Storage device for screen etching liquid

Abstract

The utility model belongs to the technical field of screen etching liquid, in particular to a storage device for screen etching liquid, which comprises a storage barrel and a cover plate, a discharge pipe is arranged at the lower part of the outer wall of the storage barrel, arc-shaped blocks are mounted on two sides of the outer wall of the storage barrel, a group of positioning holes are formed in the inner walls of the two arc-shaped blocks, and a plurality of positioning holes are formed in the inner walls of the arc-shaped blocks. A sealing ring is installed at the bottom of the cover plate, a sealing groove is formed in the upper end of the storage barrel, a handle is installed on the cover plate, a transverse plate is installed in the middle of the upper end of the cover plate, and a limiting assembly is arranged in the transverse plate. The limiting assembly comprises four guide rods installed in the transverse plate, a sliding block is jointly connected between the two guide rods on the same side in a sliding mode, and positioning plates are installed at the ends, away from each other, of the two sliding blocks. Through the arrangement of the limiting component, the cover plate can be limited and fixed on the storage barrel, and is matched with the sealing ring and the sealing groove, so that the stability and the sealing performance can be ensured, and the opening and the closing are convenient, and materials are convenient to inject.

Description

Technical Field

[0001] The utility model relates to the technical field of screen etching liquid, in particular to a storage device for screen etching liquid. Background Art

[0002] Screen etching fluid is a chemical solution used to remove materials from screen materials (such as semiconductor wafers). In the semiconductor manufacturing process, etching technology is used to achieve circuit patterning, and etching fluid plays a key role in this process.

[0003] According to the Chinese patent publication number CN 217836690 U, the invention relates to the field of etching liquid storage technology, in particular to a corrosion-resistant etching liquid storage barrel, comprising a barrel, a feed port connected to the top of the barrel, a cover plate above the feed port, a sealing gasket fixed to the inner wall of the cover plate, baffles placed on both sides above the cover plate, and adjustment mechanisms provided between the two baffles and both sides above the barrel. The cover plate of the barrel is provided above the feed port, and the sealing gasket can increase the sealing between the cover plate and the feed port, thereby effectively preventing air from entering the barrel.

[0004] In this application, two handles need to be manually rotated in sequence to achieve fixed positioning of the cover, which results in low connection efficiency and cumbersome operation. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the deficiencies in the prior art, the present invention provides a storage device for screen etching liquid, which solves the problems raised in the above-mentioned background technology.

[0007] (2) Technical solution

[0008] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0009] A storage device for screen etching liquid comprises a storage barrel and a cover plate, wherein a discharge pipe is provided at the lower portion of the outer wall of the storage barrel, arc-shaped blocks are installed on both sides of the outer wall of the storage barrel, and a group of positioning holes are opened on the inner walls of the two arc-shaped blocks, a sealing ring is installed at the bottom of the cover plate, a sealing groove is opened at the upper end of the storage barrel, a handle is installed on the cover plate, and a horizontal plate is installed at the middle portion of the upper end of the cover plate, and a limit assembly is provided in the horizontal plate;

[0010] The limiting assembly includes four guide rods installed in the transverse plate, and a slider is slidably connected between the two guide rods on the same side. A positioning plate is installed at the ends of the two sliders that are away from each other. The positioning plate is slidably connected to the transverse plate, and two springs are installed at the ends of the two sliders that are close to each other. The four springs are all connected to the transverse plate. A winding roller is rotatably connected in the transverse plate, and two connecting ropes are connected to the outer surface of the winding roller. A rocker is installed on the winding roller, and the two connecting ropes are respectively connected to the two sliders.

[0011] Furthermore, the positioning plate slides in the positioning hole.

[0012] Furthermore, a pipe plug is provided on the discharge pipe.

[0013] Furthermore, the sealing ring is located in the sealing groove.

[0014] Furthermore, the storage bucket is a transparent structure.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the present invention provides a storage device for screen etching liquid, which has the following beneficial effects:

[0017] The utility model can limit and fix the cover plate on the storage barrel through the setting of the limiting component, and cooperate with the sealing ring and the sealing groove to ensure stability and sealing, making it easy to open and close and convenient for filling and the like. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a structural diagram of the storage barrel and cover plate of the utility model;

[0020] Figure 3 This is a schematic structural diagram of the limit assembly of the utility model.

[0021] In the figure: 1. Storage barrel; 2. Discharge pipe; 3. Cover plate; 4. Horizontal plate; 5. Handle; 6. Limiting assembly; 61. Guide rod; 62. Slider; 63. Positioning plate; 64. Spring; 65. Winding roller; 66. Rocker; 67. Connecting rope; 7. Arc block; 8. Positioning hole; 9. Sealing ring; 10. Sealing groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example

[0024] like Figure 1-3 As shown, a storage device for screen etching liquid proposed in one embodiment of the present invention includes a storage barrel 1 and a cover plate 3. A discharge pipe 2 is provided at the lower part of the outer wall of the storage barrel 1. Arc blocks 7 are installed on both sides of the outer wall of the storage barrel 1. The inner walls of the two arc blocks 7 are each provided with a group of positioning holes 8. A sealing ring 9 is installed at the bottom of the cover plate 3. A sealing groove 10 is provided at the upper end of the storage barrel 1. A handle 5 is installed on the cover plate 3. A horizontal plate 4 is installed at the middle part of the upper end of the cover plate 3. A limiting component 6 is provided in the horizontal plate 4. Through the setting of the limiting component 6, the cover plate 3 can be limited and fixed on the storage barrel 1, and cooperated with the sealing ring 9 and the sealing groove 10 to ensure stability and sealing, making it easy to open and close and convenient for use such as filling.

[0025] The limiting assembly 6 includes four guide rods 61 installed in the transverse plate 4, and a slider 62 is slidably connected between the two guide rods 61 on the same side. The ends of the two sliders 62 that are away from each other are installed with positioning plates 63. The positioning plates 63 are slidably connected to the transverse plate 4. The ends of the two sliders 62 that are close to each other are installed with two springs 64. The four springs 64 are connected to the transverse plate 4. A winding roller 65 is rotatably connected in the transverse plate 4. The outer surface of the winding roller 65 is connected to two connecting ropes 67. A rocker 66 is installed on the winding roller 65. The two connecting ropes 67 are respectively connected to the two sliders 62. Connection; by manually rotating the rocker 66 clockwise, the winding roller 65 is driven to rotate clockwise, the two connecting ropes 67 can be wound up, and the slider 62 is driven to slide on the guide rod 61, thereby squeezing the spring 64, thereby driving the two positioning plates 63 to slide in opposite directions, thereby sliding the positioning plates 63 to the inside of the cross plate 4, and then placing the cover plate 3 on the storage barrel 1 through the handle 5, and making the sealing ring 9 fit into the sealing groove 10, and then with the reset of the spring 64, the positioning plate 63 is driven to fit into the positioning hole 8 at the corresponding position, and the installation of the cover plate 3 is completed.

[0026] like Figure 3 As shown, in some embodiments, the positioning plate 63 slides in the positioning hole 8 to facilitate installation.

[0027] like Figure 1 As shown, in some embodiments, a pipe plug is provided on the discharge pipe 2 to facilitate discharge of materials.

[0028] like Figure 2 As shown, in some embodiments, the sealing ring 9 is located in the sealing groove 10 to improve the sealing performance.

[0029] like Figure 1 As shown, in some embodiments, the storage barrel 1 is a transparent structure, which facilitates observation of the amount of etching liquid inside.

[0030] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A storage device for screen etching liquid, comprising a storage barrel (1) and a cover plate (3), characterized in that: A discharge pipe (2) is provided at the lower portion of the outer wall of the storage barrel (1), arc blocks (7) are installed on both sides of the outer wall of the storage barrel (1), and a group of positioning holes (8) are opened on the inner walls of the two arc blocks (7). A sealing ring (9) is installed at the bottom of the cover plate (3), and a sealing groove (10) is opened at the upper end of the storage barrel (1). A handle (5) is installed on the cover plate (3), and a horizontal plate (4) is installed at the middle portion of the upper end of the cover plate (3), and a limit assembly (6) is provided inside the horizontal plate (4); The limiting assembly (6) includes four guide rods (61) installed in the transverse plate (4), and a slider (62) is slidably connected between the two guide rods (61) on the same side. The ends of the two sliders (62) that are away from each other are both installed with positioning plates (63), and the positioning plates (63) are slidably connected to the transverse plate (4). The ends of the two sliders (62) that are close to each other are both installed with two springs (64), and the four springs (64) are all connected to the transverse plate (4). A winding roller (65) is rotatably connected in the transverse plate (4), and the outer surface of the winding roller (65) is connected to two connecting ropes (67). A rocker (66) is installed on the winding roller (65), and the two connecting ropes (67) are respectively connected to the two sliders (62).

2. A storage device for screen etching liquid according to claim 1, characterized in that: The positioning plate (63) slides in the positioning hole (8).

3. The storage device for screen etching liquid according to claim 1, characterized in that: The discharge pipe (2) is provided with a pipe plug.

4. The storage device for screen etching liquid according to claim 1, characterized in that: The sealing ring (9) is located in the sealing groove (10).

5. The storage device for screen etching liquid according to claim 1, characterized in that: The storage bucket (1) has a transparent structure.

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