Tensioning and conveying device for compounding packaging bag

Abstract

The invention relates to the technical field of packaging bag composite production, in particular to a tensioning and conveying device for packaging bag compositing, which comprises a supporting and tensioning mechanism, the supporting and tensioning mechanism comprises two supporting plates and tensioning rollers, the two supporting plates are aligned front and back, the tensioning rollers are positioned below the position between the two supporting plates and are arranged in an array in the horizontal direction, and first rotating rods are fixedly sleeved in the tensioning rollers; the two ends of the first rotating rod are rotationally sleeved with connecting blocks through rolling bearings, and a sliding column is fixedly arranged on one side face of each connecting block; the material guiding mechanism is arranged between the two supporting plates and comprises a lower pressing roller, an upper pressing roller located above the lower pressing roller, two discharging guide rollers located on one side of the lower pressing roller and arranged in an up-down aligned mode, a first guide roller located on one side above the tensioning roller and a second guide roller located on one side below the first guide roller; according to the tensioning and conveying device, effective and fine tensioning of a bag film before compounding can be achieved, meanwhile, attached adhesive glue can be scraped off, and the production quality of packaging bags is effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of packaging bag composite production, in particular to a tensioning material conveying device for packaging bag composite. BACKGROUND

[0002] The packaging bag composite process refers to the core technology of firmly combining two or more than two flexible materials (such as plastic film, paper, metal foil, etc.) of different properties through a specific processing method to form a high-performance multi-layer composite material. The purpose is to integrate the advantages of each layer of material, so that the final product has excellent performance that single material cannot achieve, such as high barrier property, light blocking property, good mechanical strength, and heat sealing performance, etc. With its excellent protection function, lightweight, cost-effectiveness, and processing adaptability, composite flexible packaging has become an irreplaceable packaging solution in the fields of food, medicine, daily chemical products, etc. In the packaging bag composite process, in order to avoid wrinkles in the composite packaging bag, the bag film before composite is tensioned by a tensioning conveying device. For example, the existing public document CN111923561B - a pure aluminum packaging bag composite machine and its composite method, and the existing public document CN214563312U - a composite machine variable-diameter tensioning roller for packaging bag production, both disclose a composite tensioning mechanism for packaging bag production. Although the above-mentioned composite tensioning mechanism can realize effective composite of packaging bag production, it still has the following shortcomings in actual use: 1. The existing tensioning mechanism for bag film tensioning is mainly realized by the elastic force of a spring. However, because the maximum elastic force of the spring is limited, and the size of the elastic force changes with the distance of spring compression or stretching, it is difficult for the existing tensioning mechanism to realize effective tensioning when the bag film conveying speed changes (i.e., the tensioning degree of bag film conveying cannot be adjusted more accurately and subtly), and the overall practicality is poor. 2. In the composite process of the packaging bag, adhesive is used for bonding, which causes part of the adhesive to be squeezed out and attached to the outer surface of the extrusion roller during the long-time extrusion composite process, resulting in corrosion of the extrusion roller and affecting the product quality of the composite bag. Therefore, it is necessary to improve the existing technology to solve the above technical problems. SUMMARY

[0003] This section aims to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, abstract and title, and such simplifications or omissions cannot be used to limit the scope of the present application.

[0004] In view of the poor overall practicability of the existing tensioning material conveying device, it is difficult to achieve effective tensioning, a packaging bag composite tensioning material conveying device is provided.

[0005] To solve the above technical problems, the present application provides the following technical scheme: a packaging bag composite tensioning material conveying device, comprising a supporting tensioning mechanism, including two supporting plates arranged in front and back alignment and a tensioning roller arranged below the position between the two supporting plates and in a horizontal direction, a first rotating rod is fixedly sleeved in the tensioning roller, and the two ends of the first rotating rod are rotatably sleeved with a connecting block through a rolling bearing, a sliding column is fixedly arranged on one side of the connecting block, an arc-shaped guide groove for clearance fit of the sliding column is formed in the supporting plate, an arc-shaped guide rod is coaxially fixedly arranged in the arc-shaped guide groove, and an arc-shaped hole for sliding sleeve of the arc-shaped guide rod is formed in the sliding column, the outer arc surfaces of the two arc-shaped guide grooves on the same supporting plate are arranged close to each other, and the outer arc surface of the lower end of the arc-shaped guide groove is tangent to the vertical surface, a return spring is slidingly sleeved on the arc-shaped guide rod above the sliding column, and the bag film passes around the lower side of the tensioning roller; and a material guiding mechanism arranged between the two supporting plates, comprising a lower pressing roller, an upper pressing roller above the lower pressing roller, two discharge guide rollers arranged in upper and lower alignment on one side of the lower pressing roller, a first guide roller on one side above the tensioning roller, and a second guide roller on one side below the first guide roller, the two second guide rollers are located between the two tensioning rollers, and each tensioning roller cooperates with one first guide roller and one second guide roller.

[0006] The packaging bag composite tensioning material conveying device has the following advantages: in use, the bag film is tensioned by the tensioning roller, the arc-shaped guide groove is arranged, the outer arc surface of the lower end of the arc-shaped guide groove is tangent to the vertical surface, in a natural state, the tensioning roller moves to the lower end of the arc-shaped guide groove by its own gravity, and the tensioning roller can move along the arc-shaped guide groove by cooperation with the arrangement of the return spring, when the bag film passes around the lower end of the tensioning roller, the bag film can be tensioned by the gravity of the tensioning roller and the elastic force of the return spring, the tensioning mode is more accurate and delicate than the traditional spring tensioning, and the overall practicability is good.

[0007] As a preferred scheme of the packaging bag composite tensioning material conveying device, the bag film passes around the second guide roller and the first guide roller in sequence after passing around the tensioning roller, then passes between the lower pressing roller and the upper pressing roller, and finally is guided out between the two discharge guide rollers.

[0008] As a preferred scheme of the packaging bag composite tensioning material conveying device, the second guide roller for lower bag film winding is located between the first guide roller and the tensioning roller, the first guide roller for upper bag film winding is located between the second guide roller and the tensioning roller, the first guide roller for upper bag film winding is located above the first guide roller for lower bag film winding, and the lower pressing roller, the upper pressing roller and the discharge guide roller are located on one side of the first guide roller.

[0009] As a preferred scheme of the packaging bag composite tensioning material conveying device, the fourth rotating rod is sleeved with the fixed sleeve in the discharging guide roller, the fifth rotating rod is sleeved with the fixed sleeve in the first guide roller, and the seventh rotating rod is sleeved with the fixed sleeve in the second guide roller.

[0010] As a preferred scheme of the packaging bag composite tensioning material conveying device, the glue coating roller is arranged on one side of the first guide roller for the bag film winding, the outer side of the lower end of the glue coating roller is provided with the glue storage box, the sixth rotating rod is sleeved with the fixed sleeve in the glue coating roller, and the two ends of the sixth rotating rod are rotatably connected to the top surface of the glue storage box; the U-shaped supporting strips are sleeved with the outer sides of the bottom surfaces of the two ends of the glue storage box, and the U-shaped supporting strips are fixedly connected to the supporting plate; the pressing strips are fixedly arranged on the U-shaped supporting strips above the glue storage box, the second locking bolts are helically sleeved with the vertical plates of the two ends of the U-shaped supporting strips, and one end of the second locking bolt is abutted on the outer side wall of the glue storage box.

[0011] In view of the problem that the surface of the existing extrusion roller is attached with adhesive glue after long time use, thereby affecting the quality of the composite bag product, the packaging bag composite tensioning material conveying device is further improved, wherein the second rotating rod is sleeved with the fixed sleeve in the lower pressing roller, the two ends of the second rotating rod are rotatably connected to the supporting plate through the rolling bearing, one end of the second rotating rod extends to the outside of the supporting plate and is embedded in the output end of the third motor, and the third motor is fixedly connected to the supporting plate; the third rotating rod is sleeved with the fixed sleeve in the upper pressing roller, the outer side of the upper end of the upper pressing roller is provided with the U-shaped plate, the two ends of the third rotating rod are rotatably connected to the U-shaped plate through the rolling bearing, the outer sides of the two ends of the U-shaped plate are symmetrically provided with the connecting plates, the through grooves for the connecting plates to slide through are formed in the supporting plate, the pad plate is fixedly arranged on the supporting plate below the connecting plates, the T-shaped column is sleeved with the sliding sleeve on one of the connecting plates, the first locking bolt is helically sleeved with the sliding sleeve on the other connecting plate, and the lower end of the T-shaped column is fixedly arranged on the top surface of the pad plate.

[0012] As a preferred scheme of the packaging bag composite tensioning material conveying device, the collecting boxes are arranged on one side below the lower pressing roller and the upper pressing roller, the scraper is fixedly arranged on the top surface of one side plate of the collecting box and abuts on the outer side wall of the lower pressing roller or the upper pressing roller; one of the collecting boxes is fixedly connected to the U-shaped plate, and the other collecting box is fixedly connected to the supporting plate; one end of the collecting box is provided with an opening, and the glue outlet groove is formed in the supporting plate at the opening.

[0013] Another beneficial effect of the present application is that when the tension feeding device is in use, when the packaging bag is being extruded and compounded, through the cooperation of the scraper, the scraper can scrape off the adhesive on the surface of the lower roller and / or the upper roller when the roller is rotating. The scraped adhesive is collected in the collection box. Thus, the workers can take out the scraped adhesive through the adhesive outlet. This setting mode can scrape off the adhesive while the packaging bag is being extruded and compounded, effectively maintaining the quality of the compounded bag production.

[0014] As a preferred scheme of the tension feeding device for packaging bag compounding, the scheme further comprises feeding mechanisms symmetrically arranged below both ends of the support plate, and the two tension rollers are located between the two feeding mechanisms. The feeding mechanism comprises a placement plate, a screw rod and a pressing rod. Two placement plates are symmetrically arranged in the front-rear direction, and one end of each placement plate is screw-coupled to the same screw rod. Both ends of the screw rod are rotatably connected to the support plate through rolling bearings. One end of the screw rod is embedded in the output end of a second motor, and the second motor is fixedly connected to the support plate. A placement groove is formed in the top surface of the placement plate, and an L-shaped block is fixedly arranged at the lower end of the side of the placement plate close to the tension roller. The pressing rod is abutted against the top surface of the L-shaped block, and a limiting groove for clearance fit of the end of the pressing rod is formed in the support plate. The limiting groove is inclined in the vertical direction, and the inclined lower end is arranged on the side close to the tension roller. Both ends of the pressing rod are fixedly provided with an extension plate, and a gas cylinder extending along the long side of the limiting groove is fixedly arranged on the top surface of the extension plate.

[0015] As a preferred scheme of the tension feeding device for packaging bag compounding, the L-shaped block is fixedly connected to a positioning plate below the support plate, and the L-shaped block is abutted against the positioning plate when the feeding mechanism is in the feeding state. A first toothed disc is arranged on one side of each placement plate, and the first toothed disc is fixedly connected to the output shaft of a first motor, and the first motor is fixedly connected to the side surface of one of the placement plates.

[0016] As a preferred scheme of the tension feeding device for packaging bag compounding, the vertical section of the placement groove is a V-shaped groove with an open upper end and composed of a vertical line and an inclined line, and the vertical line is arranged on the side close to the tension roller. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them: Figure 1 It is a schematic diagram of the overall structure of the tension feeding device for packaging bag compounding.

[0018] Figure 2 For the invention Figure 1 Structure of the rear view.

[0019] Figure 3 For the invention Figure 1 Structure of the left view.

[0020] Figure 4 For the invention Figure 1 Structure in the vertical section view in the left-right direction.

[0021] Figure 5 For the invention in the explosion view of the feeding mechanism.

[0022] Figure 6 For the invention in the matching diagram of the tensioning roller and the connecting block.

[0023] Figure 7 For the invention in the matching diagram of the first guide roller, the glue storage box and the glue roller.

[0024] Figure 8 For the invention in the matching diagram of the lower pressing roller, the upper pressing roller and the collection box.

[0025] Figure 9 For a vertical section view of a packaging bag composite tensioning material feeding device for packaging bag composite production. DETAILED DESCRIPTION

[0026] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0027] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a variety of ways beyond the specific embodiments described herein without departing from the scope of the present application. Accordingly, the present application is not limited to the specific embodiments described below.

[0028] Secondly, the "one embodiment" or "embodiment" referred to herein can include specific features, structures or characteristics contained in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments.

[0029] Thirdly, the present application is described in detail in conjunction with the schematic diagram. In the detailed description of the embodiments of the present application, the cross-sectional view of the device structure is locally enlarged without the general proportion for the convenience of description, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, three-dimensional spatial dimensions including length, width and depth should be included in actual manufacture.

[0030] Embodiment 1 Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the first embodiment of the present application provides a tensioning material conveying device for packaging bag composite, which, in use, the material guiding mechanism 300 is used for guiding, conveying, adhering, pressing, and shaping and guiding out of the bag film, and the supporting and tensioning mechanism 100 is used for tensioning and shaping the film bag when guiding the film bag.

[0031] Specifically, it comprises a supporting and tensioning mechanism 100, which comprises two supporting plates 101 arranged in front and back alignment and a tensioning roller 102 arranged in a horizontal array below the position between the two supporting plates 101; and a material guiding mechanism 300 arranged between the two supporting plates 101, which comprises a lower pressing roller 301, an upper pressing roller 302 located above the lower pressing roller 301, two discharge guide rollers 303 arranged in up-down alignment on one side of the lower pressing roller 301, a first guide roller 304 located on one side above the tensioning roller 102, and a second guide roller 305 located on one side below the first guide roller 304, the two second guide rollers 305 are located between the two tensioning rollers 102, and each tensioning roller 102 cooperates with a first guide roller 304 and a second guide roller 305; The bag film passes under the tensioning roller 102, and after passing through the tensioning roller 102, the bag film passes through the second guide roller 305 and the first guide roller 304 in turn, then passes between the lower pressing roller 301 and the upper pressing roller 302, and finally is guided out between the two discharge guide rollers 303, the second guide roller 305 for lower bag film winding is located between the first guide roller 304 and the tensioning roller 102, the first guide roller 304 for upper bag film winding is located between the second guide roller 305 and the tensioning roller 102, and the first guide roller 304 for upper bag film winding is located above the first guide roller 304 for lower bag film winding, and the lower pressing roller 301, the upper pressing roller 302, and the discharge guide roller 303 are all located on one side of the first guide roller 304; The fourth rotating rod 303a is fixedly sleeved in the discharge guide roller 303, the fifth rotating rod 304a is fixedly sleeved in the first guide roller 304, and the seventh rotating rod 305a is fixedly sleeved in the second guide roller 305, both ends of the fourth rotating rod 303a, the fifth rotating rod 304a, and the seventh rotating rod 305a are rotatably connected to the supporting plate 101 through the rolling bearing, so as to realize the free rotation of the discharge guide roller 303, the first guide roller 304, and the second guide roller 305; The above setting in use, the upper bag film and the lower bag film are respectively bypassed through the tensioning roller 102, the second guide roller 305 and the first guide roller 304, and then the lower bag film is extruded and compounded between the lower pressing roller 301 and the upper pressing roller 302 after being coated, and then the packaging bag after being compounded is guided out through the discharge guide roller 303, and details are shown in the accompanying drawings Figure 9 .

[0032] Details are shown in Figure 2 , Figure 4 and Figure 6 , the first rotating rod 102a is fixedly sleeved in the tensioning roller 102, and the two ends of the first rotating rod 102a are rotatably sleeved with the connecting block 102b through the rolling bearing, so that the first rotating rod 102a can freely rotate relative to the connecting block 102b, and the sliding column 102b-1 is fixedly arranged on one side surface of the connecting block 102b, the arc-shaped guide groove 101a is formed on the support plate 101 and is in clearance fit with the sliding column 102b-1, the arc-shaped guide rod 101a-1 is coaxially fixedly arranged in the arc-shaped guide groove 101a, and the arc-shaped hole 102b-2 is formed on the sliding column 102b-1 and is used for slidingly sleeving the arc-shaped guide rod 101a-1, so that the sliding column 102b-1 can freely slide on the arc-shaped guide rod 101a-1, the outer arc surfaces of the two arc-shaped guide grooves 101a on the same support plate 101 are arranged close to each other, the outer arc surface at the lower end of the arc-shaped guide groove 101a is tangent to the vertical surface, and the reset spring 101a-2 is slidingly sleeved on the arc-shaped guide rod 101a-1 above the sliding column 102b-1, and the reset spring 101a-2 can reset the sliding column 102b-1. The above setting in use, the bag film passes through the lower end of the tensioning roller 102, and in the transmission process of the tensioning roller 102, the bag film is pressed on the tensioning roller 102 by the gravity of the tensioning roller 102, so that the bag film is preliminarily tensioned, under the action of the bag film conveying tension, the bag film can pull the tensioning roller 102 upward, the tensioning roller 102 slides in the arc-shaped guide groove 101a, so as to extrude the reset spring 101a-2, the reset spring 101a-2 provides further tensioning force to the bag film in the opposite direction, so as to keep the effective and accurate tensioning of the bag film, and the design of the arc-shaped guide groove 101a can realize that the tensioning roller 102 does not completely move in the vertical direction, so as to avoid that the bag film is damaged due to the excessive gravity of the tensioning roller 102.

[0033] Embodiment 2 Referring to Figure 3 , Figure 4 and Figure 7 , this is the second embodiment of the application, which is based on the previous embodiment, and the difference is that, in order to better and fully and accurately implement the device, the structure for coating the lower bag film is disclosed.

[0034] Specifically, the first guide roller 304 for winding the lower bag film is provided with a glue roller 304c on one side, the lower end of the glue roller 304c is provided with a glue storage box 304b outside, the sixth rotating rod 304c-1 is fixedly sleeved in the glue roller 304c, and the two ends of the sixth rotating rod 304c-1 are both rotatably connected to the top surface of the glue storage box 304b; When the above is used, the worker first adds the adhesive glue into the glue storage box 304b, and when the first guide roller 304 guides the lower bag film, the glue roller 304c will also be attached to the other side of the lower bag film. With the movement of the lower bag film, the glue roller 304c will rotate, thereby driving the adhesive glue in the glue storage box 304b to be coated on one side of the lower bag film.

[0035] Further, the two end bottom surfaces of the glue storage box 304b are provided with U-shaped supporting strips 304d outside, the U-shaped supporting strips 304d are fixedly connected to the supporting plate 101, the U-shaped supporting strips 304d above the glue storage box 304b are provided with pressing strips 304d-1, so that the position of the glue storage box 304b can be limited, the two end vertical plates of the U-shaped supporting strips 304d are both provided with second locking bolts 304d-2, one end of the second locking bolt 304d-2 is abutted to the outer wall of the glue storage box 304b, and the position of the glue storage box 304b in the U-shaped supporting strip 304d can be adjusted by moving the second locking bolt 304d-2, thereby realizing that the glue roller 304c can be fully attached to the lower bag film during work.

[0036] Embodiment 3 Referring to Figure 2 , Figure 4 and Figure 8 , this is the third embodiment of the present application, which is based on the previous embodiment. In order to avoid the adhesion of adhesive glue on the press roller after degumming, which affects the quality of the packaging bag during subsequent use, this embodiment is proposed.

[0037] Specifically, the second rotating rod 301a is fixedly sleeved in the lower press roller 301, and the two ends of the second rotating rod 301a are both rotatably connected to the supporting plate 101 through rolling bearings, one end of the second rotating rod 301a extends to the outside of the supporting plate 101 and is embedded in the output end of the third motor 301a-1, and the third motor 301a-1 is fixedly connected to the supporting plate 101, so as to realize the rotation of the lower press roller 301 driven by the second rotating rod 301a under the work of the third motor 301a-1; The third rotating rod 302b is sleeved on the fixed sleeve of the upper pressing roller 302, the upper end of the upper pressing roller 302 is provided with a U-shaped plate 302a, both ends of the third rotating rod 302b are rotatably connected to the U-shaped plate 302a through rolling bearings, the two ends of the U-shaped plate 302a are symmetrically and fixedly provided with connecting plates 302a-1, the supporting plate 101 is provided with a through groove 101d for sliding of the connecting plates 302a-1, the supporting plate 101 below the connecting plates 302a-1 is fixedly provided with a pad 101e, one of the connecting plates 302a-1 is sleeved with a T-shaped column 101e-1, which can limit and guide the movement of the U-shaped plate 302a, the other connecting plate 302a-1 is screwedly sleeved with a first locking bolt 302a-2, the lower end of the T-shaped column 101e-1 is fixedly arranged on the top surface of the pad 101e, and the U-shaped plate 302a can be moved in the vertical direction by moving the first locking bolt 302a-2, so that the upper bag film can be effectively extruded and compounded for different bag films. When the above is used, the upper bag film and the lower bag film are laminated here, and the upper bag film and the lower bag film are laminated and output after being pressed by the rotation of the upper pressing roller 302 and the lower pressing roller 301.

[0038] Further, the lower pressing roller 301 and the upper pressing roller 302 are provided with collecting boxes 306 on one side below, and the top surface of one side plate of the collecting box 306 is fixedly provided with a scraper 306a attached to the outer wall of the lower pressing roller 301 or the upper pressing roller 302; one of the collecting boxes 306 is fixedly connected to the U-shaped plate 302a, and the other collecting box 306 is fixedly connected to the supporting plate 101, one end of the collecting box 306 is provided with an opening, and the supporting plate 101 at the opening is provided with a glue outlet groove 101b, so that the adhesive on the pressing roller can be scraped off by the scraper 306a during the rotation of the upper pressing roller 302 and the lower pressing roller 301, and the adhesive scraped off is collected in the collecting box 306, and then the collected adhesive can be taken out through the glue outlet groove 101b.

[0039] Embodiment 4 Referring to Figure 1 , Figure 4 and Figure 5 , the fourth embodiment of the present application is based on any of the above embodiments, and differs from the above embodiments in that in order to facilitate the staff to load more conveniently and effectively, an upper feeding mechanism 200 is provided, and two upper feeding mechanisms 200 are symmetrically arranged below the two ends of the supporting plate 101, and the two tensioning rollers 102 are located between the two upper feeding mechanisms 200.

[0040] Specifically, the feeding mechanism 200 comprises a placement plate 201, a screw rod 202 and a pressing rod 203, two placement plates 201 are symmetrically arranged along the front-rear direction, and the lower end of one end of the two placement plates 201 is screwedly sleeved on the same screw rod 202, both ends of the screw rod 202 are rotatably connected to the support plate 101 through rolling bearings, one end of the screw rod 202 is embedded in the output end of the second motor 202a, and the second motor 202a is fixedly connected to the support plate 101, a placement groove 201a is formed in the top surface of the placement plate 201, and an L-shaped block 201b is fixedly arranged at the lower end of the side of the placement plate 201 close to the tensioning roller 102; the pressing rod 203 is abutted on the top surface of the L-shaped block 201b, so that the L-shaped block 201b can be blocked and limited, and a limiting groove 101c for clearance fit of the end of the pressing rod 203 is formed in the support plate 101 to limit and guide the movement of the pressing rod 203, the limiting groove 101c is inclined in the vertical direction, and the inclined lower end is arranged on the side close to the tensioning roller 102, both ends of the pressing rod 203 are fixedly provided with an extension plate 203a, and a cylinder 203b extending along the long side direction of the limiting groove 101c is fixedly arranged on the top surface of the extension plate 203a, and the cylinder 203b is fixedly connected to the support plate 101; the support plate 101 below the L-shaped block 201b is fixedly connected with a positioning plate 101f, when the feeding mechanism 200 is in the feeding state, the L-shaped block 201b is abutted on the positioning plate 101f to realize limiting from below the L-shaped block 201b; When the above-mentioned structure is used, the L-shaped block 201b can be limited by the cooperation of the pressing rod 203 and the positioning plate 101f, so that the two placement plates 201 can move towards or away from each other along the axis direction of the screw rod 202 under the rotation of the screw rod 202, so as to adapt to different widths of the film roll, when the cylinder 203b is contracted and moved upward to drive the pressing rod 203 to move upward along the direction of the limiting groove 101c, the pressing rod 203 loses the limiting of the L-shaped block 201b, at this time, under the rotation of the screw rod 202, the whole placement plate 201 rotates around the screw rod 202, and then drives the opening direction of the placement groove 201a to rotate away from the tensioning roller 102, so as to facilitate the staff to feed or discharge the film roll, after the film roll is fed into the placement groove 201a, the opening of the placement groove 201a on the placement plate 201 can be adjusted to be directly above at the same time by the rotation of the screw rod 202 and the extension of the cylinder 203b, and the placement plate 201 can realize the loading of the film roll.

[0041] Further, one side of the two placing plates 201 is provided with a first tooth disc 201c, the first tooth disc 201c is fixedly connected on the output shaft of a first motor 201c-1, and the first motor 201c-1 is fixedly connected on one side of the placing plate 201, the vertical section of the placing groove 201a is V-shaped with an open upper end and composed of a vertical line and an inclined line, and the vertical line is arranged on the side close to the tensioning roller 102; The above setting, in use, the staff first inserts the bearing roller into the film roll, then adjusts the placing plate 201 to the inclined line of the placing groove 201a to be horizontal or downwardly inclined, then pushes the film roll to make the bearing roller move to the corner of the placing groove 201a, the bearing roller is limitedly matched on the placing plate 201, then controls the placing plate 201 to rotate upward to lift the whole film roll, after lifting is completed, adjusts the second tooth disc at one end of the bearing roller to engage with the first tooth disc 201c on one side of the placing plate 201, drives the bearing roller to rotate and discharge through the first motor 201c-1.

[0042] In addition, it should be noted that the components not described in detail herein are prior art.

[0043] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various exemplary embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications can be made to the embodiments without materially departing from the novel teachings and advantages of the subject matter described in this application (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.). For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the particular embodiments described in this disclosure, but extends to various modifications that still fall within the scope of the appended claims.

[0044] Furthermore, in order to provide a concise description of exemplary embodiments, all features of an actual implementation can not be described (i.e., those unrelated to the presently considered best mode of carrying out the application, or those unrelated to enabling the application).

[0045] It is to be understood that the development of the particular implementations described herein was motivated by the desire to solve real-world problems, and as such the claimed implementations can be susceptible to further implementation while still being generically consistent with the descriptions provided herein. Specifically, a number of implementations decisions were made during the development of the particular implementations described herein as a result of problem- solving attempts to solve issues that are typically faced. It should therefore be appreciated that aspects of the described implementations can be practiced in other specific forms without departing from their spirit or essential characteristics. The described implementations are to be considered in a descriptive sense only and not for purposes of limitation. The scope of the described implementations is therefore defined by the appended claims, rather than the foregoing description, and all variations and equivalents that fall within the range of the claims are intended to be embraced therein.

[0046] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not limit the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present application, and all modifications and equivalents should be included in the scope of the claims of the present application.

Claims

1. A tensioning and feeding device for a packaging bag composite, characterized in that: The utility model relates to a bag film winding device, including, Support tensioning mechanism (100) including two support plates (101) and the tensioning roller (102) of the position below and along the horizontal direction array arrangement between two support plates (101) are set in front and back alignment, first rotating rod (102a) is fixedly sleeved in the tensioning roller (102), and the both ends of first rotating rod (102a) are rotatably sleeved with connecting block (102b) through rolling bearing, the side surface of connecting block (102b) is fixed with sliding column (102b-1), the arc guide groove (101a) that is used for the clearance fit of sliding column (102b-1) is set up on support plate (101), the coaxial fixed arc guide rod (101a-1) is set up in the arc guide groove (101a), and the arc-shaped hole (102b-2) that is used for the sliding sleeve of arc guide rod (101a-1) is set up on sliding column (102b-1), the outer arc surface of two arc guide grooves (101a) on the same support plate (101) is set up mutually close, and the outer arc surface of the lower end of arc guide groove (101a) is tangent with vertical plane, the reset spring (101a-2) is slidably sleeved on the arc guide rod (101a-1) above sliding column (102b-1), and bag film is passed from the below of tensioning roller (102); Material guide mechanism (300) is set up between two support plates (101), including down pressure roller (301), upper pressure roller (302) located the upper side of down pressure roller (301), two discharge guide rollers (303) are set up in the up and down alignment of the one side of down pressure roller (301), first guide roller (304) is located the one side of the upper side of tensioning roller (102) and second guide roller (305) is located the one side below first guide roller (304), two second guide rollers (305) are located the position between two tensioning rollers (102), and every tensioning roller (102) cooperates to use a first guide roller (304) and a second guide roller (305).

2. A tension feed device for packaging bag composite according to claim 1, characterized in that: After bag film passes through tensioning roller (102), in turn, second guide roller (305) and first guide roller (304) are passed, then from down pressure roller (301) and upper pressure roller (302) between, finally from two discharge guide rollers (303) between guide.

3. The device according to claim 2, wherein: the first and second rollers are arranged to be rotated in opposite directions; and the first and second rollers are arranged to be rotated at the same speed. Second guide roller (305) for lower bag film winding is located between first guide roller (304) and tensioning roller (102), first guide roller (304) for upper bag film winding is located between second guide roller (305) and tensioning roller (102), first guide roller (304) for upper bag film winding is located above first guide roller (304) for lower bag film winding, and down pressure roller (301), upper pressure roller (302) and discharge guide roller (303) are all located the one side of first guide roller (304).

4. The device according to claim 3, wherein: The fourth rotating rod (303a) is fixedly sleeved in the discharging guide roller (303), the fifth rotating rod (304a) is fixedly sleeved in the first guide roller (304), the seventh rotating rod (305a) is fixedly sleeved in the second guide roller (305), and the two ends of the fourth rotating rod (303a), the fifth rotating rod (304a) and the seventh rotating rod (305a) are rotatably connected to the support plate (101) through rolling bearings.

5. The device according to claim 4, wherein: the first and second tensioning rollers are arranged to be rotated in opposite directions. The first guide roller (304) for wrapping the lower bag film is provided with a glue coating roller (304c) on one side, the outer side of the lower end of the glue coating roller (304c) is provided with a glue storage box (304b), the glue coating roller (304c) is fixedly sleeved with a sixth rotating rod (304c-1), and the two ends of the sixth rotating rod (304c-1) are rotatably connected to the top surface of the glue storage box (304b); The two ends of the glue storage box (304b) are fixedly connected to the support plate (101) through the U-shaped supporting strips (304d) sleeved on the outer sides of the bottom surfaces of the two ends, a pressing strip (304d-1) is fixedly arranged on the U-shaped supporting strip (304d) above the glue storage box (304b), and the two ends of the U-shaped supporting strip (304d) are both helically sleeved with second locking bolts (304d-2), and one end of the second locking bolt (304d-2) is abutted on the outer side wall of the glue storage box (304b).

6. A tension feed device for packaging bag composite according to claim 4 or 5, characterized in that: The second rotating rod (301a) is fixedly sleeved in the lower pressing roller (301), and the two ends of the second rotating rod (301a) are rotatably connected to the support plate (101) through rolling bearings, one end of the second rotating rod (301a) extends to the outside of the support plate (101) and is embedded in the output end of the third motor (301a-1), and the third motor (301a-1) is fixedly connected to the support plate (101); The third rotating rod (302b) is fixedly sleeved in the upper pressing roller (302), the outer side of the upper end of the upper pressing roller (302) is provided with a U-shaped plate (302a), the two ends of the third rotating rod (302b) are rotatably connected to the U-shaped plate (302a) through rolling bearings, the outer sides of the two ends of the U-shaped plate (302a) are symmetrically fixedly provided with connecting plates (302a-1), the support plate (101) is provided with a through groove (101d) for sliding of the connecting plates (302a-1), a backing plate (101e) is fixedly arranged on the support plate (101) below the connecting plates (302a-1), a T-shaped column (101e-1) is slidably sleeved on one of the connecting plates (302a-1), a first locking bolt (302a-2) is helically sleeved on the other connecting plate (302a-1), and the lower end of the T-shaped column (101e-1) is fixedly arranged on the top surface of the backing plate (101e).

7. A tension feed device for packaging bag composite according to claim 6, wherein: The lower side of each of the lower pressing roller (301) and the upper pressing roller (302) is provided with a collecting box (306), and a scraper (306a) is fixedly arranged on the top surface of one side plate of the collecting box (306) and abuts against the outer side wall of the lower pressing roller (301) or the upper pressing roller (302); One of the collecting boxes (306) is fixedly connected to the U-shaped plate (302a), and the other collecting box (306) is fixedly connected to the support plate (101), one end of the collecting box (306) is provided in an open manner, and a glue outlet groove (101b) is formed in the support plate (101) at the opening.

8. The tensioning and conveying device for packaging bag lamination as described in claim 7, characterized in that: The feeding mechanism (200) is symmetrically arranged below both ends of the support plate (101), and the two tension rollers (102) are located between the two feeding mechanisms (200). The feeding mechanism (200) comprises a placement plate (201), a screw rod (202) and a pressing rod (203), two placement plates (201) are symmetrically arranged in the front-rear direction, one end of each placement plate (201) is screw-coupled to the same screw rod (202) below, both ends of the screw rod (202) are rotatably connected to the support plate (101) through rolling bearings, one end of the screw rod (202) is embedded in the output end of the second motor (202a), and the second motor (202a) is fixedly connected to the support plate (101), a placement groove (201a) is formed in the top surface of the placement plate (201), and an L-shaped block (201b) is fixedly arranged at the lower end of the side of the placement plate (201) close to the tension roller (102); The pressing rod (203) is abutted on the top surface of the L-shaped block (201b), and a limiting groove (101c) for clearance fit of the end of the pressing rod (203) is formed in the support plate (101), the limiting groove (101c) is inclined in the vertical direction, and the inclined lower end is arranged on the side close to the tension roller (102), both ends of the pressing rod (203) are fixedly provided with an extension plate (203a), and a gas cylinder (203b) extending along the long side of the limiting groove (101c) is fixedly arranged on the top surface of the extension plate (203a), and the gas cylinder (203b) is fixedly connected to the support plate (101).

9. The device according to claim 8, wherein: the device is a device for packaging bags. The support plate (101) below the L-shaped block (201b) is fixedly connected with a positioning plate (101f), when the feeding mechanism (200) is in the feeding state, the L-shaped block (201b) is abutted on the positioning plate (101f); One side of each placement plate (201) is provided with a first toothed disc (201c), the first toothed disc (201c) is fixedly connected to the output shaft of the first motor (201c-1), and the first motor (201c-1) is fixedly connected to the side surface of each placement plate (201).

10. The device as claimed in claim 8, wherein: the device is characterized by the fact that the device comprises a pair of rollers (5) arranged to rotate in opposite directions and to press the bag (2) against the conveyor (4) to form a bag (2) with a predetermined length. The vertical section of the placement groove (201a) is V-shaped with an open upper end and composed of a vertical line and an inclined line, and the vertical line is arranged on the side close to the tension roller (102).

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