Extrusion die for PVC (Polyvinyl Chloride) thin-wall soft sleeve
By designing a switching and disassembly mechanism for PVC thin-walled flexible sleeve extrusion dies, the problem of time-consuming and labor-intensive die replacement was solved, enabling rapid die model replacement and disassembly, and improving production efficiency.
Patent Information
- Application Number
- CN202423278695.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In the current production of PVC thin-walled flexible tubing, the mold replacement process requires a large amount of manual operation, resulting in high labor costs and a lot of time spent.
A PVC thin-walled flexible sleeve extrusion mold was designed, which includes a worktable, a discharge pipe, a discharge port, a switching mechanism, and a disassembly mechanism. Through the cooperation of structures such as positioning pins, connecting rings, limiting components, and connecting columns, the mold model can be quickly changed and disassembled.
It simplifies the mold changing process, improves work efficiency, reduces labor costs, is easy to operate, and enhances production efficiency.
Smart Images
Figure CN223604972U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to PVC thin wall soft sleeve extrusion technical field especially relates to a PVC thin wall soft sleeve extrusion mould. BACKGROUND
[0002] PVC thin wall soft sleeve is a kind of pipe material made of polyvinyl chloride (PVC) as main raw material, it is soft in texture, easy to bend and deform, and not easily broken. This pipe material usually has good chemical corrosion resistance, electrical insulation, and relatively low cost, is widely used in many fields.
[0003] In the production of PVC thin wall soft sleeve, PVC resin raw materials are mixed and then placed in the corresponding extruder, and the extrusion die is installed. In the extruder, the screw rotates to push the raw materials forward. As the raw materials advance along the extruder barrel under the action of the screw, the raw materials gradually plasticize at different temperature stages, and are discharged through the extrusion die to form.
[0004] In the prior art, mold replacement can involve a large number of disassembly and reassembly steps. When switching the extrusion die, the corresponding bolts need to be screwed, then removed, and the appropriate extrusion die is selected. The screw holes on the extrusion die are aligned with the slot holes on the extruder, and then the bolts are screwed. The screwing of the bolts requires manual repeated rotation. When there are many bolts, the labor cost is high and the time is long. Therefore, a PVC thin wall soft sleeve extrusion die is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0005] To make up for the above shortcomings, the utility model provides a PVC thin wall soft sleeve extrusion die, aiming at improving the problem of replacing the extrusion die by bolts in the prior art.
[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a PVC thin wall soft sleeve extrusion die, comprising a workbench, the top end of the workbench is fixedly connected with a discharge pipe, the outer wall of the discharge pipe is fixedly connected with a supporting plate, the left side of the supporting plate is fixedly connected with a discharge port, and the left side of the supporting plate is provided with a switching mechanism.
[0007] The switching mechanism comprises a positioning plate, the inner wall of the positioning plate is slidably connected with a movable plate, the outer wall left side of the movable plate is rotatably connected with a connecting plate, the left side of the connecting plate is rotatably connected with a connecting ring, the inner side wall of the connecting ring is rotatably connected with an extrusion die, the outer wall of the discharge port is fixedly connected with a fixed block, the side of the connecting plate close to the movable plate is fixedly connected with a connecting column, the left side of the positioning plate is provided with a limiting component, and the outer wall of the positioning plate is provided with a dismounting mechanism.
[0008] As a further description of the above technical solutions:
[0009] The limiting assembly comprises a limiting plate, a right end of the limiting plate is fixedly connected to an inner wall of the positioning plate, an inner wall of the limiting plate is elastically connected to the positioning pin through a connecting spring, and a bottom end of the positioning pin is inserted into a top end inner wall of the connecting ring.
[0010] As a further description of the above technical solutions:
[0011] One end of the connecting spring is fixedly connected to an outer curved surface of the positioning pin, the other end of the connecting spring is fixedly connected to the inner wall of the limiting plate, and the outer wall of the positioning pin penetrates and is slidingly connected to the inner wall of the limiting plate.
[0012] As a further description of the above technical solutions:
[0013] The inner wall of the extrusion tool is screw-connected to the outer wall of the discharge port, and the outer curved surface of the connecting column is inserted into the inner wall of the fixed block.
[0014] As a further description of the above technical solutions:
[0015] The extrusion tool is provided with multiple groups, and the left side openings of the multiple groups of extrusion tools are different in size.
[0016] As a further description of the above technical solutions:
[0017] The dismounting mechanism comprises a containing block, a screw is screw-connected to the inner wall of the containing block, a positioning block is fixedly connected to the supporting plate, a screw hole is formed in the left outer wall of the supporting plate, and the right end of the screw is screw-connected to the inner wall of the screw hole.
[0018] As a further description of the above technical solutions:
[0019] The side, facing the extrusion tool, of the containing block is fixedly connected to the outer wall of the positioning plate.
[0020] As a further description of the above technical solutions:
[0021] The outer wall of the containing block is in contact with the outer wall of the positioning block.
[0022] The utility model has the advantages of the following beneficial effects:
[0023] 1、The workbench, the discharge pipe, the discharge port and the switching mechanism are matched with each other, when the extrusion mold needs to be replaced, the positioning pin is removed upwards, then the extrusion tool is rotated downwards, and the discharge port is aligned, and the mold switching is completed by screwing, so that the overall work efficiency is improved.
[0024] 2、 The utility model discloses, through the mutual cooperation of the dismantling mechanism and other structures of setting, when needing to dismantle and clean or maintain the positioning plate, the screw bolt is twisted to remove the limiting at this moment, then the positioning plate is extracted outward and can be taken down, and the operation is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 A whole three-dimensional schematic view of a PVC thin-wall soft sleeve pipe extrusion die is provided for the utility model;
[0026] Figure 2 A support plate and its positioning plate split schematic view of a PVC thin-wall soft sleeve pipe extrusion die are provided for the utility model;
[0027] Figure 3 A whole three-dimensional schematic view of the extrusion die of a PVC thin-wall soft sleeve pipe extrusion die is provided for the utility model;
[0028] Figure 4 An enlarged structure schematic view of the A of a PVC thin-wall soft sleeve pipe extrusion die is provided for the utility model.
[0029] LEGEND:
[0030] 1, workbench;2, discharge pipe;3, support plate;4, switching mechanism;401, positioning plate;402, limiting plate;403, connecting ring;404, extrusion die;405, fixed block;406, movable plate;407, connecting column;408, connecting plate;409, positioning pin;410, connecting spring;5, dismantling mechanism;501, containing block;502, bolt;503, screw hole;504, positioning block;6, discharge port. DETAILED DESCRIPTION
[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0032] REFERENCE Figures 1-2The utility model provides an embodiment: a PVC thin wall soft sleeve pipe extrusion mould, including workbench 1, the top fixedly connected with discharge pipe 2 of workbench 1, the top of discharge pipe 2 is provided with feeding port, so as to feed, the top of workbench 1 sets up corresponding touch screen and its electric control element, so as to carry out extrusion work, this is prior art and does not make too much explanation, the outer wall fixedly connected with support plate 3 of discharge pipe 2, the left side fixedly connected with discharge port 6 of support plate 3, discharge pipe 2 is linked with discharge port 6, so as to carry out discharge work, the left side of support plate 3 is provided with switching mechanism 4, through switching mechanism 4, different model extrusion mould can be replaced quickly.
[0033] With reference to Figures 2-4 Switching mechanism 4 includes locating plate 401, the inner wall slidingly connected with movable plate 406 of locating plate 401, the inner wall of locating plate 401 is opened slide groove, and the slide groove can guide the movement of movable plate 406, the outer wall left side of movable plate 406 is rotatably connected with connecting plate 408, a group of movable plate 406 corresponds two groups of connecting plate 408, and the setting of two groups of connecting plate 408 can stabilize the support effect of movable plate 406, the left side of connecting plate 408 is rotatably connected with connecting ring 403, the inner side wall of connecting ring 403 is rotatably connected with extrusion 404, extrusion 404 is PVC thin wall soft sleeve pipe extrusion mould, and the right end annular place is opened thread, the outer wall fixedly connected with fixed block 405 of discharge port 6, the side of connecting plate 408 close to movable plate 406 is fixedly connected with link column 407, fixed block 405 is provided with two groups, a group of extrusion 404 corresponds two groups of link column 407, the left side of locating plate 401 is provided with limiting component, and the setting of limiting component can the fixed location effect of connecting ring 403, the outer wall of locating plate 401 is provided with dismounting mechanism 5, and the setting of dismounting mechanism 5 further carries out the dismounting cleaning of switching mechanism 4.
[0034] With reference to Figures 1-3The limiting assembly comprises a limiting plate 402, the right end of the limiting plate 402 is fixedly connected to the inner wall of the positioning plate 401, the limiting plate 402 is arranged in an L shape, and plays a supporting role through the positioning plate 401 and the limiting plate 402, meanwhile, the number of the limiting plate 402 is consistent with that of the extruding device 404, the inner wall of the limiting plate 402 is elastically connected to the positioning pin 409 through a connecting spring 410, the bottom end of the positioning pin 409 is inserted into the top end inner wall of the connecting ring 403, the top end of the connecting ring 403 is provided with an insertion slot, the positioning pin 409 and the insertion slot are matched, so that the connecting ring 403 can be fixed, one end of the connecting spring 410 is fixedly connected to the outer curved surface of the positioning pin 409, the other end of the connecting spring 410 is fixedly connected to the inner wall of the limiting plate 402, the outer wall of the positioning pin 409 penetrates and is slidably connected to the inner wall of the limiting plate 402, the positioning pin 409 has the functions of limiting and resetting through the elasticity of the connecting spring 410, the inner wall of the extruding device 404 is threadedly connected to the outer wall of the discharge port 6, the two are threadedly connected, so that the extruding device 404 can be installed and fixed, the outer curved surface of the connecting column 407 is inserted into the inner wall of the fixed block 405, the inner wall of the fixed block 405 is provided with a through hole matched with the connecting column 407, and the two are inserted to achieve the positioning purpose, the extruding device 404 is provided with a plurality of groups, the left sides of the plurality of groups of extruding devices 404 are different in opening size, and the opening sizes are different, so that the types of the extruded PVC thin-walled soft sleeve pipes are different.
[0035] With reference to Figures 2-3 The dismounting mechanism 5 comprises a containing block 501, the inner wall of the containing block 501 is threadedly connected with a bolt 502, the support plate 3 is fixedly connected with a positioning block 504, one group of the containing block 501 corresponds to two groups of the positioning block 504, the left outer wall of the support plate 3 is provided with a threaded hole 503, the right end of the bolt 502 is threadedly connected to the inner wall of the threaded hole 503, the two are threadedly connected, so that the positioning plate 401 can be limited and fixed, the side of the containing block 501 facing the extruding device 404 is fixedly connected to the outer wall of the positioning plate 401, through the arrangement of the positioning plate 401, the containing block 501 can be supported, the outer wall of the containing block 501 is in contact with the outer wall of the positioning block 504, the containing block 501 corresponds to the two groups of the positioning block 504, so as to achieve the purpose of preliminary positioning.
[0036] Working principle: before the production of PVC thin-walled soft sleeve, first need to select the appropriate extrusion 404 according to the required sleeve model, install the corresponding extrusion 404, first move the corresponding positioning pin 409 upward, so as to release the limiting of the positioning pin 409 to the connecting ring 403, then pull the selected extrusion 404 to the left side, and then rotate the connecting plate 408 downward, so that the right end of the connecting column 407 is aligned with the through hole in the inner wall of the fixed block 405, the connecting column 407 is inserted into the through hole, the preliminary positioning is realized, at the same time, the inner wall of the extrusion 404 is connected with the outer wall of the discharge port 6 through the thread, the operator manually rotates the extrusion 404, so that it gradually rotates along the thread, until it is tightened and fixed, to ensure that the extrusion 404 is tightly connected with the discharge port 6, and to ensure that the material will not leak during the extrusion process, when other types of extrusion 404 are needed, repeat the above operation.
[0037] When it is necessary to clean the multiple extrusion 404, the operator twists the bolt 502, so that the right end is rotated out of the screw hole 503 in the left outer wall of the support plate 3, and the limiting and fixing of the positioning plate 401 is released, because the containing block 501 and the positioning block 504 only play a preliminary positioning role, so when the bolt 502 is loosened, the positioning plate 401 can move freely, and the whole switching mechanism 4 can be removed for maintenance or cleaning operation.
[0038] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A PVC thin-walled flexible sleeve extrusion die comprising a work table (1), characterized in that: The top end of the workbench (1) is fixedly connected with a discharge pipe (2), the outer wall of the discharge pipe (2) is fixedly connected with a supporting plate (3), the left side of the supporting plate (3) is fixedly connected with a discharge port (6), and the left side of the supporting plate (3) is provided with a switching mechanism (4). The switching mechanism (4) comprises a positioning plate (401), the inner wall of the positioning plate (401) is slidably connected with a movable plate (406), the outer wall left side of the movable plate (406) is rotatably connected with a connecting plate (408), the left side of the connecting plate (408) is rotatably connected with a connecting ring (403), the inner side wall of the connecting ring (403) is rotatably connected with an extrusion device (404), the outer wall of the discharge port (6) is fixedly connected with a fixed block (405), the side of the connecting plate (408) close to the movable plate (406) is fixedly connected with a connecting column (407), the left side of the positioning plate (401) is provided with a limiting assembly, and the outer wall of the positioning plate (401) is provided with a dismounting mechanism (5).
2. A PVC thin-walled flexible sleeve extrusion die according to claim 1, characterized in that: The limiting assembly comprises a limiting plate (402), the right end of the limiting plate (402) is fixedly connected to the inner wall of the positioning plate (401), the inner wall of the limiting plate (402) is elastically connected to the positioning pin (409) through a connecting spring (410), and the bottom end of the positioning pin (409) is inserted into the top end inner wall of the connecting ring (403).
3. A PVC thin-walled flexible sleeve extrusion die according to claim 2, characterized in that: One end of the connecting spring (410) is fixedly connected to the outer arc surface of the positioning pin (409), the other end of the connecting spring (410) is fixedly connected to the inner wall of the limiting plate (402), and the outer wall of the positioning pin (409) penetrates and slidably connects the inner wall of the limiting plate (402).
4. The PVC thin-walled flexible sleeve extrusion die of claim 1, wherein: The inner wall of the extrusion device (404) is threadedly connected to the outer wall of the discharge port (6), and the outer arc surface of the connecting column (407) is inserted into the inner wall of the fixed block (405).
5. A PVC thin-walled flexible sleeve extrusion die according to claim 1, characterized in that: The extrusion device (404) is provided with a plurality of groups, and the left side openings of the plurality of groups of the extrusion device (404) are different in size.
6. A PVC thin-walled flexible sleeve extrusion die according to claim 1, characterized in that: The dismounting mechanism (5) comprises a containing block (501), the inner wall of the containing block (501) is threadedly connected with a bolt (502), the supporting plate (3) is fixedly connected with a positioning block (504), the left side outer wall of the supporting plate (3) is provided with a threaded hole (503), and the right end of the bolt (502) is threadedly connected to the inner wall of the threaded hole (503).
7. A PVC thin-walled flexible sleeve extrusion die according to claim 6, characterized in that: The side of the containing block (501) facing the extrusion device (404) is fixedly connected to the outer wall of the positioning plate (401).
8. A PVC thin-walled flexible sleeve extrusion die according to claim 6, characterized in that: The outer wall of the containing block (501) is in contact with the outer wall of the positioning block (504).