CN209440720U - Mould structure with oblique top on a kind of sliding block - Google Patents

Abstract

The utility model belongs to mold processing and manufacturing technology, more particularly to the mould structure with oblique top on a kind of sliding block, comprising: mold, sliding block, sliding rail, bottom needle plate, face needle plate, striker, oblique top, wear-resistant block, inclined guide pillar, inclined guide pillar slot, oblique top protrusion, product and back-off；Its is simple and reasonable, sliding block can move together with oblique top, oblique top realizes the movement in two kinds of directions simultaneously, oblique top is detached from product back-off while following slide block movement, it effectively solves the problems, such as that oblique top cannot follow sliding block to retreat in mechanical slide, improves working efficiency, long service life, low manufacture cost and safety and stability is used, application environment is friendly.

Description

A mold structure with inclined roof on the slider

Technical field:

The utility model belongs to the technical field of mold processing and manufacturing, in particular to a mold structure with a slanted top on a slider.

Background technique:

As the functional requirements of auto parts are getting higher and higher, the mold structure is becoming more and more complex. When the product is injected, there is an undercut along the running direction of the slider. The undercut of the product is easy to scratch or the product is deformed by pulling, which affects the size and assembly function of the product; Chinese patent 201020583345.1 discloses a combined demoulding mechanism for an injection mold slider and inclined top, including an upper mold plate and a lower mold plate, and the upper mold plate is connected by a cushion block The fixed formwork, the mold foot is installed on the lower formwork, the top plate is installed in the mold foot, the top plate is connected with the ejector rod, the movable formwork is installed on the mold foot, there is a formed plastic product between the movable formwork and the fixed formwork, and the plastic product is made with buckles. There is a positioning hole in the buckle, and an undercut is formed between the buckle and the product body. A slider is slid on one side of the movable template, and the inner side of the slider is connected to the core of the positioning hole, and the core of the positioning hole matches the positioning hole. , a slanted guide hole is formed in the slider, and the slanted guide post is connected under the fixed template, and the slanted guide post is matched with the slanted guide hole. Inclined ejector rod, the head of the inclined ejector rod is matched with the undercut; Chinese patent 201220445 554.9 discloses an inclined ejector structure on the slider of an automobile plastic mold, including the mold core, mold A plate and mold B plate, and mold A There is an inclined guide post on the board, a slider seat is provided on the inclined guide post, a slider insert is arranged on the slider seat, a mounting groove is provided between the slider seat and the slider insert, and an inclined guide post is provided in the installation groove. The inclined roof structure includes the inclined roof, the inclined roof seat and the inclined ejector needle plate; the inclined roof passes through the slider insert and is connected with the inclined ejector pin plate, and the root of the inclined roof is arranged on the inclined ejector seat; Chinese patent 201420772307.9 discloses an inclined roof structure driven by a plastic mold oil cylinder slider, including an inclined roof, the inclined roof is set in the slider, the bottom of the inclined roof is connected with the inclined roof seat, and then fixed on the mold frame, and the slider is driven by the oil cylinder. The inclined top seat passes through the oil cylinder seat and is locked on the oil cylinder seat. When the slider is pulled out, the inclined top can only move up and down. Only when the locking structure of the inclined top seat is disengaged after the slider is drawn out to a certain distance can the inclined top be combined with Pull out the slider together. The slider includes two parts: the front product side slider insert and the slider seat. The whole slider can slide left and right and is set on the mold B plate. The oil cylinder is set on the oil cylinder seat, and the inclined top passes through the side The slider insert is connected with the slanted top seat and buckled with the locking piece. The front part of the slanted top seat connected with the slanted top is buckled with the locking piece, and the rest of the slanted top seat middle and end parts are only Locked together with the slider seat; Chinese patent 201620138011.0 discloses an injection mold structure with a built-in slider for inclined ejection of products, including molds, sliders and shovels arranged in sequence from right to left. An inclined guide column is provided, and an inclined top is provided inside the slider. The right end of the inclined top is an undercut forming end, and the left end is against the bottom of the right end of the shovel. The space between the inner wall of the slider and the pin is located under the inclined roof; when the above-mentioned patented product and the mold structure of the prior art are in use, when there are two directions of undercuts on the side, the slider and the inclined roof mechanism cannot meet the functional requirements. Usually on the cylinder The form with slider, but the size of the mold is relatively large, the structure is complex, the cost of the mold is doubled, and the requirements for the operator are high; therefore, a mold structure with a slanted roof on the slider is developed and designed, and the slider can be equipped with a slanted roof. Moving together, the inclined top can move in two directions at the same time. The inclined top is separated from the undercut of the product and follows the movement of the slider, which effectively solves the problem that the inclined top on the mechanical slider cannot follow the back of the slider. Very good use value and promotion prospect.

Invention content:

The purpose of this utility model is to overcome the shortcomings in the prior art, and to design and provide a mold structure with a slanted top on the slider. The slider can move together with the slanted top. The top breaks away from the product and follows the movement of the slider at the same time, effectively solving the problem that the inclined top of the mechanical slider cannot follow the back of the slider, reducing production costs and improving work efficiency.

In order to achieve the above object, the main structure of the utility model includes: mold, slider, slide rail, bottom needle plate, face needle plate, striker, inclined top, wear-resistant block, inclined guide post, inclined guide post groove, inclined top convex Lifting, product and undercut; the mold is provided with a slide block, and a slide rail is provided inside the slide block, one end of the slide rail is vertically fixedly connected with the vertical wall of the mold, and the slide block can reciprocate left and right on the mold along the slide rail ;The top of the slider is provided with a bottom needle plate, a face needle plate and a wear-resistant block in turn from right to left, and the top of the face needle plate is provided with a slanted top inclined to the left, and the slanted top tube channeling wear-resistant block extends to the outside of the slider. The lower end of the needle plate is vertically provided with a striker, and the striker extends to the left to the outside of the slider; there is also a slanted guide post inside the slide block, and a slanted guide post groove is also provided on the mold. The column can extend into the inclined guide column groove on the mold to prevent relative displacement between the slider and the mold; the top of the inclined top is provided with an inclined top protrusion, and the mold is also equipped with a product, and the side of the top of the product is provided with an undercut. In the mold state, the undercuts cooperate with the slanted top protrusions to complete the injection molding of the product.

When the mold structure with inclined top on the slider involved in the utility model is used, in the mold closing state, the slider is close to the left side wall of the mold, the inclined guide post is placed in the inclined guide post groove, and the inclined top and striker are also in the initial state , carry out injection molding in this state; after the injection molding is completed, the slider moves to the right under the action of the inclined guide column, and at the same time, the bottom needle plate drives the face needle plate, and the face needle plate drives the inclined top and striker to produce relative displacement with the slider, and the slider Drive the inclined top to move downward to disengage from the undercut, and then the inclined top moves to the right with the slider, and the side of the product is removed from the undercut along the downward and right directions. After the product is pulled out, the inclined guide column drives the slider to move to the left , After the striker hits the vertical wall of the mold, the inclined top is reset through the needle plate, and repeated injection molding is performed.

Compared with the prior art, the utility model has changed the disadvantages of the prior art in its overall structure. Its structure is simple and reasonable. The slider can move together with the inclined top, and the inclined top can move in two directions at the same time. The buckle follows the movement of the slider at the same time, which effectively solves the problem that the inclined top of the mechanical slider cannot follow the slider to retreat, improves work efficiency, has a long service life, low production cost, is safe and stable to use, and is environmentally friendly.

Description of drawings:

Fig. 1 is a schematic diagram of the principle of the main body structure in the mold clamping state of the present invention.

Fig. 2 is a schematic diagram of the principle of the main body structure in the mold opening state of the present invention.

Detailed ways:

Below through embodiment and in conjunction with accompanying drawing, the utility model is further described.

Example 1:

The mold structure with inclined top on the slider involved in this embodiment, the main structure includes: mold 1, slider 2, slide rail 3, bottom needle plate 4, face needle plate 5, striker 6, inclined top 7, wear-resistant block 8. Slanted guide post 9, slanted guide post groove 10, slanted top protrusion 11, product 12 and undercut 13; the mold 1 is provided with a slider 2, and the slider 2 is provided with a slide rail 3, and the slide rail 3 One end is vertically fixedly connected with the vertical wall of the mold 1, and the slider 2 can reciprocate left and right on the mold 1 along the slide rail 3; the top of the slider 2 is provided with a bottom needle plate 4, a face needle plate 5 and Wear-resistant block 8, face needle plate 5 upper end is provided with inclined top 7 inclined to the left bottom, and inclined top 7 pipe channeling wear-resistant block 8 extends to the outside of slide block 2, and face pin plate 5 lower end is vertically provided with striker 6, striker 6 extends to the left to the outside of the slider 2; the slider 2 is also equipped with an inclined guide post 9, and the mold 1 is also provided with an inclined guide post groove 10. In the mold closing state, the inclined guide post 9 in the slider 2 can extend into the inclined guide column groove 10 on the mold 1 to prevent the relative displacement between the slider 2 and the mold 1; the top of the inclined top 7 is provided with an inclined top protrusion 11, and the mold 1 is also provided with a product 12, and the side of the top of the product 12 An undercut 13 is provided, and under the mold closing state, the undercut 13 cooperates with the slanted top protrusion 11 to complete the injection molding of the product 12.

When the mold structure with inclined roof on the slider involved in this embodiment is used, in the mold closing state, the slider 2 is close to the left vertical wall of the mold 1, the inclined guide post 9 is placed in the inclined guide post groove 10, and the inclined top 7 and The striker 6 is also in the initial state, and injection molding is carried out in this state; after the injection molding is completed, the slider 2 moves to the right under the action of the inclined guide column 9, and at the same time, the bottom needle plate 4 drives the upper needle plate 5, and the upper needle plate 5 drives the inclined top 7 And the striker 6 generates a relative displacement with the slider 2, the slider 2 drives the inclined top 7 to move downward to break away from the undercut 13, and then the inclined top 7 moves to the right with the slider 2, and the side edge of the product 12 is moved downward and to the right The undercuts 13 in two directions come out, and after the product 12 comes out, the inclined guide post 9 drives the slider 2 to move to the left. After the striker 6 touches the vertical wall of the mold 1, the inclined top 7 is reset through the needle plate 5, and repeated injection molding is performed.

Claims (1)

1. with the mould structure of oblique top on a kind of sliding block, it is characterised in that: main structure includes: mold, sliding block, sliding rail, bottom needle Plate, face needle plate, striker, oblique top, wear-resistant block, inclined guide pillar, inclined guide pillar slot, oblique top protrusion, product and back-off；The mold is equipped with Sliding block, sliding block is interior to be equipped with sliding rail, and sliding rail one end is vertical with the wall of mold to be fixedly connected, and sliding block can be done on mold along sliding rail The reciprocating motion of left and right directions；Sliding block top right-to-left is successively arranged bottom needle plate, face needle plate and wear-resistant block, face needle plate upper end to Lower left is inclined to be equipped with oblique top, and oblique top pipe is altered wear-resistant block and extended to outside sliding block, and face needle plate lower end is vertically equipped with striker, striker It extends to outside sliding block to the left；It is additionally provided with inclined guide pillar in sliding block, is additionally provided with inclined guide pillar slot on mold, under molding state, in sliding block Inclined guide pillar can extend in the inclined guide pillar slot on mold, generate relative displacement between anti-limited slip block and mold；Oblique top top is set There is oblique top raised, product is additionally provided on mold, product top side is equipped with back-off, and back-off cooperation oblique top protrusion is complete under molding state At the injection molding of product.