CN213797895U

CN213797895U - Ejection device of injection molding machine

Info

Publication number: CN213797895U
Application number: CN202022420664.7U
Authority: CN
Inventors: 张正平; 王辉
Original assignee: Jon Wai Machinery Kunshan Co ltd
Current assignee: Jon Wai Machinery Kunshan Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-27
Anticipated expiration: 2030-10-27

Abstract

The utility model relates to an ejecting device field just discloses an injection molding machine ejecting device, including ejecting device body and ejecting piece, four corner fixedly connected with supporting legs of ejecting device body lower extreme, and the terminal cover of supporting leg downside is equipped with slipmat, two fixedly connected with horizontal pole between the supporting leg, ejecting piece lower extreme fixed surface is connected with evenly distributed's shaping mold insert, and fixed mounting has the thimble between the shaping mold insert, the inside upper end fixed mounting of ejecting device body has the liftout plate, and liftout plate lower extreme both sides fixedly connected with transfer line, transfer line downside end is through connecting block and fly leaf welded connection, and fly leaf lower extreme left and right sides fixedly connected with ejection spring, ejection spring fixed mounting is just connected with the fly leaf at spacing slide bar downside. The ejection device of the injection molding machine has the advantages of reasonable and simple structural design, high demolding efficiency, high automation degree, labor saving and strong practicability.

Description

Ejection device of injection molding machine

Technical Field

The utility model relates to an ejecting device field specifically is an injection molding machine ejecting device.

Background

An injection molding machine, also known as an injection molding machine or an injection machine, is called a beer machine in many factories, and an injection molding product is called a beer piece, which is main molding equipment for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die, and is divided into a vertical type, a horizontal type and a full-electric type, the injection molding machine can heat the plastics, apply high pressure to the molten plastics to ensure that the molten plastics are injected to fill a die cavity, the injection molding is a cyclic process, and each period mainly comprises: quantitative feeding, melting and plasticizing, pressure injection, mold filling and cooling, mold opening and part taking, mold closing after the plastic part is taken out, and next cycle is carried out. When the existing injection molding machine is used, an injection molded product needs to be pushed out of a mold through an ejection device, and the existing ejection device of the injection molding machine can not meet the market demand far away.

In the existing ejection device of an injection molding machine, the defects are as follows:

1. the prior injection molding machine needs manual demoulding in the demoulding process;

2. the ejection device cannot be pushed out accurately, and the height of the device cannot be adjusted.

Therefore, the ejection device of the injection molding machine is designed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an injection molding machine ejecting device has solved the drawing of patterns process and has needed artifical manual drawing of patterns, the unable accurate problem of releasing and unable adjusting device height.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides an injection molding machine ejecting device, includes ejecting device body and ejecting piece, four corners fixedly connected with supporting legs of ejecting device body lower extreme, and the terminal cover of supporting leg downside is equipped with slipmat, two fixedly connected with horizontal pole between the supporting leg, ejecting piece lower extreme fixed surface is connected with evenly distributed's shaping mold insert, and fixed mounting has the thimble between the shaping mold insert, the inside upper end fixed mounting of ejecting device body has the liftout plate, and liftout plate lower extreme both sides fixedly connected with transfer line, transfer line downside end is through connecting block and fly leaf welded connection, and fly leaf lower extreme left and right sides fixedly connected with ejection spring, ejection spring fixed mounting just is connected with the fly leaf at spacing slide bar downside.

Further, the surface of the upper end of the cross rod is fixedly provided with a driving motor, the driving motor is in transmission connection with the telescopic rod through a connecting shaft, and the tail end of the upper side of the telescopic rod is fixedly provided with a pressure equalizing block.

Furthermore, an injection molding product is fixedly mounted on the surface of the upper end of the ejection block, and the ejector pin is fixedly connected with the ejection plate through an opening in the surface of the ejection device body.

Furthermore, a reset spring is fixedly mounted on the upper surface of a fixed sliding rod fixedly connected between the two limiting sliding rods, and the right side of the fixed sliding rod is movably sleeved with the adjusting rod through a rubber pad.

Furthermore, the adjusting rod is in transmission connection with the sliding plate through a fixed sliding rod, a driving rack is fixedly mounted on the surface of the upper end of the sliding plate, the sliding plate is movably connected with the movable sleeve through a through hole in the surface, and the movable sleeve is slidably connected with the movable plate through the movable plate.

Furthermore, the driving rack is meshed with the gear on the surface of the gear roller, and the gear roller is meshed with the driven rack through the gear on the surface.

Furthermore, the ejection block is provided with through holes which correspond to the molding inserts respectively, the number of the ejector pins is three, and the three ejector pins are distributed between two adjacent molding inserts.

The utility model has the advantages that:

1. the utility model starts the driving motor to work by arranging the telescopic rod, the driving motor and the equalizing block, then the driving motor drives the gear to rotate through the connecting shaft, so as to drive the telescopic rod to move, further push the ejection device body to move upwards or downwards, and the equalizing block can ensure that the telescopic rod can not shake in the moving process, and can adjust the height of the ejection device; the ejection spring can reduce the vibration because the vibration phenomenon can occur in the injection molding process.

2. The utility model discloses a, through setting up the liftout plate, the slide, movable sleeve and slide, through promoting the regulation pole left, make the slide can take the drive rack to remove left, through the cooperation of gear roller and driven rack, make the drive rack can take movable sleeve rebound and provide an ascending effort for the fly leaf, thereby make the fly leaf can take the liftout plate rebound once more and will not be complete ejecting injection moulding product ejecting through the transfer line, the manual supplementary drawing of patterns of workman has been avoided, the automation level has been improved.

3. The utility model discloses a, through setting up thimble, ejecting piece and shaping mold insert, the removal of ejector plate can drive the thimble to being close to ejecting piece side motion, and the thimble drives the type mold insert and upwards perhaps moves down, accomplishes the drawing of patterns, because the shaping mold insert is fixed on the movable mould at this in-process, the movable mould is motionless, and ejecting piece drives injection moulding product and breaks away from the shaping mold insert.

Drawings

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

fig. 2 is a schematic structural view of the interior of the body of the ejection device of the present invention;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

In the figure: 1. ejecting the device body; 2. supporting legs; 3. a thimble; 4. ejecting a block; 5. forming the insert; 6. pressing the mixture evenly; 7. a telescopic rod; 8. a drive motor; 9. a cross bar; 10. a non-slip mat; 11. ejecting the plate; 12. a transmission rod; 13. adjusting a rod; 14. a limiting slide bar; 15. a movable plate; 16. ejecting a spring; 17. a return spring; 18. a slide plate; 19. an active cannula; 20. a driven rack; 21. a gear roll; 22. the rack is driven.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-3: an ejection device of an injection molding machine comprises an ejection device body 1 and an ejection block 4, wherein supporting legs 2 are fixedly connected at four corners of the lower end of the ejection device body 1, a non-slip mat 10 is sleeved at the tail end of the lower side of each supporting leg 2, a cross rod 9 is fixedly connected between the two supporting legs 2, a plurality of uniformly distributed molding inserts 5 are arranged below the ejection block 4, an ejector pin 3 is fixedly installed at the bottom of each molding insert 5, an ejection plate 11 is fixedly installed at the upper end inside the ejection device body 1, transmission rods 12 are fixedly connected to two sides of the lower end of the ejection plate 11, the tail end of the lower side of each transmission rod 12 is connected with a movable plate 15 in a welding mode through connecting blocks, ejection springs 16 are fixedly connected to the left side and the right side of the lower end of the movable plate 15, the ejection springs 16 are fixedly installed at the lower side of a limiting slide rod 14 and connected with the movable plate 15, a person pulls an adjusting rod 13 rightwards to enable a slide plate 18 to drive a rack 22 to move rightwards, through the cooperation of the gear roller 21 and the driven rack 20, the driving rack 22 can drive the movable sleeve 19 to move upwards and provide an upward acting force for the movable plate 15, so that the movable plate 15 can drive the ejector plate 11 to move upwards again through the transmission rod 12, the movement of the ejector plate 11 can drive the ejector pin 3 to move towards the ejector block 4, and the ejector block 4 moves towards the molding area along the molding insert 5 and demolds one end of the injection molded product.

Wherein, the fixed surface of the upper end of the cross rod 9 is provided with a driving motor 8, the driving motor 8 is in transmission connection with the telescopic rod 7 through a connecting shaft, the pressing block 6 is fixedly arranged at the tail end of the upper side of the telescopic rod 7, the driving motor 8 is started to work, then the driving motor 8 drives the gear to rotate through the connecting shaft, and the pressing block 6 can ensure that the telescopic rod 7 cannot shake in the moving process.

The ejection device comprises an ejection block 4, an ejection plate 11, a thimble 3, a forming insert 5, an ejector pin 3, a push-out plate and a push-out device, wherein the upper end surface of the ejection block 4 is fixedly provided with the injection product, the injection product is arranged in a through hole formed in the upper surface of the ejection block, the forming insert 5 is movably arranged in the through hole, the thimble 3 is fixedly connected with the ejection plate 11 through an opening in the surface of the ejection device body 1, the thimble 3 is driven by the ejection plate 11 to move, and the thimble 3 is pulled down or pushed up along the forming insert 5, so that demoulding is formed.

Wherein, fixed surface installs reset spring 17 on the fixed slide bar of fixed connection between two spacing slide bars 14, and fixed slide bar right side through the rubber pad with adjust the pole 13 activity and cup joint, utilize the push pedal for the workman can simple quick promotion adjust pole 13, has increased workman's operating speed, utilizes the rubber pad again, makes more comfortable when the workman promotes the push pedal, reset spring 17 is used for taking movable sleeve 19 to move up.

The adjusting rod 13 is in transmission connection with the sliding plate 18 through a fixed sliding rod, a driving rack 22 is fixedly mounted on the surface of the upper end of the sliding plate 18, the sliding plate 18 is movably connected with the movable sleeve 19 through a through hole in the surface, the movable sleeve 19 is in sliding connection with the movable plate 15 through the movable plate, when the acting force of the ejection spring 16 cannot completely eject the injection molding finished product, the driving rod 12 is pulled rightwards, then the sliding plate 18 moves rightwards and drives the return spring 17 to rotate through the driving rack 22, then the return spring 17 drives the movable sleeve 19 to move upwards through the driven rack 20, then the movable sleeve 19 ejects the ejection plate 11 for the second time through the movable plate 15 and the driving rod 12, and then the injection molding finished product is completely ejected.

Wherein, the drive rack 22 is connected with the gear engagement on the surface of the gear roller 21, and the gear roller 21 is connected with the driven rack 20 through the gear engagement on the surface, and the gear roller 21 can drive the driven rack 20 to rotate.

The ejection block 4 is provided with three through holes corresponding to the molding inserts 5, and the three ejector pins 3 are distributed between two adjacent molding inserts 5.

To sum up, when the utility model is used, a person pulls the adjusting rod 13 rightwards, so that the sliding plate 18 can drive the driving rack 22 to move rightwards, and the driving rack 22 can drive the movable sleeve 19 to move upwards and provide an upward acting force for the movable plate 15 through the matching of the gear roller 21 and the driven rack 20, so that the movable plate 15 can drive the ejector plate 11 to move upwards again through the driving rod 12, and the ejector plate 11 can be moved to drive the ejector pin 3 to move close to the ejector block 4, so as to form demolding; when the acting force of the ejection spring 16 can not completely eject the injection molding finished product, the transmission rod 12 is pushed leftwards, then the sliding plate 18 moves leftwards and drives the return spring 17 to rotate through the driving rack 22, then the return spring 17 drives the movable sleeve 19 to move upwards through the driven rack 20, then the movable sleeve 19 jacks the ejection plate 11 for the second time through the movable plate 15 and the transmission rod 12, and then the injection molding finished product is completely ejected.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides an injection molding machine ejecting device, includes ejecting device body (1) and ejecting block (4), its characterized in that: four corners of the lower end of the ejection device body (1) are fixedly connected with supporting legs (2), the lower ends of the supporting legs (2) are sleeved with non-slip mats (10), a cross rod (9) is fixedly connected between the two supporting legs (2), the lower end surface of the ejection block (4) is fixedly connected with evenly distributed molding inserts (5), and a thimble (3) is fixedly arranged between the molding inserts (5), an ejector plate (11) is fixedly arranged at the upper end in the ejector device body (1), and both sides of the lower end of the ejector plate (11) are fixedly connected with transmission rods (12), the tail ends of the lower sides of the transmission rods (12) are welded and connected with the movable plate (15) through connecting blocks, and the left and right sides of the lower end of the movable plate (15) are fixedly connected with ejection springs (16), the ejection spring (16) is fixedly arranged at the lower side of the limiting sliding rod (14) and is connected with the movable plate (15).

2. The ejection device of an injection molding machine according to claim 1, wherein: horizontal pole (9) upper end fixed surface installs driving motor (8), and driving motor (8) are connected with telescopic link (7) transmission through the connecting axle, telescopic link (7) upside end fixed mounting has uniform pressure piece (6).

3. The ejection device of an injection molding machine according to claim 1, wherein: the ejection device is characterized in that an injection molding product is fixedly mounted on the surface of the upper end of the ejection block (4), and the ejector pin (3) is fixedly connected with the ejection plate (11) through an opening in the surface of the ejection device body (1).

4. The ejection device of an injection molding machine according to claim 1, wherein: and the upper surfaces of the fixed slide bars fixedly connected between the two groups of limit slide bars (14) are fixedly provided with return springs (17), and the right sides of the fixed slide bars are movably sleeved with the adjusting bars (13) through rubber pads.

5. The ejection device of an injection molding machine according to claim 4, wherein: the adjusting rod (13) is in transmission connection with the sliding plate (18) through a fixed sliding rod, a driving rack (22) is fixedly mounted on the surface of the upper end of the sliding plate (18), the sliding plate (18) is movably connected with the movable sleeve (19) through a through hole in the surface, and the movable sleeve (19) is in sliding connection with the movable plate (15) through the movable plate.

6. An ejection apparatus of an injection molding machine according to claim 5, wherein: the driving rack (22) is meshed with the gear on the surface of the gear roller (21), and the gear roller (21) is meshed with the driven rack (20) through the gear on the surface.

7. The ejection device of an injection molding machine according to claim 1, wherein: the ejection block (4) is provided with through holes which correspond to the molding inserts (5), the number of the ejector pins (3) is three, and the three ejector pins (3) are distributed between two adjacent molding inserts (5).