CN208960646U - Torque sleeve mold for extruding and forming - Google Patents
Torque sleeve mold for extruding and forming Download PDFInfo
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- CN208960646U CN208960646U CN201821511469.1U CN201821511469U CN208960646U CN 208960646 U CN208960646 U CN 208960646U CN 201821511469 U CN201821511469 U CN 201821511469U CN 208960646 U CN208960646 U CN 208960646U
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Abstract
The utility model relates to a kind of processing mold, specifically torque sleeve mold for extruding and forming.Its feature be include pedestal, have cavity plate on the pedestal, there is vertical die hole on cavity plate.Horizontally disposed stripper plate is connected with by bracket on the pedestal, has centre bore on stripper plate, there is extruding formed punch in centre bore.The cross section for squeezing formed punch is regular polygon, and there is radial outer lug boss in the upper end, and the diameter of outer lug boss is greater than the diameter of stripper plate centre bore.The extruding formed punch and die hole are in arranged concentric, and the circumscribed circular diameter for squeezing formed punch cross section regular polygon is less than the diameter of die hole.Torque sleeve is processed using the mold, processing efficiency can be improved, reduces processing cost.
Description
Technical field
The utility model relates to a kind of processing mold, specifically torque sleeve mold for extruding and forming.
Background technique
In probing industry, torque sleeve is usually and starter, starter extension bar, starting bar match together
's.The shape of torque sleeve is tubulose, and the cross section of interior bone is usually regular polygon, as shown in Figure 1.Starter is led
It is successively threaded to drill bit extension bar, starting bar, the connecting pin periphery of both starter extension bar, starting bar is positive polygon
Shape, and torque sleeve exactly covers at the connecting pin of the two.The effect of torque sleeve is protection starting bar and starter extension bar
Torque of the drilling machine load on starting bar is passed to starter extension bar by screw thread, and starter extension bar, which delivers torque to, leads
To drill bit, to carry out drilling operation.Therefore, torque sleeve is every essential accessory of set drilling tool, is similarly vulnerable part.
The processing method of traditional torque sleeve is: one end thick-walled pipe after choosing thermally treated and sawing, outer diameter,
There are certain machining allowance for internal diameter, length；Then, turning, planar end surface are carried out to the thick-walled pipe；Finally, to thick-walled pipe
Interior bone carry out wire cutting in polyhedron or be machined in polyhedron, to obtain the torque sleeve of finished product.This processing
Method, not only inefficiency, and also equipment investment is big, and processing cost is higher.
Utility model content
Problem to be solved in the utility model is to provide a kind of torque sleeve mold for extruding and forming, processes torque using the mold
Processing efficiency can be improved in set, reduces processing cost.
To solve the above problems, taking following technical scheme:
The characteristics of torque sleeve mold for extruding and forming of the utility model be include pedestal, have cavity plate on the pedestal, on cavity plate
There is vertical die hole.Horizontally disposed stripper plate is connected with by bracket on the pedestal, there is centre bore, centre bore on stripper plate
Inside there is extruding formed punch.The cross section for squeezing formed punch is regular polygon, and there are radial outer lug boss, the diameter of outer lug boss in the upper end
Greater than the diameter of stripper plate centre bore.The extruding formed punch and die hole are in arranged concentric, and squeeze formed punch cross section regular polygon
Circumscribed circular diameter be less than die hole diameter.
Further improvement of the utility model scheme be the upper section of the die hole be extruded segment, lower section be limit section, squeeze
The diameter of section is greater than limit section diameter, and the two is in arranged concentric.When carrying out extrusion molding to torque sleeve, using limit section
The down position for limiting torque sleeve, makes torque sleeve extrusion molding completely in extruded segment.
The further improvement project of the utility model is that the lower end for squeezing formed punch is connected with longitudinal section and is
The trapezoidal centrum of waist, the diameter of centrum upper end is greater than the diameter of lower end, and the diameter of centrum upper end is equal to extruding formed punch cross section
The inscribed circle diameter of regular polygon, the height of centrum are less than the height of die hole limit section.Squeeze the vertebra of formed punch lower end integrally connected
Body was conducive at extrusion molding initial stage, and squeezing formed punch can smoothly enter in heavy wall blank to be extruded, and blank is not easy
There is torsional deformation.
Wherein, the bracket is bolt, and the quantity of bolt is no less than four, and they are evenly distributed in pedestal surrounding.
There is through-hole in the position that bolt is corresponded on the stripper plate, and bolt is respectively positioned in corresponding through-hole, on the bolt above and below through-hole
It is cased with fastening nut.
Above scheme is taken, is had the advantage that
The torque sleeve mold for extruding and forming of the utility model includes pedestal, has cavity plate on the pedestal, has on cavity plate vertical
Die hole；Horizontally disposed stripper plate is connected with by bracket on the pedestal, has centre bore on stripper plate, has extruding in centre bore
Formed punch；The cross section for squeezing formed punch is regular polygon, and there is radial outer lug boss in the upper end, and the diameter of outer lug boss is greater than de- material
The diameter of plate centre bore；The extruding formed punch and die hole are in arranged concentric, and squeeze the circumcircle of formed punch cross section regular polygon
Diameter is less than the diameter of die hole.In use, the torque sleeve mold for extruding and forming of the utility model is mounted on press machine.First
The heavy wall blank of selection is placed on the die hole of the mold, then formed punch is squeezed using press machine control and declines, by thick-walled pipe
Blank squeezes into the die hole of pedestal.At this point, the extruding formed punch that cross section is regular polygon can be by the inside of heavy wall blank
Through-hole is squeezed into regular polygon.Go up together finally, squeezing formed punch with the heavy wall blank of extrusion molding, to the position of stripper plate
When setting place, blank is limited by stripper plate cannot continue to rise, to separate on formed punch from squeezing.Later, to warp
Blank after crossing the extrusion molding carries out planar end surface, turning.Utilize the torque sleeve mold for extruding and forming of the utility model
Extrusion molding is carried out to heavy wall blank, it is easy to operate, speed is fast, it is greatly improved the processing efficiency of torque sleeve.Meanwhile with back
Scape technology is compared, and using the mold for extruding and forming, without carrying out wire cutting or machining, equipment investment is small, can effectively reduce
The processing cost of torque sleeve.
Detailed description of the invention
Fig. 1 is the cross-sectional view of torque sleeve；
Fig. 2 is the structural schematic diagram of the torque sleeve mold for extruding and forming of the utility model；
Fig. 3 is one schematic diagram of use state of the torque sleeve mold for extruding and forming of the utility model；
Fig. 4 is two schematic diagram of use state of the torque sleeve mold for extruding and forming of the utility model；
Fig. 5 is the three schematic diagram of use state of the torque sleeve mold for extruding and forming of the utility model
Specific embodiment
The utility model is described in further details below in conjunction with attached drawing.
As shown in Fig. 2, it includes pedestal 1 that the characteristics of torque sleeve mold for extruding and forming of the utility model, which is, have on the pedestal 1
Cavity plate 2 has vertical die hole 3 on cavity plate 2.Horizontally disposed stripper plate 6, stripper plate 6 are connected with by bracket on the pedestal 1
On have centre bore, have in centre bore squeeze formed punch 7.The cross section for squeezing formed punch 7 is regular polygon, and the upper end has radial
Outer lug boss 71, the diameter of outer lug boss 71 are greater than the diameter of 6 centre bore of stripper plate.The extruding formed punch 7 is in concentric cloth with die hole 3
The circumscribed circular diameter set, and squeeze 7 cross section regular polygon of formed punch is less than the diameter of die hole 3.
Wherein, the upper section of the die hole 3 is extruded segment 31, lower section is limit section 32, and the diameter of extruded segment 31 is greater than limit
32 diameters of section, and the two is in arranged concentric.When carrying out extrusion molding to torque sleeve, torque sleeve is limited using limit section 32
Down position makes torque sleeve extrusion molding completely in extruded segment 31.
The lower end for squeezing formed punch 7 is connected with the centrum 72 that longitudinal section is isosceles trapezoid, 72 upper end of centrum it is straight
Diameter is greater than the diameter of lower end, and the diameter of 72 upper end of centrum is equal to the inscribed circle diameter for squeezing 7 cross section regular polygon of formed punch, vertebra
The height of body 72 is less than the height that die hole 3 limits section 32.The centrum 72 for squeezing 7 lower end integrally connected of formed punch is conducive to be squeezed into
At shape initial stage, squeezing formed punch 7 can smoothly enter in heavy wall blank 8 to be extruded, and blank 8 is less prone to torsional deformation.
In the present embodiment, the bracket is bolt 4, and the quantity of bolt 4 is no less than four, and they are evenly distributed in bottom
1 surrounding of seat.There is through-hole in the position that bolt 4 is corresponded on the stripper plate 6, and bolt 4 is respectively positioned in corresponding through-hole, on through-hole
Under bolt 4 on be cased with fastening nut 5.
In use, the torque sleeve mold for extruding and forming of the utility model is mounted on press machine.First by the thickness of selection
Wall blank 8 is placed on the die hole 3 of the mold, as shown in Figure 3.Then, it is controlled using press machine and squeezes the decline of formed punch 7, it will be thick
Wall blank 8 squeezes into the die hole 3 of pedestal 1, as shown in Figure 4.At this point, cross section is 7 energy of extruding formed punch of regular polygon
It is enough that the interior bone of heavy wall blank 8 is squeezed into regular polygon.Finally, squeezing formed punch 7 with the heavy wall pipe of extrusion molding
Material 8 gos up together, and when at the position of stripper plate 6, blank 8 is limited by stripper plate 6 cannot continue to rise, thus from extruding
It is separated on formed punch 7, as shown in Figure 5.Later, it is being to the progress of blank 8 planar end surface, the turning after the extrusion molding
It can.Extrusion molding, easy to operate, speed are carried out to heavy wall blank using the torque sleeve mold for extruding and forming of the utility model
Fastly, it is greatly improved the processing efficiency of torque sleeve.Meanwhile compared with the background art, using the mold for extruding and forming, without carrying out
Wire cutting or machining, equipment investment is small, can effectively reduce the processing cost of torque sleeve.
Claims (4)
1. torque sleeve mold for extruding and forming, it is characterised in that including pedestal (1), have cavity plate (2) on the pedestal (1), on cavity plate (2)
There are vertical die hole (3)；It is connected with horizontally disposed stripper plate (6) on the pedestal (1) by bracket, stripper plate has on (6)
Centre bore has extruding formed punch (7) in centre bore；The cross section for squeezing formed punch (7) is regular polygon, and the upper end has radial
Outer lug boss (71), the diameter of outer lug boss (71) are greater than the diameter of stripper plate (6) centre bore；The extruding formed punch (7) and die hole (3)
In arranged concentric, and the circumscribed circular diameter for squeezing formed punch (7) cross section regular polygon is less than the diameter of die hole (3).
2. torque sleeve mold for extruding and forming as described in claim 1, it is characterised in that the upper section of the die hole (3) is extruded segment
(31), lower section is limit section (32), and the diameter of extruded segment (31) is greater than limit section (32) diameter, and the two is in arranged concentric.
3. torque sleeve mold for extruding and forming as claimed in claim 2, it is characterised in that the lower end one for squeezing formed punch (7)
It is connected with the centrum (72) that longitudinal section is isosceles trapezoid, the diameter of centrum (72) upper end is greater than the diameter of lower end, and centrum (72)
The diameter of upper end is equal to the inscribed circle diameter for squeezing formed punch (7) cross section regular polygon, and the height of centrum (72) is less than die hole (3)
Limit the height of section (32).
4. torque sleeve mold for extruding and forming as claimed any one in claims 1 to 3, it is characterised in that the bracket is bolt
(4), the quantity of bolt (4) is no less than four, and they are evenly distributed in pedestal (1) surrounding；It is corresponding on the stripper plate (6)
There is through-hole in the position of bolt (4), and bolt (4) is respectively positioned in corresponding through-hole, is cased on the bolt (4) above and below through-hole tight
Gu nut (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821511469.1U CN208960646U (en) | 2018-09-19 | 2018-09-19 | Torque sleeve mold for extruding and forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821511469.1U CN208960646U (en) | 2018-09-19 | 2018-09-19 | Torque sleeve mold for extruding and forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208960646U true CN208960646U (en) | 2019-06-11 |
Family
ID=66755130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821511469.1U Active CN208960646U (en) | 2018-09-19 | 2018-09-19 | Torque sleeve mold for extruding and forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208960646U (en) |
-
2018
- 2018-09-19 CN CN201821511469.1U patent/CN208960646U/en active Active
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