CN218429725U - Cover half slider structure that occupation space is little - Google Patents

Abstract

A fixed die slide block structure occupying small space comprises an elastic plate, an A plate, a B plate, a movable die core, a fixed die core and a plurality of fixed die slide block T-shaped grooves, wherein the fixed die slide block T-shaped grooves are connected with the elastic plate and penetrate through the A plate to be arranged in the movable die core; the fixed die slide block T-shaped groove is connected with a fixed die slide block body or two symmetrically arranged fixed die slide block bodies, and one end, far away from the fixed die slide block T-shaped groove, of the fixed die slide block body extends into a forming cavity between the movable die core and the fixed die core. The utility model discloses a cover half slider structure that shared space is little drives one or two different angles simultaneously by cover half slider T type groove and looses core on the cover half, thereby utilizes drawing of patterns sequence time difference to reach different angles and loose core normal demolding for mould actual size obtains optimizing, and the product quantity of the mould production of same size increases by a wide margin, and the effectual solution is greatly pursuing the requirement that small-size injection molding machine volume production practices thrift the cost to the product output requirement.

Description

Cover half slider structure that occupation space is little

Technical Field

The utility model belongs to the technical field of injection mold, specifically, relate to a cover half slider structure that shared space is little.

Background

Under the common condition, if an oil cylinder to be designed is separated from a fixed die core-pulling slide block in a narrow product structure, the arrangement position of a product is increased, the product yield in a corresponding injection molding machine is reduced, if the required yield is required to be achieved, a die needs to be increased to replace a large injection molding machine, the product size of a small product using the large injection molding machine is difficult to control, the requirement on an injection molding process is very high, and the oil cylinder is used, so that the appearance oil stain of the product is easily caused, and the adverse factor of the product quality cannot meet the requirement of a customer.

A traditional oil cylinder is separated from a fixed die back-off core-pulling structure as shown in fig. 9, and the traditional back-off core-pulling structure has the advantages that the oil cylinder die structure is relatively simple, and auxiliary demoulding structures such as a fixed die elastic plate are not needed; the back-off core-pulling structure has the following defects:

1. generally, the oil cylinder has larger volume and is not beneficial to being realized on a multi-hole precision die;

2. the oil cylinder structure is easy to generate oil stains to cause defects of the appearance surface of a product, so that the oil cylinder is usually avoided for appearance parts with high requirements;

3. the oil cylinder is high in price and high in later maintenance cost, and the multi-cavity die has high requirements on an injection molding machine if more oil cylinders are used.

In conclusion:

the fixed die oil cylinder structure is generally applied to structural parts of products with larger specifications (the length and the width are more than or equal to 80 MM), fewer cavities (less than or equal to 2 cavities) and no special product appearance requirements.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a cover half slider structure that shared space is little, the hydro-cylinder of having solved among the prior art breaks away from cover half back-off structure of loosing core and uses on the less product of size and have great limitation, need break away from the cover half back-off structure of loosing core to the hydro-cylinder and improve.

The technical scheme is as follows: the utility model provides a cover half slider structure with small occupied space, which comprises an elastic plate, an A plate, a B plate, a movable mould core, a cover half mould core and a plurality of cover half slider T-shaped grooves, wherein the elastic plate, the A plate and the B plate are sequentially arranged from top to bottom, the movable mould core is arranged on the lower end surface of the A plate, the cover half mould core is arranged on the upper end surface of the B plate, the movable mould core and the cover half mould core are buckled together up and down, the cover half slider T-shaped grooves are connected with the elastic plate, and the cover half slider T-shaped grooves penetrate through the A plate and are arranged in the movable mould core; the fixed die slider T-shaped groove is connected with a fixed die slider body or two symmetrically arranged fixed die slider bodies, and one end of the fixed die slider body, which is far away from the fixed die slider T-shaped groove, extends into a forming cavity between the movable die core and the fixed die core. The utility model discloses a cover half slider structure that shared space is little drives one or two different angles simultaneously by cover half slider T type groove and looses core on the cover half, thereby utilizes drawing of patterns order time difference to reach different angles and loose core and normally go out the mould, brings more reasonable direction for the quality of product, provides qualified injection moulding product for the customer. Make mould actual dimension obtain optimizing, the product quantity of the mould production of the same size increases by a wide margin, and effectual solution is great to product output requirement and pursues the requirement that small-size injection molding machine volume production practiced thrift the cost again, and injection molding board utilization efficiency has all obtained very big promotion.

Furthermore, in the fixed die slide block structure with a small occupied space, the lower end part of the T-shaped groove of the fixed die slide block is provided with a U-shaped groove I or two symmetrically arranged U-shaped grooves I, and the U-shaped groove I is divided into the inclined guide parts at the lower end part of the T-shaped groove of the fixed die slide block. The inclined guide portion and the lower end of the fixed die slide body are nested together, the fixed die slide body is driven by the fixed die slide T-shaped groove in the regular die process to move, and meanwhile, the inclined guide portion and the lower end of the fixed die slide body can be staggered relatively, so that the fixed die slide body can smoothly loose cores.

Further, in the fixed die sliding block structure with the small occupied space, the fixed die sliding block body is obliquely arranged, the upper end part of the fixed die sliding block body is provided with the first through hole, and the oblique guide part is arranged in the first through hole. Through the first through hole, the inclined guide part can be connected with the fixed die slide block body.

Further, in the fixed die sliding block structure with the small occupied space, the inner wall of the first U-shaped groove is provided with a first inclined surface, the inner wall of the first through hole is provided with a second inclined surface, and the first inclined surface is in contact with the second inclined surface. And in the moving process of the T-shaped groove of the fixed die sliding block, the first inclined surface and the second inclined surface are driven to move relatively, so that the core pulling of the fixed die sliding block body is completed.

Further, foretell little cover half slider structure in shared space, be equipped with diving board limit screw and T type groove fixed screw on the diving board, be equipped with stroke spacing recess one on the diving board, the head setting of diving board limit screw is in stroke spacing recess one to be equipped with the removal clearance between the head of diving board limit screw and the bottom surface of stroke spacing recess one, the double-screw bolt part of diving board limit screw runs through the diving board and is connected with the A board, the upper end and the T type groove fixed screw connection in cover half slider T type groove. The moving clearance between the elastic plate and the plate A is elastic moving stroke of 0.5mm, so that the elastic plate can move 0.5mm first, and then the mould opening between the plate A and the plate B is carried out.

Furthermore, in the fixed die slide block structure occupying a small space, a plurality of dampers are arranged between the plate A and the plate B.

Furthermore, in the fixed die sliding block structure with a small occupied space, a plurality of springs are arranged between the elastic plate and the plate A. The link clamping force of the damper is larger than the elastic force of a spring between the elastic plate and the A plate, so that the elastic plate can be firstly bounced open.

Further, according to the fixed die sliding block structure with the small occupied space, the movable die core is provided with the plurality of guide holes, the cross sections of the guide holes are rectangular, the guide holes are obliquely arranged, the fixed die sliding block body is arranged in the guide holes, and the fixed die sliding block body is in sliding connection with the guide holes. The guide hole that the slope set up provides the orbit that the cover half slider body removed, guarantees that the cover half slider body can separate with injection moulding product smoothly.

Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: little cover half slider structure in shared space, have following advantage:

1. the mold structure occupies small space and is suitable for a multi-cavity mold (more than or equal to 2 cavities).

2. The defects of the appearance surface like an oil cylinder can be effectively avoided.

3. The structure is simple to disassemble and assemble and easy to maintain later-period products.

The optimized fixed die slide block structure is generally used for products with smaller specifications (the length and the width are less than or equal to 80 MM), fewer cavities (more than or equal to 2 cavities) and special product appearance requirements.

Drawings

Fig. 1 is a first structural schematic diagram of a fixed mold slider structure occupying a small space according to the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a second schematic structural view of the fixed mold slider structure occupying a small space according to the present invention;

fig. 4 is a partially enlarged view of the utility model at B in fig. 3;

fig. 5 is a third schematic structural view of the fixed mold slide block structure occupying a small space according to the present invention;

fig. 6 is an enlarged view of a portion of fig. 3C according to the present invention;

fig. 7 is a schematic structural view of the plastic product of the present invention;

FIG. 8 is a cross-sectional view of the plastic product of the present invention;

fig. 9 is the traditional hydro-cylinder breaks away from cover half back-off structure schematic diagram of loosing core.

In the figure: the device comprises an elastic plate 1, an elastic plate limit screw 11, a T-shaped groove fixing screw 12, a stroke limit groove 13, a moving gap 14, an A plate 2, a B plate 3, a moving die core 4, a guide hole 41, a fixed die core 5, a fixed die slide T-shaped groove 6, a U-shaped groove 61, an inclined guide part 62, an inclined surface 63, a fixed die slide body 7, a through hole 71, an inclined surface 72, a damper 8, a spring 9, an oil cylinder body 101, an oil cylinder piston rod 102, a slide block locking block 103, a slide block pressing strip 104, a slide block back-shovel 105, a slide block seat body 106, a slide block insert 107, a slide block embedding needle 108 and a slide block wear-resisting piece 109.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

Examples

The structure of the plastic product 100 as shown in fig. 7 and 8 is small, having a length of only 20.0mm.

As shown in fig. 9, the moving steps of the oil cylinder separating from the fixed mold back-off core pulling structure in the prior art are as follows:

the oil cylinder body 101 moves upwards under the driving of oil pressure, and the connecting block drives the sliding block locking block 103 to move, so that the sliding block seat body 106 is driven to move back and forth to be separated from the reverse buckle and be normally matched with the die.

When the insert pin 108 of the slide block is separated from the reverse buckle, the clamping unit keeps the male template and the female template from moving.

And when the stroke of the oil cylinder body 101 is completely opened, opening the male template and the female template under the driving force of the machine table.

And finally, when the mold is completely opened, the ejection system acts the ejection pin to eject the product.

The conventional back-off core pulling structure shown in fig. 9 does not facilitate the core pulling of the plastic product 100.

On the basis of the prior art, a core pulling structure is improved, and as shown in fig. 1-6, the fixed die slide block structure which occupies a small space comprises an elastic plate 1, an a plate 2, a B plate 3, a movable die core 4, a fixed die core 5 and a plurality of fixed die slide block T-shaped grooves 6, wherein the elastic plate 1, the a plate 2 and the B plate 3 are sequentially arranged from top to bottom, the movable die core 4 is arranged on the lower end surface of the a plate 2, the fixed die core 5 is arranged on the upper end surface of the B plate 3, the movable die core 4 and the fixed die core 5 are buckled together from top to bottom, the fixed die slide block T-shaped grooves 6 are connected with the elastic plate 1, and the fixed die slide block T-shaped grooves 6 penetrate through the a plate 2 and are arranged in the movable die core 4; the fixed die slider T-shaped groove 6 is connected with a fixed die slider body 7 or two fixed die slider bodies 7 which are symmetrically arranged, and one end, far away from the fixed die slider T-shaped groove 6, of each fixed die slider body 7 extends into a forming cavity between the movable die cavity 4 and the fixed die cavity 5.

In the structure, the lower end part of the fixed die slide T-shaped groove 6 is provided with a U-shaped groove I61 or two symmetrically arranged U-shaped grooves I61, and the U-shaped groove I61 divides an inclined guide part 62 at the lower end part of the fixed die slide T-shaped groove 6. The fixed die slide body 7 is obliquely arranged, a first through hole 71 is formed in the upper end portion of the fixed die slide body 7, and the oblique guide portion 62 is arranged in the first through hole 71. The inner wall of the first U-shaped groove 61 is provided with a first inclined surface 63, the inner wall of the first through hole 71 is provided with a second inclined surface 72, and the first inclined surface 63 is in contact with the second inclined surface 72. The movable die core 4 is provided with a plurality of guide holes 41, the cross sections of the guide holes 41 are rectangular, the guide holes 41 are obliquely arranged, the fixed die slide body 7 is arranged in the guide holes 41, and the fixed die slide body 7 is in sliding connection with the guide holes 41.

Furthermore, be equipped with diving board limit screw 11 and T type groove set screw 12 on diving board 1, be equipped with stroke limit groove 13 on the diving board 1, the head setting of diving board limit screw 11 is in stroke limit groove 13 to be equipped with removal clearance 14 between the head of diving board limit screw 11 and the bottom surface of stroke limit groove 13, the double-screw bolt part of diving board limit screw 11 runs through diving board 1 and A board 2 and connects, the upper end and the T type groove set screw 12 of cover half slider T type groove 6 are connected.

In addition, a plurality of dampers 8 are arranged between the A plate 2 and the B plate 3. A plurality of springs 9 are arranged between the elastic plate 1 and the A plate 2.

The utility model discloses the theory of operation of the little cover half slider structure in shared space does:

1. as shown in figure 1, a plurality of springs 9 are in a compressed state during mold closing, a plurality of springs 9 have upward force to be used for springing open the springboard 1, and the A board 2 and the B board 3 ensure that the springboard 1 is preferentially opened during mold opening because the mold closing force of a plurality of dampers 8 is greater than the elastic force of the springboard 1.

2. As shown in fig. 3, when the mold is opened, the elastic plate 1 is opened first, the fixed mold slider T-shaped groove 6 is fixed on the elastic plate 1 by a screw and is opened at the same time, the fixed mold slider T-shaped groove 6 drives the fixed mold slider body 7 to be separated from the reverse buckle of the injection product 100, and the specific moving process is that the fixed mold slider T-shaped groove 6 moves upwards, so that the first inclined surface 63 and the second inclined surface 72 are displaced relatively, and the fixed mold slider body 7 is driven to be drawn out along the inclined guide hole 41.

3. As shown in FIG. 5, after the elastic plate 1 moves for 5.0MM and the fixed die slide body 7 is completely separated from the back-off of the injection product 100, the elastic plate limiting screw 11 prevents the elastic plate 1 from moving and the A plate 2 and the B plate 3 are opened.

4. And finally, when the mold is completely opened, the ejection system acts to eject the injection molding product 100 by the ejection pin.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a cover half slider structure that shared space is little which characterized in that: the die comprises an elastic plate (1), an A plate (2), a B plate (3), a movable die core (4), a fixed die core (5) and a plurality of fixed die slider T-shaped grooves (6), wherein the elastic plate (1), the A plate (2) and the B plate (3) are sequentially arranged from top to bottom, the movable die core (4) is arranged on the lower end face of the A plate (2), the fixed die core (5) is arranged on the upper end face of the B plate (3), the movable die core (4) and the fixed die core (5) are buckled together from top to bottom, the fixed die slider T-shaped grooves (6) are connected with the elastic plate (1), and the fixed die slider T-shaped grooves (6) penetrate through the A plate (2) and are arranged in the movable die core (4);

the fixed die slider is characterized in that the fixed die slider T-shaped groove (6) is connected with a fixed die slider body (7) or two fixed die slider bodies (7) which are symmetrically arranged, and one end, far away from the fixed die slider T-shaped groove (6), of the fixed die slider body (7) extends into a forming cavity between the movable die core (4) and the fixed die core (5).

2. The fixed mold slide structure occupying a small space according to claim 1, wherein: the lower end of the fixed die slide T-shaped groove (6) is provided with a first U-shaped groove (61) or two symmetrically arranged first U-shaped grooves (61), and the first U-shaped groove (61) divides an inclined guide part (62) at the lower end of the fixed die slide T-shaped groove (6).

3. A fixed mold slide block structure occupying small space according to claim 2, wherein: the fixed die sliding block body (7) is obliquely arranged, a first through hole (71) is formed in the upper end portion of the fixed die sliding block body (7), and the oblique guide portion (62) is arranged in the first through hole (71).

4. A fixed mold slide block structure occupying small space according to claim 3, wherein: the inner wall of the U-shaped groove I (61) is provided with a first inclined surface (63), the inner wall of the through hole I (71) is provided with a second inclined surface (72), and the first inclined surface (63) is in contact with the second inclined surface (72).

5. A fixed mold slide block structure occupying small space according to claim 1, wherein: be equipped with diving board stop screw (11) and T type groove fixed screw (12) on diving board (1), be equipped with stroke limit groove (13) on diving board (1), the head setting of diving board stop screw (11) is in stroke limit groove (13) to be equipped with removal clearance (14) between the head of diving board stop screw (11) and the bottom surface of stroke limit groove (13), the double-screw bolt part of diving board stop screw (11) runs through diving board (1) and A board (2) and connects, the upper end and the T type groove fixed screw (12) of cover half slider T type groove (6) are connected.

6. A fixed mold slide block structure occupying small space according to claim 5, wherein: and a plurality of dampers (8) are arranged between the plate A (2) and the plate B (3).

7. A fixed mold slide block structure occupying small space according to claim 6, wherein: a plurality of springs (9) are arranged between the elastic plate (1) and the A plate (2).

8. A fixed mold slide block structure occupying small space according to claim 1, wherein: the die is characterized in that a plurality of guide holes (41) are formed in the movable die core (4), the cross sections of the guide holes (41) are rectangular, the guide holes (41) are obliquely arranged, the fixed die sliding block body (7) is arranged in the guide holes (41), and the fixed die sliding block body (7) is connected with the guide holes (41) in a sliding mode.

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