CN218985640U

CN218985640U - Leak-proof injection molding machine

Info

Publication number: CN218985640U
Application number: CN202320059892.7U
Authority: CN
Inventors: 史建伟; 陈忠茂; 陈凯
Original assignee: Ningguo Shanhu Machinery Technology Co ltd
Current assignee: Ningguo Shanhu Machinery Technology Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-09
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses a leakage-proof injection molding machine, which comprises a base, wherein an annular cover is fixed above the base, a lower die is arranged at the middle point above the base, an upper die is arranged above the lower die, and a driving ring is rotationally connected to the bottom of the inner side of the annular cover; the lateral wall of annular cover runs through and is provided with the horizontal pole, the one end that the horizontal pole is close to annular cover axis is provided with the fastening piece, the actuating ring is used for driving horizontal pole and fastening piece lateral movement and fastens the mould. After the upper die and the lower die are clamped, the belt pulley is driven to rotate by the motor, the belt is used for driving the driving ring to rotate, the vertical rod moves in the guide groove on the surface of the driving ring, the cross rod and the fastening blocks are driven to transversely move, the fastening blocks can uniformly press the periphery of the upper die after the upper die and the lower die are clamped, the upper die and the lower die are clamped tightly, and leakage caused by overflow of raw materials from the die cavity is further prevented.

Description

Leak-proof injection molding machine

Technical Field

The utility model relates to the technical field related to injection molding machines, in particular to a leakage-proof injection molding machine.

Background

The injection molding is a method that a heated and melted resin raw material is injected into a mold cavity from high pressure, and injection molding products are obtained after cooling and solidification, and the method is suitable for mass production of parts with complex shapes, and is one of important processing methods.

Disclosure of Invention

The utility model aims to provide a leakage-proof injection molding machine, which aims to solve the problem that the existing injection molding machine proposed in the background art cannot uniformly apply pressure to the periphery of an upper die during die assembly, so that after raw materials are injected into a die cavity, the raw materials are easy to overflow from the periphery edges of the die under the action of the pressure to cause leakage.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an anti-leakage injection molding machine comprises a base,

an annular cover is fixed above the base, a lower die is arranged at the middle point above the base, an upper die is arranged above the lower die, a driving ring is rotationally connected to the bottom of the inner side of the annular cover, and guide grooves are formed in the periphery of the surface of the driving ring;

the lateral wall of annular cover runs through and is provided with the horizontal pole, and is fixed with the montant on the horizontal pole, the bottom of montant is located the guide way, the one end that the horizontal pole is close to the annular cover axis is provided with the fastening piece, the actuating ring is used for driving horizontal pole and fastening piece lateral movement and fastens the mould.

Through adopting above-mentioned technical scheme, this drive ring can rotate, and this montant can remove in the guide way inside when the drive ring rotates to drive the horizontal pole and carry out lateral shifting, so that drive the fastening piece and remove to the one end that is close to the annular cover axis after last mould and lower mould compound die, and then can make the fastening piece support and extrude around going up the mould after the compound die, make go up the mould lower mould compound die back inseparabler, prevent that the raw materials from spilling over from the die cavity and causing the waste.

Preferably, a hydraulic cylinder is arranged above the upper die, and the output end of the hydraulic cylinder is connected with the upper die.

By adopting the technical scheme, the hydraulic cylinder can drive the upper die to vertically move so as to lift the upper die.

Preferably, the outer side wall of the annular cover is provided with a motor, the output end of the motor is connected with a belt pulley, and the belt pulley is connected with the driving ring through a belt.

By adopting the technical scheme, the motor can drive the belt pulley to rotate, and the belt pulley can drive the driving ring to rotate through the belt, so that the fastening block is driven to extrude the periphery of the upper die after the die is closed.

Preferably, the through hole is offered to the lateral wall of annular cover, and the inner wall both ends of through-hole are provided with the ball, the horizontal pole is arranged in the through-hole, and the horizontal pole contacts with the ball.

Through adopting above-mentioned technical scheme, this through-hole can lead the lateral shifting of horizontal pole, and the ball of through-hole inner wall can reduce the horizontal pole when lateral shifting with the frictional force between the through-hole inner wall, and then reduces wearing and tearing, improves its life.

Preferably, the fastening block is wedge-shaped, the cross rod and the fastening block are provided with four groups, and the cross rod and the fastening block are arranged around the central axis of the annular cover.

By adopting the technical scheme, the wedge-shaped fastening blocks can generate downward acting force on the upper die after propping against the upper die, so that the pressing effect is achieved, and the periphery of the upper die can be pressed simultaneously due to the arrangement of the plurality of groups of fastening blocks, so that the multipoint pressing effect is achieved.

Preferably, one end of the cross rod, which is close to the central axis of the annular cover, is fixedly provided with a U-shaped frame, the top of the U-shaped frame is provided with a hand wheel, the hand wheel is connected with a screw rod, the screw rod is arranged on the inner side of the U-shaped frame, a screw nut is connected with the surface of the screw rod in a threaded manner, one end of the screw nut is slidably connected with the inner wall of the U-shaped frame, and the other end of the screw nut is fixedly connected with the fastening block.

Through adopting above-mentioned technical scheme, because its thickness of different moulds is different, after the change mould, accessible hand wheel drives the lead screw and rotates, and this lead screw can drive the vertical removal of screw, and then can drive the vertical removal of fastening piece through the screw to after changing the mould, can adjust the vertical position of fastening piece according to the thickness of mould, make it can be applicable to the mould of different thickness.

Compared with the prior art, the utility model has the beneficial effects that: the anti-leakage injection molding machine comprises a main body,

(1) The upper die and the lower die are clamped, the belt pulley is driven to rotate by the motor, the belt pulley drives the driving ring to rotate by the belt, the vertical rod moves in the guide groove on the surface of the driving ring, the transverse rod and the fastening blocks are driven to transversely move, the fastening blocks can uniformly press the periphery of the upper die after the upper die and the lower die are clamped, the upper die and the lower die are clamped tightly, and leakage caused by overflow of raw materials from the die cavity is further prevented;

(2) Be provided with U-shaped frame and lead screw, after changing the mould, rotatable hand wheel drives the lead screw and rotates, makes the lead screw drive the screw and the fastening piece carries out vertical movement, can change the vertical position of fastening piece after the thickness of mould can be according to the mould to make the fastening piece can be applicable to different moulds, improve its application scope.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

fig. 3 is a schematic view of the structure of the L-shaped fixing frame of the present utility model.

In the figure: 1. the device comprises a base, 2, an annular cover, 3, a lower die, 4, an upper die, 5, a hydraulic cylinder, 6, a motor, 7, a belt pulley, 8, a driving ring, 9, a guide groove, 10, a through hole, 11, balls, 12, a cross rod, 13, a vertical rod, 14, a fastening block, 15, a U-shaped frame, 16, a hand wheel, 17, a screw rod, 18 and a screw nut.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: as shown in fig. 1, 2 and 3, an annular cover 2 is fixed above a base 1, a lower die 3 is arranged at the middle point above the base 1, an upper die 4 is arranged above the lower die 3, a driving ring 8 is rotatably connected to the bottom of the inner side of the annular cover 2, and guide grooves 9 are formed in the periphery of the surface of the driving ring 8;

the lateral wall of annular cover 2 runs through and is provided with horizontal pole 12, and is fixed with montant 13 on the horizontal pole 12, and the bottom of montant 13 is arranged in guide way 9, and the one end that horizontal pole 12 is close to annular cover 2 axis is provided with fastening piece 14, and drive ring 8 is used for driving horizontal pole 12 and fastening piece 14 lateral movement and fastens last mould 4.

As shown in fig. 1, a hydraulic cylinder 5 is disposed above the upper die 4, and an output end of the hydraulic cylinder 5 is connected with the upper die 4.

As shown in fig. 1, the outer side wall of the annular cover 2 is provided with a motor 6, and the output end of the motor 6 is connected with a belt pulley 7, and the belt pulley 7 is connected with a driving ring 8 through a belt.

As shown in fig. 1 and 3, the side wall of the annular cover 2 is provided with a through hole 10, and both ends of the inner wall of the through hole 10 are provided with balls 11, a cross bar 12 is located in the through hole 10, and the cross bar 12 is in contact with the balls 11.

As shown in fig. 1, the fastening block 14 has a wedge shape, and the cross bar 12 and the fastening block 14 are provided with four groups, which are all disposed around the central axis of the annular cover 2.

As shown in fig. 1, one end of the cross rod 12, which is close to the central axis of the annular cover 2, is fixed with a U-shaped frame 15, the top of the U-shaped frame 15 is provided with a hand wheel 16, the hand wheel 16 is connected with a screw rod 17, the screw rod 17 is arranged at the inner side of the U-shaped frame 15, the surface of the screw rod 17 is in threaded connection with a screw 18, one end of the screw 18 is in sliding connection with the inner wall of the U-shaped frame 15, and the other end of the screw 18 is fixedly connected with a fastening block 14.

Working principle: when the anti-leakage injection molding machine is used, the upper die 4 is driven to descend through the hydraulic cylinder 5 to be clamped with the lower die 3, after the upper die 4 and the lower die 3 are clamped, the motor 6 is opened to drive the belt pulley 7 to rotate, the belt pulley 8 is driven to rotate through the belt, the vertical rod 13 is driven to move in the guide groove 9 on the surface of the vertical rod during the rotation of the driving ring 8, meanwhile, the vertical rod 13 drives the cross rod 12 to transversely move in the through hole 10 on the side wall of the annular cover 2, the U-shaped frame 15 and the fastening block 14 are driven to be fixed to one end close to the central axis of the annular cover, the fastening block 14 is enabled to abut against the upper die 4 to press the periphery of the upper die 4, raw materials can be injected into the die cavity after the upper die 4 and the lower die 3 are clamped, when the height position of the fastening block 14 is required to be adjusted after the die is replaced, the screw rod 17 is driven to rotate by the top hand wheel 16, the screw rod 17 is driven to move vertically, and the vertical position of the fastening block 14 can be adjusted through the screw 18.

This completes the entire operation and what is not described in detail in this specification is well known to those skilled in the art.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a leak-proof injection molding machine, includes base (1), its characterized in that:

an annular cover (2) is fixed above the base (1), a lower die (3) is arranged at the middle point above the base (1), an upper die (4) is arranged above the lower die (3), a driving ring (8) is rotatably connected to the bottom of the inner side of the annular cover (2), and guide grooves (9) are formed in the periphery of the surface of the driving ring (8);

the side wall of annular cover (2) runs through and is provided with horizontal pole (12), and is fixed with montant (13) on horizontal pole (12), the bottom of montant (13) is arranged in guide way (9), the one end that horizontal pole (12) is close to annular cover (2) axis is provided with fastening piece (14), drive ring (8) are used for driving horizontal pole (12) and fastening piece (14) lateral movement and fasten last mould (4).

2. The leak-proof injection molding machine of claim 1, wherein: the upper die (4) is provided with a hydraulic cylinder (5) above, and the output end of the hydraulic cylinder (5) is connected with the upper die (4).

3. The leak-proof injection molding machine of claim 1, wherein: the outer side wall of the annular cover (2) is provided with a motor (6), the output end of the motor (6) is connected with a belt pulley (7), and the belt pulley (7) is connected with a driving ring (8) through a belt.

4. The leak-proof injection molding machine of claim 1, wherein: through holes (10) are formed in the side walls of the annular cover (2), balls (11) are arranged at two ends of the inner wall of the through holes (10), the cross rods (12) are located in the through holes (10), and the cross rods (12) are in contact with the balls (11).

5. The leak-proof injection molding machine of claim 1, wherein: the fastening block (14) is wedge-shaped, the cross rod (12) and the fastening block (14) are provided with four groups, and the cross rod and the fastening block are arranged around the central axis of the annular cover (2).

6. The leak-proof injection molding machine of claim 1, wherein: the utility model discloses a cross bar, including horizontal pole (12), annular cover (2), U-shaped frame (15) are fixed with to the one end that is close to the axis of horizontal pole (12), and the top of U-shaped frame (15) is provided with hand wheel (16), hand wheel (16) are connected with lead screw (17), and lead screw (17) set up in the inboard of U-shaped frame (15), the surface threaded connection of lead screw (17) has screw (18), the one end and the inner wall sliding connection of U-shaped frame (15) of screw (18), and the other end and the fastening piece (14) fixed connection of screw (18).