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CN-122008629-A - Plastic woven bag flanging and sealing equipment

CN122008629ACN 122008629 ACN122008629 ACN 122008629ACN-122008629-A

Abstract

The application discloses folding and sealing equipment for a plastic woven bag, which comprises a frame, a feeding device, a folding and sealing device and a driving device, wherein the feeding device and the folding and sealing device are arranged on the frame side by side, the folding and sealing device comprises two rollers, a feeding roller, a folding component, two sealing components and two limiting components, wherein the two rollers are arranged on the frame side by side and rotate, one end rotating shafts of the two rollers are respectively provided with a first gear, the two first gears are meshed, the other end rotating shafts of the rollers close to the feeding device are connected with the feeding device through a first belt transmission mechanism, the feeding roller and the folding component are arranged above the two rollers side by side, and the feeding roller is connected with the frame in a rotating manner close to the feeding device. Therefore, the conversion time between the edge folding and sealing steps can be effectively reduced, the simplification of the production flow is realized, the production period of a single woven bag is greatly shortened, and the overall production efficiency is effectively improved.

Inventors

  • Lin Shengqie
  • Xie Shangpan
  • JIANG JIPENG
  • LI HENG
  • LIN SHENGYU

Assignees

  • 徐州国高新材料包装有限公司

Dates

Publication Date
20260512
Application Date
20260226

Claims (6)

  1. 1. The folding and sealing equipment for the plastic woven bags is characterized by comprising a frame (10), a feeding device (20), a folding and sealing device (30) and a driving device (40), wherein, The feeding device (20) and the edge folding and sealing device (30) are arranged on the frame (10) side by side, the edge folding and sealing device (30) comprises two rollers (31), a feeding roller (32), an edge folding component (33), two sealing components (34) and two limiting components (35), wherein, The two rollers (31) are arranged on the frame (10) in parallel in a rotating way, a first gear (301) is arranged at one end rotating shaft of each of the two rollers (31), the two first gears (301) are meshed, and the other end rotating shaft of the roller (31) close to the feeding device (20) is connected with the feeding device (20) through a first belt transmission mechanism (302); The feeding roller (32) and the flanging component (33) are arranged above the two rollers (31) side by side, the feeding roller (32) is close to the feeding device (20) and is rotationally connected with the frame (10), a second gear (303) is arranged on one end rotating shaft of the feeding roller (32), the second gear (303) is meshed with the first gear (301) close to the feeding device (20), and the other end rotating shaft of the feeding roller (32) is connected with the feeding device (20) through a second belt transmission mechanism (304); The two sealing assemblies (34) are respectively arranged in the corresponding rollers (31), and the sealing assemblies (34) penetrate through the rollers (31); The two limiting assemblies (35) are fixedly arranged on the frame (10) near the two ends of the feeding roller (32) respectively, and the two limiting assemblies (35) are connected with the sealing assembly (34) near the feeding device (20) respectively; The driving device (40) is arranged on the frame (10), and the driving device (40) is connected with the feeding device (20).
  2. 2. The plastic woven bag hemming and sealing apparatus of claim 1 wherein the feeding device (20) includes a first belt conveyor (21) and a press roller (22), wherein, The first belt conveyor (21) and the roller (31) are arranged on the frame (10) side by side, one end of a conveying roller rotating shaft of the first belt conveyor (21) is connected with the output end of the driving device (40), and the other end of the conveying roller rotating shaft of the first belt conveyor (21) is connected with the other end rotating shaft of the roller (31) close to the first belt conveyor (21) through the first belt transmission mechanism (302); The press roller (22) is positioned above the output end of the first belt conveyor (21), is rotatably arranged on the frame (10), and one end of a rotating shaft of the press roller (22) is connected with the rotating shaft of the other end of the feeding roller (32) through the second belt transmission mechanism (304).
  3. 3. The plastic woven bag hemming and sealing apparatus of claim 1 wherein the hemming assembly (33) includes a U-shaped frame (331), an arc-shaped guide plate (332), a baffle (333), a slider (334), two guide rods (335), a support plate (336) and a handle bolt (337), wherein, The U-shaped frame (331) is fixedly arranged on the frame (10), and an opening of the U-shaped frame (331) faces the roller (31) below the feeding roller (32); The arc-shaped guide plate (332) is fixedly arranged on the U-shaped frame (331), and the protruding part of the arc-shaped guide plate (332) faces between the two rollers (31); the baffle (333) is fixedly arranged on the inner side wall of the U-shaped frame (331), and one end of the baffle (333) extends towards the roller (31) below the feeding roller (32); the sliding block (334) is arranged in the U-shaped frame (331) in a sliding way; The two guide rods (335) are symmetrically and vertically arranged on the sliding block (334), and the top ends of the two guide rods (335) movably penetrate through the U-shaped frame (331) and are fixedly connected with the supporting plate (336); the handle bolt (337) is threaded through the support plate (336) and rotatably connected to the U-shaped frame (331).
  4. 4. The plastic woven bag hemming seal apparatus of claim 1 wherein the seal assembly (34) includes a bulkhead (341), a movable plate (342), two sets of posts (343), two sets of springs (344), a seal plate (345) and a transducer (346), wherein, The baffle (341) and the movable plate (342) are arranged in the roller (31) side by side, the baffle (341) is fixedly connected with the roller (31), and the movable plate (342) is movably connected with the roller (31); the two groups of upright posts (343) are symmetrically and vertically fixedly arranged on the movable plate (342), and the top ends of the two groups of upright posts (343) respectively penetrate through the baffle plate (341) in a movable way; The two groups of springs (344) are respectively sleeved on the corresponding upright posts (343), one end of each spring (344) is fixedly connected with the movable plate (342), and the other end of each spring (344) is fixedly connected with the partition plate (341); The sealing plate (345) is fixedly arranged on the bottom wall of the movable plate (342), and the bottom end of the sealing plate (345) penetrates through the roller (31); The transducer (346) is disposed on the movable plate (342), and the transducer (346) is connected to an external ultrasonic generator through a cable.
  5. 5. The plastic woven bag hemming and sealing apparatus of claim 4 wherein the restraint assembly (35) includes an arcuate restraint plate (351) and a drive rod (352), wherein, The end part of the arc-shaped limiting plate (351) close to the feeding roller (32) is fixedly arranged on the frame (10); The driving rod (352) is vertically and fixedly arranged on the bottom wall of the movable plate (342), and the top end of the driving rod (352) movably penetrates through the roller (31) and is intermittently in abutting connection with the arc-shaped limiting plate (351).
  6. 6. The plastic woven bag hemming and sealing apparatus according to claim 2, further comprising a discharging device (50), the discharging device (50) comprising a second belt conveyor (51), an arc-shaped deflector (52), a driving gear (53), a driven gear (54) and two transmission gears (55), wherein, The second belt conveyor (51) is arranged on the frame (10) and is positioned below the first belt conveyor (21); The arc-shaped guide plate (52) is fixedly arranged on the frame (10), one end of the arc-shaped guide plate (52) extends to be far away from the lower part of the roller (31) of the first belt conveyor (21), and the other end of the arc-shaped guide plate (52) extends to be above the input end of the second belt conveyor (51); The driving gear (53) is connected with the other end of the conveying roller rotating shaft of the first belt conveyor (21); the driven gear (54) is connected with one end of a conveying roller rotating shaft of the second belt conveyor (51); Two transmission gears (55) are rotatably arranged between the driving gear (53) and the driven gear (54), and the two transmission gears (55) are meshed, one transmission gear (55) is meshed with the driving gear (53), and the other transmission gear (55) is meshed with the driven gear (54).

Description

Plastic woven bag flanging and sealing equipment Technical Field The application relates to the technical field of plastic woven bag processing, in particular to a plastic woven bag flanging and sealing device. Background Plastic woven bags take up extremely important roles in the packaging field by virtue of unique advantages, and have extremely wide application range. The main raw materials are chemical plastic raw materials such as Polyethylene (PE) and polypropylene (PP), and the materials provide a plurality of excellent characteristics for the woven bags. The waterproof and moistureproof packaging material has good flexibility, can flexibly adapt to packaging requirements in different environments, has certain strength and durability, can easily bear various weight articles, has excellent waterproof and moistureproof functions, and effectively ensures the quality and safety of the packaged articles. Therefore, the plastic woven bag is suitable for packaging various powdery, granular and block materials and plays an indispensable role in various industries such as agriculture, chemical industry, building materials, food and the like. In the production process of the plastic woven bag, the sealing link plays a core role, but the traditional mode has limitations. Currently, two methods of sewing and hot press molding are commonly adopted for sealing the woven bag. Although the seaming process can finish sealing, the operation is complex, and the seaming process depends on manual or sewing equipment to perform needle-by-needle sewing, so that the sealing efficiency is low. In contrast, while the speed of thermoforming has increased, challenges remain. The particular problem is that the two key steps of flanging and sealing are split during the production process. Generally, the woven bags are firstly processed by a flanging machine and then transferred to a sealing machine for sealing, and the transfer process not only remarkably increases the complexity of production procedures and prolongs the production period of single woven bags, but also severely restricts the improvement of the overall production efficiency. Disclosure of Invention The present application aims to solve at least one of the technical problems in the related art to some extent. Therefore, an object of the present application is to provide a folding and sealing device for plastic woven bags, which can effectively reduce the conversion time between folding and sealing steps, and simplify the production process, so that the production period of a single woven bag is greatly shortened, and the overall production efficiency is effectively improved. In order to achieve the above purpose, an embodiment of the first aspect of the application provides a plastic woven bag edge folding and sealing device, which comprises a frame, a feeding device, edge folding and sealing devices and a driving device, wherein the feeding device and the edge folding and sealing devices are arranged on the frame side by side, the edge folding and sealing devices comprise two rollers, a feeding roller, edge folding components, two sealing components and two limiting components, wherein the two rollers are arranged on the frame side by side and rotationally, a first gear is respectively arranged on one end rotating shaft of the two rollers, the two first gears are meshed, the rotating shaft of the other end of the roller close to the feeding device is connected with the feeding device through a first belt transmission mechanism, the feeding roller and the edge folding components are arranged above the two rollers side by side and are connected with the frame in a rotating way, a second gear is arranged on one end rotating shaft of the feeding roller and is meshed with the first gear close to the feeding device, the other end of the feeding roller is connected with the corresponding to the two limiting components through a second belt transmission mechanism and is arranged in the frame close to the two sealing components, and the two end rotating shafts of the feeding roller are respectively connected with the two sealing components through the two sealing components. The folding and sealing equipment for the plastic woven bags can effectively reduce the conversion time between folding and sealing steps, simplify the production flow, greatly shorten the production period of single woven bags and effectively improve the overall production efficiency. In addition, the plastic woven bag flanging and sealing equipment provided by the application can also have the following additional technical characteristics: Further, the feeding device comprises a first belt conveyor and a press roller, wherein the first belt conveyor and the roller are arranged on the frame side by side, one end of a conveying roller rotating shaft of the first belt conveyor is connected with the output end of the driving device, the other end of the conveying roller rotating shaft of the first belt c