Release paper pasting device

Abstract

The utility model aims to disclose a release paper sticking device, which relates to the technical field of bag body sealing and comprises a feeding component, a plurality of guide rollers, a pressing roller, a paper sticking roller, a cutter roller and a rubber roller, the paper pasting roller comprises a negative pressure part and a paper pasting part, the paper pasting part protrudes out of the negative pressure part, the paper pasting surface of the paper pasting part is consistent with the long-strip-shaped release paper in shape, a plurality of first air holes are formed in the paper pasting surface, and air distribution assemblies are arranged on the two sides of the paper pasting part respectively; the cutter roller and the paper pasting roller are matched and cut the release paper into long-strip-shaped release paper, and the paper pasting surface adsorbs the long-strip-shaped release paper; the paper sticking device has the advantages that a piece of long-strip-shaped release paper is cut every time the cutter roller rotates by a circle, the long-strip-shaped release paper is adsorbed to the paper sticking face of the paper sticking part and is rotated to a preset position, the long-strip-shaped release paper is stuck to the surface of a bag body material through the first air hole under the positive pressure, and therefore the long-strip-shaped release paper is stuck to the surface of the bag body material. And the paper sticking efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of bag sealing, in particular to a release paper sticking device. Background Art

[0002] Bags, such as food bags and express bags, need to be quickly sealed with release paper. Currently, how to efficiently attach the release paper to the sealing part of the bag is a technical problem that needs to be solved.

[0003] In view of this, there is an urgent need to develop a release paper pasting device to solve the above technical problems. Summary of the Invention

[0004] The purpose of the utility model is to disclose a release paper sticking device.

[0005] To achieve the above-mentioned purpose, the utility model provides a release paper pasting device, comprising a feeding assembly, a plurality of guide rollers, a pressure roller, a pasting roller, a cutter roller and a rubber roller, wherein the release paper passes between the pasting roller and the cutter roller, and the feeding assembly is arranged on the side of the guide roller;

[0006] The sticker roller includes a negative pressure portion and a sticker portion, the sticker portion protrudes from the negative pressure portion, the sticker surface of the sticker portion is consistent with the shape of the long strip of release paper, the sticker surface is provided with a plurality of first air holes, and air distribution components are respectively provided on both sides of the sticker portion;

[0007] The cutter roller cooperates with the sticker roller to cut the release paper into long strips of release paper, and the sticker surface absorbs the long strips of release paper;

[0008] During one rotation of the sticker roller, the first air holes are successively in a negative pressure state, a positive pressure state and a no-pressure state.

[0009] Preferably, it also includes a reversing roller,

[0010] The feeding assembly is arranged at one end of the guide roller, the feeding shaft of the feeding assembly is perpendicular to the guide roller, and the angle between the reversing roller and the guide roller is 45°.

[0011] Preferably, the surface of the cutting roller is provided with cutting grooves and cutting knives.

[0012] Preferably, the cutting knife has a beveled edge.

[0013] Preferably, the blade includes a first end and a second end, and the blade depth of the first end is smaller than the blade depth of the second end.

[0014] Preferably, the sticker portion and the negative pressure portion are designed separately.

[0015] Preferably, the sticker roller is driven by a rotating shaft, and air distribution components are respectively provided at both ends of the rotating shaft;

[0016] The gas distribution assembly includes a gas distribution plate and a gas source plate, wherein a negative pressure air extraction hole, a positive pressure air blowing hole and an arc-shaped waist hole groove are provided on the gas source plate, and the negative pressure air extraction hole is connected to the arc-shaped waist hole groove;

[0017] A mounting groove and a plurality of second air holes are provided on the gas distribution plate, and a third air hole and a fourth air hole are provided on the mounting groove;

[0018] The negative pressure portion includes a plurality of first horizontal holes, and the first horizontal holes are communicated with the second air holes.

[0019] Preferably, a second horizontal hole and a third horizontal hole are provided on the sticker portion, and the second horizontal hole is connected to the first air hole;

[0020] The second horizontal hole is aligned with the third air hole, and when the third air hole is aligned with the arc-shaped waist hole groove, the first air hole is in negative pressure.

[0021] Preferably, when the third air hole is aligned with the positive-pressure blowing hole, the first air hole is under positive pressure.

[0022] Preferably, the sticker portion is further provided with a transition zone, the surface of the transition zone is an arc surface, a plurality of fifth air holes are provided on the surface of the transition zone, the fifth air holes are connected to the third horizontal holes, and the third horizontal holes are aligned with the fourth air holes.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] The utility model cuts out a long strip of release paper every time the cutter roller rotates one circle. After the long strip of release paper is adsorbed on the sticker surface of the sticker part and rotated to a predetermined position, the first air hole sticks the long strip of release paper on the surface of the bag material through positive pressure, and the sticker efficiency is high. The feeding component is arranged on the side of the guide roller, which makes full use of the space of the device and makes the equipment design compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the release paper sticking device of the present invention.

[0026] Figure 2 This is a schematic cross-sectional view of a release paper sticking device of the present invention.

[0027] Figure 3 It is a side view schematic diagram of the release paper sticking device of the present invention.

[0028] Figure 4 This utility model Figure 3 Schematic cross-sectional view at AA.

[0029] Figure 5 This is a schematic diagram of the three-dimensional structure of the sticker roller of the utility model.

[0030] Figure 6 This is a schematic diagram of the exploded structure of the sticker roller of the utility model.

[0031] Figure 7 It is a three-dimensional structural schematic diagram of the sticker roller of the utility model.

[0032] Figure 8 It is a schematic diagram of the main view of the cutter of the utility model.

[0033] Figure 9 It is a top view schematic diagram of the bag body of the utility model.

[0034] Figure 10 This is a schematic diagram of the working process of the sticker roller of the utility model.

[0035] Among them, 1. Feeding assembly; 11. Feeding shaft; 2. Guide roller; 3. Pressure roller; 4. Sticker roller; 41. Negative pressure part; 411. First horizontal hole; 42. Sticker part; 421. Sticker surface; 422. First air hole; 423. Second horizontal hole; 424. Third horizontal hole; 425. Transition zone; 426. Fifth air hole; 43. Air distribution assembly; 431. Air distribution plate; 4311. Mounting slot; 4312. Second air hole ; 4313, third air hole; 4314, fourth air hole; 432, air source plate; 4321, negative pressure exhaust hole; 4322, positive pressure blowing hole; 4323, arc-shaped waist hole groove; 5, cutting knife roller; 51, knife groove; 52, cutting knife; 521, blade; 522, first end; 523, second end; 6, rubber roller; 7, release paper; 71, long strip release paper; 8, reversing roller; 9, bag body; 91, sealing; 10, rotating shaft. DETAILED DESCRIPTION

[0036] The present invention is described in detail below with reference to the various embodiments shown in the accompanying drawings. However, it should be noted that these embodiments are not limitations of the present invention, and any equivalent transformations or substitutions in functions, methods, or structures made by ordinary technicians in this field based on these embodiments are all within the scope of protection of the present invention.

[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0038] The specific implementation process of the present invention is described below through multiple embodiments.

[0039] Example 1

[0040] See also Figures 1 to 10 This embodiment discloses a specific implementation of a release paper sticking device.

[0041] See also Figures 1 to 10 , a release paper pasting device includes a feeding assembly 1, several guide rollers 2, a pressure roller 3, a pasting roller 4, a cutter roller 5 and a rubber roller 6, and the release paper 7 passes between the pasting roller 4 and the cutter roller 5; the pasting roller 4 includes a negative pressure part 41 and a pasting part 42, the pasting part 42 protrudes from the negative pressure part 41, and the pasting surface 421 of the pasting part 42 is consistent with the shape of the long strip of release paper 71. The pasting surface 421 is provided with several first air holes 422, and the first air holes 422 are covered with the pasting surface 421 in a row. Air distribution components 43 are respectively provided on both sides of the pasting part 42; the cutter roller 5 cooperates with the pasting roller 4 and cuts the release paper 7 into long strips of release paper 71, and the pasting surface 421 absorbs the long strip of release paper 71; during the process of the pasting roller 4 rotating one circle, the first air holes 422 are successively in a negative pressure state, a positive pressure state and a pressure-free state.

[0042] Specifically, the release paper 7 is loaded from the loading assembly 1. The release paper pasting device further includes a reversing roller 8. The loading assembly 1 is arranged at one end of the guide roller 2. The loading shaft 11 of the loading assembly 1 is perpendicular to the guide roller 2. The angle between the reversing roller 8 and the guide roller 2 is 45 degrees. The release paper 7 is loaded from one side and is reversed by the reversing roller 8 and then passes through the guide roller 2. The cooperation between the loading assembly 1 and the reversing roller 8 makes the design of the release paper pasting device more compact and saves space. Figure 9 The purpose of this embodiment is to attach a long strip of release paper 71 near the seal 91 of the bag body 9. The bag body 9 is pre-coated with a long strip of pressure-sensitive adhesive. When the bag body 9 passes between the sticker roller 4 and the adhesive roller 6, the long strip of release paper 71 is attached to the long strip of pressure-sensitive adhesive.

[0043] The release paper pasting device operates as follows: First, release paper 7 is fed from the feeding assembly 1 and passes through a reversing roller 8, a plurality of guide rollers 2, a pressure roller 3, and a pasting roller 4. The pressure roller 3 is preferably a brush roller for dust removal. Second, the end of the release paper 7 is attracted to the pasting surface 421, and the remaining portion of the release paper 7 is attracted to the negative pressure portion 41. Third, the cutter roller 5 cooperates with the pasting roller 4 to cut a long strip of release paper 71 along the edge of the pasting surface 421. In the fourth step, the long strip of release paper 71 continues to be adsorbed by the sticker surface 421 in the negative pressure state. As the sticker roller 4 continues to rotate, the long strip of release paper 71 is driven to the long strip of pressure-sensitive adhesive contacting the bag body 9. At this moment, the sticker surface 421 changes from negative pressure to positive pressure, and the long strip of release paper 71 is pressed against the long strip of pressure-sensitive adhesive. In the fifth step, after the long strip of release paper 71 is pasted, the sticker surface 421 changes from positive pressure to no pressure until the sticker surface 421 contacts the release paper 7 again. At the end, the sticker surface 421 changes from a non-pressure state to a negative pressure state, and the sticker surface 421 drives the release paper 7 to advance a distance of the width of the long strip of release paper 71; through the cycle from the first step to the fifth step, each time the sticker roller 4 rotates one circle, it drives the release paper 7 to advance a distance of the width of the long strip of release paper 71, and is cut into a long strip of release paper 71 by the cutter roller 5, and as the sticker roller 4 continues to rotate, the long strip of release paper 71 is pressed and attached to the long strip of pressure-sensitive adhesive on the bag body 9; It should be noted that the negative pressure portion 41 is always in a negative pressure state. When the release paper 7 needs to advance a distance the width of a long strip of release paper 71, the servo motor controls several guide rollers and the sticker surface 421 and the negative pressure portion 41 jointly drive the release paper 7 to advance a distance the width of a long strip of release paper 71; when the release paper 7 no longer needs to advance, the servo motor controls several guide rollers to stop rotating, and the release paper 7 slips and adheres to the negative pressure portion 41 to ensure that the release paper 7 is always in a tensioned state.

[0044] See also Figures 2 to 4 、 Figure 8 The surface of the cutting roller 5 is provided with a knife groove 51 and a cutter 52, and the cutter 52 is installed in the knife groove 51. The cutter 52 is a bevel blade 521, and the blade 521 includes a first end 522 and a second end 523. The blade depth of the first end 522 is less than the blade depth of the second end 523. The cutter 52 cuts the edge of the sticker surface 421 in a hard-hitting manner. In order to quickly cut off the release paper 7, the bevel blade 521 and the gradual change characteristics of its blade depth enable the blade 521 to cut the release paper 7 in a point contact manner rather than surface contact, which makes it easier to cut the release paper and the cutting blade is not easily damaged.

[0045] See also Figures 5 to 7The working principle of the first air hole 422 being in a negative pressure state, a positive pressure state and a pressure-free state in sequence is as follows: the sticker portion 42 and the negative pressure portion 41 are designed as separate parts, and the sticker portion 42 is detachably mounted on the sticker roller 4; the sticker roller 4 is driven by a rotating shaft 10, and air distribution components 43 are respectively provided at both ends of the rotating shaft 10. The two air distribution components 43 can allow air to enter both ends of the sticker portion 42 and the negative pressure portion 41 at the same time, thereby ensuring the consistency of the air pressure on both sides; the air distribution component 43 includes an air distribution disk 431 and an air source disk 432. The gas source plate 432 is provided with a negative pressure exhaust hole 4321, a positive pressure blowing hole 4322 and an arc-shaped waist hole groove 4323, and the negative pressure exhaust hole 4321 is connected to the arc-shaped waist hole groove 4323; a mounting groove 4311 and a plurality of second air holes 4312 are provided on the gas distribution plate 431, and a third air hole 4313 and a fourth air hole 4314 are provided on the mounting groove 4311; the negative pressure part 41 includes a plurality of first horizontal holes 411, the first horizontal hole 411 is connected to the second air hole 4312, and a plurality of second air holes 4314 are provided on the mounting groove 4311; The air holes 4312 are distributed in an arc shape along the gas distribution plate 431. The second air holes 4312 correspond to the first horizontal holes 41 in number and are connected, so that the negative pressure part 41 is always in a negative pressure state; a second horizontal hole 423 and a third horizontal hole 424 are provided on the sticker part 42, and the second horizontal hole 423 is connected to the first air hole 422; when the second horizontal hole 423 is aligned with the third air hole 4313 and the third air hole 4313 is aligned with the arc-shaped waist hole groove 4323, the first air hole 422 is in a negative pressure state, thereby The sticker surface 421 is placed in a negative pressure state; when the third air hole 4313 is aligned with the positive pressure blowing hole 4322, the first air hole 422 is in a positive pressure state, thereby placing the sticker surface 421 in a positive pressure state, i.e., blowing air; the sticker portion 42 is further provided with a transition area 425, the surface of which is an arc surface, and a plurality of fifth air holes 426 are provided on the surface of the transition area 425, the fifth air holes 426 being connected to the third horizontal holes 424, and the third horizontal holes 424 are aligned with the fourth air holes 4314. Figure 10Point A is the starting point where the end of the release paper 7 is adsorbed onto the sticker surface 421. The sticker surface 421 rotates the cut long strip of release paper 71 to point B. During the process of rotating from point A to point B, the third air hole 4313 rotates along with the sticker roller 4 but is aligned with the arc-shaped waist hole groove 4323, so that the sticker surface 421 is in a negative pressure state; during the process of rotating from point B to point C, the third air hole 4313 rotates along with the sticker roller 4 but leaves the arc-shaped waist hole groove 4323 and is aligned with the positive pressure blowing hole 4322, so that the sticker surface 421 is in a positive pressure state, and the long strip of release paper 71 is rotated to point B. The strip of release paper 71 is pressed against the bag body 9, and the sticker portion 42 protrudes from the negative pressure portion 41, so that only the sticker surface 421 can contact the long strip of pressure-sensitive adhesive, preventing the long strip of pressure-sensitive adhesive from adhering to other places; in the process of rotating from point C to point A, the third air hole 4313 rotates with the sticker roller 4 but does not contact the positive pressure blowing hole 4322 or the arc-shaped waist hole groove 4323, so that the sticker surface 421 is in a pressure-free state until it starts to contact the end of the release paper 7 and turns to negative pressure. Therefore, each time the sticker roller 4 rotates one circle, a long strip of release paper 71 is attached.

Claims

1. Release paper sticking device, characterized in that: It includes a feeding assembly, a plurality of guide rollers, a pressing roller, a sticker roller, a cutter roller and a rubber roller. The release paper passes between the sticker roller and the cutter roller. The feeding assembly is arranged on the side of the guide roller. The sticker roller includes a negative pressure portion and a sticker portion, the sticker portion protrudes from the negative pressure portion, the sticker surface of the sticker portion is consistent with the shape of the long strip of release paper, the sticker surface is provided with a plurality of first air holes, and air distribution components are respectively provided on both sides of the sticker portion; The cutter roller cooperates with the sticker roller to cut the release paper into long strips of release paper, and the sticker surface absorbs the long strips of release paper; During one rotation of the sticker roller, the first air holes are successively in a negative pressure state, a positive pressure state and a no-pressure state.

2. The release paper sticking device according to claim 1, wherein: Also includes a reversing roller, The feeding assembly is arranged at one end of the guide roller, the feeding shaft of the feeding assembly is perpendicular to the guide roller, and the angle between the reversing roller and the guide roller is 45°.

3. The release paper sticking device according to claim 1, wherein: The surface of the cutting roller is provided with a cutting groove and a cutting knife.

4. The release paper sticking device according to claim 3, wherein: The cutting knife has a beveled blade.

5. The release paper sticking device according to claim 4, characterized in that: The blade includes a first end and a second end, wherein the blade depth of the first end is smaller than the blade depth of the second end.

6. The release paper sticking device according to any one of claims 1 to 5, characterized in that: The sticker portion and the negative pressure portion are designed separately.

7. The release paper sticking device according to claim 6, wherein: The sticker roller is driven by a rotating shaft, and air distribution components are respectively provided at both ends of the rotating shaft; The gas distribution assembly includes a gas distribution plate and a gas source plate, wherein a negative pressure air extraction hole, a positive pressure air blowing hole and an arc-shaped waist hole groove are provided on the gas source plate, and the negative pressure air extraction hole is connected to the arc-shaped waist hole groove; A mounting groove and a plurality of second air holes are provided on the gas distribution plate, and a third air hole and a fourth air hole are provided on the mounting groove; The negative pressure portion includes a plurality of first horizontal holes, and the first horizontal holes are communicated with the second air holes.

8. The release paper sticking device according to claim 7, wherein: A second horizontal hole and a third horizontal hole are provided on the sticker portion, wherein the second horizontal hole is connected to the first air hole; The second horizontal hole is aligned with the third air hole, and when the third air hole is aligned with the arc-shaped waist hole groove, the first air hole is in negative pressure.

9. The release paper sticking device according to claim 7, wherein: When the third air hole is aligned with the positive-pressure air hole, the first air hole is at positive pressure.

10. The release paper sticking device according to claim 8, wherein: The sticker portion is further provided with a transition zone, the surface of the transition zone is an arc surface, a plurality of fifth air holes are provided on the surface of the transition zone, the fifth air holes are connected with the third horizontal holes, and the third horizontal holes are aligned with the fourth air holes.

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