CN102233391A

CN102233391A - Feeding mechanism of computer numerical control (CNC) punching machine tool

Info

Publication number: CN102233391A
Application number: CN2011100956685A
Authority: CN
Inventors: 高尔荣
Original assignee: Zhejiang Bolei Heavy Duty Machine Tool Manufacturing Co Ltd
Current assignee: Zhejiang Bolei Heavy Duty Machine Tool Manufacturing Co Ltd
Priority date: 2011-03-02
Filing date: 2011-03-02
Publication date: 2011-11-09

Abstract

The invention discloses a feeding mechanism of a computer numerical control (CNC) punching machine tool. The feeding mechanism comprises a base, wherein a carriage is slidably arranged on the base via first tracks; a first servo motor is installed on the base and is connected with a first lead screw rotatably erected on the base; lead screw nuts in threaded connection with the first lead screw are fixed on the carriage; manipulator installation seats are slidably arranged on the carriage via second tracks and are provided with at least two manipulators for clamping a plate to be processed; a second servo motor is installed on the carriage and is connected with a second lead screw rotatably erected on the carriage; lead screw nuts in threaded connection with the second lead screw are fixed on the manipulator installation seats; and the first tracks are vertical to the second tracks. The feeding mechanism has the following beneficial effects: the feeding mechanism can not only be used for realizing the punching of a thicker small plate but also ensure the punching precision and quality, thus improving the processing efficiency of holes on the small plate and lowering the processing cost.

Description

A kind of feed mechanism that is used for numerical control punching machine

Technical field

The invention belongs to the plant equipment field, relate in particular to a kind of numerical control punching machine.

Background technology

During in the market little slab (connecting plate) bolt hole mainly is to utilize artificial setting-out to hole or digital control hole drilling, adopts bore mode processing bolt hole to have problems such as working (machining) efficiency is low, processing cost height.

Summary of the invention

In order to solve above-mentioned technical problem, the purpose of this invention is to provide a kind of numerical control punching machine, not only can realize the punching processing of the little slab that thickness is thicker relatively, and can guarantee punching precision and punching quality, thereby improved the working (machining) efficiency of hole processing on the little slab, reduced processing cost.

To achieve the above object, the present invention has adopted following technical scheme:

A kind of numerical control punching machine, comprise the gantry frame type fuselage, fuselage is provided with the plunger mechanism that is used to carry out punching processing, be used for to plunger mechanism provide punching power power drive mechanism, be used for clamping and transfer the feed mechanism of processed sheet material and be positioned at the material platform mechanism that the plunger mechanism below is used for placing processed sheet material.

As preferably, described power drive mechanism comprises the motor that is installed on the fuselage, and motor and flywheel band are in transmission connection, and flywheel is in transmission connection by clutch and power transmission shaft, and power transmission shaft and crankshaft toothed wheel are in transmission connection, and described bent axle is connected with plunger mechanism.

As preferably, described plunger mechanism comprises the connecting rod that is connected with power drive mechanism, connecting rod lower end and slide block flexibly connect, described slide block slides up and down with fuselage and is connected, and the slide block lower end is fixed with the mould seat, is fixed with towards pin on the mould seat, be arranged with the flanging piece towards the pin outside, and, the flanging oil cylinder is installed in the described slide block, the piston rod of flanging oil cylinder is fixedlyed connected with the flanging piece.Adopt hydraulic pressure flanging band to take off material, reliable and stable.

As preferably, described connecting rod lower end screw thread is connected with ball screw, and the bulb end of ball screw is connected with slide block by the ball bowl.

As preferably, the piston rod of described flanging oil cylinder is fixedlyed connected with the flanging piece by three push rods that are passed down through the mould seat.

As preferably, described feed mechanism comprises base, be provided with planker by the slip of first track on the base, first servomotor is installed on the described base, first servomotor is connected with first screw mandrel that rotating turret is located on the base, the fixing feed screw nut who is connected with first wire rod thread on the described planker; Be provided with the manipulator mount pad by the slip of second track on the described planker, at least two manipulators that are used for the processed sheet material of clamping are installed on the manipulator mount pad, second servomotor is installed on the described planker, second servomotor is connected with second screw mandrel that rotating turret is located on the planker, the fixing feed screw nut who is connected with second wire rod thread on the described manipulator mount pad, wherein, first track and second track that direction is set is vertical.

As preferably, described manipulator is installed on the manipulator mount pad by T shape chute and tommyhead bolt.

As preferably, described manipulator comprises the cylinder block that is installed on the manipulator mount pad, be provided with piston in the cylinder block, fixedly install piston rod on the piston, the cylinder block lower end fixedly installs one and is used for the chela that the level pincers are held, and described piston-rod lower end is equipped with the taper top that can insert the chela clamper.

As preferably, described material platform mechanism comprises platen, and the central authorities of platen are equipped with and the corresponding counterdie of plunger mechanism, are inlaid with a plurality of Rolls that are used to support processed sheet material on the platen.

The present invention, compares with the artificial setting-out boring of tradition, digital control hole drilling realize numerical control punching processing at little slab (connecting plate) manufacture field owing to adopted above technical scheme, has significantly improved production and processing efficient, has reduced human cost and processing cost.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the structural representation of transmission mechanism of the present invention.

Fig. 3 is the perspective view of plunger mechanism of the present invention.

Fig. 4 is the cross-sectional view of plunger mechanism of the present invention.

Fig. 5 is the structural representation of feed mechanism of the present invention.

Fig. 6 is the structural representation of manipulator of the present invention.

Fig. 7 is the structural representation of material platform of the present invention mechanism.

Fig. 8 is the A-A cutaway view of Fig. 7.

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present invention is made a detailed explanation.

Embodiment 1:

A kind of numerical control punching machine as shown in Figure 1, comprise gantry frame type fuselage 1, fuselage 1 is provided with the plunger mechanism 3 that is used to carry out punching processing, be used for to plunger mechanism 3 provide punching power power drive mechanism 2, be used for clamping and transfer the feed mechanism 6 of little slab 5 and be positioned at the material platform mechanism 4 that plunger mechanism 3 belows are used for placing little slab 5.The off the beaten track press frame structural design of fuselage adopts the gantry frame type airframe structure, and its structure precision height, non-deformability are good, can better guarantee the die punching precision and improve die life.

Power drive mechanism 2 as shown in Figure 2, comprise the motor 21 that is installed on the fuselage 1, motor 21 is in transmission connection with flywheel 22 bands, flywheel 22 is in transmission connection by clutch 23 and power transmission shaft 24, power transmission shaft 24 is connected with bent axle 27 gear drives by pinion 25, gear wheel 26, and described bent axle 27 is connected with plunger mechanism.Like this by clutch from, close the action and the pause that can realize plunger mechanism, realize deceleration transmission by pinion 25 and gear wheel 26.

Plunger mechanism 3 as shown in Figure 3, Figure 4, comprise with power drive mechanism 2 in the connecting rod 301 that is rotationally connected of bent axle 27, connecting rod 301 lower end screw threads are connected with ball screw 302, the bulb end of ball screw 302 is connected with slide block 304 by ball bowl 309, slide block 304 lower ends are fixed with mould seat 307, be fixed with on the mould seat 307 towards pin 313, be arranged with flanging piece 308 towards pin 313 outsides, and, by holder 306 flanging oil cylinder 310 is installed in the described slide block 304, the piston rod 311 of flanging oil cylinder 310 is fixedlyed connected with flanging piece 308 by three push rods 312; Wherein, described three push rods 312 are connected with flanging piece 308 after all being passed down through through hole on the mould seat 307, and described slide block 304 is slidingly connected by guide rod 303 and fuselage 1, and described flanging oil cylinder 310 is connected with extraneous fueller by petroleum pipeline 305.During the plunger mechanism action, power is passed to slide block 304 through bent axle 27, connecting rod 301, ball screw 302, ball bowl 309, and the drive fixed installation pin 313 that dashes thereon carries out punching or return thereby slide block 304 vertically moves up and down; In punching, 310 actions of flanging oil cylinder, power is passed to flanging piece 308 through flanging oil cylinder 310, piston rod 311, push rod 312, reduces the distortion and the vibration that cause towards pin 313 punchings thereby flanging piece 308 compresses the punching edge of little slab 5, has guaranteed punching quality and punching precision.

Feed mechanism 6 as shown in Figure 5, comprise base 61, be provided with planker 69 by the slip of first track 62 (Y direction) on the base 61, first servomotor 64 is installed on the described base 61, the output shaft of first servomotor 64 is fixedlyed connected with first screw mandrel 63 that rotating turret is located on the base 61, the fixing feed screw nut who is threaded with first screw mandrel 63 on the described planker 69; Be provided with manipulator mount pad 681 by the slip of second track 65 (X-direction) on the described planker 69, at least two manipulators 68 that are used for the little slab 5 of clamping are installed on the manipulator mount pad 681, second servomotor 66 is installed on the described planker 69, the output shaft of second servomotor 66 is fixedlyed connected with second screw mandrel 67 that rotating turret is located on the planker 69, the fixing feed screw nut who is threaded with second screw mandrel 67 on the described manipulator mount pad 681, wherein, first track 62 and second track 65 that direction is set is vertical; Manipulator as shown in Figure 6 is installed on the manipulator mount pad 681 by T shape chute and tommyhead bolt, this manipulator comprises the cylinder block 683 that is installed on the manipulator mount pad 681, be provided with piston 684 in the cylinder block 683, fixedly install piston rod 685 on the piston 684, cylinder block 683 lower ends fixedly install one and are used for the chela 686 that the level pincers are held, and described piston rod 685 lower ends are equipped with the taper top 682 that can insert chela 686 clampers.When little slab is put into the clamper of chela 686, by hydraulic cylinder with piston rod and on taper top 682 eject, the tip of taper top 682 pushes against little slab, adopts hydraulic pressure clamping and the most advanced and sophisticated mode that pushes against to have clamping great efforts, advantage such as reliable and stable; When transferring little slab, drive planker 69 by first servomotor 64 and carry out moving on the Y direction, carry out moving on the directions X by second servomotor, 66 driving device hand mount pads 681, in the present embodiment, X, Y-axis all adopt the big helical pitch of driven by servomotor, high speed ball screw, in conjunction with the line slideway transmission, realize quick feeding and location, positioning accuracy and repetitive positioning accuracy height.

As Fig. 7, material platform mechanism 4 shown in Figure 8, comprise platen 41, the central authorities of platen 41 are equipped with the flanging piece 308 corresponding counterdies 43 with plunger mechanism, counterdie 43 be provided with towards pin 313 corresponding material-dropping holes, be inlaid with a plurality of Rolls 42 on the platen 41, allow processed plate directly not contact with platen, by Roll 42 supportings, can significantly reduce the frictional resistance of processed plate in the feeding process like this, make the finger feed action slimmer and more graceful, response speed is faster, thereby higher production efficiency is provided.

Add man-hour, little slab 5 is put into fuselage 1, be shelved on the platen and support by Roll, it stretches on one side in the chela clamper of two manipulators and by the hydraulic cylinder tip and pushes against, two servomotors in the feed mechanism are transferred little slab 5 and are made it arrive assigned address, carried out punching, taken off material by plunger mechanism again, whole course of action is unified control by the numerical control control module.

Claims

1. feed mechanism that is used for numerical control punching machine, it is characterized in that, comprise base (61), base (61) is gone up by first track (62) slip and is provided with planker (69), first servomotor (64) is installed on the described base (61), first servomotor (64) is connected with first screw mandrel (63) that rotating turret is located on the base (61), and described planker (69) is gone up the fixing feed screw nut who is threaded with first screw mandrel (63); Described planker (69) is gone up by second track (65) slip and is provided with manipulator mount pad (681), at least two manipulators (68) that are used for the processed sheet material of clamping are installed on the manipulator mount pad (681), second servomotor (66) is installed on the described planker (69), second servomotor (66) is connected with second screw mandrel (67) that rotating turret is located on the planker (69), described manipulator mount pad (681) is gone up the fixing feed screw nut who is threaded with second screw mandrel (67), wherein, first track (62) and second track (65) that direction is set is vertical; Described manipulator (68) is installed on the manipulator mount pad (681) by T shape chute and tommyhead bolt; Described manipulator comprises the cylinder block (683) that is installed on the manipulator mount pad (681), be provided with piston (684) in the cylinder block (683), fixedly install piston rod (685) on the piston (684), cylinder block (683) lower end fixedly installs one and is used for the chela (686) that the level pincers are held, and described piston rod (685) lower end is equipped with the taper top (682) that can insert chela (686) clamper.