Special plane workpiece polishing machine

Abstract

The utility model relates to the field of machining equipment, and discloses a special plane workpiece polishing machine which comprises a machine frame, two polishing pieces are symmetrically installed on the machine frame, each polishing piece comprises a motor, an abrasive belt with the head closed and the tail closed and a driven wheel, a driving wheel is installed on a rotating shaft of the motor, and the abrasive belts are used for linkage of the driven wheels and the driving wheel. A polishing platform is fixed to the machine frame, a feeding piece is installed on the polishing platform and used for feeding a plane workpiece to the position between the two abrasive belts, air cylinders A are further fixed to the polishing platform, the number of the air cylinders A is a pair, piston rods of the air cylinders A are oppositely arranged, and plane clamping pieces are installed on the piston rods of the air cylinders A; the air cylinder A drives the plane clamping piece so that the two abrasive belts can be attached to the front face and the back face of the plane workpiece correspondingly. The plane workpiece polishing device has the advantages that a plane workpiece is fed between the two abrasive belts through the feeding piece, then the two abrasive belts are clamped on the front face and the back face of the plane workpiece through the plane clamping piece for polishing, the labor intensity of workers is reduced, and the polishing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of mechanical processing equipment, in particular to a special machine for polishing flat workpieces. Background Art

[0002] Polishing is a widely used process. This Chinese utility model patent (Granted Notice No. CN207043919U, Title: Polishing Machine) comprises a housing, a motor, and a polishing assembly. The motor is located within the housing. The polishing assembly includes a polishing disc fixed to the end of the motor's output shaft. The polishing machine also includes a dust collection assembly and a spray assembly connected to the polishing assembly. Each assembly is connected to a control assembly for regulating the operation of the dust collection assembly or the spray assembly. This utility model addresses the problem of existing polishing machines, which have a single polishing mode but require manual operation, which is labor-intensive. Furthermore, the polishing machine can only polish one side, making it inefficient when used on flat workpieces requiring double-sided polishing. Utility Model Content

[0003] The purpose of the utility model is to provide a plane workpiece polishing machine to overcome the shortcomings of the prior art.

[0004] The purpose of the utility model is achieved through the following technical solutions: A special machine for polishing flat workpieces, comprising a frame, two polishing parts symmetrically installed on the frame, the polishing parts comprising a motor, a sanding belt closed at both ends, and a driven wheel, the motor being fixed to the frame near the edge, the driven wheels being two and being mounted on the frame near the center for rotation in the vertical direction, a driving wheel being mounted on the rotating shaft of the motor, the sanding belt being used for the linkage between the driven wheel and the driving wheel, a polishing platform being fixed to the frame, a feeding part being mounted on the polishing platform, the feeding part being used for feeding the flat workpiece between the two sanding belts, an A cylinder being also fixed to the polishing platform, the A cylinder being a pair and the piston rods being arranged facing each other, a plane clamping part being mounted on the piston rod of the A cylinder, the plane clamping part being driven by the A cylinder so that the two sanding belts are respectively fitted to the front and back surfaces of the flat workpiece.

[0005] Preferably, the planar clamping member includes an A fixed plate, an A movable plate and an A spring, the A fixed plate is fixed on the piston rod of the A cylinder, the A movable plate is used to compress the A spring and install it on the A fixed plate, and an A guide rod is also fixed to the side of the A movable plate close to the A fixed plate, the A guide rod with the A spring inserted through the A fixed plate, and an A nut is screwed on the through end of the A guide rod.

[0006] Preferably, the feeding part includes a slide, a linear guide rail and a B cylinder, a special-shaped clamping part is installed on the slide, the special-shaped clamping part is used to fix the planar workpiece, the slide is fixed on the slider of the linear guide rail, the linear guide rail is fixed on the polishing platform along the feeding direction of the feeding part, and the B cylinder is fixed on the slide to feed the fixed planar workpiece into between the two sanding belts.

[0007] Preferably, a connecting rod is hinged on the frame, a nitrogen spring is hinged in the middle of the connecting rod, the other end of the nitrogen spring is hinged on the frame, and a tensioning wheel is rotatably mounted on the connecting rod, and the tensioning wheel is used to tighten the sanding belt.

[0008] Preferably, the special-shaped clamping member includes a C cylinder, a B fixed plate, a B movable plate, a B spring and a clamping plate, the C cylinder is fixed on the slide, the B top plate is fixed on the piston rod of the C cylinder, the B movable plate is used to compress the B spring and install it on the B fixed plate, the B movable plate close to the B fixed plate is also fixed with a B guide rod, the B guide rod with the B spring passes through the B fixed plate, the through end of the B guide rod is screwed with a B nut, the clamping plate is used to clamp the planar workpiece, the clamping plate consists of a movable clamping plate and a fixed clamping plate, the movable clamping plate is fixed on the B movable plate, the fixed clamping plate is fixed on the slide, special-shaped holes are opened on the clamping plate, a part of the special-shaped holes are opened on the movable clamping plate, and the rest of the special-shaped holes are opened on the fixed clamping plate.

[0009] Preferably, a blanking trough is provided on the polishing platform, the blanking trough is away from the sand belt, an F cylinder is fixed next to the blanking trough, and the F cylinder is used to impact the planar workpiece on the special-shaped clamping piece.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] The flat workpiece is fed between the two abrasive belts by a feeding part, and then the two abrasive belts are clamped between the front and back sides of the flat workpiece by a flat clamping part for grinding, which reduces the labor intensity of workers and improves the grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural diagram of the utility model;

[0013] Figure 2 It is a partial cross-sectional schematic diagram of the utility model;

[0014] Figure 3 for Figure 1 A partial enlarged schematic diagram of point A in the middle;

[0015] Figure 4 for Figure 2 A partial enlarged schematic diagram of point B in the middle;

[0016] In the figure, 1-frame, 2-motor, 3-abrasive belt, 4-driven wheel, 5-driving wheel, 6-polishing platform, 7-A cylinder, 8-A fixed plate, 9-A movable plate, 10-A spring, 11-A guide rod, 12-A nut, 13-slide, 14-linear guide, 15-B cylinder, 16-connecting rod, 17-nitrogen spring, 18-tensioning wheel, 19-C cylinder, 20-B fixed plate, 21-B movable plate, 22-B spring, 23-B guide rod, 24-movable splint, 25-fixed splint, 26-blanking chute, 27-F cylinder. DETAILED DESCRIPTION

[0017] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0019] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0020] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0021] In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the present invention is typically placed when in use, or are the orientations or positional relationships commonly understood by those skilled in the art. These terms are intended solely to facilitate the description of the present invention and to simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0022] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0023] like Figure 1 and 2 As shown, a plane workpiece polishing machine includes a frame 1, on which two polishing parts are symmetrically installed. The polishing parts include a motor 2, a sanding belt 3 with closed ends, and a driven wheel 4. The motor 2 is fixed near the edge of the frame 1. There are two driven wheels 4 and they are installed near the center of the frame 1 in a vertical direction. A driving wheel 5 is installed on the rotating shaft of the motor 2. The sanding belt 3 is used for the linkage between the driven wheel 4 and the driving wheel 5. A polishing platform 6 is fixed on the frame 1. A feeding piece is installed on the polishing platform 6. The feeding piece is used for In order to feed the flat workpiece between the two sanding belts 3, an A cylinder 7 is also fixed on the polishing platform 6. The A cylinder 7 is a pair and the piston rods are arranged facing each other. A plane clamp is installed on the piston rod of the A cylinder 7. The plane clamp is driven by the A cylinder 7 to make the two sanding belts 3 fit the front and back sides of the flat workpiece respectively. The flat workpiece is fed between the two sanding belts 3 through the feeding part, and then the two sanding belts 3 are clamped between the front and back sides of the flat workpiece through the plane clamp for grinding, which reduces the labor intensity of workers and improves the grinding efficiency.

[0024] In this embodiment, if Figure 1-3As shown, the planar clamping member includes an A fixed plate 8, an A movable plate 9 and an A spring 10. The A fixed plate 8 is fixed on the piston rod of the A cylinder 7. The A movable plate 9 is used to compress the A spring 10 and install it on the A fixed plate 8. An A guide rod 11 is also fixed to the side of the A movable plate 9 close to the A fixed plate 8. The A guide rod 11 with the A spring 10 penetrates the A fixed plate 8. The through end of the A guide rod 11 is screwed with an A nut 12. The area of ​​the A movable plate 9 is designed to be slightly larger than the workpiece, which can not only ensure the stability of the workpiece during processing, but also fully polish every part of the workpiece surface. It allows the high-speed running sand belt 3 to pass smoothly while tightening the sand belt 3, so that the sand belt 3 is fully combined with the workpiece.

[0025] In this embodiment, if Figure 1-4 As shown, the feeding part includes a slide 13, a linear guide 14 and a B cylinder 15. A special-shaped clamping part is installed on the slide 13. The special-shaped clamping part is used to fix the planar workpiece. The slide 13 is fixed on the slider of the linear guide 14. The linear guide 14 is fixed on the polishing platform 6 along the feeding direction of the feeding part. The B cylinder 15 is fixed on the slide 13 and is used to feed the fixed planar workpiece into between the two sanding belts 3. The special-shaped clamping part includes a C cylinder 19, a B fixed plate 20, a B movable plate 21, a B spring 22 and a clamping plate. The C cylinder 19 is fixed on the slide 13, the B top plate is fixed on the piston rod of the C cylinder 19, and the B movable plate 21 is used to The B spring 22 is compressed and installed on the B fixed plate 20. A B guide rod 23 is also fixed on the side of the B movable plate 21 close to the B fixed plate 20. The B guide rod 23 with the B spring 22 penetrates the B fixed plate 20. The through end of the B guide rod 23 is screwed with a B nut. The clamping plate is used to clamp the flat workpiece. The clamping plate consists of a movable clamping plate 24 and a fixed clamping plate 25. The movable clamping plate 24 is fixed on the B movable plate 21, and the fixed clamping plate 25 is fixed on the slide 13. Special-shaped holes are opened on the clamping plate. Some of the special-shaped holes are opened on the movable clamping plate 24, and the remaining special-shaped holes are opened on the fixed clamping plate 25. The B spring 22 provides a certain buffering force for the operation of the cylinder to ensure the operation of the device.

[0026] In this embodiment, if Figure 1 and 2 As shown, a connecting rod 16 is also hinged on the frame 1 (one of the connecting rods 16 is in a hinged state and the other is in a non-hinged state), a nitrogen spring 17 is hinged at the middle of the connecting rod 16, and the other end of the nitrogen spring 17 is hinged on the frame 1, and a tensioning wheel 18 is rotatably mounted on the connecting rod 16. The tensioning wheel 18 is used to tighten the sanding belt 3, provide appropriate tension to the sanding belt 3 running at high speed, adjust the tightness of the sanding belt 3, and thus prevent the sanding belt 3 from slipping or loosening.

[0027] In this embodiment, if Figure 4As shown, a blanking chute 26 is provided on the polishing platform 6, and the blanking chute 26 is away from the sanding belt 3. An F cylinder 27 is fixed next to the blanking chute 26. The F cylinder 27 is used to impact the flat workpiece on the special-shaped clamping part. The blanking chute 26 is a rectangular leak slightly larger than the length and width of the workpiece, and is connected to a sliding slope at the bottom. When the workpiece is polished and exits the sanding belt 3 and is released, the workpiece can fall into it and be discharged along the slope.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A plane workpiece polishing machine, comprising a frame (1), two polishing members symmetrically mounted on the frame (1), the polishing members comprising a motor (2), a sanding belt (3) closed at both ends, and a driven wheel (4), the motor (2) being fixed to the frame (1) near the edge, the driven wheels (4) being two and being mounted vertically near the center of the frame (1), a driving wheel (5) being mounted on the rotating shaft of the motor (2), the sanding belt (3) being used for linkage between the driven wheel (4) and the driving wheel (5), characterized in that: A polishing platform (6) is fixed on the frame (1), and a feeding piece is installed on the polishing platform (6). The feeding piece is used to feed the planar workpiece into between the two abrasive belts (3). An A cylinder (7) is also fixed on the polishing platform (6). The A cylinders (7) are a pair and the piston rods are arranged facing each other. A plane clamping piece is installed on the piston rod of the A cylinder (7). The A cylinder (7) drives the plane clamping piece to make the two abrasive belts (3) respectively fit the front and back surfaces of the planar workpiece.

2. A flat workpiece polishing machine according to claim 1, characterized in that: The planar clamping member comprises an A fixed plate (8), an A movable plate (9) and an A spring (10), wherein the A fixed plate (8) is fixed on the piston rod of the A cylinder (7), and the A movable plate (9) is used to compress and install the A spring (10) on the A fixed plate (8). An A guide rod (11) is also fixed on the side of the A movable plate (9) close to the A fixed plate (8), and the A guide rod (11) with the A spring (10) sleeved thereon passes through the A fixed plate (8), and an A nut (12) is screwed on the through end of the A guide rod (11).

3. The flat workpiece polishing machine according to claim 1, characterized in that: The feeding member includes a slide (13), a linear guide rail (14) and a B cylinder (15); a special-shaped clamping member is installed on the slide (13); the special-shaped clamping member is used to fix the planar workpiece; the slide (13) is fixed on the slider of the linear guide rail (14); the linear guide rail (14) is fixed on the polishing platform (6) along the feeding direction of the feeding member; the B cylinder (15) is fixed on the slide (13) and is used to feed the fixed planar workpiece into between the two abrasive belts (3).

4. A plane workpiece polishing machine according to claim 1, characterized in that: A connecting rod (16) is hinged on the frame (1), a nitrogen spring (17) is hinged at the middle of the connecting rod (16), the other end of the nitrogen spring (17) is hinged on the frame (1), and a tensioning wheel (18) is rotatably mounted on the connecting rod (16), and the tensioning wheel (18) is used to tighten the sanding belt (3).

5. The flat workpiece polishing machine according to claim 3, characterized in that: The special-shaped clamping member includes a C cylinder (19), a B fixed plate (20), a B movable plate (21), a B spring (22) and a clamping plate. The C cylinder (19) is fixed on the slide (13). The B fixed plate (20) is fixed on the piston rod of the C cylinder (19). The B movable plate (21) is used to compress and install the B spring (22) on the B fixed plate (20). A B guide rod (23) is fixed on the side of the B movable plate (21) close to the B fixed plate (20), which is covered with the B spring (22). The B guide rod (23) passes through the B fixed plate (20), and a B nut is screwed on the through end of the B guide rod (23). The clamping plate is used to clamp the planar workpiece. The clamping plate is composed of a movable clamping plate (24) and a fixed clamping plate (25). The movable clamping plate (24) is fixed on the B movable plate (21), and the fixed clamping plate (25) is fixed on the slide (13). Special-shaped holes are opened on the clamping plate, and a part of the special-shaped holes are opened on the movable clamping plate (24), and the rest of the special-shaped holes are opened on the fixed clamping plate (25).

6. A plane workpiece polishing machine according to claim 5, characterized in that: A blanking trough (26) is provided on the polishing platform (6), and the blanking trough (26) is away from the abrasive belt (3). An F cylinder (27) is fixed next to the blanking trough (26), and the F cylinder (27) is used to impact the planar workpiece on the special-shaped clamping member.

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