CN213891138U

CN213891138U - Injection mold capable of preventing highlight front shell of television from deforming

Info

Publication number: CN213891138U
Application number: CN202021984013.4U
Authority: CN
Inventors: 陈旭松
Original assignee: DONGGUAN KONKA MOULD PLASTIC CO LTD
Current assignee: DONGGUAN KONKA MOULD PLASTIC CO LTD
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-08-06
Anticipated expiration: 2030-09-11

Abstract

The utility model belongs to the technical field of accurate injection mold, a can prevent injection mold that shell warp before TV set highlight is disclosed, including base, bed die and last mould, the bottom of bed die and the top fixed connection of base, the top fixed mounting of bed die has four guide arms that are the rectangle and arrange, upward set up four guide holes that are the rectangle and arrange on the mould, four guide arms run through the guide hole that corresponds respectively and the inner wall sliding connection of the guide hole that corresponds, the oil groove has been seted up on the guide arm, the fixed orifices has all been seted up to the both sides of going up the mould, and four fixed orifices are linked together with the guide hole that corresponds respectively, and equal fixed mounting has the round case in four fixed orifices. The utility model discloses easy and simple to handle, convenient to use, the process of compound die parting in the middle of can the very first time initiative to the guide post on the injection mold and the lubrication of guide way, reduced the wearing and tearing of guide post and guide way, driven extension injection mold's life.

Description

Injection mold capable of preventing highlight front shell of television from deforming

Technical Field

The utility model relates to an accurate injection mold technical field especially relates to the injection mold that can prevent that the casing warp before the TV set highlight.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. The front shell of the television is made of ABS engineering plastic, namely PC + ABS (engineering plastic alloy), the Chinese name in chemical industry is plastic alloy, so the front shell is named as PC + ABS, because the material has the excellent heat resistance, weather resistance, size stability and impact resistance of PC resin and the excellent processing flow of ABS resin, and in order to accelerate the forming of the section, a cooling water channel is usually arranged in the mold, so the cooling of the section is accelerated, and the condition that the front shell of the television deforms in the forming process is avoided.

However, the injection mold is completed by the opposite attaching movement of the male mold column and the female mold groove, and in the mold closing process, workers are inconvenient to lubricate the guide column and the guide groove on the injection mold, so that the abrasion of the guide column and the guide groove is accelerated in the injection molding process, and therefore, the injection mold capable of preventing the high-light front shell of the television from deforming is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing the injection mold capable of preventing the high-light front shell of the television from deforming.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an injection mold capable of preventing the high-light front shell of a television from deforming comprises a base, a lower mold and an upper mold, the bottom of the lower die is fixedly connected with the top of the base, four guide rods which are arranged in a rectangular shape are fixedly arranged at the top of the lower die, the upper die is provided with four guide holes which are arranged in a rectangular shape, the four guide rods respectively penetrate through the corresponding guide holes and are connected with the inner walls of the corresponding guide holes in a sliding way, the guide rod is provided with an oil groove, two sides of the upper die are respectively provided with a fixing hole, four fixing holes are respectively communicated with the corresponding guide holes, the four fixing holes are respectively and fixedly provided with a round box, a round hole is arranged on the inner wall of one side of the round box close to the guide rod, a ball is arranged in the round hole, oil pots are fixedly arranged on both sides of the upper die, oil pipes are arranged at the bottom ends of the four oil pots, the oil pipes are communicated with the oil pot, and the bottom ends of the four oil pipes respectively extend to penetrate through the corresponding round boxes and are communicated with the corresponding round boxes.

Preferably, a spring is fixedly mounted on the inner wall of one side, away from the round hole, of the round box, a retainer is fixedly mounted at one end, close to the round hole, of the spring, and the round hole is in rolling connection with the ball.

Preferably, the retainer comprises a sliding plate, one end of the spring, which is close to the round hole, is fixedly connected with the sliding plate, four cross rods which are arranged in a rectangular shape are fixedly mounted on one side, which is far away from the spring, of the sliding plate, one end, which is far away from the sliding plate, of the four cross rods is fixedly mounted with the same annular block, and the ball is in rolling connection with the inner wall of the annular block.

Preferably, a sealing ring is fixedly installed in the round hole, and the ball is in rolling connection with the inner wall of the sealing ring.

Preferably, two assembly holes are formed in the inner wall of the bottom of the oil can and the inner wall of one side, away from the round hole, of the round box, and the oil pipe penetrates through the two assembly holes and is fixedly connected with the inner walls of the two assembly holes.

Preferably, a plurality of slight pits are formed in the surface of the ball, an arc-shaped frame is fixedly sleeved on the oil can, and two ends of the arc-shaped frame are fixedly connected with the upper die.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses through the configuration optimization design, when last mould and bed die compound die or divide the mould, the guide arm will slide in the guide hole, when guide arm and ball contact, the guide arm will promote the ball and be close to oil pipe, make the lubricating oil of circle incasement see through the inner wall that the round hole flowed in the guide hole, thereby play a lubricated effect, in ball and guide arm contact, lubricating oil on the pit on the ball will coat on the guide arm, when the ball is located the oil groove on the guide arm, lubricating oil in the oil groove will spread all over the inner wall of oil groove and flow down, thereby make the coating that can be even on the surface of whole guide arm have lubricating oil, when lubricating oil in the circle incasement constantly reduces, lubricating oil in the oilcan will supply lubricating oil to the circle case through oil pipe.

The utility model discloses easy and simple to handle, convenient to use, the process of compound die parting in the middle of can the very first time initiative to the guide post on the injection mold and the lubrication of guide way, reduced the wearing and tearing of guide post and guide way, driven extension injection mold's life.

Drawings

FIG. 1 is a schematic view of the overall appearance of the utility model;

fig. 2 is a schematic view of the front view cross-sectional structure of the present invention;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

in the figure: 1. a base; 2. a lower die; 3. an upper die; 4. a guide bar; 5. a guide hole; 6. an oil sump; 7. a fixing hole; 8. a round box; 9. a circular hole; 10. a ball bearing; 11. a holder; 12. a spring; 13. an oil pipe; 14. an oil can.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the injection mold for preventing the distortion of the highlight front shell of a television set provided by the present invention comprises a base 1, a lower mold 2 and an upper mold 3, wherein the bottom of the lower mold 2 is fixedly connected with the top of the base 1, four guide rods 4 arranged in a rectangular shape are fixedly installed at the top of the lower mold 2, four guide holes 5 arranged in a rectangular shape are opened on the upper mold 3, the four guide rods 4 respectively penetrate through the corresponding guide holes 5 and are slidably connected with the inner walls of the corresponding guide holes 5, an oil groove 6 is opened on each guide rod 4, fixing holes 7 are opened at both sides of the upper mold 3, the four fixing holes 7 are respectively communicated with the corresponding guide holes 5, round boxes 8 are fixedly installed in the four fixing holes 7, a round hole 9 is opened on the inner wall of one side of each round box 8 close to the corresponding guide rod 4, a ball 10 is arranged in the round hole 9, oilcans 14 are fixedly installed at both sides of the upper mold 3, the bottom ends of the four oil pots 14 are respectively provided with an oil pipe 13, the oil pipes 13 are communicated with the oil pots 14, and the bottom ends of the four oil pipes 13 respectively extend to penetrate through the corresponding round boxes 8 and are communicated with the corresponding round boxes 8;

in this embodiment, as shown in fig. 1-3, a spring 12 is fixedly mounted on the inner wall of the round box 8 on the side away from the round hole 9, a retainer 11 is fixedly mounted on one end of the spring 12 close to the round hole 9, and the round hole 9 is in rolling connection with the ball 10.

The retainer 11 comprises a sliding plate, one end of the spring 12 close to the round hole 9 is fixedly connected with the sliding plate, four cross rods which are arranged in a rectangular shape are fixedly mounted on one side of the sliding plate far away from the spring 12, one end of each cross rod far away from the sliding plate is fixedly mounted with the same annular block, and the ball 10 is in rolling connection with the inner wall of the annular block.

A sealing ring is fixedly arranged in the round hole 9, and the ball 10 is in rolling connection with the inner wall of the sealing ring.

Two assembly holes are formed in the inner wall of the bottom of the oil can 14 and the inner wall of one side, far away from the round hole 9, of the round box 8, and the oil pipe 13 penetrates through the two assembly holes and is fixedly connected with the inner walls of the two assembly holes.

A plurality of tiny pits are formed in the surface of the ball 10, an arc-shaped frame is fixedly sleeved on the oil can 14, and two ends of the arc-shaped frame are fixedly connected with the upper die 3.

Specifically, the utility model discloses easy and simple to handle, convenient to use, the lubrication to the guide post and the guide way on the injection mold that can the very first time initiative in the middle of the process of compound die parting, reduced the wearing and tearing of guide post and guide way, driven injection mold's life that has prolonged.

The working principle is as follows: when the upper die 3 and the lower die 2 are closed or separated, the guide rod 4 slides in the guide hole 5, when the guide rod 4 is contacted with the ball 10, the guide rod 4 pushes the ball 10 to be close to the oil pipe 13, so that the lubricating oil in the round box 8 flows through the inner wall of the guide hole 5 through the round hole 9, and a lubricating effect is achieved, when the ball 10 is contacted with the guide rod 4, the lubricating oil on the concave pits on the ball 10 is coated on the guide rod 4, when the ball 10 is positioned in the oil groove 6 on the guide rod 4, the lubricating oil in the oil groove 6 is distributed on the inner wall of the oil groove 6 and flows downwards, so that the lubricating oil can be uniformly coated on the surface of the whole guide rod 4, and when the lubricating oil in the round box 8 is continuously reduced, the lubricating oil in the oil pot 14 is used for replenishing the lubricating oil to the round box 8 through the oil pipe 13.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Can prevent injection mold of shell deformation before TV set highlight, including base (1), bed die (2) and last mould (3), its characterized in that: the bottom of the lower die (2) is fixedly connected with the top of the base (1), four guide rods (4) which are arranged in a rectangular shape are fixedly mounted at the top of the lower die (2), four guide holes (5) which are arranged in a rectangular shape are formed in the upper die (3), the four guide rods (4) respectively penetrate through the corresponding guide holes (5) and are in sliding connection with the inner walls of the corresponding guide holes (5), oil grooves (6) are formed in the guide rods (4), fixing holes (7) are formed in two sides of the upper die (3), the four fixing holes (7) are respectively communicated with the corresponding guide holes (5), round boxes (8) are fixedly mounted in the four fixing holes (7), a round hole (9) is formed in the inner wall of one side, close to the guide rods (4), of each round box (8), balls (10) are arranged in each round hole (9), and oil pots (14) are fixedly mounted on two sides of the upper die (3), the bottom of four oilers (14) all is equipped with oil pipe (13), oil pipe (13) and oiler (14) are linked together, and the bottom of four oil pipe (13) extends to respectively and runs through corresponding round case (8) and is linked together with corresponding round case (8).

2. The injection mold for preventing the high-light front casing of a television set from deforming as claimed in claim 1, wherein: the round box is characterized in that a spring (12) is fixedly mounted on the inner wall of one side, away from the round hole (9), of the round box (8), a retainer (11) is fixedly mounted at one end, close to the round hole (9), of the spring (12), and the round hole (9) is in rolling connection with the ball (10).

3. The injection mold for preventing the high-light front housing of a television set from deforming as claimed in claim 2, wherein: the retainer (11) comprises a sliding plate, one end of the spring (12) close to the round hole (9) is fixedly connected with the sliding plate, four transverse rods which are arranged in a rectangular mode are fixedly mounted on one side, away from the spring (12), of the sliding plate, one end of each transverse rod, away from the sliding plate, is fixedly mounted with the same annular block, and the ball (10) is connected with the inner wall of the annular block in a rolling mode.

4. The injection mold for preventing the high-light front casing of a television set from deforming as claimed in claim 1, wherein: the sealing ring is fixedly arranged in the round hole (9), and the ball (10) is connected with the inner wall of the sealing ring in a rolling manner.

5. The injection mold for preventing the high-light front casing of a television set from deforming as claimed in claim 1, wherein: two assembly holes are formed in the inner wall of one side, far away from the round hole (9), of the inner wall of the bottom of the oil can (14) and the inner wall of one side, far away from the round hole (9), of the round box (8), and the oil pipe (13) penetrates through the two assembly holes and is fixedly connected with the inner walls of the two assembly holes.

6. The injection mold for preventing the high-light front casing of a television set from deforming as claimed in claim 1, wherein: a plurality of fine pits are formed in the surface of the ball (10), an arc-shaped frame is fixedly sleeved on the oil can (14), and two ends of the arc-shaped frame are fixedly connected with the upper die (3).