CN219838127U - A multi-cavity mold forming structure with end-face glue feeding - Google Patents

Abstract

A multi-cavity mold forming structure with end-face glue feeding belongs to the technical field of multi-cavity injection molds. It includes an upper compound plate, a pushing plate, a cavity frame, a backing plate and a lower backing plate arranged in sequence. The cavity frame and the backing plate are connected; a molding station is provided on the backing plate, and a molding station is provided at the station. block, the molding block is provided with a cavity, the cavity frame is provided with an upper mold block, an upper core is provided on it, and a lower core is provided on the lower complex plate. The cavity and the corresponding upper core and core are The product molding cavity is formed in between; the upper cover plate and the push plate are provided with a glue inlet, the cavity frame and the cavity are provided with a glue inlet flow channel, the upper cover plate is provided with a pull rod, and the push plate is provided with a Limit screw. Through the arrangement of upper and lower cores and mold cavities, this utility model is based on the structural design of the slider and upper mold block, and cooperates with the cavity frame, upper and lower composite plates and backing plates to set the position of the glue inlet at the end face of the product. When opening the mold, the gate and the product can be separated at the interface between them, realizing rapid gate removal.

Description

A multi-cavity mold forming structure with end-face glue feeding

Technical field

The utility model belongs to the technical field of multi-cavity injection molds, and specifically relates to a multi-cavity mold forming structure with end-face glue feeding.

Background technique

At present, there are many kinds of electrical plastic accessories. Injection mold is a tool for producing plastic products. In order to obtain the required plastic products, the gate of the product needs to be cut off after the mold is opened. The existing gate cutting method generally adopts manual operation. , manipulator, point gate, etc. Manual operation requires a lot of manpower and material resources, and the production cost is high. Moreover, manual gate cutting also has problems such as uneven gate cutting or even mistakenly cutting plastic products, resulting in reduced product quality. If robots are used to replace manual pruning, production costs will be increased and production efficiency will be affected to a certain extent. As for the latent gate glue feeding method, the outer surface of the potential gate product will also affect the appearance of the product. At the same time, it has certain restrictions on the product structure, and many products cannot be realized. The quick-plug cup comb electrical accessories involved in this utility model cannot realize latent gate and robot positioning shearing and pouring production.

Utility model content

In view of the above-mentioned problems existing in the prior art, the purpose of this utility model is to provide a multi-cavity mold forming structure with end-face glue feeding, which can actively remove the gate when opening the mold, realize automatic demoulding of the product, and improve improve production efficiency.

The utility model provides the following technical solution: a multi-cavity mold forming structure with end-face glue feeding, including an upper compound plate and a lower compound plate. A push plate, a cavity frame and a backing plate are arranged between the upper and lower compound plates in sequence. The frame and the backing plate are connected; the backing plate is provided with a set of forming stations, each forming station is provided with a forming block, the forming block is provided with a set of cavities, and the cavity frame is provided with an upper mold block , the upper mold block is arranged in conjunction with the molding block, with a set of upper cores on it, and a set of lower cores on the lower complex plate. A product molding cavity is formed between the mold cavity and the corresponding upper core and core. ; The upper compound plate and the push plate are provided with a glue inlet, the cavity frame and the cavity are provided with a glue inlet flow channel, the upper compound plate is provided with a pull rod, and the push plate is provided with a push material The first limit screw and the second limit screw are used to limit the movement of the plate and cavity frame.

Further, the forming block includes two slide blocks, which are slidably arranged on the backing plate and controlled by an inclined guide pillar mechanism. The slide blocks are provided with a set of half-cavity holes, and are assembled between the two slide blocks to form A complete set of cavities.

Further, the slide block and the upper mold block are both provided with a set of inclined guide post holes, and the cavity frame is provided with an inclined guide pillar. The inclined guide pillar passes through the inclined guide pillar hole on the upper mold block and is connected with the slide block. The inclined guide post holes on the slider are matched with each other to form a linkage mechanism for controlling the sliding of the slider.

Further, an ejector plate is provided between the backing plate and the lower composite plate. The ejector plate is connected to the ejector rod of the injection molding machine. A set of ejector tubes are provided on the ejector plate. The ejector tubes are sleeved on the outside of the lower core and pass through the pad. The outer side of the ejector tube is equipped with a spring, and the spring is located between the backing plate and the ejector plate.

Further, the lower composite board is provided with a panel board, and one end of the lower core is fixed on the panel board.

Further, the first limit screw is provided on one side of the push plate, one end of which passes through the upper cover plate and is fixed on the push plate, and the second limit screw is provided on one side of the push plate, One end of it passes through the backing plate and is fixed on the push plate.

Furthermore, the other ends of the first limit screw and the second limit screw are provided with limit ends, and the upper plate and the cavity frame are respectively provided with limit holes corresponding to the limit ends.

By adopting the above technology, compared with the existing technology, the beneficial effects of this utility model are as follows:

1) In this utility model, a complete product molding cavity is formed through the arrangement of upper and lower cores and mold cavities. It is based on the structural design of the slider and the upper mold block, and is equipped with the cavity frame, upper and lower composite plates and The backing plate sets the position of the glue inlet at the end face of the product. When the mold is opened after the injection molding is completed, the gate and the product can be separated at the junction, realizing the rapid removal of the gate. There is no pouring on the outer surface of the product. mouth marks;

2) In this utility model, through the set of ejector plates, springs and ejector tubes, automatic demoulding of products can be achieved, improving production efficiency and production quality;

3) In the present utility model, through the first and second limiting screws, the push plate and the cavity frame can be limited during the demoulding process, which facilitates the quick removal of the runner.

Description of the drawings

Figure 1 is a schematic diagram of the overall structure of the utility model;

Figure 2 is a schematic longitudinal cross-sectional structural diagram of the utility model;

Figure 3 is a schematic cross-sectional structural diagram of the utility model;

Figure 4 is a schematic diagram of the top installation structure of the upper molding block of the present utility model;

Figure 5 is a schematic diagram of the installation structure of the slider of the present utility model;

Figure 6 is a schematic diagram of the three-dimensional installation structure of the upper molding block of the present utility model;

Figure 7 is a schematic structural diagram of the upper molding block of the present utility model.

Implementation

In order to make the purpose, technical solutions and advantages of the present utility model more clear, the utility model will be further described in detail below in conjunction with the drawings and embodiments of the description. It should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.

On the contrary, the present invention covers any alternatives, modifications, equivalent methods and solutions within the spirit and scope of the present invention as defined by the claims. Furthermore, in order to enable the public to have a better understanding of the present utility model, some specific details are described in detail in the following detailed description of the present utility model. It is possible for those skilled in the art to fully understand the present invention without the description of these detailed parts.

Please refer to Figure 1-7, a multi-cavity mold forming structure with end-face glue feeding, including an upper cover plate 3, a push plate 4, a cavity frame 5, a backing plate 6, an ejector plate 16 and a The lower back plate 10; the backing plate 6 and the lower back plate 10 are transitionally connected through two mold feet 9 to provide space for the movement of the ejector plate 16.

Specifically, the upper cover plate 3 and the pushing plate 4 are provided with glue inlets; the upper cover plate 3 is provided with a plurality of pull rods 11, and under the action of the pull rods 11, the tributary channels and the molded product 2 are The connection point gate is disconnected, and the runner 1 formed in the branch channel is separated from the product 2.

Specifically, the pushing plate 4 is provided with a first limiting screw and a second limiting screw for limiting the movement of the pushing plate 4 and the cavity frame 5; the first limiting screw is provided on the pushing plate 4. On one side, one end of it passes through the upper cover plate 3 and is fixed on the push plate 4. The second limit screw is set on one side of the push plate 4, and one end of it passes through the backing plate 6 and is fixed on the push plate 4. ; The other ends of the first limit screw and the second limit screw are provided with limit ends, and the upper plate 3 and the cavity frame 5 are respectively provided with limit holes corresponding to the limit ends.

Specifically, the cavity frame 5 and the backing plate 6 are connected through a nylon hook 18;

Among them, the backing plate 6 is provided with two molding stations, and each molding station is provided with a molding block. The molding block is provided with a plurality of mold cavities 14, and the mold cavity frame 5 and the mold cavity 14 are provided with glue feeding devices. The upper mold block 501 is installed at the lower part of the cavity frame 5. The upper mold block 501 has a U-shaped structure and is arranged correspondingly with the molding block. The upper mold block 501 is provided with a set of upper cores. 502, the lower composite plate 10 is provided with a set of panel plates 15, and a lower core 12 corresponding to the upper core 502 is installed on the panel plate 15; the mold cavity 14 and the corresponding upper core 502 and lower core 12 A product molding cavity is formed between them, which is used to form product 2 after glue injection.

Specifically, the forming block includes two slide blocks 8. The slide blocks 8 are slidably arranged on the backing plate 6 through a guide rail slide block mechanism. The slide blocks 8 are slidably controlled through an inclined guide column mechanism. Both the slide blocks 8 and the upper molding block 501 are A set of inclined guide post holes 7 is provided, and the cavity frame 5 is provided with an inclined guide post 17. The lower end of the inclined guide post 17 passes through the inclined guide post hole 7 on the upper mold block 501 and is connected with the inclined guide post 17 on the slider 8. The column holes 7 are arranged in cooperation with each other to form a linkage mechanism for controlling the sliding of the slider 8 .

Among them, a set of half-cavity holes is provided on the inner side of the slider 8, and the two sliders 8 are assembled to form a set of complete mold cavities 14.

Specifically, an ejector plate 16 is provided between the backing plate 6 and the lower composite plate 10. The ejector plate 16 is connected to the ejector rod of the injection molding machine. The ejector plate 16 is provided with a set of ejector tubes 13, and the ejector tubes 13 are sleeved on the lower core 12. and passes through the backing plate 6. A spring is set on the outside of the ejector tube 13, and the spring is located between the backing plate 6 and the ejector plate 16.

The mold using the structure of this utility model, as shown in Figure 1, is a horizontal opening mold; its working process is as follows:

After injection molding, the cavity frame 5 and the backing plate 6 are in a closed state under the action of the nylon retractor 18, and move together with the movable mold. As the mold is opened, the push plate 4 and the cavity frame 5 are separated first, and then The composite plate 3 and the pushing plate 4 are separated. Under the action of the pull rod 11, the connection point (gate) between the branch channel and the molded product 2 is disconnected. The molded flow channel in the branch channel is separated from the product 2, and the mold continues to be opened. , the cavity frame 5 pulls the push plate 4 forward by about 8mm through the first limit screw, and the push plate 4 stops moving under the pull of the second limit screw to ensure that the molding runner is safely dropped, and then, through the manipulator Clamp the flow channel; as the mold opening progresses, the cavity frame 5 stops moving under the limit of the first limit screw, and opens the mold with the backing plate 6. The inclined guide pillar 17 drives the slider 8 to slide open, and then The ejector pin of the injection molding machine pushes out the push tube 13 to realize the safe falling of the molded product 2.

The above descriptions are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the present utility model. Within the protection scope of utility model.

Claims (7)

1. A multi-cavity mould shaping structure of terminal surface advance gluey, its characterized in that: the device comprises an upper compound plate and a lower compound plate, wherein a pushing plate, a cavity frame and a backing plate are sequentially arranged between the upper compound plate and the lower compound plate, and the cavity frame is connected with the backing plate; a group of forming stations are arranged on the base plate, forming blocks are arranged at each forming station, a group of cavities are arranged on the forming blocks, an upper forming block is arranged on a cavity frame, the upper forming block is matched with the forming blocks, a group of upper cores are arranged on the upper forming block, a group of lower cores are arranged on the lower compound plate, and a product forming cavity is formed between the cavities and the corresponding upper cores and between the cavities and the cores; the upper compound plate and the pushing plate are provided with glue inlets, the cavity frame and the cavity are provided with glue inlet branch channels, the upper compound plate is provided with a pulling rod, and the pushing plate is provided with a first limit screw and a second limit screw for limiting the movement of the pushing plate and the cavity frame.

2. The multi-cavity mold molding structure for end surface glue feeding according to claim 1, wherein the molding block comprises two sliding blocks, the sliding blocks are arranged on the base plate in a sliding manner and are controlled in a sliding manner through the inclined guide pillar mechanism, a group of half cavity holes are formed in the sliding blocks, and a group of complete cavities are formed between the two sliding blocks in an assembling manner.

3. The multi-cavity mold molding structure for end surface glue feeding according to claim 2, wherein a group of inclined guide post holes are formed in the sliding block and the upper mold block, inclined guide posts are arranged on the cavity frame, the inclined guide posts penetrate through the inclined guide post holes on the upper mold block to be inserted into the inclined guide post holes on the sliding block, and a linkage mechanism for controlling sliding of the sliding block is formed by being matched with the inclined guide post holes on the sliding block.

4. The multi-cavity mold forming structure for end surface glue feeding according to claim 1, wherein an ejector plate is arranged between the base plate and the lower compound plate, the ejector plate is connected with an ejector rod of an injection molding machine, a group of ejector pipes are arranged on the ejector plate, the ejector pipes are sleeved outside the lower core and penetrate through the base plate, springs are sleeved outside the ejector pipes, and the springs are positioned between the base plate and the ejector plate.

5. The multi-cavity mold molding structure for feeding glue to the end surface of the mold according to claim 1, wherein the lower compound plate is provided with an insert plate, and one end of the lower core is fixed on the insert plate.

6. The multi-cavity mold forming structure for feeding glue to an end surface according to claim 1, wherein the first limit screw is arranged on one side of the pushing plate, one end of the first limit screw penetrates through the upper compound plate and is fixed on the pushing plate, the second limit screw is arranged on one side of the pushing plate, and one end of the second limit screw penetrates through the backing plate and is fixed on the pushing plate.

7. The multi-cavity mold molding structure for end surface glue feeding according to claim 6, wherein the other ends of the first limit screw and the second limit screw are respectively provided with a limit end, and the upper complex plate and the cavity frame are respectively provided with a limit hole corresponding to the limit end.