CN211334365U - Injection mold for circuit pressing plate of power control box - Google Patents

Abstract

The utility model relates to the technical field of injection molds, in particular to an injection mold for a circuit pressure plate of a control box, comprising an upper mold base, a lower mold base and a base, the top of the base is fixedly connected with a lower mold base, and the lower mold base is fixedly connected to the top of the base. The top end is provided with an upper mold seat, the inner side of the bottom end of the upper mold seat is detachably connected with a front mold, and the inner side of the top end of the lower mold seat is detachably connected with a rear mold, and the front mold includes a first front mold insert, The second front mold insert, the third front mold insert, the fourth front mold insert, the fifth front mold insert, and the sixth front mold insert, the back mold including the first back mold insert, the second back mold insert Die inserts, third rear die inserts, and fourth rear die inserts, in this utility model, through the provided front die, rear die and other components, the inserts such as the third front die inserts in the front die can be passed And the replacement of inserts such as the third back mold insert in the back mold, so that in the repeated injection molding process, the worn inserts are replaced, thereby prolonging the service life of the front mold and the back mold.

Description

A control box circuit pressure plate injection mold

technical field

The utility model relates to the technical field of injection moulds, in particular to an injection mould for a circuit pressure plate of an electric control box.

Background technique

Injection mold is a tool for producing plastic products; it is also a tool for imparting complete structure and precise dimensions to plastic products. Injection molding is a processing method used in mass production of parts with complex shapes. The injection molding machine injects high pressure into the mold cavity, and after cooling and solidifying, a molded product is obtained. With the development of society, the application of injection molds is more and more extensive. Therefore, the demand for an injection mold for a control box circuit pressure plate is increasing.

Existing injection molds are generally of integral structure, and the injection of molten plastic is realized by opening holes and grooves in the mold. During the repeated injection molding process, some convex parts in the mold will be worn, which will reduce the injection accuracy and affect the service life of the mold. Therefore, in view of the above problems, an injection mold for the circuit pressure plate of the control box is proposed.

Utility model content

The purpose of the present utility model is to provide an injection mold for a circuit pressure plate of an electric control box, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the utility model provides the following technical solutions:

An injection mold for a circuit pressure plate of an electric control box, comprising an upper mold seat, a lower mold seat and a base, the top of the base is fixedly connected with a lower mold seat, the top of the lower mold seat is provided with an upper mold seat, and the upper mold The inner side of the bottom end of the seat is detachably connected with a front mold, and the inner side of the top end of the lower mold seat is detachably connected with a rear mold, and the rear mold is arranged at the bottom end of the front mold, and the front mold includes a first front mold insert, The second front mold insert, the third front mold insert, the fourth front mold insert, the fifth front mold insert, and the sixth front mold insert, the back mold including the first back mold insert, the second back mold insert Mold inserts, third rear mold inserts, and fourth rear mold inserts.

Preferably, the number of the front mold and the rear mold are both two, the front mold is arranged on the inner side of the upper mold base in front and rear, and the rear mold is arranged on the inner side of the lower mold base in front and rear.

Preferably, the bottom end face of the first front mold insert is fixedly connected with a second front mold insert, the third front mold insert, the fourth front mold insert, the fifth front mold insert and the sixth front mold insert The die inserts are all embedded at the bottom end of the second front die insert, and the third front die insert, the fourth front die insert, the fifth front die insert and the sixth front die insert are all centrally symmetrically arranged On the second front die insert, the fourth front die insert and the fifth front die insert are arranged between the sixth front die inserts on the left and right sides, and the third front die insert on the left side The part is arranged behind the fourth front die insert on the left, and the third front die insert on the right is arranged in front of the fourth front die insert on the right.

Preferably, the top surface of the first rear mold insert is fixedly connected to the third rear mold insert, and the third rear mold insert and the fourth rear mold insert are both embedded in the second rear mold insert. Inside the top end, the third rear mold insert and the fourth rear mold insert are arranged left and right, the left end of the third rear mold insert is fixedly connected with the second rear mold insert, and the fourth rear mold insert is The right end is fixedly connected with the second rear mold insert.

Preferably, the top end of the upper mold base is provided with an injection head, the injection head penetrates the inner side of the top end of the upper mold base, and the injection head communicates with the interior of the upper mold base.

Compared with the prior art, the beneficial effects of the present utility model are:

In the utility model, the front mold, the rear mold and other components are provided, and the front mold, the rear mold and the pressure plate after injection molding can be taken out from the mold seat through the first front mold insert and the first rear mold insert, and the Replacing the inserts such as the third front mold inserts in the front mold and the third rear mold inserts in the rear mold, so that in the repeated injection molding process, the worn inserts are replaced, thereby extending the front mold. and the service life of the rear mold, reducing the replacement cost of the front mold and the rear mold.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the structural representation of the upper die seat of the present utility model;

Fig. 3 is the front mold structure schematic diagram of the present utility model;

Fig. 4 is the structural representation of the lower die seat of the present utility model;

Figure 5 is a schematic diagram of the structure of the rear mold of the present invention.

In the figure: 1-upper die base, 2-lower die base, 3-front die, 301-first front die insert, 302-second front die insert, 303-third front die insert, 304-first die insert Four front mold inserts, 305-fifth front mold inserts, 306-sixth front mold inserts, 4-rear molds, 401-first rear mold inserts, 402-second rear mold inserts, 403-first Three back mold inserts, 404-fourth back mold inserts, 5-base, 6-injection head.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figures 1-5, the present utility model provides a technical solution:

An injection mold for a circuit pressure plate of a control box, comprising an upper mold base 1, a lower mold base 2 and a base 5, the top of the base 5 is fixedly connected with the lower mold base 2, and this arrangement makes the lower mold base 2 through the base 5. The position is fixed, the top end of the lower die base 2 is provided with an upper die base 1, and the inner side of the bottom end of the upper die base 1 is detachably connected with a front die 3. This arrangement facilitates the replacement of the front die 3. The lower die The top inner side of the seat 2 is detachably connected with the rear mold 4, which is convenient for the replacement of the rear mold 4, and the rear mold 4 is arranged at the bottom end of the front mold 3. This setting is through the mutual correspondence between the front mold 3 and the rear mold 4. The injection molding of the pressure plate can be realized. The front mold 3 includes a first front mold insert 301, a second front mold insert 302, a third front mold insert 303, a fourth front mold insert 304, and a fifth front mold insert. 305 and a sixth front mold insert 306 , the rear mold 4 includes a first rear mold insert 401 , a second rear mold insert 402 , a third rear mold insert 403 , and a fourth rear mold insert 404 .

The number of the front die 3 and the rear die 4 are both two, the front die 3 is arranged on the inner side of the upper die holder 1 in front and rear, and the rear die 4 is arranged on the inner side of the lower die holder 2 in front and rear. Multiple pressure plates can be injection-molded at one time, thereby increasing the production efficiency of the pressure plates. The bottom end surface of the first front mold insert 301 is fixedly connected with the second front mold insert 302, the third front mold insert 303, The fourth front mold insert 304, the fifth front mold insert 305, and the sixth front mold insert 306 are all embedded at the bottom end of the second front mold insert 302, and the third front mold insert 303, the fourth front mold insert 303, and the fourth front mold insert 303. The die inserts 304, the fifth front die inserts 305 and the sixth front die inserts 306 are centrally symmetrically arranged on the second front die inserts 302, the fourth front die inserts 304 and the fifth front die inserts The third front mold insert 303 on the left is arranged behind the fourth front mold insert 304 on the left and on the right The third front mold insert 303 is arranged in front of the fourth front mold insert 304 located on the right side. The inlays of the inserts 305 and the sixth front mold inserts 306 are shaped to the upper ends of the pressure plates, and the top end surface of the first rear mold inserts 401 is fixedly connected to the third rear mold inserts 403. The third rear mold inserts 403 and the fourth rear mold insert 404 are both embedded inside the top end of the second rear mold insert 402, and the third rear mold insert 403 and the fourth rear mold insert 404 are arranged left and right. The left end of the insert 403 is fixedly connected with the second rear mold insert 402, and the right end of the fourth rear mold insert 404 is fixedly connected with the second rear mold insert 402. This arrangement is connected with the third rear mold insert 403. The fourth rear mold insert 404 shapes the bottom end of the pressure plate, the top end of the upper mold base 1 is provided with an injection head 6, the injection head 6 passes through the inner side of the top end of the upper mold base 1, and the injection head 6 is connected to the top end of the upper mold base 1. The interior of the upper mold base 1 is communicated, and in this arrangement, the molten plastic material is injected into the mold through the injection head 6 to realize the injection molding of the pressing plate.

Workflow: In this utility model, firstly insert the third front mold insert 303, the fourth front mold insert 304, the fifth front mold insert 305 and the sixth front mold insert 306 into the second front mold insert in sequence Inside the bottom end of 302, insert the third rear mold insert 403 and the fourth rear mold insert 404 on the inside of the top end of the second rear mold insert 402 in turn, and then insert the two front mold inserts 301 through the first front mold insert 301. 3 is fixed on the inner side of the bottom end of the upper mold base 1, and the two rear molds 4 are fixed on the inner side of the top end of the lower mold base 2 through the first rear mold insert 401, and then the upper mold base 1 is placed on the top of the lower mold base 2. After the front mold 3 and the rear mold 4 correspond to each other, the upper mold base 1 and the lower mold base 2 are fixed to each other, and the melt is injected into the injection head 6, so that the melt passes through the injection head 6 and enters the upper mold base 1 and the lower mold base 2. During the injection process, the melt will gradually contact the front mold 3 and the back mold 4 until the melt fills the gap between the front mold 3 and the back mold 4. At this time, the injection of melt into the injection head 6 is stopped, and the After the device is kept under pressure and cooled, the upper die holder 1 is taken out from the top of the lower die holder 2 to realize the injection molding of the pressure plate. During the repeated injection molding process, the inner sides of the front die 3 and the rear die 4 will gradually wear out, which will affect the precision of the pressure plate and cause the device At this time, the worn inserts can be disassembled and replaced separately, thereby saving the replacement cost due to mold wear.

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

Claims (5)

1. An injection mold for a circuit pressure plate of an electrical control box, comprising an upper mold seat (1), a lower mold seat (2) and a base (5), characterized in that: the top of the base (5) is fixedly connected with a lower mold seat (2), the top end of the lower die holder (2) is provided with an upper die holder (1), the inner side of the bottom end of the upper die holder (1) is detachably connected with a front die (3), the lower die holder A rear mold (4) is detachably connected to the inner side of the top end of (2), and the rear mold (4) is arranged at the bottom end of the front mold (3), and the front mold (3) includes a first front mold insert (301) , the second front mold insert (302), the third front mold insert (303), the fourth front mold insert (304), the fifth front mold insert (305) and the sixth front mold insert (306) The back mold (4) includes a first back mold insert (401), a second back mold insert (402), a third back mold insert (403), and a fourth back mold insert (404). 2. A control box circuit pressure plate injection mold according to claim 1, characterized in that: the number of the front mold (3) and the rear mold (4) are both 2, and the front mold (3) The rear die (4) is arranged on the inner side of the lower die holder (2) in front and rear. 3. A control box circuit pressure plate injection mold according to claim 1, characterized in that: the bottom end surface of the first front mold insert (301) is fixedly connected with a second front mold insert (302), The third front mold insert (303), the fourth front mold insert (304), the fifth front mold insert (305) and the sixth front mold insert (306) are all embedded in the second front mold insert. The bottom end of the part (302), and the third front mold insert (303), the fourth front mold insert (304), the fifth front mold insert (305) and the sixth front mold insert (306) are all in the shape of The center is symmetrically arranged on the second front die insert (302), the fourth front die insert (304) and the fifth front die insert (305) are arranged on the sixth front die insert (306) on the left and right sides ), the third front mold insert (303) on the left is arranged behind the fourth front mold insert (304) on the left, and the third front mold insert (304) on the right 303) is provided in front of the fourth front mold insert (304) located on the right side. 4. A control box circuit pressure plate injection mold according to claim 1, characterized in that: the top surface of the first rear mold insert (401) is fixedly connected to the third rear mold insert (403), The third rear mold insert (403) and the fourth rear mold insert (404) are both embedded inside the top end of the second rear mold insert (402), and the third rear mold insert (403) and the third The four rear mold inserts (404) are arranged left and right, the left end of the third rear mold insert (403) is fixedly connected with the second rear mold insert (402), and the fourth rear mold insert (404) is The right end is fixedly connected with the second rear mold insert (402). 5. An injection mold for a circuit pressure plate of a control box according to claim 1, characterized in that: an injection head (6) is provided at the top of the upper mold base (1), and the injection head (6) passes through Inside the top end of the upper die holder (1), the injection head (6) communicates with the inside of the upper die holder (1).

Images