CN110900967A

CN110900967A - Mould convenient to drawing of patterns moulds plastics

Info

Publication number: CN110900967A
Application number: CN201911171140.4A
Authority: CN
Inventors: 鲁福章
Original assignee: Changxing Luyi Mould Co Ltd
Current assignee: Changxing Luyi Mould Co Ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-03-24

Abstract

The invention discloses a mold convenient for injection molding and demolding, which comprises an injection mold, wherein a frame is fixedly connected to the lower end of an operating platform, limiting rods are fixedly connected to the left inner cavity and the right inner cavity of the operating platform, sliding blocks are in clearance fit with the outer walls of the limiting rods, the sliding blocks penetrate through the operating platform and are fixedly connected with a first lower mold and a second lower mold respectively, and the sliding blocks are in clearance fit with the operating platform. This mould convenient to drawing of patterns moulds plastics, through first bed die, the second bed die, go up the connection cooperation of mould and screw, after avoiding work piece injection moulding, the work piece glues on the mould, the inconvenient condition of taking out, through the spring, the connection cooperation of first straight piece and third straight rod, the inconvenient condition of removing of bed die about avoiding appearing, through the worm, the cooperation of being connected of worm wheel and disc has, avoid the work piece to break away from the back with the mould successfully, the work piece high temperature, the inconvenient condition of taking.

Description

Mould convenient to drawing of patterns moulds plastics

Technical Field

The invention relates to the technical field of molds, in particular to a mold convenient for injection molding and demolding.

Background

The injection molding is also called injection molding, and is a molding method combining injection molding and molding, and the injection mold has the advantages of high production speed, high efficiency, various colors and varieties and the like.

But present injection mold is after the work piece shaping, and the fashioned work piece takes out comparatively inconvenient for work efficiency reduces, the processing production work piece that can not maximize, and its mode of taking out the work piece is mostly the manual work and enters the inside and get moreover, and is comparatively dangerous, and the just fashioned work piece temperature of work piece is higher simultaneously, and is inconvenient to get with the hand.

Disclosure of Invention

The invention aims to provide a mold convenient for injection molding and demolding, and aims to solve the problems that after a workpiece is molded, the molded workpiece is inconvenient to take out, the working efficiency is reduced, and the workpiece cannot be processed and produced to the maximum degree in the conventional injection mold in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a mould convenient for injection moulding demoulding comprises an injection mould;

the injection mold comprises an operation table, a first lower mold, a second lower mold, an upper mold, a first straight rod, a groove, a screw, a sealing bearing, a sliding block and a limiting rod;

the lower extreme rigid coupling of operation panel has the shelf, the equal rigid coupling of inner chamber has the gag lever post about the operation panel, the outer wall clearance fit of gag lever post has the slider, the slider runs through the operation panel respectively with first bed die and second bed die fixed connection, slider and operation panel clearance fit, the upper end of first bed die and second bed die all processes flutedly, the inner wall clearance fit of recess has first straight-bar, the top rigid coupling of first straight-bar has last mould, the inboard clearance fit in both ends has the second straight-bar about going up the mould, the lower extreme rigid coupling of second straight-bar has a straight section of thick bamboo, the lower extreme rigid coupling of a straight section of thick bamboo has the shelf, the lower extreme rigid coupling of shelf has the base, the inboard of first bed die and second bed die is equipped with the screw rod, the screw rod passes through sealed bearing and excessively operation panel and base rotation connection respectively.

Preferably, the center of the operation table vertically corresponds to the center of the screw.

Preferably, the outer diameter of the first straight rod is 0.25CM-0.5CM smaller than the inner diameter of the groove.

Preferably, a reset component is arranged on the outer side of the straight cylinder;

the reset assembly comprises a third straight rod, a first spring and a first straight block;

the left side the right side rigid coupling of third straight-bar has first bed die, and the right side the left side rigid coupling of third straight-bar has the second bed die, the third straight-bar runs through straight section of thick bamboo and first straight piece fixed connection, third straight-bar and straight section of thick bamboo clearance fit, the inboard rigid coupling of first straight piece has the spring, the inboard rigid coupling of spring has straight section of thick bamboo, the inboard and the third straight-bar clearance fit of spring.

Preferably, the springs are symmetrical with respect to the center of the straight cylinder.

Preferably, a driving assembly is arranged on the inner side of the frame;

the driving assembly comprises a worm, a first bearing, a worm wheel and a disc;

the worm rotates with the shelf through first bearing and is connected, the front end meshing of worm has the worm wheel, the inboard rigid coupling of worm wheel has the screw rod, the left side rigid coupling of worm has the disc.

Compared with the prior art, the invention has the beneficial effects that: compared with the prior art, the mold convenient for injection molding and demolding has several advantages;

through the connection cooperation of first bed die, second bed die, last mould and screw rod, make it accomplish after moulding plastics, go up the mould and rise and break away from fashioned work piece, remove about first bed die and second bed die respectively simultaneously, break away from fashioned work piece, the screw rod is rotatory ejecting with the work piece rotation this moment, conveniently takes out the work piece, after avoiding work piece injection moulding, the work piece glues on the mould, the inconvenient condition of taking out.

Through the connection cooperation of spring, first straight piece and third straight pole, make things convenient for first bed die and second bed die to remove about, separate mould and fashioned work piece, avoid appearing the inconvenient condition of removing of bed die about.

The worm, the worm wheel and the disc are connected and matched, so that the screw rod is convenient to rotate, the formed workpiece sleeved at the upper end of the screw rod is ejected out in a rotating mode, and the situation that the workpiece is inconvenient to take due to overhigh temperature after the workpiece is successfully separated from a die is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the screw, the first lower mold and the second lower mold of FIG. 1;

FIG. 3 is a schematic view of the worm, worm gear and rack of FIG. 1;

fig. 4 is a schematic structural view of the sliding block, the limiting rod and the operating platform in fig. 1.

In the figure: 1. the injection mold comprises an injection mold body, 101, an operation table, 102, a first lower mold body, 103, a second lower mold body, 104, an upper mold body, 105, a first straight rod, 106, a groove, 107, a screw rod, 108, a sealing bearing, 109, a sliding block, 110, a limiting rod, 2, a second straight rod, 3, a reset component, 301, a third straight rod, 302, a first spring, 303, a first straight block, 4, a driving component, 401, a worm, 402, a first bearing, 403, a worm wheel, 404, a disc, 5, a frame, 6, a base, 7 and a straight cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a mold convenient for injection molding and demolding comprises an injection mold 1, wherein the injection mold 1 comprises an operation table 101, a first lower mold 102, a second lower mold 103, an upper mold 104, a first straight rod 105, a groove 106, a screw 107, a sealing bearing 108, a sliding block 109 and a limiting rod 110, a frame 5 is fixedly connected to the lower end of the operation table 101, the limiting rod 110 is fixedly connected to the left inner cavity and the right inner cavity of the operation table 101, the sliding block 109 is in clearance fit with the outer wall of the limiting rod 110, penetrates through the operation table 101 and is fixedly connected with the first lower mold 102 and the second lower mold 103 respectively, the sliding block 109 is in clearance fit with the operation table 101, the groove 106 is machined in the upper ends of the first lower mold 102 and the second lower mold 103, the first straight rod 105 is in clearance fit with the inner wall of the groove 106, the upper mold 104 is fixedly connected to the top end of the first straight rod 105, and the lower end of the groove 106 are inclined outwards, so, the first lower die 102 and the second lower die 103 can be driven to move inwards, the second straight rod 2 is in clearance fit with the inner sides of the left end and the right end of the upper die 104, the lower end of the second straight rod 2 is fixedly connected with the straight cylinder 7, the lower end of the straight cylinder 7 is fixedly connected with the rack 5, the lower end of the rack 5 is fixedly connected with the base 6, the inner sides of the first lower die 102 and the second lower die 103 are provided with the screw rods 107, the screw rods 107 are respectively connected with the operating platform 101 and the base 6 in a rotating mode through the sealing bearings 108, the center of the operating platform 101 vertically corresponds to the center of the screw rods 107, the outer diameter of the first straight rod 105 is smaller than the inner diameter of the groove 106 by 0.25CM-0.5CM, the first straight rod 105 can be conveniently moved downwards to enter the groove 106 to move, and meanwhile the first.

The outside of straight section of thick bamboo 7 is equipped with reset assembly 3, reset assembly 3 includes third straight-bar 301, first spring 302 and first straight piece 303, the right side rigid coupling of left side third straight-bar 301 has first bed die 102, the left side rigid coupling of right side third straight-bar 301 has second bed die 103, third straight-bar 301 runs through straight section of thick bamboo 7 and first straight piece 303 fixed connection, third straight-bar 301 and straight section of thick bamboo 7 clearance fit, the inboard rigid coupling of first straight piece 301 has spring 302, the inboard rigid coupling of spring 302 has straight section of thick bamboo 7, the inboard and the third straight-bar 301 clearance fit of spring 302, spring 302 uses the center of straight section of thick bamboo 102 as the benchmark bilateral symmetry, it makes things convenient for the balanced removal of the bed die of the left and right sides.

The driving assembly 4 is arranged on the inner side of the frame 5, the driving assembly 4 comprises a worm 401, a first bearing 402, a worm wheel 403 and a disc 404, the worm 401 is rotatably connected with the frame 5 through the first bearing 402, the worm wheel 403 is meshed at the front end of the worm 401, a screw 107 is fixedly connected to the inner side of the worm wheel 403, and the disc 404 is fixedly connected to the left side of the worm 401.

When the injection mold is needed to be used for injection molding, an injection port on an upper mold 104 is connected with an injection port for injection molding, meanwhile, an injection device drives the upper mold 104 to move up and down, the upper mold 104 moves downwards, a first straight rod 105 moves downwards towards grooves on a lower mold 102 and a second lower mold 103 on the left and right sides, the first lower mold 102 and the second lower mold 103 on the two sides are driven to move inwards, the first lower mold 102 and the second lower mold 103 are attached to form a complete lower mold, meanwhile, the upper mold 104 is simultaneously attached to the lower mold, then the injection device performs injection molding on the upper mold, when the upper mold 104 is pressed downwards, the lower mold is completely attached to an operation table 101, after the injection molding is completed, the upper mold 104 is driven upwards by the injection device to be separated from the formed mold, meanwhile, the lower mold is driven by a third straight rod 301 on the two sides to move outwards, the separating is carried out, when the left lower die and the right lower die of the third straight rod 301 move inwards, the third straight rod 301 is matched with the compressed spring 302 to rebound for driving, the spring 302 rebounds to push the first straight rod 303 outwards, the first straight rod 303 drives the third straight rod 301 to move outwards, after the third straight rod is moved leftwards and rightwards, the worm 401 is driven to rotate through the rotating disc, the worm 401 drives the worm wheel 403 to rotate, the worm wheel 403 drives the screw rod 107 to rotate, the screw rod 107 is rotationally matched with the front and rear walls of the first lower die 102 and the second lower die to rotationally eject out a formed workpiece, at the moment, the workpiece can be clamped by using a tool clamp, and the problem that a worker needs to manually separate and take out.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mould convenient to drawing of patterns moulds plastics which characterized in that: comprises an injection mould (1);

the injection mold (1) comprises an operating table (101), a first lower mold (102), a second lower mold (103), an upper mold (104), a first straight rod (105), a groove (106), a screw (107), a sealing bearing (108), a sliding block (109) and a limiting rod (110);

the lower end of the operating platform (101) is fixedly connected with a frame (5), a limiting rod (110) is fixedly connected with a left inner cavity and a right inner cavity of the operating platform (101), a sliding block (109) is in clearance fit with the outer wall of the limiting rod (110), the sliding block (109) penetrates through the operating platform (101) and is fixedly connected with a first lower die (102) and a second lower die (103) respectively, the sliding block (109) is in clearance fit with the operating platform (101), grooves (106) are machined in the upper ends of the first lower die (102) and the second lower die (103), a first straight rod (105) is in clearance fit with the inner wall of each groove (106), an upper die (104) is fixedly connected with the top end of the first straight rod (105), a second straight rod (2) is in clearance fit with the inner sides of the left end and the right end of the upper die (104), a straight cylinder (7) is fixedly connected with the lower end of the second straight rod (2), the frame (5) is fixedly, the lower extreme rigid coupling of shelf (5) has base (6), the inboard of first bed die (102) and second bed die (103) is equipped with screw rod (107), screw rod (107) are too respectively operation panel (101) and base (6) rotation connection through sealed bearing (108).

2. The mold for facilitating injection molding and demolding as claimed in claim 1, wherein: the center of the operating platform (101) vertically corresponds to the center of the screw (107).

3. The mold for facilitating injection molding and demolding as claimed in claim 1, wherein: the outer diameter of the first straight rod (105) is 0.25-0.5 CM smaller than the inner diameter of the groove (106).

4. The mold for facilitating injection molding and demolding as claimed in claim 1, wherein: a reset component (3) is arranged on the outer side of the straight cylinder (7);

the reset assembly (3) comprises a third straight rod (301), a first spring (302) and a first straight block (303);

the left side the right side rigid coupling of third straight-bar (301) has first bed die (102), the right side the left side rigid coupling of third straight-bar (301) has second bed die (103), third straight-bar (301) run through straight section of thick bamboo (7) and first straight piece (303) fixed connection, third straight-bar (301) and straight section of thick bamboo (7) clearance fit, the inboard rigid coupling of first straight piece (301) has spring (302), the inboard rigid coupling of spring (302) has straight section of thick bamboo (7), the inboard and third straight-bar (301) clearance fit of spring (302).

5. The mold for facilitating injection molding and demolding as claimed in claim 4, wherein: the springs (302) are bilaterally symmetrical with respect to the center of the straight cylinder (102).

6. The mold for facilitating injection molding and demolding as claimed in claim 1, wherein: a driving component (4) is arranged on the inner side of the frame (5);

the driving assembly (4) comprises a worm (401), a first bearing (402), a worm wheel (403) and a disc (404);

worm (401) are rotated with shelf (5) through first bearing (402) and are connected, the front end meshing of worm (401) has worm wheel (403), the inboard rigid coupling of worm wheel (403) has screw rod (107), the left side rigid coupling of worm (401) has disc (404).