Processing roller for shrink film and shrink film

Abstract

The utility model provides a processing roller for a shrink film and the shrink film, and belongs to the technical field of packaging materials, the processing roller comprises a roller body, a plurality of mounting rings, a plurality of base plates, a plurality of forming needles and a plurality of extrusion fixing parts, the mounting ring is fixedly mounted on the roller body, and a plurality of mounting grooves and a plurality of mounting holes are formed in the mounting ring; the base plates are in one-to-one correspondence with the mounting grooves, the forming needles and the extrusion fixing pieces, the base plates are slidably mounted in the corresponding mounting grooves, the forming needles are perpendicular to the outer circle face of the mounting ring, one ends of the forming needles are mounted in the mounting grooves, and the other ends of the forming needles are located outside the mounting grooves; one end of the extrusion fixing piece is installed in the installation hole, connected with the base plate and used for driving the base plate to move towards the forming needle. According to the processing roller for the shrink film provided by the utility model, the processed shrink film is provided with a plurality of groups of through holes which are transversely arranged, and the distance between two adjacent through holes in the same group is larger; therefore, the shrink film has a good shrink effect, and the toughness of the shrink film is relatively high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to packaging material technical field, more specifically, relate to a kind of processing roller for shrink film and shrink film. BACKGROUND

[0002] In order to ensure that the product is not susceptible to external impurities or water and other factors pollution, often using shrink film surrounds product outside, and shrink film is provided with a plurality of through holes, to facilitate the user to unpack and the like operation. At present, a plurality of through holes are processed on shrink film by roller, and the plurality of through holes are arranged in rectangular array, that is, including a plurality of longitudinally spaced transverse hole groups. This way of arranging through holes can easily cause the shrink film to shrink unevenly, and the shrink film to have a large shrink angle due to insufficient toughness, and local damage to occur. And during the shrinkage process, the shrink film loses ductility due to high ambient temperature, which can easily cause the film to break when touched. SUMMARY

[0003] The utility model discloses a kind of processing roller for shrink film and shrink film, to solve the technical problems that the through hole processed on shrink film in prior art causes the poor shrinkage effect of shrink film, and the insufficient toughness of shrink film.

[0004] To achieve the above object, the utility model adopts the technical scheme of providing a kind of processing roller for shrink film, comprising:

[0005] Roller body, for being installed above the conveying mechanism, and being drivingly connected with driving mechanism;

[0006] Mounting ring, the number is multiple, and is fixedly installed on the outer side of the roller body;Multiple mounting rings are arranged along the axial direction of the roller body;Multiple mounting grooves are arranged on the outer circumferential surface of the mounting ring, and multiple mounting holes are arranged on the side surface, which are communicated with the mounting grooves;The difference between the installation angles of two adjacent mounting rings is equal to N times of the included angle between two adjacent mounting grooves on the same mounting ring, wherein N is an integer;

[0007] Backing plate, the number is multiple, and is one-to-one corresponding with multiple mounting grooves;The backing plate is installed in the corresponding mounting groove, and is slidably connected with the inner wall of the mounting groove;

[0008] Forming needle, the number is multiple, and is one-to-one corresponding with multiple mounting grooves;The forming needle is perpendicular to the outer circumferential surface of the mounting ring, and one end is installed in the mounting groove, and the other end is located outside the mounting groove;

[0009] A plurality of extrusion fixing members correspond to the plurality of mounting grooves, one end of the extrusion fixing member is installed in the mounting hole and connected with the pad plate, and the pad plate is driven to move towards the forming needle and press the forming needle.

[0010] In a possible implementation, one end of the forming needle is fixed with a clamping block for installation in the mounting groove, and one side of the pad plate extrudes the clamping block.

[0011] In a possible implementation, a plurality of communication grooves are arranged on the outer side of the same mounting ring, the communication grooves are located between two adjacent mounting grooves, and the two ends of the communication grooves are in communication with the two mounting grooves; the plurality of clamping blocks are arranged in a ring shape, and a connecting strip for installation in the communication groove is arranged between two adjacent clamping blocks.

[0012] In a possible implementation, the two clamping blocks at the two ends are each provided with a fixed plate, and the two fixed plates are each provided with a fixed hole and a screw installed in the fixed hole; the outer circular surface of the mounting ring is provided with a screw hole corresponding to the two fixed holes; the fixed plate and the mounting ring are fixedly connected by the screw passing through the fixed hole and being threadedly connected with the screw hole.

[0013] In a possible implementation, the mounting hole is a screw hole, the extrusion fixing member is a bolt threadedly connected in the screw hole, and one end of the bolt is rotatably connected with the pad plate.

[0014] In a possible implementation, an arc-shaped groove is arranged on the pad plate, the depth of the arc-shaped groove is less than the outer diameter of one end of the forming needle, and the width of the arc-shaped groove is greater than the outer diameter of the forming needle.

[0015] In a possible implementation, an annular groove is arranged on the outer side of the roller body, and the mounting ring is fitted in the annular groove; the thickness of the mounting ring is greater than the depth of the annular groove.

[0016] In a possible implementation, the N is 2 or 3 or 4.

[0017] The shrink film processing roller has the beneficial effects that: compared with the prior art, the shrink film processing roller is characterized in that a plurality of mounting rings are fixedly installed on the roller body before work, the mounting rings are arranged at intervals, and the mounting angle difference between the adjacent two mounting rings is formed by rotating the mounting ring, so that the adjacent mounting grooves are arranged in a staggered manner, and then the mounting ring and the roller body are fixedly connected; then a plurality of forming needles are installed in the mounting grooves, and the forming needles are extruded and fixed in the mounting grooves by means of the pad driven by controlling the extrusion fixing part. When working, the roller body is rotated by starting the driving mechanism, a plurality of groups of through holes arranged in a transverse direction are formed on the shrink film by the plurality of forming needles, and the distance between the two through holes in the same group is large; meanwhile, another group of through holes arranged adjacent to each other has a through hole located between the two through holes in the same group, so as to ensure that the shrink film has good shrinkage effect and high toughness.

[0018] Another purpose of the utility model is to provide a kind of shrink film, application any one above-mentioned shrink film processing roller.

[0019] In one possible implementation, the shrink film has a plurality of groups of through holes arranged in a transverse direction, and the two groups of through holes arranged in a transverse direction are arranged in a staggered manner in a longitudinal direction.

[0020] The shrink film provided by the utility model has the beneficial effects that: a plurality of groups of through holes arranged in a transverse direction are formed on the shrink film by the shrink film processing roller, and the distance between the two through holes in the same group is large, so as to ensure that the shrink film has good shrinkage effect and high toughness. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1 The front view of the shrink film processing roller provided by the utility model embodiment is shown in the figure.

[0023] Figure 2 The connection schematic diagram of the mounting ring, the pad, the forming needle and the extrusion fixing part provided by the utility model embodiment is shown in the figure.

[0024] Figure 3 The Figure 2 The enlarged view of A in the figure.

[0025] Figure 4 The structure schematic diagram of the mounting ring provided by the utility model embodiment is shown in the figure.

[0026] Figure 5 A side view of the mounting ring provided in an embodiment of this utility model;

[0027] Figure 6 This is a schematic diagram of the structure of the card block, connecting strip, and fixing plate provided in an embodiment of the present utility model;

[0028] Figure 7 Connection diagram of the mounting ring, forming pin, and extrusion fixing member provided in the embodiments of this utility model Figure 1 ;

[0029] Figure 8 Connection diagram of the mounting ring, forming pin, and extrusion fixing member provided in the embodiments of this utility model Figure 2 ;

[0030] Figure 9 This is a schematic diagram of the structure of the shrink film provided in an embodiment of the present invention.

[0031] The following are the labeling elements in the figure:

[0032] 1. Roller body; 2. Mounting ring; 21. Mounting groove; 22. Mounting hole; 23. Connecting groove; 3. Pad plate; 4. Forming needle; 41. Clamping block; 42. Connecting strip; 43. Fixing plate; 44. Screw; 5. Extrusion fixing component; 6. Shrink film; 61. Through hole. Detailed Implementation

[0033] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0034] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0035] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0036] In addition, the terms "first", "second", etc. are used only for descriptive purposes and should not be construed as indicating or implying relative importance or an indicated number of technical features. Therefore, the features defined as "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified.

[0037] Please refer to Figures 1 to 8 The utility model provides a processing roll for shrink film, a processing roll for shrink film, including roll body 1, installation ring 2, backing plate 3, forming needle 4 and extrusion fixing piece 5, roll body 1 is used to install in the top of conveying mechanism, and with drive mechanism transmission connection, the number of installation ring 2 is multiple, and all fixedly installed on the outside of roll body 1, multiple installation ring 2 is arranged along the axial direction of roll body 1, and multiple installation grooves 21 are evenly arranged on the outer circumferential surface of installation ring 2, and multiple installation holes 22 are arranged on the side surface and communicated with multiple installation grooves 21, the installation angle difference of adjacent two installation ring 2 is equal to the Nth of the included angle of adjacent two installation grooves 21 on the same installation ring 2, wherein N is integer, the number of backing plate 3 is multiple, and with multiple installation grooves 21 one to one correspondence, backing plate 3 is installed in corresponding installation groove 21, and with installation groove 21 inner wall sliding fit connection, the number of forming needle 4 is multiple, and with multiple installation grooves 21 one to one correspondence, forming needle 4 is arranged perpendicularly to the outer circumferential surface of installation ring 2, and one end is installed in installation groove 21, and the other end is located outside installation groove 21, the number of extrusion fixing piece 5 is multiple, and with multiple installation grooves 21 one to one correspondence, one end of extrusion fixing piece 5 is installed in installation hole 22, and is connected with backing plate 3, for driving backing plate 3 towards forming needle 4 movement and pressure action on forming needle 4.

[0038] The processing roll for shrink film provided by the utility model compared with prior art, before work, multiple installation ring 2 is fixedly installed on roll body 1, and installation ring 2 is arranged at intervals, and the installation angle difference between adjacent two installation ring 2 is formed by rotating installation ring 2, so that adjacent installation groove 21 is arranged staggeredly, and then multiple forming needle 4 is installed in each installation groove 21, and extrusion fixing piece 5 is controlled to drive backing plate 3 towards forming needle 4 movement, and forming needle 4 is extruded and fixed in installation groove 21 by backing plate 3. When working, the drive mechanism is started to make roll body 1 rotate, and multiple forming needle 4 forms multiple groups of transversely arranged through holes 61 on shrink film 6, and the distance between adjacent two through holes 61 in the same group is large. At the same time, another group of through holes 61 arranged adjacent to each other has a through hole 61 located between the two adjacent through holes 61 in the same group, so as to ensure that the shrink film 6 has good shrinkage effect and high toughness.

[0039] As an embodiment of the utility model, the multiple installation rings 2 are numbered from one end of the roller body 1, wherein the installation rings 2 numbered 1, 4, 7, etc. are a group and have consistent installation angles, the installation rings 2 numbered 2, 5, 8, etc. are a group and have consistent installation angles, and the installation rings 2 numbered 3, 6, 9, etc. are a group and have consistent installation angles. Specifically, the installation rings 2 numbered 2 and 3 are located between the installation rings 2 numbered 1 and 4, and the installation grooves 21 on the installation rings 2 numbered 2 and 3 are projected on the installation ring 2 numbered 1, so that the multiple installation grooves 21 on the installation rings 2 numbered 2 and 3 are respectively located between two adjacent installation grooves 21 on the installation ring 2 numbered 1 and are uniformly arranged at intervals on the installation ring 2 numbered 1. In this way, the forming needles 4 on the installation rings 2 numbered in the same group are completely corresponding to the transversely arranged through holes 61 formed by the shrink film 6, and the forming needles 4 on the installation rings 2 numbered in different groups are staggered arranged on the shrink film 6 to form multiple groups of through holes 61.

[0040] Please refer to Figures 1 to 8 As a specific embodiment of the utility model provided by the shrink film processing roller, one end of the forming needle 4 is fixedly provided with a clamping block 41 for being installed in the installation groove 21, and one side of the backing plate 3 is pressed on the clamping block 41; the clamping block 41 is installed in cooperation with the installation groove 21, and the limiting relationship between the outer side surface of the clamping block 41 and the inner wall of the installation groove 21 can quickly and accurately complete the installation of the forming needle 4. After the clamping block 41 is installed in the installation groove 21, the backing plate 3 is located at one side of the clamping block 41, and then the extrusion fixing piece 5 is controlled to tightly extrude the clamping block 41. A vertical hole is formed in the clamping block 41, and one end of the forming needle 4 is installed in the vertical hole and is welded and fixed. Or a vertically arranged screw hole is formed in the clamping block 41, an outer threaded section is arranged on the outer side of one end of the forming needle 4 and is screwed with the screw hole, and a nut is used to fix the forming needle 4 on the clamping block 41.

[0041] Please refer to Figures 4 to 6, as a specific embodiment of the shrink film processing roller provided by the utility model, a plurality of communication grooves 23 are arranged on the outer side of the same mounting ring 2, the communication grooves 23 are located between the two adjacent mounting grooves 21, and the two ends of the communication grooves 23 are communicated with the two mounting grooves 21; a plurality of clamping blocks 41 are arranged in a ring shape, and a connecting strip 42 for being mounted in the communication groove 23 is arranged between the two adjacent clamping blocks 41; the connecting strip 42 is arranged in a flexible manner, for example, a thin steel sheet or the like. The plurality of clamping blocks 41 are arranged at intervals, and the plurality of connecting strips 42 are located between the two adjacent clamping blocks 41, and the two ends of the connecting strip 42 are fixedly connected with the two clamping blocks 41; when the plurality of forming needles 4 are mounted, the whole structure composed of the plurality of clamping blocks 41 and the plurality of connecting strips 42 can be simultaneously mounted on the mounting ring 2 in a ring shape, the clamping block 41 is mounted into the mounting groove 21 in cooperation, and the connecting strip 42 is mounted into the communication groove 23, and the mounting speed and accuracy are relatively high. Finally, the plurality of clamping blocks 41 are fixed by using the extrusion fixing piece 5.

[0042] Please refer to Figure 6 , as a specific embodiment of the shrink film processing roller provided by the utility model, the two clamping blocks 41 at both ends are each provided with a fixed plate 43, and the two fixed plates 43 are each provided with a fixed hole and a screw 44 mounted on the fixed hole; the outer circular surface of the mounting ring 2 is provided with screw holes corresponding to the two fixed holes; the fixed plate 43 is fixedly connected with the mounting ring 2 through the screw 44 penetrating through the fixed hole and being threadedly connected with the screw hole; after the plurality of forming needles 4, the plurality of clamping blocks 41 and the plurality of connecting strips 42 are mounted on the mounting ring 2 as a whole, the two fixed plates 43 are arranged close to each other, and the two fixed plates 43 are located between the two adjacent mounting grooves 21. The fixed holes on the two fixed plates 43 are coaxially aligned with the screw holes on the mounting ring 2, then a bolt is used to penetrate through the fixed hole and be threadedly connected with the screw hole, so as to fixedly connect the fixed plate 43 with the mounting ring 2, and realize that the plurality of forming needles 4, the plurality of clamping blocks 41 and the plurality of connecting strips 42 are fixedly connected as a whole on the mounting ring 2.

[0043] Please refer to Figures 1 to 3 、 Figure 7 and Figure 8 , as a specific embodiment of the shrink film processing roller provided by the utility model, the mounting hole 22 is a screw hole, the extrusion fixing piece 5 is a bolt threadedly connected in the screw hole, and one end of the bolt is rotatably connected with the backing plate 3; the bolt is threadedly connected into the screw hole, and one end enters the mounting groove 21 and is connected with the backing plate 3; the bolt is screwed to extrude the backing plate 3 to slide in the mounting groove 21, and the backing plate 3 tightly acts on the forming needle 4. One end of the bolt is rotatably connected with the backing plate 3, preferably, a connecting hole and a bearing mounted in the connecting hole are arranged on one side of the backing plate 3, and one end of the bolt is fixedly connected with the inner ring of the bearing.

[0044] As a specific embodiment of the shrink film processing roller provided by the utility model, the arc-shaped groove is formed on the backing plate 3, and the depth of the arc-shaped groove is smaller than the outer diameter of the one end of the forming needle 4, and the width of the arc-shaped groove is larger than the outer diameter of the forming needle 4; when the backing plate 3 is in contact with the forming needle 4, the forming needle 4 enters the arc-shaped groove of the backing plate 3, and the forming needle 4 is limited by the size of the arc-shaped groove, and the fastening connection is realized.

[0045] Please refer to Figure 1 and Figure 2 As a specific embodiment of the shrink film processing roller provided by the utility model, the outer side of the roller body 1 is provided with an annular groove, and the mounting ring 2 is cooperatively mounted in the annular groove; the thickness of the mounting ring 2 is greater than the depth of the annular groove; that is, the mounting ring 2 is first mounted into the annular groove, and the mounting position of the mounting ring 2 is accurate and stable by means of the annular groove, and the outer side of the mounting ring 2 protrudes outward from the outer side of the roller body 1, so that the operation of mounting the forming needle 4 and the like is facilitated. The mounting ring 2 is fixed on the roller body 1 by welding or the like.

[0046] Please refer to Figure 1 and Figure 2 As a specific embodiment of the shrink film processing roller provided by the utility model, N is 2 or 3 or 4, so that the distance between the two through holes 61 arranged in the transverse direction is large, and the shrink film 6 has good shrinkage effect and high toughness.

[0047] Please refer to Figure 9 The utility model embodiment further provides a kind of shrink film 6, and the shrink film 6 includes any one of the above shrink film processing roller.

[0048] The shrink film 6 provided by the utility model adopts the above shrink film processing roller, so that a plurality of groups of through holes 61 arranged in the transverse direction are formed on the shrink film 6, and the distance between the two through holes 61 in the same group is large, to ensure that the shrink film 6 has good shrinkage effect and high toughness.

[0049] Please refer to Figure 9 As a specific embodiment of the shrink film 6 provided by the utility model, the shrink film 6 has a plurality of groups of through holes 61 arranged in the transverse direction, and the two groups of through holes 61 arranged in the transverse direction are arranged in the longitudinal direction. By this way, the distance between the through holes 61 arranged in the transverse direction is increased, and the two through holes 61 on the two adjacent mounting rings 2 in the axial direction of the roller body 1 are arranged in an inclined linear manner, so that the through holes 61 arranged in an inclined linear manner are changed into spiral arrangement when the shrink film 6 is wrapped on the outer side of the product, the shrink film 6 has good toughness, the shrinkage effect is improved, the waste caused by repeated shrinkage and the manual unpacking time are reduced, and the quality is improved to ensure the shrinkage effect of the product and make the product more beautiful.

[0050] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A processing roll for shrink film, characterized by, The utility model relates to a processing roller for processing through hole on shrink film, comprising: a roller body for being installed above a conveying mechanism and being in transmission connection with a driving mechanism; a plurality of mounting rings are fixedly installed on the outer side surface of the roller body; the mounting rings are arranged along the axial direction of the roller body; a plurality of mounting grooves are arranged on the outer circumferential surface of the mounting ring in a circumferential direction; a plurality of mounting holes are arranged on the side surface of the mounting ring and are in communication with the mounting grooves; the mounting angle difference between two adjacent mounting rings is equal to N times of the included angle between two adjacent mounting grooves on the same mounting ring, wherein N is an integer; a plurality of pads are provided in one-to-one correspondence with the mounting grooves; the pad is installed in the corresponding mounting groove and is in sliding fit connection with the inner wall of the mounting groove; a plurality of forming needles are provided in one-to-one correspondence with the mounting grooves; the forming needle is perpendicular to the outer circumferential surface of the mounting ring and is installed in one end of the mounting groove and the other end is located outside the mounting groove; a plurality of extrusion fixing members are provided in one-to-one correspondence with the mounting grooves; one end of the extrusion fixing member is installed in the mounting hole and is connected with the pad for driving the pad to move towards the forming needle and apply pressure to the forming needle.

2. The processing roll for shrink film according to claim 1, characterized by One end of the forming needle is provided with a clamping block for being installed in the mounting groove; one side of the pad is extruded on the clamping block.

3. The processing roll for shrink film according to claim 2, characterized by A plurality of communication grooves are arranged on the outer side surface of the same mounting ring; the communication grooves are located between two adjacent mounting grooves and are in communication with the two mounting grooves at both ends; a plurality of clamping blocks are arranged in a ring shape and a connecting strip is arranged between two adjacent clamping blocks for being installed in the communication groove.

4. The processing roll for shrink film according to claim 3, characterized by Both ends of the clamping block are provided with a fixing plate and a screw hole and a screw is installed in the screw hole; the outer circumferential surface of the mounting ring is provided with a screw hole corresponding to the two screw holes; the fixing plate and the mounting ring are fixedly connected by the screw which passes through the screw hole and is in threaded connection with the screw hole.

5. The processing roll for shrink film according to claim 1, characterized by The mounting hole is a screw hole; the extrusion fixing member is a bolt which is screwed into the screw hole; one end of the bolt is rotatably connected with the pad.

6. The processing roll for shrink film according to claim 1, characterized by An arc-shaped groove is arranged on the pad; the depth of the arc-shaped groove is smaller than the outer diameter of one end of the forming needle; and the width of the arc-shaped groove is greater than the outer diameter of the forming needle.

7. The processing roll for shrink film according to claim 1, characterized by An annular groove is arranged on the outer side surface of the roller body; the mounting ring is fitted into the annular groove; and the thickness of the mounting ring is greater than the depth of the annular groove.

8. The processing roll for shrink film according to claim 1, characterized by N is 2 or 3 or 4.

9. A shrink film characterized in that, The processing roller for processing through hole on shrink film is applied to process through hole on shrink film.

10. The shrink film according to claim 9, wherein A plurality of groups of through holes are arranged in a transverse direction on the shrink film; and two adjacent groups of through holes arranged in a transverse direction are arranged in a staggered manner in a longitudinal direction.

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