CN209979057U

CN209979057U - Testing device for weighing consistency of computer multi-head scale driving part

Info

Publication number: CN209979057U
Application number: CN201920812478.2U
Authority: CN
Inventors: 潘学宁; 李慧斌
Original assignee: Shanghai Ishida Electronic Scales Ltd
Current assignee: Shanghai Ishida Electronic Scales Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-01-21
Anticipated expiration: 2029-05-31

Abstract

The utility model relates to a verifying attachment of uniformity is weighed to computer bull balance drive division for the structure of weighing in the drive division is examined, the structure of weighing includes weighing sensor and the couple that links to each other with weighing sensor, verifying attachment includes following part: the fixing frame is used for installing the driving part and comprises a bottom plate, a positioning cross beam parallel to the bottom plate and a fastening structure, wherein the fastening structure fixes the driving part on the fixing frame, and the driving part is supported on the positioning cross beam; the simulated scale comprises a hanging part and a carrying flat plate, wherein the hanging part is used for being hung on the hook, and the carrying flat plate is used for placing a weighing object; the measuring mechanism comprises an A/D conversion plate, a processing main board connected with the A/D conversion plate, and a display connected with the processing main board, wherein the A/D conversion plate is used for being connected with the weighing sensor. The utility model discloses an inspection device, simple structure, it is swift convenient to use, job stabilization is reliable, and work efficiency is high.

Description

Testing device for weighing consistency of computer multi-head scale driving part

Technical Field

The utility model relates to a computer bull balance field, concretely relates to inspection device of uniformity is weighed to computer bull balance drive division.

Background

The drive division is as the main constitutional unit of computer bull balance, and the structure of drive division refers to as shown in figure 1, and drive division 1 has the structure of weighing, including couple 12 and weighing sensor 11, and weighing sensor 11 is connected with couple 12, hangs weighing hopper 2 during the use on couple 12, and the structure of weighing hopper 2 refers to as shown in figure 2, and weighing hopper 2 goes out its information transmission that weighs through weighing sensor 11 to this completion is weighed. The quality requirements for the driving part 1 include that when the object to be weighed is at different positions of the weighing hopper 2, especially at an off-angle position, the weighing value obtained by the weighing sensor 11 needs to be within a required range, therefore, for the completely assembled driving part 1, the weighing sensor 11 of the weighing structure in the driving part 1 must be adjusted in four angles to meet the requirement of weighing consistency (that is, the weighing value obtained by the weighing sensor 11 when the same weighing object is at different positions of the weighing hopper 2 is within a standard range), and the driving part can be installed in a multi-head computer scale machine only after meeting the requirement.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcoming of prior art, the to-be-solved technical problem of the utility model is to provide a simple structure's computer bull balance drive division weighs verifying attachment of uniformity, can weigh the uniformity inspection before the drive division installation, convenient to use is swift, reliable and stable.

In order to achieve the above object, the utility model provides a verifying attachment of uniformity is weighed to computer bull balance drive division for the structure of weighing in the drive division is examined, the structure of weighing includes weighing sensor and the couple that links to each other with weighing sensor, verifying attachment includes following part: the fixing frame is used for installing the driving part and comprises a bottom plate, a positioning cross beam parallel to the bottom plate and a fastening structure, wherein the fastening structure fixes the driving part on the fixing frame, and the driving part is supported on the positioning cross beam; the simulated scale comprises a hanging part and a carrying flat plate, wherein the hanging part is used for being hung on the hook, and the carrying flat plate is used for placing a weighing object; the measuring mechanism comprises an A/D conversion plate, a processing main board connected with the A/D conversion plate, and a display connected with the processing main board, wherein the A/D conversion plate is used for being connected with the weighing sensor.

Furthermore, the two hooks on the driving part are arranged in parallel relatively, the hanging part of the simulation scale comprises a hanging rod parallel to the objective plate, and the hanging rod is used for being hung in the two hooks.

Further, the weight scale also comprises a standard weight for placing on a carrying flat plate of the simulated scale pan

Further, the fixing frame comprises a mounting plane perpendicular to the base plate, the positioning beam is located on the mounting plane, and the fastening structure comprises a support portion fixedly mounted on the mounting plane and a pressing rod rotatably mounted on the support portion, the pressing rod being rotatable to press the driving portion against the mounting plane.

Furthermore, the fixed frame comprises a vertical beam perpendicular to the bottom plate, the lower end of the vertical beam is fixedly connected with the bottom plate, and the positioning cross beam is fixed on the vertical beam.

Furthermore, the measuring mechanism also comprises a wiring terminal, and the A/D conversion plate is connected with the weighing sensor through the wiring terminal.

Furthermore, the measuring mechanism also comprises a power panel connected with the processing main board, and the power panel is used for converting the accessed 220V alternating current into direct current.

As described above, the inspection apparatus according to the present invention has the following advantageous effects:

through setting up fixed frame, simulation pan of steelyard and measuring mechanism, come the fixed mounting drive division through fixed frame, couple on the drive division is in horizontal operating condition when guaranteeing the inspection, bear the title heavy object through the simulation pan of steelyard to and measuring mechanism obtains weighing sensor's weighing value, carry out contrastive analysis, the weighing uniformity of inspection drive division, because the dull and stereotyped relative weighing hopper of year of simulation pan of steelyard can have great area, the testing result is more accurate. The utility model discloses an inspection device, simple structure, it is swift convenient to use, can guarantee the accuracy of inspection result, job stabilization is reliable, can be before the installation of drive division quick accurate inspection drive division the weighing uniformity, in time adjust, work efficiency is high, has guaranteed production quality.

Drawings

Fig. 1 is a schematic structural diagram of a driving part in a computer multi-head scale.

FIG. 2 is a schematic view of a weighing hopper in a computerized multi-head scale.

Fig. 3 is a schematic structural diagram of the fixing frame of the present invention.

Fig. 4 is a schematic view of the driving part when it is mounted on the fixed frame.

Fig. 5 is a schematic view of the drive part from another perspective when mounted on the fixed frame.

Fig. 6 is a schematic structural diagram of a simulated scale pan of the present invention.

Fig. 7 is a schematic structural diagram of a measuring mechanism according to the present invention.

Description of the element reference numerals

1 drive part

11 weighing sensor

12 hook

2 weighing hopper

3 fixing frame

31 bottom plate

32 fastening structure

Supporting part 321

322 hold down rod

33 mounting plane

34 vertical beam

4 analog scale

41 hanging rod

42 carry flat plate

5A/D conversion board

6 processing mainboard

7 display

8 power supply board (

9 connecting terminal

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the drawings of the present application are only used to match the contents disclosed in the specification, so as to be known and read by those skilled in the art, and not to limit the practical limitations of the present invention, so that the present application does not have any technical significance, and any modification of the structure, change of the ratio relationship, or adjustment of the size should still fall within the scope of the present application without affecting the function and the achievable purpose of the present application. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle", and the like used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be considered as the scope of the present invention without substantial changes in the technical content.

Referring to fig. 1 to 7, the utility model provides a verifying attachment that uniformity was weighed to computer bull balance drive division for to the structure of weighing in the drive division 1 test, the structure of weighing includes weighing sensor 11 and couple 12 that links to each other with weighing sensor 11, and verifying attachment includes following part:

the fixed frame 3 is used for installing the driving part 1 and comprises a bottom plate 31, a positioning cross beam (not shown in the figure) parallel to the bottom plate 31 and a fastening structure 32, wherein the fastening structure 32 fixes the driving part 1 on the fixed frame 3, and the driving part 1 is leaned on the positioning cross beam;

the simulated scale pan 4 comprises a hanging part and a carrying flat plate 42, wherein the hanging part is used for being hung on the hook 12, and the carrying flat plate 42 is used for placing a weighing object;

the measuring mechanism comprises an A/D conversion plate 5, a processing main board 6 connected with the A/D conversion plate 5, and a display 7 connected with the processing main board 6, wherein the A/D conversion plate 5 is used for being connected with a weighing sensor 11.

The utility model discloses an inspection device's basic operating principle as follows: when the driving part 1 normally works in the computer multi-head scale, the hook 12 in the driving part 1 is in a horizontal working state; the fixed frame 3 is fixedly placed at a water surface position through the bottom plate 31, the driving part 1 is installed on the fixed frame 3, the driving part 1 is fixed on the fixed frame 3 through the fastening structure 32, meanwhile, the driving part 1 is leaned on the positioning cross beam, and after the driving part 1 is installed, the hook 12 on the driving part 1 is kept in a horizontal working state through the bottom plate 31 and the positioning cross beam to position the driving part 1; the A/D conversion plate 5 of the measuring mechanism is connected with a weighing sensor 11 on the driving part 1; the hanging part of the simulated scale pan 4 is hung on the hook 12, and the objective plate 42 is in a horizontal state; a weighed object is placed in the middle of the object carrying flat plate 42, the measuring mechanism is started to work, as shown in fig. 7, a weighing signal (the signal is an analog signal) is transmitted to the A/D conversion plate 5 by the weighing sensor 11, the analog signal transmitted by the weighing sensor 11 is converted into a digital signal by the A/D conversion plate 5 and is output to the processing main board 6, and a weighing value is displayed by the display 7 after the processing main board 6 processes the signal, so that a middle weighing value is obtained, and the recording and the observation are convenient; then move the thing of weighing to different positions of carrying the dull and stereotyped 42, especially place and carry the dull and stereotyped 42 all around the department, then obtain the weighing value all around when the thing of weighing is at carrying the dull and stereotyped 42 all around department through measuring mechanism, through weighing value all around with the middle weighing value contrast, judge whether in the scope of requirement, realize the inspection to the weighing uniformity of the drive division 1 of computer bull balance, thereby judge whether the weighing structure of drive division 1 is qualified, and can pass through the measuring result, adjust the weighing structure on the drive division 1, then verify again, until satisfying the requirement of weighing uniformity. The use of the simulated scale pan 4 is convenient for loading the weighing object in the adjusting process, the adjusting time is shortened, and the working efficiency is improved.

The inspection device of the utility model installs the driving part 1 through the fixed frame 3, ensures that the hook 12 on the driving part 1 is in a horizontal working state during inspection, and the state is the same as the state when the hook is installed on a computer multi-head scale to normally work, and ensures the accuracy of the inspection result; carrying out bearing weighing by simulating the scale pan 4, obtaining a weighing value of the weighing sensor 11 by the measuring mechanism, carrying out comparative analysis, and checking the weighing consistency of the driving part 1; since the carrier plate 42 of the analog scale pan 4 can have a larger area relative to the weighing hopper 2, the detection result is more accurate. The utility model discloses an inspection device, simple structure, it is swift convenient to use, can guarantee the accuracy of inspection result, job stabilization is reliable, can install before computer bull balance at drive division 1, independently accurately inspects drive division 1's weighing uniformity fast, in time adjusts, and work efficiency is high, has guaranteed production quality.

As shown in fig. 1 and 4, in the conventional driving portion 1, two hooks 12 are arranged in parallel, and as a preferred design, as shown in fig. 6, the suspension portion of the simulated scale pan 4 includes a suspension rod 41 parallel to the objective plate 42, the suspension portion of the simulated scale pan 4 preferably has the same design as the suspension portion of the original weighing hopper 2, after the driving portion 1 is mounted on the fixed frame 3, the two hooks 12 are in a horizontal working state, the suspension rod 41 is hung in the two hooks 12, and the suspension rod 41 is in a horizontal state, so as to maximally simulate the working condition of the driving portion 1 in actual working through the simulated scale pan 4.

As a preferred design, the testing device further comprises a standard weight for placing on the carrier plate 42 of the simulation scale pan 4, the standard weight is used as a weighing object placed on the simulation scale pan 4 in the testing process, the loading is convenient in the using process, the weighed amount can be adjusted in time, and the weighing accuracy of the weighing structure of the driver can be judged by comparing the weighing value in the display 7 with the weight of the standard weight.

As a preferred design, in the present embodiment, as shown in fig. 3, 4 and 5, the fixing frame 3 includes a mounting plane 33 perpendicular to the bottom plate 31, the positioning beam is located on the mounting plane 33, the fastening structure 32 includes a supporting portion 321 fixedly mounted on the mounting plane 33, and a pressing rod 322 rotatably mounted on the supporting portion 321, and the pressing rod 322 is rotatable to press the driving portion 1 against the mounting plane 33. Specifically, in this embodiment, the fixed frame 3 includes two vertical beams 34 perpendicular to the bottom plate 31 and arranged in parallel, the lower ends of the vertical beams 34 are fixedly connected to the bottom plate 31, the mounting plane 33 is located on one side of the two vertical beams 34, the positioning cross beam is fixed on the vertical beams 34, and the vertical beams 34 play a role in supporting the driving portion 1. The height of the support 321 of the fastening structure 32 relative to the mounting plane 33 is determined in particular by the dimensioning of the drive part 1, ensuring that the pressing bar 322 can be pressed against the surface of the drive part 1. During installation, referring to fig. 3 to 5, the driving portion 1 is pressed against the installation plane 33 and is mounted on the positioning beam, the pressing rod 322 is rotated to be pressed against the driving portion 1, the driving portion 1 is pressed against the installation plane 33, a certain friction fastening force can be provided between the pressing rod 322 and the supporting portion 321, so that the pressing rod 322 can rotate only under a certain pushing force, or the pressing rod 322 and the supporting portion 321 are locked by adopting a corresponding locking structure, and the driving portion 1 is fastened on the fixing frame 3. After the installation is finished, the hook 12 on the driving part 1 is in a horizontal working state.

As a preferable design, in this embodiment, as shown in fig. 7, the measuring mechanism further includes a connection terminal 9, the a/D conversion plate 5 is connected to the load cell 11 through the connection terminal 9, the power supply and output cables of the load cell 11 are connected to the connection terminal 9, and the terminal transmits the signal of the load cell 11 to the a/D conversion plate 5. In this embodiment, the measurement mechanism further includes a power board 8 connected to the main board, and the power board 8 is configured to convert the incoming 220V ac power into dc power and supply power to the processing main board 6 through the power board 8.

From the above, the inspection device in this embodiment, the driving portion 1 is installed through the fixing frame 3, the structure is simple, the installation is convenient, the hook 12 on the driving portion 1 can be ensured to be in the horizontal working state, the accuracy of the inspection result is ensured, the weighing is performed through the simulation scale pan 4 and the standard weight, the measuring mechanism obtains the weighing value of the weighing sensor 11, the comparison analysis is performed, the weighing consistency of the driving portion 1 can be independently, quickly and accurately inspected before the driving portion 1 is installed on the computer multi-head scale, the loading flat plate 42 of the simulation scale pan 4 can have a larger area relative to the weighing hopper 2, the accuracy of the weighing value can be inspected, and the operation is stable and reliable; the weighing structure of the driving part 1 is adjusted in time according to the inspection result, the production quality is guaranteed, weights are conveniently loaded on the simulation scale pan 4, the adjusting time is shortened, and the working efficiency is improved.

To sum up, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A testing device for weighing consistency of a computer multi-head scale driving part is used for testing a weighing structure in the driving part (1), wherein the weighing structure comprises a weighing sensor (11) and a hook (12) connected with the weighing sensor (11), and is characterized by comprising the following components:

the fixing frame (3) is used for installing the driving part (1) and comprises a bottom plate (31), a positioning cross beam parallel to the bottom plate (31) and a fastening structure (32), the fastening structure (32) fixes the driving part (1) on the fixing frame (3), and the driving part (1) is leaned on the positioning cross beam;

the simulated scale pan (4) comprises a hanging part and a carrying flat plate (42), wherein the hanging part is hung on the hook (12), and the carrying flat plate (42) is used for placing a weighing object;

the measuring mechanism comprises an A/D conversion plate (5), a processing main board (6) connected with the A/D conversion plate (5), and a display (7) connected with the processing main board (6), wherein the A/D conversion plate (5) is used for being connected with a weighing sensor (11).

2. The inspection device of claim 1, wherein: the hanging device is characterized in that the two hooks (12) on the driving part (1) are arranged in parallel relatively, the hanging part of the simulation scale pan (4) comprises a hanging rod (41) parallel to the objective plate (42), and the hanging rod (41) is used for being hung in the two hooks (12).

3. The inspection device of claim 1, wherein: also comprises a standard weight which is used for placing on a carrying plate (42) of the simulated scale pan (4).

4. The inspection device of claim 1, wherein: the fixing frame (3) comprises a mounting plane (33) perpendicular to the bottom plate (31), the positioning cross beam is located on the mounting plane (33), the fastening structure (32) comprises a supporting portion (321) fixedly mounted on the mounting plane (33) and a pressing rod (322) rotatably mounted on the supporting portion (321), and the pressing rod (322) can rotate to press the driving portion (1) on the mounting plane (33).

5. The inspection device of claim 1, wherein: the fixed frame (3) comprises a vertical beam (34) perpendicular to the bottom plate (31), the lower end of the vertical beam (34) is fixedly connected with the bottom plate (31), and the positioning cross beam is fixed on the vertical beam (34).

6. The inspection device of claim 1, wherein: the measuring mechanism further comprises a connecting terminal (9), and the A/D conversion plate (5) is connected with the weighing sensor (11) through the connecting terminal (9).

7. The inspection device of claim 1, wherein: the measuring mechanism further comprises a power panel (8) connected with the processing main board (6), and the power panel (8) is used for converting the accessed 220V alternating current into direct current.