Noise-reduction ventilation cold header

By using a detachable U-shaped and L-shaped plate structure and a scraper drive mechanism, the problems of inconvenient disassembly and assembly of the ventilation mechanism of the cold heading machine and difficulty in removing oil stains from the filter screen are solved, enabling convenient maintenance and efficient oil stain recovery, and improving the ease of equipment maintenance.

CN224157695UActive Publication Date: 2026-04-24ZHEJIANG SHINETOP MACHINERY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG SHINETOP MACHINERY
Filing Date
2025-01-22
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

The ventilation mechanism of the existing cold heading machine is integrated with the protective cover, which is inconvenient to disassemble and install, affecting internal maintenance operations. In addition, the filter screen lacks an efficient scraping mechanism to remove residual oil stains, making replacement inconvenient.

Method used

The design incorporates detachable U-shaped and L-shaped plates, guided by guide plates and guide grooves, with threaded connections of insert rods and locking rings for easy disassembly. A scraper and drive mechanism are included, using an adjusting rod and motor to scrape away oil stains from the filter screen. The filter screen is detachable via a mounting plate and mounting rod, with a mounting base and locking block for convenient replacement.

Benefits of technology

It enables convenient disassembly and assembly of the ventilation mechanism of the cold heading machine, removes oil stains and recycles them, simplifies the replacement process of the filter screen, and improves the maintenance efficiency and ease of use of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224157695U_ABST
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Abstract

The utility model discloses a noise reduction ventilation cold header which comprises a bottom plate, a machine body is arranged on the upper end face of the bottom plate, an L-shaped plate is arranged on the rear side of the upper end face of the bottom plate, a U-shaped plate is arranged on the front side of the upper end face of the bottom plate, the U-shaped plate is detachably arranged relative to the L-shaped plate, and inserting rods are arranged on the left side and the right side of the rear end face of the U-shaped plate. Inserting holes are formed in the positions, corresponding to the two inserting rods, of the L-shaped plate, locking rings are arranged at the outer ends of the two inserting rods, the inserting rods are in threaded connection with the locking rings, a ventilation pipe and an air inlet pipe are arranged on the upper side and the lower side of the rear end face of the L-shaped plate in a penetrating mode correspondingly, a filter box is connected to the rear end of the ventilation pipe, and a filter screen is detachably arranged in the filter box. Supporting legs are arranged at the four corners of the lower end face of the filter box, a first recycling pipe penetrates through the rear side of the lower end face of the filter box, a second recycling pipe penetrates through the front side of the lower end face of the filter box, an exhaust pipe penetrates through the rear end face of the filter box, and due to the design of the U-shaped plate, the machine body can be conveniently overhauled after being disassembled.
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Description

Technical Field

[0001] This utility model relates to the field of cold heading machine technology, and more specifically, it relates to a noise-reducing and ventilated cold heading machine. Background Technology

[0002] Cold heading machines are specialized equipment used for the mass production of fasteners such as nuts and bolts, primarily based on upsetting. Cold heading is a forging method that uses dies to upset metal bars at room temperature. Cold heading is a cold working process that releases a large amount of heat during processing. Furthermore, the cold heading machine requires a large amount of lubricating oil during operation, resulting in a significant amount of oil mist. Therefore, ventilation is necessary during processing. Existing cold heading machines use an integrated protective cover for the ventilation mechanism, which is inconvenient to disassemble and hinders internal maintenance. Additionally, when the ventilation mechanism filters the transmitted oil mist, oil residue remains on the filter screen. The lack of a suitable, efficient, and stable scraping mechanism further complicates the process. Moreover, the filter screen is prone to damage after prolonged use, and replacement is cumbersome. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To address the problems existing in the prior art, this utility model provides a noise-reducing and ventilated cold heading machine, which solves the technical problem mentioned in the background art that the ventilation mechanism of the existing cold heading machine is integrated with a protective cover, making it inconvenient to disassemble and affecting internal maintenance operations.

[0005] (II) Technical Solution

[0006] To achieve the above objectives, this utility model provides the following technical solution: a noise-reducing and ventilated cold heading machine, comprising a base plate, a machine body on the upper surface of the base plate, an L-shaped plate on the rear side of the upper surface of the base plate, and a U-shaped plate on the front side of the upper surface of the base plate. The U-shaped plate is detachably disposed relative to the L-shaped plate. Insert rods are provided on both the left and right sides of the rear end face of the U-shaped plate. Insert holes are provided on the L-shaped plate corresponding to the two insert rods. Locking rings are provided at the outer ends of the two insert rods. The insert rods and locking rings are threadedly connected. Ventilation pipes and air inlet pipes are respectively provided through the upper and lower sides of the rear end face of the L-shaped plate. A filter box is connected to the rear end of the ventilation pipes. A filter screen is detachably disposed inside the filter box. Support legs are provided at the four corners of the lower end face of the filter box. A first recovery pipe is provided through the rear side of the lower end face of the filter box. A second recovery pipe is provided through the front side of the lower end face of the filter box. An exhaust pipe is provided through the rear end face of the filter box.

[0007] The present invention is further configured such that guide plates are symmetrically provided on the upper surface of the base plate, and guide grooves are provided on the bottom end of the U-shaped plate corresponding to the two guide plates to facilitate sliding guidance.

[0008] The present invention is further provided with a scraper slidably provided inside the filter box corresponding to the filter screen, and a driving mechanism provided on the filter box corresponding to the scraper, so as to facilitate the scraping off of residual oil stains on the filter screen.

[0009] The present invention is further configured such that the driving mechanism includes an adjusting rod and an adjusting motor, the adjusting rod is rotatably installed inside the filter box, the adjusting rod is threadedly connected to the scraper, the adjusting rod extends downward through the filter box, and the adjusting motor is connected to the bottom end of the adjusting rod to realize scraper driving.

[0010] The present invention is further configured such that guide rods are symmetrically arranged inside the filter box, and guide holes are opened on the scraper corresponding to the two guide rods to guide the sliding.

[0011] The present invention is further configured such that dust covers are provided on both the air inlet pipe and the air outlet pipe, and the dust covers are threadedly connected to the air inlet pipe and the air outlet pipe to achieve dust protection at the inlet and outlet ends.

[0012] The present invention is further configured such that the upper end face of the filter screen is provided with a mounting plate, the upper end face of the filter box is provided with a mounting groove corresponding to the mounting plate, the mounting plate is symmetrically provided with mounting rods, and the left and right ends of the filter box are provided with mounting seats corresponding to the mounting rods, so as to facilitate the disassembly and assembly of the filter screen.

[0013] The present invention is further configured such that both mounting rods are rotatably mounted on the mounting plate, both mounting seats are provided with locking blocks inside, both mounting rods are provided with grooves corresponding to the locking blocks, and both mounting rods are provided with slots corresponding to the locking blocks on the side away from the grooves, thereby achieving tight mounting.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, this utility model provides a noise-reducing and ventilated cold heading machine, which has the following beneficial effects:

[0016] 1. Through the design of the U-shaped plate, the U-shaped plate is detachable from the L-shaped plate. The guide plate and guide groove cooperate to guide the sliding. The insertion rod and insertion hole cooperate to install and position. The locking ring and insertion rod are threaded to lock the installation, which facilitates the maintenance of the machine body after disassembly.

[0017] 2. Through the design of the scraper, the scraper is slidably set relative to the filter box. The adjustment motor of the drive mechanism drives the adjustment rod to rotate and adjust. The guide rod and the guide hole of the scraper cooperate to guide the scraper to scrape off the oil stains remaining on the filter screen, so that the oil mist can be discharged and the oil stains can be recycled and reused after filtration.

[0018] 3. Through the design of the filter screen, the mounting plate of the filter screen is detachably set with the mounting groove corresponding to the mounting rod. The mounting rod and the mounting base are set to cooperate. The groove on the mounting rod is set to cooperate with the locking block of the mounting base. The locking groove on the mounting rod is set to cooperate with the locking block to achieve a tight fit and facilitate the installation and removal of the filter screen. Attached Figure Description

[0019] Figure 1 A schematic diagram of the preferred overall structure of a noise-reducing and ventilated cold heading machine;

[0020] Figure 2 A schematic diagram of the overall structure of a preferred noise-reducing and ventilated cold heading machine without the U-shaped plate and filter box installed;

[0021] Figure 3 A schematic diagram of a preferred U-shaped plate, insert rod, and locking ring assembly structure for a noise-reducing and ventilated cold heading machine;

[0022] Figure 4 A side sectional view of the internal structure of a filter box without a filter screen, which is a preferred embodiment of a noise-reducing and ventilated cold heading machine;

[0023] Figure 5 A front sectional view of the internal structure of a preferred filter box for a noise-reducing and ventilated cold heading machine;

[0024] Figure 6 A schematic diagram of a preferred scraper structure for a noise-reducing, ventilated cold heading machine.

[0025] In the diagram: 1. Base plate; 2. Body; 3. L-shaped plate; 4. U-shaped plate; 5. Insert rod; 6. Insert hole; 7. Locking ring; 8. Ventilation pipe; 9. Air inlet pipe; 10. Filter box; 11. Filter screen; 12. Support leg; 13. First recovery pipe; 14. Second recovery pipe; 15. Exhaust pipe; 16. Guide plate; 17. Guide groove; 18. Scraper; 19. Adjusting rod; 20. Adjusting motor; 21. Guide rod; 22. Guide hole; 23. Dust cover; 24. Mounting plate; 25. Mounting groove; 26. Mounting rod; 27. Mounting base; 28. Locking block; 29. ​​Groove; 30. Locking slot. Detailed Implementation

[0026] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0027] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0028] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0029] Please see Figures 1-5 A noise-reducing and ventilated cold heading machine includes a base plate 1, a machine body 2 on the upper surface of the base plate 1, an L-shaped plate 3 on the rear side of the upper surface of the base plate 1, and a U-shaped plate 4 on the front side of the upper surface of the base plate 1. The U-shaped plate 4 is detachably mounted relative to the L-shaped plate 3. Insert rods 5 are provided on both the left and right sides of the rear end face of the U-shaped plate 4. Insert holes 6 are provided on the L-shaped plate 3 corresponding to the two insert rods 5. Locking rings 7 are provided on the outer ends of the two insert rods 5. The insert rods 5 and locking rings 7 are threadedly connected. Ventilation pipes 8 and air inlet pipes 9 are respectively provided through the upper and lower sides of the rear end face of the L-shaped plate 3. A filter box 10 is connected to the rear end of the ventilation pipes 8. A filter screen 11 is detachably mounted inside the filter box 10. Support legs 12 are provided at the four corners of the lower end face of the filter box 10. A first recovery pipe 13 is provided through the rear side of the lower end face of the filter box 10. A second recovery pipe 14 is provided through the front side of the lower end face of the filter box 10. An exhaust pipe 15 is provided through the rear end face of the filter box 10.

[0030] In this embodiment, the hinged cover on the U-shaped plate 4 is opened to operate the internal body 2. The U-shaped plate 4 is detached from the L-shaped plate 3. The insertion rod 5 and the insertion hole 6 are installed together. The locking ring 7 and the insertion rod 5 are threaded together to lock the installation, which facilitates the disassembly of the U-shaped plate 4 and facilitates the maintenance of the body 2 on the base plate 1.

[0031] More specifically, outside air enters the interior of the U-shaped plate 4 and L-shaped plate 3 through the air inlet pipe 9, and the oil mist generated by the machine body 2 is transmitted to the interior of the filter box 10 through the ventilation pipe 8. The filter screen 11 filters the oil mist, and the recovered oil is recycled and reused through the first recovery pipe 13 and the second recovery pipe 14. The filtered oil mist is discharged to the outside through the exhaust pipe 15.

[0032] Please see Figure 2 and Figure 3 As one implementation of the U-shaped plate 4: the upper end of the base plate 1 is symmetrically provided with guide plates 16, and the bottom end of the U-shaped plate 4 is provided with guide grooves 17 corresponding to the two guide plates 16.

[0033] Specifically, the guide plate 16 and the guide groove 17 work together to achieve sliding guidance for the installation of the U-shaped plate 4.

[0034] Please see Figure 4 and Figure 6As one implementation method for scraping: a scraper 18 is slidably provided inside the filter box 10 corresponding to the filter screen 11. A driving mechanism is provided on the filter box 10 corresponding to the scraper 18. The driving mechanism includes an adjusting rod 19 and an adjusting motor 20. The adjusting rod 19 is rotatably installed inside the filter box 10. The adjusting rod 19 and the scraper 18 are threadedly connected. The adjusting rod 19 extends downward and passes through the filter box 10. The adjusting motor 20 is connected to the bottom end of the adjusting rod 19. Guide rods 21 are symmetrically provided inside the filter box 10. Guide holes 22 are opened on the scraper 18 corresponding to the two guide rods 21.

[0035] Specifically, the control system built into the control device starts the adjustment motor 20, which drives the adjustment rod 19 to rotate. The adjustment rod 19 and the scraper 18 are threaded together, and the guide rod 21 and the guide hole 22 cooperate to guide. The scraper 18 slides relative to the filter box 10 to scrape off the oil stains on the filter screen 11.

[0036] Please see Figure 2 and Figure 4 As one embodiment of the dust cover 23: both the air inlet pipe 9 and the air outlet pipe 15 are provided with dust covers 23, and the dust covers 23 are threadedly connected to the air inlet pipe 9 and the air outlet pipe 15.

[0037] Specifically, the dust cover 23 provides dust protection for both the air inlet and outlet ends.

[0038] Please see Figure 1 , Figure 4 and Figure 5 As one embodiment of the filter screen 11: the upper end face of the filter screen 11 is provided with a mounting plate 24, the upper end face of the filter box 10 is provided with a mounting groove 25 corresponding to the mounting plate 24, the mounting plate 24 is symmetrically provided with mounting rods 26, the left and right ends of the filter box 10 are provided with mounting seats 27 corresponding to the mounting rods 26, the two mounting rods 26 are rotatably mounted on the mounting plate 24, the two mounting seats 27 are provided with a locking block 28 inside, the two mounting rods 26 are provided with a groove 29 corresponding to the locking block 28, and the side of the two mounting rods 26 away from the groove 29 is provided with a locking slot 30 corresponding to the locking block 28.

[0039] Specifically, the filter screen 11 with the mounting plate 24 is installed in the mounting groove 25, and the mounting rod 26 and the mounting base 27 are installed together. During installation, one side of the groove 29 is installed in conjunction with the locking block 28. After the initial installation is completed, the mounting rod 26 is rotated to rotate one side of the groove 30 to the position of the locking block 28 to lock the installation.

[0040] In summary, the overall equipment is in use:

[0041] When in noise reduction and ventilation mode, the air inlet pipe 9 is connected to the outside air source, and the outside air enters the L-shaped plate 3 and U-shaped plate 4 inside the body 2 to blow away the generated oil mist. The oil mist enters the filter box 10 through the ventilation pipe 8, and the filter screen 11 filters the oil mist.

[0042] When in scraping mode, the control device has its own control system, which starts the adjustment motor 20 of the drive mechanism. The adjustment motor 20 drives the adjustment rod 19 to rotate. The adjustment rod 19 and the scraper 18 are threaded together. The guide rod 21 and the guide hole 22 cooperate to guide. The scraper 18 and the filter screen 11 cooperate to scrape off the oil stains remaining on the filter screen 11. The scraped oil stains are discharged through the first recovery pipe 13 and the second recovery pipe 14 and then recycled for reuse.

[0043] When in maintenance operation mode, if a fault occurs inside the machine body 2, for minor repairs, simply open the cover plate on the U-shaped plate 4. For major repairs, disassemble the U-shaped plate 4, rotate the locking ring 7, and the locking ring 7 and the insertion rod 5 are threaded together. After removing the locking ring 7, remove the U-shaped plate 4 to inspect the internal machine body 2, which facilitates the maintenance operation of the machine body 2. When disassembling and inspecting the filter screen 11, rotate the mounting rod 26 to rotate one side of the groove 29 to the position of the locking block 28, and disassemble the mounting plate 24 and the filter screen 11 as a whole. Install the new mounting plate 24 and the filter screen 11 in the corresponding mounting slot 25. The mounting rod 26 is installed with the groove 29 side and the locking block 28. Rotate the mounting rod 26 to rotate the slot 30 side to the position of the locking block 28 to lock the installation, which facilitates the disassembly and replacement of the filter screen 11.

[0044] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A noise-reducing, ventilated cold heading machine, comprising a base plate (1), wherein a machine body (2) is provided on the upper surface of the base plate (1), characterized in that: The upper end face of the base plate (1) is provided with an L-shaped plate (3) on the rear side, and a U-shaped plate (4) is provided on the front side of the upper end face of the base plate (1). The U-shaped plate (4) is detachably provided relative to the L-shaped plate (3). The rear end face of the U-shaped plate (4) is provided with insert rods (5) on both the left and right sides. The L-shaped plate (3) is provided with insertion holes (6) corresponding to the two insert rods (5). The outer ends of the two insert rods (5) are provided with locking rings (7). The insert rods (5) and the locking rings (7) are threaded together. The rear end face of the L-shaped plate (3) Ventilation pipe (8) and air inlet pipe (9) are respectively provided on the lower two sides. The rear end of the ventilation pipe (8) is connected to a filter box (10). The filter box (10) is equipped with a detachable filter screen (11). The filter box (10) has four support legs (12) at the four corners of the lower end face. The rear side of the lower end face of the filter box (10) is provided with a first recovery pipe (13). The front side of the lower end face of the filter box (10) is provided with a second recovery pipe (14). The rear end face of the filter box (10) is provided with an exhaust pipe (15).

2. The noise-reducing, ventilated cold heading machine according to claim 1, characterized in that: The bottom plate (1) is symmetrically provided with guide plates (16) on its upper end, and the bottom end of the U-shaped plate (4) is provided with guide grooves (17) corresponding to the two guide plates (16).

3. The noise-reducing, ventilated cold heading machine according to claim 1, characterized in that: Inside the filter box (10), a scraper (18) is slidably provided corresponding to the filter screen (11), and a driving mechanism is provided on the filter box (10) corresponding to the scraper (18).

4. A noise-reducing, ventilated cold heading machine according to claim 3, characterized in that: The driving mechanism includes an adjusting rod (19) and an adjusting motor (20). The adjusting rod (19) is rotatably installed inside the filter box (10). The adjusting rod (19) and the scraper (18) are threaded together. The adjusting rod (19) extends downward through the filter box (10). The adjusting motor (20) is connected to the bottom end of the adjusting rod (19).

5. A noise-reducing, ventilated cold heading machine according to claim 3, characterized in that: The filter box (10) is symmetrically provided with guide rods (21), and the scraper (18) is provided with guide holes (22) corresponding to the two guide rods (21).

6. A noise-reducing, ventilated cold heading machine according to claim 1, characterized in that: Dust covers (23) are provided on both the air inlet pipe (9) and the air outlet pipe (15), and the dust covers (23) are threadedly connected to the air inlet pipe (9) and the air outlet pipe (15).

7. A noise-reducing, ventilated cold heading machine according to claim 1, characterized in that: The filter screen (11) has an mounting plate (24) on its upper end face. The filter box (10) has a mounting groove (25) on its upper end face corresponding to the mounting plate (24). Mounting rods (26) are symmetrically arranged on the mounting plate (24). Mounting seats (27) are provided on both the left and right ends of the filter box (10) corresponding to the mounting rods (26).

8. A noise-reducing, ventilated cold heading machine according to claim 7, characterized in that: Both mounting rods (26) are rotatably mounted on the mounting plate (24). Both mounting bases (27) are provided with locking blocks (28). Both mounting rods (26) have grooves (29) corresponding to the locking blocks (28). Both mounting rods (26) have slots (30) corresponding to the locking blocks (28) on the side away from the grooves (29).