CN216882827U

CN216882827U - Machining clamp for key

Info

Publication number: CN216882827U
Application number: CN202123232032.9U
Authority: CN
Inventors: 王春永
Original assignee: Shanghai Beiyu Precision Machinery Co ltd
Current assignee: Shanghai Beiyu Precision Machinery Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-07-05
Anticipated expiration: 2031-12-22

Abstract

The utility model provides a machining clamp for a key, which comprises a bottom plate, wherein a rotary table is fixed on one side of the bottom plate, a base is fixed on the rotary table, a bearing platform is fixed at the end part of the base, at least two limiting blocks and at least two limiting heads are fixed above the bearing platform, the bearing platform is embedded and is rotatably connected with a rotary shaft, a rotating block is sleeved on the rotary shaft, an oil cylinder is fixed below the base, a piston rod of the oil cylinder penetrates through the base and is rotatably connected with a pressing block support, the middle part of the pressing block support is hinged with the base, a pressing block is fixed at the end part of the pressing block support, and a clamping mechanism is further arranged on the other side of the bottom plate; the bottom plate is provided with a pneumatic supporting mechanism; the bearing platform and the supporting head can support the key during processing, the key is prevented from being bent during processing, the limiting block and the limiting head can prevent the key from deviating during processing, the bayonet arranged on the rotating block can better clamp the key, and the clamping mechanism further clamps the key to prevent shaking.

Description

Machining clamp for key

Technical Field

The utility model relates to the field of machine tool clamps, in particular to a machining clamp for a key.

Background

Along with the development of science and technology, the safety performance of keys and locks is higher and higher, the appearance of key structures is more and more diversified, the machining precision requirements of the key structures are higher and higher, and the requirements on specific clamps in the key machining and clamping processes are higher and higher; the clamp in the prior art has the advantages of single function, poor clamping effect, low machining efficiency and low machining precision due to the fact that the key is prone to deviation and shaking in the machining process.

Disclosure of Invention

The utility model mainly aims to provide a machining clamp for a key, which solves the problem that the key cannot be stably and firmly clamped when the existing clamp clamps the key, realizes the omnibearing fixation of the key and improves the machining precision.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a machining clamp for keys comprises a bottom plate, wherein a yielding groove is formed in the bottom plate, a rotary table is fixed on one side of the bottom plate, a base is fixed on the rotary table, a bearing platform is fixed at the end of the base and used for bearing keys, at least two limiting blocks and at least two limiting heads are fixed above the bearing platform, a rotary shaft is embedded in the bearing platform and is connected with the bearing platform in a rotating mode, a rotating block is sleeved on the rotary shaft, an oil cylinder is fixed below the base, the bottom of the oil cylinder is located in the yielding groove, a piston rod of the oil cylinder penetrates through the base and is connected with a pressing block support in a rotating mode, the middle of the pressing block support is connected with the base in a hinged mode, and a pressing block is fixed at the end of the pressing block support; and the bottom plate is provided with a pneumatic supporting mechanism for supporting the key.

Preferably, the limiting block is positioned at the tail part of the key to be clamped, and the limiting head is positioned at the handle part of the key to be clamped.

Preferably, a bayonet is arranged on the turning block and used for clamping a key.

Preferably, a hinged support is arranged between the pressing block support and the base, and the hinged support is used for connecting the pressing block support and the base.

Preferably, the pneumatic support mechanism comprises a first cylinder fixed on the bottom plate, and a support head is arranged at the top of the first cylinder.

Preferably, the other side of the bottom plate is provided with a clamping mechanism, a limiting support is arranged between the clamping mechanism and the first air cylinder, and the end part of the limiting support is in threaded connection with a limiting screw.

Preferably, the clamping mechanism comprises a sliding rail and a sliding block which are fixed on the bottom plate, a connecting seat is fixed on one side of the sliding block, the connecting seat is connected with a connecting head in a clamping manner, the connecting head is fixed on a piston rod of a second air cylinder, and the second air cylinder is fixed on the bottom plate; the fixed plate is fixed above the sliding block, the fixed block is fixed on the fixed plate, third cylinders are arranged on two sides of the fixed block, piston rods of the third cylinders are connected with clamping jaw supports, the clamping jaw supports are connected with the fixed block in a sliding mode, and clamping jaws are fixed on the clamping jaw supports.

Has the advantages that: the bearing platform and the supporting head can support the key during processing, the key is prevented from being bent and deformed during processing, the limiting block and the limiting head can prevent the key from shaking and deviating during processing, the bayonet arranged on the rotating block can better clamp the key, and the clamping mechanism further clamps the key to prevent deviation.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

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

FIG. 2 is an enlarged detail view of a portion of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic view of the structure of the platform of the present invention;

FIG. 5 is a schematic cross-sectional view of the platform of the present invention.

Wherein: 1. a base plate; 2. a yielding groove; 3. a turntable; 4. a base; 5. a bearing platform; 6. a limiting block; 7. a limiting head; 8. a rotating shaft; 9. rotating the block; 10. an oil cylinder; 11. a pressing block support; 12. briquetting; 13. a pneumatic support mechanism; 14. a bayonet; 15. a hinged support; 16. a first cylinder; 17. a support head; 18. a clamping mechanism; 19. a limiting support; 20. a limit screw; 21. a slide rail; 22. a slider; 23. a connecting seat; 24. a connector; 25. a second cylinder; 26. a fixing plate; 27. a fixed block; 28. a third cylinder; 29. a jaw support; 30. a clamping jaw.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

As shown in fig. 1, 2, 4, and 5, the embodiment provides a machining fixture for a key, which includes a bottom plate 1, wherein a recess 2 is provided on the bottom plate 1, a rotary table 3 is fixed on one side of the bottom plate 1, a base 4 is fixed on the rotary table 3, a bearing platform 5 is fixed at an end of the base 4 for bearing the key, at least two limiting blocks 6 and at least two limiting heads 7 are fixed above the bearing platform 5, the limiting blocks 6 are located at a tail portion of the key to be clamped, the limiting heads 7 are located at a handle portion of the key to be clamped, when the key is placed on the bearing platform 5, the limiting blocks 6 and the limiting heads 7 can play a certain limiting and fixing role, the bearing platform 5 is embedded and rotatably connected with a rotating shaft 8, a rotating block 9 is sleeved on the rotating shaft 8, the rotating block 9 can rotate around the rotating shaft 8 on the bearing platform 5, a bayonet 14 matched with a key is arranged on the rotating block 9, and when the key is placed on the bearing platform 5, the bayonet 14 can be clamped with the key;

an oil cylinder 10 is fixed below the base 4, the bottom of the oil cylinder 10 is located in the abdicating groove 2, when the rotary table 3 drives the base 4 and the oil cylinder 10 fixed below the base 4 to rotate, due to the existence of the abdicating groove 2, the oil cylinder 10 cannot be blocked by the bottom plate 1, a piston rod of the oil cylinder 10 passes through the base 4 and is rotatably connected with a pressing block support 11, the middle part of the pressing block support 11 is hinged with the base 4, the embodiment adopts a hinged connection mode that a hinged support 15 is arranged between the pressing block support 11 and the base 4 for connecting the pressing block support 11 and the base 4, a pressing block 12 is fixed at the end part of the pressing block support 11, when a piston of the oil cylinder 10 moves downwards, one end of the pressing block support 11 is driven to move downwards together, and the other end of the pressing block support 11 is lifted upwards due to the existence of the hinged support 15, a key can be put in at the moment, and when the piston of the oil cylinder 10 is jacked upwards, the pressing block support 11 drives the pressing block 12 to be pressed downwards to fix the key;

the bottom plate 1 is provided with a pneumatic supporting mechanism 13, the pneumatic supporting mechanism 13 comprises a first air cylinder 16 fixed on the bottom plate 1, a supporting head 17 is arranged at the top of the first air cylinder 16, the supporting head 17 is arranged below the handle part of the key, when the key is processed, the first air cylinder 16 drives the supporting head 17 to jack up and support the key, so that the key is prevented from bending and deforming under the action of a processing instrument, and when the key needs to be rotated to change the processing position, the first air cylinder 16 drives the supporting head 17 to move downwards to provide enough space for the key to rotate.

As shown in fig. 1 and 3, in order to further clamp and fix a key during processing and prevent the key from deviating, the other side of the bottom plate 1 is further provided with a clamping mechanism 18, the clamping mechanism 18 includes a slide rail 21 and a slide block 22 fixed on the bottom plate 1, one side of the slide block 22 is fixed with a connecting seat 23, one side of the slide rail 21 is fixed with a second air cylinder 25, a piston rod of the second air cylinder 25 is provided with a connecting head 24, the connecting head 24 is connected with the connecting seat 23 in a clamping manner, and the second air cylinder 25 can drive the slide block 22 to slide on the slide rail 21; the slider 22 top is fixed with fixed plate 26, be fixed with fixed block 27 on the fixed plate 26, fixed block 27 both sides are provided with third cylinder 28, the piston rod of third cylinder 28 is connected with clamping jaw support 29, in this embodiment clamping jaw support 29 is the cross, fixed block 27 is in third cylinder 28 department be provided with the spout that clamping jaw support 29 matches, clamping jaw support 29 can slide in the spout, nevertheless can not rotate, be fixed with clamping jaw 30 on the clamping jaw support 29, fixture 18 with be provided with limit support 19 between the first cylinder 16, limit support 19 tip threaded connection has stop screw 20, second cylinder 25 is promoting slider 23 is close to the key until contacting stop screw 20, adjusts stop screw 20 makes the position of clamping jaw 30 be located the stalk portion of key, at this time, the third cylinder 28 operates to push the jaw support 29, and the jaw support 29 drives the jaws 30 to approach the key until the key is clamped and fixed.

Claims

1. The utility model provides a machining anchor clamps for key, its characterized in that includes bottom plate (1), be provided with groove of stepping down (2) on bottom plate (1), bottom plate (1) one side is fixed with revolving stage (3), be fixed with base (4) on revolving stage (3), the end fixing of base (4) has cushion cap (5) for bear the weight of the key, cushion cap (5) top is fixed with two at least stopper (6) and two at least spacing head (7), the embedded pivot (8) that is connected with that rotates of cushion cap (5), the cover has turning block (9) on pivot (8), base (4) below is fixed with hydro-cylinder (10), the bottom of hydro-cylinder (10) is located in groove of stepping down (2), the piston rod of hydro-cylinder (10) passes base (4) and is connected with briquetting support (11) that rotates, the middle part of briquetting support (11) with base (4) are articulated, a pressing block (12) is fixed at the end part of the pressing block support (11); the bottom plate (1) is provided with a pneumatic supporting mechanism (13) for supporting a key.

2. A machining clamp for keys according to claim 1, characterized in that said stop block (6) is located at the tail of the key to be clamped, and said stop head (7) is located at the shank of the key to be clamped.

3. A machining clamp for keys according to claim 1, characterized in that the turning block (9) is provided with a bayonet (14) for engaging a key.

4. The machining clamp for keys according to claim 1, characterized in that an articulated support (15) is provided between the compact support (11) and the base (4), the articulated support (15) being used to connect the compact support (11) and the base (4).

5. The machining clamp for keys according to claim 1, characterized in that the pneumatic support mechanism (13) comprises a first cylinder (16) fixed on the base plate (1), the top of the first cylinder (16) being provided with a support head (17).

6. The machining clamp for the key according to the claim 5, characterized in that, the other side of the bottom plate (1) is provided with a clamping mechanism (18), a limit support (19) is arranged between the clamping mechanism (18) and the first cylinder (16), and the end of the limit support (19) is connected with a limit screw (20) in a threaded manner.

7. The machining clamp for the key according to claim 6, wherein the clamping mechanism (18) comprises a sliding rail (21) and a sliding block (22) which are fixed on the bottom plate (1), a connecting seat (23) is fixed on one side of the sliding block (22), the connecting seat (23) is connected with a connecting head (24) in a clamping manner, the connecting head (24) is fixed on a piston rod of a second air cylinder (25), and the second air cylinder (25) is fixed on the bottom plate (1); slider (22) top is fixed with fixed plate (26), be fixed with fixed block (27) on fixed plate (26), fixed block (27) both sides are provided with third cylinder (28), the piston rod of third cylinder (28) is connected with clamping jaw support (29), clamping jaw support (29) with fixed block (27) sliding connection, be fixed with clamping jaw (30) on clamping jaw support (29).