CN115229608A

CN115229608A - Polishing device

Info

Publication number: CN115229608A
Application number: CN202110405556.9A
Authority: CN
Inventors: 周方科; 朱建峰; 刘小明
Original assignee: Guangdong Tianji Industrial Intelligent System Co Ltd
Current assignee: Guangdong Tianji Industrial Intelligent System Co Ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2022-10-25
Anticipated expiration: 2041-04-15
Also published as: CN115229608B

Abstract

The invention relates to a polishing device, comprising: for abrading a first and a second location of a workpiece, the abrading device comprising: a first bearing mechanism; for carrying the workpiece and exposing the first location. And the second bearing mechanism is used for bearing the workpiece, is arranged at an interval with the first bearing mechanism and exposes the second position. And the conveying mechanism is used for conveying the workpiece from the first bearing mechanism to the second bearing mechanism. And the covering mechanism is arranged opposite to the second bearing mechanism and is used for covering the covering position of the workpiece on the second bearing mechanism. And the grinding mechanism is used for grinding the first position and the second position. Therefore, the workpiece can be polished to avoid artificial participation, and the work efficiency of workpiece polishing is improved on the basis of ensuring the quality.

Description

Polishing device

Technical Field

The invention relates to the technical field of mechanical tools, in particular to a polishing device.

Background

For some bent cylindrical workpieces, the workpiece is typically bent from a straight round tube. Some positions on the surface of the bending pipe can have the defect of unevenness usually, so the bending pipe needs to be folded to be polished to eliminate the defect, but the traditional polishing usually adopts manual or semi-automatic operation mode, so on the one hand can influence the polishing efficiency, and on the other hand is difficult to ensure the polishing quality.

Disclosure of Invention

The invention solves the technical problem of how to improve the polishing work effect on the basis of ensuring the quality.

A grinding device for grinding a first and second location of a workpiece, the grinding device comprising:

a first bearing mechanism; the first position is exposed and used for bearing the workpiece;

the second bearing mechanism is used for bearing the workpiece, is arranged at an interval with the first bearing mechanism and exposes the second position;

a conveying mechanism for conveying the workpiece from the first bearing mechanism to the second bearing mechanism;

the covering mechanism is arranged opposite to the second bearing mechanism and is used for covering a covering position of the workpiece on the second bearing mechanism; and

and the grinding mechanism is used for grinding the first position and the second position.

In one embodiment, each of the first and second bearing mechanisms includes a bearing table, a lifting table, a clamping assembly and a driving assembly, the bearing table is provided with a clearance hole, the clamping assembly is fixed on the lifting table, the driving assembly is used for driving the lifting table to move close to or away from the bearing table, and the clamping assembly can slide relative to the clearance hole and is used for clamping the workpiece.

In one embodiment, the driving assembly comprises a driver, a sliding part and an ejector block, the driver is used for driving the sliding part to slide, the ejector block is fixed on the bearing table and provided with a sliding hole, the sliding part is provided with a first station and a second station in the sliding hole, and when the driver drives the sliding part to move from the first station to the second station, the lifting table moves close to the bearing table.

In one embodiment, the sliding part comprises a sliding block and a roller, the roller is rotatably arranged on the sliding block and is matched with the sliding hole, and the second station is closer to the lifting table relative to the first station.

In one embodiment, the polishing mechanism comprises a bearing frame, a moving frame and two polishing heads, the moving frame is slidably connected with the bearing frame, the polishing heads are slidably connected with the moving frame, the sliding direction of the polishing heads relative to the moving frame is perpendicular to the sliding direction of the moving frame relative to the bearing frame, and the two polishing heads are respectively arranged on two opposite sides of the moving frame.

In one embodiment, the covering mechanism comprises a covering component, the covering component can move close to or far away from the second bearing mechanism, and the covering component can press against the second bearing mechanism to cover the covering position of the workpiece.

In one embodiment, the covering assembly comprises a covering plate and a covering strip, wherein the covering plate is provided with a containing groove for containing the workpiece, and the covering strip is connected with the covering plate and strides over the containing groove and is used for covering the covering position.

In one embodiment, the handling mechanism comprises a clamping jaw capable of rotating, and the clamping jaw is further capable of sliding back and forth between the first and second carriage mechanisms.

In one embodiment, the loading mechanism comprises a plurality of lifting tables and limiting rods, the limiting rods are arranged at intervals around the lifting tables, and the lifting tables can slide relative to the limiting rods.

In one embodiment, the unloading mechanism comprises a first clamping block and a second clamping block which are arranged at intervals, and the second clamping block can slide close to or far away from the first clamping block.

One technical effect of one embodiment of the invention is that: the first position of the workpiece on the first bearing mechanism is polished through the polishing mechanism, and the covering mechanism covers the workpiece on the second bearing mechanism, so that the polishing mechanism polishes the second position of the workpiece on the second bearing mechanism. And shift the work piece from first bearing mechanism to second bearing mechanism through transport mechanism, so can improve the work efficiency that the work piece was polished on the basis of the quality of assurance.

Drawings

FIG. 1 is a schematic perspective view of a workpiece;

FIG. 2 is a schematic perspective view of the workpiece shown in FIG. 1 from another perspective;

fig. 3 is a schematic perspective view of a polishing device according to an embodiment;

FIG. 4 is a schematic perspective view of the polishing apparatus shown in FIG. 3 from another perspective;

FIG. 5 is a schematic partial perspective view of the polishing apparatus shown in FIG. 3 when the cover plate is not abutting against the second bearing mechanism;

FIG. 6 is a schematic partial perspective view of the polishing device shown in FIG. 3 when the cover plate abuts against the second bearing mechanism;

FIG. 7 is a schematic perspective view of a first carriage mechanism of the polishing apparatus shown in FIG. 3;

FIG. 8 is an exploded view of the first carriage mechanism shown in FIG. 7;

FIG. 9 is a schematic view of the partially exploded structure of FIG. 8;

FIG. 10 is a schematic perspective view of a handling mechanism of the polishing apparatus shown in FIG. 3;

fig. 11 is a schematic perspective view of a grinding mechanism in the grinding apparatus shown in fig. 3.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "inner", "outer", "left", "right" and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1, 2 and 3, a grinding apparatus 10 according to an embodiment of the present invention is provided for grinding a first position 21 and a second position 22 of a workpiece 20. The workpiece 20 may be a bent pipe, which is generally formed by bending a straight round pipe. When the bent pipe is horizontally placed on a horizontal plane in a positive posture and a negative posture, a bus is in contact with the horizontal plane under each placing posture. In other words, the bent tube is cut by folding the bent tube in a cutting plane parallel to the horizontal plane and passing through the central axis of the bent tube, the bent tube is cut to form two cutting portions symmetrically arranged relative to the cutting plane, obviously, the two generatrices are respectively located on the two cutting portions, and the positions of the two generatrices are the first position 21 and the second position 22 to be polished. Certainly, the two-dimensional code 23 is arranged on the second position 22 of the workpiece 20, the position where the two-dimensional code 23 is located is the covering position 23a, and when the second position 22 is polished, the two-dimensional code 23 should be covered, so that the polishing device 10 is prevented from damaging the two-dimensional code 23. Through the grinding treatment of the grinding device 10, the relatively raised ribs at the first position 21 and the second position 22 can be eliminated, and smooth transition of the surface of the whole bent pipe after grinding is ensured. Referring to fig. 3 and 4, the polishing apparatus 10 includes a first carrying mechanism 100, a second carrying mechanism 200, a covering mechanism 300, a carrying mechanism 400, a polishing mechanism 500, a loading mechanism 600, an unloading mechanism 700, and a support box 800.

Referring to fig. 3, 7 and 8, in some embodiments, the first supporting mechanism 100 is disposed on the supporting box 800, and the first supporting mechanism 100 includes a supporting platform 110, a lifting platform 120, a clamping assembly 130 and a driving assembly 140. The carrier table 110 may be substantially a plate-shaped structure, the carrier table 110 may be fixed above the supporting box 800 by a fixing rod, the carrier table 110 is provided with two avoiding holes 111, the avoiding holes 111 are through holes penetrating through the whole carrier table 110 in the thickness direction, and the two avoiding holes 111 may be arranged at intervals along the length direction of the carrier table 110. The lifting platform 120 is substantially a plate-shaped structure, and the lifting platform 120 is located below the bearing platform 110 and can slide relative to the supporting box 800, for example, the lifting platform 120 can be slidably connected to a supporting block fixed on the supporting box 800, so that the lifting platform 120 can slide back and forth in a vertical direction (i.e., in a Z-axis direction) relative to the supporting box 800 in a space between the bearing platform 110 and the supporting box 800. The clamping assembly 130 may comprise a plurality of clamping cylinders, the cylinders of which are fixed on the upper surface of the lifting platform 120, obviously, the upper surface is disposed towards the bearing platform 110, and the clamping claws 131 of the clamping cylinders are slidably disposed in the clearance holes 111. For example, the number of the clamping cylinders may be four, and two clamping cylinders are provided at each end of the elevating platform 120 in the length direction.

Referring to fig. 8 and 9, the driving assembly 140 includes a driver 141, a sliding member 142, and an ejector block 143, and the sliding member 142 includes a sliding block 142a and a roller 142b. Specifically, the actuator 141 may be an air cylinder, the sliding block 142a is slidably connected to the support box 800, the sliding block 142a can slide relative to the support box 800 along a first direction, the first direction may be a front-back direction (i.e., an X-axis direction), a cylinder barrel of the air cylinder is fixed to the support box 800, a piston rod of the air cylinder is connected to the sliding block 142a, and when the piston rod generates a telescopic motion, the sliding block 142a can be driven to perform a reciprocating linear motion along the front-back direction. The roller 142b is rotatably disposed on the slider 142a, so that the roller 142b can rotate relative to the slider 142 a. The pushing block 143 may have a plate-like structure, and the pushing block 143 is fixed to a lower surface of the elevating table 120, which is obviously disposed facing away from the bearing table 110 and toward the supporting box 800. The pushing block 143 has a sliding hole 143a, the sliding hole 143a may be a long-strip-shaped hole such as a racetrack-shaped hole or an elliptical hole, and the roller 142b is engaged with the sliding hole 143 a. When the driver 141 drives the slide block 142a to slide back and forth, the roller 142b will roll back and forth in the slide hole 143a, and the roller 142b has two extreme positions in the slide hole 143a, which are respectively denoted as a first position 143c and a second position 143d, and the second position 143d is closer to the lifting table 120 than the first position 143c, in other words, the second position 143d is located obliquely above the first position 143 c.

When the piston rod of the actuator 141 extends to drive the sliding block 142a to move forward and move the roller 142b from the first station 143c to the second station 143d, the roller 142b drives the lifting platform 120 to move upward and close to the bearing platform 110 through the pushing block 143, so that the clamping claw 131 moves upward relative to the clearance hole 111, and when the roller 142b moves to the second station 143d, the lifting platform 120 moves upward to a limit position, that is, the clamping claw 131 moves upward to a limit position relative to the clearance hole 111. When the piston rod of the driver 141 contracts to drive the sliding block 142a to move backwards and move the roller 142b from the second station 143d to the first station 143c, the roller 142b drives the lifting platform 120 to move downwards away from the bearing platform 110 through the pushing block 143, so that the clamping claw 131 moves downwards relative to the avoiding hole 111, and when the roller 142b moves to the first station 143c, the lifting platform 120 moves downwards to the limit position, that is, the clamping claw 131 moves downwards relative to the avoiding hole 111 to the limit position.

When the workpiece 20 is placed on the first bearing mechanism 100, the second position 22 of the workpiece 20 faces downward and is tightly attached to the upper surface of the bearing table 110, so that the first position 21 of the workpiece 20 faces upward and is exposed to the outside, so that the subsequent grinding mechanism 500 performs grinding processing on the first position 21. Two workpieces 20 can be placed on the bearing table 110 at the same time, the middle part of each workpiece 20 is borne on the upper surface of the bearing table 110, and both ends of each workpiece 20 are clamped by the clamping claws 131 of the clamping assembly 130 to be fixed, so that the workpieces 20 are prevented from moving and rotating in the subsequent grinding process, and the grinding mechanism 500 can precisely machine the first position 21. Since the position of the upper surface of the susceptor 110 is fixed relative to the supporting box 800, if the position of the clamping claw 131 relative to the clearance hole 111 remains unchanged, when the cross-sectional dimension (diameter) of the workpiece 20 increases, the clamping claw 131 will reduce the clamping area of the workpiece 20, and a stable and reliable clamping effect cannot be achieved; when the cross-sectional dimension (diameter) of the workpiece 20 is reduced, the clamping jaw 131 will be caused to increase the clamping area to the workpiece 20, causing the end of the clamping jaw 131 to be disposed protruding beyond the first location 21 of the workpiece 20, such that the clamping jaw 131 constitutes an interference with the grinding of the workpiece 20. Therefore, when the diameter of the workpiece 20 is 10mm, the roller 142b can be moved to the second station 143d so that the holding claw 131 is moved upward to the extreme position, so that a reliable holding of the workpiece 20 having a large size is formed. When the diameter of the workpiece 20 is 8mm, the roller 142b may be moved to the first station 143c so that the holding claw 131 moves downward to the extreme position, preventing the end of the holding claw 131 from protruding beyond the first position 21 to interfere with the grinding of the workpiece 20. When the diameter of the workpiece 20 is between 8mm and 10mm, the roller 142b can be moved to a proper position between the first station 143c and the second station 143d, ensuring that the clamping claws 131 form stable and reliable clamping of the workpiece 20 without interference.

Referring to fig. 3, 5 and 6, the second supporting mechanism 200 may be identical to the first supporting mechanism 100 in structure, that is, the second supporting mechanism 200 also includes the supporting platform 110, the lifting platform 120, the clamping assembly 130 and the driving assembly 140, so that reference may be made to the above description of the first supporting mechanism 100, and further description thereof is omitted. The second supporting mechanism 200 and the first supporting mechanism 100 are disposed at an interval in the front-rear direction. When the workpiece 20 is placed on the second bearing mechanism 200, the first position 21 of the workpiece 20 faces downward and is tightly attached to the upper surface of the bearing table 110 of the second bearing mechanism 200, so that the second position 22 of the workpiece 20 faces upward and is exposed to the outside, and the subsequent grinding mechanism 500 performs grinding processing on the second position 22.

Referring to fig. 3, 5 and 6, in some embodiments, the covering mechanism 300 is disposed beside the second carriage mechanism 200. The cover mechanism 300 includes a power source 310, a mounting bracket 320, and a cover assembly 330, and the cover assembly 330 includes a cover plate 331 and a cover strip 332. Specifically, the mounting rack 320 is fixed on the support box 800, the power source 310 may be an air cylinder or a linear motor, etc., the covering plate 331 is a substantially plate-shaped mechanism, the covering plate 331 is slidably disposed on the mounting rack 320, and the covering plate 331 is reciprocally slidable in a vertical direction (Z-axis direction) with respect to the mounting rack 320. The output shaft of the power source 310 is connected to the cover plate 331 so as to drive the cover plate 331 to slide up and down reciprocally relative to the mounting frame 320. The covering plate 331 has a receiving groove 331a, and the shape of the receiving groove 331a is adapted to the shape of the workpiece 20, for example, the receiving groove 331a and the workpiece 21 may be both W-shaped or S-shaped. The accommodating groove 331a penetrates the entire covering plate 331 in the thickness direction, the covering strip 332 spans the accommodating groove 331a, and both ends of the covering strip are fixed to the covering plate 331. When the power source 310 drives the covering plate 331 to move downward until the covering plate 331 abuts against the platform 110 of the second bearing mechanism 200, the workpiece 20 is accommodated in the accommodating groove 331a, and the second position 22 of the workpiece 20 protrudes the covering plate 331 by a certain height, which may be about 1mm, so as to eliminate the interference of the covering plate 331, and facilitate the subsequent grinding mechanism 500 to grind the second position 22. Meanwhile, the covering strip 332 can effectively cover the covering position 23a where the two-dimensional code 23 is located on the workpiece 20, so that the grinding mechanism 500 is prevented from damaging the two-dimensional code 23 in the grinding process. After the grinding process is completed, the power source 310 may be made to drive the cover plate 331 upward to move away from the second bearing mechanism 200, so that the workpiece 20 can be smoothly removed from the second bearing mechanism 200.

Referring to fig. 3 and 10, in some embodiments, the carrying mechanism 400 includes a clamping jaw 410, a traverse member 420, and a transmission member 430, wherein the traverse member 420 is slidably disposed on the supporting box 800, and the transmission member 430 is disposed on the supporting box 800 and is configured to drive the traverse member 420 to slide relative to the supporting box 800. The driving member 430 may be a timing belt, etc., and the traverse member 420 may be reciprocally slid in a front-rear direction with respect to the support box 800. The clamping jaw 410 is rotatably disposed on the traverse member 420, and the traverse member 420 may drive the clamping jaw 410 to rotate. For example, the traverse member 420 may be a rotary cylinder, and the clamping jaw 410 may be a clamping jaw of a clamping cylinder fixed to a rotary shaft of the rotary cylinder. After the workpiece 20 is processed on the first bearing mechanism 100, the clamping jaw 410 may be made to clamp an end of the workpiece 20, then the clamping jaw 410 slides toward the second bearing mechanism 200, when the workpiece 20 reaches the second bearing mechanism 200, the clamping jaw 410 may be made to rotate 180 °, so that the second position 22, which is originally arranged downward, is changed to be arranged upward, and finally the clamping jaw 410 places the workpiece 20 with the second position 22 upward on the bearing table 110 of the second bearing mechanism 200, so that the subsequent grinding mechanism 500 performs grinding processing on the second position 22.

Referring to fig. 3 and 11, in some embodiments, the grinding mechanism 500 includes a carrier 510, a moving frame 520, and a grinding head 530, the carrier 510 being fixed to the support box 800, the carrier 510 extending in a left-right direction (Y-axis direction), the moving frame 520 being slidably coupled to the carrier 510, and movement being driven by a linear motor so that the moving frame 520 slides in a left-right direction with respect to the carrier 510. The polishing head 530 is slidably connected to the movable frame 520, and the polishing head 530 may also be driven by a linear motor, so that the polishing head 530 slides reciprocally in a vertical direction (Z-axis direction) with respect to the movable frame 520, obviously, the sliding direction of the polishing head 530 with respect to the movable frame 520 is perpendicular to the sliding direction of the movable frame 520 with respect to the carrier 510. The number of the polishing heads 530 may be two, and two polishing heads 530 are disposed on opposite sides of the movable frame 520, so that one of the polishing heads 530 is located just above the first carriage 100 to perform a grinding process on the first position 21 of the workpiece 20 on the first carriage 100. A further grinding head 530 is located just above the second carrier means 200 for grinding a second location 22 of the workpiece 20 on the second carrier means 200. When the polishing head 530 moves downward relative to the movable frame 520 to press against the workpiece 20 and polish the workpiece 20, the movable frame 520 may be moved in the left-right direction relative to the carriage 510, i.e., the polishing head 530 is driven to move along the length direction of the workpiece 20, so that the polishing head 530 can effectively polish various portions of the first position 21 or the second position 22 of the workpiece 20. The sanding head 530 may include a sanding body 531 and a sanding sheet 532, the sanding body 531 being slidably disposed on the moving frame 520, the sanding sheet 532 being substantially disc-shaped and adhered to the sanding body 531, i.e., the sanding body 531 serving as a carrier for the sanding sheet 532, the sanding sheet 532 being in direct contact with the workpiece 20 to sand the workpiece 20.

Referring to fig. 3, 5 and 6, in some embodiments, the loading mechanism 600 includes a plurality of lifting tables 610 and a plurality of limiting rods 620, the lifting tables 610 are similar to the grinding plate 532 in shape, i.e., the lifting tables 610 are also disc-shaped, and the lifting tables 610 are used for carrying the grinding plate 532. The quantity of gag lever post 620 is a plurality of, and the lower extreme of gag lever post 620 is fixed on supporting box 800, and the upper end of gag lever post 620 is the free end, and a plurality of gag lever posts 620 encircle the setting of lifting platform 610 for a plurality of gag lever posts 620 set up along the even interval of circumference of lifting platform 610. The lifting platform 610 can be driven by an air cylinder to slide up and down relative to the limiting rod 620, so as to drive the polishing sheet 532 to move upwards in the space defined by the limiting rod 620. Specifically, a plurality of polishing pads 532 are stacked in a space defined by the stopper bar 620, and when the uppermost polishing pad 532 is sucked by the polishing body 531 at a designated position, the lifting stage 610 can be moved upward by a reasonable distance substantially equal to the thickness of the polishing pad 532, so that the next polishing pad 532 is also positioned at the designated position for suction by the polishing body 531.

Referring to fig. 3, 5, and 6, in some embodiments, the unloading mechanism 700 includes a first clamping block 710 and a second clamping block 720, both the first clamping block 710 and the second clamping block 720 are spaced apart in a vertical direction, and both the first clamping block 710 and the second clamping block 720 are located directly above the support box 800. The first clamping block 710 may be positioned above the second clamping block 720 and fixed with respect to the support box 800, and the second clamping block 720 may be reciprocated in a vertical direction by a cylinder driving so that the second clamping block 720 can slide close to or away from the first clamping block 710. When the moving frame 520 drives the grinding sheet 532 to be scraped in a reasonable height range to move into a gap between the first clamping block 710 and the second clamping block 720, the second clamping block 720 can be made to move close to the first clamping block 710 so that the grinding sheet 532 is clamped between the first clamping block 710 and the second clamping block 720, then the moving frame 520 drives the grinding main body 531 to move in the left-right direction, so that the grinding main body 531 overcomes the friction force between the grinding sheet 532 and the grinding main body 531 to be far away from the grinding sheet 532, and finally the grinding sheet 532 to be scraped is separated from the grinding main body 531. After the discard sanding sheet 532 is detached from the sanding body 531, the sanding body 531 may be moved above the loading mechanism 600 so that the sanding body 531 adheres a new sanding sheet 532.

When the grinding device 10 works, the following working steps can be mainly formed: in a first step, the workpiece 20 is placed on the support table 110 of the first support mechanism 100 with the first position 21 facing upward, and then the clamping assemblies 130 are caused to clamp both ends of the workpiece 20. In the second step, the polishing head 530 is pressed against one end of the workpiece 20 by the left and right sliding of the moving frame 520 with respect to the carrier 510 and the up and down sliding of one of the polishing heads 530 with respect to the moving frame 520. The moving frame 520 is then slid in the left-right direction with respect to the carriage 510 toward the other end of the workpiece 20 so that the grinding head 530 performs a grinding process on the entire first position 21 of the workpiece 20. Third, the clamping claws 410 of the carrying mechanism 400 clamp the end portions of the workpieces 20, so that the clamping claws 410 grip the workpieces 20 and move in the front-rear direction to the second carriage mechanism 200. Then the clamping jaws 410 rotate the workpiece 20 through 180 °, so that the second position 22, which is originally oriented, is turned upward, and finally the clamping jaws 410 place the workpiece 20 on the second support means 200. In the fourth step, the covering plate 331 of the covering mechanism 300 moves downward and presses against the second carrying mechanism 200, so that the covering strip 332 covers the two-dimensional code 23 on the workpiece 20. In the fifth step, the polishing head 530 is pressed against one end of the workpiece 20 by the left and right sliding of the moving frame 520 with respect to the carriage 510 and the up and down sliding of the other polishing head 530 with respect to the moving frame 520. The moving frame 520 is then slid in the left-right direction with respect to the carrier 510 toward the other end of the workpiece 20 so that the polishing head 530 performs a grinding process on the entire second position 22 of the workpiece 20. Sixthly, after the second position 22 of the workpiece 20 is processed, the covering plate 331 moves upward to be away from the second bearing mechanism 200, so that the clamping claws 410 of the carrying mechanism 400 clamp the end of the workpiece 20 and move the workpiece 20 out of the second bearing mechanism 200 to be conveyed to the next station for processing. Above-mentioned every step need not artifical the participation, has greatly improved the work efficiency of polishing on the basis of guaranteeing the quality of polishing.

When the sanding sheet 532 is too worn, the sanding sheet 532 may be moved to the unloading mechanism 700 so that the unloading mechanism 700 unloads the sanding sheet 532 that is too worn to be discarded from the sanding body 531. The grinding body 531, from which the grinding sheet 532 has been unloaded, is then moved to the loading mechanism 600 so that a new grinding sheet 532 is newly mounted on the grinding body 531.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims

1. A grinding device for grinding a first position and a second position of a workpiece, the grinding device comprising:

the conveying mechanism is used for conveying the workpiece from the first bearing mechanism to the second bearing mechanism;

2. The polishing device as claimed in claim 1, wherein the first and second supporting mechanisms each include a supporting platform, a lifting platform, a clamping assembly and a driving assembly, the supporting platform is provided with a clearance hole, the clamping assembly is fixed on the lifting platform, the driving assembly is used for driving the lifting platform to move close to or away from the supporting platform, and the clamping assembly can slide relative to the clearance hole and is used for clamping the workpiece.

3. The polishing device as claimed in claim 2, wherein the driving assembly includes a driver, a sliding member and a pushing block, the driver is configured to drive the sliding member to slide, the pushing block is fixed on the carrier and has a sliding hole, the sliding member has a first station and a second station in the sliding hole, and when the driver drives the sliding member to move from the first station to the second station, the lifting table moves close to the carrier.

4. The grinding device of claim 3, wherein the sliding member includes a slider and a roller rotatably disposed on the slider and engaged with the slide hole, and the second station is closer to the lifting table than the first station.

5. The polishing apparatus as claimed in claim 1, wherein the polishing mechanism includes a carrier, a movable frame, and a polishing head, the movable frame is slidably connected to the carrier, the polishing head is slidably connected to the movable frame, a sliding direction of the polishing head with respect to the movable frame is perpendicular to a sliding direction of the movable frame with respect to the carrier, and the number of the polishing heads is two and is divided between opposite sides of the movable frame.

6. The abrading device of claim 1, wherein the cover mechanism includes a cover assembly that is movable toward and away from the second carriage mechanism and that is capable of pressing against the second carriage mechanism to cover a cover position of the workpiece.

7. The polishing device as claimed in claim 6, wherein the covering assembly comprises a covering plate and a covering strip, the covering plate is provided with a holding groove for holding the workpiece, and the covering strip is connected with the covering plate, straddles the holding groove and is used for covering the covering position.

8. The abrading device of claim 1, wherein the handling mechanism includes a clamping jaw that is capable of rotating and that is further capable of sliding back and forth between the first and second carrier mechanisms.

9. The polishing apparatus as claimed in claim 1, further comprising a loading mechanism, wherein the loading mechanism includes a plurality of lift stages and a plurality of position limiting rods, the position limiting rods are arranged at intervals around the lift stages, and the lift stages are capable of sliding relative to the position limiting rods.

10. The grinding device of claim 1, further comprising an unloading mechanism including first and second spaced-apart blocks, the second block being slidable toward and away from the first block.