CN214872362U

CN214872362U - Multi-cavity mold

Info

Publication number: CN214872362U
Application number: CN202121668207.8U
Authority: CN
Inventors: 杨胜友; 张双全; 罗光洪; 郭清松
Original assignee: Kangtai Plastic Science and Technology Group Co Ltd
Current assignee: Kangtai Plastic Technology Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-11-26
Anticipated expiration: 2031-07-21

Abstract

The utility model relates to the technical field of mold, a multi-cavity mold is provided, including last mould and lower mould, the bottom lateral wall of going up the mould or the top lateral part of lower mould is provided with the gear, the both sides meshing of gear is provided with first rack and second rack, first rack and last mould fixed connection, second rack and lower mould fixed connection, the outside of first rack and second rack is provided with support the two tightly in the spacing subassembly of gear, spacing subassembly include that the wainscot sets up in first stopper, the wainscot in the first rack outside set up in the second stopper in the second rack outside and span the third stopper of connecting first stopper and second stopper. The utility model discloses a be provided with spacing subassembly in the outside of first rack and second rack, in long-term use, gear and rack can not only remain the state of pasting tight meshing each other all the time under spacing subassembly's effect, but also can play the guide effect.

Description

Multi-cavity mold

Technical Field

The utility model relates to the technical field of molds, particularly, relate to a multi-cavity mold.

Background

The injection mold can be divided into a single parting surface injection mold and a multi-parting surface injection mold according to the parting surface of the mold, and when a double-layer mold is adopted for producing thin-wall shallow cavity parts or sheet-shaped plastic parts, the yield can be improved by about one time by the same main machine, so that the water, electricity and wage cost are saved, and the injection mold is a very beneficial thing. Convenient application, and is suitable for domestic popularization and application.

The prior patent CN102152445A entitled "longitudinal double-layer injection mold and its using method" discloses a mold including a top plate, a pressure plate, a fixed mold, an injection interface, an injection runner, an injection opening insert, a first rack, a gear, a first movable mold, a second movable mold, a gate, a runner, a second rack, a first cavity, and a second cavity. The gear drives the first rack and the second rack to move, the gear drives the first movable die to move, the second rack drives the second movable die to move, and the first movable die and the second movable die are matched in the direction of the top plate; injecting a melt into the injection runner by the injection molding machine through the injection molding interface; the molten material enters a first cavity and a second cavity through a runner and a sprue for filling; after cooling, the gear drives the first rack and the second rack to move, the gear drives the first movable die to move, the second rack drives the second movable die to move, die opening is completed, the workpiece is taken out, and injection molding is completed. The using method of the mold is simple, one mold with multiple cavities can be realized, and the cost is reduced, but the mold has the following defects:

the two sides of the rack are lack of limit, and in the long-term working process, the condition that the rack is stressed and is inclined and displaced outwards possibly occurs, so that the gear and the rack slip, and the die can not be normally opened and closed.

Therefore, how to solve the above problems becomes a focus of research by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-cavity mold to solve the not enough problem of prior art.

The embodiment of the utility model discloses a realize through following technical scheme:

the utility model provides a multi-cavity mold, includes mould and lower mould, and the bottom lateral wall of going up the mould or the top lateral part of lower mould is provided with the gear, the both sides meshing of gear is provided with first rack and second rack, first rack and last mould fixed connection, second rack and lower mould fixed connection, the outside of first rack and second rack be provided with support the two tightly in the spacing subassembly of gear.

Furthermore, the limiting assembly comprises a first limiting block, a second limiting block and a third limiting block, wherein the veneering surface of the first limiting block is arranged on the outer side of the first rack, the veneering surface of the second limiting block is arranged on the outer side of the second rack, and the third limiting block stretches over and connects the first limiting block and the second limiting block.

Furthermore, a first rotating wheel attached to the first rack is arranged on the first limiting block in a rotating mode, and a second rotating wheel attached to the second rack is arranged on the second rack in a rotating mode.

Furthermore, the first rack is provided with a first rail groove matched with the first rotating wheel, and the second rack is provided with a second rail groove matched with the second rotating wheel.

Furthermore, the upper die and/or the lower die are/is provided with a limiting mechanism for limiting the opening and closing stroke of the upper die and the lower die.

Furthermore, the limiting mechanism comprises a waist-shaped hole frame which is arranged in parallel along the opening and closing direction of the upper die and the lower die, and a limiting pin shaft which is fixed with the upper die and/or the lower die is arranged in the waist-shaped hole frame.

Furthermore, a movable roller is sleeved on the limiting pin shaft.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

the utility model discloses a be provided with spacing subassembly in the outside of first rack and second rack, in long-term use, gear and rack can not only remain the state of pasting tight meshing each other all the time under spacing subassembly's effect, but also can play the guide effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a multi-cavity mold according to embodiment 1 of the present invention.

Icon: 1-upper die, 2-lower die, 3-gear, 4-first rack, 5-second rack, 6-limiting component, 601-first limiting block, 602-second limiting block, 603-third limiting block, 604-first rotating wheel, 605-second rotating wheel, 7-rail groove, 8-limiting mechanism, 801-kidney-shaped hole frame, 802-limiting pin shaft and 803-movable roller.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, this embodiment provides a multi-cavity mold, including last mould 1, lower mould 2 and die sinking subassembly, the die sinking subassembly sets up the front and back side at this multi-cavity mold, and is provided with at least a set of die sinking subassembly on every side, preferably two sets of in this embodiment, every group the die sinking subassembly include gear 3, first rack 4 and second rack 5, gear 3 installs in last mould 1, just first rack 4 and the meshing of second rack 5 set up in the left and right sides of gear 3, first rack 4 passes through screw and last mould 1 fixed connection, second rack 5 passes through screw and lower mould 2 fixed connection, screw connection so that change the rack of wearing and tearing, the outside of first rack 4 and second rack 5 be provided with the two support tightly in the spacing subassembly 6 of gear 3.

The limiting assembly 6 comprises a first limiting block 601 arranged on the outer side of the first rack 4, a second limiting block 602 arranged on the outer side of the second rack 5 and a third limiting block 603 spanning and connecting the first limiting block 601 and the second limiting block 602, a groove is formed in the side, facing the first rack 4, of the first limiting block 601, a first rotating wheel 604 is pivotally mounted in the groove, a rail groove 7 is formed in the side, facing the first limiting block 601, of the first rack 4, a first roller is attached to the inside of the rail groove 7, a second rotating wheel 605 is also rotationally arranged on the side, facing the second limiting block 602, of the second limiting block 602, a rail groove 7 is formed in the side, facing the second limiting block 602, of the second rack 5, and the second rotating wheel 605 is attached to the inside of the rail groove 7.

As can be seen from the above, when the gear 3 rotates clockwise, the upper mold 1 and the lower mold 2 can be opened by the first rack 4 and the second rack 5, and when the gear 3 rotates counterclockwise, the upper mold 1 and the lower mold 2 can be closed by the first rack 4 and the second rack 5. In addition, because the outside at first rack 4 and second rack 5 supports tightly to be provided with the stopper, and with rolling friction's mode relative motion between stopper and the rack, in guaranteeing the use, when first rack 4 and second rack 5 and gear 3 engaged with all the time, wearing and tearing are little between first rack 4 and second rack 5 and the stopper, increase of service life.

In addition, in order to limit the opening stroke of the upper die 1 and the lower die 2, the upper die 1 and/or the lower die 2 is/are provided with a limiting mechanism 8 for limiting the opening and closing stroke of the upper die 1 and the lower die 2. The limiting mechanism 8 comprises a waist-shaped hole frame 801 arranged in parallel along the opening and closing direction of the upper die 1 and the lower die 2, a limiting pin shaft 802 fixed with the upper die 1 and/or the lower die 2 is arranged in the waist-shaped hole frame 801, and a movable roller 803 is sleeved on the limiting pin shaft 802.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a multi-cavity mold, includes mould (1) and lower mould (2), goes up the bottom lateral wall of mould (1) or the top lateral part of lower mould (2) and is provided with gear (3), the both sides meshing of gear (3) is provided with first rack (4) and second rack (5), first rack (4) and last mould (1) fixed connection, second rack (5) and lower mould (2) fixed connection, its characterized in that:

and a limiting component (6) which tightly abuts against the gear (3) is arranged on the outer sides of the first rack (4) and the second rack (5).

2. A multi-cavity mold according to claim 1, wherein: the limiting assembly (6) comprises a first limiting block (601) arranged on the outer side of the first rack (4) in a veneering manner, a second limiting block (602) arranged on the outer side of the second rack (5) in a veneering manner, and a third limiting block (603) connected with the first limiting block (601) and the second limiting block (602) in a spanning manner.

3. A multi-cavity mold according to claim 2, wherein: a first rotating wheel (604) attached to the first rack (4) is rotatably arranged on the first limiting block (601), and a second rotating wheel (605) attached to the second rack (5) is rotatably arranged on the second rack (5).

4. A multi-cavity mold according to claim 3, wherein: the first rack (4) is provided with a first rail groove (7) matched with the first rotating wheel (604), and the second rack (5) is provided with a second rail groove (7) matched with the second rotating wheel (605).

5. A multi-cavity mold according to claim 1, wherein: the upper die (1) and/or the lower die (2) are/is provided with a limiting mechanism (8) for limiting the opening and closing stroke of the upper die (1) and the lower die (2).

6. A multi-cavity mold according to claim 5, wherein: the limiting mechanism (8) comprises a waist-shaped hole frame (801) arranged in parallel along the opening and closing directions of the upper die (1) and the lower die (2), and a limiting pin shaft (802) fixed with the upper die (1) and/or the lower die (2) is arranged in the waist-shaped hole frame (801).

7. The multi-cavity mold of claim 6, wherein: the limiting pin shaft (802) is sleeved with a movable roller (803).