CN113916332B - Double-scale equipment based on dynamic weighing - Google Patents
Double-scale equipment based on dynamic weighing Download PDFInfo
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- CN113916332B CN113916332B CN202111089529.1A CN202111089529A CN113916332B CN 113916332 B CN113916332 B CN 113916332B CN 202111089529 A CN202111089529 A CN 202111089529A CN 113916332 B CN113916332 B CN 113916332B
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- workbench
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- 238000005303 weighing Methods 0.000 title claims abstract description 30
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims 4
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 244000309464 bull Species 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G11/00—Apparatus for weighing a continuous stream of material during flow; Conveyor belt weighers
- G01G11/003—Details; specially adapted accessories
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention discloses a double-scale device based on dynamic weighing, which comprises a workbench, wherein a first belt and a second belt which are mutually independent are respectively arranged on two sides of the workbench, the length of the first belt is larger than that of the second belt, weighing sensors are respectively arranged below the first belt and the second belt, an A photoelectric sensor and a B photoelectric sensor are respectively arranged on two sides of the first belt, a C photoelectric sensor is arranged on one side of the second belt, and a righting device for righting a package is arranged on the first belt.
Description
Technical Field
The invention relates to the technical field of dynamic weighing, in particular to a double-scale device based on dynamic weighing.
Background
The weighing is classified into static weighing and dynamic weighing, and static weighing is frequently encountered in daily life, however, in actual production, such as pipeline production, food processing, medical production, production metering, transportation and the like, dynamic weighing is mostly involved, wherein in the process of logistics transportation, the package needs to calculate the cost according to the weight, so that the goods need to be weighed.
The existing single-section belt conveyor has the problems that the length of a measurable package is limited, the belt conveyor has low speed, the processing efficiency is low, the quick weight detection under the same pull saw cannot be realized when the difference of long and short packages is obvious, and the like, so that the requirement of accurate weight detection cannot be met at high speed, the state of the package directly placed on the belt is not necessarily parallel to the advancing direction of the belt, the accuracy of the detection result of the package length is reduced, and the detection of the package weight is influenced to a certain extent.
Disclosure of Invention
The invention aims to provide a double-scale device based on dynamic weighing, which can check weights of packages with different lengths, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a double scale equipment based on dynamic weighing, includes the workstation, the both sides of workstation are equipped with mutually independent first belt and second belt respectively, and the length of first belt is greater than the length of second belt, the below of first belt and second belt all is equipped with weighing sensor, the both sides of first belt are equipped with A photoelectric sensor and B photoelectric sensor respectively, one side of second belt is equipped with C photoelectric sensor, and original one section belt low-speed weighing changes two sections different in length's belt to accomplish high-speed weighing action, utilizes the trigger position difference of photoelectricity to realize that the short parcel weighs at first belt, and long parcel weighs between two sections belts, and two sections scales mutually independent work does not have weight influence, be equipped with on the first belt and be used for righting the parcel device of righting, can right the parcel in the transportation, has improved the accuracy, has also improved on-the scene efficiency greatly.
Preferably, the righting device comprises two groups of limiting plates which move relatively, a pressure sensor is arranged on each limiting plate, the pressure sensor can sense the existence of the package, each limiting plate is arranged at two ends of a first belt, connecting rods are fixed in the limiting plates, sliding connection of the two ends of each connecting rod is achieved, connecting plates are fixed between the sliding grooves at the two ends of each connecting rod, telescopic frames are fixed on the connecting plates, the bottoms of the telescopic frames are fixed on a workbench, the righting of the packages at different heights is met through the telescopic degrees of the telescopic frames, moving pieces are arranged on the limiting plates, and the moving pieces enable the limiting plates to be close to each other and far away from each other, and the righting of the packages is met through continuous repeated actions.
Preferably, the moving part comprises a screw rod, screw threads with opposite rotation directions are arranged at two ends of the screw rod and are respectively in threaded connection with the limiting plates, two ends of the screw rod penetrate through the end parts of the telescopic frames, one end of the screw rod penetrates through the telescopic frames and is fixedly provided with a first driving motor for transmitting electric signals between the telescopic frames and the pressure sensors, the bottom of the first driving motor is fixedly provided with a first supporting seat, one end of the first supporting seat is fixedly arranged on the connecting plate, the first driving motor rotates positively, the limiting plates are mutually close to each other due to different screw threads between the limiting plates and the screw rods, so as to contact the side walls of the wrapping, until the pressure sensors on the limiting plates contact the wrapping, signals are transmitted to the first driving motor, the first driving motor rotates reversely immediately, the limiting plates are mutually away from each other, one side of the limiting plates away from the pressure sensors is provided with a rebound part, when the rebound part is compressed to the maximum degree, the first driving motor rotates positively again, the first driving motor rotates continuously positively and reversely, and the limiting plates are continuously mutually away from each other and are close to each other, so that the wrapping is satisfied.
Preferably, the rebound piece includes the slide bar, the both sides at the limiting plate are all fixed to the one end of slide bar, and the one end of keeping away from the limiting plate is passed and is even the board, all be connected with the spring between link board and the limiting plate, the spring all overlaps to be established on the slide bar, when the limiting plate contacted the parcel, received pressure sensor's signal, and first driving motor reverses, keeps away from each other between the limiting plate, and the spring compression can transmit the signal for first driving motor when the spring compression reaches the maximum this moment, and first driving motor corotates once more, is kept away from each other to being close to each other between the limiting plate, so reciprocally, slowly right the parcel.
Preferably, the bottom of linking the board all is fixed with the flange, one of them the tooth's socket has been seted up to one side of flange, the meshing has rotary gear on the tooth's socket, rotary gear's inside is fixed with the pivot, the one end of pivot is fixed with second driving motor, the bottom of second driving motor is fixed with the second supporting seat, the one end of second supporting seat is fixed with the L shaped plate, the one end that the second supporting seat was kept away from to the L shaped plate is fixed on the expansion bracket, be equipped with the contact piece that is used for surveying parcel height between the flange, when the contact piece detected the highest point of parcel, can pass through the signal transmission and give the second driving motor, can stop after the second driving motor received signal, and rotary gear stops rotating this moment, and the slide stops down to control slide one end fixed connection's height, be convenient for wrap up through, until the parcel passes the contact piece, and second driving motor starts once more, and rotary gear rotates, and the slide moves down again when reaching the highest point, until contact is reciprocal to next parcel so.
Preferably, the contact comprises a roller, the inside of roller is fixed with the bull stick, the tip of protruding board is all passed at the both ends of bull stick, and when the top of parcel is contacted to the roller, can no longer move down through the signal of telecommunication control slide, and when the parcel transported on first belt, because the roller can rotate, sliding connection between cylinder and the parcel, the parcel still can normally transport on first belt.
Preferably, both ends of the first belt and the second belt are respectively fixed with a rolling shaft, both ends of the rolling shafts respectively penetrate through the side wall of the workbench, the rolling shafts at one ends of the first belt and the second belt are respectively and independently fixed with a first conveying wheel, the first conveying wheels are respectively meshed with a second conveying wheel through conveying chains, the interiors of the second conveying wheels are respectively fixed with a transmission shaft, the end parts of the transmission shafts are respectively fixed with a servo motor, the bottoms of the servo motors are respectively fixed on the workbench, and the first belt and the second belt are mutually independent and have respective servo motors.
Preferably, the bottom of workstation all is fixed with the shock pad, alleviates the vibration that first belt and second belt brought when transmitting, one side that the workstation is located the second belt is equipped with accepts the board, accepts the board and makes the parcel that drops from the second belt have certain buffer distance.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the original low-speed weighing of one section of belt is changed into the high-speed weighing of two sections of belts with different lengths, the weighing of the short package on the first belt is realized by utilizing different photoelectric triggering positions, the long package is weighed between the two sections of belts, the two sections of scales work independently without weight influence, the package centering device is increased, the accuracy is improved, and the field efficiency is also greatly improved.
2. When the limiting plates are contacted with the package, the pressure sensor transmits signals to the first driving motor, so that the first driving motor starts to rotate reversely until the rebound piece is compressed to the maximum extent, the first driving motor rotates positively again, the limiting plates are continuously rotated positively and negatively from the first driving motor, and the limiting plates are continuously separated from each other and are close to each other, thereby the centering of the package is satisfied.
3. The second driving motor is started, the rotary gear rotates, the sliding plate meshed with the rotary gear moves downwards, the contact piece moves downwards, the second driving motor is driven to stop rotating after the contact piece contacts the top of the package, and at the moment, the heights of the connecting plate at the top of the sliding plate and the limiting plate inside the connecting plate can be determined, so that the next requirement on package centering is met.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a dual-scale apparatus of the present invention;
FIG. 2 is a schematic view of the first belt and the second belt of the present invention;
FIG. 3 is a schematic view of the first belt and the second belt of the present invention in another orientation;
FIG. 4 is a schematic view of the structure of the telescopic frame of the present invention;
FIG. 5 is a schematic view of a contact structure according to the present invention;
FIG. 6 is an enlarged view of area A of FIG. 4;
FIG. 7 is a schematic view of the structure of the centralizer of the invention;
fig. 8 is an enlarged view of region B in fig. 7.
In the figure: 1-a workbench; 2-a first belt; 3-a second belt; 4-a weighing sensor; a 5-A photosensor; 6-B photoelectric sensor; 7-C photoelectric sensors; 8-righting device; 9-limiting plates; 10-a pressure sensor; 11-connecting rods; 12-sliding grooves; 13-connecting plates; 14-a telescopic frame; 15-moving member; 16-screw rod; 17-thread; 18-a first drive motor; 19-a first support base; 20-rebound member; 21-a slide bar; 22-springs; 23-convex plates; 24-sliding plate; 25-tooth grooves; 26-rotating a gear; 27-a rotating shaft; 28-a second drive motor; 29-a second support; a 30-L-shaped plate; 31-contacts; 32-a roller; 33-rotating rod; 34-a roll axis; 35-a first transfer wheel; 36-a second transfer wheel; 37-a transmission shaft; 38-a servo motor; 39-a shock pad; 40-a receiving plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-3 and 8, a dual-scale device based on dynamic weighing in the illustration comprises a workbench 1, wherein a first belt 2 and a second belt 3 which are mutually independent are respectively arranged on two sides of the workbench 1, the length of the first belt 2 is greater than that of the second belt 3, weighing sensors 4 are respectively arranged below the first belt 2 and the second belt 3, an A photoelectric sensor 5 and a B photoelectric sensor 6 are respectively arranged on two sides of the first belt 2, a C photoelectric sensor 7 is arranged on one side of the second belt 3, and a righting device 8 for righting a package is arranged on the first belt 2.
The righting device 8 comprises two groups of limiting plates 9 which move relatively, wherein the limiting plates 9 are provided with pressure sensors 10, the limiting plates 9 are respectively arranged at two ends of a first belt 2, connecting rods 11 are fixed in the limiting plates 9, two ends of each connecting rod 11 are connected with sliding grooves 12 in a sliding mode, connecting plates 13 are fixed between the sliding grooves 12 at two ends of each connecting rod 11, telescopic frames 14 are fixed on the connecting plates 13, the bottoms of the telescopic frames 14 are fixed on a workbench 1, and moving pieces 15 are arranged on the limiting plates 9;
in addition, the rolling shafts 34 are fixed at both ends of the first belt 2 and the second belt 3, both ends of the rolling shafts 34 penetrate through the side wall of the workbench 1, the rolling shafts 34 at one end of the first belt 2 and one end of the second belt 3 are respectively fixed with a first conveying wheel 35 which rotates independently, the first conveying wheels 35 are respectively meshed with a second conveying wheel 36 through conveying chains, transmission shafts 37 are respectively fixed in the second conveying wheels 36, servo motors 38 are respectively fixed at the end parts of the transmission shafts 37, and the bottoms of the servo motors 38 are respectively fixed on the workbench 1;
meanwhile, the bottom of the workbench 1 is fixed with a shock pad 39, and a bearing plate 40 is arranged on one side of the workbench 1, which is positioned on the second belt 3.
When this scheme is used: the parcel gets into first belt 2 and second belt 3 in proper order, when entering into first belt 2, remove 15 and make be close to each other and keep away from each other between limiting plate 9, continuous repetitive motion satisfies the righting to the parcel, utilize photoelectric trigger position difference to realize short parcel at first belt 2 weighing under the effect of the photoelectric sensor on first belt 2 and second belt 3, long parcel weighs between two sections belts, two sections balance mutually independent work does not have weight influence, accomplish the weighing of parcel under the high-speed condition.
Example 2
Referring to fig. 7, in this embodiment, for further explanation of example 1, the moving member 15 in the illustration includes a screw rod 16, two ends of the screw rod 16 are provided with threads 17 with opposite rotation directions and are respectively in threaded connection with the limiting plate 9, two ends of the screw rod 16 pass through the end portion of the expansion bracket 14, one end of the screw rod 16 passes through the expansion bracket 14 to be fixed with a first driving motor 18 for transmitting electric signals with the pressure sensor 10, a first supporting seat 19 is fixed at the bottom of the first driving motor 18, one end of the first supporting seat 19 is fixed on the connecting plate 13, and one side of the limiting plate 9 far away from the pressure sensor 10 is provided with a rebound member 20.
The rebound piece 20 comprises a slide bar 21, one end of the slide bar 21 is fixed on two sides of the limiting plate 9, one end far away from the limiting plate 9 penetrates through the connecting plate 13, springs 22 are connected between the connecting plate 13 and the limiting plate 9, and the springs 22 are sleeved on the slide bar 21.
When this scheme is used: the heights of different packages are different, the righting of packages with different heights is met through the expansion degree of the expansion frame 14, the height of the connecting plate 13 can be determined after the height of the expansion frame 14 is determined, for packages entering the first belt 2, the first driving motor 18 rotates positively, the limiting plates 9 are mutually close due to different rotation directions of threads 17 between the limiting plates and the screw rods 16 so as to contact the side walls of the packages until the pressure sensors 10 on the limiting plates 9 contact the packages, signals are transmitted to the first driving motor 18, the first driving motor 18 rotates reversely immediately, the limiting plates 9 are mutually far away, at the moment, the springs 22 are compressed, the signals can be transmitted to the first driving motor 18 until the springs 22 are compressed to the maximum extent, the first driving motor 18 rotates positively again, and the limiting plates 9 are mutually far away from each other to mutually close, so that the packages are reciprocally and slowly righted.
Example 3
Referring to fig. 4-6, in this embodiment, for further description of example 1, a convex plate 23 is fixed on one side of the connecting plate 13 in the illustration, a sliding plate 24 is fixed on the bottom of the convex plate 23, a tooth slot 25 is provided on one side of one sliding plate 24, a rotary gear 26 is meshed on the tooth slot 25, a rotary shaft 27 is fixed inside the rotary gear 26, a second driving motor 28 is fixed at one end of the rotary shaft 27, a second supporting seat 29 is fixed on the bottom of the second driving motor 28, an L-shaped plate 30 is fixed at one end of the second supporting seat 29, one end of the L-shaped plate 30, which is far away from the second supporting seat 29, is fixed on the telescopic frame 14, and a contact element 31 for detecting the package height is provided between the convex plates 23.
Wherein, the contact 31 comprises a roller 32, a rotating rod 33 is fixed inside the roller 32, and both ends of the rotating rod 33 pass through the end of the convex plate 23.
When this scheme is used: when the package is transported on the first belt 2, the roller 32 can transmit the highest point of the package to the second driving motor 28 through an electric signal, the second driving motor 28 can stop after receiving the signal, at the moment, the rotating gear 26 stops rotating, the sliding plate 24 stops moving downwards, thereby controlling the height of the connecting plate 13 fixedly connected with one end of the sliding plate 24, facilitating the package to pass through, and the roller 32 and the package are in sliding connection, so that the package can still be transported on the first belt 2 normally until the package passes through the roller 32, the second driving motor 28 is started again, the rotating gear 26 rotates, the sliding plate 24 moves upwards, and then moves downwards until contacting with the next package when reaching the highest point, and the package is reciprocated.
In the scheme, the method comprises the following steps: the first driving motor 18, the second driving motor 28 and the servo motor 38 are preferably of model Y80M2-2, the motor operation circuit is a normal motor forward and reverse rotation control program, the circuit operation is an existing normal circuit, the circuits and the control involved in the invention are all of the prior art, and redundant description is omitted here.
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.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Double scale equipment based on dynamic weighing, its characterized in that: comprising the following steps:
the automatic feeding device comprises a workbench (1), wherein a first belt (2) and a second belt (3) which are mutually independent are respectively arranged on two sides of the workbench (1);
the length of the first belt (2) is greater than that of the second belt (3), weighing sensors (4) are arranged below the first belt (2) and the second belt (3), an A photoelectric sensor (5) and a B photoelectric sensor (6) are respectively arranged on two sides of the first belt (2), a C photoelectric sensor (7) is arranged on one side of the second belt (3), and a righting device (8) for righting the package is arranged on the first belt (2);
the centering device (8) comprises two groups of limiting plates (9) which move relatively, the limiting plates (9) are provided with pressure sensors (10), the limiting plates (9) are respectively arranged at two ends of a first belt (2), connecting rods (11) are fixedly arranged in the limiting plates (9), sliding grooves (12) are fixedly arranged at two ends of each connecting rod (11), connecting plates (13) are fixedly arranged between the sliding grooves (12) at two ends of each connecting rod (11), telescopic frames (14) are fixedly arranged on the connecting plates (13), the bottoms of the telescopic frames (14) are fixedly arranged on a workbench (1), and moving parts (15) are arranged on the limiting plates (9);
the movable part (15) comprises a screw rod (16), threads (17) with opposite rotation directions are arranged at two ends of the screw rod (16) and are respectively connected with the limiting plates (9) in a threaded mode, two ends of the screw rod (16) penetrate through the end portions of the telescopic frames (14), one end of the screw rod (16) penetrates through the telescopic frames (14) to be fixed with a first driving motor (18) for transmitting electric signals between the telescopic frames and the pressure sensor (10), a first supporting seat (19) is fixed at the bottom of the first driving motor (18), one end of the first supporting seat (19) is fixed on the connecting plate (13), and a rebound part (20) is arranged on one side, away from the pressure sensor (10), of the limiting plates (9);
the rebound piece (20) comprises a slide bar (21), one end of the slide bar (21) is fixed on two sides of the limiting plate (9), one end far away from the limiting plate (9) penetrates through the connecting plate (13), springs (22) are connected between the connecting plate (13) and the limiting plate (9), and the springs (22) are sleeved on the slide bar (21).
2. A dual scale apparatus based on dynamic weighing according to claim 1, characterized in that: one side of link board (13) all is fixed with flange (23), the bottom of flange (23) all is fixed with slide (24), one of them tooth's socket (25) have been seted up to one side of slide (24), the meshing has rotation gear (26) on tooth's socket (25), the inside of rotation gear (26) is fixed with pivot (27), the one end of pivot (27) is fixed with second driving motor (28), the bottom of second driving motor (28) is fixed with second supporting seat (29), the one end of second supporting seat (29) is fixed with L shaped plate (30), the one end that second supporting seat (29) was kept away from to L shaped plate (30) is fixed on expansion bracket (14), be equipped with between flange (23) and be used for surveying contact (31) of parcel height.
3. A dual scale apparatus based on dynamic weighing according to claim 2, characterized in that: the contact (31) comprises a roller (32), wherein a rotating rod (33) is fixed inside the roller (32), and both ends of the rotating rod (33) penetrate through the end parts of the convex plates (23).
4. A dual scale apparatus based on dynamic weighing according to claim 1, characterized in that: the automatic feeding device is characterized in that rolling shafts (34) are fixed at two ends of the first belt (2) and two ends of the second belt (3), two ends of each rolling shaft (34) penetrate through the side wall of the workbench (1), first conveying wheels (35) which rotate independently are fixed on the rolling shafts (34) at one ends of the first belt (2) and the second belt (3), second conveying wheels (36) are meshed on the first conveying wheels (35) through conveying chains, transmission shafts (37) are fixed inside the second conveying wheels (36), servo motors (38) are fixed at the ends of the transmission shafts (37), and bottoms of the servo motors (38) are fixed on the workbench (1).
5. A dual scale apparatus based on dynamic weighing according to claim 1, characterized in that: the bottom of workstation (1) is fixed with shock pad (39), one side that workstation (1) are located second belt (3) is equipped with and holds board (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111089529.1A CN113916332B (en) | 2021-09-16 | 2021-09-16 | Double-scale equipment based on dynamic weighing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111089529.1A CN113916332B (en) | 2021-09-16 | 2021-09-16 | Double-scale equipment based on dynamic weighing |
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| Publication Number | Publication Date |
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| CN113916332A CN113916332A (en) | 2022-01-11 |
| CN113916332B true CN113916332B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111089529.1A Active CN113916332B (en) | 2021-09-16 | 2021-09-16 | Double-scale equipment based on dynamic weighing |
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| CN (1) | CN113916332B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116295744B (en) * | 2023-05-23 | 2023-08-18 | 赛那德科技有限公司 | Weighing device for gravity sorting |
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| CN113916332A (en) | 2022-01-11 |
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