Double-sided coating equipment and coating method for filter processing

Abstract

The invention relates to the technical field of coating equipment, and discloses a double-sided coating equipment and a coating method for filter processing, comprising a vacuum coating cabinet, a coating umbrella and a control cabinet, and is characterized in that: the coating umbrella comprises a flange tube, a rotating tube, an umbrella frame, a mounting frame, a rotating shaft, a placement frame and a placement plate; the double-sided coating equipment, by arranging a forward and reverse motor drive shaft, a rotating tube drive component, a mounting frame drive component and a placement frame drive component, when the switch gear is in place, the umbrella frame rotates in the same direction and at the same angular velocity as the forward and reverse motor drive shaft, the rotating shaft and the forward and reverse motor drive shaft are relatively stationary, and the placement frame cannot flip over; when the switch gear is dislocated, the umbrella frame no longer rotates but the rotating shaft rotates; when the rotating shaft rotates forward or reversely, it can drive the mounting frame to flip over or the placement frame to flip over respectively, so as to replace different filters for coating or coat the other side of the filter.

Description

Technical Field

[0001] The present invention relates to the technical field of coating equipment, and in particular to a double-sided coating equipment and a coating method for processing optical filters. Background Art

[0002] Optical filters are optical devices used to select the required radiation band. During the processing of optical filters, they need to be optically coated. Optical coating usually involves coating one or more layers of dielectric or metal films on optical components or independent substrates to change the transmission characteristics of light waves.

[0003] Chinese patent CN115786867B discloses an optical lens vacuum coating device and a method of use. By setting the fan blades to rotate to form a circular air wall, the rising steam ions are blocked to improve the efficiency of coating. At the same time, by setting a reversible placement ring, the lens can be turned over, and double-sided coating can be achieved without manually turning the lens over.

[0004] Since the vacuum coating equipment needs to evacuate and heat the inside of the equipment when it is working, it takes time to cool down and replenish gas into the equipment after each coating is completed before the vacuum coating equipment can be opened to take out the coated lenses. The placement ring setting in the above-mentioned equipment limits the number of lenses that can be coated each time the equipment is started, and the number of lenses placed in the coating equipment each time is small. The heating and vacuuming of the equipment both cost a certain amount of money, which makes the operating cost of the coating equipment higher, thereby adversely affecting the coating efficiency. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a double-sided coating device and a coating method for filter processing, which has the advantage of placing more filters at one time for double-sided coating, and solves the problems mentioned in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] A double-sided coating device, comprising a vacuum coating cabinet, a coating umbrella and a control cabinet, wherein the coating umbrella comprises a flange tube, a rotating tube, an umbrella frame, a mounting frame, a rotating shaft, a placement frame and a placement plate, wherein the flange tube is fixedly mounted on the inner top wall of the vacuum coating cabinet, the upper end of the rotating tube is rotatably connected to the lower end of the flange tube, the umbrella frame is fixedly mounted on the lower end of the rotating tube, the mounting frame is movably arranged on the side of the umbrella frame, the rotating shaft is rotatably connected to the mounting frame, and both ends of the rotating shaft are rotatably connected to the umbrella frame, the placement frame is rotated on the surface of the mounting frame, and the placement plate is detachably mounted inside the placement frame;

[0008] A forward and reverse motor drive shaft is installed on the inner top of the vacuum coating cabinet, and the forward and reverse motor drive shaft is drivingly connected to the rotating shaft;

[0009] The coating umbrella is also provided with a driving control mechanism, which includes a rotating tube driving component, a mounting frame driving component and a placing frame driving component;

[0010] The rotating tube driving component is used to drive the rotating tube and the driving shaft of the forward and reverse motor to rotate in the same direction and at the same angular speed. The rotating tube driving component includes a switch gear. When the switch gear is dislocated, the transmission of the rotating tube driving component is interrupted.

[0011] The mounting frame driving component includes a forward drive component and an anti-reverse drive component, wherein the forward drive component is used to make the shaft rotate forward to drive the mounting frame to rotate, and the anti-reverse drive component is used to prevent the shaft from reversing to drive the mounting frame to rotate;

[0012] The placing frame driving component is drivingly connected to the rotating shaft rotating in the opposite direction, and is used to control the placing frame to flip inside the mounting frame;

[0013] The control cabinet is installed on one side of the vacuum coating cabinet.

[0014] Preferably, an upper active bevel gear and a lower active bevel gear are fixedly installed on the upper and lower ends of the forward and reverse motor drive shaft respectively, the upper active bevel gear is meshed and matched with the switch gear, and the outer side of the lower active bevel gear is provided with a lower transmission bevel gear distributed in a ring array, the lower transmission bevel gear is meshed and connected with the lower active bevel gear, and the lower transmission bevel gear is fixedly installed on the rotating shaft.

[0015] Preferably, the rotating tube driving component also includes a swivel, an upper transmission bevel gear, a driven gear, a fixed ring, a driven gear, an intermediate shaft and an intermediate gear. The swivel is rotatably connected to the inner wall of the flange tube, the upper transmission bevel gear and the driven gear are fixedly mounted on the upper and lower surfaces of the swivel respectively, the fixed ring and the intermediate shaft are both fixedly connected to the inner wall of the rotating tube, the driven gear is fixedly mounted on the upper surface of the fixed ring, the intermediate gear is rotatably connected to the intermediate shaft, and the intermediate gear is meshed with the driven gear and the driven gear at the same time, and the switch gear is meshed and matched with the upper transmission bevel gear.

[0016] Preferably, a linear thruster is fixedly mounted on one side wall of the flange tube, and a telescopic end of the linear thruster is rotationally connected to a switch gear.

[0017] Preferably, the forward drive assembly includes a forward drive inner ratchet, a drive rotary block, a drive slider and a drive spring, the forward drive inner ratchet is fixedly mounted on one end of the mounting frame, the drive rotary block is arranged on the inner side of the forward drive inner ratchet, and the drive rotary block is fixedly connected to the rotating shaft, the drive slider is slidably mounted on one end of the drive rotary block, and the end of the drive slider is engaged with the forward drive inner ratchet, and the two ends of the drive spring are fixedly connected to the drive rotary block and the drive slider respectively.

[0018] Preferably, the anti-reversal assembly includes an anti-reversal inner ratchet, a fixed shaft, an anti-reversal fixed block, an anti-reversal slider and an anti-reversal spring, the anti-reversal inner ratchet is fixedly mounted on the other end of the mounting frame, the ratchet direction of the anti-reversal inner ratchet is the same as the ratchet direction of the forward driving inner ratchet, the fixed shaft is fixedly mounted on the umbrella frame, and the fixed shaft is coaxially arranged with the rotating shaft, the anti-reversal fixed block is fixedly mounted on the fixed shaft, the anti-reversal slider is slidably mounted on one end of the anti-reversal fixed block and the anti-reversal slider is engaged with the anti-reversal inner ratchet, and the two ends of the anti-reversal spring are respectively fixedly connected to the anti-reversal fixed block and the anti-reversal slider.

[0019] Preferably, one end of the rotating shaft passes through a side wall of the mounting frame and is rotatably connected to the inner wall of the other side of the mounting frame, connecting shafts are fixedly installed at both ends of the placement frame, and the sides of the mounting frame are provided with through holes connected to the interior thereof, and the connecting shaft is rotatably connected to the side walls of the through holes, and the placement frame driving component includes a driving spur gear, a driven spur gear and a transmission spur gear, and the driving spur gear and the driven spur gear are fixedly connected to the rotating shaft and the connecting shaft respectively, and the transmission spur gear is rotatably installed on the inner wall of one side of the mounting frame, and the driving spur gear and the driven spur gear are connected through a transmission spur gear.

[0020] Preferably, both ends of the placement frame are connected with plug rods, and a return spring is fixedly installed between the plug rod and the outer wall of the placement frame. Both ends of the placement plate are provided with slots, and the slots are plugged and adapted with the plug rods. The plug rods are respectively arranged on both sides of the connecting shaft.

[0021] Preferably, the surface of the umbrella stand is provided with openings distributed in a circular array, an arc-shaped baffle is fixedly installed on the lower surface of the opening, the mounting frame is arranged on the inner side of the arc-shaped baffle, a notch matching the size of the placement plate is provided in the middle of the lower surface of the arc-shaped baffle, the lower end of the forward and reverse motor drive shaft extends to the interior of the umbrella stand, and an annular baffle is fixedly installed on its lower end, and the annular baffle is tightly attached to the lower surface of the umbrella stand.

[0022] The present invention also discloses a coating method for processing an optical filter, the specific steps of which are:

[0023] Install the filter to be coated into the circular hole on the placement plate;

[0024] Open the door of the vacuum coating cabinet, install the placement plates on all the placement frames respectively, and close the door of the vacuum coating cabinet;

[0025] Start the vacuum pump equipment in the vacuum coating cabinet to perform vacuum operation;

[0026] The control switch gear is put into position and the forward and reverse motor drive shaft is started, so that the umbrella frame rotates along with the forward and reverse motor drive shaft;

[0027] Start the coating equipment inside the vacuum coating cabinet, so that the vapor ions coat the filter near the bottom of the vacuum coating cabinet;

[0028] After the coating of one side of the filter plate on the placement plate near the bottom of the vacuum coating cabinet is completed, the coating equipment inside the vacuum coating cabinet is closed and the rotation of the forward and reverse motor drive shaft is stopped, and the switch gear is controlled to disengage, and then the forward and reverse motor drive shaft is driven to rotate forward, so that the mounting frame rotates a certain angle, and the placement plate near the bottom of the vacuum coating cabinet is replaced, and then the switch gear is controlled to be in place again and the forward and reverse motor drive shaft is started, and the coating equipment inside the vacuum coating cabinet is started for coating;

[0029] After all filter plates are coated on one side, the coating equipment inside the vacuum coating cabinet is turned off and the rotation of the forward and reverse motor drive shaft is stopped. The switch gear is controlled to disengage, and then the forward and reverse motor drive shaft is driven to reverse, so that the placement plate is turned over and the other side of the filter plate is coated.

[0030] Beneficial Effects

[0031] Compared with the prior art, the present invention provides a double-sided coating device, which has the following beneficial effects:

[0032] 1. The double-sided coating equipment is provided with a forward and reverse motor drive shaft, a rotating tube drive component, a mounting frame drive component and a placement frame drive component. When the switch gear is in place, the umbrella frame rotates in the same direction and at the same angular velocity as the forward and reverse motor drive shaft, the rotating shaft and the forward and reverse motor drive shaft are relatively stationary, and the placement frame cannot be flipped. When the switch gear is dislocated, the umbrella frame no longer rotates but the rotating shaft rotates. When the rotating shaft rotates forward, it can drive the mounting frame to flip, and different filters are replaced and placed near the bottom of the vacuum coating cabinet for coating. When the rotating shaft rotates reversely, the mounting frame no longer rotates, and the rotating shaft can drive the placement frame to flip, and the other side of the filter is coated.

[0033] 2. The double-sided coating equipment enables the umbrella frame and the forward and reverse motor drive shaft to rotate in the same direction and at the same angular velocity by arranging a switch gear, an upper active bevel gear, a rotating ring, an upper transmission bevel gear, a passive gear, a fixed ring, a driven gear, an intermediate shaft and an intermediate gear. Since the lower active bevel gear fixedly mounted on the forward and reverse motor drive shaft and the rotating shaft are transmitted through the lower transmission bevel gear, when the umbrella frame and the forward and reverse motor drive shaft can rotate in the same direction and at the same angular velocity, the lower active bevel gear and the lower transmission bevel gear are relatively stationary, so that the mounting frame does not rotate when the umbrella frame rotates, and when the switch gear no longer transmits the rotation of the upper active bevel gear to the upper transmission bevel gear, the umbrella frame no longer rotates, and the lower active bevel gear and the lower transmission bevel gear rotate relatively, driving the rotating shaft to rotate.

[0034] 3. The double-sided coating equipment is provided with a forward driving component, an anti-reverse driving component and a placement frame driving component. When the shaft rotates, the mounting frame or the placement frame is driven to rotate according to the different rotation directions, thereby achieving replacement of the coated filter or turning over the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 This is one of the partial three-dimensional structural schematic diagrams of the double-sided coating device of the present invention;

[0036] Figure 2 For the present invention Figure 1 A schematic diagram of the enlarged three-dimensional structure at center A;

[0037] Figure 3 It is a partial three-dimensional structural cross-sectional view of the double-sided coating device of the present invention;

[0038] Figure 4 For the present invention Figure 3 A magnified schematic diagram of the three-dimensional structure at B in the middle;

[0039] Figure 5 For the present invention Figure 3 The enlarged schematic diagram of the three-dimensional structure at C in the middle;

[0040] Figure 6 It is a schematic diagram of the partial three-dimensional structure decomposition of the double-sided coating device of the present invention;

[0041] Figure 7 For the present invention Figure 6 The enlarged schematic diagram of the three-dimensional structure at D in the middle;

[0042] Figure 8 For the present invention Figure 6 The enlarged schematic diagram of the three-dimensional structure at E in the middle;

[0043] Fig. 9 For the present invention Figure 6 The enlarged schematic diagram of the three-dimensional structure at F in the middle;

[0044] Fig.10 This is the second partial three-dimensional structural schematic diagram of the double-sided coating device of the present invention;

[0045] Fig.11 This is one of the three-dimensional structural schematic diagrams of the double-sided coating device of the present invention;

[0046] Fig.12 This is the second schematic diagram of the three-dimensional structure of the double-sided coating equipment of the present invention.

[0047] In the figure:

[0048] 1. Vacuum coating cabinet; 11. Forward and reverse motor drive shaft; 12. Upper active bevel gear; 13. Lower active bevel gear; 14. Lower transmission bevel gear; 15. Annular baffle;

[0049] 2. Coated umbrella; 21. Flange tube; 22. Rotating tube; 23. Umbrella frame; 231. Through hole; 232. Arc baffle; 233. Notch; 24. Mounting frame; 241. Through hole; 25. Rotating shaft; 26. Placement frame; 261. Connecting shaft; 262. Insertion rod; 263. Reset spring; 27. Placement plate; 271. Slot;

[0050] 3. Rotating tube driving component; 31. Switch gear; 32. Rotating ring; 33. Upper transmission bevel gear; 34. Passive gear; 35. Fixed ring; 36. Driven gear; 37. Intermediate shaft; 38. Intermediate gear; 39. Linear thruster;

[0051] 4. Install the frame drive components;

[0052] 41. Forward drive assembly; 411. Forward drive inner ratchet; 412. Drive rotating block; 413. Drive slider; 414. Drive spring;

[0053] 42, anti-reversal assembly; 421, anti-reversal inner ratchet; 422, fixed shaft; 423, anti-reversal fixed block; 424, anti-reversal slider; 425, anti-reversal spring;

[0054] 5. Place frame driving component; 51. Drive flat gear; 52. Driven flat gear; 53. Transmission flat gear;

[0055] 6. Control cabinet. DETAILED DESCRIPTION

[0056] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0057] Example 1: Please refer to Figure 1 - Figure 4 , Fig.11 and Fig.12The present invention provides a double-sided coating device, including a vacuum coating cabinet 1, a coating umbrella 2 and a control cabinet 6. The coating umbrella 2 includes a flange tube 21, a rotating tube 22, an umbrella frame 23, a mounting frame 24, a rotating shaft 25, a placement frame 26 and a placement plate 27. The flange tube 21 is fixedly installed on the inner top wall of the vacuum coating cabinet 1, the upper end of the rotating tube 22 is rotatably connected to the lower end of the flange tube 21, the umbrella frame 23 is fixedly installed at the lower end of the rotating tube 22, the mounting frame 24 is movably arranged on the side of the umbrella frame 23, the rotating shaft 25 is rotatably connected to the mounting frame 24, and the two ends of the rotating shaft 25 are rotatably connected to the umbrella frame 23, the placement frame 26 rotates on the surface of the mounting frame 24, and the placement plate 27 is detachably installed inside the placement frame 26;

[0058] A forward and reverse motor drive shaft 11 is installed on the inner top of the vacuum coating cabinet 1, and the forward and reverse motor drive shaft 11 is drivingly connected to the rotating shaft 25;

[0059] The coating umbrella 2 is also provided with a driving control mechanism, which includes a rotating tube driving component 3, a mounting frame driving component 4 and a placing frame driving component 5;

[0060] The rotating tube driving component 3 is used to drive the rotating tube 22 and the forward and reverse motor driving shaft 11 to rotate in the same direction and at the same angular speed. The rotating tube driving component 3 includes a switch gear 31. After the switch gear 31 is dislocated, the transmission of the rotating tube driving component 3 is interrupted.

[0061] The mounting frame driving component 4 includes a forward driving component 41 and an anti-reverse driving component 42. The forward driving component 41 is used to make the rotating shaft 25 rotate forward to drive the mounting frame 24 to rotate, and the anti-reverse driving component 42 is used to prevent the rotating shaft 25 from reversely driving the mounting frame 24 to rotate;

[0062] The placing frame driving component 5 is in driving connection with the rotating shaft 25 which rotates in the opposite direction, and is used to control the placing frame 26 to flip inside the mounting frame 24;

[0063] The control cabinet 6 is installed on one side of the vacuum coating cabinet 1 .

[0064] As can be seen from the above, by setting the flange tube 21, the rotating tube 22, the umbrella frame 23, the mounting frame 24, the rotating shaft 25 and the placement frame 26, and coordinating the setting of the forward and reverse motor drive shaft 11, the rotating tube driving component 3, the mounting frame driving component 4 and the placement frame driving component 5, when the switch gear 31 is in place, the umbrella frame 23 and the forward and reverse motor drive shaft 11 rotate in the same direction and at the same angular velocity, and the rotating shaft 25 and the forward and reverse motor drive shaft 11 are relatively stationary, so that the rotating shaft 25 does not rotate, so the placement frame 26 cannot flip, and the placement frame 26 can only rotate with the forward and reverse motor drive shaft 11. When the switch gear 31 is dislocated, the umbrella frame 23 no longer rotates, and the shaft 25 is no longer relatively stationary with the forward and reverse motor drive shaft 11, and the shaft 25 rotates; when the shaft 25 rotates forward, the mounting frame 24 is driven to rotate, so that the placement frame 26 rotates around the shaft 25, and different filters can be replaced and placed near the bottom of the vacuum coating cabinet 1 for coating; when the shaft 25 is reversed, the mounting frame 24 no longer rotates, and the placement frame 26 can be flipped over, and the other side of the filter can be coated, so that the double-sided coating equipment can coat more filters at one time.

[0065] When using the coating equipment, install the filter to be coated into the circular hole on the placement plate 27; open the door of the vacuum coating cabinet 1, install the placement plate 27 on all the placement frames 26 respectively, and close the door of the vacuum coating cabinet 1; start the vacuum pump equipment in the vacuum coating cabinet 1 to perform vacuum operation; control the switch gear 31 to be in place and start the forward and reverse motor drive shaft 11, so that the umbrella frame 23 rotates with the forward and reverse motor drive shaft 11; start the coating equipment inside the vacuum coating cabinet 1, so that the vapor ions coat the filter near the bottom of the vacuum coating cabinet 1; after the coating of one side of the filter plate on the placement plate 27 near the bottom of the vacuum coating cabinet 1 is completed, close the vacuum coating cabinet 1 inside The coating equipment stops the rotation of the forward and reverse motor drive shaft 11, and controls the switch gear 31 to dislocate, and then drives the forward and reverse motor drive shaft 11 to rotate forward, so that the mounting frame 24 rotates a certain angle, and replaces the placement plate 27 close to the bottom of the vacuum coating cabinet 1. Then, the switch gear 31 is controlled to be in place again and the forward and reverse motor drive shaft 11 is started, and the coating equipment inside the vacuum coating cabinet 1 is started for coating; after the coating of one side of all the filter plates is completed, the coating equipment inside the vacuum coating cabinet 1 is closed and the rotation of the forward and reverse motor drive shaft 11 is stopped, the switch gear 31 is controlled to dislocate, and then the forward and reverse motor drive shaft 11 is driven to reverse, so that the placement plate 27 is turned over, and the other side of the filter plate is coated.

[0066] Embodiment 2: Figure 4As shown, the difference between this embodiment and the above embodiment is that an upper active bevel gear 12 and a lower active bevel gear 13 are fixedly mounted on the upper and lower ends of the forward and reverse motor drive shaft 11, respectively, the upper active bevel gear 12 is meshed and matched with the switch gear 31, and the outer side of the lower active bevel gear 13 is provided with a lower transmission bevel gear 14 distributed in a ring array, the lower transmission bevel gear 14 is meshed and connected with the lower active bevel gear 13, and the lower transmission bevel gear 14 is fixedly mounted on the rotating shaft 25.

[0067] It can be seen from the above that the forward and reverse motor drive shaft 11 can drive the switch gear 31 in place to rotate, and at the same time, the forward and reverse motor drive shaft 11 can also drive the rotating shaft 25 to rotate.

[0068] The rotating tube driving component 3 also includes a swivel 32, an upper transmission bevel gear 33, a driven gear 34, a fixed ring 35, a driven gear 36, an intermediate shaft 37 and an intermediate gear 38. The swivel 32 is rotatably connected to the inner wall of the flange tube 21, the upper transmission bevel gear 33 and the driven gear 34 are fixedly mounted on the upper surface and the lower surface of the swivel 32 respectively, the fixed ring 35 and the intermediate shaft 37 are both fixedly connected to the inner wall of the rotating tube 22, the driven gear 36 is fixedly mounted on the upper surface of the fixed ring 35, the intermediate gear 38 is rotatably connected to the intermediate shaft 37, and the intermediate gear 38 is meshed with the driven gear 34 and the driven gear 36 at the same time, and the switch gear 31 is meshed and matched with the upper transmission bevel gear 33.

[0069] As can be seen from the above, when the switch gear 31 is in place, the upper active bevel gear 12 drives the upper transmission bevel gear 33 to rotate through the switch gear 31, and the passive gear 34 fixed on the swivel 32 together with the upper transmission bevel gear 33 rotates accordingly. Since the passive gear 34 and the driven gear 36 are transmitted through the intermediate gear 38, the upper active bevel gear 12 can rotate in the same direction and at the same angular velocity as the driven gear 36. Therefore, when the switch gear 31 is in place, the forward and reverse motor drive shaft 11 can drive the rotating tube 22 to rotate in the same direction and at the same angular velocity.

[0070] A linear thruster 39 is fixedly mounted on one side wall of the flange pipe 21 , and a telescopic end of the linear thruster 39 is rotatably connected to the switch gear 31 .

[0071] As can be seen from the above, the linear thruster 39 mentioned in this embodiment can use the thrust equipment in the prior art, including a safety cylinder and a ball screw, etc.

[0072] Embodiment 3: Figure 2 , Figure 5 , Figure 7 and Figure 8As shown, the difference between this embodiment and the above embodiment lies in that the forward driving assembly 41 includes a forward driving inner ratchet 411, a driving rotating block 412, a driving slider 413 and a driving spring 414, the forward driving inner ratchet 411 is fixedly mounted on one end of the mounting frame 24, the driving rotating block 412 is arranged on the inner side of the forward driving inner ratchet 411, and the driving rotating block 412 is fixedly connected to the rotating shaft 25, the driving slider 413 is slidably mounted on one end of the driving rotating block 412, and the end of the driving slider 413 is engaged with the forward driving inner ratchet 411, and the two ends of the driving spring 414 are respectively fixedly connected to the driving rotating block 412 and the driving slider 413.

[0073] The anti-reversal component 42 includes an anti-reversal inner ratchet 421, a fixed shaft 422, an anti-reversal fixed block 423, an anti-reversal slider 424 and an anti-reversal spring 425. The anti-reversal inner ratchet 421 is fixedly mounted on the other end of the mounting frame 24. The ratchet direction of the anti-reversal inner ratchet 421 is the same as the ratchet direction of the forward driving inner ratchet 411. The fixed shaft 422 is fixedly mounted on the umbrella frame 23, and the fixed shaft 422 is coaxially arranged with the rotating shaft 25. The anti-reversal fixed block 423 is fixedly mounted on the fixed shaft 422. The anti-reversal slider 424 is slidably mounted on one end of the anti-reversal fixed block 423, and the anti-reversal slider 424 is engaged and engaged with the anti-reversal inner ratchet 421. The two ends of the anti-reversal spring 425 are respectively fixedly connected to the anti-reversal fixed block 423 and the anti-reversal slider 424.

[0074] As can be seen from the above, under the action of the driving spring 414, the driving slider 413 is close to the inner side wall of the positive driving inner ratchet 411. Figure 7 As can be seen in the figure, when the driving slider 413 rotates counterclockwise, the driving spring 414 will not be compressed, and the driving slider 413 can drive the positive driving inner ratchet 411 to rotate counterclockwise, so that the mounting frame 24 rotates accordingly. When the driving slider 413 rotates clockwise, the driving spring 414 can be compressed; the anti-reverse fixing block 423 is fixed on the umbrella frame 23 and cannot rotate. Depending on the viewing direction, the attached Figure 7 When the positive rotation driving inner ratchet 411 drives the mounting frame 24 to rotate counterclockwise, the attached Figure 2 The mounting frame 24 drives the anti-reverse inner ratchet 421 to rotate clockwise. When the anti-reverse inner ratchet 421 rotates clockwise, the anti-reverse spring 425 can be compressed, so that the anti-reverse slider 424 retreats. The anti-reverse slider 424 does not restrict the rotation of the mounting frame 24, and the attached Figure 2 When the mounting frame 24 in the embodiment needs to rotate counterclockwise, the anti-reversal fixing block 423 must be pushed to rotate. Figure 2 The mounting bracket 24 in the embodiment cannot rotate counterclockwise, that is to say, the mounting bracket 24 in the embodiment cannot rotate counterclockwise. Figure 7 The mounting bracket 24 in the attachment cannot rotate clockwise. Figure 7When the middle driving slider 413 rotates clockwise, it will not drive the mounting bracket 24 to rotate.

[0075] One end of the rotating shaft 25 passes through a side wall of the mounting frame 24 and is rotatably connected to the inner wall of the other side of the mounting frame 24. Connecting shafts 261 are fixedly installed at both ends of the placement frame 26. The sides of the mounting frame 24 are provided with through holes 241 connected to the interior thereof. The connecting shaft 261 is rotatably connected to the side wall of the through hole 241. The placement frame driving component 5 includes a driving flat gear 51, a driven flat gear 52 and a transmission flat gear 53. The driving flat gear 51 and the driven flat gear 52 are fixedly connected to the rotating shaft 25 and the connecting shaft 261 respectively. The transmission flat gear 53 is rotatably installed on the inner wall of one side of the mounting frame 24. The driving flat gear 51 and the driven flat gear 52 are transmission-connected via the transmission flat gear 53.

[0076] As can be seen from the above, when the driving slider 413 rotates and does not drive the mounting frame 24 to rotate, the driving flat gear 51 rotates relative to the mounting frame 24, thereby driving the driven flat gear 52 to rotate, thereby achieving the flipping of the placement frame 26.

[0077] Embodiment 4: Fig. 9 As shown, the difference between this embodiment and the above embodiment lies in that both ends of the placement frame 26 are connected with an insertion rod 262, a return spring 263 is fixedly installed between the insertion rod 262 and the outer wall of the placement frame 26, and both ends of the placement plate 27 are provided with a slot 271, the slot 271 is plugged and adapted with the insertion rod 262, and the insertion rod 262 is respectively arranged on both sides of the connecting shaft 261.

[0078] As can be seen from the above, when the insertion rod 262 is pulled out from the slot 271, the placement plate 27 can be quickly removed. Since the insertion rod 262 is respectively arranged on both sides of the connecting shaft 261, the axes of the two slots 271 do not overlap. Therefore, the placement plate 27 will not rotate relative to the placement frame 26 after installation.

[0079] Embodiment 5: Figure 4 , Figure 5 and Fig.10 As shown, the difference between this embodiment and the above embodiment lies in that the surface of the umbrella frame 23 is provided with openings 231 distributed in a circular array, the lower surface of the opening 231 is fixedly installed with an arc-shaped baffle 232, the mounting frame 24 is arranged on the inner side of the arc-shaped baffle 232, and the middle part of the lower surface of the arc-shaped baffle 232 is provided with a notch 233 which is adapted to the size of the placement plate 27, the lower end of the forward and reverse motor drive shaft 11 extends to the interior of the umbrella frame 23, and the lower end thereof is fixedly installed with an annular baffle 15, and the annular baffle 15 is tightly attached to the lower surface of the umbrella frame 23.

[0080] It can be seen from the above that by providing the arc-shaped baffle 232 and the annular baffle 15, a shielding effect can be achieved, thereby reducing the probability of steam ions passing through.

[0081] Example 6: Please refer to Figure 1 - Fig.12 The present invention also discloses a coating method for processing a filter, the specific steps of which are:

[0082] Install the filter to be coated into the circular hole on the placement plate 27;

[0083] Open the door of the vacuum coating cabinet 1, install the placement plates 27 on all the placement frames 26 respectively, and close the door of the vacuum coating cabinet 1;

[0084] Start the vacuum pump equipment in the vacuum coating cabinet 1 to perform vacuum operation;

[0085] The control switch gear 31 is put into position and the forward and reverse motor drive shaft 11 is started, so that the umbrella frame 23 rotates along with the forward and reverse motor drive shaft 11;

[0086] Starting the coating equipment inside the vacuum coating cabinet 1 so that the vapor ions coat the filter near the bottom of the vacuum coating cabinet 1;

[0087] After the coating of one side of the filter plate on the placement plate 27 near the bottom of the vacuum coating cabinet 1 is completed, the coating equipment inside the vacuum coating cabinet 1 is closed and the rotation of the forward and reverse motor drive shaft 11 is stopped, and the switch gear 31 is controlled to be dislocated, and then the forward and reverse motor drive shaft 11 is driven to rotate forward, so that the mounting frame 24 rotates a certain angle, and the placement plate 27 near the bottom of the vacuum coating cabinet 1 is replaced, and then the switch gear 31 is controlled to be in place again and the forward and reverse motor drive shaft 11 is started, and the coating equipment inside the vacuum coating cabinet 1 is started to coat;

[0088] After all the filter plates are coated on one side, the coating equipment inside the vacuum coating cabinet 1 is turned off and the rotation of the forward and reverse motor drive shaft 11 is stopped. The switch gear 31 is controlled to be dislocated, and then the forward and reverse motor drive shaft 11 is driven to reverse, so that the placement plate 27 is turned over, and the other side of the filter plate is coated.

[0089] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-sided coating equipment, comprising a vacuum coating cabinet, a coating umbrella and a control cabinet, characterized in that: The coating umbrella comprises a flange tube, a rotating tube, an umbrella frame, a mounting frame, a rotating shaft, a placement frame and a placement plate. The flange tube is fixedly mounted on the inner top wall of the vacuum coating cabinet. The upper end of the rotating tube is rotatably connected to the lower end of the flange tube. The umbrella frame is fixedly mounted on the lower end of the rotating tube. The mounting frame is movably arranged on the side of the umbrella frame. The rotating shaft is rotatably connected to the mounting frame, and both ends of the rotating shaft are rotatably connected to the umbrella frame. The placement frame rotates on the surface of the mounting frame, and the placement plate is detachably mounted inside the placement frame. A forward and reverse motor drive shaft is installed on the inner top of the vacuum coating cabinet, and the forward and reverse motor drive shaft is drivingly connected to the rotating shaft; The coating umbrella is also provided with a driving control mechanism, which includes a rotating tube driving component, a mounting frame driving component and a placing frame driving component; The rotating tube driving component is used to drive the rotating tube and the driving shaft of the forward and reverse motor to rotate in the same direction and at the same angular speed. The rotating tube driving component includes a switch gear. When the switch gear is dislocated, the transmission of the rotating tube driving component is interrupted. The mounting frame driving component includes a forward drive component and an anti-reverse drive component, wherein the forward drive component is used to make the shaft rotate forward to drive the mounting frame to rotate, and the anti-reverse drive component is used to prevent the shaft from reversing to drive the mounting frame to rotate; The placing frame driving component is drivingly connected to the rotating shaft rotating in the opposite direction, and is used to control the placing frame to flip inside the mounting frame; The control cabinet is installed on one side of the vacuum coating cabinet; An upper active bevel gear and a lower active bevel gear are fixedly mounted on the upper and lower ends of the forward and reverse motor drive shaft, respectively. The upper active bevel gear meshes with the switch gear, and a lower transmission bevel gear distributed in a ring array is arranged on the outer side of the lower active bevel gear. The lower transmission bevel gear is meshed and connected with the lower active bevel gear, and the lower transmission bevel gear is fixedly mounted on the rotating shaft; The rotating tube driving component also includes a swivel, an upper transmission bevel gear, a driven gear, a fixed ring, a driven gear, an intermediate shaft and an intermediate gear. The swivel is rotatably connected to the inner wall of the flange tube, the upper transmission bevel gear and the driven gear are fixedly mounted on the upper surface and lower surface of the swivel respectively, the fixed ring and the intermediate shaft are both fixedly connected to the inner wall of the rotating tube, the driven gear is fixedly mounted on the upper surface of the fixed ring, the intermediate gear is rotatably connected to the intermediate shaft, and the intermediate gear is meshed with the driven gear and the driven gear at the same time, and the switch gear is meshed and matched with the upper transmission bevel gear.

2. A double-sided coating device according to claim 1, characterized in that: A linear thruster is fixedly mounted on one side wall of the flange pipe, and a telescopic end of the linear thruster is rotationally connected to a switch gear.

3. A double-sided coating device according to claim 1, characterized in that: The forward driving assembly includes a forward driving inner ratchet, a driving rotating block, a driving slider and a driving spring. The forward driving inner ratchet is fixedly mounted on one end of the mounting frame, the driving rotating block is arranged on the inner side of the forward driving inner ratchet, and the driving rotating block is fixedly connected to the rotating shaft, the driving slider is slidably mounted on one end of the driving rotating block, and the end of the driving slider is engaged with the forward driving inner ratchet, and the two ends of the driving spring are fixedly connected to the driving rotating block and the driving slider respectively.

4. A double-sided coating device according to claim 3, characterized in that: The anti-reversal assembly includes an anti-reversal inner ratchet, a fixed shaft, an anti-reversal fixed block, an anti-reversal slider and an anti-reversal spring. The anti-reversal inner ratchet is fixedly mounted on the other end of the mounting frame, the ratchet direction of the anti-reversal inner ratchet is the same as the ratchet direction of the forward driving inner ratchet, the fixed shaft is fixedly mounted on the umbrella frame, and the fixed shaft is coaxially arranged with the rotating shaft, the anti-reversal fixed block is fixedly mounted on the fixed shaft, the anti-reversal slider is slidably mounted on one end of the anti-reversal fixed block, and the anti-reversal slider is engaged with the anti-reversal inner ratchet, and the two ends of the anti-reversal spring are respectively fixedly connected to the anti-reversal fixed block and the anti-reversal slider.

5. A double-sided coating device according to claim 4, characterized in that: One end of the rotating shaft passes through a side wall of the mounting frame and is rotatably connected to the inner wall of the other side of the mounting frame. Connecting shafts are fixedly installed at both ends of the placement frame. The sides of the mounting frame are provided with through holes connected to the interior thereof. The connecting shaft is rotatably connected to the side walls of the through holes. The placement frame driving component includes a driving spur gear, a driven spur gear and a transmission spur gear. The driving spur gear and the driven spur gear are fixedly connected to the rotating shaft and the connecting shaft respectively. The transmission spur gear is rotatably installed on the inner wall of one side of the mounting frame. The driving spur gear and the driven spur gear are connected through a transmission spur gear.

6. A double-sided coating device according to claim 1, characterized in that: Insertion rods are inserted at both ends of the placement frame, and a return spring is fixedly installed between the insertion rod and the outer wall of the placement frame. Slots are opened at both ends of the placement plate, and the slots are plugged and adapted with the insertion rods. The insertion rods are respectively arranged on both sides of the connecting shaft.

7. A double-sided coating device according to claim 1, characterized in that: The surface of the umbrella stand is provided with openings distributed in a circular array, an arc-shaped baffle is fixedly installed on the lower surface of the opening, the mounting frame is arranged on the inner side of the arc-shaped baffle, a notch matching the size of the placement plate is provided in the middle of the lower surface of the arc-shaped baffle, the lower end of the forward and reverse motor drive shaft extends into the interior of the umbrella stand, and an annular baffle is fixedly installed on its lower end, and the annular baffle is tightly attached to the lower surface of the umbrella stand.

8. A coating method for processing optical filters, using a double-sided coating device as described in any one of claims 1 to 7, characterized in that: The specific steps are: Install the filter to be coated into the circular hole on the placement plate; Open the door of the vacuum coating cabinet, install the placement plates on all the placement frames respectively, and close the door of the vacuum coating cabinet; Start the vacuum pump equipment in the vacuum coating cabinet to perform vacuum operation; The control switch gear is put into position and the forward and reverse motor drive shaft is started, so that the umbrella frame rotates along with the forward and reverse motor drive shaft; Start the coating equipment inside the vacuum coating cabinet so that the steam ions coat the filter near the bottom of the vacuum coating cabinet; After the coating of one side of the filter plate on the placement plate near the bottom of the vacuum coating cabinet is completed, the coating equipment inside the vacuum coating cabinet is closed and the rotation of the forward and reverse motor drive shaft is stopped, and the switch gear is controlled to disengage, and then the forward and reverse motor drive shaft is driven to rotate forward, so that the mounting frame rotates a certain angle, and the placement plate near the bottom of the vacuum coating cabinet is replaced, and then the switch gear is controlled to be in place again and the forward and reverse motor drive shaft is started, and the coating equipment inside the vacuum coating cabinet is started for coating; After all filter plates are coated on one side, the coating equipment inside the vacuum coating cabinet is turned off and the rotation of the forward and reverse motor drive shaft is stopped. The switch gear is controlled to disengage, and then the forward and reverse motor drive shaft is driven to reverse, so that the placement plate is turned over and the other side of the filter plate is coated.

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