CN114273142A

CN114273142A - Gluing device for production of electronic product protective film

Info

Publication number: CN114273142A
Application number: CN202111502309.7A
Authority: CN
Inventors: 王翔
Original assignee: Suzhou Xinshenglong Electronic Technology Co ltd
Current assignee: Suzhou Xinshenglong Electronic Technology Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-04-05

Abstract

The invention discloses a gluing device for producing a protective film of an electronic product, which comprises a support frame, wherein a support column is fixedly connected to the lower end face of the support frame, a driving motor is fixedly connected to the left part of the lower end face of the support frame, the output end of the driving motor is rotatably connected with a first conveying roller through a transmission device, one end of the first conveying roller is meshed with a second gear through the first gear, one side of the second gear is fixedly connected with a second conveying roller, the left part of the upper end face of the support frame is provided with a cleaning mechanism, the middle part of the upper end face of the support frame is provided with an even gluing mechanism, the right end of the support frame is fixedly connected with a blanking box, and the inner cavity of the blanking box is provided with a blanking mechanism. This gluing device is used in production of electronic product protection film has solved current gluing device and has lacked cleaning device, influences follow-up rubber coating process and influences the problem of rubberizing efficiency through artifical unloading.

Description

Gluing device for production of electronic product protective film

Technical Field

The invention relates to the technical field of gluing devices, in particular to a gluing device for producing a protective film of an electronic product.

Background

When the electronic product is used, the screen of the electronic product is easily scratched, scratches appear, and the display effect and the attractiveness of the electronic screen are seriously affected. Therefore, the electronic product protective film is widely applied to electronic products and plays a good role in protecting the screens of the electronic products. But the device that has now generally lacks cleaning device, and adnexed debris on the glue-coated face of inconvenient clearance influences going on of follow-up rubber coating, and the back is accomplished in the rubber coating in addition, generally carries out the unloading through the manual work, very influences rubber coating efficiency. In view of this, we propose a gluing device for producing protective films of electronic products.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a gluing device for producing a protective film of an electronic product, which solves the problems that the prior gluing device lacks a cleaning device, influences the subsequent gluing process and influences the gluing efficiency through manual blanking.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a rubberizing device is used in production of electronic product protection film, includes the support frame, terminal surface fixedly connected with support column under the support frame, terminal surface left part fixedly connected with driving motor under the support frame, the driving motor output rotates through transmission and is connected with first transfer roller, first transfer roller one end has the second gear through first gear engagement, second gear one side fixedly connected with second transfer roller, support frame up end left part is provided with clearance mechanism, support frame up end middle part is provided with even rubber coating mechanism, support frame right-hand member fixedly connected with unloading case, the unloading incasement chamber is provided with unloading mechanism.

Preferably, the terminal surface is provided with the observation window before the workbin, workbin one side fixedly connected with control module, support frame up end right part is rotated and is connected with the auxiliary roller, terminal surface and support column fixed connection under the workbin.

Preferably, clearance mechanism is including clearance piece, fixed plate, separation groove, collection ash steamer tray, clearance piece both ends are through connecting block fixedly connected with fixed plate, the fixed plate up end has collection ash steamer tray through separating from the groove intercommunication, collection ash steamer tray both sides and support frame sliding connection, clearance piece both sides and support frame fixed connection.

Preferably, even rubber coating mechanism includes the backup pad, deposits gluey case, gluing pump, bellows, scribbles board, scraper blade, threaded rod, carousel, instruction piece, scale mark, the gluey case is deposited to backup pad up end fixedly connected with, it has the gluing pump through the connecting pipe intercommunication to deposit gluey case one side, the gluing pump output end has the board of scribbling through the bellows intercommunication, scribble board both sides threaded connection and have the threaded rod, the threaded rod up end passes through transmission fixedly connected with carousel, scraper blade one end has the scale mark through instructing piece sliding connection.

Preferably, one side of the coating plate is fixedly connected with a scraper through a connecting rod, heating devices are arranged in the coating plate and an inner cavity of the scraper, the lower end face of the supporting plate is fixedly connected with the supporting frame through a connecting plate, scale marks are arranged on one side of the supporting plate, two ends of the threaded rod are rotatably connected with the supporting plate, and the lower end face of the gluing pump is fixedly connected with the supporting plate.

Preferably, unloading mechanism package arc, first rack, first drive gear, second rack, transmission section of thick bamboo, first spring, sliding plate, limiting plate, winding section of thick bamboo, cutting knife, torsional spring, layer board, second spring, cross piece, arc one side has first drive gear through first rack meshing, first drive gear has the second rack through meshing second drive gear sliding connection, second rack one side is connected with the transmission section of thick bamboo through the connecting plate rotation.

Preferably, the upper part of the outer surface of the transmission cylinder is slidably connected with a sliding plate through a first spring, the upper part of the outer surface of the sliding plate is rotatably connected with a limiting plate through a torsional spring, one side of an inner cavity of the transmission cylinder is slidably connected with a cross block through a cross groove, one end of the cross block is rotatably connected with the blanking box, the other side of the transmission cylinder is slidably connected with a winding cylinder, the lower part of the outer surface of the transmission cylinder is slidably connected with a supporting plate, and the lower end face of the supporting plate is fixedly connected with the blanking box through a second spring.

Preferably, the terminal surface passes through the torsional spring and is connected with the feed box rotation under the second drive gear, cross one end is passed through transmission and is connected with the second transfer roller rotation, arc surface and feed box sliding connection, feed box inner chamber one side fixedly connected with cutting knife, first rack and second rack one side and feed box sliding connection, the terminal surface rotates through pivot and feed box under the first drive gear and is connected, winding section of thick bamboo surface and feed box sliding connection, limiting plate one side and feed box sliding connection.

Advantageous effects

The invention provides a gluing device for producing a protective film of an electronic product. The method has the following beneficial effects:

(1) the gluing device for producing the protective film of the electronic product is fixedly connected with a support frame through a connecting plate by the lower end surface of a support plate, a driving motor is started to drive a first conveying roller to rotate through a transmission device during working, the first conveying roller is meshed with a second gear through a first gear to drive a second conveying roller to rotate, then a protective film is placed between the first conveying roller and the second conveying roller, the protective film is driven to advance through the operation of the first conveying roller and the second conveying roller, after the protective film slides onto a fixed plate, the surface to be glued with the protective film can be cleaned through a cleaning block, the cleaned sundries can move towards two sides along the cleaning block and then fall into a dust collecting drawer from a separation groove, the cleaning of the surface to be glued with the protective film is completed, when the protective film moves below the support plate, a gluing pump is started to guide glue onto the coating plate through a corrugated pipe, and then fall on the protection film, strike off through the glue of scraper blade on to the protection film after that, make its more even that distributes, simultaneously because scribble the board and all be provided with heating device with the scraper blade inner chamber, so can slow down the rate of condensing of glue, can also drive the threaded rod through rotating the carousel and rotate in addition, and then the threaded rod drives the scraper blade and shifts up or descend to adjust the thickness of glue on the protection film.

(2) The gluing device for producing the protective film of the electronic product is rotationally connected with a second conveying roller through a transmission device through one end of a cross block, after gluing is finished, the protective film is attached to a winding cylinder under the action of an arc-shaped plate, then when a first conveying roller rotates, the cross block can be driven to rotate through the transmission device, the cross block drives the winding cylinder to rotate through the transmission cylinder, and further winds the protective film, the arc-shaped plate can be extruded to move backwards along with the increase of the winding of the protective film on the outer surface of the winding cylinder, the arc-shaped plate drives a first transmission gear to rotate through a first rack, the first transmission gear drives a second rack to move through meshing a second transmission gear, and further the second rack drives the transmission cylinder to move backwards, so that the winding cylinder falls off from a blanking box, in the falling process, the protective film is broken by a contact cutting knife, and further blanking of the protective film is finished, and in the moving process of the transmission cylinder, can drive the limiting plate and get into the feed box inner chamber, after the protection film drops, second drive gear automatic re-setting under the effect of torsional spring, and then drive the driving cylinder and reset, but because limiting plate and feed box joint each other this moment, make the sliding plate can not reset, and then the winding cylinder falls into the driving cylinder, under the effect of gravity, driving cylinder downstream is a bit, make the limiting plate break away from the feed box inner chamber, make the sliding plate reset again, after the protection film cutting, protection film one end can face upward automatically, under the effect of arc, adhere to new winding cylinder, twine again.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic view of a half-section structure of the present invention;

FIG. 5 is an enlarged view of the area B in FIG. 4;

FIG. 6 is an enlarged view of the area C in FIG. 4;

FIG. 7 is a schematic view of the structure of the blanking box of the present invention;

fig. 8 is an enlarged schematic view of a region D in fig. 7.

In the figure: 1. a support frame; 2. a support pillar; 3. a drive motor; 4. a transmission device; 5. a first transfer roller; 6. a first gear; 7. a second gear; 8. a second transfer roller; 9. a cleaning mechanism; 91. cleaning the block; 92. a fixing plate; 93. a disengagement groove; 94. a dust collection drawer; 10. a uniform glue coating mechanism; 101. a support plate; 102. a glue storage box; 103. a glue coating pump; 104. a bellows; 105. coating a plate; 106. a squeegee; 107. a threaded rod; 108. a turntable; 109. an indication block; 1010. scale lines; 11. a blanking box; 12. a control module; 13. an observation window; 14. a blanking mechanism; 141. an arc-shaped plate; 142. a first rack; 143. a first drive gear; 144. a second transmission gear; 145. a second rack; 146. a transmission cylinder; 147. a first spring; 148. a sliding plate; 149. a limiting plate; 1410. a winding drum; 1411. a cutting knife; 1412. a torsion spring; 1413. a support plate; 1414. a second spring; 1415. a cross block; 15. and (5) auxiliary rollers.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution:

the first embodiment is as follows: a gluing device for producing electronic product protective films comprises a support frame 1, a support column 2 is fixedly connected to the lower end face of the support frame 1, a driving motor 3 is fixedly connected to the left portion of the lower end face of the support frame 1, the output end of the driving motor 3 is rotatably connected with a first conveying roller 5 through a transmission device 4, one end of the first conveying roller 5 is meshed with a second gear 7 through a first gear 6, one side of the second gear 7 is fixedly connected with a second conveying roller 8, the left portion of the upper end face of the support frame 1 is provided with a cleaning mechanism 9, the middle portion of the upper end face of the support frame 1 is provided with an even gluing mechanism 10, the right end face of the support frame 1 is fixedly connected with a blanking box 11, a blanking mechanism 14 is arranged in the inner cavity of the blanking box 11, an observation window 13 is arranged on the front end face of the blanking box 11, a control module 12 is fixedly connected to one side of the blanking box 11, an auxiliary roller 15 is rotatably connected to the right portion of the upper end face of the support frame 1, and the lower end face of the blanking box 11 is fixedly connected with the support column 2, the cleaning mechanism 9 comprises a cleaning block 91, a fixing plate 92, a separation groove 93 and a dust collection drawer 94, wherein the fixing plate 92 is fixedly connected with two ends of the cleaning block 91 through connecting blocks, the upper end surface of the fixing plate 92 is communicated with the dust collection drawer 94 through the separation groove 93, two sides of the dust collection drawer 94 are slidably connected with the support frame 1, two sides of the cleaning block 91 are fixedly connected with the support frame 1, the uniform gluing mechanism 10 comprises a support plate 101, a glue storage box 102, a gluing pump 103, a corrugated pipe 104, a coating plate 105, a scraping plate 106, a threaded rod 107, a rotary table 108, an indication block 109 and scale marks 1010, the upper end surface of the support plate 101 is fixedly connected with the glue storage box 102, one side of the glue storage box 102 is communicated with the gluing pump 103 through a connecting pipe, the output end of the gluing pump 103 is communicated with the coating plate 105 through the corrugated pipe 104, two sides of the coating plate 105 are in threaded connection with the threaded rod 107, the upper end surface of the threaded rod 107 is fixedly connected with the rotary table 108 through a transmission device 4, one end of the scraping plate 106 is slidably connected with the scale marks 1010 through the indication block 109, scribble board 105 one side and pass through connecting rod fixedly connected with scraper blade 106, scribble board 105 and scraper blade 106 inner chamber and all be provided with heating device, the terminal surface passes through connecting plate and support frame 1 fixed connection under the backup pad 101, backup pad 101 one side is provided with the scale mark, threaded rod 107 both ends are rotated with backup pad 101 and are connected, terminal surface and backup pad 101 fixed connection under the rubber coating pump 103. Because the lower end face of the supporting plate 101 is fixedly connected with the supporting frame 1 through the connecting plate, when the protective film cleaning device works, the driving motor 3 is started to drive the first conveying roller 5 to rotate through the transmission device 4, the first conveying roller 5 is meshed with the second gear 7 through the first gear 6 to drive the second conveying roller 8 to rotate, then the protective film is placed between the first conveying roller 5 and the second conveying roller 8, the protective film is driven to advance through the operation of the first conveying roller 5 and the second conveying roller 8, after the protective film slides onto the fixing plate 92, the surface of the protective film to be coated with glue can be cleaned through the cleaning block 91, the cleaned sundries can move towards two sides along the cleaning block 91 and then fall into the dust collecting drawer 94 from the separating groove 93, the cleaning of the surface of the protective film to be coated with glue is completed, when the protective film moves below the supporting plate 101, the glue pump 103 is started to guide the glue onto the coating plate 105 through the corrugated pipe 104, and then fall on the protection film, strike off the glue on the protection film through the scraper blade 106 next, make its more even that distribute, simultaneously because scribble board 105 and scraper blade 106 inner chamber all are provided with heating device, so can slow down the condensation rate of glue, can also drive threaded rod 107 through rotating carousel 108 and rotate in addition, and then threaded rod 107 drives scraper blade 106 and shifts up or descend to adjust the thickness of glue on the protection film.

Second embodiment the difference between the present embodiment and the first embodiment is that the blanking mechanism 14 includes an arc plate 141, a first rack 142, a first transmission gear 143, a second transmission gear 144, a second rack 145, a transmission cylinder 146, a first spring 147, a sliding plate 148, a limit plate 149, a winding cylinder 1410, a cutting knife 1411, a torsion spring 1412, a support plate 1413, a second spring 1414 and a cross 1415, the first transmission gear 143 is engaged with one side of the arc plate 141 through the first rack 142, the second rack 145 is slidably connected with the first transmission gear 143 through engaging the second transmission gear 144, the transmission cylinder 146 is rotatably connected with one side of the second rack 145 through a connection plate, the sliding plate 148 is slidably connected with the upper portion of the outer surface of the transmission cylinder 146 through the first spring 147, the limit plate 149 is rotatably connected with the upper portion of the outer surface of the sliding plate 148 through the torsion spring 1412, the cross 1415 is slidably connected with one side of the inner cavity of the transmission cylinder 146 through a cross groove, one end of a cross block 1415 is rotatably connected with the blanking box 11, the other side of the transmission cylinder 146 is slidably connected with a winding cylinder 1410, the lower portion of the outer surface of the transmission cylinder 146 is slidably connected with a supporting plate 1413, the lower end surface of the supporting plate 1413 is fixedly connected with the blanking box 11 through a second spring 1414, the lower end surface of the second transmission gear 144 is rotatably connected with the blanking box 11 through a torsion spring 1412, one end of the cross block 1415 is rotatably connected with the second transmission roller 8 through a transmission device 4, the outer surface of the arc-shaped plate 141 is slidably connected with the blanking box 11, one side of the inner cavity of the blanking box 11 is fixedly connected with a cutting knife 1411, one sides of the first rack 142 and the second rack 145 are slidably connected with the blanking box 11, the lower end surface of the first transmission gear 143 is rotatably connected with the blanking box 11 through a rotating shaft, the outer surface of the winding cylinder 1410 is slidably connected with the blanking box 11, and one side of the limiting plate 149 is slidably connected with the blanking box 11. Because one end of the cross block 1415 is rotatably connected with the second conveying roller 8 through the transmission device 4, after the gluing is finished, the protective film is attached to the winding cylinder 1410 under the action of the arc plate 141, then when the first conveying roller 5 rotates, the cross block 1415 can be driven by the transmission device 4 to rotate, the cross block 1415 drives the winding cylinder 1410 to rotate through the transmission cylinder 146, and further winds the protective film, the arc plate 141 moves backwards along with the increase of the winding of the protective film on the outer surface of the winding cylinder 1410, the arc plate 141 drives the first transmission gear 143 to rotate through the first rack 142, the first transmission gear 143 drives the second rack 145 to move by meshing the second transmission gear 144, and then the second rack 145 drives the transmission cylinder 146 to move backwards, so that the winding cylinder 1410 falls off from the blanking box 11, in the process of falling off the cutting knife, the protective film contact 1411 is broken, and further the blanking of the protective film is finished, the transmission cylinder 146 is at the removal in-process, can drive the limiting plate 149 and get into the workbin 11 inner chamber, after the protection film drops off, second drive gear 144 automatic re-setting under torsional spring 1412's effect, and then drive transmission cylinder 146 and reset, but because limiting plate 149 and workbin 11 joint each other this moment, make the sliding plate 148 can not reset, and then the winding cylinder 1410 falls into transmission cylinder 146, under the effect of gravity, transmission cylinder 146 moves down a bit, make the limiting plate 149 break away from workbin 11 inner chamber, make the sliding plate 148 reset again, after the protection film cutting, protection film one end can pitch upward automatically, under the effect of arc 141, adhere to new winding cylinder 1410, twine again.

When the protective film cleaning machine works, the driving motor 3 is started firstly, the first conveying roller 5 is driven to rotate through the transmission device 4, the first conveying roller 5 is meshed with the second gear 7 through the first gear 6, the second conveying roller 8 is driven to rotate, then the protective film is placed between the first conveying roller 5 and the second conveying roller 8, further, the protective film is driven to advance through the operation of the first conveying roller 5 and the second conveying roller 8, after the protective film slides onto the fixing plate 92, the surface to be coated with the protective film can be cleaned through the cleaning block 91, cleaned sundries can move towards two sides along the cleaning block 91, further fall into the dust collecting drawer 94 from the separating groove 93, further, the cleaning of the surface to be coated with the protective film is completed, when the protective film moves below the supporting plate 101, the coating pump 103 is started, glue is guided onto the coating plate 105 through the corrugated pipe 104 and then falls onto the protective film, and then the glue on the protective film is scraped by the scraper 106, the distribution of the glue is more uniform, meanwhile, because the coating plate 105 and the inner cavity of the scraper 106 are both provided with heating devices, the condensation rate of the glue can be slowed down, in addition, the rotary disc 108 can be rotated to drive the threaded rod 107 to rotate, and then the threaded rod 107 drives the scraper 106 to move upwards or downwards, so as to adjust the thickness of the glue on the protective film, because one end of the cross block 1415 is rotatably connected with the second conveying roller 8 through the transmission device 4, after the glue coating is completed, the protective film can be attached to the winding cylinder 1410 under the action of the arc plate 141, then the first conveying roller 5 can drive the cross block 1415 to rotate through the transmission device 4, the cross block 1415 drives the winding cylinder 1410 to rotate through the transmission cylinder 146, and further winds the protective film, along with the increase of the winding of the protective film on the outer surface of the winding cylinder 1410, the arc plate 141 can be extruded to move backwards, and the arc plate 141 drives the first transmission gear 143 to rotate through the first rack 142, the first transmission gear 143 drives the second rack 145 to move by engaging the second transmission gear 144, and then the second rack 145 drives the transmission cylinder 146 to move backwards, so that the winding cylinder 1410 falls off from the blanking box 11, in the falling process, the protective film contact cutting knife 1411 is broken, and then the blanking of the protective film is completed, the transmission cylinder 146 drives the limit plate 149 to enter the inner cavity of the blanking box 11 in the moving process, when the protective film falls off, the second transmission gear 144 automatically resets under the action of the torsion spring 1412, and then the transmission cylinder 146 resets, but because the limit plate 149 and the blanking box 11 are clamped with each other at the moment, the sliding plate 148 cannot reset, and then the winding cylinder 1410 falls into the transmission cylinder 146, under the action of gravity, the transmission cylinder 146 moves downwards a little, so that the limit plate 149 is separated from the inner cavity of the blanking box 11, so that the sliding plate 148 resets again, after the protective film is cut, one end of the protective film can automatically tilt up, under the action of the arc plate 141, a new winding drum 1410 is attached and rewound.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Claims

1. The utility model provides a rubberizing device is used in production of electronic product protection film, includes support frame (1), its characterized in that: terminal surface fixedly connected with support column (2) under support frame (1), terminal surface left part fixedly connected with driving motor (3) under support frame (1), driving motor (3) output passes through transmission (4) and rotates and is connected with first transfer roller (5), first transfer roller (5) one end has second gear (7) through first gear (6) meshing, second gear (7) one side fixedly connected with second transfer roller (8), support frame (1) up end left part is provided with clearance mechanism (9), support frame (1) up end middle part is provided with even rubber coating mechanism (10), support frame (1) right-hand member fixedly connected with unloading case (11), unloading case (11) inner chamber is provided with unloading mechanism (14).

2. The gluing device for producing the protective film of the electronic product, according to claim 1, wherein: terminal surface is provided with observation window (13) before workbin (11) down, workbin (11) one side fixedly connected with control module (12) down, support frame (1) up end right part is rotated and is connected with auxiliary roller (15), terminal surface and support column (2) fixed connection under workbin (11) down.

3. The gluing device for producing the protective film of the electronic product as claimed in claim 2, wherein: clearance mechanism (9) are including clearance piece (91), fixed plate (92), separation groove (93), collection ash steamer tray (94), clearance piece (91) both ends are through connecting block fixedly connected with fixed plate (92), fixed plate (92) up end has collection ash steamer tray (94) through separation groove (93) intercommunication, and collection ash steamer tray (94) both sides and support frame (1) sliding connection, clearance piece (91) both sides and support frame (1) fixed connection.

4. The gluing device for producing the protective film of the electronic product, according to claim 3, wherein: even rubber coating mechanism (10) include backup pad (101), deposit gluey case (102), rubber coating pump (103), bellows (104), scribble board (105), scraper blade (106), threaded rod (107), carousel (108), instruction piece (109), scale mark (1010), backup pad (101) up end fixedly connected with deposits gluey case (102), it has rubber coating pump (103) through the connecting pipe intercommunication to deposit gluey case (102) one side, rubber coating pump (103) output has scribbled board (105) through bellows (104) intercommunication, scribble board (105) both sides threaded connection has threaded rod (107), threaded rod (107) up end passes through transmission (4) fixedly connected with carousel (108), scraper blade (106) one end has scale mark (1010) through instructing piece (109) sliding connection.

5. The gluing device for producing the protective film of the electronic product as claimed in claim 4, wherein: scribble board (105) one side and pass through connecting rod fixedly connected with scraper blade (106), it all is provided with heating device to scribble board (105) and scraper blade (106) inner chamber, terminal surface passes through connecting plate and support frame (1) fixed connection under backup pad (101), backup pad (101) one side is provided with the scale mark, threaded rod (107) both ends are rotated with backup pad (101) and are connected, terminal surface and backup pad (101) fixed connection under rubberizing pump (103).

6. The gluing device for producing the protective film of the electronic product as claimed in claim 5, wherein: the blanking mechanism (14) comprises an arc-shaped plate (141), a first rack (142), a first transmission gear (143), a second transmission gear (144), a second rack (145), a transmission cylinder (146), a first spring (147), a sliding plate (148), a limiting plate (149), a winding cylinder (1410), a cutting knife (1411), a torsion spring (1412), a supporting plate (1413), a second spring (1414) and a cross block (1415), wherein the first transmission gear (143) is meshed with one side of the arc-shaped plate (141) through the first rack (142), the first transmission gear (143) is connected with the second rack (145) in a sliding mode through the meshing of the second transmission gear (144), and one side of the second rack (145) is connected with the transmission cylinder (146) in a rotating mode through the connecting plate.

7. The gluing device for producing the protective film of the electronic product as claimed in claim 6, wherein: the upper portion of the outer surface of the transmission cylinder (146) is connected with a sliding plate (148) through a first spring (147) in a sliding mode, the upper portion of the outer surface of the sliding plate (148) is connected with a limiting plate (149) through a torsion spring (1412) in a rotating mode, one side of an inner cavity of the transmission cylinder (146) is connected with a cross block (1415) through a cross groove in a sliding mode, one end of the cross block (1415) is connected with the lower material box (11) in a rotating mode, the other side of the transmission cylinder (146) is connected with a winding cylinder (1410) in a sliding mode, the lower portion of the outer surface of the transmission cylinder (146) is connected with a supporting plate (1413) in a sliding mode, and the lower end face of the supporting plate (1413) is fixedly connected with the lower material box (11) through a second spring (1414).

8. The gluing device for producing the protective film of the electronic product as claimed in claim 7, wherein: the terminal surface passes through torsional spring (1412) and is connected with feed box (11) rotation under second drive gear (144), cross piece (1415) one end is passed through transmission (4) and is rotated with second transfer roller (8) and be connected, arc (141) surface and feed box (11) sliding connection down, feed box (11) inner chamber one side fixedly connected with cutting knife (1411), first rack (142) and second rack (145) one side and feed box (11) sliding connection down, the terminal surface rotates through pivot and feed box (11) to be connected under first drive gear (143), winding cylinder (1410) surface and feed box (11) sliding connection down, limiting plate (149) one side and feed box (11) sliding connection down.