CN220883225U

CN220883225U - Hot runner mold

Info

Publication number: CN220883225U
Application number: CN202322836084.XU
Authority: CN
Inventors: 段艳红; 卢银山; 刘世财; 段艳波
Original assignee: Guangdong Zhentai Motor Technology Co ltd
Current assignee: Guangdong Zhentai Motor Technology Co ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-05-03
Anticipated expiration: 2033-10-23

Abstract

The utility model relates to the field of dies, in particular to a hot runner die, wherein a third die core, a first die core and a second die core which are mutually perpendicular in the central axis direction are arranged on the surface of a lower die part, the first die core is connected with the second die core and then is in an L shape, the third die core supports the second die core, a plurality of die parts surrounding the first die core, the second die core and the third die core are further arranged on the surface of the lower die part, after die assembly, an upper die cavity positioned on the bottom surface of an upper die part is matched with the die parts to wrap the first die core, the second die core and the third die core, and the gaps among the die parts, the first die core, the second die core and the third die core are filled with plastic fluid in the upper die part. The first core, the second core, the third core and a plurality of die parts are adopted, and gaps filled with plastic fluid are reserved between the die parts and the first core, the second core and the third core in the position relation of the die parts, so that the product after parting is in an L shape and provided with an assembling part.

Description

Hot runner mold

Technical Field

The utility model relates to the field of molds, in particular to a hot runner mold.

Background

The existing product is a control switch in the floor washing machine and is used for preventing waste water from flowing backwards, and the structure of the shell of the control switch is as follows: the lower bottom surface of one end of the L-shaped pipeline is communicated with an assembling part, the appearance of the shell does not belong to a standard part, the shell belongs to a special type of floor washing machine, and a traditional mould cannot produce the product.

Disclosure of utility model

In order to solve the problems, the utility model provides a hot runner mold, which aims to solve the problem that the traditional mold can not produce a product with a shape of a control switch.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the hot runner mold comprises an upper mold part and a lower mold part, and is characterized in that a third mold core and a first mold core and a second mold core which are mutually perpendicular in the central axis direction are arranged on the surface of the lower mold part, the first mold core is L-shaped after being connected with the second mold core, the third mold core supports the second mold core, a plurality of female mold parts surrounding the first mold core, the second mold core and the third mold core are further arranged on the surface of the lower mold part, after mold closing, an upper cavity positioned on the bottom surface of the upper mold part is matched with the female mold part to wrap the first mold core, the second mold core and the third mold core, and the gap between the female mold part and the first mold core, the second mold core and the gap between the female mold part and the third mold core are filled with plastic fluid in the upper mold part.

Further, the lower die part comprises a lower die plate, the surface of the lower die plate is provided with a cross-shaped groove structure, and the female die part is arranged at a position, close to the end point, of the groove structure.

Further, the female mold part is provided with three, namely a first female mold part, a second female mold part and a third female mold part, which are respectively provided with shapes matched with three sides of the product.

Further, a first row of positions, a second row of positions and a third row of positions are arranged in the end points of the groove-shaped structure, the side face of the first row of positions is connected with the first die core, the second row of positions is connected with the first die part, the third row of positions is connected with the second die part, and the second die core, the third die core and the third die part are fixed on the lower die plate.

Further, the lower die part comprises a thimble and a bottom needle plate, wherein the thimble and the bottom needle plate are arranged below the lower die plate, the tail end of the thimble is fixed on the bottom needle plate, the head of the thimble penetrates into a demolding hole reserved in the central area of the groove-shaped structure, the lower die plate is pushed in the direction of a product, and the thimble penetrates through the demolding hole to jack up the product from the second core, so that the demolding of the product is realized.

Further, the lower die part further comprises a reset rod and a stop plate, the stop plate is positioned below the bottom needle plate, one end of the reset rod is fixed in the lower die plate, the other end of the reset rod is fixed on the stop plate, the bottom needle plate is sleeved on the surface of the reset rod and positioned between the stop plate and the lower die plate, the reset rod is further sleeved with a spring, two ends of the spring respectively prop against the lower die plate and the bottom needle plate, when the die is removed, the bottom needle plate compresses the spring, and after the die is removed, the spring is reset, and the ejector pins are guided into the die removing holes.

The utility model has the beneficial effects that:

The first core, the second core, the third core and the plurality of die parts are adopted, and gaps filled with plastic fluid are reserved between the die parts and the first core, the second core and the third core in the position relation of the die parts, so that the product after parting is L-shaped and provided with an assembling part and has a cavity structure, and therefore, the manufacturing of the product realizing the appearance structure is completed, and the problem of the non-adaptation of the traditional die is solved.

Drawings

Fig. 1 is a structural view of a product.

Fig. 2 is a perspective view of the present utility model.

Fig. 3 is a perspective view of a hidden partial upper mold section of the present utility model.

Fig. 4 is a perspective view of the upper template of fig. 3 after it is hidden in another direction.

Fig. 5 is a perspective view of the other direction of fig. 4.

Fig. 6 is a perspective view of the first die section.

Fig. 7 is a perspective view of the second die section.

Fig. 8 is a perspective view of the upper die plate.

Fig. 9 is a perspective view of the lower die plate.

Fig. 10 is a perspective view of the three cores after they are connected.

Reference numerals illustrate:

100a, a pipeline; 100b, an assembly part; 1. an upper mold part; 1a, an upper template; 1a', upper cavity;

2. a lower die portion; 21. a lower template; 21a, a trough-like structure; 22. a thimble; 23. a bottom needle plate;

24. A reset lever; 25 stop plates; 26. a spring; 27 telescopic cylinder;

3. A first core; 4. a second core; 5. a third core; 6. a first die portion;

7. A second die section; 8. a third die portion; 9. a first row of bits; 10. a second row bit;

11. And the third row of bits.

Detailed Description

The utility model relates to a hot runner mold for producing a product shown in fig. 1, which comprises two parts, namely an L-shaped pipeline and an assembling part extending from the bottom surface of one end of the pipeline, wherein the pipeline and the assembling part are in a communicated state.

The present utility model relates to a hot runner mold for producing a product as shown in fig. 1, which comprises two parts, namely an L-shaped pipe 100a and an assembling portion 100b extending from a bottom surface of one end of the pipe 100a, wherein the pipe 100a and the assembling portion 100b are in a communicating state.

As shown in fig. 2-10, the present utility model comprises an upper mold part 1 and a lower mold part 2, wherein the lower mold plate 21 in the lower mold part 2 is provided with a cross-shaped groove-shaped structure 21a on the surface, a concave mold part is arranged at the position of the groove-shaped structure 21a near the three end points, the first mold core 3, the second mold core 4 and the third mold core 5 at the center position of the groove-shaped structure 21a are partially surrounded, wherein the first mold core 3 and the second mold core 4 are of cylindrical structures, the first mold core 3 and the second mold core 4 are mutually connected in a mode that central axes are mutually perpendicular, the connected shape is L-shaped, after the mold is closed, an upper mold cavity 1a 'on the bottom surface of the upper mold plate 1a wraps the first mold core 3, the second mold core 4 and the third mold core 5 together with the concave mold part, after the plastic fluid is injected into the upper mold part 1, and the gaps between the concave mold part, the upper mold cavity 1a' and the first mold core 3, the second mold core 4 and the third mold core 5 are filled with the plastic fluid after the mold separation, and the plastic fluid is in the shape shown as the product.

The upper die plate 1a is a part of the upper die portion 1 and belongs to the end of the upper die portion 1.

It should be further noted that the first core 3 is detachably connected to the second core 4, specifically, a plug hole is formed in a side surface of an upper end of the second core 4, one end of the first core 3 has a shape and a size adapted to the plug hole, and the first core 3 is inserted into the plug hole of the second core 4.

In this particular embodiment, the mould parts are provided with three, respectively a first mould part 6, a second mould part 7, a third mould part 8, each having a shape matching the three sides of the product.

In this embodiment, the three end points of the slot-shaped structure 21a are internally provided with a first row position 9, a second row position 10 and a third row position 11, the side surface of the first row position 9 is connected with the first die part 3, the second row position 10 is connected with the first die part 6, the third row position 11 is connected with the second die part 7, the second die part 4, the third die part 5 and the third die part 8 are fixed on the lower die plate 21 through screws, the three row positions are externally connected with a telescopic cylinder 27, and when the die is separated, the telescopic cylinder 27 is retracted to enable the first die part 3, the first die part 6 and the second die part 7 to move along the end points of the slot-shaped structure 21a to the outside of the product respectively, and the telescopic cylinder 27 is used as a power source for demolding, so that the die has the advantages of high power and high stability.

The lower die part 2 comprises a thimble 22 and a bottom needle plate 23 which are positioned below the lower die plate 21, the tail end of the thimble 22 is fixed on the bottom needle plate 23, the head of the thimble 22 penetrates into a demoulding hole reserved in the central area of the groove-shaped structure 21a, and after the lower die plate 21 is pushed in the direction of a product, the thimble 22 penetrates through the demoulding hole to jack the product up from the second core 4, so that the demoulding of the product is realized; in this jacking-up method, the ejector pin 22 is ejected by thrust force, and the ejector pin can be ejected stably by utilizing the rigidity of the ejector pin.

The lower die part 2 further comprises a reset rod 24 and a stop plate 25, the stop plate 25 is positioned below the bottom needle plate 23, one end of the reset rod 24 is fixed in the lower die plate 21, the other end of the reset rod is fixed on the stop plate 25, the bottom needle plate 23 is sleeved on the surface of the reset rod 24 and positioned between the stop plate 25 and the lower die plate 21, a spring 26 is sleeved on the reset rod 24, two ends of the spring 26 respectively prop against the lower die plate 21 and the bottom needle plate 23, the bottom needle plate 23 compresses the spring 26 when the die is removed, and after the die removal is completed, the spring 26 is reset to guide the ejector pins 22 into the die removal holes; the purpose of automatic reset is achieved, the extra reset step is omitted, and the production efficiency is quickened.

The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims

1. The hot runner mold comprises an upper mold part and a lower mold part, and is characterized in that a third mold core and a first mold core and a second mold core which are mutually perpendicular in the central axis direction are arranged on the surface of the lower mold part, the first mold core is L-shaped after being connected with the second mold core, the third mold core supports the second mold core, a plurality of female mold parts surrounding the first mold core, the second mold core and the third mold core are further arranged on the surface of the lower mold part, after mold assembly, an upper cavity positioned on the bottom surface of the upper mold part is matched with the female mold part to partially wrap the first mold core, the second mold core and the third mold core, and plastic fluid in the upper mold part fills gaps among the female mold part, the first mold core, the second mold core and the third mold core.

2. A hot runner mold as in claim 1 wherein: the lower die part comprises a lower die plate, the surface of the lower die plate is provided with a cross-shaped groove structure, and the female die part is arranged at a position of the groove structure close to the end point of the groove structure.

3. A hot runner mold as in claim 2 wherein: the female mould parts are provided with three female mould parts, namely a first female mould part, a second female mould part and a third female mould part, and have shapes matched with three sides of the product.

4. A hot runner mold according to claim 3, characterized in that: the end points of the groove-shaped structure are internally provided with a first row position, a second row position and a third row position, the side face of the first row position is connected with the first mold core, the second row position is connected with the first female mold part, the third row position is connected with the second female mold part, and the second mold core, the third mold core and the third female mold part are fixed on the lower die plate.

5. A hot runner mold as in claim 1 wherein: the lower die part comprises a thimble and a bottom needle plate, wherein the thimble and the bottom needle plate are arranged below the lower die plate, the tail end of the thimble is fixed on the bottom needle plate, the head of the thimble penetrates into a demoulding hole reserved in the central area of the groove-shaped structure, the lower die plate is pushed in the direction of a product, and the thimble penetrates through the demoulding hole to jack up the product from the second core, so that the demoulding of the product is realized.

6. A hot runner mold as in claim 1 wherein: the lower die part also comprises a reset rod and a stop plate, wherein the stop plate is positioned below the bottom needle plate, one end of the reset rod is fixed in the lower die plate, the other end of the reset rod is fixed on the stop plate, the bottom needle plate is sleeved on the surface of the reset rod and positioned between the stop plate and the lower die plate, the reset rod is also sleeved with a spring, two ends of the spring respectively prop against the lower die plate and the bottom needle plate, and when the die is removed, the bottom needle plate compresses the spring, and after the die is removed, the spring is reset to guide the ejector pins into the die removing holes.