Die-casting die for producing explosion-proof emergency lamp shell

Abstract

The utility model relates to the technical field of dies, in particular to a die-casting die for producing an explosion-proof emergency lamp shell, which comprises an upper die plate, a lower die plate, a die foot, an upper die core and a lower die core which are sequentially arranged, two core-pulling mechanisms are arranged in one surface, facing the upper die core, of the lower die plate, and an inclined core-pulling groove is obliquely formed in one surface, facing the die foot, of the lower die plate. A lateral core-pulling mechanism is arranged in the inclined core-pulling groove, a first cavity is formed in the upper mold core, a second cavity connected with the first cavity is formed in the long side of the first cavity, a third cavity is formed in the lower mold core, a fourth cavity connected with the third cavity is formed in the long side of the third cavity, the first cavity corresponds to the third cavity, and the second cavity corresponds to the fourth cavity; the first cavity, the second cavity, the third cavity and the fourth cavity are matched to form a shell die-casting cavity. The die-casting die has the advantage that the size of an explosion-proof emergency lamp shell can be effectively reduced through the die-casting die.

Description

TECHNICAL FIELD

[0001] The utility model relates to die technical field, concretely relates to a die -casting die for producing explosion -proof emergency lamp shell. BACKGROUND

[0002] The explosion -proof emergency lamp is set when normal lighting power is cut off when the safe accident, explosion or fire occurs, guides the trapped personnel evacuation or carries out the fire extinguishing rescue action, and the application number 201310362223.8 invention patent discloses a kind of LED explosion -proof fire emergency lamp, including the shell with opening, cover is set in the opening of shell face cover, transparent piece is installed in the step portion of face cover, and there is gap between the periphery of transparent piece and the side wall of step portion, and gap is around the periphery of transparent piece, and gap is filled with sealant, to make transparent piece and face cover and shell form an explosion -proof cavity, explosion -proof cavity is installed with light guide plate, multiple LED light bar, indication sign film, indicator light plate, drive board, battery, terminal block, resulting in shell is thick, increase the volume of shell, to cause production cost increase, for this design a kind of explosion -proof emergency lamp of drive board, battery, terminal block and light guide plate, LED light bar, indicator light plate are installed separately, light source components such as light guide plate, LED light bar, indicator light plate are set in a explosion -proof cavity, power components such as drive board, battery, terminal block are set in a explosion -proof cavity, shell is set into by light source seat and power seat, to reduce shell volume, and wiring cavity is set between light source seat and power seat for connecting the wire installation of light source component, power component, to reduce shell volume, for this need design a kind of die -casting die for upgrading version explosion -proof emergency lamp shell. SUMMARY

[0003] The utility model solves the technical problem in view of the above prior art's insufficient, provide a kind of die -casting die for producing explosion -proof emergency lamp shell, by the die -casting die of this, explosion -proof emergency lamp shell can be effectively reduced in volume.

[0004] To achieve the above object, the utility model provides a die -casting mould for producing explosion -proof emergency lamp shell, including upper mould plate, lower mould plate and mould foot which set gradually, be equipped with upper mould groove in the upper mould plate, be equipped with upper mould core in the upper mould groove, be equipped with lower mould groove in the lower mould plate, be equipped with lower mould core in the lower mould groove, the upper mould core is correspondingly set up and forms shell die -casting cavity with lower mould core, two core -pulling mechanisms are equipped in the one side of lower mould plate towards upper mould core, two core -pulling mechanisms are distributed in the both sides of lower mould core, the one side of lower mould plate towards mould foot is equipped with obliquely arranged inclined core -pulling groove, be equipped with lateral core -pulling mechanism in the inclined core -pulling groove, the lateral core -pulling mechanism is distributed in the third side of lower mould core, the lateral core -pulling mechanism includes two first pressure bars fixed in the inner wall of inclined core -pulling groove both sides, simultaneously with two first pressure bar sliding connection's first sliding block, the first driving piece of driving first sliding block, be equipped with first core -pulling on the first sliding block, the lower mould groove bottom is equipped with the slot mouth that communicates with inclined core -pulling groove, the first core -pulling extends to lower mould core through slot mouth, be equipped with as main part, the first cavity of rectangular of upper mould core, the first cavity is located in the center of upper mould core, the long side of first cavity is equipped with the second cavity that is connected with it, the both sides of second cavity are equipped with core -pulling groove, two core -pulling grooves are symmetrically arranged and are parallel with the long side of first cavity, the core -pulling groove cooperates core -pulling mechanism and is used to demould product, be equipped with as main part, the third cavity of rectangular of lower mould core, the third cavity is located in the center of lower mould core, the long side of third cavity is equipped with the fourth cavity that is connected with it, the inside of lower mould core is equipped with the core -pulling cavity for first core -pulling, the core -pulling cavity is obliquely arranged and extends to the bottom surface of third cavity outside lower mould core and forms the tubular chamber of obliquely arranged, be equipped with the inclined groove of containing tubular chamber in the first cavity, the first cavity is correspondingly arranged with third cavity, second cavity is correspondingly arranged with fourth cavity, and the first cavity, second cavity, third cavity and fourth cavity cooperate to form the shell die -casting cavity.

[0005] The utility model has the characteristics that: two cavities are arranged in the upper mould core and the lower mould core respectively, the first cavity and the third cavity are used to form the light source seat, the second cavity and the fourth cavity are used to form the power supply seat, and the core -pulling cavity is arranged in the lower mould core to form the wiring cavity connecting the light source seat and the power supply seat, the shell obtained by the shell die -casting cavity with the above structure can effectively reduce the volume of the emergency lamp shell, and the lateral core -pulling structure is used to obtain the wiring cavity arranged in the shell, which can save the production process and has the function of assisting the demoulding of the product.

[0006] The utility model further provides: the core pulling mechanism includes two second pressure strips fixed in the inner wall of the two sides of straight core pulling groove respectively, the second slider is connected with the two second pressure strips slidingly, the second slider is penetrated by the guide pillar arranged obliquely, the tail end of the guide pillar is located outside the lower die plate, the head end of the guide pillar is penetrated through the upper die plate, the side surface of the second slider towards the lower die core is equipped with the second core pulling, the second core pulling is arranged in the straight core pulling groove slidingly.

[0007] The utility model discloses the following features: the straight core pulling groove is arranged in the upper die core, the second core pulling can slide demoulding in the straight core pulling groove, and the demoulding is controlled through the cooperation of the guide pillar and the second slider, the part contacted with the product can be accurately pulled out, the damage of the product caused by improper demoulding is avoided, and the product quality is improved, the second pressure strip has the supporting and guiding effect to the second slider, the guide pillar adopts the connecting mode of penetrating through the second slider, so that the core pulling mechanism has good stability in the working process.

[0008] The utility model further provides: the lower die core is rectangular, and the end surface is equipped with two positioning blocks, the positioning blocks are located at the two right angles away from the fourth cavity, the upper die core is rectangular, and the corresponding two positioning grooves matched with the positioning blocks are arranged on the upper die core.

[0009] The utility model discloses the following features: the accurate cooperation of the positioning block and the positioning groove makes the upper die core and the lower die core accurately align when the mold closes, so that the size and shape precision of the shell die casting cavity are ensured, and the product quality and precision are improved, the positioning block and the positioning groove provide convenience for the installation and debugging of the mold, and the operator can conveniently observe whether the upper die core and the lower die core are aligned.

[0010] The utility model further provides: the side surface of the lower die plate provided with the lateral core pulling mechanism is symmetrically equipped with two resistance columns, and the same side surface of the upper die plate, the die foot and the lower die plate is symmetrically equipped with two resistance columns.

[0011] The utility model discloses the following features: when the die casting mold is placed on the die casting equipment and works, the resistance column provides sufficient working space for the first driving element in the lateral core pulling mechanism, and prevents the first driving element from colliding with the die casting equipment.

[0012] The utility model further provides: the upper die plate is equipped with a feeding pipe, the lower die plate is equipped with a flow divider matched with the feeding pipe and used for injecting material into the shell die casting cavity, the feeding pipe is equipped with a sprue bush connected with the flow divider, the lower die core is equipped with a plurality of injection flow channels connected with the flow divider, and the other end of the injection flow channel is connected with the third cavity.

[0013] The utility model discloses: through the cooperation of the shunt cone and the injection material flow channel, the raw material injected into the feed pipeline can evenly fill the shell die casting cavity, avoids the porosity, the shrinkage and other defects caused by uneven raw material flow, and improves the quality of the product.

[0014] The utility model further provides is: the lower mould core includes mould core main part, with the mould core main part insertion mould core body, the mould core body is round, be equipped with the round hole for the mould core body installation in the fourth cavity, be equipped with the circular recess of accommodating mould core body in the second cavity.

[0015] The utility model discloses: the lower mould core body is set, when the mould core main part or the mould core body has the problem, only needs to replace part, reduces the manufacturing, maintenance cost of mould.

[0016] The utility model further provides is: be equipped with a plurality of slag package on the lower mould core, the slag package includes the first slag package of distribution in the core-pulling groove far from third cavity one side, the second slag package of distribution in the fourth cavity far from third cavity one side, be equipped with the first slag package flow channel of connecting both between the second slag package, the side surface of lower mould core is close to the second slag package and is equipped with external slag package, still be equipped with the second slag package flow channel of connecting external slag package with the second slag package on the lower mould core, be equipped with the third slag package of adapting with the first slag package, the fourth slag package of adapting with the second slag package on the upper mould core correspond, be equipped with the third slag package flow channel of connecting third slag package with the second cavity in the straight core-pulling groove, the third slag package flow channel is arcuate.

[0017] The utility model discloses: through setting up slag package and slag package flow channel, effectively collect the impurity, gas and cold material produced in the die casting process, avoids these substances to mix in the product, thereby reduces the porosity, the slag inclusion and other defects in the product, guarantees the quality of explosion -proof emergency light shell body, the setting of slag package has certain buffering effect, balances the pressure distribution in the cavity, makes the raw material flow more stable in the cavity, reduces the shrinkage, the cold interval and other defects caused by uneven raw material flow.

[0018] The utility model further provides is: the external slag package includes the upper slag package block of embedding in the upper mould plate, the lower slag package block of embedding in the lower mould plate, the end surface of upper slag package block is equipped with a plurality of wave -shaped bosses of distribution with same interval to the lower slag package block, the wave -shaped boss is composed of a plurality of triangular bosses, the end surface of lower slag package block is equipped with a plurality of wave -shaped recesses of adapting with the wave -shaped boss to the upper slag package block, the wave -shaped recess is composed of a plurality of triangular recesses, one end of wave -shaped recess is connected with the second slag package flow channel, the wave -shaped slag package flow channel is formed after the cooperation of upper slag package block and lower slag package block.

[0019] The utility model discloses a structure of the upper mold core and the lower mold core, and the upper mold core and the lower mold core are connected through the upper mold plate and the lower mold plate.

[0020] The utility model discloses will be further detailed below in combination with the drawings and examples. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structure schematic drawing of the upper mold core of the utility model embodiment.

[0022] Figure 2 It is the structure schematic drawing of the lower mold core of the utility model embodiment.

[0023] Figure 3 It is the structure schematic drawing of the upper mold core of the utility model embodiment.

[0024] Figure 4 It is the structure schematic drawing of the lower mold core of the utility model embodiment.

[0025] Figure 5 It is the structure schematic drawing of the lower mold core of the utility model embodiment.

[0026] Figure 6 It is the structure schematic drawing of the lower mold core of the utility model embodiment.

[0027] Figure 7 It is the structure schematic drawing of the lower mold core of the utility model embodiment.

[0028] Figure 8 It is the structure schematic drawing of the upper mold core of the utility model embodiment. DETAILED DESCRIPTION

[0029] The utility model discloses a structure of the upper mold core and the lower mold core, and the upper mold core and the lower mold core are connected through the upper mold plate and the lower mold plate.

[0030] As Figures 1-8The illustrated one is used for producing explosion -proof emergency lamp shell die casting mould, including setting up in turn upper mould plate 1, lower mould plate 2 and mould foot 3, upper mould plate 1 is equipped with upper mould groove (not shown in the drawing) in, upper mould groove is equipped with upper mould core 4 in, lower mould plate 2 is equipped with lower mould groove 21 in, lower mould groove 21 is equipped with lower mould core 5 in, upper mould core 4 and lower mould core 5 correspond to set up and form shell die casting cavity, two core pulling mechanisms 6 are equipped in the side of lower mould plate 2 towards upper mould core 4, two core pulling mechanisms 6 are distributed in the two sides of lower mould core 5, the side of lower mould plate 2 towards mould foot 3 is equipped with obliquely arranged inclined core pulling groove 22, the inclined core pulling groove 22 is equipped with side core pulling mechanism 7 in, side core pulling mechanism 7 is distributed in the third side of lower mould core 5, side core pulling mechanism 7 includes two first pressing strips 71 fixed in the inner wall of inclined core pulling groove 22 two sides, simultaneously with the sliding connection of two first pressing strips 71, the first sliding block 72 of first driving part 73 driving first sliding block 72, first sliding block 72 is equipped with first core pulling 74, the bottom of lower mould groove 21 is equipped with the slot 23 communicated with inclined core pulling groove 22, first core pulling 74 extends to lower mould core 5 through slot 23, upper mould core 4 is equipped with the first cavity 41 as the main part, which is rectangular, the first cavity 41 is located in the center of upper mould core 4, the long side of first cavity 41 is equipped with the second cavity 42 connected therewith, the two sides of second cavity 42 are equipped with straight core pulling groove 43, two straight core pulling grooves 43 are symmetrically arranged and parallel to the long side of first cavity 41, straight core pulling groove 43 is used with core pulling mechanism 6 to demould the product, lower mould core 5 is equipped with the third cavity 51 as the main part, which is rectangular, the third cavity 51 is located in the center of lower mould core 5, the long side of third cavity 51 is equipped with the fourth cavity 52 connected therewith, the inside of lower mould core 5 is equipped with core pulling cavity 53 for first core pulling 74 to pass through, core pulling cavity 53 is obliquely arranged and extends to the outside of lower mould core 5 to form a tubular chamber 54 obliquely arranged on the bottom surface of third cavity 51, first cavity 41 is equipped with inclined groove 411 accommodating tubular chamber 54, first cavity 41 and third cavity 51 are correspondingly arranged, second cavity 42 and fourth cavity 52 are correspondingly arranged, first cavity 41, second cavity 42, third cavity 51 and fourth cavity 52 cooperate to form shell die casting cavity.

[0031] Core pulling mechanism 6 includes two second pressing strips 61 fixed in the inner wall of straight core pulling groove 43 two sides, simultaneously with the sliding connection of two second pressing strips 61, the second sliding block 62 of second driving part 73 driving second sliding block 62, second sliding block 62 is equipped with obliquely arranged guide column 63 through, the end of guide column 63 is located outside lower mould plate 2, the first end of guide column 63 penetrates upper mould plate 1, the side of second sliding block 62 towards lower mould core 5 is equipped with second core pulling 64, second core pulling 64 is slidingly arranged in straight core pulling groove 43.

[0032] Lower mould core 5 is rectangular, its end face is equipped with two positioning blocks 55, positioning blocks 55 are located at the two right angles away from fourth cavity 52, upper mould core 4 is rectangular, its corresponding is equipped with two positioning grooves 44 matched with positioning blocks 55.

[0033] The lower die plate 2 is provided with two abutting columns 8 symmetrically arranged on one side of the side core pulling mechanism 7, and the upper die plate 1, the die foot 3 and the lower die plate 2 are all provided with two abutting columns 8 symmetrically arranged on the same side.

[0034] The upper die plate 1 is provided with a feeding pipe 9, and the lower die plate 2 is provided with a flow divider 10 for feeding the shell casting cavity. The feeding pipe 9 is provided with a sprue bush (not shown in the figure) connected to the flow divider 10. The lower core 5 is provided with a plurality of feeding runners 56 connected to the flow divider 10, and the other ends of the feeding runners 56 are connected to the third cavity 51.

[0035] The lower core 5 includes a core main body 57 and a core split body 58 connected to the core main body 57. The core split body 58 is in a cylindrical shape, the fourth cavity 52 is provided with a circular hole 521 for mounting the core split body 58, and the second cavity 42 is provided with a circular groove 421 for accommodating the core split body 58.

[0036] The lower core 5 is provided with a plurality of slag pockets. The slag pockets include a first slag pocket 12 arranged on the side of the straight core-pulling groove 43 away from the third cavity 51, and a second slag pocket 13 arranged on the side of the fourth cavity 52 away from the third cavity 51. The second slag pocket 13 is connected to the fourth cavity 52 through a first slag pocket runner 59. The side of the lower core 5 close to the second slag pocket 13 is provided with an external slag pocket 20. The lower core 5 is further provided with a second slag pocket runner 50 connecting the external slag pocket 20 and the second slag pocket 13. The upper core 4 is correspondingly provided with a third slag pocket 45 matched with the first slag pocket 12 and a fourth slag pocket 46 matched with the second slag pocket 13. The straight core-pulling groove 43 is provided with a third slag pocket runner 47 connecting the third slag pocket 45 and the second cavity 42. The third slag pocket runner 47 is in an arc shape.

[0037] The external slag pocket 20 includes an upper slag pocket block 21 embedded in the upper die plate 1 and a lower slag pocket block 22 embedded in the lower die plate 2. The end face of the upper slag pocket block 21 facing the lower slag pocket block 22 is provided with a plurality of wave-shaped protrusions 211 distributed at equal intervals. The wave-shaped protrusions 211 are composed of a plurality of triangular protrusions 2111. The end face of the lower slag pocket block 22 facing the upper slag pocket block 21 is provided with a plurality of wave-shaped grooves 221 matched with the wave-shaped protrusions 211. The wave-shaped grooves 221 are composed of a plurality of triangular grooves 2211. One end of the wave-shaped grooves 221 is connected to the second slag pocket runner 50. The upper slag pocket block 21 and the lower slag pocket block 22 form a wave-shaped slag pocket runner after being matched.

[0038] By setting two cavities connected with each other in the upper mold core and the lower mold core respectively, the first cavity and the third cavity are used for forming the light source seat, the second cavity and the fourth cavity are used for forming the power supply seat, and a core-pulling cavity is arranged in the lower mold core and used for forming a wiring cavity connecting the light source seat and the power supply seat, the shell obtained by pressure casting the shell pressure casting cavity in this structure can effectively reduce the size of the emergency lamp shell; the pressure casting raw material is injected into the shell pressure casting cavity from the feeding pipeline, after product injection molding, the upper mold plate and the lower mold plate are opened, the core-pulling mechanism and the lateral core-pulling mechanism act simultaneously to realize core pulling, and auxiliary product demolding.

Claims

1. A die-casting mold for producing explosion-proof emergency light housings, characterized in that: The die casting assembly includes an upper mold plate, a lower mold plate, and mold feet arranged sequentially. The upper mold plate has an upper mold groove containing an upper mold core. The lower mold plate has a lower mold groove containing a lower mold core. The upper and lower mold cores are correspondingly arranged to form a die casting cavity. Two core-pulling mechanisms are located on the side of the lower mold plate facing the upper mold core, distributed on both sides of the lower mold core. An obliquely oriented core-pulling groove is located on the side of the lower mold plate facing the mold feet, containing a lateral core-pulling mechanism distributed on the third side of the lower mold core. Each lateral core-pulling mechanism includes two first pressure strips fixed to the inner walls of the oblique core-pulling groove, a first slider slidably connected to the two first pressure strips, and a first driving member driving the first slider. A first core puller is located on the first slider. The bottom of the lower mold groove has a slot communicating with the oblique core-pulling groove, through which the first core puller extends into the lower mold core. The upper mold core has... The first cavity, which is rectangular and forms the main body, is located at the center of the upper mold core. A second cavity is connected to the long side of the first cavity. Straight core-pulling slots are provided on both sides of the second cavity. The two straight core-pulling slots are symmetrically arranged and parallel to the long side of the first cavity. The straight core-pulling slots are used in conjunction with the core-pulling mechanism to demold the product. The lower mold core has a third cavity, which is rectangular and forms the main body. The third cavity is located at the center of the lower mold core. A fourth cavity is connected to the long side of the third cavity. The lower mold core has a core-pulling cavity through which the first core puller passes. The core-pulling cavity is inclined and extends to the outside of the lower mold core, forming an inclined tubular chamber on the bottom surface of the third cavity. The first cavity has an inclined groove to accommodate the tubular chamber. The first cavity and the third cavity are arranged correspondingly, and the second cavity and the fourth cavity are arranged correspondingly. The first cavity, the second cavity, the third cavity and the fourth cavity cooperate to form a die-casting cavity for the shell.

2. The die-casting mold for producing explosion-proof emergency light housings according to claim 1, characterized in that: The core-pulling mechanism includes two second pressure strips fixed to the inner walls of both sides of the straight core-pulling groove, and a second slider that is slidably connected to the two second pressure strips. An inclined guide post passes through the second slider, with the end of the guide post located outside the lower template and the beginning of the guide post passing through the upper template. A second core puller is provided on the side of the second slider facing the lower mold core, and the second core puller is slidably disposed in the straight core-pulling groove.

3. The die-casting mold for producing explosion-proof emergency light housings according to claim 1, characterized in that: The lower mold core is rectangular, and its end face is provided with two positioning blocks. The positioning blocks are located at two right angles away from the fourth cavity. The upper mold core is rectangular, and it is provided with two positioning grooves that are adapted to the positioning blocks.

4. The die-casting mold for producing explosion-proof emergency light housings according to any one of claims 1-3, characterized in that: Two abutments are symmetrically arranged on one side of the lower template where the lateral core-pulling mechanism is provided, and two abutments are symmetrically arranged on the same side of the upper template and the mold foot as the lower template.

5. The die-casting mold for producing explosion-proof emergency light housings according to any one of claims 1-3, characterized in that: The upper mold plate is provided with a feeding pipe, and the lower mold plate is provided with a flow divider cone that cooperates with the feeding pipe to inject material into the die casting cavity of the shell. The feeding pipe is provided with a sprue sleeve that connects to the flow divider cone. The lower mold core is provided with several injection channels that are connected to the flow divider cone. The other end of the injection channel is connected to the third cavity.

6. The die-casting mold for producing explosion-proof emergency light housings according to any one of claims 1-3, characterized in that: The lower mold core includes a mold core body and a mold core sub-body that is inserted into the mold core body. The mold core sub-body is cylindrical. The fourth cavity has a circular hole for installing the mold core sub-body, and the second cavity has a circular groove for accommodating the mold core sub-body.

7. A die-casting mold for producing explosion-proof emergency light housings according to claim 2, characterized in that: The lower mold core is provided with a plurality of slag bags, including a first slag bag distributed on the side of the core-pulling groove away from the third cavity and a second slag bag distributed on the side of the fourth cavity away from the third cavity. A first slag bag flow channel is provided between the second slag bag and the fourth cavity. An external slag bag is provided on the side of the lower mold core near the second slag bag. The lower mold core is also provided with a second slag bag flow channel connecting the external slag bag and the second slag bag. The upper mold core is provided with a third slag bag adapted to the first slag bag and a fourth slag bag adapted to the second slag bag. A third slag bag flow channel is provided in the straight core-pulling groove to connect the third slag bag and the second cavity. The third slag bag flow channel is arched.

8. A die-casting mold for producing explosion-proof emergency light housings according to claim 7, characterized in that: The external slag bag includes an upper slag bag block embedded in the upper template and a lower slag bag block embedded in the lower template. The end face of the upper slag bag block facing the lower slag bag block is provided with a number of wavy protrusions distributed at the same intervals. The wavy protrusions are composed of multiple triangular protrusions. The end face of the lower slag bag block facing the upper slag bag block is provided with a number of wavy grooves adapted to the wavy protrusions. The wavy grooves are composed of multiple triangular grooves. One end of the wavy groove is connected to the second slag bag flow channel. The upper slag bag block and the lower slag bag block cooperate to form a wavy slag bag flow channel.

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