CN108704948A - A kind of extruder - Google Patents
A kind of extruder Download PDFInfo
- Publication number
- CN108704948A CN108704948A CN201810478060.2A CN201810478060A CN108704948A CN 108704948 A CN108704948 A CN 108704948A CN 201810478060 A CN201810478060 A CN 201810478060A CN 108704948 A CN108704948 A CN 108704948A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- dynamic beam
- installation base
- adjusting screw
- zhang lizhu
- 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
- B21C23/21—Presses specially adapted for extruding metal
- B21C23/217—Tube extrusion presses
-
- 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
- B21C23/215—Devices for positioning or centering press components, e.g. die or container
-
- 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
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of extruders,Belong to extrusion technique field,It solves and moves the technical issues of beam center line can not adjust in the prior art,Extruder in the present invention,Including the back rest,Dynamic beam and front-axle beam,Four Zhang Lizhu are installed between the back rest and front-axle beam,The dynamic beam is slidably mounted on four Zhang Lizhu,The back rest is equipped with the master cylinder for driving dynamic beam axially reciprocating on the Zhang Lizhu,The Zhang Lizhu is equipped with the slide plate being axially arranged,The slide plate is equipped with sliding slot,The dynamic beam set there are four in diagonal line distribution installation base,The installation base is equipped with two regulating mechanisms of front and back distribution,The regulating mechanism includes sliding block,Adjusting screw rod and locking nut,The sliding block is slidably installed in the sliding slot,The adjusting screw rod screw thread is screwed on the installation base and is locked by the locking nut,One end of the adjusting screw rod coordinates with the sliding block spherical rotation.
Description
【Technical field】
The present invention relates to extruder technical field more particularly to a kind of extruders.
【Background technology】
Extruder in the prior art includes the back rest, dynamic beam and front-axle beam, and four Zhang Lizhu are equipped between the back rest and front-axle beam,
Four edges of dynamic beam are respectively provided with the pilot hole of one and Zhang Lizhu clearance fits, so that dynamic beam can be slidably mounted on four
On Zhang Lizhu, the back rest is equipped with the master cylinder for driving dynamic beam axially reciprocating on Zhang Lizhu.In order to ensure dynamic beam
Center line can be overlapped with the center line of extruder, need to ensure that the machining accuracy of Zhang Lizhu and pilot hole so just increase
Manufacturing cost is added.
【Invention content】
One kind is provided technical problem to be solved by the present invention lies in overcome the deficiencies in the prior art can adjust dynamic beam
The extruder of position of center line.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of extruder, including the back rest, dynamic beam and front-axle beam, are equipped with four Zhang Lizhu, institute between the back rest and front-axle beam
It states beam to be slidably mounted on four Zhang Lizhu, the back rest is equipped with for driving the dynamic beam axial on the Zhang Lizhu
The master cylinder of reciprocating motion, the Zhang Lizhu are equipped with the slide plate being axially arranged, and the slide plate is equipped with sliding slot, and the dynamic beam is set
There are four the installation base in diagonal line distribution, the installation base is equipped with two regulating mechanisms of front and back distribution, the tune
It includes sliding block, adjusting screw rod and locking nut to save mechanism, and the sliding block is slidably installed in the sliding slot, the adjusting screw rod screw thread
It is screwed on the installation base and is locked by the locking nut, one end of the adjusting screw rod and the sliding block spherical surface
It is rotatably assorted.
Further, the installation base is equipped with mounting hole, and fixing nut, the adjusting spiral shell are equipped in the mounting hole
Bar is threadedly coupled with the fixing nut, and one end of the mounting hole is equipped with positioning step, and the locking nut is locked at described
On adjusting screw rod, and offset with the positioning step.
Further, the quantity of the slide plate is multiple, and multiple slide plates divide along the length direction of the Zhang Lizhu
Cloth, the slide plate are fixed by screws on Zhang Lizhu.
Further, the center of the dynamic beam is also equipped with pressure-bearing pad, and the pressure-bearing pad is equipped with groove, described recessed
Stressed plate is installed in slot.
Further, the thickness of the stressed plate is 20mm~40mm.
Further, it is also equipped with pecker on the dynamic beam, the extruder further includes cooling device, the cooling dress
It sets including water tank, water inlet pipe, return pipe and controller, the pecker is interior to be equipped with cooling hole, and cooling is equipped in the cooling hole
Water pipe, the water inlet pipe are connected to the water tank and cooling water pipe, and the cooling water pipe is equipped with water jet, the return pipe connection
The cooling hole and the water tank, the water tank are equipped with thermocouple and temperature sensor, the thermocouple and temperature sensor
It is connect respectively with controller, when the temperature sensor detects that water temperature is less than 35 DEG C, the controller controls the thermocouple
Heating, when the temperature sensor detects that water temperature is higher than 60 DEG C, the controller controls the thermocouple and stops heating.
Beneficial effects of the present invention：
Extruder in the present invention unscrews all locking nuts when adjusting the position of center line for moving beam, due to adjusting spiral shell
One end of bar with sliding block is that spherical rotation coordinates, thus adjusting screw rod can opposing slider generate 360 ° and rotate, when practical adjustments,
By in direction oscillation adjustment screw rod all around, adjusting of the installation base in direction all around may be implemented, adjust in addition
Screw rod is threadedly coupled with installation base, therefore can also be adjusted between installation base and sliding block by circumferentially rotating adjusting screw rod
Distance realizes the adjusting of installation base in above-below direction with this, and then realizes the adjusting for moving beam position of center line, ensure that dynamic beam
Center line overlapped with the center line of extruder；Further, since adjusting the position of center line for moving beam provided with regulating mechanism, therefore
Sliding block and the machining accuracy of Zhang Lizhu can be reduced, reduces manufacturing cost, while can also extend the service life of entire extruder,
Reduce dynamic beam or the replacement frequency of Zhang Lizhu.
Installation base is equipped with mounting hole, and fixing nut is equipped in mounting hole, and adjusting screw rod is threadedly coupled with fixing nut,
One end of mounting hole is equipped with positioning step, and locking nut is locked on adjusting screw rod, and is offseted with positioning step.So design,
The problem that the difficulty of processing that direct machining internal thread is brought on installation base can be avoided big.
The quantity of the slide plate is multiple, and multiple slide plates are distributed along the length direction of the Zhang Lizhu, and slide plate passes through spiral shell
Nail is fixed on Zhang Lizhu.Thus, which the size of slide plate can be reduced, machine-shaping and the nitrogen treatment of slide plate are reduced with this
Difficulty, while can also be convenient for being individually replaced for slide plate, reduce waste of material.
The center of dynamic beam is also equipped with pressure-bearing pad, and pressure-bearing pad is equipped with groove, in groove by screw be equipped with by
Power plate.When extruding, since stressed plate is main stressed member, the later stage individually replaces stressed plate, is held without needing to change
Pressure pad reduces manufacturing cost.
The thickness of stressed plate is 20mm~40mm.So design not only can guarantee the structural strength of stressed plate, but also can certain journey
Materials cost is reduced on degree；When the thickness of stressed plate is less than 20mm, stressed plate is too thin, and structural strength is weaker, frangible, works as stress
When the thickness of plate is more than 40mm, materials cost is too big.
Pecker is also equipped on dynamic beam, extruder further includes cooling device, and cooling device includes water tank, water inlet pipe, returns
Water pipe and controller, pecker is interior to be equipped with cooling hole, and cooling water pipe, water inlet pipe joining water box and cooling water are equipped in cooling hole
Pipe, cooling water pipe are equipped with water jet, and return pipe is connected to cooling hole and water tank, and water tank is equipped with thermocouple and temperature sensor,
Thermocouple and temperature sensor are connect with controller respectively, when temperature sensor detects that water temperature is less than 35 DEG C, controller control
Thermocouple heats, and when temperature sensor detects that water temperature is higher than 60 DEG C, controller controls thermocouple and stops heating.So design,
Not only being avoided that pecker cracked caused by cooling water temperature is too low leads to leak, but be avoided that cause because cooling water temperature is excessively high it is cold
But effect is poor, so as to cause pecker flexural deformation, causes pipe eccentric.
These features and advantages of the present invention will the detailed exposure in following specific implementation mode, attached drawing.
【Description of the drawings】
Following further describes the present invention with reference to the drawings：
Fig. 1 is the part-structure schematic diagram of extruder in the preferred embodiment of the present invention；
Front view after assemblings of the Fig. 2 to move beam and Zhang Lizhu in the preferred embodiment of the present invention；
Fig. 3 is the close-up schematic view of A in Fig. 2；
Fig. 4 is the structural schematic diagram that cooling device is connect with pecker in the preferred embodiment of the present invention；
Fig. 5 is the close-up schematic view of B in Fig. 4.
【Specific implementation mode】
The invention discloses a kind of extruders, including the back rest, dynamic beam and front-axle beam, and four are equipped between the back rest and front-axle beam
Root Zhang Lizhu, the dynamic beam are slidably mounted on four Zhang Lizhu, and the back rest is equipped with for driving the dynamic beam described
The master cylinder of the upper axially reciprocatings of Zhang Lizhu, the Zhang Lizhu are equipped with the slide plate being axially arranged, and the slide plate, which is equipped with, to be slided
Slot, the dynamic beam are set there are four the installation base in diagonal line distribution, and the installation base is equipped with two tune of front and back distribution
Mechanism is saved, the regulating mechanism includes sliding block, adjusting screw rod and locking nut, and the sliding block is slidably installed in the sliding slot, institute
It states adjusting screw rod screw thread to be screwed on the installation base and be locked by the locking nut, one end of the adjusting screw rod
Coordinate with the sliding block spherical rotation.
When adjusting the position of center line for moving beam, unscrew all locking nuts, since one end and the sliding block of adjusting screw rod are
Spherical rotation coordinates, thus adjusting screw rod can opposing slider generate 360 ° of rotations, when practical adjustments, by side all around
To oscillation adjustment screw rod, adjusting of the installation base in direction all around may be implemented, in addition adjusting screw rod and installation base spiral shell
Line connects, therefore can also adjust the distance between installation base and sliding block by circumferentially rotating adjusting screw rod, and peace is realized with this
The adjusting of boss in above-below direction is filled, and then realizes the adjusting for moving beam position of center line, ensure that center line and the extruding of dynamic beam
The center line of machine overlaps；Further, since provided with regulating mechanism adjust move beam position of center line, therefore can reduce sliding block with
The machining accuracy of Zhang Lizhu reduces manufacturing cost, while can also extend the service life of entire extruder, reduces dynamic beam or opens
The replacement frequency of column.
The technical solution of the embodiment of the present invention is explained and illustrated with reference to the attached drawing of the embodiment of the present invention, but under
It is only the preferred embodiment of the present invention to state embodiment, and not all.Based on the implementation example in the implementation mode, people in the art
Member's obtained other embodiments without making creative work, belong to protection scope of the present invention.
As shown in Figures 1 to 3, the extruder in this preferred embodiment includes the back rest, dynamic beam 1 and front-axle beam, the back rest and front-axle beam it
Between four Zhang Lizhu 2 are installed, dynamic beam 1 is slidably mounted on four Zhang Lizhu 2, the back rest be equipped with for drive dynamic beam 1
The master cylinder of axially reciprocating on column 2, master cylinder include cylinder body and piston, and cylinder body is fixed on the back rest, piston and dynamic beam 1
It is fixedly connected, Zhang Lizhu 2 is equipped with the slide plate 3 that is axially arranged, and slide plate 3 is equipped with sliding slot 31, and dynamic beam 1 sets that there are four be in diagonal line
The installation base 11 of distribution, installation base 11 be equipped with front and back distribution two regulating mechanisms 4, regulating mechanism 4 include sliding block 41,
Adjusting screw rod 42 and locking nut 43, sliding block 41 are slidably installed in sliding slot 31, and 42 screw thread of adjusting screw rod is screwed in installation base 11
It above and by locking nut 43 is locked, one end and 41 spherical rotation of sliding block of adjusting screw rod 42 coordinate.
It follows that the quantity totally 8 of the regulating mechanism 4 in the present embodiment, is divided into front and back two groups, every group is in including four
The regulating mechanism 4 of diagonal line distribution.When adjusting the position of center line for moving beam 1, unscrew all locking nuts 43, due to adjusting spiral shell
One end of bar with sliding block 41 is that spherical rotation coordinates, thus adjusting screw rod 42 can opposing slider 41 generate 360 ° of rotations, reality
When adjusting, by direction oscillation adjustment screw rod 42 all around, may be implemented installation base 11 direction all around tune
Section, adjusting screw rod 42 is threadedly coupled with installation base 11 in addition, therefore can also adjust peace by circumferentially rotating adjusting screw rod 42
The distance between boss 11 and sliding block 41 are filled, the adjusting of installation base 11 in above-below direction is realized with this；It is adjusted from there through 8
The adjusting of dynamic beam position of center line can be achieved in the adjustment of mechanism 4, and the center line that ensure that dynamic beam is overlapped with the center line of extruder；
Further, since moving the position of center line of beam 1 provided with the adjustment of regulating mechanism 4, therefore adding for sliding block 41 and Zhang Lizhu 2 can be reduced
Work precision reduces manufacturing cost, while can also extend the service life of entire extruder, reduces dynamic beam 1 or Zhang Lizhu 2 more
Change frequency.
In order to avoid the problem that direct machining internal thread brings difficulty of processing big on installation base 11, in the present embodiment
Fixing nut 5 is equipped in mounting hole, fixing nut 5 is fixed by screws in mounting hole, adjusting screw rod 42 and 5 spiral shell of fixing nut
Line connects, and one end of mounting hole is equipped with positioning step 12, and locking nut 43 is locked on adjusting screw rod 42, and with positioning step 12
It offsets.
It is understood that in order to simplify assembling procedure, in inner wall of the hole installing can also tapping thread, adjusting screw rod directly with
Internal thread is screwed on.
The quantity of the present embodiment middle slide plate 3 is multiple, and multiple slide plates 3 are distributed along the length direction of Zhang Lizhu 2, slide plate 3
It is fixed by screws on Zhang Lizhu 2.Thus, which the size of each slide plate 3 can be reduced, the processing of slide plate 3 is reduced with this
Molding and nitrogen treatment difficulty, while can also be convenient for being individually replaced for slide plate 3, reduce waste of material.
The center of dynamic beam 1 is also equipped with pressure-bearing pad 6, and pressure-bearing pad 6 is equipped with groove, stressed plate 7 is equipped in groove.
When extruding, since stressed plate 7 is main stressed member, the later stage individually replaces stressed plate 7, and nothing needs to change pressure-bearing pad
6, reduce manufacturing cost.
The thickness of stressed plate 7 is 20mm~40mm in this preferred embodiment.So design, both can guarantee the knot of stressed plate 7
Structure intensity, and materials cost can be reduced to a certain extent；When the thickness of stressed plate 7 is less than 20mm, stressed plate 7 is too thin, structure
Intensity is weaker, frangible, and when the thickness of stressed plate 7 is more than 40mm, materials cost is too big.The thickness of stressed plate 7 in the present embodiment
It is preferred that 20mm, certainly, optionally, the thickness of stressed plate 7 can also be 22mm, 25mm, 38mm, 30mm, 32mm, 35mm, 38mm
And 40mm, as long as the thickness of stressed plate 7 between 20mm and 40mm, will not enumerate here, it is above-mentioned it is listed only
It is preferred embodiment, is not used for limiting this range.
In addition, as shown in Figure 4 and Figure 5, pecker 8 is also equipped on the dynamic beam 1 of the present embodiment, extruder further includes cooling
Device 9, cooling device 9 include water tank 91, water inlet pipe 92, return pipe 93 and controller, and cooling hole is equipped in pecker 8, cooling
Cooling water pipe, 92 joining water box 91 of water inlet pipe and cooling water pipe are equipped in hole, cooling water pipe is equipped with water jet, and return pipe 93 connects
Logical cooling hole and water tank 91, so that cooling water can be back in water tank 91, water tank 91 is equipped with thermocouple 94 and temperature sensor
95, thermocouple 94 and temperature sensor 95 are connect with controller respectively, and temperature sensor 95 sends the temperature signal detected
To controller, controller controls the working condition of thermocouple 94 according to temperature signal.If temperature sensor 95 is examined in the present embodiment
When measuring water temperature less than 35 DEG C, controller controls thermocouple 94 and heats, if temperature sensor 95 detects that water temperature is higher than 60 DEG C,
Controller controls thermocouple 94 and stops heating.It is led thus, both be avoided that pecker 8 cracked caused by cooling water temperature is too low
Leak is caused, and be avoided that causes cooling effect poor because cooling water temperature is excessively high, so as to cause pecker flexural deformation, leads to pipe
It is eccentric.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, is familiar with
The those skilled in the art should be understood that the present invention includes but not limited to attached drawing and interior described in specific implementation mode above
Hold.The modification of any function and structure principle without departing from the present invention is intended to be included in the range of claims.
Claims (6)
1. a kind of extruder, including the back rest, dynamic beam and front-axle beam, are equipped with four Zhang Lizhu between the back rest and front-axle beam, described
Dynamic beam is slidably mounted on four Zhang Lizhu, and the back rest is equipped with for driving the dynamic beam axial past on the Zhang Lizhu
The master cylinder moved again, which is characterized in that the Zhang Lizhu is equipped with the slide plate being axially arranged, and the slide plate is equipped with sliding slot,
The dynamic beam is set there are four the installation base in diagonal line distribution, and the installation base is equipped with two adjusting machines of front and back distribution
Structure, the regulating mechanism include sliding block, adjusting screw rod and locking nut, and the sliding block is slidably installed in the sliding slot, the tune
Section screw flight is screwed on the installation base and is locked by the locking nut, one end of the adjusting screw rod and institute
State the cooperation of sliding block spherical rotation.
2. extruder according to claim 1, which is characterized in that the installation base is equipped with mounting hole, the installation
Fixing nut is equipped in hole, the adjusting screw rod is threadedly coupled with the fixing nut, and one end of the mounting hole is equipped with positioning
Step, the locking nut are locked on the adjusting screw rod, and are offseted with the positioning step.
3. extruder according to claim 1, which is characterized in that the quantity of the slide plate is multiple, multiple slide plates
It is distributed along the length direction of the Zhang Lizhu, the slide plate is fixed by screws on Zhang Lizhu.
4. extruder according to claim 1, which is characterized in that the center of the dynamic beam is also equipped with pressure-bearing pad,
The pressure-bearing pad is equipped with groove, and stressed plate is equipped in the groove.
5. extruder according to claim 4, which is characterized in that the thickness of the stressed plate is 20mm~40mm.
6. extruder according to claim 1, which is characterized in that be also equipped with pecker, the extruding on the dynamic beam
Machine further includes cooling device, and the cooling device includes water tank, water inlet pipe, return pipe and controller, is equipped in the pecker
Cooling hole, the cooling hole is interior to be equipped with cooling water pipe, and the water inlet pipe is connected to the water tank and cooling water pipe, the cooling water pipe
It is equipped with water jet, the return pipe is connected to the cooling hole and the water tank, and the water tank is equipped with thermocouple and temperature passes
Sensor, the thermocouple and temperature sensor are connect with controller respectively, and the temperature sensor detects that water temperature is less than 35 DEG C
When, the controller controls the thermocouple heating, when the temperature sensor detects that water temperature is higher than 60 DEG C, the controller
It controls the thermocouple and stops heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478060.2A CN108704948A (en) | 2018-05-18 | 2018-05-18 | A kind of extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478060.2A CN108704948A (en) | 2018-05-18 | 2018-05-18 | A kind of extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108704948A true CN108704948A (en) | 2018-10-26 |
Family
ID=63869258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810478060.2A Pending CN108704948A (en) | 2018-05-18 | 2018-05-18 | A kind of extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108704948A (en) |
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| GB1061041A (en) * | 1963-01-11 | 1967-03-08 | Fielding & Platt Ltd | Improvements in or relating to hydraulic extrusion presses |
| CN2693367Y (en) * | 2004-03-08 | 2005-04-20 | 西安重型机械研究所 | Pecker internal recycling cooling apparatus |
| US20050252267A1 (en) * | 2002-06-19 | 2005-11-17 | Valentin Gala | Extruding and pipe press |
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| CN202516873U (en) * | 2012-04-16 | 2012-11-07 | 金川集团股份有限公司 | Double acting extruder pecker device |
| CN203695636U (en) * | 2014-01-26 | 2014-07-09 | 秦玉兰 | Front-feeding short-stroke forward and backward extruder |
| CN104841718A (en) * | 2014-07-11 | 2015-08-19 | 无锡市威特机械有限公司 | Extruder extrusion cylinder adjusting apparatus |
| CN105268754A (en) * | 2015-11-17 | 2016-01-27 | 无锡市威特机械有限公司 | Limiting rod device used for extruder |
| CN105903775A (en) * | 2016-06-21 | 2016-08-31 | 广东精铟海洋工程股份有限公司 | Co-rail large-scale drill pipe extruding machine |
| CN107708883A (en) * | 2015-06-12 | 2018-02-16 | 宇部兴产机械株式会社 | Hybrid power type extruder |
| CN208408052U (en) * | 2018-05-18 | 2019-01-22 | 上海海亮铜业有限公司 | A kind of extruder |
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|---|---|---|---|---|
| GB1061041A (en) * | 1963-01-11 | 1967-03-08 | Fielding & Platt Ltd | Improvements in or relating to hydraulic extrusion presses |
| US20050252267A1 (en) * | 2002-06-19 | 2005-11-17 | Valentin Gala | Extruding and pipe press |
| CN2693367Y (en) * | 2004-03-08 | 2005-04-20 | 西安重型机械研究所 | Pecker internal recycling cooling apparatus |
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| CN101491816A (en) * | 2008-12-31 | 2009-07-29 | 中国重型机械研究院 | Extrusion center adjustment method |
| CN101602261A (en) * | 2009-07-02 | 2009-12-16 | 太原重工股份有限公司 | The guider of horizontal extruder |
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| 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 |
| CN102615130A (en) * | 2012-04-13 | 2012-08-01 | 太原重工股份有限公司 | Perforation needle regulation mechanism of metal extruding machine and synchronous connection structure of perforation needle regulation mechanism |
| CN202516873U (en) * | 2012-04-16 | 2012-11-07 | 金川集团股份有限公司 | Double acting extruder pecker device |
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| CN104841718A (en) * | 2014-07-11 | 2015-08-19 | 无锡市威特机械有限公司 | Extruder extrusion cylinder adjusting apparatus |
| CN107708883A (en) * | 2015-06-12 | 2018-02-16 | 宇部兴产机械株式会社 | Hybrid power type extruder |
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| CN105903775A (en) * | 2016-06-21 | 2016-08-31 | 广东精铟海洋工程股份有限公司 | Co-rail large-scale drill pipe extruding machine |
| CN208408052U (en) * | 2018-05-18 | 2019-01-22 | 上海海亮铜业有限公司 | A kind of extruder |
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