CN102179657A - Special clamp for welding lengthening drill or expanding drill - Google Patents
Special clamp for welding lengthening drill or expanding drill Download PDFInfo
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- CN102179657A CN102179657A CN2011101521411A CN201110152141A CN102179657A CN 102179657 A CN102179657 A CN 102179657A CN 2011101521411 A CN2011101521411 A CN 2011101521411A CN 201110152141 A CN201110152141 A CN 201110152141A CN 102179657 A CN102179657 A CN 102179657A
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Abstract
The invention relates to a special clamp for welding a lengthening drill or an expanding drill. As the welding lengthening drill or the expanding drill is welded by adopting a high-speed steel edge part and a medium carbon steel handle part, and no special clamp is adopted, the problems of high restoration work load caused by edge tool deformation and direct scraping owning to serious deformation are caused. A center bracket and a base are connected by an upward-concave groove on the center bracket and a locating key in a downward-concave through groove, two bolt heads connecting a bolt are arranged in each inverted T-shaped through groove of the base, the center bracket is fixedly connected with the base by two connecting bolts, a center base of a center is arranged in a center height adjusting hole on the center bracket, the center presses the bolt and is in threaded connection with the center bracket and the center base, the center base and the center bracket are connected with an adjusting bolt in a bolt penetrating-through hole on the center base through a waist hole passing through the center bracket, and the center heads of two centers are arranged coaxially. The special clamp is used for clamping and fixing in the welding of the lengthening drill or the expanding drill.
Description
Technical field
The present invention relates to a kind of welding spreading drill bit or reamer anchor clamps.
Background technology
Spreading drill bit and reamer (general designation cutlery) are the crucial cutlery of the upper and lower cylinder connecting hole of processing vapor turbine.Spreading drill bit and reamer length generally all more than 1m, add and all adopt blade high-speed steel, shank medium carbon steel structure man-hour, and high-speed steel, medium carbon steel adopt electric welding to be welded.Welding in the past the time does not have special fixture, is that blade, shank weld under free state fully, and therefore, spreading drill bit and reamer blade, shank axiality can't guarantee that at all maximum can reach more than the 2.5mm, causes that the cutlery distortion is excessive directly scraps.For welding back blade, shank axiality be at spreading drill bit or the reamer of 1.0～2.0mm, generally take on dial gauge, to beat the maximum jitter place, and make obviously sign, utilize the alignment of heat treatment grilled gun high temperature again, workload is very big, and can not guarantee the qualification rate of high temperature alignment.
Summary of the invention
The purpose of this invention is to provide a kind of special fixture that welds spreading drill bit or reamer, when adopting blade high-speed steel, the welding of shank medium carbon steel to solve spreading drill bit and reamer, because of no special fixture, the big and excessive problem of directly scrapping of cutlery distortion of the cutlery repair amount after the distortion.
The present invention solves the problems of the technologies described above the technical scheme of taking to be:
A kind of special fixture that welds spreading drill bit or reamer, described special fixture comprise that base, two tip holder, two are top, two positioning keys, two top hold-down bolts, two are regulated bolts and four connecting bolts; Toply be made up of centre head and dead head, the tail end of centre head is fixedlyed connected with the center of dead head one lateral surface; Its length direction of upper edge, upper surface of base is processed with a recessed groove and two inversion T shape grooves, recessed groove is positioned at two and is inverted in the middle of the T shape groove, the center of the lower surface of each tip holder is processed with a upper groove, two of being set up in parallel in the base upper surface along the length direction of base are inverted on the T shape grooves for two tip holder, be connected with positioning key in the recessed groove by being arranged on upper groove between each tip holder and the base, each is inverted the bolt head that is provided with two connecting bolts in the T shape groove, each tip holder is fixedlyed connected with base by two connecting bolts, the thickness direction of the sidewall upper edge tip holder of each tip holder is processed with a penetrating pitch of centers adjustment hole, the short transverse of sidewall upper edge, two holes tip holder of pitch of centers adjustment hole respectively is processed with a waist hole that communicates with the pitch of centers adjustment hole, the center of the upper surface of tip holder is processed with a tapped through hole that communicates with the pitch of centers adjustment hole, be processed with threaded connection hole on the dead head and bolt passes the hole, threaded connection hole and bolt pass the axially vertical setting mutually in hole, dead head is assemblied in the pitch of centers adjustment hole on the tip holder, top hold-down bolt simultaneously with tip holder on tapped through hole and the threaded connection hole on the dead head be threaded, dead head and tip holder are connected two relative and coaxial settings of top centre head by two waist holes that penetrate on the tip holder with the adjusting bolt that bolt on the dead head passes in the hole.
The invention has the beneficial effects as follows: the present invention can improve working (machining) efficiency, reduction instrument cost, the raising stock utilization of cutlery, and hang-up was out of shape in the electric welding that has effectively solved this type of cutlery.Utilize the present invention to weld extension drill or reamer, total length is beated and can be controlled in the 0.10mm, and deflection is minimum, satisfies preface heat treatment requirements down fully, and is provided the service life of cutlery.
Description of drawings
Fig. 1 is a front view of the present invention, Fig. 2 be the A of Fig. 1 to view, Fig. 3 is top front view, Fig. 4 is the front view of bracing frame, Fig. 5 is the left view of Fig. 4.
The specific embodiment
The specific embodiment one: in conjunction with Fig. 1～Fig. 5 explanation, a kind of special fixture that welds spreading drill bit or reamer of present embodiment, described special fixture comprise base 1, two tip holder 2, two top 3, two positioning keys 4, two top hold-down bolts 5, two regulate bolt 6 and four connecting bolts 7; Top 3 are made up of centre head 3-1 and dead head 3-2, and the tail end of centre head 3-1 is fixedlyed connected with the center of dead head 3-1 one lateral surface; Its length direction of upper edge, upper surface of base 1 is processed with a recessed groove 1-1 and two inversion T shape groove 1-2, recessed groove 1-1 is positioned at two and is inverted in the middle of the T shape groove 1-2, the center of the lower surface of each tip holder 2 is processed with a upper groove 2-1, two of being set up in parallel in base 1 upper surface along the length direction of base 1 are inverted on the T shape groove 1-2 for two tip holder 2, be connected with positioning key 4 in the recessed groove 1-1 and (utilize positioning key 4 location by being arranged on upper groove 2-1 between each tip holder 2 and the base 1, guarantee that the recessed groove 1-1 depth of parallelism is in 0.04mm), each is inverted the bolt head 7-1 that is provided with two connecting bolts 7 in the T shape groove 1-2, each tip holder 2 is fixedlyed connected (during welding with base 1 by two connecting bolts 7, length according to cutlery, unclamp two connecting bolts 7 on the tip holder 2 in two tip holder 2 earlier, regulate two top 3 position, the adjustable range of distance is between 200～2000mm between two top 3) after fixing again, the thickness direction of the sidewall upper edge tip holder 2 of each tip holder 2 is processed with a penetrating pitch of centers adjustment hole 2-2, the short transverse of sidewall upper edge, two holes tip holder 2 of pitch of centers adjustment hole 2-2 respectively is processed with a waist hole 2-3 who communicates with pitch of centers adjustment hole 2-2, the center of the upper surface of tip holder 2 is processed with a tapped through hole 2-4 who communicates with pitch of centers adjustment hole 2-2, be processed with threaded connection hole 3-2-1 and bolt on the dead head 3-2 and pass hole 3-2-2, threaded connection hole 3-2-1 and bolt pass the axially vertical setting mutually of hole 3-2-2, dead head 3-2 is assemblied in the pitch of centers adjustment hole 2-2 on the tip holder 2, top hold-down bolt 5 simultaneously with tip holder 2 on tapped through hole 2-4 and the threaded connection hole 3-2-1 on the dead head 3-2 be threaded, dead head 3-2 and tip holder 2 are connected (two top 3 adjustable height by two waist hole 2-3 that penetrate on the tip holder 2 with the adjusting bolt 6 that bolt on the dead head 3-2 passes in the 3-2-2 of hole, and regulate height and fixed position by adjusting nut 8-3, guarantees two top 3 stability highly; Can satisfy the welding requirements of cutlery diameter between Φ 40～Φ 180mm), the relative and coaxial setting of two top 3 centre head 3-1.
Two tip holder 2 adopt positioning keys 4 and connecting bolt 7 to guarantee that the blade of cutlery, shank axiality all within 0.10mm, guaranteed welding quality, facts have proved that the method for this kind welding extension drill, reamer has improved welding quality and efficient greatly.
The specific embodiment two: in conjunction with Fig. 3 explanation, the material of the centre head 3-1 of present embodiment is a carbide alloy.Design like this, can improve the intensity of centre head 3-1.Other is identical with the specific embodiment one.
The specific embodiment three: in conjunction with Fig. 2 and Fig. 3 explanation, the center of the described lateral surface on the dead head 3-2 of present embodiment is processed with a blind hole 3-2-3, to pass hole 3-2-2 perpendicular with threaded connection hole 3-2-1 and bolt respectively for the axis of blind hole 3-2-3, the afterbody of centre head 3-1 is arranged in the blind hole 3-2-3 of dead head 3-2, and the tail end of centre head 3-1 adopts the form of copper arc welding electrode welding to fixedly connected with dead head 3-2.So design, resistance to elevated temperatures is good, and can increase top red hardness, improves top service life greatly, has reduced design cost simultaneously.Other is identical with the specific embodiment one or two.
The specific embodiment four: in conjunction with Fig. 1 explanation, two inversion T shape groove 1-2 of present embodiment are symmetrical arranged with respect to the center line of base 1 length direction.Other is identical with the specific embodiment one.
The specific embodiment five: in conjunction with Fig. 1, Fig. 4 and Fig. 5 explanation, the described special fixture of present embodiment also comprises bracing frame 8; Support frame as described above 8 comprises supporting seat 8-1, connecting screw rod 8-2, adjusting nut 8-3 and holder 8-4; The upper surface of supporting seat 8-1 is provided with V-type groove 8-1-1, the groove bottom of V-type groove 8-1-1 is the plane, V-type groove 8-1-1 and centre head 3-1 are oppositely arranged, the center of the upper surface of holder 8-4 is processed with a screw rod connecting hole 8-4-1, the middle part of the lower surface of holder 8-4 is provided with a protruding 8-4-2, connecting screw rod 8-2 is threaded with adjusting nut 8-3, fixedly connected with the center of the lower surface of supporting seat 8-1 in the upper surface of connecting screw rod 8-2, the lower end of connecting screw rod 8-2 is threaded with the screw rod connecting hole 8-4-1 of holder 8-4, and the protruding 8-4-2 on the holder 8-4 is arranged in the recessed groove 1-1 on the base 1.So design, the height of the supporting seat 8-1 of bracing frame 8 is realized by rotating adjusting nut 8-3.
During welding, for extension drill, the long situation of reamer, bracing frame 8 of middle design is in order to support cutlery.Other is identical with the specific embodiment one, two or five.
Before the welding, according to the blade length overall, at first regulate two tip holder, make the total length between the two satisfy the cutlery length overall requirement of welding back, and then according to the welding extension drill, the reamer blade, the shank situation of beating, regulate two top, make two top axis at sustained height, concrete control method is: unclamp the adjusting bolt, utilize and regulate bolt the top up-down adjustment of carrying out, satisfy welding process requirement, regulate the supporting seat height simultaneously to correct position, along the cutlery circumference, blade and shank are played the dial gauge fine setting respectively, cutlery is beated guarantee in 0.10mm, adopt top location, two ends during welding, middle V-type groove by supporting seat supports the mode of locating, and guarantees extension drill and reamer welding quality.
Claims (5)
1. special fixture that welds spreading drill bit or reamer is characterized in that: described special fixture comprises that base (1), two tip holder (2), two top (3), two positioning keys (4), two top hold-down bolts (5), two regulate bolt (6) and four connecting bolts (7); Top (3) are made up of centre head (3-1) and dead head (3-2), the tail end of centre head (3-1) is fixedlyed connected with the center of dead head (3-1) lateral surface, its length direction of upper edge, upper surface of base (1) is processed with a recessed groove (1-1) and two inversion T shape grooves (1-2), recessed groove (1-1) is positioned at two and is inverted in the middle of the T shape groove (1-2), the center of the lower surface of each tip holder (2) is processed with a upper groove (2-1), two tip holder (2) are set up in parallel on two inversion T shape grooves (1-2) of base (1) upper surface along the length direction of base (1), be connected with positioning key (4) in the recessed groove (1-1) by being arranged on upper groove (2-1) between each tip holder (2) and the base (1), each is inverted the bolt head (7-1) that is provided with two connecting bolts (7) in the T shape groove (1-2), each tip holder (2) is fixedlyed connected with base (1) by two connecting bolts (7), the thickness direction of the sidewall upper edge tip holder (2) of each tip holder (2) is processed with a penetrating pitch of centers adjustment hole (2-2), the short transverse of two holes sidewall upper edge tip holder (2) of pitch of centers adjustment hole (2-2) respectively is processed with a waist hole (2-3) that communicates with pitch of centers adjustment hole (2-2), the center of the upper surface of tip holder (2) is processed with a tapped through hole (2-4) that communicates with pitch of centers adjustment hole (2-2), be processed with threaded connection hole (3-2-1) and bolt on the dead head (3-2) and pass hole (3-2-2), threaded connection hole (3-2-1) and bolt pass the axially vertical setting mutually in hole (3-2-2), dead head (3-2) is assemblied in the pitch of centers adjustment hole (2-2) on the tip holder (2), top hold-down bolt (5) simultaneously with tip holder (2) on tapped through hole (2-4) and the threaded connection hole (3-2-1) on the dead head (3-2) be threaded, dead head (3-2) and tip holder (2) are connected the relative and coaxial setting of the centre head of two top (3) (3-1) by two the waist holes (2-3) that penetrate on the tip holder (2) with the adjusting bolt (6) that bolt on the dead head (3-2) passes in the hole (3-2-2).
2. a kind of special fixture that welds spreading drill bit or reamer according to claim 1 is characterized in that: the material of centre head (3-1) is a carbide alloy.
3. a kind of special fixture that welds spreading drill bit or reamer according to claim 1 and 2, it is characterized in that: the center of the described lateral surface on the dead head (3-2) is processed with a blind hole (3-2-3), to pass hole (3-2-2) perpendicular with threaded connection hole (3-2-1) and bolt respectively for the axis of blind hole (3-2-3), the afterbody of centre head (3-1) is arranged in the blind hole (3-2-3) of dead head (3-2), and the tail end of centre head (3-1) adopts the form of copper arc welding electrode welding to fixedly connected with dead head (3-2).
4. a kind of special fixture that welds spreading drill bit or reamer according to claim 1 is characterized in that: two inversion T shape grooves (1-2) are symmetrical arranged with respect to the center line of base (1) length direction.
5. according to claim 1,2 or 4 described a kind of special fixtures that weld spreading drill bit or reamer, it is characterized in that: described special fixture also comprises bracing frame (8); Support frame as described above (8) comprises supporting seat (8-1), connecting screw rod (8-2), adjusting nut (8-3) and holder (8-4); The upper surface of supporting seat (8-1) is provided with V-type groove (8-1-1), the groove bottom of V-type groove (8-1-1) is the plane, V-type groove (8-1-1) is oppositely arranged with centre head (3-1), the center of the upper surface of holder (8-4) is processed with a screw rod connecting hole (8-4-1), the middle part of the lower surface of holder (8-4) is provided with a projection (8-4-2), connecting screw rod (8-2) is threaded with adjusting nut (8-3), fixedly connected with the center of the lower surface of supporting seat (8-1) in the upper surface of connecting screw rod (8-2), the lower end of connecting screw rod (8-2) is threaded with the screw rod connecting hole (8-4-1) of holder (8-4), and the projection (8-4-2) of holder (8-4) is arranged in the recessed groove (1-1) on the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110152141 CN102179657B (en) | 2011-06-08 | 2011-06-08 | Special clamp for welding lengthening drill or expanding drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110152141 CN102179657B (en) | 2011-06-08 | 2011-06-08 | Special clamp for welding lengthening drill or expanding drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102179657A true CN102179657A (en) | 2011-09-14 |
| CN102179657B CN102179657B (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110152141 Active CN102179657B (en) | 2011-06-08 | 2011-06-08 | Special clamp for welding lengthening drill or expanding drill |
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| CN (1) | CN102179657B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084731A (en) * | 2014-05-22 | 2014-10-08 | 乐清市长城工具有限公司 | Drill body notch aligning device of drill welding machine |
| CN104625670A (en) * | 2015-01-16 | 2015-05-20 | 哈尔滨飞机工业集团有限责任公司 | Method for manufacturing lengthened drill bit |
| CN105397377A (en) * | 2015-12-22 | 2016-03-16 | 江苏贝孚德通讯科技股份有限公司 | Resonant column welding clamp |
| CN106958423A (en) * | 2017-03-27 | 2017-07-18 | 成都大漠石油技术有限公司 | Oil bit special clamping system |
| CN106968624A (en) * | 2017-03-27 | 2017-07-21 | 成都大漠石油技术有限公司 | A kind of equipment for clamping oil drilling tool |
| CN107825160A (en) * | 2017-12-06 | 2018-03-23 | 上海复合材料科技有限公司 | Adjustable machine processing and loading clamp servicing unit |
| CN107838609A (en) * | 2017-11-03 | 2018-03-27 | 深圳市金洲精工科技股份有限公司 | A kind of alignment device and welding method for improving drill bit axiality |
| CN107855715A (en) * | 2017-12-12 | 2018-03-30 | 苏州新锐合金工具股份有限公司 | A kind of assembling clamping of PDC composite drill bits and measurement apparatus |
| CN109434575A (en) * | 2018-11-27 | 2019-03-08 | 苏州阿诺精密切削技术有限公司 | Circular arc slot type deep hole drill grinding location device |
| CN110142704A (en) * | 2019-04-24 | 2019-08-20 | 贵州永红航空机械有限责任公司 | Aluminum plate fin type radiator Welding Testing fixture and method |
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| CN201819678U (en) * | 2010-09-06 | 2011-05-04 | 哈尔滨量具刃具集团有限责任公司 | Positioning clamp of small-modulus perforated gear |
| CN202137545U (en) * | 2011-06-08 | 2012-02-08 | 哈尔滨汽轮机厂有限责任公司 | Special fixture for welding lengthened drill bits or expanding drills |
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| US3711010A (en) * | 1970-01-20 | 1973-01-16 | Connell J Mc | Automatic fusion welder for structural steel members |
| CN101451809A (en) * | 2007-11-30 | 2009-06-10 | 上海诺玛液压系统有限公司 | Cramp for measuring mandrel |
| CN101323069A (en) * | 2008-07-22 | 2008-12-17 | 山东丰汇设备技术有限公司 | Whole interchanging quick fix tower section engaging eared plate welding fixture |
| CN201819678U (en) * | 2010-09-06 | 2011-05-04 | 哈尔滨量具刃具集团有限责任公司 | Positioning clamp of small-modulus perforated gear |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084731B (en) * | 2014-05-22 | 2016-03-09 | 乐清市长城工具有限公司 | The bit body otch alignment device of drill bit bonding machine |
| CN104084731A (en) * | 2014-05-22 | 2014-10-08 | 乐清市长城工具有限公司 | Drill body notch aligning device of drill welding machine |
| CN104625670A (en) * | 2015-01-16 | 2015-05-20 | 哈尔滨飞机工业集团有限责任公司 | Method for manufacturing lengthened drill bit |
| CN105397377A (en) * | 2015-12-22 | 2016-03-16 | 江苏贝孚德通讯科技股份有限公司 | Resonant column welding clamp |
| CN106958423A (en) * | 2017-03-27 | 2017-07-18 | 成都大漠石油技术有限公司 | Oil bit special clamping system |
| CN106968624A (en) * | 2017-03-27 | 2017-07-21 | 成都大漠石油技术有限公司 | A kind of equipment for clamping oil drilling tool |
| CN107838609B (en) * | 2017-11-03 | 2024-01-30 | 深圳市金洲精工科技股份有限公司 | Alignment device for improving coaxiality of drill bit and welding method |
| CN107838609A (en) * | 2017-11-03 | 2018-03-27 | 深圳市金洲精工科技股份有限公司 | A kind of alignment device and welding method for improving drill bit axiality |
| CN107825160A (en) * | 2017-12-06 | 2018-03-23 | 上海复合材料科技有限公司 | Adjustable machine processing and loading clamp servicing unit |
| CN107855715A (en) * | 2017-12-12 | 2018-03-30 | 苏州新锐合金工具股份有限公司 | A kind of assembling clamping of PDC composite drill bits and measurement apparatus |
| CN109434575A (en) * | 2018-11-27 | 2019-03-08 | 苏州阿诺精密切削技术有限公司 | Circular arc slot type deep hole drill grinding location device |
| CN109434575B (en) * | 2018-11-27 | 2023-09-01 | 苏州阿诺精密切削技术有限公司 | Arc groove type deep hole drill grinding and positioning device |
| CN110142704A (en) * | 2019-04-24 | 2019-08-20 | 贵州永红航空机械有限责任公司 | Aluminum plate fin type radiator Welding Testing fixture and method |
| CN110142704B (en) * | 2019-04-24 | 2021-02-12 | 贵州永红航空机械有限责任公司 | Welding inspection method for aluminum plate-fin radiator |
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|---|---|
| CN102179657B (en) | 2013-09-18 |
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