Die capable of adjusting aperture ratio of expanded body

By designing a mold with adjustable expansion perforation ratio, and utilizing the combination of the adjusting plate and the opening moving template, as well as the screw rotation mechanism, the problem of the existing mold's difficulty in adjusting the perforation ratio is solved, realizing flexible adjustment of the perforation ratio and improving the applicability of the equipment.

CN223733645UActive Publication Date: 2025-12-30SHANGHAI KANGNING MEDICAL DEVICE
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Patent Information

Application Number
CN202422987578.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-12-30
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

Existing expanded polytetrafluoroethylene (ePTFE) molds have fixed structures, making it difficult to flexibly adjust the opening ratio and meet the diverse needs of different products for the opening ratio of ePTFE materials.

Method used

An adjustable porosity mold for expanded polytetrafluoroethylene (ePTFE) was designed. By combining the adjustment plate with the moving template for porosity, and with the screw and rotation mechanism, the porosity can be flexibly adjusted. This includes the use of threaded connections, rotating handwheels, and telescopic rods to adjust the porosity of ePTFE materials.

Benefits of technology

It enables flexible adjustment of the porosity of expanded polytetrafluoroethylene (ePTFE) materials, improving the practicality of the equipment and meeting the needs of different products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a mould capable of adjusting the aperture ratio of an expanded body, which comprises a fixed mould, the four corners of the top of the fixed mould are connected with an opening movable mould plate through air cylinders, the outer wall of the bottom of the opening movable mould plate is fixedly provided with a first punching rod, and the outer wall of the top of the opening movable mould plate is provided with a concentric-square-shaped counter bore; through holes are evenly formed in the inner wall of the concentric-square-shaped counter bore, the four corners of the top of the trepanning movable mold plate are connected with a top plate through supporting rods, the inner wall of the top plate is connected with an adjusting plate through a screw rod, the bottom of the adjusting plate is detachably connected with a second punching rod through a screw hole, and the second punching rod is connected with the inner walls of the through holes in a matched and inserted mode. The bottom end of the second punching rod is flush with the bottom end of the first punching rod in height, and relates to the technical field of expanded body punching molds, the threaded rod is rotated to push the adjusting plate to be combined and butted with the punching movable mold plate, so that the aperture ratio can be conveniently and flexibly adjusted according to the use requirement, and the use practicability of equipment is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the expanded body hole die, and specifically relates to a die capable of adjusting the expanded body hole rate. BACKGROUND

[0002] Expanded body materials are widely used in many fields such as medical treatment, filtration and heat preservation. The hole rate of the expanded body material has an important influence on the performance of the material. For example, in the field of medical implantation, a proper hole rate is helpful for the growth of cell tissues and the exchange of nutrients. In the field of filtration, the hole rate determines the filtration accuracy and flux performance. The existing expanded body die is mostly fixed in structure, and it is difficult to flexibly adjust the hole rate, so it cannot meet the diversified needs of different products for the hole rate of the expanded body material. SUMMARY

[0003] The utility model aims at providing a die capable of adjusting the expanded body hole rate to solve the problems in the background.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A die capable of adjusting the expanded body hole rate, comprising a fixed die, a hole dynamic die plate connected to the fixed die through a gas cylinder at the top of four corners of the fixed die, a first punch connected to the bottom outer wall of the hole dynamic die plate, a back-shaped counterbore formed in the top outer wall of the hole dynamic die plate, a plurality of through holes evenly formed in the inner wall of the back-shaped counterbore, a top plate connected to the top four corners of the hole dynamic die plate through a support rod, an adjusting plate connected to the inner wall of the top plate through a screw rod, a second punch connected to the bottom of the adjusting plate through a screw hole, the second punch being connected to the inner wall of the through hole in a plug-in manner, and the bottom end of the second punch being flush with the bottom end of the first punch in height.

[0006] In a preferred embodiment of the utility model, the top of the hole dynamic die plate is provided with a protrusion, the protrusion is located above the first punch area, a second counterbore is formed in the bottom inner wall of the adjusting plate, and the second counterbore is engaged with the protrusion in an up-down manner.

[0007] In a preferred embodiment of the utility model, a rotating drum is welded and connected to the top of the hole dynamic die plate, the outer wall of the screw rod is threadedly connected to the inner wall of the top plate, the bottom end of the screw rod is welded and connected to a rotating disc, and the outer wall of the rotating disc is rotationally connected to the inner wall of the rotating drum.

[0008] In a preferred embodiment of the utility model, the top of the rotating drum is fixedly connected to a cover plate through a bolt, and the top outer wall of the screw rod is welded and connected to a hand wheel.

[0009] In a preferred embodiment of the utility model, a telescopic rod is connected between the top four corners of the hole dynamic die plate and the bottom outer wall of the top plate, and the telescopic rod comprises a sleeve pipe and an inner pipe.

[0010] In a preferred embodiment of the utility model, the sleeve is fixedly connected on the top of the opening movable die plate, and the inner tube is fixedly connected on the outer wall of the sleeve.

[0011] In a preferred embodiment of the utility model, the bottom end outer wall of the inner tube is slidably connected with the inner wall of the sleeve, and the outer wall of the inner tube is sleeved with a spring.

[0012] In a preferred embodiment of the utility model, the two ends of the spring are pressed in cooperation with the bottom of the top plate and the top of the sleeve.

[0013] The additional aspects and advantages of the utility model will be partly given in the following description, partly will become obvious from the following description, or be understood through the practice of the utility model.

[0014] 1. By setting the adjusting plate, according to the need of punching, the second punch rod is screw connected on the bottom of the adjusting plate, and the opening rate of the expanded body is adjusted;

[0015] 2. By rotating the screw rod, the screw rod pushes the adjusting plate and the opening movable die plate to be combined and docked, so that the opening rate can be conveniently and flexibly adjusted according to the need of use, and the practicality of equipment use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the utility model will become obvious and easily understood from the description of embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 It is a main view structural schematic diagram of a die that can adjust the opening rate of an expanded body;

[0018] Figure 2 It is a bottom view structural schematic diagram of a movable die stamping plate in a die that can adjust the opening rate of an expanded body;

[0019] Figure 3 It is a top view structural schematic diagram of a movable die stamping plate in a die that can adjust the opening rate of an expanded body;

[0020] Figure 4 It is a bottom view structural schematic diagram of an adjusting plate in a die that can adjust the opening rate of an expanded body;

[0021] Figure 5 It is a top view structural schematic diagram of an adjusting plate in a die that can adjust the opening rate of an expanded body;

[0022] Figure 6 It is a sectional view structural schematic diagram of the connecting place of a sleeve and an inner tube in a die that can adjust the opening rate of an expanded body;

[0023] Figure 7 It is a punch rod structural schematic diagram in a die that can adjust the opening rate of an expanded body.

[0024] In the figure: fixed mold 100, open hole movable mold plate 200, air cylinder 210, support rod 220, top plate 230, first punch rod 240, back-shaped counterbore 250, through hole 251, protrusion 260, adjusting plate 300, sleeve 310, inner tube 311, spring 312, second counterbore 320, screw hole 330, second punch rod 340, rotating drum 350, cover plate 351, screw rod 360, rotating disc 361, hand wheel 362. DETAILED DESCRIPTION

[0025] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for explaining the present application, and cannot be understood as a limitation of the present application.

[0026] Embodiment 1: as Figures 1-4 and Figure 7 , including fixed mold 100, the top four corners of fixed mold 100 are connected to open hole movable mold plate 200 through air cylinder 210, the bottom outer wall of open hole movable mold plate 200 is fixedly installed with first punch rod 240, the top outer wall of open hole movable mold plate 200 is provided with back-shaped counterbore 250, the inner wall of back-shaped counterbore 250 is uniformly provided with through hole 251, the top four corners of open hole movable mold plate 200 are connected to top plate 230 through support rod 220, the inner wall of top plate 230 is connected to adjusting plate 300 through screw rod 360, the bottom of adjusting plate 300 is detachably connected to second punch rod 340 through screw hole 330, second punch rod 340 is insertedly connected with the inner wall of through hole 251 in cooperation, and the bottom end of second punch rod 340 is flush with the bottom end of first punch rod 240 in height.

[0027] The specific use scene of this embodiment is that: by setting adjusting plate 300, according to the needs of punching, second punch rod 340 is threadedly connected to the bottom of adjusting plate 300, the opening rate of the expanded body punching is adjusted, then screw rod 360 is rotated, screw rod 360 pushes adjusting plate 300 to be combined with open hole movable mold plate 200, so that the opening rate is flexibly adjusted according to the needs of use, and the practicality of equipment use is improved.

[0028] Embodiment 2: as Figure 4 , the top of open hole movable mold plate 200 is provided with protrusion 260, protrusion 260 is located above the region of first punch rod 240, second counterbore 320 is formed in the inner wall of the bottom of adjusting plate 300, and second counterbore 320 is engaged with protrusion 260 up and down.

[0029] The specific use scene of this embodiment is that the second counterbore 320 is engaged with the protrusion 260 up and down, so that when the adjusting plate 300 is connected with the opening movable mold plate 200, the structural stability of the adjusting plate 300 and the opening movable mold plate 200 can be improved.

[0030] Embodiment 3: as Figure 5 The top of the opening movable mold plate 200 is welded with a rotating drum 350, the outer wall of a screw rod 360 is screwed with the inner wall of the top plate 230, the bottom end of the screw rod 360 is welded with a rotating disc 361, the outer wall of the rotating disc 361 is rotationally connected with the inner wall of the rotating drum 350, the top of the rotating drum 350 is fixedly connected with a cover plate 351 through bolts, and the top outer wall of the screw rod 360 is welded with a hand wheel 362.

[0031] The specific use scene of this embodiment is that the hand wheel 362 is rotated to drive the screw rod 360 to rotate, so as to push the adjusting plate 300 to adjust the height, in the adjusting process, the inner tube 311 is adjusted in height by sliding on the inner wall of the sleeve tube 310, the sleeve tube 31 and the inner tube 311 are stably moved up and down by the spring 312, and the adjusting plate 300 is limited in the adjusting process, so that the second punch rod 340 is inserted into the through hole 251, and the bottom end of the second punch rod 340 is consistent with the bottom end of the first punch rod 240.

[0032] Embodiment 4: as Figure 4 and Figure 5 The top of the opening movable mold plate 200 is connected with the bottom outer wall of the top plate 230 through telescopic rods, the telescopic rods include a sleeve tube 310 and an inner tube 311, the sleeve tube 310 is fixedly connected at the top of the opening movable mold plate 200, the inner tube 311 is fixedly connected on the outer wall of the sleeve tube 310, the bottom end outer wall of the inner tube 311 is slidingly connected with the inner wall of the sleeve tube 310, the outer wall of the inner tube 311 is sleeved with a spring 312, and the two ends of the spring 312 are pressed in cooperation with the bottom of the top plate 230 and the top of the sleeve tube 310.

[0033] The specific use scene of this embodiment is that the inner tube 311 is adjusted in height by sliding on the inner wall of the sleeve tube 310, the sleeve tube 31 and the inner tube 311 are stably moved up and down by the spring 312, and the adjusting plate 300 is limited in the adjusting process, so that the stability of the adjusting plate 300 in the adjusting process is improved.

[0034] The working principle of the utility model is: the technical personnel in the field uses, the bulge that is about to be drilled is placed in the top of fixed mould 100, and the bulge is fixed (the fixed structure is prior art, not shown in the drawing), when the opening rate needs to be adjusted, the second punch rod 340 is screwed at the corresponding screw hole 330 at the bottom of the adjusting plate 300, the second punch rod 340 is combined with the first punch rod 240 at the bottom of the opening movable mould plate 200, so that the opening rate of the mould is adjusted, the hand wheel 362 is rotated, the screw rod 360 is rotated, the adjusting plate 300 is pushed to adjust the height, in the process of adjusting, the inner tube 311 is adjusted in the sliding height of the sleeve pipe 310 inner wall, the sleeve pipe 31 and the inner tube 311 are pushed by the spring 312 and move up and down stably, at the same time, the adjusting plate 300 plays a limiting role in the lifting adjustment, the second punch rod 340 is inserted into the through hole 251, the bottom end of the second punch rod 340 is consistent with the bottom end of the first punch rod 240, then the opening cylinder 210 is opened to drive the opening movable mould plate 200 and the adjusting plate 300 to punch the surface of the bulge synchronously.

[0035] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, the scope of the utility model is defined by the claims and its equivalents.

Claims

1. An adjustable bulkiness and porosity mold, comprising a fixed mold (100), wherein a hole dynamic mold plate (200) is connected to the top four corners of the fixed mold (100) through a pneumatic cylinder (210), and a first punch rod (240) is fixedly installed on the bottom outer wall of the hole dynamic mold plate (200), characterized in that, The top outer wall of the opening movable mold plate (200) is provided with a character-shaped counterbore (250), the inner wall of the character-shaped counterbore (250) is uniformly provided with a through hole (251), the top four corners of the opening movable mold plate (200) are connected with a top plate (230) through a support rod (220), the inner wall of the top plate (230) is connected with an adjusting plate (300) through a screw rod (360), the bottom of the adjusting plate (300) is detachably connected with a second punch rod (340) through a screw hole (330), the second punch rod (340) is connected with the inner wall of the through hole (251) in plug connection, and the bottom end of the second punch rod (340) is flush with the bottom end of the first punch rod (240) in height.

2. The adjustable bulked outgauge of claim 1 wherein, The top of the opening movable mold plate (200) is provided with a protrusion (260), the protrusion (260) is located above the area of the first punch rod (240), the bottom inner wall of the adjusting plate (300) is provided with a second counterbore (320), and the second counterbore (320) is engaged with the protrusion (260) up and down.

3. The adjustable bulked outgauge of claim 1 wherein, The top of the opening movable mold plate (200) is welded with a rotating drum (350), the outer wall of the screw rod (360) is threadedly connected with the inner wall of the top plate (230), and the bottom end of the screw rod (360) is welded with a rotating disc (361), and the outer wall of the rotating disc (361) is rotationally connected with the inner wall of the rotating drum (350).

4. The adjustable bulked outgauge of claim 3 wherein, The top of the rotating drum (350) is fixedly connected with a cover plate (351) through a bolt, and the top outer wall of the screw rod (360) is welded with a hand wheel (362).

5. The adjustable bulked microdenier die of claim 1 wherein, The top four corners of the opening movable mold plate (200) are connected with the bottom outer wall of the top plate (230) through telescopic rods, and the telescopic rods comprise a sleeve pipe (310) and an inner pipe (311).

6. A mold for adjustable bulked porosity according to claim 5, wherein The sleeve pipe (310) is fixedly connected at the top of the opening movable mold plate (200), and the inner pipe (311) is fixedly connected on the outer wall of the sleeve pipe (310).

7. A mold for adjustable bulked porosity according to claim 6, wherein The bottom end outer wall of the inner pipe (311) is slidably connected with the inner wall of the sleeve pipe (310), and the outer wall of the inner pipe (311) is sleeved with a spring (312).

8. The adjustable bulked microdenier die of claim 7, wherein, The two ends of the spring (312) are extruded with the bottom of the top plate (230) and the top of the sleeve pipe (310).