CN210147454U

CN210147454U - Drilling and milling integrated machine tool

Info

Publication number: CN210147454U
Application number: CN201920818049.6U
Authority: CN
Inventors: 李广强
Original assignee: Taizhou Wolfe Machine Tool Co ltd
Current assignee: Taizhou Wolfe Machine Tool Co ltd
Priority date: 2019-06-01
Filing date: 2019-06-01
Publication date: 2020-03-17
Anticipated expiration: 2029-06-01

Abstract

The utility model discloses a bore and mill integral type machine tool relates to lathe technical field, and its technical scheme main points are: the milling cutter comprises a rack, a first chuck and a second chuck, wherein the first chuck is driven by a motor to rotate, the sliding seat is arranged on the rack in a sliding mode, the second chuck is used for clamping a workpiece body, a cutter is arranged on the first chuck, the cutter comprises a cutter holder, a milling cutter used for milling a machined surface and a drill bit used for drilling a hole, the end face of the cutter holder, facing the second chuck, is a cutter plane, the milling cutter and the drill bit are fixed on the cutter holder, the milling cutter is arranged in the circumferential direction of the cutter holder in a plurality, and cutting edges of the. The processing machine tool can simultaneously complete the operations of drilling and milling the plane of the workpiece body, and has higher processing efficiency; the milling cutter and the drill can be conveniently assembled and disassembled with the cutter holder, and metal chips generated by cutting are conveniently discharged by the cutter holder; the clamping stability of the workpiece body is improved by arranging the pressing piece; through setting up logical groove, the personnel of being convenient for go up unloading to the work piece.

Description

Drilling and milling integrated machine tool

Technical Field

The utility model relates to a lathe technical field, in particular to brill mills integral type machine tool.

Background

Machine tools are a general term for equipment for processing workpieces, and in modern machine manufacturing, a lot of methods are used for processing machine parts, including cutting, casting, forging, welding, stamping, extruding and the like.

Referring to fig. 1, a conventional shaft workpiece includes a workpiece body 10, a positioning step 101 is provided in a middle portion of the workpiece body 10, an end face of one end of the workpiece body 10 is a machined surface 102, and a center hole 103 is provided in a center of the machined surface 102. The machined surface 102 is milled smooth to meet the requirements for mating with other parts, and the central hole 103 is drilled by a drilling process.

At present, a drilling process of the centering hole 103 and a milling process of the processing surface 102 are respectively processed by a drilling machine and a milling machine, loading and unloading and clamping operations are required between the drilling machine and the milling machine, and the defect of low processing efficiency of workpieces exists.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a brill mills integral type machine tool has the advantage that work piece machining efficiency is high.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a bore and mill integral type machine tool, includes the frame, by motor drive pivoted chuck one, slide the slide that sets up in the frame, be equipped with chuck two that is used for clamping work piece body on the slide, be provided with the cutter on the chuck one, the cutter includes the blade holder, is used for milling the milling cutter of machined surface, is used for boring mesoporous drill bit, the blade holder is the knife plane towards the terminal surface of chuck two, milling cutter, drill bit are all fixed in on the blade holder, the axis of drill bit and the coincidence of the axis of blade holder, milling cutter is equipped with a plurality ofly along the circumference of blade holder, the cutting edge of drill bit, milling cutter all protrudes in the knife plane.

Through the technical scheme, after the workpiece body is clamped on the chuck II, personnel start the chuck I to rotate, and then the cutter rotates around the axis of the chuck I. Then, the personnel control the sliding seat to move, so that the workpiece body moves towards the direction of the cutter, the drill bit rotates to drill a middle hole on the workpiece body, meanwhile, the milling cutter is matched with the cutter plane to mill a machining surface of the workpiece body, and the cutter simultaneously completes the operations of drilling and milling the plane of the workpiece body. Because this machine tool can accomplish the brill of mesopore, machined surface simultaneously and mill the processing in the period of unloading in the single, then this machine tool has higher machining efficiency.

Preferably, the tool apron is circumferentially provided with a weight reduction groove, the weight reduction groove is communicated with the tool plane and the outer side wall of the tool apron, a tool mounting groove for mounting a milling tool is formed in the wall of the weight reduction groove, a first threaded hole is formed in the bottom of the tool mounting groove, a first bolt penetrates through the milling tool, and the first bolt is in threaded connection with the first threaded hole.

Through the technical scheme, the weight reduction grooves can provide a larger operation space for a person to assemble and disassemble the milling cutter while reducing the weight of the cutter holder; through setting up bolt one and screw hole one, personnel can conveniently change the milling cutter of damage.

Preferably, the milling cutter is triangular, and the shape of the cutter mounting groove corresponds to that of the milling cutter; the wall of the weight reduction groove is provided with an inner groove communicated with the cutter mounting groove, and the communication position of the inner groove and the cutter mounting groove corresponds to the triangular peak of the milling cutter deviating from the cutting edge of the milling cutter.

Through above-mentioned technical scheme, triangular milling cutter is one of common milling cutter type, and the edges and corners embedding of inside groove confession milling cutter, and when milling cutter atress, the inside groove can prevent that milling cutter from deviating from the edges and corners extrusion blade holder of its cutting edge from producing and damaging, and on the other hand, the inside groove can provide the point of application of force for the personnel demolish milling cutter.

Preferably, the center of the tool plane is provided with a drill mounting hole for mounting a drill, the outer side wall of the tool apron is provided with a second threaded hole communicated with the drill mounting hole, and a second bolt is connected with the second threaded hole in an internal thread mode.

Through above-mentioned technical scheme, the lateral wall of drill bit generally has the keyway, and the bolt is used for the keyway of butt drill bit. After the second bolt is screwed down by a person, the second bolt tightly presses and fixes the drill bit in the cutter holder, and the drill bit cannot move or rotate relative to the cutter holder. Through setting up bolt two and screw hole two, the personnel can conveniently carry out dismouting, change to the drill bit.

Preferably, the drill mounting hole is communicated with a weight reduction groove, a fillet is arranged at the bottom of the weight reduction groove, which is far away from the knife plane, and the groove walls on the two sides of the weight reduction groove are connected through fillets.

Through above-mentioned technical scheme, can produce the metal fillings during drilling of drill bit, the metal fillings can follow the chip groove entering of drill bit and subtract heavy inslot, and the metal fillings then leave the blade holder under the guide effect of fillet, and the metal fillings that milling cutter milled also can reliably be discharged through subtracting heavy groove, fillet. The cutter greatly facilitates the chip removal of the milling cutter and the drill during working, and the machining operation can be reliably and continuously carried out.

Preferably, the chuck II is a three-jaw chuck, the sliding seat is provided with a pressing cylinder and a pressing piece in a rotating mode, the pressing piece is hinged to the sliding seat through the middle portion, one end of the pressing piece is hinged to the piston rod end of the pressing cylinder, and the pressing cylinder can drive the pressing piece to rotate through stretching and enables the pressing piece to abut against the positioning step through the side wall.

Through above-mentioned technical scheme, compress tightly the jar and can order about through flexible compressing tightly the piece rotation, make and compress tightly the piece and support tightly on the location step through the lateral wall. When the workpiece body is clamped, the chuck II is used for radially limiting and fixing the workpiece body, the pressing piece rotates the abutting positioning step and is used for axially limiting and fixing the workpiece body, the chuck II and the pressing piece are matched, clamping of the workpiece body is very stable, positioning is accurate, and the workpiece body is not prone to displacement during machining.

Preferably, the rotation axis of the pressing piece is along the vertical direction, a through groove for the workpiece body to pass through is formed in the pressing piece, and the through groove horizontally penetrates through the pressing piece along the direction deviating from the pressing cylinder.

Through the technical scheme, when the workpiece is loaded, a worker penetrates through the through groove and sleeves the end part of the workpiece body outside the clamping jaw of the chuck II; the personnel of this moment relieve the work piece body, and the work piece body can not spontaneously drop owing to by the diapire bearing of chuck two and logical groove, can not press from both sides personnel's hand during follow-up clamping, and is comparatively safe. After the processing is completed, the pressing piece rotates to enable the through groove to be away from the second chuck, then the clamping jaw of the second chuck moves to loosen the workpiece body, the workpiece body is still supported by the second chuck and the through groove, the workpiece body cannot spontaneously drop, and the blanking is convenient for personnel to carry out blanking.

Preferably, a clamping cavity and a driving groove are respectively arranged on the upper side and the lower side of the through groove in the pressing piece, the driving groove is located at the end part of the pressing piece, which is far away from the pressing cylinder, the driving groove is communicated with the clamping cavity, an elastic sheet is arranged in the clamping cavity, an ejection hole communicated with the clamping cavity is arranged on the groove wall of the through groove, the elastic sheet is provided with an arc-shaped protrusion protruding out of the ejection hole, a driving frame is fixed on the sliding seat, and a driving block is fixed on the driving frame; when the pressing piece rotates towards the direction of pressing the workpiece body, the driving block can enter the driving groove to extrude the end part of the elastic piece and the elastic piece deforms to enable the arc-shaped protrusion to protrude out of the ejection hole, and the arc-shaped protrusion is matched with the groove wall of the through groove to limit the radial direction of the workpiece body.

Through above-mentioned technical scheme, when the personnel pack into the work piece body in leading to the inslot, this physical stamina of work piece is through offseting with the arc arch, impressing the arc arch clamping intracavity, and the arc arch plays the better effect that prevents to drop for the work piece body. When compressing tightly the piece and rotating to the direction that compresses tightly the work piece body, compress tightly the piece and make the drive block get into the drive groove through rotating, the drive block extrusion shell fragment tip makes the shell fragment produce deformation along its length direction, and the arc is protruding further to protruding in leading to the groove, and the arc is protruding and lead to the cooperation of groove wall this moment, and is reliable spacing with the radial of work piece body, and the arc is protruding to have further improved the radial positioning accuracy after the work piece body clamping is accomplished.

Preferably, the surface of the driving block for abutting against the elastic sheet is a driving surface, and the driving surface inclines towards the chuck in the direction close to the pressing cylinder.

Through the technical scheme, the driving block extrudes the end part of the elastic sheet through the driving surface, so that the elastic sheet deforms along the length direction of the elastic sheet. The drive surface that the slope set up can improve the deformation volume of shell fragment, makes the arc protruding more deeply protruding go into logical inslot in limited turned angle to improve the radial positioning effect to the work piece body.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. the processing machine tool can simultaneously complete the operations of drilling and milling the plane of the workpiece body, and has higher processing efficiency;

2. the milling cutter and the drill can be conveniently assembled and disassembled with the cutter holder, and metal chips generated by cutting are conveniently discharged by the cutter holder;

3. the clamping stability of the workpiece body is improved by arranging the pressing piece;

4. through setting up logical groove, the personnel of being convenient for go up unloading to the work piece.

Drawings

Fig. 1 is a structural view of a conventional shaft-type workpiece;

fig. 2 is a perspective view of a drilling and milling integrated machine tool according to the first embodiment;

FIG. 3 is a structural view of a cutter according to the first embodiment;

FIG. 4 is a partial view of the first embodiment, mainly illustrating the structure of the pressing member;

FIG. 5 is a partial view of the second embodiment, mainly showing the structure of the spring plate and the driving block;

fig. 6 is an enlarged view of fig. 5 at a.

In the figure, 10, the workpiece body; 101. positioning a step; 102. processing the dough; 103. a mesopore; 1. a frame; 11. a first chuck; 12. a slide base; 2. a cutter; 121. a second chuck; 21. a tool apron; 22. milling cutters; 23. a drill bit; 24. a knife plane; 3. a weight reduction groove; 31. a knife mounting groove; 311. a first threaded hole; 221. a first bolt; 32. an inner tank; 241. drilling a mounting hole; 211. a second threaded hole; 212. a second bolt; 33. round corners; 4. a compaction cylinder; 5. a compression member; 41. hinging a shaft; 51. a through groove; 52. a hinge slot; 53. a clamping cavity; 54. a drive slot; 6. a spring plate; 511. an ejection aperture; 61. an arc-shaped bulge; 7. a driving frame; 71. a drive block; 711. a driving surface.

Detailed Description

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

The first embodiment is as follows:

referring to fig. 2, for the utility model discloses a brill mills integral type machine tool, including frame 1, by motor drive pivoted chuck 11, slide 12 of setting on frame 1 that slides, be provided with cutter 2 on chuck 11, be equipped with chuck two 121 that are used for clamping work piece body 10 on slide 12. The sliding base 12 is driven to slide by a motor screw rod mechanism, the second chuck 121 is a hydraulic-driven three-jaw chuck, the axis of the second chuck 121 is overlapped with the axis of the first chuck 11, and the sliding base 12 can enable the second chuck 121 to be close to or far away from the first chuck 11 through sliding.

Referring to fig. 2 and 3, the first chuck 11 is separable from the tool 2, the first chuck 11 is provided with a hole for inserting the tool 2, the first chuck 11 clamps the tool 2 through a clamping mechanism arranged therein, and the first chuck 11 is prior art and will not be described herein. The cutter 2 comprises a cutter seat 21, a milling cutter 22 for milling a processing surface 102 and a drill 23 for drilling a hole 103, the cutter seat 21 is cylindrical, the end surface of the cutter seat 21 facing the chuck II 121 is a cutter plane 24, and the milling cutter 22 and the drill 23 are both fixed on the cutter seat 21; wherein the number of milling cutters 22 is two and the number of drill bits 23 is one.

The tool apron 21 is symmetrically provided with two lightening grooves 3 along the circumferential direction, the two lightening grooves 3 are communicated with the tool plane 24 and the outer side wall of the tool apron 21, and tool mounting grooves 31 for respectively mounting two milling tools 22 are formed in the groove walls of the two lightening grooves 3. The milling cutter 22 is triangular, and one triangular edge of the milling cutter 22 is a cutting edge; the shape of the insert-mounting groove 31 corresponds to that of the milling cutter 22, and the insert-mounting groove 31 communicates with the insert plane 24 through a triangular edge. The first threaded hole 311 is formed in the bottom of the cutter mounting groove 31, the first bolt 221 penetrates through the milling cutter 22, the milling cutter 22 is tightly pressed and fixed in the cutter mounting groove 31 through the first bolt 221 in a threaded connection mode with the first threaded hole 311, and at the moment, the cutting edge of the milling cutter 22 protrudes out of the cutter plane 24. The wall of the lightening groove 3 is provided with an inner groove 32 communicated with the cutter mounting groove 31, and the communication position of the inner groove 32 and the cutter mounting groove 31 corresponds to the triangular peak of the milling cutter 22 departing from the cutting edge. The inner groove 32 is used for embedding the edges of the milling cutter 22, when the milling cutter 22 is stressed, the inner groove 32 can prevent the edges of the milling cutter 22, which are far away from the cutting edge, from pressing the cutter seat 21 to damage, and on the other hand, the inner groove 32 can provide a force application point for a person to remove the milling cutter 22.

The center of the tool flat surface 24 is provided with a drill mounting hole 241 for mounting the drill 23, and the axis of the drill mounting hole 241 coincides with the axis of the tool holder 21. The outer side wall of the tool apron 21 is provided with a second threaded hole 211 communicated with the drill mounting hole 241, and the axial direction of the second threaded hole 211 is perpendicular to the axial direction of the drill mounting hole 241. The second screw hole 211 is internally connected with a second screw bolt 212 in a threaded manner, the second screw bolt 212 is used for abutting against a key groove on the side wall of the drill bit 23, after a person screws the second screw bolt 212, the second screw bolt 212 presses and fixes the drill bit 23 in the tool apron 21, and the drill bit 23 cannot move or rotate relative to the tool apron 21. The drill mounting hole 241 is communicated with the weight reduction groove 3 through a hole wall, a fillet 33 is arranged at the bottom of the weight reduction groove 3 departing from the knife plane 24, and the groove walls on two sides of the weight reduction groove 3 are connected through the fillet 33. Metal chips are generated when the drill bit 23 drills, the metal chips can enter the weight reduction groove 3 along the chip grooves of the drill bit 23, the metal chips further leave the cutter holder 21 under the guiding action of the fillet 33, and the metal chips milled by the milling cutter 22 can be reliably discharged through the weight reduction groove 3 and the fillet 33. The cutter 2 greatly facilitates the chip removal of the milling cutter 22 and the drill 23 during working, so that the machining operation can be reliably and continuously carried out.

Referring to fig. 2 and 4, the second chuck 121 is only used for clamping the workpiece body 10, and the second chuck 121 does not rotate. The second chuck 121 fastens the workpiece body 10 by moving the three clamping jaws, a hole is formed in the center of the end portion, away from the machining surface 102, of the workpiece body 10, and the clamping jaws tightly abut against the inner wall of the hole to complete fixing and radial positioning of the workpiece body 10.

The sliding seat 12 is also provided with a pressing cylinder 4 and a pressing piece 5 in a rotating way, and the pressing cylinder 4 and the pressing piece 5 are positioned at the same height of the axis of the chuck II 121; the pressing member 5 is hinged to the slide 12 through the middle part, and the rotation axis of the pressing member 5 is along the vertical direction. One end of the pressing piece 5 is hinged with the piston rod end of the pressing cylinder 4 through a hinge shaft 41, and the other end of the pressing piece 5 is provided with a through groove 51 for the workpiece body 10 to pass through. The axis of the hinge shaft 41 is along the vertical direction, the pressing piece 5 is provided with a hinge groove 52 for the hinge shaft 41 to pass through, and the length direction of the hinge groove 52 is along the length direction of the pressing piece 5; when the compressing cylinder 4 stretches and retracts to drive the compressing member 5 to rotate, the hinge shaft 41 moves in the hinge groove 52 in a self-adaptive mode, and the compressing cylinder 4 and the compressing member 5 cannot be locked during action. The through groove 51 horizontally penetrates through the pressing piece 5 along the direction deviating from the pressing cylinder 4, the pressing cylinder 4 can drive the pressing piece 5 to rotate through stretching and contracting, the pressing piece 5 is enabled to abut against the positioning step 101 through the side wall, and the workpiece body 10 penetrates through the through groove 51 at the moment.

This drilling and milling integral type machine tool's operating mode as follows: when the pressing cylinder 4 is in the shortened state, the through groove 51 is located at a position away from the second chuck 121, and at this time, a person loads the workpiece body 10. A person passes the workpiece body 10 through the through groove 51, and simultaneously sleeves the end part of the workpiece body 10 outside the clamping jaw of the second chuck 121; at this moment, the worker releases the workpiece body 10, and the workpiece body 10 cannot spontaneously drop due to the supporting of the bottom walls of the two chucks 121 and the through grooves 51, so that the hands of the worker cannot be clamped during subsequent clamping, and the clamping is safe. After the personnel retracted the hand, control chuck two 121 in proper order, compress tightly the action of jar 4, chuck two 121 with the radial spacing and fixed of work piece body 10, compress tightly 5 and rotate butt location step 101, spacing and fixed with the axial of work piece body 10, chuck two 121 and the cooperation that compresses tightly 5 make the clamping of work piece body 10 very firm, and fix a position accurately, work piece body 10 is adding the difficult displacement that produces man-hour.

After clamping is completed, a person starts the first chuck 11 to rotate, and then the cutter 2 rotates around the axis of the cutter. Then, the operator controls the slide 12 to move, so that the workpiece body 10 moves towards the cutter 2, the drill 23 rotates to drill a central hole 103 in the workpiece body 10, the milling cutter 22 cooperates with the cutter plane 24 to mill a machining surface 102 of the workpiece body 10, and the cutter 2 completes drilling and plane milling operations of the workpiece body 10 at the same time.

After the processing is accomplished, slide 12 removes to the direction of keeping away from chuck 11, then personnel's control compresses tightly jar 4 and shortens to order about to compress tightly 5 and rotate, makes logical groove 51 keep away from chuck two 121, and then the jack catch of chuck two 121 removes and loosens work piece body 10, and work piece body 10 still is supported by chuck two 121 and logical groove 51 this moment, and work piece body 10 can not spontaneously drop, makes things convenient for personnel to carry out the unloading.

Because this machine tool can accomplish the drilling and milling processing of mesopore 103, machined surface 102 simultaneously in the period of unloading in the single, then this machine tool has higher machining efficiency.

Example two:

referring to fig. 5 and 6, a drilling and milling integrated machine tool, the difference between the second embodiment and the first embodiment is that:

clamping cavities 53 and driving grooves 54 are respectively formed in the upper side and the lower side of the through groove 51 in the pressing piece 5, the driving grooves 54 are formed in the end portion, deviating from the pressing cylinder 4, of the pressing piece 5, and the driving grooves 54 are communicated with the clamping cavities 53. The clamping cavity 53 is internally provided with a spring plate 6 made of stainless steel, the clamping cavity 53 and the spring plate 6 are arranged in the length direction along the length direction of the pressing piece 5, and the end part of the spring plate 6 extends into the driving groove 54. The cell wall that leads to groove 51 is equipped with the ejecting hole 511 that communicates with clamping chamber 53, and shell fragment 6 has the protruding arc 61 of protruding ejecting hole 511, and arc 61 is one section that shell fragment 6 bending formed, and the position of ejecting hole 511 sets up to: after the arc-shaped protrusion 61 protrudes out of the ejection hole 511, the arc-shaped protrusion 61 is matched with the groove wall of the through groove 51 to just limit the radial direction of the workpiece body 10. The driving frame 7 is fixed on the sliding seat 12, the driving blocks 71 are fixed on the driving frame 7, the number and the positions of the driving blocks 71 correspond to the two driving grooves 54 one by one, and the driving blocks 71 are used for abutting against the end parts of the elastic sheets 6. The surface of the driving block 71 for abutting against the spring plate 6 is a driving surface 711, and the driving surface 711 inclines toward the chuck two 121 in the direction approaching the pressing cylinder 4.

When the pressing piece 5 is far away from the second chuck 121, the driving block 71 does not abut against the elastic sheet 6, and the distance of the arc-shaped protrusion 61 protruding out of the ejection hole 511 is smaller; when the personnel put into work piece body 10 in leading to groove 51, work piece body 10 can be through offseting with the protruding 61 of arc, with the protruding 61 clamping chamber 53 of impressing of arc, and after work piece body 10 passed through the protruding 61 of arc, work piece body 10 passed through the groove 51 tank bottom of lateral wall butt, and the protruding 61 of arc goes out ejection hole 511 under self elasticity effect, and the protruding 61 of arc plays better effect that prevents to drop for work piece body 10.

When the pressing piece 5 rotates towards the direction of pressing the workpiece body 10, the pressing piece 5 enables the driving block 71 to enter the driving groove 54 through rotation, the driving block 71 presses the end part of the elastic sheet 6 through the driving surface 711, the elastic sheet 6 is deformed along the length direction of the elastic sheet, and the driving surface 711 arranged obliquely can improve the deformation amount of the elastic sheet 6. The arc-shaped protrusion 61 further protrudes into the through groove 51, at the moment, the arc-shaped protrusion 61 is matched with the groove wall of the through groove 51, the radial direction of the workpiece body 10 is reliably limited, and the arc-shaped protrusion 61 further improves the radial positioning precision after the workpiece body 10 is clamped.

After the processing is finished, the pressing piece 5 rotates to enable the through groove 51 to be far away from the second chuck 121, meanwhile, the driving block 71 is separated from the elastic sheet 6, the arc-shaped protrusion 61 is partially retracted into the clamping cavity 53, the arc-shaped protrusion 61 can still play a radial limiting role of the workpiece body 10, and the workpiece body 10 is prevented from spontaneously falling. When blanking, a person pulls the workpiece body 10 with force, and the workpiece body 10 can be taken out from the through groove 51.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a brill mills integral type machine tool, includes frame (1), by motor drive pivoted chuck (11), slide (12) of setting on frame (1) that slide, characterized by: be equipped with chuck two (121) that are used for clamping work piece body (10) on slide (12), be provided with cutter (2) on chuck (11), cutter (2) include blade holder (21), be used for milling cutter (22) of machined surface (102), be used for boring drill bit (23) of hole (103), blade holder (21) are knife plane (24) towards the terminal surface of chuck two (121), milling cutter (22), drill bit (23) all are fixed in on blade holder (21), the axis of drill bit (23) and the axis coincidence of blade holder (21), milling cutter (22) are equipped with a plurality ofly along the circumference of blade holder (21), the cutting edge of drill bit (23), milling cutter (22) all protrudes in knife plane (24).

2. The integrated drilling and milling machine tool as set forth in claim 1, wherein: the cutter holder (21) is circumferentially provided with a weight reducing groove (3), the weight reducing groove (3) is communicated with the cutter plane (24) and the outer side wall of the cutter holder (21), a cutter mounting groove (31) for mounting a milling cutter (22) is formed in the groove wall of the weight reducing groove (3), a first threaded hole (311) is formed in the groove bottom of the cutter mounting groove (31), a first bolt (221) penetrates through the milling cutter (22), and the first bolt (221) is in threaded connection with the first threaded hole (311).

3. The integrated drilling and milling machine tool as set forth in claim 2, wherein: the milling cutter (22) is triangular, and the shape of the cutter mounting groove (31) corresponds to that of the milling cutter (22); the wall of the weight reducing groove (3) is provided with an inner groove (32) communicated with the cutter mounting groove (31), and the communication position of the inner groove (32) and the cutter mounting groove (31) corresponds to the triangular peak of the milling cutter (22) deviating from the cutting edge of the milling cutter.

4. The integrated drilling and milling machine tool as set forth in claim 2, wherein: the center of the tool plane (24) is provided with a drill mounting hole (241) for mounting a drill bit (23), the outer side wall of the tool apron (21) is provided with a second threaded hole (211) communicated with the drill mounting hole (241), and the second threaded hole (211) is internally connected with a second bolt (212).

5. The integrated drilling and milling machine tool as set forth in claim 4, wherein: the drill mounting hole (241) is communicated with the weight reducing groove (3), a fillet (33) is arranged at the bottom of the weight reducing groove (3) deviating from the knife plane (24), and the groove walls on the two sides of the weight reducing groove (3) are connected through the fillet (33).

6. The integrated drilling and milling machine tool as set forth in claim 1, wherein: chuck two (121) are the three-jaw chuck, be equipped with on slide (12) and compress tightly jar (4), rotate and be provided with and compress tightly piece (5), it is articulated with slide (12) through the middle part to compress tightly piece (5), the one end that compresses tightly piece (5) articulates in the tailpiece of the piston rod of compressing tightly jar (4), compress tightly jar (4) can order about to compress tightly piece (5) through flexible and rotate, make and compress tightly piece (5) and support tightly on location step (101) through the lateral wall.

7. The integrated drilling and milling machine tool as set forth in claim 6, wherein: the rotating axis of the pressing piece (5) is in the vertical direction, a through groove (51) for the workpiece body (10) to pass through is formed in the pressing piece (5), and the pressing piece (5) horizontally penetrates through the through groove (51) along the direction deviating from the pressing cylinder (4).

8. The integrated drilling and milling machine tool as set forth in claim 7, wherein: clamping cavities (53) and driving grooves (54) are respectively arranged on the upper side and the lower side of the through groove (51) in the pressing piece (5), the driving grooves (54) are arranged at the end part of the pressing piece (5) deviating from the pressing cylinder (4), the driving grooves (54) are communicated with the clamping cavities (53), elastic sheets (6) are arranged in the clamping cavities (53), ejection holes (511) communicated with the clamping cavities (53) are formed in the groove wall of the through groove (51), the elastic sheets (6) are provided with arc-shaped protrusions (61) protruding out of the ejection holes (511), a driving frame (7) is fixed on the sliding seat (12), and driving blocks (71) are fixed on the driving frame (7); when the pressing piece (5) rotates towards the direction of pressing the workpiece body (10), the driving block (71) can enter the driving groove (54) to extrude the end part of the elastic sheet (6) and deform the elastic sheet (6) to enable the arc-shaped protrusion (61) to protrude out of the ejection hole (511), and the arc-shaped protrusion (61) is matched with the groove wall of the through groove (51) to limit the radial direction of the workpiece body (10).

9. The integrated drilling and milling machine tool as set forth in claim 8, wherein: the surface of the driving block (71) used for abutting against the elastic sheet (6) is a driving surface (711), and the driving surface (711) inclines towards the direction of the chuck II (121) along the direction close to the pressing cylinder (4).