CN219948819U

CN219948819U - Positioning jig and production line

Info

Publication number: CN219948819U
Application number: CN202320383699.9U
Authority: CN
Inventors: 严韩平; 陈本良; 卿艳华; 刘仕臻; 吕品风
Original assignee: Zhejiang Sunwoda Electronics Co Ltd
Current assignee: Zhejiang Sunwoda Electronics Co Ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-11-03
Anticipated expiration: 2033-02-24

Abstract

The utility model relates to the technical field of battery equipment, in particular to a positioning jig and a production line, wherein the positioning jig comprises a supporting platform, a first abutting component and a second abutting component, the first abutting component and the second abutting component are both arranged on the supporting platform, the first abutting component extends along a first direction, the second abutting component extends along a second direction, and the second abutting component is in sliding connection with the first abutting component so that the second abutting component can slide along the first direction, and the first direction and the second direction are crossed. According to the positioning jig and the production line, the alignment difficulty of the to-be-rubberized objects and the rubberizing stations is effectively reduced, the alignment precision of the to-be-rubberized objects and the rubberizing stations is improved, the adaptability of the positioning jig to the to-be-rubberized objects with different sizes is effectively improved, and the marking operation flow of the positioning mark is simplified.

Description

Positioning jig and production line

Technical Field

The utility model relates to the technical field of battery equipment, in particular to a positioning jig and a production line.

Background

In the battery production process, it is generally required to attach an insulating adhesive paper to the surface of the battery (for example, an E-type head adhesive paper is attached to the end of the terminal of the square battery) so as to increase the insulating strength of the battery.

In the trial production stage of the battery, a labeling machine (for example, a label picking device of an automatic labeling machine for square batteries described in chinese patent document (publication No. CN 201501557U)) is generally used, and the attaching process of the insulating label is completed in combination with manual feeding and positioning.

Nowadays, the manual feeding positioning is usually to manually set a positioning mark below the labeling machine (for example, the positioning mark can mark the rubberizing station of the rubberizing object by scribing or taping, etc.) so as to mark the rubberizing station of the rubberizing object (for example, a battery), and then manually align the rubberizing object with the positioning mark so as to realize the feeding positioning of the rubberizing object.

However, in the above-mentioned manual feeding positioning method, a long time is required to be consumed in the alignment process of the to-be-glued objects and the positioning marks, so that the attaching efficiency of the insulating glue paper is low, the attaching yield of the insulating glue paper is greatly affected by the marking precision of the manual positioning marks and the difference of operators, and once to-be-glued objects with different specifications and sizes are attached, the positioning marks are required to be re-marked, so that the operation is complex.

Disclosure of Invention

The utility model aims to provide a positioning jig and a production line, which solve the technical problems that in the prior art, a long time is consumed in the process of manually aligning an object to be glued with the positioning mark, so that the attaching efficiency of insulating glue paper is low, the attaching yield of the insulating glue paper is greatly influenced by the marking precision of the manual positioning mark and the difference of operators, and the positioning mark is required to be re-marked once the objects to be glued with different specifications and sizes are attached, and the operation is complex.

According to a first aspect of the present utility model, there is provided a positioning jig, comprising a support platform, a first abutment assembly and a second abutment assembly, both the first abutment assembly and the second abutment assembly being disposed on the support platform, the first abutment assembly extending in a first direction, the second abutment assembly extending in a second direction, the second abutment assembly being slidably connected to the first abutment assembly such that the second abutment assembly can slide in the first direction, the first direction intersecting both the second direction.

Preferably, the first abutment assembly comprises a first runner extending in the first direction, a portion of the second abutment assembly being inserted into the first runner and forming a sliding fit.

Preferably, the first abutment assembly further comprises a second runner extending in the first direction, the second runner communicating with the first runner in a third direction, the second direction intersecting the third direction;

the second abutting assembly further comprises an abutting portion and a positioning portion which are connected with each other, the abutting portion extends along the second direction, the positioning portion comprises a first portion and a second portion which are connected with each other, the first portion is exposed to the outer side of the second sliding groove, and the second portion penetrates through the second sliding groove and is in threaded connection with the abutting portion.

Preferably, the positioning jig comprises a limiting part, the supporting platform comprises a third sliding groove extending along the second direction, and the limiting part is in sliding connection with the third sliding groove, so that the distance between the limiting part and the first abutting component in the second direction is adjustable.

Preferably, the first abutment assembly is detachably connected to both the support platform;

the first direction is perpendicular to the second direction.

Preferably, the device further comprises two magnetic attraction parts arranged facing each other along the first direction, and the two magnetic attraction parts are fixedly arranged on the supporting platform;

the first abutting component comprises an abutting main body and two adsorption parts, wherein the abutting main body extends along the first direction, and the two adsorption parts are arranged at two ends of the abutting main body in the first direction so as to be respectively adsorbed on the two magnetic adsorption parts.

Preferably, the support platform further comprises at least three leg assemblies, wherein the at least three leg assemblies are arranged on one side, facing away from the first abutting assembly, of the support platform, the leg assemblies extend along a third direction, the length of the leg assemblies in the third direction is adjustable, and the third direction is perpendicular to the support platform.

Preferably, the leg assembly comprises a first support tube and a second support tube, wherein the first support tube is sleeved on the outer side of the second support tube, so that the first support tube can slide along the third direction relative to the second support tube, and a closed space with adjustable volume is formed by surrounding the first support tube and the second support tube;

one of the first support tube and the second support tube is connected with the support platform.

Preferably, the support comprises a base part and an air source interface arranged on the base part, wherein the base part and the support platform are oppositely arranged in the third direction, and the support leg assembly is arranged between the base part and the support platform;

the other of the first support tube and the second support tube communicates with the air source interface via the base portion.

According to the second aspect of the present utility model, a production line is provided, which includes the positioning jig according to any one of the above-mentioned technical solutions, so that the positioning jig has all the beneficial technical effects, and will not be described herein.

Compared with the prior art, the utility model has the beneficial effects that:

according to the positioning jig provided by the utility model, the first abutting component and the second abutting component which are mutually intersected are arranged on the supporting platform to replace manual marking positioning marks, so that on one hand, when the object to be rubberized is required to be rubberized, the object to be rubberized can be positioned at the rubberizing station only by abutting the two parts of the object to be rubberized with the first abutting component and the second abutting component respectively, and compared with the prior art, the alignment difficulty of the object to be rubberized and the rubberizing station is effectively reduced, and the alignment precision of the object to be rubberized and the rubberizing station is improved; on the other hand, once the size specification of the to-be-rubberized object changes, the second abutting component only needs to slide along the first direction, and the relative positions of the first abutting component and the second abutting component are adjusted, so that the adjustment of the positioning mark can be realized, the adaptability of the positioning jig to the to-be-rubberized objects with different sizes is effectively improved, and the marking operation flow of the positioning mark is simplified.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an axial measurement structure of a positioning fixture according to an embodiment of the present utility model;

fig. 2 is an exploded view of a positioning jig according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of another axial measurement structure of the positioning fixture according to the embodiment of the present utility model;

FIG. 4 is a schematic diagram of an axial structure of a first abutment assembly according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a base portion according to an embodiment of the present utility model.

Reference numerals:

1-a supporting platform; 11-a magnetic attraction part; 12-a third chute; 21-a first abutment assembly; 211-a first chute; 212-a second chute; 213-abutment body; 214-an adsorption section; 22-a second abutment assembly; 221-abutment; 222-positioning part; 23-a limiting part; a 3-leg assembly; 31-a first support tube; 32-a second support tube; 4-a base portion; 41-an air collecting main pipe; 42-gas-receiving branch pipes; 43-air feed holes; 5-an air source interface; 6, a glue object to be glued.

F1-a first direction; f2-a second direction; f3-third direction.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following describes a positioning jig and a production line according to some embodiments of the utility model with reference to fig. 1 to 5.

Referring to fig. 1 to 5, an embodiment of the utility model provides a positioning jig, which includes a support platform 1, a first abutting component 21 and a second abutting component 22, wherein the first abutting component 21 and the second abutting component 22 are both disposed on the support platform 1, the first abutting component 21 extends along a first direction F1, the second abutting component 22 extends along a second direction F2, and the second abutting component 22 is slidably connected with the first abutting component 21, so that the second abutting component 22 can slide along the first direction F1, and the first direction F1 and the second direction F2 intersect.

According to the positioning jig provided by the utility model, the first abutting component 21 and the second abutting component 22 which are mutually intersected are arranged on the supporting platform 1 to replace manual marking positioning marks, so that on one hand, when the to-be-rubberized object 6 is required to be rubberized, only two parts of the to-be-rubberized object 6 are required to be abutted against the first abutting component 21 and the second abutting component 22 respectively, the to-be-rubberized object 6 can be positioned at a rubberizing station, and compared with the prior art that the to-be-rubberized object 6 is aligned with the rubberizing station by a person, the alignment difficulty of the to-be-rubberized object 6 and the rubberizing station is effectively reduced, and the alignment precision of the to-be-rubberized object 6 and the rubberizing station is improved; on the other hand, once the size specification of the to-be-glued object 6 is changed, the second abutting component 22 only needs to slide along the first direction F1, and the relative positions of the first abutting component 21 and the second abutting component 22 are adjusted, so that the adjustment of the positioning mark can be realized, the adaptability of the positioning jig to the to-be-glued object 6 with different sizes is effectively improved, and the marking operation flow of the positioning mark is simplified.

Referring to fig. 1 to 5, a direction shown in F1 in the drawings may be an example of a first direction, a direction shown in F2 in the drawings may be an example of a second direction, and a direction shown in F3 in the drawings may be an example of a third direction. Preferably, any two of the first direction F1, the second direction F2 and the third direction F3 are perpendicular, wherein the third direction F3 may be a gravity direction when the positioning jig is in a use state.

Preferably, as shown in fig. 1 to 4, the first abutment assembly 21 may include a first sliding groove 211 extending along the first direction F1, and a portion of the second abutment assembly 22 is inserted into the first sliding groove 211 and slides, so that the second abutment assembly 22 can slide along the first direction F1, and the first sliding groove 211 plays a role of sliding displacement guide.

Preferably, the first abutment assembly 21 may include an abutment body 213, and the abutment body 213 may be a cube extending in the first direction F1, and the first sliding groove 211 may be provided at a side of the cube facing the second abutment assembly 22 in the second direction F2.

As shown in fig. 2 and 3, the to-be-glued object 6 is a square battery, for example, the first direction F1 and the second direction F2 are perpendicular to each other, i.e. the included angle between the two directions may be right angles. When the to-be-glued object 6 is placed on the supporting platform 1, two adjacent sides of the to-be-glued object 6 can be abutted against the first abutting component 21 and the second abutting component 22 respectively, so that the to-be-glued object 6 is positioned on the supporting platform 1. However, without being limited thereto, the included angle between the extending directions of the first abutting component 21 and the second abutting component 22 (i.e., the included angle between the first direction F1 and the second direction F2) may be adaptively adjusted according to the shape of the object to be glued 6, for example, the included angle between the first direction F1 and the second direction F2 may be an obtuse angle or an acute angle.

Preferably, as shown in fig. 1 to 3, the first abutment assembly 21 may further include a second runner 212 extending along the first direction F1, the second runner 212 communicating with the first runner 211 along the third direction F3, and the second direction F2 may intersect the third direction F3.

Preferably, as shown in fig. 1 to 3, the second abutting component 22 may further include an abutting portion 221 and a positioning portion 222 connected to each other, the positioning portion 222 is slidably connected to the second sliding chute 212, at least part of the positioning portion 222 penetrates the second sliding chute 212 along the third direction F3, and one end of the positioning portion 222 is fixedly connected to the abutting portion 221, and a user can drive the abutting portion 221 to slide along the first direction F1 by holding the positioning portion 222.

Alternatively, as shown in fig. 1 to 3, the third direction F3 may be perpendicular to the supporting platform 1, and the second chute 212 may be disposed on a side of the cube opposite to the abutment plane in the third direction F3, so as to further facilitate the user to hold the positioning portion 222 in the hand.

Preferably, as shown in fig. 1 to 3, the abutting portion 221 may be a rectangular parallelepiped caliper extending in the second direction F2, and one end of the caliper in the second direction F2 may be disposed in the first slide groove 211.

Preferably, the positioning portion 222 may include a first portion and a second portion (not shown in the drawings because it is hidden by other components) connected to each other, and the first portion is exposed to the outside of the second chute 212 for the user to hold. The second portion passes through the second chute 212 and is fixedly connected with the abutting portion 221, for example, the second portion is fixed by threads, and the position locking between the abutting portion 221 and the front of the first abutting component 21 can be realized by utilizing a threaded structure, so that when the second abutting component 22 is adjusted to the rubberizing position, a user can enable the second portion to abut against the bottom surface of the second chute 212 by screwing the positioning portion 222, so that the relative positions of the first abutting component 21 and the second abutting component 22 are fixed, and the phenomenon that the positioning jig is positioned inaccurately due to sliding of the second abutting component 22 in the process of abutting the rubberizing object 6 with the first abutting component 21 and the second abutting component 22 is prevented.

Alternatively, the first portion may be a cylindrical handle. The second portion may be a stud extending in the third direction F3.

Optionally, not shown, the second abutment assembly 22 may further include a threaded hole penetrating the abutment 221 in the third direction F3, the threaded hole being provided at a portion of the clamping portion extending into the first sliding groove 211, the threaded hole being capable of being exposed by the second sliding groove 212 when viewed in the third direction F3, so that the second portion penetrates the threaded hole in the third direction F3.

In an embodiment, as shown in fig. 1 to 3, the positioning jig may further include a limiting portion 23, the supporting platform 1 includes a third sliding groove 12 extending along the second direction F2, and the limiting portion 23 is slidably connected with the third sliding groove 12, so that a distance between the limiting portion 23 and the first abutting component 21 in the second direction F2 is adjustable, and when the to-be-glued object 6 is placed on the supporting platform 1, a user can slide the limiting portion 23 to enable a distance between the limiting portion 23 and the first abutting component 21 in the second direction F2 to be equal to a length of the to-be-glued object 6 in the second direction F2, so as to define a position between the to-be-glued object 6 and the supporting platform 1 in the second direction F2, and avoid a phenomenon that the to-be-glued object 6 slides in the second direction F2 to affect gluing accuracy during a gluing process.

Preferably, as shown in fig. 2, the limiting portion 23 may be a slider having an inverted T-shaped cross section, and the shape of the figure obtained by cutting the third chute 12 along a plane defined by both the first direction F1 and the third direction F3 is adapted to the cross-sectional shape of the limiting portion 23. As shown in fig. 1 and 3, with respect to the upper surface of the supporting platform 1, the upper end of the limiting portion 23 extends from the third chute 12 along the third direction F3 to abut against the to-be-glued object 6, so as to limit the to-be-glued object 6.

Preferably, as shown in fig. 2, the third chute 12 penetrates the support platform 1 along the second direction F2, so as to facilitate the installation of the limiting portion 23.

In the embodiment, the first abutting component 21 is detachably connected with the supporting platform 1, so that maintainability of the positioning jig is effectively improved, and once the first abutting component 21 is damaged, maintenance can be performed by replacing the first abutting component 21, so that maintenance cost is effectively reduced; in the second aspect, the position of the first abutting component 21 is convenient to adjust, and the adaptability of the positioning jig to the to-be-glued objects 6 with different sizes is further improved; in the third aspect, after the first abutting component 21 and the second abutting component 22 are assembled, the first abutting component 21 and the second abutting component 22 are arranged on the supporting platform 1, so that the first abutting component 21 and the second abutting component 22 can be assembled and disassembled conveniently.

Preferably, as shown in fig. 1 to 3, the positioning fixture may further include two magnetic attraction portions 11 disposed facing each other along the first direction F1, where both the magnetic attraction portions 11 are fixedly disposed on the support platform 1, so as to be used for adsorbing and fixing the first abutment assembly 21. Alternatively, the magnet 11 may be a square magnet block.

Preferably, as shown in fig. 4, the first abutting assembly 21 may further include two adsorbing portions 214, and the two adsorbing portions 214 are disposed at two ends of the abutting body 213 in the first direction F1 to be respectively connected with the two magnetic adsorbing portions 11 in an adsorbing manner. Alternatively, the adsorbing portion 214 may be embedded in a block of magnetic material (e.g., a magnet block, an iron block, etc.) in both ends of the abutting body 213 in the first direction F1.

Preferably, as shown in fig. 4, the area of the end surface of the magnetic attraction portion 11 in the first direction F1 is much larger than the area of the end surface of the attraction portion 214 in the first direction F1, so as to adjust the relative positions of the first abutment assembly 21 and the support platform 1.

In an embodiment, preferably, as shown in fig. 1 to 3, the positioning jig may further include at least three leg assemblies 3, where the at least three leg assemblies 3 may be disposed on a side of the support platform 1 opposite to the first abutment assembly 21, the leg assemblies 3 extend along the third direction F3, and the length of the leg assemblies 3 in the third direction F3 may be adjusted, so as to further improve flexibility and adaptability of the positioning jig, so that the positioning jig may adjust the height of the support platform 1 according to the height of the rubberizing station, and the positioning jig may be applicable to a labeling machine disposed at different positions and heights.

Four examples of leg assemblies 3 are shown in fig. 1 to 3. Preferably, as shown in fig. 1 to 3, the leg assembly 3 may include a first support tube 31 and a second support tube 32, where the first support tube 31 is sleeved on the outer side of the second support tube 32, so that the first support tube 31 can slide along the third direction F3 relative to the second support tube 32, and a volume-adjustable enclosed space is enclosed inside both the first support tube 31 and the second support tube 32, so as to realize the length adjustment of the leg assembly 3 in the third direction F3.

Preferably, as shown in fig. 1 to 3, a first support tube 31 may be connected to the support platform 1, and a second support tube 32 may be used to connect to the base portion 4 described below. However, without being limited thereto, the second support pipe 32 may be connected to the support platform 1, and the first support pipe 31 may be used to connect to the base portion 4 described below.

Preferably, as shown in fig. 1 to 3 and 5, the positioning fixture may further include a base portion 4 and an air source interface 5 disposed on the base portion 4, where the base portion 4 and the support platform 1 are disposed opposite to each other in the third direction F3, and the leg assembly 3 is disposed between the base portion 4 and the support platform 1. The second support tube 32 is communicated with the air source interface 5 through the base part 4, so that the air source interface 5 controls the air to enter and exit the airtight space, and the first support tube 31 is driven to ascend and descend relative to the second support tube 32.

Optionally, not shown in the drawings, the leg assembly 3 may further include a sealing portion, where the sealing portion may be disposed between the first support tube 31 and the second support tube 32, so as to fill a sleeve joint gap between the first support tube 31 and the second support tube 32, so as to ensure air tightness of the enclosed space.

Preferably, not shown in the drawings, the sealing portion may be an O-ring seal, and the O-ring seal may be embedded in an inner wall of the first support tube 31.

Preferably, as shown in fig. 2, the air source connector 5 may be a three-way valve, so that the base portion 4 can be respectively communicated with an air pump and an air discharge valve to respectively control the air entering and exiting the closed space.

Preferably, as shown in fig. 5, the base portion 4 may include an air-receiving manifold 41 extending in the first direction F1 and two air-receiving branch pipes 42 extending in the second direction F2, the two air-receiving branch pipes 42 are both in communication with the air-receiving manifold 41, and the leg assemblies 3 are in communication with the air-receiving manifold 41 via the air-receiving branch pipes 42, so that the air pressure in each air-receiving branch pipe 42 is kept uniform, the air pressure in the closed space of each leg assembly 3 is kept uniform, and the uniformity of the sliding distance of each leg assembly 3 in the third direction F3 is further ensured.

Further, any one of the air-receiving branch pipes 42 may be respectively communicated with the two leg assemblies 3 disposed at intervals in the second direction F2. Specifically, as shown in fig. 5, the air-receiving branch pipe 42 may include two air-feed holes 43, and the leg assembly 3 may communicate with the air-receiving branch pipe 42 via the air-feed holes 43.

However, not limited thereto, the leg assembly 3 may be other linear elevating structures, such as a linear motor, a cylinder, or the like, as long as the length of the leg assembly 3 in the third direction F3 can be made adjustable.

The embodiment of the utility model also provides a production line comprising the positioning jig according to any one of the embodiments, so that the production line has all the beneficial technical effects of the positioning jig, and the description is omitted here.

The production line may further comprise a labelling machine arranged above the support platform 1.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The utility model provides a positioning jig, its characterized in that includes supporting platform, first butt subassembly and second butt subassembly, first butt subassembly with both set up in the supporting platform is to the second butt subassembly, first butt subassembly extends along first direction, second butt subassembly extends along the second direction, second butt subassembly with first butt subassembly sliding connection, so that the second butt subassembly can be followed first direction slip, first direction with both cross of second direction.

2. The positioning jig of claim 1, wherein the first abutment assembly comprises a first runner extending in the first direction, a portion of the second abutment assembly being inserted into the first runner and forming a slip fit.

3. The positioning jig according to claim 2, wherein,

the first abutting assembly further comprises a second chute extending along the first direction, the second chute being in communication with the first chute along a third direction, the second direction intersecting the third direction;

the second abutting assembly further comprises an abutting portion and a positioning portion which are connected with each other, the abutting portion extends along the second direction, the positioning portion comprises a first portion and a second portion which are connected with each other, the first portion is exposed to the outer side of the second sliding groove, and the second portion penetrates through the second sliding groove and is fixedly connected with the abutting portion.

4. The positioning jig of claim 1, wherein the positioning jig comprises a limit portion, the support platform comprises a third runner extending along the second direction, the limit portion is slidably connected to the third runner such that a distance between the limit portion and the first abutment assembly in the second direction can be adjusted.

5. The positioning jig according to any one of claims 1 to 4,

the first abutting component is detachably connected with the supporting platform;

the first direction is perpendicular to the second direction.

6. The positioning jig of claim 5, further comprising two magnetic attraction portions disposed facing each other along the first direction, both of the magnetic attraction portions being fixedly disposed on the support platform;

7. The positioning jig of claim 1, further comprising at least three leg assemblies, each of the at least three leg assemblies disposed on a side of the support platform facing away from the first abutment assembly, the leg assemblies extending in a third direction, a length of the leg assemblies in the third direction being adjustable, the third direction being perpendicular to the support platform.

8. The positioning jig of claim 7, wherein,

the support leg assembly comprises a first support tube and a second support tube, wherein the first support tube is sleeved on the outer side of the second support tube, so that the first support tube can slide along the third direction relative to the second support tube, and a closed space with adjustable volume is formed by surrounding the first support tube and the second support tube;

9. The positioning jig of claim 8, further comprising a base portion and an air source interface disposed at the base portion, the base portion and the support platform being disposed opposite one another in the third direction, the leg assembly being disposed between the base portion and the support platform;

10. A production line comprising the positioning jig of any one of claims 1 to 9.