Cold header for screw production

Abstract

The utility model discloses a cold header for screw production, and relates to the technical field of cold headers. Comprising a cold header body, the cold header body is provided with a feeding mechanism used for screw production and machining, the feeding mechanism comprises a cleaning assembly, the cleaning assembly comprises a mounting support fixed to the side wall of the cold header body, a mounting plate is fixed to the lower end of the mounting support, and the interior of the mounting plate is rotationally connected with a mounting ring; the driving shaft is driven by the motor and then drives the driving gear to rotate, and the driving gear is in meshed connection with the gear block, so that the mounting ring rotates and works in the mounting plate, and when a metal rod for screw machining penetrates through the interior of the mounting ring, the metal rod is driven by the motor to rotate, and the metal rod is driven to rotate. And the brush fixed on the inner wall of the mounting ring automatically cleans impurities on the outer wall of the metal rod, so that the influence of the impurities on the screw machining precision is avoided, and the damage of the impurities to a machining mold in the cold header is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cold header technical field, concretely is a kind of cold header for screw production. BACKGROUND

[0002] Cold header is with mound as main specially used to mass-produce nut bolt etc. fastener special equipment, according to metal plastic deformation theory, under normal temperature to metal blank, exert certain pressure, make it in mould cavity produce plastic deformation, form according to prescribed shape and size.

[0003] Reference patent (publication number: CN221538004U;Publication date: 2024-08-16) discloses a multi-station cold header feeding mechanism, including;Cold header, the side surface of the cold header is fixedly installed with base, the bottom of the cold header is fixedly installed with motor;Feeding mechanism is set to the surface of cold header. Start motor, the output shaft of motor provides power to drive gear rotation, when gear rotates, sliding block is driven to reciprocate on the surface of hard rail, compared with traditional cold header feeding mechanism, feeding mechanism is driven by motor to rotate gear, makes sliding block reciprocate on hard rail, and rod material is intermittently sent into the inside of feed inlet by fixed block clamping, limits the transmission position of raw material rod, improves the precision of processing, also improves processing efficiency, through the above technical scheme, solve the feeding inconvenience in prior art, processing precision is not high, the problem of inaccurate positioning.

[0004] Based on the above patent, metal rod is often attached with impurities, such as dust, oil stains, etc. before entering cold header for processing, which is not convenient for cleaning work, which may affect the processing precision of screw, and there may be rust on the surface of metal rod, which may affect the surface quality of metal rod during processing, and may also cause equipment wear or damage during cold heading process, thereby affecting the finished product quality and production stability of screw, therefore, the utility model provides a kind of cold header for screw production. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of cold header for screw production, solves the problem that metal rod is often attached with impurities, such as dust, oil stains, etc. before entering cold header for processing, which is not convenient for cleaning work, which may affect the processing precision of screw, and there may be rust on the surface of metal rod, which may affect the surface quality of metal rod during processing, and may also cause equipment wear or damage during cold heading process, thereby affecting the finished product quality and production stability of screw.

[0006] In order to achieve the above object, the utility model discloses a cold header for screw production, including cold header main part, be provided with the feeding mechanism for screw production and processing on the cold header main part, and the feeding mechanism includes:

[0007] The cleaning assembly comprises a mounting bracket fixed to the side wall of the cold header main body, a mounting plate fixed to the lower end of the mounting bracket, a mounting ring rotatably connected to the inside of the mounting plate, a plurality of brushes uniformly fixed to the inner wall of the mounting ring, a fixed plate fixed to the lower end of the side wall of the cold header main body, and a drive shaft connected to the upper end of the fixed plate through a drive assembly.

[0008] The polishing assembly comprises a connecting ring fixedly connected to the side wall of the mounting ring, and a grinding block connected to the inside of the connecting ring through a thread assembly.

[0009] Preferably, the drive assembly comprises a motor fixed to the upper end face of the fixed plate, and the drive shaft is fixedly connected to the output end of the motor.

[0010] Preferably, one end of the drive shaft is fixedly connected to a drive gear, the outer wall of the mounting ring is fixedly connected to a tooth block, and the drive gear is in meshing connection with the tooth block.

[0011] Preferably, the thread assembly comprises a telescopic sleeve rod fixedly connected to the inner wall of the connecting ring, the grinding block is fixedly connected to the telescopic end of the telescopic sleeve rod, a screw rod is rotatably connected to the upper end of the grinding block, and the screw rod is in threaded connection with the connecting ring.

[0012] Preferably, the upper end face of the fixed plate is rotatably connected to a support shaft, the top end of the support shaft is fixedly connected to a first conveying shaft, the outer wall of the support shaft is fixedly connected to a worm gear, the outer wall of the drive shaft is fixedly connected to a worm, and the worm is in meshing connection with the worm gear.

[0013] Preferably, the side wall of the cold header main body is fixedly connected to a side plate, the inner wall of the side plate is fixedly connected to an electric push rod, the output end of the electric push rod is fixedly connected to a support frame, and the inside of the support frame is rotatably connected to a second conveying shaft.

[0014] Beneficial effects

[0015] The utility model provides a cold header for screw production, which has the following beneficial effects compared with the prior art:

[0016] The utility model discloses a drive shaft is driven through motor, then drives the drive gear to rotate, and drive gear and tooth block are engaged connection, realize the rotation work of the installation ring in the inside of mounting plate, when the metal stick for screw processing passes through the inside of installation ring, the impurity of the metal stick outer wall is cleaned automatically to the brush fixed in the installation ring, thereby avoiding the influence of impurity on screw processing precision, reduce the damage of impurity to the processing mould in the cold header.

[0017] Second, the utility model when installation ring is rotating, simultaneously drive connecting ring to rotate, then two groups of sanding blocks in the connecting ring interior can carry out the rust polishing work to the outer wall of the metal rod of feed, effectively remove the rust and impurity on the surface of metal rod, improve the surface quality of metal rod, provide better raw material condition for subsequent cold heading processing, and through the polishing and remove the rust and impurity on the surface of metal rod, can avoid these impurities in the cold heading process into the equipment interior, cause the abrasion or damage of equipment, and the screw rod on the rotating connecting ring makes the sanding block along the telescopic sleeve rod and telescopes, according to the diameter of metal rod and is adjustable, enhance the applicability of equipment, so that the same cold header can handle different diameter metal rod, need not replace additional parts or adjust equipment structure. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram for the utility model;

[0019] Figure 2 It is first conveying shaft connecting structure schematic diagram for the utility model;

[0020] Figure 3 It is installation ring connecting structure schematic diagram for the utility model;

[0021] Figure 4 It is connecting ring internal structure schematic diagram for the utility model.

[0022] In the drawing: 1, cold header main part;2, mounting support;201, mounting plate;202, installation ring;203, brush;204, tooth block;3, fixed plate;301, motor;302, drive shaft;303, drive gear;4, connecting ring;401, screw rod;402, telescopic sleeve rod;403, sanding block;5, support shaft;501, first conveying shaft;502, worm wheel;503, worm;6, side plate;601, electric push rod;602, support frame;603, second conveying shaft. DETAILED DESCRIPTION

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0024] Please refer to Figures 1-4 The present application provides a technical solution: a cold header for screw production, comprising a cold header main body 1, a feeding mechanism for screw production and processing is arranged on the cold header main body 1, and the feeding mechanism comprises:

[0025] The cleaning assembly comprises a mounting bracket 2 fixed on the side wall of the cold header main body 1, a mounting plate 201 is fixed at the lower end of the mounting bracket 2, a mounting ring 202 is rotatably connected inside the mounting plate 201, a plurality of brushes 203 are uniformly fixed on the inner wall of the mounting ring 202, a fixed plate 3 is fixed at the lower end of the side wall of the cold header main body 1, and a driving shaft 302 connected by a driving assembly is arranged at the upper end of the fixed plate 3;

[0026] The polishing assembly comprises a connecting ring 4 fixedly connected to the side wall of the mounting ring 202, and a grinding block 403 connected by a thread assembly is arranged inside the connecting ring 4.

[0027] In the preferred embodiment, the driving assembly comprises a motor 301 fixed on the upper end face of the fixed plate 3, the driving shaft 302 is fixedly connected to the output end of the motor 301, a driving gear 303 is fixed to one end of the driving shaft 302, a tooth block 204 is fixed to the outer wall of the mounting ring 202, the driving gear 303 is in meshing connection with the tooth block 204, the driving shaft 302 is driven by the motor 301, and then drives the driving gear 303 to rotate, and the driving gear 303 is in meshing connection with the tooth block 204, so that the mounting ring 202 rotates in the inside of the mounting plate 201, when the metal rod for screw processing passes through the inside of the mounting ring 202, the brushes 203 fixed on the inner wall of the mounting ring 202 automatically clean the impurities on the outer wall of the metal rod, thereby avoiding the influence of impurities on the processing precision of the screw, and reducing the damage of impurities to the processing die inside the cold header.

[0028] In the preferred implementation, the threaded assembly includes a telescopic sleeve rod 402 fixedly connected to the inner wall of the connecting ring 4, and the abrasive block 403 is fixedly connected to the telescopic end of the telescopic sleeve rod 402. The upper end of the abrasive block 403 is rotatably connected with the screw rod 401, and the screw rod 401 is in threaded connection with the connecting ring 4. When the mounting ring 202 is rotating, the connecting ring 4 is also rotating, and then the two groups of abrasive blocks 403 inside the connecting ring 4 can polish the outer wall of the metal rod to effectively remove the rust and impurities on the surface of the metal rod, thereby improving the surface quality of the metal rod and providing better raw material conditions for subsequent cold heading processing. In addition, the rust and impurities on the surface of the metal rod can be removed by polishing, which can avoid the impurities entering the equipment during the cold heading process, thereby avoiding the abrasion or damage to the equipment. Rotating the screw rod 401 on the connecting ring 4 makes the abrasive block 403 extend and retract along the telescopic sleeve rod 402, which can be adjusted according to the diameter of the metal rod, thereby enhancing the applicability of the equipment and allowing the same cold heading machine to process metal rods of different diameters without the need to replace additional parts or adjust the structure of the equipment.

[0029] In the preferred implementation, the upper end surface of the fixed plate 3 is rotatably connected with the support shaft 5, the top end of the support shaft 5 is fixedly connected with the first conveying shaft 501, the outer wall of the support shaft 5 is fixedly connected with the worm gear 502, the outer wall of the drive shaft 302 is fixedly connected with the worm 503, the worm 503 is in meshing connection with the worm gear 502, the side wall of the cold heading machine body 1 is fixedly connected with the side plate 6, the inner wall of the side plate 6 is fixedly connected with the electric push rod 601, the output end of the electric push rod 601 is fixedly connected with the support frame 602, the inside of the support frame 602 is rotatably connected with the second conveying shaft 603, the first conveying shaft 501 is rotatably driven by the meshing transmission of the worm gear 502 and the worm 503 on the outer wall of the support shaft 5, and then the second conveying shaft 603 is telescoped by the electric push rod 601. The raw metal rod is placed between the first conveying shaft 501 and the second conveying shaft 603 to clamp the metal rod. When the first conveying shaft 501 rotates, the metal rod is conveyed to the cold heading machine for processing. The electric push rod 601 can adjust the clamping position, so it can adapt to metal rods of different diameters, thereby improving the flexibility of the equipment.

[0030] Meanwhile, the contents not described in detail in the specification are all prior art known to those skilled in the art.

[0031] When working, the first conveying shaft 501 is driven to rotate by the worm gear 502 and the worm 503 meshing with the outer wall of the supporting shaft 5, then the second conveying shaft 603 is driven to extend and retract by the electric push rod 601, the raw material metal rod is placed between the first conveying shaft 501 and the second conveying shaft 603, the metal rod is clamped, when the first conveying shaft 501 rotates, the metal rod is conveyed to the cold header for processing, then the driving shaft 302 is driven by the motor 301, then the driving gear 303 is driven to rotate, and the driving gear 303 is in meshing connection with the toothed block 204, so that the mounting ring 202 rotates in the inside of the mounting plate 201, when the metal rod for screw processing passes through the inside of the mounting ring 202, the brush 203 fixedly arranged in the inner wall of the mounting ring 202 automatically cleans the impurities on the outer wall of the metal rod, so as to avoid the influence of the impurities on the screw processing precision and reduce the damage of the impurities to the processing die in the cold header;

[0032] Finally, when the mounting ring 202 rotates, the connecting ring 4 is also driven to rotate, then the two groups of abrasive blocks 403 in the connecting ring 4 can polish the rust on the outer wall of the metal rod, effectively remove the rust and impurities on the surface of the metal rod, improve the surface quality of the metal rod, provide better raw material conditions for subsequent cold heading processing, and the rust and impurities on the surface of the metal rod can be removed by polishing, so as to avoid that these impurities enter the equipment during the cold heading process and cause wear or damage to the equipment, and the screw rod 401 on the rotating connecting ring 4 drives the abrasive blocks 403 to extend and retract along the telescopic sleeve rod 402, so that the diameter of the metal rod can be adjusted and used, and the applicability of the equipment is enhanced.

[0033] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article, or equipment.

[0034] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A cold header for screw production comprising a cold header body (1), characterized in that: The cold header body (1) is provided with a feeding mechanism for screw production and processing, and the feeding mechanism comprises: The cleaning assembly comprises an installation support (2) fixed on the side wall of the cold header body (1), a mounting plate (201) is fixed at the lower end of the installation support (2), an installation ring (202) is rotatably connected in the mounting plate (201), a plurality of brushes (203) are uniformly fixed on the inner wall of the installation ring (202), a fixed plate (3) is fixed at the lower end of the side wall of the cold header body (1), and a driving shaft (302) connected by a driving assembly is arranged at the upper end of the fixed plate (3). The polishing assembly comprises a connecting ring (4) fixedly connected to the side wall of the installation ring (202), and a grinding block (403) connected by a screw assembly is arranged in the connecting ring (4).

2. A cold header for screw production according to claim 1, characterized in that: The driving assembly comprises a motor (301) fixed on the upper end face of the fixed plate (3), and the driving shaft (302) is fixedly connected to the output end of the motor (301).

3. A cold header for screw production as claimed in claim 1, characterized in that: One end of the driving shaft (302) is fixedly connected with a driving gear (303), the outer wall of the installation ring (202) is fixedly connected with a tooth block (204), and the driving gear (303) is in meshing connection with the tooth block (204).

4. A cold header for screw production as claimed in claim 1, characterized in that: The screw assembly comprises a telescopic sleeve rod (402) fixedly connected to the inner wall of the connecting ring (4), the grinding block (403) is fixedly connected to the telescopic end of the telescopic sleeve rod (402), a screw rod (401) is rotatably connected to the upper end of the grinding block (403), and the screw rod (401) is in screw connection with the connecting ring (4).

5. A cold header for screw production as claimed in claim 1, characterized in that: The upper end face of the fixed plate (3) is rotatably connected with a supporting shaft (5), the top end of the supporting shaft (5) is fixedly connected with a first conveying shaft (501), the outer wall of the supporting shaft (5) is fixedly connected with a worm gear (502), the outer wall of the driving shaft (302) is fixedly connected with a worm (503), and the worm (503) is in meshing connection with the worm gear (502).

6. A cold header for screw production as claimed in claim 1, characterized in that: The side wall of the cold header body (1) is fixedly connected with a side plate (6), the inner wall of the side plate (6) is fixedly connected with an electric push rod (601), the output end of the electric push rod (601) is fixedly connected with a support frame (602), and the inner wall of the support frame (602) is rotatably connected with a second conveying shaft (603).

Images