Deep hole machining device for horizontal lathe
Technical Field
The utility model relates to the technical field of machine tools, in particular to a deep hole machining device for a horizontal lathe.
Background
The common horizontal lathe, the numerical control horizontal lathe and the pipe threading lathe of the large main shaft through hole only have the functions of turning excircles, end faces, threads and drilling and boring shallow holes, and the numerical control turning center is added with indexing milling and drilling functions on the basis of the numerical control horizontal lathe, but the machine tools have no deep hole drilling and boring functions.
When a workpiece is machined on the basis of a lathe or a turning center and deep hole drilling and boring are needed, a method is generally adopted in which the machining can be met by using special deep hole drilling and boring equipment, so that repeated clamping caused by the method can cause low precision and efficiency, and meanwhile, the purchasing cost is increased.
Disclosure of utility model
The utility model provides a deep hole processing device for a horizontal lathe, which solves the technical problems in the prior art, and adopts the following technical scheme to realize the purposes:
A deep hole processingequipment for horizontal lathe, including lathe bed, headstock, tailstock, knife rest, feed system, chuck, closed center frame, open center frame, water collector still include:
The boring bar bracket is fixedly connected above the lathe bed and positioned at one side of the closed center frame far away from the workpiece, and a boring bar guide sleeve which is used for being matched with the boring bar in a coaxial sliding connection is arranged on the boring bar bracket;
the boring tool holder is fixedly connected above the X-direction sliding plate of the feeding system, and a first through hole for interference fit with the boring bar is formed in the boring tool holder;
the chuck chip removing hopper is arranged above the lathe bed and is positioned at one side of the chuck, and a through hole for clearance fit with the workpiece and the chuck is formed in the chuck chip removing hopper;
The middle chip removing hopper is arranged above the lathe body and between the closed center frame and the boring bar bracket, and is provided with a through hole for clearance fit with the boring bar and the workpiece;
The chuck chip removing hopper and the middle chip removing hopper are hollow, and the lower end of the chuck chip removing hopper and the middle chip removing hopper are provided with chip removing ports.
Further, the boring tool comprises an auxiliary supporting beam, the auxiliary supporting beam is fixedly connected above the Z-direction sliding plate of the feeding system, and the boring tool seat is connected with the auxiliary supporting beam in a sliding manner along the radial direction of the workpiece.
Further, the upper end of the auxiliary supporting beam is provided with a guide rail, the lengths of the guide rail are distributed along the radial direction of the workpiece, and the boring cutter holder is provided with a sliding block which is matched and connected with the guide rail in a sliding manner.
Further, the boring cutter seat is composed of a fixed seat and an upper cover plate positioned above the fixed seat, and the upper cover plate is detachably and fixedly connected with the fixed seat through bolts.
Further, the chuck chip removing hopper and the middle chip removing hopper are both composed of an upper chip removing hopper and a lower chip removing hopper, a water receiving edge is arranged on the outer side of the lower chip removing hopper, and the water receiving edge is connected with an inner cavity of the lower chip removing hopper.
Furthermore, the inside fixedly connected with collecting plate of chip hopper still down, the collecting plate sets up in the chip discharge mouth outside and slope distribution.
Further, the upper end of the upper chip removing hopper is fixedly connected with a hanging ring.
Furthermore, the side walls of the chuck chip removing hopper and the middle chip removing hopper are respectively provided with an observation window.
The utility model has the beneficial effects that:
1. the boring bar is supported by arranging the boring tool holder and the boring bar bracket, one end of the boring bar is fixedly connected with the boring tool holder, the other end of the boring bar slides along the axial direction of the workpiece through the boring bar guide sleeve, so that the functions of reducing deflection deformation and guide of the boring bar are achieved, the boring tool holder is fixed with an X-direction sliding plate of a feeding system, and the position of the boring bar in the radial direction of the workpiece can be adjusted through the feeding system before boring until the boring bar and the workpiece are coaxially distributed, and compared with a mode of adopting special deep hole boring equipment, repeated clamping is not needed, and the machining precision and the machining efficiency are effectively improved;
2. The Z-direction sliding plate of the feeding system is provided with an auxiliary supporting beam to carry out auxiliary support on the boring cutter seat, so that the rigidity of the boring cutter seat can be improved, meanwhile, an X-direction guiding structure is arranged between the boring cutter seat and the auxiliary supporting beam, the movement direction of the boring cutter seat can be limited, the reliability of the movement between parts is improved, the boring cutter seat is fixedly connected with the Z-direction sliding plate of the feeding system through the auxiliary supporting beam, and the boring cutter seat and the boring rod can be driven to carry out feeding movement along the axial direction of a workpiece through the feeding system when the boring is processed;
3. The cooling liquid and scrap iron at the joint of the boring bar and the workpiece and at the joint of the boring bar and the chuck are respectively collected by arranging the middle scrap discharge hopper and the chuck scrap discharge hopper, so that the scattered scrap iron in the machine tool is reduced, the manual cleaning difficulty and the downtime are reduced, and the risks of slipping, electrical short circuit and the like caused by splashing of the scrap iron or overflow of the cooling liquid are avoided;
4. the middle chip removing hopper and the chuck chip removing hopper are of split type structure with the upper chip removing hopper and the lower chip removing hopper overlapped, the installation is convenient, the water receiving edge is arranged on the outer side of the lower chip removing hopper, cooling liquid overflowing to the outer surface of the chip removing hopper can be collected and discharged through the chip removing port, and the collecting plate is arranged in the middle chip removing hopper and is convenient for collecting and discharging the cooling liquid and the scrap iron;
5. the device can be installed and used on any standard common horizontal lathe, numerical control horizontal lathe, pipe threading lathe with large through holes and numerical control turning center, and has stronger universality.
Drawings
FIG. 1 is a schematic view of a conventional horizontal lathe
FIG. 2 is a schematic perspective view of the present utility model
FIG. 3 is a schematic view of a boring bar support structure
FIG. 4 is a schematic diagram of the connection structure of the boring tool holder and the feed system
FIG. 5 is a schematic view of an intermediate chip hopper
FIG. 6 is a schematic view of a chuck chip hopper
Wherein:
The tool comprises a machine body, a 2-headstock, a 3-tailstock, a 4-tool rest, a 5-feeding system, a 501-Z-direction sliding plate, a 502-X-direction sliding plate, a 6-chuck, a 7-closed center frame, an 8-open center frame, a 9-water receiving disc, a 10-boring tool holder, a 1001-fixed seat, a 1002-upper cover plate, a 1003-first through hole, an 11-auxiliary supporting beam, a 12-boring bar, a 13-boring bar bracket, a 14-middle chip removing bucket, a 15-chuck chip removing bucket, a 16-workpiece, a 17-boring bar guide sleeve, a 18-guide rail, a 19-slider, a 20-cutting tool, a 21-lifting ring, a 22-observation window, a 23-water receiving edge, a 24-collecting plate, a 25-chip removing port, a 26-boring bar through hole, a 27-workpiece through hole, a 28-chuck through hole, a 29-upper chip removing bucket and a 30-lower chip removing bucket.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In the description of the utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the view direction or positional relationships, merely to facilitate describing the utility model, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model.
In the present embodiment, for convenience of description, the axial direction of the workpiece 16 is taken as the Z direction, and the radial direction of the workpiece 16 is taken as the X direction.
The deep hole machining device for the horizontal lathe comprises a lathe bed 1, a headstock 2, a tailstock 3, a tool rest 4, a feeding system 5, a chuck 6, a closed center frame 7, an open center frame 8, a water receiving disc 9, a boring cutter seat 10, a boring rod support 13, an intermediate chip removing bucket 14 and a chuck chip removing bucket 15, wherein the boring cutter seat 10 is connected above the feeding system 5, the boring rod support 13 is fixedly connected above the lathe bed 1 and is positioned on one side of the Z-direction rear of the closed center frame 7, the boring rod 12 is supported by the boring cutter seat 10 and the boring rod support 13, the intermediate chip removing bucket 14 is positioned between the boring rod support 13 and the closed center frame 7 and used for collecting cooling liquid and scrap iron at a machining position of the boring rod 12 and a workpiece 16, and the chuck chip removing bucket 15 is positioned on one side of the Z-direction rear of the chuck 6 and is used for collecting cooling liquid and scrap iron at a joint of the chuck 6 and the workpiece 16.
Specifically, as shown in fig. 2 and 3, the boring bar support 13 is fixedly connected above the lathe bed 1 and is distributed with the closed center frame 7 at intervals in the axial direction of the workpiece 16, the boring bar support 13 is of a split structure which is distributed up and down, the boring bar support 13 is fixedly connected with the boring bar guide sleeve 17, one end of the boring bar 12 with the cutting tool 22 is coaxially and slidably connected with the boring bar guide sleeve 17, the boring bar 12 can be guided by the boring bar guide sleeve 17, deflection deformation of the boring bar 12 is reduced, and the boring bar support 13 adopts the split structure, and can adapt to boring bars 12 with different diameters by replacing the boring bar guide sleeves 17 with different inner diameters.
In addition, the boring tool holder 10 adopts a split structure, an auxiliary support beam 11 is fixedly connected to one side of the Z direction above the Z direction sliding plate 501, the upper end of the auxiliary support beam 11 is provided with a guide rail 18, the length of the guide rail 18 is fixedly connected to the upper end of the X direction sliding plate 502, namely, the upper end of the auxiliary support beam 11 is detachably and fixedly connected to the upper side of the fixed seat 1001 through bolts, semicircular grooves which are distributed along the Z direction in a penetrating manner are formed in the fixed seat 1001 and the upper cover plate 1002, the fixed seat 1001 and the upper cover plate 1002 are matched to form a first through hole 1003, one end of the boring rod 12 is placed behind the semicircular groove of the fixed seat 1001, the upper cover plate 1002 is fixed with the fixed seat 1001 through bolts, so that the end of the boring rod 12 is screwed and fixed with the fixed seat 1001, and at the moment, the end of the boring rod 12 is fixedly connected with the boring tool holder 10, the length of the guide rail 18 is arranged along the length of the X direction, namely, the lower side of the boring tool holder 11 is fixedly connected with the boring tool holder 11 along the radial direction, and the boring tool holder 11 is fixedly connected with the auxiliary support beam 10 through bolts, and the boring tool holder 11 is fixedly connected with the auxiliary support beam 18 along the axial direction through the guide rail 18, and the axial direction of the boring tool holder 10 is fixedly connected with the boring tool holder 10 through the auxiliary support system, and the boring tool holder 10 is fixedly connected with the boring tool holder 10 through bolts, and the boring tool holder 10 is fixedly, and the boring tool holder is fixedly connected with the boring tool holder and the boring tool holder.
As shown in fig. 2 and 5, the middle chip removing hopper 14 is of a split structure, and is composed of an upper chip removing hopper 29 and a lower chip removing hopper 30 which are lapped on each other, wherein the lower end of the upper chip removing hopper 29 is uncovered, the upper end of the lower chip removing hopper 30 is uncovered, the upper end of the upper chip removing hopper 29 is matched with the lower chip removing hopper 30 to form an internal hollow cavity, a chip removing port 25 is arranged at the lower end of the lower chip removing hopper 30, boring rod through holes 26 and workpiece through holes 27 are respectively arranged on two Z-direction side surfaces of the middle chip removing hopper 14, the boring rod through holes 26 are larger than the outer diameter of the boring rod 12, the workpiece through holes 27 are larger than the outer diameter of the workpiece 16, in addition, a lifting ring 21 is fixed above the upper chip removing hopper 29, the upper chip removing hopper 29 is conveniently lifted and placed above the lower chip removing hopper 30, a water receiving edge 23 is fixedly connected to the outer side surface of the upper end of the lower chip removing hopper 30, the water receiving edge 23 is distributed along the circumferential direction of the lower chip removing hopper 30 and is communicated with the inside of the lower chip removing hopper 30, two groups of collecting plates 24 are respectively arranged below the inner parts of the lower chip removing hopper 30, the two groups of the collecting plates 24 are respectively located on two sides of the chip removing port 25 in the X-direction, each group of the collecting plates 24 are obliquely distributed from the X-direction, and the X-direction is obliquely upwards and the workpiece 22 is obliquely upwards and is obliquely arranged from the upper side wall 22 through the observation window 22.
One end of the boring bar 12 passes through the boring bar bracket 13, then passes through the boring bar through hole 26 and stretches into the cavity of the middle chip removing hopper 14, one end of the workpiece 16 passes through the closed center frame 7, then passes through the workpiece through hole 27 and stretches into the cavity of the middle chip removing hopper 14, during processing, scrap iron and most of cooling liquid are discharged onto the water receiving disc 9 through the chip removing port 25 after passing through the collecting plate 24, and a small part of cooling liquid flows into the cavity of the lower chip removing hopper 30 after being collected through the water receiving edge 23 and finally is discharged onto the water receiving disc 9 through the chip removing port 25.
As shown in fig. 2 and 6, the overall structure of the chuck chip removing hopper 15 is the same as that of the intermediate chip removing hopper 14, except that the diameter of the through hole of the chuck chip removing hopper 15 on the two sides in the X direction is set, specifically, a chuck through hole 28 is provided on one side of the chuck chip removing hopper 15 close to the chuck 6, the diameter of the chuck through hole 28 is larger than the diameter of the outer circle of the chuck 6, a workpiece through hole 27 is provided on the side close to the closed center frame 7, the diameter of the workpiece through hole 27 is larger than the outer diameter of the workpiece 16, and the other structures are the same as those of the intermediate chip removing hopper 14, so that redundant description is not repeated in this embodiment.
When deep hole processing is carried out on the workpiece 16 by utilizing the device, the working principle is as follows:
Firstly, lifting an upper chip removing hopper 29 of the middle chip removing hopper 14 and the chuck chip removing hopper 15 through a lifting ring 21, putting the upper chip removing hopper 29 into a workpiece 16, fixedly connecting the two axial ends of the workpiece 16 with a closed center frame 7 and a chuck 6 respectively, and lifting the chip removing hopper 29 and overlapping the upper chip removing hopper 30 correspondingly after the mounting; the boring bar 12 is installed, the two axial ends of the boring bar 12 are respectively connected with the boring cutter seat 10 and the boring bar bracket 13 in a sliding way along the Z direction, then the feeding system 5 drives the X-direction sliding plate 502 to move, so that the boring cutter seat 10 is driven to slide along the X direction on the auxiliary supporting beam 11, the position of the boring bar 12 is adjusted until the boring bar is coaxial with the workpiece 16, during boring, the feeding system 5 drives the Z-direction sliding plate 501 to drive the boring cutter seat 10, the boring bar 12 and the cutting tool 20 thereof to move along the Z direction, namely the axial direction of the workpiece 16, so that deep holes are formed on the workpiece 16, and during boring, cooling liquid flows outwards through the chuck 6 and the inlet of the boring bar 12, and the middle chip removing hopper 14 and the chuck hopper 15 arranged on the lathe bed 1 play a role in collecting cooling liquid and chip removing.
The foregoing is merely a preferred embodiment of the utility model and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.