CN210359045U

CN210359045U - Clamp for processing headless screw

Info

Publication number: CN210359045U
Application number: CN201921281232.3U
Authority: CN
Inventors: 陈佳伟
Original assignee: Suzhou Versheng Precision Machinery Technology Co Ltd
Current assignee: Suzhou Versheng Precision Machinery Technology Co Ltd
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-04-21
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses an anchor clamps are used in headless screw processing, including bottom plate, workstation, hexagonal post, the screw thread axle is installed to bottom plate upper end bilateral symmetry, screw thread epaxial end fixed connection roof, the roof below is provided with the movable plate, fixing device is installed to the movable plate lower extreme, bottom plate upper end mid-mounting has the support column, the support column upper end is provided with the workstation, the cooperation piece is installed to the workstation upper end, cooperation piece upper end is equipped with headless screw, the fixing device lower extreme is provided with the hexagonal post, fixing device is including the circular slot piece, fastening bolt, press from both sides tight piece, a plurality of fastening bolt is installed to circular slot piece annular, the position that corresponds fastening bolt in the circular slot piece is provided with and presss from both sides tight piece, and press from. The utility model discloses inject the hexagonal socket of headless screw with the hexagonal post, firmly press from both sides tight headless screw through fixing device and cooperation piece, make the headless screw the condition that the removal can not appear, press from both sides tight effect better.

Description

Clamp for processing headless screw

Technical Field

The utility model relates to a screw processing technology field specifically is an anchor clamps are used in headless screw processing.

Background

The headless screw is a deformed product of a common inner hexagonal screw and is mainly used for connection of hole positions which are not changed into countersunk heads in a fastening and fixing connection mechanism. The head-free screw has the advantages that the functions of locking, simple positioning, limiting and the like are realized, in the process of die and mechanical assembly, the head-free screw is usually used for simple positioning, limiting, fastening and the like due to the fact that the screw does not have a countersunk head, thread rolling is needed in the process of processing the head-free screw, the thread rolling is an important step of forming the head-free screw, the head-free screw can be processed only by clamping the head-free screw through a clamp, and the current clamp is a common mechanical clamp and needs manual fastening. Accordingly, those skilled in the art have provided a chuck for headless screw machining to solve the above-mentioned problems of the background art.

Disclosure of Invention

An object of the utility model is to provide a headless anchor clamps for screw processing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a clamp for processing headless screws comprises a bottom plate, a workbench and a hexagonal column, wherein rotary bearings I are symmetrically mounted at the upper end of the bottom plate left and right, the upper ends of the rotary bearings I are rotatably connected with a threaded shaft, the upper end of the threaded shaft is rotatably connected with a rotary bearing II, the upper ends of the two rotary bearings II are fixedly connected with a top plate, a belt pulley I is sleeved on the upper portion of the threaded shaft, a motor is mounted in the middle of the upper end of the top plate, the lower end of the motor penetrates through the top plate and is fixedly connected with the belt pulley II, belts are symmetrically sleeved on the upper end and the lower end of the belt pulley II, the belt pulley II is respectively connected with the two belt pulleys I through the;

a support column is arranged in the middle of the upper end of the bottom plate, a workbench is arranged at the upper end of the support column, a matching block is arranged at the upper end of the workbench, and a headless screw is arranged at the upper end of the matching block;

the fixing device is characterized in that a hexagonal column is arranged at the lower end of the fixing device, the fixing device comprises a circular groove block, a fastening bolt and a clamping block, the circular groove block is annularly provided with the fastening bolt, the position, corresponding to the fastening bolt, in the circular groove block is provided with the clamping block, and the clamping block is fixedly connected with the fastening bolt.

As a further aspect of the present invention: a group of supporting legs are symmetrically arranged at the left and right sides of the lower end of the bottom plate, universal wheels are arranged at the lower ends of the supporting legs, and the universal wheels enable the device to have mobility.

As a further aspect of the present invention: the upper end of the matching block is provided with a non-slip mat, the size of the non-slip mat is larger than that of the headless screw, and the non-slip mat prevents the situation that the headless screw slides when being clamped tightly.

As a further aspect of the present invention: the threaded shaft is sleeved with a limiting block, and the limiting block is located between the first belt pulley and the movable plate.

As a further aspect of the present invention: the number of the fastening bolts is six, and the fastening bolts are uniformly arranged on the circular groove block.

As a further aspect of the present invention: the protection pad is installed to the one end that presss from both sides tight piece and lean on circular slot piece middle part, and the protection pad material is rubber, avoids pressing from both sides tight piece and uses repeatedly and damage.

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

the utility model discloses inject the hexagonal socket of headless screw with the hexagonal post, make the headless screw can not appear the pivoted condition man-hour, firmly press from both sides tight headless screw through fixing device and cooperation piece, make the headless screw can not appear the condition of removal, press from both sides tight effect better, adjust the distance of pressing from both sides between the tight piece through rotating fastening bolt simultaneously, make fixing device can clip not unidimensional hexagonal post, make this device adaptability stronger.

Drawings

Fig. 1 is a schematic structural view of a chuck for headless screw machining.

Fig. 2 is a schematic structural view of a fixing device in a headless screw machining jig.

Fig. 3 is a perspective view of a movable plate in the headless screw machining jig.

In the figure: 1. a base plate; 11. a support pillar; 12. a work table; 13. supporting legs; 14. a universal wheel; 2. a threaded shaft; 21. rotating the first bearing; 22. rotating a second bearing; 23. a limiting block; 24. a first belt pulley; 3. a top plate; 4. a matching block; 41. a non-slip mat; 5. headless screws; 6. a motor; 61. a second belt pulley; 62. a belt; 7. moving the plate; 8. a fixing device; 81. a circular groove block; 82. fastening a bolt; 83. a clamping block; 84. a protection pad; 9. a hexagonal column.

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. 1-3, in an embodiment of the present invention, a chuck for processing headless screws includes a base plate 1, a worktable 12, a hexagonal column 9, the upper end of the bottom plate 1 is provided with a first rotating bearing 21 in bilateral symmetry, the upper end of the first rotating bearing 21 is rotatably connected with a threaded shaft 2, the upper end of the threaded shaft 2 is rotatably connected with a second rotating bearing 22, the upper ends of the two second rotating bearings 22 are fixedly connected with a top plate 3, the upper part of the threaded shaft 2 is sleeved with a first belt pulley 24, the middle part of the upper end of the top plate 3 is provided with a motor 6, the lower end of the motor 6 penetrates through the top plate 3 and is fixedly connected with a second belt pulley 61, the second, the second belt pulley 61 is respectively connected with the first belt pulley 24 through two belts 62, a moving plate 7 is arranged below the top plate 3, two sides inside the movable plate 7 are respectively in threaded connection with the threaded shaft 2, and the lower end of the movable plate 7 is provided with a fixing device 8;

a support column 11 is arranged in the middle of the upper end of the bottom plate 1, a workbench 12 is arranged at the upper end of the support column 11, a matching block 4 is arranged at the upper end of the workbench 12, and a headless screw 5 is arranged at the upper end of the matching block 4;

the hexagonal column 9 is arranged at the lower end of the fixing device 8, the fixing device 8 comprises a circular groove block 81, fastening bolts 82 and clamping blocks 83, the circular groove block 81 is annularly provided with the fastening bolts 82, the clamping blocks 83 are arranged in the circular groove block 81 corresponding to the fastening bolts 82, and the clamping blocks 83 are fixedly connected with the fastening bolts 82.

A group of supporting legs 13 are symmetrically arranged at the left and right sides of the lower end of the bottom plate 1, universal wheels 14 are arranged at the lower ends of the supporting legs 13, and the device has mobility due to the universal wheels 14.

The upper end of the matching block 4 is provided with a non-slip pad 41, the size of the non-slip pad 41 is larger than that of the headless screw 5, and the non-slip pad 41 prevents the situation that the headless screw 5 slides when being clamped.

A limiting block 23 is sleeved on the threaded shaft 2, and the limiting block 23 is located between the first belt pulley 24 and the moving plate 7.

The number of the fastening bolts 82 is six, and the fastening bolts 82 are uniformly arranged on the circular groove block 81.

One end, close to the middle of the circular groove block 81, of the clamping block 83 is provided with a protection pad 84, and the protection pad 84 is made of rubber, so that the clamping block 83 is prevented from being damaged due to repeated use.

The utility model discloses a theory of operation is: one end of a hexagon socket in the headless screw 5 is placed on the anti-slip pad 41 in an upward mode, a hexagon column 9 with the same size as the hexagon socket in the headless screw 5 is selected, the hexagon column 9 is placed in the fixing device 8, the fastening bolt 82 is rotated to push the clamping block 83, the clamping block 83 firmly clamps the hexagon column 9, the motor 6 works to drive the belt pulley II 61 to rotate, the belt pulley II 61 drives the belt pulley I24 to rotate through the belt 62, the belt pulley I24 rotates to drive the threaded shafts 2 to rotate, the threaded shafts 2 rotate to drive the moving plate 7 to move downwards, the moving plate 7 drives the fixing device 8 to move downwards, the hexagon column 9 is inserted into the hexagon socket in the headless screw 5, and then the headless screw 5 is firmly clamped with the matching block 4 through the fixing device 8.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A clamp for processing headless screws comprises a bottom plate (1), a workbench (12) and a hexagonal column (9), and is characterized in that rotary bearings (21) are arranged on the upper end of the bottom plate (1) in a bilateral symmetry mode, the upper ends of the rotary bearings (21) are rotatably connected with a threaded shaft (2), the upper end of the threaded shaft (2) is rotatably connected with a rotary bearing II (22), the upper ends of the two rotary bearings II (22) are fixedly connected with a top plate (3), a belt pulley I (24) is sleeved on the upper portion of the threaded shaft (2), a motor (6) is arranged in the middle of the upper end of the top plate (3), the lower end of the motor (6) penetrates through the top plate (3) and is fixedly connected with a belt pulley II (61), belts (62) are symmetrically sleeved on the upper portion and the lower portion of the belt pulley II (61), the belt pulley II (61) is respectively connected with, two sides inside the movable plate (7) are respectively in threaded connection with the threaded shaft (2), and the lower end of the movable plate (7) is provided with a fixing device (8);

a support column (11) is installed in the middle of the upper end of the bottom plate (1), a workbench (12) is arranged at the upper end of the support column (11), a matching block (4) is installed at the upper end of the workbench (12), and a headless screw (5) is arranged at the upper end of the matching block (4);

the hexagonal column (9) is arranged at the lower end of the fixing device (8), the fixing device (8) comprises a circular groove block (81), fastening bolts (82) and clamping blocks (83), the circular groove block (81) is annularly provided with the fastening bolts (82), the clamping blocks (83) are arranged in the circular groove block (81) corresponding to the fastening bolts (82), and the clamping blocks (83) are fixedly connected with the fastening bolts (82).

2. The headless screw processing clamp according to claim 1, wherein a set of support legs (13) are symmetrically arranged at the lower end of the bottom plate (1) left and right, and universal wheels (14) are arranged at the lower ends of the support legs (13).

3. The clamp for processing the headless screw according to claim 1, wherein the upper end of the matching block (4) is provided with a non-slip pad (41), and the size of the non-slip pad (41) is larger than that of the headless screw (5).

4. The headless screw processing clamp according to claim 1, wherein the threaded shaft (2) is sleeved with a limiting block (23), and the limiting block (23) is located between the first pulley (24) and the moving plate (7).

5. The headless screw processing fixture according to claim 1, wherein the number of the fastening bolts (82) is six, and the fastening bolts (82) are uniformly arranged on the circular groove block (81).

6. The clamp for headless screw processing according to claim 1, wherein a protection pad (84) is installed at one end of the clamping block (83) close to the middle of the circular groove block (81), and the protection pad (84) is made of rubber.