Drill bit machining equipment with controllable taper

Abstract

The utility model relates to the technical field of drill bit machining, in particular to taper-controllable drill bit machining equipment which can clamp drill bits with different diameters, can adjust the grinding taper, and is good in universality, simple in structure and easy and convenient to operate. Comprising a bottom plate, a shaft rod and a grinding wheel, and the grinding wheel is concentrically installed on the shaft rod; comprising a vertical plate, a shaft pipe, a plurality of pressing blocks and a threaded sleeve, the vertical plate is installed on a bottom plate, the lower end of a shaft rod is installed on the bottom plate, the shaft pipe is horizontally and rotatably installed on the vertical plate, a plurality of inserting grooves are evenly formed in the circumference of the side wall of the shaft pipe, the pressing blocks are inserted into the inserting grooves of the shaft pipe respectively, and guide slopes are arranged on the front sides of the outer ends of the pressing blocks. The threaded sleeve is rotationally connected to the outer wall of the shaft tube in a threaded mode, the threaded sleeve is located in front of the pressing blocks, chamfers matched with the guide slopes of the pressing blocks are arranged at the rear end of the threaded sleeve, and the chamfers form a conical slope.

Description

Technical Field

[0001] The utility model relates to the technical field of drill bit processing, in particular to a drill bit processing device with controllable taper. Background Art

[0002] After the drill bit is produced, the end of the drill bit needs to be polished, and the end is polished into different tapers according to the type of drill bit. In the prior art, the Chinese utility model patent with publication number CN217800598U proposes a drill bit processing equipment with controllable taper. The equipment drives the screw to rotate through a driving component, and then drives the non-screw to rotate and move up and down through the cooperation of the threaded ring, thereby driving the upper connecting plate, the lower connecting plate and the limit rod to move up and down, so as to facilitate the lower connecting plate to move to a suitable position, and the rotating plate is driven to rotate on the first rotating seat through the rotating component, so as to facilitate the grinding head to be adjusted to a suitable taper, and the placement tube is driven to rotate by the driving component to facilitate the drill bit to rotate. Therefore, the drill bit processing equipment with controllable taper is convenient for processing the drill bit into drill bits with different tapers.

[0003] However, the above-mentioned prior art clamps the drill rod of the drill bit by placing a tube structure, which is inconvenient for clamping drill bits of different diameters and has poor versatility. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a drill processing equipment with controllable taper, which can clamp drill bits with different diameters, can adjust the grinding taper, has good versatility, simple structure, and is easy and convenient to operate.

[0005] The utility model discloses a drill processing device with controllable taper, comprising a base plate, an axle and a grinding wheel, wherein the grinding wheel is concentrically mounted on the axle; comprising a vertical plate, an axle tube, a plurality of pressing blocks and a threaded sleeve, wherein the vertical plate is mounted on the base plate, the lower end of the axle rod is mounted on the base plate, the axle tube is horizontally rotatably mounted on the vertical plate, a plurality of slots are evenly arranged on the circumference of the side wall of the axle tube, a plurality of pressing blocks are respectively inserted into the plurality of slots of the axle tube, a plurality of guiding slopes are arranged on the front sides of the outer ends of the plurality of pressing blocks, the threaded sleeve is rotatably screwed on the outer wall of the axle tube, the threaded sleeve is located in front of the plurality of pressing blocks, a chamfer matching the guiding slopes of the plurality of pressing blocks is arranged at the rear end of the threaded sleeve, and the chamfer constitutes a conical inclined surface; The drill rod of the head is installed in the shaft tube, so that the inner ends of the multiple pressing blocks are respectively in contact with the outer wall of the drill rod, and the threaded sleeve is rotated and tightened to make the threaded sleeve move toward the multiple pressing blocks, so that the threaded sleeve squeezes the guide slopes of the multiple pressing blocks through the conical inclined surface, thereby pushing the multiple pressing blocks into the interior of the shaft tube, so that the inner ends of the multiple pressing blocks clamp the drill rod, and the angle of the shaft rod is adjusted so that the wheel surface of the grinding wheel and the end of the drill bit form a certain taper. The shaft tube and the shaft rod rotate at the same time, so that the wheel surface of the grinding wheel is fully ground to the end of the drill bit and forms a certain taper. Compared with the prior art, it can clamp a drill bit with a diameter smaller than the inner diameter of the shaft tube, has good versatility, simple structure, and simple and convenient operation.

[0006] Preferably, it also includes a fixed wire, which is coaxially rotatably screwed into the rear end of the shaft tube, and a tapered positioning hole is set at the inner end of the fixed wire; after the drill bit is installed into the front end of the shaft tube, the drill rod of the drill bit is clamped and positioned by the tapered positioning hole of the fixed wire, so that the length of the drill bit end extending out of the shaft tube is fixed, and the fixed wire is rotated to adjust the length of the drill bit end extending out, thereby improving practicality.

[0007] Preferably, it also includes a bracket, an axle rod frame and a push cylinder, the bracket is installed on the base plate, the lower end of the axle rod frame is rotatably connected to the bracket, the axle is rotatably installed on the axle rod frame, one end of the push cylinder is rotatably connected to the base plate, and the other end of the push cylinder is rotatably connected to the upper end of the axle rod frame; the bracket and the axle rod frame support the axle rod and the grinding wheel, the piston rod of the push cylinder is extended or shortened to push the axle rod frame to adjust the angle, thereby adjusting the taper of the axle rod and the grinding wheel to grind the drill bit end, which has good practicality.

[0008] Preferably, it also includes a nut, which is rotatably threaded on the shaft rod, and the nut locks the grinding wheel on the shaft rod; the installation and removal of the grinding wheel on the shaft rod are facilitated by providing the nut.

[0009] Preferably, it also includes a slide, a motor, a driving gear, a reduction gear group and a driven gear. The slide is installed on the base plate, the vertical plate is installed on the slide, and the motor is installed on the slide. The driving gear is concentrically installed on the output shaft of the motor, and the reduction gear group is rotatably installed on the vertical plate. The reduction gear group is provided with a plurality of meshing transmission gears, and the driven gear is concentrically installed on the outer wall of the shaft tube. The driving gear is meshed with the reduction gear group, and the reduction gear group is meshed with the driven gear; the motor drives the driving gear to rotate, the driving gear meshes with the reduction gear group to rotate, the reduction gear group meshes with the driven gear to rotate, and the driven gear drives the shaft tube to rotate, thereby realizing the driving of the shaft tube, which has good practicality.

[0010] Preferably, it also includes a slide rail, a push rod and a baffle, the slide rail is installed on the base plate, the slide table is slidably installed on the slide rail through a slider, one end of the push rod is connected to the slide table, and the other end of the push rod is connected to the baffle, and the baffle is installed on the base plate; the extension or shortening of the push rod drives the slide table to move along the slide rail, thereby changing the relative position of the drill bit end and the grinding wheel, realizing grinding feeding, which has good practicality.

[0011] Preferably, it also includes a telescopic driving shaft, a transmission shaft and a universal shaft, and the transmission gears of the reduction gear group are set to an even number, one end of the telescopic driving shaft is transmission-connected to the output shaft of the motor, the front end of the telescopic driving shaft is transmission-connected to the rear end of the transmission shaft, the transmission shaft is rotatably installed on the baffle, the front end of the transmission shaft is transmission-connected to the shaft rod through the universal shaft, and the hinge of the universal shaft is concentrically arranged with the hinge of the bracket and the shaft rod frame; the output shaft of the motor drives the driving gear and the telescopic driving shaft to rotate, the telescopic driving shaft drives the transmission shaft to rotate, and the transmission shaft drives the shaft rod and the grinding wheel to rotate through the universal shaft, thereby driving the shaft rod and the grinding wheel. Since the transmission gears of the reduction gear group are set to an even number, the grinding wheel and the drill bit rotate relatively, thereby improving the grinding efficiency.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the drill rod of the drill bit is installed into the shaft tube, so that the inner ends of the multiple pressing blocks are respectively in contact with the outer walls of the drill rod, and the threaded sleeve is rotated and tightened to move the threaded sleeve toward the multiple pressing blocks, so that the threaded sleeve squeezes the guide slopes of the multiple pressing blocks through the conical inclined surface, thereby pushing the multiple pressing blocks toward the inside of the shaft tube, so that the inner ends of the multiple pressing blocks clamp the drill rod, and the angle of the shaft rod is adjusted so that the wheel surface of the grinding wheel forms a certain taper with the end of the drill bit, and the shaft tube and the shaft rod rotate at the same time, so that the wheel surface of the grinding wheel fully grinds the end of the drill bit and forms a certain taper. Compared with the prior art, it can clamp a drill bit with a diameter smaller than the inner diameter of the shaft tube, has good versatility, simple structure, and simple and convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model;

[0014] Figure 2It is a side view structural schematic diagram of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the disassembly of the shaft tube, shaft rod and grinding wheel of the utility model;

[0016] Figure 4 It is a partial cross-sectional structural diagram of the shaft tube, the pressing block and the threaded sleeve;

[0017] Figure 5 It is a schematic diagram of the structure of the shaft rod, grinding wheel, bracket, shaft rod frame and push cylinder.

[0018] Markings in the attached drawings: 1. base plate; 2. shaft rod; 3. grinding wheel; 4. vertical plate; 5. shaft tube; 6. pressure block; 7. threaded sleeve; 8. bracket; 9. shaft rod frame; 10. push cylinder; 11. slide; 12. motor; 13. driving gear; 14. reduction gear set; 15. driven gear; 16. slide rail; 17. push rod; 18. baffle; 19. fixed wire; 20. nut; 21. telescopic drive shaft; 22. transmission shaft; 23. universal shaft. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] Example 1

[0021] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, a taper controllable drill processing equipment comprises a base plate 1, a shaft rod 2 and a grinding wheel 3, wherein the grinding wheel 3 is concentrically mounted on the shaft rod 2; a vertical plate 4, a shaft tube 5, a plurality of pressing blocks 6 and a threaded sleeve 7, wherein the vertical plate 4 is mounted on the base plate 1, the lower end of the shaft rod 2 is mounted on the base plate 1, the shaft tube 5 is horizontally rotatably mounted on the vertical plate 4, a plurality of slots are evenly arranged on the circumference of the side wall of the shaft tube 5, a plurality of pressing blocks 6 are respectively inserted into the plurality of slots of the shaft tube 5, and the outer front sides of the plurality of pressing blocks 6 are all arranged A guide slope, a threaded sleeve 7 is rotatably screwed on the outer wall of the shaft tube 5, the threaded sleeve 7 is located in front of the multiple pressing blocks 6, and the rear end of the threaded sleeve 7 is provided with a chamfer matching the guide slope of the multiple pressing blocks 6, and the chamfer constitutes a conical inclined surface; it also includes a fixed wire 19, the fixed wire 19 is coaxially rotatably screwed in the rear end of the shaft tube 5, and a conical positioning hole is provided at the inner end of the fixed wire 19; it also includes a nut 20, the nut 20 is rotatably screwed on the shaft rod 2, and the nut 20 locks the grinding wheel 3 on the shaft rod 2.

[0022] The screw thread 19 is rotated to adjust the length of the drill bit end extending out. After the drill bit is installed in the front end of the shaft tube 5, the drill rod of the drill bit is clamped and positioned by the tapered positioning hole of the screw thread 19, so that the length of the drill bit end extending out of the shaft tube 5 is fixed, so that the inner ends of the plurality of pressing blocks 6 are respectively in contact with the outer wall of the drill rod, and the threaded sleeve 7 is rotated and tightened to make the threaded sleeve 7 move toward the plurality of pressing blocks 6, so that the threaded sleeve 7 squeezes the guide slopes of the plurality of pressing blocks 6 through the tapered inclined surface, thereby pushing the plurality of pressing blocks 6 toward the inside of the shaft tube 5, so that the inner ends of the plurality of pressing blocks 6 clamp the drill rod, and adjust the angle of the shaft rod 2 so that the wheel surface of the grinding wheel 3 and the end of the drill bit form a certain taper. The shaft tube 5 and the shaft rod 2 rotate at the same time, so that the wheel surface of the grinding wheel 3 is fully ground to the end of the drill bit and forms a certain taper. Compared with the prior art, it can clamp a drill bit with a diameter smaller than the inner diameter of the shaft tube 5, and the installation and disassembly of the grinding wheel 3 on the shaft rod 2 is convenient by providing a nut 20.

[0023] Example 2

[0024] like Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, on the basis of Example 1, it also includes a bracket 8, an axle rod frame 9 and a push cylinder 10, the bracket 8 is installed on the base plate 1, the lower end of the axle rod frame 9 is rotatably connected to the bracket 8, the axle rod 2 is rotatably installed on the axle rod frame 9, one end of the push cylinder 10 is rotatably connected to the base plate 1, and the other end of the push cylinder 10 is rotatably connected to the upper end of the axle rod frame 9; it also includes a slide 11, a motor 12, a driving gear 13, a reduction gear set 14 and a driven gear 15, the slide 11 is installed on the base plate 1, the vertical plate 4 is installed on the slide 11, the motor 12 is installed on the slide 11, the output shaft of the motor 12 is concentrically installed with the driving gear 13, the reduction gear set 14 is rotatably installed on the vertical plate 4, the reduction gear set 14 is provided with a plurality of meshing transmission gears, the driven gear 15 is concentrically installed on the outer wall of the shaft tube 5, the driving gear 13 and the reduction gear set 14 are The reduction gear set 14 is meshed with the driven gear 15; it also includes a slide rail 16, a push rod 17 and a baffle 18, the slide rail 16 is installed on the base plate 1, the slide 11 is slidably installed on the slide rail 16 through a slider, one end of the push rod 17 is connected to the slide 11, and the other end of the push rod 17 is connected to the baffle 18, and the baffle 18 is installed on the base plate 1; it also includes a telescopic drive shaft 21, a transmission shaft 22 and a universal shaft 23, and the transmission gears of the reduction gear set 14 are set to an even number, one end of the telescopic drive shaft 21 is transmission-connected to the output shaft of the motor 12, the front end of the telescopic drive shaft 21 is transmission-connected to the rear end of the transmission shaft 22, the transmission shaft 22 is rotatably installed on the baffle 18, the front end of the transmission shaft 22 is transmission-connected to the shaft rod 2 through the universal shaft 23, and the hinge of the universal shaft 23 is concentrically arranged with the hinge of the bracket 8 and the shaft rod frame 9.

[0025] The bracket 8 and the shaft rod frame 9 support the shaft rod 2 and the grinding wheel 3. The piston rod of the push cylinder 10 is extended or shortened to push the shaft rod frame 9 to adjust the angle, thereby adjusting the taper of the end of the drill bit ground by the shaft rod 2 and the grinding wheel 3. The motor 12 drives the driving gear 13 to rotate, the driving gear 13 engages with the reduction gear set 14 to rotate, the reduction gear set 14 engages with the driven gear 15 to rotate, and the driven gear 15 drives the shaft tube 5 to rotate, thereby driving the shaft tube 5. The output shaft of the motor 12 drives the driving gear 1 3 and the telescopic drive shaft 21 rotate, the telescopic drive shaft 21 drives the transmission shaft 22 to rotate, and the transmission shaft 22 drives the shaft rod 2 and the grinding wheel 3 to rotate through the universal shaft 23, thereby driving the shaft rod 2 and the grinding wheel 3. Since the transmission gears of the reduction gear group 14 are an even number, the grinding wheel 3 and the drill bit rotate relatively, thereby improving the grinding efficiency. The push rod 17 is extended or shortened to drive the slide 11 to move along the slide rail 16, thereby changing the relative position of the drill bit end and the grinding wheel 3 to realize grinding feeding.

[0026] like Figures 1 to 5 As shown, the utility model is a kind of taper controllable drill processing equipment. When it is working, the drill rod of the drill bit is first installed into the shaft tube 5, and the drill rod of the drill bit is clamped and positioned by the tapered positioning hole of the fixed wire 19, so that the length of the drill end extending out of the shaft tube 5 is fixed, and the inner ends of the plurality of pressing blocks 6 are respectively in contact with the outer wall of the drill rod, and then the threaded sleeve 7 is rotated and tightened to make the threaded sleeve 7 move toward the plurality of pressing blocks 6, so that the threaded sleeve 7 squeezes the guide slopes of the plurality of pressing blocks 6 through the tapered inclined surface, thereby pushing the plurality of pressing blocks 6 toward the inside of the shaft tube 5, so that the inner ends of the plurality of pressing blocks 6 clamp the drill rod, and then the piston rod of the push cylinder 10 is extended or shortened to push the shaft rod frame 9 to adjust the angle, thereby adjusting the shaft rod 2 and the grinding wheel 3 to grind the taper of the drill end, and the motor 12 The driving gear 13 is driven to rotate, and the driving gear 13 meshes with the reduction gear set 14 to rotate, and the reduction gear set 14 meshes with the driven gear 15 to rotate, and the driven gear 15 drives the shaft tube 5 to rotate. At the same time, the output shaft of the motor 12 drives the driving gear 13 and the telescopic driving shaft 21 to rotate, and the telescopic driving shaft 21 drives the transmission shaft 22 to rotate. The transmission shaft 22 drives the shaft rod 2 and the grinding wheel 3 to rotate through the universal shaft 23, so as to drive the shaft rod 2 and the grinding wheel 3. Since the transmission gears of the reduction gear set 14 are an even number, the grinding wheel 3 and the drill bit rotate relatively, and finally the push rod 17 drives the slide 11 to move along the slide rail 16 to realize grinding feeding, so that the wheel surface of the grinding wheel 3 is fully ground to the end of the drill bit and a certain taper is formed.

[0027] The main functions achieved by this utility model are:

[0028] 1. It can clamp drill bits of different diameters and has good versatility;

[0029] 2. Ability to adjust the grinding taper;

[0030] 3. The drill bit and the grinding wheel can rotate relative to each other, and the grinding efficiency is high;

[0031] 4. It can automatically feed materials to achieve comprehensive grinding of the drill bit end.

[0032] The utility model is a kind of taper controllable drill processing equipment, and its installation method, connection method or setting method are all common mechanical methods, and can be implemented as long as it can achieve its beneficial effects; the shaft rod 2, grinding wheel 3, threaded sleeve 7, push cylinder 10, motor 12, driving gear 13, reduction gear set 14, driven gear 15, slide rail 16, push rod 17, fixed wire 19, nut 20, telescopic drive shaft 21, transmission shaft 22, and universal shaft 23 of the utility model are purchased on the market, and technical personnel in this industry only need to install and operate it according to the accompanying instruction manual, without the need for technical personnel in this field to pay creative labor.

[0033] All technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0034] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A drill processing device with controllable taper, comprising a base plate (1), a shaft (2) and a grinding wheel (3), wherein the grinding wheel (3) is concentrically mounted on the shaft (2); characterized in that: The utility model comprises a vertical plate (4), an axle tube (5), a plurality of pressing blocks (6) and a threaded sleeve (7), wherein the vertical plate (4) is mounted on a base plate (1), the lower end of the axle rod (2) is mounted on the base plate (1), the axle tube (5) is horizontally rotatably mounted on the vertical plate (4), a plurality of slots are evenly arranged on the circumference of the side wall of the axle tube (5), a plurality of pressing blocks (6) are respectively inserted into the plurality of slots of the axle tube (5), a guide slope is arranged on the front side of the outer ends of the plurality of pressing blocks (6), the threaded sleeve (7) is rotatably screwed on the outer wall of the axle tube (5), the threaded sleeve (7) is located in front of the plurality of pressing blocks (6), and a chamfer matching the guide slopes of the plurality of pressing blocks (6) is arranged at the rear end of the threaded sleeve (7), and the chamfer forms a conical inclined surface.

2. A taper-controllable drill processing device as claimed in claim 1, characterized in that: It also comprises a fixed wire (19), which is coaxially rotatably screwed into the rear end of the shaft tube (5), and a conical positioning hole is arranged at the inner end of the fixed wire (19).

3. The taper-controllable drill processing equipment according to claim 1, characterized in that: The invention also comprises a bracket (8), an axle rod frame (9) and a push cylinder (10), wherein the bracket (8) is mounted on the base plate (1), the lower end of the axle rod frame (9) is rotatably connected to the bracket (8), the axle rod (2) is rotatably mounted on the axle rod frame (9), one end of the push cylinder (10) is rotatably connected to the base plate (1), and the other end of the push cylinder (10) is rotatably connected to the upper end of the axle rod frame (9).

4. A taper-controllable drill processing device as claimed in claim 3, characterized in that: The invention also comprises a nut (20), which is rotatably threaded on the shaft (2), and the nut (20) locks the grinding wheel (3) on the shaft (2).

5. The taper-controllable drill processing equipment according to claim 1, characterized in that: The invention also comprises a slide (11), a motor (12), a driving gear (13), a reduction gear set (14) and a driven gear (15). The slide (11) is mounted on the base plate (1), the vertical plate (4) is mounted on the slide (11), the motor (12) is mounted on the slide (11), the output shaft of the motor (12) is coaxially mounted with the driving gear (13), the reduction gear set (14) is rotatably mounted on the vertical plate (4), the reduction gear set (14) is provided with a plurality of meshing transmission gears, the driven gear (15) is coaxially mounted on the outer wall of the shaft tube (5), the driving gear (13) is meshed with the reduction gear set (14), and the reduction gear set (14) is meshed with the driven gear (15).

6. The taper-controllable drill processing equipment according to claim 5, characterized in that: The invention also comprises a slide rail (16), a push rod (17) and a baffle (18), wherein the slide rail (16) is mounted on the base plate (1), the slide table (11) is slidably mounted on the slide rail (16) via a slider, one end of the push rod (17) is connected to the slide table (11), the other end of the push rod (17) is connected to the baffle (18), and the baffle (18) is mounted on the base plate (1).

7. The taper-controllable drill processing equipment according to claim 5, characterized in that: The invention also comprises a telescopic drive shaft (21), a transmission shaft (22) and a universal shaft (23); the transmission gears of the reduction gear set (14) are arranged to be an even number; one end of the telescopic drive shaft (21) is transmission-connected to the output shaft of the motor (12); the front end of the telescopic drive shaft (21) is transmission-connected to the rear end of the transmission shaft (22); the transmission shaft (22) is rotatably mounted on the baffle (18); the front end of the transmission shaft (22) is transmission-connected to the shaft rod (2) via the universal shaft (23); and the hinge of the universal shaft (23) is concentrically arranged with the hinge of the bracket (8) and the shaft rod bracket (9).

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