CN211334438U

CN211334438U - High-precision injection mold

Info

Publication number: CN211334438U
Application number: CN202021119250.4U
Authority: CN
Inventors: 谭捷; 杨伟夺
Original assignee: Tianjin Jinjiuqiang New Material Co Ltd
Current assignee: Tianjin Jinjiuqiang New Material Co Ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2020-08-25
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a high accuracy injection mold, including fixing base and sliding seat, the last fixed surface of fixing base installs the unloading seat, and is provided with the cover half on the unloading seat, the lower fixed surface of sliding seat installs the movable mould, fixed mounting has the guide pillar on the fixing base, and the upper end of guide pillar runs through in the sliding seat, be provided with buffer structure between sliding seat and the unloading seat, first die cavity has been seted up on the cover half, the second die cavity has been seted up on the movable mould. A high accuracy injection mold, through the buffer structure who sets up, can form effectual buffering when the compound die, reduce the compound die impact force, reduce the harm of compound die to corresponding part, guarantee the life of whole mould, set up removable blotter in the buffer structure simultaneously, can dismantle after wearing and tearing are great and get off to change, guarantee buffer structure's result of use.

Description

High-precision injection mold

Technical Field

The utility model relates to an injection mold field, in particular to high accuracy injection mold.

Background

Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting. An injection molding machine (an injection machine or an injection molding machine for short) is a main molding device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by the injection molding machine and the die. In injection molding, the mold is the most important part, which determines the size, shape, precision, etc. of the injection molded part; in the existing injection mold, the mold is directly closed through the guide pillar, certain impact force is generated during closing, the impact force cannot be effectively buffered and offset, the damage of related structures is easily caused, and the service life of the mold is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a high accuracy injection mold, can effectively solve the problem in the background art.

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

a high-precision injection mold comprises a fixed seat and a movable seat, wherein a blanking seat is fixedly arranged on the upper surface of the fixed seat, a fixed die is arranged on the blanking seat, a movable die is fixedly arranged on the lower surface of the movable seat, a guide post is fixedly arranged on the fixed seat, the upper end of the guide post penetrates through the movable seat, a buffer structure is arranged between the movable seat and the blanking seat, the fixed die is provided with a first cavity, the movable die is provided with a second cavity, the buffer structure comprises a fixed rod, a detachable buffer pad, an insert block, a positioning groove, a buffer plate and a spring, the fixed rod is fixed on the movable seat, and the lower end of the fixed rod is provided with a detachable cushion pad, the lower end of the fixed rod is fixedly provided with an insert block, the positioning groove is arranged on the blanking seat, and a buffer plate is arranged in the positioning groove, a spring is fixedly arranged in the positioning groove, and the upper end of the spring is connected with the buffer plate.

Preferably, the middle position of the upper surface of the movable seat is fixedly provided with an injection joint, the movable seat and the movable die are provided with an injection molding channel in a penetrating manner, the upper end of the injection molding channel is communicated with the injection joint, and the lower end of the injection molding channel is communicated with the second cavity.

Preferably, the blanking seat and the fixed die are provided with a placing cavity, and the placing cavities on the blanking seat and the fixed die are provided with ejection mechanisms for blanking.

Preferably, removable blotter includes connecting block, annular buckle, rubber pad, joint hole and block groove, the connecting block is fixed in the lower extreme of dead lever, and is provided with annular buckle on the connecting block, the joint hole has been seted up on the rubber pad, and is located the downthehole block groove of having seted up of joint on the rubber pad, the rubber pad is located on the connecting block through joint hole, block groove cover.

Preferably, the fixed seat and the blanking seat are connected by welding, and the movable seat is connected with a driving mechanism on the injection molding machine.

Compared with the prior art, the utility model discloses following beneficial effect has: this high accuracy injection mold through the buffer structure who sets up, can form effectual buffering when the compound die, reduces the compound die impact force, reduces the harm of compound die to corresponding part, guarantees the life of whole mould, sets up removable blotter in the buffer structure simultaneously, can dismantle after wearing and tearing are great and get off to change, guarantees buffer structure's result of use.

Drawings

FIG. 1 is a schematic view of the overall structure of a high-precision injection mold of the present invention;

FIG. 2 is a schematic view of the internal structure of a high-precision injection mold of the present invention;

FIG. 3 is a schematic structural view of a cushion structure of a high-precision injection mold of the present invention;

fig. 4 is the utility model relates to a removable blotter department's of high accuracy injection mold structural schematic.

In the figure: 1. a fixed seat; 2. a blanking seat; 3. fixing a mold; 4. a movable seat; 5. moving the mold; 6. a guide post; 7. a buffer structure; 701. fixing the rod; 702. a removable bumper pad; 7021. connecting blocks; 7022. an annular buckle; 7023. a rubber pad; 7024. a clamping hole; 7025. a clamping groove; 703. inserting a block; 704. positioning a groove; 705. a buffer plate; 706. a spring; 8. a first cavity; 9. a second cavity; 10. an injection fitting; 11. injection molding a channel; 12. and (4) an ejection mechanism.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a high precision injection mold comprises a fixed base 1 and a movable base 4, a blanking base 2 is fixedly installed on the upper surface of the fixed base 1, a fixed mold 3 is arranged on the blanking base 2, a movable mold 5 is fixedly installed on the lower surface of the movable base 4, a guide pillar 6 is fixedly installed on the fixed base 1, the upper end of the guide pillar 6 penetrates through the movable base 4, a buffer structure 7 is arranged between the movable base 4 and the blanking base 2, a first cavity 8 is arranged on the fixed mold 3, a second cavity 9 is arranged on the movable mold 5, the buffer structure 7 comprises a fixed rod 701, a detachable cushion 702, an insert 703, a positioning groove 704, a buffer plate 705 and a spring 706, the fixed rod 701 is fixed on the movable base 4, the detachable cushion 702 is arranged at the lower end of the fixed rod 701, the insert 703 is fixedly installed at the lower end of the fixed rod 701, the positioning groove 704 is arranged on the, a spring 706 is fixedly arranged in the positioning groove 704, and the upper end of the spring 706 is connected with the buffer plate 705;

an injection joint 10 is fixedly installed in the middle of the upper surface of the movable seat 4, an injection channel 11 is formed in the movable seat 4 and the movable die 5 in a penetrating mode, the upper end of the injection channel 11 is communicated with the injection joint 10, and the lower end of the injection channel 11 is communicated with the second cavity 9; placing cavities are formed in the blanking seat 2 and the fixed die 3, and an ejection mechanism 12 for blanking is arranged in the placing cavities in the blanking seat 2 and the fixed die 3; the detachable buffering pad 702 comprises a connecting block 7021, an annular buckle 7022, a rubber pad 7023, a clamping hole 7024 and a clamping groove 7025, the connecting block 7021 is fixed at the lower end of the fixing rod 701, the annular buckle 7022 is arranged on the connecting block 7021, the clamping hole 7024 is formed in the rubber pad 7023, the clamping groove 7025 is formed in the clamping hole 7024 in the rubber pad 7023, and the rubber pad 7023 is sleeved on the connecting block 7021 through the clamping hole 7024 and the clamping groove 7025; the fixed seat 1 and the blanking seat 2 are connected by welding, and the movable seat 4 is connected with a driving mechanism on the injection molding machine.

It should be noted that, the utility model relates to a high-precision injection mold, when using, install injection mold on the injection molding machine, make the fixed base 1 fix in the relevant position on the injection molding machine, guarantee movable seat 4 and relevant actuating mechanism to be connected simultaneously, connect the injection mechanism in the injection molding machine to the injection joint 10 on the movable seat 4, begin to carry out injection molding work afterwards, during injection molding, the staff starts the actuating mechanism on the injection molding machine, the actuating mechanism drives movable seat 4 and movable mould 5 to move along guide pillar 6, until movable mould 5 and cover half 3 on the blanking seat 2 are closed together, at this moment first die cavity 8 and second die cavity 9 are closed together to form the whole injection molding chamber, in the process of closing the mould, dead lever 701 in buffer structure 7 moves along with movable seat 4 together, until insert block 703 at the end of dead lever 701 enters into locating slot 704 and contacts buffer board 705, the buffer board 705 is pressed to compress the spring 706 in the positioning groove 704 to form effective buffering, meanwhile, the detachable buffer pad 702 is clamped on the upper part of the positioning groove 704 to form good buffering by matching with the spring 706, so that the mold closing impact force is reduced while the positioning is ensured, the stress of relevant parts is ensured to be small in the mold closing process, the service life is prolonged, after the mold closing is completed, an injection molding mechanism on an injection molding machine is started, liquid plastic materials enter an injection molding channel 11 through an injection connector 10 and finally enter an injection molding cavity formed by a first cavity 8 and a second cavity 9, the plastic materials are cooled and molded in the injection molding cavity, after the molding is completed, a driving mechanism is started, the mold starts to open, after the mold opening is completed, the ejection mechanism 12 ejects out a plastic part, a worker takes off the injection molding part to perform trimming work, after the detachable buffer pad 702 is used for a, the staff dismantles rubber pad 7023 from connecting block 7021, on connecting block 7021 is overlapped with brand-new rubber pad 7023 afterwards, guarantee in the joint hole 7024 the card groove 7025 card to annular buckle 7022 on can, then just can continue to use injection mold to carry out the work of moulding plastics.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high accuracy injection mold which characterized in that: the blanking device comprises a fixed seat (1) and a movable seat (4), wherein a blanking seat (2) is fixedly arranged on the upper surface of the fixed seat (1), a fixed die (3) is arranged on the blanking seat (2), a movable die (5) is fixedly arranged on the lower surface of the movable seat (4), a guide pillar (6) is fixedly arranged on the fixed seat (1), the upper end of the guide pillar (6) penetrates through the movable seat (4), a buffer structure (7) is arranged between the movable seat (4) and the blanking seat (2), a first cavity (8) is formed in the fixed die (3), a second cavity (9) is formed in the movable die (5), the buffer structure (7) comprises a fixed rod (701), a detachable buffer cushion (702), an insert block (704), a positioning groove (704), a buffer plate (705) and a spring (706), the fixed rod (701) is fixed on the movable seat (4), and the lower extreme of dead lever (701) is provided with removable blotter (702), the lower extreme fixed mounting of dead lever (701) has inserted block (703), constant head tank (704) are seted up on unloading seat (2), and are provided with buffer board (705) in constant head tank (704), fixed mounting has spring (706) in constant head tank (704), and the upper end of spring (706) is connected with buffer board (705).

2. A high precision injection mold according to claim 1, characterized in that: the utility model discloses a mould plastics, including movable seat (4), movable seat (4) and movable mould (5), the upper surface intermediate position department fixed mounting of movable seat (4) has injection joint (10), and runs through on movable seat (4) and the movable mould (5) and has seted up the passageway of moulding plastics (11), the upper end and the injection joint (10) of passageway of moulding plastics (11) are linked together, and the lower extreme and the second die cavity (9) of passageway of moulding plastics (11) are linked together.

3. A high precision injection mold according to claim 1, characterized in that: the blanking device is characterized in that placing cavities are formed in the blanking seat (2) and the fixed die (3), and ejection mechanisms (12) used for blanking are arranged in the placing cavities in the blanking seat (2) and the fixed die (3).

4. A high precision injection mold according to claim 1, characterized in that: removable blotter (702) are including connecting block (7021), annular buckle (7022), rubber pad (7023), joint hole (7024) and block groove (7025), connecting block (7021) are fixed in the lower extreme of dead lever (701), and are provided with annular buckle (7022) on connecting block (7021), joint hole (7024) have been seted up on rubber pad (7023), and are located joint hole (7024) on rubber pad (7023) and seted up block groove (7025), rubber pad (7023) are located joint hole (7024) and are seted up on block (7021) through joint hole (7024), block groove (7025) cover.

5. A high precision injection mold according to claim 1, characterized in that: the connecting mode between the fixed seat (1) and the blanking seat (2) is welding, and the movable seat (4) is connected with a driving mechanism on the injection molding machine.