CN215620984U - Lifting type film material folding device - Google Patents

Abstract

The utility model relates to a lifting type film material folding device, which comprises a supporting plate and a folding mechanism, and is characterized in that: the edge-folding top film plate is horizontally attached to the supporting plate, and a gap through which the film material can pass is formed between the edge-folding top film plate and the supporting plate; the edge-folding top film plate is provided with a first side edge consistent with the conveying direction of the film material, and a through hole is formed in one side of the edge-folding top film plate on the supporting plate; the folding mechanism comprises a folding plate and a folding lifting driving mechanism capable of driving the folding plate to lift and move to the position above the folding top film plate, the folding plate is installed on the power output end of the folding lifting driving mechanism and is located in the through hole, and the shape of the folding plate is matched with that of the through hole. The lifting type film material folding device can accurately fold the film material along the indentation line, and the qualification rate of products is improved.

Description

Lifting type film material folding device

Technical Field

The utility model relates to the technical field of film material folding, in particular to a lifting type film material folding device.

Background

In some film processing and production, the film needs to be folded, so that one part of the film is folded along one edge and attached to the other part. For example, as shown in fig. 1 and 2, a book cover commonly used at present includes a base film 1 ' and an inner film 2 ', one side edge of the base film 1 ' is folded inwards to form a folded part 3 ' and is covered on the base film 1 ', and then an upper edge and a lower edge of the folded part 3 ' of the base film are heat-sealed with the base film to form a hot sealed edge 4 '; the inner membrane 2 'covers the inner side of the other side edge of the base membrane 1', and the upper edge and the lower edge of the inner membrane 2 'are thermally sealed with the base membrane to form a hot sealing edge 4'; the edge of the other side of the base film 1 ' is provided with a glue strip 5 ' along the length direction thereof, so that after the book cover passes through the gap between the base film 1 ' and the inner film 2 ', the excess base film can be folded in half onto the inner film 2 ' along the book cover and bonded.

Generally, when the base film is folded in half, a strip-shaped folding guide plate is adopted, and in the process of continuously placing the base film, a part of the base film is gradually folded under the guidance of the folding guide plate. This makes the hem of books cover accurate perpendicular to the side of base film, has very high requirement to the direction precision of hem deflector. However, in the process of continuously feeding the film, the film material is commonly subjected to the traction action and the guiding action of the folding guide plate, the folding edge is easy to shift and cannot be perpendicular to the side edge of the base film, so that the upper edge and the lower edge of the folding part after being folded cannot be correspondingly superposed with the upper edge and the lower edge of the base film, the part of the folding part is exposed outside the base film, and an unusable defective book cover is generated.

Disclosure of Invention

The utility model aims to provide a lifting type film material folding device which can accurately fold a film material along a creasing line and improve the qualification rate of products. The technical scheme is as follows:

the utility model provides a over-and-under type membrane material turns over a device, includes layer board and turns over a mechanism, its characterized in that: the edge-folding top film plate is horizontally attached to the supporting plate, and a gap through which the film material can pass is formed between the edge-folding top film plate and the supporting plate; the edge-folding top film plate is provided with a first side edge consistent with the conveying direction of the film material, and a through hole is formed in one side of the edge-folding top film plate on the supporting plate; the folding mechanism comprises a folding plate and a folding lifting driving mechanism capable of driving the folding plate to lift and move to the position above the folding top film plate, the folding plate is installed on the power output end of the folding lifting driving mechanism and is located in the through hole, and the shape of the folding plate is matched with that of the through hole.

The front-back direction in this specification is based on the transport direction of the film material, and the film material is transported from front to back, unless otherwise specified. Before the film material is sent to the folding top film plate, a pressing wheel and the like are used for pressing a crease line on the film material along the length direction of the film material, the first side edge of the folding top film plate corresponds to the position of the crease line, and the crease line is used as a folding line of the film material.

When the film is conveyed to the film folding device, the film is positioned in a gap between the folded edge top film plate and the supporting plate, a crease line of the film is completely aligned with the first side edge of the folded edge top film plate, and the part of the film needing to be folded is positioned on the folded edge plate; then hem lift actuating mechanism drive hem board rises and moves to the top of hem ejector film board, at the removal in-process of hem board, promotes the turnover portion of membrane material and turns over along the indentation line to final flip is on hem ejector film board, and the opposite side membrane material of indentation line receives the limiting displacement of hem ejector film board in vertical direction owing to be in the clearance, can not receive the influence that the hem board removed.

As the preferable scheme of the utility model, the flanging lifting driving mechanism comprises a bracket, a cylinder and a first connecting rod; the support is arranged below the supporting plate, the cylinder body of the air cylinder is arranged on the support in the left-right direction, and the tail end of the cylinder body of the air cylinder is hinged with the support; the lower end of the first connecting rod is hinged to a piston rod of the air cylinder, the middle of the first connecting rod is rotatably connected with the support, and the upper end of the first connecting rod is hinged to the lower surface of the flanging plate. The cylinder pushes the lower end of the first connecting rod and the cylinder body swings downwards at the same time, the lower end of the first connecting rod correspondingly moves downwards, and the middle part of the first connecting rod is rotatably connected to the support, so that the upper end of the first connecting rod moves upwards to enable the edge folding plate to ascend, and the edge folding plate pushes the membrane material to turn upwards; the lower end of the first connecting rod descends to the lowest point and then ascends along with the pushing of the air cylinder, at the moment, the edge folding plate passes through the highest point and then moves downwards to the position above the edge folding film ejection plate, and the film material is folded under the pushing of the edge folding plate.

In order to improve the stability of the folding plate in the lifting process, as a further preferable scheme of the utility model, the folding lifting driving mechanism further comprises a second connecting rod, and the second connecting rod is positioned on the left side or the right side of the first connecting rod; the lower end of the second connecting rod is rotatably connected with the bracket, and the upper end of the second connecting rod is hinged with the lower surface of the flanging plate.

In order to further improve the stability of the folding plate in the lifting process, as a further preferable scheme of the utility model, the folding lifting driving mechanism further comprises a transmission shaft, the number of the first connecting rods and the number of the second connecting rods are two, and the two first connecting rods and the two second connecting rods are respectively arranged in the front-back direction; and a piston rod of the air cylinder is hinged with the middle part of the transmission shaft, and the front end and the rear end of the transmission shaft are respectively and correspondingly fixedly connected with the lower ends of the two first connecting rods.

As a still further preferable aspect of the present invention, the bracket includes a front fixing plate, a rear fixing plate, a cylinder movable seat, and a cylinder mounting seat; the front fixed plate and the rear fixed plate are opposite in front and back, the air cylinder mounting seat is arranged on one side of the front fixed plate and one side of the rear fixed plate, the air cylinder movable seat is hinged to the air cylinder mounting seat, and the cylinder body of the air cylinder is mounted on the air cylinder movable seat; the middle parts of the two first connecting rods and the lower ends of the two second connecting rods are respectively and correspondingly rotatably connected with the front fixing plate and the rear fixing plate.

As a preferable scheme of the utility model, the through hole is provided with a second side edge which is up and down corresponding to the first side edge. When the film material is conveyed to the gap, the indentation line of the film material, the first side edge of the folded edge top film plate and the second side edge of the through hole in the supporting plate correspond up and down, so that one side of the indentation line of the film material is positioned on the supporting plate, the other side of the indentation line of the film material is positioned on the folded edge plate, and the folded edge plate is more convenient to fold the film material above the folded edge plate.

As a further preferable aspect of the present invention, an inclined surface is provided between an edge of the upper surface of the hem plate corresponding to the second side edge and the lower surface of the hem plate. When the hem board rises, the inclined plane can assist the hem board to promote the membrane material better, further improves the stability that the membrane material turned over.

As a preferable scheme of the utility model, the upper surface of the flanging plate is flush with the surface of the supporting plate. The upper surface of the flanging plate is flush with the surface of the supporting plate, so that the film can be folded in a horizontal state, and the folding precision of the film is improved.

As a preferable scheme of the utility model, the film pressing mechanism is arranged on the rear side of the flanging top film plate and comprises a film pressing cylinder and a film pressing plate, the cylinder body of the film pressing cylinder is arranged downwards, and the upper surface of the film pressing plate is connected with the piston rod of the film pressing cylinder. After the film material is turned over, the film pressing mechanism is adopted to press the film material, so that the turned-over part of the film material can be attached more, and the corners of the turned-over part are prevented from being upwarped.

Compared with the prior art, the utility model has the following advantages:

the lifting type film material folding device drives the folding plate to ascend and move to the position above the folding edge top film plate through the folding edge lifting driving mechanism, pushes the folding part of the film material to be folded upwards along the creasing line in the moving process of the folding plate, and finally turns the folding part on the folding edge top film plate, so that the film material is accurately folded along the creasing line, and the qualified rate of products is improved; and the other side film material of indentation line receives the limiting action of hem top film board in vertical direction owing to be in the clearance, can not receive the influence that the hem board removed.

Drawings

FIG. 1 is a schematic view of the structure of a book cover according to the present description;

FIG. 2 is a cross-sectional view taken along O-O in FIG. 1;

FIG. 3 is a schematic structural view of a preferred embodiment of the present invention;

FIG. 4 is a view of FIG. 3 in an oblique upward direction;

FIG. 5 is a schematic view of the hem plate of FIG. 3 as it rises;

FIG. 6 is a view of FIG. 5 in an oblique upward direction;

wherein, each is marked as: 1-supporting plate, 101-through hole, 102-second side edge, 2-folding top film plate, 201-first side edge, 3-folding mechanism, 301-folding plate, 311-inclined plane, 302-folding lifting driving mechanism, 321-front fixing plate, 322-rear fixing plate, 323-air cylinder movable seat, 324-air cylinder mounting seat, 325-air cylinder, 326-first connecting rod, 327-second connecting rod, 328-transmission shaft, 4-film pressing mechanism, 401-film pressing air cylinder, 402-film pressing plate, 1 ' -base film, 2 ' -inner film, 3 ' -base film folding part, 4 ' -heat sealing edge and 5 ' -adhesive tape.

Detailed Description

The following further describes the preferred embodiments of the present invention with reference to the accompanying drawings. For convenience of description, the conveying direction of the film material in the embodiment is from front to back, the through hole 101 in the embodiment is located on the left side of the hemming top film plate 2, and the part of the film material on the left side of the embossing line is folded.

As shown in fig. 3 to 6, the lifting type film material folding device comprises a supporting plate 1, a folding top film plate 2, a folding mechanism 3 and a film pressing mechanism 4; the edge-folding top film plate 2 is horizontally attached to the supporting plate 1, a gap (not marked in the figure) through which a film can pass is formed between the edge-folding top film plate 2 and the supporting plate 1, and the edge-folding top film plate 2 is provided with a first side edge 201 consistent with the conveying direction of the film; a through hole 101 is formed in the supporting plate 1 on the left side of the flanging top film plate 2, and a second side edge 102 which vertically corresponds to the first side edge 201 is formed in the through hole 101.

As shown in fig. 3 to 6, the folding mechanism 3 includes a folding plate 301 and a folding lifting driving mechanism 302 capable of driving the folding plate 301 to lift and move to above the folding top film plate 2, the folding plate 301 is mounted on a power output end of the folding lifting driving mechanism 302 and is located in the through hole 101, the folding plate 301 is matched with the through hole 101 in shape, an upper surface of the folding plate 301 is flush with a surface of the supporting plate 1, and an inclined surface 311 is arranged between an edge of the upper surface of the folding plate 301 corresponding to the second side edge 102 and a lower surface of the folding plate 301; the folding lifting driving mechanism 302 comprises a front fixing plate 321, a rear fixing plate 322, a cylinder movable seat 323, a cylinder mounting seat 324, a cylinder 325, two first connecting rods 326, two second connecting rods 327 and a transmission shaft 328; the front fixing plate 321 and the rear fixing plate 322 are opposite to each other in the front-back direction below the supporting plate 1, the cylinder mounting seat 324 is arranged on the right side of the front fixing plate 321 and the rear fixing plate 322, the cylinder movable seat 323 is hinged on the cylinder mounting seat 324, and the cylinder body of the cylinder 325 is arranged on the cylinder movable seat 323 in the left-right direction; a piston rod of the air cylinder 325 is hinged with the middle part of the transmission shaft 328, the front end and the rear end of the transmission shaft 328 are respectively and correspondingly fixedly connected with the lower ends of the two first connecting rods 326, the middle parts of the two first connecting rods 326 are respectively and correspondingly rotatably connected with the front fixing plate 321 and the rear fixing plate 322, and the upper ends of the two first connecting rods 326 are hinged with the lower surface of the folded plate 301; the two second connecting rods 327 are respectively and correspondingly arranged at the left sides of the two first connecting rods 326, the lower ends of the two second connecting rods 327 are respectively and correspondingly rotatably connected with the front fixing plate 321 and the rear fixing plate 322, and the upper ends of the two second connecting rods 327 are hinged with the lower surface of the folded plate 301.

Before the film material reaches the folding top film plate 2, a pressing wheel and the like are used for pressing a crease line on the film material along the length direction of the film material, the first side edge 201 of the folding top film plate 2 corresponds to the position of the crease line, and the crease line is used as a folding line for folding the film material. When the film is conveyed to the film folding device, the film is positioned in a gap between the folding top film plate 2 and the supporting plate 1, the crease line of the film is completely aligned with the first side edge 201 of the folding top film plate 2, and the part of the film to be folded is positioned on the folding plate 301. When the folding is carried out, the cylinder 325 pushes the transmission shaft 328 to swing downwards, meanwhile, the cylinder body swings downwards, the lower ends of the two first connecting rods 326 correspondingly move downwards, and the middle parts of the first connecting rods 326 are rotatably connected to the bracket, so that the upper ends of the first connecting rods 326 move upwards, the folding plate 301 rises, the folding plate 301 is overturned upwards against the membrane material, and meanwhile, the two second connecting rods 327 also rotate upwards under the driving of the folding plate 301; with the pushing of the air cylinder 325, the lower end of the first connecting rod 326 descends to the lowest point along with the transmission shaft 328 and then ascends, at this time, the folding plate 301 passes through the highest point and then moves downwards to the upper part of the folding top film plate 2, the folding part of the film material is pushed to be turned upwards along the pressing line, and finally the cover is turned over on the folding top film plate 2, so that the film material is turned over under the pushing of the folding plate 301; and the other side film material of the indentation line is subjected to the limiting action of the flanging top film plate 2 in the vertical direction due to the position in the gap, and cannot be influenced by the movement of the flanging plate 301.

As shown in fig. 3 to 6, the film pressing mechanism 4 is disposed at the rear side of the folding top film plate 2, the film pressing mechanism 4 includes a film pressing cylinder 401 and a film pressing plate 402, the cylinder body of the film pressing cylinder 401 is disposed downward, and the upper surface of the film pressing plate 402 is connected with the piston rod of the film pressing cylinder 401. After the film material is turned over, the film material is pressed down by the film pressing mechanism 4, so that the turned-over part of the film material can be attached more, and the corners of the turned-over part are prevented from being upwarped.

In addition, it should be noted that the names of the parts and the like of the embodiments described in the present specification may be different, and the equivalent or simple change of the structure, the characteristics and the principle described in the present patent idea is included in the protection scope of the present patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims (9)

1. The utility model provides a over-and-under type membrane material turns over a device, includes layer board and turns over a mechanism, its characterized in that: the edge-folding top film plate is horizontally attached to the supporting plate, and a gap through which the film material can pass is formed between the edge-folding top film plate and the supporting plate; the edge-folding top film plate is provided with a first side edge consistent with the conveying direction of the film material, and a through hole is formed in one side of the edge-folding top film plate on the supporting plate; the folding mechanism comprises a folding plate and a folding lifting driving mechanism capable of driving the folding plate to lift and move to the position above the folding top film plate, the folding plate is installed on the power output end of the folding lifting driving mechanism and is located in the through hole, and the shape of the folding plate is matched with that of the through hole.

2. The lifting type film material folding device according to claim 1, wherein: the flanging lifting driving mechanism comprises a bracket, a cylinder and a first connecting rod; the support is arranged below the supporting plate, the cylinder body of the air cylinder is arranged on the support in the left-right direction, and the tail end of the cylinder body of the air cylinder is hinged with the support; the lower end of the first connecting rod is hinged to a piston rod of the air cylinder, the middle of the first connecting rod is rotatably connected with the support, and the upper end of the first connecting rod is hinged to the lower surface of the flanging plate.

3. The lifting type film material folding device according to claim 2, wherein: the flanging lifting driving mechanism also comprises a second connecting rod, and the second connecting rod is positioned on the left side or the right side of the first connecting rod; the lower end of the second connecting rod is rotatably connected with the bracket, and the upper end of the second connecting rod is hinged with the lower surface of the flanging plate.

4. The lifting type film material folding device according to claim 3, wherein: the flanging lifting driving mechanism also comprises a transmission shaft, the number of the first connecting rods and the number of the second connecting rods are two, and the two first connecting rods and the two second connecting rods are respectively arranged in the front-back direction; and a piston rod of the air cylinder is hinged with the middle part of the transmission shaft, and the front end and the rear end of the transmission shaft are respectively and correspondingly fixedly connected with the lower ends of the two first connecting rods.

5. The lifting type film material folding device according to claim 4, wherein: the bracket comprises a front fixed plate, a rear fixed plate, an air cylinder movable seat and an air cylinder mounting seat; the front fixed plate and the rear fixed plate are opposite in front and back, the air cylinder mounting seat is arranged on one side of the front fixed plate and one side of the rear fixed plate, the air cylinder movable seat is hinged to the air cylinder mounting seat, and the cylinder body of the air cylinder is mounted on the air cylinder movable seat; the middle parts of the two first connecting rods and the lower ends of the two second connecting rods are respectively and correspondingly rotatably connected with the front fixing plate and the rear fixing plate.

6. The lifting type film material folding device according to claim 1, wherein: the through hole is provided with a second side edge which vertically corresponds to the first side edge.

7. The lifting type film material folding device according to claim 6, wherein: an inclined plane is arranged between the edge corresponding to the second side edge and the upper surface of the flanging plate.

8. The lifting type film material folding device according to claim 1, wherein: the upper surface of the flanging plate is flush with the surface of the supporting plate.

9. The lifting type film material folding device according to claim 1, wherein: the rear side of hem top diaphragm plate is equipped with press mold mechanism, and press mold mechanism includes press mold cylinder and press mold board, and the cylinder body of press mold cylinder sets up down, and the upper surface of press mold board is connected with the piston rod of press mold cylinder.

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