CN108819164A - A kind of adjustable twin-screw extrusion unit - Google Patents

Abstract

The present invention discloses a kind of adjustable twin-screw extrusion unit, including cylinder and temperature control system, the first screw rod and the second screw rod are provided in the cylinder, first screw rod engages connection with second screw rod, the temperature control system includes temperature-detecting device, energy collecting device is arranged in the cylinder, and on the temperature-detecting device in the temperature-detecting device setting, uses for collecting the vibrational energy of the temperature-detecting device generation and being translated into electric energy for the temperature-detecting device.The present invention is by setting energy collecting device, the vibration energy harvesting that the detection device used in extrusion equipment is generated during the work time, and is further translated into electric energy use, on the one hand energy saving, on the other hand also achieves the self energizing of device.

Description

A kind of adjustable twin-screw extrusion unit

Technical field

The present invention relates to production equipment technologies, and in particular to a kind of adjustable twin-screw extrusion unit.

Background technique

Extruder is the important equipment of processing of high molecular material machinery, and the external insulation layer of wire and cable is usually exactly using crowded Machine carries out out, and in extrusion process, the plastics being fitted into hopper are threaded into machine barrel by gravity or charging, in rotation spiral shell Constantly advance under the thrust of bar, under certain temperature action, plastics are in the stirring of screw rod and squeezing action and machine barrel Additional heat transfer, under the shearing friction effect between plastics and equipment, be changed into the viscosity flow material of molten condition by solid state, The plastics being plasticized are pushed into head under the action of screw rod, through die sleeve mouth extrusion molding, are wrapped in around core, form insulation Layer, then handled through cooling and solidifying, obtain wire and cable product.

During the processing of the extrusion of wire and cable, the various equipment for being used to the environmental parameters such as test, extract, show It is used widely, especially various detection devices will affect crowded since effective control of temperature is extremely crucial to effect is squeezed out The quality of cable after molded, thus a large amount of temperature testing equipment application is wherein.Detection of these work in electrical equipment The power consumption of device is not usually high, and drive energy relies primarily on battery, but with the fast development of extensive highly integrated circuit, The physical size of device becomes smaller and smaller, and the replacement of battery increases therewith, and periodic replacement battery not only expends greatly, and in majority In the case of, replacement battery is to be unable to complete more changing jobs for battery at all not permitted in device architecture and system；And it utilizes High capacity cell had both been unfavorable for the maintenance of electronic equipment to the mode that device is powered, and also polluted the environment.

Need to consume a large amount of energy in squeezing out processing, if it is possible to solve the inspection largely used in extrusion equipment The energy supply problem for surveying device, using the vibrational energy in environment and is transformed into power output, so that device or equipment use, The self energizing for realizing low energy-consumption electronic device it is various inconvenient and unfavorable can not only to exempt replacement battery bring, additionally it is possible to save energy Source.

Vibration mechanical energy is converted into there are many modes of electric energy, and wherein piezoelectric type energy collector is because having output density Greatly, advantages of simple structure and simple is at present using a kind of more energy collecting device.Piezoelectric type energy collector mainly passes through Piezoelectric material it is of reciprocating vibration, generate charge in the upper and lower surface of piezoelectric material, and realization be collected to charge.But due to Piezoelectric material is usually to be presented with stratified material, and be attached in specific mechanical structure, and fixed mechanical mechanism usually has Have a fixed resonance frequency, therefore the sensitive frequency of piezoelectric energy collector is also fixed, once can extraneous vibration it is inclined From the fixed frequency, piezoelectric energy collector just cannot good work.

In view of the above drawbacks, creator of the present invention obtains the present invention by prolonged research and practice finally.

Summary of the invention

To solve above-mentioned technological deficiency, the technical solution adopted by the present invention is, provides a kind of adjustable twin-screw extrusion Unit, including cylinder and temperature control system, are provided with the first screw rod and the second screw rod in the cylinder, first screw rod with it is described The engagement connection of second screw rod, the temperature control system includes temperature-detecting device, and the temperature-detecting device is arranged in the cylinder It is interior, and energy collecting device is set on the temperature-detecting device, the vibrational energy generated for collecting the temperature-detecting device It measures and is translated into electric energy and used for the temperature-detecting device.

Further, the energy collecting device includes framework, electrotransformation component, fm components and self feed back component, institute It states framework to be horizontally set on the temperature-detecting device, the electrotransformation component and the fm components are separately positioned on described The upper and lower surfaces of framework, the self feed back component setting contact on the electrotransformation component, and with the fm components.

Further, the electrotransformation component includes cantilever beam and mass block, and the cantilever beam is arranged in " ten " font The centre of the cantilever beam is arranged in the upper surface of the framework, the mass block.

Further, the cantilever beam includes the first metal layer, piezoelectric thin film layer, second metal layer and base from top to bottom Bottom.

Further, the fm components include frequency modulation cantilever, frequency modulation unit and limiting slot, and the frequency modulation cantilever setting exists The lower surface of the framework, and it is symmetrical with the cantilever beam, and the frequency modulation unit is sequentially arranged on the frequency modulation cantilever, described Limiting slot is arranged in the frequency modulation unit two sides.

Further, the frequency modulation cantilever turns along frequency modulation cantilever centre to the framework to close to the electricity Change component direction and tilts 5 ° -10 °.

Further, the frequency modulation unit includes vibrating core and the chamber for wrapping up the vibrating core, the chamber Upper and lower ends open up the preformed hole passed through for the vibrating core respectively；The upper and lower ends of the vibrating core are provided with limit Block is provided with contact portion, the contact portion and the self feed back component touch on the top end face of the vibrating core.

Further, the contact portion includes groove or protrusion, and the shape of the protrusion is arc-shaped or triangle.

Further, the self feed back component be by the first drop portion, first horizontal portion, the second drop portion, the second horizontal part and Third drop portion successively end to end composition entirety be in question mark shape component.

Further, the upper end of the self feed back component is connect with the cantilever beam, and the lower end of the self feed back component is set It is equipped with contact jaw, the contact jaw includes notch and tooth socket, and the notch is inverted U shape, the two sides of the notch and the limit Slot connection, the bottom surface of the notch are uniformly arranged several tooth sockets, and the cross sectional shape of the tooth socket is triangle.

Compared with the prior art the beneficial effects of the present invention are：

1, the present invention is produced the detection device used in extrusion equipment by setting energy collecting device during the work time Raw vibration energy harvesting gets up, and is further translated into electric energy use, on the one hand energy saving, on the other hand also realizes The self energizing of device；

2, the energy collecting device provided by the invention, can be according to extraneous vibration frequency by setting self feed back component Itself eigentone is adjusted in time, it is made to reach unanimity with extraneous vibration frequency, to generate more charges, and then is obtained Higher energy conversion efficiency.And the energy collecting device structure design is simply, reliable working performance, installation and user Just；

3, double-screw structure is used in the present invention, and two screw rods are of coupled connections by mesh plate, improve extrusion efficiency, and logical The support frame containing stretching structure is crossed, so that twin-screw extrusion unit integrally may be height adjusted, in addition, structure of the invention is simple It is single, easy to use.

Detailed description of the invention

Fig. 1 is overall structure view of the invention；

Fig. 2 is the topology view of actinobacillus device in the present invention；

Fig. 3 is the topology view of dancing wheel in the present invention；

Fig. 4 is the topology view of agent set in the present invention；

Fig. 5 is the overall structure figure of energy collecting device in the present invention；

Fig. 6 is the partial sectional view of energy collecting device in the present invention；

Fig. 7 is the side view of frequency modulation cantilever in the present invention；

Fig. 8 is the top view of frequency modulation cantilever in the present invention；

Fig. 9 is the cross-sectional view of single frequency modulation unit in the present invention；

Figure 10 is the cross-sectional view of multiple frequency modulation units in the present invention；

Figure 11 is the front view of self feed back component in the present invention；

Figure 12 is the topology view of self feed back component in the present invention；

Figure 13 is the first state figure of frequency modulation unit and contact jaw relative position in the present invention；

Figure 14 is the second state diagram of frequency modulation unit and contact jaw relative position in the present invention；

Figure 15 is the third state figure of frequency modulation unit and contact jaw relative position in the present invention；

Figure 16 is frequency modulation unit and contact jaw contact condition variation diagram in the present invention；

Figure 17 is frequency modulation unit and contact jaw contact condition figure in the embodiment of the present invention two.

Digital representation in figure：

100- agent set；200- cooling and shaping device；300- traction device；400- take-up；11- pedestal；12- is passed Dynamic device；13- feeding device；14- cylinder；15- support frame；16- heating device；141- sleeve；142- barrel；The first spiral shell of 143- Bar；144- head；The second screw rod of 145-；61- active paying out machine；62- draw drum；63- dancing wheel；64- pulley assembly；631- is left Wheel；632- right wheel；633- telescopic rod；51- framework；52- electrotransformation component；53- fm components；54- self feed back component；511- One baffle；512- second baffle；513- third baffle；514- fourth gear plate；521- cantilever beam；522- mass block；531- frequency modulation Cantilever；532- frequency modulation unit；533- limiting slot；534- frequency modulation joint；541- first horizontal portion；The first drop of 542- portion；543- Second drop portion；The second horizontal part of 544-；545- third drop portion；546- contact jaw；5321- vibrating core；5322- chamber；5323- One preformed hole；The second preformed hole of 5324-；The first limited block of 5325-；The second limited block of 5326-；5327- groove；5328- protrusion； 5461- notch；5462- fixture block；5463- tooth socket；53210- vibrating core A；53211- vibrating core B；53212- vibrating core C； 53213- vibrating core D.

Specific embodiment

Below in conjunction with attached drawing, the forgoing and additional technical features and advantages are described in more detail.

Embodiment one

The present invention provides a kind of adjustable twin-screw extrusion unit, as shown in Figure 1, the adjustable twin-screw extrusion unit Including actinobacillus device (not shown), agent set 100, cooling and shaping device 200, traction device 300 and take-up 400, the actinobacillus device actively releases metal inside, into the agent set 100 in be wrapped by upper insulating protective layer after, warp The cooling and shaping device 200 is cooled and shaped, and receives whole finish by the traction device 300 and the take-up 400.

As shown in Fig. 2, the actinobacillus device includes active paying out machine 61, draw drum 62 and dancing wheel 63, the draw drum 62 are placed in the active paying out machine 61, and the dancing wheel 63 is connect with the draw drum by pulley assembly 64, metal inside After removing from the draw drum 62, the agent set 100 is entered under the drive of the dancing wheel 63.As shown in figure 3, institute Stating dancing wheel includes revolver 631, right wheel 632 and telescopic rod 633, and core is respectively wound around the revolver 631 and the right wheel 632 On, the telescopic rod 633 is connect with cylinder, and the cylinder is fixedly mounted on the revolver 631, is provided with work on the cylinder Stopper rod, the piston rod are fixedly connected with one end of the telescopic rod 633, the other end of the telescopic rod 633 and the right wheel 632 connections, moving left and right for the telescopic rod 633 drive the right wheel 632 also to be moved left and right, a left side for the right wheel 632 It moves right and can control the laying tension and payingoff speed that the revolver 631 and the core in the right wheel 632 are set.

As shown in figure 4, the agent set 100 includes pedestal 11, transmission device 12, feeding device 13, cylinder 14 and temperature Control system, the transmission device 12 include motor and transmission component, and the motor is fixed on the upper surface of the pedestal 11, described It is provided with the transmission component on the right side of motor, is fixedly connected with the cylinder 14, the transmission component packet on the right side of the transmission component Include speed changer and shaft coupling, the speed changer includes two output shafts, every output shaft pass through respectively the shaft coupling with it is described Cylinder 14 connects, and the feeding device 13 is arranged in the side of the cylinder 14, and the other side of the cylinder 14 and the cooling are fixed Type device 200 connects, and the cylinder 14 is connect with the temperature control system.

The cylinder 14 is fixed on the pedestal 11 by support frame 15, and support frame as described above 15 has stretching structure, institute It states 15 spiral of support frame to be connected to inside the pedestal 11, the cylinder is allowed to carry out height adjustment.The cylinder 14 wraps Barrel 142 and sleeve 141 are included, the barrel 142 is co-axially located in the sleeve 141, is provided with first in the barrel 142 Screw rod 143 and the second screw rod 145, first screw rod 143 and second screw rod 145 are connect with the shaft coupling respectively.Institute The side for stating cylinder is fixedly installed head 144, and 144 end of head is provided with die orifice, the other side setting of the cylinder There is the feeding device 13.The side end cap of first screw rod 143 is connected to mesh plate, first screw rod 143 and described the Two screw rods 145 pass through mesh plate engagement connection.

Material is entered in the cylinder 14 by the feeding device 13, and the motor drives the speed changer, by described Shaft coupling is by power transmission to first screw rod 143 and second screw rod 145, so that first screw rod 143 and described Second screw rod, 145 engagement rotation, material is under the common drive of first screw rod 143 and second screw rod 145 to described 144 direction of head is mobile, meanwhile, the actinobacillus device releases metal inside, enters under the drive of the dancing wheel 53 described In head 144, the die orifice that material is set in 144 end of head, which is wrapped on the metal inside, forms insulation protection Layer.

The temperature control system includes heating device 16, cooling device, temperature-detecting device and control cabinet, the heating device 16 are arranged in the annular compartment formed between the sleeve 141 and the barrel 142, and the heating device 16 is used for described Material in barrel 142 is heated, and the cooling device is connect with the cylinder 14, and the cooling device is used for institute It states barrel 142 and carries out cooling processing, the control cabinet is arranged on the pedestal 11, and the control cabinet is filled with the heating respectively It sets the 16, cooling device and the temperature-detecting device is electrically connected.Collection of energy is arranged on the temperature-detecting device to fill It sets, makes for collecting the vibrational energy of the temperature-detecting device generation and being translated into electric energy for the temperature-detecting device With to realize the self energizing of the temperature-detecting device.The temperature-detecting device includes temperature sensor, and the present invention is using existing There is common temperature sensor in technology, generally include temperature element and detecting element, the energy collecting device can be set It sets on the detecting element, and the energy collecting device is preferably lain in a horizontal plane in the plane of the detecting element by the present invention Part, when temperature sensor work, device can generate micro-vibration, and the energy collecting device can collect micro-vibration Get up and convert electric energy and store and is continued to use into battery for temperature sensor, since temperature sensor power consumption is not usually high, because This is produced electricl energy and is stored by the energy collecting device, is equivalent to and is charged to the battery of temperature sensor, Jin Erke To extend the service life of temperature sensor, temperature sensor self energizing is realized, avoid the trouble of replacement battery.

The control cabinet includes signal receiving unit, analysis and processing unit and display unit, and the signal receiving unit is used The analysis processing list is transmitted in the actual temperature signal for receiving the temperature-detecting device transmission, and by actual temperature signal Member, the analysis and processing unit by actual temperature signal with after set temperature signal fusing to the heating device 16 or described cold But device issues corresponding action command, while being shown on the display unit.

As seen in figs. 5-6, the energy collecting device includes framework 51, electrotransformation component 52, fm components 53 and reflexive Component 54 is presented, the framework 51 is the hollow rectangle block as made of the successively end to end enclosing of several baffles, and the hollow square Up and down, heretofore described framework 51 is preferably made of four baffles shape block, and the baffle includes first baffle 511, second baffle 512, third baffle 513 and fourth gear plate 514, the first baffle 511, second baffle 512, third baffle 513 and fourth gear plate 514 it is successively end to end so that the framework 51 constitutes bottomless hollow box up and down.The electrotransformation Component 52 and the fm components 53 are separately positioned on the upper and lower surfaces of the framework 51, and the electrotransformation component 52 includes one Group cantilever beam 521, the cantilever beam 521 are connect with the framework 51, and the cantilever beam 521 includes orthogonal first strut With the second strut, the both ends of first strut be separately positioned on the first baffle 511 upper surface and the third baffle 513 upper surface, the both ends of second strut be separately positioned on the second baffle 512 upper surface and the fourth gear plate 514 upper surface, the cantilever beam 521 is connect with the framework 51 using bonding pattern, bonding mode connects or is integrally formed The cantilever beam 521 is preferably bonded connection with the framework 51 by setting, the present invention.It is at the center of the cantilever beam 521 First strut and the second strut intersection location are fixedly provided with a mass block 522, and the suspension of mass block 522 is connected to The lower surface of the cantilever beam 521, so that the mass block 522 is located at the inside of the framework 51.The present invention is by the framework 51 are arranged in the planar section on the temperature-detecting device, can generate when adjustable twin-screw extrusion unit work micro- Vibration, the energy collecting device can generate resonance, and under the drive of the mass block 522, the cantilever beam 521 is at itself Up-down vibration is generated under intrinsic resonance frequency.The cantilever beam 521 includes the first metal layer as top electrode, pressure from top to bottom Thin film layer, second metal layer are as lower electrode and silicon base, under the action of external vibration, the upper following table of the piezoelectric thin film layer Face constantly induces positive and negative charge, and collects positive and negative charge formation electric energy by the top electrode and the lower electrode and store Come.

The fm components 53 are oppositely arranged in the framework 51 with the electrotransformation component 52, the self feed back component 54 are arranged on the electrotransformation component 52, and the whole self feed back component 54 is in question mark shape, the self feed back component 54 Upper end is connect with the cantilever beam 521, and the lower end of the self feed back component 54 is contacted with the fm components 53.Work as extraneous vibration When frequency and the intrinsic frequency of the electrotransformation component 52 are kept off, the self feed back component 54 can be with the fm components 53 Interaction, and change the position that the self feed back component 54 is in contact with the cantilever beam 521, and then change the electrotransformation component 52 intrinsic frequency, so that the eigentone of the electrotransformation component 52 is close with extraneous vibration frequency.

The fm components 53 include one group of frequency modulation cantilever 531, frequency modulation unit 532 and limiting slot 533.One group of frequency modulation Cantilever 531 is arranged in " ten " font, and the center of one group of frequency modulation cantilever 531 is frequency modulation joint 534, in the frequency modulation The frequency modulation unit 532 is set on cantilever 531, and the limiting slot 533 is arranged in the frequency modulation unit 532.

As shown in fig. 7, the end of the frequency modulation cantilever 531 is connect with the framework 51, and the frequency modulation cantilever 531 is along institute It states frequency modulation joint 534 to be obliquely installed upwards to 51 direction of framework, the inclination between the frequency modulation cantilever 531 and horizontal plane Angle is set as 5 ° -10 °.

As shown in figure 8, being evenly arranged with several frequency modulation units 532, the frequency modulation unit on the frequency modulation cantilever 531 532 on the frequency modulation cantilever 531 sequentially, single-row setting, the two sides of the frequency modulation unit 532 are provided with the limiting slot 533, the limiting slot 533 is connect with the self feed back component 54.

As shown in figure 9, the frequency modulation unit 532 includes vibrating core 5321 and the chamber for wrapping up the vibrating core 5321 Room 5322, the upper and lower ends of the chamber 5322 offer preformed hole respectively, and the preformed hole includes being used for the vibrating core The first preformed hole 5323 that 5321 upper ends pass through and the second preformed hole 5324 passed through for 5321 lower end of vibrating core.Institute It states and is additionally provided with limited block on vibrating core 5321, the position passed through in the chamber 5322 to limit the vibrating core 5321 It sets, the vibrating core 5321 is prevented to be pierced by out of described chamber 5322, the limited block includes being separately positioned on the vibrating core The first limited block 5325 and the second limited block 5326 of 5321 upper/lower terminal, first limited block 5325 are arranged described A side or two opposite flanks for 5321 upper end of vibrating core, second limited block 5326 are arranged in the vibrating core 5321 A side or two opposite flanks for lower end.The vibrating core 5321 can be by adjusting its own quality size, thickness And the different location of limited block makes the natural resonance frequency of each frequency modulation unit 532 different.Preferably, in the vibration Core 5321 is additionally provided with contact portion on the end face of the electrotransformation component 52, and the contact portion is preferably arranged to groove 5327, the groove 5327 with the self feed back component 54 for contacting.

As shown in figs. 10-11, it is in question mark shape that the self feed back component 54 is whole, and the self feed back component 54 includes head and the tail Sequentially connected first drop portion 542, first horizontal portion 541, the second drop portion 543, the second horizontal part 544 and third drop portion 545, institute It states the first drop portion 542, first horizontal portion 541 and the second drop portion 543 and encloses semi-surrounding structure jointly, for surrounding the cantilever Beam 521, so that the cantilever beam 521 is contacted with the first horizontal portion 541, the length of the first horizontal portion 541 is greater than institute The width for stating cantilever beam 521 contacts the cantilever beam 521 with any point in the first horizontal portion 541.Institute The second horizontal part 544 is stated to connect second drop portion 543 and third drop portion 545, under third drop portion 545 End is additionally provided with contact jaw 546, and the contact jaw 546 is connect with the fm components 53.

As shown in figure 12, notch 5461 is provided on the bottom end end face of the contact jaw 546, the notch 5461 is in U The fixture block 5462 is inserted into the limiting slot 533 by shape, two sides of the notch 5461 as fixture block 5462, so that The self feed back component 54 will not be deviate from from the fm components 53.Uniform row is provided on the bottom surface of the notch 5461 The tooth socket 5463 of column, the both ends of the tooth socket 5463 are contacted with the fixture block 5462 respectively, the cross sectional shape of the tooth socket 5463 It is preferably arranged to triangle.

As shown in figure 13, when the energy collecting device remains static, since the fm components 53 inclination is set It sets, the contact jaw 546 of the self feed back component 54 is located at the minimum point of the frequency modulation cantilever 531, i.e., close on frequency modulation cantilever 531 The position of the frequency modulation joint 534.When external environment is vibrated, the vibrating core 5321 experiences extraneous vibration, and edge Vertical direction between the electrotransformation component 52 and the fm components 53 is vibrated up and down, due to the vibrating core 5321 Can by adjust its own quality size, thickness and the limited block different location make each vibrating core 5321 natural resonance frequency is different, therefore the amplitude that the vibrating core 5321 vibrates up and down is also different, only shakes with the external world Immediate its Oscillation Amplitude of vibrating core 5321 of dynamic frequency is maximum.The present invention is by the vibrating core 5321 according to its natural resonance frequency Rate is ordered from large to small on the frequency modulation cantilever 531, and the bigger vibrating core 5321 of natural resonance frequency is more Close to the frequency modulation joint 534, the smaller vibrating core 5321 of natural resonance frequency is further away from the frequency modulation joint 534.As shown in figure 14, when the energy collecting device is under a certain vibrational state, with the immediate vibration of extraneous vibration frequency Dynamic core A53210, amplitude is maximum, and the amplitude size of other vibrating cores is in normal distribution centered on the vibrating core A53210, I.e. centered on the vibrating core A53210, vibrating core positioned at the two sides the vibrating core A53210, amplitude tapers off trend. But since the frequency modulation cantilever 531 is obliquely installed, positioned at the speed of the vibrating core amplitude variations of the two sides the vibrating core A53210 Difference, height gap of the vibrating core A53210 between the side of the frequency modulation joint 534, each vibrating core compared with Greatly, and the height gap between side of the vibrating core A53210 far from the frequency modulation joint 534, each vibrating core compared with It is small.When the contact jaw 546 is contacted with the vibrating core 5321, the vibrating core 5321 is in contact condition and contactless state Between cyclic switching, the fixture block 5462 also switches being inserted into and leave between the limiting slot 533.When the vibrating core 5321 When being contacted with the contact jaw 546, the contact jaw 546 only effect by the vibrating core A53210, the contact jaw 546 It is jacked up by the vibrating core A53210, the vibrating core A53210 is caught in the tooth socket 5463.With the continuous progress of vibration, When extraneous vibration frequency is lower, since the eigentone of the vibrating core far from the frequency modulation joint 534 is less than close The eigentone of the vibrating core of the frequency joint 534, therefore, the vibration of the vibrating core far from the frequency modulation joint 534 Dynamic frequency is closer to extraneous vibration frequency, and the amplitude of the vibrating core far from the frequency modulation joint 534 is larger.Such as Figure 15- Shown in 16, the amplitude of vibrating core B53211 is maximum at this time, described to connect when the vibrating core 5321 is contacted with the contact jaw 546 The only effect by the vibrating core B53211 of contravention 546, the tooth socket 5463 on the contact jaw 546 with vibrating core When B53211 is contacted, by the blocking of 5327 side wall of the groove on the vibrating core B53211, the tooth socket 5463 tends to Be caught in the centre of the groove 5327, so the contact jaw 546 generated under the forcing of 5327 side wall of groove it is micro- Small transverse shifting, so that the tooth socket 5463 on the contact jaw 546 is caught in the groove on the vibrating core 5321 In 5327；Similarly, with the progress of vibration, the contact jaw 546 is constantly produced to the direction far from the frequency modulation joint 534 Raw transverse shifting so that the self feed back component 54 follow the movement of the contact jaw 546 and on the cantilever beam 521 It is mobile, change position of the self feed back component 54 on the cantilever beam 521, so that the self feed back component 54 is to far from institute The direction for stating mass block 522 is mobile, so that the moment of inertia of the cantilever beam 521 is elongated, and then reduces consolidating for the cantilever beam 521 There is vibration frequency, so that the intrinsic frequency of the cantilever beam 521 and extraneous vibration frequency are close.The present invention passes through the self feed back Component 54 realizes the cantilever beam 521 according to the variation of extraneous vibration frequency, adjusts itself intrinsic frequency in time, be allowed to The close effect of extraneous vibration frequency.Similarly, when extraneous vibration frequency is higher, due to close to the frequency modulation joint 534 Vibrating core eigentone be greater than far from the frequency joint 534 vibrating core eigentone, it is therefore, close The vibration frequency of the vibrating core of the frequency modulation joint 534 is closer to extraneous vibration frequency, close to the frequency modulation joint The amplitude of 534 vibrating core is larger, and the direction of the contact jaw 546 to the close frequency modulation joint 534 is mobile, and then drives The direction of the self feed back component to the close mass block 522 is mobile, so that the moment of inertia of the cantilever beam 521 shortens, into And the eigentone of the cantilever beam 521 is improved, until the intrinsic frequency of the cantilever beam 521 connects with extraneous vibration frequency Closely.

The present invention is by being arranged the energy collecting device, during the work time by the detection device used in extrusion equipment The vibration energy harvesting of generation gets up, and is further translated into electric energy use, on the one hand energy saving, on the other hand also real The self energizing of device is showed；Moreover, the energy collecting device provided by the invention passes through setting self feed back component, it being capable of basis Extraneous vibration frequency adjusts itself eigentone in time, it is made to reach unanimity with extraneous vibration frequency, more to generate Charge, and then obtain higher energy conversion efficiency.And the energy collecting device structure design is simply, reliable working performance, It installs and easy to use；

Embodiment two

Different from embodiment one, as shown in figure 17, contact portion described in the present embodiment is set as protrusion 5328, in the vibration Core 5321 is arranged described raised 5328 on the end face of the electrotransformation component 52, and raised 5328 shape is triangle Or it is arc-shaped, protrusion 5328 described in the present embodiment is preferably arranged to arc-shaped.When the contact jaw 546 and the vibrating core When 5321 contact, the biggish vibrating core C53212 of amplitude can jack up the contact jaw 546, when adjacent vibrating core D53213 shakes Width increase when, active force of the contact jaw 546 by the vibrating core D53213, on the contact jaw 546 described in The side wall of tooth socket 5463 is upward by the vibrating core D53213's so that the tooth socket 5463 centre tend to The vibrating core D53213 contact is so gone down so that the contact jaw 546 generates transverse shifting, the contact jaw 546 It is constantly mobile to the biggish vibrating core direction of amplitude, until the tooth socket 5463 connects with the maximum vibrating core 5321 of amplitude When touching, the contact jaw 546 is no longer moved.

Upward described raised 5328 are set on the top of the vibrating core 5321 in the present embodiment, by the protrusion 5328 contact generation squeezing action with 5463 side wall of tooth socket, and the vibrating core 5321 is forced to tend to 5463 center of tooth socket Position, so that the contact jaw 546 generates transverse shifting, since the groove width of the tooth socket 5463 is compared to the groove 5327 can be arranged in a big way so that the range that is contacted with the side wall of the tooth socket 5463 of the vibrating core 5321 compared with Greatly, and then increase the distance of 546 transverse shifting of contact jaw, reducing the contact jaw 546, to be moved to amplitude maximum described The time of 5321 position of vibrating core, and then improve the adjustment speed of the self feed back component 54.

The foregoing is merely presently preferred embodiments of the present invention, is merely illustrative for the purpose of the present invention, and not restrictive 's.Those skilled in the art understand that in the spirit and scope defined by the claims in the present invention many changes can be carried out to it, It modifies or even equivalent, but falls in protection scope of the present invention.

Claims (10)

1. a kind of adjustable twin-screw extrusion unit, which is characterized in that including cylinder and temperature control system, be provided in the cylinder First screw rod and the second screw rod, first screw rod engage connection with second screw rod, and the temperature control system includes temperature inspection Device is surveyed, energy collecting device is arranged in the cylinder, and on the temperature-detecting device in the temperature-detecting device setting, It is used for collecting the vibrational energy of the temperature-detecting device generation and being translated into electric energy for the temperature-detecting device.

2. adjustable twin-screw extrusion unit as described in claim 1, which is characterized in that the energy collecting device includes frame Body, electrotransformation component, fm components and self feed back component, the framework is horizontally set on the temperature-detecting device, described Electrotransformation component and the fm components are separately positioned on the upper and lower surfaces of the framework, and the self feed back component is arranged in institute It states on electrotransformation component, and is contacted with the fm components.

3. adjustable twin-screw extrusion unit as claimed in claim 2, which is characterized in that the electrotransformation component includes cantilever The upper surface of the framework is arranged in " ten " font for beam and mass block, the cantilever beam, and the mass block setting is described outstanding The centre of arm beam.

4. adjustable twin-screw extrusion unit as claimed in claim 3, which is characterized in that the cantilever beam includes from top to bottom The first metal layer, piezoelectric thin film layer, second metal layer and substrate.

5. adjustable twin-screw extrusion unit as claimed in claim 2, which is characterized in that the fm components include that frequency modulation is outstanding The lower surface of the framework is arranged in arm, frequency modulation unit and limiting slot, the frequency modulation cantilever, and, institute symmetrical with the cantilever beam It states frequency modulation unit to be sequentially arranged on the frequency modulation cantilever, the limiting slot is arranged in the frequency modulation unit two sides.

6. adjustable twin-screw extrusion unit as claimed in claim 5, which is characterized in that the frequency modulation cantilever is along the frequency modulation Cantilever centre tilts 5 ° -10 ° to close to electrotransformation component direction to the framework.

7. adjustable twin-screw extrusion unit as claimed in claim 5, which is characterized in that the frequency modulation unit includes vibrating core And the chamber for wrapping up the vibrating core, the upper and lower ends of the chamber open up respectively pass through for the vibrating core it is pre- It boxes out；The upper and lower ends of the vibrating core are provided with limited block, are provided with contact portion on the top end face of the vibrating core, described Contact portion and the self feed back component touch.

8. adjustable twin-screw extrusion unit as claimed in claim 7, which is characterized in that the contact portion includes groove or convex It rises, the shape of the protrusion is arc-shaped or triangle.

9. adjustable twin-screw extrusion unit as claimed in claim 2, which is characterized in that the self feed back component is by first Drop portion, first horizontal portion, the second drop portion, the second horizontal part and third drop portion successively end to end composition entirety be in question mark shape Component.

10. adjustable twin-screw extrusion unit as claimed in claim 9, which is characterized in that the upper end of the self feed back component It is connect with the cantilever beam, the lower end of the self feed back component is provided with contact jaw, and the contact jaw includes notch and tooth socket, institute Notch to be stated to be inverted U shape, the two sides of the notch are connect with the limiting slot, and the bottom surface of the notch is uniformly arranged several tooth sockets, The cross sectional shape of the tooth socket is triangle.