Clamping tool for workpiece polishing

Abstract

The utility model provides a clamping tool for workpiece polishing, and belongs to the field of polishing clamping, the clamping tool for workpiece polishing comprises a rack, both sides of the inner wall of the rack are provided with sliding grooves, the inner walls of the two sliding grooves are connected with sliding blocks in a sliding mode, the opposite sides of the two sliding blocks are connected with a fixed frame through a lifting assembly, and the fixed frame is provided with a clamping groove. A rotary clamping assembly is arranged on the inner wall of the fixing frame. When the side of a workpiece needs to be polished, one set of electric push rods are controlled to drive the two clamping blocks to be separated from the side of the workpiece, the other set of electric push rods are kept unchanged, a rotating motor of the set is used for driving a rotating disc to rotate in a rotating groove, and the rotating disc is matched with the clamping blocks, a connecting block, a fixing block, a fixing shaft and a shaft sleeve to drive the workpiece to rotate; and when the workpiece reaches a proper position, the two limiting pins are inserted into the two limiting holes and the positioning hole, the rotating disc and the mounting base are fixed, shaking of the workpiece during grinding is avoided, and the purpose that the clamping angle of the workpiece is adjusted through the tool is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of polishing clamping, in particular to a clamping tool for workpiece polishing. BACKGROUND

[0002] Metal workpiece polishing is a common surface treatment technology in manufacturing industry, which can make the surface of metal workpiece more smooth and beautiful. For metal plate workpiece polishing, the commonly used mechanical polishing method is used for polishing processing, which principle is to fix and position the metal plate by using a clamp, and then manually polish the surface of the metal plate. Through the search of the application number CN202420431312.7, a clamping tool for metal workpiece polishing is disclosed, which comprises a rack, a polishing roller rotating on the rack, a three-phase asynchronous motor for driving the polishing roller to rotate, a sliding plate sliding horizontally on the rack, a chain drive device for driving the sliding plate to slide, a clamping and positioning device arranged on the sliding plate, the clamping and positioning device comprising a lifting plate lifting in the middle of the sliding plate, a lifting assembly for driving the lifting plate to lift, two pairs of sliding blocks one sliding on the sliding plate respectively, two pairs of sliding blocks two sliding on the sliding plate respectively, a connecting rod one having one end hingedly connected to one pair of sliding blocks one and the other end hingedly connected to each other, a connecting rod two having one end hingedly connected to one pair of sliding blocks two and the other end hingedly connected to each other, a driving assembly one for driving each pair of sliding blocks one to approach or move away from each other, and a driving assembly two for driving each pair of sliding blocks two to approach or move away from each other. The device has the effect of automatically and quickly polishing metal plate workpiece, but the above description still has the following defects in actual use: the clamping tool cannot polish the side of the workpiece during use, lacks the function of adjusting the clamping angle of the workpiece, and is inconvenient for adjusting the height of the workpiece after adjustment, thereby reducing the polishing efficiency. Therefore, it is necessary to design a clamping tool for workpiece polishing with high practicality. SUMMARY

[0003] The utility model aims at providing a clamping tool for workpiece polishing to solve the problems in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a clamping tool for workpiece polishing, comprising a rack, two sliding grooves are formed in the inner walls of the two sides of the rack, two sliding blocks are slidingly connected to the inner walls of the two sliding grooves, the opposite sides of the two sliding blocks are connected to the fixing frame by the lifting assembly, and the inner wall of the fixing frame is provided with a rotary clamping assembly.

[0005] The lifting assembly comprises two mounting plates fixedly connected to the opposite sides of the two sliding blocks, two adjusting grooves are formed in the opposite sides of the two mounting plates, an electric telescopic rod is arranged at the bottom of the inner wall of each adjusting groove, an adjusting block is fixedly connected to the telescopic end of each electric telescopic rod, and the opposite sides of the two adjusting blocks are fixedly connected to the two sides of the fixing frame.

[0006] The rotating clamping assembly comprises two mounting seats and shaft sleeves mounted on the inner wall of the fixed frame, the inner wall of each of the two mounting seats is provided with a rotating motor, the output shaft of each of the two rotating motors is fixedly connected with a rotating disc, the inner wall of each of the two shaft sleeves is rotatably connected with a fixed shaft, the other end of each of the two fixed shafts is fixedly connected with a fixed block, the opposite side of each of the two rotating discs and fixed blocks is provided with an electric push rod, the telescopic end of each of the two groups of electric push rods is fixedly connected with a connecting block, and the other side of each of the two groups of connecting blocks is fixedly connected with a clamping block through a movable telescopic rod.

[0007] As a preferred scheme of the utility model: the middle part of both sides of the top of the rack is equipped with a fixed plate, and the opposite side of each of the two fixed plates is respectively provided with a driving motor and a first bearing.

[0008] As a preferred scheme of the utility model: the two sliding blocks are arranged on the surface of the two threaded rods, one end of each of the two threaded rods is fixedly connected with the output shaft of a servo motor, and the other end of each of the two threaded rods is rotatably connected with one side of the inner wall of a sliding groove through a second bearing.

[0009] As a preferred scheme of the utility model: the surface of the mounting seat is provided with a rotating groove, the inner wall of the rotating groove is rotatably connected with the surface of the rotating disc, the surface of the rotating disc is provided with two limiting holes, and the inner wall of each of the two limiting holes is clamped and connected with two positioning holes formed in the inner wall of each of the two rotating grooves through a limiting pin.

[0010] As a preferred scheme of the utility model: the inner wall of the clamping block is provided with a protective pad, and the surface of the protective pad is provided with anti-skid lines.

[0011] As a preferred scheme of the utility model: the middle part of the inner wall of each of the two rotating grooves is provided with a rotating hole, and the inner wall of each of the two rotating holes is rotatably connected with the output shaft of a rotating motor.

[0012] As a preferred scheme of the utility model: the surface of the rack is provided with a control panel, and the driving motor, the servo motor, the electric telescopic rod, the rotating motor and the electric push rod are electrically connected with an external power supply through the control panel.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] (1) The two groups of electric telescopic rods drive the two groups of adjusting blocks to move on the inner wall of the two groups of adjusting grooves, the two groups of adjusting blocks drive the fixed frame connected therewith to move, the fixed frame cooperates with the clamping structure to drive the workpiece to move up and down, the distance between the workpiece and the polishing roller is adjusted, and thus the workpiece is conveniently polished.

[0015] (2) by two groups of electric push rod drive two groups of connecting block moves, until drive two groups of clamping block and the side of the workpiece cardharness force, cooperate two groups of connecting block will two groups of movable telescopic rod surface spring extrusion, improve the stability of clamping, when need to the side of the workpiece polishing, control one group of electric push rod drive two clamping blocks and the side of the workpiece separate, another group of electric push rod remains unchanged, and make use of the group of rotary motor drive rotating disc in the rotating groove, rotating disc cooperate clamping block, connecting block, fixed block, fixed shaft and shaft sleeve drive workpiece rotation, when reach appropriate position will two limit pin insert into two limit hole and positioning hole, so as to limit rotating disc and mounting seat fixed, avoid workpiece polishing when appear shake, contrarily same reason, so as to realize the purpose of workpiece clamping angle adjustment, facilitate to improve the flexibility of device use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic view of the utility model;

[0017] Figure 2 It is the partial structure schematic view of the utility model;

[0018] Figure 3 It is the lifting assembly structure schematic view of the utility model;

[0019] Figure 4 It is the rotating clamping assembly structure schematic view of the utility model.

[0020] In the drawing: 1, rack; 11, sliding groove; 12, sliding block; 13, fixed frame; 14, fixed plate; 15, drive motor; 16, first bearing; 17, polishing roller; 18, threaded rod; 19, servo motor; 110, second bearing; 111, control panel; 2, lifting assembly; 21, mounting plate; 22, adjusting groove; 23, electric telescopic rod; 24, adjusting block; 3, rotating clamping assembly; 31, mounting seat; 32, shaft sleeve; 33, rotary motor; 34, rotating disc; 35, fixed shaft; 36, fixed block; 37, electric push rod; 38, connecting block; 39, movable telescopic rod; 310, clamping block; 311, spring; 312, rotating groove; 313, limit hole; 314, limit pin; 315, positioning hole; 316, protective pad block; 317, rotating hole. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 A workpiece polishing clamping tool, including frame 1, the two sides of the inner wall of frame 1 are provided with sliding groove 11, the inner wall of two sliding grooves 11 is slidably connected with sliding block 12, the opposite side of two sliding blocks 12 is connected with fixed frame 13 through lifting assembly 2, the inner wall of fixed frame 13 is provided with rotary clamping assembly 3;

[0023] Please refer to Figure 3 Lifting assembly 2 includes two mounting plates 21 fixedly connected with the opposite side of two sliding blocks 12, the opposite side of two mounting plates 21 is provided with two adjusting grooves 22, the bottom of the inner wall of two adjusting grooves 22 is provided with electric telescopic rod 23, the telescopic end of two electric telescopic rods 23 is fixedly connected with adjusting block 24, the opposite side of two adjusting blocks 24 is fixedly connected with the two sides of fixed frame 13.

[0024] Specific use: two electric telescopic rods 23 drive two adjusting blocks 24 to move in the inner wall of two adjusting grooves 22, two adjusting blocks 24 drive fixed frame 13 connected with them to move, fixed frame 13 cooperates with clamping structure to drive workpiece to move up and down, the distance between workpiece and polishing roller 17 is adjusted, so that the side is polished.

[0025] Please refer to Figure 4 Rotary clamping assembly 3 includes two mounting seats 31 and shaft sleeve 32 installed in the inner wall of fixed frame 13, the inner wall of two mounting seats 31 is provided with rotary motor 33, the output shaft of two rotary motors 33 is fixedly connected with rotating disc 34, the inner wall of two shaft sleeves 32 is rotatably connected with fixed shaft 35, the other end of two fixed shafts 35 is fixedly connected with fixed block 36, the opposite side of two rotating discs 34 and fixed blocks 36 is provided with electric push rod 37, the telescopic end of two electric push rods 37 is fixedly connected with connecting block 38, the other side of two connecting blocks 38 is fixedly connected with clamping block 310 through movable telescopic rod 39, the surface of movable telescopic rod 39 is provided with spring 311.

[0026] Specific use: two groups of electric push rod 37 drive two groups of connecting block 38 to move, until drive two groups of clamping block 310 and the side of the workpiece carding force, with two groups of connecting block 38 will two groups of movable telescopic rod 39 surface spring 311 extrusion, improve the stability of clamping, when need to workpiece side polishing, control one of the electric push rod 37 drive two clamping blocks 310 and workpiece side separation, another electric push rod 37 remains unchanged, and use the group of rotary motor 33 drive rotating disc 34 in the rotating groove 312 rotation, rotating disc 34 cooperation clamping block 310, connecting block 38, fixed block 36, fixed shaft 35 and shaft sleeve 32 drive workpiece rotation, when to the appropriate position will be two limit pin 314 into two limit hole 313 and positioning hole 315, so as to limit the rotating disc 34 and mounting seat 31 fixed, avoid workpiece polishing when shaking, realize the purpose of workpiece clamping angle adjustment, facilitate to improve the flexibility of the device.

[0027] Please refer to Figure 2 , the top of the rack 1 both sides of the middle are provided with fixed plate 14, two fixed plate 14 opposite side is respectively provided with drive motor 15 and first bearing 16, drive motor 15 and first bearing 16 between the installation and connection through polishing roller 17.

[0028] Specific use: drive motor 15 cooperation first bearing 16 drive polishing roller 17 rotation, polishing roller 17 on the surface and side of the workpiece polishing, so as to realize the polishing of workpiece.

[0029] Please refer to Figure 2 , two sliding block 12 is arranged on the surface of two threaded rods 18, one end of two threaded rods 18 and two servo motor 19 output shaft fixed connection, two threaded rods 18 the other end is through the second bearing 110 and two sliding slot 11 inner wall of one side rotation connection.

[0030] Specific use: two servo motor 19 cooperation two second bearing 110 drive two threaded rods 18 rotation, two threaded rods 18 drive two sliding block 12 in two sliding slot 11 rotation, two sliding block 12 cooperation two mounting plate 21 and fixed frame 13 in the structure drive workpiece movement, so that the surface and side of the workpiece with polishing roller 17, so as to realize the polishing operation.

[0031] Please refer to Figure 4 , the surface of the mounting seat 31 is provided with rotating groove 312, the inner wall of rotating groove 312 and the surface of rotating disc 34 rotation connection, the surface of rotating disc 34 is provided with two limit hole 313, the inner wall of two limit hole 313 is through the limit pin 314 and two rotating groove 312 inner wall is provided with two positioning hole 315 clamping connection.

[0032] Specific use: when the workpiece is adjusted to the appropriate position, two limit pins 314 are inserted into two limiting holes 313 and positioning holes 315, thereby limiting and fixing the rotating disc 34 and the mounting seat 31, avoiding the workpiece from shaking during polishing.

[0033] Please refer to Figure 4 The inner wall of the clamping block 310 is provided with a protective pad 316, and the surface of the protective pad 316 is provided with anti-skid lines.

[0034] Specific use: the protective pad 316 on the inner wall of the clamping block 310 facilitates the protection of the workpiece and improves the quality of the product.

[0035] Please refer to Figure 4 The middle part of the inner wall of the two rotating grooves 312 is provided with a rotating hole 317, and the inner wall of the two rotating holes 317 is rotationally connected with the output shaft of the two rotating motors 33.

[0036] Specific use: the output shaft of the two rotating motors 33 is rotationally connected with the rotating hole 317 in the inner wall of the two rotating grooves 312, thereby facilitating the normal adjustment of the clamping angle of the device to the workpiece.

[0037] Please refer to Figure 1 The surface of the rack 1 is provided with a control panel 111, and the driving motor 15, the servo motor 19, the electric telescopic rod 23, the rotating motor 33 and the electric push rod 37 are electrically connected with the external power supply through the control panel 111.

[0038] Specific use: the driving motor 15, the servo motor 19, the electric telescopic rod 23, the rotating motor 33 and the electric push rod 37 are controlled by the control panel 111, thereby facilitating the polishing and grinding of the surface and the side of the workpiece by the tooling.

[0039] In use, the two groups of electric push rods 37 drive the two groups of connecting blocks 38 to move until the two groups of clamping blocks 310 are clamped and stressed with the side of the workpiece, the two groups of connecting blocks 38 extrude the springs 311 on the surfaces of the two groups of movable telescopic rods 39, and the stability of clamping is improved; when the side of the workpiece needs to be polished, one group of electric push rods 37 drives the two clamping blocks 310 to separate from the side of the workpiece, the other group of electric push rods 37 remains unchanged, and the rotating motor 33 of the group drives the rotating disc 34 to rotate in the rotating groove 312, the rotating disc 34 cooperates with the clamping block 310, the connecting block 38, the fixed block 36, the fixed shaft 35 and the shaft sleeve 32 to drive the workpiece to rotate, when the appropriate position is reached, the two limiting pins 314 are inserted into the two limiting holes 313 and the positioning holes 315, the rotating disc 34 is limited and fixed with the mounting seat 31, the workpiece is prevented from shaking during polishing, the purpose of adjusting the clamping angle of the tool to the workpiece is achieved, the two groups of electric telescopic rods 23 drive the two groups of adjusting blocks 24 to move on the inner walls of the two groups of adjusting grooves 22, the two groups of adjusting blocks 24 drive the fixed frame 13 connected thereto to move, the fixed frame 13 cooperates with the clamping structure to drive the workpiece to move up and down, the distance between the workpiece and the polishing roller 17 is adjusted, and the side of the workpiece is conveniently polished.

[0040] The contents not described in detail in the description belong to the prior art known to those skilled in the art, although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A clamping fixture for workpiece polishing, characterized in that, Including frame (1), the inner wall of both sides of the frame (1) is provided with a sliding groove (11), the inner wall of two sliding grooves (11) is slidably connected with a sliding block (12), the opposite side of two sliding blocks (12) is connected with a fixed frame (13) through a lifting assembly (2), the inner wall of the fixed frame (13) is provided with a rotary clamping assembly (3); The lifting assembly (2) includes two mounting plates (21) fixedly connected with the opposite side of the two sliding blocks (12), two adjusting grooves (22) are formed in the opposite side of the two mounting plates (21), a bottom of the inner wall of the two adjusting grooves (22) is provided with an electric telescopic rod (23), the telescopic end of the two electric telescopic rods (23) is fixedly connected with an adjusting block (24), and the opposite side of the two adjusting blocks (24) is fixedly connected with the two sides of the fixed frame (13). The rotary clamping assembly (3) includes two mounting seats (31) and shaft sleeves (32) mounted on the inner wall of the fixed frame (13), the inner wall of the two mounting seats (31) is provided with a rotary motor (33), the output shaft of the two rotary motors (33) is fixedly connected with a rotating disc (34), the inner wall of the two shaft sleeves (32) is rotatably connected with a fixed shaft (35), the other end of the two fixed shafts (35) is fixedly connected with a fixed block (36), the opposite side of the two rotating discs (34) and fixed blocks (36) is provided with an electric push rod (37), the telescopic end of the two electric push rods (37) is fixedly connected with a connecting block (38), the other side of the two connecting blocks (38) is fixedly connected with a clamping block (310) through a movable telescopic rod (39), and the surface of the movable telescopic rod (39) is provided with a spring (311).

2. The workpiece polishing chucking tool of claim 1, wherein: The middle part of both sides of the top of the frame (1) is provided with a fixed plate (14), and the opposite side of the two fixed plates (14) is respectively provided with a driving motor (15) and a first bearing (16).

3. The workpiece polishing chucking tool of claim 1, wherein: The two sliding blocks (12) are arranged on the surface of two threaded rods (18), one end of the two threaded rods (18) is fixedly connected with the output shaft of two servo motors (19), and the other end of the two threaded rods (18) is rotatably connected with one side of the inner wall of the two sliding grooves (11) through a second bearing (110).

4. The workpiece polishing chucking tool of claim 1, wherein: The surface of the mounting seat (31) is provided with a rotating groove (312), the inner wall of the rotating groove (312) is rotatably connected with the surface of the rotating disc (34), the surface of the rotating disc (34) is provided with two limiting holes (313), and the inner wall of the two limiting holes (313) is clamped and connected with two positioning holes (315) formed in the inner wall of the two rotating grooves (312) through a limiting pin (314).

5. The workpiece polishing chucking tool of claim 1, wherein: The inner wall of the clamping block (310) is provided with a protective pad (316), and the surface of the protective pad (316) is provided with anti-skid lines.

6. The workpiece polishing chucking tool of claim 4, wherein: The middle part of the inner wall of each of the two rotating grooves (312) is provided with a rotating hole (317), and the inner walls of the two rotating holes (317) are rotationally connected with the output shafts of the two rotating motors (33).

7. The workpiece polishing chucking tool of claim 2, wherein: The surface of the rack (1) is provided with a control panel (111), and the driving motor (15), the servo motor (19), the electric telescopic rod (23), the rotating motor (33) and the electric push rod (37) are electrically connected with the external power supply through the control panel (111).

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