CN203448546U - Rotary forging type die head used for shrinking heat pipe - Google Patents
Rotary forging type die head used for shrinking heat pipe Download PDFInfo
- Publication number
- CN203448546U CN203448546U CN201320538808.6U CN201320538808U CN203448546U CN 203448546 U CN203448546 U CN 203448546U CN 201320538808 U CN201320538808 U CN 201320538808U CN 203448546 U CN203448546 U CN 203448546U
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- Prior art keywords
- main shaft
- die head
- heat pipe
- mould
- roller
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Abstract
The utility model discloses a rotary forging type die head used for shrinking a heat pipe. A main shaft is a hollow cylindrical structure, one end of the main shaft is connected with a belt wheel, the other end of the main shaft is arranged in a shell, and an end surface groove is formed in the front end of the main shaft and is three or four openings formed in the front end of the main shaft along the periphery. Dies are installed in the end surface grooves in the front end surface of the main shaft, each opening of the end surface groove contains one die, the centers of the dies form a cylindrical cavity, a hammer is installed at the outer side of each die and is a block-shaped tensioning part, the outer side of each hammer is a circular arc surface, a sleeve is arranged at the periphery of the front end of the main shaft, a pin roller retaining frame is arranged in an annular space between the sleeve and the outer diameter of the main shaft, a plurality of blind holes are evenly distributed in the peripheral direction, and pin rollers are cylindrical parts and are embedded in the blind holes in the pin roller retaining frame. The rotary forging type die head used for shrinking the heat pipe resolves the problems that in the process of shrinking the heat pipe, the die head is large in loss, high in noise, not easy to maintain and the like, and can meet the process requirements for a large pipe diameter and a large hole shrinkage ratio.
Description
Technical field
The utility model relates to a kind of heat pipe, particularly relates to a kind of rotation forged die head for heat pipe shrinking pipe, belongs to heat pipe shrinking pipe processing technique field.
Background technology
Heat pipe is a kind of components and parts that utilize the phase transformation of working medium in enclosed cavity to realize efficient heat transfer.In the structure of at present common machine for shrinking die head, the positional precision of roller is not high, rocks greatly, is difficult for taking out and changes or safeguard, and increased the noise producing while working, and easily produces bad product, and draw quality is unstable, and draw efficiency is low.The grease of the taper roll bearing on main shaft is easily subject to the pollution from mould place part chip, is difficult for changing grease simultaneously.Main shaft directly contacts with mould, and wearing and tearing are large, and the life-span is low.
Utility model content
Not high in order to solve in the existing draw die head technology roller construction precision; noise is large; bearing pollutes large; safeguard the problems such as inconvenience and life-span be low, the utility model provides a kind of raising roller positional precision, improves draw product quality and stability; improve draw efficiency; reduce noise, effectively protect bearing, be easy to safeguard and can improve the rotation forged die head for heat pipe shrinking pipe in die head life-span.
In order to address the above problem, the technical scheme that the utility model adopts is:
A kind of rotation forged die head for heat pipe shrinking pipe: comprise main shaft, housing, belt wheel, sleeve, roller, roller rolling retainer, mat, rear pad, tup and mould; Main shaft is hollow cylindrical-shaped structure, and one end of main shaft is connected with belt wheel, and the other end of main shaft is arranged in housing, between main shaft and housing, adopts respectively front cone roller bearing and rear taper roll bearing to be connected; The front end of main shaft is provided with end face groove, and end face groove is for to have three or four openings along circumference at the front end of main shaft; Rear pad is the sheet parts that shape is identical with the end face groove of front-end of spindle face, embeds in the end face groove of main shaft during installation; Mat; Be the sheet parts that is converted into 120 ° or 90 °, mat embeds in the end face groove of front end face of main shaft, covers the side of main shaft end face groove; Mould is arranged in the end face groove of front-end of spindle face, and each opening of end face groove is provided with a mould, and the center of a plurality of moulds forms a cylindrical cavity; It between mould and main shaft, is matched in clearance; Tup is installed in the outside of mould, and tup is block stretched parts, and the outside of tup is arc surface; The periphery of the front end of main shaft is provided with sleeve, between sleeve and housing, adopts interference fit; Roller rolling retainer is arranged on the annular space between sleeve and main shaft external diameter, is annular, along being circumferentially evenly arranged a plurality of blind holes, the multiple that the quantity of blind hole is mould; Roller is cylindric part, embeds in the blind hole on roller rolling retainer, and forms matched in clearance with blind hole; Between front cone roller bearing and roller, be provided with grease separator, grease separator is connected with main shaft, for separating the grease of front cone roller bearing and the grease of roller;
The front end of housing is provided with drive end bearing bracket, and rear end is provided with rear end cap, and the center of drive end bearing bracket is provided with guide cover, guide cover entrance is horn-like, draw product stretches into from guide cover, and the front end that enters main shaft is provided with in the cylindrical cavity that a plurality of mold center of end face groove form, in the main shaft of going forward side by side hollow.
For further realizing the utility model object, preferably, described belt wheel adopts key to be connected with main shaft, and belt wheel is fixed on one end of main shaft with locking nut.
The play of described front cone roller bearing and rear taper roll bearing adopts bearing tensioning nut to regulate.
Described rear pad is connected with main shaft with bolt.
On described housing, be respectively equipped with the grease inlet of rear taper roll bearing and front cone roller bearing.
On the front end face of roller rolling retainer, sleeve and mould, add screwed hole.
The place, one end of described sleeve unthreaded hole adds a chamfering.
With respect to existing draw die head, the utlity model has following advantage:
1, roller is to be embedded in independently on roller rolling retainer, and the quality of fit of roller and retainer is high, and during die head work, noise reduces, and draw product quality is good and stable, and draw efficiency can improve 2～3 times;
2, described housing is provided with the grease inlet of taper roll bearing; be convenient to safeguard, separated bearing and roller, in structure, prevented that bearing is subject to the pollution of the foreign material such as metal fragment; between main shaft and mould, be provided with pad with protection main shaft, the life-span of effectively having improved die head simultaneously.
Accompanying drawing explanation
Fig. 1 is the rotation forged die head overall structure sectional view for heat pipe shrinking pipe.
Fig. 2 is the integrally-built front elevation of rotation forged die head for heat pipe shrinking pipe.
Fig. 3 is the rotation forged die head overall structure exploded perspective view for heat pipe shrinking pipe.
Fig. 4 is for the main shaft of the rotation forged die head of heat pipe shrinking pipe, mould, grease separator exploded perspective view.
Fig. 5 is roller and roller rolling retainer exploded perspective view.
Fig. 6 is the rotation forged die head motion schematic diagram for heat pipe shrinking pipe.
Fig. 7 is the structural representation of front-end of spindle face groove.
Fig. 8 is the structural representation of rear pad.
Fig. 9 is the structural representation of mat (three lobes).
Shown in figure: main shaft 1, housing 2, drive end bearing bracket 3, rear end cap 4, guide cover 5, bearing tensioning nut 6, rear taper roll bearing 7, front cone roller bearing 8, tup 9, sleeve 10, locking nut 11, belt wheel 12, mat 13, roller rolling retainer 14, roller 15, mould 16, rear pad 17, grease separator 18 and draw product 19.
The specific embodiment
For understanding better the utility model, below in conjunction with accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limit so.
As Figure 1-4, a kind of rotation forged die head for heat pipe shrinking pipe, comprises main shaft 1, housing 2, belt wheel 12, sleeve 10, roller 15, roller rolling retainer 14, mat 13, rear pad 17, tup 9 and mould 16; Main shaft 1 is hollow cylindrical-shaped structure, main shaft 1 one end is connected with belt wheel 12, preferably between belt wheel 12 and main shaft 1, adopt key to be connected, belt wheel 12 use locking nuts 11 are fixed on one end of main shaft 1, main shaft 1 other end is arranged in housing 2, between main shaft 1 and housing 2, adopts respectively front cone roller bearing 8 and rear taper roll bearing 7 to be connected, and the play of two taper roll bearings adopts bearing tensioning nut 6 to regulate, assurance main shaft 1 can be resisted axial force, and freely rotates;
As shown in Figure 7, the front end of main shaft 1 is provided with end face groove, and end face groove is for to have three or four openings along circumference at the front end of main shaft 1; As shown in Figure 8, rear pad 17 is sheet parts that shape is identical with the end face groove of main shaft 1 front end face, embeds in the end face groove of main shaft 1 during installation, covers the bottom surface of main shaft 1 end face groove completely, and is connected with main shaft with bolt; As shown in Figure 9, mat 13 is the sheet parts that are converted into 120 ° or 90 °, if the end face groove of main shaft is 3 openings, mat 13 is three lobes; If the end face groove of main shaft is 4 openings, mat 13 is pintongs, during installation, in the end face groove of the front end face of mat 13 embedding main shafts 1, makes it cover the side of main shaft 1 front groove completely; Mould 16 is arranged in the end face groove of main shaft 1 front end face, and each opening of end face groove is provided with a mould, and the center of a plurality of moulds forms a cylindrical cavity; Between mould 16 and main shaft 1, it is matched in clearance; Tup 9 is installed in the outside of mould 16, and tup 9 is block stretched parts, and outside is arc surface; The periphery of the front end of main shaft 1 is provided with sleeve 10, adopts interference fit, for the protection of housing 2 between sleeve 10 and housing 2; As shown in Figure 5, the tensioning member that roller rolling retainer 14 is annular, along being circumferentially evenly arranged a plurality of blind holes, the quantity of blind hole is the multiple of mould 16, during installation, put into the annular space between sleeve 10 and main shaft 1 spindle nose external diameter, can free rotation, do not contact drive end bearing bracket 3.Roller 15 is cylindric part, embeds in the blind hole on roller rolling retainer 14, and forms matched in clearance with blind hole; Between front cone roller bearing 8 and roller 15, be provided with grease separator 18, grease separator 18 is connected with main shaft 1, for separating the grease of front cone roller bearing 8 and the grease of roller 15; Protection front cone roller bearing 8 is not subject to the pollution of outside foreign material, can effectively improve the die head life-span.
The front end of housing 2 is provided with drive end bearing bracket 3, rear end is provided with rear end cap 4, the center of drive end bearing bracket 3 is provided with guide cover 5, guide cover 5 entrances are horn-like, draw product 19 is had to good guide effect, draw product 19 stretches into from guide cover 5, and the front end that enters main shaft 1 is provided with in the cylindrical cavity that a plurality of mold center of end face groove form, in the main shaft 1 of going forward side by side hollow; On housing 2, be respectively equipped with the grease inlet of rear taper roll bearing 7 and front cone roller bearing 8, make the bearing in die head inside be easy to safeguard, increase the life-span of die head.
On the front end face of roller rolling retainer 14, sleeve 10 and mould 16, add screwed hole, be convenient to dismounting maintenance, improve the convenience of plant maintenance.The place, one end of sleeve 10 unthreaded holes adds a light grade chamfering, is convenient to be installed on housing.
While working for the rotation forged die head of heat pipe shrinking pipe, the power of external motor is delivered on main shaft 1 by belt wheel 12, makes its High Rotation Speed.Under the effect of centrifugal force, the arc surface that the end face groove opening that is embedded in main shaft 1 front end goes out tup 9 can be close between two rollers 15, the limiting condition of now opening for mould 16, and roller 15 has been delivered to power on sleeve 10; Rotation along with main shaft 1, between tup 9 and roller 15, produce and roll, tup 9 under the effect of roller 15 driven mold 16 towards the center position motion of main shaft 1, completed the gathering campaign of mould 16, until roller 15 is while touching the medium line of tup 9 arc surfaces, mould 16 has reached the limiting condition of drawing in; Main shaft 1 is rotated further, and tup 9 and mould 16 are carried the axis direction motion of main shaft 1 under the effect of centrifugal force, have completed the opening movement of mould 16, until while having two rollers 15 to touch a tup 9, mould 16 has reached the limiting condition of opening; So go round and begin again, formed mould 16 constantly open and draw in forge motion; Draw product 19 externally under the effect of mechanism along the axis feeding of main shaft 1, enter in the die cavity of the mould 16 that forges fast motion, under the effect of die cavity, completed the process of the draw.
The utility model makes draw forming efficiency high, and stock utilization is very high; The replacing of lubricating grease is convenient, and grease separator 18 makes to change not the grease of the grease of front cone roller bearing 8 use and roller 15 use frequently to be separated, and has extended widely the life-span of taper roll bearing; Rear pad 17 has been protected main shaft 1 with arranging of mat 13, has extended widely the life-span of main shaft 1.
Do not departing under the prerequisite of the utility model spirit scope, the utility model also has multiple changes and improvements, and these changes and improvements all will fall in claimed scope of the present utility model.
Claims (7)
1. for a rotation forged die head for heat pipe shrinking pipe, it is characterized in that: comprise main shaft, housing, belt wheel, sleeve, roller, roller rolling retainer, mat, rear pad, tup and mould; Main shaft is hollow cylindrical-shaped structure, and one end of main shaft is connected with belt wheel, and the other end of main shaft is arranged in housing, between main shaft and housing, adopts respectively front cone roller bearing and rear taper roll bearing to be connected; The front end of main shaft is provided with end face groove, and end face groove is for to have three or four openings along circumference at the front end of main shaft; Rear pad is the sheet parts that shape is identical with the end face groove of front-end of spindle face, embeds in the end face groove of main shaft during installation; Mat is the sheet parts that is converted into 120 ° or 90 °, and mat embeds in the end face groove of front end face of main shaft, covers the side of main shaft end face groove; Mould is arranged in the end face groove of front-end of spindle face, and each opening of end face groove is provided with a mould, and the center of a plurality of moulds forms a cylindrical cavity; It between mould and main shaft, is matched in clearance; Tup is installed in the outside of mould, and tup is block stretched parts, and the outside of tup is arc surface; The periphery of the front end of main shaft is provided with sleeve, between sleeve and housing, adopts interference fit; Roller rolling retainer is arranged on the annular space between sleeve and main shaft external diameter, is annular, along being circumferentially evenly arranged a plurality of blind holes, the multiple that the quantity of blind hole is mould; Roller is cylindric part, embeds in the blind hole on roller rolling retainer, and forms matched in clearance with blind hole; Between front cone roller bearing and roller, be provided with grease separator, grease separator is connected with main shaft, for separating the grease of front cone roller bearing and the grease of roller;
The front end of housing is provided with drive end bearing bracket, and rear end is provided with rear end cap, and the center of drive end bearing bracket is provided with guide cover, guide cover entrance is horn-like, draw product stretches into from guide cover, and the front end that enters main shaft is provided with in the cylindrical cavity that a plurality of mold center of end face groove form, in the main shaft of going forward side by side hollow.
2. according to claim 1 for the rotation forged die head of heat pipe shrinking pipe, it is characterized in that, described belt wheel adopts key to be connected with main shaft, and belt wheel is fixed on one end of main shaft with locking nut.
3. according to claim 1 for the rotation forged die head of heat pipe shrinking pipe, it is characterized in that, the play of described front cone roller bearing and rear taper roll bearing adopts bearing tensioning nut to regulate.
4. according to claim 1 for the rotation forged die head of heat pipe shrinking pipe, it is characterized in that, described rear pad is connected with main shaft with bolt.
5. according to claim 1 for the rotation forged die head of heat pipe shrinking pipe, it is characterized in that, on described housing, be respectively equipped with the grease inlet of rear taper roll bearing and front cone roller bearing.
6. according to claim 1 for the rotation forged die head of heat pipe shrinking pipe, it is characterized in that, on the front end face of roller rolling retainer, sleeve and mould, add screwed hole.
7. according to claim 6 for the rotation forged die head of heat pipe shrinking pipe, it is characterized in that, the place, one end of described sleeve unthreaded hole adds a chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538808.6U CN203448546U (en) | 2013-08-30 | 2013-08-30 | Rotary forging type die head used for shrinking heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320538808.6U CN203448546U (en) | 2013-08-30 | 2013-08-30 | Rotary forging type die head used for shrinking heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203448546U true CN203448546U (en) | 2014-02-26 |
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ID=50128450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320538808.6U Withdrawn - After Issue CN203448546U (en) | 2013-08-30 | 2013-08-30 | Rotary forging type die head used for shrinking heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203448546U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418694A (en) * | 2013-08-30 | 2013-12-04 | 华南理工大学 | Rotary forging heat pipe reducing die head |
| CN106391848A (en) * | 2016-08-31 | 2017-02-15 | 江苏金三力机械制造有限公司 | Round guide pipe arrow forming machine |
-
2013
- 2013-08-30 CN CN201320538808.6U patent/CN203448546U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103418694A (en) * | 2013-08-30 | 2013-12-04 | 华南理工大学 | Rotary forging heat pipe reducing die head |
| CN103418694B (en) * | 2013-08-30 | 2016-01-06 | 华南理工大学 | A kind of rotation forged heat pipe shrinking pipe die head |
| CN106391848A (en) * | 2016-08-31 | 2017-02-15 | 江苏金三力机械制造有限公司 | Round guide pipe arrow forming machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140226 Effective date of abandoning: 20160106 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |