CN120096063B - A twin-screw extrusion equipment - Google Patents
A twin-screw extrusion equipmentInfo
- Publication number
- CN120096063B CN120096063B CN202510579149.8A CN202510579149A CN120096063B CN 120096063 B CN120096063 B CN 120096063B CN 202510579149 A CN202510579149 A CN 202510579149A CN 120096063 B CN120096063 B CN 120096063B
- Authority
- CN
- China
- Prior art keywords
- scraping
- fixedly connected
- plates
- upper cover
- extrusion
- 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.)
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Classifications
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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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
本发明适用于双螺杆挤出设备相关技术领域，提供了一种双螺杆挤出设备，包括底座，底座上固定连接有第一电机，第一转轴的侧面固定连接有螺纹部，螺纹部分为疏端和密端，螺纹部的外侧设置有挤出箱体，挤出箱体上设置有用于对螺纹部进行原料刮除的多个刮除板，挤出箱体的上端设置有上盖，上盖通过下压单元与刮除板连接，刮除板的上端设置有用于在螺纹部进行位移的位移单元，本发明通过第一转轴和螺纹部旋转，原料通过进料口进入挤出箱体，在螺纹部的作用下向前挤出，刮除板在位移单元的作用下随着螺纹部的旋转而在螺纹部上进行位移，对螺纹部表面的原料进行刮除，下压单元使刮除板始终与螺纹部保持合适的压力，保证刮除效果。
This invention relates to the technical field of twin-screw extrusion equipment and provides a twin-screw extrusion device, including a base, a first motor fixedly connected to the base, a threaded portion fixedly connected to the side of a first rotating shaft, the threaded portion having a sparse end and a dense end, an extrusion chamber disposed on the outer side of the threaded portion, and multiple scraping plates disposed on the extrusion chamber for scraping raw material from the threaded portion. A top cover is disposed at the upper end of the extrusion chamber, and the top cover is connected to the scraping plates via a pressing unit. A displacement unit is disposed at the upper end of the scraping plates for displacement within the threaded portion. In this invention, the first rotating shaft and the threaded portion rotate, and raw material enters the extrusion chamber through the feed inlet and is extruded forward under the action of the threaded portion. The scraping plates, under the action of the displacement unit, move along the threaded portion as it rotates, scraping the raw material from the surface of the threaded portion. The pressing unit ensures that the scraping plates maintain appropriate pressure with the threaded portion at all times, guaranteeing the scraping effect.
Description
Technical Field
The invention belongs to the technical field of double-screw extrusion equipment, and particularly relates to double-screw extrusion equipment.
Background
The double-screw extruder is developed on the basis of a single-screw extruder, has been widely applied to the molding processing of extruded products due to the characteristics of good feeding performance, mixing plasticizing performance, exhaust performance, extrusion stability and the like, the molding processing of color master batch is also processed by the double-screw extruder, waste plastic is one raw material in the production of color master batch, and the waste plastic is finally prepared into regenerated black master batch or other types of color master batch through the steps of recovery, mixing crushing, granulation, blending, extrusion, molding and the like.
According to the double-screw extrusion equipment, the Chinese patent with the publication number of CN220242339U is found through retrieval, the problem that when the anti-sticking device is used, the surface of the rotating rod rotates through the rectangular strip, so that the rubber block is impacted on the surface of the feeding hopper, and then raw materials adhered to the inner wall of the feeding hopper are well vibrated down, so that the problem that when the double-screw extrusion equipment is used, raw materials are added into the extrusion equipment through the feeding hopper, but in the actual use process, the raw materials are easily adhered to the inner wall of the feeding hopper, so that the raw materials are very difficult to clean, the ratio of raw materials entering the feeding hopper next time is influenced, and the problem of forming processing of extruded products is possibly influenced is solved, but when the double-screw extrusion equipment is actually used, the defects exist that after the double-screw extrusion operation is carried out on the materials, residual raw materials exist in a gap of the double-screw, and when the operation is started again, adverse effects are caused on the extrusion efficiency of the double-screw, and the problem is seriously caused on the whole device.
Disclosure of Invention
The invention provides double-screw extrusion equipment, which aims to solve the problems that residual raw materials exist in a gap of a double screw after the double screw extrudes materials, the extrusion efficiency of the double screw is adversely affected when the operation is started again, and the whole device is seriously blocked.
The double-screw extrusion equipment comprises a base, wherein a first motor is fixedly connected to the base, a lubrication part is fixedly connected to the output end of the first motor, the lubrication part is connected with two first rotating shafts through a speed reducer connecting part, the side surfaces of the first rotating shafts are fixedly connected with threaded parts, the threaded parts are sparse ends and dense ends, an extrusion box body is arranged on the outer side of the threaded parts, a plurality of feeding holes for feeding are formed in the extrusion box body, a plurality of scraping plates for scraping raw materials on the threaded parts are arranged on the extrusion box body, a through hole is formed in the upper end of the extrusion box body, an upper cover is arranged at the upper end of the extrusion box body, the upper cover is connected with the scraping plates through a pressing unit, and a displacement unit for displacing the threaded parts is arranged at the upper ends of the scraping plates.
The extrusion box is characterized in that a plurality of scraping plates are vertically arranged, the thread spacing of the thread parts is 15 threads, a heating part for heating raw materials is fixedly connected to the extrusion box body, a plurality of supporting legs are fixedly connected to the lower end of the base, an observation panel is arranged on the extrusion box body, a first scraping protrusion is fixedly connected to the side face of each scraping plate, a first through groove for passing through each scraping plate is formed in the upper cover, and the upper cover is connected with the extrusion box body through an adjusting unit.
Preferably, the pushing unit comprises a plurality of first guide rods fixedly connected to the upper cover and symmetrically arranged, a plurality of pushing plates are sleeved on the outer sides of the first guide rods, the upper ends of the first guide rods on two sides are fixedly connected with first connecting plates, the upper ends of the pushing plates are connected with the first connecting plates through a plurality of first springs for providing elasticity, the first springs are sleeved on the outer sides of the first guide rods, and baffle plates for blocking the scraping plates are fixedly connected to the side faces of the extrusion box body.
Preferably, the displacement unit is including seting up multiunit symmetry setting's second link up the groove on the holding down plate, the length in second link up the groove divide into elongated slot and short groove, elongated slot with the short groove respectively with loose end with close end one-to-one, second link up fixedly connected with second guide bar in the inslot, the outside cover of second guide bar is equipped with the movable block, the lateral wall of movable block with the lateral wall in second link up the groove contacts, the movable block through be used for providing elasticity the second spring with the lateral wall in second link up the groove is connected, the second spring cover is established the outside of second guide bar, the lower extreme of movable block with strike off board fixed connection, strike off the board divide into wide board and narrow board, just wide board with narrow board respectively with loose end with close end one-to-one.
Preferably, a lifting unit for lifting the scraping plate is provided on the upper cover.
Preferably, the lifting unit comprises a second motor, the second motor is fixedly connected with the upper cover through a first connecting rod, the output end of the second motor is fixedly connected with a rotating gear, incomplete gear teeth are arranged on the rotating gear, a second connecting plate is fixedly connected with the side face of the lower pressing plate, straight gear teeth meshed with the incomplete gear teeth are arranged on the side face of the second connecting plate, and the incomplete gear teeth can drive the straight gear teeth to move in the vertical direction.
Preferably, the adjusting unit comprises third connecting plates which are fixedly connected to two sides of the extrusion box body and symmetrically arranged, one of the third connecting plates is fixedly connected with a third motor, the output end of the third motor is fixedly connected with a reciprocating screw rod, the end part of the reciprocating screw rod is rotationally connected with the third connecting plate, the outer side of the reciprocating screw rod is sleeved with a reciprocating slide block, the reciprocating slide block is fixedly connected with the upper cover, a limiting rod is fixedly connected between the two third connecting plates, the limiting rod penetrates through the reciprocating slide block, and the reciprocating slide block can drive the upper cover to move in the horizontal direction.
Preferably, the side of striking off the board is provided with the striking off unit, strike off the unit and be in including a plurality of symmetries set up strike off the second of board both sides and strike off the arch, strike off be provided with on the board with the recess that the protruding adaptation was doctored off to the second, fixedly connected with third guide bar in the recess, the third guide bar inserts and establishes in the removal inslot that sets up on the protruding second strike off, the protruding through be used for providing elasticity third spring with the recess connection, the third spring cover is established the outside of third guide bar.
Compared with the prior art, the embodiment of the application has the following main beneficial effects:
1. Through the arrangement of the pressing unit, the elastic action of the first spring ensures that the lower end of the scraping plate is contacted with the baffle plate when the raw material scraping operation is not performed, and the scraping plate is contacted with the first rotating shaft and the threaded part when the raw material scraping operation is performed, so as to perform the raw material scraping operation;
2. Through the arrangement of the displacement unit, the screw thread part can bring the feeding amount of the scraping plate in the horizontal direction when rotating, the moving block can be driven to move in the direction of the second guide rod, and under the action of the second spring, the scraping plate can be contacted with the side surface of the screw thread part, so that raw material scraping operation can be better performed;
3. Through the arrangement of the lifting unit, when the equipment is required to be maintained or the scraping plate is required to be replaced, the scraping plate can be lifted through the lifting unit, and the lifting unit can adapt to the rotation condition of the threaded part to drive the scraping plate to move up and down under the condition that the threaded part rotates due to the limited displacement distance of the displacement unit, so that the normal operation of the scraping plate is ensured;
4. Through the setting of striking off the unit, strike off the board and strike off the operation in time, the second strikes off the arch and can shift out in the recess in the direction of third guide bar under the elasticity effect of third spring, and a plurality of second strike off the arch from this can adapt to the curvature of screw portion, can be further strike off the operation to the screw portion raw materials.
Drawings
FIG. 1 is a schematic view of a twin-screw extrusion apparatus according to the present invention;
FIG. 2 is a schematic diagram II of a twin-screw extrusion apparatus according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2 at A;
FIG. 4 is a schematic view of the structure of a screw flight in a twin screw extrusion apparatus according to the present invention;
FIG. 5 is a schematic view of a part of a structure of a twin-screw extrusion apparatus according to the present invention;
FIG. 6 is an enlarged schematic view of the structure at B in FIG. 5;
FIG. 7 is an enlarged schematic view of the structure at C in FIG. 5;
Fig. 8 is a schematic structural view of a scraping unit in a twin-screw extrusion apparatus according to the present invention.
The reference numerals are 1, a base, 2, a first motor, 3, a lubrication part, 4, a speed reducer connecting part, 5, a first rotating shaft, 6, a loose end, 7, a dense end, 8, an extrusion box, 9, a feed port, 10, a scraping plate, 11, a through port, 12, an upper cover, 13, a heating part, 14, a first through groove, 15, a first guide rod, 16, a lower pressing plate, 17, a first connecting plate, 18, a first spring, 19, a blocking plate, 20, a second through groove, 21, a second guide rod, 22, a moving block, 23, a second spring, 24, a second motor, 25, a first connecting rod, 26, a rotating gear, 27, incomplete gear teeth, 28, a second connecting plate, 29, straight gear teeth, 30, a third connecting plate, 31, a third motor, 32, a reciprocating screw rod, 33, a reciprocating slide block, 34, a limit rod, 35, a support leg, 36, an observation panel, 37, a first scraping protrusion, 38, a second scraping protrusion, 39, a groove, 40, a third guide rod, 41, a moving groove, 42 and a third spring.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs, the terms used in the description of this application are for the purpose of describing particular embodiments only and are not intended to be limiting of the application, and the terms "comprising" and "having" and any variations thereof in the description of this application and the claims and the above description of the drawings are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The embodiment of the invention provides double-screw extrusion equipment, as shown in fig. 1-8, the double-screw extrusion equipment comprises a base 1, wherein a first motor 2 is fixedly connected to the base 1, a lubrication part 3 is fixedly connected to the output end of the first motor 2, the lubrication part 3 is connected with two first rotating shafts 5 through a speed reducer connecting part 4, a threaded part is fixedly connected to the side surface of each first rotating shaft 5, the threaded part is a loose end 6 and a tight end 7, an extrusion box 8 is arranged on the outer side of each threaded part, a plurality of feeding holes 9 for feeding are formed in the extrusion box 8, a plurality of scraping plates 10 for scraping raw materials on the threaded part are arranged on the extrusion box 8, a through hole 11 is formed in the upper end of the extrusion box 8, an upper cover 12 is arranged on the upper end of the extrusion box 8, the upper cover 12 is connected with the scraping plates 10 through a pressing unit, and a displacement unit for displacing the threaded part is arranged on the upper end of the scraping plates 10.
The thread clearance of the application is improved from 50 threads of international standard to 15-20 threads, thus realizing superfine dispersion of non-auxiliary agents, enabling pigment particles to reach primary particle size and effectively dispersing, and being capable of processing color master batch raw materials with better quality.
The scraping plates 10 are vertically arranged, a heating part 13 for heating raw materials is fixedly connected to the extruding box body 8, a plurality of supporting legs 35 are fixedly connected to the lower end of the base 1, an observation panel 36 is arranged on the extruding box body 8, a first through groove 14 for passing through the scraping plates 10 is arranged on the upper cover 12, and the upper cover 12 is connected with the extruding box body 8 through an adjusting unit.
When the device is actually used, the first motor 2 is started during operation, and the first rotating shaft 5 and the threaded part are driven to rotate through the lubricating part 3 and the speed reducer connecting part 4. Raw materials get into extrusion box 8 through feed inlet 9, extrude forward under the effect of screw thread portion, simultaneously, strike off board 10 and displace on screw thread portion along with the rotation of screw thread portion under the effect of displacement unit, strike off the raw materials on screw thread portion surface, push down the unit and make strike off board 10 remain suitable pressure with screw thread portion all the time, guarantee to strike off the effect.
Referring to fig. 5 and 7, the pressing unit includes a plurality of first guide rods 15 fixedly connected to the upper cover 12 and symmetrically disposed, a lower pressing plate 16 is sleeved on the outer sides of the plurality of first guide rods 15, first connecting plates 17 are fixedly connected to the upper ends of the first guide rods 15 on two sides, the upper ends of the lower pressing plates 16 are connected to the first connecting plates 17 through a plurality of first springs 18 for providing elastic force, the first springs 18 are sleeved on the outer sides of the first guide rods 15, and a blocking plate 19 for blocking the scraping plate 10 is fixedly connected to the side surface of the extrusion box 8.
When the pressing unit is actually used, the lower end of the scraping plate 10 is contacted with the baffle plate 19 under the action of the elastic force of the first spring 18 when the raw material scraping operation is not performed, and the scraping plate 10 is contacted with the first rotating shaft 5 and the threaded part when the raw material scraping operation is performed, so that the raw material is scraped.
The displacement unit includes the multiunit symmetry setting's second link up groove 20 of seting up on the holding down plate 16, the length of second link up groove 20 divide into elongated slot and short groove, elongated slot with the short groove respectively with loose end 6 with close end 7 one-to-one, second link up inslot 20 fixedly connected with second guide bar 21, the outside cover of second guide bar 21 is equipped with movable block 22, the lateral wall of movable block 22 with the lateral wall contact of second link up groove 20, movable block 22 is through being used for providing elasticity second spring 23 with the lateral wall of second link up groove 20 is connected, second spring 23 cover is established the outside of second guide bar 21, the lower extreme of movable block 22 with strike off board 10 fixed connection, strike off board 10 divide into wide board and narrow board, just wide board with narrow board respectively with loose end 6 with close end 7 one-to-one.
When the displacement unit is actually used, the screw thread part rotates to bring the feeding amount to the horizontal direction of the scraping plate 10, the moving block 22 is driven to move in the direction of the second guide rod 21, and under the action of the second spring 23, the scraping plate 10 can be contacted with the side surface of the screw thread part, so that the raw material scraping operation is better performed.
The upper cover 12 is provided with a lifting unit for lifting the scraping plate 10.
The lifting unit comprises a second motor 24, the second motor 24 is fixedly connected with the upper cover 12 through a first connecting rod 25, the output end of the second motor 24 is fixedly connected with a rotating gear 26, incomplete gear teeth 27 are arranged on the rotating gear 26, a second connecting plate 28 is fixedly connected to the side face of the lower pressing plate 16, straight gear teeth 29 meshed with the incomplete gear teeth 27 are arranged on the side face of the second connecting plate 28, and the incomplete gear teeth 27 can drive the straight gear teeth 29 to move in the vertical direction.
The lifting unit has two functions, when the scraping plate 10 needs to be maintained or replaced, the scraping plate 10 can be lifted through the lifting unit, and the lifting unit can adapt to the rotation condition of the threaded part to drive the scraping plate 10 to move up and down under the condition that the threaded part rotates because the displacement distance of the displacement unit is limited, so that the normal operation of the scraping plate 10 is ensured, and the position of the upper cover 12 can be adjusted by the adjusting unit, so that the inside of the equipment is cleaned and overhauled conveniently.
Referring to fig. 3, the adjusting unit includes a third connecting plate 30 fixedly connected to two sides of the extrusion box 8 and symmetrically arranged, one of the third connecting plates 30 is fixedly connected with a third motor 31, an output end of the third motor 31 is fixedly connected with a reciprocating screw rod 32, an end of the reciprocating screw rod 32 is rotatably connected with the third connecting plate 30, a reciprocating slide block 33 is sleeved on an outer side of the reciprocating screw rod 32, the reciprocating slide block 33 is fixedly connected with the upper cover 12, a limiting rod 34 is fixedly connected between the two third connecting plates 30, the limiting rod 34 passes through the reciprocating slide block 33, and the reciprocating slide block 33 can drive the upper cover 12 to move in a horizontal direction.
When the screw thread part is required to be scraped by the scraping plate 10, the third motor 31 rotates to drive the reciprocating screw rod 32 to rotate and then drive the reciprocating sliding block 33 to move so as to drive the upper cover 12 to move, so that the first through groove 14 corresponds to the position of the through hole 11, and the scraping operation is convenient.
A first scraping projection 37 is fixedly connected to the side of the scraping plate 10.
In order to further scrape the raw material of the screw thread portion and improve the adaptation degree of the scraping plate 10, the side of the scraping plate 10 is provided with a scraping unit, the scraping unit comprises a plurality of second scraping protrusions 38 symmetrically arranged on two sides of the scraping plate 10, grooves 39 adapted to the second scraping protrusions 38 are formed in the scraping plate 10, third guide rods 40 are fixedly connected in the grooves 39, the third guide rods 40 are inserted into moving grooves 41 formed in the second scraping protrusions 38, the second scraping protrusions 38 are connected with the grooves 39 through third springs 42 for providing elastic force, and the third springs 42 are sleeved on the outer sides of the third guide rods 40.
When the scraping plate 10 performs the scraping operation, the second scraping protrusions 38 can be moved out of the grooves 39 in the direction of the third guide rods 40 under the elastic force of the third springs 42, so that the plurality of second scraping protrusions 38 can adapt to the curvature of the threaded portion, and further raw material scraping operation can be performed on the threaded portion.
In summary, the working principle of the invention is that the first motor 2 is started and drives the first rotating shaft 5 and the screw part to rotate through the lubrication part 3 and the speed reducer connecting part 4 when in operation. Raw materials enter the extrusion box 8 through the feed inlet 9, are extruded forward under the action of the threaded part, meanwhile, the scraping plate 10 moves on the threaded part along with the rotation of the threaded part under the action of the displacement unit, raw materials on the surface of the threaded part are scraped, the pressing unit enables the scraping plate 10 to keep proper pressure with the threaded part all the time, scraping effect is guaranteed, in order to guarantee normal extrusion operation, the upper cover 12 is located above the through hole 11 under the drive of the reciprocating sliding block 33 and is blocked, when the scraping plate 10 is used for scraping the threaded part, the third motor 31 rotates to drive the reciprocating screw rod 32 to rotate and then drive the reciprocating sliding block 33 to move so as to drive the upper cover 12 to enable the first through groove 14 to correspond to the position of the through hole 11, scraping operation is facilitated, and when the scraping plate 10 is used for scraping operation, the second scraping protrusions 38 can move out of the groove 39 in the direction of the third guide rod 40 under the elastic force of the third spring 42, so that the second scraping protrusions 38 can be suitable for scraping the threaded part, and further scraping raw materials can be carried out on the threaded part.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. The double-screw extrusion equipment comprises a base (1), and is characterized in that a first motor (2) is fixedly connected to the base (1), a lubrication part (3) is fixedly connected to the output end of the first motor (2), the lubrication part (3) is connected with two first rotating shafts (5) through a speed reducer connecting part (4), threaded parts are fixedly connected to the side surfaces of the first rotating shafts (5), the threaded parts are loose ends (6) and tight ends (7), an extrusion box body (8) is arranged on the outer side of the threaded parts, a plurality of feeding holes (9) for feeding are formed in the extrusion box body (8), a plurality of scraping plates (10) for scraping raw materials on the threaded parts are arranged on the extrusion box body (8), a through hole (11) is formed in the upper end of the extrusion box body (8), an upper cover (12) is arranged at the upper end of the extrusion box body (8), the upper cover (12) is connected with the scraping plates (10) through a pressing unit, and the upper end of the scraping plates (10) is provided with a displacement unit for displacing threads;
The pressing unit comprises a plurality of symmetrically arranged first guide rods (15) fixedly connected to the upper cover (12), a lower pressing plate (16) is sleeved on the outer sides of the first guide rods (15), first connecting plates (17) are fixedly connected to the upper ends of the first guide rods (15) on two sides, the upper ends of the lower pressing plates (16) are connected with the first connecting plates (17) through a plurality of first springs (18) for providing elasticity, the first springs (18) are sleeved on the outer sides of the first guide rods (15), and baffle plates (19) for blocking the scraping plates (10) are fixedly connected to the side faces of the extrusion box body (8);
The displacement unit is including seting up multiunit symmetry setting's second link up groove (20) on holding down plate (16), the length of second link up groove (20) divide into elongated slot and short groove, elongated slot with the short groove respectively with loose end (6) with close end (7) one-to-one, second link up inslot fixedly connected with second guide bar (21), the outside cover of second guide bar (21) is equipped with movable block (22), the lateral wall of movable block (22) with the lateral wall of second link up groove (20) contacts, movable block (22) through be used for providing elasticity second spring (23) with the lateral wall of second link up groove (20) is connected, second spring (23) cover is established in the outside of second guide bar (21), the lower extreme of movable block (22) with strike off board (10) fixed connection, strike off board (10) divide into wide board and narrow board, just wide board with loose end (7) one-to-one.
2. A twin screw extrusion apparatus according to claim 1, wherein a plurality of said scraping plates (10) are arranged vertically, and the pitch of the threads of said screw portions is 15-20 filaments.
3. A twin-screw extrusion device according to claim 1, characterized in that the extrusion box (8) is fixedly connected with a heating part (13) for heating the raw material, the lower end of the base (1) is fixedly connected with a plurality of supporting legs (35), the extrusion box (8) is provided with an observation panel (36), and the side surface of the scraping plate (10) is fixedly connected with a first scraping protrusion (37).
4. A twin-screw extrusion device according to claim 1, characterized in that the upper cover (12) is provided with a first through-going groove (14) for passing the scraper plate (10), the upper cover (12) being connected with the extrusion casing (8) by means of an adjusting unit.
5. A twin-screw extrusion apparatus as claimed in claim 1, characterised in that the upper cover (12) is provided with a lifting unit for lifting the scraper plate (10).
6. A twin-screw extrusion apparatus as defined in claim 5, wherein the lifting unit comprises a second motor (24), the second motor (24) is fixedly connected with the upper cover (12) through a first connecting rod (25), the output end of the second motor (24) is fixedly connected with a rotating gear (26), incomplete gear teeth (27) are arranged on the rotating gear (26), a second connecting plate (28) is fixedly connected with the side surface of the lower pressing plate (16), straight gear teeth (29) meshed with the incomplete gear teeth (27) are arranged on the side surface of the second connecting plate (28), and the incomplete gear teeth (27) can drive the straight gear teeth (29) to move in the vertical direction.
7. The double-screw extrusion device according to claim 4, wherein the adjusting unit comprises third connecting plates (30) which are fixedly connected to two sides of the extrusion box body (8) and are symmetrically arranged, one of the third connecting plates (30) is fixedly connected with a third motor (31), the output end of the third motor (31) is fixedly connected with a reciprocating screw rod (32), the end part of the reciprocating screw rod (32) is rotatably connected with the third connecting plates (30), a reciprocating sliding block (33) is sleeved on the outer side of the reciprocating screw rod (32), the reciprocating sliding block (33) is fixedly connected with the upper cover (12), a limiting rod (34) is fixedly connected between the two third connecting plates (30), the limiting rod (34) penetrates through the reciprocating sliding block (33), and the reciprocating sliding block (33) can drive the upper cover (12) to move in the horizontal direction.
8. A twin-screw extrusion device according to claim 6, characterized in that the side of the scraping plate (10) is provided with a scraping unit, the scraping unit comprises a plurality of second scraping protrusions (38) symmetrically arranged on two sides of the scraping plate (10), the scraping plate (10) is provided with grooves (39) adapted to the second scraping protrusions (38), third guide rods (40) are fixedly connected in the grooves (39), the third guide rods (40) are inserted into moving grooves (41) arranged on the second scraping protrusions (38), the second scraping protrusions (38) are connected with the grooves (39) through third springs (42) for providing elastic force, and the third springs (42) are sleeved on the outer sides of the third guide rods (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510579149.8A CN120096063B (en) | 2025-05-07 | 2025-05-07 | A twin-screw extrusion equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510579149.8A CN120096063B (en) | 2025-05-07 | 2025-05-07 | A twin-screw extrusion equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN120096063A CN120096063A (en) | 2025-06-06 |
| CN120096063B true CN120096063B (en) | 2025-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510579149.8A Active CN120096063B (en) | 2025-05-07 | 2025-05-07 | A twin-screw extrusion equipment |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5066298B1 (en) * | 2012-05-11 | 2012-11-07 | 積水化学工業株式会社 | Screw for extruder |
| CN211105472U (en) * | 2019-12-09 | 2020-07-28 | 江西汉永塑业有限公司 | Single-screw extrusion device for plastic pipes |
| CN119526726A (en) * | 2024-12-07 | 2025-02-28 | 梁少祖 | An extrusion device for producing ultra-high molecular weight polyethylene pipes |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7217884B2 (en) * | 2019-03-13 | 2023-02-06 | 東洋製罐株式会社 | T-die cleaning device and T-die cleaning method |
| CN212072901U (en) * | 2020-05-08 | 2020-12-04 | 贵州贵标线缆有限公司 | Twin screw extruder for easy cleaning |
| CN217293417U (en) * | 2022-05-11 | 2022-08-26 | 广州市啊啦棒高分子材料有限公司 | Double-screw extruder for producing engineering plastic particles |
| CN115056377B (en) * | 2022-07-27 | 2022-11-22 | 四川中科兴业高新材料有限公司 | PAS resin modified double-screw extrusion equipment |
| CN220349003U (en) * | 2023-07-20 | 2024-01-16 | 梁山新翔新材料有限公司 | Double-screw extruder for chemical products |
| CN220447113U (en) * | 2023-08-04 | 2024-02-06 | 衡水金轮塑业科技股份有限公司 | Double-screw extruder for nylon plastic raw material production |
| CN221292212U (en) * | 2023-11-27 | 2024-07-09 | 宿迁景仙科技有限公司 | Double-screw extruder is used in production of EPDM sponge |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5066298B1 (en) * | 2012-05-11 | 2012-11-07 | 積水化学工業株式会社 | Screw for extruder |
| CN211105472U (en) * | 2019-12-09 | 2020-07-28 | 江西汉永塑业有限公司 | Single-screw extrusion device for plastic pipes |
| CN119526726A (en) * | 2024-12-07 | 2025-02-28 | 梁少祖 | An extrusion device for producing ultra-high molecular weight polyethylene pipes |
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