A cleaning device for surface oxides of copper products

By designing a cleaning device for oxides on the surface of copper products, and utilizing a mechanized cleaning mechanism, a pumping mechanism, and a magnetizing mechanism, the problems of danger and low efficiency in cleaning oxides on the surface of copper products have been solved, achieving a fast and efficient cleaning effect.

CN117840095BActive Publication Date: 2026-03-27NANTONG SINOE MARINE TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-12-29
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing technologies for cleaning oxides from the surface of copper products present problems such as high risk, high labor intensity, and uneven distribution of acidic liquids.

Method used

A device for cleaning oxides on the surface of copper products has been designed, comprising a cleaning mechanism, a pumping mechanism, a magnetizing mechanism, and a demagnetizing mechanism. The cleaning is carried out in a mechanized manner, and the removal of oxides is accelerated by using a telescopic rod, a scraper ring, and a magnetized liquid.

Benefits of technology

It enables rapid and efficient cleaning of oxides on copper product surfaces without manual operation, avoiding uneven distribution of acidic liquids and improving cleaning efficiency and effectiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a kind of cleaning equipment for copper product surface oxide, including box, the first plate is fixedly connected with two electric push rods on the box, the cleaning mechanism is equipped on the first plate, the cleaning mechanism includes the sleeve ring of being fixedly connected in the first plate lower end by fixed plate, the first plate lower end is fixedly connected with two second plates, two second plate side walls are respectively rotatably connected with two bearings, two bearing inner walls are respectively slidably connected with two telescopic rods, and the cleaning plate is fixedly connected in the movable end of telescopic rod.The application is rotated during the horizontal movement of two telescopic rods, so that the cleaning plate cleans the circular side of cylindrical copper product, and when the cylindrical copper product moves horizontally, the first scraping ring and the second scraping ring will scrape the surface oxide of cylindrical copper product, so as to speed up the cleaning of the surface oxide of cylindrical copper product, avoid manual operation, and speed up the cleaning efficiency.
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Description

TECHNICAL FIELD

[0001] The present application relates to copper product processing technology field, especially to a kind of cleaning equipment for copper product surface oxide. BACKGROUND

[0002] Copper product is the daily necessities processed by pure copper or copper alloy as main raw material, since copper product will produce oxide on surface during storage, and then its surface oxide needs to be treated before processing.

[0003] Currently, the cleaning of copper product surface oxide is to place copper product in a box containing acidic liquid, and after standing for a period of time, the surface is manually wiped and cleaned in the acidic liquid, which has certain danger, high labor intensity, and the copper product and the acidic liquid are kept stationary at the same time, so that the acidic liquid in the box is unevenly distributed, affecting the treatment of copper product surface oxide. SUMMARY

[0004] The present application is proposed to solve the problems in the prior art, and provides a kind of cleaning equipment for copper product surface oxide.

[0005] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0006] A kind of cleaning equipment for copper product surface oxide, including box, the first plate is fixedly connected on the box by two electric push rods, the cleaning mechanism is arranged on the first plate, the cleaning mechanism includes the sleeve ring fixedly connected on the lower end of the first plate by the fixed plate, the lower end of the first plate is fixedly connected with two second plates, two second plates are respectively rotatably connected with two bearings on the side wall, two bearings are respectively slidably connected with two telescopic rods on the inner wall, the telescopic rod is fixedly connected with the cleaning plate on the movable end, the first scraping ring is fixedly connected on the inner wall of the sleeve ring, a plurality of second scraping rings are slidably connected on the inner wall of the sleeve ring, two adjacent second scraping rings are connected by the first spring, the first scraping ring side wall is connected with the second scraping ring side wall by the first spring, the telescopic rod side wall is provided with helical groove, the second plate side wall is connected with L-shaped rod which is matched with the inner wall of helical groove, a plurality of strip cavities are arranged in the sleeve ring, the one-way liquid jet pipe in the form of T is fixedly connected on the inner wall of the strip cavity, a plurality of liquid jet holes are arranged on the inner wall of the one-way liquid jet pipe, the pump liquid mechanism is arranged on the box, the magnetization mechanism is arranged in the strip cavity.

[0007] Preferably, the pump liquid mechanism comprises a first semicircular plate sealingly fixedly connected to the inner wall of the box, a second semicircular plate fixedly connected to the inner wall of the box in the first semicircular plate, and a liquid suction cavity formed between the first semicircular plate, the second semicircular plate and the inner wall of the box, a one-way liquid suction pipe fixedly connected to the bottom of the liquid suction cavity, and a one-way liquid injection pipe in communication with the inner wall of the strip-shaped cavity at the top of the liquid suction cavity, wherein the first semicircular plate is made of an elastic plate.

[0008] Preferably, the magnetization mechanism comprises a permanent magnet plate sealingly slidingly connected to the inner wall of the strip-shaped cavity, the side wall of the permanent magnet plate is elastically connected to the inner wall of the strip-shaped cavity through a second spring, a permanent magnet block is embedded in the inner wall of the strip-shaped cavity away from the second spring, and the permanent magnet block repels the permanent magnet plate.

[0009] Preferably, the box is provided with a demagnetization mechanism, the demagnetization mechanism comprises a piezoelectric plate mounted on the inner wall of the second semicircular plate in the box, a pressure rod sealingly slidingly connected to the side wall of the second semicircular plate, one end of the pressure rod away from the piezoelectric plate is fixedly connected to the side wall of the second semicircular plate, a field coil is sleeved on the side wall of the permanent magnet block, the direction of the magnetic induction line of the field coil is opposite to the direction of the magnetic induction line of the permanent magnet block, and the piezoelectric plate is coupled to the field coil through a current amplifier.

[0010] Preferably, the first plate is provided with a driving mechanism, the driving mechanism comprises a motor fixedly connected to the upper end of the first plate, a cam fixedly connected to the movable end of the motor, the side wall of the cam is attached to the side wall of one of the telescopic rods, and the side wall of the telescopic rod away from the cam is attached to the side wall of the first semicircular plate.

[0011] Preferably, the side wall of the telescopic rod is fixedly connected with a connecting plate, and the side wall of the connecting plate is elastically connected with the side wall of the bearing through a third spring.

[0012] Compared with the prior art, the present application has the following advantages:

[0013] 1: By setting the cleaning mechanism and the driving mechanism, the two telescopic rods rotate during horizontal movement, so that the cleaning plate cleans the circular side surface of the cylindrical copper product, and at the same time, the first scraping ring and the second scraping ring scrape off the surface oxides of the cylindrical copper product when the cylindrical copper product moves horizontally, thereby speeding up the cleaning of the surface oxides of the cylindrical copper product and avoiding the need for manual operation, thereby speeding up the cleaning efficiency.

[0014] 2: By setting the pump liquid mechanism, the liquid suction cavity can pump liquid into the strip-shaped cavity during the back-and-forth movement of the telescopic rod, and then the liquid flows out through the plurality of liquid injection holes, thereby speeding up the flow and impact force of the liquid on the surface of the cylindrical copper product, speeding up the cleaning of the surface oxides of the cylindrical copper product, and avoiding the copper product and the acidic liquid from being kept stationary at the same time, so that the acidic liquid in the box is not evenly distributed, thereby affecting the treatment of the surface oxides of the copper product.

[0015] 3: By setting the magnetization mechanism, the flowing liquid can be magnetized, so that the penetration and dissolution ability of the liquid to the surface oxide of the cylindrical copper product is enhanced, thereby accelerating the processing speed of the surface oxide of the cylindrical copper product again.

[0016] 4: By setting the demagnetization mechanism, the sleeve ring will produce horizontal vibration under the action of water hammer effect, thereby causing the second scraping ring to produce obvious relative displacement with the cylindrical copper product, and the second scraping ring can be self-moving to scrape off the oxide layer on the surface of the cylindrical copper product, thereby accelerating the cleaning effect. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structure diagram of a copper product surface oxide cleaning equipment according to the present application is provided;

[0018] Figure 2 A structure diagram of a copper product surface oxide cleaning equipment according to the present application is provided; Figure 1 A structure diagram of a copper product surface oxide cleaning equipment according to the present application is provided;

[0019] Figure 3 A structure diagram of a copper product surface oxide cleaning equipment according to the present application is provided; Figure 1 A structure diagram of a copper product surface oxide cleaning equipment according to the present application is provided.

[0020] In the figure: 1 box, 2 electric push rod, 3 first plate, 4 sleeve ring, 5 second plate, 6 bearing, 7 telescopic rod, 8 cleaning plate, 9 first scraping ring, 10 second scraping ring, 11 first spring, 12 spiral groove, 13 L-shaped rod, 14 motor, 15 cam, 16 first semicircular plate, 17 second semicircular plate, 18 liquid suction cavity, 19 strip-shaped cavity, 20 one-way liquid suction pipe, 21 one-way liquid outlet pipe, 22 permanent magnet block, 23 permanent magnet plate, 24 second spring, 25 one-way liquid injection pipe, 26 liquid injection hole, 27 piezoelectric plate, 28 excitation coil, 29 pressure rod, 30 third spring. DETAILED DESCRIPTION

[0021] Referring to Figures 1-3The utility model relates to a kind of copper product surface oxide cleaning equipment, including box 1, box 1 is equipped with acidic liquid, box 1 is fixedly connected with first plate 3 by two electric push rods 2, first plate 3 is equipped with cleaning mechanism, cleaning mechanism includes the sleeve ring 4 of being fixedly connected in the lower end of first plate 3 by fixed plate, the lower end of first plate 3 is fixedly connected with two second plates 5, the lateral wall of two second plates 5 is rotatably connected with two bearings 6, the inner wall of two bearings 6 is slidably connected with two telescopic rods 7, and cleaning plate 8 is fixedly connected in the movable end of telescopic rod 7, the inner wall of sleeve ring 4 is fixedly connected with first scraping ring 9, the inner wall of sleeve ring 4 is slidably connected with multiple second scraping rings 10, and first spring 11 is connected between adjacent two second scraping rings 10, the lateral wall of first scraping ring 9 is connected with the lateral wall of second scraping ring 10 by first spring 11, the lateral wall of telescopic rod 7 is provided with helical groove 12, and the lateral wall of second plate 5 is connected with L type rod 13 that is attached to the inner wall of helical groove 12, first plate 3 is equipped with driving mechanism, and driving mechanism includes motor 14 being fixedly connected on the upper end of first plate 3, and the movable end of motor 14 is fixedly connected with cam 15, and the lateral wall of cam 15 is attached to the lateral wall of one telescopic rod 7.

[0022] The lateral wall of telescopic rod 7 is fixedly connected with connecting plate, and the lateral wall of connecting plate is elastically connected with the lateral wall of bearing 6 by third spring 30.

[0023] Further, cylindrical copper product is placed in sleeve ring 4 and attached to the lateral wall of first scraping ring 9 and second scraping ring 10, then the elongation of two telescopic rods 7 is adjusted, so that the lateral wall of two cleaning plates 8 is attached to the lateral wall of cylindrical copper product, at this time, two cleaning plates 8 can rotate relative to the lateral wall of cylindrical copper product, then motor 14 drives cam 15 to rotate, so that cam 15 intermittently extrudes one telescopic rod 7, and then can drive cylindrical copper product and the other telescopic rod 7 to move horizontally, and then under the action of L type rod 13 and helical groove 12, at this time, two telescopic rods 7 rotate during horizontal movement, so that cleaning plate 8 cleans the circular lateral surface of cylindrical copper product, and at this time, first scraping ring 9 and second scraping ring 10 scrape the surface oxide of cylindrical copper product when cylindrical copper product moves horizontally, so as to speed up the cleaning of the surface oxide of cylindrical copper product, avoid manual operation, and speed up the cleaning efficiency.

[0024] A plurality of strip-shaped cavities 19 are formed in the sleeve ring 4, and a one-way liquid spraying pipe 25 in T shape is fixedly connected to the inner wall of the strip-shaped cavities 19. A plurality of liquid spraying holes 26 are formed in the inner wall of the one-way liquid spraying pipe 25. The box body 1 is provided with a liquid pumping mechanism, which comprises a first semicircular plate 16 fixedly connected to the inner wall of the box body 1. The inner wall of the box body 1 in the first semicircular plate 16 is fixedly connected with a second semicircular plate 17. The first semicircular plate 16, the second semicircular plate 17 and the inner wall of the box body 1 form a liquid suction cavity 18. A one-way liquid suction pipe 20 is fixedly connected to the bottom of the liquid suction cavity 18. The top of the liquid suction cavity 18 is communicated with the inner wall of the strip-shaped cavity 19 through a one-way liquid outlet pipe 21. The first semicircular plate 16 is made of elastic plate.

[0025] The side wall of the telescopic rod 7 away from the cam 15 is attached to the side wall of the first semicircular plate 16.

[0026] It should be noted that the one-way liquid suction pipe 20 only allows liquid to enter the liquid suction cavity 18 from the box body 1. The one-way liquid outlet pipe 21 only allows liquid to enter the strip-shaped cavity 19 from the liquid suction cavity 18. The diameter of the one-way liquid outlet pipe 21 is small, so that the flow rate of the liquid is increased. The one-way liquid spraying pipe 25 only allows liquid to flow out of the strip-shaped cavity 19.

[0027] Further, under the action of the third spring 30, when the cam 15 no longer presses the telescopic rod 7, the telescopic rod 7 will return to its original position. When the cam 15 rotates, the two telescopic rods 7 will move back and forth, thereby intermittently pressing the first semicircular plate 16. The space in the liquid suction cavity 18 is intermittently reduced and increased, thereby the liquid suction cavity 18 can pump liquid into the strip-shaped cavity 19, and then the liquid flows out through the plurality of liquid spraying holes 26, thereby accelerating the flow and impact force of the liquid on the surface of the cylindrical copper product, accelerating the cleaning of the oxide on the surface of the cylindrical copper product, and avoiding the copper product and the acidic liquid from being kept stationary at the same time, so that the acidic liquid in the box body 1 is not evenly distributed, thereby affecting the treatment of the oxide on the surface of the copper product.

[0028] A magnetization mechanism is arranged in the strip-shaped cavity 19. The magnetization mechanism comprises a permanent magnet plate 23 sealingly and slidingly connected to the inner wall of the strip-shaped cavity 19. The side wall of the permanent magnet plate 23 is elastically connected to the inner wall of the strip-shaped cavity 19 through a second spring 24. A permanent magnet block 22 is embedded in the inner wall of the strip-shaped cavity 19 away from the second spring 24. The permanent magnet block 22 repels the permanent magnet plate 23.

[0029] It should be noted that the permanent magnet plate 23 is away from the nozzle of the one-way liquid spraying pipe 25 under the magnetic repulsion force of the permanent magnet block 22. The inner wall of the strip-shaped cavity 19 close to the second spring 24 is connected with an air pipe, which is not shown in the figure, to balance the pressure change in the strip-shaped cavity 19 when the permanent magnet plate 23 slides.

[0030] Further, when the liquid moves in the strip-shaped cavity 19, the liquid is magnetized under the action of the magnetic field between the permanent magnet block 22 and the permanent magnet plate 23, so that the penetration and dissolution ability of the liquid to the surface oxide of the cylindrical copper product is enhanced, thereby accelerating the processing speed of the surface oxide of the cylindrical copper product again.

[0031] The box body 1 is provided with a demagnetization mechanism, the demagnetization mechanism comprises a piezoelectric plate 27 mounted on the inner wall of the second semicircular plate 17, a pressure rod 29 is sealingly and slidably connected to the side wall of the second semicircular plate 17, one end of the pressure rod 29 away from the piezoelectric plate 27 is fixedly connected to the side wall of the second semicircular plate 17, a magnetizing coil 28 is sleeved on the side wall of the permanent magnet block 22, the magnetic induction line direction of the magnetizing coil 28 is opposite to the magnetic induction line direction of the permanent magnet block 22, and the piezoelectric plate 27 is coupled with the magnetizing coil 28 through a current amplifier.

[0032] Further, the piezoelectric plate 27 is made of piezoelectric ceramic material, so that when the piezoelectric plate 27 is extruded, an electric current is generated, which is a prior art, and when the first semicircular plate 16 is initially extruded and deformed, the liquid is quickly extruded into the strip-shaped cavity 19 at this time, and the deformation of the first semicircular plate 16 drives the movement of the pressure rod 29, and when the pressure rod 29 extrudes the piezoelectric plate 27, the electric current generated on the piezoelectric plate 27 passes through the current amplifier to electrify the magnetizing coil 28, so that the magnetic induction line generated on the magnetizing coil 28 covers the magnetic induction line of the permanent magnet block 22, and the repulsive force of the permanent magnet block 22 on the permanent magnet plate 23 disappears, and the permanent magnet plate 23 is attracted to the magnetizing coil 28, so that the permanent magnet plate 23 quickly slides towards the permanent magnet block 22, so that the permanent magnet plate 23 blocks the nozzle of the one-way liquid jet pipe 25, and the liquid in the strip-shaped cavity 19 quickly stops flowing, and since the rapidly flowing liquid is blocked and stops flowing instantaneously, a significant water hammer effect is generated, so that the sleeve ring 4 vibrates horizontally, and the second scraping ring 10 and the cylindrical copper product are relatively displaced, so that the second scraping ring 10 can remove the oxide layer on the surface of the cylindrical copper product, and the cleaning effect is accelerated.

[0033] In the application, the cylindrical copper product is placed in the sleeve ring 4, the side walls of the first scraping ring 9 and the second scraping ring 10 are attached to the side wall of the cylindrical copper product, then the two telescopic rods 7 are adjusted to be elongated, so that the two cleaning plates 8 are attached to the side wall of the cylindrical copper product, then the electric push rod 2 is adjusted to be retracted, thereby driving the cylindrical copper product to move downward into the acidic liquid in the box body 1.

[0034] The driving motor 14 rotates, and then the cam 15 intermittently presses one of the telescopic rods 7. When the cam 15 presses the telescopic rod 7, the telescopic rod 7 drives the other telescopic rod 7 to move horizontally through the cylindrical copper product, and under the action of the L-shaped rod 13 and the spiral groove 12, the two telescopic rods 7 rotate during horizontal movement, so that the cleaning plate 8 cleans the circular side of the cylindrical copper product. When the cylindrical copper product moves horizontally, the first scraper ring 9 and the second scraper ring 10 scrape the surface oxides of the cylindrical copper product. When the cam 15 does not press the telescopic rod 7, the two telescopic rods 7 and the cylindrical copper product move horizontally to the initial position under the action of the third spring 30, so that the surface oxides of the cylindrical copper product are cleaned again.

[0035] Then, during the rotation of the cam 15, the two telescopic rods 7 move back and forth repeatedly, and the telescopic rod 7 away from the cam 15 intermittently presses the first semicircular plate 16, so that the space in the liquid suction cavity 18 intermittently decreases and increases, and then the liquid suction cavity 18 can pump the liquid into the strip-shaped cavity 19 under the action of the one-way liquid suction pipe 20 and the one-way liquid outlet pipe 21, and then the liquid flows out quickly from the multiple liquid injection holes 26 through the one-way liquid injection pipe 25, so as to accelerate the flow and impact force of the liquid on the surface of the cylindrical copper product, and accelerate the cleaning of the surface oxides of the cylindrical copper product.

[0036] At the same time, when the liquid flows in the strip-shaped cavity 19, the liquid is magnetized under the action of the magnetic field between the permanent magnet block 22 and the permanent magnet plate 23, so as to enhance the penetration and dissolution ability of the liquid to the surface oxides of the cylindrical copper product, and further accelerate the processing speed of the surface oxides of the cylindrical copper product.

[0037] When the first semicircular plate 16 is initially pressed and deformed, the liquid flows quickly in the strip-shaped cavity 19, and the deformation of the first semicircular plate 16 drives the pressure rod 29 to move in the side wall of the second semicircular plate 17. When the pressure rod 29 continues to move and presses the piezoelectric plate 27, the current generated on the piezoelectric plate 27 passes through the current amplifier to electrify the excitation coil 28, so that the magnetic induction line generated on the excitation coil 28 covers the magnetic induction line of the permanent magnet block 22, and then the repulsive force of the permanent magnet block 22 to the permanent magnet plate 23 disappears, and the excitation coil 28 attracts the permanent magnet plate 23, so that the permanent magnet plate 23 quickly slides towards the permanent magnet block 22, and the permanent magnet plate 23 blocks the pipe opening of the one-way liquid injection pipe 25, so that the liquid flowing quickly in the strip-shaped cavity 19 stops flowing quickly. Since the quickly flowing liquid stops flowing instantaneously when it is blocked, a water hammer effect is generated, so that the sleeve ring 4 vibrates horizontally, and then the second scraper ring 10 moves relative to the cylindrical copper product, so that the second scraper ring 10 can scrape the oxide layer on the surface of the cylindrical copper product, and further accelerate the cleaning effect.

Claims

1. A cleaning device for oxides on the surface of copper products, comprising a housing (1), characterized in that, The housing (1) is fixedly connected to a first plate (3) via two electric push rods (2). A cleaning mechanism is provided on the first plate (3). The cleaning mechanism includes a collar (4) fixedly connected to the lower end of the first plate (3) via a fixed plate. Two second plates (5) are fixedly connected to the lower end of the first plate (3). Two bearings (6) are rotatably connected to the side walls of the two second plates (5). Two telescopic rods (7) are slidably connected to the inner walls of the two bearings (6). A cleaning plate (8) is fixedly connected to the movable end of the telescopic rods (7). A first scraper ring (9) is fixedly connected to the inner wall of the collar (4). Multiple second scraper rings (10) are slidably connected to the inner wall of the collar (4). The two adjacent second scraper rings (10) are connected by a first spring (11). The side wall of the first scraper ring (9) is connected to the side wall of the second scraper ring (10) by the first spring (11). The side wall of the telescopic rod (7) is provided with a spiral groove (12). The side wall of the second plate (5) is connected with an L-shaped rod (13) that fits against the inner wall of the spiral groove (12). The collar (4) is provided with multiple strip-shaped cavities (19). The inner wall of the strip-shaped cavity (19) is fixedly connected with a T-shaped one-way spray pipe (25). The inner wall of the one-way spray pipe (25) is provided with multiple spray holes (26). The box (1) is provided with a pumping mechanism. The strip-shaped cavity (19) is provided with a magnetizing mechanism. The pump mechanism includes a first semicircular plate (16) that is sealed and fixedly connected to the inner wall of the box (1). A second semicircular plate (17) is fixedly connected to the inner wall of the box (1) located inside the first semicircular plate (16). The first semicircular plate (16), the second semicircular plate (17) and the inner wall of the box (1) form a suction chamber (18). A one-way suction pipe (20) is fixedly connected to the bottom of the suction chamber (18). The top of the suction chamber (18) is connected to the inner wall of the strip cavity (19) through a one-way discharge pipe (21). The first semicircular plate (16) is made of an elastic plate. The magnetization mechanism includes a permanent magnet plate (23) that is slidably and sealed to the inner wall of the strip cavity (19). The side wall of the permanent magnet plate (23) is elastically connected to the inner wall of the strip cavity (19) through a second spring (24). A permanent magnet block (22) is embedded in the inner wall of the strip cavity (19) away from the second spring (24). The permanent magnet block (22) and the permanent magnet plate (23) repel each other.

2. The equipment for cleaning oxides on the surface of copper products according to claim 1, characterized in that, The housing (1) is provided with a demagnetizing mechanism, which includes a piezoelectric plate (27) installed on the inner wall of the second semicircular plate (17) of the housing (1). A pressure rod (29) is slidably connected to the side wall of the second semicircular plate (17). One end of the pressure rod (29) away from the piezoelectric plate (27) is fixedly connected to the side wall of the second semicircular plate (17). An excitation coil (28) is sleeved on the side wall of the permanent magnet block (22). The direction of the magnetic induction line of the excitation coil (28) is opposite to the direction of the magnetic induction line of the permanent magnet block (22). The piezoelectric plate (27) is coupled to the excitation coil (28) through a current amplifier.

3. The equipment for cleaning oxides on the surface of copper products according to claim 1, characterized in that, The first plate (3) is provided with a driving mechanism, which includes a motor (14) fixedly connected to the upper end of the first plate (3). The movable end of the motor (14) is fixedly connected to a cam (15). The side wall of the cam (15) is in contact with the side wall of one of the telescopic rods (7), and the side wall of the telescopic rod (7) away from the cam (15) is in contact with the side wall of the first semicircular plate (16).

4. The equipment for cleaning oxides on the surface of copper products according to claim 1, characterized in that, The telescopic rod (7) has a connecting plate fixedly connected to its side wall, and the side wall of the connecting plate is elastically connected to the side wall of the bearing (6) through a third spring (30).

Citation Information

Patent Citations

  • Cleaning device for copper product surface oxidation

    CN107214121A

  • Device for removing oxide from copper continuous casting blank

    CN218059220U