Cold header with position adjusting function

By introducing a combination structure of movable rods, rotating plates, and pulleys into the cold heading machine, the problem of needing to change molds in existing cold heading machines has been solved, enabling flexible processing of parts of different sizes and reducing operational complexity and costs.

CN223888878UActive Publication Date: 2026-02-10GUANGZHOU GAOTE ELECTRONIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520388311.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2026-02-10
Estimated Expiration
2035-03-07

AI Technical Summary

Technical Problem

Existing cold heading machines require mold changes when processing parts of different sizes, which is cumbersome and costly.

Method used

By introducing a combination structure of movable rod, rotating plate, pulley and threaded sleeve into the cold heading machine, the position adjustment of the upper and lower dies can be realized, avoiding die replacement and adapting to the processing of parts of different sizes.

Benefits of technology

It enables the processing of parts of different sizes without changing molds, reducing operational complexity and production costs, and improving processing flexibility and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cold header with a position adjusting function, which relates to the technical field of cold heading equipment and comprises an upper die, a through hole is formed in the center of the inner wall of the upper die, a movable rod is movably sleeved on the inner wall of the through hole, a rotating plate is sleeved on the upper position of the outer wall of the movable rod in a threaded manner, a lower die is arranged below the upper die, and the lower die is connected with the rotating plate in a threaded manner. And the inner wall of the lower mold is movably sleeved with a limiting plate. The first belt pulley, the second belt pulley and the threaded sleeve are matched with one another to drive the lifting plate to move and adjust the position of the lifting plate, so that the space size of the lower die can be adjusted, and the space size of the interior of the upper die can be adjusted by rotating the rotating plate and adjusting the position of the movable rod. Therefore, parts of different sizes can be machined and used, the die does not need to be replaced, the workload of workers is reduced, meanwhile, the production cost is reduced to a certain extent, operation is easy, and use is convenient and fast.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cold heading equipment technical field, concretely is a cold header with position adjusting function. BACKGROUND

[0002] Cold heading, namely using mould to cold heading (usually local cold heading) of metal bar material at normal temperature, usually used to manufacture the head of screw, bolt, rivet etc., can reduce or replace cutting processing, cold heading usually selects corresponding cold heading die, installs the upper die of cold heading die on the heading, and installs the lower die of cold heading die on the workbench, clamps the bar material through the lower die, and the heading of cold heading machine drives the upper die to slide towards the lower die to cold heading the bar material.

[0003] The cold header in the prior art can only process and use one size of parts when processing parts, and the die of the cold header needs to be replaced when other size of parts needs to be processed, which is more cumbersome and has high production cost, and is inconvenient to use. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing a cold header with position adjusting function to solve the technical problems in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a cold header with position adjusting function, comprising an upper die, a through hole is formed in the inner wall of the upper die at the center position, and an activity rod is movably sleeved on the inner wall of the through hole, a rotating plate is threadedly sleeved on the upper position of the outer wall of the activity rod, a lower die is arranged below the upper die, a limiting plate is movably sleeved on the inner wall of the lower die, a threaded sleeve is movably connected to the bottom end of the inner wall of the lower die below the limiting plate, a lifting plate is threadedly sleeved on the top end of the threaded sleeve, a first belt pulley is fixedly sleeved on the bottom end of the outer wall of the threaded sleeve, a fixed seat is fixedly connected to the bottom end of the lower die, a motor is fixedly installed on the upper surface of the fixed seat, a second belt pulley is connected to the output end of the motor through a shaft coupling, two groups of openings are formed in the surface of the lower die, and a belt is movably sleeved on the inner wall of the openings.

[0006] Through the above technical scheme, the activity rod can be lifted by rotating the rotating plate, the position of the activity rod is adjusted, the size of the inside of the upper die is adjusted, the second belt pulley is rotated by the motor, the first belt pulley is rotated by the second belt pulley through the belt, the threaded sleeve is rotated by the first belt pulley, the lifting plate is moved by the threaded sleeve, the position of the lifting plate is adjusted, and the size of the inside of the lower die is adjusted.

[0007] Further, the lower mold inner wall top end symmetrically opens two groups of sliding grooves, the lower mold inner wall symmetrically opens two groups of limiting grooves connected with the sliding grooves, and the limiting plate outer wall symmetrically fixedly connects the sliding blocks matched with the sliding grooves and the limiting grooves.

[0008] By adopting the above technical scheme, the sliding blocks can be positioned through the sliding grooves, and the limiting plate can be limited through the limiting grooves, so that the position of the limiting plate is fixed.

[0009] Further, the limiting plate upper surface symmetrically opens two groups of grooves, and a through groove is arranged between the two groups of grooves at the center position of the limiting plate surface.

[0010] By adopting the above technical scheme, the limiting plate is sleeved on the part outer wall through the through groove, so that the part is conveniently separated, and different sizes of parts are conveniently machined.

[0011] Further, the upper mold outer wall top end fixedly sleeves an installation plate, the installation plate upper surface symmetrically fixedly connects four groups of supporting rods, the four groups of supporting rods top ends fixedly connect a connecting plate, the movable rod top end fixedly connects a square block, the connecting plate surface opens a square groove matched with the square block, and the square block top end fixedly connects a limiting block in contact with the connecting plate upper surface.

[0012] By adopting the above technical scheme, the installation plate and the connecting plate are connected through the supporting rods, the movable rod is moved through the square block and the square groove, and the movable rod is limited through the limiting block.

[0013] Further, the rotating plate is movably connected with the installation plate, the rotating plate outer wall symmetrically fixedly connects a plurality of connecting blocks, and the plurality of connecting blocks upper surface fixedly connects a lever.

[0014] By adopting the above technical scheme, the rotating plate is driven to rotate through the lever and the connecting block, so that the position of the movable rod is adjusted, and different sizes of parts are conveniently machined.

[0015] Further, the lifting plate outer wall symmetrically fixedly connects a fixed rod, the fixed rod bottom end fixedly connects a dovetail block, and the lower mold inner wall symmetrically opens two groups of dovetail grooves matched with the dovetail block.

[0016] By adopting the above technical scheme, the lifting plate is limited through the dovetail block and the dovetail groove, so that the position of the lifting plate is adjusted, and different sizes of parts are conveniently machined.

[0017] In summary, the present invention has the following advantages: the present invention uses the cooperation between the first pulley, the second pulley, and the threaded sleeve to move the lifting plate, and adjust the position of the lifting plate to adjust the size of the lower mold space. By rotating the rotating plate and adjusting the position of the movable rod, the size of the upper mold space can be adjusted, so that parts of different sizes can be processed and used without changing the mold. This reduces the workload of the workers and also reduces the production cost to a certain extent. The operation is simple and convenient. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is an exploded view of the overall structure of this utility model;

[0020] Figure 3 This is an exploded view of the upper mold of this utility model from below;

[0021] Figure 4 For the present utility model Figure 2 A partial structural diagram at point A in the middle;

[0022] Figure 5 For the present utility model Figure 2 A schematic diagram of the partial structure at point B in the middle.

[0023] In the diagram: 100, Upper mold; 110, Mounting plate; 1101, Support rod; 1102, Connecting plate; 1103, Square groove; 111, Movable rod; 1111, Square block; 1112, Limiting block; 112, Rotating plate; 1121, Connecting block; 1122, Toggle rod; 113, Lower mold; 1131, Slide groove; 1132, Limiting groove; 114, Limiting plate; 1141, Through groove; 1142, Slotted; 1143, Slider; 115, Threaded sleeve; 1151, Lifting plate; 1152, First pulley; 116, Fixed rod; 1161, Dovetail block; 117, Fixed seat; 1171, Motor; 1172, Second pulley; 118, Belt. Detailed Implementation

[0024] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0025] The embodiments of this utility model will be described below based on its overall structure.

[0026] A cold heading machine with position adjustment function, such asFigures 1-5 As shown, including the upper die 100, the upper die 100 inner wall center position is provided with a through hole, and the through hole inner wall movably sleeved with a movable rod 111, the movable rod 111 outer wall close to the upper position is threadedly sleeved with a rotating plate 112, by rotating the rotating plate 112, through the rotating plate 112 can drive the movable rod 111 to use, adjust the position of the movable rod 111, so as to facilitate the adjustment of the size of the inside of the upper die 100;

[0027] As shown, the lower die 113 is provided below the upper die 100, the lower die 113 inner wall movably sleeved with a limiting plate 114, the lower die 113 inner wall bottom end is movably connected below the limiting plate 114 with a threaded sleeve 115, the threaded sleeve 115 top end inner wall is threadedly sleeved with a lifting plate 1151, through the threaded sleeve 115 can drive the lifting plate 1151 to move, so as to facilitate the adjustment of the position of the lifting plate 1151, the inside size of the lower die 113 is adjusted and used;

[0028] As shown, the threaded sleeve 115 outer wall bottom end is fixedly sleeved with a first pulley 1152, the lower die 113 bottom end is fixedly connected with a fixed seat 117, the fixed seat 117 upper surface is fixedly installed with a motor 1171, the motor 1171 output end is connected with a second pulley 1172 through a shaft coupling, the lower die 113 surface is provided with two groups of openings, and the opening inner wall movably sleeved with a belt 118, the belt 118 is sleeved on the outer wall of the first pulley 1152 and the second pulley 1172, the motor 1171 drives the second pulley 1172 to rotate, the second pulley 1172 drives the first pulley 1152 to rotate through the belt 118, so that the threaded sleeve 115 can be driven to rotate by the first pulley 1152.

[0029] In some examples, please refer to Figure 2 , the lower die 113 inner wall top end is symmetrically provided with two groups of sliding grooves 1131, the lower die 113 inner wall is symmetrically provided with two groups of limiting grooves 1132 communicated with the sliding grooves 1131, the limiting plate 114 outer wall is symmetrically fixedly connected with the sliding block 1143 matched with the sliding grooves 1131 and the limiting grooves 1132, through the setting of the sliding groove 1131, the sliding block 1143 can be positioned, through the limiting groove 1132, the limiting plate 114 can be limited to use, so as to facilitate the fixation of the position of the limiting plate 114.

[0030] In some examples, please refer to Figure 2 , the limiting plate 114 upper surface is symmetrically provided with two groups of grooves 1142, through the groove 1142, the limiting plate 114 can be conveniently driven to rotate;

[0031] Exemplarily, a through groove 1141 is arranged at the center of the surface of the limiting plate 114 between the two groups of slotted holes 1142. The through groove 1141 facilitates the sleeving of the limiting plate 114 on the outer wall of the part, thereby facilitating the separation of the parts, and facilitating the processing and use of parts of different sizes.

[0032] In some examples, referring to Figure 1 , Figure 2 , Figure 3 , the outer wall of the upper mold 100 is fixedly sleeved with a mounting plate 110 at the top end. The upper surface of the mounting plate 110 is fixedly connected with four groups of supporting rods 1101. The top end of the four groups of supporting rods 1101 is fixedly connected with a connecting plate 1102. The supporting rods 1101 can be used to connect the mounting plate 110 and the connecting plate 1102.

[0033] Exemplarily, the top end of the movable rod 111 is fixedly connected with a square block 1111. The surface of the connecting plate 1102 is provided with a square groove 1103 matched with the square block 1111. The square block 1111 and the square groove 1103 facilitate the movement of the movable rod 111.

[0034] Exemplarily, the top end of the square block 1111 is fixedly connected with a limiting block 1112 in contact with the upper surface of the connecting plate 1102. The limiting block 1112 can be used to limit the movable rod 111.

[0035] In some examples, referring to Figure 2 and Figure 4 , the rotating plate 112 is movably connected with the mounting plate 110. The outer wall of the rotating plate 112 is fixedly connected with a plurality of connecting blocks 1121. The upper surface of the plurality of connecting blocks 1121 is fixedly connected with a lever 1122. The lever 1122 and the connecting block 1121 can drive the rotating plate 112 to rotate, thereby facilitating the adjustment of the position of the movable rod 111, and facilitating the processing of parts of different sizes.

[0036] In some examples, referring to Figure 2 and Figure 5 , the outer wall of the lifting plate 1151 is fixedly connected with a fixed rod 116. The bottom end of the fixed rod 116 is fixedly connected with a dovetail block 1161. The inner wall of the lower mold 113 is symmetrically provided with two groups of dovetail grooves matched with the dovetail block 1161. The dovetail block 1161 and the dovetail groove can limit the lifting plate 1151, thereby facilitating the adjustment of the position of the lifting plate 1151, and facilitating the processing of parts of different sizes.

[0037] The working principle of the utility model is as follows: when in use, the limiting plate 114 is placed inside the lower mold 113, the sliding block 1143 is clamped into the inner wall of the sliding groove 1131, then the limiting plate 114 is rotated, the limiting plate 114 is fixed and used by the limiting groove 1132, the motor 1171 is started, the motor 1171 drives the second belt pulley 1172 to rotate, the first belt pulley 1152 is driven to rotate by the second belt pulley 1172 cooperating with the belt 118, the threaded sleeve 115 is driven to rotate by the first belt pulley 1152, the lifting plate 1151 is driven to lift by the threaded sleeve 115, the position of the lifting plate 1151 is adjusted so as to conveniently adjust the internal space of the lower mold 113;

[0038] Further, the rotating plate 112 is driven to rotate by the driving of the connecting block 1121 cooperating with the driving rod 1122, the movable rod 111 is driven to lift under the action force of the rotating plate 112, the position of the movable rod 111 is adjusted, the space size inside the upper mold 100 is adjusted, different size parts are conveniently machined and used, the mold does not need to be replaced and used, the operation is simple, and the use is convenient.

[0039] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A cold heading machine with position adjustment function, comprising an upper mold (100), characterized in that: A through hole is provided at the center of the inner wall of the upper mold (100), and a movable rod (111) is movably fitted on the inner wall of the through hole. A rotating plate (112) is threadedly fitted on the upper part of the outer wall of the movable rod (111). A lower mold (113) is provided below the upper mold (100). A limiting plate (114) is movably fitted on the inner wall of the lower mold (113). A threaded sleeve (115) is movably connected to the bottom end of the inner wall of the lower mold (113) below the limiting plate (114). A lifting plate (1151) is threadedly fitted on the inner wall of the top end of the threaded sleeve (115). The bottom of the outer wall of the threaded sleeve (115) is fixedly fitted with a first pulley (1152). The bottom of the lower mold (113) is fixedly connected with a fixed seat (117). A motor (1171) is fixedly installed on the upper surface of the fixed seat (117). The output end of the motor (1171) is connected to a second pulley (1172) through a coupling. The surface of the lower mold (113) has two sets of openings, and a belt (118) is movably fitted on the inner wall of the opening. The belt (118) is fitted on the outer wall of the first pulley (1152) and the second pulley (1172).

2. A cold heading machine with position adjustment function according to claim 1, characterized in that: The lower mold (113) has two sets of sliding grooves (1131) symmetrically opened at the top of its inner wall. The lower mold (113) has two sets of limiting grooves (1132) symmetrically opened at its inner wall, which are connected to the sliding grooves (1131). The limiting plate (114) has sliders (1143) symmetrically fixedly connected to the outer wall, which are matched with the sliding grooves (1131) and the limiting grooves (1132).

3. A cold heading machine with position adjustment function according to claim 1, characterized in that: The upper surface of the limiting plate (114) is symmetrically provided with two sets of slots (1142), and a through slot (1141) is provided at the center of the surface of the limiting plate (114) between the two sets of slots (1142).

4. A cold heading machine with position adjustment function according to claim 1, characterized in that: An installation plate (110) is fixedly sleeved on the top of the outer wall of the upper mold (100). Four sets of support rods (1101) are symmetrically fixedly connected to the upper surface of the installation plate (110). A connecting plate (1102) is fixedly connected to the top of the four sets of support rods (1101). A square block (1111) is fixedly connected to the top of the movable rod (111). A square groove (1103) matching the square block (1111) is opened on the surface of the connecting plate (1102). A limiting block (1112) that contacts the upper surface of the connecting plate (1102) is fixedly connected to the top of the square block (1111).

5. A cold heading machine with position adjustment function according to claim 1, characterized in that: The rotating plate (112) is movably connected to the mounting plate (110). Multiple sets of connecting blocks (1121) are symmetrically fixedly connected to the outer wall of the rotating plate (112). A lever (1122) is fixedly connected to the upper surface of the multiple sets of connecting blocks (1121).

6. A cold heading machine with position adjustment function according to claim 1, characterized in that: The outer wall of the lifting plate (1151) is symmetrically fixedly connected with a fixing rod (116), and the bottom end of the fixing rod (116) is fixedly connected with a dovetail block (1161). The inner wall of the lower mold (113) is symmetrically provided with two sets of dovetail grooves that match the dovetail block (1161).