Packing bag film production pressing device

Abstract

The utility model discloses a packaging bag film production pressing device which comprises a center connecting frame, and a plurality of film pressing mechanisms are assembled and connected to the center connecting frame. The film pressing mechanism comprises a sliding adjusting seat assembled and connected to the center connecting frame, film pressing assemblies symmetrically arranged on the two sides are assembled and connected to the sliding adjusting seat, each film pressing assembly comprises a long adjusting rod, a film pressing wheel frame is assembled and connected to the outer end of each long adjusting rod, and a plurality of pressing wheels are assembled and connected to each film pressing wheel frame; the angle of the long adjusting rod is adjusted through an angle adjusting structure, the angle adjusting structure comprises a fixed seat fixedly connected to the sliding adjusting seat, a hinge ball is hinged to the fixed seat, and the long adjusting rod is fixedly connected to the hinge ball; and the fixed seat is in threaded connection with a screw rod for locking the hinge ball. According to the device, film materials can be stably conveyed in the packaging bag machining process, and the technical problems that the film materials are prone to losing tension, and consequently deviation, edge curling, folding and the like of the film materials are caused are effectively solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of packaging bag processing, in particular to a packaging bag film production pressing device. Background Art

[0002] Packaging bags are mainly used to package goods, such as food packaging bags for packaging food. According to the different packaging functions of packaging bags, they can be divided into outer packaging bags and inner packaging bags. For example, the inner packaging bag for packaging food is different from the outer packaging bag and is processed with food-grade packaging film.

[0003] Specifically, since the inner packaging bag is located inside the outer packaging, its main function is to further protect the product and prevent the product from being affected by moisture, contamination, etc., and even if the outer packaging bag is damaged, the inner packaging bag can still isolate the product from the external environment, thereby playing a protective role.

[0004] During the production process, after the packaging bag is unwound from the coiling equipment, it is transported along the production line of the processing equipment to the target processing station, such as the cutting station. Since the packaging bag is light and thin, it is greatly affected by the airflow in the workshop. If the workshop generates unstable airflow, it is easy to change the movement trajectory of the packaging bag transported over a long distance.

[0005] Therefore, on production equipment, the packaging bag is often pressed by a limiting structure such as a limiting rod. However, in actual use, if the packaging bag is not stretched enough during transportation, it cannot contact the limiting rod. Therefore, in the production process, if the distance between the film transported over a long distance and the limiting rod is too large, it is still easy to cause defects such as edge warping, edge folding, deviation, and folding of the packaging bag film, which will lead to the inability to maintain the correct posture for transportation.

[0006] Therefore, in the production process, relying solely on limit rods and other limit mechanical structures is obviously unable to cope with the above-mentioned problems arising in the production process, especially when the production line is long and the transportation distance is long. Utility Model Content

[0007] Based on the above background, the purpose of the utility model is to provide a material pressing device for producing packaging bag films.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] A packaging bag film production pressing device comprises a central connecting frame, on which a plurality of film pressing mechanisms are assembled and connected;

[0010] The film pressing mechanism comprises a sliding adjustment seat assembled and connected to a central connecting frame, the sliding adjustment seat is assembled and connected to film pressing assemblies symmetrically arranged on both sides, the film pressing assembly comprises a long adjustment rod, the outer end of the long adjustment rod is assembled and connected to a film pressing wheel frame, and the film pressing wheel frame is assembled and connected to a plurality of pressing wheels;

[0011] The long adjustment rod adjusts the angle through an angle adjustment structure, and the angle adjustment structure includes a fixed seat fixedly connected to the sliding adjustment seat, and a hinge ball is hinged on the fixed seat, and the long adjustment rod is fixedly connected to the hinge ball;

[0012] The fixing seat is threadedly connected with a screw rod for locking the hinge ball;

[0013] The film pressing wheel frame is fixedly connected with a horizontal adjustment screw, and the pressing wheel is slidably connected with the horizontal adjustment screw;

[0014] The horizontal adjustment screw rod is threadedly connected with a plurality of pairs of adjustment nuts positioned on both sides of the pressure wheel.

[0015] Preferably, the pressing wheel comprises a pressing wheel frame, and the pressing wheel frame is slidably assembled on the horizontal adjustment screw;

[0016] The pressure wheel frame is equipped with a rotating wheel.

[0017] Preferably, the central connecting frame includes a horizontal connecting rod assembled and connected to the film pressing mechanism and a mounting U-shaped plate welded to both ends of the horizontal connecting rod.

[0018] Preferably, the sliding adjustment seat is slidably connected to the horizontal connecting rod;

[0019] The horizontal connecting rod is threadedly connected with a plurality of pairs of adjusting nuts positioned to adjust the sliding adjustment seat.

[0020] Preferably, a spring frame mechanism is fixedly connected to the sliding adjustment seat, and the film pressing assembly swings elastically through the spring frame mechanism.

[0021] Preferably, the spring frame mechanism comprises a pick plate mounted at a top position of the sliding adjustment seat;

[0022] The front and rear ends of the pick plate are respectively fixedly connected with a plurality of swing springs, and the swing springs are fixedly connected to the film pressing wheel frame.

[0023] Preferably, two swing springs arranged in a V-shape on the left and right are fixedly connected to the front and rear ends of the lifting plate respectively;

[0024] The two ends of the swing spring are respectively fixedly connected to the bottom of the pick plate and the top edge of the film pressing wheel frame.

[0025] Preferably, the top of the sliding adjustment seat is fixedly connected to a lower vertical column, and the top of the lower vertical column is fixedly connected to an upper connecting screw;

[0026] The lifting plate is fixedly mounted on the upper connecting screw rod.

[0027] Preferably, the film pressing wheel frame is equipped with 3-10 pressing wheels arranged at intervals.

[0028] The utility model has the following beneficial effects:

[0029] 1. During the working process, loosen the adjusting nut to adjust the micro-distance between the pressure wheels to ensure that the pressure wheels can be tensioned and pressed onto the film. This ensures that the pressure wheels can accurately press the material onto the film, such as the side edge of the film to prevent curling, and the middle and side positions to prevent folding and deviation.

[0030] 2. During the working process, the screw on the sliding adjustment seat is in a relaxed state. At this time, the long adjustment rod is in a free state. When the film material pushes the pressure wheel upward, the swing spring stretches upward under the pushing force. At this time, the pressure wheel is slightly lifted upward. On the contrary, when the film material moves downward, the pressure wheel is slightly pressed downward under gravity, and the swing spring is stretched. In this way, in the production process, especially for the film material with relatively good strength, the film material is always pressed and tensioned according to the movement state of the film material in the above way, thereby avoiding the film material from losing contact pressure and tension, resulting in its displacement, curling and other problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0032] Figure 1 It is a schematic diagram of the overall structure in an embodiment of the utility model;

[0033] Figure 2 This is a schematic diagram of the structure of the pressure wheel in the embodiment of the utility model;

[0034] Figure 3 For the utility model embodiment Figure 1 Right view in;

[0035] Figure 4 For the utility model embodiment Figure 1 Schematic diagram of the structure from another perspective.

[0036] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0039] In addition, in the present utility model, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0040] Example 1

[0041] like Figure 1-4 As shown, a packaging bag film production pressing device includes a central connecting frame 1 (the specific structure of the central connecting frame 1 is: the central connecting frame 1 includes a horizontal connecting rod assembled and connected to the film pressing mechanism and a mounting U-shaped plate welded at both ends of the horizontal connecting rod. According to the existing conventional method, the central connecting frame 1 is installed horizontally on the transmission frame by installing a U-shaped plate-screw structure), and a plurality of film pressing mechanisms 2 are assembled and connected to the central connecting frame 1.

[0042] The film pressing mechanism 2 is used to adjustably tension and limit the film of the packaging bag being transported, so as to avoid technical problems such as curling, folding, and deviation of the film during the transport process.

[0043] The details are as follows:

[0044] The film pressing mechanism 2 includes a sliding adjustment seat 26 assembled and connected to the central connecting frame 1, and the sliding adjustment seat 26 is assembled and connected with film pressing assemblies symmetrically arranged on both sides, and the film pressing assembly includes a long adjustment rod 22, and the outer end of the long adjustment rod 22 is assembled and connected with a film pressing wheel frame 21, and the film pressing wheel frame 21 is assembled and connected with three pressing wheels 24. Specifically, a horizontal adjustment screw 23 is fixedly connected to the film pressing wheel frame 21, and the pressing wheel 24 is slidably connected to the horizontal adjustment screw 23; and a plurality of pairs of adjustment nuts 231 positioned on both sides of the pressing wheel 24 are threadedly connected to the horizontal adjustment screw 23.

[0045] During operation, the adjusting nut 231 is loosened to adjust the micro-distance between the pressing wheels 24, ensuring that the pressing wheels 24 can be tensioned and pressed onto the film, thereby ensuring that the pressing wheels 24 can accurately press the material onto the film, such as the side edge of the film to prevent curling, and the middle and side positions to prevent folding and deviation.

[0046] Specifically, the pressure wheel 24 includes a pressure wheel 24 frame, and the pressure wheel 24 frame is slidably assembled on the horizontal adjustment screw 23; the pressure wheel frame is assembled and connected with a rotating wheel.

[0047] During the pressing process, the tensioning force is adjusted according to the strength of the membrane material and its looseness, as follows: the long adjusting rod 22 adjusts the angle through the angle adjusting structure, and the angle adjusting structure includes a fixed seat 25 fixedly connected to the sliding adjustment seat 26, and a hinge ball is hinged on the fixed seat 25, and the long adjusting rod 22 is fixedly connected to the hinge ball; a screw 251 for locking the hinge ball is threadedly connected to the fixed seat 25.

[0048] Specifically, after loosening the screw rod 251, the long adjusting rod 22 is adjusted upward or downward to change the pressing force of the pressing wheel 24. For example, when the slack is relatively large, the long adjusting rod 22 is adjusted downward to increase the contact pressure tensioning force.

[0049] On the contrary, adjusting upward reduces the tension. During the pressure process, the friction of the film material causes the rotating wheel to roll, thereby protecting the film material. Under rolling friction, the film material is not easily damaged and the transmission is smooth.

[0050] Example 2

[0051] like Figure 1-4 As shown, in this embodiment, based on the structure of embodiment 1, the sliding adjustment seat 26 is slidably connected to the horizontal connecting rod; the horizontal connecting rod is threadedly connected with a plurality of pairs of adjustment nuts positioned to adjust the sliding adjustment seat 26.

[0052] During the working process, the adjusting nut is loosened to achieve a wide range of adjustment of the sliding adjustment seat 26-film pressing assembly, so as to adjust according to the film width. If the film width is large, the spacing is increased to ensure that the film can be fully resisted.

[0053] Example 3

[0054] like Figure 1-4 As shown, this embodiment is based on the structure of the embodiment 1. In the process of producing and transmitting film materials, when the mechanical strength of the film materials is relatively large (high-quality film materials), in order to maintain the smooth transmission of the film materials during the transmission process and avoid excessive changes in position, such as height position, a spring frame mechanism fixedly connected to the sliding adjustment seat 26 is used to achieve elastic material pressing. For example, when the film material has an upward movement trend, the pressure wheel 24 is elastically lifted up, and vice versa, when the film material has a downward movement trend, the pressure wheel 24 is elastically pressed down, thereby achieving elastic adjustment of the tension of the film material according to the movement state of the film material.

[0055] Specifically, the spring frame mechanism includes a lifting plate 3 installed at the top position of the sliding adjustment seat 26 (the installation method is: the top of the sliding adjustment seat 26 is fixedly connected with a lower vertical column, and the top of the lower vertical column is fixedly connected with an upper connecting screw; the lifting plate 3 is fixedly installed on the upper connecting screw).

[0056] At the same time, two rocking springs 31 are fixedly connected to the front and rear ends of the pick plate 3 respectively (the two rocking springs 31 are arranged in a V shape, and the fixing method is: the two ends of the rocking spring 31 are fixedly connected to the bottom of the pick plate 3 and the top edge of the film pressing wheel frame 21 respectively), and the rocking spring 31 is fixedly connected to the film pressing wheel frame 21.

[0057] During operation, the screw on the sliding adjustment seat 26 is in a relaxed state, at which time the long adjustment rod 22 is in a free state. When the film material pushes the pressing wheel 24 upward, the rocking spring 31 is stretched upward under the pushing force, at which time the pressing wheel 24 is slightly lifted upward. On the contrary, when the film material moves downward, the pressing wheel 24 is slightly pressed downward under gravity, and the rocking spring 31 is stretched. During the film material transmission process, the entire pressing wheel 24 is in an up and down rocking posture through the action of the rocking spring 31.

[0058] In this way, during the production process, especially for film materials with relatively good strength, the film material can be always pressed and tensioned according to the movement state of the film material, thereby avoiding the film material losing contact pressure and tension, resulting in its deviation, curling and other problems.

[0059] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.

Claims

1. A packaging bag film production pressing device, characterized in that: It comprises a central connecting frame, on which a plurality of film pressing mechanisms are assembled and connected; The film pressing mechanism comprises a sliding adjustment seat assembled and connected to a central connecting frame, the sliding adjustment seat is assembled and connected to film pressing assemblies symmetrically arranged on both sides, the film pressing assembly comprises a long adjustment rod, the outer end of the long adjustment rod is assembled and connected to a film pressing wheel frame, and the film pressing wheel frame is assembled and connected to a plurality of pressing wheels; The long adjustment rod adjusts the angle through an angle adjustment structure, and the angle adjustment structure includes a fixed seat fixedly connected to the sliding adjustment seat, and a hinge ball is hinged on the fixed seat, and the long adjustment rod is fixedly connected to the hinge ball; The fixing seat is threadedly connected with a screw rod for locking the hinge ball; The film pressing wheel frame is fixedly connected with a horizontal adjustment screw, and the pressing wheel is slidably connected with the horizontal adjustment screw; The horizontal adjustment screw rod is threadedly connected with a plurality of pairs of adjustment nuts positioned on both sides of the pressure wheel.

2. The packaging bag film production pressing device according to claim 1 is characterized in that: The pressing wheel comprises a pressing wheel frame, and the pressing wheel frame is slidably assembled on the horizontal adjustment screw; The pressure wheel frame is equipped with a rotating wheel.

3. The packaging bag film production pressing device according to claim 1, characterized in that: The central connecting frame includes a horizontal connecting rod assembled and connected to the film pressing mechanism and a mounting U-shaped plate welded to both ends of the horizontal connecting rod.

4. The packaging bag film production pressing device according to claim 3 is characterized in that: The sliding adjustment seat is slidably connected to the horizontal connecting rod; The horizontal connecting rod is threadedly connected with a plurality of pairs of adjusting nuts positioned to adjust the sliding adjustment seat.

5. The packaging bag film production pressing device according to claim 1, characterized in that: A spring frame mechanism is fixedly connected to the sliding adjustment seat, and the film pressing assembly swings elastically through the spring frame mechanism.

6. The packaging bag film production pressing device according to claim 5, characterized in that: The spring frame mechanism includes a pick plate installed at the top position of the sliding adjustment seat; The front and rear ends of the pick plate are respectively fixedly connected with a plurality of swing springs, and the swing springs are fixedly connected to the film pressing wheel frame.

7. The packaging bag film production pressing device according to claim 6, characterized in that: The front and rear ends of the lifting plate are respectively fixedly connected to two swing springs arranged in a V shape on the left and right sides; The two ends of the swing spring are respectively fixedly connected to the bottom of the pick plate and the top edge of the film pressing wheel frame.

8. The packaging bag film production pressing device according to claim 6, characterized in that: The top of the sliding adjustment seat is fixedly connected with a lower vertical column, and the top of the lower vertical column is fixedly connected with an upper connecting screw; The lifting plate is fixedly mounted on the upper connecting screw rod.

9. The packaging bag film production pressing device according to claim 1, characterized in that: The film pressing wheel frame is equipped with 3 to 10 pressing wheels which are arranged at intervals.

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