CN219360020U - Plastic mould - Google Patents

Abstract

The utility model discloses a plastic mold, which belongs to the technical field of molds and comprises a mold main body, wherein the center of the top of the mold main body is provided with a mold cavity, the inside of the mold main body is provided with a cavity part, the cavity part of the mold main body is provided with cooling plates, two symmetrically distributed fixing plates are arranged in the cavity part, a bidirectional screw rod is arranged between the two fixing plates, two ends of the bidirectional screw rod are provided with threads with opposite directions, two ends of the bidirectional screw rod are symmetrically provided with nut seats and traction plates for driving the cooling plates to lift, the bottom of the cavity part is provided with a refrigerator, and the refrigerating end of the refrigerator is provided with copper braided wire belts connected with the cooling plates. This plastic mold compares the current equipment of price, through the cooling plate laminating cold drawing after the refrigeration, has realized quick refrigerated effect, and can automatic ejecting plastic product, and drawing of patterns efficiency improves greatly.

Description

Plastic mould

Technical Field

The utility model belongs to the technical field of molds, and particularly relates to a plastic mold.

Background

The mould is used for producing various moulds and tools of the needed products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods in industry. In short, a mold is a tool used to make a molded article, which is made up of various parts, with different molds being made up of different parts. The processing of the appearance of the article is realized mainly by changing the physical state of the formed material. The mould is widely applied to the aspect of manufacturing plastic and metal products, and the existing plastic mould is easy to bond with the mould after stamping or injection molding is finished, so that the mould is inconvenient to demould, and the purpose of caliber controllability is realized through structural change of an outdoor product plastic mould with the Chinese patent publication number of CN218083944U, but the effect of rapidly demould the plastic product still cannot be realized.

Disclosure of Invention

The utility model aims to provide a plastic mould for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a plastic mold, includes the mould main part, the center at mould main part top is established to the mould cavity, and the cavity portion has been seted up to the inside of mould main part, the cavity portion of mould main part is provided with the cooling plate, two symmetrically distributed's fixed plates are installed to the cavity portion bottom, and are provided with two-way lead screw between two fixed plates, two ends of two-way lead screw are equipped with opposite direction's screw thread, and two-way lead screw's both ends symmetric distribution has nut seat and the traction plate that are used for driving the cooling plate to go up and down, the refrigerator is installed to the bottom of cavity portion, and the refrigeration end of refrigerator is provided with the copper braid that links up with the cooling plate.

Preferably, both ends of the bidirectional screw rod are rotationally connected with the fixed plate through bearings, and one end of the bidirectional screw rod is connected with a driving motor.

Preferably, the two nut seats are sleeved at two ends of the periphery of the bidirectional screw rod, and the bottom sides of the nut seats are bonded with the bottom of the die main body to form a limit.

Preferably, two hollow cavities are arranged between the die main body and the cavity part, and ejector rods are arranged on the inner periphery of the hollow cavities.

Preferably, the bottom of ejector pin runs through the mould main part, and the periphery of ejector pin is connected with the ring that blocks that is used for spacing.

Preferably, both sides of the cooling plate are connected with extension plates, and driving rods are arranged at positions corresponding to the ejector rods at the tops of the extension plates.

Preferably, a plurality of heat dissipation air ports are formed in the side edge of the die main body.

Compared with the prior art, the utility model has the technical effects and advantages that:

the operation of the refrigerator and the connection design of the copper braided wire belt and the cooling plate are adopted, and the cooling plate can be refrigerated through the high cold conductivity of the copper braided wire belt and the cooling plate;

the design of opposite directions of threads at two ends of the periphery of the bidirectional screw rod and the symmetrical connection design of the nut seat and the traction plate enable the cooling plate to ascend and be attached to the inner top of the die main body when the driving motor operates, so that rapid cooling is further realized;

the driving rod and the ejector rod are correspondingly arranged, when the driving rod operates, the ejector rod can be further pushed, the plastic product can be further ejected, and the plastic product is demoulded.

This plastic mold compares the current equipment of price, through the cooling plate laminating cold drawing after the refrigeration, has realized quick refrigerated effect, and can automatic ejecting plastic product, and drawing of patterns efficiency improves greatly.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of the structure of FIG. 2A in accordance with the present utility model;

fig. 4 is an enlarged view of the structure at B in fig. 2 according to the present utility model.

Reference numerals illustrate:

1. a mold body; 2. a cooling plate; 3. a fixing plate; 4. a refrigerating machine; 5. copper braided wire tape; 6. a driving motor;

21. a two-way screw rod; 22. a nut seat; 23. a traction plate;

31. a push rod; 32. a resistance ring;

41. a extension plate; 42. a driving rod;

51. a hollow cavity.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

Unless the directions indicated by the individual definitions are used, the directions of up, down, left, right, front, rear, inner and outer are all directions of up, down, left, right, front, rear, inner and outer in the drawings shown in the present utility model, and are described herein together.

The connection mode can adopt the prior modes such as bonding, welding, bolting and the like, and is based on the actual requirement.

Referring to fig. 1 and 2, the device body has a general structure that a mold main body 1 is provided, a center of a top of the mold main body 1 is provided with a mold cavity, the mold cavity is used for processing plastic products, a cavity portion is provided in the mold main body 1, one side of the cavity portion is provided with a clamping cover convenient to maintain, a cooling plate 2 is provided in the cavity portion, and the cooling plate 2 is made of metal materials.

Referring to fig. 1 and 2, in order to realize refrigeration, a refrigerator 4 is installed at the bottom of the cavity portion, a copper braided wire belt 5 is arranged at the refrigeration end of the refrigerator 4, the other end of the copper braided wire belt 5 is connected with the bottom of the cooling plate 2, the attaching area of the copper braided wire belt 5 and the cooling plate 2 can be increased according to requirements, and the cooling efficiency is increased.

Referring to fig. 2 and 3, in order to achieve the bonding and cooling, two symmetrically distributed fixing plates 3 are installed in the bottom of the cavity, a bidirectional screw rod 21 is rotatably connected between the two fixing plates 3, a driving motor 6 is installed on one side of one fixing plate 3, and an output end of the driving motor 6 penetrates through the fixing plate 3 and is connected with one end of the bidirectional screw rod 21;

opposite threads are arranged at two ends of the bidirectional screw rod 21, nut seats 22 are symmetrically sleeved at two ends of the bidirectional screw rod 21, the bottom sides of the nut seats 22 are attached to the bottom of the die main body 1 to form limit, and traction plates 23 are symmetrically hinged between the tops of the two nut seats 22 and the cooling plate 2;

the side of the die body 1 is provided with a plurality of heat-dissipating air ports which are used for discharging hot air emitted during cooling.

Referring to fig. 2 and 4, in order to realize automatic ejection, two hollow cavities 51 are provided between the mold main body 1 and the cavity, ejector rods 31 are provided at the inner periphery of the hollow cavities 51, the top ends of the ejector rods 31 are flush with the mold cavity, and a stop ring 32 for limiting is connected to the inner periphery of the ejector rods 31 in the hollow cavities 51;

the two sides of the cooling plate 2 are connected with extension plates 41, and driving rods 42 are arranged at the positions corresponding to the ejector rods 31 at the tops of the extension plates 41, wherein the driving rods 42 can be air cylinders or hydraulic rods.

The refrigerator 4 is a miniature refrigerator refrigerating device, the driving motor 6 and the driving rod 42 are all arranged in the prior art, and the working principle, the size and the model are irrelevant to the functions of the refrigerator, so that the refrigerator is not described more and is controlled by a remote control switch.

Principle of operation

When the plastic mold is needed to be used, the device body is arranged at an external stamping device, before injection molding or stamping, the refrigerator 4 is started, and the cooling plate 2 is cooled through the copper braided wire belt 5;

after the stamping or injection molding is finished, a driving motor 6 (a positive and negative rotating motor) is started to drive a bidirectional screw rod 21 to rotate so that a nut seat 22 rotates, and a traction plate 23 drives a cooling plate 2 to ascend and be attached to the inner top of the die main body 1, so that rapid heat dissipation is further realized, and cooling is further realized;

after the cooling is completed, the driving rod 42 is started to push the ejector rod 31 to rise, and the processed plastic product is further pushed to realize demoulding.

It should be noted that relational terms such as one and two are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

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

Claims (7)

1. A plastic mold, comprising:

the mold comprises a mold main body (1), wherein the center of the top of the mold main body (1) is provided with a mold cavity, and a cavity part is formed in the mold main body (1);

the cooling plate (2) is arranged at the cavity part of the die main body (1);

the method is characterized in that: two symmetrically distributed fixed plates (3) are arranged in the cavity, a bidirectional screw rod (21) is arranged between the two fixed plates (3), threads with opposite directions are arranged at two ends of the bidirectional screw rod (21), nut seats (22) and traction plates (23) for driving the cooling plate (2) to lift are symmetrically distributed at two ends of the bidirectional screw rod (21), a refrigerator (4) is arranged at the bottom of the cavity, and a copper braided wire belt (5) connected with the cooling plate (2) is arranged at the refrigerating end of the refrigerator (4).

2. A plastic mould according to claim 1, wherein: both ends of the two-way screw rod (21) are rotationally connected with the fixed plate (3) through bearings, and one end of the two-way screw rod (21) is connected with a driving motor (6).

3. A plastic mould according to claim 2, characterized in that: the two nut seats (22) are sleeved at two ends of the periphery of the bidirectional screw rod (21), and the bottom sides of the nut seats (22) are attached to the bottom of the die main body (1) to form limit.

4. A plastic mould according to claim 1, wherein: two hollow cavities (51) are arranged between the die main body (1) and the cavity parts, and ejector rods (31) are arranged on the inner periphery of the hollow cavities (51).

5. A plastic mold according to claim 4, wherein: the bottom of ejector rod (31) runs through mould main part (1), and the periphery of ejector rod (31) is connected with and is used for spacing choke ring (32).

6. A plastic mould according to claim 1, wherein: the two sides of the cooling plate (2) are connected with extension plates (41), and driving rods (42) are arranged at the tops of the extension plates (41) and at positions corresponding to the ejector rods (31).

7. A plastic mould according to claim 1, wherein: a plurality of heat dissipation air ports are formed in the side edge of the die main body (1).