CN111811626A - Automatic carry static weighing equipment - Google Patents
Automatic carry static weighing equipment Download PDFInfo
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- CN111811626A CN111811626A CN202010666420.9A CN202010666420A CN111811626A CN 111811626 A CN111811626 A CN 111811626A CN 202010666420 A CN202010666420 A CN 202010666420A CN 111811626 A CN111811626 A CN 111811626A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
- G01G13/24—Weighing mechanism control arrangements for automatic feed or discharge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
- G01G13/003—Details; specially adapted accessories
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/02—Arrangements of bearings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
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Abstract
The invention relates to automatic conveying static weighing equipment, which comprises a scale frame assembly and a weighing assembly connected with the scale frame assembly, wherein the scale frame assembly comprises a support, a support platform, a surrounding rod arranged below the support platform and a power device arranged on the surrounding rod, the weighing assembly comprises a roller platform arranged above the support platform, a roller arranged above the roller platform, a weighing platform consisting of a plurality of rollers and a weighing sensor arranged between the support platform and the roller platform, the weighing assembly and the scale frame assembly are two parts which are separated independently, when the power device works, vibration generated by the power device can not be transmitted to the weighing sensor, and the weighing sensor can not generate impact, so that the influence of the weighing sensor can be avoided, weighing errors can be avoided, and the service life of the weighing equipment can be prolonged.
Description
Technical Field
The invention relates to the technical field of weighing equipment, in particular to automatic conveying static weighing equipment.
Background
With the continuous development of society and the continuous progress of modern programmable control technology, automatic and intelligent equipment gradually appears in the life and work of people, and people are separated from heavy labor by operating the equipment, so that the quality of the life and work of people is improved.
The weighing equipment matched with automatic production in the current market generally has the following characteristics: the first type is that only a roller is used, but power for driving the weighed object to move is not provided, and the weighed object needs to be manually transferred; the second kind, to the roller scale with power, its drive motor and weighing platform assemble into an organic whole, this kind of roller scale weighs in the course of moving, belong to the dynamic weighing; for the roller scale with power, vibration and jump generated by the transmission of a motor, a chain wheel and the like can be transmitted to a weighing sensor. The above-mentioned weighing apparatus has the following disadvantages: 1. the dynamic weighing has high impact frequency on the sensor, and the service life of the sensor is influenced; 2. because vibration and bounce generated by the motor, chain wheel transmission and the like are transmitted to the weighing sensor, interference processing such as filtering and the like is required, so that the instrument program is complex and the requirement on the instrument is high; 3. repeated weighing indicating value errors cannot be avoided due to the influence of factors such as vibration and the like.
Disclosure of Invention
The invention aims to solve the technical problem of providing the static weighing equipment which has simple structure, can avoid weighing errors, has long service life and can automatically convey weighed objects.
The technical scheme includes that the automatic conveying static weighing equipment comprises a scale frame assembly and a weighing assembly connected with the scale frame assembly, wherein the scale frame assembly comprises a support, a support platform, a surrounding rod arranged below the support platform and a power device arranged on the surrounding rod, and the weighing assembly comprises a roller platform arranged above the support platform, a roller arranged above the roller platform, a weighing platform consisting of a plurality of rollers and a weighing sensor arranged between the support platform and the roller platform.
The invention has the beneficial effects that: the automatic conveying static weighing equipment adopting the structure comprises a power device, a weighing sensor, a roller platform, a weighing assembly and a weighing frame assembly, wherein the power device is arranged on a surrounding rod below the support platform, the weighing sensor is arranged between the support platform and the roller platform, and the weighing assembly and the weighing frame assembly are two parts which are independently separated; 2. interference processing such as filtering and the like is not needed during signal processing, the difficulty of interference processing of an electronic module is avoided, and the requirement on an instrument is greatly reduced, so that the manufacturing difficulty is reduced and the product reliability is improved; 3. the power device is arranged on the enclosing rod below the support platform, and is convenient to install and maintain. 5. The power device is lifted out of the original weighing assembly, the weighing assembly is simplified, the unbalance loading load caused by a transmission device is eliminated, and the stress of the weighing assembly is more uniform.
Preferably, the power device comprises a motor fixed on the surrounding rod in parallel, a speed reducer connected with the motor and an output shaft connected with the speed reducer, the scale frame assembly further comprises a conveying mechanism connected with the power device, the conveying mechanism comprises a chain wheel connected with the output shaft, a chain rotating around the chain wheel in the circumferential direction and a push rod fixed on the chain, the push rod is positioned above the roller, and is parallel to the roller, the motor adopting the structure works to drive the output shaft to rotate, the output shaft drives the chain wheel to rotate, the chain wheel drives the chain to move circumferentially, the push rod follows the chain to move circumferentially, when the push rod moves to the roller top, the push rod can promote the article that has weighed on the roller and move towards one end, finally pushes away the article that will weigh from the roller platform of weighing, need not manually to get the thing, and convenient easy operation is used manpower sparingly, also can with other automation equipment seamless butt joints. In this structure, the motor parallel is fixed on enclosing the pole, and the power of production can not the weighing sensor cause the impact, and conveying mechanism and the subassembly of weighing independently part, and conveying mechanism can not influence the subassembly work of weighing when the operation, just so can not influence the precision that the object weighed, avoids the error of weighing, has eliminated the influence of carrying to the precision of weighing.
As preferentially, the sprocket includes a pair of last sprocket and a pair of lower sprocket, and the balance frame subassembly still includes the backplate with roller platform fixed connection, it fixes on the backplate to go up the sprocket, lower sprocket and support fixed connection just are located between girt and the support platform, and lower sprocket rotates with the output shaft to be connected, adopts this structure, can guarantee chain circumferential motion, and the push rod can follow the top counter-clockwise motion of roller to the below of roller, gets back to the top of roller again, accomplishes circumferential motion.
Preferably, the scale frame assembly further comprises a support rod connected with the support platform and a material blocking device connected with the support rod, the material blocking device comprises a cylinder mounting frame connected with the support rod in a sliding mode and a cylinder fixedly connected with the cylinder mounting frame, and by adopting the structure, the cylinder extends downwards to block subsequent articles to be weighed from entering the weighing platform, so that the articles are prevented from entering the weighing platform by mistake; the cylinder retracts upwards, so that the current articles to be weighed can enter the weighing platform to be weighed, only one article is weighed on the weighing platform at each time, and the cylinder mounting rack can slide up and down to adapt to objects with different heights.
Preferably, the material blocking device further comprises a control instrument assembly connected with the air cylinder, a first sensor arranged on the back plate and connected with the control instrument assembly, and a second sensor fixed on the supporting rod, wherein the first sensor is used for detecting whether a weighed object is positioned on the weighing platform in front of the first sensor, the second sensor is used for detecting whether the push rod moves to the lower part of the push rod, and by adopting the structure, when the first sensor detects that the weighed object is positioned on the weighing platform in front of the first sensor, a signal is given to the control instrument assembly to control the air cylinder to extend downwards. The cylinder stretches out downwards to block the subsequent objects to be weighed from entering the weighing platform, so that the plurality of objects are prevented from entering the weighing platform by mistake. When the push rod moves to the lower part of the second sensor, the second sensor detects the push rod and gives a signal to the control instrument assembly, the weighing is stopped at the moment, and the control cylinder retracts upwards, so that the current article to be weighed can enter the weighing platform to be weighed.
Preferably, the scale frame assembly further comprises a third sensor mounted outside one side of the back plate, the third sensor is configured to detect whether the push rod is moved to the front of the third sensor, and the control instrument assembly causes the load cell to sample the load data during a period when the push rod is moved from the front of the third sensor to the lower side of the second sensor. During weighing and sampling, the push rod moves towards the lower part of the second sensor from the front of the third sensor, and at the moment, a weighed object is static, so that static weighing is realized, and the current situation of scale application of a cantilever beam structure weighing sensor in weighing equipment at the stage is met. By adopting the structure, when the push rod moves to the front of the third sensor, the third sensor detects the push rod, the third sensor mounting structure ensures that the previous weighed object is pushed out of the weighing platform by the push rod at the moment, the next object to be weighed enters the weighing platform, and the third sensor gives a signal to the controller to enable the weighing sensor to start weighing data acquisition on the current object at the moment.
As the priority, conveying mechanism still include with set up at the terminal second gyro wheel of push rod, dam device still include the first gyro wheel of being connected with the cylinder, adopt this structure, the friction that first gyro wheel and second gyro wheel and the contact of article of weighing produced is rolling friction, has replaced the sliding friction among the prior art, when contacting with the article of being weighed like this, just can reduce the damage that the motion shake led to the fact to the harm of article and interact power, reduces the resistance of relative motion.
As the priority, the scale frame assembly also comprises a weighing instrument connected with the supporting rod and an alarm lamp connected with the supporting rod, and by adopting the structure, the control instrument assembly is used for displaying related data and man-machine interaction. The alarm lamp can perform sound-light alarm through parameter setting in advance, and unattended operation is conveniently realized.
Drawings
FIG. 1 is a side view of an automatic transport static weighing apparatus of the present invention;
FIG. 2 is a front view of an automatic transport static weighing apparatus of the present invention;
as shown in the figure: 1. a support; 2. a support platform; 3. a surrounding rod; 4. a power plant; 5. a roller platform; 6. a roller; 7. a weighing platform; 8. a weighing sensor; 9. a motor; 10. a speed reducer; 11. an output shaft; 12. a chain; 13. a push rod; 14. an upper sprocket; 15. a lower sprocket; 16. a back plate; 17. a support bar; 18. a cylinder mounting frame; 19. a cylinder; 20. a second sensor; 21. a third sensor; 22. a second roller; 23. a first roller; 24. a control instrument assembly; 25. an alarm lamp; 26. a first sensor; 27. a guide groove.
Detailed Description
The invention is further described below with reference to the accompanying drawings in combination with specific embodiments so that those skilled in the art can practice the invention with reference to the description, and the scope of the invention is not limited to the specific embodiments.
The invention relates to automatic conveying static weighing equipment, which comprises a scale frame assembly and a weighing assembly connected with the scale frame assembly, wherein the scale frame assembly comprises a support 1, a support platform 2, a surrounding rod 3 arranged below the support platform 2 and a power device 4 arranged on the surrounding rod 3, and the weighing assembly comprises a roller platform 5 arranged above the support platform 2, a roller 6 arranged above the roller platform 5, a weighing platform 7 consisting of a plurality of rollers 6 and a weighing sensor 8 arranged between the support platform 2 and the roller platform 5. Automatic carry static weighing-appliance in figure 1, power device 4 sets up on enclosing beam 3 of support platform 2 below, and weighing sensor 8 sets up between support platform 2 and roller platform 5, weighing component and balance frame subassembly are independent divided two parts, when power device 4 during operation, the vibration that power device 4 produced just can not conduct for weighing sensor 8, weighing sensor 8 can not produce the impact, just so can avoid weighing sensor 8's influence, avoid weighing error, improve weighing-appliance's life, and need not to do interference processing such as filtering, reduce the requirement to the instrument. Power device 4 installs on enclosing pole 3 of support platform 2 below, and the installation and maintenance of being convenient for carry out power device 4 from original subassembly of weighing, have simplified the subassembly of weighing for the subassembly atress of weighing is more even.
As shown in fig. 1, the power device 4 comprises a motor 9 fixed on the surrounding rod 3 in parallel, a speed reducer 10 connected with the motor 9, and an output shaft 11 connected with the speed reducer 10, the scale frame assembly further comprises a conveying mechanism connected with the power device 4, the conveying mechanism comprises a chain wheel connected with the output shaft 11, a chain 12 rotating around the chain wheel in the circumferential direction, and a push rod 13 fixed on the chain 12, the push rod 13 is positioned above the roller 6 and parallel to the roller 6, in the figure, the motor 9 is fixed on the surrounding rod 3 in parallel, the generated power cannot cause impact to the weighing sensor 8, the motor 9 works to drive the output shaft 11 to rotate, the output shaft 11 drives the chain wheel to rotate, the chain wheel drives the chain 12 to move in the circumferential direction, the push rod 13 moves along with the chain in the circumferential direction, when the push rod 13 moves above the roller 6, the push rod 13 can push the weighed, finally, the weighed article is pushed away from the weighing platform 7, manual fetching is not needed, the operation is convenient and easy, and manpower is saved. Conveying mechanism and the subassembly of weighing independently part in the picture, conveying mechanism can not influence the subassembly work of weighing when the operation, just so can not influence the precision that the object weighed, avoids weighing error, has eliminated the influence of carrying to the precision of weighing.
As shown in fig. 1, the chain wheels comprise a pair of upper chain wheels 14 and a pair of lower chain wheels 15, the scale frame assembly further comprises a back plate 16 fixedly connected with the roller platform 5, the upper chain wheels 14 are fixed on the back plate 16, the lower chain wheels 15 are fixedly connected with the support 1 and located between the surrounding rod 3 and the support platform 2, the lower chain wheels 15 are rotatably connected with the output shaft 11, the structure can ensure circumferential movement of the chains, and the push rod 13 can move to the lower side of the roller 6 from the upper side of the roller 6 in an anticlockwise mode and then returns to the upper side of the roller 6 to complete the circumferential movement.
As shown in fig. 1, the scale frame assembly further comprises a support rod 17 connected with the support platform 2 and a material blocking device connected with the support rod 17, the material blocking device comprises a cylinder mounting frame 18 connected with the support rod 17 in a sliding manner and a cylinder 19 fixedly connected with the cylinder mounting frame 18, and the cylinder 19 extends downwards to block subsequent articles to be weighed from entering the weighing platform 7, so that the plurality of articles are prevented from entering the weighing platform 7 by mistake; the air cylinder 19 retracts upwards, so that the articles needing to be weighed at present can enter the weighing platform 7 to be weighed, and only one article is weighed on the weighing platform 7 at each time. The cylinder mounting frame 18 can slide up and down to adjust the height of the cylinder, so as to adapt to objects with different heights.
As shown in fig. 2, the material blocking device further includes a control instrument assembly connected with the cylinder 19, a first sensor 26 arranged on the back plate 16 and connected with the control instrument assembly, and a second sensor 20 fixed on the support rod 17, wherein the first sensor 26 is used for detecting whether a weighed object is located on the weighing platform 7 in front of the first sensor 26, the first sensor 26 can horizontally move and adjust along a guide groove 27 on the back plate 16 to adapt to objects with different sizes, and the second sensor 20 is used for detecting whether the push rod 13 moves below the push rod 13. When the second sensor 20 detects that the push rod 13 moves to the position below the push rod, the second sensor 20 detects the push rod 13 and gives a signal, at the moment, weighing is stopped, and the controller controls the air cylinder 19 to retract upwards, so that the object to be weighed can enter the weighing platform 7 to be weighed.
As shown in FIG. 1, the scale frame assembly further comprises a third sensor 21 installed on one side of the back plate 16 and outside the orthographic projection surface of the weighing platform, the third sensor 21 is used for detecting whether the push rod 13 moves to the front of the third sensor 21, the weighing sensor 8 samples weighing data during the period when the push rod 13 moves from the front of the third sensor 21 to the lower part of the second sensor 20, and by adopting the structure, when the third sensor 21 detects that the push rod 13 moves to the front of the push rod 13, the third sensor 21 detects the push rod 13, and the third sensor installation structure ensures that the previous weighed object is pushed out of the weighing platform 7 by the push rod 13 at the moment, the next weighed object is pushed into the weighing platform 7, the third sensor 21 gives a signal, and the weighing sensor 8 samples the weighing data of the current object.
As shown in fig. 1, the material blocking device further comprises a first roller 23 connected with the cylinder 19, the conveying mechanism further comprises a second roller 22 arranged at the tail end of the push rod 13, and by adopting the structure, the friction generated by the contact between the first roller 23 and the weighing object and the second roller 22 is rolling friction instead of sliding friction in the prior art, so that when the material blocking device is in contact with the weighed object, the damage of motion shaking to the object and the damage caused by interaction force can be reduced; reducing the resistance to relative movement. As shown in fig. 1, the scale frame assembly further comprises a control instrument assembly 24 connected with the support rod 17 and an alarm lamp 25 mounted on the support rod 17, and by adopting the structure, the control instrument assembly is used for displaying related data and man-machine interaction. The alarm lamp can perform sound-light alarm through parameter setting in advance, and unattended operation is conveniently realized.
The automatic conveying static weighing equipment provided by the invention has the working process that: after the equipment is powered on and started, the motor 9 drives the chain 12 to move circumferentially, and the push rod 13 and the second roller 22 fixed on the chain 12 move along the movement track of the chain 12. When the push rod 13 moves below the second sensor 20, the second sensor 20 detects the push rod 13 and gives a signal, the controller controls the air cylinder 19 to retract upwards, a weighed object on the production line enters the weighing platform 7 (the first weighed object entering the weighing platform 7 after being started), the weighed object moves onto the weighing platform 7 by the power provided by the matched automatic equipment, when the weighed object moves in front of the first sensor 26, the first sensor 26 detects that the weighed object is in place and gives a signal at the moment, the control instrument assembly controls the air cylinder 19 to extend downwards and blocks the subsequent weighed object from entering the weighing platform 7, so that a plurality of objects are prevented from entering the weighing platform 7 by mistake, the push rod 13 continues to move anticlockwise along with the chain 12, the weighed object and the roller are static during the period that the push rod 13 moves from the front of the third sensor 21 to the lower part of the second sensor 20, the weighing sensor 8 samples weighing data to realize static weighing, when the push rod 13 moves below the second sensor 20, the second sensor 20 detects the push rod 13 and gives a signal, the control instrument assembly controls the cylinder 19 to retract upwards, the next article to be weighed enters the weighing platform 7 from the production line, and meanwhile, the push rod 13 moves to push the previous article to be weighed (the first article to be weighed) out of the weighing platform 7. During this time, when the pusher 13 moves in front of and away from the first sensor 26, the first sensor 26 again detects that the item being weighed (the second item being weighed) is in front of it (already in place), again giving a signal that the control instrument assembly controls the cylinders 19 to extend downwards, blocking the entry of the subsequent item being weighed into the weighing station 7. When the push rod 13 continues to move in front of the third sensor 21, which confirms that the previous item to be weighed has been pushed out completely by the push rod 13, the third sensor 21 again gives a signal, and the system starts weighing the second item to be weighed, and the weighing of the items is repeated in this cycle. When the weight data of the weighed object exceeds the preset specified parameters, the alarm lamp 25 sends out an audible and visual alarm signal and suspends the equipment to wait for resetting. For example: qualified-the alarm lamp shows green and normally passes; overweight and unqualified, the alarm lamp displays red color with a prompt tone, and equipment is paused; light fail-warning light shows yellow with a warning tone, halting the equipment. And the process is repeated in a reciprocating way.
Claims (8)
1. An automatic carry static weighing-appliance which characterized in that: the weighing device comprises a scale frame assembly and a weighing assembly connected with the scale frame assembly, wherein the scale frame assembly comprises a support (1), a support platform (2), a surrounding rod (3) arranged below the support platform (2), and a power device (4) arranged on the surrounding rod (3), the weighing assembly comprises a roller platform (5) arranged above the support platform (2), a roller (6) arranged above the roller platform (5), a weighing platform (7) consisting of a plurality of rollers (6), and a weighing sensor (8) arranged between the support platform (2) and the roller platform (5).
2. The automatic conveying static weighing apparatus of claim 1, wherein: the balance frame assembly comprises a power device (4), a motor (9), a speed reducer (10) and an output shaft (11), wherein the motor (9), the speed reducer (10) and the output shaft (11) are parallelly fixed on a surrounding rod (3), the speed reducer (10) is connected with the motor (9), the output shaft (10) is connected with the speed reducer (11), the balance frame assembly further comprises a conveying mechanism connected with the power device (4), the conveying mechanism comprises a chain wheel connected with the output shaft (11), a chain (12) surrounding the chain wheel in circumferential rotation and a push rod (13) fixed on the chain (12), and the push rod (13) is located above a roller (6) and.
3. An automatic conveying static weighing apparatus according to claim 2, wherein: the sprocket includes a pair of last sprocket (14) and a pair of lower sprocket (15), and the balance frame subassembly still includes backplate (16) with roller platform (5) fixed connection, go up sprocket (14) and fix on backplate (16), lower sprocket (15) and support (1) fixed connection just are located between girt (3) and support platform (2), and lower sprocket (15) rotate with output shaft (11) and are connected.
4. An automatic conveying static weighing apparatus according to claim 3, wherein: the scale frame assembly further comprises a support rod (17) connected with the support platform (2) and a material blocking device connected with the support rod (17), and the material blocking device comprises a cylinder mounting frame (18) in sliding connection with the support rod (17) and a cylinder (19) fixedly connected with the cylinder mounting frame (18).
5. The automatic conveying static weighing apparatus of claim 4, wherein: the material blocking device further comprises a control instrument assembly connected with the air cylinder (19), a first sensor (26) arranged on the back plate (16) and connected with the control instrument assembly, and a second sensor (20) fixed on the supporting rod (17), wherein the first sensor (26) is used for detecting whether a weighed object is positioned on the weighing platform (7) in front of the first sensor, the first sensor (26) can horizontally move along a guide groove (27) in the back plate (16) to adapt to objects with different sizes, and the second sensor (20) is used for detecting whether the push rod (13) moves below the first sensor.
6. The automatic conveying static weighing apparatus of claim 4, wherein: the scale frame assembly further comprises a third sensor (21) mounted on one side of the back plate (16), the third sensor (21) being adapted to detect whether the push rod (13) is moved below it, the load cell (8) sampling load data during the period when the push rod (13) is moved from in front of the third sensor (21) to below the second sensor (20).
7. The automatic conveying static weighing apparatus of claim 5, wherein: the material blocking device further comprises a first roller (23) connected with the air cylinder (19), and the conveying mechanism further comprises a second roller (22) arranged at the tail end of the push rod (13).
8. The automatic conveying static weighing apparatus of claim 6, wherein: the scale frame component also comprises a weighing instrument (24) connected with the supporting rod (17) and an alarm lamp (25) connected with the supporting rod (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666420.9A CN111811626A (en) | 2020-07-13 | 2020-07-13 | Automatic carry static weighing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010666420.9A CN111811626A (en) | 2020-07-13 | 2020-07-13 | Automatic carry static weighing equipment |
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| Publication Number | Publication Date |
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| CN111811626A true CN111811626A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010666420.9A Pending CN111811626A (en) | 2020-07-13 | 2020-07-13 | Automatic carry static weighing equipment |
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| CN (1) | CN111811626A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964341A (en) * | 2021-03-19 | 2021-06-15 | 河南中烟工业有限责任公司 | Movable weighing device |
| CN113551759A (en) * | 2021-07-22 | 2021-10-26 | 合肥金果缘视觉科技有限公司 | Fruit weighing error control method |
| CN115489824A (en) * | 2022-09-07 | 2022-12-20 | 蒋宝义 | Efficient boxing weighing device and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112964341A (en) * | 2021-03-19 | 2021-06-15 | 河南中烟工业有限责任公司 | Movable weighing device |
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| CN113551759A (en) * | 2021-07-22 | 2021-10-26 | 合肥金果缘视觉科技有限公司 | Fruit weighing error control method |
| CN115489824A (en) * | 2022-09-07 | 2022-12-20 | 蒋宝义 | Efficient boxing weighing device and using method thereof |
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