CN211249285U - Lathe with tool rest and tailstock synchronously feeding - Google Patents
Lathe with tool rest and tailstock synchronously feeding Download PDFInfo
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- CN211249285U CN211249285U CN201922264706.XU CN201922264706U CN211249285U CN 211249285 U CN211249285 U CN 211249285U CN 201922264706 U CN201922264706 U CN 201922264706U CN 211249285 U CN211249285 U CN 211249285U
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Abstract
The utility model relates to a lathe of knife rest and tailstock synchronous feed relates to the technical field of petrochemical accessory processing, it includes the frame, be provided with three-jaw chuck in the frame, the knife rest, tailstock and pneumatic cylinder, three-jaw chuck sets up in the one end of frame and rotates with the frame to be connected, the knife rest slides with the frame along three-jaw chuck's axial with the tailstock all to be connected, through bolt fixedly connected with tool bit on the knife rest, with three-jaw chuck coaxial core and towards three-jaw chuck fixedly connected with drill bit on the tailstock, the axle center of pneumatic cylinder is parallel with three-jaw chuck's axle center, the cylinder body and the frame fixed connection of pneumatic cylinder, knife rest and tailstock all are connected with the piston rod of pneumatic cylinder. The utility model discloses have the effect that makes knife rest and tailstock synchronous feed, and when needs carry out turning or drilling alone to the work piece, the position of accessible adjustment lazytongs and knife rest makes and carries out solitary turning or makes the drill bit carry out solitary drilling to the work piece.
Description
Technical Field
The utility model belongs to the technical field of the technique of petrochemical engineering accessory processing and specifically relates to a lathe that knife rest and tailstock synchronous feed is related to.
Background
A lathe is a machine tool for turning a rotating workpiece mainly with a lathe tool. The lathe can also be used for corresponding processing by using a drill bit, a reamer, a screw tap, a die, a knurling tool and the like. The lathe has wide processing objects, the rotating speed and the feed amount of the three-jaw chuck have wide adjusting range, and the inner and outer surfaces, the end surfaces and the inner and outer threads of the workpiece can be processed. The lathe is mainly manually operated by workers, has low production efficiency and is suitable for single-piece and small-batch production and repair workshops.
Referring to fig. 4, the existing lathe mainly includes a frame 1, one end of the frame 1 is rotatably connected with a three-jaw chuck 11, the frame 1 is also rotatably connected with a third lead screw 12, and the third lead screw 12 is parallel to the axis of the three-jaw chuck 11. The rack 1 is provided with a tool rest 21, the tool rest 21 is in threaded connection with the third lead screw 12, and the tool rest 21 is connected with the rack 1 in a sliding manner along the length direction of the third lead screw 12. A turning tool 211 is fixedly connected to the tool holder 21, and the turning tool 211 faces the workpiece. The end of the frame 1 far away from the three-jaw chuck 11 is further provided with a tail frame 22, the tail frame 22 is coaxial with the three-jaw chuck 11 and is connected with a shaft sleeve 223 in a sliding manner along the axial direction of the three-jaw chuck 11, and one end of the shaft sleeve 223 facing the three-jaw chuck 11 is fixedly connected with a drill bit 221. A fourth lead screw 224 is coaxially and rotatably connected with the three-jaw chuck 11 in the tailstock 22, and the fourth lead screw 224 is in threaded connection with a shaft sleeve 223. A rotating rod 225 is coaxially and fixedly connected to the fourth lead screw 224 through the tailstock 22 at one end far away from the three-jaw chuck 11. When the workpiece needs to be machined, the third lead screw 12 is rotated to feed the turning tool 211, so that the workpiece can be machined. When it is necessary to drill a workpiece, the second hand wheel is rotated to feed the drill 221, so that the workpiece can be drilled.
The above prior art solutions have the following drawbacks: some moulds required by petrochemical industry need turning and drilling, the turning distance is the same as the drilling depth, when the lathe is used, the turning and the drilling can only be carried out step by step, a turning tool and a drill bit cannot be synchronously fed, and the machining efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The lathe that exists to prior art, the utility model aims at providing a knife rest and tailstock synchronous feed can make knife rest and tailstock synchronous feed.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a lathe of knife rest and tailstock synchronous feed, which comprises a frame, be provided with three-jaw chuck in the frame, the knife rest, tailstock and pneumatic cylinder, three-jaw chuck sets up the one end in the frame and rotates with the frame to be connected, the knife rest all slides along three-jaw chuck's axial with the frame with the tailstock and is connected, through bolt fixedly connected with tool bit on the knife rest, with three-jaw chuck coaxial core and towards three-jaw chuck fixedly connected with drill bit on the tailstock, the axle center of pneumatic cylinder is parallel with the axle center of three-jaw chuck, the cylinder body and the frame fixed connection of pneumatic cylinder, knife rest and tailstock all are connected with the piston rod of pneumatic cylinder.
By adopting the technical scheme, when a workpiece with the turning distance being the same as the drilling depth is machined, the piston rod of the hydraulic cylinder extends out, the cutter head and the drill bit can synchronously feed, namely, the workpiece is drilled, and simultaneously, the workpiece is cut, and the drilling depth is the same as the cutting length, so that the synchronous feeding of the turning tool and the drill bit is realized; turning and drilling are not required to be completed step by step, so that the machining efficiency is improved; and because the secondary feeding is not needed, the error generated during feeding is avoided, and the processing precision is improved.
The present invention may be further configured in a preferred embodiment as: the rack is also provided with a tool rest base, the tool rest base is connected with the rack in a sliding manner along the axial direction of the three-jaw chuck, a second lead screw is arranged on the tool rest base, the axis of the second lead screw is perpendicular to the axis of the three-jaw chuck, the tool rest is connected with the tool rest base in a sliding manner along the direction perpendicular to the axis of the three-jaw chuck, the second lead screw is connected with the tool rest base in a rotating manner, the second lead screw is connected with the tool rest base in a threaded manner, and a piston rod of a hydraulic cylinder is.
By adopting the technical scheme, when the cutting amount of a workpiece needs to be adjusted, the second screw rod is rotated, so that the tool rest slides along the direction perpendicular to the axis of the three-jaw chuck, the feeding amount of the turning tool can be adjusted, and the adaptability of the lathe is improved.
The present invention may be further configured in a preferred embodiment as: the piston rod of pneumatic cylinder passes tailstock and knife rest base fixed connection, and the tailstock slides with the piston rod of pneumatic cylinder and is connected, is provided with the lazytongs that is used for making knife rest and tailstock synchronous motion on the knife rest base, and the knife rest base can be dismantled through lazytongs with the tailstock and be connected.
By adopting the technical scheme, when independent drilling is required, the synchronous mechanism fixes the tool rest base and the tail frame, the piston rod of the hydraulic cylinder can drive the tail frame to slide while driving the tool rest to slide, the tool rest slides on the tool rest base, so that the turning tool is not abutted against a workpiece, and the piston rod extending out of the hydraulic cylinder only drills the workpiece; when the turning needs to be carried out independently, the synchronous mechanism separates the tool rest from the tailstock, the piston rod of the hydraulic cylinder can only push the tool rest to slide at the moment, and the tailstock keeps still, so that the turning processing can be carried out on the workpiece only at the moment.
The present invention may be further configured in a preferred embodiment as: the synchronous mechanism comprises positioning teeth, the positioning teeth are rotatably connected to the tool rest base, the positioning teeth are parallel to the rotating shaft of the tool rest base and the axis of the three-jaw chuck, a tooth groove is formed in the tailstock, and the positioning teeth are clamped with the tooth groove.
By adopting the technical scheme, when the tool rest and the tailstock need to move synchronously, the tailstock is slid to align the tooth grooves on the tailstock with the positioning teeth, the positioning teeth are rotated to be meshed into the tooth grooves, and the tool rest and the tailstock can synchronously feed or retract by extending or retracting the piston rod of the hydraulic cylinder; when the tool rest needs to move independently, the positioning teeth are pulled off, so that the positioning teeth are separated from the tooth grooves, and at the moment, the piston rod of the hydraulic cylinder can only control the feeding and the withdrawing of the turning tool.
The present invention may be further configured in a preferred embodiment as: the positioning teeth are fixedly connected with a handle on one end surface far away from the tool rest base when being meshed with the tooth grooves.
By adopting the technical scheme, the positioning teeth are convenient for operators to break off and engage with the tooth grooves; and meanwhile, when the positioning teeth are not meshed with the tooth grooves, the sliding of the tool rest and the tailstock is not influenced.
The present invention may be further configured in a preferred embodiment as: the synchronizing mechanism further comprises a stop block, the stop block is rotatably connected with the tool rest base, the stop block and the rotating shaft of the tool rest base are perpendicular to the positioning teeth and the rotating shaft of the tool rest base, and the stop block is abutted to one end, far away from the tooth socket, of the positioning teeth.
Through adopting above-mentioned technical scheme, rotate the dog after location tooth and tooth's socket meshing, make the dog butt on the terminal surface that the tooth's socket was kept away from to the location tooth, location tooth can't rotate with the knife rest base this moment, consequently when needs knife rest and tailstock synchronous feed, has avoided location tooth and constant head tank to throw off for knife rest and tailstock keep synchronous operation.
The present invention may be further configured in a preferred embodiment as: the synchronous mechanism further comprises a sliding block and a first lead screw, the sliding block slides and is connected with the tool rest base along the direction perpendicular to the axis of the three-jaw chuck, the positioning teeth are rotatably connected onto the sliding block, the stop block is also rotatably connected onto the sliding block, the axis of the first lead screw is parallel to the sliding direction of the sliding block, the first lead screw is rotatably connected with the sliding block, and the first lead screw is in threaded connection with the tool rest base.
By adopting the technical scheme, the positioning teeth can be meshed with the tooth grooves only by rotating, so that gaps are reserved between the positioning teeth and the tooth grooves, and when the hydraulic cylinder drives the tool rest and the tailstock to synchronously feed, the reaction of the tailstock is slightly delayed, so that the synchronous feeding precision is reduced; through rotating the first lead screw, after the positioning teeth are meshed with the tooth grooves, the positioning teeth can be completely pressed in the tooth grooves, the effect of reaction delay of the tailstock is relieved, and the precision of synchronous feeding is improved.
The present invention may be further configured in a preferred embodiment as: the stop block is coaxial with the first lead screw along the rotating shaft of the tool rest base, and the stop block is fixedly connected with the first lead screw.
Through adopting above-mentioned technical scheme, after the location tooth meshing to the tooth's socket, alright rotate first lead screw simultaneously when rotating the dog again, reduced operating personnel's operating procedure, improved operating efficiency.
To sum up, the utility model discloses a following at least one useful technological effect:
1. through the setting of pneumatic cylinder for knife rest and tailstock can synchronous feed, and then make the lathe carry out synchronous turning and drilling to the work piece, both can improve the efficiency of processing man-hour, need not retreat sword and feed again moreover, the error that produces when having avoided the feed has improved the machining precision.
2. Through the arrangement of the synchronizing mechanism and the arrangement of the tool rest base, the lathe can carry out independent turning and independent drilling on the workpiece, the adaptability of the lathe is improved, and the workpieces of different styles can be conveniently processed.
3. Through the arrangement of the sliding block and the first lead screw, after the positioning teeth are meshed with the tooth grooves, the positioning teeth can be completely pressed in the tooth grooves, the effect of reaction delay of the tailstock is relieved, and the precision of synchronous feeding is improved.
4. Through setting up the dog along knife rest base pivoted axis of rotation to coaxial with first lead screw, and dog and first lead screw fixed connection, after in the tooth's socket is engaged with to the location tooth, alright rotate first lead screw simultaneously when rotating the dog again, reduced operating personnel's operating procedure, improved operating efficiency.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged partial view of portion B of FIG. 2;
fig. 4 is a partial cross-sectional schematic view of a prior art overall structure.
Reference numerals: 1. a frame; 11. a three-jaw chuck; 12. a third lead screw; 21. a tool holder; 211. turning a tool; 22. a tailstock; 221. a drill bit; 222. positioning blocks; 223. a shaft sleeve; 224. a fourth lead screw; 225. rotating the rod; 23. a hydraulic cylinder; 24. a tool holder base; 241. a second lead screw; 242. a connecting seat; 3. a synchronization mechanism; 31. positioning teeth; 311. a handle; 32. a tooth socket; 33. a stopper; 34. a slider; 35. a first lead screw.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the present embodiment provides a lathe with a tool post and a tailstock feeding synchronously, which includes a frame 1, wherein a three-jaw chuck 11, a tool post 21, a tailstock 22, a tool post base 24 and a hydraulic cylinder 23 are arranged on the frame 1; the three-jaw chuck 11 is rotatably connected to one end of the frame 1, and the three-jaw chuck 11 is driven by a motor. The tool rest base 24 and the tail frame 22 are connected with the rack 1 in a sliding manner along the axial direction of the three-jaw chuck 11, the tool rest base 24 is provided with a tool rest 21 and a second lead screw 241, and the axis of the second lead screw 241 is perpendicular to the axis of the three-jaw chuck 11.
Referring to fig. 1 and 2, the second screw shaft 241 is rotatably connected to the tool post base 24, the second screw shaft 241 is screwed to the tool post 21, and the tool post 21 can be slidably moved along the axis of the second screw shaft 241 and the tool post base 24 by rotating the second screw shaft 241. The tool head is fixedly connected to the tool rest 21 through a bolt, the drill bit 221 is fixedly connected to the tail frame 22 coaxially with the three-jaw chuck 11, and the drill bit 221 can be fixedly connected to the tail frame 22 through a key or a bolt.
The cylinder body of the hydraulic cylinder 23 is fixedly connected to the frame 1 through a bolt, and the axis of the hydraulic cylinder 23 is parallel to the axis of the three-jaw chuck 11. The piston rod of the hydraulic cylinder 23 penetrates through the tail frame 22 and is fixedly connected with the tool rest base 24 through a bolt, and the tail frame 22 is connected with the piston rod of the hydraulic cylinder 23 in a sliding mode. The hydraulic cylinder 23 in this embodiment is powered by an oil pump.
Referring to fig. 2 and 3, the tool rest base 24 is provided with a synchronizing mechanism 3 for synchronously feeding the tool rest 21 and the tailstock 22, and the synchronizing mechanism 3 includes a positioning tooth 31, a slider 34, a stopper 33, and a first lead screw 35. The slide block 34 is U-shaped, the slide block 34 is connected with the tool rest base 24 in a sliding mode, and the sliding direction of the slide block 34 is the same as that of the tool rest 21.
One surface of the tail frame 22 close to the slider 34 is welded with a positioning block 222, and one end surface of the positioning block 222 close to the slider 34 is provided with a tooth socket 32. The positioning teeth 31 are hinged on the sliding block 34, and the positioning teeth 31 are arranged between two side arms of the sliding block 34 and meshed with the tooth grooves 32 after the positioning teeth 31 rotate around the sliding block 34. The handle 311 is welded on the positioning tooth 31, and when the positioning tooth 31 is engaged with the tooth groove 32, the handle 311 is positioned on the end surface of the positioning tooth 31 far away from the tool holder base 24. When an operator needs to rotate the positioning teeth 31, the operator only needs to pull the handle 311, which is convenient for the operator to operate.
The stopper 33 is rotatably connected to one side arm of the slider 34, and the axis of the rotatable connection of the stopper 33 and the slider 34 is parallel to the sliding direction of the slider 34. When the positioning teeth 31 are engaged with the slots 32, the stopper 33 is rotated, and the side of the stopper 33 facing away from the slots 32 abuts.
The first lead screw 35 is rotatably connected to one side arm of the sliding block 34, the axis of the first lead screw 35 is coaxial with the axis of the stop 33, and the stop 33 is in key connection with the first lead screw 35. The tool rest base 24 is welded with a connecting seat 242 for connecting the first lead screw 35, the connecting seat 242 is arranged between the sliding block 34 and the tail frame 22, an internal thread is formed in the connecting seat 242, and one end, far away from the sliding block 34, of the first lead screw 35 is in threaded connection with the connecting seat 242.
The implementation principle of the embodiment is as follows:
when only the workpiece needs to be turned, the stop block 33 is rotated firstly, so that the stop block 33 cannot be abutted against the positioning teeth 31; then, the positioning teeth 31 are disengaged from the tooth grooves 32 by pulling the handle 311 to rotate the positioning teeth 31, at this time, the piston rod of the hydraulic cylinder 23 is extended, and the hydraulic rod only drives the tool rest base 24 to slide, so that only the tool rest 21 is driven to feed;
when the hole needs to be turned and the workpiece needs to be turned, the handle 311 is firstly pulled to rotate the positioning teeth 31, so that the positioning teeth 31 are meshed with the tooth grooves 32; then, the stop 33 is rotated to enable the slide block 34 to slide towards the tail frame 22, and further the positioning teeth 31 are pressed in the tooth grooves 32; at the moment, a piston rod of the hydraulic cylinder 23 extends out, the hydraulic cylinder 23 can simultaneously drive the knife rest base 24 and the tail rest 22 to slide, and further simultaneously drive the knife rest 21 and the tail rest 22 to feed;
when only the workpiece needs to be drilled, the second lead screw 241 is rotated on the basis that the tool rest 21 and the tailstock 22 synchronously feed, and the tool bit is moved to a position where the workpiece cannot be turned.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A lathe with a tool rest and a tailstock capable of synchronously feeding comprises a rack (1), wherein a three-jaw chuck (11), the tool rest (21) and the tailstock (22) are arranged on the rack (1); three-jaw chuck (11) set up in the one end of frame (1) and rotate with frame (1) and be connected, through bolt fixedly connected with tool bit on knife rest (21), with the axle center and towards three-jaw chuck (11) fixedly connected with drill bit (221) on tailstock (22) with three-jaw chuck (11), a serial communication port, still be provided with pneumatic cylinder (23) on frame (1), knife rest (21) and tailstock (22) all slide along the axial of three-jaw chuck (11) and are connected with frame (1), the axle center of pneumatic cylinder (23) is parallel with the axle center of three-jaw chuck (11), the cylinder body and the frame (1) fixed connection of pneumatic cylinder (23), knife rest (21) and tailstock (22) all are connected with the piston rod of pneumatic cylinder (23).
2. The lathe with the tool rest synchronously fed with the tailstock according to claim 1, wherein: still be provided with knife rest base (24) on frame (1), knife rest base (24) slide along the axial of three-jaw chuck (11) and frame (1) and be connected, be provided with second lead screw (241) on knife rest base (24), the axle center of second lead screw (241) is perpendicular with the axle center of three-jaw chuck (11), knife rest (21) slide along the direction of perpendicular to three-jaw chuck (11) axle center with knife rest base (24) and be connected, second lead screw (241) rotates with knife rest base (24) and is connected, second lead screw (241) and knife rest (21) threaded connection, the piston rod and knife rest base (24) of pneumatic cylinder (23) are connected.
3. The lathe with the tool rest synchronously fed with the tailstock according to claim 2, wherein: the piston rod of pneumatic cylinder (23) passes tailstock (22) and knife rest base (24) fixed connection, and tailstock (22) slides with the piston rod of pneumatic cylinder (23) and is connected, is provided with on knife rest base (24) and is used for making knife rest (21) and tailstock (22) simultaneous movement's lazytongs (3), and knife rest base (24) can be dismantled through lazytongs (3) with tailstock (22) and be connected.
4. A lathe with a tool post and tailstock synchronously feeding as claimed in claim 3, wherein: the synchronous mechanism (3) comprises positioning teeth (31), the positioning teeth (31) are rotatably connected to the tool rest base (24), the positioning teeth (31) are parallel to the axis of the rotating shaft of the tool rest base (24) and the axis of the three-jaw chuck (11), a tooth groove (32) is formed in the tail frame (22), and the positioning teeth (31) are connected with the tooth groove (32) in a clamped mode.
5. The lathe with the tool rest synchronously fed with the tailstock according to claim 4, wherein: and a handle (311) is fixedly connected to one end face of the positioning tooth (31) far away from the tool rest base (24) when being meshed with the tooth groove (32).
6. The lathe with the tool rest synchronously fed with the tailstock according to claim 5, wherein: the synchronizing mechanism (3) further comprises a stop block (33), the stop block (33) is rotatably connected with the tool rest base (24), the rotating shaft of the stop block (33) and the tool rest base (24) is perpendicular to the rotating shaft of the positioning teeth (31) and the tool rest base (24), and the stop block (33) is abutted to one end, far away from the tooth grooves (32), of the positioning teeth (31).
7. The lathe with the tool rest synchronously fed with the tailstock according to claim 6, wherein: the synchronizing mechanism (3) further comprises a sliding block (34) and a first lead screw (35), the sliding block (34) is connected with the tool rest base (24) in a sliding mode along the direction perpendicular to the axis of the three-jaw chuck (11), the positioning teeth (31) are connected to the sliding block (34) in a rotating mode, the stop block (33) is also connected to the sliding block (34) in a rotating mode, the axis of the first lead screw (35) is parallel to the sliding direction of the sliding block (34), the first lead screw (35) is connected with the sliding block (34) in a rotating mode, and the first lead screw (35) is connected with the tool rest base (24) in a threaded mode.
8. The lathe with the tool post and the tailstock synchronously feeding as claimed in claim 7, wherein: the stop block (33) is coaxial with the first lead screw (35) along a rotating shaft of the tool rest base (24), and the stop block (33) is fixedly connected with the first lead screw (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264706.XU CN211249285U (en) | 2019-12-16 | 2019-12-16 | Lathe with tool rest and tailstock synchronously feeding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922264706.XU CN211249285U (en) | 2019-12-16 | 2019-12-16 | Lathe with tool rest and tailstock synchronously feeding |
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| CN211249285U true CN211249285U (en) | 2020-08-14 |
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| CN201922264706.XU Active CN211249285U (en) | 2019-12-16 | 2019-12-16 | Lathe with tool rest and tailstock synchronously feeding |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369599A (en) * | 2021-08-12 | 2021-09-10 | 国宏激光科技(江苏)有限公司 | Thread turning device |
| CN115007887A (en) * | 2022-07-01 | 2022-09-06 | 张金涛 | High-precision double-mountain-shaped guide rail numerical control horizontal lathe boring machine |
| CN116511551A (en) * | 2023-07-03 | 2023-08-01 | 广东亚数智能科技股份有限公司 | High-speed synchronous tool rest of numerical control lathe and machining method |
-
2019
- 2019-12-16 CN CN201922264706.XU patent/CN211249285U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369599A (en) * | 2021-08-12 | 2021-09-10 | 国宏激光科技(江苏)有限公司 | Thread turning device |
| CN113369599B (en) * | 2021-08-12 | 2021-11-05 | 国宏激光科技(江苏)有限公司 | Thread turning device |
| CN115007887A (en) * | 2022-07-01 | 2022-09-06 | 张金涛 | High-precision double-mountain-shaped guide rail numerical control horizontal lathe boring machine |
| CN115007887B (en) * | 2022-07-01 | 2024-04-19 | 上海纳申汽车零部件有限公司 | High-precision double-mountain type guide rail numerical control horizontal lathe boring machine |
| CN116511551A (en) * | 2023-07-03 | 2023-08-01 | 广东亚数智能科技股份有限公司 | High-speed synchronous tool rest of numerical control lathe and machining method |
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