CN215703126U

CN215703126U - Automatic operation device for rubber and plastic mixing

Info

Publication number: CN215703126U
Application number: CN202120928185.8U
Authority: CN
Inventors: 彭文清
Original assignee: Quanzhou Hongtai Machinery Co ltd
Current assignee: Quanzhou Hongtai Machinery Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-02-01
Anticipated expiration: 2031-04-30

Abstract

An automatic operation device for rubber and plastic mixing belongs to the technical field of rubber and plastic machinery and comprises an internal mixer, a feeding machine, a lifting machine, an automatic open mill, a conveying machine, a double-cone screw plasticizing extruding machine, an open mill, a discharging machine and a control system, wherein the internal mixer, the feeding machine, the lifting machine, the automatic open mill, the conveying machine, the double-cone screw plasticizing extruding machine, the open mill and the discharging machine are sequentially arranged and installed on the same straight line by taking the internal mixer as the back direction and the front direction; the lifting machine is a structure that a motor arranged at the front end of the frame receives and releases a steel cable to pull the hopper to lift and comprises a lifting hopper, and the lifting hopper has the function of lifting and conveying rubber materials from the feeding hopper and the conveying belt to the hopper of the automatic open mill; the double-cone screw rod plasticizing extruder comprises a plasticizing hopper, a double-cone bin body, a die head and a double-cone screw rod, wherein the plasticizing hopper is connected to the upper part of the double-cone bin body, the rear end of the die head is connected to the front edge of the outer surface of the double-cone bin body, a discharge hole is formed in the middle of the front edge of the die head, and the rear end of the double-cone screw rod is located in the double-cone bin body and the front end of the double-cone screw rod is located in the die head.

Description

Automatic operation device for rubber and plastic mixing

Technical Field

The utility model relates to an automatic rubber-plastic line production device, in particular to an automatic rubber-plastic mixing operation device, and belongs to the technical field of rubber-plastic machinery.

Background

In the technical field of rubber and plastic processing, a plurality of products need to be smelted and blended by an internal mixer and an open mill, products such as natural rubber, synthetic rubber, ethylene-vinyl acetate copolymer and the like are generally subjected to vulcanization molding by a vulcanizer and injection molding by a novel process, the raw materials are dispersed and mixed and melted by the internal mixer and the open mill, and then the products can enter an injection or flat vulcanizing machine for vulcanization molding after granulation or sheet discharge. After the raw material formula according to the specific technical requirements is mixed by an internal mixer, the raw materials which are originally colloid, particles and powder and the batch materials are fused and melted into a micelle. But the dispersion degree between various batch materials and rubber (plastic) in the raw materials is low, and only the common dispersion degree is achieved. In order to fully disperse various components in the micelle into sheet materials or granular materials which can enter a forming process, the sheet materials or the granular materials are subjected to thick-passing, thin-passing, triangular bag making, thick-thin kneading and refining by an open mill according to the industrial terminology, and then the sheet materials or the granular materials are prepared into rubber particles by a sheet discharging machine or a granulating machine. These procedures have traditionally been manually operated both on stand-alone machines and from machine to machine.

There is a technical scheme of the automatic line production device (ZL 2019205726997) of rubber and plastic mixing of a transmission type, because promote the medium of the elevator to adopt the link chain and link chain in the actual application, and the maintenance of the user is difficult to be achieved timely and comprehensively, cause the failure rate of the apparatus to be high directly, not only influence production and credit of the apparatus in the user, cause after-sale maintenance frequency and cost to be high at the same time; secondly, along with the continuous improvement of the market on the quality requirement of the rubber and plastic products, the plasticizing degree of the device in the mixing of the rubber and plastic raw materials is still to be improved.

Disclosure of Invention

In order to solve the technical problems that the high failure rate and the plasticizing degree of the lifting hoist need to be improved, the utility model provides an automatic operation device for rubber and plastic mixing.

The technical scheme adopted by the utility model is as follows: an automatic operation device for rubber and plastic mixing comprises an internal mixer, a feeding machine, a lifting machine, an automatic open mill, a conveyer, a double-cone screw plasticizing extruder, an open mill, a discharging machine and a control system, wherein the internal mixer, the feeding machine, the lifting machine, the automatic open mill, the conveyer, the double-cone screw plasticizing extruder, the open mill and the discharging machine are sequentially arranged and installed on the same straight line from back to front by the internal mixer; the internal mixer is of a turnover type automatic mixing and discharging structure; the feeding machine comprises a frame body with a slope shape with a high front part and a low back part and a climbing type feeding hopper arranged on the back surface of the frame body, wherein the feeding hopper respectively takes the middle of a discharge port of the internal mixer and the back surface of the elevator as a starting point and an end point; the automatic open mill is provided with an automatic material guiding and turning manipulator and a material pressing machine, and a bidirectional transmission belt is arranged below the roller; the lifting machine is a structure that a motor arranged at the front end of the frame receives and releases a steel cable to pull the hopper to lift and comprises a lifting hopper, and the lifting hopper has the function of lifting and conveying rubber materials from the feeding hopper and the conveying belt to the mixing hopper of the automatic open mill; the conveyer is a belt conveyer, and is arranged between the lower surface of a transmission belt in front of the automatic open mill and the upper surface of a plasticizing hopper of the double-cone screw plasticizing extruder; the double-cone screw plasticizing extruder is in a structure that a double-cone screw deeply fuses and plasticizes a sizing material extrusion die head, and also comprises a temperature control system; the open mill is a common open mill and has a structure with the function of automatically adjusting the roll spacing; the discharging machine is a replaceable machine tool comprising a discharging piece and granulation, and the rubber material piece output by the open mill is directly extended to the discharging machine; the control system is a control center taking a control computer as a core and comprises a control panel, a monitoring system and a control motor, and a control system control device automatically runs.

The elevator uses a steel cable as a lifting medium and comprises a base, a frame and a lifting hopper, the frame is of a forward-probing structure formed by bending the upper end forward and consists of two symmetrical side edges, the bottom of the frame is fixed on the base, the lifting hopper is of a lifting structure, the opening of the hopper takes the middle of the back surface of the frame, the lower surface of a transmission belt and the open hopper of an automatic open mill as a starting point and a finishing point respectively and is arranged in the middle of the frame, and the lifting hopper slides up and down along groove type rails on the two inner side edges of the frame by pulleys arranged on the two outer side edges of the lifting hopper.

The double-cone screw rod plasticizing extruder comprises a plasticizing hopper, a double-cone bin body, a die head and a double-cone screw rod, wherein the plasticizing hopper is connected to the upper side of the double-cone bin body, the die head is of an open-close type structure, the rear end of the die head is connected to the front edge of the outer side of the double-cone bin body, a transverse bar-shaped discharge hole is formed in the middle of the front edge of the die head, and the rear end of the double-cone screw rod is located in the double-cone bin body and the front end of the double-cone screw rod is located in the die head.

The control system comprises a controller, a control motor, a control panel and a monitoring system, wherein the controller is a control center consisting of intelligent elements taking a PLC (programmable logic controller) as a main control module and is arranged in a control cabinet, the control motor is respectively arranged on a mechanical arm and a roller spacing regulator, the control panel is of a liquid crystal touch screen structure, and parameters for controlling and running are input and displayed on the control panel, the monitoring system comprises flow monitoring and temperature monitoring, the monitoring system is distributed at each monitoring point of the whole operation device, and the controller controls the motor and the whole operation device to automatically run according to a pre-designed program and monitoring information instructions of the monitoring system.

The utility model has the beneficial effects that: the device is an upgrade version of a transmission type rubber and plastic mixing automatic line production device. The device solves the technical problems that the failure rate of the hoister is high and the plasticizing degree needs to be improved in the original pipelining device. The elevator changes the original structure of taking the chain as the lifting medium into the steel cable, can effectively overcome the frequent problem of faults caused by the improper and untimely maintenance of a client side and the like, effectively improves the production efficiency and reduces the after-sale service cost, and simultaneously achieves the purposes of strengthening mixing and dispersing and effectively improves the quality of rubber and plastic products because of the double-cone screw plasticizing extruder with the double-cone screw.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic side view of the present invention:

the automatic open mill comprises an internal mixer, a feeding machine, a lifting machine, an automatic open mill, a conveyor, a double-cone screw plasticizing extruder, a mixer, a discharging machine, a frame body, a feeding hopper, a conveying belt, a frame, a motor, a 14, a steel cable, a 15, a lifting hopper, a 16, sizing materials, a 17, an opening hopper, a 18, a plasticizing hopper, a 19, a die head, a base, a 20, a 21, a double-cone cabin body, a 22 and a die head.

Detailed Description

In the embodiment of fig. 1, an automatic operation device for rubber and plastic mixing comprises an internal mixer, a feeder, a lifter, an automatic open mill, a conveyor, a double-cone screw plasticizing extruder, an open mill, a discharging machine and a control system, wherein the internal mixer, the feeder, the lifter, the automatic open mill, the conveyor, the double-cone screw plasticizing extruder, the open mill and the discharging machine are sequentially arranged and installed on the same straight line from back to front by the internal mixer; the internal mixer is of a turnover type automatic mixing and discharging structure; the feeding machine II comprises a frame body 9 with a slope shape with a high front part and a low back part and a climbing type feeding hopper 10 arranged on the back surface of the frame body 9, wherein the feeding hopper 10 respectively takes the middle of the back surface of a discharge port of the internal mixer I and a lifting machine III as a starting point and an end point; the automatic open mill IV is provided with an automatic material guiding and turning manipulator and a material pressing machine, and a bidirectional transmission belt 11 is arranged below the roller; the elevator (III) is a structure that a steel cable (14) is wound and unwound by a motor (13) arranged at the front end of the frame (12) to pull the hopper to lift and comprises a lifting hopper (15), and the lifting hopper (15) has the function of lifting and conveying the rubber material (16) between the feeding hopper (10) and the conveying belt (11) and the open hopper (17) of the automatic open mill (IV); the conveyer is a belt conveyer and is arranged between the lower part of a transmission belt 11 in front of the automatic open mill and the upper part of a plasticizing hopper 18 of a double-cone screw plasticizing extruder; the double-cone screw plasticizing extruder is in a structure that the rubber 16 is extruded out of the die head 19 by a double-cone screw to be deeply fused and plasticized, and also comprises a temperature control system; the open mill is a common open mill and has a structure with the function of automatically adjusting the roller spacing; the discharging machine is a replaceable machine tool comprising a discharging piece and a granulating machine, and the rubber material piece output by the open mill is directly extended to the discharging machine; the control system is a control center taking a control computer as a core and comprises a control panel, a monitoring system and a control motor, and a control system control device automatically runs.

The elevator third is to use the steel cable 14 as the lifting medium and includes the base 20, the framework 12 and the material lifting bucket 15, the framework 12 is the structure that the upper end is bent forward to the foreward detection type and is made up of two symmetrical sides, the bottom of the framework 12 is fixed on the base 20, the material lifting bucket 15 is the lifting type structure and the material hopper mouth respectively uses the middle of the back of the framework 12, the lower of the transmission belt 11 and the automatic open mill 17 as the starting point and the terminal point and is installed in the middle of the framework 12, the material lifting bucket 15 slides up and down along the groove track of the two sides in the framework 12 by the pulley set up on the two sides outside the material lifting bucket 15.

The double-cone screw rod plasticizing extruder comprises a plasticizing hopper 18, a double-cone bin body 21, a die head 19 and a double-cone screw rod, wherein the plasticizing hopper 18 is connected to the double-cone bin body 21, the die head 19 is of an open-close type structure, the rear end of the die head 19 is connected to the front edge of the outer side of the double-cone bin body 21, a transverse strip-shaped discharge hole is formed in the middle of the front edge of the die head 19, and the rear end of the double-cone screw rod is located in the double-cone bin body 21 and the front end of the double-cone screw rod is located in the die head.

Example 1: the rubber and plastic raw materials including natural rubber, synthetic rubber, EVA and the like and the rubber and plastic auxiliary agents are manually put into a mixing bin of a mixer I according to the formula amount, the operation device is started through a control panel, after the rubber and plastic raw materials are automatically mixed into rubber masses, the mixing bin of the mixer I automatically turns forwards and transmits the rubber masses to a feeding hopper 10 of a feeding machine III, a controller instructs the feeding hopper 10 to ascend and pour the rubber masses 16 to the feeding hopper 10 in the middle of a rack 12, and a lifting hopper 15 of the feeding machine II automatically falls back to stand by.

Example 2: according to the technical parameter requirements of products, the controller instructs the automatic open mill to adjust the distance between the front roller and the rear roller, and the rubber 16 is rolled into sheets by the front roller and the rear roller and is turned and poured under the rollers. The rubber 16 is conveyed backwards to the lifting hopper 15 by the conveying belt 11 according to the instructions of the controller, and the mixing is repeated until the rubber 16 meets the technical requirements of discharging.

Example 3: after the rubber 16 meets the technical requirement of discharging, the controller instructs the conveying belt 11 to convey the rubber 16 forward, and the rubber 16 is conveyed to the lower end of the conveyer (fifth) and conveyed to a double-cone screw plasticizing extruder (sixth). Carrying out spiral stirring and plasticizing extrusion with high compression ratio.

Example 4: when the rubber 16 is conveyed to the upper part of the double-cone screw plasticizing extruder by the conveyer, the rubber is received by the plasticizing hopper 18 and enters the upper end of the double-cone bin body 21, because the rear end of the double-cone screw is arranged at the double-cone bin body 21, the rubber 16 entering the upper end of the double-cone bin body 21 is extruded towards the middle by the double-cone screws rotating oppositely and is pushed forwards to the front end of the double-cone screw in the die head 19. Because the space is gradually reduced, the rubber 16 bears the huge rotation force and pressure applied by the double-cone screw, and the plasticizing purpose of strengthening mixing and dispersing with the best effect is achieved.

Example 5: after being extruded from a discharge port of a double-cone screw rod plasticizing extruder (19), the rubber material 16 directly enters an open mill (C), a controller instructs an automatic roller distance adjusting mechanism of the open mill (C) to adjust the roller distance according to preset sheet discharging thickness parameters, and the rubber material 16 is discharged from the open mill (C) and is guided to a discharging machine (C) in the form of the rubber material sheet (16).

Claims

1. An automatic operation device for rubber and plastic mixing is characterized in that: the device consists of an internal mixer, a feeding machine, a lifting machine, an automatic open mill, a conveyor, a double-cone screw plasticizing extruder, an open mill, a discharging machine and a control system, wherein the internal mixer, the feeding machine, the lifting machine, the automatic open mill, the conveyor, the double-cone screw plasticizing extruder, the open mill and the discharging machine are sequentially arranged and installed on the same straight line from back to front by the internal mixer; the internal mixer is of a turnover type automatic mixing and discharging structure; the feeding machine comprises a frame body with a slope shape with a high front part and a low back part and a climbing type feeding hopper arranged on the back surface of the frame body, wherein the feeding hopper respectively takes the middle of a discharge port of the internal mixer and the back surface of the elevator as a starting point and an end point; the automatic open mill is provided with an automatic material guiding and turning manipulator and a material pressing machine, and a bidirectional transmission belt is arranged below the roller; the lifting machine is a structure that a motor arranged at the front end of the frame receives and releases a steel cable to pull the hopper to lift and comprises a lifting hopper, and the lifting hopper has the function of lifting and conveying rubber materials from the feeding hopper and the conveying belt to the mixing hopper of the automatic open mill; the conveyer is a belt conveyer, and is arranged between the lower surface of a transmission belt in front of the automatic open mill and the upper surface of a plasticizing hopper of the double-cone screw plasticizing extruder; the double-cone screw plasticizing extruder is in a structure that a double-cone screw deeply fuses and plasticizes a sizing material extrusion die head, and also comprises a temperature control system; the open mill is a common open mill and has a structure with the function of automatically adjusting the roll spacing; the discharging machine is a replaceable machine tool comprising a discharging piece and granulation, and the rubber material piece output by the open mill is directly extended to the discharging machine; the control system is a control center taking a control computer as a core and comprises a control panel, a monitoring system and a control motor, and a control system control device automatically runs.

2. An automatic rubber and plastic mixing operation apparatus as claimed in claim 1, wherein: the elevator uses a steel cable as a lifting medium and comprises a base, a rack and a lifting hopper, the rack is of a forward-probing structure formed by bending the upper end forwards and consists of two symmetrical side edges, the bottom of the rack is fixed on the base, the lifting hopper is of a lifting structure, a hopper opening respectively uses the middle of the back surface of the rack, the lower surface of a transmission belt and an open-milling hopper of an automatic open mill as a starting point and a finishing point and is arranged in the middle of the rack, and the lifting hopper slides up and down along groove type rails on the two side edges in the rack by pulleys arranged on the two side edges outside the lifting hopper.

3. An automatic rubber and plastic mixing operation apparatus as claimed in claim 1, wherein: the double-cone screw rod plasticizing extruder comprises a plasticizing hopper, a double-cone bin body, a die head and a double-cone screw rod, wherein the plasticizing hopper is connected to the upper side of the double-cone bin body, the die head is of an open-close type structure, the rear end of the die head is connected to the front edge of the outer side of the double-cone bin body, a transverse strip-shaped discharge hole is formed in the middle of the front edge of the die head, and the rear end of the double-cone screw rod is located in the double-cone bin body and the front end of the double-cone screw rod is located in the die head.

4. An automatic rubber and plastic mixing operation apparatus as claimed in claim 1, wherein: the control system comprises a controller, a control motor, a control panel and a monitoring system, wherein the controller is a control center consisting of intelligent elements taking a PLC (programmable logic controller) as a main control module and is arranged in a control cabinet, the control motor is respectively arranged at a mechanical arm and a roller spacing regulator, the control panel is of a liquid crystal touch screen structure, and parameters for controlling and running are input and displayed on the control panel, the monitoring system comprises flow monitoring and temperature monitoring, the monitoring system is distributed at each monitoring point of the whole operation device, and the controller controls the motor and the whole operation device to automatically run according to a pre-designed program and monitoring information instructions of the monitoring system.