CN212888690U

CN212888690U - Compact inner slide mechanism for mold

Info

Publication number: CN212888690U
Application number: CN202021301672.3U
Authority: CN
Inventors: 郭荣灼; 卢荣江
Original assignee: Dongguan Yuxin Plastic Mould Co ltd
Current assignee: Dongguan Yuxin Plastic Mould Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-04-06
Anticipated expiration: 2030-07-06

Abstract

The utility model belongs to the technical field of the mould technique and specifically relates to indicate a slide mechanism in compact for mould. The lower die holder is provided with a slide column inserted in the lower die plate, the side face of the slide column is provided with at least two inclined planes and an inner shrinkage block sliding on the inclined planes, the inner shrinkage block is provided with a butt joint rod and an elastic piece used for driving the butt joint rod to be close to the slide column, one end of the butt joint rod is connected with the front side face of the inner shrinkage block, and the other end of the butt joint rod protrudes out of the back face of the inner shrinkage block. The inner shrinkage block slides along the inclined plane of the line position column and moves backwards, the butt rod does not immediately follow the inner shrinkage block to move backwards, after the line position column moves downwards to a certain distance, the butt rod moves backwards due to the pushing of the elastic piece to enable a product to be completely demoulded, the whole structure is simple and reliable, and the delay back of the butt rod moves to achieve a good product deformation prevention effect.

Description

Compact inner slide mechanism for mold

Technical Field

The utility model belongs to the technical field of the mould technique and specifically relates to indicate a slide mechanism in compact for mould.

Background

The die is various dies 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. During the mould is made, the drawing of patterns structural design behind the back-off product shaping all lets the producer entangle the juice completely, and every producer all has the structural design of the drawing of patterns that contracts of oneself, and the drawing of patterns structural design of the back-off product on the market is all comparatively complicated at present, and the abnormal conditions appears easily when the more drawing of patterns of spare part, and when the inner wall area of back-off product is great, the condition that the internal face of dragging leads to the product to warp can appear when laminating in the internal contraction piece of this internal face directly backward movement takes place. The manufacturing cost is increased due to more parts with the inward-shrinkage structure, and meanwhile, the yield is low.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a slide mechanism in compact for mould, the inclined plane of the interior piece of contracting along the slide of slide post and backward movement, and the butt pole does not follow the piece that contracts backward immediately, moves down a certain distance after the slide post, and the butt pole just shifts backward because of the promotion of elastic component and lets the complete drawing of patterns of product, and overall structure is simple and easy reliable, and the delay of butt pole is shifted up to fine product deformation prevention effect.

In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a position mechanism that moves in compact for mould, includes the die holder and sets up in the thimble board and the lower bolster of die holder, and this thimble board passes through the guide pillar and is connected with the lower bolster, the die holder is provided with the position post of going of pegging graft in the lower bolster, and the side of this position post of going is provided with two at least inclined planes and slides in the piece that contracts in the inclined plane, the piece that contracts in is provided with the butt rod and is used for driving the elastic component that the butt rod is close to the position post of going, and the leading flank of the piece that contracts in is connected to the one end of this butt rod, and the other end protrusion of butt rod contracts the back.

Preferably, the inclined plane protrusion is provided with a slide rail, and the inner contracting block is provided with a slide groove buckled on the slide rail.

Preferably, the inner contraction block is provided with a containing room, the abutting rod penetrates through the containing room, the elastic piece is located in the containing room and is sleeved on the abutting rod, one end of the elastic piece abuts against the inner wall surface of the containing room, and the other end of the elastic piece pushes the abutting rod.

Preferably, the inclined plane is provided with a groove with a shallow upper part and a deep lower part, and one end of the abutting rod, which is positioned on the back surface of the inner retraction block, extends into the groove.

Preferably, the surface of one end, located on the back surface of the inner contraction block, of the abutting rod is an arc surface.

The beneficial effects of the utility model reside in that: the utility model provides a compact interior line position mechanism for mould, in the actual manufacturing process, the thimble board drives the line position post and reciprocates, the line position post moves down and impels the interior piece that contracts to slide along the inclined plane of line position post and backward move, the rear end of butt-joint pole still does not have the space backward of a side butt pole of butt-joint pole when the line position post moves down initially, only the piece that contracts backward and the front end of butt-joint pole still supports the internal face of product in the initial course of moving down of line position post, when the line position post moves down completely, namely the rear end of butt-joint pole has the space of retreating, the elastic component drive butt-joint pole moves backward and vacates the space for the complete drawing of patterns of product. The structure that contracts in wholly is simple and easy reliable, and the delay of butt pole moves backward the design fine prevent that the product is out of shape, and the practicality is strong.

Drawings

Fig. 1 is a schematic side view of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is a schematic side view of the mold stripping of the present invention.

Fig. 4 is an enlarged view of a portion B of fig. 3.

Fig. 5 is a schematic side view of the demolding structure of the present invention.

Fig. 6 is an enlarged view of a portion C of fig. 5.

Fig. 7 is a schematic side view of the demolding process of the present invention.

Fig. 8 is an enlarged view of a portion D of fig. 7.

Fig. 9 is a schematic view of the three-dimensional structure of the middle slide post and the inner contraction block of the present invention.

Detailed Description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described with reference to the following examples, which are not intended to limit the scope of the present invention.

As shown in fig. 1 to 9, a compact inner slide mechanism for a mold comprises a lower die holder 1, and an ejector plate 11 and a lower die plate 12 which are arranged on the lower die holder 1, wherein the ejector plate 11 is connected with the lower die plate 12 through a guide post, the lower die holder 1 is provided with a slide post 2 inserted into the lower die plate 12, the side of the slide post 2 is provided with at least two inclined planes 21 and an inner retraction block 3 sliding on the inclined planes 21, the inner retraction block 3 is provided with a butt rod 4 and an elastic member 5 used for driving the butt rod 4 to be close to the slide post 2, one end of the butt rod 4 is connected with the front side surface of the inner retraction block 3, and the other end of the butt rod 4 protrudes out of the back surface of the inner retraction block 3.

The compact inner slide mechanism for the mold of the embodiment, in the actual manufacturing process, the ejector plate 11 drives the slide post 2 to move up and down, the slide post 2 moves down to make the inner shrinkage block 3 slide along the inclined plane 21 of the slide post 2 and move backwards, when the slide post 2 moves down primarily, the rear end of the butt rod 4 still butts against one side face butt rod 4 of the slide post 2 without space to move backwards, only the inner shrinkage block 3 moves backwards and the front end of the butt rod 4 still butts against the inner wall face of the product in the initial moving down process of the slide post 2, when the slide post 2 moves down completely, that is, the rear end of the butt rod 4 has a space to retreat, the elastic part 5 drives the butt rod 4 to move backwards to vacate a space for the complete demolding of the product. The structure that contracts in wholly is simple and easy reliable, and the delay of butt pole 4 moves backward the design fine prevent that the product is out of shape, and the practicality is strong.

In this embodiment, the inclined plane 21 is provided with a slide rail 22 in a protruding manner, and the retraction block 3 is provided with a slide groove 31 buckled on the slide rail 22. The retraction block 3 is buckled with the inclined surface 21, and the structure simply realizes the effect that the retraction block 3 slides along the inclined surface 21 and moves backwards when the travel post 2 moves downwards.

In this embodiment, the inner contracting block 3 is provided with a containing room 32, the abutting rod 4 is arranged to penetrate through the containing room 32, the elastic member 5 is located in the containing room 32 and is sleeved on the abutting rod 4, one end of the elastic member 5 abuts against the inner wall surface of the containing room 32, and the other end of the elastic member 5 pushes the abutting rod 4. The elastic member 5 can be a spring, and the spring drives the abutting rod 4 to reciprocate in the accommodating chamber 32, so that the structure is simple.

In this embodiment, the inclined surface 21 is provided with a groove 23 with a shallow upper part and a deep lower part, and one end of the abutting rod 4 located on the back surface of the inner contracting block 3 extends into the groove 23. Go up shallow deep recess 23 down, when the line position post 2 moves up to the top position, the rear end of butt pole 4 stretches into in the deep position under recess 23, the front end of butt pole 4 does not have the protrusion in the leading flank of retraction piece 3 this moment, the rear end of butt pole 4 can be withstood by the shallow position on the recess 23 and keep not moving backward when line position post 2 moves down, and retraction piece 3 can move backward, after line position post 2 finishes moving down to the lowest position butt pole 4 is driven by elastic component 5 and is moved backward to the holding within 32, the delay backward movement of butt pole 4 is realized to the shallow depth down of recess 23.

In this embodiment, the surface of the end of the abutting rod 4 located at the back of the inner contracting block 3 is an arc surface. The rear end of the abutting rod 4 is arranged to be an arc surface, so that the abutting inclined surface 21 is convenient to rub, and the blocking condition is prevented.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

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

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The above-mentioned embodiments only express a plurality of embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. Compact interior line position mechanism for mould includes die holder (1) and sets up in ejector plate (11) and lower bolster (12) of die holder (1), and this ejector plate (11) are connected its characterized in that through guide pillar and lower bolster (12): the lower die holder (1) is provided with a slide column (2) inserted in the lower die plate (12), the side surface of the slide column (2) is provided with at least two inclined surfaces (21) and an inner contraction block (3) sliding on the inclined surfaces (21), the inner contraction block (3) is provided with a butt rod (4) and an elastic piece (5) used for driving the butt rod (4) to be close to the slide column (2), the front side surface of the inner contraction block (3) is connected with one end of the butt rod (4), and the other end of the butt rod (4) protrudes out of the back surface of the inner contraction block (3).

2. The compact slide-in mechanism for a mold according to claim 1, wherein: the inclined plane (21) is convexly provided with a sliding rail (22), and the inner contracting block (3) is provided with a sliding groove (31) buckled on the sliding rail (22).

3. The compact slide-in mechanism for a mold according to claim 1, wherein: the inner contraction block (3) is provided with a containing room (32), the abutting rod (4) penetrates through the containing room (32) and is arranged, the elastic piece (5) is located in the containing room (32) and is sleeved on the abutting rod (4), one end of the elastic piece (5) abuts against the inner wall surface of the containing room (32), and the other end of the elastic piece (5) pushes the abutting rod (4).

4. The compact slide-in mechanism for a mold according to claim 1, wherein: the inclined plane (21) is provided with a groove (23) which is shallow at the top and deep at the bottom, and one end of the abutting rod (4) positioned on the back surface of the inner shrinkage block (3) extends into the groove (23).

5. The compact slide-in mechanism for a mold according to claim 1, wherein: the surface of one end of the abutting rod (4) positioned on the back surface of the inner contraction block (3) is an arc surface.