CN219095901U - Film sticking machine - Google Patents

Abstract

The utility model discloses a film sticking machine which comprises a frame, a film placing roll shaft, a stretching film roll shaft and a conveyor, wherein the stretching film roll shaft is positioned at the upstream side of the conveyor, and the film placing roll shaft is positioned above the stretching film roll shaft; the utility model also comprises two film rollers and two double-film roller adjusting mechanisms; the two film rollers are positioned above the conveyor, and the end parts of the two film rollers are respectively connected with the double-film-roller adjusting mechanism; the double-film-roller adjusting mechanism comprises a frame, two guide rails, a lifting plate, an adjusting screw rod, two supporting seats and a motor. The film sticking machine can be used for solving the problem that film stripping is easy to cause when the sticking pressure is poor; and the problem of insufficient guidance and poor support stability when the film roll is lifted.

Description

Film sticking machine

Technical Field

The utility model belongs to a film sticking machine.

Background

The existing ceramic tile (or board) has difficulty in maintaining the surface finish during transportation, and in order to maintain the polished finish of the ceramic tile and stone board surface and not damage the surface during transportation, a film (such as a stretching film) is stuck on the ceramic tile (or board) surface by a film sticking machine. Whereas the prior art disclosed laminator (refer to CN204644170U patent) or the existing laminator on the market found common problems in use and analyzed as follows:

firstly, a single film roller is adopted, so that the problem that the film cannot be removed due to secondary pressure compensation when the lamination is poor exists;

secondly, the film roller is driven to lift by a lifting motor, and the film roller has the problems of insufficient guidance (no guidance) and insufficient supporting stability (single-rod supporting) during lifting;

third, it creates curl or wrinkling problems during the unwinding to film pressing process due to the elasticity of the stretched film.

Disclosure of Invention

The utility model provides a stretching film rolling shaft structure, which adopts a single film roller to solve the problem that stripping is easy to occur when the lamination is poor; and the problem of insufficient guidance and poor support stability when the film roll is lifted;

in order to achieve the above purpose, the scheme of the utility model is as follows: the film sticking machine comprises a frame, a film placing roll shaft, a stretching film roll shaft and a conveyor, wherein the stretching film roll shaft is positioned on the upstream side of the conveyor, and the film placing roll shaft is positioned above the stretching film roll shaft; the method is characterized in that: the device also comprises two film rollers and two double-film-roller adjusting mechanisms; the two film rollers are positioned above the conveyor, and the end parts of the two film rollers are respectively connected with the double-film-roller adjusting mechanism; the double-film-roller adjusting mechanism comprises a frame, two guide rails, a lifting plate, an adjusting screw rod, two supporting seats and a motor; the two guide rails are respectively fixed on the left and right frame edges of the frame; two ends of the lifting plate are respectively in sliding fit with the two guide rails; the adjusting screw rod is in threaded fit with the middle part of the lifting plate and is driven to rotate by a motor; the two supporting seats are fixed on the lifting plate and positioned at two sides of the adjusting screw rod; the two supporting seats are used for being in rotary fit with the end parts of the two film rolls.

By adopting the scheme, the motor drives the adjusting screw rod to rotate, the adjusting screw rod and the middle part of the lifting plate are in spiral transmission, the two ends of the lifting plate are driven to linearly upwards or downwards displace along the left and right double guide ways simultaneously, and the two film rolls arranged on the two supporting seats synchronously lift along with the lifting plate. And the two double-film-roller adjusting mechanisms are used for lifting and adjusting the two side ends of the two film rollers, so that the displacement amounts of the two film rollers are consistent when lifting and lowering, and the front and back double-film pressures of the two film rollers can avoid film stripping.

The frame structure is stable and the strength is reliable, and meanwhile, the two guide rails can keep the stability of the relative distance and direction on the left and right frame edges of the frame, so that the lifting plate can accurately lift along the two guide rails, the left and right ends of the lifting plate can not swing up and down, the heights of the two film rolls respectively rotatably supported by the two supporting seats on the lifting plate can be kept consistent, the height of the two film rolls can not swing and change, and the supporting is stable.

Preferably, the motor is arranged on the lower frame edge of the frame, and the output end of the motor is connected with the lower end of the adjusting screw rod.

Preferably, the bearing seat is provided with a bearing hole, and the end part of the film roll is matched and connected with the bearing hole through a first bearing.

Preferably, a cover plate is fixed to the outer side of the frame.

Preferably, the conveyor comprises a conveyor belt and a rigid support plate for horizontally supporting the conveyor work section of the conveyor belt.

Preferably, the stretching film roll shaft comprises a stretching film roll, two ends of the stretching film roll are respectively in rotatable fit with two shaft heads, and a first spiral groove section and a second spiral groove section are arranged on the outer circular surface of the stretching film roll; the first spiral groove section and the second spiral groove section are symmetrically arranged and are opposite in rotation direction. When the stretching film roll shaft rotates, the first spiral groove section and the second spiral groove section can generate tensile force for stretching films in an axially bilateral symmetry mode, and the stretching films are prevented from curling and wrinkling during film covering to influence film covering quality

Preferably, the shaft head is rotatably matched with the end part of the stretching film roller through two second bearings.

Preferably, the shaft head is provided with a connecting section, a first gear surface and a bearing inner hole matching section which are sequentially arranged; the two second bearing inner bores are connected with the bearing inner bore matching section in a matching way, the outer end of the bearing inner bore matching section is provided with a first clamping groove, and the first clamping groove is internally provided with an elastic retainer ring for a shaft; the end part of the stretching film roller is internally provided with a second blocking step surface and a bearing excircle matching section, the outer end of the bearing excircle matching section is provided with a second clamping groove, and a bearing retainer ring for a hole is arranged in the second clamping groove; the two second bearing inner rings are axially abutted by the first gear step surface and the elastic retainer ring for the shaft and are limited in two directions; and the two second bearing outer rings are axially abutted by the second blocking step surface and the hole bearing retainer ring and are limited in two directions.

Preferably, the connecting section is provided with a bar-shaped hole.

Preferably, the stretch-film roll comprises an inner layer and an outer layer removably secured to the inner layer.

The utility model has the beneficial effects that:

firstly, the motor drives the two ends of the lifting plate to linearly upwards or downwards displace along the left and right double guide ways simultaneously by driving the adjusting screw rod, and the two film rolls arranged on the two supporting seats synchronously lift along the lifting plate; the two double-film-roller adjusting mechanisms are used for lifting and adjusting the two side ends of the two film rollers, so that the displacement amounts of the two film rollers are consistent when lifting and lowering, and the front and rear double-film pressures of the two film rollers can avoid film stripping;

the second, the utility model is because the frame structure is stable, the intensity is reliable, the two guide rails can keep the stability of relative distance and direction on the left and right frame sides of the frame at the same time, and then make the lifting plate accurately lift along two guide rails and the left and right ends of the lifting plate can not swing up and down, can guarantee two membrane rolls that two supporting seats on the lifting plate rotate and support respectively to keep the height consistent, can not swing and change in height, support at the same time is stable;

thirdly, the stretching film roll shaft can generate stretching forces which are symmetrically unfolded at two axial sides through the first spiral groove section and the second spiral groove section when rotating, so that the stretching film is prevented from curling and wrinkling when being coated, and the quality of the coating film is prevented from being influenced;

fourthly, according to the utility model, as the two second bearing inner rings are axially abutted by the first gear step surface and the elastic retainer ring for the shaft and are limited in two directions; the two second bearing outer rings are axially abutted by the second blocking step surface and the hole bearing retainer ring and are limited in two directions; the two second bearings can be kept to rotate simultaneously, the inner rings and the outer rings of the two second bearings cannot axially jump, the centers of the stretching film rollers can be guaranteed to be consistent, the stretching film rollers cannot axially jump, and meanwhile the rotation is stable; particularly, axial runout or displacement between the first spiral groove section and the second spiral groove section on the stretching film roll shaft can be avoided, symmetrical rotation and deviation of the first spiral groove section and the second spiral groove section on the stretching film roll shaft can be avoided, the stretching film can always be kept symmetrical and bilateral symmetry Zhang Zhan, and the problems of wrinkling and curling are further avoided;

fifth, the utility model has the advantages of convenient and simple assembly and disassembly, reliable performance, stable rotation and the like due to the stretching film roller shaft.

Drawings

Fig. 1 is a front view of a laminator in accordance with a first embodiment of the utility model.

Fig. 2 is an enlarged view at S in fig. 1.

Fig. 3 is a perspective view of a laminator in accordance with a first embodiment of the utility model.

Fig. 4 is an enlarged view of R in fig. 3.

Fig. 5 is a diagram showing the positions and connection relationship among a film releasing roll shaft, two film rolls and two double-film roll adjusting mechanisms in the first embodiment of the present utility model.

Fig. 6-7 are schematic structural views of a dual film roll adjustment mechanism in accordance with a first embodiment of the present utility model.

Fig. 8 is a cross-sectional view of a stretched film roll shaft in the second embodiment of the present utility model.

Fig. 9 is an enlarged view at Q in fig. 8.

Fig. 10 is a perspective view of a stretching film roll in the second embodiment of the present utility model.

Fig. 11 is a diagram showing a comparison of a variation of the process of assembling the axle head and the end of the stretching film roller by two second bearings in the second embodiment of the present utility model.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

embodiment one: referring to fig. 1-4, a film sticking machine comprises a frame 3, a film placing roll shaft 4, a film stretching roll shaft 5, a conveyor 6, two film rolls 2 and two double-film-roll adjusting mechanisms 1.

Referring to fig. 2, the stretching film roll shaft 4 is rotatably mounted on the frame 3 at the upstream side of the conveyor 6, and the film releasing roll shaft 4 is rotatably mounted on the frame 3 above the stretching film roll shaft 5.

Referring to fig. 2, the film-releasing roller 4 is used for placing a roll-shaped stretched film N-2.

Referring to fig. 2, in operation, the stretched film roll 5 guides the stretched film N-2 unwound by the unwinding roll 4 to the lower side of the two film rolls 2, and then the two film rolls 2 are rotated to be pressed against and cover the upper surface of the tile N-1 (or other board).

Referring to fig. 2, the conveyor 6 has a conveyor belt 6-1 and a rigid support plate 6-2, the rigid support plate 6-2 being for horizontally supporting a conveying run 6-11 of the conveyor belt 6-1. The tile N-1 (or other plates) is driven to move during the horizontal conveying movement of the conveying belt 6-1, and the rigid supporting plate 6-2 rigidly horizontally supports the conveying working section 6-11 of the conveying belt 6-1, so that the gap between the conveying working section 6-11 and the two film rollers 2 is consistent with that between the conveying working section and the tile N-1 (or other plates), the film pasting quality can be ensured, the rotation of the two film rollers 2 can be prevented from being influenced due to too tight pressing, and meanwhile, the poor loose lamination of the pressing is prevented.

Referring to fig. 4, the two film rolls 2 are located above the conveying working sections 6-11 of the conveyor 6 and are arranged at equal height intervals along the conveying direction (i.e. from left to right), and the ends of the two film rolls 2 are respectively rotatably connected with the double-film-roll adjusting mechanism 1.

Referring to fig. 5-7, in this embodiment, the dual-film roller adjusting mechanism 1 includes a frame 1-2, two guide rails 1-3, a lifting plate 1-4, an adjusting screw 1-5, two supporting seats 1-6, and a motor 1-7; the two guide rails 1-3 are respectively fixed on the left and right frame edges of the frame 1-2; the two ends of the lifting plate 1-4 are respectively in sliding fit with the two guide rails 1-3; the adjusting screw rod 1-5 is in threaded fit with the middle part of the lifting plate 1-4 and is driven to rotate by the motor 1-7; specifically, the middle part of the lifting plate 1-4 is fixedly provided with a screw nut which is used for being matched with the adjusting screw rod 1-5. The two supporting seats 1-6 are fixed on the lifting plate 1-4 and are positioned at two sides of the adjusting screw rod 1-5; the two support blocks 1-6 are intended to be in a running fit with the ends of two film rolls 2. During adjustment, the motor 1-7 drives the adjusting screw rod 1-5 to rotate, the adjusting screw rod 1-5 is in spiral transmission with the middle part of the lifting plate 1-4 to drive the two ends of the lifting plate 1-4 to linearly upwards or downwards displace along the left and right double guide ways of the two guide rails 1-3 at the same time, and the two film rolls 2 arranged on the two supporting seats 1-6 synchronously lift along with the lifting plate 1-4, so that when the double film roll adjusting mechanism 1 can realize the height adjustment of one side end part of the two film rolls 2, the displacement amount of one side end of the two film rolls 2 during lifting is consistent. The two double-film-roller adjusting mechanisms 1 work simultaneously and are used for symmetrically adjusting the lifting of the two side ends of the two film rollers 2, so that the displacement amounts of the two film rollers 2 in lifting are consistent, and the front and back double-film pressures of the two film rollers 2 can avoid film stripping.

Referring to fig. 5-7, the frame 1-2 has stable structure and reliable strength, and meanwhile, the two guide rails 1-3 can keep the stability of relative distance and direction on the left and right frame edges of the frame 1-2, so that the lifting plate 1-4 can accurately lift along the two guide rails 1-3, the left and right ends of the lifting plate 1-4 can not swing up and down, the heights of the two film rolls 2 respectively rotatably supported by the two supporting seats 1-6 on the lifting plate 1-4 can be kept consistent, the swinging can not be changed, the height is not changed, and the supporting is stable.

Referring to fig. 5-7, the motor 1-7 is installed on the lower frame edge of the frame 1-2, and the output end of the motor 1-7 is fixedly connected with the lower end of the adjusting screw 1-5.

Referring to fig. 5-7, the bearing blocks 1-6 are provided with bearing holes 1-61, and the end of the film roll 2 is cooperatively connected with the bearing holes 1-61 through a first bearing 1-8 so that the film roll 2 can rotate concentrically with low resistance.

Referring to fig. 5-7, a cover plate 1-1 is fixed to the outer side of the frame 1-2. The cover plate 1-1 reduces dust and the like from entering the frame 1-2, and ensures that the two guide rails and the first bearing 1-8 work normally for a long time.

Embodiment two: referring to fig. 8-10, in this embodiment, the first embodiment is substantially the same as the first embodiment, except that:

referring to fig. 8-9, in this embodiment, the stretching film roller 5 includes a stretching film roller 5-1, and two ends of the stretching film roller 5-1 are respectively rotatably engaged with two shaft heads 5-2.

Referring to fig. 10, a first spiral groove section 5-11a and a second spiral groove section 5-12a are arranged on the outer circular surface of the stretching film roller 5-1; the first spiral groove section 5-11a and the second spiral groove section 5-12a are symmetrically arranged and have opposite rotation directions. Because the first spiral groove section 1-1 and the second spiral groove section 1-2 can generate the tensile force which is symmetrically unfolded at two axial sides to the stretched film when the stretched film roll shaft 5 rotates, the stretched film is prevented from curling and wrinkling during film coating to influence the film coating quality

Referring to fig. 8-9, the shaft head 5-2 is rotatably engaged with the end of the stretching film drum 5-1 through two second bearings 5-3.

Referring to fig. 8-9, the shaft head 5-2 is provided with a connecting section 5-21, a first step surface 5-22 and a bearing inner hole matching section 5-23 which are sequentially arranged; the two second bearings 5-3 are connected with the bearing inner hole matching section 5-23 in a matching way, the outer end of the bearing inner hole matching section 5-23 is provided with a first clamping groove 5-24, and the first clamping groove 5-24 is internally provided with an elastic retainer ring 5-4 for a shaft; the end part of the stretching film roller 5-1 is internally provided with a second blocking step surface 5-11 and a bearing excircle matching section 5-12, the outer end of the bearing excircle matching section 5-12 is provided with a second clamping groove 5-13, and a bearing retainer ring 5-5 for hole is arranged in the second clamping groove 5-13; the inner rings of the two second bearings 5-3 are axially abutted by the first gear step surface 5-22 and the elastic retainer ring 5-4 for the shaft and are limited in two directions; and the outer rings of the two second bearings 5-3 are axially abutted by the second stop surface 5-11 and the hole bearing retainer ring 5-5 and are limited in two directions. The two second bearings 5-3 can be kept to rotate simultaneously, meanwhile, the inner rings and the outer rings of the two second bearings 5-3 cannot axially jump, the consistency of the centers of the stretching film rollers 5-1 can be guaranteed, the axial jumping cannot be realized, and meanwhile, the rotation is more stable.

Referring to fig. 8-9, the connecting section 5-21 is provided with a strip-shaped hole 5-25. The strip-shaped holes 5-25 of the connecting section 5-21 are fixedly arranged on the frame through bolts and can be axially adjusted in position, so that the installation and the debugging are facilitated.

Referring to fig. 8-9, the stretch-film roll 5-1 includes an inner layer and an outer layer removably secured to the inner layer. The outer layer can be independently replaced after being worn, so that the maintenance cost can be reduced.

Referring to fig. 11, the assembly procedure of the shaft head 5-2 and the end of the stretching film roller 5-1 through two second bearings 5-3 is as follows:

(1) Two second bearings 5-3 are sleeved on the bearing inner hole matching section 5-23 of the shaft head 5-2, and the two second bearings 5-3 are tightly attached, so that one second bearing 5-3 (namely one on the left side in the figure) positioned on the outer side is abutted against the first gear surface 5-22;

(2) The elastic retainer ring 5-4 for the shaft is arranged in the first clamping groove 5-24, and at the moment, the inner rings of the two second bearings 5-3 are axially abutted against the first blocking step surface 5-22 and the elastic retainer ring 5-4 for the shaft and are limited in two directions;

(3) The combination is integrally inserted into the end part of the stretching film roller 5-1, the two second bearings 5-3 are matched with the bearing excircle matching sections 5-12, and one second bearing 5-3 (namely, one on the right side in the figure) positioned on the inner side is propped against the second gear step surface 5-11;

(4) And the hole bearing retainer ring 5-5 is arranged in the second clamping groove 5-13, and at the moment, the outer rings of the two second bearings 5-3 are axially abutted by the second blocking step surface 5-11 and the hole bearing retainer ring 5-5 and are limited in both directions.

And the other shaft head 5-2 and the end part of the stretching film roller 5-1 are assembled in a matched way through the two second bearings 5-3, so that the process can be completed.

In addition, the operation of the stretch film roll 5 is very simple, and the stretch film roll 5-1 can be replaced quickly when the stretch film roll is disassembled, which is exactly the reverse of the assembly sequence described above.

Therefore, the stretching film roller shaft 5 has the advantages of convenience and simplicity in assembly and disassembly, reliable performance, stable rotation and the like.

Therefore, the assembly is convenient, and the end parts of the shaft head 5-2 and the stretching film roller 5-1 are matched stably through the two second bearings 5-3 after assembly, and especially, the axial runout or displacement between the two second bearings 5-3 can not be generated, so that the first spiral groove section 5-11a and the second spiral groove section 5-12a on the stretching film roller shaft 5 are ensured to symmetrically rotate and not to deviate, the stretching film is always kept to be symmetrically and bidirectionally symmetrical Zhang Zhan, and the problems of wrinkling and curling are further avoided.

The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims (10)

1. The film sticking machine comprises a frame (3), a film placing roll shaft (4), a stretching film roll shaft (5) and a conveyor (6), wherein the stretching film roll shaft (5) is positioned on the upstream side of the conveyor (6), and the film placing roll shaft (4) is positioned above the stretching film roll shaft (5); the method is characterized in that: the device also comprises two film rollers (2) and two double-film-roller adjusting mechanisms (1);

the two film rollers (2) are positioned above the conveyor (6), and the end parts of the two film rollers (2) are respectively connected with the double-film-roller adjusting mechanism (1);

the double-film-roller adjusting mechanism (1) comprises a frame (1-2), two guide rails (1-3), a lifting plate (1-4), an adjusting screw rod (1-5), two supporting seats (1-6) and a motor (1-7); the two guide rails (1-3) are respectively fixed on the left and right frame edges of the frame (1-2); two ends of the lifting plate (1-4) are respectively in sliding fit with the two guide rails (1-3); the adjusting screw rod (1-5) is in threaded fit with the middle part of the lifting plate (1-4) and is driven to rotate by the motor (1-7); the two supporting seats (1-6) are fixed on the lifting plate (1-4) and are positioned at two sides of the adjusting screw rod (1-5); the two support blocks (1-6) are used for being in rotary fit with the ends of the two film rolls (2).

2. A laminator as defined in claim 1, wherein: the motor (1-7) is arranged on the lower frame edge of the frame (1-2), and the output end of the motor (1-7) is connected with the lower end of the adjusting screw rod (1-5).

3. A laminator as defined in claim 1, wherein: the film roll is characterized in that bearing holes (1-61) are formed in the supporting seats (1-6), and the end parts of the film roll (2) are connected with the bearing holes (1-61) in a matched mode through first bearings (1-8).

4. A laminator as defined in claim 1, wherein: a cover plate (1-1) is fixed on the outer side of the frame (1-2).

5. A laminator as defined in claim 1, wherein: the conveyor (6) comprises a conveyor belt (6-1) and a rigid support plate (6-2), which rigid support plate (6-2) is used for horizontally supporting a conveying work section (6-11) of the conveyor belt (6-1).

6. A laminator as defined in claim 1, wherein: the stretching film roll shaft (5) comprises a stretching film roll (5-1), two ends of the stretching film roll (5-1) are respectively and rotatably matched with the two shaft heads (5-2),

the outer circular surface of the stretching film roller (5-1) is provided with a first spiral groove section (5-11 a) and a second spiral groove section (5-12 a);

the first spiral groove section (5-11 a) and the second spiral groove section (5-12 a) are symmetrically arranged and have opposite rotation directions.

7. A laminator as defined in claim 6, wherein: the shaft head (5-2) is rotatably matched with the end part of the stretching film roller (5-1) through two second bearings (5-3).

8. A laminator as defined in claim 7, wherein: the shaft head (5-2) is provided with a connecting section (5-21), a first gear step surface (5-22) and a bearing inner hole matching section (5-23) which are sequentially arranged;

the inner holes of the two second bearings (5-3) are connected with the inner hole matching section (5-23) of the bearing in a matching way, the outer end of the inner hole matching section (5-23) of the bearing is provided with a first clamping groove (5-24), and the first clamping groove (5-24) is internally provided with an elastic retainer ring (5-4) for a shaft;

the end part of the stretching film roller (5-1) is internally provided with a second blocking step surface (5-11) and a bearing excircle matching section (5-12), the outer end of the bearing excircle matching section (5-12) is provided with a second clamping groove (5-13), and a bearing retainer ring (5-5) for a hole is arranged in the second clamping groove (5-13);

the inner rings of the two second bearings (5-3) are axially abutted by the first gear step surface (5-22) and the elastic retainer ring (5-4) for the shaft and are limited in two directions; and the outer rings of the two second bearings (5-3) are axially abutted by the second stop surface (5-11) and the hole bearing retainer ring (5-5) and are limited in two directions.

9. A laminator as defined in claim 8, wherein: the connecting section (5-21) is provided with a strip-shaped hole (5-25).

10. A laminator as defined in claim 7, wherein: the stretching film roller (5-1) comprises an inner layer and an outer layer, and the outer layer is detachably and fixedly sleeved on the inner layer.

Images