CN207462719U - A kind of ratio injection device - Google Patents
A kind of ratio injection device Download PDFInfo
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- CN207462719U CN207462719U CN201721492361.8U CN201721492361U CN207462719U CN 207462719 U CN207462719 U CN 207462719U CN 201721492361 U CN201721492361 U CN 201721492361U CN 207462719 U CN207462719 U CN 207462719U
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- injection
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- nut
- servo motor
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Abstract
The utility model discloses a kind of ratio injection device, including：First injection mechanism, including the first screw, the first servo motor, the first nut and the first injection cylinder；Second injection mechanism, including the second screw, the second servo motor, the second nut and the second injection cylinder；And control mechanism, including displacement sensor or encoder and controller.The first injection mechanism of the utility model rotates the first nut axial linear movement of control to realize the injection of the first injection cylinder by the first screw, its injection rate can be obtained according to the turnning circle that the displacement of displacement sensor or encoder measure, and according to above-mentioned displacement or turnning circle, controller can control the turnning circle of the second servo motor of the second injection mechanism, and then control the injection rate of the second injection cylinder, which ensure that the injection rate of the second injection cylinder and the injection rate of the first injection cylinder are injected by setting ratio, and the injection rate of the second injection cylinder can be adjusted as needed and is injected with adapting to different ratios.
Description
Technical field
The utility model is related to injection device, more particularly, to a kind of ratio injection device.
Background technology
In silica gel production process, need in colloid and mill base by a certain percentage injecting mixer, after mixing
The color of the silica gel of formation will not be too deep or excessively shallow.At present, two injection cylinders that internal diameter is different are set, this two are injected cylinder more
Internal diameter meets the proportion requirement of setting, and the mode of two injection cylinder simultaneous implantations is then used to be led to ensure its injection ratio
Each silica gel is caused to need a kind of corresponding injection device, when the colloid and mill base ratio of this kind of silica gel adjust, then
Injection device can not be applicable in.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical deficiencies, propose a kind of ratio injection device, solve existing skill
Injection device can not adapt to the colloid of different proportion and accurate the technical issues of injecting of mill base in art.
To reach above-mentioned technical purpose, the technical solution of the utility model provides a kind of ratio injection device, including：
First injection mechanism, the first servo motor, a set of including the first screw, a driving first screw rotation
It is arranged set on first screw and with the first nut of first wire rod thread cooperation and one along the first screw length direction
And the first injection cylinder that tailpiece of the piston rod is connect with the first nut；
Second injection mechanism, the second servo motor, a set of including the second screw, a driving second screw rotation
It is arranged set on second screw and with the second nut of second wire rod thread cooperation and one along the second screw length direction
And the second injection cylinder that tailpiece of the piston rod is connect with the second nut；And
Control mechanism is used including one for detecting the first nut along the displacement sensor of the first screw move distance or one
In the encoder for detecting the first servo motor turnning circle and the controller of the number of turns of control the second servo motor rotation.
Compared with prior art, the first injection mechanism of the utility model rotates control the first nut axial direction by the first screw
To realize the injection of the first injection cylinder, injection rate can measure linear motion according to the displacement of displacement sensor or encoder
Turnning circle obtain, and according to above-mentioned displacement or turnning circle, controller can control the second servo electricity of the second injection mechanism
The turnning circle of machine, and then the injection rate of the second injection cylinder is controlled, which ensure that the injection rate of the second injection cylinder and the first injection
The injection rate of cylinder is injected by setting ratio, and can be adjusted the injection rate of the second injection cylinder as needed and be noted with adapting to different ratios
Enter.
Description of the drawings
Fig. 1 is a kind of attachment structure schematic diagram of embodiment of the ratio injection device of the utility model；
Fig. 2 is the attachment structure schematic diagram of the another embodiment of the ratio injection device of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1 and Figure 2, the utility model provides a kind of ratio injection device, including the first injection mechanism 1, second
Injection mechanism 2, control mechanism 3 and ascending pipe 4, when the present embodiment injects, ascending pipe 4 can be connect with mixer or blender, and
Colloid is first injected into mixer or blender by ascending pipe 4 from the first injection mechanism 1, control mechanism 3 can measure it in real time
Injection rate, and the injection rate of mill base injected according to its second injection mechanism of the controlling of injecting quantity 2 into mixer or blender,
The colloid of arbitrary proportion and mill base injection can be achieved.
The first injection mechanism of the present embodiment 1 includes the first screw 11, one and drives the first of the rotation of the first screw 11 to watch
Take motor 12, one be sheathed on first screw 11 and with the first nut 13 and one along of 11 thread fitting of the first screw
The first injection cylinder 14 that one screw, 11 length direction is arranged and tailpiece of the piston rod is connect with the first nut 13, passes through the first servo electricity
Machine 12 drives the first screw 11 to rotate so that the first nut 13 is axial for linear motion along the first screw 11, and then drives first
The tailpiece of the piston rod movement of cylinder 14 is injected, the colloid in the cylinder body of the first injection cylinder 14 is injected, passes through the first injection cylinder 14
It with being arranged in parallel for the first screw 11, and is driven using the thread fiting mode of the first screw 11 and the first nut 13, favorably
In the precision for improving driving, and then the precision measured conducive to raising subsequent displacements sensor and encoder.
Second servo motor 22 of second injection mechanism 2 including the second screw 21, one driving rotation of the second screw 21,
One is sheathed on second screw 21 and with the second nut 23 of 21 thread fitting of the second screw and one along the second screw 21
The second injection cylinder 24 that length direction is arranged and tailpiece of the piston rod is connect with the second nut 23, the injection driving of the first injection mechanism 1
Mode and the first injection mechanism 1 are essentially identical.
Moreover, for the ease of injecting the control of ratio, the present embodiment the first injection mechanism 1 and the second injection mechanism 2 it is each
A equal model of component is identical, such as the first servo motor 12 and the second servo motor 22, first injection 14 and second note of cylinder
Enter cylinder 24, the first screw 11 and the setting of 21 model all same of the second screw, you can by the outer of the first screw 11 and the second screw 21
Diameter, screw pitch, the setting of length all same.
Control mechanism 3 include one for detect the first nut 13 along 11 move distance of the first screw displacement sensor 31 or
One for the number of turns of control the second servo motor 22 rotation of encoder 32 and one of detection 12 turnning circle of the first servo motor
Controller 33.Two ways can be used in the controller 33 of the present embodiment, and first way is：Controller 33 is impulse generator,
Or the pulse generating unit for certain number of pulses can be generated, as shown in Figure 1, when using displacement sensor 31, displacement passes
The distance of the first nut 13 of the detection movement in real time of sensor 31, the first nut 13 is thread fitting with screw, therefore displacement sensor 31
The number of turns of the distance of detection and the first servo motor 12 rotation necessarily satisfying for setting proportionate relationship (due to the first screw 11 and the
It is additionally provided with retarder certainly between one servo motor 12, and reducer input shaft and output shaft are also necessarily satisfying for certain ratio
Relationship), for convenience of description, the present embodiment (is subtracting so that 1mm/100 is enclosed as an example when the first servo motor 12 100 circle of rotation
Rotatable 10 circle of first screw 11 under the action of fast device), then corresponding first nut 13 moves 1mm along the first screw 11, and the
The number of turns of two servo motors 22 rotation and the umber of pulse of the pulse signal of the generation of impulse generator are also corresponding, such as arteries and veins
It rushes generator and often sends out 10000 umber of pulses, one circle of the second servo motor 22 rotation, therefore work as the detection that displacement sensor 31 detects
Distance be 5mm when, and demand first inject cylinder 14 inject colloid with second injection cylinder 24 injection mill base injection ratio
It is 1:1, then impulse generator can control to send out the pulse signal of 5000000 umber of pulses, can control 22 turns of the second servo motor
Dynamic 500 circle corresponding can drive the second nut 23 to move 5mm along the second screw 21, then the first injection cylinder 14 and second injects
For the piston rod movement of cylinder 24 apart from identical, then the colloid and the ratio of mill base injected is 1:1, if demand first is injected cylinder 14 and is injected
Colloid and second injection cylinder 24 inject mill base injection ratio be 1:2, then impulse generator can control to send out 10000000
The pulse signal of umber of pulse can control 1000 circle of the second servo motor 22 rotation, can 23 edge of the second nut of corresponding driving
Second screw 21 moves 10mm, then piston rod movement of the distance of the piston rod movement of the second injection cylinder 24 for the first injection cylinder 14
The half of distance, the then colloid and the ratio of mill base injected are 1:2, thus the present embodiment can be detected by displacement sensor 31 away from
From then controlling the number of pulses that sends out of impulse generator to control the number of turns that the second servo motor 22 rotates to control the first note
Enter the injection ratio that cylinder 14 and second injects cylinder 24；As shown in Fig. 2, when using encoder 32, then it directly measures first and watches
The turnning circle of motor 12 is taken, such as when the turnning circle that encoder 32 detects is 500 circle, if demand first injects 14 note of cylinder
The injection ratio of mill base that the colloid entered and the second injection cylinder 24 inject is 1:1, controllable impulse generator sends out 5000000 arteries and veins
The pulse signal of number is rushed, can control 500 circle of the second servo motor 22 rotation, then the first injection cylinder 14 and second injects cylinder 24
For piston rod movement apart from identical, then the colloid and the ratio of mill base injected is 1:1, if demand first injects the colloid that cylinder 14 injects
The injection ratio of mill base injected with the second injection cylinder 24 is 1:2, then impulse generator can control to send out 10000000 umber of pulses
Pulse signal, can control the second servo motor 22 rotation 1000 circle, then the second nut 23 along the second screw 21 move away from
Twice with a distance from being moved for the first nut 13 along the first screw 11, it can realize the colloid of injection and the injection ratio of mill base
It is 1:2.Aforesaid way controls the second servo motor 22 to rotate to realize that setting ratio inputs for artificial calculate, and control efficiency is low
Under, and manual operation is needed to configure, the operating error being also easy to produce.
Therefore the present embodiment preferably uses the second way：Controller 33 is set as microcontroller or PLC controller, in order to just
It is only illustrated by taking PLC controller as an example in explanation, when displacement sensor 31 or encoder 32 detect the first nut 13 or the
After the turnning circle of one servo motor 12, PLC controller obtains above-mentioned distance signal or lap signal, and carries out operation, then
The pulse signal of corresponding number of umber of pulse is sent out to control the corresponding number of turns of the second servo motor 22 rotation, is controlled by PLC
The computing module of device processed substitutes the artificial operation in first way, and the accuracy rate of control is high, error small, efficient.Its
In, when it is implemented, common 51 microcontroller can be used in microcontroller, the FX2N-60MT of Mitsubishi can be used in PLC controller.
In order to realize that the sustainability of the first injecting mechanism and the second injecting mechanism is injected, the first injection described in the present embodiment
Mechanism 1 further includes the first barrel 15, one connection the first barrel 15 and the first feed check valve 16 and one of the first injection cylinder 14 connects
First discharging check valve 17 of logical first injection cylinder 14 and ascending pipe 4, second injection mechanism 2 include the second barrel 25, one
It connects the second feed check valve 26 of the second barrel 25 and the second injection cylinder 24 and one connect second and inject cylinder 24 and ascending pipe 4
Second discharging check valve 27.After the first injection mechanism 1 and the second injection mechanism 2 complete injection, the first servo electricity can be passed through
Commutation rotation the first nut 13 of control of 12 and second servo motor 22 of machine and the second nut 23 reset, in order to second of note
Enter.First injection mechanism 1 realizes injection and charging especially by the first feed check valve 16 and the first discharging check valve 17, works as note
Fashionable, the piston of the first injection cylinder 14 moves downward, 16 one-way sealing of the first feed check valve, the colloid in the first injection cylinder 14
Enter ascending pipe 4 via the first discharging check valve 17, and when charging, the piston upwards of the first injection cylinder 14, cylinder body
Interior generation negative pressure, the first discharging 17 one-way sealing of check valve, colloid in the first barrel 15 via the first feed check valve 16 into
In the cylinder body for entering the first injection cylinder 14.The injection of second injection mechanism 2 and the first injection mechanism 1, fill process are essentially identical, no
It is described in detail.
Compared with prior art, the first injection mechanism of the utility model 1 rotates the first nut of control by the first screw 11
13 axial linear movements to realize the injection of the first injection cylinder 14, injection rate can according to the displacement that displacement sensor 31 measures or
The turnning circle that encoder 32 measures obtains, and according to above-mentioned displacement or turnning circle, controller 33 can control the second injector
The turnning circle of second servo motor 22 of structure 2, and then the injection rate of the second injection cylinder 24 is controlled, which ensure that the second injection cylinder
24 injection rate and the injection rate of the first injection cylinder 14 are injected, and can adjust the second injection cylinder 24 as needed by setting ratio
Injection rate is injected with adapting to different ratios.
Specific embodiment of the present utility model described above does not form the restriction to scope of protection of the utility model.
The various other corresponding changes and deformation that any technical concept according to the present utility model is made, should be included in this practicality
In novel scope of the claims.
Claims (3)
1. a kind of ratio injection device, which is characterized in that including：
First injection mechanism is sheathed on including the first screw, the first servo motor of a driving the first screw rotation, one
First screw is simultaneously arranged and is lived along the first screw length direction with the first nut of first wire rod thread cooperation and one
The first injection cylinder that stopper rod end is connect with the first nut；
Second injection mechanism is sheathed on including the second screw, the second servo motor of a driving the second screw rotation, one
Second screw is simultaneously arranged and is lived along the second screw length direction with the second nut of second wire rod thread cooperation and one
The second injection cylinder that stopper rod end is connect with the second nut；And
Control mechanism is used to examine for detecting the first nut including one along the displacement sensor of the first screw move distance or one
Survey the encoder of the first servo motor turnning circle and the controller of the number of turns of control the second servo motor rotation.
2. ratio injection device according to claim 1, which is characterized in that the ratio injection device includes ascending pipe,
First injection mechanism further includes the first feed check valve and one of the first barrel, first barrel of connection and the first injection cylinder
First discharging check valve of the first injection cylinder of connection and ascending pipe, second injection mechanism include the second barrel, a connection the
Two barrels and the second feed check valve of the second injection cylinder and the second discharging check valve of a second injection cylinder of connection and ascending pipe.
3. ratio injection device according to claim 2, which is characterized in that the controller is microcontroller, PLC controller
Or impulse generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721492361.8U CN207462719U (en) | 2017-11-08 | 2017-11-08 | A kind of ratio injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721492361.8U CN207462719U (en) | 2017-11-08 | 2017-11-08 | A kind of ratio injection device |
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| Publication Number | Publication Date |
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| CN207462719U true CN207462719U (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721492361.8U Active CN207462719U (en) | 2017-11-08 | 2017-11-08 | A kind of ratio injection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202527A (en) * | 2019-06-14 | 2019-09-06 | 南昌矿山机械有限公司 | Single-Cylinder Hydraulic Cone Crusher upper spider attaching/detaching apparatus and method |
-
2017
- 2017-11-08 CN CN201721492361.8U patent/CN207462719U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110202527A (en) * | 2019-06-14 | 2019-09-06 | 南昌矿山机械有限公司 | Single-Cylinder Hydraulic Cone Crusher upper spider attaching/detaching apparatus and method |
| CN110202527B (en) * | 2019-06-14 | 2023-06-16 | 南昌矿机集团股份有限公司 | Device and method for disassembling and assembling upper frame of single-cylinder hydraulic cone crusher |
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