CN214538227U

CN214538227U - Automatic calibrating installation of electronic balance

Info

Publication number: CN214538227U
Application number: CN202120797035.8U
Authority: CN
Inventors: 李昌江; 邢卫星
Original assignee: Nanjing Test Technology Co ltd
Current assignee: Nanjing Test Technology Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-10-29
Anticipated expiration: 2031-04-19

Abstract

The utility model belongs to the technical field of the balance verification technique and specifically relates to an automatic calibrating installation of electronic balance to among the prior art balance examination intensity of labour is high, the problem that the verification error is big, now proposes following scheme, and it includes the shell, the operation mouth has been seted up to positive one side outside of shell, the outside of operation mouth articulates there is the operation door, the inboard bottom of shell is rotated and is installed and place the board, the top of placing the board has evenly been seted up the multiunit and has been placed the mouth, the multiunit the weight has all been placed to the inside of placing the mouth, the multiunit tooth's socket has evenly been seted up to the outer wall of placing the board. The utility model discloses rational in infrastructure, stable in structure, easy operation has not only realized carrying out automatic examination to the balance, the effectual intensity of labour who reduces operating personnel, still the effectual examination error that has reduceed, easily uses widely.

Description

Automatic calibrating installation of electronic balance

Technical Field

The utility model relates to a balance examination field especially relates to an automatic calibrating installation of electronic balance.

Background

The electronic balance is a balance for balancing the weight of the object to be weighed by electromagnetic force. The electronic balance is characterized by accurate and reliable weighing, rapid and clear display, automatic detection system, automatic calibration, overload protection and other devices, is widely applied to the fields of trade, environmental protection, biology, chemistry, medical treatment and the like, and needs to be calibrated at intervals in order to ensure the weighing accuracy of the balance.

Balance verification in the prior art is basically completed by manual operation, namely, an electronic balance checker clamps corresponding weights according to electronic balance verification rules by using tweezers, verifies indication errors, repeatability errors and unbalance loading errors of the electronic balance, but the electronic balance is an instrument with large measurement range, and a manual verification mode brings large workload for workers.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic calibrating installation of electronic balance has solved among the prior art problem that the balance examination intensity of labour is high, the examination error is big.

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

an automatic calibrating device of an electronic balance comprises a shell, wherein an operation opening is formed in the outer portion of one side of the front face of the shell, an operation door is hinged to the outer portion of the operation opening, a placing plate is rotatably mounted at the bottom of the inner side of the shell, a plurality of groups of placing openings are uniformly formed in the top of the placing plate, weights are placed in the plurality of groups of placing openings, a plurality of groups of tooth grooves are uniformly formed in the outer wall of the placing plate, a top ring is fixedly connected to the inner side wall of the shell and located at the top of the placing plate, gears are rotatably mounted at the bottom of the top ring and are mutually meshed with the tooth grooves in the outer portion of the placing plate, a driving motor for driving the gears is fixedly connected to the top of the top ring, a through hole is formed in the center of the top of the placing plate and penetrates through the shell to extend to the bottom of the shell, a first sliding groove is formed in the top of the shell and is arranged along the length direction of the shell, the utility model discloses a quick-witted weight balance, including shell, first spout, bottom rigid coupling, the inside slidable mounting of first spout has first slider, the bottom of first slider extends to the outside of first spout, the bottom rigid coupling of first slider has first telescopic link, the output rigid coupling of first telescopic link has the bottom plate, the internally mounted of bottom plate has the electro-magnet, the bottom plate is located the weight directly over, the inboard top rigid coupling of shell has the second telescopic link, the second telescopic link is parallel to each other with first spout, the output of second telescopic link and the outside top rigid coupling of first telescopic link, the controller is installed at the top of shell, the bottom rigid coupling of shell has the wind cap.

Preferably, the windshield is made of transparent materials, a sealing gasket is fixedly connected to the bottom of the windshield, and the sealing gasket is made of rubber materials.

Preferably, place the board and be circular structure, the multiunit place the mouth and use the through-hole to distribute as centre of a circle equidistance, the multiunit the weight is placed the mouth with the multiunit respectively and is coincide each other.

Preferably, a second sliding groove is formed in the bottom of the inner side of the shell and is of an annular structure, a plurality of groups of second sliding blocks are slidably mounted inside the second sliding groove, and the tops of the plurality of groups of second sliding blocks extend to the tops of the second sliding grooves and are fixedly connected with the bottom of the placing plate.

Preferably, the bottom of bottom plate is rigid coupling has the blotter, the blotter is made for rubber materials.

Preferably, an L plate is rotatably mounted on the outer side wall of the housing, and the L plate is matched with the operating door.

The utility model has the advantages that:

1. through driving motor, gear, place board, first spout, first telescopic link, second telescopic link, electro-magnet etc. and mutually support, realize using different weights to examine and determine the balance, avoided operating personnel's repetitive operation, alleviateed operating personnel's intensity of labour.

2. Through mutually supporting of windshield, sealed pad etc. keep apart the protection to the balance, prevent that the air that external environment flows from causing the influence to the examination operation, reduce the examination error, the automatic completion of verification process has simultaneously avoided the different examination errors that cause of different operating personnel operation custom.

The utility model discloses rational in infrastructure, stable in structure, easy operation has not only realized carrying out automatic examination to the balance, the effectual intensity of labour who reduces operating personnel, still the effectual examination error that has reduceed, easily uses widely.

Drawings

Fig. 1 is a left side sectional view of the present invention.

Fig. 2 is an enlarged view of a point a of the present invention.

Fig. 3 is an enlarged view of the point B of the present invention.

Fig. 4 is a top cross-sectional view of the present invention.

Reference numbers in the figures: 1. a housing; 2. placing the plate; 3. a tooth socket; 4. a top ring; 5. a gear; 6. a drive motor; 7. a placement port; 8. a weight; 9. an operation port; 10. an operating door; 11. a controller; 12. a first chute; 13. a first slider; 14. a first telescopic rod; 15. a base plate; 16. an electromagnet; 17. a cushion pad; 18. a second telescopic rod; 19. a through hole; 20. a windshield; 21. a gasket; 22. a second chute; 23. a second slider; 24. and (7) an L plate.

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.

Referring to fig. 1-4, an automatic calibrating apparatus for an electronic balance comprises a housing 1, a controller 11 is installed on the top of the housing 1, the controller 11 is a PLC controller, an operation port 9 is formed in the outer portion of one side of the front surface of the housing 1, an operation door 10 is hinged to the outer portion of the operation port 9, an L plate 24 is rotatably installed on the outer side wall of the housing 1, the L plate 24 is matched with the operation door 10, the L plate 24 is rotated to facilitate opening of the operation door 10, maintenance of equipment inside the housing 1 is facilitated through the operation port 9, a second chute 22 is formed in the bottom of the inner side of the housing 1, the second chute 22 is of an annular structure, a plurality of groups of second sliders 23 are slidably installed inside the second chute 22, the tops of the plurality of groups of second sliders 23 all extend to the tops of the second chutes 22, a placing plate 2 is fixedly connected to the tops of the plurality of second sliders 23, a plurality of placing ports 7 are uniformly formed in the top of the placing plate 2, the multiunit is placed the inside of mouthful 7 and has all been placed weight 8, place board 2 and be circular structure, the multiunit is placed mouthful 7 and is used through-hole 19 to distribute as centre of a circle equidistance, multiunit weight 8 is placed mouthful 7 with the multiunit respectively and coincide each other, the outer wall of placing board 2 has evenly seted up multiunit tooth's socket 3, the inside lateral wall rigid coupling of shell 1 has top ring 4, top ring 4 is located the top of placing board 2, gear 5 is installed in the bottom rotation of top ring 4, gear 5 and the 3 intermeshing of the tooth's socket of placing board 2 outside, top ring 4's top rigid coupling has driving motor 6 that is used for drive gear 5, multiunit weight 8's size differs, driving motor 6 drives gear 5 and rotates, and then make and place board 2 and rotate in the bottom of shell 1, conveniently select the weight 8 of different weights to examine and determine the balance according to the balance of different ranges, the effectual balance that has enlarged the device is application scope.

The center of the top of the placing plate 2 is provided with a through hole 19, the through hole 19 penetrates through the shell 1 and extends to the bottom of the shell 1, the top of the shell 1 is provided with a first sliding groove 12, the first sliding groove 12 is arranged along the length direction of the shell 1, a first sliding block 13 is slidably mounted inside the first sliding groove 12, the bottom of the first sliding block 13 extends to the outside of the first sliding groove 12, the bottom of the first sliding block 13 is fixedly connected with a first telescopic rod 14, the output end of the first telescopic rod 14 is fixedly connected with a bottom plate 15, an electromagnet 16 is mounted inside the bottom plate 15, the bottom of the bottom plate 15 is fixedly connected with a buffer cushion 17, the buffer cushion 17 is used for preventing the weight 8 from being in rigid contact with the bottom plate 15 and causing damage to the weight 8 and influencing the verification result, the buffer cushion 17 is made of rubber material, the bottom plate 15 is positioned right above the weight 8, the top of the inner side of the shell 1 is fixedly connected with a second telescopic rod 18, and the second telescopic rod 18 is parallel to the first sliding groove 12, the output end of the second telescopic rod 18 is fixedly connected with the top of the outer side of the first telescopic rod 14, the first telescopic rod 14 extends to enable the bottom of the buffer cushion 17 to be attached to the top of the weight 8, the electromagnet 16 is electrified to attract the weight 8 to the bottom of the bottom plate 15 through magnetic attraction, then the first telescopic rod 14 contracts to lift the weight 8 to the top of the placing port 7, the second telescopic rod 18 extends to push the bottom plate 15 to the position right above the through hole 19 along the direction of the first sliding groove 12, then the first telescopic rod 14 extends to enable the bottom plate 15 to penetrate through the through hole 19 and extend to the bottom of the shell 1, the weight 8 attracted to the bottom plate 15 is placed on a weighing plate of the balance, the electromagnet 16 is powered off, the first telescopic rod 14 contracts to verify the balance, the bottom of the shell 1 is fixedly connected with a windproof cover 20, the windproof cover 20 is made of transparent material, the bottom of the windproof cover 20 is fixedly connected with a sealing gasket 21, and the sealing gasket 21 is made of rubber material, the draft shield 20 is located on the top of the outside of the balance pan to prevent external flowing air from affecting the calibration results and causing calibration errors.

The working principle is as follows: when the balance is checked, the sealing gasket 21 at the bottom of the windshield 20 is attached to the top of the balance, a weighing disc of the balance is surrounded inside the windshield 20 to prevent air flowing in the environment from influencing a checking result to cause a checking error, then a power supply of equipment is connected, a checking program is input on the controller 11 according to a checking requirement of the balance, then the driving motor 6 drives the placing plate 2 to rotate, a weight 8 required by the verification of the placing plate 2 moves to be right below the bottom plate 15, then the first telescopic rod 14 extends to enable the bottom of the buffer cushion 17 to be attached to the top of the weight 8, the electromagnet 16 is electrified to attract the weight 8 to be adsorbed at the bottom of the bottom plate 15 through magnetic attraction, then the first telescopic rod 14 contracts to lift the weight 8 to be at the top of the placing port 7, the second telescopic rod 18 extends to push the bottom plate 15 to be right above the through hole 19 along the direction of the first sliding chute 12, then the first telescopic rod 14 is extended, the bottom plate 15 penetrates through the through hole 19 and extends to the bottom of the shell 1, the weight 8 adsorbed below the bottom plate 15 is placed on a weighing disc of the balance, the electromagnet 16 is powered off, the first telescopic rod 14 is retracted to perform verification on the balance, after the verification of the weight 8 is completed, the first telescopic rod 14 is extended to enable the bottom of a cushion pad 17 at the bottom of the bottom plate 15 to be attached to the top of the weight 8, the electromagnet 16 is powered on to magnetically adsorb the weight 8 at the bottom of the bottom plate 15, the first telescopic rod 14 is retracted, the weight 8 moves to the inside of the shell 1, then the second telescopic rod 18 is retracted to move the weight 8 to the top of the placing port 7, then the first telescopic rod 14 is extended to place the weight 8 in the inside of the placing port 7, the electromagnet 16 is powered off, the first telescopic rod 14 is retracted, the verification of the balance is completed, the balance is verified by driving the driving motor 6 to drive the placing plate 2 to rotate other weights 8 and repeat the operation according to the verification program, until the verification is completed, after the verification is completed, the verification device is taken down, the verification is performed on other balances, the L plate 24 is rotated, the operation door 10 is opened, the weight 8 in the shell 1 can be conveniently taken, and the equipment can be conveniently maintained and cleaned.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The automatic calibrating device of the electronic balance comprises a shell (1) and is characterized in that an operation opening (9) is formed in the outer portion of one side of the front face of the shell (1), an operation door (10) is hinged to the outer portion of the operation opening (9), a placing plate (2) is rotatably mounted at the bottom of the inner side of the shell (1), a plurality of groups of placing openings (7) are uniformly formed in the top of the placing plate (2), weights (8) are uniformly placed in the groups of placing openings (7), a plurality of groups of tooth sockets (3) are uniformly formed in the outer wall of the placing plate (2), a top ring (4) is fixedly connected to the inner side wall of the shell (1), the top ring (4) is located at the top of the placing plate (2), a gear (5) is rotatably mounted at the bottom of the top ring (4), and the gear (5) and the tooth sockets (3) outside the placing plate (2) are meshed with each other, the top rigid coupling of top ring (4) has driving motor (6) that is used for drive gear (5), place the top center of board (2) and seted up through-hole (19), through-hole (19) run through shell (1) and extend to the bottom of shell (1), first spout (12) have been seted up at the top of shell (1), the length direction setting of shell (1) is followed in first spout (12), the inside slidable mounting of first spout (12) has first slider (13), the bottom of first slider (13) extends to the outside of first spout (12), the bottom rigid coupling of first slider (13) has first telescopic link (14), the output rigid coupling of first telescopic link (14) has bottom plate (15), the internally mounted of bottom plate (15) has electro-magnet (16), bottom plate (15) are located weight (8) directly over, the inboard top rigid coupling of shell (1) has second telescopic link (18), second telescopic link (18) and first spout (12) are parallel to each other, the output of second telescopic link (18) and the outside top rigid coupling of first telescopic link (14), controller (11) are installed at the top of shell (1), the bottom rigid coupling of shell (1) has windshield (20).

2. The automatic calibrating device for the electronic balance is characterized in that the windshield (20) is made of transparent materials, a sealing gasket (21) is fixedly connected to the bottom of the windshield (20), and the sealing gasket (21) is made of rubber materials.

3. The automatic calibrating device for the electronic balance according to claim 1, wherein the placing plate (2) has a circular structure, the plurality of groups of placing ports (7) are equidistantly distributed by taking the through hole (19) as a circle center, and the plurality of groups of weights (8) are respectively matched with the plurality of groups of placing ports (7).

4. The automatic calibrating device for the electronic balance according to claim 1, wherein a second chute (22) is formed in the bottom of the inner side of the housing (1), the second chute (22) is of an annular structure, a plurality of groups of second sliding blocks (23) are slidably mounted in the second chute (22), and the tops of the plurality of groups of second sliding blocks (23) extend to the tops of the second chute (22) and are fixedly connected with the bottom of the placing plate (2).

5. The automatic calibrating device for the electronic balance is characterized in that a cushion pad (17) is fixedly connected to the bottom of the bottom plate (15), and the cushion pad (17) is made of rubber materials.

6. The automatic calibrating device for the electronic balance is characterized in that an L plate (24) is rotatably arranged on the outer side wall of the housing (1), and the L plate (24) is matched with the operating door (10).