Jig

By designing a fixture with multiple limiting components, the problem of position deviation and separation difficulties in the existing fixtures when carrying and transporting products is solved, and a more efficient and stable product packaging box bearing and separation is achieved.

CN222768168UActive Publication Date: 2025-04-18BOZHON PRECISION IND TECH CO LTD
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Patent Information

Application Number
CN202420604393.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-27
Publication Date
2025-04-18
Estimated Expiration
2034-03-27

AI Technical Summary

Technical Problem

When carrying and transporting product packaging, existing fixtures are prone to position deviation and separation difficulties, especially when product packaging boxes are divided into upper cover and lower cover.

Method used

A fixture is designed, including at least two limiting components, respectively, for fixing the upper and lower covers of the product packaging box. Each limiting assembly consists of an unlocking member, an elastic member, abutment member and a fixing member. Through the cooperation of these components, stable fixation and unlocking of the OEM components can be achieved.

Benefits of technology

It improves the stability and efficiency of the handle for OEM components, ensures that the upper and lower covers of the product packaging box can be correctly limited and separated, and facilitates the implementation of subsequent processes.

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Abstract

The jig comprises a bottom plate, a first limiting assembly and a second limiting assembly, the first limiting assembly comprises a first unlocking piece, a first elastic piece, a first abutting piece and a first fixing piece, the first unlocking piece is connected to the bottom plate in a sliding mode in the first direction, one end of the first elastic piece is connected with the bottom plate, and the other end of the first elastic piece is connected with the first abutting piece. The other end of the first elastic piece is connected with the first abutting piece and the first unlocking piece. The first elastic piece is used for driving the first abutting piece to be away from the first fixing piece and fixing the first product in the first direction. The second limiting assembly is provided with a second unlocking piece, a second elastic piece, a second abutting piece and a second fixing piece. The second unlocking piece is slidably connected to the bottom plate in the first direction, the other end of the second elastic piece is connected with the bottom plate, the other end of the second elastic piece is connected with the second unlocking piece, the second abutting piece is fixedly connected with the second unlocking piece, and the second elastic piece is used for driving the second abutting piece to be close to the second fixing piece. And the second product is fixed in the first direction.
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Description

Technical Field

[0001] The utility model relates to the technical field of clamping equipment, in particular to a fixture. Background Art

[0002] With the continuous development of science and technology, in the process of product production and packaging, it is often necessary to add a lot of information to the product packaging box, such as the product's own specifications, production batch number, production line and other related information. With the continuous advancement of mechanical automation, the process of adding this information can often be achieved through automatic assembly line inkjet printing, but there are some problems with existing jigs. For example, existing jigs often carry products and product packaging separately, and product packaging is sometimes divided into several parts. For example, product packaging boxes are often divided into upper covers and lower covers, so it is easy to make mistakes when carrying them separately. At the same time, the existing jigs are not fixed in position when carrying and transporting products or product packaging, and there are often position deviations, or it is difficult to separate them from the jig when entering the next process. Therefore, there is an urgent need for a jig that can solve the above problems. Utility Model Content

[0003] The technical problem to be solved by the embodiments of the utility model is to provide a jig that can carry multiple processing components and improve the stability of the jig in carrying the processing components.

[0004] In order to solve the above technical problems, the utility model provides a fixture, which includes: a base plate, a first limiting assembly for fixing a first product, the first limiting assembly is provided with a first unlocking member, a first elastic member, a first abutting member and a first fixing member, the first unlocking member is slidably connected to the base plate along a first direction, one end of the first elastic member is connected to the base plate, and the other end of the first elastic member is connected to the first abutting member and the first unlocking member; the first elastic member is used to drive the first abutting member away from the first fixing member to fix the first product along the first direction; a second limiting assembly is used to fix the second product, the second limiting assembly is provided with a second unlocking member, a second elastic member, a second abutting member and a second fixing member; the second unlocking member is slidably connected to the base plate along the first direction, the other end of the second elastic member is connected to the base plate, the other end of the second elastic member is connected to the second unlocking member, the second abutting member is fixedly connected to the second unlocking member, and the second elastic member is used to drive the second abutting member close to the second fixing member to fix the second product along the first direction.

[0005] In a feasible implementation, the first limiting assembly is provided with two first abutment members, and the first unlocking member includes a first push block and a first connecting member; the two first abutment members are arranged in pairs along a second direction, and the second direction is perpendicular to the first direction along a horizontal direction, the two first abutment members are fixedly connected to the first connecting member, the first push block is fixedly connected to the first connecting member, and the telescopic end of the first elastic member is connected to the first connecting member.

[0006] In a feasible implementation, the first limiting assembly is provided with a first sliding assembly, the first sliding assembly includes a first sliding rail and a first slider connected for sliding along the first direction, the first sliding rail is fixedly connected to the base plate, and the first connecting member is fixedly connected to the first slider.

[0007] In a feasible implementation, the first limiting assembly is provided with two first sliding assemblies, the two first sliding assemblies are arranged in pairs along the second direction, and the two sliding blocks are respectively fixed to two ends of the first connecting member along the second direction.

[0008] In a feasible implementation, the first limiting assembly also includes a third fixing member and a first guide rod, the third fixing member is fixedly connected to the base plate, the third fixing member defines a first through hole, the guide rod passes through the first through hole along the first direction, the first elastic member is sleeved on the first guide rod, one end of the first guide rod is connected to the first connecting member, and the other end is fixedly connected to the third fixing member.

[0009] In a feasible implementation, the second limiting assembly is provided with a fourth fixing member, the fourth fixing member is fixedly connected to the base plate, the second elastic member is arranged along the first direction, one end of the second elastic member is fixedly connected to the fourth fixing member, and the other end is connected to the second unlocking member.

[0010] In a feasible implementation, the second limiting assembly also includes a fifth fixing member and a third abutment member; wherein the fifth fixing member and the third abutment member are arranged on both sides of the second unlocking member along the second direction, and a steering portion is provided on the side of the second unlocking member close to the third abutment member, and the steering portion is used to convert the force of the second unlocking member moving along the first direction into a force along the second direction, and the second unlocking member drives the third abutment member to approach or move away from the fifth fixing member.

[0011] In a feasible implementation, the second limiting assembly also includes a third elastic member and a sixth fixing member, the sixth fixing member is fixedly connected to the base plate, the third elastic member is arranged along the second direction, one end of the third elastic member is connected to the sixth fixing member, and the other end is connected to the third abutment member, and the third elastic member is used to drive the third abutment member to approach the fifth fixing member to fix the second product along the second direction.

[0012] In a feasible implementation, the steering portion is provided with a sloped surface, and the bottom plate is provided with a roller, and the roller is arranged between the sloped surface and the third abutment member through a roller shaft, and when the second unlocking member moves along the first direction, the sloped surface moves in contact with the outer surface of the roller to make the third abutment member approach or move away from the fifth fixing member along the second direction.

[0013] In a feasible implementation, the fixture further includes a third limiting component, and the third limiting component is disposed on the bottom plate and is used to fix the third product.

[0014] The implementation of this utility model has the following beneficial effects:

[0015] The present application provides at least two limit assemblies, which can limit the upper cover and lower cover of a common product packaging box respectively, thereby improving the efficiency of the jig. At the same time, the two limit assemblies provided in the present application can both fix and unlock the carried processing components through an unlocking piece, thereby improving the stability of the jig in carrying the processing components and facilitating the implementation of subsequent processes.

[0016] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present application, and together with the specification are used to explain the principles of the present application, and do not constitute an improper limitation on the present application.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the fixture shown in some embodiments of the present application;

[0019] Figure 2 yes Figure 1 Exploded diagram of

[0020] Figure 3 yes Figure 1 Schematic diagram of the three-dimensional structure of the bottom surface of the fixture.

[0021] Reference numerals in the figure: 100 - fixture, 101 - bottom plate, 102 - roller, 103 - ridge;

[0022] 10-first limit assembly, 11-first unlocking member, 111-first push block, 112-first connecting member, 12-first elastic member, 13-first abutting member, 14-first fixing member, 15-first sliding assembly, 16-third fixing member, 17-first guide rod,

[0023] 20-second limit assembly, 21-second unlocking member, 211-steering part,

[0024] 22-second elastic member, 23-second abutting member, 24-second fixing member, 25-fourth fixing member, 26-fifth fixing member, 27-third abutting member, 28-third elastic member, 29-sixth fixing member,

[0025] 30- third limit assembly;

[0026] 40 - suction cup assembly, 41 - seventh fixing member, 42 - suction nozzle assembly. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0028] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In the description of the present utility model, "several" means more than one, "many" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used to distinguish the technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0030] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0031] In the description of the utility model, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] Combine the following Figures 1 to 3The present application is described. In order to better illustrate the jig 100 provided in the present application, a rectangular coordinate system is established with the height direction of the jig 100 as the Z axis, the width direction as the X axis, and the length direction as the Y axis. The jig 100 provided in the embodiment of the present application is used to simultaneously accommodate a packaging box, and the packaging box includes an upper cover and a lower cover, and a space for accommodating products is formed between the upper cover and the lower cover. The jig 100 provided in the present application is used to at least simultaneously accommodate the upper cover and the lower cover of the packaging box. The jig 100 includes: a bottom plate 101, a first limit assembly 10 and a second limit assembly 20. The first limit assembly 10 and the second limit assembly 20 are fixed on the bottom plate 101. Among them, the first limit assembly 10 is used to fix the first product. The first product can be the upper cover of the packaging box. The first limit assembly 10 is provided with a first unlocking member 11, a first elastic member 12, a first abutting member 13, and a first fixing member 14. The first unlocking member 11 is slidably connected to the bottom plate 101 along a first direction. One end of the first elastic member 12 is connected to the bottom plate 101, and the other end of the first elastic member 12 is connected to the first abutting member 13 and the first unlocking member 11. The first elastic member 12 is used to drive the first abutting member 13 away from the first fixing member 14 to fix the first product along the first direction. The first direction is the X-axis direction, hereinafter referred to as the first direction X. The second limiting assembly 20 is used to fix the second product. The second limiting assembly 20 is provided with a second unlocking member 21, a second elastic member 22, a second abutting member 23, and a second fixing member 24; the second unlocking member 21 is slidably connected to the bottom plate 101 along the first direction, the other end of the second elastic member 22 is connected to the bottom plate 101, the other end of the second elastic member 22 is connected to the second unlocking member 21, the second abutting member 23 is fixedly connected to the second unlocking member 21, and the second elastic member 22 is used to drive the second abutting member 23 to approach the second fixing member 24 to fix the second product along the first direction. The first product is placed outside the first abutting member 13 and the first fixing member 14, and the second product is placed between the second abutting member 23 and the second fixing member 24. The at least two limiting assemblies provided in the present application can limit the upper cover and the lower cover of a common product packaging box respectively, thereby improving the load-bearing efficiency of the fixture 100. At the same time, the two limiting components provided in the present application can both fix and unlock the carried processing components through an unlocking piece, thereby improving the stability of the fixture 100 in carrying the processing components and facilitating the implementation of subsequent processes.

[0033] In a feasible implementation, the first position limiting assembly 10 is provided with two first abutment members 13. The first unlocking member 11 includes a first push block 111 and a first connecting member 112. The two first abutment members 13 are arranged in pairs along the second direction, and the second direction is perpendicular to the first direction along the horizontal direction. The second direction is the Y-axis direction. The two first abutment members 13 are fixedly connected to the first connecting member 112, the first push block 111 is fixedly connected to the first connecting member 112, and the telescopic end of the first elastic member 12 is connected to the first connecting member 112. In this way, the stability of the first position limiting assembly 10 on the first product can be increased, which is conducive to wide application.

[0034] In a feasible implementation, the first limit assembly 10 is provided with a first sliding assembly 15, the first sliding assembly 15 includes a first slide rail and a first slider connected in sliding connection along the first direction, the first slide rail is fixedly connected to the bottom plate 101, and the first connecting member 112 is fixedly connected to the first slider. The connection mentioned here can be connected by fasteners such as screws, etc., which will not be repeated here.

[0035] In a feasible implementation, the first limit assembly 10 is provided with two first sliding assemblies 15, the two first sliding assemblies 15 are arranged in pairs along the second direction, and the two slide blocks are respectively fixed to the two ends of the first connecting member 112 along the second direction. In this way, by providing two sliding assemblies 15, the sliding stability of the first unlocking member 11 can be improved, thereby improving the stability when unlocking and locking the first product, which is conducive to wide application.

[0036] In a feasible implementation, the first position limiting assembly 10 further includes a third fixing member 16 and a first guide rod 17, the third fixing member 16 is fixedly connected to the bottom plate 101, the third fixing member 16 has a first through hole, the guide rod passes through the first through hole along the first direction, the first elastic member 12 is sleeved on the first guide rod 17, one end of the first guide rod 17 is connected to the first connecting member 112, and the other end is fixedly connected to the third fixing member 16. In this way, the first elastic member 12 can be a spring, which is sleeved on the first guide rod 17. When the first push block 111 is not subjected to external force, the spring is in a first compression state, and the spring drives the first abutment member 13 away from the first fixing member 14. The first product is sleeved outside the first abutment member 13 and the first fixing member 14. For example, when the first product is an upper cover, the upper cover is buckled outside the first position limiting assembly 10, and the first abutment member 13 is driven away from the first fixing member 14 to fix the first product.

[0037] In a feasible implementation, the first fixing member 14 is a contoured structure corresponding to the first product structure, so that it can form a limit with the first abutting member 13 in the first direction and can also form a limit in the second direction.

[0038] In a feasible implementation, the second limiting assembly 20 is provided with a fourth fixing member 25. The fourth fixing member 25 is fixedly connected to the bottom plate 101. The second elastic member 22 is arranged along the first direction. One end of the second elastic member 22 is fixedly connected to the fourth fixing member 25, and the other end is connected to the second unlocking member 21.

[0039] In a feasible implementation, the second limiting assembly 20 further includes a fifth fixing member 26 and a third abutting member 27; wherein the fifth fixing member 26 and the third abutting member 27 are arranged on both sides of the second unlocking member 21 along the second direction, and a turning portion 211 is arranged on a side of the second unlocking member 21 close to the third abutting member 27, and the turning portion 211 is used to convert the force of the second unlocking member 21 moving along the first direction into the force along the second direction, and the second unlocking member 21 drives the third abutting member 27 to move closer to or away from the fifth fixing member 26. In this way, the first unlocking member 21 drives the second abutting member 23 away from the second fixing member 24 in the first direction, and also drives the third abutting member 27 away from the fifth fixing member 26 from the second direction, thereby achieving unlocking in two directions. Accordingly, the arrangement of the fifth fixing member 26 and the third abutting member 27 can also achieve locking of the second product in two directions, thereby achieving better limiting.

[0040] In a feasible implementation, the second limit assembly 20 further includes a third elastic member 28 and a sixth fixing member 29, the sixth fixing member 29 is fixedly connected to the bottom plate 101, the third elastic member 28 is arranged along the second direction, one end of the third elastic member 28 is connected to the sixth fixing member 29, and the other end is connected to the third abutting member 27, the third elastic member 28 is used to drive the third abutting member 27 to approach the fifth fixing member 26, and fix the second product along the second direction. When the second unlocking member 21 moves from the second fixing member 24 to the second abutting member 23 along the first direction, it pushes the third abutting member 27 away from the majority of the fifth fixing members 26, and unlocks the second product.

[0041] In a feasible implementation, the steering portion 211 is provided with an inclined surface 211, and the bottom plate 101 is provided with a roller 102, and the roller 102 is arranged between the inclined surface and the third abutment member 27 through a roller shaft, and when the second unlocking member 21 moves along the first direction, the inclined surface moves in contact with the outer surface of the roller 102, so that the third abutment member 27 moves along the second direction close to or away from the fifth fixing member 26. In this way, a smooth steering can be achieved, and the driving force of the second unlocking member 21 moving along the first direction is converted into a driving force along the second direction.

[0042] In a feasible embodiment, the base plate may not be a roller but another wedge-shaped component corresponding to the inclined surface 211. The wedge surface of the wedge-shaped component is tangent to the inclined surface 211. The wedge component is then slidably connected to the base plate along the second direction. When the second unlocking member 21 moves along the first direction, the wedge-shaped component is pushed to slide along the second direction, thereby realizing the push-unlocking of the second abutment member.

[0043] In a feasible implementation, the fixture 100 further includes a third stopper assembly 30, which is disposed on the bottom plate 101 and is used to fix the third product. In this way, the first stopper assembly 10 can be used to place the upper cover of the packaging box, the second stopper assembly 20 can be used to place the lower cover of the packaging box, and the third stopper assembly 30 can be used to place the product. The fixture 100 can carry a full set of products, and the product and the packaging can be transported to other equipment together for other process operations, which is conducive to wide application.

[0044] In a feasible implementation, two ridges 103 may be further provided at the bottom of the bottom plate 101. The ridges 103 are fixed to the bottom plate 101 along the second direction, and the ridges 103 may be integrally formed with the bottom plate 101, or may be connected to the bottom plate by fasteners. The ridges 103 may facilitate docking of the fixture 100 with other devices or streamlines, thereby increasing the stability of the fixture 100 when operating on other devices or streamlines.

[0045] In a feasible implementation, the fixture 100 also includes a suction cup assembly 40. The suction cup assembly is arranged on the second limiting assembly 20. The suction cup assembly 40 includes a seventh fixing member 41 and 8 evenly distributed suction nozzle assemblies 42. The seventh fixing member 41 is fixed to the base plate 101, and the fixing here can be fixed by screws. The suction nozzle assembly 42 can be connected to the air circuit assembly. When the second product is placed on the second limiting assembly 20, the air circuit assembly outputs negative pressure to adsorb the second product on the seventh fixing member 41 through the suction nozzle assembly 42. In this way, when the first product and the second product are a combination product such as an upper cover and a lower cover that cover each other, the two covered products can be placed on the second limiting assembly 20 first, and then the upper cover can be sucked by another device such as a suction device. Then, the lower cover is adsorbed on the second limiting assembly 20 under the action of the suction nozzle assembly, and will not be sucked away, thereby realizing the separation of the upper cover and the lower cover.

[0046] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0047] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A fixture, characterized in that: The fixtures include: Bottom plate, A first limiting assembly is used to fix the first product. The first limiting assembly is provided with a first unlocking member, a first elastic member, a first abutting member and a first fixing member. The first unlocking member is slidably connected to the bottom plate along a first direction. One end of the first elastic member is connected to the bottom plate, and the other end of the first elastic member is connected to the first abutting member and the first unlocking member. The first elastic member is used to drive the first abutting member away from the first fixing member to fix the first product along the first direction. The second limiting assembly is used to fix the second product. The second limiting assembly is provided with a second unlocking member, a second elastic member, a second abutment member and a second fixing member. The second unlocking member is slidably connected to the base plate along the first direction, the other end of the second elastic member is connected to the base plate, the other end of the second elastic member is connected to the second unlocking member, the second abutment member is fixedly connected to the second unlocking member, and the second elastic member is used to drive the second abutment member to approach the second fixing member to fix the second product along the first direction.

2. The fixture according to claim 1, characterized in that: The first limiting assembly is provided with two first abutment members, and the first unlocking member includes a first push block and a first connecting member; the two first abutment members are arranged in pairs along a second direction, and the second direction is perpendicular to the first direction along a horizontal direction, the two first abutment members are fixedly connected to the first connecting member, the first push block is fixedly connected to the first connecting member, and the telescopic end of the first elastic member is connected to the first connecting member.

3. The fixture according to claim 2, characterized in that: The first limiting assembly is provided with a first sliding assembly, and the first sliding assembly includes a first sliding rail and a first sliding block which are slidably connected along the first direction, the first sliding rail is fixedly connected to the bottom plate, and the first connecting member is fixedly connected to the first sliding block.

4. The fixture according to claim 3, characterized in that: The first limiting assembly is provided with two first sliding assemblies, the two first sliding assemblies are arranged in pairs along the second direction, and the two sliding blocks are respectively fixed to two ends of the first connecting member along the second direction.

5. The fixture according to claim 4, characterized in that: The first limiting assembly also includes a third fixing member and a first guide rod, the third fixing member is fixedly connected to the base plate, the third fixing member defines a first through hole, the guide rod passes through the first through hole along the first direction, the first elastic member is sleeved on the first guide rod, one end of the first guide rod is connected to the first connecting member, and the other end is fixedly connected to the third fixing member.

6. The fixture according to claim 1, characterized in that: The second limiting assembly is provided with a fourth fixing member, and the fourth fixing member is fixedly connected to the bottom plate. The second elastic member is arranged along the first direction, one end of the second elastic member is fixedly connected to the fourth fixing member, and the other end is connected to the second unlocking member.

7. The fixture according to claim 1, characterized in that: The second limiting assembly also includes a fifth fixing member and a third abutment member; wherein the fifth fixing member and the third abutment member are arranged on both sides of the second unlocking member along the second direction, and a steering portion is provided on the side of the second unlocking member close to the third abutment member, and the steering portion is used to convert the force of the second unlocking member moving along the first direction into a force along the second direction, and the second unlocking member drives the third abutment member to approach or move away from the fifth fixing member.

8. The fixture according to claim 7, characterized in that: The second limiting assembly also includes a third elastic member and a sixth fixing member, the sixth fixing member is fixedly connected to the base plate, the third elastic member is arranged along the second direction, one end of the third elastic member is connected to the sixth fixing member, and the other end is connected to the third abutment member, and the third elastic member is used to drive the third abutment member to approach the fifth fixing member to fix the second product along the second direction.

9. The fixture according to claim 7, characterized in that: The steering portion is provided with an inclined surface, and the bottom plate is provided with a roller, and the roller is arranged between the inclined surface and the third abutment member through a roller shaft. When the second unlocking member moves along the first direction, the inclined surface moves in contact with the outer surface of the roller to make the third abutment member approach or move away from the fifth fixing member along the second direction.

10. The fixture according to claim 1, characterized in that: The fixture further includes a third limiting component, which is disposed on the bottom plate and is used to fix the third product.