CN222268556U - A cold heading machine for producing nuts and bolts - Google Patents
A cold heading machine for producing nuts and bolts Download PDFInfo
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- CN222268556U CN222268556U CN202420721450.9U CN202420721450U CN222268556U CN 222268556 U CN222268556 U CN 222268556U CN 202420721450 U CN202420721450 U CN 202420721450U CN 222268556 U CN222268556 U CN 222268556U
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 238000004080 punching Methods 0.000 claims description 18
- 238000001125 extrusion Methods 0.000 claims description 13
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 230000002950 deficient Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of cold heading machines and provides a cold heading machine for nut and bolt production, which comprises a machine body, wherein the top end of the machine body is fixedly connected with a lower clamping plate, the top end of the lower clamping plate is clamped with an upper clamping plate, one sides of the lower clamping plate and the upper clamping plate are fixedly connected with connecting pieces, the two connecting pieces are rotationally connected, and stamping part clamping assemblies are arranged in the lower clamping plate and the upper clamping plate.
Description
Technical Field
The utility model relates to the technical field of cold heading machines, in particular to a cold heading machine for nut and bolt production.
Background
The cold header is special equipment mainly used for mass production of fasteners such as nuts and bolts. The high pressure is applied to the metal material through the die to make the metal generate plastic deformation, so that various precision parts such as standard fasteners of bolts, nuts, screws and the like are manufactured rapidly. The working principle of the cold header is that a die is used for applying high pressure on a metal material, so that the metal material is subjected to plastic deformation in a die cavity to form a specified shape and size. This processing method does not require heating of the metal material, thereby saving energy and reducing environmental pollution. The inside of the cold header is additionally provided with stamping modules, and the stamping modules with different shapes can produce bolts and nuts with different shapes.
The traditional cold header is not easy to quickly replace the stamping module, meanwhile, the clamping stability of the stamping module is low, and when the stamping module is impacted greatly, the stamping module is easy to demould, so that the effect of bolt production is affected, and defective products and even scrap are produced. For this reason propose a nut bolt production with cold heading machine, through the lower plate that can splice with punch holder and first spring coupling's extrusion stem in order to solve above-mentioned problem.
Disclosure of utility model
The utility model provides a cold header for nut and bolt production, which solves the problems that a stamping module is not easy to replace and the clamping of the stamping module is unstable.
The technical scheme of the utility model is as follows:
The utility model provides a cold heading machine is used in nut bolt production, includes the organism, the top fixedly connected with lower plate of organism, the top joint of lower plate has the punch holder, the lower plate with one side of punch holder is equal fixedly connected with connecting piece, two rotate between the connecting piece and be connected, the lower plate with the inside of punch holder is equipped with stamping workpiece clamping assembly, stamping workpiece clamping assembly including set up in the lower plate with the centre gripping groove of punch holder one side, the lower plate with the arc wall has been seted up to the inside of punch holder, the inside sliding connection of arc wall has the slide bar, one side fixedly connected with extrusion rod of slide bar, the extrusion rod runs through the centre gripping groove.
Preferably, the extrusion rod is provided with a plurality of first springs which are arranged in an annular equidistant manner, and the stamping part clamping assembly further comprises first springs sleeved at the outer end of the sliding rod, and the first springs are fixedly connected to the inner part of the arc-shaped groove.
Preferably, the stamping part clamping assembly further comprises fixing pieces fixedly connected to one side of the lower clamping plate and one side of the upper clamping plate, fixing bolts are connected between the two fixing pieces in a threaded mode, and the stamping modules are clamped in the clamping grooves.
Preferably, the inside of organism has seted up the connecting hole, the connecting hole with centre gripping groove position corresponds, the inside sliding connection of punching press module has the butt pole, the butt pole is H shape, the one end fixedly connected with guide arm of butt pole, guide arm sliding connection in the inside of connecting hole.
Preferably, a second spring is fixedly connected between the connecting hole and the guide rod, a guide hole is formed in the machine body, the guide hole is communicated with the connecting hole, and the guide rod is in sliding connection with the guide hole.
Preferably, one side of the machine body is rotationally connected with a stamping plate, the top end of the stamping plate is clamped with an assembling plate, clamping grooves are formed in the top end of the stamping plate and the bottom end of the assembling plate, and bolts are connected between the stamping plate and the assembling plate in a threaded mode.
The working principle and the beneficial effects of the utility model are as follows:
1. According to the utility model, the upper clamping plate can be turned over through the connecting piece at the outer side of the lower clamping plate and the upper clamping plate, so that the stamping module clamped inside the lower clamping plate and the upper clamping plate is convenient to replace, the operation is simple and convenient, meanwhile, the pressing plate can be enabled to collide with the stamping module inside the clamping groove by the pressure generated by the first spring, the stamping module and the machine body are prevented from loosening in the processing process, the stamping module is prevented from being separated from the interior of the machine body, the processing effect of bolts and nuts is prevented from being influenced, and the output of defective products and scrapped products is reduced.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the lower and upper clamping plates of the present utility model;
FIG. 3 is a schematic view showing the internal structure of the upper clamping plate of the present utility model;
FIG. 4 is a side view of the present utility model;
Fig. 5 is a schematic view of the internal structure of the body of the present utility model.
The device comprises a machine body 1, a lower clamping plate 2, a connecting piece 3, an upper clamping plate 4, a stamping part clamping assembly 5, a clamping groove 502, an arc-shaped groove 503, a sliding rod 504, a squeezing rod 505, a first spring 506, a fixing piece 6, a stamping module 7, a connecting hole 8, a supporting rod 9, a guide rod 10, a second spring 11, a guide hole 12, a stamping plate 13 and a assembling plate.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1-3, a cold header is used in nut bolt production, which comprises a machine body 1, the top fixedly connected with lower plate 2 of organism 1, the top joint of lower plate 2 has punch holder 4, one side of lower plate 2 and punch holder 4 is all fixedly connected with connecting piece 3, rotate between two connecting pieces 3 and be connected, the inside of lower plate 2 and punch holder 4 is equipped with stamping workpiece clamping assembly 5, stamping workpiece clamping assembly 5 is including the grip slot 501 of seting up in lower plate 2 and punch holder 4 one side, arc wall 502 has been seted up with the inside of punch holder 4 to lower plate 2, the inside sliding connection of arc wall 502 has slide bar 503, one side fixedly connected with extrusion rod 504 of slide bar 503, extrusion rod 504 runs through grip slot 501. The aim of this kind of setting is that connecting piece 3 that lower plate 2 and upper plate 4 outer end set up makes things convenient for upper plate 4 to the punching press module 6 of convenient change lower plate 2 and the inside centre gripping of upper plate 4, the centre gripping groove 501 that sets up is used for centre gripping punching press module 6, and the extrusion rod 504 that sets up contradicts the outer end of punching press module 6 and plays the effect of centre gripping, prevents in the course of working that punching press module 6 becomes flexible breaks away from even from the inside of organism 1, influences the machining effect of bolt and nut.
Preferably, the extrusion rod 504 is provided with a plurality of extrusion rods and is arranged in an annular equidistant manner, and the stamping part clamping assembly 5 further comprises a first spring 505 sleeved at the outer end of the sliding rod 503, wherein the first spring 505 is fixedly connected to the inside of the arc-shaped groove 502. The purpose of this arrangement is that the spring force generated by the first spring 505 arranged increases the force with which the press rod 504 grips the press die 6.
Preferably, the stamping part clamping assembly 5 further comprises a fixing piece 506 fixedly connected to one side of the lower clamping plate 2 and one side of the upper clamping plate 4, a fixing bolt is connected between the two fixing pieces 506 in a threaded mode, and the stamping module 6 is clamped in the clamping groove 501. The purpose of this arrangement is that the fixing member 506 is used to fix the lower clamping plate 2 and the upper clamping plate 4, so as to prevent the lower clamping plate 2 and the upper clamping plate 4 from being separated due to impact during the processing, and thus the stamping module 6 inside the lower clamping plate 2 and the upper clamping plate 4 is loose due to falling.
In this embodiment, before the bolt and nut are processed, the upper clamping plate 4 is rotated, the stamping module 6 with a specific shape is placed in the clamping groove 501 at the top end of the lower clamping plate 2, the upper clamping plate 4 is rotated, the fixing piece 506 at the outer end of the lower clamping plate 2 and the upper clamping plate 4 are fixed together by using the fixing bolt, in the process that the upper clamping plate 4 and the lower clamping plate 2 clamp the stamping module 6, the sliding rod 503 at the outer end of the extruding rod 504 slides in the arc-shaped groove 502, meanwhile, the first spring 505 in the arc-shaped groove 502 is compressed, the elastic force generated after the first spring 505 is compressed increases the extruding force of the extruding rod 504 on the outer end of the stamping module 6, so that the stamping module 6 is prevented from being loosened or loosened even loose from the inner parts of the lower clamping plate 2 and the upper clamping plate 4 due to larger impact, and waste of materials caused by processing of the machine body 1 is avoided.
Example 2
As shown in fig. 1 to 5, based on the same concept as that of the above embodiment 1, this embodiment further provides that a connecting hole 7 is formed in the machine body 1, the connecting hole 7 corresponds to the clamping groove 501, a supporting rod 8 is slidably connected to the inside of the punching module 6, the supporting rod 8 is H-shaped, one end of the supporting rod 8 is fixedly connected to a guide rod 9, and the guide rod 9 is slidably connected to the inside of the connecting hole 7. The purpose of this arrangement is that when the bolt inside the punching module 6 is deformed by punching, one end of the bolt contacts one end of the H-shaped abutment bar 8, at which time the abutment bar 8 slides inside the punching module 6, while the other end of the abutment bar 8 drives the guide bar 9 to slide.
Preferably, a second spring 10 is fixedly connected between the connecting hole 7 and the guide rod 9, a guide hole 11 is formed in the machine body 1, the guide hole 11 is communicated with the connecting hole 7, and the guide rod 9 is in sliding connection with the guide hole 11. The aim of this arrangement is that the guide rod 9 slides in the guide hole 11, and the second spring 10 compresses at the same time, after the bolt is formed by stamping, the elastic force generated by the release of the second spring 10 drives the supporting rod 8 to push out the bolt in the stamping module 6, so that the demolding of the bolt is facilitated.
Preferably, one side of the machine body 1 is rotatably connected with a stamping plate 12, the top end of the stamping plate 12 is clamped with an assembling plate 13, clamping grooves are formed in the top end of the stamping plate 12 and the bottom end of the assembling plate 13, and bolts are connected between the stamping plate 12 and the assembling plate 13 in a threaded mode. The purpose of this arrangement is that the arranged stamping plate 12 and the assembly plate 13 are easy to disassemble, so that nut stamping parts with different shapes can be replaced conveniently.
In this embodiment, when the inside punching press deformation of bolt in punching press module 6, the one end of bolt is inconsistent with supporting rod 8 for supporting rod 8 drives guide arm 9 and slides, and second spring 10 compresses simultaneously, and after the punching press was accomplished to the bolt, the nut stamping workpiece and the bolt separation of inside punching press board 12 and package board 13, the elasticity that the release of compressed second spring 10 produced drove supporting rod 8 and will punch module 6 inside bolt ejection, and the convenience drawing of patterns does not need the manual work to take out the bolt, improves the production efficiency of bolt.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a cold heading machine is used in nut bolt production, includes organism (1), its characterized in that, the top fixedly connected with lower plate (2) of organism (1), the top joint of lower plate (2) has punch holder (4), lower plate (2) with equal fixedly connected with connecting piece (3) in one side of punch holder (4), two rotate between connecting piece (3) and be connected, lower plate (2) with the inside of punch holder (4) is equipped with stamping workpiece clamping assembly (5), stamping workpiece clamping assembly (5) including set up in lower plate (2) with centre gripping groove (501) in punch holder (4) one side, lower plate (2) with arc wall (502) have been seted up to the inside of punch holder (4), the inside sliding connection of arc wall (502) has slide bar (503), one side fixedly connected with extrusion rod (504) of slide bar (503), extrusion rod (504) run through centre gripping groove (501).
2. The cold header for nut and bolt production according to claim 1, wherein the extrusion rod (504) is provided with a plurality of extrusion rods and is arranged in an annular equidistant manner, the stamping part clamping assembly (5) further comprises a first spring (505) sleeved at the outer end of the sliding rod (503), and the first spring (505) is fixedly connected to the inside of the arc-shaped groove (502).
3. The cold header for nut and bolt production according to claim 1, wherein the stamping part clamping assembly (5) further comprises a fixing piece (506) fixedly connected to one side of the lower clamping plate (2) and one side of the upper clamping plate (4), a fixing bolt is connected between the two fixing pieces (506) in a threaded manner, and the stamping module (6) is clamped in the clamping groove (501).
4. The cold header for nut and bolt production according to claim 3, wherein a connecting hole (7) is formed in the machine body (1), the connecting hole (7) corresponds to the clamping groove (501), a supporting rod (8) is slidably connected in the punching module (6), the supporting rod (8) is in an H shape, a guide rod (9) is fixedly connected to one end of the supporting rod (8), and the guide rod (9) is slidably connected in the connecting hole (7).
5. The cold header for nut and bolt production according to claim 4, wherein a second spring (10) is fixedly connected between the connecting hole (7) and the guide rod (9), a guide hole (11) is formed in the machine body (1), the guide hole (11) is communicated with the connecting hole (7), and the guide rod (9) is slidably connected with the guide hole (11).
6. The cold header for nut and bolt production according to claim 1, wherein one side of the machine body (1) is rotationally connected with a punching plate (12), the top end of the punching plate (12) is clamped with an assembling plate (13), clamping grooves are formed in the top end of the punching plate (12) and the bottom end of the assembling plate (13), and bolts are connected between the punching plate (12) and the assembling plate (13) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420721450.9U CN222268556U (en) | 2024-04-09 | 2024-04-09 | A cold heading machine for producing nuts and bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420721450.9U CN222268556U (en) | 2024-04-09 | 2024-04-09 | A cold heading machine for producing nuts and bolts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222268556U true CN222268556U (en) | 2024-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420721450.9U Active CN222268556U (en) | 2024-04-09 | 2024-04-09 | A cold heading machine for producing nuts and bolts |
Country Status (1)
| Country | Link |
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| CN (1) | CN222268556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120205726A (en) * | 2025-04-27 | 2025-06-27 | 点山科技(苏州)有限公司 | An intelligent cold heading machine forging die structure for press-riveted fastening connectors that is easy to disassemble and assemble |
-
2024
- 2024-04-09 CN CN202420721450.9U patent/CN222268556U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN120205726A (en) * | 2025-04-27 | 2025-06-27 | 点山科技(苏州)有限公司 | An intelligent cold heading machine forging die structure for press-riveted fastening connectors that is easy to disassemble and assemble |
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