CN113084255A

CN113084255A - Carbide milling cutter processingequipment of convenient adjustment depth of cut

Info

Publication number: CN113084255A
Application number: CN202110413320.XA
Authority: CN
Inventors: 包文峰; 恽克勤; 徐祥; 江禹轩; 巢红星
Original assignee: Changzhou Kenda Tools Co ltd
Current assignee: Changzhou Kenda Tools Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-07-09

Abstract

The invention discloses a hard alloy milling cutter processing device convenient for adjusting cutting depth, and relates to the technical field of mechanical equipment; a fixed block is fixed at the upper end of the right side of the working base, an air cylinder is fixed at the left side of the fixed block, a clamping seat is fixed at the pushing end of the air cylinder, a placing groove is formed in the clamping seat, a cutter handle in the cutter is arranged in the placing groove, a clamping mechanism is arranged between the cutter handle and the placing groove, a support is fixed at the upper end of the left side of the working base, a fixed seat is fixed at the bottom of the horizontal end in the support, a driving mechanism is arranged in the fixed seat, and a support frame is arranged at the; can press from both sides tight operation to the handle of a knife of milling cutter, make milling cutter be in the firm state when processing man-hour, improved milling cutter's processingquality to, according to milling cutter's processing demand, adjust through driving the saw bit, make the distance between saw bit and the milling cutter change, thereby process the chip groove of the different degree of depth.

Description

Carbide milling cutter processingequipment of convenient adjustment depth of cut

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a hard alloy milling cutter machining device with the cutting depth convenient to adjust.

Background

The milling cutter is a rotary cutter for milling machining having one or more cutter teeth; when in work, each cutter tooth cuts off the allowance of the workpiece in turn and intermittently, and the milling cutter is mainly used for processing planes, steps, grooves, forming surfaces, cutting off the workpiece and the like on a milling machine; the milling cutter is made of high-speed tool steel and hard alloy, wherein the milling cutter made of the hard alloy has higher cutting speed than the milling cutter made of the high-speed tool steel and has better wear resistance; in order to ensure that the average chip thickness and the feed per tooth which are high enough are used, the number of teeth of a milling cutter which is suitable for the working procedure must be correctly determined, a milling cutter processing device is a tool for manufacturing the milling cutter, when the milling cutter processing device carries out chip discharge on the milling cutter, a cutter handle of the milling cutter cannot be clamped well when some milling cutter processing devices carry out processing, so that the milling cutter is easy to deviate in the processing process, the processing quality of the milling cutter is influenced, the milling cutter is scrapped, the depth of a slot in the groove can not be regulated, and chip discharge grooves with the same depth can only be formed on milling cutters of different types, and the milling cutter processing device.

Disclosure of Invention

The invention aims to provide a hard alloy milling cutter processing device which is simple in structure, reasonable in design, convenient to use and convenient to adjust cutting depth, can clamp a cutter handle of a milling cutter, enables the milling cutter to be in a stable state during processing, improves processing quality of the milling cutter, and enables the distance between the saw blade and the milling cutter to be changed by driving the saw blade to adjust according to processing requirements of the milling cutter, so that chip grooves with different depths are processed.

In order to achieve the purpose, the invention adopts the technical scheme that: the saw blade cutting machine comprises a working base and a saw blade, wherein the saw blade is arranged on the working base; the cutting tool also comprises a fixed block, a clamping seat, a support frame, a fixed seat, a clamping mechanism and a driving mechanism, wherein the fixed block is fixed at the upper end of the right side of the working base, a cylinder is fixed at the left side of the fixed block, the clamping seat is fixed at the pushing end of the cylinder, guide rails are symmetrically fixed at the front and the back of the working base, the clamping seat is arranged on the guide rails in a left-right sliding manner through a groove body at the bottom of the clamping seat, a placing groove is formed in the clamping seat, a tool handle in the cutting tool is arranged in the placing groove, the clamping mechanism is arranged between the tool handle and the placing groove, the support frame is fixed at the upper end of the left side of the working base, the support frame is arranged in an inverted U-shaped structure, the fixed seat is fixed at the bottom of a horizontal end in the support frame, the driving mechanism is arranged, an output shaft of the rotating motor penetrates through the vertical end and is fixedly provided with a rotating shaft, and the saw blade is sleeved and fixed on the rotating shaft;

the clamping mechanism comprises an electric push rod, a clamping block, a guide motor, an external threaded pipe, an internal threaded pipe, a connecting block and a clamping frame, wherein the electric push rod is fixed on the inner walls of the upper side and the lower side of the placing groove, the clamping block is fixed on the pushing end of the electric push rod and is arranged in an arc structure, the guide motor is fixed on the inner walls of the front side and the rear side of the placing groove, the external threaded pipe is fixed on an output shaft of the guide motor, the internal threaded pipe is spirally connected with the external threaded pipe through threads, the connecting block is fixed at the other end of the internal threaded pipe, the clamping frame is arranged at the other side of the connecting block and is in a U-shaped structure, the vertical end in the clamping frame is connected and fixed with the connecting block, the horizontal ends of the upper side and the lower side in the clamping frame are inserted on the clamping block, the guide columns are arranged on the upper side and the lower side of the connecting block, one end of the guide rod, which is far away from the clamping frame, is fixed on the inner wall of the placing groove;

the driving mechanism comprises a driving motor, a rotating gear, a rotating connecting rod, a driving frame, a driving block, a driving seat, a limiting seat and a connecting frame, wherein the driving motor is symmetrically fixed at the front and back of the left side of the fixing seat, the rotating gear is sleeved and fixed on the rotating shaft after an output shaft of the driving motor passes through the fixing seat, the rotating gear is meshed between the front rotating gear and the back rotating gear, the rotating connecting rod is hinged at the right side of the rotating gear through a hinged shaft, the limiting seat is fixed on the inner bottom surface of the fixing seat, a limiting driving groove is formed in the limiting seat, the driving block is arranged in the limiting driving groove in a sliding manner, the driving frame is fixed at the right side of the driving block, supporting shafts are symmetrically fixed at the front and back of the right side of the driving frame, the lower end of the rotating connecting rod is sleeved on the supporting shafts, the driving seat is fixed at the left, the vertical end of the connecting frame is fixed on the horizontal end of the supporting frame after penetrating through the bottom plate of the fixed seat;

the rotating motor, the guide motor and the driving motor are all connected with an external power supply, and the air cylinder is connected with an external air source.

Furthermore, guide seats are fixed on the inner walls of the front side and the rear side of the placing groove, the guide seats are arranged on the periphery of the guide motor, the connecting block penetrates through the guide seats, guide grooves are formed in the inner walls of the upper side and the lower side of each guide seat, guide rails are fixed on the upper side and the lower side of each connecting block, and the guide rails are arranged in the guide grooves in a front-and-back sliding manner; the connecting block drives the guided way to move in the guide way at the removal in-process to the removal of connecting block is led, has consolidated the steadiness when connecting block removes.

Furthermore, the upper and lower both sides of guide post all seted up the spacing groove, the guide bar is located one end of guide post and is fixed with the spacing piece from top to bottom symmetry, the setting that slides around the stopper is at the spacing inslot, the guide post when removing, moves the direction on the stopper through the spacing groove.

Furthermore, an anti-skid protection pad is fixed on the inner ring wall of the clamping block and clamps and protects the knife handle in the knife.

Further, the bottom of fixing base around the symmetry wear to establish and be fixed with the guide holder, and the guide holder sets up in the left side of spacing seat, both sides all are fixed with the guide frame around the perpendicular end in the link, the guide frame is the setting of "U" shape structure, perpendicular end in the guide frame is worn to establish in the guide holder, and all be fixed with the flange rail on the both sides inner wall around the guide holder, both sides all are seted up flutedly around the perpendicular end in the guide frame, the guide frame slides from top to bottom through the recess and sets up on the flange rail, the link is when reciprocating, it removes in carrying out the guide holder to drive the guide frame, the guide holder removes the direction to the guide frame, the steadiness when having consolidated the link and removing.

The working principle of the invention is as follows: when the device is used, a tool handle in a tool is placed in a placing groove, the tool handle is clamped by the clamping blocks on the upper side and the lower side, the clamping blocks are limited by the clamping frames on the front side and the rear side, the horizontal ends of the upper side and the lower side in the clamping frames are respectively inserted in the corresponding clamping blocks, the upper clamping block and the lower clamping block are in a stable state, after the tool is stably clamped, the clamping seat is driven by the air cylinder to move in the left-right direction, a tool bit in the tool is moved to the lower side of a saw blade, the rotating motor is started, the saw blade can be rotated, the tool bit in the tool is subjected to cutting operation, the saw blade is driven to move in a certain range up and down according to the requirements of different tools, the cutting depth can be changed, and the achilles tendon is convenient; in the series of operation processes, firstly, the electric push rod is started to drive the clamping block to move in height until the clamping block is contacted with the tool handle to clamp the tool handle, and simultaneously, the guide motor is started to enable the external thread pipe to rotate and enable the internal thread pipe to move through the threads, so that the connecting block moves, the horizontal end in the clamping frame is inserted into the clamping block to limit the clamping block and reinforce the stability of the clamping block, the connecting block guides the guide column to slide on the guide rod in the moving process to enable the clamping frame to be stable, the driving motors on the front side and the rear side are started to enable the rotating gears to rotate, the two rotating gears rotate and are meshed, the rotating connecting rod is driven to rotate and move, the rotating connecting rod enables the driving frame to move in height and is slidably guided through the driving block and the limiting driving groove, and the driving block moves to drive the left driving seat to move, the connecting frame drives the supporting frame to move in height, namely, the height of the saw blade is changed.

After adopting the structure, the invention has the beneficial effects that:

1. the clamping block is driven to clamp the cutter handle, and the clamping block is in a stable state and cannot move through the clamping frame, so that the cutter handle is in a stable state, the cutter is prevented from moving in the cutting process, and the cutting quality is improved;

2. the saw blade moves in height by driving the supporting frame to move in height, so that the cutting depth of the saw blade is changed;

3. the driving block drives the driving seat to move by driving the driving frame to move within a certain range, so that the connecting frame moves.

Drawings

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

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a right side view of fig. 1.

Fig. 3 is a sectional view taken along the line a-a in fig. 2.

Fig. 4 is an enlarged view of a portion B in fig. 3.

FIG. 5 is a schematic view of the internal structure of the holder of the present invention.

Fig. 6 is an enlarged view of the portion C in fig. 5.

Fig. 7 is a schematic view of the internal structure of the fixing base of the present invention.

Fig. 8 is a schematic view of a connection structure between the rotary gear, the rotary link, the driving frame and the connecting frame in the present invention.

Fig. 9 is a schematic view of a connection structure of the guide holder and the guide frame according to the present invention.

Description of reference numerals:

the device comprises a working base 1, a saw blade 2, a fixing block 3, a clamping seat 4, a placing groove 4-1, a support 5, a support frame 6, a fixing seat 7, a clamping mechanism 8, an electric push rod 8-1, a clamping block 8-2, a guide motor 8-3, an external threaded pipe 8-4, an internal threaded pipe 8-5, a connecting block 8-6, a clamping frame 8-7, a guide column 8-8, a limiting groove 8-8-1, a guide rod 8-9, a limiting block 8-10, a driving mechanism 9, a driving motor 9-1, a rotating gear 9-2, a rotating connecting rod 9-3, a driving frame 9-4, a driving block 9-5, a driving seat 9-6, a limiting seat 9-7, a limiting driving groove 9-7-1, a connecting frame 9-8, a fulcrum shaft 9-9, a limiting driving groove 9-7, the device comprises a cylinder 10, a guide rail 11, a cutter 12, a rotating motor 13, a guide seat 14, a guide groove 14-1, a guide rail 15, an anti-skid protection pad 16, a guide seat 17, a guide frame 18, a groove 18-1 and a convex rail 19.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 9, the technical solution adopted by the present embodiment is: the device comprises a working base 1 and a saw blade 2, wherein the saw blade 2 is arranged on the working base 1; the automatic cutting machine also comprises a fixed block 3, a clamping seat 4, a support 5, a support frame 6, a fixed seat 7, a clamping mechanism 8 and a driving mechanism 9, wherein the fixed block 3 is fixedly welded at the upper end of the right side of a working base 1, an air cylinder 10 with the model number of TN20 is fixed at the left side of the fixed block 3 by screws, the clamping seat 4 is fixedly welded at the pushing end of the air cylinder 10, guide rails 11 are symmetrically welded and fixed on the working base 1 in the front-back direction, the clamping seat 4 is arranged on the guide rails 11 in a left-right sliding manner through a groove body at the bottom of the clamping seat 4, a placing groove 4-1 is formed in the clamping seat 4, a cutter handle in a cutter 12 is arranged in the placing groove 4-1, the clamping mechanism 8 is arranged between the cutter handle and the placing groove 4-1, the support 5 is fixedly welded at the upper end of the left side of the working base 1, a driving mechanism 9 is arranged in the fixed seat 7, a supporting frame 6 is arranged on the lower side of the fixed seat 7, the supporting frame 6 is arranged in an inverted U-shaped structure, a rotating motor 13 with the model number of 60KTYZ is fixed on the outer side of the rear vertical end in the supporting frame 6 by screws, a rotating shaft is fixed by welding after an output shaft of the rotating motor 13 penetrates through the vertical end, and the saw blade 2 is sleeved and fixed on the rotating shaft by welding;

the clamping mechanism 8 comprises an electric push rod 8-1, a clamping block 8-2, a guide motor 8-3, an external threaded pipe 8-4, an internal threaded pipe 8-5, a connecting block 8-6 and a clamping frame 8-7, wherein the electric push rod 8-1 with the model of PXTL is fixed on the inner walls of the upper side and the lower side of the placing groove 4-1 by screws, the clamping block 8-2 is fixed on the pushing end of the electric push rod 8-1 in a welding way, the clamping block 8-2 is arranged in an arc-shaped structure, an anti-skid protection pad 16 made of rubber materials is fixed on the inner ring wall of the clamping block 8-2 by using an adhesive, the anti-skid protection pad 16 carries out clamping protection on a knife handle in the knife 12, the guide motor 8-3 with the model of 60 YZ is fixed on the inner walls of the front side and the rear side of the placing groove 4-1 by using screws, an external threaded pipe 8-4 is fixedly welded on an output shaft of the guide motor 8-3, an internal threaded pipe 8-5 is spirally connected on the external threaded pipe 8-4 through threads, a connecting block 8-6 is fixedly welded on the other end of the internal threaded pipe 8-5, a clamping frame 8-7 is arranged on the other side of the connecting block 8-6, the clamping frame 8-7 is in a U-shaped structure, a vertical end in the clamping frame 8-7 is fixedly welded with the connecting block 8-6, horizontal ends of the upper side and the lower side in the clamping frame 8-7 are inserted on the clamping block 8-2, guide columns 8-8 are arranged on the upper side and the lower side of the connecting block 8-6, the guide columns 8-8 are fixedly welded on the vertical end in the clamping frame 8-7, guide rods 8-9 penetrate through the guide columns 8-8, and one ends, far away from the clamping frame 8-7, of the guide rods 8-9 are fixedly welded on the placing groove 4-1 On the inner wall, the upper and lower sides of a guide post 8-8 are both provided with a limiting groove 8-8-1, one end of a guide rod 8-9 positioned in the guide post 8-8 is vertically and symmetrically welded and fixed with a limiting block 8-10, the limiting block 8-10 is arranged in the limiting groove 8-8-1 in a sliding manner, when the guide post 8-8 moves, the guide post 8-8 moves and guides on the limiting block 8-10 through the limiting groove 8-8-1, so that the stability of the guide post 8-8 during moving is improved, the inner walls of the front and rear sides of a placing groove 4-1 are both welded and fixed with a guide seat 14, the guide seat 14 is arranged at the periphery of a guide motor 8-3, a connecting block 8-6 is arranged in the guide seat 14 in a penetrating manner, the guide grooves 14-1 are both arranged on the inner walls of the upper and lower sides of the guide seat 14, guide rails 15 are both welded and fixed on the upper and, the guide rail 15 is arranged in the guide groove 14-1 in a front-back sliding mode, and the connecting block 8-6 drives the guide rail 15 to move in the guide groove 14-1 in the moving process, so that the stability of the connecting block 8-6 in moving is improved;

the driving mechanism 9 comprises a driving motor 9-1, a rotating gear 9-2, a rotating connecting rod 9-3, a driving frame 9-4, a driving block 9-5, a driving seat 9-6, a limiting seat 9-7 and a connecting frame 9-8, the driving motor 9-1 with the model number of 60KTYZ is symmetrically fixed on the front and back of the left side of the fixed seat 7 by screws, after an output shaft of the driving motor 9-1 passes through the fixed seat 7, a rotating shaft is fixedly welded, the rotating gear 9-2 is sleeved and fixedly welded on the rotating shaft, the front rotating gear 9-2 and the rear rotating gear 9-2 are meshed, the rotating connecting rod 9-3 is hinged on the right side of the rotating gear 9-2 through a hinge shaft, the limiting seat 9-7 is fixedly welded on the inner bottom surface of the fixed seat 7, and a limiting driving groove 9-7-1 is formed in the limiting seat 9-, a driving block 9-5 is arranged in the limiting driving groove 9-7-1 in a sliding manner, a driving frame 9-4 is fixedly welded on the right side of the driving block 9-5, supporting shafts 9-9 are symmetrically welded and fixed on the front and back of the right side of the driving frame 9-4, the lower end of a rotating connecting rod 9-3 is sleeved on the supporting shafts 9-9, a driving seat 9-6 is fixedly welded on the left side of the driving block 9-5, a connecting frame 9-8 is fixedly welded on the left side of the driving seat 9-6, the connecting frame 9-8 is arranged in an inverted L-shaped structure, the vertical end of the connecting frame 9-8 penetrates through the bottom plate of the fixing seat 7 and is fixedly welded on the horizontal end of the supporting frame 6, a guide seat 17 is symmetrically penetrated and fixedly welded on the front and back of the bottom of the fixing seat 7, and the guide seat 17 is, the front side and the rear side of the vertical end in the connecting frame 9-8 are respectively welded and fixed with a guide frame 18, the guide frame 18 is arranged in a U-shaped structure, the vertical end in the guide frame 18 penetrates through the guide seat 17, the inner walls of the front side and the rear side of the guide seat 17 are respectively welded and fixed with a convex rail 19, the front side and the rear side of the vertical end in the guide frame 18 are respectively provided with a groove 18-1, the guide frame 18 is vertically and slidably arranged on the convex rail 19 through the groove 18-1, and the connecting frame 9-8 drives the guide frame 18 to move in the guide seat 17 when moving up and down, so that the stability of the connecting frame 9-8 during moving is improved;

the rotating motor 13, the guide motor 8-3 and the driving motor 9-1 are all connected with an external power supply through power lines, and the air cylinder 10 is connected with the external air supply through an air source.

The working principle of the specific embodiment is as follows: when the device is used, a knife handle in a knife 12 is arranged in a placing groove 4-1, the knife handle is clamped by clamping blocks 8-2 at the upper side and the lower side, the clamping blocks 8-2 are limited by clamping frames 8-7 at the front side and the rear side, the horizontal ends at the upper side and the lower side in the clamping frames 8-7 are respectively inserted in the corresponding clamping blocks 8-2, the upper clamping block 8-2 and the lower clamping block 8-2 are in a stable state, after the knife 12 is stably clamped, a clamping seat 4 is driven by an air cylinder 10 to move in the left-right direction, a knife head in the knife 12 is moved to the lower side of the saw blade 2, a rotating motor 13 is started, the saw blade 2 can be rotated, the knife head in the knife 12 is cut, and the cutting depth can be changed by driving the saw blade 2 to move in a certain range up and down according to the requirements of different knives 12, the achilles tendon is convenient to operate; in the series of operation processes, firstly, the electric push rod 8-1 is started to drive the clamping block 8-2 to move in height until the clamping block 8-2 is contacted with the knife handle to clamp the knife handle, and simultaneously, the guide motor 8-3 is started to rotate the external threaded pipe 8-4 and move the internal threaded pipe 8-5 through threads, so that the connecting block 8-6 moves, the horizontal end in the clamping frame 8-7 is inserted into the clamping block 8-2 to limit the clamping block 8-2, the stability of the clamping block 8-2 is strengthened, the connecting block 8-6 is guided by driving the guide column 8-8 to slide on the guide rod 8-9 in the moving process, and is guided by the sliding fit between the guide rail 15 and the guide seat 14 to strengthen the stability of the connecting block 8-6 in the moving process, the clamping frame 8-7 is stabilized, the driving motors 9-1 on the front side and the rear side are started to enable the rotating gears 9-2 to rotate, the two rotating gears 9-2 rotate and are meshed with each other, the rotating connecting rod 9-3 is driven to rotate and move at the same time, the driving frame 9-4 is driven to move in height by rotating the connecting rod 9-3, sliding guide is carried out between the driving block 9-5 and the limiting driving groove 9-7-1, the driving block 9-5 moves to drive the driving seat 9-6 on the left side to move, the connecting frame 9-8 drives the supporting frame 6 to move in height, and therefore the height of the saw blade 2 is changed; the connecting frame 9-8 drives the guide frame 18 to move in the guide seat 17 during the moving process, thereby strengthening the stability of the connecting frame 9-8 during moving.

After adopting above-mentioned structure, this embodiment beneficial effect does:

1. the clamping block 8-2 is driven to clamp the cutter handle, and the clamping block 8-2 is in a stable state and cannot move through the clamping frame 8-7, so that the cutter handle is in a stable state, the cutter 12 is prevented from moving in the cutting process, and the cutting quality is improved;

2. the supporting frame 6 is driven to move in height, so that the saw blade 2 moves in height, and the cutting depth of the saw blade 2 is changed;

3. the driving block 9-5 drives the driving seat 9-6 to move by driving the driving frame 9-4 to move in a certain range, so that the connecting frame 9-8 moves;

4. the guide frame 18 is movably guided by the guide seat 17, so that the stability of the connecting frame 9-8 during movement is enhanced.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A hard alloy milling cutter processing device convenient for adjusting cutting depth comprises a working base (1) and a saw blade (2), wherein the saw blade (2) is arranged on the working base (1); the method is characterized in that: the tool holder is characterized by further comprising a fixed block (3), a clamping seat (4), a support (5), a support frame (6), a fixed seat (7), a clamping mechanism (8) and a driving mechanism (9), wherein the fixed block (3) is fixed at the upper end of the right side of the working base (1), an air cylinder (10) is fixed at the left side of the fixed block (3), the clamping seat (4) is fixed at the pushing end of the air cylinder (10), guide rails (11) are symmetrically fixed on the front and back of the working base (1), the clamping seat (4) is arranged on the guide rails (11) in a left-right sliding mode through a groove body at the bottom of the clamping seat, a placing groove (4-1) is formed in the clamping seat (4), a tool shank in a tool (12) is arranged in the placing groove (4-1), the clamping mechanism (8) is arranged between the tool shank and the placing groove (4-1), the support (5) is fixed at the upper end of the, a fixed seat (7) is fixed at the bottom of the horizontal end in the support (5), a driving mechanism (9) is arranged in the fixed seat (7), a support frame (6) is arranged on the lower side of the fixed seat (7), the support frame (6) is arranged in an inverted U-shaped structure, a rotating motor (13) is fixed on the outer side of the vertical end on one side in the support frame (6), a rotating shaft is fixed after an output shaft of the rotating motor (13) penetrates through the vertical end, and a saw blade (2) is sleeved and fixed on the rotating shaft;

the clamping mechanism (8) comprises an electric push rod (8-1), a clamping block (8-2), a guide motor (8-3), an external threaded pipe (8-4), an internal threaded pipe (8-5), a connecting block (8-6) and a clamping frame (8-7), wherein the electric push rod (8-1) is fixed on the inner walls of the upper side and the lower side of the placing groove (4-1), the clamping block (8-2) is fixed on the pushing end of the electric push rod (8-1), the clamping block (8-2) is arranged in an arc structure, the guide motor (8-3) is fixed on the inner walls of the front side and the rear side of the placing groove (4-1), the external threaded pipe (8-4) is fixed on the output shaft of the guide motor (8-3), the internal threaded pipe (8-5) is screwed on the external threaded pipe (8-4) through threads, the other end of the internal threaded pipe (8-5) is fixedly provided with a connecting block (8-6), the other side of the connecting block (8-6) is provided with a clamping frame (8-7), the clamping frame (8-7) is arranged in a U-shaped structure, the vertical end in the clamping frame (8-7) is fixedly connected with the connecting block (8-6), the horizontal ends of the upper side and the lower side in the clamping frame (8-7) are inserted on the clamping block (8-2), the upper side and the lower side of the connecting block (8-6) are respectively provided with a guide post (8-8), the guide posts (8-8) are fixed on the vertical end in the clamping frame (8-7), guide rods (8-9) penetrate through the guide posts (8-8), and one ends, far away from the clamping frame (8-7), of the guide rods (8-9) are fixed on the inner wall of the placing groove (4-1);

the driving mechanism (9) comprises a driving motor (9-1), rotating gears (9-2), a rotating connecting rod (9-3), a driving frame (9-4), a driving block (9-5), a driving seat (9-6), a limiting seat (9-7) and a connecting frame (9-8), wherein the driving motor (9-1) is symmetrically fixed on the front and back of the left side of the fixing seat (7), a rotating shaft is fixed after an output shaft of the driving motor (9-1) penetrates through the fixing seat (7), the rotating gears (9-2) are sleeved and fixed on the rotating shaft, the front rotating gear (9-2) and the rear rotating gear (9-2) are meshed, the rotating connecting rod (9-3) is hinged on the right side of the rotating gear (9-2) through a hinged shaft, the limiting seat (9-7) is fixed on the inner bottom surface of the fixing seat (7), a limiting driving groove (9-7-1) is formed in the limiting seat (9-7), a driving block (9-5) is arranged in the limiting driving groove (9-7-1) in a sliding mode, a driving frame (9-4) is fixed on the right side of the driving block (9-5), supporting shafts (9-9) are symmetrically fixed on the right side of the driving frame (9-4) in a front-back mode, the lower end of a rotating connecting rod (9-3) is sleeved on the supporting shafts (9-9), a driving seat (9-6) is fixed on the left side of the driving block (9-5), a connecting frame (9-8) is fixed on the left side of the driving seat (9-6), the connecting frame (9-8) is arranged in an inverted L-shaped structure, and a vertical end in the connecting frame (9-8) penetrates through a bottom plate of the fixing seat (7) and then is fixed on a horizontal end of the supporting;

the rotating motor (13), the guide motor (8-3) and the driving motor (9-1) are all connected with an external power supply, and the air cylinder (10) is connected with an external air source.

2. The carbide milling cutter machining device convenient for adjusting cutting depth according to claim 1, wherein: guide seats (14) are fixed on the inner walls of the front side and the rear side of the placing groove (4-1), the guide seats (14) are arranged on the periphery of the guide motor (8-3), the connecting blocks (8-6) penetrate through the guide seats (14), the inner walls of the upper side and the lower side of each guide seat (14) are provided with guide grooves (14-1), the upper side and the lower side of each connecting block (8-6) are fixed with guide rails (15), and the guide rails (15) are arranged in the guide grooves (14-1) in a front-and-back sliding manner; the connecting block (8-6) drives the guide rail (15) to move in the guide groove (14-1) in the moving process, so that the moving of the connecting block (8-6) is guided, and the stability of the connecting block (8-6) in moving is strengthened.

3. The carbide milling cutter machining device convenient for adjusting cutting depth according to claim 1, wherein: the guide post is characterized in that limiting grooves (8-8-1) are formed in the upper side and the lower side of the guide post (8-8), limiting blocks (8-10) are symmetrically fixed to one end, located in the guide post (8-8), of the guide rod (8-9) in an up-down mode, the limiting blocks (8-10) are arranged in the limiting grooves (8-8-1) in a front-back sliding mode, and when the guide post (8-8) moves, the guide post moves and guides on the limiting blocks (8-10) through the limiting grooves (8-8-1).

4. The carbide milling cutter machining device convenient for adjusting cutting depth according to claim 1, wherein: an anti-skid protection pad (16) is fixed on the inner annular wall of the clamping block (8-2), and the anti-skid protection pad (16) clamps and protects a knife handle in the knife (12).

5. The carbide milling cutter machining device convenient for adjusting cutting depth according to claim 1, wherein: the bottom of the fixed seat (7) is symmetrically provided with guide seats (17) in a penetrating manner and fixed in a front-back manner, the guide seats (17) are arranged on the left side of the limiting seat (9-7), guide frames (18) are fixed on the front side and the back side of the vertical end in the connecting frame (9-8), the guide frames (18) are arranged in a U-shaped structure, the vertical end in the guide frame (18) is arranged in the guide seats (17) in a penetrating manner, convex rails (19) are fixed on the inner walls of the front side and the back side of the guide seat (17), grooves (18-1) are formed in the front side and the back side of the vertical end in the guide frame (18), the guide frame (18) is arranged on the convex rails (19) in a vertical sliding manner through the grooves (18-1), the connecting frame (9-8) drives the guide frame (18) to move in the guide seats (17) when moving up and down, and the guide seats (17) guide the guide frame (18) move, the stability of the connecting frames (9-8) during movement is reinforced.

6. The carbide milling cutter machining device convenient for adjusting cutting depth according to claim 1, wherein: the working principle is as follows: when the device is used, a tool shank in a tool (12) is placed in a placing groove (4-1), the tool shank is clamped through clamping blocks (8-2) on the upper side and the lower side, the clamping blocks (8-2) are limited through clamping frames (8-7) on the front side and the rear side, the horizontal ends of the upper side and the lower side in the clamping frames (8-7) are respectively inserted in the corresponding clamping blocks (8-2), the upper clamping block (8) and the lower clamping block (8-2) are in a stable state, after the tool (12) is clamped and stabilized, a clamping seat (4) is driven by an air cylinder (10) to move in the left-right direction, a tool bit in the tool (12) is moved to the lower side of a saw blade (2), a rotating motor (13) is started, the saw blade (2) can be rotated, the tool bit in the tool (12) is cut, and according to the requirements of different tools (12), the cutting depth can be changed by driving the saw blade (2) to move up and down within a certain range, and the achilles tendon is convenient to operate; in the series of operation processes, an electric push rod (8-1) is started to drive a clamping block (8-2) to move in height until the clamping block (8-2) is contacted with a knife handle to clamp the knife handle, a guide motor (8-3) is started to enable an external threaded pipe (8-4) to rotate and enable an internal threaded pipe (8-5) to move through threads, so that a connecting block (8-6) moves, the horizontal end in a clamping frame (8-7) is inserted into the clamping block (8-2), the clamping block (8-2) is limited, the stability of the clamping block (8-2) is strengthened, the connecting block (8-6) guides by driving a guide column (8-8) to slide on a guide rod (8-9) in the moving process, the clamping frame (8-7) is stabilized, the driving motors (9-1) on the front side and the rear side are started to enable the rotating gears (9-2) to rotate, the two rotating gears (9-2) rotate and are meshed, the rotating connecting rod (9-3) is driven to rotate and move at the same time, the driving frame (9-4) is driven to move in height by the rotating connecting rod (9-3), the driving block (9-5) and the limiting driving groove (9-7-1) are guided in a sliding mode, the driving block (9-5) moves to drive the driving seat (9-6) on the left side to move, the connecting frame (9-8) drives the supporting frame (6) to move in height, and the height of the saw blade (2) is changed.