CN209937581U

CN209937581U - Forming die is used in plastic product preparation

Info

Publication number: CN209937581U
Application number: CN201920392811.9U
Authority: CN
Inventors: 蒋涛
Original assignee: Shenzhen Fubaoyuan Precision Plastic Products Co Ltd
Current assignee: Shenzhen Fubaoyuan Precision Plastic Products Co Ltd
Priority date: 2019-03-26
Filing date: 2019-03-26
Publication date: 2020-01-14
Anticipated expiration: 2029-03-26

Abstract

The utility model discloses a forming die is used in plastic system article preparation, including die holder and top die base, the bottom of die holder is equipped with an mounting plate, an end installation die cavity has been seted up to the upper end of die holder inside, the internally mounted of end installation die cavity has the die, a guide pillar guide pin bushing is installed respectively to four corners of the up end of die holder, an activity groove has been seted up on mounting plate's the bottom surface, the internally mounted in activity groove has a drawing of patterns top member, a top installation die cavity has been seted up to the lower terminal surface inside of top die base, the internally mounted of top installation die cavity has a terrace die. A forming die is used in plastic system article preparation, through set up four elasticity ejector pins on drawing of patterns ejecting member, when the unable smooth drawing of patterns of in process of material, the elasticity ejector pin can absorb kinetic energy, makes it slowly break away from out the die, reaches the purpose of harmless drawing of patterns.

Description

Forming die is used in plastic product preparation

Technical Field

The utility model relates to a forming die field, in particular to forming die is used in plastic system article manufacturing.

Background

A plastic mould used as a forming mould for manufacturing plastic products is a tool which is matched with a plastic forming machine in the plastic processing industry and gives the plastic products complete configuration and accurate size.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a forming die is used in plastic system article preparation can effectively solve the problem in the background art.

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

the utility model provides a forming die for plastic product manufacturing, includes die holder and top die base, the bottom of die holder is equipped with an mounting plate, a end installation die cavity has been seted up to the inside upper end of die holder, the internally mounted of end installation die cavity has the die, a guide pillar guide pin bushing is installed respectively to four corners of the up end of die holder, a movable groove has been seted up on mounting plate's the bottom surface, the internally mounted of movable groove has a drawing of patterns ejecting, a top installation die cavity has been seted up to the lower terminal surface of top die base inside, the internally mounted of top installation die cavity has a terrace die, four corners of the lower terminal surface of top die base are equipped with a guide hole respectively.

Preferably, the base and the mounting base plate are integrally formed members, and the surface of the mounting base plate is provided with mounting screw holes.

Preferably, an injection molding hole is formed in the upper end face of the top die holder and penetrates through the top mounting cavity to reach the insides of the male die and the female die.

Preferably, the movable groove directly passes through the mounting bottom plate and a bottom mounting cavity on the bottom die base.

Preferably, the drawing of patterns ejecting member comprises limiting plate and mounting panel and elasticity ejector pin, limiting plate and mounting panel be integrated into one piece's component, elasticity ejector pin quantity is four groups, installs perpendicularly on the mounting panel, the inside of the direct die of elasticity ejector pin passing movable groove.

Preferably, the elasticity ejector pin comprises a flexible female pole and a flexible sub-pole and a buffer spring, the bottom fixed welding of flexible female pole is on the mounting panel, flexible sub-pole activity is inserted in the inside of flexible female pole, a flexible top is installed in addition on flexible sub-pole top, the buffer spring cover is in the outside of flexible sub-pole, and both ends support flexible female pole and flexible top respectively.

Preferably, the center of the outer surface of the limiting plate is additionally provided with a connecting clamping groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through setting up four elasticity ejector pins of installation on drawing of patterns ejecting member, form the ejector pin that has buffer structure through telescopic link and spring, when meetting the shaping goods and being difficult to take out, the elasticity ejector pin can cushion the power of absorbing the hydraulic stem transmission and form elastic potential energy, and is slow ejecting with goods, has avoided hydraulic power directly to cause on the goods that the goods is directly used that goods rigidity breaks away from and causes the damage, reduces the defective rate.

Drawings

FIG. 1 is a schematic view of the overall structure of a forming mold for manufacturing a plastic product according to the present invention;

FIG. 2 is a schematic view of a bottom mold base of a forming mold for manufacturing plastic products according to the present invention;

FIG. 3 is a schematic view of a bottom surface structure of a top mold base of a forming mold for manufacturing a plastic product according to the present invention;

fig. 4 is a schematic diagram of a structure of a mold ejector of a mold for manufacturing a plastic product.

In the figure: 1. a bottom die holder; 2. a top die holder; 3. mounting a bottom plate; 4. a bottom mounting cavity; 5. a female die; 6. a guide pillar and a guide sleeve; 7. injection molding holes; 8. a guide hole; 9. a movable groove; 10. demolding the top piece; 11. a connecting clamping groove; 12. a cavity is installed at the top; 13. a male die; 14. mounting a plate; 15. a telescopic female rod; 16. a telescopic sub-rod; 17. a flexible plug; 18. a buffer spring; 19. a limiting plate; 20. an elastic ejector rod.

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 forming mold for manufacturing a plastic product includes a bottom mold base 1 and a top mold base 2, wherein an installation bottom plate 3 is disposed at the bottom of the bottom mold base 1, a bottom installation cavity 4 is disposed inside the upper end of the bottom mold base 1, a female mold 5 is disposed inside the bottom installation cavity 4, a guide post and guide sleeve 6 is respectively disposed at four corners of the upper end surface of the bottom mold base 1, a movable groove 9 is disposed on the bottom surface of the installation bottom plate 3, a demolding ejecting member 10 is disposed inside the movable groove 9, a top installation cavity 12 is disposed inside the lower end surface of the top mold base 2, a male mold 13 is disposed inside the top installation cavity 12, and guide holes 8 are respectively disposed at four corners of the lower end surface of the top mold base 2.

The bottom die holder 1 and the mounting base plate 3 are integrally formed components, and mounting screw holes are formed in the surface of the mounting base plate 3; an injection molding hole 7 is formed in the upper end face of the top die holder 2, and the injection molding hole 7 penetrates through the top mounting cavity 12 and reaches the inner parts of the male die 13 and the female die 5; the movable groove 9 directly penetrates through the mounting bottom plate 3 and the bottom mounting cavity 4 on the bottom die holder 1; the demolding top piece 10 consists of limiting plates 19, mounting plates 14 and elastic ejector rods 20, the limiting plates 19 and the mounting plates 14 are integrally formed members, the number of the elastic ejector rods 20 is four, the elastic ejector rods 20 are vertically mounted on the mounting plates 14, and the elastic ejector rods 20 penetrate through the movable grooves 9 to reach the interior of the female die 5; the elastic ejector rod 20 consists of a telescopic female rod 15, a telescopic sub-rod 16 and a buffer spring 18, the bottom of the telescopic female rod 15 is fixedly welded on the mounting plate 14, the telescopic sub-rod 16 is movably inserted into the telescopic female rod 15, the top end of the telescopic sub-rod 16 is additionally provided with a flexible ejector head 17, the buffer spring 18 is sleeved outside the telescopic sub-rod 16, and two ends of the buffer spring respectively abut against the telescopic female rod 15 and the flexible ejector head 17; the central position of the outer surface of the limiting plate 19 is additionally provided with a connecting clamping groove 11.

It should be noted that, the present invention is a forming mold for making plastic products, by forming a movable groove 9 on the bottom surface of the mounting bottom plate 3, which directly passes through the bottom mounting cavity 4 on the mounting bottom plate 3 and the bottom mold base 1, installing a demolding top member 10 composed of a limiting plate 19, a mounting plate 14 and an elastic post rod 20 inside the movable groove 9, the demolding top member 10 is connected to a hydraulic push rod of a forming machine through a connecting slot 11 on the back surface of the limiting plate 19, in practical use, after the injection molding is completed and the products are cooled and formed, the top mold base 2 moves along with the movable mold plate, so that the male mold 13 withdraws from the female mold 5, then the hydraulic push rod at the lower end of the forming machine acts on the demolding top member 10, the elastic post rod 20 is driven to act on the formed products in the female mold 5 through the limiting plate 19 and the mounting plate 14, under normal conditions, the products, however, when the product is not completely cooled and still has a certain adhesion with the female die 5, the acting force of the hydraulic push rod acts on the elastic push rod 20, because the product cannot be taken off temporarily, the telescopic sub-rod 16 is contracted into the telescopic female rod 15 under the continuous acting force, the kinetic energy is absorbed and stored by the buffer spring 18, when the hydraulic push rod moves to the limit position, the buffer spring 18 completely stores the kinetic energy into elastic potential energy and slowly releases the elastic potential energy to drive the telescopic sub-rod 16 to act on the product, and the product is slowly pushed out from the female die 5, so that the purpose of nondestructive demoulding is achieved.

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. A forming die for manufacturing plastic products is characterized in that: the die comprises a bottom die holder (1) and a top die holder (2), wherein the bottom of the bottom die holder (1) is provided with an installation bottom plate (3), a bottom installation cavity (4) is formed in the upper end of the bottom die holder (1), a female die (5) is arranged in the bottom installation cavity (4), a guide pillar and guide sleeve (6) is arranged at each of four corners of the upper end face of the bottom die holder (1), a movable groove (9) is formed in the bottom face of the installation bottom plate (3), a demolding ejection piece (10) is arranged in the movable groove (9), a top installation cavity (12) is formed in the lower end face of the top die holder (2), a male die (13) is arranged in the top installation cavity (12), and a guide hole (8) is arranged at each of four corners of the lower end face of the top die holder (2).

2. The molding die for manufacturing plastic products of claim 1, wherein: the die holder (1) and the mounting base plate (3) are integrally formed components, and mounting screw holes are formed in the surface of the mounting base plate (3).

3. The molding die for manufacturing plastic products of claim 1, wherein: an injection molding hole (7) is formed in the upper end face of the top die holder (2), and the injection molding hole (7) penetrates through the top mounting cavity (12) and directly reaches the inner portions of the male die (13) and the female die (5).

4. The molding die for manufacturing plastic products of claim 1, wherein: the movable groove (9) directly penetrates through the mounting bottom plate (3) and the bottom mounting cavity (4) on the bottom die holder (1).

5. The molding die for manufacturing plastic products of claim 1, wherein: drawing of patterns top member (10) comprises limiting plate (19) and mounting panel (14) and elasticity ejector pin (20), limiting plate (19) and mounting panel (14) are integrated into one piece's component, elasticity ejector pin (20) quantity is four groups, installs perpendicularly on mounting panel (14), elasticity ejector pin (20) pass the inside of activity groove (9) direct die (5).

6. The molding die for manufacturing plastic products of claim 5, wherein: elasticity ejector pin (20) comprise a flexible female pole (15) and a flexible sub-pole (16) and a buffer spring (18), the bottom fixed welding of flexible female pole (15) is on mounting panel (14), flexible sub-pole (16) activity is inserted in the inside of flexible female pole (15), flexible top (17) are installed in addition on flexible sub-pole (16) top, buffer spring (18) cover is in the outside of flexible sub-pole (16), and both ends support flexible female pole (15) and flexible top (17) respectively.

7. The molding die for manufacturing plastic products of claim 5, wherein: the center of the outer surface of the limiting plate (19) is additionally provided with a connecting clamping groove (11).