Robot material taking and placing clamp with ejection structure

By designing a robot pick-and-drop fixture with an ejection structure, the automatic disengagement of injection molded products is achieved by using an air pump to drive the push rod and push plate, which solves the problem of inefficiency in the existing technology, improves the operating efficiency of the automated production line and reduces human damage.

CN223115698UActive Publication Date: 2025-07-18NANTONG JINGLEI PLASTIC MOULD CO LTD
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Patent Information

Application Number
CN202422402312.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-07-18
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

The lack of ejection structure of existing robot fixtures leads to inefficiency and increases labor costs.

Method used

A robotic material pick-and-drop fixture with an ejection structure is designed to drive the push rod and push plate through an air pump, and the ejection rod is used to realize the automatic disengagement of the injection molded products, and adapt to different material sizes through sliding blocks and limit plates.

Benefits of technology

It improves the operation efficiency of the automated production line, reduces product damage caused by human operation, and achieves efficient and accurate material pick-up and discharge operations.

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Abstract

The utility model relates to the technical field of injection molding, and discloses a robot material taking and placing clamp with an ejection structure, the robot material taking and placing clamp comprises a bottom plate, the two ends of the top of the bottom plate are fixedly connected with fixing rods, the tops of the multiple fixing rods are fixedly connected with the same embedding plate, and the left side and the right side of the top of the embedding plate are provided with placing cavities; a fixed cylinder is fixedly connected to the side, adjacent to the bottom plate, of the embedded plate, an air pump is fixedly connected to the bottom of the bottom plate, circular grooves are formed in the left side and the right side of the top of the bottom plate, push rods are fixedly connected to the interiors of the two circular grooves, and the tops of the two push rods are fixedly connected with the same push plate; the push plate is slidably connected to the outer wall of the fixed cylinder. According to the utility model, the mold is ejected by the ejector rod, so that an injection product is automatically separated from the clamp, the operation efficiency of an automatic production line is greatly improved, and the product damage possibly caused by manual operation is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molding, in particular to a robot pick - and - place fixture with an ejection structure. Background Art

[0002] Injection - molded products include parts made of hard plastic and soft plastic. When injection - molding in a mold, the structure of the hard plastic is first produced, and then a manipulator takes out the hard - plastic structure from the mold and puts it into another mold, where the injection of the soft - plastic structure is completed, thus realizing the final molding of the injection - molded product. Transferring the product from one mold to another is usually completed by a robot and a pick - and - place fixture installed on the robot.

[0003] After retrieval, the Chinese patent publication number is: CN216582853U. This utility model discloses a robot gripper, a robot fixture and a robot arm. One of the robot grippers includes a base, and also includes a left pushing device arranged on the base, a right pushing device arranged on the base, a left slider connected to the left pushing device, a right slider connected to the right pushing device, a left outer support block fixedly connected to the left slider, and a right outer support block fixedly connected to the right slider. The left pushing device is drivingly connected to the left slider, and the left pushing device drives the left slider to reciprocate in the left - right direction. The right pushing device is drivingly connected to the right slider, and the right pushing device drives the right slider to reciprocate in the left - right direction. The robot fixture includes this robot gripper, and the robot arm includes this robot fixture. This utility model provides a robot gripper, a robot fixture and a robot arm that can grasp stacked engine cylinder heads. When this device is in use, the robot fixture does not have an ejection structure that can eject the product from the fixture, resulting in reduced work efficiency and increased labor costs. Summary of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a robot pick - and - place fixture with an ejection structure, aiming to improve the problem that when the device is in use in the prior art, the robot fixture does not have an ejection structure that can eject the product from the fixture, resulting in reduced work efficiency and increased labor costs.

[0005] To achieve the above object, the utility model adopts the following technical solutions: A robot picking and placing fixture with an ejection structure, including a bottom plate, both ends of the top of the bottom plate are fixedly connected with fixed rods, the tops of multiple fixed rods are fixedly connected with the same embedding plate, placing cavities are respectively opened on the left and right sides of the top of the embedding plate, the adjacent side of the embedding plate and the bottom plate is fixedly connected with a fixed cylinder, an air pump is fixedly connected to the bottom of the bottom plate, circular grooves are respectively opened on the left and right sides of the top of the bottom plate, push rods are fixedly connected inside the two circular grooves, the tops of the two push rods are fixedly connected with the same push plate, the push plate is slidably connected to the outer wall of the fixed cylinder, ejection grooves are equidistantly opened on the top of the embedding plate, ejection rods are fixedly connected at the four corners of the top of the push plate, and multiple ejection rods respectively slide inside the corresponding ejection grooves, and an installation mechanism is arranged at the bottom of the bottom plate.

[0006] Through the above technical solutions: On both sides of the upper end of the bottom plate, several fixed rods are respectively fixedly connected. The tops of the fixed rods are all connected to the same embedding plate. Placing cavities are arranged on both the left and right sides of the embedding plate. One side of the embedding plate and the bottom plate is connected through a fixed cylinder. An air pump is installed at the bottom of the bottom plate. Circular grooves are respectively opened on the left and right sides of the top of the bottom plate. Two push rods are fixedly connected inside the circular grooves. The tops of the two push rods are both connected to the same push plate. The push plate can slide on the outer wall of the fixed cylinder. Multiple ejection grooves are equidistantly opened on the top of the embedding plate. Ejection rods are respectively fixedly connected at the four corners of the push plate. These ejection rods respectively slide inside the corresponding ejection grooves.

[0007] As a further description of the above technical solutions:

[0008] A sliding groove is opened on the left side of the top of the bottom plate. The front and rear sides inside the sliding groove are both slidably connected with sliding blocks. The bottoms of the two sliding blocks are both fixedly connected with hollow columns. The bottoms of the two hollow columns are both slidably connected with limiting plates. A plurality of limiting holes are equidistantly opened on the far sides of the two limiting plates. The far sides of the two hollow columns are both rotatably connected with limiting bolts.

[0009] Through the above technical solutions: At the left side position of the top of the bottom plate, a sliding groove is opened. The front and rear sides of it are both slidably connected with sliding blocks. The bottom of each sliding block is fixedly connected with a hollow column. The bottom of each hollow column is slidably connected with a limiting plate. To achieve this function, a plurality of limiting holes are equidistantly opened on the far sides of each limiting plate. The positions and quantities of these limiting holes are precisely calculated to ensure that the sliding blocks can be accurately positioned during the sliding process. The far sides of the hollow columns are both rotatably connected with limiting bolts to ensure the movement accuracy and stability of the entire system.

[0010] As a further description of the above technical solutions:

[0011] Guide holes are provided at the top four corners of the embedded plate, and guide posts are slidably connected inside the plurality of guide holes.

[0012] Through the above technical solution: At the top four corners of the embedded plate, holes for guiding are provided, ensuring the stability of the overall structure and the uniform distribution of the guiding function. Inside these guide holes, columns for guiding are slidably connected. The guide posts can flexibly slide within the holes, thereby ensuring that the embedded plate can maintain the correct direction and position during movement, enhancing its stability and reliability during use.

[0013] As a further description of the above technical solution:

[0014] The bottom ends of the plurality of guide posts are fixedly connected with bases, and both ends of the tops of the plurality of bases are rotatably connected with first fixing bolts. Two fixing holes are equidistantly provided at the top four corners of the bottom plate.

[0015] Through the above technical solution: The bottom end part of each guide post is connected to a base by a fixed connection method to ensure the stability of the guide post. The first fixing bolt is a bolt used for connecting and fixing the base. Two fixing holes are equidistantly provided at the top four corners of the bottom plate. The setting of these fixing holes is to further strengthen the connection strength between the bottom plate and the base, ensuring the stability of the entire structure.

[0016] As a further description of the above technical solution:

[0017] Chute grooves are provided on the left and right sides inside the sliding groove, and sliding blocks are fixedly connected to the left and right sides of the two sliding blocks. The plurality of sliding blocks slide inside the corresponding chute grooves respectively.

[0018] Through the above technical solution: Chute channels are provided on the left and right sides inside the sliding groove. These chute channels provide a sliding space for the sliding blocks. Sliding blocks are fixedly connected to the left and right sides of the two sliding blocks. These sliding blocks can slide along the chute channels. The plurality of sliding blocks slide inside the corresponding chute channels respectively, thereby realizing the smooth movement of the sliding blocks inside the sliding groove.

[0019] As a further description of the above technical solution:

[0020] A plurality of reserved holes are equidistantly provided on the left side of the bottom of the bottom plate. Fixing plates are fixedly connected to the right sides of the two hollow columns, and second fixing bolts are rotatably connected to the tops of the two fixing plates.

[0021] Through the above technical solution: A plurality of reserved holes are opened on the left side of the bottom of the bottom plate. For the convenience of subsequent fixing operations, at the same time, on the right side of the two hollow columns, fixing plates are fixedly connected. The function of the fixing plates is to enhance the stability and firmness of the entire structure. To further ensure the stability of the structure, fixing bolts are rotatably connected to the tops of the two fixing plates. The setting of these fixing bolts can make the entire structure more stable during use and not easy to loosen.

[0022] As a further description of the above technical solution:

[0023] The limit bolt sequentially passes through the hollow column and the corresponding limit hole.

[0024] Through the above technical solution: The limit bolt sequentially passes through the hollow column body and precisely passes through the corresponding limit hole.

[0025] As a further description of the above technical solution:

[0026] The bottom ends of a plurality of the first fixing bolts sequentially pass through the corresponding bases and fixing holes.

[0027] Through the above technical solution: The bottom ends of a plurality of the first fixing bolts sequentially pass through the fixing holes on the corresponding bases, and these fixing holes are specially designed for these bolts to ensure that the bolts can be firmly fixed on the bases.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, through the operation of the air cylinder, the push rod pushes the push plate to move upward, so that the ejector rod ejects the mold, realizing the automatic separation of the injection molded product from the fixture, greatly improving the operation efficiency of the automatic production line and reducing the product damage that may be caused by manual operation.

[0030] 2. In the utility model, by moving the position of the sliding block to adapt to different robotic arms, by moving the position of the limit plate to change the clamping size of the limit plate, and by rotating the second fixing bolt to sequentially observe the corresponding hollow column and limit hole to clamp and fix the limit plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 is a three-dimensional view of a robot pick-and-place fixture with an ejection structure proposed by the utility model;

[0032] Figure 2 is a partial structural schematic diagram of a robot pick-and-place fixture with an ejection structure proposed by the utility model;

[0033] Figure 3 is a structural exploded view of a robot pick-and-place fixture with an ejection structure proposed by the utility model;

[0034] Figure 4 The bottom view of the structure of a robot picking and placing fixture with an ejection structure proposed by the present utility model;

[0035] Figure 5 The exploded view of the installation mechanism structure of a robot picking and placing fixture with an ejection structure proposed by the present utility model.

[0036] Legend:

[0037] 1. Bottom plate; 2. Installation mechanism; 201. Sliding groove; 202. Sliding block; 203. Hollow column; 204. Limiting plate; 205. Limiting hole; 206. Limiting bolt; 3. Fixed rod; 4. Embedded plate; 5. Placing cavity; 6. Fixed cylinder; 7. Air pump; 8. Circular groove; 9. Push rod; 10. Push plate; 11. Ejection groove; 12. Ejection rod; 13. Guide hole; 14. Guide column; 15. Fixed hole; 16. Base; 17. First fixing bolt; 18. Chute; 19. Slide block; 20. Reserved hole; 21. Fixed plate; 22. Second fixing bolt. Specific implementation mode

[0038] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0039] Refer to Figure 1 、 Figure 2 and Figure 3 An embodiment provided by the present utility model: A robot picking and placing fixture with an ejection structure includes a bottom plate 1. Both ends of the top of the bottom plate 1 are fixedly connected with fixed rods 3. The tops of multiple fixed rods 3 are fixedly connected with the same embedded plate 4. Placing cavities 5 are opened on the left and right sides of the top of the embedded plate 4. The adjacent side of the embedded plate 4 and the bottom plate 1 is fixedly connected with a fixed cylinder 6. The bottom of the bottom plate 1 is fixedly connected with an air pump 7. Circular grooves 8 are opened on the left and right sides of the top of the bottom plate 1. Push rods 9 are fixedly connected inside the two circular grooves 8. The tops of the two push rods 9 are fixedly connected with the same push plate 10. The push plate 10 is slidably connected to the outer wall of the fixed cylinder 6. Ejection grooves 11 are equidistantly opened on the top of the embedded plate 4. Ejection rods 12 are fixedly connected to the four corners of the top of the push plate 10. Multiple ejection rods 12 slide inside the corresponding ejection grooves 11 respectively. An installation mechanism 2 is arranged at the bottom of the bottom plate 1;

[0040] Specifically, first place the material to be picked and placed in the placement cavity 5 at the top of the embedding plate 4. When the robot needs to pick up the material, control the fixture through an external control system. The air pump 7 at the bottom of the bottom plate 1 is started, and the power generated by the air pump 7 is transmitted through the push rod 9 in the circular groove 8. The push rod 9 pushes the push plate 10 upward, and the push plate 10 slides upward stably along the outer wall of the fixed cylinder 6. As the push plate 10 rises, the ejector rods 12 at the four corners of the top of the push plate 10 also move upward. The ejector rods 12 slide in the ejector grooves 11 at the top of the embedding plate 4 to eject the material placed in the placement cavity 5.

[0041] Refer to Figure 4 and Figure 5 , a sliding groove 201 is opened on the left side of the top of the bottom plate 1. The front and rear sides of the inside of the sliding groove 201 are both slidably connected with sliding blocks 202. The bottoms of the two sliding blocks 202 are both fixedly connected with hollow columns 203. The bottoms of the two hollow columns 203 are both slidably connected with limiting plates 204. A plurality of limiting holes 205 are equidistantly opened on the far sides of the two limiting plates 204. The far sides of the two hollow columns 203 are both rotatably connected with limiting bolts 206. The limiting bolts 206 sequentially penetrate through the hollow columns 203 and the corresponding limiting holes 205;

[0042] Specifically, when the position needs to be adjusted, the sliding block 202 slides back and forth in the sliding groove 201. The hollow column 203 at the bottom of the sliding block 202 can slide up and down along the limiting plate 204 to meet different height requirements. After adjusting to the appropriate position, by rotating the limiting bolt 206 on the far side of the hollow column 203, it is inserted into the limiting hole 205 on the far side of the limiting plate 204, thereby fixing the position of the hollow column 203.

[0043] Refer to Figure 1 and Figure 3 , guide holes 13 are opened at the four corners of the top of the embedding plate 4. Guide columns 14 are slidably connected inside the plurality of guide holes 13. The bottom ends of the plurality of guide columns 14 are both fixedly connected with bases 16. Both ends of the top of the plurality of bases 16 are rotatably connected with first fixing bolts 17. Two fixing holes 15 are equidistantly opened at the four corners of the top of the bottom plate 1. The bottom ends of the plurality of first fixing bolts 17 sequentially penetrate through the corresponding bases 16 and the fixing holes 15;

[0044] Specifically, the guide holes 13 and the guide columns 14 facilitate the upward movement of the ejector rods 12. The bases 16 and the first fixing bolts 17 fix the guide columns 14 more stably on the bottom plate 1.

[0045] Refer to Figure 5, sliding grooves 18 are provided on both the left and right sides inside the sliding groove 201. Sliders 19 are fixedly connected to both the left and right sides of the two sliding blocks 202. Multiple sliders 19 slide inside the corresponding sliding grooves 18 respectively. A plurality of reserved holes 20 are equidistantly provided at the bottom left of the bottom plate 1. Fixed plates 21 are fixedly connected to the right sides of the two hollow columns 203. Second fixing bolts 22 are rotatably connected to the tops of the two fixed plates 21;

[0046] Specifically, the sliding groove 18 and the slider 19 can make the sliding block 202 move more stably and smoothly within the sliding groove 201. The fixed plate 21 and the second fixing bolt 22 can limit and fix the sliding block 202 to make it more stable.

[0047] Working principle: When using a robot picking and placing fixture with an ejection structure, first place the material to be picked and placed in the placement cavity 5 on the top of the embedded plate 4. When the robot needs to pick up the material, control the fixture to operate through an external control system. The air pump 7 at the bottom of the bottom plate 1 is started. The power generated by the air pump 7 is transmitted through the push rod 9 in the circular groove 8. The push rod 9 pushes the push plate 10 upward. The push plate 10 slides upward stably along the outer wall of the fixed cylinder 6. As the push plate 10 rises, the ejection rods 12 at the four corners of the top of the push plate 10 also move upward. The ejection rods 12 slide in the ejection grooves 11 on the top of the embedded plate 4, and eject the material placed in the placement cavity 5. When it is necessary to place the material, the air pump 7 works in reverse, the push rod 9 drives the push plate 10 and the ejection rods 12 to descend, and the material is placed in the placement cavity 5 to complete the material placement process. In this way, the fixture can achieve efficient and accurate picking and placing operations, improve the working efficiency and accuracy of the robot, and when it is necessary to adjust the position, the sliding block 202 slides back and forth in the sliding groove 201. The hollow column 203 at the bottom of the sliding block 202 can slide up and down along the limiting plate 204 to adapt to different height requirements. After adjusting to the appropriate position, by rotating the limiting bolt 206 on the side away from the hollow column 203, making it insert into the limiting hole 205 on the side away from the limiting plate 204, thereby fixing the position of the hollow column 203, so as to adapt to different material sizes and picking and placing requirements.

[0048] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A robot pick - and - place fixture with an ejection structure, including a bottom plate (1), characterized in that: Both ends of the top of the bottom plate (1) are fixedly connected with fixing rods (3). The tops of multiple fixing rods (3) are fixedly connected with the same embedding plate (4). Placement cavities (5) are formed on the left and right sides of the top of the embedding plate (4). A fixing cylinder (6) is fixedly connected to the adjacent side of the embedding plate (4) and the bottom plate (1). An air pump (7) is fixedly connected to the bottom of the bottom plate (1). Circular grooves (8) are formed on the left and right sides of the top of the bottom plate (1). Push rods (9) are fixedly connected to the interiors of the two circular grooves (8). The tops of the two push rods (9) are fixedly connected with the same push plate (10). The push plate (10) is slidably connected to the outer wall of the fixing cylinder (6). Ejecting grooves (11) are equidistantly formed on the top of the embedding plate (4). Ejecting rods (12) are fixedly connected to the four corners of the top of the push plate (10). Multiple ejecting rods (12) slide in the corresponding ejecting grooves (11). An installation mechanism (2) is arranged at the bottom of the bottom plate (1).

2. The robot pick-and-place fixture with an ejection structure according to claim 1, characterized in that: A sliding groove (201) is formed on the left side of the top of the bottom plate (1). Sliding blocks (202) are slidably connected to the front and rear sides of the interior of the sliding groove (201). Hollow columns (203) are fixedly connected to the bottoms of the two sliding blocks (202). Limiting plates (204) are slidably connected to the bottoms of the two hollow columns (203). Multiple limiting holes (205) are equidistantly formed on the far sides of the two limiting plates (204). Limiting bolts (206) are rotatably connected to the far sides of the two hollow columns (203).

3. The robot pick-and-place fixture with an ejection structure according to claim 1, characterized in that: Guide holes (13) are formed at the four corners of the top of the embedding plate (4). Guide columns (14) are slidably connected to the interiors of the multiple guide holes (13).

4. The robot pick - and - place fixture with an ejection structure according to claim 3, characterized in that: The bottoms of the multiple guide columns (14) are fixedly connected with bases (16). The two ends of the tops of the multiple bases (16) are rotatably connected with fixing bolts one (17). Two fixing holes (15) are equidistantly formed at the four corners of the top of the bottom plate (1).

5. The robot pick-and-place fixture with an ejection structure according to claim 2, characterized in that: Chute grooves (18) are formed on the left and right sides of the interior of the sliding groove (201). Slider blocks (19) are fixedly connected to the left and right sides of the two sliding blocks (202). Multiple slider blocks (19) slide in the corresponding chute grooves (18).

6. The robot pick - and - place fixture with an ejection structure according to claim 2, wherein: Multiple reserved holes (20) are equidistantly formed on the left side of the bottom of the bottom plate (1). Fixing plates (21) are fixedly connected to the right sides of the two hollow columns (203). Fixing bolts two (22) are rotatably connected to the tops of the two fixing plates (21).

7. The robot pick-and-place fixture with an ejection structure according to claim 2, characterized in that: The limiting bolt (206) sequentially penetrates through the hollow column (203) and the corresponding limiting hole (205).

8. The robot pick-and-place fixture with an ejection structure according to claim 4, characterized in that: The bottoms of the multiple fixing bolts one (17) sequentially penetrate through the corresponding bases (16) and fixing holes (15).

Citation Information

Patent Citations

  • Robot clamping jaw, robot clamp and robot hand

    CN216582853U