CN212736938U

CN212736938U - High-efficient screw rod feed cylinder

Info

Publication number: CN212736938U
Application number: CN202021273202.0U
Authority: CN
Inventors: 简小鹏; 夏江敏
Original assignee: Shenzhen Damxun Technology Co ltd
Current assignee: Shenzhen Damxun Technology Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-19
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a high-efficient screw rod feed cylinder relates to injection molding machine technical field, including the feed cylinder, the left surface fixedly connected with motor of feed cylinder, the output of motor runs through the left surface of feed cylinder and extends to the inside of feed cylinder, the screw rod has been placed to the inside of feed cylinder, the output of motor and the left end fixed connection of screw rod, the last fixed surface intercommunication of feed cylinder has into the hopper, the lower part fixedly connected with who goes into the hopper inner wall supports the pole, support the first expanding spring of the last fixed surface of pole fixedly connected with, the top fixedly connected with of first expanding spring and the toper piece of going into hopper looks adaptation, the fixed intercommunication in middle part of feed cylinder upper surface has pressure regulating mechanism. The utility model relates to a rational in infrastructure, it can be through setting up pressure regulating mechanism, avoids the device to cause the problem of inefficiency because of the atmospheric pressure reason, supports pole, first expanding spring and toper piece through setting up, plays the buffering and prevents the effect of jam.

Description

High-efficient screw rod feed cylinder

Technical Field

The utility model relates to an injection molding machine technical field specifically is a high-efficient screw rod feed cylinder.

Background

The injection molding machine is also called an injection molding machine or an injection machine, and the screw is an important component of the injection molding machine and can perform the functions of conveying, melting, compacting, stirring and pressing on the plastic by rotating the screw in the cylinder.

The raw materials of moulding plastics is when getting into the feed cylinder, under the resistance effect of pan feeding mouth and screw rod, and the raw materials of moulding plastics easily blocks up the pan feeding mouth, and simultaneously, the motion friction between feed cylinder, screw rod and the raw materials, produced heat of friction can be absorbed on the one hand and is used for improving the plastics temperature and then melting plastics, and on the other hand, the increase of temperature also can make the inside atmospheric pressure increase of feed cylinder, and then has influenced the operating efficiency of screw rod. Therefore, the efficient screw barrel is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing a high-efficient screw rod feed cylinder in order to compensate the not enough of prior art.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-efficient screw rod feed cylinder, includes the feed cylinder, the left surface fixedly connected with motor of feed cylinder, the output of motor runs through the left surface of feed cylinder and extends to the inside of feed cylinder, the screw rod has been placed to the inside of feed cylinder, the output of motor and the left end fixed connection of screw rod, the last fixed surface intercommunication of feed cylinder has into the hopper, the lower part fixedly connected with of going into the hopper inner wall supports the pole, support the first expanding spring of the last fixed surface of pole, the top fixedly connected with of first expanding spring and the toper piece of going into hopper looks adaptation, the fixed intercommunication in middle part of feed cylinder upper surface has pressure regulating mechanism, the right-hand member fixedly connected with of feed cylinder goes out the hopper.

Further, pressure regulating mechanism includes the piston, the upper surface of piston sets up threaded hole, the inside threaded connection of screw hole has the threaded rod, the clamp plate has been placed to the inside of threaded rod, the upper surface of clamp plate and the bottom fixed connection of threaded rod, the bottom surface fixedly connected with second expanding spring of clamp plate, the bottom fixedly connected with piston plate of second expanding spring, the inner wall of piston is fixed to be inlayed and is had the check valve.

Furthermore, the second extension spring is in a natural state, a rubber sealing ring is arranged on the contact surface of the outer surface of the piston plate and the inner wall of the piston, the bottom surface of the piston is communicated with the inside of the charging barrel, the air inlet end of the one-way valve is communicated with the inside of the piston, and the air outlet end of the one-way valve is communicated with the outside.

Furthermore, the outer surface joint of feed cylinder has two symmetrical supports, two the bottom surface of support is the fixedly connected with a set of block rubber respectively.

Furthermore, a gap is reserved at the penetrating position of the output end of the motor and the left side surface of the charging barrel, and a reinforcing rib is arranged at the fixed connection position of the motor and the charging barrel.

Further, the front of feed cylinder is provided with the observation window, the bottom surface fixedly connected with filter screen of piston.

Thirdly), the beneficial effects are as follows:

compared with the prior art, this high-efficient screw rod feed cylinder possesses following beneficial effect:

one, the utility model discloses a set up pressure regulating mechanism, piston, screw hole, threaded rod, second expanding spring, piston plate and clamp plate promptly, when the feed cylinder is inside to cause inside atmospheric pressure too big because of the friction of screw rod rotation and raw materials, the inside gaseous accessible of feed cylinder goes into the hopper and flows, avoids the device to cause the problem of inefficiency because of the atmospheric pressure reason.

Two, the utility model discloses a set up the strengthening rib for the structure of motor is more stable, and through setting up the observation window, is convenient for observe the operational aspect of the inside screw rod of feed cylinder, through setting up the filter screen, avoids the inside raw materials of moulding plastics of feed cylinder to get into the inside of hopper, supports pole, first expanding spring and toper piece through setting up, plays the buffering and prevents the effect of jam, through setting up the support, sets up the stability of having ensured the feed cylinder surface, through setting up the rubber piece, possesses certain cushioning effect.

Drawings

FIG. 1 is a perspective view of the high-efficiency screw barrel of the present invention;

FIG. 2 is a schematic structural view of the high-efficiency screw barrel of the present invention;

fig. 3 is a cross-sectional view of the feeding hopper of the present invention;

fig. 4 is a cross-sectional view of the pressure regulating mechanism of the present invention.

In the figure: 1. a charging barrel; 2. a motor; 3. a screw; 4. feeding into a hopper; 5. a pressure regulating mechanism; 6. a discharge hopper; 7. a support rod; 8. a first extension spring; 9. a conical block; 10. a piston; 11. a threaded hole; 12. a threaded rod; 13. pressing a plate; 14. a second extension spring; 15. a piston plate; 16. a one-way valve; 17. a support; 18. a rubber block; 19. reinforcing ribs; 20. an observation window; 21. and (5) filtering by using a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a high-efficient screw rod feed cylinder, including feed cylinder 1, the left surface fixedly connected with motor 2 of feed cylinder 1, motor 2's model is YE2-80M2-40.75KW, motor 2's output runs through the left surface of feed cylinder 1 and extends to the inside of feed cylinder 1, screw rod 3 has been placed to feed cylinder 1's inside, motor 2's output and screw rod 3's left end fixed connection, the last fixed surface of feed cylinder 1 communicates has into hopper 4, the lower part fixedly connected with of going into 4 inner walls of hopper supports pole 7, the last fixed surface of support pole 7 is connected with first expanding spring 8, the top fixedly connected with of first expanding spring 8 and the toper piece 9 of going into hopper 4 looks adaptations, the fixed intercommunication in middle part of feed cylinder 1 upper surface has pressure regulating mechanism 5, the right-hand member fixedly connected with of feed cylinder 1 goes out hopper.

Further, pressure regulating mechanism 5 includes piston 10, and threaded hole 11 is seted up to the upper surface of piston 10, and the internal thread connection of threaded hole 11 has threaded rod 12, and clamp plate 13 has been placed to the inside of threaded rod 12, and the bottom fixed connection of the upper surface of clamp plate 13 and threaded rod 12, the bottom surface fixedly connected with second expanding spring 14 of clamp plate 13, the bottom fixedly connected with piston plate 15 of second expanding spring 14, the fixed check valve 16 that inlays of inner wall of piston 10. Through setting up into hopper 4, when feed cylinder 1 is inside to cause inside atmospheric pressure too big because of the friction of screw rod 3 rotation and raw materials, the gaseous accessible of feed cylinder 1 inside flows into hopper 4, avoids the device to cause the problem of inefficiency because of the atmospheric pressure reason.

Further, the second extension spring 14 is in a natural state, a rubber seal ring is arranged on a contact surface between the outer surface of the piston plate 15 and the inner wall of the piston 10, the bottom surface of the piston 10 is communicated with the inside of the charging barrel 1, the air inlet end of the check valve 16 is communicated with the inside of the piston 10, and the air outlet end of the check valve 16 is communicated with the outside. The sealing performance of the internal structure of the feeding hopper 4 is ensured due to the arrangement of the rubber sealing ring, and the arrangement of the one-way valve 16 only allows the gas inside the feeding hopper 4 to flow to the outside, so that the external gas is prevented from entering the feeding hopper 4.

Furthermore, two symmetrical supports 17 are clamped on the outer surface of the charging barrel 1, and a group of rubber blocks 18 are fixedly connected to the bottom surfaces of the two supports 17 respectively. The arrangement of the brackets 17 ensures the stability of the outer surface of the cartridge 1, and the rubber blocks 18 have a certain cushioning effect when passing through.

Furthermore, a gap is reserved at the penetrating position of the output end of the motor 2 and the left side surface of the charging barrel 1, and a reinforcing rib 19 is arranged at the fixed connection position of the motor 2 and the charging barrel 1. The arrangement of the reinforcing ribs 19 makes the structure of the motor 2 more stable.

Further, the front surface of the charging barrel 1 is provided with an observation window 20, and the bottom surface of the piston 10 is fixedly connected with a filter screen 21. The setting of observation window 20 is convenient for observe the operational aspect of the inside screw rod 3 of feed cylinder 1, and the setting of filter screen 21 avoids the inside raw materials of moulding plastics of feed cylinder 1 to get into the inside of hopper 4.

The working principle is as follows: the motor 2 is communicated with a power supply, injection molding raw materials are poured into the charging barrel 1 through the feeding hopper 4, the gravity of the injection molding raw materials is pressed down to cause the conical block 9 to move downwards, the first expansion spring 8 is in a natural state and becomes a compression state, the injection molding raw materials slide into the charging barrel 1 from the outer surface of the conical block 9 to play roles of buffering and blocking prevention, when the motor 2 works, the output end of the motor 2 drives the screw rod 3 to rotate, further the raw materials are pushed, meanwhile, when the internal air pressure in the charging barrel 1 is too high due to the rotation of the screw rod 3 and the friction of the raw materials, the air in the charging barrel 1 can flow out through the feeding hopper 4, in the process, the piston plate 15 moves upwards under the action of air pressure, the second expansion spring 14 is changed into the compression state from the natural state, the air in the piston 10 flows to the outside through the one-way valve 16, the maximum air pressure value of the, the problem of low efficiency of the device caused by air pressure is avoided.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high-efficiency screw barrel comprises a barrel (1) and is characterized in that: the left side surface of the charging barrel (1) is fixedly connected with a motor (2), the output end of the motor (2) penetrates through the left side surface of the charging barrel (1) and extends into the charging barrel (1), a screw rod (3) is arranged in the charging barrel (1), the output end of the motor (2) is fixedly connected with the left end of the screw rod (3), the upper surface of the charging barrel (1) is fixedly communicated with a feeding hopper (4), the lower part of the inner wall of the feeding hopper (4) is fixedly connected with a supporting rod (7), the upper surface of the supporting rod (7) is fixedly connected with a first expansion spring (8), the top end of the first expansion spring (8) is fixedly connected with a conical block (9) matched with the feeding hopper (4), the middle part of the upper surface of the charging barrel (1) is fixedly communicated with a pressure regulating mechanism (5), and the right end of the charging barrel (1) is fixedly connected with a discharging hopper (6).

2. A high efficiency screw cartridge as defined in claim 1, wherein: pressure regulating mechanism (5) are including piston (10), threaded hole (11) are seted up to the upper surface of piston (10), the inside threaded connection of threaded hole (11) has threaded rod (12), clamp plate (13) have been placed to the inside of threaded rod (12), the upper surface of clamp plate (13) and the bottom fixed connection of threaded rod (12), the bottom surface fixedly connected with second expanding spring (14) of clamp plate (13), the bottom fixedly connected with piston plate (15) of second expanding spring (14), the inner wall fixed of piston (10) is inlayed and is had check valve (16).

3. A high efficiency screw cartridge as defined in claim 2, wherein: the second extension spring (14) is in a natural state, a rubber sealing ring is arranged on the contact surface of the outer surface of the piston plate (15) and the inner wall of the piston (10), the bottom surface of the piston (10) is communicated with the interior of the charging barrel (1), the air inlet end of the one-way valve (16) is communicated with the interior of the piston (10), and the air outlet end of the one-way valve (16) is communicated with the exterior.

4. A high efficiency screw cartridge as defined in claim 1, wherein: the outer surface joint of feed cylinder (1) has two symmetrical supports (17), two the equal fixedly connected with of bottom surface of support (17) a set of block rubber (18).

5. A high efficiency screw cartridge as defined in claim 1, wherein: the output of motor (2) and the department that runs through of feed cylinder (1) left surface leave the crack, and the fixed connection department of motor (2) and feed cylinder (1) is provided with strengthening rib (19).

6. A high efficiency screw cartridge as defined in claim 2, wherein: the front of feed cylinder (1) is provided with observation window (20), the bottom surface fixedly connected with filter screen (21) of piston (10).