A drill bit positioning device for a drill grinder

Abstract

The utility model belongs to the field of drill grinder, especially a drill positioning device of drill grinder, in the light of the problem that the existing drill cannot rotate and cannot automatically move away from the cutting part, the following scheme is presented, it includes drill grinder drill positioning chuck, pivot, pivot is welded in the right -hand member of drill grinder drill positioning chuck, connecting seat, connecting seat rotation sleeve connection is in the surface of pivot, transmission case, transmission case is communicated in the opening of connecting seat bottom, slide, slide bolt connection is in the bottom of transmission case, can drive drill grinder drill positioning chuck rotation through the transmission of structure, so can change the cutting surface of drill grinder drill positioning chuck internal drill, let drill grinder can carry out cutting everywhere to drill grinder drill positioning chuck internal drill, and through the movement of slide, can let the drill of drill grinder drill positioning chuck automatically move away from the cutting structure or be close, be favorable to the safe operation of drill grinder.

Description

Technical Field

[0001] This utility model relates to the field of grinding and drilling machine technology, and in particular to a drill bit positioning device for a grinding and drilling machine. Background Technology

[0002] In the machining process, hand drills and bench drills are widely used. However, when the drill bits of these hand drills or bench drills become dull, their cutting edges need to be ground before they can be used again. For example, Chinese patent document with application number 202220851008.9 discloses a drill bit positioning device for a drill grinding machine.

[0003] However, the above technical solution cannot drive the fixed drill bit to rotate, which will affect the cutting and grinding of the drill bit by the grinding machine. In addition, the entire device cannot move away from the cutting structure on its own, which will affect the cutting effect. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of existing technologies where the drill bit cannot rotate and cannot automatically move away from the cutting area, and to propose a drill bit positioning device for a grinding machine.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A drill bit positioning device for a grinding drill machine includes a drill bit positioning chuck for the grinding drill machine;

[0007] The rotating shaft is welded to the right end of the drill bit positioning chuck of the grinding drill machine;

[0008] Connecting seat, the connecting seat is rotatably sleeved on the surface of the rotating shaft;

[0009] The transmission box is connected to the opening at the bottom of the connecting seat;

[0010] The slide bar is bolted to the bottom of the transmission box;

[0011] Mounting base, the mounting base is slidably connected to the surface of the slide bar;

[0012] The gear ring is keyed to the middle of the shaft surface;

[0013] Transmission gear, the transmission gear meshes with the teeth of the gear ring;

[0014] Sliding sleeve, which is hinged to the bottom of the slider;

[0015] The power mechanism is connected to the transmission gears;

[0016] The moving mechanism is connected to the sliding sleeve. Through the transmission of the structure, it can drive the drill bit positioning chuck of the grinding machine to rotate. This can change the cutting surface of the drill bit inside the drill bit positioning chuck, allowing the grinding machine to cut various parts of the drill bit inside the drilling machine drill bit positioning chuck. Moreover, by moving the slide bar, the drill bit of the grinding machine drill bit positioning chuck can automatically move away from or towards the cutting structure, which is beneficial to the safe operation of the grinding machine.

[0017] In a preferred embodiment of this utility model, the power mechanism includes a power motor, a worm gear, and a worm wheel. The output end of the power motor is keyed to one end of the worm gear. The surface of the worm gear meshes with the bottom of the worm wheel. The worm wheel is keyed to a transmission gear. The power motor is powered by an external power source and controlled by a controller. The power motor can drive the worm gear to rotate, and the worm gear can drive the worm wheel to rotate. The worm wheel and the worm gear have a self-locking function to prevent the worm wheel from driving the worm gear to rotate. The worm wheel can drive the transmission gear to rotate.

[0018] In a preferred embodiment of this utility model, the surface of the power motor is bolted to the inside of the transmission box, the worm gear is rotatably sleeved with the transmission box, the shaft of the transmission gear is rotatably connected to the inner wall of the transmission box, the power motor is fixed by the transmission box to facilitate the operation of the power motor, the worm gear is rotatably set with the transmission box through bearings to ensure the smoothness of the worm gear rotation, and the transmission gear is rotatably set with the transmission box through bearings.

[0019] In a preferred embodiment of this utility model, the moving mechanism includes an electric push cylinder, a hinge rod, and a transmission rod. The output end of the electric push cylinder is hinged to one end of the hinge rod, the hinge rod is hinged to the transmission rod, and the surface of the transmission rod is slidably connected to the inside of the sliding sleeve. The electric push cylinder is powered by an external power source and controlled by a controller. The electric push cylinder can drive the hinge rod to move, the hinge rod can drive the transmission rod to rotate, and the transmission rod can slide inside the sliding sleeve and drive the sliding sleeve to move.

[0020] In a preferred embodiment of this utility model, the surface of the electric push cylinder is bolted to the inner side of the mounting base, the transmission rod is hinged to the mounting base, the electric push cylinder is fixed by the mounting base, which facilitates the electric push cylinder to drive the hinged rod to move, and the transmission rod is rotatably set to the mounting base through a bearing, which facilitates the rotation of the transmission rod.

[0021] As a preferred embodiment of this utility model, the top of the mounting base is provided with a sliding groove, and the sliding groove of the mounting base is slidably connected to the surface of the slide bar. The slide bar is guided and limited by the sliding groove of the mounting base, so that the slide bar can move smoothly and avoid deviation and shaking.

[0022] Beneficial effects:

[0023] 1. The power mechanism can drive the transmission gear to rotate, the transmission gear can drive the gear ring to rotate, the gear ring can drive the rotating shaft to rotate, and the rotating shaft can drive the drill bit positioning chuck of the grinding drill machine to rotate;

[0024] 2. The moving mechanism can drive the sliding sleeve to move, the sliding sleeve can drive the sliding bar to move, the sliding bar can drive the transmission box to move, the transmission box can drive the connecting seat to move, the connecting seat can drive the rotating shaft to move, and the rotating shaft can drive the drill bit positioning chuck of the grinding and drilling machine to move.

[0025] In this invention, the transmission of the structure can drive the drill bit positioning chuck of the drilling machine to rotate, which can change the cutting surface of the drill bit inside the drill bit positioning chuck, allowing the drilling machine to cut various parts of the drill bit inside the drilling machine drill bit positioning chuck. Moreover, by moving the slide bar, the drill bit of the drilling machine drill bit positioning chuck can automatically move away from or towards the cutting structure, which is beneficial to the safe operation of the drilling machine. Attached Figure Description

[0026] Figure 1 This is a perspective view of the entire utility model;

[0027] Figure 2 This is a perspective view of the transmission box of this utility model;

[0028] Figure 3 This is a perspective view of the translation mechanism of this utility model;

[0029] Figure 4 This is a partial cross-sectional perspective view of the mounting base of this utility model.

[0030] In the diagram: 1. Drill bit positioning chuck for grinding and drilling machine; 2. Rotary shaft; 3. Connecting seat; 4. Transmission box; 5. Sliding bar; 6. Mounting seat; 7. Power motor; 8. Worm gear; 9. Worm wheel; 10. Transmission gear; 11. Gear ring; 12. Electric pusher cylinder; 13. Hinge rod; 14. Transmission rod; 15. Sliding sleeve. Detailed Implementation

[0031] 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.

[0032] Example 1

[0033] Reference Figures 1-4 A drill bit positioning device for a grinding drill machine, comprising a drill bit positioning chuck 1 for the grinding drill machine;

[0034] Rotary shaft 2 is welded to the right end of drill bit positioning chuck 1 of the grinding drill machine;

[0035] Connecting seat 3 is rotatably sleeved on the surface of rotating shaft 2;

[0036] Transmission box 4, transmission box 4 is connected to the opening at the bottom of the connecting seat 3;

[0037] Slide bar 5 is bolted to the bottom of transmission box 4;

[0038] Mounting base 6 is slidably connected to the surface of slide bar 5;

[0039] Gear ring 11, gear ring 11 is keyed to the middle end of the surface of rotating shaft 2;

[0040] Transmission gear 10 meshes with the teeth of gear ring 11;

[0041] Sliding sleeve 15 is hinged to the bottom of sliding bar 5;

[0042] The power mechanism is connected to the transmission gear 10;

[0043] The moving mechanism is connected to the sliding sleeve 15.

[0044] Through the above structure, the transmission of the structure can drive the drill bit positioning chuck 1 of the grinding machine to rotate, which can change the cutting surface of the drill bit inside the drill bit positioning chuck 1, allowing the grinding machine to cut various parts of the drill bit inside the drill bit positioning chuck 1. Moreover, through the movement of the slide bar 5, the drill bit of the drill bit positioning chuck 1 can automatically move away from or towards the cutting structure, which is beneficial to the safe operation of the grinding machine.

[0045] Please see Figure 2 The power mechanism includes a power motor 7, a worm 8, and a worm wheel 9. The output end of the power motor 7 is keyed to one end of the worm 8. The surface of the worm 8 meshes with the bottom of the worm wheel 9. The worm wheel 9 is keyed to the transmission gear 10. The power motor 7 uses an external power supply and is controlled by a controller. The power motor 7 can drive the worm 8 to rotate, and the worm 8 can drive the worm wheel 9 to rotate. The worm wheel 9 and the worm 8 have a self-locking function to prevent the worm wheel 9 from driving the worm 8 to rotate. The worm wheel 9 can drive the transmission gear 10 to rotate.

[0046] Please see Figure 2 The surface of the power motor 7 is bolted to the inside of the transmission box 4. The worm 8 is rotatably sleeved with the transmission box 4. The shaft of the transmission gear 10 is rotatably connected to the inner wall of the transmission box 4. The power motor 7 is fixed by the transmission box 4 to facilitate the operation of the power motor 7. The worm 8 is rotatably set with the transmission box 4 through bearings to ensure the smoothness of the rotation of the worm 8. The transmission gear 10 is rotatably set with the transmission box 4 through bearings.

[0047] Please see Figure 3The moving mechanism includes an electric push cylinder 12, a hinge rod 13, and a transmission rod 14. The output end of the electric push cylinder 12 is hinged to one end of the hinge rod 13, the hinge rod 13 is hinged to the transmission rod 14, and the surface of the transmission rod 14 is slidably connected to the inside of the sliding sleeve 15. The electric push cylinder 12 is powered by an external power source and controlled by a controller. The electric push cylinder 12 can drive the hinge rod 13 to move, the hinge rod 13 can drive the transmission rod 14 to rotate, and the transmission rod 14 can slide inside the sliding sleeve 15 and drive the sliding sleeve 15 to move.

[0048] Please see Figure 4 The surface of the electric push cylinder 12 is bolted to the inner side of the mounting base 6, the transmission rod 14 is hinged to the mounting base 6, the electric push cylinder 12 is fixed by the mounting base 6, which facilitates the electric push cylinder 12 to drive the hinge rod 13 to move, and the transmission rod 14 is rotatably set to the mounting base 6 through the bearing, which facilitates the rotation of the transmission rod 14.

[0049] Please see Figure 4 The top of the mounting base 6 is provided with a sliding groove, which is slidably connected to the surface of the slide bar 5. The slide bar 5 is guided and limited by the sliding groove of the mounting base 6, so that the slide bar 5 can move smoothly and avoid deviation and shaking.

[0050] Example 2

[0051] The difference between this embodiment and Embodiment 1 is that the power motor 7, worm 8 and worm wheel 9 are replaced with a geared motor. The geared motor can directly drive the transmission gear 10 to rotate. However, the geared motor requires high control precision and also needs to be equipped with a self-locking structure. Therefore, the preferred embodiment in this application is the power motor 7, worm 8 and worm wheel 9.

[0052] It should be noted that the specific model of the power motor 7 and electric push cylinder 12 used shall be selected by those skilled in the art. Furthermore, the power motor 7 and electric push cylinder 12 mentioned above are all existing technologies and will not be elaborated upon in this solution.

[0053] The drill bit positioning chuck 1 of the grinding machine adopts existing technology and can use the clamping and positioning structure of the patent with application number 202220851008.9.

[0054] The operating steps of this utility model are as follows: The drill bit positioning chuck 1 of the grinding machine can hold the positioning drill bit. The mounting base 6 is installed at the clamping and positioning position of the grinding machine. The power motor 7 uses an external power supply and is controlled by a controller. The power motor 7 can drive the worm 8 to rotate, and the worm 8 can drive the worm wheel 9 to rotate. The worm wheel 9 and the worm 8 have a self-locking function to prevent the worm wheel 9 from driving the worm 8 to rotate. The worm wheel 9 can drive the transmission gear 10 to rotate, and the transmission gear 10 can drive the gear ring 11 to rotate. The gear ring 11 can drive the rotating shaft 2 to rotate. The rotating shaft 2 can drive the drill bit positioning chuck 1 of the grinding machine to rotate. The electric push cylinder 12 adopts an external power supply and is controlled by a controller. The electric push cylinder 12 can drive the hinge rod 13 to move. The hinge rod 13 can drive the transmission rod 14 to rotate. The transmission rod 14 can slide inside the sliding sleeve 15 and drive the sliding sleeve 15 to move. The sliding sleeve 15 can drive the slide bar 5 to move. The slide bar 5 can drive the transmission box 4 to move. The transmission box 4 can drive the connecting seat 3 to move. The connecting seat 3 can drive the rotating shaft 2 to move. The rotating shaft 2 can drive the drill bit positioning chuck 1 of the grinding machine to move.

[0055] 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 drill bit positioning device for a grinding drill, comprising a drill bit positioning chuck (1) for the grinding drill, characterized in that: Rotary shaft (2), which is welded to the right end of the drill bit positioning chuck (1) of the grinding drill machine; Connecting seat (3) is rotatably sleeved on the surface of rotating shaft (2); Transmission box (4), transmission box (4) is connected to the opening at the bottom of the connecting seat (3); Slide bar (5), which is bolted to the bottom of transmission box (4); Mounting base (6), which is slidably connected to the surface of slide bar (5); Gear ring (11), gear ring (11) is keyed to the middle end of the surface of shaft (2); Transmission gear (10) meshes with the teeth of gear ring (11); Sliding sleeve (15), which is hinged to the bottom of the slider (5); The power mechanism is connected to the transmission gear (10); The moving mechanism is connected to the sliding sleeve (15).

2. The drill bit positioning device for a grinding drill according to claim 1, characterized in that, The power mechanism includes a power motor (7), a worm (8) and a worm wheel (9). The output end of the power motor (7) is keyed to one end of the worm (8), the surface of the worm (8) meshes with the bottom of the worm wheel (9), and the worm wheel (9) is keyed to the transmission gear (10).

3. The drill bit positioning device for a grinding drill according to claim 2, characterized in that, The surface of the power motor (7) is bolted to the inside of the transmission box (4), the worm (8) is rotatably sleeved with the transmission box (4), and the shaft of the transmission gear (10) is rotatably connected to the inner wall of the transmission box (4).

4. The drill bit positioning device for a grinding drill according to claim 1, characterized in that, The moving mechanism includes an electric push cylinder (12), a hinge rod (13) and a transmission rod (14). The output end of the electric push cylinder (12) is hinged to one end of the hinge rod (13), the hinge rod (13) is hinged to the transmission rod (14), and the surface of the transmission rod (14) is slidably connected to the inside of the sliding sleeve (15).

5. The drill bit positioning device for a grinding drill according to claim 4, characterized in that, The surface of the electric push cylinder (12) is bolted to the inner side of the mounting base (6), and the transmission rod (14) is hinged to the mounting base (6).

6. The drill bit positioning device for a grinding drill according to claim 1, characterized in that, The top of the mounting base (6) is provided with a sliding groove, and the sliding groove of the mounting base (6) is slidably connected to the surface of the slide bar (5).

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