CN111331238A - Precise pressure welding device adopting pressure sensor - Google Patents
Precise pressure welding device adopting pressure sensor Download PDFInfo
- Publication number
- CN111331238A CN111331238A CN202010226226.9A CN202010226226A CN111331238A CN 111331238 A CN111331238 A CN 111331238A CN 202010226226 A CN202010226226 A CN 202010226226A CN 111331238 A CN111331238 A CN 111331238A
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- pressure sensor
- pressure
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- 238000003466 welding Methods 0.000 title claims abstract description 177
- 230000005540 biological transmission Effects 0.000 claims abstract description 27
- 239000000725 suspension Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/02—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press ; Diffusion bonding
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
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- Engineering & Computer Science (AREA)
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The invention relates to a precision pressure welding device adopting a pressure sensor, which comprises: a vertical plate; the driving mechanism is arranged on the vertical plate; the welding chuck can fix the round welding head and/or the sheet welding head, a pressure transmission shaft is arranged at the upper part of the welding chuck, a pressure sensor is arranged above the pressure transmission shaft, and the pressure sensor and the pressure transmission shaft are on the same axis and are in linkage connection with the driving mechanism to finish precision welding; the adjustable mechanism is detachably connected to the side part of the vertical plate, can be vertically or horizontally installed and drives the vertical plate to move up and down, left and right so as to adjust the welding position. The welding chuck can accurately control the pressure and the position of the welding head, effectively prevent the welding head from breaking lines on a fine workpiece, meet the requirement of multi-row multi-head welding, and has better universality.
Description
Technical Field
The invention relates to a welding device, in particular to a precise pressure welding device adopting a pressure sensor.
Background
The applicant has long been engaged in the development of resistance micro-welding apparatus and is therefore familiar with various implementations of resistance welding apparatus. In general, resistance welding equipment is driven by various welding power supplies, and has a relatively complex structure and a space for precise precision.
The pressure sensor has the advantages of accurate detection of acting force, simple structure and the like, and is widely applied to detection of various acting forces and measurement of weight. In the field of resistance micro welding equipment, pressure sensors are generally applied to a spot welding machine head in a manner of setting electrode force, and the pressure refers to acting force of an electrode on a weldment.
However, the existing welding devices generally have the following drawbacks:
1. the detection force is not accurate enough, so that the pressure and the position of the welding head cannot be accurately controlled, and the welding head breaks a line on the fine workpiece;
2. the welding chuck has poor universality and can only fix a single welding head;
3. the welding chuck can be connected with the electrode cable by adding a connecting piece, so that the structure is not simplified enough, and a space for refinement is provided;
4. the requirement of multi-row multi-head welding cannot be met.
Therefore, there is a need to design a precision pressure welding device using a pressure sensor to solve the disadvantages of the prior art.
Disclosure of Invention
The invention aims to provide a precise pressure welding device adopting a pressure sensor, which can precisely control the pressure and the position of a welding head, effectively avoid the welding head from breaking a line on a fine workpiece, not only can meet the requirement of multi-row multi-head welding, but also has better universality, and meanwhile, a welding chuck can be directly connected with an electrode cable, so that the structure is simplified.
The technical scheme adopted by the invention is as follows:
a precision pressure welding apparatus employing a pressure sensor, comprising: a vertical plate; the driving mechanism is arranged on the vertical plate; the welding chuck can fix the round welding head and/or the sheet welding head, a pressure transmission shaft is arranged at the upper part of the welding chuck, a pressure sensor is arranged above the pressure transmission shaft, and the pressure sensor and the pressure transmission shaft are on the same axis and are in linkage connection with the driving mechanism to finish precision welding; the adjustable mechanism is detachably connected to the side part of the vertical plate, can be vertically or horizontally installed and drives the vertical plate to move up and down, left and right so as to adjust the welding position.
Preferably, the welding chuck comprises a first welding head fixing piece and a second welding head fixing piece which are arranged at an interval, welding head accommodating cavities capable of accommodating circular welding heads are arranged on the inner sides of the first welding head fixing piece and the second welding head fixing piece, the upper parts of the first welding head fixing piece and the second welding head fixing piece are detachably connected with the fixing pieces, and the fixing pieces can be adjusted and connected 360 degrees around the axis of the pressure transmission shaft.
Preferably, the first welding head fixing piece and the second welding head fixing piece are both in an L shape, and welding head fixing parts for fixing the sheet-shaped welding heads are arranged on the side parts of the first welding head fixing piece and the second welding head fixing piece.
Preferably, the first welding head fixing part and the second welding head fixing part are symmetrical in shape, and the second welding head fixing part can be movably used for clamping a circular welding head or adjusting the installation distance of a sheet welding head.
Preferably, a first pin hole is formed in the inner side of the first welding head fixing piece, a second pin hole corresponding to the first pin hole is formed in the inner side of the second welding head fixing piece, and the first pin hole and the second pin hole are connected through a connecting piece.
Preferably, the first welding head fixing part is provided with a first fixing hole which penetrates through the first welding head fixing part in the transverse direction, the second welding head fixing part is provided with a second fixing hole which corresponds to the first fixing hole, and the first fixing hole and the second fixing hole are connected through a movable fastener.
Preferably, the movable fastener comprises a bolt, a bolt sleeve is arranged on the bolt at a relative interval, and an elastic part is sleeved on the bolt sleeve.
Preferably, the adjustable mechanism comprises a vertical adjusting mechanism, the vertical adjusting mechanism comprises a vertical base, and a vertical transverse moving mechanism and a vertical longitudinal moving mechanism are respectively arranged on the vertical base.
Preferably, the adjustable mechanism comprises a horizontal adjusting mechanism, the horizontal adjusting mechanism comprises a horizontal base, a horizontal transverse moving mechanism and a horizontal longitudinal moving mechanism are respectively arranged on the horizontal base, a horizontal adjusting seat is arranged on the horizontal transverse moving mechanism, and the horizontal adjusting seat is fixedly connected with the vertical plate.
Preferably, actuating mechanism includes the guide rail of vertically arranging along the riser inboard, the guide rail is put on the shelf and is equipped with guide rail guide slot complex top shoe and lower slider, the lateral part fixedly connected with top support board of top shoe, the lateral part fixedly connected with bottom suspension fagging of lower slider, pressure sensor is located between top support board and the bottom suspension fagging and respectively with top support board and bottom suspension fagging are connected, all be equipped with the guiding hole on top support board and the bottom suspension fagging, be equipped with the transmission shaft on the guiding hole, the transmission shaft passes through the shaft coupling and erects in the motor of riser upper end is connected.
The invention has the beneficial effects that:
(1) by arranging the pressure sensor, when the driving mechanism drives the welding chuck to move downwards and the pressure reaches a preset pressure value, the driving mechanism immediately stops driving the welding chuck to continue to move downwards, so that the welding chuck stops at a certain position to complete the welding action, the pressure and the position of the welding head can be accurately controlled, and the welding head cannot break a line on a workpiece;
(2) the welding chucks can be fixedly connected in a rotating mode at 360 degrees, when multiple rows of multiple heads are needed to be welded, the welding chucks only need to be arranged and distributed in a mirror image mode, the welding requirements of the multiple rows of multiple heads can be met, and interference among the welding chucks cannot be caused;
(3) the welding head fixing piece is arranged in an L shape, an electrode cable can be directly connected, the operation is stable, and compared with the prior art, the structure is more simplified;
(4) the welding chuck can fix the circular welding head and the sheet welding head, the welding chuck does not need to be replaced when different welding requirements are met, the welding head fixing piece can be movably adjusted to adjust the installation distance of the welding head, and the welding head fixing piece has good universality.
Drawings
FIG. 1 is a schematic perspective view of the vertical mount of the present invention;
FIG. 2 is a schematic side view of the vertical mount of the present invention;
FIG. 3 is one of the exploded perspective views of the weld cartridge of the present invention;
FIG. 4 is a second exploded perspective view of the welding collet of the present invention;
FIG. 5 is a side view of the welding collet of the present invention;
FIG. 6 is a schematic side view of the dual row welding collet of the present invention;
FIG. 7 is a schematic perspective view of the welding collet of the present invention;
FIG. 8 is a schematic perspective view of the horizontal mount of the present invention;
fig. 9 is a schematic perspective view of the connection between the horizontal adjusting mechanism and the horizontal adjusting seat.
The reference numbers illustrate: a vertical plate 1; a drive mechanism 2; a guide rail 21; an upper slider 22; a lower slider 23; an upper support plate 24; a lower support plate 25; a guide hole 26; a transmission shaft 27; a coupling 28; a motor 29; a welding chuck 3; a first horn fixing member 31; a first pin hole 311; a first fixing hole 312; a second horn mount 32; the second pin hole 321; a second fixing hole 322; a bonding tool accommodating chamber 33; a fixing member 34; a relief hole 341; a bonding tool fixing portion 35; a first bonding tool fixing hole 351; second horn securing hole 352; a connecting member 36; a movable fastener 37; a bolt 371; a bolt sleeve 372; an elastic member 373; a pressure transmission shaft 4; a pressure sensor 5; an adjustable mechanism 6; a vertical adjustment mechanism 61; a vertical base 611; a vertical lateral movement mechanism 612; a vertical longitudinal movement mechanism 613; a horizontal adjustment mechanism 62; a horizontal base 621; a horizontal transverse moving mechanism 622; a horizontal longitudinal moving mechanism 623; a horizontal adjustment seat 624; an L-shaped riser 6241; a lateral adjustment aperture 6242; a longitudinal adjustment aperture 6243; a longitudinal drive adjustment mechanism 6244; a welding head 7.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" or "a plurality" means two or more unless otherwise specified.
As shown in fig. 1 and 2, a precision pressure welding apparatus using a pressure sensor according to a preferred embodiment of the present invention includes a vertical plate 1, a driving mechanism 2, a welding chuck 3, a pressure transmission shaft 4, a pressure sensor 5, and an adjustable mechanism 6.
The driving mechanism 2 is erected on the vertical plate 1, the welding chuck 3 can fix a circular welding head and/or a sheet welding head, a pressure transmission shaft 4 is arranged at the upper part of the welding chuck 3, a pressure sensor 5 is arranged above the pressure transmission shaft 4, the pressure sensor 5 and the pressure transmission shaft 4 are on the same axis and are in linkage connection with the driving mechanism 2 to complete precise welding, the adjustable mechanism 6 is detachably connected to the side part of the vertical plate 1, and the adjustable mechanism 6 can be vertically or horizontally installed and drives the vertical plate 1 to move up and down and left and right to adjust the welding position. In the invention, by designing the pressure sensor 5 and enabling the pressure sensor 5 and the pressure transmission shaft 4 to be on the same axis, when the preset pressure is a certain value, the driving mechanism 2 drives the welding chuck 3 to move downwards, and when the force reaches the preset force, the driving mechanism 2 stops driving the welding chuck 3 to continue to move downwards, so that the welding chuck 3 stops at a certain position to complete the welding action, thus the pressure and the position of the welding head can be accurately controlled, and the welding head 7 cannot break the line on the workpiece.
As shown in fig. 3 to 7, in the present invention, the welding chuck 3 is made of a conductive material, such as metal. The welding chuck 3 comprises a first welding head fixing piece 31 and a second welding head fixing piece 32 which are arranged at an interval, a welding head accommodating cavity 33 which can accommodate a circular welding head is arranged on the inner side of the first welding head fixing piece 31 and the inner side of the second welding head fixing piece 32, the upper parts of the first welding head fixing piece 31 and the second welding head fixing piece 32 are detachably connected with a fixing piece 34, and the fixing piece 34 can be adjusted and connected around the axis of the pressure transmission shaft 4 by 360 degrees. The middle part of mounting 34 has the hole 341 of stepping down that matches with pressure transmission shaft 4, the hole 341 of stepping down one side extend and run through to the outer fringe of mounting 34, then will through screw etc. at the open end mounting 34 and pressure transmission shaft 4 lock, when needs adjustment installation angle, loosen the screw, then rotate certain angle with mounting 34 can.
As shown in figure 6, through the arrangement, the welding chucks 3 can be fixedly connected in a 360-degree rotating mode, when multiple rows of multiple heads are needed for welding, the welding chucks 3 only need to be arranged and distributed in a mirror image mode, the requirements for welding multiple rows of multiple heads can be met, and interference cannot be caused between the welding chucks.
In the present invention, the first horn fixing member 31 and the second horn fixing member 32 are both in an "L" shape, and when connecting the electrode cable, a sufficient space is provided at one side portion of the first horn fixing member 31 and the second horn fixing member 32 to fix the electrode cable, and there is no need to add other indirect components for connection.
The first and second horn holders 31 and 32 have side portions provided with horn-fixing portions 35 for fixing the sheet-shaped horn. The horn fixing portion 35 includes a first horn fixing hole 351 provided in the first horn fixing member 31 and a second horn fixing hole 352 provided in the second horn fixing member 32.
In the invention, the welding chuck 3 can fix both a circular welding head and a sheet welding head, and both can meet the requirements of multi-row and multi-head welding as shown in fig. 6, and the welding chuck 3 does not need to be replaced when different welding requirements are met, so that the welding chuck has good universality.
The first welding head fixing piece 31 and the second welding head fixing piece 32 are symmetrical in shape, and the second welding head fixing piece 32 can be movably used for clamping a circular welding head or adjusting the installation distance of a sheet welding head so as to meet the requirements of clamping welding heads of different models.
In order to prevent unstable situations such as loosening of the electrode tip caused by splayed structure phenomena occurring when the upper portions of the first electrode tip holder 31 and the second electrode tip holder 32 are fixed to the lower portions thereof by screws, etc., a first pin hole 311 is formed in the inner side of the first electrode tip holder 31, a second pin hole 321 corresponding to the first pin hole 311 is formed in the inner side of the second electrode tip holder 32, and the first pin hole 311 and the second pin hole 321 are connected by a connector 36. This is effectively avoided by such an arrangement, and in some embodiments, the connecting member 36 may be a metallic material with magnetic properties.
The first welding head fixing part 31 is provided with a first fixing hole 312 which transversely penetrates through the first welding head fixing part, the second welding head fixing part 32 is provided with a second fixing hole 322 which corresponds to the first fixing hole 312, and the first fixing hole 312 and the second fixing hole 322 are connected through a movable fastener 37. The first fixing hole 312 and the second fixing hole 322 are located below the connecting member 36, which can ensure the stability of the connection between the two and make the overall structure more compact.
The movable fastener 37 comprises a bolt 371, a bolt sleeve 372 is arranged on the bolt 371 at intervals, and an elastic member 373 is sleeved on the bolt sleeve 372. By such a design, the second horn holder 32 may be adjusted in mounting distance to clamp the horn.
In the first embodiment of the present invention, as shown in fig. 1, the adjustable mechanism 6 includes a vertical adjusting mechanism 61, the vertical adjusting mechanism 61 includes a vertical base 611, the vertical base 611 is provided with a vertical transverse moving mechanism 612 and a vertical longitudinal moving mechanism 613, respectively, and the vertical transverse moving mechanism 612 is erected on the vertical longitudinal moving mechanism 613. In the present invention, the vertical transverse moving mechanism 612 and the vertical longitudinal moving mechanism 613 are the structures of the prior art, and the structural components thereof are not described in detail herein.
In the second embodiment of the present invention, as shown in fig. 8, the adjustable mechanism 6 includes a horizontal adjusting mechanism 62, the horizontal adjusting mechanism 62 includes a horizontal base 621, the horizontal base 621 is provided with a horizontal transverse moving mechanism 622 and a horizontal longitudinal moving mechanism 623 respectively, the horizontal transverse moving mechanism 622 is erected on the horizontal longitudinal moving mechanism 623, the horizontal transverse moving mechanism 622 is erected with a horizontal adjusting seat 624, and the horizontal adjusting seat 624 is fixedly connected to the vertical plate 1. In the present invention, the horizontal transverse moving mechanism 622 and the horizontal longitudinal moving mechanism 623 are the structures of the prior art, and the structural components thereof are not described herein.
As shown in fig. 9, the horizontal adjusting seat 624 includes an L-shaped vertical plate 6241, a lateral adjusting hole 6242 is provided in a horizontal plate direction of the L-shaped vertical plate 6241, a longitudinal adjusting hole 6243 is provided in a longitudinal plate direction of the L-shaped vertical plate 6241, and a longitudinal driving adjusting mechanism 6244 is connected to a lateral portion of the longitudinal plate of the L-shaped vertical plate 6241. The horizontal adjusting seat 624 enables the horizontal adjusting mechanism 62 to drive the vertical plate 1 to move up and down in the vertical direction.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A precision pressure welding apparatus using a pressure sensor, comprising:
a vertical plate;
the driving mechanism is arranged on the vertical plate;
the welding chuck can fix the round welding head and/or the sheet welding head, a pressure transmission shaft is arranged at the upper part of the welding chuck, a pressure sensor is arranged above the pressure transmission shaft, and the pressure sensor and the pressure transmission shaft are on the same axis and are in linkage connection with the driving mechanism to finish precision welding;
the adjustable mechanism is detachably connected to the side part of the vertical plate, can be vertically or horizontally installed and drives the vertical plate to move up and down, left and right so as to adjust the welding position.
2. A precision pressure welding apparatus using a pressure sensor according to claim 1, wherein: the welding chuck comprises a first welding head fixing piece and a second welding head fixing piece which are arranged at an interval, welding head accommodating cavities capable of accommodating circular welding heads are arranged on the inner sides of the first welding head fixing piece and the second welding head fixing piece, the upper portions of the first welding head fixing piece and the second welding head fixing piece are detachably connected with the fixing pieces, and the fixing pieces can wind the axis of the pressure transmission shaft for 360-degree adjustment and connection.
3. A precision pressure welding apparatus using a pressure sensor according to claim 2, wherein: the first welding head fixing piece and the second welding head fixing piece are both L-shaped, and welding head fixing portions for fixing the sheet welding heads are arranged on the side portions of the first welding head fixing piece and the second welding head fixing piece.
4. A precision pressure welding apparatus using a pressure sensor according to claim 2 or 3, wherein: the first welding head fixing piece and the second welding head fixing piece are symmetrical in shape, and the second welding head fixing piece can be movably used for clamping the circular welding head or adjusting the installation distance of the sheet welding head.
5. A precision pressure welding apparatus using a pressure sensor according to claim 4, wherein: the inner side of the first welding head fixing piece is provided with a first pin hole, the inner side of the second welding head fixing piece is provided with a second pin hole corresponding to the first pin hole, and the first pin hole and the second pin hole are connected through a connecting piece.
6. A precision pressure welding apparatus using a pressure sensor according to claim 5, wherein: the first welding head fixing piece is provided with a first fixing hole which penetrates through the first welding head fixing piece in the transverse direction, the second welding head fixing piece is provided with a second fixing hole which corresponds to the first fixing hole, and the first fixing hole and the second fixing hole are connected through a movable fastener.
7. A precision pressure welding apparatus using a pressure sensor according to claim 6, wherein: the movable fastener comprises a bolt, bolt sleeves are arranged on the bolt at intervals, and an elastic part is sleeved on the bolt sleeves.
8. A precision pressure welding apparatus using a pressure sensor according to claim 1, wherein: the adjustable mechanism comprises a vertical adjusting mechanism, the vertical adjusting mechanism comprises a vertical base, and a vertical transverse moving mechanism and a vertical longitudinal moving mechanism are respectively arranged on the vertical base.
9. A precision pressure welding apparatus using a pressure sensor according to claim 1, wherein: the adjustable mechanism comprises a horizontal adjusting mechanism, the horizontal adjusting mechanism comprises a horizontal base, a horizontal transverse moving mechanism and a horizontal longitudinal moving mechanism are respectively arranged on the horizontal base, a horizontal adjusting seat is erected on the horizontal transverse moving mechanism, and a horizontal adjusting seat frame is fixedly connected with the vertical plate.
10. A precision pressure welding apparatus using a pressure sensor according to claim 1, wherein: actuating mechanism includes the guide rail of vertically arranging along the riser inboard, the guide rail is put on the shelf be equipped with guide rail guide slot complex slider and lower slider, backup pad on the lateral part fixedly connected with of slider, the lateral part fixedly connected with bottom suspension fagging of slider down, pressure sensor is located go up between backup pad and the bottom suspension fagging and respectively with go up backup pad and bottom suspension fagging and be connected, all be equipped with the guiding hole on going up backup pad and the bottom suspension fagging, be equipped with the transmission shaft on the guiding hole, the transmission shaft passes through the shaft coupling and erects in the motor of riser upper end is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010226226.9A CN111331238A (en) | 2020-03-27 | 2020-03-27 | Precise pressure welding device adopting pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010226226.9A CN111331238A (en) | 2020-03-27 | 2020-03-27 | Precise pressure welding device adopting pressure sensor |
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| CN111331238A true CN111331238A (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010226226.9A Pending CN111331238A (en) | 2020-03-27 | 2020-03-27 | Precise pressure welding device adopting pressure sensor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111745335A (en) * | 2020-06-30 | 2020-10-09 | 歌尔科技有限公司 | Spot welding machine head and spot welding device |
| CN112756767A (en) * | 2021-01-26 | 2021-05-07 | 德召尼克（常州）焊接科技有限公司 | Ultrasonic vertical metal spot welding machine |
| WO2022179625A1 (en) * | 2021-02-26 | 2022-09-01 | 广东利元亨智能装备股份有限公司 | Pressure detection assembly and ultrasonic welding device |
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| CN103228389A (en) * | 2010-10-06 | 2013-07-31 | 西门子公司 | Welding head with a force sensor, a spring and an adjusting element |
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| CN111745335A (en) * | 2020-06-30 | 2020-10-09 | 歌尔科技有限公司 | Spot welding machine head and spot welding device |
| CN112756767A (en) * | 2021-01-26 | 2021-05-07 | 德召尼克（常州）焊接科技有限公司 | Ultrasonic vertical metal spot welding machine |
| CN112756767B (en) * | 2021-01-26 | 2022-05-06 | 德召尼克（常州）焊接科技有限公司 | Ultrasonic vertical metal spot welding machine |
| WO2022179625A1 (en) * | 2021-02-26 | 2022-09-01 | 广东利元亨智能装备股份有限公司 | Pressure detection assembly and ultrasonic welding device |
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Application publication date: 20200626 |
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| RJ01 | Rejection of invention patent application after publication |