CN220331890U

CN220331890U - Vertical injection unit of injection molding machine

Info

Publication number: CN220331890U
Application number: CN202321779565.5U
Authority: CN
Inventors: 李政霖; 孟雷
Original assignee: Suzhou Enzhuoer Precision Machinery Co ltd
Current assignee: Suzhou Enzhuoer Precision Machinery Co ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-01-12
Anticipated expiration: 2033-07-07

Abstract

The utility model discloses a vertical injection unit of an injection molding machine, which comprises a first driving mechanism, wherein a second driving mechanism is arranged above the first driving mechanism, a third driving mechanism is arranged in the middle of the second driving mechanism, the bottom of the first driving mechanism is a fixed plate, and a first motor is arranged on one side of the fixed plate. The vertical injection unit has the advantages that the first driving mechanism, the second driving mechanism and the third driving mechanism are arranged in an up-down structure, the vertical structure has a requirement on the height space, the total height of the injection unit is greatly reduced, in addition, when the injection unit is in injection action, the control performance is more stable under the condition of high injection speed, the acceleration is faster, more precise thin-wall products can be produced, and meanwhile, compared with a traditional mode, the injection unit of the injection machine can greatly improve the back pressure precision of stored materials and the injection stability, so that the repetition precision is improved.

Description

Vertical injection unit of injection molding machine

Technical Field

The utility model relates to the technical field of injection molding machines, in particular to a vertical injection unit of an injection molding machine.

Background

The injection unit of the injection machine is an important component of the injection machine, the injection unit of the vertical injection machine in the existing market has a disadvantage, and is quite high, and how to reasonably arrange the injection table structure of the injection machine is an urgent problem to be solved.

Disclosure of Invention

The utility model aims to provide a vertical injection unit of an injection molding machine, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vertical injection unit of injection molding machine, includes first actuating mechanism, second actuating mechanism is installed to first actuating mechanism's top, and the mid-mounting of second actuating mechanism has third actuating mechanism, first actuating mechanism's bottom is the fixed plate, and one side of fixed plate installs first motor, and the output of first motor is provided with first driving gear simultaneously, the fixed plate is located one side of first motor and installs first driven gear, and one side that fixed plate was kept away from to first driven gear is provided with first lead screw, the upper portion of second actuating mechanism is for penetrating the platform upper plate, and penetrates the below of platform upper plate and install the second motor, and the output of second motor is provided with the second driving gear simultaneously, the top of penetrating the platform upper plate is provided with the second driven gear, one side of second driven gear is connected with the second lead screw, the middle part of third actuating mechanism is for penetrating the platform lower plate, and the top of platform lower plate installs the third motor, and the output of third motor is provided with the third driving gear simultaneously, the upper plate is provided with the feed inlet, the top of penetrating the platform upper plate is provided with the feed inlet, the top of moving plate is provided with the feed plate.

Preferably, the first motor, the first driving gear, the first driven gear, the first gear belt, the fixing plate and the first screw rod form a first driving mechanism, and the first driving gear is connected with the first driven gear through the first gear belt.

Preferably, the second motor, the second driving gear, the second driven gear, the second gear belt, the injection table upper plate and the second screw rod form a second driving mechanism, and the second driving gear and the second driven gear are connected through the second gear belt.

Preferably, the third motor, the third driving gear, the third driven gear, the third gear belt and the shooting table lower plate form a third driving mechanism, and the third driving gear and the third driven gear are connected through the third gear belt.

Preferably, two screw rod sleeves are arranged, and second screw rods are arranged inside the screw rod sleeves.

Preferably, the upper plate of the shooting table is connected with the lower plate of the shooting table through a second screw rod.

Preferably, a guide rod is arranged between the fixed plate and the movable plate.

Preferably, a support column is arranged between the movable plate and the shooting table upper plate.

Preferably, a pressure disc is arranged at the upper part of the shooting table lower plate, and one side of the pressure disc is connected with the rotating shaft.

Compared with the prior art, the utility model has the beneficial effects that: the vertical injection unit of the injection molding machine adopts a vertical structure, the first driving mechanism, the second driving mechanism and the third driving mechanism are arranged in an upper-middle-lower structure, the injection unit structure of the injection molding machine can be reasonably arranged, the vertical structure has a requirement on a height space, the vertical injection unit adopts a double-screw rod structure, the total height of the injection unit is greatly reduced, and when in injection action, only the second driving mechanism moves, thus the weight of the injection mechanism is lightened, the starting inertia is reduced, because the inertia is low, the control performance is more stable under the condition of high injection speed, the acceleration is faster, more precise thin-wall products can be produced, meanwhile, the vertical injection unit of the injection molding machine directly arranges a pressure disc on the upper part of an injection unit plate, so that a screw rod is directly connected with the pressure disc through a rotating shaft, and the feedback force is directly transmitted to the pressure disc.

Drawings

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

FIG. 2 is a schematic diagram of a first driving mechanism according to the present utility model;

FIG. 3 is a schematic diagram of a second driving mechanism according to the present utility model;

FIG. 4 is a schematic diagram of a third driving mechanism according to the present utility model;

fig. 5 is a schematic side view of the present utility model.

In the figure: 1. a first driving mechanism; 2. a second driving mechanism; 3. a third driving mechanism; 4. a moving plate; 5. a support column; 6. a guide rod; 7. a feed inlet; 8. a material injection pipe; 9. a pressure plate; 101. a first motor; 102. a first drive gear; 103. a first driven gear; 104. a first gear belt; 105. a fixing plate; 106. a first screw rod; 201. a second motor; 202. a second drive gear; 203. a second driven gear; 204. a second gear belt; 205. a shooting table upper plate; 206. a second screw rod; 301. a third motor; 302. a third drive gear; 303. a third driven gear; 304. a third gear belt; 305. a lower plate of the shooting table; 306. a screw rod sleeve; 307. and a rotating shaft.

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. 1-5, the present utility model provides a technical solution: the injection molding machine vertical injection unit comprises a first driving mechanism 1, a second driving mechanism 2, a third driving mechanism 3, a moving plate 4, a supporting column 5, a guide rod 6, a feed inlet 7, a feed pipe 8 and a pressure disc 9, wherein the second driving mechanism 2 is arranged above the first driving mechanism 1, the third driving mechanism 3 is arranged in the middle of the second driving mechanism 2, an injection molding machine injection table structure can be reasonably arranged by adopting an upper, middle and lower structure, the injection molding machine vertical injection unit adopts a double-wire rod structure, the total height of the injection unit is greatly reduced, the bottom of the first driving mechanism 1 is a fixed plate 105, the bottom of the fixed plate 105 is fixed with a workbench of the injection molding machine, one side of the fixed plate 105 is provided with a first motor 101, the output end of the first motor 101 is provided with a first driving gear 102, one side of the fixed plate 105, which is positioned on the first motor 101 is provided with a first driven gear 103, and a first screw rod 106 is arranged on one side of the first driven gear 103 far away from the fixed plate 105, the first driving gear 102 is connected with the first driven gear 103 through a first gear belt 104, a first motor 101, the first driving gear 102, the first driven gear 103, the first gear belt 104, the fixed plate 105 and the first screw rod 106 form a first driving mechanism 1, the first motor 101 is started, the first motor 101 drives the first driven gear 103 to rotate through the first driving gear 102 and the first gear belt 104 at the output end, the rotating first driven gear 103 drives the first screw rod 106 to rotate, thereby driving the second driving mechanism 2 and the third driving mechanism 3 to move along the guide rod 6, the integral lifting of the second driving mechanism 2 and the third driving mechanism 3 can be realized through controlling the positive and negative rotation of the first motor 101, the upper part of the second driving mechanism 2 is a shooting table upper plate 205, the second motor 201 is arranged below the ejection table upper plate 205, meanwhile, a second driving gear 202 is arranged at the output end of the second motor 201, a second driven gear 203 is arranged above the ejection table upper plate 205, one side of the second driven gear 203 is connected with a second screw rod 206, the second driving gear 202 and the second driven gear 203 are connected through a second gear belt 204, the second motor 201, the second driving gear 202, the second driven gear 203, the second gear belt 204, the ejection table upper plate 205 and the second screw rod 206 form a second driving mechanism 2, the second motor 201 is started, the second driving gear 202 and the second gear belt 204 which are arranged at the output end of the second motor 201 can drive the second driven gear 203 to rotate, the second driven gear 203 drives the second screw rod 206 to rotate, meanwhile, the second screw rod 206 drives the third driving mechanism 3 to lift in the direction of the second screw rod 206, realize butt joint with a die port when injecting plastic slurry of a jet table, wherein, the lifting of a third driving mechanism 3 can be realized by controlling the positive and negative rotation of a second motor 201, the middle part of the third driving mechanism 3 is a jet table lower plate 305, a third motor 301 is arranged above the jet table lower plate 305, meanwhile, the output end of the third motor 301 is provided with a third driving gear 302, the third driving gear 302 and a third driven gear 303 are connected through a third gear belt 304, the third driving mechanism 3 is formed by the third motor 301, the third driving gear 302, the third driven gear 303, the third gear belt 304 and the jet table lower plate 305, the third motor 301 is started, the third driving gear 302 and the third gear belt 304 arranged at the output end drive the third driven gear 303 to rotate, the rotating third driven gear 303 drives a screw rod inside a material injection pipe 8 to rotate, the lower extreme of injection pipe 8 can be carried to the plastic pellet that the pivoted screw rod got into from feed inlet 7, realizes carrying plastic pellet, and the lead screw sleeve 306 has been seted up at the middle part of penetrating platform hypoplastron 305, and the third actuating mechanism 3 of being convenient for goes up and down along second lead screw 206 direction, and the top of fixed plate 105 is provided with movable plate 4, and the top of movable plate 4 is provided with penetrates platform upper plate 205, and the lower part of movable plate 4 is provided with feed inlet 7, and the lower part of feed inlet 7 is provided with injection pipe 8, and injection pipe 8 inside is provided with the screw rod, and pivoted screw rod is convenient for carry plastic pellet.

The screw rod sleeve 306 is provided with two, and the inside second lead screw 206 that all is provided with of screw rod sleeve 306, be convenient for third actuating mechanism 3 go up and down along second lead screw 206 direction, realize penetrating the platform plastics slurry of moulding plastics when docking with the mould mouth, adopt the double screw pole design, shorten the speed up time, improve the speed of penetrating, when the action of penetrating, only second actuating mechanism is in the motion, just so alleviateed the weight of mechanism of penetrating, reduce the start-up inertia, because the inertia is low, can be under the circumstances of high speed of penetrating, control performance is more stable, acceleration is faster, can produce more accurate thin wall product.

The upper platen 205 and the lower platen 305 are connected by a second screw 206, and the rotating second screw 206 drives the lower platen 305 to move up and down.

A guide rod 6 is arranged between the fixed plate 105 and the movable plate 4, so that the second driving mechanism 2 and the third driving mechanism 3 can conveniently move along the guide rod 6, and the integral lifting of the second driving mechanism 2 and the third driving mechanism 3 is realized.

The support column 5 is arranged between the movable plate 4 and the injection table upper plate 205, so that the injection table of the injection molding machine is more stable as a whole.

The upper portion of penetrating platform hypoplastron 305 is provided with pressure disk 9, and pressure disk 9 one side is connected with rotary shaft 307, and the inside screw rod afterbody of notes material pipe 8 meets with rotary shaft 307 simultaneously, and the screw rod passes through rotary shaft 307 to be connected with pressure disk 9, can directly transmit the force to pressure disk, compares with traditional mode, can to a great extent improve storage back pressure precision and ejection stability to improve repetition accuracy.

Working principle: when the vertical injection unit of the injection molding machine is used, the injection table is integrally mounted on the injection molding machine workbench, then the injection molding machine injection table is fixed with the injection molding machine through the fixing plate 105, the integral lifting of the second driving mechanism 2 and the third driving mechanism 3 can be realized by controlling the positive and negative rotation of the first motor 101, so that the positions of the second driving mechanism 2 and the third driving mechanism 3 in the injection molding machine are adjusted, the injection molding machine can be normally used after the position adjustment is completed, the operation is ready, the third motor 301 is started, the third motor 301 drives the third driven gear 303 to rotate through the third driving gear 302 and the third gear belt 304 which are arranged at the output end, the rotating third driven gear 303 drives the screw rod in the injection pipe 8 to rotate, and the rotating screw rod can convey plastic particles entering from the feed inlet 7 to the lower end of the injection pipe 8, at this time, the plastic particles are melted by the injection pipe 8, then the second motor 201 is started again, the second motor 201 can drive the second driven gear 203 to rotate through the second driving gear 202 and the second gear belt 204 which are arranged at the output end, the second driven gear 203 drives the second screw rod 206 to rotate, meanwhile, the second screw rod 206 drives the third driving mechanism 3 to lift in the direction of the second screw rod 206, the injection table is in butt joint with a mold opening when injecting plastic slurry, then the plastic slurry in the injection pipe 8 is injected into the mold, after the injection is finished, the second motor 201 is controlled to reversely rotate, and the third driving mechanism 3 is driven to move upwards, so that the whole injection molding process is completed, and the content which is not described in detail in the specification belongs to the prior art known to the person 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. Vertical injection unit of injection molding machine, including first actuating mechanism (1), its characterized in that: the upper part of the first driving mechanism (1) is provided with a second driving mechanism (2), the middle part of the second driving mechanism (2) is provided with a third driving mechanism (3), the bottom of the first driving mechanism (1) is provided with a fixed plate (105), one side of the fixed plate (105) is provided with a first motor (101), the output end of the first motor (101) is provided with a first driven gear (102), one side of the fixed plate (105) positioned on the first motor (101) is provided with a first driven gear (103), one side of the first driven gear (103) far away from the fixed plate (105) is provided with a first screw rod (106), the upper part of the second driving mechanism (2) is provided with a second motor (201), the output end of the second motor (201) is provided with a second driving gear (202), the upper part of the second motor (201) is provided with a second driven gear (203), one side of the second driven gear (203) is connected with a first driving gear (206), the lower part of the third motor (305) is provided with a third driving gear (301), the lower part of the third driving mechanism (301) is provided with a third driving plate (301), the middle part of penetrating platform hypoplastron (305) has seted up lead screw sleeve (306), the top of fixed plate (105) is provided with movable plate (4), the top of movable plate (4) is provided with penetrates platform upper plate (205), the lower part of movable plate (4) is provided with feed inlet (7), and the lower part of feed inlet (7) is provided with injection pipe (8).

2. The injection molding machine vertical injection unit of claim 1, wherein: the first motor (101), the first driving gear (102), the first driven gear (103), the first gear belt (104), the fixed plate (105) and the first screw rod (106) form a first driving mechanism (1), and the first driving gear (102) and the first driven gear (103) are connected through the first gear belt (104).

3. The injection molding machine vertical injection unit of claim 1, wherein: the second motor (201), the second driving gear (202), the second driven gear (203), the second gear belt (204), the shooting table upper plate (205) and the second screw rod (206) form a second driving mechanism (2), and the second driving gear (202) and the second driven gear (203) are connected through the second gear belt (204).

4. The injection molding machine vertical injection unit of claim 1, wherein: the third motor (301), the third driving gear (302), the third driven gear (303), the third gear belt (304) and the shooting table lower plate (305) form a third driving mechanism (3), and the third driving gear (302) and the third driven gear (303) are connected through the third gear belt (304).

5. The injection molding machine vertical injection unit of claim 1, wherein: two screw rod sleeves (306) are arranged, and second screw rods (206) are arranged inside the screw rod sleeves (306).

6. The injection molding machine vertical injection unit of claim 1, wherein: the shooting table upper plate (205) and the shooting table lower plate (305) are connected through a second screw rod (206).

7. The injection molding machine vertical injection unit of claim 1, wherein: a guide rod (6) is arranged between the fixed plate (105) and the movable plate (4).

8. The injection molding machine vertical injection unit of claim 1, wherein: a support column (5) is arranged between the moving plate (4) and the shooting table upper plate (205).

9. The injection molding machine vertical injection unit of claim 1, wherein: the upper part of the shooting table lower plate (305) is provided with a pressure disc (9), and one side of the pressure disc (9) is connected with a rotary shaft (307).