CN102398020A

CN102398020A - Vehicle crankshaft casting head cutting machine tool

Info

Publication number: CN102398020A
Application number: CN2011103859600A
Authority: CN
Inventors: 陈立新; 王彦峰; 吴广辉; 周国新
Original assignee: CHANGZHOU SANLI PRECISION MACHINE Co Ltd
Current assignee: CHANGZHOU SANLI PRECISION MACHINE Co Ltd
Priority date: 2011-11-29
Filing date: 2011-11-29
Publication date: 2012-04-04
Anticipated expiration: 2031-11-29
Also published as: CN102398020B

Abstract

The invention discloses a vehicle crankshaft casting head cutting machine tool, which is used for cutting the casting heads at the two ends of two vehicle crankshafts which are cast into a whole at the same time, and comprises a bed body and a tank body arranged on the bed body; a working table which can move is arranged on the bed body; a clamping device which is used for positioning and clamping the machined crankshaft castings is arranged on the working table; cutting devices are symmetrically arranged on the two sides, which are parallel to the axes of the crankshafts, of the clamping device; and the cutting devices have four cutting grinding wheels which can feed from the outside to the inside along the radical direction of the two crankshafts to cut the casting heads at the two ends of the crankshafts at the same time. According to the vehicle crankshaft casting head cutting machine tool, two cutting devices are adopted to cut the casting heads of two vehicle crankshafts which are cast into a whole, four cutting blades are fed along the radical direction of the crankshafts at the same time, and through one time of loading, the cutting of the casting heads at the two ends of the two vehicle crankshafts which are cast into a whole is accomplished at one time; and thus, the working efficiency is improved greatly, the loading number of a workpiece is reduce, the labor intensity is reduced, and the requirements for mass operation are met.

Description

Automobile crane gate and riser cutting machine bed

Technical field

The present invention relates to the machining equipment technical field, especially a kind of cutting off machine that is used to cut removal automobile crane dead head.

Background technology

Automobile crane is when casting processing; Be generally one case casting of two bent axles, crankshaft two end is provided with dead head respectively, forms two mo(u)lded pieces that bent axle is a disjunctor; Need could single bent axle be sent into the metal cutting manufacturing procedure with after the excision of the dead head on the disjunctor casting crankshaft.And show when nowadays cutting the crankshaft two end dead head, usual way is behind the good part to be processed of clamping on the cutting machine, the dead head of cutting bent axle one end unclamps clamping device then earlier, and bent axle is turned around, and cuts the dead head of the other end after the clamping again.This cutting mode need ceaselessly clamp, unclamp, turns around when operation, and cutting processing causes operating efficiency lower then, and labour intensity is also big, is unfavorable for producing in enormous quantities operation.

Summary of the invention

The technical problem that the present invention will solve is: overcome the deficiency in the prior art; A kind of automobile crane gate and riser cutting machine bed is provided; Can be simultaneously the dead head at two automobile crane two ends of integrally casting be carried out cutting processing simultaneously; Solve the big problem of inefficiency, labour intensity that exists when cutting the automatic modeling crankshaft casting dead head at present, satisfy the requirement of producing operation in enormous quantities.

The technical solution adopted for the present invention to solve the technical problems is: a kind of automobile crane gate and riser cutting machine bed; Be used for simultaneously the dead head at two automobile crane two ends of integrally casting is carried out cutting processing; Comprise lathe bed and be located at the casing on the lathe bed; Lathe bed is provided with movably workbench; Workbench is provided with the location and clamps the clamping device of automatic modeling crankshaft casting, and the bilateral symmetry that clamping device is parallel to crankshaft center line is provided with cutter sweep, and cutter sweep has along bent axle the abrasive cut-off wheel that the crankshaft two end dead head is cut simultaneously of feeding from outside to inside radially.Through four abrasive cut-off wheels feeding simultaneously cutting, the dead head of crankshaft two end is fallen in the ability fly-cutting.

Particularly; Described cutter sweep comprises main shaft, swing arm and feeding cylinder, and abrasive cut-off wheel is fixed on the main shaft, by the main shaft driven rotary; The swing arm upper end is hinged with casing; The swing arm lower end is connected with main shaft, and the tailpiece of the piston rod of feeding cylinder is connected with swing arm and promotes abrasive cut-off wheel along radially feeding from outside to inside of bent axle, and the tail end of feeding cylinder is hinged on the wall box.The cutting feeding of abrasive cut-off wheel is promoted by the feeding cylinder, and the swing through swing arm realizes.

Also be provided with the back-moving spring that after cutting finishes abrasive cut-off wheel is return fast between described wall box and the main shaft.Back-moving spring fits into the retraction to cylinder simultaneously, makes abrasive cut-off wheel withdraw from the bent axle that is cut fast, improves the circulation rate of technical process.

Described clamping device comprises the positioning seat that is fixed on the workbench, is positioned at the positioning seat top and divides the clamping pressing plate that is located at crankshaft two end neck top; Clamp the pressing plate two ends and have the spacing briquetting identical respectively, clamp on the pressing plate and be connected with the clamping cylinder with the center distance of two bent axles.This structure makes clamping point be positioned at every crankshaft two end neck position, realizes 4 clampings, guarantees to clamp effect.

Described lathe bed is provided with V-type rail, and the workbench bottom surface has the V-type groove that matches with said guide rail, satisfies the straight line fast moving of workbench thus.

Be positioned at the movable workbench direction on the described lathe bed and be provided with positioner, the workbench two ends be fixed with respectively with positioner on locating piece contact and limit the limited block of movable workbench position.Rely on contacting between limited block and the locating piece to put in place, guarantee cutting position accurately.

Described casing is respectively equipped with protective door along the both sides of movable workbench direction, and protective door is provided with the self-locking device of control protective door safe opening after movable workbench puts in place.Only after protective door was effectively closed, cutting processing just can be carried out, and has guaranteed safety in production in assurance thus.

Also be provided with electrical control gear, lubricating arrangement and feeder on the described casing.

The invention has the beneficial effects as follows: the present invention adopts two cover cutter sweeps that two automobile crane dead heads of integrally casting are carried out cutting processing simultaneously; Four abrasive cut-off wheels are realized No. one time clamping simultaneously along the radially cutting of feeding from outside to inside of bent axle, and disposable completion is to the cutting processing of dead head; Greatly improved operating efficiency thus; Reduce the clamping workpiece number of times, alleviated labour intensity, can satisfy the demand of operation in enormous quantities.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention is further specified.

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

Fig. 2 is the left view of Fig. 1.

Fig. 3 is the structural representation of clamping device according to the invention.

Fig. 4 is the left view of Fig. 3.

1. lathe beds, 2. casings, 3. workbench, 31. grooves, 4. clamping devices, 41. positioning seats 42. clamp pressing plate 43. briquettings 44. and clamp cylinder 5. cutter sweeps 51. abrasive cut-off wheels 52. main shafts 53. swing arms 54. feeding cylinders 6. back-moving springs 7. guide rails 8. positioners 81. locating pieces 9. limited blocks 10. protective doors 11. self-locking devices 12. electrical control gears 13. lubricating arrangements 14. feeders 15. bent axles 16. motors 17. driving belts among the figure

The specific embodiment

Combine accompanying drawing and preferred embodiment that the present invention is further described now.These accompanying drawings are only explained basic structure of the present invention in a schematic way, so it only shows the formation relevant with the present invention.

Like Fig. 1～a kind of automobile crane gate and riser cutting machine bed shown in Figure 4; Be used for simultaneously the dead head at two automobile crane 15 two ends of integrally casting is carried out cutting processing; Comprise lathe bed 1, be located at the casing 2 on the lathe bed 1; Bent axle 15 foundry goods to be cut are positioned at casing 2, also are provided with electrical control gear 12, lubricating arrangement 13 and feeder 14 on the casing 2.

Workbench 3; Be arranged on the lathe bed 1, V-type rail 7 is set on lathe bed 1, workbench 3 bottom surfaces have the V-type groove 31 that matches with said guide rail 7; Manual push work platform 3 is slided fast along guide rail 7 straight lines and is passed in and out in the casing 2, realizes cutting operation and the alternate cycles of having cut the back blanking.

Workbench 3 two ends are fixed with limited block 9 respectively; Be positioned at workbench 3 moving directions on the lathe bed 1 and be provided with positioner 8; This positioner 8 has the locating piece 81 that contacts with the limited block 9 at workbench 3 two ends respectively, and after bent axle 15 foundry goods were installed on the workbench 3, workbench 3 moved from casing 2 left sides to the right; When the limited block 9 in workbench 3 left sides contacts with the locating piece 81 in positioner 8 left sides, explain that bent axle 15 foundry goods are in cutting position accurately; Cutting finishes; Push work platform 3 moves to casing 2 left sides, and the limited block 9 on workbench 3 right sides is contacted with the locating piece 81 on positioner 8 right sides, and can unload bent axle 15 foundry goods of well cutting this moment; And load onto new bent axle 15 foundry goods, carry out cutting processing next time.Rely on contacting between limited block 9 and the locating piece 81 to put in place, guarantee the accurate of cutting position.

Described casing 2 is respectively equipped with protective door 10 along the both sides of workbench 3 moving directions, and protective door 10 is provided with control protective door 10 moves into place the back safe opening at workbench 3 self-locking device 11.Only after protective door 10 was effectively closed, cutting processing just can be carried out, and ensures safety in production in assurance thus.

Workbench 3 is provided with the location and clamps the clamping device 4 of bent axle 15 foundry goods to be processed; The bilateral symmetry that clamping device 4 is parallel to said bent axle 15 axis is provided with cutter sweep 5, and the two cover cutter sweeps 5 that are positioned at bent axle 15 foundry goods both sides can carry out cutting processing to bent axle 15 foundry goods simultaneously.

Clamping device 4; Comprise positioning seat 41, two clamping pressing plates 42; Positioning seat 41 is fixed on the workbench 3; Positioning reference on the positioning seat 41 adopts axle journal V-type location, bent axle 15 two ends to add (lappet a bit) locate mode of middle limiting plate control axial distance, and bent axle 15 foundry goods to be processed are positioned over location on the positioning seat 41; Clamp pressing plate 42, be positioned at positioning seat 41 tops and branch and be located at neck top, bent axle 15 two ends, every clamping pressing plate 42 two ends are respectively equipped with briquetting 43; Spacing between two briquettings 43 is identical with the center distance of two bent axles 15, is hinged with one on the every clamping pressing plate 42 and clamps cylinder 44, by clamping cylinder 44 effects; Be pressed on bent axle 15 two ends through clamping the pressing plate 42 synchronous briquettings 43 that promote; Make clamping point be positioned at the axle journal position at bent axle 15 two ends, realize 4 clampings, guarantee to clamp effect.

Cutter sweep 5; Comprise main shaft 52, swing arm 53 and feeding cylinder 54; Be fixed with two phases abrasive cut-off wheel 51 across a certain distance on the main shaft 52; Abrasive cut-off wheel 51 cutting moving directions are corresponding with the dead head position at bent axle 15 foundry goods two ends, and the motor 16 that is installed in casing 2 tops drives main shaft 52 and is fixed on abrasive cut-off wheel 51 high speed rotating on the main shaft 52, swing arm 53 upper ends and 2 hinged connections of casing through driving belt 17; Swing arm 53 lower ends are connected with main shaft 52; The tailpiece of the piston rod of feeding cylinder 54 is connected with swing arm 53, and the tail end of feeding cylinder 54 is hinged to be connected on casing 2 sidewalls, and abrasive cut-off wheel 51 promotes the swing of swing arms 53 by feeding cylinder 54 and realizes along bent axle 15 cutting feeding radially.Two cover cutter sweeps 5 have four abrasive cut-off wheels 51, and the dead head at disjunctor bent axle 15 two ends is fallen in fly-cutting through the 51 feeding cuttings simultaneously of four abrasive cut-off wheels.

In order to adapt to the processing of different length specification bent axle 15, can satisfy split requirement through the spacing between two abrasive cut-off wheels 51 on the manual adjustment main shaft 52.

Also be provided with the back-moving spring 6 that after cutting finishes abrasive cut-off wheel 51 is return fast between described casing 2 sidewalls and the main shaft 52.Back-moving spring 6 fits into the retraction to cylinder 54 simultaneously, and the circulation rate of technical process is improved in bent axle 15 positions that abrasive cut-off wheel 51 withdrawed from fast cut.

The present invention adopts two automobile crane 15 dead heads of 5 pairs of integrally castings of two cover cutter sweeps to carry out cutting processing, and four abrasive cut-off wheels 51 are realized No. one time clamping simultaneously along the radially cutting of feeding from outside to inside of bent axle 15; Disposable completion is to the cutting processing of dead head; Therefore, help increasing work efficiency, reduce the clamping workpiece number of times; Correspondingly alleviate operator's labour intensity, can satisfy the demand of operation in enormous quantities.If localization part of the present invention is improved a little, just can carry out cutting processing to revolution type rod iron, pipe part, the function of use of this product will obtain bigger expansion.

Above-mentioned embodiment only for explanation technical conceive of the present invention and characteristics, can not limit protection scope of the present invention with this, and all equivalences that spirit is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.

Claims

1. automobile crane gate and riser cutting machine bed; Be used for simultaneously the dead head at two automobile cranes (15) two ends of integrally casting is carried out cutting processing; Comprise lathe bed (1) and be located at the casing (2) on the lathe bed (1); Lathe bed (1) is provided with movably workbench (3); It is characterized in that: workbench (3) is provided with the location and clamps the clamping device (4) of processed bent axle (15) foundry goods, and the bilateral symmetry that clamping device (4) is parallel to bent axle (15) axis is provided with cutter sweep (5), and cutter sweep (5) has four abrasive cut-off wheels (51) that bent axle (15) two ends dead head cut simultaneously from outside to inside along bent axle (15) radial feed.

2. automobile crane gate and riser cutting machine bed according to claim 1; It is characterized in that: described cutter sweep (5) comprises main shaft (52), swing arm (53) and feeding cylinder (54); Abrasive cut-off wheel (51) is fixed on the main shaft (52); By main shaft (52) driven rotary, swing arm (53) upper end is hinged with casing (2), and swing arm (3) lower end is connected with main shaft (52); The tailpiece of the piston rod of feeding cylinder (54) is connected with swing arm (53) and promotes abrasive cut-off wheel (51) along bent axle (15) radial feed, being hinged on casing (2) sidewall of feeding cylinder (54).

3. automobile crane gate and riser cutting machine bed according to claim 2 is characterized in that: also be provided with the back-moving spring (6) that after cutting finishes abrasive cut-off wheel (51) is return fast between described casing (2) sidewall and the main shaft (52).

4. automobile crane gate and riser cutting machine bed according to claim 1; It is characterized in that: described clamping device (4) comprises the positioning seat (41) that is fixed on the workbench (3), is positioned at positioning seat (41) top and divides the clamping pressing plate (42) that is located at bent axle (15) two ends neck; Clamp pressing plate (42) two ends and have the spacing briquetting (43) identical respectively, clamp and be hinged with clamping cylinder (44) on the pressing plate (42) with the center distance of two bent axles (15).

5. automobile crane gate and riser cutting machine bed according to claim 1 is characterized in that: described lathe bed (1) is provided with V-type rail (7), and workbench (3) bottom surface has the V-type groove (31) that matches with said guide rail (7).

6. automobile crane gate and riser cutting machine bed according to claim 5; It is characterized in that: described lathe bed (1) upper edge workbench (3) moving direction is provided with positioner (8), workbench (3) two ends be fixed with respectively with positioner (8) on locating piece (81) contact and limit the limited block (9) of workbench (3) shift position.

7. automobile crane gate and riser cutting machine bed according to claim 6; It is characterized in that: described casing (2) is respectively equipped with protective door (10) along the both sides of workbench (3) moving direction, and protective door (10) is provided with control protective door (10) moves into place the back safe opening at workbench (3) self-locking device (11).

8. automobile crane gate and riser cutting machine bed according to claim 1 is characterized in that: also be provided with electrical control gear (12), lubricating arrangement (13) and feeder (14) on the described casing (2).