Transmission structure of PGTVD vacuum coating equipment

Abstract

The invention discloses a transmission structure of PGTVD vacuum coating equipment, and relates to the field of vacuum coating, and adopts the technical scheme that the transmission structure comprises a rack, an opening is formed in the bottom of the rack, a vacuum chamber is arranged at the top of the rack, supporting plates are fixedly connected to the front side and the rear side of the vacuum chamber, and two electric push rods are fixedly connected between the two supporting plates and the rack; the number of the supporting plates is two, the two supporting plates are fixedly connected to the top of the rack, two electric sliding rails are fixedly connected to the inner sides of the two supporting plates, sliding blocks are arranged on the two electric sliding rails, and a transmission table is fixedly connected to the tops of the two sliding blocks. And the U-shaped pipe can rotate around the workpiece while moving up and down in a small range during cooling, so that the positions of the air outlet holes can be continuously changed during cooling, and air can be uniformly blown to the workpiece.

Description

Technical Field

[0001] The invention relates to the field of vacuum coating, and in particular to a transmission structure of PGTVD vacuum coating equipment. Background Art

[0002] PGTVD stands for Pressurize Gas Transport Vectored Deposition, which means pressurizing the vaporized coating material to increase its deposition speed. The pressurized gas phase transmission can make the coating material deposited on the substrate surface with high quality and uniformity. The PGTVD vacuum coating equipment also needs to use a transmission structure when working, through which the workpiece to be coated can be transported; The existing transmission structure is found to only have the function of transmitting and conveying the workpiece, but not the function of cooling the workpiece. Since the temperature of the workpiece itself is high after the coating is completed, it is easy to get burned when manually taking the material after the coating is completed, so it needs to be improved; Therefore, it is necessary to invent a transmission structure of PGTVD vacuum coating equipment. Summary of the invention

[0003] To this end, the present invention provides a PGTVD vacuum coating equipment transmission structure to solve the problems in the background technology.

[0004] In order to achieve the above object, the present invention provides the following technical solution: a PGTVD vacuum coating equipment transmission structure, comprising: A frame, wherein the bottom of the frame is open, a vacuum chamber is provided on the top of the frame, support plates are fixedly connected to the front and rear sides of the vacuum chamber, and two electric push rods are fixedly connected between the two support plates and the frame; The support plates are provided in two pieces, the two support plates are fixedly connected to the top of the frame, two electric slide rails are fixedly connected to the inner sides of the two support plates, the two electric slide rails are provided with sliders, the tops of the two sliders are fixedly connected to a transmission platform, a base block is embedded on the transmission platform, the base block is connected to the transmission platform through a bearing, a groove is provided in the base block, a coating frame is provided in the groove, and two card slots are provided at the bottom of the coating frame; An auxiliary component used to cool the workpiece after coating; The stabilizing component is used to stabilize the coating frame to prevent it from shaking.

[0005] Preferably, a rubber ring is fixedly connected to the top of the transmission platform, and an annular groove is formed at the bottom of the transmission platform.

[0006] Preferably, the auxiliary component includes two support rods, which are respectively fixedly connected to the front and rear sides of the frame, a shell is fixedly connected between the two support rods, a rotating plate is connected inside the shell, two L-shaped plates are fixedly connected to the bottom of the rotating plate, two reciprocating screws 1 are embedded in the rotating plate, the bottom ends of the two reciprocating screws 1 respectively pass through the bottoms of the two L-shaped plates, and a sliding seat 1 is sleeved on the outside of the two reciprocating screws 1, and the sliding seat 1 is connected to the reciprocating screw 1 through a ball screw pair.

[0007] Preferably, a U-shaped tube is fixedly connected between the two sliding seats, a plurality of air outlet holes are provided on the U-shaped tube, a fan is fixedly connected to the top of the shell, a pipe one is movably embedded on the rotating plate, the bottom end of the pipe one extends to the inside of the U-shaped tube and is connected thereto through a sealing bearing, the pipe one passes through the top of the shell and is in movably contact with the top of the shell, a pipe two is fixedly sleeved on the outside of the top end of the pipe one, a hose is fixedly connected between the pipe two and the fan, two guide rods are fixedly connected to the bottom of the pipe two, both of the guide rods pass through the top of the shell and are in sliding contact with it.

[0008] Preferably, one of the support rods is fixedly connected to a motor 1 on the rear side, the output shaft of the motor 1 is fixedly connected to a rotating shaft 1, the front end of the rotating shaft 1 extends into the interior of the shell, the front end of the rotating shaft 1 is fixedly connected to a bevel gear, the bottom of the bevel gear is provided with a bevel gear ring meshingly connected thereto, the bevel gear is meshingly connected to the bevel gear ring, the top end of the two reciprocating screws 1 are fixedly sleeved with a first gear on the outside, the top inner wall of the shell is fixedly connected to the first gear ring, the two first gears are respectively located on the front and rear sides of the first gear ring and are meshingly connected thereto, the two L-shaped plates are fixedly connected to limit rods, the two limit rods respectively penetrate through two sliding seats 1 and are in sliding contact therewith.

[0009] Preferably, the stabilizing component includes two connecting rods, the two connecting rods are fixedly connected to the bottom of the groove, the tops of the two connecting rods are fixedly connected to a rotating rod, the tops of the two rotating rods are fixedly connected to a clamping block, the two clamping blocks are slidably arranged in the two clamping grooves, the outsides of the two connecting rods are sleeved with a torsion spring, and the two ends of the torsion spring are respectively fixedly connected to the rotating rod and the bottom of the groove, a reciprocating screw 2 is connected to the front side of the groove, the rear end of the reciprocating screw 2 extends to the outside of the rear side of the base block, the outside of the reciprocating screw 2 is sleeved with a sliding seat 2, the sliding seat 2 is connected to the reciprocating screw 2 through a ball screw pair, and the reciprocating screw 2 is connected to the base block through a bearing.

[0010] Preferably, the inner sides of the two rotating rods are fixedly connected with triangular blocks, the inner sides of the two triangular blocks are provided with push blocks in sliding contact with the two triangular blocks, the two push blocks are respectively fixedly connected to the two sides of the sliding seat two, the outer sides of the rear ends of the two reciprocating screws are fixedly connected with the second gear, the top of the frame is fixedly connected with a vertical plate, the top of the vertical plate is fixedly connected with a toothed plate, the bottom of the groove is fixedly connected with a positioning rod, the positioning rod passes through the sliding seat two and is in sliding contact with it.

[0011] Preferably, a U-shaped groove is provided on the base block, a second rotating shaft is provided in the U-shaped groove, L-shaped rods are fixedly connected on both sides of the second rotating shaft, the two L-shaped rods are slidably set in the U-shaped groove, the tops of the two L-shaped rods are fixedly connected to springs, the tops of the two springs are fixedly connected to the top of the U-shaped groove, the bottom of the transmission platform is fixedly connected to a U-shaped frame, the second rotating shaft passes through the U-shaped frame and is in movably contact with the frame, the bottom end of the second rotating shaft is fixedly connected to an iron block, the two rotating shafts are fixedly connected on both sides, and the two convex rods are slidably embedded in the U-shaped frame.

[0012] Preferably, the bottoms of the two L-shaped rods are fixedly connected to pressure blocks, the U-shaped frame is embedded with a movable ring, the movable ring is connected to the U-shaped frame through a bearing, the top inner wall of the frame is fixedly connected to motor 2, the output shaft of motor 2 is fixedly connected to shaft 3, the shaft 3 passes through the top of the frame and is connected to it through a bearing, and the top of the shaft 3 is fixedly connected to a magnet.

[0013] Preferably, the rotating plate is connected to the housing via a bearing, the reciprocating screw 1 is connected to the rotating plate and the L-shaped plate via a bearing, and the rotating shaft 1 is connected to the housing and the support rod via a bearing.

[0014] The beneficial effects of the present invention are: 1. The present invention designs auxiliary components, and after the workpiece is coated, air can be blown toward the surface of the workpiece to cool the workpiece. During the cooling process, the U-shaped tube rotates around the workpiece while moving up and down in a small range. In this way, the position of the air outlet can be constantly changed during the cooling process, so that the air can be blown evenly on the workpiece, ensuring that the workpiece is evenly and thoroughly cooled, so that the workpiece will not be burned when it is manually removed. 2. The present invention designs a stabilizing component, which can automatically fix the coating frame when the workpiece moves from the left side to the right side of the device. In this way, the coating frame can be prevented from shaking when the material is deposited on the workpiece at a high speed during coating, thereby ensuring normal coating work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings described below are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0016] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0017] Figure 1 A schematic diagram of the overall structure provided by the present invention; Figure 2 A front cross-sectional view provided by the present invention; Figure 3 The present invention provides Figure 2 A in the enlarged view; Figure 4 A side cross-sectional view provided for the present invention; Figure 5 A three-dimensional exploded view of the auxiliary components provided by the present invention; Figure 6 A three-dimensional exploded view of the transmission platform, base block and stabilizing assembly provided by the present invention; Figure 7 The present invention provides Figure 6 The enlarged view of point B in the figure; Figure 8 The present invention provides Figure 6 Bottom view; In the figure: 1, frame; 2, vacuum chamber; 3, support plate; 4, electric push rod; 5, support plate; 6, electric slide rail; 7, slider; 8, transmission platform; 9, base block; 10, groove; 11, coating frame; 12, slot; 13, rubber ring; 14, support rod; 15, shell; 16, rotating plate; 17, L-shaped plate; 18, reciprocating screw 1; 19, sliding seat 1; 20, U-shaped tube; 21, fan; 22, pipeline 1; 23, pipeline 2; 24, hose; 25, guide rod; 26, motor 1; 27, shaft 1; 28, bevel gear; 29, Bevel gear ring; 30, first gear; 31, first gear ring; 32, limit rod; 33, connecting rod; 34, rotating rod; 35, clamping block; 36, torsion spring; 37, reciprocating screw two; 38, sliding seat two; 39, triangular block; 40, push block; 41, second gear; 42, vertical plate; 43, tooth plate; 44, positioning rod; 45, U-shaped groove; 46, second rotating shaft; 47, L-shaped rod; 48, spring; 49, U-shaped frame; 50, iron block; 51, convex rod; 52, pressure block; 53, movable ring; 54, second motor; 55, third rotating shaft; 56, magnet. DETAILED DESCRIPTION

[0018] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0019] See attached Figure 1 -Attached Figure 8 The present invention provides a PGTVD vacuum coating equipment transmission structure, comprising: A frame 1, the bottom of the frame 1 is set to be open, a vacuum chamber 2 is arranged on the top of the frame 1, support plates 3 are fixedly connected to the front and rear sides of the vacuum chamber 2, and two electric push rods 4 are fixedly connected between the two support plates 3 and the frame 1; The support plates 5 are provided with two, and the two support plates 5 are fixedly connected to the top of the frame 1. Two electric slide rails 6 are fixedly connected to the inner sides of the two support plates 5. The two electric slide rails 6 are provided with sliders 7. The tops of the two sliders 7 are fixedly connected to a transmission platform 8. A base block 9 is embedded on the transmission platform 8. The base block 9 is connected to the transmission platform 8 through a bearing. A groove 10 is provided in the base block 9. A coating frame 11 is provided in the groove 10. Two card slots 12 are provided at the bottom of the coating frame 11. An auxiliary component used to cool the workpiece after coating; A stabilizing component, which is used to stabilize the coating frame 11 to prevent it from shaking; A rubber ring 13 is fixedly connected to the top of the transmission platform 8, and an annular groove is provided at the bottom of the transmission platform 8; The auxiliary component includes two support rods 14, which are respectively fixedly connected to the front and rear sides of the frame 1, a shell 15 is fixedly connected between the two support rods 14, a rotating plate 16 is connected inside the shell 15, and two L-shaped plates 17 are fixedly connected to the bottom of the rotating plate 16, two reciprocating screws 18 are embedded in the rotating plate 16, and the bottom ends of the two reciprocating screws 18 respectively penetrate the bottoms of the two L-shaped plates 17, and the outsides of the two reciprocating screws 18 are sleeved with sliding seats 19, and the sliding seats 19 are connected to the reciprocating screws 18 through a ball screw pair, and a U-shaped tube 20 is fixedly connected between the two sliding seats 19, and a plurality of air outlet holes are opened on the U-shaped tube 20, a fan 21 is fixedly connected to the top of the shell 15, and a pipe 22 is movably embedded in the rotating plate 16, and the bottom end of the pipe 22 extends to the inside of the U-shaped tube 20 and is connected to it through a sealed bearing, and the pipe 22 penetrates the top of the shell 15 and is in movable contact with it, and the top of the pipe 22 is fixedly sleeved on the outside There is a pipe 23, a hose 24 is fixedly connected between the pipe 23 and the fan 21, two guide rods 25 are fixedly connected to the bottom of the pipe 23, and the two guide rods 25 both penetrate the top of the shell 15 and are in sliding contact with it, a motor 26 is fixedly connected to the rear side of one of the support rods 14, the output shaft of the motor 26 is fixedly connected to a rotating shaft 27, the front end of the rotating shaft 27 extends to the inside of the shell 15, and a bevel gear 28 is fixedly connected to the front end of the rotating shaft 27, and a bevel gear ring 29 meshingly connected to the bevel gear 28 is provided at the bottom of the bevel gear 28, and the bevel gear 28 is meshingly connected to the bevel gear ring 29, and the top of the two reciprocating screws 18 are fixedly sleeved with a first gear 30, and the top inner wall of the shell 15 is fixedly connected to the first gear ring 31, and the two first gears 30 are respectively located on the front and rear sides of the first gear ring 31 and are meshingly connected thereto, and the two L-shaped plates 17 are fixedly connected to limit rods 32, and the two limit rods 32 respectively penetrate the two sliding seats 19 and are in sliding contact therewith; In this embodiment, an auxiliary component is designed, and air can be blown toward the surface of the workpiece after the workpiece coating is completed, so as to cool the workpiece, and during the cooling process, the U-shaped tube 20 will rotate around the workpiece while moving up and down in a small range, so that the position of the air outlet can be continuously changed during the cooling process, so that the air can be blown evenly on the workpiece, and the workpiece can be ensured to be evenly and thoroughly cooled; Among them, in order to achieve the purpose of preventing the coating frame 11 from shaking, the present device adopts the following technical solutions: the stabilizing component includes two connecting rods 33, the two connecting rods 33 are fixedly connected to the bottom of the groove 10, the tops of the two connecting rods 33 are fixedly connected to the rotating rod 34, the tops of the two rotating rods 34 are fixedly connected to the clamping blocks 35, the two clamping blocks 35 are respectively slidably arranged in the two clamping grooves 12, the outsides of the two connecting rods 33 are sleeved with torsion springs 36, and the two ends of the torsion springs 36 are respectively fixedly connected to the rotating rod 34 and the bottom of the groove 10, a reciprocating screw 2 37 is connected to the front side of the groove 10, the rear end of the reciprocating screw 2 37 extends to the outside of the rear side of the base block 9, the outside of the reciprocating screw 2 37 is sleeved with a sliding seat 2 38, and the sliding seat 2 38 is connected to the reciprocating screw 2 37 through a ball screw pair , the reciprocating screw 2 37 is connected to the base block 9 through a bearing, the inner sides of the two rotating rods 34 are fixedly connected with triangular blocks 39, the inner sides of the two triangular blocks 39 are provided with push blocks 40 in sliding contact with them, and the two push blocks 40 are respectively fixedly connected to the two sides of the sliding seat 2 38, and the outer rear end of the reciprocating screw 2 37 is fixedly connected to the second gear 41, the top of the frame 1 is fixedly connected with a vertical plate 42, the top of the vertical plate 42 is fixedly connected with a tooth plate 43, and the bottom of the groove 10 is fixedly connected with a positioning rod 44, which penetrates the sliding seat 2 38 and is in sliding contact with it. The design of a stable component can automatically fix the coating frame 11 when the workpiece moves from the left side of the device to the right side, so that when the material is deposited on the workpiece at a high speed during coating, the coating frame 11 can be prevented from shaking; Among them, in order to realize the purpose of rotating the coating frame 11, the present device adopts the following technical scheme: a U-shaped groove 45 is opened on the base block 9, a second rotating shaft 46 is arranged in the U-shaped groove 45, L-shaped rods 47 are fixedly connected on both sides of the second rotating shaft 46, the two L-shaped rods 47 are slidably arranged in the U-shaped groove 45, the tops of the two L-shaped rods 47 are fixedly connected to springs 48, the tops of the two springs 48 are fixedly connected to the top of the U-shaped groove 45, a U-shaped frame 49 is fixedly connected to the bottom of the transmission platform 8, the second rotating shaft 46 passes through the U-shaped frame 49 and is in active contact with it, the bottom end of the second rotating shaft 46 is fixedly connected to an iron block 50, and both sides of the second rotating shaft 46 Both are fixedly connected with convex rods 51, and both convex rods 51 are slidably embedded in the U-shaped frame 49. The bottoms of the two L-shaped rods 47 are fixedly connected with pressure blocks 52. A movable ring 53 is embedded in the U-shaped frame 49, and the movable ring 53 is connected to the U-shaped frame 49 through a bearing. The inner wall of the top of the frame 1 is fixedly connected with a motor 2 54, and the output shaft of the motor 2 54 is fixedly connected with a rotating shaft 3 55. The rotating shaft 3 55 passes through the top of the frame 1 and is connected with it through a bearing. The top of the rotating shaft 3 55 is fixedly connected with a magnet 56. The motor 2 54, the rotating shaft 3 55, the magnet 56, the iron block 50 and other components can make the coating frame 11 rotate, thereby ensuring uniform coating; Among them, in order to achieve the purpose of reducing wear, the present device adopts the following technical solutions: the rotating plate 16 is connected to the shell 15 through a bearing, the reciprocating screw 18 is connected to the rotating plate 16 and the L-shaped plate 17 through a bearing, and the rotating shaft 27 is connected to the shell 15 and the support rod 14 through a bearing. The bearing connection can reduce wear.

[0020] The use process of the present invention is as follows: when the workpiece needs to be vacuum coated, the workpiece is hung on the hook of the coating frame 11, and then the four electric push rods 4 are controlled to move the vacuum chamber 2 upward, and then the two electric slide rails 6 are controlled to work to move the two sliders 7, the transmission platform 8, the base block 9 and other components to the right, until the coating frame 11 moves to the bottom of the vacuum chamber 2, and then the electric push rods 4 are controlled to move the vacuum chamber 2 downward to cover the outside of the coating frame 11, until the vacuum chamber 2 contacts the rubber ring 13, and then the vacuum chamber 2 is controlled to work to perform the coating work; When the two sliders 7, the transmission platform 8, the base block 9 and other components move to the right, the second gear 41 will mesh with the toothed plate 43, and when meshing, the reciprocating screw 37 will rotate, so that the sliding seat 38 and the two push blocks 40 can move backward first, and then under the action of the two triangular blocks 39, the two rotating rods 34 can be squeezed to make the two rotating rods 34 rotate with the two connecting rods 33 as the rotation axis, and at the same time, the two torsion springs 36 are elastically deformed, and the rotation of the two rotating rods 34 can make the two clamping blocks 35 open outward, thereby applying pressure to the coating frame 11, and then fixing the coating frame 11, so that the coating frame 11 can be automatically fixed during the process of moving the coating frame 11 to the right, so that when the material is deposited on the workpiece at a high speed during coating, the coating frame 11 can be prevented from shaking, thereby ensuring the normal coating work; When the two sliders 7, the transmission platform 8, the base block 9 and other components move to the right to the bottom of the vacuum chamber 2, the magnet 56 can move the iron block 50, the second rotating shaft 46, the protruding rod 51 and other components downward under the action of strong magnetic force, until the two pressing blocks 52 contact the movable ring 53, and the two springs 48 are pulled up at the same time, and then the second motor 54 is controlled to work to rotate the third rotating shaft 55 and the magnet 56, and then the iron block 50, the second rotating shaft 46, the two L-shaped rods 47, the base block 9 and the components on the base block 9 can be rotated under the action of magnetic force, so that the coating frame 11 can be rotated, so that uniform coating can be achieved during coating; After the coating is completed, the motor 2 54 is controlled to make the base block 9 and other components stay in place, then the electric push rod 4 is controlled to move the vacuum chamber 2 upward, then the electric slide rail 6 is controlled to move the transmission platform 8, the coating frame 11 and other components into the housing 15, then the fan 21 is controlled to work, and then the workpiece can be blown under the action of the hose 24, the pipe 23, the pipe 1 22, the U-shaped pipe 20 and a plurality of air outlets, so that the coated workpiece can be cooled, and at the same time, the motor 1 26 is controlled to work, so that the shaft 1 27 and the bevel gear 28 can be rotated, the rotation of the bevel gear 28 drives the bevel gear ring 29 to rotate, and the rotation of the bevel gear ring 29 drives the rotating plate 16 to rotate, so that The two reciprocating screws 18, the two sliding seats 19, the U-shaped tube 20 and other components make circular motion, and then the U-shaped tube 20 rotates around the workpiece, and then the two reciprocating screws 18 will also rotate under the action of the two first gears 30 and the first gear ring 31, so that the two sliding seats 19 and the U-shaped tube 20 can continuously move up and down, so that the U-shaped tube 20 can rotate around the workpiece while moving up and down in a small range, so that the position of the air outlet can be continuously changed during cooling, so that the air can be evenly blown on the workpiece, which can ensure that the workpiece is evenly and thoroughly cooled, so that the workpiece will not be burned when it is manually removed; After the cooling is completed, the motor 1 26 is controlled to make the U-shaped tube 20 stay in place, and then the electric slide rail 6 is continued to be controlled to make the transmission platform 8 and other components move rightward and reset, and then the second gear 41 is meshed with the tooth plate 43 again, and then the sliding seat 2 38 and the push block 40 move forward, and at the same time, the two rotating rods 34 and the two clamping blocks 35 are reset under the action of the rebound of the torsion spring 36, so as to release the fixation of the coating rack 11, and then the coating rack 11 can be manually removed from the base block 9, and then a new coating rack 11 is placed and the workpiece is hung, and then the coating, transmission, conveying and cooling work can be carried out according to the same principle; When the base block 9, coating frame 11 and other components are moved away from the right side and lose their magnetic force, the second shaft 46, L-shaped rod 47 and protruding rod 51 will move upward under the action of the spring 48, so that the protruding rod 51 can be stuck on the U-shaped frame 49 again, so that when the second gear 41 is engaged with the tooth plate 43, resistance can be avoided to cause the base block 9 to rotate.

[0021] The above are only preferred embodiments of the present invention. Any person skilled in the art may modify the present invention by using the above technical solutions or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solution of the present invention belongs to the scope of protection claimed by the present invention.

Claims

1. A PGTVD vacuum coating equipment transmission structure, characterized in that: include: A frame (1), wherein the bottom of the frame (1) is arranged to be open, a vacuum chamber (2) is arranged on the top of the frame (1), support plates (3) are fixedly connected to the front and rear sides of the vacuum chamber (2), and two electric push rods (4) are fixedly connected between the two support plates (3) and the frame (1); A support plate (5), which is provided in two pieces, wherein the two support plates (5) are fixedly connected to the top of the frame (1), two electric slide rails (6) are fixedly connected to the inner sides of the two support plates (5), the two electric slide rails (6) are provided with sliders (7), the tops of the two sliders (7) are fixedly connected to a transmission platform (8), a base block (9) is embedded in the transmission platform (8), the base block (9) and the transmission platform (8) are connected via a bearing, a groove (10) is provided in the base block (9), a coating frame (11) is provided in the groove (10), and two card slots (12) are provided at the bottom of the coating frame (11); An auxiliary component used to cool the workpiece after coating; A stabilizing component is used to stabilize the coating frame (11) to prevent it from shaking.

2. The transmission structure of the PGTVD vacuum coating equipment according to claim 1, characterized in that: A rubber ring (13) is fixedly connected to the top of the transmission platform (8), and an annular groove is formed at the bottom of the transmission platform (8).

3. The transmission structure of the PGTVD vacuum coating equipment according to claim 1, characterized in that: The auxiliary component comprises two support rods (14), the two support rods (14) are respectively fixedly connected to the front and rear sides of the frame (1), a shell (15) is fixedly connected between the two support rods (14), a rotating plate (16) is connected inside the shell (15), two L-shaped plates (17) are fixedly connected to the bottom of the rotating plate (16), two reciprocating screws (18) are embedded on the rotating plate (16), the bottom ends of the two reciprocating screws (18) respectively pass through the bottoms of the two L-shaped plates (17), and the two reciprocating screws (18) are both sleeved with a sliding seat (19) outside, and the sliding seat (19) is connected to the reciprocating screw (18) through a ball screw pair.

4. The transmission structure of the PGTVD vacuum coating equipment according to claim 3, characterized in that: A U-shaped tube (20) is fixedly connected between the two sliding seats (19), and a plurality of air outlet holes are provided on the U-shaped tube (20). A fan (21) is fixedly connected to the top of the shell (15). A pipe (22) is movably embedded on the rotating plate (16). The bottom end of the pipe (22) extends into the interior of the U-shaped tube (20) and is connected to the U-shaped tube via a sealing bearing. The pipe (22) passes through the top of the shell (15) and is in movably contact with the top. A pipe (23) is fixedly sleeved on the top of the pipe (22). A hose (24) is fixedly connected between the pipe (23) and the fan (21). Two guide rods (25) are fixedly connected to the bottom of the pipe (23), and both guide rods (25) pass through the top of the shell (15) and are in slidable contact with the top.

5. The transmission structure of the PGTVD vacuum coating equipment according to claim 4, characterized in that: A motor (26) is fixedly connected to the rear side of one of the support rods (14); the output shaft of the motor (26) is fixedly connected to a rotating shaft (27); the front end of the rotating shaft (27) extends into the interior of the housing (15); the front end of the rotating shaft (27) is fixedly connected to a bevel gear (28); the bottom of the bevel gear (28) is provided with a bevel gear ring (29) meshingly connected therewith; the bevel gear (28) is meshingly connected to the bevel gear ring (29); the top ends of the two reciprocating screws (18) are fixedly sleeved with a first gear (30); the top inner wall of the housing (15) is fixedly connected to a first gear ring (31); the two first gears (30) are respectively located at the front and rear sides of the first gear ring (31) and meshingly connected therewith; the two L-shaped plates (17) are fixedly connected to limit rods (32); the two limit rods (32) respectively penetrate through the two sliding seats (19) and are in sliding contact therewith.

6. The transmission structure of the PGTVD vacuum coating equipment according to claim 1, characterized in that: The stabilizing component comprises two connecting rods (33), the two connecting rods (33) are fixedly connected to the bottom of the groove (10), the tops of the two connecting rods (33) are fixedly connected to a rotating rod (34), the tops of the two rotating rods (34) are fixedly connected to a clamping block (35), the two clamping blocks (35) are respectively slidably arranged in the two clamping grooves (12), the outsides of the two connecting rods (33) are sleeved with a torsion spring (36), and the two ends of the torsion spring (36) are respectively fixedly connected to the rotating rod (34) and the bottom of the groove (10), the front side of the groove (10) is connected to a reciprocating screw 2 (37), the rear end of the reciprocating screw 2 (37) extends to the outside of the rear side of the base block (9), the outside of the reciprocating screw 2 (37) is sleeved with a sliding seat 2 (38), the sliding seat 2 (38) is connected to the reciprocating screw 2 (37) through a ball screw pair, and the reciprocating screw 2 (37) is connected to the base block (9) through a bearing.

7. The transmission structure of the PGTVD vacuum coating equipment according to claim 6, characterized in that: The inner sides of the two rotating rods (34) are fixedly connected to triangular blocks (39), the inner sides of the two triangular blocks (39) are provided with push blocks (40) in sliding contact with the two triangular blocks, the two push blocks (40) are respectively fixedly connected to the two sides of the second sliding seat (38), the rear end of the second reciprocating screw (37) is fixedly connected to the outside with a second gear (41), the top of the frame (1) is fixedly connected to a vertical plate (42), the top of the vertical plate (42) is fixedly connected to a toothed plate (43), the bottom of the groove (10) is fixedly connected to a positioning rod (44), the positioning rod (44) passes through the second sliding seat (38) and is in sliding contact with it.

8. The transmission structure of the PGTVD vacuum coating equipment according to claim 7, characterized in that: The base block (9) is provided with a U-shaped groove (45), a second rotating shaft (46) is provided in the U-shaped groove (45), both sides of the second rotating shaft (46) are fixedly connected with L-shaped rods (47), the two L-shaped rods (47) are slidably arranged in the U-shaped groove (45), the top ends of the two L-shaped rods (47) are fixedly connected with springs (48), the top ends of the two springs (48) are fixedly connected with the top of the U-shaped groove (45), the bottom of the transmission platform (8) is fixedly connected with a U-shaped frame (49), the second rotating shaft (46) passes through the U-shaped frame (49) and is in active contact with the frame, the bottom end of the second rotating shaft (46) is fixedly connected with an iron block (50), both sides of the second rotating shaft (46) are fixedly connected with convex rods (51), the two convex rods (51) are slidably embedded in the U-shaped frame (49).

9. The transmission structure of the PGTVD vacuum coating equipment according to claim 8, characterized in that: The bottoms of the two L-shaped rods (47) are fixedly connected to a pressure block (52); a movable ring (53) is embedded in the U-shaped frame (49); the movable ring (53) is connected to the U-shaped frame (49) via a bearing; a second motor (54) is fixedly connected to the inner wall of the top of the frame (1); an output shaft of the second motor (54) is fixedly connected to a third rotating shaft (55); the third rotating shaft (55) passes through the top of the frame (1) and is connected thereto via a bearing; a magnet (56) is fixedly connected to the top of the third rotating shaft (55).

10. The transmission structure of the PGTVD vacuum coating equipment according to claim 5, characterized in that: The rotating plate (16) is connected to the housing (15) via a bearing, the reciprocating screw (18) is connected to the rotating plate (16) and the L-shaped plate (17) via a bearing, and the rotating shaft (27) is connected to the housing (15) and the support rod (14) via a bearing.

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