Casting grinding device
By designing a casting grinding device, the simultaneous grinding of two end faces is achieved by using the cooperation of a sliding plate and a pressure plate, which solves the problems of low grinding efficiency and poor safety of castings, improves work efficiency and enhances safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NO 119PROSPECTING TEAM OF CHINA NAT ADMINISTRATION OF COAL LIEOLOGG
- Filing Date
- 2025-03-17
- Publication Date
- 2026-04-24
AI Technical Summary
In the current casting industry, grinding castings is inefficient and unsafe, and manual grinding can easily cause arm injuries.
Design a grinding device for castings, comprising two parallel grinding wheels, a sliding plate and a pressure plate. Through the cooperation of the sliding plate and the pressure plate, two end faces can be ground simultaneously, improving efficiency and enhancing safety.
It improves the grinding efficiency of castings, ensures the safety of the operation process, and reduces injuries caused by manual operation.
Smart Images

Figure CN224158167U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of casting grinding technology, and in particular relates to a casting grinding device. Background Technology
[0002] Lost molds are widely used in the foundry industry. They are made by melting and vaporizing the lost mold with molten iron at high temperature. After the molten iron cools, a casting identical to the mold is formed. The surface finish of the casting has a great impact on its quality.
[0003] The current polishing method involves operators using power tools to polish the outer surface of the mold. This method can only polish one end face at a time, resulting in low work efficiency. Furthermore, the hand-held polishing tools can easily scratch the arm during the polishing process, making it impossible to guarantee the safety of the work. Utility Model Content
[0004] In view of this, the present invention aims to provide a grinding device for castings, in order to solve at least one of the above-mentioned technical problems.
[0005] To achieve the above objectives, the technical solution of this utility model is implemented as follows:
[0006] A grinding device for castings, comprising:
[0007] The grinding wheel has two grinding wheels arranged in parallel, forming a grinding position between them, and the grinding wheel is rotatably connected to the frame;
[0008] A guide rail, located at the bottom end of the grinding position;
[0009] A sliding plate, wherein a slider is fixedly provided at the bottom end of the sliding plate, the slider is movably connected to the guide rail, the upper surface of the sliding plate is used to place the workpiece to be polished between two polishing wheels, and a vertical plate is fixedly provided at one end of the sliding plate to limit the workpiece to be polished.
[0010] Furthermore, the grinding wheel is detachably connected to the rotating shaft, the rotating shaft is rotatably connected to the bearing housing via a bearing, the bearing housing is fixedly connected to the frame, and the rotating shaft is correspondingly provided with a drive assembly for driving the rotating shaft to rotate.
[0011] Furthermore, the drive component is a motor, the motor housing is fixedly connected to the frame, the output shaft of the motor is fixedly provided with a drive pulley, and the end of the rotating shaft away from the grinding wheel is fixedly provided with a driven pulley. The drive pulley is connected to the driven pulley through a belt.
[0012] Furthermore, the sliding plate is provided with a pressure plate, which is movably connected to the sliding plate in the vertical direction.
[0013] Furthermore, a guide tube is fixedly provided on the pressure plate, and a guide post is fixedly provided on the sliding plate. The guide post is installed on the outside of the guide tube, and there are two guide posts. The upper ends of the two guide posts are fixedly connected by a horizontal plate.
[0014] Furthermore, the workpiece to be polished is a square tube structure, and a lower positioning plate is fixed on the upper surface of the sliding plate. There are two lower positioning plates, one of which has a length that matches the width of the inner side of the square tube, and the other of which has a length that matches the length of the inner side of the square tube.
[0015] The upper edge of the lower positioning plate near the inner side of the square tube has a chamfered structure.
[0016] Furthermore, an upper positioning plate is fixed on the lower end face of the pressure plate. There are two upper positioning plates. The length of one upper positioning plate matches the width of the inner side of the square tube, and the length of the other upper positioning plate matches the length of the inner side of the square tube.
[0017] The lower edge of the upper positioning plate near the inner side of the square tube has a chamfered structure.
[0018] Furthermore, a pin is fixedly provided on the lower end face of the pressure plate, and a receiving pipe is fixedly provided on the sliding plate, with the pin installed on the inner side of the receiving pipe.
[0019] Furthermore, a vertical plate is fixed to one end of the pressure plate near the vertical plate, and a limit hole is opened on the vertical plate;
[0020] Two limiting plates are fixed on the upright plate, and the upright plate is located between the two limiting plates. The limiting plate has a limiting hole two corresponding to the limiting hole one. A limiting pin is provided in the limiting hole two, and the limiting pin passes through the limiting hole one and the limiting hole two.
[0021] Furthermore, a sleeve is fixed on the end face of one of the limiting plates away from the vertical plate. The sleeve corresponds to the second limiting hole. A handle is fixed on one end of the limiting pin. The diameter of the handle is larger than the diameter of the limiting pin. The limiting pin passes through the second limiting hole and is located inside the sleeve.
[0022] Compared with the prior art, the casting grinding device of this utility model has the following advantages:
[0023] The casting grinding device described in this utility model can grind two end faces at once, which improves work efficiency compared with traditional manual grinding. Moreover, the operation process can be improved by simply moving the sliding plate, thus improving the safety of the operation process. Attached Figure Description
[0024] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:
[0025] Figure 1 This is a three-dimensional structural diagram of the device described in an embodiment of the present utility model;
[0026] Figure 2 This is a first-view perspective three-dimensional diagram illustrating the installation of the sliding plate and pressure plate according to an embodiment of the present invention.
[0027] Figure 3 This is a second-view perspective three-dimensional diagram illustrating the installation of the sliding plate and pressure plate according to an embodiment of the present invention.
[0028] Figure 4 This is a three-dimensional structural diagram of the sliding plate described in an embodiment of the present utility model;
[0029] Figure 5 This is a schematic diagram of the three-dimensional structure of the pressure plate according to an embodiment of the present utility model;
[0030] Figure 6 This is a three-dimensional structural diagram of the handle according to an embodiment of the present utility model.
[0031] Explanation of reference numerals in the attached figures:
[0032] 1. Frame; 2. Bearing seat; 3. Motor; 4. Grinding wheel; 5. Sliding plate; 6. Pressure plate; 7. Workpiece to be ground; 8. Handle; 501. Slider; 502. Guide post; 503. Vertical plate; 504. Horizontal plate; 505. Lower positioning plate; 506. Receiving pipe; 507. Limiting plate; 508. Sleeve; 509. Limiting hole two; 601. Guide tube; 602. Vertical plate; 603. Limiting hole one; 604. Upper positioning plate; 605. Insert post; 801. Limiting pin. Detailed Implementation
[0033] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0034] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0035] In the description of this utility model, it should be noted that, 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 based on the specific circumstances.
[0036] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0037] like Figures 1 to 6 As shown, a casting grinding device includes:
[0038] Grinding wheels 4, there are two grinding wheels 4, the two grinding wheels 4 are arranged in parallel, and a grinding position is formed between the two grinding wheels 4. The grinding wheels 4 are rotatably connected to the frame 1; guide rail, the guide rail is located at the bottom end of the grinding position; sliding plate 5, the bottom end of the sliding plate 5 is fixed with a slider 501, the slider 501 is movably connected to the guide rail, the sliding plate 5 is located between the two grinding wheels 4, the upper end surface of the sliding plate 5 is used to place the workpiece 7 to be ground, and one end of the sliding plate 5 is fixed with a vertical plate 503 to limit the workpiece 7 to be ground.
[0039] The grinding wheel 4 is detachably connected to the rotating shaft. The rotating shaft is rotatably connected to the bearing housing 2 via a bearing. The bearing housing 2 is fixedly connected to the frame 1. The rotating shaft is equipped with a drive assembly for driving its rotation. The drive assembly is a motor 3. The housing of the motor 3 is fixedly connected to the frame 1. The output shaft of the motor 3 is fixedly equipped with a drive pulley, and the end of the rotating shaft away from the grinding wheel 4 is fixedly equipped with a driven pulley. The drive pulley is connected to the driven pulley via a belt. In some embodiments, the output shaft of the motor 3 is directly connected to the rotating shaft via a coupling.
[0040] A pressure plate 6 is correspondingly provided on the sliding plate 5, and the pressure plate 6 is movably connected to the sliding plate 5 in the vertical direction. A guide tube 601 is fixedly provided on the pressure plate 6, and a guide post 502 is fixedly provided on the sliding plate 5. The guide post 502 is installed on the outside of the guide tube 601, and there are two guide posts 502. The upper ends of the two guide posts 502 are fixedly connected by a horizontal plate 504. The cooperation between the guide post 502 and the guide tube 601 makes the movement of the pressure plate 6 more stable, thereby improving the stability of the device during use.
[0041] The workpiece 7 to be ground is a square tube structure. Two lower positioning plates 505 are fixed to the upper surface of the sliding plate 5. These two lower positioning plates 505 are vertically arranged. The length of one lower positioning plate 505 matches the width of the inner side of the square tube, and the length of the other lower positioning plate 505 matches the length of the inner side of the square tube. The upper edge of the lower positioning plate 505 near the inner side of the square tube has a chamfered structure. The upper positioning plate 604 positions the workpiece 7 to be ground, ensuring the accuracy of the grinding wheel 4's grinding position and improving processing quality. The chamfered structure acts as a guide, facilitating the insertion of the lower positioning plate 505 into the inner side of the workpiece 7 to be ground.
[0042] Two upper positioning plates 604 are fixedly mounted on the lower end face of the pressure plate 6. These two upper positioning plates 604 are vertically arranged. The length of one upper positioning plate 604 matches the width of the inner side of the square tube, and the length of the other upper positioning plate 604 matches the length of the inner side of the square tube. The lower edge of the upper positioning plate 604 near the inner side of the square tube has a chamfered structure. The upper positioning plate 604 serves to position the workpiece 7 to be ground, ensuring the accuracy of the grinding position of the grinding wheel 4 and improving the processing quality. The chamfered structure also acts as a guide, facilitating the insertion of the upper positioning plate 604 into the inner side of the workpiece 7 to be ground.
[0043] A pin 605 is fixedly provided on the lower end face of the pressure plate 6, and a receiving pipe 506 is fixedly provided on the sliding plate 5. The pin 605 is installed on the inner side of the receiving pipe 506. The outer edge of the lower end of the pin 605 adopts a chamfered structure. The pin 605 and the receiving pipe 506 cooperate to position the pressure plate 6.
[0044] A vertical plate 602 is fixedly installed at one end of the pressure plate 6 near the vertical plate 503. A limiting hole 603 is opened on the vertical plate 602. Two limiting plates 507 are fixedly installed on the vertical plate 602, and the vertical plate 602 is located between the two limiting plates 507. A limiting hole 509 corresponding to the limiting hole 603 is opened on the limiting plate 507. A limiting pin 801 is provided in the limiting hole 509. The limiting pin 801 passes through the limiting hole 603 and the limiting hole 509. The limiting pin 801 plays a limiting role on the pressure plate 6. The pressure plate 6 plays a limiting role on the workpiece 7 to be ground to prevent it from shaking during the grinding process, thereby improving the safety of use.
[0045] One of the limiting plates 507 has a sleeve 508 fixed on its end face away from the vertical plate 602. The sleeve 508 corresponds to the second limiting hole 509. One end of the limiting pin 801 has a handle 8 fixed on it. The diameter of the handle 8 is larger than the diameter of the limiting pin 801. The limiting pin 801 passes through the second limiting hole 509 and is located inside the sleeve 508. The sleeve 508 and the handle 8 make it easy for the operator to hold and move the sliding plate 5.
[0046] Work process:
[0047] When implementing this solution, the part to be polished 7 is placed on the sliding plate 5, the lower positioning plate 505 is inserted into the inner side of the lower end of the part to be polished 7, then the pressure plate 6 is moved downward, the upper positioning plate 604 is inserted into the inner side of the upper end of the part to be polished 7, the insert 605 is inserted into the receiving pipe 506, and then the limiting pin 801 is inserted to limit the pressure plate 6. Then the sliding plate 5 is moved along the guide rail direction, and the two polishing wheels 4 polish the two end faces of the part to be polished 7. Compared with traditional manual polishing, two end faces can be polished at one time, which improves work efficiency. Moreover, the operation process only requires moving the sliding plate 5, which improves the safety of the work process.
[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.
[0049] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A grinding device for castings, characterized in that, include: Grinding wheel (4), the number of grinding wheels (4) is two, the two grinding wheels (4) are arranged in parallel, and a grinding position is formed between the two grinding wheels (4). The grinding wheel (4) is rotatably connected to the frame (1). A guide rail, located at the bottom end of the grinding position; A sliding plate (5) is provided with a slider (501) fixed at the bottom end of the sliding plate (5). The slider (501) is movably connected to the guide rail. The sliding plate (5) is located between two grinding wheels (4). The upper surface of the sliding plate (5) is used to place the workpiece (7) to be ground. A vertical plate (503) is fixed at one end of the sliding plate (5) to limit the workpiece (7) to be ground.
2. The casting grinding device according to claim 1, characterized in that: The grinding wheel (4) is detachably connected to the rotating shaft. The rotating shaft is rotatably connected to the bearing seat (2) through a bearing. The bearing seat (2) is fixedly connected to the frame (1). The rotating shaft is provided with a drive assembly to drive the rotating shaft to rotate.
3. The casting grinding device according to claim 2, characterized in that: The drive component is a motor (3). The housing of the motor (3) is fixedly connected to the frame (1). The output shaft of the motor (3) is fixedly provided with a drive pulley. The end of the rotating shaft away from the grinding wheel (4) is fixedly provided with a driven pulley. The drive pulley is connected to the driven pulley through a belt.
4. The casting grinding device according to claim 1, characterized in that: The sliding plate (5) is provided with a pressure plate (6), and the pressure plate (6) is movably connected to the sliding plate (5) in the vertical direction.
5. A casting grinding device according to claim 4, characterized in that: The pressure plate (6) is fixedly provided with a guide tube (601), and the sliding plate (5) is fixedly provided with a guide post (502). The guide post (502) is installed on the outside of the guide tube (601). There are two guide posts (502), and the upper ends of the two guide posts (502) are fixedly connected by a horizontal plate (504).
6. The casting grinding device according to claim 4, characterized in that: The workpiece to be polished (7) is a square tube structure. A lower positioning plate (505) is fixed on the upper surface of the sliding plate (5). There are two lower positioning plates (505). The length of one lower positioning plate (505) matches the width of the inner side of the square tube, and the length of the other lower positioning plate (505) matches the length of the inner side of the square tube. The upper edge of the lower positioning plate (505) near the inner side of the square tube is chamfered.
7. A casting grinding device according to claim 6, characterized in that: An upper positioning plate (604) is fixed on the lower end face of the pressure plate (6). There are two upper positioning plates (604). The length of one upper positioning plate (604) matches the width of the inner side of the square tube, and the length of the other upper positioning plate (604) matches the length of the inner side of the square tube. The lower edge of the upper positioning plate (604) near the inner side of the square tube is chamfered.
8. A casting grinding device according to claim 7, characterized in that: A pin (605) is fixedly provided on the lower end face of the pressure plate (6), and a receiving pipe (506) is fixedly provided on the sliding plate (5). The pin (605) is installed on the inner side of the receiving pipe (506).
9. A casting grinding device according to claim 4, characterized in that: The pressure plate (6) is fixed with a vertical plate (602) at one end near the vertical plate (503), and a limit hole (603) is opened on the vertical plate (602); Two limiting plates (507) are fixed on the upright plate (602). The upright plate (602) is located between the two limiting plates (507). The limiting plate (507) has a limiting hole (509) corresponding to the limiting hole one (603). A limiting pin (801) is provided in the limiting hole two (509). The limiting pin (801) passes through the limiting hole one (603) and the limiting hole two (509).
10. A casting grinding device according to claim 9, characterized in that: A sleeve (508) is fixed on the end face of one of the limiting plates (507) away from the vertical plate (602). The sleeve (508) corresponds to the second limiting hole (509). A handle (8) is fixed on one end of the limiting pin (801). The diameter of the handle (8) is larger than the diameter of the limiting pin (801). The limiting pin (801) passes through the second limiting hole (509) and is located inside the sleeve (508).