Workpiece clamping device for machining of mechanical machine tool

Abstract

The utility model relates to the technical field of workpiece clamping devices, and discloses a workpiece clamping device for machining of a mechanical machine tool, which solves the problem that an existing clamping device is inconvenient to clamp and fix a special-shaped workpiece, and comprises a workpiece supporting table, a plurality of strip-shaped sliding grooves are formed in the top end of the workpiece supporting table, and the strip-shaped sliding grooves are arranged in the strip-shaped sliding grooves. A plurality of workpiece clamping mechanisms penetrating through the strip-shaped sliding grooves are slidably arranged at the top end of the workpiece supporting table, each workpiece clamping mechanism is composed of a workpiece supporting base, a limiting sliding base, a plurality of locking bases, a plurality of locking bolts, a side limiting assembly, a rotary adjusting assembly and a pressing plate, the limiting sliding bases are fixedly connected to the bottom end of the workpiece supporting base, the locking bases are connected to one end of the workpiece supporting base, and the rotary adjusting assembly is connected to the other end of the workpiece supporting base. The locking bolt penetrates through the locking seat, the side limiting assembly is connected to one end of the top of the workpiece support through the rotary adjusting assembly, and the pressing plate is slidably connected to the interior of the side limiting assembly; by means of the workpiece clamping device, the special-shaped workpiece can be clamped and fixed, and the clamping stability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of workpiece clamping devices, in particular to a workpiece clamping device for mechanical machine tool processing. Background Art

[0002] During the machining process of mechanical machine tools, it is necessary to use a clamping device to clamp and fix the workpiece to improve the stability during machining. The authorization announcement number CN219725346U discloses a CNC machine tool workpiece clamping device, which is provided with an adjustment structure, specifically, through the cooperation of the inner threaded rod of the bar block at the bottom of the workbench and the threaded block, the L-shaped supporting block on the top of the workbench can be adjusted, so that the L-shaped supporting block can be adjusted left and right on the workbench, thereby making the clamping device suitable for workpieces of different widths; however, the clamping device can only clamp workpieces with regular shapes (such as rectangles and squares), and cannot achieve stable clamping and fixation for some special-shaped workpieces (such as polygons), and has poor adaptability. Therefore, the present application improves it and proposes a workpiece clamping device for mechanical machine tool machining. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a workpiece clamping device for mechanical machine tool processing, which effectively solves the problem that the existing clamping device is inconvenient to clamp and fix special-shaped workpieces.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a workpiece clamping device for mechanical machine tool processing, comprising a workpiece support table, a plurality of strip slide grooves are opened at the top of the workpiece support table, a plurality of workpiece clamping mechanisms inserted in the strip slide grooves are slidably arranged at the top of the workpiece support table, the workpiece clamping mechanism is composed of a workpiece support, a limit slide, a plurality of locking seats, a plurality of locking bolts, a side limit assembly, a rotation adjustment assembly and a pressure plate, the limit slide is fixedly connected to the bottom end of the workpiece support, the limit slide is slidably connected to the inside of the strip slide groove, the locking seat is fixedly connected to one end of the workpiece support, the locking bolt is inserted in the locking seat and matches the workpiece support table, the side limit assembly is connected to one end of the top of the workpiece support through the rotation adjustment assembly, and the pressure plate is slidably connected to the inside of the side limit assembly.

[0005] Preferably, the rotation adjustment assembly is composed of a rotating shaft, a worm wheel, a worm and a hexagonal rotating head. The rotating shaft is fixedly connected to the middle position of the bottom end of the side limit assembly and is inserted into the workpiece support. The worm wheel is fixedly connected to the bottom end of the rotating shaft. The worm is rotatably connected to the inside of the workpiece support and meshingly connected to the worm wheel. The hexagonal rotating head is fixedly connected to one end of the worm.

[0006] Preferably, the rotating shaft is rotatably connected to the workpiece support via a bearing, and a mounting through hole matching the worm and the hexagonal rotating head is provided at one end of the side of the workpiece support.

[0007] Preferably, the side limit assembly is composed of a side limit frame, a plurality of combined limit sliders, a lifting and adjusting screw, an adjusting hand wheel and a pressure plate. Vertical slide grooves are opened on both sides of the inside of the side limit frame. The combined limit slider is slidably connected to the inside of the vertical slide grooves. The lifting and adjusting screw is inserted into the middle position of the top end of the side limit frame and is threadedly connected thereto. The adjusting hand wheel is fixedly connected to the top end of the lifting and adjusting screw, and the pressure plate is fixedly connected to the bottom end of the lifting and adjusting screw.

[0008] Preferably, the combined limit slider consists of a vertical limit slider and a transverse limit slider, the vertical limit slider is slidably connected to the inside of the vertical slide groove, and the transverse limit slider is fixedly connected to one side of the vertical limit slider.

[0009] Preferably, transverse sliding grooves are provided on both sides of the pressure plate, and the transverse limiting sliding blocks are slidably connected to the inside of the transverse sliding grooves.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] (1) During operation, by providing a workpiece support platform, a strip slide and a workpiece clamping mechanism, the angle of the workpiece clamping can be adjusted, which is suitable for clamping polygonal special-shaped workpieces. By providing a workpiece clamping mechanism composed of a workpiece support, a limit slide, a plurality of locking seats, a plurality of locking bolts, a side limit assembly, a rotation adjustment assembly and a pressure plate, the workpiece can be supported and the lateral limit and downward limit of the workpiece can be achieved, thereby improving the adjustability and stability of the clamping and thus improving the adaptability;

[0012] (2) By setting a rotating adjustment assembly consisting of a rotating shaft, a worm gear, a worm and a hexagonal rotating head, the angle of the side limit assembly can be further adjusted to improve the convenience of clamping. By setting a combined limit slider consisting of a vertical limit slider and a horizontal limit slider and setting a horizontal slide groove, the extension length of the pressure plate can be adjusted, and then the downward limit can be selected or not according to actual needs, thereby improving adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached picture:

[0015] Figure 1 This is a schematic diagram of the structure of a workpiece clamping device for mechanical machine tool processing of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the workpiece clamping mechanism of the utility model;

[0017] Figure 3 This is a partial structural diagram of the workpiece clamping mechanism of the utility model;

[0018] Figure 4 This is a schematic diagram of the connection structure of the side limit assembly and the rotation adjustment assembly of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the combined limit slider of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the pressing plate of the utility model;

[0021] In the figure: 1. workpiece support platform; 2. strip slide; 3. workpiece clamping mechanism; 4. workpiece support; 5. limit slide; 6. locking seat; 7. locking bolt; 8. side limit assembly; 9. rotation adjustment assembly; 10. pressure plate; 11. rotating shaft; 12. worm gear; 13. worm; 14. hexagonal rotating head; 15. bearing; 16. mounting through hole; 17. side limit frame; 18. combined limit slider; 19. lifting adjustment screw; 20. adjusting hand wheel; 21. pressure plate; 22. vertical slide; 23. vertical limit slider; 24. horizontal limit slider; 25. horizontal slide. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Depend on Figure 1 , Figure 2 , Figure 3 and Figure 6 The utility model provides a workpiece clamping device for machining a mechanical machine tool, comprising a workpiece support table 1, a plurality of strip slide grooves 2 are provided at the top of the workpiece support table 1, a plurality of workpiece clamping mechanisms 3 inserted in the strip slide grooves 2 are slidably provided at the top of the workpiece support table 1, the workpiece clamping mechanism 3 is composed of a workpiece support 4, a limit slide 5, a plurality of locking seats 6, a plurality of locking bolts 7, a side limit assembly 8, a rotation adjustment assembly 9 and a pressure plate 10. The limit slide 5 is fixedly connected to the bottom end of the workpiece support 4, the limit slide 5 is slidably connected to the inside of the strip slide groove 2, the locking seat 6 is fixedly connected to one end of the workpiece support 4, the locking bolt 7 is inserted in the locking seat 6 and matches the workpiece support table 1, the side limit assembly 8 is connected to one end of the top of the workpiece support 4 through the rotation adjustment assembly 9, and the pressure plate 10 is slidably connected to the inside of the side limit assembly 8;

[0024] When in use, according to the shape of the workpiece, a certain number of workpiece clamping mechanisms 3 can be installed at different angles on the top of the workpiece support platform 1. The position of the workpiece support 4 can be adjusted by the limiting slide 5, the workpiece can be supported by the workpiece support 4, the workpiece support 4 can be pressed and fixed to the workpiece support platform 1 by the locking seat 6 and the locking bolt 7 to improve stability, the side limit of the workpiece can be achieved by the side limit assembly 8, the side limit assembly 8 can be rotated and adjusted by the rotation adjustment assembly 9, and the workpiece can be pressed down and limited by the pressing plate 10;

[0025] Depend on Figures 2 to 4 It is given that the rotation adjustment component 9 is composed of a rotating shaft 11, a worm wheel 12, a worm 13 and a hexagonal rotating head 14. The rotating shaft 11 is fixedly connected to the middle position of the bottom end of the side limit component 8 and inserted into the workpiece support 4. The worm wheel 12 is fixedly connected to the bottom end of the rotating shaft 11. The worm 13 is rotatably connected to the inside of the workpiece support 4 and meshingly connected to the worm wheel 12. The hexagonal rotating head 14 is fixedly connected to one end of the worm 13. The rotating shaft 11 is rotatably connected to the workpiece support 4 through a bearing 15. One end of the side of the workpiece support 4 is provided with a mounting through hole 16 matching the worm 13 and the hexagonal rotating head 14.

[0026] During rotation adjustment, the hexagonal wrench is used to drive the hexagonal rotating head 14 to rotate, the hexagonal rotating head 14 drives the worm 13 to rotate, the worm 13 drives the worm wheel 12 to rotate, and the worm wheel 12 drives the rotating shaft 11 to rotate, thereby driving the side limit assembly 8 to rotate to achieve angle adjustment;

[0027] Depend on Figure 2 , Figure 4 , Figure 5 and Figure 6 It is given that the side limit assembly 8 is composed of a side limit frame 17, a plurality of combined limit sliders 18, a lifting adjustment screw 19, an adjusting hand wheel 20 and a pressure plate 21. Vertical slide grooves 22 are provided on both sides of the inside of the side limit frame 17. The combined limit slider 18 is slidably connected to the inside of the vertical slide groove 22. The lifting adjustment screw 19 is inserted in the middle position of the top of the side limit frame 17 and is threadedly connected thereto. The adjusting hand wheel 20 is fixedly connected to the top of the lifting adjustment screw 19. The pressure plate 21 is fixedly connected to the bottom of the lifting adjustment screw 19. The combined limit slider 18 is composed of a vertical limit slider 23 and a transverse limit slider 24. The vertical limit slider 23 is slidably connected to the inside of the vertical slide groove 22. The transverse limit slider 24 is fixedly connected to one side of the vertical limit slider 23. Transverse slide grooves 25 are provided on both sides of the pressure plate 10. The transverse limit slider 24 is slidably connected to the inside of the transverse slide groove 25.

[0028] When pressing down to limit the position, turn the adjusting hand wheel 20, and the lifting and lowering adjusting screw 19 is driven to rotate by the adjusting hand wheel 20, and the lifting and lowering adjusting screw 19 drives the pressure plate 21 to move downward synchronously, and the pressure plate 21 presses the pressure plate 10, and the pressure plate 10 is used to clamp and limit the workpiece. If clamping and limiting are not required, loosen the lifting and lowering adjusting screw 19, and push the pressure plate 10, so that the pressure plate 10 slides relative to the lateral limit slider 24 and moves to the other side of the side limit frame 17, so as to avoid affecting the processing operation on the top surface of the workpiece.

[0029] During work, by providing a workpiece support platform, a strip slide and a workpiece clamping mechanism, the angle of the workpiece clamping can be adjusted, which is suitable for clamping polygonal special-shaped workpieces. By providing a workpiece clamping mechanism composed of a workpiece support, a limit slide, a plurality of locking seats, a plurality of locking bolts, a side limit assembly, a rotation adjustment assembly and a pressure plate, the workpiece can be supported and the lateral limit and downward limit of the workpiece can be achieved at the same time, thereby improving the adjustability and stability of the clamping and thus improving the adaptability. By providing a rotation adjustment assembly composed of a rotating shaft, a worm gear, a worm and a hexagonal rotating head, the angle of the side limit assembly can be further adjusted to improve the convenience of clamping. By providing a combined limit slide composed of a vertical limit slide and a horizontal limit slide and providing a horizontal slide, the extension length of the pressure plate can be adjusted, thereby selecting the downward limit or not according to actual needs to improve the adaptability.

Claims

1. A workpiece clamping device for machining a mechanical machine tool, comprising a workpiece support table (1), characterized in that: The top of the workpiece support platform (1) is provided with a plurality of strip-shaped slide grooves (2), and the top of the workpiece support platform (1) is slidably provided with a plurality of workpiece clamping mechanisms (3) inserted into the strip-shaped slide grooves (2). The workpiece clamping mechanism (3) is composed of a workpiece support (4), a limit slide seat (5), a plurality of locking seats (6), a plurality of locking bolts (7), a side limit assembly (8), a rotation adjustment assembly (9) and a pressure plate (10). The limit slide seat (5) is fixedly connected to the bottom end of the workpiece support (4), the limit slide seat (5) is slidably connected to the inside of the strip-shaped slide groove (2), the locking seat (6) is fixedly connected to one end of the workpiece support (4), the locking bolt (7) is inserted into the locking seat (6) and matches the workpiece support platform (1), the side limit assembly (8) is connected to one end of the top of the workpiece support (4) through the rotation adjustment assembly (9), and the pressure plate (10) is slidably connected to the inside of the side limit assembly (8).

2. A workpiece clamping device for mechanical machine tool processing according to claim 1, characterized in that: The rotation adjustment assembly (9) is composed of a rotating shaft (11), a worm wheel (12), a worm (13) and a hexagonal rotating head (14); the rotating shaft (11) is fixedly connected to the middle position of the bottom end of the side limit assembly (8) and inserted into the workpiece support (4); the worm wheel (12) is fixedly connected to the bottom end of the rotating shaft (11); the worm (13) is rotatably connected to the inside of the workpiece support (4) and meshed with the worm wheel (12); and the hexagonal rotating head (14) is fixedly connected to one end of the worm (13).

3. A workpiece clamping device for mechanical machine tool processing according to claim 2, characterized in that: The rotating shaft (11) is rotatably connected to the workpiece support (4) via a bearing (15); a mounting through hole (16) matching the worm (13) and the hexagonal rotating head (14) is provided at one end of the side of the workpiece support (4).

4. A workpiece clamping device for mechanical machine tool processing according to claim 1, characterized in that: The side limit assembly (8) is composed of a side limit frame (17), a plurality of combined limit sliders (18), a lifting adjustment screw (19), an adjustment hand wheel (20) and a pressure plate (21). Vertical slide grooves (22) are provided on both sides of the inside of the side limit frame (17). The combined limit slider (18) is slidably connected to the inside of the vertical slide groove (22). The lifting adjustment screw (19) is inserted into the middle position of the top end of the side limit frame (17) and is threadedly connected thereto. The adjustment hand wheel (20) is fixedly connected to the top end of the lifting adjustment screw (19). The pressure plate (21) is fixedly connected to the bottom end of the lifting adjustment screw (19).

5. A workpiece clamping device for mechanical machine tool processing according to claim 4, characterized in that: The combined limit slider (18) is composed of a vertical limit slider (23) and a transverse limit slider (24), wherein the vertical limit slider (23) is slidably connected to the inside of the vertical slide groove (22), and the transverse limit slider (24) is fixedly connected to one side of the vertical limit slider (23).

6. A workpiece clamping device for mechanical machine tool processing according to claim 4, characterized in that: Both sides of the pressure plate (10) are provided with transverse sliding grooves (25), and the transverse limiting sliding blocks (24) are slidably connected to the inside of the transverse sliding grooves (25).

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