CN209407523U - Bull lathe - Google Patents

Abstract

The utility model discloses a kind of bull lathes, it applies in machine tool field, its key points of the technical solution are that: including spindle box, several collet axis and driving shaft for being used to clamp cutter, each collet axis is rotatably connected on spindle box, and spindle box is equipped with the actuator of driving driving shaft rotation；When actuator driving driving shaft rotation, all collet axis are rotated synchronously by synchronous piece and driving shaft；What is had has the technical effect that driving shaft can drive multiple cutter rotations to process workpiece, so that whole process does not need to shut down tool changing, does not also need clamping workpiece again, substantially increases processing efficiency.

Description

Bull lathe

Technical field

The utility model relates to machine tool field, in particular to a kind of bull lathe.

Background technique

Currently, lathe when processing tong arm as shown in FIG. 6, needs to mill out an end face in the through hole of tong arm, this End face is generally required cooperates different Milling Speed millings repeatedly to can be only achieved roughness required by technique with different milling cutters.

There is usually one collet axis to clamp cutter for existing lathe, therefore, after a tool sharpening, operation Person needs to shut down and remove this cutter, and then cutter new on clamping continues the end face processed on tong arm, or directly will Tong arm is removed and carries out further milling on clamping to another a machine tool, but both modes are required to consume certain clamping Time, therefore reduce the processing efficiency to tong arm.

Utility model content

The purpose of the utility model is to provide a kind of bull lathes, its advantage is that: whole process is not needed to shut down and be changed Knife does not need clamping workpiece again yet, substantially increases the processing efficiency of lathe.

The above-mentioned technical purpose of the utility model has the technical scheme that including spindle box, several For clamping the collet axis and driving shaft of cutter, each collet axis is rotatably connected on spindle box, the spindle box It is equipped with the actuator of driving driving shaft rotation；When actuator driving driving shaft rotation, all collet axis are logical It crosses synchronous piece and driving shaft rotates synchronously.

Through the above technical solutions, operator can clamp the cutter of different model on multiple collet axis, actuator is driven When dynamic driving shaft rotation, driving shaft can drive all collet axis to rotate together, so that all cutters is driven to rotate, operator's root The revolving speed of driving shaft in each period is adjusted according to process, and then can quickly and easily adjust each different cutters and workpiece is added The revolving speed in working hour meets different process requirements, and whole process does not need to shut down tool changing, does not also need clamping work again Part, therefore improve processing efficiency.

The utility model is further arranged to: the spindle box be equipped with isolating frame, the actuator include setting every From the servo motor on frame, the output end of the servo motor is coaxially connected on driving shaft.

Through the above technical solutions, servo motor can drive driving shaft to rotate when working, and servo motor can root Itself revolving speed is converted at any time according to pre-set programs, to easily realize the change of driving shaft revolving speed.

The utility model is further arranged to: the synchronous piece includes driving tooth, driven tooth and synchronous belt, described driven Tooth is connected on collet axis, and the quantity of the driving tooth is corresponding with driven tooth quantity, and all driving tooths are both connected to On driving shaft, the synchronous belt is wound around in driven tooth and driving tooth.

Through the above technical solutions, the driving tooth on driving shaft drives driven tooth to turn by synchronous belt when driving shaft rotates It is dynamic, and then the drive collet axis rotation of fast and stable.

The utility model is further arranged to: the driving tooth, driven tooth and synchronous belt are respectively positioned on isolating frame away from work Make the side of platform, the isolating frame is equipped with the protective cover for being provide with driving tooth, driven tooth and synchronous belt.

It is provide with through the above technical solutions, isolating frame and protective cover can will set driving tooth, driven tooth and synchronous belt Get up, set driving tooth, driven tooth and synchronous belt and the extraneous possibility contacted to reduce, and then reduction sets driving tooth, driven The possibility of tooth and synchronous belt by accidental injury.

The utility model is further arranged to: further including the clamp system for clamping tong arm, the clamp system includes Carrier block, positioning column and limited post, carrier block setting on the table, the positioning column be connected on carrier block and with pincers Through-hole on arm matches, and the limited post and tong arm side wall contradict and limit tong arm rotation.

Through the above technical solutions, tong arm can be placed on carrier block by operator, and by the through-hole grafting on tong arm On positioning column, positioning column just limits the movement of tong arm at this time, and then operator, which rotates tong arm, contradicts it with limited post, this When cutter when being rotated on the face to be processed of tong arm, limited post can limit the rotation of tong arm, and then persistently process convenient for cutter.

The utility model is further arranged to: the side of the limited post towards tong arm is offered to be matched with tong arm outer rim Conflict slot.

Through the above technical solutions, contradicting slot can be improved the contact area between limited post and tong arm, to reduce knife Pressure when tool processing between tong arm and limited post, and then reduce the possibility of tong arm compressive deformation in process.

The utility model is further arranged to: the carrier block is equipped with briquetting, the carrier block away from the side of workbench It is equipped with driving cylinder, the output end of the driving cylinder is connected on briquetting, offers cutting hole on the briquetting.

Through the above technical solutions, driving cylinder can drive briquetting towards movable workbench, thus be pressed on tong arm, A pressuring action can be played to tong arm at this time, reduces the possibility that tong arm moves along the vertical direction on the table, and Cutter head can process tong arm by cutting hole, and cutting hole can play blocking, a guiding role to cutting swarf at this time, Reduce the possibility that cutting swarf splashes.

The utility model is further arranged to: sliding bar, the both ends difference of the sliding bar are equipped on the limited post Equipped with baffle and end, the sliding bar is arranged with compressed spring between end and limited post, and the baffle deviates from tong arm The side of limited post is inconsistent.

Through the above technical solutions, baffle is acted in the elastic force of compressed spring when the side of tong arm and limited post are inconsistent Under be pushed against the other side of tong arm and be further reduced tong arm so that fast automatic be clamped in tong arm on limited post and processing Mobile possibility is generated in the process.

In conclusion the utility model has the following beneficial effects:

1, driving shaft can drive multiple cutter rotations to process workpiece, so that whole process does not need to shut down Tool changing does not need clamping workpiece again yet, substantially increases processing efficiency；

2, isolating frame and protective cover can will set driving tooth, driven tooth and synchronous belt and be provide with, and set to reduce The possibility that driving tooth, driven tooth and synchronous belt are contacted with the external world.

Detailed description of the invention

Fig. 1 is the overall structure diagram of embodiment 1.

Fig. 2 is the structural schematic diagram that embodiment 1 is used to embody isolating frame.

Fig. 3 is the enlarged drawing in the portion A in Fig. 2.

Fig. 4 is the enlarged drawing in the portion B in Fig. 1.

Fig. 5 is the structural schematic diagram that embodiment 2 is used to embody briquetting.

Fig. 6 is the structural schematic diagram of tong arm in the prior art.

Appended drawing reference: 1, spindle box；11, workbench；2, cutter；3, collet axis；4, driving shaft；5, actuator；51, servo Motor；6, synchronous piece；61, driving tooth；62, driven tooth；63, synchronous belt；7, isolating frame；71, protective cover；8, clamp system；81, Carrier block；82, positioning column；83, limited post；831, slot is contradicted；84, bar is slid；85, baffle；86, end；87, compressed spring； 9, briquetting；91, cylinder is driven；92, cutting hole；10, tong arm；101, through-hole.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment 1: a kind of bull lathe, such as Fig. 1 and Fig. 2, including spindle box 1, several for clamping the collet axis of cutter 2 3 and driving shaft 4(such as Fig. 3), collet axis 3 is set as two in the present embodiment, and isolating frame 7, two folders are installed on spindle box 1 Head axis 3 is rotatably connected on spindle box 1, and isolating frame 7 is equipped with the actuator 5 that driving driving shaft 4 rotates, and actuator 5 is arranged For servo motor 51, servo motor 51 is fixedly connected on isolating frame 7, and the output end of servo motor 51 and driving shaft 4 are same Axis connection, operator can press required rotational speed by process control driving shaft 4.

Such as Fig. 2 and Fig. 3, two collet axis 3 are connect by synchronous piece 6 with driving shaft 4, synchronous piece 6 including driving tooth 61, Driven tooth 62 and synchronous belt 63, two driven tooths 62 are respectively fixedly connected on two collet axis 3, there are two driving tooth 61 is set And be fixedly connected on driving shaft 4, two driving tooths 61 are connected by two synchronous belts 63 with two driven tooths 62 respectively, Therefore when servo motor 51 drives driving shaft 4 to rotate, driving shaft 4 can pass through driving tooth 61, synchronous belt 63 and driven tooth 62 Collet axis 3 is driven to rotate, the cutter 2 of clamping can process workpiece on collet axis 3 at this time.

Such as Fig. 1 and Fig. 2, isolating frame 7 is equipped with protective cover 71, and protective cover 71 is located at all driving tooths 61, driven tooth 62 and synchronous belt 63 on, to play a protective effect to driving tooth 61, driven tooth 62 and synchronous belt 63, reduce extraneous Sundries generates the possibility of interference to driving tooth 61, driven tooth 62 and synchronous belt 63.

Such as Fig. 1 and Fig. 4, spindle box 1 is equipped with workbench 11 below isolating frame 7, and workbench 11, which is equipped with, is used for clamping clip The clamp system 8 of arm 10.Clamp system 8 includes carrier block 81, positioning column 82 and limited post 83, and carrier block 81 is fixedly connected on work Make on platform 11, positioning column 82 is fixedly connected on the side that carrier block 81 deviates from workbench 11, the diameter and tong arm 10 of positioning column 82 The internal diameter of upper through-hole 101 is identical, and the through-hole 101 of tong arm 10 can be plugged on positioning column 82 by operator, to quickly limit Movement of the tong arm 10 processed on workbench 11.Limited post 83 is installed on workbench 11, and conflict slot is offered on limited post 83 831, sliding bar 84 is also equipped on limited post 83, the both ends of sliding bar 84 are installed with baffle 85 and end 86 respectively, slide bar 84 are arranged with compressed spring 87 between end 86 and limited post 83, and the both ends of compressed spring 87 are installed in end 86 and limit respectively On the column 83 of position, when tong arm 10 is loaded on positioning column 82 by operator, tong arm 10 is located at far from one end of the Ministry of worker to be added contradicts slot In 831, and the two sides of tong arm 10 are inconsistent with the cell wall of conflict slot 831 and baffle 85 respectively, and baffle 85 is compressing at this time It is pushed against on tong arm 10 under the elastic force effect of spring 87, to quickly and easily tong arm 10 is fixed on limited post 83, to subtract The possibility that few tong arm 10 is rotated when being processed.

Such as Fig. 1, driving shaft 4 and servo motor 51 be also provided with two and its more than, to control more cutters 2 Work.

Operating process: operator can clamp the cutter 2 of different model on multiple collet axis 3, then fill tong arm 10 It is clipped on carrier block 81, when servo motor 51 drives driving shaft 4 to rotate at this time, driving shaft 4 can drive all collet axis 3 together Rotation, so that all cutters 2 be driven to rotate, operator adjusts the revolving speed of servo motor 51 in each period according to process, into And revolving speed of each different cutters 2 to work pieces process when can be quickly and easily adjusted, meet different process requirements.It is entire to add Work process does not need to shut down tool changing, does not need clamping workpiece again, therefore improve processing efficiency yet.

Embodiment 2: difference from example 1 is that, such as Fig. 5, carrier block 81 is equipped with away from the side of workbench 11 Briquetting 9, carrier block 81 are equipped with several driving cylinders 91, and the output end of driving cylinder 91 is connected on briquetting 9, to drive Cylinder 91 can drive briquetting 9 mobile towards tong arm 10 and tong arm 10 is pressed on carrier block 81, to prevent the shake of about 10 tong arm It is dynamic, cutting hole 92 is offered on briquetting 9, protrudes into order to cutter 2 and tong arm 10 is processed, and cutting hole 92 can be to cutting Bits play blocking, a guiding role, reduce the possibility that cutting swarf splashes.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (8)

1. a kind of bull lathe, it is characterised in that: including spindle box (1), it is several for clamp the collet axis (3) of cutter (2) with And driving shaft (4), each collet axis (3) are rotatably connected on spindle box (1), the spindle box (1) is equipped with driving The actuator (5) of driving shaft (4) rotation；

When the actuator (5) driving driving shaft (4) rotation, all collet axis (3) are by synchronous piece (6) and actively Axis (4) rotates synchronously.

2. bull lathe according to claim 1, it is characterised in that: the spindle box (1) is equipped with isolating frame (7), institute Stating actuator (5) includes the servo motor (51) being arranged on isolating frame (7), and the output end of the servo motor (51) coaxially connects It connects on driving shaft (4).

3. bull lathe according to claim 2, it is characterised in that: the synchronous piece (6) includes driving tooth (61), driven Tooth (62) and synchronous belt (63), the driven tooth (62) are connected on collet axis (3), the quantity of the driving tooth (61) with from Movable tooth (62) quantity is corresponding, and all driving tooths (61) are both connected on driving shaft (4), synchronous belt (63) winding In driven tooth (62) and driving tooth (61).

4. bull lathe according to claim 3, it is characterised in that: the driving tooth (61), driven tooth (62) and same Step band (63) is respectively positioned on the side that isolating frame (7) deviate from workbench (11), and the isolating frame (7) is equipped with and is provide with driving tooth (61), the protective cover (71) of driven tooth (62) and synchronous belt (63).

5. bull lathe according to claim 1 or 4, it is characterised in that: further include the clamping for clamping tong arm (10) Mechanism (8), the clamp system (8) include carrier block (81), positioning column (82) and limited post (83), and the carrier block (81) sets Set on workbench (11), the positioning column (82) be connected on carrier block (81) and with through-hole (101) phase on tong arm (10) Cooperation, the limited post (83) and tong arm (10) side wall contradict and limit tong arm (10) rotation.

6. bull lathe according to claim 5, it is characterised in that: side of the limited post (83) towards tong arm (10) Offer the conflict slot (831) matched with tong arm (10) outer rim.

7. bull lathe according to claim 6, it is characterised in that: the carrier block (81) sets away from the side of workbench Have briquetting (9), the carrier block (81) is equipped with driving cylinder (91), and the output end of driving cylinder (91) is connected to briquetting (9) on, cutting hole (92) are offered on the briquetting (9).

8. bull lathe according to claim 5, it is characterised in that: be equipped with sliding bar on the limited post (83) (84), the both ends of sliding bar (84) are respectively equipped with baffle (85) and end (86), and the sliding bar (84) is in end (86) It is arranged between limited post (83) compressed spring (87), the baffle (85) deviates from the side of limited post (83) with tong arm (10) It is inconsistent.