CN213932809U

CN213932809U - Metering calibration device for digital indicating scale

Info

Publication number: CN213932809U
Application number: CN202120067346.9U
Authority: CN
Inventors: 陈荣福
Original assignee: Guangdong 602 Measurement And Testing Co ltd
Current assignee: Guangdong 602 Measurement And Testing Co ltd
Priority date: 2021-01-11
Filing date: 2021-01-11
Publication date: 2021-08-10
Anticipated expiration: 2031-01-11

Abstract

The utility model discloses a metering calibration device for a digital indicating scale, which comprises a base, wherein the top of the base is fixedly connected with a supporting plate, one side of the supporting plate is fixedly connected with a groove plate, one side of the groove plate is slidably connected with a sliding plate, the top of the supporting plate is fixedly connected with a mounting plate, the top of the base and the top of the mounting plate are rotatably connected with the same first threaded rod, the sliding plate is sleeved on the first threaded rod, a thread is arranged in the sliding plate, the first threaded rod is in threaded connection with the sliding plate, the utility model has simple structure and convenient use, adopts mechanized circulation to place weight with gradually decreased weight for calibration, has simpler and more convenient calibration and higher precision, can adjust the position of the digital indicating scale, and can ensure that the position of each weight is in the center of the digital indicating scale, the accuracy of proofreading is improved.

Description

Metering calibration device for digital indicating scale

Technical Field

The utility model relates to a digital indication title technical field especially relates to a measurement calibrating device for digital indication title.

Background

The digital indicating scale is an electronic scale which measures the weight of a load by using a weighing sensor, passes through an electronic device and digitally displays the weight value. The digital indicating scale belongs to a non-automatic scale with self-indication. The scale can be divided into a weighing scale, a pricing scale, a counting scale, a bar code printing scale and the like according to the using function. The digital indicating scale has the characteristics of high accuracy, visual display, convenient use and rich expanded functions. The digital indicating scale needs to be calibrated for metering in a short time during use so as to ensure the precision of the scale.

The calibration of current large-scale digital indicating scale generally adopts the mode of placing the weight to calibrate, when placing the weight of different weight, need constantly take the weight and debug the digital indicating scale, and the trouble of comparison is got up in the operation, and the position that the weight was put at every turn of also can not guaranteeing is in the centre of indicating scale, can influence the accuracy of indicating scale school pair.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art, and provides a metering calibration device for a digital indicator.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a metering calibration device for a digital scale comprises a base, wherein a supporting plate is fixedly connected to the top of the base, a groove plate is fixedly connected to one side of the supporting plate, a sliding plate is slidably connected to one side of the groove plate, a mounting plate is fixedly connected to the top of the supporting plate, the top of the base and the top of the mounting plate are rotatably connected with the same first threaded rod, the sliding plate is sleeved on the first threaded rod, a thread is formed in the sliding plate, the first threaded rod is in threaded connection with the sliding plate, the top of the first threaded rod penetrates through the mounting plate and extends to one side of the top of the mounting plate, a power assembly for driving the first threaded rod to rotate is arranged on the mounting plate, the bottom of the sliding plate is rotatably connected with a rotating shaft, a rotating disc is fixedly connected to the bottom of the rotating shaft, and a plurality of placing holes are formed in the rotating disc, weights are placed in the placing holes, the top of the rotating shaft penetrates through the top of the sliding plate and extends to one side of the top of the sliding plate, a driving assembly for driving the rotating shaft to rotate is arranged on the sliding plate, a digital indicating scale is placed on the top of the base, and a limiting assembly for limiting the digital indicating scale is arranged on the base.

Preferably, power component includes the L shaped plate of the bottom fixed connection of mounting panel, the bottom inner wall fixed mounting of L shaped plate has first motor, the output shaft of first motor runs through the mounting panel and extends to mounting panel top one side, the outer wall of first threaded rod and the equal fixed cover of output shaft of first motor are equipped with the belt pulley, two the belt pulley cover is equipped with same belt.

Preferably, the driving assembly comprises a second motor fixedly connected to the top of the sliding plate, an output shaft of the second motor is fixedly sleeved with a first gear, a second gear is fixedly sleeved on the outer wall of the rotating shaft, and the first gear is meshed with the second gear.

Preferably, spacing subassembly includes the U-shaped board of the top fixed connection of base, a plurality of springs of one side inner wall fixedly connected with of U-shaped board, it is a plurality of the one end of spring is connected with same clamp plate, the bottom of clamp plate and the top sliding connection of base, one side of clamp plate and one side of digital indication title contact, the top fixedly connected with fixed block of base, threaded connection has the second threaded rod on the fixed block, the one end of second threaded rod is rotated and is connected with the push pedal, the top of push pedal and base contacts, one side of push pedal and one side of digital indication title contact.

Preferably, one end of the second threaded rod is fixedly connected with a hand wheel, and an anti-skidding sleeve is sleeved on the outer wall of the hand wheel.

Preferably, the weights of the weights are different, and the weights of the weights are in a descending trend.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, when the digital indicating scale needs to be measured and calibrated, the digital indicating scale is placed on the base, so that one side of the digital indicating scale is contacted with the pressing plate, and in order to ensure that the position where the weight is placed at each time is positioned at the center of the digital indicating scale, the hand wheel is manually rotated, the hand wheel is rotated to drive the second threaded rod to rotate, the second threaded rod is rotated to drive the push plate to slide, the push plate slides to drive the digital indicating scale to move, and when the center of the digital indicating scale is positioned at the lowest part of the center of the weight, the hand wheel is stopped to rotate;

2. in the utility model, the rotation of the second motor is started, the weight with the largest weight is rotated right above the digital indicator, the rotation of the second motor drives the first gear to rotate, the rotation of the first gear drives the second gear to rotate, the rotation of the second gear drives the rotation shaft to rotate, the rotation of the rotation shaft drives the rotation disc to rotate, the rotation of the rotation disc drives the weight to rotate, and after the weight with the largest weight is rotated right above the digital indicator, the second motor stops rotating;

3. the utility model discloses in, first motor is automatic to be opened, the rotation of first motor drives the belt pulley and rotates, the rotation of belt pulley drives the belt and rotates, the rotation of belt drives first threaded rod and rotates, the rotation of first threaded rod drives the sliding plate and slides, the slip of sliding plate drives the axis of rotation and removes, the removal of axis of rotation drives the rolling disc and removes, the removal of rolling disc drives the weight and removes, bottom and the top of digital indicator when the weight contacts, and the weight breaks away from the contact back with placing the hole, first motor stall, see whether the weight that shows on the digital indicator accords with the weight of weight, the incoherence is adjusted, after the regulation finishes, continue to carry out the proofreading of next weight, until all weights have proofread once, digital indicator proofreads and finishes this moment.

The utility model discloses simple structure, convenient to use adopts mechanized circulation to place weight and becomes degressive weight and proofread, and the comparison is got up in the proofreading simple and convenient, and the precision is high, and can adjust the position of digital indicator, can guarantee that the position that the weight was put at every turn is in the positive center of digital indicator, has improved the accuracy of proofreading.

Drawings

Fig. 1 is a schematic structural view, partially in section, of a front view of a metering calibration device for a digital indicating scale according to the present invention;

fig. 2 is an enlarged schematic structural diagram of a portion a of a metering calibration device for a digital indicating scale according to the present invention;

fig. 3 is a schematic top view of a rotary disc of a metering calibration device for a digital indicator according to the present invention.

In the figure: 1. a base; 2. a first threaded rod; 3. a support plate; 4. a groove plate; 5. an L-shaped plate; 6. a first motor; 7. mounting a plate; 8. a belt pulley; 9. a belt; 10. a second motor; 11. a first gear; 12. a second gear; 13. a rotating shaft; 14. a sliding plate; 15. pressing a plate; 16. rotating the disc; 17. placing holes; 18. a weight; 19. a numerical scale; 20. a U-shaped plate; 21. pushing the plate; 22. a fixed block; 23. a second threaded rod; 24. a hand wheel; 25. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-3, a metering calibration device for a digital scale comprises a base 1, a supporting plate 3 is fixedly connected to the top of the base 1, a groove plate 4 is fixedly connected to one side of the supporting plate 3, a sliding plate 14 is slidably connected to one side of the groove plate 4, a mounting plate 7 is fixedly connected to the top of the supporting plate 3, the top of the base 1 and the top of the mounting plate 7 are rotatably connected with a same first threaded rod 2, the sliding plate 14 is sleeved on the first threaded rod 2, a thread is formed in the sliding plate 14, the first threaded rod 2 is in threaded connection with the sliding plate 14, the top of the first threaded rod 2 penetrates through the mounting plate 7 and extends to one side of the top of the mounting plate 7, a power assembly for driving the first threaded rod 2 to rotate is arranged on the mounting plate 7, a rotating shaft 13 is rotatably connected to the bottom of the sliding plate 14, a rotating disc 16 is fixedly connected to the bottom of the rotating shaft 13, and a plurality of placing holes 17 are formed in the rotating disc 16, place and place weight 18 in the hole 17, the top of axis of rotation 13 runs through the top of sliding plate 14 and extends to sliding plate 14 top one side, is provided with the pivoted drive assembly of drive axis of rotation 13 on the sliding plate 14, and digital indicator 19 has been placed at the top of base 1, is provided with on the base 1 and carries out spacing subassembly spacing to digital indicator 19.

Example two

The embodiment is improved on the basis of the first embodiment: the power assembly comprises an L-shaped plate 5 fixedly connected with the bottom of a mounting plate 7, a first motor 6 is fixedly mounted on the inner wall of the bottom of the L-shaped plate 5, an output shaft of the first motor 6 penetrates through the mounting plate 7 and extends to one side of the top of the mounting plate 7, belt pulleys 8 are fixedly sleeved on the outer wall of a first threaded rod 2 and the output shaft of the first motor 6, the two belt pulleys 8 are sleeved with a same belt 9, a driving assembly comprises a second motor 10 fixedly connected with the top of a sliding plate 14, a first gear 11 is fixedly sleeved on the output shaft of the second motor 10, a second gear 12 is fixedly sleeved on the outer wall of a rotating shaft 13, the first gear 11 is meshed with the second gear 12, the limiting assembly comprises a U-shaped plate 20 fixedly connected with the top of a base 1, a plurality of springs 25 are fixedly connected with the inner wall of one side of the U-shaped plate 20, and one end of each spring 25 is connected with a same pressing plate 15, the bottom of clamp plate 15 and base 1's top sliding connection, one side of clamp plate 15 and one side of digital indication title 19 contact, base 1's top fixedly connected with fixed block 22, threaded connection has second threaded rod 23 on the fixed block 22, the one end of second threaded rod 23 is rotated and is connected with push pedal 21, push pedal 21 and base 1's top contacts, one side of push pedal 21 and one side of digital indication title 19 contact, the one end fixedly connected with hand wheel 24 of second threaded rod 23, the outer wall cover of hand wheel 24 is equipped with anti-skidding cover, the weight of a plurality of weights 18 is different, the weight of a plurality of weights 18 is the trend of decrementing.

The working principle is as follows: when the digital scale 19 needs to be measured and calibrated, the digital scale 19 is placed on the base 1, one side of the digital scale 19 is in contact with the pressing plate 15, in order to ensure that the position where the weight 18 is placed is located at the center of the digital scale 19 each time, the hand wheel 24 is manually rotated, the hand wheel 24 is rotated to drive the second threaded rod 23 to rotate, the second threaded rod 23 is rotated to drive the push plate 21 to slide, the push plate 21 slides to drive the digital scale 19 to move, when the center of the digital scale 19 is located at the lowest position of the center of the weight 18, the hand wheel 24 is stopped to rotate, after the position of the digital scale 19 is adjusted, the second motor 10 is started to rotate, the weight 18 with the largest weight is rotated to be right above the digital scale 19, the second motor 10 rotates to drive the first gear 11 to rotate, and the first gear 11 rotates to drive the second gear 12 to rotate, the rotation of the second gear 12 drives the rotation shaft 13 to rotate, the rotation of the rotation shaft 13 drives the rotation disc 16 to rotate, the rotation of the rotation disc 16 drives the weights 18 to rotate, when the weight 18 with the largest weight rotates to a position right above the digital indicator 19, the second motor 10 stops rotating, the first motor 6 is automatically started, the rotation of the first motor 6 drives the belt pulley 8 to rotate, the rotation of the belt pulley 8 drives the belt 9 to rotate, the rotation of the belt 9 drives the first threaded rod 2 to rotate, the rotation of the first threaded rod 2 drives the sliding plate 14 to slide, the sliding of the sliding plate 14 drives the rotation shaft 13 to move, the movement of the rotation shaft 13 drives the rotation disc 16 to move, the movement of the rotation disc 16 drives the weights 18 to move, when the bottom of the weights 18 is in contact with the top of the digital indicator 19, and the weights 18 are separated from the placing hole 17, the first motor 6 stops rotating, and (4) whether the weight displayed on the digital indicator scale 19 is consistent with the weight of the weight 18 or not is judged, adjustment is carried out if the weight is not consistent with the weight of the weight 18, and after the adjustment is finished, the next weight 18 is continuously corrected until all the weights 18 are corrected once, and at the moment, the digital indicator scale 19 is completely corrected.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. A metering calibration device for a digital scale comprises a base (1) and is characterized in that a supporting plate (3) is fixedly connected to the top of the base (1), a groove plate (4) is fixedly connected to one side of the supporting plate (3), a sliding plate (14) is slidably connected to one side of the groove plate (4), a mounting plate (7) is fixedly connected to the top of the supporting plate (3), the top of the base (1) and the top of the mounting plate (7) are rotatably connected with the same first threaded rod (2), the sliding plate (14) is sleeved on the first threaded rod (2), a thread is arranged in the sliding plate (14), the first threaded rod (2) is in threaded connection with the sliding plate (14), the top of the first threaded rod (2) penetrates through the mounting plate (7) and extends to one side of the top of the mounting plate (7), and a power assembly for driving the first threaded rod (2) to rotate is arranged on the mounting plate (7), the bottom of the sliding plate (14) is rotatably connected with a rotating shaft (13), the bottom of the rotating shaft (13) is fixedly connected with a rotating disc (16), a plurality of placing holes (17) are formed in the rotating disc (16), weights (18) are placed in the placing holes (17), the top of the rotating shaft (13) penetrates through the top of the sliding plate (14) and extends to one side of the top of the sliding plate (14), a driving assembly for driving the rotating shaft (13) to rotate is arranged on the sliding plate (14), a digital indicator (19) is placed on the top of the base (1), and a limiting assembly for limiting the digital indicator (19) is arranged on the base (1).

2. The metering calibration device for the digital scale as claimed in claim 1, wherein the power assembly comprises a bottom fixedly connected L-shaped plate (5) of a mounting plate (7), a first motor (6) is fixedly mounted on the bottom inner wall of the L-shaped plate (5), an output shaft of the first motor (6) penetrates through the mounting plate (7) and extends to one side of the top of the mounting plate (7), belt pulleys (8) are fixedly sleeved on the outer wall of the first threaded rod (2) and the output shaft of the first motor (6), and the two belt pulleys (8) are sleeved with the same belt (9).

3. The metering calibration device for the digital scale according to claim 1, wherein the driving assembly comprises a second motor (10) fixedly connected to the top of the sliding plate (14), a first gear (11) is fixedly sleeved on an output shaft of the second motor (10), a second gear (12) is fixedly sleeved on the outer wall of the rotating shaft (13), and the first gear (11) is meshed with the second gear (12).

4. The metering calibration device for the digital indicating scale according to claim 1, the limiting component comprises a U-shaped plate (20) fixedly connected with the top of the base (1), a plurality of springs (25) are fixedly connected with the inner wall of one side of the U-shaped plate (20), one end of each spring (25) is connected with the same pressing plate (15), the bottom of the pressure plate (15) is connected with the top of the base (1) in a sliding way, one side of the pressure plate (15) is contacted with one side of the digital indicator (19), the top of the base (1) is fixedly connected with a fixed block (22), the fixed block (22) is in threaded connection with a second threaded rod (23), one end of the second threaded rod (23) is rotatably connected with a push plate (21), the push plate (21) is contacted with the top of the base (1), one side of the push plate (21) is contacted with one side of the digital indicator (19).

5. The metering calibration device for the digital indicating scale as claimed in claim 4, wherein a hand wheel (24) is fixedly connected to one end of the second threaded rod (23), and an anti-skid sleeve is sleeved on the outer wall of the hand wheel (24).

6. A metrological calibration device as claimed in claim 1, characterised in that the weights (18) are of different weight.