CN210705935U - Extruder die head assembly for plastic production - Google Patents
Extruder die head assembly for plastic production Download PDFInfo
- Publication number
- CN210705935U CN210705935U CN201921487726.7U CN201921487726U CN210705935U CN 210705935 U CN210705935 U CN 210705935U CN 201921487726 U CN201921487726 U CN 201921487726U CN 210705935 U CN210705935 U CN 210705935U
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- filter plate
- die head
- slot
- die
- extruder
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an extruder die head subassembly is used in plastics production, including the die head mount pad, set up the adapter sleeve in die head mount pad front side, install the die head in the adapter sleeve, set up first slot and corresponding first draw-in groove and second slot and corresponding second draw-in groove at die head mount pad lateral wall, install the first filter plate in first slot and first draw-in groove, install the second filter plate in second slot and second draw-in groove and the hydraulic means who is equipped with 2 hydraulic stems that links to each other with first filter plate and second filter plate. The utility model discloses a thereby the die head subassembly has solved the extruder die head and has easily blockked up and shut down the clearance because of blockking up and reduce production efficiency, the die head specification can't be changed according to the production needs and the die head extrudes the problem that the mouth damaged because of the impact force is too big when the fluid passes through.
Description
Technical Field
The utility model relates to a plastics production facility technical field especially relates to plastics production is with extruder die head subassembly.
Background
In the processing process of the plastic product, the plastic product is extruded and granulated by a screw extruder so as to fully and uniformly mix all the components. Extrusion die is the indispensable part of extruder, and current extrusion die and extruder structure as an organic whole, and at extrusion process, the die head of different specifications need be changed to the product of different specifications, and the pore on the die head blocks up easily, need shut down after the jam and dredge just can continue production, and the mediation degree of difficulty is great, not only greatly reduced production efficiency, still easily scrap to manufacturing cost has been increased. Therefore, improvements to the extruder die are imperative.
The extruder die with the replaceable die head disclosed in the Chinese patent publication No. CN 108621398A has the advantages that the die head can be conveniently replaced by the design of the clamping plate with the die head, so that the cost of the extruder die is reduced; the anti-blocking performance of the extrusion die is improved through the design of the filter screens on the two sides of the die head; through the design of the vacuum device communicated with the discharge hole, the quality of the extruded materials is improved. Although this patent has solved the problem that the die head was easily blockked up and inconvenient to be changed, but has not solved the problem that can't continuous production because of mediation die head blocks up, and the design of its filter screen on the one hand inconvenient clearance or change when blockking up, on the other hand can increase the fluid impact force when the fluid rushes to damage the extrusion opening of filter screen and die head.
In view of the above, there is a need to further develop an improved existing extruder die to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an extruder die head subassembly is used in plastics production to thereby solve the extruder die head and easily block up and shut down the clearance because of blockking up and reduce production efficiency, die head specification and can't change and the problem of inside filter screen and die head extrusion opening because of the too big damage of impact force when the fluid passes through.
In order to achieve the above purpose, the technical scheme of the utility model is that: the die head assembly of the extruder for producing the plastics comprises a die head mounting seat, wherein the die head mounting seat is designed into a box body with an open rear side, the open end of the die head mounting seat is connected with a screw chamber of an external extruder, and an inner chamber is formed inside the box body;
a connecting sleeve is arranged on the front side of the die head mounting seat and communicated with an inner cavity of the die head mounting seat, and an internal thread is arranged on the connecting sleeve;
a die head is arranged in the connecting sleeve and comprises a die head main body, a plurality of extrusion holes arranged at the front end of the die head main body and external threads arranged at the rear part of the die head main body, and the external threads are matched with the internal threads of the connecting sleeve;
two slots, namely a first slot and a second slot, are vertically arranged on the right side wall of the die head mounting seat;
a first clamping groove and a second clamping groove are respectively formed in the positions, corresponding to the first slot and the second slot, of the left side wall of the die head mounting seat;
the first filter plate is designed to be a cuboid with a hollow interior and comprises a first filter plate main body, a filter plate handle arranged at one end of the first filter plate main body, a plurality of first filter holes arranged on the front surface of the first filter plate main body and a plurality of second filter holes arranged on the back surface of the first filter plate main body;
the second filter plate is consistent with the first filter plate in design and comprises a second filter plate main body, a filter plate handle arranged at one end of the second filter plate main body, a plurality of first filter holes arranged on the front surface of the second filter plate main body and a plurality of second filter holes arranged on the back surface of the second filter plate main body;
and a hydraulic device is arranged on the right side of the die head mounting seat, the hydraulic device comprises a hydraulic cylinder and 2 hydraulic rods which are assembled on the same side of the hydraulic cylinder and can independently stretch out and draw back, and the 2 hydraulic rods are respectively connected and fixed with the filter plate handle ends of the first filter plate and the second filter plate through bolts.
Further, the die head main body is of a cylindrical design with a hollow interior, and the outer diameter of the die head main body is matched with the inner diameter of the connecting sleeve.
Further, the width of the first slot is the same as that of the first card slot; the width of the second slot is the same as the width of the second card slot.
Furthermore, the widths of the first slot, the second slot, the first card slot and the second card slot are the same.
Still further, follow the frame of first slot and second slot all is equipped with the sealing strip, the sealing strip is high temperature resistant silica gel material.
Further, the thickness of the first filter plate is consistent with that of the first slot; the thickness of the second filter plate is consistent with that of the second slot.
Further, the aperture of the second filter hole is smaller than that of the first filter hole.
Further, when the first filter plate and the second filter plate are completely inserted into the die head mounting seat, the filter plate handles are both left outside the die head mounting seat.
Furthermore, when the first filter plate is inserted into the die head base, the back surface of the second filter hole is placed towards the inner cavity of the die head mounting seat.
Furthermore, when the second filter plate is inserted into the die head base, the front side of the first filter hole is placed towards the inner cavity of the die head mounting seat.
The beneficial effects of the utility model reside in that:
1. the utility model adopts the combined design of the first filter plate and the second filter plate, wherein, the first filter plate mainly plays the role of impurity filtering and blockage prevention, and the second filter plate mainly plays the role of adjusting the fluid impact force to prevent the die head extrusion opening from being damaged;
2. the utility model adopts the design that the first filter plate and the second filter plate are inserted into the side surfaces and the hydraulic rod is adopted for fixing or controlling the drawing and inserting, when the first filter plate or the second filter plate is blocked and needs to be cleaned and dredged, the part from the side surface to the filter hole is completely exposed, and the extruder can be flushed and dredged in a spraying mode, thus the extruder is still in a sealing state without stopping the extruder, and the production efficiency is greatly improved;
3. the utility model discloses a die head adopts detachable design, has made things convenient for and has changed the die head production according to the product specification, and need not whole change die head assembly to manufacturing cost has been reduced, can extensively popularize and apply.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic diagram of a die head structure according to an embodiment of the present invention;
FIG. 3 is a first schematic structural view of a die head mounting base according to an embodiment of the present invention;
FIG. 4 is a second schematic structural view of a die head mounting base according to an embodiment of the present invention;
fig. 5 is a first schematic view of a filter plate according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a filter plate according to an embodiment of the present invention;
reference numerals: the die head comprises a die head mounting seat 1, a connecting sleeve 2, a die head 3, a first filter plate 4, a second filter plate 5, a hydraulic device 6, a first slot 11, a second slot 12, a first clamping groove 13, a second clamping groove 14, a die head main body 31, an extrusion hole 32, an external thread 33, a filter plate handle 41, a first filtering hole 42, a second filtering hole 43, a filter plate handle 51, a first filtering hole 52 and a second filtering hole 53.
Detailed Description
In order to more clearly describe the technical content of the present invention, the following further description is given with reference to specific embodiments.
As shown in fig. 1-6, the die head assembly of the extruder for plastic production of the present invention comprises a die head mounting seat 1, a connecting sleeve 2, a die head 3, a first filter plate 4, a second filter plate 5 and a hydraulic device 6.
The die head mounting seat 1 is designed as a box body with an open rear side, the open end of the die head mounting seat is connected with a screw chamber of an external extruder, and an inner chamber is formed inside the box body.
The front side of the die head mounting seat 1 is provided with a connecting sleeve 2, the connecting sleeve 2 is communicated with the inner cavity of the die head mounting seat 1, and the connecting sleeve 2 is provided with an internal thread.
The die head 3 is installed in the connecting sleeve 2, and the die head 3 comprises a die head main body 31, a plurality of extrusion holes 32 arranged at the front end of the die head main body 31, and external threads 33 arranged at the rear part of the die head main body 31.
Further, the die head main body 31 is of a cylindrical design with a hollow interior, and the outer diameter of the die head main body 31 is matched with the inner diameter of the connecting sleeve 2; the external thread 33 is matched with the internal thread of the connecting sleeve 2; the die head 3 is installed in the connecting sleeve 2 through the external thread 33 at the rear part thereof. Such a design facilitates selection of dies with different sizes of extrusion orifices 32 according to the specifications of the extruded product.
Two slots, namely a first slot 11 and a second slot 12, are vertically arranged on the right side wall of the die head mounting seat 1; a first clamping groove 13 and a second clamping groove 14 are respectively arranged on the left side wall of the die head mounting seat 1 corresponding to the first slot 11 and the second slot 12.
Further, the width of the first slot 11 is the same as the width of the first card slot 13; the width of the second slot 12 is the same as the width of the second card slot 14.
Furthermore, the widths of the first slot 11, the second slot 12, the first card slot 13 and the second card slot 14 are the same.
Still further, in order to achieve a better sealing effect, sealing strips (the sealing strips are common knowledge technologies and not shown in the drawings) are arranged along the borders of the first slot 11 and the second slot 12, and the sealing strips are made of high-temperature-resistant silica gel.
The utility model discloses a difference point of comparing in prior art lies in: the utility model discloses a filter screen setting among the filter plate replacement prior art has fluid shock resistance better, just the utility model discloses a joint design of first filter plate 4 and second filter plate 5, wherein, first filter plate 4 mainly plays the effect that filtering impurity prevents blockking up, and second filter plate 5 mainly plays and adjusts the fluid impact force and prevents that the die head from extruding mouthful impaired effect, and first filter plate 4 and second filter plate 5's concrete structure does:
first filter plate 4 is the design of inside hollow cuboid, just the thickness of first filter plate 4 with the thickness of first slot 11 is unanimous, first filter plate 4 includes first filter plate main part, sets up at the filter plate handle 41 of first filter plate main part one end, sets up at the positive a plurality of first filtration pores 42 of first filter plate main part and sets up a plurality of second filtration pores 43 at the first filter plate main part back, first filter plate 4 passes first slot 11 and inserts in corresponding first draw-in groove 13, and filter plate handle 41 outwards, and the back of first filter plate main part is placed towards the inner chamber of die head mount pad 1.
Further, the second filter holes 43 have a smaller diameter than the first filter holes 42, such that when the molten fluid in the extruder passes through the first filter plate 4, large-particle impurities therein are blocked by the first filter holes 42, and small-particle impurities flow with the fluid to the second filter holes 43 and are blocked by the second filter holes 43, and the first filter holes 42 and the second filter holes 43 have a first-larger-diameter design and a second-smaller-diameter design, which are effective in preventing the filter holes of the first filter plate 4 from being blocked.
The design of second filter plate 5 and first filter plate 4 is unanimous mutually, wholly is the design of inside hollow cuboid, just the thickness of second filter plate 5 with the thickness of second slot 12 is unanimous mutually, second filter plate 5 includes second filter plate main part, sets up at the filter plate handle 51 of second filter plate main part one end, sets up at the positive a plurality of first filtration pores 52 of second filter plate main part and sets up at a plurality of second filtration pores 53 at the second filter plate main part back, second filter plate 5 passes second slot 12 and inserts in corresponding second draw-in groove 14, and filter plate handle 51 outwards, the front of second filter plate 5 is placed towards the inner chamber of die head mount pad 1.
Furthermore, the aperture of the second filtering holes 53 is smaller than that of the first filtering holes 52, so that on one hand, when the fluid passes through the second filtering plate 5, the second filtering holes 53 can continuously block impurities which are not blocked by the first filtering plate 4, and on the other hand, the first-size and second-size design of the apertures of the second filtering holes 53 and the first filtering holes 52 can play a role in adjusting the pressure of the fluid, so that the die head is prevented from being damaged due to overlarge impact pressure when the fluid passes through the die head.
Further, a pressure sensor (which is conventional and not shown) is disposed in each of the first filter plate 4 and the second filter plate 5.
The utility model discloses compare in another difference point of prior art and lie in: in the extrusion process, the first filter plate 4 and the second filter plate 5 are fixed with the die head mounting seat 1 through the hydraulic device 6, when the first filter plate 4 is blocked and needs to be cleaned, the filter holes of the first filter plate 4 can be completely exposed at the uniform speed through the hydraulic device 6, at the moment, the extruder is still in a sealing state, fluid overflow cannot cause loss, then the second filter holes 43 side is cleaned and dredged in a spraying mode, and therefore the extruder is not required to be stopped for processing, and the production efficiency is greatly improved.
The hydraulic device 6 comprises a hydraulic cylinder and 2 hydraulic rods which are arranged on the hydraulic cylinder and can independently stretch out and draw back, the 2 hydraulic rods are respectively fixed with the first filter plate 4 and the second filter plate 5 through bolts, when the first filter plate 4 is blocked and needs to be cleaned and dredged, a sensor in the first filter plate 4 transmits a signal to a control system (the control system is a conventional technology and not shown in the figure) of the hydraulic device 6, the hydraulic rods connected with the first filter plate 4 draw out the first filter plate 4 at a constant speed under the instruction of the control system to expose the part of a filter hole, the hydraulic rods send an instruction through the control system after the cleaning and dredging are finished to push the first filter plate 4 into the first clamping groove 11 at a constant speed and prop against the first filter plate 4, and the action process of the second filter plate 5 can be known in the same way.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited thereto, and that various changes and modifications may be made without departing from the spirit of the invention.
Claims (10)
1. The die head assembly of the extruder for producing the plastics is characterized by comprising a die head mounting seat, wherein the die head mounting seat is designed into a box body with an open rear side, the open end of the die head mounting seat is connected with a screw chamber of an external extruder, and an inner chamber is formed inside the box body; a connecting sleeve is arranged on the front side of the die head mounting seat and communicated with an inner cavity of the die head mounting seat, and an internal thread is arranged on the connecting sleeve; a die head is arranged in the connecting sleeve and comprises a die head main body, a plurality of extrusion holes arranged at the front end of the die head main body and external threads arranged at the rear part of the die head main body, and the external threads are matched with the internal threads of the connecting sleeve; two slots, namely a first slot and a second slot, are vertically arranged on the right side wall of the die head mounting seat; a first clamping groove and a second clamping groove are respectively formed in the positions, corresponding to the first slot and the second slot, of the left side wall of the die head mounting seat; the first filter plate is designed to be a cuboid with a hollow interior and comprises a first filter plate main body, a filter plate handle arranged at one end of the first filter plate main body, a plurality of first filter holes arranged on the front surface of the first filter plate main body and a plurality of second filter holes arranged on the back surface of the first filter plate main body; the second filter plate is consistent with the first filter plate in design and comprises a second filter plate main body, a filter plate handle arranged at one end of the second filter plate main body, a plurality of first filter holes arranged on the front surface of the second filter plate main body and a plurality of second filter holes arranged on the back surface of the second filter plate main body; and a hydraulic device is arranged on the right side of the die head mounting seat, the hydraulic device comprises a hydraulic cylinder and 2 hydraulic rods which are assembled on the same side of the hydraulic cylinder and can independently stretch out and draw back, and the 2 hydraulic rods are respectively connected and fixed with the filter plate handle ends of the first filter plate and the second filter plate through bolts.
2. The extruder die head assembly for plastic production as claimed in claim 1, wherein the die body is of a cylindrical design with a hollow interior, and the outer diameter of the die body matches the inner diameter of the connecting sleeve.
3. The extruder die assembly for plastic production of claim 1, wherein the width of the first slot is the same as the width of the first slot; the width of the second slot is the same as the width of the second card slot.
4. The extruder die head assembly for plastic production as recited in claim 3, wherein the first slot, the second slot, the first slot, and the second slot are all the same width.
5. The extruder die head assembly for plastic production as claimed in claim 4, wherein sealing strips are arranged along the rims of the first slot and the second slot, and the sealing strips are made of high temperature resistant silica gel.
6. The plastic production extruder die assembly of claim 1, wherein the first filter plate has a thickness corresponding to a thickness of the first slot; the thickness of the second filter plate is consistent with that of the second slot.
7. The extruder die head assembly for plastic production as claimed in claim 1, wherein the second filtering holes have a smaller hole diameter than the first filtering holes.
8. The plastic production extruder die assembly of claim 6, wherein the filter plate handles of the first filter plate and the second filter plate are retained outside the die mount when the first filter plate and the second filter plate are fully inserted into the die mount.
9. The die head assembly of an extruder for producing plastic according to claim 6, wherein the first filter plate is inserted into the die base such that the back surface of the first filter plate where the second filter hole is located is positioned toward the inner chamber of the die mounting seat.
10. The die head assembly of an extruder for producing plastic according to claim 6, wherein the second filter plate is inserted into the die base such that the front surface of the second filter plate where the first filter holes are located is positioned toward the inner chamber of the die mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921487726.7U CN210705935U (en) | 2019-09-06 | 2019-09-06 | Extruder die head assembly for plastic production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921487726.7U CN210705935U (en) | 2019-09-06 | 2019-09-06 | Extruder die head assembly for plastic production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210705935U true CN210705935U (en) | 2020-06-09 |
Family
ID=70956959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921487726.7U Expired - Fee Related CN210705935U (en) | 2019-09-06 | 2019-09-06 | Extruder die head assembly for plastic production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210705935U (en) |
-
2019
- 2019-09-06 CN CN201921487726.7U patent/CN210705935U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 Termination date: 20210906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |