CN219520206U - Intermittent thread die for engine oil filling pipe end - Google Patents
Intermittent thread die for engine oil filling pipe end Download PDFInfo
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- CN219520206U CN219520206U CN202320083415.4U CN202320083415U CN219520206U CN 219520206 U CN219520206 U CN 219520206U CN 202320083415 U CN202320083415 U CN 202320083415U CN 219520206 U CN219520206 U CN 219520206U
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Abstract
The utility model relates to an intermittent thread die for an engine oil filling pipe end of an engine, which is used for processing and manufacturing an intermittent thread structure of the filling pipe end and comprises a die core, a clamping die and a supporting die, wherein: the mold core and the clamping mold are of a circumference trisection structure, an intermittent thread groove and an intermittent thread convex rib corresponding to the intermittent thread of the pipe end of the oil filling pipe are respectively arranged on the outer wall of the mold core and the inner wall of the clamping mold, and the positions, the shapes and the sizes of the intermittent thread groove and the intermittent thread convex rib are matched; an inner hole is formed in the center of the mold core, and the front end of the inner hole is set to be a conical surface; the supporting core is positioned in the inner hole of the mold core, the front end of the supporting core is provided with a round table-shaped head, and the conical surface angle of the round table-shaped head is the same as the conical surface of the front end of the inner hole of the mold core. In the utility model, the intermittent thread die can be used for forming intermittent threads at the pipe end of the oil filling pipe at one time, so that the production process and the cost are reduced; an integral buckling molding technology is adopted to replace the original welding technology, so that breakage and failure caused by welding are avoided; the mold core and the mold clamping component adopt the design of three circumferences, thereby being convenient for assembling and disassembling and replacing the mold component during faults.
Description
Technical Field
The utility model relates to the technical field of engine oil filling pipe processing, in particular to an intermittent thread die for the end of an engine oil filling pipe.
Background
Engine oil filler tubes are an important component of an engine lubrication system. The lubricating oil filling end of the lubricating oil filling pipe is provided with a thread structure, and the thread structure is used for installing a lubricating oil filling pipe end cover; and the oil pipe plug of the loading machine prevents dust and other impurities from entering the polluted lubricating oil. The traditional machine oil filling pipe end thread structure is generally machined and then connected with the machine oil filling pipe body through welding, the method is multiple in production procedures and high in production cost, and leakage is easy to occur at a welding position, so that potential safety hazards are caused.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides an intermittent thread die for the end of an engine oil filling pipe. An intermittent thread die for manufacturing an intermittent thread structure of an engine oil filling pipe end, which comprises a die core, a clamping die and a supporting die, wherein:
the mold core and the clamping mold are of a circumference trisection structure, and the outer wall of the mold core and the inner wall of the clamping mold are respectively and completely attached to the inner wall and the outer wall of the oil filling pipe end when the mold is closed, so that the oil filling pipe end is firmly clamped;
intermittent thread grooves and intermittent thread ribs corresponding to the intermittent threads of the pipe ends of the oil filling pipes are respectively arranged on the outer wall of the mold core and the inner wall of the clamping mold, and the positions, the shapes and the sizes of the intermittent thread grooves and the intermittent thread ribs are matched for press forming of the intermittent thread structures of the pipe ends of the oil filling pipes;
an inner hole is formed in the center of the mold core, and the front end of the inner hole is set to be a conical surface; the supporting core is positioned in the inner hole of the mold core, the front end of the supporting core is provided with a round table-shaped head, and the angle of the conical surface of the round table-shaped head is the same as that of the conical surface of the front end of the inner hole of the mold core and is used for controlling the opening and closing of the mold core.
According to the utility model, the outer side of the mold core is provided with the boss, and the outer wall of the boss is provided with the alignment hole site.
According to the utility model, the complete circumferential die is formed when the clamping die is clamped, and comprises an inner circular structure and an outer circular structure with larger outer diameter, wherein a step is formed at the inner side of the contact end of the inner circular structure and the outer circular structure, and the step is matched with the boss of the die core in size and is used for limiting and installing the die core and the clamping die.
Further, an inner hole is arranged in the center of the outer circle structure, and the shape and the size of the inner hole are matched with those of the pipe end structure of the oil filling pipe.
Further, marks are arranged on the end face of the circular ring of the inner circular structure.
Furthermore, the end face of the mold core is provided with a mark, and the mark corresponds to the mark of the clamping mold, so that the error installation of the corresponding component can be prevented.
Further, the inner circle structure and the outer circle structure are respectively provided with an alignment hole site and an asymmetric installation hole site, wherein the alignment hole site corresponds to the alignment hole site of the mold core, so that position installation errors can be prevented; the asymmetric mounting holes can further prevent component mounting errors.
According to the utility model, the tail end of the supporting core is a threaded end, and the supporting core is connected with the oil cylinder through the threaded end and is used for controlling the advancing and retreating of the supporting core.
Compared with the prior art, the utility model has the following beneficial effects:
(1) The intermittent thread die can form intermittent threads at the pipe end of the oil filling pipe at one time, so that the production procedures and cost are reduced, and the production efficiency is improved;
(2) An integral buckling molding technology is adopted to replace the original welding technology, so that breakage and failure caused by welding are avoided;
(3) The die has the advantages that the mounting method of each part of the die is simple, the die core and the die clamping assembly adopt the design of circumference trisection, and the die assembly is convenient to assemble and disassemble and replace in the case of faults.
Drawings
FIG. 1 is a schematic illustration of intermittent threads formed at the end of an engine oil filler tube formed in accordance with the present utility model.
Fig. 2 is a three-dimensional view of an intermittent thread die for an engine oil filler tube end of the present utility model.
Fig. 3 is an exploded view of the present utility model.
Fig. 4 is a schematic structural view of the mold core 2 according to the present utility model.
Fig. 5 is a cross-sectional view of the mold core 2 of the present utility model.
Fig. 6 is a front view of the mold core 2 of the present utility model.
Fig. 7 is a schematic structural view of the clamping die 3 of the present utility model.
Fig. 8 is a cross-sectional view of the clamping die 3 of the present utility model.
Fig. 9 is a schematic structural view of the clamping die 3 assembly of the present utility model.
Fig. 10 is a schematic structural view of the stay core 4 of the present utility model.
In the figure:
1-oil filler tube fitting; 11-a filler tube end structure; 12-pipe end intermittent threads;
2-a mold core; 21-a mold core inner hole; 22-an inner hole conical surface; 23-intermittent thread grooves; 24-labelling; 25-boss; 26-aligning hole sites;
3-clamping the mold; 31-an inner circle structure; 311-labeling; 312-aligning hole sites; 32-an outer circle structure; 321-clamping an inner hole of the die; 322-intermittent thread ribs; 323-asymmetric mounting hole site; 33-steps;
4-supporting the core; 41-head; 42-threaded end.
Detailed Description
The technical scheme of the utility model is clearly and completely described in the following by specific embodiments with reference to the accompanying drawings. It should be understood that the described embodiments are merely illustrative of the technical solution of the present utility model and are not intended to limit the scope of the present utility model. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated.
The intermittent thread die is used for processing and manufacturing an intermittent thread structure of an engine oil filling pipe end, and as shown in fig. 1 and 2, the intermittent thread structure comprises three intermittent threads 12 arranged on the filling pipe end 11, is in a concave thread shape and is distributed in a way of being in a circumference trisection along the outer side of the pipe end. The intermittent threads 12 are used to mount a filler tube end cap.
As shown in fig. 2 and 3, the mold for the intermittent thread structure of the oil filling pipe end comprises a mold core 2, a clamping mold 3 and a supporting core 4. Wherein: the mold core 2 and the clamping mold 3 are of a circumference trisection structure, and when the mold is closed, the outer wall of the mold core 2 and the inner wall of the clamping mold 3 are respectively and completely attached to the inner wall and the outer wall of the oil filling pipe end 11, so that the oil filling pipe end 11 is firmly clamped. Intermittent thread grooves 23 and intermittent thread ribs 322 corresponding to the intermittent threads 12 of the oil filling pipe end 11 are respectively arranged on the outer wall of the mold core 2 and the inner wall of the clamping mold 3, and the positions, the shapes and the sizes of the intermittent thread grooves 23 and the intermittent thread ribs 322 are matched for press forming of the intermittent thread structure 12 of the oil filling pipe end 11. The supporting core 4 is used for controlling the opening and closing of the mold core.
Further, as shown in fig. 4 to 5, the mold core 2 has a circumference trisection structure, an inner hole 21 is provided in the center, and the front end of the inner hole 21 is provided with a conical surface 22. The end face of the mold core 2 is provided with marks 24 (numerals 1, 2 and 3 in the figure); and, the outside of mold core 2 is provided with boss 25, be provided with on the outer wall of boss 25 and counterpoint hole site 26.
Further, as shown in fig. 7 to 9, the clamping mold 3 is of a circular trisection structure, and forms a complete circular mold when being assembled, and comprises an inner circular structure 31 and an outer circular structure 32 with a larger outer diameter, wherein a step 33 is formed on the inner side of the contact end of the inner circular structure 31 and the outer circular structure 32, and the step 33 is matched with the boss 25 of the mold core 2 in size, so that the mold core 2 and the clamping mold 3 are in limit installation. An inner hole 321 is formed in the center of the excircle structure 32 of the clamping die 3, and the shape and the size of the inner hole 321 are matched with those of the oil filling pipe end structure 11; the annular end surface of the inner circular structure 31 of the clamping mold 3 is provided with marks 311 (numerals 1, 2 and 3 in the figure), and the marks 311 correspond to the marks 24 of the mold core 2, so that the corresponding components can be prevented from being installed wrongly. In addition, the inner circular structure 31 and the outer circular structure 32 of the clamping die 3 are respectively provided with an alignment hole site 312 and an asymmetric installation hole site 323, wherein the alignment hole site 312 corresponds to the alignment hole site 26 of the die core 2, so that the position installation error can be prevented; the asymmetric mounting holes 323 may further prevent component mounting errors.
Further, as shown in fig. 10, the main body of the core support 4 is in a shape of a rod, the front end of the main body is designed with a conical head 41, the conical surface angle of the conical head 41 is the same as that of the conical surface 22 of the mold core, and the conical head 41 is guaranteed to be completely attached to the conical surface 22 of the mold core when the core support 4 moves forward or backward, so that the mold core 2 is smoothly opened or closed. The tail end of the supporting core 4 is a threaded end 42, and the tail end of the supporting core 4 is connected with an oil cylinder through the threaded end 42 and is used for controlling the advancing and retreating of the supporting core 4.
The working principle of the intermittent thread die is as follows: when the intermittent thread mold works, the supporting core 4 advances, the mold core 2 is opened, then the oil filling pipe fitting 1 is put in, then the clamping mold 3 is closed, the intermittent thread 12 of the pipe end is processed and molded through the intermittent thread ribs 32 and the intermittent thread grooves 23 corresponding to the intermittent thread ribs, then the clamping mold 3 is opened, then the supporting core 4 retreats, and finally the oil filling pipe fitting 1 is taken out. Thus, the whole processing flow is finished, and the next flow is started. Wherein, the advancing and retreating of the supporting core 4, and the closing and opening of the clamping die 3 are controlled by an oil cylinder.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (8)
1. The intermittent thread die for manufacturing the oil filling pipe end is characterized by comprising a die core, a clamping die and a supporting die, wherein:
the mold core and the clamping mold are of a circumference trisection structure, and the outer wall of the mold core and the inner wall of the clamping mold are respectively and completely attached to the inner wall and the outer wall of the oil filling pipe end when the mold is closed, so that the oil filling pipe end is firmly clamped;
intermittent thread grooves and intermittent thread ribs corresponding to the intermittent threads of the pipe ends of the oil filling pipes are respectively arranged on the outer wall of the mold core and the inner wall of the clamping mold, and the positions, the shapes and the sizes of the intermittent thread grooves and the intermittent thread ribs are matched for press forming of the intermittent thread structures of the pipe ends of the oil filling pipes;
an inner hole is formed in the center of the mold core, and the front end of the inner hole is set to be a conical surface; the supporting core is positioned in the inner hole of the mold core, the front end of the supporting core is provided with a round table-shaped head, and the angle of the conical surface of the round table-shaped head is the same as that of the conical surface of the front end of the inner hole of the mold core and is used for controlling the opening and closing of the mold core.
2. The intermittent thread mold of claim 1, wherein a boss is arranged on the outer side of the mold core, and an alignment hole site is arranged on the outer wall of the boss.
3. The intermittent thread mold as claimed in claim 1, wherein the complete circumferential mold is formed by clamping the mold, and comprises an inner circular structure and an outer circular structure with larger outer diameter, wherein a step is formed on the inner side of the contact end of the inner circular structure and the outer circular structure, and the step is matched with the boss of the mold core in size for limiting the mold core and the mold clamping.
4. The intermittent thread mold of claim 3, wherein the center of the outer circular structure is provided with an inner hole, and the shape and the size of the inner hole are matched with those of the oil filling pipe end structure.
5. A batch thread die as claimed in claim 3, wherein the annular end face of the inner circular structure is provided with indicia.
6. The intermittent thread mold as claimed in claim 5, wherein the end surface of the mold core is provided with a mark corresponding to the mark of the clamping mold, so that the corresponding component can be prevented from being installed erroneously.
7. The intermittent thread mold as claimed in claim 3, wherein the inner circular structure and the outer circular structure are respectively provided with an alignment hole site and an asymmetric installation hole site, wherein the alignment hole site corresponds to the alignment hole site of the mold core, so that the position installation error can be prevented; the asymmetric mounting holes can further prevent component mounting errors.
8. The intermittent thread mold of claim 1, wherein the tail end of the support core is a threaded end, and the support core is connected with the oil cylinder through the threaded end and used for controlling the advance and the retreat of the support core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320083415.4U CN219520206U (en) | 2023-01-29 | 2023-01-29 | Intermittent thread die for engine oil filling pipe end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320083415.4U CN219520206U (en) | 2023-01-29 | 2023-01-29 | Intermittent thread die for engine oil filling pipe end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219520206U true CN219520206U (en) | 2023-08-15 |
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ID=87581326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320083415.4U Active CN219520206U (en) | 2023-01-29 | 2023-01-29 | Intermittent thread die for engine oil filling pipe end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219520206U (en) |
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2023
- 2023-01-29 CN CN202320083415.4U patent/CN219520206U/en active Active
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