CN215698761U - Automatic grounding assembly for TIG welding chuck - Google Patents

Abstract

The utility model belongs to the technical field of welding chucks and discloses an automatic grounding assembly for a TIG (tungsten inert gas) welding chuck. According to the PIN needle clamping device, the first pneumatic cylinder and the buffer mounting seat are arranged, when the electric actuator moves to a required position through the sliding block, the supporting block and the first pneumatic cylinder, the fixed clamping jaw and the movable clamping jaw can be moved to the required position through the ground wire connecting plate, the mounting seat and the first adapter plate when the first pneumatic cylinder moves, the first pneumatic cylinder is started to lift the fixed clamping jaw and the movable clamping jaw to the front side and the rear side of the PIN needle through the ground wire connecting plate, the mounting seat and the first adapter plate, and then the second pneumatic cylinder is started to move the movable clamping jaw through the first adapter plate, so that the PIN needle is clamped by the fixed clamping jaw and the movable clamping jaw.

Description

Automatic grounding assembly for TIG welding chuck

Technical Field

The utility model belongs to the technical field of welding chucks, and particularly relates to an automatic grounding assembly for a TIG welding chuck.

Background

TIG welding is called tungsten inert gas welding, it is under the protection of inert gas, utilize tungsten electrode and electric arc heat produced between the work piece melt the welding method of base metal and filler wire, the protective gas is sprayed out continuously from the spray nozzle of the welding gun while welding, form the gas protective layer around the electric arc and isolate the air, in order to prevent its harmful effects to tungsten electrode, molten bath and adjacent heat affected zone, thus can obtain the high-quality welding seam, the protective gas can adopt argon, helium or argon-helium mixed gas.

At present, an operator often uses a TIG welding device in welding operation, while the existing TIG welding device can really complete the welding function in daily use, but the existing TIG welding device does not have the grounding function, so that potential safety hazards may exist in the welding process of the operator, the welding work cannot be normally performed, the processing and production efficiency is reduced, and the TIG welding device needs to be improved.

Meanwhile, the existing TIG welding chuck grounding device does not have the function of automatic power connection when in use, so that an operator still needs to manually open or close a circuit of a subsequent operation flow after the chuck is stably installed, the work of the operator is inconvenient, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provides an automatic grounding assembly for a TIG welding chuck, which has the advantages of automatic grounding and automatic power off.

In order to achieve the purpose, the utility model provides the following technical scheme: an automatic grounding assembly for a TIG welding chuck comprises a base, wherein an electric actuator is fixedly mounted at the top of the base, a sliding block is movably connected at the top of the electric actuator, a fixed block is fixedly connected at the top of the sliding block, a supporting block is fixedly mounted at the top of the fixed block, a first pneumatic cylinder is fixedly mounted at the front of the supporting block, the first pneumatic cylinder and a second pneumatic cylinder are both existing devices, the models of the first pneumatic cylinder and the second pneumatic cylinder are both suitable for SAT8-4DCFT-3GCJSD series, a ground wire connecting plate is fixedly mounted at the top and the front of the first pneumatic cylinder, a ground wire connecting plate is fixedly mounted at the back of the top of the ground wire connecting plate, a mounting seat is fixedly mounted at the left side of the ground wire connecting plate, a first transfer plate positioned right ahead of the ground wire connecting plate is fixedly mounted at the top of the mounting seat, the top fixed mounting of first keysets has fixed clamping jaw, the bottom fixed mounting on first keysets right side has the second pneumatic cylinder that is located ground wire connecting plate the place ahead, the top fixed mounting of second pneumatic cylinder has the second keysets that is located between ground wire connecting plate and the first keysets, the top fixed mounting of second keysets has the movable clamping jaw that is located the fixed clamping jaw back, the front of movable clamping jaw and the back swing joint of fixed clamping jaw.

As a preferable technical scheme of the present invention, a buffer mounting seat is fixedly mounted on the front surface of the second pneumatic cylinder, a buffer is fixedly sleeved on the left side of the front surface of the buffer mounting seat, and the back surface of the buffer penetrates through the buffer mounting seat, extends to the rear of the buffer mounting seat, and is fixedly connected to the front surface of the mounting seat.

As a preferable technical solution of the present invention, the first rotating shaft is fixedly installed on the left side of the back surface of the electric actuator, and the connecting member is fixedly installed on the right side of the back surface of the slider, so that the movable rod can be prevented from being damaged by pressing the first connecting block after moving due to the arrangement of the first return spring.

As a preferred technical scheme of the present invention, the connecting member includes a fixed plate, a back surface of the fixed plate is fixedly connected to a front surface of the slider, a fixed sleeve is fixedly mounted at a left end of the fixed plate, a first return spring is fixedly connected to a right side of an inner cavity of the fixed sleeve, a movable block is fixedly connected to the other end of the first return spring, an outer surface of the movable block is movably connected to a side wall of the inner cavity of the fixed sleeve, a movable rod is fixedly connected to a left end of the movable block, a left end of the movable rod penetrates through the fixed sleeve and extends to an outside of the fixed sleeve, and is fixedly connected with an arc block, an outer surface of the movable rod is movably connected to the fixed sleeve, and the arc block can better contact with the first connecting block and stably push the first connecting block.

As a preferred technical scheme of the present invention, a second connecting block is movably sleeved on an outer surface of the first rotating shaft, a first connecting block is fixedly connected to a top of the second connecting block, a top of a right side of the first connecting block is movably connected to a left end of the arc block, metal blocks are fixedly connected to a front side and a bottom of the second connecting block, and due to the arrangement of the metal blocks, the electrical connection between the incoming line and the outgoing line can be realized through the first metal sleeve and the second metal sleeve.

As a preferred technical solution of the present invention, a first metal sleeve located in front of the metal block is movably sleeved on an outer surface of the first rotating shaft, a back surface of the first metal sleeve is electrically connected to a front surface of the metal block, and a right end of the first metal sleeve is electrically connected to the access line.

As a preferred technical scheme of the utility model, the bottom of the right end of the second connecting block is fixedly connected with a second return spring, the right end of the second return spring is fixedly connected with a spring baffle, the back of the spring baffle is fixedly connected with the front of the base, and the first connecting block can realize the return movement under the driving of the second connecting block due to the arrangement of the second return spring by extruding the second connecting block and the spring baffle.

As a preferred technical solution of the present invention, the front surface of the base is fixedly connected with a second rotating shaft located on the right side of the metal block, the outer surface of the second rotating shaft is movably sleeved with a second metal sleeve, the left end of the second metal sleeve is movably connected with the right end of the metal block, the right end of the second metal sleeve is electrically connected with a wire, and the wire can be ensured to rotate around the second rotating shaft and can be stably connected with the metal block due to the arrangement of the second metal sleeve.

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

1. according to the utility model, by arranging the first pneumatic cylinder, the fixed clamping jaw, the movable clamping jaw and the buffer mounting seat, when the electric actuator drives the fixed block to move through the sliding block, the first pneumatic cylinder can be moved to a required position through the supporting block, the mounting seat and the first adapter plate can be moved to the required position through the ground wire connecting plate due to the movement of the first pneumatic cylinder, the fixed clamping jaw and the movable clamping jaw can be moved to the required position after the mounting seat and the first adapter plate are moved, at the moment, the fixed clamping jaw and the movable clamping jaw can be lifted to the front side and the rear side of the PIN needle through the ground wire connecting plate, the mounting seat and the first adapter plate by starting the first pneumatic cylinder, then the movable clamping jaw can be moved through the first adapter plate by starting the second pneumatic cylinder, and further, the PIN needle is clamped through the fixed clamping jaw and the movable clamping jaw, so that the PIN needle can be clamped through the fixed clamping jaw and the movable clamping jaw, The movable clamping jaw, the mounting seat, the first adapter plate and the ground wire connecting plate are electrically connected with the ground wire connecting sheet, and the aim of grounding through the PIN needle is fulfilled.

2. According to the utility model, by arranging the sliding block, the fixed sleeve, the first connecting block, the metal block, the first metal sleeve, the incoming wire, the second metal sleeve and the outgoing wire, when the sliding block moves, the fixed block can be driven to move to a required position while moving, and the fixed block can drive the arc block to move to the required position and push the first connecting block through the fixed sleeve, the first return spring, the movable block and the movable rod due to the movement of the fixed plate, after the first connecting block is pushed, the metal block can be driven to rotate around the first rotating shaft through the second connecting block, and after the metal block rotates to the required position, the metal block can be contacted with the second metal sleeve, so that the incoming wire is connected with the outgoing wire through the first metal sleeve, the metal block and the second metal sleeve, and the function of automatically connecting the circuit is realized.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a front view of the present invention;

FIG. 3 is a schematic view of a portion of the backside of the present invention;

fig. 4 is a schematic cross-sectional view of the fixing cover of the present invention;

FIG. 5 is an enlarged view of a portion of the structure of FIG. 2 at A;

FIG. 6 is a schematic view of a portion of the enlarged structure at B in FIG. 2;

fig. 7 is a partially enlarged structural view at C in fig. 3.

In the figure: 1. a base; 2. an electric actuator; 3. a slider; 4. a fixed block; 5. a support block; 6. a first pneumatic cylinder; 7. a ground wire connecting plate; 8. a ground wire connecting sheet; 9. a mounting seat; 10. a first transfer plate; 11. fixing the clamping jaw; 12. a connecting member; 121. a fixing plate; 122. fixing a sleeve; 123. a first return spring; 124. a movable block; 125. a movable rod; 126. an arc block; 13. a second pneumatic cylinder; 14. a second adapter plate; 15. a movable clamping jaw; 16. a wire is connected; 17. a bumper mount; 18. a buffer; 19. a first connection block; 20. a second connecting block; 21. a metal block; 22. a first rotating shaft; 23. a first metal sleeve; 24. an access line; 25. a second return spring; 26. a spring baffle; 27. a second rotating shaft; 28. a second metal sleeve.

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.

As shown in fig. 1 to 7, the utility model provides an automatic grounding assembly for a TIG welding chuck, comprising a base 1, wherein an electric actuator 2 is fixedly installed on the top of the base 1, a slide block 3 is movably connected on the top of the electric actuator 2, a fixed block 4 is fixedly connected on the top of the slide block 3, a supporting block 5 is fixedly installed on the top of the fixed block 4, a first pneumatic cylinder 6 is fixedly installed on the front surface of the supporting block 5, the first pneumatic cylinder 6 and a second pneumatic cylinder 13 are both existing devices, the types of the first pneumatic cylinder 6 and the second pneumatic cylinder 13 are both suitable for SAT8-4DCFT-3GCJSD series, a ground wire connecting plate 7 is fixedly installed on the top and the front surface of the first pneumatic cylinder 6, a ground wire connecting plate 8 is fixedly installed on the back surface of the top of the ground wire connecting plate 7, a mounting seat 9 is fixedly installed on the left side of the ground wire connecting plate 7, a first adapter plate 10 positioned right in front of the ground wire connecting plate 7 is fixedly installed on the top of the mounting seat 9, fixed clamping jaw 11 is fixedly mounted at the top of first adaptor plate 10, and bottom fixed mounting on first adaptor plate 10 right side has the second pneumatic cylinder 13 that is located ground wire connecting plate 7 the place ahead, and the top fixed mounting of second pneumatic cylinder 13 has the second adaptor plate 14 that is located between ground wire connecting plate 7 and first adaptor plate 10, and the top fixed mounting of second adaptor plate 14 has the movable clamping jaw 15 that is located the fixed clamping jaw 11 back, the front of movable clamping jaw 15 and the back swing joint of fixed clamping jaw 11.

Wherein, the positive fixed mounting of second pneumatic cylinder 13 has buffer mount pad 17, and the fixed cover in the positive left side of buffer mount pad 17 has connect buffer 18, and the back of buffer 18 runs through buffer mount pad 17 and extends to the rear of buffer mount pad 17 and with the positive fixed connection of mount pad 9, because the setting of buffer 18 then can reduce the harm degree to the body when striking.

The first rotating shaft 22 is fixedly mounted on the left side of the back surface of the electric actuator 2, the connecting part 12 is fixedly mounted on the right side of the back surface of the slider 3, and the movable rod 125 can be prevented from being damaged due to extrusion of the first connecting block 19 after moving due to the arrangement of the first return spring 123.

Wherein, adapting unit 12 is including fixed plate 121, the fixed plate 121 back and the positive fixed connection of slider 3, the left end fixed mounting of fixed plate 121 has fixed cover 122, the first reset spring 123 of the right side fixedly connected with of fixed cover 122 inner chamber, the other end fixedly connected with movable block 124 of first reset spring 123, the surface of movable block 124 and the lateral wall swing joint of fixed cover 122 inner chamber, the left end fixedly connected with movable rod 125 of movable block 124, the left end of movable rod 125 runs through fixed cover 122 and extends to outside and the fixedly connected with arc piece 126 of fixed cover 122, the surface and the fixed cover 122 swing joint of movable rod 125, because setting up of arc piece 126 then can be better with first connecting block 19 contact and stably promote first connecting block 19.

Wherein, the surface activity of first pivot 22 has cup jointed second connecting block 20, the first connecting block 19 of top fixedly connected with of second connecting block 20, the top on first connecting block 19 right side and the left end swing joint of arc piece 126, the equal fixedly connected with metal block 21 in front and bottom of second connecting block 20, because the setting of metal block 21 then can realize the electric connection between incoming line 24 and the outgoing line 16 through first metal covering 23 and second metal covering 28.

Wherein, the surface activity of first pivot 22 is cup jointed the first metal covering 23 that is located the metal block 21 the place ahead, the back of first metal covering 23 and the front electric connection of metal block 21, the right-hand member electric connection of first metal covering 23 has access line 24, because the setting of first metal covering 23 then can ensure access line 24 can rotate round first pivot 22 and can realize and metal block 21 between the stable connection.

Wherein, the bottom fixedly connected with second reset spring 25 of second connecting block 20 right-hand member, the right-hand member fixedly connected with spring baffle 26 of second reset spring 25, the back of spring baffle 26 and base 1's positive fixed connection, because setting up of second reset spring 25 then can make first connecting block 19 can realize doing the removal that resets under the drive of second connecting block 20 through extrusion second connecting block 20 and spring baffle 26.

Wherein, the front fixedly connected with of base 1 is located the second pivot 27 on metal block 21 right side, and the surface activity of second pivot 27 has cup jointed second metal covering 28, the left end of second metal covering 28 and the right-hand member swing joint of metal block 21, and the right-hand member electric connection of second metal covering 28 has outlet line 16, because the setting of second metal covering 28 then can ensure that outlet line 16 can rotate round second pivot 27 and can realize and the metal block 21 between the stable connection.

The working principle and the using process of the utility model are as follows:

when the device is required to clamp a PIN needle, firstly, the electric actuator 2 is opened, after the electric actuator 2 runs, the sliding block 3 drives the fixing block 4 to move, the first air cylinder 6 is driven to move through the supporting block 5 due to the movement of the fixing block 4, after the first air cylinder 6 moves to a required position, the mounting seat 9 and the first adapter plate 10 are moved through the ground wire connecting plate 7, the mounting seat 9 and the first adapter plate 10 move to the required position after moving, the fixing clamping jaw 11 and the movable clamping jaw 15 are lifted to the front side and the rear side of the PIN needle when the first air cylinder 6 is started, the mounting seat 9 and the first adapter plate 10 are lifted to a proper height through the ground wire connecting plate 7, after the mounting seat 9 and the first adapter plate 10 are lifted, the fixing clamping jaw 11 and the movable clamping jaw 15 are lifted to the front side and the rear side of the PIN needle, and when the second air cylinder 13 is started under the condition that the fixing clamping jaw 11 is stably installed, the movable clamping jaw 15 can be advanced into the PIN needle through the first adapter plate 10 The mobile phone is moved, so that the function of clamping the PIN needle through the fixed clamping jaw 11 and the movable clamping jaw 15 is realized, the PIN needle is electrically connected with the ground wire connecting sheet 8 through the fixed clamping jaw 11, the movable clamping jaw 15, the mounting seat 9, the first adapter plate 10 and the ground wire connecting plate 7, and the purpose of grounding through the PIN needle is realized.

When the automatic circuit connection is required, the fixing plate 121 is driven to move under the action of the slider 3, the first return spring 123 is driven to move by the movement of the fixing plate 121 through the fixing sleeve 122, the movable rod 125 is driven to move by the movable block 124 after the first return spring 123 moves, the first connecting block 19 is driven by the movement of the movable rod 125 through the arc block 126, meanwhile, the fixing sleeve 122 and the movable block 124 move towards each other and press the first return spring 123 to enable the first return spring 123 to have elastic force recovery performance, the metal block 21 is driven to rotate around the first rotating shaft 22 through the second connecting block 20 after the first connecting block 19 is driven, the metal block 21 contacts the second metal sleeve 28 after rotating to a required position, and the connection wire 24 is connected with the metal block 21 through the first metal sleeve 23, and the connection wire is connected between the metal block 21 and the connection wire 16 under the action of the second metal sleeve 28, further, the incoming line 24 and the outgoing line 16 can be connected to each other by a wire, thereby achieving a function of automatically turning on the circuit.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (8)

1. The utility model provides a TIG welding chuck is with automatic ground connection subassembly, includes base (1), its characterized in that: the electric actuator (2) is fixedly installed at the top of the base (1), a sliding block (3) is movably connected to the top of the electric actuator (2), a fixed block (4) is fixedly connected to the top of the sliding block (3), a supporting block (5) is fixedly installed at the top of the fixed block (4), a first air pressure cylinder (6) is fixedly installed on the front of the supporting block (5), ground wire connecting plates (7) are fixedly installed on the top and the front of the first air pressure cylinder (6), a ground wire connecting plate (8) is fixedly installed on the back of the top of the ground wire connecting plate (7), a mounting seat (9) is fixedly installed on the left side of the ground wire connecting plate (7), a first adapter plate (10) located right in front of the ground wire connecting plate (7) is fixedly installed at the top of the mounting seat (9), and a fixed clamping jaw (11) is fixedly installed at the top of the first adapter plate (10), bottom fixed mounting on first adapter plate (10) right side has second pneumatic cylinder (13) that is located ground wire connecting plate (7) the place ahead, the top fixed mounting of second pneumatic cylinder (13) has second adapter plate (14) that is located between ground wire connecting plate (7) and first adapter plate (10), the top fixed mounting of second adapter plate (14) has movable clamping jaw (15) that are located fixed clamping jaw (11) the back, the front of movable clamping jaw (15) and the back swing joint of fixed clamping jaw (11).

2. A TIG welding chuck is with automatic ground subassembly of claim 1, characterized by: the front fixed mounting of second pneumatic cylinder (13) has buffer mount pad (17), buffer (18) have been cup jointed to the fixed left side in buffer mount pad (17) front, the back of buffer (18) runs through buffer mount pad (17) and extends to the rear of buffer mount pad (17) and with the front fixed connection of mount pad (9).

3. A TIG welding chuck is with automatic ground subassembly of claim 1, characterized by: the left side of the back of the electric actuator (2) is fixedly provided with a first rotating shaft (22), and the right side of the back of the sliding block (3) is fixedly provided with a connecting part (12).

4. A TIG welding chuck used automatic grounding assembly according to claim 3, characterized in that: adapting unit (12) is including fixed plate (121), the positive fixed connection of fixed plate (121) back and slider (3), the left end fixed mounting of fixed plate (121) has fixed cover (122), the first reset spring (123) of right side fixedly connected with of fixed cover (122) inner chamber, the other end fixedly connected with movable block (124) of first reset spring (123), the surface of movable block (124) and the lateral wall swing joint of fixed cover (122) inner chamber, the left end fixedly connected with movable rod (125) of movable block (124), the left end of movable rod (125) runs through fixed cover (122) and extends to outside and the fixedly connected with arc piece (126) of fixed cover (122), the surface and the fixed cover (122) swing joint of movable rod (125).

5. A TIG welding chuck used automatic grounding assembly according to claim 3, characterized in that: the outer surface activity of first pivot (22) has cup jointed second connecting block (20), the first connecting block (19) of top fixedly connected with of second connecting block (20), the top on first connecting block (19) right side and the left end swing joint of arc piece (126), the equal fixedly connected with metal block (21) in front and the bottom of second connecting block (20).

6. A TIG welding chuck used automatic grounding assembly according to claim 3, characterized in that: the outer surface activity of first pivot (22) is cup jointed and is located first metal covering (23) in metal block (21) the place ahead, the back of first metal covering (23) and the front electric connection of metal block (21), the right-hand member electric connection of first metal covering (23) has access line (24).

7. A TIG welding chuck use automatic grounding assembly according to claim 5, characterized by: the bottom fixedly connected with second reset spring (25) of second connecting block (20) right-hand member, the right-hand member fixedly connected with spring baffle (26) of second reset spring (25), the back of spring baffle (26) and the front fixed connection of base (1).

8. A TIG welding chuck is with automatic ground subassembly of claim 1, characterized by: the front fixedly connected with of base (1) is located second pivot (27) on metal block (21) right side, the surface activity of second pivot (27) has cup jointed second metal covering (28), the left end of second metal covering (28) and the right-hand member swing joint of metal block (21), the right-hand member electric connection of second metal covering (28) has outlet wire (16).

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