CN210389933U

CN210389933U - Plastic mold with automatic bottom demolding function

Info

Publication number: CN210389933U
Application number: CN201920897827.5U
Authority: CN
Inventors: 陈洪勇; 聂磊; 沈振兴; 柏文俞; 刘建军; 李刚
Original assignee: Dongguan Quanneng Plastic Products Co ltd
Current assignee: Dongguan Quanneng Plastic Products Co ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-04-24
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses an automatic demolding plastic mould in bottom, its characteristic includes base (1), die (2), and terrace die (3) constitute, die (2) are located on step (1-2) of base (1) to pass through-hole (1-3) that base (1) was reserved with the bolt hole (2-4) on bolt hole (2) and die (2) link to each other, terrace die (3) detain and put directly over die (2), constitute a shaping space (23) between terrace die (3) and die (2) lock back, terrace die (3) lower extreme is equipped with toper locating pin (3-2), die (2) upper end is equipped with toper locating hole (2-2), toper locating pin (3-2) set up and fix a position in toper locating hole (2-2).

Description

Plastic mold with automatic bottom demolding function

Technical Field

The utility model belongs to the technical field of the mould, concretely relates to automatic demolding plastic mould in bottom.

Background

The mold is a mold sleeve for manufacturing a molded article, and the mold sleeve consists of a plurality of parts and realizes article molding mainly through the change of the physical state of a molded material; the existing plastic mold mainly comprises demolding operation and manual operation, when the mold surface of a product after injection molding has certain packing force and static mold surface force, the molded product is frequently subjected to mold sticking, manual demolding is difficult, the labor intensity of workers is increased, and meanwhile, certain damage is caused to a human body when the workers contact the high-temperature injection molded product for a long time.

Therefore, the applicant thinks that the research on the plastic mold with the bottom automatic demolding has necessary practical significance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic demolding plastic mould in bottom to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an automatic demolding plastic mould in bottom, its characterized in that includes base (1), die (2), terrace die (3) constitute, die (2) are located on step (1-2) of base (1) to pass through-hole (1-3) that base (1) was reserved with the bolt hole (2-4) on die (2) with the bolt and link to each other, terrace die (3) detain and put directly over die (2), constitute a shaping space (23) between terrace die (3) and die (2) lock back, terrace die (3) lower extreme is equipped with toper locating pin (3-2), die (2) upper end is equipped with toper locating hole (2-2), toper locating pin (3-2) set up and fix a position in toper locating hole (2-2).

Preferentially, one side of base (1) is equipped with door opening (1-1), base (1) inside is hollow out construction, and installs pneumatic cylinder (4) and hydraulic tank (5) in the hollow out construction, pneumatic cylinder (4) bottom links to each other with hydraulic pump (6) through high pressure fuel pipe (6-1), pneumatic cylinder (4) upper portion links to each other with hydraulic tank (5) through returning oil pipe (6-2), hydraulic pump (6) installation is fixed on the upper portion of hydraulic tank (5), hydraulic pump (6) bottom is connected with into oil pipe (6-3), it stretches into and is close hydraulic tank (5) bottom to advance oil pipe (6-3).

Preferentially, the hydraulic pump (6) is connected with the switch (8) through a wire, meanwhile, the hydraulic pump (6) is also connected with the emergency stop button (9) through a wire, and the hydraulic pump (6) is provided with a power socket and is connected with an external power supply.

Preferentially, the center of the female die (2) is provided with an injection molding room (2-1), and the bottom of the injection molding room (2-1) is provided with a push rod hole (2-3).

Preferentially, the center of the male die (3) is provided with a bulge (3-1), two sides of a die plate of the male die (3) are provided with injection molding ports (3-3), the other two sides of the die plate are provided with risers (3-4), and the upper surface of the male die (3) is provided with lifting lugs (3-5).

Preferentially, the central push rod of the hydraulic cylinder (4) penetrates through the push rod holes (2-3) and is fixedly connected with the top plate (7).

Compared with the prior art, the utility model provides an automatic demolding plastic mould in bottom possesses following beneficial effect:

simple structure, convenient operation adopts the ejecting plastic product that takes shape of bottom lift mode, and easy drawing of patterns need not to adopt the manual drawing of patterns, has reduced workman's intensity of labour, and the workman also need not the high temperature injection moulding product after the long-term contact takes shape, has reduced the injury to the human body.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic cross-sectional view of an overall structure of a bottom automatic demolding plastic mold according to the present invention;

fig. 2 is a schematic view of a three-dimensional structure of the base (1) in the plastic mold with an automatic bottom demolding according to the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the female die (2) in the plastic mold with automatic bottom demolding according to the present invention;

fig. 4 is the schematic view of the three-dimensional structure of the male mold (3) in the plastic mold with the bottom automatically demoulded provided by the utility model.

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.

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 a fixed connection, a detachable connection, or an integral connection; 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.

Referring to fig. 1-4, the present invention provides a technical solution:

the bottom automatic demolding plastic mold is characterized by comprising a base 1, a female mold 2 and a male mold 3, wherein the female mold 2 is located on a step 1-2 of the base 1 and is connected with a bolt hole 2-4 in the female mold 2 through a through hole 1-3 reserved in the base 1 through a bolt, the male mold 3 is buckled right above the female mold 2, a forming space 23 is formed between the male mold 3 and the female mold 2 after buckling, a conical positioning pin 3-2 is arranged at the lower end of the male mold 3, a conical positioning hole 2-2 is formed in the upper end of the female mold 2, and the conical positioning pin 3-2 is arranged in the conical positioning hole 2-2 for positioning.

The utility model discloses in, preferential, one side of base 1 is equipped with door opening 1-1, 1 inside hollow out construction that is of base, and installs pneumatic cylinder 4 and hydraulic tank 5 in the hollow out construction, pneumatic cylinder (4) bottom links to each other with hydraulic pump 6 through high pressure fuel pipe 6-1, 4 upper portions of pneumatic cylinder link to each other with hydraulic tank 5 through returning oil pipe 6-2, hydraulic pump 6 installs and fixes on the upper portion of

hydraulic tank

5, 6 bottoms of hydraulic pump are connected with into oil pipe 6-3, it stretches into and is close hydraulic tank 5 bottoms to advance oil pipe 6-3.

The utility model discloses in, preferential, hydraulic pump 6 passes through the wire and links to each other with corotation switch 8, and hydraulic pump 6 still links to each other with reversal switch 9 through the wire simultaneously, hydraulic pump 6 is from taking supply socket and linking to each other with external power supply.

In the utility model, preferentially, the center of the concave die 2 is provided with an injection molding chamber 2-1, and the bottom of the injection molding chamber 2-1 is provided with a push rod hole 2-3.

The utility model discloses in, preferential, terrace die 3 center is equipped with arch 3-1, 3 template both sides of terrace die are equipped with the mouth of moulding plastics 3-3, and the template other both sides are equipped with rising head 3-4, 3 upper surfaces of terrace die are provided with plays lug 3-5.

In the utility model, preferentially, 4 central push rods of the hydraulic cylinder pass through the push rod holes 2-3 and are fixedly connected with the top plate 7.

The utility model discloses a theory of operation and use flow are as follows:

when high-temperature injection molding materials flow into the molding space 23 from the injection molding opening 3-3 and are molded, air in the molding space is forced to be discharged from the riser 3-4, after an injection molding product is molded, the male mold 3 is lifted by the lifting lugs 3-5, the forward rotation switch 8 is turned on, the hydraulic pump 6 works to enable the center push rod of the hydraulic cylinder 4 to be lifted to drive the top plate 7 to be lifted, the top plate 7 jacks up the injection molding product and separates from a mold of the injection molding product, and the bottom automatic mold stripping function is achieved.

And after demoulding contact, turning on the reversing switch 9 to enable the central push rod of the hydraulic cylinder 4 to fall down, buckling the male die 3, then continuing injection molding, and repeating the use process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A plastic mold with an automatic bottom demolding function is characterized by comprising a base (1), a female mold (2) and a male mold (3), wherein the female mold (2) is located on a step (1-2) of the base (1), a bolt penetrates through a through hole (1-3) reserved in the base (1) and is connected with a bolt hole (2-4) in the female mold (2), the male mold (3) is buckled right above the female mold (2), a forming space (23) is formed between the male mold (3) and the female mold (2) after buckling, a conical positioning pin (3-2) is arranged at the lower end of the male mold (3), a conical positioning hole (2-2) is formed in the upper end of the female mold (2), the conical positioning pin (3-2) is arranged in the conical positioning hole (2-2) for positioning, a door hole (1-1) is formed in one side of the base (1), the base (1) is internally provided with a hollow structure, a hydraulic cylinder (4) and a hydraulic tank (5) are arranged in the hollow structure, the bottom of the hydraulic cylinder (4) is connected with a hydraulic pump (6) through a high-pressure oil pipe (6-1), the upper part of the hydraulic cylinder (4) is connected with the hydraulic tank (5) through an oil return pipe (6-2), the hydraulic pump (6) is fixedly arranged on the upper part of the hydraulic tank (5), the bottom of the hydraulic pump (6) is connected with an oil inlet pipe (6-3), the oil inlet pipe (6-3) extends to be close to the bottom of the hydraulic tank (5), a bulge (3-1) is arranged at the center of the male die (3), injection molding openings (3-3) are arranged at two sides of a die plate of the male die (3), risers (3-4) are arranged at the other two sides of the die plate, and lifting, the center push rod of the hydraulic cylinder (4) penetrates through the push rod hole (2-3) and is fixedly connected with the top plate (7), the center of the female die (2) is provided with an injection molding chamber (2-1), and the bottom of the injection molding chamber (2-1) is provided with a push rod hole (2-3).

2. The automatic bottom molding plastic mold of claim 1, wherein: the hydraulic pump (6) is connected with the switch (8) through a wire, meanwhile, the hydraulic pump (6) is also connected with the emergency stop button (9) through a wire, and the hydraulic pump (6) is provided with a power socket and is connected with an external power supply.