CN201186363Y

CN201186363Y - Tube-cutting machine tool

Info

Publication number: CN201186363Y
Application number: CNU2008200222261U
Authority: CN
Inventors: 赵胜林; 侯志清; 王建立
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-05-13
Filing date: 2008-05-13
Publication date: 2009-01-28
Anticipated expiration: 2018-05-13

Abstract

The utility model discloses a tube-cutting machine tool, which comprises a machine tool body, wherein a spindle box, a main motor, a feeding device and a clamping device are installed on the machine tool body, wherein a main shaft and a driving shaft are installed in the spindle box, the main motor is connected with the driving shaft through a driving device, a first main driving helical gear and a first cutter feeding helical gear are installed on the main shaft, a cutter head is installed on one end of the main shaft, a cutter is installed on the cutter head, a second driving helical gear and a second cutter feeding helical gear are installed on the driving shaft, wherein a cutter feeding box is installed on the driving shaft, a cutter feeding power and a transport device are installed on the machine tool body, wherein the cutter feeding power and the transport device are connected with the cutter feeding box, a first cutter feeding driving block is installed on the first cutter feeding helical gear, a second cutter feeding driving block is installed on the cutter head, and a driving deviator is arranged between the first cutter feeding driving block and the second cutter feeding driving block. The tube-cutting machine tool can realize the automatic feeding, the automatic cutting length, the automatic clamping, and the cutter can be automatically fed and moved back, after the processing, the clamping device is automatically released, and the finished products can be automatically transferred, and the work efficiency is greatly improved.

Description

A kind of pipe cutting machine tool

Technical field

The utility model relates to the mechanical device field, specifically is a kind of pipe cutting machine tool.

Background technology

At present, pipe cutting machine tool is the machine tool that arrives commonly used in a kind of industrial production, and he can cut tubing.General pipe cutting machine tool all is the cutter transfixion on the market now, and tubing to be cut is rotated, and cuts then, and this has just caused in the tubing rotation, the waste of part energy.Simultaneously, the cutting precision of existing pipe cutting machine is lower, and the precision and the efficient of feeding are lower, finally cause yield rate low.

Summary of the invention

The purpose of this utility model provides a kind of pipe cutting machine tool, and during cutting, cutter rotates at a high speed with main shaft, and it is motionless that tubing to be cut keeps, and saved energy, significantly improved cutting precision and efficient, pushing precision and efficient height, final finished rate height simultaneously.

The utility model for achieving the above object, be achieved through the following technical solutions: a kind of pipe cutting machine tool, comprise lathe bed body, on the lathe bed body main spindle box is installed, main motor, pay-off and gripping mechanism, main shaft and power transmission shaft are installed in the main spindle box, main motor is connected with power transmission shaft by transmission device, the first main transmission helical gear and the first feed helical gear are installed on the main shaft, between the first feed helical gear and main shaft bearing is set, main shaft one end is installed cutterhead, mounting cutter on the cutterhead, the second main transmission helical gear and the second feed helical gear are installed on the power transmission shaft, the second main transmission helical gear and the engagement of the first main transmission helical gear, the second feed helical gear and the engagement of the first feed helical gear, the second main transmission helical gear is opposite with the helical gear rotation direction of second feed, be installed into girff on the power transmission shaft, on the lathe bed body feed power and transmitting device are set, feed power and transmitting device are connected with feed change, the first feed drive block is installed on the first feed helical gear, the second feed drive block is installed on the cutterhead, between the first feed drive block and the second feed drive block transmission deviator is set.

The utility model is further characterized in that: the transmission deviator is a cam block, the cam block axle is installed on the cam block, the cam block axle is fixed on the cutterhead, offer first groove and second groove on the cam block, place the first feed drive block in first groove, place the second feed drive block in second groove.Pay-off comprises feeding trolley and feeding power and transmitting device, places feeding trolley on the lathe bed body, and chucking hydraulic cylinder and chucking arm are installed on the feeding trolley, between feeding trolley and main spindle box stock stop is set.Lathe bed body upper mounting rail is placed feeding trolley on the guide rail.Feeding power and transmitting device are feeding servomotor and feeding ball-screw, and the feeding servomotor is connected with the feeding ball-screw by transmission device, and the feeding ball-screw is connected with feeding trolley.Feed power and transmitting device are feed servomotor, feed ball-screw, feed slide block and feed arm, feed ball-screw and feed arm are installed respectively on the lathe bed body, the feed servomotor is connected with the feed ball-screw by transmission device, the feed slide block is installed on the feed ball-screw, the feed slide block is connected with feed arm one end, and the feed arm other end is connected with feed change.On the lathe bed body conveyer belt is installed, conveyer belt is positioned at the main spindle box rear side, and conveyer belt one side is installed marking press, and the conveyer belt opposite side is installed the pusher arm, and the pusher arm is corresponding with the feeding mouth of marking press.Gripping mechanism is rigidity jig and elasticity jig, the rigidity jig is positioned at the main spindle box front portion, and the elasticity jig is installed on the main spindle box, and first hydraulic cylinder and second hydraulic cylinder are set respectively on the lathe bed body, first hydraulic cylinder is connected with the rigidity jig, and second hydraulic cylinder is connected with the elasticity jig.The tailing material-receiving device is installed on the lathe bed body, and the tailing material-receiving device is positioned at the position near feeding trolley.On the lathe bed body control computer is set, the control computer is connected with second hydraulic cylinder with chucking hydraulic cylinder, stock stop, feeding servomotor, feed servomotor, first hydraulic cylinder by lead respectively.

Advantage of the present utility model is: cutter rotation in the use, and tubing is motionless, has saved the required power of tubing rotation, good energy-conserving effect; Pushing precision and feeding efficient have been improved; Cutting rotational speeds is improved, and has significantly improved stock-removing efficiency; Adopt that gear is differential finishes feed, simple for structure rationally, easy and simple to handle; Can realize computer control, realize automation.The utility model can be realized self-feeding, automatic gauging, clamping automatically, and cutter can autofeed and withdrawing, and the processing rear fixture unclamps automatically, the automatic transport finished product moves in circles, thereby realizes continuous, automation processing, significantly improve operating efficiency, alleviated labour intensity.

Description of drawings

Accompanying drawing 1 is a main TV structure schematic diagram of the present utility model; Accompanying drawing 2 is plan structure schematic diagrames of accompanying drawing 1; Accompanying drawing 3 be in the accompanying drawing 1 A-A to analysing and observe the structure for amplifying schematic diagram; Accompanying drawing 4 be in the accompanying drawing 3 B to structural representation; Accompanying drawing 5 is the utility model middle gear difference structure principle schematic; Accompanying drawing 6 is local structure for amplifying schematic diagrames of I portion in the accompanying drawing 5; Accompanying drawing 7 is left TV structure schematic diagrames of accompanying drawing 1; Accompanying drawing 8 is right TV structure schematic diagrames of accompanying drawing 1.

The specific embodiment

A kind of pipe cutting machine tool, comprise lathe bed body 43, main spindle box 30, main motor 1, pay-off and gripping mechanism are installed on the lathe bed body 43, main shaft 28 and power transmission shaft 46 are installed in the main spindle box 30, main motor 1 is connected with power transmission shaft 4 by transmission device, main motor 1 can be connected with power transmission shaft 46 by gear drive, also can be connected with power transmission shaft 4 by driving-belt.The first main transmission helical gear 29 and the first feed helical gear 27 are installed on the

main shaft

28,28 on the first feed helical gear 27 and main shaft are provided with bearing, main shaft 28 1 ends are installed cutterhead 26, mounting cutter 45 on the cutterhead 26, the second main transmission helical gear 19 and the second feed helical gear 21 are installed on the power transmission shaft 46, the second main transmission

helical gear

19 and 29 engagements of the first main transmission helical gear, the second feed

helical gear

21 and 27 engagements of the first feed helical gear, the second main transmission helical gear 19 is opposite with the rotation direction of the second feed helical gear 21, in order to ensure feed and withdrawing precision, the second main transmission helical gear 19 is identical with the number of teeth of the second feed helical gear 21.Be installed into girff 20 on the power transmission shaft 46, on the lathe bed body 43 feed power and transmitting device are set, feed power and transmitting device are connected with feed change 20, the first feed drive block 23 is installed on the first feed helical gear 27, the second feed drive block 48 is set on the cutterhead 26, the second feed drive block 48 is connected with cutter 45, and the first feed drive block 23 is connected with the second feed drive block 48 by the transmission deviator.

The transmission deviator has multiple structure, for example can adopt round slider or rectangle slide block to carry out the transmission break-in, the preferred transmission deviator of the utility model is a cam block 49, cam block axle 50 is installed on the cam block 49, cam block axle 50 is fixed on the cutterhead 26, offer first groove 51 and second groove 52 on the cam block 49,

first groove

51 and 52 angles of second groove can be 60 ° or 120 °,

first groove

51 and 52 angles of second groove are preferably 90 °, displacement is more accurate when radially displacement is changed from circumferential displacement like this, and the feed of cutter 45 more accurately fast.Place in first groove 51 in the first feed drive block, 23, the second grooves 52 and place the second feed drive block 48.In order to guarantee when main shaft 28 rotates, cutterhead 26 drives the first feed helical gear 27 and rotates synchronously with main shaft 28, end at cam block 49 is provided with limited block 54, limited block 54 be positioned at away from an end of main shaft 28 direction of rotation, drive cutterhead 26 rotations when main shaft 28 rotates like this, cutterhead 26 drives the first feed helical gear 27 by the limited block 54 and the first feed drive block 23 and rotates.

Shown in a kind of embodiment theory structure shown in the accompanying drawing 5, during operate as normal, main shaft 28 is by power transmission shaft 46 transmissions rotation, and cutterhead 26 rotates synchronously with main shaft 28, and cutterhead 26 rotates with main shaft 28 synchronously by the cam block 49 and the first feed helical gear 27.When the needs feed, feed power and transmitting device drive feed change 20 distance that moves right, because the rotation direction of the second main transmission helical gear 19 is that rotation direction left-handed, the first main transmission helical gear 29 is dextrorotation, the first main transmission helical gear 29 will turn clockwise certain angle relatively owing to moving right of the second main transmission helical gear 19 this moment.Equally, because the rotation direction of the second feed helical gear 21 is dextrorotation, the rotation direction of the first feed helical gear 27 is left-handed, the first feed helical gear 27 will be rotated counterclockwise certain angle relatively owing to moving right of the second feed helical gear 21, this moment second, feed helical gear 21 drove the first feed drive block 23 certain distance that turns clockwise, the first feed drive block 23 is stirred cam block 49, cam block 49 is around 50 rotations of cam block axle, thereby drive the second feed drive block 48 and move radially certain displacement along cutterhead, the second feed drive block, the 48 final cutters 45 that drive move, thereby realize circular motion to the radially transformation of motion, the realization feed.Same principle, when the needs withdrawing, feed power and transmitting device drive feed change 20 and are moved to the left a distance, both can realize withdrawing.Present embodiment is a kind of of the utility model feed mode, and the rotation direction of feed and travelling gear can have multiple cooperation, and only the satisfied second main transmission helical gear 19 of need is opposite with the rotation direction of the second feed helical gear 21, the number of teeth is identical gets final product.

In the utility model, cutter 45 can be set to 2 or 4, and preferred version is that 3 cover cutters 45 evenly are set on cutterhead 26 circumference, and this moment, cutter 45 location centering were more accurate, the stock-removing efficiency height.Every cover cutter is relative set one the cover first feed drive block 23, the second feed drive block 48 and cam block 49 respectively, and its structure and annexation are with above-mentioned embodiment.

Pay-off has a lot of structures, for example can adopt artificial feeding or conveyer belt feeding, the utility model provides the pay-off that a kind of feeding is accurate, can control automatically, pay-off comprises feeding trolley 11 and feeding power and transmitting device, place feeding trolley 11 on the lathe bed body 43, chucking hydraulic cylinder 13 and chucking arm 14 are installed on the

feeding trolley

11, and 30 of feeding trolley 11 and main spindle boxes are provided with stock stop 36.Supporting material roller 12 is installed on the feeding trolley 11.

In order to guarantee the accuracy in the feeding trolley 11 feeding processes,, place feeding trolley 11 on the guide rail 53 at lathe bed body 43 upper mounting rails 53.Can guarantee that like this feeding trolley 11 offset deviation can not occur, improve pushing precision.

Feeding power and transmitting device can have multiple, for example adopt hydraulic motor to provide power to cooperate hydraulic drive or employing motor that the transmission of power mate gear is provided, the utility model provides a kind of feeding accurate, free of contamination feeding power and transmitting device, he provides power to cooperate feeding ball-screw 10 transferring power by feeding servomotor 7, feeding ball-screw 10 is installed on the lathe bed body 43, feeding servomotor 7 is connected with feeding ball-screw 10 by transmission devices such as gear or driving-belts, and feeding ball-screw 10 is connected with feeding trolley 11.Feeding servomotor 7 is opened, and controls feeding trolley 11 displacements accurately thereby drive 10 rotations of feeding ball-screw, has improved pushing precision.Adopt simultaneously and send Servomotor 7 and feeding ball-screw 10 can not produce a large amount of oil pollution environment as hydraulic means, help improving working environment.

Feeding power and transmitting device can have multiple, for example adopt hydraulic motor to provide power to cooperate hydraulic drive or employing motor that the transmission of power mate gear is provided, the utility model provides a kind of feeding accurate, free of contamination feeding power and transmitting device, feed power and transmitting device are feed servomotors 38, feed ball-screw 40, feed slide block 39 and feed arm 6, feed ball-screw 40 and feed arm 6 are installed respectively on the lathe bed body 43, feed servomotor 38 is connected with feed ball-screw 40 by transmission devices such as gear or driving-belts, feed slide block 39 is installed on the feed ball-screw 40, feed slide block 39 is connected with feed arm 6 one ends, and feed arm 6 other ends are connected with feed change 20.

For the ease of cutting transporting of back finished product, conveyer belt 16 is installed on lathe bed body 43, conveyer belt 16 is positioned at main spindle box 30 rear sides.Tubing cutting back generally needs impression character, the foregoing description combination

Embodiment constitutes new embodiment, in conveyer belt 16 1 sides marking press 47 is installed, and conveyer belt 16 opposite sides are installed pusher arm 17, and pusher arm 17 is corresponding with the feeding mouth of marking press 47.Finished product tubing is sent to pusher arm 17 places through conveyer belt 16, and pusher arm 17 pushes finished product tubing in the marking press 47 and impresses character.

Gripping mechanism can have multiple structure, single rigidity jig or two rigidity jigs for example are set, the utility model provides a kind of accurate positioning, the effective gripping mechanism of chucking, the gripping mechanism that adopts rigidity jig 15 and elasticity jig 24 to be used, rigidity jig 15 is positioned at main spindle box 30 front portions, elasticity jig 24 is installed on the main spindle box 30, first hydraulic cylinder 18 and second hydraulic cylinder 31 are set respectively on the lathe bed body 43, first hydraulic cylinder 18 is connected with rigidity jig 15, and second hydraulic cylinder 31 is connected with elasticity jig 24.Rigidity jig 15 can be accurately to the tubing location, elasticity jig 24 can block the finished product part of tubing, can assist location, when cutting, fix the finished product part simultaneously.

Tailing material-receiving device 37 is installed on the lathe bed body 43, and tailing material-receiving device 37 is positioned at the position near feeding trolley 11.Tailing material-receiving device 37 can be a hang plate, also can be conveyer belt.Tailing material-receiving device 37 is sent to the storing place with surplus material, reduces the time of artificial treatment tailing.

For realizing automation control, control computer 55 is set on lathe bed body 43, and control computer 55 is connected with second hydraulic cylinder 31 with chucking hydraulic cylinder 13, stock stop 36, feeding servomotor 7, feed servomotor 38, first hydraulic cylinder 18 by lead respectively.Adopt 55 pairs of whole lathes of control computer to control, can guarantee Pipe Cutting length and feed precision, Pipe Cutting length precision is controlled in the 0.1mm, make blank precision height, the fracture up rightness is good.

During the utility model feeding, tubing is put on the feeding trolley 11 on the chucking arm 14, chucking hydraulic cylinder 13 control chucking arms 14 chucking tubing are opened feeding servomotor 7 control feeding trolleys 11 and are moved, and tubing is run into stock stop 36 on the feeding trolley 11, feeding trolley 11 is the location origin position automatically, stock stop 36 is opened then, and feeding trolley 11 is according to the pre-booking process feeding, after cutting position is subscribed in arrival, first hydraulic cylinder, 18 control rigidity jigs 15 clamp tubing, accurately the location.Second hydraulic cylinder, 31 control elasticity jigs 24 are clamped tubing, assist location simultaneously.After clamping and positioning finished, chucking hydraulic cylinder 13 control chucking arms 14 were opened, and feeding trolley 11 tightens arm 14 then and clamps tubing once more according to returning a long position of material behind the pre-booking process.After to be cut the finishing, rigidity jig 15 unclamps tubing, and elasticity jig 24 unclamps finished product, and finished product is fallen to be sent on the marking press 47 on the conveyer belt 16 and impressed character.Feeding trolley 11 continues to press the pre-booking process feeding, and is so repeatedly, long up to the not enough material of pipe length, unclamp on the chucking arm 14, clout falls into tailing material-receiving device 37, and recovery is deposited, new tubing can put on the feeding trolley 11 then, proceeded processing.

Claims

1, a kind of pipe cutting machine tool, comprise lathe bed body (43), it is characterized in that: lathe bed body (43) is gone up main spindle box (30) is installed, main motor (1), pay-off and gripping mechanism, main shaft (28) and power transmission shaft (46) are installed in the main spindle box (30), main motor (1) is connected with power transmission shaft (46) by transmission device, main shaft (28) is gone up the first main transmission helical gear (29) and the first feed helical gear (27) is installed, between the first feed helical gear (27) and main shaft (28) bearing is set, main shaft (28) one ends are installed cutterhead (26), cutterhead (26) is gone up mounting cutter (45), power transmission shaft (46) is gone up the second main transmission helical gear (19) and the second feed helical gear (21) is installed, the second main transmission helical gear (19) and the engagement of the first main transmission helical gear (29), the second feed helical gear (21) and the engagement of the first feed helical gear (27), the second main transmission helical gear (19) is opposite with the rotation direction of the second feed helical gear (21), be installed into girff (20) on the power transmission shaft (46), on the lathe bed body (43) feed power and transmitting device are set, feed power and transmitting device are connected with feed change (20), the first feed helical gear (27) is gone up the first feed drive block (23) is installed, cutterhead (26) is gone up the second feed drive block (48) is installed, and between the first feed drive block (23) and the second feed drive block (48) the transmission deviator is set.

2, a kind of pipe cutting machine tool according to claim 1, it is characterized in that: the transmission deviator is cam block (49), cam block (49) is gone up cam block axle (50) is installed, cam block axle (50) is fixed on the cutterhead (26), offer first groove (51) and second groove (52) on the cam block (49), place the first feed drive block (23) in first groove (51), place the second feed drive block (48) in second groove (52).

3, a kind of pipe cutting machine tool according to claim 1, it is characterized in that: pay-off comprises feeding trolley (11) and feeding power and transmitting device, lathe bed body (43) is gone up and is placed feeding trolley (11), feeding trolley (11) is gone up chucking hydraulic cylinder (13) and chucking arm (14) is installed, and between feeding trolley (11) and main spindle box (30) stock stop (36) is set.

4, a kind of pipe cutting machine tool according to claim 3 is characterized in that: lathe bed body (43) upper mounting rail (53), guide rail (53) are gone up and are placed feeding trolley (11).

5, a kind of pipe cutting machine tool according to claim 3, it is characterized in that: feeding power and transmitting device are feeding servomotor (7) and feeding ball-screw (10), feeding servomotor (7) is connected with feeding ball-screw (10) by transmission device, and feeding ball-screw (10) is connected with feeding trolley (11).

6, a kind of pipe cutting machine tool according to claim 1, it is characterized in that: feed power and transmitting device are feed servomotor (38), feed ball-screw (40), feed slide block (39) and feed arm (6), feed ball-screw (40) and feed arm (6) are installed respectively on the lathe bed body (43), feed servomotor (38) is connected with feed ball-screw (40) by transmission device, feed ball-screw (40) is gone up feed slide block (39) is installed, feed slide block (39) is connected with feed arm (6) one ends, and feed arm (6) other end is connected with feed change (20).

7, a kind of pipe cutting machine tool according to claim 1, it is characterized in that: lathe bed body (43) is gone up conveyer belt (16) is installed, conveyer belt (16) is positioned at main spindle box (30) rear side, conveyer belt (16) one sides are installed marking press (47), conveyer belt (16) opposite side is installed pusher arm (17), and pusher arm (17) is corresponding with the feeding mouth of marking press (47).

8, a kind of pipe cutting machine tool according to claim 1, it is characterized in that: gripping mechanism is rigidity jig (15) and elasticity jig (24), rigidity jig (15) is positioned at main spindle box (30) front portion, main spindle box (30) is gone up elasticity jig (24) is installed, first hydraulic cylinder (18) and second hydraulic cylinder (31) are set respectively on the lathe bed body (43), first hydraulic cylinder (18) is connected with rigidity jig (15), and second hydraulic cylinder (31) is connected with elasticity jig (24).

9, according to claim 3,4 or 5 each described a kind of pipe cutting machine tools, it is characterized in that: lathe bed body (43) is gone up tailing material-receiving device (37) is installed, and tailing material-receiving device (37) is positioned at the position near feeding trolley (11).

10, according to claim 1,3,5,6 or 8 each described a kind of pipe cutting machine tools, it is characterized in that: control computer (55) is set on the lathe bed body (43), and control computer (55) is connected with second hydraulic cylinder (31) with chucking hydraulic cylinder (13), stock stop (36), feeding servomotor (7), feed servomotor (38), first hydraulic cylinder (18) by lead respectively.