Gluing mechanism for paper bag forming

Abstract

The utility model aims to disclose a gluing mechanism for paper bag forming, which relates to the technical field of paper bag forming and comprises a vertical plate wall, a glue disc, a glue uniformizing roller, a gluing component and a connecting rod lifting component, the gluing assembly comprises an arc-shaped swing arm and a gluing roller rotationally installed at the first end of the arc-shaped swing arm, an arc-shaped face is arranged at the top of the arc-shaped swing arm, a sliding block is arranged above the arc-shaped face, the sliding block is provided with a wedge-shaped face, an air cylinder drives the sliding block to move horizontally, and the air cylinder drives the gluing roller to move horizontally. The wedge-shaped surface and the arc-shaped surface are matched to drive the arc-shaped swing arm to swing up and down; the glue spreading device has the beneficial effects that the arc-shaped swing arm is driven to swing up and down through translation of the sliding block, and particularly, the arc-shaped swing arm is driven to swing up and down through matching of the wedge-shaped surface and the arc-shaped surface, so that the glue spreading roller and the glue uniformizing roller are quickly contacted or separated from each other.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper bag forming technical field especially relates to a paper bag forming is glued mechanism with. BACKGROUND

[0002] Paper bag forming needs to be glued mechanism, in order to be coated with glue on the predetermined position of bag body, the glue roller of gluing mechanism needs and uniform glue roller contact when gluing, and uniform glue roller is separated when not gluing, how make the glue roller and uniform glue roller convenient separation, after separation, how guarantee the glue surface dry in glue disc and guarantee the glue dry on the surface of uniform glue roller, it is the technical problem that needs to be solved.

[0003] Therefore, it is urgent to develop a paper bag forming is glued mechanism to solve the above technical problems. SUMMARY

[0004] The utility model discloses a paper bag forming is glued mechanism.

[0005] In order to realize the above-mentioned invention purpose, the utility model provides a paper bag forming is glued mechanism, including vertical board wall, glue disc, uniform glue roller, glue component and connecting rod lifting assembly,

[0006] The glue component includes arc swing arm and glue roller that is rotatably installed at the first end of the arc swing arm, arc surface is arranged at the top of the arc swing arm, and the slider is arranged above the arc surface, the slider is provided with wedge surface, the slider is driven to translate by the air cylinder, and the arc swing arm is driven to swing up and down by the cooperation of the wedge surface and the arc surface.

[0007] The curvature of the roller surface of the glue roller is 30°-45°.

[0008] Preferably, the motor drives the uniform glue roller through the one-way shaft.

[0009] The first end of the arc swing arm is installed with the first shaft, and the glue roller is installed on the first shaft.

[0010] The first gear is arranged on the one-way shaft, the first gear is engaged with the second gear through a plurality of intermediate gears, and the second gear drives the second shaft to rotate.

[0011] The first shaft and the second shaft are connected through the cross sleeve assembly.

[0012] Preferably, the first tension spring is arranged between the vertical board wall and the arc swing arm.

[0013] Preferably, the glue scraping assembly is arranged on the side of the uniform glue roller.

[0014] The glue scraping assembly comprises a first push block, a first screw rod, a first fixed block, a first spring, a second push block, a second screw rod, a second fixed block and a second spring, and a scraping plate is installed on the first push block and the second push block;

[0015] The first screw rod is installed on the first fixed block and drives the first push block to move, and two ends of the first spring are connected to the first push block and the first fixed block respectively;

[0016] The second screw rod is installed on the second fixed block and drives the second push block to move, and two ends of the second spring are connected to the second push block and the second fixed block respectively.

[0017] Preferably, when the arc-shaped swing arm swings downward, the motor rotates in the positive direction and drives the glue roller and the upper roller to rotate synchronously, and the upper roller transfers the glue on the surface of the glue roller to the paper roller;

[0018] When the arc-shaped swing arm swings upward, the motor reverses and drives the glue roller to rotate and evenly glue.

[0019] Preferably, the cross sleeve assembly comprises an intermediate piece, a first connecting piece and a second connecting piece;

[0020] Two ends of the intermediate piece are provided with a first slot and a second slot which are perpendicular to each other;

[0021] A first protrusion matched with the first slot is arranged on the first connecting piece, and a second protrusion matched with the second slot is arranged on the second connecting piece.

[0022] Preferably, the connecting rod lifting assembly is installed at the bottom of the glue disc and drives the glue disc to lift, a handle is connected and drives the connecting rod lifting assembly to lift, a first limiting block is arranged on the vertical plate wall, and a second limiting block is arranged on the connecting rod lifting assembly;

[0023] When the handle is in the highest position, the handle is blocked by the first limiting block, and the handle drives the connecting rod lifting assembly and lifts the glue disc to the highest position;

[0024] When the handle is in the lowest position, the handle drives the connecting rod lifting assembly and lowers the glue disc to the lowest position, and the connecting rod lifting assembly is blocked by the second limiting block.

[0025] Preferably, the connecting rod lifting assembly comprises a horizontal plate, a fixed block, a first rotating shaft, a second rotating shaft and a U-shaped vertical lifting plate;

[0026] The horizontal plate is installed at the bottom of the glue disc;

[0027] The first rotating shaft and the second rotating shaft are arranged in parallel and are rotatably arranged on the fixed block respectively.

[0028] The first end of the first swing arm and the first end of the second swing arm are fixedly installed on the first rotating shaft, and the first swing arm is parallel to the second swing arm;

[0029] The first end of the third swing arm and the first end of the fourth swing arm are fixedly installed on the second rotating shaft, and the third swing arm is parallel to the fourth swing arm;

[0030] The top end of the U-shaped vertical lifting plate is fixed to the horizontal plate;

[0031] The second end of the first swing arm is hingedly connected to one side of the bottom end of the U-shaped vertical lifting plate, and the second end of the second swing arm is hingedly connected to the other side of the bottom end of the U-shaped vertical lifting plate;

[0032] The second end of the third swing arm is hingedly connected to one side of the horizontal plate, and the second end of the fourth swing arm is hingedly connected to the other side of the horizontal plate.

[0033] Preferably, the first end of the handle is fastened to the end of the first rotating shaft;

[0034] The second limiting block is arranged on the inner side of the fourth swing arm;

[0035] The second limiting block has an inclined surface and a flat surface;

[0036] When the handle is in the highest position, the inclined surface abuts against the U-shaped vertical lifting plate;

[0037] When the handle is in the lowest position, the flat surface abuts against the bottom of the horizontal plate.

[0038] Preferably, the handle is a deformable metal sheet, and the first limiting block has an inclined surface and a flat surface.

[0039] Compared with the prior art, the paper bag forming glue applying mechanism has the advantages that:

[0040] The paper bag forming glue applying mechanism drives the arc swing arm to swing up and down through the sliding block translation, specifically, the arc swing arm is driven to swing up and down through the cooperation of the wedge surface and the arc surface, so that the glue applying roller and the glue uniformizing roller can quickly contact or separate from each other. BRIEF DESCRIPTION OF DRAWINGS

[0041] Figure 1 It is a front view schematic diagram of the paper bag forming glue applying mechanism.

[0042] Figure 2 It is a three-dimensional structure schematic diagram of the paper bag forming glue applying mechanism.

[0043] Figure 3It is the three-dimensional structure schematic view of the paper bag forming glue applying mechanism.

[0044] Figure 4 It is the position schematic view of the cross sleeve assembly.

[0045] Figure 5 It is the explosion structure schematic view of the cross sleeve assembly.

[0046] Figure 6 It is the three-dimensional structure schematic view of the connecting rod lifting assembly.

[0047] Figure 7 It is the three-dimensional structure schematic view of the connecting rod lifting assembly.

[0048] Figure 8 It is the three-dimensional structure schematic view of the connecting rod lifting assembly.

[0049] 1, vertical plate wall; 2, glue disc; 3, connecting rod lifting assembly; 31, horizontal plate; 32, fixed block; 33, first rotating shaft; 34, second rotating shaft; 35, U-shaped vertical lifting plate; 36, first swing arm; 361, first end of the first swing arm; 362, second end of the first swing arm; 37, second swing arm; 371, first end of the second swing arm; 372, second end of the second swing arm; 38, third swing arm; 381, first end of the third swing arm; 382, second end of the third swing arm; 39, fourth swing arm; 391, first end of the fourth swing arm; 392, second end of the fourth swing arm; 4, glue uniformizing roller; 5, glue applying assembly; 51, arc swing arm; 511, first end of the arc swing arm; 512, arc surface; 513, first shaft; 52, glue roller; 521, roller surface; 53, sliding block; 531, wedge surface; 54, air cylinder; 55, first tension spring; 6, motor; 61, one-way shaft; 611, first gear; 612, intermediate gear; 613, second gear; 614, second shaft; 7, cross sleeve assembly; 71, intermediate piece; 711, first groove; 712, second groove; 72, first connecting piece; 721, first protrusion; 73, second connecting piece; 731, second protrusion; 8, paper roller; 9, glue scraping assembly; 91, first push block; 92, first screw rod; 93, first fixed block; 94, first spring; 95, second push block; 96, second screw rod; 97, second fixed block; 98, second spring; 99, scraping plate; 10, handle; 101, first end of the handle; 11, round hole; 12, first limiting stopper; 121, inclined surface; 122, horizontal surface; 13, second limiting stopper; 131, inclined surface; 132, flat surface. DETAILED DESCRIPTION

[0050] The utility model will be explained in detail in combination with the embodiments shown in the drawings, but it should be explained that these embodiments are not the limitation of the utility model, the equivalent transformation or the substitution of function, method or structure made by the ordinary skilled in the art according to these embodiments all belong to the protection scope of the utility model.

[0051] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the utility model.

[0052] The specific implementation process of the utility model will be described below through multiple embodiments.

[0053] Embodiment 1

[0054] Referring to Figures 1 to 8 , the embodiment discloses a specific implementation of a paper bag forming gluing mechanism.

[0055] Referring to Figures 1 to 8 , the paper bag forming gluing mechanism comprises a vertical plate wall 1, a glue disc 2, a glue uniformizing roller 4, a gluing assembly 5 and a connecting rod lifting assembly 3; the gluing assembly 5 comprises an arc-shaped swing arm 51 and a gluing roller 52 rotatably installed at the first end 511 of the arc-shaped swing arm, an arc-shaped surface 512 is arranged at the top of the arc-shaped swing arm 51, a sliding block 53 is arranged above the arc-shaped surface 512, the sliding block 53 is provided with a wedge-shaped surface 531, a gas cylinder 54 drives the sliding block 53 to translate, and the arc-shaped swing arm 51 is driven to swing up and down in cooperation with the wedge-shaped surface 531 and the arc-shaped surface 512; a first tension spring 55 is arranged between the vertical plate wall 1 and the arc-shaped swing arm 51, and the first tension spring 55 pulls the arc-shaped swing arm 51 back to position when the gas cylinder 54 retracts; the curvature of the roller surface 521 of the gluing roller 52 is 30°-45°, and the angle A is specifically referred to Figure 1 .

[0056] Specifically, referring to Figures 1 to 8, the motor 6 drives the glue roller 4 through the one-way shaft 61; the first end 511 of the arc-shaped swing arm 51 is provided with a first shaft 513, and the glue roller 52 is installed on the first shaft 513; the one-way shaft 61 is provided with a first gear 611, the first gear 611 is engaged with a second gear 613 through a plurality of intermediate gears 612, the second gear 613 drives a second shaft 614 to rotate; the first shaft 513 and the second shaft 614 are connected through the cross sleeve assembly 7. The cylinder 54 drives the sliding block 53 to move forward, the wedge-shaped surface 531 and the arc-shaped surface 512 cooperate to drive the arc-shaped swing arm 51 to swing downward, the motor 6 rotates forward and drives the glue roller 4 and the glue roller 52 to rotate synchronously through the first gear 611, the intermediate gear 612 and the second gear 613, the glue roller 52 transfers the glue on the surface of the glue roller 4 to the paper surface passing through the paper roller 8, because the curvature of the roller surface 521 of the glue roller 52 is 30°-45°, a non-continuous glue surface is formed on the paper surface, which provides a basis for subsequent paper pasting on the glue surface; when it is necessary to temporarily stop gluing or during equipment maintenance, the cylinder 54 drives the sliding block 53 to move backward, the wedge-shaped surface 531 and the arc-shaped surface 512 are disengaged, the first tension spring 55 pulls the arc-shaped swing arm 51 to swing upward and reset, the motor 6 reverses and drives the glue roller 4 to rotate and glue evenly, so that the glue surface does not dry during temporary stop of the equipment, because the motor 6 drives the glue roller 4 through the one-way shaft 61, at this time, the first gear 611 is stationary, and the glue roller 52 will not rotate; during the up-down swinging of the arc-shaped swing arm 51, in order to ensure that the second shaft 614 and the first shaft 513 are always engaged, see Figure 5 , the first shaft 513 and the second shaft 614 are connected through the cross sleeve assembly 7, the cross sleeve assembly 7 includes an intermediate piece 71, a first connecting piece 72 and a second connecting piece 73; the two ends of the intermediate piece 71 are provided with a first slot 711 and a second slot 712 which are perpendicular to each other; the first connecting piece 72 is provided with a first protrusion 721 matched with the first slot 711, and the second connecting piece 73 is provided with a second protrusion 731 matched with the second slot 712, during the up-down swinging of the arc-shaped swing arm 51, the first protrusion 721 moves up and down along the first slot 711 but is always engaged together, so that the first shaft 513 and the second shaft 614 always correspond to a shaft, realizing that the arc-shaped swing arm 51 can still be driven by the motor 6 in the case of downward swing.

[0057] see Figure 3A glue scraping assembly 9 is arranged at the side of the glue distributing roller 4. The glue scraping assembly 9 comprises a first push block 91, a first screw rod 92, a first fixed block 93, a first spring 94, a second push block 95, a second screw rod 96, a second fixed block 97, and a second spring 98. A scraping plate 99 is mounted on the first push block 91 and the second push block 95. The first screw rod 92 is mounted on the first fixed block 93 and drives the first push block 91 to move. The two ends of the first spring 94 are connected to the first push block 91 and the first fixed block 93, respectively. The second screw rod 96 is mounted on the second fixed block 97 and drives the second push block 95 to move. The two ends of the second spring 98 are connected to the second push block 95 and the second fixed block 97, respectively. When it is necessary to adjust the glue amount, or when it is found that the glue amount on both sides of the glue distributing roller 52 is uneven, the first screw rod 92 and / or the second screw rod 96 can be manually adjusted, thereby driving the first push block 91 and / or the second push block 95 to move, so as to adjust the gap between the scraping plate 99 and the glue distributing roller 4. The glue amount and uniformity on the surface of the glue distributing roller 4 can be controlled, and finally the adjustment of the glue amount and uniformity of the glue distributing roller 52 can be realized. In the embodiment, there is no transfer roller between the glue distributing roller 4 and the glue distributing roller 52, the glue transmission path is short, and the overall design of the glue distributing mechanism is more compact.

[0058] Referring to Figures 6 to 8 When it is necessary to replace glue or clean the glue disc 2 and the glue distributing roller 4, the glue disc 2 needs to be lowered and moved away from the glue distributing roller 4 to create a cleaning space. Therefore, the connecting rod lifting assembly 3 is mounted on the bottom of the glue disc 2 and drives the glue disc 2 to lift. The handle 10 is connected to and drives the connecting rod lifting assembly 3 to lift. A first limiting block 12 is arranged on the vertical plate wall 1, and a second limiting block 13 is arranged on the connecting rod lifting assembly 3. When the handle 10 is at the highest position, referring to Figure 6 and Figure 7 , the handle 10 is blocked by the first limiting block 12. The handle 10 drives the connecting rod lifting assembly 3 and lifts the glue disc 2 to the highest position. When the handle 10 is at the lowest position, referring to Figure 8 , the handle 10 drives the connecting rod lifting assembly 3 and lowers the glue disc 2 to the lowest position. The connecting rod lifting assembly 3 is blocked by the second limiting block 13.

[0059] Specifically, referring to Figures 6 to 8, the linkage lifting assembly 3 is composed of a horizontal plate 31, a fixed block 32, a first rotating shaft 33, a second rotating shaft 34 and a U-shaped vertical lifting plate 35; the horizontal plate 31 is installed at the bottom of the rubber disc 2; the first rotating shaft 33 and the second rotating shaft 34 are arranged in parallel and are rotatably arranged in the fixed block 32, and the fixed block 32 is installed in a vertical state on the vertical plate wall 1; the first end 361 of the first swing arm and the first end 371 of the second swing arm are fixedly installed on the first rotating shaft 33 respectively, and the first swing arm 36 is parallel to the second swing arm 37; the first end 381 of the third swing arm and the first end 391 of the fourth swing arm are fixedly installed on the second rotating shaft 34 respectively, and the third swing arm 38 is parallel to the fourth swing arm 39; the top end of the U-shaped vertical lifting plate 35 is fixed to the horizontal plate 31; the second end 362 of the first swing arm is hingedly connected to one side of the bottom end of the U-shaped vertical lifting plate 35, and the second end 372 of the second swing arm is hingedly connected to the other side of the bottom end of the U-shaped vertical lifting plate 35; the second end 382 of the third swing arm is hingedly connected to one side of the horizontal plate 31, and the second end 392 of the fourth swing arm is hingedly connected to the other side of the horizontal plate 31; the first end 101 of the handle is fastened to the end of the first rotating shaft 33, the first rotating shaft 33 penetrates through the bottom end of the fixed block 32, and the first end 101 of the handle is arranged between the vertical plate wall 1 and the fixed block 32; the second limiting block 13 is arranged on the inner side of the fourth swing arm 39, and the second limiting block 13 has an inclined surface 131 and a horizontal surface 132; the handle 10 is a deformable metal sheet, and the first limiting block 12 has an inclined surface 121 and a horizontal surface 122.

[0060] The working principle of the linkage lifting assembly 3 is as follows: referring to Figure 6 and Figure 7 When the handle 10 is in the highest position, the inclined surface 131 abuts against the U-shaped vertical lifting plate 35, and the handle 10 is blocked by the horizontal surface 122, at this time, referring to Figure 1 , the line connecting the first end 361 of the first swing arm, the second end 362 of the first swing arm, the first end 381 of the third swing arm and the second end 382 of the third swing arm forms a parallelogram a, the handle 10 is guided to deform by the inclined surface 121 and is further restrained by the horizontal surface 122, the linkage lifting assembly 3 is restrained by the horizontal surface 122, and the rubber disc 2 is lifted to a higher position, at this time, the rubber disc 2 can cooperate with the rubberizing roller to realize rubberizing, and the rubberizing roller is installed at the circular hole 11 at the top of the vertical plate wall 1.

[0061] Referring to Figure 8 When the handle 10 is in the lowest position, the horizontal surface 132 abuts against the bottom of the horizontal plate 31, at this time, referring to Figure 4, the line connecting the first end 361 of the first swing arm, the second end 362 of the first swing arm, the first end 381 of the third swing arm and the second end 382 of the third swing arm forms a rectangle b or is close to a rectangle, under the constraint of the plane 132, the glue tray 2 is lowered to a lower position and away from the glue roller, at this time, the glue tray 2 and the glue roller have a larger space, which is convenient for the operator to clean the glue tray 2 and the glue roller, or replace the glue.

Claims

1. A gluing mechanism for forming a paper bag, characterized by comprising: The vertical plate wall, the glue disc, the glue roller, the glue applying assembly and the connecting rod lifting assembly are included. The glue applying assembly includes an arc-shaped swing arm and a glue roller rotatably mounted on the first end of the arc-shaped swing arm. The arc of the roller surface of the glue roller is 30-45 degrees.

2. The paper bag forming gluing mechanism according to claim 1, wherein The motor drives the glue roller through the one-way shaft. The first end of the arc-shaped swing arm is provided with a first shaft, and the glue roller is mounted on the first shaft. A first gear is arranged on the one-way shaft, and the first gear is engaged with a second gear through a plurality of intermediate gears. The first shaft and the second shaft are connected through a cross sleeve assembly.

3. The paper bag forming gluing mechanism according to claim 1, wherein A first tension spring is arranged between the vertical plate wall and the arc-shaped swing arm.

4. The paper bag forming gluing mechanism according to claim 1, wherein A glue scraping assembly is arranged on the side of the glue roller. The glue scraping assembly includes a first push block, a first screw rod, a first fixed block, a first spring, a second push block, a second screw rod, a second fixed block and a second spring. The first screw rod is mounted on the first fixed block and drives the first push block to move. The second screw rod is mounted on the second fixed block and drives the second push block to move.

5. The paper bag forming gluing mechanism according to claim 2, wherein When the arc-shaped swing arm swings downward, the motor rotates in the forward direction and drives the glue roller and the glue applying roller to rotate synchronously. When the arc-shaped swing arm swings upward, the motor rotates in the reverse direction and drives the glue roller to rotate and apply glue evenly.

6. The paper bag forming gluing mechanism according to claim 2, wherein The cross sleeve assembly includes an intermediate piece, a first connecting piece and a second connecting piece. The intermediate piece is provided with a first slot and a second slot perpendicular to each other at both ends. A first protrusion is arranged on the first connecting piece to cooperate with the first slot, and a second protrusion is arranged on the second connecting piece to cooperate with the second slot.

7. The paper bag forming gluing mechanism according to any one of claims 1 to 6, wherein The connecting rod lifting assembly is mounted on the bottom of the glue disc and drives the glue disc to lift. A handle is connected to and drives the connecting rod lifting assembly to lift. When the handle is in the highest position, the handle is blocked by the first limiting block, and the handle drives the connecting rod lifting assembly to lift the glue disc to the highest position.

8. The paper bag forming gluing mechanism according to claim 7, wherein When the handle is in the lowest position, the handle drives the connecting rod lifting assembly to lower the glue disc to the lowest position, and the connecting rod lifting assembly is blocked by the second limiting block. The connecting rod lifting assembly includes a horizontal plate, a fixed block, a first rotating shaft, a second rotating shaft and a U-shaped vertical lifting plate. The horizontal plate is mounted on the bottom of the glue disc. The first rotating shaft and the second rotating shaft are arranged in parallel and are rotatably arranged on the fixed block. The first end of the first swing arm and the first end of the second swing arm are fixedly installed on the first rotating shaft, and the first swing arm is parallel to the second swing arm; The first end of the third swing arm and the first end of the fourth swing arm are fixedly installed on the second rotating shaft, and the third swing arm is parallel to the fourth swing arm; The top end of the U-shaped vertical lifting plate is fixed to the horizontal plate; The second end of the first swing arm is hingedly connected to one side of the bottom end of the U-shaped vertical lifting plate, and the second end of the second swing arm is hingedly connected to the other side of the bottom end of the U-shaped vertical lifting plate; The second end of the third swing arm is hingedly connected to one side of the horizontal plate, and the second end of the fourth swing arm is hingedly connected to the other side of the horizontal plate.

9. The paper bag forming gluing mechanism according to claim 8, wherein The first end of the handle is fastened to the end of the first rotating shaft; The second limiting block is arranged on the inner side of the fourth swing arm; The second limiting block has an inclined surface and a flat surface; When the handle is in the highest position, the inclined surface abuts against the U-shaped vertical lifting plate; When the handle is in the lowest position, the flat surface abuts against the bottom of the horizontal plate.

10. The paper bag forming gluing mechanism according to claim 9, wherein The handle is a deformable metal sheet, and the first limiting block has an inclined surface and a flat surface.

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