Pressing processing device for carbon brush forming

By introducing a cleaning box and a dust collection system into the pressing processing device for carbon brush molding, the problem of impurities mixing into the pressing rod is solved, production efficiency is improved and the dispersion of harmful substances is reduced.

CN223340093UActive Publication Date: 2025-09-16CHUZHOU JINGJU IND CO LTD
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Patent Information

Application Number
CN202422439441.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2025-09-16
Estimated Expiration
2034-10-10

AI Technical Summary

Technical Problem

During the carbon brush forming process, impurities on the pressure rod are easily mixed into the graphite carbon brush material, resulting in product defects, and frequent shutdowns for cleaning affect production efficiency.

Method used

A pressing processing device is designed, which includes a cleaning box and a dust collection system. The cleaning part is used to clean impurities on the outside of the pressing rod, and the dust collection part is used in conjunction with an external dust collection device to suck out impurities under negative pressure to prevent impurities from mixing into the material.

Benefits of technology

It effectively reduces the mixing of impurities during the pressing process, improves production efficiency, reduces downtime for cleaning, and reduces the dispersion of harmful substances.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of carbon brush forming machine accessories, and particularly discloses a pressing processing device for carbon brush forming, which comprises a mounting frame and a top seat, the bottom of the top seat is connected with a first push rod, the first push rod is mounted on the mounting frame, and the bottom of the top seat is provided with a fixing frame through a lifting piece; the top of the fixing frame is connected with a cleaning box through a positioning bolt, the cleaning box is provided with a cleaning hole for the pressing rod to penetrate through, the side wall of the cleaning hole is provided with a plurality of dust suction ports, and one side of the cleaning box is connected with a dust suction part. Impurities on the pressing rod are removed in time in the pressing process, the impurities are effectively prevented from being mixed into graphite carbon brush materials, shutdown cleaning time caused by impurity accumulation can be shortened through online cleaning of the pressing rod, and therefore production efficiency is improved, dust is collected in time after cleaning, and drifting of harmful substances such as graphite dust and metal chippings can be reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of carbon brush forming machine accessories, in particular to a pressing processing device for carbon brush forming. Background Art

[0002] A graphite carbon brush forming machine is a device specifically designed for producing graphite carbon brushes. Its working principle involves the steps of mixing, pressing, and forming raw materials. Graphite powder and other raw materials are mixed in a certain proportion, and then the mixture is pressed into a carbon brush blank with a specific shape and density using a pressing machine.

[0003] During the pressing process, the pressing mold or pressing rod is lifted and lowered back and forth, and impurities remain on the pressing rod. These impurities may be mixed into the graphite carbon brush material during the pressing process, resulting in internal defects such as pores and inclusions in the product. Frequent cleaning and downtime are required, affecting production efficiency. To address these issues, a pressing device for carbon brush molding is proposed. Utility Model Content

[0004] The purpose of the present utility model is to provide a pressing processing device for carbon brush molding to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A pressing processing device for carbon brush molding, comprising a mounting frame and a top seat, wherein the bottom of the top seat is connected to a first push rod, the first push rod is mounted on the mounting frame, and the bottom of the top seat is mounted on a fixing frame via a lifting member;

[0007] A wire holder is installed at the bottom of the top seat, a pressure rod is installed at the bottom of the wire holder, the top of the fixing frame is connected to the cleaning box through a positioning bolt, the cleaning box is provided with a cleaning hole for the pressure rod to pass through, the side wall of the cleaning hole is provided with a plurality of dust suction ports, and one side of the cleaning box is connected to a dust suction piece for generating negative pressure at the dust suction port;

[0008] A groove is provided on the top of the cleaning hole, a cleaning piece for cleaning the outer wall of the pressure rod is installed in the groove, and a limiting piece for fixing the position of the cleaning piece is provided on the top of the cleaning box.

[0009] In an optional solution: the dust suction part includes a dust suction pipe, the dust suction pipe is connected to one side of the cleaning box, a dust exhaust channel is provided in the cleaning box, the dust exhaust channel connects the dust suction pipe and the dust suction port, the top of the fixed frame is connected to a positioning frame, and the positioning frame is connected to a positioning seat for limiting the installation of the dust suction pipe.

[0010] In an optional solution: the cleaning member includes a mounting member, the inner wall of the mounting member is connected to a cleaning brush, two groups of mounting members are provided in each group of the grooves, and the cleaning brushes are in contact with the outer wall of the pressure rod.

[0011] In an optional solution: the limiting member includes a limiting plate, the limiting plate is provided with a rectangular notch corresponding to the pressure rod, the width of the rectangular notch is smaller than the width of the groove, and the limiting plate is connected to the top of the cleaning box through a limiting bolt.

[0012] In an optional solution: a mounting mold is provided on the top of the mounting frame.

[0013] In an optional solution: the lifting member includes two groups of second push rods, the second push rods are installed on the top seat, the bottom of the second push rods is connected to the fixed seat, and the fixed frame is installed between the two groups of fixed seats.

[0014] In an optional solution: a thread trimming mechanism is installed on the fixing frame.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] After the pressure rod of the utility model is pressed, it moves to the top of the fixed frame. During the movement, the cleaning part cleans the outside of the pressure rod. At the same time, the dust suction part cooperates with the external dust suction equipment to generate negative pressure at the dust suction port. The cleaned impurities are sucked out with the air, reducing the impurities remaining on the surface during the subsequent pressure rod pressing process. The impurities on the pressure rod are removed in time during the pressing process, effectively preventing the impurities from being mixed into the graphite carbon brush material. By cleaning the pressure rod online, the downtime for cleaning caused by impurity accumulation can be reduced, thereby improving production efficiency. Dust collection in time after cleaning can reduce the dispersion of harmful substances such as graphite dust and metal debris. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] Figure 2 It is a schematic diagram of the local structure of the utility model.

[0019] Figure 3 It is a structural schematic diagram of the bottom of the cleaning box in the utility model.

[0020] Figure 4 This is a schematic diagram of the partially split structure of the utility model.

[0021] In the figure: 11. Mounting frame; 12. Mounting mold; 13. First push rod; 14. Top seat; 15. Second push rod; 16. Fixed seat; 17. Fixed frame; 18. Wire trimming mechanism; 19. Wire holder; 20. Positioning frame; 21. Positioning seat; 22. Dust suction pipe; 23. Cleaning box; 24. Press rod; 25. Positioning bolt; 26. Cleaning hole; 27. Dust suction port; 28. Mounting piece; 29. ​​Cleaning brush; 30. Groove; 31. Limit plate; 32. Limit bolt. DETAILED DESCRIPTION

[0022] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

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

[0024] See also Figure 1-Figure 4 In this embodiment, the pressing processing device for carbon brush molding includes a mounting frame 11 and a top seat 14. The bottom of the top seat 14 is connected to a first push rod 13, and the first push rod 13 is installed on the mounting frame 11. The bottom of the top seat 14 is installed with a fixing frame 17 through a lifting member.

[0025] A wire holder 19 is installed at the bottom of the top seat 14, a pressure rod 24 is installed at the bottom of the wire holder 19, and the top of the fixing frame 17 is connected to the cleaning box 23 through a positioning bolt 25. The cleaning box 23 is provided with a cleaning hole 26 for the pressure rod 24 to pass through. The side wall of the cleaning hole 26 is provided with a plurality of dust suction ports 27. A dust suction piece is connected to one side of the cleaning box 23 to generate negative pressure at the dust suction port 27;

[0026] The top of the cleaning hole 26 is provided with a groove 30, in which a cleaning piece for cleaning the outer wall of the pressure rod 24 is installed. The top of the cleaning box 23 is provided with a limiting piece for fixing the position of the cleaning piece.

[0027] In this embodiment, after the pressure rod 24 is pressed, it moves to the top of the fixed frame 17. During the movement, the cleaning part cleans the outside of the pressure rod 24. At the same time, the dust collection part cooperates with the external dust collection equipment to generate negative pressure at the dust collection port 27. The cleaned impurities are sucked out with the air, reducing the impurities remaining on the surface during the subsequent pressing process of the pressure rod 24.

[0028] In another embodiment, the dust collection member includes a dust collection pipe 22, the dust collection pipe 22 is connected to one side of the cleaning box 23, a dust discharge channel is provided in the cleaning box 23, the dust discharge channel connects the dust collection pipe 22 and the dust collection port 27, the top of the fixing frame 17 is connected to the positioning frame 20, and the positioning frame 20 is connected to a positioning seat 21 for limiting the installation of the dust collection pipe 22;

[0029] The dust collection tube 22 can be connected to an external dust collection device, such as a vacuum pump and filter. The vacuum pump generates negative pressure, continuously replenishing the air in the dust collection section into the pump, creating a high pressure differential with the outside world. Impurities are drawn into the dust collection section along with the air, filtered through the filter, and collected in the dust container of the filter. When the external dust collection device is in operation, impurities removed from the pressure rod 24 are sucked into the dust collection port 27 along with the air, and then enter the dust collection tube 22 through the dust discharge channel.

[0030] As shown in the figure, in another embodiment, the cleaning part includes a mounting part 28, the inner wall of the mounting part 28 is connected to a cleaning brush 29, and two groups of mounting parts 28 are provided in each group of the grooves 30. The cleaning brush 29 contacts the outer wall of the pressure rod 24; when the pressure rod 24 is raised or lowered, the cleaning brush 29 cleans the outer wall of the pressure rod 24.

[0031] like Figure 4 As shown, in another embodiment, the limiting member includes a limiting plate 31, and a rectangular notch corresponding to the pressure rod 24 is provided on the limiting plate 31, and the width of the rectangular notch is smaller than the width of the groove 30. The limiting plate 31 is connected to the top of the cleaning box 23 through a limiting bolt 32; after the limiting plate 31 is installed, the mounting member 28 can be limited in the groove 30, and the limiting plate 31 is subsequently removed to facilitate the disassembly and assembly of the mounting member 28.

[0032] In another embodiment, a mounting mold 12 is provided on the top of the mounting frame 11; the structure of the mounting mold 12 is set according to actual needs, and a molding cavity corresponding to the graphite carbon brush is set in the mounting mold 12.

[0033] In another embodiment, the lifting member includes two groups of second push rods 15, the second push rods 15 are installed on the top seat 14, the bottom of the second push rods 15 are connected to the fixed seat 16, and the fixed frame 17 is installed between the two groups of fixed seats 16; in actual use, the corresponding hydraulic cylinder or driving component can be installed on the second push rod 15 to adjust the drive of the second push rod 15.

[0034] In another embodiment, a wire cutting mechanism 18 is installed on the fixing frame 17; the wire cutting mechanism 18 may be a structure of an existing graphite forming machine.

[0035] The working principle of the present invention is as follows: after the pressing rod 24 is pressed, it moves to the top of the fixed frame 17. During the movement, the cleaning member cleans the outside of the pressing rod 24. At the same time, the dust collection member cooperates with the external dust collection equipment to generate negative pressure at the dust collection port 27. The cleaned impurities are sucked out with the air, reducing the impurities remaining on the surface during the subsequent pressing process of the pressing rod 24.

[0036] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A pressing processing device for carbon brush molding, comprising a mounting frame (11) and a top seat (14), wherein the bottom of the top seat (14) is connected to a first push rod (13), the first push rod (13) is mounted on the mounting frame (11), and the bottom of the top seat (14) is mounted on a fixing frame (17) via a lifting member; Its characteristics are: A wire holder (19) is installed at the bottom of the top seat (14), a pressure rod (24) is installed at the bottom of the wire holder (19), the top of the fixing frame (17) is connected to a cleaning box (23) via a positioning bolt (25), a cleaning hole (26) for the pressure rod (24) to pass through is provided on the cleaning box (23), a plurality of dust suction ports (27) are provided on the side wall of the cleaning hole (26), and a dust suction part is connected to one side of the cleaning box (23) for generating negative pressure at the dust suction port (27); The top of the cleaning hole (26) is provided with a groove (30), and a cleaning piece for cleaning the outer wall of the pressure rod (24) is installed in the groove (30). The top of the cleaning box (23) is provided with a limiting piece for fixing the position of the cleaning piece.

2. The pressing device for carbon brush molding according to claim 1, characterized in that: The dust collecting member comprises a dust collecting pipe (22), the dust collecting pipe (22) being connected to one side of a cleaning box (23), a dust exhaust passage being provided in the cleaning box (23), the dust exhaust passage being connected to the dust collecting pipe (22) and a dust collecting port (27), the top of the fixing frame (17) being connected to a positioning frame (20), and a positioning seat (21) being connected to the positioning frame (20) for limiting the installation of the dust collecting pipe (22).

3. The pressing device for carbon brush molding according to claim 1, characterized in that: The cleaning member comprises a mounting member (28), the inner wall of the mounting member (28) is connected to a cleaning brush (29), two groups of mounting members (28) are arranged in each group of the grooves (30), and the cleaning brush (29) contacts the outer wall of the pressure rod (24).

4. The pressing device for carbon brush molding according to claim 1, characterized in that: The limiting member comprises a limiting plate (31), the limiting plate (31) is provided with a rectangular notch corresponding to the pressure rod (24), the width of the rectangular notch is smaller than the width of the groove (30), and the limiting plate (31) is connected to the top of the cleaning box (23) via a limiting bolt (32).

5. The pressing device for carbon brush molding according to claim 1, characterized in that: A mounting mold (12) is provided on the top of the mounting frame (11).

6. The pressing device for carbon brush molding according to claim 1, characterized in that: The lifting member comprises two groups of second push rods (15), the second push rods (15) are installed on the top seat (14), the bottom of the second push rods (15) is connected to the fixed seat (16), and the fixed frame (17) is installed between the two groups of fixed seats (16).

7. The pressing device for carbon brush molding according to claim 1, characterized in that: A thread cutting mechanism (18) is installed on the fixing frame (17).