Milling, positioning and clamping mechanism for corner type hardware

Abstract

The utility model belongs to the technical field of milling, positioning and clamping, and particularly relates to a corner type hardware milling, positioning and clamping mechanism which comprises a T-shaped groove table board, a clamp table board and a wedge-shaped clamp, a plurality of groups of parallel T-shaped sliding grooves are evenly formed in the top end of the T-shaped groove table board, the clamp table board is located at the top of the T-shaped groove table board, and the wedge-shaped clamp is arranged on the clamp table board. The clamp table top is arranged on the T-shaped sliding groove in the top end of the T-shaped groove table top in a sliding mode, and a plurality of sets of installation screw openings are evenly formed in the top end of the clamp table top. According to the corner type hardware milling, positioning and clamping mechanism, a wedge-shaped clamp is matched with an L-shaped baffle to form a clamping mode in a triangular direction, the stability of a corner workpiece during clamping is enhanced, subsequent surface milling work is facilitated, when a fastening screw is tightened, a lower pressing block slides downwards to push an arc-shaped block, and the arc-shaped block is clamped. The cambered surface at one end of the arc-shaped block is propped against the cambered surface at one side of the corner type workpiece, and a transverse force is provided to prop against the cambered surface of the corner type workpiece, so that the condition that the workpiece slides up and down in the milling process is prevented.

Description

Technical Field

[0001] This utility model relates to the field of machining technology, and in particular to a corner-type hardware milling positioning and clamping mechanism. Background Technology

[0002] In the machining process, it is necessary to position the workpiece material and then perform various processing methods. Currently, the most widely used tool is the bench vise. When using it, it is necessary to adjust the clamping position of the jaws and tighten the jaws to fix the workpiece. However, for milling irregularly shaped workpieces, bench vises also have many inconveniences and disadvantages:

[0003] 1. When clamping irregularly shaped workpieces, conventional clamping methods can cause the workpieces to slide during clamping, which cannot effectively fix the special shape of the workpieces. This can result in the workpiece material becoming loose and scrapped or even flying out.

[0004] 2. In the process of clamping irregularly shaped workpieces, it is necessary to change the clamping angle multiple times, which increases the processing time and is not conducive to improving efficiency.

[0005] 3. Even with the assistance of clamping with a pressure plate, it is not suitable for workpieces with corner-shaped hardware parts as proposed in this application that require a lot of surface milling processes. Moreover, the frequent changes in the position of the fixture reduce the efficiency of production and processing. Utility Model Content

[0006] Based on existing technical problems, this utility model proposes a corner-type hardware milling positioning and clamping mechanism.

[0007] This utility model proposes a corner-type hardware milling positioning and clamping mechanism, including a T-slot table, a fixture table, and a wedge-shaped fixture. The top of the T-slot table is evenly provided with several sets of parallel T-shaped grooves. The fixture table is located on the top of the T-slot table and is slidably disposed on the T-shaped grooves at the top of the T-slot table. The top of the fixture table is evenly provided with several sets of mounting screw holes. An L-shaped baffle and the wedge-shaped fixture are installed at the mounting screw holes at the top of the fixture table by screws. The corner workpiece is fixedly clamped between the L-shaped baffle and the wedge-shaped fixture.

[0008] The wedge-shaped clamp includes a base, a lower pressure block, and an arc-shaped block. The base is fixedly installed at the mounting screw hole at the top of the clamp table by screws. A vertical guide block is provided on one side of the base, and a guide groove adapted to the guide block is provided on one side of the lower pressure block. The side of the lower pressure block is set in a right-angled trapezoid with the inclined surface facing downward, and a wedge-shaped groove is provided on the inclined surface along the inclined direction. A wedge-shaped block adapted to the wedge-shaped groove on the lower pressure block is provided on one side of the arc-shaped block. Thus, after the lower pressure block is adjusted and pressed down, the arc-shaped block is pushed, and with the fixed L-shaped baffle, the corner workpiece is effectively resisted and fixed.

[0009] Preferably, a number of T-shaped blocks adapted to the T-shaped grooves on the T-shaped groove table are evenly installed at the bottom end of the fixture table, and a screw is threaded at the connection between the fixture table and the T-shaped blocks. The bottom end of the screw passes through the T-shaped block and abuts against the T-shaped groove table at the T-shaped groove, thereby realizing the adjustment and locking of the fixture table at the top position of the T-shaped groove table.

[0010] By setting up an L-shaped baffle, the problems of loosening and flying material during workpiece clamping are solved. The fixture, which corresponds to the shape of the corner workpiece, can directly contact the two right-angled surfaces of the corner workpiece, providing a stable milling environment and avoiding slippage and displacement during milling.

[0011] Preferably, a through slot is provided above the pressing block, and a fastening screw is inserted in the through slot. By tightening the fastening screw, the pressing block completes the pressing action along the sliding grooves on both sides, and the arc-shaped block is pushed from the side so that its arc surface abuts against the arc surface of the corner workpiece.

[0012] The above technical solution, by setting fastening screws, allows for quick replacement of workpieces without disassembling the fixture, solving the problem of time-consuming loading during workpiece processing. When the fastening screws on the pressure block are tightened, the arc surface of the arc block abuts against the arc surface of the corner workpiece, providing lateral force to resist the arc surface of the corner workpiece, preventing the workpiece from sliding up and down during milling. When the fastening screws are loosened, the processed workpiece can be directly removed for workpiece replacement, improving production efficiency.

[0013] Preferably, a spring is sleeved on the outside of the fastening screw, one end of the spring abuts against the lower surface of the pressure block, and the other end abuts against the upper surface of the clamping table, so that the pressure block can be springed back to its original position by torque.

[0014] The above technical solution involves setting a spring so that when the tightening screw is released, the spring's torque lifts the lower pressure block, simultaneously causing the arc-shaped block to slide, thus completing the separation of the arc surface of the arc-shaped block from the arc surface of the corner workpiece.

[0015] Preferably, the bottom of the arc-shaped block is provided with a directional groove, the side of the base is provided with a limiting plate, and the upper surface of the limiting plate is provided with an directional block adapted to the directional groove at the bottom of the arc-shaped block, so as to realize a fixed-direction sliding connection between the arc-shaped block and the limiting plate.

[0016] By using the above technical solution, a limiting plate is set to stabilize the sliding direction of the arc-shaped block and prevent displacement and loosening during the pushing process.

[0017] The beneficial effects of this utility model are as follows:

[0018] 1. By setting up an L-shaped baffle, the problems of loosening and flying material during workpiece clamping are solved. The fixture, which corresponds to the shape of the corner workpiece, can directly contact the two right-angled surfaces of the corner workpiece, providing a stable milling environment and avoiding slippage and displacement during milling.

[0019] 2. By setting a wedge-shaped fixture and using an L-shaped baffle to form a triangular clamping method, the stability of corner workpieces during clamping is enhanced, and the problem of low efficiency due to the need to change the clamping angle multiple times during milling is solved, thereby improving the efficiency in actual processing and production.

[0020] 3. By setting fastening screws, the workpiece can be quickly changed without disassembling the fixture, solving the problem of time-consuming loading during workpiece processing. When the fastening screws on the pressure block are tightened, the arc surface of the arc block abuts against the arc surface of the corner workpiece, providing lateral force to resist the arc surface of the corner workpiece, preventing the workpiece from sliding up and down during milling. When the fastening screws are loosened, the processed workpiece can be directly taken out for workpiece replacement, improving the efficiency of production and processing.

[0021] 4. By setting a spring, when the tightening screw is unloaded, the torque of the spring will lift the lower pressure block and drive the arc block to slide, thus completing the separation action of the arc surface of the arc block from the arc surface of the corner workpiece.

[0022] 5. By setting a limit plate, the sliding direction of the arc block is stabilized, preventing displacement and loosening during the pushing process. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of a corner-type hardware milling positioning and clamping mechanism proposed in this utility model;

[0024] Figure 2 This is a perspective view of the fixture table structure of a corner-type hardware milling positioning and clamping mechanism proposed in this utility model;

[0025] Figure 3This is a perspective view of a wedge-shaped clamp structure for a corner-type hardware milling positioning and clamping mechanism proposed in this utility model;

[0026] Figure 4 This is an exploded view of the wedge-shaped fixture structure of a corner-type hardware milling positioning and clamping mechanism proposed in this utility model.

[0027] In the diagram: 1. T-slot table; 2. Fixture table; 3. Wedge fixture; 4. Corner workpiece; 5. T-block; 6. Screw; 7. L-shaped baffle; 8. Base; 9. Lower pressure block; 10. Arc block; 11. Fastening screw; 12. Spring; 13. Limiting plate; 14. Orienting block; 15. Orienting groove; 16. Guide block; 17. Guide groove; 18. Wedge groove; 19. Wedge block. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0029] Reference Figures 1-4 A corner-type hardware milling positioning and clamping mechanism includes a T-slot table 1, a clamping table 2, and a wedge-shaped clamp 3. The top of the T-slot table 1 is evenly provided with several sets of parallel T-shaped sliding grooves. The clamping table 2 is located on the top of the T-slot table 1 and is slidably disposed on the T-shaped sliding grooves at the top of the T-slot table 1. The top of the clamping table 2 is evenly provided with several sets of mounting screw holes. An L-shaped baffle 7 and the wedge-shaped clamp 3 are installed at the mounting screw holes at the top of the clamping table 2 by screws. The L-shaped baffle 7 and the wedge-shaped clamp 3 are fixedly clamped together to hold a corner workpiece 4.

[0030] The wedge-shaped clamp 3 includes a base 8, a lower pressure block 9, and an arc-shaped block 10. The base 8 is fixedly installed at the mounting screw hole at the top of the clamp table 2 by screws. A vertical guide block 16 is provided on one side of the base 8, and a guide groove 17 adapted to the guide block 16 is provided on one side of the lower pressure block 9. The side of the lower pressure block 9 is set in a right-angled trapezoid with the inclined surface facing downward, and a wedge-shaped groove 18 is provided on the inclined surface along the inclined direction. A wedge-shaped block 19 adapted to the wedge-shaped groove 18 on the lower pressure block 9 is provided on one side of the arc-shaped block 10. Thus, after the lower pressure block 9 is adjusted and pressed down, the arc-shaped block 10 is pushed, and with the fixed L-shaped baffle 7, the corner workpiece 4 is effectively resisted and fixed.

[0031] To better secure the corner workpiece, several sets of T-shaped blocks 5, which are adapted to the T-shaped grooves on the T-slot table 1, are evenly installed at the bottom of the fixture table 2. A screw 6 is threaded at the connection between the fixture table 2 and the T-shaped blocks 5. The bottom end of the screw 6 passes through the T-shaped blocks 5 and abuts against the T-slot table 1 at the T-shaped groove, thereby realizing the adjustment and locking of the fixture table 2 at the top position of the T-slot table 1.

[0032] By setting up an L-shaped baffle, the problems of loosening and flying material during workpiece clamping are solved. The fixture, which corresponds to the shape of the corner workpiece, can directly contact the two right-angled surfaces of the corner workpiece, providing a stable milling environment and avoiding slippage and displacement during milling.

[0033] A through slot is provided above the lower pressure block 9, and a fastening screw 11 is inserted into the through slot.

[0034] For more flexible operation, the pressing block 9 can be pressed down along the sliding grooves on both sides by tightening the fastening screw 11, and the arc-shaped block 10 can be pushed from the side so that its arc surface abuts against the arc surface of the corner workpiece 4.

[0035] By setting fastening screws, workpieces can be quickly changed without disassembling the fixture, solving the problem of time-consuming loading during workpiece processing. When the fastening screws on the pressure block are tightened, the arc surface of the arc block abuts against the arc surface of the corner workpiece, providing lateral force to resist the arc surface of the corner workpiece, preventing the workpiece from sliding up and down during milling. When the fastening screws are loosened, the processed workpiece can be directly taken out for workpiece replacement, improving production efficiency.

[0036] A spring 12 is fitted on the outside of the fastening screw 11.

[0037] To facilitate the adjustment and replacement of corner-shaped workpieces, one end of the spring 12 abuts against the lower surface of the lower pressure block 9, and the other end abuts against the upper surface of the fixture table 2, thereby completing the springback reset action of the lower pressure block 9 through torque.

[0038] By setting a spring, when the tightening screw is released, the torque of the spring will lift the lower pressure block and drive the arc block to slide, thus completing the separation action of the arc surface of the arc block from the arc surface of the corner workpiece.

[0039] The bottom of the arc-shaped block 10 is provided with a directional groove 15, and the side of the base 8 is provided with a limiting plate 13.

[0040] To enhance the stability of the wedge clamp, the upper surface of the limiting plate 13 is provided with an directional block 14 that is adapted to the bottom directional groove 15 of the arc block 10, thereby realizing a fixed-direction sliding connection between the arc block 10 and the limiting plate 13.

[0041] By setting a limit plate, the sliding direction of the arc-shaped block is stabilized, preventing displacement and loosening during the pushing process.

[0042] Working principle: During milling, first fix the T-slot table 1 to the worktable, then connect the fixture table 2 to the T-block 5 via screw 6, and then fix the T-slot table 1. Next, fix the L-shaped baffle 7 to the fixture table 2 with screws. Finally, fix the wedge fixture 3 to the fixture table 2. Before fixing the wedge fixture, first assemble the base 8, lower pressure block 9, and arc block 10 in the wedge fixture 3. First, slide the directional groove 15 at the bottom of the arc block 10 to the directional block 14 on the limiting plate 13. Then, connect the guide grooves 17 and wedge grooves 18 on both sides of the lower pressure block 9. Slide the wedge block 19 on one side of the arc block 10 to the wedge groove 18 on one side of the lower pressure block 9. Slide the guide block 16 on one side of the base 8 to the guide groove 17 on the other side of the lower pressure block 9. After the connection is completed, fix the base 8 to the fixture table with screws. On surface 2, after the clamping mechanism is fixed, the corner workpiece 4 to be milled is placed between the L-shaped baffle 7 and the wedge-shaped fixture 3 on the upper surface of the fixture table 2. The right-angled surface of the corner workpiece 4 abuts against the two right-angled surfaces of the L-shaped baffle 7. Finally, the fastening screw 11 above the lower pressure block 9 is tightened. While the lower pressure block 9 slides down and tightens, it will push the arc block 10 along the direction of the directional block 14 on the limiting plate 13, so that the arc surface of the arc block 10 abuts against the arc surface of the corner workpiece 4. After the corner workpiece 4 is milled, the fastening screw 11 is loosened to release the torque of the spring 12, so that the lower pressure block 9 is forced to move upward. Because the wedge-shaped groove 18 on one side of the lower pressure block 9 is slidably connected to the wedge block 19 on one side of the arc block 10, when the lower pressure block 9 moves upward, it will drive the arc block 10 to move away from the corner workpiece 4. In this way, the workpiece can be changed without disassembling and changing the fixture.

[0043] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A corner-type hardware milling positioning and clamping mechanism, comprising a T-slot table (1), a clamping table (2), and a wedge-shaped clamp (3), characterized in that: The top of the T-slot table (1) is evenly provided with several sets of parallel T-shaped sliding grooves. The fixture table (2) is located on the top of the T-slot table (1) and is slidably set on the T-shaped sliding groove at the top of the T-slot table (1). The top of the fixture table (2) is evenly provided with several sets of mounting screw holes. The top of the fixture table (2) is fitted with an L-shaped baffle (7) and the wedge-shaped clamp (3) by screws at the mounting screw holes. The L-shaped baffle (7) and the wedge-shaped clamp (3) are fixedly clamped together to hold the corner workpiece (4). The wedge clamp (3) includes a base (8), a lowering block (9), and an arc-shaped block (10). The base (8) is fixedly installed at the mounting screw hole at the top of the clamp table (2) by screws. A vertical guide block (16) is provided on one side of the base (8), and a guide groove (17) adapted to the guide block (16) is provided on one side of the lowering block (9). The side of the lowering block (9) is set as a right-angled trapezoid with the inclined surface facing down, and a wedge-shaped groove (18) is provided on the inclined surface along the inclined direction. A wedge-shaped block (19) adapted to the wedge-shaped groove (18) on the lowering block (9) is provided on one side of the arc-shaped block (10). Thus, after the lowering block (9) is adjusted and pressed down, the arc-shaped block (10) is pushed. With the fixed L-shaped baffle (7), the corner workpiece (4) is effectively resisted and fixed.

2. The corner-type hardware milling positioning and clamping mechanism according to claim 1, characterized in that: The bottom end of the fixture table (2) is evenly equipped with several sets of T-shaped blocks (5) that are adapted to the T-shaped slide groove on the T-shaped groove table (1). A screw (6) is threaded at the connection between the fixture table (2) and the T-shaped block (5). The bottom end of the screw (6) passes through the T-shaped block (5) and abuts against the T-shaped groove table (1) at the T-shaped slide groove, thereby realizing the adjustment and locking of the fixture table (2) at the top position of the T-shaped groove table (1).

3. The corner-type hardware milling positioning and clamping mechanism according to claim 2, characterized in that: The upper part of the pressing block (9) is provided with a through slot, and a fastening screw (11) is inserted in the through slot. By tightening the fastening screw (11), the pressing block (9) completes the pressing action along the sliding grooves on both sides, and pushes the arc block (10) from the side so that its arc surface abuts against the arc surface of the corner workpiece (4).

4. The corner-type hardware milling positioning and clamping mechanism according to claim 3, characterized in that: A spring (12) is sleeved on the outside of the fastening screw (11). One end of the spring (12) abuts against the lower surface of the lower pressure block (9), and the other end abuts against the upper surface of the clamp table (2). The lower pressure block (9) is springed back to its original position by torque.

5. A corner-type hardware milling positioning and clamping mechanism according to claim 4, characterized in that: The bottom of the arc-shaped block (10) is provided with a directional groove (15), and the side of the base (8) is provided with a limiting plate (13). The upper surface of the limiting plate (13) is provided with an directional block (14) that is adapted to the directional groove (15) at the bottom of the arc-shaped block (10), so as to realize a fixed-direction sliding connection between the arc-shaped block (10) and the limiting plate (13).

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