CN216914771U - Tubular product design mould - Google Patents
Tubular product design mould Download PDFInfo
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- CN216914771U CN216914771U CN202121516551.5U CN202121516551U CN216914771U CN 216914771 U CN216914771 U CN 216914771U CN 202121516551 U CN202121516551 U CN 202121516551U CN 216914771 U CN216914771 U CN 216914771U
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- conical surface
- inverted conical
- die
- inlet end
- neck ring
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Abstract
The utility model provides a pipe shaping die which comprises a core rod, a neck ring die and an extrusion assembly. The mandrel has a first reverse tapered surface, and the cross-sectional area of the first inlet end of the mandrel is greater than the cross-sectional area of the first outlet end of the mandrel. The neck ring mold is sleeved outside the core rod, the inner wall of the neck ring mold is provided with a second inverted conical surface sleeved outside the first inverted conical surface, the first inverted conical surface and the second inverted conical surface are oppositely arranged, straight lines formed by longitudinal sections of the first inverted conical surface and the second inverted conical surface are parallel, a first material channel is formed between the first inverted conical surface and the second inverted conical surface, and the core rod is arranged in the neck ring mold in a slidable mode so as to adjust the radial size of the first material channel. The extrusion assembly is used for applying a second extrusion force to the materials to enable the materials to enter the first material channel. The radial dimension of first material passageway is adjusted through the plug that slides the setting to above-mentioned structure, realizes that one set of mould can produce the tubular product of different wall thicknesses, has convenient operation, can reduce operation personnel's intensity of labour, saves the advantage of production material and energy.
Description
Technical Field
The utility model relates to the technical field of pipe extrusion shaping, in particular to a pipe shaping die.
Background
The PVC pipe is generally made by using polyvinyl chloride as raw material, adding stabilizer, lubricant, plasticizer and the like, and extruding in a pipe making machine by a plastic method. The production of the pipe is completed through the procedures of cooling, solidification, shaping, inspection, packaging and the like, and the pipe is more and more widely applied to building engineering because of the characteristics of light weight, corrosion resistance, attractive appearance, no bad smell, easy processing, convenient construction and the like. The PVC pipe is mainly used as a running water supply system piping, a drainage, exhaust and pollution discharge sanitary pipe, an underground drainage pipe system, a rainwater pipe, a threading pipe for electric wire installation and assembly sleeve and the like of a house building. Design mould plays key effect in PVC tubular product production and processing, but at present one set of design mould only can correspond the tubular product of a production wall thickness, need just can change the wall thickness through changing not unidimensional plug and bush, has caused the problem that the operation degree of difficulty is big and the cost of labor is high.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems in the prior art, the utility model provides a pipe shaping die which can adjust the radial size of a first material channel through a core rod arranged in a sliding manner, so that a set of die can be used for producing pipes with different wall thicknesses.
The embodiment of the utility model provides a pipe shaping die, which comprises:
the mandrel is provided with a first inverted conical surface, and the mandrel is provided with a first inlet end and a first outlet end which are oppositely arranged, and the cross-sectional area of the first inlet end is larger than that of the first outlet end;
the neck ring mold is sleeved outside the core rod, the inner wall of the neck ring mold is provided with a second inverted conical surface sleeved outside the first inverted conical surface, the first inverted conical surface and the second inverted conical surface are oppositely arranged, straight lines formed by longitudinal sections of the first inverted conical surface and the second inverted conical surface are parallel, a first material channel is formed between the first inverted conical surface and the second inverted conical surface, materials are discharged in the first material channel after being subjected to first extrusion force, and the core rod is arranged in the neck ring mold in a slidable mode so as to adjust the radial size of the first material channel;
and the extrusion assembly is arranged on one side of the first inlet end of the core rod and is used for applying second extrusion force to the material to enable the material to enter the first material channel.
In some embodiments, the die has a second inlet end corresponding to the first inlet end and a second outlet end corresponding to the first outlet end, the second inlet end of the die has a second material passage formed by one end of a second inverted conical surface of the second inlet end expanding outwards, and the distance between the first inverted conical surface and the second inverted conical surface corresponding to the second material passage is larger than the distance between the first inverted conical surface and the second inverted conical surface corresponding to the first material passage.
In some embodiments, the die is provided with attachment holes.
In some embodiments, the outer wall of the second inlet end of the die extends outwardly to form a connecting portion, and the connecting hole is formed in the connecting portion.
In some embodiments, the die has first and second meeting annular bodies, the first annular body forming the connecting portion and an inner wall of the second annular body forming the second reverse taper.
In some embodiments, the central portion of the mandrel has a through-hole extending in a direction from the first inlet end to the first outlet end thereof.
Compared with the prior art, the embodiment of the utility model has the following beneficial effects: the radial size of the first material channel is adjusted through the core rod which is arranged in a sliding mode, so that a set of die can produce pipes with different wall thicknesses, the second inverted conical surface of the neck die is sleeved outside the first inverted conical surface of the core rod, the first inverted conical surface and the second inverted conical surface are arranged oppositely, straight lines formed by longitudinal sections of the first inverted conical surface and the second inverted conical surface are parallel, after the materials are discharged and shaped through the first material channel, the inner wall of the formed pipe is smooth and free of shunting marks, and bidirectional continuous compression of the materials can be achieved through first extrusion force applied to the materials by the first material channel and second extrusion force applied to the materials by the extrusion assembly, and further quality of the inner wall of the pipe can be further improved.
Drawings
In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments generally by way of example and not by way of limitation, and together with the description and claims serve to explain the disclosed embodiments. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative and not intended to be exhaustive or exclusive embodiments of the present apparatus or method.
FIG. 1 is a schematic structural diagram of a pipe shaping mold according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a tube sizing die in accordance with an embodiment of the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
The members denoted by reference numerals in the drawings:
1-a core rod; 11-a first inverted conical surface; 12-a first inlet end; 13-a first outlet end; 14-a through hole; 2-opening die; 21-a second inverted conical surface; 22-second material channel; 23-a connection hole; 24-a connecting portion; 3-first material channel.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings and the specific embodiments, but not intended to limit the utility model.
The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In the present invention, when it is described that a specific device is located between a first device and a second device, there may or may not be an intervening device between the specific device and the first device or the second device. When a particular device is described as being coupled to other devices, that particular device may be directly coupled to the other devices without intervening devices or may be directly coupled to the other devices with intervening devices.
All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
An embodiment of the present invention provides a tube shaping mold, as shown in fig. 1 to 3, the tube shaping mold includes a core rod 1, a die 2, and an extrusion assembly (not shown in the figure). The mandrel 1 has a first inverted conical surface 11, the mandrel 1 has a first inlet end 12 and a first outlet end 13 which are oppositely arranged, and the cross-sectional area of the first inlet end 12 is larger than that of the first outlet end 13. The neck ring mold 2 is sleeved outside the core rod 1, the inner wall of the neck ring mold 2 is provided with a second inverted conical surface 21 sleeved outside the first inverted conical surface 11, the first inverted conical surface 11 and the second inverted conical surface 21 are oppositely arranged, straight lines formed by longitudinal sections of the first inverted conical surface 11 and the second inverted conical surface 21 are parallel, a first material channel 3 is formed between the first inverted conical surface 11 and the second inverted conical surface 21, materials are discharged after being subjected to first extrusion force in the first material channel 3, the core rod 1 is arranged in the neck ring mold 2 in a slidable mode, and the radial size of the first material channel 3 is adjusted. The extrusion assembly is arranged on one side of the first inlet end 12 of the mandrel 1 and is used for applying a second extrusion force to the material so that the material enters the first material channel 3.
Specifically, fig. 2 is a cross-sectional view of a longitudinal section of the tube shaping mold, as shown in fig. 2, a straight line formed by the first inverted conical surface 11 and a straight line formed by the second inverted conical surface 21 are parallel, the material can receive a uniform first extrusion force in the first material channel 3 formed between the first inverted conical surface 11 and the second inverted conical surface 21, and a direction of the first extrusion force may be a direction perpendicular to the first inverted conical surface 11.
Specifically, with reference to fig. 2, the radial dimension of the first material channel 3 can be understood as the linear distance between the first inverted conical surface 11 and the second inverted conical surface 21, and when the core rod 1 slides in the neck ring 2, the linear distance between the first inverted conical surface 11 and the second inverted conical surface 21 changes along with the change of the relative position between the core rod 1 and the neck ring 2, so that the radial dimension of the first material channel 3 changes, that is, an operator can adjust the relative position between the core rod 1 and the neck ring 2 according to the requirement, so as to adjust the radial dimension of the first material channel 3, so that the wall thickness of the pipe after the pipe shaping mold is shaped can be adjusted.
Specifically, the direction of the arrow shown in fig. 2 is the direction of movement of the material. The inlet of the first material channel 3 is close to the first inlet end 12 of the mandrel 1, i.e. the left side of the first material channel 3 in fig. 2 is its inlet, and the outlet of the first material channel 3 is close to the first outlet end 13 of the mandrel 1, i.e. the right side of the first material channel 3 in fig. 2 is its outlet.
Further, the extrusion assembly is configured to apply a force to the material to move the material from the inlet of the first material channel 3 to the outlet thereof, that is, the second extrusion force, the direction of the second extrusion force may be perpendicular to the direction of the first extrusion force, and a certain included angle may be formed between the first extrusion force and the second extrusion force, in short, the first extrusion force and the second extrusion force are forces in different directions, and the two forces are applied to the material to enable the material to be compressed bidirectionally and continuously and be discharged from the outlet of the first material channel 3.
The radial size of the first material channel 3 is adjusted through the core rod 1 which is arranged in a sliding mode, so that the purpose that a set of die can produce pipes with different wall thicknesses is achieved, the structure is convenient to operate, the labor intensity of operators can be reduced, the operation time is shortened, and production materials and energy are saved. And the second inverted cone surface 21 outside the first inverted cone surface 11 of the core rod 1 is sleeved with the neck ring mold 2, the first inverted cone surface 11 and the second inverted cone surface 21 are oppositely arranged, and straight lines formed by longitudinal sections of the first inverted cone surface and the second inverted cone surface are parallel, so that after the material is discharged and shaped through the first material channel 3, the inner wall of the formed pipe is smooth and has no shunt marks, and the first extrusion force applied to the material by the first material channel 3 and the second extrusion force applied to the material by the extrusion assembly can realize bidirectional continuous compression of the material, thereby further improving the quality of the inner wall of the pipe.
In some embodiments, as shown in fig. 2, the die 2 has a second inlet end corresponding to the first inlet end 12 and a second outlet end corresponding to the first outlet end 13, the second inlet end of the die 2 has a second material passage 22 formed by one end of a second inverse tapered surface 21 expanding outwards, and the distance between the first inverse tapered surface 11 and the second inverse tapered surface 21 corresponding to the second material passage 22 is greater than the distance between the first inverse tapered surface 11 and the second inverse tapered surface 21 corresponding to the first material passage 3.
Specifically, as shown in fig. 2, the cross-sectional area of the second material passage 22 is larger as it is closer to the first inlet end 12 of the mandrel 1, which is beneficial for the material to smoothly enter the second material passage 22, the second material passage 22 is communicated with the first material passage 3, and the material enters the first material passage 3 from the second material passage 22.
In some embodiments, as shown in figure 2, the die 2 is provided with attachment holes 23, which attachment holes 23 facilitate the removable mounting of the die 2. The connecting hole 23 may be a threaded hole or a through hole 14.
In some embodiments, as shown in fig. 2, the outer wall of the second inlet end of the die 2 extends outwards to form a connecting portion 24, and the connecting holes 23 are provided on the connecting portion 24. The above-mentioned connecting portion 24 allows the die 2 to be stably mounted on other members.
In some embodiments, the die 2 has first and second contiguous annular bodies, the first annular body forming the connecting portion 24 and the inner wall of the second annular body forming the second inverted conical surface 21. The first annular body and the second annular body can be integrally formed to ensure the relative position relationship of the first annular body and the second annular body and ensure the stable connection of the first annular body and the second annular body.
In some embodiments, as shown in FIG. 2, the central portion of the mandrel 1 has a through-hole 14 extending in the direction from its first inlet end 12 to its first outlet end 13. The mandrel 1 can be inserted into a member for mounting the mandrel 1 through the through hole 14, so that the mandrel 1 can be stably mounted.
Moreover, although exemplary embodiments have been described herein, the scope thereof includes any and all embodiments based on the present invention with equivalent elements, modifications, omissions, combinations (e.g., of various embodiments across), adaptations or alterations. The elements of the claims are to be interpreted broadly based on the language employed in the claims and not limited to examples described in the present specification or during the prosecution of the application, which examples are to be construed as non-exclusive. It is intended, therefore, that the specification and examples be considered as exemplary only, with a true scope and spirit being indicated by the following claims and their full scope of equivalents.
The above description is intended to be illustrative and not restrictive. For example, the above-described examples (or one or more versions thereof) may be used in combination with each other. For example, other embodiments may be used by those of ordinary skill in the art upon reading the above description. In addition, in the above-described embodiments, various features may be grouped together to streamline the disclosure. This should not be interpreted as an intention that a disclosed feature not claimed is essential to any claim. Rather, inventive subject matter may lie in less than all features of a particular disclosed embodiment. Thus, the following claims are hereby incorporated into the detailed description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with each other in various combinations or permutations. The scope of the utility model should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (6)
1. A tubular product design mould which characterized in that includes:
the mandrel is provided with a first inverted conical surface and a first inlet end and a first outlet end which are oppositely arranged, and the cross-sectional area of the first inlet end is larger than that of the first outlet end;
the neck ring mold is sleeved outside the core rod, the inner wall of the neck ring mold is provided with a second inverted conical surface sleeved outside the first inverted conical surface, the first inverted conical surface and the second inverted conical surface are oppositely arranged, straight lines formed by longitudinal sections of the first inverted conical surface and the second inverted conical surface are parallel, a first material channel is formed between the first inverted conical surface and the second inverted conical surface, materials are discharged in the first material channel after being subjected to first extrusion force, and the core rod is arranged in the neck ring mold in a slidable mode so as to adjust the radial size of the first material channel;
and the extrusion assembly is arranged on one side of the first inlet end of the core rod and is used for applying second extrusion force to the material to enable the material to enter the first material channel.
2. The tube sizing die as defined in claim 1, wherein the die has a second inlet end corresponding to the first inlet end and a second outlet end corresponding to the first outlet end, the second inlet end of the die has a second material passage formed by one end of a second inverted conical surface of the die expanding outward, and the distance between the first inverted conical surface and the second inverted conical surface corresponding to the second material passage is greater than the distance between the first inverted conical surface and the second inverted conical surface corresponding to the first material passage.
3. The tube sizing die as recited in claim 1, wherein the die is provided with attachment holes.
4. The tube sizing die as recited in claim 3, wherein the outer wall of the second inlet end of the die extends outwardly to form a connecting portion, and the connecting holes are formed in the connecting portion.
5. The tube sizing die as defined in claim 4 wherein said die has first and second abutting annular bodies, said first annular body forming said connecting portion and said second annular body having an inner wall forming said second reverse taper.
6. The tube sizing die according to claim 1, wherein the central portion of the mandrel has a through hole extending in a direction from the first inlet end to the first outlet end thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121516551.5U CN216914771U (en) | 2021-07-05 | 2021-07-05 | Tubular product design mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121516551.5U CN216914771U (en) | 2021-07-05 | 2021-07-05 | Tubular product design mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216914771U true CN216914771U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121516551.5U Active CN216914771U (en) | 2021-07-05 | 2021-07-05 | Tubular product design mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216914771U (en) |
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2021
- 2021-07-05 CN CN202121516551.5U patent/CN216914771U/en active Active
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