CN212443397U

CN212443397U - Double-end numerical control end face mill for aluminum alloy section

Info

Publication number: CN212443397U
Application number: CN202021308413.3U
Authority: CN
Inventors: 张爱民; 张志刚; 孙涛
Original assignee: Shandong Leide Cnc Machinery Co ltd
Current assignee: Shandong Leide Cnc Machinery Co ltd
Priority date: 2020-07-07
Filing date: 2020-07-07
Publication date: 2021-02-02
Anticipated expiration: 2030-07-07

Abstract

In order to solve section bar terminal surface machining efficiency, the low scheduling problem of quality, the utility model provides an aluminum alloy ex-trusions double-end numerical control end face mills, mainly include the frame, be located the frame about the aircraft nose at both ends, a material device is dragged for dragging the section bar, a blevile of push that is used for carrying aircraft nose processing station and can wholly reciprocate to hold in the palm material device and promote the section bar and move backward, two equal horizontal sliding connection of aircraft nose in frame top, and by big slide, fixed connection is in the cutter head of big slide top, a rotary positioning device and the gyration closing device that is used for fixing a position the section bar and compresses tightly constitute, furthermore, hold in the palm the inboard that the material device is located to drag material device and blevile of push, milling machine through this structure, can high efficiency process the section bar terminal surface, do benefit to realization automation, improve processingquality.

Description

Double-end numerical control end face mill for aluminum alloy section

Technical Field

The utility model relates to an end surface milling machine technical field, in particular to aluminum alloy ex-trusions double-end numerical control end milling.

Background

With the diversification of the section, the window forming size and the style of the aluminum alloy door and window assembly section and the development of the home decoration industry, the requirements of customers on the individuation and the quality of doors and windows are higher and higher; the accuracy requirements for the windowing and the skill requirements of the skilled worker are also increased. Labor cost and industry concentration are higher and higher; in the original single machine processing mode, because the requirement on the skill of a technical worker is higher, if the skill of the worker cannot meet the requirement, the production efficiency and the door and window quality cannot be effectively guaranteed, and the management cost and the comprehensive cost are higher; the processing mode is not suitable for the processing production of modern aluminum alloy doors and windows; the demand for automation and intellectualization of door and window assembling equipment is becoming more urgent.

SUMMERY OF THE UTILITY MODEL

In order to solve section bar terminal surface machining efficiency, quality low grade problem, the utility model provides an aluminum alloy ex-trusions double-end numerical control end face mills, the technical scheme of adoption as follows:

the utility model provides an aluminum alloy ex-trusions double-end numerical control end face mills which characterized in that mainly includes:

the guide rails are distributed along the length direction above the rack;

the machine head comprises a left machine head and a right machine head which are respectively positioned above the left end and the right end of the rack, the left machine head and the right machine head are identical in structure and respectively consist of a large sliding plate, a milling head fixedly connected above the large sliding plate, a rotary positioning device and a rotary pressing device for positioning and pressing the section bar, and the large sliding plate is connected with the rack in a left-right sliding manner through a first guide rail pair;

the material dragging device comprises a left material dragging device and a right material dragging device which are respectively fixedly connected to the inner sides of the rear parts of the left machine head and the right machine head and are used for dragging the section material to move backwards and can move up and down and back and forth;

the material supporting device is used for conveying the section to a machine head machining station and can integrally move up and down, and comprises a left material supporting device and a right material supporting device which are respectively and fixedly connected to the inner sides of a left machine head and a right machine head;

the pushing device comprises a left pushing device and a right pushing device which are fixedly connected to the inner sides of the rear parts of the left machine head and the right machine head respectively and used for pushing the section bar to move backwards and can move up and down;

the material supporting device is positioned at the inner sides of the material dragging device and the material pushing device.

Preferably, the machine head further comprises a feeding device for driving the milling head to move left and right, a buffering device and a limiting device, wherein the buffering device and the limiting device are connected between the milling head and the large sliding plate; the damping device comprises a damping cylinder and a damping cylinder mounting seat, the axis of a piston rod of the damping cylinder is distributed along the front and back directions of the frame, the cylinder body of the damping cylinder is fixedly connected with the milling head through the damping cylinder mounting seat, and one end of the piston rod is fixedly connected with the sliding plate through a damping connecting shaft; stop device fixed connection is in big slide top and be located the cutter head inboard, mainly comprises spacing mount pad, first gag lever post and buffering axle, first gag lever post fixed connection is in spacing mount pad, and sliding connection is in spacing mount pad around the buffering axle, and gag lever post and buffering axle all are located between cutter head and the spacing mount pad and along frame fore-and-aft direction distribution, be connected with buffer spring between buffering axle and the spacing mount pad.

Preferably, the rotary positioning device consists of a positioning rotary support, a swing arm rotationally connected to the upper part of the positioning rotary support, a side positioning plate fixedly connected to the swing arm, and a positioning rotary cylinder positioned below the hinged point of the swing arm and the positioning rotary support, the cylinder body of the positioning rotary cylinder is fixedly connected with the positioning rotary support, one end of the piston rod is hinged with the swing arm, the axes of the piston rods are distributed along the front-back direction of the frame and incline towards the upper part of the front end, the front end of the rotary support seat positioned above the hinged joint of the swing arm and the positioning rotary support seat is provided with a limiting shaft for limiting the rotation angle of the swing arm, in addition, a sliding plate is fixedly connected below the positioning rotary support, positioning base plates fixedly connected above the large sliding plate are arranged at the left side and the right side of the sliding plate, and a positioning pressure plate for fixing the position of the sliding plate is fixedly connected above the positioning base plate and the sliding plate.

Preferably, slewing bearing still is connected with and is used for driving the gliding adjusting device of location slewing bearing along the frame left and right sides direction, adjusting device comprises lead screw, hand wheel and regulation support, adjusts support fixed connection in big slide top, and the lead screw passes the regulation support along the frame left and right sides direction and links to each other through bearing rotation between the two, and location slewing bearing passes through the screw with lead screw one end and links to each other, and the lead screw one end that is close to the regulation support links to each other with the hand wheel is fixed.

Preferably, the rotary compressing device mainly comprises a fixed part and a rotating part which rotates around the fixed part by a certain angle, the fixed part consists of a bottom plate, a first vertical plate and a second vertical plate which are fixedly connected above the bottom plate, a working table plate which is fixedly connected above the two vertical plates, a push rod, a compressing horizontal cylinder for driving the push rod to move back and forth and a compressing vertical cylinder for driving the push rod to move up and down, the working table plate is provided with strip through holes with lengths distributed along the front and back directions of a machine tool, the axes of piston rods of the compressing vertical cylinders are vertically distributed upwards and fixedly connected with the push rod, the compressing horizontal cylinder is fixedly connected below the working table plate, the axes of the compressing horizontal cylinder are distributed along the length direction of the strip holes, and one end of the piston rod; the rotating portion comprises a rotating plate located behind a bottom plate, a compressing rotary cylinder located below the rotating plate and used for driving the rotating plate to rotate 90 degrees to the upper front side along the rear end of the bottom plate, a compressing cylinder fixedly connected above the rotating plate and a vertical backup plate, one end of a piston rod of the compressing cylinder is fixedly connected with a compressing plate used for compressing a section, the compressing plate is distributed perpendicular to the rotating plate, the compressing plate is distributed parallel to a working table plate in a section compressing state, the vertical backup plate is distributed perpendicular to the working table plate, and in addition, a 90-degree limiting plate used for limiting the rotating plate to rotate 90 degrees is fixedly connected between a first vertical plate and a second vertical plate and close to one end of the vertical backup plate.

Preferably, the left machine head, the right machine head and the rack are connected in a left-right sliding mode, a limiting cylinder and a hinge shaft are arranged between the right machine head and the rack, a cylinder body of the limiting cylinder is fixedly connected with the rack, a movable end of the limiting cylinder is connected with one end of the hinge shaft, the other end of the hinge shaft is fixedly connected with the left machine head, and the axis direction of a piston rod of the limiting cylinder is distributed along the left-right direction; the left machine head is fixedly connected with a first servo motor below, a transmission gear is fixedly connected with an output shaft of the first servo motor, a rack is fixedly connected with the rack along the length direction, the transmission gear is meshed with the rack and is connected with the right machine head, the right machine head is driven by the first servo motor to move along the left and right directions of the rack, and clamping devices are connected between the left machine head and the rack support.

Preferably, the left material dragging device and the right material dragging device are identical in structure and are composed of a material dragging support, a material dragging sliding plate, a material dragging vertical cylinder, a material dragging horizontal cylinder and a handle, the material dragging sliding plate is connected to the inner side of the upper portion of the material dragging support in a vertical sliding mode through the material dragging vertical cylinder, the handle is fixedly connected with a material dragging pull plate, the material dragging pull plate is connected to the rear portion of the material dragging sliding plate in a sliding mode in the front-rear direction of the material dragging horizontal cylinder, and the material dragging positioning plate used for limiting the forward moving distance of the handle is fixedly connected to the rear end of the material dragging sliding plate.

Preferably, the left material supporting device and the right material supporting device have the same structure and are composed of a material supporting support seat fixedly connected above the machine head, a material supporting connecting plate, a material supporting vertical cylinder fixedly connected to the material supporting support seat and used for driving the material supporting connecting plate to slide up and down along the material supporting support seat, a support frame fixedly connected to the inner side of the material supporting connecting plate, a driving wheel and a driven wheel fixedly connected to the front end and the rear end of the support frame, and a conveyor belt connected between the driving wheel and the driven wheel, the front and back directions of the conveyor belt are distributed at the inner side of the machine head, the support frame is positioned in the conveyor belt and is distributed front and back along the moving direction of the conveyor belt, in addition, the outer sides of the front end and the rear end of the support frame are respectively and fixedly connected with a driving wheel connecting plate and a driven wheel connecting plate, the driving wheel and the driven wheel are respectively and rotatably connected with the driving wheel connecting plate and the driven wheel connecting plate, and the driving wheel is connected with a second servo motor.

Preferably, follow driving wheel connecting plate and support frame and pass through bolt thread fixed connection, be provided with a plurality of groups of mounting holes along length direction on the follow driving wheel connecting plate, adjust the conveyer belt rate of tension through the adjustment from driving wheel connecting plate and support frame hookup location.

Preferably, the left material pushing device and the right material pushing device are identical in structure and are composed of a material pushing support fixedly connected to the front of the machine head, a material pushing sliding plate connected to the upper portion of the material pushing support in a vertical sliding mode through a material pushing vertical cylinder, a pushing handle connecting plate connected to the material pushing sliding plate in a sliding mode in the front-back direction through a material pushing horizontal cylinder, and a pushing plate fixedly connected to the pushing handle connecting plate and used for driving the section bar to move.

The beneficial effects of the utility model reside in that: the automation of section processing is realized through the dragging device, the supporting device and the pushing device, and the arrangement of the left machine head and the right machine head can simultaneously process two ends of the section, so that the working efficiency is effectively improved, and the processing precision is improved; the milling head is provided with a rotary positioning and rotary pressing device, so that the stability of the section bar in the processing process is improved, and the processing precision is ensured; set up position control device on the left side aircraft nose, can prevent effectively that the section bar of treating processing from interfering with the side locating plate among the rotary positioning device, guarantee simultaneously that the section bar terminal surface leans on closely to fix a position between the side locating plate, guarantee section bar terminal surface machining precision.

Drawings

FIG. 1 is a schematic view of the structure of the present invention

FIG. 2 is a front view of the left handpiece

FIG. 3 is a left side view of FIG. 1

FIG. 4 is a schematic view of the clamp device

FIGS. 5-6 are schematic views of the left hand head

FIGS. 7-9 are schematic views of the left milling head

FIGS. 10-12 are schematic views of the rotary pressing device

FIGS. 13-14 are schematic views of the rotary positioning device

FIGS. 15-16 are schematic views of the left material supporting device

FIG. 17 is a schematic view of a left dragging device

FIG. 18 is a schematic view of a left pushing structure

Wherein, 1-an electric cabinet, 2-an operation box, 3-a drag chain box, 4-a left machine head, 5-a right material dragging device, 6-a right material supporting device,

7-a rack, 8-a middle support of an end face to be milled, 9-a left material supporting device, 901-a material supporting support seat, 902-a material supporting connecting plate, 903-a material supporting vertical cylinder, 904-a floating joint, 905-a guide rail connecting plate, 906-a material supporting guide rail pair, 907-a support frame, 908-a driving wheel, 909-a driving wheel connecting plate, 910-a second servo motor, 911-a driven wheel, 912-a driven wheel connecting plate, 913-an adjusting block, 914-a material supporting cushion plate, 915-a material supporting vertical cylinder support and 916-a conveying belt; 10-a material baffle plate, 11-a left machine head, 12-a left material dragging device, 1201-a material dragging support, 1202-a material dragging vertical cylinder, 1203-a material dragging vertical cylinder support, 1204-a material dragging vertical guide rail pair, 1205-a material dragging first fisheye joint, 1206-a material dragging first articulated shaft, 1207-a material dragging horizontal guide rail connecting plate, 1208-a material dragging second articulated shaft, 1209-a material dragging second fisheye joint, 1210-a material dragging sliding plate, 1211-a material dragging horizontal cylinder support, 1212-a material dragging horizontal guide rail pair, 1213-a material dragging horizontal cylinder, 1214-a material dragging positioning plate, 1215-a material dragging plate, 1216-a handle; 13-a machine head cover, 14-a left material pushing device, 1401-a material pushing bracket, 1402-a material pushing vertical cylinder, 1403-a material pushing vertical cylinder support, 1404-a material pushing vertical guide rail pair, 1405-a material pushing horizontal guide rail pair, 1406-a push plate, 1407-a push plate connecting plate, 1408-a material pushing horizontal cylinder, 1409-a material pushing horizontal cylinder support, 1410-a material pushing sliding plate, 1411-a reinforcing plate, 1412-a material pushing first fisheye joint, 1413-a material pushing first hinging shaft, 1414-a material pushing horizontal cylinder connecting plate, 1415-a material pushing second hinging shaft and 1416-a material pushing second fisheye joint; 15-a machined middle support, 16-a middle support in a machining state, 17-a left material pushing device, 18-a hinged shaft, 19-an adjusting cylinder, 20-an adjusting cylinder mounting seat, 21-a rack, 22-a transmission gear, 23-a first servo motor, 24-a first guide rail pair and 25-a clamp; 26-big sliding plate, 27-left milling head, 2701-milling head limiting rod, 2702-milling head frame, 2703-X shaft ball screw pair, 2704-saw blade milling cutter, 2705-first limiting block, 2706-X shaft sliding plate, 2707-spindle motor, 2708-second limiting block, 2709-horizontal limiting block, 2710-milling head rotary cylinder support, 2711-milling head rotary cylinder, 2712-Z shaft servo motor, 2713-Z shaft servo motor base, 2714-Z shaft coupler, 2715-Z shaft ball screw pair, 2716-Z shaft guide rail pair, 2717-X shaft guide rail pair, 2718-X shaft servo motor, 2719-milling head limiting plate, 2720-X shaft coupler, 2721-Y shaft sliding plate, 2722-Z shaft sliding plate, 2723-milling head pressing plate, 2724-milling head rotary support, 2725-a milling head rotating shaft, 2726-a milling head gland, 2727-a spindle motor connecting plate and 2728-a milling head pin shaft;

28-rotary pressing device, 2801-pressing rotary cylinder, 2802-pressing rotary cylinder hinged support, 2803-pressing rotary cylinder hinged shaft, 2804-lug seat, 2805-rotating plate, 2806-pressing rotating shaft, 2807-pressing connecting plate, 2808-bottom plate, 2809-vertical cylinder, 2810-vertical cylinder mounting seat, 2811-fixing plate, 2812-horizontal cylinder, 2813-guide shaft, 2814-guide seat, 2815-linear bearing, 2816-working table plate, 2817-push rod, 2818-end cover, 2819-90-degree positioning plate, 2820-pressing plate, 2821-vertical backup plate, 2822-pressing cylinder, 2823-pressing cylinder pressing plate, 2824-first vertical plate, 2825-second vertical plate and 2826-pressing rotary support;

29-rotation positioning device, 2901-side positioning plate, 2902-swing arm, 2903-positioning pressure plate, 2904-positioning backing plate, 2905-positioning rotation cylinder connecting shaft, 2906-positioning sliding plate, 2907-positioning rotation support, 2908-nut, 2909-screw rod, 2910-adjusting support, 2911-hand wheel, 2912-positioning rotation cylinder, 2913-positioning rotation cylinder mounting seat, 2914-positioning rotation shaft, 2915-positioning end cover and 2916-limiting shaft;

30-a feeding cylinder, 31-a feeding cylinder mounting seat, 32-a feeding cylinder connecting shaft, 33-a damping cylinder, 34-a damping cylinder mounting seat, 35-a damping cylinder connecting shaft, 36-a second guide rail pair, 37-a first limiting rod, 38-a first limiting seat, 39-a buffer shaft, 40-a machine head drag chain support, 41-a machine head drag chain box, 42-a wiring pipe, 43-a first electromagnetic valve box and 44-a second electromagnetic valve box.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to fig. 1-18. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The double-head numerical control end face milling machine for the aluminum alloy section shown in the figures 1-4 mainly comprises a frame 7, a right machine head 4, a left machine head 11, a right dragging device 6, a left dragging device 12, a right supporting device 5, a left supporting device 9, a right pushing device 17 and a left pushing device 14, wherein the frame 7 is formed by welding rectangular tubes of high-quality carbon structural steel and is subjected to pickling phosphorization and artificial aging treatment, the machine frame has high strength and high stability, the length of the frame 7 is distributed along the left and right directions, guide rails transversely distributed along the left and right directions are arranged on the frame 7, the right machine head 4 and the left machine head 11 are connected with the left and right ends of the frame 7 in a left and right sliding mode through a first guide rail pair 24, machine head covers 13 are arranged on the right machine head 4 and the left machine head 11, in addition, an electric cabinet 1 is also arranged at the right end of the frame 7, an operation box 2 is arranged on the electric cabinet 1, a position adjusting device is also arranged between the right machine head 4 and the frame 7 and mainly comprises an adjusting cylinder 19, a hinged shaft 18 and an adjusting cylinder mounting seat 20, one end of a piston rod of the adjusting cylinder 19 is hinged with the lower end of the right machine head 4 through the hinged shaft 18, one end of a cylinder body is fixedly connected with the frame 7 through the adjusting cylinder mounting seat 20, the right machine head 4 can move left and right for a certain distance along a first guide rail pair 24 under the driving of the adjusting cylinder 20, the left machine head 11 is driven through a gear rack mechanism, concretely, the gear rack driving structure comprises a rack 21, a transmission gear 22 and a first servo motor 23, the first servo motor 23 is fixedly connected below the left machine head 11, the rack 21 is fixed at the front end of the frame 7 and the length is distributed along the length direction of the frame 7, a power output shaft of the first servo motor 23 is connected with the transmission gear 22, and, the right machine head is driven to slide left and right along the first guide rail pair 24 through the first servo motor 23, so that the right and left parts can be conveniently moved according to the length of the section to be milled, and a clamp 25 is arranged between the right machine head 4 and the rack 7 and between the left machine head 11 and the rack 7 for emergency braking, so that the section can be conveniently locked.

The right machine head 4 and the left machine head 11 have the same structure, and are distributed along the center line of the rack 7 in a bilateral symmetry manner, the specific structure is described below by taking the left machine head 11 as an example, and the left machine head 11 mainly comprises a large sliding plate 26, a left milling head 27 connected above the large sliding plate 26 in a left-right sliding manner through a second guide rail pair 36, a feeding device connected between the left milling head 27 and the large sliding plate 26, a buffer device, a rotary positioning device 29 and a rotary pressing device 28 for positioning and pressing a middle support, the guide rails of the second guide rail pair 36 are distributed above the large sliding plate 26 in the front-back direction, and the sliding blocks of the second guide rail pair 26 are fixedly connected with the lower end of the left milling head 27; the feeding device consists of a feeding cylinder 30, a feeding cylinder mounting seat 31 and a feeding cylinder connecting shaft 32, wherein the cylinder body of the feeding cylinder 30 is fixedly connected with the left milling head 27 through the feeding cylinder mounting seat 31, one end of the piston rod of the feeding cylinder 30 is fixedly connected with the large sliding plate 26 through the feeding cylinder connecting shaft 32, the piston rods of the feeding cylinder 30 are distributed along the front-back direction, the feeding cylinder connecting shaft 32 is distributed vertical to the large sliding plate 26, the upper end of the feeding cylinder connecting shaft 32 is fixed with the piston rod of the feeding cylinder 30, and the lower end of the feeding cylinder connecting shaft is fixed with the upper end; the damping device comprises a damping cylinder 33, a damping cylinder mounting seat 34 and a damping cylinder connecting shaft 35, the damping cylinder 33 is fixedly connected to the milling head support 2702 of the left milling head 27 through the mounting seat, one end of the piston rod of the damping cylinder 33 is distributed in the front-back direction and the front end is fixedly connected with the large sliding plate 26 through the damping cylinder connecting shaft 35, the damping cylinder connecting shaft 35 is vertically and fixedly connected above the large sliding plate, the upper end is fixedly connected with the piston rod of the damping cylinder 33, the large sliding plate 26 is further provided with a limiting device positioned in front of the left machine head 11, the limiting device comprises a limiting seat 38 fixedly connected in front of the left machine head 11 above the large sliding plate 26, a first limiting rod 37 and a damping shaft 39, the first limiting rod is fixedly connected to the limiting seat 38 and positioned between the limiting seat 38 and the left machine head 11, the damping shaft 39 is connected to the upper part of the limiting seat 38 in a left-, and in a non-contact state, the distance between the buffer shaft 39 and the left milling head 27 in the front-rear direction is smaller than the distance between the first limit rod 37 and the left milling head 27, and in addition, a first electromagnetic valve box 43 and a second electromagnetic valve box 44 are fixedly connected to the milling heads of the right head 4 and the left head 11.

The left milling head 27 is mainly composed of a milling head bracket 2702, a Z-axis guide rail pair 2716, an X-axis guide rail pair 2717, an X-axis sliding plate 2706, a Y-axis sliding plate 2721 and a saw blade milling cutter 2704 which is arranged on the X-axis sliding plate 2706 and can rotate 90 degrees, wherein the Y-axis sliding plate 2721 is fixedly connected to the lower end of the milling head frame 2702, the Y-axis sliding plate 2721 is slidably connected to the upper portion of the large sliding plate 26 along the front-back direction of the frame 7 through a second guide rail pair 36, the milling head frame 2702 is fixedly connected with a Z-axis guide rail pair 2716 which is distributed in the vertical direction, the Z-axis sliding plate 2722 is vertically slidably connected to the front end of the Z-axis guide rail pair 2716 through a Z-axis servo motor 2722 and a Z-axis ball screw pair 2715, a milling head limiting rod 2701 is further arranged on the Y-axis sliding plate 2721 which is arranged right below the Z-axis guide rail pair 2716 and used for limiting the displacement of the milling head, the X-axis sliding plate 2706 is fixedly connected with a sliding block of the X-axis guide rail pair 2716, and is driven by an X-axis servo motor 2718 and an X-axis coupler 2720 to be connected to a Z-axis sliding plate 2722 in a left-right sliding manner, the inner side of the X-axis sliding plate 2706 (the right side of the right handpiece 4 and the left side of the left handpiece 11) is also fixedly connected with a milling head rotary support 2724, a milling head rotary shaft 2725 is coaxially and rotatably connected inside the milling head rotary support 2724 through a bearing, the axial line of the milling head rotary shaft 2725 is distributed along the plane vertical to the X-axis sliding plate 2706, one end of the milling head rotary shaft 2725 far away from the X-axis sliding plate 2706 is fixedly connected with the side surface of a spindle motor 2707 through a spindle motor connecting plate 2727, the spindle motor connecting plate 2727 is distributed in parallel to the front end of the X-axis sliding plate 2706, the power output shaft of the spindle motor 2707 is distributed downwards, the lower end of the power output, the milling head rotary cylinder 2711 is a cylinder with a middle lug seat, is hinged with a milling head rotary cylinder support 2710 and can rotate around holes on an X-axis sliding plate 2706 and the milling head rotary cylinder support 2710, one end of a spindle motor connecting plate 2727 far away from the milling head rotary support 2724 is fixedly connected with a milling head pin 2728, the milling head pin 2728 is distributed perpendicular to a spindle motor connecting plate 2727, piston rods of the milling head rotary cylinder 2711 are distributed downwards, the lower end of the piston rods is hinged with the milling head pin 2728 through a fisheye joint, a certain gap is arranged between the spindle motor connecting plate 2727 and the X-axis sliding plate 2706 to avoid interference, in addition, a first limiting block 2705 and a second limiting block 2708 are respectively arranged on the spindle motor connecting plate 2727 and the X-axis sliding plate 2076, the two limiting blocks are positioned behind the spindle motor 2707 and are adjustably fixed on the spindle motor connecting plate 2707 and the X-axis sliding plate 2706 through bolt threads to limit the rotation angle of the spindle motor 270, when the thickness of the middle end surface of the profile exceeds the thickness of the saw teeth of the saw blade milling cutter 2704 and the saw blade milling cutter 2704 needs to be vertically processed, the piston rod of the milling head rotating cylinder 2711 extends out, all the parts fixedly connected to the spindle motor connecting plate 2727 rotate 90 degrees around the milling head rotating shaft 2725, and at the moment, the saw blade milling cutter 2704 is distributed along the direction vertical to the profile.

The rotary pressing device 28 is fixed above the inner side of a large sliding plate 26 of the machine head, and the structure of the rotary pressing device is shown in fig. 10-12, and mainly comprises a fixed part and a rotating part, the fixed part is fixedly connected to the large sliding plate 26, the fixed part comprises a bottom plate 2808, a first vertical plate 2824, a second vertical plate 2825, a working table plate 2816, a pressing horizontal cylinder 2812, a pressing vertical cylinder 2809 and a push rod 2817, the bottom plate 2808 is fixedly connected above the large sliding plate 26, the first vertical plate 2824 and the second vertical plate 2825 are vertically and fixedly connected above the bottom plate 2808 and are distributed in parallel, a gap is arranged between the first vertical plate 2824 and the second vertical plate 2825, the working table plate 2816 which is distributed in parallel with the bottom plate 2808 is fixedly connected above the working table plate 2816, the working table plate 2816 is provided with long through holes which are vertically penetrated and distributed along the front and back direction of the machine frame 7, a fixing plate 2811 which is, the cylinder body of a pressing horizontal cylinder 2812 is fixedly connected with a fixing plate 2811, the axis of a piston rod of the pressing horizontal cylinder 2812 is distributed along the front-back direction of a frame 7, one end of a piston rod of the pressing horizontal cylinder 2812 positioned behind the fixing plate 2811 is fixedly connected with a guide seat 2814, the fixing plate 2811 is also provided with a horizontal guiding device, the horizontal guiding device consists of a linear bearing 2815 fixedly connected with the fixing plate 2811 and a guide shaft 2813 coaxially connected in the linear bearing 2815, the axis of the linear bearing 2815 is distributed along the direction parallel to the axis of the pressing horizontal cylinder 2812, the guide shaft 2813 is fixedly connected with the guide seat 2814 after passing through the linear bearing 2815 and the fixing plate 2811, the guide seat 2814 is fixedly connected with a pressing vertical cylinder 2809, the pressing vertical cylinder 2809 is positioned between a first vertical plate 2824 and a second vertical plate 2825, the axis is distributed along the vertical direction, one end of the piston rod faces upwards, the cylinder body part of the pressing vertical cylinder 2809 is, a push rod 2817 is coaxially and fixedly connected above a piston rod of the pressing vertical cylinder 2809, the piston rod of the pressing vertical cylinder 2809 and the push rod 2817 are vertically and slidably connected into a through hole of the guide seat 2814, the push rod 2817 can vertically slide in a long through hole of the working table plate 2816 under the driving of the pressing vertical cylinder 2809, and the push rod 2817 can move back and forth in the long through hole of the working table plate 2816 under the driving of the pressing horizontal cylinder 2812 and the guiding action of the guiding device; the rotating part is hinged behind the fixed part and can rotate 90 degrees to the upper part of the front side around the rear end of the fixed part, the device mainly comprises a rotating plate 2805, a pressing cylinder 2822 fixedly connected above the rotating plate 2805 and distributed from back to front in sequence, a vertical backup plate 2821, a pressing connecting plate 2807 and a pressing rotary cylinder 2801 connected below the rotating plate, the cylinder body part of the pressing cylinder 2822 is fixedly connected above the rotating plate 2805 through a connecting piece, the axis of the pressing cylinder 2822 is distributed along the front and back directions of the rack 7 in a non-rotating state, one end of a piston rod is distributed close to the fixed part, the end part of the piston rod is fixedly connected with a pressing plate 2820, the pressing plate 2820 is also provided with rubber, one end of the piston rod of the pressing rotary cylinder 2801 is hinged below the rotating plate 2805 through a hinge shaft 2803 and an ear seat 2804 of the pressing rotary cylinder 2801 is fixedly, the compressing rotary cylinder 2801 has a piston rod axis distributed in the front-back direction and at an angle to the horizontal plane, the rotating plate 2805 is rotatably connected with the first vertical plate 2824 and the second vertical plate 2825 by a hinge device, the hinge device is shown in fig. 11 and 12, and comprises a compressing connecting plate 2807, a compressing rotary shaft 2806 and a compressing rotary support 2826, the compressing connecting plate 2807 is fixedly connected above one end of the rotating plate 2805 close to the bottom plate 28008, the compressing rotary support 2826 is fixedly connected between the first vertical plate 2824 and the second vertical plate 2825 close to one end of the rotating plate 2805, the axis of the compressing rotary shaft 2806 is distributed in the left-right direction of the frame 7 and rotatably connected in the compressing rotary support 2826 by a bearing and two end covers 2818, the front end of the compressing connecting plate 2807 is fixedly connected with the compressing rotary shaft 2806, the rotating plate 2805 can rotate clockwise by 90 degrees around the bottom plate 8 and the left end of the working table 2816 under the, in addition, a 90-degree limiting plate 2819 is fixedly connected between the first vertical plate 2824 and the second vertical plate 2825 at the rear end, a limiting bolt is fixedly connected at the rear end of the 90-degree limiting plate 2819, the limiting bolt is screwed inside the 90-degree limiting plate 2819, the axis is distributed along the front-back direction, the limiting bolt extends out of the rear end of the 90-degree limiting plate 2819 for a certain length, when the rotating plate 2805 rotates to 90 degrees, the rear end of the limiting bolt contacts with the upper end face of the pressing connecting plate 2807 so as to limit the rotating angle of the rotating plate 2805 and the vertical backup plate 2821, after the rotating part rotates, the vertical backup plate 2821 is distributed perpendicular to the working bedplate 2816, when the section bar is placed above the working bedplate 2816, the pressing rotary cylinder 2801, the vertical cylinder 2809, the pressing horizontal cylinder 2812 and the pressing cylinder 2822 are all in a retracting state, at this time, the pressing rotary cylinder 2801 acts to drive the rotating plate 5 to rotate 90 degrees to the front right above, at the moment, the vertical backup plates 2821 are perpendicular to the working table plate 2816 and distributed, the pressing vertical air cylinder 2809 drives the push rod 2817 to ascend and extend out of a certain length above the long through hole, the pressing horizontal air cylinder 2812 drives the pressing vertical air cylinder 2809 and the push rod 2817 to move along the long through hole until the section is pressed between the vertical backup plates 2821 and the push rod 2817, the push rod 2817 and the vertical backup plates 2821 press the front end face and the rear end face of the section, the pressing air cylinder 2822 acts to drive the pressing plate 2820 to move downwards to press the section in the vertical direction, after the section is processed by the machine head, each air cylinder resets, and the section is conveyed to the next station by the conveying device.

The structure of the rotation positioning device 29 is shown in fig. 13-14, which comprises a positioning rotation support 2907, a swing arm 2902, a side positioning plate 2901, a positioning rotation cylinder 2912 and an adjusting device, wherein the swing arm 2902 is rotatably connected to the upper part of the positioning rotation support 2907 through a positioning rotation shaft 2914 and two positioning end covers, the side positioning plate 2901 is fixedly connected to one end of the swing arm 2902 far away from the positioning rotation shaft 2914, in addition, the positioning rotation support 2907 is also fixedly connected with a positioning rotation cylinder support 2913 positioned below the positioning rotation shaft 2914, the positioning rotation cylinder 2912 is a cylinder with a middle lug, the positioning rotation cylinder 2912 is fixedly connected into the positioning rotation cylinder support 2913 through the middle lug, one end of a piston rod of the positioning rotation cylinder 2912 is hinged with the swing arm 2902 through a fisheye joint with the rotation shaft positioning 2914, the axial line of the positioning rotation cylinder 2912 forms a certain included angle with the horizontal plane, in addition, a limit shaft 2916 positioned above the front, a positioning rotary cylinder 2912 drives the swing arm 2902 to rotate around a positioning rotary shaft 2914 within a 90-degree range, wherein a limit shaft 2916 is used for limiting the limit position of the swing arm 2902 when rotating upwards, the limit position of the swing arm 2902 below which can swing is determined by the stroke of the positioning rotary cylinder 2912, a positioning sliding plate 2906 is further fixedly connected below the positioning rotary support 2907, the positioning sliding plate 2906 is slidably connected in the front and back direction in a track, the track is composed of two positioning base plates 2904 and two positioning pressing plates 2905, the two positioning base plates 2904 are positioned on the front side and the back side of the positioning sliding plate 2906 and fixedly connected with a large sliding plate 26 of the machine head, the two positioning pressing plates 2903 are detachably connected above the positioning base plate 2904 and the positioning sliding plate 2906 through bolts and used for fixing the left and right direction positions of the positioning sliding plate 2906 and the positioning rotary support 2907, in addition, an adjusting device for adjusting the front and back position of the positioning rotary support 2907 is connected on the inner side of the, the adjusting device comprises an adjusting support 2910, a screw 2909, a screw 2908 and a hand wheel 2911, wherein the adjusting support 2910 is fixedly connected above a large sliding plate 26, the screw 2908 is fixedly connected with the front end of a positioning rotary support 2907, the axis of the screw 2909 is distributed along the left and right directions of a rack 7, the right end is rotatably connected with the adjusting support 2910 through a bearing, the left end is coaxially and spirally connected with the screw 2908, the right end of the screw 2909 is provided with a hand wheel 2911 for convenient rotation, when the left and right directions of the rotary positioning device 29 on the large sliding plate 26 need to be adjusted according to the length of a section bar, the hand wheel 2910 is firstly rotated to drive the positioning rotary support 2907 to move left and right, after the positioning, the positioning pressure plate 2903 is placed above the positioning base plate 2904 and the positioning base plate 2906, the positioning pressure plate 2906 is pressed and positioned while the positioning pressure 2903 and the positioning base plate 2904 are fixed by bolts, and the device positions the, the position of the lateral positioning plate 2901 in the left and right directions can be adjusted through the adjusting device, and the structure of the swing arm 2902 can reduce the stroke of the front and rear feeding device of the machine head, so that the cutting efficiency is improved.

The left material dragging device 12 and the right material dragging device 5 have the same structure, and are symmetrically distributed in the left and right directions along the center line of the rack 7, the left material dragging device 12 is described below with reference to fig. 17, the left material dragging device 12 mainly comprises a material dragging support 1201, a material dragging vertical cylinder 1202, a material dragging sliding plate 1210, a material dragging horizontal cylinder 1213, a material dragging positioning plate 1241 and a handle 1216, the material dragging support 1201 is fixedly connected above a large sliding plate 26 of the left machine head 11, the cylinder body part of the material dragging vertical cylinder 1202 is fixedly connected to the inner side of the material dragging support 1201 through a material dragging vertical cylinder support 1203, the piston rod of the material dragging vertical cylinder 1202 is vertically and upwardly distributed, the material dragging sliding plate 1210 is further arranged on the inner side surface of the upper part of the material dragging support 1201, the material dragging sliding plate 1210 is vertically and slidably connected to the upper part of the material dragging support 1201 through a material dragging vertical guide rail pair 1204 connected between the material dragging sliding plate 1210 and the material dragging support 1201, one end of the piston rod of the material dragging vertical cylinder The inner side surface of the dragging sliding plate 1210 is also provided with a dragging horizontal guide rail pair 1212 distributed in the front-back direction, the axis of the dragging horizontal cylinder 1213 is distributed in the front-back direction, the cylinder body part of the dragging horizontal cylinder 1213 is fixedly connected with the dragging sliding plate 1210 through a dragging horizontal cylinder support 1211, one end of a piston rod is hinged with a dragging horizontal guide rail connecting plate 1207 through a dragging second fisheye joint 1209 and a dragging second hinge shaft 1208, the dragging horizontal guide rail connecting plate 1207 is fixedly connected with the front end of the guide rail of the dragging horizontal guide rail pair 1212, the sliding block part of the dragging horizontal guide rail pair 1212 is fixedly connected with the inner side surface of the dragging sliding plate 1210, in addition, the rear end of the guide rail of the dragging horizontal guide rail pair 1212 is also fixedly connected with a dragging pull plate 1215, the lower end of the dragging pull plate 1212 is fixedly connected with a handle 1216, and the dragging sliding plate 1210 is also fixedly connected with a dragging positioning plate 1214 positioned in front of the dragging pull plate 1215, the handle 1216 can slide from top to bottom under the drive of the vertical cylinder 1202 of the material dragging, can move in the front-back direction under the drive of the horizontal cylinder 1213 of the material dragging, the material dragging positioning plate 1214 can play a positioning role for the section bar, the grabbed section bar can be fixed between the handle 1216 and the material dragging positioning plate 1214, the section bar dragged to the conveyor belt 916 is ensured to be vertical to the synchronous belt 916, the accurate positioning of the section bar is ensured, when the device is at the original position, the piston rod of the vertical cylinder 1202 of the material dragging is in the extending state, the cylinder rod of the horizontal cylinder 1213 of the material dragging is in the contracting state, the distance between the material dragging positioning plate 1214 and the handle 1216 is the largest at the.

The left material supporting device 9 and the right material supporting device 6 have the same structure and are symmetrically distributed, the left material supporting device 9 is taken as an example for detailed description, the structure of the left material supporting device 9 is shown in fig. 15-16, and comprises two material supporting bases 901, a material supporting connecting plate 902, a supporting frame 907, a driving wheel 908, a driven wheel 911 and a conveyor belt 916, the material supporting connecting plate 902 is connected to the material supporting bases 901 in a vertical sliding manner through a material supporting vertical cylinder 903 and a material supporting guide rail pair 906, specifically, the two material supporting bases 901 are respectively fixed at the front side and the rear side of the inner side of the left handpiece 11, a sliding block of the material supporting guide rail pair 906 is fixedly connected to the material supporting bases 901, a guide rail connecting block 905 is fixedly connected to a guide rail part, the material supporting connecting plate 902 is fixedly connected to the guide rail connecting block, the material supporting vertical cylinder 903 part is fixedly connected to the material supporting bases 901 through a material supporting, one end of a piston rod of a material supporting vertical cylinder 903 is connected with a guide rail connecting block 905 through a floating joint 904, the material supporting vertical cylinder 903 can drive the material supporting connecting plates 902 to slide up and down, the inner sides of the two material supporting connecting plates 902 are fixedly connected with supporting frames 907 which are distributed along the front and back direction and are vertical to the horizontal plane, the front and back ends of each supporting frame 907 are respectively fixedly connected with a driving wheel connecting plate 909 and a driven wheel connecting plate 912, the axes of the driving wheel 908 and the driven wheel 911 are distributed along the left and right direction and are respectively connected with the inner sides of the driving wheel connecting plate 909 and the driven wheel connecting plate 912 in a rotating manner along the front and back directions of the axes, a transmission belt 916 is arranged between the driving wheel 908 and the driven wheel 911, the supporting frames 907 are also positioned in the transmission belt 916, adjusting block 913 is connected on the rear end face of driven wheel connecting plate 912 through bolt fixed connection, be provided with a plurality of groups of mounting hole in the fore-and-aft direction of support frame 903, it distributes to run through support frame 903 about the mounting hole axis, be provided with the screw hole that is used for linking to each other with the mounting hole on support frame 907 on adjusting block 913, through the position of adjusting block 913 in the fore-and-aft direction of support frame 907, can adjust the conveyer belt 916 elasticity, the up end of action wheel connecting plate 909 and driven wheel connecting plate 912 flushes with the conveyer belt 916 up end, all fixedly connected with holds in the palm material backing plate 914 on the up end of the two, can prevent that conveyer belt 916 from breaking away from, this device can transport the section bar of treating that is located the conveyer belt 916 top to aircraft nose processing station, and the section.

The right pushing device 17 and the left pushing device 14 have the same structure and are symmetrically distributed along the center line of the rack 7, as shown in fig. 18, the pushing device mainly comprises a pushing support 1401, a pushing vertical cylinder 1402, a pushing sliding plate 1410, a pushing horizontal cylinder 1408 and a pushing plate 1406, wherein the pushing support 1401 is fixedly connected to the front part above the large sliding plate 26 of the left handpiece 11, the cylinder body part of the pushing vertical cylinder 1402 is fixedly connected with the pushing support 1401 through a pushing vertical cylinder support 1403, the pushing vertical cylinder 1402 is vertically and upwardly distributed along the axis of the piston rod, a pushing vertical guide rail pair 1404 is further arranged on the pushing support and positioned above the pushing vertical cylinder 1402, the sliding block of the pushing vertical guide rail pair 1404 is fixedly connected to the upper part of the pushing support 1401, the guide rail part can slide up and down, the pushing sliding plate 1410 is fixedly connected to the inner side surface of the guide rail of the pushing vertical guide rail pair 1404, and the upper, The pushing second hinging shaft 1415 is hinged with the pushing sliding plate 1410, the inner side surface of the pushing sliding plate 1410 is fixedly connected with the cylinder body part of the pushing horizontal cylinder 1408 through a pushing horizontal cylinder support 1409, the pushing sliding plate 1410 is also fixedly connected with a pushing horizontal guide rail pair 1405, concretely, the slide block part of the pushing horizontal guide rail pair 1405 is fixedly connected with the inner side surface of the pushing sliding plate 1410, the guide rails are connected with the slide block distribution in a front-back direction in a sliding way, the front end of the guide rail of the pushing horizontal guide rail pair 1405 is fixedly connected with a push plate connecting plate 1407, the front end of the lower part of the push plate 1407 is fixedly connected with a push plate 1406 positioned below the guide rail, the rear end of the guide rail of the pushing horizontal guide rail pair 1405 is fixedly connected with a pushing horizontal cylinder connecting plate 1414, the rear end of a piston rod of the pushing horizontal cylinder 1408 is hinged with the, the pushing horizontal cylinder 1408 drives the pushing plate 1406 to move forward and backward, so that the machined section bar is pushed to the next process.

In addition, two material blocking plates 10 are arranged on the right machine head 4 and the left machine head 11, the two material blocking plates 10 are fixedly connected to supports of the material dragging device and the material pushing device respectively, the lengths of the material blocking plates 10 are distributed along the front and back directions, the material blocking plates 10 are located on the outer sides of the material dragging device in the left and right directions of the rack 7, and the material blocking plates 10 are located above the material supporting device in the height direction and are mainly used for preventing the section bars on the material supporting device from deviating in the transportation process.

The utility model discloses an end face mills theory of operation as follows:

firstly, according to the length of the section bar, a first servomotor 23 is started to drive a left machine head 11 to move to a corresponding position on a machine frame 7, so that the relative position between the left machine head 11 and a right machine head 4 is suitable for the length of the section bar, a conveying device of a previous process sends a middle support 8 of an end face to be milled to a left material dragging device 12 and a right material dragging device 5, after the section bar is in place, the left material dragging device 9 and the right material dragging device 6 lift the section bar under the action of a material dragging vertical cylinder 903, at the moment, the upper plane of a synchronous belt 916 is higher than the upper plane of a working table plate 2816 in a rotary pressing device 28, the material dragging vertical cylinders 1202 in the left material dragging device 12 and the right material dragging device 5 are in a stretching-out position, a material dragging horizontal cylinder 1213 is in a retracting position, then the material dragging vertical cylinder 1202 retracts, the material dragging horizontal cylinder 1213 extends, namely, a handle 1216 moves downwards and moves backwards, a pull 1216 drags the section bar to move towards a drags positioning plate 1214 and clamps the, then the material dragging horizontal cylinder 1213 retracts, the material dragging vertical cylinder 1202 extends out, namely the section bar is loosened, then the left material dragging device 12 and the right material dragging device 5 move upwards for a certain distance to avoid interference with the section bar, and the right material supporting device 6 and the left material supporting device 9 send the middle support 8 of the end face to be milled to the position to be processed of the machine head through the second servo motor 910 and the conveyor belt 916; after the section bar is in place, a positioning rotary cylinder 2912 in a rotary positioning device 29 in a right machine head 4 and a left machine head 11 acts to enable a swing arm 2902 in the rotary positioning device 29 to be in a horizontal position and side positioning plates 2901 to be in a vertical position, the inner side surfaces of the side positioning plates 2901 are parallel to the left end surface and the right end surface of the section bar at the moment, meanwhile, a pressing rotary cylinder 2801 in a rotary pressing device 28 of the right machine head 4 and the left machine head 11 acts to drive rotating plates 2805 to be distributed perpendicular to a working table plate 2816, after a vertical backup plate 2821 is in place, an adjusting cylinder 19 on the right machine head 4 acts to drive the right machine head 4 to move towards the left side, so that the section bar is clamped between the two side positioning plates 2901 of the two machine heads, the left end surface and the right end surface of the section bar are positioned, after the section bar is pressed by the left machine head and the right machine head, a clamp 25 on the right machine head 4 and the left, the upper end face of the section bar is pressed tightly, a pressing vertical cylinder 2809 acts to drive a push rod 2817 to extend upwards to be above a long through hole of a working table plate 2816, a pressing horizontal cylinder 2812 acts to drive the push rod 2817 to move backwards, so that the front side face and the rear side face of the section bar are pressed tightly through the push rod 2817 and a vertical backup plate 2821, after pressing, a side positioning plate 2901 and all parts in a rotary positioning device 29 return to original positions, a spindle motor 2707 in a right machine head 4 and a left machine head 11 is started to drive a saw blade milling cutter 2704 to rotate, meanwhile, a Z-axis servo motor 2712 and an X-axis servo motor 2718 are started, a feeding cylinder 30 in the machine head acts, and milling processing of the end face of the section bar is finished according to.

After the section is machined, the saw blade milling cutter 2704, the feeding cylinder 30 and other components return to the original positions, the pressing cylinder 2822, the pressing vertical cylinder 2809, the pressing horizontal cylinder 2812 and the pressing rotary cylinder 2801 in the rotary pressing device 28 all return to the original positions, the rotary pressing device 28 releases the pressing of the section, then the right material supporting device 6 and the left material supporting device 9 on the right machine head 4 and the left machine head 11 are integrally lifted upwards, the section is conveyed to the right material pushing device 17 and the left material pushing device 14 by the conveyor belt 916, the material pushing vertical cylinders 1403 in the right material pushing device 17 and the left material pushing device 14 move, after the section is lifted, the material dragging horizontal cylinder moves to push the machined section to the next station 1408, the machining of the end face of the formed section is finished, finally, the clamp devices 25 of the two machine heads are released, and the adjusting cylinder 19 moves to drive the right machine head 4 to return. Repeating the above steps to process the next section.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements can be made, and these improvements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an aluminum alloy ex-trusions double-end numerical control end face mills which characterized in that mainly includes:

the guide rails are distributed along the length direction above the rack;

2. The aluminum alloy profile double-end numerical control end mill according to claim 1, wherein the machine head further comprises a feeding device for driving the milling head to move left and right, a buffering device and a limiting device, the buffering device and the limiting device are connected between the milling head and the large sliding plate, the feeding device comprises a feeding cylinder and a feeding cylinder mounting seat, the axis of a piston rod of the feeding cylinder is distributed along the front and back direction of the frame, a cylinder body of the feeding cylinder is fixedly connected with the milling head through the feeding cylinder mounting seat, and one end of the piston rod is fixedly connected above the large sliding plate; the damping device comprises a damping cylinder and a damping cylinder mounting seat, the axis of a piston rod of the damping cylinder is distributed along the front and back directions of the frame, the cylinder body of the damping cylinder is fixedly connected with the milling head through the damping cylinder mounting seat, and one end of the piston rod is fixedly connected with the sliding plate through a damping connecting shaft; stop device fixed connection is in big slide top and be located the cutter head inboard, mainly comprises spacing mount pad, first gag lever post and buffering axle, first gag lever post fixed connection is in spacing mount pad, and sliding connection is in spacing mount pad around the buffering axle, and gag lever post and buffering axle all are located between cutter head and the spacing mount pad and along frame fore-and-aft direction distribution, be connected with buffer spring between buffering axle and the spacing mount pad.

3. The double-ended numerical control end mill of the aluminum alloy sections according to claim 1, wherein the rotary positioning device is composed of a positioning rotary support, a swing arm rotatably connected to the upper portion of the positioning rotary support, a side positioning plate fixedly connected to the swing arm, and a positioning rotary cylinder located below a hinge point of the swing arm and the positioning rotary support, wherein a cylinder body of the positioning rotary cylinder is fixedly connected to the positioning rotary support, one end of a piston rod is hinged to the swing arm, and an axis of the piston rod is distributed along a front-back direction of the frame and inclines upward from a front end, a limiting shaft for limiting a rotation angle of the swing arm is arranged at the front end of the rotary support located above the hinge point of the swing arm and the positioning rotary support, a sliding plate is fixedly connected to the lower portion of the positioning rotary support, positioning base plates fixedly connected to the upper portion of the large sliding plate are arranged on the left and.

4. The aluminum alloy profile double-end numerical control end mill according to claim 3, wherein the rotary support is further connected with an adjusting device for driving the positioning rotary support to slide along the left and right directions of the rack, the adjusting device is composed of a lead screw, a nut, a hand wheel and an adjusting support, the adjusting support is fixedly connected above the large sliding plate, the lead screw penetrates through the adjusting support along the left and right directions of the rack and is connected with the adjusting support in a rotating mode through a bearing, the positioning rotary support is connected with one end of the lead screw through the nut, and one end of the lead screw, which is close to the adjusting support, is fixedly connected with the hand wheel.

5. The aluminum alloy profile double-ended numerical control end mill according to claim 1, the rotary pressing device mainly comprises a fixed part and a rotating part which rotates around the fixed part for a certain angle, the fixed part consists of a bottom plate, a first vertical plate and a second vertical plate which are fixedly connected above the bottom plate, a working table plate which is fixedly connected above the two vertical plates, a push rod, a pressing horizontal cylinder for driving the push rod to move back and forth and a pressing vertical cylinder for driving the push rod to move up and down, the working table plate is provided with strip through holes with the lengths distributed along the front and back directions of the machine tool, the compaction vertical cylinder piston rod is vertically distributed upwards and is fixedly connected with the push rod, the compression horizontal cylinder is fixedly connected below the working table plate, the axis is distributed along the length direction of the strip hole, and one end of the piston rod is fixedly connected with the compression vertical cylinder body through the guide seat; the rotating portion comprises a rotating plate located behind a bottom plate, a compressing rotary cylinder located below the rotating plate and used for driving the rotating plate to rotate 90 degrees to the upper front side along the rear end of the bottom plate, a compressing cylinder fixedly connected above the rotating plate and a vertical backup plate, one end of a piston rod of the compressing cylinder is fixedly connected with a compressing plate used for compressing a section, the compressing plate is perpendicular to the rotating plate and distributed, the compressing plate is parallel to a working table plate and distributed in a section compressing state, the vertical backup plate is perpendicular to the working table plate, and in addition, a 90-degree limiting plate used for limiting the rotating plate to rotate 90 degrees is fixedly connected between a first vertical plate and a second vertical plate and close to one end of the vertical backup plate.

6. The aluminum alloy profile double-end numerical control end mill as claimed in claim 1, wherein the left machine head and the right machine head are connected with the frame in a left-right sliding manner, a limiting cylinder and a hinge shaft are arranged between the right machine head and the frame, the cylinder body of the limiting cylinder is fixedly connected with the frame, the movable end of the limiting cylinder is connected with one end of the hinge shaft, the other end of the hinge shaft is fixedly connected with the left machine head, and the axial directions of piston rods of the limiting cylinders are distributed along the left-right direction; the left machine head is fixedly connected with a first servo motor below, a transmission gear is fixedly connected with an output shaft of the first servo motor, a rack is fixedly connected with the rack along the length direction, the transmission gear is meshed with the rack and is connected with the right machine head, the right machine head is driven by the first servo motor to move along the left and right directions of the rack, and clamping devices are connected between the left machine head and the rack support.

7. The double-ended numerical control end mill of the aluminum alloy sections as claimed in claim 1, wherein the left material dragging device and the right material dragging device are identical in structure and each consist of a material dragging support, a material dragging sliding plate, a material dragging vertical cylinder, a material dragging horizontal cylinder and a handle, the material dragging sliding plate is vertically and slidably connected to the inner side of the upper portion of the material dragging support through the material dragging vertical cylinder, the handle is fixedly connected with a material dragging pull plate, the material dragging pull plate is slidably connected to the rear portion of the material dragging sliding plate in the front-rear direction through the material dragging horizontal cylinder, and a material dragging positioning plate for limiting the forward movement distance of the handle is fixedly connected to the rear end of the material dragging sliding plate.

8. The double-ended numerical control end mill of aluminum alloy sections as claimed in claim 1, wherein the left and right stock-holding devices are identical in structure and each comprise a stock-holding support base fixedly connected above the machine head, a stock-holding connecting plate, a stock-holding vertical cylinder fixedly connected to the stock-holding support base and driving the stock-holding connecting plate to slide up and down along the stock-holding support base, a support frame fixedly connected to the inner side of the stock-holding connecting plate, a driving wheel and a driven wheel fixedly connected to the front and rear ends of the support frame, and a conveyor belt connected between the driving wheel and the driven wheel, the conveyor belt is distributed on the inner side of the machine head in the front-rear direction, the support frame is positioned inside the conveyor belt and distributed in the front-rear direction along the movement direction of the conveyor belt, further, the outer sides of the front and rear, and the driving wheel is connected with a second servo motor.

9. The aluminum alloy profile double-ended numerical control end mill according to claim 8, wherein the driven wheel connecting plate is fixedly connected with the support frame through bolt threads, a plurality of groups of mounting holes are formed in the driven wheel connecting plate in the length direction, and the tension degree of the conveying belt is adjusted by adjusting the connecting position of the driven wheel connecting plate and the support frame.

10. The double-ended numerical control end mill of aluminum alloy sections according to claim 1, wherein the left pushing device and the right pushing device are identical in structure and are composed of a pushing support fixedly connected to the front of the machine head, a pushing sliding plate vertically slidably connected to the upper side of the pushing support through a pushing vertical cylinder, a pushing connecting plate slidably connected to the pushing sliding plate in the front-back direction through a pushing horizontal cylinder, and a pushing plate fixedly connected to the pushing connecting plate and used for driving the sections to move.