CN216683154U - One-outlet multi-combination accessory forming die - Google Patents

Abstract

The utility model belongs to the technical field of dies, and particularly relates to a forming die for one-out multi-combination accessories, which comprises a front die frame, a rear die frame, a runner plate, a front die and a rear die; the front die is provided with a plurality of first cavities and a plurality of second cavities, and the rear die is provided with a plurality of first cores and second cores; a plurality of first forming grooves corresponding to the first core pulling blocks are formed in the side ends, close to each other, of the two first core pulling blocks; a plurality of second forming grooves corresponding to the second core pulling blocks are formed in the side ends, close to each other, of the two second core pulling blocks; the first traction assembly and the second traction assembly are respectively used for drawing the two first core-pulling blocks and the two second core-pulling blocks to be away from or close to each other when the mold is opened and closed; when the die is closed, a first shell fastener forming cavity is formed among the first mold core, the first forming groove and the first cavity, and a second shell fastener forming cavity is formed among the first mold core, the first forming groove and the first cavity; the first shell fastener and the second shell fastener after the molding have small size error and labor-saving assembly, thereby improving the assembly efficiency.

Description

One-outlet multi-combination accessory forming die

Technical Field

The utility model belongs to the technical field of molds, and particularly relates to a forming mold for a multi-combination accessory.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".

Most of plastic accessories in daily life are basically formed by injection molding, so that the processing efficiency is high, and the processing cost is low. Most electronic accessory housings include a first housing and a second housing; the first shell and the second shell are provided with a buckle and a clamping groove which are matched and clamped with each other, and the first shell and the second shell are connected to form an outgoing shell through matching and clamping of the buckle and the clamping groove. At present, first casing and second casing are respectively through independent mould injection moulding most of the time, die cavity structure symmetric distribution, be favorable to processing mold, but, the fashioned product of mould through the difference, because different mould precision has the error, and the shrinkage factor also can be different when the product cooling shaping, first casing and second casing after the part shaping have great dimensional error, lead to when the assembly, the workman need use great strength just can lock first casing and second casing, the equipment is hard, and can reduce assembly efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a multi-combination accessory forming die, and aims to solve the technical problems that in the prior art, different dies have errors in precision, shrinkage rates of products are different during cooling forming, and a part of formed first shell and second shell have larger size errors, so that a worker needs to use larger force to buckle the first shell and the second shell during assembling, the assembling is labor-consuming, and the assembling efficiency is reduced.

In order to achieve the above object, an embodiment of the utility model provides a mold for forming a multi-combination accessory, which comprises a front mold frame, a rear mold frame, a runner plate, a front mold and a rear mold; the runner plate and the front die are sequentially arranged on the front die frame, and the rear die frame is arranged on the rear die frame; the front die is provided with a plurality of first cavities and a plurality of second cavities, the rear die is provided with a plurality of first cores and second cores, and the plurality of first cores and the plurality of second cores are respectively arranged in one-to-one correspondence with the plurality of first cavities and the plurality of second cavities; the rear die is connected with first core pulling blocks on two sides of the first core in a sliding mode, and a plurality of first forming grooves corresponding to the first core pulling blocks one to one are formed in the side ends, close to each other, of the two first core pulling blocks; the rear die is connected with second core pulling blocks on two sides of the second core in a sliding mode, and a plurality of second forming grooves corresponding to the second core pulling blocks in a one-to-one mode are formed in the side ends, close to each other, of the two second core pulling blocks; the front die is provided with a first traction assembly and a second traction assembly, and the first traction assembly and the second traction assembly are respectively used for pulling the two first core pulling blocks and the two second core pulling blocks to be away from or close to each other when the front die is opened and closed; when the die is closed, a first shell fastener forming cavity is formed among the first mold core, the first forming groove and the first cavity, and a second shell fastener forming cavity is formed among the first mold core, the first forming groove and the first cavity; the front mould frame is provided with a thimble mechanism for ejecting the first shell fastener and the second shell fastener; the front end of the front mould frame is provided with a sprue gate, and the runner plate is provided with a runner communicated with the sprue gate, the first shell fastener forming cavity and the second shell fastener forming cavity.

Optionally, the first traction assembly includes two first fixing seats symmetrically arranged; two first inclined rods are symmetrically arranged on the two first fixed seats; a pair of first inclined holes is symmetrically formed in each of the two first core pulling blocks, and each first inclined rod is connected with one first inclined hole in a matched mode and used for drawing the two first core pulling blocks to be far away from or close to each other; the second traction assembly comprises two second fixed seats which are symmetrically arranged; two second inclined rods are symmetrically arranged on the two second fixed seats; and the two second core pulling blocks are symmetrically provided with a pair of second inclined holes, and each second inclined rod is matched and connected with one second inclined hole and used for pulling the two second core pulling blocks to be away from or close to each other.

Optionally, the rear die is provided with first mounting grooves on two opposite lateral sides of the first core, the two first core pulling blocks are respectively connected to the two first mounting grooves in a sliding manner, a first elastic element is arranged between the first core pulling block and a side wall of the first mounting groove, and the first elastic element is used for elastically pushing the first core pulling block away from the first core; the rear die is in two opposite sides of the second core are respectively provided with a second mounting groove, the second core pulling blocks are respectively connected to the two second mounting grooves in a sliding mode, a second elastic piece is arranged between the second core pulling block and the side wall of the second mounting groove, and the second elastic piece is used for elastically pushing the second core pulling block away from the second core.

Optionally, the rear die is provided with two first sliding grooves beside the two first core-pulling blocks, two opposite ends of each first core-pulling block are provided with first sliding blocks in a protruding manner, and the two first sliding blocks of each first core-pulling block are respectively connected with the two first sliding grooves in a sliding manner; the rear die is provided with two second sliding grooves beside the two second core-pulling blocks, the two opposite ends of the second core-pulling blocks are convexly provided with second sliding blocks, and the two second sliding blocks of each second core-pulling block are respectively connected with the two second sliding grooves in a sliding manner.

Optionally, the side ends, far away from each other, of the two first core pulling blocks and the two second core pulling blocks are respectively provided with a first inclined surface, the front mold is fixedly provided with four locking blocks, and the four locking blocks are respectively provided with a second inclined surface; when the die is closed, the four second inclined surfaces are respectively abutted against the four first inclined surfaces, so that the two first core-pulling blocks and the two second core-pulling blocks are pressed.

Optionally, the inner walls of the first forming grooves of the two first core-pulling blocks are respectively provided with a groove for forming the buckle of the first shell fastener, and the inner walls of the second forming grooves of the two second core-pulling blocks are respectively provided with a projection for forming the clamping groove of the second shell fastener.

Optionally, a core block for molding the front cavity of the second shell fastener is arranged in the second cavity, the end of the runner penetrates through the core block, and the first sprue gate of the runner is located at the front end of the core block.

Optionally, the core block comprises a tapered portion and a core rod disposed on the tapered portion, and the end of the flow channel penetrates through the tapered portion and extends to the core rod; a plurality of tapered grooves are formed in one end, away from the second cavity, of the front die, the tapered grooves are communicated with the second cavity, and the width of each tapered groove is gradually reduced towards one end, close to the second cavity; the tapered part is installed in the tapered groove in an adaptive mode, and the core rod extends into the second cavity.

Optionally, the rear mold frame is movably connected with a push plate, and the ejector pin mechanism is mounted on the push plate; a first limiting block is arranged on the side wall of the pushing plate, and a second limiting block is arranged on the side wall of the rear die; the side wall of the front die is connected with the first end of a first connecting rod, the second end of the first connecting rod penetrates between the first limiting block and the second limiting block, and the two side walls of the first connecting rod are respectively close to the first limiting block and the second limiting block; the side wall of the rear die is rotatably connected with the first end of the second connecting rod, and the second end of the second connecting rod can abut against the first limiting block and the first connecting rod.

Optionally, the lateral wall of back die carrier is equipped with proximity switch, the slurcam is equipped with and is close the piece, through close the piece with proximity switch butt comes to limit the slurcam stroke.

Compared with the prior art, one or more technical schemes in the multi-combination accessory forming die provided by the embodiment of the utility model at least have one of the following technical effects:

through a plurality of first shell fasteners of a plurality of combination accessory forming die one shot forming and a plurality of second shell fastener, same mould injection moulding, shrinkage factor is unanimous basically when the product cooling shaping, and first shell fastener after the shaping and second shell fastener size error are little, and size precision is high, and during the equipment, the workman need use less power just can lock first shell fastener and second shell fastener, and the equipment is laborsaving to improve assembly efficiency.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic structural view of a mold for molding a multi-unit assembly according to the present invention.

FIG. 2 is an exploded view of a multi-piece molding tool of the present invention.

FIG. 3 is a schematic view of a first partial structure of a mold for molding a multi-component part according to the present invention.

FIG. 4 is a second partial structural view of a mold for molding a multi-component part according to the present invention.

FIG. 5 is an exploded view of FIG. 4 in accordance with the present invention.

Fig. 6 is a cross-sectional view of fig. 3 of the present invention.

Fig. 7 is a schematic structural view of the core block of the present invention.

Fig. 8 is a schematic structural view of the first and second case fasteners of the present invention.

Wherein, in the figures, the respective reference numerals:

a front mold frame 100, a sprue bush 110;

the device comprises a rear mould frame 200, a push plate 210, a first limit block 211, an approach block 222, an approach switch 220, a runner plate 300 and a first sprue gate 311;

the front mold 400, the first cavity 410, the second cavity 420, the core block 421, the taper 422, the core rod 423, the first pulling component 430, the first fixing seat 431, the first inclined rod 432, the second pulling component 440, the second fixing seat 441, the second inclined rod 442, the locking block 450, the second inclined surface 451, the tapered groove 460, and the first connecting rod 470;

the rear mold 500, the first core 510, the second core 520, the first core-pulling block 530, the first forming groove 531, the first inclined hole 532, the first slider 533, the first inclined surface 538, the second core-pulling block 540, the second forming groove 541, the second inclined hole 542, the second slider 543, the first mounting groove 550, the first elastic member 551, the first sliding groove 552, the second mounting groove 560, the second elastic member 561, the second sliding groove 562, the second stopper 570, and the second connecting rod 580;

first shell fastener 610, buckle 611, second shell fastener 620, draw-in groove 621.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

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

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, referring to fig. 1 to 8, there is provided a multi-combination molding die including a front die frame 100, a rear die frame 200, a runner plate 300, a front die 400, and a rear die 500.

Referring to fig. 1 to 8, the front mold frame 100 and the rear mold frame 200 are mold frame structures commonly used in molds.

Referring to fig. 1 to 8, the runner plate 300 and the front mold 400 are sequentially installed at the front mold frame 100, and the rear mold frame 500 is installed at the rear mold frame 200; the front mold 400 is provided with a plurality of first cavities 410 and a plurality of second cavities 420, the rear mold 500 is provided with a plurality of first cores 510 and a plurality of second cores 520, and the plurality of first cores 510 and the plurality of second cores 520 are respectively provided in one-to-one correspondence with the plurality of first cavities 410 and the plurality of second cavities 420.

Referring to fig. 1 to 8, first core-pulling blocks 530 are slidably connected to both sides of the first cores 510 of the rear mold 500, and a plurality of first forming grooves 531 corresponding to the first cores 510 are respectively formed at the side ends of the two first core-pulling blocks 530, which are close to each other. The rear mold 500 is slidably connected with second core blocks 540 at both sides of the second cores 520, and a plurality of second forming grooves 541 corresponding to the second cores 520 one to one are formed at the side ends of the two second core blocks 540 close to each other.

Referring to fig. 1 to 8, the front mold 400 is provided with a first drawing assembly 430 and a second drawing assembly 440, and the first drawing assembly 430 and the second drawing assembly 440 are respectively used for drawing the two first core-extracting blocks 530 and the two second core-extracting blocks 540 away from or close to each other when the mold is opened and closed. When the die is closed, a first shell fastener forming cavity is formed among the first mold core 510, the first forming groove 531 and the first mold cavity 410, a first shell fastener 610 is formed in the first shell fastener forming cavity during injection molding, a second shell fastener forming cavity is formed among the second mold core 520, the second forming groove 541 and the second mold cavity 420, and a second shell fastener 620 is formed in the second shell fastener forming cavity during injection molding.

Referring to fig. 1 to 8, the front mold frame 100 is provided with a thimble mechanism (not shown) for ejecting the first shell fastener 610 and the second shell fastener 620, and when the mold is opened, the first shell fastener 610 and the second shell fastener 620 formed in the first shell fastener forming cavity and the second shell fastener forming cavity are ejected by the thimble mechanism. Preceding die carrier 100's front end is equipped with runner cover 110, runner plate 300 is equipped with the intercommunication runner cover 110 first shell fastener becomes the die cavity with the runner (not shown) in second shell fastener becomes the die cavity, and the melting plastic is followed runner cover 110 through the injection molding machine the runner gets into first shell fastener becomes the die cavity with in the second shell fastener shaping intracavity, the melting plastic is in first shell fastener becomes the die cavity with second shell fastener becomes die cavity internal cooling shaping and forms first shell fastener 610 and second shell fastener 620.

Referring to fig. 1 to 8, a plurality of first shell fasteners 610 and a plurality of second shell fasteners 620 are formed at one time through the one-out multi-combination fitting forming mold, the shrinkage rate of a product is basically consistent during cooling forming through the same mold, the formed first shell fasteners 610 and second shell fasteners 620 have small size errors and high size precision, and during assembling, a worker can fasten the first shell fasteners 610 and the second shell fasteners 620 by using a small force, so that the assembling is labor-saving, and the assembling efficiency is improved.

In another embodiment of the present invention, referring to fig. 1 to 8, the first traction assembly 430 comprises two first fixed seats 431 which are symmetrically arranged. The two first fixing seats 431 are fixedly mounted on the front mold 400 through screws, and the two first fixing seats 431 are symmetrically provided with two first inclined rods 432. The two first core blocks 530 are symmetrically provided with a pair of first inclined holes 532, and each first inclined rod 432 is connected with one first inclined hole 532 in a matching way and is used for pulling the two first core blocks 530 to be far away from or close to each other. The second traction assembly 440 includes two second fixed seats 441 symmetrically disposed. The two second fixing seats 441 are both fixedly mounted on the front mold 400 by screws, and the two second fixing seats 441 are both symmetrically provided with two second inclined rods 442. Each of the second core blocks 540 is symmetrically provided with a pair of second inclined holes 542, and each of the second inclined rods 442 is connected with one of the second inclined holes 542 in a matching manner and is used for pulling the two second core blocks 540 away from or close to each other.

Specifically, referring to fig. 1 to 8, when the dies are closed, the first tilting rod 432 and the second tilting rod 442 are respectively inserted into the first tilting hole 532 and the second tilting hole 542, the first core block 530 is drawn to be close to each other by the first tilting rod 432, and the second core block 540 is drawn to be close to each other by the second tilting rod 542. When the mold is opened, the first inclined rod 432 and the second inclined rod 442 leave the first inclined hole 532 and the second inclined hole 542 respectively, the first core-pulling block 530 is pulled away from each other by the first inclined rod 432 to expose the first shell fastener 610, and the second core-pulling block 540 is pulled away from each other by the second inclined rod 442 to expose the second shell fastener 620.

Further, referring to fig. 1 to 8, the rear mold 500 is provided with first mounting grooves 550 at two opposite lateral sides of the first mold core 510, the two first core-pulling blocks 530 are respectively slidably connected to the two first mounting grooves 550, a first elastic member 551 is arranged between the first core-pulling blocks 530 and the lateral wall of the first mounting groove 550, and the first elastic member 551 is used for elastically pushing the first core-pulling blocks 530 away from the first mold core 510. When the mold is opened, the first core block 530 is elastically pushed by the first elastic member 551 away from the first core 510 to return to the initial position, so that the first inclined rod 432 can be just inserted into the first inclined hole 532 to avoid collision when the mold is closed.

Further, referring to fig. 1 to 8, second mounting grooves 560 are respectively formed on two opposite lateral sides of the second core 520 of the rear mold 500, the two second core-pulling blocks 540 are respectively connected to the two second mounting grooves 560 in a sliding manner, a second elastic member 561 is disposed between the second core-pulling block 540 and the lateral wall of the second mounting groove 560, and the second elastic member 561 is used for elastically pushing the second core-pulling block 540 away from the second core 520. When the mold is opened, the second core block 540 is elastically pushed away from the second core 520 by the second elastic member 561 to return to the initial position, so that the second inclined rod 442 can be just inserted into the second inclined hole 542 during mold closing, and collision is avoided.

Specifically, referring to fig. 1 to 8, the second elastic member 561 and the first elastic member 551 are both springs.

Further, referring to fig. 1 to 8, the rear mold 500 has two first sliding grooves 552 beside the two first core blocks 530, and the two first sliding grooves 552 are disposed on two opposite sidewalls of the first mounting groove 550. The two opposite ends of the first core block 530 are respectively provided with a first sliding block 533 in a protruding manner, and the two first sliding blocks 533 of each first core block 530 are respectively connected to the two first sliding grooves 552 in a sliding manner, so that the structure is simple and the movement is stable. The rear die 500 is arranged on two side two second sliding grooves 562 and two second sliding grooves 562 of the second core-pulling block 540, two second sliding grooves 562 are arranged on two opposite side walls of the second mounting groove 560, two opposite ends of the second core-pulling block 540 are respectively provided with a second sliding block 543 in a protruding mode, each second core-pulling block 540 is arranged on two second sliding blocks 543 in a sliding connection with the two second sliding grooves 562 respectively, the structure is simple, and the motion is stable.

Further, referring to fig. 1 to 8, the first inclined surface 538 is provided at the side end of each of the two first core blocks 530 and the two second core blocks 540, which are far away from each other, the four locking blocks 450 are fixedly provided on the front mold 400, and the four locking blocks 450 are fixedly mounted on the front mold 400 by screws. The four locking blocks 450 are provided with a second inclined surface 451. When the die is closed, the four second inclined surfaces 451 are respectively abutted against the four first inclined surfaces 538, so that the two first core-pulling blocks 530 and the two second core-pulling blocks 540 are pressed, the two first core-pulling blocks 530 and the two second core-pulling blocks 540 are prevented from being pushed away by molten plastic in the first shell fastener forming cavity and the second shell fastener forming cavity during injection molding, and the structure is stable.

Further, referring to fig. 1 to 8, the inner walls of the first forming grooves 531 of the two first core-pulling blocks 530 are provided with grooves for forming the fasteners 611 of the first shell fasteners 610, the inner walls of the second forming grooves 541 of the two second core-pulling blocks 540 are provided with protrusions for forming the locking grooves 621 of the second shell fasteners 620, and when the two first core-pulling blocks 530 and the two second core-pulling blocks 540 are far away from each other, the mold can be quickly removed, which is beneficial to the mold removal.

In another embodiment of the present invention, referring to fig. 1 to 8, a core block 421 for molding a front cavity of the second shell fastener 610 is disposed in the second cavity 420, the end 310 of the runner penetrates through the core block 421, and the first gate 311 of the runner is located at the front end of the core block 421. During injection molding, the molten plastic enters from the sprue bush 110, flows along the runner and enters the second shell fastener molding cavity from the first sprue gate 311, and the molten plastic in the second shell fastener molding cavity is cooled and molded to obtain the second shell fastener 620. Because the first sprue gate 311 extends into the front cavity of the second shell fastener, the surface of the outer shell of the molded second shell fastener 620 is smooth, the sprue point of the first sprue gate 311 cannot be left, and the subsequent processes of polishing or repairing the salient point are saved.

Further, referring to fig. 1 to 8, the core block 421 includes a tapered portion 422 and a core rod 423 disposed on the tapered portion 422, and the end of the flow channel penetrates through the tapered portion 422 and extends to the core rod 423. The end of the front mold 400 departing from the second cavity 420 is provided with a plurality of tapered slots 460, the tapered slots 460 are communicated with the second cavity 420, and the width of the tapered slots 460 decreases from the end far away from the end of the second cavity 420 to the end near the second cavity 420. The tapered portion 422 is fittingly mounted to the tapered groove 460, and the mandrel 423 extends into the second cavity 420. When the front mold 400 and the rear mold 500 are separated from each other, the tapered portion 422 and the tapered groove 460 are firmly installed without pulling out the core rod 423 when the mold is pulled.

In another embodiment of the present invention, referring to fig. 1 to 8, the rear mold frame 200 is movably connected to a push plate 210, and the ejector pin mechanism is mounted on the push plate 210. The thimble mechanism is a common thimble structure in the mould. The side wall of the pushing plate 210 is provided with a first limiting block 211, and the side wall of the rear mold 500 is provided with a second limiting block 570. The side wall of the front mold 400 is fixedly connected with the first end of the first connecting rod 470, the second end of the first connecting rod 470 penetrates between the first limiting block 211 and the second limiting block 570, and the two side walls of the first connecting rod 470 are respectively close to the first limiting block 211 and the second limiting block 570. The side wall of the rear mold 500 is rotatably connected to a first end of a second connecting rod 580, and a second end of the second connecting rod 580 can abut against the first stopper 211 and the first connecting rod 470. When the mold is opened, the front mold 400 and the rear mold 500 are away from the mold opening, the first connecting rod 470 moves along with the front mold 400 and leaves the second ends of the first limiting block 211 and the second connecting rod 580, the second connecting rod 580 is not limited by the first connecting rod 470 at the moment, the power source of the injection molding machine pushes the pushing plate 210 to drive the ejector pin mechanism to move forwards, and the first shell fastener forming cavity and the second shell fastener forming cavity are internally cooled and formed to eject and demold the first shell fastener 610 and the second shell fastener 620. Above-mentioned structure can avoid under the condition that front mould 400 and back mould 500 do not keep away from the die sinking each other, the mistake appears touching, and the power supply of injection molding machine promotes slurcam 210 and drives thimble mechanism antedisplacement, causes the phenomenon that thimble mechanism antedisplacement top injures the shaping chamber, and adopts above-mentioned structure, and structural stability is high.

Further, referring to fig. 1 to 8, a proximity switch 220 is disposed on a sidewall of the rear mold frame 200, and a proximity block 222 is disposed on the push plate 210, so that the stroke of the push plate 210 is limited by the proximity block 222 abutting against the proximity switch 220. The power source of the injection molding machine drives the pushing plate 210 to move back to the initial position until the approaching block 222 and the approaching switch 220, and the pushing plate 210 stops moving to avoid collision.

The rest of this embodiment is the same as the first embodiment, and the unexplained features in this embodiment are explained by the first embodiment, which is not described herein again.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the present invention pertains, the architecture form can be flexible and varied without departing from the concept of the present invention, and a series of products can be derived. But rather a number of simple derivations or substitutions are made which are to be considered as falling within the scope of the utility model as defined by the appended claims.

Claims (10)

1. A one-out multi-combination accessory forming die is characterized by comprising a front die frame, a rear die frame, a runner plate, a front die and a rear die; the runner plate and the front die are sequentially arranged on the front die frame, and the rear die frame is arranged on the rear die frame; the front die is provided with a plurality of first cavities and a plurality of second cavities, the rear die is provided with a plurality of first cores and second cores, and the plurality of first cores and the plurality of second cores are respectively arranged in one-to-one correspondence with the plurality of first cavities and the plurality of second cavities; the rear die is connected with first core-pulling blocks on two sides of the first core in a sliding mode, and a plurality of first forming grooves corresponding to the first cores one to one are formed in the side ends, close to each other, of the two first core-pulling blocks; the rear die is connected with second core pulling blocks on two sides of the second core in a sliding mode, and a plurality of second forming grooves corresponding to the second cores one to one are formed in the side ends, close to each other, of the two second core pulling blocks; the front die is provided with a first traction assembly and a second traction assembly, and the first traction assembly and the second traction assembly are respectively used for pulling the two first core pulling blocks and the two second core pulling blocks to be away from or close to each other when the front die is opened and closed; when the die is closed, a first shell fastener forming cavity is formed among the first mold core, the first forming groove and the first cavity, and a second shell fastener forming cavity is formed among the second mold core, the second forming groove and the second cavity; the front mould frame is provided with a thimble mechanism for ejecting the first shell fastener and the second shell fastener; the front end of the front die frame is provided with a sprue bush, and the runner plate is provided with a runner communicated with the sprue bush, the first shell fastener forming cavity and the second shell fastener forming cavity.

2. The mold for molding a multi-component part according to claim 1, wherein: the first traction assembly comprises two first fixed seats which are symmetrically arranged; two first inclined rods are symmetrically arranged on the two first fixed seats; a pair of first inclined holes is symmetrically formed in each of the two first core pulling blocks, and each first inclined rod is connected with one first inclined hole in a matched mode and used for drawing the two first core pulling blocks to be far away from or close to each other; the second traction assembly comprises two second fixed seats which are symmetrically arranged; two second inclined rods are symmetrically arranged on the two second fixed seats; and the two second core pulling blocks are symmetrically provided with a pair of second inclined holes, and each second inclined rod is matched and connected with one second inclined hole and used for pulling the two second core pulling blocks to be away from or close to each other.

3. The mold for molding a multi-component part according to claim 2, wherein: the rear die is provided with first mounting grooves on two opposite side surfaces of the first core, the two first core pulling blocks are respectively connected to the two first mounting grooves in a sliding mode, a first elastic piece is arranged between the first core pulling block and the side wall of the first mounting groove, and the first elastic piece is used for elastically pushing the first core pulling block to be far away from the first core; the rear die is in two opposite sides of the second core are respectively provided with a second mounting groove, the second core pulling blocks are respectively connected to the two second mounting grooves in a sliding mode, a second elastic piece is arranged between the second core pulling block and the side wall of the second mounting groove, and the second elastic piece is used for elastically pushing the second core pulling block away from the second core.

4. The mold for molding a multi-component part according to claim 1, wherein: the rear die is provided with two first sliding grooves beside the two first core-pulling blocks, two opposite ends of each first core-pulling block are convexly provided with first sliding blocks, and the two first sliding blocks of each first core-pulling block are respectively connected with the two first sliding grooves in a sliding manner; the rear die is provided with two second sliding grooves beside the two second core-pulling blocks, the two opposite ends of the second core-pulling blocks are convexly provided with second sliding blocks, and the two second sliding blocks of each second core-pulling block are respectively connected with the two second sliding grooves in a sliding manner.

5. The mold for molding a multi-component part according to claim 1, wherein: the side ends, far away from each other, of the two first core pulling blocks and the two second core pulling blocks are respectively provided with a first inclined surface, the front die is fixedly provided with four locking blocks, and the four locking blocks are respectively provided with a second inclined surface; when the die is closed, the four second inclined surfaces are respectively abutted against the four first inclined surfaces, so that the two first core-pulling blocks and the two second core-pulling blocks are pressed.

6. The mold for molding a multi-component part according to claim 1, wherein: the inner walls of the first forming grooves of the two first core-pulling blocks are respectively provided with a groove for forming a buckle of the first shell fastener, and the inner walls of the second forming grooves of the two second core-pulling blocks are respectively provided with a convex block for forming a clamping groove of the second shell fastener.

7. The mold for molding a multi-unit kit as claimed in claim 1, wherein: the second mold cavity is internally provided with a mold core block for molding the front cavity of the second shell fastener, the tail end of the runner penetrates through the mold core block, and the first sprue gate of the runner is positioned at the front end of the mold core block.

8. The mold for molding a multi-component part according to claim 7, wherein: the core block comprises a conical part and a core rod arranged on the conical part, and the tail end of the flow channel penetrates through the conical part and extends to the core rod; a plurality of tapered grooves are formed in one end, away from the second cavity, of the front die, the tapered grooves are communicated with the second cavity, and the width of each tapered groove is gradually reduced towards one end, close to the second cavity; the tapered part is installed in the tapered groove in an adaptive mode, and the core rod extends into the second cavity.

9. The mold for molding a multi-component part according to claim 1, wherein: the rear mould frame is movably connected with a push plate, and the ejector pin mechanism is arranged on the push plate; a first limiting block is arranged on the side wall of the pushing plate, and a second limiting block is arranged on the side wall of the rear die; the side wall of the front die is connected with the first end of a first connecting rod, the second end of the first connecting rod penetrates between the first limiting block and the second limiting block, and the two side walls of the first connecting rod are respectively close to the first limiting block and the second limiting block; the side wall of the rear die is rotatably connected with the first end of the second connecting rod, and the second end of the second connecting rod can abut against the first limiting block and the first connecting rod.

10. The mold for molding a multi-component part according to claim 9, wherein: the lateral wall of back die carrier is equipped with proximity switch, the slurcam is equipped with and is close the piece, through it with proximity switch butt comes the restriction to close the piece the slurcam stroke.

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