A polishing device for casting

By using an arc-shaped guide rail and a limiting toothed plate structure in the casting rust removal device, the sandblasting head can be quickly adjusted and precisely positioned, solving the problem of low efficiency when changing processing objects in the existing device and improving the working efficiency of casting rust removal.

CN224476045UActive Publication Date: 2026-07-10YULONG EQUIPMENT MANUFACTURING (WUHAN) CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YULONG EQUIPMENT MANUFACTURING (WUHAN) CO LTD
Filing Date
2025-06-17
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing rust removal equipment for castings requires sequential bolt removal, repositioning, and retightening when changing the workpiece, resulting in low efficiency.

Method used

A grinding device for casting has been designed. It uses multiple sandblasting heads through an arc-shaped guide rail and a limiting toothed plate structure to achieve rapid adjustment and precise positioning of the sandblasting heads. It can be unlocked and locked with a simple pull and release, and is suitable for castings of different shapes.

Benefits of technology

It improves the efficiency of the rust removal process for castings, enables rapid adaptation and precise positioning of the sandblasting head, and reduces adjustment time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of grinding device for casting, belong to foundry parts technical field, including mounting bracket and the rust removal mechanism being set in it, rust removal mechanism is used to carry out rust removal operation to foundry parts surface, rust removal mechanism includes multiple arc-shaped guide rails being set in mounting bracket, multiple sliding blocks are slidably connected on arc-shaped guide rail, the inside end of sliding block is equipped with sand blasting head, rust removal mechanism further includes respectively being set in the outside end of sliding block L-shaped plate, limit toothed plate is slidably connected on L-shaped plate, the outer arc surface of arc-shaped guide rail is equipped with evenly distributed tooth slot, limit toothed plate is respectively with the tooth slot on the same arc-shaped guide rail and is movably engaged. The utility model is through rust removal mechanism, the position of multiple sand blasting heads can be adjusted quickly, so that it forms operation array matched with the outer contour of foundry parts, can be quickly unlocked and locked by pulling and loosening, can quickly adapt to foundry parts of different shapes, improve work efficiency.
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Description

Technical Field

[0001] This utility model belongs to the field of casting technology, specifically relating to a grinding device for casting. Background Technology

[0002] Castings are industrial parts manufactured using liquid metal forming technology. The production process involves injecting a specific alloy into a mold with a pre-set cavity while it is in a molten state. After cooling and solidification, the geometry of the mold is precisely replicated to form a metal product. These metal products can be of standard or irregular shapes. However, castings are usually not sold immediately after production, but are stored in warehouses. During this period, due to contact with air, rust spots are easily formed on the surface of the castings. Therefore, before being sold, they must be cleaned using specialized rust removal equipment.

[0003] Currently, when dealing with the surface treatment of irregularly shaped castings, a multi-sandblasting head collaborative operation mode is commonly used. However, the sandblasting unit is usually rigidly fixed to the guide rail by bolt pairs. When switching the processing object, it is necessary to perform step-by-step operations such as bolt disassembly, position adjustment and re-tightening in sequence, which increases the time consumption of each adjustment. The existing sandblasting head usually uses bolt fastening, which requires unscrewing first and then adjusting the position of the sandblasting head, which significantly reduces efficiency. Utility Model Content

[0004] In view of this, the present invention provides a grinding device for casting, which can quickly adjust the position of multiple sandblasting heads through a rust removal mechanism, thereby forming a working array that matches the outer contour of the casting. It can be quickly unlocked and locked with a pull and release, and can be quickly adapted to castings of different shapes, thus improving work efficiency.

[0005] To solve the above-mentioned technical problems, this utility model provides a grinding device for casting, including a mounting frame and a rust removal mechanism disposed therein. The rust removal mechanism is used to remove rust from the surface of the casting. The rust removal mechanism includes multiple arc-shaped guide rails disposed in the mounting frame, and multiple sliding blocks are slidably connected to each arc-shaped guide rail. Each sliding block is provided with a sandblasting head on its inner end, which can quickly adjust the position of the multiple sandblasting heads to form a working array that matches the outer contour of the casting. It can be quickly unlocked and locked by pulling and releasing, and can quickly adapt to castings of different shapes, thus improving work efficiency.

[0006] The rust removal mechanism also includes U-shaped plates respectively set at the outer ends of the sliding block. Limiting toothed plates are slidably connected to each U-shaped plate. The outer arc surface of the arc guide rail is provided with evenly distributed toothed grooves. The limiting toothed plates are movably engaged with the toothed grooves located on the same arc guide rail, thereby achieving precise positioning of the spatial coordinates of the sandblasting head. It can be quickly unlocked and locked by pulling and releasing.

[0007] The rust removal mechanism also includes circular grooves on both sides of the inner wall of the U-shaped plate. Each circular groove is equipped with a spring. The inner ends of the limiting tooth plate are fixedly connected to the inner ends of the adjacent springs on the same side, thus ensuring that the limiting tooth plate can be reset.

[0008] The rust removal mechanism also includes operating rods located on both sides of the outer end of the limiting tooth plate, which facilitates the operation of the limiting tooth plate by the operator.

[0009] The upper part of the inlet and outlet of the mounting frame is equipped with evenly distributed curtains, which can play a role in preventing splashing.

[0010] The mounting bracket has multiple observation windows on both sides, allowing operators to visually observe the rust removal process of the castings.

[0011] The bottom sides of the mounting bracket are both inclined downwards from the inside, which can guide and transport the sandblasting material and the removed rust residue.

[0012] The beneficial effects of the above-mentioned technical solution of this utility model are as follows:

[0013] 1. First, the mounting bracket and its auxiliary mechanisms are fixedly installed on the transfer line of the casting. Then, according to the shape of the casting, the operator pulls the limiting tooth plate outward through the operating lever. At this time, the limiting tooth plate moves outward against the spring force, thereby separating the limiting tooth plate from the tooth groove. Then, the operating lever drives the sliding block and its auxiliary mechanisms to slide freely along the curved surface trajectory of the arc guide rail until the sandblasting head moves into place. After that, the operating lever is released, and the operating lever and the limiting tooth plate immediately reset under the action of the spring force, so that they re-engage and lock with the corresponding tooth groove, realizing the precise positioning of the spatial coordinates of the sandblasting head. Then, the remaining sandblasting heads are moved into place, and finally, the multiple sandblasting heads form a working array that matches the outer contour of the casting. It can be quickly unlocked and locked with a pull and release, which can quickly adapt to castings of different shapes and improve work efficiency.

[0014] 2. The inclined design at the bottom of the mounting frame can guide and transport the sandblasting material and rust residue.

[0015] 3. The curtain can prevent splashing, and the double observation windows allow operators to directly observe the rust removal process of the castings. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of a grinding device for casting according to the present invention;

[0017] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0018] Figure 3 This is a partial cross-sectional view of the present invention.

[0019] Figure 4 This is an enlarged structural diagram of point A of this utility model.

[0020] Explanation of reference numerals in the attached drawings: 100, mounting bracket; 200, arc-shaped guide rail; 201, sliding block; 202, sandblasting head; 203, U-shaped plate; 204, limiting tooth plate; 205, tooth groove; 206, circular groove; 207, spring; 208, operating lever; 300, curtain; 400, observation window. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the following will be described in conjunction with the accompanying drawings of the embodiments of this utility model. Figure 1-4 The technical solutions of the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model are within the protection scope of this utility model.

[0022] This embodiment provides a grinding device for casting, such as... Figure 1-4 As shown: It includes a mounting frame 100 and a rust removal mechanism disposed therein. The rust removal mechanism is used to remove rust from the surface of the casting. The rust removal mechanism includes multiple arc-shaped guide rails 200 disposed within the mounting frame 100. Multiple sliding blocks 201 are slidably connected to each arc-shaped guide rail 200. Each sliding block 201 has a sandblasting head 202 on its inner end.

[0023] The mounting bracket 100 and its auxiliary mechanisms are fixedly installed on the transfer line of the casting. Then, according to the shape of the casting, the operator drives the sliding block 201 and its auxiliary mechanisms to slide freely along the curved surface trajectory of the arc guide rail 200 until the sandblasting head 202 moves into place. Then, the remaining sandblasting heads 202 are all moved into place, so that the multiple sandblasting heads 202 form a working array that matches the outer contour of the casting. This can quickly adapt to castings of different shapes and improve work efficiency.

[0024] like Figure 1-4 As shown, the rust removal mechanism also includes U-shaped plates 203 respectively disposed at the outer ends of the sliding block 201. Limiting toothed plates 204 are slidably connected to each U-shaped plate 203. The outer arc surface of the arc guide rail 200 is provided with uniformly distributed toothed grooves 205. The limiting toothed plates 204 are movably engaged with the toothed grooves 205 located on the same arc guide rail 200.

[0025] The operator pulls the limiting tooth plate 204 outward, thereby separating the limiting tooth plate 204 from the tooth groove 205. Then, the sliding block 201 and its auxiliary mechanism are driven to slide freely along the curved surface trajectory of the arc guide rail 200 until the sandblasting head 202 moves into place. Then, the limiting tooth plate 204 is reset, so that it re-engages and locks with the corresponding tooth groove 205, realizing the precise positioning of the spatial coordinates of the sandblasting head. It can be quickly unlocked and locked with a pull and release.

[0026] like Figure 1-4 As shown, the rust removal mechanism also includes circular grooves 206 respectively disposed on both sides of the inner wall of the U-shaped plate 203. Each circular groove 206 is provided with a spring 207. The inner ends of the limiting tooth plate 204 are fixedly connected to the inner ends of the adjacent springs 207 on the same side. The springs 207 provide elastic force for the limiting tooth plate 204 and its auxiliary mechanism to ensure that the limiting tooth plate 204 can be reset.

[0027] like Figure 1-4 As shown, the rust removal mechanism also includes operating rods 208 respectively disposed on both sides of the outer end of the limiting tooth plate 204. The design of the operating rods 208 facilitates the operation of the limiting tooth plate 204 by the operator.

[0028] like Figure 1-4 As shown, the upper ends of the inlet and outlet of the mounting bracket 100 are provided with evenly distributed curtains 300, which can play a role in preventing splashing.

[0029] like Figure 1-4 As shown, the mounting bracket 100 has multiple observation windows 400 on both sides, and the double observation windows 400 make it easy for operators to observe the rust removal process of the castings intuitively.

[0030] like Figure 1-4 As shown, both sides of the bottom of the mounting bracket 100 are inclined downwards from the inside. The inclined design of the bottom of the mounting bracket 100 can guide and transport the sandblasting material and the removed rust residue.

[0031] The working principle of the grinding device for casting provided by this utility model is as follows: First, the mounting bracket 100 and its auxiliary mechanism are fixedly installed on the transfer line of the casting. Then, according to the shape of the casting, the operator pulls the limiting tooth plate 204 outward through the operating rod 208. At this time, the limiting tooth plate 204 overcomes the elastic force of the spring 207 and moves outward, thereby separating the limiting tooth plate 204 from the tooth groove 205. Then, the operating rod 208 drives the sliding block 201 and its auxiliary mechanism to slide freely along the curved surface trajectory of the arc guide rail 200 until the sandblasting head 202 moves into place. Then, the operating rod 208 is released, and the operating rod 208 and the limiting tooth plate 205 are separated. The four heads immediately reset under the rebound force of the spring 207, re-engaging and locking with the corresponding tooth groove 205, achieving precise positioning of the sandblasting head's spatial coordinates. Then, the remaining sandblasting heads 202 are moved into position, ultimately forming a working array that matches the outer contour of the casting. They can be quickly unlocked and locked with a simple pull and release, quickly adapting to castings of different shapes and improving work efficiency. The inclined design at the bottom of the mounting bracket 100 guides and transmits the sandblasting material and rust residue, while the curtain 300 prevents splashing. The double-sided observation windows 400 allow operators to directly observe the rust removal process of the casting.

[0032] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A grinding device for casting, characterized in that: The device includes a mounting frame (100) and a rust removal mechanism disposed therein. The rust removal mechanism is used to remove rust from the surface of the casting. The rust removal mechanism includes multiple arc-shaped guide rails (200) disposed within the mounting frame (100). Multiple sliding blocks (201) are slidably connected to each arc-shaped guide rail (200). Each sliding block (201) has a sandblasting head (202) on its inner end.

2. The grinding device for casting as described in claim 1, characterized in that: The rust removal mechanism also includes U-shaped plates (203) respectively disposed at the outer ends of the sliding block (201). Each U-shaped plate (203) is slidably connected to a limiting tooth plate (204). The outer arc surface of the arc guide rail (200) is provided with uniformly distributed tooth grooves (205). The limiting tooth plate (204) is movably engaged with the tooth grooves (205) located on the same arc guide rail (200).

3. The grinding device for casting as described in claim 2, characterized in that: The rust removal mechanism also includes circular grooves (206) respectively provided on both sides of the inner wall of the U-shaped plate (203). Each circular groove (206) is provided with a spring (207). The inner ends of the limiting tooth plate (204) are fixedly connected to the inner ends of the adjacent springs (207) on the same side.

4. A grinding device for casting as described in claim 2, characterized in that: The rust removal mechanism also includes operating rods (208) respectively disposed on both sides of the outer end of the limiting toothed plate (204).

5. A grinding device for casting as described in claim 1, characterized in that: The upper ends of the inlet and outlet of the mounting bracket (100) are each provided with evenly distributed curtains (300).

6. The grinding device for casting as described in claim 1, characterized in that: The mounting bracket (100) has multiple observation windows (400) on both sides.

7. A grinding device for casting as described in claim 1, characterized in that: The bottom sides of the mounting bracket (100) are both inclined downwards from the inside.