CN209504626U - Twin-screw extruder pelletizer comprehensive detection system - Google Patents

Abstract

The utility model provides a kind of twin-screw extruder pelletizer comprehensive detection system; dustproof construction is provided with outside the 3D Level measurement device that feed bin is filled; the track detection mechanism that can be moved back and forth is provided at rotation axis; it is provided with displacement detecting mechanism on gearbox, is provided with sound-insulating structure on the outside of gearbox and motor.In the utility model, the accuracy of feed bin level of filler material detection is improved using dustproof construction, the stability of rotation axis and screw rod operation is improved using track detection mechanism, the safety of gearbox operation is improved using displacement detecting mechanism, the actual bodily harm to operator is reduced using sound-insulating structure, the service life of vibrating sensor is improved using water-cooled jacket, utilize shell, snakelike bending tube and interior heat exchanger tube improve the heat exchange efficiency of lubricating oil, pass through the mutual cooperation of above-mentioned each structure, make the safer of the existing operation compared with the twin-screw extruder pelletizer of old type tube, it is more stable.

Description

Twin-screw extruder pelletizer comprehensive detection system

Technical field

The utility model belongs to Squeezinggranulator structure improved technologyField, especially a kind of twin-screw extruder pelletizer is comprehensive Close detection system.

Background technique

Twin-screw extruder pelletizer is the core equipment of ethylene production downstream process, and structure is: including pelletizing section 6, Melting pump 7, mixing section 10, feed zone 11, feed bin 15, gearbox 19, motor 20, cooling unit 22 and control unit 47, electricity The output shaft of machine is connected by the input terminal of shaft coupling and gearbox, and two output ends 121 of gearbox pass through two rotation axis 16 connect with two screw rods of mixing section respectively, and the mixed material that feed bin is fallen enters mixing section after feed zone, and high Temperature is melted, and the material of melting enters pelletizing section by Melting pump, under the driving of the motor 4 of pelletizing section, of pelletizing section generation Grain is transported by supply unit, obtains finished particle after drying section, screening section processing, cooling unit is mainly used for becoming The cooling of lubricating oil in fast case, motor, side are additionally provided with filter element 33 and detection unit 32, are additionally provided with multiple use therebetween In the beam column 35 of support, control unit is responsible for receiving various status datas and exports control instruction.

At present.The existing twin-screw extruder pelletizer model of company is older, finds problems in actual production, specifically It is:

1. motor, gearbox will appear the phenomenon that vibration at work, and the high speed rotation for the rotor being driven by motor The phenomenon that cylinder being made to vibrate, with the increase for using the time, lasting vibration will lead to motor, gearbox working condition Variation, each segmentation in cylinder and the junction between each section also will receive the influence of vibration, in order to detect vibration The parameters such as intensity will be installed multiple vibrating sensors at motor, gearbox and cylinder, but due to motor, gearbox and cylinder The temperature at place is higher, and especially temperature is higher at the cylinder of blanking rear end, and existing vibrating sensor is for a long time in the condition of high temperature Lower work, has an impact to output data precision and service life, is unfavorable for the safe operation of equipment.

2. being equipped with 3D Level measurement device on feed bin, the surface shape of the material in discharging bin can be detected well And the states such as volume, quality, but find that the dust in feed bin can be accumulated after being used for a long time and be adhered to 3D Level measurement device Transmitting terminal 67 bottom surface on, still have certain influence to the precision of device, and it directly passes through the flanges that middle part 57 is filled It is mounted at the installation position 12 of feed bin upper end, there is also defects for installation sealing structure.

3. Chinese patent CN204773519U discloses a kind of twin-screw extruder pelletizer detection device, at screw rod end Portion is equipped with the displacement detector for detecting the gentle vertical displacement amount of screw stem water, constantly detects screw rod using sensor Working condition judges whether collision, friction occur.In above-mentioned patent, since sensor is fixed on protective shell inner wall, measurement Position it is relatively fixed, but the length of screw rod is longer, so the case where alarm could occur when serious deviation occurs in screw rod, Can not detect the skew problem at screw rod both ends, in addition from physical fault the case where it is found that rotation axis due to long-term high-speed rotation, The problems such as there is also displacements, deviation, but above scheme can not solve this problem.

4. using the water-cooled jacket of horizontal long barrel shape in cooling unit, i.e. oil pipe is passed through out of water-cooled jacket, and cold water passes through When water-cooled jacket, heat exchange is carried out with the lubricating oil in oil pipe, is filtered again after so that lubricating oil is reduced to suitable temperature, then It returns in gearbox, due to the limited length of water-cooled jacket, the interior cold water accommodated is limited, can only be by constantly flowing come sufficiently Reduce oil pipe in lubricating oil temperature, cause to waste the energy in water pump long-term work；When occurring excessive water in water-cooled jacket When dirty, the water capacity in water-cooled jacket can be further decreased and the flow velocity of cold water is impacted, cooling effect continues to decline, no Conducive to the cooling of lubricating oil.

5. gearbox and motor connected to it, pelletizing section motor are in the state of high-speed rotation, each power of motor compared with Greatly, transmission internal is gear shift, so the sound of motor rotation, the sound of gear rotation, rotation axis rotate The meeting such as vibration of sound and generation four is scattered in production environment, and the noise on pelletizer periphery is more than 90 decibels, in motor, is become Even more than 100 decibels when near fast case or speed changer, and operator needs regularly to carry out the patrol at scene, observes machine Working condition and cooling unit at various meter status, since pelletizer wire body is longer, walk about every time, resident observation, Instrumental observation etc. needs the time of handy a few minutes, and huge noise leads to the discomfort of operator, in addition, in order to meet safety The needs of production, operator need the protective gears such as safe wearing cap, goggles in production scene, can not wear noise in this way Protective gear, health and working efficiency to operator cause very big influence.

6. transmission internal is provided with multi-stage gear, by the engagement of different gears, uniaxial drive, twin shaft output are realized Purpose, but vibration etc. for generating of the vibration that is generated due to motor high-speed rotation, gearbox itself can the operation to gearbox produce The problems such as raw influence, rotation axis when twin shaft exports once deviates, the operation stability of subsequent screw rod certainly will be influenced, it is existing In-situ check and test method be experience by patrol officer, passed through by it and judgement for carrying out gearbox operating condition such as see, listen, touch.

In conclusion existing twin-screw extruder pelletizer there are the problem of it is very unfavorable to keeping the safety in production, and by special The retrieval of the open source literatures such as benefit does not find device, equipment or system that integrated treatment is carried out to the above problem.

Utility model content

The purpose of the utility model is to overcome the deficiencies in the prior art, the 3D Level measurement device filled in feed bin is provided Outside is provided with dustproof construction, the track detection mechanism that can be moved back and forth is provided at rotation axis, is provided on gearbox Displacement detecting mechanism, a kind of twin-screw extruder pelletizer comprehensive detection system that sound-insulating structure is provided on the outside of gearbox and motor System.

The technical scheme adopted by the utility model is that:

A kind of twin-screw extruder pelletizer comprehensive detection system, including pelletizing section, Melting pump, mixing section, feed zone, material Storehouse, gearbox, motor, cooling unit and control unit, motor connect one end of gearbox, and gearbox connects feed zone one end Feed bin is arranged in rotation axis, feed zone upper surface, and the feed zone other end is sequentially connected with mixing section, Melting pump and pelletizing section, special Sign is: being provided with dustproof construction outside the 3D Level measurement device that feed bin is filled, being provided at rotation axis back and forth to move Dynamic track detection mechanism, is provided with displacement detecting mechanism on gearbox, and sound insulation knot is provided on the outside of gearbox and motor Structure.

Further more, the dustproof construction is: upper end opening is arranged at the installation position of feed bin upper end and lower end is protruded into feed bin Mounting cylinder, which is embedded in the 3D Level measurement device, the transmitting terminal of the 3D Level measurement device bottom surface and installation The form of cylinder bottom surface setting mutually aligns, and the peace that can be tightly connected with mounting cylinder upper end is provided in 3D Level measurement device outer rim Air inlet is arranged in mounting cylinder upper end in capping, which is pierced by the upper end connection gas source of the sealing cover, under the air inlet End is connected to by the channel in mounting cylinder side wall with the spray head that mounting cylinder side wall bottom surface is arranged, and the gas outlet of the spray head is described in The surface of form.

Further more, the track detection mechanism is: in the setting of the upper surface of feed zone, front end face and rear end face, there are three electronic Push rod, the tache motorice of three electric pushrods is towards gearbox, positioned at the movement of front end face and two electric pushrods of rear end face End is respectively provided with the side current vortex sensor close to ipsilateral rotation axis side, and the tache motorice positioned at the electric pushrod of upper surface is set A bracket is set, the two sides lower end of the bracket is arranged close to the upper current vortex sensor of ipsilateral rotation axis；

It can be during mobile to gearbox direction positioned at the tache motorice of front end face and two electric pushrods of rear end face Or to feed zone direction it is mobile during at the different lateral locations for resting on rotation axis and by side current vortex sensor into Row detection；Electric pushrod positioned at upper surface can be during mobile to gearbox direction or the mistake mobile to feed zone direction It rests in journey at the different upper surface positions of rotation axis and is detected respectively by two upper current vortex sensors.

Further more, the bracket includes cross bar, vertical bar and mounting plate, cross bar is moved by fixing seat and ipsilateral electric pushrod End connection, the both ends of cross bar are separately connected a vertical bar, and each vertical bar lower end installs one to ipsilateral rotation axis upper end respectively The mounting plate extended above face, each mounting plate are located at the position above ipsilateral rotation axis upper surface embedded one and power on whirlpool Flow sensor, the measurement end of each upper current vortex sensor is towards ipsilateral rotation axis upper surface.

Further more, the displacement detecting mechanism is: it is embedded in gearbox upper head plate and fills at least two current vortex sensors, two The measurement end of current vortex sensor protrudes into gearbox and is located at what the outer rim in gearbox was set with respectively close to two output shafts Gear face is driven, one vibrating sensor is installed respectively in the four corners of upper head plate, the side wall in gearbox front-end and back-end Lower section is installed by one vibrating sensor respectively.

Further more, the sound-insulating structure is: in the front end, rear end and two sides of the rotation axis of feed zone, gearbox and motor Sound insulation side plate is provided on ground, four sound insulation side plate upper ends are arranged sound insulation top plate, are provided on sound insulation side plate for observing The observation window of feed zone rotation axis and observation window for observing gearbox and motor, are provided on any one sound insulation side plate Valve, equal retention gap between the feed zone rotation axis, gearbox and motor and sound insulation side plate and sound insulation top plate；

Be provided with sound insulation side plate on the ground of pelletizing section front end, rear end and two sides, four sound insulation side plate upper ends settings every Sound top plate is provided with the observation window for observing pelletizing section on sound insulation side plate, is provided with work on any one sound insulation side plate Door, equal retention gap between the pelletizing section and sound insulation side plate and sound insulation top plate.

Further more, the structure of the sound insulation side plate includes outer plastic-steel board, interior plastic-steel board, acoustical cotton, deadening felt and plasterboard, outside Acoustical cotton is embedded between plastic-steel board and interior plastic-steel board, interior plastic-steel board inner surface attaches deadening felt, and deadening felt inner surface attaches gypsum Plate；

The structure of the sound insulation top plate includes outer plastic-steel board, interior plastic-steel board, acoustical cotton, deadening felt and plasterboard, outer plastic-steel Acoustical cotton is embedded between plate and interior plastic-steel board, interior plastic-steel board inner surface attaches deadening felt, and deadening felt inner surface attaches plasterboard；

The structure of the valve includes outer plastic-steel board, interior plastic-steel board, acoustical cotton, deadening felt and plasterboard, outer plastic-steel board and Acoustical cotton is embedded between interior plastic-steel board, interior plastic-steel board inner surface attaches deadening felt, and deadening felt inner surface attaches plasterboard；

The observation window uses triplex glass structure, is vacuum state between adjacent layer glass.

Further more, the connection plate surface between mixing section and Melting pump is provided at least one vibrating sensor, vibrating Sensor outer rim attaches installation water-cooled jacket, one layer of conduction graphite film is embedded between water-cooled jacket and vibrating sensor, in water-cooled jacket The temperature sensor for detecting vibrating sensor outer rim temperature value is arranged in inner edge, and the water-cooled jacket is made of two arc sleeves, Two arc sleeves are symmetrically fastened on vibrating sensor outer rim and by the fixing bolts in the fixed plate of the two both ends setting It tightens together.

Further more, the outer shape of the shell of the cooling unit is rectangular or rectangle, it is provided on the right side of enclosure bottom Oil inlet is provided with oil outlet on the left of end face on the shell, the snakelike bending that the oil inlet and oil outlet pass through setting in shell Pipe is interconnected, and oil inlet side is provided with water outlet, oil outlet side is provided with water inlet, is embedded in oil outlet side wall One temperature sensor；

One water inlet of connection is in charge of on water inlet side wall, and a water outlet is connected on water outlet side wall and is in charge of, the water inlet point Pipe connection is sleeved on the upper end for the interior heat exchanger tube being arranged in snakelike bending tube, and company is in charge of in the lower end of the interior heat exchanger tube and the water outlet It is logical, setting is spaced between the interior heat exchanger tube outer rim and snakelike bending tube inner edge.

Further more, the end of adjacent two oil pipes of snakelike bending tube vertical direction is connected to by elbow cover, the elbow cover Top and bottom are connect with two oil pipes respectively, are closed at the elbow cover opening between two oil pipes by baffle；

Elbow cover upper surface and bottom surface are semicircle corresponding with oil pipe top and bottom, are located on elbow cover The upper surface arc table made with baffle top and bottom respectively of the bottom surface of the oil pipe at end and the oil pipe positioned at elbow cover lower end Face fits；

The oil pipe is embedded in the straight pipe of interior heat exchanger tube, and the elbow cover is embedded in the arc linkage section of interior heat exchanger tube.

The advantages and positive effects of the utility model are as follows:

1. in this system, sealing cover and Hermetical connecting structure thereon ensure that extraneous pollutant will not influence transmitting The normal work at end, the air inlet one end being arranged on mounting cylinder connect gas source by quick disconnecting joint, tracheae, and the other end passes through peace The spray head of channel connection mounting cylinder side wall bottom surface setting in fitted tube, the high pressure gas of gas source output regularly pass through going out for spray head Port sprays, and a small amount of dust that viewing surface adheres to is blown away, and guarantees the detection accuracy of 3D Level measurement device, and improves The overall tightness of 3D Level measurement device.

2. in this system, two kinds of current vortex sensors can cooperate, the offset variable of detection rotation axis constantly, the inspection It surveys result to be handled by control unit again, can be analyzed, stored and be shown, pass through preset alarm numerical value, control Unit can alarm automatically after receiving testing result, and the motion state diagram of rotation axis can also be drawn automatically by control unit And testing result is shown simultaneously, monitoring personnel can get information about whether rotation axis abnormality occurs, and break down When timely respond to be safeguarded, be conducive to the trouble free service of equipment.

3. in this system, the output end of each current vortex sensor and the output end of vibrating sensor at gearbox connect Connect control unit, size variation of the current vortex sensor mainly for detection of driving gear face and the gap between it, vibration Vibration Condition of the sensor mainly for detection of gearbox everywhere, after control unit receives gap delta data and vibration data It is analyzed and determined, is compared with preset numerical value, when needing to alarm, control unit is actively to acoustooptic cell, host computer Alert is cooperated by above structure, realizes record and the analysis of the motion state of driving gear, thus, it is possible to In advance the problems such as discovery output axle offset, the stable operation of gearbox ensure that.

4. in this system, side and top are got up by sound insulation side plate and the isolation of sound insulation top plate at gearbox and motor, cut Grain section side and top are got up also by sound insulation side plate and the isolation of sound insulation top plate, and noise passes through by the plasterboard outside interior cause, sound insulation The absorption and isolation of felt, plastic-steel board and acoustical cotton are passed to extraneous noise and have been greatly reduced, make operator's hearing loss The reduction of dangerous, and operator can carry out the observation and meter reading of equipment working state by observation window It obtains, does not influence normal inspection trips work.

5. in this system, vibrating sensor outer rim attaches conduction graphite film, conduction graphite film outer rim attaches water-cooled jacket, water cooling It covers inner edge and temperature sensor is set, temperature sensor constantly detects the temperature value of vibrating sensor outer rim and is transported to control module Interior, control unit controls opening or closing for automatically controlled valve group and water pump according to predetermined temperature threshold value, thus forms Feedback controling mode can be effectively reduced the temperature of vibrating sensor by the controlled circulation of water, guarantee its normal work, mention The high safety of equipment operation.

6. in this system, the preferred rectangle of the shell of cooling unit, hot lubricating oil in snakelike bending tube with water-cooled jacket When interior cold water exchanges heat, also exchanges heat simultaneously with the cold water flowed in interior heat exchanger tube, oil outlet is provided with temperature sensing Device detects the lubricating oil temperature of oil outlet using it, and when temperature is more than the alarm numerical value of setting, control unit drives automatically Water pump improves the flow velocity of cold water, meets the needs of fast cooling, passes through heat exchange and temperature sensing while outside, inside The detection of device keeps heat exchange efficiency higher, and water pump does not have to often operate at full capacity, and reduces the consumption of the energy, is sufficiently heated Water can be also used for the use of other process sections in production line.

7. in the utility model, the accuracy of feed bin level of filler material detection being improved using dustproof construction, utilizes track detection Mechanism improves the stability of rotation axis and screw rod operation, and the safety of gearbox operation is improved using displacement detecting mechanism, utilizes Sound-insulating structure reduces actual bodily harm to operator, and the service life of vibrating sensor is improved using water-cooled jacket, using shell, Snakelike bending tube and interior heat exchanger tube improve the heat exchange efficiency of lubricating oil, by the mutual cooperation of above-mentioned each structure, make it is existing compared with The operation of the twin-screw extruder pelletizer of old type tube it is safer, more stable.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the schematic diagram for removing sound-insulating structure of Fig. 1；

Fig. 3 is the portion the I enlarged drawing of Fig. 2；

Fig. 4 is the partial sectional view of Fig. 2；

Fig. 5 is the 3D Level measurement device enlarged diagram at installation position；

Fig. 6 is the portion the II enlarged drawing of Fig. 5；

Fig. 7 is the portion the III enlarged drawing of Fig. 5；

Fig. 8 is the partial enlarged view of electric pushrod and rotation axis cooperation；

Fig. 9 is the top view of Fig. 8；

Figure 10 is the portion the IV enlarged drawing of Fig. 8；

Figure 11 is the amplification sectional view of cooling unit shell；

Figure 12 is the portion the V enlarged drawing of Figure 11；

Figure 13 is the portion the VI enlarged drawing of Figure 11；

Figure 14 is the right view of Figure 12；

Figure 15 is the sectional view of Figure 13；

Figure 16 is the right view of Figure 15；

Figure 17 is the schematic diagram of baffle；

Figure 18 is the A direction view of Fig. 1；

Figure 19 is the VII enlarged drawing of Figure 18；

Figure 20 is the B direction view of Fig. 1；

Figure 21 is the sectional view of sound insulation side plate；

Figure 22 is the sectional view of observation window；

Figure 23 is gearbox schematic diagram；

Figure 24 is the portion the VIII enlarged drawing of Figure 23.

Specific embodiment

Below with reference to embodiment, the present invention will be further described, and it is not limited that following embodiments, which are illustrative, , the protection scope of the utility model cannot be limited with following embodiments.

A kind of twin-screw extruder pelletizer comprehensive detection system, as shown in Fig. 1~24, including it is pelletizing section 6, Melting pump 7, mixed Section 10, feed zone 11, feed bin 15, gearbox 19, motor 20, cooling unit 22 and control unit 47 are refined, motor passes through shaft coupling One end of 31 connection gearboxes, gearbox connect the rotation axis 16 of feed zone one end, and feed zone upper surface and feed bin lower end 34 connect It connects, the feed zone other end is sequentially connected with mixing section, Melting pump and pelletizing section, and the innovation of the utility model is: in feed bin institute It is provided with dustproof construction outside the 3D Level measurement device 13 of dress, the track detection machine that can be moved back and forth is provided at rotation axis Structure is provided with displacement detecting mechanism on gearbox, is provided with sound-insulating structure on the outside of gearbox and motor.

In the present embodiment, above-mentioned dustproof construction is as shown in Fig. 5,6,7: upper end being arranged at the installation position 12 of feed bin upper end 14 The mounting cylinder 66 in feed bin is protruded into opening and lower end, and mounting cylinder is solid by the feed bin panel 65 at the flange 57 of outer rim and installation position Fixed connection, can be embedded in 3D Level measurement device between flange and panel with embedding sealing pad or sealing ring, the mounting cylinder, should The transmitting terminal 67 of 3D Level measurement device bottom surface and the form 70 of mounting cylinder bottom surface setting mutually align, in 3D Level measurement device Outer rim is provided with the installation lid 61 that can be tightly connected with mounting cylinder upper end.

Air inlet 58 is set in mounting cylinder upper end, the upper end that air inlet Self-sealed lid opening 76 is pierced by sealing cover passes through Quick disconnecting joint 74, tracheae, valve etc. connect high-pressure air source, which passes through channel 77 and mounting cylinder in mounting cylinder side wall The spray head 72 that side wall bottom surface 73 is arranged is connected to, and the gas outlet 71 of the spray head is towards the surface of form.

In order to which further sealing cover and mounting cylinder link together, air inlet upper end outer rim has external screw thread and engagement It is set with a locking nut 75, which is crimped together with sealing cover upper surface, on locking nut and sealing cover It can be with embedding sealing pad or sealing ring between end face.

Air inlet can be set multiple, matched spray heads also and same quantity can be set, such as: air inlet can be with Setting 1~4, and spray head is similarly arranged 1~4, no matter quantity, the gas outlet of each spray head is towards form table Face.Preferable scheme is that air inlet and spray head are two, the mutual angle of two spray heads at mounting cylinder side wall bottom surface It is 60~120 degree, the high-speed flow that two such spray head sprays can preferably blow away the dust of viewing surface adherency.

The structure of sealing cover is: sealing cover is sleeved on 55 lower end of gauge outfit of 60 upper surface of shell of 3D Level measurement device 56 outer rims, are provided with two extended downwardly the retaining ring 64 coaxial with sealing cover at sealing cover bottom surface, between two retaining rings The upper end 63 of gap location insertion mounting cylinder.Preferred scheme is: embedded with the reeded sealing ring of tool between two retaining rings 62, which can select corrosion resistant rubber material, be embedded in the upper end of mounting cylinder in groove.

Fixing bolt 59 is provided on sealing cover, the shell upper surface of the fixing bolt lower end and 3D Level measurement device It links together and sealing cover and the shell links together.

Above-mentioned form selects the glass material of high light transmission, the outer ledge with a thickness of 2~10 millimeters, in form upper surface Place is adhesively fixed circle 69, and outer rim and the inner edge at mounting cylinder lower end 68 of the retainer plate bond together, and retainer plate can be selected Plastic material can be used external force and remove retainer plate and form when the situation that form is obscured by abrasion or other reasons appearance Fall, then is bonded new form again.

The gauge outfit of 3D Level measurement device connects the host computer of control centre by cable or wirelessly, by transmitting terminal Emit pulse to material, then receive the echo of feed bin, material etc., then be sampled and analyzed by host computer, forms one The three-dimensional figure of a surface of material is shown in the various states in feed bin intuitively in host computer screen.

The high pressure gas in the storage cylinder of the compressor of production scene can be used in high-pressure air source, and electrically-controlled valve can be used in valve, Seamless steel pipe is preferred in tracheae.

Above-mentioned track detection mechanism is as shown in Figure 8,9, 10: being provided in the upper surface of feed zone, front end face and rear end face Three electric pushrods 26,27, the tache motorice 28 of three electric pushrods is towards gearbox, positioned at two of front end face and rear end face The tache motorice of electric pushrod 27 is respectively provided with the side current vortex sensor 86 close to ipsilateral rotation axis side, positioned at upper surface A bracket is arranged in the tache motorice of electric pushrod 26, and the two sides lower end of the bracket is arranged close to powering on for ipsilateral rotation axis upper surface The output end of eddy current sensor 87, upper current vortex sensor and side current vortex sensor is all connected with control unit.

It can be during mobile to gearbox direction positioned at the tache motorice of front end face and two electric pushrods of rear end face Or to feed zone direction it is mobile during at the different lateral locations for resting on rotation axis and by side current vortex sensor into Row detection.Electric pushrod positioned at upper surface can be during mobile to gearbox direction or the mistake mobile to feed zone direction It rests in journey at the different upper surface positions of rotation axis and is detected respectively by two upper current vortex sensors.

The movement of three electric pushrods is controlled by control unit, and electric pushrod, which has, retracts and stretch out two limit The detection sensor of position, or with the rotary encoder for detecting its driving motor 80, in short, electric pushrod can export its contracting Return or stretch out the status data of limit position.Control unit output order makes the tache motorice of electric pushrod constantly retract or stretch out, And the end of the end in the close gearbox of output shaft, middle part or close feed zone stops, and the moment of stop, is passed by current vortex Sensor measures, it is thus achieved that the detection that output shaft does not exist together, it is, of course, also possible to stop more positions to improve output The accuracy of axis motion trail analysis.

Side current vortex sensor is inlaid in a mounting plate 85, and the mounting plate and ipsilateral electric pushrod tache motorice connect It connects, the measurement end of side current vortex sensor is towards ipsilateral rotation axis side.The shape of mounting plate at this be it is round, rectangular or Strip is all possible, and preferably such as figure is rectangular, convenient for connecting with tache motorice and will not occupy excessive area.

Bracket includes cross bar 88, vertical bar 29 and mounting plate 85, and cross bar is moved by fixing seat 83 and ipsilateral electric pushrod End connection, the both ends of cross bar are separately connected a vertical bar, and each vertical bar lower end installs one to ipsilateral rotation axis upper end respectively The mounting plate extended above face, each mounting plate are located at the position above ipsilateral rotation axis upper surface embedded one and power on whirlpool Flow sensor, the measurement end of each upper current vortex sensor is towards ipsilateral rotation axis upper surface.Mounting plate at this is length The both ends of bar shaped, cross bar are wider than the device panel 30 at this, and vertical bar extends downwardly, and the mounting plate of the strip of lower end is set certainly It is protruded at gap between standby panel and rotation axis, the spacing phase between two upper current vortex sensors and rotation axis upper surface Together, and two upper current vortex sensors are at the same vertical position with ipsilateral side current vortex sensor respectively, such energy Two side current vortex sensors are made to form the relationship of conjunction measuring with ipsilateral upper current vortex sensor respectively.

In order to make vertical bar have the function of fine tuning, vertical bar upper end is fixed together by bolt 84 with cross bar.It is micro- when needing On tune when current vortex sensor, bolt can be unscrewed, make vertical bar rotation, after adjusting, bolt is tightened.

Electric pushrod rear end passes through the rear base 78 filled thereon and connect with feed zone outer wall, and the tache motorice of electric pushrod The outer wall at place is set with fixing seat 81, and fixing seat is connect with the outer wall of feed zone and the connecting plate 82 of panel.It can be in rear base Or upper resilient cushion 79 is padded between fixing seat and feed zone outer wall, to improve the detection accuracy of current vortex sensor, improve electronic push away The service life of bar.

By live data analysis, when most of, it is that output shaft station goes wrong and makes that shifting or deviateing, which occur, in screw rod At, this is because rotation axis has certain length, and screw rod also has certain length, at output shaft micro-displacement or When deviation, biggish displacement or deviation will cause at screw rod, so the displacement or deviation of detection rotation axis could be mentioned preferably The safety of high screw rod work.

Control unit can receive the output of current vortex sensor, and control the movement of electric pushrod, such as: including line The common circuit element such as cable, capture card, central control module, is not described in detail herein.

Above-mentioned displacement detecting mechanism is as shown in Figure 23,24: passing in embedded at least two current vortexs that fill of gearbox upper head plate 125 Sensor 123, the measurement end 137 of two current vortex sensors, which protrudes into gearbox and is located at respectively close to two output shafts 121, to be become 124 end face of driving gear of outer rim suit in fast case, the output end of two current vortex sensors connect control unit.

One vibrating sensor 122 is installed respectively in the four corners of upper head plate, under the side wall of gearbox front-end and back-end A vibrating sensor is installed respectively by side, and the output end of vibrating sensor connects control unit.The side wall of certain gearbox two sides Upper installation vibrating sensor is also possible, but it is actually detected when only need six vibrating sensors.

Through-hole 138 is produced at the position of upper head plate position opposite with transmission internal driving gear, which is located at driving At the upper head plate of gear side.Mounting seat 131 at upper head plate above through-hole, the pedestal internal messing connect current vortex sensor Middle part outer rim 130, the lower end of current vortex sensor is protruded into gearbox and position opposite with driving gear face.

Gap of the measurement end of current vortex sensor towards driving gear face, between driving gear face and measurement end When excessive or too small, it is meant that the problems such as driving gear deviates also implies that the problem occurs in output shaft, need to stop at this time Machine is overhauled, the reason of to find offset.

Pedestal upper end outer rim engaging sleeve is mounted in the inner edge 132 of water-cooling cover 126, which is crimped on pedestal An aperture 128 is produced in the basal part 140 of lower end extension, water-cooling cover upper end, and the upper end 127 of current vortex sensor is stretched from aperture Out, the water-cooling cover inner surface of the aperture side is crimped on the upper surface of the snap ring 129 of current vortex sensor outer rim suit, the card The outer side bottom surface edge of ring is crimped on pedestal upper surface.In the side lower end of water-cooling cover, water inlet 141, other side upper end are set Water outlet 133 is set, makes cold water by lower entrance, hot water is from upper outflow, by the flowing of water, by the heat band of current vortex sensor It walks, avoids the occurrence of the excessively high problem of temperature.

Basal part is fixed together by bolt and gearbox upper head plate, between basal part bottom surface and upper head plate upper surface Embedding sealing pad 136, the protrusion 134 produced on the gasket are filled in the gap 139 between current vortex sensor and pedestal Place.

Above-mentioned sound-insulating structure is as shown in Fig. 1,18~22: as shown in Figure 1, before feed zone rotation axis 16, gearbox and motor Sound insulation side plate 5 is provided on the ground at end, rear end and two sides, sound insulation top plate 111 is arranged in four sound insulation side plate upper ends, in sound insulation side The observation window 17 for observing feed zone rotation axis and the observation window for observing gearbox and motor are provided on plate, any Valve 21 is provided on one sound insulation side plate, between feed zone rotation axis, gearbox and motor and sound insulation side plate and sound insulation top plate Equal retention gap.

Vertical beam 1, crossbeam 2 and intermediate beam 18 cooperate and are built into frame structure, and side installs sound insulation side plate, top dress Thus good sound insulation top plate will be closed at the rotation axis on the right side of Fig. 1, at gearbox and at motor, vertical beam and crossbeam can select With the biggish Steel material of thickness, such as: with a thickness of 1 centimetre of angle steel, the thicker material of use primarily to supporting & stablizing, It can be fixed to each other using common connection structures such as connector, bolts between sound insulation side plate and sound insulation top plate, and in speed change It keeps stablizing under the vibration environment of case and motor.Two observation windows are respectively provided on each sound insulation side plate of front-end and back-end, this is Since the entire length of rotation axis, gearbox and motor is longer, so more observation window is arranged in order to operator's observation Equipment working state, such valve are arranged on the sound insulation side plate of the rightmost side.

Since feed zone is pierced by from the sound insulation side plate of the leftmost side, thus produced on the sound insulation side plate of the leftmost side one it is rectangular Shape aperture, the state of the rectangle aperture may refer to the circular hole 110 of Figure 18, the inner edge of rectangle aperture and feed zone outer rim it Between can be bonded to each other, certain gap can also be retained, if being provided with gap certainly, the gap is the smaller the better, in this way may be used To reduce the noise spread out of at this.

As shown in fig. 1 on the left-hand side, sound insulation side plate 5, four sound insulations are provided on the ground of pelletizing section front end, rear end and two sides Sound insulation top plate 111 is arranged in side plate upper end, the observation window 3 for observing pelletizing section is provided on sound insulation side plate, at any one Valve 21 is provided on sound insulation side plate, equal retention gap between pelletizing section and sound insulation side plate and sound insulation top plate.At this and rightmost side Unlike: entirety lateral length is slightly shorter at this, so be only applicable in vertical beam, the cooperation of crossbeam is built, not use intermediate beam, Other structures are identical as the rightmost side.Front end, rear end two sound insulation side plates on two observation windows are respectively set, can make to operate Personnel see the motor 4 and speed changer 37 of pelletizing section 6.Since the junction of pelletizing section and Melting pump 7 is from the sound insulation side plate on the right It is pierced by, as shown in figure 18, circular opening 110 is just pierced by above-mentioned junction, round as the rectangle aperture of the rightmost side Preferred not retention gap between aperture and pelletizing section and the outer rim of Melting pump junction.

Sound insulation side plate lower end is fixed in fixing groove 24, and fixing groove lower end is inlaid in 23 upper surface of concrete bed It is interior, it is provided with air inlet 25 on concrete bed, exhaust outlet 112 is provided on sound insulation top plate.Fixing groove also uses steel Material bending is made, with a thickness of 1 centimetre or so.Air inlet is as shown in figure 19, and structure is, air inlet is connected to the outside of pedestal and interior Side, and close to outside end have a shutter tilted down, and exhaust outlet be arbitrary shape and can be set it is multiple, Exhaust fan can also be installed and carry out active air draft, or be connected to by connecting tube with the dedusting air exhausting device in workshop, by its completion Active air draft directly keeps exhaust outlet to be in an open state also possible certainly, and the engagement process with air inlet is: due to every Gearbox and motor are closed by sound side plate, sound insulation top plate etc., after equipment heating, flow out inner air word exhaust outlet, and The cold air on periphery enters inside sound insulation side plate and sound insulation top plate from air inlet, and starts to be heated, continuous to recycle, and makes sky Air-flow moves up, and avoids internal apparatus overheat.

Above-mentioned exhaust outlet has that noise leaks, and between above-mentioned feed zone and pelletizing section and ipsilateral sound insulation side plate The problem of gap is leaked there is also noise, but in actual work, it is not that noise is required to reduce as far as possible, it only will be biggish After noise isolation, the noise to leak is that human ear can tolerate that not will cause human ear damages in a long time

The structure of sound insulation side plate is as shown in figure 21: including outer plastic-steel board 117, interior plastic-steel board 115, acoustical cotton 116, deadening felt 114 and plasterboard 113, acoustical cotton is embedded between outer plastic-steel board and interior plastic-steel board, interior plastic-steel board inner surface attaches deadening felt, sound insulation Felt inner surface attaches plasterboard.The layer structure of sound insulation top plate and the layer structure of valve are identical as sound insulation side plate.Outer modeling Steel plate is multi-layer stacked composition, and overall thickness is 0.4~0.7 centimetre, and interior plastic-steel board is identical as outer plastic-steel board.Acoustical cotton with a thickness of 3~5 centimetres, deadening felt with a thickness of 2~3 centimetres, plasterboard is with a thickness of 0.7~1 centimetre.

Deadening felt be a kind of high density coiled material with certain flexibility, with plasterboard cooperation after can preferably realize every Sound, acoustical cotton are a kind of manmade inorganic fibres, use the natural crystals such as quartz sand, lime stone, dolomite for primary raw material, cooperation The industrial chemicals such as some soda ash, borax are melt into glass, under melting state, get rid of into cotton-shaped fine fibre by external force blowing produced, fine It is crossings on different level between peacekeeping fiber, is intertwined mutually, shows many tiny gaps.

The working condition of personnel's observation device for ease of operation, observation window use triplex glass structure as shown in figure 22 120, it is vacuum state 119 between adjacent layer glass, triplex glass structure both ends in insertion profile and in inside by infusing Enter refractory glue 118, is then inlaid on sound insulation side plate.

Other than above several structures, there are also improvement below, specifically:

5th improvement makes: 36 surface of connecting plate between mixing section and Melting pump is provided at least one vibrating sensing Device 8 attaches installation water-cooled jacket 9 in vibrating sensor outer rim, and flowing has cooling water 51 in water-cooled jacket, water-cooled jacket lower end setting Water inlet 45 is connected to water source with water pump 50 by automatically controlled valve group 49, and the water outlet 38 of water cooling set upper side setting is absorbed for being discharged The water of heat.

The lower end of the upper end connection cables 52 of vibrating sensor, vibrating sensor is fixed on connection plate surface by pedestal, Water-cooled jacket is attached in vibrating sensor outer rim above pedestal.It is arranged in water-cooled jacket inner edge for detecting vibrating sensor outer rim The temperature sensor 54 of temperature value, the output end of the temperature sensor connect control unit, which connects automatically controlled valve group Control terminal and water pump control terminal.

Above-mentioned temperature sensor is temperature element using platinum resistance, by the variation of its resistance value come the temperature for the measurement that converts Value, control module complete the reception of detection data and the output of control instruction using Industry Control processor as core, by it.

Water-cooled jacket is made of two arc sleeves 41, and the height of each arc sleeve is greater than the height of vibrating sensor, and two End is provided with fixed plate 42, has internal screw thread in the aperture produced in fixed plate.In use, two arc sleeves are symmetrical It is fastened on vibrating sensor outer rim, fixing bolt 43 is then screwed into the aperture of the fixed plate mutually aligned, thus makes two Arc sleeve mutually fastens, and mutual connection can also be kept closer in the end geared screw 44 of fixing bolt.

A water inlet 45 is arranged in each arc sleeve lower end, and a water outlet 38, water inlet is arranged in each arc set upper side The two sides of arc sleeve are located at water outlet.The water inlet of two arc sleeves is connected to water inlet pipe 46 by a tee tube 39, Automatically controlled valve group and water pump are set on water inlet pipe, and the water outlet of two arc sleeves is connected to outlet pipe 40 by another tee tube.

There are multiple electrically-controlled valves, particular number is determined according to the quantity of vibrating sensor, i.e. motor, change in automatically controlled valve group Several vibrating sensors are provided at fast case and mixing section, then the electrically-controlled valve being arranged in automatically controlled valve group is arranged same quantity and leads to Other water inlet pipes 48 are crossed to be connected to the water-cooled jacket at others vibrating sensors, and the water outlet of water pump respectively with it is multiple automatically controlled The water inlet of valve connection, water pump is connected to water source.

In order to improve coming into full contact between water-cooled jacket inner edge and vibrating sensor outer rim, in water-cooled jacket and vibrating sensor Between be embedded in one layer of conduction graphite film 53, with a thickness of 0.5~1.5 millimeter, density is between 1.5~18g/cm, thermal coefficient About 1000w/ (mk).Water-cooled jacket is bonded closer, then the heat transfer efficiency of conduction graphite film is higher, and heat dissipation effect is more It is good.

6th is improved as shown in Figure 11~17: the surface 99 of the shell 95 of cooling unit is provided with water inlet 89 and water outlet Mouth 100, shell exterior shape are rectangular or rectangle, oil inlet 101 are provided on the right side of enclosure bottom, on the shell end face Left side is provided with oil outlet 92, and the oil inlet and oil outlet are interconnected by the snakelike bending tube 96 being arranged in shell, into Hydraulic fluid port side is provided with water outlet, and oil outlet side is provided with water inlet, is embedded in a temperature sensor 93 in oil outlet side wall, The output end of the temperature sensor connects control unit, the control terminal for the water pump that control unit connection is connected to water inlet.

One water inlet of connection is in charge of 91 on water inlet side wall 90, and a water outlet is connected on water outlet side wall and is in charge of 91, water inlet It is in charge of the upper end that connection is sleeved on the interior heat exchanger tube 102 being arranged in snakelike bending tube, lower end and the water outlet of the interior heat exchanger tube are in charge of Connection is spaced 105 settings between the interior heat exchanger tube outer rim and snakelike bending tube inner edge.

Water inlet constantly flows into cold water 94 (in Figure 11 shown in filled arrows), and by after shell internal cavity through water outlet Outflow, the lubricating oil (in Figure 11 shown in hollow arrow) in flow process with the flowing of snakelike bending tube carry out outside heat exchange, together Shi Jinshui be in charge of in cold water water outlet flow to by interior heat exchanger tube be in charge of place, flowed in flow process with snakelike bending tube Lubricating oil carries out inside heat exchange.

The end of two adjacent oil pipes 97 of snakelike bending tube vertical direction is connected to by elbow cover 98, and the elbow cover is as schemed Shown in 13~17, the upper end 106 and lower end are respectively with two oil pipes by being welded together, between two oil pipes It is closed at the side wall end face 107 of elbow cover opening side by the edge 109 of baffle 103.Elbow cover upper surface and bottom surface be with The corresponding semicircle in oil pipe top and bottom, upper and lower two oil pipes and elbow cover top and bottom make after being welded upper end and under End completely encloses, positioned at the bottom surface 104 of the oil pipe of elbow cover upper end and the upper surface 142 of the oil pipe positioned at elbow cover lower end The curved surfaces 108 made with baffle top and bottom fit respectively.

After the end-enclosed of elbow cover and baffle by upper and lower two oil pipes, as shown in figure 15, oil pipe is embedded in interior heat exchange The straight pipe of pipe, elbow cover are embedded in the arc linkage section of interior heat exchanger tube, and the seam crossing 143 of straight pipe and arc linkage section is located at The inside of elbow cover.

In order to guarantee the gap between interior heat exchanger tube and snakelike bending tube, can before the welding of elbow cover, in oil pipe and Bracket is set between straight pipe, and the bracket is solid as far as possible and small in size, can stablize support, also will not influence lubricating oil Flow velocity.Further more, each weld needs to keep even weld and polishing is smooth, and needs to carry out leak-testing and could use. Finally, snakelike bending bore is slightly larger, and interior heat exchange pipe outside diameter is moderate, make gap between the two be generally kept at 3~ 10 centimetres, certain internal diameter of snakelike bending tube, the internal diameter of interior heat exchanger tube and gap between the two can be according to lubricating oil The parameters such as viscosity, flow velocity determine.

Temperature sensor is mainly the lubricating oil temperature for detecting oil outlet, in general, passes through changing for outside and inside After heat, the temperature of the lubricating oil of oil outlet has already decreased to suitable range, can be sampled detection and filtration treatment, when In order to avoid going wrong, the detection data of the temperature sensor is periodically communicated in control unit, and control unit will receive Data be compared with preset numerical value, once be more than alarm range, control unit can be automatic by equipment such as frequency converters It drives water pump to improve power, improves the flow velocity of cold water, return to the lubricating oil temperature of oil outlet in normal range, then water Low-power operation can drop in pump.

In the utility model, the accuracy of feed bin level of filler material detection is improved using dustproof construction, utilizes track detection machine Structure improve rotation axis and screw rod operation stability, using displacement detecting mechanism improve gearbox operation safety, using every Sound structure reduces the actual bodily harm to operator, and the service life of vibrating sensor is improved using water-cooled jacket, utilizes shell, snake Shape bending tube and interior heat exchanger tube improve the heat exchange efficiency of lubricating oil, by the mutual cooperation of above-mentioned each structure, make existing relatively old The operation of the twin-screw extruder pelletizer of model it is safer, more stable.

Claims (10)

1. a kind of twin-screw extruder pelletizer comprehensive detection system, including pelletizing section, Melting pump, mixing section, feed zone, feed bin, Gearbox, motor, cooling unit and control unit, motor connect one end of gearbox, and gearbox connects turning for feed zone one end Feed bin is arranged in moving axis, feed zone upper surface, and the feed zone other end is sequentially connected with mixing section, Melting pump and pelletizing section, feature It is: is provided with dustproof construction outside the 3D Level measurement device that feed bin is filled, being provided at rotation axis can move back and forth Track detection mechanism, displacement detecting mechanism is provided on gearbox, is provided with sound-insulating structure on the outside of gearbox and motor.

2. a kind of twin-screw extruder pelletizer comprehensive detection system according to claim 1, it is characterised in that: described dust-proof Structure is: upper end opening is arranged at the installation position of feed bin upper end and the mounting cylinder in feed bin is protruded into lower end, the mounting cylinder is embedded Enter the 3D Level measurement device, the form that transmitting terminal and the mounting cylinder bottom surface of the 3D Level measurement device bottom surface are arranged is mutually right Position is provided with the installation lid that can be tightly connected with mounting cylinder upper end in 3D Level measurement device outer rim, is arranged in mounting cylinder upper end Air inlet, the air inlet are pierced by the upper end connection gas source of the installation lid, which passes through in mounting cylinder side wall Channel is connected to the spray head that mounting cylinder side wall bottom surface is arranged, and the gas outlet of the spray head is towards the surface of the form.

3. a kind of twin-screw extruder pelletizer comprehensive detection system according to claim 1, it is characterised in that: the track Testing agency is: in the setting of the upper surface of feed zone, front end face and rear end face, there are three electric pushrod, the fortune of three electric pushrods Moved end is respectively provided with one close to ipsilateral turn positioned at the tache motorice of front end face and two electric pushrods of rear end face towards gearbox The side current vortex sensor of moving axis side, positioned at upper surface electric pushrod tache motorice be arranged a bracket, the two of the bracket Side lower end is arranged close to the upper current vortex sensor of ipsilateral rotation axis；

Positioned at the tache motorice of front end face and two electric pushrods of rear end face can during mobile to gearbox direction or to It is examined at the different lateral locations for resting on rotation axis and by side current vortex sensor during feed zone direction is mobile It surveys；Positioned at upper surface electric pushrod can during mobile to gearbox direction or to feed zone direction it is mobile during It rests at the different upper surface positions of rotation axis and is detected respectively by two upper current vortex sensors.

4. a kind of twin-screw extruder pelletizer comprehensive detection system according to claim 3, it is characterised in that: the bracket Including cross bar, vertical bar and mounting plate, cross bar is connect by fixing seat with ipsilateral electric pushrod tache motorice, the both ends difference of cross bar A vertical bar is connected, a mounting plate to extension above ipsilateral rotation axis upper surface is installed in each vertical bar lower end respectively, often A mounting plate, which is located at the position above ipsilateral rotation axis upper surface, is embedded in a upper current vortex sensor, each upper current vortex The measurement end of sensor is towards ipsilateral rotation axis upper surface.

5. a kind of twin-screw extruder pelletizer comprehensive detection system according to claim 1, it is characterised in that: the displacement Testing agency is: embedding in gearbox upper head plate and fills at least two current vortex sensors, the measurement end of two current vortex sensors The driving gear face that the outer rim in gearbox is set with is protruded into gearbox and is located at respectively close to two output shafts, in upper head plate Four corners one vibrating sensor is installed respectively, vibration is installed respectively below the side wall of gearbox front-end and back-end and is passed Sensor.

6. a kind of twin-screw extruder pelletizer comprehensive detection system according to claim 1, it is characterised in that: the sound insulation Structure is: sound insulation side plate is provided on the ground of the front end of the rotation axis of feed zone, gearbox and motor, rear end and two sides, Sound insulation top plates are arranged in four sound insulation side plate upper ends, be provided on sound insulation side plate observation window for observing feed zone rotation axis and For observing the observation window of gearbox and motor, it is provided with valve on any one sound insulation side plate, the feed zone rotation axis, Equal retention gap between gearbox and motor and sound insulation side plate and sound insulation top plate；

Sound insulation side plate is provided on the ground of pelletizing section front end, rear end and two sides, sound insulation top is arranged in four sound insulation side plate upper ends Plate is provided with the observation window for observing pelletizing section on sound insulation side plate, is provided with valve on any one sound insulation side plate, institute State equal retention gap between pelletizing section and sound insulation side plate and sound insulation top plate.

7. a kind of twin-screw extruder pelletizer comprehensive detection system according to claim 6, it is characterised in that: the sound insulation The structure of side plate includes outer plastic-steel board, interior plastic-steel board, acoustical cotton, deadening felt and plasterboard, between outer plastic-steel board and interior plastic-steel board It is embedded in acoustical cotton, interior plastic-steel board inner surface attaches deadening felt, and deadening felt inner surface attaches plasterboard；

The structure of the sound insulation top plate includes outer plastic-steel board, interior plastic-steel board, acoustical cotton, deadening felt and plasterboard, outer plastic-steel board and Acoustical cotton is embedded between interior plastic-steel board, interior plastic-steel board inner surface attaches deadening felt, and deadening felt inner surface attaches plasterboard；

The structure of the valve includes outer plastic-steel board, interior plastic-steel board, acoustical cotton, deadening felt and plasterboard, outer plastic-steel board and interior modeling Acoustical cotton is embedded between steel plate, interior plastic-steel board inner surface attaches deadening felt, and deadening felt inner surface attaches plasterboard；

The observation window uses triplex glass structure, is vacuum state between adjacent layer glass.

8. a kind of twin-screw extruder pelletizer comprehensive detection system, feature described according to claim 1~any one of 7 Be: the connection plate surface between mixing section and Melting pump is provided at least one vibrating sensor, outside vibrating sensor Edge attaches installation water-cooled jacket, and one layer of conduction graphite film is embedded between water-cooled jacket and vibrating sensor, is arranged in water-cooled jacket inner edge For detecting the temperature sensor of vibrating sensor outer rim temperature value, the water-cooled jacket is made of two arc sleeves, two arcs Shape set is symmetrically fastened on vibrating sensor outer rim and is fastened on one by the fixing bolt in the fixed plate of the two both ends setting It rises.

9. a kind of twin-screw extruder pelletizer comprehensive detection system, feature described according to claim 1~any one of 7 Be: the outer shape of the shell of the cooling unit is rectangular or rectangle, and oil inlet is provided on the right side of enclosure bottom, Upper shell left side of face is provided with oil outlet, which is mutually interconnected with oil outlet by the snakelike bending tube being arranged in shell It is logical, oil inlet side is provided with water outlet, oil outlet side is provided with water inlet, is embedded in a temperature in oil outlet side wall and passes Sensor；

One water inlet of connection is in charge of on water inlet side wall, and a water outlet is connected on water outlet side wall and is in charge of, company is in charge of in the water inlet The logical upper end for being sleeved on the interior heat exchanger tube being arranged in snakelike bending tube, the lower end of the interior heat exchanger tube is in charge of with the water outlet to be connected to, Setting is spaced between the interior heat exchanger tube outer rim and snakelike bending tube inner edge.

10. a kind of twin-screw extruder pelletizer comprehensive detection system according to claim 9, it is characterised in that: snakelike folding The end of two adjacent oil pipes of bend pipe vertical direction is connected to by elbow cover, the top and bottom of the elbow cover respectively with two Oil pipe connects, and is closed at the elbow cover opening between two oil pipes by baffle；

Elbow cover upper surface and bottom surface are semicircle corresponding with oil pipe top and bottom, positioned at elbow cover upper end The upper surface curved surfaces phase made with baffle top and bottom respectively of the bottom surface of oil pipe and the oil pipe positioned at elbow cover lower end Fitting；

The oil pipe is embedded in the straight pipe of interior heat exchanger tube, and the elbow cover is embedded in the arc linkage section of interior heat exchanger tube.