Grabbing structure capable of being rapidly replaced and grabbing device

Abstract

The utility model provides a grabbing structure and a grabbing device capable of being replaced quickly, which comprise a support and a grabbing assembly, the grabbing assembly is detachably connected with the support, one end of the support is communicated with an external vacuum part, and the other end of the support is communicated with the grabbing assembly. Through detachable connection, quick replacement of the grabbing assembly is achieved, meanwhile, vacuum connectivity is guaranteed, and therefore the problems that in the prior art, replacement is inconvenient, sealing performance is poor, flexibility is low and positioning is inaccurate are solved; the grabbing device has the advantages that the grabbing assembly can be conveniently and rapidly replaced, working efficiency is improved, sealing performance is guaranteed, flexibility is improved, and positioning precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment technical field, especially a kind of quick replacement's grabbing structure, grabbing device. BACKGROUND

[0002] In automated equipment, vacuum suction method is often used to grab various cylindrical objects. These objects can have different sizes, so different suction nozzle mounting blocks are needed to adapt to objects of different sizes. In actual operation, replacing suction nozzle mounting blocks is a common requirement. However, the existing replacement method has some problems.

[0003] First, the replacement process is often not convenient enough, and operators may need to spend a long time or use special tools to complete the replacement. This not only reduces work efficiency, but also may increase the workload of operators. Second, the sealing performance after replacement is a key issue. If the sealing is poor, it may cause the vacuum suction effect to decrease, affecting the stability and reliability of grabbing. This may cause serious problems for precision operations or high-speed production lines.

[0004] In addition, the existing grabbing structure may lack flexibility. When facing cylindrical objects of different sizes, multiple complete grabbing devices may need to be prepared, rather than just replacing the suction nozzle mounting block. This not only increases equipment costs, but also occupies more storage space.

[0005] Finally, the grabbing structure in the prior art may have the problem of inaccurate positioning. After replacing the suction nozzle mounting block, if accurate positioning between it and the support cannot be guaranteed, it may affect the accuracy and stability of grabbing. This is a serious defect for automated equipment that requires high-precision operation.

[0006] In view of the above problems, the prior art needs to be improved. UTILITY MODEL CONTENT

[0007] The utility model aims to provide a kind of quick replacement's grabbing structure, with the advantages of facilitating quick replacement of grabbing component, improving work efficiency, guaranteeing sealing performance, increasing flexibility and improving positioning accuracy.

[0008] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0009] The quick replacement grabbing structure according to the utility model embodiment comprises: a support, a grabbing component, the grabbing component is detachably connected with the support, one end of the support is communicated with an external vacuum component, and the other end of the support is communicated with the grabbing component.

[0010] The quick-changeable grabbing structure according to the embodiments of the present application can realize quick change of the grabbing assembly through detachable connection, meanwhile, vacuum communication is ensured, thereby solving the problems of inconvenience in change, poor sealing performance, low flexibility and inaccurate positioning in the prior art, and the quick-changeable grabbing structure has the advantages of facilitating quick change of the grabbing assembly, improving work efficiency, ensuring sealing performance, increasing flexibility and improving positioning accuracy.

[0011] In addition, the quick-changeable grabbing structure according to the embodiments of the present application can further have the following additional technical features:

[0012] In some embodiments of the present application, the grabbing assembly comprises a mounting seat, one end of the mounting seat extending along a first direction is provided with a guide groove, the guide groove extends along a second direction perpendicular to the first direction, one end of the support extending reversely along the first direction is provided with a guide part, and the guide part is arranged correspondingly to the guide groove.

[0013] In some embodiments of the present application, the grabbing assembly further comprises a fixing member, the fixing member is installed on a first end surface of the mounting seat extending along the first direction and close to the guide groove, the mounting seat is installed on the support, a second end surface of the support close to the fixing member is located in the same plane as the first end surface, and the fixing member is rotatably abutted on the second end surface.

[0014] In some embodiments of the present application, the second end surface is provided with a positioning member, the fixing member is provided with a positioning hole, the positioning member is arranged correspondingly to the positioning hole, and the positioning member is detachably installed in the positioning hole.

[0015] In some embodiments of the present application, further comprising a connecting pipeline, the connecting pipeline is installed in the support, one end of the connecting pipeline is communicated with the external vacuum member, the other end of the connecting pipeline extends out of the support to form a protruding part, the mounting seat is provided with a recessed part, and the recessed part is arranged correspondingly to the protruding part.

[0016] In some embodiments of the present application, the grabbing assembly further comprises a suction accessory, the suction accessory is arranged in the mounting seat, one end of the suction accessory is communicated with the connecting pipeline through the recessed part, and the other end of the suction accessory extends out of the mounting seat to suck and grab external parts.

[0017] In some embodiments of the present application, further comprising a sealing member, the sealing member is installed in the recessed part to seal the connection between the suction accessory and the connecting pipeline.

[0018] In some embodiments of the utility model, the mounting seat is formed with a positioning recess at one end away from the support, and the one end of the suction accessory is arranged in the positioning recess to grab the external part.

[0019] In some embodiments of the utility model, the mounting seat is formed with a clamping protrusion extending along the first direction, and the clamping protrusion abuts against a third end face of the support away from the second end face.

[0020] The utility model also provides a grabbing device, the grabbing device includes the above quick replaceable grabbing structure.

[0021] According to the grabbing device of the utility model embodiment, the quick replaceable grabbing structure is arranged to improve the working efficiency of the grabbing device, improve the flexibility of the grabbing device, and ensure the sealing performance of the grabbing device.

[0022] Additional aspects and advantages of the utility model will be given in part in the following description, part will become obvious from the following description, or be known by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The quick replaceable grabbing structure of the utility model embodiment is shown Figure One ;

[0024] Figure 2 The quick replaceable grabbing structure of the utility model embodiment is shown Figure Two ;

[0025] Figure 3 The quick replaceable grabbing structure of the utility model embodiment is shown Figure One ;

[0026] Figure 4 The quick replaceable grabbing structure of the utility model embodiment is shown Figure Two .

[0027] REFERENCE NUMERALS

[0028] 1, support, 2, grabbing assembly, 3, positioning piece, 4, connecting pipeline, 5, clamping protrusion, 6, suction accessory, 7, fixing piece, 8, mounting seat, 9, sealing piece, 10, external part, 11, guide portion, 12, guide groove, 13, recess portion, 14, protruding portion, 15, positioning recess. DETAILED DESCRIPTION

[0029] A quick replaceable grabbing structure and a grabbing device will be described in more detail below with reference to the drawings, in which preferred embodiments of the present application are shown, it should be understood that the present application described herein can be modified by those skilled in the art, and still achieve the advantageous effects of the present application. Therefore, the following description should be understood as extensive knowledge for those skilled in the art, and not as a limitation of the present application.

[0030] In the description of the present application, "one embodiment" or "some embodiments" means that the specific features, structures or characteristics described in connection with the embodiment are included in one or more embodiments of the present application. Therefore, the statements "in one embodiment", "in some embodiments", "in other some embodiments", "in further some embodiments" and the like appearing in the present application are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized.

[0031] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, in which the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0032] The quick replaceable grabbing structure according to the embodiments of the present application will be described below with reference to the drawings.

[0033] The quick replaceable grabbing structure according to the embodiments of the present application comprises: a support 1, a grabbing component 2, the grabbing component 2 is detachably connected with the support 1, one end of the support 1 is communicated with an external vacuum part, the other end of the support 1 is communicated with the grabbing component 2.

[0034] The detachable connection mode of the grabbing component 2 and the support 1 can adopt threaded connection, buckle connection or magnetic connection, etc. to realize quick replacement. The communication between the support 1 and the external vacuum part can be realized by a hose or a hard pipe, so as to ensure that the vacuum adsorption function is maintained after the grabbing component 2 is replaced. Further, the design of the grabbing component 2 can include a plurality of suction nozzle mounting blocks to adapt to cylindrical objects of different sizes. Specifically, the suction nozzle mounting block can be precisely positioned and fixed through the cooperation of the guide groove 12 and the guide part 11, so as to ensure the sealing between the grabbing component 2 and the support 1.

[0035] Therefore, this invention simplifies the replacement process and improves operational convenience through the detachable connection between the bracket 1 and the gripping component 2. Simultaneously, the connection between the bracket 1 and the external vacuum component ensures that the gripping component 2 maintains its vacuum adsorption function after replacement, thereby enabling the gripping of objects of different sizes. Compared with existing technologies, this invention significantly improves the efficiency of replacing the gripping component 2 while ensuring sealing, solving the technical problem of convenient operation and guaranteed sealing when replacing the suction nozzle mounting block to handle cylindrical objects of different sizes in automated equipment.

[0036] In some embodiments of this utility model, the gripping component 2 includes a mounting base 8, the mounting base 8 being aligned along a first direction (e.g., Figure 1 A guide groove 12 is provided at one end extending in the X direction (as shown), and the guide groove 12 extends along a second direction perpendicular to the first direction (e.g., ...). Figure 1 Extending in the Z direction (as shown), the bracket 1 has a guide portion 11 at one end extending in the opposite direction of the first direction, and the guide portion 11 is provided corresponding to the guide groove 12.

[0037] Specifically, the guide groove 12 on the mounting base 8 and the guide portion 11 on the bracket 1 cooperate with each other to achieve precise guidance and positioning between the gripping component 2 and the bracket 1. The design of the guide groove 12 and the guide portion 11 ensures the accuracy and stability of the gripping component 2 during replacement, thereby solving the guidance and positioning problem between the gripping component 2 and the bracket 1. As a preferred embodiment, the guide groove 12 can be designed as a V-shaped groove, and the guide portion 11 can be designed as a V-shaped protrusion that matches the V-shaped groove to enhance the accuracy of guidance and positioning. In addition, the guide groove 12 and the guide portion 11 can also adopt other shapes, such as U-shaped or circular, as long as they can achieve effective guidance and positioning functions.

[0038] Therefore, this invention, through the mutual cooperation of the guide groove 12 on the mounting base 8 and the guide part 11 on the bracket 1, not only solves the guiding and positioning problem between the gripping component 2 and the bracket 1, but also improves the convenience and stability of replacing the gripping component 2. Compared with the prior art, this invention significantly improves the reliability and service life of the equipment while ensuring ease of operation.

[0039] In some embodiments of this utility model, the gripping component 2 further includes a fixing member 7, which is mounted on the first end face of the mounting base 8 extending along a first direction and close to the guide groove 12. The mounting base 8 is mounted on the bracket 1, and the second end face of the bracket 1 close to the fixing member 7 is located on the same plane as the first end face. The fixing member 7 is rotatably abutted against the second end face.

[0040] Specifically, the fixing member 7 is arranged to enable the grabbing assembly 2 to be in contact with the second end face of the support 1 when mounted on the support 1, to ensure that the two are in the same plane, thereby ensuring stable installation of the grabbing assembly 2. The rotatable design of the fixing member 7 enables flexible rotation during replacement or adjustment of the grabbing assembly 2, facilitating replacement by the operator while maintaining close connection with the support 1, thereby ensuring stability and reliability of the grabbing assembly 2 during use.

[0041] As a preferred embodiment, the fixing member 7 can be mounted on the mounting seat 8 by screw connection or buckle connection, to ensure stability. Further, rotation of the fixing member 7 can be achieved by bearings or sliding friction, to ensure flexibility. In addition, the fixing member 7 can be made of high-strength and wear-resistant metal material, to improve service life and reliability.

[0042] Thus, the fixing member 7 is arranged and designed to be rotatable, to ensure stable connection between the fixing member 7 and the support 1 while ensuring that the fixing member 7 and the end face of the support 1 are in the same plane during replacement of the grabbing assembly 2. Compared with the prior art, the utility model not only improves installation stability and operation convenience of the grabbing assembly 2, but also enhances reliability and durability of the grabbing assembly 2 during use.

[0043] In some embodiments of the utility model, the second end face is provided with a positioning member 3, the fixing member 7 is provided with a positioning hole (not shown in the figure), the positioning member 3 is arranged corresponding to the positioning hole, and the positioning member 3 is detachably mounted in the positioning hole.

[0044] Specifically, the positioning hole is arranged to enable the position of the fixing member 7 to be accurately controlled during replacement, and detachable mounting of the positioning member 3 ensures that the fixing member 7 can be conveniently mounted and detached. As a preferred embodiment, the positioning hole can be designed as a circle or a square to adapt to different shapes of the positioning member 3. Further, the positioning member 3 can be detachably mounted with the positioning hole by screw connection, buckle connection or magnetic attraction, to ensure positioning accuracy while improving replacement convenience.

[0045] Therefore, the positioning hole on the second end face and the positioning piece 3 on the fixing piece 7 jointly ensure the accurate position and stability of the fixing piece 7 during replacement. The positioning piece 3 is detachably installed in the positioning hole, so that the fixing piece 7 can be conveniently installed and detached, thereby quickly and accurately positioning and fixing during replacement of the grabbing assembly 2, and the replacement efficiency and operation convenience are improved.

[0046] Compared with the prior art, the positioning hole and the positioning piece 3 are arranged, which not only solves the technical problem of ensuring positioning and fixing during replacement of the grabbing assembly 2, but also significantly improves the efficiency and convenience of replacement operation. Specifically, the inaccurate positioning or complex operation problem that may occur in the traditional fixing mode is avoided through the detachable positioning piece 3 design, so that the demand for quick replacement and accurate fixing of automatic equipment can be better met in actual application.

[0047] In some embodiments of the utility model, connecting pipeline 4 is further included, connecting pipeline 4 is installed in support 1, one end of connecting pipeline communicates with external vacuum piece, the other end of connecting pipeline extends out of support 1 and forms convex part 14, recessed part 13 is arranged on mounting seat 8, recessed part 13 is correspondingly arranged with convex part 14.

[0048] Connecting pipeline 4 is installed in support 1, one end of connecting pipeline communicates with external vacuum piece, the other end of connecting pipeline extends out of support 1 and forms convex part 14, this design makes the connection of connecting pipeline 4 and external vacuum piece more stable and direct. Recessed part 13 on mounting seat 8 is correspondingly arranged with convex part 14, this structural design makes the connection of connecting pipeline 4 and mounting seat 8 more closely, thereby improving the sealing property and stability of the whole grabbing structure. Through this design, different sizes of suction nozzle mounting blocks can be replaced more conveniently, while the sealing performance after replacement is ensured, and the technical problems of suction nozzle mounting block replacement convenience and sealing property when taking different sizes of cylindrical objects are solved.

[0049] Further, connecting pipeline 4 can be realized in various ways, for example, connecting pipeline 4 can be made of flexible material to facilitate adjustment and connection between different sizes of suction nozzle mounting blocks. In addition, connecting pipeline 4 can also be provided with multiple connection points to adapt to different sizes of suction nozzle mounting blocks, thereby improving the flexibility and sealing property of replacement.

[0050] Specifically, the recessed part 13 on the mounting seat 8 can be designed to be adjustable to adapt to different sizes of the convex part 14, thereby realizing a more closely connected. In addition, the sealing piece 9 can also be arranged in the recessed part 13 to further improve the sealing performance of the connection.

[0051] Therefore, the utility model discloses a design through connecting pipeline 4, realize the stable connection of connecting pipeline 4 with external vacuum piece, and through the corresponding setting of recess portion 13 and protruding portion 14 on mounting seat 8, improve the compactness and the leakproofness of connection. This design not only facilitates the replacement of suction nozzle mounting block, but also guarantees the sealing performance after replacement, solves the technical problem of suction nozzle mounting block replacement convenience and leakproofness when taking different size cylindrical objects. Compared with the prior art, the design of the utility model is more flexible and reliable, and can effectively improve the performance and use efficiency of the grabbing structure.

[0052] In some embodiments of the utility model, the grabbing assembly 2 further includes a suction accessory 6, which is provided in the mounting seat 8, one end of the suction accessory 6 is communicated with the connecting pipeline 4 through the recess portion 13, and the other end of the suction accessory 6 extends out of the mounting seat 8 to adsorb and grab the external part 10.

[0053] Specifically, the design of the suction accessory 6 enables the connection and disconnection of the suction accessory 6 to be realized through simple operation when replacing suction nozzle mounting blocks of different sizes, thereby facilitating the replacement of operating personnel. One end of the suction accessory 6 is communicated with the connecting pipeline 4 through the recess portion 13, ensuring the stability and leakproofness of the connection. Further, the other end of the suction accessory 6 extends out of the mounting seat 8 for adsorbing the external part 10, which not only improves the convenience of operation, but also ensures good sealing effect during replacement.

[0054] As a preferred embodiment, the suction accessory 6 can be made of elastic material to adapt to suction nozzle mounting blocks of different sizes while ensuring the compactness of the connection. In addition, the connection part of the suction accessory 6 can be designed as a detachable structure for easy replacement and maintenance. Therefore, the design of the suction accessory 6 not only solves the problem of more convenient replacement of suction nozzle mounting blocks when replacing cylindrical objects of different sizes, but also ensures good sealing performance.

[0055] That is, the utility model discloses the design of the suction accessory 6 realizes convenient operation and good sealing when replacing suction nozzle mounting blocks of different sizes. Compared with the prior art, the utility model has significant advantages in operation convenience and sealing performance, and can effectively solve the actual technical problems.

[0056] In some embodiments of the utility model, a sealing member 9 is further included, which is installed in the recess portion 13 to seal the connection between the suction accessory 6 and the connecting pipeline 4.

[0057] Specifically, the seal 9 can be implemented in various ways, for example, the seal 9 can be made of an elastic material such as rubber or silicone to ensure effective sealing at the connection between the suction accessory 6 and the connecting pipeline 4. In addition, the seal 9 can also be designed as a detachable structure to facilitate maintenance and replacement. As a preferred embodiment, the seal 9 can be embedded in the groove portion 13 and fixed by compression or threaded connection, etc. to ensure that the sealing between the suction accessory 6 and the connecting pipeline 4 is not affected when the suction nozzle mounting block of different sizes is replaced.

[0058] Therefore, through the installation of the seal 9, the sealing between the suction accessory 6 and the connecting pipeline 4 is ensured, thereby solving the sealing problem that may occur when replacing the suction nozzle mounting block of different sizes. This design ensures that the connection between the suction accessory 6 and the connecting pipeline 4 can maintain a good sealing state after replacing the suction nozzle mounting block, ensuring the stability and reliability of the vacuum suction effect. Compared with the prior art, the utility model not only ensures the sealing, but also improves the convenience of replacing the suction nozzle mounting block, and is suitable for automated equipment that needs to frequently replace suction nozzles of different sizes.

[0059] In some embodiments of the utility model, a positioning recess 15 is formed at one end of the mounting seat 8 away from the support 1, and one end of the suction accessory 6 is arranged in the positioning recess 15 to grab the external part 10.

[0060] Specifically, the formation of the positioning recess 15 ensures that the suction accessory 6 can be accurately positioned on the mounting seat 8, thereby maintaining stability and accuracy when grabbing the external part 10. One end of the suction accessory 6 is arranged in the positioning recess 15, which enables the suction accessory 6 to effectively grab the external part 10 while ensuring stability and reliability during the grabbing process. As a preferred embodiment, the positioning recess 15 can be formed by machining or mold forming, etc. to ensure its precision and durability. In addition, the suction accessory 6 can be fixed in the positioning recess 15 by threaded connection, buckle connection or magnetic connection, etc. to adapt to different application scenarios and needs.

[0061] Therefore, through this design, the technical problems of positioning and part grabbing of the suction accessory 6 when grabbing cylindrical objects of different sizes are solved. Compared with the prior art, the utility model not only improves the accuracy and stability of grabbing, but also simplifies the operation of replacing the suction accessory 6, thereby improving the work efficiency. Further, the technical scheme not only ensures the grabbing effect, but also considers the convenience of operation and the reliability of the structure, and is suitable for the grabbing needs of various automated equipment.

[0062] In some embodiments of the utility model, the mounting seat 8 is formed with a clamping protrusion 5 extending along a first direction, and the clamping protrusion 5 abuts against a third end surface of the support 1 away from a second end surface.

[0063] Specifically, the design of the clamping protrusion 5 ensures the stable positioning of the mounting seat 8 on the support 1. The clamping protrusion 5 extends along the first direction and contacts the third end surface of the support 1, which fixes the position of the mounting seat 8 on the support 1, thereby ensuring the stability of the mounting block during the operation of the suction nozzle mounting block. Further, this design also ensures the tight connection between the mounting block and the support 1, thereby ensuring the sealing performance.

[0064] As a preferred embodiment, the clamping protrusion 5 can be formed on the mounting seat 8 by machining, and its shape can be cylindrical, square or other suitable shapes to ensure good contact with the third end surface of the support 1. In addition, the material of the clamping protrusion 5 can be selected as high-strength and wear-resistant metal material to enhance its durability and stability.

[0065] Therefore, through the contact between the clamping protrusion 5 and the third end surface of the support 1, the positioning of the mounting seat 8 on the support 1 is more stable, thereby ensuring the stability and sealing performance of the suction nozzle mounting block when grabbing cylindrical objects of different sizes. This design not only improves the overall working stability of the grabbing device, but also ensures the operation convenience and sealing performance when replacing suction nozzle mounting blocks of different sizes.

[0066] That is, the utility model solves the technical problems of stability and sealing performance of the suction nozzle mounting block when grabbing cylindrical objects of different sizes by providing the clamping protrusion 5 on the mounting seat 8 and contacting the third end surface of the support 1. This design shows good stability and sealing performance in practical application, and has higher practicality and reliability compared with the prior art.

[0067] The utility model also provides a grabbing device, which comprises the above-mentioned quickly replaceable grabbing structure.

[0068] Compared with the prior art, the utility model has at least the following beneficial effects:

[0069] By providing the quickly replaceable grabbing structure on the grabbing device, the working efficiency of the grabbing device is improved, and the grabbing device can quickly replace the grabbing assembly 2 when grabbing external parts 10 of different sizes, while ensuring the sealing performance of the grabbing device.

[0070] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all changes and modifications falling within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. A quick-change gripping structure, characterized in that, include: A bracket and a gripping assembly are detachably connected to the bracket. One end of the bracket is connected to an external vacuum component, and the other end of the bracket is connected to the gripping assembly. The gripping assembly includes a mounting base. One end of the mounting base extending along a first direction is provided with a guide groove. The guide groove extends along a second direction perpendicular to the first direction. One end of the bracket extending in the opposite direction to the first direction is provided with a guide portion, which is provided corresponding to the guide groove.

2. The quick-change gripping structure according to claim 1, characterized in that, The gripping assembly further includes a fixing member, which is mounted on a first end face of the mounting base extending along a first direction and close to the guide groove. The mounting base is mounted on the bracket, and the second end face of the bracket close to the fixing member is located on the same plane as the first end face. The fixing member is rotatably abutted against the second end face.

3. The quick-change gripping structure according to claim 2, characterized in that, The second end face is provided with a positioning element, the fixing element is provided with a positioning hole, the positioning element is provided corresponding to the positioning hole, and the positioning element is detachably installed in the positioning hole.

4. The quick-change gripping structure according to claim 1, characterized in that, It also includes a connecting pipe, which is installed inside the bracket. One end of the connecting pipe is connected to the external vacuum component, and the other end of the connecting pipe extends out of the bracket to form a protrusion. The mounting base is provided with a groove, which is correspondingly provided with the protrusion.

5. The quick-change gripping structure according to claim 4, characterized in that, The gripping component also includes an adsorption element, which is inserted into the mounting base. One end of the adsorption element is connected to the connecting pipe through the groove, and the other end of the adsorption element extends out of the mounting base to adsorb and grip external parts.

6. The quick-change gripping structure according to claim 5, characterized in that, It also includes a sealing element, which is installed in the groove to seal the connection between the adsorption element and the connecting pipe.

7. The quick-change gripping structure according to claim 5, characterized in that, The mounting base has a positioning recess at one end away from the bracket, and one end of the adsorption member is located in the positioning recess to grip the external part.

8. The quick-change gripping structure according to claim 1, characterized in that, The mounting base extends along a first direction and forms a locking protrusion, which abuts against the third end face of the bracket away from the second end face.

9. A gripping device, characterized in that, The gripping device includes the quick-change gripping structure as described in any one of claims 1 to 8.

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