CN119349153A - Mixed material spiral conveying device and method - Google Patents
Mixed material spiral conveying device and method Download PDFInfo
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- CN119349153A CN119349153A CN202411912692.7A CN202411912692A CN119349153A CN 119349153 A CN119349153 A CN 119349153A CN 202411912692 A CN202411912692 A CN 202411912692A CN 119349153 A CN119349153 A CN 119349153A
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Abstract
本发明涉及螺旋输送设备技术领域，公开了一种混合料螺旋输送设备和方法，所述混合料螺旋输送设备，包括输送机构，设置于锅体的排液口下方，输送机构包括槽体和安装于槽体内的螺旋杆；传动组件，与螺旋杆传动连接，传动组件包括安装于螺旋杆上的从动轮和与从动轮连接的主动轮，从动轮和主动轮上均安装有摩擦片；驱动部，包括输送电机和与输送电机连接的变速器，变速器连接有输出轴且主动轮安装于输出轴上；调节组件，连接并带动从动轮靠近或远离主动轮；测速机构，与螺旋杆或输出轴连接并用于测量从动轮或主动轮的转速。本发明，能够在多次调试过程中避免驱动部多次启动和停止，有效地保护了驱动部，解决了难以对入料机构进行维护和调试的问题。
The present invention relates to the technical field of screw conveying equipment, and discloses a mixed material screw conveying equipment and method, wherein the mixed material screw conveying equipment comprises a conveying mechanism, which is arranged below the discharge port of a pot body, and the conveying mechanism comprises a tank body and a screw rod installed in the tank body; a transmission assembly, which is connected to the screw rod in transmission, and the transmission assembly comprises a driven wheel installed on the screw rod and a driving wheel connected to the driven wheel, and friction plates are installed on both the driven wheel and the driving wheel; a driving part, which comprises a conveying motor and a transmission connected to the conveying motor, and the transmission is connected to an output shaft and the driving wheel is installed on the output shaft; an adjustment component, which is connected and drives the driven wheel to approach or move away from the driving wheel; and a speed measuring mechanism, which is connected to the screw rod or the output shaft and is used to measure the speed of the driven wheel or the driving wheel. The present invention can avoid multiple starts and stops of the driving part during multiple debugging processes, effectively protect the driving part, and solve the problem of difficulty in maintaining and debugging the feeding mechanism.
Description
Technical Field
The invention relates to the technical field of screw conveying equipment, in particular to mixed material screw conveying equipment and a mixed material screw conveying method.
Background
In some production processes, a mixture formed by mixing solid materials and liquid materials is required to be conveyed, and the mixture can be conveyed by adopting screw conveying equipment, so that the solid materials are prevented from being accumulated at a certain position in the liquid materials in a concentrated manner, and the uniformity of the mixture can be ensured. The prior spiral conveying equipment comprises a feeding mechanism, a group of symmetrical feeding mechanisms and ash removing equipment, wherein the feeding mechanisms comprise feeding barrels, threaded rods and a group of L-shaped sliding plates, the threaded rods penetrate through the front sides of the feeding barrels, the threaded rods are located on one end face fixedly arranged on the outer positions of the feeding barrels and provided with first baffle plates, the threaded rods are located on one end face fixedly arranged on the inner positions of the feeding barrels and provided with fixing plates, two sides of the feeding barrels are respectively penetrated through the L-shaped sliding plates, first fixing columns and second fixing columns, one end face of each of the first fixing columns and one end face of each of the second fixing columns are fixedly connected with one inner wall of each of the L-shaped sliding plates, and first springs are transversely arranged between one inner wall of each of the L-shaped sliding plates and one inner wall of each of the feeding barrels. This spiral conveying equipment can make the distance between two L type slide increase under the drive of fixed plate through setting up pan feeding mechanism, makes the distance between two L type slide reduce under the effect of first spring to change the feed volume.
The existing spiral conveying equipment has the following problems that when the threaded rod of the feeding mechanism is excessively loaded, the rotating speed of a driving motor connected with the threaded rod is excessively low, so that the driving motor is overheated and further the ageing of a coil is accelerated, and the feeding mechanism is difficult to maintain and debug.
Based on the above situation, there is a need for a mixed material spiral conveying apparatus for solving the problem that it is difficult to maintain and debug a feeding mechanism.
Disclosure of Invention
The invention aims at solving the problems that the prior spiral conveying equipment is difficult to maintain and debug the feeding mechanism because the driving motor is overheated and the aging of a coil is accelerated due to the fact that the rotating speed of the driving motor connected with a threaded rod is too low when the threaded rod of the feeding mechanism is excessively loaded, and the feeding mechanism is difficult to maintain and debug.
The technical scheme of the invention is as follows:
in one aspect, the present invention provides a mix screw conveyor apparatus comprising:
The conveying mechanism is arranged below the liquid outlet of the pot body and comprises a groove body and a screw rod arranged in the groove body;
The transmission assembly is in transmission connection with the screw rod and comprises a driven wheel arranged on the screw rod and a driving wheel connected with the driven wheel, and friction plates are arranged on the driven wheel and the driving wheel;
the driving part comprises an output shaft, and the driving wheel is arranged on the output shaft;
the adjusting component is connected with and drives the driven wheel to be close to or far away from the driving wheel;
And the speed measuring mechanism is connected with the screw rod or the output shaft and is used for measuring the rotating speed of the driven wheel or the driving wheel.
The existing spiral conveying equipment, when the threaded rod load of feed mechanism is too big, the driving motor rotational speed that is connected with the threaded rod is too low, lead to driving motor overheated and then the acceleration coil ageing, be difficult to maintain and debug feed mechanism, in this scheme, drive the action wheel through the output shaft on the drive division and rotate, and then drive follow driving wheel and hob synchronous rotation, work as the hob load is too big or take place other abnormal conditions, will lead to the friction disc on follow driving wheel and the action wheel skids, can measure the rotational speed difference from driving wheel and action wheel through speed measuring mechanism this moment, and then control adjusting assembly drives from the driving wheel and keep away from the action wheel, conveying mechanism shut down so that maintain, after the maintenance is finished through adjusting assembly drives from the driving wheel and is close to tightly the action wheel, be convenient for to carry out the debugging to hob normal rotation, can avoid drive division to start and stop many times in many times debugging processes, has protected effectively drive division, has solved the problem that is difficult to maintain and debug feed mechanism.
Furthermore, the scheme is not limited to the specific structure of the adjusting assembly, and one feasible scheme is that the adjusting assembly comprises a movable shaft seat and a shaft sleeve arranged on the movable shaft seat, a prism is formed on the screw rod and is arranged in the shaft sleeve, and the driven wheel is connected with the shaft sleeve.
Furthermore, in order to facilitate the adjustment of the maximum static friction force between the driven wheel and the driving wheel, one possible scheme is that the movable shaft seat is connected with an air cylinder and the air cylinder is arranged on the groove body, when the scheme is adopted, the air cylinder pushes the movable shaft seat, the magnitude of the precompression generated between the driven wheel and the driving wheel can be adjusted by adjusting the air pressure in the air cylinder, and then the maximum static friction force between the driven wheel and the driving wheel is adjusted, and when the screw rod load is larger than the maximum static friction force, the slippage occurs between the driven wheel and the driving wheel.
Furthermore, the speed measuring mechanism is not limited to a specific structure, and one possible scheme is that the speed measuring mechanism comprises a cam which is respectively arranged on an output shaft and a screw rod, and a follower which is in contact with the cam, wherein the follower is connected with a converter which is used for converting a mechanical signal into an electric signal, and the converter is electrically connected with external analysis equipment.
Furthermore, the specific structure of the converter is not limited solely, and one possible scheme is that the converter comprises a resistor ring contacted with a driven member, a spring is arranged in the resistor ring and is used for pushing the driven member to a cam, and when the scheme is adopted, the driven member can be always abutted against the cam through the spring, and the contact point between the driven member and the resistor ring is continuously changed along with the rotation of the cam.
Furthermore, the scheme is not limited to the specific structure of the driven member, and one possible scheme is that the driven member comprises a movable rod and a roller arranged on the movable rod, the roller is in contact with a cam, and a lug which is in contact with a resistor ring is formed on the movable rod.
Furthermore, in order to facilitate the adjustment of the flow rate of the mixture, one possible scheme is that a feed hopper is arranged on the conveying mechanism, two movable plates which are obliquely arranged are arranged on the feed hopper and are used for adjusting the flow rate of the feed hopper, and when the scheme is adopted, the flow rate of the mixture in the feed hopper can be conveniently and rapidly adjusted by adjusting the position of the movable plates so as to be convenient for matching the conveying capacity of the screw rod.
On the other hand, the invention also provides a spiral conveying method of the mixture, which comprises the following steps:
Opening a liquid discharge valve on the pot body to enable the mixture to flow into the conveying mechanism;
During the working process of the conveying mechanism, the rotating speed v 1 of the driving wheel and the rotating speed v 2 of the driven wheel are respectively monitored;
If the ratio of v 1 to v 2 exceeds a preset range or the difference exceeds the preset range, separating the driving wheel from the driven wheel, and maintaining the conveying mechanism;
and after the maintenance of the conveying mechanism is finished, the driving wheel is contacted with the driven wheel again and is debugged.
By monitoring the rotation speeds of the driving wheel and the driven wheel and comparing, the driven wheel can be timely far away from the driving wheel when slipping occurs between the driving wheel and the driven wheel.
Furthermore, the method for monitoring the rotation speeds of the driving wheel and the driven wheel is not limited, and one possible scheme is that the method for monitoring the rotation speeds v 1 of the driving wheel and the rotation speeds v 2 of the driven wheel comprises the following steps:
The driving wheel and the driven wheel generate corresponding periodic mechanical signals, and the mechanical signals are converted into corresponding voltage signals and transmitted to an oscilloscope;
And analyzing voltage signals corresponding to the driving wheel and the driven wheel through an oscilloscope and calculating corresponding rotating speeds.
The oscilloscope can convert the voltage signals generated in the rotation process of the driving wheel and the driven wheel into visible waveforms, can intuitively display the change process of the voltage signals, has small inertia of electron beams of the oscilloscope, can display nanosecond-level rapid processes, and can simultaneously display the voltage signals corresponding to the driving wheel and the driven wheel on the same fluorescent screen.
Furthermore, the scheme is not limited to a calculation method of the rotation speeds of the driving wheel and the driven wheel, and one feasible scheme is that the method comprises the steps of analyzing voltage signals corresponding to the driving wheel and the driven wheel through an oscilloscope and calculating corresponding rotation speeds, wherein the method comprises the steps of;
Recording a plurality of occurrence moments of each wave crest or wave trough formed by the voltage signals corresponding to the driving wheel or the driven wheel;
and calculating the time interval between two adjacent wave crests or wave troughs to obtain the time required by one circle of rotation of the driving wheel or the driven wheel, and converting the time into corresponding rotating speed.
The vertical control system of the oscilloscope can conveniently and rapidly acquire the corresponding time of the wave crest or the wave trough, and the rotating speed of the driving wheel or the driven wheel is calculated.
Compared with the prior art, the invention has the beneficial effects that:
1. The output shaft on the driving part drives the driving wheel to rotate, so that the driven wheel and the screw rod are driven to synchronously rotate, when the screw rod is overloaded or other abnormal conditions occur, the friction plates on the driven wheel and the driving wheel are caused to slip, at the moment, the speed of the driven wheel can be measured to be different from that of the driving wheel through the speed measuring mechanism, and then the adjusting assembly is controlled to drive the driven wheel to be far away from the driving wheel, the conveying mechanism stops so as to facilitate maintenance, and after the maintenance is finished, the adjusting assembly drives the driven wheel to be close to and tightly prop against the driving wheel, so that the conveying mechanism is convenient to debug, until the screw rod normally rotates, the driving part can be prevented from being started and stopped for a plurality of times in the process of debugging, the driving part is effectively protected, and the problem that the feeding mechanism is difficult to maintain and debug is solved;
2. the movable shaft seat is connected with the air cylinder and is arranged on the groove body, the air cylinder pushes the movable shaft seat, the magnitude of the pre-pressure generated between the driven wheel and the driving wheel can be adjusted by adjusting the air pressure in the air cylinder, and then the maximum static friction force between the driven wheel and the driving wheel is adjusted, and when the screw rod load is larger than the maximum static friction force, the slippage occurs between the driven wheel and the driving wheel;
3. Because the speed measuring mechanism comprises cams which are respectively arranged on the output shaft and the screw rod, and followers which are in contact with the cams, the followers are connected with converters which are used for converting mechanical signals into electric signals, the converters are electrically connected with external analysis equipment, the corresponding followers can be driven to reciprocate in the rotation process of the driven wheels and the driving wheels through the cams, and the mechanical signals of the followers are converted into electric signals through the converters for analysis, so that the rotation speeds of the driven wheels and the driving wheels are obtained, and the reliability is high.
Drawings
FIG. 1 is a schematic view of a first view structure in one embodiment of the present invention;
FIG. 2 is a schematic diagram of an overall second view structure and a partial enlarged view thereof according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a conveying mechanism and a partial enlarged view thereof according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a driving portion according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a speed measurement assembly according to an embodiment of the present invention;
FIG. 6 is a schematic view of a follower structure and a partial enlarged view thereof according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a transducer according to an embodiment of the present invention;
FIG. 8 is a schematic view of a feeding hopper according to an embodiment of the present invention;
FIG. 9 is a cross-sectional view of a feed hopper according to an embodiment of the invention;
FIG. 10 is a flow chart of an embodiment of the present invention.
Reference numerals:
1. A conveying mechanism; 2, a transmission component, 3, a driving part, 4, an adjusting component, 5, a speed measuring mechanism, 6, and a feed hopper;
11. 12 parts of groove body, 12 parts of screw rod, 13 parts of prism;
21. driven wheel 22, driving wheel 23, friction plate;
31. 32, a speed changer, 33, a conveying motor;
41. 42 parts of movable shaft seat, 43 parts of shaft sleeve and air cylinder;
51. cam, 52, follower, 53, transducer;
521. 522, roller, 523 and bump;
531. 532, spring;
61. The movable plate, 62, a gear, 63, a first bevel gear, 64, a second bevel gear, 65, a rotating shaft, 66 and a hand wheel;
611. A rack.
Detailed Description
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
As described in the background art, the existing screw conveyor apparatus has the following problems:
When the threaded rod load of the feeding mechanism is overlarge, the rotating speed of the driving motor connected with the threaded rod is too low, so that the driving motor is overheated and then the coil is aged, and the feeding mechanism is difficult to maintain and debug. For this reason, the present invention provides the following examples.
Embodiment one:
referring to fig. 1, 2 and 3, this embodiment provides a mix screw conveying apparatus, including:
the conveying mechanism 1 is arranged below the liquid outlet of the pot body, and the conveying mechanism 1 comprises a groove body 11 and a screw rod 12 arranged in the groove body 11;
The transmission assembly 2 is in transmission connection with the screw rod 12, the transmission assembly 2 comprises a driven wheel 21 arranged on the screw rod 12 and a driving wheel 22 connected with the driven wheel 21, and friction plates 23 are arranged on the driven wheel 21 and the driving wheel 22;
The driving part 3 comprises a conveying motor 33 and a transmission 32 connected with the conveying motor 33, wherein the transmission 32 is connected with an output shaft 31, and the driving wheel 22 is arranged on the output shaft 31;
The adjusting component 4 is connected with and drives the driven wheel 21 to approach or depart from the driving wheel 22;
the speed measuring mechanism 5 is connected with the screw rod 12 or the output shaft 31 and is used for measuring the rotating speed of the driven wheel 21 or the driving wheel 22;
The conveying mechanism 1, the driving part 3 and the speed measuring mechanism 5 are all mounted on a supporting seat (not shown in the figure).
In the prior screw conveying equipment, when the threaded rod of a feeding mechanism is excessively heavy in load, the rotating speed of a driving motor connected with the threaded rod is excessively low, so that the driving motor is overheated and the coil is accelerated to age, the feeding mechanism is difficult to maintain and debug, in the scheme, an output shaft 31 on a driving part 3 drives a driving wheel 22 to rotate and further drives a driven wheel 21 and a screw rod 12 to synchronously rotate, when the screw rod 12 is excessively heavy in load or other abnormal conditions occur, friction plates 23 on the driven wheel 21 and the driving wheel 22 are caused to skid, at the moment, the rotating speeds of the driven wheel 21 and the driving wheel 22 can be measured through a speed measuring mechanism 5, and then an adjusting component 4 drives the driven wheel 21 to be far away from the driving wheel 22, the conveying mechanism 1 is stopped so as to facilitate maintenance, and after the maintenance is finished, the driven wheel 21 is driven to be close to and abutted against the driving wheel 22 so as to debug the conveying mechanism 1 until the screw rod 12 normally rotates, the driving part 3 can be prevented from being started and stopped for multiple times in the process of debugging, the driving part 3 is effectively protected, and the problem that the feeding mechanism is difficult to maintain and debug is solved.
Referring to fig. 3, the present solution is not limited to the specific structure of the adjusting assembly 4, and one possible solution is that the adjusting assembly 4 includes a movable shaft seat 41 and a shaft sleeve 42 mounted on the movable shaft seat 41, a prism 13 is formed on the screw rod 12 and is disposed in the shaft sleeve 42, the driven wheel 21 is connected with the shaft sleeve 42, and when the solution is adopted, the movable shaft seat 41 drives the shaft sleeve 42 and the driven wheel 21 to move along the axial direction of the screw rod 12, so that the driven wheel 21 is close to or far from the driving wheel 22.
In order to facilitate the adjustment of the maximum static friction between the driven wheel 21 and the driving wheel 22, one possible solution is that the movable shaft seat 41 is connected with the air cylinder 43, and the air cylinder 43 is mounted on the groove 11, when the solution is adopted, the air cylinder 43 pushes the movable shaft seat 41, and the magnitude of the pre-pressure generated between the driven wheel 21 and the driving wheel 22 can be adjusted by adjusting the air pressure in the air cylinder 43, so that the maximum static friction between the driven wheel 21 and the driving wheel 22 is adjusted, and when the load of the screw rod 12 is greater than the maximum static friction, the slippage occurs between the driven wheel 21 and the driving wheel 22.
Referring to fig. 3, 4 and 5, the present invention is not limited to the specific structure of the tachometer 5, and one possible solution is that the tachometer 5 includes a cam 51 mounted on the output shaft 31 and the screw rod 12, respectively, and a follower 52 contacting with the cam 51, the follower 52 is connected with a converter 53 for converting a mechanical signal into an electrical signal, and the converter 53 is electrically connected with an external analysis device.
Referring to fig. 7, the present solution is not limited to the specific structure of the converter 53, and one possible solution is that the converter 53 includes a resistor ring 531 contacting the follower 52, a spring 532 is installed in the resistor ring 531 and is used for pushing the follower 52 towards the cam 51, and when this solution is adopted, the follower 52 can be always abutted against the cam 51 by the spring 532, and as the cam 51 rotates, the contact point between the follower 52 and the resistor ring 531 is continuously changed.
Referring to fig. 6, the present embodiment is not limited to the specific structure of the follower 52, and one possible embodiment is that the follower 52 includes a movable rod 521 and a roller 522 mounted on the movable rod 521, the roller 522 is in contact with the cam 51, and a protrusion 523 in contact with the resistor 531 is formed on the movable rod 521, and in this embodiment, wear between the roller 522 and the cam 51 can be reduced.
Referring to fig. 8 and 9, in order to facilitate the adjustment of the flow rate of the mixture, one possible solution is that a feeding hopper 6 is mounted on the conveying mechanism 1, two movable plates 61 are mounted on the feeding hopper 6 and are arranged in an inclined manner, and the movable plates 61 are used for adjusting the flow rate of the feeding hopper 6.
The driving structure of the movable plate 61 is not limited only, but one of the possible schemes is that a rack 611 is formed on the movable plate 61 and the rack 611 is meshed with a gear 62, and the two gears 62 are connected in a transmission way.
The present solution is not limited to the transmission structure of the two gears 62, and one possible solution is that the gears 62 are connected with a first bevel gear 63, the first bevel gear 63 is meshed with a second bevel gear 64, and the two second bevel gears 64 are both mounted on a rotating shaft 65.
In order to facilitate the rotation of the rotating shaft 65, one possible solution is that a hand wheel 66 is mounted on the rotating shaft 65, and when the solution is adopted, the rotating shaft 65 can be rotated conveniently and rapidly by operating the hand wheel 66.
Embodiment two:
Referring to fig. 10, this embodiment provides a mix screw conveying method, including:
s100, opening a liquid discharge valve on the pot body to enable the mixture to flow into the conveying mechanism;
s200, respectively monitoring the rotation speed v 1 of the driving wheel and the rotation speed v 2 of the driven wheel in the working process of the conveying mechanism;
S300, if the ratio of v 1 to v 2 exceeds a preset range or the difference exceeds the preset range, separating the driving wheel from the driven wheel, and maintaining the conveying mechanism;
s400, after maintenance of the conveying mechanism is finished, the driving wheel is contacted with the driven wheel again, and debugging is carried out.
By monitoring the rotation speeds of the driving wheel and the driven wheel and comparing, the driven wheel can be timely far away from the driving wheel when slipping occurs between the driving wheel and the driven wheel.
The scheme is not limited to a method for monitoring the rotation speeds of the driving wheel and the driven wheel, and one feasible scheme is that the method for monitoring the rotation speed v 1 of the driving wheel and the rotation speed v 2 of the driven wheel comprises the following steps:
The driving wheel and the driven wheel generate corresponding periodic mechanical signals, and the mechanical signals are converted into corresponding voltage signals and transmitted to an oscilloscope;
And analyzing voltage signals corresponding to the driving wheel and the driven wheel through an oscilloscope and calculating corresponding rotating speeds.
The oscilloscope can convert the voltage signals generated in the rotation process of the driving wheel and the driven wheel into visible waveforms, can intuitively display the change process of the voltage signals, has small inertia of electron beams of the oscilloscope, can display nanosecond-level rapid processes, and can simultaneously display the voltage signals corresponding to the driving wheel and the driven wheel on the same fluorescent screen.
The scheme is not limited to a calculation method of the rotation speeds of the driving wheel and the driven wheel, and one feasible scheme is that voltage signals corresponding to the driving wheel and the driven wheel are analyzed through an oscilloscope, and corresponding rotation speeds are calculated, wherein the method comprises the following steps of;
Recording a plurality of occurrence moments of each wave crest or wave trough formed by the voltage signals corresponding to the driving wheel or the driven wheel;
and calculating the time interval between two adjacent wave crests or wave troughs to obtain the time required by one circle of rotation of the driving wheel or the driven wheel, and converting the time into corresponding rotating speed.
The vertical control system of the oscilloscope can conveniently and rapidly acquire the corresponding time of the wave crest or the wave trough, and the rotating speed of the driving wheel or the driven wheel is calculated.
In order to solve the problem that maintenance and debugging are difficult to carry out on the pan feeding mechanism, in the scheme, the output shaft 31 on the driving part 3 drives the driving wheel 22 to rotate, and then drives the driven wheel 21 and the spiral rod 12 to synchronously rotate, when the spiral rod 12 is excessively loaded or other abnormal conditions occur, the friction plate 23 on the driven wheel 21 and the driving wheel 22 can be caused to slip, at the moment, the speed measuring mechanism 5 can measure the rotation speed difference between the driven wheel 21 and the driving wheel 22, and then the adjusting assembly 4 is controlled to drive the driven wheel 21 to be far away from the driving wheel 22, the conveying mechanism 1 is stopped so as to facilitate maintenance, and after the maintenance is finished, the adjusting assembly 4 is used for driving the driven wheel 21 to be close to and tightly abut against the driving wheel 22, so that the conveying mechanism 1 is conveniently debugged until the spiral rod 12 normally rotates, the driving part 3 can be prevented from being started and stopped for a plurality of times in the process of debugging, the driving part 3 is effectively protected, and the problem that maintenance and debugging on the pan feeding mechanism is difficult is solved.
In order to facilitate adjustment of the maximum static friction force between the driven wheel 21 and the driving wheel 22, in the scheme, since the movable shaft seat 41 is connected with the air cylinder 43 and the air cylinder 43 is mounted on the groove body 11, the air cylinder 43 pushes the movable shaft seat 41, and the magnitude of the pre-pressure generated between the driven wheel 21 and the driving wheel 22 can be adjusted by adjusting the air pressure in the air cylinder 43, so that the maximum static friction force between the driven wheel 21 and the driving wheel 22 is adjusted, and when the load of the screw rod 12 is greater than the maximum static friction force, slipping occurs between the driven wheel 21 and the driving wheel 22.
In order to monitor the rotation speeds of the driven wheel 21 and the driving wheel 22, in the scheme, since the speed measuring mechanism 5 comprises the cam 51 respectively arranged on the output shaft 31 and the screw rod 12 and the follower 52 contacted with the cam 51, the follower 52 is connected with the converter 53 for converting the mechanical signal into the electrical signal, the converter 53 is electrically connected with the external analysis equipment, the corresponding follower 52 can be driven to reciprocate in the rotation process of the driven wheel 21 and the driving wheel 22 through the cam 51, and the mechanical signal of the follower 52 is converted into the electrical signal through the converter 53 for analysis, so that the rotation speeds of the driven wheel 21 and the driving wheel 22 are obtained, and the reliability is high.
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 (10)
1. A mix screw conveyor apparatus, comprising:
the conveying mechanism is arranged below the liquid outlet of the pot body and comprises a groove body and a screw rod arranged in the groove body;
The transmission assembly is in transmission connection with the screw rod and comprises a driven wheel arranged on the screw rod and a driving wheel connected with the driven wheel, and friction plates are arranged on the driven wheel and the driving wheel;
the driving part comprises an output shaft, and the driving wheel is arranged on the output shaft;
the adjusting component is connected with and drives the driven wheel to be close to or far away from the driving wheel;
And the speed measuring mechanism is connected with the screw rod or the output shaft and is used for measuring the rotating speed of the driven wheel or the driving wheel.
2. The equipment for spiral conveying of mixed materials according to claim 1, wherein the adjusting assembly comprises a movable shaft seat and a shaft sleeve arranged on the movable shaft seat, the spiral rod is provided with a prism, the prism is arranged in the shaft sleeve, and the driven wheel is connected with the shaft sleeve.
3. The equipment for spiral conveying of mixture according to claim 2, wherein the movable shaft seat is connected with a cylinder and the cylinder is arranged on the tank body.
4. A mix screw conveyor according to claim 1, characterized in that the tachometer comprises a cam mounted on the output shaft and the screw respectively, and a follower in contact with the cam, the follower being connected with a transducer for converting a mechanical signal into an electrical signal, the transducer being electrically connected with an external analysis device.
5. A mix screw conveyor as claimed in claim 4, wherein said transducer comprises a resistive collar in contact with the follower, said resistive collar having a spring mounted therein for urging the follower towards the cam.
6. A mix screw conveyor according to claim 5, wherein the follower comprises a movable rod and a roller mounted on the movable rod, the roller being in contact with the cam, the movable rod being formed with a projection in contact with the resistor ring.
7. The mixed material spiral conveying equipment according to claim 1, wherein the conveying mechanism is provided with a feeding hopper, and two movable plates which are obliquely arranged are arranged on the feeding hopper and are used for adjusting the flow rate of the feeding hopper.
8. A mix screw conveying method for conveying a mix using a mix screw conveying apparatus according to any one of claims 1 to 7, comprising:
Opening a liquid discharge valve on the pot body to enable the mixture to flow into the conveying mechanism;
During the working process of the conveying mechanism, the rotating speed v 1 of the driving wheel and the rotating speed v 2 of the driven wheel are respectively monitored;
If the ratio of v 1 to v 2 exceeds a preset range or the difference exceeds the preset range, separating the driving wheel from the driven wheel, and maintaining the conveying mechanism;
and after the maintenance of the conveying mechanism is finished, the driving wheel is contacted with the driven wheel again and is debugged.
9. The method for spiral conveying of mixed materials according to claim 8, wherein the monitoring of the rotation speed v 1 of the driving wheel and the rotation speed v 2 of the driven wheel comprises:
The driving wheel and the driven wheel generate corresponding periodic mechanical signals, and the mechanical signals are converted into corresponding voltage signals and transmitted to an oscilloscope;
And analyzing voltage signals corresponding to the driving wheel and the driven wheel through an oscilloscope and calculating corresponding rotating speeds.
10. The method according to claim 9, wherein the step of analyzing the voltage signals corresponding to the driving wheel and the driven wheel by the oscilloscope and calculating the corresponding rotation speed comprises the steps of;
Recording a plurality of occurrence moments of each wave crest or wave trough formed by the voltage signals corresponding to the driving wheel or the driven wheel;
and calculating the time interval between two adjacent wave crests or wave troughs to obtain the time required by one circle of rotation of the driving wheel or the driven wheel, and converting the time into corresponding rotating speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202411912692.7A CN119349153A (en) | 2024-12-24 | 2024-12-24 | Mixed material spiral conveying device and method |
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| CN202411912692.7A CN119349153A (en) | 2024-12-24 | 2024-12-24 | Mixed material spiral conveying device and method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2599311Y (en) * | 2002-12-12 | 2004-01-14 | 沈阳大学 | Intelligent Safety Coupling |
| CN207450944U (en) * | 2017-11-02 | 2018-06-05 | 日照金禾博源生化有限公司 | A kind of Citric Acid Production anti-clogging auger |
| EP3865725A1 (en) * | 2020-02-17 | 2021-08-18 | Ratier-Figeac SAS | Torque limiter |
| CN114275491A (en) * | 2021-12-27 | 2022-04-05 | 哈尔滨红旗锅炉有限公司 | Biomass feeding device for boiler |
| CN220399594U (en) * | 2023-07-11 | 2024-01-26 | 江苏新安电器股份有限公司 | Split type brushless DC motor testing arrangement |
-
2024
- 2024-12-24 CN CN202411912692.7A patent/CN119349153A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2599311Y (en) * | 2002-12-12 | 2004-01-14 | 沈阳大学 | Intelligent Safety Coupling |
| CN207450944U (en) * | 2017-11-02 | 2018-06-05 | 日照金禾博源生化有限公司 | A kind of Citric Acid Production anti-clogging auger |
| EP3865725A1 (en) * | 2020-02-17 | 2021-08-18 | Ratier-Figeac SAS | Torque limiter |
| CN114275491A (en) * | 2021-12-27 | 2022-04-05 | 哈尔滨红旗锅炉有限公司 | Biomass feeding device for boiler |
| CN220399594U (en) * | 2023-07-11 | 2024-01-26 | 江苏新安电器股份有限公司 | Split type brushless DC motor testing arrangement |
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