A welding system for a T-belt of a surgical gown

Abstract

The application discloses a welding system of a T-shaped waistband of a surgical gown, comprising a straight waistband production line and a reinforcing sheet production line; a first welding mechanism for welding the reinforcing sheet produced by the reinforcing sheet production line on the straight waistband produced by the straight waistband production line is arranged at the outlet of the straight waistband production line; a first traction wheel group, a first shearing mechanism, a conveying mechanism, a second traction wheel group, a clamping conveying mechanism and a second welding mechanism are sequentially arranged at the outlet of the first welding mechanism; a flanging mechanism for bending the end part of the straight waistband is arranged on one side of the conveying mechanism. The application not only simplifies more process steps and improves production efficiency, but also makes the structure compact through the simplification of the process, and can simultaneously weld the edge band and the T-shaped band through modular design, so that the efficiency is improved by adding multiple groups of work stations in the future.

Description

Technical Field

[0001] This invention relates to the field of surgical gown manufacturing technology, and in particular to a welding system for the T-belt of a surgical gown. Background Technology

[0002] In the production lines of disposable surgical gowns and isolation gowns, the biggest factor limiting speed is the low efficiency of the ultrasonic welding station for the waistbands. A typical surgical gown has four waistbands: side belts on both sides and two middle waistbands on the front and back. Analyzing the forces acting on the two middle waistbands reveals that their force direction is always perpendicular to the fabric surface. Given the characteristics of ultrasonic welding, if only one side is welded using conventional methods, the two middle waistbands are highly likely to detach during wear, resulting in a serious quality defect. To solve this problem, a short reinforcing piece is added to the design of the two middle waistbands. One end of the reinforcing piece is first welded to the waistband body, and then welded together with the waistband to the surgical gown, forming a T-shaped structure. When the T-shaped structure is subjected to force from below, the two short weld points at the top mutually restrain each other, causing the force direction at the weld point to form a near-parallel acute angle with the fabric. Compared to the perpendicular angle of a single-sided weld, the peeling force at the weld point is greatly increased, significantly reducing the possibility of the waistband detaching from the gown during wear. However, this T-shaped belt makes the manufacturing process more complex. While the production process for T-shaped belts is generally similar, the main challenge lies in ensuring that the short sides of the T automatically unfold and weld to the garment, rather than forming a Y-shape. Currently, there are two solutions. The first approach is to use a clamping cylinder to straighten the two short ends of the Y-shape, transforming it into a T-shape. However, this solution is structurally complex, inefficient, and has a certain scrap rate. Although it achieves automation, it doesn't offer much improvement compared to manual welding. The second approach involves using a baffle in the middle of the Y-shaped fork during welding to flatten it into a T-shape. However, because of the baffle, welding is impossible at the width of the baffle, resulting in lower strength compared to the first solution, which is less acceptable to customers. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of existing technologies by proposing a welding system for a T-shaped waistband of surgical gowns.

[0004] The technical solution of the present invention is: a welding system for a T-shaped waistband of a surgical gown, comprising a straight waistband production line and a reinforcing plate production line; the outlet of the straight waistband production line is provided with a first welding mechanism for welding the reinforcing plate produced by the reinforcing plate production line to the straight waistband produced by the straight waistband production line; the outlet of the first welding mechanism is provided with a first traction wheel group, a first cutting mechanism, a conveying mechanism, a second traction wheel group, a clamping conveying mechanism, and a second welding mechanism in sequence; one side of the conveying mechanism is provided with a flanging mechanism for bending the end of the straight waistband; after the end of the straight waistband with the reinforcing plate welded thereon passes through the first traction wheel group, the conveying mechanism, and the second traction wheel group in sequence, the first cutting mechanism cuts the straight waistband, and the end of the straight waistband extending out of the second traction wheel group after cutting forms a Y-shape with the reinforcing plate welded to the straight waistband under the action of springback; the clamping conveying mechanism is used to clamp the end of the straight waistband extending out of the second traction wheel group after cutting and convey it to the second welding mechanism for welding with the surgical gown.

[0005] Both the straight waistband production line and the reinforcing sheet production line include, in sequence, an unwinding roller, a fabric pulling cylinder for wrapping and folding nonwoven fabric, a roller pressing die, a third traction wheel set, and a tension adjustment mechanism; the roller pressing die includes a pressure roller and a roller pressing ultrasonic welding head set on the corresponding pressure roller; the tension adjustment mechanism includes an adjustment frame and a tensioning wheel movably mounted on the adjustment frame via an adjustment seat; a pair of guide wheels are set on both sides of the adjustment frame.

[0006] The first welding mechanism includes a short belt mold and a short belt welding head provided for the short belt mold; the straight belt produced by the straight belt production line passes between the short belt mold and the short belt welding head; the reinforcing sheet produced by the reinforcing sheet production line enters between the short belt mold and the short belt welding head in the opposite direction to the straight belt through a guide wheel assembly and a second traction mechanism; a second shearing mechanism is provided on one side of the short belt mold for cutting the reinforcing sheet after it is welded to the straight belt.

[0007] The front end of the third traction wheel set is provided with a second shearing mechanism.

[0008] The conveying mechanism includes a first conveying wheel set, a second conveying wheel set, and a third conveying wheel set; the second conveying wheel set is arranged horizontally along the first conveying wheel set; the third conveying wheel set is arranged longitudinally and fits against the first conveying wheel set; the flanging mechanism is located at the outlet formed by the first and second conveying wheel sets.

[0009] The clamping and conveying mechanism includes pneumatic grippers and gripper drive cylinders for driving the movement of the pneumatic grippers.

[0010] The second welding mechanism and the short-strip welding head are both ultrasonic welding heads.

[0011] Both the first and second shearing mechanisms are pneumatic shears.

[0012] The present invention has the following beneficial effects by adopting the above technical solution: (1) The present invention sets up a straight waist belt production line and a reinforcing plate production line. The reinforcing plate can be welded to the straight waist belt through the first welding mechanism. Then, at the outlet of the first welding mechanism, the first traction wheel group, the first shearing mechanism, the conveying mechanism, the second traction wheel group, the clamping conveying mechanism and the second welding mechanism are set in sequence. A flanging mechanism is also set up so that after the end of the straight waist belt with the reinforcing plate is extended out of the second traction wheel group, its end and the reinforcing plate rebound in a Y shape under the action of its own elasticity. Then it is welded to the surgical gown. This not only simplifies many process steps and improves production efficiency, but also the simplification of the process brings about a compact structure. Through modular design, the side belt and T-belt can be welded at one station at the same time, providing upgrade space for subsequent addition of multiple stations to improve efficiency.

[0013] (2) The present invention is equipped with a tension adjustment mechanism to facilitate the smooth and stable production of the straight waist belt production line and the reinforcing sheet production line.

[0014] (3) The present invention is provided with a guide wheel group and a second traction mechanism to facilitate the smooth transport of the reinforcing sheet to the welding station and ensure the stability of the welding of the reinforcing sheet.

[0015] (4) The present invention provides a second shearing mechanism at the front end of the third traction wheel set, so that the reinforcing plate can be attached to the straight waist belt and enter the next process, so that the reinforcing plate and the end of the straight waist belt can form a Y shape in the later stage.

[0016] (5) The conveying mechanism of the present invention adopts a first conveying wheel group, a second conveying wheel group and a third conveying wheel group, which can not only ensure the stable transmission of the straight belt, but also provide operating space for the flanging mechanism. It not only has a good conveying effect, but also has a compact structure. Attached Figure Description

[0017] To make the content of this invention easier to understand, the invention will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the structure of the present invention.

[0019] Figure 2 This is a schematic diagram of the welding structure of the T-shaped belt of the present invention.

[0020] The labels in the attached diagram are:

[0021] First welding mechanism 1, short belt mold 1-1, short belt welding head 1-2, guide wheel group 1-3, second traction mechanism 1-4, second shearing mechanism 1-5, first traction wheel group 2, first shearing mechanism 3, conveying mechanism 4, first conveying wheel group 4-1, second conveying wheel group 4-2, third conveying wheel group 4-3, second traction wheel group 5, clamping and conveying mechanism 6, second welding mechanism 7, flanging mechanism 8, flanging block 8-1, flanging cylinder 8-2, unwinding roller 9, fabric pulling cylinder 10, roller pressing mold 11, pressure roller 11-1, roller pressing ultrasonic welding head 11-2, third traction wheel group 12, tension adjustment mechanism 13, adjustment frame 13-1, tensioning wheel 13-2, guide wheel 13-3, flanging lever 14. Detailed Implementation

[0022] (Example 1)

[0023] See Figure 1 and Figure 2 This embodiment describes a welding system for a T-shaped waistband of a surgical gown, comprising a straight waistband production line and a reinforcing plate production line. The outlet of the straight waistband production line is equipped with a first welding mechanism 1 for welding the reinforcing plate produced by the reinforcing plate production line to the straight waistband produced by the straight waistband production line. The outlet of the first welding mechanism 1 is sequentially equipped with a first traction wheel group 2, a first shearing mechanism 3, a conveying mechanism 4, a second traction wheel group 5, a clamping conveying mechanism 6, and a second welding mechanism 7. One side of the conveying mechanism 4 is equipped with a flanging mechanism 8 for bending the end of the straight waistband. When the end of the straight waistband with the welded reinforcing plate passes sequentially through the first traction wheel group 2, the conveying mechanism 4, and the second traction wheel group 5, the first shearing mechanism 3 cuts the straight waistband. The end of the straight waistband extending beyond the second traction wheel group 5 after cutting forms a Y-shape with the reinforcing plate welded to the straight waistband under the action of springback. The clamping conveying mechanism 6 clamps one end of the cut straight waistband extending beyond the second traction wheel group 5 and conveys it to the second welding mechanism 7 for welding to the surgical gown.

[0024] Furthermore, both the straight waistband production line and the reinforcing sheet production line include, in sequence, an unwinding roller 9, a fabric pulling cylinder 10 for wrapping nonwoven fabric, a roller pressing die 11, a third traction wheel set 12, and a tension adjusting mechanism 13; the roller pressing die 11 includes a pressure roller 11-1 and a roller pressing ultrasonic welding head 11-2 corresponding to the pressure roller 11-1; the tension adjusting mechanism 13 includes an adjusting frame 13-1 and a tensioning wheel 13-2 movably mounted on the adjusting frame 13-1 via an adjusting seat, so as to facilitate the stable production of the straight waistband and the reinforcing sheet; a pair of guide wheels 13-3 are arranged vertically on both sides of the adjusting frame 13-1.

[0025] Furthermore, the first welding mechanism 1 includes a short belt mold 1-1 and a short belt welding head 1-2 provided for the short belt mold 1-1; the straight belt produced by the straight belt production line passes between the short belt mold 1-1 and the short belt welding head 1-2; the reinforcing sheet produced by the reinforcing sheet production line enters between the short belt mold 1-1 and the short belt welding head 1-2 in the opposite direction to the straight belt through the guide wheel group 1-3 and the second traction mechanism 1-4 to ensure that the reinforcing sheet can be stably welded to the straight belt; a second shearing mechanism 1-5 is provided on one side of the short belt mold 1-1 for cutting the reinforcing sheet after it is welded to the straight belt.

[0026] Furthermore, the front end of the third traction wheel assembly 12 is provided with a flanged flap 14, which allows the reinforcing plate to be attached to the straight belt and enter the next process, so that the reinforcing plate and the end of the straight belt can form a Y shape in the later stage.

[0027] Furthermore, the conveying mechanism 4 includes a first conveying wheel set 4-1, a second conveying wheel set 4-2, and a third conveying wheel set 4-3; the second conveying wheel set 4-2 is arranged horizontally along the first conveying wheel set 4-1; the third conveying wheel set 4-3 is arranged longitudinally against the first conveying wheel set 4-1; the flanging mechanism 8 is located at the outlet formed by the first conveying wheel set 4-1 and the second conveying wheel set 4-2, which not only ensures stable transmission of the straight belt, but also provides operating space for the flanging mechanism 8, resulting in good conveying effect and compact structure.

[0028] Furthermore, the clamping and conveying mechanism 6 includes a pneumatic gripper and a gripper drive cylinder for driving the movement of the pneumatic gripper.

[0029] Furthermore, the second welding mechanism 7 and the short-strip welding heads 1-2 are both ultrasonic welding heads.

[0030] Furthermore, both the first cutting mechanism 3 and the second cutting mechanisms 1-5 are pneumatic shears for ease of control.

[0031] Furthermore, the flanging mechanism 8 includes a flanging block 8-1 and a flanging cylinder 8-2 for driving the flanging block 8-1 to move.

[0032] The welding system for the T-shaped waistband of the surgical gown in this embodiment includes a straight waistband production line and a reinforcing plate production line. The reinforcing plate is welded to the straight waistband by the first welding mechanism 1. Then, at the exit of the first welding mechanism 1, a first traction wheel group 2, a first shearing mechanism 3, a conveying mechanism 4, a second traction wheel group 5, a clamping conveying mechanism 6, and a second welding mechanism 7 are arranged in sequence, and a flanging mechanism 8 is also provided. As a result, after the end of the straight waistband with the reinforcing plate is extended out of the second traction wheel group 5, its end and the reinforcing plate rebound into a Y shape under the action of its own elasticity, and then it is welded to the surgical gown. This not only simplifies many process steps and improves production efficiency, but also brings about a compact structure through process simplification. Through modular design, the side belt and T-belt can be welded at one station at the same time, providing upgrade space for adding multiple sets of stations to improve efficiency in the future.

[0033] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above descriptions are merely specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A welding system for a T-shaped waistband of a surgical gown, characterized in that: The system includes a straight waist belt production line and a reinforcing plate production line; the outlet of the straight waist belt production line is provided with a first welding mechanism (1) for welding the reinforcing plates produced by the reinforcing plate production line to the straight waist belt produced by the straight waist belt production line; the outlet of the first welding mechanism (1) is provided with a first traction wheel group (2), a first shearing mechanism (3), a conveying mechanism (4), a second traction wheel group (5), a clamping conveying mechanism (6), and a second welding mechanism (7) in sequence; one side of the conveying mechanism (4) is provided with a flanging mechanism (8) for bending the end of the straight waist belt; the flanging mechanism (8) includes a flanging block (8 -1) and a flanging cylinder (8-2) for driving the movement of the flanging block (8-1); after the end of the straight waist belt with the reinforcing plate welded on it passes through the first traction wheel group (2), the conveying mechanism (4) and the second traction wheel group (5) in sequence, the first cutting mechanism (3) cuts the straight waist belt, and the end of the straight waist belt extending out of the second traction wheel group (5) after cutting forms a Y shape with the reinforcing plate welded on the straight waist belt under the action of springback; the clamping and conveying mechanism (6) is used to clamp the end of the straight waist belt extending out of the second traction wheel group (5) after cutting, and convey it to the second welding mechanism (7) to weld it with the surgical gown; Both the straight waistband production line and the reinforcing sheet production line include, in sequence, an unwinding roller (9), a fabric pulling cylinder (10) for wrapping nonwoven fabric, a roller pressing mold (11), a third traction wheel group (12), and a tension adjustment mechanism (13). The first welding mechanism (1) includes a short belt mold (1-1) and a short belt welding head (1-2) provided for the short belt mold (1-1); the straight belt produced by the straight belt production line passes between the short belt mold (1-1) and the short belt welding head (1-2); the reinforcing sheet produced by the reinforcing sheet production line enters between the short belt mold (1-1) and the short belt welding head (1-2) in the opposite direction to the straight belt through the guide wheel group (1-3) and the second traction mechanism (1-4); a second shearing mechanism (1-5) is provided on one side of the short belt mold (1-1) for cutting the reinforcing sheet after it is welded to the straight belt. The front end of the third traction wheel set (12) is provided with a flanged paddle (14).

2. The welding system for a T-shaped waistband of a surgical gown according to claim 1, characterized in that: The roller pressing mold (11) includes a pressure roller (11-1) and a roller pressing ultrasonic welding head (11-2) corresponding to the pressure roller (11-1); the tension adjustment mechanism (13) includes an adjustment frame (13-1) and a tensioning wheel (13-2) movably mounted on the adjustment frame (13-1) via an adjustment seat; a pair of guide wheels (13-3) are provided on both sides of the adjustment frame (13-1).

3. The welding system for a T-shaped waistband of a surgical gown according to claim 1, characterized in that: The conveying mechanism (4) includes a first conveying wheel set (4-1), a second conveying wheel set (4-2), and a third conveying wheel set (4-3); the second conveying wheel set (4-2) is arranged horizontally along the first conveying wheel set (4-1); the third conveying wheel set (4-3) is arranged longitudinally in close contact with the first conveying wheel set (4-1); the flanging mechanism (8) is located at the outlet formed by the first conveying wheel set (4-1) and the second conveying wheel set (4-2).

4. The welding system for a T-shaped waistband of a surgical gown according to claim 1, characterized in that: The clamping and conveying mechanism (6) includes a pneumatic gripper and a gripper drive cylinder for driving the movement of the pneumatic gripper.

5. The welding system for a T-shaped waistband of a surgical gown according to claim 1, characterized in that: The second welding mechanism (7) and the short-strip welding head (1-2) are both ultrasonic welding heads.

6. The welding system for a T-shaped waistband of a surgical gown according to claim 1, characterized in that: Both the first cutting mechanism (3) and the second cutting mechanism (1-5) are pneumatic shears.

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