CN214926436U

CN214926436U - Injection molding mechanism with protective structure for box production

Info

Publication number: CN214926436U
Application number: CN202023220223.9U
Authority: CN
Inventors: 张旗; 邹元华; 崔路军; 莫晓禹; 胡志强
Original assignee: Hubei Qingda Technology Co ltd
Current assignee: Hubei Qingda Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-11-30
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a box body production is with mechanism of moulding plastics that has protective structure belongs to the technical field of moulding plastics, and it includes the device main part, the equal fixedly connected with electric telescopic handle in the left and right sides of device main part upper surface, two electric telescopic handle's upper surface and the lower fixed surface of same last mould are connected. This box body production is with mechanism of moulding plastics that has protective structure, through being provided with the articulated piece of linkage, the lower surface of going up the mould can extrude the regulation ratch of both sides, the articulated piece of linkage that drives through the linkage articulated rod and correspond moves to both sides, ejecting articulated rod can drive ejecting piece decline and ejecting groove and closely laminate, through the reaction force of elasticity telescopic link when the rising of going up the mould, it is ejecting with the shaping article to make the articulated piece of both sides linkage move ejecting piece to the middle part and rise, it is ejecting with the shaping article of inside automatically, prevent that the shaping article from receiving the damage, the personnel of being convenient for mould plastics take out the shaping article, the defective number of injection moulding product has been reduced, thereby improve the quality of injection moulding product.

Description

Injection molding mechanism with protective structure for box production

Technical Field

The utility model belongs to the technical field of mould plastics, specifically be a box production is with mechanism of moulding plastics that has protective structure.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.

After the injection mold is processed, demolding of materials of the injection mold is difficult frequently, in order to facilitate demolding, an ejection mechanism is arranged in the injection mold generally, the traditional injection mold ejection mechanism ejects the injection materials out through a plurality of ejector pins generally when in use, however, as the mold is just cast, the fragility degree of the materials of the injection mold cannot meet the standard of a cooled finished product generally, the ejector pins leave marks on the surface of the injection materials which are not cooled extremely easily when in use, the injection materials are damaged easily when in demolding, the number of defective products can be increased, certain economic loss is caused, and therefore the injection mold mechanism with the protective structure for producing the box body is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art's above-mentioned defect, the utility model provides a box production is with mechanism of moulding plastics that has protective structure, solved injection mold after processing is accomplished, the drawing of patterns of its material is often comparatively difficult, in order to facilitate the work of carrying out the drawing of patterns, can all be provided with ejection mechanism in injection mold usually, traditional injection mold ejection mechanism is ejecting through a plurality of thimbles with the material of moulding plastics usually when using, however because the mould has just been cast and is accomplished, its material fragile degree often can not reach the off-the-shelf standard in cooling, the thimble leaves the vestige to uncooled material surface of moulding plastics very easily when using, this also leads to the material of moulding plastics to cause the damage easily when the drawing of patterns, can improve the quantity of wastrel, cause certain economic loss's problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a box production is with mechanism of moulding plastics that has protective structure, includes the device main part, the equal fixedly connected with electric telescopic handle in the left and right sides of device main part upper surface, two electric telescopic handle's upper surface and the lower fixed surface of same top die utensil are connected, the inner wall of device main part is provided with the bed die, the adjustment tank has all been seted up to the both sides of bed die upper surface, the linkage groove has been seted up to the inside of bed die, the inner wall sliding connection of adjustment tank has the regulation ratch, there are two linkage gears in the front of linkage inslot wall and the back through bearing swing joint, the surface of linkage gear meshes with the left surface that corresponds the regulation ratch mutually, there is the linkage hinge bar in the front of linkage gear through round pin axle swing joint.

Four resetting chutes are formed in the front of the inner wall of the linkage groove, the inner wall sliding connection corresponding to the two resetting chutes is connected with the same linkage hinge block, one end, far away from the corresponding linkage gear, of the linkage hinge rod is movably connected with the right side face of the corresponding linkage hinge block through a pin shaft, the lower surface sliding connection of the inner wall of the lower die is connected with the ejection block, the bottom end of the ejection block is movably connected with two ejection hinge rods through pin shafts, and one end, far away from the corresponding ejection block, of the ejection hinge rod is movably connected with the left side face of the corresponding linkage hinge block through a pin shaft.

As a further aspect of the present invention: two limiting sliding grooves are formed in the lower surface of the inner wall of the device main body, and limiting sliding blocks are connected to the inner walls of the two limiting sliding grooves in a sliding mode.

As a further aspect of the present invention: the supporting legs are fixedly connected to four corners of the lower surface of the device main body, and the top ends of the two limiting sliding blocks are fixedly connected to the lower surface of the lower die.

As a further aspect of the present invention: the lower surface of the lower die is fixedly connected with the upper surface of the adjusting threaded rod, and the inner wall of the upper die is in threaded connection with the outer surface of the adjusting threaded rod.

As a further aspect of the present invention: the one end at the adjusting threaded rod back passes through bearing swing joint in the front of device main part inner wall, the positive one end of adjusting threaded rod passes the joint at the bearing at the device main part inner wall back and adjusts the back fixed connection who shakes the handle.

As a further aspect of the present invention: the ejecting groove that the upper surface of device main part inner wall set up is trapezoidal with ejecting piece, corresponds two elastic telescopic links of left surface and the right flank fixedly connected with of the articulated piece of same linkage of two spout inner walls that reset.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. this box body production is with mechanism of moulding plastics that has protective structure, through being provided with the regulation ratch, the linked gear, the linkage hinge bar, ejecting piece, ejecting hinge bar and linkage hinge piece, the lower surface of upper mould can extrude the top of both sides regulation ratch when the upper mould descends, because adjust ratch and linkage gear mesh, the linkage gear can drive the articulated piece of linkage that corresponds to both sides through the linkage hinge bar and move to both sides, ejecting hinge bar can drive ejecting piece decline and ejecting groove and closely laminate, through the reaction force of elasticity telescopic link when the upper mould rises, make the articulated piece of both sides linkage move ejecting piece to the middle part and rise and ejecting the shaping article, it is automatic ejecting with the shaping article of inside, prevent that the shaping article from receiving the damage, the personnel of moulding plastics take out the shaping article, the defective number of injection moulding products has been reduced, thereby improve the quality of injection moulding products.

2. This box body production is with mechanism of moulding plastics that has protective structure waves the handle through being provided with removal screw thread section of thick bamboo, adjusting threaded rod and regulation, before getting the shaping article, waves the handle through rotatory regulation and drives the lower mould and remove to positive direction, moves outside the mould lower surface until the lower mould, then takes out the shaping article again, prevents to mould plastics personnel because the mistake bumps the control key and leads to going up the mould decline to improve this mechanism of moulding plastics's protecting effect.

3. This box body production is with mechanism of moulding plastics that has protective structure through being provided with spacing spout and spacing slider, carries on spacingly through spacing spout and spacing slider to the bed die, prevents that the bed die can follow adjusting threaded rod and rock together when the rotation regulation threaded rod, guarantees through spacing slider that the bed die is in the horizontality to guarantee the stability of bed die when moulding plastics and removing.

Drawings

Fig. 1 is a schematic structural view of a front view section of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic structural view of a front view section of the lower mold of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention;

in the figure: the device comprises a device body 1, an electric telescopic rod 2, an upper die 3, a limiting sliding groove 4, a limiting sliding block 5, a lower die 6, a linkage groove 7, an adjusting groove 8, an adjusting toothed bar 9, a linkage gear 10, a linkage hinge rod 11, a movable threaded barrel 12, an adjusting threaded rod 13, an ejection block 14, an ejection hinge rod 15, a reset sliding groove 16, an elastic telescopic rod 17, an ejection hinge block 18 and a rocking handle 19.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-4, the utility model provides a technical solution: an injection molding mechanism with a protective structure for box production comprises a device main body 1, wherein the left side and the right side of the upper surface of the device main body 1 are fixedly connected with electric telescopic rods 2, the upper surfaces of the two electric telescopic rods 2 are fixedly connected with the lower surface of the same upper die 3, the inner wall of the device main body 1 is provided with a lower die 6, two sides of the upper surface of the lower die 6 are respectively provided with an adjusting groove 8, the inner part of the lower die 6 is provided with a linkage groove 7, the inner wall of the adjusting groove 8 is connected with an adjusting toothed bar 9 in a sliding manner, the front side and the back side of the inner wall of the linkage groove 7 are movably connected with two linkage gears 10 through bearings, the outer surfaces of the linkage gears 10 are meshed with the left side surfaces of the corresponding adjusting toothed bars 9, the front side of the linkage gears 10 is movably connected with a linkage hinge bar 11 through a pin shaft, the adjusting toothed bar 9 and the linkage gears 10 are arranged, and the adjusting toothed bar 9 is meshed with the linkage gears 10, the linkage gear 10 drives the corresponding linkage hinge block 18 to move to both sides through the linkage hinge rod 11.

Four reset chutes 16 are formed in the front of the inner wall of the linkage groove 7, the inner wall corresponding to the two reset chutes 16 is slidably connected with the same linkage hinge block 18, one end of the linkage hinge rod 11 far from the corresponding linkage gear 10 is movably connected with the right side face corresponding to the linkage hinge block 18 through a pin shaft, the lower surface of the inner wall of the lower die 6 is slidably connected with the ejection block 14, the ejection block 14 and the ejection groove are both in a shape of a trapezoid ejection block 14 and are tightly attached to the ejection groove, raw materials are prevented from entering the gap, the ejection effect is stable, and therefore the bottom end of the ejection block 14 is movably connected with the two ejection hinge rods 15 through pin shafts, and one end of the ejection hinge rod 15 far from the corresponding ejection block 14 is movably connected to the left side face corresponding to the linkage hinge block 18 through a pin shaft.

Specifically, as shown in fig. 1 and 3, the lower surface of the inner wall of the device main body 1 is provided with two limiting chutes 4, the inner walls of the two limiting chutes 4 are both connected with limiting sliding blocks 5 in a sliding manner, the lower die 6 is limited by the limiting chutes 4 and the limiting sliding blocks 5, the lower die 6 is prevented from shaking along with the adjusting threaded rod 13 when the adjusting threaded rod 13 is rotated, the lower die 6 is ensured to be in a horizontal state by the limiting sliding blocks 5, so that the stability of the lower die 6 during injection molding and moving is ensured, supporting legs are fixedly connected at four corners of the lower surface of the device main body 1, the top ends of the two limiting sliding blocks 5 are fixedly connected with the lower surface of the lower die 6, the lower surface of the lower die 6 is fixedly connected with the upper surface of the adjusting threaded rod 13, and the inner wall of the upper die 3 is in threaded connection with the outer surface of the adjusting threaded rod 13, one end of the back of the adjusting threaded rod 13 is movably connected to the front of the inner wall of the device main body 1 through a bearing, and one end of the front of the adjusting threaded rod 13 penetrates through the bearing clamped to the back of the inner wall of the device main body 1 and is fixedly connected with the back of the adjusting shaking handle 19.

Specifically, as shown in fig. 2 and 3, the ejecting groove and the ejecting block 14 formed in the upper surface of the inner wall of the device body 1 are trapezoidal, two elastic telescopic rods 17 are fixedly connected to the left side surfaces of the inner walls of the two reset sliding grooves 16 and the right side surface of the same linkage hinge block 18, and by means of the elastic telescopic rods 17, when the upper mold 3 rises, the linkage hinge blocks 18 on the two sides move towards the middle to lift the ejecting block 14, so that the molded product is ejected.

The utility model discloses a theory of operation does:

s1, when the upper die 3 descends, the lower surface of the upper die 3 extrudes the top ends of the two side adjusting toothed bars 9, because the adjusting toothed bars 9 are meshed with the linkage gear 10, the linkage gear 10 drives the corresponding linkage hinge blocks 18 to move towards two sides through the linkage hinge bars 11, the ejection hinge bars 15 drive the ejection blocks 14 to descend to be tightly attached to the ejection grooves, and when the upper die 3 ascends, the linkage hinge blocks 18 at two sides move towards the middle to move the ejection blocks 14 to ascend so as to eject the formed product through the reaction force of the elastic telescopic rods 17;

s2, before the molded product is taken out, the lower die 6 is driven to move towards the front direction by rotating, adjusting and shaking the handle 19 until the lower die 6 moves to the outside of the lower surface of the upper die 3, and then the molded product is taken out, so that the upper die 3 is prevented from descending due to the fact that an injection molding person touches a control key by mistake.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a box production is with mechanism of moulding plastics that has protective structure, includes device main part (1), its characterized in that: the device comprises a device main body (1), wherein electric telescopic rods (2) are fixedly connected to the left side and the right side of the upper surface of the device main body (1), the upper surfaces of the two electric telescopic rods (2) are fixedly connected with the lower surface of the same upper die (3), a lower die (6) is arranged on the inner wall of the device main body (1), adjusting grooves (8) are formed in the two sides of the upper surface of the lower die (6), a linkage groove (7) is formed in the lower die (6), an adjusting toothed bar (9) is connected to the inner wall of each adjusting groove (8) in a sliding manner, two linkage gears (10) are movably connected to the front surface and the back surface of the inner wall of each linkage groove (7) through bearings, the outer surfaces of the linkage gears (10) are meshed with the left side surfaces of the corresponding adjusting toothed bars (9), and linkage hinged bars (11) are movably connected to the front surfaces of the linkage gears (10) through pin shafts;

four chutes (16) that reset have been seted up in the front of linkage groove (7) inner wall, and the inner wall sliding connection who corresponds two chutes (16) that reset has same linkage hinge piece (18), the one end that corresponds linkage gear (10) is kept away from in linkage hinge bar (11) passes through round pin axle swing joint with the right flank that corresponds linkage hinge piece (18), the lower surface sliding connection of bed die (6) inner wall has ejecting piece (14), the bottom of ejecting piece (14) has two ejecting hinge bar (15) through round pin axle swing joint, ejecting hinge bar (15) are kept away from the one end that corresponds ejecting piece (14) and are passed through round pin axle swing joint at the left surface that corresponds linkage hinge piece (18).

2. The injection molding mechanism with a protective structure for producing a box body according to claim 1, wherein: two limiting sliding grooves (4) are formed in the lower surface of the inner wall of the device main body (1), and limiting sliding blocks (5) are connected to the inner walls of the two limiting sliding grooves (4) in a sliding mode.

3. The injection molding mechanism with a protective structure for producing a box body according to claim 2, wherein: the supporting legs are fixedly connected to four corners of the lower surface of the device main body (1), and the top ends of the two limiting sliding blocks (5) are fixedly connected to the lower surface of the lower die (6).

4. An injection molding mechanism with a protective structure for producing a box body according to claim 3, characterized in that: the lower surface of the lower die (6) is fixedly connected with the upper surface of the adjusting threaded rod (13), and the inner wall of the upper die (3) is in threaded connection with the outer surface of the adjusting threaded rod (13).

5. The injection molding mechanism with a protective structure for producing a box body according to claim 4, wherein: the one end at the back of adjusting threaded rod (13) passes through bearing swing joint in the front of device main part (1) inner wall, the positive one end of adjusting threaded rod (13) is passed the joint and is waved the back fixed connection of handle (19) with the regulation at the bearing at device main part (1) inner wall back.

6. The injection molding mechanism with a protective structure for producing a box body according to claim 1, wherein: the device is characterized in that an ejection groove and an ejection block (14) which are arranged on the upper surface of the inner wall of the device main body (1) are trapezoidal, and two elastic telescopic rods (17) are fixedly connected to the left side surfaces of the inner walls of the two reset sliding grooves (16) and the right side surface of the same linkage hinge block (18).