阅读说明：本技术 一种挤出压延机组挤出机与压延机的变频马达控制系统 (Variable frequency motor control system of extruder and calender of extrusion calender unit ) 是由 叶锡洪 于 2020-12-02 设计创作，主要内容包括：本发明公开了一种挤出压延机组挤出机与压延机的变频马达控制系统,包括左机箱,左机箱一侧分别通过螺栓与控制面板固定连接,左机箱下端内侧分别通过螺栓与连接杆一端固定连接,连接杆另一端通过螺栓与右机箱固定连接,左机箱和右机箱上端分别与横梁锡焊连接,右机箱内壁下表面通过螺栓与主调节装置固定连接。本发明PLC控制模块实现当改变压延机组模块的速度时挤出机的速度会自动跟着增速或减速,达到挤出与压延的速度自动匹配,并能满足其压延机的供胶要求,使压延机辊轴能同时进行加、减速度,提高了产品的质量,网络模块提高了各模块运行的稳定性和可靠性,方便集中管理,操作简单,效率高。(The invention discloses a variable frequency motor control system of an extruder and a calender of an extrusion calender unit, which comprises a left case, wherein one side of the left case is fixedly connected with a control panel through bolts, the inner side of the lower end of the left case is fixedly connected with one end of a connecting rod through bolts, the other end of the connecting rod is fixedly connected with a right case through bolts, the upper ends of the left case and the right case are respectively connected with a cross beam in a soldering mode, and the lower surface of the inner wall of the right case is fixedly connected with a main adjusting device through bolts. The PLC control module realizes that the speed of the extruder can be automatically accelerated or decelerated along with the speed increase when the speed of the calender group module is changed, so that the speed of extrusion and calendering is automatically matched, the glue supply requirement of a calender can be met, the speed increase and deceleration of a roller shaft of the calender can be simultaneously carried out, the product quality is improved, the stability and the reliability of the operation of each module are improved by the network module, the centralized management is convenient, the operation is simple, and the efficiency is high.)

1. The utility model provides an extrude calender unit extruder, includes left quick-witted case (1), its characterized in that: one side of the left case (1) is fixedly connected with the control panel (2) through bolts respectively, the inner side of the lower end of the left case (1) is fixedly connected with one end of a connecting rod (3) through bolts respectively, the other end of the connecting rod (3) is fixedly connected with the right case (4) through bolts, the upper ends of the left case (1) and the right case (4) are connected with a cross beam (5) through tin soldering respectively, the inner wall of the left case (1) is fixedly connected with a servo motor (6) through bolts respectively, a water tank (7) is placed on the lower surface of the inner wall of the left case (1), the upper end of the water tank (7) is fixedly connected with an air outlet pipe (8), and the lower surface of the inner wall of the right case (4;

the inner sides of the left case (1) and the right case (4) are respectively rotatably connected with a first roller shaft (11), a second roller shaft (12), a third roller shaft (13), a fourth roller shaft (14) and a fifth roller shaft (15) through bearings (10), one sides of the first roller shaft (11), the second roller shaft (12), the third roller shaft (13), the fourth roller shaft (14) and the fifth roller shaft (15) are respectively provided with a slave adjusting device (16), one side of the slave adjusting device (16) is provided with an adjusting rod (17), and the adjusting rod (17) is connected with the master adjusting device (9) in a nested manner;

the main adjusting device (9) comprises a first motor box (901), a first motor (902) and a threaded column (903), the auxiliary adjusting device (16) is composed of a second motor box (1601), a second adjusting seat (1602) and a second motor (1603), the inside of the water tank (7) is fixedly connected with a heating block (701) and a liquid level sensor (702) through bolts respectively, and a temperature sensor (703) is sleeved on an air outlet pipe (8).

2. An extrusion calender set extruder as defined in claim 1, wherein: the control panel (2) is provided with a display screen, an indicator light and a control key respectively, and the lower end of the control panel (2) is provided with a frequency modulation knob.

3. An extrusion calender set extruder as defined in claim 1, wherein: the servo motor (6) is electrically connected with the main adjusting device (9), the water tank (7) and the slave adjusting device (16) through wires respectively, the connecting rod (3) is arranged to be a hollow cylinder with openings at two ends respectively, and the wires are fixed inside the connecting rod (3).

4. An extrusion calender set extruder as defined in claim 1, wherein: the lower surface of the inner wall of the first motor box (901) is fixedly connected with a first motor (902) through bolts, a motor shaft in the first motor (902) penetrates through the first motor box (901) and is fixedly connected with a threaded column (903), and a limiting block is arranged at the upper end of the threaded column (903).

5. An extrusion calender set extruder as defined in claim 1, wherein: the second motor (1603) is fixed in the second motor box (1601) through bolts, a motor shaft of the second motor (1603) is fixedly connected with the second adjusting seat (1602), and one side of the second adjusting seat (1602) is fixedly connected with the first roller shaft (11).

6. An extrusion calender set extruder as defined in claim 1, wherein: one end of the adjusting rod (17) is provided with an opening matched with the threaded column (903), the inner side of the opening is provided with a threaded portion, and the adjusting rod (17) is movably connected with the threaded column (903) through the threaded portion.

7. A variable frequency motor control system of a calender according to claim 1, comprising a PLC control module (18), characterized in that: the PLC control module (18) is connected with the network module (19) through signal transmission, the network module (19) is respectively connected with the frequency conversion module (20), the adjusting module (21) and the temperature control module (22) through signal transmission, and the frequency conversion module (20), the adjusting module (21) and the temperature control module (22) are respectively electrically connected with the calender unit module (23) through leads.

8. The variable frequency motor control system of a calender according to claim 7, characterized in that: the frequency conversion modules (20) are respectively arranged into frequency converters, and the frequency converters are respectively electrically connected with the first roll shaft (11), the second roll shaft (12), the third roll shaft (13), the fourth roll shaft (14) and the fifth roll shaft (15).

Technical Field

The invention relates to the technical field of calenders, in particular to a variable frequency motor control system of an extruder and a calender of an extrusion calender set.

Background

The calender is a machine which can press and spread rubber or plastics into a film with a certain thickness and a certain surface shape at a certain temperature and can carry out rubberizing on fiber curtain canvas or steel cord fabric, and generally comprises two or more rollers which are arranged according to a certain form, and the calender can be divided into two-roller calenders, three-roller calenders, four-roller calenders, five-roller calenders and the like according to the number of the rollers. The PVC main component is polyvinyl chloride, for yellowish semitransparent form, it is glossy, be one kind and use a chlorine atom to replace the macromolecular material of a hydrogen atom in the polyethylene, current five-roller calender is when the operation, the width of calendering product is adjusted according to the operation requirement that can not be fine, great reduction the efficiency of work, can't adjust the thickness of production PVC membrane according to the production demand, the temperature of calender roll can't be controlled in the production process simultaneously, can make the material lead to the too high viscosity of material melting point because of the too high or low temperature leads to in the calendering process, or the melting point leads to the viscosity reduction inadequately, can't calendering molding, to these defects, design a variable frequency motor control system who extrudes calender unit extruder and calender, it is very necessary.

Disclosure of Invention

The invention aims to provide a variable frequency motor control system of an extruder and a calender of an extrusion calender set, a PLC control module realizes that the speed of the extruder can be automatically accelerated or decelerated along with the speed of a calender set module when the speed of the calender set module is changed, the automatic matching of the extruding speed and the calendering speed is realized, the glue supply requirement of the calender can be met, the speed of a roller shaft of the calender can be simultaneously increased and reduced, the product quality is improved, the running stability and reliability of each module are improved by a network module, the centralized management is convenient, the operation is simple, the efficiency is high, and the problems in the prior art can be solved.

In order to achieve the purpose, the invention provides the following technical scheme:

an extruder of an extrusion calender unit comprises a left case, wherein one side of the left case is fixedly connected with a control panel through bolts respectively, the inner side of the lower end of the left case is fixedly connected with one end of a connecting rod through bolts respectively, the other end of the connecting rod is fixedly connected with a right case through bolts, the upper ends of the left case and the right case are respectively soldered and connected with a cross beam, the inner wall of the left case is fixedly connected with a servo motor through bolts respectively, a water tank is placed on the lower surface of the inner wall of the left case, the upper end of the water tank is fixedly connected with an air outlet pipe, and the lower surface of the inner;

the inner sides of the left case and the right case are respectively in rotating connection with a first roll shaft, a second roll shaft, a third roll shaft, a fourth roll shaft and a fifth roll shaft through bearings, a slave adjusting device is respectively arranged on one side of the first roll shaft, the second roll shaft, the third roll shaft, the fourth roll shaft and one side of the fifth roll shaft, a connecting rod is arranged on one side of the slave adjusting device, and the connecting rod is in nested connection with the master adjusting device;

the main adjusting device comprises a first motor box, a first motor and a threaded column, the auxiliary adjusting device comprises a second motor box, a second adjusting seat and a second motor, the inside of the water tank is fixedly connected with the heating block and the liquid level sensor through bolts, and the air outlet pipe is sleeved with a temperature sensor.

Preferably, the control panel is provided with a display screen, an indicator light and a control key respectively, and the lower end of the control panel is provided with a frequency modulation knob.

Preferably, the servo motor is electrically connected with the main adjusting device, the water tank and the slave adjusting device through wires respectively, the connecting rod is a hollow cylinder with openings at two ends, and the wires are fixed inside the connecting rod.

Preferably, first motor case inner wall lower surface passes through bolt and first motor fixed connection, and the motor shaft runs through first motor case and screw thread post fixed connection in the first motor, and the screw thread post upper end is provided with the stopper.

Preferably, the second motor is fixed in the second motor box through a bolt, a motor shaft of the second motor is fixedly connected with the second adjusting seat, and one side of the second adjusting seat is fixedly connected with the first roller shaft.

Preferably, an opening matched with the threaded column is formed in one end of the connecting rod, a threaded portion is arranged on the inner side of the opening, and the connecting rod is movably connected with the threaded column through the threaded portion.

The invention provides another technical scheme, and the variable frequency motor control system of the calender comprises a PLC control module, wherein the PLC control module is connected with a network module through signal transmission, the network module is respectively connected with a variable frequency module, an adjusting module and a temperature control module through signal transmission, and the variable frequency module, the adjusting module and the temperature control module are respectively and electrically connected with a calender set module through leads.

Preferably, the frequency conversion modules are respectively provided with frequency converters, and the frequency converters are respectively electrically connected with the first roll shaft, the second roll shaft, the third roll shaft, the fourth roll shaft and the fifth roll shaft.

Compared with the prior art, the invention has the following beneficial effects:

1. this extrude inverter motor control system of calender unit extruder and calender, simple structure need not artifical manually operation, and it is high to remove the precision, adjusts simply, and every roller is provided with alone from adjusting device, can adjust the position of every roller simultaneously, and the better width of calendering the product according to the operation requirement adjustment improves the work efficiency of this calender.

2. This extrude variable frequency motor control system of calender unit extruder and calender, heating block and temperature sensor are convenient for control the temperature of steam after the heating, are convenient for guarantee the material melting point when steam gets into behind the roller calendering, are applicable to the calendering molding of the material that need not melt point, enlarge application scope, improve product quality.

3. This extrude inverter motor control system of calender unit extruder and calender, PLC control module realizes that the speed of extruder can follow acceleration rate or speed reduction automatically when changing the speed of calender unit module, reach and extrude and the automatic matching of speed of calendering, and can satisfy the confession of its calender and glue the requirement, make the calender roller can add simultaneously, deceleration, the quality of product has been improved, network module has improved the stability and the reliability of each module operation, convenient centralized management, and easy operation, high efficiency.

Drawings

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

FIG. 2 is a front cross-sectional view of the overall construction of the present invention;

FIG. 3 is a structural cross-sectional view of the slave adjustment mechanism of the present invention;

FIG. 4 is a side cross-sectional view of a portion of the structure of the present invention;

FIG. 5 is a sectional view of the structure of the water tank of the present invention;

fig. 6 is a schematic diagram of the connection of the control system of the present invention.

In the figure: 1. a left chassis; 2. a control panel; 3. a connecting rod; 4. a right chassis; 5. a cross beam; 6. a servo motor; 7. a water tank; 701. a heating block; 702. a liquid level sensor; 703. a temperature sensor; 8. an air outlet pipe; 9. a primary adjustment device; 901. a first motor case; 902. a first motor; 903. a threaded post; 10. a bearing; 11. a first roller shaft; 12. a second roller shaft; 13. a third roller shaft; 14. a fourth roller shaft; 15. a fifth roll shaft; 16. a slave adjusting device; 1601. a second motor case; 1602. a second adjusting seat; 1603. a second motor; 17. adjusting a rod; 18. a PLC control module; 19. a network module; 20. a frequency conversion module; 21. an adjustment module; 22. a temperature control module; 23. a calender group module.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an extruder for extrusion calender set comprises a left casing 1, one side of the left casing 1 is fixedly connected with a control panel 2 through bolts, the control panel 2 is provided with a display screen, an indicator light and a control button, the lower end of the control panel 2 is provided with a frequency-adjusting knob, the control is convenient, the operation is simple, the practicability is strong, the inner side of the lower end of the left casing 1 is fixedly connected with one end of a connecting rod 3 through bolts, the other end of the connecting rod 3 is fixedly connected with a right casing 4 through bolts, the upper ends of the left casing 1 and the right casing 4 are respectively soldered with a cross beam 5, the inner wall of the left casing 1 is fixedly connected with a servo motor 6 through bolts, the servo motor 6 is respectively electrically connected with a main adjusting device 9, a water tank 7 and a slave adjusting device 16 through wires, the connecting rod 3 is provided with hollow cylinders with openings at two, the integral structure is compact, a water tank 7 is placed on the lower surface of the inner wall of the left case 1, the upper end of the water tank 7 is fixedly connected with an air outlet pipe 8, the lower surface of the inner wall of the right case 4 is fixedly connected with a main adjusting device 9 through bolts, the inner sides of the left case 1 and the right case 4 are respectively connected with a first roller shaft 11, a second roller shaft 12, a third roller shaft 13, a fourth roller shaft 14 and a fifth roller shaft 15 in a rotating mode through bearings 10, a slave adjusting device 16 is arranged on one side of each of the first roller shaft 11, the second roller shaft 12, the third roller shaft 13, the fourth roller shaft 14 and the fifth roller shaft 15, an adjusting rod 17 is arranged on one side of the slave adjusting device 16 and is connected with the main adjusting device 9 in a nesting mode, an opening matched with a threaded column 903 is arranged at one end of the adjusting rod 17, a threaded portion is arranged on the inner side of, The lower surface of the inner wall of the first motor box 901 is fixedly connected with the first motor 902 through bolts, a motor shaft in the first motor 902 penetrates through the first motor box 901 and is fixedly connected with the threaded column 903, the upper end of the threaded column 903 is provided with a limiting block, the heights of five groups of roller shafts are adjusted through the main adjusting device 9, the structure is simple, manual operation is not needed, the moving precision is high, the adjustment is simple, the secondary adjusting device 16 is composed of a second motor box 1601, a second adjusting seat 1602 and a second motor 1603, the second motor 1603 is fixed in the second motor box 1601 through bolts, the motor shaft of the second motor 1603 is fixedly connected with the second adjusting seat 1602, one side of the second adjusting seat 1602 is fixedly connected with the first roller shaft 11, each roller shaft is independently provided with the secondary adjusting device 16, the position of each roller shaft can be adjusted simultaneously, and the width of a rolled product can be adjusted better according to operation requirements, improve the work efficiency of this calender, pass through bolt and heating block 701 and level sensor 702 fixed connection in the water tank 7 respectively, the cover has temperature sensor 703 on the outlet duct 8, be convenient for control the temperature of steam after the heating, be convenient for guarantee that steam gets into first roller 11, second roller 12, third roller 13, the material melting point of press delay behind fourth roller 14 and the fifth roller 15, be applicable to the calendering molding of the material that need not melt point, expand application scope, improve product quality.

Referring to fig. 6, a variable frequency motor control system of a calender comprises a PLC control module 18, the PLC control module 18 is connected to a network module 19 through signal transmission, the network module 19 is respectively connected to a variable frequency module 20, an adjusting module 21 and a temperature control module 22 through signal transmission, the variable frequency module 20, the adjusting module 21 and the temperature control module 22 are respectively electrically connected to a calender group module 23 through wires, the variable frequency module 20 is respectively configured as a frequency converter, the frequency converters are respectively electrically connected to a first roller shaft 11, a second roller shaft 12, a third roller shaft 13, a fourth roller shaft 14 and a fifth roller shaft 15, the PLC control module 18 realizes that when the speed of the calender group module 23 is changed, the speed of the extruder is automatically increased or decreased along with the speed, the speed of extrusion and calendering is automatically matched, the requirement of the calender on glue supply can be met, the product quality is improved, and the requirement of process variation can be met, the variable frequency speed regulation of the variable frequency module 20 is controlled by the PLC control module 18, so that the roll shaft of the calender can simultaneously perform acceleration and deceleration, the product quality is improved, the network module 19 can monitor the transmission speed and the running state of the motor on line, the running stability and reliability of each module are improved, the running conditions of a plurality of modules can be simultaneously controlled by the PLC control module 18, the centralized management is convenient, the operation is simple, and the efficiency is high.

In conclusion, this frequency conversion motor control system of extrusion calender unit extruder and calender, simple structure need not artifical manually operation, it is high to move the precision, it is simple to adjust, every roller is provided with independently from adjusting device 16, can adjust the position of every roller simultaneously, the better width that adjusts the calendering product according to the operation requirement, improve the work efficiency of this calender, heating block 701 and temperature sensor 703 are convenient for control the temperature of steam after the heating, be convenient for guarantee the material fusing point when steam gets into the roller when rolling, be applicable to the calendering molding of material without fusing point, expand application scope, improve product quality, PLC control module 18 realizes that the speed of extruder can follow acceleration rate or slow down automatically when changing the speed of calender unit module 23, reach the speed automatic matching of extrusion and calendering, and can satisfy the confession of its calender and glue the requirement, make the calender roller can add simultaneously, The deceleration improves the quality of products, the network module 19 improves the stability and reliability of the operation of each module, the centralized management is convenient, the operation is simple, and the efficiency is high.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.