Quick connection structure for quick connection of welding gun

Abstract

The utility model discloses a quick connection structure for quick connection of a welding gun, which belongs to the technical field of structural design and comprises an upper plate and a lower plate. A positioning rod is fixedly installed at the bottom of the upper plate, a positioning groove is formed in the top of the lower plate, and the positioning rod is connected with the positioning groove in an inserted mode. A plurality of plugs connected with a circuit are fixedly mounted at the bottom of the upper plate, and a jack electrically connected with a welding gun is formed in the top of the lower plate; the welding guns on the upper plate and the lower plate are electrically connected through the plugs and the jacks; a plurality of insertion pipes communicated with a gas path are fixedly mounted at the bottom of the upper plate, insertion grooves communicated with a welding gun gas path are formed in the top of the lower plate, and the insertion pipes are connected with the insertion grooves in an inserted mode; fixing assemblies are mounted at the bottom of the upper plate and in the middle of the lower plate; dustproof assemblies are installed at the bottom of the upper plate and the upper side edge of the lower plate. By means of the mode, when the upper plate and the lower plate are not connected, the dustproof assembly blocks the inserting groove, when the upper plate and the lower plate are in butt joint, the dustproof assembly does not block the inserting groove any more, and sundries are prevented from falling into the inserting groove to block the inserting groove.

Description

Technical Field

[0001] The utility model relates to the technical field of structural design, and particularly relates to a quick connection structure for a welding torch for quick connection. Background Art

[0002] To meet the requirements of automated production, a mechanical moving arm is often used to drive a welding torch to move during welding, and different welding torches are required for welding different workpieces; in order to make it more convenient for the mechanical moving arm to replace the welding torch, a quick connection device is installed between the moving end of the mechanical moving arm and the welding torch, and the moving arm and the welding torch are fixed and connected through the quick connection device.

[0003] For example, Chinese Patent CN107097257B discloses a switching plate. After docking, the gas path on the upper plate is connected to the gas path on the lower plate, and the circuit on the upper plate is connected to the circuit on the lower plate. The upper plate and the lower plate are fixed through a locking ring and steel balls.

[0004] However, in actual use, a moving arm controls multiple welding torches. The gas paths at the tops of some currently unused welding torches are exposed, and there is a situation where dust and debris fall into the gas paths of the welding torches.

[0005] Based on this, the utility model designs a quick connection structure for a welding torch to solve the above problems. Content of the Utility Model

[0006] Aiming at the above-mentioned shortcomings of the prior art, the utility model provides a quick connection structure for a welding torch for quick connection.

[0007] To achieve the above object, the utility model is realized through the following technical solutions:

[0008] A quick connection structure for a welding torch for quick connection, comprising an upper plate fixedly connected to a robot moving arm and a lower plate with a welding torch fixedly installed at the bottom;

[0009] A positioning rod is fixedly installed at the bottom of the upper plate, a positioning groove is opened at the top of the lower plate, and the positioning rod is inserted into the positioning groove;

[0010] A plurality of plugs connected to the circuit are fixedly installed at the bottom of the upper plate, and jacks electrically connected to the welding torch are opened at the top of the lower plate; the plugs are inserted into the jacks, and the welding torch on the upper plate and the lower plate are electrically connected through the plugs and the jacks;

[0011] A plurality of inserting pipes communicating with the gas path are fixedly installed at the bottom of the upper plate, and slots communicating with the gas path of the welding torch are opened at the top of the lower plate, and the inserting pipes are inserted into the slots;

[0012] A fixing component is installed at the bottom of the upper plate and the middle part of the lower plate; a dust-proof component is installed at the bottom of the upper plate and the upper side edge of the lower plate.

[0013] Furthermore, the dust-proof component includes a shielding component and an opening / closing component. The shielding component is installed on the upper side of the lower plate, and the opening / closing component is installed on the side of the shielding component and the bottom of the upper plate.

[0014] Furthermore, the shielding component includes a moving groove, a baffle, and a slot hole. A moving groove is formed in the upper side edge of the lower plate. A baffle is installed in the moving groove in a limited sliding manner. A slot hole is formed in the baffle. The size of the slot hole is the same as that of the insertion slot, and the slot hole is located above the insertion slot.

[0015] Furthermore, the opening / closing component includes a trapezoidal block, a sliding groove, a spring, and an upward pushing block. A trapezoidal block is fixedly installed on the side of the baffle. A sliding groove is formed in the upper side of the lower plate. The trapezoidal block is connected with the sliding groove in a limited sliding manner; a spring is fixedly installed between the side wall of the trapezoidal block and the side wall of the sliding groove; an upward pushing block is fixedly installed on the bottom of the upper plate. The upper inclined surface of the trapezoidal block is in sliding connection with the upward pushing block in a fitting manner.

[0016] Furthermore, a guiding surface facilitating the fitting sliding with the trapezoidal block is provided at the bottom of the upward pushing block.

[0017] Furthermore, the fixing component includes a driving component and a fastening component. The driving component is installed on the bottom of the upper plate, and the fastening component is installed on the bottom of the upper plate and the middle part of the lower plate.

[0018] Furthermore, the driving component includes a push rod and a pushing block. The push rod is fixedly installed in the middle of the upper plate, and a pushing block is fixedly installed at the output end of the push rod.

[0019] Furthermore, the fastening component includes a mounting block, a moving groove, a ball, a receiving groove, and a fixing groove. An annular mounting block is fixedly installed on the bottom of the upper plate. The inner size of the mounting block is the same as that of the pushing block; a plurality of moving grooves are formed in the mounting block at equal intervals in a circumferential array. A ball is installed in the moving groove in a rolling manner; the pushing block is in rolling connection with the ball; an annular receiving groove is formed in the middle part of the lower plate; the size of the receiving groove is the same as the outer size of the mounting block; the mounting block is inserted into the receiving groove; a fixing groove is formed in the inner side of the receiving groove, and the fixing groove is in clamping connection with the ball.

[0020] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0021] When the upper plate and the lower plate are not connected, the dust-proof component blocks the slot to prevent sundries from falling into the slot and causing blockage; the robot moving arm fixedly installed with the upper plate drives the upper plate to move to the upper side of the lower plate, aligns the positioning rod at the bottom of the upper plate with the positioning groove at the top of the lower plate, presses down the upper plate to insert the positioning rod into the plug, and positions the upper plate and the lower plate through the positioning rod and the plug; during this process, the upper plate drives the dust-proof component to move, so that the dust-proof component no longer blocks the slot, and the plug at the bottom of the upper plate is inserted into the jack at the top of the lower plate, and the insertion tube at the bottom of the upper plate is inserted into the slot at the top of the lower plate, thereby connecting the welding torch at the bottom of the lower plate with the circuit and air circuit of the upper plate; the upper plate and the lower plate are fixed by the fixing component, thus completing the rapid connection of the welding torch at the bottom of the upper plate and the lower plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention, and those of ordinary skill in the art can obtain other drawings based on these drawings without creative efforts.

[0023] Figure 1 Stereogram of a quick connection structure for rapid connection of a welding torch according to the present invention Figure 1 ;

[0024] Figure 2 Front view of a quick connection structure for rapid connection of a welding torch according to the present invention;

[0025] Figure 3 Front sectional view of a quick connection structure for rapid connection of a welding torch according to the present invention;

[0026] Figure 4 Schematic diagram of the lower plate and its connection structure;

[0027] Figure 5 Schematic diagram of the upper plate and its connection structure;

[0028] Figure 6 Schematic diagram of the baffle plate and its connection structure.

[0029] The reference numerals in the drawings respectively represent:

[0030] 1. Upper plate; 11. Positioning rod; 12. Plug; 13. Insertion tube; 2. Lower plate; 21. Positioning groove; 22. Jack; 23. Slot; 3. Fixing component; 31. Push rod; 32. Push block; 33. Mounting block; 34. Moving groove; 35. Ball; 36. Receiving groove; 37. Fixing groove; 6. Dust-proof component; 61. Shielding component; 611. Moving groove; 612. Baffle; 613. Slot hole; 62. Opening and closing component; 621. Trapezoidal block; 622. Sliding groove; 623. Spring; 624. Upper push block. Detailed implementation manners

[0031] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0032] The "left", "right", "front", "rear", "upper" and "lower" mentioned in the following description are oriented in the perspective direction of the front view.

[0033] Embodiment 1

[0034] In some embodiments, please refer to the attached drawings of the specification Figures 1-5 , a quick connection structure for a welding torch, including an upper plate 1 fixedly connected to a robot moving arm and a lower plate 2 fixedly installed with a welding torch at the bottom;

[0035] A positioning rod 11 is fixedly installed at the bottom of the upper plate 1, and a positioning groove 21 is formed at the top of the lower plate 2. The positioning rod 11 is inserted into the positioning groove 21;

[0036] A plurality of plugs 12 connected to the circuit are fixedly installed at the bottom of the upper plate 1, and jacks 22 electrically connected to the welding torch are formed at the top of the lower plate 2; the plugs 12 are inserted into the jacks 22, and the welding torch on the upper plate 1 and the lower plate 2 is electrically connected through the plugs 12 and the jacks 22;

[0037] A plurality of insertion tubes 13 communicating with the air path are fixedly installed at the bottom of the upper plate 1, and slots 23 communicating with the air path of the welding torch are formed at the top of the lower plate 2. The insertion tubes 13 are inserted into the slots 23;

[0038] A fixing component 3 is installed at the bottom of the upper plate 1 and the middle part of the lower plate 2; a dust-proof component 6 is installed at the bottom of the upper plate 1 and the upper side edge of the lower plate 2.

[0039] In this embodiment, when the quick-connection structure of the welding torch is working properly, when the upper plate 1 and the lower plate 2 are not connected, the dust-proof component 6 blocks the slot 23 to prevent sundries from falling into the slot 23 and causing blockage of the slot 23; the robot moving arm fixedly installed with the upper plate 1 drives the upper plate 1 to move to the upper side of the lower plate 2, aligns the positioning rod 11 at the bottom of the upper plate 1 with the positioning groove 21 at the top of the lower plate 2, presses down the upper plate 1 to insert the positioning rod 11 into the plug 12, and positions the upper plate 1 and the lower plate 2 through the positioning rod 11 and the plug 12; during this process, the upper plate 1 drives the dust-proof component 6 to move, so that the dust-proof component 6 no longer blocks the slot 23, and the plug 12 at the bottom of the upper plate 1 is inserted into the jack 22 at the top of the lower plate 2, and the insertion tube 13 at the bottom of the upper plate 1 is inserted into the slot 23 at the top of the lower plate 2, thereby connecting the welding torch at the bottom of the lower plate 2 with the circuit and gas path of the upper plate 1; the upper plate 1 and the lower plate 2 are fixed by the fixing component 3, thus completing the quick connection of the welding torch at the bottom of the upper plate 1 and the lower plate 2.

[0040] Embodiment Two

[0041] In some embodiments, as Figures 1-6 shown, as a preferred embodiment of the present invention, the dust-proof component 6 includes a shielding component 61 and an opening and closing component 62. The shielding component 61 is installed on the upper side of the lower plate 2, and the opening and closing component 62 is installed on the side of the shielding component 61 and the bottom of the upper plate 1;

[0042] The shielding component 61 includes a moving groove 611, a baffle 612, and a slot hole 613. A moving groove 611 is formed in the upper side edge of the lower plate 2. A baffle 612 is installed in the moving groove 611 in a limited sliding manner. A slot hole 613 is formed in the baffle 612. The size of the slot hole 613 is the same as that of the slot 23, and the slot hole 613 is located above the slot 23;

[0043] The opening and closing component 62 includes a trapezoidal block 621, a sliding groove 622, a spring 623, and an upward pushing block 624. The trapezoidal block 621 is fixedly installed on the side of the baffle 612. A sliding groove 622 is formed in the upper side of the lower plate 2. The trapezoidal block 621 is connected with the sliding groove 622 in a limited sliding manner; a spring 623 is fixedly installed between the side wall of the trapezoidal block 621 and the side wall of the sliding groove 622; the upward pushing block 624 is fixedly installed at the bottom of the upper plate 1, and the upper inclined surface of the trapezoidal block 621 is in sliding connection with the upward pushing block 624 in a fitting manner;

[0044] The bottom of the upward pushing block 624 is provided with a guiding surface for facilitating the sliding connection with the trapezoidal block 621 in a fitting manner.

[0045] The fixing component 3 includes a driving component and a fastening component. The driving component is installed at the bottom of the upper plate 1, and the fastening component is installed at the bottom of the upper plate 1 and the middle part of the lower plate 2;

[0046] The driving component includes a push rod 31 and a push block 32. The push rod 31 is fixedly installed in the middle of the upper plate 1, and the output end of the push rod 31 is fixedly installed with the push block 32.

[0047] The fastening component includes a mounting block 33, a movable groove 34, a ball 35, a receiving groove 36 and a fixing groove 37. An annular mounting block 33 is fixedly installed at the bottom of the upper plate 1, and the inner size of the mounting block 33 is the same as the size of the push block 32; a plurality of movable grooves 34 are equidistantly arranged in a circumferential array on the mounting block 33, and balls 35 are rotatably installed in the movable grooves 34; the push block 32 is in rolling connection with the balls 35; a circular receiving groove 36 is provided in the middle of the lower plate 2; the size of the receiving groove 36 is consistent with the outer size of the mounting block 33; the mounting block 33 is inserted into the receiving groove 36; a fixing groove 37 is provided inside the receiving groove 36, and the fixing groove 37 is engaged with the balls 35.

[0048] In this embodiment, when the dust-proof component 6 and the fixing component 3 are working properly, when the upper plate 1 and the lower plate 2 are not connected, the slot hole 613 on the upper side of the baffle 612 is misaligned with the slot 23 on the lower plate 2, and the baffle 612 blocks sundries from falling into the slot 23; when the upper plate 1 moves downward, it drives the upper push block 624 to move downward and contact the inclined surface of the trapezoidal block 621. The upper push block 624 pushes the trapezoidal block 621 to move through the inclined surface of the trapezoidal block 621. The trapezoidal block 621 moves horizontally under the limiting action of the sliding groove 622, thereby driving the baffle 612 to move horizontally in the moving groove 611 until the upper push block 624 contacts the top surface of the trapezoidal block 621, so that the slot hole 613 on the baffle 612 is aligned with the slot 23 on the lower plate 2, thus not blocking the insertion of the insertion tube 13 into the slot 23, and the spring 623 is compressed; the upper plate 1 drives the insertion tube 13 to continue to move downward, so that the insertion tube 13 is inserted into the slot 23. During this process, the upper push block 624 fits and slides with the side wall of the trapezoidal block 621; until the plug 12 is inserted into the jack 22, the insertion tube 13 is inserted into the slot 23, and the mounting block 33 is inserted into the receiving groove 36, the docking of the upper plate 1 and the lower plate 2 is completed; the push rod 31 pushes the push block 32 to move, and the push block 32 moves downward to push the balls 35 in the movable groove 34 on the mounting block 33 into the fixing groove 37 on the receiving groove 36, and the upper plate 1 and the lower plate 2 are fixed by the balls 35, the fixing groove 37 and the movable groove 34.

[0049] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A quick-connect structure for a welding gun, comprising an upper plate (1) fixedly connected to a robot moving arm and a lower plate (2) with a welding gun fixedly mounted at the bottom, characterized in that: A positioning rod (11) is fixedly mounted on the bottom of the upper plate (1), a positioning groove (21) is provided on the top of the lower plate (2), and the positioning rod (11) is plugged into the positioning groove (21); A plurality of plugs (12) connected to the circuit are fixedly mounted on the bottom of the upper plate (1), and a socket (22) electrically connected to the welding gun is provided on the top of the lower plate (2); the plugs (12) are plugged into the socket (22), and the welding guns on the upper plate (1) and the lower plate (2) are electrically connected via the plugs (12) and the socket (22); A plurality of inserting tubes (13) communicating with the gas path are fixedly mounted on the bottom of the upper plate (1), a slot (23) communicating with the gas path of the welding gun is provided on the top of the lower plate (2), and the inserting tubes (13) are plugged into the slot (23); A fixing component (3) is installed at the bottom of the upper plate (1) and the middle of the lower plate (2); and a dustproof component (6) is installed at the bottom of the upper plate (1) and the upper edge of the lower plate (2).

2. The quick-connect structure for welding gun quick connection according to claim 1, characterized in that: The dustproof component (6) comprises a shielding component (61) and an opening and closing component (62); the shielding component (61) is mounted on the upper side of the lower plate (2); and the opening and closing component (62) is mounted on the side of the shielding component (61) and the bottom of the upper plate (1).

3. The quick-connect structure for welding gun quick connection according to claim 2, characterized in that: The shielding assembly (61) comprises a movable groove (611), a baffle (612) and a slot hole (613); the upper edge of the lower plate (2) is provided with a movable groove (611); a baffle (612) is installed in the movable groove (611) in a limited sliding manner; the baffle (612) is provided with a slot hole (613); the size of the slot hole (613) is consistent with the size of the slot (23), and the slot hole (613) is located on the upper side of the slot (23).

4. The quick-connect structure for welding gun quick connection according to claim 3, characterized in that: The opening and closing assembly (62) comprises a trapezoidal block (621), a slide groove (622), a spring (623) and an upper push block (624); the trapezoidal block (621) is fixedly installed on the side of the baffle (612); a slide groove (622) is provided on the upper side of the lower plate (2); the trapezoidal block (621) and the slide groove (622) are limitedly slidably connected; a spring (623) is fixedly installed between the side wall of the trapezoidal block (621) and the side wall of the slide groove (622); the upper push block (624) is fixedly installed on the bottom of the upper plate (1); the upper inclined surface of the trapezoidal block (621) is fitted and slidably connected with the upper push block (624).

5. The quick-connect structure for welding gun quick connection according to claim 4, characterized in that: The bottom of the push-up block (624) is provided with a guide surface for easy sliding fit with the trapezoidal block (621).

6. The quick-connect structure for welding gun quick connection according to claim 5, characterized in that: The fixing assembly (3) comprises a driving assembly and a fastening assembly, wherein the driving assembly is mounted on the bottom of the upper plate (1), and the fastening assembly is mounted on the bottom of the upper plate (1) and the middle of the lower plate (2).

7. The quick-connect structure for welding gun quick connection according to claim 6, characterized in that: The driving assembly comprises a push rod (31) and a push block (32). The push rod (31) is fixedly mounted on the middle part of the upper plate (1), and the push block (32) is fixedly mounted on the output end of the push rod (31).

8. The quick-connect structure for welding gun quick connection according to claim 7, characterized in that: The fastening assembly comprises a mounting block (33), a movable groove (34), a ball (35), a receiving groove (36) and a fixed groove (37); an annular mounting block (33) is fixedly mounted on the bottom of the upper plate (1); the inner size of the mounting block (33) is the same as the size of the push block (32); a plurality of movable grooves (34) are arranged on the mounting block (33) at equal intervals in a circular array; balls (35) are rollingly mounted in the movable grooves (34); the push block (32) and the ball (35) are rollingly connected; an annular receiving groove (36) is arranged in the middle of the lower plate (2); the size of the receiving groove (36) is the same as the outer size of the mounting block (33); the mounting block (33) and the receiving groove (36) are plugged; a fixed groove (37) is arranged on the inner side of the receiving groove (36); the fixed groove (37) and the ball (35) are clamped.

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