Paint spraying hanger for castings

Abstract

A casting paint spraying hanger relates to the technical field of casting production. Comprising elastic hooks, clamp spring boxes and a hanger frame, the hanger frame is connected with multiple rows of clamp spring boxes, each clamp spring box comprises a clamp spring box body, the upper end of each clamp spring box body is connected with the hanger frame through a supporting beam, each clamp spring box body is connected with a plurality of clamp spring cross beams, the elastic hooks are connected between the adjacent clamp spring cross beams, and the elastic hooks are connected between the adjacent clamp spring cross beams. The elastic hook comprises a clamping part at the upper part and hook ends connected to the two ends of the clamping part, the lower end opening of the clamping part is inwards contracted, the joint of the lower end opening of the clamping part and the hook ends is in an outwards-expanded arc shape, and the end part of one hook end is a hook-shaped part for hanging a casting. The needle is reasonable in structure and easy to operate. A plurality of castings can be hung on one hanging frame, the hanging frame is hung on a catenary to be fed into a paint spraying chamber, paint spraying is conducted on the castings, mechanization of paint spraying work of the small castings with the weight smaller than 20 kg is achieved, and the paint spraying work efficiency of the castings is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of casting production, in particular to a casting spraying hanger used for improving the working efficiency of small casting spraying. Background Art

[0002] In the production of castings, gradual painting is an indispensable link. Painting of castings not only improves the aesthetics and market competitiveness of the product, but more importantly, it prevents defects such as oxidation and sand sticking by forming a protective layer, thereby protecting the casting from damage by environmental factors and extending its service life. At present, the general method of spraying anti-rust paint on small castings is that workers hold the casting in one hand and spray the casting with a spray gun in the other hand; or place the casting on a platform and then spray paint it. After spraying one side, turn the casting over and spray the other side. The above methods have low working efficiency and are not conducive to achieving efficient production. Utility Model Content

[0003] The utility model aims to solve the problems existing in the prior art and provide a casting spray paint rack which can improve the painting efficiency of smaller castings.

[0004] The technical solution adopted by the utility model to achieve the above-mentioned purpose is: a casting spray paint hanger, characterized in that it includes an elastic hook, a spring box, and a hanger frame, wherein a plurality of rows of spring boxes are connected to the hanger frame, the spring box includes a spring box body, the upper end of the spring box body is connected to the hanger frame through a support beam, a plurality of spring beams are connected to the spring box body, and an elastic hook is connected between adjacent spring beams, the elastic hook includes an upper clamping portion and hook ends connected to both ends of the clamping portion, the lower port of the clamping portion is inwardly retracted, and the connection with the hook end is an outwardly expanded arc shape, and there is a certain angle between the two hook ends in the free state, and after being installed in the spring box, the two hook ends are both vertically downward, and the end of one of the hook ends is a hook-shaped portion for hanging castings.

[0005] The elastic hook is made of 0Cr17Ni7Al stainless steel wire with a diameter of 2.3mm, and has good mechanical properties and elastic mechanical properties, as well as excellent heat resistance and corrosion resistance; its clamping part is a triangle as a whole, with a downward sloping top edge, and its lower port is connected to the two hook ends by an arc transition. The hook ends are one long and one short, and the hook-shaped part is located at the long hook end. When in a free state, the angle between the two hook ends is 25°.

[0006] The radii of the arc transition connection are 10 mm and 5 mm respectively.

[0007] The inner width of the spring box body is 1mm larger than the diameter of the hook wire, which is convenient for loading and unloading the hook and avoids the hook from tilting sideways. The elastic hooks on the spring boxes in the same row are in the same direction, while the elastic hooks on the spring boxes in the adjacent row are in the opposite direction.

[0008] The rack frame comprises a rack frame crossbeam and rack frame vertical frames connected at both ends thereof, the rack frame crossbeam is connected to a rack frame hanging beam, and a support beam is welded between two rack frame vertical frames.

[0009] The utility model has a reasonable needle structure and is easy to operate. Multiple castings can be hung on a hanger, and the hanger is hung on a catenary line and sent into a paint spraying room to spray paint the castings, thereby mechanizing the painting work of small castings weighing less than 20 kilograms and greatly improving the efficiency of casting painting. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 Schematic diagram of the structure of the casting to be painted;

[0011] Figure 2 This is the front view of the elastic hook of the utility model;

[0012] Figure 3 This is a side view of the elastic hook of the utility model;

[0013] Figure 4 This is the front view of the spring box of the utility model;

[0014] Figure 5 This is a side view of the spring box of the utility model;

[0015] Figure 6 This is a frame view of the utility model hanger;

[0016] Figure 7 This is a schematic diagram of the position of the elastic hook of the utility model installed in the spring box;

[0017] Figure 8 This is a schematic diagram of the spring box of the utility model being installed on the rack frame;

[0018] Fig. 9 This is a state diagram for use of the utility model;

[0019] In the figure: 1, elastic hook, 1-1, clamping part, 1-2, hook end, 1-3 hook-shaped part, 2, spring box, 2-1, spring box body, 2-2, spring beam, 2-3, supporting beam, 3, rack frame, 3-1, rack frame hanging beam, 3-2 rack frame beam, 3-3, rack frame vertical frame, a, spring beam spacing, b, spring box body inner width, m, free state position of the lower right straight section of the elastic hook, n, position of the lower right straight section of the elastic hook installed in the spring box, Φ, elastic hook wire diameter, α, angle between the two hook ends when they are in free state. DETAILED DESCRIPTION Example 1

[0020] like Fig. 9The casting spray paint rack shown in the figure comprises an elastic hook 1, a spring box 2, and a rack frame 3, wherein a plurality of rows of spring boxes 2 are connected to the rack frame 3. Figure 4-Figure 5 As shown, the spring box 2 includes a spring box body 2-1, the upper end of the spring box body 2-1 is connected to the rack frame 3 through a support beam 2-3, a plurality of spring beams 2-2 are connected to the spring box body 2-1, and elastic hooks 1 are connected between adjacent spring beams 2-2, as shown in FIG. Figure 2-Figure 3 As shown, the elastic hook 1 includes an upper clamping portion 1-1 and two hook ends 1-2, one long and one short, connected to the two ends of the clamping portion 1-1. The lower end of the clamping portion 1-1 is inwardly retracted, and the connection with the hook end 1-2 is an outwardly expanded arc shape. In the free state, the angle α between the two hook ends 1-2 is 25°. After being installed in the spring box 2, the two hook ends 1-2 are both vertically downward, and the end of the longer hook end 1-2 is a hook-shaped portion 1-3 for hanging castings.

[0021] The elastic hook 1 is made of 0Cr17Ni7Al stainless steel wire with a diameter of 2.3mm, which has good mechanical properties and elastic mechanical properties, as well as excellent heat resistance and corrosion resistance; its clamping part 1-1 is a triangle as a whole, with a downwardly inclined top edge, and its lower end is connected to the two hook ends 1-2 by an arc transition. The radius of the arc transition connection is 10mm and 5mm respectively.

[0022] The inner width b of the spring box body is 1 mm larger than the diameter of the hook wire, which facilitates the loading and unloading of the hook and avoids the hook from tilting sideways. The elastic hooks 1 on the spring boxes 2 in the same row are in the same direction, while those in the adjacent rows are in the opposite direction.

[0023] like Figure 6 As shown, the rack frame 3 includes a rack frame cross beam 3-2 and rack frame vertical frames 3-3 connected at both ends thereof, the rack frame cross beam 3-2 is connected to the rack frame hanging beam 3-1, and a support beam 2-3 is welded between the two rack frame vertical frames 3-3. Example 2

[0024] The use process of the utility model is as follows:

[0025] 1. Hold the lower part of the elastic hook 1, and use the elasticity of the hook to tighten the left and right sections of the lower part of the hook toward the center, and then insert the upper part of the hook between the two spring beams 2-2 of the spring box 2. After releasing your hand, the elastic hook 1 will be like Figure 7 It is shown to be fixed in the spring box 2.

[0026] 2. After installing the elastic hook 1 in the spring box 2, install it on the rack frame 3. To ensure firmness, the support beam 2-3 of the spring box 2 and the vertical frame 3-3 of the rack frame 3 need to be welded together. After the spring box 2 filled with elastic hooks 1 is welded to the rack frame 3, its side view is as follows: Figure 8 shown.

[0027] 3. One rack frame 3 can be equipped with four rows of spring boxes 2. After installation, the rack frame 3 is hung on the catenary. Then the casting can be hung on the elastic hook 1 and moved into the spraying room for spraying with the catenary, thus realizing the mechanization of the casting spraying work.

[0028] 4. When the casting to be painted changes, the elastic hook 1 can be removed from the spring box 2 and replaced with a hook of another form of hook.

[0029] 5. After using the elastic hook 1 for a period of time, some paint will adhere to it, affecting its use. You can remove it and continue to use it after cleaning off the adhered paint.

Claims

1. Casting spray painting rack, characterized by: It includes an elastic hook, a spring box, and a rack frame. The rack frame is connected with multiple rows of spring boxes, the spring box includes a spring box body, the upper end of the spring box body is connected to the rack frame through a support beam, a plurality of spring beams are connected to the spring box body, and the elastic hook is connected between adjacent spring beams. The elastic hook includes an upper clamping part and hook ends connected to both ends of the clamping part. The lower port of the clamping part is inwardly retracted, and the connection with the hook end is an outwardly expanded arc shape. There is a certain angle between the two hook ends in the free state. After being installed in the spring box, the two hook ends are vertically downward, and the end of one of the hook ends is a hook-shaped part for hanging castings.

2. The casting spray painting rack according to claim 1, characterized in that: The elastic hook is made of 0Cr17Ni7Al stainless steel wire with a diameter of 2.3mm. The clamping part is triangular as a whole, with the top edge tilted downward. The lower port is connected to the two hook ends by an arc transition. The hook ends are one long and one short. The hook-shaped part is located at the long hook end. The angle between the two hook ends is 25° in the free state.

3. The casting spray painting rack according to claim 2, characterized in that: The radii of the arc transition connection are 10 mm and 5 mm respectively.

4. The casting spray painting rack according to claim 1, characterized in that: The inner opening width of the spring box body is 1mm larger than the diameter of the hook wire. The elastic hooks on the spring boxes in the same row are in the same direction, while the elastic hooks on the spring boxes in the adjacent row are in the opposite direction.

5. The casting spray painting rack according to any one of claims 1 to 4, characterized in that: The rack frame comprises a rack frame crossbeam and rack frame vertical frames connected at both ends thereof, the rack frame crossbeam is connected to a rack frame hanging beam, and a support beam is welded between two rack frame vertical frames.

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