CN213166776U - Multi-layer and multi-color sheet extrusion die - Google Patents
Multi-layer and multi-color sheet extrusion die Download PDFInfo
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- CN213166776U CN213166776U CN202021849568.8U CN202021849568U CN213166776U CN 213166776 U CN213166776 U CN 213166776U CN 202021849568 U CN202021849568 U CN 202021849568U CN 213166776 U CN213166776 U CN 213166776U
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Abstract
The utility model discloses a multilayer polychrome sheet extrusion tooling, including at least three template, all the template superposes and forms a discharge gate, adjacent two at the exit end the template cooperation forms a die cavity, all the die cavity dislocation all with the discharge gate intercommunication forms and supplies multiple colour sheet to be one row of extrusion moulding's inner chamber simultaneously. The utility model discloses a plurality of die cavities that are located different layers and dislocation distribution once extrude the sheet of multiple different colours, improve production efficiency.
Description
Technical Field
The utility model belongs to the technical field of the mould, especially, relate to a multilayer polychrome sheet extrusion tooling.
Background
The production process of the sheet of the existing extruding machine comprises the following steps: (1) melting PP and PET raw materials and then mixing; (2) compacting, homogenizing, outputting and extruding the mixture into a sprue of a die through a screw extrusion metering pump, (3) continuously maintaining pressure in the die, extruding the raw materials into sheets, and (4) uniformly and continuously drawing a shaping wheel, and cooling to form the sheets. Because the conventional extrusion molding die can only extrude single-color sheets, the production efficiency is low, and the mass production of sheets with various colors cannot be met.
Therefore, the inventors have endeavored to design a sheet extrusion die to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a multilayer polychrome sheet extrusion tooling, through a plurality of die cavities that are located different layers and the dislocation distributes, once extrude the sheet of multiple different colours, improve production efficiency.
In order to achieve the above object, the utility model discloses a technical scheme who adopts is:
the utility model provides a multilayer polychrome sheet extrusion tooling, includes at least three template, all the template superposes and forms a discharge gate at the exit end, and adjacent two the template cooperation forms a die cavity, all the die cavity dislocation all with the discharge gate intercommunication forms and supplies the multiple color sheet to be one row of extrusion moulding's inner chamber simultaneously.
The utility model discloses in, the sheet of a die cavity shaping colour, the back is extruded in the shaping of corresponding die cavity to the melting raw materials of multiple colour, from the unified ejection of compact of discharge gate department, the utility model discloses a mould, two adjacent templates form the one deck, and all die cavities are located different layers, prevent to influence each other between the different die cavities, cause the color mixing in the sheet forming process, and all die cavities dislocation is arranged to the sheet of different colours is one row of unified ejection of compact in discharge gate department.
As an improvement of the multi-layer multi-color sheet extrusion mold, the utility model is adjacent two the formation is kept apart through the spacer between the template the die cavity prevents that the die cavity on different layers from superposing after extrusion molding.
As an improvement of the multi-layer multi-color sheet extrusion mold of the present invention, the spacer is adjacent to any one of the mold plates integrally formed so as to save the mold manufacturing cost.
As the utility model discloses a multilayer polychrome sheet extrusion tooling's an improvement, the degree of depth of die cavity along extrude the direction reduce gradually until with the discharge gate degree of depth is the same, makes the melting raw materials in the die cavity be the gradient extrusion, improves the extrusion quality.
As the utility model discloses the improvement of multilayer polychrome sheet extrusion tooling, one of them the die cavity extrude the end with discharge gate horizontal butt joint, other the die cavity extrude the end with the discharge gate is acute angle slope butt joint, prevents the molten raw materials cross color in each die cavity.
As an improvement of the multi-layer multi-color sheet extrusion mold of the present invention, the top the mold plate is provided with a gate and a top through a slope, the mold cavity is communicated with the bottom of the mold plate is provided with a gate and a bottom through another slope, the mold cavity is communicated with the bottom, and the melting raw material is accelerated to flow into the mold cavity of the top and the bottom.
As the utility model discloses a multilayer polychrome sheet extrusion tooling's an improvement, template both sides face is equipped with a curb plate respectively, the curb plate lid is located and is close to this curb plate on the die cavity side, prevent to be close to the interior melting raw materials of die cavity of curb plate and flow.
As an improvement of the multi-layer multi-color sheet extrusion die, the top the discharge end spiro union of template has a plurality of adjustable to go up the die lip regulating block, and is a plurality of go up die lip regulating block and top the template joint is a plurality of go up and connect through a central axis between the die lip regulating block.
Through adjusting each last die lip regulating block, the degree of depth at each position of the discharge end of the template on adjustable top to the plane degree of adjustment sheet, in order to improve the adjustment uniformity of a plurality of last die lip regulating blocks, connect through a central axis between a plurality of last die lip regulating blocks.
As the utility model discloses multilayer polychrome sheet extrusion tooling's a improvement, the bottom the discharge end spiro union of template has a lower mould lip piece that the tilting was adjusted, lower mould lip piece is located go up mould lip regulating block below.
The utility model discloses a lip regulating block and lower mould lip piece on the adjustment reach the purpose in adjustment lip clearance.
As the utility model discloses a multilayer polychrome sheet extrusion tooling's an improvement, top and bottom on the compound die inclined plane of template respectively the spiro union have a regulating block that the tilting was adjusted, the regulating block is located and corresponds the extrusion of die cavity is served for the adjustment corresponds the flow of the end melting sheet of extruding of die cavity.
Compared with the prior art, the utility model discloses multilayer polychrome sheet extrusion tooling forms a plurality of die cavities that are located different layers and dislocation distribution through at least three template stack cooperation, not only can prevent the molten raw materials extrusion moulding in-process of different colours and cross the look, can also once extrude the sheet that multiple different colours just are one row of range, improves production efficiency, satisfies the mass production of multiple colour sheet.
Description of the drawings:
FIG. 1 is a perspective view of the multi-layer, multi-color sheet extrusion die of the present invention;
FIG. 2 is a perspective view of the multi-layer, multi-color sheet extrusion die of the present invention from another perspective;
FIG. 3 is an exploded perspective view of the multi-layer, multi-color sheet extrusion die of the present invention;
FIG. 4 is an enlarged cross-sectional view of the multi-layer, multi-color sheet extrusion die of the present invention at the side runners;
fig. 5 is an enlarged cross-sectional view of the multi-layer, multi-color sheet extrusion die of the present invention at the up-gate.
Illustration of the drawings:
1. the die comprises a first die plate, 11, an upper pouring channel, 12, an upper spacer block, 13, an upper cavity, 2, a second die plate, 21, a side pouring channel, 3, a third die plate, 31, a middle spacer block, 32, a middle cavity, 4, a fourth die plate, 41, a lower pouring channel, 42, a lower spacer block, 43, a lower cavity, 5, a first adjusting component, 51, a first throttling bolt, 52, a first adjusting block, 6, a second adjusting component, 61, a second adjusting block, 62, a second throttling bolt, 7, a lower die lip adjusting component, 71, a lower die lip block, 72, a lower die lip bolt, 8, an upper die lip adjusting component, 81, an upper die lip bolt, 82, an upper die lip adjusting block, 9, a side plate, 100, a first sheet, 200, a second sheet, 300 and a third sheet.
Detailed Description
The following embodiments of the present invention will be specifically explained with reference to the accompanying drawings, which are only used for reference and illustration, and do not limit the scope of the present invention.
Referring to fig. 1 to 3, a multi-layer and multi-color sheet extrusion mold includes at least three mold plates, two adjusting assemblies (i.e., a first adjusting assembly 5 and a second adjusting assembly 6), two lip adjusting assemblies (i.e., an upper lip adjusting assembly 8 and a lower lip adjusting assembly 7), and two side plates 9, where the two side plates 9 are respectively disposed on two sides of all the mold plates, and this embodiment is specifically illustrated by a mold including four mold plates (forming three different colors of sheets), the four mold plates are a first mold plate 1, a second mold plate 2, a third mold plate 3, and a fourth mold plate 4, the first mold plate 1, the second mold plate 2, the third mold plate 3, and the fourth mold plate 4 are stacked from top to bottom and form a discharge port (not labeled) at an outlet end, two adjacent mold plates cooperate to form a cavity, that is, the first mold plate 1 cooperates with the second mold plate 2 to form an upper cavity 13, the second mold plate 2 cooperates with the third mold plate 3 to, the third template 3 and the fourth template 4 are matched to form a lower cavity 43, the upper cavity 13, the middle cavity 32 and the lower cavity 43 are staggered and communicated with the discharge port, so that a row of inner cavities (not marked) for extrusion molding of three sheets of different colors, namely the first sheet 100, the second sheet 200 and the third sheet 300 are formed, and the depths of the upper cavity 13, the middle cavity 32 and the lower cavity 43 are gradually reduced along the extrusion direction until the depths are the same as the depth of the discharge port of the mold.
Referring to fig. 3 and 4, the second mold plate 2 and the third mold plate 3 are located at the center of the entire mold, the second mold plate 2 and the third mold plate 3 are matched to form a side runner 21 and the middle cavity 32 on the matched surfaces of the two, the left and right ends of the matched surface at the upper end of the third mold plate 3 are respectively provided with a middle spacer 31, the middle cavity 32 is located between the two middle spacers 31, when the second mold plate 2 and the third mold plate 3 are matched, the two middle spacers 31 extend into the through groove on the matched surface at the lower end of the second mold plate 2 to separate the left and right ends of the middle cavity 32, the extrusion end of the middle cavity 32 is horizontally butted with the discharge port, and the molten material in the middle cavity 32 is extruded to form the second sheet 200, in this embodiment, preferably, the two middle spacers 31 are integrally formed with the third mold plate 3, the side runner 21 is horizontally arranged, one end of the side runner 21 is butted with the middle cavity 32, and the other end passes through the sides of the second mold plate 2 and, for the molten raw materials to enter.
Referring to fig. 3 and 5, a first mold plate 1 is located at the top end of the whole mold, the first mold plate 1 is matched with a second mold plate 2, the upper cavity 13 is formed on the matched surfaces of the first mold plate 1 and the second mold plate 2, an upper spacer 12 is convexly arranged at the left end of the matched die inclined plane at the lower end of the first mold plate 1, the upper cavity 13 is located at the right side of the upper spacer 12, when the first mold plate 1 is matched with the second mold plate 2, the upper spacer 12 extends into a through groove on the matched die inclined plane at the upper end of the second mold plate 2 to separate the left side of the upper cavity 13, the right side of the upper cavity 13 is separated by a right side plate 9, so that the whole upper cavity 13 is completely separated from other cavities, the extrusion end of the upper cavity 13 is obliquely butted with the discharge port at an acute angle, the molten raw material in the upper cavity 13 is extruded and formed into a first sheet material 100, in this embodiment, preferably, the upper spacer 12 is integrally formed with, first adjusting part 5 includes a first regulating block 52 and a plurality of first throttle bolt 51 that a tilting was adjusted, first regulating block 52 is located 1 compound die inclined plane extrusion end of first template, both ends about this first regulating block 52 passed first template 1, a plurality of first throttle bolt 51 interval spiro union on first template 1 and with first regulating block 52 fixed connection, first template 1 slopes to wear to be equipped with one and goes up runner 11, should go up runner 11 one end and last die cavity 13 butt joint intercommunication, the other end slope passes first template 1 upper surface, supply the entering of melting raw materials.
Referring to fig. 1, 2, 3 and 5, a fourth mold plate 4 is located at the bottom end of the entire mold, the fourth mold plate 4 and the third mold plate 3 cooperate to form the lower cavity 43 on the joint surface of the two, a lower spacer 42 is convexly disposed at the right end of the mold closing inclined surface at the upper end of the fourth mold plate 4, the lower cavity 43 is located at the left side of the upper spacer 12, when the fourth mold plate 4 and the third mold plate 3 cooperate, the lower spacer 42 extends into the through groove on the mold closing inclined surface at the upper end of the third mold plate 3 to separate the right side of the lower cavity 43, the left side of the lower cavity 43 is separated by the left side plate 9 to completely separate the entire lower cavity 43 from the other cavities, the extrusion end of the lower cavity 43 is in acute angle inclined butt joint with the discharge port, the molten material in the lower cavity 43 is extruded to form a third sheet 300, in this embodiment, preferably, the lower spacer 42 is integrally formed with the fourth mold plate 4, and a second adjusting assembly 6 is used for adjusting the flow rate, the second adjusting component 6 comprises a second adjusting block 61 and a plurality of second throttling bolts 62 which can be obliquely adjusted, the second adjusting block 61 is positioned on the inclined plane extrusion end of the die assembly of the fourth die plate 4, the second adjusting block 61 penetrates through the left end and the right end of the fourth die plate 4, the second throttling bolts 62 are screwed on the fourth die plate 4 at intervals and are fixedly connected with the second adjusting block 61, a lower pouring gate 41 is arranged on the fourth die plate 4 in a penetrating manner, one end of the lower pouring gate 41 is in butt joint communication with the lower die cavity 43, the other end of the lower pouring gate penetrates through the lower surface of the fourth die plate 4 in an inclined manner, and molten raw materials can enter the lower die.
Referring to fig. 4, the upper die lip adjusting assembly 8 and the lower die lip adjusting assembly 7 cooperate to adjust the die lip opening of the entire die, the upper die lip adjusting assembly 8 is disposed on the first die plate 1, the upper die lip adjusting assembly 8 includes a plurality of upper die lip adjusting blocks 82, a central shaft (not labeled) and a plurality of upper die lip bolts 81, the plurality of upper die lip adjusting blocks 82 are clamped with the first die plate 1, the plurality of upper die lip adjusting blocks 82 are connected with each other through a central shaft, the plurality of upper die lip bolts 81 are screwed on the first die plate 1 at intervals and are fixedly connected with the plurality of upper die lip adjusting blocks 82 in a one-to-one correspondence manner, the lower die lip adjusting assembly 7 is disposed on the fourth die plate 4, the lower die lip adjusting assembly 7 includes a lower die lip block 71 and a plurality of lower die lip bolts 72, the lower die lip adjusting block 81 is disposed at the discharge end of the fourth die plate 4, the plurality of lower die lip bolts 72 are screwed on the fourth die plate 4 at intervals and are fixedly, the upper lip bolt 81 and the lower lip bolt 72 are rotated to directly adjust the upper lip adjusting block 82 and the lower lip block 71, so as to adjust the distance between the discharge ends of the die.
Referring to fig. 1 to 5, the working principle of the multi-layer and multi-color sheet extrusion mold of the present invention is: the external screw rod injects three molten raw materials with different colors into the die from the openings of the side pouring channel 21, the upper pouring channel 11 and the lower pouring channel 41, the three molten raw materials enter the middle cavity 32, the upper cavity 13 and the lower cavity 43 respectively, the molten raw material in the middle cavity 32 is horizontally extruded from the extrusion end, the molten raw material in the upper cavity 13 is extruded from the extrusion end in a downward inclined manner, the molten raw material in the lower cavity 43 is extruded from the extrusion end in an upward inclined manner, finally the molten raw materials with the three colors are horizontally extruded in a row from the discharge port of the die, and after cooling, sheets (a first sheet 100, a second sheet 200 and a third sheet 300) with three different colors are formed, wherein the first sheet 100 is positioned on the right side and corresponds to the upper cavity 13, the second sheet 200 is positioned in the middle and corresponds to the middle cavity 32, and the third sheet 300 is positioned on the left side and corresponds to the lower cavity 43.
The utility model discloses multilayer polychrome sheet extrusion tooling forms a plurality of die cavities that are located different layers and dislocation distribution through at least three template stack cooperation, not only can prevent the molten raw materials extrusion moulding in-process cross color of different colours, can also once extrude the sheet that multiple different colours and be one row of range, improves production efficiency, satisfies the mass production of multiple colour sheet.
The above disclosure is only for the preferred embodiment of the present invention, and the scope of the right protection of the present invention cannot be limited thereby, and therefore, the equivalent changes made in the claims of the present invention still belong to the scope covered by the present invention.
Claims (10)
1. The utility model provides a multilayer polychrome sheet extrusion tooling, its characterized in that includes at least three template, all the template superposes and forms a discharge gate at the exit end, and adjacent two the template cooperation forms a die cavity, all the die cavity dislocation all with the discharge gate intercommunication forms and supplies the multiple colour sheet to be one row of extrusion moulding's inner chamber simultaneously.
2. The multi-layer and multi-color sheet extrusion die of claim 1, wherein the cavities are formed between two adjacent die plates separated by spacers.
3. The multi-layer, multi-color sheet extrusion die of claim 2, wherein the spacer particles are integrally formed with any adjacent die plate.
4. The multi-layer and multi-color sheet extrusion die of claim 1, wherein the cavity has a depth that gradually decreases along the extrusion direction to the same depth as the discharge port.
5. The multi-layer and multi-color sheet extrusion die of claim 1, wherein the extrusion end of one of the cavities is horizontally butted with the discharge port, and the extrusion ends of the other cavities are obliquely butted with the discharge port at an acute angle.
6. The multi-layer and multi-color sheet extrusion die of claim 1, wherein the die plate at the top end is in communication with the cavity at the top end through an obliquely arranged runner, and the die plate at the bottom end is in communication with the cavity at the bottom end through another obliquely arranged runner.
7. The multi-layer and multi-color sheet extrusion die of claim 1, wherein each of the two sides of the die plate is provided with a side plate, and the side plates are covered on the sides of the die cavity close to the side plates.
8. The multi-layer and multi-color sheet extrusion die of claim 1, wherein the discharge end of the die plate at the top end is screwed with a plurality of adjustable upper die lip adjusting blocks, the upper die lip adjusting blocks are clamped with the die plate at the top end, and the upper die lip adjusting blocks are connected with each other through a central shaft.
9. The multi-layer and multi-color sheet extrusion die as claimed in claim 8, wherein the discharge end of the die plate at the bottom end is screwed with a lower die lip block which can be adjusted obliquely, and the lower die lip block is positioned below the upper die lip adjusting block.
10. The multi-layer and multi-color sheet extrusion die of claim 1, wherein the clamping slopes of the die plates at the top end and the bottom end are respectively screwed with a regulating block capable of being adjusted obliquely, and the regulating block is positioned at the extrusion end corresponding to the die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021849568.8U CN213166776U (en) | 2020-08-28 | 2020-08-28 | Multi-layer and multi-color sheet extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021849568.8U CN213166776U (en) | 2020-08-28 | 2020-08-28 | Multi-layer and multi-color sheet extrusion die |
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| Publication Number | Publication Date |
|---|---|
| CN213166776U true CN213166776U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021849568.8U Active CN213166776U (en) | 2020-08-28 | 2020-08-28 | Multi-layer and multi-color sheet extrusion die |
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|---|---|
| CN (1) | CN213166776U (en) |
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- 2020-08-28 CN CN202021849568.8U patent/CN213166776U/en active Active
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