CN113319388A - Numerical control linear cutting machining method for straight gear assembly shaft engineering training teaching - Google Patents
Numerical control linear cutting machining method for straight gear assembly shaft engineering training teaching Download PDFInfo
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- CN113319388A CN113319388A CN202110607782.5A CN202110607782A CN113319388A CN 113319388 A CN113319388 A CN 113319388A CN 202110607782 A CN202110607782 A CN 202110607782A CN 113319388 A CN113319388 A CN 113319388A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 144
- 238000003754 machining Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000003672 processing method Methods 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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Abstract
The invention discloses a numerical control linear cutting machining method for straight gear assembly shaft engineering training teaching, which comprises the following steps of: a. manufacturing a straight gear assembly axis cutting machining clamp; b. placing a straight gear assembly shaft blank into a straight gear assembly axis cutting machining clamp and clamping; c. determining a machining coordinate system on the numerical control linear cutting equipment; d. operating a straight gear linear cutting machining program, and performing linear cutting machining on a straight gear assembly shaft blank to obtain a straight gear assembly shaft workpiece and annular machining excess materials; e. and taking out the straight gear assembly shaft workpiece and the processing excess material from the straight gear assembly shaft line cutting processing clamp. The numerical control linear cutting machining method for the straight gear assembly shaft engineering training teaching adopts the mode that two equal waist edges are fastened by the fastening screws so as to adapt to the size change of a straight gear assembly shaft blank, and saves the preparation time for straight gear assembly shaft line cutting machining.
Description
Technical Field
The invention relates to the field of linear cutting, in particular to a numerical control linear cutting machining method for straight gear assembly shaft engineering training teaching.
Background
In the teaching of the straight gear assembly shaft numerical control linear cutting engineering, a straight gear assembly shaft workpiece drawing is determined, the straight gear assembly shaft is a stepped shaft, the middle part of the stepped shaft is provided with a straight gear which is connected into a whole, and the steps of the existing engineering training teaching numerical control linear cutting machining method of the straight gear assembly shaft are as follows: 1. a straight gear assembly shaft blank is machined by a lathe, a cylinder connected into a whole is arranged in the middle of the step shaft, and the diameter of the cylinder is larger than the maximum outer diameter of the straight gear; 2. drilling a blank placing hole and a small hole with the diameter of 3 mm on the steel plate for online cutting by using a drilling machine, wherein the diameter of the blank placing hole is larger than the maximum outer diameter of the shaft, and the distance between the central line of the small hole and the central line of the blank placing hole is larger than the radius of a cylinder to be processed; 3. the straight gear linear cutting processing program is compiled according to the geometric shape of a straight gear assembly shaft workpiece, the doping numbers such as reference circle diameter, modulus, tooth number, tooth profile angle and the like of the straight gear are recorded according to a straight gear assembly shaft workpiece drawing, and the straight gear processing program of the linear cutting machine is input; 4. placing a steel plate for linear cutting on a workbench of a numerical control linear cutting device, enabling a stepped shaft of a blank of a straight gear assembly shaft to penetrate through a blank placing hole of the steel plate for linear cutting, enabling a cylinder of the blank of the straight gear assembly shaft to be placed on the steel plate, and enabling a linear cutting wire to penetrate through a small hole with the diameter of 3 mm; 5. and cutting the workpiece gear shaft blank into the shape of the gear according to the tool setting inlet wire. After one workpiece is machined, the second machining is carried out, and the steps are repeated. The numerical control wire cutting manufacturing method not only needs to process a plurality of holes, but also cuts off one piece of the gear shape of the workpiece gear shaft from the steel plate after wire cutting, and when a batch of gear shafts are processed, the efficiency is low, and the plate consumption of the steel plate for wire cutting is high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the numerical control linear cutting machining method for the straight gear assembly shaft engineering training teaching is used, so that the consumption of steel plate materials for linear cutting can be avoided, and the preparation time for straight gear assembly axis cutting machining is saved.
To solve the technical problem, the technical scheme of the invention is as follows: the utility model provides a numerical control wire-electrode cutting processing method of straight-teeth gear assembly axle engineering training teaching, according to straight-teeth gear assembly axle work piece drawing, lathe processing goes out straight-teeth gear assembly axle blank, according to straight-teeth gear assembly axle work piece geometry and gear parameter the straight-teeth gear wire-electrode cutting procedure of making on numerical control wire-electrode cutting equipment, its characterized in that: the numerical control linear cutting processing method for the straight gear assembly shaft engineering training teaching comprises the following steps:
a. manufacturing a straight gear assembly axis cutting machining clamp,
b. placing a straight gear assembly shaft blank into a straight gear assembly axis cutting machining clamp and clamping;
c. determining a machining coordinate system on the numerical control linear cutting equipment;
d. operating a straight gear linear cutting machining program, and performing linear cutting machining on a straight gear assembly shaft blank to obtain a straight gear assembly shaft workpiece and annular machining excess materials;
e. and taking out the straight gear assembly shaft workpiece and the processing excess material from the straight gear assembly shaft line cutting processing clamp.
The straight gear assembling axis cutting machining clamp in the step a comprises a main body plate, a fastening piece and workbench connecting pieces, wherein the main body plate is provided with a first long edge, the main body plate is provided with a blank placing hole through which a gear shaft blank passes, a linear cutting tool setting hole, a linear cutting wire walking path and more than two workbench connecting pieces passing holes, two ends of the linear cutting wire walking path are respectively communicated with the linear cutting tool setting hole and the blank placing hole, the blank placing hole is provided with a first positioning edge, a second positioning edge and a third edge, an extension line of the first positioning edge, an extension line of the second positioning edge and the third edge form an isosceles triangle, the first positioning edge is a section of one equal waist side of the equal waist triangle, the second positioning edge is a section of the other equal waist side of the equal waist triangle, the third edge is parallel to the first long edge of the main body plate, and the fastening piece is positioned on one side of the first long edge of the main body plate, the workstation connecting piece more than two passes the hole and is located the side that the hole was placed to the blank.
The extension line of the first positioning edge, the extension line of the second positioning edge and the perpendicular bisector of the third edge of the isosceles triangle formed by the third edge are used for cutting the circle center of the knife hole through a line.
The main body plate is a cuboid, the main body plate is provided with a second long edge parallel to the first long edge of the main body plate, and a wire cutting wire channel is arranged between the wire cutting counter knife hole and the second long edge of the main body plate.
The fastener is two fastening bolts arranged along the perpendicular bisector line of the third edge.
The straight gear assembling axis cutting machining clamp in the step a comprises a main body plate, two fastening bolts and a workbench connecting piece, wherein the main body plate is provided with a first long edge of the main body plate, the main body plate is provided with a wire cutting tool aligning hole, more than two installing holes of the workbench connecting piece and a blank placing hole through which a straight gear assembling shaft blank passes, the blank placing hole is provided with a first positioning edge, a second positioning edge, a third edge and a fourth edge, the first positioning edge, the second positioning edge, the third edge and the fourth edge form an isosceles trapezoid, the third edge and the fourth edge are both parallel to the first long edge of the main body plate, the size of the fourth edge is smaller than that of the third edge, the third edge is close to the first long edge of the main body plate, the two fastening bolts are positioned on one side of the first long edge of the main body plate, the wire cutting tool aligning hole is positioned in the middle of the third edge, the wire cutting tool aligning hole is communicated with the blank placing hole, the more than two connecting pieces of the workbench are arranged on the side of the blank placing hole, the workbench connecting piece passes through the workbench connecting piece mounting hole.
A wire cutting wire channel is arranged between the wire cutting tool setting hole and the first strip edge of the main body plate.
The main body plate is a cuboid, and the diameter of the linear cutting counter knife hole is 6-10 mm.
The invention relates to a numerical control linear cutting processing method for straight gear assembly shaft engineering training teaching, which adopts the mode that a straight gear assembly shaft blank is positioned in a blank placing hole of a main body plate block in the engineering training teaching, and a numerical control linear cutting device is used in the straight gear assembly shaft blank linear cutting.
Drawings
The numerical control linear cutting processing method for the straight gear assembly shaft engineering training teaching of the invention is further described in detail with reference to the accompanying drawings;
FIG. 1 is a schematic structural view of a first embodiment of a spur gear assembly axis cutting machining fixture;
FIG. 2 is a schematic top view of FIG. 1;
FIG. 3 is a schematic structural view of a second embodiment of a spur gear assembly axis cutting machining fixture;
FIG. 4 is a schematic structural view of a third embodiment of a cutting jig for a fitting axis of a spur gear;
FIG. 5 is a schematic structural view of a fourth embodiment of a cutting jig for a fitting axis of a spur gear;
in fig. 1, 2, 3, 4, 5, 1, the main body panel block; 2. the workbench connecting piece penetrates through the hole; 3. cutting a tool aligning hole in a linear mode; 4. a wire cutting wire walkway; 5. placing a blank hole; 6. a fastener; 7. a first positioning edge; 8. a second positioning edge; 9. a first long edge of the main body plate; 10. a third side; 11. a wire cutting wire channel.
Detailed Description
As shown in fig. 1 and 2, in a first embodiment of the present invention, a straight gear assembling axis cutting machining fixture is disclosed, which comprises a main body plate 1, a fastening member 6 and a workbench connecting member, wherein the main body plate 1 has a first long side 9 of the main body plate, the main body plate 1 is provided with a blank placing hole 5 through which a gear shaft blank passes, a wire cutting counter-knife hole 3, a wire cutting wire passage 4 and two or more workbench connecting member passing holes 2, two ends of the wire cutting wire passage 4 are respectively communicated with the wire cutting counter-knife hole 3 and the blank placing hole 5, the blank placing hole 5 has a first positioning edge 7, a second positioning edge 8 and a third edge 10, an extension line of the first positioning edge 7, an extension line of the second positioning edge 8 and an extension line of the third edge 10 form an isosceles triangle, the first positioning edge 7 is a segment of an isosceles triangle, the second positioning edge 8 is a segment of the other isosceles triangle, third edge 10 is parallel with the first long edge 9 of main body plate, and fastener 6 is located the first long edge 9 one side of main body plate, and is perpendicular with the first long edge 9 of main body plate, and the fastener is two tight set bolts along the perpendicular bisector line arrangement of third edge, and three workstation connecting piece passes hole 2 and is located the side that the hole 5 was placed to the blank. The middle line of the linear cutting wire walking path 4 is perpendicular to the first long edge 9 of the main body plate, the main body plate 1 is a cuboid, and the main body plate is provided with a second long edge which is parallel to the first long edge 9 of the main body plate.
Fig. 3 shows a second embodiment of the present invention, in which a spur gear assembly axis cutting jig is substantially the same as that of the first embodiment, except that a main body plate 1 is a rectangular parallelepiped having a second long side parallel to a first long side 9 of the main body plate, and a wire cutting string passage 11 is provided between a wire cutting counter-cutting hole 3 and the second long side of the main body plate.
Fig. 4 shows a third embodiment of the present invention, which discloses a straight gear assembling axis cutting and processing fixture, comprising a main body plate 1, a fastening member 6 and a workbench connecting member, wherein the main body plate 1 is a cuboid, the main body plate 1 has a first long side 9 of the main body plate, the main body plate 1 is provided with a blank placing hole 5 through which a gear shaft blank passes, a line cutting tool setting hole 3 and more than two workbench connecting member passing holes 2, the blank placing hole 5 has a first positioning side 7, a second positioning side 8 and a third side 10, an extension line of the first positioning side 7, an extension line of the second positioning side 8 and an extension line of the third side 10 form an isosceles triangle, the first positioning side 7 is a section of an equal waist side of the equal waist triangle, the second positioning side 8 is a section of another equal waist side of the equal waist triangle, the third side 10 is parallel to the first long side 9 of the main body plate, fastener 6 is located the first long limit 9 one side of main body plate, and is perpendicular with the first long limit 9 of main body plate, and fastener 6 is two tight set bolts along the perpendicular bisector line arrangement of third limit, and the line cutting is located the centre of third limit 10 to sword hole 3, and three workstation connecting piece passes hole 2 and is located the side that the hole 5 was placed to the blank. In order to facilitate threading of the cutting wire, a wire cutting wire channel is arranged between the wire cutting tool setting hole 3 and the first long edge 9 of the main body plate.
Fig. 5 shows a fourth embodiment of the present invention, in which a structure of a spur gear assembling axis cutting jig is substantially the same as that of the third embodiment, except that a wire cutting thread passage 11 is provided between the wire cutting counter bore 3 and the first long side 9 of the main body plate, so that a cutting thread can be inserted first, and the cutting thread enters the wire cutting counter bore 3 from the wire cutting thread passage 11.
Taking the fourth embodiment as an example, a usage of the straight gear assembling axis cutting machining fixture is described, a straight gear assembling axis blank is machined by a lathe according to a straight gear assembling axis workpiece drawing, a straight gear linear cutting machining program is woven on a numerical control linear cutting device according to the geometric shape and gear parameters of the straight gear assembling axis workpiece, the straight gear assembling axis blank is inserted into a blank placing hole 5, and a machining coordinate system is determined on a linear cutting machine for a tool hole 3 by linear cutting. Namely, a straight gear linear cutting program needs to input a tool setting offset value in the X direction and a tool setting offset value in the Y direction, the radius R of a straight gear assembly shaft blank is firstly obtained, a linear cutting wire enters a linear cutting tool setting hole 3, sparks are generated by the linear cutting wire in the X direction of the linear cutting tool setting hole 3 along any chord respectively in one time, the X1 and the X2 values are obtained, the tool setting offset value in the X direction is the sum of X1 and X2 divided by 2, after the X direction of the linear cutting wire is adjusted, the linear cutting wire enters along the Y direction and gradually approaches the straight gear assembly shaft blank to generate sparks, the Y1 value is obtained, the tool setting offset value in the Y direction is the sum of Y1 and the radius R, a machining coordinate system is determined, the straight gear linear cutting program is operated, linear cutting machining is carried out on the straight gear assembly shaft blank, the straight gear assembly shaft blank forms a straight gear assembly shaft workpiece and annular machining excess materials, and then a numerical control linear cutting training fastener for teaching straight gear assembly shaft engineering is loosened, taking out the straight gear assembly shaft workpiece and the processing excess material from the numerical control linear cutting processing auxiliary part for the straight gear assembly shaft engineering training teaching.
The invention discloses a numerical control linear cutting machining method for straight gear assembly shaft engineering training teaching, which comprises the following steps:
a. manufacturing a straight gear assembly axis cutting machining clamp,
b. placing a straight gear assembly shaft blank into a straight gear assembly axis cutting machining clamp and clamping;
c. determining a machining coordinate system on the numerical control linear cutting equipment;
d. operating a straight gear linear cutting machining program, and performing linear cutting machining on a straight gear assembly shaft blank to obtain a straight gear assembly shaft workpiece and annular machining excess materials;
e. and taking out the straight gear assembly shaft workpiece and the processing excess material from the straight gear assembly shaft line cutting processing clamp.
The invention relates to a numerical control linear cutting processing method for straight gear assembly shaft engineering training teaching, which adopts the mode that a straight gear assembly shaft blank is positioned in a blank placing hole of a main body plate block in the engineering training teaching, and a numerical control linear cutting device is used in the straight gear assembly shaft blank linear cutting.
Claims (8)
1. The utility model provides a numerical control wire-electrode cutting processing method of straight-teeth gear assembly axle engineering training teaching, according to straight-teeth gear assembly axle work piece drawing, lathe processing goes out straight-teeth gear assembly axle blank, according to straight-teeth gear assembly axle work piece geometry and gear parameter the straight-teeth gear wire-electrode cutting procedure of making on numerical control wire-electrode cutting equipment, its characterized in that: the numerical control linear cutting processing method for the straight gear assembly shaft engineering training teaching comprises the following steps:
a. manufacturing a straight gear assembly axis cutting machining clamp,
b. placing a straight gear assembly shaft blank into a straight gear assembly axis cutting machining clamp and clamping;
c. determining a machining coordinate system on the numerical control linear cutting equipment;
d. operating a straight gear linear cutting machining program, and performing linear cutting machining on a straight gear assembly shaft blank to obtain a straight gear assembly shaft workpiece and annular machining excess materials;
e. and taking out the straight gear assembly shaft workpiece and the processing excess material from the straight gear assembly shaft line cutting processing clamp.
2. The numerical control linear cutting machining method for the spur gear assembly shaft engineering training teaching according to claim 1, characterized in that: the straight gear assembling axis cutting machining clamp in the step a comprises a main body plate, a fastening piece and workbench connecting pieces, wherein the main body plate is provided with a first long edge, the main body plate is provided with a blank placing hole through which a gear shaft blank passes, a linear cutting tool setting hole, a linear cutting wire walking path and more than two workbench connecting pieces passing holes, two ends of the linear cutting wire walking path are respectively communicated with the linear cutting tool setting hole and the blank placing hole, the blank placing hole is provided with a first positioning edge, a second positioning edge and a third edge, an extension line of the first positioning edge, an extension line of the second positioning edge and the third edge form an isosceles triangle, the first positioning edge is a section of one equal waist side of the equal waist triangle, the second positioning edge is a section of the other equal waist side of the equal waist triangle, the third edge is parallel to the first long edge of the main body plate, and the fastening piece is positioned on one side of the first long edge of the main body plate, the workstation connecting piece more than two passes the hole and is located the side that the hole was placed to the blank.
3. The numerical control linear cutting machining method for the spur gear assembly shaft engineering training teaching according to claim 2, characterized in that: the extension line of the first positioning edge, the extension line of the second positioning edge and the perpendicular bisector of the third edge of the isosceles triangle formed by the third edge are used for cutting the circle center of the knife hole through a line.
4. The numerical control linear cutting machining method for the spur gear assembly shaft engineering training teaching according to claim 3, characterized in that: the main body plate is a cuboid, the main body plate is provided with a second long edge parallel to the first long edge of the main body plate, and a wire cutting wire channel is arranged between the wire cutting counter knife hole and the second long edge of the main body plate.
5. The numerical control linear cutting machining method for the spur gear assembly shaft engineering training teaching according to claim 3, characterized in that: the fastener is two fastening bolts arranged along the perpendicular bisector line of the third edge.
6. The numerical control linear cutting machining method for the spur gear assembly shaft engineering training teaching according to claim 1, characterized in that: the straight gear assembling axis cutting machining clamp in the step a comprises a main body plate, two fastening bolts and a workbench connecting piece, wherein the main body plate is provided with a first long edge of the main body plate, the main body plate is provided with a wire cutting tool aligning hole, more than two installing holes of the workbench connecting piece and a blank placing hole through which a straight gear assembling shaft blank passes, the blank placing hole is provided with a first positioning edge, a second positioning edge, a third edge and a fourth edge, the first positioning edge, the second positioning edge, the third edge and the fourth edge form an isosceles trapezoid, the third edge and the fourth edge are both parallel to the first long edge of the main body plate, the size of the fourth edge is smaller than that of the third edge, the third edge is close to the first long edge of the main body plate, the two fastening bolts are positioned on one side of the first long edge of the main body plate, the wire cutting tool aligning hole is positioned in the middle of the third edge, the wire cutting tool aligning hole is communicated with the blank placing hole, the more than two connecting pieces of the workbench are arranged on the side of the blank placing hole, the workbench connecting piece passes through the workbench connecting piece mounting hole.
7. The numerical control linear cutting machining method for the spur gear assembly shaft engineering training teaching according to claim 6, characterized in that: a wire cutting wire channel is arranged between the wire cutting tool setting hole and the first strip edge of the main body plate.
8. The spur gear assembling axis cutting machining jig according to claim 6, wherein: the main body plate is a cuboid, and the diameter of the linear cutting counter knife hole is 6-10 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110607782.5A CN113319388A (en) | 2021-06-01 | 2021-06-01 | Numerical control linear cutting machining method for straight gear assembly shaft engineering training teaching |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110607782.5A CN113319388A (en) | 2021-06-01 | 2021-06-01 | Numerical control linear cutting machining method for straight gear assembly shaft engineering training teaching |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5183987A (en) * | 1990-04-05 | 1993-02-02 | Fanuc Ltd. | Cut-out piece removing method in electric discharge machining and an apparatus therefor |
| CN201366556Y (en) * | 2009-03-24 | 2009-12-23 | 哈尔滨飞机工业集团有限责任公司 | Chucking appliance for processing gear form of gear shaft |
| CN106624228A (en) * | 2017-01-20 | 2017-05-10 | 合肥工业大学 | Wire cutting processing method for micro segment gear |
| CN209550829U (en) * | 2019-03-05 | 2019-10-29 | 安庆职业技术学院 | A kind of small-sized wire cutting machine tool fixture clamping axial workpiece |
| CN213163525U (en) * | 2020-08-10 | 2021-05-11 | 辽宁忠旺铝合金精深加工有限公司 | Quick centering device for wire-electrode cutting machining concentric circles |
-
2021
- 2021-06-01 CN CN202110607782.5A patent/CN113319388A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5183987A (en) * | 1990-04-05 | 1993-02-02 | Fanuc Ltd. | Cut-out piece removing method in electric discharge machining and an apparatus therefor |
| CN201366556Y (en) * | 2009-03-24 | 2009-12-23 | 哈尔滨飞机工业集团有限责任公司 | Chucking appliance for processing gear form of gear shaft |
| CN106624228A (en) * | 2017-01-20 | 2017-05-10 | 合肥工业大学 | Wire cutting processing method for micro segment gear |
| CN209550829U (en) * | 2019-03-05 | 2019-10-29 | 安庆职业技术学院 | A kind of small-sized wire cutting machine tool fixture clamping axial workpiece |
| CN213163525U (en) * | 2020-08-10 | 2021-05-11 | 辽宁忠旺铝合金精深加工有限公司 | Quick centering device for wire-electrode cutting machining concentric circles |
Non-Patent Citations (2)
| Title |
|---|
| 占磊: "《https://wenku.baidu.com/view/3ee0202dddccda38366baf15.html》", 18 May 2014 * |
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Application publication date: 20210831 |