CN213497761U

CN213497761U - Clamping jig for CNC (computer numerical control) part machining

Info

Publication number: CN213497761U
Application number: CN202021886055.4U
Authority: CN
Inventors: 郑穆森; 武希雷; 宋春
Original assignee: Changshu Minglijia Metal Products Co ltd
Current assignee: Changshu Minglijia Metal Products Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-06-22
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses a be used for CNC parts machining with pressing from both sides tight tool, the on-line screen storage device comprises a base, the top fixed mounting of base one side has fixed pincers, the top slidable mounting of base opposite side has moving mechanism, moving mechanism includes the backup pad, backup pad slidable mounting keeps away from the top of fixed pincers at the base, the top fixed mounting of backup pad has the removal shell, the inside of removing the shell is provided with telescopic machanism, telescopic machanism includes the screwed pipe, screwed pipe fixed mounting is at the inner wall of removing the shell intracavity, the inner wall threaded connection of screwed pipe has first screw rod, the outer wall in the middle of the screwed pipe rotates installs the worm wheel, first screw rod runs through the center of worm wheel. The utility model discloses a set up telescopic machanism and removal pincers, implement a pretightning force earlier when to irregular blank material centre gripping, carry out preliminary location centre gripping to the blank material, then further fixed centre gripping after adjusting well again.

Description

Clamping jig for CNC (computer numerical control) part machining

Technical Field

The utility model relates to a CNC parts machining technical field specifically is a be used for CNC parts machining with pressing from both sides tight tool.

Background

General CNC machining generally refers to computer numerical control precision machining, a CNC machining lathe, a CNC machining milling machine, a CNC machining boring and milling machine and the like, and a blank material is clamped by a clamp and then is machined into a finished product or a semi-finished product part by cutting with a tool.

In the prior art, when an irregular blank material is clamped, the position needing clamping is not well controlled, so that the clamping accuracy is not high, and the clamping jig for CNC (computer numerical control) part machining is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for CNC parts machining with pressing from both sides tight tool, possess the advantage that can be to the better centre gripping of irregular blank material, solved the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be used for CNC parts machining with pressing from both sides tight tool, includes the base, the top fixed mounting of base one side has fixed pincers, the top slidable mounting of base opposite side has moving mechanism.

The moving mechanism comprises a supporting plate, the supporting plate is slidably mounted at the top of the base far away from the fixing clamp, a moving shell is fixedly mounted at the top of the supporting plate, and a telescopic mechanism is arranged inside the moving shell.

The telescopic mechanism comprises a threaded pipe, the threaded pipe is fixedly installed on the inner wall in the cavity of the movable shell, a first screw is connected to the inner wall of the threaded pipe in a threaded mode, a worm wheel is installed on the outer wall in the middle of the threaded pipe in a rotating mode, the first screw penetrates through the center of the worm wheel and is in threaded connection with the penetrating position of the worm wheel, a movable clamp is movably installed at one end, penetrating out of the outer wall on the left side of the movable shell, two first bearing seats are fixedly installed at the position, close to the bottom in the worm wheel cavity, of the movable shell, the first bearing seats are two first shaft centers, the axes of the first bearing seats rotate together to install a worm, the worm and the worm wheel are meshed with each other, a speed reduction motor is fixedly installed at the position.

Preferably, a sliding mechanism and a guiding mechanism are arranged between the supporting plate and the base.

Preferably, the sliding mechanism comprises two second bearing seats, the two second bearing seats are fixedly installed at the top of the base below the supporting plate, second screw rods are installed on the axes of the two second bearing seats in a rotating mode, the second screw rods penetrate through the supporting plate and are in threaded connection with the penetrating positions of the supporting plate, and a handle is fixedly installed at one end, penetrating out of one of the second bearing seats, of each second screw rod.

Preferably, the guide mechanism comprises two fixed seats, the two fixed seats are fixedly installed at the top of the base, which is close to the second bearing seat, guide rods are fixedly installed at the axes of the two fixed seats, and the guide rods penetrate through the support plate and are in sliding connection with the penetrating positions of the support plate.

Preferably, the outer wall fixed mounting that the removal shell is close to first screw rod has the telescopic link, the other end fixed mounting of telescopic link has the elasticity piece, the surface cover of telescopic link is equipped with the spring, the both ends difference fixed mounting of spring is at the outer wall of elasticity piece and removal shell opposite face.

Preferably, the outer wall of the opposite surface of the fixed pincers and the movable pincers is provided with an anti-slip edge.

Compared with the prior art, the beneficial effects of the utility model are as follows:

firstly, the utility model discloses a set up the handle, rotate the handle, the handle can drive the second screw rod and rotate along the axle center of second bearing frame, because the restriction of guide bar to the backup pad, so the backup pad can move left along with the rotation of second screw rod, the backup pad also can drive the removal shell and move left, when the elastic block moves certain distance along with the removal shell, put the blank material that has prepared between stationary tong and elastic block, because the length ratio of telescopic rod begins the screw rod to stretch out the length of removal shell, so when the removal shell moves, the elastic block will touch the blank material earlier, then along with the removal of removal shell, the elastic block can drive the telescopic link shrink, the spring is compressed simultaneously, at this moment, the elasticity of spring can give a precompression for the blank material, fix the blank material tentatively between elastic block and stationary tong, then adjust the blank material, after the angle is adjusted, the pre-pressing effect on the blank material is achieved, and the blank material is convenient to adjust.

Two, the utility model discloses a set up gear motor, gear motor's output shaft rotates and can drive the worm and rotate along the axle center of primary shaft bearing, and then drives the worm and do the meshing transmission with the worm wheel, because the screwed pipe is to the limiting displacement of first screw rod, so first screw rod can outwards remove along with the rotation of worm wheel, and then drives the pincers that move and remove, and is fixed blank material clamp at last, has reached and has clamped fixed effect with blank material.

Drawings

Fig. 1 is a schematic structural view of the front cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of the cross-sectional view taken along the line A-A of the present invention;

FIG. 3 is a schematic structural view of the cross-sectional view taken along the line B-B of the present invention;

fig. 4 is a schematic view of the top view structure of the present invention.

In the figure: 1. a base; 2. fixing the pliers; 3. a support plate; 4. moving the housing; 5. a threaded pipe; 6. a first screw; 7. a worm gear; 8. moving the clamp; 9. a first bearing housing; 10. a worm; 11. a reduction motor; 12. a second bearing housing; 13. a second screw; 14. a handle; 15. a fixed seat; 16. a guide bar; 17. a telescopic rod; 18. an elastic block; 19. a spring; 20. and (4) anti-slip edges.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a be used for CNC parts machining with pressing from both sides tight tool, includes base 1, and the top fixed mounting of base 1 one side has fixed pincers 2, and fixed pincers 2 can not remove, utilizes the removal of removal pincers 8 to press from both sides the blank material and fix between the two, and the top slidable mounting of base 1 opposite side has moving mechanism.

Moving mechanism includes backup pad 3, and backup pad 3 plays fixed and support and removes the effect of

shell

4, and 3 slidable mounting in backup pad have a movable housing 4 at the top of base 1 keeping away from fixed pincers 2, and movable housing 4 plays the effect of the inside spare part of protection, prevents to add man-hour at blank material, and the residue splashes to cause the card to die between worm wheel 7 and the worm 10, and the inside of removing shell 4 is provided with telescopic machanism.

The telescopic mechanism comprises a threaded pipe 5, the threaded pipe 5 is fixedly arranged on the inner wall in the cavity of the movable shell 4, the inner wall of the threaded pipe 5 is rotatably connected with a first screw 6, the first screw 6 can rotate in the threaded pipe 5, a worm wheel 7 is rotatably arranged on the outer wall in the middle of the threaded pipe 5, the first screw 6 penetrates through the center of the worm wheel 7 and is in threaded connection with the penetrating part of the worm wheel 7, due to the limiting effect of the threaded pipe 5 on the first screw 6, the first screw 6 can move inwards or outwards along with the rotation of the worm wheel 7, one end, penetrating out of the outer wall at the left side of the movable shell 4, of the first screw 6 is movably provided with a movable clamp 8, the movable clamp 8 can move along with the movement of the first screw 6 to clamp the blank raw material, two first bearing seats 9 are fixedly arranged at the bottom of the cavity, close to the worm wheel 7, of the movable shell 4, the axes of the, the worm 10 is meshed with the worm wheel 7, the bottom of the movable shell 4, which is close to the cavity of the first bearing seat 9, is fixedly provided with the speed reducing motor 11, one end of the worm 10, which penetrates out of the first bearing seat 9, is fixedly connected with an output shaft of the speed reducing motor 11, when the output shaft of the speed reducing motor 11 rotates, the worm 10 is driven to rotate along the axis of the first bearing seat 9, the worm 10 and the worm wheel 7 are driven to be in meshing transmission, and due to the limiting effect of the threaded pipe 5 on the first screw rod 6, the first screw rod 6 can move outwards along with the rotation of the worm wheel 7, the movable clamp 8 is driven to move, and finally, a blank material clamp is fastened.

Further, a sliding mechanism and a guiding mechanism are arranged between the supporting plate 3 and the base 1, the sliding mechanism comprises two second bearing seats 12, the two second bearing seats 12 are fixedly installed at the top of the base 1 below the supporting plate 3, second screw rods 13 are rotatably installed on the axes of the two second bearing seats 12, the second screw rods 13 penetrate through the supporting plate 3 and are in threaded connection with the penetrating positions of the supporting plate 3, one end, penetrating out of one of the second bearing seats 12, of each second screw rod 13 is fixedly provided with a handle 14, when the handle 14 is rotated, the handle 14 can drive the second screw rods 13 to rotate along the axes of the second bearing seats 12, and due to the limiting effect of a guide rod 16 on the supporting plate 3, the supporting plate 3 can move left and right along with the rotation of.

Further, guiding mechanism includes two

fixing bases

15, 15 fixed mounting of two fixing bases are at the top that base 1 is close to second bearing frame 12, the axle center fixed mounting of two fixing bases 15 has guide arm 16, guide arm 16 runs through backup pad 3, guide arm 16 plays a support and restriction pivoted effect to backup pad 3, can set up two sets of guiding mechanism simultaneously, set up the both sides at sliding mechanism respectively, can make backup pad 3 atress more even like this, and with backup pad 3 run through a sliding connection, can slide along 16 outer walls of guide arm when removing when backup pad 3, and then make backup pad 3 slide more smoothly, still play the effect of direction to backup pad 3 simultaneously.

Furthermore, an expansion link 17 is fixedly installed on the outer wall of the movable housing 4 close to the first screw 6, the expansion link 17 can expand and contract, an elastic block 18 is fixedly installed on the other end of the expansion link 17, a spring 19 is sleeved on the surface of the expansion link 17, two ends of the spring 19 are respectively fixedly installed on the outer wall of the elastic block 18 opposite to the movable housing 4, when the support plate 3 moves to drive the movable housing 4 to move leftwards, then the blank material is placed between the fixed clamp 2 and the movable clamp 8, because the length of the expansion link 17 is longer than the length of the first screw 6 extending out of the movable housing 4, when the movable housing 4 moves, the elastic block 18 contacts the blank material first, then along with the movement of the movable housing 4, the elastic block 18 can drive the expansion link 17 to contract, and the spring 19 is compressed, at the same time, the elastic force of the spring 19 can give a pre-pressure to the blank material, so as to fix, and then adjusting the blank material, and after the angle is adjusted, further fixing and clamping the blank material through the movable clamp 8.

Further, fixed pincers 2 have all seted up anti-skidding arris 20 with the outer wall of removing pincers 8 opposite face, and anti-skidding arris 20 can prevent that the blank material from skidding or squinting at the tight in-process of clamp, and fixed pincers 2 can be seted up into the cambered surface with the outer wall of removing pincers 8 opposite face simultaneously, more is favorable to pressing from both sides tightly fixedly to the blank material.

The working principle is as follows: when the clamping jig for CNC part machining is used, the handle 14 is rotated, the handle 14 can drive the second screw rod 13 to rotate along the axis of the second bearing seat 12, due to the limiting effect of the guide rod 16 on the support plate 3, the support plate 3 can move leftwards along with the rotation of the second screw rod 13, meanwhile, the support plate 3 can slide leftwards along the outer wall of the guide rod 16, the support plate 3 can drive the movable shell 4 to move leftwards, when the elastic block 18 moves to a certain distance along with the movable shell 4, the prepared blank material is placed between the fixed clamp 2 and the elastic block 18, because the length of the telescopic rod 17 is longer than the length of the first screw rod 6 extending out of the movable shell 4, when the movable shell 4 moves, the elastic block 18 firstly contacts the blank material, then along with the movement of the movable shell 4, the elastic block 18 can drive the telescopic rod 17 to contract, and meanwhile, the spring 19 is compressed, at this time, the elastic force of the spring 19 can provide a pre-pressure for the blank material, the blank material is preliminarily fixed between the elastic block 18 and the fixing clamp 2, then the blank material is adjusted, after the angle is adjusted, the speed reducing motor 11 is started, the output shaft of the speed reducing motor 11 rotates to drive the worm 10 to rotate along the axis of the first bearing seat 9, and further drive the worm 10 to be in meshing transmission with the worm wheel 7, due to the limiting effect of the threaded pipe 5 on the first screw 6, the first screw 6 can move outwards along with the rotation of the worm wheel 7, and further drive the moving clamp 8 to move, and finally the blank material is clamped and fixed, and the blank material can be clamped more stably through the elastic force of the spring 19 and the moving clamp 8.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for CNC parts machining with pressing from both sides tight tool, includes base (1), its characterized in that: the top of one side of the base (1) is fixedly provided with a fixed clamp (2), and the top of the other side of the base (1) is slidably provided with a moving mechanism;

the moving mechanism comprises a supporting plate (3), the supporting plate (3) is slidably mounted at the top of the base (1) far away from the fixed clamp (2), a moving shell (4) is fixedly mounted at the top of the supporting plate (3), and a telescopic mechanism is arranged inside the moving shell (4);

the telescopic mechanism comprises a threaded pipe (5), the threaded pipe (5) is fixedly arranged on the inner wall in the cavity of the movable shell (4), the inner wall of the threaded pipe (5) is in threaded connection with a first screw (6), the outer wall in the middle of the threaded pipe (5) is rotatably provided with a worm wheel (7), the first screw (6) penetrates through the center of the worm wheel (7) and is in threaded connection with the penetration part of the worm wheel (7), one end, penetrating out of the outer wall on the left side of the movable shell (4), of the first screw (6) is movably provided with a movable clamp (8), the movable shell (4) is fixedly provided with two first bearing seats (9) close to the bottom in the cavity of the worm wheel (7), the axes of the two first bearing seats (9) are jointly rotated to be provided with a worm (10), the worm (10) is meshed with the worm wheel (7), the movable shell (4) is fixedly provided with a speed reducing motor (11) close to the bottom in, one end of the worm (10) penetrating through the first bearing seat (9) is fixedly connected with an output shaft of the speed reducing motor (11).

2. The clamping jig for CNC machining of claim 1 wherein: a sliding mechanism and a guide mechanism are arranged between the supporting plate (3) and the base (1).

3. The clamping jig for CNC machining of claim 2 wherein: slide mechanism includes two second bearing frame (12), two second bearing frame (12) fixed mounting is at base (1) top of backup pad (3) below, two second screw rod (13) are installed in the axle center rotation of second bearing frame (12), backup pad (3) are run through to second screw rod (13) to with the department threaded connection that runs through of backup pad (3), one end fixed mounting that one of them second bearing frame (12) was worn out in second screw rod (13) has handle (14).

4. The clamping jig for CNC machining of claim 3 wherein: the guide mechanism comprises two fixing seats (15), the two fixing seats (15) are fixedly installed at the top, close to the second bearing seat (12), of the base (1), guide rods (16) are fixedly installed at the axle centers of the two fixing seats (15), the guide rods (16) penetrate through the supporting plate (3) and are in sliding connection with the penetrating positions of the supporting plate (3).

5. The clamping jig for CNC machining of claims 4, wherein: remove outer wall fixed mounting that shell (4) are close to first screw rod (6) has telescopic link (17), the other end fixed mounting of telescopic link (17) has elastic block (18), the surface cover of telescopic link (17) is equipped with spring (19), the both ends difference fixed mounting of spring (19) is at elastic block (18) and the outer wall of removing shell (4) opposite face.

6. The clamping jig for CNC machining of claim 5, wherein: the outer wall of the opposite surface of the fixed pincers (2) and the movable pincers (8) is provided with anti-slip ribs (20).