CN2269268Y

CN2269268Y - Multifunctional metal cutting machine tool

Info

Publication number: CN2269268Y
Application number: CN 96234821
Authority: CN
Inventors: 邓肃承
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-05-09
Filing date: 1996-05-09
Publication date: 1997-12-03
Anticipated expiration: 2006-05-09

Abstract

The utility model relates to a multifunctional metal cutting machine tool, which is formed by the improvement of an engine lathe. The utility model has the structure that a headstock is arranged on two cylindrical slide rail pairs; a screw rod and screw nut control mechanism causing the headstock to lift up and down is arranged between the cylindrical slide rail pairs. A big carriage is provided with a medium tool carriage with a T-shaped-groove and larger area. The other end of a machine tool body is provided with a tailstock used for boring machine and the tailstock is capable of lifting. The other end of the machine tool body is also provided with accessories, such as a universal working head, etc. The utility model has the advantages that a large-sized workpiece can be processed, the machining precision is high, one machine with multifunction can be realized, the processes, such as turning, milling, boring, slotting, grinding, drilling, etc. can be realized, the cost is low, and the metal cutting machine tool is especially suitable for the use of mobile companies, such as repairing trade, geological exploration, etc.

Description

The multifunctional metal cutting lathe

A kind of device that is used for metal cutting processing.

At present, all there is the single defective of purposes in various universal machine tools: lathe can only turning, and milling machine can only milling, boring machine can only bore hole ... and can not process the bigger workpiece of diameter." Large Machining Center " of Chu Xianing costs an arm and a leg though can accomplish a tractor serves several purposes in recent years, takes up an area of power consumption, in being not suitable for, small enterprise and repairing trades use.

In order to process the bigger workpiece of diameter, a kind of headstock once occurring can be along the lathe of vertical dovetail groove oscilaltion.Because dovetail groove is subjected to the comprehensively effects of moment such as bending during work, cause that headstock spindle center line height, front and back position come and go.Be difficult to accurately calculate and measure, therefore seriously influence machining accuracy.

The purpose of this utility model provides a kind of multifunctional metal cutting lathe, accomplishes to process the bigger workpiece of diameter, and the machining accuracy height; Multi-functional machine can realize operations such as turning, milling, bore hole, slotting, grinding, boring, the tool low price, and production cost is low.

The purpose of this utility model is carried out following improvement to engine lathe and is realized:

1, headstock is supported on two cylindrical slideway pairs, guideway embeds in the lathe bed circular guide holes, can lock the screw of guideway or the lever of cam mechanism and be positioned on the feed change unit.The screw rod that can make the headstock oscilaltion is installed between the guideway, and the screw rod below is with the nut that the end is a bevel gear, and on the active umbrella gear shaft that the nut bevel gear is meshed handwheel is housed, and handwheel is positioned on the feed change unit.Operation principle is: rotate handwheel, do the horizontal direction rotation by the moving nut of bevel gear subband, the rotation of nut forces the screw rod straight-line displacement, the headstock thereupon oscilaltion affixed with screw rod.When headstock spindle is centered close to highly, lock two guideways respectively with lever, so headstock steadily is located on two cylindrical slideway pairs.Because the headstock spindle position of center line can accurately be determined, therefore can improve machining accuracy.

In order not influence the lifting of headstock, the transmission device between main motor and the headstock is with the breast wheel belt drive unit instead, the transmission device between headstock and the feed change unit makes wounded in the battle key shaft bevel gear transmission device into.Promptly between main motor pulley and headstock belt pulley, increase a unsettled counter pulley, the upper support bar two ends are hinged on respectively on the axostylus axostyle of headstock belt pulley and counter pulley, and the lower support bar two ends are hinged on respectively on the axostylus axostyle of counter pulley and main motor pulley.When the headstock oscilaltion, counter pulley is turned right or past moving left thereupon, to adapt to the variation of upper and lower two pulley centers.In addition, enter on the cutter output shaft at headstock the bevel gear pair is installed, its horizontal bevel gear central authorities are installed with splined shaft, and the splined shaft lower end is stretched in the feed change unit and bevel gear is housed, and is with left and right bevel gear on the feed change unit power shaft.Left and right bevel gear is by the engagement that can realize respectively with splined shaft lower end bevel gear of moving on axle, thus drive feed change unit power shaft forward or reverse.When the headstock oscilaltion, horizontal bevel gear slides up and down along splined shaft in the headstock.

2, the middle carriage on the former lathe feed support is made to install into the workbench of workpiece, promptly suitably increase the area of middle carriage, and on middle carriage, process many T type grooves.

3, tailstock is used the tailstock of using on the boring machine instead, but i.e. tailstock oscilaltion, so that match with headstock.

4, for expanded functionality, existing " universal milling head " on the market transformed, make " the omnipotent working head " that match with the utility model as annex.Its concrete structure is that shell is made up of the pedestal of flanged dish and the matrix that can rotate in pedestal, the pedestal end has the input main shaft that can insert headstock spindle, be equipped with and import the mutually perpendicular working shaft of main shaft on the matrix, the input main shaft is by the moving working shaft of bevel gear subband.Also be connected with sector gear on the input main shaft, the tooth bar that matches with sector gear is installed on the matrix, and there is return spring its upper end.

The operation principle that omnipotent working head is used for slotting is as follows: the input main shaft drives the sector gear rotation, when sector and tooth bar engagement, forces tooth bar to produce straight-line displacement; When sector gear turns over certain angle, when sector was thrown off tooth bar, tooth bar resetted under the effect of return spring, promptly finishes the slotting process one time.What be worth proposition is sector gear to be installed must to be passed through dynamic balance running, the stability of assurance work later on.Omnipotent working head is not used in slotting and is used for other and adds man-hour, tooth bar and return spring must be taken off.Generally take off in advance, refill when being used for slotting.

Every purposes of the present utility model and operation principle are as follows:

1, turning

If workpiece is installed on the headstock spindle by chuck, cutter is installed on the middle carriage by small tool, and the utility model using method is just the same with engine lathe.Because the adjustable height of headstock, but so bigger workpiece of the utility model turning diameter.

2, for sleeping in milling

If short sword bar milling cutter is directly fixed on the headstock spindle, it is on the workbench that workpiece is installed in middle carriage, and because milling cutter can move up and down with headstock, workpiece does not seesaw with middle carriage for that, middle carriage is with the saddle side-to-side movement, and complicated three-dimensional is for sleeping in mills so can form.

If rimmer knife bar milling cutter one end is fixed on the headstock spindle, the other end is fixed on the tailstock, and workpiece is installed on the middle carriage, can realize two-dimentional for sleeping in milling so.

3, bore hole

If boring cutter bar is directly fixed on the headstock spindle, workpiece is installed on the middle carriage, and the utility model using method is just the same with common boring machine.

4, grinding

If workpiece is installed on the headstock spindle by chuck, electronic or pneumatic grinding machine head is contained on the middle carriage, so can the grinding cylindrical, endoporus, utilize forming grinding wheel can be ground to profile and Special-Shaped Surface.

5, vertical milling

Omnipotent working head at first is installed, is about to omnipotent working head input main shaft and inserts headstock spindle and tighten up, the pedestal ring flange is fixed on the headstock with screw with screw rod.If milling cutter is installed in the universal table working shaft, workpiece is contained on the middle carriage, and the utility model using method is just the same with vertical knee-type milling machine.Because working shaft can also be with matrix together around the input main axis rotation.So any spatial form of millable system.

6, boring

If load onto omnipotent working head, will bore cutters such as flower, reamer and be installed in the working shaft, workpiece is installed on the middle carriage, and the utility model just can be holed, ream as vertical milling.

7, slotting

If load onto the omnipotent working head that tooth bar and back-moving spring have installed, cutter is fixed on the tooth bar, workpiece is contained on the middle carriage, and the utility model just can carry out slotting processing.

In a word, compared with prior art, it is many to the utlity model has function, but machining large workpiece, machining accuracy height, and the characteristics that production cost is low are particularly suitable for mobile unit such as repairing trades and geological prospecting and use.

Fig. 1 is a multifunctional metal cutting machine tool structure schematic diagram

Fig. 2 is that omnipotent working head master cuts open schematic diagram

Fig. 3 is that omnipotent working head A is to profile

Fig. 4 is a band breast wheel belt drive unit schematic diagram

Fig. 5 is wounded in the battle key shaft bevel gear transmission device schematic diagram

Describe concrete structure of the present utility model in detail below in conjunction with accompanying drawing embodiment.

As shown in Figure 1, the utility model comprises the lathe bed 1 that engine lathe has, headstock 2, saddle 3, feed change unit 4 and delivering gear, its difference is that headstock 2 is supported on two cylindrical slideway pairs 5, guideway 5 embeds in the circular guide holes of lathe bed 1, can lock the screw of guideway 5 or the lever 6 of cam lock mechanism is positioned on the feed change unit 4, the screw rod 7 that can make headstock 2 oscilaltions is arranged between the guideway 5, screw rod 7 belows are with the nut that the end is a bevel gear, with on the active umbrella gear shaft that the nut bevel gear is meshed handwheel 8 is housed, handwheel 8 is positioned on the feed change unit 4, the bigger middle carriage 10 of area of band T type groove is housed on the saddle 3, and lathe bed 1 other end is equipped with the liftable boring machine of tailstock tailstock 11.

In order further to enlarge purposes, the utility model also is furnished with as Fig. 2, omnipotent working head 9 shown in Figure 3, its shell is made up of the pedestal 91 of flanged dish and the matrix 98 that can rotate in pedestal 91, pedestal 91 ends have the input main shaft 92 that can insert headstock spindle 21, be equipped with and import main shaft 92 mutually perpendicular working shafts 96 on the matrix 98, input main shaft 92 drives working shaft 96 by bevel gear secondary 97, also be connected with sector gear 95 on the input main shaft 92, the tooth bar 94 that matches with sector gear 95 is installed on the matrix 98, and there is return spring 93 its upper end.

In order not influence the lifting of headstock 2, band breast wheel belt drive unit is housed between main motor 15 and headstock 2, wounded in the battle key shaft bevel gear transmission device is installed, respectively as Fig. 4, shown in Figure 5 between headstock 2 and feed change unit 4.

As shown in Figure 4, between the belt pulley 16 of headstock belt pulley 22 and main motor 15 counter pulley 12 is arranged, upper support bar 13 two ends are hinged on respectively on the axostylus axostyle of belt pulley 22 and counter pulley 12.Lower support bar 14 is hinged on respectively on the axostylus axostyle of counter pulley 12 and belt pulley 16.Along with the rising or the decline of headstock belt pulley 22, counter pulley 12 moves right or is moved to the left.

As shown in Figure 5, feed output shaft 23 is equipped with intermeshing bevel gear 24 and level place bevel gear 25 in the headstock 2, horizontal bevel gear 25 central authorities are installed with splined shaft 42, splined shaft 42 lower ends penetrate in the feed change unit 4 and bevel gear 43 are housed, and can be respectively be enclosed within the feed change unit 4 on the feed power shafts 46 with the left and

right bevel gear

44 and 45 of bevel gear 43 engagements.When left and

right bevel gear

44 and 45 is mobile on feed power shaft 46, can meshes with bevel gear 43 respectively, thereby drive feed power shaft 46 forward or reverse.When headstock 2 oscilaltions, horizontal bevel gear 25 moves up and down along splined shaft 42.

Claims

1, a kind of multifunctional metal cutting lathe, it comprises the lathe bed (1) that engine lathe has, headstock (2), saddle (3), feed change unit (4) and delivering gear, it is characterized in that headstock (2) is supported on two cylindrical slideway pairs (5), guideway (5) embeds in the circular guide holes of lathe bed (1), can lock the screw of guideway (5) or the lever (6) of cam lock mechanism is positioned on the feed change unit (4), the screw rod (7) that can make headstock (2) oscilaltion is arranged between the guideway (5), screw rod (7) below is with the nut that the end is a bevel gear, with on the active umbrella gear shaft that the nut bevel gear is meshed handwheel (8) is housed, handwheel (8) is positioned on the feed change unit on (4), the bigger middle carriage (10) of area of band T type groove is housed on the saddle (3), lathe bed (1) other end is equipped with the liftable boring machine of tailstock tailstock (11), adopt band breast wheel belt drive unit between main motor (15) and the headstock (2), adopt wounded in the battle key shaft bevel gear transmission device between headstock (2) and the feed change unit (4).

2, multifunctional metal cutting lathe according to claim 1 is characterized in that having the annex that can be contained on the headstock (2)---omnipotent working head (9).

3, multifunctional metal cutting lathe according to claim 1 and 2, the shell that it is characterized in that omnipotent working head (9) is made up of the pedestal (91) of flanged dish and the matrix (98) that can rotate in pedestal (91), pedestal (91) end has the input main shaft (92) that can insert headstock spindle (21), the mutually perpendicular working shaft of main shaft (92) (96) is installed and imports on the matrix (98), input main shaft (92) drives working shaft (96) by bevel gear pair (97), also be connected with sector gear (95) on the input main shaft (92), the tooth bar (94) that matches with sector gear (95) is installed on the matrix (98), and there is return spring (93) its upper end.

4, multifunctional metal cutting lathe according to claim 1, it is characterized in that being with breast wheel belt drive unit structure as follows: between headstock belt pulley (22) and main motor (15) belt pulley (16) counter pulley (12) to be arranged, support bar (13) two ends are hinged on respectively on the axostylus axostyle on belt pulley (22) and the counter pulley (12), and lower support bar (14) is hinged on respectively on the axostylus axostyle of counter pulley (12) and belt pulley (16).

5, multifunctional metal cutting lathe according to claim 1, it is characterized in that wounded in the battle key shaft bevel gear transmission structures is as follows: intermeshing bevel gear (24) and horizontal bevel gear (25) are housed on the interior feed output shaft of headstock (2) (23), horizontal bevel gear (25) central authorities are installed with splined shaft (42), splined shaft (42) lower end penetrates in the feed change unit (4) and bevel gear (43) is housed, and can be respectively be enclosed within on the interior feed power shaft of feed change unit (4) (46) with left and right bevel gear (44) and (45) of bevel gear (43) engagement.