CN216404527U

CN216404527U - Rotary jig

Info

Publication number: CN216404527U
Application number: CN202123220196.XU
Authority: CN
Inventors: 秦煌; 朱超; 杨红涛; 杨政纲; 张士浤; 洪辰谕
Original assignee: Fulian Yuzhan Technology Shenzhen Co Ltd
Current assignee: Fulian Yuzhan Technology Shenzhen Co Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-04-29
Anticipated expiration: 2031-12-20

Abstract

The application provides a rotary jig, includes: the guide seat is provided with a first universal joint and a second universal joint; the driving support rod is used for driving the guide seat to rotate in a plane parallel to the fixed plane and is rotatably connected to the guide seat through a first universal joint, and an included angle between the driving support rod and the fixed plane is not 0 degree but not 90 degrees; the driven support rod is connected with the guide seat through a second universal joint; the product fixing assembly is provided with at least two third universal joints; when the active supporting rod rotates, the product fixing component rotates around the active supporting rod and swings relative to the active supporting rod. The application provides a rotatory tool is at the in-process that uses, can make the product take place the beat for initiative branch when around initiative branch pivoted, increases the degree of freedom of product at the coating film in-process, makes the coating film effect on product surface more even, improves the uniformity of coating film thickness, avoids the condition of the heterochrosis because of the coating film thickness is uneven appears.

Description

Rotary jig

Technical Field

The application relates to the technical field of vacuum physical vapor deposition, in particular to a rotary jig.

Background

When a product is coated by a vacuum Physical Vapor Deposition (PVD) technology, the product needs to be fixed by using a jig, the fixed jig is mounted on a support rod, and finally the support rod is fixed in a PVD furnace and the product is coated.

However, when the product includes a curved surface or an irregular surface, the distances and angles between the target and each position of the curved surface or the irregular surface are different, so that the problems of uneven coating thickness and even different colors are easily caused. How to improve the uniformity of the coating thickness of the cambered surface and the irregular surface in the vacuum physical vapor deposition coating process is a problem to be solved urgently by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present application is to provide a rotary jig, when the rotary jig is placed in a PVD furnace for coating by vacuum physical vapor deposition, the product fixing assembly is driven by the active supporting rod to rotate and simultaneously generates a deflection relative to the active supporting rod, so as to increase the degree of freedom of a product fixed in the product fixing assembly in a coating process, make the coating effect on the surface of the product more uniform, improve the uniformity of the coating thickness, and avoid the occurrence of a different color due to uneven coating thickness.

In order to achieve the above purpose, the present application provides the following technical solutions:

a rotary jig comprising:

the guide seat is attached to and rotatably arranged on the fixed plane and provided with a first universal joint and a second universal joint;

the driving support rod is used for driving the guide seat to rotate in a plane parallel to the fixed plane, the driving support rod is rotatably connected to the guide seat through the first universal joint, and an included angle which is not 0 degree but not 90 degrees is formed between the driving support rod and the fixed plane;

the driven support rod is connected with the guide seat through the second universal joint;

the product fixing assembly is provided with at least two third universal joints which are respectively and correspondingly connected with the driving support rod and the driven support rod, and when the driving support rod rotates to drive the guide seat to rotate in a plane parallel to the fixed plane, the product fixing assembly is driven by the driving support rod to rotate and deflect relative to the driving support rod.

Optionally, the first universal joint, the second universal joint, and the third universal joint each include a fixing sleeve, a first sleeve rotatably sleeved on an outer periphery of the fixing sleeve, and a second sleeve rotatably sleeved on an outer periphery of the first sleeve;

the rotation axis of the first sleeve is perpendicular to the rotation axis of the second sleeve.

Optionally, the height of the first sleeve and the second sleeve are both lower than the height of the fixing sleeve.

Optionally, the number of the product fixing assemblies is at least two, and a plurality of the product fixing assemblies are sequentially arranged along the axial direction of the driving support rod and have gaps;

the guide seat is provided with one first universal joint and two second universal joints, and rotating shafts of at least two of the first universal joint, the second universal joint and the third universal joint are not collinear;

the product fixing assembly is provided with three third universal joints, and rotating shafts of at least two of the three third universal joints are not collinear;

the number of the driving supporting rods is one, the number of the driven supporting rods is two, and the first universal joint, the second universal joint and the third universal joint are respectively sleeved with the driving supporting rods and the driven supporting rods which are connected to the driving supporting rods and the driven supporting rods correspondingly.

Optionally, the guide holder includes a main body portion, the first gimbal and the second gimbal are embedded in the main body portion, and the second sleeve of the first gimbal and the second sleeve of the second gimbal are both connected to the main body portion.

Optionally, the product fixing assembly comprises a bottom plate and a cover plate connected with the bottom plate;

the third universal joint is connected to the bottom plate or the cover plate;

the cover plate is provided with a pressing portion for pressing and fixing the product to the base plate.

Optionally, the bottom plate orientation the edge of one side of apron is provided with the joint arch, the apron orientation one side of bottom plate be provided with the protruding cooperation draw-in groove of joint.

Optionally, the guide seat further comprises a base, wherein a supporting plate is arranged on the base in a turnable manner, and the upper plane of the supporting plate is used for supporting the fixing plane of the guide seat.

Optionally, one side that the fagging is close to the base is provided with the arc structure, follows the arc direction of arc structure is provided with a plurality of pinholes, the base be provided with pinhole complex through-hole and detachable insert locate the through-hole the locating pin of pinhole.

Optionally, the rotation angle of the stay plate relative to the base is greater than 0 ° and less than 90 °.

In the process of using the rotary jig provided by the application, firstly, a product needs to be fixed to the product fixing component, the product fixing component is connected to the driving support rod through the third universal joint, then the whole rotary jig is placed into the PVD furnace, and the structure in the PVD furnace drives the rotary jig to revolve; the active support rod drives the guide seat in the rotating process, the product fixing component rotates in the plane parallel to the fixing plane, the guide seat is in the rotating process, a non-0-degree and non-90-degree included angle is formed between the active support rod and the fixing plane, the guide seat can deflect relative to the active support rod under the influence of the fixing plane, the driven support rod is connected with the guide seat through the second universal joint and is connected with the product fixing device through the third universal joint, the guide seat can drive the driven support rod to move relative to the active support rod in the deflecting process relative to the active support rod, the product fixing component is driven by the driven support rod to deflect relative to the active support rod, the product fixing component rotates in the plane parallel to the fixing plane, and the product in the product fixing component can deflect while rotating around the active support rod.

The application provides a rotatory tool is at the in-process that uses, can make the product take place the beat for initiative branch when around initiative branch pivoted, increases the degree of freedom of product in the coating film in-process, makes the coating film effect on product surface more even, improves the uniformity of coating film thickness, avoids the condition of the heterochrosis because of the coating film thickness is uneven and appears, improves the homogeneity of vacuum physics vapor deposition coating film in-process cambered surface and irregular surface coating film thickness.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on the provided drawings without creative efforts.

Fig. 1 is an exploded view of a rotary jig according to some embodiments of the present disclosure;

fig. 2 is a schematic structural view illustrating a rotation fixture according to some embodiments of the present disclosure rotating to an angle;

fig. 3 is a schematic structural view illustrating a rotation fixture rotating to another angle according to some embodiments of the present disclosure;

FIG. 4 is a schematic structural diagram of a first gimbal, a second gimbal, and a third gimbal provided in some embodiments of the present application;

FIG. 5 is a schematic structural view of a guide shoe provided in some embodiments of the present application;

FIG. 6 is an exploded view of a product securement assembly provided in accordance with certain embodiments of the present application;

fig. 7 is a schematic structural diagram of an angle adjustment assembly according to some embodiments of the present disclosure.

In fig. 1-7:

1 is angle adjusting element, 11 is the fagging, 111 is the arc structure, 1111 is the pinhole, 112 is the fixed plane, 12 is the base, 121 is the through-hole, 2 is the guide holder, 21 is the main part, 22 is first universal joint, 23 is the second universal joint, 3 is product fixed subassembly, 31 is the bottom plate, 311 is the joint arch, 32 is the apron, 321 is the draw-in groove, 322 is the portion of compressing tightly, 33 is the third universal joint, 4 is the initiative branch, 5 is the driven branch, 6 is the product, 7 is the fixed cover, 71 is the connecting hole, 8 is first sleeve, 9 is the second sleeve.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The core of this application is to provide a rotatory tool, place this rotatory tool in the PVD stove when carrying out the coating film through vacuum physical vapor deposition, the fixed subassembly of product can produce the beat for initiative branch when driving the pivoted by initiative branch, thereby increased the degree of freedom of the product in the coating film in-process that is fixed in the fixed subassembly of product, the coating film effect on messenger's product surface is more even, the uniformity of coating film thickness is improved, avoid the condition of the heterochrosis because of the coating film thickness is uneven and appears, improve the homogeneity of vacuum physical vapor deposition coating film in-process cambered surface and irregular surface coating film thickness.

Please refer to fig. 1 to 7.

The rotary jig in the application document can be suitable for coating of products such as annular shells, mobile phone parts, watch parts and the like with curved surfaces or irregular surfaces in vacuum physical vapor deposition coating.

As shown in fig. 1 to 3, the present embodiment provides a rotary jig, including: the guide seat 2 is attached to and rotatably arranged on the fixed plane 112, and the guide seat 2 is provided with a first universal joint 22 and a second universal joint 23; the driving support rod 4 is used for driving the guide seat 2 to rotate in a plane parallel to the fixed plane 112, the driving support rod 4 is rotatably connected to the guide seat 2 through a first universal joint 22, and the driving support rod 4 and the fixed plane 112 have included angles which are not 0 degree and not 90 degrees; the power piece is connected with the driving support rod 4 so as to drive the driving support rod 4 to rotate; the driven support rod 5 is connected with the guide seat 2 through a second universal joint 23; the product fixing component 3 is used for fixing a product 6 to be coated, and is provided with at least two third universal joints 33 which are respectively and correspondingly connected with the driving support rod 4 and the driven support rod 5, and when the driving support rod 4 rotates, the product fixing component 3 is driven by the driving support rod 4 to rotate and swings relative to the driving support rod 4.

It should be noted that the driving strut 4 is connected to the guide seat 2 through the first universal joint 22, but the first universal joint 22 does not have a rotational degree of freedom coaxial with the driving strut 4, so that the driving strut 4 can drive the guide seat 2 to rotate in the process of rotating the driving strut 4; the active strut 4 is connected to the product securing assembly 3 by a third universal joint 33, but the third universal joint 33 does not have a rotational degree of freedom coaxial with the active strut 4, so that the active strut 4 can drive the securing assembly 3, which is equipped with the product 6, to rotate in the process of rotation of the active strut 4.

Rotatory tool relies on gravity to realize rotating, just enables the universal joint and plays a role, when initiative branch 4 and fixed plane 112 have 0 or 90 contained angles, the fixed subassembly 3 that is equipped with product 6 can not realize the beat for initiative branch 4, can't provide the power of circumference, so initiative branch 4 has non-0 and non-90 contained angles with fixed plane 112 in this application.

In the actual vacuum physical vapor deposition coating process, a plurality of product fixing assemblies 3 are generally connected to the active support rod 4, and of course, one or two product fixing assemblies 3 may be connected to the active support rod 4 according to actual conditions.

The first gimbal 22, the second gimbal 23, and the third gimbal 33 may have the same structure or different structures, and are determined according to actual situations.

In the process of using the rotary jig provided by the present embodiment, firstly, the product 6 needs to be fixed to the product fixing component 3, the product fixing component 3 is connected to the driving support rod 4 through the third universal joint 33, then the whole rotary jig is placed in the PVD furnace, and the structure in the PVD furnace drives the rotary jig to revolve; the power part drives the driving support rod 4 to rotate around the central axis of the driving support rod 4, the driving support rod 4 drives the product fixing component 3 to rotate in a plane parallel to the fixing plane 112 in the rotating process, the guide seat 2 deflects relative to the driving support rod 4 under the influence of the fixing plane 112 because the driving support rod 4 and the fixing plane 112 have included angles of not 0 degrees and not 90 degrees, the driven support rod 5 is connected with the guide seat 2 through the second universal joint 23 and is connected with the product 6 fixing device through the third universal joint 33, so the guide seat 2 drives the driven support rod 5 to move relative to the driving support rod 4 in the deflecting process relative to the driving support rod 4, the driven support rod 5 drives the product fixing component 3 to deflect relative to the driving support rod 4, and the product fixing component 3 deflects relative to the driving support rod 4 while rotating around the driving support rod 4, so that the products 6 in the product fixing assembly 3 are deflected while rotating around the driving strut 4. Specifically, as shown in fig. 2 and 3, fig. 2 is a schematic structural view of the rotary jig when the rotary jig rotates to one angle, and fig. 3 is a schematic structural view of the rotary jig when the rotary jig rotates to another angle, it can be seen that the driven support rod 5 in fig. 3 moves downward along the axial direction in the process of rotating along with the guide disc 2, and drives the product fixing assembly 3 to swing relative to the driving support rod 4.

The rotating jig provided by the specific embodiment can enable the product 6 to deflect relative to the active supporting rod 4 while rotating around the active supporting rod 4, so that the degree of freedom of the product 6 in the coating process is increased, the coating effect on the surface of the product 6 is more uniform, the consistency of the coating thickness is improved, the condition of different colors caused by uneven coating thickness is avoided, and the uniformity of the coating thickness of the arc surface and the irregular surface in the vacuum physical vapor deposition coating process is improved.

It should be noted that, in this embodiment, the driving strut 4 and the driven strut 5 may be disposed in parallel or in non-parallel, which is determined according to the actual situation. When the product fixing component 3 is installed on the active support rod 4, the product fixing component 3 can be parallel to the guide seat 2, and when the active support rod 4 rotates, the product fixing component 3 can always be parallel to the guide seat 2; also can make fixed subassembly 3 of product and guide holder 2 nonparallel, the active branch 4 drives guide holder 2, the fixed subassembly 3 pivoted in-process of product, and the contained angle state when fixed subassembly 3 of product can remain all the time and install with guide holder 2 is unchangeable.

In one embodiment, as shown in fig. 4, each of the first universal joint 22, the second universal joint 23, and the third universal joint 33 includes a fixing sleeve 7, a first sleeve 8 rotatably disposed around the fixing sleeve 7, and a second sleeve 9 rotatably disposed around the first sleeve 8; the axis of rotation of the first sleeve 8 is perpendicular to the axis of rotation of the second sleeve 9. The axis of rotation of the second sleeve 9 is in the X-axis direction and the axis of rotation of the first sleeve 8 is in the Y-axis direction.

It should be noted that the first sleeve 8 and the second sleeve 9 may have a ring structure as shown in fig. 4, or may have a non-closed split ring structure, such as: the C-shaped structure is determined according to actual conditions.

As shown in fig. 4, the fixing sleeve 7 is provided with a connecting hole 71, pin holes matched with the connecting hole 71 can be provided in the driving strut 4 and the driven strut 5, the fixing sleeve 7 is sleeved and connected to the driving strut 4 or the driven strut 5, and the fixing sleeve 7 and the driving strut 4 or the driven strut 5 are axially fixed by a pin.

In order to enable the fixing sleeve 7 to rotate smoothly relative to the first sleeve 8 and the second sleeve 9, the second sleeve 9 and the first sleeve 8 can be arranged in a clearance manner along the axial direction of the second sleeve 9, and the clearance is 8mm-12 mm; and the heights of the first sleeve 8 and the second sleeve 9 are lower than that of the fixed sleeve 7, so that the fixed sleeve 7 is prevented from being influenced by the first sleeve 8 and the second sleeve 9 in the rotating process. As shown in fig. 4, the heights of the first sleeve 8 and the second sleeve 9 may be the same, or the heights of the first sleeve 8 and the second sleeve 9 may be different, which is determined according to actual conditions.

First universal joint 22, second universal joint 23, third universal joint 33's in this embodiment simple structure can directly print first universal joint 22, second universal joint 23, third universal joint 33 through 3D printing apparatus, and the course of working is convenient.

The process of 3D printing the first gimbal 22, the second gimbal 23, and the third gimbal 33 in this embodiment is as follows: after a three-dimensional drawing file is determined, the three-dimensional models of the first universal joint 22, the second universal joint 23 and the third universal joint 33 are sliced and subjected to discrete processing to form an STL file, laser path planning and laser parameter setting are carried out aiming at a discrete layer, 18Ni300 die steel metal powder is used in the scheme, the laser power is 185W-235W, the scanning speed is 1000mm/s-1200mm/s, the layer thickness is 0.03mm, and the laser spot size is 100 mu m. 3D prints first universal joint 22, second universal joint 23, third universal joint 33 and need not the support, and integrated into one piece compares that traditional machine adds that the flow is few, the cycle is short, the complexity is high.

In a specific embodiment, the number of the product fixing assemblies 3 is at least two, and a plurality of the product fixing assemblies 3 are sequentially arranged along the axial direction of the driving strut 4 and have gaps; in order to fix the gap between adjacent product fixing assemblies 3 and avoid the product fixing assemblies 3 from irregularly swinging relative to the driving strut 4, as shown in fig. 1, a first universal joint 22 and two second universal joints 23 may be disposed on the guide base 2, and the rotation axes of at least two of the three are not collinear; the product fixing component 3 is provided with three third universal joints 33, and the rotating shafts of at least two of the three joints are not collinear; the number of the driving support rods 4 is one, the number of the driven support rods 5 is two, and the first universal joint 22, the second universal joint 23 and the third universal joint 33 are respectively sleeved on the corresponding driving support rods 4 and the corresponding driven support rods 5. In addition, the rotation axes of at least two of the first universal joint 22 and the two second universal joints 23 provided in the guide shoe 2 are not collinear, and the degree of freedom of the guide shoe 2 in rotation can be ensured. Three third universal joint 33 that the subassembly 3 was fixed to the product set up, and among the three at least rotation axis between them is not the collineation, can guarantee the degree of freedom of the subassembly 3 is fixed to the product when rotating, makes the product 6 of fixed mounting can more even rotation on the subassembly 3 is fixed to the product, prevents the heterochrosis problem that the coating film thickness inequality of product 6 leads to. The rotation axis of the three may be a rotation axis in the X-axis direction, or a rotation axis in the Y-axis direction.

As shown in fig. 5, the guide holder 2 includes a main body portion 21, the first universal joint 22 and the second universal joint 23 are embedded in the main body portion 21, the second sleeve 9 of the first universal joint 22 and the second sleeve 9 of the second universal joint 23 are both connected to the main body portion 21, the driving strut 4 passes through the fixing sleeve 7 of the first universal joint 22 and is connected to the fixing sleeve 7, and the two driven struts 5 respectively pass through the corresponding fixing sleeves 7 of the second universal joint 23 and are connected to the fixing sleeves 7.

As shown in fig. 2, the plurality of product fixing assemblies 3 are parallel to each other and arranged with a gap, each product fixing assembly 3 is provided with three third universal joints 33, one of the third universal joints 33 is connected with the driving strut 4, and the other two third universal joints 33 are respectively connected with the driven strut 5.

In the actual coating process, the power part drives the active supporting rod 4 to rotate, the active supporting rod 4 rotates and simultaneously drives the guide seat 2 to rotate around the active supporting rod 4, because the guide seat 2 is attached to the fixed plane 112, and the active strut 4 and the fixed plane 112 have an included angle different from 0 degree and 90 degrees, therefore, during the rotation of the guide seat 2 around the driving strut 4, the guide seat is influenced by the fixed plane 112, when the first gimbal 22 and the second gimbal 23 in the shoe 2 are configured as shown in fig. 4, the first gimbal 22 is rotated about the rotation axes in the X-axis and Y-axis directions, so that the shoe 2 is rotated in a plane parallel to the fixed plane 112, meanwhile, the supporting rod is driven to rotate around the rotating shafts of the second universal joint 23 in the X-axis direction and the Y-axis direction relative to the second universal joint 23, so that the driven supporting rod 5 is always kept parallel to the driving supporting rod 4 and ascends or descends along the axial direction; in the process that the driven support rod 5 ascends or descends along the axial direction, when the structure is the third universal joint 33 in the product fixing assembly 3 as shown in fig. 4, the driven support rod 5 rotates around the X axis and the Y axis of the third universal joint 33 relative to the third universal joint 33, so that the product fixing assembly 3 keeps swinging consistent with the guide seat 2, the product fixing assembly 3 swings relative to the driving support rod 4 while rotating around the driving support rod 4, the product 6 swings relative to the driving support rod 4, and the degree of freedom of movement of the product 6 in the film coating process is increased.

In this embodiment, a plurality of products 6 can be coated simultaneously, and the uniform gap between the plurality of products 6 is ensured.

In one embodiment, as shown in FIG. 6, the product holding assembly 3 includes a base plate 31 and a cover plate 32 coupled to the base plate 31; the third universal joint 33 is connected to the base plate 31 or the cover plate 32; the cover plate 32 is provided with a pressing portion 322 for press-fixing the product 6 to the bottom plate 31; in fig. 6, the product 6 has a ring-shaped structure, and the pressing portion 322 may have a ring shape that is matched with the product 6.

As shown in fig. 6, the edge of one side of the bottom plate 31 facing the cover plate 32 is provided with a clamping protrusion 311, and one side of the cover plate 32 facing the bottom plate 31 is provided with a clamping groove 321 which is matched and clamped with the clamping protrusion 311.

In the assembling process, the product 6 is clamped between the bottom plate 31 and the cover plate 32, the bottom plate 31 and the cover plate 32 are clamped in a matching manner through the clamping protrusions 311 and the clamping grooves 321, the product 6 is pressed and fixed to the bottom plate 31 by the pressing portion 322 in the clamping state of the bottom plate 31 and the cover plate, and the surface of the product 6 needing to be coated is exposed.

The product fixing component 3 in the embodiment makes the fixing mode of the product 6 simple and convenient to operate.

In one embodiment, as shown in fig. 7, the rotating jig includes an angle adjusting assembly 1, the angle adjusting assembly 1 includes a base 12 and a supporting plate 11 rotatably connected to the base 12; the surface of the bracing plate 11 facing the guide seat 2 is a fixed plane 112.

The side, away from the guide seat 2, of the supporting plate 11 is provided with two arc-shaped structures 111, a plurality of pin holes 1111 are formed in the arc direction of the arc-shaped structures 111, and the base 12 is provided with through holes 121 matched with the pin holes 1111 and positioning pins detachably inserted into the through holes 121 and the pin holes 1111; the rotation angle of the supporting plate 11 relative to the base 12 is more than 0 degree and less than 90 degrees.

In the using process, after the positioning pin is detached, the supporting plate 11 can rotate relative to the base 12, and after the positioning pin rotates to a proper angle, the positioning pin is inserted into the through hole 121 and the pin hole 1111, so that the supporting plate 11 is fixed relative to the base 12, and the fixing plane 112 has a certain inclination angle; the inclination angle of the fixing plane 112 affects the deflection angle of the product fixing component 3 relative to the active support rod 4, and when coating is performed on different products 6, the deflection angle of the product 6 relative to the active support rod in the coating process can be adjusted by adjusting the inclination angle of the fixing plane 112.

The references to "first", "second" and "third" in the first joint 22, the second joint 23 and the third joint 33, and in the first sleeve 8 and the second sleeve 9 are only used to distinguish the difference in position and are not meant to be sequential.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. Any combination of all the embodiments provided by the present application is within the scope of the present invention, and is not described herein.

The rotating jig provided by the present application is described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

Claims

1. A rotary jig, comprising:

the guide seat (2) is attached to and rotatably arranged on the fixed plane (112), and the guide seat (2) is provided with a first universal joint (22) and a second universal joint (23);

the driving support rod (4) is used for driving the guide seat (2) to rotate in a plane parallel to the fixed plane (112), the driving support rod (4) is rotatably connected to the guide seat (2) through the first universal joint (22), and an included angle between the driving support rod (4) and the fixed plane (112) is not 0 degree and not 90 degrees;

the driven support rod (5) is connected with the guide seat (2) through the second universal joint (23);

the product fixing assembly (3) is used for fixing a product (6) to be coated, and the product fixing assembly (3) is provided with at least two third universal joints (33) which are respectively and correspondingly connected with the driving support rod (4) and the driven support rod (5); when the driving support rod (4) rotates to drive the guide seat (2) to rotate in a plane parallel to the fixed plane (112), the product fixing component (3) is driven by the driving support rod (4) to rotate and swing relative to the driving support rod (4).

2. The rotary jig of claim 1, wherein the first universal joint (22), the second universal joint (23) and the third universal joint (33) each comprise a fixed sleeve (7), a first sleeve (8) rotatably sleeved on the periphery of the fixed sleeve (7) and a second sleeve (9) rotatably sleeved on the periphery of the first sleeve (8);

the axis of rotation of the first sleeve (8) is perpendicular to the axis of rotation of the second sleeve (9).

3. The rotary fixture according to claim 2, characterized in that the first sleeve (8) and the second sleeve (9) are both lower in height than the fixed sleeve (7).

4. The rotary jig according to claim 2, characterized in that the number of the product fixing assemblies (3) is at least two, and a plurality of the product fixing assemblies (3) are sequentially arranged along the axial direction of the driving support rod (4) and have gaps;

the guide seat (2) is provided with one first universal joint (22) and two second universal joints (23), and the rotating shafts of at least two of the first universal joint and the second universal joint are not collinear;

the product fixing component (3) is provided with three third universal joints (33), and the rotating shafts of at least two of the three universal joints are not collinear;

the quantity of initiative branch (4) is one, the quantity of driven branch (5) is two, just first universal joint (22) second universal joint (23) third universal joint (33) overlap respectively establish connect in corresponding initiative branch (4) driven branch (5).

5. The rotary jig according to claim 4, wherein the guide holder (2) comprises a main body portion (21), the first universal joint (22) and the second universal joint (23) are embedded in the main body portion (21), and the second sleeve (9) of the first universal joint (22) and the second sleeve (9) of the second universal joint (23) are both connected with the main body portion (21).

6. The rotary jig according to any one of claims 1 to 5, characterized in that the product fixing assembly (3) comprises a bottom plate (31) and a cover plate (32) connected with the bottom plate (31);

the third universal joint (33) is connected to the base plate (31) or the cover plate (32);

the cover plate (32) is provided with a pressing portion (322) for pressing and fixing the product (6) to the base plate (31).

7. The rotary jig of claim 6, wherein the edge of one side of the bottom plate (31) facing the cover plate (32) is provided with a clamping protrusion (311), and one side of the cover plate (32) facing the bottom plate (31) is provided with a clamping groove (321) matched and clamped with the clamping protrusion (311).

8. The rotary jig according to any one of claims 1 to 5, characterized by further comprising a base (12), wherein the base (12) is provided with a supporting plate (11) in a reversible manner, and the upper plane of the supporting plate (11) is the fixing plane (112) for supporting the guide base (2).

9. The rotary jig of claim 8, wherein an arc-shaped structure (111) is arranged on one side of the supporting plate (11) close to the base (12), a plurality of pin holes (1111) are arranged along the arc direction of the arc-shaped structure (111), and the base (12) is provided with through holes (121) matched with the pin holes (1111) and positioning pins detachably inserted into the through holes (121) and the pin holes (1111).

10. The rotary jig of claim 8, wherein the rotation angle of the bracing plate (11) relative to the base (12) is greater than 0 ° and less than 90 °.