CN105252067A - Ultralong inner hole key slot broacher - Google Patents
Ultralong inner hole key slot broacher Download PDFInfo
- Publication number
- CN105252067A CN105252067A CN201510797451.7A CN201510797451A CN105252067A CN 105252067 A CN105252067 A CN 105252067A CN 201510797451 A CN201510797451 A CN 201510797451A CN 105252067 A CN105252067 A CN 105252067A
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- inner hole
- worm gear
- key slot
- hole key
- pull head
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The invention discloses an ultralong inner hole key slot broacher. The ultralong inner hole key slot broacher comprises a frame and a working platform thereon, wherein a positioning groove is formed in the working platform; positioning bosses inserted in the positioning groove are arranged at the bottoms of front and back brackets on the working platform; a worm wheel box is arranged on the working platform near the front bracket; the positioning boss at the bottom of the worm wheel box is inserted in the positioning groove; a T-shaped thread arranged in the worm wheel box and distributed in an inner hole of a working worm wheel driven by a motor is in transmission engagement with a working lead screw horizontally penetrating through the worm wheel box; a through groove is formed in the outer surface of the working lead screw; a guide boss arranged on the front bracket slidingly fits the through groove; and a broaching head provided with a broaching tool is connected with the front mend of the working lead screw through a shaft pin. The ultralong inner hole key slot broacher has the advantages of simple and compact structure, high machining precision, simple procedures in work, convenience for operation, good stability, high yield, low machining cost and capability of satisfying the machining of inner hole key slots of pipe-shaped parts with multiple lengths and specifications.
Description
Technical field
The present invention relates to endoporus kerve equipment, especially relate to a kind of overlength inner hole key slot groove broacher.
Background technology
Press and open holes is a kind of safety, environmental protection, economy, efficiently working pipeline maintenance technique, be applicable to the normal maintenance and renovation of the medium pipelines such as crude oil, product oil, chemical medium, natural gas and the repairing (as repairing with pressure, changing the operations such as corrosion pipeline section, attachment means, point defeated transformation) of burst accident.A part for holing and sealing machine used when press and open holes machine is press and open holes operation, its critical component rotates axial length 5600mm, outside diameter 186mm, interior circular diameter 148mm, the logical keyway processing two wide 14mm in inner circle, dark 7mm is parallel to each other is needed during manufacture, due to current domestic temporary without shaping special kerve equipment, the existing processing method adopted has several as follows: the existing driven Design 1) changing on-line branching machine; Its shortcoming makes transmission mechanism become loaded down with trivial details, and not only transmission stability is deteriorated, and profile is also comparatively heavy.2) existing groove broacher is reequiped, manufacture and lengthen broaching tool; Its shortcoming is because the cost of equipment own is higher, and repacking investment cost is large, uneconomical, and lengthen broaching tool making simultaneously and require higher, take tool steel as raw material, after the operations such as roughing, quenching, fine finishining, yield rate is less than 50%; 3) be divided into two from center by pipeline, load in outer pipe by inner circle designing requirement, cylindrical tube wall bores some holes, and endoporus mold is fixed, and pipe cinclides carries out submerged-arc welding outside, and then cylindrical is again by designing requirement fine finishining; Its shortcoming one is poor stability, is difficult to reach designing requirement, and two is that the cooperatively interact requirement of part is high, and difficulty of processing is large, and three are through welding, and the mechanical performance of steel significantly reduces, and four is labor intensive, and manufacturing cost is high.
Summary of the invention
The object of the invention is to the defect existed for above-mentioned prior art, provide a kind of overlength inner hole key slot groove broacher, slot machining in the steel pipe that once can complete plurality of specifications, length, reduces processing cost.
For achieving the above object, the present invention can take following technical proposals:
Overlength inner hole key slot groove broacher of the present invention, comprises frame and is arranged on the workbench in described frame, the working face of described workbench offers detent, the bottom for the fore-stock and after-poppet that support tubular workpiece be placed on described workbench is provided with the positioning boss be inserted in described detent, workbench near described fore-stock is provided with worm gear case, positioning boss bottom described worm gear case is plugged in described detent, be arranged on the T-shaped screw thread offered in the work worm gear endoporus driven by transmission component by motor in described worm gear case to engage with the work lead screw transmission that level runs through described worm gear case, the outer surface of described work leading screw axially offers groove along it, the guide ledges that described fore-stock is arranged and described groove are slidably matched, the pull head being provided with broaching tool is connected by pivot pin with the front end of described work leading screw.
The front end of described pull head is coated with the location copper sheathing adapted with described tubular workpiece endoporus, the pull head of copper sheathing both sides, described location is set with the flexible retaining ring of O shape; Described broaching tool is arranged in the square cutter groove in the middle part of described pull head, is provided with oblique cone jackscrew in the through hole be connected with described square cutter groove that the pull head corresponding with described broaching tool position is offered; The afterbody of described pull head is provided with right-angled intersection guiding rubber slab.
The frame rear portion of described worm gear case position is provided with auxiliary stand, described auxiliary stand is provided with and connects cutter roller.
The two side of described worm gear case is provided with the location bearing for support works leading screw.
Described transmission component comprises the shaft coupling be in transmission connection with described motor output shaft, and the output wheel of described shaft coupling is meshed with driving the worm screw of described work worm gear wheel.
The invention has the advantages that structure is simple, compact, machining accuracy is high, and during work, operation is easy, convenient operation, good stability, and yield rate is high, and processing cost is low, can meet the processing of inner hole key slot of tubular part of different lengths, specification; Add man-hour especially for tapping machine rotating shaft inner hole key slot, the processing cost of these parts can be reduced, meet the designing requirement of steel performance, the volume of overall tapping equipment can not be increased.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is that the A-A of Fig. 1 is to cutaway view Amplified image.
Fig. 3 is the zoomed-in view of pull head in Fig. 1.
Fig. 4 is the structure chart of rubber slab of leading in Fig. 3.
Detailed description of the invention
As shown in Figure 1, 2, overlength inner hole key slot groove broacher of the present invention, the workbench 2 comprising frame 1 and be arranged in frame 1, frame 1 and workbench 2 all for being assembled by channel-section steel and Plate Welding, can lengthen according to actual needs; The working face of workbench 2 offers detent; The bottom for the fore-stock 4 and after-poppet 5 that support tubular workpiece 3 be placed on workbench 2 is provided with the positioning boss be inserted in detent, workbench near fore-stock 4 is provided with worm gear case 6, positioning boss bottom worm gear case 6 is also plugged in this detent, namely fore-stock 4, after-poppet 5 and worm gear case 6 are all with the detent that the working face of workbench 2 is offered location, and bottom centre's line of fore-stock 4, after-poppet 5 and worm gear case 6 and the center line of detent coincide; Be arranged on the T-shaped screw thread offered in work worm gear 8 endoporus driven by transmission component by motor 7 in worm gear case 6 to engage with work leading screw 9 transmission that level runs through worm gear case 6, this transmission component comprises the shaft coupling 19 be in transmission connection with motor 7 output shaft, the output wheel of shaft coupling 19 is meshed with the worm screw 20 of the work of drive worm gear wheel, and the two side of worm gear case 6 is provided with the location bearing 18 for support works leading screw 9; The outer surface of work leading screw 9 axially offers groove (as flat keyway or arc shaped keyslot) along it, and the guide ledges that fore-stock 4 is arranged and this groove are slidably matched, and work leading screw 9 plays the effect of location when moving back and forth; The pull head 10 being provided with broaching tool is connected by pivot pin with the front end of work leading screw 9.During work, work leading screw 9 drives pull head 10 to move back and forth under the transmission of work worm gear 8, reach the object of processing keyway, the frame rear portion of worm gear case 6 position is provided with auxiliary stand 16, auxiliary stand 16 is provided with and connects cutter roller 17, lean out part when work leading screw 9 moves back and forth and support by connecing cutter roller 17.
As shown in Figure 3, the front end of pull head 10 is coated with the location copper sheathing 11 adapted with tubular workpiece 3 endoporus, the pull head of copper sheathing 11 both sides, location is set with the flexible retaining ring 12 of O shape, is scratched to prevent the endoporus of workpiece to be machined 3; Broaching tool is arranged in the square cutter groove 13 in the middle part of pull head, is provided with oblique cone jackscrew, is fixed after adjusting the depth of cut of broaching tool with oblique cone jackscrew in the through hole 14 be connected with square cutter groove 13 that the pull head corresponding with broaching tool position is offered; The afterbody of pull head is provided with right-angled intersection guiding rubber slab 15, and as shown in Figure 4, this guiding rubber slab 15 positions broaching tool together with the copper sheathing 11 of location.
During overlength inner hole key slot groove broacher work of the present invention, first according to the position of the good fore-stock 4 of the length adjustment of tubular workpiece 3 and after-poppet 5, select suitable pull head tubular workpiece 3 according to the hole size of tubular workpiece 3, adjust the depth of cut of broaching tool according to the degree of depth of keyway logical in tubular workpiece 3 endoporus; Work leading screw 9 is passed from tubular workpiece 3 endoporus, after being connected with pull head by bearing pin, starter motor 7, work leading screw 9 drives pull head 10 to move back and forth under the transmission of work worm gear 8, the endoporus of broaching tool to tubular workpiece 3 cuts, reach the object of processing keyway, the iron filings that hole inner bottom part accumulates are removed by specific purpose tool.
Claims (5)
1. an overlength inner hole key slot groove broacher, is characterized in that: comprise frame (1) and be arranged on the workbench (2) in described frame (1), the working face of described workbench (2) offers detent, the bottom for the fore-stock (4) and after-poppet (5) that support tubular workpiece (3) be placed on described workbench (2) is provided with the positioning boss be inserted in described detent, workbench near described fore-stock (4) is provided with worm gear case (6), the positioning boss of described worm gear case (6) bottom is plugged in described detent, be arranged on the T-shaped screw thread offered in work worm gear (8) endoporus driven by transmission component by motor (7) in described worm gear case (6) to engage with work leading screw (9) transmission that level runs through described worm gear case (6), the outer surface of described work leading screw (9) axially offers groove along it, the guide ledges that described fore-stock (4) is arranged and described groove are slidably matched, the pull head (10) being provided with broaching tool is connected by pivot pin with the front end of described work leading screw (9).
2. overlength inner hole key slot groove broacher according to claim 1, it is characterized in that: the front end of described pull head (10) is coated with the location copper sheathing (11) adapted with described tubular workpiece endoporus, the pull head of copper sheathing (11) both sides, described location is set with the flexible retaining ring (12) of O shape; Described broaching tool is arranged in the square cutter groove (13) in the middle part of described pull head, is provided with oblique cone jackscrew in the through hole (14) be connected with described square cutter groove (13) that the pull head corresponding with described broaching tool position is offered; The afterbody of described pull head is provided with right-angled intersection guiding rubber slab (15).
3. overlength inner hole key slot groove broacher according to claim 1 and 2, is characterized in that: the frame rear portion of described worm gear case (6) position is provided with auxiliary stand (16), described auxiliary stand (16) is provided with and connects cutter roller (17).
4. overlength inner hole key slot groove broacher according to claim 1 and 2, is characterized in that: the two side of described worm gear case (6) is provided with the location bearing (18) for support works leading screw (9).
5. overlength inner hole key slot groove broacher according to claim 1 and 2, it is characterized in that: described transmission component comprises the shaft coupling (19) be in transmission connection with described motor (7) output shaft, the output wheel of described shaft coupling (19) is meshed with driving the worm screw (20) of described work worm gear wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510797451.7A CN105252067B (en) | 2015-11-18 | 2015-11-18 | Overlength inner hole key slot groove broacher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510797451.7A CN105252067B (en) | 2015-11-18 | 2015-11-18 | Overlength inner hole key slot groove broacher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105252067A true CN105252067A (en) | 2016-01-20 |
| CN105252067B CN105252067B (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510797451.7A Active CN105252067B (en) | 2015-11-18 | 2015-11-18 | Overlength inner hole key slot groove broacher |
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| Country | Link |
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| CN (1) | CN105252067B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735538A (en) * | 2016-11-30 | 2017-05-31 | 江苏汤臣汽车零部件有限公司 | A kind of truck Retarder Impeller Machining system |
| CN107378109A (en) * | 2016-12-20 | 2017-11-24 | 金华市佛尔泰精密机械制造有限公司 | A kind of broaching machine applied to truck drive shaft bead end-face coupling |
| CN108422036A (en) * | 2017-12-29 | 2018-08-21 | 綦江齿轮传动有限公司 | Involute spur gear inner hole key slot processing unit (plant) |
| CN113523416A (en) * | 2021-08-11 | 2021-10-22 | 荆州市祥达机械制造有限公司 | Machining equipment for machining key groove in spline shaft |
| CN114160874A (en) * | 2021-12-17 | 2022-03-11 | 长沙思胜智能设备有限公司 | Special broaching machine for high-precision ultra-long workpiece |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101147989A (en) * | 2007-10-26 | 2008-03-26 | 郭太利 | Internal spiral face processing equipment and its processing technology |
| CN202147051U (en) * | 2011-06-15 | 2012-02-22 | 福鼎市厦联电器有限公司 | Round broaching tool with guide sleeve |
| CN202715891U (en) * | 2012-05-29 | 2013-02-06 | 尹时中 | Precision processing equipment for hard broaching of internal keyway surfaces |
| CN103042269A (en) * | 2012-07-04 | 2013-04-17 | 南通新冯精密机械有限公司 | Vertical internal broaching machine |
| US20140294521A1 (en) * | 2013-03-29 | 2014-10-02 | Mitsubishi Materials Corporation | Broach |
-
2015
- 2015-11-18 CN CN201510797451.7A patent/CN105252067B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101147989A (en) * | 2007-10-26 | 2008-03-26 | 郭太利 | Internal spiral face processing equipment and its processing technology |
| CN202147051U (en) * | 2011-06-15 | 2012-02-22 | 福鼎市厦联电器有限公司 | Round broaching tool with guide sleeve |
| CN202715891U (en) * | 2012-05-29 | 2013-02-06 | 尹时中 | Precision processing equipment for hard broaching of internal keyway surfaces |
| CN103042269A (en) * | 2012-07-04 | 2013-04-17 | 南通新冯精密机械有限公司 | Vertical internal broaching machine |
| US20140294521A1 (en) * | 2013-03-29 | 2014-10-02 | Mitsubishi Materials Corporation | Broach |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735538A (en) * | 2016-11-30 | 2017-05-31 | 江苏汤臣汽车零部件有限公司 | A kind of truck Retarder Impeller Machining system |
| CN106735538B (en) * | 2016-11-30 | 2018-11-02 | 江苏汤臣汽车零部件有限公司 | A kind of truck Retarder Impeller Machining system |
| CN107378109A (en) * | 2016-12-20 | 2017-11-24 | 金华市佛尔泰精密机械制造有限公司 | A kind of broaching machine applied to truck drive shaft bead end-face coupling |
| CN108422036A (en) * | 2017-12-29 | 2018-08-21 | 綦江齿轮传动有限公司 | Involute spur gear inner hole key slot processing unit (plant) |
| CN113523416A (en) * | 2021-08-11 | 2021-10-22 | 荆州市祥达机械制造有限公司 | Machining equipment for machining key groove in spline shaft |
| CN113523416B (en) * | 2021-08-11 | 2024-03-29 | 荆州市祥达机械制造有限公司 | A processing equipment for processing keyway on integral key shaft |
| CN114160874A (en) * | 2021-12-17 | 2022-03-11 | 长沙思胜智能设备有限公司 | Special broaching machine for high-precision ultra-long workpiece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105252067B (en) | 2017-11-17 |
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Address after: 457001, Henan, Puyang province Pu east industrial agglomeration area south of the North Ring Road Applicant after: Rich High-Tech Co., Ltd. Address before: 457001 West intersection of Gaoyang Avenue and new East Road, Dongpu industrial agglomeration area, Puyang, Henan Applicant before: Henan Rich Pipeline Engineering Technology Co.,Ltd. |
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