CN213035157U

CN213035157U - Pouring device for injection molding of mold

Info

Publication number: CN213035157U
Application number: CN202021718881.8U
Authority: CN
Inventors: 杨玉祥; 左云
Original assignee: Tianjin Radium Carter Precision Mould Co ltd
Current assignee: Tianjin Radium Carter Precision Mould Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-04-23
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a pouring device for mould is moulded plastics belongs to mould pouring technical field, and it includes the bottom plate, the upper surface of bottom plate is provided with the biax motor, two equal fixedly connected with cams of output shaft of biax motor, the equal overlap joint in the lower surface of backup pad in the top of two cams, the equal fixedly connected with fixed block in four corners department of bottom plate upper surface, the opposite face fixed connection that is located two fixed blocks of rear side both ends about same slide bar. This a pouring device for mould is moulded plastics, through setting up the double-shaft motor, utilize two output shaft rotations of double-shaft motor to drive the cam and rotate, when two cam motion are topmost, can drive the backup pad upward movement, when two cam motion are the least significant end, the backup pad is at last mould and the effect of bed die gravity down and the downstream for mould plastics evenly fall into between mould and the bed die, thereby guarantee that injection moulding's quality becomes better.

Description

Pouring device for injection molding of mold

Technical Field

The utility model belongs to the technical field of the mould pouring, specifically be a pouring device for mould is moulded plastics.

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. 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 by an injection molding machine, and a formed product is obtained after cooling and solidification.

When the existing injection mold is used for pouring, because most of the injection molds are static and air is contained in the molds, heated and melted plastic slowly enters the molds, so that the melted plastic is unevenly distributed, or air cavities are left on injection molding workpieces, the quality of the injection molding workpieces is different, and the production quality of the injection molding workpieces is seriously influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above defect of prior art, the utility model provides a pouring device for mould is moulded plastics has solved current injection mold when pouring, because the mould majority motionless, and the inside air that contains of mould, leads to being heated the plastics that melts easily and get into the mould inside comparatively slowly, causes to melt plastics and distributes inhomogeneously, perhaps leaves the air cavity on the work piece of moulding plastics, seriously influences the problem of the work piece quality of moulding plastics.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a pouring device for injection molding of a mold comprises a bottom plate, wherein a double-shaft motor is arranged on the upper surface of the bottom plate, two output shafts of the double-shaft motor are fixedly connected with cams, the top ends of the two cams are lapped on the lower surface of a supporting plate, four corners of the upper surface of the bottom plate are fixedly connected with fixed blocks, opposite surfaces of the two fixed blocks positioned on the rear side are fixedly connected with the left end and the right end of the same sliding rod, two sliding sleeves are sleeved on the surface of the sliding rod, the front surfaces of the two sliding sleeves are movably connected with the lower part of the back surface of a connecting rod through a pin shaft, the top ends of the two connecting rods are movably connected with the lower surface of the supporting plate through a first hinge, a lower mold is lapped on the upper surface of the supporting plate, clamping mechanisms are lapped on the left side surface and the right side surface of the lower mold, the upper surface of the upper die is provided with an injection molding pipe, and the injection molding pipe is made of an organ hose.

As a further aspect of the present invention: the positions of the upper surface of the bottom plate, corresponding to the two cams, are provided with through grooves, and the width of each through groove is larger than the thickness of each cam.

As a further aspect of the present invention: the surface of the sliding rod is sleeved with a spring, and the left end and the right end of the spring are respectively and fixedly connected with opposite ends of the two sliding sleeves.

As a further aspect of the present invention: the left side surface and the right side surface of the upper die are movably connected with the top ends of the fixing rods through second hinges, clamping blocks are fixedly connected below the opposite surfaces of the two fixing rods, the two clamping blocks are clamped in the clamping grooves, and the two clamping grooves are formed in the upper portions of the left side surface and the right side surface of the lower die respectively.

As a further aspect of the present invention: the right side face of the inner wall of the clamping groove is fixedly connected with a magnetic block, the right side face of the magnetic block is lapped on the left side face of a clamping block, and the clamping block is made of a magnetic material.

As a further aspect of the present invention: the equal fixedly connected with supporting leg in four corners department of bottom plate lower surface, the lower surface of supporting leg is provided with the slipmat.

(III) advantageous effects

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

1. this a pouring device for mould is moulded plastics, through setting up the biax motor, utilize two output shaft rotations of biax motor to drive the cam and rotate, when two cam motion are topmost, can drive backup pad upward movement, when two cam motion are lowest, the backup pad is at last mould and the effect of bed die gravity and downstream, the in-process of backup pad vibrations from top to bottom simultaneously, can drive two sliding sleeves through two connecting rods to the direction motion that is close to each other or keeps away from each other, make the stable top that is located the bottom plate of backup pad, mould and bed die continuously vibrate in the time can not influenced, make mould plastics evenly fall into between mould and the bed die, thereby guarantee that the quality of the work piece of moulding plastics becomes better.

2. This a pouring device for mould is moulded plastics, through setting up second hinge, dead lever, fixture block, draw-in groove and magnetic path, utilize the fixture block card to advance in the draw-in groove, the fixture block is lived to the magnetic force of magnetic path simultaneously for the stable joint of fixture block is in the draw-in groove, thereby has guaranteed the stable installation of mould on the bed die, and it is convenient to have brought for the workman installs the mould, and through shifting out the fixture block, the mould on the dismantlement that can be quick, thereby has reduced the degree of difficulty of workman's installation and dismantlement.

3. This a pouring device for mould is moulded plastics through setting up logical groove, when the cam is rotatory along with the output shaft of biax motor, prevents that the cam from touching on the bottom plate, restricts the scope of cam motion to guaranteed that the cam is normal along with the output shaft rotation of biax motor and continuous rotation.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of part A of the present invention;

fig. 3 is a structural schematic diagram of the cam of the present invention viewed from the left;

in the figure: the device comprises a base plate 1, a double-shaft motor 2, a cam 3, a supporting plate 4, a through groove 5, a fixing block 6, a sliding rod 7, a sliding sleeve 8, a spring 9, a pin shaft 10, a connecting rod 11, a first hinge 12, a lower die 13, a clamping mechanism 14, an upper die 15, an injection molding pipe 16, a second hinge 17, a fixing rod 18, a clamping block 19, a clamping groove 20, a magnetic block 21 and a supporting leg 22.

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. 1-3, the utility model provides a technical solution: a pouring device for injection molding of a mold comprises a bottom plate 1, a double-shaft motor 2 is arranged on the upper surface of the bottom plate 1, cams 3 are fixedly connected to two output shafts of the double-shaft motor 2, the top ends of the two cams 3 are lapped on the lower surface of a supporting plate 4, the double-shaft motor 2 and the cams 3 are arranged, the two output shafts of the double-shaft motor 2 are used for rotating to drive the two cams 3 to rotate, the supporting plate 4 can be lifted up discontinuously in the rotating process of the two cams 3, the upper mold 15 and the lower mold 13 on the supporting plate 4 can be continuously vibrated by matching the gravity of the upper mold 15 and the gravity of the lower mold 13, the injection molding can uniformly fall into cavities of the upper mold 15 and the lower mold 13, the quality of an injection molding workpiece is ensured to be better, fixed blocks 6 are fixedly connected to four corners of the upper surface of the bottom plate 1, opposite surfaces of the two fixed blocks 6 on the, the surface of the sliding rod 7 is sleeved with two sliding sleeves 8, the front sides of the two sliding sleeves 8 are movably connected with the lower part of the back side of the connecting rod 11 through a pin shaft 10, the top ends of the two connecting rods 11 are movably connected with the lower surface of the supporting plate 4 through a first hinge 12, by arranging the fixing block 6, the sliding rods 7, the sliding sleeves 8, the pin shaft 10, the connecting rod 11 and the first hinge 12, when the two cams 3 move to the topmost ends, the supporting plate 4 can be driven to move upwards, meanwhile, the supporting plate 4 drives the two sliding sleeves 8 to slide on the sliding rod 7 in the direction away from each other through the first hinge 12, the connecting rod 11 and the pin shaft 10, when the two cams 3 move to the lowest ends, the supporting plate 4 automatically moves downwards under the action of the gravity of the upper mold 15 and the lower mold 13, at the moment, the supporting plate 4 drives the two sliding sleeves 8 to move on the sliding rod 7, the mechanism can play a role of supporting the supporting plate 4, the vertical vibration of the supporting plate 4 is not influenced, the upper surface of the supporting plate 4 is lapped with the lower die 13, the left side surface and the right side surface of the lower die 13 are lapped with the clamping mechanisms 14, the lower surfaces of the two clamping mechanisms 14 are respectively and fixedly connected with the upper surface of the supporting plate 4, the clamping mechanisms 14 are arranged, the lower die 13 placed on the supporting plate 4 is clamped by the clamping mechanisms 14, the lower die 13 can be stably fixed on the supporting plate 4, meanwhile, different types of lower dies 13 can be rapidly replaced, the practicability of the device is improved, the upper die 15 is clamped above the lower die 13, the upper surface of the upper die 15 is provided with the injection molding pipe 16, the injection molding pipe 16 is made of an organ hose, the injection molding pipe 16 is communicated with the upper die 15 by the injection molding pipe 16, and the upper die 15 can be poured, and the injection molding pipe 16 is made of an organ hose, so that the injection molding pipe can be extended or shortened along with the vertical vibration of the upper die 15, and the normal operation of the pouring process is ensured.

Specifically, as shown in fig. 1, through grooves 5 are formed in the upper surface of the base plate 1 at positions corresponding to the two cams 3, the width of each through groove 5 is larger than the thickness of each cam 3, the through grooves 5 prevent the cams 3 from touching the base plate 1 when the cams 3 rotate along with the output shaft of the double-shaft motor 2, and limit the movement range of the cams 3, so as to ensure the cams 3 to normally rotate continuously along with the rotation of the output shaft of the double-shaft motor 2, springs 9 are sleeved on the surfaces of the sliding rods 7, the left end and the right end of each spring 9 are respectively fixedly connected to the opposite ends of the two sliding sleeves 8, and by arranging the springs 9, when the support plate 4 moves downwards under the action of gravity, the support plate 4 drives the sliding sleeves 8 to move towards directions close to each other through the connecting rods 11, the springs 9 are compressed, and the elastic force generated by the, reduce backup pad 4's impact force, the equal fixedly connected with supporting leg 22 of four corners department of 1 lower surface of bottom plate, supporting leg 22's lower surface is provided with the slipmat, through setting up supporting leg 22, utilize supporting leg 22 to make the support of bottom plate 1 become more stable, make simultaneously to have certain distance between bottom plate 1 and the ground, prevent that cam 3 from touching ground at the in-process that passes logical groove 5.

Specifically, as shown in fig. 1 and 2, the left and right side surfaces of the upper die 15 are movably connected to the top ends of the fixing rods 18 through the second hinges 17, the lower portions of the opposite surfaces of the two fixing rods 18 are fixedly connected with the fixture blocks 19, the two fixture blocks 19 are clamped in the clamping grooves 20, the two clamping grooves 20 are respectively formed above the left and right side surfaces of the lower die 13, the right side surface of the inner wall of the clamping groove 20 is fixedly connected with the magnetic block 21, the right side surface of the magnetic block 21 is lapped on the left side surface of the fixture block 19, the fixture block 19 is made of a magnetic material, the fixture block 19 is clamped into the clamping groove 20 through the second hinges 17, the fixing rods 18, the fixture block 19, the clamping grooves 20 and the magnetic block 21, the fixture block 19 is adsorbed by the magnetic force of the magnetic block 21, the fixture block 19 is stably clamped in the clamping groove 20, so that the upper die 15 is stably mounted on the lower die, the upper die 15 can be quickly disassembled, thereby reducing the difficulty of assembling and disassembling by workers.

The utility model discloses a theory of operation does:

s1, when the clamping fixture is used, a worker places the lower die 13 on the supporting plate 4, clamps the lower die 13 through the clamping mechanism 14, then installs the upper die 15 on the lower die 13, enables the fixture block 19 to be clamped in the clamping groove 20 through rotating the fixing rod 18, and enables the fixture block 19 to be attracted by the magnetic block 21 under the action of magnetic force of the magnetic block 21, so that the fixture block 19 is stably clamped in the clamping groove 20;

s2, then, in the process of pouring molten plastic into the upper die 15 and the lower die 13, a worker controls the double-shaft motor 2 to start through an external switch, two output shafts of the double-shaft motor 2 rotate to drive the two cams 3 to rotate, when the two cams 3 move to the topmost end, the two cams 3 drive the support plate 4 to move upwards, meanwhile, the two connecting rods 11 drive the two sliding sleeves 8 to move towards the directions away from each other through the pin shaft 10, so that the springs 9 are in an elongated state, when the two cams 3 move to the lowest end, the support plate 4 automatically moves downwards along with the rotation of the cams 3 under the action of the gravity of the upper die 15 and the lower die 13, at the moment, the two sliding sleeves 8 are extruded by the two connecting rods 11 to move towards the directions close to each other, and the support plate 4 is buffered under the action of;

and S3, finally, controlling the double-shaft motor 2 to stop working through an external switch, fixing the support plate 4 at the position, taking the fixture blocks 19 out of the clamping grooves 20, disassembling the upper die 15, loosening the clamping mechanism 14 and taking the lower die 13 down.

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. A pouring device for injection molding of molds, comprising a bottom plate (1), characterized in that: the upper surface of the bottom plate (1) is provided with a double-shaft motor (2), two output shafts of the double-shaft motor (2) are fixedly connected with cams (3), the top ends of the two cams (3) are lapped on the lower surface of the supporting plate (4), four corners of the upper surface of the bottom plate (1) are fixedly connected with fixed blocks (6), opposite surfaces of the two fixed blocks (6) on the rear side are fixedly connected with the left end and the right end of the same sliding rod (7), the surface of the sliding rod (7) is sleeved with two sliding sleeves (8), the front surfaces of the two sliding sleeves (8) are movably connected with the lower part of the back surface of the connecting rod (11) through pin shafts (10), the top ends of the two connecting rods (11) are movably connected with the lower surface of the supporting plate (4) through first hinges (12), the upper surface of the supporting plate (4) is lapped with a lower die (13), and the left side and the right side surfaces of the, the lower surfaces of the two clamping mechanisms (14) are fixedly connected to the upper surface of the supporting plate (4) respectively, an upper die (15) is clamped above the lower die (13), an injection molding pipe (16) is arranged on the upper surface of the upper die (15), and the injection molding pipe (16) is made of an organ hose.

2. A casting apparatus for injection molding of a mold according to claim 1, wherein: through grooves (5) are formed in the positions, corresponding to the two cams (3), of the upper surface of the bottom plate (1), and the width of each through groove (5) is larger than the thickness of each cam (3).

3. A casting apparatus for injection molding of a mold according to claim 1, wherein: the surface of the sliding rod (7) is sleeved with a spring (9), and the left end and the right end of the spring (9) are respectively and fixedly connected with the opposite ends of the two sliding sleeves (8).

4. A casting apparatus for injection molding of a mold according to claim 1, wherein: the left side face and the right side face of the upper die (15) are movably connected with the top ends of the fixing rods (18) through second hinges (17), the clamping blocks (19) are fixedly connected below opposite faces of the two fixing rods (18), the two clamping blocks (19) are clamped in the clamping grooves (20), and the two clamping grooves (20) are respectively arranged above the left side face and the right side face of the lower die (13).

5. A casting apparatus for injection molding of a mold according to claim 4, wherein: the right side face of the inner wall of the clamping groove (20) is fixedly connected with a magnetic block (21), the right side face of the magnetic block (21) is lapped on the left side face of the clamping block (19), and the clamping block (19) is made of a magnetic material.

6. A casting apparatus for injection molding of a mold according to claim 1, wherein: the all fixedly connected with supporting leg (22) of four corners department of bottom plate (1) lower surface, the lower surface of supporting leg (22) is provided with the slipmat.