Intelligent compensation hydraulic roller sand making machine
By introducing an intelligent compensation hydraulic system into the double-roll crusher, and using a micro laser displacement sensor and PLC control, the roller spacing is automatically adjusted, which solves the problem of unstable output caused by roller wear and achieves stability and uniformity of output particle size.
Patent Information
- Application Number
- CN202410787015.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2044-06-18
AI Technical Summary
Existing double-roll crushers require manual adjustment when the rollers wear out, resulting in unstable output particle size.
The intelligent compensation hydraulic double roller sand making machine uses a micro laser displacement sensor to measure distance, and the distance between the moving roller and the fixed roller is automatically adjusted by the hydraulic control system through PLC calculation. Combined with the measurement of the actual moving distance by the coded scale, it ensures the stability of the output particle size.
It achieves stability of output particle size under roller wear conditions, and ensures more uniform material crushing and stable output particle size through an intelligent compensation system.
Smart Images

Figure CN118616143B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to an intelligent compensation hydraulic double-roller sand making machine, in particular to the intelligent compensation hydraulic double-roller sand making machine applied to the field of sand making equipment. BACKGROUND
[0002] The sand making machine is a sand making equipment which is widely used in many departments such as large-scale smelting, building materials, highways, railways, water conservancy and chemical industry.
[0003] A roller mill sand making machine for steel slag sand making is disclosed in Chinese Patent CN213102467U specification, which comprises a roller mill sand making machine for steel slag sand making, a center feeding pipe is arranged in the central part of the front side of the upper cylinder, a mill device connecting bracket is arranged in the inside of the upper cylinder, a mill device is arranged in the inside of the upper cylinder, the mill device is fixed with the mill device connecting bracket, a hydraulic pressure grinding roller device is arranged on one side of the inside of the upper cylinder, one end of the hydraulic pressure grinding roller device is installed at the top end of the driving swing arm, the hydraulic pressure grinding roller device is driven by the hydraulic oil cylinder A and the hydraulic oil cylinder B to crush the steel slag on the mill device, the material blocking ring in the device can be freely adjusted up and down to control the flow rate of the material and the size of the material discharge particles, the device uses the roller mill as the steel slag sand making machine, solves the problem of short service life of the wear part during the sand making of the steel slag, and the service life of the wear part is more than twenty times longer than that of the conventional sandstone impact sand making easy-to-damage part, and the finished sand produced by the roller mill sand making machine has low fine powder content, good granular sand shape, and less flaky and needle-like particles.
[0004] At present, the existing double-roller sand making machine on the market needs manual intervention to adjust the roller when the roller is worn, which will cause unstable discharge particle size. SUMMARY
[0005] In view of the above prior art, the technical problem to be solved by the application is the problem that the existing double-roller sand making machine needs manual intervention to adjust the roller when the roller is worn, which will cause unstable discharge particle size.
[0006] In order to solve the above problems, the application provides a smart compensation hydraulic counter-roller sand making machine, which comprises a driving device frame, the top end of the driving device frame is fixedly connected with a speed reducer, the number of the speed reducers is two, the output end of one of the speed reducers is provided with a motor, the number of the motors is two, the output end of one of the motors is provided with a universal joint, the end of the universal joint away from the speed reducer is fixedly connected with a main frame, one end of the main frame is fixedly connected with a hydraulic cylinder, the top end of the main frame is provided with an upper pressing frame, the top end of the upper pressing frame is fixedly connected with a side plate, the surface of the side plate is provided with a micro laser displacement sensor, one end of the side plate is fixedly connected with a lining plate, the end of the main frame away from the hydraulic cylinder is fixedly connected with an accumulator, the output end of the other motor is fixedly connected with a first half-coupling, one end of the first half-coupling is fixedly connected with a second half-coupling, one end of the other speed reducer is fixedly connected with a third half-coupling, one end of the third half-coupling away from the speed reducer is fixedly connected with a cross slider, the end of the universal joint away from the speed reducer is fixedly connected with a fourth half-coupling, the bottom end of the upper pressing frame is provided with a fixed bearing seat and a sliding bearing seat, one end of the sliding bearing seat is fixedly connected with the hydraulic cylinder, the end of the sliding bearing seat and the fixed bearing seat is fixedly connected with a cover through bolts, one end of the cover is provided with a main shaft, both ends of the main shaft are provided with roller cores, the surface of the main frame is fixedly connected with a pull rope displacement sensor, the other end of the sliding bearing seat and the fixed bearing seat is fixedly connected with a transparent cover through bolts.
[0007] In the above-mentioned smart compensation hydraulic counter-roller sand making machine, the counter-roller sand making machine is ensured to be more uniform in crushing materials, and the discharge particle size is relatively stable and unchanged.
[0008] As a further improvement of the application, the surface of the main frame is fixedly connected with a lower shell, and the top end of the side plate is fixedly connected with an upper shell.
[0009] As a further improvement of the application, the end of the roller core away from the main shaft is provided with an expansion sleeve, and the end of the expansion sleeve away from the roller core is provided with a roller sleeve.
[0010] As a further improvement of the application, the surface of the main shaft is sleeved with a first shaft sleeve, and both ends of the main shaft are sleeved with second shaft sleeves.
[0011] As a further improvement of the application, both ends of the main shaft are provided with bearings, and one end of the bearing is provided with a third shaft sleeve.
[0012] As another improvement of the application, the surface of the upper pressing frame is fixedly connected with a mounting plate through bolts, one end of the mounting plate is fixedly connected with a protection frame, the surface of the protection frame is provided with a pull-out slot, a pull-out block is inserted into the pull-out slot, one end of the pull-out block is fixedly connected with a pull-out cover, both ends of the pull-out block are fixedly connected with pull-out magnetic blocks, and the symmetrical positions of the inner wall of the pull-out slot are fixedly connected with fixed magnetic blocks which are mutually attracted with the pull-out magnetic blocks.
[0013] As a further improvement of the present application, the pulling cover is surface-fitted with the protective frame, and the top end of the pulling cover is fixedly connected with a force block.
[0014] As another improvement of the present application, an indicating ring is sleeved on one roller core, and a friction ring matched with the indicating ring is sleeved on the other roller core, the indicating ring comprises a buffer shell, the buffer shell is filled with a buffer solution, the buffer solution is mixed with fluorescent solution and air hardening gel material, a plurality of buffer units are suspended in the buffer solution, the plurality of buffer units are made of high-elasticity material, and a wear-resistant ring is fixedly connected to the outer wall of the buffer shell, so that the two roller cores can be found in time when the micro laser displacement sensor is blocked by the powder generated by the crushing of sandstone, the two roller cores are not easy to contact and generate a huge impact, and the working state of the roller mill is not easy to be affected.
[0015] As a further improvement of the present application, the two roller cores are fixedly connected with counterweight rings away from the indicating ring and the friction ring, so as to adjust the overall counterweight of the two groups of roller sleeves and roller cores and increase the stability.
[0016] In summary, the sand making machine adopts an intelligent compensation system, when the roller skin is worn, the distance is measured by the micro laser displacement sensor, then the output signal is calculated by the PLC, the hydraulic control system is used to drive the movable roller to move towards the fixed roller, the moving distance is calculated by the PLC, after the movable roller moves towards the fixed roller, the actual moving distance is measured by the coded scale, and the signal is fed back to the PLC to assist in correcting the calculation value, so as to ensure the accuracy of the value. The intelligent compensation system ensures that the roller mill breaks the material more evenly, and the particle size of the discharged material is relatively stable.
[0017] In the present application, when the roller cover is crushing sand and gravel, a large amount of dust will be generated, which will affect the detection work of the micro laser displacement sensor and the accuracy of the micro laser displacement sensor detection. It is easy to cause excessive wear due to the close contact of the two roller covers, and even a huge impact will affect the working state of the whole roller sand making machine. In the present embodiment, when the two roller covers are too close, the indicating ring and the friction ring will first appear friction. Under the action of the buffer liquid filled in the indicating ring and the buffer unit, the impact generated by the friction of the indicating ring and the friction ring is reduced, and the stability of the pair of roller covers is increased. After the indicating ring and the friction ring are rubbed for a period of time, the surface of the buffer shell will be worn, and part of the buffer liquid and the buffer unit will be ejected under the extrusion of the indicating ring and the friction ring, and will be contaminated on the sand and gravel product. Once the workers find that the buffer liquid mixed with fluorescent liquid is contaminated on the sand and gravel product, the roller cover should be stopped for maintenance in time to avoid the phenomenon of collision of the two roller covers due to the close contact. After the indicating ring is extruded and a large amount of buffer liquid is ejected, the volume of the indicating ring itself will also be reduced, and the indicating ring and the friction ring will no longer be in contact. At this time, the air hardening gel material wound in the buffer liquid will solidify at the wear port to form a seal. After the two roller covers are further close, the buffer liquid will be opened again to continue to be released. The total time of how to add buffer liquid to mark the effective mark is convenient for workers to find in time, so that the influence of the powder generated by the micro laser displacement sensor crushed by sand and gravel can be found in time when the two roller cores are too close. It is not easy to cause a huge impact due to the contact of the two roller covers, and it is not easy to affect the working state of the roller sand making machine. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is the overall structure schematic diagram of the first and second embodiments of the present application.
[0019] Figure 2 It is the overall structure schematic diagram of the first and second embodiments of the present application. Figure 2
[0020] Figure 3 It is the side view of the main frame of the first embodiment of the present application.
[0021] Figure 4 It is the top view of the cross slide of the first embodiment of the present application.
[0022] Figure 5 It is the main shaft structure schematic diagram of the first embodiment of the present application.
[0023] Figure 6 It is the pull-out cover structure schematic diagram of the second embodiment of the present application.
[0024] Figure 7 It is the protective frame structure schematic diagram of the second embodiment of the present application.
[0025] Figure 8 The structure diagram of the hydraulic roller with the assembly indicating ring of the third embodiment of the present application;
[0026] Figure 9 The side sectional view of the indicating ring of the third embodiment of the present application;
[0027] Figure 10 The working mode change diagram of the indicating ring of the third embodiment of the present application.
[0028] Explanation of the figure mark:
[0029] 1, drive device frame; 2, speed reducer; 3, motor; 4, universal joint; 5, main frame; 6, hydraulic cylinder; 7, lower shell; 8, upper shell; 9, micro laser displacement sensor; 10, accumulator; 11, first half coupling; 12, second half coupling; 13, third half coupling; 14, cross slide; 15, fourth half coupling; 16, fixed bearing seat; 17, sliding bearing seat; 18, roller sleeve; 19, expansion sleeve; 20, roller core; 21, main shaft; 22, first shaft sleeve; 23, second shaft sleeve; 24, third shaft sleeve; 25, cover; 26, transparent cover; 27, upper pressing frame; 28, side plate; 29, lining plate; 30, pull rope displacement sensor; 31, bearing; 32, mounting plate; 33, protection frame; 34, pull-out slot; 35, pull-out block; 36, pull-out cover; 37, pull-out magnetic block; 38, fixed magnetic block, 39 indicating ring, 3901 buffer shell, 3902 buffer cavity, 309 buffer unit, 3904 wear-resistant ring, 40 friction ring, 41 counterweight ring. DETAILED DESCRIPTION
[0030] The two embodiments of the present application are described in detail below in combination with the drawings.
[0031] The first embodiment:
[0032] Figures 1-5Intelligent compensation hydraulic counter-roller sand making machine is shown, including drive device frame 1, the top of drive device frame 1 is fixedly connected with speed reducer 2, the number of speed reducer 2 is two, one of the output ends of speed reducer 2 is provided with motor 3, the power of motor 3 is 110KW, the number of motor 3 is two, the output end of one of motor 3 is provided with universal joint 4, the end of universal joint 4 away from speed reducer 2 is fixedly connected with main frame 5, one end of main frame 5 is fixedly connected with hydraulic cylinder 6, the top of main frame 5 is provided with upper pressing frame 27, the top of upper pressing frame 27 is fixedly connected with side plate 28, the surface of side plate 28 is provided with micro laser displacement sensor 9, one end of side plate 28 is fixedly connected with lining plate 29, the end of main frame 5 away from hydraulic cylinder 6 is fixedly connected with energy accumulator 10, the output end of the other motor 3 is fixedly connected with first half coupling 11, one end of first half coupling 11 is fixedly connected with second half coupling 12, one end of the other speed reducer 2 is fixedly connected with third half coupling 13, the end of third half coupling 13 away from speed reducer 2 is fixedly connected with cross slider 14, the end of universal joint 4 away from speed reducer 2 is fixedly connected with fourth half coupling 15, the bottom of upper pressing frame 27 is provided with fixed bearing seat 16 and sliding bearing seat 17, one end of sliding bearing seat 17 is fixedly connected with hydraulic cylinder 6, the end of sliding bearing seat 17 and fixed bearing seat 16 is fixedly connected with muff cover 25 through bolt, one end of muff cover 25 is provided with main shaft 21, both ends of main shaft 21 are provided with roll core 20, the surface of main frame 5 is fixedly connected with pull rope displacement sensor 30, the other end of sliding bearing seat 17 and fixed bearing seat 16 is fixedly connected with transparent cover 26 through bolt, the surface of main frame 5 is fixedly connected with lower shell 7, the top of side plate 28 is fixedly connected with upper shell 8, the end of roll core 20 away from main shaft 21 is provided with expansion sleeve 19, the end of expansion sleeve 19 away from roll core 20 is provided with roll sleeve 18, the surface of main shaft 21 is sleeved with first shaft sleeve 22, both ends of main shaft 21 are sleeved with second shaft sleeve 23, both ends of main shaft 21 are provided with bearing 31, one end of bearing 31 is provided with third shaft sleeve 24.
[0033] The scheme can be implemented, the sand making machine adopts intelligent compensation system, when the roll skin of the roller appears wear, then the distance is measured through micro laser displacement sensor 9, and then the output signal is calculated after PLC, the hydraulic control system is utilized, the movable roller is moved to the fixed roller, the distance of movement is obtained by PLC, after the movable roller moves to the fixed roller, the actual moving distance is measured through the coded scale, and then the signal is fed back to PLC, the calculation value is assisted to correct, and the accuracy of the value is more guaranteed.The intelligent compensation system ensures that the counter-roller sand making machine breaks the material more uniformly, and the discharge particle size is relatively stable.
[0034] Second embodiment:
[0035] The embodiment adds protective frame 33 and pull cover 36 and the like on the basis of the first embodiment, and the remaining parts remain consistent with the first embodiment.
[0036] Figures 6-7 As shown, the surface of the upper pressing frame 27 is fixedly connected with a mounting plate 32 by bolts, one end of the mounting plate 32 is fixedly connected with a protective frame 33, the surface of the protective frame 33 is provided with a pull slot 34, the pull slot 34 is inserted with a pull block 35, one end of the pull block 35 is fixedly connected with a pull cover 36, both ends of the pull block 35 are fixedly connected with pull magnetic blocks 37, the symmetrical positions of the inner wall of the pull slot 34 are fixedly connected with fixed magnetic blocks 38 which are mutually attracted with the pull magnetic blocks 37, the pull cover 36 is attached to the surface of the protective frame 33, and the top end of the pull cover 36 is fixedly connected with a force block.
[0037] The scheme can be implemented by using bolts to install and fix the mounting plate 32 on the upper pressing frame 27, sealing the micro laser displacement sensor 9 between the protective frame 33 and the pull cover 36 when the micro laser displacement sensor 9 is not used, and then protecting the micro laser displacement sensor 9 by the protective frame 33 and the pull cover 36, which can not only prevent external objects from hitting and accidentally touching the micro laser displacement sensor 9, but also prevent dust from adhering to the micro laser displacement sensor 9. At the same time, the fixed magnetic blocks 38 and the pull magnetic blocks 37 can improve the stability of the pull block 35 in the pull slot 34, and then improve the stability of the pull cover 36 on the protective frame 33. When the micro laser displacement sensor 9 is needed, it only needs to push the pull cover 36 to expose the micro laser displacement sensor 9.
[0038] Third embodiment:
[0039] The embodiment adds an indication ring 39 and a friction ring 40 and the like on the basis of the first and second embodiments, and the remaining parts remain consistent with the first and second embodiments.
[0040] Figures 8-10 As shown, one roller core 20 is sleeved with an indication ring 39, and the other roller core 20 is sleeved with a friction ring 40 matched with the indication ring 39. The indication ring 39 comprises a buffer shell 3901, the buffer shell 3901 is filled with a buffer solution, the buffer solution is mixed with fluorescent liquid and air-hardening gel material, and a plurality of buffer units 3903 are suspended in the buffer solution. The plurality of buffer units 3903 are made of high-elasticity material, and the outer wall of the buffer shell 3901 is fixedly connected with a wear-resistant ring 3904.
[0041] In the present application, when the roller cover 18 is crushing sand and gravel, a large amount of dust will be generated, which will affect the detection work of the micro laser displacement sensor 9 and the accuracy of the detection of the micro laser displacement sensor 9. It is easy to cause excessive wear due to the close contact of the two roller covers 18, and even a huge impact will affect the working state of the whole roller sand making machine. In the present embodiment, when the two roller covers 18 are too close, the indicating ring 39 and the friction ring 40 will first appear friction. Under the action of the buffer liquid filled in the indicating ring 39 and the buffer unit 3903, the impact generated by the friction of the indicating ring 39 and the friction ring 40 is reduced, and the stability of the pair of roller covers 18 is increased. After the indicating ring 39 and the friction ring 40 are rubbed for a period of time, the surface of the buffer housing 3901 will be worn, and part of the buffer liquid and the buffer unit 3903 will be ejected under the extrusion of the indicating ring 39 and the friction ring 40, and will be contaminated on the sand and gravel product. Once the staff finds that the sand and gravel product is contaminated with buffer liquid mixed with fluorescent liquid, the roller cover 18 should be stopped for maintenance in time to avoid the phenomenon of collision of the two roller covers 18 due to close contact. After the indicating ring 39 is extruded and a large amount of buffer liquid is ejected, the volume of the indicating ring 39 will also be reduced, and the indicating ring 39 and the friction ring 40 will no longer be in contact. At this time, the air hardening gel material wound in the buffer liquid will solidify at the wear port to form a seal. After the two roller covers 18 are further close, the buffer liquid will be opened again to continue to be released. How to mark the total time of the effective mark of the buffer liquid, so that the staff can find it in time, so that the staff can find it in time when the micro laser displacement sensor 9 is blocked by the powder generated by the crushing of sand and gravel. It is not easy to cause a huge impact due to the contact of the two roller covers 18, and it is not easy to affect the working state of the roller sand making machine.
[0042] The two roller cores 20 are fixedly connected with the counterweight ring 41 at the end away from the indicating ring 39 and the friction ring 40, so as to adjust the overall counterweight of the two groups of roller covers 18 and roller cores 20 and increase the stability thereof.
[0043] In combination with the current actual demand, the above-mentioned embodiments adopted by the present application are not limited to this, and various changes made within the knowledge range of those skilled in the art without departing from the concept of the present application still fall within the protection scope of the present application.
Claims
1. Intelligent compensation hydraulic roller sand making machine, comprising a driving device frame (1), characterized in that: The top end of the driving device frame (1) is fixedly connected with a speed reducer (2), the number of the speed reducer (2) is two, a motor (3) is arranged on the input end of the speed reducer (2), the number of the motor (3) is two, the output end of one of the speed reducers (2) is provided with a universal joint (4), the end of the universal joint (4) away from the speed reducer (2) is fixedly connected with a main frame (5), one end of the main frame (5) is fixedly connected with a hydraulic cylinder (6), the top end of the main frame (5) is provided with an upper pressing frame (27), the top end of the upper pressing frame (27) is fixedly connected with a side plate (28), a micro laser displacement sensor (9) is arranged on the surface of the side plate (28), one end of the side plate (28) is fixedly connected with a lining plate (29), the end of the main frame (5) away from the hydraulic cylinder (6) is fixedly connected with an accumulator (10), the output end of the other motor (3) is fixedly connected with a first half shaft (11), one end of the first half shaft (11) is fixedly connected with a second half shaft (12), one end of the other speed reducer (2) is fixedly connected with a third half shaft (13), the end of the third half shaft (13) away from the speed reducer (2) is fixedly connected with a cross slider (14), the end of the universal joint (4) away from the speed reducer (2) is fixedly connected with a fourth half shaft (15), the bottom end of the upper pressing frame (27) is provided with a fixed bearing seat (16) and a sliding bearing seat (17), one end of the sliding bearing seat (17) is fixedly connected with the hydraulic cylinder (6), the sliding bearing seat (17) and the other end of the fixed bearing seat (16) are both fixedly connected with a cover (25) through bolts, one end of the cover (25) is provided with a main shaft (21), both ends of the main shaft (21) are provided with roller cores (20), the surface of the main frame (5) is fixedly connected with a pull rope displacement sensor (30), the other end of the sliding bearing seat (17) and the fixed bearing seat (16) are both fixedly connected with a transparent cover (26) through bolts; One of the roller cores (20) is sleeved with an indicating ring (39), the other roller core (20) is sleeved with a friction ring (40) matched with the indicating ring (39), the indicating ring (39) comprises a buffer shell (3901), the buffer shell (3901) is filled with a buffer solution, the buffer solution is mixed with fluorescent liquid and air-hardening gel material, a plurality of buffer units (3903) are suspended in the buffer solution, the plurality of buffer units (3903) are all made of high-elasticity material, and a wear-resistant ring (3904) is fixedly connected to the outer wall of the buffer shell (3901).
2. The intelligent compensated hydraulic pair-roller sand making machine according to claim 1, characterized in that: The surface of the main frame (5) is fixedly connected with a lower shell (7), and the top end of the side plate (28) is fixedly connected with an upper shell (8).
3. The intelligent compensated hydraulic counter-roller sand mill according to claim 2, characterized in that: The end of the roller core (20) away from the main shaft (21) is provided with an expansion sleeve (19), and the end of the expansion sleeve (19) away from the roller core (20) is provided with a roller sleeve (18).
4. The intelligent compensated hydraulic counter-roller sand mill according to claim 3, characterized in that: The surface of the main shaft (21) is sleeved with a first shaft sleeve (22), and the two ends of the main shaft (21) are sleeved with second shaft sleeves (23).
5. The intelligent compensated hydraulic pair-roller sand making machine according to claim 4, characterized in that: The two ends of the main shaft (21) are provided with bearings (31), and one end of the bearing (31) is provided with a third shaft sleeve (24).
6. The intelligent compensated hydraulic pair-roller sand making machine according to claim 5, characterized in that: The surface of the upper pressing frame (27) is fixedly connected with a mounting plate (32) through bolts, one end of the mounting plate (32) is fixedly connected with a protection frame (33), the surface of the protection frame (33) is provided with a pull-out slot (34), the pull-out slot (34) is inserted with a pull-out block (35), one end of the pull-out block (35) is fixedly connected with a pull-out cover (36), the two ends of the pull-out block (35) are fixedly connected with pull-out magnetic blocks (37), and the symmetrical positions of the inner wall of the pull-out slot (34) are fixedly connected with fixed magnetic blocks (38) which are mutually attracted with the pull-out magnetic blocks (37).
7. The intelligent compensated hydraulic pair-roller sand making machine according to claim 6, characterized in that: The pull-out cover (36) is attached to the surface of the protection frame (33), and the top end of the pull-out cover (36) is fixedly connected with a force applying block.
8. The intelligent compensated hydraulic pair-roller sand making machine according to claim 6, characterized in that: The two roller cores (20) are fixedly connected with counterweight rings (41) at the ends away from the indicating ring (39) and the friction ring (40).
Citation Information
Patent Citations
Roller milling sand making machine for making sand from steel slag
CN213102467U
Combined type double-roller sand making machine with adjustable crushing force
CN116689078A
Roller press capable of adaptively adjusting working state
CN212284166U