Extrusion forming device for non-metal mineral pipeline
By designing a non-metallic mineral pipe extrusion molding device, and utilizing the combined structure of the upper and lower dies and guide components, rapid molding of non-metallic mineral pipes was achieved, solving the problem of low production efficiency caused by the two-step process in the existing technology.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIANGTAN TENGDA MOULD CO LTD
- Filing Date
- 2025-06-13
- Publication Date
- 2026-05-15
AI Technical Summary
Existing non-metallic mineral pipe processing requires two steps: shaping the square tube and creating an arc-shaped groove inside the square tube, resulting in low production efficiency.
Design a non-metallic mineral pipe extrusion molding device, which adopts a combination structure of upper and lower molds, combined with the upward and converging parts of the guide to achieve one-step molding, forming the pipe body and groove.
The rapid prototyping of non-metallic mineral pipes is achieved through a one-step molding process, which improves production efficiency.
Smart Images

Figure CN224240367U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of molding die technology, specifically relating to a non-metallic mineral pipe extrusion molding device. Background Technology
[0002] Non-metallic mineral pipes generally refer to pipes made of non-metallic materials, which are widely used in industrial, construction and municipal fields. They have advantages such as corrosion resistance, insulation and lightweight. Fiberglass pipes are a type of non-metallic mineral pipe.
[0003] Fiberglass pipes are typically manufactured using extrusion molding. One type of grooved pipe on the market has an inwardly recessed arc-shaped groove at the top. Existing extrusion molding equipment for processing such grooved pipes usually requires two steps: extruding and shaping the square tube shape and then extruding and shaping the arc-shaped groove inside the square tube. This involves many steps, resulting in low production efficiency. Therefore, this application proposes an extrusion molding device for non-metallic mineral pipes. Utility Model Content
[0004] The purpose of this utility model is to provide a non-metallic mineral pipe extrusion molding device to solve the problem mentioned in the background art that the processing of grooved pipes requires two steps: extrusion molding of the square tube shape and extrusion molding of the arc groove inside the square tube. This process involves many steps and results in low production efficiency.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a non-metallic mineral pipe extrusion molding device, comprising an upper mold and a lower mold, wherein a first molding cavity is provided in the upper mold and a second molding cavity is provided in the lower mold, the first molding cavity and the second molding cavity can surround each other to form a molding chamber that cooperates with the pipe body, wherein the pipe body includes a pipe wall and a groove, the groove is provided at the center of the upper end face of the pipe wall, and a protrusion that cooperates with the groove is provided in the first molding cavity;
[0006] Fastening components are provided at the upper and lower molds;
[0007] The upper mold is provided with a guide member, which is aligned with the protrusion in the first molding cavity. The bottom of the guide member is provided with an upward part and a gathering part. The side of the upward part away from the upper mold is smoothly raised upward. There are two gathering parts, and the sidewall of the gathering part is aligned with the sidewall of the protrusion in the first molding cavity.
[0008] Preferably, the upper mold and the lower mold are connected by a fastening assembly.
[0009] Preferably, the fastening assembly includes a bolt, a nut, and an elastic washer. The upper mold has a plurality of first mounting holes, and the lower mold has a plurality of second mounting holes. The first mounting holes and the second mounting holes are aligned vertically. The bolt passes through the first mounting holes and the second mounting holes, and the nut is located on the upper side of the upper mold.
[0010] Preferably, an elastic washer fitted around the outside of the bolt is installed between the nut and the upper mold.
[0011] Preferably, the plurality of fastening components are evenly distributed on the left and right sides of the upper mold.
[0012] Preferably, the guide member is provided with a mounting plate on top, and the mounting plate is disposed on the upper mold.
[0013] Preferably, the upper side of the mounting plate is provided with a plurality of triangular plates for improving the resistance to deformation.
[0014] Preferably, the lower mold is provided with two short side plates and two long side plates, which surround the four sides of the upper mold.
[0015] Preferably, a support plate is provided on the lower side of the lower mold. The support plate is L-shaped and has several load-bearing ribs. An I-beam is provided at the bottom of the support plate, and the I-beam is connected to the support plate by screws.
[0016] Preferably, the upper mold and the lower mold are provided with cooling mechanisms for cooling down the upper mold and the lower mold.
[0017] Beneficial effects:
[0018] This utility model provides a non-metallic mineral pipe extrusion molding device. During pipe molding, the raw material enters the upper and lower molds from one side. The first and second molding cavities in the upper and lower molds can surround each other to form a molding chamber that matches the pipe body. The pipe body is formed under the extrusion of the upper and lower molds, completing the extrusion molding of the pipe body. Before the raw material for pipe processing enters the upper mold, the raw material is squeezed by the guide. The guide is provided with an upward part and a gathering part, so that the raw material is gradually squeezed during the process of entering the upper mold, and finally forms a groove in the pipe body, completing the extrusion molding of the pipe body. The overall molding of the pipe body can be completed in only one step, which can speed up the processing efficiency. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the structure of the non-metallic mineral pipeline extrusion molding device of this utility model;
[0020] Figure 2 This is a side view of the non-metallic mineral pipe extrusion molding device of this utility model;
[0021] Figure 3 This is one of the internal structural diagrams of the non-metallic mineral pipe extrusion molding device of this utility model;
[0022] Figure 4 This is the second schematic diagram of the internal structure of the non-metallic mineral pipeline extrusion molding device of this utility model.
[0023] Explanation of reference numerals in the attached figures:
[0024] 1. Pipe body; 101. Pipe wall; 102. Groove; 2. Upper mold; 3. Lower mold; 4. Guide component; 401. Lifting part; 402. Gathering part; 5. Mounting plate; 6. Fastening assembly; 7. Short side plate; 8. Long side plate; 9. Support plate; 10. I-beam; 11. Cooling mechanism. Detailed Implementation
[0025] The specific embodiments of this utility model are described in detail below, but it should be understood that the protection scope of this utility model is not limited to the specific embodiments.
[0026] like Figures 1-4 As shown in the figure, the present invention provides a non-metallic mineral pipe extrusion molding device, including an upper mold 2 and a lower mold 3. The upper mold 2 is provided with a first molding cavity, and the lower mold 3 is provided with a second molding cavity. The first molding cavity and the second molding cavity can surround each other to form a molding chamber that fits with the pipe body 1. (See reference...) Figure 4 The pipe body 1 includes a pipe wall 101 and a groove 102. The groove 102 is located at the center of the upper end face of the pipe wall 101. The pipe body 1 can be divided into an upper part and a lower part according to the pipe wall 101 and the groove 102. The first molding cavity is fitted with the upper part, and a protrusion that fits with the groove 102 is provided in the first molding cavity. The second molding cavity is fitted with the lower part.
[0027] Non-metallic mineral pipes generally refer to pipes made of non-metallic materials, which are widely used in industrial, construction and municipal fields. They have advantages such as corrosion resistance, insulation and lightweight. Fiberglass pipes are a type of non-metallic mineral pipe.
[0028] It should be noted that fastening components 6 are provided at the upper mold 2 and the lower mold 3. The upper mold 2 and the lower mold 3 are connected by fastening components 6 in combination. Specifically, the fastening components 6 include bolts, nuts, and elastic washers. The upper mold 2 is provided with several first mounting holes, and the lower mold 3 is provided with several second mounting holes. The first mounting holes and the second mounting holes are aligned vertically. The bolts pass through the first mounting holes and the second mounting holes. The nuts are located on the upper side of the upper mold 2, and an elastic washer fitted on the outside of the bolt is installed between the nut and the upper mold 2. Multiple fastening components 6 are evenly distributed on the left and right sides of the upper mold 2.
[0029] The fastening component 6 can also be a pin, which is inserted into the first mounting hole and the second mounting hole to achieve the fixing work between the upper mold 2 and the lower mold 3.
[0030] In order to allow the pipe body 1 to enter the upper mold 2 and the lower mold 3, a guide 4 is provided at the upper mold 2. The guide 4 is aligned with the protrusion in the first molding cavity. The bottom of the guide 4 is provided with an upward part 401 and a gathering part 402. The side of the upward part 401 away from the upper mold 2 is smoothly raised upward. There are two gathering parts 402, and the two gathering parts 402 are arc-shaped from top to bottom towards the center line of the guide 4, that is, the side wall of the gathering part 402 is aligned with the side wall of the protrusion in the first molding cavity.
[0031] During pipe forming, the raw material enters the upper mold 2 and lower mold 3 from one side. The first and second molding cavities in the upper mold 2 and lower mold 3 can surround each other to form a molding chamber that matches the pipe body 1. The pipe body 1 is formed under the extrusion of the upper mold 2 and lower mold 3, completing the extrusion forming of the pipe body 1. Before the raw material for pipe processing enters the upper mold 2, the raw material is squeezed by the guide 4. The guide 4 is provided with an upward part 401 and a gathering part 402, which makes the pipe gradually squeezed during the process of entering the upper mold 2, and finally forming the groove 102 in the pipe body 1, completing the extrusion forming of the pipe body 1. The forming of the entire pipe body 1 can be completed in just one step, which can speed up the processing efficiency.
[0032] Specifically, the top of the guide component 4 is provided with a mounting plate 5, which is set on the upper mold 2. Several triangular plates are provided on the upper side of the mounting plate 5 to improve the resistance to deformation.
[0033] To make it easier to align the upper mold 2 and the lower mold 3 when they are connected, two short side plates 7 and two long side plates 8 are provided at the lower mold 3, with the two short side plates 7 and the two long side plates 8 surrounding the four sides of the upper mold 2.
[0034] In order to fix the position of the lower mold 3, a support plate 9 is provided on the lower side of the lower mold 3. The support plate 9 is L-shaped and has several load-bearing ribs. An I-beam 10 is provided at the bottom of the support plate 9 and the I-beam 10 is connected to the support plate 9 by screws.
[0035] To prevent the upper mold 2 and lower mold 3 from overheating, a cooling mechanism 11 is provided at the upper mold 2 and lower mold 3 to cool them down. The cooling mechanism 11 is connected to a controller for controlling the opening power and other performance.
[0036] In summary, this utility model provides a non-metallic mineral pipe extrusion molding device. During pipe molding, the raw material enters the upper mold 2 and lower mold 3 from one side. The first and second molding cavities in the upper mold 2 and lower mold 3 can surround each other to form a molding chamber that matches the pipe body 1. The pipe body 1 is formed under the extrusion of the upper mold 2 and lower mold 3, thus completing the extrusion molding of the pipe body 1. Before the raw material for pipe processing enters the upper mold 2, the raw material is squeezed by the guide member 4. The guide member 4 is provided with an upward part 401 and a gathering part 402, which causes the pipe to be gradually squeezed during the process of entering the upper mold 2, and finally forms the groove 102 in the pipe body 1, thus completing the extrusion molding of the pipe body 1. The overall molding of the pipe body 1 can be completed in only one step, which can speed up the processing efficiency.
[0037] The above-disclosed embodiments are only a few specific examples of the present utility model. However, the embodiments of the present utility model are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present utility model.
Claims
1. A non-metallic mineral pipe extrusion molding apparatus, comprising an upper die (2) and a lower die (3), characterized in that, The upper mold (2) is provided with a first molding cavity, and the lower mold (3) is provided with a second molding cavity. The first molding cavity and the second molding cavity can surround each other to form a molding chamber that cooperates with the pipe body (1). The pipe body (1) includes a pipe wall (101) and a groove (102). The groove (102) is located at the center of the upper end face of the pipe wall (101), and the first molding cavity is provided with a protrusion that cooperates with the groove (102). Fastening components (6) are provided at the upper mold (2) and the lower mold (3); A guide (4) is provided at the upper mold (2). The guide (4) is aligned with the protrusion in the first molding cavity. The bottom of the guide (4) is provided with an upward part (401) and a gathering part (402). The upward part (401) is smoothly raised to the upper side away from the upper mold (2). There are two gathering parts (402). The side wall of the gathering part (402) is aligned with the side wall of the protrusion in the first molding cavity.
2. The non-metallic mineral pipe extrusion molding apparatus as described in claim 1, characterized in that, The upper mold (2) and the lower mold (3) are connected by a fastening assembly (6).
3. The non-metallic mineral pipe extrusion molding apparatus as described in claim 2, characterized in that, The fastening assembly (6) includes bolts, nuts, and elastic washers. The upper mold (2) has several first mounting holes, and the lower mold (3) has several second mounting holes. The first mounting holes and the second mounting holes are aligned vertically. The bolts pass through the first mounting holes and the second mounting holes, and the nuts are located on the upper side of the upper mold (2).
4. The non-metallic mineral pipe extrusion molding apparatus as described in claim 3, characterized in that, An elastic washer fitted on the outside of the bolt is installed between the nut and the upper mold (2).
5. The non-metallic mineral pipe extrusion molding apparatus as described in claim 4, characterized in that, Multiple fastening components (6) are evenly distributed on the left and right sides of the upper mold (2).
6. The non-metallic mineral pipe extrusion molding apparatus as described in claim 1, characterized in that, The guide member (4) is provided with a mounting plate (5) on its top, and the mounting plate (5) is provided on the upper mold (2).
7. The non-metallic mineral pipe extrusion molding apparatus as described in claim 6, characterized in that, The mounting plate (5) has several triangular plates on its upper side to improve its resistance to deformation.
8. The non-metallic mineral pipe extrusion molding apparatus as described in claim 1, characterized in that, The lower mold (3) is provided with two short side plates (7) and two long side plates (8), which surround the four sides of the upper mold (2).
9. The non-metallic mineral pipe extrusion molding apparatus as described in claim 1, characterized in that, The lower mold (3) is provided with a support plate (9) on its lower side. The support plate (9) is L-shaped and has several ribs for bearing load. An I-beam (10) is provided at the bottom of the support plate (9). The I-beam (10) is connected to the support plate (9) by screws.
10. The non-metallic mineral pipe extrusion molding apparatus as described in claim 1, characterized in that, Cooling mechanisms (11) for cooling the upper mold (2) and lower mold (3) are provided at the upper mold (2) and lower mold (3).