1. The utility model provides an adjustable guide rail of digit control machine tool, includes workstation (1), its characterized in that: the utility model discloses a worktable for the automobile engine, including workstation (1), slide (2) are provided with to bilateral symmetry around, and set up spout (3) that workstation (1) top surface flushes in slide (2), the left and right sides symmetry at workstation (1) top sets up regulating plate (4), and both ends extend respectively in spout (3) of both sides around and with spout (3) sliding connection around regulating plate (4), spout (3) internal rotation is connected with lead screw (5), and lead screw (5) run through two regulating plate (4) and with regulating plate (4) threaded connection, lead screw (5) are connected with actuating mechanism (6), and actuating mechanism (6) drive two regulating plate (4) along lead screw (5) synchronous phase-to-phase or synchronous back of the body motion, the top fixedly connected with guide rail (7) of regulating plate (4), and sliding connection has slider (8) on guide rail (7), percentage table (10), two are installed through magnetism table frame (9) in the top of slider (8) be provided with between guide rail (7) as the marble flat ruler (11) that detect the benchmark, be provided with a plurality of adjustment mechanism (12) of following guide rail (7) length direction and distributing on workstation (1), and adjustment mechanism (12) run through the lower extreme of regulating plate (4).

2. The adjustable guide rail of the numerical control machine tool according to claim 1, characterized in that: the screw thread opposite direction of two parts about lead screw (5), and two regulating plate (4) symmetries set up the left and right sides in lead screw (5), the centre of lead screw (5) sets up to the polished rod, and overlaps on the polished rod to be equipped with stopper (13), stopper (13) and spout (3) fixed connection, stopper (13) and polished rod sliding connection.

3. The adjustable guide rail of the numerical control machine tool according to claim 1, characterized in that: actuating mechanism (6) are including motor (14), driving pulley (15), driven pulley (16) and belt (17), one the lateral wall that one slide (2) was passed to the one end of lead screw (5) is fixed the cover and is equipped with driving pulley (15), another the same lateral wall that another slide (2) was passed to the one end of lead screw (5) is fixed the cover and is equipped with driven pulley (16), and is connected through belt (17) transmission between driving pulley (15) and driven pulley (16), one the one end of lead screw (5) is passed driving pulley (15) and is connected with the output of motor (14).

4. The adjustable guide rail of the numerical control machine tool according to claim 1, characterized in that: arc-shaped grooves (18) are symmetrically formed in the left side and the right side of the guide rail (7), arc-shaped protrusions (19) matched with the arc-shaped grooves (18) are symmetrically arranged on the two sides of the sliding block (8), and the arc-shaped protrusions (19) are inserted into the arc-shaped grooves (18) and are in sliding connection with the arc-shaped grooves (18).

5. The adjustable guide rail of the numerical control machine tool according to claim 1, characterized in that: the guide rail (7) is provided with a plurality of counter bores (20), the counter bores (20) are evenly distributed along the length direction of the guide rail (7), and the guide rail (7) is fixedly installed on the adjusting plate (4) through the matching of the counter bores (20) and the first bolts (21).

6. The adjustable guide rail of the numerical control machine tool as claimed in claim 1, wherein: support tables (22) are symmetrically arranged at the front end and the rear end of the bottom of the marble flat ruler (11), one surface of the marble flat ruler (11) opposite to the guide rail (7) is set as a detection surface, and the two detection surfaces of the marble flat ruler (11) are arranged in parallel.

7. The adjustable guide rail of the numerical control machine tool according to claim 1, characterized in that: adjustment mechanism (12) are including screw rod (23) that run through regulating plate (4), screw rod (23) and regulating plate (4) sliding connection, and the cover is equipped with first adjustable ring (24) with screw rod (23) threaded connection on screw rod (23) of regulating plate (4) the left and right sides, the both ends symmetry of screw rod (23) is provided with L type support (25), and the both ends of screw rod (23) pass the vertical face of L type support (25) and the cover is equipped with second adjustable ring (26) with screw rod (23) threaded connection, the horizontal plane of L type support (25) is fixed mutually with workstation (1) through second bolt (27).

8. The adjustable guide rail of the numerical control machine tool according to claim 7, wherein: and a compression spring (28) is sleeved on the screw rod (23) between the first adjusting ring (24) and the vertical surface of the L-shaped bracket (25).

9. An adjustable guide rail assembling method of a numerical control machine tool according to claim 1, wherein: the method comprises the following steps:

s1, adjusting the distance: the guide rail (7) is provided with a sliding block (8) in a sliding way, the guide rail (7) is fixed on the adjusting plate (4), and the driving mechanism (6) drives the screw rod (5) to rotate, so that the two adjusting plates (4) synchronously move towards each other or oppositely along the screw rod (5), and the two guide rails (7) keep a proper distance and are basically parallel;

s2, preparation before adjustment: the front end and the rear end of one side surface of the guide rail (7) close to the marble flat ruler (11) are used as base points, and the positions of the two ends of the marble flat ruler (11) are calibrated through a dial indicator (10), so that the detection surface of one side of the marble flat ruler (11) is basically parallel to the side surface of the guide rail (7);

s3, detection: the top of one sliding block (8) is provided with a dial indicator (10) through a magnetic indicator frame (9), so that the measuring end of the dial indicator (10) is in contact with and pressed tightly against the detection surface on one side of a marble flat ruler (11), and then the sliding block (8) is moved by taking the marble flat ruler (11) as a reference, so that the straightness errors of the guide rail (7) on each point position are reflected through the numerical difference on the dial indicator (10);

s4, adjusting: according to the numerical value displayed by the dial indicator (10) on each point of the guide rail (7), the position of the adjusting plate (4) is adjusted through the adjusting mechanism (12), then each point of the guide rail (7) is calibrated, the adjusting mechanism (12) is fixed with the workbench (1) after calibration, and when each point of the sliding block (8) on the guide rail (7) is positioned, a pointer on the dial indicator (10) is always aligned to the same scale.

10. The adjustable guide rail assembling method of the numerical control machine tool as claimed in claim 9, wherein: after the calibration of one guide rail (7) is finished, the steps S1-S4 are repeated to calibrate the other guide rail (7) by taking the other detection surface of the marble flat ruler (11) as a reference.

Background

The parts that support and guide the movement of the moving member along a certain trajectory are called guide rail pairs, also often simply called guide rails. Guide rails are an important part in machines, especially in numerically controlled machines.

The feeding system of digit control machine tool installs and carries out gliding on linear guide rail, but the guide rail that current digit control machine tool used often all can't adjusting position, can not adjust according to the concrete model of moving part, and the restriction is stronger, and if the guide rail is not parallel to each other when the installation, then can lead to feeding system to slide and hinder and wearing and tearing guide rail, causes the influence to machining precision. Therefore, an adjustable guide rail of the numerical control machine tool and an assembling method thereof are provided.

Disclosure of Invention

Technical problem to be solved

The invention provides an adjustable guide rail of a numerical control machine tool and an assembly method thereof, aiming at the defects that the guide rail in the prior art cannot adjust the position, has strong limitation and can influence the processing precision if the guide rails are not parallel to each other during installation.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

an adjustable guide rail of a numerical control machine tool comprises a workbench, wherein slide ways are symmetrically arranged on the front side and the rear side of the workbench, slide grooves with flush top surfaces of the workbench are formed in the slide ways, adjusting plates are symmetrically arranged on the left side and the right side of the top of the workbench, the front end and the rear end of each adjusting plate respectively extend into the slide grooves on the front side and the rear side and are in sliding connection with the slide grooves, lead screws are rotatably connected in the slide grooves, penetrate through the two adjusting plates and are in threaded connection with the adjusting plates, the lead screws are connected with a driving mechanism, the driving mechanism drives the two adjusting plates to synchronously move oppositely or synchronously and oppositely along the lead screws, the top of each adjusting plate is fixedly connected with a guide rail, a slide block is connected on the guide rail in a sliding manner, a dial indicator is mounted on the top of the slide block through a magnetic gauge frame, a marble flat ruler serving as a detection reference is arranged between the two guide rails, and a plurality of adjusting mechanisms distributed along the length direction of the guide rails are arranged on the workbench, and the adjusting mechanism penetrates through the lower end of the adjusting plate.

The preferred technical scheme, the screw thread opposite direction of two parts about the lead screw, and two regulating plate symmetries set up the left and right sides at the lead screw, the centre of lead screw sets up to the polished rod, and the cover is equipped with the stopper on the polished rod, stopper and spout fixed connection, stopper and polished rod sliding connection.

The preferred technical scheme, actuating mechanism includes motor, driving pulley, driven pulleys and belt, one the lateral wall and the fixed cover that pass a slide of one end of lead screw are equipped with driving pulley, another the same lateral wall and the fixed cover that pass another slide of one end of lead screw are equipped with driven pulleys, and are connected through belt transmission between driving pulley and the driven pulleys, one the one end of lead screw is passed driving pulley and is connected with the output of motor.

According to the preferable technical scheme, arc-shaped grooves are symmetrically formed in the left side and the right side of the guide rail, arc-shaped protrusions matched with the arc-shaped grooves are symmetrically arranged on the two sides of the sliding block, and the arc-shaped protrusions are inserted into the arc-shaped grooves and are in sliding connection with the arc-shaped grooves.

According to the preferable technical scheme, the guide rail is provided with a plurality of counter bores, the counter bores are evenly distributed along the length direction of the guide rail, and the guide rail is fixedly installed on the adjusting plate through the matching of the counter bores and the first bolts.

According to the technical scheme, supporting tables are symmetrically arranged at the front end and the rear end of the bottom of the marble flat ruler, the surface, opposite to the guide rail, of the marble flat ruler is set to be a detection surface, and the two detection surfaces of the marble flat ruler are arranged in parallel.

The technical scheme who prefers, adjustment mechanism is including the screw rod that runs through the regulating plate, screw rod and regulating plate sliding connection, and the cover is equipped with the first adjustable ring with screw rod threaded connection on the screw rod of regulating plate left and right sides, the both ends symmetry of screw rod is provided with L type support, and the both ends of screw rod pass the vertical face of L type support and the cover be equipped with screw rod threaded connection's second adjustable ring, the horizontal plane of L type support is fixed mutually with the workstation through the second bolt.

According to the preferable technical scheme, a compression spring is sleeved on a screw rod between the first adjusting ring and the vertical surface of the L-shaped support.

An adjustable guide rail assembling method of a numerical control machine tool comprises the following steps:

s1, adjusting the distance: the guide rails are provided with sliding blocks in a sliding mode, the guide rails are fixed on the adjusting plates, the screw rods are driven to rotate through the driving mechanism, the two adjusting plates move synchronously in the opposite direction or synchronously in the opposite direction along the screw rods, and the two guide rails keep a proper distance and are basically parallel;

s2, preparation before adjustment: the front end and the rear end of one side surface of the guide rail, which is close to the marble flat ruler, are used as base points, and the positions of the two ends of the marble flat ruler are calibrated through a dial indicator, so that the detection surface on one side of the marble flat ruler is basically parallel to the side surface of the guide rail;

s3, detection: the top of one sliding block is provided with a dial indicator through a magnetic indicator frame, so that a measuring end of the dial indicator is in contact with and pressed against a detection surface on one side of the marble flat ruler, and then the sliding block is moved by taking the marble flat ruler as a reference, so that the straightness error of the guide rail on each point position is reflected through a numerical difference on the dial indicator;

s4, adjusting: according to the numerical value displayed by the dial indicator on each point position of the guide rail, the position of the adjusting plate is adjusted through the adjusting mechanism, the positions of each point of the guide rail are calibrated, the adjusting mechanism and the workbench are fixed after calibration, and when the sliding block is positioned at each point position on the guide rail, the pointer on the dial indicator is always aligned to the same scale.

Preferably, the calibration of one guide rail is completed, and the calibration of the other guide rail is repeated by using the other detection surface of the marble flat ruler as a reference in the steps S1 to S4.

(III) advantageous effects

The embodiment of the invention provides an adjustable guide rail of a numerical control machine tool and an assembling method thereof. The method has the following beneficial effects:

1. according to the invention, the guide rails are fixed on the adjusting plates, and the arrangement of the motor, the driving belt wheel, the driven belt wheel and the belt drives the screw rods in the front slideway and the rear slideway to synchronously rotate, so that the two adjusting plates synchronously move towards each other or away from each other along the screw rods, the two guide rails keep a proper distance and basically keep parallel, and thus the guide rail structure is suitable for moving parts of different models, and the applicability of the guide rails is improved.

2. The measuring end of the dial indicator is in contact with and pressed tightly against the detection surface on one side of the marble flat ruler, and then the slide block is moved by taking the marble flat ruler as a reference, so that the straightness error of the guide rail on each point position is reflected by the numerical difference on the dial indicator, and the installation parallelism of the two guide rails is also improved.

3. According to the invention, the positions of each point of the guide rails are calibrated through the arrangement of the adjusting mechanism, the positions of each point of the adjusting plate are finely adjusted by rotating the first adjusting ring, after the adjustment is completed, the first adjusting ring is locked with the adjusting plate, the second adjusting ring is rotated to tightly press the compression spring, so that the second adjusting ring is locked with the vertical surface of the L-shaped bracket, then the horizontal surfaces of the L-shaped brackets at two sides are fixed with the workbench through the second bolt, the positions of each point of the guide rails are calibrated, the two guide rails are ensured to be parallel to each other, the feeding system is enabled to slide more smoothly, the guide rails are prevented from being abraded, and the processing precision of the numerical control machine tool is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the adjustment mechanism of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged schematic view of the adjustment mechanism of FIG. 2 according to the present invention;

fig. 5 is a schematic front view of the slide of the present invention.

In the figure: 1 workstation, 2 slides, 3 spouts, 4 regulating plates, 5 lead screws, 6 actuating mechanism, 7 guide rails, 8 sliders, 9 magnetic meter racks, 10 percentage table, 11 marble flat rule, 12 regulating mechanism, 13 stopper, 14 motor, 15 driving pulley, 16 driven pulley, 17 belt, 18 arc-shaped groove, 19 arc-shaped protrusion, 20 counter bore, 21 first bolt, 22 brace table, 23 screw rod, 24 first adjusting ring, 25L type support, 26 second adjusting ring, 27 second bolt, 28 hold-down spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to the attached figures 1-5, an adjustable guide rail of a numerical control machine tool comprises a workbench 1, slide ways 2 are symmetrically arranged on the front side and the rear side of the workbench 1, slide ways 3 flush with the top surface of the workbench 1 are arranged in the slide ways 2, adjusting plates 4 are symmetrically arranged on the left side and the right side of the top of the workbench 1, the front end and the rear end of each adjusting plate 4 respectively extend into the slide ways 3 on the front side and the rear side and are in sliding connection with the slide ways 3, a lead screw 5 is rotatably connected in the slide ways 3, the lead screw 5 penetrates through the two adjusting plates 4 and is in threaded connection with the adjusting plates 4, the lead screw 5 is connected with a driving mechanism 6, the driving mechanism 6 drives the two adjusting plates 4 to synchronously move oppositely or synchronously and oppositely along the lead screw 5, a guide rail 7 is fixedly connected to the top of each adjusting plate 4, a slide block 8 is slidably connected to the guide rail 7, and a dial indicator 10 is installed on the top of the slide block 8 through a magnetic indicator frame 9, two be provided with the marble flat ruler 11 as the detection benchmark between the guide rail 7, be provided with a plurality of adjustment mechanism 12 that distribute along guide rail 7 length direction on the workstation 1, and adjustment mechanism 12 runs through the lower extreme of regulating plate 4. Lead screw 5 in two slides 2 rotates in step around driving mechanism 6 drive, make two regulating plates 4 along lead screw 5 synchronous phase or synchronous back of the body motion in opposite directions, make two guide rails 7 keep suitable interval and keep parallel basically, with the moving part that adapts to different models, improve guide rail 7's suitability, set up through slider 8, magnetism table frame 9, percentage table 10 and marble flat rule 11 and detect guide rail 7 each point position, and set up through adjustment mechanism 12 and calibrate guide rail 7 each point position.

In order to facilitate the interval between adjusting two regulating plates 4, the screw thread opposite direction of two parts about lead screw 5, and two regulating plates 4 symmetry set up the left and right sides at lead screw 5, the centre of lead screw 5 sets up to the polished rod, and overlaps on the polished rod to be equipped with stopper 13, stopper 13 and 3 fixed connection of spout, stopper 13 and polished rod sliding connection. The two adjusting plates 4 are blocked and limited by the limiting blocks 13, so that collision is prevented, the thread directions of the left part and the right part of the lead screw 5 are opposite, the two adjusting plates 4 can synchronously move in the opposite directions or in the opposite directions when the lead screw 5 rotates forwards or reversely, and the two guide rails 7 are kept at proper intervals and basically keep parallel.

In order to enable the two lead screws 5 to synchronously rotate, the driving mechanism 6 comprises a motor 14, a driving pulley 15, a driven pulley 16 and a belt 17, one end of one lead screw 5 penetrates through the side wall of one slideway 2 and is fixedly sleeved with the driving pulley 15, one end of the other lead screw 5 penetrates through the same side wall of the other slideway 2 and is fixedly sleeved with the driven pulley 16, the driving pulley 15 is in transmission connection with the driven pulley 16 through the belt 17, and one end of one lead screw 5 penetrates through the driving pulley 15 and is connected with the output end of the motor 14. The motor 14 drives one lead screw 5 and the driving belt wheel 15 to rotate, and the belt 17 drives the driven belt wheel 16 and the other lead screw 5 to synchronously rotate.

In order to enable the sliding block 8 to slide more stably, arc-shaped grooves 18 are symmetrically formed in the left side and the right side of the guide rail 7, arc-shaped protrusions 19 matched with the arc-shaped grooves 18 are symmetrically arranged on the two sides of the sliding block 8, and the arc-shaped protrusions 19 are inserted into the arc-shaped grooves 18 and are in sliding connection with the arc-shaped grooves 18. Through the cooperation of arc recess 18 and arc arch 19 for difficult emergence skew when slider 8 slides along guide rail 7, the operation is more stable.

In order to facilitate the installation of the guide rail 7, a plurality of counter bores 20 are arranged on the guide rail 7, the counter bores 20 are uniformly distributed along the length direction of the guide rail 7, and the guide rail 7 is fixedly installed on the adjusting plate 4 through the matching of the counter bores 20 and the first bolts 21.

In order to facilitate the installation of the marble flat ruler 11, the supporting tables 22 are symmetrically arranged at the front end and the rear end of the bottom of the marble flat ruler 11, the surface, opposite to the guide rail 7, of the marble flat ruler 11 is set as a detection surface, and the two detection surfaces of the marble flat ruler 11 are arranged in parallel.

In order to facilitate the calibration to guide rail 7 each point position, adjustment mechanism 12 is including the screw rod 23 that runs through regulating plate 4, screw rod 23 and regulating plate 4 sliding connection, and the cover is equipped with the first adjustable ring 24 with screw rod 23 threaded connection on the screw rod 23 of the regulating plate 4 left and right sides, the both ends symmetry of screw rod 23 is provided with L type support 25, and the both ends of screw rod 23 pass the vertical face of L type support 25 and the cover is equipped with the second adjustable ring 26 with screw rod 23 threaded connection, the horizontal plane of L type support 25 is fixed mutually with workstation 1 through second bolt 27. The positions of all points of the adjusting plate 4 are finely adjusted by rotating the first adjusting ring 24, and after the adjustment is completed, the first adjusting ring 24 is locked with the adjusting plate 4.

In order to prevent the fixed plate from deviating, a compression spring 28 is sleeved on the screw 23 between the first adjusting ring 24 and the vertical straight surface of the L-shaped bracket 25. The second adjusting ring 26 is locked with the vertical surface of the L-shaped bracket 25 by rotating the second adjusting ring 26 to compress the compression spring 28, so that the stability of the adjusting plate 4 is improved.

Example 2

Referring to the attached figures 1-5, the adjustable guide rail assembling method of the numerical control machine tool comprises the following steps:

s1, adjusting the distance: a sliding block 8 is arranged on the guide rail 7 in a sliding manner, the guide rail 7 is fixed on the adjusting plate 4, and the driving mechanism 6 drives the screw 5 to rotate, so that the two adjusting plates 4 synchronously move towards or away from each other along the screw 5, and the two guide rails 7 keep a proper distance and are basically parallel;

s2, preparation before adjustment: the front end and the rear end of one side surface of the guide rail 7, which is close to the marble flat ruler 11, are used as base points, and the positions of the two ends of the marble flat ruler 11 are calibrated through the dial indicator 10, so that the detection surface on one side of the marble flat ruler 11 is basically parallel to the side surface of the guide rail 7;

s3, detection: the top of one sliding block 8 is provided with a dial indicator 10 through a magnetic indicator frame 9, so that the measuring end of the dial indicator 10 is in contact with and pressed tightly against the detection surface on one side of the marble flat ruler 11, and then the sliding block 8 is moved by taking the marble flat ruler 11 as a reference, so that the straightness error of the guide rail 7 on each point position is reflected through the numerical difference on the dial indicator 10;

s4, adjusting: according to the numerical value that percentage table 10 shows on 7 each point position of guide rail, realize the position control of regulating plate 4 through adjustment mechanism 12, and then calibrate 7 each point position of guide rail to fix adjustment mechanism 12 and workstation 1 after the calibration, make slider 8 when each point position on guide rail 7, the pointer is aimed at same scale all the time on percentage table 10.

After the calibration of one guide rail 7 is finished, the steps S1 to S4 are repeated to calibrate the other guide rail 7 with the other detection surface of the marble flat ruler 11 as a reference. Thereby guarantee the mutual parallelism between two guide rails 7, make feed system slide more smoothly, avoid guide rail 7 to receive wearing and tearing, improve the machining precision of digit control machine tool.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.