CN210880637U

CN210880637U - Thermoplastic injection mold

Info

Publication number: CN210880637U
Application number: CN201921605656.0U
Authority: CN
Inventors: 贡贝; 贾磊; 徐新宇
Original assignee: Taizhou Langtuo Plastic Co ltd
Current assignee: Taizhou Langtuo Plastic Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-30
Anticipated expiration: 2029-09-25

Abstract

The utility model relates to an injection mold technical field just discloses a thermoplasticity injection mold, including bottom plate, cover half and movable mould, the bottom of cover half is connected with the last fixed surface of bottom plate, the movable mould sets up in the top of cover half, the equal fixed connection locating lever in both sides of movable mould bottom, the locating hole with locating lever looks adaptation is seted up to the upper surface of cover half, the bottom and the locating hole activity of locating lever cup joint. The utility model discloses a movable mould drives the inside that extension board and slider inserted the bar spout, has improved the lift stability of movable mould to improve compound die stability, avoid the production in clearance, guarantee normal injection moulding, the combined design of rethread honeycomb duct and cooling tube realizes the water-cooling heat dissipation, combines the cooling action of cooling tube, realizes dual cooling, improves the radiating effect, thereby reduces the cool time of mould embryo, improves production efficiency.

Description

Thermoplastic injection mold

Technical Field

The utility model relates to an injection mold technical field specifically is a thermoplasticity injection mold.

Background

An injection mold is a tool for producing plastic products, is used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.

Present injection mold is mostly traditional structure, goes up mould and lower mould and is stable inadequately when the compound die, produces tiny clearance easily, influences injection moulding, and ordinary injection mold's radiating effect is relatively poor moreover, and the mould embryo needs longer cooling time, has reduced production efficiency, for this reason, we provide a thermoplasticity injection mold.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problems in the prior art, an aspect of the present invention is to provide a thermoplastic injection mold.

In order to achieve the purpose, the utility model provides a thermoplastic injection mold, including bottom plate, cover half and movable mould, the bottom of cover half is connected with the upper surface fixed of bottom plate, the movable mould sets up in the top of cover half, both sides of movable mould bottom are all fixed connection locating lever, the upper surface of cover half is seted up the locating hole with locating lever looks adaptation, the bottom and the locating hole activity of locating lever cup joint;

the upper surface of the bottom plate is fixedly connected with fixed blocks positioned on two sides of the fixed die, the outer sides of the tops of the fixed blocks are fixedly connected with stabilizing plates, the bottoms of two sides of the movable die are fixedly connected with symmetrically distributed support plates, and the other ends of the support plates are slidably connected with the inner side surfaces of the stabilizing plates;

one the fixed cover in inside of fixed block has connect the honeycomb duct of symmetric distribution, the fixed cover in inside of cover half is equipped with the cooling tube that is located the die cavity below, the both ends of cooling tube respectively with two honeycomb duct fixed connection, the other end and the external water pipe intercommunication of honeycomb duct.

Preferably, the fixed die is internally provided with cooling grooves positioned on two sides of the cavity, a cooling pipe is movably sleeved in the cooling grooves, the cooling pipe is a sealing pipe body and internally provided with liquid coolant, a sealing plug is tightly sleeved at an opening above the cooling groove, and the upper layer of the sealing plug is lower than the upper surface of the fixed die.

Preferably, the inner side surface of the stabilizing plate is provided with a convex sliding groove with an open top, a convex opening of the convex sliding groove faces inwards and is an opening, one end of the support plate, far away from the movable die, is fixedly connected with a sliding block and extends to the inside of the convex sliding groove, and the support plate and the sliding block are in contact with and are in sliding connection with the inner wall of the convex sliding groove.

Preferably, the inner side of the top of the fixed block is fixedly connected with a cushion block positioned between the fixed die and the stabilizing plate, and the upper surface of the cushion block is flush with the bottom surface of the convex sliding groove and is movably connected with the lower surface of the supporting plate.

Preferably, the number of the cooling grooves is 25, the cooling grooves are symmetrically distributed around the cavity, and the depth of each cooling groove is equal to that of the cavity.

Preferably, the fixed die is internally provided with a U-shaped groove positioned below the cavity, and the radiating pipe is fixedly sleeved in the U-shaped groove.

Compared with the prior art, the utility model provides a thermoplasticity injection mold has following beneficial effect:

the utility model discloses a grafting between locating lever and the locating hole, be convenient for the combination between cover half and the movable mould, utilize the extension board to drive the slider and slide in the inside of bar spout, can improve the lift stability of movable mould, thereby improve compound die stability, avoid the production of thin gap, guarantee normal injection moulding, the combined design of rethread honeycomb duct and cooling tube, can pour into the flowing water into toward the U type inslot of die cavity below, realize the water-cooling heat dissipation, the inside liquid cooling agent of recombination cooling tube, realize dual cooling, the heat dissipation effect is improved, thereby reduce the cool time of mould embryo, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic front structural view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is a schematic top view of the fixed mold of the present invention;

fig. 5 is a schematic view of the top-view cross-sectional structure of the cover half of the present invention.

In the figure: 1. a base plate; 2. fixing a mold; 3. moving the mold; 4. positioning a rod; 5. positioning holes; 6. a stabilizing plate; 7. cushion blocks; 8. a support plate; 9. a flow guide pipe; 10. a radiating pipe; 11. a cooling tank; 12. a cooling tube; 13. a convex chute; 14. a slider; 15. and (5) fixing blocks.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present disclosure clear and concise, a detailed description of known functions and known components have been omitted from the present disclosure.

Referring to fig. 1-5, a thermoplastic injection mold comprises a bottom plate 1, a fixed mold 2 and a movable mold 3, wherein the bottom of the fixed mold 2 is fixedly connected with the upper surface of the bottom plate 1, the movable mold 3 is arranged above the fixed mold 2, positioning rods 4 are fixedly connected to both sides of the bottom of the movable mold 3, positioning holes 5 matched with the positioning rods 4 are formed in the upper surface of the fixed mold 2, the bottom ends of the positioning rods 4 are movably sleeved with the positioning holes 5, and when the movable mold 3 moves downwards, the positioning rods 4 are driven to be inserted into the positioning holes 5, so that the primary positioning of mold closing is realized, and the mold;

the upper surface of the bottom plate 1 is fixedly connected with fixed blocks 15 positioned at two sides of the fixed die 2, the outer side of the top of each fixed block 15 is fixedly connected with a stabilizing plate 6, the bottoms at two sides of the movable die 3 are fixedly connected with symmetrically distributed support plates 8, the other ends of the support plates 8 are in sliding connection with the inner side of the stabilizing plate 6, the inner side of the stabilizing plate 6 is provided with a convex chute 13 with an open top, the convex opening of the convex chute 13 faces inwards and is open, one end of each support plate 8, far away from the movable die 3, is fixedly connected with a slide block 14 and extends into the convex chute 13, the support plates 8 and the slide block 14 are in contact and sliding connection with the inner wall of the convex chute 13, when the movable die 3 moves downwards, the movable die 3 drives the support plates 8 at two sides to move downwards, the support plates 8 drive the slide block 14 to be inserted into the convex chute, the injection molding precision and quality are improved;

the fixed cover in inside of a fixed block 15 has connect the honeycomb duct 9 of symmetric distribution, the fixed cover in inside of cover half 2 is equipped with the cooling tube 10 that is located the die cavity below, the both ends of cooling tube 10 respectively with two honeycomb duct 9 fixed connection, honeycomb duct 9's the other end and external water pipe intercommunication, the U type groove that is located the die cavity below is seted up to the inside of cover half 2, the fixed suit in the inside in U type groove of cooling tube 10, the back is accomplished to the compound die, need inject the clear water into in a honeycomb duct 9, the clear water flows to the cooling tube 10 in, play heat dissipation and the cooling to the die cavity bottom, the clear water of cooling tube 10 inside absorbs the heat after is discharged by another honeycomb duct 9 again, the water-cooling effect of circulation has been played, the radiating effect of.

The cooling tank 11 that is located the die cavity both sides is seted up to the inside of cover half 2, the inside movable sleeve of cooling tank 11 is equipped with cooling tube 12, cooling tube 12 is the sealed body and inside liquid cooling agent that is equipped with, the sealing plug has closely been cup jointed to 11 top openings of cooling tank, the upper strata of sealing plug is less than the upper surface of cover half 2, the quantity of cooling tank 11 is 25 and symmetric distribution around the die cavity, the degree of depth of cooling tank 11 equals with the degree of depth of die cavity, the optional conventional clear water of liquid cooling agent here, through with 25 cooling tube 12 symmetric arrangement, the realization is to die cavity radiating cooling all around, further improve the radiating effect, use through the combination of cooling tank 11 and sealing plug, be convenient for the installation and the change of cooling tube 12, the convenience in use has been improved.

The inboard fixedly connected with at 15 tops of fixed block is located the cushion 7 between cover half 2 and steadying plate 6, and the upper surface of cushion 7 flushes and with the bottom surface of convex spout 13 and with extension board 8's lower surface swing joint, through the design of cushion 7 for when movable mould 3 and cover half 2 are closed, extension board 8's lower surface just contacts with cushion 7, has improved closure stability.

Those not described in detail in this specification are within the skill of the art.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. The utility model provides a thermoplastic injection mold, includes bottom plate (1), cover half (2) and movable mould (3), its characterized in that: the bottom of the fixed die (2) is fixedly connected with the upper surface of the bottom plate (1), the movable die (3) is arranged above the fixed die (2), positioning rods (4) are fixedly connected to two sides of the bottom of the movable die (3), positioning holes (5) matched with the positioning rods (4) are formed in the upper surface of the fixed die (2), and the bottom ends of the positioning rods (4) are movably sleeved with the positioning holes (5);

the upper surface of the bottom plate (1) is fixedly connected with fixed blocks (15) positioned on two sides of the fixed die (2), the outer sides of the tops of the fixed blocks (15) are fixedly connected with stabilizing plates (6), the bottoms of two sides of the movable die (3) are fixedly connected with symmetrically distributed support plates (8), and the other ends of the support plates (8) are in sliding connection with the inner side surfaces of the stabilizing plates (6);

one the inside fixed cover of fixed block (15) has connect honeycomb duct (9) of symmetric distribution, the inside fixed cover of cover half (2) is equipped with cooling tube (10) that are located the die cavity below, the both ends of cooling tube (10) respectively with two honeycomb ducts (9) fixed connection, the other end and the external water pipe intercommunication of honeycomb duct (9).

2. A thermoplastic injection mold according to claim 1, wherein: the cooling structure is characterized in that a cooling groove (11) located on two sides of the cavity is formed in the fixed die (2), a cooling pipe (12) is movably sleeved in the cooling groove (11), the cooling pipe (12) is a sealing pipe body and is internally provided with a liquid coolant, a sealing plug is tightly sleeved at an opening above the cooling groove (11), and the upper layer of the sealing plug is lower than the upper surface of the fixed die (2).

3. A thermoplastic injection mold according to claim 1, wherein: open-topped convex spout (13) are seted up to the medial surface of stabilizer plate (6), the tang of convex spout (13) is inwards just for the opening, one end fixedly connected with slider (14) that movable mould (3) was kept away from in extension board (8) and extend to the inside of convex spout (13), extension board (8) and slider (14) contact and sliding connection with the inner wall of convex spout (13).

4. A thermoplastic injection mold according to claim 1, wherein: the inner side of the top of the fixed block (15) is fixedly connected with a cushion block (7) located between the fixed die (2) and the stabilizing plate (6), and the upper surface of the cushion block (7) is flush with the bottom surface of the convex sliding groove (13) and is movably connected with the lower surface of the support plate (8).

5. A thermoplastic injection mold according to claim 2, wherein: the number of the cooling grooves (11) is 25, the cooling grooves are symmetrically distributed on the periphery of the cavity, and the depth of each cooling groove (11) is equal to that of the cavity.

6. A thermoplastic injection mold according to claim 1, wherein: the heat dissipation pipe is characterized in that a U-shaped groove located below the cavity is formed in the fixed die (2), and the heat dissipation pipe (10) is fixedly sleeved in the U-shaped groove.