CN219820534U - Whole board key cap injection mold - Google Patents

Abstract

The utility model relates to the technical field of injection molds and provides an integral plate key cap injection mold which comprises a first template and a second template, wherein a first mold core and a second mold core are respectively arranged on the first template and the second template, and the first mold core and the second mold core enclose a molding cavity for molding the integral plate key cap when the first template and the second template are assembled; the first die plate is provided with at least one hot nozzle, the first die core is provided with a hot runner and a plurality of glue injection holes, the glue injection holes are communicated with a forming cavity, and each hot nozzle is communicated with at least two glue injection holes through the hot runner. The glue solution heated by the hot nozzle is shunted into the forming cavity through the hot runner and the plurality of glue injection holes, so that the glue solution is ensured to be uniformly injected into the forming cavity, the injection molding of the whole plate key cap is realized, the number of the dies is reduced, and the cost is reduced; in addition, when the key cap is assembled, the whole plate key cap is only required to be placed on the keyboard, so that the labor intensity is reduced, and the production efficiency is improved.

Description

Whole board key cap injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold for a whole plate key cap.

Background

Currently, key cap molds on the market are generally divided into 5 sets of molds, specifically including 2 sets of hybrid key molds, 1 set of digital key molds, 1 set of standard key molds and 1 set of space key molds. The number of the molds required for producing a complete set of key caps is large, so that the production cost is high; in addition, 5 parts of key caps are needed to be placed on the keyboard manually during assembly, so that the labor intensity is high, and the production efficiency is low.

Disclosure of Invention

Therefore, the embodiment of the utility model provides an injection mold for a whole plate key cap, which aims to solve the problem of high production cost caused by more molds required for producing a whole set of key caps.

The embodiment of the utility model provides an integral plate key cap injection mold, which comprises a first template and a second template, wherein a first mold core and a second mold core are respectively arranged on the first template and the second template, and a molding cavity for molding the integral plate key cap is formed by the first mold core and the second mold core when the first template and the second template are assembled; the first die plate is provided with at least one hot nozzle, the first die core is provided with a hot runner and a plurality of glue injection holes, the glue injection holes are communicated with the forming cavity, and each hot nozzle is communicated with at least two glue injection holes through the hot runner.

The integral plate key cap injection mold provided by the embodiment of the utility model comprises a first mold plate and a first mold core, wherein at least one hot nozzle is arranged on the first mold plate, a hot runner and a plurality of glue injection holes are arranged on the first mold core, the glue injection holes are communicated with a forming cavity, and each hot nozzle is communicated with at least two glue injection holes through the hot runner. The heated glue solution is shunted into the forming cavity through the hot runner and the plurality of glue injection holes by utilizing the hot nozzle, so that the glue solution is ensured to be uniformly injected into the forming cavity, the injection molding of the whole plate key cap is realized, the number of dies is reduced, and the cost is reduced; in addition, when the key cap is assembled, the whole plate key cap is only required to be placed on the keyboard, so that the labor intensity is reduced, and the production efficiency is improved. In addition, each hot nozzle is communicated with at least two glue injection holes through a hot runner, so that the number of the hot nozzles is reduced, and the manufacturing cost of the die is reduced.

In some embodiments, the hot nozzle is provided with one and is positioned at the center of the first template, and the hot nozzle is communicated with all the glue injection holes through the hot runner.

The hot nozzle is arranged, so that the cost of the die is further reduced; meanwhile, the hot nozzle is positioned at the center of the first template to ensure that the hot nozzle evenly injects glue to each glue injection hole.

In some embodiments, the glue injection hole is a tapered hole, and an aperture of an end of the glue injection hole near the second mold core is smaller than an aperture of an end of the tapered hole far from the second mold core.

By adopting the technical scheme, the pouring gate formed in the glue injection hole is beneficial to being separated from the glue injection hole.

In some embodiments, the whole-plate key cap injection mold further comprises a panel, the panel is arranged on one side, deviating from the second template, of the first template, a plurality of pull rods are arranged on the panel, first through holes for the pull rods to pass through are formed in the first template, a drag hook is arranged at one end, close to the first mold core, of each pull rod, and the drag hook is correspondingly arranged with the glue injection hole.

Through adopting above-mentioned technical scheme, when the die sinking, the pull rod can be pulled out the runner in the injecting glue hole at the panel in-process of opening, has saved the step that the manual work was got rid of the runner from whole board key cap, has further improved production efficiency.

In some embodiments, the whole plate key cap injection mold further comprises a water gap plate, wherein the water gap plate is arranged on one side of the first template, which is away from the second template, and is provided with a first liquid inlet and a first liquid outlet; the first template is provided with a first cooling flow passage, and the first cooling flow passage is communicated with the first liquid inlet and the first liquid outlet.

By adopting the technical scheme, the first cooling flow channel can cool the glue solution in the hot nozzle, so that the glue solution temperature is prevented from being too high.

In some embodiments, the first mold plate includes a first mold frame and a nozzle insert within the first mold frame, the first cooling runner being disposed on the nozzle insert.

By adopting the technical scheme, the processing and forming of the first cooling flow passage are facilitated.

In some embodiments, the hot runner is a hot runner disposed on a side surface of the first mold core facing away from the second mold core.

By adopting the technical scheme, the hot runner processing and forming is facilitated.

In some embodiments, a second liquid inlet and a second liquid outlet are formed in the first die plate, a second cooling flow passage is formed in the first die core, and the second cooling flow passage is communicated with the second liquid inlet and the second liquid outlet; the second die plate is provided with a third liquid inlet and a third liquid outlet, the second die core is provided with a third cooling flow passage, and the third cooling flow passage is communicated with the third liquid inlet and the third liquid outlet.

By adopting the technical scheme, the glue solution in the forming cavity is ensured to be uniform in temperature, and the whole plate key cap is further ensured to have no chromatic aberration.

In some embodiments, the second liquid inlet, the second liquid outlet and the second cooling flow channel are a set of cooling circuits, and at least two sets of cooling circuits are disposed on the first mold plate and the first mold core.

Because the glue solution is injected into the forming cavity from the glue injection hole of the first die core, the temperature of the first die core is higher than that of the second die core. And at least two groups of cooling loops are arranged on the first template and the first die core, so that the cooling of the first die core can be quickened, and the temperature difference between the first die core and the second die core is reduced.

In some embodiments, the whole plate key cap injection mold comprises an inclined ejection mechanism and an ejector pin mechanism, wherein the inclined ejection mechanism comprises an inclined top plate, an inclined ejection and an inclined top plate reset spring, the inclined top plate is positioned in the second template and is positioned at one side of the second die core, which is away from the first die core, and the inclined ejection is arranged on the inclined top plate; the ejector pin mechanism comprises an ejector pin plate, an ejector pin and an ejector pin plate reset spring, the ejector pin plate is positioned on one side of the second template, which is away from the first template, the ejector pin is arranged on the ejector pin plate, and both the oblique ejector pin and the ejector pin can pass through the second die core; the inclined top plate reset spring and the ejector plate reset spring are positioned between the ejector plate and the second template.

Through adopting above-mentioned technical scheme, push up the knot position of whole board key cap through the oblique top earlier, the rethread thimble is ejecting whole board key cap, is favorable to the drawing of patterns of whole board key cap.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments or the conventional techniques will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to those of ordinary skill in the art.

Fig. 1 is a schematic structural diagram of an injection mold for a whole plate key cap according to an embodiment of the present utility model;

FIG. 2 is a top view of the full plate key cap injection mold of FIG. 1;

FIG. 3 is a cross-sectional view of the full plate key cap injection mold of FIG. 1;

FIG. 4 is an enlarged view of the entire plate key cap injection mold of FIG. 3 at A;

FIG. 5 is a schematic diagram of the cooling circuits in the injection mold of the whole plate key cap of FIG. 1;

FIG. 6 is a schematic diagram of a structure of each cooling circuit of FIG. 5 from another view;

fig. 7 is a schematic structural view of the full-plate key cap produced by the injection mold of the full-plate key cap in fig. 1.

The meaning of the labels in the figures is:

100. integral plate key cap injection mold; 10. a panel; 11. a wire slot; 12. a pull rod; 13. a drag hook; 14. a line clip; 20. a nozzle plate; 21. a first liquid inlet; 22. a first liquid outlet; 30. a first template; 31. a second liquid inlet; 32. a second liquid outlet; 33. a first cooling flow passage; 34. a glue injection hole; 35. a hot runner; 36. a nozzle insert; 37. a first mold frame; 38. a second cooling flow path; 39. a first mold core; 40. a second template; 41. a third liquid inlet; 42. a third liquid outlet; 43. an inclined ejection mechanism; 431. a pitched roof; 432. an inclined top plate; 4321. a sloped roof panel; 4322. a sloped roof bottom plate; 433. an inclined top plate reset spring; 45. a third cooling flow path; 46. a second mold frame; 47. a second mold core; 50. a receiving plate; 60. square iron; 61. a thimble mechanism; 611. a needle ejection plate; 6111. a thimble panel; 6112. a thimble bottom plate; 612. a needle plate reset spring; 613. a thimble; 70. a bottom plate; 71. a top rod hole; 80. a hot nozzle; 81. a heater wire connector; 82. a temperature sensing wire joint; 90. a junction box;

200. a whole plate key cap; 201. a key cap; 202. and a water gap frame.

Detailed Description

Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present utility model, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present utility model, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present utility model, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).

In the description of the embodiments of the present utility model, the orientation or positional relationship indicated by the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present utility model and for simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model.

In the description of the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

Currently, key cap molds on the market are generally divided into 5 sets of molds, specifically including 2 sets of hybrid key molds, 1 set of digital key molds, 1 set of standard key molds and 1 set of space key molds. The number of the molds required for producing a complete set of key caps is large, so that the production cost is high; in addition, 5 parts of key caps are needed to be placed on the keyboard manually during assembly, so that the labor intensity is high, and the production efficiency is low.

In order to solve the problem of high production cost caused by a large number of molds required for producing a complete set of key caps, through intensive research, an injection mold for the whole plate key caps is designed.

The whole plate key cap injection mold utilizes the glue solution heated by the hot nozzle to be shunted into the forming cavity through the hot runner and the plurality of glue injection holes so as to ensure that the glue solution is uniformly injected into the forming cavity, thereby realizing the injection molding of the whole plate key cap, reducing the number of the molds and lowering the cost; in addition, when the key cap is assembled, the whole plate key cap is only required to be placed on the keyboard, so that the labor intensity is reduced, and the production efficiency is improved. In addition, each hot nozzle is communicated with at least two glue injection holes through a hot runner, so that the number of the hot nozzles is reduced, and the manufacturing cost of the die is reduced.

It should be noted that the whole plate key cap comprises the 2 sets of hetero keys, 1 set of digital keys, 1 set of standard keys and 1 set of space keys, namely, 5 sets of keys are integrally formed on one set of die.

The embodiment of the utility model provides an integral key cap injection mold 100. Referring to fig. 1 to 7, the whole-plate key cap injection mold 100 includes a first mold plate 30 and a second mold plate 40, wherein a first mold core 39 and a second mold core 47 are respectively disposed on the first mold plate 30 and the second mold plate 40, and the first mold core 39 and the second mold core 47 enclose a molding cavity for molding the whole-plate key cap 200 when the first mold plate 30 and the second mold plate 40 are closed; the first mold plate 30 is provided with at least one hot nozzle 80, the first mold core 39 is provided with a hot runner 35 and a plurality of glue injection holes 34, the glue injection holes 34 are all communicated with the molding cavity, and each hot nozzle 80 is communicated with at least two glue injection holes 34 through the hot runner 35.

The hot nozzle 80 is a well-established product of the prior art, the construction and operation of which will not be described in detail herein. The heating nozzle 80 is provided with a heating wire connector 81 and a temperature sensing wire connector 82, and the heating wire connector 81 and the temperature sensing wire connector 82 are respectively connected with the junction box 90 through a heating wire and a temperature sensing wire; when the hot nozzle 80 works, the hot nozzle 80 is controlled by a heating wire to heat and melt injection molding materials, and the heating temperature of the hot nozzle 80 is controlled by a temperature sensing wire.

The hot runner 35 extends from the discharge hole of the hot nozzle 80 to the periphery, and the specific shape of the hot runner 35 is not limited, for example, the hot runner 35 may be a straight runner or a curved runner.

The glue injection hole 34 is communicated with the forming cavity and the hot runner 35, and the axis of the glue injection hole 34 is perpendicular to the first die core 39; the glue injection holes 34 are provided with a plurality of relatively small diameters, and all the glue injection holes 34 are uniformly distributed on the first die core 39. In this way, the lower end of the glue injection hole 34 can extend between two adjacent keycaps 201 and be positioned at the bottom of the keycaps 201, so that the cross section is not easy to be seen after the water gap frame 202 is separated from the keycaps 201, which is beneficial to improving the beauty.

The thickness of the first mold core 39 is relatively large, so that the high temperature at the discharge port of the hot nozzle 80 is not easily transferred into the molding cavity, which is beneficial to ensuring consistent color of each key cap 201 of the whole plate key cap 200.

The whole plate key cap injection mold 100 utilizes the hot nozzle 80 to shunt the heated glue solution into the molding cavity through the hot runner 35 and the plurality of glue injection holes 34 so as to ensure that the glue solution is uniformly injected into the molding cavity, thereby realizing the injection molding of the whole plate key cap 200, reducing the number of molds and lowering the cost; in addition, when the key cap is assembled, the whole plate key cap 200 is only required to be placed on the keyboard, so that the labor intensity is reduced, and the production efficiency is improved. In addition, each hot nozzle 80 is communicated with at least two glue injection holes 34 through the hot runner 35, so that the number of the hot nozzles 80 is reduced, and the manufacturing cost of the die is reduced.

Referring to fig. 1-3, in some embodiments, a thermal nozzle 80 is provided at a central position of the first die plate 30, and the thermal nozzle 80 communicates with all of the glue injection holes 34 through the thermal runner 35.

The hot nozzle 80 provided by the embodiment of the utility model is provided with one, so that the cost of the die is further reduced; at the same time, the hot nozzle 80 is located at the center of the first mold plate 30, so as to ensure that the hot nozzle 80 uniformly injects glue into each glue injection hole 34.

It will be appreciated that in other embodiments, two thermal nozzles 80 may be provided, where two thermal nozzles 80 are disposed on two sides of the center of the first die plate 30, and two thermal nozzles 80 are respectively connected to the glue injection holes 34 on two sides of the center of the first die plate 30 through the thermal runners 35. Of course, three or more hot nozzles 80 may be provided, but it is ensured that each hot nozzle 80 communicates with at least two glue injection holes 34 through the hot runner 35.

In some embodiments, the glue injection hole 34 is a tapered hole, and the hole diameter of the end of the glue injection hole 34 near the second mold core 47 is smaller than the hole diameter of the end of the tapered hole far from the second mold core 47.

By adopting the technical scheme, the pouring gate formed in the glue injection hole 34 is beneficial to being separated from the glue injection hole 34, so that the separation of the pouring gate and the whole plate key cap 200 is realized.

It will be appreciated that in other embodiments, the glue injection holes 34 may be cylindrical holes.

As shown in fig. 2, 3 and 4, in some embodiments, the whole-plate key cap injection mold 100 further includes a panel 10, the panel 10 is disposed on a side of the first mold plate 30 facing away from the second mold plate 40, a plurality of tie rods 12 are disposed on the panel 10, a first through hole through which the tie rods 12 pass is disposed on the first mold plate 30, a drag hook 13 is disposed at an end of the tie rods 12 near the first mold core 39, and the drag hook 13 is disposed corresponding to the glue injection hole 34.

The panel 10 is provided with a stepped hole, and one end of the pull rod 12 far away from the first die core 39 is provided with a head part in limit fit with the stepped surface of the stepped hole, so that the pull rod 12 can move together with the panel 10 during die opening.

The space around the draw hook 13 is communicated with the glue injection hole 34, after the pouring is completed, the glue injection hole 34 and the space around the draw hook 13 are filled with glue, after the glue is solidified to form a pouring gate, the upper end of the pouring gate is fixed on the draw hook 13, and when the draw hook 13 is opened along with the panel 10, the pouring gate is pulled out from the glue injection hole 34, so that the pouring gate and the whole panel key cap 200 are separated.

It will be appreciated that the retractor 13 may be a conical hook, a spherical hook, an L-shaped hook, a T-shaped hook, etc.

The junction box 90 is fixed on the side surface of the panel 10, and the side of the panel 10 facing away from the first template 30 is provided with a wire groove 11, and the shape of the wire groove 11 is not particularly limited; the heating wire and the temperature sensing wire are both positioned in the wire groove 11, so that the heating wire and the temperature sensing wire are not exposed, and the attractive appearance is improved. It will be appreciated that the junction box 90 may be secured to the top surface of the panel 10.

The panel 10 is also provided with a wire clip 14, and the wire clip 14 can prevent the heating wire and the temperature sensing wire from falling out of the wire slot 11. It is understood that the number of line cards 14 may be one or more than two.

Through adopting above-mentioned technical scheme, when the die sinking, pull rod 12 can utilize drag hook 13 to pull out the runner in the injecting glue hole 34 at panel 10 in-process opening, has saved the step that the manual work was got rid of the runner from whole board key cap 200, has further improved production efficiency.

As shown in fig. 1, 3, 5 and 6, in some embodiments, the whole plate key cap injection mold 100 further includes a nozzle plate 20, the nozzle plate 20 is disposed on a side of the first mold plate 30 facing away from the second mold plate 40, and a first liquid inlet 21 and a first liquid outlet 22 are disposed on the nozzle plate 20; the first template 30 is provided with a first cooling flow channel 33, and the first cooling flow channel 33 is communicated with the first liquid inlet 21 and the first liquid outlet 22.

Wherein, the nozzle plate 20 is positioned between the first template 30 and the face plate 10, and the nozzle plate 20 is provided with a second perforation for the pull rod 12 to pass through.

The first liquid inlet 21, the first liquid outlet 22 and the first cooling flow passage 33 constitute a set of cooling circuits. It will be appreciated that the set of cooling circuits may be provided in one or more than two sets.

By adopting the above technical scheme, the first cooling flow channel 33 can cool the glue solution in the hot nozzle 80, so as to avoid too high temperature of the glue solution.

It will be appreciated that in other embodiments, the first liquid inlet 21 and the first liquid outlet 22 may be provided on the first die plate 30.

In some embodiments, the first mold plate 30 includes a first mold frame 37 and a nozzle insert 36, the nozzle insert 36 being within the first mold frame 37, the first cooling runner 33 being disposed on the nozzle insert 36.

The first mold frame 37 and the nozzle insert 36 are mounted together in a split manner, with a first bore provided in the nozzle insert 36.

The hot nozzle 80 is fixed on the panel 10 by screws, and through holes through which the hot nozzle 80 passes are respectively formed in the nozzle plate 20 and the nozzle insert 36.

By adopting the above technical scheme, the processing and forming of the first cooling flow passage 33 are facilitated.

In some embodiments, the hot runner 35 is a hot runner disposed on a side of the first mold core 39 facing away from the second mold core 47.

By adopting the technical scheme, the hot runner 35 is beneficial to processing and forming.

It is understood that in other embodiments, the hot runner 35 may be a hot runner aperture provided on the first mold core 39.

Referring to fig. 1, 5 and 6, a second liquid inlet 31 and a second liquid outlet 32 are provided on the first mold plate 30, a second cooling flow channel 38 is provided on the first mold core 39, and the second cooling flow channel 38 is communicated with the second liquid inlet 31 and the second liquid outlet 32; the second die plate 40 is provided with a third liquid inlet 41 and a third liquid outlet 42, the second die core 47 is provided with a third cooling flow passage 45, and the third cooling flow passage 45 is communicated with the third liquid inlet 41 and the third liquid outlet 42.

The first mold plate 30 includes a first mold frame 37 and a nozzle insert 36, and the second liquid inlet 31 and the second liquid outlet 32 are provided on the first mold frame 37.

By adopting the technical scheme, the glue solution in the forming cavity is ensured to be uniform in temperature, and the whole plate key cap 200 is further ensured to have no chromatic aberration.

In some embodiments, the second liquid inlet 31, the second liquid outlet 32 and the second cooling channel 38 are a set of cooling circuits, and at least two sets of cooling circuits are disposed on the first mold plate 30 and the first mold core 39.

Preferably, two sets of cooling circuits are provided on the first mold plate 30 and the first mold core 39, and the two sets of cooling circuits are symmetrically arranged.

Since the glue solution is injected into the molding cavity from the glue injection hole 34 of the first mold core 39, the temperature of the first mold core 39 is higher than that of the second mold core 47. At least two sets of cooling circuits are arranged on the first template 30 and the first die core 39, so that the cooling of the first die core 39 can be quickened, and the temperature difference between the first die core 39 and the second die core 47 can be reduced.

It will be appreciated that in other embodiments, one or more than three sets of cooling circuits may be provided on the first die plate 30 and the first die core 39.

In some embodiments, the whole plate key cap injection mold 100 comprises an inclined ejection mechanism 43 and an ejector pin mechanism 61, wherein the inclined ejection mechanism 43 comprises an inclined top plate 432, an inclined ejection 431 and an inclined top plate return spring 433, the inclined top plate 432 is positioned in the second mold plate 40 and is positioned at one side of the second mold core 47 away from the first mold core 39, and the inclined ejection 431 is arranged on the inclined top plate 432; the thimble mechanism 61 comprises a thimble plate 611, a thimble 613 and a thimble plate reset spring 612, the thimble plate 611 is positioned at one side of the second template 40 away from the first template 30, the thimble 613 is arranged on the thimble plate 611, and both the inclined thimble 431 and the thimble 613 can pass through the second die core 47; the angled roof return spring 433 and the ejector plate return spring 612 are located between the ejector plate and the second mold plate 40.

Second die plate 40 includes a second die frame 46, and angled roof 432 includes angled roof panels 4321 and angled roof bottom panels 4322 within second die frame 46. The second mold core 47 is provided with an inclined top hole for the corresponding inclined top 431 to pass through, and the inclined top 431 has the function of ejecting the whole plate key cap 200 out of the buckling positions, wherein the buckling positions are the buckling positions of the key caps 201 connected to the keyboard. The third liquid inlet 41 and the third liquid outlet 42 are disposed on the second mold frame 46.

As shown in fig. 1 and 3, a bearing plate 50, square irons 60 and a bottom plate 70 are sequentially arranged below the second template 40, two square irons 60 are arranged at intervals in the horizontal direction, and the thimble plate 611 comprises a thimble panel 6111 and a thimble bottom plate 6112 between the two square irons 60. The ejector plate 611 is provided with a plurality of ejector pins 613, and the ejector pins 613 are used for ejecting the whole plate key cap 200 out of the second die core 47 after the inclined ejector 431 ejects the whole plate key cap 200 out of the buckling position. Wherein, the bottom plate 70 is provided with a plurality of top rod holes 71.

Through adopting above-mentioned technical scheme, push up whole board key cap 200's knot position through the oblique top 431 earlier, then push up whole board key cap 200 through thimble 613, be favorable to whole board key cap 200's drawing of patterns.

The embodiment of the utility model provides a die opening sequence of the whole plate key cap injection die 100: firstly, opening the mould of the panel 10 and the nozzle plate 20, then opening the mould of the nozzle plate 20 and the first mould plate 30, and then opening the mould of the first mould plate 30 and the second mould plate 40; finally, the inclined top plate and the ejector plate are ejected together, the buckling position of the whole plate key cap 200 is ejected by the inclined top 431, the ejector plate is continuously ejected after the inclined top plate is ejected in place, and the ejector 613 ejects the whole plate key cap 200, so that the demoulding of the whole plate key cap 200 is realized. The demolded integral key cap is shown in fig. 7, and the integral key cap includes a plurality of key caps 201 adapted to a keyboard and a gate frame 202 connecting all the key caps 201. Wherein the gate frame 202 communicates with the above-described injection hole 34.

The embodiment of the utility model provides a mold closing sequence of the whole plate key cap injection mold 100: the spring drives the ejector plate to reset with the inclined top plate, the first template 30 and the second template 40 are subjected to stress die assembly firstly, then the first template 30 and the nozzle plate 20 are subjected to die assembly, then the nozzle plate 20 and the panel 10 are subjected to die assembly, and finally the first template 30 and the second template 40 are subjected to die assembly.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.

Claims (10)

1. The integral plate key cap injection mold is characterized by comprising a first mold plate and a second mold plate, wherein a first mold core and a second mold core are respectively arranged on the first mold plate and the second mold plate, and the first mold core and the second mold core enclose a molding cavity for molding the integral plate key cap when the first mold plate and the second mold plate are assembled; the first die plate is provided with at least one hot nozzle, the first die core is provided with a hot runner and a plurality of glue injection holes, the glue injection holes are communicated with the forming cavity, and each hot nozzle is communicated with at least two glue injection holes through the hot runner.

2. The integral key cap injection mold of claim 1, wherein said hot nozzle is provided with one and is located at a center position of said first mold plate, said hot nozzle communicating all of said glue injection holes through said hot runner.

3. The integral key cap injection mold of claim 1, wherein the glue injection hole is a tapered hole, and an aperture of an end of the glue injection hole near the second mold core is smaller than an aperture of an end of the tapered hole far away from the second mold core.

4. The whole-plate key cap injection mold of claim 3, further comprising a panel, wherein the panel is arranged on one side of the first template, which is away from the second template, a plurality of pull rods are arranged on the panel, first through holes for the pull rods to pass through are formed in the first template, a drag hook is arranged at one end, close to the first mold core, of the pull rods, and the drag hook is correspondingly arranged with the glue injection hole.

5. The integral key cap injection mold of claim 1, further comprising a gate plate, wherein the gate plate is arranged on one side of the first template, which is away from the second template, and a first liquid inlet and a first liquid outlet are arranged on the gate plate; the first template is provided with a first cooling flow passage, and the first cooling flow passage is communicated with the first liquid inlet and the first liquid outlet.

6. The full plate key cap injection mold of claim 5, wherein the first mold plate comprises a first mold frame and a nozzle insert, the nozzle insert being within the first mold frame, the first cooling runner being disposed on the nozzle insert.

7. The full panel key cap injection mold of any one of claims 1 to 6, wherein the hot runner is a hot runner provided on a side of the first mold core facing away from the second mold core.

8. The integral key cap injection mold according to any one of claims 1 to 6, wherein a second liquid inlet and a second liquid outlet are formed in the first mold plate, and a second cooling flow passage is formed in the first mold core and is communicated with the second liquid inlet and the second liquid outlet; the second die plate is provided with a third liquid inlet and a third liquid outlet, the second die core is provided with a third cooling flow passage, and the third cooling flow passage is communicated with the third liquid inlet and the third liquid outlet.

9. The injection mold of the whole plate key cap according to claim 8, wherein the second liquid inlet, the second liquid outlet and the second cooling flow channel are a set of cooling loops, and at least two sets of cooling loops are arranged on the first mold plate and the first mold core.

10. The full panel key cap injection mold of any one of claims 1 to 6, wherein the full panel key cap injection mold comprises a tilt-top mechanism and a thimble mechanism, the tilt-top mechanism comprising a tilt-top plate, a tilt-top and a tilt-top plate return spring, the tilt-top plate being located in the second mold plate and on a side of the second mold core facing away from the first mold core, the tilt-top being disposed on the tilt-top plate; the ejector pin mechanism comprises an ejector pin plate, an ejector pin and an ejector pin plate reset spring, the ejector pin plate is positioned on one side of the second template, which is away from the first template, the ejector pin is arranged on the ejector pin plate, and both the oblique ejector pin and the ejector pin can pass through the second die core; the inclined top plate reset spring and the ejector plate reset spring are positioned between the ejector plate and the second template.