Plastic heat sealing device

The automatic heat sealing of raincoat sleeves is achieved by using a vacuum pump and cylinder to drive the irregularly shaped frame in a plastic heat sealing device. This solves the safety hazards and low efficiency caused by manual pressing, and improves the heat sealing quality and production efficiency of raincoat sleeves.

CN223750098UActive Publication Date: 2026-01-02WUHAN JINGNUO PLASTICS CO LTD
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Patent Information

Application Number
CN202520022661.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2026-01-02
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

The existing raincoat sleeves require manual alignment and pressing at the seams during the heat sealing process, which poses safety hazards and is inefficient.

Method used

A plastic heat-sealing device is used, which uses a vacuum pump to pressurize the inside of the cylinder. The cylinder drives the irregular frame and slider to heat-seal both sides of the sleeve, achieving automatic fixing and melting, avoiding manual pressing.

Benefits of technology

It improves heat sealing efficiency and quality, reduces safety hazards, prevents workers from getting burned, and enhances production efficiency and quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223750098U_ABST
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Abstract

The utility model belongs to the technical field of heat sealing equipment, and particularly relates to a plastic heat sealing device which comprises a supporting frame, a supporting plate is integrally and fixedly installed in the center of the top of the rear end of the supporting frame, an air cylinder is fixedly installed at the bottom of the supporting plate, and an L-shaped plate is fixedly installed at the bottom of the air cylinder. A special-shaped frame is integrally and fixedly installed at the front end of the L-shaped plate, a cylinder is installed at the bottom end of the L-shaped plate in an embedded mode, an air hole is integrally and fixedly formed in the center of the rear end of the cylinder, the outer surface of the air hole is fixedly sleeved with an air pipe, and a boss is integrally and fixedly installed at the bottom end of the cylinder. Hole grooves are formed in the two sides of the boss in a penetrating mode. According to the sleeve heat sealing device, the evacuation pump pumps the interior of the cylinder through the air pipe, the cut sleeve is wound on the cylinder through the hole groove, the air cylinder drives the special-shaped frame to move downwards, the heat sealing pipes conduct heat sealing on the two sides of the sleeve through the inclined grooves, the heat sealing efficiency and the heat sealing quality are improved, and potential safety hazards are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of heat sealing equipment, and particularly relates to a plastic heat sealing device. BACKGROUND

[0002] The sleeve for raincoat production is a component specially designed for making raincoats, and is a part of the overall structure of the raincoat, which usually constitutes a complete raincoat together with the torso part of the raincoat. The sleeve of the raincoat is usually sealed at the joint by a heat sealing device during production. The heat sealing process can fuse the materials at the joint of the sleeve, thereby improving the strength of the joint and improving the production efficiency and production quality.

[0003] Problems of the prior art:

[0004] During the production process of the existing raincoat sleeve, the cut-out sleeve material is usually folded in half, and the joint is placed at the lower end of the heat sealing machine. The heat sealing machine is pressed downward to melt and tightly connect the joint of the sleeve. The existing sleeve usually needs to be manually aligned and pressed at the joint during heat sealing to avoid misalignment of the joint affecting the production quality, but there are certain safety hazards. Utility model content

[0005] The utility model aims at providing a plastic heat sealing device, which can draw pressure in the cylinder through the vacuum pump, and the cut-out sleeve is wrapped around the cylinder through the hole slot. The heat sealing pipe is driven by the cylinder to move downward through the chute to heat seal the two sides of the sleeve, thereby improving the heat sealing efficiency and heat sealing quality and reducing safety hazards.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] A plastic heat sealing device, comprising a support frame, a support plate is integrally fixed and installed at the center of the top of the rear end of the support frame, a gas cylinder is fixedly installed at the bottom of the support plate, an L-shaped plate is fixedly installed at the bottom of the gas cylinder, a special-shaped frame is integrally fixed and installed at the front end of the L-shaped plate, a cylinder is embeddedly installed at the bottom end of the L-shaped plate, a gas hole is integrally fixed and installed at the center of the rear end of the cylinder, a gas pipe is fixedly sleeved on the outer surface of the gas hole, a boss is integrally fixed and installed at the top end of the cylinder, and a hole slot is formed in the two sides of the boss in a penetrating manner.

[0008] Support rods are fixedly installed at the four corner positions of the bottom of the support frame, pull rods are slidingly arranged in a penetrating manner at the front and rear ends of the two sides of the support frame, springs are sleeved on the outer surfaces of the four pull rods and located at the outer side positions of the support frame, a sliding block is fixedly installed at one end of the two pull rods and located inside the support frame, a heat sealing pipe is embeddedly arranged at one side of the top end of the two sliding blocks, and an inclined slot is formed at the top of the two sliding blocks and close to the special-shaped frame.

[0009] Two said sliders opposite side of the front and rear end are integrally fixedly installed with slide plates, the inner wall of the support frame and located at the slide plates are respectively provided with sliding grooves two, the slide plates are respectively slidably arranged in the sliding grooves two.

[0010] The support frame rear end is provided with a sliding groove one in the center, and the L-shaped plate is slidably arranged in the sliding groove one.

[0011] The two ends of the special-shaped frame bottom are designed as inclined triangles.

[0012] The utility model discloses the technical effect achieved is:

[0013] The utility model discloses when carrying out heat -sealing treatment to raincoat sleeve seam, through the pump to the inside of cylinder and draw pressure, the one end of cutting after sleeve is close to the hole groove place at this time, the one end of sleeve is adsorbed to the outer surface of cylinder, and the other end of sleeve is adsorbed in the hole groove at the other end and is fixed, and the L-shaped plate and special-shaped frame are started down motion under the drive of cylinder, and the special-shaped frame is down motion and draws two sliders close to each other through the lower groove, and the sleeve is fixed through the arc -shaped groove of slider bottom and the outer surface of cylinder, and the seam of sleeve is heat -sealed and melts through the heat -sealing pipe of sleeve two sides, and through two sliders and heat -sealing pipe, on one hand improves heat -sealing efficiency, and on the other hand improves heat -sealing quality, and the cylinder is formed negative pressure through the pump to the cylinder, and it is convenient to fixedly adsorb sleeve quickly, avoids manual holding and pressing, reduces the security risk, and when taking down when sleeve heat -sealing is completed, the cylinder of negative pressure can drive airflow through the hole groove, and the heat -sealing seam is cooled, production quality is improved, and the worker is avoided scalding. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the shaft side schematic view provided by the embodiment of the utility model;

[0015] Figure 2 It is the shaft side schematic view provided by the embodiment of the utility model;

[0016] Figure 3 It is the shaft side exploded schematic view provided by the embodiment of the utility model;

[0017] Figure 4 It is the embodiment provided by the utility model; Figure 3 It is the enlarged schematic view of A in the embodiment of the utility model.

[0018] In the drawings, the component list represented by each sign is as follows:

[0019] 1, support frame; 2, support rod; 3, pull rod; 4, spring; 5, sliding block; 6, chute; 7, support plate; 8, air cylinder; 9, L-shaped plate; 10, special-shaped frame; 11, cylinder; 12, air pipe; 13, sliding groove one; 14, sliding plate; 15, sliding groove two; 16, boss; 17, hole groove; 18, heat sealing pipe. DETAILED DESCRIPTION

[0020] In order to make the purpose and advantages of the utility model more clear and apparent, the utility model is specifically described below in combination with examples. It should be understood that the following text is only used to describe a plastic heat sealing device or several specific embodiments of the utility model, and does not strictly limit the specific protection scope requested by the utility model.

[0021] As Figures 1-4 shown, a plastic heat sealing device comprises a support frame 1, a support plate 7 is integrally fixed and installed at the center of the top of the rear end of the support frame 1, an air cylinder 8 is fixed and installed at the bottom of the support plate 7, an L-shaped plate 9 is fixed and installed at the bottom of the air cylinder 8, a special-shaped frame 10 is integrally fixed and installed at the front end of the L-shaped plate 9, a cylinder 11 is embeddedly installed at the bottom end of the L-shaped plate 9, a gas hole is integrally fixed and installed at the center of the rear end of the cylinder 11, an air pipe 12 is fixedly sleeved on the outer surface of the gas hole, a boss 16 is integrally fixed and installed at the top end of the cylinder 11, a hole groove 17 is formed through the two sides of the boss 16, and the two ends of the bottom of the special-shaped frame 10 are designed as inclined triangles.

[0022] Referring to the attached Figure 1 and Figure 4 , support rods 2 are fixedly installed at the positions of the four corners of the bottom of the support frame 1, pull rods 3 are throughly and slidably arranged at the front and rear ends of the two sides of the support frame 1, springs 4 are sleeved on the outer surfaces of the four pull rods 3 and located at the outer positions of the support frame 1, sliding blocks 5 are fixedly installed at one end of the two pull rods 3 and located inside the support frame 1, heat sealing pipes 18 are embeddedly arranged at one side of the top end of the two sliding blocks 5, and chutes 6 are formed at the top of the two sliding blocks 5 and close to the special-shaped frame 10.

[0023] According to the above structure, when the heat sealing treatment is carried out on the cut sleeve joint, the evacuation pump is started to evacuate the inside of the cylinder 11 through the air pipe 12, one end of the cut sleeve reverse side is attached to the hole groove 17 on one side of the boss 16 at the top end of the cylinder 11, the negative pressure cylinder 11 adsorbs and fixes one end of the sleeve reverse side through the hole groove 17, and the other end of the sleeve is attached to the hole groove 17 on the other side of the boss 16 by winding the sleeve around the cylinder 11, so that the two ends of the sleeve are quickly fixed and positioned, the working efficiency is improved, the air cylinder 8 is started at this time, the L-shaped plate 9 and the special-shaped frame 10 are driven to move downward, the two ends of the bottom of the special-shaped frame 10 are designed as inclined triangles, and the inclined surfaces are parallel to the inclined grooves 6, the two sliding blocks 5 are close to each other through the two inclined grooves 6 when the special-shaped frame 10 moves downward, and the sliding blocks 5 are close to the two ends of the sleeve, the bottom of one end of the sliding blocks 5 is designed as an arc, the sliding blocks 5 are close to the outer surface of the cylinder 11 and fix the bottom of the two ends of the sleeve on the outer surface of the cylinder 11 as the special-shaped frame 10 continues to descend, so that manual pressing is avoided, safety hazards are reduced, the two heat sealing pipes 18 are used to press and heat seal the two ends of the sleeve, the heat sealing efficiency and quality are improved, and the sleeve is taken off from the front end of the cylinder 11 when the heat sealing of the sleeve is completed. When the sleeve is pulled off, the negative pressure cylinder 11 drives the airflow to flow through the hole groove 17, cools the sleeve joint to a certain extent, avoids worker scalding, the air cylinder 8 drives the special-shaped frame 10 to rise after the heat sealing is completed, the two sliding blocks 5 are restored to the original position under the action of the spring 4, and the next heat sealing treatment is facilitated.

[0024] Referring to the drawings Figure 2 and Figure 3 The front and rear ends of the opposite sides of the two sliding blocks 5 are integrally fixed and installed with sliding plates 14, and the inner walls of the support frame 1 and located at the sliding plates 14 are respectively provided with sliding grooves two 15, and the sliding plates 14 are respectively slidably arranged in the corresponding sliding grooves two 15. The center of the rear end of the support frame 1 is provided with a sliding groove one 13, and the L-shaped plate 9 is slidably arranged in the sliding groove one 13.

[0025] According to the above structure, the stability of the sliding block 5 is improved by the sliding plate 14 and the sliding groove two 15, the quality of the sleeve joint heat sealing is improved, and the stability of the L-shaped plate 9 is improved by the sliding groove one 13, and the production quality of the sleeve is improved.

[0026] The working principle of the utility model is: when the heat sealing treatment is carried out to the joint of the cut sleeve, the air pump is started to suck the inside of the cylinder 11 through the air pipe 12, one end of the back of the cut sleeve is close to the hole groove 17 at the top of the cylinder 11, the negative pressure cylinder 11 is fixed to one end of the back of the sleeve through the hole groove 17, and the other end of the sleeve is close to the hole groove 17 at the other side of the boss 16, the two ends of the sleeve are quickly fixed and positioned, the working efficiency is improved, the air cylinder 8 is started at this time, the L-shaped plate 9 and the special-shaped frame 10 are driven to move downward, the two ends of the bottom of the special-shaped frame 10 are designed as inclined triangles, and the inclined surface is parallel to the inclined groove 6, the two sliders 5 are close to each other through the two inclined grooves 6 when the special-shaped frame 10 moves downward, and the two ends of the sleeve are close to each other, the bottom of one end of the slider 5 is designed as an arc, the slider 5 is close to the outer surface of the cylinder 11 and fixes the bottom of the two ends of the sleeve on the outer surface of the cylinder 11 with the continuous descent of the special-shaped frame 10, manual pressing is avoided, the safety hazard is reduced, the two heat sealing pipes 18 are used to extrude and heat seal the two ends of the sleeve, the heat sealing efficiency and quality are improved, the sleeve is taken off from the front end of the cylinder 11 when the heat sealing of the sleeve is completed, the negative pressure cylinder 11 drives the airflow to flow through the hole groove 17 when the sleeve is pulled off, the joint of the sleeve is cooled to a certain extent, the worker is prevented from being scalded, the special-shaped frame 10 is lifted by the air cylinder 8 after the heat sealing is completed, the two sliders 5 are bounced back to the original position under the action of the spring 4, and the next heat sealing treatment is facilitated.

[0027] The above only is the preferred implementation manner of the utility model, it should be pointed out that, for ordinary technical personnel in the prior art, on the premise of not departing from the principle of the utility model, still can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection range of the utility model. The structure, device and operation method not specifically described and explained in the utility model, are implemented according to conventional means in the art without special description and limitation.

Claims

1. A plastic heat sealing device comprising a support frame (1), characterized in that: The support frame (1) rear end top center integral fixed mounting has support plate (7), the support plate (7) bottom fixed mounting has pneumatic cylinder (8), the pneumatic cylinder (8) bottom fixed mounting has L-shaped plate (9), the L-shaped plate (9) front end integral fixed mounting has special-shaped frame (10), the L-shaped plate (9) bottom end embedded mounting has cylinder (11), the cylinder (11) rear end center integral fixed mounting has air hole, the air hole outer surface fixed sleeve has air pipe (12), the cylinder (11) top end integral fixed mounting has boss (16), the boss (16) both sides are all through type and are provided with hole groove (17).

2. A plastic heat sealing device as claimed in claim 1, wherein: The support frame (1) bottom corner position is all fixedly installed with support rod (2), the support frame (1) both sides front and rear are all through type and are provided with pull rod (3) sliding, four pull rod (3) outer surface and located at the outside of support frame (1) position are all set with spring (4), two pull rod (3) one end and located in the inside of support frame (1) are all fixedly installed with slider (5), two slider (5) top one side are all embedded and set with heat sealing pipe (18), two slider (5) top and close to special-shaped frame (10) are all provided with inclined slot (6).

3. A plastic heat sealing device as claimed in claim 2, wherein: Two slider (5) opposite side front and rear are all integral fixed mounting with sliding plate (14), the inner wall of support frame (1) and located at sliding plate (14) are all respectively provided with sliding groove two (15), the sliding plate (14) are all respectively slidingly arranged in the corresponding sliding groove two (15) inside.

4. A plastic heat sealing device as claimed in claim 1, wherein: The support frame (1) rear end center is provided with sliding groove one (13), the L-shaped plate (9) is slidingly arranged in the sliding groove one (13) inside.

5. A plastic heat sealing device as claimed in claim 1, wherein: The bottom of the special-shaped frame (10) is designed as an inclined triangle.