Injection mold

Abstract

The utility model relates to a tool mold, in particular to an injection mold, which comprises a base, the lower mold is mounted on the base, and a lower mold core is mounted in the lower mold; the upper mold is connected with the base through an elastic piece, the upper mold is arranged in the top direction of the lower mold, and an upper mold core is installed in the upper mold; the injection molding mechanism is used for injection molding; the lower mold core is detachably connected with the lower mold through a supporting piece clamped on the bottom side; the upper mold core comprises a cover body and a pressing plate, the cover body is fixedly connected with the upper mold, the pressing plate is connected to the bottom of the cover body through a fastener, so that the position of the pressing plate relative to the cover body can be adjusted by rotating the fastener, and the bottom surface of the pressing plate is used for being in contact with the bottom surface of at least part of the plastic part and the bottom surfaces of all the glass sheets. Through the arrangement of the height-adjustable upper die core and the replaceable lower die core, the die can be matched with production operation of workpieces of various sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tooling die, especially relates to a injection mold. BACKGROUND

[0002] The description in this section is provided only for purposes of summarizing what the present disclosure discloses and not for purposes of limiting the present disclosure to what is described in this section.

[0003] The injection mold is a kind of tooling die, for limiting workpiece to assist production and the forming of workpiece. Among them, the injection mold is mainly through the cavity formed between upper die and lower die, and the corresponding material is poured into cavity, and solidifies after material cooling, to complete the forming of product.

[0004] A kind of workpiece, including plastic part and glass sheet composition, but due to different specifications, the thickness of glass sheet in it is not the same, in some cases, the thickness of plastic piece also needs to be adjusted, therefore, when the above structure size needs to be adjusted, only corresponding injection mold is replaced to complete, the cost is higher, and the tolerance of mold itself exists, affect the uniformity of the final forming of workpiece.

[0005] It should be noted that the above introduction to the technical background is only to facilitate the clear and complete description of the technical scheme of the present utility model, and to facilitate the understanding of those skilled in the art. The above technical scheme cannot be considered as known to those skilled in the art just because it is described in the background section of the present utility model. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a kind of injection mold, can be matched with the production operation of multiple sizes of workpiece by the setting of the height-adjustable upper die and the replaceable lower die.

[0007] In order to achieve the above purpose, the utility model discloses a kind of injection mold, wherein the workpiece includes plastic part and glass sheet, the plastic part has mounting hole, the glass sheet is installed in the installation, the injection mold includes:

[0008] Base;

[0009] Lower die, the lower die is installed on the base, lower die is installed in the lower die, the top surface of the lower die has lower edge for contacting the bottom surface of the plastic part, and the lower edge middle position is used to contact the lower supporting column of the bottom surface of the glass sheet;

[0010] An upper mold connected with the base through elastic members, and arranged in the top direction of the lower mold, and an upper mold core installed in the upper mold, and the vertical position of the upper mold core corresponding to the lower mold core, and the bottom surface of the upper mold core having an upper edge part for contacting the top surface of the plastic part, and the upper edge part in the middle position for contacting the upper supporting table of the glass sheet;

[0011] An injection mechanism connected with the mold cavity between the upper mold core and the lower mold core;

[0012] The lower mold core is detachably connected with the lower mold through the supporting member clamped on the bottom side;

[0013] The upper mold core comprises a cover body and a pressing plate, the cover body is fixedly connected with the upper mold, the pressing plate is connected with the bottom of the cover body through fasteners, so that the position of the pressing plate relative to the cover body can be adjusted by rotating the fasteners, and the bottom surface of the pressing plate is used for contacting the bottom surface of at least part of the plastic part and the bottom surface of the whole glass sheet.

[0014] As a further description of the above technical solution, the bottom of the lower mold core has a groove, the top of the supporting member has an end head matched with the shape of the groove, and the end head is used for clamping in the groove.

[0015] As a further description of the above technical solution, the groove is arranged in a T shape, and the groove is arranged through the bottom of the lower mold core in a parallel direction.

[0016] As a further description of the above technical solution, the replaceable lower supporting table is installed in the middle position of the lower mold core, and the top surface of the lower supporting table is used for contacting the bottom surface of the glass sheet.

[0017] As a further description of the above technical solution, the middle position of the pressing plate has a through hole, the upper supporting table is movably installed in the through hole in the vertical direction, and the bottom surface of the upper supporting table is used for contacting the top surface of the glass sheet.

[0018] As a further description of the above technical solution, the top of the pressing plate retreats a stepped part with a larger diameter, the top of the upper supporting table has a ring-shaped part matched with the stepped part, the top surface of the ring-shaped part is used for abutting against the bottom surface of the stepped part, so that the pressing plate limits the vertical displacement of the upper supporting table.

[0019] As a further description of the above technical solution, the upper supporting table is arranged in an elastic rubber material.

[0020] Through the above technical solution, the beneficial effects of the present application are as follows:

[0021] The utility model discloses a kind of injection mould, the setting of height-adjustable upper mould core and replaceable lower mould core, so that on the basis of not replacing the upper mould and lower mould of whole injection mould, the adjustment to cavity size is realized, to match different size workpiece, so that the workpiece of different thickness, height glass sheet can be easily and efficiently produced in same equipment, error is less.

[0022] To further understand the features and technical contents of the utility model, please refer to the following detailed description and drawings of the utility model, however the provided drawings are only used for providing reference and description, and not used to limit the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0023] To more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the following will briefly introduce the drawings needed to be used in embodiment or prior art description, obviously, the drawings in the following description are only some embodiments in the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0024] Figure 1 It is a split schematic view of injection mould provided by the embodiment of the present application;

[0025] Figure 2 It is an internal schematic view of injection mould provided by the embodiment of the present application;

[0026] Figure 3 It is an overall schematic view of injection mould provided by the embodiment of the present application;

[0027] Figure 4 It is a workpiece schematic view of injection mould provided by the embodiment of the present application;

[0028] Figure 5 It is a lower mould core schematic view of injection mould provided by the embodiment of the present application;

[0029] Figure 6 It is an upper mould core schematic view of injection mould provided by the embodiment of the present application;

[0030] In the drawing:

[0031] 100, plastic part; 200, glass sheet;

[0032] 1, base; 11, elastic member;

[0033] 2, lower mould; 21, lower mould core; 211, lower rest table; 22, support member;

[0034] 3, upper mold; 31, upper mold core; 311, cover; 312, upper support; 313, pressing plate;

[0035] 4, injection mechanism. DETAILED DESCRIPTION

[0036] In order to make the person skilled in the art better understand the technical solutions in the specification, the technical solutions in the specification will be described clearly and completely in the following with reference to the drawings in the specification. Obviously, the described embodiments are only part of the embodiments of the specification, not all. Based on the embodiments in the specification, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the specification.

[0037] The following is to illustrate the embodiments of the utility model by specific embodiments, and the person skilled in the art can understand the advantages and effects of the utility model from the disclosed content of the specification. The utility model can be implemented or applied by other different specific embodiments, and each detail in the specification can be modified and changed based on different viewpoints and applications without departing from the concept of the utility model. In addition, the drawings of the utility model are only simple schematic illustrations, not the depiction of actual size, and the prior declaration is made. The following embodiments will further illustrate the related technical content of the utility model in detail, but the disclosed content is not used to limit the protection scope of the utility model.

[0038] It should be understood that although the terms "first", "second", "third" and the like may be used herein to describe various components or signals, these components or signals should not be limited by these terms. These terms are mainly used to distinguish one component from another component, or one signal from another signal. In addition, the term "or" used herein may include any one or more combinations of the associated listed items.

[0039] Please refer to Figures 1-6 , an injection mold of the embodiment, wherein the workpiece comprises a plastic part 100 and a glass sheet 200, the plastic part 100 has a mounting hole, and the glass sheet 200 is mounted in the mounting hole, wherein the injection mold comprises:

[0040] The base 1;

[0041] The lower mold 2 is mounted on the base 1, the lower mold core 21 is mounted in the lower mold 2, the top surface of the lower mold core 21 has a lower edge part for contacting the bottom surface of the plastic part 100, and the lower support 211 for contacting the bottom surface of the glass sheet 200 is arranged in the middle position of the lower edge part;

[0042] The upper mold 3 is connected with the base 1 through the elastic member 11, and is arranged at the top of the lower mold 2. The upper mold 3 is provided with an upper mold core 31. The position of the upper mold core 31 in the vertical direction corresponds to the lower mold core 21. The bottom surface of the upper mold core 31 is provided with an upper edge portion for contacting the top surface of the plastic part 100, and an upper supporting table 312 in the middle of the upper edge portion for contacting the top surface of the glass sheet 200.

[0043] The injection molding mechanism 4 is connected with the mold cavity.

[0044] The lower mold core 21 is detachably connected with the lower mold 2 through the support member 22 arranged on the bottom side.

[0045] The upper mold core 21 comprises a cover body 311 and a pressing plate 312. The cover body 311 is fixedly connected with the upper mold 3. The pressing plate 312 is connected with the bottom of the cover body 311 through a fastener. The position of the pressing plate 312 relative to the cover body 311 can be adjusted by rotating the fastener. The bottom surface of the pressing plate 312 is used for contacting the bottom surface of at least part of the plastic part 100 and the bottom surface of the entire glass sheet 200.

[0046] Through the above structure, in use, only the thickness of the corresponding plastic part 100 and the thickness of the glass sheet 200 need to be determined first. Then, the lower mold core 21 of the corresponding size is selected and replaced and mounted on the lower mold 2. Then, the position between the cover body 311 and the pressing plate 312 is adjusted by rotating the fastener, so as to match the surface difference between the top position of the glass sheet 200 and the plastic part 100. Thus, the mold preparation link is completed.

[0047] In the injection molding link, the upper mold 3 is first pressed downward. The elastic member 11 is compressed, and the lower mold core 21 and the upper mold core 31 are combined to form a relatively closed mold cavity. Then, the injection molding mechanism 4 is started to pour liquid plastic into the injection hole at the top of the upper mold 3. The liquid plastic flows into the mold cavity and is cooled to form a workpiece. After completion, the upper mold 3 is separated from the lower mold 2, and the workpiece is pushed out, and the preparation is completed.

[0048] It is worth noting that, in the above process, because the height-adjustable upper mold core 31 and the replaceable lower mold core 21 are arranged, the size of the mold cavity can be adjusted without replacing the upper mold 3 and the lower mold 2 of the entire injection mold, so as to match workpieces of different sizes. Workpieces of different thicknesses and heights of the glass sheet 200 can be easily and efficiently produced in the same equipment. Specifically, the variables in the workpiece are mainly the height difference of the top surface between the plastic part 100 and the glass sheet 200, and the height difference of the bottom surface between the plastic part 100 and the glass sheet 200. Therefore, the mold in the embodiment can flexibly adjust the above two height differences, and match workpieces of different sizes or heights of the glass sheet 200.

[0049] Further, the bottom of the lower die core 2 has a groove, and the top of the support 22 has an end head matching the shape of the groove, which is used to be clamped in the groove. As can be seen from Figure 5 , the groove is provided in the form of T, and is provided through the bottom of the lower die core 31 in parallel direction. When the lower die core 21 needs to be replaced, only after the shell of the lower die 2 is taken off, the groove of the lower die core 21 is made to slide relative to the T-shaped end head of the support 22 in horizontal direction, so that the two are separated, which is simple and stable after re-fixing.

[0050] Further, as can be seen from Figure 5 , the middle position of the lower die core 21 is provided with a replaceable lower table 211, and the top surface of the lower table 211 is used to contact the bottom surface of the glass sheet 200. Specifically, in the embodiment, the lower table 211 is designed in a detachable manner, and only the lower table 211 needs to be replaced to match the glass sheet 200 of different thickness or height without replacing the lower die core 21.

[0051] Further, as shown in Figure 6 , the middle position of the pressing plate 313 has a through hole, and the upper table 312 is movably installed in the through hole in vertical direction, and the bottom surface of the upper table 312 is used to contact the top surface of the glass sheet 200. Specifically, the top of the pressing plate 313 is provided with a stepped portion with a larger diameter, and the top of the upper table 312 has a ring-shaped portion matching the stepped portion, and the top surface of the ring-shaped portion is used to abut against the bottom surface of the stepped portion, so that the pressing plate 313 limits the displacement of the upper table 312 in vertical direction. Specifically, in the use process of the embodiment, the upper table 312 is placed in the through hole of the pressing plate 313 as an independent piece, and can freely move relative to the pressing plate 313 in vertical direction, and the height position of the upper table 312 relative to the pressing plate 313 is freely adjusted according to the height of the glass sheet 200, so as to match the glass sheet 200 of different thickness or height by the same upper die core 31.

[0052] Further, the upper table 312 is provided in the form of elastic rubber material, which has better heat resistance, so as to avoid deformation when contacting the high-temperature liquid plastic, and has strong friction, so as to avoid displacement relative to the pressing plate 313 during the cooling process.

[0053] The above disclosed content is only the preferred feasible embodiment of the utility model, and does not limit the patent application range of the utility model, so that any equivalent technical change made by applying the content of the utility model specification and drawings is included in the patent application range of the utility model.

[0054] Various embodiments in the present specification are described in progressive manner, and the same or similar parts between various embodiments can refer to each other, and each embodiment focuses on the difference from other embodiments.

[0055] Although the present application is described through embodiments, those skilled in the art know that there are many modifications and variations of the present application without departing from the spirit of the present application, and it is intended that the appended embodiments include these modifications and variations without departing from the present application.

Claims

1. An injection mold for molding a workpiece, wherein, The workpiece includes a plastic part and a glass sheet, the plastic part has a mounting hole, the glass sheet is mounted in the mounting hole, characterized in that the injection mold comprises: a base; a lower mold mounted on the base, a lower mold core is mounted in the lower mold, a top surface of the lower mold core has a lower edge part for contacting a bottom surface of the plastic part, and a lower supporting column in a middle position of the lower edge part is used for contacting a bottom surface of the glass sheet; an upper mold connected to the base through an elastic member, and the upper mold is arranged in a top direction of the lower mold, an upper mold core is mounted in the upper mold, a position of the upper mold core in a vertical direction corresponds to the lower mold core, a bottom surface of the upper mold core has an upper edge part for contacting a top surface of the plastic part, and an upper supporting column in a middle position of the upper edge part is used for contacting a top surface of the glass sheet; an injection mechanism connected to a mold cavity formed between the upper mold core and the lower mold core; the lower mold core is detachably connected to the lower mold through a support member clamped on a bottom side of the lower mold core; the upper mold core includes a cover body and a pressing plate, the cover body is fixedly connected to the upper mold, the pressing plate is connected to a bottom of the cover body through a fastener, so that the position of the pressing plate relative to the cover body can be adjusted by rotating the fastener, and a bottom surface of the pressing plate is used for contacting at least part of the bottom surface of the plastic part and the entire bottom surface of the glass sheet.

2. An injection mold according to claim 1, characterized in that: a bottom of the lower mold core has a groove, a top of the support member has an end head matched with a shape of the groove, and the end head is used for clamping in the groove.

3. An injection mold according to claim 2, characterized in that: the groove is arranged in a T shape, and the groove is arranged through the bottom of the lower mold core in a parallel direction.

4. An injection mold according to claim 2, characterized in that: a replaceable lower supporting column is mounted in a middle position of the lower mold core, and a top surface of the lower supporting column is used for contacting the bottom surface of the glass sheet.

5. An injection mold according to claim 1, characterized in that: a middle position of the pressing plate has a through hole, the upper supporting column is movably mounted in the through hole in a vertical direction, and a bottom surface of the upper supporting column is used for contacting the top surface of the glass sheet.

6. An injection mold according to claim 5, characterized in that: a top of the pressing plate retreats a stepped part with a larger diameter, a top of the upper supporting column has a ring-shaped part matched with the stepped part, a top surface of the ring-shaped part is used for abutting against a bottom surface of the stepped part, so that the pressing plate limits displacement of the upper supporting column in the vertical direction.

7. An injection mold according to claim 5, characterized in that: the upper supporting column is arranged in an elastic rubber material.

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