Reversible clamp structure of cold header

Abstract

The turnover clamp structure of the cold header comprises a rotating mechanism, the rotating mechanism comprises a shell, the right side of the shell is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a worm, the bottom of the worm is meshed with a worm gear, and the front face of the worm gear is fixedly connected with a rotating shaft; and a clamping mechanism is arranged on the front face of the shell and comprises a box body, the back face of the box body is fixedly connected with the rotating shaft, the top of the box body is fixedly connected with a second motor, and the output end of the second motor is fixedly connected with a driving gear. According to the turnover clamp structure of the cold header, the rotating mechanism is arranged, the first motor is started, the first motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the rotating shaft to rotate, the rotating shaft drives the clamping mechanism to rotate, and the clamping mechanism drives the limiting mechanism to rotate, so that materials can be rotated, and the materials can be conveniently driven to turn over.

Description

Technical Field

[0001] The utility model relates to the technical field of clamp structures, in particular to a reversible clamp structure of a cold heading machine. Background Art

[0002] A cold heading machine is a device that cuts and cold-extrudes processed metal wires, and cold-forges the wires into shape in a mold. It can be used to process various fastener products such as screws. The flip clamp of the cold heading machine is used to clamp the workpiece during the cold forging process.

[0003] According to the patent document: CN210817247U, a cold heading machine flip clamp is disclosed, including a vertical shaft, characterized in that: the vertical shaft is rotatably arranged on the clamp seat, the upper shaft end of the vertical shaft is connected to a flip gear, the flip gear is in transmission meshing with a transmission gear, the gear ratio of the flip gear to the transmission gear is 1 to 2, the transmission gear is connected to the transmission shaft, the transmission shaft is rotatably arranged on the clamp seat, a half-tooth gear is also installed on the transmission shaft, and the half-tooth gear is in transmission meshing with an arc-shaped tooth plate fixed on the clamp table of the cold heading machine during operation. The utility model can realize a 180-degree flip of the clamp during cold heading operation, meet the cold heading needs of both ends of the workpiece, and has a simple structure.

[0004] The current traditional cold heading machine has a reversible clamp structure. In daily use, the clamping mechanism is not convenient to adjust, making it inconvenient to clamp materials of different sizes, and the chuck is not convenient to replace, making it inconvenient to clamp special-shaped workpieces, causing the workpiece to easily loosen, so that the clamp structure cannot meet the use requirements. Utility Model Content

[0005] The purpose of the utility model is to provide a reversible clamp structure for a cold heading machine to solve the problem that the current traditional reversible clamp structure for cold heading machine proposed in the above background technology is that during daily use, the clamping mechanism is not convenient to adjust, so it is not convenient to clamp materials of different sizes, and the chuck is not convenient to replace, so it is not convenient to clamp special-shaped workpieces, resulting in the workpiece being easy to loosen, thereby making the clamp structure unable to meet the use requirements.

[0006] To achieve the above object, the utility model provides the following technical solution: a reversible clamp structure of a cold heading machine, comprising a rotating mechanism, the rotating mechanism comprising a housing, a first motor is fixedly connected to the right side of the housing, a worm is fixedly connected to the output end of the first motor, a worm is meshed with a worm wheel at the bottom of the worm, and a rotating shaft is fixedly connected to the front side of the worm wheel;

[0007] A clamping mechanism is provided on the front side of the shell, and the clamping mechanism includes a box body, the back side of the box body is fixedly connected to the rotating shaft, the top of the box body is fixedly connected to the second motor, the output end of the second motor is fixedly connected to the driving gear, the right side of the driving gear is meshed with a driven gear, the bottoms of the driving gear and the driven gear are both fixedly connected to a winding roller, the surface of the winding roller is fixedly connected to a cloth belt, one side of the cloth belt is fixedly connected to a rectangular plate, and one side of the rectangular plate is fixedly connected to a fixing rod.

[0008] Preferably, a limiting mechanism is provided on one side of the fixing rod, and the limiting mechanism includes a hollow block, a partition is fixedly connected to the central axis of the inner wall of the hollow block, the top and bottom of the partition are fixedly connected to the second spring, one side of the second spring is fixedly connected to the connecting block, one side of the connecting block is fixedly connected to the pin, the surface of the pin is plugged with an insertion rod, one side of the insertion rod is fixedly connected to a vertical plate, one side of the vertical plate is fixedly connected to an adjusting rod, and one side of the adjusting rod is fixedly connected to a clamping plate.

[0009] Preferably, the left side of the worm is movably connected to the housing via a first bearing, the front side of the inner cavity of the housing is movably connected to the rotating shaft via a second bearing, and a circular hole is provided on the front side of the housing.

[0010] Preferably, a cross bar is fixedly connected to the front side of the inner wall of the box body, and the surface of the cross bar is slidably connected to the rectangular plate.

[0011] Preferably, a fixing plate is fixedly connected to the front side of the box body, first springs are fixedly connected to both sides of the fixing plate, and one side of the first spring is fixedly connected to a fixing rod.

[0012] Preferably, the inner cavity of the connection block is slidably connected to a rectangular rod, and a hollow block on one side of the rectangular rod is fixedly connected.

[0013] Preferably, a rectangular groove is opened on one side of the hollow block, and the inner cavity of the rectangular groove is plugged into the insertion rod, and a connecting handle is fixedly connected to the front side of the connecting block.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By setting a rotating mechanism and starting the first motor, the first motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the rotating shaft to rotate, the rotating shaft drives the clamping mechanism to rotate, and the clamping mechanism drives the limiting mechanism to rotate, so that the material can be rotated, which is convenient for driving the material to turn over.

[0016] 2. By setting up the clamping mechanism, start the second motor, the second motor drives the active gear to rotate, the active gear drives the driven gear to rotate, which can drive the winding roller to rotate, the winding roller will reel in the cloth belt, the cloth belt drives the rectangular plate to move, the rectangular plate drives the fixed rod to move, which can drive the limit mechanism to move, making it convenient to clamp the material.

[0017] 3. By setting a limit mechanism, when the clamping plate needs to be replaced, move the connecting handle, the connecting handle drives the connecting block to move, the connecting block drives the pin to move, after the pin is away from the plug rod, pull the vertical plate, the vertical plate drives the plug rod to move, after the plug rod is away from the hollow block, the disassembly work can be completed, and the corresponding clamping plate can be replaced conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a partial three-dimensional structural schematic diagram of the clamping mechanism of the utility model;

[0020] Figure 3 It is a partial three-dimensional structural schematic diagram of the limiting mechanism of the utility model;

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the rotating mechanism of the utility model.

[0022] In the figure: 1. rotating mechanism; 101. housing; 102. first motor; 103. worm; 104. worm wheel; 105. rotating shaft; 2. clamping mechanism; 201. box; 202. second motor; 203. driving gear; 204. driven gear; 205. winding roller; 206. cloth belt; 207. rectangular plate; 208. cross bar; 209. fixing rod; 210. fixing plate; 211. first spring; 3. limiting mechanism; 301. hollow block; 302. partition; 303. second spring; 304. connecting block; 305. rectangular rod; 306. latch; 307. connecting handle; 4. plug rod; 5. vertical plate; 6. adjusting rod; 7. clamping plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1 and Figure 4The utility model provides a technical solution: a reversible clamp structure of a cold heading machine includes a rotating mechanism 1, the rotating mechanism 1 includes a housing 101, a first motor 102 is fixedly connected to the right side of the housing 101, a worm 103 is fixedly connected to the output end of the first motor 102, a worm wheel 104 is meshed at the bottom of the worm 103, and a rotating shaft 105 is fixedly connected to the front of the worm wheel 104; by setting the rotating mechanism 1, the first motor 102 is started, the first motor 102 drives the worm 103 to rotate, and the worm 103 drives The worm gear 104 rotates, and the worm gear 104 drives the rotating shaft 105 to rotate, and the rotating shaft 105 drives the clamping mechanism 2 to rotate, and the clamping mechanism 2 drives the limiting mechanism 3 to rotate, so that the material can be rotated, which is convenient for driving the material to be turned over; the left side of the worm 103 is movably connected to the shell 101 through the first bearing, and the front side of the inner cavity of the shell 101 is movably connected to the rotating shaft 105 through the second bearing. A circular hole is opened on the front side of the shell 101. By setting the second bearing, the operation of the rotating shaft 105 is stabilized and the rotating shaft 105 is limited.

[0025] See also Figure 1 and Figure 2 A clamping mechanism 2 is provided on the front of the shell 101, and the clamping mechanism 2 includes a box body 201, and the back of the box body 201 is fixedly connected to the rotating shaft 105. A second motor 202 is fixedly connected to the top of the box body 201, and a driving gear 203 is fixedly connected to the output end of the second motor 202, and a driven gear 204 is meshed on the right side of the driving gear 203. The bottoms of the driving gear 203 and the driven gear 204 are both fixedly connected to a winding roller 205, and a cloth belt 206 is fixedly connected to the surface of the winding roller 205, and a rectangular plate 207 is fixedly connected to one side of the cloth belt 206, and a fixed rod 209 is fixedly connected to one side of the rectangular plate 207. By setting the clamping mechanism 2, the second motor 202 is started, and the second motor 202 drives the driving gear 203 to rotate, and the driving gear 203 drives the driven gear 204 to rotate, which can drive The winding roller 205 rotates, and the winding roller 205 will reel up the cloth belt 206. The cloth belt 206 drives the rectangular plate 207 to move, and the rectangular plate 207 drives the fixed rod 209 to move, which can drive the limit mechanism 3 to move, so as to facilitate the clamping of the material; the front side of the inner wall of the box body 201 is fixedly connected with a cross bar 208, and the surface of the cross bar 208 is slidably connected with the rectangular plate 207. By setting the cross bar 208, the work of the rectangular plate 207 is stabilized, and the rectangular plate 207 is balanced and supported; the front side of the box body 201 is fixedly connected with a fixed plate 210, and both sides of the fixed plate 210 are fixedly connected with a first spring 211, and one side of the first spring 211 is fixedly connected with the fixed rod 209. By setting the fixed plate 210 and the first spring 211, it is convenient to generate a thrust on the fixed rod 209, so as to facilitate the fixed rod 209 to return to its original position;

[0026] See also Figure 1 and Figure 3A limiting mechanism 3 is provided on one side of the fixed rod 209, and the limiting mechanism 3 includes a hollow block 301, a partition 302 is fixedly connected to the central axis of the inner wall of the hollow block 301, and the top and bottom of the partition 302 are fixedly connected to a second spring 303, and one side of the second spring 303 is fixedly connected to a connecting block 304, and one side of the connecting block 304 is fixedly connected to a latch 306, and the surface of the latch 306 is plugged with an insertion rod 4, and one side of the insertion rod 4 is fixedly connected to a vertical plate 5, and one side of the vertical plate 5 is fixedly connected to an adjusting rod 6, and one side of the adjusting rod 6 is fixedly connected to a clamping plate 7. By setting the limiting mechanism 3, when the clamping plate 7 needs to be replaced, the connecting handle 307 is moved, and the connecting handle 307 drives the connecting block 304 to move, and the connecting block 30 4 drives the latch 306 to move. After the latch 306 is away from the insertion rod 4, the vertical plate 5 is pulled, and the vertical plate 5 drives the insertion rod 4 to move. After the insertion rod 4 is away from the hollow block 301, the disassembly work can be completed, and the corresponding clamping plate 7 can be replaced conveniently; the inner cavity of the connecting block 304 is slidably connected with a rectangular rod 305, and the hollow block 301 on one side of the rectangular rod 305 is fixedly connected. By setting the rectangular rod 305, the operation of the connecting block 304 is stabilized to prevent the connecting block 304 from tilting; a rectangular groove is provided on one side of the hollow block 301, and the inner cavity of the rectangular groove is plugged with the insertion rod 4, and the front side of the connecting block 304 is fixedly connected with a connecting handle 307. By setting the rectangular groove, it is convenient to vertically limit the insertion rod 4, thereby making the insertion rod 4 stable after installation.

[0027] Working principle: by setting the rotating mechanism 1, starting the first motor 102, the first motor 102 drives the worm 103 to rotate, the worm 103 drives the worm wheel 104 to rotate, the worm wheel 104 drives the rotating shaft 105 to rotate, the rotating shaft 105 drives the clamping mechanism 2 to rotate, the clamping mechanism 2 drives the limiting mechanism 3 to rotate, so that the material can be rotated, which is convenient for driving the material to turn over;

[0028] By setting the clamping mechanism 2, starting the second motor 202, the second motor 202 drives the driving gear 203 to rotate, the driving gear 203 drives the driven gear 204 to rotate, and the winding roller 205 can be driven to rotate, the winding roller 205 will reel the cloth belt 206, the cloth belt 206 drives the rectangular plate 207 to move, the rectangular plate 207 drives the fixed rod 209 to move, and the limiting mechanism 3 can be driven to move, so as to facilitate the clamping of the material;

[0029] By setting the limiting mechanism 3, when the clamping plate 7 needs to be replaced, the connecting handle 307 is moved, the connecting handle 307 drives the connecting block 304 to move, the connecting block 304 drives the latch 306 to move, after the latch 306 is away from the insertion rod 4, the vertical plate 5 is pulled, the vertical plate 5 drives the insertion rod 4 to move, after the insertion rod 4 is away from the hollow block 301, the disassembly work can be completed, and the corresponding clamping plate 7 can be replaced conveniently.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reversible clamp structure for a cold heading machine, comprising a rotating mechanism (1), characterized in that: The rotating mechanism (1) comprises a housing (101), a first motor (102) being fixedly connected to the right side of the housing (101), a worm (103) being fixedly connected to the output end of the first motor (102), a worm wheel (104) being meshed at the bottom of the worm wheel (103), and a rotating shaft (105) being fixedly connected to the front side of the worm wheel (104); A clamping mechanism (2) is arranged on the front of the housing (101), the clamping mechanism (2) comprising a box body (201), the back of the box body (201) being fixedly connected to the rotating shaft (105), the top of the box body (201) being fixedly connected to a second motor (202), the output end of the second motor (202) being fixedly connected to a driving gear (203), the right side of the driving gear (203) being meshed with a driven gear (204), the bottoms of the driving gear (203) and the driven gear (204) being fixedly connected to a winding roller (205), the surface of the winding roller (205) being fixedly connected to a cloth belt (206), one side of the cloth belt (206) being fixedly connected to a rectangular plate (207), and one side of the rectangular plate (207) being fixedly connected to a fixing rod (209).

2. The reversible clamp structure of the cold heading machine according to claim 1, characterized in that: A limiting mechanism (3) is provided on one side of the fixed rod (209), the limiting mechanism (3) comprising a hollow block (301), a partition (302) fixedly connected to the center axis of the inner wall of the hollow block (301), a second spring (303) fixedly connected to the top and bottom of the partition (302), a connecting block (304) fixedly connected to one side of the second spring (303), a latch (306) fixedly connected to one side of the connecting block (304), an insertion rod (4) plugged into the surface of the latch (306), a vertical plate (5) fixedly connected to one side of the insertion rod (4), an adjustment rod (6) fixedly connected to one side of the vertical plate (5), and a clamping plate (7) fixedly connected to one side of the adjustment rod (6).

3. The reversible clamp structure of the cold heading machine according to claim 1, characterized in that: The left side of the worm (103) is movably connected to the housing (101) via a first bearing, the front side of the inner cavity of the housing (101) is movably connected to the rotating shaft (105) via a second bearing, and a circular hole is provided on the front side of the housing (101).

4. The reversible clamp structure of the cold heading machine according to claim 1, characterized in that: A cross bar (208) is fixedly connected to the front side of the inner wall of the box body (201), and a surface of the cross bar (208) is slidably connected to the rectangular plate (207).

5. The reversible clamp structure of the cold heading machine according to claim 1, characterized in that: A fixing plate (210) is fixedly connected to the front of the box body (201), first springs (211) are fixedly connected to both sides of the fixing plate (210), and one side of the first spring (211) is fixedly connected to a fixing rod (209).

6. The reversible clamp structure of the cold heading machine according to claim 2, characterized in that: The inner cavity of the connection block (304) is slidably connected to a rectangular rod (305), and a hollow block (301) on one side of the rectangular rod (305) is fixedly connected.

7. The reversible clamp structure of the cold heading machine according to claim 2, characterized in that: A rectangular groove is provided on one side of the hollow block (301), and the inner cavity of the rectangular groove is plugged into the insertion rod (4). A connecting handle (307) is fixedly connected to the front side of the connecting block (304).

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