CN215472680U

CN215472680U - Feeding device for forming die

Info

Publication number: CN215472680U
Application number: CN202121224385.1U
Authority: CN
Inventors: 陈志鹏
Original assignee: Cangzhou Zhipeng Polyurethane Products Co ltd
Current assignee: Cangzhou Zhipeng Polyurethane Products Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-01-11
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a feeding device for a forming die, which comprises a feeding device positioned above the forming die, wherein an injection molding nozzle of the feeding device is positioned in an injection molding cylinder, the bottom of the injection molding cylinder is provided with a dustproof plate, a first discharge pipe in the injection molding cylinder is sleeved on the outer side of a second discharge pipe, the lower part of the second discharge pipe is sleeved with a positioning block, the positioning block is connected with a pneumatic assembly on the side wall of the lower part of the injection molding cylinder through a connecting rod, a buffer block is arranged below the connecting rod, one side of the dustproof plate is provided with a moving groove, a rotating shaft of the dustproof plate in the moving groove is provided with a first gear, the first gear is connected with a second gear on a motor output shaft, and an L-shaped limiting rod of the dustproof plate is connected with a limiting groove on the side wall of the injection molding cylinder. The feeding device for the forming die with the structure is simple in structure, and prevents the injection nozzle from being exposed in air and polluted by impurities when the injection nozzle is not used.

Description

Feeding device for forming die

Technical Field

The utility model relates to the technical field of injection molding machines, in particular to a feeding device for a forming mold.

Background

An injection molding machine, also known as an injection molding machine or an injection molding machine, is a main molding device for making various plastic products from thermoplastic plastics or thermosetting plastics by using a plastic molding mold. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity. The injection system of the injection molding machine generally comprises a plasticizing device and a power transmission device, but the injection nozzle of the existing injection molding system is always exposed in the air and is easily polluted by impurities to influence the production efficiency of the injection molding machine.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a feeding device for a forming die, which is simple in structure and can avoid the pollution of impurities when an injection nozzle is exposed in the air when not used.

In order to achieve the purpose, the utility model provides a feeding device for a forming mold, which comprises a feeding device positioned above the forming mold, wherein an injection molding nozzle of the feeding device is positioned inside an injection molding cylinder, a dustproof plate is arranged at the bottom of the injection molding cylinder, a first discharge pipe in the injection molding cylinder is sleeved outside a second discharge pipe, a positioning block is sleeved at the lower part of the second discharge pipe and is connected with a pneumatic component on the side wall of the lower part of the injection molding cylinder through a connecting rod, a buffer block is arranged below the connecting rod, a moving groove is arranged on one side of the dustproof plate, a first gear is arranged on a rotating shaft in the moving groove of the dustproof plate, the first gear is connected with a second gear on a motor output shaft, and an L-shaped limiting rod of the dustproof plate is connected with a limiting groove in the side wall of the injection molding cylinder.

Preferably, a spring is arranged at the bottom of the guide groove in the middle of the buffer block, the spring is upwards connected with a moving block, and the moving block is matched with the guide groove.

Preferably, the number of spacing groove is one on one side, spacing groove bottom with the section of thick bamboo bottom of moulding plastics is connected, the spacing groove is the sector ring shape that the contained angle is 90.

Preferably, the number of the limiting rods is one, the included angle between the limiting rods and the rotating shaft is 90 degrees, and the vertical rods of the limiting rods are connected with the limiting grooves.

Preferably, the buffer block is located on one side of the dust guard, and the first gear is located on the other side of the dust guard.

Preferably, the end of the first feeding pipe is provided with a sealing ring, the bottom of the second discharging pipe is connected with the injection molding nozzle, and the injection molding nozzle is located above the dust guard.

Preferably, the number of the springs is four.

Therefore, the feeding device for the forming die, which adopts the structure, has a simple structure, and avoids the pollution of impurities when the injection nozzle is exposed in the air when not used.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a front sectional view of a feeding device for a forming mold according to the present invention;

FIG. 2 is a top sectional view of a feeding device for a forming die according to the present invention.

Reference numerals

1. An injection molding barrel; 2. a first discharge pipe; 3. a second discharge pipe; 4. a pneumatic assembly; 5. a connecting rod; 6. a limiting groove; 7. a limiting rod; 8. a dust-proof plate; 9. a buffer block; 10. positioning blocks; 11. a moving groove; 12. a first gear; 13. a motor; 14. a second gear; 15. a guide groove; 16. a moving block; 17. and (4) injection molding the nozzle.

Detailed Description

The technical solution of the present invention is further illustrated by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Fig. 1 is a front sectional view of a feeding device for a forming mold of the present invention, and fig. 2 is a top sectional view of a feeding device for a forming mold of the present invention, and as shown in the drawings, the feeding device for a forming mold comprises a feeding device located above a forming mold, an injection nozzle 17 of the feeding device is located inside an injection cylinder 1, and a dust-proof plate 8 is provided at the bottom of the injection cylinder 1. The first discharging pipe 2 in the injection molding barrel 1 is sleeved outside the second discharging pipe 3, and the lower part of the second discharging pipe 3 is sleeved with a positioning block 10. The positioning block 10 is connected with the pneumatic component 4 on the side wall of the lower part of the injection cylinder 1 through a connecting rod 5, and a buffer block 9 is arranged below the connecting rod 5. The middle part of one side of the dust guard 8 is provided with a moving groove 11, and a first gear 12 is arranged on a rotating shaft of the dust guard 8 in the moving groove 11. The first gear 12 is connected with the second gear 14 on the output shaft of the motor 13, and the L-shaped limiting rod 7 of the dust-proof plate 8 is connected with the limiting groove 6 on the side wall of the injection molding barrel 1. The injection molding nozzle 17 can move up and down in the injection molding barrel 1, and the dust-proof plate 8 is matched with a discharge hole in the bottom of the injection molding barrel 1. When the dust guard 8 is opened, the injection nozzle 17 can be moved out of the injection cylinder 1 to feed the inside of the molding die. The injection molding barrel 1 moves relative to the injection molding machine body through a driving structure, and when the injection molding barrel is close to a forming mold, the injection molding nozzle 17 feeds materials into the forming mold. The pneumatic assembly 4 drives the positioning block 10 to move through the connecting rod 5, and further drives the second discharging pipe 3 to move inside the first discharging pipe 2. When second discharging pipe 3 was close to the discharge gate, connecting rod 5 and buffer block 9 contact, and buffer block 9 plays the cushioning effect to connecting rod 5, guarantees the stable ejection of compact of second discharging pipe 3. The motor 13 drives the second gear 14 to rotate, the second gear 14 drives the first gear 12 matched with the second gear to rotate, and the first gear 12 drives the dust guard 8 to rotate through the rotating shaft. The limiting rod 7 moves along the limiting groove 6 while the dustproof plate 8 rotates, so that the opening angle of the dustproof plate 8 is limited, and the smooth movement of the injection molding nozzle 17 out of the injection molding barrel 1 is guaranteed. The arrangement of the moving slot 11 provides a moving space for the movement of the first gear 12 and the second gear 14, and ensures that the two drive the dust-proof plate 8 to rotate smoothly.

The bottom of the guide groove 15 in the middle of the buffer block 9 is provided with a spring, the spring is upwards connected with a moving block 16, and the moving block 16 is matched with the guide groove 15. When the connecting rod 5 is close to the buffer block 9, the connecting rod 5 is firstly contacted with the moving block 16, the connecting rod 5 drives the moving block 16 to move downwards, and the spring has a buffering effect on the connecting rod 5 moving downwards.

The quantity of spacing groove 6 is one on one side, and spacing groove 6 bottom is connected with the section of thick bamboo 1 bottom of moulding plastics, and spacing groove 6 is the sector ring shape that the contained angle is 90. The limiting groove 6 limits the movement range of the limiting rod 7, and further limits the opening angle of the dust-proof plate 8. The setting of 6 positions in spacing groove guarantees that dust guard 8 when closing with discharge gate zonulae occludens, prevents impurity pollution such as dust and moulds plastics 1 inside and the mouth 17 of moulding plastics.

The limiting rods 7 are arranged on one side, the included angle between each limiting rod 7 and the corresponding rotating shaft is 90 degrees, and the vertical rods of the limiting rods 7 are connected with the limiting grooves 6. When the limiting rod 7 is connected with the bottom of the limiting groove 6, the dust-proof plate 8 closes the discharge hole; when the limiting rod 7 is connected with the top of the limiting groove 6, the dust-proof plate 8 opens the discharge hole. The limiting rods 7 are symmetrically arranged, so that the limiting grooves 6 can be used for stably limiting the dust guard 8 in the movement process.

The buffer block 9 is located on one side of the dust-proof plate 8, and the first gear 12 is located on the other side of the dust-proof plate 8. The smooth work of the dust guard 8 and the second discharge pipe 3 is ensured by the arrangement of the positions of all the parts.

The end of the first feeding pipe 2 is provided with a sealing ring, the bottom of the second discharging pipe 3 is connected with an injection molding nozzle 17, and the injection molding nozzle 17 is positioned above the dust guard 8. The arrangement of the sealing ring ensures that the joint of the first discharging pipe 2 and the second discharging pipe 3 does not leak injection molding liquid. The injection nozzle 17 moves out of the injection cylinder 1 along the opened dust guard 8 under the driving of the pneumatic component 4, and feeds materials into the forming mold.

The number of the springs is four, so that the buffer blocks 9 are guaranteed to play a stable buffering role on the connecting rod 5.

When the dustproof cover is used, the motor 13 is started, the first gear 12 drives the second gear 14 to rotate, and the dustproof plate 8 is opened. When the limiting rod 7 moves to the top of the limiting groove 6, the motor 13 is turned off. And starting the pneumatic component 4, driving the second discharge pipe 3 to move downwards to form the injection molding barrel 1 by the connecting rod 5, and feeding the injection molding nozzle 17 to a forming mold. After the injection molding machine is used, the injection molding nozzle 17 is retracted into the injection molding barrel 1, and the dust guard 8 is closed.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the utility model without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a feed arrangement for forming die which characterized in that: including being located the feed arrangement of forming die top, feed arrangement's the mouth of moulding plastics is located inside the section of thick bamboo of moulding plastics, the section of thick bamboo bottom of moulding plastics is equipped with the dust guard, the inside first discharging pipe cover of a section of thick bamboo of moulding plastics is established in the second discharging pipe outside, second discharging pipe lower part cover is equipped with the locating piece, the locating piece pass through the connecting rod with the pneumatic component on the lateral wall of a section of thick bamboo lower part of moulding plastics is connected, the connecting rod below is equipped with the buffer block, dust guard one side is equipped with the shifting chute, the dust guard is in be equipped with first gear in the pivot of shifting chute inside, first gear is connected with the epaxial second gear of motor output, the L type gag lever post of dust guard with the spacing groove of a lateral wall of moulding plastics is connected.

2. The feeding device for the molding die according to claim 1, wherein: the bottom of the guide groove in the middle of the buffer block is provided with a spring, the spring is upwards connected with a moving block, and the moving block is matched with the guide groove.

3. The feeding device for the molding die according to claim 1, wherein: the quantity of spacing groove is one on one side, spacing tank bottom with mould plastics bobbin base portion and be connected, the spacing groove is the sector ring shape that the contained angle is 90.

4. The feeding device for the molding die according to claim 1, wherein: the quantity of gag lever post is one in one side, the gag lever post with the contained angle between the pivot is 90, the gag lever post montant with the spacing groove is connected.

5. The feeding device for the molding die according to claim 1, wherein: the buffer block is located on one side of the dust guard, and the first gear is located on the other side of the dust guard.

6. The feeding device for the molding die according to claim 1, wherein: the terminal sealing washer that is equipped with of first inlet pipe, second discharging pipe bottom is connected the mouth of moulding plastics, the mouth of moulding plastics is located the dust guard top.

7. The feeding device for the molding die according to claim 2, wherein: the number of the springs is four.