CN202655913U - Rotary type workbench and vertical type turn milling compound machine tool - Google Patents

Rotary type workbench and vertical type turn milling compound machine tool Download PDF

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Publication number
CN202655913U
CN202655913U CN2012202792656U CN201220279265U CN202655913U CN 202655913 U CN202655913 U CN 202655913U CN 2012202792656 U CN2012202792656 U CN 2012202792656U CN 201220279265 U CN201220279265 U CN 201220279265U CN 202655913 U CN202655913 U CN 202655913U
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CN
China
Prior art keywords
workbench
gear ring
gear
little gear
milling
Prior art date
Application number
CN2012202792656U
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Chinese (zh)
Inventor
马吉波
马吉光
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青岛永基重型机床有限公司
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Priority to CN2012202792656U priority Critical patent/CN202655913U/en
Application granted granted Critical
Publication of CN202655913U publication Critical patent/CN202655913U/en

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Abstract

The utility model relates to a rotary type workbench and a vertical type turn milling compound machine tool. The rotary type workbench comprises a spindle sleeve part, a large gear ring and a small gear ring, wherein the small gear ring is sleeved in the large gear ring, the large gear ring is fixedly connected with the workbench and is driven by a main drive mechanism, the small gear ring is connected with a spindle through a bearing and is driven by an auxiliary drive mechanism, and at least one clamping mechanism for enabling the small gear ring and the workbench to be clamped with each other or be detached from each other is arranged between the small gear ring and the workbench. According to the rotary type workbench disclosed by the utility model, by adopting a double gear ring structure, during turning, the large gear ring drives the workbench to rotate, wherein the accurate positioning is not related, so lower accuracy is adopted to be suitable for a large torque due to turning; and the milling high-accuracy small gear ring is fixed to the spindle through a large bearing and does not participate in turning, so the small gear ring cannot bear a large torque, the abrasion of the gear ring is small, the accuracy is high, the service life is long, the production cost is low, and the high-accuracy positioning requirement during milling can be satisfied.

Description

Swinging workbench and vertical complex milling machine tool

Technical field

The utility model relates to a kind of machining tool, and particularly a kind of vertical complex milling machine tool reaches the swinging workbench that uses at this lathe, belongs to machining manufacturing technology field.

Background technology

Traditional machine tool structure is to comprise a base, at base but rectilinear motion or rotatable workbench are installed, the top of workbench has with respect to about workbench and the knife rest of the holding cutter that moves up and down, during work, workpiece is fixed on the workbench, according to the processing needs, driving mechanism drives workbench and in the horizontal direction mobile or rotation of workpiece, the cutter that is clamped on the knife rest moves up and down by the driving mechanism drive, make cutter be in the processed position of workpiece, utilize cutter to finish the machining of workpiece.

Traditional lathe function is single, development along with modern industry, machine tool product is to high Composite, high accuracy, high reliability future development, the user can obtain at a kind of lathe the function of multiple lathe, the clamped one time part can be finished multiple manufacturing procedure, complex milling machine tool namely is the lathe of finishing simultaneously turning and two kinds of manufacturing procedures of milling on a lathe, and vertical rotating accuracy and the positioning accuracy request that mills the turning machine workbench of user is more and more higher.

When machine tool plant produces complex milling machine tool both at home and abroad, generally use 1 bull gear, 2 cover gearboxes drive workbench work, because milling head requires accurately location, this has just determined that bull gear requires to have higher machining accuracy during fabrication, but the bull gear precision is too high, has just caused production cost too high, the most important thing is that the gear ring precision is high, when turning, bite is large, and moment of torsion is also just very large, the gear ring serious wear, also just caused the positioning accuracy of milling head to descend after having grown service time, thereby the element precision that this lathe is produced descends, qualification rate declines to a great extent, if and the replacing gear ring then needs larger expense.

The utility model content

The utility model main purpose is to address the above problem and is not enough, provide a kind of and accurately locate when realizing Milling Process, and the gear ring wearing and tearing is little, long service life, the swinging workbench that cost is low.

Another main purpose of the present utility model is, provide a kind of and accurately locate when realizing Milling Process, and the gear ring wearing and tearing is little, long service life, the vertical complex milling machine tool that cost is low.

For achieving the above object, the technical solution of the utility model is:

A kind of swinging workbench, comprise main shaft external member, bull gear, little gear ring, described little gear ring is set in the described bull gear, described bull gear is fixedly connected with workbench, described bull gear is driven by main driving mechanism, described little gear ring is connected with main shaft by bearing, and described little gear ring is driven by secondary driving mechanism, is provided with the clamp mechanism that at least one makes described little gear ring and worktable clamping or disengaging between described little gear ring and workbench.

Further, described little gear ring adds man-hour in turning, breaks away from described workbench, drives described worktable rotary by described bull gear; When Milling Process, described little gear ring and described workbench are held tightly, drive described worktable rotary by little gear ring.

Further, the main-gear box in the described main driving mechanism is provided with third gear, is respectively high-grade, low grade and neutral gear, adds man-hour milling pin, and described main-gear box is in neutral position, adds man-hour carrying out turning, and described main-gear box is in top grade or low-grade position.

Further, the field of conjugate action of described little gear ring is the high-precision grinding machined surface.

Further, the connection bearing between described little gear ring and the described main shaft adopts large-scale deep groove ball bearing.

Further, described secondary driving mechanism adopts two gap speed change gears that disappear, and is connected with gear shaft through driving gear, driven gear respectively, passes through gear ring driven wheel and described little gear ring engaged transmission again.

Further, the motor in the described secondary driving mechanism adopts the calibration servomotor.

Further, described clamp mechanism comprises clamping cylinder, described clamping cylinder is fixed on the described workbench, have the hydraulic fluid port of clamping on the described clamping cylinder and loosen hydraulic fluid port, be connected with oil circuit respectively, the piston of described clamping cylinder connects a pulling block, the section of described pulling block is up-narrow and down-wide trapezoidal, in the both sides of described pulling block the oil cylinder clamping plate are set, be provided with cavity at described little gear ring, described oil cylinder clamping plate place in the described cavity, and described pulling block struts described oil cylinder clamping plate when moving upward hold described little gear ring and workbench tightly, when described pulling block moved downward, described oil cylinder clamping plate rebounded described little gear ring and workbench are broken away from.

Further, described main shaft is connected with the centre code device, and described centre code device is connected with the brake gear of described workbench, is used for controlling the start and stop of described brake gear.

Another technical scheme of the present utility model is:

A kind of vertical complex milling machine tool comprises base, column, milling assembly, turning assembly, is provided with aforesaid swinging workbench at base.

Content to sum up, a kind of swinging workbench described in the utility model and vertical complex milling machine tool, adopt the Double gear-ring structure, bull gear is fixed on the workbench, add man-hour in turning, bull gear drives worktable rotary, does not relate to workbench and accurately locates, therefore can adopt lower accuracy, the high pulling torque that is produced when adapting to turning.Milling high-precision small-gear circle is fixed on the main shaft by large size bearing, does not participate in turning processing, therefore can not bear very large moment of torsion, and the gear ring wearing and tearing are little, and precision is high, long service life, and production cost is low, the hi-Fix requirement in the time of can satisfying Milling Process.

Description of drawings

Fig. 1 is the utility model vertical vehicle milling compounding machine bed structure schematic diagram;

Fig. 2 is the utility model Working table structure schematic diagram;

Fig. 3 is the utility model working section structural representation;

Fig. 4 is the secondary driving mechanism assembly structure of the little gear ring of the utility model schematic diagram;

Fig. 5 is the little gear ring clamp mechanism assembling of the utility model schematic diagram.

Extremely shown in Figure 5 such as Fig. 1, base 1, column 2, milling assembly 3, turning assembly 4, tie-beam 5, workbench 6, crossbeam 7, milling spindle slide 8, milling spindle ram 9, axletree slide 10, axletree ram 11, main shaft external member 12, bull gear 13, little gear ring 14, large-scale deep groove ball bearing 15, main shaft 16, turning gearbox 17, gear shaft 18, bull gear driven wheel 19, A milling gearbox 20, B milling gearbox 21, motor 22, reduction box 23, driving gear 24, driven gear 25, gear shaft 26, little gear ring driven wheel 27, clamping cylinder 28, clamp hydraulic fluid port 29, loosen hydraulic fluid port 30, pulling block 31, oil cylinder clamping plate 32, cavity 33, A oil pipe 34, A oil pocket 35, A joint 36, B oil pipe 37, B oil pocket 38, B joint 39, brake gear 40.

The specific embodiment

Below in conjunction with accompanying drawing and the specific embodiment the utility model is described in further detail:

As shown in Figure 1, a kind of vertical complex milling machine tool comprises base 1, column 2, milling assembly 3, turning assembly 4.Two root posts 2 are divided into the both sides of base 1, are connected to form gantry frame structure by tie-beam 5 between two root posts 2, at base 1 the fixedly swinging workbench 6 of processing work are installed.Between two root posts 2, also be provided with crossbeam 7, the movement that crossbeam 7 can carry out on the W direction of principal axis along column 2 under driving mechanism drives, milling assembly 3 and turning assembly 4 are installed on the crossbeam 7, and column 2 can be directly fixed on the ground.

Milling spindle slide 8 in the milling assembly 3 is slidingly connected with crossbeam 7, under the drive of drive unit, do movement on the X-direction along crossbeam 7, milling spindle ram 9 is driven the movement that can carry out on the Z-direction along milling spindle slide 8 by driving mechanism, milling cutter device is installed on the milling spindle ram 9.Axletree slide 10 in the turning assembly 4 is slidingly connected with crossbeam 7, under the drive of drive unit, do movement on the X-direction along crossbeam 7, axletree ram 11 is driven the movement that can carry out on the Z-direction along axletree slide 10 by driving mechanism, lathe tool device is installed on the axletree ram 11.Milling cutter device and lathe tool device are carrying out movement on the respective direction according to workpiece to be processed under the drive of driving mechanism, and then workpiece to be processed is carried out Milling Process and turning processing.

As shown in Figure 2, swinging workbench 6 comprises main shaft external member 12, bull gear 13, little gear ring 14, little gear ring 14 diameters are less than the diameter of bull gear 13, little gear ring 14 is set in the bull gear 13, little gear ring 14 and bull gear 13 arrange with one heart, bull gear 13 is used for turning processing, and little gear ring 14 is used for Milling Process.Main shaft external member 12 is screwed and is installed on the base 1, and main shaft external member 12 comprises main shaft 16, and main shaft 16 is fixed on the center of base 1, realizes firm connection the between workbench 6 main shaft external members 12 and the base 1.

As shown in Figures 2 and 3, bull gear 13 is fixedly connected on the workbench 6 by screw, bull gear 13 is driven by main driving mechanism, little gear ring 14 is connected with main shaft 16 by large-scale deep groove ball bearing 15, the top of main shaft 16 is fixedly connected with workbench 6, little gear ring 14 is driven by secondary driving mechanism, is provided with the clamp mechanism that makes little gear ring 14 and workbench 6 clamp or break away between little gear ring 14 and workbench 6.Little gear ring 14 adds man-hour in turning, breaks away from workbench 6, drives workbench 6 rotations by bull gear 13, and little gear ring 14 does not participate in turning processing.When Milling Process, little gear ring 14 is held tightly with workbench 6, drives workbench 6 rotations by little gear ring 14.In the present embodiment, along little gear ring 14 4 clamp mechanism circumferentially evenly are set, to guarantee workbench 6 smooth running under little gear ring 14 drives.

The main driving mechanism that drives bull gear 13 mainly comprises turning gearbox 17, turning gearbox 17 is fixed on the base 1, turning gearbox 17 is connected with gear shaft 18 by key, and gear shaft 18 is fixedly connected with bull gear driven wheel 19 by key, bull gear driven wheel 19 and bull gear 13 engaged transmission.Driven gear axle 18,19 rotations of bull gear driven wheel during 17 work of turning gearbox, bull gear driven wheel 19 and bull gear 13 engaged transmission, and then drive bull gear 13 rotations, and bull gear 13 is fixedly connected with workbench 6, and bull gear 13 drives workbench 6 rotations when rotating.

Turning gearbox 17 in the main driving mechanism is provided with third gear, be respectively top grade, low grade and neutral gear, add man-hour carrying out turning, turning gearbox 17 is in top grade or low-grade position, driving workbench 6 high speeds or low quick-action turns, reaching at a high speed or the low speed processing request, add man-hour milling pin, turning gearbox 17 is transformed to neutral position.Can alleviate like this when Milling Process, the load of milling gearbox and little gear ring 14 makes little gear ring 14 can not bear very large moment of torsion, and is little to the wearing and tearing of little gear ring 14, can prolong the service life of gear ring, and the positioning accuracy can improve milling the time.Therefore in addition, bull gear 13 does not participate in Milling Process, does not relate to the accurate location of workbench 6, therefore but bull gear 13 can adopt lower accuracy, the high pulling torque that is produced when adapting to turning.

As shown in Figure 2, the secondary driving mechanism that drives little gear ring 14 rotations adopts two gap speed change gears that disappear, be respectively A milling gearbox 20 and B milling gearbox 21, A milling gearbox 20 and B milling gearbox 21 all are fixedly mounted on the base 1, the operation principle of two gap speed change gears that disappear is prior art, is described in detail no longer in addition here.As shown in Figure 4, A milling gearbox 20 is identical with the structure of B milling gearbox 21, take A milling gearbox 20 as example, A milling gearbox 20 comprises motor 22 and reduction box 231, reduction box 23 is connected with driving gear 24 by ring flange, driving gear 24 and driven gear 25 engaged transmission, and driven gear 25 is fixedly connected with gear shaft 26, the top of gear shaft 26 has little gear ring driven wheel 27, little gear ring driven wheel 27 and little gear ring 14 engaged transmission.In order to reach the pinpoint accuracy location, the motor 22 in the secondary driving mechanism adopts the calibration servomotor, and the field of conjugate action of little gear ring 14 adopts the high-precision grinding machined surface.

As shown in Figure 4, clamp mechanism comprises clamping cylinder 28, clamping cylinder 28 is fixed on the workbench 6, have the hydraulic fluid port of clamping 29 on the clamping cylinder 28 and loosen hydraulic fluid port 30, the piston of clamping cylinder 28 passes workbench 6, piston base connects a pulling block 31, the section of pulling block 31 is up-narrow and down-wide trapezoidal, pulling block 31 moves up and down along with the flexible of piston, in the both sides of pulling block 31 oil cylinder clamping plate 32 are set, be provided with cavity 33 at little gear ring 14, cavity 33 arranges along the circumferential annular of little gear ring 14, and oil cylinder clamping plate 32 place in the cavity 33.When pulling block 31 moves upward, can strut the oil cylinder clamping plate 32 of both sides, pulling block 31, oil cylinder clamping plate 32 and cavity 33 inwalls are fitted tightly, thereby make little gear ring 14 and workbench 6 stretching lockings, during the rotation of little gear ring 14, can drive workbench 6 and rotate.When pulling block 31 moved downward, oil cylinder clamping plate 32 rebounded, and little gear ring 14 and workbench 6 are broken away from, because little gear ring 14 is connected with main shaft 16 by large-scale deep groove ball bearing 15, at this moment, when workbench 6 rotated under the drive of bull gear 13, little gear ring 14 can not rotate thereupon.

As shown in Figure 3, lower end at main shaft 16, A oil pipe 34 is for hydraulic oil, hydraulic oil enters A oil pocket 35 by main shaft preboring oil circuit, fuel-displaced from A joint 36 by the connecting axle oil circuit again, A joint 36 places connect the clamping hydraulic fluid port 29 of 4 clamping cylinders 28 with high-pressure oil pipe, the piston of clamping cylinder 28 moves upward, and drive pulling block 31 and move upward.Lower end at main shaft 16, B oil pipe 37 is for hydraulic oil, hydraulic oil enters B oil pocket 38 by main shaft preboring oil circuit, fuel-displaced from B joint 39 by the connecting axle oil circuit again, B joint 39 places loosen hydraulic fluid port 30 with what high-pressure oil pipe connected 4 clamping cylinders 28, the piston of clamping cylinder 28 moves downward, and drives pulling block 31 and moves downward.

As shown in Figure 2, workbench 6 circumferentially be provided with 4 brake gears 40, main shaft 16 is connected with the centre code device, the centre code device is connected with the brake gear 40 of workbench 6, is used for the start and stop of control brake gear 40.

The below describes the course of work of this combined machine in detail:

1, workpiece to be processed is placed on the workbench 6.

2, according to processing request, mobile turning assembly 4 on X-axis, Z-direction makes the lathe tool in the turning assembly 4 be in Working position.

3, the B oil pipe 37 of control main shaft 16 lower ends is for hydraulic oil, hydraulic oil enters B oil pocket 38 by main shaft preboring oil circuit, fuel-displaced from B joint 39 by the connecting axle oil circuit again, B joint 39 places loosen hydraulic fluid port 30 with what high-pressure oil pipe connected 4 clamping cylinders 28, the piston of clamping cylinder 28 moves downward, driving pulling block 31 moves downward, oil cylinder clamping plate 32 rebound, little gear ring 14 and workbench 6 are broken away from, because little gear ring 14 is connected with main shaft 16 by large-scale deep groove ball bearing 15, at this moment, when workbench 6 rotated under the drive of bull gear 13, little gear ring 14 can not rotate thereupon.

4, according to processing request, turning gearbox 17 is placed low speed or top gear, start turning gearbox 17,

Turning gearbox 17 drives 19 rotations of bull gear driven wheel by gear shaft 18, bull gear driven wheel 19 and bull gear 13 engaged transmission, and then drive bull gear 13 rotations, bull gear 13 is fixedly connected with workbench 6, bull gear 13 drives workbench 6 rotations when rotating, carry out turning processing.

5, after finishing turning processing, in the time of need to carrying out Milling Process to processing work, the A oil pipe 34 of control main shaft 16 lower ends is for hydraulic oil, hydraulic oil enters A oil pocket 35 by main shaft preboring oil circuit, fuel-displaced from A joint 36 by the connecting axle oil circuit again, A joint 36 places connect the clamping hydraulic fluid port 29 of 4 clamping cylinders 28 with high-pressure oil pipe, the piston of clamping cylinder 28 moves upward, drive pulling block 31 and move upward, when pulling block 31 moves upward, can strut the oil cylinder clamping plate 32 of both sides, make pulling block 31, oil cylinder clamping plate 32 fit tightly with cavity 33 inwalls, thereby make little gear ring 14 and workbench 6 stretching lockings, little gear ring 14 can drive workbench 6 and rotate when rotating.

6, turning gearbox 17 is placed neutral position, the calibration servomotor 22 that starts in the A milling gearbox 20 rotates, driving corresponding gear shaft 26 by reduction box 23, driving gear 24, driven gear 25 rotates, when reaching certain torsion, the calibration servomotor 22 in the B milling gearbox 21 starts, and drives corresponding gear shaft 26 and rotates, and guarantee the constant of torsion, thereby guarantee the accuracy of double-motor anti-backlash, at this moment, workbench 6 forwards.

When workbench 6 rotations arrive assigned address, the centre code device feedback signal of main shaft 16, brake gear 40 work of workbench 6 make workbench 6 accurately be positioned assigned address.

If require workbench 6 counter-rotatings, the calibration servomotor 22 of then controlling first in the B milling gearbox 21 starts, calibration servomotor 22 backward rotation, when reaching with the identical torsion of forward, calibration servomotor 22 in the A milling gearbox 20 starts and counter-rotating, and keep constant torsion, thereby guarantee that workbench 6 rotating orientation angles are accurately error free.

7, finish all Milling Process.

As mentioned above, given scheme content can derive similar technical scheme in conjunction with the accompanying drawings and embodiments.In every case be the content that does not break away from technical solutions of the utility model,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present utility model.

Claims (10)

1. swinging workbench, it is characterized in that: comprise main shaft external member, bull gear, little gear ring, described little gear ring is set in the described bull gear, described bull gear is fixedly connected with workbench, described bull gear is driven by main driving mechanism, described little gear ring is connected with main shaft by bearing, and described little gear ring is driven by secondary driving mechanism, is provided with the clamp mechanism that at least one makes described little gear ring and worktable clamping or disengaging between described little gear ring and workbench.
2. swinging workbench according to claim 1, it is characterized in that: described little gear ring adds man-hour in turning, breaks away from described workbench, drives described worktable rotary by described bull gear; When Milling Process, described little gear ring and described workbench are held tightly, drive described worktable rotary by little gear ring.
3. swinging workbench according to claim 1, it is characterized in that: the main-gear box in the described main driving mechanism is provided with third gear, be respectively top grade, low grade and neutral gear, add man-hour milling pin, described main-gear box is in neutral position, add man-hour carrying out turning, described main-gear box is in top grade or low-grade position.
4. swinging workbench according to claim 1, it is characterized in that: the field of conjugate action of described little gear ring is the high-precision grinding machined surface.
5. swinging workbench according to claim 1, it is characterized in that: the connection bearing between described little gear ring and the described main shaft adopts large-scale deep groove ball bearing.
6. each described swinging workbench according to claim 1-5, it is characterized in that: described secondary driving mechanism adopts two gap speed change gears that disappear, be connected with gear shaft through driving gear, driven gear respectively, pass through again gear ring driven wheel and described little gear ring engaged transmission.
7. swinging workbench according to claim 6 is characterized in that: the motor employing calibration servomotor in the described secondary driving mechanism.
8. each described swinging workbench according to claim 1-5, it is characterized in that: described clamp mechanism comprises clamping cylinder, described clamping cylinder is fixed on the described workbench, have the hydraulic fluid port of clamping on the described clamping cylinder and loosen hydraulic fluid port, be connected with oil circuit respectively, the piston of described clamping cylinder connects a pulling block, the section of described pulling block is up-narrow and down-wide trapezoidal, in the both sides of described pulling block the oil cylinder clamping plate are set, be provided with cavity at described little gear ring, described oil cylinder clamping plate place in the described cavity, described pulling block struts described oil cylinder clamping plate when moving upward hold described little gear ring and workbench tightly, when described pulling block moved downward, described oil cylinder clamping plate rebounded described little gear ring and workbench are broken away from.
9. each described swinging workbench according to claim 1-5, it is characterized in that: described main shaft is connected with the centre code device, and described centre code device is connected with the brake gear of described workbench, is used for controlling the start and stop of described brake gear.
10. a vertical complex milling machine tool comprises base, column, milling assembly, turning assembly, it is characterized in that: be provided with each described swinging workbench such as claim 1-9 at base.
CN2012202792656U 2012-06-14 2012-06-14 Rotary type workbench and vertical type turn milling compound machine tool CN202655913U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012202792656U CN202655913U (en) 2012-06-14 2012-06-14 Rotary type workbench and vertical type turn milling compound machine tool

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Application Number Priority Date Filing Date Title
CN2012202792656U CN202655913U (en) 2012-06-14 2012-06-14 Rotary type workbench and vertical type turn milling compound machine tool

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CN202655913U true CN202655913U (en) 2013-01-09

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103286570A (en) * 2013-05-07 2013-09-11 青岛大成机床有限公司 Working table of large-scale vertical high-speed numerically-controlled lathe
CN103331457A (en) * 2013-05-07 2013-10-02 青岛大成机床有限公司 Large vertical high-speed numerically controlled lathe
CN103481069A (en) * 2012-06-14 2014-01-01 青岛永基重型机床有限公司 Rotary workbench and upright type turning and milling composite machine tool
CN106239179A (en) * 2016-08-19 2016-12-21 陈广生 A kind of novel worktable bolt lock structure
TWI619575B (en) * 2015-12-02 2018-04-01 Thk Co Ltd Rotary table device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103481069A (en) * 2012-06-14 2014-01-01 青岛永基重型机床有限公司 Rotary workbench and upright type turning and milling composite machine tool
CN103286570A (en) * 2013-05-07 2013-09-11 青岛大成机床有限公司 Working table of large-scale vertical high-speed numerically-controlled lathe
CN103331457A (en) * 2013-05-07 2013-10-02 青岛大成机床有限公司 Large vertical high-speed numerically controlled lathe
TWI619575B (en) * 2015-12-02 2018-04-01 Thk Co Ltd Rotary table device
CN106239179A (en) * 2016-08-19 2016-12-21 陈广生 A kind of novel worktable bolt lock structure

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Granted publication date: 20130109

Termination date: 20150614

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