CN213515976U - Weighing scale with arc-shaped groove weighing platform - Google Patents
Weighing scale with arc-shaped groove weighing platform Download PDFInfo
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- CN213515976U CN213515976U CN202022476266.7U CN202022476266U CN213515976U CN 213515976 U CN213515976 U CN 213515976U CN 202022476266 U CN202022476266 U CN 202022476266U CN 213515976 U CN213515976 U CN 213515976U
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Abstract
The utility model provides an arc wall weighing platform checkweigher, which comprises a support, weighing unit, dial material mechanism, the switch board, weighing unit includes weighing sensor, the transition piece, the arc wall weighing platform passes through the transition piece and is connected with weighing sensor, weighing sensor fixes on the frame, weighing sensor is connected with the switch board electricity, the arc wall weighing platform is the convex three-dimensional spatial structure who forms after the relative tank bottom distance that the slot on this two-dimensional plane was used to a cell type two-dimensional picture directly over the opening is greater than the straight line of the biggest size of the object of being weighed as the certain angle of shaft rotation, the arc wall weighing platform inner wall is smooth and its cell type medial surface size and pitch arc length constitute a space that can hold a complete object of being weighed, the mid point of pitch arc is located the minimum of arc groove.
Description
Technical Field
The utility model relates to an arc chute weighing platform checkweigher especially relates to the checkweigher that carries out online automatic static weighing to the equivoluminal little, the hard product general land of capsule, tablet of various sizes and shape.
Background
Many small, hard-to-weigh volume or weight requirements, such as capsules, tablets, and products that are critical require a weight check on each of all products, or a periodic spot check on the weight or drug content of a portion of the product, requiring an on-line automatic weighing of small batches of product.
The existing specialized weighing equipment such as a capsule check weight scale, a tablet check weight scale and the like can automatically weigh hard capsules and tablets one by one at high speed and high precision. However, the existing static capsule checkweigher needs a complicated feeding and pushing mechanism, the structure is too complicated, the cost is high, the slide checkweigher needs to occupy a long space, and the slide checkweigher cannot switch checkweigher between hard capsules and tablets on the premise of not replacing a die. There is no equipment on the market today that can rapidly weigh soft capsules in the shape of olives; there are also many users who need to frequently switch quickly between capsules and tablets for weighing, or switch weighing between different tablets. Therefore, a universal automatic checkweigher which can conveniently weigh tablets with various sizes and shapes and can weigh hard capsules and soft capsules with various models is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides an arc-shaped groove weighing platform checkweigher.
The technical measures adopted by the utility model are as follows: an arc-shaped groove weighing platform checkweigher comprises a machine base, a weighing unit, a material shifting mechanism and a control cabinet, and is characterized in that the weighing unit comprises a weighing sensor, a transition piece and an arc-shaped groove weighing platform, the arc-shaped groove weighing platform is connected with the weighing sensor through the transition piece, the weighing sensor is fixed on the machine base and electrically connected with the control cabinet, the arc-shaped groove weighing platform is a circular arc three-dimensional structure formed by rotating a certain angle by taking a straight line as an axis, wherein the distance between the straight line and the bottom of the groove above an opening of the groove on a two-dimensional plane is larger than the maximum size of an object to be weighed, the inner wall of the arc-shaped groove weighing platform is smooth, the size of the inner side surface of the groove and the length of an arc line form a space capable of containing a complete object; the material stirring mechanism comprises an impeller, a rotating shaft and a driving mechanism, the rotating shaft is driven by the driving mechanism, the impeller is fixed on the rotating shaft, the impeller is provided with at least one blade, the shape of the end part of the blade is set according to a groove-shaped two-dimensional graph, the impeller is positioned right above an arc-shaped groove weighing platform, the rotating shaft connected with the impeller is coaxial with a shaft forming an arc-shaped three-dimensional structure, a gap is reserved between the interface of the end part of the blade and the arc-shaped groove weighing platform, the blade is not; the driving mechanism is electrically connected with the control cabinet.
The scheme is characterized by also comprising a feeding mechanism positioned on the left side of the arc-shaped groove weighing platform, wherein the feeding mechanism comprises a vibration feeding groove and a buffer groove which are arranged from left to right, a discharge hole of the vibration feeding groove is positioned on the right side of the vibration feeding groove and is just opposite to a feeding hole of the buffer groove, the buffer groove can be a straight groove or an arc-shaped groove, the buffer groove inclines downwards towards the right, an outlet of the buffer groove is butted with the left end of the arc-shaped groove weighing platform, the section groove shape of the buffer groove is the same as the groove shape of the arc-shaped groove weighing platform, and the buffer groove and blades positioned at the outlet of the buffer groove form a material waiting area to be weighed; the vibration feeding groove and the feeding photoelectric sensor are electrically connected with the control cabinet.
The weighing device also comprises a feeding photoelectric sensor which is positioned at the right end of the buffer tank and irradiates the object to be weighed.
Only part of the weighing sensor is exposed, the rest of the weighing sensor is covered by the protective cover, the transition piece consists of a pointed roof-shaped cover plate and vertical plates at two ends of the pointed roof-shaped cover plate, and the pointed roof-shaped cover plate covers the exposed part of the weighing sensor.
The two-dimensional groove of the arc-shaped groove weighing platform is a V-shaped groove, and the middle part of the bottom of the arc-shaped groove weighing platform is provided with a narrow strip groove hole consistent with the arc direction.
Or the two-dimensional groove type of the arc-shaped groove weighing platform is a U groove or a semicircle.
The angle calibration device is characterized by further comprising an angle calibration disc and an angle calibration photoelectric sensor, wherein the angle calibration disc is fixed with the rotating shaft, a calibration hole is formed in the angle calibration disc, the angle calibration photoelectric sensor is a reflection type photoelectric sensor and is fixed on the base, and the angle calibration photoelectric sensor is electrically connected with the control cabinet.
Or the feeding mechanism is positioned on the front surface of the arc-shaped groove weighing platform, and the direction of the discharge port of the feeding mechanism is consistent with the axis of the rotating shaft of the impeller.
The rotation angle of the groove-shaped two-dimensional graph is greater than or equal to 90 degrees.
The feed mechanism includes tertiary vibration feed trough.
The utility model discloses there is following beneficial effect: 1. the arc-shaped groove weighing platform can enable hard capsules, soft capsules and tablets of various sizes and shapes to stably stop at the lowest position of the weighing platform, and cannot contact or interfere with other structural parts except the weighing platform. Compared with the prior art, the device has no complicated and severe feeding queuing mechanism, weighing mechanism and material moving mechanism, does not need to replace a die, and can directly and conveniently stop hard capsules, soft capsules and tablets with various shapes and sizes and carry out weight detection on the hard capsules, the soft capsules and the tablets by the arc-shaped groove weighing platform, thereby realizing the purpose of universal weighing.
2. The impeller is positioned right above the arc-shaped groove weighing platform, a rotating shaft for connecting the impeller is coaxial with a shaft forming an arc-shaped three-dimensional structure, a gap is reserved between the end interface of the blade and the arc-shaped groove weighing platform and is not contacted, the weighing platform is simple in structure, and feeding and weighing are synchronously completed by rotating the impeller; moreover, because the rotating shaft for connecting the blades is coaxial with the shaft for forming the circular arc three-dimensional structure, the driving force for rotating the moving object is tangent to the arc line groove all the time, the moving object can not cause large interference impact by the symmetrical load sensor, so that the weighing data is faster and more stable, and the result is more accurate.
3. Only install the arc wall weighing platform on the weighing sensor, the material loading is all accomplished through the rotating vane with shifting out the capsule tablet, and material loading and shifting-out device all with the frame fixed, do not load on weighing sensor, do not have the contact with weighing sensor, can choose for use the less weighing sensor of range, so, the utility model discloses a weighing precision is high, reliable. In order to stably move the weighed object, particularly the crushed weighed object, the blade is provided with an end part shape according to the shape of the section groove body of the arc-shaped groove weighing platform, and if the section groove of the arc-shaped groove, namely the groove shape of the two-dimensional graph is V-shaped, the end part of the blade is also provided with the V-shaped shape; if the section of the arc-shaped groove is a U-shaped groove, the end part of the blade is also arranged into a U shape; in this way, the weighing platform is protected, and small or broken objects cannot damage the weighing sensor.
4. Set up at least one blade in the pivot, each blade all can be responsible for the material loading of stagnation capsule tablet, the preparation next object of weighing, and the blade rotates, and the leading-in is about to next object of weighing when removing the last object of weighing that has accomplished the weighing, and is efficient.
5. The rotatory angle more than or equal to 90 of cell type two-dimensional map, the arc wall weighing platform inner wall is smooth, can make the object of being weighed roll or slide to the lowest of arc wire casing more easily, faster to ensure that the blade that is located arc wall weighing platform both ends does not contact with the object of being weighed, realize quick, stable, noiseless weighing.
Drawings
Fig. 1 is a schematic perspective view of the present invention. Fig. 2 is an enlarged schematic view of a portion E in fig. 1. Fig. 3 is a front view schematically illustrating the structure of the present invention. Fig. 4 is an enlarged view of the portion I in fig. 3.
In the figure, 1-an arc-shaped groove weighing platform, 2-an object to be weighed, 3-a blade, 4-a buffer groove, 5-a material receiving barrel, 7-a weighing sensor, 8-a rotating shaft, 9-an angle calibration disc, 10-an angle calibration photoelectric sensor, 11-a calibration hole, 12-a feeding photoelectric sensor, 13-a vibration feeding groove, 14-a machine base, 15-a protective cover, 16-a cover plate and 17-a vertical plate.
Detailed Description
Example 1: an arc-shaped groove weighing platform checkweigher is shown in figures 1-4 and comprises a machine base 14, a weighing unit, a material shifting mechanism, a feeding mechanism, a control cabinet and a material receiving barrel 5.
The weighing unit comprises a weighing sensor 7, a transition piece and an arc-shaped groove weighing platform 1, the arc-shaped groove weighing platform 1 is connected with the weighing sensor 7 through the transition piece, only part of the weighing sensor 7 is exposed, the rest of the weighing sensor 7 is covered by a protective cover 15, the transition piece comprises a pointed roof-shaped cover plate 16 and vertical plates 17 at two ends of the pointed roof-shaped cover plate, the pointed roof-shaped cover plate 16 covers the exposed part of the weighing sensor 7, the weighing sensor 7 is fixed on a machine base 14, and the weighing sensor 7 is electrically connected with a control cabinet.
The arc-shaped groove weighing platform 1 is of an arc-shaped three-dimensional structure formed by rotating a straight line, which is used as an axis and has a certain angle, of a groove-shaped two-dimensional graph, wherein the distance between the straight line and the groove bottom above an opening of a groove on the two-dimensional plane is larger than the maximum size of the object to be weighed 2, the straight line is smooth, the size of the inner side surface of the groove-shaped groove weighing platform and the length of an arc line form a space capable of containing the complete object to be weighed 2, and the middle point of the arc line is.
The rotation angle of the groove-shaped two-dimensional graph is greater than or equal to 90 degrees.
The two-dimensional groove shape of the arc-shaped groove weighing platform 1 is a V-shaped groove with an included angle of 90 degrees, the middle part of the bottom of the arc-shaped groove weighing platform 1 is provided with a narrow and long groove hole consistent with the arc direction, and fine particles or dust falling during weighing and moving of materials can firstly leak from the narrow and long groove hole and then flow away from the surface of the pointed roof-shaped cover plate 16, so that the fine particles or dust are prevented from being retained on the weighing sensor 7 and influencing the reading of the weighing sensor 7.
The material stirring mechanism comprises an impeller, a rotating shaft 8 and a driving mechanism, wherein the rotating shaft 8 is driven by the driving mechanism, the impeller is fixed on the rotating shaft 8, the impeller is provided with at least one blade 3, the end part shape of the blade 3 is set according to a groove-shaped two-dimensional graph, the impeller is positioned right above the arc-shaped groove weighing platform 1, the rotating shaft 8 connected with the impeller is coaxial with a shaft forming an arc-shaped three-dimensional structure, a gap is reserved between the end part interface of the blade 3 and the arc-shaped groove weighing platform 1 and is not contacted with the end part; the driving mechanism is electrically connected with the control cabinet.
Because the arc-shaped groove section groove is V-shaped, the end part of the blade 3 is also V-shaped, and the driving mechanism drives the blade 3 to rotate for a fixed angle each time in a stepping mode; the angle calibrating device further comprises an angle calibrating disc 9 and an angle calibrating photoelectric sensor 10, wherein the angle calibrating disc 9 is fixed with the rotating shaft 8, a calibrating hole is formed in the angle calibrating disc 9, the angle calibrating photoelectric sensor 10 adopts a reflection type photoelectric sensor, the actual stop position of the blade 3 at each time is rechecked through the light transmission of the calibrating hole 11, and the blade 3 is ensured not to be in contact with the weighed object 2; the angle-calibrated photosensor 10 is fixed to the housing 14.
In this example there are 4 blades 3, which are equally divided by 360 °; during weighing, the blades 3 close to the arc-shaped groove weighing platform 1 are ensured to stop at the two ends of the arc-shaped groove weighing platform 1 through rechecking of the angle calibration photoelectric sensor 10; the driving mechanism and the angle calibration photoelectric sensor 10 are both electrically connected with the control cabinet.
The weighing device also comprises a feeding mechanism positioned on the left side of the arc-shaped groove weighing platform 1, wherein the feeding mechanism comprises a vibration feeding groove 13 and a buffer groove 4 which are arranged from left to right, and a feeding photoelectric sensor 12 positioned on the right end of the buffer groove 4 and used for irradiating the object 2 to be weighed, a discharge hole of the vibration feeding groove 13 is positioned on the right side of the vibration feeding groove 13 and is just opposite to a feeding hole of the buffer groove 4 positioned on the right side of the vibration feeding groove 13, the buffer groove 4 can be a straight groove or an arc-shaped groove, and the buffer groove 4 inclines downwards to the right; the weighed objects 2 are vibrated and queued by the vibration feeding groove 13 and conveyed, the feeding photoelectric sensor 12 detects whether the weighed objects 2 are queued to the outlet, the weighed objects 2 vibrate all the time if the weighed objects 2 are not queued at the outlet, and the vibration feeding groove 13 outputs one weighed object 2 if the weighed objects 2 are not queued at the outlet, stops the vibration feeding until the weighed objects 2 are not stored in the buffer groove 4, and then stops the vibration feeding; the outlet of the buffer tank 4 corresponds to the inlet of the arc-shaped tank weighing platform 1, the blade 3 blocks the weighed object 2 from freely sliding down in the buffer tank 4, and the buffer tank 4 and the blade 3 positioned at the outlet of the buffer tank 4 form a material waiting area to be weighed; the vibration feeding groove 13 and the feeding photoelectric sensor 12 are electrically connected with the control cabinet.
In this example, after the weighing unit finishes weighing, the driving mechanism drives the rotating shaft 8 to rotate 90 degrees, the weighed object 2 on the arc-shaped groove weighing platform 1 is scraped out of the groove body and enters the receiving barrel 5, and meanwhile, the weighed object 2 to be weighed is guided into the arc-shaped groove weighing platform 1 from the buffer groove 4.
No matter the tablet or the capsule can be conveniently conveyed to the arc-shaped groove weighing platform 1 through the blade 3 and the buffer groove 4, and can freely and quickly stop at the lowest area of the bottom of the arc-shaped groove weighing platform 1 with the smooth inner wall by means of dead weight without interfering with the blade 3, and the blade 3 does not influence the weighing precision.
In order to ensure the queuing effect and the weighing efficiency of the weighed objects 2, a three-stage vibration conveying queuing device is adopted in the embodiment.
Example 2: the utility model provides an arc wall weighing platform checkweigher, no longer describe with embodiment 1 the same place, the difference lies in, feed mechanism is located the front of arc wall weighing platform 1, it gets into the arc wall weighing platform not from the buffer slot 4 on the left side to be weighed object 2, but directly get into the space of weighing that arc wall weighing platform 1 and its left and right two blades 3 of both ends constitute from the front, feed mechanism's discharge gate direction is unanimous with the axis of pivot 8, promptly, the traffic direction that is weighed object 2 during the material loading is unanimous with the axis of pivot 8.
Example 3: the utility model provides an arc wall weighing platform checkweigher, the same with embodiment 1 no longer redundantly, the difference lies in, the two-dimensional map cell type of arc wall weighing platform 1 is U groove or semi-circular.
Claims (10)
1. An arc-shaped groove weighing platform checkweigher comprises a machine base, a weighing unit, a material shifting mechanism and a control cabinet, and is characterized in that the weighing unit comprises a weighing sensor, a transition piece and an arc-shaped groove weighing platform, the arc-shaped groove weighing platform is connected with the weighing sensor through the transition piece, the weighing sensor is fixed on the machine base and electrically connected with the control cabinet, the arc-shaped groove weighing platform is a circular arc-shaped three-dimensional structure formed by a groove-shaped two-dimensional graph and rotating for a certain angle by taking a straight line, which is positioned right above an opening of a groove on a two-dimensional plane, of the groove in the two-dimensional plane as an axis, wherein the distance between the straight line and the bottom of the groove is larger than the maximum size of a weighed object, the straight line is smooth, the size of the inner side surface of; the material stirring mechanism comprises an impeller, a rotating shaft and a driving mechanism, the rotating shaft is driven by the driving mechanism, the impeller is fixed on the rotating shaft, the impeller is provided with at least one blade, the shape of the end part of the blade is set according to a groove-shaped two-dimensional graph, the impeller is positioned right above an arc-shaped groove weighing platform, the rotating shaft connected with the impeller is coaxial with a shaft forming an arc-shaped three-dimensional structure, a gap is reserved between the interface of the end part of the blade and the arc-shaped groove weighing platform, the blade is not; the driving mechanism is electrically connected with the control cabinet.
2. The arc-shaped trough weighing scale according to claim 1, further comprising a feeding mechanism located on the left side of the arc-shaped trough weighing platform, wherein the feeding mechanism comprises a vibration feeding trough and a buffer trough which are arranged from left to right, a discharge port of the vibration feeding trough is located on the right side of the vibration feeding trough and is opposite to a feed port of the buffer trough, the buffer trough is a straight trough or an arc-shaped trough, the buffer trough inclines downwards to the right, an outlet of the buffer trough is in butt joint with the left end of the arc-shaped trough weighing platform, the cross-sectional trough shape of the buffer trough is the same as that of the arc-shaped trough weighing platform, and the buffer trough and blades located at the outlet of the buffer trough form a material waiting area to be weighed; the vibration feeding groove and the feeding photoelectric sensor are electrically connected with the control cabinet.
3. The arcuate slot scale of claim 2, further including a feed photosensor positioned at the right end of the buffer slot for illuminating an object being weighed.
4. The arcuate slot scale platform checkweigher of claim 1 wherein only a portion of the load cells are exposed and the remainder are covered by a protective cover, the transition member comprising a peaked roof-like cover plate covering the exposed portion of the load cells and vertical plates at either end thereof.
5. The arcuate slot scale according to claim 4, wherein the arcuate slot scale has a V-shaped slot in the two dimensional shape and a slot having a narrow slot opening in the middle of the slot bottom of the arcuate slot scale in the same direction as the arc.
6. The arcuate slot scale of claim 4, wherein the arcuate slot scale platform has a two-dimensional slot profile that is U-shaped or semi-circular.
7. The arc chute weighing scale according to claim 1, further comprising an angle calibration plate, an angle calibration photoelectric sensor, wherein the angle calibration plate is fixed to the rotating shaft, the angle calibration plate is provided with a calibration hole, the angle calibration photoelectric sensor is a reflection type photoelectric sensor and is fixed to the machine base, and the angle calibration photoelectric sensor is electrically connected to the control cabinet.
8. The arcuate slot scale of claim 2, wherein the feed mechanism is positioned on the front of the arcuate slot scale, the feed mechanism discharge port being oriented in line with the axis of the impeller shaft.
9. The arcuate slot scale checkweigher of claim 1 wherein the slot pattern two dimensional view rotates through an angle equal to or greater than 90 °.
10. The arcuate slot scale checkweigher of claim 2 wherein the feed mechanism includes a three-stage vibratory feed trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022476266.7U CN213515976U (en) | 2020-10-31 | 2020-10-31 | Weighing scale with arc-shaped groove weighing platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022476266.7U CN213515976U (en) | 2020-10-31 | 2020-10-31 | Weighing scale with arc-shaped groove weighing platform |
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| Publication Number | Publication Date |
|---|---|
| CN213515976U true CN213515976U (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022476266.7U Active CN213515976U (en) | 2020-10-31 | 2020-10-31 | Weighing scale with arc-shaped groove weighing platform |
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| CN (1) | CN213515976U (en) |
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- 2020-10-31 CN CN202022476266.7U patent/CN213515976U/en active Active
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