CN213646298U - Welding bolt takes mistake proofing to detect lower part electrode structure - Google Patents
Welding bolt takes mistake proofing to detect lower part electrode structure Download PDFInfo
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- CN213646298U CN213646298U CN202022373788.4U CN202022373788U CN213646298U CN 213646298 U CN213646298 U CN 213646298U CN 202022373788 U CN202022373788 U CN 202022373788U CN 213646298 U CN213646298 U CN 213646298U
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Abstract
The utility model discloses a lower electrode structure with error-proofing detection for welding bolts, which comprises a cylinder, wherein an electrode holding rod is arranged at the top of the cylinder, a water-through cooling ring is arranged at the top of the electrode holding rod, a bolt placing hole is formed in the axis center of the water-through cooling ring, a fixing sleeve is sleeved on the periphery of the electrode holding rod, a detection guide rod is fixedly installed on one side of the fixing sleeve, a PLC controller is arranged outside the detection guide rod, a metal plate is arranged at the top of the water-through cooling ring, a bolt is arranged on the metal plate, a lower electrode is arranged at the bottom of the bolt, a connecting rod is arranged at the bottom of the bolt, a stopper is fixedly connected with; this welding bolt takes mistake proofing to detect lower part electrode simple structure, convenient to use realizes the bolt automatic ejecting through setting up the cylinder, has the leak protection of bolt, mistake proofing detection, guarantees the welding quality of bolt, cooperates bolt automatic conveyor to use and realizes unmanned on duty bolt automated welding production.
Description
Technical Field
The utility model relates to a resistance welding technical field specifically is a welding bolt takes mistake proofing to detect lower part electrode structure.
Background
The specification error-proofing technology of a welding standard component for assembly use is a long-term technological capability improvement subject in equipment manufacturing industry and automobile manufacturing industry, a proximity switch used in the currently adopted induction type error-proofing method has a good inspection effect on identification of part loss, but because the switch has a certain detection stroke requirement, when the length change of a bolt is within an effective range or a longer bolt is welded by mistake and directly contacts with a switch detection surface, the two defects cannot be identified through a tool and a control system. Therefore, the effective measures for preventing the specification error of the current standard parts (such as bolts, nuts and the like) are not systematic and complete. Very slightly different bolts of the same specification cannot be identified by visual inspection and welding of the electrodes, for example, due to part mixing or dispensing errors.
The prior art has the following defects or problems:
at present, the automation requirements of manufacturing and processing industries such as domestic vehicle manufacturing, mold manufacturing, sheet metal manufacturing and the like on welding equipment are higher and higher, and the traditional bolt welding mode of manually operating and positioning and manually placing bolts and workpieces is low in production efficiency, easy to cause injury accidents and incapable of meeting the requirements of the existing required production. How to realize that the bolt passes through the sheet metal through hole automatically, accurately and unmistakably. How to detect the leakage prevention, the mistake prevention and the like of the bolts is also a problem encountered by the prior full-automatic bolt conveying equipment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a welding bolt take mistake proofing to detect lower part electrode structure to reach bolt welding degree of automation height, have leak protection, the mistake proofing of bolt and detect, improve the purpose of the welding quality of bolt.
In order to achieve the above object, the utility model provides a following technical scheme: a lower electrode structure with error-proofing detection for welding bolts comprises a cylinder, an electrode holding rod is arranged at the top of the cylinder, a water cooling ring is arranged at the top of the electrode holding rod, a bolt placing hole is arranged at the axis of the water cooling ring, a fixed sleeve is sleeved on the periphery of the electrode holding rod, a detection guide rod is fixedly arranged on one side of the fixed sleeve, a PLC controller is arranged outside the detection guide rod, a metal plate is arranged at the top of the water-through cooling ring, the metal plate is provided with a bolt, the bottom of the bolt is provided with a lower electrode, the bottom of the bolt is provided with a connecting rod, the bottom of the connecting rod is fixedly connected with a limiting block, a first displacement sensor is fixedly arranged on the limiting block, the outer periphery of the limiting block is provided with a spring groove, a spring is arranged on the inner periphery of the spring groove, a guide ejector rod is arranged on the inner periphery of the spring, and a displacement sensor II is arranged at the bottom of the detection guide rod.
As the utility model discloses a preferred technical scheme, lead to the activity of water cooling ring and cup joint at electrode holding rod periphery side, it is adjustable to lead to water cooling ring upper and lower position.
As the utility model discloses a preferred technical scheme, hole internal diameter size and bolt external diameter size looks adaptation are placed to the bolt, the bolt activity is pegged graft and is placed downthehole portion at the bolt, metal plate axle center department is provided with the through-hole of internal diameter size and bolt external diameter size looks adaptation, the bolt activity is pegged graft in metal plate axle center department.
As the utility model discloses an optimized technical scheme, the fixed sleeve is fixed to be cup jointed at electrode holding rod periphery side, it is an elastic telescopic rod to detect the guide arm, but it is flexible to detect the guide arm and receive pressure effect.
As the utility model discloses an preferred technical scheme, stopper external diameter size and spring groove internal diameter size looks adaptation, stopper and spring groove sliding connection.
As the utility model discloses a preferred technical scheme, the spring spiral encircles and sets up in spring inslot portion, spring upper end and stopper fixed connection, spring lower extreme and spring tank bottoms fixed connection.
As the utility model discloses a preferred technical scheme, the inside through-hole that is provided with internal diameter size and direction ejector pin external diameter size looks adaptation of electrode holding rod, the direction ejector pin runs through with the electrode holding rod inside, direction ejector pin one end and cylinder fixed connection.
As the utility model discloses an optimal technical scheme, displacement sensor one is through wire and PLC controller electric connection, two fixed mounting of displacement sensor and detection guide arm bottom, displacement sensor two pass through wire and PLC controller electric connection, the PLC controller passes through wire and external power source electric connection.
Compared with the prior art, the utility model provides a welding bolt takes mistake proofing to detect lower part electrode structure possesses following beneficial effect:
1. according to the lower electrode structure with the error-proofing detection function for the welding bolt, the water cooling ring is arranged and sleeved on the periphery of the electrode holding rod in an up-and-down adjustable mode, so that the temperature of the electrode holding rod, the bolt and the lower electrode is reduced, the welding quality of a product is improved, and the service life of the lower electrode of the bolt is prolonged;
2. according to the lower electrode structure with the error-proofing detection function for the welding bolt, the welded bolt can be automatically ejected out by arranging the air cylinder, the problems that the production efficiency is low and accidents are easily caused by manual operation, positioning and manual taking of the bolt and a workpiece in the traditional bolt welding mode are solved, the automation degree is high, and the automatic welding production of the unattended bolt can be realized by matching with an automatic bolt conveyor;
3. the lower electrode structure with the error-proofing detection function for the welding bolt is characterized in that a spring is arranged at the bottom of the bolt, the stability of the bolt during placement is improved, the welding quality is improved, a limiting block is arranged at the bottom of the bolt, a first displacement sensor is fixedly installed on the limiting block, the first displacement sensor judges whether the bolt is placed wrongly or not by sensing the moving stroke of the limiting block, such as the situations of no bolt, wrong bolt specification and the like, a detection guide rod is arranged on one side of the periphery of an electrode holding rod, a second displacement sensor is arranged in the detection guide rod, and the second displacement sensor also judges whether the metal plate part is placed wrongly or not by sensing the moving stroke of the detection guide rod, such as the situations of no metal plate part, overlapping of the metal plate part, wrong welding part and the like, so that the welding bolt is prevented from being leaked and detected wrongly, The error detection is responded and processed.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of a local structure of the present invention.
In the figure: 1. a cylinder; 2. an electrode holding rod; 3. water is introduced to cool the ring; 4. a bolt placing hole; 5. Fixing the sleeve; 6. detecting a guide rod; 7. a PLC controller; 8. a metal plate member; 9. a bolt; 10. a lower electrode; 11. a connecting rod; 12. a limiting block; 13. a first displacement sensor; 14. a spring slot; 15. A spring; 16. a guide ejector rod; 17. and a second displacement sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, in this embodiment: a lower electrode structure with error-proofing detection for a welded bolt comprises a cylinder 1, wherein an electrode holding rod 2 is arranged at the top of the cylinder 1, a water cooling ring 3 is arranged at the top of the electrode holding rod 2, a bolt placing hole 4 is arranged at the axis of the water cooling ring 3, a fixing sleeve 5 is sleeved at the periphery of the electrode holding rod 2, a detection guide rod 6 is fixedly installed at one side of the fixing sleeve 5, a PLC (programmable logic controller) 7 is arranged outside the detection guide rod 6, a metal plate 8 is arranged at the top of the water cooling ring 3, a bolt 9 is arranged on the metal plate 8, a lower electrode 10 is arranged at the bottom of the bolt 9, a connecting rod 11 is arranged at the bottom of the bolt 9, a limiting block 12 is fixedly connected at the bottom of the connecting rod 11, a displacement sensor LD 13 is fixedly installed on the limiting block 12, a spring groove 14 is arranged at the periphery, and a second displacement sensor 17LD320 is arranged at the bottom of the detection guide rod 6.
In the embodiment, the water cooling ring 3 is movably sleeved on the outer peripheral side of the electrode holding rod 2, and the upper and lower positions of the water cooling ring 3 can be adjusted, so that the temperature of the electrode holding rod 2, the bolt 9 and the lower electrode 10 is reduced, and the welding quality of a product is improved; the inner diameter of the bolt placing hole 4 is matched with the outer diameter of the bolt 9, the bolt 9 is movably inserted in the bolt placing hole 4, a through hole with the inner diameter matched with the outer diameter of the bolt 9 is formed in the axis of the metal plate part 8, the bolt 9 is movably inserted in the axis of the metal plate part 8, and the bolt 9 is placed in the bolt placing hole 4; the fixed sleeve 5 is fixedly sleeved on the outer peripheral side of the electrode holding rod 2, the detection guide rod 6 is an elastic telescopic rod, the detection guide rod 6 can elastically stretch under the action of pressure, a second displacement sensor 17 is arranged in the detection guide rod 6, and the second displacement sensor 17 also judges whether the metal plate 8 is placed wrongly or not by sensing the movement stroke of the detection guide rod 6; the outer diameter of the limiting block 12 is matched with the inner diameter of the spring groove 14, the limiting block 12 is connected with the spring groove 14 in a sliding mode, and the bolt 9 downwards extrudes the limiting block 12 to be in elastic contact with the spring 15; the spring 15 is spirally arranged in the spring groove 14 in a surrounding manner, the upper end of the spring 15 is fixedly connected with the limiting block 12, and the lower end of the spring 15 is fixedly connected with the bottom of the spring groove 14, so that the stability of the bolt 9 during placement is improved; the electrode holding rod 2 is internally provided with a through hole with the inner diameter size matched with the outer diameter size of the guide ejector rod 16, the guide ejector rod 16 penetrates through the electrode holding rod 2, one end of the guide ejector rod 16 is fixedly connected with the air cylinder 1, and the welded bolt 9 can be automatically ejected by arranging the air cylinder 1, so that the problems of low production efficiency, easy occurrence of accidents of injury and high automation degree of the traditional bolt welding mode of manually operating and positioning, manually taking and placing the bolt and a workpiece are solved; displacement sensor 13 passes through wire and PLC controller 7 electric connection, and two 17 fixed mounting of displacement sensor and the 6 bottoms of detection guide arm, two 17 of displacement sensor pass through wire and 7 electric connection of PLC controller, and PLC controller 7 passes through wire and external power source electric connection, and displacement sensor 13, two 17 external connection of displacement sensor have PLC controller 7 to be used for responding to hourglass, wrong detection and handle.
The utility model discloses a theory of operation and use flow: according to the lower electrode structure with the error-proofing detection function for the welding bolt, the water cooling ring 3 is arranged, and the water cooling ring 3 is sleeved on the periphery of the electrode holding rod 2 and can be adjusted up and down, so that the temperature of the electrode holding rod 2, the bolt 9 and the lower electrode 10 is reduced, the welding quality of a product is improved, and the service life of the lower electrode 10 on the lower part of the bolt is prolonged; the air cylinder 1 is arranged, so that the welded bolt 9 can be automatically ejected out, the problems that the production efficiency is low and accidents are easily caused by manual operation positioning, manual bolt taking and placing and a traditional bolt welding mode of a workpiece are solved, the automation degree is high, and the automatic welding production of the unattended bolt can be realized by matching with an automatic bolt conveyor; a spring 15 is arranged at the bottom of a bolt 9 to increase the stability of the bolt 9 when the bolt is placed, so that the welding quality is improved, a limit block 12 is arranged at the bottom of the bolt 9, a first displacement sensor 13 is fixedly arranged on the limit block 12, the first displacement sensor 13 judges whether the bolt 9 is placed wrongly or not by sensing the moving stroke of the limit block 12, such as no bolt, wrong bolt specification and the like, a detection guide rod 6 is arranged on one side of the periphery of an electrode holding rod 2, a second displacement sensor 17 is arranged in the detection guide rod 6, and the second displacement sensor 17 also judges whether the metal plate part 8 is placed wrongly or not by sensing the moving stroke of the detection guide rod 6, such as no metal plate part, overlapped metal plate part, wrong metal plate part and the like, so that the welding bolt is prevented from being leaked and wrongly detected, and a PLC 7 is connected outside the first displacement, The error detection is responded and processed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a welding bolt takes mistake proofing to detect lower part electrode structure which characterized in that: the device comprises an air cylinder (1), wherein an electrode holding rod (2) is arranged at the top of the air cylinder (1), a water cooling ring (3) is arranged at the top of the electrode holding rod (2), a bolt placing hole (4) is formed in the axis of the water cooling ring (3), a fixing sleeve (5) is sleeved on the periphery of the electrode holding rod (2), a detection guide rod (6) is fixedly arranged on one side of the fixing sleeve (5), a PLC (programmable logic controller) (7) is arranged outside the detection guide rod (6), a metal plate part (8) is arranged at the top of the water cooling ring (3), a bolt (9) is arranged on the metal plate part (8), a lower electrode (10) is arranged at the bottom of the bolt (9), a connecting rod (11) is arranged at the bottom of the bolt (9), a limiting block (12) is fixedly connected to the bottom of the connecting rod (11), and a displacement sensor I (, the outer periphery of the limiting block (12) is provided with a spring groove (14), the inner periphery of the spring groove (14) is provided with a spring (15), the inner periphery of the spring (15) is provided with a guide ejector rod (16), and the bottom of the detection guide rod (6) is provided with a second displacement sensor (17).
2. The lower electrode structure with error-proofing detection of a welding bolt according to claim 1, characterized in that: the water cooling ring (3) is movably sleeved on the outer peripheral side of the electrode holding rod (2), and the upper and lower positions of the water cooling ring (3) can be adjusted.
3. The lower electrode structure with error-proofing detection of a welding bolt according to claim 1, characterized in that: the bolt placing hole (4) is matched with the bolt (9) in outer diameter, the bolt (9) is movably inserted into the bolt placing hole (4), a through hole matched with the bolt (9) in inner diameter is formed in the axis of the metal plate part (8), and the bolt (9) is movably inserted into the axis of the metal plate part (8).
4. The lower electrode structure with error-proofing detection of a welding bolt according to claim 1, characterized in that: the fixed sleeve (5) is fixedly sleeved on the outer peripheral side of the electrode holding rod (2), the detection guide rod (6) is an elastic telescopic rod, and the detection guide rod (6) can elastically stretch under the action of pressure.
5. The lower electrode structure with error-proofing detection of a welding bolt according to claim 1, characterized in that: the outer diameter of the limiting block (12) is matched with the inner diameter of the spring groove (14), and the limiting block (12) is connected with the spring groove (14) in a sliding mode.
6. The lower electrode structure with error-proofing detection of a welding bolt according to claim 1, characterized in that: spring (15) spiral is encircleed and is set up inside spring groove (14), spring (15) upper end and stopper (12) fixed connection, spring (15) lower extreme and spring groove (14) bottom fixed connection.
7. The lower electrode structure with error-proofing detection of a welding bolt according to claim 1, characterized in that: the electrode holding rod (2) is internally provided with a through hole with the inner diameter size matched with the outer diameter size of the guide ejector rod (16), the guide ejector rod (16) penetrates through the electrode holding rod (2), and one end of the guide ejector rod (16) is fixedly connected with the air cylinder (1).
8. The lower electrode structure with error-proofing detection of a welding bolt according to claim 1, characterized in that: the first displacement sensor (13) is electrically connected with the PLC (programmable logic controller) (7) through a wire, the second displacement sensor (17) is fixedly installed at the bottom of the detection guide rod (6), the second displacement sensor (17) is electrically connected with the PLC (7) through a wire, and the PLC (7) is electrically connected with an external power supply through a wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022373788.4U CN213646298U (en) | 2020-10-22 | 2020-10-22 | Welding bolt takes mistake proofing to detect lower part electrode structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022373788.4U CN213646298U (en) | 2020-10-22 | 2020-10-22 | Welding bolt takes mistake proofing to detect lower part electrode structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213646298U true CN213646298U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022373788.4U Active CN213646298U (en) | 2020-10-22 | 2020-10-22 | Welding bolt takes mistake proofing to detect lower part electrode structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213646298U (en) |
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2020
- 2020-10-22 CN CN202022373788.4U patent/CN213646298U/en active Active
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