CN111941159A

CN111941159A - Grinding equipment for turning tool

Info

Publication number: CN111941159A
Application number: CN202010812367.9A
Authority: CN
Inventors: 马宁疆
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2020-11-17

Abstract

The invention discloses grinding equipment for a turning tool, which comprises a rack, wherein a clamping and positioning device and a fixing frame are arranged on the rack, and the clamping and positioning device and the fixing frame are oppositely arranged; the clamping and positioning device comprises a transverse sliding rail, the transverse sliding rail is fixed on the rack, a transverse sliding table is mounted on the transverse sliding rail, a rotating shaft is mounted at the center of the transverse sliding table, the top end of the rotating shaft is fixedly connected with a longitudinal sliding rail, a longitudinal sliding table is mounted on the longitudinal sliding rail, a clamp base is fixed on the longitudinal sliding table, a clamp fixing block is arranged on the clamp base and matched with the clamp base, and a clamp motor is fixed at the top end of the clamp fixing block; a grinding wheel motor is fixed on the fixing frame flat plate, and a grinding wheel is fixed at the output end of the grinding wheel motor; according to the invention, the clamp motor is fixedly arranged at the top end of the clamp fixing block, so that the turning tool can be automatically clamped and fixed without manual fastening; the grinding angle of the turning tool can be accurately read through the dial; through drain through-hole, the cooling problem of lathe tool process of polishing has been solved.

Description

Grinding equipment for turning tool

Technical Field

The invention belongs to the technical field of lathe tool polishing equipment, and particularly relates to polishing equipment for a lathe tool.

Background

At present, a turning tool mainly grinds a cutting edge on a grinding wheel manually, and the technical level of workers is required to be higher. The turning tool body is seriously heated during sharpening, so that the turning tool body is easy to scald hands and cannot be firmly held in the hands, the edge face of the turning tool cannot be polished smoothly, the sharpening quality of the turning tool is influenced, and the processing efficiency of the turning tool in the use and turning process is influenced; in addition, the annealing of the position of the cutting edge can be caused by the overhigh temperature of the turning tool in the grinding process, the durability of the turning tool is reduced, the turning tool on the turning machine is frequently replaced, and the turning work efficiency is influenced; the angle of the cutting edge of the manual grinding turning tool is difficult to accurately control; when the lathe tool is manually ground, the working personnel can cause arm ache due to overlong processing time, and meanwhile, the surface of the lathe tool can remain part of dirt after the lathe tool is ground, so that the neatness of the lathe tool is reduced.

The clamping device of the prior lathe tool polishing equipment clamps a lathe tool through a manual rotating bolt so as to fasten the lathe tool on a polishing machine, and the method wastes time and labor in the fastening and detaching process, has low working efficiency and is not suitable for polishing of a large number of lathe tools.

The Chinese patent with the patent number of CN103506894B discloses a double-sided cooling double-grinding-head type knife sharpener, which consists of a two-dimensional moving workbench, a knife clamp, a cooling liquid storage tank, two liquid guide pipes, two motors, two rotating shafts and knife grinding wheels arranged on the two rotating shafts, wherein blind holes are respectively arranged on one end surfaces of the two rotating shafts along the axis, one ends of the two liquid guide pipes respectively extend into the blind holes of the two rotating shafts, and the other ends of the two liquid guide pipes are communicated with the cooling liquid storage tank; liquid guide holes communicated with the blind holes are respectively formed in the two rotating shafts and positioned on two sides of the knife sharpening wheel; the tool holder is mainly composed of three fixed seats, two movable ejector rods and two fixed ejector rods. The tool clamp of the knife sharpener can only fixedly place the turning tool perpendicular to the grinding wheel, but cannot adjust the fixed angle of the turning tool and can not well fix the precise angle to sharpen the turning tool; and the coolant is added from the central rotating shaft of the grinding wheel, so that the coolant can splash along with the rotation of the grinding wheel, and the turning tool cannot be directly cooled.

Disclosure of Invention

The invention aims to provide polishing equipment for a turning tool, which drives a threaded rod to rotate through a clamp motor, so that a clamp base and a clamp fixing block can well clamp and fix the turning tool without manual fastening; the position of the clamp can be freely and rotatably adjusted, the grinding angle of the turning tool can be accurately read through the dial, and the problem that the grinding angle of the turning tool is not accurate is solved; through the matching of the transverse sliding table and the longitudinal sliding table, the problem of poor sharpening quality caused by high temperature and scalding of manual sharpening in the prior art is solved; through set up drain through-hole on the anchor clamps fixed block, it is fixed to pass the anchor clamps fixed block with the coolant liquid pipe, makes the coolant liquid pipe closer to the lathe tool, and the coolant liquid has directly trickled to the lathe tool on, has solved the cooling problem of lathe tool process of polishing.

The purpose of the invention can be realized by the following technical scheme:

a grinding device for a turning tool comprises a rack, wherein a clamping and positioning device and a fixing frame are arranged on the upper surface of the rack, and the clamping and positioning device and the fixing frame are oppositely arranged on two sides of the upper surface of the rack;

the clamping and positioning device comprises a transverse sliding rail, the transverse sliding rail is fixed on the upper surface of the frame, a transverse sliding table is installed on the transverse sliding rail and is connected with the transverse sliding rail in a sliding manner, a rotating shaft is installed at the center of the upper surface of the transverse sliding table and is connected with the transverse sliding table in a rotating manner, a rotating shaft cover is fixed on the upper surface of the transverse sliding table and penetrates through the rotating shaft cover, a longitudinal sliding rail is arranged above the rotating shaft, the rotating shaft is fixedly connected with one end of the longitudinal sliding rail, a longitudinal sliding table is installed on the longitudinal sliding rail and is connected with the longitudinal sliding rail in a sliding manner, a fixture base is fixed on the upper surface of the longitudinal sliding table, a threaded hole is formed in the center of the fixture base, a plurality of fixture guide rods which are uniformly distributed are fixed on a fixture base, a through hole is formed in the center of the fixture fixing block, a threaded rod is arranged in the through hole in the center of the fixture fixing block and is rotatably connected with the fixture fixing block, the bottom end of the threaded rod is matched with a central threaded hole of the fixture base, a fixture motor is fixedly mounted at the top end of the fixture fixing block, and the top end of the threaded rod is fixedly connected with the output end of the fixture motor;

the fixing frame comprises a guide rail, a sliding block, a fixing frame guide rod and a fixing frame flat plate, the guide rail and the fixing frame guide rod are vertically arranged, the bottom ends of the guide rail and the fixing frame guide rod are respectively fixed with the upper surface of the frame, the sliding block is arranged on the guide rail, the sliding block is connected with the guide rail in a sliding mode, a sliding sleeve is arranged on the fixing frame guide rod and is connected with the fixing frame guide rod in a sliding mode, and two ends of the fixing frame flat;

the grinding wheel motor is fixed on the upper surface of the fixing frame flat plate, and a grinding wheel is fixedly installed at the output end of the grinding wheel motor.

Further, one side that the mount was kept away from to horizontal slip table is equipped with horizontal fastening handle, horizontal fastening handle and horizontal slip table one end spiro union, and horizontal fastening handle screw thread end runs through horizontal slip table lateral wall, and horizontal fastening handle screw thread end contacts with horizontal slide rail.

Furthermore, a longitudinal fastening handle is arranged at the center of one side of the longitudinal sliding table and is in threaded connection with the longitudinal sliding table, a threaded end of the longitudinal fastening handle penetrates through the side wall of the longitudinal sliding table, and the threaded end of the longitudinal fastening handle is in contact with the longitudinal sliding rail.

Furthermore, four backing plates are arranged between the clamp base and the clamp fixing block, and the four backing plates are respectively fixed on the mutually opposite planes of the clamp base and the clamp fixing block.

Furthermore, two liquid guiding through holes which are symmetrically arranged are formed in the clamp fixing block and are parallel to the longitudinal slide rail.

Further, the inside calibrated scale that is equipped with of rotating shaft lid, calibrated scale and rotation axis fixed connection are equipped with the eccentric wheel in the rotating shaft lid, and the eccentric wheel is located one side of calibrated scale, and the eccentric wheel cooperatees with the calibrated scale, and the eccentric wheel top is equipped with rotatory fastening shaft, and rotatory fastening shaft runs through the rotating shaft lid, and rotatory fastening shaft rotates with the rotating shaft lid to be connected, is equipped with rotatory fastening handle above the rotatory fastening shaft, rotatory fastening shaft bottom and eccentric wheel centre of a circle position fixed connection, rotatory fastening shaft top and rotatory fastening handle fixed connection.

Further, the guide rail top is fixed with the sideboard, and the one side that the mount guide arm was kept away from to the guide rail is equipped with the lead screw motor, and the lead screw motor is fixed on the sideboard, is equipped with the lead screw between guide rail and the slider, and the lead screw runs through the slider, and the lead screw is connected with the slider spiro union, and the lead screw bottom is rotated with the frame and is connected, and the sideboard is run through on the lead screw top, and the lead screw rotates with the sideboard to be connected, and the driven wheel is installed on the lead screw top, and the.

The invention has the beneficial effects that:

1. according to the invention, the clamp motor is arranged at the top end of the clamp fixing block and drives the threaded rod to rotate, so that the clamp fixing block slides downwards, a turning tool can be quickly and effectively clamped and fixed without manually rotating a bolt for fastening, and the working efficiency of turning tool polishing is improved;

2. according to the invention, the dial is fixed on the rotating shaft, so that the grinding angle of the turning tool can be more accurately controlled, the sharpening quality of the turning tool is improved, and the processing efficiency of the turning tool in turning use is improved;

3. according to the invention, the liquid guiding through hole is formed in the fixture fixing block, the cooling liquid guide pipe can penetrate through the fixture fixing block to be fixed, so that the cooling liquid guide pipe is closer to the turning tool, and the cooling liquid directly flows onto the turning tool, so that the turning tool can be cooled, the phenomenon that the hardness is reduced due to annealing caused by temperature rise in the grinding process of the cutting edge of the turning tool can be prevented, and the scraps on the turning tool can be washed clean, so that the subsequent cleaning process can be reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a grinding device for a turning tool according to the present invention;

FIG. 2 is a top view of a grinding apparatus for a turning tool according to the present invention;

FIG. 3 is a cross-sectional view of the clamp positioning device of the present invention;

FIG. 4 is a side partial cross-sectional view of the clamp positioning device of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a frame; 2. clamping and positioning the device; 201. a transverse slide rail; 202. a transverse sliding table; 203. transversely fastening the handle; 204. a rotating shaft cover; 205. a rotating shaft; 206. a longitudinal slide rail; 207. a longitudinal sliding table; 208. longitudinally fastening a handle; 209. a clamp base; 210. a base plate; 211. a clamp guide rod; 212. a fixture fixing block; 213. a clamp motor; 214. a threaded rod; 215. a dial scale; 216. rotating the fastening handle; 217. rotating the fastening shaft; 218. an eccentric wheel; 219. a liquid guiding through hole; 3. a fixed mount; 301. a guide rail; 302. a slider; 303. a screw motor; 304. a driving wheel; 305. a driven wheel; 306. a side plate; 307. a screw rod; 308. a fixed frame guide rod; 309. a sliding sleeve; 310. fixing a frame flat plate; 4. a grinding wheel; 401. and a grinding wheel motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the invention is a grinding device for a turning tool, comprising a frame 1, wherein a clamping and positioning device 2 and a fixed mount 3 are mounted on the upper surface of the frame 1, and the clamping and positioning device 2 and the fixed mount 3 are oppositely arranged on two sides of the upper surface of the frame 1;

the clamping and positioning device 2 comprises a transverse sliding rail 201, the transverse sliding rail 201 is fixed on the upper surface of the frame 1, a transverse sliding table 202 is installed on the transverse sliding rail 201, the transverse sliding table 202 is connected with the transverse sliding rail 201 in a sliding manner, a rotating shaft 205 is installed at the center of the upper surface of the transverse sliding table 202, the rotating shaft 205 is connected with the transverse sliding table 202 in a rotating manner, a rotating shaft cover 204 is fixed on the upper surface of the transverse sliding table 202, the rotating shaft 205 penetrates through the rotating shaft cover 204, a longitudinal sliding rail 206 is arranged above the rotating shaft 205, the rotating shaft 205 is fixedly connected with one end of the longitudinal sliding rail 206, a longitudinal sliding table 207 is installed on the longitudinal sliding rail 206, the longitudinal sliding table 207 is connected with the longitudinal sliding rail 206 in a sliding manner, a clamp base 209 is fixed on the upper surface of the longitudinal sliding table 207, a, the clamp fixing block 212 is matched with the clamp base 209, a boss of the clamp fixing block 212 is provided with a through hole matched with the clamp guide rod 211, the center of the clamp fixing block 212 is provided with a through hole, a threaded rod 214 is arranged in the through hole in the center of the clamp fixing block 212, the threaded rod 214 is rotatably connected with the clamp fixing block 212, the bottom end of the threaded rod 214 is matched with a threaded hole in the center of the clamp base 209, the top end of the clamp fixing block 212 is fixedly provided with a clamp motor 213, and the top end of the threaded rod;

the fixing frame 3 comprises a guide rail 301, a sliding block 302, a fixing frame guide rod 308 and a fixing frame flat plate 310, the guide rail 301 and the fixing frame guide rod 308 are vertically arranged, the bottom ends of the guide rail 301 and the fixing frame guide rod 308 are respectively fixed with the upper surface of the frame 1, the sliding block 302 is arranged on the guide rail 301, the sliding block 302 is in sliding connection with the guide rail 301, a sliding sleeve 309 is arranged on the fixing frame guide rod 308, the sliding sleeve 309 is in sliding connection with the fixing frame guide rod 308, and two ends of the fixing frame flat plate 310 are respectively;

the flat plate 310 of the fixing frame is provided with a grinding wheel motor 401, the grinding wheel motor 401 is fixed on the upper surface of the flat plate 310 of the fixing frame, and the output end of the grinding wheel motor 401 is fixedly provided with a grinding wheel 4.

Referring to fig. 1, 2 and 4, a transverse fastening handle 203 is disposed on a side of the transverse sliding table 202 away from the fixed frame 3, the transverse fastening handle 203 is screwed with one end of the transverse sliding table 202, a threaded end of the transverse fastening handle 203 penetrates through a side wall of the transverse sliding table 202, and the threaded end of the transverse fastening handle 203 is in contact with the transverse sliding rail 201.

Referring to fig. 1, 2 and 3, a longitudinal fastening handle 208 is disposed at the center of one side of the longitudinal sliding table 207, the longitudinal fastening handle 208 is screwed with the longitudinal sliding table 207, a threaded end of the longitudinal fastening handle 208 penetrates through a side wall of the longitudinal sliding table 207, and a threaded end of the longitudinal fastening handle 208 contacts with the longitudinal sliding rail 206.

Referring to fig. 3, four backing plates 210 are disposed between the clamp base 209 and the clamp fixing block 212, and the four backing plates 210 are respectively fixed on the mutually opposite planes of the clamp base 209 and the clamp fixing block 212.

Two symmetrically arranged liquid guiding through holes 219 are formed in the clamp fixing block 212, and the liquid guiding through holes 219 are parallel to the longitudinal slide rail 206.

The inside of the rotating shaft cover 204 is provided with a dial 215, the dial 215 is fixedly connected with a rotating shaft 205, the rotating shaft cover 204 is internally provided with an eccentric wheel 218, the eccentric wheel 218 is positioned at one side of the dial 215, the eccentric wheel 218 is matched with the dial 215, a rotating fastening shaft 217 is arranged above the eccentric wheel 218, the rotating fastening shaft 217 penetrates through the rotating shaft cover 204, the rotating fastening shaft 217 is rotatably connected with the rotating shaft cover 204, a rotating fastening handle 216 is arranged above the rotating fastening shaft 217, the bottom end of the rotating fastening shaft 217 is fixedly connected with the circle center of the eccentric wheel 218, and the top end of the rotating fastening shaft 217 is fixedly connected with the rotating fastening.

The top end of the guide rail 301 is fixed with a side plate 306, one side of the guide rail 301, which is far away from the guide rod 308 of the fixed frame, is provided with a screw rod motor 303, the screw rod motor 303 is fixed on the side plate 306, a screw rod 307 is arranged between the guide rail 301 and the slider 302, the screw rod 307 penetrates through the slider 302, the screw rod 307 is in threaded connection with the slider 302, the bottom end of the screw rod 307 is rotatably connected with the frame 1, the top end of the screw rod 307 penetrates through the side plate 306, the screw rod 307 is rotatably connected with the side plate 306, the top end of the screw rod 307 is provided with a driven wheel.

The working principle of the invention is as follows: when the turning tool is used, the turning tool is placed on any side of the clamp base 209, the cutting edge end of the turning tool is adjusted to extend out of the clamp base 209 by a proper length, then the clamp motor 213 is started, the clamp motor 213 drives the threaded rod 214 to rotate, the clamp fixing block 212 slides downwards quickly through the matching of the threaded rod 214 and a central threaded hole of the clamp base 209 until the turning tool between the clamp base 209 and the clamp fixing block 212 is clamped and stopped, the turning tool is reliably fixed on the clamp base 209, the base plate 210 is arranged between the clamp base 209 and the clamp fixing block 212, and the base plate 210 is made of nylon plastic plate materials; controlling the screw rod motor 303 to rotate forwards and reversely, driving wheels 304 drive the driven wheels 305 to rotate through belts, the driven wheels 305 drive the screw rods 307 to rotate, and the screw rods 307 drive the sliding blocks 302 to slide up and down along the guide rails 301, so that the up-down position of the fixed frame flat plate 310 is controlled, and the up-down position of the grinding wheel 4 is changed;

after the turning tool is clamped and fixed, the longitudinal fastening handle 208 is rotated to enable the threaded end of the longitudinal fastening handle 208 to be far away from the longitudinal sliding rail 206, so that the longitudinal sliding table 207 can freely slide on the longitudinal sliding rail 206, the distance between the cutting edge end of the turning tool and the grinding wheel 4 is controlled by adjusting the position of the longitudinal sliding table 207 on the longitudinal sliding rail 206, then the longitudinal fastening handle 208 is rotated reversely to enable the threaded end of the longitudinal fastening handle 208 to be abutted against the longitudinal sliding rail 206, and the longitudinal sliding table 207 is ensured to be fixed and not to slide; the transverse fastening handle 203 is rotated in the same way, and the position of the fixed transverse sliding table 202 on the transverse sliding rail 201 is adjusted;

when the special angle of the cutting edge of the turning tool is polished, the eccentric wheel 218 is rotated to a position far away from the dial 215 by using the rotary fastening handle 216, the angle between the turning tool and the grinding wheel 4 can be accurately controlled through the dial 215, the accuracy of sharpening is improved, and after the sharpening angle is determined, the rotary fastening handle 216 is rotated to enable the cylindrical surface of the eccentric wheel 218 to be tightly attached to the cylindrical surface of the dial 215, so that the rotating shaft 205 is locked and fixed against rotation;

the liquid guide through hole 219 has been seted up on anchor clamps fixed block 212, can pass anchor clamps fixed block 212 with the coolant liquid pipe fixed, makes the cooling duct closer to the lathe tool, and the coolant liquid directly trickles on the lathe tool, can be for the lathe tool cooling on the one hand, prevents that the lathe tool cutting edge from rising the production annealing and reducing the hardness at the in-process temperature of polishing, and on the other hand can wash away the piece on the lathe tool totally, reduces follow-up cleaning process.

The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.

Claims

1. The utility model provides a lathe tool is with equipment of polishing which characterized in that: the clamping and positioning device comprises a rack (1), wherein a clamping and positioning device (2) and a fixing frame (3) are arranged on the upper surface of the rack (1), and the clamping and positioning device (2) and the fixing frame (3) are oppositely arranged on two sides of the upper surface of the rack (1);

the clamping and positioning device (2) comprises a transverse sliding rail (201), the transverse sliding rail (201) is fixed on the upper surface of the rack (1), a transverse sliding table (202) is installed on the transverse sliding rail (201), the transverse sliding table (202) is connected with the transverse sliding rail (201) in a sliding manner, a rotating shaft (205) is installed at the center of the upper surface of the transverse sliding table (202), the rotating shaft (205) is connected with the transverse sliding table (202) in a rotating manner, a rotating shaft cover (204) is fixed on the upper surface of the transverse sliding table (202), the rotating shaft (205) penetrates through the rotating shaft cover (204), a longitudinal sliding rail (206) is arranged above the rotating shaft (205), the rotating shaft (205) is fixedly connected with one end of the longitudinal sliding rail (206), a longitudinal sliding table (207) is installed on the longitudinal sliding rail (206), the longitudinal sliding table (207) is connected with the longitudinal sliding rail (206) in a sliding manner, a, a plurality of evenly distributed clamp guide rods (211) are fixed on a boss of a clamp base (209), a clamp fixing block (212) is arranged above the clamp base (209), the clamp fixing block (212) is matched with the clamp base (209), a through hole matched with the clamp guide rods (211) is formed in the boss of the clamp fixing block (212), a through hole is formed in the center of the clamp fixing block (212), a threaded rod (214) is arranged in the through hole in the center of the clamp fixing block (212), the threaded rod (214) is rotatably connected with the clamp fixing block (212), the bottom end of the threaded rod (214) is matched with the threaded hole in the center of the clamp base (209), a clamp motor (213) is fixedly installed at the top end of the clamp fixing block (212), and the top end of the threaded rod;

the fixing frame (3) comprises a guide rail (301), a sliding block (302), a fixing frame guide rod (308) and a fixing frame flat plate (310), the guide rail (301) and the fixing frame guide rod (308) are vertically placed, the bottom ends of the guide rail (301) and the fixing frame guide rod (308) are respectively fixed with the upper surface of the rack (1), the sliding block (302) is installed on the guide rail (301), the sliding block (302) is connected with the guide rail (301) in a sliding mode, a sliding sleeve (309) is installed on the fixing frame guide rod (308), the sliding sleeve (309) is connected with the fixing frame guide rod (308) in a sliding mode, and two ends of the fixing frame flat plate (310) are respectively;

the grinding wheel motor (401) is arranged on the fixing frame flat plate (310), the grinding wheel motor (401) is fixed on the upper surface of the fixing frame flat plate (310), and a grinding wheel (4) is fixedly arranged at the output end of the grinding wheel motor (401).

2. The grinding apparatus for the lathe tool according to claim 1, wherein: one side of the transverse sliding table (202) far away from the fixing frame (3) is provided with a transverse fastening handle (203), the transverse fastening handle (203) is in threaded connection with one end of the transverse sliding table (202), the threaded end of the transverse fastening handle (203) penetrates through the side wall of the transverse sliding table (202), and the threaded end of the transverse fastening handle (203) is in contact with the transverse sliding rail (201).

3. The grinding apparatus for the lathe tool according to claim 1, wherein: the center of one side of the longitudinal sliding table (207) is provided with a longitudinal fastening handle (208), the longitudinal fastening handle (208) is in threaded connection with the longitudinal sliding table (207), the threaded end of the longitudinal fastening handle (208) penetrates through the side wall of the longitudinal sliding table (207), and the threaded end of the longitudinal fastening handle (208) is in contact with the longitudinal sliding rail (206).

4. The grinding apparatus for the lathe tool according to claim 1, wherein: four backing plates (210) are arranged between the clamp base (209) and the clamp fixing block (212), and the four backing plates (210) are respectively fixed on the mutually opposite planes of the clamp base (209) and the clamp fixing block (212).

5. The grinding apparatus for the lathe tool according to claim 1, wherein: two liquid guiding through holes (219) which are symmetrically arranged are formed in the clamp fixing block (212), and the liquid guiding through holes (219) are parallel to the longitudinal sliding rails (206).

6. The grinding apparatus for the lathe tool according to claim 1, wherein: the novel rotary fastening device is characterized in that a dial (215) is arranged inside the rotary shaft cover (204), the dial (215) is fixedly connected with the rotary shaft (205), an eccentric wheel (218) is arranged in the rotary shaft cover (204), the eccentric wheel (218) is located on one side of the dial (215), the eccentric wheel (218) is matched with the dial (215), a rotary fastening shaft (217) is arranged above the eccentric wheel (218), the rotary fastening shaft (217) penetrates through the rotary shaft cover (204), the rotary fastening shaft (217) is rotatably connected with the rotary shaft cover (204), a rotary fastening handle (216) is arranged above the rotary fastening shaft (217), the bottom end of the rotary fastening shaft (217) is fixedly connected with the circle center of the eccentric wheel (218), and the top end of the rotary fastening shaft (217) is fixedly connected with the rotary fastening handle (.

7. The grinding apparatus for the lathe tool according to claim 1, wherein: guide rail (301) top is fixed with sideboard (306), one side that guide rail (301) kept away from mount guide arm (308) is equipped with lead screw motor (303), lead screw motor (303) are fixed on sideboard (306), be equipped with lead screw (307) between guide rail (301) and slider (302), lead screw (307) run through slider (302), lead screw (307) and slider (302) spiro union, lead screw (307) bottom is rotated with frame (1) and is connected, lead screw (307) top runs through sideboard (306), lead screw (307) are rotated with sideboard (306) and are connected, follow driving wheel (305) are installed on lead screw (307) top, driving wheel (304) are installed to lead screw motor (303) output, driving wheel (304) are connected the transmission through the belt with follow driving wheel (305).