Polishing device for bottle cap machining

Abstract

The utility model discloses a polishing device for bottle cap processing, which relates to the technical field of bottle cap polishing device design, and comprises a fixed flat plate, a bottle cap fixing unit and a polishing unit, four corners of the fixed flat plate are respectively provided with chamfers, and four corners of the lower side surface of the fixed flat plate are respectively and fixedly connected with a stable supporting leg. A polishing unit and a bottle cap fixing unit are arranged on the surface of the upper side of the fixing flat plate, each bottle cap fixing unit comprises a rotating cylinder, a motor fixing frame, a first rotating motor, a fixing transverse rod, a clamping block and an auxiliary supporting rod, a round hole is formed in the position, between two supporting vertical rods in the polishing unit, of the fixing flat plate, and the round hole penetrates through the upper side and the lower side of the fixing flat plate; when the bottle cap polishing device is used, bottle caps of different specifications can be polished, the bottle caps do not need to be fixed many times during polishing, time is saved, and the polishing efficiency is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of bottle cap polishing device design, in particular to a polishing device for bottle cap processing. Background Art

[0002] Bottle caps are used to seal bottles. Bottle caps have different shapes and different operation methods according to different functions. Polishing refers to the use of mechanical, chemical or electrochemical effects to reduce the surface roughness of the workpiece to obtain a bright and flat surface. It is a modification process of the workpiece surface using polishing tools and abrasive particles or other polishing media. Metal bottle caps generally use polishing devices when processing. In order to facilitate polishing, a polishing device for bottle cap processing is needed.

[0003] The existing polishing device for processing bottle caps cannot polish bottle caps of different specifications when in use. During polishing, the bottle caps need to be fixed for multiple times to polish different surfaces, which wastes time and affects polishing efficiency. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a polishing device for bottle cap processing. When in use, bottle caps of different specifications can be polished. During polishing, there is no need to fix the bottle caps multiple times, which saves time and does not affect the polishing efficiency, and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polishing device for bottle cap processing, comprising a fixed plate, a bottle cap fixing unit, and a polishing unit;

[0006] Fixed plate: chamfers are arranged at the four corners, a stable support leg is fixedly connected to the four corners of the lower surface of the fixed plate, and a polishing unit is arranged on the upper surface of the fixed plate;

[0007] The bottle cap fixing unit comprises a rotating cylinder, a motor fixing frame, a rotating motor 1, a fixed cross bar, a clamping block and an auxiliary support rod, a circular hole is opened on the fixed plate at a position between the two supporting vertical rods in the polishing unit, the circular hole passes through the upper and lower sides of the fixed plate, and the circular hole is rotatably connected to the rotating cylinder through a bearing, the lower side surface of the fixed plate is located at a position where the edge of the rotating cylinder is fixedly connected to a motor fixing frame, a rotating motor 1 is fixedly connected in the motor fixing frame, the output shaft of the rotating motor 1 is fixedly connected to the lower end of the corresponding rotating cylinder, the upper end of the rotating cylinder is provided with a clamping hole, the clamping hole is fixedly clamped with the clamping block, the rotating cylinder is fixedly connected to the clamping block through a pin shaft, a fixed cross bar is fixedly connected to the upper side surface of the clamping block, and the lower side surface of the fixed cross bar is located at the positions on both sides of the rotating cylinder and is respectively fixedly connected to an auxiliary support rod, the lower ends of the two auxiliary support rods are fixedly connected to a rotating cylinder, and the input end of the rotating motor 1 is electrically connected to the output end of an external power supply through an external control switch group.

[0008] The fixed plate is used to fix the device, the stable support legs are used to support the device, the polishing unit is used to polish the bottle cap, the motor fixing frame is used to fix the rotating motor, and when the rotating motor is started, the rotating cylinder is rotated to drive the fixed cross bar to rotate, so as to facilitate the rotation of the bottle cap and polishing. The auxiliary support rod is used to provide auxiliary support to the fixed cross bar, and the clamping block is used to fix the fixed cross bar, so as to facilitate the fixing of the fixed cross bar on the rotating cylinder, so as to fix the bottle cap for easy use.

[0009] Furthermore, the bottle cap fixing unit also includes a bidirectional threaded column, a movable slider 1, a clamping cylinder and a bottle cap fixing seat, a sliding groove is provided on the upper side surface of the fixed cross bar, and the bidirectional threaded column is rotatably connected in the sliding groove, and the threads on the bidirectional threaded column are in opposite directions, and two equally spaced movable sliders 1 are slidably connected in the sliding groove on the fixed cross bar, and the screw holes on the two movable sliders 1 are threadedly connected on the corresponding bidirectional threaded columns, and the upper side surfaces of the two movable sliders 1 are respectively fixedly connected to a clamping cylinder, and the upper ends of the two clamping cylinders are respectively fixedly connected to a bottle cap fixing seat, and the non-corresponding sides of the two bottle cap fixing seats are respectively provided with fixed suction cups.

[0010] The bidirectional threaded column is used to move the movable slider, the movable slider is used to fix the clamping cylinder, the clamping cylinder is used to fix the bottle cap fixing seat, and the bottle cap fixing seat is used to fix the inner surface of the bottle cap, so as to facilitate the fixing of bottle caps of different specifications and facilitate polishing.

[0011] Furthermore, the bottle cap fixing unit also includes a motor fixing plate and a rotating motor 2. The right side surface of the fixed cross bar is located at the front and rear sides of the two-way threaded column and is fixedly connected to a motor fixing plate. A rotating motor 2 is fixedly connected between the two motor fixing plates. The right end of the two-way threaded column passes through the right side of the fixed cross bar and is fixedly connected to the output shaft of the rotating motor 2. The input end of the rotating motor 2 is electrically connected to the output end of the external power supply through an external control switch group.

[0012] The motor fixing plate is used to fix the rotating motor 2. The rotating motor 2 is started to drive the bidirectional threaded column to rotate, so as to provide power for fixing bottle caps of different specifications, thereby fixing the bottle caps.

[0013] Furthermore, the polishing unit includes a supporting vertical rod, a connecting plate, a movable slider 2, a hydraulic cylinder fixing frame, a hydraulic cylinder 2, a polishing machine fixing seat and a polishing machine, the upper side surface of the fixed plate is located at positions on the left and right sides of the fixed cross bar and is fixedly connected to a supporting vertical rod respectively, and the position between the two supporting vertical rods is fixedly connected to a connecting plate, and the connecting plate is provided with a sliding groove 2, and the sliding groove 2 passes through the upper and lower sides of the connecting plate, and a movable slider 2 is slidably connected in the sliding groove 2, and the upper side surface of the movable slider 2 is fixedly connected to a hydraulic cylinder fixing frame, and a hydraulic cylinder 2 is fixedly connected to the hydraulic cylinder fixing frame, and the extended end of the hydraulic cylinder 2 passes through the movable slider 2 and is fixedly connected to the polishing machine fixing seat, and a limiting groove is provided on the lower side surface of the polishing machine fixing seat, and a polishing machine is arranged in the limiting groove, and the polishing machine corresponds to the bottle cap fixing seat, and the input ends of the hydraulic cylinder 2 and the polishing machine are electrically connected to the output end of an external power supply through an external control switch group.

[0014] The supporting vertical rod is used to fix the connecting plate, the connecting plate is used to fix the movable slider two, the movable slider two moves to drive the hydraulic cylinder fixing frame to move, the hydraulic cylinder fixing frame is used to fix the hydraulic cylinder two, the hydraulic cylinder two is used to adjust the up and down position to adjust the polishing machine fixing seat, the polishing machine fixing seat is used to fix the polishing machine, the polishing machine is used to polish the upper surface of the bottle cap, thereby facilitating polishing, the polishing machine uses an industrial belt polisher to polish the bottle cap.

[0015] Furthermore, the polishing unit also includes a hydraulic cylinder fixing seat and a hydraulic cylinder 1. The upper surface of the connecting plate is fixedly connected to a hydraulic cylinder fixing seat at a position located on the left side of the slide groove 2. A hydraulic cylinder 1 is fixedly connected to the hydraulic cylinder fixing seat. The right end of the hydraulic cylinder 1 is fixedly connected to the corresponding hydraulic cylinder fixing frame. The input end of the hydraulic cylinder 1 is electrically connected to the output end of the external power supply through an external control switch group.

[0016] The hydraulic cylinder fixing seat is used to fix the hydraulic cylinder one. When the hydraulic cylinder one is started, it is convenient to adjust the position of the movable slider two, thereby facilitating the polishing of the upper surface of the bottle cap for use.

[0017] Furthermore, the polishing unit also includes an electric push rod and a polishing plate. A rectangular groove is opened on the corresponding side of the two supporting vertical rods at the position corresponding to the bottle cap fixing seat. An electric push rod is fixedly connected in each of the two rectangular grooves. The corresponding ends of the two electric push rods are fixedly connected to the polishing plate respectively. The input end of the electric push rod is electrically connected to the output end of the external power supply through an external control switch group.

[0018] The electric push rod is used to adjust the position of the polishing plate, and the polishing plate is used to polish the side of the bottle cap, thereby polishing the side.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The polishing device for bottle cap processing has the following advantages: a bottle cap fixing unit is provided, and a motor fixing frame is used to fix the rotating motor 1, and the rotating motor 1 is started to rotate the rotating cylinder to drive the fixed cross bar to rotate, so as to facilitate the rotation of the bottle cap and facilitate polishing, the auxiliary support rod is used to auxiliary support the fixed cross bar, the clamping block is used to fix the fixed cross bar, so as to facilitate the fixing of the fixed cross bar on the rotating cylinder, the bidirectional threaded column is used to move the moving slider 1, the moving slider 1 is used to fix the clamping cylinder, the clamping cylinder is used to fix the bottle cap fixing seat, the bottle cap fixing seat is used to fix the inner surface of the bottle cap, the motor fixing plate is used to fix the rotating motor 2, and the rotating motor 2 is started to drive the bidirectional threaded column to rotate to fix the bottle cap;

[0021] 2. The polishing device for bottle cap processing has the following advantages: a polishing unit is provided, and a supporting vertical rod is used to fix a connecting plate, and the connecting plate is used to fix a second movable slider, and the second movable slider moves to drive a hydraulic cylinder fixing frame to move, and the hydraulic cylinder fixing frame is used to fix the second hydraulic cylinder, and the second hydraulic cylinder is used to adjust the upper and lower positions to adjust the polishing machine fixing seat, and the polishing machine fixing seat is used to fix the polishing machine, and the polishing machine is used to polish the upper surface of the bottle cap, and the hydraulic cylinder fixing seat is used to fix the first hydraulic cylinder, and the first hydraulic cylinder is started to facilitate the adjustment of the position of the second movable slider, thereby facilitating the polishing of the upper surface of the bottle cap, and the electric push rod is used to adjust the position of the polishing plate, and the polishing plate is used to polish the side of the bottle cap to perform polishing;

[0022] 3. The polishing device for bottle cap processing has the following advantages: when in use, bottle caps of different specifications can be polished, and when polishing, there is no need to fix the bottle caps multiple times, which saves time and does not affect the polishing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the back cross-sectional structure of the utility model;

[0025] Figure 3 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0026] In the figure: 1 fixed plate, 2 stable support legs, 3 bottle cap fixing unit, 31 rotating cylinder, 32 motor fixing frame, 33 rotating motor 1, 34 fixed cross bar, 35 clamping block, 36 bidirectional threaded column, 37 moving slider 1, 38 clamping cylinder, 39 bottle cap fixing seat, 310 motor fixing plate, 311 rotating motor 2, 312 auxiliary support rod, 4 polishing unit, 41 supporting vertical rod, 42 connecting plate, 43 hydraulic cylinder fixing seat, 44 hydraulic cylinder 1, 45 moving slider 2, 46 hydraulic cylinder fixing frame, 47 hydraulic cylinder 2, 48 polishing machine fixing seat, 49 polishing machine, 410 electric push rod, 411 polishing plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-3 , This embodiment provides a technical solution: a polishing device for bottle cap processing, comprising a fixed plate 1, a bottle cap fixing unit 3, and a polishing unit 4;

[0029] Fixed plate 1: chamfers are arranged at four corners, a stable support leg 2 is fixedly connected to the four corners of the lower surface of the fixed plate 1, and a polishing unit 4 is arranged on the upper surface of the fixed plate 1;

[0030] The bottle cap fixing unit 3 includes a rotating cylinder 31, a motor fixing frame 32, a rotating motor 33, a fixed cross bar 34, a clamping block 35 and an auxiliary support rod 312. A circular hole is provided on the fixed plate 1 between the two supporting vertical bars 41 in the polishing unit 4. The circular hole passes through the upper and lower sides of the fixed plate 1. The circular hole is rotatably connected to the rotating cylinder 31 through a bearing. The lower surface of the fixed plate 1 is fixedly connected to a motor fixing frame 32 at the edge of the rotating cylinder 31. A rotating motor 33 is fixedly connected to the motor fixing frame 32. The output shaft of the rotating motor 33 It is fixedly connected to the lower end of the corresponding rotating cylinder 31, and a clamping hole is opened at the upper end of the rotating cylinder 31, which is fixedly clamped with the clamping block 35. The rotating cylinder 31 is fixedly connected to the clamping block 35 through a pin shaft, and a fixed cross bar 34 is fixedly connected to the upper surface of the clamping block 35. The lower surface of the fixed cross bar 34 is located at the positions on both sides of the rotating cylinder 31 and is fixedly connected to an auxiliary support rod 312 respectively. The lower ends of the two auxiliary support rods 312 are fixedly connected to a rotating cylinder 31, and the input end of the rotating motor 33 is electrically connected to the output end of the external power supply through an external control switch group.

[0031] The fixed plate 1 is used to fix the device, the stable support leg 2 is used to support the device, the polishing unit 4 is used to polish the bottle cap, the motor fixing frame 32 is used to fix the rotating motor 33, and the rotating motor 33 is started to rotate the rotating cylinder 31 to drive the fixed cross bar 34 to rotate, so as to facilitate the rotation of the bottle cap and polishing. The auxiliary support rod 312 is used to provide auxiliary support to the fixed cross bar 34, and the clamping block 35 is used to fix the fixed cross bar 34, so as to facilitate the fixing of the fixed cross bar 34 on the rotating cylinder 31, so as to fix the bottle cap for easy use.

[0032] The bottle cap fixing unit 3 also includes a bidirectional threaded column 36, a movable slider 37, a clamping cylinder 38 and a bottle cap fixing seat 39. A sliding groove is provided on the upper side surface of the fixed cross bar 34, and the bidirectional threaded column 36 is rotatably connected in the sliding groove. The threads on the bidirectional threaded column 36 are in opposite directions. Two equally spaced movable sliders 37 are slidably connected in the sliding groove on the fixed cross bar 34. The screw holes on the two movable sliders 37 are threadedly connected on the corresponding bidirectional threaded columns 36. The upper side surfaces of the two movable sliders 37 are respectively fixedly connected to a clamping cylinder 38. The upper ends of the two clamping cylinders 38 are respectively fixedly connected to a bottle cap fixing seat 39. The non-corresponding sides of the two bottle cap fixing seats 39 are respectively provided with fixed suction cups.

[0033] The bidirectional threaded column 36 is used to move the movable slider 37, and the movable slider 37 is used to fix the clamping cylinder 38. The clamping cylinder 38 is used to fix the bottle cap fixing seat 39, and the bottle cap fixing seat 39 is used to fix the inner surface of the bottle cap, so as to facilitate the fixing of bottle caps of different specifications and facilitate polishing.

[0034] The bottle cap fixing unit 3 also includes a motor fixing plate 310 and a rotating motor 2 311. The right side surface of the fixed cross bar 34 is located at the front and rear sides of the two-way threaded column 36 and is fixedly connected to a motor fixing plate 310. A rotating motor 2 311 is fixedly connected between the two motor fixing plates 310. The right end of the two-way threaded column 36 passes through the right side of the fixed cross bar 34 and is fixedly connected to the output shaft of the rotating motor 2 311. The input end of the rotating motor 2 311 is electrically connected to the output end of the external power supply through an external control switch group.

[0035] The motor fixing plate 310 is used to fix the second rotating motor 311. When the second rotating motor 311 is started, it drives the bidirectional threaded column 36 to rotate, thereby providing power for fixing bottle caps of different specifications, thereby fixing the bottle caps.

[0036] The polishing unit 4 includes a support vertical rod 41, a connecting plate 42, a movable slide block 45, a hydraulic cylinder fixing frame 46, a hydraulic cylinder 47, a polishing machine fixing seat 48 and a polishing machine 49. The upper surface of the fixed plate 1 is located at the left and right sides of the fixed cross bar 34, and a support vertical rod 41 is fixedly connected to the position between the two support vertical rods 41. A connecting plate 42 is fixedly connected. A sliding groove 2 is opened on the connecting plate 42. The sliding groove 2 runs through the upper and lower sides of the connecting plate 42. A movable slide block is slidably connected in the sliding groove 2. Block 2 45, a hydraulic cylinder fixing frame 46 is fixedly connected to the upper surface of the movable slider 2 45, a hydraulic cylinder 2 47 is fixedly connected to the hydraulic cylinder fixing frame 46, an extended end of the hydraulic cylinder 2 47 passes through the movable slider 2 45 and is fixedly connected to the polishing machine fixing seat 48, a limiting groove is provided on the lower surface of the polishing machine fixing seat 48, a polishing machine 49 is arranged in the limiting groove, and the polishing machine 49 corresponds to the bottle cap fixing seat 39, and the input ends of the hydraulic cylinder 2 47 and the polishing machine 49 are electrically connected to the output end of the external power supply through an external control switch group.

[0037] The supporting vertical rod 41 is used to fix the connecting plate 42, and the connecting plate 42 is used to fix the movable slider 45. The movable slider 45 moves to drive the hydraulic cylinder fixing frame 46 to move. The hydraulic cylinder fixing frame 46 is used to fix the hydraulic cylinder 47. The hydraulic cylinder 47 is used to adjust the up and down positions to adjust the polishing machine fixing seat 48. The polishing machine fixing seat 48 is used to fix the polishing machine 49. The polishing machine 49 is used to polish the upper surface of the bottle cap, thereby facilitating polishing. The polishing machine 49 adopts an industrial belt polisher to polish the bottle cap.

[0038] The polishing unit 4 also includes a hydraulic cylinder fixing seat 43 and a hydraulic cylinder 1 44. A hydraulic cylinder fixing seat 43 is fixedly connected to the upper surface of the connecting plate 42 at a position located on the left side of the slide groove 2. A hydraulic cylinder 1 44 is fixedly connected to the hydraulic cylinder fixing seat 43. The right end of the hydraulic cylinder 1 44 is fixedly connected to the corresponding hydraulic cylinder fixing bracket 46. The input end of the hydraulic cylinder 1 44 is electrically connected to the output end of the external power supply through an external control switch group.

[0039] The hydraulic cylinder fixing seat 43 is used to fix the hydraulic cylinder 1 44. When the hydraulic cylinder 1 44 is started, it is convenient to adjust the position of the movable slider 2 45, thereby facilitating the polishing of the upper surface of the bottle cap for use.

[0040] The polishing unit 4 also includes an electric push rod 410 and a polishing plate 411. A rectangular groove is provided on the corresponding side of the two supporting vertical rods 41 at the position corresponding to the bottle cap fixing seat 39. An electric push rod 410 is fixedly connected in each of the two rectangular grooves. The corresponding ends of the two electric push rods 410 are fixedly connected to the polishing plate 411 respectively. The input end of the electric push rod 410 is electrically connected to the output end of the external power supply through an external control switch group.

[0041] The electric push rod 410 is used to adjust the position of the polishing plate 411, and the polishing plate 411 is used to polish the side of the bottle cap, thereby polishing the side.

[0042] The working principle of a polishing device for bottle cap processing provided by the utility model is as follows: first, the motor fixing frame 32 is used to fix the rotating motor 1 33, and the rotating motor 1 33 is started to rotate the rotating cylinder 31 to drive the fixed cross bar 34 to rotate, so as to facilitate the rotation of the bottle cap and facilitate polishing. The auxiliary support rod 312 is used to provide auxiliary support for the fixed cross bar 34, and the clamping block 35 is used to fix the fixed cross bar 34 to facilitate the fixing of the fixed cross bar 34 on the rotating cylinder 31. The bidirectional threaded column 36 is used to move the moving slider 1 37, and the moving slider 1 37 is used to fix the clamping cylinder 38. The clamping cylinder 38 is used to fix the bottle cap fixing seat 39, and the bottle cap fixing seat 39 is used to fix the inner surface of the bottle cap. The motor fixing plate 310 is used to fix the rotating motor 2 311, and the rotating motor 2 311 is started to drive the bidirectional threaded column 36 to move the moving slider 1 37. The threaded column 36 rotates to fix the bottle cap. After fixation, the supporting vertical rod 41 is used to fix the connecting plate 42. The connecting plate 42 is used to fix the movable slider 2 45. The movable slider 2 45 moves to drive the hydraulic cylinder fixing frame 46 to move. The hydraulic cylinder fixing frame 46 is used to fix the hydraulic cylinder 2 47. The hydraulic cylinder 2 47 is used to adjust the up and down positions to adjust the polishing machine fixing seat 48. The polishing machine fixing seat 48 is used to fix the polishing machine 49. The polishing machine 49 is used to polish the upper surface of the bottle cap. The hydraulic cylinder fixing seat 43 is used to fix the hydraulic cylinder 1 44. The hydraulic cylinder 1 44 is started to facilitate the adjustment of the position of the movable slider 2 45, thereby facilitating the polishing of the upper surface of the bottle cap. The electric push rod 410 is used to adjust the position of the polishing plate 411. The polishing plate 411 is used to polish the side of the bottle cap for polishing.

[0043] It is worth noting that the core chip of the external control switch group disclosed in the above embodiments is a PLC single-chip microcomputer, the polishing machine 49 adopts an industrial belt polishing machine, the rotating motor 33 and the rotating motor 33 adopt servo motors, and the external control switch group controls the polishing machine 49, hydraulic cylinder 1 44, electric push rod 410, hydraulic cylinder 2 47, rotating motor 1 33 and rotating motor 33 to work using methods commonly used in the prior art.

[0044] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A polishing device for bottle cap processing, characterized in that: It comprises a fixing plate (1), a bottle cap fixing unit (3), and a polishing unit (4); A fixed plate (1): the four corners are respectively provided with chamfers, the four corners of the lower surface of the fixed plate (1) are respectively fixedly connected to a stable support leg (2), and the upper surface of the fixed plate (1) is provided with a polishing unit (4); The bottle cap fixing unit (3) comprises a rotating cylinder (31), a motor fixing frame (32), a rotating motor (33), a fixing cross bar (34), a clamping block (35) and an auxiliary support bar (312). A circular hole is provided on the fixing plate (1) at a position between two supporting vertical bars (41) in the polishing unit (4). The circular hole penetrates the upper and lower sides of the fixing plate (1). The circular hole is rotatably connected to the rotating cylinder (31) through a bearing. The lower surface of the fixing plate (1) is fixedly connected to a motor fixing frame (32) at a position at the edge of the rotating cylinder (31). A rotating motor (33) is fixedly connected to the motor fixing frame (32). The rotating motor (33) ) is fixedly connected to the lower end of the corresponding rotating cylinder (31); a clamping hole is provided at the upper end of the rotating cylinder (31), and a clamping block (35) is fixedly clamped in the clamping hole; the rotating cylinder (31) is fixedly connected to the clamping block (35) via a pin shaft; a fixed cross bar (34) is fixedly connected to the upper surface of the clamping block (35); an auxiliary support rod (312) is fixedly connected to the lower surface of the fixed cross bar (34) at positions on both sides of the rotating cylinder (31); the lower ends of the two auxiliary support rods (312) are fixedly connected to a rotating cylinder (31); and the input end of the rotating motor 1 (33) is electrically connected to the output end of an external power supply via an external control switch group.

2. A polishing device for bottle cap processing according to claim 1, characterized in that: The bottle cap fixing unit (3) further comprises a bidirectional threaded column (36), a movable slider (37), a clamping cylinder (38) and a bottle cap fixing seat (39); a sliding groove is provided on the upper side surface of the fixed cross bar (34), and the bidirectional threaded column (36) is rotatably connected in the sliding groove; the threads on the bidirectional threaded column (36) are in opposite directions; two equally spaced movable sliders (37) are slidably connected in the sliding groove on the fixed cross bar (34); the screw holes on the two movable sliders (37) are threadedly connected on the corresponding bidirectional threaded column (36); the upper side surfaces of the two movable sliders (37) are respectively fixedly connected to a clamping cylinder (38); the upper ends of the two clamping cylinders (38) are respectively fixedly connected to a bottle cap fixing seat (39); and the non-corresponding sides of the two bottle cap fixing seats (39) are respectively provided with fixed suction cups.

3. A polishing device for bottle cap processing according to claim 2, characterized in that: The bottle cap fixing unit (3) further comprises a motor fixing plate (310) and a second rotating motor (311); the right side surface of the fixing cross bar (34) is fixedly connected to a motor fixing plate (310) at positions on both sides of the bidirectional threaded column (36) in front and behind; a second rotating motor (311) is fixedly connected between the two motor fixing plates (310); the right end of the bidirectional threaded column (36) passes through the right side of the fixing cross bar (34) and is fixedly connected to the output shaft of the second rotating motor (311); the input end of the second rotating motor (311) is electrically connected to the output end of an external power supply via an external control switch group.

4. A polishing device for bottle cap processing according to claim 1, characterized in that: The polishing unit (4) comprises a supporting vertical rod (41), a connecting plate (42), a second movable slide block (45), a hydraulic cylinder fixing frame (46), a second hydraulic cylinder (47), a polishing machine fixing seat (48) and a polishing machine (49); the upper surface of the fixed plate (1) is fixedly connected to a supporting vertical rod (41) at positions on the left and right sides of the fixed cross bar (34); a connecting plate (42) is fixedly connected to the position between the two supporting vertical rods (41); a second slide groove is provided on the connecting plate (42); the second slide groove runs through the upper and lower sides of the connecting plate (42); a movable slide block is slidably connected in the second slide groove The movable slider (45) is fixedly connected to a hydraulic cylinder fixing frame (46) on the upper side surface of the movable slider (45), and a hydraulic cylinder (47) is fixedly connected to the hydraulic cylinder fixing frame (46). The extended end of the hydraulic cylinder (47) passes through the movable slider (45) and is fixedly connected to the polishing machine fixing seat (48). The lower side surface of the polishing machine fixing seat (48) is provided with a limiting groove, and a polishing machine (49) is arranged in the limiting groove. The polishing machine (49) corresponds to the bottle cap fixing seat (39). The input ends of the hydraulic cylinder (47) and the polishing machine (49) are electrically connected to the output end of the external power supply through an external control switch group.

5. A polishing device for bottle cap processing according to claim 4, characterized in that: The polishing unit (4) further comprises a hydraulic cylinder fixing seat (43) and a hydraulic cylinder one (44); the upper surface of the connecting plate (42) is fixedly connected to a hydraulic cylinder fixing seat (43) at a position on the left side of the second slide slot; a hydraulic cylinder one (44) is fixedly connected to the hydraulic cylinder fixing seat (43); the right end of the hydraulic cylinder one (44) is fixedly connected to a corresponding hydraulic cylinder fixing frame (46); the input end of the hydraulic cylinder one (44) is electrically connected to the output end of an external power supply via an external control switch group.

6. The polishing device for bottle cap processing according to claim 4, characterized in that: The polishing unit (4) further comprises an electric push rod (410) and a polishing plate (411); a rectangular groove is provided on one side of the two supporting vertical rods (41) at a position corresponding to the bottle cap fixing seat (39); an electric push rod (410) is fixedly connected in each of the two rectangular grooves; one end of the two electric push rods (410) is fixedly connected to the polishing plate (411); and the input end of the electric push rod (410) is electrically connected to the output end of an external power supply via an external control switch group.

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