CN216646169U - Density detection assembly based on electronic balance - Google Patents
Density detection assembly based on electronic balance Download PDFInfo
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- CN216646169U CN216646169U CN202123286024.2U CN202123286024U CN216646169U CN 216646169 U CN216646169 U CN 216646169U CN 202123286024 U CN202123286024 U CN 202123286024U CN 216646169 U CN216646169 U CN 216646169U
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Abstract
The utility model provides a density detection assembly based on an electronic balance, which comprises a main body and a weighing disc, wherein the density detection assembly comprises a bracket which is erected on the weighing disc and is not in contact with the weighing disc, a water tank is arranged on the bracket, a plurality of support columns are vertically and fixedly arranged on the weighing disc, an upper bracket which is parallel to the weighing disc is arranged at the upper ends of the plurality of support columns, an upper tray is arranged on the upper bracket, a plurality of suspension columns are fixed on the upper bracket, and a lower tray which extends into the water tank is arranged at the lower ends of the plurality of suspension columns. According to the utility model, the density detection assembly is arranged on the upper part of the electronic balance, so that the density detection of the workpiece is directly realized, the detection requirement of the workpiece density is met, the workpiece is not required to be bound by silk threads in the traditional means, the detection time can be effectively saved, the requirement of batch detection on efficiency improvement is met, the working efficiency is improved, the detection cost is saved, the production cost is reduced, the electronic balance can be adjusted according to the mass of the workpiece, and the density detection of workpieces in various mass ranges is realized.
Description
Technical Field
The utility model belongs to the technical field of density detection, and particularly relates to a density detection assembly based on an electronic balance.
Background
Some products produced by some companies, which are required to be applied to military equipment, require 100% density detection of the products, but the number of orders per batch of the products is relatively large, the products are checked one by a conventional method, the efficiency is low, and the production tasks are difficult to complete on schedule.
In the prior art, density detection of a compact sintered metal material is performed according to GB/T3850-2015 'method for measuring density of compact sintered metal material and hard alloy', and a method for detecting density is as follows: weighing the mass m of the product in the air by a balance1Binding the product with a suspension wire, completely immersing the product in liquid, and weighing the mass m of the product in the liquid2. The product density is calculated from the following formula:
Δm＝m1-m2(formula 2)
Wherein: rho-density of the product, unit g/cm3；
ρ1Density of the liquid, the liquid generally being distilled water, in g/cm3；
m1-mass of product in air, in g;
m2-mass of product in liquid, in g;
Δ m — the mass of product in liquid displaced, given in g, by the mass of product in air minus the apparent mass of product in liquid.
Aiming at the above inspection mode, the following problems exist when inspecting the product:
1. the product is immersed in liquid and needs to be bound by a hoisting wire, when the product is bound by the hoisting wire, in order to prevent the product from slipping, a plurality of hoisting wires need to be wound, and the binding is confirmed to be firm, in the precise detection, the single weight of the product is accurate to 0.01g, and the quality of the hoisting wire often influences the accuracy of the detection result;
2. when the product is immersed in liquid, the product is easy to shake in water due to the fact that the product is heavier in weight, the waiting time for the product to be static is longer, meanwhile, the detection of the surrounding environment is quiet, and the vibration environment can cause the display numerical value of the precision electronic balance to be difficult to stabilize;
3. every 1 product that detects needs to tie up the lifting wire and untie the lifting wire, occupies longer supplementary check-out time, influences work efficiency.
Moreover, the client receives the product and then carries out retest, and the retest result has certain difference with the detection result provided by the client, so that an effective method is needed to carry out more accurate measurement, the density detection error is reduced, and the misjudgment of the product quality caused by the detection difference is prevented.
Based on the above considerations, it is necessary to provide an improved method for improving the density detection efficiency, and design and manufacture a new structural assembly for detecting the density of the product, so as to improve the detection efficiency and the accuracy of the detection result.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a density detection assembly based on an electronic balance aiming at the defects of the prior art. This density detection subassembly is through setting up the density detection subassembly on electronic balance upper portion, directly realize the density detection of work piece through electronic balance and density detection subassembly, can satisfy the detection requirement of work piece density, need not to use the silk thread of using of traditional means to bind the work piece, can effectively save check-out time, reach the requirement that detects the raising efficiency in batches, improve work efficiency, save the detection cost, reduction in production cost, and can be according to the quality control electronic balance of work piece, the work piece homoenergetic that has realized multiple mass range carries out the density detection.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a density detection subassembly based on electronic balance, electronic balance includes main part and weighing pan, its characterized in that, the density detection subassembly is including erectting on the weighing pan and not with the bracket of weighing pan contact, install the basin on the bracket, vertical fixation installs a plurality of support columns on the weighing pan, and is a plurality of the upper bracket parallel with the weighing pan is installed to the support column upper end, install the tray on the upper bracket, the upper bracket is fixed with many davits, many the lower tray that stretches into in the basin is installed to the davit lower extreme.
The density detection assembly based on the electronic balance is characterized in that the bracket comprises two vertical columns arranged at the left end and the right end of the main body, and horizontal plates are arranged at the upper ends of the two vertical columns.
The density detection assembly based on the electronic balance is characterized in that the lower tray is net-shaped.
The density detection assembly based on the electronic balance is characterized in that a plurality of spherical nuts are mounted on the lower tray.
The density detection assembly based on the electronic balance is characterized in that the number of the support columns is four, and the four support columns are uniformly distributed on the periphery of the weighing plate.
The density detection assembly based on the electronic balance is characterized in that the number of the hanging columns is four, the upper ends of the hanging columns are uniformly distributed on the lower surface of the upper support, and the lower ends of the hanging columns are uniformly distributed on the peripheral side of the lower tray.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the density detection assembly is arranged at the upper part of the electronic balance, and the density detection of the workpiece is directly realized through the electronic balance and the density detection assembly, so that the detection requirement of the density of the workpiece can be met, the workpiece is not required to be bound by silk threads by using the traditional means, the detection time can be effectively saved, the requirement of batch detection and efficiency improvement can be met, the working efficiency is improved, the detection cost is saved, and the production cost is reduced; the electronic balance is adjusted according to the mass of the workpiece, so that the density detection of workpieces in various mass ranges can be realized.
2. According to verification, the density of the sample is measured by using a high-precision detection balance and the density of the sample is detected by using the density tool assembly designed and manufactured at this time, the measurement error is within an allowable range, the detection result is accurate and reliable, the use is met, the density of the workpiece is detected by using the newly designed density detection tool, the density detection principle is met, GB/T3850-2015 'method for measuring the density of the compact sintered metal material and the hard alloy' is met, the detection time can be effectively saved, the working efficiency is improved, the detection cost is saved, and the production cost is reduced.
3. Part of workpieces produced by a company require 100% detection density, but an inspector uses the existing tool, so that the detection efficiency is low, the accuracy of detection data is easily influenced by various factors, the error is large, and the repeated measurement deviation is large. By designing and manufacturing the component with the new structure, the detection efficiency is greatly improved, and the accuracy of the detection data is also improved.
In conclusion, the utility model has simple structure, reasonable design, improved working efficiency and low labor intensity.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of a density detection assembly based on an electronic balance.
Fig. 2 is a schematic structural view of the lower tray of the present invention.
Description of reference numerals:
1-electronic balance; 1-body; 1-2-weighing pan;
2-a bracket; 2-1-vertical column; 2-horizontal plate;
3, a water tank; 4-a support column; 5, mounting a bracket;
6, mounting a tray; 7, hanging columns; 8, a lower tray;
9-spherical screw cap.
Detailed Description
As shown in fig. 1, the density detection assembly based on the electronic balance 1 of the present invention includes a main body 1-1 and a weighing pan 1-2, the density detection assembly includes a bracket 2 erected on the weighing pan 1-2 and not in contact with the weighing pan 1-2, a water tank 3 is installed on the bracket 2, a plurality of support columns 4 are vertically and fixedly installed on the weighing pan 1-2, an upper bracket 5 parallel to the weighing pan 1-2 is installed at the upper ends of the plurality of support columns 4, an upper tray 6 is installed on the upper bracket 5, a plurality of suspension posts 7 are fixed on the upper bracket 5, and a lower tray 8 extending into the water tank 3 is installed at the lower ends of the plurality of suspension posts 7.
The density detection component is arranged on the upper part of the electronic balance 1, the density detection of the workpiece is directly realized through the electronic balance 1 and the density detection component, the detection requirement of the density of the workpiece can be met, the workpiece is not required to be bound by silk threads by using the traditional means, the detection time can be effectively saved, the requirement of batch detection on efficiency improvement is met, the working efficiency is improved, the detection cost is saved, and the production cost is reduced; the electronic balance 1 is adjusted according to the mass of the workpiece, so that the density detection of workpieces in various mass ranges can be realized.
It should be noted that, the density detection assembly comprises a bracket 2 which is erected on the weighing pan 1-2 and is not in contact with the weighing pan 1-2, and a water tank 3 is arranged on the bracket 2, so as to meet the requirement of density measurement, the water tank 3 is arranged on the upper part of the weighing pan 1-2 through the bracket 2 under the condition of not being in contact with the weighing pan 1-2, so that a workpiece enters the water tank 3 during measurement, and the water tank 3 is arranged to be filled with water during density measurement, so that the density measurement is facilitated.
It should be noted that, by vertically and fixedly mounting a plurality of supporting columns 4 on the weighing pan 1-2, an upper bracket 5 parallel to the weighing pan 1-2 is arranged at the upper end of the plurality of supporting columns 4, a plurality of hanging columns 7 are fixed on the upper bracket 5, an upper tray 6 is arranged on the upper bracket 5, a lower tray 8 extending into the water tank 3 is arranged at the lower end of a plurality of hanging posts 7, the workpiece is supported by the upper tray 6 and the lower tray 8, the mass of the workpiece in the air and the mass of the workpiece in the water are respectively measured, thereby obtaining the density of the workpieces, transferring the mass of the workpieces on the upper tray 6 and the lower tray 8 to the electronic balance 1 through the suspension posts 7, the upper bracket 5 and the support posts 4, realizing the measurement of the mass, saving the time for binding the workpieces by the suspension wires, meanwhile, the problem that the workpiece is difficult to balance when the workpiece is hung by the suspension wire is solved, the workpiece can be rapidly static when immersed in liquid, and the time for waiting for the workpiece to be static is effectively saved.
As shown in fig. 1, in the present embodiment, the bracket 2 includes two vertical posts 2-1 installed at the left and right ends of the main body 1-1, and a horizontal plate 2-2 is installed at the upper ends of the two vertical posts 2-1. The bracket 2 and the electronic balance 1 form an integral structure through two vertical columns 2-1 at the left end and the right end of the main body 1-1 of the electronic balance 1 and a horizontal plate 2-2 arranged at the upper ends of the vertical columns 2-1, so that the electronic balance is convenient to use and move.
As shown in fig. 1, in the present embodiment, the lower tray 8 is a net. Through tray 8 design for netted down, can hold the work piece, tray 8 can be fast even when 3 water injections of basin measure again with the water drainage test down to guaranteed that the contact interface of tray 8 and water can not produce the bubble down, increased measuring accuracy.
As shown in fig. 2, in the present embodiment, a plurality of spherical nuts 9 are mounted on the lower tray 8. The spherical nuts 9 are arranged on the lower tray 8 in a certain number, so that when a workpiece is placed on the lower tray 8 in water, the workpiece and the lower tray are in point contact, the contact area is as small as possible, adverse effects such as foaming and the like are prevented, and the accuracy and reliability of a detection result are ensured.
As shown in fig. 1, in the present embodiment, the number of the plurality of support columns 4 is four, and four support columns 4 are uniformly distributed on the periphery of the weighing pan 1-2. The four support columns 4 are arranged and uniformly distributed on the periphery of the weighing plate 1-2, so that the accuracy of the detection result is ensured.
As shown in fig. 1, in the present embodiment, the number of the suspension posts 7 is four, the upper ends of the four suspension posts 7 are uniformly distributed on the lower surface of the upper bracket 5, and the lower ends of the suspension posts 7 are uniformly distributed on the periphery of the lower tray 8. Through setting up four davits 7 and with four davits 7 upper ends evenly distributed at 8 week sides of tray under last support 5 lower surface lower extreme evenly distributed, guaranteed the accuracy of testing result.
In actual use, firstly installing a density detection assembly on the electronic balance 1, injecting water into the water tank 3 to ensure that the water level in the water tank 3 is higher than that of a workpiece when the workpiece is placed in the lower tray 8 and the water cannot overflow from the water tank 3, then placing the workpiece on the upper tray 6, weighing the mass of the workpiece in the air by using the electronic balance 1, then lightly placing the workpiece on the lower tray 8 in the water tank 3, weighing the mass of the workpiece in the liquid by using the electronic balance 1, and then according to the record in GB/T3850-2015 dense sintered metal material and hard alloy density measuring method:
Δm＝m1-m2equation 2
Wherein: rho-density of the product, unit g/cm3；
ρ1Density of the liquid, the liquid being distilled water in g/cm3；
m1-mass of product in air, in g;
m2-mass of product in liquid, in g;
Δ m-mass of product discharge liquid, unit g; and calculating to obtain the density of the workpiece.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modifications, alterations and equivalent changes made to the above embodiments according to the technical essence of the present invention are still within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a density detection subassembly based on electronic balance, electronic balance (1) includes main part (1-1) and weighing pan (1-2), its characterized in that, density detection subassembly is including erectting bracket (2) that just contact with weighing pan (1-2) on weighing pan (1-2), install basin (3) on bracket (2), vertical fixed mounting has a plurality of support columns (4) on weighing pan (1-2), and is a plurality of upper bracket (5) parallel with weighing pan (1-2) are installed to support column (4) upper end, install tray (6) on upper bracket (5), upper bracket (5) are fixed with many davits (7), many lower tray (8) that stretch into in basin (3) are installed to davits (7) lower extreme.
2. The electronic balance-based density detecting assembly according to claim 1, wherein the bracket (2) comprises two vertical columns (2-1) installed at the left and right ends of the main body (1-1), and a horizontal plate (2-2) is installed at the upper ends of the two vertical columns (2-1).
3. The electronic balance-based density detection assembly according to claim 1, wherein the lower tray (8) is net-shaped.
4. The electronic balance-based density detection assembly according to claim 1, wherein a plurality of spherical nuts (9) are mounted on the lower tray (8).
5. The electronic balance-based density detection assembly according to claim 1, wherein the number of the plurality of support columns (4) is four, and four support columns (4) are uniformly distributed on the periphery of the weighing pan (1-2).
6. The electronic balance-based density detection assembly according to claim 1, wherein the number of the suspension posts (7) is four, the upper ends of the four suspension posts (7) are uniformly distributed on the lower surface of the upper bracket (5), and the lower ends of the suspension posts (7) are uniformly distributed on the periphery of the lower tray (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123286024.2U CN216646169U (en) | 2021-12-24 | 2021-12-24 | Density detection assembly based on electronic balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123286024.2U CN216646169U (en) | 2021-12-24 | 2021-12-24 | Density detection assembly based on electronic balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216646169U true CN216646169U (en) | 2022-05-31 |
Family
ID=81742738
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123286024.2U Active CN216646169U (en) | 2021-12-24 | 2021-12-24 | Density detection assembly based on electronic balance |
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| Country | Link |
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| CN (1) | CN216646169U (en) |
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2021
- 2021-12-24 CN CN202123286024.2U patent/CN216646169U/en active Active
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