CN210792220U - Mould production part positioning mechanism - Google Patents
Mould production part positioning mechanism Download PDFInfo
- Publication number
- CN210792220U CN210792220U CN201921092055.4U CN201921092055U CN210792220U CN 210792220 U CN210792220 U CN 210792220U CN 201921092055 U CN201921092055 U CN 201921092055U CN 210792220 U CN210792220 U CN 210792220U
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- CN
- China
- Prior art keywords
- positioning
- hole
- accommodating hole
- threaded
- thread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 241001391944 Commicarpus scandens Species 0.000 claims abstract description 7
- 230000004308 accommodation Effects 0.000 abstract description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a positioning mechanism for a die production part, which comprises an insert and a positioning pin, wherein the top of the insert is provided with a positioning hole in the vertical direction; the positioning pin comprises a positioning part, an extending part, a breakable part and a threaded part which are coaxially and sequentially connected, wherein the extending part is horn-shaped; the outer diameter of the easy-to-break part is larger than that of the positioning part and the threaded part, and an inner hexagonal through hole is axially formed in the easy-to-break part; the inner hexagonal through hole penetrates through the extending part upwards and extends into the positioning part, and the inner hexagonal through hole extends downwards into the threaded part; the thread part is provided with an external thread; the locating hole includes accommodation hole, lower accommodation hole, and the inner wall of lower accommodation hole is provided with the internal thread with external screw thread assorted, goes up the accommodation hole and sets up in the little clearance fit of easy-to-break portion. The utility model is used for mould production part location can avoid taking out of the easy disconnected arouse of locating pin to change unchangeable problem to improve production efficiency.
Description
Technical Field
The utility model relates to the technical field of mold, especially, relate to a mould production part positioning mechanism.
Background
Often adopt the locating pin to fix a position when mould production part, but appear easily that the locating pin is fragile in process of production and arouse take out the inconvenient problem of change to influence production efficiency.
Disclosure of Invention
Not enough to prior art exists, the utility model aims at providing a mould production part positioning mechanism for mould production part location can avoid taking out of the easy disconnected arouse of locating pin to change unchangeable problem, thereby improves production efficiency.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a die production part positioning mechanism comprises an insert and a positioning pin, wherein the top of the insert is provided with a positioning hole in the vertical direction; the positioning pin comprises a positioning part, an extending part, a breakable part and a threaded part which are coaxially and sequentially connected, wherein the extending part is horn-shaped; the outer diameter of the easy-to-break part is larger than that of the positioning part and the threaded part, and an inner hexagonal through hole is axially formed in the easy-to-break part; the inner hexagonal through hole penetrates through the extending part upwards and extends into the positioning part, and the inner hexagonal through hole extends downwards into the threaded part; the thread part is provided with external threads, and the joint of the thread part and the breakable part is step-shaped; the positioning hole comprises an upper accommodating hole and a lower accommodating hole, and the joint of the upper accommodating hole and the lower accommodating hole is step-shaped; the inner diameter of the lower accommodating hole is consistent with the outer diameter of the threaded part, and an inner thread matched with the outer thread is arranged on the inner wall of the lower accommodating hole; the inner diameter of the upper accommodating hole is smaller than the outer diameter of the breakable part, and the upper accommodating hole is arranged in the breakable part in a micro-clearance fit mode.
Preferably, the positioning portion is provided with a smooth outer circumferential surface.
Preferably, a top guide portion is provided at a top end of the positioning portion.
Preferably, the top guide portion has a conical shape.
Preferably, a bottom guide portion is provided at a bottom end of the threaded portion, and the lower receiving hole extends downward to be a bottom guide hole matched with the bottom guide portion.
Preferably, the bottom guide part and the bottom guide hole are in the shape of an inverted cone.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model is used for mould production part location can avoid taking out of the easy disconnected arouse of locating pin to change unchangeable problem to improve production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a sectional view of the positioning pin of the present invention.
Detailed Description
The invention will be further described with reference to specific embodiments. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example (b):
as shown in fig. 1-2, a positioning mechanism for a die-produced part comprises an insert 1 and a positioning pin 2, wherein a positioning hole (not shown in the drawings because a component is already installed) is formed in the top of the insert 1 in the vertical direction; the positioning pin 2 comprises a positioning part 21, an extending part 22, a breakable part 23 and a threaded part 24 which are coaxially connected in sequence, wherein the extending part 22 is horn-shaped; the outer diameter of the easy-breaking part 23 is larger than that of the positioning part 21 and the thread part 24, and an inner hexagonal through hole 25 is axially arranged on the easy-breaking part 23; the inner hexagonal through hole 25 penetrates the extending part 22 upwards and extends into the positioning part 21, and the inner hexagonal through hole 25 extends downwards into the thread part 24; the threaded part 24 is provided with an external thread 29, and the joint of the threaded part 24 and the breakable part 23 is step-shaped; the positioning hole comprises an upper accommodating hole (not shown in the figures because the component is installed) and a lower accommodating hole (not shown in the figures because the component is installed), and the joint of the upper accommodating hole and the lower accommodating hole is step-shaped; the inner diameter of the lower receiving hole coincides with the outer diameter of the threaded portion 24, and the inner wall of the lower receiving hole is provided with an internal thread (not shown in the drawings since components have already been mounted) that matches the external thread 29; the inner diameter of the upper accommodating hole is smaller than the outer diameter of the breakable part 23, and the upper accommodating hole is arranged in the breakable part 23 in a micro-clearance fit mode.
Specifically, the positioning portion 21 is provided with a smooth outer circumferential surface 26.
More specifically, the top end of the positioning portion 21 is provided with a top guide portion 27.
More specifically, the top guide 27 has a conical shape.
Specifically, the bottom end of the threaded portion 24 is provided with a bottom guide 28, and the lower receiving hole extends downward to be a bottom guide hole (not shown in the drawings since the components have already been mounted) that matches the bottom guide 28.
More specifically, the bottom guide portion 28 and the bottom guide hole are each in the shape of an inverted cone.
Furthermore, a top guide part 27 and a bottom guide part 28 are arranged to play a role in guiding and facilitate positioning.
To sum up, the utility model is used for mould production part location can avoid taking out of 2 breakable arouses of locating pin and change inconvenient problem, and insert 1 fixed the setting on the mould lower mould, and set up part locating pin 2, the position of easily breaking of 2 locating pins usually takes place near the position of the part of easily breaking 23 and last accommodation hole junction, locating pin 2 sets up external screw thread 29 bottom, with the internal thread locking of inserting 1, interior hexagonal through-hole 25 forms through spark-erosion machining, thereby can directly take out and insert 1 interior remaining locating pin 2 with interior hexagonal spanner when locating pin 2 splits, the spare part reduces the lathe down time greatly more, and the production efficiency is improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides a mould production part positioning mechanism which characterized in that: the positioning structure comprises an insert and a positioning pin, wherein the top of the insert is provided with a positioning hole in the vertical direction; the positioning pin comprises a positioning part, an extending part, a breakable part and a threaded part which are coaxially and sequentially connected, wherein the extending part is horn-shaped; the outer diameter of the easy-to-break part is larger than that of the positioning part and the threaded part, and an inner hexagonal through hole is axially formed in the easy-to-break part; the inner hexagonal through hole penetrates through the extending part upwards and extends into the positioning part, and the inner hexagonal through hole extends downwards into the threaded part; the thread part is provided with external threads, and the joint of the thread part and the breakable part is step-shaped; the positioning hole comprises an upper accommodating hole and a lower accommodating hole, and the joint of the upper accommodating hole and the lower accommodating hole is step-shaped; the inner diameter of the lower accommodating hole is consistent with the outer diameter of the threaded part, and an inner thread matched with the outer thread is arranged on the inner wall of the lower accommodating hole; the inner diameter of the upper accommodating hole is smaller than the outer diameter of the breakable part, and the upper accommodating hole is arranged in the breakable part in a micro-clearance fit mode.
2. The mold-producing part positioning mechanism of claim 1, wherein: the positioning part is provided with a smooth outer circumferential surface.
3. The mold-producing part positioning mechanism of claim 1, wherein: the top end of the positioning part is provided with a top guide part.
4. The mold produced part positioning mechanism of claim 3, wherein: the top guide part is in a conical shape.
5. The mold-producing part positioning mechanism of claim 1, wherein: the bottom end of the threaded portion is provided with a bottom guide portion, and the lower accommodating hole extends downwards to form a bottom guide hole matched with the bottom guide portion.
6. The mold-producing part positioning mechanism of claim 5, wherein: the bottom guide part and the bottom guide hole are both in an inverted cone shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921092055.4U CN210792220U (en) | 2019-07-12 | 2019-07-12 | Mould production part positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921092055.4U CN210792220U (en) | 2019-07-12 | 2019-07-12 | Mould production part positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210792220U true CN210792220U (en) | 2020-06-19 |
Family
ID=71239481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921092055.4U Expired - Fee Related CN210792220U (en) | 2019-07-12 | 2019-07-12 | Mould production part positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210792220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115831001A (en) * | 2021-09-16 | 2023-03-21 | 西安青松光电技术有限公司 | Display screen box body assembly and display screen |
-
2019
- 2019-07-12 CN CN201921092055.4U patent/CN210792220U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115831001A (en) * | 2021-09-16 | 2023-03-21 | 西安青松光电技术有限公司 | Display screen box body assembly and display screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |