CN210789966U - Novel major axis turning lathe - Google Patents

Abstract

The utility model belongs to the technical field of major axis class parts machining equipment, concretely relates to novel major axis turning lathe. The utility model provides a novel major axis turning lathe, which comprises a frame, be provided with the rotatory main shaft that is used for driving the work piece in the frame, the activity is provided with first clamping device and the second clamping device who is used for the centre gripping work piece in the frame of main shaft one side, the activity is provided with top device in the frame, top device and the movable butt of work piece terminal surface, the activity sets up first sword tower and second sword tower in the frame and distributes in the work piece both sides, the rotatory in-process of main shaft work piece, first clamping device, the second clamping device, four persons of first sword tower and second sword tower mutually support and process the work piece. The utility model has the advantages of all processes of a major axis work piece can be accomplished to machining precision height, processing speed piece, a equipment.

Description

Novel major axis turning lathe

Technical Field

The utility model belongs to the technical field of major axis class parts machining equipment, concretely relates to novel major axis turning lathe.

Background

When major axis class part processing production, because the particularity of its processing, generally all adopt rotation machining to fix the one end of major axis, the other end is unsettled and is processed, but some major axis class work pieces need process the centre bore of terminal surface earlier before the processing, later through top withstand, can accomplish the fixed of whole work piece, current equipment, when processing this type of part, all process the centre bore earlier through other equipment, shift to the equipment of major axis processing again and process, lead to processing a complete work piece and need clamping and processing many times, make production rate reduce.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel major axis turning lathe with the structural redesign of top device, makes it have flexible function, and the subassembly of installation drilling on top device solves and needs many equipment to process, leads to a lot of clamping, influences the problem of production rate.

The purpose of the utility model is realized like this:

the utility model provides a novel major axis turning lathe, includes the lathe bed, is provided with the main shaft that is used for driving the rotation of work piece on the lathe bed, and the activity is provided with the first clamping device who is used for the centre gripping work piece on the lathe bed of main shaft one side, is provided with scalable motion's top device on the lathe bed, and top device and the movable butt of work piece terminal surface set up first sword tower main shaft in the activity on the lathe bed and drive the work piece rotatory, and first clamping device and first sword tower are mutually supported and are processed the work piece.

Preferably, the lathe bed is movably provided with a second tool turret, the first tool turret and the second tool turret are distributed on the upper side and the lower side of the workpiece, and the first tool turret and the second tool turret are matched with each other to process the workpiece.

Preferably, the bed body is movably provided with a second clamping device, the first clamping device and the second clamping device are both provided with a center frame, and the center frame can move in a telescopic mode through the first clamping device or the second clamping device.

Preferably, the first clamping device comprises a second ram, a second expansion plate is movably arranged in the second ram, a second driver is arranged at one end of the second ram, the second driver drives the second expansion plate to move, and a center frame used for clamping the workpiece is arranged at one end of the expansion plate.

Preferably, the center device comprises a first ram, a first expansion plate is movably arranged in the first ram, a first driver is arranged at one end of the first ram, the first driver drives the first expansion plate to move in the first ram, and a center and a power unit assembly for drilling a center hole are arranged at one end of the first expansion plate.

Preferably, a limiting plate is arranged on the first ram, a fixing groove is formed in the limiting plate, and a wedge block used for compensating a gap between the first expansion plate and the first ram is arranged in the fixing groove.

Preferably, the power unit component comprises a fixed seat, the fixed seat is detachably arranged at one end part of the expansion plate, one end of the fixed seat is movably provided with a drill bit, one end of the fixed seat is provided with a driver III, and the driver III drives the drill bit to rotate.

Preferably, an oil storage tank is respectively arranged at the bottoms of the first ram and the second ram, an oil filling hole is arranged at the bottom of the oil storage tank, and the oil filling hole is communicated with the side wall and the oil storage tank.

Preferably, a sliding seat is movably arranged on the bed body, a driving device is arranged on the sliding seat, and the driving device drives the first tool turret or the second tool turret to move.

Preferably, a limiting sleeve is arranged in the sliding seat, and one end of the limiting sleeve is movably abutted against the driving device;

a detection device for detecting workpiece data is arranged on the lathe bed. Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model discloses a to current major axis machine tool's improvement, top device before the change designs into the telescopic with top device, sets up the subassembly that can drill simultaneously on top device, drills earlier and gets the centre bore, later can be directly top withstand the work piece, has saved the trouble of clamping and change equipment many times, under the prerequisite of guaranteeing to carry out processing smoothly, has improved production rate, need not the precision that processing can be guaranteed again to the clamping many times simultaneously.

Drawings

Fig. 1 is a schematic view of the overall structure in the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a first turret with a protective cover according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a first turret hiding a protective cover in an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a first turret according to an embodiment of the present invention.

Fig. 5 is a second schematic structural diagram of the first turret according to the embodiment of the present invention.

Fig. 6 is one of the schematic structural diagrams of the center device in the embodiment of the present invention.

Fig. 7 is a second schematic structural view of a center device according to an embodiment of the present invention.

Fig. 8 is a schematic view of a clamping device according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a ram ii in the embodiment of the present invention.

Reference numerals: 1-a lathe bed; 11-a main shaft; 12 a drive member; 13-a first movable aperture; 131-a first guide rail;

132-a third drive member; 133-a third lead screw; 134-a third screw boss; 14-a first slide rail;

15-a first screw base; 16-a first drive member; 17-a first lead screw; 18-a second slide rail; 19-a second movable aperture;

191-a third slide rail; 192-a motor; 193-fourth lead screw; 194-a fourth screw sleeve; 2-a tip device;

21-ram one; 22-a first expansion plate; 221-a limit boss; 23-driver one; 231-apex;

232-a power unit assembly; 233-fixed seat; 234-a drill bit; 235-driver three; 24-a limiting plate;

241-fixing grooves; 242-wedges; 3-a first turret; 4-a second turret; 5-a clamping device;

51-ram II; 511-oil reservoir; 512-oil hole; 52-a second expansion plate; 53-driver two;

54-a center frame; 6-a slide seat; 61-a drive device; 611-a second drive member; 612-a second lead screw;

613-second screw base; 62-a limit sleeve; 7, a detection device; 8-protective cover.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1, a novel long-axis turning machine tool comprises a machine body 11, a main shaft 11 is arranged on the machine body 11, a driving piece 12 is arranged on the rear side surface of the machine body 1, the driving piece 12 is a servo motor, the driving piece 12 drives the main shaft 11 to rotate through a synchronous belt, a first movable hole 13 is formed in the other side of the machine body 1, a top device 2 is movably arranged in the first movable hole 13, the top device 2 is mainly used for assisting the main shaft 11 to clamp a workpiece, and the situation that the end part of the workpiece is shaken in the machining process to influence the machining precision is prevented.

The lathe bed 1 is provided with a first tool turret 3 and a second tool turret 4, the first tool turret 3 and the second tool turret 4 are vertically distributed and are arranged on the upper side and the lower side of a clamped workpiece, the lathe bed 1 is also movably provided with a first clamping device 5 and a second clamping device 9, a long-axis workpiece can be clamped simultaneously through the first clamping device 5 and the second clamping device 9, a centre device is used for determining a centre hole of an end face and drilling the centre hole, then the workpiece is propped against the centre hole, the first tool turret 3 and the second tool turret 4 can simultaneously work, different working procedures such as rough turning, finish turning and the like can be carried out by matching with the clamping devices, the first tool turret 3 and the second tool turret 4 can simultaneously carry out different working procedures or the same working procedure, the two tool turrets are arranged, the stress generated when the first tool turret 3 works is used for offsetting the stress generated by the opposite second tool turret 4, and the situation that the workpiece is bent by the stress generated when one tool turret works is avoided, guarantee machining precision and product percent of pass, reduction in production cost sets up two turrets simultaneously and can also accelerate production rate, improves production efficiency. The four of the first clamping device 5, the second clamping device 9, the first tool turret 3 and the second tool turret 4 that set up on the lathe bed 1 can cooperate the work, carry out processes such as rough turning, finish turning to the work piece, preceding equipment can only process the major axis work piece after the rough turning, and the lathe of this application can process the blank material of major axis, and this equipment of accessible carries out the complete manufacturing procedure of a major axis, does not need to change equipment, can save the cost, can also improve production rate simultaneously.

As shown in fig. 2 to 4, the first turret 3 and the second turret 4 have the same structure, and the structure for realizing the movement is also the same, so the explanation of the structure is made by taking the first turret 3 as an example: the lathe body 1 is provided with a first slide rail 14, the first slide rail 14 is provided with a slide seat 6, the slide seat 6 is provided with a first screw rod seat 15, the lathe body 1 is provided with a first driving piece 16, the output end of the first driving piece 16 is connected with a first screw rod 17, and the first driving piece 16 drives the slide seat 6 to move transversely through the matching of the first screw rod 17 and the first screw rod seat 15. The sliding base 6 is provided with a driving device 61 and a first cutter tower 3, the sliding base 6 is provided with a second sliding rail 18, the first cutter tower 3 is arranged on the second sliding rail 18, the driving device 61 comprises a second driving piece 611, and the second driving piece 611 drives the first cutter tower 3 to move up and down through the matching of a second screw rod 612 and a second screw rod seat 613. The transmission mode of the screw rod and the screw rod seat has the advantages that the precision is high, the screw rod transmission mechanism can well meet the requirement of a machining long shaft and other workpieces with high precision requirements, the first driving part 16 and the second driving part 611 both adopt servo motors, and the servo motors have the advantages of high precision and can ensure the accuracy of the displacement of the turret; the overload resistance is strong, the load which is three times of the rated torque can be borne, and the method is particularly suitable for occasions with instant load fluctuation and requirements on quick starting; the low-speed running is stable, and the stepping running phenomenon similar to that of a stepping motor can not be generated during the low-speed running. The above arrangement is all for guaranteeing the stability of the operation of the turret and the rotation accuracy of the mobile position, can guarantee the machining precision of the equipment, and guarantee the qualification rate of products.

The first tool turret 3 and the second tool turret 4 are both power tool turrets, different tools such as a finish turning tool and a rough turning tool can be installed, the first tool turret 3 and the second tool turret 4 can simultaneously process the same procedure or different procedures, and the single tool turret can also operate, so that the practicability is higher. The two tool turrets work to offset the stress generated during work, so that the workpiece is prevented from being bent. Meanwhile, the production speed can be accelerated on the premise of ensuring higher processing precision.

As shown in fig. 2, in order to ensure that the generated waste chips do not affect the equipment, protective covers 8 are arranged on the first cutter tower 3 and the second cutter tower 4, and the protective covers 8 can well protect and prevent the waste chips from entering the first cutter tower 3 and the sliding base 6, so that the service life of the equipment can be prolonged.

As shown in fig. 5, a limiting sleeve 62 is disposed in the sliding base 6, and the limiting sleeve 62 can limit the moving position of the second screw rod seat 613, so as to limit the moving position of the first turret 3, effectively avoid the collision between the first turret 3 and the second turret 4, and protect the equipment from being damaged due to misoperation.

As shown in fig. 6-7, a first guide rail 131 and a third driving member 132 are disposed in the first movable hole 13, the center device 2 is disposed on the first guide rail 131 by means of a sliding block, the third driving member 132 drives the center device 2 to move on the first guide rail 131 through cooperation of a third lead screw 133 and a third lead screw seat 134, the center device 2 includes a ram one 21, a first expansion plate 22 is movably disposed in the ram one 21, one end of the ram one 21 is provided with a first driver 23, an output end of the first driver 23 is movably connected with the first expansion plate 22, the first driver 23 drives the first expansion plate 22 to move in the ram one 21, the other end of the first expansion plate 22 is provided with a center 231 and a power unit assembly 232, the center 231 is used for supporting a workpiece, the power unit assembly 232 includes a fixed seat 233, the fixed seat 233 is detachably disposed at an end of the first expansion plate 22, the fixed seat 233 is provided with a drill 234 and a third, the driver three 235 drives the drill bit 234 to rotate, which is designed for some long shafts that require a central hole. In order to prevent that expansion plate 22 from stretching out the overlength, be provided with spacing boss 221 at expansion plate 22 and driver 23 link, spacing boss 221 and 21 tip activity butt of ram, can restrict the extended position of expansion plate 22, guarantee the normal function of equipment, spacing boss 221 still plays the effect of location simultaneously, can guarantee the accuracy of the power unit subassembly 232 shift position on the expansion plate 22, guarantee the accuracy of drilling.

As shown in fig. 7, in order to ensure that the first expansion plate 22 always moves in the first ram 21, the first ram 21 is provided with the limiting plate 24, which is certainly worn when in use, and once the first expansion plate 22 is worn, the first ram 21 may shake, which may affect the machining precision, in order to avoid such situation, the limiting plate 24 is provided with a fixing groove 241, a wedge 242 is arranged in the fixing groove 241, and the wedge 242 functions to compensate a gap between the first expansion plate 22 and the first ram 21, so as to ensure that the first expansion plate 22 does not shake to affect the machining precision.

As shown in fig. 1 and 8, a second movable hole 19 is formed in the bed 1, and a first clamping device 5 and a second clamping device 9 are movably disposed in the second movable hole 19, because the first clamping device 5 and the second clamping device 9 have the same structure, only the structure of the first clamping device 5 will be described, and the structure of the first clamping device 5 is as follows: a third sliding rail 191 and a motor 192 are arranged in the second movable hole 19, a first clamping device 5 is movably arranged on the third sliding rail 191, and the motor 192 drives the first clamping device 5 to transversely move through a fourth screw 193 and a fourth screw sleeve 194. The advantage that sets up ability lateral shifting is the interval of conveniently adjusting first clamping device 5 and second clamping device 9, can the multiple model, the work piece of length difference of centre gripping. The applicability of the equipment is improved, and meanwhile, the processing is convenient. The first tool turret 3 and the second tool turret 4 can be matched to perform procedures such as rough turning and fine turning, the clamping position can be adjusted freely by the first clamping device 5 and the second clamping device 9, and the processing is convenient.

As shown in fig. 8, the first clamping device 5 includes a ram two 51, a telescopic plate two 52 is movably disposed in the ram two 51, a second driver 53 is disposed at one end of the ram two 51, the second driver 53 is preferably a servo motor, an output end of the second driver 53 is movably connected with the telescopic plate two 52, the second driver 53 drives the telescopic plate two 52 to move in the ram two 51, a center frame 54 is disposed at the other end of the telescopic plate two 52, the center frame 54 is preferably a hydraulic custom center frame, the center frame 54 is opened and closed through hydraulic control, the movable telescopic plate two 52 can make the center frame 54 perform telescopic motion, such that the advantage of the design is that after the workpiece is processed, the center frame 54 opens the second driver 53 controller to contract, and the workpiece only remains the clamping of the spindle 11, such that the blanking is more convenient, a blanking manipulator can also be installed on the machine tool, and automatic blanking is performed by the manipulator, the advantage of this technical scheme is that the centre frame 54 and the telescopic centre device 2 do not interfere the blanking of the workpiece, so that the workpiece can be blanked more quickly and conveniently, and the material changing speed is increased.

As shown in fig. 1, the bed 1 is provided with a detection device 7, the detection device 7 is mainly used for detecting various data of the processed workpiece to ensure the qualification rate of the product, and the detection device 7 adopts a laser interferometer to detect the data of the workpiece.

As shown in fig. 9, oil storage grooves 511 are formed in the bottoms of the first ram 21 and the second ram 51, oil filling holes 512 are formed in the bottoms of the oil storage grooves 511, and the oil filling holes 512 communicate the side walls with the oil storage grooves 511. The second ram 51 is filled with oil conveniently, the lubrication degree is guaranteed, and abrasion is reduced.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a novel major axis turning lathe, includes lathe bed (1), its characterized in that with: a main shaft (11) and a retractable center device (2) are respectively arranged on two sides of the machine body (1); a first clamping device (5) for clamping a workpiece is movably arranged on one side of the machine body (1), and the first clamping device (5) is positioned between the main shaft (11) and the tip device (2); the center device (2) is movably abutted against the end face of the workpiece, at least one side of the first clamping device (5) is movably provided with a first tool turret (3), and the first clamping device (5) and the first tool turret (3) are mutually matched to process the workpiece.

2. The novel long shaft turning machine tool according to claim 1, characterized in that: the lathe bed (1) is movably provided with a second turret (4), the first turret (3) and the second turret (4) are respectively distributed on the upper side and the lower side of the workpiece, and the first turret (3) and the second turret (4) are mutually matched to process the workpiece.

3. The novel long shaft turning machine tool according to claim 1, characterized in that: the lathe bed (1) is movably provided with a second clamping device (9), and the first clamping device (5) and the second clamping device (9) are respectively used for clamping two ends of a workpiece.

4. The novel long shaft turning machine tool according to claim 1, characterized in that: the first clamping device (5) and the second clamping device (9) are respectively provided with a center frame (54), and the center frames (54) can move in a telescopic mode in the first clamping device (5) or the second clamping device (9).

5. The novel long shaft turning machine tool according to claim 1, characterized in that: the first clamping device (5) comprises a second ram (51), a second expansion plate (52) is movably arranged in the second ram (51), a second driver (53) is arranged at one end of the second ram (51), the second driver (53) drives the second expansion plate (52) to move, and a center frame (54) used for clamping a workpiece is arranged at one end of the first expansion plate (22).

6. The novel long shaft turning machine tool according to claim 1, characterized in that: the centre device (2) comprises a ram I (21), a first expansion plate (22) is movably arranged in the ram I (21), a first driver (23) is arranged at one end of the ram I (21), the first driver (23) drives the first expansion plate (22) to move in the ram I (21), and a centre (231) and a power unit assembly (232) for drilling a central hole are arranged at one end of the first expansion plate (22).

7. The novel long shaft turning machine tool according to claim 6, characterized in that: a limiting plate (24) is arranged on the first ram (21), a fixing groove (241) is formed in the limiting plate (24), and a wedge block (242) used for compensating a gap between the first expansion plate (22) and the first ram (21) is arranged in the fixing groove (241).

8. The novel long shaft turning machine tool according to claim 6, characterized in that: the power unit component (232) comprises a fixed seat (233), the fixed seat (233) is detachably arranged at the end of the first expansion plate (22), a drill bit (234) is movably arranged at one end of the fixed seat (233), a driver III (235) is arranged at one end of the fixed seat (233), and the driver III (235) drives the drill bit (234) to rotate.

9. The novel long shaft turning machine tool according to claim 6, characterized in that: oil storage tank (511) have all been seted up to the bottom of ram (21) and ram (51), and oil filler point (512) have been seted up to oil storage tank (511) bottom, and oil filler point (512) switch on lateral wall and oil storage tank (511).

10. The novel long shaft turning machine tool according to claim 1, characterized in that: a sliding seat (6) is movably arranged on the lathe bed (1), a driving device (61) is arranged on the sliding seat (6), and the driving device (61) drives the first cutter tower (3) to move;

a limiting sleeve (62) is arranged in the sliding seat (6), and one end of the limiting sleeve (62) is movably abutted against the driving device (61);

and the lathe bed (1) is provided with a detection device (7) for detecting workpiece data.

Images