1. A gang tool, comprising:

a base provided with a clamping hole;

the punching assembly is fixed in the clamping hole and is used for punching a workpiece;

a milling assembly connected to the base, the milling assembly for milling a workpiece;

and the movable tool apron is movably connected with the base, and the milling assembly is arranged on the movable tool apron.

2. The gang tool of claim 1, wherein: still include the cover lathe tool, the cover lathe tool sets up remove on the blade holder.

3. The gang tool of claim 2, wherein: the base is provided with a first locking tooth surface, the movable cutter holder is provided with a second locking tooth surface, and the movable cutter holder and the base are connected with the first locking tooth surface through the second locking tooth surface.

4. A gang tool as claimed in claim 3, wherein: the movable tool apron is provided with a guide block, the base is provided with a guide groove, and the guide block is connected with the guide groove and enables the movable tool apron to be movably connected with the base.

5. The gang tool of claim 4, wherein: the number of the movable tool holders is at least two, and each movable tool holder is arranged around the clamping hole.

6. The gang tool of claim 1, wherein: the milling assembly comprises a first milling cutter and a second milling cutter, so that the movable cutter holder comprises a first installation part and a second installation part, and the first milling cutter and the second milling cutter are respectively connected with the first installation part and the second installation part.

7. The gang tool of claim 6, wherein: the first milling cutter and the second milling cutter are octagonal blades.

8. The gang tool of claim 1, wherein: the drilling assembly comprises a drill bit, an elastic chuck and a locking shell, the drill bit is arranged in the clamping hole, the elastic chuck is sleeved on the drill bit, and the locking shell is connected with the clamping hole and limits the elastic chuck in the clamping hole.

9. The gang tool of claim 8, wherein: the elastic chuck is an ER chuck.

10. A multi-purpose machine tool comprising a gang tool as claimed in any one of claims 1 to 9, further comprising: the combined cutting tool comprises a rack and a power seat, wherein the combined cutting tool and the power seat are installed on the rack, the combined cutting tool is connected with the power seat, and the power seat can drive the combined cutting tool to machine a workpiece.

Background

In machining, a machine tool is a mechanical device for machining a workpiece, and comprises a machine tool capable of automatically centering and milling an end face, drilling a center hole and turning an outer circle.

The existing milling, beating and turning machine tool mainly adopts a mechanical fixed mounting mode, a milling cutter, a center drill and a turning tool are separately mounted, the mounting mode needs a plurality of power sources for driving, and each machining tool is respectively positioned at different positions, so that the central shaft of each machining tool is different, and the machining precision is lower.

For example, utility model patent that application number is CN201520247986.2 provides a lathe of automatic centering mill terminal surface, centering hole and cover car excircle, belongs to the lathe field, and it has solved the problem that prior art processing draw ratio and the great axle type work piece production efficiency of weight is low. The utility model comprises a lathe bed, a left sliding table, a left workbench, a right sliding table and an automatic centering fixture; the upper surface of the bed body is provided with a first guide rail from left to right; the left sliding table and the right sliding table are respectively arranged on the left side and the right side of the first guide rail; a left milling cutter seat and a right milling cutter seat are respectively arranged on the opposite surfaces of the left workbench and the right workbench; drilling seats are arranged on one sides of the left milling cutter seat and the right milling cutter seat; the clamp is arranged on the first guide rail; and the left milling cutter seat and the right milling cutter seat are both provided with milling cutter discs and turning tools for turning outer circles in a sleeving manner.

In summary, although some existing technical schemes can automatically center and mill end faces, drill a center hole and lathe a sleeve excircle for cylindrical or conical shaft parts, so as to greatly improve working efficiency, the machine tool still adopts a mode of separately mounting a milling cutter, a center drill and a lathe tool, so that the problems of low machining precision and low efficiency exist, and a large improvement space is provided.

Disclosure of Invention

The invention aims to provide a combined tool and a multipurpose machine tool aiming at the problems in the prior art.

The purpose of the invention can be realized by the following technical scheme:

a gang tool, comprising:

a base provided with a clamping hole;

the punching assembly is fixed in the clamping hole and is used for punching a workpiece;

a milling assembly connected to the base, the milling assembly for milling a workpiece;

and the movable tool apron is movably connected with the base, and the milling assembly is arranged on the movable tool apron.

Preferably, the device further comprises a turning tool sleeving tool, and the turning tool sleeving tool is arranged on the movable tool apron.

Preferably, the base is provided with a first locking tooth surface, the movable tool apron is provided with a second locking tooth surface, and the movable tool apron and the base are connected with the first locking tooth surface through the second locking tooth surface.

Preferably, the movable tool apron is provided with a guide block, the base is provided with a guide groove, and the guide block is connected with the guide groove and enables the movable tool apron to be movably connected with the base.

Preferably, the number of the movable tool apron is at least two, and each movable tool apron is arranged around the clamping hole.

Preferably, the milling assembly includes a first milling cutter and a second milling cutter, so that the movable tool holder includes a first mounting portion and a second mounting portion, and the first milling cutter and the second milling cutter are respectively connected to the first mounting portion and the second mounting portion.

Preferably, the first milling cutter and the second milling cutter are octagonal blades.

Preferably, the punching assembly comprises a drill bit, an elastic chuck and a locking shell, the drill bit is arranged in the clamping hole, the elastic chuck is sleeved on the drill bit, and the locking shell is connected with the clamping hole and limits the elastic chuck in the clamping hole.

Preferably, the elastic collet is an ER collet.

A multi-purpose machine tool comprising said gang tool, further comprising: the combined cutting tool comprises a rack and a power seat, wherein the combined cutting tool and the power seat are installed on the rack, the combined cutting tool is connected with the power seat, and the power seat can drive the combined cutting tool to machine a workpiece.

Compared with the prior art, the invention has the beneficial effects that:

1. the milling assembly and the punching assembly are separately installed at different positions of the same base, after the milling assembly is milled, the movable cutter holder drives the milling assembly to move and keep away from the clamping hole, the punching assembly can punch, and the milling assembly and the punching assembly can rotate around the clamping hole, so that the machining precision and the working efficiency are greatly improved.

2. When the milling allowance of the workpiece is large, secondary feeding cutting is needed, the milling assembly of the embodiment adopts multilayer cutting, two milling cutters can finish two times of cutting by one-time feeding, and the service life of each milling cutter is prolonged.

3. The sleeve turning tool is arranged on the movable tool apron, so that the sleeve turning tool can move along with the movable tool apron, and workpieces with different diameters can be machined.

4. The movable tool apron is connected with the first locking tooth surface through the second locking tooth surface, when the movable tool apron moves on the base due to the planar design with the locking tooth surface, the quick positioning and the adjustment can be realized, and the quantitative feeding of the movable tool apron can be realized due to the locking tooth surface with the same tooth space, so that the sleeve turning tool is more accurately machined.

5. The guide groove is arranged along the radial direction of the base and limits the guide block in the guide groove, and the guide groove can guide the movement of the guide block and prevent the guide block from falling.

Drawings

Fig. 1 is an exploded view of the gang tool of the present invention.

Fig. 2 is a schematic structural view of the combined cutting tool of the present invention.

Fig. 3 is a schematic structural diagram of the base of the present invention.

Fig. 4 is a schematic structural view of the movable tool apron of the present invention.

In the figure, 100, base; 110. a clamping hole; 120. a first locking tooth surface; 130. a guide groove; 210. a drill bit; 220. an elastic collet; 230. locking the housing; 310. a first milling cutter; 320. a second milling cutter; 400. moving the tool apron; 410. a second locking tooth surface; 420. a guide block; 500. and (5) sleeving a turning tool.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1, 2, 3, and 4, a gang tool includes: base 100, perforating assembly, milling assembly, moving tool holder 400.

A base 100 having a disk-shaped structure, wherein the base 100 is provided with a clamping hole 110, an axis of the clamping hole 110 is a central axis of the base 100, and each machining tool rotates around the central axis to perform machining;

the punching assembly is fixed in the clamping hole 110 and is used for punching a workpiece, and when the punching assembly drills a central hole, the punching assembly axially rotates around the clamping hole 110 and performs machining;

a milling assembly connected to the base 100, the milling assembly being used for milling a workpiece, the milling assembly being composed of one or more milling cutters, and being axially rotated around the clamping hole 110 and processed when the workpiece is milled;

the movable tool apron 400 is movably connected with the base 100, the milling component is arranged on the movable tool apron 400, the movable tool apron 400 can flexibly adjust the machining range of the milling component, and the milling component cannot accidentally collide and rub a workpiece when a central hole of the workpiece is drilled, so that the cutter collision and breakage are avoided, and the workpiece is scrapped.

It should be noted that, in the prior art, in order to avoid the friction between the tools, the conventional milling and turning lathe mainly adopts a mechanical fixed mounting manner, in which the milling cutter, the center drill and the turning tool are separately mounted, and this mounting manner requires a plurality of power sources for driving, and the respective machining tools are located at different positions, so that the central axes of the respective machining tools are different, and the machining precision is low.

Therefore in this embodiment, will mill the subassembly and separately install in the different positions of same base 100 with the subassembly that punches, after milling the subassembly milling process and accomplishing, remove blade holder 400 and drive and mill the subassembly and remove and keep away from centre gripping hole 110, the subassembly that punches can punch, because mill the subassembly and the subassembly that punches all can carry out rotary machining around centre gripping hole 110, consequently improved machining precision and work efficiency greatly.

In addition, it should be noted that, in the prior art, because each machining tool is located at a different position, the structure is not compact enough, and it is easy to touch and break the tool, and these machining tools need to be driven by a plurality of power sources, which increases the production cost.

As shown in fig. 1 and 4, on the basis of the above embodiment, the present invention further includes a turning tool 500, the turning tool 500 is disposed on the movable tool holder 400, and in an actual use process, a driving motor or a hydraulic cylinder may be disposed to drive the movable tool holder 400 to move, so as to ensure the feeding of the turning tool 500.

Specifically, when the driving motor or the hydraulic cylinder drives the movable tool post 400 to move toward the clamping hole 110, the turning tool 500 approaches the workpiece and starts turning, and the displacement of the movable tool post 400 corresponds to the feed of the turning tool 500; after the turning of the turning tool 500 is completed, the movable tool holder 400 drives the turning tool 500 to move and keep away from the clamping hole 110, and the punching assembly can punch holes.

The quantity of set lathe tool 500 is decided according to particular case, and the processingquality can be guaranteed to the set lathe tool 500 of two and more than two quantity to increase cutting feed rate, improve machining efficiency, also can guarantee the quality of work piece when a set lathe tool 500 appears wearing and tearing dulling or damages, reduce the secondary and do over again.

Preferably, the turning tool set in the existing machine tool generally adopts a fixed diameter, so that only workpieces within a certain diameter range can be machined, and therefore the limitation is serious, and in the present embodiment, the turning tool set 500 is installed on the movable tool holder 400, so that the turning tool set 500 can move along with the movable tool holder 400, and thus workpieces with different diameters can be machined.

As shown in fig. 1, 2 and 4, in addition to the above embodiment, the base 100 is provided with a first locking tooth surface 120, the movable tool holder 400 is provided with a second locking tooth surface 410, and the movable tool holder 400 and the base 100 are connected with the first locking tooth surface 120 through the second locking tooth surface 410.

Preferably, the movable tool holder 400 is connected to the base 100 via the second locking flank 410 and the first locking flank 120, and this planar design with flanks enables a quick positioning and adjustment of the movable tool holder 400 during its movement on the base 100.

In addition, the locking tooth surface with the same tooth pitch can also realize the quantitative feeding of the movable tool holder 400, so that the turning process of the turning tool 500 is more accurate.

As shown in fig. 1, 2, 3, and 4, in addition to the above embodiment, the movable tool holder 400 is provided with a guide block 420, the guide block 420 is connected with the movable tool holder 400 through a screw, the base 100 is provided with a guide groove 130 adapted to the shape of the guide block 420, and the guide block 420 is connected with the guide groove 130 and movably connects the movable tool holder 400 with the base 100.

Preferably, the guide block 420 is an inverted T-shaped block, the guide groove 130 is disposed along a radial direction of the base 100 and limits the guide block 420 within the guide groove 130, and the guide groove 130 can guide the movement of the guide block 420 and prevent the guide block 420 from falling.

As shown in fig. 1 and 4, in the above embodiment, the number of the movable tool holders 400 is at least two, and each of the movable tool holders 400 is disposed around the clamping hole 110.

Preferably, the number of machining tools can be increased by providing a plurality of movable tool holders 400, so that the base 100 has a plurality of milling assemblies that can be adjusted individually, and both a large-scale milling can be realized by positioning each movable tool holder 400 at a different radial position of the base 100, and a high-precision rapid milling can be realized by positioning each movable tool holder 400 at the same radial position of the base 100.

In this embodiment, the number of the movable tool holders 400 can be specifically set to be three, when the number of the movable tool holders 400 is three, the combined tool can clamp a workpiece through the three movable tool holders 400 and use the workpiece as a clamp, like a three-jaw chuck, and meanwhile, the three movable tool holders 400 provided with the turning tool 500 can also realize three-point turning, so that the turning speed and precision are greatly improved.

As shown in fig. 1 and 4, in addition to the above embodiment, since the milling unit includes the first milling cutter 310 and the second milling cutter 320, the movable holder 400 includes a first mounting portion and a second mounting portion, and the first milling cutter 310 and the second milling cutter 320 are connected to the first mounting portion and the second mounting portion, respectively.

Preferably, when the milling allowance of the workpiece is large, secondary feeding cutting is required, the milling assembly of the embodiment adopts multilayer cutting, a certain space is reserved between the first installation part and the second installation part, the first milling cutter 310 performs variable cutting according to the machining allowance, the second milling cutter 320 performs fixed cutting, two milling cutters can complete two times of cutting by one-time feeding, and the service life of each milling cutter is prolonged.

As shown in fig. 1 and 4, in the above embodiment, the first milling cutter 310 and the second milling cutter 320 are each an octagonal insert.

Preferably, the first milling cutter 310 and the second milling cutter 320 are each an octagonal blade, and cutting edges can be switched, and the octagonal blade can be replaced with a new cutting blade by rotating 45 degrees, so that the first milling cutter 310 and the second milling cutter 320 can be used for multiple times.

As shown in fig. 1 and 2, based on the above embodiment, the drilling assembly includes a drill 210, a collet 220, and a locking housing 230, the drill 210 is disposed in the clamping hole 110, the collet 220 is sleeved on the drill 210, and the locking housing 230 is connected to the clamping hole 110 and limits the collet 220 in the clamping hole 110.

Preferably, the locking housing 230 has an internal thread, the base 100 has an external thread, the locking housing 230 is threadedly coupled with the base 100, and the locking housing 230 restrains the collet 220 within the clamping hole 110, ensuring that the collet 220 clamps the drill bit 210 while preventing the collet 220 and the drill bit 210 from falling off.

As shown in fig. 1 and 2, in the above embodiment, the collet 220 is an ER collet.

Preferably, the collet 220 is an ER collet, which has a large clamping force on the drill 210 and a wide clamping range, so that the drill 210 can stably rotate and ensure high machining accuracy.

A multi-purpose machine tool comprising said gang tool, further comprising: the combined tool comprises a rack (not shown in the figure) and a power seat (not shown in the figure), wherein the combined tool and the power seat are both arranged on the rack, the combined tool is connected with the power seat, and the power seat can drive the combined tool to machine a workpiece.

Preferably, the power base drives the combined tool to rotate and machine a workpiece, three different machining rotating speeds of milling, turning and punching are achieved, the tool retreats after the turning or milling is finished, the feeding is stopped, the movable tool base 400 drives the milling assembly and the turning tool 500 to be away from the clamping hole 110 and leave the workpiece machining surface, and the rotating speed is increased to drill a hole through the punching assembly.

In terms of working principle, the combined tool and the multipurpose machine tool can realize a plurality of different functions: before machining, the function of clamping a workpiece can be realized by a plurality of movable tool holders 400, and the workpiece is clamped like a three-jaw chuck; adjusting the position of the movable tool apron 400 according to the diameter of the workpiece, and milling and turning; and (3) retracting after turning or milling, stopping feeding, moving the tool apron 400 to drive the milling assembly and the turning tool 500 to be away from the clamping hole 110 and away from the workpiece processing surface, and increasing the rotating speed to drill holes by using the punching assembly.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.