Heat sealing device for drainage bag
Through the automated thermal bonding device, the drainage bag folds are automatically flattened by the hydraulic cylinder and spring combination mechanism, which solves the problems of thermal bonding inconsistency and low efficiency caused by manual operation dependence in the prior art, and achieves efficient and stable thermal bonding of the drainage bag.
Patent Information
- Application Number
- CN202422921240.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-11-28
AI Technical Summary
The existing drainage bag thermal bonding device requires manual operation and depends on the skills and experience of the operator, resulting in poor consistency of thermal bonding effect and product quality and low efficiency.
An automated thermal joint device including a mounting frame, a support arm, a slider, a slider, a rotary shaft, a connecting rod and a hydraulic cylinder is designed. The installation frame is driven to move through the hydraulic cylinder, driving the support arm and a slider to slide, and the combination mechanism of the spring and torsion spring is used to automatically flatten the wrinkles on the surface of the drainage bag to ensure the flatness and sealing of the thermal joint surface.
Automatic wrinkle removal of drainage bags is achieved, the consistency of thermal bonding effect and product quality is improved, the operation efficiency is improved, and the dependence of manual operation is reduced.
Smart Images

Figure CN223147774U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heat sealing devices, and more specifically, to a heat sealing device for a drainage bag. Background Technique
[0002] The heat sealing device of the drainage bag assembly plays a crucial role. It is responsible for precisely and firmly combining the various components of the drainage bag to ensure its sealing performance and structural stability. In this device, the heat seal strip is undoubtedly the core component. It realizes the perfect heat sealing of different parts of the drainage bag through the ingenious way of heating and applying pressure.
[0003] In the existing technology, as disclosed in the document with the publication number CN220883587U, a heat sealing device for a drainage bag assembly is specifically disclosed. In order to solve the problem of wrinkles appearing during the heat sealing process of the drainage bag, during the heat sealing process, it is necessary to quickly smooth the drainage bag by pushing and pulling the movable plate on the anti-wrinkle device. However, this anti-wrinkle mechanism requires manual operation by the operator. This method highly depends on the skills, concentration and experience of the operator. The operating methods and forces of different operators may vary, thus affecting the heat sealing effect and the consistency of product quality. Moreover, the efficiency of manual operation is low. For this reason, we propose a heat sealing device for a drainage bag. Summary of the Utility Model
[0004] Based on the above-mentioned technical problems in the prior art that manual operation by the operator is required, this method highly depends on the skills, concentration and experience of the operator. The operating methods and forces of different operators may vary, thus affecting the heat sealing effect and the consistency of product quality, and the efficiency of manual operation is low, the utility model proposes a heat sealing device for a drainage bag.
[0005] A heat sealing device for a drainage bag proposed by the utility model includes a mounting frame. Two support arms are fixedly connected to both sides of the mounting frame. Positioning components are arranged on both sides of the mounting frame. Side frames are arranged on both sides of the support arms. Slide rods are fixedly connected to the inner walls of the side frames. First springs are sleeved on the circumferential outer walls of the slide rods. Sliders are slidably connected to the outer walls of the slide rods. The two sides of the support arms are respectively rotatably connected to the sliders. Rotating shafts are rotatably connected to the outer walls of the two outermost sliders. Torsion springs are sleeved on the outer walls of the rotating shafts. Connecting rods are slidably connected to the inner walls of the rotating shafts. Second springs are sleeved on the circumferential outer walls of the connecting rods. The ends of the two connecting rods are fixedly connected to a pressing rod;
[0006] It further includes a mounting base. An installation groove is formed at the top of the mounting base. An operating table is fixedly connected to the inner wall of the installation groove. Two grooves are formed at the top of the mounting base. Curved surfaces are formed at the edges of the grooves. The two grooves are respectively arranged on both sides of the installation groove.
[0007] Preferably, one end of the first spring is fixedly connected to the side frame, and the other end of the first spring is fixedly connected to the slider.
[0008] Preferably, one end of the second spring is fixedly connected to the rotating shaft, and the other end of the second spring is fixedly connected to the pressing rod.
[0009] Preferably, one end of the torsion spring is fixedly connected to the rotating shaft, and the other end of the torsion spring is fixedly connected to the slider.
[0010] Preferably, it further includes a chassis. Support feet are fixedly connected to the four corners of the bottom of the chassis. The top of the chassis is fixedly connected to the mounting base.
[0011] Preferably, a support frame is fixedly connected to the top of the chassis. A control box is fixedly connected to the top of the support frame. A control panel is fixedly connected to the end of the control box. A hydraulic cylinder is fixedly connected to the bottom of the control box. The output end of the hydraulic cylinder is fixedly connected to the mounting frame.
[0012] Preferably, two guide rods are fixedly connected to the bottom of the mounting frame. The end parts of the two guide rods are respectively fixedly connected to the heat-sealing plate.
[0013] Preferably, a corrugated expansion sleeve is fixedly connected to the wiring terminal at the top of the heat-sealing plate. The end parts of the two corrugated expansion sleeves are respectively fixedly connected to the control box.
[0014] Preferably, the positioning component includes a mounting post. A clamping groove is formed at the bottom of the mounting post. A mounting plate is clamped to the inner wall of the clamping groove. A rubber pad is fixedly connected to the bottom of the mounting plate. Two adjusting handwheels are threadedly connected to the top of the mounting post. The bottom parts of the adjusting handwheels are respectively threadedly connected to the mounting plate.
[0015] By means of the above technical solution, the beneficial effects in the present utility model are as follows:
[0016] 1. Lay the drainage bag flat on the top of the operating table. Push the installation frame to move through the hydraulic cylinder, drive the two installation columns to move downward through the installation frame, squeeze both sides of the drainage bag. The installation frame continues to descend, drive the support arm to move downward through the installation frame, and the support arm drives the slider to slide downward along the outer wall of the sliding rod. At this time, the pressing rod moves into the groove, and the pressing rod squeezes the top of the drainage bag to flatten the wrinkles on the surface of the drainage bag. The installation frame continues to move, the pressing rod drives the rotating shaft to rotate, and at the same time pushes the connecting rod to slide along the inner wall of the rotating shaft, and the heat sealing plate descends to perform heat sealing processing on the drainage bag. This design can automatically remove wrinkles from the flat drainage bag, thus avoiding affecting the heat sealing effect and the consistency of product quality, and improving the operation efficiency at the same time.
[0017] 2. The curved surface can reduce the friction between the drainage bag and the mounting seat, thereby protecting the drainage bag. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 is the overall structural schematic diagram of the present utility model;
[0019] Figure 2 is the partial structural schematic diagram of the present utility model;
[0020] Figure 3 is the structural schematic diagram of the mounting seat of the present utility model;
[0021] Figure 4 is the present utility model Figure 3 the enlarged view of A in;
[0022] Figure 5 is the installation structural schematic diagram of the installation column of the present utility model.
[0023] In the figure: 1, chassis; 2, support feet; 3, support frame; 4, control box; 5, control panel; 6, mounting seat; 7, installation groove; 8, groove; 9, curved surface; 10, operating table; 11, hydraulic cylinder; 12, installation frame; 13, heat sealing plate; 14, guide rod; 15, corrugated expansion sleeve; 16, support arm; 17, installation column; 18, side frame; 19, sliding rod; 20, first spring; 21, slider; 22, rotating shaft; 23, connecting rod; 24, second spring; 25, pressing rod; 26, card slot; 27, adjusting handwheel; 28, mounting plate; 29, rubber pad; 30, torsion spring. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0024] Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. In the present utility model, unless otherwise clearly defined and limited, the term "fixed connection" shall be understood in a broad sense. For example, "fixed connection" can be fixed installation, detachable connection, or integrated; it can be mechanical connection or electrical connection; it can be directly connected. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0025] As Figures 1 - 5 shown, a heat-sealing device for a drainage bag includes an installation frame 12. Two support arms 16 are fixedly connected to both sides of the installation frame 12. Positioning components are provided on both sides of the installation frame 12. Side frames 18 are provided on both sides of the support arms 16. Slide rods 19 are fixedly connected to the inner walls of the side frames 18. First springs 20 are sleeved on the circumferential outer walls of the slide rods 19. Sliders 21 are slidably connected to the outer walls of the slide rods 19. The two sides of the support arms 16 are respectively rotatably connected to the sliders 21. Rotating shafts 22 are rotatably connected to the outer walls of the two outer sliders 21. Torsion springs 30 are sleeved on the outer walls of the rotating shafts 22. Connecting rods 23 are slidably connected to the inner walls of the rotating shafts 22. Second springs 24 are sleeved on the circumferential outer walls of the connecting rods 23. The ends of the two connecting rods 23 are fixedly connected to a pressing rod 25. One end of the first spring 20 is fixedly connected to the side frame 18, and the other end of the first spring 20 is fixedly connected to the slider 21. One end of the second spring 24 is fixedly connected to the rotating shaft 22, and the other end of the second spring 24 is fixedly connected to the pressing rod 25. One end of the torsion spring 30 is fixedly connected to the rotating shaft 22, and the other end of the torsion spring 30 is fixedly connected to the slider 21;
[0026] It further includes a mounting base 6. An installation groove 7 is opened at the top of the mounting base 6. An operating table 10 is fixedly connected to the inner wall of the installation groove 7. Two grooves 8 are opened at the top of the mounting base 6. Curved surfaces 9 are opened at the edges of the grooves 8. The two grooves 8 are respectively arranged on both sides of the installation groove 7. The curved surfaces 9 can reduce the friction between the drainage bag and the mounting base 6, thereby protecting the drainage bag;
[0027] Through the combination of components such as the slide rod 19, the first spring 20, the slider 21, the rotating shaft 22, the torsion spring 30, the connecting rod 23, and the second spring 24, an adaptive flattening mechanism is formed, which can automatically adjust the position and force of the pressing rod 25 as the installation frame 12 descends, flatten the wrinkles on the surface of the drainage bag, and thus ensure the flatness and sealing performance of the heat-sealing surface.
[0028] As Figure 1 shown, it further includes a chassis 1. Support feet 2 are fixedly connected to the four corners of the bottom of the chassis 1. The top of the chassis 1 is fixedly connected to the mounting base 6. The device can be stably supported through the support feet 2.
[0029] AsFigure 1 As shown in the figure, a support frame 3 is fixedly connected to the top of the chassis 1, a control box 4 is fixedly connected to the top of the support frame 3, a control panel 5 is fixedly connected to the end of the control box 4, a hydraulic cylinder 11 is fixedly connected to the bottom of the control box 4, and the output end of the hydraulic cylinder 11 is fixedly connected to the mounting frame 12. The control panel 5 can control the start and stop of the hydraulic cylinder 11 and the heat-sealing plate 13.
[0030] As Figure 2 shown in the figure, two guide rods 14 are fixedly connected to the bottom of the mounting frame 12, and the ends of the two guide rods 14 are respectively fixedly connected to the heat-sealing plate 13.
[0031] As Figure 2 shown in the figure, a corrugated expansion sleeve 15 is fixedly connected to the wiring terminal at the top of the heat-sealing plate 13, and the ends of the two corrugated expansion sleeves 15 are respectively fixedly connected to the control box 4, so that the connecting wire between the heat-sealing plate 13 and the control box 4 can be placed inside the corrugated expansion sleeve 15.
[0032] As Figure 5 shown in the figure, the positioning assembly includes a mounting post 17, a clamping groove 26 is formed at the bottom of the mounting post 17, a mounting plate 28 is clamped to the inner wall of the clamping groove 26, a rubber pad 29 is fixedly connected to the bottom of the mounting plate 28, and two adjusting handwheels 27 are threadedly connected to the top of the mounting post 17, and the bottoms of the adjusting handwheels 27 are respectively threadedly connected to the mounting plate 28.
[0033] Working principle: The drainage bag is laid flat on the top of the operating table 10, the mounting frame 12 is pushed to move by the hydraulic cylinder 11, and the two mounting posts 17 are driven to move downward by the mounting frame 12, so as to squeeze both sides of the drainage bag;
[0034] The mounting frame 12 continues to descend, the mounting frame 12 drives the support arm 16 to move downward, the support arm 16 drives the slider 21 to slide downward along the outer wall of the slide bar 19, at this time the pressure bar 25 moves into the groove 8, and the pressure bar 25 squeezes the top of the drainage bag, so as to flatten the wrinkles on the surface of the drainage bag;
[0035] The mounting frame 12 continues to move, the pressure bar 25 drives the rotating shaft 22 to rotate, and at the same time pushes the connecting rod 23 to slide along the inner wall of the rotating shaft 22, at this time the heat-sealing plate 13 descends to perform heat-sealing processing on the drainage bag.
[0036] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered by the protection scope of the present invention.
Claims
1. A heat-sealing device for a drainage bag, comprising a mounting frame (12), characterized in that: Both sides of the installation frame (12) are fixedly connected with two support arms (16). Positioning components are arranged on both sides of the installation frame (12). Side frames (18) are arranged on both sides of the support arms (16). Slide bars (19) are fixedly connected to the inner walls of the side frames (18). First springs (20) are sleeved on the circumferential outer walls of the slide bars (19). Sliders (21) are slidably connected to the outer walls of the slide bars (19). Both sides of the support arms (16) are rotatably connected to the sliders (21). Rotating shafts (22) are rotatably connected to the outer walls of the two outermost sliders (21). Torsion springs (30) are sleeved on the outer walls of the rotating shafts (22). Connecting rods (23) are slidably connected to the inner walls of the rotating shafts (22). Second springs (24) are sleeved on the circumferential outer walls of the connecting rods (23). The ends of the two connecting rods (23) are fixedly connected with a pressing rod (25). It further includes a mounting base (6). An installation groove (7) is formed at the top of the mounting base (6). An operating table (10) is fixedly connected to the inner wall of the installation groove (7). Two grooves (8) are formed at the top of the mounting base (6). Curved surfaces (9) are formed at the edges of the grooves (8). The two grooves (8) are respectively arranged on both sides of the installation groove (7).
2. The heat-sealing device for a drainage bag according to claim 1, characterized in that: One end of the first spring (20) is fixedly connected to the side frame (18), and the other end of the first spring (20) is fixedly connected to the slider (21).
3. The heat-sealing device for a drainage bag according to claim 2, wherein: One end of the second spring (24) is fixedly connected to the rotating shaft (22), and the other end of the second spring (24) is fixedly connected to the pressing rod (25).
4. The heat-sealing device for a drainage bag according to claim 3, characterized in that: One end of the torsion spring (30) is fixedly connected to the rotating shaft (22), and the other end of the torsion spring (30) is fixedly connected to the slider (21).
5. The heat-sealing device for a drainage bag according to claim 4, characterized in that: It further includes a chassis (1). Support feet (2) are fixedly connected to the four corners of the bottom of the chassis (1). The top of the chassis (1) is fixedly connected to the mounting base (6).
6. The heat-sealing device for a drainage bag according to claim 5, characterized in that: A support frame (3) is fixedly connected to the top of the chassis (1). A control box (4) is fixedly connected to the top of the support frame (3). A control panel (5) is fixedly connected to the end of the control box (4). A hydraulic cylinder (11) is fixedly connected to the bottom of the control box (4). The output end of the hydraulic cylinder (11) is fixedly connected to the installation frame (12).
7. The heat-sealing device for a drainage bag according to claim 6, characterized in that: Two guide rods (14) are fixedly connected to the bottom of the installation frame (12). The ends of the two guide rods (14) are respectively fixedly connected to a heat sealing plate (13).
8. The heat sealing device for a drainage bag according to claim 7, wherein: A corrugated expansion sleeve (15) is fixedly connected to the wiring terminal at the top of the heat sealing plate (13). The ends of the two corrugated expansion sleeves (15) are respectively fixedly connected to the control box (4).
9. The heat-sealing device for a drainage bag according to claim 8, wherein: The positioning component includes a mounting post (17). A clamping groove (26) is formed at the bottom of the mounting post (17). A mounting plate (28) is clamped in the inner wall of the clamping groove (26). A rubber pad (29) is fixedly connected to the bottom of the mounting plate (28). Two adjusting handwheels (27) are threadedly connected to the top of the mounting post (17). The bottoms of the adjusting handwheels (27) are respectively threadedly connected to the mounting plate (28).
Citation Information
Patent Citations
Heat sealing device of drainage bag assembly
CN220883587U