Bulk density testing device for solid powder

Abstract

The utility model discloses a solid powder bulk density testing device which comprises a supporting base, a testing machine frame is fixedly welded above the supporting base, a feeding hopper is installed on the testing machine frame, a positioning plate is installed below the feeding hopper, a detachable structure is arranged between the positioning plate and the testing machine frame, and the testing machine frame is connected with the supporting base. And a scraper assembly is detachably mounted at the lower end of the positioning plate. According to the bulk density inspection device convenient and fast to assemble and fix, solid powder is poured into the powder containing barrel through the feeding hopper, then the powder in the powder containing barrel can be scraped to be flat through the scraper assembly capable of being adjusted in a lifting mode, the powder is made to be flush with the top face of the powder containing barrel, and therefore the bulk density inspection device is convenient to assemble and fix. Finally, the mass of the barrel body filled with the powder is weighed through an electronic scale, the overall mass of the solid powder can be calculated by subtracting the mass of the barrel body, the bulk density of the solid powder can be rapidly calculated by dividing the mass by the inherent volume in the barrel body, and the advantage of being convenient to detect and measure is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to solid powder detection technical field, concretely to a solid powder's loose density testing arrangement. BACKGROUND

[0002] The density of solid powder generally has three forms, namely loose density, tap density and true density. The loose density refers to the bulk density measured when the powder freely fills a standard container under specified conditions, that is, the mass per unit volume when the powder is loosely packed, and the unit is g / cm3. The loose density is a comprehensive reflection of various properties of the powder, and is important for the stability of powder metallurgy and mechanical part production processes, the control of product quality, and the basis for mold design. The tap density has a guiding effect on the design of powder pressing molds and the design of storage and transportation tanks or bags, and is a process property of the powder.

[0003] The Chinese patent document with the authorized announcement number CN210427277U discloses a solid powder density measuring device, which includes a base, a feeding unit, a volume metering unit, a PLC controller and a control panel. The volume metering unit is arranged on the upper end face of the base, and the feeding unit is arranged directly above the volume metering unit. The feeding unit, the volume metering unit and the control panel are all connected with the PLC controller. The feeding unit is used to feed the volume metering unit, and the volume metering unit is used to measure the volume of the powder to be measured. The device can realize double measurement of the loose density and the tap density of the solid powder, has high universality, reduces the investment cost of the density measuring equipment, has a simple structure, is easy to operate, and has strong practicality.

[0004] The above-mentioned prior art needs to use many electronic driving control devices when testing the loose density of the solid powder, and the installation and operation of the equipment are relatively complicated and complex, and the use cost is relatively high. Therefore, a new loose density testing device for solid powder needs to be developed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a loose density testing device for solid powder to solve the problem that the prior art needs to use many electronic driving control devices when testing the loose density of the solid powder, and the installation and operation of the equipment are relatively complicated and complex, and the use cost is relatively high.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a solid powder bulk density testing device, including support base, the upper portion of support base is welded with detection frame, the detection frame is detachably installed with inlet hopper, the lower portion of inlet hopper is installed with positioning plate, and the positioning plate and detection frame are detachable structure, the lower end of positioning plate is detachably installed with scraper assembly, the lower portion of scraper assembly is installed with powder holding barrel, and the lower portion of powder holding barrel is installed with electronic scale.

[0007] Preferably, the rear end surface of the inlet hopper is fixedly connected with the detection frame through the first positioning bolt.

[0008] Preferably, the rear end surface of the positioning plate is fixedly connected with the detection frame through the second positioning bolt.

[0009] Preferably, the lower end of the positioning plate is provided with a fixed clamping plate, the fixed clamping plate is of L-shaped structure, and the fixed clamping plate is fixedly connected with the scraper assembly through the third positioning bolt.

[0010] Preferably, the surface of the detection frame is provided with a plurality of positioning fixing grooves.

[0011] Preferably, the scraper assembly is seamlessly attached to the upper end surface of the powder holding barrel.

[0012] Preferably, the lower end of the inlet hopper is provided with a discharging pipeline.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The bulk density testing device is convenient to assemble and fix, the solid powder is poured into the powder holding barrel through the inlet hopper, then the powder holding barrel is scraped flat through the scraper assembly which can be lifted and adjusted, so that the powder is flush with the top surface of the powder holding barrel, finally the mass of the barrel filled with the powder is weighed through the electronic scale, and the mass of the barrel itself is subtracted to calculate the overall mass of the solid powder, and then the bulk density of the solid powder is calculated by dividing the mass of the solid powder by the inherent volume of the barrel, so that the bulk density testing device has the advantages of convenient detection and measurement. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the utility model;

[0016] Fig. 2 It is a rear end structure schematic view of the utility model;

[0017] Fig. 3 It is a side view of the utility model.

[0018] In the figure: 1, the first positioning bolt; 2, the positioning plate; 3, the detection frame; 4, the support base; 5, the electronic scale; 6, the powder holding barrel; 7, the feeding hopper; 8, the discharging pipeline; 9, the scraper assembly; 10, the fixed clamping plate; 11, the third positioning bolt; 12, the positioning fixed slot; 13, the second positioning bolt. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Please refer to Figs. 1-3 The utility model provides an embodiment: a solid powder bulk density testing device, including support base 4, the upper portion of support base 4 is welded and is fixed with detection frame 3, detection frame 3 is detachably installed with feeding hopper 7, the lower portion of feeding hopper 7 is installed with positioning plate 2, and the detachable structure is between positioning plate 2 and detection frame 3, the lower end of positioning plate 2 is detachably installed with scraper assembly 9, the lower portion of scraper assembly 9 is installed with powder holding barrel 6, and the lower portion of powder holding barrel 6 is installed with electronic scale 5.

[0021] Further, the rear end surface of feeding hopper 7 is fixedly connected with detection frame 3 through first positioning bolt 1, which facilitates the quick installation, fixing and dismounting of feeding hopper 7, and the rear end surface of positioning plate 2 is fixedly connected with detection frame 3 through second positioning bolt 13, which facilitates the quick installation, fixing and dismounting of positioning plate 2, and has the advantages of convenient assembly and fixing and low cost.

[0022] Further, the lower end of positioning plate 2 is provided with fixed clamping plate 10, fixed clamping plate 10 is of L-shaped structure, fixed clamping plate 10 is fixedly connected with scraper assembly 9 through third positioning bolt 11, the installation height of positioning plate 2 can be adjusted by the quick installation and fixing of scraper assembly 9, the upper end surface of scraper assembly 9 and powder holding barrel 6 are seamlessly attached, so that powder holding barrel 6 can be smoothly pushed, the powder inside powder holding barrel 6 is scraped flat by scraper assembly 9, and the powder is flush with the top surface of powder holding barrel 6.

[0023] Further, the surface of detection frame 3 is provided with a plurality of positioning fixed slots 12 for the quick installation and butt joint of the positioning bolt assembly on each component, the lower end of feeding hopper 7 is installed with discharging pipeline 8, which facilitates the sliding of solid powder through feeding hopper 7 to the inside of powder holding barrel 6 through discharging pipeline 8.

[0024] Working principle: in use, first, the electronic scale 5 is used to weigh the powder containing barrel 6 itself weight, the upper part of the supporting base 4 is welded and fixed with the detection rack 3, the detection rack 3 is detachably installed with the feeding hopper 7, the lower end of the feeding hopper 7 is installed with the discharging pipeline 8, the operator can conveniently slide the solid powder through the feeding hopper 7 through the discharging pipeline 8 to the inside of the powder containing barrel 6, the lower part of the feeding hopper 7 is installed with the positioning plate 2, the positioning plate 2 and the detection rack 3 are detachable structure, the lower end of the positioning plate 2 is detachably installed with the scraper assembly 9, the rear end surface of the positioning plate 2 is fixedly connected with the detection rack 3 through the second positioning bolt 13, which facilitates the quick installation, fixing and disassembly of the positioning plate 2, has the advantages of convenient assembly and low cost, the installation height of the positioning plate 2 can be adjusted by quickly installing and fixing the scraper assembly 9, so that the scraper assembly 9 is seamlessly attached to the upper end surface of the powder containing barrel 6, so that the powder containing barrel 6 can be smoothly pushed, the scraper assembly 9 can scrape the powder in the powder containing barrel 6 to be flat, so that the powder is flush with the top surface of the powder containing barrel 6, and finally the mass of the barrel containing the powder is weighed by the electronic scale 5, and the mass of the barrel is subtracted, so that the overall mass of the solid powder can be calculated, and the bulk density of the solid powder can be quickly calculated by dividing the mass of the solid powder by the inherent volume of the barrel, which has the advantage of convenient detection and measurement.

[0025] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0026] The standard parts used in the present application file can be purchased from the market, the specific connection mode of each part adopts the conventional bolt, rivet, welding and other conventional means in the prior art for connection, and the machinery, parts and equipment adopt the conventional type in the prior art, plus the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0027] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for the determination of the apparent density of a solid powder, comprising a support base (4), characterised in that, The upper part of the supporting base (4) is welded and fixed with a detection rack (3), a feeding hopper (7) is detachably installed on the detection rack (3), a positioning plate (2) is installed below the feeding hopper (7), the positioning plate (2) and the detection rack (3) are detachable, a scraper assembly (9) is detachably installed at the lower end of the positioning plate (2), a powder containing barrel (6) is installed below the scraper assembly (9), and an electronic scale (5) is installed below the powder containing barrel (6).

2. A device for testing the apparent density of a solid powder according to claim 1, characterized in that: The rear end surface of the feeding hopper (7) is fixedly connected with the detection rack (3) through the first positioning bolt (1).

3. A device for testing the apparent density of a solid powder according to claim 1, characterized in that: The rear end surface of the positioning plate (2) is fixedly connected with the detection rack (3) through the second positioning bolt (13).

4. A device for testing the apparent density of a solid powder according to claim 3, characterized in that: The lower end of the positioning plate (2) is provided with a fixed clamping plate (10), the fixed clamping plate (10) is of L-shaped structure, and the fixed clamping plate (10) is fixedly connected with the scraper assembly (9) through the third positioning bolt (11).

5. A device for testing the apparent density of a solid powder according to claim 1, characterized in that: The surface of the detection rack (3) is provided with a plurality of positioning fixing grooves (12).

6. A device for testing the apparent density of a solid powder according to claim 1, characterized in that: The scraper assembly (9) is seamlessly attached to the upper end surface of the powder containing barrel (6).

7. A device for testing the apparent density of a solid powder according to claim 1, characterized in that: The lower end of the feeding hopper (7) is provided with a discharging pipeline (8).

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