CN104454897A - Large extruding machine and extruding device thereof - Google Patents
Large extruding machine and extruding device thereof Download PDFInfo
- Publication number
- CN104454897A CN104454897A CN201410698701.7A CN201410698701A CN104454897A CN 104454897 A CN104454897 A CN 104454897A CN 201410698701 A CN201410698701 A CN 201410698701A CN 104454897 A CN104454897 A CN 104454897A
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- China
- Prior art keywords
- extrusion
- body cap
- locking back
- locking
- connecting rod
- 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
- 238000001125 extrusion Methods 0.000 claims description 88
- 238000012856 packing Methods 0.000 claims description 26
- 238000010276 construction Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 3
- 230000003116 impacting effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- B21C23/21—Presses specially adapted for extruding metal
-
- 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
- B21C23/21—Presses specially adapted for extruding metal
- B21C23/212—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention discloses an extruding device of a large extruding machine. The extruding device comprises a fixing extruding cushion (1), an extruding shaft (2) and a connecting pull rod (3). The connecting pull rod (3) is sleeved with the extruding shaft (2), and one end of the connecting pull rod (3) is connected in the fixing extruding cushion (1) in contact with the extruding shaft (2). The extruding device further comprises locking back caps (5), wherein the peripheries of the locking back caps (5) are of a sealed structure. The other end of the connecting pull rod (3) is in threaded connection with the locking back caps (5), the number of the locking back caps (5) with end faces in mutual contact is at least two, and one locking back cap (5) is in contact with the extruding shaft (2). The extruding device can improve the capability of the locking back caps (5) for holding the connecting pull rod (3) and reduce the machining cost of the locking back caps (5). The invention further discloses the large extruding machine including the extruding device.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of extrusion equipment for large-size extruder.In addition, the invention still further relates to a kind of large-size extruder comprising above-mentioned extrusion equipment.
Background technique
In extrusion press, particularly in large-size extruder, extrusion equipment is all its indispensable part.Wherein, large-size extruder is 5000 tons and above extrusion press.
Respectively as shown in Figure 1, Figure 2 and Figure 3, Fig. 1 is the cross-sectional schematic of fixation extrusion pad 1, and Fig. 2 is the schematic top plan view of cylinder lever connecting rod 3, and Fig. 3 is the cross-sectional schematic of extrusion axis 2 for existing large-size extruder fixation extrusion pad 1, cylinder lever connecting rod 3 and extrusion axis 2.During work, cylinder lever connecting rod 3 overcoat extrusion axis 2, cylinder lever connecting rod 3 one end contacts with fixation extrusion pad 1, adopt hydraulic equipment by locking back of the body cap 5 and being threaded on cylinder lever connecting rod 3, locking the back of the body cap 5 cross-sectional schematic as shown in Figure 4, and locking the back of the body cap 5 along A-A face in Fig. 4 cross-sectional schematic as shown in Figure 5.Hydraulic equipment is pressed pusher to be dynamically connected pull bar 3, fixation extrusion pad 1 and extrusion axis 2 are tightly fit together, then locking back of the body cap 5 is screwed into position, contact with extrusion axis 2 to make locking back of the body cap 5.Locking is carried on the back between the internal thread of cap 5 and cylindrical and is had the wide gap of about 5mm as can be seen from Figure 4, is processed with through screw, utilizes connecting bolt to pass screw and tighten connecting bolt on the both sides in gap, carries on the back cap 5 hold cylinder lever connecting rod 3 tightly to make locking.Utilize the handling hole rotational lock back of the body cap 5 on locking back of the body cap 5, then cylinder lever connecting rod 3 is driven, cylinder lever connecting rod 3 one end is just together with the screw-internal thread fit of fixation extrusion pad 1, thus fixation extrusion pad 1 is when working, locking back of the body cap 5 is just held tightly with cylinder lever connecting rod 3 by connecting bolt, prevents from locking back of the body cap 5 loosening after stressed.
But in the using process of extrusion equipment, can locking back of the body cap be held cylinder lever connecting rod tightly and depend on the connecting bolt connecting locking back of the body cap gap when working stressed, but connecting bolt is general less, and bearing capacity is limited; Simultaneously because have gap above locking back of the body cap, lock back of the body cap processed complex and high cost.
Therefore, how to improve locking the back of the body cap hold tightly cylinder lever connecting rod ability and reduce locking the back of the body cap processing cost be the current technical issues that need to address of those skilled in the art.
Summary of the invention
The object of this invention is to provide a kind of extrusion equipment of large-size extruder, this extrusion equipment can improve the ability that cylinder lever connecting rod held tightly by locking back of the body cap, reduces the processing cost of locking back of the body cap.Another object of the present invention is to provide a kind of large-size extruder comprising above-mentioned extrusion equipment.
For solving the problems of the technologies described above, the invention provides a kind of extrusion equipment of large-size extruder, comprise fixation extrusion pad, extrusion axis and cylinder lever connecting rod, extrusion axis described in described cylinder lever connecting rod overcoat, described cylinder lever connecting rod one end is connected in the described fixation extrusion pad contacted with described extrusion axis, also comprises locking back of the body cap:
The periphery of described locking back of the body cap is enclosed construction;
The described cylinder lever connecting rod the other end is carried on the back cap thread be connected with described locking, the described locking back of the body cap having at least two end faces to contact with each other, and wherein locking back of the body cap described in contacts with described extrusion axis.
Preferably, described extrusion axis end has counterbore, and is provided with stressed packing ring in described counterbore, described stressed packing ring and described lock carry on the back cap flat face touch.
Preferably, the center line of described counterbore is same as the center line of the through hole of the described extrusion axis matched with described cylinder lever connecting rod.
Preferably, described locking back of the body cap is specially two.
Preferably, longitudinal center's line position of described locking back of the body cap periphery is evenly distributed with handling hole.
Preferably, described handling hole is specially 3.
Preferably, described handling hole is specially screw handling hole.
Preferably, the outside thread tool withdrawal groove place of described cylinder lever connecting rod is processed with through hole.
The present invention also provides a kind of large-size extruder, comprises the extrusion equipment described in above-mentioned any one.
The periphery of locking back of the body cap provided by the invention is closed, then between its internal thread to cylindrical without gap, also just with less than the connecting bolt connecting gap, when its work is stressed, the ability to bear of connecting bolt also no longer includes locking back of the body cap affects and limits.Locking back of the body cap without processing gap, then makes that the processing of locking back of the body cap is simple, cost reduces, more trends towards standardization and more easily change substituting.The locking back of the body cap simultaneously having at least two end faces to contact with each other, one of them locking back of the body cap contacts with extrusion axis, cap is carried on the back in the locking that extrusion axis promotes to contact with it, all the other locking back of the body caps stop that it moves, then by the interaction between locking back of the body cap, avoid locking back of the body cap loosening relative to cylinder lever connecting rod, thus substantially increase the ability that cylinder lever connecting rod held tightly by locking back of the body cap.
In a preferred embodiment, extrusion axis end has counterbore, and is provided with stressed packing ring in counterbore, and stressed packing ring and locking are carried on the back cap flat face and touched.Stressed packing ring is arranged in counterbore, do not take the space except extrusion axis, during work, locking back of the body cap contacts with stressed packing ring, locking back of the body cap puts on stressed packing ring in power, then stressed packing ring returns to locking back of the body cap with power, and when working stressed, locking back of the body cap is owing to there being the effect of stressed packing ring impacting force, locking back of the body cap not easily rotates, then locking back of the body cap more easily locks cylinder lever connecting rod.And at stressed packing ring power passed in the process of locking back of the body cap, locking back of the body cap touches with stressed packing ring flat face, then make locking carry on the back the stressed of cap evenly, thus add the working life that cap is carried on the back in locking.
Present invention also offers a kind of large-size extruder with above-mentioned extrusion equipment, because above-mentioned extrusion equipment has above-mentioned technique effect, above-mentioned large-size extruder also should have same technique effect, introduces no longer in detail at this.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of fixation extrusion pad of the prior art;
Fig. 2 is the schematic top plan view of cylinder lever connecting rod of the prior art;
Fig. 3 is the cross-sectional schematic of extrusion axis of the prior art;
Fig. 4 is the cross-sectional schematic of locking back of the body cap of the prior art;
Fig. 5 is the cross-sectional schematic in A-A face in locking back of the body shade Fig. 4 of the prior art;
The schematic top plan view of the locking back of the body cap that Fig. 6 provides for embodiment in the present invention;
The cross-sectional schematic of the locking back of the body cap that Fig. 7 provides for embodiment in the present invention;
The stressed packing ring cross-sectional schematic that Fig. 8 provides for embodiment in the present invention;
The cross-sectional schematic of the extrusion axis that Fig. 9 provides for embodiment in the present invention;
Figure 10 is the assembling schematic diagram of extrusion equipment of the present invention.
Embodiment
Core of the present invention is to provide a kind of extrusion equipment of large-size extruder, and this extrusion equipment can significantly improve the ability that cylinder lever connecting rod held tightly by locking back of the body cap, reduces the processing cost of locking back of the body cap.Another core of the present invention is to provide a kind of large-size extruder comprising above-mentioned extrusion equipment.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiments provide a kind of extrusion equipment of large-size extruder, comprise fixation extrusion pad, extrusion axis and cylinder lever connecting rod, cylinder lever connecting rod overcoat extrusion axis, cylinder lever connecting rod one end is connected in the fixation extrusion pad contacted with extrusion axis, also comprises locking back of the body cap: the periphery of locking back of the body cap is enclosed construction; The cylinder lever connecting rod the other end is carried on the back cap thread with locking and is connected, the locking back of the body cap having at least two end faces to contact with each other, and wherein a locking back of the body cap contacts with extrusion axis.
Its locking back of the body cap periphery of the extrusion equipment that the embodiment of the present invention provides is closed, that is between internal thread to cylindrical without gap, then just do not need to use the connecting bolt connecting gap, namely the size of connecting bolt carries on the back the lock ability of cap also again without impact to locking.Need not reprocess gap between the internal thread of locking back of the body cap and cylindrical, then what make the processing of locking back of the body cap become is more convenient, and more trends towards standardization.Have at least two to lock inter-working between back of the body cap, the ability making locking back of the body cap hold cylinder lever connecting rod tightly further strengthens.
The schematic top plan view of the locking back of the body cap 5 that Fig. 6 provides for embodiment in the present invention, the cross-sectional schematic of the locking back of the body cap 5 that Fig. 7 provides for embodiment in the present invention.Can to find out between locking back of the body cap 5 excircle to internal whorl without processing gap from Fig. 6 and Fig. 7, make processing more convenient and saved processing cost, also making locking back of the body cap 5 more trend towards standardization simultaneously, and be easy to change and substitute.
In a preferred embodiment, the cross-sectional schematic of the extrusion axis 2 that Fig. 9 provides for embodiment in the present invention, counterbore 8 is had as can be seen from Figure 9 in the end of extrusion axis 2, stressed packing ring 4 is installed in counterbore 8, the cross-sectional schematic of the stressed packing ring 4 that Fig. 8 provides for embodiment in the present invention, in the counterbore 8 of the end of extrusion axis 2, stressed packing ring 4 is installed, do not take the space except extrusion axis like this, thus can also by the effect of stressed packing ring 4, make to be arranged on locking back of the body cap 5 on cylinder lever connecting rod stressed evenly, and stressed packing ring 4 can give locking back of the body cap 5 with the effect of impacting force, locking is made to carry on the back the flank of tooth of internal thread and the externally threaded flank of tooth pressing of cylinder lever connecting rod 3 of cap 5, thus it is easier to make locking back of the body cap 5 lock.
Can to be specially its center line identical with the center line of the through hole of extrusion axis 2 in the position of offering of above-mentioned counterbore 8, cylinder lever connecting rod 3 is equipped with in above-mentioned through hole, the neutral position of the neutral position of stressed packing ring 4 and locking back of the body cap 5 can be made like this to contact, make stressed more even each other.
Figure 10 is the assembling schematic diagram of extrusion equipment of the present invention.As can be seen from Figure 10, fixation extrusion pad 1 right-hand member is connected with cylinder lever connecting rod 3, and its right side contacts with the end face of extrusion axis 2, extrusion axis 2 right part has counterbore 8, and the center line of counterbore 8 is identical with the through hole center line of extrusion axis 2, stressed packing ring 4 is placed in counterbore 8, and cylinder lever connecting rod 3 right-hand member has been threaded and has locked back of the body cap 5, and wherein a locking back of the body cap 5 contacts with above-mentioned stressed packing ring 4.Locking back of the body cap 5 is herein specifically as follows between two the locking back of the body 5, two, cap locking back of the body caps 5 and can interacts.During work, after two locking back of the body caps 5 are connected, two locking back of the body cap 5 end faces contact with each other, and the locking on left side back of the body cap 5 extrudes stressed packing ring 4, stressed packing ring 4 has an impacting force to locking back of the body cap 5 simultaneously, when working stressed, namely complete pressing material backhaul is extruded at extrusion axis 2, on fixation extrusion pad 1 metal and extruding defective material between cohesive force effect time, cylinder lever connecting rod 3 can be subject to a power left, then locking back of the body cap 5 is subject to the right relative to cylinder lever connecting rod 3 active force, locking due to the left side is carried on the back cap 5 and is compressed by stressed packing ring 4 and blocked by another locking back of the body cap 5 on the right of it, then the locking back of the body cap 5 on the left side just not easily loosens, the locking back of the body cap 5 on the right also just not easily loosens simultaneously.Certain locking back of the body cap 5 herein is not defined as two locking back of the body caps 5, carries on the back cap 5 fit on cylinder lever connecting rod 3 and the assembling not affecting other parts as long as can realize locking, and the locking back of the body cap 5 of other quantity is also fine.Above-mentioned left and right directions is the position relationship in Figure 10.
Locking can be made to carry on the back cap 5 by vibrational power flow above to hold cylinder lever connecting rod 3 tightly and be more prone to, and locking back of the body cap 5 processes simple and cost is lower.Simultaneously because the effect of stressed packing ring 4 makes locking carry on the back the stressed more even of cap 5, add the working life of locking back of the body cap 5, structure is simply locked back of the body cap 5 and is easier to change or substitute simultaneously, and more standardization.Because this locking back of the body cap 5 is without processing gap, then locking back of the body cap 5 is easier to handling.
Simultaneously, it can also be seen that from Fig. 6 and Fig. 7, locking back of the body cap 5 has handling hole 6 above, and handling hole 6 to be evenly arranged at longitudinal center's line position of excircle of locking back of the body cap 5 be 3, longitudinal direction is herein the axis of locking back of the body cap 5, is not certainly also defined as the position of center line of excircle and does not limit and be specially 3.Handling hole 6 herein can be specially screw handling hole, is certainly also not limited to screw handling hole.The excircle of locking back of the body cap 5 is furnished with handling hole 6, by handling hole 6 rotational lock back of the body cap 5 very easily, locking can be made to carry on the back cap 5 and drive cylinder lever connecting rod 3, thus make the screw thread on cylinder lever connecting rod 3 left side together with the screw-internal thread fit of fixation extrusion pad 1.
It can also be seen that from Figure 10 and be processed with through hole 7 at the outside thread tool withdrawal groove of cylinder lever connecting rod 3, although be processed with through hole 7 to reduce this part intensity of cylinder lever connecting rod 3, cylinder lever connecting rod 3 and fixation extrusion pad 1 can be made to assemble easier.And hydraulic mechanism tightly fits together to allow fixation extrusion pad 1 and extrusion axis 2, the pulling force granted is far smaller than the tensile stress of cylinder lever connecting rod 3 tool withdrawal groove part, does not affect so be processed with through hole 7 at tool withdrawal groove place the use of intensity on cylinder lever connecting rod 3 that cylinder lever connecting rod 3 reduces.
Except above-mentioned extrusion equipment, the present invention also provides a kind of large-size extruder comprising above-mentioned extrusion equipment, and the structure of these other each several parts of large-size extruder please refer to prior art, repeats no more herein.
Above large-size extruder provided by the present invention and extrusion equipment thereof are described in detail.Apply specific case herein to set forth principle of the present invention and mode of execution, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (9)
1. the extrusion equipment of a large-size extruder, comprise fixation extrusion pad (1), extrusion axis (2) and cylinder lever connecting rod (3), extrusion axis (2) described in described cylinder lever connecting rod (3) overcoat, described cylinder lever connecting rod (3) one end is connected in the described fixation extrusion pad (1) contacted with described extrusion axis (2), it is characterized in that, also comprise locking back of the body cap (5):
The periphery of described locking back of the body cap (5) is enclosed construction;
Described cylinder lever connecting rod (3) the other end is carried on the back cap (5) be threaded with described locking, described locking back of the body cap (5) having at least two end faces to contact with each other, and wherein locking back of the body cap (5) described in one contacts with described extrusion axis (2).
2. extrusion equipment as claimed in claim 1, it is characterized in that, described extrusion axis (2) end has counterbore (8), and in described counterbore (8), stressed packing ring (4) being installed, with described, described stressed packing ring (4) lock that to carry on the back cap (5) flat face tactile.
3. extrusion equipment as claimed in claim 2, it is characterized in that, the center line of described counterbore (8) is same as the center line of the through hole of the described extrusion axis (2) matched with described cylinder lever connecting rod (3).
4. extrusion equipment as claimed in claim 1, is characterized in that, described locking back of the body cap (5) is specially two.
5. extrusion equipment as claimed in claim 1, is characterized in that, longitudinal center's line position of described locking back of the body cap (5) periphery is evenly distributed with handling hole (6).
6. extrusion equipment as claimed in claim 5, it is characterized in that, described handling hole (6) is specially 3.
7. extrusion equipment as claimed in claim 5, it is characterized in that, described handling hole (6) is specially screw handling hole.
8. the extrusion equipment as described in any one of claim 1 to 7, is characterized in that, the outside thread tool withdrawal groove place of described cylinder lever connecting rod (3) is processed with through hole (7).
9. a large-size extruder, is characterized in that, comprises the extrusion equipment as described in any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410698701.7A CN104454897A (en) | 2014-11-26 | 2014-11-26 | Large extruding machine and extruding device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410698701.7A CN104454897A (en) | 2014-11-26 | 2014-11-26 | Large extruding machine and extruding device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104454897A true CN104454897A (en) | 2015-03-25 |
Family
ID=52901466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410698701.7A Pending CN104454897A (en) | 2014-11-26 | 2014-11-26 | Large extruding machine and extruding device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104454897A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3282075A (en) * | 1963-07-03 | 1966-11-01 | Baldwin Lima Hamilton Corp | Safety apparatus for extrusion press dummy block |
| GB1448679A (en) * | 1973-02-17 | 1976-09-08 | Lucas Electrical Ltd | Extrusion tools |
| JPH105851A (en) * | 1996-06-14 | 1998-01-13 | Ube Ind Ltd | Extruding press for short stroke |
| CN2316056Y (en) * | 1997-11-18 | 1999-04-28 | 赵云路 | Fixed dummy block device for aluminium section material |
| CN202021227U (en) * | 2010-11-24 | 2011-11-02 | 黄石市福星铝业有限公司 | Hollow induction extrusion rod |
| CN102513397A (en) * | 2011-12-26 | 2012-06-27 | 佛山市业精机械制造有限公司 | Disc fixation extrusion pad assembly of extruder |
| CN202493606U (en) * | 2011-12-13 | 2012-10-17 | 中科恒源科技股份有限公司 | Flexible coupling |
| CN202933962U (en) * | 2012-12-03 | 2013-05-15 | 南昌工程学院 | Fixed dummy block device for aluminum profile |
| CN204300081U (en) * | 2014-11-26 | 2015-04-29 | 西南铝业（集团）有限责任公司 | Large-size extruder and squeezing unit thereof |
-
2014
- 2014-11-26 CN CN201410698701.7A patent/CN104454897A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3282075A (en) * | 1963-07-03 | 1966-11-01 | Baldwin Lima Hamilton Corp | Safety apparatus for extrusion press dummy block |
| GB1448679A (en) * | 1973-02-17 | 1976-09-08 | Lucas Electrical Ltd | Extrusion tools |
| JPH105851A (en) * | 1996-06-14 | 1998-01-13 | Ube Ind Ltd | Extruding press for short stroke |
| CN2316056Y (en) * | 1997-11-18 | 1999-04-28 | 赵云路 | Fixed dummy block device for aluminium section material |
| CN202021227U (en) * | 2010-11-24 | 2011-11-02 | 黄石市福星铝业有限公司 | Hollow induction extrusion rod |
| CN202493606U (en) * | 2011-12-13 | 2012-10-17 | 中科恒源科技股份有限公司 | Flexible coupling |
| CN102513397A (en) * | 2011-12-26 | 2012-06-27 | 佛山市业精机械制造有限公司 | Disc fixation extrusion pad assembly of extruder |
| CN202933962U (en) * | 2012-12-03 | 2013-05-15 | 南昌工程学院 | Fixed dummy block device for aluminum profile |
| CN204300081U (en) * | 2014-11-26 | 2015-04-29 | 西南铝业（集团）有限责任公司 | Large-size extruder and squeezing unit thereof |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |