CN219093755U

CN219093755U - Double-sided shoulder opening machine

Info

Publication number: CN219093755U
Application number: CN202222705910.2U
Authority: CN
Inventors: 石震波
Original assignee: Ningbo Hengfeng Numerically Controlled Machine Co ltd
Current assignee: Ningbo Hengfeng Numerically Controlled Machine Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-05-30
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a double-sided shoulder opening machine. The automatic cutting machine comprises a main machine body, a workbench is arranged on the main machine body, a workpiece clamp and a portal frame are arranged on the workbench, a fixed middle pressing block matched with the workpiece clamp is arranged on the portal frame, the fixed middle pressing block is arranged above the workpiece clamp, the fixed middle pressing block and the portal frame are connected in a vertical sliding mode, a main shaft box is arranged on the left side and the right side of the workbench, the main shaft box is connected with the main machine body in a left-right sliding mode, a cutter disc and a driving structure are arranged on the main shaft box, the cutter disc is arranged on one side, opposite to the workpiece clamp, of the main shaft box, the cutter disc is arranged on the driving structure and is connected with the main shaft box in a rotating mode, and the workpiece clamp, the fixed middle pressing block and the two cutter discs are all located in the same vertical plane. The beneficial effects of the utility model are as follows: the machining precision and the machining efficiency are improved; the device has the advantages of high precision, high torque, buffering and damping, low noise, stable operation of a transmission system and equipment and the like.

Description

Double-sided shoulder opening machine

Technical Field

The utility model relates to the technical field related to machining, in particular to a double-sided shoulder opening machine.

Background

Milling machines (milling machines) are mainly machine tools that use milling cutters to machine a variety of surfaces of a workpiece. The rotary motion of the milling cutter is usually the dominant motion, and the movement of the workpiece and the milling cutter is the feed motion. Besides milling planes, grooves, gear teeth, threads and spline shafts, the milling machine can also process complex molded surfaces, has higher efficiency than a planing machine, and is widely applied to mechanical manufacturing and repair departments.

Chinese patent grant bulletin number: CN207205367U, authorized bulletin day 2018, 04 month 10, discloses a novel portable key slot milling machine, comprising a z-axis stepping motor, a connecting base, a supporting body, a z-axis track, an input interface, a hand-operated pulse generator, a fixed base plate, a motor, a control panel, a display, a connecting sleeve, a milling cutter, a workbench, a rotary table, a fixed clamp, a y feed shaft, a y-axis stepping motor, an x feed shaft, an x-axis stepping motor, a power line, a memory, a processor, a grating ruler displacement sensor, a loudspeaker and a distance sensor, wherein the bottom of the z-axis stepping motor is connected with the connecting base through bolts, the bottom of the connecting base is welded with the supporting body and the fixed base, the middle part of the end surface of the supporting body is provided with a z-axis track, the middle section of the left end surface of the supporting body is provided with the input interface, the rear end surface of the hand-operated pulse generator is connected with the supporting body, the bottom of the fixed base is connected with a fixed base plate through bolts, the rear end face of the motor is fixedly connected with the supporting body, the left end face of the control panel is connected with the motor, a display is arranged in the end face of the control panel, the top end face of the connecting sleeve barrel is welded with the motor, the top end of the milling cutter is connected with the connecting sleeve barrel, the bottom of the workbench is connected with the rotary table, the bottom end face of the fixed clamp is fixedly connected with the workbench, the rear end face of the y feed shaft is connected with the rotary table, the y feed shaft is rotationally connected with the y-axis stepping motor, the rear end face of the x feed shaft is connected with the workbench, the x-axis stepping motor is rotationally connected with the x feed shaft, the loudspeaker is arranged at the right part of the top end of the workbench, the distance sensor is arranged at the right part of the top end of the workbench, the rear end face of the power wire is connected with the fixed base, the power wire is electrically connected with the control panel, the input interface, the accumulator is electrically connected with the control panel, the hand-operated pulse generator and the distance sensor, the memory and the display grating ruler displacement sensor are electrically connected with the processor, the processor is electrically connected with the motor, the z-axis stepping motor, the y-axis stepping motor, the x-axis stepping motor and the loudspeaker, and the z-axis stepping motor, the y-axis stepping motor and the x-axis stepping motor are electrically connected with the grating ruler displacement sensor. The device has the defects that an operator needs to have higher working experience in the hand-operated operation process, and the workpiece needs to be clamped and measured for multiple times when being subjected to multi-surface machining, so that the device has long machining time, lower machining precision and machining efficiency and high manufacturing cost.

In view of the foregoing, there is a need for a double-sided shoulder cutting machine that improves machining accuracy and machining efficiency.

Disclosure of Invention

The utility model provides a double-sided shoulder opening machine capable of improving machining precision and machining efficiency, which aims to overcome the defects that an operator needs to have higher working experience in the hand-operated operation process in the prior art, and the workpiece needs to be clamped and measured for multiple times when being machined in multiple sides, and has long machining time, lower machining precision and machining efficiency and high manufacturing cost.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a two-sided shoulder machine of opening, includes the main body, be equipped with the workstation on the main body, be equipped with work piece holder and portal frame on the workstation, be equipped with on the portal frame with work piece holder assorted fixed divide in the briquetting, the top that work piece holder was arranged in to the briquetting in the fixed branch, fixed divide briquetting and portal frame from top to bottom sliding connection, the left and right sides of workstation all has the headstock, headstock and main body side sliding connection, be equipped with blade disc and drive structure on the headstock, the blade disc is arranged in the headstock just to one side of work piece holder, the blade disc is installed on drive structure and is connected with the headstock rotation, work piece holder, fixed divide in briquetting and two blade discs all are located same vertical plane, the portal frame includes stand one and stand two, stand one is installed on the workstation and is connected with its rotation, be fixed with the crossbeam on the stand one, stand two upper end and crossbeam fixed connection, be equipped with the lower extreme assorted stand cassette with stand on the workstation, be equipped with on the stand chuck, be equipped with the stand two on the stand chuck.

During processing, a workpiece is placed on a workpiece clamp, the workpiece is pressed and fixed through downward movement of a pressing block in a fixed part and is automatically split, product precision and production safety are guaranteed, and then cutterheads on spindle boxes on two sides are driven by a driving structure to rotate at a high speed and approach the workpiece, so that the workpiece is milled. The roundness and the parallelism are guaranteed through one-time clamping boring and milling, the machining precision is improved, the workpiece is simultaneously subjected to double-sided milling through cutterheads on two sides, the machining efficiency is improved, the labor intensity is reduced, the automatic feeding function of automatic reference finding is achieved, and the operation is extremely simple. The upper oil cylinder controls the up-and-down movement of the pressing block in the fixed separation, so that the workpiece and the bottom are correspondingly clamped and fixed and automatically separated, and the product precision and the production safety are ensured. When the workpiece is installed and disassembled, the portal frame is moved to one side through the rotation of the first upright post, so that the workpiece is more convenient to install and disassemble; when the workpiece is processed, the lower end of the second upright post is clamped on the upright post clamping seat, so that the whole portal frame is in a locking state, the stability of workpiece clamping is improved, and the product precision and the production safety are ensured.

Preferably, the driving structure comprises a servo motor, a transmission shaft and a cutter disc seat which are arranged on the spindle box, the transmission shaft and the cutter disc seat are both rotationally connected with the spindle box, a first transmission gear is arranged on a motor shaft of the servo motor, a second transmission gear is arranged on the transmission shaft and meshed with the first transmission gear, a first synchronous pulley is further arranged on the transmission shaft, a second synchronous pulley is arranged on the cutter disc, the first synchronous pulley and the second synchronous pulley are connected through a transmission belt, and the cutter disc is arranged on the cutter disc seat and detachably connected with the cutter disc seat. The servo motor drives the transmission shaft and the synchronous pulley on the transmission shaft to rotate through a group of transmission gears, so that errors are reduced in machining of the spindle box, the synchronous pulley is driven by the belt to drive the cutterhead on the cutterhead seat to rotate at a high speed, and the servo motor has the advantages of high precision, high torque, buffering and damping, low noise, stability in operation of a transmission system and equipment and the like, and the belt can be broken preferentially when accidents happen, so that the cutterhead is protected.

Preferably, the workbench is further provided with a side pressing block, the side pressing block is arranged on the side face of the workpiece clamp and is in sliding connection with the workbench, the workbench is provided with a side oil cylinder, and the side pressing block is arranged on the side oil cylinder. After the workpiece is fixed by the fixed middle pressing block, the side oil cylinder is used for controlling the side pressing block to secondarily and fixedly press the workpiece from the side surface, so that the fixing effect of the workpiece is further improved, and the product precision and the production safety are ensured.

Preferably, the left side and the right side of the main machine body are respectively provided with a side machine body, the side machine body is provided with a sliding rail, the bottom of the main spindle box is provided with a sliding seat matched with the sliding rail, the sliding seat is arranged on the sliding rail, and the main spindle box is in left-right sliding connection with the side machine body through the matching of the sliding seat and the sliding rail. The main body and the side body are in a cross-shaped box structure, and the structural rigidity is good. The servo speed reducer is arranged on the side machine body, and the X-axis transmission screw rod is driven by the synchronous pulley to realize the left-right sliding of the spindle box (the two sides of the screw rod are provided with the anti-collision pads).

Preferably, the main machine body is further provided with a chip removing groove, the chip removing groove is arranged below the workbench, chip removing screws are installed in the chip removing groove and are connected in a rotating mode, the chip removing screws are respectively arranged on two sides below the workbench, the chip removing groove is internally provided with a transmission chain row, the transmission chain row is arranged between the two chip removing screws, chip removing holes are formed in the side wall of the chip removing groove and located at the end portions of the transmission chain row, and the chip removing holes are provided with scrap iron recycling carts. The main machine body is provided with a screw motor for controlling the chip removal screw to rotate and a chain motor for controlling the transmission chain to transmit. Scrap iron generated in the milling process can fall onto the scrap removal screw rod from the side face of the workbench, the scrap iron is transmitted to the transmission chain row on the side face of the scrap removal screw rod through rotation of the scrap removal screw rod, and the scrap iron is automatically transmitted into the scrap iron recycling cart through the transmission chain row, so that the manual cleaning time can be saved, the scrap iron is convenient to recycle, and the scrap iron recycling cart has the advantages of environmental protection, safety and the like during working.

Preferably, the workpiece clamp comprises a placing table arranged on the workbench, a workpiece placing groove is formed in the placing table, a first hinge seat is arranged on the inner side wall of one side of the workpiece placing groove, a second spring is rotatably connected between the first hinge seat and the inner side wall of one side of the workpiece placing groove, a first spring is further arranged between the first spring and the inner side wall of one side of the workpiece placing groove, two sides of the first hinge seat are respectively arranged on the inner side wall of the other side of the workpiece placing groove, a movable block through hole is formed in the inner side wall of the other side of the workpiece placing groove, a movable block is slidably connected in the movable block through hole, one end of the movable block is arranged in the inner side of the workpiece placing groove and is fixedly provided with a fixed plate, a second hinge seat is arranged on the fixed plate, a second hinge seat is rotatably connected with a second pressing plate, two sides of the second pressing plate and the inner side wall of the other side of the workpiece placing groove are oppositely arranged, the other ends of the first pressing plate and the second pressing plate are respectively arranged on the two sides of the workpiece placing groove, the other sides of the workpiece placing groove are fixedly provided with a hand-held portion, a third spring is arranged between the fixed plate and the inner side wall of the other side of the workpiece placing groove, and the movable block is sleeved on the third spring. When the workpiece is placed, an operator holds the holding part to pull the fixing plate and the pressing plate on the fixing plate outwards, then places the workpiece between the first pressing plate and the second pressing plate, finally releases the hand, the second pressing plate on the fixing plate can press the workpiece on the first pressing plate under the action of the reset elastic force of the third spring, and the workpiece is clamped by the cooperation of the first pressing plate and the second pressing plate to limit the workpiece. Through the rotation design of clamp plate one and clamp plate two for clamp plate one and clamp plate two when the work piece, can make the shape of work piece and make the adjustment of self-adaptation, thereby improve the area of contact with the work piece, improve the centre gripping effect, can both carry out fine clamp spacing to the work piece of different shapes.

Preferably, the bottom surface of the fixed middle pressing block is provided with a workpiece pressing groove, the side wall of the workpiece pressing groove is provided with a plurality of positioning rods, the positioning rods are distributed linearly along the groove line direction of the workpiece pressing groove, an oil cavity matched with the positioning rods is arranged in the fixed middle pressing block, the oil cavity is arranged on the side surface of the workpiece pressing groove, a piston is arranged in the oil cavity, a positioning rod through hole is formed in the side wall, close to one side of the workpiece pressing groove, of the oil cavity, the positioning rods penetrate through the positioning rod through hole and are fixedly connected with the piston, an oil inlet I is formed in the side wall, far away from one side of the workpiece pressing groove, of the oil cavity, and a middle single chip microcomputer matched with the positioning rod is arranged in the fixed middle pressing block. Wherein the workpiece pressing groove is matched with the workpiece placing groove. The fixed middle pressing block presses the placed workpiece (the top of the workpiece is positioned in the workpiece pressing groove) under the control of the upper oil cylinder, the external oil pressure system simultaneously introduces pressure oil into all oil cavities through the first oil inlet to push the piston and the positioning rods on the piston to move, so that the positioning rods are propped against the side surface of the workpiece to further fix the workpiece, and meanwhile, the singlechip judges the zero point of the workpiece according to the feeding amount of each positioning rod, thereby realizing the purpose of automatic middle separation.

Preferably, an upper oil cylinder piston rod is arranged at the bottom of the upper oil cylinder, an adjusting motor is arranged at the end part of the upper oil cylinder piston rod, a motor shaft is arranged at the bottom of the adjusting motor, the top surface of the fixed middle pressing block is fixed at the end part of the motor shaft, the middle single chip microcomputer is electrically connected with the adjusting motor, and the placing table is rotationally connected with the workbench. The central dividing singlechip controls the operation of the adjusting motor according to the zero point of the workpiece, thereby driving the fixed central dividing pressing block and the workpiece to perform self-adaptive position adjustment rotation so as to align the cutterheads at two sides, the automation degree of the equipment is high, the working continuity is good, the labor intensity of workers is reduced, and the working efficiency and the working precision are improved.

Preferably, the bottom of placing the platform is equipped with the rotation post, the inside of workstation is equipped with the workstation cavity, the inside of workstation cavity is fixed with the fixed block, be equipped with rotation post locked groove on the fixed block, be equipped with on the top surface of workstation cavity with rotation post assorted rotation post through-hole, rotation post passes rotation post through-hole and installs in rotation post locked groove, rotation post and rotation post through-hole, rotation post locked groove are the rotation and are connected, be annular distribution on the lateral wall of rotation post locked groove and have a plurality of locking lever through-hole, sliding connection has the locking lever in the locking lever through-hole, the length of locking lever is greater than the length of locking lever through-hole, the outside cover of fixed block has the clamp ring, clamp ring and fixed block sliding connection and clamp ring are arranged in the below of locking lever, the internal diameter of clamp ring increases gradually from the bottom surface to the top surface of clamp ring, two oil inlets are installed to the bottom surface of workstation cavity. After the position of work piece is adjusted, outside oil pressure system passes through the oil inlet and to the interior input pressure oil of workstation cavity, promotes clamp ring upward movement, and when the inner wall of clamp ring passed through the position of locking lever, all locking levers are from all around simultaneously to the central point that rotates the post locked groove put and press on the post that rotates under the direction effect of clamp ring inner wall to realize the locking effect to the post that rotates, avoid the phenomenon that the work piece appears deflecting in the course of working, guarantee product precision and production security.

The beneficial effects of the utility model are as follows: the machining precision and the machining efficiency are improved; the device has the advantages of high precision, high torque, buffering and damping, low noise, maintenance of the running stability of a transmission system and equipment and the like; the protective effect on the blade is good; the stability of workpiece clamping is improved, and the product precision and the production safety are ensured; the fixing effect of the workpiece is improved; the scrap iron is convenient to recycle, the manual cleaning time is saved, and the scrap iron recycling device has the advantages of environmental protection, safety and the like in the working process; the contact area with the workpiece is increased, the clamping effect is improved, and the workpiece with different shapes can be well clamped and limited; the automatic degree is high, the working continuity is good, and the automatic centering function is realized; the phenomenon of deflection of the workpiece in the processing process can be prevented, and the product precision and the production safety are ensured.

Drawings

FIG. 1 is a top view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a side view of the present utility model;

FIGS. 4, 5 and 6 are views showing the processing state of the present utility model;

FIG. 7 is a schematic illustration of a drive train configuration;

FIG. 8 is a schematic view of a structure of the headstock;

FIG. 9 is a schematic view of a cutterhead;

FIG. 10 is a schematic view of a structure of a slide rail;

FIG. 11 is a structural connection diagram of a table and a work holder;

FIG. 12 is a top view of the workpiece holder;

FIG. 13 is a front view of a fixed middling compact;

fig. 14 is a bottom view of the fixed middling pressure piece.

In the figure: 1. headstock, 2, slide seat, 3, side frame, 4, chip removing screw, 5, chip removing groove, 6, main frame, 7, working table, 8, work holder, 9, fixed part press block, 10, upper cylinder, 11, portal frame, 12, cutterhead, 13, cutterhead seat, 14, side press block, 15, upright post, 16, upright post clamp seat, 17, chip removing port, 18, scrap iron recycling cart, 19, upright post, 20, side cylinder, 21, cross beam, 22, driving chain row, 23, placing table, 24, work placing groove, 25, rotating post, 26, rotating post through hole, 27, working table cavity, 28, compression ring, 29, fixed block, 30, second oil inlet, 31, lock rod through hole, 32, lock rod, 33, rotary column lock groove, 34, movable block through hole, 35, movable block, 36, third spring, 37, hand-held part, 38, hinge seat, 39, fixed plate, 40, second pressing plate, 41, second spring, 42, first spring, 43, first pressing plate, 44, hinge seat, 45, adjusting motor, 46, oil cavity, 47, first oil inlet, 48, piston, 49, positioning rod through hole, 50, positioning rod, 51, workpiece pressing groove, 52, telescopic protective cover, 53, control panel, 54, servo motor, 55, measuring rod, 56, blade, 57, knife handle, 58, slide rail, 59, oil conveying groove.

Detailed Description

The utility model is further described below with reference to the drawings and detailed description.

In the embodiment shown in fig. 1, fig. 2 and fig. 3, a double-sided shoulder opening machine comprises a main body 6, a workbench 7 is arranged on the main body 6, a workpiece clamp 8 and a portal frame 11 are arranged on the workbench 7, a fixed middle pressing block 9 matched with the workpiece clamp 8 is arranged on the portal frame 11, the fixed middle pressing block 9 is arranged above the workpiece clamp 8, the fixed middle pressing block 9 and the portal frame 11 are connected in an up-down sliding manner, a main shaft box 1 is arranged on the left side and the right side of the workbench 7, the main shaft box 1 is connected with the main body 6 in a left-right sliding manner, a cutter disc 12 and a driving structure are arranged on the main shaft box 1, the cutter disc 12 is arranged on one side, opposite to the workpiece clamp 8, of the main shaft box 1, the cutter disc 12 is arranged on the driving structure and is in rotary connection with the main shaft box 1, the workpiece clamp 8, the fixed middle pressing block 9 and the two cutter discs 12 are all positioned in the same vertical plane, the portal frame 11 comprises a first stand column 19 and a second stand column 15, the first stand column 19 is arranged on the workbench 7 and is in rotary connection with the workpiece clamp 8, a cross beam 21 is fixed on the first stand column 19, the upper end of the second stand column 15 is fixedly connected with the cross beam 21, the upper end of the second stand column 21 is fixedly connected with the upper end of the cross beam 21 and the upper end of the second stand column 7 is provided with the upper end of the upper stand column 15 and the lower stand 15 is provided with the upper end of the stand 15, and the upper stand 15 is matched with the upper stand 15 of the stand 15, and the upper stand 15 is provided with the upper stand 15, and the upper stand 15 is matched with the stand 15, and the stand 15 is arranged. As shown in fig. 8, the headstock 1 may be provided with a measuring rod 55. As shown in fig. 9, the cutterhead 12 is composed of a blade 56 (detachable) and a shank 57 (NT 50).

The driving structure comprises a servo motor 54, a transmission shaft and a cutter disc seat 13 which are arranged on the spindle box 1, wherein the transmission shaft and the cutter disc seat 13 are both in rotary connection with the spindle box 1, a first transmission gear is arranged on a motor shaft of the servo motor 54, a second transmission gear is arranged on the transmission shaft, the first transmission gear is meshed with the second transmission gear, a first synchronous pulley is further arranged on the transmission shaft, a second synchronous pulley is arranged on the cutter disc 12, the first synchronous pulley and the second synchronous pulley are connected through a transmission belt, and the cutter disc 12 is arranged on the cutter disc seat 13 and is detachably connected with the cutter disc.

The workbench 7 is also provided with a side pressing block 14, the side pressing block 14 is arranged on the side face of the workpiece clamp 8, the side pressing block 14 is in sliding connection with the workbench 7, the workbench 7 is provided with a side oil cylinder 20, and the side pressing block 14 is arranged on the side oil cylinder 20.

The left and right sides of main body 6 all are equipped with side fuselage 3, are equipped with slide rail 58 on the side fuselage 3, and the bottom of headstock 1 is equipped with the sliding seat 2 with slide rail 58 assorted, and sliding seat 2 installs on slide rail 58, and headstock 1 is through the cooperation of sliding seat 2 and slide rail 58 and side fuselage 3 side-to-side sliding connection. The sliding seat 2 is provided with a telescopic protection cover 52 at one side close to the workbench 7. One of the side bodies 3 is provided with a control panel, and the intelligent operation is simple and easy to understand. The contact surfaces of the sliding rail 58 and the sliding seat 2 are respectively provided with an oil conveying groove, and the oil conveying grooves can be filled with No. 68 wear-resistant guide rail oil.

As shown in fig. 1 and 7, the main body 6 is further provided with a chip removing groove 5, the chip removing groove 5 is arranged below the workbench 7, chip removing screws 4 are installed in the chip removing groove 5, the chip removing screws 4 are rotationally connected with the chip removing groove 5, the chip removing screws 4 are respectively arranged at two sides below the workbench 7, a transmission chain row 22 is also installed in the chip removing groove 5, the transmission chain row 22 is arranged between the two chip removing screws 4, chip removing holes 17 are formed in the side walls of the chip removing groove 5 and positioned at the end parts of the transmission chain row 22, and a scrap iron recycling cart 18 is installed at the chip removing holes 17.

As shown in fig. 11 and 12, the workpiece holder 8 includes a placing table 23 mounted on the workbench 7, the placing table 23 is provided with a workpiece placing groove 24, a first hinge seat 44 is mounted on an inner side wall of one side of the workpiece placing groove 24, a first spring 42 is rotatably connected between the first hinge seat 44, the first spring 43 and the inner side wall of one side of the workpiece placing groove 24 are respectively disposed on two sides of the first hinge seat 44, a movable block through hole 34 is disposed on an inner side wall of the other side of the workpiece placing groove 24, a movable block 35 is slidably connected in the movable block through hole 34, one end of the movable block 35 is disposed in the workpiece placing groove 24 and is fixedly provided with a fixing plate 39 thereon, a second hinge seat 38 is mounted on the fixing plate 39, a second hinge seat 40 is rotatably connected on the second hinge seat 38, a second spring 41 is further disposed between the second hinge seat 40 and the inner side wall of the other side of the workpiece placing groove 24, the first spring 43 and the second hinge seat 40 are respectively disposed on two sides of the workpiece placing groove 24 and are oppositely disposed, the other end of the movable block 35 is disposed on the outer side of the workpiece placing groove 24 and is fixedly provided with a holding portion 37 thereon, one end of the movable block 36 is disposed between the fixing plate 39 and the inner side wall of the workpiece placing groove 24 and the inner side wall is fixedly provided with a third spring 36.

As shown in fig. 13 and 14, a workpiece pressing groove 51 is formed in the bottom surface of the fixed middle pressing block 9, a plurality of positioning rods 50 are respectively arranged on the side wall of the workpiece pressing groove 51, the positioning rods 50 are linearly distributed along the groove line direction of the workpiece pressing groove 51, an oil cavity 46 matched with the positioning rods 50 is formed in the fixed middle pressing block 9, the oil cavity 46 is arranged on the side surface of the workpiece pressing groove 51, a piston 48 is arranged in the oil cavity 46, a positioning rod through hole 49 is formed in the side wall, close to one side of the workpiece pressing groove 51, of the oil cavity 46, the positioning rods 50 penetrate through the positioning rod through hole 49 and are fixedly connected with the piston 48, an oil inlet 47 is formed in the side wall, far away from one side of the workpiece pressing groove 51, of the oil cavity 46, and a middle pressing single chip microcomputer matched with the positioning rods 50 is arranged in the fixed middle pressing block 9.

The bottom of the upper oil cylinder 10 is provided with an upper oil cylinder piston rod, the end part of the upper oil cylinder piston rod is provided with an adjusting motor 45, the bottom of the adjusting motor 45 is provided with a motor shaft, the top surface of the fixed middle pressure block 9 is fixed at the end part of the motor shaft, the middle singlechip is electrically connected with the adjusting motor 45, and the placing table 23 is rotationally connected with the workbench 7.

As shown in fig. 11 and 12, the bottom of the placement table 23 is provided with a rotating column 25, the inside of the workbench 7 is provided with a workbench cavity 27, a fixed block 29 is fixed in the workbench cavity 27, a rotating column locking groove 33 is arranged on the fixed block 29, a rotating column through hole 26 matched with the rotating column 25 is arranged on the top surface of the workbench cavity 27, the rotating column 25 passes through the rotating column through hole 26 and is installed in the rotating column locking groove 33, the rotating column 25 is rotationally connected with the rotating column through hole 26 and the rotating column locking groove 33, a plurality of locking rod through holes 31 are annularly distributed on the side wall of the rotating column locking groove 33, a locking rod 32 is slidably connected with the locking rod through hole 31, the length of the locking rod 32 is larger than the length of the locking rod through hole 31, a compression ring 28 is sleeved on the outer side of the fixed block 29, the compression ring 28 and the fixed block 29 are slidably connected with the fixed block 28, the compression ring 28 is arranged below the locking rod 32, and the inner diameter of the compression ring 28 is gradually increased from the bottom surface of the compression ring 28 to the top surface of the compression ring 28, and the bottom surface of the workbench cavity 27 is provided with an oil inlet II 30.

Working principle:

when the workpiece is placed, an operator holds the holding part 37 to pull the fixing plate 39 and the pressing plate II 40 on the fixing plate outwards, then places the workpiece between the pressing plate I43 and the pressing plate II 40, finally releases the hand, the pressing plate II 40 on the fixing plate 39 can press the workpiece on the pressing plate I43 under the action of the reset elastic force of the spring III 36, and the workpiece is clamped by the cooperation of the pressing plate I43 and the pressing plate II 40 to limit the workpiece. Through the rotation design of the first pressing plate 43 and the second pressing plate 40, when the first pressing plate 43 and the second pressing plate 40 clamp the workpiece, the shape of the workpiece can be adjusted in a self-adaptive mode, so that the contact area with the workpiece is increased, the clamping effect is improved, and the workpiece with different shapes can be clamped well and limited.

The fixed centering pressing block 9 presses the placed workpiece (the top of the workpiece is positioned in the workpiece pressing groove 51) under the control of the upper oil cylinder 10, the external oil pressure system simultaneously introduces pressure oil into all the oil cavities 46 through the first oil inlet 47, pushes the piston 48 and the positioning rods 50 on the piston 48 to move, so that the positioning rods 50 are propped against the side surface of the workpiece, and meanwhile, the singlechip judges the zero point of the workpiece according to the feeding amount of each positioning rod 50 to realize automatic centering.

The centering singlechip controls the operation of the adjusting motor 45 according to the zero point of the workpiece, thereby driving the fixed centering pressing block 9 and the workpiece to perform self-adaptive position adjustment rotation so as to align the cutterhead 12 at two sides.

After the position of the workpiece is adjusted, the external oil pressure system inputs pressure oil into the workbench cavity 27 through the oil inlet II 30 to push the compression ring 28 to move upwards, and when the inner wall of the compression ring 28 passes through the position of the lock rod 32, all the lock rods 32 move from the periphery to the central position of the rotating column locking groove 33 simultaneously under the guiding action of the inner wall of the compression ring 28 and are pressed on the rotating column 25, so that the locking of the rotating column 25 is realized.

The side pressing block 14 is controlled by the side oil cylinder 20 to carry out secondary auxiliary pressurization and fixation on the workpiece from the side.

As shown in fig. 4, 5 and 6, during processing, the servo motor drives the transmission shaft and the synchronous pulley thereon to rotate through a set of transmission gears, the synchronous pulley drives the cutterhead 12 on the cutterhead seat 13 to rotate at a high speed through belt transmission, and meanwhile, the servo speed reducer drives the X-axis transmission screw rod through the synchronous pulley to enable the spindle box 1 to approach to a workpiece, so that milling processing is performed on two sides of the workpiece simultaneously.

Scrap iron generated in the milling process falls onto the scrap discharging screw 4 from the side face of the workbench 7, is transmitted to the transmission chain 22 on the side face of the scrap discharging screw 4 through rotation of the scrap discharging screw 4, and is automatically transmitted into the scrap iron recycling cart 18 through the transmission chain 22.

The utility model is suitable for primary forming and high-strength cutting processing of the steel blank.

Claims

1. The utility model provides a two-sided shoulder machine that opens, characterized by includes main body (6), be equipped with workstation (7) on main body (6), be equipped with work piece holder (8) and portal frame (11) on workstation (7), be equipped with on portal frame (11) with work piece holder (8) assorted fixed branch middling pressure piece (9), the top of work piece holder (8) is arranged in to fixed branch middling pressure piece (9), fixed branch middling pressure piece (9) and portal frame (11) upper and lower sliding connection, the left and right sides of workstation (7) all has headstock (1), headstock (1) and main body (6) side sliding connection, be equipped with blade disc (12) and drive structure on headstock (1), blade disc (12) are arranged in headstock (1) just to one side of work piece holder (8), blade disc (12) are installed on drive structure and are rotated with headstock (1) and are connected, work piece holder (8), fixed branch middling pressure piece holder (9) and two vertical blade discs (12) and two vertical planes (19) are located on one and two stand (19) are connected, two stand (19) are connected on one stand (19), the upper end of the second stand column (15) is fixedly connected with the cross beam (21), a stand column clamping seat (16) matched with the lower end of the second stand column (15) is arranged on the workbench (7), an upper oil cylinder (10) is arranged on the cross beam (21), the fixed middle pressing block (9) is arranged on the upper oil cylinder (10), and a clamping groove matched with the lower end of the second stand column (15) is formed in the stand column clamping seat (16).

2. The double-sided shoulder opening machine according to claim 1, wherein the driving structure comprises a servo motor (54), a transmission shaft and a cutter disc seat (13) which are arranged on a spindle box (1), the transmission shaft and the cutter disc seat (13) are both rotationally connected with the spindle box (1), a transmission gear I is arranged on a motor shaft of the servo motor (54), a transmission gear II is arranged on the transmission shaft, the transmission gear I is meshed with the transmission gear II, a synchronous pulley I is further arranged on the transmission shaft, a synchronous pulley II is arranged on the cutter disc (12), the synchronous pulley I and the synchronous pulley II are connected through a transmission belt, and the cutter disc (12) is arranged on the cutter disc seat (13) and detachably connected with the cutter disc seat.

3. The double-sided shoulder opening machine according to claim 1, characterized in that the workbench (7) is further provided with a side pressing block (14), the side pressing block (14) is arranged on the side surface of the workpiece clamp (8), the side pressing block (14) is in sliding connection with the workbench (7), the workbench (7) is provided with a side oil cylinder (20), and the side pressing block (14) is arranged on the side oil cylinder (20).

4. The double-sided shoulder opening machine according to claim 1, wherein the left side and the right side of the main machine body (6) are respectively provided with a side machine body (3), the side machine body (3) is provided with a sliding rail (58), the bottom of the main spindle box (1) is provided with a sliding seat (2) matched with the sliding rail (58), the sliding seat (2) is arranged on the sliding rail (58), and the main spindle box (1) is in left-right sliding connection with the side machine body (3) through the matching of the sliding seat (2) and the sliding rail (58).

5. The double-sided shoulder opening machine according to claim 1, characterized in that a chip groove (5) is further arranged on the main machine body (6), the chip groove (5) is arranged below the workbench (7), chip screws (4) are installed in the chip groove (5), the chip screws (4) are rotationally connected with the chip groove (5), the chip screws (4) are respectively arranged on two sides below the workbench (7), a transmission chain (22) is further installed in the chip groove (5), the transmission chain (22) is arranged between the two chip screws (4), chip openings (17) are formed in the side wall of the chip groove (5) and are located at the end portions of the transmission chain (22), and scrap iron recycling carts (18) are installed at the chip opening (17).

6. A double-sided shoulder opening machine according to any one of claims 1-5, wherein the workpiece holder (8) comprises a placing table (23) arranged on the workbench (7), the placing table (23) is provided with a workpiece placing groove (24), a first hinging seat (44) is arranged on the inner side wall of one side of the workpiece placing groove (24), a second hinging seat (38) is arranged on the first hinging seat (44) in a rotating way, a first spring (42) is arranged between the first hinging seat (43) and the inner side wall of one side of the workpiece placing groove (24), the first spring (42) is respectively arranged on two sides of the first hinging seat (44), a movable block through hole (34) is arranged on the inner side wall of the other side of the workpiece placing groove (24), a movable block (35) is connected in a sliding way, one end of the movable block (35) is arranged in the workpiece placing groove (24) and is fixedly provided with a fixed plate (39), a second hinging seat (38) is arranged on the fixed plate (39), the second hinging seat (38) is connected with the second hinging seat (40), the second pressing plate (40) is arranged between the second hinging seat (40) and the second workpiece placing groove (40) and the opposite side of the first workpiece placing groove (41), the other end of the movable block (35) is arranged outside the workpiece placing groove (24) and is fixedly provided with a handheld part (37), a spring III (36) is arranged between the fixed plate (39) and the inner side wall of the other side of the workpiece placing groove (24), and the spring III (36) is sleeved on the movable block (35).

7. The double-sided shoulder opening machine according to claim 6, wherein the bottom surface of the fixed middle pressing block (9) is provided with a workpiece pressing groove (51), the side walls of the workpiece pressing groove (51) are respectively provided with a plurality of positioning rods (50), the positioning rods (50) are linearly distributed along the groove line direction of the workpiece pressing groove (51), the inside of the fixed middle pressing block (9) is provided with an oil cavity (46) matched with the positioning rods (50), the oil cavity (46) is arranged on the side surface of the workpiece pressing groove (51), the inside of the oil cavity (46) is provided with a piston (48), the side wall, close to one side of the workpiece pressing groove (51), of the oil cavity (46) is provided with a positioning rod through hole (49), the positioning rods (50) penetrate through the positioning rod through hole (49) and are fixedly connected with the piston (48), the side wall, far away from one side of the workpiece pressing groove (51), of the oil cavity (46) is provided with an oil inlet I (47), and the inside of the fixed middle pressing block (9) is provided with a singlechip matched with the positioning rods (50).

8. The double-sided shoulder opening machine according to claim 7, wherein an upper oil cylinder piston rod is arranged at the bottom of the upper oil cylinder (10), an adjusting motor (45) is arranged at the end part of the upper oil cylinder piston rod, a motor shaft is arranged at the bottom of the adjusting motor (45), the top surface of the fixed middle-pressure block (9) is fixed at the end part of the motor shaft, the middle-pressure single-chip microcomputer is electrically connected with the adjusting motor (45), and the placing table (23) is rotationally connected with the workbench (7).

9. The double-sided shoulder opening machine according to claim 8, wherein the bottom of the placement table (23) is provided with a rotary column (25), a table cavity (27) is arranged in the table (7), a fixed block (29) is fixed in the table cavity (27), a rotary column locking groove (33) is arranged on the fixed block (29), a rotary column through hole (26) matched with the rotary column (25) is arranged on the top surface of the table cavity (27), the rotary column (25) passes through the rotary column through hole (26) and is installed in the rotary column locking groove (33), the rotary column (25) is in rotary connection with the rotary column through hole (26) and the rotary column locking groove (33), a plurality of locking rod through holes (31) are annularly distributed on the side wall of the rotary column locking groove (33), the locking rod through hole (31) is connected with a locking rod (32), the length of the locking rod (32) is larger than that of the locking rod through hole (31), a clamp ring (28) is sleeved on the outer side of the fixed block (29), the clamp ring (28) is connected with the clamp ring (28) and the clamp ring (28) is gradually arranged on the inner diameter of the clamp ring (28) from the bottom surface (28) of the clamp ring (28), and the bottom surface of the workbench cavity (27) is provided with a second oil inlet (30).