Tapping machine clamping device

Abstract

The utility model discloses a tapping machine clamping device which comprises a base, a supporting column is arranged at the upper end of the base, a driving box is arranged at the upper end of the supporting column, a drill bit is arranged at the lower end of the driving box, a working table is arranged on the outer wall of the supporting column, a movable plate is arranged above the working table, a mounting groove is formed in the movable plate, and a clamping groove is formed in the mounting groove. A mounting groove is formed in the upper end of the movable plate, a plurality of clamping blocks arranged in the circumferential direction are arranged in the mounting groove, an annular groove is formed in the upper end of the movable plate, a moving mechanism used for moving the multiple clamping blocks is arranged between the annular groove and the mounting groove, and a lifting mechanism used for lifting the movable plate is arranged at the lower end of the workbench. The movable screws move to push the clamping blocks to be folded, so that the clamping blocks make contact with parts, the effect of fixing the parts of different sizes is achieved, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tapping machines, in particular to a clamping device for tapping machines. Background Art

[0002] A tapping machine is a machine tool that uses taps to create internal threads. It is the most widely used type of internal threading machine. According to national machinery industry standards, tapping machine categories include: benchtop tapping machines (semi-automatic benchtop tapping machines), vertical tapping machines, and horizontal tapping machines. For some reason, an important and widely used category is not included: folding-arm tapping machines (hydraulic tapping machines, electric tapping machines, and pneumatic tapping machines).

[0003] The tapping machines in the prior art are generally not equipped with a device for fixing parts during operation, so that when tapping the parts, people need to manually hold the parts to perform the tapping operation, which not only brings trouble to people but also reduces the practicality of the device. Some devices that have a device for fixing parts are generally fixed on the workbench and cannot be adjusted, so that parts of different heights cannot be fixed, reducing the overall adaptability of the device. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art. A tapping machine clamping device is proposed by moving multiple movable screws to push multiple clamping blocks together, so that multiple clamping blocks come into contact with parts, thereby achieving the effect of fixing parts of different sizes and improving the practicality of the device.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A tapping machine clamping device includes a base, a support column is provided at the upper end of the base, a drive box is provided at the upper end of the support column, a drill bit is provided at the lower end of the drive box, a workbench is provided on the outer wall of the support column, a movable plate is provided above the workbench, a mounting groove is provided on the movable plate, a plurality of circumferentially arranged clamping blocks are provided in the mounting groove, an annular groove is provided on the upper end of the movable plate, a movable mechanism for moving the plurality of clamping blocks is provided between the annular groove and the mounting groove, and a lifting mechanism for lifting the movable plate is provided at the lower end of the workbench.

[0007] Preferably, the moving mechanism includes a plurality of circumferentially arranged adjusting threaded tubes that are rotatably connected between the annular groove and the mounting groove, and a moving screw is threadedly connected through each of the plurality of adjusting threaded tubes, and the ends of the plurality of moving screws are respectively connected to a plurality of clamping blocks.

[0008] Preferably, the lifting mechanism includes a plurality of circumferentially arranged lifting threaded tubes that are rotatably connected to the upper end of the workbench, and the plurality of lifting threaded tubes are threadedly connected with lifting screws, and the upper ends of the plurality of lifting screws are connected to the lower end of the movable plate.

[0009] Preferably, a fixed frame is provided at the lower end of the workbench, and a power motor is provided at the bottom of the fixed frame.

[0010] Preferably, the groove walls on both sides of the annular groove are provided with rotating grooves, a rotating ring is rotatably connected between the two rotating grooves, a plurality of fixing columns are provided on the upper end of the rotating ring, and a damping gasket is provided at the rotating connection between the rotating ring and the rotating groove.

[0011] Preferably, the outer walls of the plurality of adjusting threaded tubes are provided with bevel gears, the lower end of the rotating ring is provided with a bevel gear ring, and the plurality of bevel gears are meshed with the bevel gear ring.

[0012] Preferably, the side walls of the plurality of clamping blocks are each provided with two limiting plates, and the plurality of pairs of limiting plates pass through the walls of the mounting grooves and are slidably connected thereto.

[0013] Preferably, a driving wheel is provided at the end of the output shaft of the power motor, and the outer walls of the plurality of lifting threaded tubes are each provided with a driven wheel meshing with the driving wheel.

[0014] Beneficial effects of the utility model:

[0015] 1. By moving multiple movable screws to push multiple clamping blocks together, multiple clamping blocks are brought into contact with parts, thereby achieving the effect of fixing parts of different sizes and improving the practicality of the device.

[0016] 2. By moving multiple lifting screws to push the movable plate to move, the distance between the movable plate and the workbench changes, so that the device can fix parts of different heights and improve the overall adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a left side schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a right side schematic diagram of the overall structure of the utility model;

[0019] Figure 3 It is a bottom view schematic diagram of the overall structure of the utility model;

[0020] Figure 4 This is a schematic bottom view of the internal structure of the movable plate of the utility model;

[0021] Figure 5 It is a schematic top view of the overall structure section of the present invention.

[0022] In the figure: 1 base, 2 support column, 3 drive box, 4 workbench, 5 lifting threaded tube, 6 lifting screw, 7 moving plate, 8 fixed frame, 9 annular groove, 10 rotating ring, 11 fixed column, 12 power motor, 13 driving wheel, 14 drill bit, 15 moving screw, 16 clamping block, 17 bevel gear ring, 18 bevel gear, 19 rotating groove, 20 limit plate, 21 adjusting threaded tube. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0025] Reference Figure 1-5 The upper end of the movable frame 1 is provided with a plurality of movable blocks 16, and the movable frame 1 is provided with a plurality of movable blocks 16.

[0026] A lifting mechanism for lifting the movable plate 7 is provided at the lower end of the workbench 4. The lifting mechanism includes a plurality of circumferentially arranged lifting threaded tubes 5 that are rotatably connected to the upper end of the workbench 4. Lifting screws 6 are threadedly connected through the plurality of lifting threaded tubes 5. The upper ends of the plurality of lifting screws 6 are connected to the lower end of the movable plate 7. By moving the plurality of lifting screws 6, the movable plate 7 is pushed to move, thereby changing the distance between the movable plate 7 and the workbench 4, so that the device can fix parts of different heights and improve the overall adaptability of the device.

[0027] A fixed frame 8 is provided at the lower end of the workbench 4 , and a power motor 12 is provided at the bottom of the fixed frame 8 .

[0028] Rotation grooves 19 are provided on both sides of the annular groove 9. A rotating ring 10 is rotatably connected between the two rotating grooves 19. A plurality of fixing columns 11 are provided on the upper end of the rotating ring 10. A damping gasket is provided at the rotation connection between the rotating ring 10 and the rotating groove 19.

[0029] The outer walls of the plurality of adjusting threaded tubes 21 are each provided with a bevel gear 18 , and the lower end of the rotating ring 10 is provided with a bevel gear ring 17 , and the plurality of bevel gears 18 are all meshed with the bevel gear ring 17 .

[0030] Two limiting plates 20 are provided on the side walls of the multiple clamping blocks 16 , and the multiple pairs of limiting plates 20 pass through the walls of the installation grooves and are slidably connected thereto.

[0031] A driving wheel 13 is provided at the end of the output shaft of the power motor 12 , and a driven wheel meshing with the driving wheel 13 is provided on the outer walls of the plurality of lifting threaded tubes 5 .

[0032] When the present invention is used, when tapping a part, the part is placed in the installation groove, and one of the multiple fixing columns 11 is pushed, so that the fixing column 11 rotates with the rotating ring 10, thereby rotating the bevel gear ring 17 at the lower end of the rotating ring 10, and utilizing the engagement of the bevel gear ring 17 with the multiple bevel gears 18, the multiple bevel gears 18 rotate to drive the multiple adjusting threaded tubes 21 to rotate, and then utilizing the threaded connection between the adjusting threaded tubes 21 and the moving screw 15, and the limiting action of the multiple pairs of limiting plates 20 on the clamping blocks 16, the multiple moving screws 15 are moved to push the multiple clamping blocks 16 to close (with the threads of the two moving screws 15 in opposite directions), so that the multiple clamping blocks 16 contact with the parts, thereby achieving the effect of fixing parts of different sizes, thereby improving the practicality of the device;

[0033] When the distance between the movable plate 7 and the workbench 4 needs to be adjusted according to the height of the parts, the power motor 12 is started to rotate the driving wheel 13 on the outer wall of the output shaft of the power motor 12, and the driving wheel 13 is engaged with multiple driven wheels, so that the multiple driven wheels rotate to drive the multiple lifting threaded tubes 5 to rotate, and the lifting threaded tubes 5 are threadedly connected to the lifting screw 6 to move the multiple lifting screws 6 to push the movable plate 7 to move, thereby changing the distance between the movable plate 7 and the workbench 4, so that the device can fix parts of different heights and improve the overall adaptability of the device.

[0034] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tapping machine clamping device, comprising a base (1), characterized in that: The upper end of the base (1) is provided with a support column (2), the upper end of the support column (2) is provided with a drive box (3), the lower end of the drive box (3) is provided with a drill bit (14), the outer wall of the support column (2) is provided with a workbench (4), a movable plate (7) is provided above the workbench (4), a mounting groove is provided on the movable plate (7), a plurality of circumferentially arranged clamping blocks (16) are provided in the mounting groove, an annular groove (9) is provided at the upper end of the movable plate (7), a moving mechanism for moving the plurality of clamping blocks (16) is provided between the annular groove (9) and the mounting groove, and a lifting mechanism for lifting the movable plate (7) is provided at the lower end of the workbench (4).

2. A tapping machine clamping device according to claim 1, characterized in that: The moving mechanism comprises a plurality of circumferentially arranged adjusting threaded tubes (21) that are rotatably connected between the annular groove (9) and the mounting groove, wherein the plurality of adjusting threaded tubes (21) are all threadedly connected with moving screws (15), and the ends of the plurality of moving screws (15) are respectively connected to a plurality of clamping blocks (16).

3. A tapping machine clamping device according to claim 2, characterized in that: The lifting mechanism comprises a plurality of circumferentially arranged lifting threaded tubes (5) that are rotatably connected to the upper end of the workbench (4), wherein the plurality of lifting threaded tubes (5) are all threadedly connected with lifting screws (6), and the upper ends of the plurality of lifting screws (6) are all connected to the lower end of the movable plate (7).

4. A tapping machine clamping device according to claim 3, characterized in that: A fixed frame (8) is provided at the lower end of the workbench (4), and a power motor (12) is provided at the bottom of the fixed frame (8).

5. A tapping machine clamping device according to claim 4, characterized in that: The groove walls on both sides of the annular groove (9) are provided with rotating grooves (19), a rotating ring (10) is rotatably connected between the two rotating grooves (19), a plurality of fixing columns (11) are provided at the upper end of the rotating ring (10), and a damping gasket is provided at the rotating connection between the rotating ring (10) and the rotating groove (19).

6. A tapping machine clamping device according to claim 5, characterized in that: The outer walls of the plurality of adjusting threaded tubes (21) are each provided with a bevel gear (18), the lower end of the rotating ring (10) is provided with a bevel gear ring (17), and the plurality of bevel gears (18) are each meshed with the bevel gear ring (17).

7. A tapping machine clamping device according to claim 6, characterized in that: The side walls of the plurality of clamping blocks (16) are each provided with two limiting plates (20), and the plurality of pairs of limiting plates (20) are each passed through the mounting groove wall and are slidably connected thereto.

8. A tapping machine clamping device according to claim 7, characterized in that: A driving wheel (13) is provided at the end of the output shaft of the power motor (12), and a plurality of the lifting threaded tubes (5) are provided on their outer walls with driven wheels meshing with the driving wheel (13).

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