Edge bonding device for plastic bag production

Abstract

The utility model relates to the technical field of plastic bag bonding processing, in particular to an edge bonding device for plastic bag production, which comprises an upper top plate and a lower bottom plate, a transmission component and a bonding component are connected between the upper top plate and the lower bottom plate, the transmission component comprises two groups of transmission units, and each group of transmission units comprises two groups of supporting seats. A rotating shaft is rotationally connected between the supporting seats, the rotating shaft is sleeved with a driven roller or a driving roller, and a conveying belt is sleeved between the driven roller and the driving roller; the bonding assembly comprises a supporting block and an adjusting assembly, the supporting block is connected to the lower bottom plate, a heating plate is connected to the supporting block, and silica gel cloth is bonded to the surface of the heating plate. Plastic bags are conveyed through the conveying assembly to achieve automatic production, an electromagnetic block is electrified to generate magnetism to be matched with a magnetic attraction block, a connecting plate is controlled to move upwards or downwards, and the upward moving or downward moving process of the connecting plate is buffered through a first buffer spring, a second buffer spring and a rubber cushion block.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic bag bonding processing, in particular to an edge bonding device used in the production of plastic bags. Background Art

[0002] During plastic bag production, their edges must be bonded to create a seal. Existing plastic bag bonding devices typically place the edges of the plastic bag between hot-pressing platens and bond them together using heat and pressure. The rapid, rigid bonding between the upper and lower hot-pressing platens can cause collisions and damage the device. Utility Model Content

[0003] The purpose of this application is to provide an edge bonding device for plastic bag production, aiming to solve the above-mentioned problems in the prior art.

[0004] The present application provides an edge bonding device for the production of plastic bags, comprising an upper top plate and a lower bottom plate, wherein a transmission component and a bonding component are connected between the upper top plate and the lower bottom plate, wherein the transmission component comprises two groups of transmission units symmetrically installed up and down, each group of transmission units comprises two groups of support seats, and a rotating shaft is rotatably connected between each group of support seats, a passive roller or a driving roller is sleeved on the rotating shaft, one end of the rotating shaft connected to the driving roller is fixedly connected to the output shaft of the motor, and a conveyor belt is sleeved between the passive roller and the driving roller; the bonding component comprises a support block and two adjustment components symmetrically installed on the left and right, the support block is fixedly connected to the lower bottom plate, a heating plate is fixedly connected to the support block, and silicone cloth is pasted on the surface of the heating plate, the adjustment component is fixedly connected to the upper top plate, a connecting plate is slidably connected between the two adjusting components, and a pressing plate is fixedly connected to the connecting plate.

[0005] Furthermore, one group of transmission units is fixedly mounted on the upper top plate, and the corresponding two groups of support seats and motors are fixedly mounted on the upper top plate; another group of transmission units is fixedly mounted on the lower bottom plate, and the corresponding two groups of support seats and motors are fixedly mounted on the lower bottom plate.

[0006] Furthermore, the motor output shafts on the two groups of transmission units rotate in opposite directions, and the distance between the two groups of transmission units is the thickness of the plastic bag.

[0007] Furthermore, the adjustment component includes a trough body, an electromagnetic block and a first buffer spring are fixedly connected to the top of the trough body, the other end of the first buffer spring is fixedly connected to the upper surface of the connecting plate, a magnetic block is fixedly connected to the connecting plate, a rubber pad and a second buffer spring are fixedly connected to the bottom of the trough body, and the other end of the second buffer spring is fixedly connected to the bottom of the connecting plate.

[0008] Furthermore, the electromagnetic block and the magnetic attraction block are located inside the first buffer spring, and the rubber pad is located inside the second buffer spring.

[0009] The beneficial effects of the utility model are as follows: the utility model transmits plastic bags through the transmission component to realize automated production, the electromagnetic block is energized to generate magnetism and cooperates with the magnetic attraction block to control the connection plate to move up or down, and the first buffer spring, the second buffer spring and the rubber pad are used to buffer the process of the connection plate moving up or down. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0011] Figure 2 This is a schematic diagram of the main structure of the new model used.

[0012] Figure 3 Schematic diagram of the bonding component structure.

[0013] Figure 4 Schematic diagram of the internal structure of the adjustment component.

[0014] In the picture:

[0015] 1-upper plate; 2-lower bottom plate; 3-transmission assembly; 4-bonding assembly; 5-support seat; 6-rotating shaft; 7-passive roller; 8-driving roller; 9-motor; 10-conveyor belt; 11-support block; 12-adjustment assembly; 13-heating plate; 14-silicone cloth; 15-connecting plate; 16-pressing plate; 17-trough body; 18-electromagnetic block; 19-first buffer spring; 20-magnetic block; 21-rubber pad; 22-second buffer spring. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] like Figure 1-4The illustrated device for edge bonding of plastic bags comprises an upper top plate 1 and a lower bottom plate 2, with a transmission assembly 3 and a bonding assembly 4 connected between the upper and lower plates 1 and 2. The transmission assembly 3 comprises two sets of transmission units symmetrically mounted vertically, each set of transmission units comprising two sets of support seats 5. A rotating shaft 6 is rotatably connected between each set of support seats 5. A passive roller 7 or a driving roller 8 is sleeved on the rotating shaft 6. One end of the rotating shaft 6 connected to the driving roller 8 is fixedly connected to the output shaft of a motor 9. A conveyor belt 10 is sleeved between the passive roller 7 and the driving roller 8. The bonding assembly 4 comprises a support block 11 and two symmetrically mounted adjustment assemblies 12. The support block 11 is fixedly connected to the lower bottom plate 2. A heating plate 13 is fixedly connected to the support block 11. A silicone cloth 14 is adhered to the surface of the heating plate 13 to prevent damage to the plastic bags due to excessive temperatures on the heating plate 13. The adjusting components 12 are fixedly connected to the upper top plate 1 , a connecting plate 15 is slidably connected between the two adjusting components 12 , and a pressing plate 16 is fixedly connected to the connecting plate 15 .

[0018] One group of transmission units is fixedly mounted on the upper top plate 1, and the corresponding two groups of support seats 5 and motor 9 are fixedly mounted on the upper top plate 1; the other group of transmission units is fixedly mounted on the lower bottom plate 2, and the corresponding two groups of support seats 5 and motor 9 are fixedly mounted on the lower bottom plate 2.

[0019] The output shafts of the motors 9 on the two transmission units rotate in opposite directions, so that the two conveyor belts 10 can convey the plastic bags from the input end to the output end. The distance between the two transmission units is the thickness of the plastic bags.

[0020] The adjustment assembly 12 includes a trough 17, with a through-hole at the top end thereof fixedly connected to an electromagnetic block 18 and a first buffer spring 19. The upper top plate 1 also includes a through-hole corresponding in shape and position to the through-hole in the trough 17, which is used to pass a wire electrically connected to the electromagnetic block 18. The other end of the first buffer spring 19 is fixedly connected to the upper surface of the connecting plate 15, to which a magnetic block 20 is fixedly connected. The electromagnetic block 18 generates magnetism, which cooperates with the magnetic block 20 to control the upward or downward movement of the connecting plate 15. A rubber pad 21 and a second buffer spring 22 are fixedly connected to the bottom of the trough 17, with the other end of the second buffer spring 22 fixedly connected to the bottom of the connecting plate 15.

[0021] The electromagnetic block 18 and the magnetic block 20 are located inside the first buffer spring 19, and the rubber pad 21 is located inside the second buffer spring 22. The first buffer spring 19, the second buffer spring 22 and the rubber pad 21 provide buffering for the upward or downward movement of the connecting plate 15.

[0022] A plastic bag is placed into the input of the transmission assembly 3 and conveyed to the bonding assembly 4 via the transmission assembly 3. The conveyor belt 10 briefly stops, at which point the electromagnetic block 18 is de-energized, de-magnetizing it. The connecting plate 15 moves downward, causing the pressing plate 16 to move downward. The edges of the plastic bag are bonded together through the heat and pressure of the pressing plate 16 and the heating plate 13. After bonding is complete, the electromagnetic block 18 is energized to generate magnetism, the connecting plate 15 moves upward, and the conveyor belt 10 is activated to transport the plastic bag out of the device. The input of the device can be connected to the output of the previous process, and the output of the device can be connected to the input of the next process. The energization of the motor 9 and the electromagnetic block 18 is set to a timed cycle to achieve assembly line operation and reduce the labor burden.

[0023] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An edge bonding device for plastic bag production, comprising an upper top plate and a lower bottom plate, wherein a transmission component and a bonding component are connected between the upper top plate and the lower bottom plate, characterized in that: The transmission component includes two groups of transmission units installed symmetrically in the upper and lower parts, each group of transmission units includes two groups of support seats, and a rotating shaft is rotatably connected between each group of support seats. A passive roller or a driving roller is sleeved on the rotating shaft, and one end of the rotating shaft connected to the driving roller is fixedly connected to the motor output shaft, and a conveyor belt is sleeved between the passive roller and the driving roller; the bonding component includes a support block and two adjustment components installed symmetrically in the left and right parts, the support block is fixedly connected to the lower base plate, a heating plate is fixedly connected to the support block, and silicone cloth is pasted on the surface of the heating plate, the adjustment component is fixedly connected to the upper top plate, a connecting plate is slidably connected between the two adjusting components, and a pressing plate is fixedly connected to the connecting plate.

2. An edge bonding device for plastic bag production according to claim 1, characterized in that: One group of transmission units is fixedly mounted on the upper top plate, and the corresponding two groups of support seats and motors are fixedly mounted on the upper top plate. Another group of transmission units is fixedly mounted on the lower bottom plate, and the corresponding two groups of support seats and motors are fixedly mounted on the lower bottom plate.

3. The edge bonding device for plastic bag production according to claim 2, characterized in that: The motor output shafts on the two transmission units rotate in opposite directions, and the distance between the two transmission units is the thickness of the plastic bag.

4. The edge bonding device for plastic bag production according to claim 1, characterized in that: The adjustment assembly includes a trough body, an electromagnetic block and a first buffer spring are fixedly connected to the top of the trough body, the other end of the first buffer spring is fixedly connected to the upper surface of the connecting plate, a magnetic block is fixedly connected to the connecting plate, a rubber pad and a second buffer spring are fixedly connected to the bottom of the trough body, and the other end of the second buffer spring is fixedly connected to the bottom of the connecting plate.

5. The edge bonding device for plastic bag production according to claim 4, characterized in that: The electromagnetic block and the magnetic attraction block are located inside the first buffer spring, and the rubber pad is located inside the second buffer spring.

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