Robot arm special for quartz boat polishing

Abstract

The utility model is suitable for the technical field of robotic arms, and provides a robotic arm special for quartz boat polishing. A rotating chassis; the robotic arm body is movably mounted at the top of the robotic arm body, and the polishing working position and angle are changed; the rotating disc is movably mounted at the front end of the robotic arm body and is used for controlling the grinding speed; the connecting base is fixedly mounted at the left end of the rotating disc; and the positioning column is fixedly mounted at the left end of the connecting base. Compared with the prior art, the mechanical arm has the beneficial effects that when the mechanical arm is used, the clamping structure is arranged, so that the grinding head can be conveniently restrained and fixed during use, the grinding head cannot fall off during working, and the mechanical arm can be conveniently loosened when needing to be replaced, so that the mechanical arm can conveniently replace the grinding head according to the working condition; and the grinding head and the surface precision thereof are automatically replaced and changed, so that large-batch production is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of robot arms, and in particular relates to a robot arm professionally used for polishing quartz boats. Background Art

[0002] Quartz boat, also known as quartz glass, is a glass with better light transmittance and electrical resistance than ordinary glass.

[0003] In order to make the surface of the quartz boat smoother, grinding and polishing are performed during production. However, traditional manual grinding has low efficiency and quality. Therefore, the prior art mostly uses machine equipment, such as a polishing machine and a polishing robot arm for polishing. However, during polishing, the grinding head will become smooth as the grinding time increases, resulting in reduced polishing effect. Therefore, the grinding head needs to be replaced regularly. However, in the prior art, the grinding head connected to the robot arm is fixed with multiple bolts, which makes it difficult for manual labor to complete a large amount of replacement work when multiple devices are produced in large quantities at the same time.

[0004] Therefore, how to provide a robot arm professionally used for quartz boat polishing is a problem that those skilled in the art need to solve urgently. Utility Model Content

[0005] The utility model aims to provide a robot arm professionally used for polishing quartz boats, aiming to solve the problems mentioned in the background technology.

[0006] The utility model is implemented as follows: a robot arm professionally used for polishing a quartz boat comprises:

[0007] Rotating chassis;

[0008] A robot arm body, wherein the robot arm body is movably mounted on the top of the robot arm body to change the grinding working position and angle;

[0009] A rotating disk, which is movably mounted at the front end of the robot arm body to control the grinding speed;

[0010] A connecting base, wherein the connecting base is fixedly mounted on the left end of the rotating disk;

[0011] A positioning column, the positioning column is fixedly mounted on the left end of the connecting base;

[0012] A grinding head, the grinding head is movably sleeved on the surface of the positioning column;

[0013] A clamping structure, which is arranged on the connecting base and is clamped with the grinding head;

[0014] The adjusting disk is arranged at the left end of the rotating chassis and is provided with placement slots in an array.

[0015] Preferably, a movable clamping structure is provided inside the placement groove, and the movable clamping structure includes a second movable groove, an expansion airbag and a clamping airbag. The second movable groove is opened in the middle of the adjustment disk, and the expansion airbag and the clamping airbag are arranged inside the second movable groove from the inside to the outside. The inner side of the clamping airbag is arranged in contact with the surface of the grinding head, and through holes are arranged in an array between the expansion airbag and the clamping airbag. The number and position of the movable clamping structure correspond to the number and position of the placement grooves.

[0016] Preferably, the clamping structure includes a bidirectional screw, a movable block and a top block, the top of the grinding head is symmetrically provided with positioning grooves, the two ends of the connecting base are symmetrically provided with first movable grooves, the inside of the first movable groove is movably hinged with a push rod, the bidirectional screw is movably mounted on the surface of the rotating disk, the movable blocks are symmetrically mounted on the two ends of the bidirectional screw, the top block is fixedly mounted on the surface of the movable block, the lower end of the movable block is fixedly provided with a spring, and is fixedly connected to the outer side of the upper end of the push rod.

[0017] Preferably, the robot arm body includes a first movable arm, a second movable arm and a third movable arm, the first movable arm is movably hinged at the top of the rotating chassis, the second movable arm is movably hinged at the top of the first movable arm, the third movable arm is movably hinged at the top of the second movable arm, and the surfaces of the first movable arm, the second movable arm and the third movable arm are all provided with steering units.

[0018] Preferably, grinding heads are placed in the internal array of the placement slots, and every three of the grinding heads have the same grinding accuracy and the same color.

[0019] Preferably, the positioning groove is formed into an L shape, and the lower end of the push rod is formed into an L shape.

[0020] Compared with the prior art, the beneficial effect of the utility model is that when in use, by setting a clamping structure, the grinding head can be conveniently constrained and fixed so that it will not fall off during work, and it can be conveniently loosened when it needs to be replaced, so that the robotic arm can automatically change the grinding head and its surface accuracy according to the working conditions, thereby facilitating mass production.

[0021] Furthermore, by arranging a movable clamping structure on the adjustment plate, it can be attached to the side of the grinding head when placed, so that the grinding head can be separated from the robot arm body more quickly and stably, and the replacement efficiency is further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 A schematic diagram of the overall appearance structure of a machine arm professionally used for quartz boat polishing provided by an embodiment of the utility model;

[0024] Figure 2 A schematic diagram of a top view of a mechanical arm professionally used for polishing a quartz boat provided in an embodiment of the utility model;

[0025] Figure 3 A schematic diagram of the main cross-sectional structure of a robot arm professionally used for quartz boat polishing provided by an embodiment of the utility model;

[0026] Figure 4 The embodiment of the utility model provides Figure 3 A schematic diagram of the enlarged structure of part A;

[0027] Figure 5 The embodiment of the utility model provides Figure 3 Schematic diagram of the enlarged structure of part B.

[0028] In the figure: 1-rotating chassis, 2-machine arm body, 201-first movable arm; 202-second movable arm; 203-third movable arm; 3-rotating disk, 4-positioning column, 5-grinding head, 6-connecting base, 7-positioning groove, 8-first movable groove, 9-top rod, 10-top block, 11-spring, 12-bidirectional screw, 13-moving block, 14-placing groove, 15-second movable groove, 16-expansion airbag, 17-clamping airbag, 18-through hole, 19-adjusting disk. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0030] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0031] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, it is a schematic diagram of the structure of a machine arm professionally used for quartz boat polishing provided by an embodiment of the utility model, including:

[0032] Rotating chassis 1;

[0033] A robot arm body 2, wherein the robot arm body 2 is movably mounted on the top of the robot arm body 2 to change the grinding working position and angle;

[0034] A rotating disk 3, which is movably mounted at the front end of the robot arm body 2 to control the grinding speed;

[0035] A connecting base 6, wherein the connecting base 6 is fixedly mounted on the left end of the rotating disk 3;

[0036] A positioning column 4, wherein the positioning column 4 is fixedly mounted on the left end of the connecting base 6;

[0037] A grinding head 5, wherein the grinding head 5 is movably sleeved on the surface of the positioning column 4;

[0038] A clamping structure, which is arranged on the connecting base 6 and is clamped with the grinding head 5;

[0039] The adjustment disk 19 is arranged at the left end of the rotating chassis 1 and has placement slots 14 arranged in an array.

[0040] In the embodiment of the utility model, when in use, the rotating chassis 1 is started, the working angle of the robot arm body 2 is adjusted, and then the rotating disk 3 is started to rotate the positioning column 4, and then the grinding head 5 is rotated to grind the grinding workpiece;

[0041] By setting up a clamping structure, it is convenient to restrain and fix the grinding head 5 when in use, so that it will not fall off during work, and it is convenient to loosen it when it needs to be replaced, so that the robot arm body 2 can automatically change the grinding head 5 and its surface accuracy according to the working conditions, thereby facilitating mass production.

[0042] like Figure 3 and Figure 5 As shown, as a preferred embodiment of the utility model, a movable clamping structure is arranged inside the placement groove 14, and the movable clamping structure includes a second movable groove 15, an expansion airbag 16 and a clamping airbag 17. The second movable groove 15 is opened in the middle of the adjustment disk 19, and the expansion airbag 16 and the clamping airbag 17 are arranged inside the second movable groove 15 from the inside to the outside. The inner side of the clamping airbag 17 is arranged in contact with the surface of the grinding head 5, and through holes 18 are arranged in an array between the expansion airbag 16 and the clamping airbag 17. The number and position of the movable clamping structure correspond to the number and position of the placement groove 14.

[0043] In the embodiment of the utility model, when in use, the grinding head 5 is placed into the placement groove 14, so that the clamping airbag 17 is pressurized, and the air is transmitted to the expansion airbag 16 through the through hole 18 to expand it;

[0044] By providing the expansion airbag 16 , after expansion, the airbag 16 will shrink, thereby expanding the clamping airbag 17 and making it contact more closely with the side of the grinding head 5 , thereby facilitating its fixation and allowing it to be separated from the positioning column 4 more quickly.

[0045] like Figure 1 , Figure 3 and Figure 4 As shown, as a preferred embodiment of the utility model, the clamping structure includes a bidirectional screw 12, a movable block 13 and a top block 10, the top of the grinding head 5 is symmetrically provided with a positioning groove 7, the two ends of the connecting base 6 are symmetrically provided with a first movable groove 8, the inside of the first movable groove 8 is movably hinged with a top rod 9, the bidirectional screw 12 is movably mounted on the surface of the rotating disk 3, the movable blocks 13 are symmetrically mounted on the two ends of the bidirectional screw 12, the top block 10 is fixedly mounted on the surface of the movable block 13, the lower end of the movable block 13 is fixedly mounted with a spring 11, and is fixedly connected to the outer side of the upper end of the top rod 9.

[0046] In the embodiment of the utility model, when in use, the bidirectional screw 12 on the connection base 6 is started, so that the moving block 13 moves outward, and then the top block 10 is driven to move outward, and then the spring 11 inside the top block 10 is driven to move, so that the top rod 9 rotates at the hinge point in the first movable groove 8, so that it is released from the positioning grooves 7 on both sides of the top of the grinding head 5, and then the grinding head 5 loses its constraint and separates from the positioning column 4;

[0047] By providing a snap-on structure, it is convenient to get in and out and fix when in use, and can be easily and quickly separated when not in use.

[0048] like Figure 1 , Figure 2 and Figure 3 As shown, as a preferred embodiment of the utility model, the robot arm body 2 includes a first movable arm 201, a second movable arm 202 and a third movable arm 203, the first movable arm 201 is movably hinged at the top of the rotating chassis 1, the second movable arm 202 is movably hinged at the top of the first movable arm 201, the third movable arm 203 is movably hinged at the top of the second movable arm 202, and the surfaces of the first movable arm 201, the second movable arm 202 and the third movable arm 203 are all provided with steering units.

[0049] In the embodiment of the utility model, when in use, the first movable arm 201, the second movable arm 202 and the third movable arm 203 are activated to change the working height and position, and by providing a steering unit on the surface of the first movable arm 201, the second movable arm 202 and the third movable arm 203, the movable response and angle of the first movable arm 201, the second movable arm 202 and the third movable arm 203 are made wider, so that the grinding is more comprehensive.

[0050] like Figure 1 As shown, as a preferred embodiment of the utility model, the internal array of the placement groove 14 is provided with grinding heads 5, and every three of the grinding heads 5 have the same grinding accuracy and the same color.

[0051] In the embodiment of the utility model, when in use, by setting the grinding heads 5 in the placement slot 14 to the same grinding accuracy and the same color for every three, it is convenient to identify them when in use, and the corresponding grinding heads 5 can be replaced according to the accuracy requirements.

[0052] like Figure 3 and Figure 4 As shown, as a preferred embodiment of the utility model, the positioning groove 7 is formed into an L shape, and the lower end of the push rod 9 is formed into an L shape.

[0053] In the embodiment of the utility model, when in use, the positioning groove 7 is opened into an L shape, and the lower end of the push rod 9 is set into an L shape, so that the lower end of the push rod 9 is movably engaged with the outer side of the lower end of the push rod 9.

[0054] The above embodiment of the utility model provides a robot arm professionally used for polishing a quartz boat. When in use, the rotating chassis 1 is started, the working angle of the robot arm body 2 is adjusted, and then the working angles and positions of the first movable arm 201, the second movable arm 202 and the third movable arm 203 are adjusted according to the position and angle of the polishing workpiece, so that the position and angle of the polishing head 5 on the rotating disk 3 correspond to the position on the surface of the polishing workpiece to be polished, and then the polishing process is performed;

[0055] Then, when it is necessary to replace the grinding head 5 or change the precision of the grinding head 5, the adjustment disk 19 is started, so that the vacant placement slot 14 on the surface of the adjustment disk 19 moves to the left end, thereby facilitating the placement of the grinding head 5 on the robot arm body 2;

[0056] When placing, the grinding head 5 is inserted into the clamping airbag 17, and then the bidirectional screw 12 on the connecting base 6 is started, so that the moving block 13 moves outward, and then the top block 10 is driven to move outward, and then the spring 11 inside the top block 10 is driven to move, so that the top rod 9 rotates at the hinge point in the first movable groove 8, so that it is released from the positioning grooves 7 on both sides of the top of the grinding head 5, and then the grinding head 5 is released from the constraint, so that under the clamping of the expansion airbag 16 and the clamping airbag 17, the grinding head 5 is separated from the positioning column 4;

[0057] Then, the spare grinding head 5 in the corresponding placement slot 14 is moved to the left end, so that the grinding head 5 to be replaced is within the range of motion of the robot arm body 2, thereby making it easier to replace;

[0058] Then, the push rod 9 is inserted into the positioning groove 7, and then the bidirectional screw 12 on the connecting base 6 is started in reverse, so that the movable block 13 moves inward, and then the push block 10 is driven to move inward, and then the spring 11 inside the push block 10 is compressed, so that the push rod 9 rotates at the hinge point in the first movable groove 8, so that the lower end of the push rod 9 is engaged with the positioning grooves 7 on both sides of the top of the grinding head 5, and then the grinding head 5 is constrained, and the grinding head 5 is fixed on the positioning column 4, and the constraints of the expansion airbag 16 and the clamping airbag 17 are overcome, so that it is easy to pull out.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A robot arm specially used for polishing quartz boats, characterized in that: include; Rotating chassis; A robot arm body, which is movably mounted on the top of the robot arm body to change the grinding working position and angle; A rotating disk, which is movably mounted at the front end of the robot arm body to control the grinding speed; A connecting base, wherein the connecting base is fixedly mounted on the left end of the rotating disk; A positioning column, the positioning column is fixedly mounted on the left end of the connecting base; A grinding head, the grinding head is movably sleeved on the surface of the positioning column; A clamping structure, which is arranged on the connecting base and is clamped with the grinding head; The adjusting disk is arranged at the left end of the rotating chassis and is provided with placement slots in an array.

2. A robot arm specially used for quartz boat polishing according to claim 1, characterized in that: A movable clamping structure is arranged inside the placement groove, and the movable clamping structure includes a second movable groove, an expansion airbag and a clamping airbag. The second movable groove is opened in the middle of the adjustment disk, and the expansion airbag and the clamping airbag are arranged inside the second movable groove from the inside to the outside. The inner side of the clamping airbag is arranged in contact with the surface of the grinding head, and through holes are arranged in an array between the expansion airbag and the clamping airbag. The number and position of the movable clamping structure correspond to the number and position of the placement grooves.

3. A robot arm specially used for quartz boat polishing according to claim 1, characterized in that: The clamping structure includes a bidirectional screw, a moving block and a top block. The top of the grinding head is symmetrically provided with positioning grooves, and the two ends of the connecting base are symmetrically provided with first movable grooves. The inside of the first movable groove is movably hinged with a push rod. The bidirectional screw is movably mounted on the surface of the rotating disk, and the moving blocks are symmetrically mounted on the two ends of the bidirectional screw. The top block is fixedly mounted on the surface of the moving block, and the lower end of the moving block is fixedly provided with a spring and is fixedly connected to the outer side of the upper end of the push rod.

4. The robot arm for polishing quartz boats according to claim 1, characterized in that: The robot arm body includes a first movable arm, a second movable arm and a third movable arm. The first movable arm is movably hinged at the top of a rotating chassis, the second movable arm is movably hinged at the top of the first movable arm, and the third movable arm is movably hinged at the top of the second movable arm. Steering units are arranged on the surfaces of the first movable arm, the second movable arm and the third movable arm.

5. The robot arm professionally used for quartz boat polishing according to claim 1, characterized in that: The inner array of the placement slot is provided with grinding heads, and every three of the grinding heads have the same grinding accuracy and the same color.

6. The robot arm for polishing quartz boats according to claim 3, characterized in that: The positioning groove is formed into an L shape, and the lower end of the push rod is formed into an L shape.

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