Vacuum generator for gripper of logistics robot

Abstract

The utility model relates to the technical field of grabbing equipment, in particular to a logistics robot gripper vacuum generator which comprises a generator body and a fixing cylinder used for fixing the generator body, a protection assembly used for fixing the generator body is arranged on the inner wall of the fixing cylinder, and the protection assembly comprises a bottom plate connected with the inner wall of the fixing cylinder. The multiple bottom plates are evenly arranged around the inner wall of the fixing cylinder at intervals, springs used for buffering are arranged between the inner wall of the fixing cylinder and the bottom plates, the section of each bottom plate is of an arc-shaped structure suitable for the outer wall of the generator body, and a detachable protection plate is arranged on the face, away from the inner wall of the fixing cylinder, of each bottom plate. The service life of the vacuum generator in the state that the logistics robot collides frequently can be prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of grabbing equipment, in particular to a vacuum generator for a logistics robot grabber. BACKGROUND

[0002] In the modern logistics industry, logistics robots play an increasingly important role, and the performance of their grabbers directly affects the efficiency and accuracy of cargo handling. As a key component of the grabber for reliable grabbing, the vacuum generator is responsible for providing negative pressure suction force to securely grab various items.

[0003] The current common vacuum generator has many deficiencies in installation and fixation. The traditional fixation method often simply rigidly connects the generator body to the fixed structure. During the frequent and high-intensity operation of the logistics robot, the vacuum generator is easily damaged by external force impacts such as vibration and collision. On the one hand, rigid connection cannot effectively buffer external impact forces, and the internal precision structure of the generator may displace or deform, thereby affecting its vacuum generation performance, reducing the stability of grabbing, and even leading to grabbing failure, delaying the logistics operation process. On the other hand, when the generator needs to be repaired or replaced, due to the lack of convenience in its installation structure, a lot of time is spent on disassembling complex connection components, increasing equipment downtime and reducing logistics operation efficiency.

[0004] In addition, as the logistics scene becomes increasingly complex and diverse, the protection requirements for the vacuum generator are also becoming higher and higher. The existing protection measures are mostly not comprehensive enough, and it is difficult to simultaneously meet the protection needs from multiple directions, which cannot provide reliable protection for the vacuum generator in harsh logistics environments, further restricting the overall performance improvement of the logistics robot grabber.

[0005] Chinese Patent No. 2023204970482 proposes a vacuum grabber for a Delta parallel robot, which includes a grabber body and a vacuum generator. A plurality of cavities are provided in the grabber body, and each cavity is provided with a vacuum generator. Each vacuum generator is provided with a gas supply port. The utility model designs multiple cavities, each cavity corresponding to a vacuum generator, which can selectively start the vacuum generator according to the shape and size of the product, and can flexibly adapt to the size of the product, so that the grabber can adjust the vacuum of the suction surface according to the shape and size of the product, effectively ensuring the reliable suction of the product.

[0006] For the related technology in the above, the inventors found that the above patent does not have protection for the vacuum generator. UTILITY MODEL CONTENT

[0007] In order to increase the service life of the vacuum generator under the condition of frequent collision of the logistics robot, the present application provides a vacuum generator for a logistics robot grabber.

[0008] The application provides a logistics robot gripper vacuum generator, which adopts the following technical scheme: a generator body, a fixing cylinder for fixing the generator body, a protection assembly provided on the inner wall of the fixing cylinder and used for fixing the generator body, the protection assembly comprising a plurality of bottom plates connected with the inner wall of the fixing cylinder and uniformly arranged at intervals around the inner wall of the fixing cylinder, springs provided between the inner wall of the fixing cylinder and the bottom plates and used for buffering, the cross section of the bottom plate being in an arc structure suitable for the outer wall of the generator body, and a detachable guard plate provided on the side of the bottom plate away from the inner wall of the fixing cylinder.

[0009] Optionally, an elastic band is arranged between adjacent bottom plates, and a clamp for fixing the elastic band is arranged on the edge of the bottom plate, and a plurality of clamps are uniformly arranged at intervals along the length direction of the bottom plate.

[0010] Optionally, a guard plate is arranged on each bottom plate, the guard plates are sequentially arranged in a head-tail mode, the cross section of the guard plate is in an arc shape, an elastic band for connecting the guard plate on the adjacent bottom plate is arranged on the guard plate located on the two edges of the bottom plate, when a plurality of guard plates are sequentially arranged in the width direction of the bottom plate, the guard plates will form a hollow annular structure suitable for the outer wall of the generator body, the side of the guard plate close to the bottom plate is provided with a convex strip in an integral structure, the cross section of the convex strip is in a "convex" shape, and a sliding groove is arranged on the bottom plate and used in cooperation with the convex strip.

[0011] Optionally, elastic protrusions are arranged on the two side edges of the convex strip, and a fixing hole in communication with the sliding groove is arranged on the bottom plate, and a plurality of fixing holes are uniformly arranged at intervals along the length direction of the sliding groove.

[0012] Optionally, a fixing seat in an integral structure with the inner wall of the fixing cylinder is arranged on the inner wall of the fixing cylinder, the inner diameter of the fixing seat is the same as the outer diameter of the spring, a clamping seat for clamping the spring is arranged on the side of the bottom plate close to the inner wall of the fixing cylinder, the clamping seat is in an integral structure with the bottom plate, the spring is located at the center line position of the bottom plate, and a plurality of springs are uniformly arranged at intervals along the length direction of the bottom plate.

[0013] In summary, the application has the following beneficial technical effects:

[0014] 1. The protection assembly with springs is arranged on the inner wall of the fixing cylinder, the springs are uniformly distributed between the bottom plate and the inner wall of the fixing cylinder, when the logistics robot works and generates vibration or encounters collision, the springs can effectively absorb the impact force, so that the impact force is not directly transmitted to the generator body, a plurality of arc-shaped bottom plates uniformly arranged at intervals are attached to the outer wall of the generator body, the generator body is provided with multi-point support, the stable installation position of the generator can be ensured under complex stress conditions, and performance fluctuation caused by displacement is reduced.

[0015] 2. The guard plate and the bottom plate cooperate to form protection for the generator body. The elastic belt between adjacent bottom plates provides cushioning when the generator body hits the edge of the bottom plate, reducing damage to the edge of the bottom plate and the edge guard plate.

[0016] 3. The guard plate is detachable, and the bottom plate is elastically connected to the fixed cylinder through the spring. When the generator body needs to be repaired, maintained or replaced, the operator can easily detach the guard plate and remove the protection assembly from the generator, without the need for complex tools to disassemble a large number of rigid connection components, thereby improving the overall operation efficiency of the logistics robot. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a structural diagram of a vacuum generator of a logistics robot gripper according to the present application;

[0018] Fig. 2 is an enlarged view of position A in the structural diagram of the vacuum generator of the logistics robot gripper according to the present application;

[0019] Fig. 3 is a sectional view of the vacuum generator of the logistics robot gripper according to the present application.

[0020] Reference signs: 1 fixed cylinder, 2 bottom plate, 3 spring, 4 guard plate, 5 elastic belt, 6 convex strip, 7 sliding groove, 9 fixed seat, 10 clamping seat, 11 elastic protrusion, 12 fixed hole. DETAILED DESCRIPTION

[0021] The following will be described in detail in combination with the accompanying drawings. Figs. 1-3 The present application will be further described in detail.

[0022] The present application discloses a vacuum generator of a logistics robot gripper. As shown in the drawings, Figs. 1-3As shown, including the generator body, for fixing the generator body fixed cylinder 1, fixed cylinder 1 is hollow cylindrical structure. Fixed cylinder 1 inner wall is provided with a protective component for fixing the generator body, the protective component includes the bottom plate 2 connected with the fixed cylinder 1 inner wall, the bottom plate 2 has a plurality of and uniformly arranged around the fixed cylinder 1 inner wall. Fixed cylinder 1 inner wall and bottom plate 2 between the spring 3 for buffering is provided, the fixed cylinder 1 inner wall is provided with the fixed seat 9 of integral structure, the fixed seat 9 has a plurality of and is in the form of circular ring structure, the fixed seat 9 inner diameter is same with the spring 3 outer diameter. The bottom plate 2 is close to the fixed cylinder 1 inner wall one side is provided with the clamping seat 10 for clamping spring 3, the clamping seat 10 is in the form of circular ring structure, the clamping seat 10 and the bottom plate 2 are integral structure. Spring 3 is located in the bottom plate 2 midline position, spring 3 has a plurality of and is uniformly arranged along the length direction of the bottom plate 2. The cross section of the bottom plate 2 is arc-shaped structure suitable for the outer wall of the generator body, and the bottom plate 2 is away from the inner wall of the fixed cylinder 1 one side is provided with detachable guard plate 4. Each bottom plate 2 is provided with guard plate 4 arranged in sequence from head to tail along the width direction of the bottom plate 2, and the cross section of the guard plate 4 is arc-shaped structure suitable for the bottom plate 2. When a plurality of guard plates 4 are arranged in sequence along the width direction of the bottom plate 2, the guard plate 4 will surround the hollow circular ring structure suitable for the outer wall of the generator body. The side of the guard plate 4 close to the bottom plate 2 is provided with the convex strip 6 of integral structure with the guard plate 4, the length of the convex strip 6 is same with the length of the arc plate, the cross section of the convex strip 6 is in the form of "convex" character, and the bottom plate 2 is provided with the sliding groove 7 used in cooperation with the convex strip 6.

[0023] In an embodiment, according to the attached Fig. 2 As shown, the two sides of the convex strip 6 are glued with elastic protrusions 11, and the elastic protrusions 11 are in the form of hemispherical structure. The bottom plate 2 is provided with a fixed hole 12 communicated with the sliding groove 7, and the fixed hole 12 has a plurality of and is uniformly arranged along the length direction of the sliding groove 7. When the guard plate 4 moves along the sliding groove 7 on the bottom plate 2, the position is fixed by relying on the cooperation of the elastic protrusions 11 and the fixed hole 12.

[0024] In an embodiment, according to the attached Fig. 1 As shown, the adjacent bottom plate 2 is provided with elastic belt 5, and the edge of the bottom plate 2 is clamped with the clip for fixing the elastic belt 5. The clip has a plurality of and is uniformly arranged along the length direction of the bottom plate 2. The guard plate 4 on the two edges of the bottom plate 2 is provided with the elastic belt 5 connected to the guard plate 4 on the adjacent bottom plate 2. The side of the guard plate 4 is clamped with the clip for fixing the elastic belt 5, and the clip has a plurality of and is uniformly arranged along the length direction of the edge of the guard plate 4.

[0025] The implementation principle of the vacuum generator of the logistics robot gripper is as follows: one end of the spring is sleeved into the fixing seat on the inner wall of the fixing cylinder, the bottom plate with the clamping seat is aligned with the other end of the spring, the clamping seat is firmly clamped with the spring, the guard plates are sequentially installed along the sliding groove direction on each bottom plate, the protrusions at the bottom of the guard plates are slowly inserted into the sliding grooves on the bottom plates until the protrusions are completely embedded into the sliding grooves, and the step is repeated until the guard plates on each bottom plate are sequentially arranged to form a hollow annular structure; the elastic band is taken to connect the edges of adjacent bottom plates, and the generator body is placed into the protection space surrounded by the plurality of bottom plates and the guard plates.

[0026] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A logistics robot gripper vacuum generator comprising a generator body, a fixing cylinder (1) for fixing the generator body, characterized in that, The inner wall of the fixed cylinder (1) is provided with a protection assembly for fixing the generator body, the protection assembly comprises a bottom plate (2) connected with the inner wall of the fixed cylinder (1), the bottom plate (2) is provided uniformly around the inner wall of the fixed cylinder (1), a spring (3) for buffering is arranged between the inner wall of the fixed cylinder (1) and the bottom plate (2), the cross section of the bottom plate (2) is arc-shaped structure suitable for the outer wall of the generator body, and the side of the bottom plate (2) away from the inner wall of the fixed cylinder (1) is provided with a detachable guard plate (4).

2. The vacuum generator for a robotic gripper of claim 1, wherein, Elastic bands (5) are arranged between adjacent bottom plates (2), and clamps for fixing the elastic bands (5) are arranged on the edges of the bottom plates (2), the clamps are arranged uniformly along the length direction of the bottom plates (2).

3. The vacuum generator for a robotic gripper of claim 1, wherein, The bottom plates (2) are provided with guard plates (4) arranged in sequence, the cross section of the guard plate (4) is arc-shaped, the guard plates (4) on the two edges of the bottom plate (2) are provided with elastic bands (5) connected to the guard plates (4) on the adjacent bottom plates (2), when a plurality of guard plates (4) are arranged in sequence along the width direction of the bottom plate (2), the guard plates (4) will form a hollow annular structure suitable for the outer wall of the generator body, the side of the guard plate (4) close to the bottom plate (2) is provided with a convex strip (6) in one-piece structure, the cross section of the convex strip (6) is "convex" type, and the bottom plate (2) is provided with a sliding groove (7) matched with the convex strip (6).

4. A vacuum generator for a logistics robot gripper according to claim 3, characterized in that, The two sides of the convex strip (6) are provided with elastic protrusions (11), the bottom plate (2) is provided with a fixing hole (12) communicated with the sliding groove (7), the fixing hole (12) is provided uniformly along the length direction of the sliding groove (7).

5. A vacuum generator for a logistics robot gripper according to claim 1, characterized in that, The inner wall of the fixed cylinder (1) is provided with a fixing seat (9) in one-piece structure, the inner diameter of the fixing seat (9) is the same as the outer diameter of the spring (3), the side of the bottom plate (2) close to the inner wall of the fixed cylinder (1) is provided with a clamping seat (10) for clamping the spring (3), the clamping seat (10) is in one-piece structure with the bottom plate (2), the spring (3) is located at the center line position of the bottom plate (2), and the spring (3) is arranged uniformly along the length direction of the bottom plate (2).

Images