Variable-pitch manipulator structure of storage robot

The variable-pitch manipulator structure based on the principle of pneumatic adsorption solves the problems of damage to items and insufficient adaptability of existing warehouse robot gripping methods, and realizes non-contact gripping and flexible adjustment to adapt to multiple sizes.

CN224014834UActive Publication Date: 2026-03-20台州昌泓机器人有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing warehouse robots use clamping mechanisms that may damage items and have limited adaptability to items of different sizes.

Method used

The variable-pitch manipulator structure adopts the principle of pneumatic adsorption. The air circuit connecting block is driven by a cylinder to slide along the slide rail. The three connecting blocks move relative to each other, and the distance between the air nozzles can be flexibly adjusted to achieve non-contact gripping.

Benefits of technology

It avoids direct squeezing and friction on the surface of the object, and can quickly and accurately adapt to the grasping needs of objects of different sizes.

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Abstract

The utility model provides a variable-pitch manipulator structure of a storage robot, and belongs to the technical field of transfer robots. The problems that in the prior art, articles are prone to being damaged by clamping, and articles of different sizes cannot be handled are solved. The device comprises a machine frame, an air cylinder, a moving assembly and an air nozzle, side plates are fixedly installed on the two sides of the machine frame, the air cylinder is fixedly connected with the lower side of the machine frame, the moving assembly comprises a sliding rail, a plurality of air channel connecting blocks, a front check block, a three-hole connecting block and a two-hole connecting block, and first sliding holes are formed in the positions, close to the two ends, of the air channel connecting blocks; second sliding holes are formed in the positions, close to the two ends, of the front check block, the sliding rails are connected with the inner sides of the side plates and penetrate through the first sliding holes and the second sliding holes, a vertically-through first connecting hole is formed in the middle of the air path connecting block, a connecting pin penetrates through the first connecting hole, an air pipe is arranged at the upper end of the air nozzle, and an air hole is formed in the bottom of the air path connecting block. The air pipes are fixedly connected with the air holes and communicate with the interiors of the air holes. The packaging box has the advantages of being good in protectiveness and capable of adapting to objects of different sizes.
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Description

Technical Field

[0001] This utility model belongs to the field of material handling robot technology, and relates to a variable pitch manipulator structure for a warehouse robot. Background Technology

[0002] Warehouse robots are intelligent machine devices used in the warehousing process. They automatically perform operations such as transferring, handling, storing, and picking goods by receiving instructions or pre-programmed systems. They are core equipment for intelligent warehousing and smart logistics, and can effectively improve warehousing efficiency and reduce reliance on manpower.

[0003] Chinese patent publication number CN219155451U discloses a warehouse handling robot, including a robotic arm. A base is fixedly mounted at the lower end of the robotic arm, a clamping mechanism is fixedly mounted at the upper end of the robotic arm, a moving mechanism is mounted at the lower end of the base, a U-shaped plate is slidably disposed inside an assembly box, a screw threaded through the U-shaped plate, two sliding rods also slidably passing through the U-shaped plate, a groove matching the sliding of the U-shaped plate is opened at the lower end of the assembly box, a clamping plate is fixedly disposed at the lower end of the U-shaped plate, a brake motor is fixedly mounted on the side of the clamping plate away from the dual-axis motor, a rotating shaft is rotatably disposed inside the lower side of the clamping plate, and the rotating shaft and the brake motor are driven by gear meshing. Several vertical slots are opened at the end of the clamping plate away from the brake motor, each of the several vertical slots is equipped with a support foot, and the lower end of each of the support feet is fixedly connected to the rotating shaft.

[0004] The patent provides a warehouse handling robot that uses clamps to grip and move items. This method may damage the items and has limitations when gripping items of different sizes. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a variable-pitch manipulator structure for a warehouse robot.

[0006] The objective of this utility model can be achieved through the following technical solution: A variable-pitch manipulator structure for a warehouse robot, comprising a frame, a cylinder, a moving component, and an air nozzle. Side plates are fixedly installed on both sides of the frame. The cylinder is fixedly connected to the lower side of the frame. The moving component includes a slide rail, an air passage connecting block, a front stop block, a three-hole connecting block, and a two-hole connecting block. The number of air passage connecting blocks is several, and each air passage connecting block has a first sliding hole near both ends. The front stop block has a second sliding hole near both ends. The slide rail is connected to the inner side of the side plate and passes through... The first sliding hole and the second sliding hole, the air passage connecting block has a first connecting hole that runs vertically through the middle, and a connecting pin passes through the first connecting hole. There are several three-hole connecting blocks, and each three-hole connecting block has a through hole a, a through hole b and a through hole c. The through hole b is connected to the connecting pin. The through hole c of the three-hole connecting block fits into the through hole a of the spaced three-hole connecting blocks and is fixed with a short pin. An air pipe is provided at the upper end of the air nozzle. An air hole is provided at the bottom of the air passage connecting block. The air pipe is fixedly connected to the air hole and the air pipe is connected to the inside of the air hole.

[0007] In the above-mentioned variable-pitch manipulator structure of a warehouse robot, an arched cover is fixedly installed on the upper end of the front block, a gap structure is formed between the lower end of the arched cover and the upper end of the front block, and a second connecting hole is opened in the middle of the front block, through which the connecting pin passes.

[0008] In the variable-pitch manipulator structure of the above-mentioned warehouse robot, the two-hole connecting block is provided with through holes d and e, and the three-hole connecting block at the far end is connected to the two-hole connecting block by a short pin. The two-hole connecting blocks are arranged in a cross pattern and are connected to the side plate.

[0009] In the variable-pitch manipulator structure of the aforementioned warehouse robot, mounting holes are provided at the upper end of the frame.

[0010] In the variable-pitch manipulator structure of the aforementioned warehouse robot, pneumatic connectors are fixedly connected to the air circuit connection block and the front stop block side ends.

[0011] In the variable-pitch manipulator structure of the above-mentioned warehouse robot, a shock-absorbing seat is fixedly connected to the bottom of the connection between the three-hole connecting block and the adjacent three-hole connecting block, and to the bottom of the connection between the two-hole connecting block and the adjacent two-hole connecting block. The shock-absorbing seat is in close contact with the upper end of the air passage connecting block and the front stop block.

[0012] Compared with existing technologies, the variable-pitch manipulator structure of the warehouse robot provided by this utility model has the following advantages: 1. An air hole is opened at the bottom of the air circuit connecting block, and the air nozzle is fixed to the air hole through the air pipe and internally connected, realizing non-contact gripping by using the pneumatic adsorption principle. Compared with the contact gripping of traditional mechanical grippers, it avoids direct squeezing and friction on the surface of the item; 2. In the moving component, the three-hole connecting block is connected to the through hole of the spaced three-hole connecting block by short pins, the air circuit connecting block is sleeved on the slide rail through the first sliding hole, and the front stop block cooperates with the slide rail through the second sliding hole. The connecting pin passes through the connecting hole between the air circuit connecting block and the front stop block. When the cylinder is driven, the components are linked, so that the air circuit connecting block slides along the slide rail and the three-hole connecting blocks move relative to each other, thereby flexibly adjusting the air nozzle spacing. This structure can quickly and accurately adapt to the gripping needs of items of different sizes. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the gas connection block structure;

[0016] Figure 4 This is a schematic diagram of the explosion and connection structure of the three-hole connecting block and the two-hole connecting block.

[0017] In the diagram: 1. Frame; 11. Side plate; 12. Mounting hole; 2. Cylinder; 3. Moving component; 31. Slide rail; 32. Air connection block; 321. First sliding hole; 322. First connecting hole; 323. Air hole; 33. Front stop block; 331. Second sliding hole; 332. Second connecting hole; 34. Three-hole connecting block; 341. Through hole a; 342. Through hole b; 343. Through hole c; 35. Two-hole connecting block; 351. Through hole d; 352. Through hole e; 36. Connecting pin; 37. Short pin; 38. Arch cover; 381. Void structure; 39. Shock absorber seat; 4. Air nozzle; 41. Air pipe; 5. Pneumatic connector. Detailed Implementation

[0018] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0019] like Figures 1 to 4As shown, this embodiment includes a frame 1, a cylinder 2, a moving component 3, and an air nozzle 4. Side plates 11 are fixedly installed on both sides of the frame 1. The cylinder 2 is fixedly connected to the lower side of the frame 1. The moving component 3 includes a slide rail 31, an air passage connecting block 32, a front stop block 33, a three-hole connecting block 34, and a two-hole connecting block 35. There are two slide rails 31, and the slide rails 31 are connected to the inner side of the side plates 11. There are several air passage connecting blocks 32, and the air passage connecting blocks 32 have a first sliding hole 321 near both ends. The front stop block 33 has a second sliding hole 331 near both ends. The slide rail 31 passes through the first sliding hole 321 and the second sliding hole 331.

[0020] like Figures 1 to 4 As shown, the gas connection block 32 has a first connecting hole 322 extending vertically through the middle, and the front stop block 33 has a second connecting hole 332 extending vertically through the middle. The connecting pin 36 passes through the first connecting hole 322 and the second connecting hole 332 respectively. There are several three-hole connection blocks 34, and each three-hole connection block 34 has a through hole a341, a through hole b342, and a through hole c343. In adjacent three-hole connection blocks 34, the through hole a341 of the three-hole connection block 34 coincides with the through hole c343 of the adjacent three-hole connection block 34, and the through holes b342 of two three-hole connection blocks 34 coincide and are connected to the connecting pin 36. A short pin 37 is installed at the upper end of the through holes a341, b342, and c343 to connect adjacent three-hole connection blocks 34. A two-hole connection block 35 has a... There are through holes d351 and e352. Two two-hole connecting blocks 35 are provided on one side and three two-hole connecting blocks 35 are provided on the other side. The three-hole connecting block 34 at the end is connected to the two-hole connecting block 35. The through hole a341 coincides with the through hole d351. The through holes d351 and e352 of the adjacent two-hole connecting blocks 35 coincide. An arch cover 38 is fixedly installed on the upper end of the front stop block 33. A gap structure 381 is formed between the lower end of the arch cover 38 and the upper end of the front stop block 33. On the side with two two-hole connecting blocks 35, the end of the two-hole connecting block 35 is installed on the upper end of the front stop block 33 and is located inside the gap structure 381. On the side with three two-hole connecting blocks 35, the two-hole connecting block 35 at the end is placed horizontally and the through hole e352 is fixedly connected to the side plate 11.

[0021] like Figures 1 to 2 As shown, an air pipe 41 is provided at the upper end of the air nozzle 4, an air passage is provided inside the air passage connecting block 32, and an air hole 323 is provided at the bottom of the air passage connecting block 32. The air pipe 41 is fixedly connected to the air hole 323 and the air pipe 41 is connected to the air passage inside the air hole 323.

[0022] To elaborate further, such as Figures 1 to 2 As shown, each air passage connection block 32 and front stop block 33 is fixedly connected to a pneumatic connector 5 at its side end.

[0023] To elaborate further, such as Figures 1 to 4 As shown, a shock-absorbing seat 39 is fixedly connected to the bottom of the connection between the three-hole connecting block 34 and the through hole b342 of the adjacent three-hole connecting block 34, and to the bottom of the connection between the two-hole connecting block 35 and the adjacent two-hole connecting block 35. The shock-absorbing seat 39 is in close contact with the upper end of the air passage connecting block 32 and the front stop block 33. The shock-absorbing seat 39 plays a role in shock absorption and protection of the air passage connecting block 32 when it moves.

[0024] To elaborate further, such as Figures 1 to 2 As shown, the upper end of the frame 1 is provided with a mounting hole 12, and in this embodiment, it is fixedly connected to an external robotic arm through the mounting hole 12.

[0025] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0026] Although this document uses a variety of terms, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this invention; interpreting them as any additional limitation would contradict the spirit of this invention.

Claims

1. A variable-pitch manipulator structure for a warehouse robot, comprising a frame (1), a cylinder (2), a moving component (3), and a nozzle (4), wherein side plates (11) are fixedly installed on both sides of the frame (1), and the cylinder (2) is fixedly connected to the lower side of the frame (1), characterized in that: The moving component (3) includes a slide rail (31), an air passage connecting block (32), a front stop block (33), a three-hole connecting block (34), and a two-hole connecting block (35). The number of air passage connecting blocks (32) is several, and each air passage connecting block (32) has a first sliding hole (321) near both ends. The front stop block (33) has a second sliding hole (331) near both ends. The slide rail (31) is connected to the inner side of the side plate (11), and the slide rail (31) passes through the first sliding hole (321) and the second sliding hole (331). A first connecting hole (322) is formed in the middle of each air passage connecting block (32), and a connecting... The pin (36), the number of the three-hole connecting blocks (34) is several and the three-hole connecting blocks (34) are provided with through holes a (341), through holes b (342) and through holes c (343). The through holes b (342) are connected to the connecting pin (36). The through holes c (343) of the three-hole connecting blocks (34) are fitted with the through holes a (341) of the spaced three-hole connecting blocks (34) and short pins (37) are fixed through them. The upper end of the air nozzle (4) is provided with an air pipe (41). The bottom of the air passage connecting block (32) is provided with an air hole (323). The air pipe (41) is fixedly connected to the air hole (323) and the air pipe (41) and the air hole (323) are connected internally.

2. The variable-pitch manipulator structure for a warehouse robot according to claim 1, characterized in that: An arch cover (38) is fixedly installed on the upper end of the front stop (33). A gap structure (381) is formed between the lower end of the arch cover (38) and the upper end of the front stop (33). A second connecting hole (332) is opened in the middle of the front stop (33) and passes through the second connecting hole (332). The connecting pin (36) passes through the second connecting hole (332).

3. The variable-pitch manipulator structure for a warehouse robot according to claim 1, characterized in that: The two-hole connecting block (35) has through holes d (351) and e (352). The three-hole connecting block (34) at the far end is connected to the two-hole connecting block (35) by a short pin (37). The two-hole connecting blocks (35) are arranged in a cross pattern and are connected to the side plate (11).

4. The variable-pitch manipulator structure for a warehouse robot according to claim 1, characterized in that: The upper end of the frame (1) is provided with mounting holes (12).

5. The variable-pitch manipulator structure for a warehouse robot according to claim 1, characterized in that: The pneumatic connector (5) is fixedly connected to the side end of the air passage connection block (32) and the front stop block (33).

6. The variable-pitch manipulator structure for a warehouse robot according to claim 1, characterized in that: A shock-absorbing seat (39) is fixedly connected to the bottom of the connection between the three-hole connecting block (34) and the adjacent three-hole connecting block (34) and the bottom of the connection between the two-hole connecting block (35) and the adjacent two-hole connecting block (35). The shock-absorbing seat (39) is in close contact with the upper end of the air passage connecting block (32) and the front baffle (33).

Citation Information

Patent Citations

  • Warehousing and carrying robot

    CN219155451U