CN207746357U - A kind of cold headers thimble protection guide sleeve - Google Patents
A kind of cold headers thimble protection guide sleeve Download PDFInfo
- Publication number
- CN207746357U CN207746357U CN201721635416.6U CN201721635416U CN207746357U CN 207746357 U CN207746357 U CN 207746357U CN 201721635416 U CN201721635416 U CN 201721635416U CN 207746357 U CN207746357 U CN 207746357U
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- China
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- hole
- thimble
- reinforcing rib
- sleeve
- mandril
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Abstract
The utility model is related to cold headers technical fields; especially a kind of cold headers protect guide sleeve with thimble; including sleeve and middle mandril; through-hole is equipped in the sleeve; the through-hole includes the central through hole to match with thimble and several reinforcing rib through-holes parallel with the axis of central through hole; support portion is formed between the adjacent two reinforcing rib through-hole, the reinforcing rib through-hole is connected to central through hole；The middle mandril include with the matched ontology of central through hole and with the matched reinforcing rib of reinforcing rib through-hole；The middle mandril is slidably connected in the through-hole, by the way that sleeve is arranged, it will be in the centrally disposed through-hole of thimble, by pushing thimble to eject slender bolt with the matched middle mandril of through-hole, since the support portion between adjacent two reinforcing ribs through-hole in sleeve is supported thimble, it is therefore prevented that thimble stress deformation fractures, and due to having reinforcing rib on middle mandril, centering mandril is reinforced, it is therefore prevented that middle mandril stress deformation fractures.
Description
Technical field
The utility model is related to cold headers technical field, especially a kind of cold headers protect guide sleeve with thimble.
Background technology
When processing slender bolt 7, slender bolt 7 after processing is completed, needs to stretch into centre hole by thimble cold headers
By slender bolt 7 from mold ejection, this just needs thimble to be matched with the centre hole of mold, and length is greater than the length of bolt 7
Degree, therefore very high to the hardness requirement of thimble, existing thimble when to 7 applied force of bolt in mold, stretch by a part for thimble
Enter in centre hole, another naked to be exposed on the external, however since part stay bolt 7 requires its diameter of section very little, when being applied to spiral shell
The power of bolt 7 is more than the hardness of thimble, and the exposed thimble in mold exterior is easily deformed or fractures because of without any protection,
So as to cause upsetting system can not carry out.
Utility model content
The technical problems to be solved in the utility model is：When machining slender bolt to solve existing cold-heading, it is exposed
The problem of thimble of mold exterior is easily deformed or fractures, the utility model provide a kind of protection of cold headers thimble and lead
Set, by the way that sleeve is arranged, by the centrally disposed through-hole of thimble, by pushing thimble by elongated spiral shell with the matched middle mandril of through-hole
Bolt ejects, since the support portion between adjacent two reinforcing ribs through-hole in sleeve is supported thimble, it is therefore prevented that thimble stress becomes
Shape fractures, and due to having reinforcing rib, centering mandril to be reinforced on middle mandril, it is therefore prevented that middle mandril stress deformation or folding
It is disconnected.
Technical solution adopted by the utility model to solve its technical problems is：A kind of cold headers thimble protection guide sleeve,
Including sleeve, be equipped with through-hole in the sleeve, the through-hole include the central through hole to match with thimble and with central through hole
Several parallel reinforcing rib through-holes of axis form support portion, the reinforcing rib through-hole between the adjacent two reinforcing rib through-hole
It is connected to central through hole；With middle mandril, the middle mandril includes being matched with the matched ontology of central through hole and with reinforcing rib through-hole
Reinforcing rib；
The middle mandril is slidably connected in the through-hole.
For the intensity of mandril in reinforcing, the reinforcing rib through-hole at least two.
For the intensity of mandril in reinforcing, the reinforcing rib through-hole is 3 or 4.
For the intensity of mandril in reinforcing, the reinforcing rib through-hole is sector.
In order to ensure that uniform force, the reinforcing rib through-hole are 4, the angle of the adjacent two reinforcing rib through-hole is 45
Degree.
Specifically, further include fixing nut and push rod, the push rod is connect by fixing nut with middle mandril.
Specifically, the length of the sleeve is less than the length of middle mandril.
The utility model has the beneficial effects that：The utility model provides a kind of cold headers thimble protection guide sleeve, passes through
Sleeve is set, by the centrally disposed through-hole of thimble, by pushing thimble to eject slender bolt with the matched middle mandril of through-hole,
Since the support portion between adjacent two reinforcing ribs through-hole in sleeve is supported thimble, it is therefore prevented that thimble stress deformation or folding
It is disconnected, and due to thering is reinforcing rib, centering mandril to be reinforced on middle mandril, it is therefore prevented that middle mandril stress deformation fractures；It will add
Strengthening tendons via design is sector, increases the intensity of middle mandril.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural schematic diagram of cold headers thimble protection guide sleeve of the utility model；
Fig. 2 is the structural schematic diagram of sleeve；
Fig. 3 is the left view of Fig. 2；
Fig. 4 is the structural schematic diagram of middle mandril；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is the schematic diagram that middle mandril pushes thimble to the bolt applied force in mold；
Fig. 7 is the schematic diagram that thimble releases bolt.
1, sleeve；2, middle mandril；3, fixing nut；4, push rod；5, mold；6, thimble；7, bolt；11, through-hole；12、
Central through hole；13, reinforcing rib through-hole；14, support portion；21, ontology；22, reinforcing rib.
Specific implementation mode
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
As shown in Figs. 1-5, a kind of cold headers protect guide sleeve, including sleeve 1 and middle mandril 2 with thimble, are equipped in sleeve logical
Hole 11, the central through hole 12 and several reinforcements parallel with the axis of central through hole 12 that through-hole 11 includes with thimble 6 matches
Muscle through-hole 13, forms support portion 14 between adjacent two reinforcing ribs through-hole 13, and reinforcing rib through-hole 13 is connected to central through hole 12；Middle top
Bar 2 include with 12 matched ontology 21 of central through hole and with 13 matched reinforcing rib 22 of reinforcing rib through-hole；Middle mandril 2 is slidably connected
In through-hole 11.
In a specific embodiment, reinforcing rib through-hole 13 at least two.
Preferably, reinforcing rib through-hole 13 is 3 or 4.
In a specific embodiment, reinforcing rib through-hole 13 is sector.
Wherein reinforcing rib through-hole 13 is 4, and the angle of adjacent two reinforcing ribs through-hole 13 is 45 degree.
Wherein further include fixing nut 3 and push rod 4, push rod 4 is connect by fixing nut 3 with middle mandril 2.
The length of its middle sleeve 1 is less than the length of middle mandril 2.
As shown in fig. 6, when work, sleeve 1 is fixed with mold 5 so that the thimble 6 of through-hole 11 is directed at the thimble in mold 5
6 holes drive push rod 4 so that the sliding of middle mandril 2 is in through-hole 11 to push the thimble 6 in sleeve 1 in 6 hole of thimble
7 applied force of bolt, completely out bolt 7 are as shown in Figure 7.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to which its technology is determined according to right
Property range.
Claims (7)
1. a kind of cold headers protect guide sleeve with thimble, it is characterised in that：Including
Sleeve（1）, the sleeve is interior to be equipped with through-hole（11）, the through-hole（11）Including with thimble（6）The central through hole to match
（12）With with central through hole（12）Parallel several reinforcing rib through-holes of axis（13）, the adjacent two reinforcing rib through-hole（13）
Between form support portion（14）, the reinforcing rib through-hole（13）With central through hole（12）Connection；With
Middle mandril（2）, the middle mandril（2）Including with central through hole（12）Matched ontology（21）With with reinforcing rib through-hole（13）
Matched reinforcing rib（22）；
The middle mandril（2）It is slidably connected at the through-hole（11）It is interior.
2. a kind of cold headers as described in claim 1 protect guide sleeve with thimble, it is characterised in that：The reinforcing rib through-hole（13）
At least two.
3. a kind of cold headers as claimed in claim 2 protect guide sleeve with thimble, it is characterised in that：The reinforcing rib through-hole（13）
It is 3 or 4.
4. a kind of cold headers as described in claim 1 protect guide sleeve with thimble, it is characterised in that：The reinforcing rib through-hole（13）
For sector.
5. a kind of cold headers as claimed in claim 4 protect guide sleeve with thimble, it is characterised in that：The reinforcing rib through-hole（13）
It is 4, the adjacent two reinforcing rib through-hole（13）Angle be 45 degree.
6. a kind of cold headers as described in claim 1 protect guide sleeve with thimble, it is characterised in that：It further include fixing nut（3）
And push rod（4）, the push rod（4）Pass through fixing nut（3）With middle mandril（2）Connection.
7. a kind of cold headers as described in claim 1 protect guide sleeve with thimble, it is characterised in that：The sleeve（1）Length
Less than middle mandril（2）Length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721635416.6U CN207746357U (en) | 2017-11-29 | 2017-11-29 | A kind of cold headers thimble protection guide sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721635416.6U CN207746357U (en) | 2017-11-29 | 2017-11-29 | A kind of cold headers thimble protection guide sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207746357U true CN207746357U (en) | 2018-08-21 |
Family
ID=63148493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721635416.6U Active CN207746357U (en) | 2017-11-29 | 2017-11-29 | A kind of cold headers thimble protection guide sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207746357U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107812873A (en) * | 2017-11-29 | 2018-03-20 | 胡瑾 | A kind of cold headers protect guide pin bushing with thimble |
| CN112976525A (en) * | 2021-02-04 | 2021-06-18 | 湖州志宏新材料有限公司 | Polytetrafluoroethylene plunger extrusion feeding device and method |
-
2017
- 2017-11-29 CN CN201721635416.6U patent/CN207746357U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107812873A (en) * | 2017-11-29 | 2018-03-20 | 胡瑾 | A kind of cold headers protect guide pin bushing with thimble |
| CN112976525A (en) * | 2021-02-04 | 2021-06-18 | 湖州志宏新材料有限公司 | Polytetrafluoroethylene plunger extrusion feeding device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191101 Address after: 213000 No. 58 Xinggang Road, Zhonglou District, Changzhou City, Jiangsu Province Patentee after: Changzhou yijingzhu Steel Ball Co., Ltd Address before: Jiangsu province Changzhou City Zhonglou District 213000 North Street Zou Jia Cun Wei Jiang Shu Village No. 76 Patentee before: Hu Jin |