CN104191591B - Rubber extruding equipment automatic pressure-reducing device - Google Patents
Rubber extruding equipment automatic pressure-reducing device Download PDFInfo
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- CN104191591B CN104191591B CN201410438671.6A CN201410438671A CN104191591B CN 104191591 B CN104191591 B CN 104191591B CN 201410438671 A CN201410438671 A CN 201410438671A CN 104191591 B CN104191591 B CN 104191591B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/27—Cleaning; Purging; Avoiding contamination
- B29C48/2715—Cleaning; Purging; Avoiding contamination of plasticising units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/0005—Direct recuperation and re-use of scrap material during moulding operation, i.e. feed-back of used material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/254—Sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/267—Intermediate treatments, e.g. relaxation, annealing or decompression step for the melt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/275—Recovery or reuse of energy or materials
- B29C48/277—Recovery or reuse of energy or materials of materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92514—Pressure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Rubber extruding equipment automatic pressure-reducing device, belong to rubber equipment technical field, including extruder barrel, hermatic door, rotate bar, first memory shell fragment, first adds heat pipe, magnetic nut block, pressure ball, magnetic slide plate, screw rod, housing, motor, connector, kerve, blower fan, chipper, pull bar, air door, second memory spring, second adds heat pipe, gear, tooth block, fixing bar, fixing seat, screw rod, governor motion, connecting rod, scraping block and spring, the opening part of described extruder barrel lower end is provided with hermatic door, hermatic door is connected with rotating bar one end, rotate the bar other end and the first memory shell fragment is connected, first memory shell fragment is cased with first and adds heat pipe；Hermatic door is connected with housing, and hull outside is provided with magnetic nut block, and inner side is provided with magnetic slide plate, and magnetic nut block is connected with screw rod；This device have employed self-regulation cleaning structure, and pressure regulating performance is good, long service life so that reclaimed rubber equipment can carry out stable work.
Description
Technical field
The present invention relates to rubber extruding equipment automatic pressure-reducing device, belong to rubber equipment technical field.
Background technology
Rubber is as important strategic materials, and it is had strict control by various countries.Therefore, the Appropriate application to waste old is to breaking away from rubber sources scarcity, promotes that resource circulation utilization has profound significance, it is many that traditional rubber there is problems of fault when the equipment of production, maintenance inconvenience, is difficulty with consecutive production, in particular without applicable pressure regulating equipment.Pressure cannot be drained greatly in process of production, it is easy to situation about bursting, and there is very serious potential safety hazard, is a urgent problem.
Summary of the invention
It is an object of the invention to provide rubber extruding equipment automatic pressure-reducing device.
The problem to be solved in the present invention is the deficiency that existing regenerating waste or used rubber equipment is not suitable for pressure regulating equipment.
For realizing the purpose of the present invention, the technical solution used in the present invention is:
Rubber extruding equipment automatic pressure-reducing device, including extruder barrel, hermatic door, rotate bar, first memory shell fragment, first adds heat pipe, magnetic nut block, pressure ball, magnetic slide plate, screw rod, housing, motor, connector, kerve, blower fan, chipper, pull bar, air door, second memory spring, second adds heat pipe, gear, tooth block, fixing bar, fixing seat, screw rod, governor motion, connecting rod, scraping block and spring, the opening part of described extruder barrel lower end is provided with hermatic door, hermatic door is connected with rotating bar one end, rotate the bar other end and the first memory shell fragment is connected, first memory shell fragment is cased with first and adds heat pipe；Hermatic door is connected with housing, hull outside is provided with magnetic nut block, inner side is provided with magnetic slide plate, magnetic nut block is connected with screw rod, screw rod is connected with motor, housing is connected with kerve, it is provided with pressure ball between magnetic slide plate, pressure ball is connected with pull bar, pull bar is provided with spring, spring bottom is screw rod, screw rod is connected to and sets on threaded fixing seat, fixing seat is arranged on housing by fixing bar, the pull bar of fixing seat bottom is cased with tooth block, the gear of tooth block and both sides is meshed, gear is provided with the second memory spring, second memory spring is cased with second and adds heat pipe, the fixing seat of screw rod both sides is provided with governor motion, connecting rod, governor motion, connecting rod is provided with scraping block, scraping block and magnetic slide plate fit, connector is positioned at lower housing portion both sides.
Described housing is circular platform type.
Described kerve passes on left hinge and is provided with air door, and right side is provided with blower fan, and inside is provided with chipper, and chipper is made up of blade and motor.
Described governor motion includes stock, round slider, locating piece, lock screw, pedestal, regulating block, chute, set screw and limited block, pedestal top is provided with round slider, stock is installed in round slider, stock is provided with locating piece by lock screw, pedestal has multiple chute, being provided with regulating block by set screw in chute, chute top is provided with limited block.
Described limited block and regulating block fit, and regulating block and locating piece are all trapezoidal, and both cooperate altitude location, and regulating block can rotate around set screw, it is achieved dynamically positions.
Described tooth block includes left tooth block, right tooth block, tooth bar, spring, hinges and inner groovy, it is provided with tooth bar outside left tooth block, right tooth block, inner side is provided with inner groovy, spring is installed in inner groovy, the hinges of symmetry is set in the middle part of left tooth block, right tooth block, hinges is M type, and four edges is flexible connection.
Described housing upper is evenly equipped with 6 pieces of magnetic slide plates.
Advantages of the present invention: this device have employed self-regulation cleaning structure, and pressure regulating performance is good, long service life so that reclaimed rubber equipment can carry out stable work, should have market prospect widely.
Accompanying drawing explanation
Fig. 1 is the overall schematic of rubber extruding equipment automatic pressure-reducing device of the present invention；
Fig. 2 is the enlarged diagram of rubber extruding equipment automatic pressure-reducing device governor motion of the present invention；
Fig. 3 is the enlarged diagram of rubber extruding equipment automatic pressure-reducing device tooth block of the present invention；
Fig. 4 is that the A-A of rubber extruding equipment automatic pressure-reducing device tooth block of the present invention is to sectional view；
In figure: 1, extruder barrel 2, hermatic door 3, rotate bar 4, first memory shell fragment 5, first adds heat pipe 6, magnetic nut block 7, pressure ball 8, magnetic slide plate 9, screw rod 10, housing 11, motor 12, connector 13, kerve 14, blower fan 15, chipper 16, pull bar 17, air door 18, second memory spring 19, second adds heat pipe 20, gear 21, tooth block 22, fixing bar 23, fixing seat 24, screw rod 25, governor motion 26, connecting rod 27, scraping block 28, spring 29, stock 30, round slider 31, locating piece 32, lock screw 33, pedestal 34, regulating block 35, chute 36, set screw 37, limited block 38, left tooth block 39, right tooth block 40, tooth bar 41, spring 42, hinges 43, inner groovy.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
Rubber extruding equipment automatic pressure-reducing device, including extruder barrel 1, hermatic door 2, rotate bar 3, first memory shell fragment 4, first adds heat pipe 5, magnetic nut block 6, pressure ball 7, magnetic slide plate 8, screw rod 9, housing 10, motor 11, connector 12, kerve 13, blower fan 14, chipper 15, pull bar 16, air door 17, second memory spring 18, second adds heat pipe 19, gear 20, tooth block 21, fixing bar 22, fixing seat 23, screw rod 24, governor motion 25, connecting rod 26, scraping block 27 and spring 28, the opening part of described extruder barrel 1 lower end is provided with hermatic door 2, hermatic door 2 is connected with rotating bar 3 one end, rotate bar 3 other end and the first memory shell fragment 4 is connected, first memory shell fragment 4 is cased with first and adds heat pipe 5；So by the flexible opening and closing that can be achieved with hermatic door 2 of the first memory shell fragment 4；Hermatic door 2 is connected with housing 10, magnetic nut block 6 it is provided with outside housing 10, inner side is provided with magnetic slide plate 8, magnetic nut block 6 is connected with screw rod 9, screw rod 9 is connected with motor 11, so just can be driven the motion of magnetic slide plate 8 by the motion of external magnetic nut block 6, it is achieved that isolation motion；Housing 10 is connected with kerve 13, for the waste rubber having disposed；Being provided with pressure ball 7 between magnetic slide plate 8, pressure ball 7 is connected with pull bar 16, and pull bar 16 is provided with spring 28, and spring 28 bottom is screw rod 24, and spring heads on pressure ball 7 and realizes the adjustment to pressure ball 7 top lift；Make the pressure that can remain stable in extruder barrel 1；Screw rod 24 is connected to and sets on threaded fixing seat 23, cooperate and realize pressure adjustment, fixing seat 23 is installed on the housing 10 by fixing bar 22, the pull bar 16 of fixing seat 23 bottom is cased with tooth block 21, the gear 20 of tooth block 21 and both sides is meshed, and gear 20 is provided with the second memory spring 18, the second memory spring 18 is cased with second and adds heat pipe 19, can by force by drop-down for pressure ball 7 by the deformation of the second memory spring 18, it is achieved to the quick cleaning of adhesive rubber on magnetic slide plate 8；The fixing seat 23 of screw rod 9 both sides is provided with governor motion 25, connecting rod 26, governor motion 25, connecting rod 26 are provided with scraping block 27, scraping block 27 and magnetic slide plate 8 fit, can quickly by clean for the vulcanite scraper of magnetic slide plate 8, itself and pressure ball 7 is made to keep good sealing, connector 12 is positioned at both sides, housing 10 bottom, is used for being connected with each other.
Described housing 10, in circular platform type, has good bearing capacity, has been also convenient for layout and the sealability of magnetic slide plate 8.
Described kerve 13 passes on left hinge and is provided with air door 17, and right side is provided with blower fan 14, and inside is provided with chipper 15, chipper 15 is made up of blade and motor, for realizing the rubber fallen down is carried out cutting and grinding so that it is directly carry out secondary feed back regeneration again, by blower fan 14, it is blown out from air door 17.
nullDescribed governor motion 25 includes stock 29、Round slider 30、Locating piece 31、Lock screw 32、Pedestal 33、Regulating block 34、Chute 35、Set screw 36 and limited block 37，Pedestal 33 top is provided with round slider 30，Stock 29 is installed in round slider 30，Stock 29 is provided with locating piece 31 by lock screw 32，Pedestal 33 has four chutes 35，By set screw 36, regulating block 34 is installed in chute 35，Chute 35 top is provided with limited block 37，When certain regulating block 34 and locating piece 31 have staggered position，Regulating block 34 can be driven dislocation is rotated when locating piece 31 rises，When locating piece 31 declines, regulating block 34 is owing to being subject to the screens of limited block 37，Just cannot be down，Such scraping block 27 can be achieved with scraping rubber，Have when four chutes 35 are mainly in view of later stage abrasion and finely tune，Improve the efficiency scraping rubber.
Described limited block 37 and regulating block 34 fit, and regulating block 34 and locating piece 31 are all trapezoidal, and both cooperate altitude location, and regulating block 34 can rotate around set screw 36, it is achieved dynamically positions.
Described tooth block 21 includes left tooth block 38, right tooth block 39, tooth bar 40, spring 41, hinges 42 and inner groovy 43, it is provided with tooth bar 40 outside left tooth block 38, right tooth block 39, inner side is provided with inner groovy 43, spring 41 is installed in inner groovy 43, when left tooth block 38, right tooth block 39 are flat and pull bar 16 keep certain gap；Setting the hinges 42 of symmetry in the middle part of left tooth block 38, right tooth block 39, hinges 42 is in M type, and four edges is flexible connection, has good structural strength and activeness.
Described housing 10 top is evenly equipped with four pieces of magnetic slide plates 8, and second adds heat pipe 19 and first adds all external oil feed pump of heat pipe 5, is used for providing heat energy to make first memory shell fragment the 4, second memory spring 18 can produce deformation.
Second memory spring 18 on described gear 20 top is toward both sides outer lug, second memory spring 18 of bottom is toward lower convexity, so when the second memory spring 18 heats top lower motive force will be provided, bottom be provided with compress tooth block 21 effect, it is achieved the pressure ball 7 that cooperates is toward drop-down.
The using method of the present invention: when extruder barrel 1 normal operation of reclaimed rubber, when the inside a large amount of gas pressures of generation increase, pressure ball 7 will be turned down by pressure, carry out pressure release, while pressure release, some waste rubbers also can be taken out of therewith, if waste rubber is bonded at magnetic slide plate 8 for a long time, poor air-tightness will be made, affect reclaimed rubber to produce, it is thus desirable to timing cleaning, when cleaning, second adds heat pipe 19 heat supply makes the second memory spring 18 carry out unbending movement, at gear 20, by drop-down for pressure ball 7 under the cooperation of tooth block 21, first adds heat pipe 5 heat supply, the first heated bending of memory shell fragment 4, hermatic door 2 is closed；Then motor 11 drives screw rod 24 to make magnetic nut block 6 toward drop-down magnetic slide plate 8, scraping block 27 is taken advantage of a situation rotation, then magnetic slide plate 8 up moves again, rubber thereon will be scraped by scraping block 27, and enter the crushed recovery of groove 13 on earth, then the position recovering hermatic door 2 and pressure ball 7 makes its normal operation, uses simple and reliable, and the life-span is long.
Claims (5)
- null1. rubber extruding equipment automatic pressure-reducing device，Including extruder barrel (1)、Hermatic door (2)、Rotate bar (3)、First memory shell fragment (4)、First adds heat pipe (5)、Magnetic nut block (6)、Pressure ball (7)、Magnetic slide plate (8)、Screw rod (9)、Housing (10)、Motor (11)、Connector (12)、Kerve (13)、Blower fan (14)、Chipper (15)、Pull bar (16)、Air door (17)、Second memory spring (18)、Second adds heat pipe (19)、Gear (20)、Tooth block (21)、Fixing bar (22)、Fixing seat (23)、Screw rod (24)、Governor motion (25)、Connecting rod (26)、Scraping block (27) and spring (28)，It is characterized in that: the opening part of described extruder barrel (1) lower end is provided with hermatic door (2)，Hermatic door (2) is connected with rotating bar (3) one end，Rotate bar (3) other end and the first memory shell fragment (4) is connected，First memory shell fragment (4) is cased with first and adds heat pipe (5)；nullHermatic door (2) is connected with housing (10)，Housing (10) outside is provided with magnetic nut block (6)，Inner side is provided with magnetic slide plate (8)，Magnetic nut block (6) is connected with screw rod (9)，Screw rod (9) is connected with motor (11)，Housing (10) is connected with kerve (13)，Pressure ball (7) it is provided with between magnetic slide plate (8)，Pressure ball (7) is connected with pull bar (16)，Pull bar (16) is provided with spring (28)，Spring (28) bottom is screw rod (24)，Screw rod (24) is connected to and sets on threaded fixing seat (23)，Fixing seat (23) is arranged on housing (10) by fixing bar (22)，The pull bar (16) of fixing seat (23) bottom is cased with tooth block (21)，The gear (20) of tooth block (21) and both sides is meshed，Gear (20) is provided with the second memory spring (18)，Second memory spring (18) is cased with second and adds heat pipe (19)，The fixing seat (23) of screw rod (9) both sides is provided with governor motion (25)、Connecting rod (26)，Governor motion (25)、Connecting rod (26) is provided with scraping block (27)，Scraping block (27) and magnetic slide plate (8) fit，Connector (12) is positioned at housing (10) both sides, bottom；Housing (10) is in circular platform type；Kerve (13) passes on left hinge and is provided with air door (17), and right side is provided with blower fan (14), and inside is provided with chipper (15), and chipper (15) is made up of blade and motor；Governor motion (25) includes stock (29), round slider (30), locating piece (31), lock screw (32), pedestal (33), regulating block (34), chute (35), set screw (36) and limited block (37), pedestal (33) top is provided with round slider (30), stock (29) is installed in round slider (30), stock (29) is provided with locating piece (31) by lock screw (32), pedestal (33) has multiple chute (35), by set screw (36), regulating block (34) is installed in chute (35), chute (35) top is provided with limited block (37).
- 2. rubber extruding equipment automatic pressure-reducing device according to claim 1, it is characterized in that: described limited block (37) and regulating block (34) fit, regulating block (34) and locating piece (31) are all trapezoidal, both cooperate altitude location, regulating block (34) can rotate around set screw (36), it is achieved dynamically positions.
- 3. rubber extruding equipment automatic pressure-reducing device according to claim 1, it is characterized in that: described tooth block (21) includes left tooth block (38), right tooth block (39), tooth bar (40), spring (41), hinges (42) and inner groovy (43), left tooth block (38), right tooth block (39) outside is provided with tooth bar (40), inner side is provided with inner groovy (43), spring (41) is installed in inner groovy (43), left tooth block (38), right tooth block (39) middle part sets the hinges (42) of symmetry, hinges (42) is in M type, four edges is flexible connection.
- 4. rubber extruding equipment automatic pressure-reducing device according to claim 1, is characterized in that: described housing (10) top is evenly equipped with 6 pieces of magnetic slide plates (8).
- 5. rubber extruding equipment automatic pressure-reducing device according to claim 1, it is characterized in that: second memory spring (18) on described gear (20) top past both sides outer lug, the past lower convexity of second memory spring (18) of bottom, so when the second memory spring (18) heats top lower motive force will be provided, the effect being provided with compression tooth block (21) of bottom, it is achieved the pressure ball (7) that cooperates is toward drop-down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410438671.6A CN104191591B (en) | 2014-09-01 | 2014-09-01 | Rubber extruding equipment automatic pressure-reducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410438671.6A CN104191591B (en) | 2014-09-01 | 2014-09-01 | Rubber extruding equipment automatic pressure-reducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104191591A CN104191591A (en) | 2014-12-10 |
| CN104191591B true CN104191591B (en) | 2016-07-06 |
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| CN201410438671.6A Active CN104191591B (en) | 2014-09-01 | 2014-09-01 | Rubber extruding equipment automatic pressure-reducing device |
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| CN107443705A (en) * | 2017-09-11 | 2017-12-08 | 张家港市润禾橡塑制品有限公司 | A kind of rubber strip extrusion equipment automatic pressure-reducing device peculiar to vessel |
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|---|---|---|---|---|
| CN1167544C (en) * | 2002-01-29 | 2004-09-22 | 北京化工大学 | Screw extrusion melt pressure stabilizing device and method |
| CN102990904B (en) * | 2013-01-10 | 2016-03-30 | 游瑞生 | For the binder vacuum pumping hardware of conical double screw extruder |
| CN203994661U (en) * | 2014-09-01 | 2014-12-10 | 舟山富德斯机械有限公司 | Rubber extruding equipment automatic pressure-reducing device |
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