CN109604361A - A kind of tooling for unlubricated extruding tubing - Google Patents
A kind of tooling for unlubricated extruding tubing Download PDFInfo
- Publication number
- CN109604361A CN109604361A CN201811613521.9A CN201811613521A CN109604361A CN 109604361 A CN109604361 A CN 109604361A CN 201811613521 A CN201811613521 A CN 201811613521A CN 109604361 A CN109604361 A CN 109604361A
- Authority
- CN
- China
- Prior art keywords
- needle
- rear end
- unlubricated
- tooling
- needle rear
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/085—Making tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C26/00—Rams or plungers; Discs therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of for the unlubricated tooling for squeezing tubing, it is arranged including needle rear end and with preset diameters, to be supported with the coaxially connected needle in needle rear end, needle rear end is supported by needle and is connect with power pair cylinder, and needle bearing is connect by the taper thread of pre-set dimension with needle rear end.Above-mentioned tooling can realize unlubricated extruding on the basis of no pollution, and the quality of profile inner surface not only can be improved, and needle rear end intensity can be improved, so as to reduce needle rear end broken needle rate, to improve profile production efficiency.
Description
Technical field
It is the present invention relates to extrusion forming technology field, in particular to a kind of for the unlubricated tooling for squeezing tubing.
Background technique
The ingot blank one end application pressure referred to being placed in extrusion cylinder is squeezed, is run through die hole to realize molding one kind
Pressure processing method.
2500T the extruder maximum tool of stress i.e. the lesser needle branch of size opposite outside diameter during squeezing tubing
It holds, needle rear end and needle front end.Fig. 1 and Fig. 2 are please referred to, Fig. 1 is to squeeze assembling schematic diagram in the prior art；After Fig. 2 is needle in Fig. 1
The assembling schematic diagram at end and needle bearing.In general, with needle rear end 02 to will do it graphite glossy for needle front end 01 in process of production
Sliding, so as to reduce the frictional force of needle front end 01 Yu needle rear end 02, needle front end 01 is moistened with the smearing graphite oil of needle rear end 02
Sliding to squeeze, although the stress of tool can be reduced, in extrusion process, graphite oil can generate exhaust gas in the case of a high temperature,
Air pollution is caused, and profile inner surface has graphite greasy dirt, seriously affect seamless tubular goods inner surface quality, and needed subsequent
Multiple working procedure carries out erosion and washes, and can just dispose internal surface of pipe greasy dirt, production efficiency is substantially reduced.However, in profile inner surface
It is required that can also use unlubricated extruding in the case where relatively stringent, when using unlubricated extruding, it be easy to cause needle rear end 02 and needle branch
The screw position for holding 03 connection is broken, the phenomenon that so as to cause 02 broken needle of needle rear end, according to statistics, 20 left sides of every annual meeting broken needle
The right side materially increases extruding cost in this way, meanwhile, the squeezing needle production cycle does not catch up with, and seriously affects production efficiency.
Therefore, how to avoid causing to influence production efficiency due to the unlubricated broken needle phenomenon for squeezing tubing, be this field
The current technical issues that need to address of technical staff.
Summary of the invention
The object of the present invention is to provide it is a kind of for it is unlubricated squeeze tubing tooling, the tooling can solve avoid due to
The unlubricated broken needle phenomenon for squeezing tubing and lead to the problem of influencing production efficiency, which can be real on the basis of no pollution
Existing unlubricated extruding, and needle rear end intensity can be improved, so as to reduce needle rear end broken needle rate, to improve production efficiency.
To achieve the above object, the present invention provide it is a kind of for it is unlubricated squeeze tubing tooling, including needle rear end and
It is arranged with preset diameters, to be supported with the coaxially connected needle in the needle rear end, the needle rear end is supported and moved by the needle
The connection of power pair cylinder, and needle bearing is connect by the taper thread of pre-set dimension with the needle rear end.
Preferably, one end of the needle rear end is equipped with to preset nominal diameter, default screw pitch and the setting of default cone angle
One end of outer cone thread, the needle bearing is equipped with the inside tapered thread to be cooperatively connected with the outer cone thread.
It preferably, further include the front side for being set to the needle rear end, to the needle front end coaxially connected with the needle rear end, and
The needle front end is connect by the first straight thread with the needle rear end.
Preferably, the needle bearing is connect by the second straight thread with power pair cylinder.
Preferably, the needle rear end includes the first connecting pin and the to connect with first connecting pin second connection
End, and first connecting pin is removably attachable to the second connection end.
Preferably, further include the extruding axis connecting with power master cylinder, to transmit extruding force and along the extruding axis
It axially opens up, with so that the needle supports the inner cavity worn with the needle rear end.
Preferably, the needle bearing is cooperatively connected by annular copper sheathing and the extruding axis.
Relative to above-mentioned background technique, the present invention is required for the different of profile extrusion, is devised a kind of for unlubricated
Squeeze the tooling of tubing.Since needle bearing, needle rear end and needle front end are all with the connection of straight grain thread connecting mode, and in gold
Belong under solid-state flow regime and gravity state, needle rear end will appear dancing, lead to the spiral shell of needle rear end Yu needle support connection
Line position is easily broken off.By Strength co-mputation, it is the Gewindefreistiche position connecting with needle rear end that needle, which supports at easy fracture, most
Big stress is 450 tons；And at the easy fracture of needle rear end it is the Gewindefreistiche position with needle support connection, maximum weighted is 250
Ton；In unlubricated extrusion process, needle bearing and needle rear end are by left and right positive pressure, when forward extrusion power is more than 250 tons
When, needle rear end is easy for being broken, therefore, necessary using a kind of tooling that can reduce needle rear end broken needle rate.
Specifically, above-mentioned for the unlubricated tooling for squeezing tubing includes that needle rear end and needle support, wherein needle bearing with
Preset diameters setting, needle bearing is coaxially connected with needle rear end, and needle rear end is supported by needle and connect with power pair cylinder, can incite somebody to action in this way
The movement of power pair cylinder and power are transferred to needle rear end for its Forward, and needle bearing passes through the taper thread and needle of pre-set dimension
Rear end connection.Relative to the connection of traditional needle bearing and needle rear end, such set-up mode can be on the basis of no pollution
It realizes unlubricated extruding, the quality of profile inner surface not only can be improved, and needle rear end intensity can be improved, so as to drop
Low needle rear end broken needle rate, to improve profile production efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is to squeeze assembling schematic diagram in the prior art；
Fig. 2 is the assembling schematic diagram of needle rear end and needle bearing in Fig. 1；
Fig. 3 is the needle rear end of the unlubricated tooling for squeezing tubing of one kind provided by the embodiment of the present invention and the dress of needle bearing
With schematic diagram.
Wherein:
2- needle rear end, 21- outer cone thread, the bearing of 3- needle, 31- inside tapered thread.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the invention be to provide it is a kind of for it is unlubricated squeeze tubing tooling, the tooling can solve avoid due to
The unlubricated broken needle phenomenon for squeezing tubing and lead to the problem of influencing production efficiency, which can be real on the basis of no pollution
Existing unlubricated extruding, and needle rear end intensity can be improved, so as to reduce needle rear end broken needle rate, to improve production efficiency.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawing and it is embodied
The present invention is described in further detail for mode.
It should be noted that be all based on specification attached for the nouns of locality such as " upper end, lower end, left side, right side " described below
Defined in figure.
Referring to FIG. 3, Fig. 3 be the embodiment of the present invention provided by one kind it is unlubricated squeeze tubing tooling needle rear end and
The assembling schematic diagram of needle bearing.
For the unlubricated tooling for squeezing tubing, including squeezing needle and extrusion cylinder provided by the embodiment of the present invention, wherein
Squeezing needle includes needle front end (needle point) and needle rear end 2, and metal hollow ingot casting is moved horizontally to extrusion cylinder under the action of motive force
In, further, under the action of extruding force, cast metals after heating with solid flow regime by needle front end (needle point) with
The internal diameter of the formation of needle rear end 2 mental section.
In addition, extrusion tooling further includes pipe die and die support, wherein pipe die is placed in die support, and die support is used to mention
For supporting role；When needle front end is moved to pipe die work band part, the size of pipe die inner hole is used to be formed the outer diameter of mental section
Size.
Needle rear end 2 is connect by needle bearing 3 with power pair cylinder, that is to say, that is set between needle rear end 2 and power pair cylinder
Needle bearing 3 is set, and needle bearing 3 is coaxially connected with needle rear end 2, it in this way can be by the movement of power pair cylinder and power through needle branch
It holds 3 and is smoothly transferred to needle rear end 2 and needle front end, to realize the extrusion forming of profile.
Since in entire extrusion process, the maximum component of stress is after the lesser needle of size opposite outside diameter supports 3, needle
End 2 and needle front end, wherein pass through force analysis, needle bearing 3 and needle rear end 2 are by left and right side positive pressure, certainly,
Needle rear end 2 also will receive the shear force from mental section；The broken needle phenomenon of needle rear end 2 in order to prevent, on the one hand, by needle
Bearing 3 is arranged with preset diameters, and on the other hand, needle bearing 3 is connect by the taper thread of pre-set dimension with needle rear end 2.
In embodiments of the present invention, can one end of needle rear end 2 be arranged outer cone thread 21, and the outer cone thread 21 with
Default nominal diameter, default screw pitch and the setting of default cone angle；Correspondingly, inside tapered thread can be set in one end that needle supports 3
Hole, the inside tapered thread hole are opened up along the axial direction of needle bearing 3, and the side wall in inside tapered thread hole is equipped with inside tapered thread 31, have outer cone spiral shell
The needle rear end 2 of line 21 can screw in the bearing of the needle with inside tapered thread 31 3, thus realize the mating connection of the two, herein,
The inside tapered thread 31 in inside tapered thread hole has default nominal diameter identical with outer cone thread 21, default screw pitch and default cone
Angle.
Certainly, progress is needed correspondingly according to the extrusion tooling of different model, needle rear end 2 and the connection screw thread of needle bearing 3
Adjustment, for example, in 2500T extruder, for the needle rear end having a size of Φ 100 × 1030 or so and having a size of Φ 130 ×
The taper thread of 1750 or so needle bearing, needle rear end and needle support connection may be sized to M85 × 4 or so, and taper
It is 10 ° or so.
Herein, the diameter of needle bearing 3 is further increased, and taper thread connection can integrally improve the stress of screw thread
Intensity, by Strength co-mputation, it is in copper sheathing annular groove that needle, which supports 3 most weakness, and the maximum forward extruding force of needle bearing 3 can achieve
415 tons or so；The most weakness of needle rear end 2 is thread root withdrawing groove location, and the maximum forward extruding force of needle rear end 2 is up to 400
Ton or so.Therefore, in extrusion process, forward extrusion power is more than 400 tons or so the fractures that just will lead to needle rear end 2, so i.e.
The intensity of needle rear end 2 can be improved, so as to reduce the broken needle rate of needle rear end 2, to improve profile production efficiency.
Specifically, needle front end can be set in the forward position of needle rear end 2, after needle front end is by the first straight thread and needle
2 connection of end；Needle bearing 3 is set to the rearward position of needle rear end 2, and needle bearing 3 is connected by taper thread and the needle bearing 3 of pre-set dimension
It connects；And needle bearing 3 is connect by the second straight thread with power pair cylinder, and needle front end, needle rear end 2 and needle 3 threes of bearing are coaxial
The movement for squeezing mechanomotive force pair cylinder and power can be supported 3 smooth transfers to needle rear end 2 and needle front end through needle in this way by setting.
In order to optimize above-described embodiment, needle rear end 2 includes the first connecting pin and second connection end, and the first connecting pin is removable
It is connected to second connection end with unloading, since under unlubricated squeezed state, the stress of needle rear end 2 be will increase, such set-up mode,
Once the first connecting pin occur damaging perhaps need repairing replacement or second connection end occur damaging or need repairing more
It changes, the other end can be retained, so as to improve stock utilization to a certain extent, with save the cost；Certainly, according to reality
It needs, the set-up mode that the structure of needle rear end 2 can also have other different, for example, needle rear end 2 or integral structure.
On the basis of the above, above-mentioned tooling further includes squeezing axis, and the power master cylinder for squeezing axis and extruder connects, specifically
It says, squeezing axis can be connected by the power master cylinder front end of clip form and extruder, in this way can be in the power master of extruder
The back-and-forth motion for squeezing axis is realized under the driving of cylinder, so as to provide principal pressure in extrusion process.
It is equipped in addition, squeezing axis along the inner cavity that the axial direction for squeezing axis opens up, needle bearing 3 can be arranged in crowded with needle rear end 2
It in the inner cavity of last item, and can be moved forward and backward with opposing compression axis, to realize squeezing needle in the case where squeezing the driving of mechanomotive force pair cylinder
Forward positioning.
In order to slow down needle bearing 3 with squeeze axis intracavity sidewall abrasion, with improve needle bearing 3 with squeeze axis use the longevity
Life, needle bearing 3 can be cooperatively connected by annular copper sheathing and extruding axis.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
It is described in detail above to provided by the present invention for the unlubricated tooling for squeezing tubing.It is used herein
A specific example illustrates the principle and implementation of the invention, and the above embodiments are only used to help understand
Method and its core concept of the invention.It should be pointed out that for those skilled in the art, not departing from this
, can be with several improvements and modifications are made to the present invention under the premise of inventive principle, these improvement and modification also fall into the present invention
In scope of protection of the claims.
Claims (7)
1. a kind of for the unlubricated tooling for squeezing tubing, which is characterized in that set including needle rear end (2) and with preset diameters
It sets, to the needle bearing (3) coaxially connected with the needle rear end (2), the needle rear end (2) is by needle bearing (3) and moves
The connection of power pair cylinder, and needle bearing (3) is connect by the taper thread of pre-set dimension with the needle rear end (2).
2. according to claim 1 for the unlubricated tooling for squeezing tubing, which is characterized in that the needle rear end (2)
One end is equipped with to preset the outer cone thread (21) of nominal diameter, default screw pitch and the setting of default cone angle, the needle bearing (3)
One end is equipped with the inside tapered thread (31) to be cooperatively connected with the outer cone thread (21).
3. according to claim 2 for the unlubricated tooling for squeezing tubing, which is characterized in that further include being set to the needle
The front side of rear end (2), to the needle front end coaxially connected with the needle rear end (2), and the needle front end passes through the first straight thread
It is connect with the needle rear end (2).
4. according to claim 3 for the unlubricated tooling for squeezing tubing, which is characterized in that the needle bearing (3) is logical
The second straight thread is crossed to connect with power pair cylinder.
5. according to any one of claims 1 to 4 for the unlubricated tooling for squeezing tubing, which is characterized in that the needle
Rear end (2) includes the first connecting pin and the second connection end to connect with first connecting pin, and described first connects
End is removably attachable to the second connection end.
6. according to claim 5 for the unlubricated tooling for squeezing tubing, which is characterized in that further include and power master cylinder
Connection, the extruding axis to transmit extruding force and the axial direction along the extruding axis open up, with for needle bearing (3) and institute
State the inner cavity that needle rear end (2) is worn.
7. according to claim 6 for the unlubricated tooling for squeezing tubing, which is characterized in that the needle bearing (3) is logical
It crosses annular copper sheathing and the extruding axis is cooperatively connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613521.9A CN109604361A (en) | 2018-12-27 | 2018-12-27 | A kind of tooling for unlubricated extruding tubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811613521.9A CN109604361A (en) | 2018-12-27 | 2018-12-27 | A kind of tooling for unlubricated extruding tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109604361A true CN109604361A (en) | 2019-04-12 |
Family
ID=66013010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811613521.9A Pending CN109604361A (en) | 2018-12-27 | 2018-12-27 | A kind of tooling for unlubricated extruding tubing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109604361A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1454726A (en) * | 2002-04-30 | 2003-11-12 | 机械工业部西安重型机械研究所 | Double-acting extruding machine punching control system |
| CN202219273U (en) * | 2011-08-10 | 2012-05-16 | 浙江科宇金属材料有限公司 | Needle type punching device of extruder |
| CN202270753U (en) * | 2011-10-25 | 2012-06-13 | 邹平县长山型材有限公司 | Seamless tube forming device |
| CN102921754A (en) * | 2012-11-14 | 2013-02-13 | 广东伟业铝厂有限公司 | Producing method of aluminum alloy seamless stage variable section pipe and preparation device |
| CN208033319U (en) * | 2017-12-20 | 2018-11-02 | 西南铝业（集团）有限责任公司 | A kind of squeezing needle |
| CN209318462U (en) * | 2018-12-27 | 2019-08-30 | 西南铝业（集团）有限责任公司 | A kind of tooling for unlubricated extruding tubing |
-
2018
- 2018-12-27 CN CN201811613521.9A patent/CN109604361A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1454726A (en) * | 2002-04-30 | 2003-11-12 | 机械工业部西安重型机械研究所 | Double-acting extruding machine punching control system |
| CN202219273U (en) * | 2011-08-10 | 2012-05-16 | 浙江科宇金属材料有限公司 | Needle type punching device of extruder |
| CN202270753U (en) * | 2011-10-25 | 2012-06-13 | 邹平县长山型材有限公司 | Seamless tube forming device |
| CN102921754A (en) * | 2012-11-14 | 2013-02-13 | 广东伟业铝厂有限公司 | Producing method of aluminum alloy seamless stage variable section pipe and preparation device |
| CN208033319U (en) * | 2017-12-20 | 2018-11-02 | 西南铝业（集团）有限责任公司 | A kind of squeezing needle |
| CN209318462U (en) * | 2018-12-27 | 2019-08-30 | 西南铝业（集团）有限责任公司 | A kind of tooling for unlubricated extruding tubing |
Non-Patent Citations (2)
| Title |
|---|
| 刘静安: "《轻合金挤压工模具手册》", 31 January 2010, 冶金工业出版社 * |
| 魏长传等: "《铝合金管、棒、线材生产技术》", 31 March 2013, 冶金工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209318462U (en) | A kind of tooling for unlubricated extruding tubing | |
| CN202045179U (en) | Drawing mould core structure for drawing steel cord at high speed | |
| CN108787777A (en) | A kind of band hinders the aluminum alloy heat extrusion die at angle | |
| CN109604361A (en) | A kind of tooling for unlubricated extruding tubing | |
| CN212442620U (en) | Extrusion needle for seamless pipe | |
| CN107931380A (en) | Punching press swan neck system | |
| CN201635672U (en) | Special hoop for anti-wear sheath of sleeve | |
| CN209452936U (en) | Big L/D ratio internal screw thread wire drawing chip removal structure | |
| CN201082438Y (en) | Drafting core head for hollow metal tube | |
| CN201227664Y (en) | Metal drawing mould | |
| CN203437440U (en) | Seamless square tube extrusion die | |
| CN207695347U (en) | A kind of special-shaped plug die of novel internal thread forming machine | |
| CN202137188U (en) | Mandrel connection assembly structure | |
| CN206483822U (en) | One kind is used for seamless aluminium tubing and extrudes needle head structure | |
| CN202398756U (en) | Cold header | |
| CN219985762U (en) | Follow-up extrusion tooling for seamless pipe | |
| CN106345836B (en) | A kind of extrusion die and method of seamless tubular goods | |
| CN108994103A (en) | A kind of aluminium alloy seamless profile shapes backward double-acting pressurizing unit and production method | |
| CN212419136U (en) | Three-section type continuous drawing die for beryllium copper bar | |
| CN206643234U (en) | A kind of new tube expander | |
| CN201308944Y (en) | Tube end sizing and flaring die | |
| CN217798138U (en) | Double acting extruder punch pin device | |
| CN206305214U (en) | A kind of wire drawing die | |
| CN204396825U (en) | A kind of pipe die forging | |
| CN2328499Y (en) | Novel rimmer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |
|
| RJ01 | Rejection of invention patent application after publication |