CN113523465A - Linear cutting device for processing straight gear by using damaged gear - Google Patents
Linear cutting device for processing straight gear by using damaged gear Download PDFInfo
- Publication number
- CN113523465A CN113523465A CN202110821307.8A CN202110821307A CN113523465A CN 113523465 A CN113523465 A CN 113523465A CN 202110821307 A CN202110821307 A CN 202110821307A CN 113523465 A CN113523465 A CN 113523465A
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- gear
- linear cutting
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- wire
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- 238000005520 cutting process Methods 0.000 title claims abstract description 95
- 238000003754 machining Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000009763 wire-cut EDM Methods 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Classifications
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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
-
- 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
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a linear cutting device for processing a straight gear by utilizing a damaged gear, which comprises a numerical control linear cutting machine and a linear cutting machine workbench, wherein a linear cutting processing auxiliary, a ground rail, a gear supporting mechanism and a clamping part are arranged beside the numerical control linear cutting machine, a roller moving along the ground rail is arranged at the lower part of the gear supporting mechanism, the clamping part is positioned beside the gear supporting mechanism, the damaged gear is placed above the gear supporting mechanism, and the damaged gear is positioned by a first positioning edge, a second positioning edge and the clamping part of the linear cutting processing auxiliary during linear cutting processing. The invention relates to a linear cutting device for processing a straight gear by utilizing a damaged gear, which adopts the structure, wherein the linear cutting auxiliary part is provided with a first positioning edge and a second positioning edge which take the central line of a main body plate block as a symmetrical shaft, and the damaged gear is tangent to the first positioning edge and the second positioning edge, so that the scrapped gear can be processed into the straight gear with smaller diameter for use by linear cutting, and the manufacturing cost can be reduced.
Description
Technical Field
The invention relates to the field of straight gear linear cutting, in particular to a linear cutting device for processing a straight gear by utilizing a damaged gear.
Background
At present, more than 95 percent of electric spark wire cutting machines at home and abroad adopt numerical control, and adopt a digital automatic control technology to drive the machine tool to automatically finish machining a spur gear according to a numerical control machining program preset and programmed according to geometric parameters of a workpiece before machining. The gear transmission has wide application field, the gear transmission damage is mainly the damage of the swing tooth, the damage forms include pitting, breaking, abrasion, plastic deformation and gluing, and the damage is serious and can only be discarded. At present, no linear cutting device for processing the straight gear by using the damaged gear piece can be used for processing the damaged gear piece into the straight gear by linear cutting as a blank.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the linear cutting device for processing the straight gear by utilizing the damaged gear can be used for linearly cutting and processing the damaged gear into the straight gear as a blank, so that the manufacturing cost is reduced.
To solve the technical problem, the technical scheme of the invention is as follows: a linear cutting device for processing a straight gear by utilizing a damaged gear comprises a numerical control linear cutting machine tool and a linear cutting machine tool workbench, wherein a linear cutting auxiliary, a ground track, a gear supporting mechanism and a clamping part are arranged beside the numerical control linear cutting machine tool, the linear cutting auxiliary is provided with a linear cutting tool aligning hole, a linear cutting wire passage, a main body plate long edge, a first positioning edge and a second positioning edge, the main body plate long edge is close to the numerical control linear cutting machine tool, one end of the linear cutting wire passage is communicated with the linear cutting tool aligning hole, the other end of the linear cutting wire passage is intersected with the first positioning edge and the second positioning edge respectively, the central line of the linear cutting wire passage is a main body plate central line, the first positioning edge and the second positioning edge use the main body plate central line as symmetrical axes, the included angle of the first positioning edge and the main body plate central line is an acute angle, the ground track is arranged under the main body plate central line, the lower part of the gear supporting mechanism is provided with a roller which moves along a ground track, the clamping part is positioned at the side of the gear supporting mechanism, a damaged gear is placed above the gear supporting mechanism, and the damaged gear is positioned by a first positioning edge, a second positioning edge and a clamping part of an auxiliary part for wire cutting machining during wire cutting machining.
The gear supporting mechanism comprises a roller, a gear supporting seat and a bracket, the gear supporting seat is positioned above the roller, the upper part of the gear supporting seat is cylindrical, the bracket is fixedly connected with the gear supporting seat, and the clamping part is arranged on the upper part of the bracket.
The gear supporting mechanism is further provided with a mandrel and a compression spring, a step groove for placing the mandrel is formed in the upper surface of the gear supporting seat, the compression spring is located below the mandrel, and the top of the mandrel is provided with a conical section which is matched with a gear hole of a damaged gear.
The clamping part comprises a bolt and an arc-shaped pressing strip, and the arc-shaped pressing strip is fixedly connected to the end part of the bolt.
And a wire cutting wire channel is arranged between the wire cutting tool aligning hole and the long edge of the main body plate block.
The lower part of the gear supporting seat is provided with a detachable baffle.
The invention relates to a linear cutting device for processing a straight gear by utilizing a damaged gear, which adopts the structure, wherein the linear cutting auxiliary part is provided with a first positioning edge and a second positioning edge which take the central line of a main body plate block as a symmetrical shaft, the damaged gear is tangent to the first positioning edge and the second positioning edge, and the damaged gear is positioned by utilizing a telescopic mandrel arranged on a gear supporting seat, so that the accuracy of a linear cutting coordinate system of the damaged gear is ensured, the scrapped gear can be processed into the straight gear with smaller diameter by linear cutting for use, and the manufacturing cost can be reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings, wherein the cutting device is a linear cutting device for processing a spur gear by using a damaged gear;
FIG. 1 is a schematic structural view of a wire cutting apparatus for processing a spur gear using a damaged gear according to the present invention;
FIG. 2 is a schematic view of the cutting aid of FIG. 1;
FIG. 3 is an enlarged view of the connection structure of the gear support mechanism and the clamping portion shown in FIG. 1;
in fig. 1, 2 and 3, 1, a numerical control linear cutting machine; 2. a linear cutting machine tool workbench; 3. wire cutting machining accessories; 4. a ground track; 5. a gear support mechanism; 6. a clamping portion; 7. a wire cutting wire channel; 8. a baffle plate; 9. cutting a tool aligning hole in a linear mode; 10. a first positioning edge; 11. the central line of the main body plate; 12. a second positioning edge; 13. a wire cutting wire walkway; 14. the main body plate block has long edges; 15. a mandrel; 16. a compression spring; 17. an arc-shaped pressing strip; 18. a bolt; 19. a support; 20. a roller; 21. a gear support base.
Detailed Description
As shown in fig. 1, 2 and 3, the wire cutting device for processing a spur gear by using a damaged gear according to the present invention includes a numerically controlled wire cutting machine 1, a wire cutting machine table 2, a wire cutting auxiliary 3, a ground rail 4, a gear supporting mechanism 5 and a clamping portion 6, the wire cutting auxiliary 3, the ground rail 4, the gear supporting mechanism 5 and the clamping portion 6 are provided beside the numerically controlled wire cutting machine 1, the wire cutting auxiliary 3 has a wire cutting counter-knife hole 9, a wire cutting wire passage 13, a main body block long side 14, a main body block central line 11, a first positioning side 10 and a second positioning side 12, the main body block long side 14 is close to the numerically controlled wire cutting machine 1, one end of the wire cutting wire passage 13 is connected to the wire cutting counter-knife hole 9, the other end of the wire cutting wire passage 13 is respectively intersected with the first positioning side 10 and the second positioning side 12, the central line of the wire cutting wire passage 13 is the main body block central line 11, the first positioning edge 10 and the second positioning edge 12 use the central line 11 of the main body plate as a symmetry axis, the included angle between the first positioning edge and the central line of the main body plate is an acute angle, and the ground track 4 is arranged right below the central line 11 of the main body plate.
The gear supporting mechanism 5 comprises a roller 20, a gear supporting seat 21, a baffle plate 8, a mandrel 15, a compression spring 16 and a bracket 19, wherein the gear supporting seat 21 is positioned above the roller 20, the detachable baffle plate 8 is arranged at the lower part of the gear supporting seat, the upper part of the gear supporting seat 21 is cylindrical, when the size of the cylindrical body is required to cut a damaged gear piece on line, a wire-electrode cutting wire is not affected, a step groove for placing the mandrel 15 is formed in the upper surface of the gear supporting seat 21, the compression spring 16 is positioned below the mandrel 15, a conical section is arranged at the top of the mandrel 15, a gear hole of the damaged gear piece is contacted with the conical section of the mandrel 15, the damaged gear piece is placed on the gear supporting seat 21, the mandrel 15 is pressed downwards, and the compression spring 16 is compressed. The support 19 is fixedly connected with the gear supporting seat 21, the upper part of the support 19 is provided with a clamping part 6, the clamping part 6 comprises a bolt 18 and an arc-shaped pressing strip 17, and the arc-shaped pressing strip 17 is fixedly connected with the end part of the bolt 18. The damaged gear is placed on the gear supporting seat 21, the gear supporting mechanism 5 is close to the linear cutting machining auxiliary 3 along the ground track 4, the damaged gear is respectively tangent to the first positioning edge and the second positioning edge, and then the damaged gear is clamped through the clamping portion 6.
In order that the cutting wire on the numerical control linear cutting machine 1 directly carries out linear cutting machining on the damaged part of the gear from the outside of the main body plate, a linear cutting wire channel 7 is arranged between a cutter hole 9 and the long edge of the main body plate in the linear cutting.
The damaged gear piece is a gear which is damaged seriously, cannot be used and is not provided with a shaft, the gear of the damaged gear piece can be a straight gear or a helical gear, the damaged gear piece is machined into the straight gear with a smaller diameter as a blank line, and the straight gear is designed by engineers to determine geometric parameters.
The invention adopts the structure of the linear cutting device for processing the straight gear by utilizing the damaged gear piece, although the gear teeth of the damaged gear piece are damaged, but other dimensional accuracy is still intact, the tool setting offset value in the Y direction of the linear cutting machining coordinate system can be obtained by utilizing the tangency of the damaged gear piece with the first positioning edge and the second positioning edge, the technical problem that the tool setting offset value in the Y direction of the linear cutting machining coordinate system of the damaged gear piece is difficult to determine is solved, in addition, in the prior art, a method that a mandrel penetrates through a gear hole is adopted, the mandrel is detached after the assembly mandrel is used for carrying out wire cutting on the damaged gear, namely how to obtain an accurate tool setting offset value in the Y direction by adopting a scheme of the mandrel, and a preferable technical scheme does not exist.
Claims (6)
1. The utility model provides an utilize damaged piece processing straight-teeth gear's of gear wire cut electrical discharge machining device, includes numerical control wire cut electrical discharge machining bed and wire cut electrical discharge machining bed workstation, its characterized in that: the numerical control linear cutting machine is characterized in that a linear cutting auxiliary, a ground track, a gear supporting mechanism and a clamping part are arranged beside the numerical control linear cutting machine, the linear cutting auxiliary is provided with a linear cutting tool aligning hole, a linear cutting wire path, a main body plate long side, a first positioning side and a second positioning side, the main body plate long side is close to the numerical control linear cutting machine, one end of the linear cutting wire path is communicated with the linear cutting tool aligning hole, the other end of the linear cutting wire path is respectively intersected with the first positioning side and the second positioning side, the central line of the linear cutting wire path is the central line of a main body plate, the first positioning side and the second positioning side use the central line of the main body plate as symmetrical axes, the included angle between the first positioning side and the central line of the main body plate is an acute angle, the ground track is arranged right below the central line of the main body plate, the lower part of the gear supporting mechanism is provided with a roller moving along the ground track, and the clamping part is arranged beside the gear supporting mechanism, a damaged gear is placed above the gear supporting mechanism, and the damaged gear is positioned by a first positioning edge, a second positioning edge and a clamping part of the auxiliary part for wire cutting machining during wire cutting machining.
2. The wire cutting apparatus for processing a spur gear using a damaged gear according to claim 1, wherein: the gear supporting mechanism comprises a roller, a gear supporting seat and a bracket, the gear supporting seat is positioned above the roller, the upper part of the gear supporting seat is cylindrical, the bracket is fixedly connected with the gear supporting seat, and the clamping part is arranged on the upper part of the bracket.
3. The wire cutting apparatus for processing a spur gear using a damaged gear according to claim 2, wherein: the gear supporting mechanism is further provided with a mandrel and a compression spring, a step groove for placing the mandrel is formed in the upper surface of the gear supporting seat, the compression spring is located below the mandrel, and the top of the mandrel is provided with a conical section which is matched with a gear hole of a damaged gear.
4. The wire cutting apparatus for processing a spur gear using a damaged gear according to claim 2 or 3, wherein: the clamping part comprises a bolt and an arc-shaped pressing strip, and the arc-shaped pressing strip is fixedly connected to the end part of the bolt.
5. The wire cutting apparatus for processing a spur gear using a damaged gear according to claim 4, wherein: and a wire cutting wire channel is arranged between the wire cutting tool aligning hole and the long edge of the main body plate block.
6. The wire cutting apparatus for processing a spur gear using a damaged gear according to claim 2 or 3, wherein: the lower part of the gear supporting seat is provided with a detachable baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821307.8A CN113523465A (en) | 2021-07-20 | 2021-07-20 | Linear cutting device for processing straight gear by using damaged gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821307.8A CN113523465A (en) | 2021-07-20 | 2021-07-20 | Linear cutting device for processing straight gear by using damaged gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113523465A true CN113523465A (en) | 2021-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110821307.8A Pending CN113523465A (en) | 2021-07-20 | 2021-07-20 | Linear cutting device for processing straight gear by using damaged gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113523465A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010137343A (en) * | 2008-12-12 | 2010-06-24 | Pascal Engineering Corp | Clamping device |
| CN201720703U (en) * | 2009-12-29 | 2011-01-26 | 江苏大学 | Adjustable wire-cutting shield jig |
| JP2013226648A (en) * | 2013-07-09 | 2013-11-07 | Pascal Engineering Corp | Clamp device |
| CN209503171U (en) * | 2019-02-26 | 2019-10-18 | 广州工程技术职业学院 | Wire cutting positioning fixture and part processing unit (plant) |
| CN209614489U (en) * | 2019-03-08 | 2019-11-12 | 苏州中谷实业有限公司 | A kind of wire cutting gear machining equipment |
| 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
- 2021-07-20 CN CN202110821307.8A patent/CN113523465A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010137343A (en) * | 2008-12-12 | 2010-06-24 | Pascal Engineering Corp | Clamping device |
| CN201720703U (en) * | 2009-12-29 | 2011-01-26 | 江苏大学 | Adjustable wire-cutting shield jig |
| JP2013226648A (en) * | 2013-07-09 | 2013-11-07 | Pascal Engineering Corp | Clamp device |
| CN209503171U (en) * | 2019-02-26 | 2019-10-18 | 广州工程技术职业学院 | Wire cutting positioning fixture and part processing unit (plant) |
| CN209614489U (en) * | 2019-03-08 | 2019-11-12 | 苏州中谷实业有限公司 | A kind of wire cutting gear machining equipment |
| 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 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211022 |
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| RJ01 | Rejection of invention patent application after publication |