1. The coaxiality correcting mechanism for mounting the lens grinding tool comprises a tool assembly (1), wherein the tool assembly (1) comprises a relay tool (11), a tool base (12), a main shaft (13), a grinding tool (14) and a locking screw (15), the relay tool (11) is detachably fixed on the tool base (12) through the locking screw (15), the main shaft (13) is rotatably arranged on the central line of the relay tool (11), and the grinding tool (14) is mounted above the relay tool (11);

the method is characterized in that: still include adjustment mechanism (2), adjustment mechanism (2) include adjusting screw (21) and spring (22), the confession has been seted up to the bottom of relaying tool (11) tool base (12) inlay recess (111) established, the inner wall of recess (111) with be provided with the clearance between tool base (12) lateral wall, adjusting screw (21) are installed on the lateral wall of relaying tool (11) and one end with the lateral wall butt of tool base (12), spring (22) set up and are being located the opposite side of the length extension line of adjusting screw (21) is used for providing the restoring force and drives relaying tool (11) move on the horizontal plane in order to eliminate screw thread idle stroke clearance.

2. The alignment mechanism of claim 1 for alignment of a lens grinding tool, wherein: offer on the inside wall of recess (111) and supply first mounting groove (112) that spring (22) inlayed and establish, first mounting groove (112) with adjusting screw (21) are located same straight line, spring (22) are under natural state, spring (22) are kept away from the one end of first mounting groove (112) bottom is worn out first mounting groove (112) with the lateral wall butt of tool base (12).

3. The alignment mechanism of claim 1 for alignment of a lens grinding tool, wherein: the outer side wall of the jig base (12) is provided with a second mounting groove (121) for the spring (22) to be embedded, the second mounting groove (121) and the adjusting screw (21) are located on the same straight line, the spring (22) is in a natural state, one end of the bottom of the second mounting groove (121) is far away from the spring (22) and penetrates out of the second mounting groove (121) and the inner side wall of the groove (111) is abutted.

4. The alignment mechanism of claim 1 for alignment of a lens grinding tool, wherein: the number of the adjusting mechanisms (2) is two, and the length extension lines of the two adjusting screws (21) pass through the circle center of the relay jig (11) and are perpendicular to each other.

5. The alignment mechanism of claim 1 for alignment of a lens grinding tool, wherein: the relay jig (11) and the jig base (12) are made of metal materials, a permanent magnet (3) is fixedly connected to one end, far away from the grinding ball, of the main shaft (13), and the permanent magnet (3) is used for adsorbing the jig base (12) at the bottom of the groove (111).

6. The alignment mechanism of claim 1 for alignment of a lens grinding tool, wherein: one end of the locking screw (15) penetrates through the relay jig (11) and then abuts against the upper surface of the jig base (12).

7. The alignment mechanism of claim 1 for alignment of a lens grinding tool, wherein: the upper surface of the jig base (12) is provided with a limiting groove (122), one end of the locking screw (15) penetrates through the relay jig (11) and then is tightly abutted to the bottom of the limiting groove (122), and the diameter of the limiting groove (122) is larger than that of the locking screw (15).

8. The alignment mechanism of claim 1 for alignment of a lens grinding tool, wherein: the adjusting mechanism (2) is arranged on the spherical center calibration ball (4) device and used for calibration.

Background

Referring to fig. 1, for a conventional lens polishing device, the lens polishing device includes an upper swing machine a and a mounting seat B located below the upper swing machine, the upper swing machine a includes a frame a, an elastic rib a and a pressure shaft a, the pressure shaft a is movably disposed on the frame a in a penetrating manner, two ends of the elastic rib a are fixed on the frame a and are disposed on the top of the pressure shaft a, and the elastic rib a provides a pressure for pressing down the lens for the pressure shaft a by using the elastic force in the middle of the elastic rib a.

The mounting seat B comprises a fixture base B, a relay fixture B and a grinding tool, the relay fixture B is detachably fixed on the fixture base B through a plurality of bolts, the grinding tool is installed in the relay fixture B, during use, a lens workpiece is installed on the grinding tool at the bottom of a pressure shaft a, the pressure shaft a is used for pressing the lens workpiece, and a main shaft B below the fixture base B drives the fixture base B, the relay fixture B and the grinding tool to rotate, so that polishing of the lens is achieved, and polishing operation is completed.

In the prior art, since the grinding balls with the corresponding size specifications are needed for grinding the lenses with different sizes, and the grinding tool is installed on the corresponding relay jig, the grinding tool needs to be replaced at this time. However, when the grinding tool is replaced, the grinding tool must be detached from the relay jig, and when the grinding tool is installed again, the coaxiality between the relay jig and the jig base needs to be adjusted so as to ensure that the spherical center of the grinding tool is intersected with the swing shaft and the pressure shaft. The conventional method includes the steps of firstly installing the relay jig and the jig base on a globe to correct, correcting the coaxiality on line through the globe, then installing the relay jig and the jig base on a rack, and then finely adjusting the coaxiality according to experienced technicians, wherein during fine adjustment, a hammer is usually used for knocking the side surface of the relay jig to enable the side surface of the relay jig and the jig base to be coaxial. However, the method for adjusting the coaxiality is not only tedious in process and reduces the production efficiency, but also inevitably damages the mounting seat or the instruments thereon by using the hammer for knocking during fine adjustment, and causes great property loss to enterprises.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a coaxiality correcting mechanism for mounting a lens grinding tool, which can adjust the coaxiality of the grinding tool and a main shaft on a transition joint of the grinding tool through an adjusting mechanism without disassembling the grinding tool, has a simple adjusting mode, is easy to operate, improves the production efficiency, does not damage a machine, prolongs the service life of grinding equipment and has higher economic popularization value.

The above object of the present invention is achieved by the following technical solutions:

a coaxiality correcting mechanism for mounting a lens grinding tool comprises a tool assembly, wherein the tool assembly comprises a relay tool, a tool base, a main shaft, a grinding tool and a locking screw, the relay tool is detachably fixed on the tool base through the locking screw, the main shaft is rotatably arranged on the central line of the relay tool, and the grinding tool is mounted above the relay tool;

still include adjustment mechanism, adjustment mechanism includes adjusting screw and spring, the confession has been seted up to relay tool's bottom the recess that the tool base inlayed and establish, the inner wall of recess with be provided with the clearance between the tool base lateral wall, adjusting screw installs on relay tool's lateral wall and one end with the lateral wall butt of tool base, the spring setting is lieing in adjusting screw's length extension line's opposite side is used for providing the restoring force and drives relay tool removes in order to eliminate screw thread idle stroke clearance on the horizontal plane.

The present invention in a preferred example may be further configured to: offer on the inside wall of recess and supply the spring inlays the first mounting groove of establishing, first mounting groove with adjusting screw is located same straight line, the spring is under natural state, the spring is kept away from the one end of first mounting groove bottom is worn out first mounting groove with the lateral wall butt of tool base.

The present invention in a preferred example may be further configured to: the lateral wall of tool base has been seted up the confession the spring inlays the second mounting groove of establishing, the second mounting groove with adjusting screw is located same straight line, the spring is under natural state, the spring is kept away from the one end of second mounting groove bottom is worn out the second mounting groove with the inside wall butt of recess.

The present invention in a preferred example may be further configured to: the number of the adjusting mechanisms is two, and the length extension lines of the two adjusting screws pass through the circle center of the relay jig and are perpendicular to each other.

The present invention in a preferred example may be further configured to: the relay jig and the jig base are made of metal materials, a permanent magnet is fixedly connected to one end, far away from the grinding ball, of the main shaft, and the permanent magnet is used for adsorbing the jig base at the bottom of the groove.

The present invention in a preferred example may be further configured to: one end of the locking screw penetrates through the relay jig and then abuts against the upper surface of the jig base.

The present invention in a preferred example may be further configured to: the upper surface of the jig base is provided with a limiting groove, one end of the locking screw penetrates through the relay jig and then is tightly abutted to the bottom of the limiting groove, and the diameter of the limiting groove is larger than that of the locking screw.

The present invention in a preferred example may be further configured to: the adjusting mechanism is arranged on the sphere center calibration sphere device and used for calibration.

In summary, the invention includes at least one of the following beneficial technical effects:

1. when the coaxiality between the relay jig and the jig base is adjusted, the relay jig moves towards the direction of the spring in the horizontal direction by screwing the adjusting screw, and the spring is arranged on the other side of the adjusting screw and used for providing restoring force and driving the relay jig to move towards the direction of the adjusting screw in the horizontal plane, so that the adjustment of the coaxiality between the relay jig and the jig base is realized.

2. The coaxiality of the grinding tool and the main shaft can be adjusted on the transition joint of the grinding tool through the adjusting mechanism without disassembling the transition joint, the adjusting mode is simple, the operation is easy, the production efficiency is improved, the machine cannot be damaged, the service life of the grinding equipment is prolonged, and the grinding tool has high economic popularization value.

3. It can adjust the axiality of grinding apparatus and main shaft on grinding apparatus transition joint through adjustment mechanism, changes and leans on to strike relay tool and adjust the axiality usually, and the regulation mode is simple reliable, and the precision is higher, and the definite size percentage (thousandth) table of installation on the cooperation board also can be very convenient direct adjustment grinding die and the axiality of board main shaft on the board, assurance machine adjusting precision that can be better.

Drawings

Fig. 1 is a schematic structural diagram in the background art of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a cross-sectional view of a display jig assembly according to an embodiment.

Fig. 4 is a cross-sectional view of a second display jig assembly of the present embodiment.

Fig. 5 is a schematic structural diagram of a display jig assembly according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a second display jig assembly according to the present embodiment.

Fig. 7 is a schematic view showing the structure of the adjusting mechanism mounted on the center of sphere calibration ball device according to the present invention.

Reference numerals: 1. a jig component; 11. a relay jig; 111. a groove; 112. a first mounting groove; 12. a jig base; 121. a second mounting groove; 122. a limiting groove; 13. a main shaft; 14. an abrasive article; 15. locking the screw; 2. an adjustment mechanism; 21. an adjusting screw; 22. a spring; 3. a permanent magnet; 4. the center of the sphere is used for calibrating the sphere.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 2, the coaxiality correction mechanism for mounting a lens grinding tool disclosed by the invention comprises a tool assembly 1, wherein the tool assembly 1 comprises a relay tool 11, a tool base 12, a main shaft 13, a grinding tool 14 and a locking screw 15, the relay tool 11 is detachably fixed on the tool base 12 through the locking screw 15, the main shaft 13 is rotatably arranged on the central line of the relay tool 11, and the grinding tool 14 is mounted above the relay tool 11.

Referring to fig. 3, the present invention further includes an adjusting mechanism 2, the adjusting mechanism 2 includes an adjusting screw 21 and a spring 22, a groove 111 for the fixture base 12 to be embedded is formed at the bottom of the relay fixture 11, a gap is formed between an inner wall of the groove 111 and an outer side wall of the fixture base 12, the adjusting screw 21 is installed on the outer side wall of the relay fixture 11, one end of the adjusting screw abuts against the outer side wall of the fixture base 12, and the spring 22 is arranged on the other side of the length extension line of the adjusting screw 21 and is used for providing a restoring force and driving the relay fixture 11 to move on a horizontal plane so as to eliminate a thread backlash gap. The coaxiality of the grinding tool 14 and the main shaft 13 can be adjusted on the transition joint of the grinding tool through the adjusting mechanism 2 without disassembling the transition joint, the adjusting mode is simple and easy to operate, the production efficiency is improved, the machine cannot be damaged, the service life of the grinding equipment is prolonged, and the grinding tool has high economic popularization value.

Wherein, offer on the inside wall of recess 111 and supply spring 22 to inlay the first mounting groove 112 of establishing, first mounting groove 112 is located same straight line with adjusting screw 21, and spring 22 is under natural state, and first mounting groove 112 and the lateral wall butt of tool base 12 are worn out to the one end that first mounting groove 112 bottom was kept away from to spring 22.

Referring to fig. 5 and 6, the number of the adjusting mechanisms 2 is two, and the length extension lines of the two adjusting screws 21 pass through the center of the relay jig 11 and are perpendicular to each other. When adjusting the axiality, no matter relay tool 11 is eccentric to any position on the horizontal direction, through adjusting two adjusting screws 21 that pass through the centre of a circle and mutually perpendicular on the straight line, all can make relay tool 11 move to the position coaxial with tool base 12, improved the efficiency that the axiality was adjusted.

Referring to fig. 3 and 4, the relay jig 11 and the jig base 12 are made of a metal material, a permanent magnet 3 is fixedly connected to one end of the rotating shaft away from the grinding ball, and the permanent magnet 3 is used for adsorbing the jig base 12 to the bottom of the groove 111. Permanent magnet 3 can adsorb relay tool 11's part on tool base 12, makes relay tool 11 be difficult for droing from tool base 12 when adjusting the axiality on the one hand, guarantees relay tool 11 and tool base 12 laminating, and on the other hand has improved relay tool 11 and has done the stability that the horizontal direction moved on tool base 12.

One end of the locking screw 15 is screwed through the relay fixture 11 and then tightly pressed against the upper surface of the fixture base 12. When the coaxiality between the relay jig 11 and the jig base 12 is adjusted, the locking screw 15 is screwed to enable one end of the locking screw to be tightly abutted to the upper surface of the jig base 12, so that the relay jig 11 is fixed on the jig base 12 under the action of the pressure of the locking screw 15, and the working stability of the grinding tool 14 is improved.

Example two:

referring to fig. 4, a second mounting groove 121 for embedding a spring 22 is formed in an outer side wall of a jig base 12, the second mounting groove 121 and an adjusting screw 21 are located on the same straight line, and the spring 22 is in a natural state, and one end of the spring 22, which is far away from the bottom of the second mounting groove 121, penetrates out of the second mounting groove 121 and abuts against an inner side wall of a groove 111.

In the case of the two mounting positions of the spring 22, one end of the spring 22 penetrates through the first mounting groove 112 or the second mounting groove 121, and the penetrating length of the spring 22 is deformed to have an elastic force greater than the friction force between the relay jig 11 and the jig base 12, so that the restoring force of the spring 22 is sufficient to overcome the friction force between the relay jig 11 and the jig base 12 to drive the relay jig 11 to move in the horizontal direction.

In addition, the second difference between the correction mechanism for mounting the lens grinding tool 14 and the first embodiment is that the upper surface of the tool base 12 is provided with a limit groove 122, one end thread of the locking screw 15 penetrates through the relay tool 11 and then abuts against the bottom of the limit groove 122, and the diameter of the limit groove 122 is larger than that of the locking screw 15. The arrangement of the limiting groove 122 enables the relay fixture 11 to adjust the position on the fixture base 12 only within a certain range, so that the coaxiality between the relay fixture 11 and the fixture base 12 can be adjusted more accurately.

Referring to fig. 7, the invention discloses a coaxiality correction mechanism for mounting a lens grinding tool 14, wherein an adjusting mechanism 2 can also be mounted on a spherical center calibration ball 4 device for calibration, and the application universality of the device is improved.

The implementation principle of the embodiment is as follows: when the coaxiality of the grinding tool 14 and the spindle 13 is adjusted on the grinding tool transition joint, the relay tool 11 is moved towards the direction of the spring 22 in the horizontal direction by screwing the adjusting screw 21, and the spring 22 is arranged on the other side of the adjusting screw 21 and is used for providing restoring force and driving the relay tool 11 to move towards the direction of the adjusting screw 21 in the horizontal plane, so that the coaxiality of the grinding tool 14 and the spindle 13 is adjusted.

It can adjust the axiality of grinding die and board main shaft 13 on grinding apparatus 14 mount pad through adjustment mechanism 2, changes and usually adjusts the axiality by knocking relay tool 11, and the regulative mode is simple reliable, and the precision is higher, and the fixed size percentage (thousandth) table of installation on the cooperation board also can be very convenient direct adjustment grinding die and the axiality of board main shaft 13 on the board, assurance machine adjusting precision that can be better.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.