CN111531260A - Vertical resistance welding mechanism - Google Patents
Vertical resistance welding mechanism Download PDFInfo
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- CN111531260A CN111531260A CN202010472597.5A CN202010472597A CN111531260A CN 111531260 A CN111531260 A CN 111531260A CN 202010472597 A CN202010472597 A CN 202010472597A CN 111531260 A CN111531260 A CN 111531260A
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- machine head
- welding
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- housing
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- 238000003466 welding Methods 0.000 title claims abstract description 57
- 238000006073 displacement reaction Methods 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 230000035515 penetration Effects 0.000 abstract description 6
- 229910000679 solder Inorganic materials 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- 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
- B23K11/02—Pressure butt welding
-
- 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)
- Resistance Welding (AREA)
Abstract
The invention discloses a vertical resistance welding mechanism which comprises a machine head assembly, a welding assembly, a floating assembly and a displacement detection assembly, wherein the machine head assembly comprises an upper machine head and a lower machine head which can clamp a product; the welding assembly is used for discharging the two products so as to weld the two products; the floating assembly comprises a shell arranged on the upper machine head and an elastic piece arranged in the shell in a penetrating mode, and the elastic piece can abut against a product so as to apply preset abutting force to the product; the displacement detection assembly is arranged corresponding to welding spot parts to be welded of the two products so as to detect position parameters of the welding spot parts before and after welding. The invention at least comprises the following advantages: the phenomenon of less discharge and leakage can be effectively detected by using the elastic piece which is abutted against the product and is arranged in a floating way; utilize the displacement to detect the cooperation between piece and the elastic component, can detect out the displacement variation volume around the welding fast, know the penetration parameter of solder joint promptly.
Description
Technical Field
The invention relates to the technical field of tools, in particular to a vertical resistance welding mechanism.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
The existing vertical resistance welding mechanism mainly has two technical problems at present, one is that when the product is placed less or leaked during welding, the product cannot be detected in time, and the welding machine still places points; the other is that the penetration of the weld spot cannot be judged. The two existing defects can cause the following defects: welding defective products can be caused, and great production waste is generated; empty discharge can occur between the electrodes, so that the electrodes are ablated or exploded; the requirements of intelligent welding production, such as weld penetration detection, cannot be met.
It should be noted that the above background description is only for the sake of clarity and complete description of the technical solutions of the present invention and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the invention.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides a vertical resistance welding mechanism, which utilizes an elastic piece which is abutted against a product and is arranged in a floating manner, and can effectively detect the phenomena of less discharge and missed discharge; utilize the displacement to detect the cooperation between piece and the elastic component, can detect out the displacement variation volume around the welding fast, know the penetration parameter of solder joint promptly.
The embodiment of the application discloses: a vertical resistance welding mechanism comprises a welding rod,
the machine head assembly comprises an upper machine head and a lower machine head positioned right below the upper machine head, and the upper machine head and the lower machine head can move relatively in the vertical direction to clamp at least two products to be welded positioned between the upper machine head and the lower machine head;
the welding assembly is used for discharging the two clamped products so as to weld the two products;
the floating assembly comprises a shell and an elastic piece which penetrates through the shell and is arranged in a floating mode relative to the shell, the shell is fixedly arranged on the upper machine head, and the lower end of the elastic piece abuts against the upper surface of the product positioned on the upper portion so as to apply a preset abutting force to the product;
and the displacement detection assembly corresponds to welding spot parts to be welded of the two products, so that the position parameters of the welding spot parts before and after welding are detected in the vertical direction.
Further, the elastic piece comprises a spring arranged towards the product and a push rod piece which is inserted into the shell from the upper end of the shell and can push part of the spring out of the shell.
Further, the push rod piece is in threaded connection with the shell, and thrust bearing pieces which are respectively abutted against the push rod piece and the spring are arranged between the push rod piece and the spring so as to convert the threaded rotation of the push rod piece into linear movement of the spring in the vertical direction.
Further, the push rod piece is including all extending along vertical direction and the first body of rod and the second body of rod that the interval set up, be provided with between the first body of rod and the second body of rod and can be respectively in both butts and be used for right the pressure sensing piece that the pressure of spring detected.
Furthermore, set up altogether on the lateral wall of casing the breach that pressure sensing piece wore to establish, the breach is along vertical direction along stretching to make pressure sensing piece is in can follow vertical direction and remove under the promotion of the second body of rod.
Further, be provided with on the lateral wall of casing and be used for in circumference right the first body of rod carries out the first retaining member that locks, the upper end department of casing is provided with right the second retaining member that the second body of rod carries out the locking.
Further, a frictional torsion force between the lower end of the spring and an external mechanism in the circumferential direction is larger than a frictional force of the thrust bearing member itself.
Further, the welding subassembly includes two electrode pieces that lie in the product both sides along vertical direction, electrode piece with the elastic component coaxial arrangement.
Furthermore, the elastic part and the push rod part extend along the vertical direction and are coaxially arranged.
By means of the technical scheme, the invention has the following beneficial effects:
1. according to the detection device, through the arranged elastic piece and the displacement detection piece, the phenomenon of less discharge and leakage can be effectively detected by utilizing the elastic piece which is abutted against a product and is arranged in a floating manner; by utilizing the matching between the detection piece and the elastic piece, the displacement variation before and after welding can be quickly detected, namely the fusion depth parameter of the welding spot is obtained;
2. through the footstep bearing's that sets up in this application, the shell is at rotatory fixed in-process, elastic component and external mechanism are greater than in the ascending frictional force of circumference the friction of footstep bearing spare self, and then make footstep bearing can follow the casing rotates to offset the distortion power that the spring received among the prior art, and then effectively realize that occupation space is little, and can provide advantages such as stable output pressure.
In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall apparatus structure in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a float assembly in an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a float assembly in an embodiment of the present invention.
Reference numerals of the above figures: 1. mounting a machine head; 2. a lower machine head; 3. welding the assembly; 4. a floating assembly; 5. a displacement detection assembly; 41. a housing; 42. a spring; 43. a thrust bearing member; 44. a first rod body; 45. a second rod body; 46. a pressure sensing member; 47. a notch; 48. a first locking member; 49. and a second locking member.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no precedence between the two is considered as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
With reference to fig. 1 to 3, the invention discloses a vertical resistance welding mechanism, which comprises a machine head assembly, a welding assembly 3, a floating assembly 4 and a displacement detection assembly 5, wherein the assemblies are matched with each other, so that the problem of no-discharge phenomenon after less discharge, discharge leakage and the like of a product can be solved; on the other hand, the welding penetration can be directly detected, whether the welding quality is qualified or not is judged by combining the discharge parameters (current, resistance, discharge time and the like) of the power supply, the on-line monitoring function is realized on the welding action, and the reliability of the welded product is ensured.
Referring to fig. 1, in the present embodiment, the head assembly includes an upper head 1 disposed in a vertical direction, and a lower head 2 located directly below the upper head 1. The upper machine head 1 and/or the lower machine head 2 are/is provided with driving pieces, and a driving cylinder can be selected as a power source to drive the upper machine head 1 and/or the lower machine head 2 to move relative to a product in the vertical direction, so that at least two products to be welded between the upper machine head 1 and the lower machine head 2 can be clamped, and stability and safety in the subsequent welding process are guaranteed.
In this embodiment, the welding assembly 3 includes two electrode members located at two sides of the product along the vertical direction, wherein one of the electrode members is fixedly disposed on the upper head 1 and faces the product; the other electrode element is fixedly arranged on the lower machine head 2 and is arranged towards the product. And after the upper machine head 1 and the lower machine head 2 finish the action of clamping the products to be welded, the two electrode pieces start to discharge the welding parts of the two products so as to realize the integrated connection of the two products. The product can be used for welding a capacitor or an inductor on a circuit board.
Referring to fig. 2 and 3, in the present embodiment, the floating assembly 4 includes a housing 41 fixedly disposed on the upper head 1 and extending in the vertical direction, and an elastic member floatingly disposed with respect to the housing 41. The elastic member includes a spring 42 extending vertically and disposed toward the product, and a push rod member inserted into the housing 41 from the upper end of the housing 41 and capable of pushing out a part of the spring 42 to the outside of the housing 41. In this embodiment, in order to be able to more effectively realize a predetermined contact force action on a product, the lower end portion of the spring 42 is positioned outside the housing 41 after the spring 42 is inserted, and the spring 42 is partially configured to be inserted into the housing 41 from the lower end of the housing 41 so that the inner wall of the litigation housing 41 mechanically restrains the spring 42 in the radial direction. It is to be noted that only one spring 42 is provided in this embodiment.
In this embodiment, the push rod includes a first rod 44 and a second rod 45 extending along the vertical direction and disposed at an interval, wherein the first rod 44 is located in the casing 41, and the second rod 45 is inserted into the casing 41 from the upper end of the casing 41. It should be noted that the second rod 45 is connected to the housing 41 by a screw thread, so as to mechanically limit the upper end of the spring 42 in the vertical direction. A pressure sensing member 46 capable of detecting the abutting force of the spring 42 is disposed between the first rod 44 and the second rod 45.
In the above arrangement, during the process of rotating the second rod 45 rightwards relative to the housing 41 (in this embodiment, it is defined that the rightwards rotating second rod 45 moves downwards in the vertical direction), the pressure sensing element 46 can be firstly pressed against, and the pressure sensing element 46 can move downwards along with the second rod 45; then, since the pressure sensing member 46 abuts against the first rod 44, the first rod 44 indirectly follows the second rod 45 to move downward; finally, the lower end of the spring 42 is directly or indirectly abutted with the product, and the upper end of the spring 42 is directly or indirectly abutted with the lower end of the first rod 44, so that in the process of downward movement of the first rod 44, the spring 42 is compressed, at the moment, the pressure sensing part 46 can directly display the abutting pressure of the spring 42, if the displayed abutting pressure is obviously different from the preset abutting pressure, the phenomena of less discharge and leakage of the product are shown, at the moment, the two electrodes do not discharge, and therefore the phenomenon of no discharge is avoided, and the electrode ablation or explosion is avoided.
In the above manner, it is worth noting that the two electrodes and the spring 42 are coaxially arranged, so that in the discharging process of the electrodes, the spring 42 does not deviate and stress relative to the product, and the accuracy of the electrode discharge welding can be ensured.
In the above manner, it is noted that the thrust bearing member 43 is located in the housing 41, and the thrust bearing member 43 includes a thrust bearing and a support shaft for fixing the thrust bearing. In this embodiment, the upper and lower end faces of the thrust bearing are perpendicular to the axial direction of the housing 41, and the side wall of the thrust bearing is abutted against the inner side wall of the housing 41, so that the inner side wall of the housing 41 is radially mechanically limited to the thrust bearing. The support shaft is coaxially arranged with the housing 41, and preferably, a hole for inserting the upper end of the support shaft is arranged at the lower end of the first rod 44, so that the first rod 44 and the support shaft are fixedly arranged; the upper end of the spring 42 is sleeved on the supporting shaft, so that the spring 42 can be fixedly connected with the supporting shaft.
In the above manner, the pressure sensor needs to be connected to an external wire, and needs to move synchronously with the second rod 45 in the process of moving the second rod 45. In order to meet the above requirement, in this embodiment, a notch 47 is formed in a side wall of the housing 41, through which the pressure sensing element 46 passes, and the notch 47 extends along an axial direction of the housing 411.
In this embodiment, the displacement detecting assembly 5 includes a displacement sensor, and the displacement sensor is fixedly disposed on the upper handpiece 1. Preferably, the displacement sensor is arranged corresponding to a welding point part welded with two product belts. The displacement of two products after welding in vertical direction can take place the deviation, detect welding point portion before the welding and detect the position parameter after the welding through displacement sensor, can learn the penetration of welding promptly.
In this embodiment, in order to prevent the first rod 44 from rotating in the circumferential direction along with the second rod 45 during the rotation of the second rod 45, a first locking member 48 for locking the first rod 44 in the circumferential direction is provided on a side wall of the housing 41. Preferably, this first locking piece 48 can select the locking screw, the locking screw passes above-mentioned breach 47 and sets up fixedly on first body of rod 44, the lateral wall of locking screw with form the casing 41 lateral wall butt of breach 47 adopts the spacing mode of machinery to realize spacing first body of rod 44 is ascending circumferentially, and can satisfy the removal of first body of rod 44 in the axis direction, structural design optimizes.
In the above manner, the second end of the housing 41 is provided with a second locking member 49 for locking the second rod 45. When the second rod 45 needs to be rotated, the second locking piece 49 is released; when the second rod 45 is rotated to a proper position, the second locking member 49 is locked, so that the second rod 45 is fixed relative to the housing 41.
The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (9)
1. A vertical resistance welding mechanism is characterized by comprising,
the machine head assembly comprises an upper machine head and a lower machine head positioned right below the upper machine head, and the upper machine head and the lower machine head can move relatively in the vertical direction to clamp at least two products to be welded positioned between the upper machine head and the lower machine head;
the welding assembly is used for discharging the two clamped products so as to weld the two products;
the floating assembly comprises a shell and an elastic piece which penetrates through the shell and is arranged in a floating mode relative to the shell, the shell is fixedly arranged on the upper machine head, and the lower end of the elastic piece abuts against the upper surface of the product positioned on the upper portion so as to apply a preset abutting force to the product;
and the displacement detection assembly corresponds to welding spot parts to be welded of the two products, so that the position parameters of the welding spot parts before and after welding are detected in the vertical direction.
2. The vertical resistance welding mechanism according to claim 1, wherein the elastic member includes a spring disposed toward the product, and a push member inserted into the housing from an upper end of the housing and capable of pushing out a part of the spring to the outside of the housing.
3. The vertical resistance welding mechanism according to claim 2, wherein the push rod member is screw-coupled to the housing, and thrust bearing members are provided between the push rod member and the spring to respectively abut against them, so as to convert the screw rotation of the push rod member into linear movement of the spring in the vertical direction.
4. The vertical resistance welding mechanism according to claim 2, wherein the push rod member includes a first rod body and a second rod body extending in a vertical direction and disposed at an interval, and a pressure sensing member is disposed between the first rod body and the second rod body and capable of abutting against the first rod body and the second rod body respectively and detecting a pressure of the spring.
5. The vertical resistance welding mechanism according to claim 4, wherein a notch is formed in a side wall of the housing, the notch is penetrated by the pressure sensing part, and the notch extends in the vertical direction, so that the pressure sensing part can move in the vertical direction under the pushing of the second rod body.
6. The vertical resistance welding mechanism according to claim 5, wherein a first locking member for locking the first rod in the circumferential direction is provided on a side wall of the housing, and a second locking member for locking the second rod is provided at an upper end portion of the housing.
7. A vertical resistance welding mechanism as claimed in claim 3 wherein the frictional torque in the circumferential direction between the lower end of the spring and the external mechanism is greater than the frictional force of the thrust bearing member itself.
8. The vertical resistance welding mechanism according to claim 1, wherein the welding assembly includes two electrode members disposed on both sides of the product in a vertical direction, the electrode members being disposed coaxially with the elastic member.
9. The vertical resistance welding mechanism of claim 4, wherein the resilient member and the push rod member extend in a vertical direction and are coaxially disposed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010472597.5A CN111531260A (en) | 2020-05-29 | 2020-05-29 | Vertical resistance welding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010472597.5A CN111531260A (en) | 2020-05-29 | 2020-05-29 | Vertical resistance welding mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN111531260A true CN111531260A (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010472597.5A Pending CN111531260A (en) | 2020-05-29 | 2020-05-29 | Vertical resistance welding mechanism |
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| CN (1) | CN111531260A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021903A (en) * | 2021-02-26 | 2021-06-25 | 广东利元亨智能装备股份有限公司 | Pressure detection assembly and ultrasonic welding equipment |
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|---|---|---|---|---|
| US4590787A (en) * | 1984-07-10 | 1986-05-27 | Sms Hasenclever Maxchinenfabrik Gmbh | Screw press |
| DE102011113403B3 (en) * | 2011-09-16 | 2012-10-31 | TasQ Automatisierung GmbH | Tracking device for tracking welding electrode, has spring arranged at lower end of piston rod, such that lower free end of rod is projected, and spring is subjected to second vertical compressive force |
| CN205464780U (en) * | 2016-03-22 | 2016-08-17 | 厦门精悍机电设备有限公司 | Mechanism is followed to resistance weld pressure |
| CN205464776U (en) * | 2016-03-22 | 2016-08-17 | 厦门精悍机电设备有限公司 | Take pressure monitoring's resistance weld pressure to follow mechanism |
| CN106583904A (en) * | 2017-01-20 | 2017-04-26 | 广州松兴电气股份有限公司 | Servo pressurizing mechanism device with enhanced follow-up characteristic |
| CN212704942U (en) * | 2020-05-29 | 2021-03-16 | 苏州众可为智能科技有限公司 | Vertical resistance welding mechanism |
-
2020
- 2020-05-29 CN CN202010472597.5A patent/CN111531260A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4590787A (en) * | 1984-07-10 | 1986-05-27 | Sms Hasenclever Maxchinenfabrik Gmbh | Screw press |
| DE102011113403B3 (en) * | 2011-09-16 | 2012-10-31 | TasQ Automatisierung GmbH | Tracking device for tracking welding electrode, has spring arranged at lower end of piston rod, such that lower free end of rod is projected, and spring is subjected to second vertical compressive force |
| CN205464780U (en) * | 2016-03-22 | 2016-08-17 | 厦门精悍机电设备有限公司 | Mechanism is followed to resistance weld pressure |
| CN205464776U (en) * | 2016-03-22 | 2016-08-17 | 厦门精悍机电设备有限公司 | Take pressure monitoring's resistance weld pressure to follow mechanism |
| CN106583904A (en) * | 2017-01-20 | 2017-04-26 | 广州松兴电气股份有限公司 | Servo pressurizing mechanism device with enhanced follow-up characteristic |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021903A (en) * | 2021-02-26 | 2021-06-25 | 广东利元亨智能装备股份有限公司 | Pressure detection assembly and ultrasonic welding equipment |
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| 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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