Welding device for polymer membrane material production
By designing a welding device for polymer membrane production, a heating plate and a negative pressure device are used to achieve efficient welding and winding of the membrane, solving the wrinkling problem of the membrane during winding and improving the utilization rate of the membrane.
Patent Information
- Application Number
- CN202423001061.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-05
AI Technical Summary
In existing technologies, when multi-chamber bag films containing powder and liquid are wound up, the lack of self-adhesiveness in the inner layer of the film causes wrinkles to form instantly upon contact between the film surface and the core, resulting in waste.
Design a welding device for polymer membrane production, including a base, support rod, telescopic cylinder, heating plate and negative pressure device. The heating plate welds the membrane and then rolls it up. The negative pressure device prevents the membrane from falling off, achieving efficient welding and rolling.
It effectively reduces membrane material waste, improves utilization, avoids membrane wrinkles and deformation, and achieves better winding effect.
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Figure CN223631043U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of plastic welding, in particular to a welding device for high molecular film material production. BACKGROUND
[0002] In recent years, powder-liquid multi-chamber bag film material has been greatly developed, and the powder-liquid multi-chamber bag film material is widely used in food packaging, medicine, chemicals, industry, agriculture and other fields due to its unique and excellent performance.
[0003] In the prior art, a multi-layer co-extrusion composite blown film technology is generally used to prepare a powder-liquid multi-chamber infusion bag. In actual blown film production, the inner layer of the powder-liquid film has no self-adhesion, and wrinkles of different degrees occur when the film surface contacts the tube core surface at the beginning of winding, resulting in waste when used by downstream pharmaceutical factories. Therefore, a welding device can be designed to weld the film material, so that it can be better wound. UTILITY MODEL CONTENTS
[0004] The utility model aims to provide a welding device for high molecular film material production, which can efficiently weld the film material and better wind it, reducing the waste of the film material.
[0005] The utility model realizes the following technical scheme: the welding device for high molecular film material production comprises a pair of oppositely arranged bases, a first support rod for connecting the pair of bases, a support plate arranged on the upper side of the first support rod, a pair of extension cylinders vertically arranged on the pair of bases respectively, a sliding block connected with the extension rod of the extension cylinder, a second support rod for connecting the pair of sliding blocks, and a heating plate arranged on the lower side of the second support rod; the heating plate is arranged directly above the support plate, and the heating plate is connected with a power supply device.
[0006] Further, a vertical sliding groove is formed in the upper end of the base, the extension cylinder is fixedly arranged on the upper end of the sliding groove, and the sliding block is slidingly arranged in the sliding groove.
[0007] Further, the extension cylinder is one of a pneumatic cylinder, an electric push rod and a hydraulic cylinder.
[0008] Further, the utility model further comprises a pair of horizontally and parallel arranged guide rails, and one base is slidingly arranged on one guide rail; one of the guide rails is provided with a driving device for driving the base to move along the guide rail.
[0009] Further, the driving device comprises an electric extension cylinder horizontally arranged at one end of the guide rail; the extension rod of the electric extension cylinder is connected with the base.
[0010] Further, the support plate is internally provided with a first negative pressure cavity, a plurality of first negative pressure holes are formed on the upper surface of the support plate, the first negative pressure cavity is connected with a first negative pressure pipe, and the first negative pressure pipe is connected with a first negative pressure machine; the first negative pressure cavity is arranged close to the front of the moving direction of the support plate.
[0011] Further, the support plate is internally provided with a first negative pressure cavity, a plurality of first negative pressure holes are formed on the upper surface of the support plate, the first negative pressure cavity is connected with a first negative pressure pipe, and the first negative pressure pipe is connected with a first negative pressure machine; the first negative pressure cavity is arranged close to the front of the moving direction of the support plate.
[0012] The welding device for polymer film material production has at least the following advantages and beneficial effects: when the device is used, the end of the film material is placed on the support plate, the starting end of the new film material is also placed on the support plate, then the telescopic cylinder is used to drive the second support rod and the heating plate to move downwards, the two film materials are heated and fused and welded, the heating plate moves upwards after the welding is completed, and the film material is released, so that the film material can be wound under the action of the winding roller and the like. Through the welding and winding mode, the film material can be better laid on the winding roller, and the film material itself will not be wrinkled, deformed and the like, the waste of the film material can be effectively reduced, and the utilization rate of the film material is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 The welding device for polymer film material production has at least the following advantages and beneficial effects: when the device is used, the end of the film material is placed on the support plate, the starting end of the new film material is also placed on the support plate, then the telescopic cylinder is used to drive the second support rod and the heating plate to move downwards, the two film materials are heated and fused and welded, the heating plate moves upwards after the welding is completed, and the film material is released, so that the film material can be wound under the action of the winding roller and the like. Through the welding and winding mode, the film material can be better laid on the winding roller, and the film material itself will not be wrinkled, deformed and the like, the waste of the film material can be effectively reduced, and the utilization rate of the film material is improved.
[0014] Figure 2 The welding device for polymer film material production has at least the following advantages and beneficial effects: when the device is used, the end of the film material is placed on the support plate, the starting end of the new film material is also placed on the support plate, then the telescopic cylinder is used to drive the second support rod and the heating plate to move downwards, the two film materials are heated and fused and welded, the heating plate moves upwards after the welding is completed, and the film material is released, so that the film material can be wound under the action of the winding roller and the like. Through the welding and winding mode, the film material can be better laid on the winding roller, and the film material itself will not be wrinkled, deformed and the like, the waste of the film material can be effectively reduced, and the utilization rate of the film material is improved.
[0015] Figure 3 The welding device for polymer film material production has at least the following advantages and beneficial effects: when the device is used, the end of the film material is placed on the support plate, the starting end of the new film material is also placed on the support plate, then the telescopic cylinder is used to drive the second support rod and the heating plate to move downwards, the two film materials are heated and fused and welded, the heating plate moves upwards after the welding is completed, and the film material is released, so that the film material can be wound under the action of the winding roller and the like. Through the welding and winding mode, the film material can be better laid on the winding roller, and the film material itself will not be wrinkled, deformed and the like, the waste of the film material can be effectively reduced, and the utilization rate of the film material is improved.
[0016] Figure 4 The welding device for polymer film material production has at least the following advantages and beneficial effects: when the device is used, the end of the film material is placed on the support plate, the starting end of the new film material is also placed on the support plate, then the telescopic cylinder is used to drive the second support rod and the heating plate to move downwards, the two film materials are heated and fused and welded, the heating plate moves upwards after the welding is completed, and the film material is released, so that the film material can be wound under the action of the winding roller and the like. Through the welding and winding mode, the film material can be better laid on the winding roller, and the film material itself will not be wrinkled, deformed and the like, the waste of the film material can be effectively reduced, and the utilization rate of the film material is improved.
[0017] Icon: 11 - base, 12 - sliding groove, 13 - telescopic cylinder, 14 - sliding block, 15 - first support rod, 16 - second support rod, 17 - heating plate, 18 - guide rail, 19 - electric telescopic cylinder, 21 - support plate, 22 - first negative pressure hole, 23 - first negative pressure pipe, 24 - second negative pressure hole, 25 - second negative pressure pipe, 30 - film material. DETAILED DESCRIPTION
[0018] EMBODIMENT
[0019] The following will be further described in combination with specific embodiments, such as the accompanying drawings Figure 1 -Figure 4 The welding device for producing polymer film material of the embodiment shown comprises a pair of oppositely arranged bases 11, a first support rod 15 for connecting the pair of bases 11, a support plate 21 arranged on the upper side of the first support rod 15, a pair of telescopic cylinders 13 vertically arranged on the pair of bases 11 respectively, a sliding block 14 connected with the telescopic rod of the telescopic cylinder 13, a second support rod 16 for connecting the pair of sliding blocks 14, and a heating plate 17 arranged on the lower side of the second support rod 16. The heating plate 17 is arranged directly above the support plate 21, and the heating plate 17 is connected with a power supply device. Specifically, in use, the end of the film material 30 is placed on the support plate 21, and the starting end of the new film material 30 is also placed on the support plate 21, then the telescopic cylinder 13 is used to drive the second support rod 16 and the heating plate 17 to move downward, and the two film materials 30 are heated and fused for welding. After the welding is completed, the heating plate 17 moves upward to release the film material 30, so that the film material 30 can be wound under the action of the winding roller and the like. By the method of welding first and then winding, the film material 30 can be better laid on the winding roller, and the film material 30 itself will not wrinkle, deform and the like, which can effectively reduce the waste of the film material 30 and improve the utilization rate of the film material 30.
[0020] The upper end of the base 11 in the embodiment is provided with a vertically arranged sliding groove 12, the telescopic cylinder 13 is fixedly arranged on the upper end of the sliding groove 12, and the sliding block 14 is slidingly arranged in the sliding groove 12. Specifically, this can ensure the stable up-down movement of the sliding block 14, the second support rod 16 and the heating plate 17.
[0021] The telescopic cylinder 13 in the embodiment is one of a pneumatic cylinder, an electric push rod and a hydraulic cylinder.
[0022] The embodiment further comprises a pair of horizontally and parallel arranged guide rails 18, and one base 11 is slidingly arranged on one guide rail 18. One of the guide rails 18 is provided with a driving device for driving the base 11 to move along the guide rail 18. Specifically, while welding, the driving device is used to drive the base 11, the heating plate 17, the support plate 21 and the like to move synchronously with the winding rate of the film material 30, which can avoid the film material 30 from being dragged on the ground and the like, and the winding roller can also not be closed.
[0023] The driving device in the embodiment comprises an electric telescopic cylinder 19 horizontally arranged at one end of the guide rail 18. The telescopic rod of the electric telescopic cylinder 19 is connected with the base 11.
[0024] The support plate 21 in the embodiment is internally provided with a first negative pressure cavity, a plurality of first negative pressure holes 22 are formed on the upper surface of the support plate 21, the first negative pressure cavity is connected with a first negative pressure pipe 23, and the first negative pressure pipe 23 is connected with a first negative pressure machine; the first negative pressure cavity is arranged at the front of the support plate 21 in the moving direction. The side of the support plate 21 away from the first negative pressure cavity is provided with a second negative pressure cavity, a second negative pressure hole 24 is formed on the surface of the support plate 21, the second negative pressure cavity is connected with a second negative pressure pipe 25, and the second negative pressure pipe 25 is connected with a second negative pressure machine. Specifically, the first negative pressure machine, the first negative pressure pipe 23, the first negative pressure cavity and the first negative pressure hole 22 can be used for negative pressure adsorption of the film material 30 in front, so as to avoid falling off the support plate 21. Similarly, the second negative pressure machine, the second negative pressure pipe 25, the second negative pressure cavity and the second negative pressure hole 24 can be used for negative pressure adsorption of the film material 30 at the rear, so as to avoid falling off the support plate 21, so that the welding operation can be better performed.
[0025] In conclusion, the welding device for high polymer film material production in the embodiment can place the end of the film material 30 on the support plate 21, place the starting end of the new film material 30 on the support plate 21, then drive the second support rod 16 and the heating plate 17 to move downward by using the telescopic cylinder 13, heat and melt and weld the two film materials 30, move the heating plate 17 upward after the welding is completed, release the film material 30, so that the film material 30 can be wound under the action of the winding roller and the like. By means of the welding and winding mode, the film material 30 can be better laid on the winding roller, and the film material 30 itself will not be wrinkled, deformed and the like, so that the waste of the film material 30 can be effectively reduced, and the utilization rate of the film material 30 can be improved.
[0026] The above is only a preferred embodiment of the utility model, and is not used for limiting the utility model. For those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A welding device for producing polymer membrane materials, characterized in that: The utility model provides a kind of heating plate, including a pair of oppositely arranged base (11), to connect a pair of first support rod (15) of the base (11), support plate (21) is arranged on the upper side of the first support rod (15), a pair of telescopic cylinders (13) are vertically arranged on a pair of the base (11) respectively, sliding block (14) connected with the telescopic rod of the telescopic cylinder (13), second support rod (16) is used to connect a pair of the sliding block (14), and heating plate (17) is arranged on the lower side of the second support rod (16); The heating plate (17) is arranged directly above the support plate (21), and the heating plate (17) is connected with a power supply device.
2. The welding device for producing a high molecular film material according to claim 1, characterized by: The base (11) is provided with a vertically arranged sliding groove (12) at the upper end, and the telescopic cylinder (13) is fixedly arranged at the upper end of the sliding groove (12).
3. The welding device for producing a high molecular film material according to claim 1, characterized in that: The telescopic cylinder (13) is one of a gas cylinder, an electric push rod and a hydraulic cylinder.
4. The welding device for producing a high molecular film material according to claim 1, wherein: It also includes a pair of horizontally and parallel arranged guide rails (18), and one of the base (11) is slidingly arranged on one of the guide rails (18). One of the guide rails (18) is provided with a driving device for driving the base (11) to move along the guide rail (18).
5. The welding device for producing a high molecular film material according to claim 4, wherein: The driving device includes an electric telescopic cylinder (19) horizontally arranged at one end of the guide rail (18), and the telescopic rod of the electric telescopic cylinder (19) is connected with the base (11).
6. The welding device for producing a high molecular film material according to claim 4, wherein: The support plate (21) is provided with a first negative pressure cavity inside, and a plurality of first negative pressure holes (22) are formed on the upper surface of the support plate (21), the first negative pressure cavity is connected with a first negative pressure pipe (23), and the first negative pressure pipe (23) is connected with a first negative pressure machine. The first negative pressure cavity is arranged close to the front of the moving direction of the support plate (21).
7. The welding device for producing a high molecular film material according to claim 6, wherein: The side of the support plate (21) away from the first negative pressure cavity is provided with a second negative pressure cavity, and the surface of the support plate (21) is provided with a second negative pressure hole (24), the second negative pressure cavity is connected with a second negative pressure pipe (25), and the second negative pressure pipe (25) is connected with a second negative pressure machine.