CN214926639U

CN214926639U - Multi-cavity injection mold

Info

Publication number: CN214926639U
Application number: CN202121288224.9U
Authority: CN
Inventors: 李敬
Original assignee: Chongqing Yuanzhou Auto Parts Co ltd
Current assignee: Chongqing Yuanzhou Auto Parts Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-11-30
Anticipated expiration: 2031-06-09

Abstract

The utility model relates to a multi-cavity injection mold, including last mould and lower mould, be equipped with the mold core in the die cavity of last mould, the die cavity has a plurality ofly, is equipped with down the mold core in the lower mould, be equipped with the member down in the mold core, member one end is equipped with screw thread portion, and the other end is equipped with tooth portion, wear to be equipped with the rack in the lower mould, the tooth portion meshing of rack and many members, screw thread portion is arranged in the die cavity, the mold core has defeated material passageway down, defeated material passageway and die cavity intercommunication, be equipped with the material runner in the lower mould, material passageway and defeated material passageway intercommunication. The utility model discloses a many die cavities injection mold can make screw thread portion break away from the mould through the rotation mode, can realize that a plurality of member rotate the drawing of patterns in step to production efficiency has been promoted.

Description

Multi-cavity injection mold

Technical Field

The utility model relates to an injection mold technical field, in particular to multi-cavity injection mold.

Background

Injection molds typically have only one cavity for product molding. In order to improve the product forming efficiency, a multi-cavity injection mold is also arranged in the prior art, and a plurality of products are synchronously subjected to injection molding. For example, patent No. CN212045728U discloses a multi-cavity optical lens injection mold, which has a plurality of cavities, and ejects the product through ejector pins after the product is molded. However, since a threaded insert is required for molding a product having a threaded hole, the product cannot be directly pushed out by the thimble during demolding, and therefore manual demolding is required, which reduces production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve prior art's problem, provide a can be convenient for the screw thread product drawing of patterns, effectively promote production efficiency's multimode chamber injection mold.

The specific technical scheme is as follows: the utility model provides a multimode chamber injection mold, includes mould and lower mould, is equipped with the mold core in the die cavity of last mould, and the die cavity has a plurality ofly, is equipped with down the mold core in the lower mould, be equipped with the member down in the mold core, member one end is equipped with screw thread portion, and the other end is equipped with tooth portion, wear to be equipped with the rack in the lower mould, the rack meshes with the tooth portion of many members, screw thread portion is arranged in the die cavity, the mold core has defeated material passageway down, defeated material passageway and die cavity intercommunication, be equipped with the material runner in the lower mould, material passageway and defeated material passageway intercommunication.

Preferably, the lower mold core has a tapered hole, and the tapered hole is disposed corresponding to the tapered portion of the rod.

As the preferred scheme, the material runner comprises a feeding channel, a distribution channel and a feeding channel, wherein the feeding channel is communicated with a plurality of distribution channels, the distribution channel is communicated with a plurality of feeding channels, and the feeding channel is communicated with a material conveying channel.

Preferably, a boss is arranged in the die cavity and corresponds to the thread portion.

As a preferred scheme, the feeding channel is vertically arranged, and the diversion channel and the feeding channel are horizontally arranged.

Preferably, the plurality of mold cavities are arranged in a line.

Preferably, the rack has a plurality of racks.

The technical effects of the utility model: the utility model discloses a many die cavities injection mold can make screw thread portion break away from the mould through the rotation mode, can realize that a plurality of member rotate the drawing of patterns in step to production efficiency has been promoted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a multi-cavity injection mold according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of the upper mold core and the lower mold core according to the embodiment of the present invention.

Fig. 3 is a schematic view of the upper mold core and the lower mold core according to the embodiment of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.

Fig. 5 is a schematic view of a material passage according to an embodiment of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

As shown in fig. 1 to 5, the multi-cavity injection mold of the present embodiment includes an upper mold 1 and a lower mold 2, wherein an upper mold core 3 is disposed in a mold cavity 11 of the upper mold 1, a plurality of mold cavities 11 are provided, and a lower mold core 4 is disposed in the lower mold 2. The lower mold core 4 is provided with a rod 5, one end of the rod 5 is provided with a threaded part 51, and the other end of the rod is provided with a tooth part 52. The lower die 2 is provided with a rack 6, the rack 6 is meshed with the tooth parts 52 of the plurality of rods 5, and the thread part 51 is positioned in the die cavity 11. The lower mold core 4 is provided with a material conveying channel 41, the material conveying channel 41 is communicated with the mold cavity 11, a material flow passage 6 is arranged in the lower mold 2, and the material passage 6 is communicated with the material conveying channel 41. Among the above-mentioned technical scheme, through setting up a plurality of die cavities 11, can carry out a plurality of product injections in step, promote the efficiency of moulding plastics. By providing the material passage 6 and the feed passage 41, material can be fed into the cavity 11 through the passages. The threaded portion 51 is provided through one end of the rod 5 and inserted into the mold cavity, so that the molded product has an internal thread. The toothed part 52 at one end of the rod 5 is meshed with the rack, so that the toothed part can be driven to rotate through the movement of the rack, the rod 5 is rotated, and the threaded part 51 is disengaged from the product. Through above-mentioned technical scheme, can drive many member through rack 6, realize the synchronous drawing of patterns of a plurality of products, promote drawing of patterns efficiency.

In this embodiment, the lower mold core 4 has a tapered hole 42, and the tapered hole 42 is disposed corresponding to the tapered portion 53 of the rod 5, so that the rod 5 is supported by the lower mold core 4. In this embodiment, the material flow channel 6 includes a feeding channel 61, a diversion channel 62 and a feeding channel 63, the feeding channel 61 is communicated with a plurality of diversion channels 62, the diversion channel 62 is communicated with a plurality of feeding channels 63, and the feeding channel 63 is communicated with a material conveying channel 41. Through above-mentioned technical scheme, the melting material gets into through a pan feeding passageway 61, then flows to equidirectional through reposition of redundant personnel passageway 62, then gets into each die cavity 11 through feedstock channel 63 to can promote feed efficiency. The die cavity 11 is provided with a boss 111, and the boss 111 and the thread part 51 are correspondingly arranged, so that the material enters the boss and then surrounds the boss, and a hole communicated with the internal thread is formed after solidification.

In this embodiment, pan feeding passageway 61 is vertical to be set up, reposition of redundant personnel passageway 62 and feedstock channel 63 level set up to the passageway setting of being convenient for practices thrift the space. In this embodiment, the plurality of cavities 11 are arranged in a line, thereby enabling one rack to mesh with a plurality of teeth portions. The racks are multiple, so that the multiple groups of rod pieces 5 can be synchronously driven to rotate.

The multi-cavity injection mold of the embodiment can enable the threaded portion to be separated from the mold through a rotating mode, and can realize synchronous rotation and demolding of a plurality of rod pieces, so that the production efficiency is improved.

The multi-cavity injection mold of the present invention has been described above, but the present invention is not limited to the above specific embodiments, and various modifications and changes can be made without departing from the scope of the claims. The present invention includes various modifications and alterations within the scope of the claims.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a multimode chamber injection mold, includes mould and lower mould, is equipped with the mold core in the die cavity of last mould, and the die cavity has a plurality ofly, is equipped with down the mold core in the lower mould, its characterized in that, be equipped with the member down in the mold core, member one end is equipped with screw thread portion, and the other end is equipped with tooth portion, wear to be equipped with the rack in the lower mould, the rack meshes with the tooth portion of many members, screw thread portion is arranged in the die cavity, the mold core has defeated material passageway down, defeated material passageway and die cavity intercommunication, be equipped with the material runner in the lower mould, material passageway and defeated material passageway intercommunication.

2. A multi-cavity injection mold according to claim 1, wherein the lower mold core has a tapered bore, the tapered bore corresponding to the tapered portion of the stem.

3. A multi-cavity injection mold as defined in claim 2, wherein the material flow path comprises a feed channel, a distribution channel and a feed channel, the feed channel being in communication with the plurality of distribution channels, the distribution channel being in communication with the plurality of feed channels, the feed channel being in communication with the feed channel.

4. A multi-cavity injection mold according to claim 3, wherein a boss is provided in the cavity, the boss corresponding to the threaded portion.

5. The multi-cavity injection mold of claim 4, wherein the feed channel is vertically disposed and the diversion channel and the feed channel are horizontally disposed.

6. A multi-cavity injection mold according to claim 5, wherein the plurality of cavities are arranged in a straight line.

7. The multi-cavity injection mold of claim 6, wherein there are a plurality of said racks.