Casting polishing tool

Abstract

The utility model relates to the technical field of casting machining, in particular to a casting polishing tool which comprises a working table, a movable cavity is formed in the working table, mounting columns are arranged on the two sides of the top end of the working table, a moving mechanism is arranged in the movable cavity, fixing cylinders are arranged on the outer sides of the mounting columns, cavities are formed in the mounting columns, and the fixing cylinders are arranged in the cavities. Limiting grooves are formed in the two sides of the interior of the fixing cylinder, a fixing mechanism is arranged in the cavity, and a clamp is arranged on one side of the fixing cylinder. Through a second handle, a second screw rod, a movable column, a limiting column, a limiting block, a limiting rod, a spring and a limiting groove, the stability of fixture installation is improved, the fixture is convenient to replace so as to adapt to clamping and fixing of different castings, through a first handle, a first screw rod, the movable block, a fixed column and an installation column, the stability of casting fixing is improved, and the practicability is high. And after polishing is completed, the casting can be taken out conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of casting processing, in particular to a casting grinding tool. Background Art

[0002] Castings are metal shaped objects obtained by various casting methods, that is, the smelted liquid metal is poured into a pre-prepared mold by pouring, injection, suction or other casting methods, and after cooling and subsequent processing such as grinding, the resulting object has a certain shape, size and performance. Casting grinding is a key step in the processing of castings, and grinding tools are required.

[0003] In a casting grinding tool with the public specification of Chinese utility model patent application CN212762878U, although it can meet the needs of grinding the incoming workpiece at multiple angles by setting a rotating disk, the limit rod hingedly arranged on the workbench can rotate around the hinge point. When the workbench is rotated to the corresponding position, the limit rod rotates downward and cooperates with the corresponding locking structure to position the workbench to the required position. It has the advantages of flexible positioning and reasonable structure, but it does not solve the problems of the collection box being not installed firmly, making it inconvenient to recover the leaked oil or water; the CNC machine tool being not installed firmly, making it inconvenient to disassemble the CNC machine tool, etc. Utility Model Content

[0004] The purpose of the utility model is to provide a casting grinding tool to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A casting grinding tool comprises a workbench, a movable cavity is provided inside the workbench, mounting columns are provided on both sides of the top of the workbench, a moving mechanism is provided inside the movable cavity, a fixed cylinder is provided outside the mounting column, a cavity is provided inside the mounting column, limiting grooves are provided on both sides inside the fixed cylinder, a fixing mechanism is provided inside the cavity, and a clamp is provided on one side of the fixed cylinder.

[0007] Preferably, the moving mechanism includes a first screw, a movable block and a fixed column, the first screw is movably arranged inside the movable cavity through a bearing, the threads at both ends of the first screw are arranged oppositely, movable blocks are sleeved at both ends of the first screw, fixed columns are fixedly arranged on both sides of the movable cavity through the movable blocks, and one end of the mounting column passes through the movable cavity and is fixedly connected to the top of the movable block.

[0008] Preferably, the fixing mechanism includes a second screw, a movable column, a limit column, a limit block, a limit rod and a spring. A second screw is movably arranged inside the cavity through a bearing. The threads at both ends of the second screw are arranged in opposite directions. Movable columns are sleeved at both ends of the second screw. Limit columns are fixedly arranged through the movable columns on both sides of the cavity. Limit blocks are arranged on both sides of the cavity. A number of limit rods are fixedly arranged through the limit blocks at both ends of the cavity. A spring is sleeved at one end of the limit rod. One end of the limit block passes through the mounting column and is arranged inside the limit groove.

[0009] Preferably, one end of the first screw rod passes through the workbench and is arranged on one side of the workbench, and a first handle is fixedly provided on one end of the first screw rod.

[0010] Preferably, one end of the second screw rod passes through the mounting column and is arranged at the top end of the mounting column, and a second handle is fixedly provided at one end of the second screw rod.

[0011] Preferably, both ends of the movable column are arranged in a trapezoidal shape, and one side of the limit block is arranged in a trapezoidal shape.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The invention relates to a casting grinding tool, wherein the threads at both ends of the second screw are opposite, so that the movable columns on both sides move in different directions when the second screw is rotated, and the movable column is passed through the limit column, so that the movable column can only slide along the direction of the limit column, and the limit rod passes through the limit block, so that the limit block can only slide along the direction of the limit rod. By turning the second handle, the movable column is driven to move by the second screw, and the limit block is pushed by the spring, so that the limit block moves out of the limit groove, cancels the fixation of the fixed cylinder, takes out the clamp, and installs a suitable clamp, so that the installation column is inserted into the fixed cylinder, and the handle is turned to drive the movable column to move by the screw. The trapezoidal setting of the movable column and the limit block makes it easy to push the limit block to move when the movable block moves, so that the limit block is inserted into the limit groove to fix the clamp. Through the above device, the second handle, the second screw, the movable column, the limit column, the limit block, the limit rod, the spring and the limit groove are used to improve the stability of the clamp installation.

[0014] The casting grinding tool places the casting to be ground on the top of the workbench so that the casting is located between the clamps. The threads at both ends of the first screw are opposite, so that the movable blocks on both sides move in different directions when the first screw rotates, and the movable block is passed through the fixed column so that the movable block can only slide along the direction of the fixed column. The first handle is turned to drive the movable block to move through the first screw, and the mounting column is driven to move through the movable block, and the clamp is driven to move inward to fix the casting on the top of the workbench to fix the casting, so as to facilitate subsequent grinding of the casting. After the grinding is completed, the first handle is turned to drive the movable block to move through the first screw, and the clamp is driven to move through the mounting column to loosen the casting. Through the above-mentioned device, the first handle, the first screw, the movable block, the fixed column and the mounting column are used to improve the stability of the casting fixation, so that the casting can be easily removed after the grinding is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a front structural sectional view of the utility model;

[0017] Figure 3 It is a side structural sectional view of the utility model;

[0018] Figure 4 For this utility model Figure 3 A magnified schematic diagram of center A.

[0019] In the figure: 1. workbench; 2. movable cavity; 3. mounting column; 4. fixed cylinder; 5. cavity; 6. limiting groove; 7. clamp; 8. first screw; 9. movable block; 10. fixed column; 11. second screw; 12. movable column; 13. limiting column; 14. limiting block; 15. limiting rod; 16. spring; 17. first handle; 18. second handle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 - Figure 4 As shown, a technical solution provided by the utility model:

[0022] A casting grinding tool comprises a workbench 1, a movable cavity 2 is opened inside the workbench 1, mounting columns 3 are arranged on both sides of the top of the workbench 1, a moving mechanism is arranged inside the movable cavity 2, a fixing cylinder 4 is arranged outside the mounting column 3, a cavity 5 is opened inside the mounting column 3, limiting grooves 6 are opened on both sides inside the fixing cylinder 4, a fixing mechanism is arranged inside the cavity 5, and a clamp 7 is arranged on one side of the fixing cylinder 4. Through the above device, the casting to be ground is placed on the top of the workbench 1 so that the casting is located between the clamps 7, the mounting column 3 is driven to move by the moving mechanism, the clamp 7 is moved inward, the casting is fixed on the top of the workbench 1, the casting is fixed, and it is convenient for subsequent grinding of the casting, and the clamp 7 is fixed by the fixing mechanism.

[0023] In this embodiment, preferably, the moving mechanism includes a first screw 8, a movable block 9 and a fixed column 10. The first screw 8 is movably arranged inside the movable cavity 2 through a bearing. The threads at both ends of the first screw 8 are arranged oppositely. Movable blocks 9 are sleeved at both ends of the first screw 8. Fixed columns 10 are fixedly arranged on both sides of the movable cavity 2 through the movable blocks 9. One end of the installation column 3 passes through the movable cavity 2 and is fixedly connected to the top of the movable block 9. Through the above-mentioned device, the threads at both ends of the first screw 8 are opposite, so that the movable blocks 9 on both sides move in different directions when the first screw 8 rotates. The movable block 9 is passed through the fixed column 10, so that the movable block 9 can only slide along the direction of the fixed column 10. The movable block 9 is driven to move by the first screw 8, and the installation column 3 is driven to move by the movable block 9.

[0024] In this embodiment, preferably, the fixing mechanism includes a second screw 11, a movable column 12, a limit column 13, a limit block 14, a limit rod 15 and a spring 16. The second screw 11 is movably arranged inside the cavity 5 through a bearing. The threads at both ends of the second screw 11 are arranged oppositely. The two ends of the second screw 11 are sleeved with movable columns 12. The limit columns 13 are fixedly arranged on both sides of the cavity 5 through the movable columns 12. The limit blocks 14 are arranged on both sides of the cavity 5. A plurality of limit rods 15 are fixedly arranged on both ends of the cavity 5 through the limit blocks 14. One end of the limit rod 15 is sleeved with a spring 16. One end of the limit block 14 The mounting column 3 is arranged inside the limit groove 6. Through the above-mentioned device, the threads at both ends of the second screw 11 are opposite, so that the movable columns 12 on both sides move in different directions when the second screw 11 rotates. The movable column 12 is passed through the limit column 13, so that the movable column 12 can only slide along the direction of the limit column 13. The limit rod 15 passes through the limit block 14, so that the limit block 14 can only slide along the direction of the limit rod 15. The movable column 12 is driven to move by the screw, so that the movable block 9 pushes the limit block 14 to move, so that the limit block 14 is inserted into the limit groove 6 to fix the clamp 7.

[0025] In this embodiment, preferably, one end of the first screw rod 8 passes through the workbench 1 and is arranged on one side of the workbench 1 , and a first handle 17 is fixedly provided on one end of the first screw rod 8 . Through the above device, the first handle 17 is used to facilitate the rotation of the first screw rod 8 .

[0026] In this embodiment, preferably, one end of the second screw rod 11 passes through the mounting column 3 and is arranged at the top of the mounting column 3, and a second handle 18 is fixedly provided at one end of the second screw rod 11. Through the above device, the second handle 18 is used to facilitate the rotation of the second screw rod 11.

[0027] In this embodiment, preferably, both ends of the movable column 12 are set in a trapezoidal shape, and one side of the limit block 14 is set in a trapezoidal shape. Through the above device, it is easy to push the limit block 14 to move when the movable block 9 moves.

[0028] When a casting grinding tool of this embodiment is in use, the casting to be ground is placed on the top of the workbench 1 so that the casting is located between the clamps 7. The threads at both ends of the first screw 8 are opposite, so that when the first screw 8 is rotated, the movable blocks 9 on both sides move in different directions, and the fixed column 10 passes through the movable block 9, so that the movable block 9 can only slide along the direction of the fixed column 10. The first handle 17 is rotated to drive the movable block 9 to move through the first screw 8, and the mounting column 3 is driven to move through the movable block 9, and the clamp 7 is driven to move inward to fix the casting on the top of the workbench 1 to fix the casting for subsequent grinding. After the grinding is completed, the first handle 17 is rotated to move the movable block 9 through the first screw 8, and the clamp 7 is driven to move through the mounting column 3 to loosen the casting. Through the above-mentioned device, the first handle 17, the first screw 8, the movable block 9, the fixed column 10 and the mounting column 3 are used to improve the stability of the casting fixation, and after the grinding is completed, it is convenient to remove the casting.

[0029] When clamping and fixing different castings, it may be necessary to replace the clamp 7 to adapt to different castings. At this time, the threads at both ends of the second screw rod 11 are opposite, so that when the second screw rod 11 is rotated, the movable columns 12 on both sides move in different directions, and the movable column 12 is passed through the limit column 13, so that the movable column 12 can only slide along the direction of the limit column 13, and the limit rod 15 passes through the limit block 14, so that the limit block 14 can only slide along the direction of the limit rod 15. The second handle 18 is rotated to drive the movable column 12 to move through the second screw 11, and the limit block 14 is pushed by the spring 16, so that the limit block 14 moves out of the limit groove 6, eliminating the need for the fixed cylinder 4, take out the clamp 7, install a suitable clamp 7, insert the installation column 3 into the fixed tube 4, turn the handle, drive the movable column 12 to move through the screw, and through the trapezoidal setting of the movable column 12 and the limit block 14, it is convenient to push the limit block 14 to move when the movable block 9 moves, so that the limit block 14 is inserted into the limit groove 6 to fix the clamp 7. Through the above-mentioned device, through the second handle 18, the second screw 11, the movable column 12, the limit column 13, the limit block 14, the limit rod 15, the spring 16 and the limit groove 6, the stability of the installation of the clamp 7 is improved, and the clamp 7 is easy to replace to adapt to the clamping and fixing of different castings.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A casting grinding tool, comprising a workbench (1), characterized in that: The workbench (1) has an active cavity (2) formed inside, mounting columns (3) are provided on both sides of the top of the workbench (1), a moving mechanism is provided inside the active cavity (2), a fixing cylinder (4) is provided outside the mounting column (3), a cavity (5) is formed inside the mounting column (3), limiting grooves (6) are provided on both sides of the fixing cylinder (4), a fixing mechanism is provided inside the cavity (5), and a clamp (7) is provided on one side of the fixing cylinder (4); The moving mechanism comprises a first screw rod (8), a movable block (9) and a fixed column (10); the first screw rod (8) is movably arranged inside the movable cavity (2) via a bearing; the threads at both ends of the first screw rod (8) are arranged oppositely; movable blocks (9) are sleeved at both ends of the first screw rod (8); fixed columns (10) are fixedly arranged on both sides of the movable cavity (2) through the movable blocks (9); one end of the mounting column (3) passes through the movable cavity (2) and is fixedly connected to the top of the movable block (9); The fixing mechanism comprises a second screw rod (11), a movable column (12), a limiting column (13), a limiting block (14), a limiting rod (15) and a spring (16). The second screw rod (11) is movably arranged inside the cavity (5) via a bearing. The threads at both ends of the second screw rod (11) are arranged oppositely. The movable columns (12) are sleeved at both ends of the second screw rod (11). The limiting columns (13) are fixedly arranged on both sides of the cavity (5) through the movable columns (12). The limiting blocks (14) are arranged on both sides of the cavity (5). A plurality of limiting rods (15) are fixedly arranged on both ends of the cavity (5) through the limiting blocks (14). One end of the limiting rod (15) is sleeved with a spring (16). One end of the limiting block (14) passes through the mounting column (3) and is arranged inside the limiting groove (6).

2. A casting grinding tool according to claim 1, characterized in that: One end of the first screw rod (8) passes through the workbench (1) and is arranged on one side of the workbench (1), and a first handle (17) is fixedly arranged on one end of the first screw rod (8).

3. A casting grinding tool according to claim 1, characterized in that: One end of the second screw rod (11) passes through the mounting column (3) and is arranged at the top end of the mounting column (3); a second handle (18) is fixedly arranged at one end of the second screw rod (11).

4. A casting grinding tool according to claim 1, characterized in that: Both ends of the movable column (12) are arranged in a trapezoidal shape, and one side of the limit block (14) is arranged in a trapezoidal shape.

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