CN213967795U - Single-arm gravity center suspension type weighing conveyor belt assembly device - Google Patents
Single-arm gravity center suspension type weighing conveyor belt assembly device Download PDFInfo
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- CN213967795U CN213967795U CN202021831810.9U CN202021831810U CN213967795U CN 213967795 U CN213967795 U CN 213967795U CN 202021831810 U CN202021831810 U CN 202021831810U CN 213967795 U CN213967795 U CN 213967795U
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Abstract
The utility model relates to a conveyer belt assembly line letter sorting field of weighing, in particular to single armed focus suspension type conveyer belt assembly device of weighing. A single-arm gravity center suspension type weighing conveyor belt assembly device is characterized in that a conveyor belt system is arranged on the upper layer of the device, a conveyor belt bearing box is arranged in the middle layer, a movable tool support is arranged on the lower layer, and the conveyor belt system is arranged on the conveyor belt bearing box; the adjustable four feet of the movable tool bracket of the device are placed on the firm ground; the main body end of the cantilever type weighing sensor is arranged on the movable tool bracket, and the cantilever support end of the cantilever type weighing sensor is arranged on the combined gravity center of the conveyor belt system and the conveyor belt bearing box. The utility model discloses an useful part is, the focus that closes of conveyer belt system and conveyer belt bearing box on cantilever arm weighing sensor's cantilever, and the conveyer belt operates steadily, and zero point is fixed, has realized weighing at the dynamic accuracy of conveyer belt, and the dynamic weighing error is less than 1%.
Description
Technical Field
The utility model relates to a conveyer belt assembly line letter sorting field of weighing, in particular to single armed focus suspension type conveyer belt assembly device of weighing.
Background
Many large base consumer products feature small packages and large quantities or bases of product. The net weight of each bag is only a few grams, and the weight of the medicine is required to be accurate; the number of packages is large and requires many labor operations. The large base consumption product is suitable for mass production in an automatic flow production line. The flow production line comprises a feeding conveyor belt, a weighing conveyor belt and a sorting conveyor belt. The most critical step is the weighing process on the weighing conveyer belt. However, the existing weighing conveying belt has the problems of low weighing precision, short service life and more faults. The same type of small-weight weighing conveyor belt is disassembled, the design of the operation conveyor belt is unreasonable, the stress point of the cantilever type weighing sensor is not at the gravity center of the weighing conveyor belt, the moment of force continuously acts on the weighing sensor, and the natural vibration is possibly formed to influence weighing. These are the main reasons that current weighing conveyer belt weighing precision is low, short service life, trouble are many. To these problems, the utility model discloses single armed focus suspension type conveyer belt assembly of weighing seeks the focus that closes of conveyer belt system and conveyer belt bearing box, selects to close the focus at it, installs weighing sensor's cantilever, and weighing sensor's body is fixed, and weighing sensor can weight on the perception conveyer belt, rejects the tare, obtains weight. In the weighing process, the small packaging bags sequentially fall on the weighing conveying belt, and due to the small packaging bags, the weighing conveying belt is light in weight, the overall balance of the weighing conveying belt cannot be damaged, so that the weighing is accurate, and the service life of the sensor is long.
SUMMERY OF THE UTILITY MODEL
In order to overcome the problem that current conveyer belt weighing precision is low, life is short, the trouble is many, the utility model provides a single armed focus suspension type conveyer belt assembly device of weighing.
The utility model discloses a single armed gravity center suspension type weighing conveyer belt assembly device, including conveyer belt system, conveyer belt bearing box, movable tooling support and cantilever type weighing sensor, characterized by that, the upper layer of the device is the conveyer belt system, the middle layer is the conveyer belt bearing box, the conveyer belt system is installed on the conveyer belt bearing box; the lower layer is a movable tool bracket, and four adjusting feet of the movable tool bracket are placed on the firm ground; the main body end of the cantilever type weighing sensor is arranged on the movable tool bracket, and the cantilever end of the cantilever type weighing sensor is supported on the combined gravity center of the conveyor belt system and the conveyor belt bearing box.
The conveying belt system comprises a driven roller, bearings on two sides of the driven roller, a U-shaped driven roller support, a conveying belt disc-shaped platform, fixing bolts on two sides of the conveying belt disc-shaped platform, a conveying belt, a U-shaped driving roller support, a driving roller, bearings on two sides of the driving roller and a belt pulley, and is characterized in that the conveying belt disc-shaped platform is a disc with an upward disc bottom and a downward disc surface, two fixing bolts are respectively arranged on the left and right disc edges of the conveying belt disc-shaped platform and are mechanically connected with a clamping groove of a lower conveying belt bearing box; the conveying belt disc-shaped platform is arranged in the middle of the conveying belt system, the rear side disc of the conveying belt disc-shaped platform is riveted with the U-shaped driven roller support, and the front side disc of the conveying belt disc-shaped platform is riveted with the U-shaped driven roller support; bearing clamping grooves are formed in two sides of the U-shaped driven roller bracket, bearings on two sides of the driven roller are embedded into the bearing clamping groove grooves in the two sides of the U-shaped driven roller bracket, and the driven roller rotates stably in the U-shaped driven roller bracket; bearing clamping grooves are formed in two sides of the U-shaped driving roller bracket; bearings on two sides of the driving roller are embedded and installed in bearing clamping groove grooves on two sides of the U-shaped driven roller bracket, the driving roller is connected with the driven roller through a conveying belt, and the conveying belt stretches across the driven roller, the conveying belt disk-shaped platform and the driving roller; a belt pulley is arranged on the left side of the driving roll shaft and is connected with a transmission belt driving motor on the lower part through a belt; the driving roller, the conveying belt and the driven roller are driven by the conveying belt driving motor to rotate at a constant speed through the belt.
The conveying belt bearing box is characterized in that the conveying belt bearing box is a four-side box body without a bottom and a cover, and comprises a front box edge, a rear box edge, a left box edge, a right box edge, a bearing clamping groove, a conveying belt driving motor, a bearing plate and a bearing plate left and right fixing bolt; the left box edge and the right box edge of the box body are equal in height, the upper edges of the left box edge and the right box edge are respectively provided with a front U-shaped bearing groove and a rear U-shaped bearing groove, the U-shaped bearing grooves are mechanically connected with fixing bolts on two sides of a disc-shaped platform of a conveyor belt system conveyor belt on the upper portion, and the conveyor belt system is arranged on the left box edge and the right box edge of a conveyor belt bearing box; the front and rear box edges of the conveyor belt bearing box are lower than the left and right box edges, the gap between the front and rear box edges and the left and right box edges is a conveyor belt moving space, and a conveyor belt of the conveyor belt system freely moves in the space gap reserved between the front and rear box edges of the box body; a belt driving motor is installed by punching four holes at the front end of the left side box edge of the belt bearing box, and a driving wheel of the belt driving motor is mechanically connected with a belt pulley on the left side of an upper driving roller through a belt; the conveying belt driving motor drives the driving roller, the conveying belt and the driven roller to rotate together at a constant speed through a belt; the combined gravity center of the conveyor belt system and the conveyor belt bearing box deviates to one side of the conveyor belt driving motor; punching holes at the left box edge and the right box edge corresponding to the combined gravity center of the conveyor belt bearing box, punching screw holes at corresponding positions of two ends of a bearing plate, and mounting the bearing plate; the bearing plate spans the left box edge and the right box edge and bears the total weight of the conveyor belt system and the conveyor belt bearing box; punching holes on the left and right of a combined gravity center point of the conveyor belt system and the conveyor belt bearing box on the bearing plate, fixing the holes through bolts, and mechanically connecting the combined gravity center on the bearing plate with a cantilever end of a cantilever type weighing sensor.
The movable tool support comprises an aluminum profile cross beam, an aluminum profile longitudinal beam, a bearing beam, a cantilever type weighing sensor fixing bolt, a cantilever type weighing sensor and a four-corner supporting leg adjusting bolt, and is characterized in that the aluminum profile longitudinal beam and the cross beam frame are overlapped to form a movable tool support platform; supporting legs are arranged at four corners of the movable tool support platform, and bolts are arranged at the lower ends of the supporting legs; adjusting bolts of the four supporting legs to keep the plane of the movable tool support platform horizontal; a bearing beam is arranged between the longitudinal beams of the platform; the main body end of a cantilever type weighing sensor is arranged on the bearing beam, and a cantilever of the cantilever type weighing sensor points to one side of a driving motor of the conveyor belt; the cantilever end of the cantilever type weighing sensor is connected with a bearing plate of the conveyor belt bearing box through a bolt, the total weight of the conveyor belt system and the conveyor belt bearing box falls on the cantilever end of the cantilever type weighing sensor, and the conveyor belt of the conveyor belt system is kept horizontal.
Description of the working principle: the single-arm gravity center suspension type weighing conveyor belt assembly device comprises a conveyor belt system on the upper layer, a conveyor belt bearing box on the middle layer, and a movable tool support on the lower layer, wherein four adjusting feet of the movable tool support are placed on the firm ground; the main body end of the cantilever type weighing sensor is arranged on the movable tool bracket, and the cantilever end of the cantilever type weighing sensor is supported on the combined gravity center of the conveyor belt system and the conveyor belt bearing box. The conveyer belt system is horizontally arranged on the conveyer belt bearing box, and the combined center of gravity of the conveyer belt system and the conveyer belt bearing box is arranged on a cantilever of the cantilever type weighing sensor. The cantilever type weighing sensor main part is installed on movable frock support, and the regulation four feet of movable frock support are laid on solid subaerial. The driving roller is connected with the driven wheel through a transmission belt, the left side of the driving roller is provided with a belt pulley, and the belt pulley is connected with a transmission belt driving motor at the lower part through a belt; and the conveying belt driving motor drives the driving roller, the conveying belt and the driven roller to rotate at a constant speed through a belt. The small bags to be weighed are conveyed into the weighing conveying belt through the input conveying belt, and the photoelectric sensors on the two sides of the rear end of the weighing conveying belt record the arrival of the small bags. Because of the small package, the weight is light, the integral balance of the weighing conveyor belt cannot be damaged, and the weighing is accurate. And (4) adding the combined weight of the conveyor belt system and the conveyor belt bearing box into the weight of the small package, and removing tare weight to obtain the weight of the small package. Specifically, in a static state, the combined weight of the conveyor belt system and the conveyor belt bearing box is added on the cantilever type weighing sensor, and the MCU minimum system obtains a tare weighing signal to obtain the weight of the device; and dynamically, because the conveyor belt moves at a constant speed, the number of the small bags on the weighing conveyor belt is constant, if one or more small bags are arranged, the MCU minimum system obtains a weighing signal, the tare weight is removed, and the weight of the small bags is also obtained.
The utility model discloses single armed focus suspension type conveyer belt assembly device that weighs's useful part is, because conveyer belt system and conveyer belt bearing box close the focus on cantilever arm weighing sensor's cantilever, in the conveyer belt motion was weighed, operate steadily, and zero point is fixed, has realized weighing at the dynamic accuracy of conveyer belt, and the dynamic weighing error is less than 1%. In assembly line production practice, the conveyer belt system device of weighing replaces the manual work, and the letter sorting assembly line of weighing has saved a plurality of manpowers at least, has improved work production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a conveyor belt system of a single-arm gravity center suspended weighing conveyor belt assembly device of the present invention.
Fig. 2 is a schematic structural diagram of the belt bearing box of the single-arm gravity center suspended weighing belt assembly device of the present invention.
Fig. 3 is a schematic structural view of the movable tooling support of the single-arm gravity center suspended type weighing conveyer belt assembly device of the utility model.
Wherein: 1.1, the driven roll contains driven roll both sides bearing, 1.2, U-shaped driven roll support, 1.3, conveyer belt dish-shaped platform, 1.4, conveyer belt dish-shaped platform both sides fixing bolt, 1.5, the conveyer belt, 1.6, U-shaped drive roll support, 1.7, the drive roll contains both sides bearing, 1.8, the belt pulley, 2.1, preceding, back case edge, 2.2, left, right case edge, 2.3, left, right case edge bearing draw-in groove, 2.4, conveyer belt driving motor, 2.5, the bearing plate, 2.6, the bearing plate is fixed bolt about, 3.1, the aluminium alloy crossbeam, 3.2, the aluminium alloy longeron, 3.3, the bearing beam, 3.4, cantilever type weighing sensor fixing bolt, 3.5, cantilever type weighing sensor, 3.6, the four corners supporting leg adjusting bolt, 4, cantilever type weighing sensor.
Detailed Description
The embodiment takes a reweighing sorting conveyor belt production line of a certain fish pharmaceutical factory as an example, and is described as follows by combining the attached drawings of the specification. The single-arm gravity center suspension type weighing conveyor belt assembly device is characterized in that a conveyor belt system is arranged on the upper layer, and the conveyor belt system is shown in figure 1; the middle layer is a conveyor belt bearing box, see fig. 2, and the lower layer is a movable tool support, the four adjusting feet of the movable tool support are placed on the solid ground, see fig. 3. The main body end of the cantilever type weighing sensor is arranged on a bearing beam of the movable tool bracket, and the cantilever end of the cantilever type weighing sensor is supported on the combined gravity center of the conveyor belt system and the conveyor belt bearing box. At this time, the conveyor plane of the conveyor system is horizontal. The driving roller is connected with the driven wheel through a transmission belt, the left side of the driving roller is provided with a belt pulley, and the belt pulley is connected with a transmission belt driving motor at the lower part through a belt; and the conveying belt driving motor drives the driving roller, the conveying belt and the driven roller to rotate at a constant speed through a belt. The small bags to be weighed are conveyed into the weighing conveying belt through the input conveying belt, and the photoelectric sensors on the two sides of the rear end of the weighing conveying belt record the arrival of the small bags. Because of the small package, the weight is light, the integral balance of the weighing conveyor belt cannot be damaged, and the weighing is accurate. And (4) adding the combined weight of the conveyor belt system and the conveyor belt bearing box into the weight of the small package, and removing tare weight to obtain the weight of the small package. Specifically, in a static state, the combined weight of the conveyor belt system and the conveyor belt bearing box is added on the cantilever type weighing sensor, and the MCU minimum system obtains a tare weighing signal to obtain the weight of the device; and dynamically, because the conveyor belt moves at a constant speed, the number of the small bags on the weighing conveyor belt is constant, if one or more small bags are arranged, the MCU minimum system obtains a weighing signal, the tare weight is removed, and the weight of the small bags is also obtained. In particular, the single-arm gravity center suspension type weighing conveyor belt assembly device of the utility model is only a part of a fish drug packaging production line; after the fish medicine is weighed in the funnel, the machine opens the fish medicine bag, the fish medicine is filled, the fish medicine bag is sealed, the whole bag of fish medicine is turned over, and the whole bag of fish medicine is laid down on a conveying conveyor belt rotating at a constant speed; the conveying conveyor belt is driven by a motor to rotate at a constant speed, and the whole bag of fish medicine moves along with the conveyor belt under the drive of the conveyor belt, reaches the other end of the conveying conveyor belt and is transferred to a single-arm gravity center suspension type weighing conveyor belt assembly rotating at the same speed; and (4) removing the tare weight by adding the weight of the small-package fish medicine bag and the combined weight of the conveyor belt system and the conveyor belt bearing box to obtain the weight of the small package. After weighing, the whole bag of fish medicine falls onto a sorting conveyor belt under the driving of the friction force of the conveyor belt; the sorting conveyor belt is driven by a motor to rotate in the same direction, fish medicine bags meeting the weight standard are conveyed to qualified positions to be stacked; the fish medicine bags which do not meet the weight standard are pushed out of the conveyor belt by the unqualified fish medicine bags of the machine handle.
The utility model discloses single armed focus suspension type conveyer belt assembly device that weighs's useful part is, because conveyer belt system and conveyer belt bearing box close the focus on cantilever arm weighing sensor's cantilever, in the conveyer belt motion was weighed, operate steadily, and zero point is fixed, has realized weighing at the dynamic accuracy of conveyer belt, and the dynamic weighing error is less than 1%. In assembly line production practice, the conveyer belt system device of weighing replaces the manual work, and the letter sorting assembly line of weighing has saved a plurality of manpowers at least, has improved work production efficiency.
Claims (4)
1. The single-arm gravity center suspension type weighing conveyor belt assembly device comprises a conveyor belt system, a conveyor belt bearing box, a movable tool support and a cantilever type weighing sensor, and is characterized in that the upper layer of the device is the conveyor belt system, the middle layer is the conveyor belt bearing box, and the conveyor belt system is arranged on the conveyor belt bearing box; the lower layer is a movable tool bracket, and four adjusting feet of the movable tool bracket are placed on the firm ground; the main body end of the cantilever type weighing sensor is arranged on the movable tool bracket, and the cantilever end of the cantilever type weighing sensor is supported on the combined gravity center of the conveyor belt system and the conveyor belt bearing box.
2. The single-arm gravity center suspended type weighing and conveying belt assembly device as claimed in claim 1, wherein the conveying belt system comprises a driven roller, bearings on both sides of the driven roller, a U-shaped driven roller bracket, a conveying belt disc-shaped platform, fixing bolts on both sides of the conveying belt disc-shaped platform, a conveying belt, a U-shaped driving roller bracket, a driving roller, bearings on both sides of the driving roller and a belt pulley, the conveying belt disc-shaped platform is in the shape of a disc with the bottom facing upwards and the surface facing downwards, and the discs on both sides of the conveying belt disc-shaped platform are respectively provided with two fixing bolts which are mechanically connected with a groove clamping groove of a lower conveying belt bearing box; the conveying belt disc-shaped platform is arranged in the middle of the conveying belt system, the rear side disc of the conveying belt disc-shaped platform is riveted with the U-shaped driven roller support, and the front side disc of the conveying belt disc-shaped platform is riveted with the U-shaped driven roller support; bearing clamping grooves are formed in two sides of the U-shaped driven roller bracket, bearings on two sides of the driven roller are embedded into the bearing clamping groove grooves in the two sides of the U-shaped driven roller bracket, and the driven roller rotates stably in the U-shaped driven roller bracket; bearing clamping grooves are formed in two sides of the U-shaped driving roller bracket; bearings on two sides of the driving roller are embedded and installed in bearing clamping groove grooves on two sides of the U-shaped driven roller bracket, the driving roller is connected with the driven roller through a conveying belt, and the conveying belt stretches across the driven roller, the conveying belt disk-shaped platform and the driving roller; a belt pulley is arranged on the left side of the driving roll shaft and is connected with a transmission belt driving motor on the lower part through a belt; the driving roller, the conveying belt and the driven roller are driven by the conveying belt driving motor to rotate at a constant speed through the belt.
3. The single-arm gravity-center suspended type weighing conveyor belt assembly device as claimed in claim 1, wherein the conveyor belt bearing box is in the shape of a four-sided box body without a bottom and a cover, and comprises a front box edge, a rear box edge, a left box edge, a right box edge, a left box edge bearing clamping groove, a conveyor belt driving motor, a bearing plate and a bearing plate left and right fixing bolt; the left box edge and the right box edge of the box body are equal in height, the upper edges of the left box edge and the right box edge are respectively provided with a front U-shaped bearing groove and a rear U-shaped bearing groove, the U-shaped bearing grooves are mechanically connected with fixing bolts on two sides of a disc-shaped platform of a conveyor belt system conveyor belt on the upper portion, and the conveyor belt system is arranged on the left box edge and the right box edge of a conveyor belt bearing box; the front and rear box edges of the conveyor belt bearing box are lower than the left and right box edges, the gap between the front and rear box edges and the left and right box edges is a conveyor belt moving space, and a conveyor belt of the conveyor belt system freely moves in the space gap reserved between the front and rear box edges of the box body; a driving wheel of the conveyor belt driving motor is mechanically connected with a belt pulley on the left side of an upper driving roller through a belt; the conveying belt driving motor drives the driving roller, the conveying belt and the driven roller to rotate together at a constant speed through a belt; the combined gravity center of the conveyor belt system and the conveyor belt bearing box deviates to one side of the conveyor belt driving motor; punching holes at the left box edge and the right box edge corresponding to the combined gravity center of the conveyor belt bearing box, punching screw holes at the corresponding positions of the two ends of a bearing plate, mounting the bearing plate, and enabling the bearing plate to span the left box edge and the right box edge to bear the total weight of the conveyor belt system and the conveyor belt bearing box; punching holes on the left and right of a combined gravity center point of the conveyor belt system and the conveyor belt bearing box on the bearing plate, and mechanically connecting the combined gravity center on the bearing plate with a cantilever end of a cantilever type weighing sensor through a bolt.
4. The single-arm gravity center suspended type weighing conveyor belt assembly device as claimed in claim 1, wherein the movable tool support comprises an aluminum profile cross beam, an aluminum profile longitudinal beam, a bearing beam, a cantilever type weighing sensor fixing bolt, a cantilever type weighing sensor and a four-corner support leg adjusting bolt, and the aluminum profile longitudinal beam and the cross beam frame which are well overlapped form a movable tool support platform; supporting legs are arranged at four corners of the movable tool support platform, and adjusting bolts are arranged at the lower ends of the supporting legs; a bearing beam is arranged between the longitudinal beams of the platform; the main body end of a cantilever type weighing sensor is arranged on the bearing beam, and a cantilever of the cantilever type weighing sensor points to one side of a driving motor of the conveyor belt; the cantilever end of the cantilever type weighing sensor is connected with a bearing plate of the conveyor belt bearing box through a bolt, the total weight of the conveyor belt system and the conveyor belt bearing box falls on the cantilever end of the cantilever type weighing sensor, and the conveyor belt of the conveyor belt system is kept horizontal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021831810.9U CN213967795U (en) | 2020-08-28 | 2020-08-28 | Single-arm gravity center suspension type weighing conveyor belt assembly device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021831810.9U CN213967795U (en) | 2020-08-28 | 2020-08-28 | Single-arm gravity center suspension type weighing conveyor belt assembly device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213967795U true CN213967795U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021831810.9U Active CN213967795U (en) | 2020-08-28 | 2020-08-28 | Single-arm gravity center suspension type weighing conveyor belt assembly device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213967795U (en) |
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2020
- 2020-08-28 CN CN202021831810.9U patent/CN213967795U/en active Active
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