Multi-stage polishing device

Abstract

The utility model discloses a multi-stage polishing device which comprises a machine frame and a machine table, a polishing system, a scrap blowing system and a material moving system are installed on the machine frame, the polishing system comprises a coarse-stage polishing assembly, an intermediate-stage polishing assembly and a fine-stage polishing assembly, and the scrap blowing system comprises a first air opening and a second air opening. The material moving system comprises two sets of chains and bearings which are arranged in parallel, the two ends of each chain are meshed with an integrated gear and a tensioning assembly respectively, the two ends of each bearing are fixedly connected with the integrated gears respectively, and the chains are provided with fixing connectors used for fixing the material carrying table. The coarse-grade polishing assembly, the intermediate-grade polishing assembly and the fine-grade polishing assembly are arranged, products are conveyed through the material moving system, so that the products are polished by the coarse-grade polishing assembly, the intermediate-grade polishing assembly and the fine-grade polishing assembly respectively, the loss of a polishing shaft is effectively reduced, and the large-batch and few-variety continuous operation efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polishing devices, in particular to a multi-stage polishing device. Background Technique

[0002] A polishing device is a common device for operating on the surface of flat workpieces in industrial production and manufacturing. Through the operation of the polishing device, the surface of the workpiece can be made smoother. CN217833000U discloses a polishing device, including a fixed table and a rotary clamping mechanism. The rotary clamping mechanism includes a rotary drive assembly, a rotary table and a clamping assembly; the rotary drive assembly is arranged on the fixed table, and the drive end of the rotary drive assembly is connected to the rotary table for driving the rotary table to rotate; a clamping assembly is arranged on the rotary table, and the clamping assembly is used for clamping the workpiece to be polished; a polishing mechanism, the polishing mechanism includes a polishing bracket, a vertical drive assembly, a horizontal drive assembly and a polishing assembly. The polishing bracket is arranged on the fixed table; the vertical drive assembly is arranged on the polishing bracket, and the drive end of the vertical drive assembly is connected to the horizontal drive assembly for driving the horizontal drive assembly to move in the vertical direction; the drive end of the horizontal drive assembly is connected to the polishing assembly for driving the polishing assembly to move in the horizontal direction; the upper polishing assembly is used for grinding the workpiece to be polished.

[0003] In the above technical solution, a polishing wheel is always used for polishing, and the polishing wheel will be damaged more seriously and needs to be replaced frequently, which is not conducive to the continuous operation efficiency of large quantities and few varieties. In addition, fine chips will inevitably be generated during the polishing process. If not cleaned in time, the surface of the product will also be damaged. Content of the Utility Model

[0004] The purpose of the utility model is to provide a multi-stage polishing device to solve the problems of improving the continuous operation efficiency of large quantities and few varieties and chip cleaning in the background technique.

[0005] To achieve the purpose, the utility model provides the following technical solution: A multi-stage polishing device, including a frame and a machine table. A polishing system, a chip blowing system and a material moving system are installed on the frame. The polishing system includes a rough polishing component, an intermediate polishing component and a fine polishing component. The intermediate polishing component and the fine polishing component share a second motor. Each polishing component includes a polishing shaft. Both ends of the polishing shaft are rotatably connected to a limit block. The limit block is installed in the groove of the U-shaped plate. The top of the U-shaped plate is screwed with a cover plate. The center of the cover plate is screwed with a tightening rod. A spring is integrally formed at the end of the tightening rod. The spring abuts against the limit block to prevent damage to the material during the polishing process.

[0006] The chip blowing system includes a first air outlet and a second air outlet. The first air outlet is located between the rough polishing component and the intermediate polishing component, and the second air outlet is located between the intermediate polishing component and the fine polishing component.

[0007] The material moving system includes two sets of chains and bearings arranged in parallel. One integral gear is engaged at each end of each chain, and a tensioning component is engaged therewith. One integral gear is fixedly connected to each end of each bearing. A fixed interface is provided on the chain for fixing the material carrier platform.

[0008] Preferably, the rough polishing component includes a first motor. A first driving wheel is fixedly connected to the output end of the first motor. A belt is rotatably connected to the first driving wheel. A first driven wheel is rotatably connected to the end of the belt away from the first driving wheel. The first driven wheel is fixedly connected to the polishing shaft.

[0009] Preferably, a second driving wheel is fixedly connected to the output end of the second motor. A second belt is rotatably connected to the second driving wheel. A main driven wheel is rotatably connected to the end of the second belt away from the second driving wheel. The main driven wheel is fixedly connected to the polishing shaft, thereby forming the transmission structure of the fine polishing component.

[0010] Preferably, a secondary driven wheel is fixedly connected between the main driven wheel and the polishing shaft. A third belt is rotatably connected to the secondary driven wheel. A third driven wheel is rotatably connected to the end of the third belt away from the secondary driven wheel. The third driven wheel is fixedly connected to the polishing shaft, thereby forming the transmission structure of the intermediate polishing component.

[0011] Preferably, the chip blowing system further includes a centrifugal fan. An air duct is sleeved on the output end of the centrifugal fan. The air duct is respectively communicated with a first air outlet and a second air outlet.

[0012] Preferably, the tensioning component includes a tensioning wheel engaged with the chain. A second bearing is sleeved on the tensioning wheel. The second bearing is fixedly connected with a lock plate through bolts. The lock plate is fixedly connected with a connecting plate through bolts. A through groove is formed in the connecting plate. The second bearing penetrates through the through groove. A positioning plate is fixedly installed at the top of the connecting plate. A limiting rod is bolted in the middle of the positioning plate. The limiting rod can abut against the lock plate to limit the height of the tensioning wheel.

[0013] Preferably, a strip-shaped through groove is formed in the lock plate. The strip-shaped through groove cooperates with a screw rod to press the lock plate on one side of the connecting plate. The strip-shaped through groove can adjust the up and down height of the tensioning wheel.

[0014] Preferably, the material moving system further includes a power motor. A driving gear is fixedly connected to the output end of the power motor. A power chain is rotatably connected to the driving gear. The other end of the power chain is rotatably connected to a driven gear. The driven gear is fixedly connected to the left bearing, thereby driving the bearing to rotate.

[0015] Preferably, a partition plate is arranged in the middle of each chain to play a protective role.

[0016] Preferably, the frame is equipped with positioning feet and pulleys, and the machine table is equipped with a polishing system, a chip blowing system, and a material moving system.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] 1. The present utility model is provided with a rough polishing component, an intermediate polishing component, and a fine polishing component, and uses the material moving system to transport products, so that the products are polished by the rough polishing component, the intermediate polishing component, and the fine polishing component respectively, effectively reducing the loss of the polishing shaft and greatly improving the continuous operation efficiency of large quantities and few varieties.

[0019] 2. The present utility model is provided with a first air outlet between the rough polishing component and the intermediate polishing component, and a second air outlet between the intermediate polishing component and the fine polishing component to clean the chips on the surface of the product before the product enters the next-level polishing component, reducing the possibility of surface damage to the workpiece and protecting the polishing shaft at the same time.

[0020] 3. The end of the adjusting rod of the present utility model is integrally formed with a spring, giving the polishing shaft space to move up and down, and avoiding mechanical damage caused by hard collision between the polishing shaft and the product. Description of the Drawings

[0021] Figure 1 is a perspective view of the present utility model;

[0022] Figure 2 is a partial structural schematic diagram of the present utility model;

[0023] Figure 3 is a top view structural schematic diagram of the present utility model;

[0024] Figure 4 is a partial structural schematic diagram of the present utility model;

[0025] Figure 5 is a structural schematic diagram of the tensioning component of the present utility model.

[0026] In the figure: 1, frame; 2, machine table; 3, fixed plate; 4, bearing; 5, integral gear; 6, chain; 7, tensioning assembly; 701, tensioning wheel; 702, connecting plate; 703, locking plate; 704, positioning plate; 705, limiting rod; 706, second bearing; 8, partition plate; 9, first motor; 10, belt; 11, cover plate; 12, U-shaped plate; 13, polishing shaft; 14, limiting block; 15, tightening rod; 16, second motor; 17, power motor; 18, driving gear; 19, power chain; 20, driven gear; 21, positioning foot; 22, pulley; 23, air duct; 24, first air outlet; 25, second air outlet; 26, centrifugal fan; 27, second belt; 28, third belt; 29, first driving wheel; 30, first driven wheel; 31, third driven wheel; 32, second driving wheel; 33, auxiliary follower wheel; 34, main follower wheel. Detailed implementation manners

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0028] Please refer to Figures 1-5, the present utility model provides a technical solution: a multi-stage polishing device, including a frame 1 and a machine table 2. A polishing system, a chip blowing system, and a material moving system are installed on the frame 1. The polishing system includes a rough polishing component, an intermediate polishing component, and a fine polishing component. The intermediate polishing component and the fine polishing component share a second motor 16. Each polishing component includes a polishing shaft 13. Both ends of the polishing shaft 13 are rotatably connected to a limit block 14. The limit block 14 is installed in the groove of the U-shaped plate 12. The top of the U-shaped plate 12 is screwed with a cover plate 11. The center of the cover plate 11 is screwed with a tightening rod 15. A spring is integrally formed at the end of the tightening rod 15. The spring abuts against the limit block 14, which plays a role in preventing damage to the material during the polishing process. The rough polishing component includes a first motor 9. The output end of the first motor 9 is fixedly connected to a first driving wheel 29. The first driving wheel 29 is rotatably connected to a belt 10. One end of the belt 10 away from the first driving wheel 29 is rotatably connected to a first driven wheel 30. The first driven wheel 30 is fixedly connected to the polishing shaft 13. The output end of the second motor 16 is fixedly connected to a second driving wheel 32. The second driving wheel 32 is rotatably connected to a second belt 27. One end of the second belt 27 away from the second driving wheel 32 is rotatably connected to a main follower wheel 34. The main follower wheel 34 is fixedly connected to the polishing shaft 13, thereby forming a transmission structure of the fine polishing component. A sub-follower wheel 33 is fixedly connected between the main follower wheel 34 and the polishing shaft 13. The sub-follower wheel 33 is rotatably connected to a third belt 28. One end of the third belt 28 away from the sub-follower wheel 33 is rotatably connected to a third driven wheel 31. The third driven wheel 31 is fixedly connected to the polishing shaft 13, thereby forming a transmission structure of the intermediate polishing component.

[0029] The chip blowing system includes a first air outlet 24 and a second air outlet 25. The first air outlet 24 is located between the rough polishing component and the intermediate polishing component. The second air outlet 25 is located between the intermediate polishing component and the fine polishing component. The chip blowing system further includes a centrifugal fan 26. The output end of the centrifugal fan 26 is sleeved with an air duct 23. The air duct 23 is respectively communicated with the first air outlet 24 and the second air outlet 25.

[0030] The material moving system includes two groups of chains 6 and bearings 4 arranged in parallel. One end of each chain 6 is respectively meshed with an integral gear 5 and meshed with a tensioning component 7. Both ends of each bearing 4 are respectively fixedly connected with an integral gear 5. A fixed interface is provided on the chain 6 for fixing the material carrier. The material moving system further includes a power motor 17. The output end of the power motor 17 is fixedly connected to a driving gear 18. The driving gear 18 is rotatably connected to a power chain 19. The other end of the power chain 19 is rotatably connected to a driven gear 20. The driven gear 20 is fixedly connected to the left bearing 4, thereby driving the bearing 4 to rotate.

[0031] The tensioning assembly 7 includes a tensioning wheel 701 meshing with the chain 6. A second bearing 706 is sleeved on the tensioning wheel 701. The second bearing 706 is fixedly connected to a lock plate 703 by bolts. The lock plate 703 is fixedly connected to a connecting plate 702 by bolts. The connecting plate 702 is provided with a through groove, and the second bearing 706 penetrates through the through groove. A positioning plate 704 is fixedly installed at the top of the connecting plate 702. A limiting rod 705 is bolted in the middle of the positioning plate 704. The limiting rod 705 can abut against the lock plate 703 to limit the height of the tensioning wheel 701. The lock plate 703 is provided with a strip-shaped through groove. The strip-shaped through groove cooperates with a screw rod to press the lock plate 703 against one side of the connecting plate 702. The strip-shaped through groove can be used to adjust the up and down height of the tensioning wheel 701.

[0032] A separator 8 is provided in the middle of each chain 6 for protection. The frame 1 is provided with positioning feet 21 and pulleys 22. The machine table 2 is provided with a polishing system, a chip blowing system and a material movement.

[0033] Working principle: Connect the material carrier platform carrying the product to the fixed interface of the chain 6, and then turn on the power supply of the device. The polishing shafts 13 of the rough polishing assembly, the intermediate polishing assembly and the fine polishing assembly rotate. Gas is blown out from the first air outlet 24 and the second air outlet 25 of the chip blowing system. The chain 6 of the material movement system starts to rotate, thereby driving the material carrier platform to move to the left. The product passes through the rough polishing assembly, the intermediate polishing assembly and the fine polishing assembly respectively to achieve multi-stage grinding. The gas from the first air outlet 24 and the second air outlet 25 will clean the chips on the surface of the workpiece.

[0034] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A multi-stage polishing device, comprising a frame (1) and a table (2), characterized in that: The frame (1) is equipped with a polishing system, a chip blowing system and a material moving system. The polishing system comprises a coarse polishing assembly, an intermediate polishing assembly and a fine polishing assembly. The intermediate polishing assembly and the fine polishing assembly share a second motor (16). Each level of the polishing assembly comprises a polishing shaft (13). Both ends of the polishing shaft (13) are rotatably connected to a limit block (14). The limit block (14) is installed in a groove of a U-shaped plate (12). A cover plate (11) is screwed to the top of the U-shaped plate (12). A tightening rod (15) is screwed to the center of the cover plate (11). A spring is integrally formed at the end of the tightening rod (15). The spring abuts against the limit block (14) to prevent damage to the material during the polishing process. The chip blowing system comprises a first air port (24) and a second air port (25), wherein the first air port (24) is located between the coarse polishing assembly and the intermediate polishing assembly, and the second air port (25) is located between the intermediate polishing assembly and the fine polishing assembly; The material moving system comprises two sets of chains (6) and bearings (4) arranged in parallel, each of the two ends of the chain (6) being respectively meshed with an integral gear (5) and a tensioning assembly (7), each of the two ends of the bearing (4) being respectively fixedly connected with an integral gear (5), and the chain (6) being provided with a fixed interface for fixing the material carrier.

2. A multi-stage polishing device according to claim 1, characterized in that: The rough polishing assembly comprises a first motor (9), the output end of the first motor (9) is fixedly connected to a first moving wheel (29), the first moving wheel (29) is rotatably connected to a belt (10), one end of the belt (10) away from the first moving wheel (29) is rotatably connected to a first driven wheel (30), and the first driven wheel (30) is fixedly connected to a polishing shaft (13).

3. A multi-stage polishing device according to claim 1, characterized in that: The output end of the second motor (16) is fixedly connected to a second moving wheel (32), the second moving wheel (32) is rotatably connected to a second belt (27), one end of the second belt (27) away from the second moving wheel (32) is rotatably connected to a main follower wheel (34), and the main follower wheel (34) is fixedly connected to the polishing shaft (13), thereby forming a transmission structure of the fine-grade polishing assembly.

4. A multi-stage polishing device according to claim 3, characterized in that: A secondary follower wheel (33) is fixedly connected between the main follower wheel (34) and the polishing shaft (13); the secondary follower wheel (33) is rotatably connected to a third belt (28); one end of the third belt (28) away from the secondary follower wheel (33) is rotatably connected to a third driven wheel (31); the third driven wheel (31) is fixedly connected to the polishing shaft (13), thereby forming a transmission structure of the intermediate polishing assembly.

5. A multi-stage polishing device according to claim 1, characterized in that: The chip blowing system further comprises a centrifugal fan (26), the output end of the centrifugal fan (26) is sleeved with an air duct (23), and the air duct (23) is respectively connected to the first air port (24) and the second air port (25).

6. A multi-stage polishing device according to claim 1, characterized in that: The tensioning assembly (7) comprises a tensioning wheel (701) meshed with the chain (6); the tensioning wheel (701) is sleeved with a second bearing (706); the second bearing (706) is fixedly connected to a locking plate (703) by bolts; the locking plate (703) is fixedly connected to a connecting plate (702) by bolts; the connecting plate (702) is provided with a through slot; the second bearing (706) passes through the through slot; a positioning plate (704) is fixedly mounted on the top of the connecting plate (702); a limiting rod (705) is connected to the middle bolt of the positioning plate (704); the limiting rod (705) can abut against the locking plate (703) to limit the height of the tensioning wheel (701).

7. A multi-stage polishing device according to claim 6, characterized in that: The lock plate (703) is provided with a strip-shaped through groove, and the strip-shaped through groove cooperates with the screw rod to press the lock plate (703) onto one side of the connecting plate (702). The strip-shaped through groove can play a role in adjusting the upper and lower heights of the tensioning wheel (701).

8. A multi-stage polishing device according to claim 1, characterized in that: The material moving system also includes a power motor (17), the output end of the power motor (17) is fixedly connected to a driving gear (18), the driving gear (18) is rotatably connected to a power chain (19), the other end of the power chain (19) is rotatably connected to a driven gear (20), and the driven gear (20) is fixedly connected to the left bearing (4), thereby driving the bearing (4) to rotate.

9. A multi-stage polishing device according to claim 1, characterized in that: An isolation plate (8) is arranged in the middle of each chain (6) to play a protective role.

10. A multi-stage polishing device according to any one of claims 1 to 9, characterized in that: The frame (1) is equipped with positioning feet (21) and pulleys (22), and the platform (2) is equipped with a polishing system, a chip blowing system and a material moving system.

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