CN220146634U

CN220146634U - Variable layer number multilayer coextrusion die

Info

Publication number: CN220146634U
Application number: CN202321546320.8U
Authority: CN
Inventors: 薛献武; 骆皓
Original assignee: Hangzhou Wanmei Brake Materials Co ltd
Current assignee: Hangzhou Wanmei Brake Materials Co ltd
Priority date: 2023-06-16
Filing date: 2023-06-16
Publication date: 2023-12-08
Anticipated expiration: 2033-06-16

Abstract

The utility model relates to a variable layer number multilayer coextrusion die which comprises a main die, wherein an auxiliary die is movably arranged at the bottom of the main die, a first flow pipe is fixedly arranged in the main die, a second flow pipe is fixedly arranged in the main die, and a third flow pipe is arranged in the main die. This multilayer coextrusion mould of variable layer number, firstly according to the required layer number of brake block processing can be selective to first flow tube, second flow tube and the inside material that adds of third flow tube, the material flows into vice mould through first flow tube, second flow tube and third flow tube this moment, extrude by the discharge gate, the required temperature of different material materials of accessible heater strip adjustment in the in-process of extruding, when needs drawing of patterns, the controller drives the solenoid valve and makes cold water get into the holding tank through the inlet tube, cool down vice mould, the water of last intensification is continuously dispelled the heat by the semiconductor refrigeration piece, the circulation pipe can guarantee the continuous use of cold water, reduce the waste of water.

Description

Variable layer number multilayer coextrusion die

Technical Field

The utility model relates to the technical field of co-extrusion dies, in particular to a variable layer number multilayer co-extrusion die.

Background

The co-extrusion die is a tool for co-extruding the dies by which two or more materials flow along independent flow pipes and are converged near the outlet of the die, and the co-extrusion die is also an indispensable processing tool in the processing process of the brake pad.

For example, the utility model provides a plastic co-extrusion die with a Chinese patent number of CN216032335U, which has short flow channels and poor bonding strength between different layers in the processing process, meanwhile, the device leads water in the cooling process from a water inlet pipe to a slow flow plate and finally leads the water out from a water outlet pipe, the cooling efficiency is low, the water consumption is huge, and the water is not beneficial to saving water, so the utility model provides a variable layer number multilayer co-extrusion die to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the variable layer number multilayer coextrusion die which has the advantages of high cooling efficiency and water saving, solves the problems that the circulation channel of the device is short in the processing process, the bonding strength between different layers is poor, meanwhile, the water is led in by the water inlet pipe in the cooling process and finally led out by the water outlet pipe through the slow flow plate, the cooling efficiency is low, the water consumption is huge, and the water saving is not facilitated.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a variable layer number multilayer coextrusion mould, includes the main mould, the bottom movable mounting of main mould has the vice mould, the inside fixed mounting of main mould has first flow tube, the inside fixed mounting of main mould has the second flow tube, the inside of main mould is provided with the third flow tube, the outside of vice mould is provided with temperature regulation mechanism;

the temperature regulating mechanism comprises a heat preservation shell, heating wires, a containing box, a water tank, a guide plate, a water inlet pipe, a circulating pipe and a semiconductor refrigerating sheet, wherein the heat preservation shell is arranged inside the auxiliary mold, the heating wires are arranged outside the heat preservation shell, the containing box is arranged on the left side and the right side of the auxiliary mold, the water tank is fixedly arranged at the top of the containing box, the guide plate is arranged inside the containing box, the water inlet pipe is arranged outside the water tank, the circulating pipe is arranged at the bottom of the containing box, and the semiconductor refrigerating sheet is arranged outside the containing box.

Further, the number of the first flow pipe, the second flow pipe and the third flow pipe is two, the tops of the first flow pipe, the second flow pipe and the third flow pipe all extend to the outside of the main die, clamping blocks are arranged on the left side and the right side of the auxiliary die, and clamping grooves matched with the clamping blocks are formed in the main die.

Further, opposite sides of the two second flow pipes are respectively connected with opposite sides of the two first flow pipes, and the two third flow pipes are respectively positioned on opposite sides of the two second flow pipes.

Further, the opposite sides of the two third flow pipes are connected with the opposite sides of the two first flow pipes, and the heating wire is positioned between the auxiliary die and the heat insulation shell.

Further, two hold the case and be located the left and right sides of vice mould respectively, the guide plate is total four rows, four rows the guide plate divide into two sets of, every group the guide plate is two rows, every group two rows the guide plate size equals the opposite just all is the inclined plane of direction.

Further, the opposite sides of the water inlet pipe are respectively connected with the opposite sides of the two water tanks, the opposite sides of the two circulating pipes are respectively connected with the opposite sides of the two water tanks, and the sides of the two circulating pipes, which are far away from the two water tanks, are respectively connected with the bottoms of the two water tanks.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. this multilayer coextrusion mould of variable layer number prolongs the length of main mould through setting up vice mould, and the circulation length of different materials is prolonged to make each layer laminating inseparabler, through setting up first flow tube, second flow tube and third flow tube, to the inside purpose that can realize changing the layer number of material of different pipeline reinforced, through setting up temperature adjustment mechanism, each structure of temperature adjustment mechanism mutually support, can reach the inside different material temperature of each material of mould and adjust, practice thrift the required water consumption of cooling simultaneously.

2. This multilayer coextrusion mould of variable layer number prevents through setting up the heat preservation shell that the inside temperature of vice mould from losing fast, leads to each layer bonding not inseparable, through setting up the heater strip, according to the demand of temperature, the controller drive heater strip starts the temperature of multiplicable vice mould, accomplish when foundry goods processing, need accelerate the drawing of patterns through the heat dissipation, water in the water tank gets into through the inlet tube and holds in the case, at this moment slows down water velocity through the guide plate, realizes heat absorption cooling, the water after the intensification is cooled down by the semiconductor refrigeration piece and gets back to the water tank, can realize cold water cyclic utilization through the circulating pipe, better water saving.

Drawings

FIG. 1 is a three-dimensional schematic of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a temperature adjusting mechanism according to the present utility model.

In the figure: 1. a main mold; 2. an auxiliary die; 3. a first flow tube; 4. a second flow tube; 5. a third flow tube; 6. a temperature adjusting mechanism; 601. a thermal insulation shell; 602. a heating wire; 603. a housing box; 604. a water tank; 605. a deflector; 606. a water inlet pipe; 607. a circulation pipe; 608. semiconductor refrigerating sheet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a multilayer coextrusion die with variable layers comprises a main die 1, wherein an auxiliary die 2 is movably arranged at the bottom of the main die 1, the length of the main die 1 is prolonged by arranging the auxiliary die 2, the circulation length of different materials is prolonged, so that each layer of extrusion die is tightly attached, a first flow pipe 3 is fixedly arranged in the main die 1, a second flow pipe 4 is fixedly arranged in the main die 1, a third flow pipe 5 is arranged in the main die 1, the purpose of changing the layers can be realized by feeding materials into different pipelines through arranging the first flow pipe 3, the second flow pipe 4 and the third flow pipe 5, a temperature regulating mechanism 6 is arranged outside the auxiliary die 2, and the temperature of the materials in the die can be regulated by mutually matching each structure of the temperature regulating mechanism 6, and meanwhile, the water consumption required by cooling is saved.

The temperature regulating mechanism 6 includes heat preservation shell 601, heater strip 602, hold the case 603, water tank 604, guide plate 605, inlet tube 606, circulating pipe 607, semiconductor refrigeration piece 608, the inside of auxiliary mold 2 is provided with heat preservation shell 601, through setting up heat preservation shell 601, prevent that inside temperature of auxiliary mold 2 from scattering and losing the speed too fast, lead to each layer to adhere untight, the outside of heat preservation shell 601 is provided with heater strip 602, through setting up heater strip 602, according to the demand of temperature, controller drive heater strip 602 starts the temperature of multiplicable auxiliary mold 2, when foundry goods processing is accomplished, need accelerate the drawing of patterns through the heat dissipation, the left and right sides of auxiliary mold 2 all is provided with and holds case 603, the top fixed mounting who holds case 603 has water tank 604, the water in the water tank 604 gets into holds case 603 through inlet tube 606, at this moment slows down the water velocity of flow through guide plate 605, realize the heat absorption cooling, the water after the temperature rising is by semiconductor refrigeration piece 608 is got back to water tank 604, the inside of holding case 603 is provided with guide plate 605, the outside of water tank 604 is provided with 606, the bottom of holding case 603 is provided with inlet tube, the circulation pipe 603, need be realized through 607 better circulation, the circulation pipe 603 is used, the outside of semiconductor refrigeration piece 608 is held, the water that is provided with the circulating pipe 608.

In practice, the method is carried out according to the following steps:

1) Firstly, materials can be selectively added into the first flow tube 3, the second flow tube 4 and the third flow tube 5 according to the number of layers required by brake pad processing;

2) At the moment, the materials flow into the auxiliary die 2 through the first flow pipe 3, the second flow pipe 4 and the third flow pipe 5 and are extruded from a discharge port, and the required temperature of the materials with different materials can be adjusted through the heating wire 602 in the extrusion process;

3) When demolding is needed, the controller drives the electromagnetic valve to enable cold water to enter the containing box 603 through the water inlet pipe 606, and the auxiliary die 2 is cooled;

4) Finally, the heated water is continuously radiated by the semiconductor refrigerating sheet 608, and the circulating pipe 607 can ensure the continuous use of cold water, thereby reducing the waste of water.

In summary, when the variable layer number multilayer coextrusion die is used, firstly, materials can be selectively added into the first flow pipe 3, the second flow pipe 4 and the third flow pipe 5 according to the layer number required by the processing of the brake pad, at the moment, the materials flow into the auxiliary die 2 through the first flow pipe 3, the second flow pipe 4 and the third flow pipe 5 and are extruded from a discharge port, the required temperature of the materials with different materials can be regulated through the heating wire 602 in the extrusion process, when demoulding is required, the controller drives the electromagnetic valve to enable cold water to enter the accommodating box 603 through the water inlet pipe 606, the auxiliary die 2 is cooled, finally, the warmed water is continuously radiated by the semiconductor refrigerating sheet 608, the circulation pipe 607 can ensure the continuous use of the cold water, and the waste of the water is reduced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a variable layer number multilayer coextrusion mould, includes master mould (1), its characterized in that: the bottom of the main die (1) is movably provided with an auxiliary die (2), the inside of the main die (1) is fixedly provided with a first flow pipe (3), the inside of the main die (1) is fixedly provided with a second flow pipe (4), the inside of the main die (1) is provided with a third flow pipe (5), and the outside of the auxiliary die (2) is provided with a temperature regulating mechanism (6);

temperature adjustment mechanism (6) are including heat preservation shell (601), heater strip (602), hold case (603), water tank (604), guide plate (605), inlet tube (606), circulating pipe (607), semiconductor refrigeration piece (608), the inside of vice mould (2) is provided with heat preservation shell (601), the outside of heat preservation shell (601) is provided with heater strip (602), the left and right sides of vice mould (2) all is provided with holds case (603), the top fixed mounting who holds case (603) has water tank (604), the inside that holds case (603) is provided with guide plate (605), the outside of water tank (604) is provided with inlet tube (606), the bottom that holds case (603) is provided with circulating pipe (607), the outside that holds case (603) is provided with semiconductor refrigeration piece (608).

2. The variable layer number multilayer coextrusion die according to claim 1, wherein: the number of the first flow pipes (3), the second flow pipes (4) and the third flow pipes (5) is two, the tops of the first flow pipes (3), the second flow pipes (4) and the third flow pipes (5) are all extended to the outside of the main die (1), clamping blocks are arranged on the left side and the right side of the auxiliary die (2), and clamping grooves matched with the clamping blocks are formed in the main die (1).

3. The variable layer number multilayer coextrusion die according to claim 1, wherein: the opposite sides of the two second flow pipes (4) are respectively connected with the opposite sides of the two first flow pipes (3), and the two third flow pipes (5) are respectively positioned on the opposite sides of the two second flow pipes (4).

4. The variable layer number multilayer coextrusion die according to claim 1, wherein: the opposite sides of the two third flow pipes (5) are mutually connected with the opposite sides of the two first flow pipes (3), and the heating wire (602) is positioned between the auxiliary die (2) and the heat preservation shell (601).

5. The variable layer number multilayer coextrusion die according to claim 1, wherein: two hold case (603) are located the left and right sides of vice mould (2) respectively, guide plate (605) are four rows altogether, and four rows guide plate (605) divide into two sets, and every group guide plate (605) are two rows, and every group two rows guide plate (605) equal size opposite direction just all are the inclined plane.

6. The variable layer number multilayer coextrusion die according to claim 1, wherein: the opposite sides of the water inlet pipe (606) are respectively connected with the opposite sides of the two water tanks (604), the opposite sides of the two circulating pipes (607) are respectively connected with the opposite sides of the two water tanks (604), and the sides of the two circulating pipes (607) far away from the two water tanks (604) are respectively connected with the bottoms of the two water tanks (604).