Rack transmission system and continuous coating assembly line

Abstract

The utility model provides a material rack transmission system and a continuous coating assembly line, relates to the technical field of coating equipment, and aims to optimize the structure of the material rack transmission system to a certain extent and improve the integration level and the positioning accuracy of the material rack transmission system. The utility model provides a material rack transmission system which comprises a material rack mechanism and a driving mechanism. The material frame mechanism comprises a frame body assembly, a transmission assembly and a linkage block, the frame body assembly comprises a positioning frame and a rod body, the rod body is erected on the positioning frame and can rotate relative to the positioning frame, the transmission assembly is connected with the positioning frame, the input end of the transmission assembly is connected with the linkage block, and the output end of the transmission assembly is in butt joint with one end of the rod body; the driving mechanism comprises a driving assembly and a positioning assembly, a positioning space is formed in the positioning assembly, the linkage block can enter the positioning space to be connected with the positioning assembly in a clamped mode, and the output end of the driving assembly is connected with the positioning assembly to drive the positioning assembly to rotate.

Description

Technical Field

[0001] This utility model relates to the field of coating equipment technology, and in particular to a material rack transmission system and a continuous coating production line. Background Technology

[0002] Continuous coating production lines can transform the original large-volume, long-duration coating operation of multiple rods into small-volume, short-duration coating operations of a single rod. Compared with multi-rod coating, this not only improves the coating effect but also increases work efficiency to a certain extent.

[0003] However, in current continuous coating production lines, the positioning of the material rack and the transmission of the hanging rod are mostly independent structures. That is, the positioning of the material rack is one structure, while the rotation of the hanging rod is another structure. This results in low equipment integration, leading to increased structural complexity, larger size, and increased space occupation of each coating unit in the production line.

[0004] Therefore, there is an urgent need to provide a material rack transmission system and a continuous coating production line to solve the problems existing in the prior art to a certain extent. Utility Model Content

[0005] The purpose of this invention is to provide a material rack transmission system and a continuous coating production line, so as to optimize the structure of the material rack transmission system to a certain extent and improve the integration and positioning accuracy of the material rack transmission system.

[0006] This utility model provides a material rack transmission system, including a material rack mechanism and a drive mechanism. The material rack mechanism includes a frame assembly, a transmission assembly, and a linkage block. The frame assembly includes a positioning frame and a rod. The rod is mounted on the positioning frame and can rotate relative to the positioning frame. The transmission assembly is connected to the positioning frame, and its input end is connected to the linkage block, while its output end is connected to one end of the rod. The drive mechanism includes a drive assembly and a positioning assembly. The positioning assembly forms a positioning space, and the linkage block can enter the positioning space and engage with the positioning assembly. The output end of the drive assembly is connected to the positioning assembly, driving the positioning assembly to rotate.

[0007] The positioning component includes a positioning block, which has an opening communicating with the positioning space, allowing the linkage block to enter the positioning space through the opening; the linkage block has two parallel first straight edges, and the positioning block has a second straight edge corresponding to the first straight edges of the linkage block, with the first straight edge and the second straight edge fitting together.

[0008] Specifically, the positioning block has a guide portion formed at the position corresponding to the opening, and the guide portion retracts into the positioning space to guide the linkage block into the positioning space.

[0009] The drive assembly includes a first drive member and an output shaft. One end of the output shaft is connected to the output end of the first drive member, and the other end is connected to the positioning block.

[0010] Specifically, the material rack transmission system provided by this utility model further includes a sealing mechanism. The sealing mechanism is arranged along the extension direction of the output shaft and forms a sealing space. The output shaft is sealed to the sealing mechanism and can rotate relative to the sealing mechanism.

[0011] The material rack transmission system provided by this utility model also includes a pushing mechanism. The pushing mechanism is located at the end of the positioning frame away from the driving mechanism, and the end of the positioning frame away from the linkage block has an abutting part. The pushing end of the pushing mechanism can move towards or away from the abutting part and push the abutting part, so that the positioning frame moves towards the driving mechanism.

[0012] Specifically, the pushing mechanism includes a pushing block and a second driving component, wherein the telescopic end of the second driving component is connected to the pushing block to drive the pushing block to move.

[0013] Furthermore, the pushing mechanism also includes a connector, a positioning seat, and a limiting member; the pushing block is L-shaped, with one end being a connecting end and the other end being a pushing end, and a limiting hole is formed between the connecting end and the pushing end; the positioning seat is connected to the second driving member, and the connecting end is rotatably connected to the positioning seat; one end of the connector is connected to the telescopic end of the second driving member, and the other end is connected to the limiting member; the limiting hole is oblong, and the limiting member is disposed within the limiting hole, and the limiting member can move within the limiting hole so that the pushing end can move towards or away from the abutment portion.

[0014] Furthermore, the positioning frame includes a positioning plate, a first bracket, and a second bracket; the first bracket and the second bracket are disposed opposite to each other at both ends of the positioning frame, and one end of the rod is rotatably connected to the first bracket and the other end is rotatably connected to the second bracket.

[0015] Compared with the prior art, the material rack transmission system provided by this utility model has the following advantages:

[0016] The material rack transmission system provided by this utility model includes a material rack mechanism and a drive mechanism. The material rack mechanism includes a frame assembly, a transmission assembly, and a linkage block. The frame assembly includes a positioning frame and a rod. The rod is mounted on the positioning frame and can rotate relative to the positioning frame. The transmission assembly is connected to the positioning frame, and the input end of the transmission assembly is connected to the linkage block, while the output end is connected to one end of the rod. The drive mechanism includes a drive assembly and a positioning assembly. The positioning assembly forms a positioning space, and the linkage block can enter the positioning space and engage with the positioning assembly. The output end of the drive assembly is connected to the positioning assembly, driving the positioning assembly to rotate.

[0017] Analysis shows that the positioning frame provides a mounting base for the rod and transmission components. The positioning space formed by the positioning components, and the connection between the output end of the drive component and the positioning component, allows the driving component to rotate the positioning component. Since the output end of the transmission component in this application is connected to the linkage block, and the linkage block can enter the positioning space and engage with the positioning component, the rotation of the positioning component can drive the linkage block to rotate. Since the linkage block in this application is connected to the input end of the transmission component, and the output end of the transmission component is connected to one end of the rod, the rotation of the linkage block can drive the transmission component to rotate, thereby driving the rod to rotate.

[0018] It is understood that the rod in this application is used to support the material to be coated. Therefore, the rotation of the rod can drive the material to be supported to rotate, thereby achieving the purpose of uniform etching, cleaning and coating of the material.

[0019] Furthermore, since the positioning component provided in this application forms a positioning space, when the linkage block moves with the positioning frame and enters the positioning space, it cannot continue to move under the limiting action of the positioning component, thus preventing the positioning frame from advancing further and achieving accurate positioning of the positioning frame. Since power transmission is also achieved through the cooperation of the positioning component and the linkage block after positioning, the material rack transmission system provided in this application can integrate positioning and power transmission into a single structure, greatly reducing structural complexity, simplifying operational logic, and minimizing space occupation. This allows for a reduction in the overall size of the coating unit, making the structure more streamlined and reducing manufacturing and maintenance costs.

[0020] In addition, this utility model also provides a continuous coating production line, including multiple coating units and the above-mentioned material rack transmission system, wherein the material rack transmission system is provided in each of the multiple coating units.

[0021] The continuous coating production line using the rack drive system provided in this application ensures the accuracy of the rack mechanism's movement process because each coating unit is equipped with a rack drive system. At the same time, the rack drive system has a higher degree of integration and therefore a smaller relative size, which reduces the size of each coating unit, improves space utilization, and reduces the overall space occupation of the production line. Attached Figure Description

[0022] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0023] Figure 1 A schematic diagram of the drive mechanism and the material rack mechanism in the material rack transmission system provided in this embodiment of the utility model;

[0024] Figure 2 for Figure 1 A magnified view of a section at point A in the middle;

[0025] Figure 3 A schematic diagram illustrating the engagement of the positioning block and the linkage block in the material rack transmission system provided in this embodiment of the utility model;

[0026] Figure 4 A schematic diagram of the pushing mechanism in the material rack transmission system provided in this embodiment of the utility model.

[0027] In the figure: 1-positioning frame; 101-positioning plate; 1011-abutting part; 102-first bracket; 103-second bracket; 2-rod; 201-meshing wheel; 3-transmission assembly; 301-bevel gear transmission component; 4-linkage block; 401-first straight edge; 5-first driving component; 6-positioning block; 601-second straight edge; 602-guide part; 603-positioning space; 7-output shaft; 8-sealing mechanism; 9-push block; 901-connecting end; 902-limiting hole; 903-push end; 10-second driving component; 1001-telescopic shaft; 11-connector; 12-positioning seat; 13-limiting component; 14-positioning sensing assembly. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application.

[0029] In the description of the embodiments of this application, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0030] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," not that the structure must be completely horizontal, but can be slightly tilted.

[0031] In the description of the embodiments of this application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] As used herein, the term “and / or” includes any one of the relevant items listed and any combination of any two or more items.

[0033] For ease of description, spatial relation terms such as “above,” “upper,” “below,” and “lower” may be used herein to describe the relationship between one element and another as shown in the accompanying drawings. Such spatial relation terms are intended to include not only the orientation depicted in the drawings but also the different orientations of the device during use or operation.

[0034] The terminology used herein is for the purpose of describing various examples only and is not intended to limit this disclosure. Unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. The terms “comprising,” “including,” and “having” enumerate the stated features, quantities, operations, components, elements, and / or combinations thereof, but do not exclude the presence or addition of one or more other features, quantities, operations, components, elements, and / or combinations thereof.

[0035] Variations in the shapes shown in the accompanying drawings may occur due to manufacturing techniques and / or tolerances. Therefore, the examples described herein are not limited to the specific shapes shown in the accompanying drawings, but include changes in shape that may occur during manufacturing.

[0036] The features of the examples described herein can be combined in various ways that will be apparent upon understanding the disclosure of this application. Furthermore, although the examples described herein have various constructions, other constructions are possible, as will be apparent upon understanding the disclosure of this application. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis that they can be implemented by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application.

[0037] like Figures 1-3 As shown, this utility model provides a material rack transmission system, including a material rack mechanism and a drive mechanism. The material rack mechanism includes a frame assembly, a transmission assembly 3, and a linkage block 4. The frame assembly includes a positioning frame 1 and a rod 2. The rod 2 is mounted on the positioning frame 1 and can rotate relative to the positioning frame 1. The transmission assembly 3 is connected to the positioning frame 1, and the input end of the transmission assembly 3 is connected to the linkage block 4, while the output end is connected to one end of the rod 2. The drive mechanism includes a drive assembly and a positioning assembly. The positioning assembly forms a positioning space 603. The linkage block 4 can enter the positioning space 603 and engage with the positioning assembly. The output end of the drive assembly is connected to the positioning assembly, driving the positioning assembly to rotate.

[0038] Compared with the prior art, the material rack transmission system provided by this utility model has the following advantages:

[0039] The material rack transmission system provided by this utility model provides an installation base for the rod body 2 and the transmission component 3 through the positioning frame 1. The positioning space 603 formed by the positioning component is connected to the output end of the drive component, so that the positioning component can be driven to rotate through the drive component. Since the output end of the transmission component 3 in this application is connected to the linkage block 4, and the linkage block 4 can enter the positioning space 603 and engage with the positioning component, when the positioning component rotates, it can drive the linkage block 4 to rotate. Since the linkage block 4 in this application is connected to the input end of the transmission component 3, and the output end of the transmission component 3 is connected to one end of the rod body 2, when the linkage block 4 rotates, it can drive the transmission component 3 to rotate, thereby driving the rod body 2 to rotate.

[0040] It is understood that the rod 2 in this application is used to support the material to be coated. Therefore, the rotation of the rod 2 can drive the material to be supported to rotate, thereby achieving the purpose of uniform etching, cleaning and coating of the material.

[0041] Furthermore, since the positioning component provided in this application forms the positioning space 603, when the linkage block 4 moves with the positioning frame 1 and enters the positioning space 603, it cannot continue to move under the limiting effect of the positioning component, thus preventing the positioning frame 1 from advancing further and achieving accurate positioning of the positioning frame 1. Since power transmission is also achieved through the cooperation of the positioning component and the linkage block 4 after positioning, the material rack transmission system provided in this application can integrate positioning and power transmission into a single structure, greatly reducing structural complexity, simplifying operational logic, and minimizing space occupation. This allows for a reduction in the overall size of the coating unit, making the structure more streamlined and reducing manufacturing and maintenance costs.

[0042] It should be further explained here that the transmission component 3 in this application mainly includes a bevel gear transmission component 301 and an output gear, and the bevel gear transmission component 301 in this application includes two meshing bevel gears. Correspondingly, one end of the rod 2 is connected to a meshing wheel 201, which meshes with the output gear. The two bevel gears can realize the change of direction. That is, the first bevel gear in this application is connected to the linkage block 4, and the second bevel gear is connected to the output gear. The first bevel gear and the second bevel gear mesh with each other, thereby converting the rotational power of the drive component in the horizontal direction to the rotation in the vertical direction. Thus, the rotation of the rod 2 is realized by the meshing of the output gear and the meshing wheel 201.

[0043] The transmission component 3 described above in this application can be mounted on a mounting base in the cavity of the coating unit to support the transmission component 3, thereby realizing the change of the power direction of the drive component and the transmission of power.

[0044] Optionally, such as Figures 1-3As shown, the positioning component includes a positioning block 6, which has an opening communicating with the positioning space 603, allowing the linkage block 4 to enter the positioning space 603 through the opening; the linkage block 4 has two parallel first straight edges 401, and the positioning block 6 has a second straight edge 601 corresponding to the first straight edge 401 of the linkage block 4, with the first straight edge 401 and the second straight edge 601 fitting together.

[0045] The opening formed by the positioning block 6 allows the linkage block 4 to enter the positioning space 603. By making the linkage block 4 form two parallel first straight edges 401, the positioning block 6 correspondingly forms a second straight edge 601, thereby forming an approximately rectangular positioning space 603. This can prevent relative movement between the linkage block 4 and the positioning block 6 and avoid the problem of free rotation when the positioning block 6 rotates and drives the linkage block 4.

[0046] Optionally, such as Figure 3 As shown, the positioning block 6 in this application has a guide portion 602 formed at the position corresponding to the opening. The guide portion 602 retracts into the positioning space 603 to guide the linkage block 4 into the positioning space 603.

[0047] In this application, the positioning block 6 is U-shaped. Therefore, the guide portion 602 formed at the corresponding position of the opening can play a guiding role when the linkage block 4 enters the positioning space 603, ensuring that the linkage block 4 can smoothly enter the positioning space 603 and that the first straight edge portion 401 of the linkage block 4 fits against the second straight edge portion 601 of the positioning block 6.

[0048] Optionally, such as Figure 1 As shown, the drive assembly in this application includes a first drive member 5 and an output shaft 7. One end of the output shaft 7 is connected to the output end of the first drive member 5, and the other end is connected to the positioning block 6.

[0049] The first driving component 5 in this application is a motor. Power transmission can be realized through the connection between the motor output end and the output shaft 7. The first driving component 5 in this application can be set outside the coating chamber of the coating unit, and the power is introduced by the output shaft 7 to realize the rotation of the rod 2.

[0050] Accordingly, such as Figure 1 As shown, the material rack transmission system provided by this utility model also includes a sealing mechanism 8. The sealing mechanism 8 is arranged along the extension direction of the output shaft 7 and forms a sealing space. The output shaft 7 is sealed to the sealing mechanism 8 and can rotate relative to the sealing mechanism 8.

[0051] Since the output shaft 7 needs to enter the coating chamber in this application, and the chamber is in a vacuum state during the coating operation, in order to avoid the output shaft 7 affecting the vacuum degree of the coating chamber, this application provides a sealing mechanism 8 on the output shaft 7 to achieve sealing and relative rotation of the output shaft 7, thereby ensuring the vacuum degree of the coating chamber.

[0052] Optionally, such as Figure 4 As shown, the material rack transmission system provided by this utility model also includes a pushing mechanism. The pushing mechanism is located at the end of the positioning frame 1 away from the driving mechanism, and the end of the positioning frame 1 away from the linkage block 4 forms an abutment portion 1011. The pushing end 903 of the pushing mechanism can move towards or away from the abutment portion 1011 and push the abutment portion 1011, so that the positioning frame 1 moves towards the driving mechanism.

[0053] In this embodiment, the pushing mechanism in this application can adopt a linear telescopic structure, that is, the pushing end 903 can be moved toward or away from the contact part 1011 by using a telescopic structure such as a hydraulic cylinder or a pneumatic cylinder, thereby realizing the movement of the pushing positioning frame 1 in the horizontal direction.

[0054] It should be further explained here that the positioning block 6 in this application is provided with a positioning sensing component 14, which includes a connecting bolt, a spring, a baffle, and a pressure sensor. The connecting bolt is connected to the positioning block 6, the spring is sleeved on the connecting bolt and located in the positioning space 603, and the baffle is connected to one end of the spring. When the linkage block 4 enters the positioning space 603, it can abut against the baffle. As the pushing mechanism pushes continuously, the linkage block 4 can continuously apply pressure to the baffle, causing the spring to be compressed. The pressure sensor can be set on the side of the baffle that is in contact with the linkage block 4, so that the pressure value can be obtained through the pressure sensor, and then the position of the linkage block 4 can be determined by the pressure value, thus ensuring the overall transmission stability.

[0055] Understandably, since the material rack transmission system in this application is mainly used in continuous coating production lines, the material rack mechanism shuttles through multiple coating units during operation. Taking one coating unit as an example, when the material rack mechanism enters through the inlet of the coating unit, the opening of the positioning block 6 faces the inlet of the coating unit. When the linkage block 4 enters the positioning space 603 and abuts against the baffle, the first drive component 5 is activated, controlling the positioning block 6 to rotate 180°. The linkage block 4 follows the rotation of the positioning block 6. At this time, the push mechanism is activated to push the positioning frame 1, ensuring that the linkage block 4 can be located within the positioning space 603. Afterward, the first drive component 5 is fully activated to output power, realizing the rotation of the rod 2.

[0056] When the operation is completed, the first driving component 5 stops, and the positioning block 6 in this application stops on the side of the opening away from the inlet of the coating unit, that is, the positioning block 6 stops at the position rotated 180° from the initial state, so that the linkage block 4 can be disengaged from the positioning space 603, thereby realizing the removal of the entire material rack mechanism.

[0057] Optionally, such as Figure 4 As shown, the pushing mechanism in this application includes a pushing block 9 and a second driving member 10. The telescopic end of the second driving member 10 is connected to the pushing block 9 to drive the pushing block 9 to move.

[0058] The second driving component 10 in this application can adopt a telescopic structure such as a cylinder or a hydraulic cylinder. The push block 9 can be directly connected to the telescopic shaft 1001 of the second driving component 10 to realize the movement of the push block 9, thereby realizing the movement of the positioning frame 1.

[0059] In the preferred embodiment of this application, such as Figure 4 As shown, the pushing mechanism also includes a connector 11, a positioning seat 12, and a limiting member 13; the pushing block 9 is L-shaped, with one end of the pushing block 9 being a connecting end 901 and the other end being a pushing end 903, and a limiting hole 902 is formed between the connecting end 901 and the pushing end 903; the positioning seat 12 is connected to the second driving member 10, and the connecting end 901 is rotatably connected to the positioning seat 12; one end of the connector 11 is connected to the telescopic shaft 1001 of the second driving member 10, and the other end is connected to the limiting member 13; the limiting hole 902 is an oblong hole, and the limiting member 13 is disposed in the limiting hole 902, and the limiting member 13 can move within the limiting hole 902 so that the pushing end 903 can move toward or away from the abutment part 1011.

[0060] The connector 11 in this application is used to connect the telescopic shaft 1001 of the second drive member 10 to the push block 9. In actual assembly, the end of the connector 11 away from the second drive member 10 is connected to the limiting member 13. The push block 9 in this application is L-shaped, and a waist-shaped limiting hole 902 is formed in the middle position. The limiting member 13 can move within the limiting hole 902.

[0061] By connecting the connecting end 901 of the push block 9 to the positioning seat 12, when the telescopic shaft 1001 of the second drive member 10 extends or retracts, the push block 9 can rotate around the connecting end 901, thereby enabling the push end 903 of the push block 9 to rotate towards or away from the abutment part 1011. As the telescopic shaft 1001 extends continuously, the push end 903 can push the abutment part 1011, realizing the movement of the entire material rack mechanism, so that the linkage block 4 can enter the positioning space 603.

[0062] Optionally, such as Figure 1As shown, the positioning frame 1 in this application includes a positioning plate 101, a first bracket 102 and a second bracket 103; the first bracket 102 and the second bracket 103 are disposed opposite to each other at both ends of the positioning frame 1, and one end of the rod 2 is rotatably connected to the first bracket 102 and the other end is rotatably connected to the second bracket 103.

[0063] The positioning plate 101 provides a mounting base for the first bracket 102, the second bracket 103, and other aforementioned pushing and driving mechanisms, ensuring connection stability. Furthermore, the first bracket 102 and the second bracket 103, positioned relative to each other at both ends of the positioning frame 1, provide stable support for the rod 2, ensuring stable operation of the rod 2 carrying the workpiece to be coated during the coating process.

[0064] In addition, this utility model also provides a continuous coating production line, including multiple coating units and the aforementioned material rack transmission system, with each of the multiple coating units equipped with a material rack transmission system.

[0065] The continuous coating production line using the rack drive system provided in this application ensures the accuracy of the rack mechanism's movement process because each coating unit is equipped with a rack drive system. At the same time, the rack drive system has a higher degree of integration and therefore a smaller relative size, which reduces the size of each coating unit, improves space utilization, and reduces the overall space occupation of the production line.

[0066] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A material rack transmission system, characterized in that, Includes the material rack mechanism and the drive mechanism; The material rack mechanism includes a frame assembly, a transmission assembly, and a linkage block. The frame assembly includes a positioning frame and a rod. The rod is mounted on the positioning frame and can rotate relative to the positioning frame. The transmission assembly is connected to the positioning frame, and the input end of the transmission assembly is connected to the linkage block, while the output end is connected to one end of the rod. The driving mechanism includes a driving component and a positioning component. The positioning component forms a positioning space. The linkage block can enter the positioning space and engage with the positioning component. The output end of the driving component is connected to the positioning component, driving the positioning component to rotate.

2. The material rack transmission system according to claim 1, characterized in that, The positioning component includes a positioning block, which has an opening communicating with the positioning space, allowing the linkage block to enter the positioning space through the opening; The linkage block has two parallel first straight edges, and the positioning block has a second straight edge corresponding to the first straight edges of the linkage block. The first straight edge and the second straight edge are in contact with each other.

3. The material rack transmission system according to claim 2, characterized in that, The positioning block has a guide portion formed at the position corresponding to the opening. The guide portion retracts into the positioning space to guide the linkage block into the positioning space.

4. The material rack transmission system according to claim 2, characterized in that, The drive assembly includes a first drive member and an output shaft. One end of the output shaft is connected to the output end of the first drive member, and the other end is connected to the positioning block.

5. The material rack transmission system according to claim 4, characterized in that, It also includes a sealing mechanism, which is arranged along the extension direction of the output shaft and forms a sealing space. The output shaft is sealed to the sealing mechanism and is rotatable relative to the sealing mechanism.

6. The material rack transmission system according to claim 1, characterized in that, It also includes a pushing mechanism, which is disposed at the end of the positioning frame away from the driving mechanism, and the end of the positioning frame away from the linkage block has an abutment portion. The pushing end of the pushing mechanism can move toward or away from the abutment portion and push the abutment portion, causing the positioning frame to move toward the driving mechanism.

7. The material rack transmission system according to claim 6, characterized in that, The pushing mechanism includes a pushing block and a second driving component. The telescopic end of the second driving component is connected to the pushing block to drive the pushing block to move.

8. The material rack transmission system according to claim 7, characterized in that, The pushing mechanism also includes a connector, a positioning seat, and a limiting component; The push block is L-shaped, with one end being a connecting end and the other end being a pushing end. A limiting hole is formed between the connecting end and the pushing end. The positioning seat is connected to the second driving member. The connecting end is rotatably connected to the positioning seat. One end of the connecting member is connected to the telescopic end of the second driving member, and the other end is connected to the limiting member. The limiting hole is an oblong hole, the limiting member is disposed in the limiting hole, and the limiting member can move within the limiting hole so that the pushing end can move toward or away from the abutting part.

9. The material rack transmission system according to claim 1, characterized in that, The positioning frame includes a positioning plate, a first bracket, and a second bracket; The first bracket and the second bracket are disposed opposite to each other at both ends of the positioning frame, and one end of the rod is rotatably connected to the first bracket and the other end is rotatably connected to the second bracket.

10. A continuous coating production line, characterized in that, It includes multiple coating units and a material rack transmission system as described in any one of claims 1-9, wherein the material rack transmission system is provided in each of the multiple coating units.

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