CN111089638A

CN111089638A - Weighing carrier roller for belt scale

Info

Publication number: CN111089638A
Application number: CN201911353890.3A
Authority: CN
Inventors: 李钢保
Original assignee: Individual
Current assignee: Tangshan Debote Machinery Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-05-01
Anticipated expiration: 2039-12-25
Also published as: CN111089638B

Abstract

The invention relates to the technical field of intelligent weighing mechanical equipment, and discloses a weighing carrier roller for a belt scale. This last weighing roller of using of belt weigher, act on through the magnetic field force between coil one and the coil two that adopts wire winding opposite direction, make the bearing roller can oneself rotate under the effect of magnetic field force, thereby can have certain power to belt drive, motor work drives belt drive, required power is great, will overcome the gravity of belt and the frictional force between belt and the bearing roller, the bearing roller rotation can offset and the transmission band between the frictional force, the transmission pressure of motor has been reduced, thereby the required power of motor drive has been reduced, the service life of motor has been improved.

Description

Weighing carrier roller for belt scale

Technical Field

The invention relates to the technical field of intelligent mechanical equipment, in particular to a weighing carrier roller for a belt scale.

Background

The belt weigher is an automatic weighing machine which continuously weighs bulk materials on a conveying belt without subdividing the mass or interrupting the movement of the conveying belt, a weighing carrier roller of the belt weigher is a key part for guiding the belt, and a weighing sensor arranged below the carrier roller instantaneously measures the materials passing through the carrier roller, which is the most key part of the belt weigher.

The belt is transmitted on a carrier roller by a motor in the prior belt scale, materials are poured into the upper surface of the belt, when the transmission belt for carrying the materials passes through the carrier roller, the carrier roller plays a role in supporting and guiding the transmission belt for transmission, a weighing sensor arranged inside a fixed plate simultaneously carries out instantaneous weight measurement on the materials passing through the carrier roller in a weighing length range, the weighing sensor transmits each section of pressure signals to an instrument, a speed sensor measures the rotating speed of the carrier roller, and the weighing instrument calculates and processes the pressure signals and the speed signals to obtain the weight of the materials.

The prior belt weigher has the following defects:

firstly, the roll of current bearing roller is driven through the transmission of transmission band, and the transmission of general belt weigher has certain conveying distance, and has great frictional force between transmission band and each bearing roller, only relies on the motor drive transmission of one side, and the power required by the work of motor is great, and the motor of high power operation can lead to the life reduction of motor.

Secondly, when current installation was weighed at the weighing sensor weighing-element within range material in the fixed plate, need subtract the total weight of fixed plate, mount, fixed axle, bearing roller, belt, but at the weighing-element in-process of fortune material, the material that scatters, dust etc. can the adhesion on equipment, the original weight that needs to subtract becomes heavy to lead to calculating material weight numerical value inaccurate, lead to measuring inaccurate.

Disclosure of Invention

The invention provides a weighing carrier roller for a belt scale, which has the advantages of stable transmission and capability of transporting more materials and solves the problems that a belt is easy to slip and the materials cannot be transported too much.

The invention provides the following technical scheme: the utility model provides a bearing roller of weighing of using on belt weigher, which comprises a fixing plate and i, the last fixed surface of fixed plate installs the mount, the fixed cover in inside of mount upper part is equipped with the fixed axle, the surface movable sleeve of fixed axle is equipped with the bearing roller, the last surface friction transmission of bearing roller has the transmission band, the iron ring is equipped with to the fixed cover in inside of bearing roller, the inside of fixed axle and the surface that is located the iron ring are around there being coil one, the inside fixed mounting of fixed axle has the iron core, the surface of iron core is around there being coil two, one side fixed mounting of mount has the small motor, the one end of small motor and the middle movable mounting that is located the mount.

Preferably, the winding directions of the first coil and the second coil are opposite.

Preferably, the upper surface of the sweeping shaft is in contact with the carrier roller, and the outer surface of the sweeping shaft is a string ribbon.

Preferably, the sweep axis is connected in parallel with the first coil and the second coil.

The invention has the following beneficial effects:

1. this last weighing roller of using of belt weigher, act on through the magnetic field force between coil one and the coil two that adopts wire winding opposite direction, make the bearing roller can oneself rotate under the effect of magnetic field force, thereby can have certain power to belt drive, motor work drives belt drive, required power is great, will overcome the gravity of belt and the frictional force between belt and the bearing roller, the bearing roller rotation can offset and the transmission band between the frictional force, the transmission pressure of motor has been reduced, thereby the required power of motor drive has been reduced, the service life of motor has been improved.

2. The bearing roller of weighing of using on this belt weigher, through the axle of sweeping with the below cooperation installation around the bearing roller that has coil one, and coil one, coil two cuts off the power supply in proper order on a plurality of bearing rollers, coil one of outage, in the time of coil two, the small motor of below can be switched on, it is rotatory to drive the axle of sweeping, magnetic force can attract near the bearing roller that dust etc. are close to and take magnetic field, sweep the axle high-speed rotatory and do not have magnetic force to clear up the dust under influencing, it is more to have solved the dust of depending on, weighing sensor measured numerical value grow, it is unchangeable to subtract the numerical value of original weight, lead to the heavy inaccurate problem of measured object, weighing sensor has promoted the precision of weighing to each transient.

Drawings

FIG. 1 is a schematic view of the assembly structure of the present invention;

FIG. 2 is a schematic view of the idler structure of the present invention;

FIG. 3 is a schematic view of a stationary shaft according to the present invention;

FIG. 4 is a schematic view of the electrical connection structure of the coil and the sweep axis according to the present invention.

In the figure: 1. a fixing plate; 2. a fixed mount; 3. a fixed shaft; 4. a carrier roller; 5. a conveyor belt; 6. an iron ring; 7. a first coil; 8. an iron core; 9. a second coil; 10. a small motor; 11. and (4) sweeping the shaft.

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. 1-4, a weighing carrier roller for a belt scale includes a fixing plate 1, a fixing frame 2 is fixedly mounted on an upper surface of the fixing plate 1, a fixing shaft 3 is fixedly sleeved inside an upper portion of the fixing frame 2, a carrier roller 4 is movably sleeved on an outer surface of the fixing shaft 3, a conveying belt 5 is in friction transmission with an upper surface of the carrier roller 4, an iron ring 6 is fixedly sleeved inside the carrier roller 4, a first coil 7 is wound on an outer surface of the iron ring 6 inside the fixing shaft 3, an iron core 8 is fixedly mounted inside the fixing shaft 3, a second coil 9 is wound on an outer surface of the iron core 8, a small motor 10 is fixedly mounted on one side of the fixing frame 2, and a sweeping shaft 11 is movably mounted at one end of the small motor 10.

The winding directions of the first coil 7 and the second coil 9 are opposite, and the first coil 7 and the second coil 9 in opposite winding directions enable the carrier roller 4 to rotate on the outer surface of the fixed shaft 3 under the action of a magnetic field generated after electrification, so that a certain transmission effect is realized on the transmission belt 5, the problem that the power rotation of a motor needs to overcome the gravity of the transmission belt 5 and the friction force between the transmission belt 5 and the carrier roller 4, and the work required to be done is large is solved, the transmission power of the motor is reduced, and each section of transmission is stable.

Wherein, sweep the upper surface and the contact of bearing roller 4 of axle 11, and sweep the surface of axle 11 and be the string ribbon, sweep axle 11 through setting up, make under sweeping the rotatory centrifugal force effect of axle 11, the string ribbon can be hit and beat at bearing roller 4, fixed plate 1, the surface of mount 2, carry out the brute force to the dust of adhesion and the material that drops and clear away, solve the influence that the material dropped and the dust, the problem of the weight that subtracts becomes heavy, the unchangeable of self gravity when guaranteeing to weigh, accurate measurement data.

Wherein, sweep axle 11 and coil one 7, coil two 9 are parallelly connected, sweep axle 11 through parallelly connected, coil one 7, coil two 9, make coil one 7, coil two 9 outage while the small motor 10 circular telegram drives and sweeps axle 11 and rotate, clear up the dust of attraction, weigh by weighing sensor again, solved current weighing effect can be because of the reason of dust adhesion, self gravity rises, lead to the inaccurate problem of measured data, the precision that still can measure arbitrary instantaneous thing after the long-time work of equipment has been promoted.

The working principle of the weighing carrier roller of the belt scale is as follows:

the coil I7 and the coil II 9 are electrified, the coil I7 and the coil II 9 in opposite winding directions generate electromagnetic interaction, the carrier roller 4 can automatically rotate under the action of magnetic force, the motor drives the transmission belt 5 to transmit, meanwhile, the autorotation carrier roller 4 also drives the transmission belt 5 to transmit, materials are loaded on the upper surface of the transmission belt 5 and are transmitted above the carrier roller 4, the transmission belt 5 in a weighing range supported by the carrier roller 4 is weighed by a weight sensor in the fixed plate 1, under the action of the magnetic field, dust and the like which are easy to adhere can be close to the carrier roller 4 wound with the coil I7 and the coil II 9 in the middle, the coil I7 in the carrier roller 4 is controlled, the coil II 9 is powered off at one time, the small motor 10 is started to drive the sweeping shaft 11 to rotate at the same time of power off, dust and the like close to the carrier roller 4 are removed, the weighing sensor in the fixed plate 1 works after, the weighing sensor transmits the pressure signal of each section to the instrument, the speed sensor measures the rotating speed of the carrier roller 4, and the weighing instrument calculates and processes the pressure signal and the speed signal to obtain the weight of the material.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bearing roller of weighing of using on belt weigher, includes fixed plate (1), the last fixed surface of fixed plate (1) installs mount (2), the fixed cover in inside of mount (2) upper portion is equipped with fixed axle (3), the surface movable sleeve of fixed axle (3) is equipped with bearing roller (4), the upper surface friction transmission of bearing roller (4) has transmission band (5), its characterized in that: the fixed cover in inside of bearing roller (4) is equipped with hoop (6), the inside of fixed axle (3) and the surface that is located hoop (6) are around having coil (7), the inside fixed mounting of fixed axle (3) has iron core (8), the surface of iron core (8) is around having coil two (9), one side fixed mounting of mount (2) has small motor (10), the middle movable mounting that the one end of small motor (10) just is located mount (2) has axle (11) of sweeping.

2. A weighing idler for a belt scale as defined in claim 1 wherein: the winding directions of the first coil (7) and the second coil (9) are opposite.

3. A weighing idler for a belt scale as defined in claim 1 wherein: the upper surface of the sweeping shaft (11) is in contact with the carrier roller (4), and the outer surface of the sweeping shaft (11) is a thin rope ribbon.

4. A weighing idler for a belt scale as defined in claim 1 wherein: the sweeping shaft (11) is connected with the first coil (7) and the second coil (9) in parallel.