Polishing device for surface treatment of hardware parts

By designing a polishing device with synchronous rotation of inner and outer polishing strips, the problem that the inner and outer surfaces of tubular hardware in the prior art cannot be polished simultaneously, improving the polishing efficiency and adapting to tubular hardware of different sizes.

CN223146839UActive Publication Date: 2025-07-25DONGGUAN LIANFU HARDWARE PROD CO LTD
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Patent Information

Application Number
CN202422332241.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-07-25
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

The prior art cannot polish the inner and outer surfaces of tubular hardware at the same time, resulting in low polishing efficiency.

Method used

A polishing device for surface treatment of hardware parts is designed, including inner polishing strips and outer polishing strips. Driven by electric push rods and motors, the synchronous rotation of inner and outer polishing strips is achieved, and is equipped with stainless steel polishing cloth to adapt to tubular hardware of different sizes.

Benefits of technology

Simultaneous polishing of the inner and outer surfaces of tubular hardware is achieved, polishing efficiency is improved, and tubular hardware of different sizes is adjusted through electric push rods.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a polishing device for hardware part surface treatment, and relates to the technical field of hardware part surface treatment. The polishing machine comprises a base, a [-shaped workbench, an inner polishing strip and an outer polishing strip, the [-shaped workbench is arranged above the base, a motor is installed on the back of the [-shaped workbench through a machine box, an output shaft of the motor penetrates through the middle of the [-shaped workbench and is fixed to a rotating cylinder, a center column is fixed in the rotating cylinder, and the inner polishing strip and the outer polishing strip are arranged on the center column. The inner polishing strip and the outer polishing strip are driven to rotate by rotating the rotating cylinder, and the stainless steel polishing cloth mounted on the surfaces of the inner polishing strip and the outer polishing strip is used for polishing the inner surface and the outer surface of the stainless steel pipe at the same time, so that the polishing efficiency is improved; the using lengths of the inner polishing strip and the outer polishing strip can be changed through the first electric push rod and the second electric push rod so as to adapt to stainless steel pipes of different sizes.
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Description

Technical Field

[0001] The utility model belongs to the field of surface treatment of hardware parts. Specifically, it relates to a polishing device for surface treatment of hardware parts. Background Art

[0002] Hardware parts refer to machine parts or components made of hardware, as well as some small hardware products. They can be used alone or as assisting tools, such as hardware tools, hardware components, daily hardware, building hardware, and security products, etc. Most small hardware products are not final consumer goods, but are supporting products, semi-finished products, and tools used in the production process for industrial manufacturing. Only a small part of daily hardware products are consumer goods that are essential tools for people's lives;

[0003] Currently, after processing tubular hardware parts, it is necessary to polish the surface of the tubular hardware parts. However, during polishing, it is impossible to polish the inner and outer surfaces simultaneously, and only separate polishing can be done, resulting in low efficiency. In view of this, the present utility model is specifically proposed. Summary of the Utility Model

[0004] The technical problem to be solved by the present utility model is to overcome the deficiencies of the prior art and provide a polishing device for surface treatment of hardware parts.

[0005] To solve the above technical problem, the basic concept of the technical solution adopted by the present utility model is:

[0006] A polishing device for surface treatment of hardware parts includes a base, a U-shaped workbench, an inner polishing strip, and an outer polishing strip. A U-shaped workbench is provided above the base. A motor is installed on the back of the U-shaped workbench through a machine box. The output shaft of the motor penetrates through the middle of the U-shaped workbench and is fixed to a rotating cylinder. A central column is fixed inside the rotating cylinder. A plurality of fixed seats for fixing the first electric push rods are arranged outside the column-shaped column. The telescopic ends of each first electric push rod respectively penetrate through the reserved slots in the middle of the outer surface of the rotating cylinder and are fixed to the inner polishing strip;

[0007] A plurality of L-shaped seats are fixedly installed on the back of the rotating cylinder through screws. A second electric push rod is fixedly installed on the outer surface of each L-shaped seat. The telescopic end of each electric push rod penetrates through the middle of the L-shaped seat and is fixed to the outer polishing strip. A working area for polishing the tubular hardware parts is provided between the outer polishing strip and the inner polishing strip;

[0008] Stainless steel polishing cloths are installed on the surfaces of the outer polishing strip and the inner polishing strip. A controller is fixed in the middle of the lower end of the U-shaped workbench.

[0009] Optionally, a dustproof telescopic sleeve is provided between each of the inner polishing strips and the rotating cylinder, a positioning sleeve is fixed at the lower end of each inner polishing strip, and the outer dimension of the positioning sleeve is smaller than the inner dimension of the reserved groove, and reserved holes for the guide rod to pass through are opened on both sides of each positioning sleeve, and the guide tube is fixedly installed between the rotating cylinder and the center column.

[0010] Optionally, the middle part of the outer surface of the inner polishing strip and the outer polishing strip is provided with a protrusion block for contacting the inner lining of the stainless steel polishing cloth, and positioning pins for inserting the stainless steel polishing cloth are provided on both sides of the inner lining protrusion block. The outer surfaces of the inner polishing strip and the outer polishing strip are also fixed to the stainless steel polishing cloth by means of a fixing cover and screws, and a clearance groove matching the outer size of the inner lining protrusion block is reserved in the middle part of the fixing cover, and clearance holes for the positioning pins to pass through are provided on both sides of the fixing cover.

[0011] Optionally, a polyurethane buffer strip is fixed to the outer surface of each fixing seat.

[0012] Optionally, a T-shaped guide rail for sliding connection of the side of the outer polishing strip is fixed in the middle of each L-shaped seat.

[0013] Optionally, electromagnetic slide rails are fixed to the upper and lower ends of the 匚-shaped workbench, shells are fixed to the sliding ends of the two electromagnetic slide rails, electric telescopic columns are fixed inside the two shells, an arc-shaped resistance block is fixed to the telescopic end of each electric telescopic column, and an anti-slip pad that contacts the surface of the tubular hardware is fixed to the opposite surface of each arc-shaped resistance block.

[0014] Optionally, pillars are fixed to the four corners of the upper end of the base, a third electric push rod is fixed inside each pillar, and the telescopic end of each third electric push rod is fixed to the support block at the lower end of the 匚-shaped base.

[0015] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:

[0016] The utility model utilizes the rotating inner polishing bar and the outer polishing bar to simultaneously polish the inner and outer surfaces of the stainless steel pipe using the stainless steel polishing cloth installed on the surface thereof, thereby improving the polishing efficiency. In addition, considering the differences in sizes of stainless steel pipes, in order to improve the adaptability of the device, the use lengths of the inner polishing bar and the outer polishing bar can be changed by the first electric push rod and the second electric push rod, thereby adapting to stainless steel pipes of different sizes.

[0017] The specific implementation modes of the present utility model are further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings in the following description are only some embodiments. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts. In the drawings:

[0019] Figure 1 is the schematic diagram of the main view sectional structure of the present utility model;

[0020] Figure 2 is the combined part structure diagram of the arc-shaped abutting block and the anti-slip pad in the present utility model;

[0021] Figure 3 is the schematic side view of the combined part structure of the chassis, the rotating cylinder, the L-shaped seat, the outer polishing strip and the inner polishing strip in the present utility model;

[0022] Figure 4 is Figure 1 the schematic diagram of the part structure of part A in

[0023] Figure 5 is Figure 1 the schematic diagram of the part structure of part B in

[0024] Figure 6 is Figure 1 the schematic diagram of the part structure of part C in

[0025] Figure 7 is Figure 3 the schematic diagram of the part structure of part D in

[0026] In the accompanying drawings, the list of components represented by each reference numeral is as follows:

[0027] 1. Base; 2. C-shaped workbench; 3. Chassis; 4. Rotating cylinder; 5. Central column; 6. First electric push rod; 7. Fixed seat; 8. Inner polishing strip; 9. L-shaped seat; 10. Second electric push rod; 11. Outer polishing strip; 12. Stainless steel polishing cloth; 13. Controller; 14. Dust-proof telescopic sleeve; 15. Positioning sleeve; 16. Guide rod; 17. Inner lining convex block; 18. Fixed cover; 19. Positioning pin; 20. Relief hole; 21. Polyurethane buffer strip; 22. T-shaped guide rail; 23. Electromagnetic slide rail; 24. Shell; 25. Electric telescopic column; 26. Arc-shaped abutting block; 27. Anti-slip pad; 28. Support pillar; 29. Third electric push rod; 30. Support block.

[0028] It should be noted that these drawings and the text description are not intended to limit the scope of the concept of the present utility model in any way, but to illustrate the concept of the present utility model to those skilled in the art by referring to specific embodiments. Detailed Description of the Specific Embodiment

[0029] Now, the present utility model will be further described in detail with reference to the accompanying drawings.

[0030] Please refer to Figures 1 to 7 , the present utility model provides a technical solution: a polishing device for the surface treatment of hardware parts, including a base 1, a U-shaped workbench 2, an inner polishing strip 8 and an outer polishing strip 11. A U-shaped workbench 2 is provided above the base 1. A motor is installed through a chassis 3 on the back of the U-shaped workbench 2. The output shaft of the motor penetrates through the middle of the U-shaped workbench 2 and is fixed to a rotating cylinder 4. A central column 5 is fixed inside the rotating cylinder 4. A plurality of fixing seats 7 for fixing the first electric push rods 6 are arranged outside the column-shaped column. The telescopic ends of each first electric push rod 6 respectively penetrate through the reserved slots in the middle of the outer surface of the rotating cylinder 4 and are fixed to the inner polishing strip 8;

[0031] A plurality of L-shaped seats 9 are fixedly installed on the back of the rotating cylinder 4 by screws. A second electric push rod 10 is fixedly installed on the outer surface of each L-shaped seat 9. The telescopic end of each electric push rod penetrates through the middle of the L-shaped seat 9 and is fixed to the outer polishing strip 11. A working area for polishing the tubular hardware parts is provided between the outer polishing strip 11 and the inner polishing strip 8;

[0032] Stainless steel polishing cloths 12 are installed on the surfaces of both the outer polishing strip 11 and the inner polishing strip 8. A controller 13 is fixed in the middle of the lower end of the U-shaped workbench 2. Considering that after the tubular hardware parts are processed at present, the surfaces of the tubular hardware parts need to be polished, but it is impossible to polish the inner and outer surfaces simultaneously during polishing, and only separate polishing can be done, resulting in low efficiency. The present utility model utilizes the rotating inner polishing strip 8 and outer polishing strip 11 to polish the inner and outer surfaces of the stainless steel pipe simultaneously with the stainless steel polishing cloths 12 installed on their surfaces, thereby improving the polishing efficiency. And considering that there are differences in the sizes of stainless steel pipes, in order to improve the adaptability of the device, the use lengths of the inner polishing strip 8 and the outer polishing strip 11 can be changed through the first electric push rod 6 and the second electric push rod 10 to adapt to stainless steel pipes of different sizes.

[0033] Among them, a dust-proof telescopic sleeve 14 is provided between each inner polishing strip 8 and the rotating cylinder 4. A positioning sleeve 15 is fixed at the lower end of each inner polishing strip 8, and the outer dimension of the positioning sleeve 15 is smaller than the inner dimension of the reserved slot. Reserved holes for guiding rods 16 to penetrate are provided on both sides of each positioning sleeve 15, and the guiding tube is fixedly installed between the rotating cylinder 4 and the central column 5. By setting the dust-proof telescopic sleeve, the gap between the positioning sleeve 15 and the reserved slot is sealed, preventing debris from falling into the gap during the polishing process.

[0034] Among them, the middle parts of the outer surfaces of the inner polishing strip 8 and the outer polishing strip 11 are both provided with inner lining bump blocks 17 for abutting against the stainless steel polishing cloth 12. On both sides of the inner lining bump block 17, positioning pins 19 for inserting the stainless steel polishing cloth 12 are provided. The outer surfaces of the inner polishing strip 8 and the outer polishing strip 11 are also fixed to the stainless steel polishing cloth 12 through a fixing cover 18 and screws. A relief groove matching the external dimension of the inner lining bump block 17 is reserved in the middle of the fixing cover 18. Relief holes 20 for the positioning pins 19 to penetrate are opened on both sides of the fixing cover 18. By setting the stainless steel polishing cloth 12 to be fixed with the fixing cover 18 by the positioning pins 19, it is convenient for the staff to replace the stainless steel polishing cloth 12 later. During replacement, loosen the screws, then remove the fixing cover 18, and then take off the damaged stainless steel polishing cloth 12 from the positioning pins 19. The inner lining bump block 17 plays a role in abutting against the stainless steel polishing cloth 12, so that the surface of the stainless steel polishing cloth 12 can contact the inner wall of the tubular hardware.

[0035] Among them, a polyurethane buffer strip 21 is fixed on the outer surface of each fixing seat 7. By setting the polyurethane buffer strip 21, it plays a role in buffering and protecting between the fixing seat 7 and the positioning sleeve 15, so that when the first electric push rod 6 contracts, the positioning sleeve 15 will not have rigid contact with the fixing seat 7.

[0036] Among them, a T-shaped guide rail 22 for the side part of the outer polishing strip 11 to slide is fixed in the middle of each L-shaped seat 9. By setting the T-shaped guide rail 22, it plays a guiding role for the outer polishing strip 11. When the second electric push rod 10 drives the outer polishing strip 11 to displace, the outer polishing strip 11 will displace along the T-shaped guide rail 22.

[0037] Among them, electromagnetic slide rails 23 are fixed at both the upper and lower ends of the C-shaped workbench 2. Shells 24 are fixed at the sliding ends of the two electromagnetic slide rails 23. Electric telescopic columns 25 are fixed inside the two shells 24. An arc-shaped abutting block 26 is fixed at the telescopic end of each electric telescopic column 25. And anti-slip pads 27 in contact with the surface of the tubular hardware are fixed on the opposite surfaces of each arc-shaped abutting block 26. By setting the electromagnetic slide rails 23, it plays a role in driving the two shells 24 to move back and forth, so that the polished stainless steel pipe can be fixed by driving the arc-shaped abutting blocks 26 through the electric telescopic columns 25 inside the two shells 24, so as to ensure that the stainless steel pipe can be fixed when the inner polishing strip 8 and the outer polishing strip 11 rotate.

[0038] Among them, columns 28 are fixed at the four corners of the upper end of the base 1. A third electric push rod 29 is fixed inside each column 28. And the telescopic end of each third electric push rod 29 is fixed to the supporting block 30 at the lower end of the C-shaped base 1. By setting the C-shaped workbench 2 to be lifted by the third electric push rod 29, it is convenient for the worker to load and unload the stainless steel pipe, and avoids the need to bend over excessively during the loading and unloading process.

[0039] The present utility model is not limited to the above embodiments. Any person should know that structural changes made under the inspiration of the present utility model, as long as they have the same or similar technical solutions as the present utility model, all fall within the protection scope of the present utility model. The technologies, shapes, and structures not described in detail in the present utility model are all well-known technologies.

Claims

1. A polishing device for the surface treatment of hardware parts, comprising a base (1), a U-shaped workbench (2), an inner polishing strip (8) and an outer polishing strip (11), characterized in that, A 匚-shaped workbench (2) is provided above the base (1), a motor is installed on the back of the 匚-shaped workbench (2) through a chassis (3), the output shaft of the motor passes through the middle of the 匚-shaped workbench (2) and is fixed to the rotating cylinder (4), a central column (5) is fixed inside the rotating cylinder (4), and a plurality of fixing seats (7) for fixing first electric push rods (6) are arranged outside the columnar column, and the telescopic end of each first electric push rod (6) passes through a reserved groove in the middle of the outer surface of the rotating cylinder (4) and is fixed to an inner polishing strip (8); A plurality of L-shaped seats (9) are fixedly mounted on the back of the rotating cylinder (4) by means of screws, a second electric push rod (10) is fixedly mounted on the outer surface of each L-shaped seat (9), a telescopic end of each electric push rod penetrates the middle of the L-shaped seat (9) and is fixed to an outer polishing strip (11), and a working area for polishing tubular hardware is provided between the outer polishing strip (11) and the inner polishing strip (8); Stainless steel polishing cloths (12) are installed on the surfaces of the outer polishing strip (11) and the inner polishing strip (8), and a controller (13) is fixed to the middle of the lower end of the 匚-shaped workbench (2).

2. A polishing device for surface treatment of hardware parts according to claim 1, characterized in that, A dustproof telescopic sleeve (14) is provided between each inner polishing strip (8) and the rotating cylinder (4), a positioning sleeve (15) is fixed at the lower end of each inner polishing strip (8), and the outer dimension of the positioning sleeve (15) is smaller than the inner dimension of the reserved groove, and reserved holes for the guide rod (16) to pass through are opened on both sides of each positioning sleeve (15), and the guide tube is fixedly installed between the rotating cylinder (4) and the center column (5).

3. A polishing device for surface treatment of hardware parts according to claim 1, characterized in that, The inner polishing strip (8) and the outer polishing strip (11) are provided with an inner lining protrusion (17) in the middle of their outer surfaces for contacting the stainless steel polishing cloth (12), and positioning pins (19) for inserting the stainless steel polishing cloth (12) are provided on both sides of the inner lining protrusion (17). The outer surfaces of the inner polishing strip (8) and the outer polishing strip (11) are also fixed to the stainless steel polishing cloth (12) by means of a fixing cover (18) and screws, and a clearance groove matching the outer dimensions of the inner lining protrusion (17) is reserved in the middle of the fixing cover (18), and clearance holes (20) for the positioning pins (19) to pass through are provided on both sides of the fixing cover (18).

4. A polishing device for surface treatment of hardware parts according to claim 1, characterized in that, A polyurethane buffer strip (21) is fixed to the outer surface of each fixing seat (7).

5. A polishing device for surface treatment of hardware parts according to claim 1, characterized in that, A T-shaped guide rail (22) is fixed in the middle of each L-shaped seat (9) to which the side of the outer polishing strip (11) is slidably connected.

6. A polishing device for surface treatment of hardware parts according to claim 1, characterized in that, The upper and lower ends of the 匚-shaped workbench (2) are fixed with electromagnetic slide rails (23), and the sliding ends of the two electromagnetic slide rails (23) are fixed with shells (24). The insides of the two shells (24) are fixed with electric telescopic columns (25), and the telescopic end of each electric telescopic column (25) is fixed with an arc-shaped resistance block (26), and the opposite surface of each arc-shaped resistance block (26) is fixed with an anti-skid pad (27) that contacts the surface of the tubular hardware.

7. A polishing device for surface treatment of hardware parts according to claim 1, characterized in that, At the four corners of the upper end of the base (1), there are fixed support columns (28). Inside each support column (28), there is a fixed third electric push rod (29), and the telescopic end of each third electric push rod (29) is fixed to the support block (30) at the lower end of the U-shaped base (1).