CN213894620U

CN213894620U - Film feeding device of transfer glue spreader

Info

Publication number: CN213894620U
Application number: CN202022720137.8U
Authority: CN
Inventors: 刘军; 白韬; 贠佳
Original assignee: Shaanxi Yuanzhi Pharmaceutical Bioengineering Co ltd
Current assignee: Shaanxi Yuanzhi Pharmaceutical Bioengineering Co ltd
Priority date: 2020-11-21
Filing date: 2020-11-21
Publication date: 2021-08-06
Anticipated expiration: 2030-11-21

Abstract

The application relates to a film feeding device of a transfer gumming machine, which relates to the field of the film feeding device and comprises a base, a support plate, a rotating shaft, a tensioning assembly, a deviation rectifying assembly and a guiding assembly, wherein the support plate is connected with the base in a sliding way, the rotating shaft is connected with the support plate in a sliding way, the rotating shaft is used for sleeving a film roll, the tensioning assembly comprises a cylinder, a connecting block and a first roller, the cylinder is fixedly connected with the support plate, the connecting block is fixedly connected with a piston rod of the cylinder, the first roller is rotatably connected with the connecting block, the deviation rectifying assembly comprises a limiting plate, a photoelectric switch and a driving piece, a limiting groove is formed in the limiting plate, the photoelectric switch is arranged at two ends of the limiting groove, the driving piece is used for driving the support plate to slide, the guiding assembly is used for guiding the feeding direction of a film, when in use, the cylinder is started, the cylinder drives the first roller to jack up the film, and the guiding assembly guides the film, so that the film is kept in a tensioned state when being loaded. The effect of difficult emergence skew when this application has film material loading.

Description

Film feeding device of transfer glue spreader

Technical Field

The application relates to the field of film loading devices, in particular to a film loading device of a transfer glue spreader.

Background

The plaster is a Chinese medicinal plaster which is coated on a base fabric and is adhered to a patient on the skin of a body when in use. Generally comprises three layers of a base fabric, an ointment and a film. The ointment has viscosity, so the ointment is generally uniformly coated on the film by a transfer coater and then is adhered to the base fabric; the film needs to maintain a constant speed during the process of conveying the film to the base fabric to ensure that the film and the base fabric can be smoothly adhered to each other.

At present, the related art, as disclosed in the application document with the application number of 201720400094.0, discloses a feeding mechanism of a film splitting machine for an automobile decorative film, which comprises a supporting plate, an unwinding mechanism and a feeding rod mechanism, wherein the unwinding mechanism comprises two supporting legs and a winding drum which are oppositely arranged, a placing surface is formed on the upper end surfaces of the supporting legs, the feeding rod mechanism is arranged on the front sides of the supporting legs, the winding drum is rotatably connected with the supporting legs, the feeding rod mechanism comprises a rotating shaft supporting seat, a telescopic cylinder and a feeding rod, the rotating shaft supporting seat is fixedly arranged on the supporting plate, the lower end of the telescopic cylinder is hinged on the supporting seat, the telescopic rod of the telescopic cylinder is connected to the rear end of the feeding rod, and the feeding rod can be lapped on the placing surface of the supporting legs; during operation, wear to establish the winding up roller in the automotive decoration membrane is rolled up, all suit the bearing mount pad again at the both ends of winding up roller to make the annular groove on the bearing mount pad cooperate with the material loading pole, the flexible cylinder work of control again utilizes lever principle to carry out the material loading with the automotive decoration membrane book perk.

In view of the related art in the above, the inventors consider that the film is liable to shift due to mechanical vibration and web deviation during the feeding of the film.

SUMMERY OF THE UTILITY MODEL

The application provides a transfer spreading machine film loading attachment in order to reduce the problem of easy emergence skew during film loading.

The application provides a transfer spreading machine film loading attachment adopts following technical scheme:

the utility model provides a shift spreading machine film loading attachment, includes base, backup pad, axis of rotation and tensioning subassembly, the backup pad with the base is connected, the axis of rotation with the backup pad is rotated and is connected, the axis of rotation is used for the cover to establish the film and rolls up, the tensioning subassembly includes cylinder, connecting block and first cylinder, the cylinder with backup pad fixed connection, the connecting block with the piston rod fixed connection of cylinder, first cylinder with the connecting block rotates to be connected, first cylinder surface can contact with the film.

Through adopting above-mentioned technical scheme, the axis of rotation drives the film book and rotates during the material loading to carrying out the material loading to the transfer spreading machine, starting the cylinder before the material loading, the piston rod of cylinder drives connecting block upward movement, thereby drives first cylinder rebound, makes first cylinder surface and film contact, thereby jacks up the film, makes the film keep the tensioning state between axis of rotation and transfer spreading machine, makes the film be difficult to take place the skew at the material loading in-process.

Optionally, still include the subassembly of rectifying, deviation correcting device includes limiting plate, photoelectric switch and driving piece, the limiting plate with base one end fixed connection, the spacing groove has been seted up on the limiting plate, and the film passes the spacing groove carries out the material loading, photoelectric switch with limiting plate fixed connection, the driving piece is used for driving the backup pad and slides.

By adopting the technical scheme, when the film deflects in the feeding process, light beams emitted by the emitting end of the photoelectric switch can be reflected by the film, so that optical signals are weakened, the receiving end of the photoelectric switch detects a target object according to the intensity of the received light, when the photoelectric switch detects that the object exists, the film deflects, the driving piece is started to drive the supporting plate to move towards the opposite direction of the film deflection direction, the supporting plate drives the tensioning assembly and the rotating shaft to move towards the opposite direction of the film deflection direction, the problem of the film deflection can be corrected, the film and the base fabric can be attached flatly and rightly, and the reject ratio of the produced plaster is reduced.

Optionally, the driving part comprises a screw and a motor, the support plate is slidably connected with the base, the screw is in threaded connection with the support plate, and the motor drives the screw to rotate.

Through adopting above-mentioned technical scheme, when the processing of rectifying, starter motor, motor drive screw rod rotate, because screw rod and backup pad threaded connection to the backup pad can be followed the base and slided, consequently can drive the backup pad when the screw rod rotates and slide, the rotation direction through control screw rod alright control the slip direction of backup pad, have the transmission steady, the effect of easily controlling.

Optionally, still include the direction subassembly, the direction subassembly includes fixed block and second cylinder, the fixed block with limiting plate fixed connection, the second cylinder with the fixed block rotates to be connected, and the film is located between first cylinder and the second cylinder.

By adopting the technical scheme, when the tensioning assembly jacks up the thin film, the top end of the thin film is in contact with the outer wall of the second roller, the thin film can be limited, and the problem that the thin film is scraped and rubbed with the limiting groove due to the fact that the inclination angle of the thin film is too large is solved.

Optionally, the number of the photoelectric switches is two, and the two photoelectric switches are located at two ends of the limiting groove.

Through adopting above-mentioned technical scheme, two photoelectric switch are located the spacing groove both sides, no matter the film can both be detected to that one side skew, has increased the suitability and the work precision of rectifying the subassembly.

Optionally, the photoelectric switch is connected with the limiting plate in a sliding manner.

Through adopting above-mentioned technical scheme, photoelectric switch slides along the limiting plate, can adjust the interval between the photoelectric switch to can both survey the film of different width, increase the commonality of subassembly of rectifying.

Optionally, the surface of the first roller is provided with an adsorption layer, and the surface of the second roller is provided with an adsorption layer.

By adopting the technical scheme, when the film passes through the first roller and the second roller, the adsorption layer can adsorb the dust on the surface of the film, so that the surface of the film is kept clean, and the smooth and smooth adhesion of the film and the base fabric is facilitated.

Optionally, the limiting plate is provided with scales.

Through adopting above-mentioned technical scheme, during the photoelectric switch that slides, can observe the registration of scale, when the interval between two photoelectric switches equals the width of film, can stop sliding, be favorable to the interval between the accurate control photoelectric switch, improved the work precision of the subassembly of rectifying.

Optionally, the device further comprises a controller, wherein the controller is electrically connected with the photoelectric switch, and the controller is electrically connected with the motor.

Through adopting above-mentioned technical scheme, thereby photoelectric switch is according to whether detecting the switching of film skew control controller to whether the control motor starts, the switching of above-mentioned operation can automatic control motor does not need manual operation, is favorable to saving manufacturing cost.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the film feeding device of the transfer gluing machine is provided with the tensioning assembly, the tensioning assembly comprises the first roller, and the first roller jacks up a film during feeding so that the film keeps a tensioning state in a feeding process and is not easy to deviate;

2. the application provides a pair of shift spreading machine loading attachment is equipped with the subassembly of rectifying, and when the film took place to squint, the subassembly of rectifying was used for correcting the normal position with the film, is favorable to reducing the disqualification rate of production.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is an enlarged view of a portion a in fig. 1.

Description of reference numerals: 1. a base; 11. a base plate; 12. a support bar; 13. a slide rail; 2. a support plate; 21. a first chute; 22. a fixing plate; 221. a first through hole; 23. a threaded hole; 3. a rotating shaft; 4. a tension assembly; 41. a cylinder; 42. connecting blocks; 421. a second through hole; 43. a first drum; 431. an adsorption layer; 5. a deviation rectifying component; 51. a limiting plate; 511. a limiting groove; 512. a second chute; 513. calibration; 52. a photoelectric switch; 521. a slider; 53. a fastener; 54. a drive member; 541. a screw; 542. a motor; 6. a guide assembly; 61. a fixed block; 611. a first connecting rod; 612. a second connecting rod; 6121. a third through hole; 62. a second drum; 7. and a controller.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a transfer spreading machine film loading attachment. Referring to fig. 1 and 2, the film feeding device of the transfer coater comprises a base 1, a support plate 2, a rotating shaft 3, a tensioning assembly 4, a deviation rectifying assembly 5, a guide assembly 6 and a controller 7.

Referring to fig. 1, base 1 includes a bottom plate 11 and four bracing pieces 12, bottom plate 11 is the rectangle, bracing piece 12 distributes in 11 edges of bottom plate and welds

bottom plate

11, 11 roof welding of bottom plate has two slide rails 13, slide rail 13 is T type slide rail, two slide rail 13 parallel arrangement, first spout 21 has been seted up to 2 bottoms of backup pad, first spout 21 is T type spout, the first spout 21 of backup pad 2 accessible slides along slide rail 13, the one end welding that slide rail 13 was kept away from to 2 roof of backup pad has fixed plate 22, fixed plate 22 is equipped with two, fixed plate 22 keeps away from the one end of backup pad 2 and has seted up first through-hole 221, the rotation of 3 both ends of axis of rotation is connected in first through-hole 221 inner wall, the axis of rotation of axis of rotation.

Referring to fig. 1, tensioning assembly 4 includes cylinder 41, connecting block 42 and first cylinder 43, cylinder 41 is equipped with two, the cylinder body and the backup pad 2 of cylinder 41 adopt screw fixed connection, connecting block 41 is equipped with two, the piston rod tip of a connecting block 42 and a cylinder 41 adopts screw fixed connection, the vertical setting of cylinder 41's piston rod axis, second through-hole 421 has been seted up on the connecting block 42, first cylinder 43 both ends are rotated and are connected in second through-hole 421 inner wall, the axis of first cylinder 43 and the length direction of slide rail 13 are parallel, first cylinder 43 surface cover is equipped with adsorbed layer 431, adsorbed layer 431 is the silica gel piece.

Referring to fig. 1 and 2, the deviation correcting assembly 5 includes a limit plate 51, a photoelectric switch 52, fastener 53 and driving piece 54, the lateral wall welding of limiting plate 51 and the base 1 one end of keeping away from fixed plate 22, limiting plate 51 has run through along thickness direction and has seted up spacing groove 511, spacing groove 511 is rectangular shape, the length direction of spacing groove 511 is parallel with the axis direction of first cylinder 43, limiting plate 51 is last to have seted up second spout 512, second spout 512 is the T type spout, the length direction of second spout 512 is parallel with the length direction of spacing groove 511, photoelectric switch 52 is equipped with two, an organic whole is provided with slider 521 on photoelectric switch 52, slider 521 is T type slider 521, photoelectric switch 52 passes through slider 521 sliding connection in second spout 512 inner wall, fastener 53 is the screw, fastener 53 is used for fixing photoelectric switch 52 and limiting plate 51, the last scale 513 of having seted up of limiting plate 51, the direction of scale 513 is parallel with the direction of second spout 512.

Referring to fig. 1, the driving member 54 includes a screw 541 and a motor 542, a threaded hole 23 is formed through the support plate 2, the length direction of the threaded hole 23 is parallel to the length direction of the slide rail 13, the screw 541 is connected to the inner wall of the threaded hole 23 in a threaded manner, and one end of the screw 541 extends to the outer side of the threaded hole 23, an output shaft of the motor 542 and one end of the screw 541 extending to the outer side of the threaded hole 23 are fixedly connected by a coupler, and a housing of the motor 542 and the bottom plate 11 are fixedly connected by screws; the controller 7 is fixedly connected with the limiting plate 51, the controller 7 is electrically connected with the photoelectric switch 52, and the controller 7 is electrically connected with the motor 542.

Referring to fig. 1 and 2, the guide assembly 6 includes a fixed block 61 and a second drum 62, the fixed block 61 includes a first connecting rod 611 and a second connecting rod 612, the first connecting rod 611 and the limiting plate 51 are welded, the second connecting rod 612 and one end of the first connecting rod 611 far away from the limiting plate 51 are welded, the second connecting rod 612 is vertically arranged, a third through hole 6121 is formed in one end of the second connecting rod 612 far away from the first connecting rod 611, two ends of the second drum 62 are rotatably connected to the inner wall of the third through hole 6121, the axis of the second drum 62 is parallel to the axis of the first drum 43, the axis of the second drum 62 and the limiting groove 511 are located on the same horizontal plane, an adsorption layer 431 is arranged on the surface of the second drum 62, and the adsorption layer 431.

The implementation principle of the film feeding device of the transfer gumming machine in the embodiment of the application is as follows: before loading, adjusting the spacing between the photoelectric switches 52 according to the width of the film, sliding the photoelectric switches 52 along the second sliding groove 512, observing the number of indications of the contact between the photoelectric switches 52 and the scales 513 during sliding, stopping sliding when the spacing between the two photoelectric switches 52 is equal to the width of the film, and fixing the photoelectric switches 52 and the limiting plate 51 by using a fastener 53; then according to the elasticity size of film, start cylinder 41, cylinder 41 drives first cylinder 43 and rises and jack-up the film for the film is in the tensioning state, then can drive axis of rotation 3 and rotate and carry out the material loading to the film.

When the film deflects in the feeding process, the photoelectric switch 52 detects the film, the controller 7 receives a signal to control the motor 542 to be started, the output shaft of the motor 542 drives the screw 541 to rotate, the screw 541 is in threaded connection with the support plate 2, and the support plate 2 can slide along the bottom plate 11, so that the screw 541 can drive the support plate 2 to slide towards the direction away from the film deflection when rotating, and the support plate 2 drives the rotating shaft 3 and the loading assembly to slide when sliding, so that the film is driven to move towards the opposite direction of the deflection, and the film can be corrected; after the film is corrected, the photoelectric switch 52 cannot detect the film, the signal source of the controller 7 disappears, the motor 542 can be controlled to be turned off, and then normal feeding is carried out.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a transfer spreading machine film loading attachment which characterized in that: including base (1), backup pad (2), axis of rotation (3) and tensioning assembly (4), backup pad (2) with base (1) is connected, axis of rotation (3) with backup pad (2) rotate to be connected, axis of rotation (3) are used for the cover to establish the film book, tensioning assembly (4) include cylinder (41), connecting block (42) and first cylinder (43), cylinder (41) with backup pad (2) fixed connection, connecting block (42) with the piston rod fixed connection of cylinder (41), first cylinder (43) with connecting block (42) rotate to be connected, first cylinder (43) surface can contact with the film.

2. The transfer coater film feeding device according to claim 1, wherein: still including rectifying subassembly (5), rectifying subassembly (5) includes limiting plate (51), photoelectric switch (52) and driving piece (54), limiting plate (51) with base (1) one end fixed connection, spacing groove (511) have been seted up on limiting plate (51), and the film passes limiting groove (511) carry out the material loading, photoelectric switch (52) with limiting plate (51) fixed connection, driving piece (54) are used for driving backup pad (2) and slide.

3. The transfer coater film feeding device according to claim 2, wherein: the driving piece (54) comprises a screw rod (541) and a motor (542), the supporting plate (2) is connected with the base (1) in a sliding mode, the screw rod (541) is connected with the supporting plate (2) in a threaded mode, and the motor (542) drives the screw rod (541) to rotate.

4. The transfer coater film feeding device according to claim 2, wherein: still include direction subassembly (6), direction subassembly (6) include fixed block (61) and second cylinder (62), fixed block (61) with limiting plate (51) fixed connection, second cylinder (62) with fixed block (61) rotate and are connected, and the film is located between first cylinder (43) and second cylinder (62).

5. The transfer coater film feeding device according to claim 2, wherein: the number of the photoelectric switches (52) is two, and the two photoelectric switches (52) are located at two ends of the limiting groove (511).

6. The transfer coater film feeding device according to claim 5, wherein: the photoelectric switch (52) is connected with the limit plate (51) in a sliding mode.

7. The transfer coater film loading device according to claim 4, wherein: an adsorption layer (431) is arranged on the surface of the first roller (43), and an adsorption layer (431) is arranged on the surface of the second roller (62).

8. The transfer coater film feeding device according to claim 2, wherein: the limiting plate (51) is provided with scales (513).

9. A transfer coater film loading unit as claimed in claim 3, wherein: the photoelectric switch further comprises a controller (7), wherein the controller (7) is electrically connected with the photoelectric switch (52), and the controller (7) is electrically connected with the motor (542).