CN218948316U - Injection molding die carrier - Google Patents

Abstract

The utility model relates to an injection molding die carrier, which comprises an end plate, a main die plate fixed on the rear side of the end plate, an auxiliary die plate arranged on the rear side of the main die plate and matched with the main die plate, a bottom plate fixed on the rear side of the auxiliary die plate, and an ejection device arranged between the auxiliary die plate and the bottom plate; a core plate is embedded in the rear side of the main template, a rectangular die frame is fixed on the rear side of the core plate, a first die cavity is correspondingly formed in the front side of the auxiliary template, a rectangular block is outwards formed on the bottom surface of the first die cavity, and the rectangular die frame is inserted into the first die cavity and sleeved outside the rectangular block; according to the utility model, each component part contained in the whole plastic part can be molded at one time only by manufacturing one pair of the mold frames, so that the molded component parts can be used for smoothly assembling the whole plastic part, the mold frame manufacturing cost is greatly reduced, the production cost is reduced, and the materials and time are saved so as to avoid repeated expenditure of manpower, material resources and financial resources.

Description

Injection molding die carrier

Technical Field

The utility model relates to an injection molding die carrier.

Background

Injection molding is a common plastic product manufacturing mode, and injection molding can be realized by means of an injection molding machine and a matched die carrier arranged in the injection molding machine; the existing injection molding die carrier can produce a plurality of plastic parts at one time, but the structures and the sizes of the plastic parts are the same, if a complete set of plastic parts comprises a plurality of component parts, each component part needs to be manufactured into a pair of special die carriers, then in order to smoothly assemble the complete plastic parts, a corresponding number of die carriers need to be manufactured, the manufacturing cost of the die carriers of manufacturers is greatly increased, the production cost is further increased, more materials are consumed, the time of a large number of parts is wasted, and the repeated expenditure of manpower, material resources and financial resources is caused, so that the injection molding die carrier is further improved.

Disclosure of Invention

Aiming at the current state of the art, the utility model aims to provide the injection molding frame which greatly reduces the manufacturing cost to reduce the production cost and saves the materials and time to avoid repeated expenditure of manpower, material resources and financial resources.

The technical scheme adopted for solving the technical problems is as follows: the injection molding die carrier comprises an end plate, a main die plate, an auxiliary die plate, a bottom plate and an ejection device, wherein the main die plate is fixed on the rear side of the end plate, the auxiliary die plate is arranged on the rear side of the main die plate and matched with the main die plate, the bottom plate is fixed on the rear side of the auxiliary die plate, and the ejection device is arranged between the auxiliary die plate and the bottom plate; a plurality of core columns which are transversely arranged are fixedly inserted into the rectangular block in a penetrating way, and the front end of each core column extends into the rectangular mold frame; the rear side of the core plate is externally provided with a first convex module, correspondingly, the front side of the auxiliary template is provided with a second die cavity, the first convex module is inserted into the second die cavity, four pins which are symmetrically arranged in pairs are also fixed on the end surface of the first convex module, correspondingly, the bottom surface of the second die cavity is provided with four die holes which are symmetrically arranged in pairs, and the four pins are respectively inserted into the four die holes; the rear side of the core plate is provided with a third die cavity and two annular grooves, the two annular grooves are respectively arranged on the upper side and the lower side of the third die cavity, correspondingly, the front side of the auxiliary die plate is outwards provided with a second convex die block and two circular die cavities, the second convex die block is inserted into the third die cavity, the two circular die cavities are respectively arranged on the upper side and the lower side of the second convex die block and are respectively matched with the two annular grooves, and the upper side and the lower side of the third die cavity are respectively provided with a side forming mechanism which is symmetrically distributed, and the two side forming mechanisms are respectively arranged on the outer sides of the two annular grooves; the side forming mechanism comprises a sliding block movably embedded at the front side of the auxiliary die plate and provided with a vertical movement function, and a guide rod obliquely inserted in the sliding block, wherein the front end of the guide rod is fixed on the core plate, an extending part is outwards formed at the inner side of the sliding block, and a stop block is outwards formed at the end part of the extending part; the front side of the auxiliary die plate is also provided with a runner, and the runner is communicated with the first die cavity, the second convex die block and the inner walls of the two circular die cavities.

Preferably, the front side of the core plate is provided with a sinking cavity, the edge above the front side of the core plate is provided with a notch cavity, the sinking cavity and the notch cavity are both internally provided with a buffer mechanism, the buffer mechanism comprises a plurality of seat blocks which are sequentially overlapped and fixed from front to back, a plurality of buffer rods which are transversely fixed on the seat block at the rearmost side, and a plurality of buffer springs which are arranged between the seat block at the foremost side and the main template, and the end parts of each buffer rod penetrate through the sinking cavity or the notch cavity and extend out to the rear of the core plate.

Preferably, the rear side of the main template is provided with a structural cavity, the core plate is embedded in the structural cavity, the front end of each buffer spring is embedded in the bottom surface of the structural cavity, and the rear end of each buffer spring is tightly propped against one seat block at the forefront side.

Preferably, the inner walls of the upper side and the lower side of the structural cavity are respectively provided with a first open slot, correspondingly, the outer walls of the upper side and the lower side of the core plate are respectively provided with a second open slot, and the two second open slots are respectively matched with the two first open slots; the slide block in the upper side forming mechanism is movably embedded in the upper first open slot and the upper second open slot, and the slide block in the lower side forming mechanism is movably embedded in the lower first open slot and the lower second open slot.

Preferably, the upper side and the lower side of the rectangular mold frame are also embedded with a structural block, correspondingly, the inside of the first mold cavity is also fixed with two structural boxes, the two structural boxes are respectively arranged on the upper side and the lower side of the rectangular block, and the two structural blocks are respectively inserted into the two structural boxes; and the end part of each structural block is provided with a V-shaped groove.

Compared with the prior art, the utility model has the advantages that: according to the utility model, each component part contained in the whole plastic part can be molded at one time only by manufacturing one pair of the mold frames, so that the molded component parts can be used for smoothly assembling the whole plastic part, the mold frame manufacturing cost is greatly reduced, the production cost is reduced, and the materials and time are saved so as to avoid repeated expenditure of manpower, material resources and financial resources.

Drawings

FIG. 1 is a right front side exploded view of the present utility model;

fig. 2 is a right rear side exploded view of the present utility model.

Detailed Description

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

In order to keep the following description of the embodiments of the present utility model clear and concise, the detailed description of known functions and known components thereof have been omitted.

As shown in fig. 1 to 2, an injection molding frame comprises an end plate 1, a main template 2 fixed on the rear side of the end plate 1, a sub-template 4 arranged on the rear side of the main template 2 and matched with the main template 2, a bottom plate 5 fixed on the rear side of the sub-template 4, and an ejection device 6 arranged between the sub-template 4 and the bottom plate 5; the inner part of the rear side of the main template 2 is also embedded with a core plate 3, the rear side of the core plate 3 is also fixed with a rectangular template frame 8, correspondingly, the front side of the auxiliary template 4 is provided with a first die cavity 41, the bottom surface of the first die cavity 41 is outwards formed with a rectangular block 45, and the rectangular template frame 8 is inserted into the first die cavity 41 and sleeved outside the rectangular block 45; a plurality of core columns 10 which are transversely arranged are fixedly inserted into the rectangular block 45, and the front end of each core column 10 extends into the rectangular mold frame 8; the back side of the core plate 3 is outwards provided with a first convex module 33, correspondingly, the front side of the auxiliary die plate 4 is provided with a second die cavity 42, the first convex module 33 is inserted into the second die cavity 42, four pins 13 which are symmetrically arranged in pairs are also fixed on the end surface of the first convex module 33, correspondingly, the bottom surface of the second die cavity 42 is provided with four die holes 43 which are symmetrically arranged in pairs, and the four pins 13 are respectively inserted into the four die holes 43; the rear side of the core plate 3 is provided with a third die cavity 36 and two annular grooves 34, the two annular grooves 34 are respectively arranged on the upper side and the lower side of the third die cavity 36, correspondingly, the front side of the auxiliary die plate 4 is outwards provided with a second convex die 46 and two circular die cavities 47, the second convex die 46 is inserted into the third die cavity 36, the two circular die cavities 47 are respectively arranged on the upper side and the lower side of the second convex die 46 and are respectively matched with the two annular grooves 34, the upper side and the lower side of the third die cavity 36 are respectively provided with a symmetrically distributed side forming mechanism 9, and the two side forming mechanisms 9 are respectively arranged on the outer sides of the two annular grooves 34; the side forming mechanism 9 comprises a sliding block 91 movably embedded at the front side of the auxiliary die plate 4 to have the function of moving up and down, and a guide rod 92 obliquely inserted in the sliding block 91, wherein the front end of the guide rod 92 is fixed on the core plate 3, an extension part 911 is outwards formed at the inner side of the sliding block 91, and a stop block 912 is outwards formed at the end part of the extension part 911; the front side of the auxiliary template 4 is also provided with a runner 44, and the runner 44 is mutually communicated with the inner walls of the first die cavity 41, the second die cavity 42, the second convex die block 46 and the two circular die cavities 47.

The front side of the core plate 3 is provided with a sinking cavity 31, the upper edge of the front side of the core plate 3 is provided with a notch cavity 32, the sinking cavity 31 and the notch cavity 32 are respectively provided with a buffer mechanism 7, the buffer mechanism 7 comprises a plurality of seat blocks 71 which are overlapped and fixed from front to back in sequence, a plurality of buffer rods 72 which are transversely fixed on the seat block 71 at the rearmost side, and a plurality of buffer springs 73 which are arranged between the seat block 71 at the foremost side and the main template 2, and the end part of each buffer rod 72 penetrates through the sinking cavity 31 or the notch cavity 32 and extends out to the rear of the core plate 3.

The rear side of the main template 2 is provided with a structural cavity 21, the core plate 3 is embedded in the structural cavity 21, the front end of each buffer spring 73 is embedded in the bottom surface of the structural cavity 21, and the rear end of each buffer spring 73 is tightly propped against one seat block 71 at the forefront side.

The inner walls of the upper side and the lower side of the structural cavity 21 are respectively provided with a first open slot 22, correspondingly, the outer walls of the upper side and the lower side of the core plate 3 are respectively provided with a second open slot 35, and the two second open slots 35 are respectively matched with the two first open slots 22; the slider 91 in the upper one of the side shaping mechanisms 9 is movably fitted into the upper one of the first open grooves 22 and the second open groove 35, and the slider 91 in the lower one of the side shaping mechanisms 9 is movably fitted into the lower one of the first open grooves 22 and the second open groove 35.

The upper side and the lower side of the rectangular mold frame 8 are also embedded with a structural block 11, correspondingly, the inside of the first mold cavity 41 is also fixed with two structural boxes 12, the two structural boxes 12 are respectively arranged on the upper side and the lower side of the rectangular block 45, and the two structural blocks 11 are respectively inserted into the two structural boxes 12; each block 11 is provided with a V-shaped groove 111 at its end.

Working principle: the utility model is arranged on an injection molding machine, the end plate 1 is fixed on a moving mechanism of the injection molding machine, the bottom plate 5 is fixed on a stand of the injection molding machine so as to be kept motionless, and the moving mechanism of the injection molding machine drives the end plate 1 and the main template 2 to move together towards the direction of the auxiliary template 4 until the rear side of the main template 2 and the front side of the auxiliary template 4 are mutually spliced; then, the molten material enters into the pouring gate arranged in the end plate 1, then enters between the core plate 3 and the auxiliary template 4 through the main template 2 and is filled in the matched die cavity, a plastic piece is formed after cooling, and finally the plastic piece is ejected out by the ejection device 6, wherein the principles are all the prior art.

When the main die plate 2 and the auxiliary die plate 4 are mutually spliced, the end part of each buffer rod 72 firstly contacts the front side of the auxiliary die plate 4 and slides forwards under the action of the auxiliary die plate 4, so that a plurality of seat blocks 71 are driven to move forwards together, each buffer spring 73 is compressed, and the buffer effect is achieved to prevent the core plate 3 from impacting the auxiliary die plate 4; when the core plate 3 moves backward, the guide rod 92 in each side forming mechanism 9 forces the slide blocks 91 to move toward the third cavity 36 until the stoppers 912 on each slide block 91 come close toward the third cavity 36 to assist forming from the upper and lower sides; the third cavity 36 and the two annular grooves 34 cooperate with the second male mold piece 46 and the two circular mold pieces 47, respectively, to form the fitting a, the first cavity 41 and the rectangular block 45 cooperate with the rectangular mold frame 8 to form the fitting B, the first male mold piece 33 cooperates with the second cavity 42 and the four pins 13 cooperate with the four mold holes 43 to form the fitting C, and the fitting a, the fitting B and the fitting C can be assembled into a complete product.

According to the utility model, each component part contained in the whole plastic part can be molded at one time only by manufacturing one pair of the mold frames, so that the molded component parts can be used for smoothly assembling the whole plastic part, the mold frame manufacturing cost is greatly reduced, the production cost is reduced, and the materials and time are saved so as to avoid repeated expenditure of manpower, material resources and financial resources.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; while the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art will appreciate that modifications may be made to the techniques described in the foregoing embodiments, or that certain features may be substituted for those illustrated therein; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (5)

1. The injection molding die carrier comprises an end plate, a main die plate, an auxiliary die plate, a bottom plate and an ejection device, wherein the main die plate is fixed on the rear side of the end plate, the auxiliary die plate is arranged on the rear side of the main die plate and matched with the main die plate, the bottom plate is fixed on the rear side of the auxiliary die plate, and the ejection device is arranged between the auxiliary die plate and the bottom plate; a plurality of core columns which are transversely arranged are fixedly inserted into the rectangular block in a penetrating way, and the front end of each core column extends into the rectangular mold frame; the rear side of the core plate is externally provided with a first convex module, correspondingly, the front side of the auxiliary template is provided with a second die cavity, the first convex module is inserted into the second die cavity, four pins which are symmetrically arranged in pairs are also fixed on the end surface of the first convex module, correspondingly, the bottom surface of the second die cavity is provided with four die holes which are symmetrically arranged in pairs, and the four pins are respectively inserted into the four die holes; the rear side of the core plate is provided with a third die cavity and two annular grooves, the two annular grooves are respectively arranged on the upper side and the lower side of the third die cavity, correspondingly, the front side of the auxiliary die plate is outwards provided with a second convex die block and two circular die cavities, the second convex die block is inserted into the third die cavity, the two circular die cavities are respectively arranged on the upper side and the lower side of the second convex die block and are respectively matched with the two annular grooves, and the upper side and the lower side of the third die cavity are respectively provided with a side forming mechanism which is symmetrically distributed, and the two side forming mechanisms are respectively arranged on the outer sides of the two annular grooves; the side forming mechanism comprises a sliding block movably embedded at the front side of the auxiliary die plate and provided with a vertical movement function, and a guide rod obliquely inserted in the sliding block, wherein the front end of the guide rod is fixed on the core plate, an extending part is outwards formed at the inner side of the sliding block, and a stop block is outwards formed at the end part of the extending part; the front side of the auxiliary die plate is also provided with a runner, and the runner is communicated with the first die cavity, the second convex die block and the inner walls of the two circular die cavities.

2. An injection molding mold frame according to claim 1, wherein a sinking cavity is formed in the front side of the core plate, a notch cavity is formed in the edge above the front side of the core plate, a buffer mechanism is further arranged in the sinking cavity and the notch cavity, the buffer mechanism comprises a plurality of seat blocks which are sequentially overlapped and fixed from front to back, a plurality of buffer rods which are transversely fixed on a seat block at the rearmost side, and a plurality of buffer springs which are arranged between a seat block at the foremost side and the main mold plate, and the end part of each buffer rod penetrates through the sinking cavity or the notch cavity and extends out to the rear of the core plate.

3. An injection molding frame according to claim 2, wherein a structural cavity is formed in the rear side of the main mold plate, the core plate is embedded in the structural cavity, the front end of each buffer spring is embedded in the bottom surface of the structural cavity, and the rear end of each buffer spring is tightly propped against a seat block on the forefront side.

4. An injection molding frame according to claim 3, wherein the inner walls of the upper and lower sides of the structural cavity are respectively provided with a first open slot, and correspondingly, the outer walls of the upper and lower sides of the core plate are respectively provided with a second open slot, and the two second open slots are respectively matched with the two first open slots; the slide block in the upper side forming mechanism is movably embedded in the upper first open slot and the upper second open slot, and the slide block in the lower side forming mechanism is movably embedded in the lower first open slot and the lower second open slot.

5. An injection molding frame according to claim 4, wherein a structural block is further embedded in the upper and lower sides of the rectangular frame, and correspondingly, two structural boxes are further fixed in the first mold cavity, the two structural boxes are respectively arranged on the upper and lower sides of the rectangular block, and the two structural blocks are respectively inserted into the two structural boxes; and the end part of each structural block is provided with a V-shaped groove.

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