CN108274238B - Machine tool for drilling center hole and turning outer circle - Google Patents
Machine tool for drilling center hole and turning outer circle Download PDFInfo
- Publication number
- CN108274238B CN108274238B CN201810285582.0A CN201810285582A CN108274238B CN 108274238 B CN108274238 B CN 108274238B CN 201810285582 A CN201810285582 A CN 201810285582A CN 108274238 B CN108274238 B CN 108274238B
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- drilling
- tool
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- center
- turning
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- 238000005553 drilling Methods 0.000 claims abstract description 88
- 230000005540 biological transmission Effects 0.000 claims description 32
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Turning (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a machine tool for drilling a center hole and turning an outer circle, which comprises a base, wherein a sliding rail is arranged on the base, one end of the sliding rail is provided with a fixed carriage, the lower part of the fixed carriage is provided with a fixed cushion layer, the side surface of the fixed carriage is provided with a turning tool cutterhead, and the center drilling tool is arranged in the middle of the turning tool cutterhead; the fixture platform is arranged between the fixed carriage and the movable drilling machine. The invention can simultaneously complete the functions of drilling the center hole and turning the outer circle, and has the advantages of good universality, low manufacturing cost, compact structure, production efficiency improvement and the like.
Description
Technical Field
The invention belongs to the technical field of mechanical devices and machining, and particularly relates to a machine tool for drilling a center hole and turning an outer circle.
Background
At present, the drilling of center holes and the turning of excircles of domestic crankshaft production lines are mainly realized by two special machines for respectively drilling center holes and turning of excircles, and the existing large-scale simple special machine tools for drilling center holes have the problems that the size of the center holes is poor, and the batch quality cannot be ensured; if a special machine for drilling center holes, which can ensure the quality, is used, the problems of high manufacturing cost, large volume, difficult product model change and the like exist, and the special machine is also not suitable for mass production.
If a special machine tool for turning the excircle is additionally arranged on the basis of a machine tool for drilling the center hole, working procedures are required to be additionally arranged, and equipment, personnel and sites are occupied.
Disclosure of Invention
The invention provides a machine tool for drilling a center hole and turning an outer circle, which can simultaneously complete the functions of drilling the center hole and turning the outer circle.
In order to solve the technical problems, the invention adopts the following technical scheme:
the machine tool comprises a base, wherein a sliding rail is arranged on the base, a fixed carriage is arranged at one end of the sliding rail, a fixed cushion layer is arranged at the lower part of the fixed carriage, a turning tool cutterhead is arranged on the side surface of the fixed carriage, and a central drilling tool is arranged in the middle of the turning tool cutterhead; the clamp platform is arranged between the fixed carriage and the movable drilling machine;
the clamp table comprises a clamp bottom plate, the clamp bottom plate is connected with the slide rail in a matched manner through a sliding shoe, two centering clamps and a central clamp are arranged on the clamp bottom plate, the central clamp is positioned in the middle of the clamp bottom plate, and the centering clamps are axially symmetrically arranged relative to the central clamp;
the centering fixture comprises two movable bases which are symmetrically arranged perpendicular to the sliding rail, the two movable bases are connected through a lead screw and two nuts with opposite rotation directions, and the movable bases are respectively connected with a rotary oil cylinder; the movable base is provided with a clamping plate, and a V-shaped clamping groove is formed in the side edge, adjacent to the middle position, of the clamping plate;
the central clamp comprises a central base, vertical supporting seats are symmetrically arranged on the central base, V-shaped grooves are formed in the vertical supporting seats, lateral supporting columns are arranged on one sides of the vertical supporting seats, and lateral supporting rods are mounted on the lateral supporting columns through threads;
the lower part of the movable drilling machine is provided with a drilling machine cushion layer, one side of the movable drilling machine adjacent to the clamp table is provided with a central drilling tool, the end part of the central drilling tool is connected with a drilling tool motor through a transmission assembly, and the drilling tool motor is arranged on the upper part of the movable drilling machine.
In the above technical solution, preferably, the center clamp further includes a lateral receiving table, and the lateral receiving table is disposed at a position adjacent to the lateral support column and spaced from the two vertical support seats by the same distance.
In the above technical scheme, preferably, the lateral support table is provided with two movable clamping plates on the side surface deviating from the lateral support column, and the movable clamping plates are parallel to the vertical support seat; the movable clamping plate is connected with a movable motor, and the movable motor is arranged in the lateral bearing table.
In the above technical scheme, preferably, the upper end of the movable clamping plate is lower than the upper end of the vertical supporting seat.
In the above technical scheme, preferably, the turning tool head is symmetrically provided with a short-handle turning tool and a long-handle turning tool.
In the above technical scheme, preferably, the transmission assembly comprises a transmission shaft connected with the central drilling tool, the tail end of the transmission shaft and the output shaft of the drilling tool motor are respectively connected with a transmission wheel, and the two transmission wheels are connected through a transmission belt.
In the above technical scheme, preferably, the transmission shaft is connected with the movable drilling machine through bearings, and the bearings are respectively arranged at the front part and the rear part of the transmission shaft.
In the above technical scheme, preferably, end covers are respectively arranged at the joints of the transmission shaft and the side walls of the movable drilling machine.
In the above technical scheme, preferably, a cushion block is arranged in the V-shaped clamping groove.
In the above technical solution, preferably, the cutter head of the turning tool and the central shaft of the central drilling tool are located on the same straight line.
The machine tool for drilling the center hole and turning the outer circle has the main beneficial effects that:
the movable drilling machine is arranged on the basis of the existing lathe, and a tailstock on the conventional lathe is changed into a drilling machine capable of drilling a center hole, so that the lathe is changed into a multifunctional machine tool capable of simultaneously carrying out lathe tool and drilling tool processing; the turning tool is arranged at the edge of the turning tool cutterhead, and the center drilling tool is arranged in the middle, so that the functions of turning an outer circle and drilling a center hole can be realized simultaneously; through setting up centering anchor clamps and center anchor clamps cooperation, can be convenient centre gripping all kinds of crankshafts.
The movable base of the centering fixture is matched with two nuts with opposite screwing directions through the screw rod, the screw rod is driven to rotate through the rotary oil cylinder, the movable base is driven to move from the container, and then the V-shaped clamping groove is driven to clamp and loosen.
Through screw fixation center bores, for current structure, simple structure can effectively fix center bores, and convenient adjustment.
Drawings
Figure 1 is an isometric view of a machine tool for drilling a center hole and turning an outer circle.
Fig. 2 is a front view of the clamp table.
Fig. 3 is a side view of the centering fixture.
Figure 4 is an isometric view of a center clamp.
Fig. 5 is a schematic view of the structure of the stationary box.
Fig. 6 is a schematic view of the construction of the mobile drilling machine.
The device comprises a base, 11, a sliding rail, 12, a back baffle, 2, a fixed carriage, 21, a fixed cushion layer, 22, a turning tool head, 221, a short-handle turning tool, 222, a long-handle turning tool, 223, a center drilling tool, 3, a clamp table, 31, a centering clamp, 311, a movable base, 312, a screw, 313, a clamping plate, 314, a V-shaped clamping groove, 315, a cushion block, 316, a rotary cylinder, 32, a center clamp, 321, a center base, 322, a vertical supporting seat, 323, a lateral supporting column, 324, a lateral supporting rod, 325, a lateral supporting table, 326, a movable clamping plate, 33, a clamp bottom plate, 331, a sliding shoe, 4, a movable drilling machine, 41, a center drilling tool, 411, a center drilling tool, 42, a drilling tool motor, 43, a transmission component, 431, a transmission wheel, 432, a transmission belt, 433, a transmission shaft, 44 and an end cover.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 4, a schematic structure of a machine tool for drilling a center hole and turning an outer circle is shown.
The machine tool for drilling the center hole and turning the outer circle comprises a base 1, wherein a sliding rail 11 is arranged on the base 1, a fixed carriage 2 is arranged at one end of the sliding rail 11, a fixed cushion layer 21 is arranged at the lower part of the fixed carriage 2, a turning tool cutterhead 22 is arranged on the side surface of the fixed carriage 2, turning tools are arranged at the edge of the turning tool cutterhead 22, a short-handle turning tool 221 and a long-handle turning tool 222 are symmetrically arranged on the turning tool cutterhead 22, and a center drilling tool 223 is arranged in the middle; the slide rail 11 is provided with a clamp table 3 and a movable drilling machine 4, and the clamp table 3 is positioned between the fixed carriage 2 and the movable drilling machine 4.
The center drilling tool 223, the short-handle turning tool 211 and the long-handle turning tool 222 are arranged on the turning tool cutterhead 22 at the same time, so that the fixed carriage 2 can conduct the operations of sleeving and turning the outer circle and drilling the center hole at the same time, and different requirements of turning the outer circle can be met through the matching of the long-handle turning tool 222 and the short-handle turning tool 221, and the fixed carriage can be matched with the center drilling tool 223 better; according to the requirement, the turning tool and the drilling tool can be disassembled to adapt to different processing requirements.
The clamp table 3 comprises a clamp bottom plate 33, the clamp bottom plate 33 is connected with the slide rail 11 in a matched mode through a sliding shoe 331, two centering clamps 31 and a center clamp 32 are arranged on the clamp bottom plate 33, the center clamp 32 is located in the middle of the clamp bottom plate 33, and the centering clamps 31 are axially symmetrically arranged relative to the center clamp 32.
The centering fixture 31 comprises two movable bases 311 which are symmetrically arranged perpendicular to the slide rail 11, wherein the two movable bases 311 are connected through a lead screw 321 and two nuts with opposite rotation directions, and the movable bases 311 are connected with a rotary oil cylinder 316; the movable base 311 is provided with a clamping plate 313, a V-shaped clamping groove 314 is formed in the side edge, adjacent to the middle position, of the clamping plate 313, and a cushion block 315 is arranged in the V-shaped clamping groove 314.
The main journal of the crankshaft can be clamped by the centering jig 31 to ensure the stability of processing.
The central clamp 32 comprises a central base 321, vertical supporting seats 322 are symmetrically arranged on the central base 321, V-shaped grooves are formed in the vertical supporting seats 322, lateral supporting columns 323 are arranged on one sides of the vertical supporting seats 322, and lateral supporting rods 324 are arranged on the lateral supporting columns 323 through threads; the central clamp 32 also includes a lateral abutment 325, the lateral abutment 325 being disposed adjacent to the lateral support column 323 at the same distance from the two vertical supports 322.
The side surface of the lateral receiving platform 325, which is deviated from the lateral supporting column 323, is provided with two movable clamping plates 326, and the movable clamping plates 326 are parallel to the vertical supporting seat 322; the movable clamping plate 326 is connected with a movable motor which is arranged in the lateral receiving platform 325; the upper end of the movable clamping plate 326 is lower than the upper end of the vertical support 322.
Through the arrangement of the center clamp 32, after the centering clamp 31 finishes crankshaft clamping, the center clamp 32 is matched with the centering clamp 31 to limit the placement angle of the crankshaft, so that the stability of the crankshaft is ensured to the greatest extent; by providing the movable clamping plate 326, the movement of the crankshaft can be limited in the radial direction, and the reliability of crankshaft fixation during processing can be ensured.
The lower part of the movable drilling machine 4 is provided with a drilling machine cushion layer, and the lathe tool cutter 22 and the central shaft of the central drilling tool 41 are positioned on the same straight line through the cooperation of the drilling machine cushion layer and the fixed cushion layer 21; a center drilling tool 41 is arranged on one side of the movable drilling machine 4 adjacent to the clamp table 3, and the center drilling tool is fixed on the center drilling tool 41 through symmetrically arranged screws; the end of the center drilling tool 41 is connected with a drilling tool motor 42 through a transmission component 43, and the drilling tool motor 42 is arranged at the upper part of the movable drilling machine 4.
The transmission assembly 43 comprises a transmission shaft 433 connected with the center drilling tool 42, the tail end of the transmission shaft 433 and the output shaft of the drilling tool motor 42 are respectively connected with a transmission wheel 431, and the two transmission wheels 431 are connected through a transmission belt 432; the transmission shaft 433 is connected with the movable drilling machine 4 through bearings which are respectively arranged at the front part and the rear part of the transmission shaft 433; end covers 44 are respectively arranged at the joints of the transmission shaft 433 and the side wall of the movable drilling machine 4.
The movable drilling machine 4 is matched with the fixed carriage 2, so that crankshafts can be machined from two ends at the same time, and further the machining efficiency is remarkably improved.
The following is a description of the operation of the present invention:
in the first step, the crankshaft is placed, the V-shaped clamping groove 314 is loosened by the rotary oil cylinder 316, the crankshaft is placed in the V-shaped clamping groove 314, and the crankshaft is positioned by the vertical supporting seat 322, the lateral supporting table 325 and the lateral supporting rod 324.
And secondly, automatically clamping, namely clamping the V-shaped clamping groove 314 through the rotary oil cylinder 316, and limiting the middle part of the crankshaft through the movable clamping plate 326.
And thirdly, machining the left structural dimension, moving the clamp table 3 to the fixed carriage 2, and performing excircle machining and center hole drilling machining on the left side of the crankshaft through the turning tool cutterhead 22.
And fourthly, machining the structural dimension of the right side, moving the clamp table 3 to the movable drilling machine 4, and performing excircle machining on the right side of the crankshaft through the center drilling tool 41.
And fifthly, taking the workpiece, moving the clamp table 3 to the middle position, loosening the V-shaped clamping groove 314, and ending the processing.
The above description of the embodiments of the present invention has been provided to facilitate understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and that all the inventions using the inventive concept are to be protected as long as various changes are within the spirit and scope of the present invention as defined and defined by the appended claims to those skilled in the art.
Claims (6)
1. The machine tool for drilling the center hole and turning the outer circle is characterized by comprising a base (1), wherein a sliding rail (11) is arranged on the base (1), a fixed carriage (2) is arranged at one end of the sliding rail (11), a fixed cushion layer (21) is arranged at the lower part of the fixed carriage (2), a turning tool cutter (22) is arranged on the side surface of the fixed carriage (2), a turning tool is arranged at the edge of the turning tool cutter (22), and a center drilling tool (223) is arranged in the middle of the turning tool cutter (22); the slide rail (11) is provided with a clamp table (3) and a movable drilling machine (4), and the clamp table (3) is positioned between the fixed carriage (2) and the movable drilling machine (4);
the clamp table (3) comprises a clamp bottom plate (33), the clamp bottom plate (33) is connected with the sliding rail (11) in a matched mode through a sliding shoe (331), two centering clamps (31) and a center clamp (32) are arranged on the clamp bottom plate (33), the center clamp (32) is located in the middle of the clamp bottom plate (33), and the centering clamps (31) are axially symmetrical relative to the center clamp (32);
the centering fixture (31) comprises two movable bases (311) which are perpendicular to the sliding rail (11) and are symmetrically arranged, the two movable bases (311) are connected with two nuts with opposite rotation directions through a lead screw (312), and the movable bases (311) are connected with a rotary oil cylinder (316); a clamping plate (313) is arranged on the movable base (311), and a V-shaped clamping groove (314) is formed in the side edge, adjacent to the middle position, of the clamping plate (313);
the center clamp (32) comprises a center base (321), vertical supporting seats (322) are symmetrically arranged on the center base (321), V-shaped grooves are formed in the vertical supporting seats (322), lateral supporting columns (323) are arranged on one sides of the vertical supporting seats (322), and lateral supporting rods (324) are arranged on the lateral supporting columns (323) through threads;
the lower part of the movable drilling machine (4) is provided with a drilling machine cushion layer, one side of the movable drilling machine (4) adjacent to the clamp table (3) is provided with a central drilling tool (41), the end part of the central drilling tool (41) is connected with a drilling tool motor (42) through a transmission assembly (43), and the drilling tool motor (42) is arranged at the upper part of the movable drilling machine (4);
the central clamp (32) further comprises a lateral receiving table (325), wherein the lateral receiving table (325) is arranged at a position adjacent to the lateral support column (323) and at the same distance from the two vertical support seats (322);
the lateral supporting table (325) is arranged on the side surface deviating from the lateral supporting column (323), two movable clamping plates (326) are arranged, and the movable clamping plates (326) are parallel to the vertical supporting seat (322); the movable clamping plate (326) is connected with a movable motor, and the movable motor is arranged in the lateral bearing table (325);
the upper end of the movable clamping plate (326) is lower than the upper end of the vertical supporting seat (322);
the turning tool cutterhead (22) is symmetrically provided with a short-handle turning tool (211) and a long-handle turning tool (222).
2. The machine tool for drilling center holes and turning outer circles according to claim 1, wherein the transmission assembly (43) comprises a transmission shaft (433) connected with a center drilling tool (41), the tail end of the transmission shaft (433) and an output shaft of a drilling tool motor (42) are respectively connected with a transmission wheel (431), and the two transmission wheels (431) are connected through a transmission belt (432).
3. The machine tool for drilling a center hole and turning an outer circle according to claim 2, wherein the drive shaft (433) is connected to the movable drilling machine (4) through bearings provided at the front and rear of the drive shaft (433), respectively; end covers (44) are respectively arranged at the joints of the transmission shafts (433) and the side walls of the movable drilling machine (4).
4. The machine tool for drilling a center hole and turning an outer circle according to claim 1, wherein the center drill is fixed to the center drill (41) by symmetrically arranged screws.
5. The machine tool for drilling a center hole and turning an outer circle according to claim 1, wherein a cushion block (315) is arranged in the V-shaped clamping groove (314).
6. The machine tool for drilling a center hole and turning an outer circle according to claim 1, wherein the turning tool insert (22) is co-linear with the central axis of the center drilling tool (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810285582.0A CN108274238B (en) | 2018-04-03 | 2018-04-03 | Machine tool for drilling center hole and turning outer circle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810285582.0A CN108274238B (en) | 2018-04-03 | 2018-04-03 | Machine tool for drilling center hole and turning outer circle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108274238A CN108274238A (en) | 2018-07-13 |
| CN108274238B true CN108274238B (en) | 2024-02-27 |
Family
ID=62811101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810285582.0A Active CN108274238B (en) | 2018-04-03 | 2018-04-03 | Machine tool for drilling center hole and turning outer circle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108274238B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1647354A1 (en) * | 2004-10-16 | 2006-04-19 | PVM GmbH | Miniature machining center with multiaxis drilling tool or milling cutter |
| CN103522068A (en) * | 2013-10-18 | 2014-01-22 | 沈阳市大鑫数控机械有限责任公司 | Special numerical control machine tool for milling end face, drilling center hole and lathing outer circle of thin and long shaft part |
| CN104526358A (en) * | 2014-12-30 | 2015-04-22 | 巨鑫机床有限公司 | Turning, milling, drilling, boring and tapping composite machining center |
| CN104690578A (en) * | 2015-03-18 | 2015-06-10 | 桂林电子科技大学 | Hydraulic clamp used for end face hole of horizontal type center drill bent axle |
| CN204524785U (en) * | 2015-04-22 | 2015-08-05 | 马鞍山市恒久特材有限公司 | The lathe of a kind of self-centering end face milling, centering and cover turning |
| CN205021256U (en) * | 2015-10-14 | 2016-02-10 | 台州市中亚曲轴制造有限公司 | A positioning fixture for processing of bent axle balancing hole |
| CN205571984U (en) * | 2016-03-12 | 2016-09-14 | 杭州宏科自动化机械有限公司 | Bent axle frock clamp |
| KR20160116473A (en) * | 2015-03-30 | 2016-10-10 | 한국건드릴 주식회사 | Hydraulic rotary jig apparatus for deep-hole drilling machine |
| CN206824962U (en) * | 2017-07-01 | 2018-01-02 | 浙江旺邦精密机床有限公司 | Wheel hub wagon drill integrated device |
| CN208614209U (en) * | 2018-04-03 | 2019-03-19 | 内江金鸿曲轴有限公司 | A kind of lathe for the simultaneous set turning of drill centers |
-
2018
- 2018-04-03 CN CN201810285582.0A patent/CN108274238B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1647354A1 (en) * | 2004-10-16 | 2006-04-19 | PVM GmbH | Miniature machining center with multiaxis drilling tool or milling cutter |
| CN103522068A (en) * | 2013-10-18 | 2014-01-22 | 沈阳市大鑫数控机械有限责任公司 | Special numerical control machine tool for milling end face, drilling center hole and lathing outer circle of thin and long shaft part |
| CN104526358A (en) * | 2014-12-30 | 2015-04-22 | 巨鑫机床有限公司 | Turning, milling, drilling, boring and tapping composite machining center |
| CN104690578A (en) * | 2015-03-18 | 2015-06-10 | 桂林电子科技大学 | Hydraulic clamp used for end face hole of horizontal type center drill bent axle |
| KR20160116473A (en) * | 2015-03-30 | 2016-10-10 | 한국건드릴 주식회사 | Hydraulic rotary jig apparatus for deep-hole drilling machine |
| CN204524785U (en) * | 2015-04-22 | 2015-08-05 | 马鞍山市恒久特材有限公司 | The lathe of a kind of self-centering end face milling, centering and cover turning |
| CN205021256U (en) * | 2015-10-14 | 2016-02-10 | 台州市中亚曲轴制造有限公司 | A positioning fixture for processing of bent axle balancing hole |
| CN205571984U (en) * | 2016-03-12 | 2016-09-14 | 杭州宏科自动化机械有限公司 | Bent axle frock clamp |
| CN206824962U (en) * | 2017-07-01 | 2018-01-02 | 浙江旺邦精密机床有限公司 | Wheel hub wagon drill integrated device |
| CN208614209U (en) * | 2018-04-03 | 2019-03-19 | 内江金鸿曲轴有限公司 | A kind of lathe for the simultaneous set turning of drill centers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108274238A (en) | 2018-07-13 |
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