CN211640860U

CN211640860U - Mixed electric injection device of injection molding machine

Info

Publication number: CN211640860U
Application number: CN201922306509.XU
Authority: CN
Inventors: 张如海; 王安江; 李小波; 张善坤; 于春雷; 励小平
Original assignee: Ningbo Shuangsheng Plastic Machinery Co ltd
Current assignee: Ningbo Shuangsheng Plastic Machinery Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-10-09
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a mixed electronic injection apparatus of injection molding machine belongs to injection molding machine injection apparatus technical field, including penetrating the pedestal, penetrating a frame, feed cylinder device, injection lead screw, it sets up to penetrate a frame penetrate on the pedestal, penetrate and be equipped with in the platform frame and penetrate a movable plate, feed cylinder device with penetrate the front end fixed connection of platform frame, the injection lead screw is followed penetrate the rear end of platform frame stretch into and with penetrate a movable plate and connect, penetrate and be equipped with linear guide rail on the frame both sides thick stick, just penetrate and be equipped with between the platform frame front and rear end and penetrate a guide arm. The utility model adds two ejection table guide rods on the basis of the linear guide rail, so that the ejection table movable plate can move more smoothly in the axial direction repeatedly, and can be shared by the ejection table guide rods if upward force is applied, and the linear guide rail is not easy to damage; because the linear guide rail and the ejection table guide rod can both enable the ejection table movable plate to move axially, the linear guide rail does not need to be subjected to size fine adjustment, and the overall assembly efficiency is improved.

Description

Mixed electric injection device of injection molding machine

Technical Field

The utility model belongs to the technical field of injection molding machine injection unit, concretely relates to injection molding machine hybrid electric injection device.

Background

The injection molding machine is a main molding device for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic molding die, and an injection device is an indispensable key part in the injection molding machine and can realize the feeding function of an injection molding process.

At present, an injection device of an injection molding machine, which uses a motor as a driving force, converts the torque of the motor into axial thrust through the motor and a transmission system, thereby pushing the axial repeated movement of the injection table plate and further controlling a screw to complete injection and loosening actions. The existing injection device realizes the action of repeatedly moving the shooting table plate in the axial direction on the linear guide rail on the shooting table frame by installing the slide block on the shooting table plate, but the following problems can be caused by only the linear guide rail: firstly, when the linear guide rail works, the strength of the linear guide rail is not high, and when the linear guide rail bears an upward force, if no other parts share the upward force, the linear guide rail is easily damaged; secondly, since the sliding can be performed only by the linear guide rail, the dimensional accuracy thereof must be finely adjusted, and the assembling efficiency is also affected.

In summary, in order to overcome the structural deficiency of the hybrid electric injection device, it is necessary to design a hybrid electric injection device for an injection molding machine, which does not require precise size adjustment, and has high assembly efficiency and high mechanical strength.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided one kind and need not the size fine tuning, assembly efficiency is high, the high injection molding machine hybrid electric injection device of mechanical strength.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a hybrid electric injection device of injection molding machine, is including penetrating the pedestal, penetrating a frame, feed cylinder device, injection lead screw, it sets up to penetrate a frame penetrate on the pedestal, it penetrates a movable plate to be equipped with in the frame to penetrate a frame, feed cylinder device with penetrate the front end fixed connection of a frame, the injection lead screw is followed the rear end that penetrates a frame stretches into and with penetrate a movable plate and connect, penetrate and be equipped with linear guide rail on the frame both sides thick stick, just penetrate and be equipped with a plurality of platform guide arms that penetrate between the frame front and back end, penetrate a movable plate including setting up slider and the guide bar cover at the side, the slider with linear guide rail sliding connection, the slidable cover of guide bar cover is established penetrate on the platform guide arm.

As a further improvement of the utility model, penetrate the platform guide arm penetrate and be provided with two on the platform movable plate altogether, just penetrate and be the diagonal angle setting on the platform movable plate, one of them with slider fixed connection.

As a further improvement of the utility model, the feed cylinder device includes feed cylinder, screw rod and nozzle, the feed cylinder pass through the feed cylinder mount pad with penetrate the front end fixed connection of platform frame, the screw rod sets up inside the feed cylinder, and follow the feed cylinder tail end extends and gets into penetrate platform frame front end with penetrate the bench board and connect, the nozzle passes through the feed cylinder precursor and installs the head end of feed cylinder.

As a further improvement of the utility model, the injection screw rod is provided with an injection screw rod flange, and the injection screw rod flange is positioned in the injection platform frame.

As a further improvement of the present invention, the injection screw flange is provided with a pressure sensor between the injection platen and the injection platen.

As a further improvement of the utility model, the injection screw rod injection device further comprises a transmission shaft and a bearing, the front end of the transmission shaft is connected with the screw rod, the rear end of the transmission shaft is installed through the bearing on the injection movable plate and close to the injection screw rod.

As a further improvement, the front end of the transmission shaft is also sleeved with a storage driving wheel.

As the utility model discloses a further improvement, penetrate the platform movable plate including setting up the fixed block in the top surface both sides, just penetrate platform movable plate top and still be equipped with the storage motor, the storage motor passes through the storage motor mounting panel to be fixed between the fixed block, the front end of storage motor still is equipped with the storage from the driving wheel.

As a further improvement, the injection platform frame comprises an injection platform rear plate arranged at the rear end, the injection screw rod tail end is arranged at the injection platform rear plate to extend out, and the extension end is provided with an injection driven wheel.

As a further improvement of the utility model, penetrate a back plate side and still be equipped with the injection motor, the injection motor pass through the injection motor mounting panel with penetrate a back plate fixed connection, just injection motor one end still is provided with the injection action wheel.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model adds two shooting table guide rods on the basis of the linear guide rail, so that the shooting table movable plate can be more smooth when moving repeatedly in the axial direction, and can be shared by the shooting table guide rods if being forced upwards, thereby avoiding the problem that the linear guide rail is easy to damage; additionally, because the utility model discloses a linear guide rail with penetrate a guide arm and all can make and penetrate a movable plate and carry out axial displacement, consequently, linear guide rail need not to carry out the size fine tuning again, has also improved holistic assembly efficiency.

Drawings

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of another perspective of the embodiment of FIG. 1;

fig. 3 is a cross-sectional view taken along B-B of fig. 2.

In the figure, 100, a shooting table; 200. a shooting table frame; 210. shooting a movable platen; 211. a slider; 212. a guide rod sleeve; 213. a fixed block; 220. a linear guide rail; 230. a shooting table guide rod; 240. a material storage motor; 241. a storage driven wheel; 250. a material storage motor mounting plate; 260. a shooting table back plate; 300. a cartridge device; 310. a charging barrel; 311. a cartridge precursor; 312. a charging barrel mounting seat; 320. a screw; 330. a nozzle; 340. a drive shaft; 341. a material storage driving wheel; 350. a bearing; 400. an injection screw; 410. an injection screw flange; 420. a pressure sensor; 430. injecting a driven wheel; 440. an injection motor; 450. an injection motor mounting plate; an injection drive wheel 460.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 3, a hybrid electric injection device of an injection molding machine comprises an injection platform 100, an injection platform frame 200, a material cylinder device 300 and an injection screw 400, wherein the injection platform frame 200 is arranged on the injection platform 100, an injection platform plate 210 is arranged in the injection platform frame 200, the material cylinder device 300 is fixedly connected with the front end of the injection platform frame 200, the injection screw 400 extends into the injection platform frame 200 from the rear end thereof and is connected with the injection platform plate 210, and linear guide rails 220 are arranged on two side bars of the injection platform frame 200.

Preferably, a plurality of injection table guide rods 230 are arranged between the front end and the rear end of the injection table frame 200, the injection table guide plate 210 comprises a slide block 211 and a guide rod sleeve 212 which are arranged on the side edges, the slide block 211 is slidably connected with the linear guide rail 220, and the guide rod sleeve 212 is slidably sleeved on the injection table guide rods 230.

Further preferably, the shooting table guide rods 230 are arranged on the shooting table plate 210 in two, and are diagonally arranged on the shooting table plate 210, one of the diagonal guide rods is fixedly connected with the sliding block 211, and the overall stability can be improved through the diagonally arranged structure.

Preferably, the cartridge device 300 includes a cartridge 310, a screw 320, and a nozzle 330, the cartridge 310 is fixedly connected to the front end of the shooting table frame 200 through a cartridge mounting seat 312, the screw 320 is disposed inside the cartridge 310 and extends from the rear end of the cartridge 310 into the front end of the shooting table frame 200 to be connected to the shooting table plate 210, and the nozzle 330 is connected to the head of the screw 320 through a cartridge front body 311. Meanwhile, in order to ensure that the work is more reliable, the head of the screw 320 is also provided with a thrust ring and a sealing ring, the thrust ring can be used for limiting axial movement, and the sealing ring strengthens the sealing property of the head of the screw 320.

Preferably, the injection screw 400 is sleeved with an injection screw flange 410, the injection screw flange 410 is located in the injection table frame 200, and a pressure sensor 420 is arranged between the injection screw flange 410 and the injection table plate 210, and a feedback system for injection control can be formed by the arrangement of the pressure sensor 420, so that the injection pressure of the screw 320 can be accurately controlled to meet the requirement of the process pressure of the product.

Further preferably, the injection device further comprises a transmission shaft 340 and a bearing 350, the front end of the transmission shaft 340 is connected with the screw 320, the rear end of the transmission shaft 340 is mounted on the injection table moving plate 210 through the bearing 350 and is close to the injection screw 400, in actual work, the injection screw 400 rotates to drive the injection table moving plate 210 to reciprocate along the axial direction of the injection table guide rod 230, and the transmission shaft 340 drives the screw 320 to reciprocate in the axial direction to complete the injection and loosening actions.

Preferably, the shooting table moving plate 210 comprises fixing blocks 213 arranged on two sides of the top surface, a storage motor 240 is further arranged above the shooting table moving plate 210, the storage motor 240 is fixed between the fixing blocks 213 through a storage motor mounting plate 250, a storage driven wheel 241 is further arranged at the front end of the storage motor 240, and the storage driven wheel 241 is connected with the screw 320 through a spline sleeve. Meanwhile, the front end of the transmission shaft 340 is also provided with a storage driving wheel 341, the storage driving wheel 341 is connected with the storage driven wheel 241 through a transmission belt, the storage motor 240 drives the storage driving wheel 341 to drive the storage driven wheel 241 to rotate, and the storage driven wheel 241 further drives the screw 320 to rotate through a spline housing.

Preferably, the injection table frame 200 includes an injection table back plate 260 disposed at the rear end, the tail end of the injection screw 400 extends out from the injection table back plate 260, an injection driven wheel 430 is disposed at the extending end, an injection motor 440 is further disposed at the side of the injection table back plate 260, the injection motor 440 is fixedly connected with the injection table back plate 260 through an injection motor mounting plate 450, an injection driving wheel 460 is further disposed at one end of the injection motor 440, and the advancing speed of the screw 320 can be adjusted through the rotating speed of the injection motor 440.

The technical means disclosed by the scheme of the invention are not limited to the technical means disclosed by the technical means, and the technical scheme also comprises the technical scheme formed by any combination of the technical characteristics. The foregoing is a detailed description of the invention, and it should be noted that modifications and adaptations can be made by those skilled in the art without departing from the principle of the invention, and are intended to be within the scope of the invention.

Claims

1. The utility model provides an injection molding machine hybrid electric injection device, is including penetrating the pedestal, penetrating a frame, feed cylinder device, injection lead screw, it sets up to penetrate a frame penetrate on the pedestal, it penetrates a movable plate to be equipped with in the frame to penetrate a frame, feed cylinder device with penetrate the front end fixed connection of a frame, the injection lead screw is followed the rear end that penetrates a frame stretches into and with penetrate a movable plate and connect, its characterized in that, be equipped with linear guide rail on penetrating a frame's the both sides thick stick, just penetrate and be equipped with a plurality of platform guide arms that penetrate between a frame front and back end, penetrate a movable plate including setting up slider and the guide rod cover at the side, the slider with linear guide rail sliding connection, the slidable cover of guide rod cover is established penetrate on the platform guide arm.

2. The apparatus of claim 1, wherein two of said shooting-stage guides are provided on said shooting-stage plate, and are diagonally provided on said shooting-stage plate, one of which is fixedly connected to said slide block.

3. The apparatus of claim 1, wherein the barrel assembly comprises a barrel fixedly connected to the front end of the shooting pot frame by a barrel mount, a screw disposed inside the barrel and extending from the rear end of the barrel into the front end of the shooting pot frame to be connected to the shooting pot movable plate, and a nozzle connected to the head of the screw by a barrel precursor.

4. The hybrid electric injection device of an injection molding machine as claimed in claim 1, wherein an injection screw flange is sleeved on the injection screw, and the injection screw flange is located in the shooting table frame.

5. The injection molding machine hybrid electric injection unit of claim 4, wherein a pressure sensor is provided between the injection screw flange and the shot table plate.

6. The injection molding machine hybrid electric injection unit of claim 3, further comprising a drive shaft and a bearing, wherein a front end of the drive shaft is connected to the screw, and a rear end of the drive shaft is mounted on the shooting table plate near the injection screw via the bearing.

7. The hybrid electric injection device of an injection molding machine as claimed in claim 6, wherein a storage driving wheel is further sleeved at the front end of the transmission shaft.

8. The injection molding machine hybrid electric injection device of claim 1, wherein the ejection table plate comprises fixed blocks disposed on both sides of a top surface, and a storage motor is further disposed above the ejection table plate, the storage motor is fixed between the fixed blocks through a storage motor mounting plate, and a storage driven wheel is further disposed at a front end of the storage motor.

9. The injection molding machine hybrid electric injection device of claim 1, wherein the injection stage frame comprises a rear injection stage plate disposed at a rear end, the injection screw tail end extends from the rear injection stage plate, and an injection driven wheel is disposed at an extended end.

10. The injection molding machine hybrid electric injection device of claim 9, wherein an injection motor is further disposed at a side of the injection platform back plate, the injection motor is fixedly connected with the injection platform back plate through an injection motor mounting plate, and an injection driving wheel is further disposed at one end of the injection motor.