Continuous coating assembly line and coating method

Abstract

The invention provides a continuous film coating assembly line and a film coating method, relates to the technical field of film coating equipment, and aims to optimize a film coating unit structure in the film coating assembly line to a certain extent and improve the film coating efficiency. The continuous coating assembly line comprises a feeding device, a cleaning device, a heating device, a plurality of coating devices, a cooling device, a discharging device and a material frame, the material frame is used for bearing materials to be coated, and the feeding device, the cleaning device, the heating device, the coating devices, the cooling device and the discharging device are sequentially arranged. The material frame can move from the feeding device to the heating device, sequentially enters the cleaning device, the multiple film coating devices and the cooling device to achieve heating, cleaning, film coating and cooling operation and finally reaches the discharging device to conduct workpiece discharging, and assembly line work of feeding, heating, cleaning, film coating, cooling and discharging is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of coating equipment, and in particular to a continuous coating line and a coating method. Background Art

[0002] The continuous coating line can transform the current long-term integrated coating operation of multiple rods into a short-term assembly line coating operation of single-bar multiple chambers. It can split the heating, cleaning, coating and cooling steps into a single operation process and perform them sequentially, which can greatly improve the operation efficiency.

[0003] However, the structure of the current coating production line can only operate in a single direction, that is, the operation mode is gradually carried out from loading to loading, and it cannot form a cyclic operation. As a result, the overall production line operation efficiency cannot be further improved and cannot meet the increasingly rapid production needs.

[0004] Therefore, there is an urgent need to provide a continuous coating line and a coating method to solve the problems existing in the prior art to a certain extent. Summary of the invention

[0005] The object of the present invention is to provide a continuous coating line and a coating method, so as to optimize the structure of the continuous coating line to a certain extent, ensure the coating quality and improve the coating effect.

[0006] A continuous coating production line provided by the present invention comprises a loading device, a heating device, a cleaning device, a plurality of coating devices, a cooling device, a loading device and a material rack; the loading device comprises a first lifting mechanism and a feeding mechanism, the feeding mechanism is connected to the first lifting mechanism, and the first lifting mechanism can drive the feeding mechanism to reciprocate in a vertical direction between a first position and a second position; the heating device comprises a heating cavity and a first conduction mechanism, the cleaning device comprises a cleaning cavity and a second conduction mechanism, a plurality of coating devices each comprises a coating cavity and a third conduction mechanism, the cooling device comprises a cooling cavity and a fourth conduction mechanism, the loading device comprises a second lifting mechanism and a feeding mechanism, the inlet of the heating cavity is connected to the inlet of the feeding mechanism The discharge positions are connected, the outlet of the heating chamber is connected to the inlet of the cleaning chamber, the inlet of the coating chamber is connected to the outlet of the cleaning chamber, and the inlet of the cooling chamber is connected to the outlet of the coating chamber; the unloading mechanism is connected to the second lifting mechanism, and the second lifting mechanism can drive the unloading mechanism to reciprocate in the vertical direction between the first position and the second position. When the unloading mechanism is in the first position, it can carry the material rack output by the cooling device, and when it is in the second position, it can transfer the material rack to the fourth conduction mechanism; the fourth conduction mechanism, the third conduction mechanism, the second conduction mechanism, the first conduction mechanism and the feeding mechanism located at the second position are connected to each other to transfer the material rack to the feeding mechanism.

[0007] Among them, the heating device, the cleaning device, the coating device and the cooling device all include a material rack transmission mechanism, the material rack includes a frame assembly, a transmission assembly and a linkage block, the frame assembly includes a positioning frame and a hanging rod, the hanging 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, and the output end is connected to one end of the hanging rod; the material rack transmission mechanism includes a first drive assembly and a positioning assembly, the positioning assembly forms a positioning space, the linkage block can enter the positioning space and engage with the positioning assembly, and the output end of the first drive assembly is connected to the positioning assembly to drive the positioning assembly to rotate.

[0008] Specifically, the positioning assembly includes a positioning block, which is formed with an opening connected to the positioning space, so that the linkage block can enter the positioning space through the opening; the linkage block is formed with two parallel first straight sides, and the positioning block is formed with a second straight side corresponding to the first straight side of the linkage block, and the first straight side is in contact with the second straight side.

[0009] Among them, the heating device, the cleaning device, the coating device and the cooling device all include a pushing mechanism, the pushing mechanism is arranged at the end of the positioning frame away from the first driving component, and an abutment portion is formed at the end of the positioning frame away from the linkage block, the pushing end of the pushing mechanism can move toward or away from the abutment portion, and push the abutment portion to move the positioning frame toward the direction close to the first driving component.

[0010] Specifically, the pushing mechanism includes a pushing block and a second driving assembly, and a telescopic end of the second driving assembly is connected to the pushing block to drive the pushing block to move.

[0011] Furthermore, the pushing mechanism also includes a connecting member, a positioning seat and a limiting member; the pushing block is L-shaped, and one end of the pushing block is a connecting end and the other end is 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 assembly, 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 assembly, and the other end is connected to the limiting member; the limiting hole is a waist hole, the limiting member is arranged in the limiting hole, and the limiting member can move in the limiting hole so that the pushing end can move in the direction close to or away from the abutting portion.

[0012] Among them, the heating device, the cleaning device, the coating device and the cooling device all include a clamping mechanism, and the clamping mechanism includes a clamping drive and a clamping claw. The output end of the clamping drive is connected to the clamping claw, and the clamping claw can cooperate with the material rack to limit the hanging rod of the material rack.

[0013] Specifically, the clamping mechanism further includes a limiting wheel assembly, which is rotatably connected to the pressing claw, the pressing claw forms a limiting space, and part of the limiting wheel assembly is located in the limiting space and can contact the hanger rod.

[0014] Specifically, the loading device includes a first frame, and the first lifting mechanism is connected to the first frame; the heating device also includes a second frame, the cleaning device also includes a third frame, the coating device also includes a fourth frame, and the cooling device also includes a fifth frame. The second frame, the third frame, the fourth frame and the fifth frame are all provided with a supporting platform for supporting the cleaning chamber, the heating chamber, the coating chamber and the cooling chamber; the unloading device includes a sixth frame, and the second lifting mechanism is connected to the sixth frame.

[0015] Wherein, the heating device further includes a plurality of first heating components, the plurality of first heating components are connected to the heating cavity, and the heating ends of the first heating components are located in the heating cavity.

[0016] Specifically, it also includes a second heating component, which is provided in the cleaning cavity and the coating cavity, and the heating end of the second heating component connected to the cleaning cavity is located in the cleaning cavity, and the heating end of the second heating component connected to the coating cavity is located in the coating cavity.

[0017] Furthermore, the cleaning device also includes an ion source, and the ion source is connected to the cleaning chamber.

[0018] Furthermore, the coating device also includes a plurality of column target mechanisms, which are evenly distributed on two mounting walls adjacent to the coating cavity and the top wall. The target materials of the column target mechanisms are located in the coating cavity and arranged around the material rack, and the distances between the target materials of the plurality of column target mechanisms and the workpieces carried on the material rack are the same.

[0019] Furthermore, the heating device, the cleaning device, the coating device and the cooling device all include a conveying mechanism, which includes a plurality of conveying wheel groups, a driving member and a conducting component; the plurality of conveying wheel groups are arranged at intervals along the traveling direction of the material rack, and the conducting component includes a first transmission member and a second transmission member, the input end of the first transmission member is power-connected to the output end of the driving member, the output end of the first transmission member is power-connected to the input end of the second transmission member, and the output end of the second transmission member is connected to the input end of the conveying wheel group.

[0020] Compared with the prior art, the continuous coating line provided by the present invention has the following advantages:

[0021] The continuous coating production line provided by the present invention comprises a loading device, a heating device, a cleaning device, a plurality of coating devices, a cooling device, a loading device and a material rack; the loading device comprises a first lifting mechanism and a feeding mechanism, the feeding mechanism is connected to the first lifting mechanism, and the first lifting mechanism can drive the feeding mechanism to reciprocate in a vertical direction between a first position and a second position; the heating device comprises a heating cavity and a first conduction mechanism, the cleaning device comprises a cleaning cavity and a second conduction mechanism, the plurality of coating devices each comprises a coating cavity and a third conduction mechanism, the cooling device comprises a cooling cavity and a fourth conduction mechanism, the loading device comprises a second lifting mechanism and a feeding mechanism, the heating cavity feed mechanism comprises a first conduction mechanism, and the loading device comprises a second lifting mechanism and a feeding mechanism. The outlet of the heating chamber is connected to the inlet of the cleaning chamber, the inlet of the coating chamber is connected to the outlet of the cleaning chamber, and the inlet of the cooling chamber is connected to the outlet of the coating chamber; the unloading mechanism is connected to the second lifting mechanism, and the second lifting mechanism can drive the unloading mechanism to reciprocate in the vertical direction between the first position and the second position. When the unloading mechanism is in the first position, it can carry the material rack output by the cooling device, and when it is in the second position, it can transfer the material rack to the fourth conduction mechanism; the fourth conduction mechanism, the third conduction mechanism, the second conduction mechanism, the first conduction mechanism and the feeding mechanism located at the second position are connected to each other to transfer the material rack to the feeding mechanism.

[0022] From this analysis, it can be seen that the feeding mechanism can be reciprocated between the first position and the second position by the first lifting mechanism. Figure 1 As shown, the first position of the feeding device in the present application is the position where the workpiece is hung on the rack, or it can be the position where the rack with the workpiece hung is hoisted on the feeding mechanism. The second position is the rack return position of the feeding device. When the workpiece is hung on the rack, the rack can be transferred to the heating device through the feeding mechanism.

[0023] Since the heating device in the present application includes a heating cavity and a first conduction mechanism, and the inlet of the heating cavity is connected to the discharge position of the feeding mechanism, the material rack carrying the workpiece can enter the heating cavity under the action of the feeding mechanism.

[0024] When the workpiece enters the heating chamber, it can be heated. After reaching a predetermined temperature, the material rack carries the workpiece to move to the cleaning chamber. After entering the cleaning chamber, the impurities on the surface of the workpiece can be etched and cleaned through the cleaning chamber. After the cleaning is completed, since the cleaning chamber and the coating chamber are sequentially connected in this application, the material rack can enter the coating chamber for coating.

[0025] Since there are multiple coating devices in the present application, it includes multiple coating chambers connected in sequence, and the coating operation on the workpiece is achieved by allowing the material rack to flow through the coating chamber in sequence. It is understandable that the number of coating devices in the present application can be designed according to specific coating requirements.

[0026] After the material rack is output from the last coating cavity, it can enter the cooling cavity, so that the workpiece can be quickly cooled through the cooling cavity, and after cooling, the material rack is transferred to the unloading mechanism.

[0027] Since the second lifting mechanism can make the unloading mechanism reciprocate between the first position and the second position in the vertical direction, when the workpiece is cooled, the unloading mechanism waits for the rack to be shipped at the first position. When the rack is completely moved onto the unloading mechanism, the workpiece carried by the rack can be removed at the first position.

[0028] It is understandable that, since the material rack in the continuous coating equipment provided in the present application is a single-bar material rack, there will not be many workpieces carried on the single-bar material rack, so the disassembly operation can be completed quickly by manual labor.

[0029] When the disassembly operation is completed, the second lifting mechanism lowers the unloading mechanism from the first position to the second position, and since the unloading mechanism in the present application can be docked with the fourth conduction mechanism at the second position, the empty material rack without workpieces can be transferred to the fourth conduction mechanism through the unloading mechanism, and reach the feeding mechanism at the second position through the third conduction mechanism, the second conduction mechanism and the first conduction mechanism.

[0030] At this time, the first lifting mechanism rises, driving the feeding mechanism to rise from the second position to the first position for loading, that is, hanging the workpiece on the material rack. After loading is completed, the feeding mechanism starts to transport the material rack into the cleaning chamber, thereby realizing the assembly line operation of loading, heating, cleaning, coating, cooling, unloading and material rack reflux.

[0031] In addition, the present invention also includes a coating method, which uses the above-mentioned continuous coating line and includes the following steps: step 1, the material rack is loaded at the loading device, and the loading device conveys the loaded material rack to the heating device; step 2, the heating device starts heating after receiving the material rack, and conveys it to the cleaning device after reaching the preheating temperature; step 3, the cleaning device cleans the workpiece on the material rack, and conveys it to the coating device after cleaning; step 4, a plurality of sequentially connected coating devices coat the workpiece, and convey it to the cooling device after coating is completed; step 5, the cooling device cools the workpiece, and conveys it to the unloading device after cooling, and removes the workpiece from the material rack at the unloading device; step 6, the material rack after unloading is transported to the second position of the unloading device by the second lifting mechanism, and conveys it to the fourth conduction mechanism through the unloading mechanism; step 7, the material rack passes through the fourth conduction mechanism, the third conduction mechanism, the second conduction mechanism and the first conduction mechanism in sequence to reach the second position of the feeding mechanism, and returns to the first position again through the first lifting mechanism for loading.

[0032] Among them, in steps 2 to 5, when the material rack reaches the corresponding heating device, the cleaning device, the coating device and the cooling device, the opening of the positioning block faces the direction of entry of the material rack, so that the linkage block can enter the positioning space; then the first driving component drives the positioning block to rotate 180°, so that the opening of the positioning block faces the direction of output of the material rack, and the pushing end of the pushing mechanism pushes the abutment portion, so that the material rack penetrates into the positioning space; then the clamping drive drives the pressing claw to move in the direction close to the material rack to limit the hanging rod of the material rack; then the first driving component drives the positioning block to rotate, driving the linkage block to rotate, so as to transmit power to the hanging rod through the transmission component, thereby realizing the rotation of the hanging rod.

[0033] Specifically, in steps 2 to 5, when heating, cleaning, coating and cooling are completed, the first drive component stops, the positioning block stops and the opening of the positioning block is directed toward the output direction of the material rack; the clamping drive drives the pressing claw to move away from the material rack, releasing the hanger rod so that the material rack can move to the next device.

[0034] The coating method using the continuous coating line provided in the present application can achieve accurate positioning and stable rotation of the material rack, as well as the cyclic operations of heating, cleaning, coating, cooling, unloading, material rack reflow and loading of the workpiece, greatly improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0036] Figure 1 A schematic diagram of the overall structure of a continuous coating line provided by an embodiment of the present invention;

[0037] Figure 2 A schematic diagram of the structure of a heating device in a continuous coating line provided by an embodiment of the present invention;

[0038] Figure 3 A schematic diagram of the structure of a cleaning device in a continuous coating line provided by an embodiment of the present invention;

[0039] Figure 4 A schematic diagram of the structure of a column target mechanism of a coating device in a continuous coating line provided by an embodiment of the present invention using a medium frequency column target;

[0040] Figure 5 A schematic diagram of the structure of a cooling device in a continuous coating line provided by an embodiment of the present invention;

[0041] Figure 6 A schematic diagram of the structure of a material rack transmission mechanism in a continuous coating line provided by an embodiment of the present invention;

[0042] Figure 7 A schematic diagram of the structure of a positioning block of a material rack transmission mechanism in a continuous coating line provided by an embodiment of the present invention;

[0043] Figure 8 A schematic diagram of the structure of a driving mechanism in a continuous coating line provided by an embodiment of the present invention;

[0044] Fig. 9 A schematic diagram of the structure of a clamping mechanism in a continuous coating line provided by an embodiment of the present invention;

[0045] Fig.10 A schematic diagram of the structure of a planar column target used in a column target mechanism of a film coating device in a continuous film coating line provided by an embodiment of the present invention;

[0046] Fig.11 A schematic diagram of a structure in which a column target mechanism of a coating device in a continuous coating line provided by an embodiment of the present invention adopts a plane arc;

[0047] Fig.12 A schematic diagram of a structure in which a column target mechanism of a coating device in a continuous coating line provided by an embodiment of the present invention adopts an arc;

[0048] Fig.13 A schematic diagram of the structure of a column target mechanism of a coating device in a continuous coating line provided by an embodiment of the present invention using evaporation coating;

[0049] Fig.14 A schematic diagram of the structure of a column target mechanism of a coating device in a continuous coating line provided by an embodiment of the present invention using a curved pipe filtering arc;

[0050] Fig.15 A schematic flow chart of a coating method provided in an embodiment of the present invention.

[0051] In the figure: 1-loading device; 101-feeding mechanism; 102-first frame; 2-heating device; 201-heating chamber; 202-second frame; 203-first conduction mechanism; 204-first heating member; 3-cleaning device; 301-cleaning chamber; 3011-ion source; 302-second conduction mechanism; 303-third frame; 4-film coating device; 401-film coating chamber; 4011-column target mechanism; 402-fourth frame; 403-third conduction mechanism; 5-cooling device; 501-cooling chamber; 502-fifth frame; 503-fourth conduction mechanism Structure; 6-feeding device; 601-feeding mechanism; 602-sixth frame; 7-second heating component; 8-material rack; 801-positioning frame; 8011-abutment portion; 802-hanging rod; 803-supporting member; 804-linkage block; 805-transmission assembly; 9-material rack transmission mechanism; 901-driving assembly; 902-positioning block; 10-pushing mechanism; 1001-pushing driving member; 1002-pushing block; 11-conveying mechanism; 1101-conveying wheel group; 1102-conduction assembly; 12-clamping mechanism; 1201-clamping drive; 1202-pressing claw. DETAILED DESCRIPTION

[0052] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with 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 of the embodiments. The components of the embodiments of the present application generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.

[0053] In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or are the positions or positional relationships in which the invented product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0054] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0055] In the description of the embodiments of the present application, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] As used herein, the term "and / or" includes any one of the associated listed items and any combination of any two or more items.

[0057] For ease of description, spatial relative terms such as "above", "upper", "below", and "lower" may be used herein to describe the relationship of one element to another element as shown in the drawings. Such spatial relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the drawings.

[0058] The terms used herein are only used to describe various examples and are not used to limit the present disclosure. Unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. The terms "include", "comprise" and "have" list the stated features, quantities, operations, components, elements and / or their combinations that exist, but do not exclude the existence or addition of one or more other features, quantities, operations, components, elements and / or their combinations.

[0059] Variations in the shapes shown in the 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 drawings but include variations in shapes that occur during manufacturing.

[0060] The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. In addition, although the examples described herein have various configurations, other configurations are possible as will be apparent after understanding the disclosure of the present application. In addition, the technical solutions between the various embodiments may be combined with each other, but must be based on the ability of ordinary technicians in the field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be considered that the combination of such technical solutions does not exist and is not within the scope of protection required by the present application.

[0061] like Figure 1 Combination Figure 2 As shown, the present invention provides a continuous coating production line, including a loading device 1, a heating device 2, a cleaning device 3, a plurality of coating devices 4, a cooling device 5, a discharging device 6 and a material rack 8; the loading device 1 includes a first lifting mechanism and a feeding mechanism 101, the feeding mechanism 101 is connected to the first lifting mechanism, and the first lifting mechanism can drive the feeding mechanism 101 to reciprocate in a first position and a second position in a vertical direction; the heating device 2 includes a heating cavity 201 and a first conduction mechanism 203, the cleaning device 3 includes a cleaning cavity 301 and a second conduction mechanism 302, the plurality of coating devices 4 each include a coating cavity 401 and a third conduction mechanism 403, the cooling device 5 includes a cooling cavity 501 and a fourth conduction mechanism 503, the discharging device 6 includes a second lifting mechanism and a discharging mechanism 601, the heating cavity 201 has a first conduction mechanism 203, and the discharging device 6 includes a second lifting mechanism and a discharging mechanism 601. The opening is connected to the discharge position of the feeding mechanism 101, the outlet of the heating chamber 201 is connected to the inlet of the cleaning chamber 301, the inlet of the coating chamber 401 is connected to the outlet of the cleaning chamber 301, and the inlet of the cooling chamber 501 is connected to the outlet of the coating chamber 401; the unloading mechanism 601 is connected to the second lifting mechanism, and the second lifting mechanism can drive the unloading mechanism 601 to reciprocate in the vertical direction between the first position and the second position. When the unloading mechanism 601 is in the first position, it can carry the material rack 8 output by the cooling device 5, and when it is in the second position, it can transfer the material rack 8 to the fourth conduction mechanism 503; the fourth conduction mechanism 503, the third conduction mechanism 403, the second conduction mechanism 302, the first conduction mechanism 203 and the feeding mechanism 101 located at the second position are connected to each other to transfer the material rack 8 to the feeding mechanism 101.

[0062] Compared with the prior art, the continuous coating line provided by the present invention has the following advantages:

[0063] The continuous coating line provided by the present invention can make the feeding mechanism 101 reciprocate between the first position and the second position through the first lifting mechanism. Figure 1 As shown, the first position of the feeding device 1 in the present application is the position where the workpiece is hung on the rack 8, and can also be the position where the rack 8 with the workpiece hung is hoisted on the feeding mechanism 101. The second position is the return position of the rack 8 of the feeding device 1. When the workpiece is hung on the rack 8, the rack 8 can be transferred to the heating device 2 through the feeding mechanism 101.

[0064] Since the heating device 2 in the present application includes a heating cavity 201 and a first conduction mechanism 203, and the inlet of the heating cavity 201 is connected to the discharge position of the feeding mechanism 101, the material rack 8 carrying the workpiece can enter the heating cavity 201 under the action of the feeding mechanism 101.

[0065] When the workpiece enters the heating chamber 201, it can be heated. After reaching a predetermined temperature, the material rack 8 carries the workpiece to move to the cleaning chamber. After entering the cleaning chamber, the impurities on the surface of the workpiece can be etched and cleaned through the cleaning chamber. After cleaning is completed, since the cleaning chamber 301 and the coating chamber 401 are sequentially connected in this application, the material rack 8 can enter the coating chamber 401 for coating.

[0066] Since there are multiple coating devices 4 in the present application, they include multiple coating chambers 401 that are connected in sequence, and the coating operation on the workpiece is achieved by allowing the material rack 8 to flow through the coating chambers 401 in sequence. It can be understood that the number of coating devices 4 in the present application can be designed according to specific coating requirements, and preferably, the coating time in each coating chamber 401 is consistent, so that the uniformity of the coating can be guaranteed to a certain extent, and the coating process can be better controlled.

[0067] After the material rack 8 is output from the last coating cavity 401 , it can enter the cooling cavity 501 , so that the workpiece can be quickly cooled through the cooling cavity 501 . After cooling, the material rack 8 is transferred to the unloading mechanism 601 .

[0068] Since the second lifting mechanism can make the unloading mechanism 601 reciprocate between the first position and the second position in the vertical direction, when the workpiece is cooled, the unloading mechanism 601 waits for the delivery of the rack 8 at the first position. When the rack 8 is completely moved onto the unloading mechanism 601, the workpiece carried by the rack 8 can be removed at the first position.

[0069] It is understandable that, since the material rack 8 in the continuous coating equipment provided in the present application is a single-bar material rack 8, there will not be many workpieces carried on the single-bar material rack 8, so the disassembly operation can be completed quickly by manual labor.

[0070] When the disassembly operation is completed, the second lifting mechanism lowers the unloading mechanism 601 from the first position to the second position, and since the unloading mechanism 601 in the present application can be docked with the fourth conduction mechanism 503 at the second position, the empty material rack 8 that does not carry workpieces can be transferred to the fourth conduction mechanism 503 through the unloading mechanism 601, and pass through the third conduction mechanism 403, the second conduction mechanism 302 and the first conduction mechanism 203 to reach the feeding mechanism 101 located at the second position.

[0071] At this time, the first lifting mechanism rises, driving the feeding mechanism 101 to rise from the second position to the first position for loading, that is, hanging the workpiece on the material rack 8. After the loading is completed, the feeding mechanism 101 starts and transports the material rack 8 into the cleaning chamber 301, thereby realizing the assembly line operation of loading, heating, cleaning, coating, cooling, unloading and reflux of the material rack 8.

[0072] It should be noted that the heating chamber 201 and the first conduction mechanism 203, the cleaning chamber 301 and the second conduction mechanism 302, the coating chamber 401 and the third conduction mechanism 403, the cooling chamber 501 and the fourth conduction mechanism 503 in the present application are all upper and lower structures, that is, the structures located at the same horizontal plane as the first position of the loading device 1 and the first position of the unloading device 6 in the present application are the heating chamber 201, the cleaning chamber 301, the coating chamber 401 and the cooling chamber 501, and the horizontal height of the first position is higher than the horizontal height of the second position, that is, the first position is located at the upper layer, and the second position is located at the lower layer. Accordingly, the first conduction mechanism 203, the second conduction mechanism 302, the third conduction mechanism 403 and the fourth conduction mechanism 503 in the present application are located below the corresponding chamber, so that the equipment space utilization can be greatly improved, and the reflux of the material rack 8 can be realized, so as to realize complete assembly line operation and improve the efficiency of coating operation.

[0073] Alternatively, if Figure 1 As shown, the loading device 1 in the present application includes a first frame 102, and the first lifting mechanism is connected to the first frame 102; the heating device 2 also includes a second frame 202, the cleaning device 3 also includes a third frame 303, the coating device 4 also includes a fourth frame 402, and the cooling device 5 also includes a fifth frame 502. The second frame 202, the third frame 303, the fourth frame 402 and the fifth frame 502 are all provided with a supporting platform for supporting the cleaning chamber 301, the heating chamber 201, the coating chamber 401 and the cooling chamber 501; the unloading device 6 includes a sixth frame 602, and the second lifting mechanism is connected to the sixth frame 602.

[0074] It is understandable that the first frame 102 provided in the present application can provide a stable installation base for the first lifting mechanism, and the sixth frame 602 can provide a stable installation base for the second lifting mechanism. The first lifting mechanism and the second lifting mechanism in the present application can adopt a telescopic structure such as an oil cylinder or a gas cylinder, or a lifting structure with a rack and gear to realize the lifting movement of the loading mechanism and the unloading mechanism 601, or a screw structure to realize the lifting movement.

[0075] When a screw structure is adopted, the first lifting mechanism and the second lifting mechanism in the present application both include a motor, a screw and a lifting tray. The motor is connected to the screw, and the screw is arranged in a vertical direction. The screw can rotate under the drive of the motor. A screw sleeve is provided on the screw, and the screw sleeve is connected to the lifting tray. When the screw rotates, the screw sleeve can reciprocate on the screw, thereby realizing the reciprocating motion of the lifting tray.

[0076] Preferably, in this manner, a fixed frame extending in the vertical direction and located in the middle of the first frame and the sixth frame can be further added to provide an installation base for the motor and the screw rod. In addition, a guide rail can be further laid on the fixed frame, and the lifting tray can be matched with the guide rail to make the lifting tray more stable and smooth during the vertical movement.

[0077] Correspondingly, the second frame 202 can provide a stable platform for supporting the heating chamber 201, the third frame 303 can provide a stable platform for supporting the cleaning chamber 301, the fourth frame 402 can provide a stable platform for supporting the coating chamber 401, and the fifth frame 502 can provide a stable platform for supporting the cooling chamber 501.

[0078] Alternatively, if Figure 2 As shown, the heating device 2 in the present application further includes a plurality of first heating components 204 , which are connected to the heating cavity 201 , and the heating ends of the first heating components 204 are located in the heating cavity 201 .

[0079] Since the heating chamber 201 in the present application is mainly used to heat the workpiece and enable the workpiece to reach a predetermined high temperature state, the heating chamber 201 in the present application is connected to a plurality of first heating components 204, and preferably, as Figure 2 As shown, there are four first heating components 204 in the present application in the circumferential direction of the heating cavity 201, which are installed on the other four walls of the hexagonal heating cavity 201 except the top wall and the bottom wall, so as to surround the material rack 8 entering the heating cavity 201, forming a stable and uniform high-temperature area, and realizing uniform and rapid heating of the workpiece.

[0080] Alternatively, if Figure 3-Figure 5As shown, the continuous coating line provided in the present application also includes a second heating component 7. The second heating component 7 is provided in the cleaning chamber 301 and the coating chamber 401, and the heating end of the second heating component 7 connected to the cleaning chamber 301 is located in the cleaning chamber 301, and the heating end of the second heating component 7 connected to the coating chamber 401 is located in the coating chamber 401.

[0081] Since the temperature inside the cleaning chamber 301 and the coating chamber 401 needs to be maintained during the cleaning and etching stage and the coating stage so that the workpiece can operate in a relatively high temperature environment, the cleaning chamber 301 and the coating chamber 401 in the present application are both installed with a second heating component 7, so that the temperature inside the chamber can be maintained by the second heating component 7.

[0082] It can be understood that since the main functions of the coating chamber 401 and the cleaning chamber 301 are cleaning and coating, and there is no need to heat up quickly during the cleaning and coating process, and it is only necessary to ensure that the temperature is constant, therefore, the number of second heating components 7 corresponding to the cleaning chamber 301 and each coating chamber 401 in the present application is less than the number of first heating components 204 installed corresponding to the heating chamber 201.

[0083] like Figure 3 As shown, the cleaning device 3 in the present application further includes an ion source 3011 , and the ion source 3011 is connected to the cleaning chamber 301 .

[0084] Preferably, if Figure 3 As shown, the number of ion sources 3011 in the present application is two, and they are symmetrically arranged on two installation walls adjacent to the cleaning chamber 301 and the top wall. Therefore, by setting up the symmetrical ion sources 3011, the etching efficiency can be improved to a certain extent, the etching uniformity can be ensured, and the etching quality can be improved.

[0085] Alternatively, if Figure 4 As shown, the coating device 4 in the present application also includes a plurality of column target mechanisms 4011, and the plurality of column target mechanisms 4011 are evenly distributed on two mounting walls adjacent to the coating chamber 401 and the top wall, and the target materials of the column target mechanisms 4011 are located in the coating chamber 401 and are arranged around the material rack 8, and the distances between the target materials of the plurality of column target mechanisms 4011 and the workpieces carried on the material rack 8 are the same.

[0086] Preferably, if Figure 4As shown, the number of column target mechanisms 4011 in the present application is four, and they are arranged in pairs on two mounting walls adjacent to the top wall of the coating chamber 401. The four column target mechanisms 4011 are arranged around the material rack 8, and the target materials of the multiple column target mechanisms 4011 are at the same distance from the workpiece, thereby ensuring that the distances for the precipitated ions to reach the workpiece are the same, thereby ensuring the uniformity of the coating to a certain extent. In addition, the four column target mechanisms 4011 can make maximum use of the space of the coating chamber 401, making the overall structure of the coating device 4 more compact, and at the same time can improve the coating efficiency to a certain extent.

[0087] Further preferably, in the present application, an adjustment pad can be provided between the column target mechanism 4011 and the coating chamber 401, and the distance between the column target mechanism 4011 and the installation wall can be changed by adjusting the pad. Since the relative position of the target material and the base body is fixed, when the adjustment pad is added, the column target mechanism 4011 can move away from the installation wall, thereby driving the target material to move away from the workpiece, and withdrawing the adjustment pad can make the target material approach the workpiece, thereby realizing the rapid adjustment of the distance between the target material and the workpiece.

[0088] It should be noted that the coating device 4 in the present application is not limited to the coating device 4 of the present invention. Figure 4 The column target mechanism 4011 in the embodiment can also be used Figure 10-Figure 14 The different column target mechanisms 4011 shown, such as Fig.10 The plane target shown, Fig.11 The plane arc shown, Fig.12 The arc shown, Fig.13 The evaporation coating is shown as well Fig.14 The curved pipe filtering arc shown can select the corresponding column target mechanism 4011 according to specific needs during actual operation to match the corresponding coating requirements.

[0089] In the present application, the installation of the adjustment pad is carried out before the coating operation begins. When the distance between the target material and the workpiece needs to be changed, the column target mechanism 4011 is removed, the adjustment pad is installed or removed, and then the column target mechanism 4011 is installed again on the corresponding installation wall to complete the adjustment.

[0090] Alternatively, if Figure 1 Combination Figure 6 and Figure 7As shown, in the present application, the heating device 2, the cleaning device 3, the coating device 4 and the cooling device 5 all include a material rack transmission mechanism 9, the material rack 8 includes a frame assembly, a transmission assembly 805 and a linkage block 804, the frame assembly includes a positioning frame 801 and a hanging rod 802, the hanging rod 802 is mounted on the positioning frame 801, and can rotate relative to the positioning frame 801, the transmission assembly 805 is connected to the positioning frame 801, and the input end of the transmission assembly 805 is connected to the linkage block 804, and the output end is connected to one end of the hanging rod 802; the material rack transmission mechanism 9 includes a driving assembly 901 and a positioning assembly, the positioning assembly forms a positioning space, the linkage block 804 can enter the positioning space and engage with the positioning assembly, and the output end of the driving assembly 901 is connected to the positioning assembly to drive the positioning assembly to rotate.

[0091] Regardless of the heating, cleaning, etching, coating or cooling stage, the hanging rod 802 of the material rack 8 needs to keep rotating, and because the material rack 8 needs to shuttle between multiple cavities, the positioning and limiting of the material rack 8 are equally important.

[0092] The present application uses a material rack transmission mechanism 9 set in the cavity to achieve power output using a driving component 901, and the positioning space formed by the positioning component enables the linkage block 804 assembled on the positioning frame 801 to enter the positioning space and engage with the positioning component, so that when the positioning component rotates, it can drive the linkage block 804 to rotate.

[0093] Furthermore, since the linkage block 804 in the present application is connected to the input end of the transmission assembly 805, and the output end of the transmission assembly 805 is connected to the hanger rod 802, it is possible to achieve both the limiting and positioning of the positioning frame 801 and the transmission of power to realize the rotation of the hanger rod 802.

[0094] Preferably, the positioning assembly in the present application includes a U-shaped positioning block 902, and the positioning space formed by the positioning block 902 is approximately rectangular, and the linkage block 804 is adapted to the rectangular positioning space, thereby avoiding relative displacement between the positioning block 902 and the linkage block 804 during rotation.

[0095] More preferably, if Figure 8 As shown, the heating device 2, the cleaning device 3, the coating device 4 and the cooling device 5 in the present application all include a pushing mechanism 10, which is arranged at one end of the positioning frame 801 away from the driving component 901, and an abutment portion 8011 is formed at one end of the positioning frame 801 away from the linkage block 804, and the pushing end of the pushing mechanism 10 can move toward or away from the abutment portion 8011, and push the abutment portion 8011 to move the positioning frame 801 toward the direction close to the driving component 901.

[0096] The pushing mechanism 10 in the present application may adopt a linear telescopic structure, that is, a telescopic structure such as an oil cylinder or a gas cylinder is used to move the pushing end toward or away from the abutment portion 8011, thereby pushing the positioning frame 801 to move in the horizontal direction.

[0097] It should be noted here that in the present application, an in-position sensing component is provided in the positioning space of the positioning block 902, and the in-position sensing component includes a connecting bolt, a spring, a baffle and a pressure sensor. The connecting bolt is connected to the positioning block 902, the spring is sleeved on the connecting bolt and is located in the positioning space, the baffle is connected to one end of the spring, and when the linkage block 804 enters the positioning space, it can abut against the baffle. As the pushing mechanism 10 continues to push, the linkage block 804 can continue to apply pressure to the baffle to compress the spring, and the pressure sensor can be set on the side where the baffle and the linkage block 804 are in contact, so that the pressure value can be obtained through the pressure sensor, and then the pressure value can be used to determine whether the linkage block 804 is in place to ensure the overall transmission stability.

[0098] It is necessary to further explain here that in the present application, a servo motor for driving the material rack 8 and a torque sensor and a controller connected to the servo motor are provided in each cavity. The torque sensor can monitor the carrying torque of the servo motor in real time and judge the carrying state by the torque force. For example, when the motor normally carries the material rack 8, the torque is a fixed value. When the torque increases, it proves that the material rack 8 is stuck or in place. When it is stuck, the torque value will recover in a short time, and when it is in place, the torque will increase and will not recover. Therefore, when the controller receives a continuous signal from the torque sensor, it can turn off the servo motor and stop conveying the material rack 8.

[0099] Take a coating device 4 as an example, when the material rack 8 enters the coating chamber 401, the opening of the positioning block 902 faces the entrance of the coating chamber 401, and when the linkage block 804 enters the positioning space and contacts the baffle, the driving component 901 starts to control the positioning block 902 to rotate 180 degrees, and the linkage block 804 rotates with the positioning block 902. At this time, the pushing mechanism 10 starts to push the positioning rack 801 to ensure that the linkage block 804 can be located in the positioning space. After that, the driving component 901 is fully started to output power to realize the rotation of the hanging rod 802.

[0100] When the operation is completed, the driving assembly 901 stops, and the positioning block 902 in the present application stops on the side of the opening away from the entrance of the coating chamber 401, that is, the positioning block 902 stops at a position rotated 180° from the initial state, so that the linkage block 804 can be separated from the positioning space, thereby realizing the removal of the entire material rack 8.

[0101] Through the material rack transmission mechanism 9 and the pushing mechanism 10 provided in the present application, it is possible to realize the in-place detection, limit stop and operation rotation of the material rack 8 in the corresponding chamber.

[0102] It should be noted here that the pushing mechanism 10 in the present application includes a second driving component and a pushing block 1002. The second driving component is a pushing driving member 1001. The pushing driving member 1001 can adopt a telescopic structure such as a cylinder or an oil cylinder, and the telescopic end is connected to the pushing block 1002. The pushing end of the pushing block 1002 can move toward or away from the abutment portion 8011, thereby realizing the pushing of the positioning frame 801.

[0103] The pushing mechanism in the present application also includes a connecting member, a positioning seat and a limiting member; the pushing block 1002 is L-shaped, and one end of the pushing block 1002 is a connecting end and the other end is a pushing end, and a limiting hole is formed between the connecting end and the pushing end, the positioning seat is connected to the pushing driving member 1001, and the connecting end is rotatably connected to the positioning seat, one end of the connecting member is connected to the telescopic end of the pushing driving member 1001, and the other end is connected to the limiting member; the limiting hole is a waist hole, the limiting member is arranged in the limiting hole, and the limiting member can move in the limiting hole so that the pushing end can move in the direction close to or away from the abutting part.

[0104] Alternatively, if Figure 1 As shown, in the present application, the heating device 2, the cleaning device 3, the coating device 4 and the cooling device 5 all include a conveying mechanism 11, and the conveying mechanism 11 includes a plurality of conveying wheel groups 1101, a driving member and a conducting component 1102; the plurality of conveying wheel groups 1101 are arranged at intervals along the traveling direction of the material rack 8, and the conducting component 1102 includes a first transmission member and a second transmission member, the input end of the first transmission member is power-connected to the output end of the driving member, the output end of the first transmission member is power-connected to the input end of the second transmission member, and the output end of the second transmission member is connected to the input end of the conveying wheel group 1101.

[0105] The conveying wheel group 1101 in the present application can be a transmission roller, which can rotate relative to the coating chamber 401, and each conveying wheel group 1101 can include a connecting shaft and two rotating wheels located at both ends of the connecting shaft, and the material rack 8 is transported by the rotating wheels.

[0106] The power of the conveying wheel group 1101 comes from the driving component and the conductive component 1102 linked to the driving component. The driving component in the present application can be a motor, and the output end of the motor can use a conveyor belt pulley structure to achieve power output. The advantage of using a conveyor belt pulley structure is that the motor can be installed in any position according to needs.

[0107] Correspondingly, the power output by the motor can be transmitted to the conveying wheel set 1101 through the first transmission member and the second transmission member included in the transmission component 1102, and finally the transmission of the material rack 8 is realized. In the present application, the first transmission member can also include a connecting shaft and a driving wheel, one end of the connecting shaft is connected to the above-mentioned driving pulley, so as to obtain the power of the motor, and the other end of the connecting shaft is connected to the driving wheel, so as to transmit the power to the driving wheel.

[0108] The driving wheel mentioned above can be a gear, a pulley or a sprocket. When the driving wheel is a gear, the second transmission member in the present application can include a series shaft and a plurality of transmission gears arranged on the series shaft. At the same time, the end of the connecting shaft of the conveying wheel group 1101 can be connected to the matching gear, one of which is meshed with the driving wheel, and the other transmission gears are meshed with the matching gears. When the series shaft rotates under the action of the driving wheel, it can synchronously drive the rotation of the plurality of transmission gears, thereby realizing the rotation of the matching gears, and then realizing the movement of the conveying wheel group 1101, and completing the transmission of the material rack 8 mechanism. In this embodiment, the above-mentioned gears can all be bevel gears, so as to realize the change and adaptation of direction.

[0109] The transmission method in which the driving wheel is a pulley or a sprocket is simpler, and the transmission of motor power can be achieved only through multiple pulleys or sprockets cooperating with corresponding conveyor belts or chains, which will not be repeated here.

[0110] It should be noted that the purpose of the first transmission mechanism 203, the second transmission mechanism 302, the third transmission mechanism 403 and the fourth transmission mechanism 503 in the present application is the same as that of the conveying mechanism 11, and therefore, the same structural form as the conveying mechanism 11 can be adopted to realize the transfer of the material rack 8. Correspondingly, the feeding mechanism 101 and the unloading mechanism 601 can also adopt the structural form of the conveying mechanism 11 to realize the transfer of the material rack 8, which will not be repeated here.

[0111] Alternatively, if Figure 1 Combination Fig. 9 As shown, the heating device 2, the cleaning device 3, the coating device 4 and the cooling device 5 in the present application all include a clamping mechanism 12, and the clamping mechanism 12 includes a clamping drive 1201 and a clamping claw 1202. The output end of the clamping drive 1201 is connected to the clamping claw 1202, and the clamping claw 1202 can cooperate with the material rack 8 to limit the hanging rod 802 of the material rack 8.

[0112] The positioning frame 801 included in the above-mentioned material rack 8 in the present application is also formed with a supporting member 803, so as to provide stable support for the hanger rod 802 and ensure that the hanger rod 802 can extend in the horizontal direction. Since the hanger rod 802 in the present application is rotatably connected to the supporting member 803, it can be rotated relative to the supporting member 803 during the heating, cleaning, coating and cooling stages.

[0113] Preferably, the clamping mechanism 12 in the present application is arranged at a position corresponding to the support member 803, and the clamping mechanism 12 includes a clamping drive 1201 and a clamping claw 1202. The clamping drive 1201 can drive the clamping claw 1202 to move toward or away from the support member 803. When the hanger rod 802 needs to be clamped and limited, the clamping drive 1201 extends to move the clamping claw 1202 toward the direction close to the hanger rod 802.

[0114] More preferably, if Fig. 9 As shown, in the present application, a positioning recess is formed at one end of the pressure claw 1202 away from the clamping drive 1201. Therefore, a limiting space can be formed by cooperating with the positioning recess and the supporting member 803, so that the hanging rod 802 can be limited through the limiting space, which can avoid the hanging rod 802 from jumping in the vertical direction to a certain extent, affecting the stability of the overall structural operation and the coating effect.

[0115] Optionally, the clamping mechanism in the present application further includes a fiber wheel assembly, the limiting wheel assembly is rotatably connected to the pressing claw 1202, and part of the limiting wheel assembly is located in the limiting space and can contact the hanging rod 802. That is, when the hanging rod 802 enters the limiting space, the limiting wheel assembly can contact the hanging rod 802, so that when the hanging rod 802 rotates, the limiting wheel assembly can rotate with the hanging rod 802, so that the hanging rod 802 can be limited and the rotation of the hanging rod 802 can be avoided.

[0116] It can be understood that the limiting space formed by the positioning recess and the supporting member 803 in the present application does not completely lock the hanger rod 802. The formed limiting space and the hanger rod 802 still have a certain gap in space, but the gap is smaller, thereby ensuring the limiting of the hanger rod 802 while avoiding the pressure claw 1202 from affecting the rotation of the hanger rod 802.

[0117] In addition, if Fig.15As shown, the present invention also includes a coating method, which uses the above-mentioned continuous coating line, including the following steps: step 1, the material rack 8 is loaded at the loading device 1, and the loading device 1 conveys the loaded material rack 8 to the heating device 2; step 2, the heating device 2 receives the material rack 8 and starts heating, and conveys it to the cleaning device 3 after reaching the preheating temperature; step 3, the cleaning device 3 cleans the workpiece on the material rack 8, and conveys it to the coating device 4 after cleaning; step 4, a plurality of sequentially connected coating devices 4 coat the workpiece, and convey it to the cooling device 5 after coating is completed; Step 5, the cooling device 5 cools the workpiece, and after cooling, it is transported to the unloading device 6, and the workpiece is removed from the material rack 8 at the unloading device 6; Step 6, the material rack 8 after unloading is transported to the second position of the unloading device 6 by the second lifting mechanism, and is transported to the fourth conduction mechanism 503 through the unloading mechanism 601; Step 7, the material rack 8 passes through the fourth conduction mechanism 503, the third conduction mechanism 403, the second conduction mechanism 302 and the first conduction mechanism 203 in sequence to reach the second position of the feeding mechanism 101, and returns to the first position again through the first lifting mechanism for loading.

[0118] Among them, in step two to step five, when the material rack 8 reaches the corresponding heating device 2, cleaning device 3, coating device 4 and cooling device 5, the opening of the positioning block 902 faces the direction of entry of the material rack 8, so that the linkage block 804 can enter the positioning space; then the first drive component 901 drives the positioning block 902 to rotate 180°, so that the opening of the positioning block 902 faces the direction of output of the material rack 8, and the pushing end of the pushing mechanism 10 pushes the abutment part 8011, so that the material rack 8 goes deeper into the positioning space; then the clamping drive 1201 drives the pressing claw 1202 to move in the direction close to the material rack 8 to limit the hanging rod 802 of the material rack 8; then the first drive component 901 drives the positioning block 902 to rotate, driving the linkage block 804 to rotate, so as to transmit power to the hanging rod 802 through the transmission component 805, thereby realizing the rotation of the hanging rod 802.

[0119] Specifically, in steps 2 to 5, when heating, cleaning, coating and cooling are completed, the first drive assembly 901 stops, the positioning block 902 stops and the opening of the positioning block 902 is directed toward the output direction of the material rack 8; the clamping drive 1201 drives the pressing claw 1202 to move away from the material rack 8, releasing the hanging rod 802, so that the material rack 8 can move to the next device.

[0120] The coating method using the continuous coating line provided in the present application can achieve accurate positioning and stable rotation of the material rack 8 and the cyclic operations of heating, cleaning, coating, cooling, unloading, reflow of the material rack 8 and loading of the workpiece, which greatly improves the work efficiency.

[0121] Each chamber of the continuous coating line of the present application is modularly designed, and the number and type of coating devices can be selected according to different process requirements to form different process production lines. Different coating devices can also be selectively enabled on the same production line to complete different processes. The continuous coating line of the present application breaks the fixedness of the original coating system, making the coating line flexible, ductile and interconnected.

[0122] In addition, the continuous coating line of the present application is provided with standard valves at the inlet of the heating chamber, the connection between the cleaning chamber and the heating chamber, the connection between the cleaning chamber and the coating chamber, the connection between adjacent coating chambers, and the connection between the coating chamber and the cooling chamber. The standard valve is different from the gate valve that has been consistently used in the coating system in the prior art. The gate valve is expensive and has been damaged by long-term switching, resulting in poor operating reliability of the entire equipment. The standard valve is a standard valve used in vacuum equipment. The present application innovatively uses it in the continuous coating line of the present application. After opening, it can meet the requirements of material transportation in different chambers, and has strong reliability, which significantly reduces production costs and operating and maintenance costs.

[0123] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A continuous coating line, characterized in that: It includes a loading device, a heating device, a cleaning device, multiple coating devices, a cooling device, a unloading device and a material rack; The feeding device comprises a first lifting mechanism and a feeding mechanism, wherein the feeding mechanism is connected to the first lifting mechanism, and the first lifting mechanism can drive the feeding mechanism to reciprocate in a vertical direction between a first position and a second position; The heating device comprises a heating cavity and a first conduction mechanism, the cleaning device comprises a cleaning cavity and a second conduction mechanism, the plurality of coating devices each comprises a coating cavity and a third conduction mechanism, the cooling device comprises a cooling cavity and a fourth conduction mechanism, the unloading device comprises a second lifting mechanism and a unloading mechanism, the inlet of the heating cavity is connected to the discharge position of the feeding mechanism, the outlet of the heating cavity is connected to the inlet of the cleaning cavity, the inlets and outlets of the coating chambers of the plurality of coating devices are connected in sequence, and the inlet of the coating cavity at the head end of the plurality of coating devices is connected to the outlet of the cleaning cavity, and the inlet of the cooling cavity is connected to the outlet of the coating cavity at the end; The unloading mechanism is connected to the second lifting mechanism, and the second lifting mechanism can drive the unloading mechanism to reciprocate between the first position and the second position in the vertical direction. The unloading mechanism can carry the material rack output by the cooling device when in the first position, and can transfer the material rack to the fourth conducting mechanism when in the second position; The fourth conducting mechanism, the third conducting mechanism, the second conducting mechanism, the first conducting mechanism and the feeding mechanism located at the second position are connected to each other so as to transfer the material rack to the feeding mechanism.

2. The continuous coating line according to claim 1, characterized in that: The heating device, the cleaning device, the coating device and the cooling device all include a material rack transmission mechanism, the material rack includes a frame assembly, a transmission assembly and a linkage block, the frame assembly includes a positioning frame and a hanging rod, the hanging 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, and the output end is connected to one end of the hanging rod; The material rack transmission mechanism includes a first 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 first driving component is connected to the positioning component to drive the positioning component to rotate.

3. The continuous coating line according to claim 2, characterized in that: The positioning assembly includes a positioning block, the positioning block is formed with an opening communicating with the positioning space, so that the linkage block can enter the positioning space through the opening; The linkage block is formed with two parallel first straight sides, and the positioning block is formed with a second straight side corresponding to the first straight side of the linkage block, and the first straight side is in contact with the second straight side.

4. The continuous coating line according to claim 3, characterized in that: The heating device, the cleaning device, the coating device and the cooling device all include a pushing mechanism, which is arranged at the end of the positioning frame away from the first driving component, and an abutment portion is formed at the end of the positioning frame away from the linkage block, and the pushing end of the pushing mechanism can move toward or away from the abutment portion, and push the abutment portion to move the positioning frame toward the first driving component.

5. The continuous coating line according to claim 4, characterized in that: The pushing mechanism comprises a pushing block and a second driving assembly, wherein the telescopic end of the second driving assembly is connected to the pushing block to drive the pushing block to move.

6. The continuous coating line according to claim 5, characterized in that: The pushing mechanism also includes a connecting piece, a positioning seat and a limiting piece; The pushing block is L-shaped, and one end of the pushing block is a connecting end and the other end is 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 assembly, 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 assembly, and the other end is connected to the limiting member; The limiting hole is a waist hole, the limiting member is arranged in the limiting hole, and the limiting member can move in the limiting hole, so that the pushing end can move toward or away from the abutting portion.

7. The continuous coating line according to claim 4, characterized in that: The heating device, the cleaning device, the coating device and the cooling device all include a clamping mechanism, which includes a clamping drive and a clamping claw. The output end of the clamping drive is connected to the clamping claw, and the clamping claw can cooperate with the material rack to limit the hanging rod of the material rack.

8. The continuous coating line according to claim 7, characterized in that: The clamping mechanism also includes a limiting wheel assembly, which is rotatably connected to the pressing claw. The pressing claw forms a limiting space. Part of the limiting wheel assembly is located in the limiting space and can contact the hanger rod.

9. The continuous coating line according to claim 7, characterized in that: The feeding device comprises a first frame, and the first lifting mechanism is connected to the first frame; The heating device further includes a second frame, the cleaning device further includes a third frame, the coating device further includes a fourth frame, and the cooling device further includes a fifth frame. The second frame, the third frame, the fourth frame, and the fifth frame are all provided with a bearing platform for bearing the cleaning chamber, the heating chamber, the coating chamber, and the cooling chamber. The unloading device comprises a sixth frame, and the second lifting mechanism is connected to the sixth frame.

10. The continuous coating line according to claim 7, characterized in that: The heating device further comprises a plurality of first heating components, the plurality of first heating components are connected to the heating cavity, and the heating ends of the first heating components are located in the heating cavity.

11. The continuous coating line according to claim 7, characterized in that: It also includes a second heating component, which is disposed in the cleaning cavity and the coating cavity, and the heating end of the second heating component connected to the cleaning cavity is located in the cleaning cavity, and the heating end of the second heating component connected to the coating cavity is located in the coating cavity.

12. The continuous coating line according to claim 7, characterized in that: The cleaning device further comprises an ion source, and the ion source is connected to the cleaning chamber.

13. The continuous coating line according to claim 7, characterized in that: The coating device also includes a plurality of column target mechanisms, which are evenly distributed on two mounting walls adjacent to the coating cavity and the top wall. The target materials of the column target mechanisms are located in the coating cavity and are arranged around the material rack, and the distances between the target materials of the plurality of column target mechanisms and the workpieces carried on the material rack are the same.

14. The continuous coating line according to claim 7, characterized in that: The heating device, the cleaning device, the coating device and the cooling device all include a conveying mechanism, and the conveying mechanism includes a plurality of conveying wheel sets, a driving member and a conducting component; The plurality of conveying wheel groups are arranged at intervals along the traveling direction of the material rack, and the transmission component includes a first transmission member and a second transmission member, the input end of the first transmission member is power-connected to the output end of the driving member, the output end of the first transmission member is power-connected to the input end of the second transmission member, and the output end of the second transmission member is connected to the input end of the conveying wheel group.

15. A coating method, using the continuous coating line according to any one of claims 7 to 14, characterized in that: The steps include: Step 1, the material rack is loaded at the loading device, and the loading device transports the loaded material rack to the heating device; Step 2: The heating device starts heating after receiving the material rack, and transports the material to the cleaning device after reaching the preheating temperature; Step 3, the cleaning device cleans the workpiece on the material rack and transports the workpiece to the coating device after cleaning; Step 4, a plurality of coating devices connected in sequence coat the workpiece, and transport the workpiece to the cooling device after coating is completed; Step 5, the cooling device cools the workpiece, and after cooling, the workpiece is transported to the unloading device, and the workpiece is removed from the material rack at the unloading device; Step 6: After unloading, the material rack is transported to the second position of the unloading device by the second lifting mechanism, and is transported to the fourth transmission mechanism through the unloading mechanism; Step seven, the material rack passes through the fourth conduction mechanism, the third conduction mechanism, the second conduction mechanism and the first conduction mechanism in sequence to reach the second position of the feeding mechanism, and returns to the first position again through the first lifting mechanism for loading.

16. The coating method according to claim 15, characterized in that: In step 2 to step 5, when the material rack reaches the corresponding heating device, the cleaning device, the coating device and the cooling device, the opening of the positioning block faces the direction in which the material rack enters, so that the linkage block can enter the positioning space; Then, the first driving assembly drives the positioning block to rotate 180°, so that the opening of the positioning block faces the direction of the material rack output, and the pushing end of the pushing mechanism pushes the abutting portion, so that the material rack goes deep into the positioning space; Then, the pressing drive drives the pressing claw to move toward the material rack to limit the hanging rod of the material rack; Afterwards, the first driving assembly drives the positioning block to rotate, driving the linkage block to rotate, so as to transmit power to the hanging rod through the transmission assembly to realize the rotation of the hanging rod.

17. The coating method according to claim 15, characterized in that: In step 2 to step 5, after heating, cleaning, coating and cooling are completed, the first driving component stops, the positioning block stops and the opening of the positioning block faces the output direction of the material rack; The clamping drive drives the pressing claw to move away from the material rack, releasing the hanging rod, so that the material rack can move to the next device.

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