CN215434549U

CN215434549U - Automatic feed back proportioning device of injection molding machine

Info

Publication number: CN215434549U
Application number: CN202120737054.1U
Authority: CN
Inventors: 徐晓荣; 王彬
Original assignee: Yueqing Chuangshi Electronic Co ltd
Current assignee: Yueqing Chuangshi Electronic Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2022-01-07
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses an automatic feed-back proportioning device of an injection molding machine, which comprises a recycling hopper and a mixing box, wherein a waste collecting box is arranged at the top of the mixing box, a receiving plate is arranged in the waste collecting box, one side of the receiving plate is connected with a blanking plate, the other side of the receiving plate is provided with a pushing device used for pushing waste on the receiving plate to the blanking plate, the pushing device is connected with a weight sensing module used for sensing the weight of the waste on the receiving plate, and when the weight sensing module senses that the weight of the waste on the receiving plate exceeds a set value, the pushing device is driven to push the waste on the receiving plate to the blanking plate and suck new materials, and then the new materials and the waste materials enter the mixing box and are automatically conveyed to the feeding hopper on the injection molding machine body under the action of a crushing mechanism, a mixing mechanism and a conveying mechanism. By the arrangement, the waste material recycling device not only realizes the recycling of the waste material, but also can automatically supply the recycled waste material and the new material to an injection molding machine for reuse after being mixed according to a certain proportion.

Description

Automatic feed back proportioning device of injection molding machine

Technical Field

The utility model relates to waste recycling of an injection molding machine, in particular to an automatic feed-back proportioning device of the injection molding machine.

Background

An injection molding machine is a molding device for manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by using a plastic molding die, a plurality of leftovers are generated during the production and processing process, particularly during demolding, and the leftovers can cause the waste of raw materials if not reused. After being recycled, the waste materials are usually required to be mixed with new materials according to a certain proportion and then can be supplied to an injection molding machine again for use. In the prior art, only a waste recycling device is generally arranged, and related structures for automatically feeding the recycled waste into an injection molding machine after being remixed with new materials are lacked.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an automatic feed-back proportioning device of an injection molding machine, which not only realizes the recovery of waste materials, but also can automatically supply the recovered waste materials and new materials to the injection molding machine for reuse after being mixed according to a certain proportion.

In order to achieve the aim, the utility model provides an automatic feed-back proportioning device of an injection molding machine, which comprises a recovery hopper arranged beside an injection molding machine body and a mixing box used for proportioning and mixing waste materials and new materials, wherein a cutting device used for cutting the waste materials is arranged in the recovery hopper, a waste material collecting box is arranged at the top of the mixing box, an inlet of the waste material collecting box is arranged at the top of the waste material collecting box and is connected with an outlet of the recovery hopper through a high-pressure recovery mechanism, a material receiving plate is arranged in the waste material collecting box and is correspondingly positioned under the inlet of the waste material collecting box, one side of the material receiving plate is connected with a material discharging plate, the other side of the material receiving plate is provided with a pushing device used for pushing the waste materials on the material receiving plate to the material discharging plate, a weight sensing module used for sensing the weight of the waste materials on the material receiving plate is connected on the pushing device, and when the weight of the waste materials on the material receiving plate sensed by the weight sensing module exceeds a set value, the driving pushing device pushes the waste on the receiving plate to the discharging plate, the discharging plate is hinged and arranged in the waste collecting box, the outlet of the waste collecting box is arranged under the discharging plate, when the waste on the receiving plate is pushed to the discharging plate, the discharging plate is hinged and overturned downwards and pours the waste into the outlet of the waste collecting box, the discharging plate is also connected with a reset torsion spring which drives the discharging plate to reset after the discharging plate finishes pouring the waste, the feed inlet of the mixing box is arranged at the top of the mixing box and is connected with the outlet of the waste collecting box, the feed inlet of the mixing box is also connected with a high-pressure suction mechanism for sucking new materials, the high-pressure suction mechanism is in signal connection with the weight sensing module, and when the weight of the waste on the receiving plate sensed by the weight sensing module exceeds a set value, the high-pressure suction mechanism is driven to suck the new materials, and the crushing mechanism and the mixing mechanism are sequentially arranged below the feed inlet of the mixing box from top to bottom, the mixing box is also internally provided with a conveying mechanism for automatically conveying the mixed materials of the mixing mechanism to the feeding hopper of the injection molding machine body.

The utility model has the beneficial effects that: adopt above-mentioned structure, the waste recovery who produces is in retrieving the hopper, after cutting device cuts, collect in the garbage collection box earlier through high-pressure recovery mechanism, and place in and connect on the flitch, when waiting to accumulate a quantitative, when weight response module senses the waste material weight on the flitch and surpasses the setting value promptly, drive thrust unit will connect waste material propelling movement on the flitch to lower flitch, lower flitch is articulated upset downwards, pour the waste material into the export of garbage collection box, and simultaneously, still drive high-pressure suction means and absorb new material according to a quantitative, then new material and waste material all enter into the mixing box in, after rubbing crusher constructs and mixing mechanism effect, the material that mixes again produces again in the feeder hopper on the injection molding machine body is carried automatically to conveying mechanism at last. In conclusion, the utility model not only realizes the recovery of the waste material, but also can automatically supply the recovered waste material and the new material to the injection molding machine for reuse after being mixed according to a certain proportion.

The utility model can be further configured that the pushing device comprises a push plate and a push rod, the push plate is fixedly arranged at one end of the push rod, and the push rod is connected with a power source for driving the push rod to move. Set up like this, the push rod removes under the effect of power supply to drive the push pedal and remove, with the realization will connect the waste material propelling movement on the flitch to down on the flitch.

The utility model may be further arranged such that the crushing mechanism comprises a pair of crushing rollers arranged side by side and having opposite directions of rotation. The mixing mechanism comprises an upper material guide plate and a lower material guide plate, the upper material guide plate is arranged into a V-shaped structure and is positioned under the pair of crushing rollers, the lower material guide plate is positioned under the upper material guide plate and is arranged into a Z-shaped structure which is obliquely arranged, and the sharp corners of the V-shaped upper material guide plate and the bending positions of the Z-shaped lower material guide plate are both provided with mixing rollers. Set up like this, new material and waste material are smashed through crushing roller effect earlier, and then mix through the mixing mechanism effect remixing to reuse, and the material mixes again through smashing, and the mixing effect is better. Simultaneously, because the closed angle department of stock guide and the bending department of stock guide under the Z shape on the V-arrangement all are provided with the mixing roller, consequently make new material and waste material after being smashed can mix through a lot of, mix more thoroughly, the effect is better.

The utility model can be further arranged in such a way that the conveying mechanism comprises a rotating shaft, helical blades arranged on the rotating shaft and a motor for driving the rotating shaft to rotate, a conveying cavity is formed in the mixing box in a separated mode, the lower end of the conveying cavity is provided with an opening communicated with the output end of the Z-shaped lower material guide plate, the rotating shaft is rotatably arranged in the conveying cavity and is vertically arranged, and the upper end of the conveying cavity is communicated with a feed hopper on the injection molding machine body through a connecting pipe which is obliquely arranged. Set up like this, the axis of rotation and the helical blade of setting in the axis of rotation rotate under the effect of motor to the realization will mix the good automatic operation of carrying in the injection molding machine body feeder hopper of material.

The utility model can be further provided with a vibration motor which can cause the Z-shaped lower material guide plate to vibrate at the output end of the Z-shaped lower material guide plate. Through setting up vibrating motor, more help the timely output of material.

Drawings

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

FIG. 2 is a schematic view of a portion of the waste collection box of the present invention.

Detailed Description

As shown in figures 1 and 2, the automatic feed back proportioning device of the injection molding machine comprises a recycling hopper 2 arranged beside an injection molding machine body 1 and a mixing box 3 used for proportioning and mixing waste materials and new materials, wherein a cutting device 23 used for cutting the waste materials is arranged in the recycling hopper 2, and the cutting device specifically comprises a cutting rotating shaft, a cutting knife arranged on the cutting rotating shaft and a cutting motor used for driving the cutting rotating shaft to rotate. The top of mixing box 3 is provided with scrap collecting box 4, and scrap collecting box 4's import 41 sets up at its top and meets through the export of high-pressure recovery mechanism with recovery hopper 2, and high-pressure recovery mechanism specifically can include high-pressure recovery pipe 5 and set up the pumpingh pump on the high-pressure recovery pipe 5, is provided with in scrap collecting box 4 and connects flitch 6, connects flitch 6 to be located scrap collecting box import 41 under correspondingly, connects one side of flitch 6 to be connected with flitch 7 down, connects the opposite side of flitch 6 to be provided with and is used for meeting the pusher on flitch 6 to lower flitch 7, pusher includes push pedal 8, push rod 9, and push pedal 8 is fixed to be set up on one end of push rod 9, push rod 9 on be connected with push rod motor or cylinder 10 that are used for driving its removal. The pushing device is connected with a weight sensing module used for sensing the weight of the waste on the material receiving plate 6, the weight sensing module can specifically comprise a gravity sensor 11 arranged on the material receiving plate 6 and a control chip connected with the gravity sensor 11, the control chip can specifically adopt a P87C51RB + type single chip microcomputer, when the gravity sensor 11 senses that the weight of the waste on the material receiving plate 6 exceeds a set value, a signal is transmitted to the control chip, the control chip controls a push rod motor or an air cylinder 10 to work, so that the waste on the material receiving plate 6 is pushed to the discharging plate 7, the discharging plate 7 is hinged and arranged in the waste collecting box 4, an outlet 42 of the waste collecting box 4 is arranged under the discharging plate 7, when the waste on the material receiving plate 6 is pushed to the discharging plate 7, the discharging plate 7 is hinged and overturned downwards and pours the waste into the waste collecting box outlet 42, the discharging plate 7 is also connected with a reset torsion spring 12 which can reset the waste after the waste is poured, the feed inlet 31 of mixing box 3 sets up at its top and meets with the export 42 of garbage collection box 4, still be connected with the high pressure suction means who is used for absorbing the new material on the feed inlet 31 of mixing box 3, high pressure suction means specifically can include high pressure suction pipe 13 and set up the pumpingh pump on the high pressure recovery pipe 13, for the measurement to the new material of absorption of convenience, can also be on high pressure recovery pipe 13 or be connected metering structure such as the measuring pump on the pumpingh pump, pumpingh pump and control chip signal connection, when gravity sensor 11 senses and connects the waste material weight on flitch 6 and exceed the setting value, give control chip with the signal transmission, control chip makes the pumpingh pump extract the new material according to a quantitative. Crushing mechanism and mixing mechanism have been set gradually from top to bottom in the below of its feed inlet 31 in mixing box 3, mixing box 3 in still be provided with the conveying mechanism who is used for giving injection molding machine body feeder hopper 14 with the automatic material of mixing mechanism's mixture.

Adopt above-mentioned structure, the waste recovery who produces is in retrieving hopper 2, after cutting device 23 cuts, collect earlier in garbage collection box 4 through high-pressure recovery mechanism, and place in on connecing flitch 6, when waiting to accumulate a certain amount, when gravity sensor 11 senses the waste material weight on connecing flitch 6 and surpasses the setting value promptly, give control chip with the signal transmission, control chip makes push rod motor or cylinder 10 work, will connect the waste material propelling movement on the flitch 6 to unloading board 7 on, unloading board 7 is articulated upset downwards, pour the waste material into the export 42 of garbage collection box 4, and simultaneously, still control the new material of pumping pump according to a certain amount extraction. Then the new material and the waste material enter the mixing box 3, and after the new material and the waste material are acted by the crushing mechanism and the mixing mechanism, the remixed material is automatically conveyed into a feed hopper 14 on the injection molding machine body 1 by a conveying mechanism for reproduction. In conclusion, the utility model not only realizes the recovery of the waste material, but also can automatically supply the recovered waste material and the new material to the injection molding machine for reuse after being mixed according to a certain proportion.

The crushing mechanism includes a pair of crushing rollers 15 arranged side by side and having opposite rotation directions. The mixing mechanism comprises an upper material guide plate 16 and a lower material guide plate 17, the upper material guide plate 16 is arranged into a V-shaped structure and is positioned under the pair of crushing rollers 15, the lower material guide plate 17 is positioned under the upper material guide plate 16 and is arranged into a Z-shaped structure which is obliquely arranged, and the sharp corners of the V-shaped upper material guide plate 16 and the bent positions of the Z-shaped lower material guide plate 17 are both provided with mixing rollers 24. Set up like this, new material and waste material are smashed through crushing roller effect earlier, and then mix through the mixing mechanism effect remixing to reuse, and the material mixes again through smashing, and the mixing effect is better. Simultaneously, because the closed angle department of stock guide and the bending department of stock guide under the Z shape on the V-arrangement all are provided with the mixing roller, consequently make new material and waste material after being smashed can mix through a lot of, mix more thoroughly, the effect is better.

The conveying mechanism comprises a rotating shaft 18, a helical blade 19 arranged on the rotating shaft 18 and a motor 20 used for driving the rotating shaft 18 to rotate, a conveying cavity 32 is formed in the mixing box 3 in a separated mode, an opening 33 communicated with the output end of the Z-shaped lower material guide plate 17 is formed in the lower end of the conveying cavity 32, the rotating shaft 18 is rotatably arranged in the conveying cavity 32 and is vertically arranged, and the upper end of the conveying cavity 32 is communicated with the feeding hopper 14 on the injection molding machine body 1 through a connecting pipe 21 which is obliquely arranged. With the arrangement, the rotating shaft 18 and the helical blade 19 arranged on the rotating shaft 18 rotate under the action of the motor 20, so that the mixed materials are automatically conveyed into the feed hopper 14 of the injection molding machine body. The output end of the Z-shaped lower material guide plate 17 is provided with a vibration motor 22 for promoting the vibration of the Z-shaped lower material guide plate. By arranging the vibrating motor 22, timely material output is facilitated.

Claims

1. The utility model provides an automatic feed back proportioning device of injection molding machine, is provided with the cutting device who is used for cutting the waste material in retrieving the hopper including setting up the recovery hopper next door at injection molding machine body, its characterized in that: the waste material collecting box is characterized by further comprising a mixing box for mixing waste materials and new materials in a matching mode, a waste material collecting box is arranged at the top of the mixing box, an inlet of the waste material collecting box is arranged at the top of the mixing box and is connected with an outlet of a recycling hopper through a high-pressure recycling mechanism, a material receiving plate is arranged in the waste material collecting box and is correspondingly positioned under the inlet of the waste material collecting box, a material discharging plate is connected to one side of the material receiving plate, a pushing device for pushing waste materials on the material receiving plate to the material discharging plate is arranged on the other side of the material receiving plate, a weight sensing module for sensing the weight of the waste materials on the material receiving plate is connected to the pushing device, when the weight sensing module senses that the weight of the waste materials on the material receiving plate exceeds a set value, the material discharging plate is hinged to be arranged in the waste material collecting box, and an outlet of the waste material collecting box is arranged under the material discharging plate, when the waste on the receiving plate is pushed to the blanking plate, the blanking plate is hinged and overturned downwards and pours the waste into the outlet of the waste collecting box, the blanking plate is also connected with a reset torsion spring which can drive the waste material to reset after the waste material is poured out, the feed inlet of the mixing box is arranged at the top of the mixing box and is connected with the outlet of the waste material collecting box, the feed inlet of the mixing box is also connected with a high-pressure suction mechanism for sucking new materials, the high-pressure suction mechanism is in signal connection with the weight sensing module, when the weight sensing module senses that the weight of the waste on the receiving plate exceeds a set value, the high-pressure suction mechanism is driven to suck new materials, the crushing mechanism and the mixing mechanism are sequentially arranged below the feeding hole in the mixing box from top to bottom, the mixing box is also internally provided with a conveying mechanism for automatically conveying the mixed materials of the mixing mechanism to the feeding hopper of the injection molding machine body.

2. The automatic feed-back proportioning device of an injection molding machine according to claim 1, characterized in that: the pushing device comprises a push plate and a push rod, the push plate is fixedly arranged at one end of the push rod, and the push rod is connected with a power source for driving the push plate to move.

3. The automatic feed-back proportioning device of an injection molding machine according to claim 1 or 2, characterized in that: the crushing mechanism comprises a pair of crushing rollers which are arranged side by side and have opposite rotating directions.

4. The automatic feed-back proportioning device of an injection molding machine according to claim 3, characterized in that: the mixing mechanism comprises an upper material guide plate and a lower material guide plate, the upper material guide plate is arranged into a V-shaped structure and is positioned under the pair of crushing rollers, the lower material guide plate is positioned under the upper material guide plate and is arranged into a Z-shaped structure which is obliquely arranged, and the sharp corners of the V-shaped upper material guide plate and the bending positions of the Z-shaped lower material guide plate are both provided with mixing rollers.

5. The automatic feed-back proportioning device of an injection molding machine according to claim 4, characterized in that: conveying mechanism includes the axis of rotation, sets up at the epaxial helical blade of rotation and is used for driving axis of rotation pivoted motor, and the separation is formed with the transport chamber in the mixing box, and the lower extreme of carrying the chamber is provided with the opening that is linked together with Z shape lower stock guide's output, and the axis of rotation rotates the setting and carries the intracavity to be vertical placing, carry the connecting pipe intercommunication of placing through being the slope between the upper end in chamber and the feeder hopper on the injection molding machine body.

6. The automatic feed-back proportioning device of an injection molding machine according to claim 5, characterized in that: the output end of the Z-shaped lower material guide plate is provided with a vibration motor which can drive the Z-shaped lower material guide plate to vibrate.