CN114799298A

CN114799298A - Double-spiral-groove milling machine device

Info

Publication number: CN114799298A
Application number: CN202210592258.XA
Authority: CN
Inventors: 樊双喜; 王宏亮; 沈万宁; 杨淑霞
Original assignee: Northwest Machine Co Ltd
Current assignee: Northwest Machine Co Ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-07-29
Anticipated expiration: 2042-05-27
Also published as: CN114799298B

Abstract

The invention discloses a double-spiral-groove milling machine device which comprises a double-spiral-groove milling machine, a feeding frame and a discharging frame, wherein the double-spiral-groove milling machine comprises a machine head milling cutter structure and a machine body rotary feeding structure, and the machine head milling cutter structure comprises a machine head, a milling cutter mechanism, a front clamping piece, a rear clamping piece and a discharging clamping mechanism; the rotary feeding mechanism of the milling machine comprises two milling cutter components, each milling cutter component comprises an X-axis feeding mechanism, a cutter rest, a disc milling cutter spindle box and a disc milling cutter, the rotary mechanism, the linear feeding mechanism, the X-axis feeding mechanism, the disc milling cutter, a front clamping piece, a rear clamping piece and an unloading clamping mechanism are controlled by a controller, and a front limiting module and a rear limiting module are arranged on the machine body. The invention realizes the feeding, rotary feeding, clamping, spiral groove processing and discharging of workpieces, and improves the processing precision of the spiral groove.

Description

Double-spiral-groove milling machine device

Technical Field

The invention belongs to the technical field of milling machine devices, and particularly relates to a double-spiral-groove milling machine device.

Background

At present, the equipment for processing the spiral groove can be a common lathe, a milling machine, a thread rolling and twisting machine tool and the like, but the processing is mostly controlled by a mechanical mode. The spiral groove machining can be realized by rotating a workpiece and axially moving and feeding the workpiece and working a cutter, so that the milling machine has high efficiency and more applications compared with a lathe, and the requirements on the milling machine are higher and higher along with the rapid development of social production and scientific technology. However, the current spiral groove milling machine has some problems:

firstly, the structure of the current spiral groove milling machine is dispersed and not compact; the operation is complex, the manual participation is more, and the automation degree is low;

secondly, in the process of machining a workpiece in the conventional spiral groove milling machine, manual conveying and loading are needed, and after the spiral groove of the workpiece at the current section is machined, manual unloading and conveying are carried out, so that the labor intensity is high; in addition, the deviation of subsequent workpieces being machined can be caused by incomplete manual unloading;

thirdly, no clamping piece for clamping the workpiece is arranged in the conventional spiral groove milling machine, so that the workpiece is easy to deviate in the machining process, and the machining precision of the spiral groove is reduced;

fourthly, the cutter part in the current spiral groove milling machine is fixed, and the application range is small.

Consequently, now lack a reasonable in design's two helical groove milling machine devices, realize the material loading of work piece, rotatory feeding, centre gripping, helicla flute processing and unload, reduce artifical the participation, avoid the work piece skew to appear in the course of working, improved helicla flute machining precision, degree of automation is high and accommodation is big.

Disclosure of Invention

The invention aims to solve the technical problem that the defects in the prior art are overcome, and the double-spiral-groove milling machine device is compact in structure and reasonable in design, realizes feeding, rotary feeding, clamping, spiral groove processing and discharging of workpieces, reduces manual participation, avoids deviation of the workpieces in the processing process, improves the processing precision of the spiral grooves, and is high in automation degree and large in application range.

In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a double helix groove milling machine device which characterized in that: the double-spiral-groove milling machine comprises a double-spiral-groove milling machine, a feeding frame which is arranged at the feeding end of the double-spiral-groove milling machine and used for feeding workpieces, and a discharging frame which is arranged at the discharging end of the double-spiral-groove milling machine and used for containing processed workpieces, wherein the double-spiral-groove milling machine comprises a machine head milling cutter structure and a machine body rotary feeding structure, the machine head milling cutter structure comprises a machine head, a milling cutter mechanism which is arranged on the machine head and used for processing the workpieces, a front clamping piece which is arranged on the machine head and is positioned at the feeding side of the milling cutter mechanism and used for clamping the workpieces, a rear clamping piece which is arranged on the machine head and is positioned at the discharging side of the milling cutter mechanism and used for clamping the processed workpieces, and two discharging clamping mechanisms which are arranged on the rear clamping piece and are arranged symmetrically up and down;

the machine body rotary feeding structure comprises a machine body fixedly connected with the machine head, a protective cover arranged on the machine body, a rotary mechanism arranged on the machine body and used for clamping a workpiece, and a linear feeding mechanism connected with the rotary mechanism and driving the rotary mechanism to move along the length direction of the machine body, wherein the rotary mechanism and the linear feeding mechanism are positioned in the protective cover;

the milling cutter mechanism comprises two milling cutter components which are respectively positioned at two sides of a workpiece, the two milling cutter components have the same structure, each milling cutter component comprises an X-axis feeding mechanism arranged on the machine head, a cutter rest arranged on the X-axis feeding mechanism, a disc milling cutter spindle box arranged on the cutter rest, and a disc milling cutter which is arranged on the milling cutter spindle box and is used for processing a spiral groove on the workpiece, and the X-axis feeding mechanism drives the milling cutter to move close to or far away from the workpiece through the cutter rest;

the rotary mechanism, the linear feeding mechanism, the X-axis feeding mechanism, the disc milling cutter, the front clamping piece, the rear clamping piece and the discharging clamping mechanism are controlled by a controller, a front limiting module and a rear limiting module are arranged on the machine body, and the front limiting module and the rear limiting module are connected with the controller.

Foretell double helix groove milling machine device, its characterized in that: the material discharging frame and the material feeding frame are identical in structure, the material discharging frame and the material feeding frame respectively comprise two symmetrically-arranged material frame bodies, two lifting adjusting parts arranged between the two material frame bodies, material containing parts arranged on the lifting adjusting parts and used for containing workpieces, and two material pushing parts symmetrically arranged on the two material frame bodies, close to the end parts of the material containing parts and located on the two sides of the material containing parts, wherein the lifting adjusting parts drive the material containing parts to lift up and down, and therefore the height of the workpieces on the material containing parts is adjusted.

Foretell double helix groove milling machine device, its characterized in that: the X-axis feeding mechanism comprises a base part arranged on the bottom of the machine head, a ball screw moving mechanism arranged on the base part, two guide mechanisms arranged on the base part and positioned on two sides of the ball screw moving mechanism, and a table board part arranged on the guide mechanisms and the ball screw moving mechanism and used for installing the tool rest, wherein the ball screw moving mechanism drives the table board part to slide along the guide mechanisms so as to enable the table board part to drive the disc milling cutter on the tool rest to move;

the base part comprises a base arranged on the bottom of the machine head and four lifting rings symmetrically arranged on two sides of the base, reinforcing plates are arranged on the bottom of the base close to two sides, feeding limiting modules are arranged on the base and the table board part, and a horizontal detection module is arranged on the table board part;

the ball screw moving mechanism is controlled by a controller, and the feeding limiting module and the horizontal detection module are both connected with the controller.

Foretell double helix groove milling machine device, its characterized in that: the linear feeding mechanism comprises a linear feeding box body connected with the rotating mechanism, a feeding power mechanism arranged on the linear feeding box body and a gear transmission mechanism which is arranged in the linear feeding box body and is in transmission connection with the feeding power mechanism, and the gear transmission mechanism comprises a first-stage gear transmission mechanism, a second-stage gear transmission mechanism, a third-stage gear transmission mechanism and a fourth-stage gear transmission mechanism which are in transmission connection in sequence;

the feeding power mechanism comprises a feeding motor arranged at the top of the linear feeding box body and a linear feeding driving gear arranged on an output shaft of the feeding motor, and the linear feeding driving gear is in transmission connection with the first-stage gear transmission mechanism;

a rack is arranged in the middle of the machine body along the length direction, and the fourth-stage gear transmission mechanism is meshed with the rack and can slide along the length direction of the rack;

the feed motor is controlled by a controller.

Foretell double helix groove milling machine device, its characterized in that: the rotary mechanism comprises a rotary mechanism box body for clamping a workpiece, a worm gear mechanism arranged in the rotary mechanism box body, a rotary servo motor arranged on the rotary mechanism box body and in transmission connection with the worm gear mechanism, and a rotary shaft in transmission connection with the worm gear mechanism and used for the workpiece to penetrate through, wherein the rotary shaft is of a hollow structure, penetrates through the rotary mechanism box body, and two ends of the workpiece penetrate through the rotary mechanism box body and extend out of two ends of the rotary shaft;

and the two ends of the rotating shaft are provided with pneumatic chucks for clamping workpieces, and the rotating servo motor is controlled by the controller.

Foretell double helix groove milling machine device, its characterized in that: the front clamping piece comprises a front clamping piece body, a left main clamping piece and a left auxiliary clamping piece which are arranged on the front clamping piece body, the rear clamping piece comprises a rear clamping piece body, a right main clamping piece and a right auxiliary clamping piece which are arranged on the rear clamping piece body, the left main clamping piece and the right main clamping piece are arranged close to the two milling cutter components, and the unloading clamping mechanism is positioned on the rear clamping piece body;

the front clamping piece body and the rear clamping piece body are identical in structure and are arranged on the machine head, the right main clamping piece, the right auxiliary clamping piece, the left main clamping piece and the left auxiliary clamping piece are identical in structure, and the right main clamping piece, the right auxiliary clamping piece, the left main clamping piece and the left auxiliary clamping piece respectively comprise a clamping piece base arranged on the front clamping piece body, a first clamping part and a second clamping part which are arranged on the clamping piece base and are used for clamping a workpiece, and a clamping power part for driving the first clamping part and the second clamping part to be close to or far away from each other; the clamping power component is controlled by a controller.

Foretell double helix groove milling machine device, its characterized in that: the first clamping part comprises a first push block and two first clamping blocks arranged on the first push block, the second clamping part comprises a second push block and two second clamping blocks arranged on the second push block, and the first clamping block and the second clamping blocks form a clamping channel for clamping a workpiece;

the clamping power component comprises a clamping piece oil cylinder, a connecting block for connecting the clamping piece oil cylinder and the second push block, a long rack connected with the second push block, a short rack connected with the first push block, and a gear which is arranged between the long rack and the short rack and is meshed with the long rack and the short rack, and the clamping piece oil cylinder is controlled by the controller.

Foretell double helix groove milling machine device, its characterized in that: two fixture of unloading is all including setting up vertical bottom plate, the setting on the back holder body horizontal mounting panel on the vertical bottom plate, and set up horizontal mounting panel's centre gripping hydro-cylinder and setting are in the centre gripping post on the flexible end of centre gripping hydro-cylinder, be provided with down horizontal mounting plate on the vertical bottom plate, parallel arrangement and the vertical bottom plate of equal perpendicular to about horizontal mounting panel and the lower horizontal mounting plate of going up, wear to be equipped with the guide pin bushing in the lower horizontal mounting plate, the centre gripping post passes the guide pin bushing, the centre gripping post is close to the terminal surface of work piece is provided with V-shaped and presss from both sides the groove, the centre gripping hydro-cylinder is controlled by the controller.

Foretell double helix groove milling machine device, its characterized in that: the milling cutter spindle box comprises a cutter box body, a spindle power mechanism arranged on the cutter box body and a transmission mechanism which is in transmission connection with the spindle power mechanism and drives the disc milling cutter to rotate, the transmission mechanism comprises a first gear reduction transmission mechanism in transmission connection with the spindle power mechanism and a second gear reduction transmission mechanism in transmission connection with the first gear reduction transmission mechanism, a gear pump is arranged in the cutter box body, the spindle power mechanism drives the gear pump to act through a transmission transition part, and the spindle power mechanism is controlled by a controller.

Foretell double helix groove milling machine device, its characterized in that: the front limiting module comprises a front limiting switch and a front limiting block which is arranged in the machine body and matched with the front limiting switch;

the number of the rear limiting modules is two, and the first rear limiting module comprises a first rear limiting switch and a first rear limiting block which is arranged in the machine body and matched with the first rear limiting switch; and the second rear limiting module comprises a second rear limiting switch and a second rear limiting block which is arranged in the machine body and matched with the second rear limiting switch, and the front limiting switch, the first rear limiting switch and the second rear limiting switch are controlled by a controller.

Compared with the prior art, the invention has the following advantages:

1. the double-spiral-groove milling machine device is compact in structure, reasonable in design and convenient to install and arrange.

2. The double-spiral-groove milling machine device comprises a feeding frame, a machine head milling cutter structure, a machine body rotary feeding structure and a discharging frame, wherein the feeding of workpieces is realized through the feeding frame, the workpieces on the feeding frame are fed into the machine head milling cutter structure through the machine body rotary feeding structure, the double-spiral groove machining of the workpieces is realized through the machine head milling cutter structure, the machined workpieces enter the discharging frame, the feeding, the rotary feeding, the clamping, the spiral groove machining and the discharging of the workpieces are realized, the manual participation is reduced, and the workpiece machining continuity is improved.

3. The automatic feeding device is provided with the feeding frame and the discharging frame, and on one hand, the automatic feeding device is suitable for continuous feeding and discharging of workpieces; on the other hand, the height of the workpiece is convenient to adjust, so that the height of the axis of the workpiece is unchanged, the height requirement of the spiral groove milling machine is met, the loading and unloading of workpieces with different diameters are met, and the application range is widened.

4. The X-axis feeding mechanism is arranged, so that the radial feeding movement of the disc milling cutter on the tool rest close to or far away from the workpiece is realized, the manual labor intensity is reduced, the accuracy of radial movement adjustment of the disc milling cutter on the tool rest is ensured, the X-axis feeding mechanism can adapt to the processing of workpieces with different diameters, and the application range is wide.

5. The milling cutter spindle box is compact in whole, rotary motion of the disc milling cutter is realized through secondary transmission speed reduction, transmission stability is improved, and breakage of the spindle in the disc milling cutter spindle box is avoided.

6. The rotary mechanism is arranged, so that workpieces with different diameters can be clamped, and the workpieces can be driven to rotate; the linear feeding mechanism is arranged to realize that the rotating mechanism and the workpiece are close to the milling cutter to feed, so that the workpiece can be conveniently conveyed to the spiral groove of the disc milling cutter to be processed, the operation is convenient, and the application range is large.

7. The front clamping piece and the rear clamping piece for clamping the workpiece are arranged for clamping the workpiece, so that the workpiece is fed stably in the milling process, the workpiece is prevented from deviating in the machining process, and the stability and the accuracy of double-spiral groove machining are improved.

8. The unloading clamping mechanism is arranged to clamp a workpiece being machined, and the machined workpiece in threaded connection with the workpiece being machined is manually rotated and disassembled, so that the subsequent workpiece being machined is prevented from deviating due to the fact that manual unloading is not in place.

9. The automatic disc milling machine is provided with the rotating mechanism, the linear feeding mechanism, the X-axis feeding mechanism, the disc milling cutter, the front clamping piece, the rear clamping piece and the discharging clamping mechanism which are all controlled by the controller, so that the manual participation is reduced, and the automatic degree is high.

In conclusion, the spiral groove machining device is compact in structure and reasonable in design, realizes feeding, rotary feeding, clamping, spiral groove machining and discharging of workpieces, reduces manual participation, avoids deviation of the workpieces in the machining process, improves the machining precision of the spiral grooves, and is high in automation degree and wide in application range.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the body rotation feeding structure of the present invention.

Fig. 3 is a structural schematic diagram of the nose milling cutter structure of the invention.

Fig. 4 is a top view of fig. 1 with the shield removed.

Fig. 5-1 is a schematic structural view of a loading frame (discharging frame) of the present invention.

Fig. 5-2 is a front view of fig. 5-1.

Fig. 5-3 is a cross-sectional view a-a in fig. 5-2.

Fig. 5-4 are schematic structural views of the material stirring part of the invention.

Fig. 6-1 is a schematic structural view of the X-axis feed mechanism of the present invention.

Fig. 6-2 is a top view of fig. 6-1.

Fig. 6-3 are schematic structural views of the ball screw moving mechanism of the present invention.

Fig. 7-1 is a schematic structural view of the linear feed mechanism of the present invention.

Fig. 7-2 is a schematic structural view of the gear transmission mechanism of the present invention.

Fig. 8-1 is a schematic structural view of the rotating mechanism of the present invention.

FIG. 8-2 is a cross-sectional view A '-A' of FIG. 8-1.

Fig. 8-3 is a rotary sectional view B-B of fig. 8-1.

FIG. 9-1 is a schematic structural view of the right main clamping member, the right auxiliary clamping member, the left main clamping member or the left auxiliary clamping member of the present invention.

Fig. 9-2 is a top view of fig. 9-1.

Fig. 9-3 is a cross-sectional view C-C of fig. 9-2.

Fig. 9-4 is a view taken along direction a of fig. 9-1.

Fig. 9-5 are schematic structural views of the discharging clamping mechanism of the invention.

Fig. 9-6 are schematic structural views of the front or rear clamp body of the present invention.

Fig. 10-1 is a schematic structural view of the milling cutter spindle head of the present invention.

Fig. 10-2 is a left side view of fig. 10-1.

Fig. 11 is a schematic block diagram of the circuit of the present invention.

Description of reference numerals:

1-feeding frame; 1-a material rack body; 1-1-1-a first connecting rod;

1-1-2-vertical bar; 1-1-3-a second connecting rod; 1-1-4-bottom connecting rod;

1-2-a kick-off member; 1-2-1-adjusting handle; 1-2-material stirring shaft;

1-2-3-installing a bearing; 1-2-4-a kickoff plate; 1-2-41-a first horizontal material stirring section;

1-2-42-a first inclined material stirring section; 1-2-43-a second horizontal material stirring section;

1-2-44-material-stirring transition section; 1-2-45-a second inclined material stirring section; 1-2-5-fixing sleeve;

1-3-a lift adjustment member; 1-3-1-adjusting hand wheel; 1-3-2-vertical screw rod;

1-3-mounting seat; 1-3-4-L-shaped connecting plate; 1-3-5-a guide column;

1-3-6-U-shaped piece; 1-3-7-nut; 1-4-1-Scale.

1-4-2-indicates an arrow; 1-5-material containing parts; 1-5-1-lifting bottom plate;

1-5-2-vertical connecting plates; 1-5-4-V-shaped carrier roller; 1-5-roller bearing;

2-X axis feed mechanism; 2-1-ball screw moving mechanism; 2-1-motor;

2-1-2-coupler; 2-1-3-horizontal screw rod; 2-1-4-horizontal screw;

2-1-5-a nut seat; 2-1-6-a support base; 2-1-7-connecting plate;

2-1-8-bearing seat; 2-1-9-a first bearing; 2-1-10-a second bearing;

2-1-11-round nut; 2-1-12-folding protective cover; 2-1-13-cover plate;

2-1-17-positioning ring plate; 2-a base member; 2-2-1-base;

2-2-2-reinforcing plates; 2-2-3-hoisting ring; 2-2-4-side baffles;

2-3-a guide mechanism; 2-3-1-a slide rail seat;

2-3-2-linear slide rail; 2-3-sliders; 2-3-4-pressing block;

2-3-5-linear guide rail locker; 2-4-insert;

2-5-1-a first limiting block; 2-5-2-a second limiting block; 2-5-3-a third limiting block;

2-6-triple travel switch; 2-6-1-a first contact; 2-6-2-second contact;

2-6-3-third contact; 2-6-4-L-shaped mounting seats; 2-7-a table board;

2-7-1-pressing block; 2-8-table top cover plate; 2-9-horizontal detection module;

3-a linear feed mechanism; 3-1-a feeding power mechanism; 3-1-feed motor;

3-1-2-linear feed drive gear; 3-1-3-gear end cap;

3-2-first stage gear transmission mechanism; 3-2-1 — first stage axis;

3-2-a first-stage driving gear; 3-2-3-a first stage driven gear;

3-2-4-a first sleeve; 3-2-5-first shaft end cap; 3-second stage gear drive mechanism;

3-3-1 — second stage axis; 3-3-2-second stage driving gear;

3-3-3-a second stage driven gear; 3-3-5-second shaft end cap; 3-4-third stage gear transmission mechanism;

3-4-1-third stage axis; 3-4-2-third drive gear; 3-4-3-third stage driven gear;

3-4-5-third shaft end cap; 3-5-fourth-stage gear transmission mechanism; 3-5-1-fourth axis;

3-5-2-a fourth drive gear; 3-5-3-fourth stage driven gear;

3-5-fourth shaft end cover; 3-6-linear feeding box body;

4-front clamping piece; 4-1-a holder base; 4-2 — a first push block;

4-2-1-L-shaped limiting block; 4-3 — a first clamping block; 4-a second clamping block;

4-5-a second push block; 4-6-clamping piece oil cylinder; 4-6-1-oil cylinder frame base;

4-6-2-oil cylinder support; 4-7-connecting block; 4-8-1-mounting shaft;

4-8-2-gear; 4-8-3-long rack; 4-8-4-short rack;

4-10-front clamping piece body; 4-10-1-a holder base plate; 4-10-2-stiffening plate;

4-10-3-a clamping piece vertical plate; 4-10-4-positioning groove; 4-11-left primary clip;

4-12-left secondary clamp; 5, a rotating mechanism;

5-1 — a rotary servo motor; 5-1-rotating drive gear;

5-2-worm gear; 5-2-1-rotating driven gear; 5-2-worm;

5-2-3-worm box; 5-3-rotation axis; 5-3-1-a first limit nut;

5-3-11-a first circular boss portion; 5-3-12-a second circular boss portion;

5-3-13-inner spacer sleeve; 5-3-2-ball bearing; 5-3-a second limit nut;

5-4-rotating mechanism box body; 5-4-1-a first bearing cap; 5-4-2-second bearing cap;

5-4-3-a second end cap; 5-4-a first end cap; 5-4-5-air permeator;

5-4-6-convex edge connecting plate; 5-a pneumatic chuck; 5-5-1-fixed block;

6-rear clamping member; 6-10-rear clamping piece body; 6-11-right main clamp;

6-12-right auxiliary clamping piece; 7-milling cutter headstock;

7-1-main shaft power mechanism; 7-1-main motor; 7-1-2-main shaft;

7-1-21-a first main shaft bearing; 7-1-22-first shaft cover plate;

7-1-23-rotary lip-shaped sealing ring; 7-1-24-main shaft pressure plate;

7-1-3-drive gear; 7-1-4-drive pinion;

7-1-5-transition gear; 7-1-6-gear pump;

7-2 — a first gear reduction transmission mechanism; 7-2-1-front gear;

7-2-11-a first spacer; 7-2-12-a second spacer sleeve;

7-2-21-a first main shaft bearing; 7-2-22-first shaft cover plate;

7-2-23-rotary lip-shaped sealing ring; 7-2-24-main shaft pressure plate;

7-2-a first drive shaft; 7-2-3-rear gear;

7-3-second gear reduction transmission mechanism; 7-3-1-a second drive shaft;

7-3-11-a second stop washer round nut member; 7-3-12-a second propeller shaft bearing;

7-3-13-third spacer; 7-3-2-drive gear;

7-3-21-limiting plate; 7-3-22-a first stop washer round nut member;

7-4-box body; 7-5-first rear cover;

7-6-second front cover; 7-main spindle box mounting seat;

7-8-motor protective cover; 7-9 — a first front cover; 8, a tool rest;

9-a discharge clamping mechanism; 9-1-vertical floor; 9-2-a clamping post;

9-3-guide sleeve; 9-4-lower horizontal mounting plate; 9-5-upper horizontal mounting plate;

9-6-clamping oil cylinder; 10-a workpiece; 13-disc milling cutter;

13-1-front limit switch; 13-2 — a first rear limit switch; 13-3-a second rear limit switch;

13-4-front limiting block; 13-5-a first rear limiting block; 13-6-a second rear limiting block;

14-auxiliary carrier roller; 15-a fuselage; 15-2-fuselage bottom panel;

15-3-rack seat; 16-body slide rail; 17-a rack;

18-a controller; 19-a shield; 20, a discharging frame;

21-temperature sensor.

Detailed Description

As shown in fig. 1 to 11, the present invention includes a double-spiral-groove milling machine, a feeding frame 1 disposed at a feeding end of the double-spiral-groove milling machine and used for feeding a workpiece 10, and a discharging frame 20 disposed at a discharging end of the double-spiral-groove milling machine and used for containing the processed workpiece, wherein the double-spiral-groove milling machine includes a machine head milling cutter structure and a machine body rotary feeding structure, the machine head milling cutter structure includes a machine head 16, a milling cutter mechanism disposed on the machine head 16 and used for processing the workpiece 10, a front clamping member 4 disposed on the machine head 16 and located at a feeding side of the milling cutter mechanism and used for clamping the workpiece 10, a rear clamping member 6 disposed on the machine head 16 and located at a discharging side of the milling cutter mechanism and used for clamping the processed workpiece, and two discharging clamping mechanisms 9 disposed on the rear clamping member 6 and symmetrically disposed up and down;

the machine body rotary feeding structure comprises a machine body 15 fixedly connected with the machine head 16, a protective cover 19 arranged on the machine body 15, a rotating mechanism 5 arranged on the machine body 15 and used for clamping a workpiece 10, and a linear feeding mechanism 3 connected with the rotating mechanism 5 and driving the rotating mechanism 5 to move along the length direction of the machine body 15, wherein the rotating mechanism 5 and the linear feeding mechanism 3 are positioned in the protective cover 19;

the milling cutter mechanism comprises two milling cutter components which are respectively positioned at two sides of a workpiece 10, the two milling cutter components have the same structure, each milling cutter component comprises an X-axis feeding mechanism 2 arranged on the machine head 16, a tool rest 8 arranged on the X-axis feeding mechanism 2, a disc milling cutter 13 spindle box 7 arranged on the tool rest 8, and a disc milling cutter 13 which is arranged on the milling cutter spindle box 7 and is used for processing a spiral groove on the workpiece 10, and the X-axis feeding mechanism 2 drives the milling cutter to move close to or far away from the workpiece 10 through the tool rest 8;

the rotary mechanism 5, the linear feeding mechanism 3, the X-axis feeding mechanism 2, the disc milling cutter 13, the front clamping piece 4, the rear clamping piece 6 and the discharging clamping mechanism 9 are controlled by a controller 18, a front limiting module and a rear limiting module are arranged on the machine body 15, and the front limiting module and the rear limiting module are connected with the controller 18.

In this embodiment, the discharging frame 20 and the feeding frame 1 have the same structure, and the discharging frame 20 and the feeding frame 1 each include two symmetrically arranged frame bodies 1-1, two lifting adjusting parts 1-3 arranged between the two frame bodies 1-1, two material containing parts 1-5 arranged on the lifting adjusting parts 1-3 and used for containing a workpiece 10, and two material pushing parts 1-2 symmetrically arranged at the end parts of the two frame bodies 1-1 close to the material containing parts 1-5 and located at the two sides of the material containing parts 1-5, wherein the lifting adjusting parts 1-3 drive the material containing parts 1-5 to lift and lower, thereby adjusting the height of the workpiece 10 on the material containing parts 1-5.

In this embodiment, the X-axis feeding mechanism 2 includes a base part 2-2 installed on the bottom of the machine head 16, a ball screw moving mechanism 2-1 installed on the base part 2-2, two guiding mechanisms 2-3 installed on the base part 2-2 and located at two sides of the ball screw moving mechanism 2-1, and a deck plate part installed on the guiding mechanisms 2-3 and the ball screw moving mechanism 2-1 and provided for the tool holder 8, and the ball screw moving mechanism 2-1 drives the deck plate part to slide along the guiding mechanisms 2-3, so that the deck plate part drives the disc milling cutter 13 on the tool holder 8 to move;

the base part 2-2 comprises a base 2-2-1 arranged on the bottom of the machine head 16 and four lifting rings 2-2-3 symmetrically arranged on two sides of the base 2-2-1, reinforcing plates 2-2-2 are arranged on the bottom of the base 2-2-1 close to two sides, feeding limiting modules are arranged on the base 2-2-1 and the deck plate part, and a horizontal detection module 2-9 is arranged on the deck plate part;

the ball screw moving mechanism 2-1 is controlled by a controller 18, and the feeding limiting module and the horizontal detection module 2-9 are both connected with the controller 18.

In this embodiment, the linear feeding mechanism 3 includes a linear feeding box 3-6 connected to the rotating mechanism 5, a feeding power mechanism 3-1 disposed on the linear feeding box 3-6, and a gear transmission mechanism disposed in the linear feeding box 3-6 and in transmission connection with the feeding power mechanism 3-1, and the gear transmission mechanism includes a first-stage gear transmission mechanism 3-2, a second-stage gear transmission mechanism 3-3, a third-stage gear transmission mechanism 3-4, and a fourth-stage gear transmission mechanism 3-5, which are in transmission connection in sequence;

the feeding power mechanism 3-1 comprises a feeding motor 3-1-1 arranged at the top of the linear feeding box body 3-6 and a linear feeding driving gear 3-1-2 arranged on an output shaft of the feeding motor 3-1-1, and the linear feeding driving gear 3-1-2 is in transmission connection with the first-stage gear transmission mechanism 3-2;

a rack 17 is arranged in the middle of the machine body 15 along the length direction, and the fourth-stage gear transmission mechanisms 3-5 are meshed with the rack 17 and can slide along the length direction of the rack 17;

the feed motor 3-1-1 is controlled by a controller 18.

In this embodiment, the rotating mechanism 5 includes a rotating mechanism 5 for clamping a workpiece 10, the rotating mechanism 5 includes a rotating mechanism box 5-4, a worm and gear mechanism arranged in the rotating mechanism box 5-4, a rotary servo motor 5-1 arranged on the rotating mechanism box 5-4 and in transmission connection with the worm and gear mechanism, and a rotating shaft 5-3 in transmission connection with the worm and gear mechanism and through which the workpiece 10 passes, the rotating shaft 5-3 is a hollow structure, the rotating shaft 5-3 passes through the rotating mechanism box 5-4, and two ends of the workpiece 10 pass through the rotating mechanism box 5-4 and extend out of two ends of the rotating shaft 5-3;

the two ends of the rotating shaft 5-3 are provided with pneumatic chucks 5-5 for clamping a workpiece 10, and the rotating servo motor 5-1 is controlled by a controller 18.

In this embodiment, the front clamping member 4 comprises a front clamping member body 4-10, a left main clamping member 4-11 and a left auxiliary clamping member 4-12 which are arranged on the front clamping member body 4-10, the rear clamping member 6 comprises a rear clamping member body 6-10, a right main clamping member 6-11 and a right auxiliary clamping member 6-12 which are arranged on the rear clamping member body 6-10, the left main clamping member 4-11 and the right main clamping member 6-11 are both arranged close to the two milling cutter components, and the unloading clamping mechanism 9 is positioned on the rear clamping member body 6-10;

the front clamping piece body 4-10 and the rear clamping piece body 6-10 are identical in structure and are all mounted on the machine head 16, the right main clamping piece 6-11, the right auxiliary clamping piece 6-12, the left main clamping piece 4-11 and the left auxiliary clamping piece 4-12 are identical in structure, and the right main clamping piece 6-11, the right auxiliary clamping piece 6-12, the left main clamping piece 4-11 and the left auxiliary clamping piece 4-12 all comprise a clamping piece base 4-1 arranged on the front clamping piece body 4-10, a first clamping part and a second clamping part which are arranged on the clamping piece base 4-1 and are used for clamping the workpiece 10, and a clamping power part for driving the first clamping part and the second clamping part to be close to or far away from each other; the gripping power components are controlled by a controller 18.

In this embodiment, the first clamping component includes a first push block 4-2 and two first clamping blocks 4-3 disposed on the first push block 4-2, the second clamping component includes a second push block 4-5 and two second clamping blocks 4-4 disposed on the second push block 4-5, and the first clamping block 4-3 and the second clamping blocks 4-4 form a clamping channel for clamping the workpiece 10;

the clamping power component comprises a clamping piece oil cylinder 4-6, a connecting block 4-7 connected between the clamping piece oil cylinder 4-6 and the second push block 4-5, a long rack 4-8-3 connected with the second push block 4-5, a short rack 4-8-4 connected with the first push block 4-2 and a gear 4-8-2 arranged between the long rack 4-8-3 and the short rack 4-8-4 and connected in a meshed mode, and the clamping piece oil cylinder 4-6 is controlled by a controller 18.

In this embodiment, each of the two discharging clamping mechanisms 9 comprises a vertical bottom plate 9-1 arranged on the rear clamping member body 6-10, an upper horizontal mounting plate 9-5 arranged on the vertical bottom plate 9-1, a clamping cylinder 9-6 arranged on the upper horizontal mounting plate 9-5, and a clamping column 9-2 arranged at the telescopic end of the clamping cylinder 9-6, wherein a lower horizontal mounting plate 9-4 is arranged on the vertical bottom plate 9-1, the upper horizontal mounting plate 9-5 and the lower horizontal mounting plate 9-4 are arranged in parallel up and down and are both perpendicular to the vertical bottom plate 9-1, a guide sleeve 9-3 is arranged in the lower horizontal mounting plate 9-4, the clamping column 9-2 penetrates through the guide sleeve 9-3, and a V-shaped clamping groove is arranged on the end surface of the clamping column 9-2 close to the workpiece 10, the clamping oil cylinder 9-6 is controlled by a controller 18.

In this embodiment, the milling cutter spindle box 7 includes a cutter box 7-4, a spindle power mechanism 7-1 disposed on the cutter box 7-4, and a transmission mechanism which is in transmission connection with the spindle power mechanism 7-1 and drives the disc milling cutter 13 to rotate, the transmission mechanism includes a first gear reduction transmission mechanism 7-2 in transmission connection with the spindle power mechanism 7-1 and a second gear reduction transmission mechanism 7-3 in transmission connection with the first gear reduction transmission mechanism 7-2, a gear pump 7-1-6 is disposed in the cutter box 7-4, the spindle power mechanism 7-1 drives the gear pump 7-1-6 to move through a transmission transition component, and the spindle power mechanism 7-1 is controlled by a controller 18.

In this embodiment, the front limit module includes a front limit switch 13-1 and a front limit block 13-4 disposed in the body 15 and engaged with the front limit switch 13-1;

the number of the rear limiting modules is two, and the first rear limiting module comprises a first rear limiting switch 13-2 and a first rear limiting block 13-5 which is arranged in the machine body 15 and matched with the first rear limiting switch 13-2; the second rear limiting module comprises a second rear limiting switch 13-3 and a second rear limiting block 13-6 which is arranged in the machine body 15 and matched with the second rear limiting switch 13-3, and the front limiting switch 13-1, the first rear limiting switch 13-2 and the second rear limiting switch 13-3 are controlled by a controller 18.

As shown in fig. 5-1 to 5-3, in this embodiment, the rack body 1-1 includes four vertical rods 1-1-2 vertically arranged, two first connecting rods 1-1-1 vertically connected between two adjacent vertical rods 1-1-2 in parallel and arranged along the length direction, and two second connecting rods 1-1-3 vertically connected between two adjacent vertical rods 1-1-2 in parallel and arranged along the width direction, the first connecting rods 1-1-1 and the second connecting rods 1-1-3 are vertically arranged, a bottom connecting rod 1-1-4 is arranged between the bottoms of the side surfaces of the two rack bodies 1-1, the rack body 1-1 is a rectangular parallelepiped rack body, and the tops of the vertical rods 1-1-2 extend out of the tops of the first connecting rods 1-1-1 at the upper portion.

The lifting adjusting part 1-3 comprises mounting seats 1-3-3 arranged on the side surfaces, close to the material containing parts 1-5, of the two material rack bodies 1-1, U-shaped parts 1-3-6 arranged on the mounting seats 1-3-3, vertical screw rods 1-3-2 penetrating through the mounting seats 1-3-3 and extending into the tops of the U-shaped parts 1-3-6, and screw nuts 1-3-7 sleeved on the vertical screw rods 1-3-2, and adjusting hand wheels 1-3-1 are arranged at the bottoms of the vertical screw rods 1-3-2 penetrating through the mounting seats 1-3-3.

The material containing part 1-5 comprises a lifting bottom plate 1-5-1 which is sleeved on the vertical screw rod 1-3-2 and connected with a screw nut 1-3-7, two vertical connecting plates 1-5-2 which are vertically arranged on the lifting bottom plate 1-5-1, and V-shaped carrier rollers 1-5-4 which are arranged on the two vertical connecting plates 1-5-2 and are positioned above the U-shaped part 1-3-6, wherein the lifting bottom plate 1-5-1 can move up and down along the cavity of the U-shaped part 1-3-6.

The material stirring component 1-2 comprises a material stirring shaft 1-2-2 which is arranged on the end part of the material rack body 1-1 close to the material containing component 1-5 in a penetrating mode and two material stirring components arranged on the material stirring shaft 1-2-2, an adjusting handle 1-2-1 is arranged on the end part of the material stirring shaft 1-2-2 extending out of the material rack body 1-1, and the length direction of the material stirring shaft 1-2-2 is arranged along the width direction of the material rack body 1-1.

The two material stirring pieces are arranged along the length direction of the material stirring shaft 1-2-2, each material stirring piece comprises a fixed sleeve 1-2-5 sleeved on the material stirring shaft 1-2-2 and a material stirring plate 1-2-4 sleeved on the material stirring shaft 1-2-2 and fixedly connected with the fixed sleeve 1-2-5, and the material stirring plate 1-2-4 is used for loading a workpiece 10 onto the material containing part 1-5 or unloading the machined workpiece from the material containing part 1-5.

In the embodiment, when the feeding device is actually used, two material rack bodies are arranged, and a gap is arranged between the two material rack bodies, so that on one hand, the length direction of the material rack bodies is increased, the number of workpieces contained in the material rack bodies is increased, and the continuous feeding of the workpieces is facilitated; on the other hand, the lifting adjusting part and the material containing part are arranged in the gap between the two material rack bodies so that the workpieces on the two material rack bodies can be loaded on the material containing part; the top of the vertical rod 1-1-2 extends out of the top of the first connecting rod 1-1-1 at the upper part, so that the workpieces 10 can be conveniently contained on the two first connecting rods 1-1-1 and can be prevented from sliding off. The material containing parts 1-5 and the lifting adjusting parts 1-3 are the same in number and correspond to each other one by one.

In this embodiment, the workpiece 10 may be a steel pipe, a cylindrical workpiece, or other rod material.

In the embodiment, in actual use, the two vertical rods 1-1-2 are provided with the L-shaped connecting plates 1-3-4 on the side surfaces close to the material containing parts 1-5, and the mounting seats 1-3-3 are arranged on the horizontal planes of the two L-shaped connecting plates 1-3-4. Four guide posts 1-3-5 which are symmetrically arranged are arranged on the mounting seat 1-3-3, the guide posts 1-3-5 penetrate through the lifting bottom plate 1-5-1, the maximum moving height of the lifting bottom plate 1-5-1 is not more than the height of the guide posts 1-3-5, and the lifting bottom plate 1-5-1 is prevented from slipping off the guide posts 1-3-5. The guide columns 1-3-5 are arranged for limiting the verticality of the up-and-down adjusting path of the mounting bases 1-3-3 so as to enable the lifting bottom plate 1-5-1 and the V-shaped carrier rollers 1-5-4 to be vertically lifted and adjusted. The vertical connecting plates 1-5-2 are arranged for mounting the V-shaped carrier rollers 1-5-4, so that the workpieces 10 can be conveniently placed on the V-shaped carrier rollers 1-5-4, and the workpieces 10 are prevented from being damaged by discharging.

In the embodiment, when the height of the V-shaped carrier roller 1-5-4 needs to be adjusted, the adjusting hand wheel 1-3-1 is operated to rotate, the adjusting hand wheel 1-3-1 rotates to drive the vertical screw rod 1-3-2 to rotate, the vertical screw rod 1-3-2 rotates to drive the lifting bottom plate 1-5-1 to lift along the guide column 1-3-5 through the screw nut 1-3-7, the lifting bottom plate 1-5-1 lifts along the guide column 1-3-5 through the vertical connecting plate 1-5-2 to drive the V-shaped carrier roller 1-5-4 to vertically lift, so that the height of the axis of the workpiece 10 on the V-shaped carrier roller 1-5-4 is not changed, the height requirement of a milling machine is met, and the loading and unloading of workpieces with different diameters are met, the application range is improved.

In the embodiment, during actual use, the outer side wall of the vertical rod 1-1-2 close to the material containing part 1-5 is provided with the scale 1-4-1, the vertical connecting plate 1-5-2 is provided with the indication arrow 1-4-2 for indicating the scale 1-4-1, the height of the V-shaped carrier roller 1-5-4 can be conveniently checked through the indication arrow 1-4-2 and the scale 1-4-1, and the adjustment rapidity is improved.

In this embodiment, in actual use, the top surface of the material-poking plate 1-2-4 sequentially consists of a first horizontal material-poking section 1-2-41, a first inclined material-poking section 1-2-42, a second horizontal material-poking section 1-2-43, a material-poking transition section 1-2-44 and a second inclined material-poking section 1-2-45, the top surface of the second horizontal material-poking section 1-2-43 is higher than the top surface of the first horizontal material-poking section 1-2-41, and the second inclined material-poking section 1-2-45 is gradually inclined upward.

As shown in fig. 5-4, in this embodiment, the material shifting plate 1-2-4 is arranged to push the workpiece 10 loaded on the first connecting rod 1-1-1 to roll until the workpiece 10 rolls above the first horizontal material shifting section 1-2-41, then the adjusting handle 1-2-1 is operated to drive the material shifting plate 1-2-4 to rotate clockwise through the material shifting shaft 1-2-2, and the first horizontal material shifting section 1-2-41 pushes the workpiece 10 to roll down to the second horizontal material shifting section 1-2-43 and the material shifting transition section 1-2-44; and the adjusting handle 1-2-1 is operated to continue rotating until the workpieces 10 contained in the second horizontal material stirring section 1-2-43 and the material stirring transition section 1-2-44 are attached to the V-shaped carrier roller 1-5-4, so that the workpieces 10 are loaded onto the V-shaped carrier roller 1-5-4.

Or the processed workpiece 10 is placed on the V-shaped carrier roller 1-5-4, the adjusting handle 1-2-1 is operated to drive the material shifting plate 1-2-4 to rotate anticlockwise through the material shifting shaft 1-2-2 until the workpiece 10 contained in the second horizontal material shifting section 1-2-43 and the material shifting transition section 1-2-44 rolls to the first connecting rod 1-1-1 through the first inclined material shifting section 1-2-42 and the first horizontal material shifting section 1-2-41 in sequence, so that the unloading of the workpiece 10 to the first connecting rod 1-1-1 is completed, and the workpiece 10 can be conveniently unloaded from the material rack body manually.

In this embodiment, the second inclined material stirring section 1-2-45 is gradually inclined upwards, so as to limit the workpiece 10 at the second horizontal material stirring section 1-2-43 and the material stirring transition section 1-2-44, and prevent the rotating workpiece 10 of the material stirring plate 1-2-4 from slipping.

In the embodiment, the fixed sleeve 1-2-5 is arranged so that the material poking piece is sleeved on the material poking shaft 1-2-2 and rotates along with the material poking shaft 1-2-2.

In this embodiment, in actual use, the mounting seat 1-3-3 is provided with a first bearing for mounting the vertical screw rod 1-3-2, and the top of the U-shaped member 1-3-6 is provided with a second bearing for mounting the top end of the vertical screw rod 1-3-2.

In the embodiment, when in actual use, the material shifting plates 1-2-4 on one material shifting shaft 1-2-2 and the material shifting plates 1-2-4 on the other material shifting shaft 1-2-2 are arranged in a staggered manner; the projections of the two material stirring plates 1-2-4 close to each other on the two material stirring shafts 1-2-2 are overlapped, and the length of the overlapped part is equal to that of the V-shaped carrier roller 1-5-4; the side surface of the vertical rod 1-1-2 is provided with a mounting bearing 1-2-3 for the material poking shaft 1-2-2 to penetrate through; two ends of the V-shaped carrier roller 1-5-4 can be rotatably arranged in the vertical connecting plate 1-5-2 through a carrier roller bearing 1-5-5.

Referring to fig. 6-1 to 6-3, in this embodiment, the ball screw moving mechanism 2-1 includes a motor 2-1-1, a horizontal screw 2-1-3 in transmission connection with an output shaft of the motor 2-1-1, a horizontal nut 2-1-4 sleeved on the horizontal screw 2-1-3, and a nut seat 2-1-5 sleeved on the horizontal screw 2-1-3 and connected with the horizontal nut 2-1-4, a connecting plate 2-1-7 is disposed on a top of the nut seat 2-1-5, and the connecting plate 2-1-7 is connected with the deck plate component.

The two guide mechanisms 2-3 respectively comprise a slide rail seat 2-3-1 arranged on the base 2-2-1, a linear slide rail 2-3-2 arranged on the slide rail seat 2-3-1 and two slide blocks 2-3-3 arranged on the linear slide rail 2-3-2, the linear slide rail 2-3-2 is provided with a linear guide rail locker 2-3-5, the linear guide rail locker 2-3-5 is positioned between the two sliding blocks 2-3-3, the slide rail seat 2-3-1 is provided with a lower pressing block 2-3-4 for limiting the side surface of the linear slide rail 2-3-2, the sliding block 2-3-3 and the linear guide rail locker 2-3-5 are connected with the deck plate component.

The table panel component comprises a table panel 2-7 and a table top cover plate 2-8 arranged in the table panel 2-7, the ball screw moving mechanism 2-1 and the guide mechanism 2-3 are positioned at the lower part of the table panel 2-7 and connected with the table panel 2-7, and the guide mechanism 2-3 is provided with an upper pressing block 2-7-1 for limiting two side surfaces of the table panel 2-7.

The feeding limiting module comprises an L-shaped mounting seat 2-6-4, a triple travel switch 2-6 arranged on the L-shaped mounting seat 2-6-4 and a contact part matched with the triple travel switch 2-6;

the touch part comprises an insert 2-4 arranged at the bottom of the table panel 2-7, and a first limit block 2-5-1, a second limit block 2-5-2 and a third limit block 2-5-3 arranged at the bottom of the insert 2-4, wherein a first contact 2-6-1, a second contact 2-6-2 and a third contact 2-6-3 are arranged on the triple travel switch 2-6, the first limit block 2-5-1 is correspondingly matched with the first contact 2-6-1, the second limit block 2-5-2 is correspondingly matched with the second contact 2-6-2, and the third limit block 2-5-3 is correspondingly matched with the third contact 2-6-3.

In the embodiment, in actual use, an output shaft of the motor 2-1-1 is in transmission connection with the horizontal screw rod 2-1-3 through the coupler 2-1-2, the base 2-2-1 is provided with a support mounting seat and a bearing seat 2-1-8, the support mounting seat comprises a support base 2-1-6 and a cover plate 2-1-13 arranged at the top of the support base 2-1-6, the support base 2-1-6 is integrally provided with a first mounting plate and a second mounting plate, a gap is formed between the first mounting plate and the second mounting plate for mounting the coupler 2-1-2, and the thickness of the second mounting plate is larger than that of the first mounting plate.

In the embodiment, the motor 2-1-1 is installed on the first installation plate, an output shaft of the motor 2-1-1 penetrates through the first installation plate, a first bearing 2-1-9 for rotatably installing one end of the horizontal screw rod 2-1-3 is arranged in the second installation plate, a second bearing 2-1-10 for rotatably installing the other end of the horizontal screw rod 2-1-3 is arranged in the bearing seat 2-1-8, and a round nut 2-1-11 is sleeved on the end part, extending out of the bearing seat 2-1-8, of the horizontal screw rod 2-1-3.

In the embodiment, when the bearing seat is actually used, the bearing seat 2-1-8 is provided with a positioning ring plate 2-1-17 for positioning the other end of the horizontal screw rod 2-1-3.

In the embodiment, in practical use, the top of the supporting and mounting seat is provided with a folding protective cover 2-1-12, one end of the folding protective cover 2-1-12 is connected with a side baffle 2-2-4 arranged on the side surface of the base 2-2-1 close to the motor 2-1-1, and one end of the folding protective cover 2-1-12 is connected with one end of the table top plate 2-7, so that the protection of the linear sliding rail 2-3-2 and the ball screw moving mechanism 2-1 is realized.

In the embodiment, the hoisting rings 2-2-3 are arranged, so that the feeding mechanism can be hoisted conveniently; the reinforcing plate 2-2-2 is arranged to improve the rigidity and strength of the base 2-2-1, so that the overall stability is improved.

In the embodiment, in actual use, the connecting plate 2-1-7, the linear guide rail locker 2-3-5 and the sliding block 2-3-3 are all connected with the deck plate 2-7, and the upper pressing block 2-7-1 is located on the side surfaces of the sliding block 2-3-3 and the deck plate 2-7.

In the embodiment, the lower pressing block 2-3-4 is arranged to limit the linear sliding rail 2-3-2, so that the linear sliding rail 2-3-2 is horizontally and radially arranged.

In the embodiment, the upper pressing block 2-7-1 is arranged to limit the table top plate 2-7 and assist in limiting the horizontal radial movement of the table top plate 2-7.

In this embodiment, in actual use, the first limiting block 2-5-1, the second limiting block 2-5-2, and the third limiting block 2-5-3 are disposed in a staggered manner, and the first limiting block 2-5-1, the second limiting block 2-5-2, and the third limiting block 2-5-3 are disposed along the radial front-back moving direction of the deck plate 2-7.

In this embodiment, the L-shaped mounting seat 2-6-4 is mounted on the base 2-2-1.

In this embodiment, in actual use, the first limiting block 2-5-1 and the first contact 2-6-1 are arranged to be correspondingly matched, so that when the first limiting block 2-5-1 touches the first contact 2-6-1 in the radial movement process of the disc milling cutter 13 on the tool rest 8 on the countertop 2-7, the triple travel switch 2-6 outputs a first signal to the controller 18, and the controller 18 controls the motor 2-1-1 to stop rotating, which means that the disc milling cutter 13 on the tool rest 8 moves to the radial front maximum position away from the workpiece; the third limiting blocks 2-5-3 are arranged to be correspondingly matched with the third contacts 2-6-3, so that when the third limiting blocks 2-5-3 touch the third contacts 2-6-3 in the radial movement process of the disc milling cutter 13 on the tool rest 8 on the table panel 2-7, the triple travel switch 2-6 outputs a second signal to the controller 18, and the controller 18 controls the motor 2-1-1 to stop rotating, which indicates that the disc milling cutter 13 on the tool rest 8 moves away from the workpiece to the radial rear maximum position; the second limiting block 2-5-2 and the second contact 2-6-2 are arranged to be correspondingly matched, so that when the second limiting block 2-5-2 touches the second contact 2-6-2 in the radial movement process of the disc milling cutter 13 on the tool rest 8 on the table panel 2-7, the triple travel switch 2-6 outputs a third signal to the controller 18, and the controller 18 controls the motor 2-1-1 to stop rotating, which indicates that the disc milling cutter 13 on the tool rest 8 moves to a zero position, and is convenient for eliminating the error of multiple feeding movement of the milling cutter.

In this embodiment, in practical use, the horizontal detection modules 2 to 9 include tilt sensors, which can be referred to the SCA60C of the HBL to detect tilt of the sensor module, or other sensors that can perform the same function.

In this embodiment, the tilt sensor is provided to detect that the table panels 2 to 7 are in a horizontal state, and further to assist in detecting and ensuring the radial feed of the disc milling cutter 13 on the tool rest 8.

In the embodiment, the table top cover plate 2-7 is detachably connected with the table top plate 2-7, so that the second bearing 2-1-10 and other parts are convenient to mount on one hand, and the maintenance is convenient on the other hand.

In the embodiment, the locking between the linear guide rail locker 2-3-5 and the linear slide rail 2-3-2 is released, then the controller 18 controls the motor 2-1-1 to rotate, the motor 2-1-1 rotates to drive the horizontal screw rod 2-1-3 to rotate through the coupler 2-1-2, the horizontal screw rod 2-1-3 rotates to drive the screw seat 2-1-5 to move along the length direction of the horizontal screw rod 2-1-3 through the horizontal screw 2-1-4, and the screw seat 2-1-5 drives the deck plate 2-7 to move through the connecting plate 2-1-7, so that the disc milling cutter 13 on the cutter rest 8 on the deck plate 2-7 is close to or far away from the workpiece to move in the radial direction;

in the process of moving the table panel 2-7, the table panel 2-7 drives the linear guide rail locker 2-3-5 and the slide block 2-3-3 to slide along the linear slide rail 2-3-2 until the disc milling cutter 13 on the tool rest 8 on the table panel 2-7 moves to a required processing position, the linear guide rail locker 2-3-5 and the linear slide rail 2-3-2 are operated to be locked relatively, and the disc milling cutter 13 on the tool rest 8 processes a workpiece.

As shown in fig. 7-1 and 7-2, in this embodiment, the first-stage gear transmission mechanism 3-2 includes a first-stage shaft 3-2-1 disposed in the linear feeding box 3-6, a first-stage driving gear 3-2-2 and a first-stage driven gear 3-2-3 disposed on the first-stage shaft 3-2-1, a first shaft sleeve 3-2-4 is sleeved on the first-stage shaft 3-2-1, the first shaft sleeve 3-2-4 is located between the first-stage driving gear 3-2-2 and the first-stage driven gear 3-2-3, and the first-stage driving gear 3-2-2 is engaged with the linear feeding driving gear 3-1-2;

the second-stage gear transmission mechanism 3-3 comprises a second-stage shaft 3-3-1 arranged in the linear feeding box body 3-6, a second-stage driving gear 3-3-2 and a second-stage driven gear 3-3-3 which are arranged on the second-stage shaft 3-3-1, and the second-stage driving gear 3-3-2 is meshed with the first-stage driven gear 3-2-3;

the third-stage gear transmission mechanism 3-4 comprises a third-stage shaft 3-4-1 arranged in the linear feeding box body 3-6, a third-stage driving gear 3-4-2 and a third-stage driven gear 3-4-3 which are arranged on the third-stage shaft 3-4-1, and the third-stage driving gear 3-4-2 is meshed with the second-stage driven gear 3-3-3;

the fourth-stage gear transmission mechanism 3-5 comprises a fourth-stage shaft 3-5-1 arranged in a linear feeding box body 3-6, a fourth-stage driving gear 3-5-2 and a fourth-stage driven gear 3-5-3 which are arranged on the fourth-stage shaft 3-5-1, the fourth-stage driving gear 3-5-2 is meshed with a third-stage driven gear 3-4-3, the lower end of the fourth-stage shaft 3-5-1 extends out of the linear feeding box body 3-6, the fourth-stage driven gear 3-5-3 is positioned at the lower end of the fourth-stage shaft 3-5-1, and the fourth-stage driven gear 3-5-3 is meshed with a rack 17.

In this embodiment, a rack seat 15-3 for mounting a rack 17 is arranged in the middle of a bottom plate 15-2 of the body 15 along the length direction.

In this embodiment, the two ends of the first-stage shaft 3-2-1, the two ends of the second-stage shaft 3-3-1, the two ends of the third-stage shaft 3-4-1, and the two ends of the fourth-stage shaft 3-5-1 are respectively provided with a first shaft end cover 3-2-5, a second shaft end cover 3-3-5, a third shaft end cover 3-4-5, and a fourth shaft end cover 3-5-5.

In this embodiment, the end of the output shaft of the feeding motor 3-1-1 is sleeved with a gear end cover 3-1-3 for positioning the linear feeding driving gear 3-1-2.

In the embodiment, the controller 18 controls the feed motor 3-1-1 to rotate, and the feed motor 3-1-1 rotates to drive the fourth-stage driven gear 3-5-3 on the fourth-stage gear transmission mechanism 3-5 to move along the rack 17 and close to the machine head 16 through the linear feed driving gear 3-1-2, the first-stage gear transmission mechanism 3-2, the second-stage gear transmission mechanism 3-3, the third-stage gear transmission mechanism 3-4 and the fourth-stage gear transmission mechanism 3-5 in sequence; or the controller 18 controls the feed motor 3-1-1 to rotate reversely, and the feed motor 3-1-1 rotates to drive the fourth-stage driven gear 3-5-3 on the fourth-stage gear transmission mechanism 3-5 to move along the rack 17 away from the machine head 16 through the linear feed driving gear 3-1-2, the first-stage gear transmission mechanism 3-2, the second-stage gear transmission mechanism 3-3, the third-stage gear transmission mechanism 3-4 and the fourth-stage gear transmission mechanism 3-5 in sequence.

As shown in fig. 8-1 to 8-3, in this embodiment, the worm and gear mechanism includes a worm box 5-2-3 connected to the rotating mechanism box 5-4 and extending into the rotating mechanism box 5-4, a worm 5-2-2 rotatably disposed in the worm box 5-2-3, and a worm gear 5-2 extending into the worm box 5-2-3 and engaged with the worm 5-2-2, the worm gear 5-2 is sleeved on the rotating shaft 5-3, and the rotary servo motor 5-1 is in transmission connection with the worm 5-2-2 through a transmission component.

In this embodiment, the transmission member includes a rotation driving gear 5-1-1 disposed on an output shaft of a rotation servo motor 5-1 and a rotation driven gear 5-2-1 disposed at an end of the worm 5-2-2 near the rotation servo motor 5-1, the rotation driving gear 5-1-1 is engaged with the rotation driven gear 5-2-1, and the worm box 5-2-3 is provided with a mounting hole for the worm gear 5-2 to extend into and engage with the worm 5-2-2.

In the embodiment, a first bearing cover 5-4-1 and a second bearing cover 5-4-2 are arranged on two opposite outer side walls of a box body 5-4 of the rotating mechanism, a first end cover 5-4-4 is arranged at one end, extending out of the first bearing cover 5-4-1, of a rotating shaft 5-3, a second end cover 5-4-3 is arranged at the other end, extending out of the second bearing cover 5-4-2, of the rotating shaft 5-3, and a workpiece 10 penetrates through the first end cover 5-4-4 and the second end cover 5-4-3;

the first end cover 5-4-4 and one air chuck 5-5 and the second end cover 5-4-3 and the other air chuck 5-5 are connected through a fixing block 5-5-1.

In this embodiment, the rotary shaft 5-3 and the workpiece 10 are coaxially arranged.

In the embodiment, the worm wheel 5-2 and the rotating shaft 5-3 are in transmission connection through a key, two first limit nuts 5-3-1 positioned on two sides of the worm wheel 5-2 are sleeved on the rotating shaft 5-3, ball bearings 5-3-2 for the rotating shaft 5-3 to be rotatably installed are arranged on two sides of the rotating mechanism box body 5-4, a second limit nut 5-3-3 is sleeved on the extending end of the rotating shaft 5-3, and the second limit nut 5-3-3 is attached to one side of the second bearing cover 5-4-2.

In this embodiment, the worm box 5-2-3 extends into the rotating mechanism box 5-4, and the output shaft of the rotary servo motor 5-1 penetrates through the worm box 5-2-3 and extends into the rotating mechanism box 5-4.

In this embodiment, one end of the rotating shaft 5-3 is provided with a first circular boss portion 5-3-11, a second circular boss portion 5-3-12 is provided outside the first circular boss portion 5-3-11, the length of the first circular boss portion 5-3-11 along the axis is greater than the length of the second circular boss portion 5-3-12 along the axis, and the outer diameter of the second circular boss portion 5-3-12 is greater than the outer diameter of the first circular boss portion 5-3-11.

In the embodiment, an inner spacer 5-3-13 is sleeved on the outer side wall of the other end of the rotating shaft 5-3, and the inner spacer 5-3-13 is connected with the second bearing cover 5-4-2 in a sealing manner; the first circular ring boss part 5-3-11 is connected with the first bearing cover 5-4-1 in a sealing way; the first end cover 5-4-4 is connected with the second circular boss part 5-3-12 through bolts, the second end cover 5-4-3 is connected with the other end face of the rotating shaft 5-3 through bolts, and the second limiting nut 5-3-3 is located between the second end cover 5-4-3 and the second bearing cover 5-4-2.

In the embodiment, the rotating mechanism box body 5-4 is provided with an air breather 5-4-5, and the other two opposite side surfaces of the rotating mechanism box body 5-4 are provided with convex edge connecting plates 5-4-6.

In this embodiment, the linear feed boxes 3-6 are connected to the ledge webs 5-4-6.

In this embodiment, in actual use, the top of the two sides of the body 15 is provided with a body sliding rail 16, and the bottom of the convex edge connecting plate 5-4-6 is provided with a sliding block matched with the body sliding rail 16.

In the embodiment, the workpiece 10 penetrates through one air chuck 5-5, the rotating shaft 5-3 and the other air chuck 5-5; the two pneumatic chucks 5-5 stretch until the pneumatic chucks 5-5 clamp the outer side wall of the workpiece 10, and the workpiece 10 and the rotating shaft 5-3 are coaxially arranged; the controller 18 controls the rotary servo motor 5-1 to rotate, the rotary servo motor 5-1 rotates to drive the rotary driven gear 5-2-1 to rotate through the rotary driving gear 5-1-1, the rotary driven gear 5-2-1 rotates to drive the worm wheel 5-2 to rotate through the worm 5-2-2, the worm wheel 5-2 rotates to drive the rotating shaft 5-3 to rotate through the key, and the rotating shaft 5-3 and the pneumatic chuck 5-5 drive the workpiece 10 to rotate.

As shown in fig. 9-1 to 9-4, in this embodiment, an oil cylinder frame base 4-6-1 is arranged on the clamping member base 4-1, an oil cylinder support 4-6-2 vertically arranged for mounting a cylinder body of the clamping member oil cylinder 4-6 is arranged on the oil cylinder frame base 4-6-1, the clamping member oil cylinder 4-6 passes through a telescopic end of the oil cylinder support 4-6-2 to be connected with a connecting block 4-7, the connecting block 4-7 is a T-shaped connecting block, and the connecting block 4-7 is connected with an outer side wall of the second push block 4-5 through a bolt.

In this embodiment, the bottom of the first push block 4-2 is provided with a first mounting groove for mounting the short rack 4-8-4 and a receiving groove for passing the long rack 4-8-3, the bottom of the second push block 4-4 is provided with a second mounting groove for mounting the long rack 4-8-3, and the short rack 4-8-4 is connected with the bottom of the first push block 4-2 and the long rack 4-8-3 is connected with the second push block 4-4 through bolts.

In the embodiment, the bottoms of the short rack 4-8-4 and the long rack 4-8-3 are both attached to the side surface of the clamping piece base 4-1, a mounting shaft 4-8-1 is arranged in the clamping piece base 4-1, the gear 4-8-2 is sleeved on the mounting shaft 4-8-1 through a bearing, and the long rack 4-8-3 and the short rack 4-8-4 are located on two sides of the gear 4-8-2 and are arranged in parallel along the diameter of the gear 4-8-2.

In the embodiment, two L-shaped limiting blocks 4-2-1 which are symmetrically arranged are arranged on the clamping piece base 4-1, and the bottoms of the first push block 4-2 and the second push block 4-5 slide along the L-shaped limiting blocks 4-2-1.

In this embodiment, in actual use, the bottom lengths of the first push block 4-2 and the second push block 4-5 in the left main clamping member 4-11 and the right main clamping member 6-11 are smaller than the top lengths of the first push block 4-2 and the second push block 4-5, so that the first push block 4-2 and the second push block 4-5 in the left main clamping member 4-11 and the right main clamping member 6-11 are arranged close to the disc mill 13;

the bottom length of the first push block 4-2 and the second push block 4-5 in the left auxiliary clamping part 4-12 and the right auxiliary clamping part 6-12 is the same as the top length of the first push block 4-2 and the second push block 4-5.

As shown in fig. 9 to 6, in this embodiment, the front holder body 4-10 and the rear holder body 6-10 have the same structure and each include a holder bottom plate 4-10-1, a holder vertical plate 4-10-3 disposed on the holder bottom plate 4-10-1, and a stiffener plate 4-10-2 disposed between the holder bottom plate 4-10-1 and the holder vertical plate 4-10-3, and the holder bottom plate 4-10-1 is mounted on the machine head 16.

In the embodiment, the vertical clamping piece plate 4-10-3 is provided with a positioning groove 4-10-4, the clamping piece base 4-1 is arranged on the side surface of the vertical clamping piece plate 4-10-3 and is provided with a matching groove, a positioning block is inserted into the positioning groove 4-10-4 and the positioning groove 4-10-4, and the clamping piece base 4-1 is further arranged on the vertical clamping piece plate 4-10-3 through a bolt, so that the clamping piece base 4-1 is attached to the vertical clamping piece plate 4-10-3.

In this embodiment, in actual use, the two first clamping blocks 4-3 are arranged at an obtuse angle, the two second clamping blocks 4-4 are arranged at an obtuse angle, and the two first clamping blocks 4-3 and the two second clamping blocks 4-4 form four clamping positions with the workpiece 10.

In this embodiment, as shown in fig. 9-5, in actual use, the vertical bottom plate 9-1 is mounted on the vertical plate 4-10-3 of the rear clamp body 6-10.

In the embodiment, the controller 18 controls the clamping piece oil cylinder 4-6 to stretch, the clamping piece oil cylinder 4-6 stretches and retracts to drive the second push block 4-5 to move up and down through the connecting block 4-7, the second push block 4-5 moves up and down through the long rack 4-8-3 to drive the gear 4-8-2 to rotate, the gear 4-8-2 rotates to drive the short rack 4-8-4 to move up and down, the short rack 4-8-4 moves up and down to drive the first push block 4-2 to move up and down, and the first push block 4-2 and the second push block 4-5 are close to or far away from each other until the first clamping block 4-3 and the second clamping block 4-4 are both attached to the workpiece 10 to clamp the workpiece 10, and the feeding of the workpiece 10 is not affected.

In the embodiment, the controller 18 controls the clamping oil cylinder 9-6 to extend, the clamping oil cylinder 9-6 extends to push the clamping columns 9-2 to extend out along the guide sleeve 9-3, so that the two clamping columns 9-2 clamp the workpiece being machined, the machined workpiece in threaded connection with the workpiece being machined is manually rotated and disassembled, and the subsequent workpiece being machined is prevented from deviating due to incomplete manual unloading; then the controller 18 controls the clamping oil cylinder 9-6 to contract, which is convenient for subsequent processing.

Referring to fig. 10-1 and 10-2, in the present embodiment, the spindle power mechanism 7-1 includes a main motor 7-1-1 disposed outside the tool box 7-4, a spindle 7-1-2 in transmission connection with an output shaft of the main motor 7-1-1, and a driving gear 7-1-3 disposed on the spindle 7-1-2 and adjacent to the main motor 7-1-1;

the transmission transition part comprises a driving pinion 7-1-4 sleeved on the main shaft 7-1-2 and a transition gear 7-1-5 meshed with the driving pinion 7-1-4, and the transition gear 7-1-5 is sleeved on a gear shaft of the gear pump 7-1-6.

In this embodiment, the first gear reduction transmission mechanism 7-2 includes a first transmission shaft 7-2-2 rotatably installed in the cutter box 7-4, and a front gear 7-2-1 and a rear gear 7-2-3 sleeved on the first transmission shaft 7-2-2, the driving gear 7-1-3 is engaged with the front gear 7-2-1, the radius of the front gear 7-2-1 is greater than that of the driving gear 7-1-3, and the radius of the front gear 7-2-1 is greater than that of the rear gear 7-2-3.

In this embodiment, the second gear reduction transmission mechanism 7-3 includes a second transmission shaft 7-3-1 rotatably installed in the cutter box 7-4 and a transmission gear 7-3-2 sleeved on the second transmission shaft 7-3-1, the transmission gear 7-3-2 is engaged with the rear gear 7-2-3, the disc milling cutter 13 is installed at an end portion of the second transmission shaft 7-3-1 extending out of the cutter box 7-4, and a radius of the transmission gear 7-3-2 is larger than a radius of the rear gear 7-2-3.

In the embodiment, in practical use, one end of the main shaft 7-1-2 is sleeved on the output shaft of the main motor 7-1-1 through a key, the main shaft 7-1-2 is respectively rotatably arranged in the box body 7-4 through a first main shaft bearing 7-1-21 and a second main shaft bearing, a first shaft cover plate 7-1-22 sleeved on the main shaft 7-1-2 is arranged outside the first main shaft bearing 7-1-21, a rotary lip-shaped sealing ring 7-1-23 is arranged between the first shaft cover plate 7-1-22 and the main shaft 7-1-2, the outer side of the first shaft cover plate 7-1-22 is provided with a main shaft pressure plate 7-1-24 sleeved on the main shaft 7-1-2.

In the embodiment, in practical use, the main motor 7-1-1 is a variable frequency motor, a motor protective cover 7-8 is arranged outside the main motor 7-1-1, and the motor protective cover 7-8 is arranged on the outer side wall of the box body 7-4.

In this embodiment, in practical use, the bottom of the box body 7-4 is provided with a spindle box mounting seat 7-7, and the spindle box mounting seat 7-7 is arranged on the tool rest 8.

In the embodiment, in actual use, the front gear 7-2-1, the rear gear 7-2-3 and the first transmission shaft 7-2-2, and the transmission gear 7-3-2 and the second transmission shaft 7-3-1 are connected through keys.

In the embodiment, two ends of the first transmission shaft 7-2-2 are rotatably installed in the box body 7-4 through first transmission shaft bearings respectively, a first spacer 7-2-11 and a second spacer 7-2-12 which are sleeved on the first transmission shaft 7-2-2 are arranged on two sides of the front gear 7-2-1, the first spacer 7-2-11 is arranged close to the second single-row tapered roller bearing, and the second spacer 7-2-12 is located between the front gear 7-2-1 and the rear gear 7-2-3.

In this embodiment, the diameter of the first transmission shaft 7-2-2 where the front gear 7-2-1 is located is smaller than the diameter of the first transmission shaft 7-2-2 where the rear gear 7-2-3 is located, and the diameter of the first transmission shaft 7-2-2 where the rear gear 7-2-3 is located is smaller than the diameter of the end portion, extending out of the rear gear 7-2-3, of the first transmission shaft 7-2-2.

In the embodiment, two ends of the second transmission shaft 7-3-1 are rotatably installed in the box body 7-4 through two second transmission shaft bearings 7-3-12, a first stop washer round nut member 7-3-22 and a third spacer 7-3-13 are sequentially arranged between the transmission gear 7-3-2 and the second transmission shaft bearing at the rear side, a second stop washer round nut member 7-3-11 is arranged at the end part of the second transmission shaft 7-3-1 extending out of the second transmission shaft bearing at the rear side, a first front cover 7-9 and a first rear cover 7-5 are arranged at two ends of the second transmission shaft 7-3-1, one end of the second transmission shaft 7-3-1 passes through the first front cover 7-9 for installing a disc milling cutter 13, the first front cover 7-9 and the first rear cover 7-5 are both connected with the box body 7-4; a limiting plate 7-3-21 sleeved on the second transmission shaft 7-3-1 is arranged between the transmission gear 7-3-2 and the second transmission shaft bearing at the front side.

In the embodiment, the first spacer 7-2-11 and the second spacer 7-2-12 are arranged to realize the axial limit of the front gear 7-2-1; the diameter of the first transmission shaft 7-2-2 where the second spacer 7-2-12 and the rear gear 7-2-3 are arranged is smaller than the diameter of the end part of the first transmission shaft 7-2-2 extending out of the rear gear 7-2-3, so that the rear gear 7-2-3 is axially limited;

the first stop washer round nut member 7-3-22 and the limit plate 7-3-21 are provided to limit the axis of the transmission gear 7-3-2, thereby ensuring smooth transmission between the driving gear 7-1-3 and the front gear 7-2-1 and between the rear gear 7-2-3 and the transmission gear 7-3-2 and avoiding breakage of the main shaft.

In this embodiment, a second front cover 7-6 is disposed at one end of the first transmission shaft 7-2-2 close to the disc milling cutter 13, and the second front cover 7-6 is connected with the box body 7-4. The main shaft 7-1-2 and the driving gear 7-1-3 are fixed into a whole. The outer diameter of the second transmission shaft 7-3-1 is larger than that of the first transmission shaft 7-2-2.

In the embodiment, the radius of the front gear 7-2-1 is larger than that of the rear gear 7-2-3, and the radius of the transmission gear 7-3-2 is larger than that of the rear gear 7-2-3, so that the secondary speed reduction of the power of the main shaft 7-1-2 is realized.

In this embodiment, the rotation speed of the facing cutter 13 is 100r/min to 300 r/min.

In the embodiment, the main motor 7-1-1 rotates to drive the main shaft 7-1-2, the main shaft 7-1-2 rotates to drive the front gear 7-2-1 to rotate through the driving gear 7-1-3, the front gear 7-2-1 rotates to drive the rear gear 7-2-3 to rotate through the first transmission shaft 7-2-2, the rear gear 7-2-3 rotates to drive the second transmission shaft 7-3-1 to rotate through the transmission gear 7-3-2, and the second transmission shaft 7-3-1 rotates to drive the disc milling cutter 13 to rotate so as to rotatably process the disc milling cutter 13; in addition, the gear pump 7-1-6 is driven to act by the driving pinion 7-1-4 and the transition gear 7-1-5, so that lubricating oil is conveniently provided for the milling cutter spindle box 7 through the gear pump 7-1-6, and the integral compactness is improved.

In this embodiment, the tool rest 8 is a triangular tool rest, the bottom of the tool rest 8 is horizontally mounted on the table board 2-7, and the milling cutter spindle box 7 is mounted on the inclined plane of the tool rest 8. The main motor 7-1-1 is controlled by a controller 18.

In the embodiment, the front limiting block 13-4, the first rear limiting block 13-5 and the second rear limiting block 13-6 are mounted on the bottom plate 15-2 of the machine body through the frame body, the front limiting switch 13-1 is mounted at the end of the convex edge connecting plate 5-4-6, and the first rear limiting switch 13-2 and the second rear limiting switch 13-3 are symmetrically mounted on the linear feeding box body 3-6.

In this embodiment, when the front limit switch 13-1 detects the front limit block 13-4, the front limit switch 13-1 outputs a front signal to the controller 18, and the controller 18 controls the feeding motor 3-1-1 and the rotary servo motor 5-1 to stop rotating, which means that the rotary mechanism 5 is fed and moved to the maximum radial forward position, and the pneumatic chuck 5-5 is operated to release the clamping of the workpiece 10;

the linear feeding mechanism 3 drives the rotating mechanism 5 to axially retreat, when the first rear limit switch 13-2 detects the first rear limit block 13-5, the first rear limit switch 13-2 outputs a front signal to the controller 18, the second rear limit block 13-6 detects the second rear limit switch 13-3, the second rear limit switch 13-3 outputs a front signal to the controller 18, the controller 18 controls the feeding motor 3-1-1 and the rotary servo motor 5-1 to stop rotating, the pneumatic chuck 5-5 is operated to contract to clamp the workpiece 10, and the next rotary feeding is facilitated.

In this embodiment, the bottom plate 15-2 of the machine body is provided with an auxiliary carrier roller 14.

In this embodiment, the X-axis feeding mechanism 2 drives the workpiece 10 to rotate and feed through the rotating mechanism 5, and in the feeding process of the workpiece 10, the two disc milling cutters 13 perform double-spiral-groove processing on the workpiece 10, and the front clamping piece 4 and the rear clamping piece 6 clamp the workpiece 10, so that the workpiece 10 is stably fed in the double-spiral-groove milling process, and the stability and the precision of the double-spiral-groove processing are improved.

In this embodiment, a temperature sensor 21 is provided in the shroud 19, and the temperature sensor 21 is connected to the controller 18 to detect the internal temperature of the body 15.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a double helix groove milling machine device which characterized in that: the milling machine comprises a double-spiral-groove milling machine, a feeding frame (1) which is arranged at the feeding end of the double-spiral-groove milling machine and used for feeding workpieces (10) and a discharging frame (20) which is arranged at the discharging end of the double-spiral-groove milling machine and used for containing the processed workpieces, wherein the double-spiral-groove milling machine comprises a machine head milling cutter structure and a machine body rotary feeding structure, the machine head milling cutter structure comprises a machine head (16), a milling cutter mechanism which is arranged on the machine head (16) and used for processing the workpieces (10), a front clamping piece (4) which is arranged on the machine head (16) and is positioned at the feeding side of the milling cutter mechanism and used for clamping the workpieces (10), and a rear clamping piece (6) which is arranged on the discharging side of the milling cutter mechanism and used for clamping the processed workpieces, and two discharging clamping mechanisms (9) which are arranged on the rear clamping piece (6) and are arranged symmetrically up and down;

the machine body rotary feeding structure comprises a machine body (15) fixedly connected with the machine head (16), a protective cover (19) arranged on the machine body (15), a rotating mechanism (5) arranged on the machine body (15) and used for clamping a workpiece (10), and a linear feeding mechanism (3) connected with the rotating mechanism (5) and used for driving the rotating mechanism (5) to move along the length direction of the machine body (15), wherein the rotating mechanism (5) and the linear feeding mechanism (3) are positioned in the protective cover (19);

the milling cutter mechanism comprises two milling cutter components which are respectively positioned at two sides of a workpiece (10), the two milling cutter components have the same structure, each milling cutter component comprises an X-axis feeding mechanism (2) arranged on the machine head (16), a cutter rest (8) arranged on the X-axis feeding mechanism (2), a disc milling cutter (13) spindle box (7) arranged on the cutter rest (8), and a disc milling cutter (13) which is arranged on the milling cutter spindle box (7) and is used for processing a spiral groove on the workpiece (10), and the X-axis feeding mechanism (2) drives the milling cutter to be close to or far away from the workpiece (10) to move through the cutter rest (8);

the automatic feeding device is characterized in that the rotating mechanism (5), the linear feeding mechanism (3), the X-axis feeding mechanism (2), the disc milling cutter (13), the front clamping piece (4), the rear clamping piece (6) and the discharging clamping mechanism (9) are controlled by a controller (18), a front limiting module and a rear limiting module are arranged on the machine body (15), and the front limiting module and the rear limiting module are connected with the controller (18).

2. A double helical slot milling machine apparatus as defined in claim 1 wherein: the discharging frame (20) and the feeding frame (1) have the same structure, the discharging frame (20) and the feeding frame (1) respectively comprise two symmetrically arranged material frame bodies (1-1), two lifting adjusting parts (1-3) arranged between the two material frame bodies (1-1) and material containing parts (1-5) arranged on the lifting adjusting parts (1-3) and used for containing workpieces (10), and two material shifting parts (1-2) which are symmetrically arranged at the end parts of the two material rack bodies (1-1) close to the material containing parts (1-5) and are positioned at the two sides of the material containing parts (1-5), the lifting adjusting part (1-3) drives the material containing part (1-5) to lift, thereby realizing the height adjustment of the workpiece (10) on the material containing parts (1-5).

3. A double helical slot milling machine apparatus as defined in claim 1 wherein: the X-axis feeding mechanism (2) comprises a base part (2-2) arranged at the bottom of the machine head (16), a ball screw moving mechanism (2-1) arranged on the base part (2-2), two guide mechanisms (2-3) arranged on the base part (2-2) and positioned at two sides of the ball screw moving mechanism (2-1), and a table board part arranged on the guide mechanisms (2-3) and the ball screw moving mechanism (2-1) and used for installing a tool rest (8), wherein the ball screw moving mechanism (2-1) drives the table board part to slide along the guide mechanisms (2-3) so that the table board part drives a disc milling cutter (13) on the tool rest (8) to move;

the base part (2-2) comprises a base (2-2-1) arranged on the bottom of the machine head (16) and four lifting rings (2-2-3) symmetrically arranged on two sides of the base (2-2-1), reinforcing plates (2-2-2) are arranged on the bottom of the base (2-2-1) close to two sides, feeding limiting modules are arranged on the base (2-2-1) and the deck plate part, and a horizontal detection module (2-9) is arranged on the deck plate part;

the ball screw moving mechanism (2-1) is controlled by a controller (18), and the feeding limiting module and the horizontal detection module (2-9) are both connected with the controller (18).

4. A double helical slot milling machine apparatus as defined in claim 1 wherein: the linear feeding mechanism (3) comprises a linear feeding box body (3-6) connected with the rotating mechanism (5), a feeding power mechanism (3-1) arranged on the linear feeding box body (3-6) and a gear transmission mechanism which is arranged in the linear feeding box body (3-6) and is in transmission connection with the feeding power mechanism (3-1), and the gear transmission mechanism comprises a first-stage gear transmission mechanism (3-2), a second-stage gear transmission mechanism (3-3), a third-stage gear transmission mechanism (3-4) and a fourth-stage gear transmission mechanism (3-5) which are in transmission connection in sequence;

the feeding power mechanism (3-1) comprises a feeding motor (3-1-1) arranged at the top of the linear feeding box body (3-6) and a linear feeding driving gear (3-1-2) arranged on an output shaft of the feeding motor (3-1-1), and the linear feeding driving gear (3-1-2) is in transmission connection with the first-stage gear transmission mechanism (3-2);

a rack (17) is arranged in the middle of the machine body (15) along the length direction, and the fourth-stage gear transmission mechanism (3-5) is meshed with the rack (17) and can slide along the length direction of the rack (17);

the feeding motor (3-1-1) is controlled by a controller (18).

5. A double helical slot milling machine apparatus as defined in claim 1 wherein: the rotating mechanism (5) comprises a rotating mechanism (5) for clamping a workpiece (10), the rotating mechanism (5) comprises a rotating mechanism box body (5-4), a worm gear mechanism arranged in the rotating mechanism box body (5-4) and a rotating servo motor (5-1) which is arranged on the rotating mechanism box body (5-4) and is in transmission connection with the worm gear mechanism, and a rotating shaft (5-3) which is in transmission connection with the worm gear mechanism and is used for a workpiece (10) to penetrate through, the rotating shaft (5-3) is of a hollow structure, the rotating shaft (5-3) penetrates through the rotating mechanism box body (5-4), two ends of the workpiece (10) penetrate through the rotating mechanism box body (5-4) and extend out of two ends of the rotating shaft (5-3);

and the two ends of the rotating shaft (5-3) are provided with pneumatic chucks (5-5) for clamping a workpiece (10), and the rotating servo motor (5-1) is controlled by a controller (18).

6. A double helical slot milling machine apparatus as defined in claim 1 wherein: the front clamping piece (4) comprises a front clamping piece body (4-10), a left main clamping piece (4-11) and a left auxiliary clamping piece (4-12) which are arranged on the front clamping piece body (4-10), the rear clamping piece (6) comprises a rear clamping piece body (6-10), a right main clamping piece (6-11) and a right auxiliary clamping piece (6-12) which are arranged on the rear clamping piece body (6-10), the left main clamping piece (4-11) and the right main clamping piece (6-11) are both arranged close to the two milling cutter components, and the unloading clamping mechanism (9) is positioned on the rear clamping piece body (6-10);

the front clamping piece body (4-10) and the rear clamping piece body (6-10) have the same structure and are both arranged on the machine head (16), the structures of the right main clamping piece (6-11), the right auxiliary clamping piece (6-12), the left main clamping piece (4-11) and the left auxiliary clamping piece (4-12) are the same, and the right main clamping piece (6-11), the right auxiliary clamping piece (6-12), the left main clamping piece (4-11) and the left auxiliary clamping piece (4-12) respectively comprise a clamping piece base (4-1) arranged on the front clamping piece body (4-10), a first clamping part and a second clamping part which are arranged on the clamping piece base (4-1) and used for clamping the workpiece (10), the clamping power component drives the first clamping component and the second clamping component to approach or depart from each other; the clamping power component is controlled by a controller (18).

7. A double helical slot milling machine apparatus as defined in claim 6 wherein: the first clamping component comprises a first push block (4-2) and two first clamping blocks (4-3) arranged on the first push block (4-2), the second clamping component comprises a second push block (4-5) and two second clamping blocks (4-4) arranged on the second push block (4-5), and the first clamping blocks (4-3) and the second clamping blocks (4-4) form clamping channels for clamping workpieces (10);

the clamping power component comprises a clamping piece oil cylinder (4-6), a connecting block (4-7) for connecting the clamping piece oil cylinder (4-6) with the second push block (4-5), a long rack (4-8-3) connected with the second push block (4-5), a short rack (4-8-4) connected with the first push block (4-2), and a gear (4-8-2) which is arranged between the long rack (4-8-3) and the short rack (4-8-4) and is in meshed connection with the long rack (4-8-3) and the short rack (4-8-4), and the clamping piece oil cylinder (4-6) is controlled by a controller (18).

8. A double helical slot milling machine apparatus as defined in claim 6 wherein: the two unloading clamping mechanisms (9) respectively comprise a vertical bottom plate (9-1) arranged on a rear clamping piece body (6-10), an upper horizontal mounting plate (9-5) arranged on the vertical bottom plate (9-1), a clamping oil cylinder (9-6) arranged on the upper horizontal mounting plate (9-5) and a clamping column (9-2) arranged on the telescopic end of the clamping oil cylinder (9-6), a lower horizontal mounting plate (9-4) is arranged on the vertical bottom plate (9-1), the upper horizontal mounting plate (9-5) and the lower horizontal mounting plate (9-4) are arranged in parallel from top to bottom and are respectively perpendicular to the vertical bottom plate (9-1), a guide sleeve (9-3) penetrates through the lower horizontal mounting plate (9-4), and the clamping column (9-2) penetrates through the guide sleeve (9-3), the end face, close to the workpiece (10), of the clamping column (9-2) is provided with a V-shaped clamping groove, and the clamping oil cylinder (9-6) is controlled by a controller (18).

9. A double helical slot milling machine apparatus as defined in claim 1 wherein: the milling cutter spindle box (7) comprises a cutter box body (7-4), a spindle power mechanism (7-1) arranged on the cutter box body (7-4) and a transmission mechanism which is in transmission connection with the spindle power mechanism (7-1) and drives the disc milling cutter (13) to rotate, the transmission mechanism comprises a first gear reduction transmission mechanism (7-2) in transmission connection with the main shaft power mechanism (7-1) and a second gear reduction transmission mechanism (7-3) in transmission connection with the first gear reduction transmission mechanism (7-2), a gear pump (7-1-6) is arranged in the cutter box body (7-4), the main shaft power mechanism (7-1) drives the gear pump (7-1-6) to act through a transmission transition part, and the main shaft power mechanism (7-1) is controlled by a controller (18).

10. A double helical slot milling machine apparatus as defined in claim 1 wherein: the front limiting module comprises a front limiting switch (13-1) and a front limiting block (13-4) which is arranged in the machine body (15) and matched with the front limiting switch (13-1);

the number of the rear limiting modules is two, and the first rear limiting module comprises a first rear limiting switch (13-2) and a first rear limiting block (13-5) which is arranged in the machine body (15) and matched with the first rear limiting switch (13-2); the second rear limiting module comprises a second rear limiting switch (13-3) and a second rear limiting block (13-6) which is arranged in the machine body (15) and matched with the second rear limiting switch (13-3), and the front limiting switch (13-1), the first rear limiting switch (13-2) and the second rear limiting switch (13-3) are controlled by a controller (18).