CN111020519A

CN111020519A - Plastic vacuum coating equipment with uniform coating thickness

Info

Publication number: CN111020519A
Application number: CN201911424577.4A
Authority: CN
Inventors: 卢占甲
Original assignee: Shaoxing Yude Plastic Products Co Ltd
Current assignee: Shaoxing Yude Plastic Products Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-04-17

Abstract

The invention discloses plastic vacuum coating equipment with uniform coating thickness, which comprises a shell, a rotating device and a spraying device which are arranged in the shell, a transmission device arranged on the rotating device, a clamping device arranged on the rotating device and a working assembly matched with the clamping device, wherein the rotating device comprises a rotating base, a rotating rod arranged on the rotating base, a second rotating rod arranged on the rotating rod, a rolling piece arranged on the second rotating rod, a first limiting plate and a second limiting plate which are matched with the rolling component, a supporting component arranged on the second rotating rod, a rotating gear arranged on the supporting component, a first rack matched with the rotating gear, and a first upper limiting strip and a first lower limiting strip which are arranged on two sides of the first rack. The rotating gear matched with the rotating rod by the rotating base is arranged, the rotating base rotates clockwise, the rotating gear drives the supporting component to rotate anticlockwise, and therefore spraying is more uniform and better in effect.

Description

Plastic vacuum coating equipment with uniform coating thickness

Technical Field

The invention belongs to the technical field of vacuum coating, and particularly relates to plastic vacuum coating equipment with uniform coating thickness.

Background

The vacuum coating machine mainly refers to a machine which needs to carry out coating under higher vacuum degree. According to different coating modes, the method can be divided into vacuum ion evaporation, magnetron sputtering, MBE molecular beam epitaxy, PLD laser sputtering deposition and the like. The vacuum coating machine mainly refers to a machine which needs to carry out coating under higher vacuum degree. According to different coating modes, the method can be divided into vacuum ion evaporation, magnetron sputtering, MBE molecular beam epitaxy, PLD laser sputtering deposition and the like.

As is known, a vacuum coating machine is internally provided with a rotating frame for clamping a workpiece to be coated, and the existing rotating frame basically comprises a rotating shaft, a large rotating disc and a plurality of small rotating discs. The rotary shaft is arranged in the middle of the accommodating cavity of the film coating barrel, the output end of the rotary shaft is connected with the large turntable and drives the large turntable to rotate, and the small turntables are fixed on the large turntable, so that when the rotary shaft drives the large turntable to rotate, the small turntables fixed on the large turntable can also rotate along with the large turntable, the large turntable and the small turntables move in a combined manner, and the small turntables cannot rotate independently. Along with the rapid development of the society, the shape of a workpiece is more and more complex, the types of the coating are more and more diversified, particularly for some colored interference films, the coating is very sensitive to the thickness of the film layer, and the conventional rotating frame with the large rotating disc and the small rotating disc rotating together cannot meet the process requirements. Therefore, a vacuum coating apparatus is needed to make the coating uniform.

Disclosure of Invention

The invention provides plastic vacuum coating equipment capable of ensuring uniform coating thickness in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a plastics vacuum coating equipment that coating film thickness is even, includes the casing, locate rotary device and the spraying device in the casing, locate transmission on the rotary device, locate clamping device on the rotary device, and clamping device complex work subassembly, rotary device includes rotating base, locate the support frame on the rotating base, locate the rotary rod on the support frame, locate the motor on the rotary rod, locate the second rotary rod on the rotary rod, locate the rolling member on the second rotary rod, with first limiting plate of rolling component complex and second limiting plate, locate the supporting component on the second rotary rod, locate the last rotating gear of going up of supporting component, with the first rack of rotating gear complex, locate first spacing and the first spacing strip down on first rack both sides. On clamping device was put to the product that needs the coating film, then the motor on the rotary rod drives the rotary rod and does the rotation, and the rotary rod is rotatory to drive rotatory second rotary rod rotatory, and the second rotary rod rotates the supporting component that drives on the second rotary rod rotatory along the rotary rod, and the gear and the rack toothing on the supporting component have driven gear and rack motion because the rotating component is rotatory to it is rotatory to have driven rotating base along the circumference along spraying device. The motor is arranged on the rotating rod, the rotating base can be driven to rotate with the supporting component respectively, the number of transmission components can be reduced, and the structure is simple. And because the coating film product on clamping device is also following rotatory so can make the product guarantee rotatory when the export of spraying device, then can make the thickness of product coating film more even, carry out clearance fit between rolling subassembly and first limiting plate and the second limiting plate of setting on the second rotary rod, but the clearance is within 1mm, can lead to rolling subassembly and first limiting plate or second limiting plate card to die after the rotary rod on the equipment takes place the skew and lead to stop work, can effectually prevent that coating film equipment from using the year time long after leading to becoming flexible after the position remove, the emergence collision leads to some dangerous emergence in equipment work engineering, also can reduce the damage degree of equipment and product, can effectual reduction loss. The first upper limit strip and the first lower limit strip on the two sides of the first rack are arranged, the gear can be rotationally moved between the first upper limit strip and the first lower limit strip, so that disengagement can be prevented in the rotating process, the length of the first upper limit strip and the length of the first lower limit strip are larger than the tooth surface, and the gear can be effectively prevented from being damaged by the gear or the rack due to the fact that foreign matters enter the gear and the rack in the meshing process.

The casing includes the revolving door, locate the second rack on the revolving door, locate spacing and the second on second rack both sides down spacing, with revolving door complex cylinder dustcoat, locate the base of cylinder dustcoat bottom, locate the upper cover at cylinder dustcoat top. When the revolving door is closed, the first rack, the first upper limit strip and the first lower limit strip which are arranged on the inner wall of the cylindrical outer cover are arranged on the second rack, the second upper limit strip and the second lower limit strip which are arranged on the revolving door in a matching way, and when the equipment works, the gear meshed with the first rack, the first upper limit strip, the first lower limit strip, the second rack, the second upper limit strip and the second lower limit strip can do circular rotation motion along the spraying device. The gear and the rack are matched, the matching precision is not required to be very high, the gear and the rack can be arranged in a segmented manner, the processing cost is low, the first rack, the first upper limit strip, the first lower limit strip, the second rack and the rack, the second upper limit strip and the second lower limit strip are separately arranged for matching, so that a worker can mistakenly open the equipment when taking materials when opening the door, the equipment rotates to hurt people, because the gear can move only by matching with the first rack, the first upper limit strip, the first lower limit strip, the second rack and the rack, the second upper limit strip and the second lower limit strip when the rotating base rotates, when the door is opened, the moving gear moves to the positions of the second rack and rack, the second upper limit strip and the second lower limit strip, because the rotation is not allowed due to the non-matching, people cannot be hurt at the time, and a protection effect is achieved.

The spraying device comprises a feed inlet arranged on the upper cover, a first spraying port, a second spraying port and a third spraying port arranged on the feed inlet, and the three spraying ports are uniformly distributed on the feed inlet. The coating materials can be sprayed in a mist form from three spraying ports of the spraying device, and a plurality of spraying ports can ensure that the concentrations of the coating materials at the upper part, the middle part and the lower part in the shell are uniform as much as possible, so that the condition that the coating materials at the upper part and the lower part in the shell are not uniform after being sprayed from one spraying port can be avoided.

The transmission is including locating the screw thread on the rotary rod, with screw-thread fit's movable plate, locating the mobile station on the movable plate, locating the carriage release lever on the mobile station, locating the roll subassembly on the carriage release lever, the roll subassembly sets up on the fixed station, be equipped with the sealing washer on the fixed station, transmission is in vertical setting multiunit in the rotary device. The fixed station is connected with the rotating shaft and the first rotating shaft in an axial sliding mode and does not rotate, the fixed station is connected with the rolling assembly, the moving assembly is connected with the moving rod, the moving rod is connected with the moving station, the moving station is connected with the moving plate, the fixed station is connected with the moving station because the fixed station does not rotate, the moving station does not rotate, threads on the rotating rod drive thread engagement on the moving plate, when the rotating rod rotates, the moving plate matched with the threads on the rotating rod rotates, and therefore the rotating motion of the rotating rod is converted into linear motion of the moving plate. The connection between the fixed station and the movable station leads to the engagement of the threads on the movable station and the rotating shaft to do linear motion, so that the matching precision is high, the error is not easy to occur, the connection structure between the movable station and the moving rod is simple, the expansion and the axial fixation can be realized, the movable plate is not rotated, the effect is good, the later maintenance is simple, only the sleeve is needed, because the inner space between the movable plate and the fixed station is sealed, therefore, the movable rod only needs to be sleeved in the movable platform and depends on the principle of air pressure balance, the movable platform and the movable rod can not be separated from connection without excessive connection, the structure is simplified, and the stability of connection can be ensured, the cost of the corresponding connection structure is reduced because the required connection structure is reduced, the later maintenance of one connection structure is not required to be considered, and the maintenance cost is reduced.

The rolling assembly comprises a sliding groove in the fixed platform, a first boss and a second boss arranged on the sliding groove, a rolling wheel matched with the first boss and the second boss, and a damping block matched with the first boss and the second boss arranged on the rolling wheel, wherein the sliding groove is formed in the fixed platform in a T-shaped opening and is arranged in a downward circular ring shape, the first boss and the second boss are arranged on the inner wall of the sliding groove, the first boss and the second boss are spaced at intervals and are smaller than the second boss in a matched mode, the diameter of the damping block is larger than the second boss, the first boss and the second boss are in a ring shape and are evenly arranged on the inner wall of the sliding groove, and the damping block is in a ring shape and is evenly arranged on the outer wall of the rolling wheel. When the rotating rod rotates, the threads on the rotating rod drive the moving plate to move upwards, when the moving plate moves to the top end of the threads of the rotating rod, a rotating force is transmitted to the moving plate when the rotating rod cannot move, the moving plate is transmitted to the moving platform, the moving rod is transmitted to the rolling wheel on the moving assembly, the damping block on the moving wheel is matched with the first boss and the second boss, the damping block is made of soft rubber materials for the first boss and the second boss, the ductility is achieved, when the rotating force is larger than the resistance between the damping block and the matching of the first boss and the second boss, the rotating rod then starts to rotate, and the slipping phenomenon occurs. The damping block is arranged, soft rubber materials are used for the first boss and the second boss, the ductility is realized, the damping block is matched with the first boss and the second boss, the deformation between the rubbers can play a resistance, the resistance is larger than the rotating force of the moving plate to ensure the movement of the moving plate, and the high fault-tolerant rate is realized, the phenomena of blocking, overload and the like in the operation process of the equipment can be effectively avoided, the damage is caused, because the moving plate, the moving platform, the moving rod, the rotating shaft, the fixed platform and the moving assembly are connected, the dislocation is realized, the moment caused by the deviation is larger than the resistance between the damping block and the first boss and the second boss, the slipping phenomenon can be realized, the damage can be effectively avoided, the fault-tolerant rate is improved, the service life is prolonged, and the later-stage cost is reduced.

The supporting assembly comprises an air vent arranged on the second rotating rod, a first channel matched with the air vent, a second channel matched with the first channel, a third channel matched with the second channel and a transverse plate arranged on the third channel, the third channel is connected with the second channel in a parallel state, the second channel is connected with the first channel in a vertical state, the first channel, the second channel and the third channel are arranged in a hollow state, the first channel is internally square and hollow, the second channel and the third channel are internally arranged in a circular and hollow state, the inner diameters of the second channel and the third channel are the same, and the second channel and the third channel are connected in a sealing mode. The coating product sleeve can be more conveniently arranged without clamping, and more products can be coated at one time.

The clamping device comprises a pressure plate arranged on a first channel, a ventilation assembly arranged on the first channel, an ejector rod arranged on a second channel, a clamping hole arranged on the side wall of a third channel, a conical table arranged on the clamping hole and a clamping rod arranged on the conical table, wherein the ejector rod is cylindrical, has the same diameter with the inner wall of the third channel and the inner wall of the second channel and is connected in a sealing state, the top of the upper end of the ejector rod is a conical table with a small upper end and a large lower end, the conical angle of the conical table is 45 degrees, the conical table is a right-angled trapezoid with a large upper end and a small lower end, the trapezoidal angle is 45 degrees, an arc surface opening is formed in the trapezoidal inclined surface, and the radian. When the movable plate rises, the volume of the movable plate and the volume of the fixed table are reduced, the air pressure is increased to push the pressure plate to move forwards, the air pressure on the other side of the pressure plate is also increased to push the ejector rod to move upwards, when the ejector rod is in contact with the conical table, the contact table is pushed towards two sides, and the two sides of a coated product can be oppositely abutted to realize a clamping state. Set up atmospheric pressure and promote the ejector pin, remove the toper platform and press from both sides tight product, with the atmospheric pressure clamping-force strong, stable moreover, atmospheric pressure also has a shock attenuation effect, can make and touch product under the unexpected circumstances can be effectual when receiving vibrations, can play the effect of a shock attenuation buffering, convert rigid impact into the flexible impact, reduce the destruction to the product as far as, reduce the loss.

The ventilation assembly comprises an air outlet pipe arranged on the inner wall of the first channel, a ventilation plate arranged on the air outlet pipe, air holes arranged on the ventilation plate, a reset spring arranged on the ventilation plate, an air outlet plate arranged on the reset spring, a conical plate arranged at the connecting corner of the first channel and the second channel, and an air inlet ball arranged on the conical plate, wherein the conical plate is a rectangular pyramid and is in a shape with a large upper opening and a small lower opening. Ventilative board fixed connection is on the outlet duct when atmospheric pressure be greater than with reset spring's elasticity, and reset spring warp and drives the play gas board of connection on reset spring and outwards remove, and when the outlet duct was removed to the outlet duct to the board of giving vent to anger, inside atmospheric pressure just will be discharged, and when the negative pressure appeared in inside, outside atmospheric pressure had entered near the dome, had realized admitting air. After having set up the contemporary subassembly, can guarantee the balance of inside atmospheric pressure, when the coating film, the temperature can rise, the inflation of gas has been led to, the internal pressure increases, the subassembly of ventilating this time can exhaust to the outside, then when the temperature cooling, inside presents the negative pressure, the ball of admitting air is by jack-up upwards, aerify and to guarantee the atmospheric pressure balance of inside and outside, when meeting clamping device and transmission and receiving the impact, the play gas board on the outlet duct can give vent to anger, can effectual shock attenuation and prevent the damage that these two devices lead to because the circumstances such as too pressing from both sides tightly or transmission card is dead.

The working assembly comprises a jacking shaft arranged on the jacking rod, a jacking shaft sleeve matched with the jacking shaft, a top plate arranged on the jacking shaft sleeve, and a telescopic spring arranged on the top plate. When the ejector pin upwards pushed up, drive apical axis upward movement, the epaxial expanding spring of apical axis promotes the roof upward movement and drives the product upward movement, and the roof lower extreme is equipped with the apical axis cover and links firmly on the roof, and the apical axis cover is established on the apical axis, prevents to take off the connection, sets up the work subassembly and can push up the product from inside, can make the bottom also can the coating film like this, has solved the problem that the bottom can not the coating film before.

The rotating device comprises a rotating base, a rotating rod arranged on the rotating base, a motor arranged on the rotating rod, a second rotating rod arranged on the rotating rod, a rolling element arranged on the second rotating rod, a first limiting plate and a second limiting plate which are matched with the rolling element, a supporting element arranged on the second rotating rod, a rotating gear arranged on the supporting element, a first rack matched with the rotating gear, and a first upper limiting strip and a first lower limiting strip which are arranged on two sides of the first rack. The rotating gear is meshed with the first rack, and the rotating assembly rotates to drive the gear and the rack to move, so that the rotating base is driven to rotate circumferentially along the spraying device, the coated product can be guaranteed to rotate when passing through an outlet of the spraying device due to the fact that the coated product rotates, and the coated product can be more uniform in thickness.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a perspective sectional view taken along line a-a of fig. 2.

Fig. 4 is an enlarged view of fig. 3.

Fig. 5 is an enlarged view of fig. 4.

FIG. 6 is a top view of the present invention.

Fig. 7 is a perspective sectional view taken along line B-B in fig. 6.

Fig. 8 is an enlarged view of fig. 7 at B.

Fig. 9 is an enlarged view at a in fig. 7.

Fig. 10 is an enlarged view at D in fig. 9.

Fig. 11 is an enlarged view at C in fig. 9.

Detailed Description

As shown in fig. 1-11, a plastic vacuum coating apparatus with uniform coating thickness comprises a housing 1, a rotating device 2, a spraying device 3, a transmission device 6, a clamping device 4, a working assembly 5, a rotating base 21, a supporting frame 29, a rotating rod 22, a motor 28, a second rotating rod 26, a rolling member 23, a first limiting plate 24, a second limiting plate 25, a supporting assembly 27, a rotating gear 271, a first rack 277, a first upper limiting strip 278, and a first lower limiting strip 279.

The shell 1 is cylindrical, the rotating device 2 can slide on the base 13, the spraying device 3 is welded on the upper cover 14, the transmission device 6 is fixedly connected to the rotating device 2, the clamping device 4 slides in the pipeline in the supporting component 27, the top shaft 2715 and the ejector rod 2714 are fixed at the upper end of the ejector rod 2714 through screws, and the top shaft 2715 and the ejector rod 2714 are arranged in a horizontal state. The rotating device 2 is provided with four groups of annular devices which are uniformly distributed on the rotating base 13, the supporting frames 29 are fixedly connected on the rotating base 13, and the supporting frames 29 are arranged on two sides of the motor 28; the rotating rod 22 is rotatably connected with the supporting frame 29; the motor 28 is fixedly connected to the bottom of the rotating rods to drive the rotating rods to rotate, and the rest of the motors 28 are arranged on one group; the second rotating rod 26 is sleeved on the rotating rod 22, and the upper end surface and the lower end surface of the second rotating rod are fixedly connected to the rotating rod and rotate together with the rotating rod; the rolling element 23 is a bearing, is sleeved at the bottom of the second rotating rod 26, moves between the first limiting plate 24 and the second limiting plate 25, the first limiting plate 24 is fixedly connected to the inner wall of the shell 1, the second limiting plate 25 is fixedly connected to the bottom of the spraying device 3, and the first limiting plate 24 and the second limiting plate 25 are in rolling connection with the rolling component 65; the supporting component 27 is fixedly connected to the outer wall of the second rotating rod 26; the rotating gear 271 is fixedly connected to the outer wall of the second channel 273 of the supporting member 27, and the first rack 277 is fixedly connected to the inside of the casing 1 to be engaged with the rotating gear 271; the first upper limit bar 278 and the first lower limit bar 279 are respectively arranged on the upper and lower sides of the first rack 277, and the width of the first upper limit bar 278 and the first lower limit bar 279 is longer than the tooth surface of the first rack 277, and the first upper limit bar 278 and the first lower limit bar 279 are fixedly connected on the inner wall of the shell 1.

When a product to be coated is placed on the clamping device 4, the motor 28 on the rotating rod drives the rotating rod to rotate, the rotating rod rotates to drive the rotating second rotating rod 26 to rotate, the second rotating rod 26 rotates to drive the supporting component 27 on the second rotating rod 26 to rotate along the rotating rod, the gear on the supporting component 27 is meshed with the rack, and the rotating component drives the gear and the rack to move because of the rotation, so that the rotating base 1321 is driven to rotate circumferentially along the spraying device 3. The motor 28 is arranged on the rotating rod, and can respectively drive the rotating base 1321 and the supporting component 27 to rotate, so that the transmission components can be reduced, and the structure is simple. And because the coating product on clamping device 4 is also rotating following, the product can be guaranteed to rotate when the export of spraying device 3 is crossed, then the thickness of product coating can be more even, carry out clearance fit between rolling subassembly 65 and first limiting plate 24 and the second limiting plate 25 that set up on second rotary rod 26, but the clearance is within 1mm, can lead to rolling subassembly 65 and first limiting plate 24 or second limiting plate 25 card to die after the rotary rod on the equipment takes place the skew and lead to stop work, can effectually prevent that coating equipment from using the long time and leading to after not hard up the position removal later, the emergence collision leads to some dangerous emergence in equipment work engineering, also can reduce the damage degree of equipment and product, can effectual reduction loss. The first upper limiting strip 278 and the first lower limiting strip 279 on two sides of the first rack 277 are arranged, so that the gear can rotate and move between the first upper limiting strip 278 and the first lower limiting strip 279, disengagement can be prevented in the rotating process, the length of the first upper limiting strip 278 and the length of the first lower limiting strip 279 are larger than the tooth surface, and the gear can be effectively prevented from being damaged by the gear or the rack due to the fact that foreign matters enter the gear and the rack when the gear is engaged.

The shell comprises a revolving door 11, a second rack 111, a second upper limit bar 112, a second lower limit bar 113, a cylindrical outer cover 12, a base 13 and an upper cover 14.

The revolving door 11 is hinged on the cylindrical outer cover 12; the second rack 111 is fixedly connected to the wall of the revolving door 11 and can be meshed with the first rack 277; the second upper limit bar 112 and the second lower limit bar 113 are arranged at the upper and lower sides of the second rack 111 and can be meshed with the first upper limit bar 278 and the first lower limit bar 279; the cylindrical outer cover 12 is hinged with the rotating door 11, and can form a sealed cylinder with the semicircular outer cover when the rotating door 11 is closed; the base 13 is fixedly connected with the bottom of the cylindrical outer cover 12; an upper cover 14 is attached to the top of the cylindrical housing 12. When the revolving door 11 is closed, the second rack 111 installed on the revolving door 11 is arranged, the second upper limit bar 112 and the second lower limit bar 113 are matched with the first rack 277, the first upper limit bar 278 and the first lower limit bar 279 arranged on the inner wall of the cylindrical outer cover 12, and when the device works, the gear meshed with the first rack 277, the first upper limit bar 278, the first lower limit bar 279, the rack of the second rack 111, the second upper limit bar 112 and the second lower limit bar 113 can do circular rotation motion along the spraying device 3. The gear and the rack are arranged to be matched, the matching precision is not required to be high, the gear and the rack can be arranged in a segmented mode, the processing cost is low, the first rack 277, the first upper limiting strip 278, the first lower limiting strip 279, the second rack 111, the second upper limiting strip 112 and the second lower limiting strip 113 are separately arranged to be matched, when a door is opened, a worker can open the equipment by mistake when taking materials, the equipment can rotate to hurt people, because the rotating base 1321 rotates to require the gear to be matched with the first rack 277, the first upper limiting strip 278, the first lower limiting strip 279, the second rack 111, the second upper limiting strip 112 and the second lower limiting strip 113 to move, when the door is opened, the moving gear moves to the positions of the second rack 111, the second upper limiting strip 112 and the second lower limiting strip 113, the moving gear cannot rotate because of no matching, therefore, the person is not hurt at the time, and a protective effect is achieved.

The spraying device comprises an upper cover 14, a feed inlet 31, a first spraying port 32, a second spraying port 33 and a third spraying port 34.

The feed inlet 31 is fixedly connected to the bottom of the upper cover 14, and the feed inlet 31 is vertical to the horizontal direction; the first spraying port 32, the second spraying port 33 and the third spraying port are fixedly connected to the side edge of the feed port and are perpendicular to the feed port, and the three spraying ports are uniformly distributed on the feed port. The coating material can be sprayed in a mist form from three spraying ports of the spraying device 3, and a plurality of spraying ports can be arranged to make the concentration of the coating material in the upper, middle and lower parts of the interior of the housing 1 uniform as much as possible, so that the condition that the upper and lower coating materials in the housing 1 are not uniform after being sprayed from one spraying port can not occur.

The transmission device comprises a rotating rod 22, a thread 61, a moving plate 62, a moving platform 63, a moving rod 64, a rolling assembly 65, a fixed platform 66, a sealing ring (67, a,

A plurality of groups of transmission devices 6 are arranged between the rotating rods and the second rotating rods 26 and are rotatably connected to the bottoms of the rotating rods through threads, the inner ring of the moving plate 62 is meshed with the threads, and the outer ring of the moving plate 62 slides and seals with the second rotating rods 26; the moving plate 63 is fixedly connected to the moving plate 62, the moving plate 63 is perpendicular to the moving plate 62, the moving rod 64 is sleeved in the moving plate 63 and is in sliding connection with the moving plate 63 and can move up and down, and the rolling assembly 65 is fixed on the moving rod 64; the rolling assembly 65 is arranged on a fixed table 66, the fixed table 66 is connected with a sealing ring 67 in a sliding mode, and a plurality of groups of transmission devices 6 are vertically arranged in the rotating device 2. The fixed table 66 is axially and slidably connected with the rotating shaft and the first rotating shaft without rotating, the fixed table 66 is slidably connected with the rolling assembly 65, the moving assembly is fixedly connected with the moving rod 64, the moving rod 64 is slidably connected with the moving plate 63, the moving plate 63 is fixedly connected with the moving plate 62, because the fixed table 66 does not do rotating motion, the fixed table 66 is connected with the moving plate 63, the moving plate 63 does not rotate, the thread on the rotating rod drives the thread on the moving plate 62 to be meshed, and therefore when the rotating rod rotates, the thread on the rotating rod rotates and the moving plate 62 matched with the rotating rod does not rotate, and the rotating motion of the rotating rod is converted into the linear motion of the moving plate 62. The connection between the fixed table 66 and the movable plate 63 is arranged, so that the movable plate 63 is meshed with threads on a rotating shaft to do linear motion, the matching precision is high, errors are not easy to occur, the connection structure between the movable plate 63 and the movable rod 64 is simple, not only can the expansion and contraction be realized, but also the axial fixation can be realized, the movable plate 62 is not rotated, the effect is good, the later maintenance is simple, only the movable rod 64 needs to be sleeved in the movable plate 63 only by the principle of air pressure balance because the inner space between the movable plate 62 and the fixed table 66 is sealed, the movable rod 64 does not need to be connected excessively, the movable plate 63 and the movable rod 64 can not be disconnected, the structure is simplified, the connection stability can be ensured, the cost of the corresponding connection structure is reduced because the required connection structure is reduced, and the later maintenance of one connection structure is not needed, the maintenance cost is reduced.

The rolling assembly includes a fixed table 66, a sliding slot 651, a first boss 652, a second boss 653, a rolling wheel 654, and a damping mass 655.

The sliding groove 651 is arranged in the fixed table 66 and is annularly arranged in a T-shaped manner, the opening of the sliding groove is downward, the first boss 652 and the second boss 653 slide on the sliding groove 651, the first boss 652 and the second boss 653 of the rolling wheel 654 roll on the first boss 652 and the second boss 653, the damping block 655 is fixedly connected on the rolling wheel 654, the damping block 655 slides with the first boss 652 and the second boss 653, the first boss 652 and the second boss 653 are arranged on the inner wall of the sliding groove 651, the spacing distance between the first boss 652 and the second boss 653 is smaller than the diameter of the damping block 655 matched with the first boss 652 and the second boss 653, a plurality of groups of the first boss 652 and the second boss 653 are evenly arranged on the inner wall of the sliding groove in an annular manner, and the damping blocks 655 are evenly arranged on the outer wall of the rolling wheel 654 in an annular manner. When the rotating rod rotates, the thread on the rotating rod drives the moving plate 62 to move upwards, when the moving plate 62 moves to the top end of the thread of the rotating rod, a rotating force is transmitted to the moving plate 62 when the rotating rod cannot move, the moving plate 62 transmits the moving plate 63, the moving plate 63 transmits the moving rod 64, and the moving rod 64 transmits the rotating force to the rolling wheel 654 on the moving assembly, the damping block 655 on the moving wheel is matched with the first boss and the second boss, the damping block 655, the first boss and the second boss are made of soft rubber materials, the ductility is achieved, when the rotating force is larger than the resistance between the damping block 655 and the matching of the first boss and the second boss, then, the rotating rod starts to rotate, and the slipping phenomenon occurs. Damping piece 655 is provided, soft rubber material is used to first boss and second boss, ductility has been had, and damping piece 655 and first boss and second boss cooperate has been set up, deformation between the rubber can play a resistance, this resistance is greater than the revolving force that movable plate 62 removed and just can guarantee the removal of movable plate 62, and there is very high fault-tolerant rate, can effectually avoid some jamming in the equipment operation process, the circumstances such as overload appear and lead to damaging, because movable plate 62, movable plate 63, carriage release lever 64, the rotation axis, fixed station 66, the connection between the removal subassembly, the dislocation has appeared, when the circumstances of skew leads to moment to be greater than the resistance between damping piece 655 and first boss and the second boss, the phenomenon of skidding will appear, can effectively avoid destroying, improve the fault-tolerant rate, increase of service life, reduce the later stage cost.

The support assembly includes the second rotating lever 26, the vent 271, the first channel 272, the second channel 273, the third channel 274, and the cross plate 275.

Four supporting components 27 are uniformly arranged on the second rotating rod along the axis, the four supporting components are set as a group, and three groups are uniformly arranged along the vertical direction of the second rotating rod 26; the air vent 271 opens on the inner wall of the second rotating rod 26; the first channel 272 is connected with the vent 271, the second channel 273 is connected with the tail end of the first channel 272 and is perpendicular to the first channel 272, and the third channel 274 is connected with the second channel 273; a transverse plate 275 disposed on a third channel 274, wherein the third channel 274 is connected with the second channel 273 in a parallel state, the second channel 273 is connected with the first channel 272 in a perpendicular state, the first channel 272, the second channel 273 and the third channel 274 are hollow, the first channel 272 is hollow in a square shape, the second channel 273 and the third channel 274 are hollow in a circular shape, and the inner parts of the second channel 273 and the third channel 274 are the same in diameter and are hermetically connected; the first passage 272, the second passage 273, and the third passage 274 are connected to form an "L" shape. The coating product sleeve can be more conveniently arranged without clamping, and more products can be coated at one time.

The clamping device includes a first channel 272, a pressure plate 41, a vent assembly 42, a second channel 273, a push rod 2714, a third channel 274, a tapered land 45 of a clamping hole 44, a clamping rod 46, a third channel 274, a reset rod 458, and a tension spring 459.

The pressure plate 41 moves on the first channel 272 and is sealed with the first channel 272, the opening of the vent assembly 42 is arranged on the first channel 272, the ejector rod 2714 is connected with the inner wall of the second channel 273 in a sliding manner and is sealed with the inner wall, the clamping hole 44 is opened on the side wall of the third channel 274, the tapered platform 45 is sleeved on the clamping hole 44 and slides, the tapered platform 45 is a right-angled trapezoid with a small upper end and a small end, the reset rod 458 is fixedly connected with the tapered platform 45 at one end in an L shape, the two ends of the tension spring 459 are fixedly connected on the two symmetrically arranged reset rods 458, the trapezoidal angle is 45 degrees, the clamping rod 46 is arranged on the right-angled edge of the tapered platform 45, the ejector rod 2714 is cylindrical, has the same diameter as the inner walls of the third channel 274 and the second channel 273 and is connected in a sealing manner, the top of the upper end of the ejector rod 2714 is a tapered platform with a small upper end and a large lower, the radian is consistent with the round radian of the lower ejector rod 2714. When the moving plate 62 rises, the volumes of the moving plate 62 and the fixed platform 66 are reduced, the pressure plate 41 is pushed forwards by increasing the air pressure, the ejector rod 2714 is pushed upwards by increasing the air pressure on the other side of the pressure plate 41, and when the ejector rod 2714 is in contact with the conical platform 45, the contact platform is pushed towards two sides, so that the clamping state of the two sides of the coated product can be realized. Set up atmospheric pressure and promote ejector pin 2714, remove the tight product of toper platform 45 clamp, with atmospheric pressure clamping-force strong, stable moreover, atmospheric pressure also has a shock attenuation effect, can make and touch product under the unexpected circumstances and receive can be effectual when vibrations, can play the effect of a shock attenuation buffering, convert rigid impact into flexible impact, reduce the destruction to the product as far as, reduce the loss.

The ventilation assembly comprises a gas outlet pipe 421, a ventilation plate 422, a ventilation hole 423, a return spring 424, a gas outlet plate 426 and a conical plate 425.

The outlet pipe 421 opening is on first passageway 272 bottom surface, with first passageway 272 intercommunication, ventilative board 422 links firmly on the trachea, bleeder vent 423 is a plurality of in the annular distribution on ventilative board 422, reset spring 424 links firmly on ventilative board 422, the outlet plate 426 links firmly on reset spring 424, outlet plate 426 directly seals with outlet pipe 421, can slide from top to bottom in outlet pipe 421, tapered plate 425 is connected the corner opening and sets up down at first passageway 272 and second passageway 273, the air inlet is placed on tapered plate 425, tapered plate 425 is the shape setting that the big lower face of opening is little for the four pyramids above the opening. Ventilative board 422 fixed connection is on outlet duct 421 when atmospheric pressure be greater than with reset spring 424's elasticity, reset spring 424 warp and drives the outside removal of air outlet plate 426 of connection on reset spring 424, when air outlet plate 426 removes outside outlet duct 421, inside atmospheric pressure just will be discharged and go, when the negative pressure appears in inside, outside atmospheric pressure has entered near term ball top, has realized admitting air. After having set up the contemporary subassembly, can guarantee the balance of inside atmospheric pressure, when the coating film, the temperature can rise, the inflation that has led to gas, the internal pressure increases, subassembly 42 of ventilating this time can exhaust to the outside, then when the temperature cooling, inside presents the negative pressure, the ball of admitting air is by jack-up upwards, aerify and to guarantee the atmospheric pressure balance of inside and outside, when meeting clamping device 4 and transmission 6 and receiving the impact, the board 426 of giving vent to anger on the outlet duct 421, can effectual shock attenuation and prevent these two devices because the damage that the circumstances such as too clamp tightly or transmission card die leads to.

The working assembly comprises a top rod 2714, a top shaft 2715, a top shaft sleeve 2716, a top plate 2717 and a telescopic spring 2718.

The apical axis links firmly on ejector pin 2714 terminal surface, and the apical axis is perpendicular with ejector pin 2714 terminal surface, and apical axis cover is established and is slided outside the apical axis, and roof 2717 links firmly on the apical axis cover, and is perpendicular with the apical axis cover, and expanding spring 2718 one end links firmly at roof 2717, and the other end links firmly on the apical axis, locates the inside of apical axis cover. When the ejector pin 2714 pushes up, the ejector pin moves upwards, the telescopic spring 2718 on the ejector pin pushes the top plate 2717 to move upwards to drive the product to move upwards, the top shaft sleeve is arranged at the lower end of the top plate 2717 and fixedly connected to the top plate 2717, the top shaft sleeve is arranged on the ejector pin to prevent disconnection, the working assembly 5 is arranged to push up the product from the inside, so that the bottom can be coated with a film, and the problem that the bottom cannot be coated with a film in the prior art is solved.

When putting the product that needs the coating film on clamping device 4, then motor 28 on the rotary rod drives the rotary rod and makes rotatoryly, the rotary rod is rotatory to drive rotatory second rotary rod 26 rotatory, second rotary rod 26 rotates and drives supporting component 27 on the second rotary rod 26 rotatory along the rotary rod, gear and rack toothing on the supporting component 27, because the rotating component is rotatory, gear and rack motion has been driven, thereby it is rotatory to have driven rotating base 1321 to do the circumference along spraying device 3, then the coating material spraying of the inside of spraying device 3 comes out and carries out the coating film to the product on supporting component 27.

Claims

1. The utility model provides a plastics vacuum coating equipment that coating film thickness is even, includes casing (1), locates rotary device (2) and spraying device (3) in the casing, locates transmission (6) on rotary device (2), locates clamping device (4) on rotary device (6) and clamping device (4) complex work subassembly (5), its characterized in that: rotating device (2) are including rotating base (21), locate support frame (29) on rotating base, locate rotary rod (22) on support frame (29), locate motor (28) on rotary rod (22), locate second rotary rod (26) on rotary rod (22), locate rolling member (23) on second rotary rod (26), with rolling component (23) complex first limiting plate (24) and second limiting plate (25), locate supporting component (27) on second rotary rod (26), locate rotating gear (276) on the supporting component (27), with rotating gear (276) complex first rack (277), locate first upper limit strip (278) and first lower limit strip (279) on first rack (277) both sides.

2. The vacuum plating equipment for plastic with uniform plating thickness according to claim 1, characterized in that: the shell (1) comprises a rotating door (11), a second rack (111) arranged on the rotating door (11), a second upper limiting strip (112) and a second lower limiting strip (113) which are arranged on two sides of the second rack (111), a cylindrical outer cover (12) matched with the rotating door (11), a base (13) arranged at the bottom of the cylindrical outer cover (12), and an upper cover (14) arranged at the top of the cylindrical outer cover (12).

3. The vacuum plating equipment for plastic with uniform plating thickness according to claim 1, characterized in that: the spraying device (3) comprises a feed inlet (31) arranged on the upper cover (14), a first spraying port (32), a second spraying port (33) and a third spraying port (34) arranged on the feed inlet, and the three spraying ports are uniformly distributed on the feed inlet.

4. The vacuum plating equipment for plastic with uniform plating thickness according to claim (1), wherein: transmission (6) including locate screw thread (61) on rotary rod (22), with screw thread (61) complex movable plate (62), locate mobile station (63) on movable plate (62), locate carriage (64) on mobile station (63), locate rolling subassembly (65) on carriage (64), rolling subassembly (65) set up on fixed station (66), be equipped with sealing washer (67) on the fixed station, transmission (6) are in vertical the setting multiunit in rotary device (2).

5. The vacuum plating equipment for plastic with uniform plating thickness as claimed in claim 4, wherein: the rolling assembly comprises a sliding groove (651) arranged in the fixed platform (66), a first boss (652) and a second boss (653) arranged on the sliding groove (651), a rolling wheel (654) matched with the first boss (652) and the second boss (653), and a damping block (655) arranged on the rolling wheel (654) and matched with the first boss (652) and the second boss (653), wherein the sliding groove (651) is arranged on the fixed platform (66) in a T-shaped opening and is downwards annularly arranged, the first boss (652) and the second boss (653) are arranged on the inner wall of the sliding groove (651), the spacing distance between the first boss (652) and the second boss (653) is smaller than the diameter of the damping block (655) matched with the first boss (652) and the second boss (653), and a plurality of groups of the first boss (652) and the second boss (653) are uniformly arranged on the inner wall of the sliding groove (651) in an annular manner, the damping blocks (655) are uniformly arranged on the outer wall of the rolling wheel (654) in a ring shape.

6. The vacuum plating equipment for plastic with uniform plating thickness according to claim 1, characterized in that: the supporting component (27) comprises a vent hole (271) arranged on the second rotating rod (26), a first channel (272) matched with the vent hole (271), a second channel (273) matched with the first channel (272), a third channel (274) matched with the second channel (273), and a transverse plate (275) arranged on the third channel (274), wherein the third channel (274) is connected with the second channel (273) in a parallel state, the second channel (273) is connected with the first channel (272) in a vertical state, the first channel (272), the second channel (273) and the third channel (274) are internally hollow, the first channel (272) is internally square hollow, the second channel (273) and the third channel (274) are internally circular hollow, have the same inner diameter and are connected in a sealing mode.

7. The vacuum plating equipment for plastic with uniform plating thickness according to claim 1, characterized in that: the clamping device (4) comprises a pressure plate (41) arranged on a first channel (272), a ventilation assembly (42) arranged on the first channel (272), an ejector rod (43) arranged on a second channel (273), a clamping hole (44) arranged on the side wall of a third channel (274), a conical table (45) arranged on the clamping hole (44), and a clamping rod (46) arranged on the conical table (45), wherein the ejector rod (43) is cylindrical, has the same diameter with the inner wall of the third channel (274) and the inner wall of the second channel (273), is connected in a sealing state, the top of the upper end of the ejector rod (43) is a conical table with a small upper end and a large lower end, the conical table has a cone angle of 45 degrees, the conical table (45) is a right-angled trapezoid with a large upper end and a small end, the trapezoid angle is 45 degrees, an arc surface opening is formed in the trapezoid inclined surface, and the radian is consistent with.

8. The vacuum plating equipment for plastic with uniform plating thickness according to claim 7, characterized in that: the ventilation assembly (42) comprises an air outlet pipe (421) arranged on the inner wall of the first channel, a ventilation plate (422) arranged on the air outlet pipe (421), ventilation holes (423) arranged on the ventilation plate (422), a return spring (424) arranged on the ventilation plate (422), an air outlet plate (426) arranged on the return spring (424), a conical plate (425) arranged at the connecting corner of the first channel (272) and the second channel (273), and an air inlet ball (427) arranged on the conical plate (425), wherein the conical plate (425) is in a shape with a large upper opening and a small lower opening and is a rectangular pyramid.

9. The vacuum plating equipment for plastic with uniform plating thickness according to claim 7, characterized in that: the working component (5) comprises a top shaft (2715) arranged on the top rod (2714), a top shaft sleeve (2716) matched with the top shaft (2715), a top plate (2717) arranged on the top shaft sleeve (2716) and a telescopic spring (2718) arranged on the top plate (2717).