CN209919199U - Soldering tool for PIN pin of car switch - Google Patents

Abstract

The application discloses a welding tool for a PIN pin of a switch for a vehicle, which includes an electric welding machine and a positioning tool fixed to the electric welding machine. The positioning tool includes a first connecting block fixed to the lower electrode, a second connecting block and a positioning block sequentially arranged on the first connecting block from bottom to top, and the positioning block is slidably arranged on the first connecting block. On the two connection blocks, the top surface of the positioning block is concavely provided with a positioning groove corresponding to the PIN and the vehicle switch, and the positioning groove is arranged directly below the upper electrode. The welding fixture of the PIN pin of the vehicle switch is simple in structure, convenient in operation, shortens operation time, improves production efficiency, eliminates unqualified parts caused by human factors, and meets the requirements of mass production.

Description

Soldering tool for PIN pin of car switch

technical field

The application relates to the field of automated production, in particular to a welding tool for PIN pins of switches for vehicles.

Background technique

Switch welding is to place the parts directly on the workbench for spot welding. Since the parts are placed on the worktable in a free state, the parts are placed by hand during welding, which is unsafe. Secondly, the welded parts cannot meet the parallelism required by the drawing due to the lack of accurate positioning, and the PIN needle is easy to deviate. . Not only the production efficiency is low, but also a large number of defective parts are generated, causing rework, customer complaints and claims. Improvements are therefore required.

Utility model content

The purpose of the utility model is to provide a welding tool for the PIN pin of a vehicle switch to overcome the deficiencies in the prior art.

To achieve the above object, the utility model provides the following technical solutions:

The embodiment of the present application discloses a welding tool for a PIN pin of a vehicle switch, including an electric welding machine and a positioning tool fixed to the electric welding machine. The electric welding machine is a pneumatic electric welding machine and at least includes an upper electrode and a lower electrode arranged oppositely. , characterized in that the positioning tool includes a first connecting block fixed to the lower electrode, a second connecting block and a positioning block sequentially arranged on the first connecting block from bottom to top, and the positioning block It is slidably arranged on the second connection block, the top surface of the positioning block is concavely provided with a positioning groove corresponding to the PIN and the vehicle switch, and the positioning groove is arranged directly below the upper electrode.

Preferably, in the above-mentioned welding tool for the PIN pin of the vehicle switch, the first connection block, the second connection block and the positioning block are connected by a positioning column, the top of the positioning column is arranged in the positioning groove, and is set directly below the upper electrode.

Preferably, in the above-mentioned welding tool for the PIN pin of a vehicle switch, the positioning groove includes a switch groove, an installation groove, a sliding groove and two PIN needle grooves arranged in sequence, and the switch groove corresponds to the vehicle switch to be welded. Set, the PIN pin slot is set corresponding to the PIN pin to be welded.

Preferably, in the above-mentioned welding tool for the PIN pin of a vehicle switch, a positioning plate is embedded in the positioning groove, a limit groove is recessed at the top of the positioning plate, and the limit groove corresponds to the vehicle switch to be welded. set up.

Preferably, in the above-mentioned welding tool for the PIN pin of the vehicle switch, a sliding table corresponding to the sliding groove is protruded from the top end of the positioning column.

Preferably, in the above-mentioned welding tool for the PIN pin of the vehicle switch, the height of the sliding table plus the depth of the PIN pin groove is the same as the thickness of the positioning block.

Preferably, in the above-mentioned welding tool for the PIN pin of a vehicle switch, a high platform protrudes upward from the side of the top surface of the first connecting block facing away from the electric welding machine, and the top surface of the high platform is concavely provided with a first A through hole, the side of the first through hole facing away from the electric welding machine is recessed with an opening groove, and the diameter of the first through hole is the same as the diameter of the positioning column.

Preferably, in the above-mentioned welding tool for the PIN pin of the vehicle switch, the two sides of the second connecting block respectively protrude upwardly with a limit table, and the center of the top surface of the second connecting block is concavely provided with a second through hole , the diameter of the second through hole is the same as the diameter of the positioning column, the side of the second connection block facing away from the electric welding machine is recessed with a threaded hole, and the threaded hole communicates with the second through hole.

Compared with the prior art, the utility model has the advantages that the welding tool structure of the PIN needle of the vehicle switch is simple, the operation is convenient, the operation time is shortened, the production efficiency is improved, and the control of the parallelism of the PIN needle is converted into the PIN needle. The control of groove machining accuracy eliminates unqualified parts caused by human factors and meets the requirements of mass production.

Description of drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments described in this application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

FIG. 1 is a schematic structural diagram of a welding tool for a PIN pin of a vehicle switch in a specific embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a positioning tool in a specific embodiment of the present invention.

FIG. 3 is a schematic structural diagram of a positioning plate in a specific embodiment of the present invention.

FIG. 4 is a schematic structural diagram of a positioning column in a specific embodiment of the present invention.

FIG. 5 is a schematic structural diagram of a first connection block in a specific embodiment of the present invention.

FIG. 6 is a schematic structural diagram of a second connection block in a specific embodiment of the present invention.

FIG. 7 is a schematic structural diagram of a positioning block in a specific embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present utility model will be described in detail below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation on the present invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Referring to FIGS. 1 to 7 , the welding tool for the PIN pin of the vehicle switch in this embodiment includes an electric welding machine 100 and a positioning tool 200 fixed to the electric welding machine 100. The electric welding machine 100 is a pneumatic electric welding machine 100, and at least includes a relative The upper electrode and the lower electrode are arranged, and the positioning tool 200 includes a first connection block 210 fixed on the lower electrode, a second connection block 220 and a positioning block 230 arranged on the first connection block 210 in sequence from bottom to top, and the positioning block The 230 is slidably arranged on the second connecting block 220. The top surface of the locating block 230 is recessed with a locating slot 231 corresponding to the PIN and the vehicle switch.

In this technical solution, the external control device also includes PLC and foot switch. The electric welding machine is a small precision AC electric welding machine with model PW25QV; when using, first, put the two PIN pins into the positioning groove on the positioning block Inside, complete the accurate positioning of the PIN needle, then put the vehicle switch accurately into the positioning groove on the positioning block, the two pins of the vehicle switch are just pressed on one end of the PIN needle, press the vehicle switch and PIN with both hands Needle, step on the external foot switch, weld one of the PIN needles, slide the positioning tool, hold the switch and the PIN needle with both hands, step on the foot switch, weld the other PIN needle, complete a welding cycle, the car uses the switch PIN needle The welding tooling is simple in structure, easy to operate, shortens the operation time, improves the production efficiency, converts the control of the parallelism of the PIN needle into the control of the processing accuracy of the PIN needle groove, eliminates the unqualified parts caused by human factors, and meets the requirements of mass production. Require.

Further, the first connection block 210 , the second connection block 220 and the positioning block 230 are connected by a positioning column 240 , and the top of the positioning column 240 is arranged in the positioning groove 231 and is arranged directly below the upper electrode.

In this technical solution, the second connection block and the positioning block are made of 45#, while the first connection block and the positioning column 240 are made of the same material as the upper and lower electrodes, usually copper, and the positioning column 240 is equivalent to the extension of the lower electrode. Copper oxide is formed on the surface of the electrode, the material is resistant to softening, wear and ablation, has a long service life, and has a high number of spot welding, which reduces the time of downtime for grinding the electrode.

Further, the positioning slot 231 includes a switch slot 2311, an installation slot 2312, a sliding slot 2313 and two PIN pin slots 2314, which are arranged in sequence. The switch slot 2311 is set corresponding to the vehicle switch to be welded, and the PIN pin slot 2314 corresponds to the PIN to be welded. For should be set.

In this technical solution, first, two PIN needles are put into the PIN needle grooves on the positioning block to complete the accurate positioning of the PIN needles, and then the vehicle switch is accurately placed into the switch groove 2311 on the positioning block. The two pins of the switch are just pressed against one end of the PIN needle, which converts the control of the parallelism of the PIN needle into the control of the machining accuracy of the PIN needle groove, eliminates the unqualified parts caused by human factors, and meets the requirements of mass production.

Further, a positioning plate 250 is embedded in the installation groove 2312 , and a limit groove 251 is recessed at the top of the positioning plate 250 , and the limit groove 251 is corresponding to the vehicle switch to be welded.

In the technical solution, the positioning plate is arranged to facilitate the quick installation of the vehicle switch to be welded.

Further, a sliding table 241 corresponding to the sliding groove 2313 is protruded from the top end of the positioning column 240 .

Further, the height of the sliding table 241 and the depth of the PIN needle groove 2314 are the same as the thickness of the positioning block 230 .

In the above two technical solutions, the positioning block slides along the sliding table, and at the same time, the top surface of the sliding table is in full contact with the PIN pin to ensure the welding effect.

Further, a high platform 211 protrudes upwardly from the side of the top surface of the first connection block 210 facing away from the electric welding machine 100 , the top surface of the high platform is concavely provided with a first through hole 212 , and the side of the first through hole facing away from the electric welding machine 100 is concave. An opening slot 213 is provided, and the diameter of the first through hole is the same as that of the positioning post 240 .

Further, the two sides of the second connecting block 220 respectively protrude upwardly with the limiting stage 221 , and the center of the top surface of the second connecting block is concavely provided with a second through hole 222 , and the diameter of the second through hole is the same as that of the positioning column 240 . , the side surface of the second connecting block facing away from the electric welding machine 100 is concavely provided with a threaded hole 223, and the threaded hole 223 is communicated with the second through hole.

In the above two technical solutions, the first connecting block is machined with a long-waisted counterbore, which is fixed to the electric welding machine by bolts, the positioning column is fixed in the second through hole by bolts, the lower end of the positioning column is inserted into the first through hole, and the second through hole is inserted into the lower end of the positioning column. The connecting block is connected to the top of the first connecting block, the positioning block slides between the two limit tables along the sliding table, and the positions of the positioning block abutting on the two limit tables correspond to the welding positions of the two PIN pins respectively.

To sum up, the welding fixture for the PIN pin of the vehicle switch has a simple structure, is convenient to operate, shortens the operation time, improves the production efficiency, and converts the control of the parallelism of the PIN pin into the control of the machining accuracy of the PIN pin groove, eliminating the need for manual work. Unqualified parts caused by factors meet the requirements of mass production.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above are only specific embodiments of the present application. It should be pointed out that for those skilled in the art, without departing from the principles of the present application, several improvements and modifications can also be made. It should be regarded as the protection scope of this application.

Claims (8)

1. The utility model provides a welding frock of automobile-used switch PIN needle, includes the electric welding and is fixed in the location frock of electric welding, the electric welding is pneumatic electric welding, includes relative upper electrode and the bottom electrode that sets up at least, a serial communication port, the location frock is including being fixed in the first connecting block of bottom electrode, from down and set gradually in second connecting block and locating piece above the first connecting block, the locating piece slide set up in on the second connecting block, the concave constant head tank that corresponds the setting with PIN needle and automobile-used switch that is equipped with of locating piece top surface, the constant head tank set up in under the upper electrode.

2. The vehicle switch PIN welding tool according to claim 1, wherein: the first connecting block, the second connecting block and the positioning block are connected through positioning columns, and the top ends of the positioning columns are arranged in the positioning grooves and are arranged right below the upper electrodes.

3. The vehicle switch PIN welding tool according to claim 2, wherein: the locating slot comprises a PIN needle slot switch slot, a mounting slot, a sliding slot and two PIN needle slots which are sequentially arranged, the switch slot is correspondingly arranged with the vehicle switch to be welded, and the PIN needle slots are correspondingly arranged with the PIN needle slots to be welded.

4. The vehicle switch PIN welding tool according to claim 3, wherein: the locating groove is embedded with a locating plate, the top end of the locating plate is concavely provided with a limiting groove, and the limiting groove corresponds to a vehicle switch to be welded.

5. The vehicle switch PIN welding tool according to claim 3, wherein: and a sliding table which is arranged corresponding to the sliding groove is convexly extended at the top end of the positioning column.

6. The vehicle switch PIN welding tool according to claim 5, wherein: the height of the sliding table plus the depth of the PIN needle groove is the same as the thickness of the positioning block.

7. The vehicle switch PIN welding tool according to claim 2, wherein: the top surface of first connecting block deviates from one side of electric welding is the protruding plateau that has upwards stretched, the concave first through-hole that is equipped with of top surface of plateau, first through-hole deviates from the concave open slot that is equipped with in one side of electric welding, the diameter of first through-hole with the diameter of reference column is the same.

8. The vehicle switch PIN welding tool according to claim 2, wherein: the two sides of the second connecting block are respectively provided with limiting tables in an upward protruding mode, a second through hole is concavely formed in the center of the top face of the second connecting block, the diameter of the second through hole is the same as that of the positioning column, a threaded hole is concavely formed in the side face, deviating from the electric welding machine, of the second connecting block, and the threaded hole is communicated with the second through hole.

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