Automatic liquid supplementing device for alkali etching additive

Abstract

The utility model discloses an alkali etching additive automatic liquid supplementing device which comprises a mounting bottom plate, a quantitative platform is arranged at the upper end of the mounting bottom plate, a raw material table is arranged at the front end of the quantitative platform, a plurality of first raw material tanks are arranged at the upper end of the raw material table, and first discharging pipes are arranged at the rear ends of the first raw material tanks. A first control valve is arranged on the first discharging pipe, a plurality of quantitative liquid supplementing mechanisms are arranged on the quantitative platform and correspond to the first raw material tanks one to one, a first mixing tank is arranged at the rear end of the mounting bottom plate, a first feeding hopper is arranged at the upper end of the first mixing tank, and a second feeding hopper is arranged at the lower end of the first mixing tank. A clamping liquid pouring mechanism is arranged between the first mixing tank and the quantitative platform. According to the automatic liquid supplementing device for the alkali etching additive, provided by the utility model, the automatic liquid supplementing of each component can be completed, and the quantitative liquid supplementing can be accurately realized, so that each component can be prepared in proportion, and the stable performance of the alkali etching additive can be ensured.

Description

Technical Field

[0001] The utility model belongs to the field of liquid replenishing devices, and in particular relates to an automatic liquid replenishing device for alkali etching additives. Background Art

[0002] Monocrystalline silicon solar cells account for an increasingly higher proportion of crystalline silicon solar cells. Major monocrystalline silicon solar cell manufacturers are also expanding. In the fierce competition, in order to maintain their strong competitiveness in the industry, each manufacturer is committed to improving the efficiency of solar cells. In the production process of monocrystalline silicon solar cells, texturing is an indispensable and important step. Monocrystalline silicon texturing is to texturize the surface of monocrystalline silicon wafers. The most commonly used method is alkaline etching, which forms a dense pyramid-like structure on the surface of monocrystalline silicon wafers, reducing the reflectivity of silicon wafers to light, thereby increasing the silicon wafer's absorption rate of sunlight, and thus improving the photoelectric conversion efficiency.

[0003] Among them, during the preparation process of the alkaline etching additive, various components need to be added and mixed, and the mixing needs to be carried out in precise proportions. However, the current mixed addition is often artificially proportioned and its accuracy cannot be guaranteed, resulting in insufficient stability of its performance. Summary of the invention

[0004] In order to solve the deficiencies in the prior art, the utility model provides an automatic liquid replenishing device for an alkali etching additive.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An automatic liquid replenishing device for alkaline etching additives comprises a mounting base plate, a quantitative platform is provided at the upper end of the mounting base plate, a raw material platform is provided at the front end of the quantitative platform, a plurality of first raw material tanks are provided at the upper end of the raw material platform, a first discharge pipe is provided at the rear end of the first raw material tank, a first control valve is provided on the first discharge pipe, a plurality of quantitative liquid replenishing mechanisms are provided on the quantitative platform, the quantitative liquid replenishing mechanisms correspond to the first raw material tanks one by one, a first mixing tank is provided at the rear end of the mounting base plate, a first feeding hopper is provided at the upper end of the first mixing tank, and a clamping and pouring mechanism is provided between the first mixing tank and the quantitative platform.

[0007] Furthermore, the quantitative fluid replenishment mechanism includes a first support plate, a first quantitative cylinder and a first quantitative counterweight block, the two ends of the first support plate are hinged to the quantitative platform, the first quantitative counterweight block is fixed at the front end of the first support plate, and the first quantitative cylinder is arranged at the rear end of the first support plate, and the first quantitative cylinder corresponds one-to-one with the first discharge pipe.

[0008] Further, the quantitative fluid replenishment mechanism includes a first support block, a second support block, a first connecting block and a second connecting block, the first support block is arranged at the front end of the first support plate, the lower end of the first support block is provided with a first contact piece, the second support block is arranged at the rear end of the first support plate, the lower end of the second support block is provided with a second contact piece, the first contact piece and the second contact piece are electrically connected through a first wire, the upper end of the first connecting block is provided with a third contact piece, the third contact piece matches the first contact piece, the upper end of the second connecting block is provided with a fourth contact piece, the fourth contact piece matches the second contact piece, a first controller is provided in the quantitative platform, and the third contact piece and the fourth contact piece are electrically connected.

[0009] Further, a first guide rod is provided at the lower end of the first connecting block, a first guide hole is provided at the front end of the quantitative platform, the first guide rod matches the first guide hole, a first spring is sleeved on the first guide rod, the first spring corresponds to between the first connecting block and the quantitative platform, a second guide rod is provided at the lower end of the second connecting block, a second guide hole is provided at the rear end of the quantitative platform, the second guide rod matches the second guide hole, a second spring is sleeved on the second guide rod, and the second spring corresponds to between the second connecting block and the quantitative platform.

[0010] Furthermore, a first guide rail is provided at the rear end of the mounting base plate, a second support plate is provided at the lower end of the first mixing tank, a first slider is provided at the lower end of the second support plate, the first slider matches the first guide rail, the first mixing tank is driven by a first driving motor, the clamping and pouring mechanism includes a third support plate, a fourth support plate and a first cylinder, the third support plate is arranged at the front end of the second support plate, the rear end of the fourth support plate is hinged to the upper end of the third support plate, the front end of the fourth support plate is hinged to one end of the first cylinder, the other end of the first cylinder is hinged to the second support plate, the front end of the fourth support plate is provided with a first mounting frame, the front end of the first mounting frame is provided with a clamping cylinder, both ends of the clamping cylinder are provided with clamping claws, and the clamping claws match the first quantitative cylinder.

[0011] The utility model discloses an automatic liquid replenishing device for an alkali etching additive. Compared with the prior art, the utility model has the beneficial effect that it can complete the automatic liquid replenishing of each component and accurately realize the quantitative liquid replenishing to ensure that each component is prepared in proportion, thereby ensuring the stable performance of the alkali etching additive. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of a preferred embodiment provided by the utility model from one viewing angle.

[0013] Figure 2It is a structural schematic diagram of another viewing angle of a preferred embodiment provided by the utility model.

[0014] Figure 3 It is a structural schematic diagram of a quantitative platform of a preferred embodiment provided by the utility model.

[0015] Figure 4 It is a structural schematic diagram of a quantitative fluid replenishment mechanism of a preferred embodiment provided by the utility model.

[0016] The reference numerals include: 100, mounting base plate; 110, first guide rail; 120, second support plate; 121, first slider; 130, first mixing tank; 140, third support plate; 150, fourth support plate; 160, first mounting frame; 170, first cylinder; 180, alarm cylinder; 181, clamping jaws; 200, quantitative platform; 210, first guide hole; 220, second guide hole; 300, raw material platform; 310, first raw material tank; 320, first discharge pipe; 321, first control valve; 400, first support plate; 410, first support block; 411, first contact piece; 420, second support block; 421, second contact piece; 430, first quantitative counterweight block; 440, first quantitative barrel; 450, second connecting block; 451, fourth contact piece; 452, second guide rod; 460, second spring. DETAILED DESCRIPTION

[0017] The utility model discloses an automatic liquid replenishing device for an alkali etching additive. The specific implementation manner of the utility model is further described below in conjunction with a preferred embodiment.

[0018] See attached figure Figure 1-4 , Figure 1 It is a structural schematic diagram of a preferred embodiment provided by the utility model from one viewing angle. Figure 2 It is a structural schematic diagram of another perspective of a preferred embodiment provided by the utility model. Figure 3 is a schematic diagram of the structure of a quantitative platform 200 according to a preferred embodiment of the present invention. Figure 4 It is a structural schematic diagram of a quantitative fluid replenishment mechanism of a preferred embodiment provided by the utility model.

[0019] Preferred embodiments.

[0020] The present embodiment provides an automatic liquid replenishing device for alkaline etching additives, including a mounting base plate 100, a quantitative platform 200 is provided at the upper end of the mounting base plate 100, a raw material platform 300 is provided at the front end of the quantitative platform 200, a plurality of first raw material tanks 310 are provided at the upper end of the raw material platform 300, a first discharge pipe 320 is provided at the rear end of the first raw material tank 310, a first control valve 321 is provided on the first discharge pipe 320, a plurality of quantitative liquid replenishing mechanisms are provided on the quantitative platform 200, and the quantitative liquid replenishing mechanisms correspond to the first raw material tanks 310 one by one, a first mixing tank 130 is provided at the rear end of the mounting base plate 100, a first material inlet hopper is provided at the upper end of the first mixing tank 130, and a clamping and pouring mechanism is provided between the first mixing tank 130 and the quantitative platform 200.

[0021] Furthermore, the quantitative fluid replenishment mechanism includes a first support plate 400, a first quantitative cylinder and a first quantitative counterweight 430, the two ends of the first support plate 400 are hinged to the quantitative platform 200, the first quantitative counterweight 430 is fixed at the front end of the first support plate 400, and the first quantitative cylinder is arranged at the rear end of the first support plate 400, and the first quantitative cylinder corresponds one-to-one with the first discharge pipe 320.

[0022] Further, the quantitative fluid replenishment mechanism includes a first support block 410, a second support block 420, a first connecting block and a second connecting block 450, the first support block 410 is arranged at the front end of the first support plate 400, the lower end of the first support block 410 is provided with a first contact 411, the second support block 420 is arranged at the rear end of the first support plate 400, the lower end of the second support block 420 is provided with a second contact 421, the first contact 411 and the second contact 421 are electrically connected through a first wire, the upper end of the first connecting block is provided with a third contact, the third contact matches the first contact 411, the upper end of the second connecting block 450 is provided with a fourth contact 451, the fourth contact 451 matches the second contact 421, and a first controller is provided in the quantitative platform 200, and the third contact and the fourth contact 451 are electrically connected.

[0023] Further, a first guide rod is provided at the lower end of the first connecting block, a first guide hole 210 is provided at the front end of the quantitative platform 200, the first guide rod matches the first guide hole 210, a first spring is sleeved on the first guide rod, the first spring corresponds to between the first connecting block and the quantitative platform 200, a second guide rod 452 is provided at the lower end of the second connecting block 450, a second guide hole 220 is provided at the rear end of the quantitative platform 200, the second guide rod 452 matches the second guide hole 220, a second spring 460 is sleeved on the second guide rod 452, and the second spring 460 corresponds to between the second connecting block 450 and the quantitative platform 200.

[0024] Further, the rear end of the mounting base plate 100 is provided with a first guide rail 110, the lower end of the first mixing tank 130 is provided with a second support plate 120, the lower end of the second support plate 120 is provided with a first slider 121, the first slider 121 matches the first guide rail 110, the first mixing tank 130 is driven by a first driving motor, the clamping pouring mechanism includes a third support plate 140, a fourth support plate 150 and a first cylinder 170, the third support plate 140 is arranged on the second support plate 120 The front end of the fourth support plate 150, the rear end of the fourth support plate 150 is hinged to the upper end of the third support plate 140, the front end of the fourth support plate 150 is hinged to one end of the first cylinder 170, the other end of the first cylinder 170 is hinged to the second support plate 120, the front end of the fourth support plate 150 is provided with a first mounting frame 160, the front end of the first mounting frame 160 is provided with a clamping cylinder, and the two ends of the clamping cylinder are provided with clamping claws 181, and the clamping claws 181 match the first quantitative cylinder.

[0025] Working principle: The first raw material tank 310 replenishes liquid into the first metering cylinder through the first discharge pipe 320, the first quantitative counterweight block 430 can ensure the accurate measurement of each component, and then the first metering cylinder is clamped by the clamping cylinder, and then the first mixing tank 130 is moved to the rear end of the first metering cylinder, and the first cylinder 170 pushes the fourth support plate 150 to pour the additive in the first metering cylinder into the first mixing tank 130 through the first feeding hopper.

[0026] It is worth mentioning that the technical features such as the clamping cylinder involved in this utility model patent application should be regarded as the prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional methods in the field, and should not be regarded as the utility model point of this utility model patent. This utility model patent will not be further elaborated.

[0027] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An automatic liquid replenishing device for alkali etching additives, characterized in that: The invention comprises a mounting base plate (100), wherein a quantitative platform (200) is provided at the upper end of the mounting base plate (100), a raw material platform (300) is provided at the front end of the quantitative platform (200), a plurality of first raw material tanks (310) are provided at the upper end of the raw material tank (300), a first discharge pipe (320) is provided at the rear end of the first raw material tank (310), a first control valve (321) is provided on the first discharge pipe (320), a plurality of quantitative liquid replenishing mechanisms are provided on the quantitative platform (200), the quantitative liquid replenishing mechanisms correspond to the first raw material tanks (310) one by one, a first mixing tank (130) is provided at the rear end of the mounting base plate (100), a first material inlet hopper is provided at the upper end of the first mixing tank (130), and a clamping liquid pouring mechanism is provided between the first mixing tank (130) and the quantitative platform (200).

2. The automatic liquid replenishing device for alkali etching additive according to claim 1, characterized in that: The quantitative liquid replenishment mechanism includes a first support plate (400), a first quantitative cylinder and a first quantitative counterweight (430), the two ends of the first support plate (400) are hinged to the quantitative platform (200), the first quantitative counterweight (430) is fixed to the front end of the first support plate (400), the first quantitative cylinder is arranged at the rear end of the first support plate (400), and the first quantitative cylinder corresponds to the first discharge pipe (320) one by one.

3. The automatic liquid replenishing device for alkali etching additive according to claim 2, characterized in that: The quantitative liquid replenishment mechanism comprises a first support block (410), a second support block (420), a first connection block and a second connection block (450); the first support block (410) is arranged at the front end of the first support plate (400); a first contact piece (411) is arranged at the lower end of the first support block (410); the second support block (420) is arranged at the rear end of the first support plate (400); a second contact piece (421) is arranged at the lower end of the second support block (420); the first contact piece (411) and the second contact piece (421) are electrically connected via a first wire; a third contact piece is arranged at the upper end of the first connection block, and the third contact piece matches the first contact piece (411); a fourth contact piece (451) is arranged at the upper end of the second connection block (450), and the fourth contact piece (451) matches the second contact piece (421); a first controller is arranged in the quantitative platform (200); and the third contact piece and the fourth contact piece (451) are electrically connected.

4. The automatic liquid replenishing device for alkali etching additive according to claim 3, characterized in that: A first guide rod is provided at the lower end of the first connecting block, a first guide hole (210) is provided at the front end of the quantitative platform (200), the first guide rod matches the first guide hole (210), a first spring is sleeved on the first guide rod, the first spring corresponds to between the first connecting block and the quantitative platform (200), a second guide rod (452) is provided at the lower end of the second connecting block (450), a second guide hole (220) is provided at the rear end of the quantitative platform (200), the second guide rod (452) matches the second guide hole (220), a second spring (460) is sleeved on the second guide rod (452), and the second spring (460) corresponds to between the second connecting block (450) and the quantitative platform (200).

5. The automatic liquid replenishing device for alkaline etching additive according to claim 4, characterized in that: The rear end of the mounting base plate (100) is provided with a first guide rail (110), the lower end of the first mixing tank (130) is provided with a second support plate (120), the lower end of the second support plate (120) is provided with a first slider (121), the first slider (121) matches the first guide rail (110), the first mixing tank (130) is driven by a first driving motor, the clamping and pouring mechanism comprises a third support plate (140), a fourth support plate (150) and a first cylinder (170), the third support plate (140) is arranged on the second support plate (120) ), the rear end of the fourth support plate (150) is hinged to the upper end of the third support plate (140), the front end of the fourth support plate (150) is hinged to one end of the first cylinder (170), the other end of the first cylinder (170) is hinged to the second support plate (120), the front end of the fourth support plate (150) is provided with a first mounting frame (160), the front end of the first mounting frame (160) is provided with a clamping cylinder, and the two ends of the clamping cylinder are provided with clamping claws (181), and the clamping claws (181) match the first metering cylinder.

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