Copper alloy surface polishing device

Abstract

The invention relates to the field of copper alloy machining, in particular to a copper alloy surface polishing device. According to an existing polishing device, the surface of a copper bar is not fully polished, polishing impurities are not convenient to clean in time, secondary damage to the surface of the copper bar is easily caused, the position of the copper bar is not convenient to correct, and the copper bar is easy to deflect to cause uneven polishing of the copper bar. A copper alloy surface polishing device comprises a supporting bottom plate and the like. A supporting arm is fixedly connected to the supporting bottom plate, an alternating current motor is fixedly connected to the supporting arm, a positioning disc is fixedly connected to an output shaft of the alternating current motor, a threaded rotating rod is connected to the upper portion of the positioning disc through threads, and a gasket is fixedly connected to the lower end of the threaded rotating rod. After the copper bar is polished once, the polished side face of the copper bar is placed on the positioning disc to be fixed, polishing operation is carried out again, all the surfaces of the copper bar can be polished, and the surfaces of the copper bar can be polished more sufficiently.

Description

Technical Field

[0001] The invention relates to the field of copper alloy processing, in particular to a copper alloy surface polishing device. Background Art

[0002] Copper alloy refers to an alloy formed by adding one or more other elements to copper. These elements can be zinc, tin, nickel, aluminum, lead, etc. Different added elements give copper alloys different properties and uses. In order to improve the surface performance and aesthetics of copper alloys, copper alloys are usually polished, among which copper rod polishing is more common.

[0003] However, the existing polishing device does not polish the surface of the copper rod sufficiently, and is not convenient for timely cleaning of polishing impurities, which is easy to cause secondary damage to the surface of the copper rod. It is even more inconvenient to correct the position of the copper rod, which easily causes the copper rod to deflect and cause uneven polishing. Summary of the invention

[0004] In order to overcome the shortcomings of the background technology, the purpose of the present invention is to provide a copper alloy surface polishing device which can polish more fully, is convenient for timely cleaning of impurities, and is more convenient for correcting the position of the copper rod.

[0005] The technical solution of the present invention is: a copper alloy surface polishing device, including a supporting base plate, a supporting arm fixedly connected to the supporting base plate, an AC motor fixedly connected to the supporting arm, a positioning plate fixedly connected to the output shaft of the AC motor, a threaded rotating rod threadedly connected to the upper part of the positioning plate, a gasket fixedly connected to the lower end of the threaded rotating rod, a dual-axis motor fixedly connected to the supporting base plate, a mobile polishing mechanism is arranged on the supporting base plate, the mobile polishing mechanism is used to polish the side wall of the copper rod, a rotating polishing mechanism is arranged on the supporting base plate, the rotating polishing mechanism is used to polish the top and bottom surfaces of the copper rod, and the rotating polishing mechanism is connected to the mobile polishing mechanism.

[0006] As an improvement on the above scheme, the mobile polishing mechanism includes two support rods, a rotating long rod is rotatably connected between the two support rods, a bidirectional threaded sleeve is fixedly connected to the rotating long rod, a transmission assembly is connected between one of the rotating shafts of the dual-axis motor and one side of the rotating long rod, a slide rail is fixedly connected to the support base plate, a support frame is slidably connected to the slide rail, a polishing plate is slidably connected to the upper part of the support frame, a connecting spring is connected between the polishing plate and the support frame, a thread block is fixedly connected to one side of the support frame, the thread block is threadedly connected to the bidirectional threaded sleeve, an inclined bent rod is fixedly connected to the support base plate, and a side round rod is fixedly connected to one side of the polishing plate.

[0007] As an improvement of the above scheme, the transmission assembly includes a transmission wheel one, a transmission wheel two and a transmission belt, the rotating long rod is connected to the transmission wheel one, one of the rotating shafts of the dual-axis motor is connected to the transmission wheel two, and a transmission belt is wound between the transmission wheel one and the transmission wheel two.

[0008] As an improvement on the above scheme, the rotary polishing mechanism includes a guide frame, which is fixedly connected to the support base plate, a sliding frame is slidably connected to the guide frame, a polishing disk is rotatably connected to the upper part of the sliding frame, a guide rod is fixedly connected to one side of the sliding frame, a connecting block is fixedly connected to one side of the support frame, the guide rod passes through the connecting block, a tension spring is connected between the connecting block and the guide rod, a support plate is fixedly connected to the support base plate, a polygonal rod is rotatably connected to the support plate, the polygonal rod is connected to another rotating shaft of the dual-axis motor, a linkage assembly is connected between the polygonal rod and the polishing disk, a positioning frame is fixedly connected to the side of the sliding frame away from the guide rod, two balls are rotatably connected to the positioning frame, and the two balls are respectively in contact with two sides of the linkage assembly.

[0009] As an improvement of the above scheme, the linkage assembly includes a driving wheel, a driven wheel and a linkage belt, the polygonal rod is connected to the driving wheel, the polishing disc is connected to the driven wheel, and a linkage belt is wound between the driven wheel and the driving wheel.

[0010] As an improvement of the above scheme, it also includes a scraping mechanism, which is arranged on the supporting base plate, and the scraping mechanism is connected to the sliding frame, and the scraping mechanism is used to clean impurities on the polishing plate and the polishing disc. The scraping mechanism includes a support rod, which is fixedly connected to the supporting base plate, and a rotating block is rotatably connected to the support rod, and the rotating block is hollow in shape. A torsion spring is connected between the rotating block and the support rod, and a guide bead is fixedly connected to one side of the rotating block, and a bevel rod is fixedly connected to one side of the sliding frame, and a guide groove is opened on the bevel rod, and the guide bead is located in the guide groove on the bevel rod, and an arc scraper rod is fixedly connected to the rotating block, and a straight scraper rod is slidably connected to the lower part of the arc scraper rod, and a reset spring is connected between the straight scraper rod and the arc scraper rod.

[0011] As an improvement of the above scheme, it also includes a correction mechanism, which is arranged on the supporting base plate, and is used to correct the position of the copper rod. The correction mechanism includes a column, which is fixedly connected to the supporting base plate, and a rotating frame is rotatably connected to the column, and two torsion springs are connected between the rotating frame and the supporting base plate, and a rod frame is fixedly connected to the rotating frame, and two rollers are rotatably connected to the rod frame, a bent rod is fixedly connected to the side of the rod frame close to the support arm, a fixed rod is fixedly connected to the supporting base plate, an indicator light is fixedly connected to the upper part of the fixed rod, and a power-on rod is fixedly connected to the side of the bent rod away from the rod frame, and the power-on rod is in contact with the lower part of the indicator light.

[0012] The present invention has the following advantages: 1. After the copper rod is polished once, the copper rod is taken down, one side of the copper rod that has been polished is placed on a positioning plate and fixed, and then the other side of the copper rod is polished, so that all surfaces of the copper rod can be polished, and the surface polishing of the copper rod can be more complete.

[0013] 2. When the polishing plate moves horizontally for a certain distance, the polishing impurities adhered to the lower surface will be scraped off by the arc-shaped scraper rod, and then one side of the polishing plate will contact the straight scraper rod again. Since the polishing plate is rotating, after the polishing plate contacts the straight scraper rod, the straight scraper rod will scrape off the impurities on the polishing plate, and then the polishing plate and the inclined groove rod continue to move horizontally, the reset spring is compressed, and the inclined groove rod continues to move horizontally, which will drive the guide beads and the rotating block to rotate 90° through the guide groove. Once the torsion spring is twisted, the rotating block will drive the arc-shaped scraper rod and the straight scraper rod to swing downward 90°. The straight scraper rod will lose contact with the polishing plate when it swings downward 90°, and then the polishing plate and the polishing plate continue to move horizontally to polish the surface of the copper rod. After the polishing plate moves horizontally for a certain distance away from the support arm, the guide beads and the rotating block are driven to rotate and reset through the guide groove, and then the arc-shaped scraper rod and the straight scraper rod are driven to swing upward and reset, so that the residual impurities on the polishing instrument can be automatically cleaned up in time, and the surface of the copper rod is not easily damaged by impurities.

[0014] 3. Initially, the indicator light is on. After placing the copper rod horizontally on the positioning plate, the bottom of the copper rod will contact the two rollers. When the axial direction of the copper rod does not coincide with the rotating axis of the AC motor, the copper rod and the two rollers will be in a deflected state at the same time. The deflection of the two rollers will drive the rod frame and the rotating frame to deflect together. The torsion spring is twisted, and the rod frame deflects a certain angle to drive the bending rod and the power-on rod to deflect together. When the power-on rod and the bending rod are deflected at a certain angle, the upper part of the power-on rod will be out of contact with the lower end of the indicator light, thereby changing the state of the indicator light from the on state to the off state. Then the operator can adjust and correct the axial position of the copper rod to make the indicator light, so that the operator can adjust the position of the copper rod more easily, so that the copper rod is not prone to uneven surface polishing due to inaccurate position. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the movable polishing mechanism and the rotating polishing mechanism of the present invention.

[0017] Figure 3 It is a partial three-dimensional structural schematic diagram of the rotary polishing mechanism of the present invention.

[0018] Figure 4 It is a schematic diagram of the separated three-dimensional structure of the ball, the positioning frame, the positioning plate and the threaded rotating rod of the present invention.

[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the scraping mechanism of the present invention.

[0020] Figure 6 It is a schematic diagram of the separated three-dimensional structure of the support rod and the rotating block of the present invention.

[0021] Figure 7 It is a schematic diagram of the three-dimensional structure of the correction mechanism of the present invention.

[0022] Names of the numbers in the figure: 1, support base plate, 2, support arm, 3, AC motor, 41, positioning plate, 42, threaded rotating rod, 43, gasket, 5, dual-axis motor, 61, support rod, 62, rotating long rod, 63, bidirectional threaded sleeve, 64, transmission assembly, 65, slide rail, 66, support frame, 67, polishing plate, 671, connecting spring, 68, threaded block, 69, inclined curved rod, 610, side round rod, 71, guide frame, 72, sliding frame, 73, polishing plate, 74, guide rod, 75, Connecting block, 76, tension spring, 77, support plate, 78, polygonal rod, 79, linkage assembly, 710, positioning frame, 711, ball, 81, support rod, 82, rotating block, 83, torsion spring 1, 84, guide bead, 85, inclined groove rod, 86, arc scraper rod, 87, straight scraper rod, 88, reset spring, 91, column, 92, rotating frame, 93, torsion spring 2, 94, rod frame, 95, roller, 96, bending rod, 97, fixed rod, 98, indicator light, 99, power rod. DETAILED DESCRIPTION

[0023] The above scheme is further described below in conjunction with specific examples. It should be understood that these examples are used to illustrate the present application and are not limited to the scope of the present application. The implementation conditions adopted in the examples can be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are usually the conditions in conventional experiments.

[0024] Example 1

[0025] A copper alloy surface polishing device, such as Figure 1-7 As shown, it includes a supporting base plate 1, a supporting arm 2 is fixedly connected to the supporting base plate 1, an AC motor 3 is fixedly connected to the supporting arm 2, a positioning plate 41 is fixedly connected to the output shaft of the AC motor 3, a threaded rotating rod 42 is threadedly connected to the upper part of the positioning plate 41, a gasket 43 is fixedly connected to the lower end of the threaded rotating rod 42, a dual-axis motor 5 is fixedly connected to the supporting base plate 1, a movable polishing mechanism is arranged on the supporting base plate 1, and the movable polishing mechanism is used to polish the side wall of the copper rod, and a rotating polishing mechanism is arranged on the supporting base plate 1, and the rotating polishing mechanism is used to polish the top and bottom surfaces of the copper rod, and the rotating polishing mechanism is connected to the movable polishing mechanism.

[0026] The mobile polishing mechanism includes two support rods 61, a rotating long rod 62 is rotatably connected between the two support rods 61, a bidirectional threaded sleeve 63 is fixedly connected to the rotating long rod 62, a transmission assembly 64 is connected between one of the rotating shafts of the dual-axis motor 5 and one side of the rotating long rod 62, a slide rail 65 is fixedly connected to the support base plate 1, a support frame 66 is slidably connected to the slide rail 65, a polishing plate 67 is slidably connected to the upper part of the support frame 66, a connecting spring 671 is connected between the polishing plate 67 and the support frame 66, a threaded block 68 is fixedly connected to one side of the support frame 66, the threaded block 68 is threadedly connected to the bidirectional threaded sleeve 63, an inclined curved rod 69 is fixedly connected to the support base plate 1, and a side round rod 610 is fixedly connected to one side of the polishing plate 67.

[0027] The transmission assembly 64 includes a transmission wheel 1, a transmission wheel 2 and a transmission belt. The rotating long rod 62 is connected to the transmission wheel 1, one of the rotating shafts of the dual-axis motor 5 is connected to the transmission wheel 2, and a transmission belt is wound between the transmission wheel 1 and the transmission wheel 2.

[0028] The rotary polishing mechanism includes a guide frame 71, the guide frame 71 is fixedly connected to the support base plate 1, a sliding frame 72 is slidably connected to the guide frame 71, a polishing disc 73 is rotatably connected to the upper part of the sliding frame 72, a guide rod 74 is fixedly connected to one side of the sliding frame 72, a connecting block 75 is fixedly connected to one side of the support frame 66, the guide rod 74 passes through the connecting block 75, a tension spring 76 is connected between the connecting block 75 and the guide rod 74, and a support plate 77 is fixedly connected to the support base plate 1. A polygonal rod 78 is rotatably connected to the support plate 77, and the polygonal rod 78 is connected to another rotating shaft of the dual-axis motor 5. A linkage assembly 79 is connected between the polygonal rod 78 and the polishing disc 73, and the polygonal rod 78 is used to ensure that the linkage assembly 79 can move horizontally while realizing transmission. A positioning frame 710 is fixedly connected to the side of the sliding frame 72 away from the guide rod 74, and two balls 711 are rotatably connected to the positioning frame 710, and the two balls 711 are respectively in contact with two sides of the linkage assembly 79.

[0029] The linkage assembly 79 includes a driving wheel, a driven wheel and a linkage belt. The polygonal rod 78 is connected to the driving wheel, the polishing disc 73 is connected to the driven wheel, and a linkage belt is wound between the driven wheel and the driving wheel.

[0030] In actual work, the surface of the copper rod needs to be polished. First, the operator places one end of the copper rod horizontally on the positioning plate 41, and then rotates the threaded rotating rod 42. The rotation of the threaded rotating rod 42 will drive the gasket 43 to move vertically, so that the gasket 43 squeezes one end of the copper rod and fixes one end of the copper rod. Then the operator starts the AC motor 3 first, and then starts the dual-axis motor 5. The rotation direction of the dual-axis motor 5 is opposite to that of the AC motor 3. The AC motor 3 will drive the positioning plate 41 to rotate quickly. The rotation of the positioning plate 41 will drive the copper rod to rotate together, and the rotation of the dual-axis motor 5 will cause the copper rod to rotate together. The transmission assembly 64 and the linkage assembly 79 will respectively drive the rotating long rod 62 and the polishing plate 73 to rotate together. The rotation of the rotating long rod 62 will drive the two-way threaded sleeve 63 to rotate together. The rotation of the two-way threaded sleeve 63 will drive the threaded block 68 to move back and forth horizontally. Then the horizontal movement of the threaded block 68 will drive the support frame 66 and the polishing plate 67 to move back and forth horizontally. The polishing plate 67 will first contact the side wall of the copper rod when it moves horizontally, and then the inclined curved rod 69 will squeeze the side round rod 610 to drive the polishing plate 67 to move downward, so that the polishing plate 67 will exert a pressure on the side wall of the copper rod, and then the reciprocating horizontal movement The polishing plate 67 cooperates with the rotating copper rod to polish the side wall of the copper rod. Then, when the support frame 66 moves horizontally toward the support arm 2, it will drive the guide rod 74 to move horizontally through the connecting block 75 and the tension spring 76. The horizontal movement of the guide rod 74 will drive the sliding frame 72 and the polishing plate 73 to move toward the side of the copper rod. The horizontal movement of the sliding frame 72 will drive the positioning frame 710 to move horizontally, and then drive the linkage assembly 79 to move horizontally to ensure the transmission of power. The guide bead 84 is used to contact the linkage assembly 79 without interfering with the linkage assembly. 79 operates. When the polishing disc 73 contacts one side of the copper rod, the guide frame 71 clamps the sliding frame 72, so that the sliding frame 72 no longer moves with the support frame 66 toward the support arm 2, and the tension spring 76 is stretched, so that the rotating polishing disc 73 polishes one side of the copper rod. After the copper rod is polished once, the copper rod is removed, and the polished side of the copper rod is placed on the positioning plate 41 and fixed, and then the other side of the copper rod is polished. In this way, all surfaces of the copper rod can be polished, so that the surface polishing of the copper rod can be more sufficient.

[0031] Example 2

[0032] On the basis of Example 1, Figure 5 and Figure 6As shown, it also includes a scraping mechanism, which is arranged on the supporting base plate 1 and connected to the sliding frame 72. The scraping mechanism is used to clean impurities on the polishing plate 67 and the polishing disc 73. The scraping mechanism includes a support rod 81, which is fixedly connected to the supporting base plate 1. A rotating block 82 is rotatably connected to the support rod 81, and the rotating block 82 is hollow. A torsion spring 83 is connected between the rotating block 82 and the support rod 81. A guide bead 84 is fixedly connected to one side of the rotating block 82, and a beveled groove rod 85 is fixedly connected to one side of the sliding frame 72. A guide groove is opened on the beveled groove rod 85, and the guide bead 84 is located in the guide groove on the beveled groove rod 85. An arc scraper rod 86 is fixedly connected to the rotating block 82, and a straight scraper rod 87 is slidably connected to the lower part of the arc scraper rod 86, and a reset spring 88 is connected between the straight scraper rod 87 and the arc scraper rod 86.

[0033] When the sliding frame 72, the polishing plate 67 and the polishing disc 73 move horizontally in the direction close to the support arm 2, the sliding frame 72 will drive the inclined groove rod 85 to move horizontally together. The polishing plate 67 moves horizontally for a distance and the polishing impurities adhered to the lower surface will be scraped off by the arc scraper rod 86. Then one side of the polishing disc 73 will contact the straight scraper rod 87. Since the polishing disc 73 is rotating, after the polishing disc 73 contacts the straight scraper rod 87, the straight scraper rod 87 will scrape off the impurities on the polishing disc 73. Then the polishing disc 73 and the inclined groove rod 85 continue to move horizontally. The reset spring 88 is compressed. The inclined groove rod 85 continues to move horizontally and drives the guide beads 84 and the rotating block 84 through the guide groove. 2 rotates together by 90°, the torsion spring 1 83 is twisted, and the rotating block 82 drives the arc scraper rod 86 and the straight scraper rod 87 to swing downward by 90°. The straight scraper rod 87 swings downward by 90° to break away from the polishing disc 73, and then the polishing disc 73 and the polishing plate 67 continue to move horizontally to polish the surface of the copper rod. When the polishing disc 73 moves horizontally in the direction away from the support arm 2 for a distance, the guide bead 84 and the rotating block 82 are driven to rotate and reset through the guide groove, and then the arc scraper rod 86 and the straight scraper rod 87 are driven to swing upward and reset, so that the residual impurities on the polishing device can be automatically cleaned in time, and the surface of the copper rod is not easily damaged by impurities.

[0034] Example 3

[0035] On the basis of Example 2, Figure 7As shown, a correction mechanism is also included, which is arranged on the supporting base plate 1. The correction mechanism is used to correct the position of the copper rod. The correction mechanism includes a column 91, which is fixedly connected to the supporting base plate 1. A rotating frame 92 is rotatably connected to the column 91, and a torsion spring 93 is connected between the rotating frame 92 and the supporting base plate 1. A rod frame 94 is fixedly connected to the rotating frame 92, and two rollers 95 are rotatably connected to the rod frame 94. A bent rod 96 is fixedly connected to the side of the rod frame 94 close to the support arm 2, a fixed rod 97 is fixedly connected to the supporting base plate 1, and an indicator light 98 is fixedly connected to the upper part of the fixed rod 97, and a power-on rod 99 is fixedly connected to the side of the bent rod 96 away from the rod frame 94, and the power-on rod 99 contacts the lower part of the indicator light 98.

[0036] At first, the indicator light 98 is in the on state. After the copper rod is placed horizontally on the positioning plate 41, the bottom of the copper rod will contact the two rollers 95. When the axial direction of the copper rod does not coincide with the rotating axial direction of the AC motor 3, the copper rod and the two rollers 95 will be in a deflected state at the same time. The deflection of the two rollers 95 will drive the rod frame 94 and the rotating frame 92 to deflect together, and the torsion spring 93 will be twisted. The deflection of the rod frame 94 at a certain angle will drive the bent rod 96 and the power-on rod 99 to deflect together. When the power-on rod 99 and the bent rod 96 are deflected at a certain angle, the upper part of the power-on rod 99 will be out of contact with the lower end of the indicator light 98, thereby changing the state of the indicator light 98, and the indicator light 98 changes from the on state to the off state. Then the operator can adjust and correct the axial position of the copper rod to make the indicator light 98 turn to the on state, so that the operator can adjust the position of the copper rod more easily, so that the copper rod is not easy to cause uneven surface polishing due to inaccurate position.

[0037] The above is a detailed introduction to the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for general technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A copper alloy surface polishing device, characterized in that: The invention comprises a support base plate (1), a support arm (2) is fixedly connected to the support base plate (1), an AC motor (3) is fixedly connected to the support arm (2), a positioning plate (41) is fixedly connected to the output shaft of the AC motor (3), a threaded rotating rod (42) is threadedly connected to the upper part of the positioning plate (41), a gasket (43) is fixedly connected to the lower end of the threaded rotating rod (42), a dual-axis motor (5) is fixedly connected to the support base plate (1), a movable polishing mechanism is arranged on the support base plate (1), the movable polishing mechanism is used to polish the side wall of the copper rod, and a rotary polishing mechanism is arranged on the support base plate (1), the rotary polishing mechanism is used to polish the top and bottom surfaces of the copper rod, and the rotary polishing mechanism is connected to the movable polishing mechanism.

2. A copper alloy surface polishing device according to claim 1, characterized in that: The mobile polishing mechanism comprises two supporting rods (61), a rotating long rod (62) is rotatably connected between the two supporting rods (61), a bidirectional threaded sleeve (63) is fixedly connected to the rotating long rod (62), a transmission assembly (64) is connected between one of the rotating shafts of the dual-axis motor (5) and one side of the rotating long rod (62), a slide rail (65) is fixedly connected to the supporting base plate (1), a supporting frame (66) is slidably connected to the slide rail (65), a polishing plate (67) is slidably connected to the upper part of the supporting frame (66), a connecting spring (671) is connected between the polishing plate (67) and the supporting frame (66), a threaded block (68) is fixedly connected to one side of the supporting frame (66), the threaded block (68) is threadedly connected to the bidirectional threaded sleeve (63), an inclined curved rod (69) is fixedly connected to the supporting base plate (1), and a side round rod (610) is fixedly connected to one side of the polishing plate (67).

3. A copper alloy surface polishing device according to claim 2, characterized in that: The transmission assembly (64) comprises a transmission wheel 1, a transmission wheel 2 and a transmission belt, the rotating long rod (62) is connected to the transmission wheel 1, one of the rotating shafts of the dual-axis motor (5) is connected to the transmission wheel 2, and a transmission belt is wound between the transmission wheel 1 and the transmission wheel 2.

4. A copper alloy surface polishing device according to claim 2, characterized in that: The rotary polishing mechanism comprises a guide frame (71), the guide frame (71) is fixedly connected to the support base plate (1), a sliding frame (72) is slidably connected to the guide frame (71), a polishing disc (73) is rotatably connected to the upper part of the sliding frame (72), a guide rod (74) is fixedly connected to one side of the sliding frame (72), a connecting block (75) is fixedly connected to one side of the support frame (66), the guide rod (74) passes through the connecting block (75), a tension spring (76) is connected between the connecting block (75) and the guide rod (74), and the support frame (66) is fixedly connected to the guide rod (74). A support plate (77) is fixedly connected to the support base plate (1), a polygonal rod (78) is rotatably connected to the support plate (77), the polygonal rod (78) is connected to another rotating shaft of the double-axis motor (5), a linkage assembly (79) is connected between the polygonal rod (78) and the polishing disc (73), a positioning frame (710) is fixedly connected to the side of the sliding frame (72) away from the guide rod (74), two balls (711) are rotatably connected to the positioning frame (710), and the two balls (711) are respectively in contact with two sides of the linkage assembly (79).

5. A copper alloy surface polishing device according to claim 4, characterized in that: The linkage assembly (79) comprises a driving wheel, a driven wheel and a linkage belt, the polygonal rod (78) is connected to the driving wheel, the polishing disc (73) is connected to the driven wheel, and a linkage belt is wound between the driven wheel and the driving wheel.

6. A copper alloy surface polishing device according to claim 4, characterized in that: The invention also comprises a scraping mechanism, wherein the scraping mechanism is arranged on the supporting base plate (1), the scraping mechanism is connected to the sliding frame (72), and the scraping mechanism is used to clean impurities on the polishing plate (67) and the polishing disc (73). The scraping mechanism comprises a supporting rod (81), the supporting rod (81) is fixedly connected to the supporting base plate (1), a rotating block (82) is rotatably connected to the supporting rod (81), the rotating block (82) is hollow, and the rotating block (82) is connected to the supporting rod (81). A torsion spring (83) is provided, a guide bead (84) is fixedly connected to one side of the rotating block (82), a beveled slot rod (85) is fixedly connected to one side of the sliding frame (72), a guide slot is provided on the beveled slot rod (85), the guide bead (84) is located in the guide slot on the beveled slot rod (85), an arc scraper rod (86) is fixedly connected to the rotating block (82), a straight scraper rod (87) is slidably connected to the lower part of the arc scraper rod (86), and a return spring (88) is connected between the straight scraper rod (87) and the arc scraper rod (86).

7. A copper alloy surface polishing device according to claim 6, characterized in that: The device also includes a correction mechanism, which is arranged on the support base plate (1) and is used to correct the position of the copper rod. The correction mechanism includes a column (91), which is fixedly connected to the support base plate (1), a rotating frame (92) is rotatably connected to the column (91), a torsion spring (93) is connected between the rotating frame (92) and the support base plate (1), and a rod frame (94) is fixedly connected to the rotating frame (92). The rod frame (94) is rotatably connected to two rollers (95); a bent rod (96) is fixedly connected to a side of the rod frame (94) close to the support arm (2); a fixed rod (97) is fixedly connected to the support base plate (1); an indicator light (98) is fixedly connected to the upper part of the fixed rod (97); a power-on rod (99) is fixedly connected to a side of the bent rod (96) away from the rod frame (94); and the power-on rod (99) contacts the lower part of the indicator light (98).

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