Automatic stack transplanting clamp gripper

Abstract

The utility model provides an automatic stack transplanting clamp gripper, which relates to the technical field of mechanical engineering, and comprises a base, a square tube welding framework and a clamping support claw anti-falling mechanism, the bottom of the base is in bolted connection with a robotic arm, the connecting surface of the top of the base is square and is matched with the bottom of the robotic arm, and the clamping support claw anti-falling mechanism is arranged on the square tube welding framework. The joint of the base and the machine arm is coated with an anti-rust coating, a square tube welding framework is installed at the top end of the machine arm, the middle of the back face of the square tube welding framework is in bolted connection with a connecting flange, and the back face of the connecting flange is in bolted connection with the top end of the machine arm. The device has the advantages of high positioning precision, fast response and good compatibility, can effectively improve the stack transplanting efficiency and accuracy, reduces the use cost, fully considers the compatibility of different sizes of stacks through the design of the clamp gripper, and can adapt to the size change of the stacks within a certain range.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical engineering, in particular to a gripper of an automatic transplanting fixture for a battery stack. Background Art

[0002] Amid the rapid development of the new energy industry, fuel cell stacks, as key components, require efficient and precise production and assembly processes. With the widespread adoption of automation technology in the industrial sector, fuel cell stack production is also moving towards automation. Fuel cell stacks are typically heavy and have unique structural shapes, requiring precise transfer during production to ensure smooth transfer from one workstation to another and achieve continuous production. Traditional manual transfer methods are not only inefficient but also difficult to ensure accuracy and stability. With the continuous advancement of fuel cell stack technology, the types and specifications of fuel cell stacks are becoming increasingly diverse, placing higher demands on transfer tools. To accommodate fuel cell stacks of varying sizes and shapes, a highly flexible and adaptable gripper is required that can quickly and accurately grasp various stacks and ensure safe and stable transfer. The trend towards industrial automation has necessitated the emergence of automatic fuel cell stack transfer grippers. These grippers can be seamlessly integrated into automated production lines, improving production efficiency, reducing labor intensity, and ensuring consistent and stable product quality.

[0003] The automatic battery stack transplanting fixture in the existing technology has the following problems when in use: after the battery stack is stacked and pressed, it is heavy, difficult to carry manually, and there is a risk of falling, which may damage the workpiece and may also cause harm to the operator. Therefore, a battery stack automatic transplanting fixture gripper is needed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that after the battery stack is stacked and pressed, it is heavy, difficult to carry manually, and there is a risk of falling, which may damage the workpiece and may cause harm to the operator. An automatic battery stack transplanting clamp gripper is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a battery stack automatic transplanting clamp gripper, comprising a base, a square tube welded frame and a clamping claw anti-fall mechanism, the bottom of the base is bolted to a machine arm, the connection surface on the top of the base is square in shape and is adapted to the bottom of the machine arm, the connection between the base and the machine arm is coated with an anti-rust coating, the top of the machine arm is installed with a square tube welded frame, the middle of the back of the square tube welded frame is bolted to a connecting flange, and the back of the connecting flange is bolted to the top of the machine arm.

[0006] Preferably, the bottom bolts of the square tube welded frame are connected with a mounting block, the back of the mounting block is mounted with a cylinder body, and the top of the cylinder body is provided with a latch.

[0007] Preferably, the clamping claw anti-falling mechanism consists of a mounting block, a cylinder body and a latch.

[0008] Preferably, a clamp gripper is installed on the front side of the square tube welded frame, and a fixed upper pressing block is installed on the top of the front side of the clamp gripper.

[0009] Preferably, an anti-sway component is clamped on the front side of the top of the fixed upper pressing block.

[0010] Preferably, a main clamping cylinder is installed in the middle of the front side of the clamp gripper, and the top of the main clamping cylinder is connected to the fixed upper pressure block.

[0011] Preferably, a guide rail slider is installed at the bottom of the front side of the clamp gripper, and the front side of the guide rail slider is bolted to a bottom clamping block, and the bottom clamping block is L-shaped.

[0012] Beneficial effects

[0013] In the utility model, the design of the automatic transplanting fixture of the battery stack is scientific and reasonable, the various components cooperate closely, and it has high-precision positioning, fast response and good compatibility, which can effectively improve the efficiency and accuracy of battery stack transplanting and reduce the cost of use. The design of the fixture gripper fully considers the compatibility of battery stacks of different sizes and can adapt to the size changes of battery stacks within a certain range. There is no need to frequently replace the fixture, which reduces the cost of use. The bolt connection parts of the base use high-strength bolts, which have undergone rigorous tensile testing to ensure that they will not loosen during long-term use.

[0014] In this utility model, the surface of the base is specially treated to enhance its wear resistance and corrosion resistance and extend its service life. The welding process of the square tube welded frame adopts advanced automated welding technology to ensure the stability and reliability of the welding quality. The structure of the frame is optimized to reduce the overall weight and the load of the machine arm while ensuring strength. The cylinder body adopts high-performance seals to ensure that there will be no air leakage during long-term work, ensuring the accuracy and reliability of the pin's movement. The material of the pin is made of high-strength alloy steel, which undergoes a heat treatment process to improve its hardness and wear resistance and extend its service life. The movement speed and strength of the cylinder in the anti-workpiece shaking mechanism can be adjusted according to different workpieces to achieve the best anti-shake effect. The guide rod and linear bearing have high matching accuracy to ensure that the clamping block moves smoothly and will not cause damage to the workpiece. The surface of the fixed upper pressure block is anti-slip treated to increase the friction with the workpiece and prevent the workpiece from sliding during the grasping process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the overall structural diagram of the utility model;

[0016] Figure 2 This is a structural diagram of the clamp gripper of the utility model;

[0017] Figure 3 It is the overall axonometric view of the present utility model;

[0018] Figure 4 This is a rear view of the clamp gripper of the present utility model;

[0019] Figure 5 This is an enlarged view of point A of the present utility model;

[0020] Figure 6 This is a component structure diagram of the utility model;

[0021] Figure 7 This is a working state diagram of the cylinder body of the present utility model.

[0022] Legend:

[0023] 1. Connecting flange; 2. Square tube welding frame; 3. Clamping claw anti-fall mechanism; 4. Anti-sway assembly; 5. Fixed upper pressure block; 6. Main clamping cylinder; 7. Guide rail slider; 8. Bottom clamping block; 9. Clamp gripper; 10. Robot arm; 11. Base; 12. Mounting block; 13. Cylinder body; 14. Latch. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific embodiments and drawings. However, the following embodiments are only preferred embodiments of the present invention and are not exhaustive. Based on the embodiments in the implementation manner, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention.

[0025] The specific embodiments of the present utility model are described below with reference to the accompanying drawings. Specific embodiment one:

[0027] Reference Figure 1-7A battery stack automatic transplanting fixture gripper includes a base 11, a square tube welded frame 2 and a clamping claw anti-fall mechanism 3. The bottom of the base 11 is bolted to a robot arm 10. The connection surface of the top of the base 11 is square and fits with the bottom of the robot arm 10. The connection between the base 11 and the robot arm 10 is coated with an anti-rust coating. The top of the robot arm 10 is installed with a square tube welded frame 2. The middle part of the back of the square tube welded frame 2 is bolted to a connecting flange 1. The back of the connecting flange 1 is bolted to the top of the robot arm 10. The bottom of the square tube welded frame 2 is bolted to a mounting block 12. The back of the mounting block 12 A cylinder body 13 is installed on the surface, and a pin 14 is provided on the top of the cylinder body 13. The clamping claw anti-fall mechanism 3 is composed of a mounting block 12, a cylinder body 13 and a pin 14. A clamp gripper 9 is installed on the front of the square tube welded frame 2. A fixed upper pressure block 5 is installed on the top of the front of the clamp gripper 9. The front of the top of the fixed upper pressure block 5 is clamped with an anti-sway component 4. A main clamping cylinder 6 is installed in the middle of the front of the clamp gripper 9. The top of the main clamping cylinder 6 is connected to the fixed upper pressure block 5. A guide rail slider 7 is installed on the bottom of the front of the clamp gripper 9. The front bolt of the guide rail slider 7 is connected to the bottom clamping block 8, and the shape of the bottom clamping block 8 is L-shaped.

[0028] In this device, the connecting flange 1 is used to connect the robot arm 10 and the clamp gripper 9. The square tube welded frame 2 serves as the main frame of the clamp and is used to install various functional components. The clamping claw anti-fall mechanism 3 is composed of a cylinder body 13, a mounting block 12, and a latch 14. After the clamping mechanism of the clamp clamps the workpiece in place, the cylinder body 13 extends and the latch 14 is inserted into the clamping claw plate to prevent the claw from falling and the workpiece from falling. Figure 6 As shown, the anti-workpiece shaking mechanism 4 is composed of a cylinder, a guide rod, a linear bearing, a mounting block, and a clamping block. After the clamping mechanism clamps the workpiece into place, the cylinder body 13 extends and the clamping block presses down to clamp the front and back of the workpiece end plate to prevent the workpiece from shaking. Figure 7 As shown, the fixed upper pressure block 5 is installed on the square tube welding skeleton 2. When the workpiece is transplanted and transported, the clamp gripper 9 of the robot arm 10 moves to the workpiece placement position, and the fixed upper pressure block 5 is attached to the upper surface of the workpiece. The main clamping cylinder 6 adopts an 80 cylinder diameter with a brake cylinder. After the fixed upper pressure block 5 is attached to the upper surface of the workpiece, the main clamping cylinder 6 contracts to clamp the workpiece. The brake can prevent the cylinder rod from extending when the air is cut off, effectively preventing it from falling. After the fixed upper pressure block 5 is attached to the upper surface of the workpiece, the main clamping cylinder 6 is retracted, driving the bottom clamping block 8 to move upward along the guide rail slider 7 to clamp the workpiece. Specific embodiment two:

[0030] Reference Figure 1-7The design of the clamp gripper fully considers the compatibility of battery stacks of different sizes, and can adapt to the size changes of battery stacks within a certain range. There is no need to frequently replace the clamp, which reduces the cost of use. The bolt connection parts of the base 11 use high-strength bolts, which have undergone rigorous tensile testing to ensure that they will not loosen during long-term use. The surface of the base 11 is specially treated to enhance its wear resistance and corrosion resistance, thereby extending its service life. The welding process of the square tube welded skeleton 2 adopts advanced automated welding technology to ensure the stability and reliability of the welding quality, and optimizes the structure of the skeleton. While ensuring strength, it reduces the overall weight and reduces the load on the robot arm 10. The cylinder body 13 uses high-performance seals to ensure that there will be no air leakage during long-term work, ensuring the accuracy and reliability of the action of the pin 14. The material of the pin 14 is made of high-strength alloy steel, which has undergone a heat treatment process to improve its hardness and wear resistance, thereby extending its service life. The service life of the workpiece can be improved. The movement speed and strength of the cylinder in the anti-workpiece shaking mechanism 4 can be adjusted according to different workpieces to achieve the best anti-sway effect. The guide rod and the linear bearing have high matching accuracy to ensure that the clamping block moves smoothly without damaging the workpiece. The surface of the fixed upper pressure block 5 is anti-slip treated to increase the friction with the workpiece to prevent the workpiece from sliding during the grasping process. The pressure of the upper pressure block can be adjusted according to the material and size of the workpiece to ensure stable clamping without damaging the workpiece. The brake device of the main clamping cylinder 6 adopts reliable electromagnetic braking technology with fast response speed and good braking effect, ensuring that the cylinder rod can be effectively prevented from extending in the case of gas cut-off, and the stroke of the cylinder is precisely controlled to ensure that the bottom clamping block 8 can accurately clamp the workpiece while avoiding damage to the workpiece caused by excessive clamping. The L-shaped design of the bottom clamping block 8 matches the shape of the workpiece, which can better fit the workpiece and improve the clamping effect.

[0031] In summary:

[0032] 1. In this equipment, the connecting flange 1 is used to connect the robot arm 10 and the clamp gripper 9. The square tube welded frame 2 is used as the main frame of the clamp for installing various functional components. The clamping claw anti-fall mechanism 3 is composed of a cylinder body 13, a mounting block 12, and a latch 14. After the clamping mechanism of the clamp clamps the workpiece in place, the cylinder body 13 extends and the latch 14 is inserted into the clamping claw plate to prevent the claw from falling and the workpiece from falling. Figure 6 As shown, the anti-workpiece shaking mechanism 4 is composed of a cylinder, a guide rod, a linear bearing, a mounting block, and a clamping block. After the clamping mechanism clamps the workpiece into place, the cylinder body 13 extends and the clamping block presses down to clamp the front and back of the workpiece end plate to prevent the workpiece from shaking. Figure 7As shown, the fixed upper pressure block 5 is installed on the square tube welding skeleton 2. When the workpiece is transplanted and transported, the clamp gripper 9 of the robot arm 10 moves to the workpiece placement position, and the fixed upper pressure block 5 is attached to the upper surface of the workpiece. The main clamping cylinder 6 adopts an 80 cylinder diameter with a brake cylinder. After the fixed upper pressure block 5 is attached to the upper surface of the workpiece, the main clamping cylinder 6 contracts to clamp the workpiece. The brake can prevent the cylinder rod from extending when the air is cut off, effectively preventing it from falling. After the fixed upper pressure block 5 is attached to the upper surface of the workpiece, the main clamping cylinder 6 is retracted, driving the bottom clamping block 8 to move upward along the guide rail slider 7 to clamp the workpiece.

[0033] 2. This equipment can adapt to changes in battery stack size within a certain range, without the need for frequent replacement of fixtures, which reduces the cost of use. The bolt connection parts of the base 11 use high-strength bolts, which have undergone rigorous tensile testing to ensure that they will not loosen during long-term use. The surface of the base 11 is specially treated to enhance its wear resistance and corrosion resistance, thereby extending its service life. The welding process of the square tube welded skeleton 2 adopts advanced automated welding technology to ensure the stability and reliability of the welding quality. The skeleton is structurally optimized to reduce the overall weight and the load of the robot arm 10 while ensuring strength. The cylinder body 13 uses high-performance seals to ensure that there will be no air leakage during long-term work, ensuring the accuracy and reliability of the action of the pin 14. The material of the pin 14 is made of high-strength alloy steel, which has undergone a heat treatment process to improve its hardness and wear resistance, extend its service life, and prevent the workpiece from shaking. The movement speed and strength of the cylinder in structure 4 can be adjusted according to different workpieces to achieve the best anti-sway effect. The guide rod and linear bearing have high matching precision to ensure that the clamping block moves smoothly without damaging the workpiece. The surface of the fixed upper pressure block 5 is anti-slip treated to increase the friction with the workpiece and prevent the workpiece from sliding during the grasping process. The pressure of the upper pressure block can be adjusted according to the material and size of the workpiece to ensure stable clamping without damaging the workpiece. The brake device of the main clamping cylinder 6 adopts reliable electromagnetic braking technology with fast response speed and good braking effect, ensuring that the cylinder rod can be effectively prevented from extending in the event of gas failure, and the stroke of the cylinder is precisely controlled to ensure that the bottom clamping block 8 can accurately clamp the workpiece while avoiding damage to the workpiece caused by excessive clamping. The L-shaped design of the bottom clamping block 8 matches the shape of the workpiece, which can better fit the workpiece and improve the clamping effect.

[0034] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0035] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A gripper for an automatic transplanting fixture for a battery stack, comprising a base (11), a square tube welded frame (2), and a clamping claw anti-fall mechanism (3), characterized in that: The bottom of the base (11) is bolted to the machine arm (10), the connection surface of the top of the base (11) is square in shape and is adapted to the bottom of the machine arm (10), the connection between the base (11) and the machine arm (10) is coated with an anti-rust coating, the top of the machine arm (10) is installed with a square tube welded frame (2), the middle of the back of the square tube welded frame (2) is bolted to a connecting flange (1), and the back of the connecting flange (1) is bolted to the top of the machine arm (10).

2. The gripper of the automatic battery stack transplanting fixture according to claim 1 is characterized in that: The bottom bolts of the square tube welded frame (2) are connected with a mounting block (12), the back of the mounting block (12) is mounted with a cylinder body (13), and the top of the cylinder body (13) is provided with a latch (14).

3. The gripper of the automatic battery stack transplanting fixture according to claim 2 is characterized in that: The clamping claw anti-falling mechanism (3) is composed of a mounting block (12), a cylinder body (13) and a latch (14).

4. The gripper of the automatic battery stack transplanting fixture according to claim 3 is characterized by: A clamp gripper (9) is installed on the front of the square tube welding frame (2), and a fixed upper pressing block (5) is installed on the top of the front of the clamp gripper (9).

5. The gripper of the automatic battery stack transplanting fixture according to claim 4 is characterized in that: An anti-sway component (4) is clamped on the front side of the top of the fixed upper pressing block (5).

6. The gripper of the automatic battery stack transplanting fixture according to claim 5, characterized in that: A main clamping cylinder (6) is installed in the middle of the front of the clamp gripper (9), and the top of the main clamping cylinder (6) is connected to the fixed upper pressing block (5).

7. The gripper of the automatic battery stack transplanting fixture according to claim 6, characterized in that: A guide rail slider (7) is installed at the bottom of the front of the clamp gripper (9), and a bottom clamping block (8) is connected to the front of the guide rail slider (7) by bolts, and the shape of the bottom clamping block (8) is L-shaped.

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