CN212707798U

CN212707798U - Modular die with variable sieve pore relaxation sieve

Info

Publication number: CN212707798U
Application number: CN202021465813.5U
Authority: CN
Inventors: 李万有; 赵洪杰
Original assignee: Tianjin Weide Mining Equipment Co ltd
Current assignee: Tianjin Weide Mining Equipment Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-16
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a variable sieve mesh relaxation sieve mould of modular belongs to mould technical field, including the footstock, the inside fixed mounting of footstock has the motor, the input of the output fixedly connected with screw rod of motor, the screw thread bearing housing has been cup jointed in the outside of screw rod, the below fixedly connected with mould of footstock, the surface of mould fixedly connected with base, the both ends fixedly connected with slide bar of mould, slide bar sliding connection is in the inside of spout, the both sides at the base are seted up to the spout, the inside of spout has been seted up the inside, the inside of inside is inlayed and is connected with the spring, the top fixedly connected with connecting rod of spring, the top fixed connection of connecting rod is in the bottom of slide bar, the cooling chamber has been seted up to the inside of base. The utility model discloses a pattern drawing structure of installation can pop out the mould after the moulding, takes out the inside model of mould fast to can improve the result of use.

Description

Modular die with variable sieve pore relaxation sieve

Technical Field

The utility model relates to the technical field of mold, especially, relate to a variable sieve mesh relaxation sieve mould of modular.

Background

The cavity mold, also called a female mold, is a working part for molding the outer surface of a plastic part and can be divided into an integral type and a combined type according to the structure. Is the mold term in the manufacturing industry, the parts forming the product space are called molding parts (i.e. the mold whole), and the parts forming the outer surface of the product are called cavity mold.

Patent number CN208558167U discloses a many die cavities mould, its technical scheme main points include mould and lower mould, it is just being equipped with the die cavity to go up mould and lower mould, go up the mould and wear to be equipped with the runner, the runner with the intercommunication is equipped with between the die cavity and waters, it locates including the intercommunication the main runner and the reposition of redundant personnel of runner tip are located main branch on watering, one of them divide and water to extend to furthest department the die cavity, another divide and water the intercommunication and be equipped with the buffer memory groove, the buffer memory groove communicates in all the other the die cavity. The utility model discloses have to a plurality of die cavities balance injection melting plastics, evenly mould plastics, improve the effect of injection moulding product surface smoothness.

The multi-cavity mold has the following disadvantages when in use: 1. the multi-cavity mold cannot rapidly demold the formed model when in use, so that the demolding of the model is troublesome.

2. The multi-cavity die cannot achieve the effect of quickly fixing the die when in use, so that the die is longer in molding time

SUMMERY OF THE UTILITY MODEL

The utility model provides a variable sieve mesh relaxation sieve mould of modular aims at the draw die structure through the installation, can pop out the mould after the moulding, takes out the inside model of mould fast to can improve the result of use.

The utility model provides a specific technical scheme as follows:

the utility model provides a modular die for a variable sieve mesh relaxation sieve, which comprises a top seat, wherein a motor is fixedly arranged in the top seat, the output end of the motor is fixedly connected with the input end of a screw rod, the outer side of the screw rod is sleeved with a threaded bearing sleeve, a mould is fixedly connected below the top seat, the mould is fixedly connected with the surface of the base, two ends of the mould are fixedly connected with sliding rods, the slide bar is connected inside the slide groove in a sliding way, the slide groove is arranged at two sides of the base, an inner groove is arranged inside the slide groove, a spring is embedded and connected in the inner groove, a connecting rod is fixedly connected above the spring, the top end of the connecting rod is fixedly connected with the bottom end of the sliding rod, a cooling cavity is formed in the base, a guide pipe is inserted into one side of the cooling cavity, and one end of the guide pipe is fixedly connected with a liquid nitrogen box.

Optionally, the outer side of the threaded bearing sleeve is in interference connection with a heat-insulating cover, and glass fiber cotton is filled in the heat-insulating cover.

Optionally, a valve is fixedly connected to one side of the conduit.

Optionally, the liquid nitrogen box and the cooling cavity are internally provided with heat-insulating layers, and heat-insulating cotton is filled in the heat-insulating layers.

Optionally, the input end of the motor is electrically connected to an external power supply.

The utility model has the advantages as follows:

1. the utility model adopts the installed stripping structure, when in use, the molding raw material is guided into the mold to perform the molding work, then the external power supply is switched on, the motor drives the screw rod to rotate through the rotation of the internal motor, the screw rod is matched with the thread on the inner wall of the threaded bearing sleeve through the thread cut on the outer wall to drive the threaded bearing sleeve to rotate and move up and down on the outer wall of the screw rod, the bearing in the threaded bearing sleeve is driven to move up and down through the lower rotation of the threaded bearing sleeve, thereby the outer side heat preservation cover is clamped on the outer side of the mold, simultaneously, the outer side of the mold is pressed by a certain pressure, the mold drives the slide rod to apply a certain pressure on the spring at the bottom end of the connecting rod, the spring contracts due to the pressure, after the molding is finished, the reverse switch is connected to lead the motor, the pressure that the spring received this moment disappears, and the spring produces elasticity and kick-backs, and then makes the spring can drive the connecting rod rebound for the connecting rod can drive one section distance of slide bar rebound, and then makes the slide bar can carry the surface of base to the model top that the mould is inside to be made, and then makes the drawing of patterns convenient and fast more.

2. The utility model discloses an installation cooling chamber, after the injection moulding, open the valve of liquid nitrogen bottom of the case end, make the liquid nitrogen circulation inside the valve control pipe, the liquid nitrogen leads to the inside of cooling chamber through the UNICOM effect of pipe, at this moment, under the ordinary pressure, the liquid nitrogen temperature is-196 ℃, because the temperature of liquid nitrogen is extremely low, can pass through the principle of heat conduction with the high temperature of the raw materials of moulding plastics inside the mould, absorb high temperature, make the raw materials inside the mould can cool down fast, make the raw materials rapid prototyping in the inside of mould, and then reach the purpose of cooling down the raw materials inside the mould fast, make the shaping effect of mould promote greatly, can improve the production efficiency of mould, the heat preservation cover of the glass fiber cotton of installation simultaneously and the heat preservation cotton inside the heat preservation, is a high-efficient heat insulating material, have light in weight, anti-oxidant, the heat conductivity is low, can prevent the low temperature inside cooling chamber, and then reduce the inside temperature loss of cooling chamber and liquid nitrogen box, and then improve the result of use.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic cross-sectional structural view of a modular variable mesh die according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a stripping structure of a modular variable-sieve-mesh relaxation sieve die according to an embodiment of the present invention.

In the figure: 1. a top seat; 2. a mold; 3. a motor; 4. a screw; 5. a threaded bearing sleeve; 6. a heat-preserving cover; 7. a stripping structure; 8. a base; 9. a cooling chamber; 10. a heat-insulating layer; 11. a conduit; 12. a valve; 13. a liquid nitrogen tank; 14. heat preservation cotton; 15. a slide bar; 16. a chute; 17. a connecting rod; 18. a spring; 19. an inner tank.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A modular variable mesh die according to an embodiment of the present invention will be described in detail with reference to fig. 1-2.

Referring to fig. 1 and 2, a modular mold for a variable sieve pore relaxation sieve provided by the embodiment of the present invention comprises a top base 1, a motor 3 is fixedly installed inside the top base 1, an input end of a screw rod 4 is fixedly connected to an output end of the motor 3, a screw bearing sleeve 5 is sleeved outside the screw rod 4, a mold 2 is fixedly connected to a lower portion of the top base 1, the mold 2 is fixedly connected to a surface of a base 8, slide rods 15 are fixedly connected to two ends of the mold 2, the slide rods 15 are slidably connected to an inner portion of a slide groove 16, the slide groove 16 is opened at two sides of the base 8, an inner groove 19 is opened inside the slide groove 16, a spring 18 is connected to an inner portion of the inner groove 19 in an embedded manner, a connecting rod 17 is fixedly connected to an upper portion of the spring 18, a top end of the connecting rod 17 is fixedly connected to a bottom end of the slide rod 15, one side of cooling chamber 9 is pegged graft and is had pipe 11, pipe 11's one end fixedly connected with liquid nitrogen case 13 through the pattern drawing structure of installation, can pop out the mould after the moulding, takes out the inside model of mould fast to can improve the result of use.

Referring to fig. 1 and 2, the outer side of the threaded bearing sleeve 5 is connected with a heat-insulating cover 6 in an interference manner, glass fiber wool is filled in the heat-insulating cover 6, and the temperature loss of liquid nitrogen can be reduced by installing the heat-insulating cover.

Referring to fig. 2, a valve 12 is fixedly connected to one side of the conduit 11, and the flow of liquid nitrogen in the liquid nitrogen tank can be controlled by the valve.

Referring to fig. 1, a heat insulation layer 10 is arranged inside the liquid nitrogen box 13 and the cooling cavity 9, heat insulation cotton 14 is filled inside the heat insulation layer 10, and temperature loss of liquid nitrogen can be reduced through the installed heat insulation layer.

Referring to fig. 1 and 2, the input end of the motor 3 is electrically connected to an external power source.

The embodiment of the utility model provides a modular variable sieve mesh relaxation sieve mould, when using, the raw materials of making a mould are guided into the inside of the mould 2, the work of making a mould is carried out, after the injection moulding, the valve 12 at the bottom end of the liquid nitrogen box 13 is opened, so that the liquid nitrogen in the pipe 11 is controlled by the valve 12 to circulate, the liquid nitrogen is guided to the inside of the cooling cavity 9 through the communication function of the pipe 11, at the moment, under the normal pressure, the liquid nitrogen temperature is-196 ℃, because the liquid nitrogen has extremely low temperature, the high temperature of the raw materials of injection moulding in the mould 2 can be absorbed by the high temperature through the heat conduction principle, so that the raw materials in the mould 2 can be rapidly cooled, the purpose of rapidly cooling the raw materials in the mould 2 is further achieved, the forming effect of the mould is greatly improved, the production efficiency of the mould 2 can be improved, the heat preservation cover 6 of the glass fiber cotton and the heat preservation cotton, is a high-efficiency heat insulating material, has light weight, oxidation resistance and low heat conductivity, can prevent the low temperature in the cooling cavity 9 and the liquid nitrogen box 13 from exchanging heat with the external environment, further reduces the temperature loss in the cooling cavity 9 and the liquid nitrogen box 13, further improves the use effect, then the external power supply is switched on, so that the motor 3 runs, the motor 3 drives the screw rod 4 to rotate through the rotation of the internal motor, the screw rod 4 is matched with the inner wall thread of the thread bearing sleeve 5 through the thread cut on the outer wall, the thread bearing sleeve 5 is driven to rotate and move up and down on the outer wall of the screw rod 4, the thread bearing sleeve 5 rotates and moves up and down to drive the bearing in the thread bearing sleeve 5 to move up and down, further the outer side heat insulating cover 6 is clamped at the outer side of the mould 2, simultaneously, the outer side of the mould 2 is subjected to certain pressure, so that, spring 18 is owing to receive pressure, make spring 18 shrink, after the mould making, the switch is turned over, make motor 3 antiport, make screw rod 4 drive the heat preservation cover 6 in the outside and rise, the pressure that spring 18 received this moment disappears, spring 18 produces elasticity and kick-backs, and then make spring 18 can drive connecting rod 17 rebound, make connecting rod 17 can drive slide bar 15 rebound one section distance, and then make slide bar 15 can carry the surface of base 8 with the inside model top that makes of mould 2, and then make the drawing of patterns convenient and fast more.

The above-mentioned motor 3 is of the type 13130SM15010 commonly available on the market.

It should be noted that the utility model relates to a modular variable sieve mesh relaxation sieve mould, including footstock 1, mould 2, motor 3, screw rod 4, threaded bearing housing 5, heat preservation cover 6, draw die structure 7, base 8, cooling chamber 9, heat preservation 10, pipe 11, valve 12, liquid nitrogen box 13, heat preservation cotton 14, slide bar 15, spout 16, connecting rod 17, spring 18, interior groove 19, above-mentioned electrical components are prior art product, by the needs of using, select, install and accomplish the debugging operation of circuit, ensure that each electrical apparatus can normally work, the part is general standard component or the part that technical staff in the field knows, its structure and principle all can be known for this technical staff through technical manual or through conventional experimental method, this applicant does not do specific restriction here.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a modular variable sieve mesh relaxation sieve mould, includes footstock (1), its characterized in that, the inside fixed mounting of footstock (1) has motor (3), the output end fixed connection of motor (3) has the input of screw rod (4), screw bearing cover (5) have been cup jointed to the outside of screw rod (4), the below fixed connection of footstock (1) has mould (2), mould (2) fixed connection has the surface of base (8), the both ends fixed connection of mould (2) has slide bar (15), slide bar (15) sliding connection is in the inside of spout (16), spout (16) are seted up in the both sides of base (8), inside groove (19) have been seted up to the inside of spout (16), the inside of inside groove (19) is inlayed and is connected with spring (18), the top fixed connection of spring (18) has connecting rod (17), the top end of the connecting rod (17) is fixedly connected to the bottom end of the sliding rod (15), the cooling cavity (9) is formed in the base (8), the guide pipe (11) is inserted into one side of the cooling cavity (9), and one end of the guide pipe (11) is fixedly connected with the liquid nitrogen box (13).

2. The modular variable sieve pore relaxation sieve mould as claimed in claim 1, characterized in that the outside of said threaded bearing housing (5) is connected with an insulation cover (6) by interference, and the inside of said insulation cover (6) is filled with glass fiber cotton.

3. A modular variable mesh die according to claim 1, characterized in that a valve (12) is fixedly connected to one side of the conduit (11).

4. The die for the modular variable-mesh relaxation sieve of claim 1, wherein an insulating layer (10) is arranged inside the liquid nitrogen box (13) and the cooling cavity (9), and insulating cotton (14) is filled inside the insulating layer (10).

5. A modular variable mesh die according to claim 1, characterized in that the input of the motor (3) is electrically connected to an external power source.