CN208878514U - A kind of material device for rolling and molding of electrical-liquid control - Google Patents
A kind of material device for rolling and molding of electrical-liquid control Download PDFInfo
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- CN208878514U CN208878514U CN201821451746.4U CN201821451746U CN208878514U CN 208878514 U CN208878514 U CN 208878514U CN 201821451746 U CN201821451746 U CN 201821451746U CN 208878514 U CN208878514 U CN 208878514U
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Abstract
The utility model discloses a kind of material device for rolling and molding of electrical-liquid control, including feed system, roll-forming system and hydraulic system, feed system is located on roll-forming system, stirring and feed for material, hydraulic system are used to control the extrusion speed and pressure of roll-forming system.The feed system includes screw auger, and the feed bin, feed bin lid, the shaft coupling, motor that match with screw auger;The roll-forming system includes mobile compression roller, fixed press roller, rack, bearing, bearing block, shaft coupling and sliding rail;The hydraulic system is using the position synchronization control circuit of proportional servo valve control cylinder mode and the synchronous velocity control circuit of proportionality velocity modulation Valve-control hydraulic motor, two compression rollers realize synchronous rotation and constant extruding force, solves compression roller pressure transient during powder roll-forming, the problems such as revolving speed is asynchronous greatly improves the Forming Quality and production efficiency for improving material.
Description
Technical field
The invention belongs to non-slurry pelletizing technical fields, and in particular to a kind of material roll-forming dress of electrical-liquid control
It sets.
Background technique
Non-slurry pelletizing technology is that ideal structure and shape is made in material under the premise of not changing material physicochemical property,
Occur caking phenomenon in the process to prevent certain solid formations from generating, reduces the pollution of powder flying dust, reach the volume matter for increasing powder
Amount, facilitates the purpose of storage and transport, which is widely applied in industries such as chemical industry, medicine, food.Existing Granulation Equipments is often adopted
With single-acting power drive and the roll-forming working method of ordinary electromagnetic reversal valve control compression roller, i.e., is engaged and passed by gear
It is dynamic, by drive roll driving driven voller rotation, is controlled by ordinary electromagnetic reversal valve driving hydraulic cylinder and squeeze roller pressure and regulating roller
Between gap.Using gear transmission technology instantaneous transmission ratio inaccuracy, it will appear slight vibration when compression roller being caused to rotate, use is general
Electric change valve controls hydraulic cylinder technology, squeezes roller gap gap and accurately adjusts difficulty, and compression roller pressure transient, above-mentioned
These problems have seriously affected the Forming Quality and granulation efficiency of material.
Summary of the invention
The object of the present invention is to provide a kind of material device for rolling and molding of electrical-liquid control, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the technical solution adopted by the present invention is that being achieved: a kind of object of electrical-liquid control
Expect that device for rolling and molding includes feed system, formation system and hydraulic system, it is characterised in that:
The feed system is located on roll-forming system, including shaft coupling A, feed bin, screw auger, feed bin lid, electricity
Motivation, stirring and feed for material, the feed bin are up big and down small cone-shaped cavity, are internally provided with screw auger, on
Portion is connected with feed bin lid, and the feed bin lid is provided with feed opening, and top is connected with motor, and the motor is servo electricity
Machine drives screw auger to rotate and carries out speed adjustment and control by shaft coupling A.
The roll-forming system includes mobile compression roller, fixed press roller, rack, bearing A, bearing B, bearing block A, axis
A B, sliding rail, hydraulic cylinder, shaft coupling B, hydraulic motor are held, the rack is hollow cuboid framework structure, and top and feed bin connect
It connects, inner horizontal is provided with mobile compression roller and fixed press roller, the mobile compression roller bearing A symmetrical by two sides
Support, bearing A are fixed in bearing block A, and the bearing block A is mounted on the sliding rail of rack, is connect, is passed through with hydraulic cylinder respectively
The piston rod of hydraulic cylinder pushes bearing block A free to slide along sliding rail, and the hydraulic cylinder is squeezed for adjusting mobile compression roller and fixing
Press clearance between roll, and form extruding force, the fixed press roller bearing B support symmetrical by two sides, bearing B together with
Bearing block B is fixed on the rack, and one end of mobile compression roller and fixed press roller is crossed shaft coupling B respectively and connect with hydraulic motor,
Two hydraulic motors respectively drive mobile compression roller and fixed press roller rotates towards each other, and the hydraulic motor for adjusting two in real time
The revolving speed of compression roller.
The hydraulic system includes fuel tank, electro-hydraulic proportional pressure control pump, constant displacement pump, filter A, filter B, safety
Valve module A, relief valve assembly B, relief valve assembly C, accumulator A, accumulator B, proportional servo valve, pressure gauge A, pressure gauge B, position
Displacement sensor, proportional amplifier, hydraulic motor, hydraulic cylinder, solenoid directional control valve, proportional velocity regulating valve, each Hydraulic Elements pass through pipeline
It is formed by connecting, the electro-hydraulic proportional pressure control pump keeps its pressure constant for adjusting hydraulic cylinder works pressure, the mistake
Filter A and filter B are used for absorption system pressure fluctuation, and the proportional servo valve, hydraulic cylinder, displacement sensor and ratio are put
Big device constitutes position-force control system, by displacement sensor and proportional amplifier detection and displacement enlargement signal, adjust with
Control mobile compression roller and fixed press clearance between roll, control precision depends primarily on displacement sensor and proportional servo valve
Response characteristic, the proportional velocity regulating valve, constant displacement pump, solenoid directional control valve and hydraulic motor constitute synchronous velocity control circuit, are used for
The revolving speed of regulation and control hydraulic motor rotates synchronously two compression rollers, right between mobile compression roller and fixed press roller to ensure
The active force of material is downward along compression roller tangential direction, guarantees material uniform stressed.
The beneficial effects of the utility model are as follows:
Compared with prior art, hydraulic system uses the position and speed synchronously control of proportional servo valve and proportional velocity regulating valve
Circuit realizes the synchronously control of mobile compression roller and fixed press roller revolving speed, the accurate positionin and adjusting in roll gap gap;Using
Electro-hydraulic proportional pressure control pumps regulating loop, effectively inhibits external interference factor, it is inclined to improve cylinder device operating pressure
Difference forms constant extruding force between two compression rollers, material stress is made in the course of work more evenly, greatly improve material at
Type quality.
A kind of material device for rolling and molding of electrical-liquid control provided by the utility model, compact-sized, operation letter
Just.For different material attribute, compression roller extruding force and revolving speed are adjusted in time by hydraulic system, coordinate extruding force and revolving speed
Cooperation, reduces equipment operation failure rate, has saved the energy, improve different material Forming Quality and production efficiency, extend
Service life of equipment.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the utility model main view;
Fig. 3 is the utility model top view;
Fig. 4 is the utility model side view;
Fig. 5 is the utility model hydraulic scheme.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and embodiments.
Referring to as shown in Fig. 1~5, a kind of material device for rolling and molding of electrical-liquid control, including feed system, roll-in
Formation system and hydraulic system, it is characterised in that:
The feed system is located on roll-forming system, including shaft coupling A41, feed bin 6, screw auger 61, feed bin
Lid 7, motor 8, stirring and feed for material, the feed bin 6 are up big and down small cone-shaped cavity, are internally provided with spiral
Auger 61, top are connected with feed bin lid 7, and the feed bin lid 7 is provided with feed opening, and top is connected with motor 8, the electricity
Motivation 8 is servo motor, drives screw auger 61 to rotate by shaft coupling A41 and carries out speed adjustment and control.
The roll-forming system includes mobile compression roller 1-1, fixed press roller 1-2, rack 2, bearing A21-1, bearing
B21-2, bearing block A22-1, bearing block B22-2, sliding rail 23, hydraulic cylinder 3, shaft coupling B42, hydraulic motor 5, the rack 2 are
Hollow cuboid framework structure, top are connect with feed bin 6, and inner horizontal is provided with mobile compression roller 1-1 and fixed press roller 1-
Bearing A21-1 support 2, the mobile compression roller 1-1 symmetrical by two sides, bearing A21-1 are fixed on bearing block A22-1
Interior, the bearing block A22-1 is mounted on the sliding rail 23 of rack 2, is connect respectively with hydraulic cylinder 3, passes through the piston of hydraulic cylinder 3
Bar pushes bearing block A22-1 free to slide along sliding rail 23, and the hydraulic cylinder 3 is for adjusting mobile compression roller 1-1 and fixed press
Gap between roller 1-2, and extruding force is formed, the bearing B21-2 support fixed press roller 1-2 symmetrical by two sides, axis
It holds B21-2 to be fixed in rack 2 together with bearing block B22-2, one end of mobile compression roller 1-1 and fixed press roller 1-2 mistake respectively
Shaft coupling 42 is connect with hydraulic motor 5, and two hydraulic motors 5 respectively drive mobile compression roller 1-1 and fixed press roller 1-2 phase
To rotation, the hydraulic motor 5 for adjusting the revolving speed of two compression rollers in real time.
The hydraulic system includes fuel tank 30, electro-hydraulic proportional pressure control pump 31, constant displacement pump 53, filter A33-1, mistake
Filter B33-2, relief valve assembly A34-1, relief valve assembly B34-2, relief valve assembly C34-3, accumulator A35-1, accumulator
B35-2, proportional servo valve (36), pressure gauge A37-1, pressure gauge B37-2, displacement sensor 38, proportional amplifier 39, hydraulic horse
Up to 5, hydraulic cylinder 3, solenoid directional control valve 52, proportional velocity regulating valve 51, each Hydraulic Elements are formed by piping connection, the electric-hydraulic proportion
Pressure control pump 31 keeps its pressure constant for adjusting 3 operating pressure of hydraulic cylinder, the filter A33-1 and filter
B33-2 is used for absorption system pressure fluctuation, the proportional servo valve 36, hydraulic cylinder 3, displacement sensor 38 and proportional amplifier
39 constitute position synchronization control circuit, by displacement sensor 38 and the detection of proportional amplifier 39 and displacement enlargement signal, adjust
The gap between the mobile compression roller 1-1 and fixed press roller 1-2 of control, the proportional velocity regulating valve 51, constant displacement pump 53, solenoid directional control valve
52 and hydraulic motor 5 constitute synchronous velocity control circuit and keep two compression rollers same for the revolving speed of regulation and control hydraulic motor 5
Step rotation.
The course of work of the device for rolling and molding is:
Work step one:
Start electro-hydraulic proportional pressure control pump 31, to position synchronization control circuit fuel feeding, makes relief valve assembly A34- respectively
1, the 2/2-way solenoid directional control valve of relief valve assembly B34-2 and relief valve assembly C34-3 is powered, and each relief valve assembly is in work
Make state, then issues instruction control signals to two proportional servo valves 36 respectively, be gradually opened its right position valve port, at this time two
Road hydraulic oil controls 3 piston rod of hydraulic cylinder and stretches out, and pushes mobile compression roller 1-1 sliding to the fixed press direction roller 1-2 along sliding rail 23
It is dynamic, when two compression rollers reach default gap, pass through displacement sensor 38 and the detection of proportional amplifier 39 and displacement enlargement
Signal, control 36 valve port of proportional servo valve are gradually recovered middle position.
Work step two:
Start constant displacement pump 53 keeps relief valve assembly D34-4 in running order, so to synchronous velocity control circuit fuel feeding
Solenoid directional control valve 52 powers on afterwards, and left position is connected, and distinguishes two to 5 fuel feeding of hydraulic motor by two proportional velocity regulating valves 51, passes through
Proportional velocity regulating valve 51 is controlled, makes hydraulic motor 5 that mobile compression roller 1-1 and fixed press roller 1-2 be driven to rotate synchronously.
Work step three: starting motor 8 drives screw auger 61 to rotate, by the feed opening on feed bin lid 7 by shaft coupling 4
Material is sent into feed bin 6, material is squeezing masterpiece in the gap being admitted in feed bin 6 by precompressed between two compression rollers at this time
Under, there is tendencies toward shrinkage with mobile compression roller 1-1 3 piston rod of hydraulic cylinder connecting, 36 right valve ports of proportional servo valve omit at this time
There is unlatching, electro-hydraulic proportional pressure control pump 31 reaches constant pressure, and adapts to system pressure demand for control automatically, and system is without extra
Flow is only used for the leakage of position synchronization control circuit.Therefore, under the collective effect of above-mentioned hydraulic cylinder 3 and hydraulic motor 5, two
The roll-forming of compression roller completion material.
The above is preferred embodiments of the present invention, in the premise for not departing from the utility model and design
Under, various corresponding changes and modifications can also be made, and all these change and modification should be included in the utility model
Within protection scope.
Claims (3)
1. a kind of material device for rolling and molding of electrical-liquid control, which is characterized in that including feed system, roll-forming system
And hydraulic system, the feed system are located on roll-forming system, including shaft coupling A (41), feed bin (6), screw auger
(61), feed bin lid (7), motor (8), stirring and feed for material, the feed bin (6) are up big and down small conical cavity
Body is internally provided with screw auger (61), and top is connected with feed bin lid (7), and the feed bin lid (7) is provided with feed opening, on
Portion is connected with motor (8), and the motor (8) is servo motor, is turned by shaft coupling A (41) driving screw auger (61)
It moves and carries out speed adjustment and control.
2. a kind of material device for rolling and molding of electrical-liquid control according to claim 1, which is characterized in that the roller
Molded system includes mobile compression roller (1-1), fixed press roller (1-2), rack (2), bearing A (21-1), bearing B (21-
2), bearing block A (22-1), bearing block B (22-2), sliding rail (23), hydraulic cylinder (3), shaft coupling B (42), hydraulic motor (5), institute
Stating rack (2) is hollow cuboid framework structure, and top is connect with feed bin (6), and inner horizontal is provided with mobile compression roller (1-1)
With fixed press roller (1-2), the mobile compression roller (1-1) bearing A (21-1) support symmetrical by two sides, bearing A
(21-1) is fixed in bearing block A (22-1), and the bearing block A (22-1) is mounted on the sliding rail (23) of rack (2), respectively with
Hydraulic cylinder (3) connection, by the piston rod of hydraulic cylinder (3) push bearing block A (22-1) along sliding rail (23) free to slide, the liquid
Cylinder pressure (3) forms extruding force for adjusting gap between mobile compression roller (1-1) and fixed press roller (1-2), and the fixation is squeezed
Pressure roller (1-2) bearing B (21-2) support symmetrical by two sides, bearing B (21-2) are fixed on together with bearing block B (22-2)
In rack (2), shaft coupling B (42) and hydraulic motor are crossed in one end of mobile compression roller (1-1) and fixed press roller (1-2) respectively
(5) it connects, two hydraulic motors (5) respectively drive mobile compression roller (1-1) and fixed press roller (1-2) rotates towards each other, described
Hydraulic motor (5) for adjusting the revolving speed of two compression rollers in real time.
3. a kind of material device for rolling and molding of electrical-liquid control according to claim 1, which is characterized in that the liquid
Pressure system includes fuel tank (30), electro-hydraulic proportional pressure control pump (31), constant displacement pump (53), filter A (33-1), filter B
(33-2), relief valve assembly A (34-1), it relief valve assembly B (34-2), relief valve assembly C (34-3), accumulator A (35-1), stores
Energy device B (35-2), proportional servo valve (36), pressure gauge A (37-1), pressure gauge B (37-2), displacement sensor (38), ratio are put
Big device (39), hydraulic motor (5), hydraulic cylinder (3), solenoid directional control valve (52), proportional velocity regulating valve (51), each Hydraulic Elements pass through pipe
Road is formed by connecting, and the electro-hydraulic proportional pressure control pump (31) keeps its pressure permanent for adjusting hydraulic cylinder (3) operating pressure
Fixed, the filter A (33-1) and filter B (33-2) are used for absorption system pressure fluctuation, the proportional servo valve (36), liquid
Cylinder pressure (3), displacement sensor (38) and proportional amplifier (39) constitute position synchronization control circuit, pass through displacement sensor (38)
With proportional amplifier (39) detection and displacement enlargement signal, adjusts and control mobile compression roller (1-1) and fixed press roller (1-2)
Between gap, the proportional velocity regulating valve (51), constant displacement pump (53), solenoid directional control valve (52) and hydraulic motor (5) constitute speed sync
Control loop is used for the revolving speed of regulation and control hydraulic motor (5), rotates synchronously two compression rollers.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821451746.4U CN208878514U (en) | 2018-09-06 | 2018-09-06 | A kind of material device for rolling and molding of electrical-liquid control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821451746.4U CN208878514U (en) | 2018-09-06 | 2018-09-06 | A kind of material device for rolling and molding of electrical-liquid control |
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Publication Number | Publication Date |
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CN208878514U true CN208878514U (en) | 2019-05-21 |
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ID=66511327
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CN201821451746.4U Expired - Fee Related CN208878514U (en) | 2018-09-06 | 2018-09-06 | A kind of material device for rolling and molding of electrical-liquid control |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110314614A (en) * | 2019-06-10 | 2019-10-11 | 南京理工大学 | A kind of control method and system of ring die pelleter mold roller gap adjusting structure |
CN110552917A (en) * | 2019-09-05 | 2019-12-10 | 东北大学 | Hydraulic servo system based on extremely thin steel sheet roll-in formula quenching machine |
CN110864018A (en) * | 2019-10-09 | 2020-03-06 | 江苏国朗机械制造有限公司 | Dry process granulator pinch roller clearance control system that floats |
CN114452694A (en) * | 2022-03-16 | 2022-05-10 | 景津装备股份有限公司 | Multifunctional three-way device assisting synchronous pressing plate of double oil cylinders and filter plate pressing mechanism |
-
2018
- 2018-09-06 CN CN201821451746.4U patent/CN208878514U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110314614A (en) * | 2019-06-10 | 2019-10-11 | 南京理工大学 | A kind of control method and system of ring die pelleter mold roller gap adjusting structure |
CN110552917A (en) * | 2019-09-05 | 2019-12-10 | 东北大学 | Hydraulic servo system based on extremely thin steel sheet roll-in formula quenching machine |
CN110864018A (en) * | 2019-10-09 | 2020-03-06 | 江苏国朗机械制造有限公司 | Dry process granulator pinch roller clearance control system that floats |
CN114452694A (en) * | 2022-03-16 | 2022-05-10 | 景津装备股份有限公司 | Multifunctional three-way device assisting synchronous pressing plate of double oil cylinders and filter plate pressing mechanism |
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GR01 | Patent grant | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20200906 |
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CF01 | Termination of patent right due to non-payment of annual fee |