CN210389922U - Spiral thread mold structure - Google Patents
Spiral thread mold structure Download PDFInfo
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- CN210389922U CN210389922U CN201920353965.7U CN201920353965U CN210389922U CN 210389922 U CN210389922 U CN 210389922U CN 201920353965 U CN201920353965 U CN 201920353965U CN 210389922 U CN210389922 U CN 210389922U
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Abstract
The utility model discloses a spiral thread mould structure, which comprises an upper mould and a lower mould, wherein the lower mould is a cylindrical cavity with an opening at the top, the upper die comprises a die core, a first die sleeve and a second die sleeve, a round table is arranged at the bottom of the die core, a round rod is arranged on the round table, the first die sleeve passes through the round rod of the die core and is arranged on the round table of the die core, the bottom of the outer wall of the first die sleeve is provided with a thread groove, the second die sleeve is sleeved on the first die sleeve, the top of the lower die is provided with a boss, the bottom of the second die sleeve is provided with a groove, the lower die and the upper die are connected with the groove through the boss, the circular truncated cone at the bottom of the mold core and the thread groove at the bottom of the first mold sleeve are both arranged in the cavity of the lower mold, after the upper mold is connected with the lower mold, form a die cavity between lower mould and the last mould, the utility model discloses novel structure, convenient operation, the drawing of patterns piece, it is efficient to can not cause the damage to the product.
Description
Technical Field
The utility model belongs to the technical field of the mould and specifically relates to a spiral thread mould structure is related to.
Background
The thread mold is mainly equipment for producing parts with certain thread shape requirements, demolding is needed after the injection molding process is completed, and demolding is needed for threaded products.
After the part is formed, the threaded die exerts a certain acting force on the part to forcibly separate the part from the die, and the method is difficult in demoulding, can damage the product and has low product precision.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
A spiral thread die structure comprises an upper die and a lower die, wherein the lower die is a cylindrical cavity with an open top, the upper die comprises a die core, a first die sleeve and a second die sleeve, a round table is arranged at the bottom of the die core, a round rod is arranged on the round table, the first die sleeve penetrates through the round rod of the die core and is installed on the round table of the die core, the inner diameter of the first die sleeve is matched with the outer diameter of the round rod of the die core, the first die sleeve is rotatably connected with the die core, a thread groove is formed in the bottom of the outer wall of the first die sleeve, the second die sleeve is sleeved on the first die sleeve, the bottom surface of the second die sleeve is higher than the thread groove of the first die sleeve, a boss is arranged at the top of the lower die, a groove is formed in the bottom of the second die sleeve, the lower die and the upper die are connected with the groove through the boss, the round table at the bottom of the die core and the thread groove at the bottom of the first, and after the upper die is connected with the lower die, a die cavity is formed between the cylindrical cavity of the lower die and the bottoms of the second die sleeve, the circular truncated cone at the bottom of the die core and the thread groove at the bottom of the first die sleeve.
As a further aspect of the present invention: and the inner wall of the second die sleeve and the outer wall of the joint of the first die sleeve and the second die sleeve are provided with matched tapers.
As a further aspect of the present invention: and a feed hole for filling fluid materials is arranged in the middle of the mold core and penetrates through the round table of the mold core.
As a further aspect of the present invention: the bottom end of the charging hole is also provided with three claw grooves distributed circumferentially.
As a further aspect of the present invention: the claw grooves are triangular oblique grooves.
As a further aspect of the present invention: the top of the round rod of the mold core is symmetrically provided with two vertical cutting surfaces.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses novel structure, the bottom of mold core is equipped with the three claw groove that the circumference distributes, and the model passes through claw groove and mold core fixed connection after the shaping of die cavity, and mold core and first die sleeve swivelling joint can be followed the helicla flute of first die sleeve with the model through rotatory mold core and unscrewed, convenient operation, the drawing of patterns piece, it is efficient to can not cause the damage to the product.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is an exploded view of the structure of the present invention.
Fig. 4 is a partial enlarged view of the cavity of the present invention.
Fig. 5 is a schematic structural diagram of the mold core of the present invention.
Fig. 6 is a schematic structural view of the claw groove of the present invention.
In the figure: 1 lower die, 2 die cores, 3 first die sleeve, 4 second die sleeve, 5 die cavities, 11 bosses, 21 round table, 22 round rod, 23 cutting surfaces, 24 feeding holes, 25 claw grooves, 31 spiral grooves and 41 grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 6, in an embodiment of the present invention, a spiral thread mold structure includes an upper mold and a lower mold 1, the lower mold 1 is a cylindrical cavity with an open top, the upper mold includes a mold core 2, a first mold sleeve 3, and a second mold sleeve 4, a circular truncated cone 21 is disposed at the bottom of the mold core 2, a circular rod 22 is disposed on the circular truncated cone 21, the first mold sleeve 3 passes through the circular rod 21 of the mold core 2 and is mounted on the circular truncated cone 21 of the mold core 2, an inner diameter of the first mold sleeve 3 is adapted to an outer diameter of the circular rod 22 of the mold core 2, the first mold sleeve 3 is rotatably connected to the mold core 2, a thread groove 31 is disposed at the bottom of an outer wall of the first mold sleeve 3, the second mold sleeve 4 is sleeved on the first mold sleeve 3, a bottom surface of the second mold sleeve 4 is higher than the thread groove 31 of the first mold sleeve 3, a boss 11 is disposed at the top of the lower mold 1, a groove 41 is disposed, the lower die 1 and the upper die are connected with the groove 41 through the boss 11, the circular truncated cone 21 at the bottom of the die core 2 and the thread groove 31 at the bottom of the first die sleeve 3 are arranged in the cavity of the lower die 1, the outer diameter of the circular truncated cone 21 is smaller than the inner diameter of the lower die 1, and after the upper die is connected with the lower die 1, a die cavity 5 is formed between the cylindrical cavity of the lower die 1 and the bottoms of the second die sleeve 4, the circular truncated cone 21 at the bottom of the die core 2 and the thread groove 31 at the bottom of the first die sleeve 3.
And the inner wall of the second die sleeve 4 and the outer wall of the joint of the first die sleeve 3 and the second die sleeve 4 are provided with matched tapers.
The middle of the mold core 2 is provided with a feed hole 24 for filling fluid materials, and the feed hole 24 penetrates through the circular table 21 of the mold core 2.
The bottom end of the charging hole 24 is also provided with three claw grooves 25 distributed circumferentially.
The claw groove 25 is shaped as a triangular oblique groove.
The top of the round rod 22 of the mold core 2 is symmetrically provided with two vertical cutting surfaces 23.
The utility model discloses a theory of operation is: after the upper die is connected with the lower die, a die cavity is formed between a cylindrical cavity of the lower die and the threaded grooves in the bottoms of the second die sleeve, the circular truncated cone at the bottom of the die core and the first die sleeve, raw materials are added from a feed hole of the die core, the raw materials are separated from the upper die and the lower die after being injected and molded in the die cavity, three claw grooves distributed circumferentially are formed in the bottom of the die core, the model is fixedly connected with the die core through the claw grooves after being molded in the die cavity, the die core is rotatably connected with the first die sleeve, and the model can be screwed out from the spiral grooves of the first die sleeve through the rotating die core.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A spiral thread die structure is characterized by comprising an upper die and a lower die, wherein the lower die is a cylindrical cavity with an open top, the upper die comprises a die core, a first die sleeve and a second die sleeve, a round table is arranged at the bottom of the die core, a round rod is arranged on the round table, the first die sleeve penetrates through the round rod of the die core and is installed on the round table of the die core, the inner diameter of the first die sleeve is matched with the outer diameter of the round rod of the die core, the first die sleeve is rotatably connected with the die core, a thread groove is formed in the bottom of the outer wall of the first die sleeve, the second die sleeve is sleeved on the first die sleeve, the bottom surface of the second die sleeve is higher than the thread groove of the first die sleeve, a boss is arranged at the top of the lower die, a groove is formed in the bottom of the second die sleeve, the lower die and the upper die are connected with the groove through the boss, the round table at the bottom of the die core and the, the outer diameter of the circular truncated cone is smaller than the inner diameter of the lower die, and after the upper die is connected with the lower die, a die cavity is formed among the cylindrical cavity of the lower die, the bottom of the second die sleeve, the circular truncated cone at the bottom of the die core and the thread groove at the bottom of the first die sleeve.
2. A spiral die structure as claimed in claim 1, wherein the inner wall of the second die sleeve and the outer wall of the junction of the first die sleeve and the second die sleeve are provided with matching tapers.
3. A spiral thread mould structure according to claim 1, wherein a feed hole for filling fluid material is provided in the middle of the mould core, and the feed hole penetrates through the circular table of the mould core.
4. A spiral mould structure as claimed in claim 3, wherein the bottom of the charging hole is further provided with three circumferentially distributed claw grooves.
5. A spiral die structure as claimed in claim 4, wherein the claw grooves are triangular oblique grooves.
6. A spiral thread mold structure as claimed in claim 1, wherein the top of the round rod of the mold core is symmetrically provided with two vertical cutting faces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920353965.7U CN210389922U (en) | 2019-03-21 | 2019-03-21 | Spiral thread mold structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920353965.7U CN210389922U (en) | 2019-03-21 | 2019-03-21 | Spiral thread mold structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210389922U true CN210389922U (en) | 2020-04-24 |
Family
ID=70337771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920353965.7U Active CN210389922U (en) | 2019-03-21 | 2019-03-21 | Spiral thread mold structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210389922U (en) |
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2019
- 2019-03-21 CN CN201920353965.7U patent/CN210389922U/en active Active
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