CN115212968B - Intelligent control system and method for roller gap of double-roller crusher - Google Patents

Intelligent control system and method for roller gap of double-roller crusher Download PDF

Info

Publication number
CN115212968B
CN115212968B CN202211141019.9A CN202211141019A CN115212968B CN 115212968 B CN115212968 B CN 115212968B CN 202211141019 A CN202211141019 A CN 202211141019A CN 115212968 B CN115212968 B CN 115212968B
Authority
CN
China
Prior art keywords
roller
crushing roller
movable
controller
switch contacts
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202211141019.9A
Other languages
Chinese (zh)
Other versions
CN115212968A (en
Inventor
庄主红
黄兴煜
张小峰
田超常
郭静波
郑金龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FUJIAN QUANCHENG MACHINERY CO LTD
Original Assignee
FUJIAN QUANCHENG MACHINERY CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FUJIAN QUANCHENG MACHINERY CO LTD filed Critical FUJIAN QUANCHENG MACHINERY CO LTD
Priority to CN202211141019.9A priority Critical patent/CN115212968B/en
Publication of CN115212968A publication Critical patent/CN115212968A/en
Application granted granted Critical
Publication of CN115212968B publication Critical patent/CN115212968B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/32Adjusting, applying pressure to, or controlling the distance between, milling members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C25/00Control arrangements specially adapted for crushing or disintegrating

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

The utility model provides a to roll crusher running roller roll gap intelligence control system and method, belong to broken technical field, including fixed crushing roller and removal crushing roller, it is used for driving the actuating mechanism that removes the crushing roller and remove to fixed crushing roller to remove the crushing roller to be connected with to remove the crushing roller, intelligence control system includes controller and the position response mechanism that is used for responding to removal crushing roller position, position response mechanism includes range finding sensor and two switch contacts, range finding sensor is used for measuring removal crushing roller displacement, it is connected with the current conducting plate along with removal crushing roller synchronous motion to remove the crushing roller, form the route between two switch contacts when current conducting plate and two switch contacts contact, controller and range finding sensor and the equal electric connection of switch contact, and the controller still is used for controlling actuating mechanism. The invention can monitor the position of the movable crushing roller in real time, ensure the stable distance between the movable crushing roller and the fixed crushing roller and avoid the damage caused by the impact of the movable crushing roller on the fixed crushing roller.

Description

Intelligent control system and method for roller gap of double-roller crusher
Technical Field
The invention belongs to the technical field of crushing, and particularly relates to an intelligent control system and method for a roller nip of a double-roller crusher.
Background
The double-roller crusher is a common crushing device, materials pass downwards through a roller gap from the upper part of two rollers provided with toothed plates and are pressed towards a fixed roller by a movable roller, so that large-particle or bulk material mixtures are extruded to be crushed and separated, and required specification materials are obtained. In the process, the roller gap between the two rollers plays a key role in directly influencing the yield of the materials, when the gap is too large, the materials cannot be effectively crushed and separated, and when the gap is too small, the materials can generate too many materials with small specifications, so that the key action is to keep the roller gap relatively constant. In the prior art, the control to the roll gap is mainly realized through the driver that drives the removal crushing roller, and specific drive dynamics and drive distance are preset usually, are difficult to adjust according to the nimble condition of reality, lead to easily because the roll gap is too big to cause crushing effect not good, or because the roll gap undersize causes the material to flow unsmoothly, lead to two running roller direct contact and lead to equipment to seriously damage when the driver appears unusually even.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide an intelligent control system and method for a roller gap of a roller type crusher, which can monitor the position of a movable crushing roller in the roller type crusher in real time so as to ensure that the distance between the movable crushing roller and a fixed crushing roller is stable, further ensure that the roller type crusher can smoothly crush materials, and simultaneously avoid the damage to the roller type crusher caused by the fact that the movable crushing roller impacts the fixed crushing roller.
In order to achieve the purpose, the invention adopts the specific scheme that:
a pair of roll crusher running roller roll gap intelligence control system, have pair of roll crusher, pair of roll crusher includes fixed crushing roller and removal crushing roller, it is connected with and is used for driving the drive mechanism that the removal crushing roller moved to the fixed crushing roller to remove the crushing roller, intelligence control system includes controller and position induction mechanism used for responding to the removal crushing roller position, position induction mechanism includes fixed range sensor and two switch contacts that set up, the range sensor is used for measuring the removal distance of removal crushing roller, it is connected with the current-conducting plate that moves with removal crushing roller in step to remove the crushing roller, form the route between two switch contacts when the current-conducting plate contacts with two switch contacts, the controller with the range sensor with the equal electric connection of switch contact, and the controller still is used for controlling the drive mechanism.
Preferably, the double-roll crusher comprises a frame, the frame comprises a bottom plate and two top plates horizontally arranged above the bottom plate, the top plates are connected with the bottom plate through a plurality of stand columns, sliding grooves horizontally extending are formed in the top plates, first roller shafts used for supporting the fixed crushing rollers are arranged on the fixed crushing rollers in a penetrating mode, two ends of each first roller shaft are respectively connected with the two top plates in a rotating mode, second roller shafts used for supporting the movable crushing rollers are arranged on the movable crushing rollers in a penetrating mode, two ends of each second roller shaft are respectively connected with a movable supporting seat in a rotating mode, the two movable supporting seats are respectively arranged in the two sliding grooves in a sliding mode, the driving mechanism drives the movable supporting seats to move so as to drive the movable crushing rollers to move, and the position sensing mechanism is arranged in one of the sliding grooves.
Preferably, the position sensing mechanism includes a sleeve fixedly disposed in the sliding groove, the sleeve extends along a moving direction of the movable support seat, one end of the sleeve, which is far away from the movable support seat, is sealed by a sealing plate, the distance measuring sensor is fixedly disposed on the sealing plate and faces the movable support seat, the sealing plate is further fixedly connected with two mounting rods extending toward the movable support seat, the two switch contacts are respectively and fixedly disposed on the two mounting rods, the movable support seat is fixedly connected with a follower rod facing the sleeve, and the conductive plate is fixedly connected with the follower rod.
Preferably, the movable support base is provided with a containing hole for containing the second roller shaft, a bearing for supporting the second roller shaft is fixedly arranged in the containing hole, the movable support base is further fixedly connected with a guide sliding block, a guide groove extending along the length direction is formed in the inner wall of the sliding groove, and the guide sliding block is arranged in the guide groove in a sliding manner.
Preferably, a grease storage cavity is formed in the movable support seat, grease is stored in the grease storage cavity, the grease storage cavity is communicated with an outlet, and the outlet is communicated with the guide groove.
Preferably, actuating mechanism includes two drive assembly, drive assembly includes driving motor, driving motor is connected with the lead screw through the drive of drive chain, the lead screw sets up in the spout, and be provided with two in the spout and be used for supporting the supporting shoe of lead screw, the cooperation is provided with the ball nut subassembly on the lead screw, ball nut subassembly fixedly connected with two with the catch bar that the lead screw is parallel to each other, two the common fixedly connected with movable plate of catch bar, two the catch bar is sliding connection still common has the welt, the welt pass through the spring with movable supporting seat fixed connection, the welt with be provided with pressure sensor between the movable plate, pressure sensor with controller electric connection.
Preferably, the lining plate is fixedly connected with two insertion rods, one end of the push rod, facing the lining plate, is provided with a jack extending along the axial direction, and the insertion rods are correspondingly inserted into the jacks.
The invention also provides an intelligent control method for the roller gap of the double-roller crusher, which is based on the intelligent control system for the roller gap of the double-roller crusher, and comprises the following steps:
s1, in the working process of the double-roller crusher, the controller measures the moving distance of the movable crushing roller in real time through the distance measuring sensor;
s2, when the moving distance of the movable crushing roller exceeds a set threshold value, so that the roller gap between the fixed crushing roller and the movable crushing roller exceeds a safety range, the controller gives an alarm outwards;
and S3, when the conductive plate is contacted with the two switch contacts, a path is formed between the two switch contacts and is sensed by the controller, and the controller controls the driving mechanism to stop.
Preferably, in step S2, the safety range includes a minimum nip value and a maximum nip value, and the minimum nip value is smaller than the maximum nip value.
Preferably, said electrically conductive plate contacts both of said switch contacts when the nip between said fixed crushing roller and said moving crushing roller reaches said minimum nip value.
Has the advantages that: the invention can monitor the position of the movable crushing roller in the roller type crusher in real time to ensure that the distance between the movable crushing roller and the fixed crushing roller is stable, thereby ensuring that the roller type crusher can smoothly crush materials and simultaneously avoiding the damage to the roller type crusher caused by the impact of the movable crushing roller on the fixed crushing roller.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of a pair roller crusher.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic view of the arrangement of the movable support.
Fig. 4 is a schematic structural view of the position sensing mechanism.
Reference numerals: 1-bottom plate, 2-upright post, 3-top plate, 4-first roller shaft, 5-fixed crushing roller, 6-position sensing mechanism, 7-movable crushing roller, 8-follower rod, 9-movable supporting seat, 10-second roller shaft, 11-spring, 12-sliding groove, 13-connecting mechanism, 14-push rod, 15-lead screw, 16-ball nut component, 17-supporting block, 18-transmission chain, 19-driving motor, 20-supporting plate, 21-inserting rod, 22-lining plate, 23-pressure sensor, 24-movable plate, 25-bearing, 26-lubricating grease storage cavity, 27-outlet, 28-guide sliding block, 29-guide groove, 30-sleeve, 31-sealing plate, 32-mounting rod, 33-switch contact, 34-distance measuring sensor and 35-conductive plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, fig. 1 is a schematic view of an overall structure of a double-roll crusher, fig. 2 is an enlarged view of a portion a in fig. 1, fig. 3 is a schematic view of an arrangement manner of a movable support seat, and fig. 4 is a schematic view of a structure of a position sensing mechanism.
The utility model provides a to roller crusher running roller roll gap intelligence control system, have to roller crusher, to roller crusher includes fixed crushing roller 5 and removal crushing roller 7, it is used for driving the actuating mechanism that removes crushing roller 7 and remove crushing roller 5 and remove to remove crushing roller 7 to be connected with, intelligence control system includes the controller and is used for responding to the position response mechanism 6 that removes crushing roller 7 position, position response mechanism 6 includes fixed range sensor 34 and the two switch contacts 33 that set up, range sensor 34 is used for measuring and removes the displacement of crushing roller 7, it is connected with along with the current conducting plate 35 that removes crushing roller 7 synchronous motion to remove crushing roller 7, form the route between two switch contacts 33 when current conducting plate 35 and two switch contacts 33 contact, controller and range sensor 34 and the equal electric connection of switch contact 33, and the controller still is used for controlling actuating mechanism.
In the operation process of the double-roll crusher, the driving mechanism drives the movable crushing roller 7 to move towards the fixed crushing roller 5, when the distance between the movable crushing roller 7 and the fixed crushing roller 5 meets the crushing requirement, the driving mechanism keeps the current driving force, the situation that materials cannot pass smoothly due to the fact that the distance between the movable crushing roller 7 and the fixed crushing roller 5 is too small is avoided, the situation that the distance between the movable crushing roller 7 and the fixed crushing roller 5 is too large due to the fact that the movable crushing roller 7 rolls back in the crushing process is also avoided, then the materials can be crushed can be started, in the crushing process, the distance measuring sensor 34 continuously monitors the moving distance of the movable crushing roller 7, then the driving force is adjusted in real time according to the moving distance control driving mechanism, so that the distance between the movable crushing roller 7 and the fixed crushing roller 5 is kept stable, when the distance between the movable crushing roller 7 and the fixed crushing roller 5 is possibly too small, the movable crushing roller 7 collides with the fixed crushing roller 5, the conductive plate 35 is in contact with the two switch contacts 33, so that a passage is formed between the two switch contacts 33, and further, the controller can collect signals between the two switch contacts, and further ensure that the movable crushing roller 7 and the fixed crushing roller 5 can be pulled to ensure that the movable crushing roller 7 and the fixed crushing roller 5 can be away from the safe driving mechanism, and the safe driving loss.
The invention can monitor the position of the movable crushing roller 7 in the roller type crusher in real time, so as to ensure the stable distance between the movable crushing roller 7 and the fixed crushing roller 5, further ensure the smooth crushing of materials by the roller type crusher, and simultaneously avoid the damage to the roller type crusher caused by the impact of the movable crushing roller 7 on the fixed crushing roller 5.
The specific structure of the double-roll crusher further comprises: to roll crusher includes the frame, the frame includes that bottom plate 1 and two levels set up roof 3 in bottom plate 1 top, be connected through a plurality of stands 2 between roof 3 and the bottom plate 1, set up the spout 12 that has the level to extend on the roof 3, wear to be equipped with the first roller 4 that is used for supporting fixed crushing roller 5 on the fixed crushing roller 5, the both ends of first roller 4 rotate with two roofs 3 respectively and are connected, wear to be equipped with the second roller 10 that is used for supporting removal crushing roller 7 on the removal crushing roller 7, the both ends of second roller 10 respectively rotate and are connected with a removal supporting seat 9, two removal supporting seats 9 slide respectively and set up in two spouts 12, actuating mechanism removes drive removal crushing roller 7 through drive removal supporting seat 9 and removes, position induction mechanism 6 sets up in one of them spout 12. The movable support 9 is connected with the second roller shaft 10 through a bearing 25.
The specific structure of the position sensing mechanism 6 includes: position induction mechanism 6 is including the fixed sleeve 30 that sets up in spout 12, sleeve 30 extends along the moving direction of mobile support seat 9, the sleeve 30 is kept away from the one end of mobile support seat 9 and is passed through the closing plate 31 and seal, range sensor 34 is fixed to be set up on closing plate 31 and towards mobile support seat 9, closing plate 31 is two installation poles 32 to mobile support seat 9 extension still fixedly connected with, two switch contacts 33 are fixed respectively to be set up on two installation poles 32, mobile support seat 9 fixedly connected with is towards the follower rod 8 of sleeve 30, current conducting plate 35 and follower rod 8 fixed connection. In the operation process of the double-roller crusher, when the movable crushing roller 7 moves towards the fixed crushing roller 5, the movable supporting seat 9 moves synchronously with the movable crushing roller 7, drives the follower rod 8 to move towards the sleeve 30, further drives the conductive plate 35 to move towards the sleeve 30 through the follower rod 8, and when the conductive plate 35 is in contact with the two switch contacts 33, the two switch contacts 33 are switched on. Based on this structure, when guaranteeing that current conducting plate 35 can contact with switch contact 33, avoid current conducting plate 35 and distance measuring sensor 34 to contact to the realization is to distance measuring sensor 34's protection, avoids distance measuring sensor 34 to be strikeed and damage.
The specific connection mode of the movable support seat 9 and the second roller shaft 10 is as follows: the movable support base 9 is provided with a containing hole for containing the second roller 10, a bearing for supporting the second roller 10 is fixedly arranged in the containing hole, the movable support base 9 is further fixedly connected with a guide sliding block 28, a guide groove 29 extending along the length direction is formed in the inner wall of the sliding groove 12, and the guide sliding block 28 is slidably arranged in the guide groove 29.
In order to ensure that the guide slider 28 can slide smoothly in the guide groove 29 and that the drive mechanism can drive the movable crushing roller 7 smoothly, a grease storage chamber 26 is provided in the movable support 9, grease is stored in the grease storage chamber 26, the grease storage chamber 26 communicates with the outlet 27, and the outlet 27 communicates with the guide groove 29, in consideration of the fact that the guide slider 28 needs to slide smoothly in the guide groove 29. In the moving process of the movable supporting seat 9, the lubricating grease stored in the lubricating grease storage cavity 26 slowly flows into the guide groove 29 to lubricate the guide slide block 28, so that the guide slide block 28 can smoothly slide, and the effect of ensuring the movable supporting seat 9 and the movable crushing roller 7 to smoothly move is achieved.
The specific structure of the driving mechanism is as follows: the driving mechanism comprises two driving components, each driving component comprises a driving motor 19, the driving motor 19 (the output end of the driving motor is provided with a driving chain wheel and is omitted in the figure) is in driving connection with a lead screw 15 (the input end of the driving motor is provided with a driven chain wheel and is omitted in the figure) through a transmission chain 18, the lead screw 15 is arranged in a sliding chute 12, two supporting blocks 17 used for supporting the lead screw 15 are arranged in the sliding chute 12, a ball nut component 16 is arranged on the lead screw 15 in a matched mode, the ball nut component 16 is fixedly connected with two push rods 14 which are parallel to the lead screw 15, the two push rods 14 are fixedly connected with a movable plate 24 together, the two push rods 14 are further connected with a lining plate 22 in a sliding mode together, the lining plate 22 is fixedly connected with the movable supporting seat 9 through springs 11, a pressure sensor 23 is arranged between the lining plate 22 and the movable plate 24, and the pressure sensor 23 is electrically connected with a controller. When the driving motor 19 rotates, the lead screw 15 can be driven to rotate through the transmission chain 18, the ball nut assembly 16 is driven to move in the rotation process of the lead screw 15, then the push rod 14 is driven to move in the movement process of the ball nut assembly 16, the moving plate 24 is driven to move in the movement process of the push rod 14, the moving plate 24 pushes the guide slider 28 to move through the lining plate 22 and the spring 11, finally the guide slider 28 is used for driving the movable supporting seat 9 and the movable crushing roller 7 to move, the spring 11 is compressed in the process, the rebound tendency of the spring 11 plays a role in keeping the driving force of the driving mechanism, therefore, the distance between the movable crushing roller 7 and the fixed crushing roller 5 is stabilized, the vibration of the movable crushing roller 7 is reduced, the elastic force of the spring 11 can also be measured by the pressure sensor 23, and when the elastic force of the spring 11 is reduced, the controller controls the driving mechanism to strengthen the driving force so as to keep the position of the movable crushing roller 7. The lining plate 22, the pressure sensor 23, the inserted rod 21 and the insertion hole together form the connecting mechanism 13. Wherein a plurality of the upright posts 2 are connected with a supporting plate 20 for carrying a driving motor 19.
The specific connection mode of the lining plate 22 and the push rod 14 is as follows: two inserted bars 21 are fixedly connected to the lining plate 22, an axially extending insertion hole is formed in one end, facing the lining plate 22, of the push rod 14, and the inserted bars 21 are correspondingly inserted into the insertion hole. Through the cooperation of jack and inserted bar 21, can control the direction and the position of welt 22, avoid welt 22 and pressure sensor 23 to separate.
In a specific embodiment of the invention, the intelligent control system for the roller gap of the double-roller crusher comprises the double-roller crusher, the double-roller crusher comprises a fixed crushing roller 5 and a movable crushing roller 7, the double-roller crusher comprises a rack, the rack comprises a bottom plate 1 and two top plates 3 horizontally arranged above the bottom plate 1, the top plates 3 and the bottom plate 1 are connected through a plurality of upright posts 2, a sliding groove 12 horizontally extending is formed in each top plate 3, a first roller shaft 4 used for supporting the fixed crushing roller 5 is arranged on the fixed crushing roller 5 in a penetrating mode, two ends of each first roller shaft 4 are respectively connected with the two top plates 3 in a rotating mode, a second roller shaft 10 used for supporting the movable crushing roller 7 is arranged on the movable crushing roller 7 in a penetrating mode, two ends of each second roller shaft 10 are respectively connected with a movable supporting seat 9 in a rotating mode, the two movable supporting seats 9 are respectively arranged in the two sliding grooves 12 in a sliding mode, the driving mechanism drives the movable crushing roller 7 to move by driving the movable supporting seat 9 to move, the position sensing mechanism 6 is arranged in one of the sliding grooves 12, the movable supporting seat 9 is connected with the second roller shaft 10 through a bearing 25, in order to ensure that the guide sliding block 28 can slide smoothly and further ensure that the driving mechanism can drive the movable crushing roller 7 smoothly, a lubricating grease storage cavity 26 is arranged in the movable supporting seat 9, lubricating grease is stored in the lubricating grease storage cavity 26, the lubricating grease storage cavity 26 is communicated with an outlet 27, the outlet 27 is communicated with the guide groove 29, the lubricating grease stored in the lubricating grease storage cavity 26 slowly flows into the guide groove 29 during the movement of the movable supporting seat 9, the guide sliding block 28 is lubricated, the guide sliding block 28 can slide smoothly, and the effect of ensuring that the movable supporting seat 9 and the movable crushing roller 7 can move smoothly is achieved, the movable crushing roller 7 is connected with a driving mechanism for driving the movable crushing roller 7 to move towards the fixed crushing roller 5, the intelligent control system comprises a controller and a position sensing mechanism 6 for sensing the position of the movable crushing roller 7, the position sensing mechanism 6 comprises a distance measuring sensor 34 and two switch contacts 33 which are fixedly arranged, the distance measuring sensor 34 is used for measuring the moving distance of the movable crushing roller 7, the movable crushing roller 7 is connected with a conductive plate 35 which moves synchronously with the movable crushing roller 7, when the conductive plate 35 is contacted with the two switch contacts 33, a passage is formed between the two switch contacts 33, the controller is electrically connected with the distance measuring sensor 34 and the switch contacts 33, the controller is also used for controlling the driving mechanism, the position sensing mechanism 6 comprises a sleeve 30 which is fixedly arranged in the sliding groove 12, the sleeve 30 extends along the moving direction of the movable supporting seat 9, one end of the sleeve 30, which is far away from the movable supporting seat 9, is sealed by a sealing plate 31, the distance measuring sensor 34 is fixedly arranged on the closing plate 31 and faces the movable supporting seat 9, the closing plate 31 is further fixedly connected with two mounting rods 32 extending towards the movable supporting seat 9, two switch contacts 33 are respectively fixedly arranged on the two mounting rods 32, the movable supporting seat 9 is fixedly connected with the follower rod 8 facing the sleeve 30, the conductive plate 35 is fixedly connected with the follower rod 8, in the operation process of the double-roll crusher, when the movable crushing roller 7 moves towards the fixed crushing roller 5, the movable supporting seat 9 and the movable crushing roller 7 synchronously move and drive the follower rod 8 to move towards the sleeve 30, further, the conductive plate 35 is driven by the follower rod 8 to move towards the sleeve 30, when the conductive plate 35 is contacted with the two switch contacts 33, the two switch contacts 33 are conducted, based on the structure, the conductive plate 35 is ensured to be contacted with the switch contacts 33, the contact between the conductive plate 35 and the distance measuring sensor 34 is avoided, thereby protecting the distance measuring sensor 34 and avoiding the distance measuring sensor 34 from being damaged by collision, the driving mechanism comprises two driving components, the driving components comprise a driving motor 19, the driving motor 19 is in driving connection with a screw 15 through a transmission chain 18, the screw 15 is arranged in a chute 12, two supporting blocks 17 for supporting the screw 15 are arranged in the chute 12, a ball nut component 16 is arranged on the screw 15 in a matching way, the ball nut component 16 is fixedly connected with two push rods 14 which are parallel to the screw 15, the two push rods 14 are fixedly connected with a movable plate 24 together, the two push rods 14 are also connected with a lining plate 22 in a sliding way together, the lining plate 22 is fixedly connected with a movable supporting seat 9 through a spring 11, a pressure sensor 23 is arranged between the lining plate 22 and the movable plate 24, and the pressure sensor 23 is electrically connected with a controller, when the driving motor 19 rotates, the lead screw 15 can be driven to rotate through the transmission chain 18, the ball nut assembly 16 is driven to move in the rotation process of the lead screw 15, then the push rod 14 is driven to move in the movement process of the ball nut assembly 16, the moving plate 24 is driven to move in the movement process of the push rod 14, the moving plate 24 pushes the guide slider 28 to move through the lining plate 22 and the spring 11, finally the guide slider 28 is used for driving the movable supporting seat 9 and the movable crushing roller 7 to move, the spring 11 is compressed in the process, the rebound tendency of the spring 11 plays a role in keeping the driving force of the driving mechanism, so that the distance between the movable crushing roller 7 and the fixed crushing roller 5 is stabilized, the vibration of the movable crushing roller 7 is reduced, the elastic force of the spring 11 can also be measured by the pressure sensor 23, and the controller controls the driving mechanism to strengthen the driving force when the elastic force of the spring 11 is reduced, in order to maintain the position of removing crushing roller 7, two inserted bar 21 of welt 22 fixedly connected with, the jack of following axial extension is seted up towards the one end of welt 22 to catch bar 14, and inserted bar 21 corresponds and inserts in the jack, through the cooperation of jack and inserted bar 21, can control welt 22's direction and position, avoids welt 22 and pressure sensor 23 to separate.
An intelligent control method for a roller gap of a double-roller crusher is based on the intelligent control system for the roller gap of the double-roller crusher and comprises steps S1 to S3.
S1, in the working process of the double-roller crusher, the controller measures the moving distance of the movable crushing roller 7 in real time through the distance measuring sensor 34.
And S2, when the moving distance of the movable crushing roller 7 exceeds a set threshold value, so that the roller gap between the fixed crushing roller 5 and the movable crushing roller 7 exceeds a safe range, the controller gives an alarm outwards. In step S2, the safety range includes a minimum nip value and a maximum nip value, the minimum nip value being smaller than the maximum nip value, and the conductive plate 35 is in contact with the two switch contacts 33 when the nip between the fixed crushing roller 5 and the movable crushing roller 7 reaches the minimum nip value.
And S3, when the conductive plate 35 is contacted with the two switch contacts 33, a path is formed between the two switch contacts 33 and is sensed by the controller, and the controller controls the driving mechanism to stop.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (2)

1. A pair roller crusher roller roll gap intelligence control system, has pair roller crusher, pair roller crusher includes fixed crushing roller (5) and removal crushing roller (7), removal crushing roller (7) are connected with and are used for driving removal crushing roller (7) to the actuating mechanism that fixed crushing roller (5) removed, characterized in that: the intelligent control system comprises a controller and a position sensing mechanism (6) for sensing the position of the movable crushing roller (7), wherein the position sensing mechanism (6) comprises a distance measuring sensor (34) and two switch contacts (33), which are fixedly arranged, the distance measuring sensor (34) is used for measuring the moving distance of the movable crushing roller (7), the movable crushing roller (7) is connected with a conductive plate (35) which moves synchronously with the movable crushing roller (7), a passage is formed between the two switch contacts (33) when the conductive plate (35) is contacted with the two switch contacts (33), the controller is electrically connected with the distance measuring sensor (34) and the switch contacts (33), and the controller is also used for controlling the driving mechanism;
the double-roller crusher comprises a frame, the frame comprises a bottom plate (1) and two top plates (3) horizontally arranged above the bottom plate (1), the top plates (3) are connected with the bottom plate (1) through a plurality of upright posts (2), horizontally extending sliding grooves (12) are formed in the top plates (3), first roller shafts (4) used for supporting the fixed crushing rollers (5) penetrate through the fixed crushing rollers (5), two ends of each first roller shaft (4) are respectively connected with the two top plates (3) in a rotating mode, second roller shafts (10) used for supporting the movable crushing rollers (7) penetrate through the movable crushing rollers (7), two ends of each second roller shaft (10) are respectively connected with a movable supporting seat (9) in a rotating mode, the two movable supporting seats (9) are respectively arranged in the two sliding grooves (12) in a sliding mode, a driving mechanism drives the movable supporting seats (9) to move so as to drive the movable crushing rollers (7) to move, and a position sensing mechanism (6) is arranged in one of the sliding grooves (12);
the position sensing mechanism (6) comprises a sleeve (30) fixedly arranged in the sliding chute (12), the sleeve (30) extends along the moving direction of the movable supporting seat (9), one end, away from the movable supporting seat (9), of the sleeve (30) is sealed by a sealing plate (31), the distance measuring sensor (34) is fixedly arranged on the sealing plate (31) and faces towards the movable supporting seat (9), the sealing plate (31) is also fixedly connected with two mounting rods (32) extending towards the movable supporting seat (9), two switch contacts (33) are respectively and fixedly arranged on the two mounting rods (32), the movable supporting seat (9) is fixedly connected with a follower rod (8) facing towards the sleeve (30), and the conductive plate (35) is fixedly connected with the follower rod (8);
the movable supporting seat (9) is provided with an accommodating hole for accommodating the second roller shaft (10), a bearing for supporting the second roller shaft (10) is fixedly arranged in the accommodating hole, the movable supporting seat (9) is also fixedly connected with a guide sliding block (28), the inner wall of the sliding groove (12) is provided with a guide groove (29) extending along the length direction, and the guide sliding block (28) is arranged in the guide groove (29) in a sliding manner;
a lubricating grease storage cavity (26) is formed in the movable supporting seat (9), lubricating grease is stored in the lubricating grease storage cavity (26), an outlet (27) is communicated with the lubricating grease storage cavity (26), and the outlet (27) is communicated with the guide groove (29);
the driving mechanism comprises two driving components, each driving component comprises a driving motor (19), the driving motor (19) is in driving connection with a lead screw (15) through a transmission chain (18), the lead screw (15) is arranged in the sliding chute (12), two supporting blocks (17) used for supporting the lead screw (15) are arranged in the sliding chute (12), a ball nut component (16) is arranged on the lead screw (15) in a matching mode, the ball nut component (16) is fixedly connected with two pushing rods (14) which are parallel to the lead screw (15), the two pushing rods (14) are fixedly connected with a moving plate (24) together, the two pushing rods (14) are further connected with a lining plate (22) in a sliding mode together, the lining plate (22) is fixedly connected with the moving supporting seat (9) through springs (11), a pressure sensor (23) is arranged between the lining plate (22) and the moving plate (24), and the pressure sensor (23) is electrically connected with the controller;
two inserted bars (21) of welt (22) fixedly connected with, catch bar (14) orientation the jack of extending along the axial is seted up to the one end of welt (22), inserted bar (21) correspond insert in the jack.
2. An intelligent control method for a roller gap of a double-roller crusher based on the intelligent control system for the roller gap of the double-roller crusher as claimed in claim 1, characterized in that: the method comprises the following steps:
s1, in the working process of the double-roller crusher, the controller measures the moving distance of the movable crushing roller (7) in real time through the distance measuring sensor (34);
s2, when the moving distance of the movable crushing roller (7) exceeds a set threshold value, the roller gap between the fixed crushing roller (5) and the movable crushing roller (7) exceeds a safe range, and the controller gives an alarm outwards; the safety range includes a minimum nip value and a maximum nip value, the minimum nip value being less than the maximum nip value; said conductive plate (35) being in contact with both of said switching contacts (33) when the nip between said fixed crushing roller (5) and said mobile crushing roller (7) reaches said minimum nip value;
and S3, when the conductive plate (35) is contacted with the two switch contacts (33), a path is formed between the two switch contacts (33) and is sensed by the controller, and the controller controls the driving mechanism to stop.
CN202211141019.9A 2022-09-20 2022-09-20 Intelligent control system and method for roller gap of double-roller crusher Active CN115212968B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211141019.9A CN115212968B (en) 2022-09-20 2022-09-20 Intelligent control system and method for roller gap of double-roller crusher

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211141019.9A CN115212968B (en) 2022-09-20 2022-09-20 Intelligent control system and method for roller gap of double-roller crusher

Publications (2)

Publication Number Publication Date
CN115212968A CN115212968A (en) 2022-10-21
CN115212968B true CN115212968B (en) 2022-12-02

Family

ID=83616950

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211141019.9A Active CN115212968B (en) 2022-09-20 2022-09-20 Intelligent control system and method for roller gap of double-roller crusher

Country Status (1)

Country Link
CN (1) CN115212968B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5372315A (en) * 1992-08-07 1994-12-13 Kloeckner-Humboldt-Deutz Ag Method and system for the pressure treatment of granular material
CN103316736A (en) * 2013-06-07 2013-09-25 飞翼股份有限公司 High-pressure roller mill distance-adjustment safety-protection device and control method thereof
CN203304003U (en) * 2013-06-07 2013-11-27 飞翼股份有限公司 Distance adjustment safety protection device of high-pressure roller mill
CN108889377A (en) * 2018-08-18 2018-11-27 枣庄鑫金山智能机械股份有限公司 A kind of patrilineal line of descent with only one son in each generation hydrodynamic pressure roll pressing sand machine
CN208542276U (en) * 2018-05-29 2019-02-26 河南烨达新材科技股份有限公司 A kind of sand making machine double-roll device
CN210646567U (en) * 2019-05-15 2020-06-02 国电建投内蒙古能源有限公司 Double-geared roller crusher with movable toothed roller operation monitoring device
CN217431823U (en) * 2022-04-07 2022-09-16 东莞碳盈复合材料有限公司 Digital display controlling means rolls

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2414372A (en) * 2004-05-27 2005-11-30 Cnh Belgium Nv Kernel cracking assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5372315A (en) * 1992-08-07 1994-12-13 Kloeckner-Humboldt-Deutz Ag Method and system for the pressure treatment of granular material
CN103316736A (en) * 2013-06-07 2013-09-25 飞翼股份有限公司 High-pressure roller mill distance-adjustment safety-protection device and control method thereof
CN203304003U (en) * 2013-06-07 2013-11-27 飞翼股份有限公司 Distance adjustment safety protection device of high-pressure roller mill
CN208542276U (en) * 2018-05-29 2019-02-26 河南烨达新材科技股份有限公司 A kind of sand making machine double-roll device
CN108889377A (en) * 2018-08-18 2018-11-27 枣庄鑫金山智能机械股份有限公司 A kind of patrilineal line of descent with only one son in each generation hydrodynamic pressure roll pressing sand machine
CN210646567U (en) * 2019-05-15 2020-06-02 国电建投内蒙古能源有限公司 Double-geared roller crusher with movable toothed roller operation monitoring device
CN217431823U (en) * 2022-04-07 2022-09-16 东莞碳盈复合材料有限公司 Digital display controlling means rolls

Also Published As

Publication number Publication date
CN115212968A (en) 2022-10-21

Similar Documents

Publication Publication Date Title
AU2011253613B2 (en) Moveable shaft assembly
CN115212968B (en) Intelligent control system and method for roller gap of double-roller crusher
CN201353509Y (en) Micro-control hydraulic fine crusher
CN113737860B (en) Cover plate type protection system with detection function for foundation pit
CN112808381B (en) Crusher roll gap adjusting device, crusher and crusher roll gap control method
CN201669746U (en) Punching device of non-woven fabrics suspension belt
CN214184619U (en) Rolling mill screwdown limit control device
CN210474972U (en) Weld tape calender
CN115254384B (en) Intelligent control system and method for crushing production line
CN218809070U (en) Anti-rotation easy-open lid falling device
EP0188348A2 (en) Rolling mill roll stands
CN202238886U (en) Outer installation frame with upper rolling line adjusting device for roll box of cold-rolling mill
CN220297653U (en) Calendering device
CN112517874A (en) Vacuum die casting equipment for manufacturing aluminum alloy
CN215660691U (en) Detection device for movable end of electronic die-cutting machine
CN115400826B (en) Construction waste recycling device and recycling method thereof
CN217574924U (en) Connector installation device and charging rack comprising same
CN107651405A (en) A kind of feeding-distribution device based on industrial machinery
CN212754006U (en) Cake forming and tail removing device
CN220514281U (en) Double-roller crusher with distance-adjusting structure
CN220160902U (en) Metal calendering processingequipment convenient to adjust
CN110898888B (en) Crushing device and crushing method for ore metallurgy processing process
CN218109111U (en) Horizontal symmetrical riveting machine
CN118002782B (en) Calcium metal ingot pressing device
CN221847282U (en) Ore crusher

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant