CN216330716U - Adhesive tape covering and pasting device - Google Patents

Abstract

The utility model discloses a tape coating device which comprises a machine base, wherein a rotatable supporting platform, a clamping mechanism, a first coating height adjusting mechanism, a first coating horizontal adjusting mechanism, a second coating horizontal adjusting mechanism, a first cutting mechanism, a second coating mechanism and a second cutting mechanism are arranged on the machine base; the supporting platform supports the screen frame and drives the screen frame to rotate, the clamping mechanism comprises a plurality of telescopic clamping ends, and the plurality of telescopic clamping ends are in telescopic fit to clamp and fix the screen frame; the first coating mechanism is driven by the first coating height adjusting mechanism to move up and down; the first coating and pasting mechanism comprises a rotatable adhesive tape roll fixing roller, an adhesive tape clamping and drawing mechanism and a rotatable pressing roller, the adhesive tape clamping and drawing mechanism comprises a fixed plate, a movable plate, an adhesive tape clamping drive and an adhesive tape drawing drive, and the height of the pressing roller is adjustable. The adhesive tape covering and pasting device can realize adhesive tape covering and pasting of the screen frame, and is good in covering and pasting effect, high in efficiency and good in screen sealing quality consistency.

Description

Adhesive tape covering and pasting device

Technical Field

The utility model relates to the technical field of screen printing equipment, in particular to an adhesive tape covering and pasting device.

Background

The silk screen printing refers to that a silk screen is used as a plate base, and a silk screen printing plate with pictures and texts is manufactured by a photosensitive plate making method. The screen printing is composed of five major elements, namely a screen printing plate, a scraper, ink, a printing table and a printing stock. The basic principle that the meshes of the image-text part and the non-image-text part of the screen printing plate are permeable to ink and impermeable to ink is utilized to print. When printing, ink is poured into one end of the screen printing plate, a scraper plate is used for applying a certain pressure to the ink position on the screen printing plate, meanwhile, the scraper plate moves towards the other end of the screen printing plate at a constant speed, and the ink is extruded onto a printing stock from meshes of the image-text part by the scraper plate in the moving process. The plate making quality directly influences the printing quality at the later stage, and the plate making method is generally divided into a direct plate making method and an indirect plate making method, but no matter which plate making method is adopted, the screen frame needs to be sealed, so that ink leakage between the edge of the screen frame and the screen is avoided, and ink waste and equipment pollution are caused; the screen frame is the rectangle framework basically, has the difference in height between the inboard edge of its framework and the silk screen, and the screen sealing mode that at present generally adopts utilizes wide adhesive tape to cover the processing of pasting to the framework edge of screen frame, the inboard edge of framework, silk screen edge, and the adhesive tape can be fine avoids printing ink from leaking between screen frame edge and the silk screen to with low costs does not influence the reuse of screen frame. However, when the adhesive tape is used for covering and pasting the inner side edge of the frame body and the edge of the screen, the adhesive tape covering and net sealing process is difficult to realize mechanization and automation due to the height difference, no adhesive tape covering and net sealing equipment suitable for the screen frame exists in the market at present, the adhesive tape covering and net sealing operation of the screen frame can be carried out manually, the labor intensity of workers is high, the adhesive tape covering and net sealing quality is uneven, and the adhesive tape covering and net sealing effect cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide the adhesive tape covering and pasting device which can realize adhesive tape covering and pasting of the screen frame, and has the advantages of good covering and pasting effect, high efficiency and good consistency of screen sealing quality.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a tape coating device comprises a machine base, wherein a rotatable supporting platform, a clamping mechanism, a first coating height adjusting mechanism, a first coating horizontal adjusting mechanism, a second coating horizontal adjusting mechanism, a first cutting mechanism, a second coating mechanism and a second cutting mechanism are arranged on the machine base; the supporting platform supports the screen frame and drives the screen frame to rotate, the clamping mechanism comprises a plurality of telescopic clamping ends, and the plurality of telescopic clamping ends are in telescopic fit to clamp and fix the screen frame; the first coating and pasting mechanism is driven by the first coating and pasting height adjusting mechanism to do up-and-down lifting motion, the first coating and pasting horizontal adjusting mechanism drives the first coating and pasting mechanism to do horizontal reciprocating motion in the X-axis direction, and the second coating and pasting horizontal adjusting mechanism drives the first coating and pasting mechanism to do horizontal reciprocating motion in the Y-axis direction; the first coating mechanism comprises a rotatable adhesive tape roll fixing roller, an adhesive tape clamping and drawing mechanism and a rotatable pressing roller, the adhesive tape clamping and drawing mechanism comprises a fixed plate, a movable plate, an adhesive tape clamping drive and an adhesive tape drawing drive, and the height of the pressing roller is adjustable; the coiled adhesive tape is fixed on the adhesive tape roll fixing roller, the movable plate moves towards the fixed plate under the action of adhesive tape clamping driving to clamp the adhesive tape released from the coiled adhesive tape, and the fixed plate and the movable plate can move towards the press roller under the action of adhesive tape traction driving; first decide the mechanism and include first blade, the second decides the mechanism and include the second blade, the second covers pastes the mechanism and pastes the module, covers a module height adjustment drive and covers a module horizontal adjustment drive including covering, covers a module height adjustment drive and drives and cover a module reciprocating lift, covers a module horizontal adjustment drive and covers a module horizontal reciprocating motion.

Preferably, still be equipped with transport mechanism on the frame, transport mechanism includes two parallel arrangement's conveyer belt, and the conveyer belt can bearing and conveying net frame, conveyer belt height-adjustable, supporting platform sets up between two conveyer belts.

Preferably, the support platform is height adjustable.

Preferably, the first cutting mechanism further comprises a first blade drive, and the first blade drive can drive the first blade to move to a position between the adhesive tape clamping and drawing mechanism and the pressing roller.

Preferably, the first cutting mechanism is fixed on the first coating mechanism, the first coating height adjusting mechanism comprises a first coating height adjusting cylinder, and the first coating height adjusting cylinder drives the first coating mechanism to lift up and down; the first coating horizontal adjusting mechanism comprises a first coating horizontal adjusting motor and a first lead screw nut mechanism, the first coating horizontal adjusting motor drives the first lead screw nut mechanism to rotate so as to drive the first coating mechanism to horizontally reciprocate in the X-axis direction, the second coating horizontal adjusting mechanism comprises a second coating horizontal adjusting motor and a second lead screw nut mechanism, and the second coating horizontal adjusting motor drives the second lead screw nut mechanism to rotate so as to drive the first coating mechanism to horizontally reciprocate in the Y-axis direction.

Preferably, the first blade is driven to be a lever cylinder or a rotary cylinder, a cutter bar is arranged on the lever cylinder or the rotary cylinder, the first blade is fixed on the cutter bar, and the lever cylinder or the rotary cylinder drives the cutter bar to rotate so as to enable the first blade to move between the adhesive tape clamping and drawing mechanism and the press roller, so that the adhesive tape between the adhesive tape clamping and drawing mechanism and the press roller is cut; and a guide roller is arranged between the adhesive tape roll fixing roller and the adhesive tape clamping and drawing mechanism.

Preferably, the second blade is rotatable and horizontally adjustable.

Preferably, the number of the second blades is two, and the two second blades are respectively arranged on two sides of the covering module.

Preferably, the coating module is substantially elongated.

Preferably, the compression roller is driven by an air cylinder to realize height adjustment, the air cylinder for driving the compression roller can drive the compression roller to move downwards, and the height adjustment of the conveyor belt, the height adjustment of the supporting platform, the expansion of the clamping end, the clamping drive of the adhesive tape, the traction drive of the adhesive tape, the height adjustment drive of the coating module and the horizontal adjustment drive of the coating module are all driven by the air cylinder; a screen frame pushing mechanism is arranged on one side of the machine base and comprises a telescopic pushing plate and a screen frame placing table.

In the technical scheme, the two conveyor belts synchronously rotate to support the screen frame and convey the screen frame to the supporting platform, and the plurality of clamping ends are in telescopic fit to clamp and fix the screen frame; the coiled adhesive tape is fixed on an adhesive tape roll fixing roller, the movable plate moves towards the fixed plate under the action of adhesive tape clamping driving to clamp the adhesive tape released from the coiled adhesive tape, the fixed plate and the movable plate move towards the compression roller under the action of adhesive tape traction driving, and the compression roller moves downwards to lay and fix the end part of the adhesive tape on the screen frame; then the first coating horizontal adjusting mechanism drives the first coating mechanism to move horizontally, the adhesive tape roll fixing roller rotates with the first coating horizontal adjusting mechanism to release the adhesive tape until the first coating horizontal adjusting mechanism drives the first coating mechanism to coat the adhesive tape to the edge of the other opposite edge of the screen frame, and the lever cylinder or the rotary cylinder drives the cutter bar to rotate so that the first blade moves to a position between the adhesive tape clamping and drawing mechanism and the press roller, so that the adhesive tape between the adhesive tape clamping and drawing mechanism and the press roller is cut; after the adhesive tapes on the inner side edge of the screen frame body and the edge of the screen are paved, the second blades arranged on the two sides of the covering module rotate to cut off the adhesive tapes which are partially overlapped on the inner side edge of the screen frame body and the edge of the screen, so that the adhesive tapes can be bent along the inner side edge of the screen frame body; the height adjustment drive of the covering module drives the covering module to descend, the side face of the covering module is matched with the inner side edge of the net frame body, the adhesive tape is bent along the inner side edge of the net frame body and is covered and adhered on the inner side edge of the net frame body, and the horizontal adjustment drive of the covering module drives the covering module to move horizontally, so that the adhesive tape is further covered and adhered on the silk screen. The supporting platform rotates to drive the screen frame to rotate so as to realize that the adhesive tape on the other side edge of the screen frame is covered and pasted, so that the whole adhesive tape of the screen frame is covered and pasted, the covering and pasting effect is good, the efficiency is high, and the screen sealing quality is good in consistency.

Drawings

FIG. 1 is a schematic view of a frame;

FIG. 2 is a perspective view of the adhesive tape application device;

FIG. 3 is a front view of the adhesive tape application device;

FIG. 4 is a left side view of the tape application apparatus;

FIG. 5 is a schematic top view of the tape application apparatus.

Detailed Description

The utility model will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 5, the adhesive tape covering and pasting device includes a base 10, wherein a rotatable supporting platform 20, a clamping mechanism 30, a first covering and pasting mechanism 40, a first covering and pasting height adjusting mechanism 50, a first covering and pasting horizontal adjusting mechanism 60, a second covering and pasting horizontal adjusting mechanism 65, a first cutting mechanism 70, a second covering and pasting mechanism 80 and a second cutting mechanism 90 are arranged on the base 10; the supporting platform 20 supports the screen frame 1 and drives the screen frame 1 to rotate, the clamping mechanism 30 comprises four groups of telescopic clamping ends 31 symmetrically arranged on the periphery of the supporting platform 20, and the four groups of clamping ends 31 utilize telescopic cooperation of cylinders to clamp and fix the screen frame 1; the first coating and pasting mechanism 40 is driven by the first coating and pasting height adjusting mechanism 50 to move up and down to adapt to different heights of the screen frame 1 and the screen 2, the first coating and pasting height adjusting mechanism 50 comprises a first coating and pasting height adjusting cylinder 51, and the first coating and pasting height adjusting cylinder 51 drives the first coating and pasting mechanism 40 to move up and down; the first coating horizontal adjusting mechanism 60 drives the first coating mechanism to horizontally reciprocate in the X-axis direction, and the second coating horizontal adjusting mechanism 65 drives the first coating mechanism to horizontally reciprocate in the Y-axis direction; the first coating horizontal adjusting mechanism 60 includes a first coating horizontal adjusting motor and a first lead screw nut mechanism, the first coating horizontal adjusting motor drives the first lead screw nut mechanism to rotate so as to drive the first coating mechanism 40 to horizontally reciprocate in the X-axis direction, the second coating horizontal adjusting mechanism 65 includes a second coating horizontal adjusting motor and a first lead screw nut mechanism, the second coating horizontal adjusting motor drives the second lead screw nut mechanism to rotate so as to drive the first coating mechanism 40 to horizontally reciprocate in the Y-axis direction, and the first coating horizontal adjusting mechanism 60 and the second coating horizontal adjusting mechanism 65 are connected with the first coating mechanism 40 through the first coating height adjusting mechanism 50. First cover and paste mechanism 40 and include rotatable adhesive tape roll fixed roll 41, the tight traction mechanism 42 of adhesive tape clamp and rotatable compression roller 43, the tight traction mechanism 42 of adhesive tape clamp includes fixed plate 421, movable plate 422, the tight drive of adhesive tape clamp and adhesive tape tractive drive to compression roller 43 height-adjustable specifically can be that adhesive tape presss from both sides tight drive and adhesive tape tractive drive and all adopts the cylinder drive mode, movable plate 422 and adhesive tape press from both sides the cylinder of tight drive and link to each other, and adhesive tape presss from both sides tight driven cylinder and links to each other with adhesive tape tractive driven cylinder again. Like this, fix the sticky tape of lapping on sticky tape roll fixed roll 41, movable plate 422 moves towards fixed plate 421 under the sticky tape presss from both sides tightly the sticky tape 3 that releases from the sticky tape of lapping to be tight, fixed plate 421 and movable plate 422 move towards compression roller 43 under the sticky tape tractive drive effect afterwards, make sticky tape 3 be close to compression roller 43 below, compression roller 43 also adopts the cylinder drive to realize height adjustment, and the cylinder that drives compression roller 43 can drive compression roller 43 downward sloping motion, so that compression roller 43 is changeed and is pressed the sticky tape 3 and cover on the net frame 1, after sticky tape 3 is pressed by compression roller 43 and covers on the net frame 1, movable plate 422 is kept away from fixed plate 421. And then the first coating horizontal adjusting mechanism 60 drives the first coating mechanism 40 to horizontally move in the X-axis direction, and the adhesive tape roll fixing roller 41 rotates along with the first coating horizontal adjusting mechanism 60 to release the adhesive tape 3 until the first coating horizontal adjusting mechanism 60 drives the first coating mechanism 40 to coat the adhesive tape 3 on the edge of the other opposite edge of the screen frame 1. The first cutting mechanism 70 comprises a first blade 71 and a first blade driver 72, the first blade driver 72 is a lever cylinder or a rotary cylinder, a cutter bar (not shown) is arranged on the lever cylinder or the rotary cylinder, the first blade 71 is fixed on the cutter bar, the lever cylinder or the rotary cylinder drives the cutter bar to rotate so as to enable the first blade 71 to move between the adhesive tape clamping and pulling mechanism 42 and the press roller 43, so that the adhesive tape 3 between the adhesive tape clamping and pulling mechanism 42 and the press roller 43 is cut, and a small section of the adhesive tape is always left on the clamping and pulling mechanism 42 so that the press roller 43 can press the part of the adhesive tape. The first cutting mechanism 70 may be further fixed to the first covering and attaching mechanism 40 and moves up and down and horizontally with the first covering and attaching mechanism 40. The second covering and pasting mechanism 80 comprises a covering and pasting module 81, a covering and pasting module height adjusting drive 82 and a covering and pasting module horizontal adjusting drive (not shown), the covering and pasting module height adjusting drive 82 drives the covering and pasting module 81 to reciprocate, the covering and pasting module horizontal adjusting drive drives the covering and pasting module 81 to horizontally reciprocate, and the covering and pasting module height adjusting drive 82 and the covering and pasting module horizontal adjusting drive are both driven by cylinders. The second cutting mechanism 90 comprises two second blades 91 arranged at two sides of the covering module 81, after the adhesive tape 3 at the frame inner side edge 4 and the silk screen edge 5 of the net frame 1 is laid, two end parts of the adhesive tape 3 are fixed on two opposite frames 6 of the net frame 1, one side of the middle part of the adhesive tape 3 is covered on the frame 6, and one side of the middle part of the adhesive tape 3 is suspended above the silk screen 2, at the moment, the second blades 91 arranged at two sides of the covering module 81 rotate to cut two end parts of the adhesive tape 3 suspended above the silk screen 2, namely, the adhesive tape overlapped with the part of the frame inner side edge 4 and the edge of the silk screen 2 of the net frame 1 is cut, so that the adhesive tape suspended at one side above the silk screen 2 is convenient to bend along the frame inner side edge 4 of the frame 1; the covering module height adjusting drive 82 drives the covering module 81 to descend, the side face of the covering module 81 is matched with the inner side edge 4 of the frame body of the screen frame 1, the adhesive tape is bent along the inner side edge 4 of the frame body of the screen frame and is covered and adhered on the inner side edge 4 of the frame body, the covering module horizontal adjusting drive 83 drives the covering module 1 to move horizontally, and the adhesive tape is further covered and adhered on the screen mesh 2 to realize the single-side adhesive tape covering and adhering of the screen frame 1. Because the height of the net frame 1 is basically a fixed value, the height of the second blade 91 can be set to be a fixed value, and the cylinder driving mode is adopted to realize that the horizontal position is adjustable, so that the second blade 91 can cut off the adhesive tape and avoid the adhesive tape. The covering module 1 is basically in a long strip shape, so that the adhesive tape which is not completely covered on the silk screen 2 can be conveniently covered and pasted in a large area, and the covering and pasting effect of the adhesive tape at the part is improved. The lower part of the supporting platform 20 is driven to rotate by the motor 21, so that the net frame 1 is driven to rotate, adhesive tape covering and pasting on the other side edge of the net frame 1 are achieved, adhesive tape covering and pasting of the whole net frame is achieved, covering and pasting effects are good, efficiency is high, and net sealing quality consistency is good.

In a preferred embodiment, a conveying mechanism 100 is further provided on the machine base 10, the conveying mechanism 100 includes two parallel conveying belts 101, the supporting platform 20 is disposed between the two conveying belts 101, the two conveying belts 101 synchronously operate to support and convey the screen frame 1 until the screen frame 1 is conveyed to a proper position on the supporting platform 20, the conveying belts 101 can also be driven by air cylinders to be height-adjustable, so that when the screen frame 1 needs to be conveyed, the two conveying belts 101 are raised to a high position to support the screen frame 1 and convey the screen frame 1 to a proper position above the supporting platform 20, then the two conveying belts 101 are lowered, and the supporting platform 20 supports the screen frame 1. The height of the supporting platform 20 is adjustable by using a cylinder driving method, and specifically, the height can be adjusted by connecting the motor 21 with the cylinder driving method of the supporting platform 20. A guide roller 44 is arranged between the adhesive tape roll fixing roller 41 and the adhesive tape clamping and pulling mechanism 43, and the adhesive tape is guided by the guide roller 44 and then pulled to the adhesive tape clamping and pulling mechanism 43, so that the adhesive tape smoothly passes through the space between the fixed plate 421 and the movable plate 422, and the adhesive tape is prevented from being adhered to the side surface of the fixed plate 421 or the movable plate 422.

In a preferred embodiment, both the overlay module height adjustment drive 82 and the overlay module horizontal adjustment drive are cylinder drives; a screen frame pushing mechanism (not shown) is arranged on one side of the machine base 10, the screen frame pushing mechanism comprises a telescopic pushing plate (not shown) and a screen frame placing table (not shown), the screen frame 1 is placed on the screen frame placing table, and the pushing plate can stretch out and draw back to push the screen frame 1 to the two conveyor belts 101.

Among the above-mentioned technical scheme, place the screen frame 1 on the screen frame places the platform, the push plate extension is with screen frame 1 propelling movement to two conveyer belts 101 on, two conveyer belts 101 synchronous operation bearing and conveying screen frame 1, until convey screen frame 1 to the suitable position of supporting platform 20, then two conveyer belts 101 highly descend, supporting platform 20 holds screen frame 1, four group's clamping ends 31 utilize the flexible cooperation of cylinder with screen frame 1 centre gripping and fixed, accomplish the location and the fixing of screen frame 1. The sticky tape of lapping is fixed in advance on sticky tape roll fixed roll 41, treat that the fixed back that finishes of screen frame 1, movable plate 422 moves towards fixed plate 421 under the effect of adhesive tape clamp drive 423 and presss from both sides the adhesive tape 3 that will release from the sticky tape of lapping tightly, fixed plate 421 and movable plate 422 move towards compression roller 43 under the effect of adhesive tape tractive drive 424 afterwards, make adhesive tape 3 be close to compression roller 43, the cylinder of drive compression roller 43 drives compression roller 43 downward sloping motion, so that compression roller 43 changes to cover adhesive tape 3 on screen frame 1 with pressing, after adhesive tape 3 is covered on screen frame 1 by compression roller 43 pressure, fixed plate 421 are kept away from to movable plate 422, it covers on screen frame 1 to accomplish 3 tip of adhesive tape. And then the first coating and horizontal adjusting mechanism 60 drives the first coating and horizontal moving mechanism 40 to do horizontal movement, and the adhesive tape roll fixing roller 41 rotates along with the movement to release the adhesive tape 3 until the first coating and horizontal adjusting mechanism 60 drives the first coating and horizontal adjusting mechanism 40 to coat the adhesive tape 3 on the edge of the other opposite edge of the screen frame 1. The lever cylinder or the rotary cylinder drives the cutter bar 73 to rotate so as to move the first blade 71 between the adhesive tape clamping and pulling mechanism 42 and the press roller 43, thereby cutting the adhesive tape 3 between the adhesive tape clamping and pulling mechanism 42 and the press roller 43. The four groups of clamping ends 31 release the fixation of the net frame 1 by utilizing the contraction of the air cylinder, the supporting platform 20 rotates, and then the net frame 1 is driven to rotate, so that the adhesive tape at the other side edge of the net frame 1 is covered and pasted, and further the adhesive tape covering and pasting of the whole net frame is realized. After the four sides of the screen frame 1 are completely covered, the second covering and pasting horizontal adjusting motor drives the second lead screw nut mechanism to rotate so as to drive the first covering and pasting mechanism 40 to horizontally reciprocate in the Y-axis direction, so that the adhesive tape is further covered and pasted on the inner side edge 4 of the frame body of the screen frame 1 and the adhesive tape at the edge 5 of the screen. After the adhesive tape 3 at the frame inner side edge 4 and the screen edge 5 of the screen frame 1 are paved, two end parts of the adhesive tape 3 are fixed on two opposite frame bodies 6 of the screen frame 1, one side of the middle part of the adhesive tape 3 is paved on the frame body 6, and one side of the middle part of the adhesive tape 3 is hung above the screen 2, at the moment, the second blades 91 arranged at two sides of the paving module 81 rotate to cut off two end parts of the adhesive tape 3 hung above the screen 2, namely, the frame inner side edge 4 of the screen frame 1 and the part of the screen 2 are lapped with the adhesive tape to cut off, so that the adhesive tape hung at one side of the screen 2 is convenient to bend along the frame inner side edge 4 of the screen frame 1; the covering module height adjusting drive 82 drives the covering module 81 to descend, the side face of the covering module 81 is matched with the inner side edge 4 of the frame body of the screen frame 1, the adhesive tape is bent along the inner side edge 4 of the frame body of the screen frame and is covered and adhered on the inner side edge 4 of the frame body, the covering module horizontal adjusting drive 83 drives the covering module 1 to move horizontally, and the adhesive tape is further covered and adhered on the screen mesh 2 to realize the single-side adhesive tape covering and adhering of the screen frame 1. For the adhesive tape coating and pasting slightly far away from the edge of the screen 2, the second coating horizontal adjusting motor drives the second lead screw nut mechanism to rotate so as to drive the first coating mechanism 40 to further perform horizontal movement in the Y-axis direction, so that the adhesive tape is further coated and pasted on the screen 2, the first coating mechanism 40 is driven by the first coating height adjusting mechanism 50 to descend, the movable plate 422 moves towards the fixed plate 421 under the action of the adhesive tape clamping drive 423 to clamp the adhesive tape 3 released from the rolled adhesive tape, then the fixed plate 421 and the movable plate 422 move towards the press roller 43 under the action of the adhesive tape drawing drive 424, so that the adhesive tape 3 is close to the press roller 43, the air cylinder of the press roller 43 is driven to downwards tilt, the press roller 43 directly presses the adhesive tape on the screen 2, then the movable plate 422 is far away from the fixed plate 421, and the end of the adhesive tape 3 is fixed and coated and pasted on the screen 2. Then, the first coating and horizontal adjusting mechanism 60 drives the first coating and horizontal moving mechanism 40 to move horizontally, and the adhesive tape roll fixing roller 41 rotates to release the adhesive tape 3 in a follow-up manner until the first coating and horizontal adjusting mechanism 60 drives the first coating and horizontal adjusting mechanism 40 to coat the adhesive tape 3 on the edge of the other opposite side of the silk screen 2. The supporting platform 20 rotates, so that the screen frame 1 is driven to rotate to realize the overall adhesive tape covering and pasting of the screen frame, the covering and pasting effect is good, the efficiency is high, and the screen sealing quality is good in consistency. When the screen frame 1 is completely coated, the two conveyor belts 101 rise in height and synchronously rotate reversely to support and convey the screen frame 1 until the screen frame 1 is conveyed to the screen frame placing table.

The embodiment is only for explaining the conception and the implementation of the utility model, and does not limit the same, and the technical solution without substantial change is still in the protection scope under the conception of the utility model.

Claims (10)

1. A tape coating device comprises a machine base and is characterized in that a rotatable supporting platform, a clamping mechanism, a first coating height adjusting mechanism, a first coating horizontal adjusting mechanism, a second coating horizontal adjusting mechanism, a first cutting mechanism, a second coating mechanism and a second cutting mechanism are arranged on the machine base; the supporting platform supports the screen frame and drives the screen frame to rotate, the clamping mechanism comprises a plurality of telescopic clamping ends, and the plurality of telescopic clamping ends are in telescopic fit to clamp and fix the screen frame; the first coating and pasting mechanism is driven by the first coating and pasting height adjusting mechanism to do up-and-down lifting motion, the first coating and pasting horizontal adjusting mechanism drives the first coating and pasting mechanism to do horizontal reciprocating motion in the X-axis direction, and the second coating and pasting horizontal adjusting mechanism drives the first coating and pasting mechanism to do horizontal reciprocating motion in the Y-axis direction; the first coating mechanism comprises a rotatable adhesive tape roll fixing roller, an adhesive tape clamping and drawing mechanism and a rotatable pressing roller, the adhesive tape clamping and drawing mechanism comprises a fixed plate, a movable plate, an adhesive tape clamping drive and an adhesive tape drawing drive, and the height of the pressing roller is adjustable; the coiled adhesive tape is fixed on the adhesive tape roll fixing roller, the movable plate moves towards the fixed plate under the action of adhesive tape clamping driving to clamp the adhesive tape released from the coiled adhesive tape, and the fixed plate and the movable plate can move towards the press roller under the action of adhesive tape traction driving; first decide the mechanism and include first blade, the second decides the mechanism and include the second blade, the second covers pastes the mechanism and pastes the module, covers a module height adjustment drive and covers a module horizontal adjustment drive including covering, covers a module height adjustment drive and drives and cover a module reciprocating lift, covers a module horizontal adjustment drive and covers a module horizontal reciprocating motion.

2. The tape covering device according to claim 1, wherein a conveyor mechanism is further provided on the base, the conveyor mechanism comprises two conveyor belts arranged in parallel, the conveyor belts are capable of supporting and conveying the frame, the conveyor belts are adjustable in height, and the support platform is disposed between the two conveyor belts.

3. The tape application apparatus of claim 1 or 2, wherein the support platform is height adjustable.

4. The tape application apparatus of claim 1 or 2, wherein the first cutting mechanism further comprises a first blade drive, and the first blade drive moves the first blade between the tape clamping and pulling mechanism and the pressure roller.

5. The tape covering device according to claim 4, wherein the first cutting mechanism is fixed to the first covering mechanism, the first covering height adjusting mechanism comprises a first covering height adjusting cylinder, and the first covering height adjusting cylinder drives the first covering mechanism to move up and down; the first coating horizontal adjusting mechanism comprises a first coating horizontal adjusting motor and a first lead screw nut mechanism, the first coating horizontal adjusting motor drives the first lead screw nut mechanism to rotate so as to drive the first coating mechanism to horizontally reciprocate in the X-axis direction, the second coating horizontal adjusting mechanism comprises a second coating horizontal adjusting motor and a second lead screw nut mechanism, and the second coating horizontal adjusting motor drives the second lead screw nut mechanism to rotate so as to drive the first coating mechanism to horizontally reciprocate in the Y-axis direction.

6. The tape covering device according to claim 4, wherein the first blade is driven by a lever cylinder or a rotary cylinder, a knife bar is provided on the lever cylinder or the rotary cylinder, the first blade is fixed on the knife bar, and the lever cylinder or the rotary cylinder drives the knife bar to rotate so that the first blade moves between the adhesive tape clamping and pulling mechanism and the press roller, thereby cutting the adhesive tape between the adhesive tape clamping and pulling mechanism and the press roller; and a guide roller is arranged between the adhesive tape roll fixing roller and the adhesive tape clamping and drawing mechanism.

7. The tape application apparatus of claim 1 or 2, wherein the second blade is rotatable and horizontally adjustable.

8. The tape application apparatus of claim 7, wherein two of the second blades are provided, one on each side of the application module.

9. The tape application apparatus of claim 1 or 2, wherein the applicator module is substantially elongated.

10. The tape covering device according to claim 3, wherein the press roller is driven by an air cylinder to achieve height adjustment, and the air cylinder driving the press roller drives the press roller to tilt downward, and the height adjustment of the conveyor belt, the height adjustment of the support platform, the expansion and contraction of the clamping end, the clamping drive of the adhesive tape, the traction drive of the adhesive tape, the height adjustment drive of the covering module and the horizontal adjustment drive of the covering module are all driven by air cylinders; a screen frame pushing mechanism is arranged on one side of the machine base and comprises a telescopic pushing plate and a screen frame placing table.

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