Wire drawing device and transparent film packaging machine

By introducing components such as pulling wire support seat, cylinder slide shaft, cutter seat and wire wheel into the wire pulling device, combining the fixing nut block and pulling wire to adjust the optical axis sliding connection, the problem of complex adjustment of the position of the pulling wire mechanism and unstable wiring is solved. Improves the stability and adaptability of the pull wire and reduces the failure rate.

CN222203150UActive Publication Date: 2024-12-20SHANGHAI PINGQIANG PACKAGING MASCH MFG CO LTD
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Patent Information

Application Number
CN202421122459.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2024-12-20
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

The existing wire pulling mechanism cannot move when replacing the product or the replacement position is complicated, and the anti-counterfeiting wire pulling is small and light, and it is easy to shake and uneven during the wiring process, resulting in a long installation and adjustment time and a high failure rate.

Method used

A wire pulling device including a wire pulling support seat, a cylinder slide shaft, a cutting seat, a wire wheel and a counterweight block is designed. The optical axis sliding connection is adjusted through the fixing nut square and the wire pulling wire to achieve flexible adjustment of the wire pulling mechanism, and the wire pulling brake is used. The disc and brake disc improve the stability of the wiring.

Benefits of technology

The high tension and smooth wiring of the pulling wire are achieved, the position adjustment of the pulling wire mechanism is simplified, the installation time and failure rate are reduced, and various lower membrane environments are adapted to.

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Abstract

The utility model belongs to the technical field of packaging machines, and relates to a wire drawing device and a transparent film packaging machine, the wire drawing device comprises a wire drawing supporting seat, a wire drawing mechanism, a wire drawing mechanism and a wire drawing mechanism, the wire drawing supporting seat is connected with an air cylinder sliding shaft and a tool apron sliding shaft; the air cylinder sliding shaft is connected with an air cylinder sliding block in a sliding manner; the air cylinder sliding block is connected with a wire drawing main frame, the wire drawing main frame is rotationally connected with a wire pressing wheel support, and one side of the wire pressing wheel support is rotationally connected with a first wire guiding wheel. The other side of the wire pressing wheel support is connected with a first wire pulling balancing weight. A wire expansion support is rotationally connected to the wire drawing main frame, and a second wire guide wheel is rotationally connected to the wire expansion support. A second stay wire balancing weight is connected to the wire expansion bracket; the device further comprises a film feeding unit. After the structure is adopted, the pull wire winding device has the beneficial effects that the pull wire keeps higher tension through the swing mechanism consisting of the pull wire balancing weight and the wire guide wheel, so that the pull wire can be continuously, stably and completely routed, and the problems of shaking and accumulation are solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of packaging machines, in particular to a wire drawing device and a transparent film packaging machine. Background Art

[0002] Transparent film packaging machines are widely used in the automatic outer packaging of single or multiple boxes of various box-type items in the industries of medicine, food, health products, tea, cosmetics, gifts, stationery, audio-visual products, etc., playing the role of anti-counterfeiting, moisture-proof, dust-proof, beautification, etc.

[0003] In the prior art, when using a packaging machine equipped with an anti-counterfeiting pull wire function, the existing pull wire mechanism has the following problems: 1. When the packaging machine changes products, the pull wire mechanism cannot be moved or the process of changing the position is complicated, so it will take a lot of installation and adjustment time; 2. Because most anti-counterfeiting pull wires are small in shape and light in weight, there will be jitter and unevenness during the routing process; therefore, it is necessary to make improvements. Utility Model Content

[0004] In order to solve the above problems in the prior art, the utility model provides a wire pulling device and a transparent film packaging machine, which have a simple structure, can adapt to the needs of different positions, and improve the stability of wire routing.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] As one aspect of the utility model, a wire pulling device is proposed, which comprises: a wire pulling support seat, the wire pulling support seat is connected with a fixed nut block, the fixed nut block is slidably connected with a wire pulling adjustment optical axis arranged on a support portion; the wire pulling support seat is connected with a cylinder sliding shaft and a knife seat sliding shaft; the cylinder sliding shaft is slidably connected with a cylinder slider; the cylinder slider is connected with a first cylinder; the movable end of the first cylinder is connected with a first cutter seat, the first cutter seat is connected with a wire pulling cutter, the knife seat sliding shaft is connected with a second cutter seat, and the second cutter seat is located directly below the first cutter seat; the cylinder slider is connected with a wire pulling main frame, and the wire pulling main frame is rotatably connected with a wire pulling shaft;

[0007] The wire pulling shaft is connected with a wire pulling brake disc; the wire pulling main frame is rotatably connected with a wire pressing wheel bracket, and one side of the wire pressing wheel bracket is rotatably connected with at least two first wire guide wheels at intervals from top to bottom; the wire pressing wheel bracket is provided with a wire hole, and the wire hole is located on the side of the uppermost first wire guide wheel; the other side of the wire pressing wheel bracket is connected with a first wire pulling counterweight block; the wire pressing wheel bracket is connected with a wire pulling brake pad close to the first wire pulling counterweight block, and the wire pulling brake pad cooperates with the wire pulling brake disc;

[0008] The main wire pulling frame is rotatably connected to a wire expansion bracket, and the wire expansion bracket is rotatably connected to at least one second wire wheel; the first wire wheel and the second wire wheel are in the same plane, and the first wire wheel and the second wire wheel are arranged alternately; the wire expansion bracket is connected to a second wire pulling counterweight block;

[0009] It also includes a film feeding unit, which includes a tensioning shaft rotatably connected to the support portion and a first film guiding shaft, a second film guiding shaft, a third film guiding shaft, a fourth film guiding shaft, a fifth film guiding shaft and a sixth film guiding shaft rotatably connected to the support portion from right to left, wherein the center of the fourth film guiding shaft and the center of the fifth film guiding shaft are on the same horizontal line.

[0010] Optionally, a first adjustable tightening handle is movably provided on the fixing nut block.

[0011] Optionally, a slide shaft fixing plate is connected between the cylinder slide shaft and the tool holder slide shaft.

[0012] Optionally, a second adjustable tightening handle is movably connected to the cylinder slider.

[0013] Optionally, the wire cutting knife is U-shaped.

[0014] Optionally, the crimping wheel bracket is in an inverted L shape.

[0015] Optionally, the end of the wire pulling shaft is detachably connected with a wire pulling top disk for limiting the pulling wire of the reel, and the wire pulling top disk is connected through a wire pulling shaft retaining ring.

[0016] Optionally, the second film guiding axis is located at the lower left of the first film guiding axis, the third film guiding axis is located at the lower left of the second film guiding axis, and the fourth film guiding axis is located at the upper left of the third film guiding axis.

[0017] Optionally, the film feeding unit further comprises a movable film guiding shaft, which is slidably connected to the support portion and can rotate relative to the support portion; the movable film guiding shaft is located between the first film guiding shaft and the second film guiding shaft.

[0018] As another aspect of the present invention, a transparent film packaging machine is provided, which comprises the wire drawing device as described above.

[0019] The beneficial effects of the wire pulling device and transparent film packaging machine of the utility model are specifically embodied in: 1. The swing mechanism composed of the first wire pulling counterweight block and the first wire pulley and the swing mechanism composed of the second wire pulling counterweight block and the second wire pulley enable the wire pulling to maintain a relatively high tension, so that the wire pulling can continue to be smoothly and completely routed without problems such as shaking or accumulation; 2. The sliding connection between the fixed nut block and the wire pulling adjustment optical axis arranged on the support portion can adapt to the adjustment of different positions of the wire pulling packaging, and it is very convenient to move or replace, thereby reducing the installation and adjustment time; 3. The design of the wire pulling brake pad and the wire pulling brake disc further improves the stability of the wire pulling routing, reduces the failure rate of the wire pulling process, and better adapts to various film lowering environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings in the specification, which constitute a part of the present application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0021] Figure 1 It is a structural schematic diagram of the wire drawing device and the film feeding unit of the utility model;

[0022] Figure 2 This is a structural front view of the wire drawing device and the film feeding unit of the utility model;

[0023] Figure 3 This is a three-dimensional front view of the structure of the wire pulling device of the utility model;

[0024] Figure 4 It is a three-dimensional rear view of the structure of the wire pulling device of the utility model. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in combination with the specific embodiments of the utility model and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0026] A wire pulling device according to an embodiment of the present application, such as Figure 1-Figure 4As shown, it includes: a wire pulling support seat 41, the wire pulling support seat 41 and the support part are matched through the slide rail and the slider; the wire pulling support seat 41 is connected with a fixed nut block 46, and the fixed nut block 46 is slidably connected with a wire pulling adjustment optical axis 47 provided on the support part; the fixed nut block 46 slides on the wire pulling adjustment optical axis 47, so as to realize the lateral movement of the wire pulling support seat 41 on the support part, and the fixed nut block 46 is movably provided with a first adjustable tightening handle 48, and the first adjustable tightening handle 48 cooperates with the wire pulling adjustment optical axis 47 to realize the relative tightening or loosening between the fixed nut block 46 and the wire pulling adjustment optical axis 47;

[0027] The wire pulling support seat 41 is connected to a cylinder slide shaft 42 and a tool holder slide shaft 43; the tool holder slide shaft 43 is located below the cylinder slide shaft 42; in order to make the cylinder slide shaft 42 and the tool holder slide shaft 43 more stable, a slide shaft fixing plate 44 is connected between the cylinder slide shaft 42 and the tool holder slide shaft 43; a cylinder slider 45 is slidably connected to the cylinder slide shaft 42; a second adjustable tightening handle 49 is movably connected to the cylinder slider 45, and the second adjustable tightening handle 49 cooperates with the cylinder slide shaft 42 to achieve relative tightening or loosening between the cylinder slider 45 and the cylinder slide shaft 42; the cylinder slider 45 is connected to a first cylinder 410, the movable end of the first cylinder 410 faces downward; the movable end of the first cylinder 410 is connected to a first cutter seat 411, the first cutter seat 411 is connected to a wire-drawing cutter 412, the wire-drawing cutter 412 is U-shaped, the cutter seat slide shaft 43 is connected to a second cutter seat 413, the second cutter seat 413 is located directly below the first cutter seat 411, the wire-drawing cutter 412 cuts the transparent film with the wire on the second cutter seat 413, and under the impact of the first cylinder 410, a U-shaped incision is cut on the surface of the transparent film with the wire, so as to facilitate the tearing or pulling of the transparent film on the packaging box;

[0028] The cylinder slider 45 is connected to a main wire drawing frame 414, and a wire drawing shaft 415 is rotatably connected to the main wire drawing frame 414, and the wire drawing shaft 415 is used for installing a reel wire 416; the end of the wire drawing shaft 415 is detachably connected to a wire drawing top plate 417 for limiting the reel wire 416, and the wire drawing top plate 417 is connected through a wire drawing shaft retaining ring 418;

[0029] The wire drawing shaft 415 is connected to a wire drawing brake disc 419; a wire pressing wheel bracket 420 is rotatably connected to the wire drawing main frame 414, and the wire pressing wheel bracket 420 is in an inverted L shape, and one side of the wire pressing wheel bracket 420 is rotatably connected to at least two first wire wheels 421 at intervals from top to bottom. As an example, the number of first wire wheels 421 in this embodiment is three; a wire hole 427 is provided on the wire pressing wheel bracket 420, and the wire hole 427 is located on the side of the top first wire wheel 421; the other side of the wire pressing wheel bracket 420 is connected to a first wire drawing counterweight block 422, and the weight comparison between the first wire drawing counterweight block 422 and the first wire wheel 421 is used to realize the swing of the wire pressing wheel bracket 420 on the wire drawing bracket 414; a wire pulling brake pad 423 is connected to the wire pressing wheel bracket 420 near the first wire pulling counterweight block 422, and the wire pulling brake pad 423 cooperates with the wire pulling brake disc 419 to realize the stopping or rotation of the wire drawing shaft 415;

[0030] The wire pulling main frame 414 is rotatably connected to a wire expansion bracket 424, and the wire expansion bracket 424 is rotatably connected to at least one second wire wheel 425. As an example, in this embodiment, the number of the second wire wheels 425 is two; the three first wire wheels 421 and the two second wire wheels 425 are in the same plane, and the three first wire wheels 421 and the two second wire wheels 425 are staggered so that the wire is wound and the tensioned state of the wire is achieved; the wire expansion bracket 424 is connected to a second wire pulling counterweight block 426, and the weight comparison between the second wire pulling counterweight block 426 and the second wire wheel 425 is used to achieve the swing of the wire expansion bracket 424 on the wire pulling bracket 414; the first wire wheel 421 on the wire pressing wheel bracket 420 and the second wire wheel 425 on the wire expansion bracket 424 are used to ensure that the wire can be in a tensioned state in time during operation.

[0031] In one embodiment, if Figure 1-Figure 2 As shown, it also includes a film feeding unit, which combines the wire pulling device with the film feeding unit to make the synchronization between the wire pulling and the transparent film better; the film feeding unit includes a tensioning shaft 31 rotatably connected to the support portion, and the tensioning shaft 31 is used to connect the roll transparent film 32; it also includes a first film guiding shaft 33, a second film guiding shaft 34, a third film guiding shaft 35, a fourth film guiding shaft 36, a fifth film guiding shaft 37 and a sixth film guiding shaft 38 rotatably connected to the support portion; the center of the fourth film guiding shaft 36 and the center of the fifth film guiding shaft 37 are on the same horizontal line; the second film guiding shaft 34 is located at the lower left of the first film guiding shaft 33, the third film guiding shaft 35 is located at the lower left of the second film guiding shaft 34, and the fourth film guiding shaft 36 is located at the upper left of the third film guiding shaft 35;

[0032] It also includes a movable film guide shaft 39, which is slidably connected to the support part 1 and can rotate relative to the support part 1; the movable film guide shaft 39 is located between the first film guide shaft 33 and the second film guide shaft 34; the movable film guide shaft 39 is located at the lower right of the second film guide shaft 34; the pulling end of the roll transparent film 32 is sequentially wound around the first film guide shaft 33, the movable film guide shaft 39, the second film guide shaft 34, the third film guide shaft 35, the fourth film guide shaft 36, the fifth film guide shaft 37 and the sixth film guide shaft 38, so that the transparent film is in a pre-tightened state, and the movable film guide shaft 39 enables the transparent film to adjust the pre-tightened state in time during operation.

[0033] During implementation, the pulled-out end of the reel wire 416 passes through the wire hole 427 and is sequentially wound between the staggered first wire wheel 421 and the second wire wheel 425, and finally fits with the transparent film on the fourth film guide shaft 36 and the fifth film guide shaft 37 and enters the next process together with the transparent film.

[0034] In the present embodiment, the swing mechanism composed of the first wire pulling counterweight block 422 and the first wire pulley 421 and the swing mechanism composed of the second wire pulling counterweight block 426 and the second wire pulley 425 can maintain a relatively high tension on the wire, so that the wire can continue to be smoothly and completely routed without problems such as shaking or accumulation; the sliding connection between the fixed nut block 46 and the wire pulling adjustment optical axis 47 provided on the support portion can adapt to the adjustment of different positions of the wire pulling package, and it is very convenient to move or replace, thereby reducing the installation and adjustment time; the design of the wire pulling brake pad 423 and the wire pulling brake disc 419 can further improve the stability of the wire pulling routing, reduce the failure rate of the wire pulling process, and better adapt to various film lowering environments.

[0035] A transparent film packaging machine according to another embodiment of the present application includes the wire pulling device as described above.

[0036] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0037] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0038] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0039] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0040] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0041] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A wire pulling device, characterized in that: It includes: A wire pulling support seat, the wire pulling support seat is connected with a fixed nut block, the fixed nut block is slidably connected with the wire pulling adjustment optical axis arranged on the support part; the wire pulling support seat is connected with a cylinder sliding shaft and a knife seat sliding shaft; the cylinder sliding shaft is slidably connected with a cylinder slider; the cylinder slider is connected with a first cylinder; the movable end of the first cylinder is connected with a first cutter seat, the first cutter seat is connected with a wire pulling cutter, the knife seat sliding shaft is connected with a second cutter seat, and the second cutter seat is located directly below the first cutter seat; the cylinder slider is connected with a wire pulling main frame, and the wire pulling main frame is rotatably connected with a wire pulling shaft; The wire pulling shaft is connected with a wire pulling brake disc; the wire pulling main frame is rotatably connected with a wire pressing wheel bracket, and one side of the wire pressing wheel bracket is rotatably connected with at least two first wire guide wheels at intervals from top to bottom; the wire pressing wheel bracket is provided with a wire hole, and the wire hole is located on the side of the uppermost first wire guide wheel; the other side of the wire pressing wheel bracket is connected with a first wire pulling counterweight block; the wire pressing wheel bracket is connected with a wire pulling brake pad close to the first wire pulling counterweight block, and the wire pulling brake pad cooperates with the wire pulling brake disc; The main wire pulling frame is rotatably connected to a wire expansion bracket, and the wire expansion bracket is rotatably connected to at least one second wire wheel; the first wire wheel and the second wire wheel are in the same plane, and the first wire wheel and the second wire wheel are arranged alternately; the wire expansion bracket is connected to a second wire pulling counterweight block; It also includes a film feeding unit, which includes a tensioning shaft rotatably connected to the support portion and a first film guiding shaft, a second film guiding shaft, a third film guiding shaft, a fourth film guiding shaft, a fifth film guiding shaft and a sixth film guiding shaft rotatably connected to the support portion from right to left, wherein the center of the fourth film guiding shaft and the center of the fifth film guiding shaft are on the same horizontal line.

2. The wire pulling device according to claim 1, characterized in that: The fixing nut block is movably provided with a first adjustable tightening handle.

3. The wire pulling device according to claim 1, characterized in that: A slide shaft fixing plate is connected between the cylinder slide shaft and the tool holder slide shaft.

4. The wire pulling device according to claim 1, characterized in that: A second adjustable tightening handle is movably connected to the cylinder slide block.

5. The wire pulling device according to claim 1, characterized in that: The wire cutting knife is U-shaped.

6. The wire pulling device according to claim 1, characterized in that: The crimping wheel bracket is in an inverted L shape.

7. The wire pulling device according to claim 1, characterized in that: The end of the wire pulling shaft is detachably connected with a wire pulling top plate used for limiting the pulling wire of the reel, and the wire pulling top plate is connected through a wire pulling shaft retaining ring.

8. The wire pulling device according to any one of claims 1 to 7, characterized in that: The second film guiding axis is located at the lower left of the first film guiding axis, the third film guiding axis is located at the lower left of the second film guiding axis, and the fourth film guiding axis is located at the upper left of the third film guiding axis.

9. The wire pulling device according to claim 8, characterized in that: The film feeding unit further comprises a movable film guiding shaft, which is slidably connected to the support portion and can rotate relative to the support portion; the movable film guiding shaft is located between the first film guiding shaft and the second film guiding shaft.

10. A transparent film packaging machine, characterized in that: It comprises a wire pulling device as claimed in any one of claims 1 to 9.