CN102029455A - Clamp for welding of PCD blade - Google Patents
Clamp for welding of PCD blade Download PDFInfo
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- CN102029455A CN102029455A CN 201010597168 CN201010597168A CN102029455A CN 102029455 A CN102029455 A CN 102029455A CN 201010597168 CN201010597168 CN 201010597168 CN 201010597168 A CN201010597168 A CN 201010597168A CN 102029455 A CN102029455 A CN 102029455A
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- welding
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- clamp base
- anchor clamps
- briquetting
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- 238000003466 welding Methods 0.000 title abstract description 41
- 230000008859 change Effects 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 9
- 238000003825 pressing Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005219 brazing Methods 0.000 description 13
- 229910000679 solder Inorganic materials 0.000 description 11
- 239000002131 composite material Substances 0.000 description 10
- 230000006698 induction Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 230000004907 flux Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000003319 supportive effect Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
本发明公开了一种用于焊接PCD刀片的夹具，特别是一种能广泛用于BT柄、HSK柄、直柄等常用PCD刀具并能保证较好精度的快速定位夹持夹紧设备，包括一个夹具底座(10)，夹具底座(10)的上设有焊接刀具定位装置，刀具定位装置包括“V”形托块(5)、压块(3)和螺纹推杆(4)。此外，夹具底座(10)之上还可安装可直线滑动的焊接刀具辅助支撑装置，焊接刀具辅助支撑装置包括“V”形支撑块(7)、导杆(6)和滑动底盘(9)。采用本发明技术方案的用于焊接PCD刀片的夹具在焊接过程中刀具很稳定，不会有移动或者振动；对焊接的质量、精度和效率都有较大的提高。通过模块化设计，可以很方便的拆分夹具，维护、搬运方便。
The invention discloses a fixture for welding PCD blades, in particular a fast positioning and clamping device that can be widely used for commonly used PCD cutters such as BT handles, HSK handles, and straight handles, and can ensure better precision, including A clamp base (10), the clamp base (10) is provided with a welding tool positioning device, and the tool positioning device includes a "V" shaped bracket (5), a pressing block (3) and a threaded push rod (4). In addition, a linearly slidable welding tool auxiliary support device can also be installed on the fixture base (10), and the welding tool auxiliary support device includes a "V" shaped support block (7), a guide rod (6) and a sliding chassis (9). The jig for welding PCD blades adopting the technical solution of the present invention is very stable during the welding process without moving or vibrating; the quality, precision and efficiency of welding are greatly improved. Through the modular design, the fixture can be easily disassembled, which is convenient for maintenance and transportation.
Description
Technical field
The present invention relates to a kind of location and clamp mechanism thereof that is used to weld the PCD blade, particularly a kind of quick positioning clamping apparatus for fastening that can be widely used in PCD cutters commonly used such as BT handle, HSK handle, staight shank and can guarantee better precision.
Background technology
The combination of PCD composite sheet and cutter hub is by brazing mode the PCD composite sheet to be welded on the matrix of carbide alloy or other materials except that adopting mechanical clamping and adhering method mostly.The welding method of PCD composite sheet has gas brazing, vacuum brazing, laser weld, vacuum diffusion welding, high-frequency induction brazing etc.At present the welding method of PCD composite sheet mainly is a high-frequency induction brazing, is to utilize electromagnetic induction principle to make electromagnetic energy change into heat energy in solder and part, and solder is heated to molten condition, thus the welding method that workpiece is welded together.Welding temperature should be strict controlled in below 700 ℃, but must not be lower than 680 ℃, otherwise can not get the high strength weld seam.Adopt this method, the soldering firing rate is fast, and power density can reach 10～100kw/cm, can in seconds finish heating process usually, and can guarantee the dimensional accuracy of workpiece, and its shear strength can reach 300～400MPa, welds main flow process at present:
1. to the processing of PCD composite sheet and tool matrix and the preparation of solder.As in order to remove the oxide layer on the faying face, carry out blasting treatment to the PCD composite sheet.With file the solder side of tool matrix is processed, used that supersonic wave cleaning machine cleans tool matrix and solder etc.
2. solder, brazing flux and PCD composite sheet are pressed a graded and position of sound production, control brazing temperature exactly.Facts have proved that the most rational brazing temperature should be higher 30～50 ℃ than solder fusing point, at this moment the flowability of solder, permeability are best, are easy to infiltration, are covered with whole welding line.
3. the tool matrix that will put solder, brazing flux and PCD composite sheet in order well is put into load coil, starts high-frequency induction welder and heats.When the temperature control system demonstration has been heated to brazing temperature, with ceramic rod the PCD composite sheet is moved back and forth 2～3 times along the cutter groove, to get rid of the slag in the weld seam.With the advantage that ceramic rod is operated, be its not sticking brazing flux, solder and blade, be convenient to manipulate, and be difficult for induction, be particularly suitable for when high-frequency induction brazing heats, using.During deslagging, the PCD composite sheet can be shifted out about 1/3 along the groove nest, shift out the PCD blade is fallen down, move that then deslagging is incomplete very little.
4. the cooling after the soldering generally is at present that the good PCD cutter of welding is placed on slowly cooling in the incubator.After treating the cooling of postwelding cutter, in time clean excessive brazing flux and surface scale.Can adopt sandblast to clean, and then whether level and smooth, bright and clean, weld defects such as pore-free, crackle are arranged, have the cutter of serious weld defect to return and reweld with the lens examination weld seam.
The most important thing is for the 3rd step in this welding process.And the location of cutter hub just seems particularly important with clamping in this step, because the location of anchor clamps, add clamping method and precision the efficient and the quality of welding all had very big influence.But domestic PCD cutter weld jig does not also have fixing form at present, and interchangeability, the precision of anchor clamps are bad, and the anchor clamps that have are relatively heavier, and clamping is very inconvenient, and the applicability of the anchor clamps that have is also poor, and the scope of clamping tool dimension is smaller.So need multiple anchor clamps, use very inconveniently, also increased production cost.The fixture operation that has is got up very inconvenient, has increased welder's workload virtually, has reduced operating efficiency.And the most important thing is to guarantee the quality of welding.Some occasion even directly weld with hand-held cutter hub so not only expends muscle power, and welding temperature is higher easily the workman is damaged, and crucial is like this welder have been proposed very high requirement, and the quality of welding also is difficult to guarantee.PCD generally is used in precision machined occasion, if the poor quality of welding is easy to cause the tipping damage of PCD sheet even come off.Along with the extensive use of PCD cutter, strict more requirement has been proposed all for the production efficiency of PCD cutter and quality.The raising of quality of workers is extremely urgent like this, but will improve the personnel selection cost of enterprise like this, reduces the profitability of enterprise.For these detailed problems, what wish usually is to exchange maximum repayment for minimum input, strives for solving all problems in using a cover new method, new technology, new technological process.But in fact, the existing anchor clamps that are used for workpiece welding are too complicated, and manufacturing cost is higher, operates also very inconvenient.
Summary of the invention
The object of the present invention is to provide a kind of have universality, efficiently, a kind of anchor clamps that are used to weld the PCD blade of better precision guarantee are arranged.These anchor clamps that are used to weld the PCD blade had both needed to guarantee the required precision of PCD blade welding, needed to have excellent adaptability again, also extraordinary ease for operation will be arranged simultaneously.
To achieve the above object of the invention, the present invention adopts following technical proposals:
A kind of anchor clamps that are used to weld the PCD blade, comprise a clamp base, clamp base be provided with the brazed shank tool positioner, equipment for cutter positioning comprises " V " shape tray, a briquetting and a screw putter, " V " shape tray is fixedlyed connected with clamp base by fastening bolt, be provided with briquetting on " V " shape tray, fixedly connected by fastening bolt with " V " shape tray respectively in the two ends of briquetting, the downward spill mouth of briquetting is corresponding with " V " shape opening that " V " shape tray makes progress, form the working space of clamping brazed shank tool, the spill mouth bottom of briquetting is provided with internal thread hole and matches with screw putter.
At the above-mentioned anchor clamps that are used for welding the PCD blade, also can be equipped with on clamp base can be along the brazed shank tool auxiliary support apparatus of clamp base linear slide, the brazed shank tool auxiliary support apparatus comprises " V " shape back-up block, two guide rods and a sliding chassis, sliding chassis slides along the axis direction of equipment for cutter positioning clamping brazed shank tool, sliding chassis rotatably compresses and the clamp base relative fixed by trip bolt, " V " shape back-up block is positioned at the sliding chassis top, " V " shape back-up block slides by the guide rod lifting that two vertical fixing are installed on the sliding chassis, being installed on two adjustment nuts on the guide rod is positioned between sliding chassis and " V " shape back-up block, adjust nut and contact, adjust nut by rotation and change the adjustable height that its stroke on guide rod makes " V " shape back-up block with the lower surface of " V " shape back-up block.The brazed shank tool auxiliary support apparatus mainly is to play a supportive role when the brazed shank tool axial length is longer, and can satisfy when cutter shaft has had the higher requirement of ratio to stability when long.
As further improvement of the present invention, the internal thread hole that matches with bolt in the briquetting two ends has the open slot that radially runs through along it, thereby can be easy to clamping workpiece, also is easy to clamper for disassembling.
The present invention compared with prior art, have following conspicuous outstanding substantive distinguishing features and remarkable advantage: clamping efficient obviously improves; Clamping precision and machining accuracy reach designing requirement and highly stable; The universality of anchor clamps is good, handle of a knife that basically can the clamping any type, and as handle of a knifes such as BT handle, HSK, the diameter of clamping cutter shank portion is Ф 8mm～Ф 88mm, length can reach about 200mm; Reached the goal of the invention that reduces cost, raises the efficiency with precision.
Description of drawings
Fig. 1 is the structural representation that the present invention is used to weld the anchor clamps of PCD blade.
The specific embodiment
Embodiment one:
Referring to Fig. 1, the present invention is a kind of anchor clamps that are used to weld the PCD blade, comprise a clamp base 10, clamp base 10 be provided with the brazed shank tool positioner, equipment for cutter positioning comprises " V " shape tray 5, a briquetting 3 and a screw putter 4, " V " shape tray 5 is fixedlyed connected with clamp base 10 by fastening bolt 2, be provided with briquetting 3 on " V " shape tray 5, fixedly connected by fastening bolt 2 with " V " shape tray 5 respectively in the two ends of briquetting 3, the downward spill mouth of briquetting 3 is corresponding with " V " shape opening that " V " shape tray 5 makes progress, form the working space of clamping brazed shank tool, the spill mouth bottom of briquetting 3 is provided with internal thread hole and matches with screw putter 4.Wherein, " V " shape tray 5 plays a part to support the location brazed shank tool, cutter is placed on " V " shape tray 5 after, put briquetting 3 well, briquetting 3 is the approximate concave structure that falls " V " shape.After workpiece is put well, screw screw putter 4, but workpiece pressing just because in welding process continuous rotary cutter angle possibly, reach best PCD blade welding position, use screw putter 4 to make operation quite convenient.Like this, can be easy to the clamping and release brazed shank tool, thereby save a lot of operating times.
Embodiment two:
Referring to Fig. 1, the special feature of present embodiment is, being equipped with on clamp base 10 can be along the brazed shank tool auxiliary support apparatus of clamp base 10 linear slide, the brazed shank tool auxiliary support apparatus comprises " V " shape back-up block 7, two guide rods 6 and a sliding chassis 9, sliding chassis 9 slides along the axis direction of equipment for cutter positioning clamping brazed shank tool, sliding chassis 9 rotatably compresses and clamp base 10 relative fixed by trip bolt 1, " V " shape back-up block 7 is positioned at sliding chassis 9 tops, " V " shape back-up block 7 slides by guide rod 6 liftings that two vertical fixing are installed on the sliding chassis 9, being installed on two adjustment nuts 8 on the guide rod 6 is positioned between sliding chassis 9 and " V " shape back-up block 7, adjust nut 8 and contact, adjust nut by rotation and change the adjustable height that its stroke on guide rod 6 makes " V " shape back-up block 7 with the lower surface of " V " shape back-up block 7.This part of brazed shank tool auxiliary support apparatus mainly is to play a supportive role when the brazed shank tool axial length is longer, when cutter shaft has just had the higher requirement of ratio to stability when long, general anchor clamps at all can't clamping, and perhaps the clamping rear stability is also very poor.Cause welding quality very unstable like this.If set up the brazed shank tool auxiliary support apparatus, just can well address this problem.At first the height of " V " shape back-up block 7 can arbitrarily be adjusted, and so just can select suitable cutter Support Position to support, and sliding chassis 9 then can move at axial range, can support the cutter of different length.And this part also can be dismantled very easily.And if the length of the cutter of welding is very short, then can just can disassembles, thereby can simplify anchor clamps without this part.Clamping part is fixed on the clamp base, and support section is placed on the clamp base 10 and can moves axially along workpiece, by cooperation work, has constituted this chucking appliance system.
As further improvement of the present invention, the internal thread hole that matches with bolt in the briquetting two ends is half-open, and screwed hole thin-walled place has the open slot that radially runs through along it, unclamps bolt and does not pull down bolt and can unload lower lock block, thereby can be easy to clamping workpiece, also be easy to clamper for disassembling.
And the aluminum alloy materials manufacturing of these anchor clamps, so the very light in weight of anchor clamps is carried easily and adjusted, reduced the workload the when workman operates.
The technical scheme that the present invention proposes can be carried out the blade welding of PCD cutter very easily, improves the quality of welding and the efficient of welding simultaneously.At first anchor clamps are placed on welding bench steadily.Then PCD cutter to be welded is placed on 5 li on " V " shape tray, rotary cutter.Make the solder side position that is up to the standard, place briquetting 3.And it is fixing with fastening bolt 2.Turn screw putter 4 compresses cutter, and the clamping preparation of workpiece is finished.So just guaranteed workpiece position fixing and steadily in welding process.The brazed shank tool auxiliary support apparatus that slides is then adjusted to best Support Position, adjusts the adjustment nut 8 of supporting mechanism simultaneously, reaches best support effect.Use fixedly sliding chassis 9 of holding screw 1 at last, guarantee the stability of cutter in welding process.These anchor clamps can clamping diameter Ф 8mm-Ф 88m cutter, the length of brazed shank tool can be adjusted arbitrarily in the scope about 200mm, so just increased the universality of these anchor clamps greatly, and these anchor clamps requirement that the shape of cutter is not had substantially, in a plurality of PCD sheets of welding (3 swords, 4 swords etc.),, unclamp screw putter 4 when what a blade of welding, the cutter welding region of rotation is to horizontal level, turn screw putter 4 workpiece pressings again.Adjusting to suitable position welds.Finish the welding of all the other blades.We have just finished the welding process of a PCD cutter knife like this.
The present invention compared with prior art, have following apparent outstanding substantive distinguishing features: the rigidity of anchor clamps all is enough by emulation and practical proof among the present invention, thereby cutter is very stable in welding process, does not have mobile or vibration; This raising to the quality of welding is very helpful. By brazed shank tool positioner and the brazed shank tool auxiliary support apparatus that anchor clamps itself carry, can carry out more convenient, more efficiently the positioning and clamping of cutter, and guarantee higher precision; By modularized design, can split very easily anchor clamps, maintenance, convenient in carrying. The particularly design of sliding support not only makes the universality of anchor clamps better, and uses more flexible. Be not when growing very much at tool length, can take off supporting mechanism so that, only use the clamping part of anchor clamps. So that anchor clamps are simplified more. Use the accommodation of chuck push rod clamping increase substantially (Ф 8mm-Ф 88m); The design on chassis makes anchor clamps more stable.
Claims (4)
1. anchor clamps that are used to weld the PCD blade, comprise a clamp base (10), it is characterized in that: described clamp base (10) be provided with the brazed shank tool positioner, described equipment for cutter positioning comprises " V " shape tray (5), a briquetting (3) and a screw putter (4), described " V " shape tray (5) is fixedlyed connected with clamp base (10) by fastening bolt (2), be provided with briquetting (3) on described " V " the shape tray (5), fixedly connected by fastening bolt (2) with " V " shape tray (5) respectively in the two ends of briquetting (3), the downward spill mouth of described briquetting (3) is corresponding with " V " shape opening that described " V " shape tray (5) makes progress, form the working space of clamping brazed shank tool, the internal thread hole that the spill mouth bottom of described briquetting (3) is provided with matches with screw putter (4).
2. the anchor clamps that are used to weld the PCD blade according to claim 1, it is characterized in that, being equipped with on the described clamp base (10) can be along the brazed shank tool auxiliary support apparatus of clamp base (10) linear slide, described brazed shank tool auxiliary support apparatus comprises " V " shape back-up block (7), two guide rods (6) and a sliding chassis (9), described sliding chassis (9) slides along the axis direction of described equipment for cutter positioning clamping brazed shank tool, sliding chassis (9) rotatably compresses and clamp base (10) relative fixed by trip bolt (1), described " V " shape back-up block (7) is positioned at sliding chassis (9) top, " V " shape back-up block (7) slides by guide rod (6) lifting that two vertical fixing are installed on the sliding chassis (9), the adjustment nut (8) that is installed on two described guide rods (6) is positioned between sliding chassis (9) and " V " shape back-up block (7), adjust nut (8) and contact, adjust nut (8) by rotation and change the adjustable height that its stroke on guide rod (6) makes " V " shape back-up block (7) with the lower surface of " V " shape back-up block (7).
3. the anchor clamps that are used to weld the PCD blade according to claim 1 and 2 is characterized in that, described briquetting (3) two ends have the open slot that radially runs through along it with the internal thread hole that bolt (2) matches.
4. the anchor clamps that are used to weld the PCD blade according to claim 1 and 2 is characterized in that, the described material that is used to weld the anchor clamps of PCD blade is an aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010597168 CN102029455A (en) | 2010-12-21 | 2010-12-21 | Clamp for welding of PCD blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010597168 CN102029455A (en) | 2010-12-21 | 2010-12-21 | Clamp for welding of PCD blade |
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| Publication Number | Publication Date |
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| CN102029455A true CN102029455A (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010597168 Pending CN102029455A (en) | 2010-12-21 | 2010-12-21 | Clamp for welding of PCD blade |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320392A (en) * | 2011-05-25 | 2012-01-18 | 烟台力凯电子科技有限公司 | Feeding positioning point welding package device |
| CN102967504A (en) * | 2012-10-30 | 2013-03-13 | 苏州市职业大学 | Miniature sample clamping device for superhard tool thermal fatigue test |
| CN103962988A (en) * | 2014-05-23 | 2014-08-06 | 上海克来机电自动化工程股份有限公司 | Clamp with self-locking function |
| CN104028934A (en) * | 2014-05-27 | 2014-09-10 | 中国建筑第八工程局有限公司 | Positioning device and method for sleeve connecting part |
| CN104128813A (en) * | 2014-07-29 | 2014-11-05 | 洛阳王力重型机械有限公司 | Large lathe V-shaped clamping base |
| CN104607756A (en) * | 2015-02-05 | 2015-05-13 | 项俊俊 | Tool bit lifting and clamping device and control strategy of diamond tool welding machine |
| CN105880914A (en) * | 2014-12-05 | 2016-08-24 | 安顺市晶英科技研发有限责任公司 | Sliding type welding clamp for shaft type parts |
| CN105965194A (en) * | 2016-07-15 | 2016-09-28 | 深圳市金洲精工科技股份有限公司 | Super hard blade and cutter substrate welding and fixing device and welding method |
| CN106077874A (en) * | 2016-08-23 | 2016-11-09 | 贵州西南工具(集团)有限公司 | A kind of cutter high frequency brazing pressure apparatus and using method |
| CN108031945A (en) * | 2017-12-07 | 2018-05-15 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of high frequency brazing fixture of carbide bit and structural steel handle of a knife |
| CN111421279A (en) * | 2020-04-29 | 2020-07-17 | 武汉博畅通信设备有限责任公司 | Adjustable sheet welding tool |
| CN114211079A (en) * | 2021-12-13 | 2022-03-22 | 常州丰羽工具有限公司 | Be used for brazed interfacing apparatus of carbide handle of a knife and PCD tool bit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104607756A (en) * | 2015-02-05 | 2015-05-13 | 项俊俊 | Tool bit lifting and clamping device and control strategy of diamond tool welding machine |
| CN105965194A (en) * | 2016-07-15 | 2016-09-28 | 深圳市金洲精工科技股份有限公司 | Super hard blade and cutter substrate welding and fixing device and welding method |
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| CN106077874A (en) * | 2016-08-23 | 2016-11-09 | 贵州西南工具(集团)有限公司 | A kind of cutter high frequency brazing pressure apparatus and using method |
| CN108031945A (en) * | 2017-12-07 | 2018-05-15 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of high frequency brazing fixture of carbide bit and structural steel handle of a knife |
| CN108031945B (en) * | 2017-12-07 | 2020-02-07 | 中国航发沈阳黎明航空发动机有限责任公司 | High-frequency brazing clamp for hard alloy tool bit and structural steel tool shank |
| CN111421279A (en) * | 2020-04-29 | 2020-07-17 | 武汉博畅通信设备有限责任公司 | Adjustable sheet welding tool |
| CN114211079A (en) * | 2021-12-13 | 2022-03-22 | 常州丰羽工具有限公司 | Be used for brazed interfacing apparatus of carbide handle of a knife and PCD tool bit |
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Application publication date: 20110427 |