Forming mold for pipeline model based on 3D printing
By using 3D-printed pipe models and molding dies, the pipes are extruded and molded using the reciprocating motion of rollers and push rods, and demolding is achieved by the movement of lead screws and sliders. This solves the problems of shrinkage and demolding in the pipe forming process, and improves the quality and reliability of the pipeline system.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-04-10
AI Technical Summary
In existing technologies, problems such as shrinkage cavities, porosity, and difficulty in demolding are easily generated during the pipe forming process, resulting in substandard dimensions and reduced strength, which affects the safety and reliability of the pipeline system.
The pipe model is formed using a 3D printed mold. The pipe is effectively extruded and formed by the reciprocating motion of the roller, push rod and extrusion plate. The pipe is then demolded smoothly by the movement of the slider and shell driven by the lead screw.
This technology enables efficient extrusion molding and smooth demolding of pipes, ensuring dimensional accuracy and strength, and improving the installation compatibility and service life of the piping system.
Smart Images
Figure CN224103352U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline mould technical field, concretely is a kind of forming mould based on 3D printing for pipeline model. BACKGROUND
[0002] Forming mould based on 3D printing for pipeline model is the key tool for manufacturing various pipeline models, and its design and structure directly affect the quality and production efficiency of pipeline model, is widely used in various types of pipeline model forming mould, it has high strength, high hardness, good wear resistance and thermal stability and other characteristics, can withstand high pressure, high temperature and friction in the forming process.
[0003] But prior art still has the following problems:
[0004] First, in the extrusion process, if the forming effect is poor, shrinkage hole, loose, bubble and other defects can be generated in the pipeline, the inner diameter, outer diameter, wall thickness and other dimensions of the pipeline can not meet the design requirements, not convenient effectively extruding the pipeline, leading to the mismatch of pipeline and other connecting components, affect the subsequent pipeline system installation and use, affect the safety and reliability of entire pipeline system.
[0005] Second, in the case of difficult demolding, additional external force can be applied to the pipeline, leading to the change of the size of the pipeline, causing the product quality to be substandard, not convenient for demolding the formed pipeline, so that its strength and sealing property are damaged, reduce the service life and performance of the pipeline.
[0006] In view of the above problems, the inventor proposes a forming mould based on 3D printing for pipeline model to solve the above problems. CONTENT OF UTILITY MODEL
[0007] In order to solve the problem of not convenient effectively extruding the pipeline and not convenient demolding the formed pipeline, the purpose of the utility model is to provide a forming mould based on 3D printing for pipeline model.
[0008] To solve the above technical problems, the utility model discloses the following technical scheme: a kind of forming mould for pipeline model based on 3D printing, including bottom plate, the top surface one side of bottom plate is fixedly connected with stripping device, the top surface other side of bottom plate is fixedly connected with extrusion device, the extrusion device includes two supports, rotatingly connected with cylinder between the lower end of support, one side of the support is fixedly connected with first motor, the output of first motor extends to support and is fixedly connected with cylinder, the outer surface of cylinder is equipped with annular groove, the inner wall of annular groove is equipped with connecting rod, the top end of connecting rod is fixedly connected with push rod, the other end of push rod is fixedly connected with extrusion plate, when cylinder rotates, the shape of annular groove will make connecting rod periodic left and right reciprocating motion, to drive push rod left and right reciprocating movement, the other end of push rod is fixedly connected with extrusion plate, under the left and right reciprocating motion of push rod, extrusion plate left and right reciprocating motion, one side of the extrusion plate is fixedly connected with baffle, one side of storage tank is equipped with through groove, the outer surface of baffle is fitted with the inner wall of through groove, the top surface of bottom plate is fixedly connected with storage tank, the upper end of storage tank is connected with hopper, one side of storage tank is equipped with sealing groove.
[0009] Preferably, the stripping device includes a base, the bottom surface of the base is fixedly connected with the bottom plate, a plurality of equally spaced sliding grooves are formed on the top surface of the base, a screw rod is rotatably connected between the inner walls of the sliding grooves in the middle, a second motor is fixedly connected to one side of the base, the output of the second motor extends into the base and is fixedly connected with the screw rod, sliding blocks are slidably connected to the inner walls of the sliding grooves, the sliding blocks in the middle are threadedly connected with the screw rod, guide rods are fixedly connected between the inner walls of the sliding grooves on both sides, the sliding blocks on both sides are movably connected with the guide rods, a sliding plate is fixedly connected to the top surface of each sliding block, when the screw rod rotates, the sliding blocks will slide in the sliding grooves, when the sliding blocks slide, the shell will move together, after the molding process is completed, the pipe will slide in the inner wall of the hollow groove through the movement of the shell, so that the pipe can be smoothly stripped from the mold, a plurality of support rods are fixedly connected to the top surface of the sliding plate in a rectangular array, a shell is fixedly connected to the top end of each support rod, a plurality of hollow grooves are formed in the inner wall of the shell in an annular array.
[0010] Compared with the prior art, the utility model has the beneficial effects that:
[0011] 1、The utility model can make connecting rod periodic left and right reciprocating motion through the shape of annular groove when cylinder rotates, to drive push rod left and right reciprocating movement, the other end of push rod is fixedly connected with extrusion plate, under the left and right reciprocating motion of push rod, extrusion plate left and right reciprocating motion, material is extruded from storage tank and enters the forming part of mold, so that the pipe can be effectively extruded and formed.
[0012] 2、The utility model discloses a shell body, hollow groove, sealing ring, support, roller, first motor, ring groove, connecting rod, push rod, limiting plate, extrusion plate, storage tank, baffle, through groove, hopper, sealing groove are provided, and the sliding block is slid in the sliding slot when the screw rod rotates. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the embodiment or prior art description needed to use the drawing briefly introduced, obviously, below description in the drawing only some embodiments of the utility model, for ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.
[0014] Fig. 1 It is the structural schematic diagram of the utility model.
[0015] Fig. 2 It is the demoulding device schematic diagram of the utility model.
[0016] Fig. 3 It is the extrusion device schematic diagram of the utility model.
[0017] In the drawing: 1, bottom plate;2, demoulding device;3, extrusion device;201, base;202, sliding slot;203, screw rod;204, second motor;205, guide rod;206, sliding block;207, sliding plate;208, support rod;209, shell body;210, hollow groove;211, sealing ring;301, support;302, roller;303, first motor;304, ring groove;305, connecting rod;306, push rod;307, limiting plate;308, extrusion plate;309, storage tank;310, baffle;311, through groove;312, hopper;313, sealing groove. DETAILED DESCRIPTION
[0018] Below will be to the technical scheme in the embodiment of the utility model or prior art, clear, complete, it is obvious that the described embodiment only is a part of the embodiment of the utility model, instead of all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by ordinary skilled person in the art without making creative labor belong to the scope of the utility model protection.
[0019] Embodiment: as Figs. 1-3The utility model provides a kind of forming mould for pipeline model based on 3D printing, including bottom plate 1, the top surface one side of bottom plate 1 is fixedly connected with stripping device 2, the top surface other side of bottom plate 1 is fixedly connected with extrusion device 3, extrusion device 3 includes two supports 301, the lower end between support 301 is rotatably connected with cylinder 302, one side of one support 301 is fixedly connected with first motor 303, the output of first motor 303 extends to support 301 and is fixedly connected with cylinder 302, the outer surface of cylinder 302 is equipped with annular groove 304, the inner wall of annular groove 304 is equipped with connecting rod 305, the lower end of connecting rod 305 is consistent with the inner wall of annular groove 304, the top end of connecting rod 305 is fixedly connected with push rod 306, starts first motor 303, drives and rotates the cylinder 302 connected with it.
[0020] When cylinder 302 rotates, the shape of annular groove 304 will make connecting rod 305 produce periodic left and right reciprocating motion, to drive push rod 306 left and right reciprocating movement, one end of push rod 306 is fixedly connected with limit plate 307, the other end of push rod 306 is fixedly connected with extrusion plate 308, the top surface of bottom plate 1 is fixedly connected with storage tank 309, one side of extrusion plate 308 is fixedly connected with baffle 310, one side of storage tank 309 is equipped with through slot 311, the outer surface of baffle 310 is consistent with the inner wall of through slot 311, under the left and right reciprocating motion of push rod 306, extrusion plate 308 left and right reciprocating motion, the upper end of storage tank 309 is connected and is equipped with hopper 312, in the left and right reciprocating motion of extrusion plate 308, material in storage tank 309 can be extruded, the upper end of storage tank 309 is connected and is equipped with hopper 312, one side of storage tank 309 is equipped with sealing groove 313, material is extruded from storage tank 309 and enters the forming part of mould, can effectively extrude pipe forming.
[0021] Stripping device 2 includes base 201, the bottom surface of base 201 is fixedly connected with bottom plate 1, the top surface of base 201 is equipped with multiple equidistantly distributed sliding grooves 202, the inner wall between the both sides of middle sliding groove 202 is rotatably connected with lead screw 203, one side of base 201 is fixedly connected with second motor 204, the output of second motor 204 extends to base 201 and is fixedly connected with lead screw 203, the inner wall of sliding groove 202 is slidably connected with sliding block 206, the outer surface of sliding block 206 is consistent with the inner wall of sliding groove 202, when need to strip the pipe after forming, start second motor 204, the output end drives lead screw 203 to rotate, the middle sliding block 206 is threadedly sleeved with lead screw 203, when lead screw 203 rotates, sliding block 206 will slide in sliding groove 202, the middle sliding block 206 is threadedly sleeved with lead screw 203, the both sides of the both sides of sliding groove 202 are fixedly connected with guide rod 205.
[0022] The slider 206 on both sides is movably sleeved with the guide rod 205, the top surface of the slider 206 is fixedly connected with the sliding plate 207, the top surface of the sliding plate 207 is fixedly connected with a plurality of support rods 208 arranged in a rectangular array, the top end of the support rod 208 is fixedly connected with the shell 209, when the slider 206 slides, the shell 209 is driven to move, after the forming process is completed, the pipe slides in the inner wall of the hollow groove 210 through the movement of the shell 209, a plurality of hollow grooves 210 arranged in a ring array are formed in the inner wall of one side of the shell 209, the shell 209 is fixedly connected with the sealing ring 211 used in cooperation with the sealing groove 313, so that the pipe can be smoothly taken out of the mold, and the demolding of the formed pipe can be effectively realized.
[0023] Working principle: the materials required for forming the pipe are added into the storage tank 309 through the hopper 312, the first motor 303 is started, the roller 302 connected with the first motor 303 is driven to rotate, when the roller 302 rotates, the shape of the ring groove 304 makes the connecting rod 305 produce periodic reciprocating motion, so as to drive the push rod 306 to reciprocate left and right, the other end of the push rod 306 is fixedly connected with the extrusion plate 308, under the reciprocating motion of the push rod 306, the extrusion plate 308 reciprocates left and right, the upper end of the storage tank 309 is communicated with the hopper 312, the materials in the storage tank 309 can be extruded during the reciprocating motion of the extrusion plate 308, the materials are extruded out of the storage tank 309 and enter the forming part of the mold, so that the pipe can be effectively extruded and formed.
[0024] When the formed pipe needs to be demolded, the second motor 204 is started, the output end of the second motor 204 drives the screw rod 203 to rotate, the middle slider 206 is threadedly sleeved with the screw rod 203, when the screw rod 203 rotates, the slider 206 slides in the sliding groove 202, when the slider 206 slides, the shell 209 is driven to move, after the forming process is completed, the pipe slides in the inner wall of the hollow groove 210 through the movement of the shell 209, so that the pipe can be smoothly taken out of the mold, so that the formed pipe can be effectively demolded.
[0025] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technology, the present application also intends to include these modifications and variations.
Claims
1. A molding die for a pipe model based on 3D printing, comprising a base plate (1), characterized in that: A demolding device (2) is fixedly connected to one side of the top surface of the base plate (1), and an extrusion device (3) is fixedly connected to the other side of the top surface of the base plate (1). The extrusion device (3) includes two supports (301), and a roller (302) is rotatably connected between the lower ends of the supports (301). A first motor (303) is fixedly connected to one side of one of the supports (301). The output end of the first motor (303) extends into the support (301) and is fixedly connected to the roller (302). An annular groove (304) is provided on the outer surface of the roller (302). A connecting rod (305) is provided on the inner wall of the annular groove (304). A push rod (306) is fixedly connected to the top end of the connecting rod (305). An extrusion plate (308) is fixedly connected to the other end of the push rod (306). A storage tank (309) is fixedly connected to the top surface of the bottom plate (1). A funnel (312) is connected to the upper end of the storage tank (309). A sealing groove (313) is provided on one side of the storage tank (309).
2. The molding die for the 3D-printed pipe model as described in claim 1, characterized in that: The demolding device (2) includes a base (201), the bottom surface of which is fixedly connected to the base plate (1). The top surface of the base (201) is provided with a plurality of equally spaced grooves (202). A lead screw (203) is rotatably connected between the inner walls of the two sides of the middle groove (202). A second motor (204) is fixedly connected to one side of the base (201). The output end of the second motor (204) extends into the base (201) and is fixedly connected to the lead screw (203). The inner wall of the groove (202) is slidably connected to a slider (206), the middle slider (206) is threadedly connected to a lead screw (203), the top surface of the slider (206) is fixedly connected to a slide plate (207), the top surface of the slide plate (207) is fixedly connected to a plurality of support rods (208) arranged in a rectangular array, the top end of the support rods (208) is fixedly connected to a housing (209), and a plurality of hollow grooves (210) arranged in a ring array are opened on one side of the inner wall of the housing (209).
3. The molding die for the 3D-printed pipe model as described in claim 1, characterized in that: The lower end of the connecting rod (305) is in contact with the inner wall of the annular groove (304).
4. The molding die for the 3D-printed pipe model as described in claim 1, characterized in that: One end of the push rod (306) is fixedly connected to a limiting plate (307).
5. The molding die for a 3D-printed pipe model as described in claim 1, characterized in that: A baffle (310) is fixedly connected to one side of the extrusion plate (308), and a through groove (311) is provided on one side of the storage tank (309). The outer surface of the baffle (310) is in contact with the inner wall of the through groove (311).
6. The molding die for the 3D-printed pipe model as described in claim 2, characterized in that: Guide rods (205) are fixedly connected between the inner walls of the two sides of the slide groove (202), and the sliders (206) on both sides are movably connected to the guide rods (205).
7. The molding die for a 3D-printed pipe model as described in claim 2, characterized in that: The outer surface of the slider (206) is in contact with the inner wall of the groove (202).
8. The molding die for a 3D-printed pipe model as described in claim 2, characterized in that: A sealing ring (211) that matches the sealing groove (313) is fixedly connected to one side of the housing (209).