A polishing device with front and back surface polishing function

Abstract

The application discloses a polishing equipment with the function of polishing both front and back surfaces, and relates to the technical field of gear polishing equipment, comprising a bidirectional ball screw, a first clamping rod, a second clamping rod, a first connecting plate, a first polishing sheet, a second connecting plate and a second polishing sheet. In the application, the first clamping rod and the second clamping rod can be simultaneously moved towards or away from the center; gears of different sizes can be clamped and fixed, the clamping and fixing and loosening operation of the gears is completely automated, and the operation is convenient and fast; the second polishing sheet is always in close contact with the upper surface and the lower surface of the gear to be processed, and the first polishing sheet is always in close contact with the side surface of the gear to be processed, so that the polishing frame can polish gears of different outer diameters and thicknesses, the applicability of the equipment can be effectively improved, and the first polishing sheet and the second polishing sheet cooperate to polish both front and back surfaces and the side surface of the gear, so that the operation is convenient and fast.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of gear polishing equipment, in particular to a polishing equipment with front and back surface simultaneous polishing function. BACKGROUND

[0002] Gear refers to a mechanical element with teeth on the rim that can continuously mesh to transmit motion and power. Gears are widely used in various industries, including the automotive field, where many parts of the car require the use of gears for work. During the production and processing of gears, polishing and grinding treatment is required to improve the cleanliness of the gear surface, thereby ensuring the meshing accuracy and durability of the gear.

[0003] Patent (CN216681632U) discloses a gear polishing device, which comprises a shell and an internal component, the inner wall of the shell is fixedly connected with the internal component; the internal component comprises a first motor, the top end of the first motor is fixedly connected with a rotating rod through an output shaft, the outer wall of the rotating rod is fixedly connected with a lower limit ring, the top end of the rotating rod is fixedly connected with a rotating disc, the top end of the rotating disc is threadedly connected with a fixing buckle, the inner wall of the shell is fixedly connected with a lower support plate, and the inner wall of the shell is fixedly connected with an upper support plate. The gear polishing device can complete the polishing of the gear surface, the fixing buckle can fix the gear, the polishing block can move up and down to adapt to gears of different thicknesses, the steel wire wheel can complete the polishing of the gear tooth gap, and the second motor cooperates with the rotating shaft to drive the steel wire wheel to rotate, so that the steel wire wheel can approach and move away from the gear to adapt to gears of different diameters.

[0004] The gear polishing device in the above patent document can only polish one gear at a time, and when switching to another gear, the gear needs to be disassembled and assembled, which is relatively cumbersome to operate; and it can only realize single-sided polishing of the gear at a time, and the other side needs to be polished after the gear is turned over. SUMMARY

[0005] The present application aims to provide a polishing equipment with front and back surface simultaneous polishing function to solve the problems raised in the background.

[0006] In order to solve the above technical problems, the present application provides the following technical scheme: a polishing equipment with front and back surface simultaneous polishing function, comprising a rack, a double-direction ball screw is vertically rotated on one side of the inner wall of the rack, screw nuts are symmetrically arranged on the outer wall of the double-direction ball screw, a support plate is arranged on the outer wall of the screw nut, a first clamping rod is rotatably connected to the bottom of the upper support plate, a second clamping rod is rotatably connected to the bottom of the lower support plate, a conveying frame is arranged between the first clamping rod and the second clamping rod on the top of the rack, and a polishing frame is arranged above the conveying frame on the top of the rack.

[0007] Further, the rack comprises two columns, one of which is provided with an installation groove matched with the bidirectional ball screw, and the top of the column is provided with a first servo motor, and the output end of the first servo motor is fixedly connected with the top of the bidirectional ball screw, and the outer wall of the two columns is vertically provided with a first through groove matched with the support plate, and the top of the upper support plate is provided with a second servo motor, and the output end of the second servo motor is fixedly connected with the top of the first clamping rod, and the outer wall of the first clamping rod is provided with a circular table at the top, and the bottom of the first clamping rod is provided with a insertion groove matched with the circular table, and the bottom of the first clamping rod is provided with a plurality of elastic sheets outside the insertion groove, and the outer wall of the second clamping rod is provided with a hemispherical guide block at the bottom of the circular table.

[0008] Further, the support plate is provided with a sliding plate matched with the first through groove at the end away from the screw nut, and a telescopic isolation belt is arranged between the two support plates, and the inner wall of the first through groove is provided with a plurality of guide rings matched with the telescopic isolation belt.

[0009] Further, the outer wall of the first clamping rod and the second clamping rod is provided with a support ring, and the inner wall of the support plate is respectively provided with a second through groove matched with the first clamping rod and the second clamping rod, and the inner wall of the support plate is provided with an annular groove matched with the support ring, and the annular groove is communicated with the second through groove.

[0010] Further, the conveying frame comprises a bottom plate, a conveying plate, a stripping frame and a receiving frame, the bottom plate is horizontally arranged between the first clamping rod and the second clamping rod, the conveying plate is slidingly arranged on the top of the bottom plate, the top of the bottom plate is provided with a first through hole matched with the circular table, the top of the conveying plate is provided with a plurality of second through holes matched with the circular table, the top of the bottom plate is horizontally provided with a first servo cylinder, the output end of the first servo cylinder is fixedly connected with the outer wall of the conveying plate, the top of the conveying plate is provided with a fourth through groove matched with the polishing frame, and the fourth through groove is communicated with the second through hole.

[0011] Further, the stripping frame comprises a fixed block and a trapezoidal plate, the bottom of the trapezoidal plate is flush with the top of the conveying plate, and the trapezoidal plate is arranged on the top of the fixed block, and the outer wall of the trapezoidal plate is provided with a guide inclined surface near the conveying plate.

[0012] Further, the receiving frame comprises a support frame and a tray, the outer wall of the tray is rotatably connected with the support frame through a support shaft, a torsional spring is arranged between the support shaft and the support frame, and the outer wall of the tray is provided with a baffle at the top.

[0013] Further, the polishing frame comprises a first connecting plate arranged vertically, a first polishing sheet is arranged on one side of the outer wall of the first connecting plate, a second servo cylinder is horizontally arranged on the other side of the outer wall of the first connecting plate, a second connecting plate is symmetrically arranged on the top and the bottom of the outer wall of the first connecting plate and is movably connected, and a second polishing sheet is arranged on the adjacent side of the outer wall of the two second connecting plates.

[0014] Further, the second connecting plate passes through the first connecting plate, a third through groove is formed in the surface of the first connecting plate, a slide rail is vertically arranged on the inner wall of the third through groove, a sliding block is movably arranged on the inner side of the slide rail, a third through hole matched with the second connecting plate is formed in the inner wall of the sliding block, a plurality of first springs are arranged on the outer wall of the second connecting plate close to one end of the second servo cylinder, one end of the first spring is fixedly connected with the outer wall of the first connecting plate, a second spring is arranged on the outer wall of the sliding block away from the other end of the second servo cylinder, and the second spring is fixedly connected with the inner wall of the slide rail.

[0015] Further, the outer wall of the second connecting plate away from the other end of the second servo cylinder is provided with an arc-shaped groove, a plurality of first rolling balls are rotatably arranged on the inner wall of the arc-shaped groove, and a plurality of second rolling balls are rotatably arranged on the outer wall of the sliding block.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] 1. The gear polishing device, which comprises a bidirectional ball screw, a first clamping rod, a second clamping rod, a first connecting plate, a first polishing piece, a second connecting plate, and a second polishing piece, wherein the gear to be processed is placed on the conveying frame, the conveying frame conveys the gear to be processed between the first clamping rod and the second clamping rod, and the first clamping rod and the second clamping rod can simultaneously move towards or away from the center; when the first clamping rod and the second clamping rod move towards the center at the same time, the circular table gradually inserts into the slot, the circular table pushes the elastic piece outside the slot outward, the circular table gradually moves upward, the angle of the elastic piece pushed open by the circular table is larger, the elastic piece outer wall and the inner wall of the circular hole of the gear to be processed are in contact and tightly pushed, different sizes of gears can be clamped and fixed, and the operation is convenient and fast; the first clamping rod and the second clamping rod are gradually separated, the elastic piece opening angle gradually decreases as the circular table gradually moves downward, the clamping force of the gear also gradually decreases, the gear is separated from the elastic piece outside the first clamping rod and falls downward, the conveying frame supports the gear, the gear and the second clamping rod are separated, the conveying frame conveys the processed gear forward, and the gear polishing process is completed once; the gear clamping, fixing and loosening operation is completely automatic, which is convenient and fast; the two second connecting plates move to the upper surface and the lower surface of the gear to be processed respectively, the first connecting plate moves to the side surface of the gear to be processed, the polishing frame can adapt to gears to be processed with different outer diameters, the second polishing piece is always in close contact with the upper surface and the lower surface of the gear to be processed, the polishing frame can adapt to gears to be processed with different thicknesses, so that the polishing frame can polish gears with different outer diameters and different thicknesses, and the applicability of the equipment can be effectively improved; the first polishing piece and the second polishing piece cooperate to polish the front and back surfaces and the side surface of the gear at the same time, and the operation is convenient and fast.

[0018] 2、The second servo cylinder drives the conveying plate to move horizontally along the bottom plate, the conveying plate drives the gear to be processed on the top to move horizontally, when the second through hole on the top of the conveying plate is aligned with the first through hole of the bottom plate, the first clamping rod and the second clamping rod are adjusted to move, the first clamping rod and the second clamping rod pass through the first through hole and the second through hole to clamp the gear, convenient and fast operation; after the gear is polished, the gear falls on the top of the conveying plate, the first servo cylinder is elongated, the conveying plate is pushed forward, the stripping frame contacts with the gear on the top of the conveying plate, the fixing block fixes and supports the trapezoidal plate, the guide inclined surface on the top of the trapezoidal plate contacts with the gear, the gear moves along the guide inclined surface, the guide inclined surface turns over the gear, the gear is separated from the conveying plate, the gear falls on the tray of the receiving frame, the supporting frame supports the tray, the supporting shaft rotates and supports the tray, the torsional spring twists and supports the tray, so that the tray can fall downward and reset along the supporting shaft, the elastic buffering effect of the gear can be effectively strengthened, and the damage degree of the gear and the tray caused by collision can be effectively reduced; the baffle protects the outside of the tray, and the gear can be effectively prevented from falling off the tray. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and are included to provide a further understanding of the application, and are made a part of the specification. In the drawings:

[0020] Figure 1 is the front view of the whole application;

[0021] Figure 2 is the front view of the whole application;

[0022] Figure 3 is the front view of the whole application; Figure 2 is the enlarged schematic view of A in the application;

[0023] Figure 4 is the front view of the polishing frame of the application;

[0024] Figure 5 is the front view of the polishing frame of the application;

[0025] Figure 6 is the front view of the polishing frame of the application; Figure 5 is the enlarged schematic view of B in the application;

[0026] Figure 7 is the top view of the second connecting plate of the application;

[0027] Figure 8 is the side view of the conveying frame of the application;

[0028] Figure 9 is a side view of the conveying frame of the present application;

[0029] In the figure: 1, frame; 2, bidirectional ball screw; 3, screw nut; 4, support plate; 5, first clamping rod; 6, second clamping rod; 7, conveying frame; 8, polishing frame; 9, stand; 10, first servo motor; 11, first through slot; 12, second servo motor; 13, circular table; 14, insertion slot; 15, elastic sheet; 16, hemispherical guide block; 17, sliding plate; 18, telescopic isolation belt; 19, guide ring; 20, support ring; 21, second through slot; 22, annular groove; 23, bottom plate; 24, conveying plate; 25, stripping frame; 26, material receiving frame; 27, first through hole; 28, second through hole; 29, first servo cylinder; 30, fixed block; 31, trapezoidal plate; 32, guide inclined surface; 33, support frame; 34, tray; 35, support shaft; 36, baffle; 37, first connecting plate; 38, first polishing sheet; 39, second servo cylinder; 40, second connecting plate; 41, second polishing sheet; 42, first spring; 43, first ball; 44, second ball; 45, second spring; 46, fourth through slot; 47, third through slot; 48, sliding rail; 49, sliding block; 50, third through hole. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those of ordinary skill in the art without any creative work fall within the protection scope of the present application.

[0031] As Figures 1-7The embodiment shows a polishing equipment with front and back surface polishing function, including frame 1, the inner wall of which is vertically rotatably provided with a bidirectional ball screw 2, the outer wall of which is symmetrically provided with screw nut 3 at both ends, the outer wall of which is provided with support plate 4, the bottom of the upper support plate 4 is rotatably provided with first clamping rod 5, the bottom of the lower support plate 4 is rotatably provided with second clamping rod 6, the top of frame 1 is provided with conveying frame 7 between first clamping rod 5 and second clamping rod 6, and the top of frame 1 is provided with polishing frame 8 above conveying frame 7; the frame 1 includes two columns 9, one of which is provided with a mounting groove matched with the bidirectional ball screw 2, the top of the column 9 is provided with a first servo motor 10, the output end of which is fixedly connected with the top of the bidirectional ball screw 2, the outer wall of the two columns 9 is vertically provided with a first through slot 11 matched with the support plate 4, the top of the upper support plate 4 is provided with a second servo motor 12, the output end of which is fixedly connected with the top of the first clamping rod 5, the top of the outer wall of the second clamping rod 6 is provided with a circular table 13, the bottom of the first clamping rod 5 is provided with a slot 14 matched with the circular table 13, the bottom of the first clamping rod 5 is provided with a plurality of elastic sheets 15 outside the slot 14, and the outer wall of the second clamping rod 6 is provided with a hemispherical guide block 16 at the bottom of the circular table 13; the polishing frame 8 includes a first connecting plate 37 vertically arranged, the outer wall of the first connecting plate 37 is provided with a first polishing sheet 38 on one side, the outer wall of the first connecting plate 37 is horizontally provided with a second servo cylinder 39 on the other side, the outer wall of the first connecting plate 37 is symmetrically provided with a second connecting plate 40 movably connected at the top and bottom, and the outer wall of the two second connecting plates 40 is provided with a second polishing sheet 41 on one side adjacent to each other; the second connecting plate 40 passes through the first connecting plate 37, the first connecting plate 37 is provided with a third through slot 47, the inner wall of the third through slot 47 is vertically provided with a slide rail 48, the inner side of the slide rail 48 is matched with a sliding block 49, the inner wall of the sliding block 49 is provided with a third through hole 50 matched with the second connecting plate 40, the outer wall of the second connecting plate 40 is provided with a plurality of first springs 42 near one end of the second servo cylinder 39, one end of the first spring 42 is fixedly connected with the outer wall of the first connecting plate 37, and the outer wall of the sliding block 49 is provided with a second spring 45 away from one end of the second servo cylinder 39, and the second spring 45 is fixedly connected with the inner wall of the slide rail 48.

[0032] The support plate 4 is provided with a sliding plate 17 matched with the first through groove 11 at one end away from the screw nut 3, and an elastic isolation belt 18 is arranged between the two support plates 4, and a plurality of guide rings 19 matched with the elastic isolation belt 18 are arranged on the inner wall of the first through groove 11; when the support plate 4 moves up and down, the sliding plate 17 slides along the first through groove 11, which can effectively ensure the safety and stability of the movement of the support plate 4; when the distance between the two support plates 4 is reduced, the elastic isolation belt 18 is contracted; when the distance between the two support plates 4 is expanded, the elastic isolation belt 18 is elongated; the elastic isolation belt 18 can isolate the polishing debris on the inner side of the first through groove 11 between the two support plates 4, which can effectively prevent the polishing debris from entering the installation groove through the first through groove 11, thereby ensuring the stability and safety of the movement of the bidirectional ball screw 2; the guide rings 19 guide the elastic isolation belt 18 on the outer side of the elastic isolation belt 18, which can effectively prevent the elastic isolation belt 18 from deviating when it is stretched and contracted.

[0033] The outer wall of the first clamping rod 5 and the second clamping rod 6 is provided with a support ring 20, the inner wall of the support plate 4 is respectively provided with a second through groove 21 matched with the first clamping rod 5 and the second clamping rod 6, and the inner wall of the support plate 4 is provided with an annular groove 22 matched with the support ring 20, the annular groove 22 is communicated with the second through groove 21; when the first clamping rod 5 and the second clamping rod 6 rotate, the first clamping rod 5 and the second clamping rod 6 rotate along the second through groove 21, and the support ring 20 rotates along the inner side of the annular groove 22, which can effectively ensure the rotation stability of the first clamping rod 5 and the second clamping rod 6.

[0034] The outer wall of the second connecting plate 40 is provided with an arc-shaped groove away from one end of the second servo cylinder 39, and a plurality of first balls 43 are rotatably connected to the inner wall of the arc-shaped groove, and a plurality of second balls 44 are rotatably connected to the outer wall of the sliding block 49 on both sides in a symmetrical manner; the arc-shaped groove is used to adapt to the cylindrical structure of the first clamping rod 5 and the second clamping rod 6, the first balls 43 roll in the inner side of the arc-shaped groove, so that when the second connecting plate 40 moves close to the first clamping rod 5 and the second clamping rod 6, the first balls 43 come into rolling contact with the first clamping rod 5 and the second clamping rod 6, which can effectively prevent the second connecting plate 40 from coming into rigid contact with the first clamping rod 5 and the second clamping rod 6, and can effectively ensure the safety and stability of the second connecting plate 40, the first clamping rod 5 and the second clamping rod 6.

[0035] The embodiment is specific: in use, the gear to be machined is placed on the conveying frame 7 through the setting of the bidirectional ball screw 2, the first clamping rod 5, the second clamping rod 6, the first connecting plate 37, the first polishing piece 38, the second connecting plate 40 and the second polishing piece 41, the conveying frame 7 conveys the gear to be machined between the first clamping rod 5 and the second clamping rod 6, the first servo motor 10 is started, the first servo motor 10 drives the bidirectional ball screw 2 to rotate, the bidirectional ball screw 2 drives the screw nuts 3 to move up and down along the bidirectional ball screw 2, the two screw nuts 3 move relative to each other, the first servo motor 10 rotates forward or reversely, the two screw nuts 3 can move towards the center of the bidirectional ball screw 2 or move away from the center of the bidirectional ball screw 2 at the same time, the support plate 4 moves with the screw nuts 3, and then the first clamping rod 5 and the second clamping rod 6 move towards the center or move away from the center at the same time; when the first clamping rod 5 and the second clamping rod 6 move towards the center at the same time, the first clamping rod 5 moves downwards from the top of the gear to be machined, the second clamping rod 6 moves upwards from the bottom of the gear to be machined, the first clamping rod 5 is inserted into the circular hole in the center of the gear to be machined, the second clamping rod 6 is inserted into the insertion slot 14 at the bottom of the first clamping rod 5, the circular table 13 moves with the second clamping rod 6 as the second clamping rod 6 is gradually inserted into the insertion slot 14, the circular table 13 is gradually inserted into the insertion slot 14, the circular table 13 pushes the elastic pieces 15 outside the insertion slot 14 outwards, the circular table 13 is gradually moved upwards, the circular table 13 pushes the elastic pieces 15 outwards to a larger angle, the outer wall of the elastic pieces 15 is in contact with the inner wall of the circular hole of the gear to be machined and is tightly pushed, the gear to be machined of different sizes can be clamped and fixed, and the operation is convenient and fast; meanwhile, the first clamping rod 5 and the second clamping rod 6 move the gear to be machined to the center position of the rack 1, and the gear to be machined is separated from the conveying frame 7.

[0036] The second servo cylinder 39 is adjusted to stretch and retract, the second servo cylinder 39 can drive the first connecting plate 37 to move horizontally, the second connecting plate 40 moves with the first connecting plate 37, the first connecting plate 37 and the second connecting plate 40 are close to the gear to be processed respectively, the two second connecting plates 40 move to the upper surface and the lower surface of the gear to be processed respectively, the first connecting plate 37 moves to the side surface of the gear to be processed, and the first connecting plate 37 can be effectively guaranteed to be tightly attached to the side surface of the gear to be processed under the driving of the second servo cylinder 39; the first connecting plate 37 is stretched and retracted under the elastic support of the first spring 42, so that the second connecting plate 40 can move horizontally along the first connecting plate 37, and the second connecting plate 40 can freely stretch and retract while moving horizontally along the first connecting plate 37; when the first polishing piece 38 of the first connecting plate 37 is not in contact with the side surface of the gear to be processed, the second connecting plate 40 has been in contact with the first clamping rod 5 and the second clamping rod 6, and when the first connecting plate 37 continues to move the gear to be processed, the second connecting plate 40 passes through the third through groove 47 of the first connecting plate 37, and the first spring 42 is elongated, so that the polishing frame 8 can adapt to gears to be processed with different outer diameters, and the operation is convenient and fast; the second spring 45 elastically supports the sliding block 49, the sliding block 49 slidably supports the second connecting plate 40, the sliding block 49 can slide along the sliding rail 48, the third through groove 47 provides sliding space for the second connecting plate 40, the third through hole 50 in the sliding block 49 provides movement space for the second connecting plate 40, and the second connecting plate 40 can pass through the sliding block 49 to move horizontally; the distance between the two second connecting plates 40 can be adaptively adjusted under the elastic force support of the second spring 45, so that the second polishing piece 41 is always tightly attached to the upper surface and the lower surface of the gear to be processed, the polishing frame 8 can adapt to gears to be processed with different thicknesses, and thus the polishing frame 8 can polish gears with different outer diameters and different thicknesses, so that the applicability of the equipment can be effectively improved;

[0037] The second servo motor 12 is started, the first clamping rod 5 is driven by the second servo motor 12 to rotate, the first clamping rod 5 and the second clamping rod 6 cooperate to clamp the gear to be processed, and the gear to be processed is in a suspended state at this time; the gear to be processed and the second clamping rod 6 rotate with the first clamping rod 5, the first polishing piece 38 and the second polishing piece 41 are tightly attached to the front and back surfaces and the side surface of the gear to be processed, the first polishing piece 38 and the second polishing piece 41 cooperate to polish the front and back surfaces and the side surface of the gear to be processed at the same time under the rotation of the gear to be processed, and the operation is convenient and fast; the hemispherical guide block 16 guides the polishing debris, so that the polishing debris does not affect the normal rotation of the second clamping rod 6;

[0038] After the gear grinding treatment is completed, the first servo motor 10 is adjusted to rotate in the opposite direction, driving the two screw nuts 3 to move away from the center of the double ball screw 2, driving the first clamping rod 5 to move upwards and the second clamping rod 6 to move downwards. With the movement of the first clamping rod 5 and the second clamping rod 6, the first clamping rod 5 and the second clamping rod 6 gradually separate, the circular table 13 moves downwards inside the slot 14, and as the circular table 13 gradually moves downwards, the angle of the elastic sheet 15 gradually decreases, and the clamping force of the gear also gradually decreases. As the first clamping rod 5 and the second clamping rod 6 continue to separate, the gear is separated from the outside of the elastic sheet 15 of the first clamping rod 5 and falls downwards, and the circular table 13 of the second clamping rod 6 supports the gear. The gear falls downwards with the second clamping rod 6, and as the second clamping rod 6 continues to fall, the second clamping rod 6 moves downwards through the conveying frame 7, the conveying frame 7 supports the gear, the gear separates from the second clamping rod 6, the conveying frame 7 forwards the processed gear, and the gear grinding process is completed. The gear clamping and loosening operation is completely automated, which is convenient and fast. The conveying frame 7 moves the next gear to be processed between the first clamping rod 5 and the second clamping rod 6 for the next gear grinding process.

[0039] As shown in Figures 1-2 and Figures 8-9 a grinding device with front and back surface grinding function, the conveying frame 7 includes a bottom plate 23, a conveying plate 24, a stripping frame 25 and a receiving frame 26. The bottom plate 23 is horizontally arranged between the first clamping rod 5 and the second clamping rod 6. The conveying plate 24 is slidingly arranged on the top of the bottom plate 23. The top of the bottom plate 23 is provided with a first through hole 27 matched with the circular table 13. The top of the conveying plate 24 is provided with a plurality of second through holes 28 matched with the circular table 13. The top of the bottom plate 23 is horizontally provided with a first servo cylinder 29. The output end of the first servo cylinder 29 is fixedly connected with the outer wall of the conveying plate 24. The top of the conveying plate 24 is provided with a fourth through slot 46 matched with the grinding frame 8. The fourth through slot 46 is communicated with the second through hole 28. The stripping frame 25 includes a fixed block 30 and a trapezoidal plate 31. The bottom of the trapezoidal plate 31 is flush with the top of the conveying plate 24. The trapezoidal plate 31 is arranged on the top of the fixed block 30. The outer wall of the trapezoidal plate 31 is provided with a guide inclined surface 32 near the side of the conveying plate 24. The receiving frame 26 includes a support frame 33 and a tray 34. The outer wall of the tray 34 is rotatably connected with the support frame 33 through a support shaft 35. A torsional spring is arranged between the support shaft 35 and the support frame 33. The outer wall of the tray 34 is provided with a baffle 36 on the top.

[0040] The embodiment is specific: in use, the bottom plate 23 supports the conveying plate 24, the gear to be processed is placed on the outside of the top of the second through hole 28, the first servo cylinder 29 drives the conveying plate 24 to move horizontally along the bottom plate 23, the conveying plate 24 drives the gear on the top to move horizontally, when the second through hole 28 on the top of the conveying plate 24 is aligned with the first through hole 27 of the bottom plate 23, the first clamping rod 5 and the second clamping rod 6 are adjusted to move, the first clamping rod 5 and the second clamping rod 6 pass through the first through hole 27 and the second through hole 28 to clamp the gear, which is convenient and fast to operate; in the movement process of the polishing frame 8, the fourth through slot 46 provides movement space for the polishing frame 8, so that the polishing frame 8 can be tightly polished with the gear; after the gear is polished, the gear falls on the top of the conveying plate 24, the first servo cylinder 29 is elongated, the conveying plate 24 is pushed forward, as the conveying plate 24 gradually moves forward, the stripping frame 25 contacts the gear on the top of the conveying plate 24, the fixing block 30 fixes and supports the trapezoidal plate 31, the guide inclined surface 32 on the top of the trapezoidal plate 31 contacts the gear, the gear continues to move along the guide inclined surface 32 as the conveying plate 24 continues to move, the guide inclined surface 32 flips the gear, the gear is separated from the conveying plate 24, the gear falls on the tray 34 of the receiving frame 26, the supporting frame 33 supports the tray 34, the supporting shaft 35 rotatably supports the tray 34, the torsional spring torsionally supports the tray 34, so that the tray 34 can fall downward along the supporting shaft 35 and reset, which can effectively strengthen the elastic buffering and receiving effect of the gear, and can effectively reduce the damage degree caused by the collision between the gear and the tray 34; the baffle 36 protects the outside of the tray 34, which can effectively prevent the gear from falling off the tray 34.

[0041] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A polishing device with a function of polishing both front and back surfaces, comprising a frame (1), characterized in that: The inner wall of the frame (1) is vertically provided with a bidirectional ball screw (2), the outer wall of the bidirectional ball screw (2) is symmetrically provided with a screw nut (3) at both ends, the outer wall of the screw nut (3) is provided with a support plate (4), the bottom of the upper support plate (4) is provided with a rotatingly connected first clamping rod (5), the bottom of the lower support plate (4) is provided with a rotatingly connected second clamping rod (6), the top of the frame (1) is provided with a conveying frame (7) between the first clamping rod (5) and the second clamping rod (6), and the top of the frame (1) is provided with a polishing frame (8) above the conveying frame (7); the frame (1) comprises two columns (9), the inner wall of one of the columns (9) is provided with a mounting groove matched with the bidirectional ball screw (2), the top of the column (9) is provided with a first servo motor (10), the output end of the first servo motor (10) is fixedly connected with the top of the bidirectional ball screw (2), the outer wall of each of the columns (9) is vertically provided with a first through groove (11) matched with the support plate (4), the top of the upper support plate (4) is provided with a second servo motor (12), the output end of the second servo motor (12) is fixedly connected with the top of the first clamping rod (5), the top of the outer wall of the second clamping rod (6) is provided with a circular table (13), the bottom of the first clamping rod (5) is provided with a slot (14) matched with the circular table (13), the bottom of the first clamping rod (5) is provided with a plurality of elastic sheets (15) outside the slot (14), and the outer wall of the second clamping rod (6) is provided with a hemispherical guide block (16) at the bottom of the circular table (13).

2. The polishing apparatus having a function of polishing both front and back surfaces according to claim 1, wherein: The end of the support plate (4) away from the screw nut (3) is provided with a sliding plate (17) matched with the first through groove (11), the two support plates (4) are provided with a telescopic isolation belt (18) therebetween, and the inner wall of the first through groove (11) is provided with a plurality of guide rings (19) matched with the telescopic isolation belt (18).

3. The polishing apparatus having the function of polishing both front and back surfaces according to claim 1, wherein: The outer wall of each of the first clamping rod (5) and the second clamping rod (6) is provided with a support ring (20), the inner wall of each of the support plates (4) is respectively provided with a second through groove (21) matched with the first clamping rod (5) and the second clamping rod (6), the inner wall of the support plate (4) is provided with an annular groove (22) matched with the support ring (20), and the annular groove (22) is through the second through groove (21).

4. The polishing apparatus having the function of polishing both front and back surfaces according to claim 1, wherein: The conveying frame (7) comprises a bottom plate (23), a conveying plate (24), a stripping frame (25) and a material receiving frame (26), the bottom plate (23) is horizontally arranged between the first clamping rod (5) and the second clamping rod (6), the conveying plate (24) is slidingly arranged on the top of the bottom plate (23), the top of the bottom plate (23) is provided with a first through hole (27) matched with the circular table (13), the top of the conveying plate (24) is provided with a plurality of second through holes (28) matched with the circular table (13), the top of the bottom plate (23) is horizontally provided with a first servo cylinder (29), the output end of the first servo cylinder (29) is fixedly connected with the outer wall of the conveying plate (24), the top of the conveying plate (24) is provided with a fourth through slot (46) matched with the polishing frame (8), and the fourth through slot (46) is through the second through hole (28).

5. The polishing apparatus having the function of polishing both front and back surfaces according to claim 4, wherein: The stripping frame (25) comprises a fixed block (30) and a trapezoidal plate (31), the bottom of the trapezoidal plate (31) is flush with the top of the conveying plate (24), the trapezoidal plate (31) is arranged on the top of the fixed block (30), and the outer wall of the trapezoidal plate (31) is provided with a guide inclined surface (32) close to one side of the conveying plate (24).

6. The polishing apparatus having the function of polishing both front and back surfaces according to claim 4, wherein: The material receiving frame (26) comprises a supporting frame (33) and a tray (34), the outer wall of the tray (34) is rotatably connected with the supporting frame (33) through a supporting shaft (35), a torsional spring is arranged between the supporting shaft (35) and the supporting frame (33), and the outer wall of the tray (34) is provided with a baffle (36).

7. The polishing apparatus having a function of polishing both front and back surfaces according to claim 1, wherein: The polishing frame (8) comprises a first connecting plate (37) arranged vertically, the outer wall of the first connecting plate (37) is provided with a first polishing piece (38) on one side, the outer wall of the first connecting plate (37) is horizontally provided with a second servo cylinder (39) on the other side, the outer wall of the first connecting plate (37) is symmetrically provided with a second connecting plate (40) movably connected on the top and the bottom, and the outer walls of the two second connecting plates (40) are provided with a second polishing piece (41) on the adjacent sides.

8. The polishing apparatus having the function of polishing both front and back surfaces according to claim 7, wherein: The second connecting plate (40) passes through the first connecting plate (37), the surface of the first connecting plate (37) is provided with a third through slot (47), the inner wall of the third through slot (47) is vertically provided with a sliding rail (48), the inner side of the sliding rail (48) is matched with a sliding block (49) slidingly connected, the inner wall of the sliding block (49) is provided with a third through hole (50) matched with the second connecting plate (40), the outer wall of the second connecting plate (40) is provided with a plurality of first springs (42) close to one end of the second servo cylinder (39), one end of the first spring (42) is fixedly connected with the outer wall of the first connecting plate (37), the outer wall of the sliding block (49) is provided with a second spring (45) away from the other end of the second servo cylinder (39), and the second spring (45) is fixedly connected with the inner wall of the sliding rail (48).

9. The polishing apparatus having the function of polishing both front and back surfaces according to claim 8, wherein: The outer wall of the second connecting plate (40) is provided with an arc-shaped groove away from the other end of the second servo cylinder (39), the inner wall of the arc-shaped groove is provided with a plurality of first rolling balls (43) rotatably connected, and the outer wall of the sliding block (49) is symmetrically provided with a plurality of second rolling balls (44) rotatably connected on both sides.

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