CN210089841U

CN210089841U - Weight metrological verification device

Info

Publication number: CN210089841U
Application number: CN201921425023.1U
Authority: CN
Inventors: 饶正梁; 李强; 朱傅长; 李海群
Original assignee: Zhejiang Fangyi Calibration And Testing Technology Co Ltd
Current assignee: Zhejiang Fangyi Calibration And Testing Technology Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-02-18
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a weight metrological verification device mainly relates to metrological verification device field. Including the support, one side of support is equipped with the passway, be equipped with the motor on the support, be fixed with the screw rod on the output shaft of motor, be equipped with the slide bar on the support, screw rod and slide bar parallel arrangement, sliding connection has the slider on the slide bar, slider and screw rod threaded connection, the bottom of slider is equipped with the fixing base, be equipped with the telescopic link on the fixing base, the articulated arm lock that has of expansion end symmetry of telescopic link, the middle part region of two arm lock all articulates with the fixing base, the one end that the telescopic link was kept away from to the arm lock is equipped with the chuck, the below of support is equipped with the conveyer belt, the direction of motion of drive belt is perpendicular with. The beneficial effects of the utility model reside in that: the weight moving device can ensure the stability of the weight moving in the weight moving process, cannot damage the weight, and improves the accuracy of verification.

Description

Weight metrological verification device

Technical Field

The utility model relates to a metrological verification field specifically is a weight metrological verification device.

Background

In modern mass metering, the weight is the standard gauge for mass-to-quantity transfer. The mass value is based on a platinum-iridium alloy kilogram original device material object stored in the French International Bureau of measurement as a unique reference device. The weight is divided into national kilogram standard, national kilogram auxiliary standard, kilogram working standard in all countries, and work standard group and each equal work standard weight that constitute by the times and the weight of kilogram, ordinary weight is in the use, because the influence of operations such as save and use, can make the quality of weight change, and then lead to weight measurement inaccurate, consequently need regularly carry out the verification operation to the weight, in order to guarantee that the weight can be under appointed benchmark normal accurate use, current calibrating installation, generally use manual verification, the inefficiency, waste time and energy, also there is the device to this improvement, but these modified devices are to the fixed unstable of weight when removing the weight, make the weight rock or damage weight easily, lead to producing extra influence to the appraisal of weight, finally influence the accuracy of weight quality verification.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a weight metrological verification device, it can be at the stability of the in-process assurance weight removal of removing the weight, can not cause the damage to the weight, improves the accuracy of examining and determine.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

the utility model provides a weight metrological verification device, includes the support, one side of support is equipped with the passway, be equipped with the motor on the support, be fixed with the screw rod on the output shaft of motor, be equipped with the slide bar on the support, screw rod and slide bar parallel arrangement, sliding connection has the slider on the slide bar, slider and screw rod threaded connection, the bottom of slider is equipped with the fixing base, be equipped with the telescopic link on the fixing base, the articulated arm lock that has of expansion end symmetry of telescopic link, two the middle part region of arm lock all articulates with the fixing base, the one end that the telescopic link was kept away from to the arm lock is equipped with the chuck, the below of support is equipped with the conveyer belt, the direction of motion of drive belt is perpendicular with the direction of motion of telescopic link, be equipped with the weight.

Furthermore, the fixing base is detachably connected with the sliding block, a limiting column is arranged on the fixing base, and the limiting column is matched with the sliding block for use.

Furthermore, the clamping arm is arc-shaped, and the chuck is semicircular.

Further, the fixing base is the type of falling U, fixing base sliding connection is on the slider, be fixed with the lifter along direction of height on the slider, the expansion end and the fixing base fixed connection of lifter bottom.

Furthermore, be equipped with infrared transceiver on the support, infrared transceiver's the direction of setting is perpendicular with the direction of motion of conveyer belt, infrared transceiver and motor, telescopic link signal connection.

Contrast prior art, the beneficial effects of the utility model reside in that:

the utility model discloses the flexible arm lock that drives that utilizes the telescopic link rotates around the articulated department at middle part, the tip of arm lock sets up the chuck, thereby make two chucks do the action of being close to or keeping away from when the telescopic link is flexible, thereby press from both sides the weight tightly or loosen, control the telescopic link shrink when needs remove the weight, make two chucks be close to, thereby press from both sides the weight tightly, under the drive of motor, press from both sides from the conveyer belt with it and get the back and place on the examination platform, remove the in-process and can not cause the damage to the weight, the cooperation of two chucks can be more firm with the weight centre gripping, press from both sides and put down more convenience, thereby guarantee that the weight removes the integrality of in-process, reduce because the influence that.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a schematic structural diagram of the lifting rod of the present invention.

Reference numerals shown in the drawings:

1. a support; 2. a passage port; 3. a motor; 4. a screw; 5. a slide bar; 6. a slider; 7. a fixed seat; 8. A telescopic rod; 9. clamping arms; 10. a chuck; 11. a conveyor belt; 12. a weight; 13. a verification platform; 14. a limiting column; 15. a lifting rod.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

The utility model relates to a weight 12 metrological verification device, the major structure includes support 1, support 1 is through welding or bolt fastening subaerial, support 1 is H type or rectangle, one side of support 1 is equipped with passway 2, passway 2 is the passageway that the weight removed, be equipped with motor 3 on the support 1, the horizontal bolt fastening of motor 3 is in the inboard of support 1, welded fastening has screw rod 4 on the output shaft of motor 3, the other end of screw rod 4 rotates the other end of connecting in support 1, be equipped with slide bar 5 on the support 1, screw rod 4 and slide bar 5 parallel arrangement, sliding connection has slider 6 on slide bar 5, slider 6 and screw rod 4 threaded connection, when motor 3 rotated, drive slider 6 rather than threaded connection and slide along the direction of slide bar 5 to realize the horizontal linear motion of slider 6, the bottom of the sliding block 6 is provided with a fixed seat 7, the fixed seat 7 and the sliding block 6 are detachably connected or slidably connected, so that the height of the fixed seat 7 can be conveniently adjusted, the fixed seat 7 is provided with a telescopic rod 8, the telescopic rod 8 is horizontally welded and fixed on the inner side of the fixed seat 7, the movable end of the telescopic rod 8 is symmetrically hinged with clamping arms 9, preferably, the movable end of the telescopic rod 8 is welded and fixed with a fixed plate, the two clamping arms 9 are symmetrically hinged and connected on two sides of the fixed plate, the clamping arms 9 are arc-shaped or linear, the middle areas of the two clamping arms 9 are both hinged with the fixed seat 7, so that when the telescopic rod 8 is in telescopic motion, the two clamping arms 9 can be driven to rotate around the hinged part in the middle, so that one ends of the two clamping arms 9, far away from the telescopic rod 8, are close to or far away, the clamping arms 9 are provided with clamping heads 10 at one ends far away from the telescopic rod 8, preferably, the inner sides of the clamping heads 10 are provided with buffer layers made of sponge or rubber materials to prevent objects to be clamped from being scratched in the clamping process, the two clamping heads 10 are arc-shaped or semicircular, and the two clamping heads 10 are matched with each other to form a clamping structure;

the conveyor belt is driven by a driving device, the type of the driving device is not limited, and the conveyor belt can be driven by the existing driving device, the moving direction of the conveyor belt is perpendicular to that of the telescopic rod 8, a weight 12 is arranged on the conveyor belt 11, the moving direction of the conveyor belt 11 is crossed with that of the telescopic rod 8, when a weight 12 passes through the lower part of the support 1, the telescopic rod 8 stretches, two chucks 10 are close to clamp the weight 12, then the slider 6 and the weight 12 are driven by the motor 3 to move, the weight 12 is moved to the support 1 through the passage opening 2, the chucks 10 are matched with the weight 12 for use, preferably, the weight 12 comprises a main body and a head part, the head part is positioned above the main body, a connecting rod is arranged between the main body and the head part, and the diameter of the connecting rod is smaller than that of the main body and the head part, form sunkenly between main part and head, the position of 10 centre gripping connecting rods of chuck can make the centre gripping more stable, is difficult for rocking, the outside of passway 2 is equipped with examination platform 13, and slider 6 carries weight 12 and reachs the position of examining and determine platform 13 behind passway 2, then 8 extensions of telescopic link make two chucks 10 separate, loosen weight 12, place weight 12 and examine and determine on examining platform 13, improved the efficiency of examining and determine greatly, improve the degree of accuracy of examining and determine.

Preferably, fixing base 7 can be dismantled with slider 6 and be connected, preferably, the middle part of fixing base 7 sets up the spout, 6 sliding connection of slider is in the spout, be equipped with spacing post 14 on the fixing base 7, spacing post 14 cooperation slider 6 uses, spacing

post

14 and 7 threaded connection of fixing base, spacing post 14 runs through behind the fixing base 7 and contacts with slider 6, through screwing up or unscrewing spacing post 14, can fix a position slider 6, and then adjusts fixing base 7 for the height of slider 6 to the use of the different weights 12 of cooperation.

Preferably, arm lock 9 is the arc, and the arc arm lock 9 pivoted range is littleer just can realize being close to and separating of two chucks 10, chuck 10 is semi-circular, and the circular scope that two chucks 10 enclose can be laminated with weight 12 better, guarantees to remove in-process weight 12 and can not make a round trip rock, further improves stability.

Preferably, the fixing base 7 is of an inverted U shape, the fixing base 7 is slidably connected to the slider 6, preferably, a slide rail is arranged on one side of the fixing base 7, the slider 6 is slidably connected to the slide rail, a lifting rod 15 is fixed to the slider 6 along the height direction, the lifting rod 15 adopts an existing hydraulic lifting or electric lifting structure, the movable end of the bottom of the lifting rod 15 is fixedly connected with the fixing base 7, the height of the fixing base 7 relative to the slider 6 can be adjusted through the lifting of the lifting rod 15, the fixing base 7 descends when the weight 12 is clamped, so that the chuck 10 is aligned with the position of the weight 12, the fixing base 7 is driven to ascend after being clamped, the weight 12 leaves the conveyor belt 11, the weight 12 is conveniently moved to the conveyor belt 12, the fixing base 7 is driven to descend after being moved to the upper side of the verification platform 13, the weight 12 is put down on the verification platform 13, and the arrangement can avoid the translational contact with the conveyor belt 11 and the, the weight 12 is prevented from being damaged in the moving process, and the verification accuracy is ensured.

Preferably, the bracket 1 is provided with an infrared transceiver, the infrared transceiver is arranged on one side opposite to the passage opening 2, the setting direction of the infrared transceiver is perpendicular to the movement direction of the conveyor belt 11, the infrared transceiver is in signal connection with the motor 3 and the telescopic rod 8, when a weight 12 passes through, a signal transmitted by the infrared transceiver is reflected back to receive feedback after being blocked, the driving device of the conveyor belt 11 is controlled to stop, the motor 3 and the telescopic rod 8 are controlled to perform corresponding actions to clamp and move the weight 12, the weight 12 is not blocked after the movement is finished, the infrared transceiver cannot receive signal feedback, the conveyor belt 11 is controlled to continue to move until the next weight 12 arrives, the movement of the weight 12 can be automatically realized by repeating the above process, and the control mode can be controlled by using a very mature PLC in the prior art, the efficiency of verification can be further improved.

The working principle is as follows: the utility model discloses when examining, conveyer belt 11 drives weight 12 on it and removes, when weight 12 moves the below of support 1, telescopic link 8 carries out the shrink motion, and control arm lock 9 rotates around the articulated department at middle part, makes two chucks 10 be close to each other and carries out the centre gripping to weight 12, then motor 3 starts, slider 6 moves along slide bar 5, reachs behind the crossing 2 on examining and testing platform 13, telescopic link 8 extends, makes two chuck 10 separation, puts weight 12 on examining and testing platform 13, realizes weight 12's quick travel, and the in-process can not produce the damage to weight 12, has guaranteed weight 12's integrality when improving examination efficiency, and practicality in the in-service use process is very strong.

Claims

1. The utility model provides a weight (12) metrological verification device which characterized in that: comprises a bracket (1), one side of the bracket (1) is provided with a passage opening (2), the bracket (1) is provided with a motor (3), an output shaft of the motor (3) is fixedly provided with a screw rod (4), the bracket (1) is provided with a slide rod (5), the screw rod (4) and the slide rod (5) are arranged in parallel, the slide rod (5) is provided with a slide block (6) in a sliding way, the slide block (6) is in threaded connection with the screw rod (4), the bottom of the slide block (6) is provided with a fixing seat (7), the fixing seat (7) is provided with a telescopic rod (8), the movable end of the telescopic rod (8) is symmetrically hinged with clamping arms (9), the middle areas of the two clamping arms (9) are hinged with the fixing seat (7), one end of the clamping arm (9) far away from the telescopic rod (8) is provided with a clamping head (10), the moving direction of conveyer belt is perpendicular with the moving direction of telescopic link (8), be equipped with weight (12) on conveyer belt (11), chuck (10) cooperation weight (12) use, the outside of passway (2) is equipped with examination platform (13).

2. The weight (12) metrological verification device as claimed in claim 1, characterized in that: the fixing seat (7) is detachably connected with the sliding block (6), a limiting column (14) is arranged on the fixing seat (7), and the limiting column (14) is matched with the sliding block (6) for use.

3. The weight (12) metrological verification device as claimed in claim 1, characterized in that: the clamping arm (9) is arc-shaped, and the chuck (10) is semicircular.

4. The weight (12) metrological verification device as claimed in claim 1, characterized in that: fixing base (7) are the type of falling U, fixing base (7) sliding connection is on slider (6), be fixed with lifter (15) along the direction of height on slider (6), the expansion end and fixing base (7) fixed connection of lifter (15) bottom.

5. The weight (12) metrological verification device as claimed in claim 1, characterized in that: the conveyor is characterized in that an infrared transceiver is arranged on the support (1), the setting direction of the infrared transceiver is perpendicular to the movement direction of the conveyor belt (11), and the infrared transceiver is in signal connection with the motor (3) and the telescopic rod (8).