CN212826941U - Automatic film feeding device - Google Patents

Abstract

The utility model provides a film automatic feed device, it includes mounting plate, the last fixed mounting panel that is equipped with of mounting plate, the fixed vacuum adsorption second tension plate that is equipped with on the mounting plate, the rotatory bed charge feed roller that is equipped with of vacuum adsorption second tension plate front end, the rotatory swing bracket that is equipped with of mounting plate front end, the fixed vacuum adsorption first tension plate that is equipped with on the swing bracket, the rotation of swing bracket's front end is equipped with bed charge feed bracing piece, swing bracket is rotatory again with the mounting plate junction and is equipped with bed charge feed roller. When the automatic multilayer film composite processing technology is provided, automatic feeding can be realized, and the film automatic feeding with vacuum adsorption smoothness is realized. It can be widely applied to the composite processing technology of multilayer films.

Description

Automatic film feeding device

Technical Field

The utility model relates to a film processing field especially relates to a film automatic feed device.

Background

It is known that industrial products such as modern electronic products are applied to various films more and more, and some films need to be laminated by two or even multiple layers, and the laminated film needs to be subjected to high-precision die cutting for use.

The existing composite processing of two layers of films or multiple layers of films is mainly finished by semi-automatic equipment, some two layers of films are processed by pure hands, and the semi-automatic die cutting is realized by hands for precise die cutting, so that the production efficiency is low, the processing quality is general, and the high-precision composite films are difficult to process; at the same time, new requirements are put on the automatic feeding of the films which need to be compounded together.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the combined machining to current two-layer film or multilayer film mainly relies on semi-automatic equipment to accomplish, and two-layer film relies on pure manual processing a bit, also relies on manual semi-automatic cross cutting of realization to accurate cross cutting, and production efficiency is low, and processingquality is general, hardly processes out the technical problem of the composite film of high accuracy, provides an automatic multilayer film combined machining technology, can realize automatic feed, has vacuum adsorption and levels smooth film automatic feed device.

Therefore, the technical scheme of the utility model, a film automatic feed device, including mounting plate, the last fixed mounting panel that is equipped with of mounting plate, the fixed second tension plate that is equipped with of mounting plate, the rotatory bed charge feed roller that is equipped with of vacuum adsorption second tension plate front end, the rotatory swing bracket that is equipped with of mounting plate front end, the fixed first tension plate that is equipped with vacuum adsorption on the swing bracket, the rotation of swing bracket's front end is equipped with bed charge feed bracing piece, swing bracket is rotatory again with the mounting plate junction and is equipped with bed charge feed roller.

Preferably, the front end of the vacuum adsorption second tension plate is rotatably provided with an adjusting handle, and a rotating shaft of the adjusting handle is fixedly provided with a backing material pressing plate.

Preferably, the tail end of the vacuum adsorption second tension plate is provided with a backing material width adjusting positioning column in a sliding mode.

Preferably, a pair of sliding sleeves are respectively arranged on the backing material feeding support rod and the backing material feeding roller in a sliding manner.

Preferably, the front end of the vacuum adsorption first tension plate is positioned on the swing bracket and is rotatably provided with an adjusting handle, and a backing material pressing plate is fixedly arranged on a rotating shaft of the adjusting handle.

The utility model has the advantages that when the film feeding device works, the bottom material film passes through the swing bracket after being supported by the backing material feeding supporting rod and then enters the film laminating device through the bracket plate after bypassing two backing material feeding rollers, vacuum adsorption can be realized through the vacuum adsorption second tension plate and the vacuum adsorption first tension plate when the bottom material film is fed, so that the spreadability of the bottom material film during feeding can be ensured and certain tension can be ensured, when the film laminating device is fed, the film laminating process with high quality is formed with the upper composite material film, and because the swing bracket can rotate around the bracket plate, the whole swing bracket can form whole tension on the bottom material film, the backing material pressing plate arranged on the adjusting handle can also realize local tension on the bottom material film, and can also ensure that the vacuum adsorption second tension plate at the front end can better realize the adsorption effect when the bottom material film enters the bracket plate, the flatness of the bottom material film is ensured.

The swing support can rotate to adjust the inclination angle, so that the transmission angle can be adjusted according to the properties of different tensions of the bottom material film, the friction force during input of the bottom material film is adjusted, the proper input tension is realized, and the composite quality of the bottom material film and other material films is ensured; the device can realize the automatic feeding function of leveling and smoothing vacuum adsorption.

Drawings

Fig. 1 is a schematic three-dimensional structure of an embodiment of the present invention;

fig. 2 is a schematic view of another directional three-dimensional structure of an embodiment of the present invention;

FIG. 3 is a front view of FIG. 1;

FIG. 4 is a top view of FIG. 1;

fig. 5 is a schematic three-dimensional structure diagram of the die cutting device of the present invention;

fig. 6 is a schematic view of another direction of the die cutting device according to the present invention;

fig. 7 is a schematic view of the three-dimensional structure of the die cutting device according to the present invention in another direction;

fig. 8 is a front view of the die cutting device of the present invention;

fig. 9 is a cross-sectional view of the die cutting apparatus of the present invention;

fig. 10 is a further cross-sectional view of the die cutting apparatus of the present invention;

fig. 11 is a further cross-sectional view of the die cutting apparatus of the present invention;

fig. 12 is a further cross-sectional view of the die cutting apparatus of the present invention;

fig. 13 is a top view of the die cutting apparatus of the present invention;

FIG. 14 is a schematic three-dimensional structure of the multi-channel thin film laminating apparatus of the present invention;

FIG. 15 is a schematic view of another direction of the multi-channel thin film laminating apparatus of the present invention;

FIG. 16 is a front view of FIG. 14;

FIG. 17 is a rear view of FIG. 14;

FIG. 18 is a cross-sectional view of FIG. 14;

FIG. 19 is a side view of FIG. 18;

FIG. 20 is a top view of FIG. 18;

fig. 21 is a three-dimensional schematic view of the film covering device of the present invention;

FIG. 22 is a cross-sectional view of FIG. 21;

FIG. 23 is a side view of FIG. 21;

FIG. 24 is a cross-sectional view of FIG. 21;

fig. 25 is a schematic three-dimensional view of the film feeding device of the present invention;

FIG. 26 is a side view of FIG. 25;

fig. 27 is a top view of fig. 25.

The symbols in the drawings illustrate that:

1. a die cutting device; 101. a base; 102. a lower die holder; 103. a spring; 104. a lower template; 105. a discharge port; 106. an upper die holder; 107. mounting a template; 108. a feeding port; 109. locking the handle; 110. an eccentric main shaft; 111. the lower die base is hinged with an eccentric shaft; 112. a connecting rod; 113. connecting the upright posts; 114. a finished product outlet; 115. the lower die base is hinged with an eccentric shaft height adjusting worm; 116. a drive gear; 117. an eccentric main shaft gear; 118. a height adjustment worm gear; 119. a base plate; 120. centralized lubrication oil way; 2. a film covering device; 201. a support; 202. a fixed block; 203. a lower guide roller; 204. an upper guide roller; 205. a spacer sleeve; 206. a material passing groove; 207. a vertical plate; 208. coating a film and gluing a rubber roller; 209. a film covering lower roller; 210. a compression spring; 211. a pressure adjustment handle; 212. a deviation rectifying pull rod; 213. a deviation rectifying knob seat; 214. a material pressing channel; 215. a film-covered gluing roller clutch handle; 216. a clutch groove; 217. coating a film on a lower roller shaft; 218. a support slide block; 219. a chute; 220. a clutch lever; 221. a deviation rectifying knob; 3. a multi-channel film laminating device; 301. a support; 302. a lower tension roller; 303. a retainer ring; 304. a transition tension roller; 305. an upper tension roller; 306. a transition roll; 307. a fixed shaft; 308. attaching a material pressing fixing shaft; 309. rotating the handle; 310. a detection switch; 311. detecting a switch trigger; 312. intermediate material film; 313. coating a material film; 314. a film carding flat plate; 315. a bottom layer material film; 316. an upper composite film; 317. a composite film; 318. fitting a stroke support; 319. a spring; 4. a film feeding device; 401. a bed charge feeding support bar; 402. vacuum adsorbing the first tension plate; 403. a bed charge feed roll; 404. vacuum adsorbing a second tension plate; 405. mounting a bottom plate; 406. pressing a bed charge; 407. an adjusting handle; 408. a bottom material width adjusting positioning column; 409. a mounting plate; 410. a swing bracket; 411. a rotating shaft; 412. a sliding sleeve; 5. a fuselage assembly; 6. a waste take-up assembly; 7. hanging a material component; 8. hang material recovery unit.

Detailed Description

The present invention will be further described with reference to the following examples.

Fig. 1-fig. 27 are the utility model relates to an automatic tectorial membrane cutting device's embodiment, it includes fuselage subassembly 5, fuselage subassembly 5 one side is equipped with film feed arrangement 4, film feed arrangement 4 is adjacent to be equipped with multichannel film laminating device 3, 3 adjacent tectorial membrane devices 2 that are equipped with of multichannel film laminating device, 2 adjacent cutting device 1 that are equipped with in tectorial membrane device one side, 1 one side of cutting device is equipped with waste material rolling subassembly 6, 4 upper portions of film feed arrangement are equipped with string material subassembly 7, 6 upper portions of waste material rolling subassembly are equipped with string material recovery unit 8.

Fig. 8-13 are schematic structural diagrams of the die-cutting device 1, where the die-cutting device 1 includes a bottom plate 119, four connecting columns 119 are fixedly disposed on the bottom plate 119, a lower die base 102 is slidably disposed on the connecting columns 119, four springs 103 are respectively disposed on the four connecting columns 119 and located at the bottom of the lower die base 102, an upper die base 106 is disposed at the upper portion of the lower die base 102, a gap is disposed between the lower die base 102 and the upper die base 106, a lower die plate 104 is slidably disposed at the upper portion of the lower die base 102, an upper die plate 107 is slidably disposed at the bottom of the upper die base 106, a material inlet 108 is disposed at one side of the upper die; the bottom of the bottom plate 119 is fixedly provided with a base 101, the base 101 is transversely provided with an eccentric main shaft 110 in a penetrating and rotating manner, an eccentric main shaft gear 117 is fixedly arranged on the eccentric main shaft 110, a driving gear 116 is rotatably arranged on the base 101, the driving gear 116 is meshed with the eccentric main shaft gear 117, and a connecting rod 112 is rotatably arranged on the eccentric main shaft 110; the upper part of the connecting rod 112 is rotatably provided with a lower die base hinged eccentric shaft 111, and the lower die base hinged eccentric shaft 111 is rotatably connected with the lower die base 102; a height adjusting worm wheel 118 is fixedly arranged on the lower die holder hinge eccentric shaft 111, and a lower die holder hinge eccentric shaft height adjusting worm 115 is rotatably arranged on the height adjusting worm wheel 118; the rotation center line of the height adjusting worm gear 118 is different from the rotation center line of the lower die holder hinge eccentric shaft 111, and the rotation height adjusting worm gear 118 can adjust the eccentric distance between the lower die holder hinge eccentric shaft 111 and the eccentric main shaft 110 and can control the linear motion distance of the lower die holder 102; the upper die holder 106 is provided with a locking handle 109.

Fig. 21 to 24 are schematic structural diagrams of the film covering device 2, and it can be seen that the film covering device 2 includes a support 201, two sides of the support 201 are respectively provided with a vertical plate 207, an upper side of the vertical plate 207 is provided with a sliding chute 219, a supporting slider 218 is arranged inside the sliding chute 219, a film covering gluing roller 208 is rotatably arranged between the vertical plates 207, shaft ends of two ends of the film covering gluing roller 208 are respectively located inside the supporting slider 218, shaft ends of two ends of a film covering lower roller 209 are rotatably connected with the supporting slider 218, vertical plates 207 respectively arranged at two sides are respectively provided with a pressure adjusting handle 211, the pressure adjusting handle 211 is connected with the supporting slider 218, and a compression spring 210 is arranged between the pressure adjusting handle 211 and the; a film-coating lower roller 209 is rotatably arranged between the vertical plates 207, the film-coating lower roller 209 is positioned at the lower part of the film-coating upper rubber roller 208, a material pressing channel 214 is arranged between the outer surface of the film-coating lower roller 209 and the outer surface of the film-coating upper rubber roller 208, the film-coating upper rubber roller 208 presses the film-coating lower roller 209 through a pressing spring 210, the outer surface of the film-coating upper rubber roller 208 and the outer surface of the film-coating lower roller 209 are mutually contacted under the pressing of the pressing spring 210, a film-coating lower roller shaft 217 is rotatably arranged inside the film-coating lower roller 209, and the film-coating lower roller shaft 217 is; the vertical plates 207 arranged on two sides of the support 201 are respectively provided with a fixed block 202, an upper guide roller 204 and a lower guide roller 203 are respectively arranged between the two fixed blocks 202 in a rotating manner, the upper guide roller 204 and the lower guide roller 203 are respectively provided with two spacer bushes 205 in a sliding manner, and a material passing groove 206 is arranged between the upper guide roller 204 and the lower guide roller 203; the two sides of the film-coating lower roller shaft 217 are respectively provided with a separation groove 216 at the position of the vertical plate 207, one end of the film-coating lower roller shaft 217 is provided with a film-coating gluing roller clutch handle 215, the bottom of the support slider 218 is provided with a clutch lever 220, and the bottom end of the clutch lever 220 is positioned in the separation groove 216; one side of the support 201 is provided with a deviation rectifying knob seat 213, the deviation rectifying knob seat 213 is provided with a deviation rectifying knob 221, and one end of the deviation rectifying knob 221 is provided with a deviation rectifying pull rod 212.

Fig. 14 to 20 are schematic structural diagrams of a multi-channel film laminating apparatus 3, the multi-channel film laminating apparatus 3 includes two supports 301 arranged in parallel, a fixed shaft 307 is fixedly arranged between the two supports 301, an upper tension roller 305 is rotatably arranged between the two supports 301, a transition tension roller 304 is arranged on one side of the lower portion of the upper tension roller 305, a transition roller 306 is arranged on the other side of the lower portion of the upper tension roller 305, a lower tension roller 302 is arranged on the lower portion of the transition roller 306, and a retaining ring 303 capable of adjusting the width distance is slidably arranged on the upper tension roller 305, the transition tension roller 304, the transition roller 306 and the lower tension roller 302; a laminating material fixing shaft 308 is rotatably arranged between the two brackets 301 and positioned at the outer side of the upper tension roller 305, a rotating handle 309 is arranged at one side of the laminating material fixing shaft 308, a spring 319 is arranged on the rotating handle 309 and connected with the brackets 301, the spring 319 can tension the rotating handle 309 to enable the film carding flat plate 314 to be positioned at one side close to the transition tension roller 304, a film carding flat plate 314 is fixedly arranged on the laminating material fixing shaft 308, the film carding flat plate 314 can be driven to swing when the rotating handle 309 is twisted, and two pairs of detection switches 310 and detection switch triggers 311 are respectively arranged on the two brackets 301; an attaching stroke bracket 318 is also rotatably arranged between the two brackets 301 and outside the upper tension roller 305.

Fig. 25 to 27 show a specific implementation structure of the film feeding device 4, which includes a mounting base plate 405, a supporting plate 409 is fixedly disposed on the mounting base plate 405, a second vacuum-absorbing tension plate 404 is fixedly disposed on the supporting plate 409, a backing material feeding roller 403 is rotatably disposed at the front end of the second vacuum-absorbing tension plate 404, a swing bracket 410 is rotatably disposed at the front end of the supporting plate 409, a first vacuum-absorbing tension plate 402 is fixedly disposed on the swing bracket 410, a backing material feeding support rod 401 is rotatably disposed at the front end of the swing bracket 410, and a backing material feeding roller 403 is rotatably disposed at the connection position of the swing bracket 410 and the supporting plate 409.

As can be seen in the figure, the front end of the vacuum adsorption second tension plate 404 is rotatably provided with an adjusting handle 407, and a rotating shaft 411 of the adjusting handle 407 is fixedly provided with a backing material pressing plate 406. The bottom material width adjusting positioning column 408 is slidably disposed at the end of the vacuum suction second tension plate 404. A pair of slide bushes 412 are slidably provided on the bed charge support rod 401 and the bed charge roller 403, respectively.

As can be seen, the front end of the vacuum suction first tension plate 402 is rotatably provided with an adjusting handle 407 on the swing bracket 410, and a backing material pressing plate 406 is fixedly provided on a rotating shaft 411 of the adjusting handle 407.

Owing to be equipped with the fuselage subassembly, fuselage subassembly one side is equipped with film feed arrangement, film feed arrangement is adjacent to be equipped with multichannel film laminating device, multichannel film laminating device is adjacent to be equipped with the tectorial membrane device, laminating device one side is adjacent to be equipped with cutting device, cutting device one side is equipped with waste material rolling subassembly, film feed arrangement upper portion is equipped with the string material subassembly, waste material rolling subassembly upper portion is equipped with string material recovery subassembly, the full-automatic laminating and the tectorial membrane process of multilayer film have been realized, the completion of whole technology does not need manual operation, it is whole to realize by each part is automatic, realize automatic cross cutting to the film that the tectorial membrane is good, finished product automatic collection after the cross cutting, automatic recovery has also been realized.

During specific work, the bottom material film 315 is placed at the front end of the film feeding device 4, the bottom material film 315 passes through the film feeding device 4, then passes through the lower guide roller 203, stably enters the film covering device 2, and is transmitted out through a gap between the outer surface of the film covering upper rubber roller 208 and the outer surface of the film covering lower roller 209; the upper material film 313 and the middle material film 312 are respectively placed on the hanging component 7, the upper material film 313 and the middle material film 312 are preliminarily attached through the multi-channel film attaching device 3, after passing through the multi-channel film attaching device 3, the upper material film 313 and the middle material film 312 are attached through the action of tension to form an upper composite material film 316, the upper composite material film 316 enters the film covering device 2 through the upper guide roller 204 of the film covering device 2, and is also transmitted out through a gap between the outer surface of the film covering upper rubber roller 208 and the outer surface of the film covering lower roller 209; an upper layer composite film 316 and a bottom layer material film 315 which are synchronously transmitted through a gap between the outer surface of the film laminating upper rubber roller 208 and the outer surface of the film laminating lower roller 209 are rolled by the outer surface of the film laminating upper rubber roller 208 and the outer surface of the film laminating lower roller 209 to form a composite film 317, the composite film 317 has certain composite strength at the moment, the operation of a subsequent die cutting process is convenient for a follow-up die cutting device 1, the power of the forward movement of the integral composite film 317 is transmitted by the waste material winding component 6 and the hanging material recovery component 8, the waste material winding component 6 and the hanging material recovery component 8 are both driven by a motor to provide power, meanwhile, the waste material winding component 6 collects the die cut bottom layer material film 315, the hanging material recovery component 8 mainly collects the die cut upper layer composite film 316, and the die cut finished product is output through a finished product outlet 114 arranged at one side of the die cutting device 1, form a concentrated collection.

When the die cutting device 1 works, the driving gear 116 is meshed with the eccentric main shaft gear 117 to transmit power to the eccentric main shaft 110, the eccentric rotation of the eccentric main shaft 110 drives the connecting rod 112 to move up and down, the eccentric rotation of the up-and-down movement drives the connecting rod 112 to drive the lower die holder hinged eccentric shaft 111 to move up and down, the lower die holder hinged eccentric shaft 111 which moves up and down drives the lower die holder 102 to slide on the four connecting upright posts 119, so that the punching die cutting processing of the lower die plate 104 and the upper die plate 107 is realized, the die cutting operation can be realized once per movement, the control system can adjust the working frequency according to the working rhythm requirement of the die cutting, the processing with certain working efficiency is realized, die-cut finished products are output through the finished product outlet 114 arranged on one side of the. The upper die holder 106 can be locked by a locking handle 109 arranged on the upper die holder 106.

The adjustment of the up-and-down movement distance of the lower die holder 102 is realized by rotating the worm 115 for adjusting the height of the lower die holder hinged eccentric shaft to drive the worm wheel 118 to rotate and further drive the eccentric shaft 111 to rotate, because the eccentric shaft 111 is the eccentric shaft, the eccentric shaft 111 drives the lower die holder 102 which is connected with the eccentric shaft in a rotating way to realize eccentric movement, the maximum adjustment distance is eccentric distance, the eccentric distance of the eccentric shaft 111 hinged to the lower die holder is generally set to be 10mm-30mm, the eccentric movement of the lower die holder 102 drives the lower die plate 104 which is arranged in the lower die holder to synchronously move, and finally the die cutting distance of the lower die plate 104 and the upper die plate 107 is adjusted, so that the die cutting of die cutting materials with different thicknesses can be realized, the die cutting of the full thickness can be realized, and the reasonable die cutting gap between the lower die plate 104 and the upper die plate 107 can be ensured not to cause the collision between the, the quality of die cutting is ensured.

Because four springs 103 are respectively arranged at the bottom of the lower die holder 102 on the four connecting upright posts 119, when the eccentric main shaft 110 drives the lower die holder 104 to move, the four springs 103 can assist the lower die holder 104 to provide resilience force, and simultaneously can buffer impact caused by rapid reciprocating motion of the lower die holder 104, so that impact force of equipment is relieved, and the equipment is protected to provide a long service life.

When the film-coating gluing roller clutch handle 215 is twisted, the bottom end of the clutch rod 220 can be pushed out of the clutch groove 216 and then is positioned on the outer surface of the film-coating lower roller shaft 217; when the deviation-correcting knob 221 rotates, the deviation-correcting pull rod 212 can be driven to adjust the distance between the support 201 and the deviation-correcting knob seat 213.

When the laminating machine works, the upper-layer composite film 316 enters the material pressing channel 214 through the material passing groove 206 under the guidance of the upper guide roller 204, the bottom-layer material film 315 enters the material pressing channel 214 through the material passing groove 206 under the guidance of the lower guide roller 203, the outer surface of the laminating upper rubber roller 208 and the outer surface of the laminating lower roller 209 are contacted with each other under the compression of the compression spring 210 to form a compression force, the upper-layer composite film 316 and the bottom-layer material film 315 are pressed together to form a composite film 317, and the surface laminating operation process of the bottom-layer material film 315 is completed.

Meanwhile, when the film laminating device 2 is installed, the deviation rectifying knob 221 on the outer side of the rotary adjusting support 201 can drive the deviation rectifying pull rod 212 to achieve parallelism of the film laminating upper rubber roller 208 and the film laminating lower roller 209 with the die cutting device 1, and flatness of feeding film laminating and size precision of die cutting are achieved.

When the upper composite film 316 and the bottom material film 315 are required to be smoothly inserted through the pressing channel 214, the clutch handle 215 of the laminating and gluing roller can be rotated and twisted, the clutch handle 215 of the laminating and gluing roller rotates to drive the clutch rod 220 to be ejected out of the clutch groove 216, the pressing channel 214 is opened, the upper composite film 316 and the bottom material film 315 can be conveniently inserted through the pressing channel 214, and the preparation work of an automatic laminating process can be conveniently realized.

When the multi-channel film laminating device 3 works, the upper layer material film 313 passes through the laminating stroke support 318, then bypasses the upper tension roller 305, then bypasses the transition tension roller 304, and is transmitted out through the lower tension roller 302; after the intermediate material film 312 passes around the transition roller 306 and then comes out through the lower tension roller 302, the upper material film 313 and the intermediate material film 312 pass through the lower tension roller 302 together, and a surface fitting process is formed preliminarily.

When the upper-layer material film 313 is installed on the feeding channel for the first time, the attaching stroke support 318 can be manually rotated and tilted upwards, the rotating and tilted attaching stroke support 318 pulls the upper-layer material film 313 tightly by means of the gravity of the support, a certain tension can be formed on the upper-layer material film 313, meanwhile, the rotating handle 309 further applies tension to the film carding flat plate 314 under the pulling force of the spring 319, and the tension compensation when the upper-layer material film 313 is loosened is made up.

When the film feeding device 4 works, a bottom material film 315 passes through the swing bracket 410 after being supported by the bottom material feeding support rod 401, and then enters the film covering device 2 through the support plate 409 after bypassing two bottom material feeding rollers 403, because the vacuum adsorption can be realized by the vacuum adsorption second tension plate 404 and the vacuum adsorption first tension plate when the bottom material film 315 is fed, the spreadability of the bottom material film 315 during feeding can be ensured, and a certain tension can be ensured, when the bottom material film 315 enters the film covering device 2, a high-quality film covering process can be formed with an upper layer composite film 316, and because the swing bracket 410 can rotate around the support plate 409, the whole swing bracket 410 can form a whole tension on the bottom material film 315, the bottom material pressing plate 406 arranged on the adjusting handle 407 can also realize a local tension on the bottom material film 315, and also can ensure that the bottom material film 315 enters the support plate 409, the vacuum adsorption second tension plate 404 at the front end can better realize the adsorption effect and ensure the flatness of the bottom material film 315.

The swing bracket 410 of the film feeding device 4 can rotate to adjust the inclination angle, so that the transmission angle can be adjusted according to the properties of different tensions of the bottom material film, the friction force during the input of the bottom material film is adjusted, the proper input tension is realized, and the composite quality of the bottom material film and other material films is ensured; the device can realize the automatic feeding function of leveling and smoothing vacuum adsorption.

However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims (5)

1. The utility model provides a film automatic feed device, includes mounting plate, characterized by: the vacuum adsorption type bottom material feeding device is characterized in that a support plate is fixedly arranged on the mounting bottom plate, a vacuum adsorption second tension plate is fixedly arranged on the support plate, a bottom material feeding roller is rotatably arranged at the front end of the vacuum adsorption second tension plate, a swing support is rotatably arranged at the front end of the support plate, a vacuum adsorption first tension plate is fixedly arranged on the swing support, a bottom material feeding support rod is rotatably arranged at the front end of the swing support, and a bottom material feeding roller is rotatably arranged at the joint of the swing support and the support plate.

2. An automatic film feeding apparatus according to claim 1, wherein: the front end of the vacuum adsorption second tension plate is rotatably provided with an adjusting handle, and a backing material pressing plate is fixedly arranged on a rotating shaft of the adjusting handle.

3. An automatic film feeding apparatus according to claim 1, wherein: and a backing material width adjusting positioning column is arranged at the tail end of the vacuum adsorption second tension plate in a sliding manner.

4. An automatic film feeding apparatus according to claim 1, wherein: and a pair of sliding sleeves is respectively arranged on the backing material feeding support rod and the backing material feeding roller in a sliding manner.

5. An automatic film feeding apparatus according to claim 1, wherein: the front end of the first vacuum adsorption tension plate is positioned on the swing support and is rotatably provided with an adjusting handle, and a backing material pressing plate is fixedly arranged on a rotating shaft of the adjusting handle.

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