CN219503922U

CN219503922U - Nut detection device of fixed spot welder during welding

Info

Publication number: CN219503922U
Application number: CN202320199968.6U
Authority: CN
Inventors: 李军; 姜秉宏; 周鑫; 姚义龙; 李波; 陈立军
Original assignee: Hangzhou Baowei Auto Parts Co Ltd
Current assignee: Hangzhou Baowei Auto Parts Co Ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-08-11
Anticipated expiration: 2033-02-14

Abstract

The utility model relates to the technical field of nut welding, and discloses a nut detection device for a fixed spot welder during welding, which comprises a spot welder main body, wherein a welding platform is arranged in the middle of the spot welder main body, a material component is arranged at the top of the welding platform, a welding mechanism is connected to the top of the spot welder main body, the bottom of the welding mechanism is aligned with the material component, one side of the bottom of the welding mechanism is connected with a linkage plate, and one side of the linkage plate is aligned with a photoelectric sensor. After the linkage plate, the photoelectric sensor, the photoelectric controller and the guide component are comprehensively assembled, a synchronous detection structure is formed, after the synchronous detection structure is matched with a fixed spot welder consisting of a spot welder main body, a welding platform and a welding mechanism, the height difference of a material assembly is detected, and then after the condition that nuts in the material assembly are missing, the fixed spot welder cannot perform an operation state, so that idle work is avoided.

Description

Nut detection device of fixed spot welder during welding

Technical Field

The utility model relates to the technical field of nut welding, in particular to a nut detection device for a fixed spot welder during welding.

Background

The fixed spot welder is one kind of mechanical equipment, and is usually based on the principle of double-sided double-point overcurrent welding.

In the operation process of the fixed spot welder, welding current in the fixed spot welder instantaneously flows from the other electrode to the electrode along the two workpieces to form a loop, so that the internal structure of the welded workpieces is not damaged while welding is realized, and therefore, the fixed spot welder is often used for welding nuts on plates in the automobile manufacturing process, but the existing fixed spot welder cannot actively identify and detect the front and back operations of the nuts and the error and leakage condition of the nuts, and the welding operation is still carried out, so that bad workpieces are generated.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a nut detection device for a fixed spot welder during welding, which solves the problems of the prior art.

The utility model provides the following technical scheme: the utility model provides a nut detection device when welding of fixed spot welder, includes the spot welder main part, the mid-mounting of spot welder main part has welding platform, and the material subassembly is installed at welding platform's top, the top of spot welder main part is connected with welding mechanism, welding mechanism's bottom aligns with the material subassembly, one side of welding mechanism bottom is connected with linkage plate, and one side of linkage plate aligns and is provided with photoelectric sensor, photoelectric sensor has photoelectric controller through wire electric connection, and the surface cover of photoelectric sensor one end is equipped with the back plate, one end of back plate and one side of photoelectric controller are all installed on the surface at spot welder main part middle part.

The linkage plate is composed of a detection block and an insulating plate fixedly connected with one side of the detection block, and one side of the top of the insulating plate is fixedly connected with the surface of one side of the bottom of the welding mechanism.

The spot welder is characterized in that a guide part is arranged on the inner side of the insulating plate, a hollow rod is arranged in the guide part, a first supporting sleeve plate and a second supporting sleeve plate are fixedly sleeved on the surfaces of two ends of the hollow rod respectively, and one end of the first supporting sleeve plate and one end of the second supporting sleeve plate are fixedly connected to the surface of the middle part of the spot welder body.

The inside activity of well hollow pole has cup jointed the second and has supported the sleeve board, and the surface at second supports the sleeve board top and the surface at well hollow pole top between fixed mounting have compression spring, the oil outlet has been seted up to the inner wall of well hollow pole bottom, the oil outlet aligns with the linkage plate.

The inside of material subassembly is provided with nut, installation plate, and the bottom surface of nut is connected with the top surface laminating of installation plate, the inboard threaded connection of nut bottom has first screw thread piece, and the inboard threaded connection of first screw thread piece bottom has the second screw thread piece, second screw thread piece fixed connection is on the top surface of installation plate.

Carefully chosen, first screw thread piece bottom and welded platform's top surface do not contact, and first screw thread piece and second screw thread piece all adopt insulating material, and the bottom of second screw thread piece adopts the sticky mode to install on the top surface of installation plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. after the linkage plate, the photoelectric sensor, the photoelectric controller and the guide component are comprehensively assembled, a synchronous detection structure is formed, after the synchronous detection structure is matched with a fixed spot welder consisting of a spot welder main body, a welding platform and a welding mechanism, the height difference of a material assembly is detected, and then after the condition that nuts in the material assembly are missing, the fixed spot welder cannot perform an operation state, so that idle work is avoided.

2. According to the material assembly provided by the utility model, the first thread blocks and the second thread blocks arranged in the material assembly are used for restraining the connection of the nut and the mounting plate in the direction, so that the problem of positive and negative dislocation of the nut is solved from the source.

Drawings

FIG. 1 is a schematic elevational view of the structure of the present utility model;

FIG. 2 is a schematic left-hand view of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of a structural material assembly of the present utility model;

FIG. 4 is a schematic cross-sectional view of a structural guide member of the present utility model;

fig. 5 is an enlarged schematic view of the structure of the present utility model at a in fig. 1.

In the figure: 1. a spot welder main body; 2. a welding platform; 3. a welding mechanism; 4. a material assembly; 41. a nut; 42. mounting a plate; 43. a first threaded block; 44. a second threaded block; 5. a linkage plate; 6. a photoelectric sensor; 7. a photoelectric controller; 8. a support plate; 9. a guide member; 91. a hollow rod; 92. a first support sleeve plate; 93. a second support sleeve plate; 94. a compression spring; 95. and an oil outlet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 3, a nut detection device of a fixed spot welder during welding comprises a spot welder main body 1, a welding platform 2 is installed in the middle of the spot welder main body 1, a material component 4 is installed at the top of the welding platform 2, a welding mechanism 3 is connected to the top of the spot welder main body 1, the bottom of the welding mechanism 3 is aligned with the material component 4, a nut 41 and a mounting plate 42 are arranged in the material component 4, the bottom surface of the nut 41 is connected with the top surface of the mounting plate 42 in a fitting manner, a first thread block 43 is connected with the inner side thread of the bottom of the nut 41, a second thread block 44 is fixedly connected to the top surface of the mounting plate 42, the bottom of the first thread block 43 is not in contact with the top surface of the welding platform 2, the first thread block 43 and the second thread block 44 are made of insulating materials, and the bottom of the second thread block 44 is mounted on the top surface of the mounting plate 42 in an adhesive manner, so that the nut is convenient to recycle and reuse.

When the nut 41 is used, the first thread block 43 and the second thread block 44 are utilized to restrict the connection of the nut 41 and the mounting plate 42 in the direction, the problem of positive and negative dislocation of the nut 41 is solved from the source, and after the first thread block 43 and the second thread block 44 are welded, the first thread block 43 and the second thread block 44 can be disassembled and recycled.

Referring to fig. 1, 2 and 5, a linkage plate 5 is connected to one side of the bottom of the welding mechanism 3, the linkage plate 5 is composed of a detection block and an insulating plate fixedly connected to one side of the detection block, one side of the top of the insulating plate is fixedly connected to one side of the bottom of the welding mechanism 3, the linkage plate 5 is set to provide supporting and junction isolation conditions for subsequently arranged components, a photoelectric sensor 6 is arranged on one side of the linkage plate 5 in alignment, the photoelectric sensor 6 is electrically connected with a photoelectric controller 7 through a wire, a supporting plate 8 is sleeved on the surface of one end of the photoelectric sensor 6, and one end of the supporting plate 8 and one side of the photoelectric controller 7 are both installed on the surface of the middle part of the spot welder main body 1.

When the spot welder is used, the photoelectric controller 7 and the photoelectric sensor 6 are started and the welding mechanism 3 is started through the spot welder main body 1, then the downward moving structure in the welding mechanism 3 is gradually close to the material component 4 until the bottom of the welding mechanism 3 is attached to the top of the material component 4 and is pressed against, in the downward moving process of the welding mechanism 3, the linkage plate 5 synchronously moves along with the downward moving structure in the welding mechanism 3, after the integral structure of the material component 4 is not lost, the linkage plate 5 is aligned with the photoelectric sensor 6 after the welding mechanism 3 is attached to and pressed against the material component 4, the position is correct, then the welding mechanism 3 is started, the nut 41 in the material component 4 is welded with the mounting plate 42, otherwise, the internal structure of the material component 4 is lost, the linkage plate 5 cannot be aligned with the photoelectric sensor 6, and the welding mechanism 3 does not have the starting condition.

Referring to fig. 1 and 4, a guiding member 9 is disposed on the inner side of the insulating plate, a hollow rod 91 is disposed inside the guiding member 9, surfaces at two ends of the hollow rod 91 are fixedly sleeved with a first supporting sleeve plate 92 and a second supporting sleeve plate 93 respectively, one end of the first supporting sleeve plate 92 and one end of the second supporting sleeve plate 93 are fixedly connected to the surface of the middle part of the spot welder main body 1, a second supporting sleeve plate 93 is movably sleeved on the inner side of the hollow rod 91, a compression spring 94 is fixedly mounted between the surface of the top of the second supporting sleeve plate 93 and the surface of the top of the hollow rod 91, an oil outlet 95 is formed in the inner wall of the bottom of the hollow rod 91, and the oil outlet 95 is aligned with the linkage plate 5.

When the device is used, the guide part 9 provides support and guide for the reciprocating movement of the linkage plate 5, the hollow rod 91 in the guide part 9 can bear lubricating oil, and after the second support sleeve plate 93 is pressed in a reciprocating manner, the lubricating oil in the hollow rod 91 can be discharged through the oil outlet 95 and contacted with the detection block in the linkage plate 5, so that the connection friction between the linkage plate 5 and the guide part 9 is reduced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Meanwhile, in the drawings of the present utility model, the filling pattern is only for distinguishing the layers, and is not limited in any way.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a nut detection device when welding of fixed spot welder, includes spot welder main part (1), the mid-mounting of spot welder main part (1) has welded platform (2), and material subassembly (4) are installed at the top of welded platform (2), the top of spot welder main part (1) is connected with welding mechanism (3), the bottom of welding mechanism (3) aligns its characterized in that with material subassembly (4): one side of welding mechanism (3) bottom is connected with linkage plate (5), and one side of linkage plate (5) aligns to be provided with photoelectric sensor (6), photoelectric sensor (6) are through wire electric connection has photoelectric controller (7), and the surface cover of photoelectric sensor (6) one end is equipped with backing plate (8), the one end of backing plate (8) and one side of photoelectric controller (7) are all installed on the surface in the middle part of spot welder main part (1).

2. The nut detection device for a stationary spot welder during welding of claim 1, wherein: the linkage plate (5) is composed of a detection block and an insulating plate fixedly connected with one side of the detection block, and one side of the top of the insulating plate is fixedly connected with the surface of one side of the bottom of the welding mechanism (3).

3. The nut detection device for a stationary spot welder during welding according to claim 2, wherein: the inside of insulation board is provided with guide part (9), and the inside of guide part (9) is provided with cavity pole (91), the surface at cavity pole (91) both ends has all fixedly sleeved with respectively first support sleeve plate (92) and second support sleeve plate (93), the one end of first support sleeve plate (92) and the one end of second support sleeve plate (93) are all fixed connection on the surface at spot welder main part (1) middle part.

4. A nut detection apparatus for a stationary spot welder during welding according to claim 3, wherein: the inboard activity of cavity pole (91) has cup jointed second support sleeve plate (93), and fixed mounting has compression spring (94) between the surface at second support sleeve plate (93) top and the surface at cavity pole (91) top, oil outlet (95) have been seted up to the inner wall of cavity pole (91) bottom, oil outlet (95) are aligned with linkage plate (5).

5. The nut detection device for a stationary spot welder during welding of claim 1, wherein: the inside of material subassembly (4) is provided with nut (41), installation plate (42), and the bottom surface of nut (41) is connected with the top surface laminating of installation plate (42), the inboard threaded connection of nut (41) bottom has first screw thread piece (43), and the inboard threaded connection of first screw thread piece (43) bottom has second screw thread piece (44), second screw thread piece (44) fixed connection is on the top surface of installation plate (42).

6. The nut detection device for a stationary spot welder during welding of claim 5, wherein: the bottom of the first threaded block (43) is not in contact with the top surface of the welding platform (2), the first threaded block (43) and the second threaded block (44) are made of insulating materials, and the bottom of the second threaded block (44) is mounted on the top surface of the mounting plate (42) in an adhesive mode.