CN203004138U - Sliding block mechanism of mould - Google Patents

Abstract

A slider mechanism of a mold, which is used to form hooks in a first direction and a second direction. The slider mechanism of the mold includes: a pull plate, which is arranged between the two foot pads of the mold and the male template, and the pull plate There is a slider fixing block; a small pull rod, one end of which is fixed in the pull plate, and the other end is movably set in the male template; one end of the slider is fixed in the slider fixing block, and the other end runs through the Describe the male template and extend into the male mold core, the slider is provided with a first chute and a second chute; the first insert is set on one side of the slider to form a hook in the first direction, One side of the first entry is slidably set in the first chute; the second entry is provided on the other side of the slider to form a hook in the second direction, and the second entry One side slides in the second slide groove. The slider mechanism of the mold of the utility model can form two hooks with opposite opening directions and close distances without changing the hook structure of the product.

Description

Slider mechanism of mold

【Technical field】

The utility model relates to a mold mechanism, in particular to a slider mechanism of a mold.

【Background technique】

The plastic parts of the product will be molded using plastic molds, such as plastic parts such as housings of electronic products. Due to the popularity of electronic products, the improvement of plastic molds has also become a subject of extensive research.

When producing plastic products, sometimes there will be hooks on the plastic products. Please refer to Fig. 1, the opening direction of the two hooks 11 of the product 10 in Fig. 1 is opposite and the distance is relatively close. If the hook 11 cannot be changed, the smooth withdrawal of the two hooks 11 cannot be realized, and the product 10 cannot be molded.

In view of this, it is really necessary to develop a slider mechanism of a mold, which can form two hooks with opposite opening directions and close distances.

【Content of invention】

Therefore, the purpose of this utility model is to provide a slider mechanism of a mold, which can form two hooks with opposite opening directions and close distances.

In order to achieve the above object, the slider mechanism of the mold of the present utility model has an upper fixed plate, a female template, a female mold core, a male mold core, a male template, two foot pads, an upper ejector plate, and a lower ejector plate , the lower fixed plate and the shutter locked between the male template and the female template, the slider mechanism of the mold forms hooks in the first direction and the second direction, and the slider mechanism of the mold includes:

Pulling plate, which is located between the two foot pads and the male formwork, the pulling plate is provided with a slider fixing block;

A small pull rod, one end of which is fixed in the pull plate, and the other end is movably set in the male template;

A slider, one end of which is fixed in the slider fixing block, and the other end passes through the male template and extends into the male mold core, and the slider is provided with a first chute and a second chute;

The first insert is arranged on one side of the slider to form a hook in the first direction, and one side of the first insert is slidably arranged in the first chute;

The second insert is arranged on the other side of the slider to form a hook in the second direction, and one side of the second insert is slidably arranged in the second slide groove.

In particular, the first chute is a chute that is inclined at an angle to the vertical direction, and the first insert is correspondingly provided with a first oblique protrusion that cooperates with the first chute.

In particular, the second chute is a chute that is inclined to the vertical direction, and the second inlet is correspondingly provided with a second slanted protrusion that matches the second chute.

In particular, the male mold core is provided with a first insert fixing plate and a second insert fixing plate, and the first insert and the second insert are respectively arranged on the first insert fixing block and the second insert fixing on the block.

In particular, the male template is provided with a through hole for setting the small pull rod therein, and the through hole has three hole sections with diameters D1, D2 and D3 respectively, and D2<D1<D3.

In particular, an elastic element is provided on the outer periphery of the small tie rod, and the elastic element is arranged in the hole section of the through hole with a diameter of D3 and is in contact with the pull plate. When the mold is closed, the elastic element is in a compressed state.

In particular, the elastic element is a spring.

In particular, if the movable stroke of the small pull rod in the male formwork is S1, the angle between the first chute and the second chute and the vertical direction is A, and the first entry and the second entry are respectively The safety margin of the exit hook is S3, and the hook amount of the first hook and the second hook is S2, then S1×tanA>S2+S3.

In particular, the safety margin S3 for the first entry and the second entry to withdraw from the hook respectively is 1.0 mm.

Compared with the prior art, the slider mechanism of the mold of the utility model, after the first mold opening, the male template and the drawing plate are separated first, and the slider fixing block drives the slider to move together with the drawing plate, and the slider moves Drive the first and second inserts to move towards each other, respectively exit the first hook and the second hook, and the slider mechanism of the mold of the present invention can form the opening without changing the hook structure of the product There are two hooks with opposite directions and close distances, and the slider mechanism of the mold of the utility model has simple structure, convenient processing and low cost.

【Description of drawings】

Figure 1 shows a schematic diagram of the structure of the product.

FIG. 2 is a schematic diagram of the slider mechanism of the mold of the present invention in the mold clamping state.

FIG. 3 is a schematic perspective view of the first inlet, the second inlet and the slider in FIG. 2 .

FIG. 4 is a schematic diagram of the slider mechanism of the mold of the present invention in the mold opening state.

【Detailed ways】

Please refer to Fig. 2 and Fig. 3, wherein Fig. 2 depicts a schematic diagram of the slider mechanism of the utility model mold in the mold clamping state, wherein Fig. 3 depicts the first entry and the second entry in Fig. 2 and the three-dimensional schematic diagram of the slider.

The slider mechanism of the mold of the present utility model, wherein the mold has an upper fixing plate 110, a female template 120, a female mold core 121, a male mold core 131, a male template 130, two foot pads 140, a lower fixing plate 150, and is located on The upper ejector plate 160 and the lower ejector plate 170 between the two foot pads 140, the shutter 180 is locked between the male template 130 and the female template 120, and the slider mechanism of the mold molds the product 10 in the first direction and the second direction. The hook 11 in two directions, the slider mechanism of the mold includes:

Pull plate 200, which is located between the two-leg pads 140 and the male formwork 130, the pull plate 200 is fixed on the lower fixing plate 150 by screws, and the slide block fixing block 210 is fixed on the pull plate 200 by screws ;

Small pull rod 300, one end of which is fixed in the pull plate 200 by a screw, and the other end is movably arranged in the male template 130, and correspondingly, the male template 130 is provided with a through hole 132 for the small pull rod 300 to be movable. Wherein, the through hole 132 has three hole sections with diameters of D1, D2 and D3 in turn, and D2<D1<D3, the outer periphery of the small tie rod 300 is provided with an elastic element 310, and the elastic element 310 is arranged in the through hole. In the hole segment with a diameter of D3 and against the pull plate 200, when the mold is closed, the elastic element 310 is in a compressed state, and the elastic element 310 assists the downward movement of the pull plate 200. In this embodiment, The elastic element 310 is a spring;

Slider 400, one end thereof is fixed in described slider fixing block 210, and the other end passes through described male template 130 and stretches in male mold core 131, and this slider 400 is provided with first chute 410 and the second A chute 420, the first chute 410 is a chute with an oblique angle to the vertical, and the second chute 420 is an oblique chute with an inclination to the vertical;

The first insert 500 is provided on one side of the slider 400 to form a hook 11 in the first direction, and the first insert 500 is correspondingly provided with a first oblique protrusion that cooperates with the first sliding groove 410 510, the first oblique protrusion 510 on the side of the first insert is slidably arranged in the first sliding groove 410;

The second insert 600 is provided on the other side of the slider 400 to form a hook 11 in the second direction, and the second insert 600 is correspondingly provided with a second oblique protrusion matching the second slide groove 420 Block 610 , the second oblique protrusion 610 on one side of the second insert 600 is slidably disposed in the second slide groove 420 .

Wherein, the male die core 131 is provided with a first inlet fixing plate 1311 and a second inlet fixing plate 1312, and the first inlet 500 and the second inlet 600 are respectively arranged on the first inlet fixing block 1311 and the second inlet fixing plate 1312. The second entry is fixed on the block 1312 .

Wherein, if the movable stroke of the small pull rod 300 in the male template 130 is S1, the angle between the first chute 410 and the second chute 420 and the vertical direction is A, the first entry 500 and the second entry The safety margin for the child 600 to withdraw from the hook 11 is S3, the hooking amount of the hook 11 in the first direction and the second direction is S2, in order to completely withdraw from the hook 11, then S1×tanA>S2+S3.

Wherein, the safety margin S3 of the withdrawal hook 11 is 1.0mm.

Please refer to FIG. 4 , which depicts a schematic view of the slider mechanism of the mold of the present invention in the state of mold opening. When the mold is opened for the first time, since the shutter 180 is installed between the male template 130 and the female template 120, the mold is opened between the male template 130 and the pull plate 200 for the first time. Under the pulling force of the injection molding machine, The male mold side of the mold moves downward, and at the same time, the drawing plate 200 moves downward, and the slider fixing block 210 drives the sliding block 400 to move downward along with the drawing plate 200. When the sliding block 400 moves downward, the first insert 500 Under the cooperation of the first slanted protrusion 510 of the second insert 600 and the second slant protrusion 610 of the second insert 600 with the first chute 410 and the second chute 420 of the slider 400 respectively, the slider 400 drives the first insert 500 moves to the right (closer to the direction of the second inlet 600), and at the same time the slider 400 drives the second inlet 600 to move to the left, so that the first inlet 500 and the second inlet 600 smoothly exit the two hook 11.

When the small tie rod 300 moves with the pull plate 200 to fix the stroke, the small tie rod 300 is stuck in the male template 140, and the mold continues to open. Under the pulling force of the injection molding machine, the small pull rod 300 drives the male template 140 to Move down to start the second mold opening of the mold.

Compared with the prior art, the slider mechanism of the mold of the utility model can form two hooks 11 with opposite opening directions and close distances without changing the structure of the hook 11 of the product 10, and the utility model The slider mechanism of the mold has simple structure, convenient processing and low cost.

Claims (9)

1. A slider mechanism of a mould, the mold has an upper fixed plate, a female template, a female mold kernel, a male mold kernel, a male template, two foot pads, an upper ejector plate, a lower ejector plate, a lower fixed plate and There is a shutter locked between the male template and the female template. The slider mechanism of the mold forms hooks in the first direction and the second direction. It is characterized in that the slider mechanism of the mold includes: Pulling plate, which is located between the two foot pads and the male formwork, the pulling plate is provided with a slider fixing block; A small pull rod, one end of which is fixed in the pull plate, and the other end is movably set in the male template; A slider, one end of which is fixed in the slider fixing block, and the other end passes through the male template and extends into the male mold core, and the slider is provided with a first chute and a second chute; The first insert is arranged on one side of the slider to form a hook in the first direction, and one side of the first insert is slidably arranged in the first chute; The second insert is arranged on the other side of the slider to form a hook in the second direction, and one side of the second insert is slidably arranged in the second slide groove. 2. The slider mechanism of the mold according to claim 1, wherein the first chute is a chute with an inclined angle to the vertical direction, and the first inlet is correspondingly provided with a A first oblique protrusion matched with a sliding groove. 3. The slider mechanism of the mold according to claim 1, wherein the second chute is a chute with an inclined angle to the vertical direction, and the second inlet is correspondingly provided with a The second oblique protrusion matched with the two slide grooves. 4. The slider mechanism of the mold as claimed in claim 1, wherein a first insert fixing plate and a second insert fixing plate are arranged in the male mold core, and the first insert and the second insert They are respectively arranged on the first sub-entry fixing block and the second sub-entry fixing block. 5. The slider mechanism of the mold as claimed in claim 1, wherein the male template is provided with a through hole for the small pull rod to be located therein, and the through hole has successively diameters that are D1, D2 and D3 respectively. Three hole segments, and D2<D1<D3. 6. The slider mechanism of the mold according to claim 5, wherein an elastic element is provided on the outer periphery of the small tie rod, and the elastic element is arranged in the hole section with a diameter of the through hole D3 and resists the pull plate , when the mold is closed, the elastic element is in a compressed state. 7. The slider mechanism of the mold according to claim 6, wherein the elastic element is a spring. 8. The slider mechanism of the mold as claimed in claim 1, wherein if the movable stroke in the small pull rod pre-common template is S1, the first chute and the second chute are in a vertical direction. The angle is A, the safety margin for the first entry and the second entry to exit the hook respectively is S3, and the hook amount of the first hook and the second hook is S2, then S1×tanA>S2+S3 . 9 . The slider mechanism of the mold according to claim 8 , wherein the safety margin S3 for the first insert and the second insert to withdraw from the hook respectively is 1.0 mm.

Images