Automatic powder weighing mechanism

Abstract

The utility model relates to the technical field of weighing devices, and particularly discloses an automatic powder weighing mechanism which comprises a weighing platform, a weightlessness scale is fixed at the bottom of the weighing platform, a scraping mechanism is connected to the top of the weighing platform in a sliding mode, a powder cleaning mechanism is arranged on one side of the scraping mechanism, the scraping mechanism comprises a scraper assembly, and the scraper assembly is arranged on the bottom of the weighing platform. The scraper assembly comprises a first scraper and a second scraper, a plurality of connecting plates are fixedly connected between the first scraper and the second scraper, the connecting plates are arranged at intervals, the powder cleaning mechanism comprises a connecting base, a plurality of electromagnet assemblies are fixed to one side of the connecting base, each electromagnet assembly comprises an electromagnet, and the electromagnet assemblies are fixed to the other side of the connecting base. The outer side of the electromagnet is slidably sleeved with a connecting shell, and the connecting shell is fixedly connected with the connecting base. According to the utility model, the weight of the powder before and after weighing can be kept consistent, and the weighing accuracy and efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of weighing devices, in particular to an automatic powder weighing mechanism. Background Art

[0002] In industrial production, powders need to be micro-weighed in batches and continuously on automated production lines.

[0003] However, in the prior art, after the powder is weighed and discharged, some powder is likely to remain on the weighing platform, resulting in inconsistency between the weight of the powder before and after weighing, which affects the accuracy of weighing and reduces the efficiency of powder weighing.

[0004] Therefore, those skilled in the art provide an automatic powder weighing mechanism to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to provide a powder automatic weighing mechanism to solve the following technical problems:

[0006] How to achieve consistency in the weight of powder before and after weighing to improve the accuracy and efficiency of weighing.

[0007] The purpose of the utility model can be achieved through the following technical solutions:

[0008] An automatic powder weighing mechanism comprises a weighing platform, a loss-in-weight scale is fixed to the bottom of the weighing platform, a scraping mechanism is slidably connected to the top of the weighing platform, and a powder cleaning mechanism is arranged on one side of the scraping mechanism;

[0009] The scraping mechanism comprises a scraper assembly, the scraper assembly comprises a first scraper and a second scraper, a plurality of connecting plates are fixedly connected between the first scraper and the second scraper, and the plurality of connecting plates are arranged at intervals;

[0010] The powder cleaning mechanism comprises a connecting seat, and a plurality of electromagnet assemblies are fixed on one side of the connecting seat;

[0011] The electromagnet assembly comprises an electromagnet, an outer sliding sleeve of the electromagnet is provided with a connecting shell, and the connecting shell is fixedly connected to a connecting seat.

[0012] Furthermore, the bottom of the first scraper is bent and faces the second scraper, and the bottom of the second scraper is an inverted triangle.

[0013] Furthermore, fixed blocks are fixed at both ends of the scraper assembly, and fixed plates are fixed on the outer sides of the fixed blocks.

[0014] Furthermore, electric slides are fixed on both sides of the outside of the loss-in-weight scale, a slider is fixed on the bottom of the fixed plate, and the fixed plate is slidably connected to the electric slides via the slider.

[0015] Furthermore, a discharge end is fixed between the electric slide and one side of the weighing platform, support plates are fixed on both sides of the bottom of the loss-in-weight scale, and a conveyor belt is connected between the two support plates.

[0016] Furthermore, the upper parts of the two electric slides are fixedly connected to a connecting seat, and the connecting seat is electrically connected to the electromagnet.

[0017] Furthermore, a limiting plate is fixed to the bottom of the connecting rod, and a tension spring is fixedly connected between the limiting plate and the connecting shell.

[0018] Furthermore, a display is fixed on one side of the loss-in-weight scale, and a controller is fixed on one side of the connecting base.

[0019] Beneficial effects of the utility model:

[0020] The utility model is provided with a scraper assembly and an electromagnet assembly. The scraper assembly can completely scrape off the residual powder on the weighing platform. The electromagnet assembly is convenient for shaking off the powder attached to the outer surface of the scraper assembly, and the scraped powder can directly fall to the powder collection place at the discharge end, so as to make the weight of the powder before and after weighing consistent, avoid the residual powder on the weighing platform and the powder attached to the scraper assembly affecting the accuracy of the next weighing, and improve the accuracy and efficiency of weighing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described below in conjunction with the accompanying drawings.

[0022] Figure 1 It is a first three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 It is a second three-dimensional structural schematic diagram of the utility model;

[0024] Figure 3 It is a top view of the utility model;

[0025] Figure 4 This is a structural exploded view of the scraper assembly of the utility model;

[0026] Figure 5 It is a schematic diagram of the connection structure of the electromagnet of the utility model.

[0027] Reference numerals:

[0028] 1. Weighing platform; 2. Scraping mechanism; 3. Powder cleaning mechanism; 4. Display; 5. Conveyor belt; 6. Support plate; 7. Loss-in-weight scale; 8. Discharging end; 9. Display; 201. Connecting plate; 202. Fixed block; 203. Scraper assembly; 204. Electric slide; 2031. First scraper; 2032. Fixed plate; 2033. Second scraper; 301. Connecting seat; 302. Electromagnet assembly; 3021. Electromagnet; 3022. Connecting rod; 3023. Connecting shell; 3024. Limiting plate; 3025. Tension spring. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Please see attached Figure 1-5 An automatic powder weighing mechanism in an embodiment of the utility model comprises a weighing platform 1, a weight loss scale 7 is fixed to the bottom of the weighing platform 1, a scraping mechanism 2 is slidably connected to the top of the weighing platform 1, and a powder cleaning mechanism 3 is arranged on one side of the scraping mechanism 2;

[0031] The scraping mechanism 2 includes a scraper assembly 203, the scraper assembly 203 includes a first scraper 2031 and a second scraper 2033, a plurality of connecting plates 2032 are fixedly connected between the first scraper 2031 and the second scraper 2033, and the plurality of connecting plates 2032 are arranged at intervals;

[0032] The powder cleaning mechanism 3 includes a connecting seat 301, and a plurality of electromagnet assemblies 302 are fixed on one side of the connecting seat 301;

[0033] The electromagnet assembly 302 includes an electromagnet 3021, an outer sliding sleeve of the electromagnet 3021 is provided with a connecting shell 3023, the connecting shell 3023 is fixedly connected to the connecting seat 301, a limiting plate 3024 is fixedly provided at the bottom of the connecting rod 3022, a tension spring 3025 is fixedly connected between the limiting plate 3024 and the connecting shell 3023, the scraper assembly 203 can completely scrape off the residual powder on the weighing platform 1, the electromagnet assembly 302 is convenient for shaking off the powder attached to the outer surface of the scraper assembly 203, and the scraped powder can directly fall to the powder collection area at the discharge end 8.

[0034] The bottom of the first scraper 2031 is bent and faces the second scraper 2033. The bottom of the second scraper 2033 is an inverted triangle. After the second scraper 2033 scrapes the powder, the powder on the platform can be scraped off by the first scraper 2031, thereby ensuring that there is no excess powder on the platform. When the scraper assembly 203 is close to the electromagnet assembly 302, the electromagnet 3021 pops outward under the action of the electromagnetic force and collides with the outer side of the second scraper 2033, thereby the second scraper 203 The elastic force is transmitted to the first scraper 2031 through the connecting plate 2032, so that the powder attached to the outer surface of the scraper assembly 203 can be shaken off to the container at the powder collection place of the discharge end 8, and then the tension spring 3025 resets the electromagnet 3021 through the connecting rod 3022, and the outer side of the electromagnet 3021 from the connecting rod 3022 to the outside is gradually enlarged, which is convenient for increasing the contact area during the collision, and the outer side is inclined in an arc shape, which is convenient for the powder falling to the outside of the electromagnet 3021 to slide off.

[0035] Fixed blocks 202 are fixed at both ends of the scraper assembly 203, fixed plates 201 are fixed on the outside of the fixed blocks 202, electric slides 204 are fixed on both sides of the outside of the loss-in-weight scale 7, and sliders are fixed at the bottom of the fixed plates 201, and the fixed plates 201 are slidably connected to the electric slides 204 through the sliders.

[0036] The electric slide 204 is located on one side of the weighing platform 1, and a discharge end 8 is fixed therebetween. Support plates 6 are fixed on both sides of the bottom of the loss-in-weight scale 7. A conveyor belt 5 is connected between the two support plates 6. A container for collecting powder can be placed above the conveyor belt 5. After the scraped powder falls into the container at the discharge end 8, the conveyor belt 5 transports it to the next place for the next processing. It has efficient operation, is easy to use, and can improve the weighing efficiency.

[0037] The upper parts of the two electric slides 204 are fixedly connected to the connecting base 301 , and the connecting base 301 is electrically connected to the electromagnet 3021 .

[0038] A display 9 is fixed to one side of the loss-in-weight scale 7 , and a controller 4 is fixed to one side of the connecting base 301 .

[0039] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A powder automatic weighing mechanism, comprising a weighing platform (1), characterized in that: A loss-in-weight scale (7) is fixed at the bottom of the weighing platform (1), a scraping mechanism (2) is slidably connected to the top of the weighing platform (1), and a powder cleaning mechanism (3) is provided on one side of the scraping mechanism (2); The scraping mechanism (2) comprises a scraper assembly (203), wherein the scraper assembly (203) comprises a first scraper (2031) and a second scraper (2033), wherein a plurality of connecting plates (2032) are fixedly connected between the first scraper (2031) and the second scraper (2033), and the plurality of connecting plates (2032) are arranged at intervals; The powder cleaning mechanism (3) comprises a connecting seat (301), and a plurality of electromagnet assemblies (302) are fixed on one side of the connecting seat (301); The electromagnet assembly (302) comprises an electromagnet (3021), an outer sliding sleeve of the electromagnet (3021) is provided with a connecting shell (3023), and the connecting shell (3023) is fixedly connected to the connecting seat (301).

2. The automatic powder weighing mechanism according to claim 1, characterized in that: The bottom of the first scraper (2031) is bent and faces the second scraper (2033), and the bottom of the second scraper (2033) is in the shape of an inverted triangle.

3. The automatic powder weighing mechanism according to claim 1, characterized in that: Both ends of the scraper assembly (203) are fixed with fixed blocks (202), and the outer side of the fixed block (202) is fixed with a fixed plate (201).

4. The automatic powder weighing mechanism according to claim 3 is characterized in that: Electric slides (204) are fixed on both sides of the outside of the loss-in-weight scale (7), a slider is fixed on the bottom of the fixed plate (201), and the fixed plate (201) is slidably connected to the electric slides (204) via the slider.

5. The automatic powder weighing mechanism according to claim 4, characterized in that: A discharge end (8) is fixed between the electric slide (204) located on one side of the weighing platform (1), support plates (6) are fixed on both sides of the bottom of the loss-in-weight scale (7), and a conveyor belt (5) is connected between the two support plates (6).

6. The automatic powder weighing mechanism according to claim 4, characterized in that: The upper parts of the two electric slides (204) are fixedly connected to a connecting seat (301), and the connecting seat (301) is electrically connected to an electromagnet (3021).

7. The automatic powder weighing mechanism according to claim 1, characterized in that: A connecting rod (3022) is fixed to one end of the electromagnet (3021), a limiting plate (3024) is fixed to the bottom of the connecting rod (3022), and a tension spring (3025) is fixedly connected between the limiting plate (3024) and the connecting shell (3023).

8. The automatic powder weighing mechanism according to claim 1, characterized in that: A display (9) is fixed on one side of the loss-in-weight scale (7), and a controller (4) is fixed on one side of the connecting base (301).

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