Polishing device for spherical casting

Abstract

The utility model discloses a spherical casting polishing device which comprises a working table, a lifting structure is fixedly connected to one end of the top of the working table, a polishing structure is arranged in the lifting structure, a placing table is fixedly connected to the top of the working table, a tray is fixedly connected to the top of the placing table, and a first movable groove is formed in the top of the working table. The first movable grooves are formed in the periphery of the containing table and communicate with one another, positioning structures are slidably connected into the first movable grooves, driving structures are fixedly connected to the tops of the positioning structures, and supporting legs are fixedly connected to the four corners of the bottom of the workbench. Compared with the prior art, the polishing structure has the advantages that a polishing cavity is formed between the two polishing plates when the two polishing plates are attached to each other, the polishing cavity wraps two thirds of the outer portion of a spherical casting, the spherical casting can be better polished, and meanwhile the phenomenon that chippings splash during polishing can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of casting grinding, in particular to a grinding device for spherical castings. Background Art

[0002] Spherical castings refer to metal spherical objects obtained by various casting methods, that is, the smelted liquid metal is poured, injected, sucked or other casting methods into a pre-prepared spherical mold, and then cooled and polished to obtain a spherical object with a certain size and performance. At present, spherical castings are placed in the drum of a sand screening machine for polishing in batches after casting, but there are still a few spherical castings that have fleshy parts and protruding casting mouths during casting, making the surface of the spherical castings rough and uneven in shape. At this time, these few spherical castings will not be easily polished flat by the drum.

[0003] The existing grinding device for spherical castings has the following disadvantages: the waste residues and debris generated during the grinding process of the spherical castings are easily splashed onto the skin or even the face of the workers, which cannot ensure the safety of the workers and has certain safety hazards. In addition, the existing device for grinding spherical castings requires the spherical casting to be removed and re-clamped every time the grinding position needs to be adjusted during the grinding of the spherical castings, which is cumbersome and needs to be improved. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a grinding device for spherical castings.

[0005] In order to solve the above problems, the technical solution of the utility model is: a grinding device for spherical castings, comprising a workbench, one end of the top of the workbench is fixedly connected to a lifting structure, a grinding structure is provided in the lifting structure, the top of the workbench is fixedly connected to a placing table, the top of the placing table is fixedly connected to a tray, the top of the workbench is provided with a movable groove one, the movable groove one is located around the placing table, the movable grooves one are interconnected, a positioning structure is slidably connected inside the movable groove one, the top of the positioning structure is fixedly connected to a driving structure, and the four corners of the bottom of the workbench are fixedly connected to support legs.

[0006] Furthermore, the lifting structure includes a fixed column, the bottom of which is fixedly connected to one end of the top of the workbench, and a mounting groove is provided on the side of the fixed column close to the placement table. A threaded rod is rotatably connected inside the mounting groove, and a motor is fixedly connected to the bottom of the fixed column. The output shaft of the motor is fixedly connected to the bottom of the threaded rod, and the threaded rod is externally threadedly connected to a movable rod.

[0007] Furthermore, the grinding structure includes a connecting rod, which is rotatably connected to the bottom of one end of the movable rod away from the fixed column, the movable rod is fixedly connected to motor 2 near the top of one end of the connecting rod, the output shaft of motor 2 is fixedly connected to the top of the connecting rod, the bottom of the connecting rod is fixedly connected to a mounting plate, the top of the mounting plate is provided with a movable groove 2, a two-way threaded rod is rotatably connected inside the movable groove 2, both ends of the two-way threaded rod are threadedly connected to movable block 1, the bottom of the movable block 1 is fixedly connected to a grinding plate, the two grinding plates are close to each other with an arc edge, one end of the mounting plate is fixedly connected to motor 3, and the output shaft of motor 3 is fixedly connected to one end of the two-way threaded rod.

[0008] Further, the positioning structure includes a gear plate 1, which is rotatably connected to the intersection of a movable groove 1, and a plurality of gear plates 2 are meshed and connected to the top of the gear plate 1, and the number of the gear plates 2 is the same as the movable groove 1. A threaded rod 2 is fixedly connected to the side of the gear plate 2 away from the gear plate 1, and an end of the threaded rod 2 away from the gear plate 2 is rotatably connected to an end of a movable groove, and the external thread of the threaded rod 2 is connected to a movable block 2, and a motor 4 is fixedly connected to the top of the workbench 1, and the output shaft of the motor 4 is fixedly connected to the gear plate 1.

[0009] Furthermore, the driving structure includes a motor five, the motor five is fixedly connected to the top of the movable block two, the output shaft of the motor five faces the placement table, the output shaft of the motor five is fixedly connected to a fixed cylinder, a spring is fixedly connected inside the fixed cylinder, a push rod is inserted into the open end of the fixed cylinder, one end of the push rod is fixedly connected to the spring, and the other end of the push rod is fixedly connected to a rotating disk, and the rotating disk has an arc-shaped surface at one end away from the push rod.

[0010] Compared with the existing technology, the advantages of the utility model are: when the motor five in the driving structure drives the fixed cylinder to rotate, the rotating disk drives the spherical casting to rotate irregularly, and the grinding structure cooperates to grind the spherical casting in all directions. The volume of the spherical casting will change during the grinding process. The support of the top rod by the spring can make the rotating disk always contact with the surface of the spherical casting, thereby ensuring the stability of the spherical casting during the grinding process. In the grinding structure, when the two grinding plates are fitted together, a grinding cavity is formed between them, and the grinding cavity wraps two-thirds of the outer area of ​​the spherical casting, so that the spherical casting can be better polished and at the same time, it can be placed in a place where debris splashing occurs during grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 The utility model discloses a structural diagram of a grinding device for spherical castings.

[0012] Figure 2 The utility model is a diagram showing the internal structure of a grinding device for spherical castings.

[0013] Figure 3 The utility model is a grinding device for spherical castings Figure 2 Enlarged view of point A in the middle.

[0014] Figure 4 The utility model is a structural diagram of a driving structure of a grinding device for spherical castings.

[0015] As shown in the figure: 1. Workbench; 2. Lifting structure; 201. Fixed column; 202. Mounting slot; 203. Threaded rod 1; 204. Motor 1; 205. Movable rod; 3. Grinding structure; 301. Connecting rod; 302. Motor 2; 303. Mounting plate; 304. Movable slot 2; 305. Bidirectional threaded rod; 306. Movable block 1; 307. Grinding plate; 308. Motor 3; 4. Placement table; 5. Tray; 6. Movable slot 1; 7. Positioning structure; 701. Gear plate 1; 702. Gear plate 2; 703. Threaded rod 2; 704. Movable block 2; 705. Motor 4; 8. Driving structure; 801. Motor 5; 802. Fixed cylinder; 803. Spring; 804. Push rod; 805. Rotating disk; 9. Support leg. DETAILED DESCRIPTION

[0016] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings, wherein the same parts are represented by the same reference numerals.

[0017] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0018] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0019] like Figures 1 to 4As shown, a grinding device for spherical castings comprises a workbench 1, one end of the top of the workbench 1 is fixedly connected to a lifting structure 2, the lifting structure 2 comprises a fixed column 201, the fixed column 201 is fixedly connected to one end of the top of the workbench 1 as a basic fixing part of the lifting structure 2, a mounting groove 202 is provided on the side of the fixed column 201 close to the placement table 4, a threaded rod 203 is rotatably connected inside the mounting groove 202, the threaded rod 203 rotates in the mounting groove 202, a motor 204 is fixedly connected to the bottom of the threaded rod 203, the threaded rod 203 is externally threadedly connected to a movable rod 205, the threaded rod 203 is driven to rotate by the motor 204, the movable rod 205 connected to the threaded structure of the threaded rod 203 can be lifted and lowered along the threaded rod 203, and then the grinding structure 8 is driven and lifted, which is more convenient for taking the spherical castings;

[0020] The lifting structure 2 is provided with a grinding structure 3, which includes a connecting rod 301, which is rotatably connected to the bottom of the end of the movable rod 205 away from the fixed column 201, and the movable rod 205 is fixedly connected to the top of the end of the connecting rod 301 with a motor 2 302, and the output shaft of the motor 2 302 is fixedly connected to the top of the connecting rod 301. The connecting rod 301 is driven by the motor 2 302 to rotate other components in the grinding structure 3, and the bottom of the connecting rod 301 is fixedly connected to a mounting plate 303, and a movable groove 2 304 is provided on the top of the mounting plate 303. A bidirectional threaded rod 305 is rotatably connected inside the movable groove 204, and one end of the mounting plate 303 is fixedly connected to a motor 3 308. The motor 3 The output shaft 308 is fixedly connected to one end of the bidirectional threaded rod 305, and the bidirectional threaded rod 305 is driven by the motor 2 308 to rotate in the movable groove 2 304. Both ends of the bidirectional threaded rod 305 are threadedly connected with movable blocks 1 306. When the bidirectional threaded rod 305 rotates, the movable block 1 306 is driven to move in the opposite or relative directions. A grinding plate 307 is fixedly connected to the bottom of the movable block 1 306. The two grinding plates 307 are close to each other on one side with an arc edge. The movable block 1 306 drives the two grinding plates 307 to move. When the two grinding plates 307 are attached to each other, a grinding cavity is formed between them. The grinding cavity covers two-thirds of the outer area of ​​the spherical casting, which can better grind the spherical casting.

[0021] A placing table 4 is fixedly connected to the top of the workbench 1, and the placing table 4 is used to place the spherical casting. Support legs 9 are fixedly connected to the four corners of the bottom of the workbench 1, and the workbench 1 is supported by the support legs 9, and the workbench 1 is kept stable. A tray 5 is fixedly connected to the top of the placing table 4. The tray 5 and the base surface of the spherical casting are arc-shaped, which can better fit the spherical casting and make the placement of the spherical casting more stable. A movable groove 6 is opened on the top of the workbench 1. The movable groove 6 is located around the placing table 4. A positioning structure 7 is slidably connected inside the movable groove 6. The positioning structure 7 includes a gear plate 701. A motor 4 705 is fixedly connected to the top of the workbench 1. The output shaft of the motor 4 705 is fixedly connected to the gear plate 701. The gear plate 701 can be driven by the motor 4 705, and the gear plate 701 rotates to connect Connected to the intersection of the movable groove 1 6, the top of the gear plate 1 701 is meshed with a plurality of gear plates 2 702, and when the gear plate 1 701 rotates, the plurality of gear plates 2 702 on the top are driven to rotate. The number of gear plates 2 702 is the same as the movable groove 1 6. The side of the gear plate 2 702 away from the gear plate 1 701 is fixedly connected with a threaded rod 2 703, and the end of the threaded rod 2 703 away from the gear plate 2 702 is rotatably connected to the end of the movable groove 1 6. The rotation of the gear plate 2 702 drives the threaded rod 2 703 to rotate in the movable groove 1 6. The outer thread of the threaded rod 2 703 is threadedly connected with a movable block 2 704. The rotation of the threaded rod 2 702 drives the movable block 2 704 outside the threaded rod 2 703 to move, thereby driving the driving structure 8 to move, and the motor 4 705 stops working to position the driving structure 8;

[0022] The top of the positioning structure 7 is fixedly connected with a driving structure 8, and the driving structure 8 includes a motor 5 801, which is fixedly connected to the top of the movable block 2 704. The motor 5 801 is placed obliquely, and the output shaft of the motor 5 801 faces the placement table 4 and is the highest point. The output shaft of the motor 5 801 is fixedly connected with a fixed cylinder 802, and a spring 803 is fixedly connected inside the fixed cylinder 802. A push rod 804 is inserted into the open end of the fixed cylinder 802, and one end of the push rod 804 is fixedly connected to the spring 803. The push rod 804 is supported by the spring 803, so that the push rod 80 4 is in full contact with the spherical casting, and the other end of the top rod 804 is fixedly connected with a rotating disk 805, and the end of the rotating disk 805 away from the top rod 804 is an arc surface. When the motor 5 801 drives the fixed cylinder 802 to rotate, the spherical casting is driven by the rotating disk 805 to rotate irregularly, and the spherical casting is polished in all directions in cooperation with the polishing structure 7. The volume of the spherical casting will change during the polishing process. The spring 803 supports the top rod 804 so that the rotating disk 805 can always be in contact with the surface of the spherical casting, thereby ensuring the stability of the spherical casting during the polishing process;

[0023] In specific use:

[0024] When in use, first place the spherical casting on the placing table 4, start the motor 4 705, and drive the gear plate 1 701 to rotate through the motor 4 705, and then drive the gear plate 2 702, so that the gear plate 2 702 drives the threaded rod 2 703 to rotate, and at the same time drives the movable block 2 704 on the threaded rod 2 703 to drive the motor 5 801 to approach and clamp the spherical casting. When the motor 5 801 drives the fixed cylinder 802 to rotate, the spherical casting is driven to rotate irregularly through the rotating disk 805, and the spherical casting is polished in all directions in cooperation with the polishing structure 7. The volume of the spherical casting will change during the polishing process, and the spring 8 03 Supporting the top rod 804 can make the rotating disk 805 always in contact with the surface of the spherical casting, ensuring the stability of the spherical casting during the grinding process, starting the motor 204, and driving the threaded rod 203 through the motor 204 to drive the movable rod 205 to descend and then drive the grinding structure 3 to approach the spherical casting. When the spherical casting enters the grinding plate 307, starting the motor 308, and driving the bidirectional threaded rod 305 through the motor 308 to drive the two grinding plates 307 to approach the spherical casting and wrap the spherical casting, and driving the connecting rod 301 to rotate through the motor 2 302 to grind the spherical casting.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0027] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A grinding device for spherical castings, characterized in that: The invention comprises a workbench (1), wherein one end of the top of the workbench (1) is fixedly connected to a lifting structure (2), wherein a grinding structure (3) is arranged in the lifting structure (2), wherein the top of the workbench (1) is fixedly connected to a placing table (4), wherein the top of the placing table (4) is fixedly connected to a tray (5), wherein the top of the workbench (1) is provided with a movable groove (6), wherein the movable groove (6) is located around the placing table (4), wherein the movable grooves (6) are interconnected, wherein a positioning structure (7) is slidably connected inside the movable groove (6), wherein the top of the positioning structure (7) is fixedly connected to a driving structure (8), and wherein the four corners of the bottom of the workbench (1) are fixedly connected to supporting legs (9).

2. A grinding device for spherical castings according to claim 1, characterized in that: The lifting structure (2) comprises a fixed column (201), the bottom of the fixed column (201) is fixedly connected to one end of the top of the workbench (1), a mounting groove (202) is provided on the side of the fixed column (201) close to the placement platform (4), a threaded rod (203) is rotatably connected inside the mounting groove (202), a motor (204) is fixedly connected to the bottom of the fixed column (201), an output shaft of the motor (204) is fixedly connected to the bottom of the threaded rod (203), and a movable rod (205) is threadedly connected to the outside of the threaded rod (203).

3. A grinding device for spherical castings according to claim 1, characterized in that: The grinding structure (3) comprises a connecting rod (301), wherein the connecting rod (301) is rotatably connected to the bottom of one end of the movable rod (205) away from the fixed column (201), and the top of the movable rod (205) close to one end of the connecting rod (301) is fixedly connected to the second motor (302), and the output shaft of the second motor (302) is fixedly connected to the top of the connecting rod (301), and the bottom of the connecting rod (301) is fixedly connected to the mounting plate (303), and the top of the mounting plate (303) is provided with a movable groove ( 304), a bidirectional threaded rod (305) is rotatably connected inside the movable groove 2 (304), both ends of the bidirectional threaded rod (305) are threadedly connected to a movable block 1 (306), a grinding plate (307) is fixedly connected to the bottom of the movable block 1 (306), and one side of the two grinding plates (307) close to each other is an arc-shaped edge, one end of the mounting plate (303) is fixedly connected to a motor 3 (308), and the output shaft of the motor 3 (308) is fixedly connected to one end of the bidirectional threaded rod (305).

4. A grinding device for spherical castings according to claim 1, characterized in that: The positioning structure (7) comprises a gear plate 1 (701), wherein the gear plate 1 (701) is rotatably connected to the intersection of the movable groove 1 (6), and the top of the gear plate 1 (701) is meshedly connected with a plurality of gear plates 2 (702), wherein the number of the gear plates 2 (702) is the same as the number of the movable groove 1 (6), and the side of the gear plate 2 (702) away from the gear plate 1 (701) is fixedly connected with a threaded rod 2 (703), and the end of the threaded rod 2 (703) away from the gear plate 2 (702) is rotatably connected to the end of the movable groove 1 (6), and the external thread of the threaded rod 2 (703) is connected with a movable block 2 (704), and the top of the workbench (1) is fixedly connected with a motor 4 (705), and the output shaft of the motor 4 (705) is fixedly connected to the gear plate 1 (701).

5. A grinding device for spherical castings according to claim 1, characterized in that: The driving structure (8) comprises a motor five (801), wherein the motor five (801) is fixedly connected to the top of the movable block two (704), the output shaft of the motor five (801) faces the placement table (4), the output shaft of the motor five (801) is fixedly connected to a fixed cylinder (802), a spring (803) is fixedly connected inside the fixed cylinder (802), a push rod (804) is inserted inside the open end of the fixed cylinder (802), one end of the push rod (804) is fixedly connected to the spring (803), and the other end of the push rod (804) is fixedly connected to a rotating disk (805), and the end of the rotating disk (805) away from the push rod (804) is an arc-shaped surface.

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