Gluing device of bag making machine

Abstract

The utility model relates to the technical field of bag making machines, in particular to a rubberizing device of a bag making machine, which comprises a machine body and a rubberizing frame arranged on the machine body, a discharging wheel used for placing gummed paper is rotatably arranged on the rubberizing frame, a feeding roller and a pressing frame are rotatably arranged on the rubberizing frame, a pressing roller is rotatably arranged on the pressing frame, and the feeding roller and the pressing frame are rotatably arranged on the machine body. Gummed paper passes between the feeding roller and the pressing roller, a driving part for driving the feeding roller to rotate is arranged on the rubberizing frame, a gluing head is arranged on the rubberizing frame, and the gluing head is in contact with a base material of the gummed paper. The gluing device has the effect of improving the gluing efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of bag making machines, in particular to an adhesive pasting device for a bag making machine. Background Art

[0002] A bag making machine is an automated mechanical device used for producing various plastic bags, paper bags or packaging bags made of other materials. Through a series of complex technological steps, such as material feeding, forming, sealing, cutting, etc., this machine can quickly and efficiently produce packaging bags that meet specific specifications and requirements. Bag making machines are widely used in many industries such as food, medicine, chemical industry, daily necessities, etc., and are one of the key devices on the packaging production line.

[0003] Currently, most of the packaging bags on the market are square. When the bag making machine is producing, three sides of the packaging bag are sealed, and the last side is an opening. Currently, generally, a sticker is adhered to the opening of the packaging bag. The sticker includes a base material and a release paper. When in use, the release paper of the sticker can be torn off. However, the current sticker pasting efficiency of the bag making machine is not high enough. Summary of the Invention

[0004] In order to improve the sticker pasting efficiency, the utility model provides an adhesive pasting device for a bag making machine aiming at the problems of the prior art.

[0005] An adhesive pasting device for a bag making machine provided by the utility model adopts the following technical scheme:

[0006] An adhesive pasting device for a bag making machine includes a machine body and a sticker pasting frame arranged on the machine body. A material feeding wheel for placing the sticker is rotatably arranged on the sticker pasting frame. A feeding roller and a pressing frame are rotatably arranged on the sticker pasting frame. A pressing roller is rotatably arranged on the pressing frame. The sticker passes between the feeding roller and the pressing roller. A driving member for driving the feeding roller to rotate is arranged on the sticker pasting frame. A glue applying head is arranged on the sticker pasting frame, and the glue applying head is in contact with the base material of the sticker.

[0007] Preferably, the driving member includes a driving motor horizontally arranged on the sticker pasting frame, and the output shaft of the driving motor is coaxially connected to the feeding roller.

[0008] Preferably, a plurality of guiding rollers are horizontally rotatably arranged on the sticker pasting frame. A guide rail is arranged vertically on the sticker pasting frame. A tensioning frame is slidably connected to the guide rail. The tensioning frame is located below the guiding rollers. A plurality of tensioning rollers are rotatably arranged on the tensioning frame. The tensioning rollers are arranged parallel to the guiding rollers. The sticker is wound around the plurality of guiding rollers and the plurality of tensioning rollers.

[0009] Preferably, a limiting block is arranged on the sticker pasting frame. The limiting block is located on the movement path of the tensioning frame. When the tensioning frame is at the bottom end of the guide rail, the tensioning frame abuts against the limiting block.

[0010] Preferably, a guiding roller is arranged on the adhesive tape rack, the guiding roller is located below the glue applicator head, and the adhesive tape is wound around the guiding roller.

[0011] Preferably, the pressure roller rack includes a rotating shaft, two mounting plates, and a support rod connected between the two mounting plates. The rotating shaft is fixedly connected to one ends of the two mounting plates, one end of the rotating shaft is rotatably connected to the side wall of the adhesive tape rack, and the pressure roller is rotatably arranged at the other ends of the two mounting plates.

[0012] Preferably, a mounting rack is arranged on the machine body, a guiding column is horizontally arranged on the mounting rack, the adhesive tape rack is slidably connected to the guiding column, an adjusting screw rod is horizontally rotatably arranged on the mounting rack, the adjusting screw rod is threadedly connected to the adhesive tape rack, and an adjusting handwheel is arranged at the end of the adjusting screw rod.

[0013] Preferably, a rack is arranged on the machine body along the conveying direction of the packaging bag, a rotating shaft is horizontally arranged on the mounting rack, a gear is arranged on the rotating shaft, the gear meshes with the rack, and an adjusting handwheel is arranged at the end of the rotating shaft.

[0014] Preferably, a supporting roller is horizontally arranged on the mounting rack, the supporting roller is located below the adhesive tape rack, and the packaging bag is wound around the supporting roller.

[0015] In summary, the present utility model includes at least one of the following beneficial technical effects:

[0016] The machine body conveys continuous packaging bags, the driving motor works to drive the feeding roller to rotate, the feeding roller and the pressure roller drive the adhesive tape to move for feeding, the glue applicator head applies glue to the base material of the adhesive tape, and then the adhesive tape is attached to the opening of the packaging bag. The whole adhesive tape attaching process has a fast attaching speed and stable attaching, improving the production efficiency. Description of the Drawings

[0017] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0018] Figure 2 It is a schematic diagram of the structure of the longitudinal hot pressing rack in the present utility model.

[0019] Figure 3 It is a schematic diagram of the structure of the transverse hot pressing rack in the present utility model.

[0020] Figure 4 It is a schematic diagram of a partial structure of the present utility model.

[0021] Figure 5 It is a schematic diagram of the assembly relationship between the adhesive tape rack and the mounting rack in the present utility model.

[0022] Figure 6 It is a structural schematic diagram of the cutting rack in the utility model.

[0023] Figure 7 It is a structural schematic diagram of the feeding rack in the utility model.

[0024] In the figure: 1, machine body; 11, receiving table; 2, glue sticking rack; 21, unwinding wheel; 22, feeding roller; 23, pressing rack; 231, pressing roller; 232, rotating shaft; 24, glue coating head; 25, driving motor; 26, guide roller; 27, guide rail; 28, guide roller; 3, tension rack; 31, tension roller; 4, mounting rack; 41, guide column; 42, adjusting screw rod; 43, distance adjustment hand wheel; 44, rotating shaft; 441, Adjusting hand wheel; 45, supporting roller; 6, cutting rack; 61, slide rail; 62, slide plate; 63, rotating screw rod; 64, rotating hand wheel; 65, knife seat; 66, cutting knife; 67, receiving roller; 7, feeding rack; 71, rotating roller; 711, driven synchronous wheel; 72, pressing roller; 73, pressing cylinder; 8, longitudinal hot pressing rack; 81, edge pressing block; 82, cushion block; 9, transverse hot pressing rack; 91, upper pressing block; 92, lower pressing block; DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0027] The utility model embodiment discloses a bag making machine gluing device, such as Figure 1-7As shown in the figure, it includes a machine body 1. There are two longitudinal hot pressing frames 8 arranged on the machine body. At both ends of the longitudinal hot pressing frame 8, there are pressing blocks 81 and cushion blocks 82. The cushion blocks 82 are located directly below the pressing blocks 81. The two pressing blocks 81 and the two cushion blocks 82 are respectively located on the opposite side edges of the packaging bag. The side edge of the packaging bag is located between the pressing block 81 and the cushion block 82. The pressing block 81 is connected to a heating power supply. During operation, the machine body conveys a continuous packaging bag. One side edge of the packaging bag is pre-coated with glue in the previous process, and the other side is not. The pressing block 81 on one side of the longitudinal hot pressing frame 8 is heated to thermally press one side edge of the packaging bag together.

[0028] At the same time, there are two transverse hot pressing frames 9 arranged on the machine body. At both ends of the transverse hot pressing frame 9, there are upper pressing blocks 91 and lower pressing blocks 92. The lower pressing block 92 is arranged directly below the upper pressing block 91. The lower pressing block 92 is fixedly installed on the encapsulation frame. The upper pressing block 91 and the lower pressing block 92 are both arranged along the width direction of the packaging bag. The packaging bag passes between the upper pressing block 91 and the lower pressing block 92. Moreover, the upper pressing block 91 and the lower pressing block 92 are connected to a heating power supply. The packaging bag is pre-coated with glue in the previous process and is thermally pressed and fused together after passing between the upper pressing block 91 and the lower pressing block 92. There is a power motor on the machine body that drives the upper pressing block 91 to move in a direction close to or away from the lower pressing block 92 and drives the pressing block 81 to move up and down. After the packaging bag passes through the longitudinal hot pressing frame 8 and the transverse hot pressing frame 9, three side edges of the packaging bag are heat-sealed together, and the last side is an opening. The driving methods of the longitudinal hot pressing frame 8, the transverse hot pressing frame 9, and the power motor are all prior arts and will not be elaborated here.

[0029] In addition, there is an adhesive pasting frame 2 arranged on the machine body 1. There is a feeding wheel 21 for placing adhesive tape arranged on the adhesive pasting frame 2. The feeding wheel 21 is rotatably carried on the side wall of the adhesive pasting frame 2. The adhesive tape is wound around the feeding wheel 21. During adhesive pasting, the machine body 1 conveys a continuous packaging bag, and then the adhesive tape is pasted onto the opening of the packaging bag.

[0030] A feeding roller 22 and a pressure roller frame 23 are arranged on the adhesive pasting frame 2. The pressure roller frame 23 includes a rotating shaft 232, two mounting plates, and a support rod fixedly connected between the two mounting plates. One end of the rotating shaft 232 is rotatably carried on the side wall of the adhesive pasting frame 2. One ends of the two mounting plates are fixedly connected to the rotating shaft 232. The other ends of the two mounting plates are provided with a pressure roller 231. The pressure roller 231 is horizontally arranged perpendicular to the conveying direction of the packaging bag. Both ends of the pressure roller 231 are rotatably carried between the two mounting plates. A pressure roller 231 is arranged on the pressure roller frame 23 along the axial length direction of the pressure roller 231. One end of the pressure roller 231 is rotatably carried on the side wall of the adhesive pasting frame 2. The adhesive tape passes between the feeding roller 22 and the pressure roller 231. A driving member for driving the feeding roller 22 to rotate is arranged on the adhesive pasting frame 2. Specifically, the driving member includes a driving motor 25 horizontally and fixedly installed on the adhesive pasting frame 2 along the axial length direction of the pressure roller 231. The output shaft of the driving motor 25 is coaxially and fixedly connected to the feeding roller 22. When the driving motor 25 works, it drives the feeding roller 22 to rotate. The feeding roller 22 and the pressure roller 231 drive the adhesive tape to move for feeding.

[0031] In addition, a glue applying head 24 is fixedly installed on the adhesive pasting frame 2. The glue applying head 24 is in contact with the base material of the adhesive tape. The glue applying head 24 applies glue to the base material of the adhesive tape, and then the adhesive tape is pasted onto the opening of the packaging bag. When in use, the release paper of the adhesive tape can be torn off. At the same time, a guiding roller 28 is arranged on the adhesive pasting frame 2 along the axial length direction of the pressure roller 231. One end of the guiding roller 28 is rotatably carried on the side wall of the adhesive pasting frame 2. The guiding roller 28 is located below the glue applying head 24. The adhesive tape is wound around the guiding roller 28, so that the glue applying head 24 can better apply glue to the adhesive tape.

[0032] At the same time, a plurality of guiding rollers 26 are arranged on the adhesive pasting frame 2 along the axial length direction of the pressure roller 231. One end of each guiding roller 26 is rotatably carried on the side edge of the adhesive pasting frame 2. A guide rail 27 is fixedly installed on the adhesive pasting frame 2 in the vertical direction. A tension frame 3 is slidably connected to the guide rail 27. The tension frame 3 is located below the guiding rollers 26. A plurality of tension rollers 31 are arranged on the tension frame 3 along the axial length direction of the guiding rollers 26. One end of each tension roller 31 is rotatably carried on the tension frame 3. The adhesive tape is wound around the plurality of guiding rollers 26 and the plurality of tension rollers 31. After the adhesive tape is wound around the first guiding roller 26, it is wound downward around the first tension roller 31, and then the adhesive tape is wound upward around the second guiding roller 26 in this way successively. The guiding rollers 26 and the tension rollers 31 can keep the tension of the adhesive tape stable. When the tension of the adhesive tape is large, the tension frame 3 moves upward on the guide rail 27 to reduce the tension of the adhesive tape. When the tension of the adhesive tape is small, the tension frame 3 descends to increase the tension of the adhesive tape, so as to keep the feeding of the adhesive tape stable. In addition, a limiting block is fixedly arranged on the side wall of the adhesive pasting frame 2. The limiting block is located on the movement path of the tension frame 3. When the tension frame 3 is at the bottom end of the guide rail 27, the tension frame 3 abuts against the limiting block, and the limiting block can prevent the tension frame 3 from disengaging from the guide rail 27.

[0033] In addition, a mounting frame 4 is provided on the machine body 1. A guide post 41 is fixedly arranged on the mounting frame 4 horizontally along the axial length direction parallel to the pressing roller 231. The tape pasting frame 2 is slidably connected to the guide post 41. An adjusting screw rod 42 is arranged on the mounting frame 4 along the axial length direction parallel to the guide post 41. Both ends of the adjusting screw rod 42 are rotatably supported on the side wall of the mounting frame 4. The adjusting screw rod 42 is threadedly connected to the tape pasting frame 2. And a distance adjusting hand wheel 43 is fixedly arranged at one end of the adjusting screw rod 42. An operator rotates the distance adjusting hand wheel 43 to rotate the adjusting screw rod 42. The adjusting screw rod 42 drives the tape pasting frame 2 to slide on the guide post 41, so as to adjust the position of the tape pasting frame 2, thus enabling the adhesive tape to better align with the opening of the packaging bag. In addition, a rack is fixedly arranged on the machine body 1 along the conveying direction of the packaging bag. A rotating shaft 44 is arranged on the mounting frame 4 along the axial length direction parallel to the guide post 41. Both ends of the rotating shaft 44 are rotatably supported on the side wall of the mounting frame 4. A gear is coaxially fixedly arranged at the end of the rotating shaft 44. The gear meshes with the rack. An adjusting hand wheel 441 is arranged at one end of the rotating shaft 44. An operator rotates the rotating shaft 44 through the adjusting hand wheel 441, so that the mounting frame 4 moves on the rack, thus better adjusting the position of the tape pasting frame 2 on the machine body 1. In addition, a supporting roller 45 is arranged on the mounting frame 4 along the axial length direction parallel to the guide post 41. Both ends of the supporting roller 45 are rotatably supported on the side wall of the mounting frame 4. The supporting roller 45 is located below the tape pasting frame 2. The packaging bag is wound around the supporting roller 45. The supporting roller 45 can play a guiding role for the packaging bag. And after the adhesive tape is pasted onto the opening of the packaging bag, when the packaging bag passes through the supporting roller 45, the adhesive tape can be firmly adhered to the packaging bag.

[0034] In addition, a cutting frame 6 is further provided on the machine body 1. A slide rail 61 is fixedly arranged on the cutting frame 6 along the axial length direction parallel to the guide post 41. A slide plate 62 is slidably connected to the slide rail 61. A rotating screw rod 63 is arranged on the cutting frame 6 along the axial length direction parallel to the guide post 41. Both ends of the rotating screw rod 63 are rotatably supported on the side wall of the cutter 66 frame. The rotating screw rod 63 is threadedly connected to the slide plate 62. A rotating hand wheel 64 is fixedly arranged at one end of the rotating screw rod 63. And a tool holder 65 is fixedly installed on the slide plate 62. A cutter 66 is arranged on the tool holder 65. The cutter 66 is rotatably supported on the tool holder 65. At the same time, a receiving roller 67 is arranged on the cutter 66 frame along the axial length direction parallel to the guide post 41. Both ends of the receiving roller 67 are rotatably supported on the side wall of the cutter 66 frame. The cutter 66 is located above the receiving roller 67. After the packaging bag is pasted with the adhesive tape, it passes through the cutter 66 frame and passes between the receiving roller 67 and the cutter 66. The cutter 66 cuts off the excess edge material on the packaging bag. And when the position of the cutter 66 needs to be adjusted, an operator rotates the rotating screw rod 63 by rotating the rotating hand wheel 64. The screw rod drives the slide plate 62 to move on the slide rail 61, so as to adjust the position of the cutter 66.

[0035] A feeding rack 7 is provided on the machine body 1. The packaging bag passes through the cutting rack 6 and then through the feeding rack 7. Inside the feeding rack 7, rotating rollers 71 are arranged along the axial length direction parallel to the rotating lead screw 63. Both ends of the rotating rollers 71 are rotatably supported on the inner walls at both ends of the feeding rack 7. Along the vertical direction, the two ends of the feeding rack 7 are slidably connected with bearing seats. Between the two bearing seats, a pressing roller 72 is arranged along the axial length direction parallel to the rotating rollers 71. The packaging bag passes between the pressing roller 72 and the rotating rollers 71. Both ends of the pressing roller 72 are respectively rotatably supported on the side walls of the two bearing seats. Along the vertical direction, pressing cylinders 73 are fixedly installed at both ends of the feeding rack 7. The piston rods of the pressing cylinders 73 are fixedly connected to the bearing seats. At the same time, a feeding motor is fixedly installed on the machine body 1 along the axial length direction parallel to the rotating rollers 71. A driving synchronous pulley is coaxially and fixedly arranged on the output shaft of the feeding motor. At one end of the rotating roller 71, a driven synchronous pulley 711 is coaxially and fixedly arranged. A feeding synchronous belt is wrapped and connected between the driving synchronous pulley and the driven synchronous pulley 711. The pressing cylinder 73 drives the pressing roller 72 to lower. The pressing roller 72 and the rotating rollers 71 press the packaging bag tightly. Then the feeding motor works to drive the rotating roller 71 to rotate, thereby driving the packaging bag to move to the next process.

[0036] In addition, an upper knife and a lower knife are arranged at the discharging end of the machine body 1. The lower knife is fixedly installed on the machine body 1. The upper knife is slidably connected to the machine body 1 along the vertical direction. A cutting motor for driving the upper knife to move up and down is fixedly installed on the machine body 1. The way the cutting motor drives the upper knife is the prior art and will not be elaborated here. After the packaging bag passes through the cutting knife 66 rack, it moves between the upper knife and the lower knife. The upper knife descends and together with the lower knife cuts the continuous packaging bag into independent packaging bags. And a receiving table 11 is also arranged on the machine body 1. After the packaging bag is cut, it falls onto the receiving table 11.

[0037] The implementation principle of the glue pasting device of the bag making machine in the embodiment of the present utility model is as follows: The machine body conveys the continuous packaging bag. The driving motor works to drive the feeding roller to rotate. The feeding roller and the pressing roller drive the adhesive tape to move for feeding. The glue applying head applies glue to the base material of the adhesive tape. Then the adhesive tape is pasted onto the opening of the packaging bag. The whole glue pasting process has a fast glue pasting speed and stable glue pasting, improving the production efficiency.

[0038] The above is only a preferred embodiment of the present utility model and does not impose any form of limitation on the present utility model. Although the present utility model is disclosed above with a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art, without departing from the technical solution scope of the present utility model, when making some changes or modifications using the above-disclosed technical content into equivalent embodiments of equivalent changes, but as long as it does not depart from the technical solution content of the present utility model, any simple modification, equivalent change and modification made to the above embodiments according to the technical means of the present utility model all fall within the scope of the technical solution of the present utility model.

Claims

1. A gluing device for a bag making machine, characterized in that: The invention comprises a machine body (1), a gluing frame (2) arranged on the machine body (1), a feeding wheel (21) for placing adhesive paper being rotatably arranged on the gluing frame (2), a feeding roller (22) and a pressing frame (23) being rotatably arranged on the gluing frame (2), a pressing roller (231) being rotatably arranged on the pressing frame (23), and the adhesive paper passes between the feeding roller (22) and the pressing roller (231), a driving member for driving the feeding roller (22) to rotate being arranged on the gluing frame (2), and a gluing head (24) being arranged on the gluing frame (2), and the gluing head (24) being in contact with the base material of the adhesive paper.

2. A gluing device for a bag making machine according to claim 1, characterized in that: The driving member comprises a driving motor (25) horizontally arranged on the glue-applying frame (2), and an output shaft of the driving motor (25) is coaxially connected to the feeding roller (22).

3. The gluing device for a bag making machine according to claim 1, characterized in that: The glue sticking frame (2) is provided with a plurality of guide rollers (26) for horizontal rotation, the glue sticking frame (2) is provided with a guide rail (27) in the vertical direction, the guide rail (27) is slidably connected with a tension frame (3), the tension frame (3) is located below the guide roller (26), the tension frame (3) is provided with a plurality of tension rollers (31) for rotation, the tension rollers (31) are arranged parallel to the guide roller (26), and the adhesive paper is wound around the plurality of guide rollers (26) and the plurality of tension rollers (31).

4. A gluing device for a bag making machine according to claim 3, characterized in that: A limit block is provided on the glue sticking frame (2), and the limit block is located on the movement path of the tension frame (3). When the tension frame (3) is located at the bottom end of the guide rail (27), the tension frame (3) abuts against the limit block.

5. The gluing device for bag making machine according to claim 1, characterized in that: The glue applying frame (2) is provided with a guide roller (28), the guide roller (28) is located below the glue applying head (24), and the adhesive paper is wound around the guide roller (28).

6. The gluing device for bag making machine according to claim 1, characterized in that: The pressing frame (23) comprises a rotating shaft (232), two mounting plates, and a support rod connected between the two mounting plates, wherein the rotating shaft (232) is fixedly connected to one end of the two mounting plates, one end of the rotating shaft (232) is rotatably connected to the side wall of the glue sticking frame (2), and the pressing roller (231) is rotatably arranged at the other end of the two mounting plates.

7. The gluing device for bag making machine according to claim 1, characterized in that: The machine body (1) is provided with a mounting frame (4), a guide column (41) is horizontally arranged on the mounting frame (4), the glue sticking frame (2) is slidably connected to the guide column (41), an adjusting screw rod (42) is horizontally rotatably arranged on the mounting frame (4), the adjusting screw rod (42) is threadedly connected to the glue sticking frame (2), and a distance adjustment hand wheel (43) is arranged at the end of the adjusting screw rod (42).

8. The gluing device for bag making machine according to claim 7, characterized in that: The machine body (1) is provided with a rack along the conveying direction of the packaging bag, the mounting frame (4) is horizontally provided with a rotating shaft (44), the rotating shaft (44) is provided with a gear, the gear meshes with the rack, and an adjusting hand wheel (441) is provided at the end of the rotating shaft (44).

9. The gluing device for bag making machine according to claim 7, characterized in that: The mounting frame (4) is horizontally provided with a supporting roller (45), the supporting roller (45) is located below the glue sticking frame (2), and the packaging bag is placed around the supporting roller (45).

10. The gluing device for bag making machine according to claim 1, characterized in that: The machine body (1) is provided with a cutting frame (6), a slide plate (62) is horizontally slidably connected to the cutting frame (6), a rotating screw rod (63) is horizontally rotatably provided on the cutting frame (6), the rotating screw rod (63) is threadedly connected to the slide plate (62), a knife seat (65) is provided on the slide plate (62), and a cutting knife (66) is rotatably provided on the knife seat (65).

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