CN101875149A - Micro spot welding cooling device - Google Patents
Micro spot welding cooling device Download PDFInfo
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- CN101875149A CN101875149A CN 201010154698 CN201010154698A CN101875149A CN 101875149 A CN101875149 A CN 101875149A CN 201010154698 CN201010154698 CN 201010154698 CN 201010154698 A CN201010154698 A CN 201010154698A CN 101875149 A CN101875149 A CN 101875149A
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- cooling
- cooling block
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Abstract
The invention discloses a micro spot welding cooling device. The device comprises an upper cooling block and a lower cooling block, wherein the upper cooling block comprises an upper coolant inlet and an upper coolant outlet; the lower cooling block comprises a lower coolant inlet and a lower coolant outlet; the upper cooling block is in tight fit with an upper electrode; the lower cooling block is in tight fit with a lower electrode; an upper hollow cooling chamber is formed inside the upper cooling block; a lower hollow cooling chamber is formed inside the lower cooling block; the upper coolant inlet, the upper cooling chamber and the upper coolant outlet form an upper cooling path of the upper electrode; and the lower coolant inlet, the lower cooling chamber and the lower coolant outlet form a lower cooling path of the lower electrode. The cooling device cools the electrodes through the cooling blocks, so that a large amount of heat generated from spot welding is fast transmitted from the electrodes to the cooling blocks and then taken out by cooling water. The micro spot welding cooling device of the invention has the advantages of high cooling efficiency, safety and reliability, convenient assembly and disassembly and reusability.
Description
Technical field
The present invention relates to a kind of micro spot welding cooling device that is applied to industrial circles such as electronics, electrical equipment, microelectronics.
Background technology
Little spot welding device generally is applied in the industrial circles such as electronics, electrical equipment, microelectronics, typical case when being used in contact spot welding with welding electrode is applied as example, welding set electrode tip end face when work directly contacts with the high temperature workpiece, along with spot welding is carried out electrode and is become more and more hotter, the weld zone heat can not in time distribute, the permanent service behaviour that so just can weaken electrode causes shorten electrode life.Also produced by the bad defective of outward appearances such as spot welding contact textured surface is not bright and clean simultaneously thereupon, have to reduce welding current for guaranteeing point quality this moment, therefore the spot welding fastness is affected, even spot welding speed is fallen to such an extent that just can produce very slowly, have a strong impact on production efficiency, also may cause Related product to go wrong thus.Traditional cooling structure generally is located in the large electrode body, and the electrode diameter of little electric welding generally below 10 millimeters, can't adopt traditional cooling structure at Φ.
Summary of the invention
The object of the present invention is to provide a kind of cooling effectiveness height, safe and reliable and convenient mounting or dismounting, reusable micro spot welding cooling device.
For achieving the above object, technical scheme of the present invention is: a kind of micro spot welding cooling device is provided, comprise cooling block and following cooling block, the described cooling block of going up comprises cooling liquid inlet and last cooling liquid outlet, described cooling block down comprises cooling liquid inlet and following cooling liquid outlet down, the described cooling block of going up is by tightening screw with top electrode fits, and described cooling block down fits by playing trip bolt and bottom electrode.
Described upward cooling block inside is provided with the last cooling chamber of hollow, and described cooling block inside down is provided with the following cooling chamber of hollow.
Described upward cooling liquid inlet, the described cooling liquid outlet of going up are communicated with the external refrigeration circulatory system, and described cooling liquid inlet down, described cooling liquid outlet down are communicated with another external refrigeration circulatory system.
The described cooling liquid inlet of going up also can be used as cooling liquid outlet, and the described cooling liquid outlet of going up also can be used as cooling liquid inlet; Described cooling liquid inlet down also can be used as down cooling liquid outlet, and described cooling liquid outlet down also can be used as down cooling liquid inlet.
The described cooling liquid inlet of going up, described upward cooling chamber and described upward cooling liquid outlet have formed the last cooling channel of top electrode; Described cooling liquid inlet down, described cooling chamber down and described cooling liquid outlet have down formed the following cooling channel of bottom electrode.
The described cooling block central region that goes up is provided with a diameter and the last vertical through hole of specifying the top electrode diameter to match, a described side that goes up cooling block is provided with screw, there is a upper cut groove described position, cross section, stage casing of going up screw, and described upper cut groove communicates with the described vertical through hole of going up; The following vertical through hole that described cooling block central region down is provided with a diameter and specifies the bottom electrode diameter to match, a described side of cooling block down is provided with down screw, there is a lower cut groove the described position, cross section, stage casing of screw down, and described lower cut groove communicates with described vertical through hole down.
The described vertical through hole of going up, the described screw of going up, the described textural association that tightens screw and described upper cut groove are used to cooperate the described top electrode and described upward the fiting of cooling block of different-diameter; Described vertical through hole down, described screw down, the textural association of described trip bolt down and described lower cut groove are used to cooperate the described bottom electrode and described the fiting of cooling block down of different-diameter.Further, described electrode diameter is generally Φ below 10 millimeters.
The described upper surface of cooling block down is provided with the workpiece locating slot, makes described cooling block down play the effect of positioning fixture, is convenient to operation.
Described upward cooling block and described cooling block down are metal derby, and described metal derby is firm in structure, and is durable in use, and heat transfer effect is good.Further, described metal derby can be red copper piece or brass ingot or aluminium block etc.
Described cooling fluid is selected cold water for use.The good cooling results of cold water can effectively absorb the heat on the electrode.
The present invention has following outstanding effect:
1. simple in structure, mounting or dismounting are convenient, reusable saving cost.
2. cooling block adopts red copper or brass thermal conductivity better to be easy to material processed, convenient production.
3. good cooling results, by trip bolt clamping electrode and cooling block, a large amount of heats that produce when guaranteeing spot welding are taken out of by cooling water on can be apace from the electrodes transfer to the cooling block again.
4. prolonged the service life of electrode, need not frequently electrode to be safeguarded.
5. operating temperature that can control electrode, spot welding current is constant, has solved the not bright and clean problems in surface such as contact distortion, so the influence that the speed of spot welding is changed by electrode temperature has no longer improved production efficiency.
Description of drawings
Fig. 1 is the last cooling block of the structural representation of micro spot welding cooling device of the present invention: 101-; Cooling block under the 102-; The last cooling liquid inlet of 201-; Cooling liquid inlet under the 202-; The last cooling liquid outlet of 301-; Cooling liquid outlet under the 302-; The 401-top electrode; The 402-bottom electrode; 501-tightens screw; Trip bolt under the 502-; 600-workpiece locating slot.
Fig. 2 and Fig. 3 are respectively the section plans of going up cooling block and following cooling block: the last cooling block of 101-; Cooling block under the 102-; The last cooling liquid inlet of 201-; Cooling liquid inlet under the 202-; The last cooling liquid outlet of 301-; Cooling liquid outlet under the 302-; The last cooling chamber of 701-; Cooling chamber under the 702-; The last vertical through hole of 801-; Vertical through hole under the 802-; The last screw of 901-; Screw under the 902-; 1001-upper cut groove; 1002-lower cut groove.
The specific embodiment
In order to describe technology contents of the present invention, structural feature in detail, be described further below in conjunction with embodiment and conjunction with figs..
With reference to Fig. 1, a kind of micro spot welding cooling device, comprise cooling block 101 and following cooling block 102, the described cooling block 101 of going up comprises cooling liquid inlet 201 and last cooling liquid outlet 301, described cooling block 102 down comprises cooling liquid inlet 202 and following cooling liquid outlet 302 down, the described cooling block 101 of going up fits with top electrode 401 external diameters by tightening screw 501, and described cooling block 102 down is by trip bolt 502 and bottom electrode 402 external diameters fit down.
Described upward cooling liquid inlet 201, the described cooling liquid outlet 301 of going up are communicated with the external refrigeration circulatory system, and described cooling liquid inlet 202 down, described cooling liquid outlet 302 down are communicated with another external refrigeration circulatory system.
The described cooling liquid inlet 201 of going up also can be used as cooling liquid outlet, and the described cooling liquid outlet 301 of going up also can be used as cooling liquid inlet; Described cooling liquid inlet 202 down also can be used as down cooling liquid outlet, and described cooling liquid outlet 302 down also can be used as down cooling liquid inlet.
Use the described screw 501 that tightens that the described cooling block of going up is locked, use described trip bolt 502 down with described cooling block locking down, the realization electrode fully contacts with cooling block, makes the electrode cooling be in good stable status, reaches the purpose of abundant cooling electrode.
The position that described cooling block and electrode fit is as far as possible near electrode tip.
The described upper surface of cooling block 102 down is provided with workpiece locating slot 600, and cooling block 102 plays the effect of positioning fixture under making, is convenient to operation.
With reference to Fig. 2, Fig. 3, described upward cooling block 101 inside are provided with the last cooling chamber 701 of hollow, and described cooling block 102 inside down are provided with the following cooling chamber 702 of hollow.
Described cooling block 101 central region that go up are provided with the last vertical through hole 801 that a diameter and described top electrode 401 diameter match, a described side that goes up cooling block 101 is provided with screw 901, there is a upper cut groove 1001 described position, cross section, stage casing of going up screw 901, and described upper cut groove 1001 communicates with the described vertical through hole 801 of going up; Described down cooling block 201 central region are provided with the following vertical through hole 802 that a diameter and described bottom electrode 402 diameter match, a described side of cooling block 102 down is provided with down screw 902, there is a lower cut groove 1002 the described position, cross section, stage casing of screw 902 down, and described lower cut groove 1002 communicates with described vertical through hole 802 down.
With reference to Fig. 1, Fig. 2, Fig. 3, the described vertical through hole 801 of going up, the described screw 901 of going up, the described textural association that tightens screw 501 and described upper cut groove 1001 are used to cooperate the described top electrode 401 and described upward fully fiting of cooling block 101 of different-diameter; Described vertical through hole 802 down, screw 902 under described, the textural association of described trip bolt 502 down and described lower cut groove 1002 are used to cooperate the described bottom electrode 402 of different-diameter and the described top electrode 401 and described upward fully fiting of cooling block 101 of described cooling block 102 diameters down; Described vertical through hole 802 down, described screw 902 down, the textural association of described trip bolt 502 down and described lower cut groove 1002 are used to cooperate the described bottom electrode 402 and described fully fiting of cooling block 102 down of different-diameter.
Described electrode diameter is generally Φ below 10 millimeters.
Cooling device of the present invention directly is installed on the top electrode of original little spot welding head and the bottom electrode gets final product, need not change the other parts structure of head.
Cooling device of the present invention cools off electrode by cooling block, and a large amount of heats that produce during spot welding are taken out of by cooling water on apace from the electrodes transfer to the cooling block again, is a kind of cooling water to the electrode efficient way of cooling indirectly.In whole cooling procedure, cooling water is to carry out in the environment of a sealing, can not produce high-temperature steam, does not influence working environment, simultaneously, also makes machine avoid corrosion.Because outside liquid-supplying system is to the control of the time of contact of flow, cooling water and the electrode of cooling water, temperature after the cooling of control electrode makes it not be subjected to the influence of variation of ambient temperature effectively.
Cooling block is not limited to the place that point qualities such as contact spot welding are had relatively high expectations to the type of cooling of electrode in the cooling device of the present invention, so long as the little little spot welding of electrode can both be adopted apparatus of the present invention, thereby promotes little spot welding point quality, enhances productivity.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. micro spot welding cooling device, it is characterized in that: described cooling device comprises cooling block and following cooling block, the described cooling block of going up comprises cooling liquid inlet and last cooling liquid outlet, described cooling block down comprises cooling liquid inlet and following cooling liquid outlet down, the described cooling block of going up is by tightening screw and top electrode fits, described cooling block down is by trip bolt and bottom electrode fit down, described upward cooling block inside is provided with the last cooling chamber of hollow, and described cooling block inside down is provided with the following cooling chamber of hollow.
2. micro spot welding cooling device as claimed in claim 1, it is characterized in that: the described cooling block central region that goes up is provided with the last vertical through hole that a diameter and top electrode diameter match, a described side that goes up cooling block is provided with screw, there is a upper cut groove described position, cross section, stage casing of going up screw, and described upper cut groove communicates with the described vertical through hole of going up.
3. micro spot welding cooling device as claimed in claim 1, it is characterized in that: described down cooling block central region is provided with the following vertical through hole that a diameter and bottom electrode diameter match, a described side of cooling block down is provided with down screw, there is a lower cut groove the described position, cross section, stage casing of screw down, and described lower cut groove communicates with described vertical through hole down.
4. micro spot welding cooling device as claimed in claim 1 is characterized in that: the described upper surface of cooling block down is provided with the workpiece locating slot.
5. micro spot welding cooling device as claimed in claim 1 is characterized in that: described upward cooling block and the described material of cooling block down are metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010154698 CN101875149A (en) | 2010-04-23 | 2010-04-23 | Micro spot welding cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010154698 CN101875149A (en) | 2010-04-23 | 2010-04-23 | Micro spot welding cooling device |
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| Publication Number | Publication Date |
|---|---|
| CN101875149A true CN101875149A (en) | 2010-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010154698 Pending CN101875149A (en) | 2010-04-23 | 2010-04-23 | Micro spot welding cooling device |
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| CN (1) | CN101875149A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157995A (en) * | 2011-12-08 | 2013-06-19 | 苏州工业园区高登威科技有限公司 | System used for manufacturing clamp |
| CN113257568A (en) * | 2021-06-04 | 2021-08-13 | 西安正理机电科技有限公司 | Device and method for protecting insulator in tantalum capacitor welding |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3708845A (en) * | 1971-01-19 | 1973-01-09 | Continental Can Co | Forge roll for welding of thin-wall tubing |
| JPS60250884A (en) * | 1984-05-29 | 1985-12-11 | Takao Kinzoku Kogyo Kk | Welding device |
| JPS626781A (en) * | 1985-07-02 | 1987-01-13 | Daihatsu Motor Co Ltd | Spot welding machine |
| JPH06170548A (en) * | 1992-12-02 | 1994-06-21 | Yaskawa Electric Corp | Spot welding device |
| US5378868A (en) * | 1992-03-17 | 1995-01-03 | Burkhardt; James F. | Shut off check valve for a welding gun |
| JPH09155563A (en) * | 1995-11-30 | 1997-06-17 | Kanto Auto Works Ltd | Electrode for spot welding |
| US5821491A (en) * | 1996-05-24 | 1998-10-13 | Square D Company | Multiple single phase weld control systems coupled to a polyphase power source |
| JP2004114105A (en) * | 2002-09-26 | 2004-04-15 | Mazda Motor Corp | Device and method for joining metal members |
| KR20090038627A (en) * | 2007-10-16 | 2009-04-21 | 현대자동차주식회사 | Cooling system for spot welding gun |
| JP4319530B2 (en) * | 2003-12-02 | 2009-08-26 | ダイハツ工業株式会社 | Electrode tip cooling structure in spot welder |
-
2010
- 2010-04-23 CN CN 201010154698 patent/CN101875149A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3708845A (en) * | 1971-01-19 | 1973-01-09 | Continental Can Co | Forge roll for welding of thin-wall tubing |
| JPS60250884A (en) * | 1984-05-29 | 1985-12-11 | Takao Kinzoku Kogyo Kk | Welding device |
| JPS626781A (en) * | 1985-07-02 | 1987-01-13 | Daihatsu Motor Co Ltd | Spot welding machine |
| US5378868A (en) * | 1992-03-17 | 1995-01-03 | Burkhardt; James F. | Shut off check valve for a welding gun |
| JPH06170548A (en) * | 1992-12-02 | 1994-06-21 | Yaskawa Electric Corp | Spot welding device |
| JPH09155563A (en) * | 1995-11-30 | 1997-06-17 | Kanto Auto Works Ltd | Electrode for spot welding |
| US5821491A (en) * | 1996-05-24 | 1998-10-13 | Square D Company | Multiple single phase weld control systems coupled to a polyphase power source |
| JP2004114105A (en) * | 2002-09-26 | 2004-04-15 | Mazda Motor Corp | Device and method for joining metal members |
| JP4319530B2 (en) * | 2003-12-02 | 2009-08-26 | ダイハツ工業株式会社 | Electrode tip cooling structure in spot welder |
| KR20090038627A (en) * | 2007-10-16 | 2009-04-21 | 현대자동차주식회사 | Cooling system for spot welding gun |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103157995A (en) * | 2011-12-08 | 2013-06-19 | 苏州工业园区高登威科技有限公司 | System used for manufacturing clamp |
| CN113257568A (en) * | 2021-06-04 | 2021-08-13 | 西安正理机电科技有限公司 | Device and method for protecting insulator in tantalum capacitor welding |
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Application publication date: 20101103 |