CN209871872U - Deviation correcting device of roller press - Google Patents
Deviation correcting device of roller press Download PDFInfo
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- CN209871872U CN209871872U CN201920272624.7U CN201920272624U CN209871872U CN 209871872 U CN209871872 U CN 209871872U CN 201920272624 U CN201920272624 U CN 201920272624U CN 209871872 U CN209871872 U CN 209871872U
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Abstract
The utility model discloses a roll squeezer deviation correcting device, including fixed bearing frame and the movable bearing seat that is used for installing fixed roll and movable roll both ends respectively, fixed bearing frame and the parallel interval arrangement of movable bearing seat, the corresponding face of fixed bearing frame and movable bearing seat on be connected with first wedge and second wedge respectively, the wedge of first wedge and second wedge mutually support, the another side of movable bearing seat on be provided with hydraulic cylinder, control system control hydraulic cylinder order about movable bearing seat and press close to fixed bearing seat for two rollers are in the position of being close to parallel or parallel, ensure simultaneously with both ends roll gap size adjustment to error range in, guarantee roll squeezer's operation stationarity and reliability.
Description
Technical Field
The utility model belongs to the grinding equipment field, in particular to roll squeezer deviation correcting device.
Background
Nowadays, a grinding system of a roller press is widely applied, the yield can be increased by 50-200% by adopting the system, and the power consumption per unit production can be reduced by 20-35%; meanwhile, the working noise, the powder raising and the like of the equipment are small, the working environment of workers is improved, and the excellent economic benefit and social benefit are fully displayed.
The roll gap of the roll squeezer is the gap between the movable roll and the fixed roll. In the production process, when the roll gaps on the left side and the right side are too large in deviation, the extrusion effect of the roll squeezer can be seriously influenced, the cyclic load of a system is increased, and the running stability and the reliability of the roll squeezer are seriously influenced; meanwhile, frequent starting of the valve of the hydraulic system, uneven wear of the roll surface of the roll squeezer, increase of replacement rate of spare parts such as the main bearing and the like, and remarkable increase of maintenance cost and maintenance time are caused.
Patent CN 204544294U discloses a hydraulic system of roll squeezer rectification, has realized the effective control of roll gap deviation about the roll squeezer, has guaranteed the operation stationarity and the reliability of roll squeezer, improves the extrusion effect of roll squeezer and the life-span of base bearing. The roll gap fluctuation of the roll squeezer is closely related to the uniformity of fed particles, but the material uniformity of some manufacturers is too poor, so that the roll gap of the roll squeezer fluctuates frequently, and the fluctuation value often exceeds the set line value, so that the roll gap deviation cannot be effectively controlled in time by simply pressurizing and depressurizing the deviation-correcting valve, the response time is possibly too long, or the adjustment effect is not ideal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a roll squeezer deviation correcting device ensures to keep the position of being approximately parallel or parallel with the fixed roll of roll squeezer with the movable roll, ensures simultaneously with the roll gap size adjustment at both ends to the error range in.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a deviation correcting device of roll squeezer, is including fixed bearing frame and the movable bearing seat that is used for installing fixed roll and movable roll both ends respectively, fixed bearing frame and the parallel interval arrangement of movable bearing seat, the corresponding face of fixed bearing frame and movable bearing seat on be connected with first wedge and second wedge respectively, the wedge of first wedge and second wedge mutually support, the another side of movable bearing seat on be provided with hydraulic cylinder, hydraulic cylinder order about the movable bearing seat and press close to fixed bearing frame.
The first wedge block is connected with the fixed bearing seat in a sliding mode, the second wedge block is fixedly connected with the movable bearing seat, the first wedge block is connected with the push rod, and the push rod is parallel to the axis line of the fixed bearing seat.
The outer side surface of the fixed bearing seat is provided with a fixed support, the fixed support is provided with a driving device, the driving device is connected with the push rod, and the driving device drives the push rod to move along the direction parallel to the axial lead of the fixed bearing seat.
And a distance sensor is arranged on the outer side of the movable bearing seat and is connected with a driving device and a control system of the hydraulic oil cylinder.
The fixed bearing seat is provided with a guide rail, the guide rail is provided with a sliding block in a sliding mode, and the first wedge-shaped block is connected with the sliding block.
The wedge surfaces of the first wedge block and the second wedge block are provided with wear-resisting plates.
Compared with the prior art, the first wedge block and the second wedge block are matched with each other, the relative motion state of the first wedge block and the second wedge block is adjusted, the relative motion state is used for determining the distance between the fixed bearing seat and the movable bearing seat, namely determining the roll gap size of the fixed roller and the movable roller, the hydraulic oil cylinder is used for applying certain acting force to enable the movable bearing seat to keep the current state, the condition that the feeding and discharging of materials in the length direction of the roller surface of the roller press are not uniform due to the possible material segregation phenomenon in the working process of the roller press, so that the left end and the right end are not parallel and level or the roll gap deviation is overlarge is caused, at the moment, the first wedge block and the second wedge block at the two ends are separated, in order to ensure the normal working state, the control system firstly controls the pressure of the hydraulic oil cylinder to enable the movable bearing seat to be restored to the state within the error, therefore, the two rollers can be positioned in approximately parallel or parallel positions, the sizes of the roll gaps at the two ends are ensured to be adjusted to be within an error range, and the running stability and the running reliability of the roll squeezer are ensured.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a first schematic view of a fixed bearing seat and a movable bearing seat in a matching state;
fig. 4 is a schematic diagram of a second state of matching between the fixed bearing seat and the movable bearing seat.
Detailed Description
The utility model is further explained with reference to fig. 1-4:
the utility model provides a deviation correcting device of roll squeezer, is including fixed bearing 1 and the movable bearing seat 2 that is used for installing fixed roller and movable roll both ends respectively, fixed bearing 1 and the parallel interval arrangement of movable bearing seat 2, fixed bearing 1 and the corresponding face of movable bearing seat 2 on be connected with first wedge 3 and second wedge 4 respectively, the wedge of first wedge 3 and second wedge 4 mutually support, the another side of movable bearing seat 2 on be provided with hydraulic cylinder 11, hydraulic cylinder 11 order about movable bearing seat 2 and press close to fixed bearing seat 1.
In the technical scheme, the first wedge-shaped block 3 and the second wedge-shaped block 4 are matched with each other, the relative motion states of the first wedge-shaped block and the second wedge-shaped block are adjusted, the relative motion states of the first wedge-shaped block and the second wedge-shaped block are used for determining the distance between the fixed bearing seat 1 and the movable bearing seat 2, namely determining the roll gap size of the fixed roll and the movable roll, the hydraulic oil cylinder 11 is used for applying a certain acting force to enable the movable bearing seat 2 to keep the current state, the first wedge-shaped block 3 and the second wedge-shaped block 4 at the two ends can be separated in order to ensure the normal working state, firstly, the control system controls the pressure of the hydraulic oil cylinder 11 to enable the movable bearing seat 2 to be restored to the state within an error range if the adjustment is unsuccessful due to the fact that materials are fed and discharged unevenly in the length direction of the roll surface, and then adjusting the relative motion state of the first wedge-shaped block 3 and the second wedge-shaped block 4, so that the two rollers are in an approximately parallel or parallel position, and simultaneously ensuring that the sizes of the roll gaps at the two ends are adjusted to be within an error range, and ensuring the running stability and reliability of the rolling machine.
The first wedge-shaped block 3 is connected with the inner side of the fixed bearing seat 1 in a sliding mode, the second wedge-shaped block 3 is fixedly connected with the inner side of the fixed bearing seat 1, the first wedge-shaped block 3 is connected with the push rod 5, and the push rod 5 is parallel to the axial lead of the fixed bearing seat 1. The roll gaps at two ends are changed by adjusting the first wedge-shaped block 3 on the fixed bearing seat 1.
The outer side surface of the fixed bearing seat 1 is provided with a fixed support 9, the fixed support 9 is provided with a driving device 10, the driving device 10 is connected with the push rod 5, and the driving device 10 drives the push rod 5 to move along the direction parallel to the axial lead of the fixed bearing seat 1. The fixed support 9 is used for fixedly installing the driving device 10, and the driving device 10 can adopt a turbine screw rod lifter or an air cylinder and is used for driving the push rod 5 to work.
And a distance sensor 12 is arranged on the outer side of the movable bearing seat 2, and the distance sensor 12 is connected with a driving device 10 and a control system of a hydraulic oil cylinder 11. The distance sensor 12 is arranged on the outer side of the movable bearing seat 2, the other end of one end of the distance sensor is fixed, the other end of the distance sensor is in a movable state and can sense the displacement change of the movable bearing seat 2, so that the distance between the fixed bearing seat 1 and the movable bearing seat 2 at the left end and the right end can be acquired in real time, whether the roll gap at the moment exceeds an error range is judged in real time, the result is fed back to the driving device 10 and the control system of the hydraulic oil cylinder 11, and the driving device 10 and the hydraulic oil cylinder 11 are started to work.
The inner side of the fixed bearing seat 1 is provided with a guide rail 6, the guide rail 6 is provided with a sliding block 7 in a sliding manner, and the first wedge-shaped block 3 is connected with the sliding block 7.
The wedge surfaces of the first wedge block 3 and the second wedge block 4 are both provided with wear-resisting plates 8.
The utility model discloses a concrete embodiment, including following step:
A. the fit relation of the first wedge-shaped block 3 and the second wedge-shaped block 4 is adjusted in advance to enable the first wedge-shaped block and the second wedge-shaped block to form a close fit, the distance between the fixed bearing seat 1 and the movable bearing seat 2 at the left end and the right end is determined, the distance is respectively marked as S left and S right, at the moment, the S left is S right, the hydraulic oil cylinder 11 applies pressure to the movable bearing seat 2, and the movable bearing seat 2 is ensured to be close to the fixed bearing seat 1; the most initial adjusting state is adopted at the moment, and the optimal distance between the two rollers is predetermined according to the production requirement of the ground materials.
B. Setting the maximum upper limit value of S left and S right to be Xmm, setting the maximum upper limit value of Δ ═ S left-S right to be Ymm, starting to grind materials when the fixed roller and the movable roller work, acquiring the distance between the left end and the right end of the fixed bearing seat 1 and the movable bearing seat 2 in real time by the distance sensor 12, and feeding back the distance to the driving device 10 and the control system of the hydraulic oil cylinder 11; the left and right of S should not be too large, if the roll gap is too large, it is proved that the roll gap is in an abnormal working state at this time, adjustment is needed, if the adjustment is unsuccessful finally, the roll press is stopped at this time, and delta (S left-S right) should keep the two rolls in a quasi-parallel or parallel state, so as to ensure that the extrusion effect of the roll press is not affected and the system circulation load is not increased.
C. a, when the S left is less than or equal to Xmm and the S right is less than or equal to Xmm: when S left-S right is greater than Ymm, the control system controls the pressure of the hydraulic oil cylinder 11 to correct the deviation of the movable bearing seat 2 at the left end, if the deviation cannot be corrected successfully in ts, the S left-S right is still greater than Ymm, the control system starts the driving device 10 at the right end, the first wedge block 3 at the right end is pushed to move towards the roller surface side through the push rod 5, the S right is increased, and when delta is less than or equal to Ymm, the driving device 10 is closed;
when S right-S left is greater than Ymm, the control system controls the pressure of the hydraulic oil cylinder 11 to correct the deviation of the movable bearing seat 2 at the right end, if the deviation cannot be corrected successfully in ts, the S right-S left is still greater than Ymm, the control system starts the driving device 10 at the left end, the first wedge block 3 at the left end is pushed to move towards the roller surface side through the push rod 5, the S left is increased, and when delta is less than or equal to Ymm, the driving device 10 is closed; the two states can be understood as the condition that the roll gap at one end is overlarge, at the moment, the control system needs to control the pressure of the hydraulic oil cylinder 11 to correct the roll gap, if the roll gap still cannot be adjusted, the condition that the material is separated still exists at the moment is proved, and the protection of the roll squeezer equipment ensures that the fixed roll and the movable roll are parallel or approximately parallel, so that the end with the excessively small roll gap needs to be adjusted to increase the distance, at the moment, the first wedge block 3 needs to be adjusted to increase the S left, so that the S left and the S right are kept in the error range, and the two rolls continue to grind the material.
b. When the S left is larger than Xmm and the S right is smaller than or equal to Xmm, the control system controls the pressure of the hydraulic oil cylinder 11 to correct the deviation of the movable bearing seat 2 at the left end, the S left is smaller than or equal to Xmm, if the deviation correction cannot be successfully performed in ts, the corresponding control system starts the driving device 10 at the left end, the first wedge block 3 at the left end is pushed to move towards the side far away from the roller surface through the push rod 5, the S left is reduced until the S left is smaller than or equal to Xmm, meanwhile, a value of delta (S left-S right) is calculated, and the step a is returned again to for correcting the deviation;
c. when the S left is less than or equal to Xmm and the S right is greater than Xmm, the control system controls the pressure of the hydraulic oil cylinder 11 to correct the deviation of the movable bearing seat 2 at the right end, the S right is less than or equal to Xmm, if the deviation correction cannot be successfully performed within ts, the corresponding control system starts the driving device 10 at the right end, the first wedge block 3 at the right end is pushed to move towards the side far away from the roller surface through the push rod 5, the S right is reduced until the S right is less than or equal to Xmm, meanwhile, the value of delta | S left-S right | is calculated, and the step a is returned again for correcting; and b, c, if the roll gap at one end of the roll gap is overlarge, the control system needs to correspondingly adjust the first wedge-shaped block 3 to enable the distance between the overlarge roll gap and the other end of the roll gap to be reduced to be less than Xmm if the control system can not forcibly correct the deviation by adopting the control hydraulic oil cylinder 11, then the step a is returned to again for correcting the deviation, and if the roll gap is not smaller than Xmm, the roll press stops working immediately.
d. When S left is larger than Xmm and S right is larger than Xmm, the control system controls the pressure of the hydraulic oil cylinder 11 to correct the deviation of the movable bearing seat 2 at the left end and the right end, so that the S left is smaller than or equal to Xmm and the S right is smaller than or equal to Xmm, if the deviation correction is not successful in ts, the corresponding control system starts the driving device 10 at the left end and the right end, the first wedge blocks 3 at the left end and the right end are respectively pushed to move towards the sides far away from the roller surface through the push rod 5, the S left and the S right are reduced until the S left is smaller than or equal to Xmm and the S right is smaller than or equal to Xmm, meanwhile, the value of delta | S left-S right |. Step d, the synchronization of steps b and c is similar, and the adjustment process is that the two ends start to adjust simultaneously.
Claims (6)
1. The utility model provides a roll squeezer deviation correcting device which characterized in that: including fixed bearing frame (1) and movable bearing seat (2) that are used for installing fixed roll and movable roll both ends respectively, fixed bearing frame (1) and movable bearing seat (2) parallel interval arrangement, the corresponding face of fixed bearing frame (1) and movable bearing seat (2) on be connected with first wedge (3) and second wedge (4) respectively, the wedge of first wedge (3) and second wedge (4) mutually support, the another side of movable bearing seat (2) on be provided with hydraulic cylinder (11), hydraulic cylinder (11) order about movable bearing seat (2) and press close to fixed bearing frame (1).
2. The roller press deviation correcting device according to claim 1, wherein: the bearing is characterized in that the first wedge-shaped block (3) is connected with the fixed bearing seat (1) in a sliding mode, the second wedge-shaped block (4) is fixedly connected with the movable bearing seat (2), the first wedge-shaped block (3) is connected with the push rod (5), and the push rod (5) is parallel to the axis of the fixed bearing seat (1).
3. The roller press deviation correcting device according to claim 2, wherein: the outer side surface of the fixed bearing seat (1) is provided with a fixed support (9), the fixed support (9) is provided with a driving device (10), the driving device (10) is connected with the push rod (5), and the driving device (10) drives the push rod (5) to displace along the direction parallel to the axial lead of the fixed bearing seat (1).
4. The roller press deviation correcting device according to claim 3, wherein: and a distance sensor (12) is arranged on the outer side of the movable bearing seat (2), and the distance sensor (12) is connected with a driving device (10) and a control system of a hydraulic oil cylinder (11).
5. The roller press deviation correcting device according to claim 2, wherein: the fixed bearing seat (1) is provided with a guide rail (6), the guide rail (6) is provided with a sliding block (7) in a sliding manner, and the first wedge block (3) is connected with the sliding block (7).
6. The roller press deviation correcting device according to claim 1, wherein: the wedge-shaped surfaces of the first wedge-shaped block (3) and the second wedge-shaped block (4) are provided with wear-resisting plates (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920272624.7U CN209871872U (en) | 2019-03-01 | 2019-03-01 | Deviation correcting device of roller press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920272624.7U CN209871872U (en) | 2019-03-01 | 2019-03-01 | Deviation correcting device of roller press |
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| Publication Number | Publication Date |
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| CN209871872U true CN209871872U (en) | 2019-12-31 |
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| CN201920272624.7U Active CN209871872U (en) | 2019-03-01 | 2019-03-01 | Deviation correcting device of roller press |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896325A (en) * | 2019-03-01 | 2019-06-18 | 中建材（合肥）粉体科技装备有限公司 | A kind of roll squeezer deviation correcting device and its control method |
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2019
- 2019-03-01 CN CN201920272624.7U patent/CN209871872U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896325A (en) * | 2019-03-01 | 2019-06-18 | 中建材（合肥）粉体科技装备有限公司 | A kind of roll squeezer deviation correcting device and its control method |
| CN109896325B (en) * | 2019-03-01 | 2024-04-19 | 中建材（合肥）粉体科技装备有限公司 | Deviation correcting device of roller press and control method thereof |
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