CN219028725U

CN219028725U - Film folding mechanism for film bag making machine

Info

Publication number: CN219028725U
Application number: CN202223247551.7U
Authority: CN
Inventors: 邓雷; 蔡雷垚; 刘通海
Original assignee: CHENGDU JINGWEI MACHINE-MAKING CO LTD
Current assignee: CHENGDU JINGWEI MACHINE-MAKING CO LTD
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-16
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a film folding mechanism for a film bag making machine, relates to the technical field of film bag making machines, and is mainly used for solving the problem that after the existing film bag making machine is operated for a period of time, the path of a film entering the folding mechanism is slightly changed, so that the bag opening of a formed bag body is asymmetric. The main structure is as follows: including two drive connecting rods, the one end and the film folding plate of two drive connecting rods are connected, and the other end is connected with the connecting rod installation pole, and the film is vertical to be equipped with the folding groove on the folding plate face, and connecting rod installation pole is kept away from drive connecting rod one side and is connected with the drive assembly who is used for driving connecting rod installation pole along its self extending direction and along drive connecting rod extending direction removal. The film folding mechanism for the film bag making machine provided by the utility model can freely adjust the positions of the film folding plates in the horizontal direction according to the change of the input path of the film, thereby avoiding the problem of asymmetric bag openings of formed bag bodies.

Description

Film folding mechanism for film bag making machine

Technical Field

The utility model relates to the technical field of film bag making machines, in particular to a film folding mechanism for a film bag making machine.

Background

At present, film packaging bags are mostly processed by adopting a full-automatic bag making machine, wherein a folding mechanism is a device for folding a single-layer film into a double-layer film to form a bag body structure, and is also the most basic structure in the full-automatic bag making machine. At present, a common folding mechanism on the market usually adopts a triangular frame structure to fold a film directly, such as a folding mechanism of a bag making machine provided by Chinese patent application publication No. CN202296535U, and is provided with an equilateral right triangular pyramid, two truncated cones, a film clamping guide roller, an isosceles right triangular frame and a film smoothing guide roller; the equilateral straight triangular pyramid is arranged at the entrance of the film, the right angle edges of the equilateral straight triangular pyramid are positioned on the horizontal plane, and the bottom edges of the equilateral straight triangular pyramid and the opposite surfaces of the right angle edges are positioned on the horizontal plane; the two truncated cones are respectively arranged on two right angle surfaces of the equilateral straight triangular pyramid, the conical surfaces of the truncated cones are tangent to the right angle surfaces of the equilateral straight triangular pyramid, and the bottom surfaces of the truncated cones are positioned on one side of the right angle edges of the equilateral straight triangular pyramid; the film clamping guide roller is vertically arranged behind the equilateral straight triangular pyramid; the tangent line of the isosceles right triangle frame and the film clamping guide roller is on the same plane; the film-following guide roller is arranged in parallel with the edge on the horizontal plane of the isosceles right triangle frame.

Although the proposal of directly adopting the triangle frame structure to fold the film has the advantages of simple structure and convenient use. However, because the film lacks the reason to film tension and frictional force before the fifty percent discount, after long-time work, can make the route of entering the film of fifty percent discount mechanism appear slight change to cause the film crease to produce some deviation, and then lead to the sack asymmetry of the shaping bag body, influence the quality and the pleasing to the eye of product.

Disclosure of Invention

The utility model aims to provide a film doubling-up mechanism for a film bag making machine, which can freely adjust the positions of film doubling-up plates in the horizontal direction according to the change of the input path of a film, thereby avoiding the problem of asymmetric bag openings of formed bag bodies.

In order to achieve the above purpose, the utility model provides a film folding mechanism for a film bag making machine, which comprises two driving connecting rods which are horizontally arranged and sequentially arranged in parallel along the horizontal direction, wherein one end of each driving connecting rod is connected with a vertically arranged film folding plate, the other end of each driving connecting rod is connected with a horizontally arranged connecting rod mounting rod, folding grooves are vertically formed in the plate surface of one side, far away from the driving connecting rod, of the film folding plate, and one side, far away from the driving connecting rod, of each connecting rod mounting rod is connected with a driving assembly for driving the connecting rod mounting rod to move along the extending direction of the driving connecting rod and along the extending direction of the driving connecting rod.

As a further improvement of the utility model, the driving assembly comprises two fixing plates which are vertically arranged and have opposite plate surfaces, a first adjusting screw rod which is vertical to the plate surfaces of the fixing plates and is rotationally connected with the two fixing plates at two ends is arranged between the two fixing plates, and a mounting block which is in threaded fit with the first adjusting screw rod is arranged on the first adjusting screw rod;

the installation block is horizontally provided with a second adjusting screw rod which is perpendicular to the extending direction of the first adjusting screw rod and penetrates through the installation block, the second adjusting screw rod is in threaded fit with the installation block, two ends of the second adjusting screw rod are respectively connected with one side plate surface of a vertically arranged movable top plate in a rotating mode, and the other side plate surface of the movable top plate is fixedly connected with one side, far away from the driving connecting rod, of the connecting rod installation rod.

As a further improvement of the utility model, a first guide rod which is vertical to the surface of the fixed plate and the two ends of which are respectively and fixedly connected with the two fixed plates is also arranged between the two fixed plates, and the first guide rod penetrates through the mounting block and is in sliding fit with the mounting block.

As a further improvement of the utility model, the first guide rods are two, and the two first guide rods are respectively arranged at two sides of the first adjusting screw rod.

As a further improvement of the utility model, the mounting block is also horizontally provided with a second guide rod which is vertical to the extending direction of the first adjusting screw rod and penetrates through the mounting block, the second guide rod is in sliding fit with the mounting block, and two ends of the second guide rod are fixedly connected with one side plate surfaces of two movable top plates respectively.

As a further improvement of the utility model, the two second guide rods are arranged on two sides of the second adjusting screw rod respectively.

As a further improvement of the utility model, one end of the first adjusting screw rod penetrates through the fixed plate to be connected with a hand wheel, and one end of the second adjusting screw rod, which is far away from the connecting rod mounting rod, penetrates through the movable top plate to be connected with the hand wheel.

As a further improvement of the utility model, the plate surface of one side of the film folding plate, which is close to the driving connecting rods, is provided with a folding plate mounting rod which is connected with the two driving connecting rods.

As a further improvement of the utility model, two folding plate mounting rods are respectively arranged at two sides of the extending direction of the folding groove, and the two folding plate mounting rods are respectively connected with the two driving connecting rods.

As a further improvement of the utility model, the folding plate mounting rod is an L-shaped piece, the vertical part of the folding plate mounting rod is fixedly connected with the film folding plate, and the transverse part of the folding plate mounting rod is fixedly connected with the driving connecting rod.

Compared with the prior art, the film folding mechanism for the film bag making machine has the advantages that:

1. in the folding mechanism, the folding groove is arranged along the vertical direction, and the connecting rod installation rod and the driving connecting rod are horizontally arranged and mutually vertical in the extending direction. The horizontal position of the folding slot, i.e. the horizontal position of the inlet end and the outlet end of the folding slot can be adjusted by using a driving component which can drive the connecting rod installation rod to move along the extending direction of the connecting rod installation rod and the extending direction of the driving connecting rod. Therefore, even if the path of the film entering the doubling mechanism is slightly changed, the staff can timely adjust the horizontal position of the doubling groove according to the actual situation, so that the problem of asymmetric bag openings of the formed bag body caused by deviation of film folds is avoided. This ensures the quality and the esthetic appearance of the product.

2. The staff can make the installation piece with its screw thread complex along the extending direction horizontal migration of first adjusting screw through rotating first adjusting screw. Simultaneously, the staff can make the second adjusting screw rod with installation piece screw thread complex extend along its self extending direction level flexible through rotating the second adjusting screw rod. Therefore, the movable top plate can move along two mutually perpendicular horizontal directions, namely, the connecting rod installation rod can be driven to move along the self extending direction and the extending direction of the driving connecting rod, so that the horizontal position of the doubling-over groove can be adjusted. Therefore, through the driving assembly, the position of the film to the folded plate can be freely adjusted in the horizontal direction according to the change of the input path of the film, so that the problem of asymmetry of the bag opening of the formed bag body is avoided. Meanwhile, the driving assembly is driven through threaded fit, so that the adjustment precision of the doubling groove can be guaranteed.

3. Through setting up first guide bar and second guide bar, can guide the travel path, guarantee that the movable roof can follow two mutually perpendicular's horizontal direction and remove to guarantee the horizontal position of accurate adjustment doubling groove.

4. Through setting up the hand wheel, the staff can very convenient rotation first adjusting screw and second adjusting screw for this mechanism convenient operation.

The utility model will become more apparent from the following description taken in conjunction with the accompanying drawings which illustrate embodiments of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is one of the perspective views of the present utility model;

FIG. 2 is a second perspective view of the present utility model;

FIG. 3 is a left side cross-sectional view of the drive assembly of the present utility model;

fig. 4 is a top cross-sectional view of the drive assembly of the present utility model.

Wherein: 1-film pair flaps; 11-folding the groove; 2-doubling the plate mounting bar; 3-driving a connecting rod; 4-a connecting rod mounting rod; 5-a fixing plate; 51-a first adjusting screw; 52-a first guide bar; 6-mounting blocks; 7-a movable top plate; 71-a second adjusting screw; 72-a second guide bar; 8-a hand wheel.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, "plurality" means at least 3.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiments of the present utility model will now be described with reference to the accompanying drawings.

Examples

The specific embodiment of the utility model is shown in figures 1-4, and the film folding mechanism for the film bag making machine comprises two driving connecting rods 3 which are horizontally arranged and sequentially and parallelly arranged along the horizontal direction, wherein one end of each driving connecting rod 3 is connected with a vertically arranged film folding plate 1, and the other end of each driving connecting rod is connected with a horizontally arranged connecting rod mounting rod 4. A folding groove 11 is vertically arranged on the plate surface of one side of the film folding plate 1, which is far away from the driving connecting rod 3. The side of the connecting rod mounting rod 4 away from the driving connecting rod 3 is connected with a driving component for driving the connecting rod mounting rod 4 to move along the extending direction of the connecting rod mounting rod and along the extending direction of the driving connecting rod 3. In this embodiment, the cross section of the folding groove 11 on the film folding plate 1 is in a U shape, which is mainly used for folding a single film into a double film to form a bag structure, so as to facilitate the subsequent sealing process of the film packaging bag.

When this apparatus is used, it is necessary to provide the film folding plate 1 on the film conveying path and to provide the folding groove 11 in the film conveying direction. Meanwhile, the driving component is fixedly arranged on the automatic bag making machine and is connected with the film folding plate 1 through the connecting rod mounting rod 4 and the driving connecting rod 3. In the present embodiment, the folding groove 11 is disposed along the vertical direction, and the link mounting rod 4 and the driving link 3 are disposed horizontally and extend in the direction perpendicular to each other.

The horizontal position of the folding groove 11, i.e., the horizontal position of the inlet end and the outlet end thereof, can be adjusted by a driving assembly capable of driving the link mounting lever 4 to move in its own extending direction and in the extending direction of the driving link 3. Therefore, even if the path of the film entering the doubling mechanism is slightly changed, the staff can timely adjust the horizontal position of the doubling groove 11 according to the actual situation, so that the problem of asymmetric bag openings of the formed bag body caused by deviation of film folds is avoided. This ensures the quality and the esthetic appearance of the product.

Wherein, the drive assembly includes two fixed plates 5 that vertical setting and face are relative. The upper surfaces of the two fixing plates 5 are provided with a counter bore vertically penetrating through the fixing plates 5. By installing the fixing screw in the counter bore, the fixing plate 5 can be fixedly installed on the automatic bag making machine. Meanwhile, a first adjusting screw 51 perpendicular to the plate surface of the fixed plate 5 and rotatably connected with the two fixed plates 5 is arranged between the two fixed plates 5. The first adjusting screw 51 is provided with a mounting block 6 which is in threaded engagement therewith. The mounting block 6 is horizontally provided with a second adjusting screw 71 which is perpendicular to the extending direction of the first adjusting screw 51 and penetrates through the mounting block 6. The second adjusting screw 71 is in threaded fit with the mounting block 6, and two ends of the second adjusting screw 71 are respectively and rotatably connected with one side plate surface of a vertically arranged movable top plate 7. And the other side plate surface of one movable top plate 7 is fixedly connected with one side of the connecting rod installation rod 4, which is far away from the driving connecting rod 3. In this embodiment, in order to install the first adjusting screw 51 and the second adjusting screw 71, installation bearings are provided on the plate surfaces of the fixed plate 5 and the movable top plate 7.

In use, a worker can move the mounting block 6 threadedly engaged with the first adjusting screw 51 horizontally in the extending direction of the first adjusting screw 51 by rotating the first adjusting screw 51. At the same time, the worker can horizontally expand and contract the second adjusting screw 71 screw-fitted with the mounting block 6 in its own extending direction by rotating the second adjusting screw 71. Thus, the movable top plate 7 can be moved in two mutually perpendicular horizontal directions, i.e., the link mounting lever 4 can be driven to move in its own extending direction and in the extending direction of the drive link 3, so that the horizontal position of the folding slot 11 can be adjusted. Therefore, through the driving assembly, the position of the film to the folded plate 1 can be freely adjusted in the horizontal direction according to the change of the input path of the film, so that the problem of asymmetry of the bag opening of the formed bag body is avoided. Meanwhile, the driving assembly is driven by screw thread fit, so that the adjustment precision of the doubling-up groove 11 can be ensured.

Meanwhile, a first guide rod 52 perpendicular to the surface of the fixed plate 5 and fixedly connected with the two fixed plates 5 is arranged between the two fixed plates 5. The first guide rod 52 is disposed through the mounting block 6 and is in sliding fit with the mounting block 6. Moreover, in order to facilitate the sliding of the mounting block 6, a sliding sleeve is sleeved on the first guide rod 52. By providing the first guide bar 52, the moving path of the mounting block 6 can be guided, and further, the movable top plate 7 can be ensured to move in a horizontal direction, thereby ensuring accurate adjustment of the horizontal position of the folding slot 11.

In this embodiment, there are two first guide rods 52, and the two first guide rods 52 are respectively disposed at two sides of the first adjusting screw 51. The first guide rod 52 is at the same level as the first adjusting screw 51.

The mounting block 6 is also horizontally provided with a second guide rod 72 which is perpendicular to the extending direction of the first adjusting screw 51 and penetrates the mounting block 6. The second guide rod 72 is in sliding fit with the mounting block 6, and two ends of the second guide rod 72 are fixedly connected with one side plate surface of the two movable top plates 7 respectively. In addition, in order to facilitate the extension and retraction of the second guide rod 72, a sliding sleeve is also sleeved on the second guide rod 72. By providing the second guide bar 72, the moving path of the movable top plate 7 can be guided from the other horizontal direction, thereby ensuring that the movable top plate 7 can move in the other horizontal direction, and further ensuring that the horizontal position of the folding slot 11 is accurately adjusted.

In this embodiment, there are two second guide rods 72, and the two second guide rods 72 are disposed on two sides of the second adjusting screw 71 respectively. The second guide bar 72 is at the same level as the second adjustment screw 71.

Regarding the rotation of the first adjusting screw 51 and the second adjusting screw 71, one end of the first adjusting screw 51 is connected to a hand wheel 8 through the fixed plate 5, and one end of the second adjusting screw 71 remote from the link mounting lever 4 is connected to the hand wheel 8 through the movable top plate 7. By arranging the hand wheel 8, the first adjusting screw 51 and the second adjusting screw 71 can be very conveniently rotated by a worker, so that the mechanism is convenient to operate.

In addition, regarding the film folding plate 1, a folding plate mounting rod 2 is provided on the plate surface on the side close to the driving connecting rod 3, and is connected with the two driving connecting rods 3. Specifically, two folding plate mounting rods 2 are respectively arranged at two sides of the extending direction of the folding groove 11, and the two folding plate mounting rods 2 are respectively connected with the two driving connecting rods 3.

In this embodiment, the folding plate mounting rod 2 is an L-shaped member, the vertical portion of the folding plate mounting rod is fixedly connected with the film folding plate 1 through a plurality of fixing screws, and the transverse portion of the folding plate mounting rod is fixedly connected with the driving connecting rod 3 through the fixing screws.

The utility model has been described in connection with the preferred embodiments, but the utility model is not limited to the embodiments disclosed above, but it is intended to cover various modifications, equivalent combinations according to the essence of the utility model.

Claims

1. Film folding mechanism for film bag machine, its characterized in that, including two level settings and along drive connecting rod (3) of horizontal direction parallel arrangement in proper order, two the one end of drive connecting rod (3) is connected to folded plate (1) with a film of vertical setting, and the other end is connected with connecting rod installation pole (4) that the level set up, the film is kept away from on the face of drive connecting rod (3) one side to folded plate (1) and is vertically equipped with folding groove (11), drive connecting rod (3) one side is kept away from to connecting rod installation pole (4) is connected with the drive assembly who is used for driving connecting rod installation pole (4) along its self extending direction and along drive connecting rod (3) extending direction removal.

2. The film doubling-back mechanism for the film bag making machine according to claim 1, wherein the driving assembly comprises two fixing plates (5) which are vertically arranged and have opposite plate surfaces, a first adjusting screw (51) which is perpendicular to the plate surfaces of the fixing plates (5) and is respectively connected with the two fixing plates (5) at two ends is arranged between the two fixing plates (5), and a mounting block (6) which is in threaded fit with the first adjusting screw (51) is arranged on the first adjusting screw;

the installation block (6) is horizontally provided with a second adjusting screw (71) which is perpendicular to the extending direction of the first adjusting screw (51) and penetrates through the installation block (6), the second adjusting screw (71) is in threaded fit with the installation block (6), two ends of the second adjusting screw (71) are respectively connected with one side plate surface of a vertically arranged movable top plate (7) in a rotating mode, and the other side plate surface of the movable top plate (7) is fixedly connected with one side, away from the driving connecting rod (3), of the connecting rod installation rod (4).

3. The film doubling-back mechanism for the film bag making machine according to claim 2, wherein a first guide rod (52) which is perpendicular to the plate surface of the fixing plate (5) and is fixedly connected with the two fixing plates (5) at two ends is further arranged between the two fixing plates (5), and the first guide rod (52) penetrates through the mounting block (6) and is in sliding fit with the mounting block (6).

4. A film folding mechanism for a film bag making machine according to claim 3, wherein the number of the first guide rods (52) is two, and the two first guide rods (52) are respectively arranged at two sides of the first adjusting screw (51).

5. The film folding mechanism for a film bag making machine according to claim 2, 3 or 4, wherein the mounting block (6) is further horizontally provided with a second guide rod (72) perpendicular to the extending direction of the first adjusting screw (51) and penetrating through the mounting block (6), the second guide rod (72) is in sliding fit with the mounting block (6), and two ends of the second guide rod (72) are fixedly connected with one side plate surface of two movable top plates (7) respectively.

6. The film folding mechanism for a film bag making machine according to claim 5, wherein two second guide bars (72) are provided, and the two second guide bars (72) are respectively provided at both sides of the second adjusting screw (71).

7. Film doubling-back mechanism for film bag making machine according to claim 2, characterized in that one end of the first adjusting screw (51) penetrates through the fixing plate (5) to be connected with a hand wheel (8), and one end of the second adjusting screw (71) far away from the connecting rod mounting rod (4) penetrates through the movable top plate (7) to be connected with the hand wheel (8).

8. The film folding mechanism for the film bag making machine according to claim 1, wherein a folding plate mounting rod (2) is arranged on the plate surface of one side of the film folding plate (1) close to the driving connecting rods (3) and is connected with the two driving connecting rods (3).

9. The film folding mechanism for a film bag making machine according to claim 8, wherein two folding plate mounting rods (2) are respectively arranged at two sides of the extending direction of the folding groove (11), and the two folding plate mounting rods (2) are respectively connected with the two driving connecting rods (3).

10. Film folding mechanism for film bag making machine according to claim 8 or 9, characterized in that the folding plate mounting bar (2) is an L-shaped piece, the vertical part of which is fixedly connected with the film folding plate (1), and the transverse part of which is fixedly connected with the driving connecting bar (3).