CN104227213A - Automatic spot welding equipment - Google Patents
Automatic spot welding equipment Download PDFInfo
- Publication number
- CN104227213A CN104227213A CN201410495390.4A CN201410495390A CN104227213A CN 104227213 A CN104227213 A CN 104227213A CN 201410495390 A CN201410495390 A CN 201410495390A CN 104227213 A CN104227213 A CN 104227213A
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- China
- Prior art keywords
- welding
- frame
- spot welding
- automatic spot
- mounting base
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
- B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/36—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses automatic spot welding equipment with the advantages that the welding production efficiency is improved, and the work intensity is reduced. The automatic spot welding equipment comprises a welding machine body and an installing base, wherein a rotating device driven by a servo motor is vertically arranged on the installing base, an installing disc is detachably arranged at the upper part of the rotating device, at least four material support welding devices are uniformly distributed and arranged on the installing disc in the periphery direction, each material supporting welding device comprises a welding frame arranged on the installing disc, a lower electrode is arranged in the welding frame, a material jacking rod is movably arranged in the welding frame, the top of the material jacking rod is provided with a material jacking frame, the bottom of the material jacking rod is hinged to a crow bar, the middle part of the crow bar is hinged onto a bottom plate of the welding frame, the end part of the crow bar extends out of the welding frame, an inclined wedge block which is provided with the bottom surface downwards inclined in the rotating direction of a turntable and is used for downwards pressing a part, extending out of the welding frame, of the crow bar is arranged on the installing base, the top of the welding frame is provided with a corresponding lower electrode according to the position to be welded of the materials, and a detection device for detecting whether materials exist on the welding frame or not is arranged in a position, corresponding to the material support welding device in a former position of the welding station, on the installing base.
Description
Technical field
The present invention relates to a kind of automatic spot welding equipment.
Background technology
The principle that mash welder adopts two-sided two point overcurrent to weld, during work, two electrode pressurization workpiece make double layer of metal form certain contact resistance under the pressure of two electrodes, and welding current from an electrode stream through another electrode time two contact resistance points formed moment thermal weldings, and welding current moment flow to this electrode formation loop from another electrode along two workpiece, do not injure the internal structure of welded piece.
Traditional mash welder, by artificial loading, then controls welding arm and has moved down spot welding, then unloaded by the material welded, then repeat.Welding efficiency is low, workman's continuous operation, can not get having a rest, and labour intensity is large, and there is certain potential safety hazard.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of and improve welding production efficiency, reduction labour intensity automatic spot welding equipment.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of automatic spot welding equipment, comprise welding machine body and be arranged on the other mounting base of welding machine body, mounting base is vertically provided with by the whirligig of driven by servomotor, whirligig top is removably provided with mounting disc, in mounting disc, circumference is established and is evenly equipped with at least four retainer welders, retainer welder comprises the weldering frame be arranged in mounting disc, material lifting pin is movably equipped with in weldering frame, material lifting pin top is provided with liftout frame, material lifting pin bottom-hinged has ripping bar, be hinged on weldering frame base plate in the middle part of ripping bar, weldering frame is stretched out in ripping bar end, mounting base is provided with the bottom surface tapered wedges that for press down ripping bar stretch out weldering frame part downward-sloping along dial rotation direction, weldering top of the trellis is provided with corresponding bottom electrode according to material position to be welded, mounting base is provided with in the retainer welder corresponding position with the last position of welding post the checkout gear detecting and weld and whether frame has material.
As the preferred scheme of one, described whirligig comprises tubular shell and interior rotating shaft, interior rotating shaft is connected by the force-output shaft of shaft coupling with described servomotor, tubular housing inner wall is provided with the lead channel of annular, the liquid outlet groove of annular, tubular shell is provided with the inlet be communicated with lead channel and the liquid outlet be communicated with liquid outlet groove, interior rotating shaft is provided with the feed pathway be communicated with lead channel and the liquid outlet channel be communicated with liquid outlet groove, some liquor charging branch roads be connected with feed pathway are provided with in described mounting disc, and the fluid branch road to be connected with liquid outlet channel, liquor charging branch road and fluid branch road are connected with the two ends of the bottom electrode cooling circuit arranged in each retainer welder respectively.
As the preferred scheme of one, tubular housing inner wall is provided with the groove of supplying gas of annular, tubular shell is provided with the air taking port be communicated with groove of supplying gas, interior rotating shaft is provided with the plenum duct be communicated with groove of supplying gas, be provided with the some branch roads of supplying gas be communicated with plenum duct in mounting disc, supply gas branch road respectively with being connected for the air blowing pipeline blowing down welding slag of arranging in each retainer welder.
As the preferred scheme of one, described checkout gear comprises the elevating bracket by air cylinder driven, and elevating bracket is provided with transverse arm, and transverse arm is provided with the photoelectric sensor detecting and whether welding has material.
As the preferred scheme of one, described photoelectric sensor installation site can up-down adjustment relative to transverse arm, and described transverse arm installation site can regulate along transverse arm length direction relative to elevating bracket.
As the preferred scheme of one, the end that described ripping bar stretches out weldering frame is provided with vertical pinch roller, and described tapered wedges matches with vertical pinch roller.
As the preferred scheme of one, described mounting disc is provided with the projection as whirligig rotational angle measuring point, and described mounting base is provided with the signal trigger matched with bump position.
As the preferred scheme of one, be provided with some rollers bottom described mounting base, described mounting base is provided with at least three adjustable for height feets mounting base can propped up in the lump together with roller.
As the preferred scheme of one, in described mounting disc, circumference is evenly equipped with six retainer welders.
As the preferred scheme of one, described mounting base is provided with unloading manipulator in the retainer welder corresponding position with welding post the next position, unloading manipulator comprises the rotary cylinder be arranged in mounting disc, and the piston rod end of rotary cylinder is provided with hold-down arm, and hold-down arm is provided with electromagnet.
The invention has the beneficial effects as follows: adopt the mode that rotational automatic rotating disk frock is combined with vertical mash welder, operator is only needed to feed intake-blowing, equipment completes the operations such as automatic detection-automatic spot-automatic material taking, improve welding production efficiency, reduce labour intensity, and improve the security of welding production.
Owing to being provided with bottom electrode cooling circuit in each retainer welder, make the longer service life of bottom electrode.
Owing to being provided with air blowing pipeline in each retainer welder, after welding, welding slag can be blown down in time, guarantee workpiece quality.
Owing to being provided with photoelectric sensor, can prevent retainer welder not having material welding machine body still carry out welding operation.
The end of stretching out weldering frame due to ripping bar is provided with vertical pinch roller, and described tapered wedges matches with vertical pinch roller, makes tapered wedges press down ripping bar more smooth and easy.
Because photoelectric sensor installation site can up-down adjustment relative to transverse arm, described transverse arm installation site can regulate along transverse arm length direction relative to elevating bracket, is convenient to according to different workpieces adjustment photoelectric sensor position.
Owing to being provided with some rollers bottom mounting base, can adjust according to the position of the size of mounting disc to mounting base, due to mounting base being provided with feet, mounting base can be propped up after adjusting by position, prevents from producing slippage in work.
Described mounting disc is provided with the projection as whirligig rotational angle measuring point, and described mounting base is provided with the signal trigger matched with bump position, can prevent the cumulative errors of rotating, make welding position accurate.
Because circumference in mounting disc is evenly equipped with six retainer welders, make workman can once to several vacant retainer welder material loading, material loading extends interval time, reduces labour intensity.
Due to mounting base being provided with unloading manipulator, automatic discharging in the retainer welder corresponding position with welding post the next position, save manpower.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention.
Fig. 2 is the sectional structure schematic diagram of whirligig in the present invention.
Fig. 3 is the structural representation of retainer welder in the present invention.
Fig. 4 is A portion enlarged diagram in Fig. 1.
Fig. 5 is B portion enlarged diagram in Fig. 1.
In Fig. 1 to Fig. 5: 1. welding machine body, 2. mounting base, 3. roller, 4. feet, 5. whirligig, 51. tubular shells, 511. lead channel, 512. liquid outlet groove, 513. supply gas groove, rotating shaft in 52., 521. feed pathway, 522. liquid outlet channel, 523. plenum duct, 6. mounting disc, 7. retainer welder, 71. weldering framves, 72. bottom electrodes, 73. material lifting pins, 74. liftout framves, 75. ripping bars, 76. vertical pinch rollers, 8. tapered wedges, 9. shaft coupling, 10. checkout gear, 101. cylinder, 102. elevating bracket, 103. transverse arm, 104. photoelectric sensor, 11. unloading manipulators, 111. rotary cylinder, 112. hold-down arm, 113. electromagnet.
Detailed description of the invention
Below in conjunction with accompanying drawing, describe specific embodiment of the invention scheme in detail.
As Figure 1-5, a kind of automatic spot welding equipment, comprises welding machine body 1 and is arranged on the other mounting base 2 of welding machine body 1, be also provided with side direction and lock (not shown) between pedestal 2 and stationary welding machine body 1, to guarantee to connect non-displacement.Be provided with some rollers 3 bottom mounting base 2, described mounting base 2 is provided with four adjustable for height feets 4 mounting base 2 can propped up in the lump together with roller 3.
Mounting base 2 is vertically provided with the whirligig 5 driven by servomotor (not shown), whirligig 5 top is removably provided with mounting disc 6, in mounting disc 6, circumference is established and is evenly equipped with six retainer welders 7, retainer welder 7 comprises the weldering frame 71 be arranged in mounting disc 6, material lifting pin 73 is movably equipped with in weldering frame 71, material lifting pin 73 top is provided with liftout frame 74, material lifting pin 73 bottom-hinged has ripping bar 75, be hinged on weldering frame 71 base plate in the middle part of ripping bar, weldering frame 71 is stretched out in ripping bar 75 end, mounting base 2 is provided with the bottom surface tapered wedges 8 that for press down ripping bar stretch out weldering frame 71 part downward-sloping along dial rotation direction, the end that described ripping bar 75 stretches out weldering frame 71 is provided with vertical pinch roller 76, described tapered wedges 8 matches with vertical pinch roller 76.Weldering frame 71 top is provided with corresponding bottom electrode 72 according to material position to be welded.
Described whirligig 5 comprises tubular shell 51 and interior rotating shaft 52, interior rotating shaft 52 is connected by the force-output shaft of shaft coupling 9 with described servomotor, tubular shell 51 inwall is provided with the lead channel 511 of annular, the liquid outlet groove 512 of annular, tubular shell 51 is provided with the inlet be communicated with lead channel 511 and the liquid outlet be communicated with liquid outlet groove 512, interior rotating shaft 52 is provided with the feed pathway 521 be communicated with lead channel 511 and the liquid outlet channel 522 be communicated with liquid outlet groove 512, some liquor charging branch roads be connected with feed pathway 521 are provided with in described mounting disc 6, and the fluid branch road to be connected with liquid outlet channel 522, liquor charging branch road and fluid branch road are connected with the two ends of bottom electrode 72 cooling circuit arranged in each retainer welder 7 respectively.
Tubular shell 51 inwall is provided with the groove 513 of supplying gas of annular, tubular shell 51 is provided with the air taking port be communicated with groove 513 of supplying gas, interior rotating shaft 52 is provided with the plenum duct 523 be communicated with groove 513 of supplying gas, be provided with the some branch roads of supplying gas be communicated with plenum duct 523 in mounting disc 6, supply gas branch road respectively with being connected for the air blowing pipeline blowing down welding slag of arranging in each retainer welder 7.
Mounting base 2 is provided with in retainer welder 7 corresponding position with the last position of welding post the checkout gear 10 detecting and weld and whether frame 71 has material.Checkout gear 10 comprises the elevating bracket 102 driven by cylinder 101, and elevating bracket 102 is provided with transverse arm 103, and transverse arm 103 is provided with the photoelectric sensor 104 detecting and whether welding has material.Photoelectric sensor 104 installation site can up-down adjustment relative to transverse arm 103, and described transverse arm 103 installation site can regulate along transverse arm 103 length direction relative to elevating bracket 102.
Mounting disc 6 is provided with the projection (not shown) as whirligig 5 rotational angle measuring point, and described mounting base 2 is provided with the signal trigger (not shown) matched with bump position.
Described mounting base 2 is provided with unloading manipulator 11 in retainer welder 7 corresponding position with welding post the next position, unloading manipulator 11 comprises the rotary cylinder 111 be arranged in mounting disc 6, the piston rod end of rotary cylinder 111 is provided with hold-down arm 112, and hold-down arm 112 is provided with electromagnet 113.
During work, operating personnel put material, starting device by each retainer welder 7 except sentencing except unloading station, detect station, welding post, unloading station start working simultaneously.
The elevating bracket 102 of checkout gear 10 moves down, photoelectric sensor 104 detect whether have material and transmission signal to control centre, after having detected, checkout gear 10 return.The rotation interval time of servomotor and rotational angle are controlled by control centre, as long as photoelectric sensor 104 detects that material transmission signal is to control centre, then after interarrival time, control centre just can control rotating shaft 52 in driven by servomotor whirligig 5 and drive mounting disc 6 to rotate a station.
Welding body is controlled to weld the position to be welded on material by control centre.During multi-point welding, whirligig 5 is driven to rotate respective angles, so that the welding operation of welding machine body according to setting by servomotor (not shown).
On unloading station, tapered wedges 8 presses down ripping bar 75 workpiece is ejected by the liftout frame 74 on material lifting pin 73, and is taken away by unloading manipulator 11.
So be cycled to repeat welding job, because operating personnel only need place material, workload alleviates greatly, and welding efficiency is several times as much as human weld.
The above embodiments are the principle of illustrative the invention and effect thereof only, and the embodiment that part is used, but not for limiting the present invention; It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. an automatic spot welding equipment, comprise welding machine body and be arranged on the other mounting base of welding machine body, it is characterized in that: described mounting base is vertically provided with by the whirligig of driven by servomotor, whirligig top is removably provided with mounting disc, in mounting disc, circumference is established and is evenly equipped with at least four retainer welders, retainer welder comprises the weldering frame be arranged in mounting disc, material lifting pin is movably equipped with in weldering frame, material lifting pin top is provided with liftout frame, material lifting pin bottom-hinged has ripping bar, be hinged on weldering frame base plate in the middle part of ripping bar, weldering frame is stretched out in ripping bar end, mounting base is provided with the bottom surface tapered wedges that for press down ripping bar stretch out weldering frame part downward-sloping along dial rotation direction, weldering top of the trellis is provided with corresponding bottom electrode according to material position to be welded, mounting base is provided with in the retainer welder corresponding position with the last position of welding post the checkout gear detecting and weld and whether frame has material.
2. a kind of automatic spot welding equipment as claimed in claim 1, it is characterized in that: described whirligig comprises tubular shell and interior rotating shaft, interior rotating shaft is connected by the force-output shaft of shaft coupling with described servomotor, tubular housing inner wall is provided with the lead channel of annular, the liquid outlet groove of annular, tubular shell is provided with the inlet be communicated with lead channel and the liquid outlet be communicated with liquid outlet groove, interior rotating shaft is provided with the feed pathway be communicated with lead channel and the liquid outlet channel be communicated with liquid outlet groove, some liquor charging branch roads be connected with feed pathway are provided with in described mounting disc, and the fluid branch road to be connected with liquid outlet channel, liquor charging branch road and fluid branch road are connected with the two ends of the bottom electrode cooling circuit arranged in each retainer welder respectively.
3. a kind of automatic spot welding equipment as claimed in claim 2, it is characterized in that: tubular housing inner wall is provided with the groove of supplying gas of annular, tubular shell is provided with the air taking port be communicated with groove of supplying gas, interior rotating shaft is provided with the plenum duct be communicated with groove of supplying gas, be provided with the some branch roads of supplying gas be communicated with plenum duct in mounting disc, supply gas branch road respectively with being connected for the air blowing pipeline blowing down welding slag of arranging in each retainer welder.
4. a kind of automatic spot welding equipment according to any one of claim 1-3, is characterized in that: described checkout gear comprises the elevating bracket by air cylinder driven, and elevating bracket is provided with transverse arm, and transverse arm is provided with the photoelectric sensor detecting and whether welding has material.
5. a kind of automatic spot welding equipment as claimed in claim 4, is characterized in that: described photoelectric sensor installation site can up-down adjustment relative to transverse arm, and described transverse arm installation site can regulate along transverse arm length direction relative to elevating bracket.
6. a kind of automatic spot welding equipment according to any one of claim 1-3, is characterized in that: the end that described ripping bar stretches out weldering frame is provided with vertical pinch roller, and described tapered wedges matches with vertical pinch roller.
7. a kind of automatic spot welding equipment according to any one of claim 1-3, is characterized in that: described mounting disc is provided with the projection as whirligig rotational angle measuring point, and described mounting base is provided with the signal trigger matched with bump position.
8. a kind of automatic spot welding equipment according to any one of claim 1-3, it is characterized in that: be provided with some rollers bottom described mounting base, described mounting base is provided with at least three adjustable for height feets mounting base can propped up in the lump together with roller.
9. a kind of automatic spot welding equipment according to any one of claim 1-3, is characterized in that: in described mounting disc, circumference is evenly equipped with six retainer welders.
10. a kind of automatic spot welding equipment according to any one of claim 1-3, it is characterized in that: described mounting base is provided with unloading manipulator in the retainer welder corresponding position with welding post the next position, unloading manipulator comprises the rotary cylinder be arranged in mounting disc, the piston rod end of rotary cylinder is provided with hold-down arm, and hold-down arm is provided with electromagnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410495390.4A CN104227213B (en) | 2014-09-25 | 2014-09-25 | A kind of automatic spot welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410495390.4A CN104227213B (en) | 2014-09-25 | 2014-09-25 | A kind of automatic spot welding equipment |
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| CN104227213A true CN104227213A (en) | 2014-12-24 |
| CN104227213B CN104227213B (en) | 2016-04-27 |
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| CN201410495390.4A Active CN104227213B (en) | 2014-09-25 | 2014-09-25 | A kind of automatic spot welding equipment |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499777A (en) * | 2016-01-06 | 2016-04-20 | 蚌埠市瑞泰汽配制造有限公司 | Convex spot welding device for filter |
| CN105562914A (en) * | 2016-03-14 | 2016-05-11 | 西迪技术股份有限公司 | Spot welding machine |
| CN105689877A (en) * | 2016-04-01 | 2016-06-22 | 深圳大学 | Spot welding manipulator of gas burner |
| CN106001892A (en) * | 2016-07-12 | 2016-10-12 | 广东金达五金制品有限公司 | Butt-joint feeding disc for nail clipper clamping arms |
| CN106363298A (en) * | 2016-11-24 | 2017-02-01 | 温州职业技术学院 | Automatic laser welding device for fixing legs of motor shell |
| CN107214408A (en) * | 2017-07-27 | 2017-09-29 | 宿迁威生金属制品厂 | Double switches welding tooling |
| CN107717196A (en) * | 2016-08-10 | 2018-02-23 | 广州恒申智能化设备有限公司 | Automatic soldering device for auto parts and components |
| CN108296677A (en) * | 2018-01-24 | 2018-07-20 | 江苏理工学院 | A kind of flabellum shape welder |
| CN108970796A (en) * | 2018-09-17 | 2018-12-11 | 许昌市建安区东和畜牧养殖专业合作社 | A kind of crusher for straw feeding device |
| CN109277661A (en) * | 2018-10-24 | 2019-01-29 | 广汽零部件有限公司 | A kind of front and back sides welder |
| CN111037077A (en) * | 2019-12-18 | 2020-04-21 | 绍兴东方电热科技有限公司 | Automatic spot welding center spacer equipment |
| CN111468813A (en) * | 2020-04-28 | 2020-07-31 | 何广远 | Automatic spot welding equipment for clothes hanger |
| CN112372128A (en) * | 2020-11-03 | 2021-02-19 | 镇江骁瑞智能建材机械制造有限公司 | Method for connecting pile end plate and pile hoop |
| CN115319252A (en) * | 2022-07-21 | 2022-11-11 | 智汇轩田智能系统(杭州)有限公司 | Resistance welding equipment |
| CN109277661B (en) * | 2018-10-24 | 2024-06-07 | 广汽零部件有限公司 | Front and back welding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105499777A (en) * | 2016-01-06 | 2016-04-20 | 蚌埠市瑞泰汽配制造有限公司 | Convex spot welding device for filter |
| CN105562914A (en) * | 2016-03-14 | 2016-05-11 | 西迪技术股份有限公司 | Spot welding machine |
| CN105689877A (en) * | 2016-04-01 | 2016-06-22 | 深圳大学 | Spot welding manipulator of gas burner |
| CN105689877B (en) * | 2016-04-01 | 2019-05-21 | 深圳大学 | A kind of spot welding manipulator of gas burner |
| CN106001892A (en) * | 2016-07-12 | 2016-10-12 | 广东金达五金制品有限公司 | Butt-joint feeding disc for nail clipper clamping arms |
| CN107717196A (en) * | 2016-08-10 | 2018-02-23 | 广州恒申智能化设备有限公司 | Automatic soldering device for auto parts and components |
| CN106363298A (en) * | 2016-11-24 | 2017-02-01 | 温州职业技术学院 | Automatic laser welding device for fixing legs of motor shell |
| CN106363298B (en) * | 2016-11-24 | 2018-01-09 | 温州职业技术学院 | A kind of automatic laser welder of electric machine casing fixed feet |
| CN107214408A (en) * | 2017-07-27 | 2017-09-29 | 宿迁威生金属制品厂 | Double switches welding tooling |
| CN108296677B (en) * | 2018-01-24 | 2019-11-12 | 江苏理工学院 | A kind of flabellum shape welder |
| CN108296677A (en) * | 2018-01-24 | 2018-07-20 | 江苏理工学院 | A kind of flabellum shape welder |
| CN108970796A (en) * | 2018-09-17 | 2018-12-11 | 许昌市建安区东和畜牧养殖专业合作社 | A kind of crusher for straw feeding device |
| CN109277661A (en) * | 2018-10-24 | 2019-01-29 | 广汽零部件有限公司 | A kind of front and back sides welder |
| CN109277661B (en) * | 2018-10-24 | 2024-06-07 | 广汽零部件有限公司 | Front and back welding device |
| CN111037077A (en) * | 2019-12-18 | 2020-04-21 | 绍兴东方电热科技有限公司 | Automatic spot welding center spacer equipment |
| CN111468813A (en) * | 2020-04-28 | 2020-07-31 | 何广远 | Automatic spot welding equipment for clothes hanger |
| CN111468813B (en) * | 2020-04-28 | 2022-05-17 | 何广远 | Automatic spot welding equipment for clothes hanger |
| CN112372128A (en) * | 2020-11-03 | 2021-02-19 | 镇江骁瑞智能建材机械制造有限公司 | Method for connecting pile end plate and pile hoop |
| CN112372128B (en) * | 2020-11-03 | 2022-05-20 | 镇江骁瑞智能建材机械制造有限公司 | Connection method for pile end plate and pile hoop |
| CN115319252A (en) * | 2022-07-21 | 2022-11-11 | 智汇轩田智能系统(杭州)有限公司 | Resistance welding equipment |
Also Published As
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|---|---|
| CN104227213B (en) | 2016-04-27 |
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Address after: 215600 Suzhou Golden Road auto parts Limited by Share Ltd, 30 Changxin Road, Zhangjiagang Economic Development Zone, Jiangsu, China Applicant after: Suzhou Jinhongshun Auto Parts Co., Ltd. Address before: 215600 Suzhou Golden Eagle Auto Parts Co., Ltd., 30 Changxin Road, Zhangjiagang Economic Development Zone, Jiangsu, Suzhou Applicant before: Suzhou Jinhongshun Auto Parts Co., Ltd. |
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