Welding and sealing equipment for PVC (polyvinyl chloride) film
By designing a welding sealing equipment for PVC films, using electric heating rods to heat aluminum blocks and press down welding, the problem that existing ultrasonic welding equipment cannot weld PVC films is solved, and a low-cost and efficient welding sealing effect is achieved.
Patent Information
- Application Number
- CN202421866101.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-02
AI Technical Summary
Existing ultrasonic welding equipment cannot weld PVC films, cannot be used in medical kits, and requires the production of special ultrasonic molds, which is relatively expensive.
A welding sealing device for PVC films is designed, including packaging tables, mounting frames, tooling plates, cylinders, aluminum blocks, electric heating rods, thermostats and timers. The aluminum block is heated by an electric heating rod, pressed down on the kit and PVC film to melt, and the welding time is controlled by a timer.
It realizes effective welding sealing of PVC film, reduces equipment costs, is easy to use, and ensures welding quality.
Smart Images
Figure CN222904892U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PVC film welding, and particularly relates to a welding and sealing device for PVC film. Background Art
[0002] Polyvinyl chloride, namely PVC film, as a general plastic film, is widely used in various fields. The welding and sealing of PVC film is commonly used in packaging, encapsulation and sealing applications, and can generally be used for encapsulating medical test kits in the medical field.
[0003] At present, the existing ultrasonic welding equipment cannot weld PVC film and cannot be applied to medical test kits. Special ultrasonic molds need to be made, resulting in high costs. Summary of the Utility Model
[0004] Aiming at the deficiencies of the prior art, the utility model provides a welding and sealing device for PVC film, which solves the problems mentioned in the background art.
[0005] The above technical purpose of the utility model is achieved through the following technical solutions:
[0006] A welding and sealing device for PVC film includes: an encapsulation table, on the top surface of which an installation frame is fixedly installed; a tooling plate is arranged on the inner bottom surface of the installation frame; a cylinder is fixedly installed on the top surface of the installation frame; a connecting block is arranged inside the installation frame; a connecting ring is fixedly installed on the top surface of the connecting block, and the connecting ring is fixedly connected with the shaft of the cylinder; an aluminum block is arranged on the bottom surface of the connecting block; several installation holes are arranged on one side of the aluminum block, and electric heating rods are fixedly installed inside the installation holes.
[0007] Preferably, two clamping grooves are arranged on the top surface of the aluminum block; two clamping blocks are fixedly installed on the bottom surface of the connecting block, and the clamping blocks are movably clamped with the clamping grooves; fixing holes are arranged on both sides of the aluminum block and the clamping blocks, and fixing bolts are threadedly connected inside the fixing holes.
[0008] Preferably, two fixing frames are fixedly installed on the top surface of the encapsulation table; two threaded rods are fixedly installed on the top surface of the fixing frames, and the threaded rods are movably sleeved with the tooling plate; nuts are threadedly connected to the outside of the threaded rods.
[0009] Preferably, several countersunk head grooves are arranged on the top surface of the tooling plate, and the nuts are movably installed in the countersunk head grooves.
[0010] Preferably, a control host is fixedly installed on one side of the installation frame, and a temperature controller is fixedly installed on one side of the control host. The temperature controller is electrically connected with the control host.
[0011] Preferably, a timer is fixedly installed on one side of the control host, and the timer is electrically connected to the control host.
[0012] In summary, the main beneficial effects of the present utility model are as follows:
[0013] By setting the aluminum block, after the staff places the medical kit on the tooling plate, the electric heating rod is powered on, so that the electric heating rod transfers heat to the aluminum block. By setting the temperature controller, it is used to control the temperature of the electric heating rod to prevent the temperature from being too high and causing the PVC film to melt. Then the air cylinder is started to drive the aluminum block to press down, so that the heated aluminum block presses on the kit and the PVC film. The welding time of the film is set by the timer, and the heat on the aluminum block is transferred to the welded PVC film, causing the PVC film to melt. After the PVC film cools down, the sealing of the kit mouth is completed. The device has a low manufacturing cost and is easy to use. Description of the Drawings
[0014] Figure 1 is the three-dimensional structural schematic diagram of the present utility model;
[0015] Figure 2 is the split structural schematic diagram of the connecting block of the present utility model;
[0016] Figure 3 is the split structural schematic diagram of the fixing frame of the present utility model;
[0017] Figure 4 is the schematic diagram of the timer of the present utility model.
[0018] Reference numerals: 1, packaging table; 2, mounting rack; 3, tooling plate; 4, air cylinder; 5, connecting block; 6, connecting ring; 7, aluminum block; 8, mounting hole; 9, electric heating rod; 10, control host; 11, temperature controller; 12, timer; 13, card slot; 14, card block; 15, fixing hole; 16, fixing bolt; 17, fixing frame; 18, threaded rod; 19, nut; 20, counterbore; 21, warning slogan. Detailed Embodiments
[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. 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.
[0020] Refer to Figures 1-4, A welding and sealing device for PVC films, comprising: a packaging table 1, on the top surface of the packaging table 1, there is fixedly installed an installation frame 2, at the inner bottom surface of the installation frame 2, there is provided a tooling plate 3, on the top surface of the installation frame 2, there is fixedly installed a cylinder 4, inside the installation frame 2, there is provided a connecting block 5, on the top surface of the connecting block 5, there is fixedly installed a connecting ring 6, the connecting ring 6 is fixedly connected to the shaft of the cylinder 4, at the bottom surface of the connecting block 5, there is provided an aluminum block 7, on one side of the aluminum block 7, there are provided a number of mounting holes 8, and inside the mounting holes 8, there is fixedly installed a heating rod 9
[0021] By providing the aluminum block 7, after the staff places the medical test kit on the tooling plate 3, the heating rod 9 is powered on, so that the heating rod 9 transfers heat to the aluminum block 7, then the cylinder 4 is started to drive the aluminum block 7 to press down, so that the heated aluminum block 7 presses on the test kit and the PVC film, the heat on the aluminum block 7 is transferred to the welded PVC film, melting the PVC film, and after the PVC film cools down, the sealing of the test kit opening is completed. The device has a low manufacturing cost and is convenient to use.
[0022] As a further solution of the present utility model, on the top surface of the aluminum block 7, there are provided two card slots 13, on the bottom surface of the connecting block 5, there are fixedly installed two clamping blocks 14, the clamping blocks 14 are movably clamped with the card slots 13, on both sides of the aluminum block 7 and the clamping blocks 14, there are provided fixing holes 15, and inside the fixing holes 15, there is threadedly connected a fixing bolt 16;
[0023] By providing the fixing bolt 16, when welding the PVC film on medical packaging boxes of different shapes, the staff can unscrew the fixing bolt 16 according to the shape of the medical packaging box, so that the clamping blocks 14 can be separated from the aluminum block 7, thus facilitating the replacement of the aluminum block 7 of a suitable shape.
[0024] As a further solution of the present utility model, on the top surface of the packaging table 1, there are fixedly installed two fixing frames 17, on the top surface of the fixing frames 17, there are fixedly installed two threaded rods 18, the threaded rods 18 are movably sleeved with the tooling plate 3, and outside the threaded rods 18, there is threadedly connected a nut 19;
[0025] By providing the threaded rods 18, when applied to medical packaging boxes of some other shapes, the staff can unscrew the nut 19 to disassemble the tooling plate 3, facilitating the replacement of other types of tooling plates 3 for clamping the packaging box.
[0026] As a further solution of the present utility model, on the top surface of the tooling plate 3, there are provided a number of countersunk head grooves 20, and the nut 19 is movably installed with the countersunk head grooves 20;
[0027] By providing the countersunk head grooves 20, the nut 19 is screwed into the countersunk head grooves 20 to prevent the nut 19 from protruding on the tooling plate 3 and affecting the pressing down of the aluminum block 7.
[0028] As a further solution of the present utility model, a control host 10 is fixedly installed on one side of the mounting bracket 2, and a thermostat 11 is fixedly installed on one side of the control host 10. The thermostat 11 is electrically connected to the control host 10;
[0029] By setting the thermostat 11, it is used to control the temperature of the heating rod 9 to prevent the temperature from being too high and causing the PVC film to melt.
[0030] As a further solution of the present utility model, a timer 12 is fixedly installed on one side of the control host 10. The timer 12 is electrically connected to the control host 10;
[0031] By setting the timer 12, when the aluminum block 7 seals the reagent kit and the PVC film on the surface, the time for welding the film is set through the timer 12, without the need for staff to operate, ensuring the welding quality.
[0032] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A welding and sealing device for PVC film, characterized in that: include: A packaging table (1), wherein a mounting frame (2) is fixedly mounted on the top surface of the packaging table (1), a tooling plate (3) is arranged on the inner bottom surface of the mounting frame (2), a cylinder (4) is fixedly mounted on the top surface of the mounting frame (2), a connecting block (5) is arranged inside the mounting frame (2), a connecting ring (6) is fixedly mounted on the top surface of the connecting block (5), the connecting ring (6) is fixedly connected to the axis of the cylinder (4), an aluminum block (7) is arranged on the bottom surface of the connecting block (5), a plurality of mounting holes (8) are arranged on one side of the aluminum block (7), and an electric heating rod (9) is fixedly mounted inside the mounting hole (8).
2. A welding and sealing device for PVC film according to claim 1, characterized in that: The top surface of the aluminum block (7) is provided with two clamping grooves (13), and the bottom surface of the connecting block (5) is fixedly provided with two clamping blocks (14), and the clamping blocks (14) are movably clamped with the clamping grooves (13). Both sides of the aluminum block (7) and the clamping blocks (14) are provided with fixing holes (15), and the internal threads of the fixing holes (15) are connected with fixing bolts (16).
3. A welding and sealing device for PVC film according to claim 1, characterized in that: Two fixing frames (17) are fixedly mounted on the top surface of the packaging platform (1), and two threaded rods (18) are fixedly mounted on the top surface of the fixing frames (17). The threaded rods (18) are movably sleeved together with the tooling plate (3), and the external threads of the threaded rods (18) are connected to nuts (19).
4. A welding and sealing device for PVC film according to claim 3, characterized in that: The top surface of the tooling plate (3) is provided with a plurality of countersunk grooves (20), and the nuts (19) are movably mounted in the countersunk grooves (20).
5. A welding and sealing device for PVC film according to claim 2, characterized in that: A control host (10) is fixedly mounted on one side of the mounting frame (2), a temperature controller (11) is fixedly mounted on one side of the control host (10), and the temperature controller (11) is electrically connected to the control host (10).
6. A welding and sealing device for PVC film according to claim 5, characterized in that: A timer (12) is fixedly mounted on one side of the control host (10), and the timer (12) is electrically connected to the control host (10).