CN210190419U - Multi-runner key injection molding template - Google Patents

Abstract

The utility model relates to the technical field of machinery, specifically be a multithread way button injection moulding board, including first fixed plate, the front side of first fixed plate is equipped with the second fixed plate, and close welding has the die on the trailing flank of second fixed plate, and it has the terrace die to closely weld the position of die on the first fixed plate, is equipped with the sprue that is linked together with the external world in the terrace die, all is equipped with the first subchannel that is linked together with the external world on the adjacent side of terrace die and die, is equipped with the second subchannel on the chamber wall of first button shaping cavity, is equipped with the third subchannel on the chamber wall of second button shaping cavity. The utility model discloses the shaping rate is high, has improved work efficiency, and has better cooling effect.

Description

Multi-runner key injection molding template

Technical Field

The utility model relates to the technical field of machinery, specifically be a multithread way button injection mold board.

Background

The keyboard is an instruction and data input device for operating equipment operation, is equipped with more button on the keyboard, and the button is the plastics material, and the button needs to use the injection molding machine to carry out injection moulding when the production preparation, and the injection moulding board is the fashioned necessary plate of button, and the congeals material runner's on the ordinary injection moulding board quantity less, causes the shaping rate of button low, further can influence work efficiency. In view of this, we propose a multi-channel key injection molding template.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multithread way button injection mold board to the quantity of the congealing the material runner on the general injection mold board that proposes in solving above-mentioned background is less, and the shaping rate that causes the button is low, further can influence work efficiency's problem.

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

a multi-runner key injection molding template comprises a first fixing plate, wherein the first fixing plate is fixedly installed on a shell of an injection molding machine through a plurality of fastening bolts, a second fixing plate is arranged on the front side of the first fixing plate, the second fixing plate is tightly welded with the tail end of a telescopic shaft of a hydraulic cylinder on the injection molding machine, and a female die is tightly welded on the rear side face of the second fixing plate;

a male die is tightly welded at a position, opposite to the female die, on the first fixing plate, a main runner communicated with the outside is arranged in the male die, first branch runners communicated with the outside are arranged on one side surface, adjacent to the male die and the female die, of the male die, the positions of the two first branch runners are opposite to each other, the first branch runners on the male die are communicated with the main runner, a third key forming cavity, a second key forming cavity, a first key forming cavity and a space key forming cavity are sequentially arranged on one side surface, adjacent to the male die and the female die, of the male die and the female die from left to right, and the number of the third key forming cavity, the second key forming cavity and the first key forming cavity is multiple;

the key forming device comprises a first key forming cavity, a second key forming cavity, a first subchannel and a second subchannel, wherein the cavity wall of the first key forming cavity is provided with the second subchannel, the second subchannel is communicated with the first subchannel, the space key forming cavity is communicated with the first subchannel, the cavity wall of the second key forming cavity is provided with a third subchannel, the third subchannel is communicated with the first subchannel, and the third key forming cavity is communicated with the first subchannel.

Preferably, a plurality of guide posts which are arranged in a matrix form and distributed in a horizontal shape are welded on the female die in a tight welding mode.

Preferably, the position of the first key forming cavity on the male die is opposite to the position of the corresponding first key forming cavity on the female die.

Preferably, a guide hole communicated with the outside is formed in the position, opposite to the guide post, of the male die, and the guide post penetrates through the guide hole and is in insertion fit with the guide hole.

Preferably, the male die and the female die are both provided with a water inlet pipe and a water outlet pipe, and the water outlet pipe is positioned right above the water inlet pipe.

Preferably, the convex die and the concave die are internally provided with a plurality of water storage tanks which are linearly arranged at equal intervals, and every two adjacent water storage tanks are communicated through a groove.

Preferably, the water inlet pipe is communicated with the water storage tank positioned at the lowest part, and the water outlet pipe is communicated with the water storage tank positioned at the uppermost part.

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

1. the utility model discloses a sprue that sets up, first subchannel, second subchannel and third subchannel, make congeal the material follow the sprue and flow the back, can flow along first subchannel, and enter into in second subchannel and the third subchannel, enter into corresponding first button shaping cavity after that, blank key shaping cavity, second button shaping cavity and third button shaping cavity are indoor, carry out injection moulding to the button, improve the shaping rate of button, also improve work efficiency to a certain extent, the quantity of having solved congeal the material runner on the general injection moulding board is less, the shaping rate that causes the button is low, further can influence work efficiency's problem.

2. The utility model discloses an inlet tube and the outlet pipe of setting to through a plurality of aqua storage tanks that set up, cold water gets into from the inlet tube, flows from the outlet pipe that is located the top, realizes cooling fashioned button, guarantees that its cooling effect is better, and the quantity of having solved cooling channel in general multithread way button injection moulding board is less, and it is relatively poor to appear the cooling effect easily, influences the fashioned problem of button.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural view of the first fixing plate and the male die of the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 4 is a schematic structural view of the second fixing plate and the female die of the present invention;

fig. 5 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 6 is a cross-sectional view of the male die of the present invention.

In the figure: 1. a first fixing plate; 10. a second fixing plate; 11. a female die; 12. a guide post; 2. a male die; 20. a main flow channel; 21. a first shunt passage; 22. a first key forming chamber; 221. a second branch flow channel; 23. a space key forming chamber; 24. a second key forming chamber; 241. a third shunting passage; 25. a third key forming chamber; 26. a guide hole; 3. a water inlet pipe; 4. a water outlet pipe; 5. a water storage tank; 50. and (4) a groove.

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 is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

A multi-runner key injection molding template is shown in figures 1 to 4 and comprises a first fixing plate 1, wherein the first fixing plate 1 is fixedly installed on a shell of an injection molding machine through a plurality of fastening bolts, a second fixing plate 10 is arranged on the front side of the first fixing plate 1, the second fixing plate 10 is tightly welded with the tail end of a telescopic shaft of a hydraulic cylinder on the injection molding machine, a female die 11 is tightly welded on the rear side face of the second fixing plate 10, a male die 2 is tightly welded on the first fixing plate 1 opposite to the female die 11, a main runner 20 communicated with the outside is arranged in the male die 2, first branch runners 21 communicated with the outside are arranged on adjacent sides of the male die 2 and the female die 11, the first branch runners 21 on the male die 2 are communicated with the main runner 20, a third key molding chamber 25 and a second key molding chamber 24 are sequentially arranged on adjacent sides of the male die 2 and the female die 11 from left, First button shaping cavity 22 and space key shaping cavity 23, the quantity of third button shaping cavity 25, second button shaping cavity 24 and first button shaping cavity 22 is a plurality of, be equipped with second subchannel 221 on the chamber wall of first button shaping cavity 22, second subchannel 221 is linked together with first subchannel 21, space key shaping cavity 23 is linked together with first subchannel 21, be equipped with third subchannel 241 on the chamber wall of second button shaping cavity 24, third subchannel 241 is linked together with first subchannel 21, third button shaping cavity 25 is linked together with first subchannel 21.

In this embodiment, a plurality of threaded holes communicated with the outside are formed in the first fixing plate 1, fastening bolts are connected to the threaded holes in an internal thread manner, and the first fixing plate 1 is fixedly installed on a shell of the injection molding machine through the fastening bolts, so that the first fixing plate is convenient to install and disassemble.

Specifically, the positions of the two first branched runners 21 are opposite to each other, the position of the first key forming cavity 22 on the male die 2 is opposite to the position of the corresponding first key forming cavity 22 on the female die 11, the position of the space key forming cavity 23 on the male die 2 is opposite to the position of the space key forming cavity 23 on the female die 11, the position of the second key forming cavity 24 on the male die 2 is opposite to the position of the second key forming cavity 24 on the female die 11, and the position of the third key forming cavity 25 on the male die 2 is opposite to the position of the third key forming cavity 25 on the female die 11, so that after the male die 2 and the female die 11 are folded, the two first branched runners 21 are just combined together to form a complete runner, and the corresponding cavities are also just combined together to form a complete key shape.

Further, a plurality of guide posts 12 which are arranged in a matrix form and distributed in a horizontal shape are welded on the female die 11 closely, guide holes 26 communicated with the outside are formed in positions, facing the guide posts 12, on the male die 2, the guide posts 12 penetrate through the guide holes 26 and are matched with the guide holes 26 in an inserted mode, it is guaranteed that the guide posts 12 can play a good guiding role when the female die 11 moves, and the position of the female die 11 is prevented from deviating.

In addition, the length of the guide post 12 is equal to the depth of the guide hole 26, so that after the guide post 12 is completely inserted into the guide hole 26, the male die 2 and the female die 11 are just combined together, and the adjacent side surfaces of the male die 2 and the female die 11 are just attached to each other.

In this embodiment, through the main runner 20, the first sub-runner 21, the second sub-runner 221 and the third sub-runner 241, the condensed material flows in from the main runner 20, then enters the first sub-runner 21, and enters the corresponding space key forming chamber 23 and the third key forming chamber 25, another part of the condensed material enters the first key forming chamber 22 along the second sub-runner 221, and meanwhile, part of the condensed material enters the second key forming chamber 24 along the third sub-runner 241, so as to form the keys, thereby improving the forming rate of the keys, and also improving the working efficiency to a certain extent, solving the problems that the number of the condensed material runners on a general injection molding plate is small, the forming rate of the keys is low, and further the working efficiency is affected.

Example 2

In the specific operation, in order to further improve the forming rate of the key, therefore, the male die 2 and the female die 11 are improved on the basis of embodiment 1, as a preferred embodiment, as shown in fig. 5 and 6, the male die 2 and the female die 11 are respectively provided with a water inlet pipe 3 and a water outlet pipe 4, the water outlet pipe 4 is located right above the water inlet pipe 3, the male die 2 and the female die 11 are respectively provided with a plurality of water storage tanks 5 which are linearly arranged at equal intervals, two adjacent water storage tanks 5 are communicated with each other through a groove 50, the water inlet pipe 3 is communicated with the water storage tank 5 located at the lowermost part, and the water outlet pipe 4 is communicated with the water storage tank 5 located at the uppermost part.

In this embodiment, the wall of the water storage tank 5 is provided with a through hole for the water inlet pipe 3 and the water outlet pipe 4 to pass through, and the water inlet pipe 3 and the water outlet pipe 4 pass through the corresponding through holes and are closely adhered to the wall of the through hole, so as to ensure a firmer structure.

Specifically, inlet tube 3 and outlet pipe 4 are the hose, and its material is softer promptly, guarantees that die 11 is at the in-process that removes, and the condition of rupture can not appear in inlet tube 3 and outlet pipe 4.

Furthermore, the water storage tank 5 and the groove 50 integrally form a bow-shaped structure, so that the time for cooling water to flow in the water storage tank 5 is long enough, the cooling water can absorb heat on the male die 2 and the female die 11 in time, and the cooling effect is improved.

In this embodiment, through inlet tube 3 and the outlet pipe 4 that sets up, and inlet tube 3 is in the below of outlet pipe 4, and the cooling water just can follow outlet pipe 4 and flow out after being full of aqua storage tank 5 and recess 50 to improve its cooling effect, do benefit to the shaping of button, it is less to have solved the quantity of cooling channel in general multithread way button injection moulding board, it is relatively poor to appear the cooling effect easily, influences the fashioned problem of button.

When the multi-runner key injection molding template of the utility model is used, an external injection molding machine is started and works, the condensate is injected from the main runner 20, the condensate enters the first branch runner 21 and enters the corresponding space key molding cavity 23 and the third key molding cavity 25, the other part of the condensate enters the first key molding cavity 22 along the second branch runner 221, meanwhile, part of the condensate enters the second key molding cavity 24 along the third branch runner 241 to mold the key, in addition, the water inlet pipe 3 is communicated with an external cooling water inlet pipe, the water outlet pipe 4 is communicated with an external wastewater recovery pipe, the cooling water enters the water inlet pipe 3 and then enters the water storage tank 5, the water outlet pipe 4 can flow out only after the cooling water is filled with the water storage tank 5 and the groove 50, thereby improving the cooling effect, improving the molding rate of the key, and solving the problem that the number of the condensate runners on the common injection molding template is small, the forming rate of the key is low, and the working efficiency is further affected.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a multithread way button template of moulding plastics, includes first fixed plate (1), its characterized in that: the first fixing plate (1) is fixedly arranged on a shell of an injection molding machine through a plurality of fastening bolts, a second fixing plate (10) is arranged on the front side of the first fixing plate (1), the second fixing plate (10) is tightly welded with the tail end of a telescopic shaft of a hydraulic cylinder on the injection molding machine, and a concave die (11) is tightly welded on the rear side face of the second fixing plate (10);

a male die (2) is tightly welded on the position of the first fixing plate (1) opposite to the female die (11), a main runner (20) communicated with the outside is arranged in the male die (2), first branch runners (21) communicated with the outside are respectively arranged on one side surface of the male die (2) adjacent to the female die (11), the positions of the two first branch runners (21) are opposite to each other, the first branch runners (21) on the male die (2) are communicated with the main runner (20), a third key forming cavity (25), a second key forming cavity (24), a first key forming cavity (22) and a space key forming cavity (23) are sequentially arranged on one side surface of the male die (2) adjacent to the female die (11) from left to right, the number of the third key forming cavities (25), the number of the second key forming cavities (24) and the number of the first key forming cavities (22) are all a plurality;

the key forming device is characterized in that a second shunt passage (221) is formed in the cavity wall of the first key forming cavity (22), the second shunt passage (221) is communicated with the first shunt passage (21), the space key forming cavity (23) is communicated with the first shunt passage (21), a third shunt passage (241) is formed in the cavity wall of the second key forming cavity (24), the third shunt passage (241) is communicated with the first shunt passage (21), and the third key forming cavity (25) is communicated with the first shunt passage (21).

2. The multi-channel key injection molding plate of claim 1, wherein: and a plurality of guide posts (12) which are arranged in a matrix form and distributed in a horizontal shape are tightly welded on the female die (11).

3. The multi-channel key injection molding plate of claim 1, wherein: the position of the first key forming cavity (22) on the male die (2) is opposite to the position of the corresponding first key forming cavity (22) on the female die (11).

4. The multi-channel key injection molding plate of claim 2, wherein: and a guide hole (26) communicated with the outside is formed in the position, opposite to the guide post (12), of the male die (2), and the guide post (12) penetrates through the guide hole (26) and is in inserted fit with the guide hole (26).

5. The multi-channel key injection molding plate of claim 1, wherein: the water inlet pipe (3) and the water outlet pipe (4) are arranged on the male die (2) and the female die (11), and the water outlet pipe (4) is located right above the water inlet pipe (3).

6. The multi-channel key injection molding plate of claim 5, wherein: the water storage tanks (5) are linearly arranged at equal intervals, and the water storage tanks (5) are communicated with each other through grooves (50).

7. The multi-channel key injection molding plate of claim 6, wherein: the water inlet pipe (3) is communicated with the water storage tank (5) located at the lowest part, and the water outlet pipe (4) is communicated with the water storage tank (5) located at the highest part.

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