CN201900301U

CN201900301U - Milling machine

Info

Publication number: CN201900301U
Application number: CN2010206790006U
Authority: CN
Inventors: 王豫康; 何发辉; 龚建浩
Original assignee: NANTONG SIEG MACHINERY PRODUCTION CO Ltd
Current assignee: NANTONG SIEG MACHINERY PRODUCTION CO Ltd
Priority date: 2010-12-24
Filing date: 2010-12-24
Publication date: 2011-07-20
Anticipated expiration: 2020-12-24

Abstract

The utility model relates to a milling machine which comprises a main driving mechanism, a worktable mechanism and a lifting table mechanism, wherein the main driving mechanism is arranged at the upper part of a machine body and comprises a main driving gearbox and an operation part; a belt tooth shaft, a belt tooth shaft II and a main shaft II are arranged in the main driving gearbox; the worktable mechanism comprises a worktable and a feeding box B at the right end of the worktable; and the lifting table mechanism comprises a lifting table, a feeding box C sleeved in the lifting table and a distribution box D mounted at the front end of the lifting table. The utility model has the advantages as follows: the volumes of the feeding boxes are small; parts are compact in arrangement; and fewer parts and the favorable process are used. By adopting a frequency conversion motor with consumption reduction and energy economization, the milling machine has high driving efficiency.

Description

Milling machine

Technical field

The utility model relates to a kind of milling machine.

Background technology

Milling machine is the requisite common apparatus of machine industry, also is the high-yield variety lathe that is only second to lathe output in the machine industry.The transmission system of milling machine has its inherent characteristic, main transmission and feeding transmission are independent separately, main transmission is the gear step speed change, have three shifting slide gear groups, gear quantity is many, rolling bearing is many, speed changing operating mechanism is very complicated, functional unit is many, feeding transmission system is then more complicated, and more than worm gear, the worm gear pair quantity, it not only will have a lot of gears to participate in amount of feeding speed changes, also need fast moving, and to be decomposed into X, Y to these two kinds of very big motions of speed difference, three directions of Z are delivered to workbench and lifting platform.So the transmission system complex structure of milling machine, part are many, design, manufacturing all are not easy, the consumptive material of lathe is many, complex process, tonnage is big, price is high, also difficulty, the machine tool plant that only has a considerable scale could produce milling machine in maintenance, otherwise, unable making inquiries perhaps can be produced and unable developing new product variety.Returning root and discussing is the technology neck bottle restriction that has been subjected to transmission system, does not change this situation in decades, and the transmission system of milling machine does not all have breakthrough development to change, and has only local improvement.

Digit Control Machine Tool has multiple advantage, but because of its investment cost, and therefore great number cutter expense and to the having relatively high expectations of operating personnel, need provide a kind of new technical scheme to solve the problems referred to above.

The utility model content

The purpose of this utility model provides the milling machine that a kind of driving parts is few, technology good, efficient is high.

The technical solution adopted in the utility model is:

Milling machine, comprise main drive gear, table mechanism and lifting platform mechanism, described main drive gear is located at lathe bed top, described main drive gear comprises main transmission gearbox and control member, be provided with band tooth axle I in the described main transmission gearbox, axle II and main shaft, variable-frequency motor A is equipped with at described main transmission gearbox rear portion, described variable-frequency motor A shaft extension is connected with band tooth axle I, described band tooth axle I is provided with the pinion I, described pinion I is meshed with the gear wheel II, described gear wheel II is located at the rear end of an II, described axle II front end is provided with the slippage dual gear, described slippage dual gear front end and the engagement of gear wheel III, described slippage dual gear rear end and the engagement of pinion III, described gear wheel III and pinion III all are fixed on the main shaft, described front-end of spindle is provided with flywheel, control member comprises handle, the handle set of fixed handle and positioning disk, handle set top is fixed by spring knock pin and positioning disk top, described handle set bottom is fixed by alignment pin and positioning disk bottom, described control member is connected with fork by lever A, and described fork is connected with the axle II;

Described table mechanism comprises the feed box B of workbench and workbench right-hand member, be fixed with output shaft in the described feed box B, described output shaft is provided with large bevel gear, empty cover worm gear and side tooth-like clutch, described side tooth-like clutch is located between large bevel gear and the empty cover worm gear, upside-down mounting has variable-frequency motor B below the described feed box B, be set with worm screw on the described variable-frequency motor B shaft extension, described worm screw is meshed with empty cover worm gear, the variable-frequency motor B shaft extension that is positioned at empty cover worm gear top is provided with pinion B, described pinion B and gear wheel B engagement, described gear wheel B below is provided with cone pinion, described cone pinion and large bevel gear engagement, the right-hand member that stretches out the outer output shaft of feed box B is connected with handwheel, the left end of output shaft is connected to ball screw with X, described handwheel head is fixed in the handwheel seat, and described handwheel head is connected with lever B one end by lever shaft, and the described lever B other end is connected with output shaft;

Described lifting platform mechanism comprises lifting platform, be set in feed box C and the distributor box D that is loaded on the lifting platform front end in the lifting platform, the described output shaft right-hand member that stretches out feed box C is connected with distributor box D, described output shaft right-hand member is provided with shifting slide gear, described shifting slide gear top is provided with the axle gear I, described axle gear I is connected to ball screw with Y, described shifting slide gear below is provided with the axle gear II, described axle gear II is fixed in the right-hand member of transverse axis, the left end of described transverse axis is socketed with the bevel gear pair, described bevel gear is secondary to be connected with the elevating screw upper end, and described elevating screw lower end and lathe bed bottom are fixing.

Described feed box C is identical with feed box B, and upside-down mounting has variable-frequency motor C below the described feed box C.

The utility model has the advantages that:

1, drive path shortens dramatically, and driving parts reduces significantly, and is as shown in the table:

Figure 2010206790006100002DEST_PATH_IMAGE001

2, good manufacturability, convenient for production, assembling does not easily have complex parts, lifting platform of the present utility model does not need bore hole, feed box, distributor box be independently simple components, can process separately assembling separately;

3, reduce material consumption significantly, the utility model product than the complete machine weight saving of traditional product 38.7%, lathe rigidity is uninfluenced, and has cancelled the non-ferrous metal part;

4, because of the few efficient of driving member improves, adopt the variable-frequency control technique of energy-conservation of consumption reduction, can save power consumption about 20%;

5, reduce cost, cancelled high price auxiliary equipments such as electromagnetic clutch and freewheel clutch, cost greatly descends, and the new product cost is than traditional product low 20 ~ 25%;

6, fault rate descends, and is easy to maintenance, do not have common consumable accessory;

7, the updating and upgrading of a product is convenient, and development amelioration product and numerical controlization are easy.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Fig. 1 is unit construction system figure of the present utility model.

Fig. 2 is the structural representation of lathe bed of the present utility model mechanism.

Fig. 3 be among Fig. 2 along A-A to cutaway view.

Fig. 4 is the vertical section structure schematic diagram of feed box B among Fig. 1.

Fig. 5 is the cross section structure schematic diagram of feed box B among Fig. 1.

Wherein: 1, lathe bed, 2, the pinion III, 3, the main transmission gearbox, 4, variable-frequency motor A, 5, band tooth axle I, 6, the pinion I, 7, the gear wheel II, 8, the axle II, 9, the slippage dual gear, 10, the gear wheel III, 11, main shaft, 12, workbench, 13, feed box B, 14, output shaft, 15, large bevel gear, 16, empty cover worm gear, 17, the side tooth-like clutch, 18, variable-frequency motor B, 19, worm screw, 20, variable-frequency motor C, 21, pinion B, 22, gear wheel B, 23, cone pinion, 24, handwheel, 25, X is to ball screw, and 26, lifting platform, 27, feed box C, 28, distributor box D, 29, shifting slide gear, 30, the axle gear I, 31, Y is to ball screw, and 32, the axle gear II, 33, transverse axis, 34, the bevel gear pair, 35, elevating screw, 36, flywheel, 37, handle, 38, handle set, 39, positioning disk, 40, spring knock pin, 41, alignment pin, 42, lever A, 43, fork, 44, the handwheel seat, 45, lever shaft, 46, lever B, 47, variable-frequency motor A shaft extension, 48, variable-frequency motor B shaft extension.

The specific embodiment

Shown in Fig. 1 to 5, milling machine of the present utility model, comprise main drive gear, table mechanism and lifting platform mechanism, main drive gear comprises main transmission gearbox 3 and control member, be provided with band tooth axle I 5 in the main transmission gearbox 3, axle II 8 and main shaft 11, variable-frequency motor A 4 is equipped with at main transmission gearbox 3 rear portions, variable-frequency motor A shaft extension 47 is connected with band tooth axle I 5, band tooth axle I 5 is provided with pinion I 6, pinion I 6 is meshed with gear wheel II 7, gear wheel II 7 is located at the rear end of an II 8, axle II 8 front ends are provided with slippage dual gear 9, slippage dual gear 9 front ends and 10 engagements of gear wheel III, slippage dual gear 9 rear ends and 2 engagements of pinion III, gear wheel III 10 and pinion III 2 all are fixed on the main shaft 11, main shaft 11 front ends are provided with flywheel 36, control member comprises handle 37, the handle set 38 of fixed handle 37 and positioning disk 39, handle set 38 tops are fixed by spring knock pin 40 and positioning disk 39 tops, handle set 38 bottoms are fixed by alignment pin 41 and positioning disk 39 bottoms, control member is connected with fork 43 by lever A42, and fork 43 is connected with axle II 8;

Table mechanism comprises the feed box B13 of workbench 12 and workbench 12 right-hand members, be fixed with output shaft 14 in the feed box B13, output shaft 14 is provided with large bevel gear 15, empty cover worm gear 16 and side tooth-like clutch 17, side tooth-like clutch 17 is located between large bevel gear 15 and the empty cover worm gear 16, upside-down mounting has variable-frequency motor B18 below the feed box B13, be set with worm screw 19 on the variable-frequency motor B shaft extension 48, worm screw 19 is meshed with empty cover worm gear 16, the variable-frequency motor B shaft extension 48 that is positioned at empty cover worm gear 16 tops is provided with pinion B21, pinion B21 and gear wheel B22 engagement, gear wheel B22 below is provided with cone pinion 23, cone pinion 23 and large bevel gear 15 engagements, the right-hand member that stretches out the outer output shaft 14 of feed box B13 is connected with handwheel 24, the left end of output shaft 14 is connected to ball screw 25 with X, handwheel 24 heads are fixed in the handwheel seat 44, and handwheel 24 heads are connected with lever B46 one end by lever shaft 45, and the lever B46 other end is connected with output shaft 14.The power of variable-frequency motor B18 divides the two-way transmission, and the one, the worm screw 19 on the variable-frequency motor B shaft extension 48 directly reaches empty cover worm gear 16; The 2nd, pinion B21-gear wheel B22-cone pinion 23-large bevel gear 15, when side tooth-like clutch 17 combines with sky cover worm gear 16 to the right, output shaft 14 is by the output of 1/34 speed reducing ratio, when side tooth-like clutch 17 combines with large bevel gear 15 left, variable-frequency motor B18 rotating speed is that 1600r/min(variable-frequency motor B18 frequency is 53.3HZ, than solidifying behind the frequency setting, no longer regulates), large bevel gear 15 rotating speeds are 400r/min, and the fast moving speed of workbench 12 is 2000mm/min; When side tooth-like clutch 17 mediated, hand handwheel then can be realized the manual of workbench 12;

Lifting platform mechanism comprises lifting platform 26, be set in feed box C27 and the distributor box D28 that is loaded on lifting platform 26 front ends in the lifting platform 26, feed box C27 is identical with feed box B13, upside-down mounting has variable-frequency motor C20 below the feed box C27, output shaft 14 right-hand members that stretch out feed box C27 are connected with distributor box D28, output shaft 14 right-hand members are provided with shifting slide gear 29, shifting slide gear 29 tops are provided with axle gear I 30, axle gear I 30 is connected to ball screw 31 with Y, shifting slide gear 29 belows are provided with axle gear II 32, axle gear II 32 is fixed in the right-hand member of transverse axis 33, the left end of transverse axis 33 is socketed with bevel gear pair 34, bevel gear secondary 34 is connected with elevating screw 35 upper ends, elevating screw 35 lower ends and lathe bed 1 bottom are fixed, when shifting slide gear 29 is in the left side and axle gear I 30 engagement, power is passed to Y to ball screw 31 through the carrier gear I, makes workbench 12 obtain laterally (Y to) feeding and fast moving; When being in when the right, meshes by shifting slide gear 29 with axle gear II 32, power is through axle gear II 32-transverse axis 33-bevel gear pair 34-elevating screw 35 (Z to), decelerating effect because of bevel gear, make the amount of feeding and the rapid traverse speed of worktable lifting (Z to) reduce 60%, when shifting slide gear 29 mediates, Y to, Z to all can be manual.

The feed box volume is little, handling ease, reduce cost, arrangement of parts is very compact, and driving parts is few, technology good, adopt the variable-frequency motor of energy-conservation of consumption reduction, the transmission efficiency height, vertically (X to) and the laterally amount of feeding of (Y to) can select the same amount of feeding or the different amount of feeding for use according to the workpiece processing request, to obtain better effect, traditional milling machine can only be selected the identical amount of feeding for use.

Claims

1. A milling machine, comprising a main transmission mechanism, a workbench mechanism and an elevating table mechanism, the main transmission mechanism is arranged on the upper part of the bed, and it is characterized in that: the main transmission mechanism includes a main transmission gearbox and an operating component, and the main transmission mechanism Geared shaft I, shaft II and the main shaft are arranged in the gearbox. A variable frequency motor A is installed at the rear of the main drive gearbox. The shaft extension of the variable frequency motor A is connected to the geared shaft I. A pinion I is provided, and the pinion I meshes with the bull gear II. The bull gear II is arranged at the rear end of the shaft II, and the front end of the shaft II is provided with a sliding double gear. The front end of the gear meshes with the bull gear III, and the rear end of the sliding double gear meshes with the pinion III. Both the bull gear III and the pinion III are fixed on the main shaft, and the front end of the main shaft is provided with a flywheel. It includes a handle, a handle base for fixing the handle, and a positioning plate. The upper part of the handle base is fixed to the upper part of the positioning plate through a spring ejector pin, the lower part of the handle base is fixed to the lower part of the positioning plate through a positioning pin, and the operating part is connected to the fork through a lever A. , the fork is connected to the shaft II;

The workbench mechanism includes a workbench and a feed box B at the right end of the workbench. An output shaft is fixed inside the feed box B. A large bevel gear, an empty worm gear and a side tooth clutch are arranged on the output shaft. The side tooth clutch is set between the large bevel gear and the empty worm gear, the frequency conversion motor B is installed upside down under the feed box B, and the shaft extension of the frequency conversion motor B is equipped with a worm, and the worm is connected to the empty worm gear. Engagement, the frequency conversion motor B shaft extension above the empty worm gear is provided with a small gear B, the small gear B meshes with the large gear B, and a small bevel gear is provided below the large gear B, and the small bevel gear and the large gear B The bevel gear meshes, the right end of the output shaft protruding from the feed box B is connected to the hand wheel, the left end of the output shaft is connected to the X-direction ball screw, the head of the hand wheel is fixed in the hand wheel seat, and the hand wheel The head is connected to one end of the lever B through the lever shaft, and the other end of the lever B is connected to the output shaft;

The lifting platform mechanism includes a lifting platform, a feed box C set in the lifting platform, and a distribution box D mounted on the front end of the lifting platform. The right end of the output shaft protruding from the feeding box C is connected to the distribution box D. The output The right end of the shaft is provided with a sliding gear, and above the sliding gear is provided a bridge gear I, and the bridge gear I is connected with the Y-direction ball screw, and below the sliding gear is provided a bridge gear II, and the bridge gear II It is fixed on the right end of the horizontal shaft, the left end of the horizontal shaft is sleeved with a bevel gear pair, the bevel gear pair is connected to the upper end of the lifting screw, and the lower end of the lifting screw is fixed to the bottom of the bed.

2. The milling machine according to claim 1, characterized in that: the feed box C is the same as the feed box B, and a variable frequency motor C is mounted upside down under the feed box C.