CN211730096U

CN211730096U - I-shaped sequential limiting and ejecting device

Info

Publication number: CN211730096U
Application number: CN202020158615.8U
Authority: CN
Inventors: 刘康康
Original assignee: Tk Mold Sz Ltd
Current assignee: Tk Mold Sz Ltd
Priority date: 2020-02-10
Filing date: 2020-02-10
Publication date: 2020-10-23
Anticipated expiration: 2030-02-10

Abstract

The utility model relates to a spacing ejecting device of I type order of technical field moulds plastics. Mainly relate to the pulling force frock of stake outside the mould of standing, the pulling force frock includes the pull rod, detain the apron outside the pull rod and set up the spacing slider in the mould, be equipped with the axial gliding spout of pull rod edge on the apron, pull rod and apron are equipped with first recess and second recess on the side of mould respectively, the obtuse angle is personally submitted with the inner bottom of second recess to the lower bottom surface second inclined plane of second recess, spacing slider is parallel with the second inclined plane towards the first inclined plane of one side below of pull rod and the inclined plane height is less than the second inclined plane, spacing slider is in pushing spacing slider is to first recess to one side catapult of pull rod dorsad. The utility model discloses utilize the pull rod to catch on the limit slide who sets up on thimble group board, utilize the die sinking force to realize the mould separation when the drawing of patterns, the second inclined plane pushes back limit slide on utilizing the apron, with pull rod and limit slide separation, realizes the semi-automatic drawing of patterns of overall process, has simple structure, the advantage of the installation of being convenient for simultaneously.

Description

I-shaped sequential limiting and ejecting device

Technical Field

The utility model relates to a technical field of moulding plastics, concretely relates to spacing ejecting device of I type order.

Background

The injection molding products are widely applied to various fields. The quality requirements for injection molded parts are also increasing. In order to meet the requirements of use function and appearance and take production cost and period into account, a mold needs to be reversely arranged on an injection molding machine so as to reduce influence on the appearance of the product, such as thimble clamping and the like. However, after the mold is inverted, the ejector pin group plate loses power from the ejector rod of the injection molding machine, automatic demolding cannot be performed, manual demolding causes waste of human resources, and the risk of operation of workers is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough and defect of prior art, provide a spacing ejecting device of I type order.

The purpose of the utility model is realized through the following technical scheme:

the I-type sequential limiting ejection device comprises a die and a tension tool, wherein the die sequentially comprises an A plate, a B plate, a C plate and a bottom plate from top to bottom, the C plate and the bottom plate are fixed during die opening, the A plate and the B plate synchronously move upwards, an ejector pin group plate is arranged between the A plate and the B plate, the tension tool comprises a pull rod, a cover plate buckled outside the pull rod and a limiting slide block arranged inside the die, the cover plate is provided with a slide groove for the pull rod to slide along the axial direction, one side surfaces of the pull rod and the cover plate facing the die are respectively provided with a first groove and a second groove, the lower bottom surface of the second groove is a second inclined surface, the second inclined surface and the inner surface of the second groove form an obtuse angle, the lower part of one side surface of the limiting slide block facing the pull rod is provided with a first inclined surface, the first inclined surface is parallel to the second inclined surface, the height of the second inclined surface is greater, the limiting slide block is pushed into the first groove on the pull rod.

Specifically, the limiting slide block is fixedly provided with a pressing block above, the pressing block is fixedly connected with the plate A, the first pin vertically penetrates through the pressing block and the limiting slide block, and the limiting slide block performs linear reciprocating motion close to the pull rod and far away from the pull rod under the limitation of the first pin.

Specifically, the bottom end of the pull rod is fixed on the bottom plate, the cover plate is fixedly connected to the plate B, and the limiting slide block is located on the ejector pin group plate and is in sliding connection with the ejector pin group plate.

Specifically, the width of one surface, facing the pull rod, of the limiting slide block is larger than or equal to the width of the inner surface of the cover plate sliding groove.

Specifically, a gap is formed between the sliding groove and the pull rod, and the distance of the gap is larger than the depth of the first groove.

Compared with the prior art, the utility model following advantage and beneficial effect are included: the utility model discloses utilize the pull rod to catch on the limit slide who sets up on thimble group board, utilize the die sinking force to realize the mould separation when the drawing of patterns, the second inclined plane pushes back limit slide on utilizing the apron, with pull rod and limit slide separation, realizes the semi-automatic drawing of patterns of overall process, has simple structure, the advantage of the installation of being convenient for simultaneously.

Drawings

Fig. 1 is an exploded view of the present invention.

Fig. 2 is the schematic view of the installation position before the mold opening of the utility model.

FIG. 3 is a schematic view of a first step of opening the mold.

FIG. 4 is a schematic diagram of a second step of opening the mold.

FIG. 5 is a schematic view of the structure after mold opening is completed.

In the figure: 1-cover plate, 110-second groove, 120-second inclined surface, 2-pull rod, 21-first groove, 3-pressing block, 4-limiting slide block, 41-first inclined surface, 5-first slingshot, 6-second slingshot, 7-first screw, 8-first pin, 9-second screw, 10-second pin, 11-third screw, 12-third pin, 13-injection molding product 14-A plate, 15-B plate, 16-C plate, 17-bottom plate and 18-ejector pin group plate.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and the specific meanings of the above terms in the present invention can be understood in specific instances by those skilled in the art. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 5, the specific implementation process of the present invention is as follows:

the plastic product should simultaneously achieve the efficiency maximization of use function, appearance, production cost and production cycle, so that the structure of the plastic product becomes more complex. The mould needs the flip-chip influence product outward appearance such as reducing thimble double-layered line on the injection molding machine under the specific condition, and the mould flip-chip back, thimble group board will lose the power that comes from injection molding machine ejector pin, can't automatic drawing of patterns. The I-type sequential limiting ejection device utilizes the mold opening force of an injection molding machine to pull a thimble group plate aiming at the technical problem, so that an unconventional injection molding product can be normally demolded.

The I-type sequential limiting and ejecting device main body comprises a pull rod 2, a cover plate 1 and a limiting slide block 4. The limiting slide block 4 and the cover plate 1 are respectively arranged on two sides of the pull rod 2, and a pressing block 3 is further arranged above the limiting slide block 4. Set up in injection mold's the outside, wherein the mould is from the top down in proper order: the injection molding machine comprises an A plate 14, a B plate 15, a C plate 16 and a bottom plate 17, wherein the C plate 16 and the bottom plate 17 are fixed, the A plate 14 and the B plate 15 move upwards under the action of mold opening force during mold opening, and an injection molding product 13 is arranged inside the B plate 15 at the junction of the A plate 14 and the B plate 15.

The pull rod 2 is a rod-shaped structure with a first groove 21 on one side surface, and the first groove 21 is positioned on the upper part of the middle part of the pull rod 2. The bottom end of the pull rod 2 is fixedly connected to the outer side of a plate C16 of the injection molding machine through a third screw 11 and a third pin 12, the upper end of the pull rod 2 is higher than the boundary line of the plate A14 and the plate B15, the opening of the first groove 21 faces the mold, the upper surface of the first groove 21 is higher than the boundary line D1 of the plate A14 and the plate B15, and the distance between an injection molding product 13 in the plate B15 and the bottom surface D2 of the mold.

A pressing block 3 is arranged in the A plate 14 and close to the boundary line of the A plate 14 and the B plate 15, and a limiting slide block 4 is arranged in the B plate 15 and close to the boundary line of the A plate 14 and the B plate 15 and between the pressing block 3 and an injection molded part product 13.

The first groove 21 on the pull rod 2 corresponds to the limiting slide block 4, the limiting slide block 4 is of a cuboid block structure, and a first inclined surface 41 is arranged below the side surface close to the pull rod 2. The first pin 8 vertically penetrates into the limiting slide block 4 from top to bottom, so that the limiting slide block 4 can reciprocate along the horizontal direction close to the principle pull rod 2, one side, away from the pull rod 2, of the limiting slide block 4 is provided with a first slingshot 5 and a second slingshot 6, and the limiting slide block 4 is pushed into a first groove 21 of the pull rod 2. The first pin 8 is fixedly connected with the pressing block 3. The pressing block 3 is fixed by a first screw 7.

The vertical direction of apron 1 is equipped with the spout and is used for holding pull rod 2, and apron 1 passes through second screw 9 and second pin 10 fixed connection in B board 15, makes pull rod 2 slide from top to bottom in the spout. One side of the cover plate 1 close to the mold is provided with a second groove 110, the bottom surface of the second groove 110 is a second inclined surface 120, and the second inclined surface 120 is parallel to the first inclined surface 41 on the limiting slide block 4. The height of the second inclined surface 120 is greater than that of the first inclined surface 41 so as to ensure that the limiting slide block 4 can be completely pushed into the B plate 15 in the movement process, and the pull rod 2 is completely separated from the limiting slide block.

The specific implementation manner of the utility model is as follows:

s01 before opening the mold, the mold is in the state shown in FIG. 2, at this time, the injection molding product is close to the boundary line between the A plate 14 and the B plate 15, and the distance D2 between the lower surface and the space in the mold is provided;

s02, opening the die for the first step, the plate A14 and the plate B15 synchronously move upwards under the die opening force D1, the first slingshot 5 and the second slingshot 6 tightly push the limiting slide block 4 in the first groove 21, and the upper surface of the first groove 21 of the pull rod 2 is buckled on the upper surface of the limiting slide block 4;

s03, mold opening is continued, the plate A14 and the plate B15 continue to synchronously move upwards D1, the limiting slide block 4 is hooked by the pull rod 2, the bottom end of the pull rod 2 is fixed, and at the moment, the injection molding product moves downwards D1 relative to the boundary line of the plate A14 and the plate B15, so that mold release is completed;

s04, when the limiting slide block 4 moves downwards relative to the A plate 14 and the B plate 15, the first inclined surface 41 is in relative contact with the second inclined surface 120, the second inclined surface 120 provides a vertical inclined surface upward force for the first inclined surface 41, the limiting slide block 4 is pushed back into the B plate 15 by the component force of the vertical upward force in the horizontal direction, and at the moment, the limiting slide block 4 retreats from the first groove 21 and is separated from the pull rod 2;

s05, under the action of the mold opening force, the plate A14 and the plate B15 continue to move upwards, at the moment, the pull rod 2 is not in contact with the interior of the mold and is released from the chute, and demolding is finished.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more 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

The utility model discloses a spacing ejecting device of I type order, including mould and pulling force frock, the mould is from the top down be A board, B board, C board and bottom plate in proper order, and C board and bottom plate are fixed during the die sinking, and the synchronous upward movement of A board and B board is the thimble group board between A board and the B board, its characterized in that: the pull tool comprises a pull rod, a cover plate buckled outside the pull rod and a limiting slide block arranged inside the die, wherein a sliding groove for the pull rod to slide along the axial direction is formed in the cover plate, a first groove and a second groove are respectively formed in one side face, facing the die, of the pull rod and the cover plate, the lower bottom surface of the second groove is a second inclined surface, the second inclined surface and the inner surface of the second groove form an obtuse angle, a first inclined surface is arranged below the side face, facing the pull rod, of the limiting slide block, the first inclined surface is parallel to the second inclined surface, the height of the inclined surface of the second inclined surface is larger than that of the first inclined.
2. The type I sequential spacing ejection device of claim 1, wherein: a pressing block is fixedly arranged above the limiting sliding block and fixedly connected with the plate A, the first pin vertically penetrates through the pressing block and the limiting sliding block, and the limiting sliding block performs linear reciprocating motion close to the pull rod and far away from the pull rod under the limitation of the first pin.
3. The type I sequential spacing ejection device of claim 1, wherein: the bottom end of the pull rod is fixed on the bottom plate, the cover plate is fixedly connected to the plate B, and the limiting slide block is located on the ejector pin group plate and is in sliding connection with the ejector pin group plate.
4. The type I sequential spacing ejection device of claim 1, wherein: the width of one side of the limiting slide block, which faces to the pull rod, is larger than or equal to the width of the inner surface of the cover plate sliding groove.
5. The type I sequential spacing ejection device of claim 1, wherein: a gap is arranged between the sliding groove and the pull rod, and the distance of the gap is larger than the depth of the first groove.