CN218615228U

CN218615228U - Injection mold capable of being rapidly molded

Info

Publication number: CN218615228U
Application number: CN202222793701.8U
Authority: CN
Inventors: 楼加钟
Original assignee: Hangzhou Shengding Plastic Machinery Co ltd
Current assignee: Hangzhou Shengding Plastic Machinery Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-03-14
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses an injection mold capable of being rapidly molded, which comprises a lower mold, an upper mold, a core-pulling mechanism and an ejection mechanism, wherein the upper mold is arranged at the top of the lower mold, and the core-pulling mechanism and the ejection mechanism are both arranged inside the lower mold; the mechanism of loosing core includes board groove, slide, spacing groove, dead lever, oblique guide pillar, spout, slide bar, slider and core, and the board groove has been seted up at the top of lower mould, and the one end fixedly connected with spring in board groove, slide fixed connection are in the one end of spring, and slide bar fixed connection is in the one end of slide, and the inside at the slide is seted up in the spacing groove, and the mounting groove has been seted up to the inside of lower mould, the bottom fixedly connected with cylinder of mounting groove. The problem of current side direction parting injection mold's slider with go up mould fixed connection, the slider moves with last mould during the drawing of patterns together, the slider is retreated and is broken the submarine gate easily, and the gate remains great needs the manual work to carry out the secondary and gets rid of, has increased the human input, has greatly reduced the shaping efficiency simultaneously.

Description

Injection mold capable of being rapidly molded

Technical Field

The utility model relates to an injection mold field, concretely relates to but rapid prototyping's injection mold.

Background

The injection mold is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate dimensions, wherein the lateral parting injection mold belongs to one type of injection mold, when a molded part is manufactured, a core is arranged so that a hole or a molded surface can be formed during injection, when the mold is opened, a side core is firstly pulled out, so that an ejector rod or a push plate can separate the formed product from the molded part and then the demolding operation is carried out, but a sliding block of the existing lateral parting injection mold is fixedly connected with an upper mold, the sliding block and the upper mold move together during demolding, the sliding block is pulled back to easily break a submerged gate, the gate residue is large, the secondary removal is carried out manually, the manpower input is increased, and the molding efficiency is greatly reduced, so that the actual application and operation are not facilitated. Accordingly, those skilled in the art have provided an injection mold that can be rapidly molded to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an injection mold capable of being rapidly molded, which comprises a lower mold, an upper mold, a core-pulling mechanism and an ejection mechanism, wherein the upper mold is arranged at the top of the lower mold, and the core-pulling mechanism and the ejection mechanism are both arranged inside the lower mold;

the core pulling mechanism comprises a plate groove, a sliding plate, a limiting groove, a fixing rod, an inclined guide pillar, a sliding groove, a sliding rod, a sliding block and a mold core, wherein the plate groove is formed in the top of the lower mold, a spring is fixedly connected to one end of the plate groove, the sliding plate is fixedly connected to one end of the spring, the sliding rod is fixedly connected to one end of the sliding plate, the limiting groove is formed in the sliding plate, a mounting groove is formed in the lower mold, a cylinder is fixedly connected to the bottom of the mounting groove, an ejection plate is fixedly connected between output shafts of the cylinder and slidably connected to the inner wall of the mounting groove, the fixing rod is fixedly connected to the top of the ejection plate, the top of the fixing rod extends to the inside of the plate groove and is fixedly connected to the inclined guide pillar, one end of the inclined guide pillar extends to the inside of the limiting groove and is slidably connected with the limiting groove, the sliding groove is formed in one side of the plate groove, the sliding block is slidably connected to the inside of the sliding groove, the sliding rod is fixedly connected to one end of the sliding block.

Preferably: the ejection mechanism comprises a movable groove, an ejector rod, a limiting plate and a through hole, the ejector rod is fixedly connected to the bottom of the mounting groove, the movable groove is formed in the ejector plate, the top of the ejector rod penetrates through the top of the movable groove and extends to the ejector plate, the outer side of the ejector rod is located on the limiting plate fixedly connected with the inner side of the movable groove, the injection molding groove is formed in the top of the lower die and located on one side of the sliding groove, and the through hole is formed in the bottom of the injection molding groove.

Preferably: the top of the upper die is provided with a pouring gate, and the end face of the pouring gate is circular.

Preferably, the following components: locating holes are formed in the two ends of the top of the lower die, limiting blocks are fixedly connected to the two ends of the bottom of the upper die, and the limiting blocks extend to the corresponding locating holes.

Preferably: and a U-shaped groove is formed in the lower die.

Preferably: one side fixedly connected with inlet tube at lower mould top, one side fixedly connected with outlet pipe of inlet tube is kept away from to the bottom of lower mould.

Preferably: the bottom of the lower die is fixedly connected with a die holder.

Preferably: the cylinders are electrically connected with external control equipment.

The utility model discloses a technological effect and advantage:

when the lateral parting injection mold is used for demolding, the ejection plate and the fixed rod are driven to move upwards through the air cylinder, when the bottom of the limiting plate is not in contact with the movable groove, the inclined guide pillar slides along the limiting groove, the sliding plate is driven to slide along one side of the spring, the spring is extruded, the sliding rod and the sliding block are driven to slide along the inside of the sliding groove, the mold core and the molded part are pulled out, so that the molded part is separated by the ejector rod, when the ejection plate moves to the bottom of the movable groove to be in contact with the bottom of the limiting plate, the upward movement is continued, the ejector rod is driven to penetrate through the through hole, the molded part is subjected to demolding, the problem that the sliding block and an upper mold of the existing lateral parting injection mold are fixedly connected is avoided, the sliding block and the upper mold move together during demolding, the sliding block is easy to break a submarine gate due to retreating, the gate residue is large and needs to be manually removed for the second time, the manpower input is increased, the problem of molding efficiency is greatly reduced, and the practical application and operation are facilitated.

Drawings

FIG. 1 is a perspective view of an injection mold capable of rapid prototyping according to an embodiment of the present disclosure;

FIG. 2 is a front cross-sectional view of an injection mold for rapid prototyping according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of a lower mold and a demolding state in a rapidly moldable injection mold according to an embodiment of the present disclosure;

FIG. 4 is an enlarged view of a portion A of FIG. 2 of a rapid prototyping injection mold provided in accordance with an exemplary embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of a gate of an injection mold capable of being rapidly molded according to an embodiment of the present application.

In the figure: 1. a lower die; 2. an upper die; 3. mounting grooves; 4. ejecting the plate; 5. a movable groove; 6. a top rod; 7. a limiting plate; 8. a through hole; 9. a plate groove; 10. a spring; 11. a slide plate; 12. a limiting groove; 13. fixing the rod; 14. an inclined guide post; 15. a chute; 16. a slide bar; 17. a slider; 18. a core; 19. injection molding a groove; 20. a gate; 21. a limiting block; 22. positioning holes; 23. a die holder; 24. a cylinder; 25. a U-shaped groove; 26. a water inlet pipe; 27. and (5) discharging a water pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1 to 5, in the present embodiment, an injection mold capable of being rapidly molded is provided, including a lower mold 1, an upper mold 2, a core-pulling mechanism and an ejection mechanism, where the upper mold 2 is disposed on the top of the lower mold 1, and both the core-pulling mechanism and the ejection mechanism are disposed inside the lower mold 1;

core pulling mechanism includes plate groove 9, slide 11, spacing groove 12, dead lever 13, oblique guide pillar 14, spout 15, slide bar 16, slider 17 and core 18, plate groove 9 has been seted up at the top of lower mould 1, the one end fixedly connected with spring 10 of plate groove 9, slide 11 fixed connection is in the one end of spring 10, slide bar 16 fixed connection is in the one end of slide 11, spacing groove 12 is seted up in the inside of slide 11, mounting groove 3 has been seted up to the inside of lower mould 1, the bottom fixedly connected with cylinder 24 of mounting groove 3, fixedly connected with ejector plate 4 between the output shaft of cylinder 24, the inner wall sliding connection of ejector plate 4 and mounting groove 3, dead lever 13 fixed connection is at the top of ejector plate 4, the top of dead lever 13 extends to the inside and the oblique guide pillar 14 of plate groove 9, the one end of oblique guide pillar 14 extends to the inside of spacing groove 12 and with spacing groove 12 sliding connection, spout 15 sets up in one side of plate groove 9, the inside sliding connection of spout 15 has slider 17, slide bar 16 and slider 17 fixed connection, core 18 fixed connection is in the one end of slider 17, the one end of movable groove 5 is including

movable groove

5, 6 and ejector pin 19, the ejector pin 19 is located the inside of ejector pin 6 and the ejector plate 6 is connected with the ejector pin 19 of the ejector plate 6.

In this embodiment, when the lateral parting injection mold performs demolding, the cylinder 24 drives the ejector plate 4 and the fixed rod 13 to move upwards, when the bottom of the limiting plate 7 is not in contact with the movable groove 5, the inclined guide post 14 slides along the limiting groove 12, and simultaneously drives the sliding plate 11 to slide along one side of the spring 10, and extrudes the spring 10, and simultaneously drives the sliding rod 16 and the sliding block 17 to slide along the inside of the sliding groove 15, so that the mold core 18 and the mold piece are pulled out, so that the ejector rod 6 separates the mold piece, when the ejector plate 4 moves to the bottom of the movable groove 5 to be in contact with the bottom of the limiting plate 7, the sliding plate continues to move upwards, the ejector rod 6 is driven to pass through the through hole 8, and the mold piece is demolded, thereby avoiding the problem that the sliding block 17 and the upper mold of the existing lateral parting injection mold are fixedly connected, the sliding block 17 and the upper mold move together during demolding, the sliding block 17 retreats easily to break the submarine gate 20, and the gate 20 is large in residue and needs to be manually removed for a second time, thereby increasing human input, and greatly reducing the problem of the molding efficiency, and being beneficial to the practical application and operation.

Example 2

Referring to fig. 1 to 5, in the present embodiment, a gate 20 is formed at the top of the upper mold 2, and an end surface of the gate 20 is circular, so that the gate 20 is easily cooled and an excessive plastic is placed to flow backwards.

Wherein, locating hole 22 has all been seted up at the both ends at 1 top of lower mould, goes up the both ends fixedly connected with stopper 21 of mould 2 bottom, and stopper 21 all extends to the inside of the locating hole 22 that corresponds, through the cooperation between stopper 21 and the locating hole 22, is convenient for better go up mould 2 and lower mould 1 and carries out the location operation to the installation of moulding plastics.

Wherein, U type groove 25 has been seted up to the inside of lower mould 1, through setting up U type groove 25, is convenient for pour into the coolant liquid into to the inside in U type groove 25, dispel the heat to the inside of lower mould 1, shaping with higher speed.

Wherein, one side fixedly connected with inlet tube 26 at lower mould 1 top, one side fixedly connected with outlet pipe 27 of inlet tube 26 is kept away from to the bottom of lower mould 1, through setting up inlet tube 26, is convenient for add the coolant liquid to U type groove 25, utilizes the coolant liquid discharge after outlet pipe 27 will use simultaneously.

Wherein, the bottom fixedly connected with die holder 23 of lower mould 1, through setting up die holder 23, the better injection mold of placing of being convenient for.

Wherein, the cylinder 24 all with external control equipment electric connection, through with the cylinder 24 all with external control equipment electric connection, the better controlgear of being convenient for carries out work.

The utility model discloses a theory of operation is: when the lateral parting injection mold is used for demolding, the ejector plate 4 and the fixed rod 13 are driven to move upwards through the air cylinder 24, when the bottom of the limiting plate 7 is not in contact with the movable groove 5, the inclined guide post 14 slides along the limiting groove 12, meanwhile, the sliding plate 11 is driven to slide along one side of the spring 10, the spring 10 is extruded, meanwhile, the sliding rod 16 and the sliding block 17 are driven to slide along the inside of the sliding groove 15, the mold core 18 and the formed part are pulled out, so that the formed part is separated by the ejector rod 6, when the ejector plate 4 moves until the bottom of the movable groove 5 is in contact with the bottom of the limiting plate 7, the ejector rod 6 continues to move upwards, the ejector rod 6 is driven to penetrate through the through hole 8, and the formed part is demolded;

meanwhile, through the arrangement of the water inlet pipe 26, cooling liquid is added into the U-shaped groove 25, the interior of the lower die 1 is cooled, the forming is accelerated, and the used cooling liquid is discharged through the water outlet pipe 27.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. Structures, devices and methods of operation not specifically described or illustrated in the present application are not specifically illustrated or described, but are generally practiced in the art without limitation.

Claims

1. An injection mold capable of being rapidly molded comprises a lower mold (1), an upper mold (2), a core pulling mechanism and an ejection mechanism, and is characterized in that the upper mold (2) is arranged at the top of the lower mold (1), and the core pulling mechanism and the ejection mechanism are both arranged inside the lower mold (1);

the core pulling mechanism comprises a plate groove (9), a sliding plate (11), a limiting groove (12), a fixing rod (13), an inclined guide post (14), a sliding groove (15), a sliding rod (16), a sliding block (17) and a mold core (18), wherein the plate groove (9) is formed in the top of the lower die (1), a spring (10) is fixedly connected to one end of the plate groove (9), the sliding plate (11) is fixedly connected to one end of the spring (10), the sliding rod (16) is fixedly connected to one end of the sliding plate (11), the limiting groove (12) is formed in the sliding plate (11), a mounting groove (3) is formed in the lower die (1), an air cylinder (24) is fixedly connected to the bottom of the mounting groove (3), an ejector plate (4) is fixedly connected between output shafts of the air cylinder (24), the ejector plate (4) is in sliding connection with the inner wall of the mounting groove (3), the fixing rod (13) is fixedly connected to the top of the ejector plate (4), the top of the fixing rod (13) extends to the inside of the plate groove (9), the guide post (14) is fixedly connected to one side of the limiting groove (12), and the limiting groove (12) extends to one side of the limiting groove (15), the inside sliding connection of spout (15) has slider (17), slide bar (16) and slider (17) fixed connection, core (18) fixed connection is in the one end of slider (17).

2. The injection mold capable of being rapidly molded according to claim 1, wherein the ejection mechanism comprises a movable groove (5), an ejector rod (6), a limiting plate (7) and a through hole (8), the ejector rod (6) is fixedly connected to the bottom of the mounting groove (3), the movable groove (5) is arranged inside the ejection plate (4), the top of the ejector rod (6) penetrates through the movable groove (5) and extends to the top of the ejection plate (4), the outer side of the ejector rod (6) is fixedly connected with the limiting plate (7) located inside the movable groove (5), the top of the lower mold (1) is arranged on one side of the sliding groove (15) to form an injection molding groove (19), and the bottom of the injection molding groove (19) is arranged to form the through hole (8).

3. The injection mold capable of being rapidly molded according to claim 1, wherein the top of the upper mold (2) is provided with a gate (20), and the end surface of the gate (20) is circular.

4. The injection mold capable of being rapidly molded according to claim 1, wherein the two ends of the top of the lower mold (1) are both provided with positioning holes (22), the two ends of the bottom of the upper mold (2) are fixedly connected with limiting blocks (21), and the limiting blocks (21) are both extended to the corresponding positioning holes (22).

5. The injection mold capable of being rapidly molded according to claim 1, wherein the lower mold (1) is internally provided with a U-shaped groove (25).

6. The injection mold capable of realizing rapid prototyping according to claim 1, wherein a water inlet pipe (26) is fixedly connected to one side of the top of the lower mold (1), and a water outlet pipe (27) is fixedly connected to one side of the bottom of the lower mold (1) far away from the water inlet pipe (26).

7. A rapidly formable injection mould according to claim 1, characterized in that a base (23) is fixedly connected to the bottom of the lower mould (1).

8. A rapidly formable injection mould as claimed in claim 1, wherein the cylinders (24) are all electrically connected to external control equipment.