A transmission for continuous coating of a filamentary substrate

Abstract

The application relates to the technical field of vacuum coating, and provides a transmission device for continuously coating a filamentous base material, which comprises a revolving disc, a first support and a second support arranged on the revolving disc, a first take-up reel, a second take-up reel and a driving mechanism; the first support and the second support are arranged in parallel, a first mounting shaft is fixedly arranged on the first support, a plurality of first wire rollers are rotatably arranged on the first mounting shaft, a second mounting shaft is slidably arranged on the second support, a plurality of second wire rollers are rotatably arranged on the second mounting shaft, and an elastic tensioning piece is arranged on the second support and used for driving the second mounting shaft to move away from the first mounting shaft; the driving mechanism drives the first take-up reel and the second take-up reel to synchronously rotate; one end of the filamentous base material is wound on the first take-up reel, then the filamentous base material is staggered and arranged through the first wire rollers and the second wire rollers, and the other end of the filamentous base material is wound on the second take-up reel; the transmission device has the advantages of continuous and uniform coating and simple control.

Description

Technical Field

[0001] This application belongs to the field of vacuum coating technology, and more specifically, relates to a transmission device for continuous coating on a filamentary substrate. Background Technology

[0002] In vacuum coating equipment, vacuum coating is mainly performed on static substrates or roll-to-roll wide substrates. Traditional coating rarely involves coating filamentous or bundled substrates. The main technical challenges are, firstly, the poor uniformity of coating on filamentous cylindrical surfaces, and secondly, the difficulty in achieving continuous coating on long filamentous substrates.

[0003] When using roll-to-roll continuous coating, the rotation speed of the roll is precisely controlled by a servo motor to adapt to changes in roll diameter. These control signals are derived from tension control. This type of control logic is complex, the structure is complicated, and the equipment is large. Summary of the Invention

[0004] To address the shortcomings of the prior art, the purpose of this application is to provide a transmission device for continuous coating on a filamentous substrate. By arranging the filamentous substrate on the wiring roller in a "shoelace" manner, the uniform distribution of the filamentous substrate is ensured, and both the upper and lower surfaces can contact the coating surface. As the rotary table rotates, the left and right sides of the filamentous substrate are also continuously cut into the coating surface, thereby completing the uniform coating of the filamentous substrate.

[0005] To achieve the above objectives, the technical solution adopted in this application is as follows: a transmission device for continuous film deposition on a filamentous substrate is provided, comprising: a rotary disk and a first support, a second support, a first take-up and undo roller, a second take-up and undo roller, and a driving mechanism disposed on the rotary disk; the first support and the second support are arranged in parallel, a first mounting shaft is fixedly disposed on the first support, and a plurality of first wire-laying rollers are rotatably disposed on the first mounting shaft, a second mounting shaft is slidably disposed on the second support, and a plurality of second wire-laying rollers are rotatably disposed on the second mounting shaft, and an elastic tensioning member is provided on the second support to drive the second mounting shaft to move away from the first mounting shaft; the driving mechanism drives the first take-up and undo rollers and the second take-up and undo rollers to rotate synchronously; one end of the filamentous substrate is wound around the first take-up and undo roller, and then interleaved by the first wire-laying roller and the second wire-laying roller, and the other end is wound around the second take-up and undo roller.

[0006] In one embodiment, the drive mechanism includes: a main drive gear, a first driven pinion, a second driven pinion, a third driven pinion, a first bevel gear set, and a second bevel gear set. The first and second bevel gear sets are respectively mounted on the rotary table via corresponding bearing housings. The first take-up and untake-up rollers are mounted on the transverse axis of the first bevel gear set, the second take-up and untake-up rollers are mounted on the transverse axis of the second bevel gear set, the first driven pinion is mounted on the vertical axis of the first bevel gear set, the second driven pinion is mounted on the vertical axis of the second bevel gear set, and the third driven pinion is rotatably mounted on the rotary table via its own axis. The main drive gear meshes with the first driven pinion and the third driven pinion, and the third driven pinion meshes with the second driven pinion.

[0007] In one embodiment, the bearing housing assembly includes a transverse bearing housing and a longitudinal bearing housing, wherein the transverse bearing housing is used for rotatably mounting a transverse shaft, and the longitudinal bearing housing is used for rotatably mounting a vertical shaft.

[0008] In one embodiment, the rotary table is further provided with a take-up / release wheel cover plate, a bracket cover plate, and a gear top cover plate.

[0009] In one embodiment, two elastic tensioning members are provided and located at both ends of the second bracket, and the elastic tensioning members are elastically connected to both ends of the second mounting shaft.

[0010] In one embodiment, the elastic tensioning element is a tension spring; the second bracket includes at least one U-shaped frame, with elongated grooves on both side plates of the U-shaped frame, and both ends of the second mounting shaft extending through the elongated grooves. Screws are provided on the outer side of the side plates, and one end of the tension spring is hooked onto the screws, while the other end is hooked onto the second mounting shaft.

[0011] In one embodiment, the second bracket is provided with a guide that allows the second mounting shaft to move parallel to it.

[0012] In one embodiment, the guide includes a guide shaft and a linear bearing housing, the linear bearing housing being mounted on the U-shaped frame, the guide shaft being slidably disposed on the linear bearing housing, the sliding direction of the guide shaft being the same as the length direction of the elongated groove, and one end of the guide shaft being fixed to the second mounting shaft.

[0013] In one embodiment, each of the first wiring rollers and each of the second wiring rollers are rotatably mounted via bearings.

[0014] The beneficial effects of the transmission device for continuous coating on filamentary substrate provided in this application are as follows: the filamentary substrate is arranged in an alternating manner on the first and second wire-laying rollers, forming a "shoelace" pattern, so that the filamentary substrate changes direction after the wire-laying rollers, and the upper and lower surfaces are alternately coated, which ensures that the filamentary substrate can contact the coating surface on both the upper and lower surfaces; in addition, the rotation of the turntable itself causes the left and right sides of the filamentary substrate to continuously cut the coating surface, so that effective coating can also be carried out on both sides; finally, the filamentary substrate is also slowly moving under the rotation of the two take-up and unwinding rollers, thereby achieving effective and uniform coating. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 A schematic diagram of the winding method of the filament substrate and the coating area in the transmission device for continuous coating on the filament substrate provided in the embodiments of this application;

[0017] Figure 2 This is a partial cross-sectional view of the transmission device with continuous film deposition on a filamentary substrate provided in an embodiment of this application.

[0018] Figure 3 This is a top view of the drive mechanism in a transmission device for continuous film deposition on a filamentary substrate, as provided in an embodiment of this application.

[0019] The following are the labeling elements in the figure:

[0020] 1. Rotary disc; 2. First support; 21. First mounting shaft; 22. First wire feeding roller; 3. Second support; 31. Second mounting shaft; 32. Second wire feeding roller; 33. Elastic tensioning element; 34. Guide element; 341. Guide shaft; 342. Linear bearing housing; 4. First take-up and pay-off roller; 5. Second take-up and pay-off roller; 6. Drive mechanism; 61. Main drive gear; 62. First driven pinion; 63. Second driven pinion; 64. Third driven pinion; 65. First bevel gear set; 66. Second bevel gear set; 67. Bearing housing set; 671. Transverse bearing housing; 672. Longitudinal bearing housing; 68. Rotation connecting shaft; 7. Take-up and pay-off roller cover plate; 8. Support cover plate; 9. Gear top cover plate. Detailed Implementation

[0021] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0022] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0023] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0025] like Figures 1-3 As shown, a transmission device for continuous coating on a filamentary substrate provided in this application embodiment will now be described. This transmission device is installed inside the coating chamber of a vacuum coating equipment. Specifically, the transmission device includes a rotating disk 1 and a first support 2, a second support 3, a first take-up / untake-off roller 4, a second take-up / untake-off roller 5, and a drive mechanism 6, all mounted on the rotating disk 1. In existing vacuum coating equipment, the rotating disk 1 can rotate within the coating chamber, thereby driving the components mounted on the rotating disk 1 to rotate.

[0026] like Figure 2 and Figure 3As shown, in this embodiment, the first bracket 2 and the second bracket 3 are arranged parallel to each other on the rotary disk 1 through corresponding bases. The first bracket 2 is fixedly provided with a first mounting shaft 21, and a plurality of first wiring rollers 22 are rotatably provided on the first mounting shaft 21. Each first wiring roller 22 is rotatably mounted on the first mounting shaft 21 through a bearing. The second bracket 3 is slidably provided with a second mounting shaft 31, which is parallel to the first mounting shaft 21. A plurality of second wiring rollers 32 are rotatably provided on the second mounting shaft 31. Each second wiring roller 32 is rotatably mounted on the second mounting shaft 31 through a bearing. The circumferential surfaces of the first wiring rollers 22 and the second wiring rollers 32 are both provided with annular grooves for winding filamentous substrate. The second bracket 3 is provided with an elastic tensioning member 33 that drives the second mounting shaft 31 to move away from the first mounting shaft 21. When the filamentous substrate is wound on the first wiring roller 22 and the second wiring roller 32, the filamentous substrate will pull the second mounting shaft 31 and the first mounting shaft 21 closer together. The function of the elastic tensioning member 33 is to keep the second mounting shaft 31 always moving away from the first mounting shaft 21, so as to ensure that the filamentous substrate is in a straight state.

[0027] In this embodiment, the drive mechanism 6 drives the first take-up and untake-up roller 4 and the second take-up and untake-up roller 5 to rotate synchronously. Thus, the first take-up and untake-up roller 4 and the second take-up and untake-up roller 5 share a single drive mechanism 6, ensuring synchronous rotation and eliminating the need for additional control and adjustment. Furthermore, by rotating the drive mechanism 6 in both directions, reciprocating coating can be achieved without opening the vacuum coating equipment or replacing the take-up and untake-up rollers.

[0028] In this embodiment, one end of the filamentous substrate is wound around the first take-up and unwinding roller 4, and then alternately laid over the first wiring roller 22 and the second wiring roller 32 in sequence, finally winding the other end around the second take-up and unwinding roller 5. When the driving mechanism 6 drives the first take-up and unwinding roller 4 and the second take-up and unwinding roller 5 to rotate synchronously, the filamentous substrate moves evenly on the first wiring roller 22 and the second wiring roller 32, realizing the alternating replacement of the upper and lower surfaces of the filamentous substrate. Combined with the rotation of the rotary disk 1, the coating surfaces on the left and right sides of the filamentous substrate are cut for coating, thereby ensuring uniform and comprehensive coating of the filamentous substrate.

[0029] like Figure 2 and Figure 3As shown, in this embodiment, the drive mechanism 6 includes: a main drive gear 61, a first driven pinion 62, a second driven pinion 63, a third driven pinion 64, a first bevel gear set 65, and a second bevel gear set 66. The main drive gear 61 is rotatably mounted at the center of the rotary disk 1 via a rotation connecting shaft 68. The rotation connecting shaft 68 is connected to a drive motor outside the vacuum chamber of the vacuum coating equipment, and the drive motor drives the main drive gear 61 to rotate in both directions via the rotation connecting shaft 68. The first bevel gear set 65 and the second bevel gear set 66 are respectively mounted on the rotary table 1 via corresponding bearing housings 67. The function of the first bevel gear set 65 and the second bevel gear set 66 is to change the direction of rotation. The first take-up and untake-up roller 4 is mounted on the transverse axis of the first bevel gear set 65, and the second take-up and untake-up roller 5 is mounted on the transverse axis of the second bevel gear set 66. The first driven pinion 62 is mounted on the vertical axis of the first bevel gear set 65, the second driven pinion 63 is mounted on the vertical axis of the second bevel gear set 66, and the third driven pinion 64 is rotatably mounted on the rotary table 1 via its own axis. The main drive gear 61 meshes with the first driven pinion 62 and the third driven pinion 64, and the third driven pinion 64 meshes with the second driven pinion 63. The first bevel gear set 65 and the second bevel gear set 66 are arranged symmetrically at intervals.

[0030] In actual operation, the drive motor drives the self-rotating connecting shaft 68 to rotate the main drive gear. The main drive gear drives the first driven pinion 62 and the third driven pinion 64 to rotate. The first driven pinion 62 drives the first take-up and untake-up roller 4 to rotate through the first bevel gear set 65. The rotation of the third driven pinion 64 drives the second driven pinion 63 to rotate. Then, the second driven pinion 63 drives the second take-up and untake-up roller 5 to rotate through the second bevel gear set 66, thus achieving synchronous and co-directional rotation of the first take-up and untake-up roller 4 and the second take-up and untake-up roller 5.

[0031] In this embodiment, the bearing housing assembly 67 includes a transverse bearing housing 671 and a longitudinal bearing housing 672. The first bevel gear assembly 65 and the second bevel gear assembly 66 both include a transverse shaft, a vertical shaft, and bevel gears respectively mounted on the transverse shaft and the vertical shaft. The transverse bearing housing 671 is used to rotatably mount the transverse shaft, and the longitudinal bearing housing 672 is used to rotatably mount the vertical shaft.

[0032] In this embodiment, the rotary table 1 is also provided with a take-up and release roller cover plate 7, a support cover plate 8, and a gear top cover plate 9. Two take-up and release roller cover plates 7 are provided, which respectively cover the first take-up and release roller 4 and the second take-up and release roller 5. Two support cover plates 8 are provided, which respectively cover the first support 2 and the second support 3. The gear top cover plate covers each gear of the drive assembly. The purpose of the cover plates is to prevent the target material from seeping into the bearings or bearing seats of each rotating connection during the coating process.

[0033] In this embodiment, two elastic tensioning members 33 are provided and located at both ends of the second bracket 3, respectively. The elastic tensioning members 33 are elastically connected to both ends of the second mounting shaft 31. Specifically, the elastic tensioning member 33 is a tension spring; the second bracket 3 includes at least one U-shaped frame, and elongated grooves are provided on both side plates of the U-shaped frame. The elongated grooves are the translation range of the second mounting shaft 31. Both ends of the second mounting shaft 31 extend out of the side plates through the elongated grooves. Screws are provided on the outer side of the side plates along the length of the elongated grooves. One end of the tension spring is hooked onto the screw, and the other end is hooked onto the second mounting shaft 31; of course, screws or pins can also be provided on the first mounting shaft 21 for the tension spring to hook onto.

[0034] To ensure that the second mounting shaft 31 only moves in a straight line, the second bracket 3 is provided with a guide 34 to allow the second mounting shaft 31 to move in parallel. The purpose of the guide 34 is to ensure that the second mounting shaft 31 moves in a straight line only along the length direction of the elongated groove. Specifically, the guide 34 includes a guide shaft 341 and a linear bearing seat 342. The linear bearing seat 342 is mounted on the U-shaped frame, and the guide shaft 341 is slidably disposed on the linear bearing seat 342. The sliding direction of the guide shaft 341 is the same as the length direction of the elongated groove, and one end of the guide shaft 341 is fixed to the second mounting shaft 31. When the second mounting shaft 31 moves in a straight line, the guide shaft 341 slides in a straight line on the linear bearing seat 342.

[0035] This embodiment also provides a vacuum coating apparatus, which includes at least the aforementioned transmission device.

[0036] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A transmission device for continuous film deposition on a filamentary substrate, characterized in that, include: A rotary table (1) and a first support (2), a second support (3), a first take-up and untake-up roller (4), a second take-up and untake-up roller (5), and a drive mechanism (6) are arranged on the rotary table (1); the first support (2) and the second support (3) are arranged in parallel, a first mounting shaft (21) is fixedly provided on the first support (2), and a plurality of first wire rollers (22) are rotatably provided on the first mounting shaft (21), and a second mounting shaft (31) is slidably provided on the second support (3), and a second mounting shaft (31) is rotatably provided on the second mounting shaft (31). A plurality of second wiring rollers (32) are provided, and the second bracket (3) is provided with an elastic tensioner (33) that drives the second mounting shaft (31) to move away from the first mounting shaft (21); the driving mechanism (6) drives the first take-up and release roller (4) and the second take-up and release roller (5) to rotate synchronously; one end of the filament substrate is wound around the first take-up and release roller (4), and then interlaced by the first wiring roller (22) and the second wiring roller (32), and the other end is wound around the second take-up and release roller (5).

2. The transmission device for continuous film deposition on a filamentary substrate as described in claim 1, characterized in that: The drive mechanism (6) includes: a main drive gear (61), a first driven pinion (62), a second driven pinion (63), a third driven pinion (64), a first bevel gear set (65), and a second bevel gear set (66). The first bevel gear set (65) and the second bevel gear set (66) are respectively mounted on the rotary table (1) via corresponding bearing seats (67). The first take-up and untake-up roller (4) is mounted on the transverse shaft of the first bevel gear set (65), and the second take-up and untake-up roller (5) is mounted on the first drive gear set (66). On the transverse axis of the two bevel gear sets, the first driven pinion (62) is mounted on the vertical axis of the first bevel gear set (65), the second driven pinion (63) is mounted on the vertical axis of the second bevel gear set (66), and the third driven pinion (64) is rotatably mounted on the revolving disk (1) via its own axis. The main drive gear (61) meshes with the first driven pinion (62) and the third driven pinion (64), and the third driven pinion (64) meshes with the second driven pinion (63).

3. The transmission device for continuous film deposition on a filamentary substrate as described in claim 2, characterized in that: The bearing housing assembly (67) includes a transverse bearing housing (671) and a longitudinal bearing housing (672), wherein the transverse bearing housing (671) is used to rotatably mount a transverse shaft, and the longitudinal bearing housing (672) is used to rotatably mount a vertical shaft.

4. The transmission device for continuous film deposition on a filamentary substrate as described in claim 3, characterized in that: The rotary table (1) is also equipped with a take-up and release wheel cover plate (7), a bracket cover plate (8), and a gear top cover plate (9).

5. The transmission device with continuous film deposition on a filamentary substrate as described in any one of claims 1-4, characterized in that: Two elastic tensioning members (33) are provided and located at both ends of the second bracket (3), and the elastic tensioning members (33) are elastically connected to both ends of the second mounting shaft (31).

6. The transmission device for continuous film deposition on a filamentary substrate as described in claim 5, characterized in that: The elastic tensioning element (33) is a tension spring; the second bracket (3) includes at least one U-shaped frame, with long grooves on both sides of the U-shaped frame, and the two ends of the second mounting shaft (31) extend through the long grooves. Screws are provided on the outer side of the side plate, and one end of the tension spring is hooked onto the screws, while the other end is hooked onto the second mounting shaft (31).

7. The transmission device for continuous film deposition on a filamentary substrate as described in claim 6, characterized in that: The second bracket (3) is provided with a guide (34) that allows the second mounting shaft (31) to move in parallel.

8. The transmission device for continuous film deposition on a filamentary substrate as described in claim 7, characterized in that: The guide member (34) includes a guide shaft (341) and a linear bearing seat (342). The linear bearing seat (342) is mounted on the U-shaped frame. The guide shaft (341) is slidably disposed on the linear bearing seat (342). The sliding direction of the guide shaft (341) is the same as the length direction of the elongated groove. One end of the guide shaft (341) is fixed on the second mounting shaft (31).

9. The transmission device for continuous film deposition on a filamentary substrate as described in claim 1, characterized in that: Each of the first wiring rollers (22) and each of the second wiring rollers (32) are rotatably mounted via bearings.

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