CN206152755U - Stirrer - Google Patents

Abstract

The utility model discloses a stirrer has solved the feeder hopper and often can plug up the filter screen because of gelosis, impurity, leads to stirrer's feeder hopper reinforced slow, or even unable reinforced problem, and its technical scheme main points are: including feeder hopper, filter screen, connecting piece, installation cover, mounting, pressure measurement, still include first pressure comparer, first pressure standard apparatus, a pressure control device, first pressure final controlling element, when a first pressure comparer received pressure detection signal is greater than first pressure base mark signal, the first comparison signal of first pressure comparer output high level, pressure control device control first pressure final controlling element vibrate to the feeder hopper with the realization, the utility model discloses a stirrer when placing the raw and other materials of basis weight volume on the filter screen, will make the feeder hopper oscillation generation for raw and other materials pass through the filter screen and get into the feeder hopper, reduce the condition of plugging up the filter screen because of gelosis, impurity.

Description

A kind of blender

Technical field

This utility model is related to a kind of mixing plant, more particularly to a kind of blender.

Background technology

Blender is that a kind of blade-carrying axle rotates in cylinder or groove, and plurality of raw materials is stirred into mixing, is allowed to Become the machine of a kind of mixture or suitable denseness.Blender is mixer, because the usual effect of mixer is exactly to mix All kinds of dry powder and mortars are stirred, therefore is commonly called as blender.

In prior art, the such as Chinese patent of Publication No. CN202742564U, a kind of epoxy-plastic packaging material production is with horizontal Blender, including horizontal mixer body, horizontal mixer body is provided with charging aperture, and fixed gear is provided with below charging aperture Net, fixed backstop is by some suspension rods of setting, hanging on its periphery on the edge of charging aperture.This utility model is by solid Determine backstop to be filtered raw material, it is ensured that need the raw materials particles concordance of stirring, and the foreign body mixed in material Can in time find and remove, the quality of material is guaranteed, so as to improve the quality of product, and obtain production efficiency Very big raising.

The feed hopper of blender generally arranges drainage screen to prevent lump, impurity from entering on feed hopper, although drainage screen Setting can effectively prevent lump, impurity from entering feed hopper, but feed hopper is often because lump, impurity block up drainage screen Firmly, the feed hopper for causing blender feeds slowly, or even cannot feed, also room for improvement.

Utility model content

The purpose of this utility model is to provide a kind of blender, when the raw material of constant weight is placed with drainage screen, Feed hopper will be made to produce vibration, accelerated raw material and feed hopper is entered by drainage screen, be reduced because lump, impurity are by drainage screen Situation about blocking.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of blender, including feed hopper, are provided with the drainage screen for filtering lump, impurity, institute on the feed hopper The both sides for stating drainage screen are fixedly connected with connector, and installation set is arranged with the connector, and the feed hopper is provided with for peace The fixture of encapsulation pivot joint, is additionally provided with the fixture and the pressure-detecting device being connected is contradicted with installation set, also including first Pressure comparison means, first pressure standard apparatuses, first pressure control device, first pressure performs device；

First pressure detection means, for detecting the pressure physical quantity between installation set and pressure-detecting device and being converted to First pressure detection signal；

First pressure comparison means, is coupled to first pressure detection means to receive first pressure detection signal and export One pressure comparison signal；

First pressure standard apparatuses, for providing the first pressure corresponding with minimum pressure to first pressure comparison means And device signal；

First pressure control device, is coupled to first pressure comparison means to receive the first comparison signal and export the first pressure Force control signal；

First pressure performs device, be coupled to first pressure control device with receive first pressure control signal and in response to First pressure control signal is realizing vibrating feed hopper；

When the first pressure detection signal that the first pressure comparison means is received is more than first pressure reference signal, The first pressure comparison means exports the first comparison signal of high level, and the first pressure control device controls first pressure Performs device is realizing for feed hopper vibrates.

Using such scheme, drainage screen carries out pivot joint by connector and feed hopper, it is to avoid the loss of drainage screen, while peace The setting of encapsulation effectively protects connector, improves the service life of connector, and pressure-detecting device is used for having detected whether Raw material is put on drainage screen, while first pressure performs device is used for vibrating feed hopper, improves the charging of blender The pan feeding speed of bucket, work efficiency is more increased.

Preferably, the first pressure control device includes first pressure on-off circuit, first pressure triggers circuit；

First pressure on-off circuit, is coupled to first pressure comparison means to receive first pressure comparison signal and export One pressure switch signal；

First pressure triggers circuit, is coupled to first pressure on-off circuit to receive first pressure switching signal and export One pressure controling signal is to first pressure performs device.

Using such scheme, first pressure on-off circuit in circuit as on-off action, when first pressure comparison means During the first pressure comparison signal of output high level, first pressure on-off circuit will be turned on rapidly, and response speed is fast, and be coordinated First triggers circuit can reach the effect of control first pressure performs device, practical.

Preferably, the first pressure control device also includes being coupled to first pressure on-off circuit to receive the first pressure Power switching signal simultaneously exports the first delay circuit of the first time delayed signal, and the first pressure triggers circuit is coupled to the first time delay Circuit is receiving the first time delayed signal and export first pressure control signal to first pressure performs device.

Using such scheme, the setting of the first delay circuit, when raw material is placed on drainage screen, once reach startup Weight also will not start moment, but after weight is continued for some time, just can work, it is to avoid the thing of mistake is temporarily placed When on drainage screen, the situation of vibration is produced, improve the precision of detection.

Preferably, the first pressure control device is also coupled to the work shape for indicating first pressure control device First instruction device of state.

Using such scheme, the setting of the first instruction device, staff can be allow in real time to first pressure control The working condition of device is judged, while when blender is damaged, maintainer can be according to the instruction of the first instruction device Situation, tentatively judges the quality of first pressure control device, improves the efficiency of maintenance.

Preferably, the first pressure performs device includes that first performs on-off circuit, the first vibrator；

First performs on-off circuit, is coupled to first pressure control device to receive first pressure control signal and export the One performs switching signal；

First vibrator, is coupled to the first execution on-off circuit to receive the first execution switching signal and hold in response to first Row switching signal is realizing vibrating feed hopper.

Using such scheme, first performs on-off circuit in circuit as on-off action, when first pressure control device During the first pressure control signal of output high level, the first execution on-off circuit will be turned on rapidly, and response speed is fast, and coordinates The first vibrator on the wall of feed hopper side, to feed hopper and drainage screen vibration is produced, and improves filter efficiency, practicality By force.

Preferably, also include second pressure comparison means, second pressure standard apparatuses, second pressure control device, the Two pressure performs devices；

Second pressure comparison means, is coupled to first pressure detection means to receive first pressure detection signal and export Two pressure comparison signals；

Second pressure standard apparatuses, for providing the second pressure corresponding with minimum pressure to second pressure comparison means Reference signal；

Second pressure control device, is coupled to second pressure comparison means to receive the second comparison signal and export the second pressure Force control signal；

Second pressure performs device, be coupled to second pressure control device with receive second pressure control signal and in response to Second pressure control signal is realizing vibrating feed hopper；

When the second pressure detection signal that the second pressure comparison means is received is more than second pressure reference signal, The second pressure comparison means exports the second comparison signal of high level, and the second pressure control device controls second pressure Performs device is realizing for feed hopper vibrates.

Using such scheme, pressure-detecting device is used for having detected whether that raw material is put on drainage screen, while first pressure Performs device is used for vibrating feed hopper, and second pressure device also vibrates to feed hopper, uses cooperatively, and works as weight Startup first pressure performs device is reached without reaching during startup second pressure performs device, then only first pressure performs dress Put and feed hopper is vibrated, according to the weight being placed on the drainage screen in feed hopper, flexibly start first pressure and perform dress Put, second pressure performs device, improve the pan feeding speed of the feed hopper of blender, work efficiency is more increased, and is rationally started, section The about energy.

Preferably, the second pressure control device includes second pressure on-off circuit, second pressure triggers circuit；

Second pressure on-off circuit, is coupled to second pressure comparison means to receive second pressure comparison signal and export Two pressure switch signals；

Second pressure triggers circuit, is coupled to second pressure on-off circuit to receive second pressure switching signal and export Two pressure controling signals are to second pressure performs device.

Using such scheme, second pressure on-off circuit in circuit as on-off action, when second pressure comparison means During the second pressure comparison signal of output high level, second pressure on-off circuit will be turned on rapidly, and response speed is fast, and be coordinated Second triggers circuit can reach the effect of control second pressure performs device, practical.

Preferably, the second pressure control device also includes being coupled to second pressure on-off circuit to receive the second pressure Power switching signal simultaneously exports the second delay circuit of the second time delayed signal, and the second pressure triggers circuit is coupled to the second time delay Circuit is receiving the second time delayed signal and export second pressure control signal to second pressure performs device.

Using such scheme, the setting of the second delay circuit, when raw material is placed on drainage screen, once reach startup Weight also will not start moment, now first pressure performs device may proceed to start, after weight is continued for some time, just meeting Work together with second pressure performs device, flexible Application not only increases the precision of detection, additionally it is possible to big according to weight It is little, oscillation intensity is automatically adjusted, it is practical.

Preferably, the second pressure control device is also coupled to the work shape for indicating second pressure control device Second instruction device of state.

Using such scheme, the setting of the second instruction device, staff can be allow in real time to second pressure control The working condition of device is judged, while when blender is damaged, maintainer can be according to the instruction of the second instruction device Situation, tentatively judges the quality of second pressure control device, is used together with the first instruction device, improves the efficiency of maintenance.

Preferably, the second pressure performs device includes that second performs on-off circuit, the second vibrator；

Second performs on-off circuit, is coupled to second pressure control device to receive second pressure control signal and export the Two perform switching signal；

Second vibrator, is coupled to the second execution on-off circuit to receive the second execution switching signal and hold in response to second Row switching signal is realizing vibrating feed hopper.

Using such scheme, second performs on-off circuit in circuit as on-off action, when second pressure control device During the second pressure control signal of output high level, the second execution on-off circuit will be turned on rapidly, and response speed is fast, and coordinates The second vibrator on the wall of feed hopper side, to feed hopper and drainage screen vibration is produced, if only using the first vibrator, Then can not be judged that vibrating effect is limited according to the raw material being placed on drainage screen, once raw material is excessive, will be reduced The effect of filtration, and the second vibrator coordinates first to press vibrator to be used together, what the weight of raw material was judged is more accurate, When raw material increases, the first vibrator and the second vibrator will be made to work together, improve filter efficiency, it is practical.

In sum, this utility model has the advantages that：

1st, the setting of drainage screen pivot joint, prevents drainage screen from losing, while the setting of installation set improves the use of drainage screen Life-span；

2nd, the first vibrator is used together with the second vibrator, automatically adjusts oscillation intensity, improves filter effect, saves energy Source.

Description of the drawings

Fig. 1 is the structural representation of blender；

Fig. 2 is the circuit theory diagrams in embodiment one；

Fig. 3 is the circuit theory diagrams in embodiment two.

In figure：1st, feed hopper；2nd, drainage screen；3rd, connector；4th, installation set；5th, fixture；6th, pressure-detecting device；7th, One pressure comparison means；8th, first pressure standard apparatuses；9th, first pressure control device；10th, first pressure performs device；11、 First pressure on-off circuit；12nd, first pressure triggers circuit；13rd, the first delay circuit；14th, the first instruction device；15th, first Perform on-off circuit；16th, the first vibrator；17th, second pressure comparison means；18th, second pressure standard apparatuses；19th, the second pressure Force control device；20th, second pressure performs device；21st, second pressure on-off circuit；22nd, second pressure triggers circuit；23rd, Two delay circuits；24th, the second instruction device；25th, second on-off circuit is performed；26th, the second vibrator.

Specific embodiment

This utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment one：

As shown in Figure 1, 2, a kind of blender disclosed in the present embodiment, including feed hopper 1, feed hopper 1 is in reverse pyramid Shape is arranged, and the drainage screen 2 for filtering lump, impurity is provided with feed hopper 1, and drainage screen 2 is provided with two-layer, and adjacent mistake It is fixedly connected using the means of welding between filter screen 2, the both sides of drainage screen 2 are fixedly connected with the connector 3 of cylinder, even The installation set 4 of annular is arranged with fitting 3, the lateral wall of connector 3 contradicts with the medial wall of installation set 4 and is connected, feed hopper 1 The fixture 5 for the pivot joint of installation set 4 is provided with, fixture 5 is arranged on the both sides of feed hopper 1, and fixture 5 is provided with two, It is additionally provided with fixture 5 and the pressure-detecting device 6 being connected is contradicted with installation set 4, the first vibrator 16 is arranged on the one of feed hopper 1 Side.

As shown in Fig. 2 first pressure detection means 6 is used to detect the pressure thing between installation set 4 and pressure-detecting device 6 First pressure detection signal is measured and be converted to reason；First pressure detection means 6 includes resistance RF, resistance R4, and resistance RF is just to be Several force sensing resistances, and the model 1210 of resistance RF, resistance R4 is divider resistance, and one end of resistance RF is connected with power supply VCC, The other end of resistance RF is connected with one end of resistance R4, and the other end of resistance R4 is connected with ground GND.

As shown in Fig. 2 first pressure comparison means 7 is coupled to first pressure detection means 6 to receive first pressure detection Signal simultaneously exports first pressure comparison signal；First pressure comparison means 7 be comparator N1, model LM324 of comparator N1. The inverting input of comparator N1 is connected with the junction point of resistance RF, resistance R4.

As shown in Fig. 2 first pressure standard apparatuses 8 are used to provide relative with minimum pressure to first pressure comparison means 7 The first pressure answered and device signal；First pressure standard apparatuses 8 include resistance R1, resistance R2, resistance R3, one end of resistance R1 It is connected with power supply VCC, the other end of resistance R1 one end respectively with resistance R2, one end of resistance R3 are connected, and resistance R2's is another End is connected with ground GND, and the other end of resistance R3 is connected with the in-phase input end of comparator N1.

As shown in Fig. 2 first pressure control device 9 is coupled to first pressure comparison means 7 to receive the first comparison signal And export first pressure control signal；First pressure control device include first pressure on-off circuit 11, the first delay circuit 13, the One pressure activated circuit 12.First instruction device 14 is LED 1, and first pressure on-off circuit 11 is audion Q1, Audion Q1 for NPN type audion, and model 2SC4019, the first delay circuit 13 is time relay KT1, the first pressure Power triggers circuit 12 is relay KM1.The base stage of audion Q1 is connected with the outfan of comparator N1, the emitter stage of audion Q1 Be connected with ground GND, the colelctor electrode of audion Q1 is connected with one end of time relay KT1, the other end of time relay KT1 with The negative electrode connection of LED 1, the anode of LED 1 is connected with power supply VCC, time relay normally opened contact One end of KT1-1 is connected with power supply VCC, and the other end of time relay normally opened contact KT1-1 connects with one end of relay KM1 Connect, the other end of relay KM1 is connected with ground GND.

As shown in Fig. 2 first pressure performs device 10 is coupled to first pressure control device 9 to receive first pressure control Signal and in response to first pressure control signal realizing vibrating feed hopper 1；First pressure performs device 10 includes the One performs control circuit, the first vibrator 16, and first performs control circuit includes resistance R5, audion Q2, and audion Q2 is NPN The audion of type, and model 2SC4019, model RB-02S082A of the first vibrator 16.Relay normally open contact KM1-1 One end be connected with power supply VCC, the other end of relay normally open contact KM1-1 is connected with one end of resistance R5, and resistance R5's is another One end is connected with the base stage of audion Q2, and the emitter stage of audion Q2 is connected with ground GND, and the colelctor electrode of audion Q2 shakes with first One end connection of dynamic device 16, the other end of the first vibrator 16 is connected with power supply VCC.

The course of work：

Drainage screen 2 is covered, is now covered by drainage screen 2 on the charge door of feed hopper 1, now when staff starts During charging, resistance RF starts detection, and with the increase of weight, increases the resistance value of itself, when comparator N1 receive the When one pressure detecting signal is less than first pressure benchmark value signal, comparator N1 exports low level first pressure comparison signal When, the base stage of audion Q1 received and be not turned on after low level signal, and time relay KT1 must not be electric, LED 1 Do not light, now time relay normally opened contact KT1-1 dead electricity disconnects, relay KM1 must not be electric, relay normally open contact KM1- 1 dead electricity disconnects, and audion Q2 is received after low level signal, and the first vibrator 16 does not work.

When the first pressure detection signal that comparator N1 is received is more than first pressure benchmark value signal, comparator N1 is defeated When going out the first pressure comparison signal of high level, the base stage of audion Q1 received and turned on after high level signal, the time relay KT1 obtains electric, and LED 1 lights, and after a period of time is postponed, time relay normally opened contact KT1-1 obtains electric closure, Relay KM1 obtains electric, and relay normally open contact KM1-1 obtains electric closure, and audion Q2 is received after the signal of high level, and first shakes Dynamic device 16 is started working, and feed hopper 1 and drainage screen 2 are vibrated.

Embodiment two：

As shown in Figure 1,3, the second vibrator 26 is arranged on the opposite side of feed hopper 1, the first vibrator 16 and the second vibration Device 26 is oppositely arranged, increased on the basis of embodiment one second pressure comparison means 17, second pressure standard apparatuses 18, Two pressure control devices 19, second pressure performs device 20, the second instruction device 24.

As shown in figure 3, second pressure comparison means 17 is coupled to first pressure detection means 6 to receive first pressure detection Signal simultaneously exports second pressure comparison signal；Second comparator device be comparator N2, model LM324 of comparator N2.Than Inverting input compared with device N2 is connected with the inverting input of comparator N1.

As shown in figure 3, second pressure standard apparatuses 18 are used to be provided and minimum pressure phase to second pressure comparison means 17 Corresponding second pressure reference signal；Default second pressure reference signal is more than first pressure reference signal, second pressure base Standard apparatus 18 include resistance R6, resistance R7, resistance R8.One end of resistance R7 is connected with power supply VCC, the other end difference of resistance R7 One end, one end of resistance R8 with resistance R6 is connected, and the other end of resistance R8 be connected with ground GND, the other end of resistance R6 and than In-phase input end connection compared with device N2.

As shown in figure 3, second pressure control device 19 is coupled to second pressure comparison means 17 compares letter to receive second Number and export second pressure control signal；Second pressure control device 19 is touched including second pressure on-off circuit 21, second pressure Power Generation Road 22, the second delay circuit 23, second pressure on-off circuit 21 is audion Q3, and audion Q3 is the audion of NPN type, And model 2SC4019, second pressure triggers circuit 22 is relay KM2, and the second delay circuit 23 is time relay KT2, Second instruction device 24 is LED 2.The outfan of comparator N2 is connected with the base stage of audion Q3, audion Q3 Emitter stage with ground GND be connected, the colelctor electrode of audion Q3 is connected with one end of time relay KT2, time relay KT2's The other end is connected with the negative electrode of LED 2, and the anode of LED 2 is connected with power supply VCC, the time relay One end of normally opened contact KT2-1 is connected with power supply VCC, and the other end of time relay normally opened contact KT2-1 is with relay KM2's One end connects, and the other end of relay KM2 is connected with ground GND.

As shown in figure 3, second pressure performs device 20 is coupled to second pressure control device 19 to receive second pressure control Signal processed and in response to second pressure control signal realizing vibrating feed hopper 1；Second pressure performs device 20 includes Second vibrator 26, second performs on-off circuit 25, and second performs on-off circuit 25 includes resistance R9, audion Q4, audion Q4 for NPN type audion, and model 2SC4019, model RB-02S082A of the second vibrator 26.Relay normally open is touched One end of point KM2-1 is connected with power supply VCC, and the other end of relay normally open contact KM2-1 is connected with one end of resistance R9, resistance The other end of R9 is connected with the base stage of audion Q4, and the emitter stage of audion Q4 be connected with ground GND, the colelctor electrode of audion Q4 and One end connection of the second vibrator 26, the other end of the second vibrator 26 is connected with power supply VCC.

The course of work：

Drainage screen 2 is covered, is now covered by drainage screen 2 on the charge door of feed hopper 1, now when staff starts During charging, resistance RF starts detection, and with the increase of weight, increases the resistance value of itself, when comparator N1 receive the When one pressure detecting signal is less than first pressure benchmark value signal, comparator N1 exports low level first pressure comparison signal When, the base stage of audion Q1 received and be not turned on after low level signal, and time relay KT1 must not be electric, LED 1 Do not light, now time relay normally opened contact KT1-1 dead electricity disconnects, relay KM1 must not be electric, relay normally open contact KM1- 1 dead electricity disconnects, and audion Q2 is received after low level signal, and the first vibrator 16 does not work simultaneously；Simultaneously comparator N2 connects The first pressure detection signal for receiving is less than second pressure benchmark value signal, and comparator N2 exports low level second pressure and compares During signal, the base stage of audion Q3 received and be not turned on after low level signal, and time relay KT2 must not be electric, light emitting diode LED2 does not light, and now time relay normally opened contact KT2-1 dead electricity disconnects, and relay KM2 must not be electric, relay normally open contact KM2-1 dead electricity disconnects, and audion Q4 is received after low level signal, and the second vibrator 26 does not work.

When the first pressure detection signal that comparator N1 is received is more than first pressure benchmark value signal, comparator N1 is defeated When going out the first pressure comparison signal of high level, the base stage of audion Q1 received and turned on after high level signal, the time relay KT1 obtains electric, and LED 1 lights, and after a period of time is postponed, time relay normally opened contact KT1-1 obtains electric closure, Relay KM1 obtains electric, and relay normally open contact KM1-1 obtains electric closure, and audion Q2 is received after the signal of high level, and first shakes Dynamic device 16 is started working, and feed hopper 1 and drainage screen 2 are vibrated；Now, if the first pressure that comparator N2 is received is examined Survey signal and be less than second pressure benchmark value signal, when comparator N2 exports low level second pressure comparison signal, audion Q3 Base stage receive and be not turned on after low level signal, time relay KT2 must not electricity, LED 2 do not light, now Time relay normally opened contact KT2-1 dead electricity disconnects, and relay KM2 must not be electric, and relay normally open contact KM2-1 dead electricity disconnects, Audion Q4 is received after low level signal, and the second vibrator 26 does not work.

When the first pressure detection signal that comparator N1 is received is more than first pressure benchmark value signal, comparator N1 is defeated When going out the first pressure comparison signal of high level, the base stage of audion Q1 received and turned on after high level signal, the time relay KT1 obtains electric, and LED 1 lights, and after a period of time is postponed, time relay normally opened contact KT1-1 obtains electric closure, Relay KM1 obtains electric, and relay normally open contact KM1-1 obtains electric closure, and audion Q2 is received after the signal of high level, and first shakes Dynamic device 16 is started working, and feed hopper 1 and drainage screen 2 are vibrated；Now, if the first pressure that comparator N2 is received is examined Survey signal and be more than second pressure benchmark value signal, when comparator N2 exports the second pressure comparison signal of high level, audion Q3 Base stage receive and turned on after low level signal, time relay KT2 obtains electric, and LED 2 lights, in one section of time delay After time, time relay normally opened contact KT2-1 obtains electric closure, and relay KM2 obtains electric, and relay normally open contact KM2-1 obtains electric Closure, audion Q4 is received after the signal of high level, and the second vibrator 26 is started working.With the starting of oscillation of the first vibrator 16 1 It is dynamic.

This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model Field technique personnel can make as needed the modification without creative contribution after this specification is read to the present embodiment, but As long as all being protected by Patent Law in right of the present utility model.

Claims (10)

1. a kind of blender, including feed hopper (1), is provided with the drainage screen for filtering lump, impurity on the feed hopper (1) (2), it is characterized in that：The both sides of the drainage screen (2) are fixedly connected with connector (3), and on the connector (3) installation is arranged with Set (4), the feed hopper (1) is provided with the fixture (5) for installation set (4) pivot joint, is additionally provided with and peace on the fixture (5) Encapsulation (4) contradicts the pressure-detecting device (6) of connection, also including first pressure comparison means (7), first pressure standard apparatuses (8), first pressure control device (9), first pressure performs device (10)；

First pressure detection means (6), for detecting the pressure physical quantity between installation set (4) and pressure-detecting device (6) simultaneously Be converted to first pressure detection signal；

First pressure comparison means (7), is coupled to first pressure detection means (6) to receive first pressure detection signal and export First pressure comparison signal；

First pressure standard apparatuses (8), for providing first pressure corresponding with minimum pressure to first pressure comparison means (7) Power and device signal；

First pressure control device (9), is coupled to first pressure comparison means (7) to receive the first comparison signal and export first Pressure controling signal；

First pressure performs device (10), is coupled to first pressure control device (9) to receive first pressure control signal and ring Should be in first pressure control signal realizing vibrating feed hopper (1)；

When the first pressure detection signal that the first pressure comparison means (7) receives is more than first pressure reference signal, The first pressure comparison means (7) exports the first comparison signal of high level, first pressure control device (9) control the One pressure performs device (10) is with realization for feed hopper (1) vibrates.

2. a kind of blender according to claim 1, is characterized in that：The first pressure control device (9) is including first Pressure switch circuit (11), first pressure triggers circuit (12)；

First pressure on-off circuit (11), is coupled to first pressure comparison means (7) to receive first pressure comparison signal and defeated Go out first pressure switching signal；

First pressure triggers circuit (12), is coupled to first pressure on-off circuit (11) to receive first pressure switching signal and defeated Go out first pressure control signal to first pressure performs device (10).

3. a kind of blender according to claim 2, is characterized in that：The first pressure control device (9) also includes coupling It is connected to first pressure on-off circuit (11) to receive first pressure switching signal and export the first time delay electricity of the first time delayed signal Road (13), the first pressure triggers circuit (12) is coupled to the first delay circuit (13) to receive the first time delayed signal and export First pressure control signal is to first pressure performs device (10).

4. a kind of blender according to claim 1, is characterized in that：The first pressure control device (9) has been also coupled to For indicating first instruction device (14) of the working condition of first pressure control device (9).

5. a kind of blender according to claim 1, is characterized in that：The first pressure performs device (10) is including first Perform on-off circuit (15), the first vibrator (16)；

First performs on-off circuit (15), is coupled to first pressure control device (9) to receive first pressure control signal and defeated Go out the first execution switching signal；

First vibrator (16), is coupled to the first execution on-off circuit (15) to receive the first execution switching signal and in response to One performs switching signal to realize vibrating feed hopper (1).

6. a kind of blender according to claim 1, is characterized in that：Also include second pressure comparison means (17), second Pressure reference device (18), second pressure control device (19), second pressure performs device (20)；

Second pressure comparison means (17), is coupled to first pressure detection means (6) to receive first pressure detection signal and defeated Go out second pressure comparison signal；

Second pressure standard apparatuses (18), for providing second corresponding with minimum pressure to second pressure comparison means (17) Pressure reference signal；

Second pressure control device (19), is coupled to second pressure comparison means (17) to receive the second comparison signal and export Two pressure controling signals；

Second pressure performs device (20), is coupled to second pressure control device (19) to receive second pressure control signal and ring Should be in second pressure control signal realizing vibrating feed hopper (1)；

When the second pressure detection signal that the second pressure comparison means (17) receives is more than second pressure reference signal, The second pressure comparison means (17) exports the second comparison signal of high level, second pressure control device (19) control Second pressure performs device (20) is with realization for feed hopper (1) vibrates.

7. a kind of blender according to claim 6, is characterized in that：The second pressure control device (19) is including second Pressure switch circuit (21), second pressure triggers circuit (22)；

Second pressure on-off circuit (21), is coupled to second pressure comparison means (17) to receive second pressure comparison signal and defeated Go out second pressure switching signal；

Second pressure triggers circuit (22), is coupled to second pressure on-off circuit (21) to receive second pressure switching signal and defeated Go out second pressure control signal to second pressure performs device (20).

8. a kind of blender according to claim 7, is characterized in that：The second pressure control device (19) also includes coupling It is connected to second pressure on-off circuit (21) to receive second pressure switching signal and export the second time delay electricity of the second time delayed signal Road (23), the second pressure triggers circuit (22) is coupled to the second delay circuit (23) to receive the second time delayed signal and export Second pressure control signal is to second pressure performs device (20).

9. a kind of blender according to claim 6, is characterized in that：The second pressure control device (19) has been also coupled to For indicating second instruction device (24) of the working condition of second pressure control device (19).

10. a kind of blender according to claim 6, is characterized in that：The second pressure performs device (20) includes Two perform on-off circuit (25), the second vibrator (26)；

Second performs on-off circuit (25), is coupled to second pressure control device (19) to receive second pressure control signal and defeated Go out the second execution switching signal；

Second vibrator (26), is coupled to the second execution on-off circuit (25) to receive the second execution switching signal and in response to Two perform switching signals to realize vibrating feed hopper (1).