CN110355947B - Extrusion device for injection mold - Google Patents
Extrusion device for injection mold Download PDFInfo
- Publication number
- CN110355947B CN110355947B CN201910679657.8A CN201910679657A CN110355947B CN 110355947 B CN110355947 B CN 110355947B CN 201910679657 A CN201910679657 A CN 201910679657A CN 110355947 B CN110355947 B CN 110355947B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- sealing
- block
- blocking
- extruder body
- 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.)
- Active
Links
- 238000002347 injection Methods 0.000 title claims abstract description 20
- 239000007924 injection Substances 0.000 title claims abstract description 20
- 238000001125 extrusion Methods 0.000 title claims description 16
- 238000007789 sealing Methods 0.000 claims abstract description 144
- 239000000463 material Substances 0.000 claims abstract description 48
- 239000002994 raw material Substances 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 48
- 238000007790 scraping Methods 0.000 claims description 12
- 230000005855 radiation Effects 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 30
- 239000002390 adhesive tape Substances 0.000 abstract description 4
- 230000000740 bleeding effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000008093 supporting effect Effects 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Images
Classifications
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2608—Mould seals
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the field of injection molds, in particular to an injection mold, which comprises an extruder body, a fixing structure, a lifting structure, a sealing structure, a limiting structure and an anti-blocking structure, wherein the extruder body is provided with a lifting mechanism; the extruder body is provided with the fixing structure for sealing, and the fixing structure is arranged to facilitate installation of the fixing structure after material bleeding of the extruder body, so that sealing of the fixing structure by using a waterproof adhesive tape is avoided; prevent stifled structural connection in fixed knot, the inside when the extruder body is low because the temperature is low excessively, plastify incomplete raw materials block up gradually during the material emits and prevent stifled structure, and then make the material emits conflict and prevent stifled structure, prevent stifled structure and have the effect that prevents the material emits, when the raw materials is too big to the pressure of preventing stifled structure, prevent that stifled structure drive fixed knot constructs and the extruder body breaks away from, and then avoided the raw materials to block up fixed knot structure, prevent simultaneously that the use of stifled structure is convenient for clear up the complete raw materials of plastify in the hole of extruder body, and then improved operating efficiency and safety in utilization performance greatly.
Description
Technical Field
The invention relates to the field of injection molds, in particular to an extrusion device for an injection mold. .
Background
An injection mold is a tool for producing plastic products; the injection molding is a processing method used for batch production of parts with complex shapes, and specifically, the injection molding machine injects heated and melted plastic into a mold cavity under high pressure, and after cooling and solidification, a formed product is obtained, and before the plastic product is formed, the plastic product needs to be plasticized in a plasticizing extruder in an injection mold, and then extruded and cooled for forming, for example: in the production process of the PE winding pipe, raw materials are plasticized through an extruder, then the raw materials are preliminarily molded through a neck mold of the plasticizing extruder, then the raw materials are shaped again through a sizing sleeve, then the raw materials are cooled through a cooling water tank, and finally a winding mold is used for winding, bonding and molding.
However, when the dust material is used in the traditional plasticizing extruder for winding pipes, large particles of the dust material easily enter the pipe under the action of the vacuum pump, so that the blockage of the vacuum pipe is accelerated, the firmness of the joint of the pipe and the plasticizing extruder is poor, a waterproof adhesive tape is required to be used for sealing again, when the pipe is disassembled according to the complexity, a connecting rubber pad on the plasticizing extruder is easy to be broken, the inside of the plasticizing extruder cannot form vacuum after being broken, so that the plasticizing effect is influenced, and meanwhile, when the plasticizing temperature of the plasticizing extruder is too low, the material is easy to overflow, so that the connecting assembly of the plasticizing extruder is blocked, even the connecting assembly directly enters the inside of the vacuum pipe, so that the later cleaning is inconvenient, the traditional method is that the incomplete plasticizing plastic raw material is pressed into the plasticizing equipment from the connecting hole of the connecting assembly and the extruder by adopting a plastic pipe, so that the plastic pipe is easy to damage due to high temperature, when the iron pipe is used for pressing, the iron pipe is easy to touch the inner screw rod, so that the screw rod is damaged.
Disclosure of Invention
The invention provides an extrusion device for an injection mold, aiming at the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: an extrusion device for an injection mold comprises an extruder body, a fixing structure, a lifting structure, a sealing structure, a limiting structure and an anti-blocking structure; the extruder body for plasticizing raw materials is provided with the fixed structure for sealing, the bottom end of the fixed structure is provided with the anti-blocking structure for preliminarily preventing material leakage, and the anti-blocking structure is connected with the fixed structure in a sliding manner; the side wall of the fixed structure is provided with the lifting structure for lifting; the side wall of the fixed structure is provided with the limiting structure for fixing the vacuum pipeline, and the limiting structure and the lifting structure are symmetrically arranged; the top end of the fixed structure is provided with the sealing structure for sealing, and the sealing structure is fixed on the anti-blocking structure.
Specifically, the fixing structure comprises a sleeve, a driving block, a limiting hole, a first sealing ring, a first stop block, a transmission rod and a second stop block, and the sleeve is abutted against the extruder body; the telescopic bottom is equipped with annular first dog, be equipped with on the sleeve with what first dog was contradicted is used for sealedly first sealing washer, first sealing washer deviate from the one end of first dog contradict in the second dog, the second dog with sliding connection between the sleeve, circumference array is equipped with a plurality of connect in on the sleeve the transfer line of second dog, the transfer line with sliding connection between the sleeve, the tip of transfer line is equipped with a plurality ofly perpendicularly the transmission piece, it has to contradict on the transmission piece the drive block, the drive block is regular hexagon structure, the drive block with threaded connection between the sleeve, be equipped with a plurality of each other link up on the drive block spacing hole.
Specifically, the anti-blocking structure comprises a limiting ring, a scraping rod, a transmission strip, a clamping block, a second reset spring, a filter screen and an anti-blocking sleeve, the bottom end of the first stop block is provided with a plurality of second return springs, one end of the fixture block penetrates through the first stop block and extends to the second return springs, the other end of the first block is abutted against the transmission strip, the transmission strip is in sliding connection with the sleeve, the section of the transmission strip is trapezoidal, the anti-blocking sleeve is connected with the sleeve in a sliding way, one end of the anti-blocking sleeve close to the transmission strip is of a cone-shaped structure, one end of the anti-blocking sleeve, which is far away from the transmission strip, is of a hemispherical structure, the anti-blocking sleeve is in threaded connection with the limiting ring, the filter screen with a hemispherical structure is clamped between the anti-blocking sleeve and the limiting ring, and a plurality of ploughshare-shaped scraping rods are arranged at the circumferential array of the bottom end of the limiting ring.
Specifically, the lifting structure comprises a pull rod and a heat insulation sleeve, the pull rod of the U-shaped structure is fixed at one end, deviating from the limiting structure, of the sleeve, and the heat insulation sleeve of the hollow cylinder structure is arranged on the sleeve.
Specifically, seal structure is including sealed pad, actuating lever, sealing rod, sealing plug and first reset spring, sealed pad with the sleeve block, telescopic inside is equipped with the round platform shape the sealing plug, the one end of actuating lever with sealed pad is contradicted, the other one end of actuating lever is fixed in the filter screen, run through on the sealing plug and have the tip to be the round platform shape the sealing rod, be fixed with on the sealing rod first reset spring, first reset spring's bottom contradict in the sealing plug.
It is specific, limit structure includes connecting pipe, driving sleeve, second sealing washer, slide bar, wedge and drive circle, the connecting pipe is located the sleeve deviates from the one end of pull rod, the tip of connecting pipe is sandwich structure, the tip of connecting pipe is equipped with threaded connection the driving sleeve, the inside of connecting pipe is equipped with a plurality of sliding connection the wedge with the drive circle, the wedge with the drive circle is contradicted, the cross-section of wedge is triangle-shaped, the wedge is fixed in the slide bar, the slide bar with sliding connection between the connecting pipe, the drive circle with be equipped with loop configuration between the driving sleeve the second sealing washer, the sealing washer with the connecting pipe block.
The invention has the beneficial effects that:
(1) according to the extrusion device for the injection mold, the fixing structure for sealing is arranged on the extruder body, and the fixing structure is convenient to mount after the extruder body emits materials, so that the fixing structure is prevented from being sealed by a waterproof adhesive tape, the fixing structure is more convenient and quicker to mount, the vacuum effect in the extruder body is improved, and the plasticizing effect is better; namely: when the sleeve is installed, the sleeve is firstly abutted against the extruder body, then the sleeve is clamped with the regular hexagon driving block through the adjustable spanner, the driving block is rotated, the driving block is in threaded connection with the sleeve, the driving block is quickly abutted against the driving block, the driving block is abutted against the driving rod, the driving rod is abutted against the second stop block, the second stop block is matched with the first stop block to be abutted against the first sealing ring, the first sealing ring is internally provided with a containing cavity with an annular structure, so that the first sealing ring is extruded and deformed, the first sealing ring is deformed and abutted against the extruder body and the sleeve, further the sleeve and the extruder body are sealed, after the first sealing ring is heated and expanded, the sealing property between the extruder body and the sleeve is better, the first sealing ring is a high-temperature-resistant sealing ring, further the internal vacuum effect of the extruder body is better, further the plasticizing effect is greatly improved, and meanwhile, the arrangement of the limiting hole on the driving block, the end part of the screwdriver is conveniently clamped with the limiting hole, the driving block is conveniently driven, and the sleeve is conveniently and quickly mounted and dismounted.
(2) According to the extrusion device for the injection mold, the anti-blocking structure is connected with the fixed structure, when the temperature in the extruder body is too low, raw materials which are incompletely plasticized gradually block the anti-blocking structure during material bleeding, so that the material bleeding collides with the anti-blocking structure, the anti-blocking structure has the effect of preventing material bleeding, when the pressure of the raw materials on the anti-blocking structure is too large, the anti-blocking structure drives the fixed structure to be separated from the extruder body, so that the raw materials are prevented from blocking the fixed structure, and meanwhile, the anti-blocking structure is convenient to clean the raw materials which are completely plasticized in holes of the extruder body, so that the operation efficiency and the use safety performance of the extruder body are greatly improved; namely: the filter screen is of a hemispherical structure, so that the filtering area is increased, the filtering effect is better, the filter screen is arranged to effectively prevent large-particle dust materials from entering the interior of the sleeve to cause the sleeve to be damaged, when the plasticized incomplete materials enter the filter screen along with the pressure of the screw rod, when the pressure is lower, the filter screen preliminarily collides the materials and effectively prevents the materials from being continuously discharged, when the pressure is overlarge, the filter screen is driven to collide with the anti-blocking sleeve, the anti-blocking sleeve collides with the transmission strip, the transmission strip of the wedge-shaped structure collides with the fixture block, the fixture block collides with the second reset spring to be contracted, the fixture block is not clamped with the sleeve, so that the first stop block and the sleeve can slide, the first sealing ring and the extruder body are not collided, the sleeve and the anti-blocking structure can integrally slide out of the extruder body, the sleeve is prevented from being blocked by the materials, then the lifting structure is held by a hand, and the sleeve is rotationally pressed, the sleeve drives spacing collar and the incomplete material of filter screen extrusion plastify of preventing stifled cover bottom, make the material impress the inside of extruder body again, make the vacuum hole switch on, the bottom circumference array of spacing collar is equipped with a plurality of poles of scraping, it is ploughshare shape to scrape the pole, be convenient for strike off the plasticized material of hole lateral wall in rotatory, and then make the clearance effect better, after the clearance is accomplished, prevent stifled cover in the dismantlement, even more renew prevent stifled cover, the filter screen, it has the stifled cover of preventing of material to bond, the filter screen clears up, dismantle the spacing collar, take out the filter screen, clear up the plasticized raw materials on the filter screen, make the filter screen can continue to use.
(3) According to the extrusion device for the injection mold, disclosed by the invention, the sealing structure is abutted with the fixed structure, so that the internal sealing of the fixed structure is conveniently realized, meanwhile, the sealing structure is fixed on the anti-blocking structure, so that the anti-blocking structure is conveniently driven to shake, the anti-blocking performance of the anti-blocking structure is further improved, meanwhile, the anti-blocking structure has a supporting effect on the sealing structure, and further the supporting effect of the sealing structure is better, namely: an operator regularly presses sealed the pad, sealed pad drive actuating lever drives the filter screen shake, and then the effectual great likepowder sweeps that prevents bonds on the filter screen, simultaneously under the poor effect in vacuum, pressure drive prevents that stifled cover drives the filter screen conflict actuating lever, it is sealed to make the actuating lever conflict, it is more even to make sealed the atress of filling up, it is more durable to make sealed the pad, when sealed the pad damage, the pressure on the top of sealing plug is greater than the pressure of sealing plug bottom, drive sealing rod and sealing plug conflict under the effect of atmospheric pressure, and then make the compression of first reset spring, and then when having avoided sealed the pad to damage, the vacuum effect of the inside of extruder body is poor, influence the plastify effect of material, and then the processingquality has been improved greatly.
(4) According to the extrusion device for the injection mold, the limiting structure is fixed on the fixing structure, the vacuum pipeline is fixed conveniently through atmospheric pressure due to the limiting structure, and therefore the pipeline is convenient and rapid to mount and dismount; namely: first cup joint driving sleeve and pipeline, cup joint second sealing washer and pipeline, then with the interior intermediate layer block of pipeline and connecting pipe, then twist and move the driving sleeve, driving sleeve cooperation drive ring conflict second sealing washer, the conflict pipeline of second sealing washer deformation, and then make firm the connecting in the connecting pipe of pipeline, when the vacuum pump uses, under atmospheric pressure's effect, slide between pressure slide bar and the connecting pipe, the slide bar drives the wedge conflict drive ring, make the further conflict second sealing washer of drive ring, and then make the sealing performance to the pipeline better, make the installation of pipeline dismantle convenient and fast more.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram illustrating an overall structure of an extrusion apparatus for an injection mold according to a preferred embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of the portion B shown in FIG. 2;
FIG. 4 is a schematic view of the connection of the mounting structure and the sealing structure shown in FIG. 2;
FIG. 5 is an enlarged view of the portion C shown in FIG. 4;
FIG. 6 is an enlarged view of the portion D shown in FIG. 4;
fig. 7 is an enlarged view of the portion E shown in fig. 4.
In the figure: 1. the extruder comprises an extruder body, 2, a fixing structure, 21, a sleeve, 22, a driving block, 23, a limiting hole, 24, a first sealing ring, 25, a first stop block, 26, a driving block, 27, a driving rod, 28, a second stop block, 3, a lifting structure, 31, a pull rod, 32, a heat insulation sleeve, 4, a sealing structure, 41, a sealing gasket, 42, a driving rod, 43, a sealing rod, 44, a sealing plug, 45, a first return spring, 5, a limiting structure, 51, a connecting pipe, 52, a driving sleeve, 53, a second sealing ring, 54, a wedge-shaped block, 55, a sliding rod, 56, a driving ring, 6, an anti-blocking structure, 61, a limiting ring, 62, a scraping rod, 63, a driving strip, 64, a clamping block, 65, a second return spring, 66, a filter screen, 67 and an anti-blocking sleeve.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-7, the extrusion device for an injection mold according to the present invention includes an extruder body 1, a fixing structure 2, a lifting structure 3, a sealing structure 4, a limiting structure 5, and an anti-blocking structure 6; the extruder body 1 for plasticizing raw materials is provided with the fixed structure 2 for sealing, the bottom end of the fixed structure 2 is provided with the anti-blocking structure 6 for primarily preventing material overflow, and the anti-blocking structure 6 is connected with the fixed structure 2 in a sliding manner; the side wall of the fixed structure 2 is provided with the lifting structure 3 for lifting; the side wall of the fixed structure 2 is provided with the limiting structure 5 for fixing a vacuum pipeline, and the limiting structure 5 and the lifting structure 3 are symmetrically arranged; the top end of the fixed structure 2 is provided with the sealing structure 4 for sealing, and the sealing structure 4 is fixed on the anti-blocking structure 6.
Specifically, the fixing structure 2 comprises a sleeve 21, a driving block 22, a limiting hole 23, a first sealing ring 24, a first stop 25, a transmission block 26, a transmission rod 27 and a second stop 28, and the sleeve 21 and the extruder body 1 are abutted; the bottom end of the sleeve 21 is provided with an annular first stop dog 25, the sleeve 21 is provided with a first sealing ring 24 which is abutted against the first stop dog 25 and used for sealing, one end of the first sealing ring 24, which is deviated from the first stop dog 25, is abutted against the second stop dog 28, the second stop dog 28 is in sliding connection with the sleeve 21, the sleeve 21 is circumferentially arrayed with a plurality of transmission rods 27 connected to the second stop dog 28, the transmission rods 27 are in sliding connection with the sleeve 21, the end part of the transmission rod 27 is vertically provided with a plurality of transmission blocks 26, the transmission blocks 26 are abutted against the driving blocks 22, the driving blocks 22 are in a regular hexagon structure, the driving blocks 22 are in threaded connection with the sleeve 21, and the driving blocks 22 are provided with a plurality of limiting holes 23 which are communicated with each other; the extruder body 1 is provided with the fixing structure 2 for sealing, and the fixing structure 2 is arranged so that the fixing structure 2 can be conveniently installed after the extruder body 1 emits materials, and further, the fixing structure 2 is prevented from being sealed by a waterproof adhesive tape, so that the fixing structure 2 can be more conveniently and quickly installed, the vacuum effect in the extruder body 1 is improved, and the plasticizing effect is better; namely: when the sleeve 21 is installed, firstly, the sleeve 21 is abutted to the extruder body 1, then the driving block 22 is engaged with the driving block 22 in a regular hexagon through an adjustable wrench, the driving block 22 is rotated, the driving block 22 is in threaded connection with the sleeve 21, the driving block 22 is abutted to the driving block 26, the driving block 26 is abutted to the driving rod 27, the driving rod 27 is abutted to the second stopper 28, the second stopper 28 is matched with the first stopper 25 to abut to the first sealing ring 24, an accommodating cavity with an annular structure is arranged inside the first sealing ring 24, so that the first sealing ring 24 is extruded and deformed, the first sealing ring 24 is deformed to abut to the extruder body 1 and the sleeve 21, so that the sleeve 21 and the extruder body 1 are sealed, and after the first sealing ring 24 is heated and expanded, make extruder body 1 with leakproofness between the sleeve 21 is better, first sealing washer 24 is high temperature resistant sealing washer, and then makes extruder body 1's inside vacuum effect is better, and then has improved the plastify effect greatly, simultaneously on the drive block 22 the setting in spacing hole 23 is convenient for with the tip of screwdriver with spacing hole 23 block, and then the drive of being convenient for drive block 22, and then make the installation of sleeve 21 is dismantled more convenient and fast.
Specifically, prevent stifled structure 6 including spacing collar 61, scraping pole 62, transmission bar 63, fixture block 64, second reset spring 65, filter screen 66 and prevent stifled cover 67, the bottom of first dog 25 is equipped with a plurality of second reset spring 65, the one end of fixture block 64 run through in first dog 25 and extend to second reset spring 65, the other one end of first dog 25 contradict in transmission bar 63, sliding connection between transmission bar 63 and the sleeve 21, the cross-section of transmission bar 63 is trapezoidal, prevent stifled cover 67 with sliding connection between the sleeve 21, prevent stifled cover 67 be close to the one end of transmission bar 63 is round platform shape structure, prevent stifled cover 67 and deviate from the one end of transmission bar 63 is hemispherical structure, prevent stifled cover 67 with threaded connection between the spacing collar 61, prevent stifled cover 67 with the filter screen 66 that hemispherical structure was held to the centre gripping between the spacing collar 61, a plurality of ploughshare-shaped scraping rods 62 are arranged at the bottom end of the limiting ring 61 in a circumferential array; the anti-blocking structure 6 is connected with the fixed structure 2, when the temperature in the extruder body 1 is too low, raw materials which are not completely plasticized gradually block the anti-blocking structure 6 during material emitting, so that the emitted materials are abutted against the anti-blocking structure 6, the anti-blocking structure 6 has the function of preventing material emitting, when the pressure of the raw materials on the anti-blocking structure 6 is too large, the anti-blocking structure 6 drives the fixed structure 2 to be separated from the extruder body 1, so that the raw materials are prevented from blocking the fixed structure 2, and meanwhile, the anti-blocking structure 6 is convenient to clean the raw materials which are completely plasticized in the holes of the extruder body 1, so that the operation efficiency and the use safety performance of the extruder body 1 are greatly improved; namely: the filter screen 66 is of a hemispherical structure, so that the filter area is increased, the filter effect is better, the filter screen 66 is arranged to effectively prevent large-particle dust materials from entering the interior of the sleeve 21 to cause damage to the sleeve 21, when the plasticized materials enter the filter screen 66 along with the pressure of the screw, when the pressure is lower, the filter screen 66 preliminarily abuts against the materials to effectively prevent the materials from being discharged continuously, when the pressure is too high, the filter screen 66 is driven to abut against the anti-blocking sleeve 67, the anti-blocking sleeve 67 abuts against the transmission strip 63, the transmission strip 63 of the wedge-shaped structure abuts against the fixture block 64, the fixture block 64 abuts against the second reset spring 65 to be contracted, the fixture block 64 is not clamped with the sleeve 21, so that the first stopper 25 is slidable with the sleeve 21, and the first sealing ring 24 is not abutted against the extruder body 1, and then the sleeve 21 and the anti-blocking structure 6 thereof slide out of the extruder body 1 as a whole, so as to avoid the material blocking the sleeve 21, then the pulling structure 3 is held by hand, the sleeve 21 is rotationally pressed, the sleeve 21 drives the limiting ring 61 at the bottom end of the anti-blocking sleeve 67 and the filter screen 66 thereof to extrude the incompletely plasticized material, so that the material is pressed into the extruder body 1 again, so as to conduct the vacuum holes, the circumferential array at the bottom end of the limiting ring 61 is provided with a plurality of scraping rods 62, the scraping rods 62 are in a plough share shape, so as to scrape the plasticized material on the side wall of the hole while rotating, so as to achieve better cleaning effect, after the cleaning is completed, the anti-blocking sleeve 67 is detached, and even if the anti-blocking sleeve 67 and the filter screen 66 are replaced with new ones, the anti-blocking sleeve 67 and the filter screen 66 are cleaned, and disassembling the limiting ring 61, taking out the filter screen 66, and cleaning plasticized raw materials on the filter screen 66 to enable the filter screen 66 to be continuously used.
Specifically, the lifting structure 3 comprises a pull rod 31 and a heat insulation sleeve 32, the pull rod 31 of the U-shaped structure is fixed at one end of the sleeve 21 away from the limiting structure 5, and the sleeve 21 is provided with the heat insulation sleeve 32 of a hollow cylinder structure; the pull rod 31 is of a U-shaped structure, so that the sleeve 21 is driven more conveniently and rapidly, and meanwhile, the heat insulation sleeve 21 has a heat insulation effect and is more comfortable to operate.
Specifically, the sealing structure 4 includes a sealing pad 41, a driving rod 42, a sealing rod 43, a sealing plug 44 and a first return spring 45, the sealing pad 41 is engaged with the sleeve 21, the sealing plug 44 in a truncated cone shape is arranged inside the sleeve 21, one end of the driving rod 42 abuts against the sealing pad 41, the other end of the driving rod 42 is fixed to the filter screen 66, the sealing rod 43 with a truncated cone-shaped end portion penetrates through the sealing plug 44, the first return spring 45 is fixed to the sealing rod 43, and the bottom end of the first return spring 45 abuts against the sealing plug 44; seal structure 4 with conflict between fixed knot constructs 2, and then be convenient for realize fixed knot constructs 2's inside seal, simultaneously seal structure 4 is fixed in prevent stifled structure 6, and then be convenient for drive prevent stifled structure 6 shake, and then improved prevent stifled structure 6 prevent stifled performance, simultaneously prevent stifled structure 6 have right seal structure 4's supporting role, and then make seal structure 4's supporting effect is better, promptly: an operator presses the sealing gasket 41 at regular time, the sealing gasket 41 drives the driving rod 42 to drive the filter screen 66 to shake, so that the larger powder scraps are effectively prevented from being adhered to the filter screen 66, and simultaneously, under the action of vacuum difference, the pressure driving is performed, the anti-blocking sleeve 67 drives the filter screen 66 to abut against the driving rod 42, so that the driving rod 42 abuts against the sealing gasket 41, the sealing gasket 41 is more uniformly stressed, so that the sealing gasket 41 is more durable, when the sealing gasket 41 is damaged, the pressure at the top end of the sealing plug 44 is greater than that at the bottom end of the sealing plug 44, the sealing rod 43 is driven to abut against the sealing plug 44 under the action of atmospheric pressure, so that the first return spring 45 is compressed, and further, when the sealing gasket 41 is prevented from being damaged, the vacuum effect inside the extruder body 1 is poor, the plasticizing effect of the material is influenced, and the processing quality is greatly improved.
Specifically, the limiting structure 5 includes a connecting pipe 51, a driving sleeve 52, a second sealing ring 53, a sliding rod 55, a wedge block 54 and a transmission ring 56, the connecting pipe 51 is disposed at one end of the sleeve 21 away from the pull rod 31, an end portion of the connecting pipe 51 is of a sandwich structure, the driving sleeve 52 in threaded connection is disposed at an end portion of the connecting pipe 51, the connecting pipe 51 is internally provided with a plurality of the wedge blocks 54 and the transmission ring 56 in sliding connection, the wedge blocks 54 abut against the transmission ring 56, a cross section of the wedge blocks 54 is triangular, the wedge blocks 54 are fixed to the sliding rod 55, the sliding rod 55 is in sliding connection with the connecting pipe 51, the second sealing ring 53 in an annular structure is disposed between the transmission ring 56 and the driving sleeve 52, and the sealing ring 53 is clamped with the connecting pipe 51; the limiting structure 5 is fixed on the fixing structure 2, and the arrangement of the limiting structure 5 is convenient for fixing the vacuum pipeline through atmospheric pressure, so that the pipeline is more convenient and faster to mount and dismount; namely: firstly, the driving sleeve 52 is sleeved with a pipeline, the second sealing ring 53 is sleeved with the pipeline, then the pipeline is clamped with the inner interlayer of the connecting pipe 51, then the driving sleeve 52 is screwed, the driving sleeve 52 is matched with the driving ring 56 to abut against the second sealing ring 53, the second sealing ring 53 deforms to abut against the pipeline, so that the pipeline is firmly connected with the connecting pipe 51, when the vacuum pump is used, the sliding rod 55 is pressed to slide with the connecting pipe 51 under the action of atmospheric pressure, the sliding rod 55 drives the wedge block 54 to abut against the driving ring 56, the driving ring 56 further abuts against the second sealing ring 53, the sealing performance of the pipeline is better, and the pipeline is more convenient and faster to install and disassemble.
When the vacuum pump is used, the driving sleeve 52 is firstly sleeved with a pipeline, the second sealing ring 53 is sleeved with the pipeline, then the pipeline is clamped with the inner interlayer of the connecting pipe 51, then the driving sleeve 52 is screwed, the driving sleeve 52 is matched with the transmission ring 56 to abut against the second sealing ring 53, the second sealing ring 53 deforms to abut against the pipeline, so that the pipeline is firmly connected with the connecting pipe 51, when the vacuum pump is used, the sliding rod 55 and the connecting pipe 51 are pressed to slide under the action of atmospheric pressure, the sliding rod 55 drives the wedge block 54 to abut against the transmission ring 56, the transmission ring 56 further abuts against the second sealing ring 53, the sealing performance of the pipeline is better, and the pipeline is more convenient and faster to install and disassemble; when the sleeve 21 is installed, firstly, the sleeve 21 is abutted against the extruder body 1, then the sleeve is clamped with the regular hexagon driving block 22 through the adjustable wrench, the driving block 22 is rotated, the driving block 22 is in threaded connection with the sleeve 21, the driving block 22 is abutted against the driving block 26, the driving block 26 is abutted against the driving rod 27, the driving rod 27 is abutted against the second stop 28, the second stop 28 is matched with the first stop 25 to be abutted against the first sealing ring 24, the first sealing ring 24 is internally provided with a containing cavity with an annular structure, so that the first sealing ring 24 is extruded and deformed, the first sealing ring 24 is deformed to be abutted against the extruder body 1 and the sleeve 21, so that the sleeve 21 and the extruder body 1 are sealed, after the first sealing ring 24 is heated and expanded, the sealing performance between the extruder body 1 and the sleeve 21 is better, the first sealing ring 24 is a high-temperature-resistant sealing ring, so that the internal vacuum effect of the extruder, the plasticizing effect is greatly improved, and meanwhile, the limiting hole 23 in the driving block 22 is arranged, so that the end part of the screwdriver can be conveniently clamped with the limiting hole 23, the driving block 22 can be conveniently driven, and the sleeve 21 can be conveniently and quickly mounted and dismounted; the filter screen 66 is of a hemispherical structure, thereby increasing the filtering area and improving the filtering effect, the filter screen 66 is arranged to effectively prevent large-particle dust materials from entering the interior of the sleeve 21 to cause damage to the sleeve 21, when the materials with incomplete plasticization enter the filter screen 66 along with the pressure of the screw, when the pressure is smaller, the filter screen 66 primarily collides with the materials, the materials are effectively prevented from being continuously discharged, when the pressure is too large, the filter screen 66 is driven to collide with the anti-blocking sleeve 67, the anti-blocking sleeve 67 collides with the transmission strip 63, the transmission strip 63 of the wedge-shaped structure collides with the fixture block 64, the fixture block 64 collides with the second reset spring 65 to contract, the fixture block 64 is not clamped with the sleeve 21, so that the first fixture 25 can slide relative to the sleeve 21, the first seal ring 24 is not collided with the extruder body 1, the sleeve 21 and the anti-blocking structure 6 thereof can slide out of the extruder body 1 integrally, thereby preventing the materials from blocking the sleeve 21, then, the pulling structure 3 is held by hand, the sleeve 21 is rotationally pressed, the sleeve 21 drives the limiting ring 61 at the bottom end of the anti-blocking sleeve 67 and the filter screen 66 thereof to extrude incompletely plasticized materials, the materials are pressed into the extruder body 1 again, the vacuum holes are conducted, the circumferential array at the bottom end of the limiting ring 61 is provided with a plurality of scraping rods 62, the scraping rods 62 are in a plough share shape, the plasticized materials on the side walls of the holes can be conveniently scraped while rotating, and further the cleaning effect is better, after the cleaning is finished, the anti-blocking sleeve 67 is detached, even if the anti-blocking sleeve 67 and the filter screen 66 are replaced with new ones, the anti-blocking sleeve 67 and the filter screen 66 which are bonded with the materials are cleaned, the limiting ring 61 is detached, the filter screen 66 is taken out, the plasticized materials on the filter screen 66 are cleaned, and the filter screen 66 can be continuously used; an operator presses the sealing gasket 41 at regular time, the sealing gasket 41 drives the driving rod 42 to drive the filter screen 66 to shake, and then the large powder scraps are effectively prevented from being bonded on the filter screen 66, and simultaneously under the action of vacuum difference, the pressure drive prevents the blocking sleeve 67 from driving the filter screen 66 to conflict the driving rod 42, make the sealing gasket 42 conflict the sealing gasket 41, make the sealing gasket 41 stress more even, make the sealing gasket 41 more durable, when the sealing gasket 41 is damaged, the pressure on the top of the sealing gasket 44 is greater than the pressure at the bottom of the sealing gasket 44, drive the sealing rod 43 to conflict with the sealing gasket 44 under the action of atmospheric pressure, and then make the compression of the first reset spring 45, and then when the sealing gasket 41 is prevented from being damaged, the vacuum effect of the inside of the extruder body 1 is poor, the plasticizing effect of the material is influenced, and further the processing quality is greatly improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. An extrusion device for an injection mold, characterized in that: comprises an extruder body (1), a fixing structure (2), a lifting structure (3), a sealing structure (4), a limiting structure (5) and an anti-blocking structure (6); the extruder body (1) used for plasticizing raw materials is provided with the fixed structure (2) used for sealing, the bottom end of the fixed structure (2) is provided with the anti-blocking structure (6) used for preliminarily preventing material leakage, and the anti-blocking structure (6) is in sliding connection with the fixed structure (2); the side wall of the fixed structure (2) is provided with a lifting structure (3) for lifting; the side wall of the fixed structure (2) is provided with the limiting structure (5) for fixing the vacuum pipeline, and the limiting structure (5) and the lifting structure (3) are symmetrically arranged; the top end of the fixed structure (2) is provided with the sealing structure (4) for sealing, and the sealing structure (4) is fixed on the anti-blocking structure (6);
the anti-blocking structure (6) comprises a limiting ring (61), a scraping rod (62), a transmission strip (63), a clamping block (64), a second reset spring (65), a filter screen (66) and an anti-blocking sleeve (67), the bottom end of the sleeve (21) is provided with a first annular clamping block (25), the bottom end of the first clamping block (25) is provided with a plurality of second reset springs (65), one end of the clamping block (64) penetrates through the first clamping block (25) and extends to the second reset spring (65), the other end of the first clamping block (25) abuts against the transmission strip (63), the transmission strip (63) is in sliding connection with the sleeve (21), the cross section of the transmission strip (63) is trapezoidal, the anti-blocking sleeve (67) is in sliding connection with the sleeve (21), one end, close to the transmission strip (63), of the sleeve (67) is of a circular truncated cone-shaped structure, one end of the anti-blocking sleeve (67) departing from the transmission bar (63) is of a hemispherical structure, the anti-blocking sleeve (67) is in threaded connection with the limiting ring (61), the filter screen (66) of the hemispherical structure is clamped between the anti-blocking sleeve (67) and the limiting ring (61), and a plurality of ploughshare-shaped scraping rods (62) are arranged at the bottom end of the limiting ring (61) in a circumferential array;
seal structure (4) including sealed pad (41), actuating lever (42), sealing rod (43), sealing plug (44) and first reset spring (45), sealed pad (41) with sleeve (21) block, the inside of sleeve (21) is equipped with the round platform shape sealing plug (44), the one end of actuating lever (42) with sealed pad (41) are contradicted, the other one end of actuating lever (42) is fixed in filter screen (66), it has the tip to be the round platform shape to run through on sealing plug (44) sealing rod (43), be fixed with on sealing rod (43) first reset spring (45), the bottom of first reset spring (45) contradict in sealing plug (44).
2. An extrusion apparatus for an injection mold as defined in claim 1, wherein: the fixing structure (2) comprises a sleeve (21), a driving block (22), a limiting hole (23), a first sealing ring (24), a first stop block (25), a transmission block (26), a transmission rod (27) and a second stop block (28), and the sleeve (21) is abutted to the extruder body (1); the sleeve (21) is provided with the first sealing ring (24) which is abutted against the first stop block (25) and is used for sealing, one end of the first sealing ring (24) departing from the first stop block (25) is abutted against the second stop block (28), the second block (28) is connected with the sleeve (21) in a sliding way, a plurality of transmission rods (27) connected with the second block (28) are arranged on the sleeve (21) in a circumferential array, the transmission rod (27) is connected with the sleeve (21) in a sliding way, a plurality of transmission blocks (26) are vertically arranged at the end part of the transmission rod (27), the driving block (22) is abutted on the transmission block (26), the driving block (22) is of a regular hexagon structure, the driving block (22) is in threaded connection with the sleeve (21), and a plurality of mutually-communicated limiting holes (23) are formed in the driving block (22).
3. An extrusion apparatus for an injection mold as claimed in claim 2, wherein: carry and draw structure (3) including pull rod (31) and radiation shield (32), the U-shaped structure pull rod (31) are fixed in sleeve (21) deviates from the one end of limit structure (5), be equipped with hollow cylinder structure on sleeve (21) radiation shield (32).
4. An extrusion apparatus for an injection mold as claimed in claim 3, wherein: limiting structure (5) is including connecting pipe (51), driving sleeve (52), second sealing washer (53), slide bar (55), wedge (54) and drive ring (56), sleeve (21) one end that deviates from pull rod (31) is located in connecting pipe (51), the tip of connecting pipe (51) is sandwich structure, the tip of connecting pipe (51) is equipped with threaded connection driving sleeve (52), the inside of connecting pipe (51) is equipped with sliding connection a plurality of wedge (54) with drive ring (56), wedge (54) with drive ring (56) are contradicted, the cross-section of wedge (54) is triangle-shaped, wedge (54) are fixed in slide bar (55), slide bar (55) with sliding connection between connecting pipe (51), drive ring (56) with be equipped with annular structure between the drive sleeve (52) second sealing washer (53), the seal ring (53) is engaged with the connection pipe (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910679657.8A CN110355947B (en) | 2019-07-26 | 2019-07-26 | Extrusion device for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910679657.8A CN110355947B (en) | 2019-07-26 | 2019-07-26 | Extrusion device for injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110355947A CN110355947A (en) | 2019-10-22 |
| CN110355947B true CN110355947B (en) | 2021-09-07 |
Family
ID=68222420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910679657.8A Active CN110355947B (en) | 2019-07-26 | 2019-07-26 | Extrusion device for injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110355947B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112637980B (en) * | 2020-12-21 | 2022-04-19 | 天津华能杨柳青热电有限责任公司 | Far infrared flexible electric heating jacket |
| CN114131840A (en) * | 2021-10-28 | 2022-03-04 | 南京名冠塑业有限责任公司 | Injection molding machine is used in plastics tray production with prevent blockking up structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005087477A1 (en) * | 2004-03-16 | 2005-09-22 | Evgeniy Petrovich Barmashyn | Extrusion machine for processing of thermoplastic polymeric materials |
| CN101432119A (en) * | 2006-04-27 | 2009-05-13 | 奥地利埃瑞玛再生工程机械设备有限公司 | Device for degassing and filtering plastic melts |
| WO2011096396A1 (en) * | 2010-02-05 | 2011-08-11 | 住友ベークライト株式会社 | Degasifier |
| US8038425B2 (en) * | 2008-04-21 | 2011-10-18 | Progressive Components International Corporation | Injection mold friction puller |
| CN103561942A (en) * | 2011-05-27 | 2014-02-05 | 斯奈克玛 | Pressure-maintaining device for creating composite components by injecting resin and associated method |
| CN104149309A (en) * | 2014-08-13 | 2014-11-19 | 无锡联创薄板有限公司 | Filter screen for extruding machine |
| CN205631300U (en) * | 2015-12-24 | 2016-10-12 | 嵊州市意海电机配件厂 | Extruding machine |
| CN206300502U (en) * | 2016-12-01 | 2017-07-04 | 界首市东威塑业有限公司 | Plastic extruder filter screen regenerating furnace waste gate structure |
| CN206455918U (en) * | 2016-12-06 | 2017-09-01 | 张家港市美特高分子材料有限公司 | A kind of gas treatment equipment of TPV screw extruders |
-
2019
- 2019-07-26 CN CN201910679657.8A patent/CN110355947B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005087477A1 (en) * | 2004-03-16 | 2005-09-22 | Evgeniy Petrovich Barmashyn | Extrusion machine for processing of thermoplastic polymeric materials |
| CN101432119A (en) * | 2006-04-27 | 2009-05-13 | 奥地利埃瑞玛再生工程机械设备有限公司 | Device for degassing and filtering plastic melts |
| US8038425B2 (en) * | 2008-04-21 | 2011-10-18 | Progressive Components International Corporation | Injection mold friction puller |
| WO2011096396A1 (en) * | 2010-02-05 | 2011-08-11 | 住友ベークライト株式会社 | Degasifier |
| CN103561942A (en) * | 2011-05-27 | 2014-02-05 | 斯奈克玛 | Pressure-maintaining device for creating composite components by injecting resin and associated method |
| CN104149309A (en) * | 2014-08-13 | 2014-11-19 | 无锡联创薄板有限公司 | Filter screen for extruding machine |
| CN205631300U (en) * | 2015-12-24 | 2016-10-12 | 嵊州市意海电机配件厂 | Extruding machine |
| CN206300502U (en) * | 2016-12-01 | 2017-07-04 | 界首市东威塑业有限公司 | Plastic extruder filter screen regenerating furnace waste gate structure |
| CN206455918U (en) * | 2016-12-06 | 2017-09-01 | 张家港市美特高分子材料有限公司 | A kind of gas treatment equipment of TPV screw extruders |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110355947A (en) | 2019-10-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110355947B (en) | Extrusion device for injection mold | |
| CN111016065A (en) | Plastic injection molding device and injection molding method | |
| CN109333920A (en) | Feed nozzle is used in a kind of production of plastic product | |
| CN210679242U (en) | Novel processing equipment for plastic products | |
| CN215970003U (en) | Oil delivery rubber pipe forming die | |
| CN112277272A (en) | Mold locking device for injection molding machine and using method | |
| CN110014563A (en) | A kind of vacuum sizing device | |
| CN207172603U (en) | A kind of nozzle for injection machine | |
| CN201128220Y (en) | Hot pressing extruder for polytetrafluorethylene rod | |
| CN116039021A (en) | Injection molding machine convenient to annotate plastic bucket unloading | |
| CN114589874A (en) | Injection molding device for production of washing machine accessories and injection molding method thereof | |
| CN109198709A (en) | A kind of food bulking machine | |
| CN114311555A (en) | Injection molding device with opening and rotating bottleneck | |
| CN211334284U (en) | Injection molding device for tough scratch-resistant PMMA/ABS box material | |
| CN109591270B (en) | Film spraying mold structure with rapid cleaning function and cleaning method thereof | |
| CN207972240U (en) | A kind of synchronous injection mold | |
| CN102886857A (en) | Rubber injection gun barrel | |
| CN210501210U (en) | Automobile lamp die convenient for wiping release agent | |
| CN207240783U (en) | A kind of PVC board extrusion moulding apparatus | |
| CN220257951U (en) | Granule processingequipment is used in production of water-soluble fertilizer | |
| CN205343728U (en) | Driving valve and plastics extruder who uses thereof | |
| CN205614969U (en) | Device of clearance extruder die head filter screen | |
| CN217123904U (en) | Novel black line eliminating device for extruder | |
| CN210208125U (en) | Solder extrusion device | |
| CN117656316B (en) | Vulcanizing press for rubber product production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210818 Address after: No.8, Longxiang Road, Qujiang District, Quzhou City, Zhejiang Province Applicant after: Quzhou Dongsheng daily necessities Co.,Ltd. Address before: Room 801, building 1, Luyuan, No. 636, Lugu Avenue, Changsha high tech Development Zone, Changsha City, Hunan Province, 410205 Applicant before: CHANGSHA QIUDIANBING INFORMATION TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An extrusion device for injection molds Effective date of registration: 20231229 Granted publication date: 20210907 Pledgee: Zhejiang Tailong commercial bank Quzhou branch of Limited by Share Ltd. Pledgor: Quzhou Dongsheng daily necessities Co.,Ltd. Registration number: Y2023980074388 |