CN214056235U - Injection mold for producing electric appliance box - Google Patents

Abstract

The utility model relates to an injection mold technical field, concretely relates to injection mold for producing electrical apparatus box, the lower bolster configuration is in the die holder top, lower mould core nestification is in the upper portion of lower bolster, the lower bolster up end is equipped with the cope match-plate pattern, the lower part nestification of cope match-plate pattern has go up the mold core, go up the mold core with the mold core is normal phase position, and the inside die cavity that forms production electrical apparatus box down, the up end of upper bolster is equipped with the mouth of moulding plastics, the mouth of moulding plastics through moulding plastics the access connection in the die cavity, be equipped with at least one on the cope match-plate pattern exhaust passage, exhaust passage's one end communicate in the die cavity, its other end extends to the side of cope match-plate pattern. The injection molding slurry passes through the injection molding channel die cavity from the injection molding port, and air bubbles in the slurry can be discharged from the exhaust channel in the molding process, so that the air bubbles are prevented from remaining in a product, and the quality of the product is further influenced.

Description

Injection mold for producing electric appliance box

Technical Field

The utility model relates to an injection mold technical field, concretely relates to injection mold for producing electrical apparatus box.

Background

Injection molding is an important molding processing method and is widely applied to the household appliance industry, the automobile industry, the mechanical industry and the like, and the produced parts have the characteristics of high precision, high complexity, high consistency, high production rate and low consumption, and have great market requirements and good development prospects. The electrical apparatus lid is the comparatively complicated plastic product of a structure, and at present, adopt relevant mould to produce in the enterprise and mould plastics, the thick liquids of moulding plastics are in the mould can't discharge the bubble, therefore influence the performance of product, consequently, the utility model discloses an injection mold for producing electrical apparatus box.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem in this application, the utility model provides an injection mold for producing electrical apparatus box.

The utility model provides a following technical scheme: an injection mold for producing an electric appliance box comprises an upper mold base, an upper template, an upper mold core, a lower mold base, a lower template and a lower mold core; the lower bolster configuration is in the die holder top, lower mold core nestification is in the upper portion of lower bolster, the lower bolster up end is equipped with the cope match-plate pattern, the lower part nestification of cope match-plate pattern has the cope match-plate pattern, the cope match-plate pattern with the die core is normal phase position and the inside die cavity that forms the production electrical apparatus box down, the up end of cope match-plate pattern is equipped with the mouth of moulding plastics, the mouth of moulding plastics through moulding plastics the passageway connect in the die cavity, be equipped with at least one on the cope match-plate pattern exhaust passage, exhaust passage's one end communicate in the die cavity, its other end extends to the side of cope match-plate pattern.

Preferably, still include jack-up mechanism, jack-up mechanism includes main ejector pin, main roof, first ejector pin and second ejector pin, the main roof sets up the die holder with between the lower bolster, the main ejector pin sets up the lower terminal surface of main roof, at least one first ejector pin and at least one the second ejector pin sets up the main roof with between the die cavity, first ejector pin lower extreme is fixed the up end of main roof, its upper end extends to the lower terminal surface of die cavity and withstands around the die cavity, the lower extreme of second ejector pin is fixed on the main roof, its upper end extends to the lower terminal surface of die cavity and withstands the middle part of die cavity.

Preferably, a support is arranged between the lower die holder and the lower die plate, a movable space is formed between the lower die holder and the lower die plate through the support, and the main top plate is arranged in the movable space.

Preferably, the middle part of the upper die holder is provided with a fixed sleeve positioned right above the injection molding port.

Preferably, the upper template and the lower template are locked by a locking component.

Preferably, the locking part includes ear seat, bolt, nut and pressure spring, the cope match-plate pattern with be equipped with the symmetry on the lower bolster the ear seat, the bolt run through in proper order in the ear seat, the nut configuration is in on the bolt, the bolt with the cope match-plate pattern be equipped with between the ear seat pressure spring.

Preferably, cooling mechanisms are arranged on the upper template and the lower template.

Preferably, the cooling mechanism includes a cooling pipeline, a cooling water outlet and a cooling water inlet, one end of the cooling pipeline is communicated with the cooling water inlet, and the other end of the cooling pipeline is communicated with the cooling water outlet.

The utility model relates to an injection mold for producing electrical apparatus box, its beneficial effect lies in: the injection molding slurry passes through the injection molding channel die cavity from the injection molding opening, and air bubbles in the slurry are discharged from the exhaust channel in the molding process, so that the air bubbles are prevented from remaining in a product, and the quality of the product is prevented from being influenced; utilize locking unit to lock cope match-plate pattern and lower bolster, the spring provides decurrent extrusion force to the cope match-plate pattern, and then improves the leakproofness of die joint between cope match-plate pattern and the lower bolster.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of the device of the present invention;

FIG. 2 is a schematic view of a cooling mechanism in the apparatus of the present invention;

FIG. 3 is an enlarged partial schematic view at A of FIG. 1;

labeled as: 1. an upper die holder; 2. mounting a template; 3. an upper mold core; 4. a lower die holder; 5. a lower template; 6. a lower mold core; 7. a mold cavity; 8. an injection molding port; 9. an exhaust passage; 10. fixing a sleeve; 11. a jack-up mechanism; 111. a main ejector rod; 112. a main top plate; 113. a first ejector rod; 114. a second ejector rod; 12. a locking member; 121. an ear mount; 122. a bolt; 123. a nut; 124. a compression spring; 13. a cooling mechanism; 131. a cooling duct; 132. a cooling water outlet; 133. a cooling water inlet; 14. injection molding a channel; 15. a support; 16. an activity space.

Detailed Description

The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, etc. used in the present invention is only relative to the mutual positional relationship of the components of the present invention in the drawings.

The following describes preferred embodiments of the present invention in detail with reference to the accompanying drawings.

As shown in fig. 1 to 2, an injection mold for producing an electrical appliance box includes an upper mold base 1, an upper mold plate 2, an upper mold core 3, a lower mold base 4, a lower mold plate 5, and a lower mold core 6; the lower die plate 5 is arranged above the lower die base 4, the lower die core 6 is nested on the upper portion of the lower die plate 5, the upper end face of the lower die plate 5 is provided with the upper die plate 2, the lower portion of the upper die plate 2 is nested with the upper die core 3, the upper die core 3 and the lower die core 6 are in positive opposite positions and internally form a die cavity 7 for producing an electric appliance box, the upper end face of the upper die base 1 is provided with an injection molding port 8, the injection molding port 8 is connected to the die cavity 7 through an injection molding channel 14, the upper die plate 2 is provided with at least one exhaust channel 9, one end of the exhaust channel 9 is communicated with the die cavity 7, and the other end of the exhaust channel extends to the side face of the upper die plate 2. The injection molding slurry is injected into the mold cavity 7 from the injection port 8 through the injection passage 14, and air bubbles in the slurry are discharged from the air discharge passage 9 during the molding process, so that the air bubbles are prevented from remaining in the product, and the quality of the product is prevented from being affected. The middle part of the upper die holder 1 is provided with a fixed sleeve 10 which is positioned right above the injection molding opening 8.

The utility model discloses the device still includes jack-up mechanism 11, can deviate from the product from the mould through jack-up mechanism 11. The jacking mechanism 11 comprises a main ejector rod 111, a main ejector plate 112, a first ejector rod 113 and a second ejector rod 114, the main ejector plate 112 is arranged between the lower die holder 4 and the lower die plate 5, the main ejector rod 111 is arranged on the lower end face of the main ejector plate 112, at least one first ejector rod 111 and at least one second ejector rod 114 are arranged between the main ejector plate 112 and the die cavity 7, the lower end of the first ejector rod 111 is fixed on the upper end face of the main ejector plate 112, the upper end of the first ejector rod extends to the lower end face of the die cavity 7 and props against the periphery of the die cavity 7, the lower end of the second ejector rod 114 is fixed on the main ejector plate 112, and the upper end of the second ejector rod extends to the lower end face of the die cavity 7 and props against the middle part of the die cavity 7. A support 15 is arranged between the lower die holder 4 and the lower die plate 5, a movable space 16 is formed between the lower die holder 4 and the lower die plate 5 through the support 15, and the main top plate 112 is arranged in the movable space 16. Promote main ejector pin 111 rebound, main roof 112 rebound in activity space 16 promotes first ejector pin 113 and second ejector pin 114 rebound to ejecting electrical apparatus box product, first ejector pin 113 sets up around die cavity 7, and second ejector pin 114 sets up the middle part at die cavity 7, can make the even atress of electrical apparatus box product like this, improves the qualification rate of product in the drawing of patterns process.

The upper template 2 and the lower template 5 are locked by a locking component 12. Locking part 12 includes ear seat 121, bolt 122, nut 123 and pressure spring 124, cope match-plate pattern 2 with be equipped with the symmetry on the lower bolster 5 ear seat 121, bolt 122 run through in proper order in ear seat 121, nut 123 disposes on the bolt 122, bolt 122 with cope match-plate pattern 2 be equipped with between the ear seat 121 pressure spring 124. Utilize locking part 12 to lock cope match-plate pattern 2 and lower bolster 5, spring 124 provides decurrent extrusion force to cope match-plate pattern 2, and then improves the leakproofness of the die joint between cope match-plate pattern 2 and the lower bolster 5.

In addition, cooling mechanisms 13 are arranged on the upper template 2 and the lower template 5. The cooling mechanism 13 includes a cooling pipe 131, a cooling water outlet 132 and a cooling water inlet 133, wherein one end of the cooling pipe 131 is communicated with the cooling water inlet 133, and the other end is communicated with the cooling water outlet 132. The cooling ducts 131 in the upper platen 2 surround the upper core 3 and thus cool the mold cavity 7 from above. The cooling duct 131 of the lower plate 5 surrounds the lower core 6, thereby cooling the cavity 7 from below.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. An injection mold for producing an electric appliance box is characterized by comprising an upper mold base, an upper template, an upper mold core, a lower mold base, a lower template and a lower mold core; the lower bolster configuration is in the die holder top, lower mold core nestification is in the upper portion of lower bolster, the lower bolster up end is equipped with the cope match-plate pattern, the lower part nestification of cope match-plate pattern has the cope match-plate pattern, the cope match-plate pattern with the die core is normal phase position and the inside die cavity that forms the production electrical apparatus box down, the up end of cope match-plate pattern is equipped with the mouth of moulding plastics, the mouth of moulding plastics through moulding plastics the passageway connect in the die cavity, be equipped with at least one exhaust passage on the cope match-plate pattern, exhaust passage's one end communicate in the die cavity, its other end extends to the side of cope match-plate pattern.

2. The injection mold for producing the electrical box as claimed in claim 1, further comprising a jacking mechanism, wherein the jacking mechanism comprises a main ejector rod, a main top plate, a first ejector rod and a second ejector rod, the main top plate is arranged between the lower die base and the lower die plate, the main ejector rod is arranged on the lower end surface of the main top plate, at least one first ejector rod and at least one second ejector rod are arranged between the main top plate and the die cavity, the lower end of the first ejector rod is fixed on the upper end surface of the main top plate, the upper end of the first ejector rod extends to the lower end surface of the die cavity and props against the periphery of the die cavity, the lower end of the second ejector rod is fixed on the main top plate, and the upper end of the second ejector rod extends to the lower end surface of the die cavity and props against the middle part of the die cavity.

3. The injection mold for producing the electrical box as claimed in claim 2, wherein a support is arranged between the lower die holder and the lower die plate, a movable space is formed between the lower die holder and the lower die plate through the support, and the main top plate is arranged in the movable space.

4. The injection mold for producing an electrical box as claimed in claim 1, wherein the middle part of the upper mold base is provided with a fixing sleeve located right above the injection port.

5. The injection mold for producing the electrical box as claimed in claim 1, wherein the upper mold plate and the lower mold plate are locked together by a locking member.

6. The injection mold for producing the electrical box according to claim 5, wherein the locking component comprises an ear seat, a bolt, a nut and a compression spring, the upper mold plate and the lower mold plate are provided with the ear seats which are symmetrical, the bolt sequentially penetrates through the ear seats, the nut is arranged on the bolt, and the compression spring is arranged between the bolt and the ear seat of the upper mold plate.

7. The injection mold for producing the electrical box as claimed in any one of claims 1 to 6, wherein the upper mold plate and the lower mold plate are provided with cooling mechanisms.

8. The injection mold for producing the electrical box as claimed in claim 7, wherein the cooling mechanism comprises a cooling pipe, a cooling water outlet and a cooling water inlet, one end of the cooling pipe is communicated with the cooling water inlet, and the other end of the cooling pipe is communicated with the cooling water outlet.

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