CN211846474U

CN211846474U - Film winding and unwinding device and film guiding shaft assembly

Info

Publication number: CN211846474U
Application number: CN202020206189.0U
Authority: CN
Inventors: 张敬红
Original assignee: Dongguan Feihua Robot Co ltd
Current assignee: Dongguan Feihua Robot Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-11-03
Anticipated expiration: 2030-02-25

Abstract

The utility model discloses a film coiling and uncoiling device and a film guiding shaft assembly, which comprises an uncoiling wheel, a coiling wheel and a film guiding shaft assembly arranged between the uncoiling wheel and the coiling wheel; the film leading shaft assembly is the film leading shaft assembly; after being unreeled by the unreeling wheel, the coil stock passes through the film guiding gap of the film guiding shaft assembly and is then coiled in the reeling wheel. The film guiding shaft assembly comprises a mounting seat, a first rolling shaft, a second rolling shaft and an adjusting cylinder, wherein the first rolling shaft, the second rolling shaft and the adjusting cylinder are arranged on the mounting seat; wherein: the first roller is used for being connected with a roller drive, and a film guiding gap is formed between the first roller and the second roller; and the telescopic end of the adjusting cylinder is connected to the second roller to control the distance between the second roller and the first roller. Therefore, the adjusting cylinder is used for controlling the displacement of the second rolling shaft, the threading requirement is quickly met, the operation is simple and convenient, the practicability is high, the resetting is accurate, and the manual operation error is avoided; the membrane guiding shaft assembly is simple in structural design, ingenious and reasonable, and easy to produce, manufacture, assemble and apply.

Description

Film winding and unwinding device and film guiding shaft assembly

Technical Field

The utility model relates to a membrane receive and releases the technical of package and puts the field, especially indicate a membrane receive and releases package and put and draw membrane axle subassembly, it is main but not the restriction be applied to on the dyestripping equipment.

Background

In the early stage, when the display screen panel is assembled, a manual film tearing mode is usually adopted, one corner of the screen is pasted by adhesive tape, the whole film is torn off by force after one corner is torn off, more manpower is consumed for manual film tearing, the working efficiency is low, and the screen is easily scratched by fingers to cause damages such as secondary pollution of the screen.

Later, automatic film tearing equipment gradually appears to replace manual film tearing, great progress is made, and the film tearing efficiency is greatly improved; when actually processing man-hour, after using up a roll of sticky tape, need to change the sticky tape, it is artifical generally and increases two matched with draw membrane axle intervals, penetrate the sticky tape after, the manual work again draws membrane axle regulation to reset, its operation process is more troublesome, consumes more tape changing time, influences the work efficiency of dyestripping device, in addition, is subject to the manual operation error, is difficult to guarantee to adjust at every turn and resets accurately, is unfavorable for guaranteeing dyestripping device job stabilization nature.

Therefore, a new technical solution needs to be developed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a membrane receive and releases coiling apparatus and draws membrane axle subassembly, and it utilizes adjusting cylinder control second roller bearing displacement, satisfies fast and wears the area demand, and easy operation is convenient, and the practicality is strong.

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

a film guiding shaft assembly comprises a mounting seat, a first rolling shaft, a second rolling shaft and an adjusting cylinder, wherein the first rolling shaft, the second rolling shaft and the adjusting cylinder are arranged on the mounting seat; wherein: the first roller is used for being connected with a roller drive, and a film guiding gap is formed between the first roller and the second roller; and the telescopic end of the adjusting cylinder is connected to the second roller to control the distance between the second roller and the first roller.

As a preferred scheme, two ends of the second roller are respectively connected with an adjusting cylinder, and the two adjusting cylinders synchronously control the displacement of the two ends of the second roller.

Preferably, the mounting seat is provided with two end plates arranged at opposite sides and a side plate connected between the two end plates; two ends of the first rolling shaft and the second rolling shaft are respectively positioned on the two end plates; the adjusting cylinder is arranged on the side plate, and the telescopic end of the adjusting cylinder extends into the inner side of the side plate to be connected to the end part of the second rolling shaft.

As a preferable scheme, the first rolling shaft is a knurling shaft; the second rolling shaft is a rubber coating shaft.

As a preferred scheme, the adjusting cylinder is provided with a button, after the button is pressed once, the telescopic end of the adjusting cylinder drives the second roller to move away from the first roller, and after the button is pressed once again, the telescopic end of the adjusting cylinder drives the second roller to move towards the first roller to reset.

A film winding and unwinding device comprises an unwinding wheel, a winding wheel and a film guiding shaft assembly arranged between the unwinding wheel and the winding wheel; the film leading shaft assembly is the film leading shaft assembly;

after being unreeled by the unreeling wheel, the coil stock passes through the film guiding gap of the film guiding shaft assembly and is then coiled in the reeling wheel.

Preferably, a plurality of guide wheels are arranged between the unwinding wheel and the film guiding shaft assembly to guide and position the roll.

As a preferred scheme, still be provided with the dyestripping workstation, the coil stock is unreeled through unreeling the wheel and is passed the dyestripping clearance of drawing membrane axle subassembly after dyestripping workstation top, again carries out the rolling in the rolling wheel.

As a preferred scheme, be provided with the groove of stepping down on the dyestripping workstation, dyestripping workstation below is provided with the sticky tape and presses the mechanism, the sticky tape presses the mechanism and has the portion of pressing that upwards stretches into the groove of stepping down in order to support and press in the coil stock downside.

As a preferred scheme, the unwinding wheel and the winding wheel are both provided with friction force regulating and controlling structures; the friction force regulating structure comprises a shaft end seat, a baffle plate, a friction plate and an elastic element, wherein the shaft end seat, the baffle plate and the friction plate are all sleeved at the end parts of the corresponding unwinding wheel and the winding wheel, and the elastic element acts between the shaft end seat and the baffle plate; the end parts of the corresponding unwinding wheel and the winding wheel extend to form external thread sections, the external thread sections penetrate through the friction plates, adjusting nuts are arranged to be matched with the external thread sections, and the adjusting nuts, the friction plates and the baffle plates are sequentially contacted; the friction force between the adjusting nut and the friction plate is increased by rotating the adjusting nut so that the adjusting nut moves towards the friction plate, or the friction force between the adjusting nut and the friction plate is reduced by moving the adjusting nut away from the friction plate.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

the adjusting cylinder is used for controlling the displacement of the second rolling shaft, so that the threading requirement is quickly met, the operation is simple and convenient, the practicability is high, the resetting is accurate, and the manual operation error is avoided;

secondly, the structure design of the film guiding shaft assembly is simple, ingenious and reasonable, and the film guiding shaft assembly is easy to produce, manufacture, assemble and apply;

when the film guiding shaft assembly is applied to a film tearing device, the practicability is particularly outstanding for adhesive tapes with adhesive properties, the tape changing time is saved, and the working efficiency of the film tearing device is improved;

and fourthly, the unwinding wheel and the winding wheel are both provided with friction force regulation and control structures, so that the friction force of the unwinding wheel and the winding wheel can be flexibly controlled, the traction friction force of the whole film winding and unwinding device can be compensated and regulated as required, and the film tearing success rate and the film tearing efficiency can be improved when the film tearing device is applied.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a perspective view of a first embodiment of the present invention;

fig. 2 is a front view of a first embodiment of the present invention;

fig. 3 is a top view of a first embodiment of the present invention;

fig. 4 is a perspective view of a second embodiment of the present invention;

fig. 5 is a three-dimensional structure diagram of a third embodiment of the present invention;

FIG. 6 is a partial structural view of FIG. 2;

FIG. 7 is an enlarged fragmentary view of FIG. 6;

FIG. 8 is a perspective view of the tape pressing mechanism;

FIG. 9 is a view of another angular perspective of the tape pressing mechanism;

FIG. 10 is a sectional structural view of the tape pressing mechanism;

FIG. 11 is a perspective view of the film guiding shaft assembly;

FIG. 12 is a sectional structural view of the film introducing shaft assembly;

FIG. 13 is a top view of the draw shaft assembly;

FIG. 14 is a perspective view of the tape unwinding wheel;

FIG. 15 is a sectional view showing the structure of the tape unwinding wheel;

fig. 16 is a perspective view of the adhesive film take-up reel;

fig. 17 is a sectional structure view of the adhesive film winding wheel;

fig. 18 is a perspective view of the positioning stage.

The attached drawings indicate the following:

adhesive tape pressing mechanism A

The pendulum frame 1 presses against the driving cylinder 2

Fulcrum 3 pressing part 4

Tension spring 5 inclined plane 6

Side plate 8 of limiting piece 7

A first connecting rod 9 and a second connecting rod 10

Third connecting rod 11 rotation limiting groove 12

Film tearing workbench 13 abdicating groove 14

Feeding table 15 aligning table 16

First material moving manipulator 17 and second material moving manipulator 18

Shim 19 adjustment slot 20

First slide 21 and second slide 22

Positioning block 23 slide block driving mechanism 24

Mounting base 30 for lifting plate 25

First roller 31 and second roller 32

Adjusting cylinder 33 end plate 34

Side plate 35 unwinding wheel 36

Film guiding shaft assembly 38 of winding wheel 37

First shaft end seat 41 first baffle 42

First friction plate 43 first elastic element 44

First external thread section 45 first adjusting nut 46

Second shaft end seat 51 and second baffle 52

Second friction plate 53 second elastic element 54

Second external thread segment 55 and second adjusting nut 56

The guide notch 57 guides the projection 58.

Detailed Description

Fig. 1 to 18 show a specific structure of a preferred embodiment of the present invention.

Firstly, please refer to fig. 1 to 5, which show structural diagrams of three embodiments of the apparatus, wherein the three embodiments each include a feeding table 15, a film tearing table 13, and a positioning table 16, which are sequentially arranged along a straight line; here, the feeding direction is defined as the front side, and therefore, it can be understood that the feeding stage 15 and the aligning stage 16 are provided on the rear side and the front side of the peeling table 13, respectively.

The main differences between the three embodiments are: pan feeding platform 15, specifically:

referring to fig. 1 to 3, in the first embodiment, the feeding table 15 is a translation conveying table, and a dust removing mechanism is configured on the translation conveying table; the dust removing mechanism comprises a brush wheel which is driven by a first motor to rotate, the brush wheel is positioned at the upper side and/or the lower side of the conveying belt of the translation conveying table, and a double-sided dust removing design is preferred; of course, a dust collection box is usually disposed below the division mechanism, and dust is collected into the dust collection box by an exhaust fan. The conveyer belt is usually driven by the second motor to reciprocate and translate, preferably, the upside of the conveyer belt, and correspond to the front and back of the upper side brush wheel, is provided with the pinch roller respectively, and the pinch roller mainly plays a positioning role, is favorable to the smooth process of the work piece brush wheel position.

Referring to fig. 4, in the second embodiment, a translation conveying table is also adopted, and a dust removing mechanism is not configured.

Referring to fig. 5, in the third embodiment, the feeding table 15 is a lifting conveying table, the lifting conveying table has a lifting motor, a screw rod, a lifting plate 25 and an air blowing mechanism, the lifting motor drives the screw rod to rotate, the screw rod drives the lifting plate 25 to lift up and down, the lifting plate 25 is usually designed to be a hollow structure to play a role in preventing sticking by passing air, meanwhile, the lifting plate 25 is also reduced in load, the weight is reduced, the material consumption is more reduced, and the energy consumption is correspondingly reduced when the lifting motor drives the lifting plate 25 to act; the workpieces are stacked on the lifting plate 25, and the air blowing mechanism blows air to the workpieces on the uppermost layer, so that dust is removed, static electricity is removed, the workpieces on the upper layer are blown loose, the workpieces are easily sucked piece by piece, and the phenomenon that multiple workpieces are sucked at a time is reduced or even avoided; four side plates are arranged around the lifting plate 25, and the positions of the four side plates can be adjusted to meet the placing requirements of different workpiece sizes; comparing three kinds of embodiments, it is not hard to see, and the third embodiment adopts lift to carry the platform, and it has reduced the shared space of pan feeding platform by a wide margin, does benefit to the application and the management of equipment in the workshop more.

All adopt the manipulator to absorb the work piece automatically between pan feeding platform 15, dyestripping workstation 13, the whole position platform 16, specifically: a first material moving manipulator 17 and a second material moving manipulator 18 are further arranged; the first material moving mechanical arm 17 and the second material moving mechanical arm 18 are both provided with a plurality of suction heads, the positions of the suction heads can be adjusted to form different adsorption areas to meet the adsorption requirements of workpieces with different sizes, and the positions of the suction heads in the X/Y directions can be flexibly adjusted by matching the adjusting grooves in the X/Y directions; the first material moving manipulator 17 is connected between the feeding table 15 and the film tearing workbench 13; the second material moving manipulator 18 is connected between the film tearing workbench 13 and the positioning workbench 16. Here, each of the first material transfer robot 17 and the second material transfer robot 18 has a forward/backward translation driving unit, an up/down lifting driving unit, and a horizontal rotation driving unit to control the respective forward/backward translation, up/down lifting, and horizontal rotation operations of the robot. The front and back translation driving unit adopts a motor to drive a screw rod to rotate, and a sliding seat of the manipulator is matched with the screw rod through an internal thread hole, so that the sliding seat can translate back and forth along the screw rod, and the good front and back translation stability and controllability are ensured through a motor screw rod driving mode; the up-down lifting driving unit adopts a cylinder to drive lifting; the horizontal rotation driving unit controls the horizontal rotation angle by adopting the rotation of a motor. After the first material moving manipulator 17 transfers the workpiece from the feeding table 15 to the film tearing workbench 13, the workpiece needs to rotate by a set angle, so that the sharp corner position of the workpiece is used as a stress point of film tearing, and the film tearing is smoother; after the film is torn off, the second material moving manipulator 18 sucks the workpiece, rotationally resets the workpiece and then moves the workpiece to the positioning table 16 for positioning. Normally, between the film tearing table 13 and the positioning table 16 there are provided static electricity eliminating units, such as: and (4) a static eliminating rod.

Referring to fig. 6 and 7, it mainly embodies the structure of the automatic film tearing device: the automatic film tearing device comprises a film tearing workbench 13, a tape pressing mechanism positioned below the film tearing workbench 13, and a winding and unwinding device; wherein: the winding and unwinding device comprises a tape unwinding wheel and an adhesive film winding wheel, and the tape on the tape unwinding wheel is unwound and then wound on the adhesive film winding wheel after passing through the upper part of the film tearing workbench 13; the film tearing workbench 13 is provided with a yielding groove 14, and the pressing part 4 of the adhesive tape pressing mechanism extends into the yielding groove 14 so that the upper end of the adhesive tape pressing part is pressed against the lower side of the adhesive tape.

As shown in fig. 8 to 10, the tape pressing mechanism a will be described next with emphasis:

the adhesive tape pressing mechanism A comprises a swing frame 1 and a pressing driving cylinder 2 for driving the swing frame 1 to translate back and forth; wherein: the telescopic end of the pressing driving cylinder 2 is pivoted to a fulcrum 3 of the swing frame 1, the swing frame 1 is divided into a front section part and a rear section part by the fulcrum 3, the front section part is provided with a pressing part 4 for pressing an adhesive tape, and the rear section part is connected with a tension spring 5; the upper end of the tension spring 5 is connected with the rear section of the swing frame 1, and the lower end of the tension spring 5 is fixed relative to the position of the cylinder body pressed against the driving cylinder 2; preferably, the tension spring 5 extends vertically, the upper end of the tension spring is opposite to the upper part of the lower end of the tension spring, and the lower end of the tension spring 5 is connected to the cylinder body pressed against the driving cylinder 2. When the telescopic end of the pressing driving cylinder 2 drives the swing frame 1 to move forwards, the tension spring 5 is stretched forwards to deform, the rear section part of the swing frame 1 rotates downwards around the fulcrum 3 under the reset acting force of the tension spring 5, and meanwhile, the front section part of the swing frame 1 rotates upwards around the fulcrum 3 to enable the pressing part 4 to press upwards.

The swing frame 1 is provided with two side plates 8 which are arranged at a left-right interval, and a plurality of connecting rods are connected between the two side plates 8 and respectively defined as a first connecting rod 9, a second connecting rod 10 and a third connecting rod 11; the first connecting rod 9, the second connecting rod 10 and the third connecting rod 11 are arranged at intervals from back to front; the upper end of the tension spring 5 is connected to a first connecting rod 9, the telescopic end pressed against the driving cylinder 2 is pivoted to a second connecting rod 10 so that the second connecting rod 10 serves as a fulcrum 3 of the swing frame 1, the telescopic end pressed against the driving cylinder 2 is further provided with a limited rotation groove 12, and a third connecting rod 11 penetrates through the limited rotation groove 12. The rear end of the swing frame 1 is provided with an inclined surface 6 which extends downwards obliquely from back to front, specifically, the rear ends of the two side plates 8 are provided with the inclined surfaces 6, the pressing driving cylinder 2 is arranged on a mounting plate, and the whole adhesive tape pressing mechanism is arranged and applied to equipment through the mounting plate. The mounting plate is provided with a limiting part 7 corresponding to the rear side of the swing frame 1 for adapting to the inclined surface 6, when the swing frame 1 rotates, the front side of the swing frame is limited by the rotation limiting groove 12, the rear side of the swing frame is limited by the limiting part 7, the limiting part can be a cylindrical limiting shaft which is mounted on the mounting plate, and the limiting part 7 can be adjusted in position along the elongated groove by arranging the elongated groove which extends forwards and backwards on the mounting plate. And the pressing part 4 is a rotating wheel (for example, a rubber-covered rotating wheel) so that the rotating peripheral surface of the rotating wheel can be in rotatable contact with the adhesive tape. The two ends of the rotating wheel are respectively connected with the two side plates 8.

As shown in fig. 7, a film guiding shaft assembly 38 is arranged between the unwinding wheel 36 and the winding wheel 37; the film guiding shaft assembly 38 is used as a power part for unwinding and winding; after being unreeled by the unreeling wheel 36, the roll material passes through the film guiding gap of the film guiding shaft assembly 38 and is then reeled in the reeling wheel. Generally, a plurality of guide wheels 39 are arranged between the unwinding wheel 36 and the film guiding shaft assembly 38 to guide and position the roll material. The unwinding wheel 36, the winding wheel 37 and the film guiding shaft assembly 38 are all positioned below the film tearing workbench 13, and the coil stock is unwound by the unwinding wheel 36, passes through the film guiding gap of the film guiding shaft assembly 38 after passing through the upper part of the film tearing workbench 13, and is wound by the winding wheel; therefore, the space below the film tearing workbench 13 is well utilized, and the structural compactness of equipment design is facilitated.

As shown in fig. 11 to 13, next, the film introducing shaft assembly 38 will be described with emphasis:

the film guiding shaft assembly comprises a mounting seat 30, a first rolling shaft 31, a second rolling shaft 32 and an adjusting cylinder 33, wherein the first rolling shaft 31, the second rolling shaft 32 and the adjusting cylinder 33 are arranged on the mounting seat 30; wherein: the first roller 31 is used for connecting roller drive, and a film guiding gap is formed between the first roller 31 and the second roller 32; the telescopic end of the adjusting cylinder 33 is connected to the second roller 32 to control the distance between the second roller 32 and the first roller 31. One adjusting cylinder 33 may be provided, preferably, the two ends of the second roller 32 are respectively connected with the adjusting cylinders 33, and the two adjusting cylinders 33 synchronously control the displacement of the two ends of the second roller 32, so that the regulation balance is better. Generally, the adjusting cylinder 33 is provided with a button, after the button is pressed once, the telescopic end of the adjusting cylinder 33 drives the second roller 32 to move away from the first roller 31, and after the button is pressed once again, the telescopic end of the adjusting cylinder 33 drives the second roller 32 to move towards the first roller 31 to reset. Therefore, when the tape needs to be threaded, the button is pressed, the adjusting cylinder 33 is used for controlling the second roller 32 to move slightly away from the first roller 31, after the tape is threaded, the button is pressed again to control the tape to reset, and the operation is very convenient.

The mounting seat 30 has two end plates 34 disposed opposite to each other and a side plate 35 connected between the two end plates 34; the two ends of the first roller 31 and the second roller 32 are respectively positioned on the two end plates 34; the adjusting cylinder 33 is mounted on the side plate 35, and its telescopic end extends into the side plate 35 to connect with the end of the second roller 32, for example, by screw locking. Here, the first roller 31 is designed as a knurl shaft to avoid slipping, while the second roller 32 is designed as a rubberized shaft. A stroke slot is provided in the end plate 34 for the end of the second roller 32 to extend into.

As shown in fig. 14 to 17, it shows the specific structure of the unwinding wheel 36 and the winding wheel 37:

a first spring assembly is sleeved at the end of the unwinding wheel 36, the first spring assembly comprises a first shaft end seat 41, a first baffle plate 42, a first friction plate 43 and a first elastic element 44, the first shaft end seat 41, the first baffle plate 42 and the first friction plate 43 are all sleeved at the end of the unwinding wheel 36, and the first elastic element 44 acts between the first shaft end seat 41 and the first baffle plate 42; the first elastic element 44 may be a plurality of small pressure springs arranged at intervals along the circumferential direction, the first shaft end seat 41 extends with a plurality of guide pillars arranged at intervals along the circumferential direction for sleeving the pressure springs, and one end of each guide pillar passes through the first baffle 42; a first external thread section 45 extends from the end of the unwinding wheel 36, the first external thread section 45 passes through the first friction plate 43, a first adjusting nut 46 is arranged to be adapted to the first external thread section 45, and the first adjusting nut 46, the first friction plate 43 and the first baffle 42 are sequentially contacted; the friction between the first adjustment nut 46 and the first friction plate 43 is increased by rotating the first adjustment nut 46 to displace the first adjustment nut 46 toward the first friction plate 43 or the friction between the first adjustment nut 46 and the first friction plate 43 is decreased by displacing the first adjustment nut 46 away from the first friction plate 43.

A second spring assembly is sleeved at the end part of the winding wheel 37 and comprises a second shaft end seat 51, a second baffle plate 52, a second friction plate 53 and a second elastic element 54, the second shaft end seat 51, the second baffle plate 52 and the second friction plate 53 are all sleeved at the end part of the winding wheel 37, and the second elastic element 54 acts between the second shaft end seat 51 and the second baffle plate 52; the second elastic element 54 may be a plurality of small pressure springs, which are arranged along the circumferential direction at intervals, and positioning holes are correspondingly arranged on the second shaft end seat 51 and the second baffle 52 for two ends of the pressure springs to extend into and position; a plurality of guide recesses 57 are provided on the periphery of the second shaft end seat 51, and correspondingly, a plurality of guide projections 58 extend from the second baffle plate 52, and the guide projections 58 project into the corresponding guide recesses 57. A second external thread section 55 extends from the end part of the winding wheel 37, the second external thread section 55 passes through the second friction plate 53, a second adjusting nut 56 is arranged to be matched with the second external thread section 55, and the second adjusting nut 56, the second friction plate 53 and the second baffle plate 52 are contacted in sequence; the frictional force between the second adjusting nut 56 and the second friction plate 53 is increased by rotating the second adjusting nut 56 to displace the second adjusting nut 56 toward the second friction plate 53, or the frictional force between the second adjusting nut 56 and the second friction plate 53 is decreased by displacing the second adjusting nut 56 away from the second friction plate 53.

As shown in fig. 18, which shows the smart structure of the positioning table 16:

the positioning table 16 is provided with a gasket 19 and a plurality of positioning units arranged around the gasket 19; two adjusting grooves 20 are formed in the periphery of the gasket 19 in an extending mode from the side edge to the center, and supporting arms are reserved between the adjacent adjusting grooves 20; the positioning unit comprises a first slide block 21, a second slide block 22, a positioning block 23 and a slide block driving mechanism 24; the slide block driving mechanism 24 is connected to the first slide block 21 to control the first slide block 21 to move back and forth in the direction from the side edge to the center; the first slide block 21 is provided with a first guide rail extending from the side edge to the center direction, and the second slide block 22 is adjustably arranged on the first slide block 21 and can be adjusted in position along the first guide rail; the second slide block 22 is provided with a second guide rail extending along the side direction, and the positioning block 23 is adjustably mounted on the second slide block 22 and is adjustable in position along the second guide rail; the positioning blocks 23 are arranged corresponding to the adjusting grooves 20 one by one. So, through the structural change of gasket 19, utilize adjustment tank 20 to satisfy the regulation of positioning block 23 and let the demand, the support arm can satisfy the location of placing of not unidimensional work piece to, be favorable to improving the positioning effect.

And, what should be noted are:

the whole equipment is intelligent automatic equipment, a workpiece and a film are taken as tracking attention objects, an induction switch can be arranged at the position where the workpiece and the film arrive according to needs to induce and feed back the in-place situation to a control system, and the induction switch can be photoelectric induction and the like or other proximity induction switches; for example: the induction of the in-place condition of the workpiece on the feeding table 15, the in-place condition of the workpiece on the film tearing table 13, the in-place condition of the workpiece on the positioning table 16, the induction of the successful film tearing state, the in-place induction of the movement of each manipulator to different positions, and the like. The setting of each inductive switch is mainly used for feeding back each action and state change situation in real time so as to more accurately and intelligently control each part action of the equipment.

In summary, the utility model is mainly designed to control the displacement of the second roller by the adjusting cylinder, so as to quickly meet the threading requirement, and has the advantages of simple and convenient operation, strong practicability, accurate reset and avoiding artificial operation errors; secondly, the structure design of the membrane guiding shaft assembly is simple, ingenious and reasonable, and the membrane guiding shaft assembly is easy to produce, manufacture, assemble and apply; moreover, when the film guiding shaft assembly is applied to a film tearing device, the practicability is particularly outstanding for adhesive tapes with adhesive properties, the time for replacing the adhesive tapes is saved, and the working efficiency of the film tearing device is improved; and the unwinding wheel and the winding wheel are respectively provided with a friction force regulation and control structure, so that the friction force of the unwinding wheel and the winding wheel can be flexibly controlled, the traction friction force of the whole film winding and unwinding device can be compensated and regulated as required, and the film tearing success rate and the film tearing efficiency can be improved when the film tearing device is applied.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A film introducing shaft assembly characterized by: comprises a mounting seat (30), a first rolling shaft (31), a second rolling shaft (32) and an adjusting cylinder (33) which are arranged on the mounting seat (30); wherein: the first roller (31) is used for being connected with a roller driver, and a film guiding gap is formed between the first roller (31) and the second roller (32); the telescopic end of the adjusting cylinder (33) is connected with the second roller (32) to control the distance between the second roller (32) and the first roller (31).

2. The film introducing shaft assembly of claim 1, wherein: two ends of the second rolling shaft (32) are respectively connected with an adjusting cylinder (33), and the two adjusting cylinders (33) synchronously control the displacement of the two ends of the second rolling shaft (32).

3. The film introducing shaft assembly according to claim 1 or 2, wherein: the mounting seat (30) is provided with two end plates (34) arranged at opposite sides and a side plate (35) connected between the two end plates (34); the two ends of the first roller (31) and the second roller (32) are respectively positioned on the two end plates (34); the adjusting cylinder (33) is mounted on the side plate (35), and the telescopic end of the adjusting cylinder extends into the inner side of the side plate (35) to be connected to the end part of the second roller (32).

4. The film introducing shaft assembly of claim 1, wherein: the first rolling shaft (31) is a knurling shaft; the second rolling shaft (32) is a rubber coating shaft.

5. The film introducing shaft assembly of claim 1, wherein: the adjusting cylinder (33) is provided with a button, the button is pressed once, the telescopic end of the adjusting cylinder (33) drives the second roller (32) to be away from the first roller (31) for displacement, and the telescopic end of the adjusting cylinder (33) drives the second roller (32) to be displaced towards the first roller (31) for resetting after the button is pressed once again.

6. A film winding and unwinding device is characterized in that: comprises an unwinding wheel (36), a winding wheel (37) and a film guiding shaft assembly (38) arranged between the unwinding wheel (36) and the winding wheel (37); the film introducing shaft assembly (38) is the film introducing shaft assembly of any one of claims 1 to 5;

after being unreeled by the unreeling wheel (36), the coil stock passes through the film guiding gap of the film guiding shaft assembly (38) and is then reeled by the reeling wheel.

7. The film take-up and pay-off device according to claim 6, wherein: and a plurality of guide wheels (39) are arranged between the unwinding wheel (36) and the film guiding shaft assembly (38) to guide and position the coil materials.

8. The film take-up and pay-off device according to claim 6, wherein: the film tearing workbench (13) is further arranged, and the coil stock is unreeled through the unreeling wheel (36), passes through the film guiding gap of the film guiding shaft assembly (38) after being unreeled above the film tearing workbench (13), and is then coiled in the reeling wheel.

9. The film take-up and pay-off device according to claim 8, wherein: be provided with groove of stepping down (14) on dyestripping workstation (13), dyestripping workstation (13) below is provided with the sticky tape and presses the mechanism, the sticky tape presses the mechanism and has the portion of pressing (4) that upwards stretches into groove of stepping down (14) in order to support and press in the coil stock downside.

10. The film take-up and pay-off device according to claim 8, wherein: the unwinding wheel (36) and the winding wheel (37) are both provided with friction force regulating and controlling structures; the friction force regulating structure comprises a shaft end seat, a baffle plate, a friction plate and an elastic element, wherein the shaft end seat, the baffle plate and the friction plate are all sleeved at the end parts of the corresponding unwinding wheel (36) and the winding wheel (37), and the elastic element acts between the shaft end seat and the baffle plate; the end parts of the corresponding unwinding wheel (36) and the winding wheel (37) extend to form external thread sections, the external thread sections penetrate through the friction plates, adjusting nuts are arranged to be matched with the external thread sections, and the adjusting nuts, the friction plates and the baffle plates are sequentially contacted; the friction force between the adjusting nut and the friction plate is increased by rotating the adjusting nut so that the adjusting nut moves towards the friction plate, or the friction force between the adjusting nut and the friction plate is reduced by moving the adjusting nut away from the friction plate.