CN109434525B - A hydraulic fixture for drilling four holes in the middle flange of the end face gear - Google Patents
A hydraulic fixture for drilling four holes in the middle flange of the end face gear Download PDFInfo
- Publication number
- CN109434525B CN109434525B CN201811623792.2A CN201811623792A CN109434525B CN 109434525 B CN109434525 B CN 109434525B CN 201811623792 A CN201811623792 A CN 201811623792A CN 109434525 B CN109434525 B CN 109434525B
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- seat
- fixedly connected
- plate
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- 238000005553 drilling Methods 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 230000009471 action Effects 0.000 claims description 7
- 230000008602 contraction Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000012545 processing Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to a four-hole hydraulic clamp for drilling an end face tooth middle flange, which comprises a base, a positioning plate, a hydraulic cylinder, a supporting seat, a spring, a pressing mechanism, a drill plate and a drill plate sleeve, wherein the supporting seat comprises a supporting upper seat and a supporting lower seat, the upper end face of the supporting lower seat is fixedly connected with the supporting upper seat through an inner hexagonal cylindrical head screw, the supporting upper seat moves up and down along the inner hexagonal cylindrical head screw, a dustpan-shaped groove is formed in the upper end face of the supporting upper seat, the inner arc radius of the dustpan-shaped groove is the same as the small end outer circle radius of the end face tooth middle flange, a spline mandrel which faces downwards and is in spline fit with the end face tooth middle flange is arranged in the middle of the drill plate, the central line position of the spline mandrel, the hydraulic cylinder and the inner arc of the dustpan-shaped groove is not more than 0.1mm, the spline mandrel which is in spline fit with the inner part replaces the large end outer circle of the original part, the positioning is accurate, the structure improves the processing precision, and increases the production enthusiasm of workers.
Description
Technical Field
The invention relates to the technical field of end face tooth manufacturing, in particular to a four-hole hydraulic clamp for drilling a flange in the middle of an end face tooth.
Background
Along with the continuous development of enterprises, a large number of numerical control processing equipment are applied and specialized mass production is carried out, so that the existing fixture is continuously innovated and improved, the prior fixture with high energy consumption, high labor intensity and low efficiency is abandoned, a production mode with high quality and high efficiency is actively searched, and new fixtures with manpower and material resources are saved.
The technological route of the flange part in the middle of the end face tooth is ① turning the end face of the big end, the outer circle, turning the inner nest, the middle hole and the chamfer angle, ② turning the outer circle of the small end, chamfering the end face, finely turning the middle hole, ③ pulling the inner spline, ④ drilling four holes and ⑤ pulling the end face tooth. Wherein the process ④ is to drill four holes as four phi 2 bolt holes on the machining distribution circle phi, and the position degree of the four holes is required to be less than or equal to phi 0.4 relative to the reference A internal spline and the B end face tooth.
When the prior art end face tooth middle flange drilling four-hole clamp works, the end face tooth middle flange big end excircle phi 3 is used as a positioning reference, the internal spline is used as a positioning reference when the end face tooth is pulled, the four-hole position degree is measured relative to the reference A internal spline and the reference B end face tooth, the four-hole drilling four-hole clamp is different from the positioning reference of the end face tooth pulling, the four-hole drilling four-hole clamp reacts to a machined end face tooth middle flange part, the machining precision and the production efficiency of the part are affected, and the qualification rate of the measured four-hole position degree is only 70%. The four-hole hydraulic clamp for drilling the middle flange of the end face tooth is designed, so that workpieces are convenient to assemble and disassemble, the positioning is accurate, the qualification rate and the stability of end face tooth parts are improved, and the hydraulic clamp is a market demand.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the four-hole hydraulic clamp for drilling the middle flange of the end face tooth, which adopts internal spline positioning to replace the original four-hole clamp mechanism for positioning and drilling the excircle of the middle flange, thereby improving the quality stability and the production efficiency of products.
In order to achieve the purpose, the technical scheme includes that the four-hole hydraulic clamp for the middle flange of the end face tooth comprises a base, a positioning plate, a hydraulic cylinder, a supporting seat, a spring, pressing mechanisms, a drill jig plate and a drill jig sleeve, wherein the base comprises a bottom plate and vertical supporting plates arranged on two sides of the bottom plate, clamping grooves are formed in the opposite faces of the two vertical supporting plates along the height direction of the two vertical supporting plates, the positioning plate is clamped in the clamping grooves, the base of the hydraulic cylinder is fixed on the bottom plate, a telescopic rod of the hydraulic cylinder is fixedly connected with the lower end face of the positioning plate and used for driving the positioning plate to move up and down in the clamping grooves, the lower end face of the supporting seat is fixedly connected with the upper end face of the positioning plate, the upper end face of the supporting seat is fixedly connected with the upper end face of the positioning plate through an inner hexagonal cylindrical head screw, the inner hexagonal head screw is used for limiting the displacement of the supporting upper seat, a dustpan-shaped groove is formed in the upper end face of the supporting upper seat, the diameter of the dustpan-shaped groove is larger than that of the middle flange of the drill jig plate is arranged in the middle flange, the diameter of the middle flange is larger than that the diameter of the middle flange is matched with the diameter of the middle flange of the drill jig plate, the diameter of the middle flange is smaller than the diameter of the middle flange is arranged in the middle flange 1, and the diameter of the middle flange is matched with the diameter of the middle flange to be matched with the diameter of the middle flange to be smaller than the diameter of the middle flange to be 0.
As a further improvement of the four-hole hydraulic clamp for drilling the middle flange of the end face tooth, the pressing mechanism comprises a supporting rib, a connecting rod and a joint, wherein the supporting rib is of a U-shaped structure and is fixedly connected with the connecting rod to form a rectangular frame, the supporting rib is arranged around a supporting upper seat, a long groove for clamping the supporting rib is formed in the supporting upper seat, the joint is fixedly connected with the middle of the connecting rod, and the joint is fixedly connected with a supporting lower seat through a threaded column.
Advantageous effects
1. The invention provides a four-hole hydraulic clamp for drilling an end face tooth middle flange, which adopts a spline mandrel matched with an internal spline of a part to replace the original large end excircle of the part as a positioning reference, is accurate in positioning, improves the processing precision, increases the production enthusiasm of workers, improves the production efficiency, is designed based on the original clamp, is convenient to reform, and saves the processing cost of the part;
2. the invention provides a four-hole hydraulic clamp for drilling an intermediate flange of an end face tooth, which can be realized only by replacing a drilling template when the end face teeth with different specifications are required to be processed, namely, the sizes of internal splines of the intermediate flanges of the end face teeth are different, and has strong expansibility;
3. The invention provides a four-hole hydraulic clamp for drilling a middle flange of an end face tooth, wherein a dustpan-shaped groove is formed in the upper end face of a supporting lower seat, and the inner arc radius of the dustpan-shaped groove is the same as the radius of the small end excircle of the middle flange of the end face tooth, so that the four-hole hydraulic clamp is more convenient and faster to place and detach an end face tooth workpiece;
4. The invention provides a four-hole hydraulic clamp for drilling a middle flange of an end face tooth, which is characterized in that a spring is arranged between a lower support seat and an upper support seat, when the end face tooth is initially installed, the spring is propped against the upper support seat, so that the distance between the upper support seat and a spline mandrel is smaller than the height of the end face tooth, the spring is compressed through a pressing mechanism, the outer circle of the small end of the middle flange of the end face tooth is placed in a dustpan-shaped groove, a spline mandrel is just sleeved in a through hole in the middle flange of the end face tooth, and the whole end face tooth workpiece is initially stabilized, so that the hydraulic clamp is novel and practical in concept.
Drawings
FIG. 1 is a schematic diagram of the front structure of a clamp according to the present invention;
FIG. 2 is a schematic view of the back structure of the clamp of the present invention;
FIG. 3 is a schematic view of the structure of the fixture of the present invention with the face tooth workpiece removed;
FIG. 4 is a schematic view of the structure of a fixture for compressing an end tooth workpiece according to the present invention;
FIG. 5 is a schematic view of the structure of the upper support base of the present invention;
FIG. 6 is a schematic view of the pressing mechanism of the present invention;
FIG. 7 is a reference schematic diagram of a prior art face tooth intermediate flange drilling four holes;
In the figure, 1, a base, 101, a bottom plate, 102, a vertical supporting plate, 2, a positioning plate, 3, a hydraulic cylinder, 4, a supporting seat, 401, a supporting lower seat, 402, a supporting upper seat, 403, a dustpan-shaped groove, 404, a long groove, 5, a spring, 6, a pressing mechanism, 601, a supporting rib, 602, a connecting rod, 603, a joint, 604, a threaded column, 7, a drilling template, 701, a positioning pin, 702, a spline mandrel, 8, a drilling jig sleeve, 9, an inner hexagonal cylindrical head screw, 10 and an end face tooth middle flange.
Detailed Description
As shown in the figure: the four-hole hydraulic clamp for drilling the middle flange of the end face tooth comprises a base 1, a positioning plate 2, a hydraulic cylinder 3, a supporting seat 4, a spring 5, a pressing mechanism 6, a drilling template 7 and a drilling die sleeve 8, wherein the base 1 comprises a bottom plate 101 and vertical supporting plates 102 arranged on two sides of the bottom plate 101, clamping grooves are formed in opposite faces of the two vertical supporting plates 102 along the height direction of the two vertical supporting plates, the positioning plate 2 is clamped in the clamping grooves, the base of the hydraulic cylinder 3 is fixed on the bottom plate 101, a telescopic rod of the hydraulic cylinder 3 is fixedly connected with the lower end face of the positioning plate 2 and used for driving the positioning plate 2 to move up and down in the clamping grooves, the supporting seat 4 comprises a supporting lower seat 401 and a supporting upper seat 402, the lower end face of the supporting lower seat 401 is fixedly connected with the upper end face of the positioning plate 2, the upper end face of the supporting lower seat 401 is fixedly connected with the supporting upper seat 402 through a hexagon socket head screw 9, the supporting upper seat 402 moves up and down along the hexagon socket head cap screw 9, the hexagon socket head cap screw 9 is used for limiting the displacement of the supporting upper seat 402, a dustpan-shaped groove 403 is arranged on the upper end face of the supporting upper seat 402, the inner arc radius of the dustpan-shaped groove 403 is the same as the small end outer circle radius of the middle flange 10 of the end face tooth, two ends of the spring 5 are fixedly connected between the upper end face of the supporting lower seat 401 and the lower end face of the supporting upper seat 402 respectively, the expansion and contraction amount of the spring 5 is controlled through the pressing mechanism 6, the pressing mechanism 6 comprises a supporting rib 601, a connecting rod 602 and a joint 603, the supporting rib 601 is in a U-shaped structure and fixedly connected with the connecting rod 602 to form a rectangular frame, the supporting upper seat 402 is arranged around the supporting upper seat 402, the long groove 404 for clamping the supporting rib 601 is arranged on the supporting upper seat 402, the middle of the connecting rod 602 is fixedly connected with the joint 603, the joint 603 is fixedly connected with the support lower seat 401 through a threaded column 604, the drill jig plate 7 is arranged at the top ends of the two vertical support plates 102 through a positioning pin 701, a spline mandrel 702 which is downward in the middle of the drill jig plate 7 and is in spline fit with the end face tooth middle flange 10 is arranged, the central line position of the inner arcs of the spline mandrel 702, the hydraulic cylinder 3 and the dustpan-shaped groove 403 is not more than 0.1mm, and the drill jig plate 7 is provided with a through hole for interference fixedly connecting with the drill jig sleeve 8.
When the end face tooth workpiece is loaded, the distance between the upper support seat 402 and the spline mandrel 702 is smaller than the height of the end face tooth due to the fact that the spring 5 abuts against the upper support seat 402, the supporting rib 601 is pressed downwards by hand, the small end of the end face tooth middle flange 10 is placed downwards in the dustpan-shaped groove 403 of the upper support seat 402, then the end face tooth middle flange 10 is pushed inwards, when the end face tooth middle flange reaches the position of the spline mandrel 702 of the drill plate 7, the supporting rib 601 is loosened, the end face tooth workpiece is pressed into the spline mandrel 702 of the drill plate 7 to be positioned under the telescopic action of the spring 5, when the workpiece is pressed, the positioning plate 2 drives the lower support seat 401 to press the end face tooth workpiece from bottom to top due to the telescopic rod of the hydraulic cylinder 3, when the end face tooth workpiece is dismounted, the positioning plate 2 drives the lower support seat 401 and the upper support seat 402 to fall under the telescopic rod of the hydraulic cylinder 3, and simultaneously the spline mandrel 702 of the processed workpiece drill plate 7 falls along with the upper support seat 402 to the position of the spline mandrel 702, the whole work piece is completely separated from the spline mandrel 702 due to the telescopic action of the upper support seat 402, and then the whole work piece 702 is completely separated from the spline mandrel 702 due to the telescopic action of the telescopic rod of the upper support seat 402, and the whole work is completely separated from the spline mandrel 702 due to the fact that the work is completely separated from the spline mandrel 702 is completely under the telescopic action of the mandrel under the action of the mandrel is completely under the telescopic action of the mandrel, and when the work is completely separated under the spline mandrel is under the work under the position work step under the condition.
Five degrees of freedom of the end face tooth workpiece are limited through the lower end face of the drill jig plate 7 and the spline mandrel 702, the support upper seat 402 tightly pushes against the end face tooth workpiece to limit the sixth degree of freedom, the drill jig plate 7 is fixed on the base 1, the end face tooth workpiece is assembled and disassembled through the dustpan-shaped groove 403 of the hydraulic clamping and support upper seat 402, the drill jig plate 7 does not need to be taken down when the workpiece is clamped, positioning references of two working procedures of four holes drilling and end face tooth pulling are all internal splines, and the machining precision of the position degree of four holes of the flange 10 in the middle of the end face tooth is improved.
When the end face teeth with different specifications are required to be machined, namely the sizes of the internal splines of the middle flange 10 of the end face teeth are different, the drill plate 7 is only required to be replaced, and the expansibility is high.
The novel clamp overcomes the defects of the original clamp, has the advantages of simple structure, convenient clamping, convenient workpiece loading and unloading, time and labor saving, improves the machining precision, increases the production enthusiasm of workers and improves the production efficiency on the premise of ensuring the production efficiency of parts.
The present invention is not limited to the preferred embodiments, and the present invention is described above in any way, but is not limited to the preferred embodiments, and any person skilled in the art will appreciate that the present invention is not limited to the embodiments described above, while the above disclosure is directed to various equivalent embodiments, which are capable of being modified or varied in several ways, any simple modification, equivalent changes and variation of the above embodiments according to the technical principles of the present invention will still fall within the scope of the present invention.
Claims (1)
1. A four-hole hydraulic clamp for drilling an end face tooth middle flange is characterized in that: the dustpan comprises a base (1), a locating plate (2), a hydraulic cylinder (3), a supporting seat (4), a spring (5), a pressing mechanism (6), a drilling template (7) and a drilling template sleeve (8), wherein the base (1) comprises a base plate (101) and vertical supporting plates (102) arranged on two sides of the base plate (101), clamping grooves are formed in opposite faces of the two vertical supporting plates (102) along the height direction of the two vertical supporting plates, the locating plate (2) is clamped in the clamping grooves, the base of the hydraulic cylinder (3) is fixed on the base plate (101), a telescopic rod of the hydraulic cylinder (3) is fixedly connected with the lower end face of the locating plate (2) to drive the locating plate (2) to move up and down in the clamping grooves, the supporting seat (4) comprises a supporting lower seat (401) and a supporting upper seat (402), the lower end face of the supporting lower seat (401) is fixedly connected with the upper end face of the locating plate (101), the upper end face of the supporting lower seat (401) is fixedly connected with the supporting upper seat (402) through an inner hexagonal socket head (9) so that the upper seat (402) can move along the inner hexagonal head (9) to limit the upper end face of the upper seat (403), the inner arc radius of the dustpan-shaped groove (403) is the same as the small end outer circle radius of the end face tooth middle flange (10), two ends of the spring (5) are fixedly connected between the upper end face of the supporting lower seat (401) and the lower end face of the supporting upper seat (402) respectively, the expansion and contraction amount of the spring (5) is controlled through the pressing mechanism (6), the drill plate (7) is arranged at the top ends of the two vertical support plates (102) through the locating pin (701), the middle of the drill plate (7) is provided with a spline mandrel (702) which faces downwards and is in internal spline fit with the end face tooth middle flange (10), the central line position of the spline mandrel (702), the hydraulic cylinder (3) and the dustpan-shaped groove (403) is not more than 0.1mm, and the drill plate (7) is provided with a through hole for interference fit and fixedly connection with the drill plate sleeve (8);
the spring (5) is propped against the supporting upper seat (402), so that the distance between the supporting upper seat (402) and the spline mandrel (702) is smaller than the height of the end face teeth, and the end face teeth workpiece is pressed into the spline mandrel (702) of the drill plate (7) for positioning under the telescopic action of the spring (5);
the pressing mechanism (6) comprises a supporting rib (601), a connecting rod (602) and a joint (603), wherein the supporting rib (601) is of a U-shaped structure and fixedly connected with the connecting rod (602) to form a rectangular frame, the rectangular frame is arranged around a supporting upper seat (402), the supporting upper seat (402) is provided with a long groove (404) for clamping the supporting rib (601), the joint (603) is fixedly connected with the middle part of the connecting rod (602), and the joint (603) is fixedly connected with a supporting lower seat (401) through a threaded column (604).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623792.2A CN109434525B (en) | 2018-12-28 | 2018-12-28 | A hydraulic fixture for drilling four holes in the middle flange of the end face gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811623792.2A CN109434525B (en) | 2018-12-28 | 2018-12-28 | A hydraulic fixture for drilling four holes in the middle flange of the end face gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109434525A CN109434525A (en) | 2019-03-08 |
| CN109434525B true CN109434525B (en) | 2024-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811623792.2A Active CN109434525B (en) | 2018-12-28 | 2018-12-28 | A hydraulic fixture for drilling four holes in the middle flange of the end face gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109434525B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111112695B (en) * | 2019-12-28 | 2024-11-15 | 盛瑞传动股份有限公司 | A drilling jig for an internal spline special-shaped flywheel |
| CN115741151A (en) * | 2022-11-10 | 2023-03-07 | 东风汽车底盘系统有限公司 | Positioning device for flange oil nozzle hole drilling |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101745830A (en) * | 2009-12-28 | 2010-06-23 | 天津市大站阀门总厂 | Clamp for turning end face of flange of flange gate valve body |
| CN206382600U (en) * | 2017-01-23 | 2017-08-08 | 许昌远东传动轴股份有限公司 | A kind of accurate hole positioner of processing three-jaw flange side surface three |
| CN209578904U (en) * | 2018-12-28 | 2019-11-05 | 许昌远东传动轴股份有限公司 | A hydraulic fixture for drilling four holes in the middle flange of end teeth |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202438865U (en) * | 2012-01-17 | 2012-09-19 | 许昌远东传动轴股份有限公司 | Four-hole clamp of transmission shaft flange-fork drill |
| CN102785098B (en) * | 2012-08-31 | 2014-09-03 | 许昌远东传动轴股份有限公司 | Hydraulic fixture for four-hole drilling for end tooth flange yoke of drive shaft |
| CN204171754U (en) * | 2014-09-19 | 2015-02-25 | 许昌远东传动轴股份有限公司 | Heavy square position flange york boring air-actuated jaw |
| CN106975792B (en) * | 2017-05-26 | 2019-08-20 | 晋江市安海联诚机械有限公司 | Broaching fixture and its handling method and horizontal broaching machine for end-tooth workpiece |
| CN207387105U (en) * | 2017-09-12 | 2018-05-22 | 重庆大江工业有限责任公司 | A kind of drilling universal fixturing |
| CN207548257U (en) * | 2017-11-09 | 2018-06-29 | 许昌远东传动轴股份有限公司 | A kind of fixture for end tooth flange york milling counterbore |
| CN207577938U (en) * | 2017-12-12 | 2018-07-06 | 许昌远东传动轴股份有限公司 | A kind of positioning fixture that four holes are bored for transmission shaft flange york |
-
2018
- 2018-12-28 CN CN201811623792.2A patent/CN109434525B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101745830A (en) * | 2009-12-28 | 2010-06-23 | 天津市大站阀门总厂 | Clamp for turning end face of flange of flange gate valve body |
| CN206382600U (en) * | 2017-01-23 | 2017-08-08 | 许昌远东传动轴股份有限公司 | A kind of accurate hole positioner of processing three-jaw flange side surface three |
| CN209578904U (en) * | 2018-12-28 | 2019-11-05 | 许昌远东传动轴股份有限公司 | A hydraulic fixture for drilling four holes in the middle flange of end teeth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109434525A (en) | 2019-03-08 |
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