Vacuum coating continuous production line

Abstract

The utility model discloses a vacuum coating continuous production line, which belongs to the field of coating equipment and comprises a vacuum coating chamber, a fixed cylinder and a transmission base are arranged in the vacuum coating chamber, the fixed cylinder is arranged at the top of the vacuum coating chamber, the transmission base is arranged at the bottom of the vacuum coating chamber, and a jacking rotating component is further arranged at the bottom of the vacuum coating chamber. The jacking rotating component corresponds to the fixed cylinder in position, and the revolution rotating workpiece frame moves on the conveying base through the conveying bottom plate. And the jacking rotating part can jack up the revolution and rotation workpiece frame conveyed on the conveying base, so that the top of the revolution and rotation workpiece frame is embedded into the fixed cylinder, and the revolution and rotation workpiece frame is driven to perform revolution and rotation, so that workpiece coating is completed. And after film coating is completed, the revolution rotation workpiece frame is placed on the conveying bottom plate again and conveyed to the next cavity, and complete process circulation of the workpiece is achieved. When the vacuum coating device is used for processing and producing coated parts, the vacuum coating chamber does not need to be vacuumized, heated, vacuum-broken and cooled frequently, so that the production efficiency is improved, the energy consumption is greatly reduced, and the cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of coating equipment, and specifically relates to a vacuum coating continuous production line. BACKGROUND

[0002] Hardware decoration parts, cutters and the like are mostly produced by single-chamber vacuum coating machines with common and self-rotating workpiece racks in PVD coating, and cannot be continuously produced in large quantities with multiple layers and multiple types of films. The production process is generally as follows: first, open the door of the coating machine, place the workpieces on the product hanging rods that can rotate commonly and self-rotating, then install the hanging rods on the workpiece racks, close the door, perform a series of processes such as vacuumizing, starting the rotating workpiece racks, heating, target burning, coating, cooling, vacuum breaking, opening the door, and taking out the workpieces, and complete the coating of one batch of workpieces. Each batch has the steps of vacuumizing, vacuum breaking, heating, and cooling, which wastes the vacuumizing time and energy for repeated heating and cooling. SUMMARY

[0003] The utility model aims at providing a vacuum coating continuous production line to solve at least one problem in the background art.

[0004] The utility model provides a vacuum coating continuous production line, including vacuum coating chamber, be equipped with fixed cylinder and transmission base in the vacuum coating chamber, the fixed cylinder is located in the vacuum coating chamber top, transmission base is located in the vacuum coating chamber bottom, the vacuum coating chamber bottom still is equipped with jacking rotating part, jacking rotating part with fixed cylinder position corresponds, common and self-rotating workpiece rack moves on transmission base through transmission bottom plate.

[0005] Further scheme: the common and self-rotating workpiece rack includes a tray, a mounting disc, a central support rod and a plurality of support rods, the tray is provided with a slot on one side and a main gear on the other side, a plurality of slave gears meshing with the main gear are arranged on the outer periphery of the main gear, one end of the central support rod is connected to the center of the main gear, and the other end penetrates the mounting disc, the support rods are sleeved on the centers of the slave gears, one end of each support rod penetrates the slave gear and is connected to the tray, and the other end of each support rod is connected to the mounting disc.

[0006] Further scheme: one end of the central support rod penetrating the mounting disc is provided with a positioning block.

[0007] Further scheme: the support rods are uniformly provided with a plurality of hanging rods.

[0008] Further scheme: the side of the tray close to the main gear is provided with a first annular groove, the side of the main gear close to the tray is provided with a second annular groove corresponding to the first annular groove, and a plurality of balls are arranged between the first annular groove and the second annular groove.

[0009] Further scheme: the fixing cylinder comprises a base, a lower conical hole cylinder and a limiting block, the bottom of the base is provided with a lower conical hole arranged vertically, the hole diameter of the lower conical hole is large at both ends and small in the middle, the limiting block is assembled to the large hole diameter end of the lower conical hole away from the base through a connecting key, the connecting key penetrates the small hole diameter section of the lower conical hole and extends into the large hole diameter end close to the base, a spring is sleeved on the connecting key, and the spring and the limiting block are located at the same large hole diameter end of the lower conical hole.

[0010] Further scheme: the base is provided with an insulating block away from one end of the lower conical hole.

[0011] Further scheme: the jacking and rotating component comprises two guide rods arranged in parallel and two driving cylinders arranged in parallel, one end of the guide rod is connected to the vacuum coating chamber, the other end of the guide rod is connected to the mounting plate, the two driving cylinders arranged in parallel are connected to two ends of the mounting plate, the other end of the driving cylinder is fixed to the vacuum coating chamber, a servo motor is arranged in the middle of the mounting plate, the output shaft of the servo motor is connected with a transmission shaft, the flange located in the vacuum coating chamber is arranged at the end of the transmission shaft, the tray insulating pad is arranged on the flange away from the transmission shaft, and the latch is arranged on the tray insulating pad.

[0012] Further scheme: the jacking and rotating component is located outside the vacuum coating chamber, the transmission shaft penetrates the vacuum coating chamber and extends into the vacuum coating chamber, the sealing device is arranged at the position where the transmission shaft penetrates the vacuum coating chamber, and the sealing device is located outside the vacuum coating chamber.

[0013] Further scheme: the vacuum coating chamber is provided with an entering sheet chamber and a cleaning chamber on the front process side, and is provided with an exiting sheet buffer chamber and an exiting sheet chamber on the rear process side, the entering sheet chamber, the cleaning chamber, the exiting sheet buffer chamber and the exiting sheet chamber are all provided with a transmission base, and the transmission base is provided with a transmission wheel at the top and connected with a power mechanism.

[0014] Compared with the prior art, the vacuum coating chamber has the advantages that:

[0015] 1. The vacuum coating chamber is provided with corresponding jacking and rotating components and fixing cylinders, the jacking and rotating components can jack up the public and self-rotating workpiece frame transported on the transmission base, the public and self-rotating workpiece frame is embedded into the fixing cylinder at the top, the public and self-rotating workpiece frame can be driven to rotate, and the workpiece coating is completed. After the coating is completed, the jacking and rotating components can place the public and self-rotating workpiece frame on the transmission base again, the public and self-rotating workpiece frame is transported to the next chamber through the transmission base, and the complete process circulation of the workpiece is realized. Through the machining and production of the coating parts, the vacuum coating chamber does not need to be vacuumized, heated, broken and cooled once for each furnace of workpiece, the production efficiency is improved, the energy consumption is greatly reduced, and the cost is saved.

[0016] 2. The utility model discloses a rotatable workpiece frame and a lifting rotating part are detachably connected through setting a slot in a tray and a bolt in a tray insulating pad, when the rotatable workpiece frame and the lifting rotating part are disconnected, the rotatable workpiece frame can move on a transmission base to realize the circulation of each chamber, when the rotatable workpiece frame and the lifting rotating part are connected, the rotatable workpiece frame is driven to be embedded with a fixed cylinder in a vacuum coating chamber and realize the rotation of the rotatable workpiece frame, and the uniform coating of workpieces is completed. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to facilitate the understanding of those skilled in the art, the utility model will be further described below in combination with the drawings.

[0018] Figure 1 It is a structural schematic diagram of the utility model embodiment;

[0019] Figure 2 It is a longitudinal section view of the vacuum coating chamber of the utility model embodiment;

[0020] Figure 3 It is a schematic diagram of the rotatable workpiece frame of the utility model embodiment being parked right above the lifting rotating part;

[0021] Figure 4 It is a structural schematic diagram of the lifting rotating part lifting the rotatable workpiece frame of the utility model embodiment;

[0022] Figure 5 It is a structural schematic diagram of the rotatable workpiece frame of the utility model embodiment;

[0023] Figure 6 It is a transmission schematic diagram of the rotatable workpiece frame of the utility model embodiment;

[0024] Figure 7 It is a structural schematic diagram of the fixed cylinder of the utility model embodiment;

[0025] Figure 8 It is an assembly schematic diagram of the rotatable workpiece frame and the fixed cylinder of the utility model embodiment;

[0026] Figure 9 It is a structural schematic diagram of the lifting rotating part of the utility model embodiment.

[0027] In the figure: 1 - upper sheet table; 2 - sheet feeding chamber; 3 - glow cleaning chamber; 4 - plasma cleaning chamber; 5 - multi-arc coating chamber; 6 - magnetron sputtering coating chamber; 7 - sheet ejection buffer chamber; 8 - sheet ejection chamber; 9 - sheet ejection table; 10 - trolley; 11 - sheet feeding robot; 12 - electric control box; 13 - power supply cabinet; 14 - vacuum system; 15 - piece taking robot; 16 - transmission base plate; 17 - rotating workpiece rack; 171 - tray; 1711 - slot; 172 - main gear; 173 - from gear; 174 - center support rod; 1741 - positioning block; 175 - support rod; 1751 - hanging rod; 176 - mounting disc; 18 - fixed cylinder; 181 - insulating block; 182 - base; 183 - lower conical hole cylinder; 184 - connecting key, 1841 - cap; 185 - spring; 186 - limiting block; 19 - transmission base; 191 - transmission wheel; 20 - lifting and rotating part; 201 - guide rod; 202 - drive cylinder; 203 - mounting plate; 204 - servo motor; 205 - telescopic rod; 206 - sealing device; 207 - transmission shaft; 208 - tray insulating pad; 209 - bolt; 210 - flange. DETAILED DESCRIPTION

[0028] 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. The description of the at least one exemplary embodiment is actually only illustrative, but not as any limitation on the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0029] Unless otherwise specifically stated, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in the various examples herein are only meant to be illustrative, and not limiting of the scope of the present application. Additionally, it is to be understood that the drawings are not necessarily to scale. For the most part, the dimensions of the parts shown in the drawings are arbitrary. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art can not be discussed in detail herein. Any specific values recited herein should be interpreted as merely illustrative, and not as a limitation on the scope of the inventive embodiments. Thus, other example embodiments of the inventive embodiments can have different values. It is to be noted that like-identified elements have like descriptions, wherever practical to manage reference numerals, whereupon further elaboration herein is not always required. It is to be understood that the phraseology and terminology employed herein are for the purpose of description and not of limitation. Accordingly, the inventive embodiments are intended to embrace all such alterations, modifications, and variations that fall within the scope of the appended claims. Other objects and many of the intended advantages of the inventive embodiments will be readily appreciated as the same becomes better understood by reference to the following detailed description when considered in connection with the accompanying drawings described above.

[0030] In the description of the utility model, it is necessary to understand that the words such as " first " and " second " are used to limit parts, and only for the convenience of distinguishing the corresponding parts, and the above words do not have special meanings if not declared, therefore, it can not be understood as the limitation of the protection scope of the utility model.

[0031] In the description of the utility model, it is necessary to understand that the terms " installation " " connection " should be understood broadly unless there are explicit provisions and limitations, for example, it can be fixed connection, can be detachable connection, or integrally connected, can be directly connected, or indirectly connected through intermediate medium.

[0032] For the convenience of description, spatial relative terms can be used here, such as " above " " above " " upper surface " " upper " and the like, to describe the spatial position relationship of one device or feature with other devices or features as shown in the figure. It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the figure. For example, if the device in the drawing is inverted, the device described as " above " or " above " other devices or structures will be positioned " below " or " below " other devices or structures. Thus, the example term " above " can include both " above " and " below ". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative description used here is interpreted accordingly.

[0033] Please refer to Figures 1-4 As shown in the figure, the embodiment provides a kind of vacuum coating continuous production line, including vacuum coating chamber, fixed cylinder 18 and transmission base 19 are equipped in the vacuum coating chamber, the fixed cylinder 18 is located at the top of vacuum coating chamber, the transmission base 19 is located at the bottom of vacuum coating chamber, the top lifting rotating component 20 is also equipped at the bottom of vacuum coating chamber, the top lifting rotating component 20 is positionally corresponding with fixed cylinder 18, public self-rotating workpiece frame 17 moves on transmission base through transmission bottom plate. Corresponding top lifting rotating component 20 and fixed cylinder 18 are equipped in vacuum coating chamber, top lifting rotating component 20 can lift public self-rotating workpiece frame 17 transported on transmission base 19, make public self-rotating workpiece frame 17 top embed into fixed cylinder 18, and public self-rotating workpiece frame 17 can be driven to public self-rotation, complete workpiece coating. After coating, top lifting rotating component 20 can place public self-rotating workpiece frame 17 on transmission bottom plate 16 again, is transported to next chamber through transmission base 19, realizes the complete process circulation of workpiece.

[0034] Further, compared with a single-chamber vacuum coating machine, the workpiece needs to be cleaned and then transported to the vacuum coating machine, the utility model discloses a vacuum coating chamber front process side is equipped with piece table 1, piece chamber 2, cleaning chamber in proper order, piece chamber 2, cleaning chamber, piece chamber 8 are equipped with transmission base 19 in, and are equipped with piece robot 11, after the worker hangs the workpiece on the public self -rotating workpiece frame 17, the public self -rotating workpiece frame 17 that hangs the workpiece is moved on the transmission base 19 of piece chamber 2.

[0035] In some embodiments, referring to Figs. Figure 3 、 Figure 5 、 Figure 6 The public self -rotating workpiece frame 17 includes a tray 171, a mounting disc 176, a center support rod 174 and a plurality of support rods 175, one side of the tray 171 is provided with a slot 1711, the other side is provided with a main gear 172, the outer periphery of the main gear 172 is provided with a plurality of slave gears 173 meshing with the main gear 172, one end of the center support rod 174 is connected to the center of the main gear 172, the other end passes through the mounting disc 176, the slave gear 173 center is sleeved with the support rod 175, one end of the support rod 175 passes through the slave gear 173 and is connected to the tray 171, the other end of the support rod 175 is connected to the mounting disc 176.

[0036] Specifically, the center support rod 174 is fixedly connected with the main gear 172, the support rod 175 is fixedly connected with the satellite gear 173, and the tray 171 can rotate relative to the main gear 172. When the tray 171 rotates relative to the main gear 172, the support rod 175 will rotate around the center support rod 174, which is called revolution, and the satellite gear 173 engaged with the main gear 172 will also rotate, thereby rotating the corresponding support rod 175, which is called rotation. The cooperation of revolution and rotation of the workpiece frame 17 can realize uniform coating of workpieces.

[0037] Further, the center support rod 174 is provided with a positioning block 1741 at one end penetrating the mounting disc 176, the positioning hole 1741 is embedded with the fixed cylinder 18, and the fixation of the center support rod 174 can be realized. The fixation of the center support rod 174 means that the main gear 172 will also remain stationary, and at this time, driving the tray 171 to rotate can make the tray 171 rotate relative to the main gear 172.

[0038] Further, the tray 171 is provided with a first annular groove on the side close to the main gear 172, the main gear 172 is provided with a second annular groove corresponding to the first annular groove on the side close to the tray 171, and the first annular groove and the second annular groove are provided with balls, so that the rotation of the tray 171 relative to the main gear 172 is smoother and the abrasion is reduced.

[0039] Further, the support rod 175 is uniformly provided with a plurality of hanging rods 1751 for suspending workpieces.

[0040] In some embodiments, as shown in Figure 7 、 Figure 8 The fixed cylinder 18 includes a base 182, a lower conical hole cylinder 183 and a limiting block 186. The base 182 is provided with a vertically arranged lower conical hole at the bottom. The hole diameter of the lower conical hole is large at both ends and small in the middle. The limiting block 186 is assembled at the large hole diameter end of the lower conical hole away from the base 182 through a connecting key 184. The connecting key 184 penetrates the small hole diameter section of the lower conical hole and extends into the large hole diameter end close to the base 182. The connecting key 184 is provided with a spring 185 outside the sleeve. The spring 185 and the limiting block 186 are located at the same large hole diameter end of the lower conical hole.

[0041] Specifically, the connecting key 184 is provided with a cap 1841 at one end away from the limiting block 186, the cap 1841 is located in the large aperture end of the lower conical hole close to the base 182, the outer diameter of the cap 1841 is larger than the diameter of the small aperture section of the lower conical hole, which can prevent the connecting key 184 and the limiting block 186 from coming out of the lower conical hole. The bottom of the limiting block 186 is provided with a groove matched with the positioning block 1741, the jacking rotating part 20 jacks up the male and female rotating workpiece frame 17 until the positioning block 1741 is embedded into the groove of the limiting block 186, the compression spring 185 is compressed to fix the center support rod 174 and prevent the main gear 172 from rotating. The bottom of the lower conical hole is a horn mouth, which is convenient for guiding when the center support rod 174 is inserted.

[0042] Further, the base 182 is provided with an insulating block 181 at one end away from the lower conical hole, the base 182 is provided with the insulating block 181 at the connection with the vacuum coating chamber, which solves the insulation problem between the male and female transmission workpiece frame 17 and the vacuum coating chamber, and can connect the male and female transmission workpiece frame 17 into the vacuum coating chamber to implement the bias coating process on the workpiece under negative (or positive) bias.

[0043] In some embodiments, referring to Figure 9 As shown, the jacking rotating part includes two parallel arranged guide rods 201 and two parallel arranged drive cylinders 202, one end of the guide rod 201 is connected to the vacuum coating chamber, the other end is connected to the mounting plate 203, the two parallel arranged drive cylinders 202 are connected to the two ends of the mounting plate 203, the other end of the drive cylinder 202 is fixed to the vacuum coating chamber, the middle of the mounting plate 203 is provided with a servo motor 204, the output shaft of the servo motor 204 is connected with a transmission shaft 207, the end of the transmission shaft 207 is provided with a flange 210 located in the vacuum coating chamber, the side of the flange 210 away from the transmission shaft is provided with a tray insulating pad 208, and the tray insulating pad 208 is provided with a latch 209. The mounting plate 203 is provided with mounting holes at both ends, the mounting holes are provided with sliding linear bearing sleeve assemblies, and the guide rods 201 pass through the sliding linear bearing sleeve assemblies for installation.

[0044] Specifically, the mounting plate 203 can move up and down along the guide rod 201 with the servo motor 204, the driving force of the mounting plate 203 is the drive cylinder 202, the telescopic rod of the drive cylinder 202 retracts, the servo motor 204 goes up, the transmission shaft 207 goes up to make the tray insulating pad 208 contact the tray 171, the latch 209 is inserted into the slot 1711, the male and female rotating workpiece frame 17 is jacked up, the positioning block 1741 is embedded into the groove of the limiting block 186, and the servo motor 204 rotates to drive the tray 171 to rotate. The telescopic rod of the drive cylinder 202 extends, the servo motor 204 goes down, the male and female rotating workpiece frame 17 is placed on the transmission bottom plate 16 again, the telescopic rod of the drive cylinder 202 continues to extend, and the tray insulating pad 208 is separated from the male and female rotating workpiece frame 17. Exemplarily, the drive cylinder 202 can adopt a double-acting reciprocating pneumatic cylinder.

[0045] It needs to be explained that the transmission base 19 is provided with a through groove for the transmission shaft 207, the tray insulating pad 208 and the flange 210 to pass through, and the transmission base 16 is also provided with a through groove for the transmission shaft 207, the tray insulating pad 208 and the flange 210 to pass through. The through groove of the transmission base 19 corresponds to the through groove of the transmission base 16, the bottom of the tray 171 can be fitted in the through groove of the transmission base 16, and the upper part of the tray 171 is located on the transmission base 16, so that the tray 171 can be stably transmitted.

[0046] Further, the jacking rotating part 20 is located outside the vacuum coating chamber, the transmission shaft 207 penetrates into the vacuum coating chamber through the vacuum coating chamber, the position where the transmission shaft 207 penetrates through the vacuum coating chamber is provided with a sealing device 206, and the sealing device 206 is located outside the vacuum coating chamber and does not occupy the space of the vacuum coating chamber. For example, the sealing device 206 is composed of a plurality of high-temperature-resistant fluorine rubber sealing ring assembly parts, which can ensure the vacuum sealing between the bottom mounting hole of the vacuum coating chamber and the transmission shaft 207, ensure the up-down linear motion of the transmission shaft 207 without change or with little change in vacuum degree, and ensure the production quality.

[0047] In some embodiments, the cleaning chamber includes a glow cleaning chamber 3 and a plasma cleaning chamber 4, and the glow cleaning chamber 3 and the plasma cleaning chamber 4 are provided with devices for completing corresponding processes. It should be understood that the devices not specifically written are understood as selected prior art solutions. The vacuum coating chamber includes a multi-arc coating chamber 5 and a magnetron sputtering coating chamber 6, and the multi-arc coating chamber 5 and the magnetron sputtering coating chamber 6 are provided with devices for completing corresponding processes. It should be understood that the devices not specifically written are understood as selected prior art solutions. It needs to be explained that a plurality of magnetron sputtering coating chambers 6 can be connected to perform multi-layer magnetron sputtering coating on the workpiece.

[0048] It needs to be explained that the entrances and exits of the film feeding chamber 2, the glow cleaning chamber 3, the plasma cleaning chamber 4, the multi-arc coating chamber 5, the magnetron sputtering coating chamber 6, the film discharging buffer chamber 7 and the film discharging chamber 8 are provided with automatic doors.

[0049] In some embodiments, an electric control box 12 and a power supply cabinet 13 are further provided, the power supply cabinet 13 supplies power to the electrical equipment, the electric control box 12 controls the automatic control of the utility model, for example, the transmission and stopping of the transmission base 19, the action control of the cleaning equipment, the action control of the magnetron sputtering equipment, the action control of the film feeding robot 11, the action control of the film taking robot 15 and the opening and closing of each automatic door. The equipment controlled by the electric control box 12 is associated with the electric control box 12.

[0050] Further, position sensors are also arranged in the glow cleaning chamber 3, the plasma cleaning chamber 4, the multi-arc coating chamber 5 and the magnetron sputtering coating chamber 6, when the workpiece frame 17 reaches a predetermined position, the position sensor transmits a position signal to the electric control box 12, the electric control box 12 controls the transmission wheel 191 to stop rotating, when the electric control box 12 receives the position signal of the position sensor in the multi-arc coating chamber 5 and the magnetron sputtering coating chamber 6, the jacking rotating part 20 is started.

[0051] The above is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as the modifications or supplements or replacements do not deviate from the structure of the utility model or exceed the range defined by the present claims, which shall belong to the protection scope of the utility model.

Claims

1. A continuous vacuum coating production line, characterized in that, It includes a vacuum coating chamber, in which a fixed cylinder and a transfer base are provided. The fixed cylinder is located at the top of the vacuum coating chamber, and the transfer base is located at the bottom of the vacuum coating chamber. A lifting and rotating component is also provided at the bottom of the vacuum coating chamber. The lifting and rotating component corresponds to the position of the fixed cylinder. The rotating workpiece frame moves on the transfer base through the transfer base plate.

2. The continuous vacuum coating production line according to claim 1, characterized in that, The rotating workpiece rack includes a tray, a mounting plate, a central support rod, and several support rods. The tray has a slot on one side and a main gear on the other side. Several driven gears that mesh with the main gear are located around the outer periphery of the main gear. One end of the central support rod is connected to the center of the main gear, and the other end passes through the mounting plate. A support rod is fitted into the center of the driven gear. One end of the support rod passes through the driven gear and is connected to the tray, and the other end of the support rod is connected to the mounting plate.

3. The continuous vacuum coating production line according to claim 2, characterized in that, A positioning block is provided at one end of the central support rod that passes through the mounting plate.

4. The continuous vacuum coating production line according to claim 2, characterized in that, Several hanging rods are evenly distributed on the support rod.

5. A continuous vacuum coating production line according to claim 2, characterized in that, The tray has a first annular groove on the side near the main gear, and the main gear has a second annular groove on the side near the tray that corresponds to the first annular groove. A ball bearing is provided between the first annular groove and the second annular groove.

6. A continuous vacuum coating production line according to claim 1, characterized in that, The fixed cylinder includes a base, a lower conical hole cylinder, and a limiting block. The bottom of the base is provided with a vertically arranged lower conical hole. The diameter of the lower conical hole is larger at both ends and smaller in the middle. The limiting block is assembled to the larger diameter end of the lower conical hole away from the base by a connecting key. The connecting key passes through the smaller diameter section of the lower conical hole and extends into the larger diameter end near the base. A spring is fitted on the outside of the connecting key. The spring and the limiting block are located at the same larger diameter end of the lower conical hole.

7. A continuous vacuum coating production line according to claim 6, characterized in that, An insulating block is provided at the end of the base away from the lower conical hole.

8. A continuous vacuum coating production line according to claim 1, characterized in that, The lifting and rotating component includes two parallel guide rods and two parallel drive cylinders. One end of each guide rod is connected to the vacuum coating chamber, and the other end is connected to the mounting plate. The two parallel drive cylinders are connected to both ends of the mounting plate, and the other end of each drive cylinder is fixed to the vacuum coating chamber. A servo motor is located in the middle of the mounting plate. The output shaft of the servo motor is connected to a transmission shaft. The end of the transmission shaft is provided with a flange located inside the vacuum coating chamber. A tray insulating pad is provided on the side of the flange away from the transmission shaft, and a pin is provided on the tray insulating pad.

9. A continuous vacuum coating production line according to claim 8, characterized in that, The lifting and rotating component is located outside the vacuum coating chamber. The drive shaft passes through the vacuum coating chamber and extends into the vacuum coating chamber. A sealing device is provided at the position where the drive shaft passes through the vacuum coating chamber, and the sealing device is located outside the vacuum coating chamber.

10. A continuous vacuum coating production line according to claim 1, characterized in that, The vacuum coating chamber has a pre-process loading chamber and a cleaning chamber on the front side, and a post-process loading chamber and a loading buffer chamber on the back side. Each loading chamber, cleaning chamber, loading buffer chamber, and loading chamber is equipped with a transfer base. The top of the transfer base is equipped with a transfer wheel, and the transfer wheel is connected to a power mechanism.

Images