Automatic welding device for forging parts

Abstract

The invention relates to the technical field of welding devices, and discloses an automatic forging part welding device which comprises a base. The conveying box is fixed on the base and is communicated with the cut tobacco storage box fixed on the base; the number of the steel wire rings is two, and the conveying rollers are connected with the transmission assembly. The output source drives the conveying roller to rotate so as to provide conveying force for the welding wire, when the conveying roller rotates, the conveying roller drives the two assembling rings to do reciprocating linear motion along the welding wire conveying route through the transmission assembly, the two steel wire rings can conduct reciprocating cleaning on the surface of the welding wire, impurities such as an oxidation film and rust on the surface of the welding wire can be removed, and the welding wire quality is improved. And impurities on the surfaces of the welding wires are cleaned while the conveying box supplies the wires automatically, so that the automatic welding quality of forging parts is improved, and the problems of defects such as air holes and slag inclusion in the welding process caused by impurities such as oxidation films and corrosion on the surfaces of the welding wires are solved.

Description

Technical Field

[0001] The invention relates to the technical field of welding devices, and in particular to an automatic welding device for forgings. Background Art

[0002] Develop and apply microcomputer automation control technology in welding equipment, such as CNC welding power supply, intelligent welding machine, fully automatic special welding machine and flexible welding robot workstation. The role of microcomputer control system in various automatic welding and cutting equipment is not only to control various welding parameters, but also to be able to automatically coordinate the actions of various components of the complete set of welding equipment to achieve unmanned operation, that is, to achieve CNC, automation and intelligence of welding production.

[0003] With the continuous expansion of the demand for automated welding and the increasingly higher quality requirements for welding products, in order to meet the demand for high-quality welding, the application of welding devices with wire feeding function is becoming more and more extensive. At present, there are some existing technologies that can automatically feed wire during welding, such as the patent publication number CN116140881A. Its main technical means is to detect the wire feeding speed of the welding wire through the set tightness detection device, adjust the speed of the follower device to drive the welding wire reel to rotate, and reduce the problem of more redundancy of welding wire between the welding wire reel and the wire feeding device, which causes the problem of messy welding wire. After analysis, the disadvantage of this technical solution is that the oxide film, rust and other impurities on the surface of the welding wire cannot be cleaned during the wire feeding process, which will cause defects such as pores and slag inclusions during the welding process, affecting the welding quality, reducing the stability of the welding process and the quality of the weld. Based on this, the present invention provides a forging automatic welding device with a simple and ingenious structure, which can automatically clean the impurities on the surface of the welding wire during the wire feeding process. Summary of the invention

[0004] The purpose of the present invention is to provide an automatic welding device for forgings to address the deficiencies of the prior art, so as to solve the technical problem that the oxide film, rust and other impurities on the surface of the welding wire cannot be cleaned during the wire feeding process, resulting in reduced welding effect.

[0005] The purpose of the present invention can be achieved through the following technical solutions: An automatic welding device for forgings, comprising: A base, on which a clamping piece for clamping the forged piece and a driving source for driving the clamping piece are arranged, and the base is also provided with a welding gun arranged toward the forged piece, and the welding gun is driven by the driving source; A conveying box, which is fixed on the base and communicated with a wire storage box fixed on the base, and the conveying box is used to output welding wire to the bottom of the welding gun; and There are two wire rings, and the two wire rings are respectively installed on two assembly rings. The assembly rings are slidably installed in a conveying box. A conveying roller for conveying welding wire is installed in the conveying box, and the conveying roller is driven to rotate by an output source. The conveying roller is connected to a transmission component. The welding wire passes through the central axis of the wire ring, and the wire ring contacts the welding wire. When the conveying roller rotates to convey the welding wire, the conveying roller drives the two assembly rings to perform reciprocating linear motion along the welding wire conveying route through the transmission component.

[0006] As a further solution of the present invention: the wire ring and the assembly ring are detachably connected.

[0007] As a further solution of the present invention: the number of the conveying rollers is multiple, and the transmission assembly includes: A half gear is rotatably mounted in a box body, and the box body is fixed in a conveying box, and the half gear rotates synchronously with a conveying roller through a belt; A rack ring is slidably mounted in the box body, and a plurality of tooth blocks are arranged on the inner walls on both sides of the rack ring, the tooth blocks are meshed with the half gears, and the rack ring is located between the two assembly rings; and Connecting rod, the two connecting rods are respectively arranged on both sides of the rack ring, and the two ends of the connecting rod are respectively rotatably connected to the first connecting block and the second connecting block, the two first connecting blocks are fixedly connected to the rack ring, and the two second connecting blocks are respectively fixedly connected to the two assembly rings.

[0008] As a further solution of the present invention: the transmission assembly also includes two slide rails fixed in the conveying box, the extension direction of the slide rails is the conveying direction of the welding wire, and the two slide rails are respectively slidably matched with the two second connecting blocks.

[0009] As a further solution of the present invention: a positioning ring is arranged between the two assembly rings, the positioning ring is installed on the inner wall of the conveying box, and a wiping cotton in contact with the welding wire is installed inside the positioning ring.

[0010] As a further solution of the present invention: the wiping cotton and the positioning ring are detachably connected.

[0011] As a further solution of the present invention: the positioning ring is rotatably installed on the inner wall of the conveying box, and is connected to the rotating component, and the rotating component is connected to the assembling ring; when the assembling ring performs reciprocating linear motion, the assembling ring drives the positioning ring to rotate around the center axis of the welding wire through the transmission component and the rotating component.

[0012] As a further solution of the present invention: the rotating assembly includes a meshing gear and a rack, the gear is coaxially fixedly connected to the positioning ring, the rack is connected to the assembly ring, and the rack is slidably installed on the inner wall of the conveying box; when the assembly ring performs reciprocating linear motion, the rack performs reciprocating lifting and lowering, thereby driving the gear to rotate reciprocatingly.

[0013] As a further solution of the present invention: the positioning ring and the limiting ring are slidably matched and the two are coaxially arranged. The limiting ring is fixed on the inner wall of the conveying box and is provided with a plurality of locking blocks that fit with the side edges of the wiping cotton.

[0014] As a further solution of the present invention: a liquid storage tank is fixed on the engaging block, and the liquid storage tank is connected to the spray head, and the spray head is arranged toward the wiping cotton cloth.

[0015] Beneficial effects of the present invention: (1) In the present invention, the driving source drives the clamping member to clamp the forged part, and the welding wire output from the wire storage box passes through the conveying box and reaches the bottom of the welding gun and contacts the forged part, and then the driving source drives the welding gun to weld; in this process, the output source drives the conveying roller to rotate to provide conveying force for the welding wire. When the conveying roller rotates, the conveying roller drives the two assembly rings to perform reciprocating linear motion along the welding wire conveying route through the transmission component, so that the two wire rings can reciprocate and clean the surface of the welding wire, and can remove impurities such as oxide film and rust on the surface of the welding wire, so that the conveying box can automatically supply wire while cleaning impurities on the surface of the welding wire, ensuring that the surface of the welding wire output by the conveying box is clean, thereby improving the quality of automatic welding of forged parts, avoiding impurities such as oxide film and rust on the surface of the welding wire, and causing defects such as pores and slag inclusions during welding; (2) In the present invention, when the conveying roller rotates, it drives the two assembly rings to perform reciprocating linear motion along the welding wire conveying route. At the same time, when the two assembly rings reciprocate, they can drive the wiping cotton to rotate on the surface of the welding wire, thereby further cleaning the surface of the welding wire; (3) In the present invention, the cleaning liquid in the liquid storage tank is sprayed onto the wiping cotton by a nozzle, so that the wiping cotton can clean the impurities such as oil stains on the surface of the welding wire, thereby improving the cleanliness of the welding wire surface and further improving the welding quality of the forging. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of the conveying box in the present invention; Figure 3 It is a structural schematic diagram of the transmission assembly in the present invention; Figure 4 It is a schematic diagram of the structure of the rack ring in the present invention; Figure 5 It is a structural schematic diagram of the positioning ring in the present invention; Figure 6 It is a structural schematic diagram of the rotating assembly in the present invention.

[0018] In the figure: 1. base; 2. clamping part; 3. welding gun; 4. conveying box; 5. wire storage box; 6. conveying roller; 7. transmission assembly; 701. half gear; 702. belt; 703. rack ring; 704. first connecting block; 705. second connecting block; 706. connecting rod; 707. slide rail; 708. box body; 8. wire ring; 9. assembly ring; 10. rotating assembly; 1001. gear; 1002. rack; 1003. slider; 11. wiping cotton; 12. positioning ring; 13. limit ring; 14. snap block; 15. nozzle; 16. liquid storage tank. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 3 As shown, the present invention is an automatic welding device for forgings, comprising: A base 1, on which a clamping member 2 for clamping a forged piece and a driving source for driving the clamping member 2 are arranged, and the base 1 is also provided with a welding gun 3 arranged toward the forged piece, and the welding gun 3 is driven by the driving source; A conveying box 4, which is fixed on the base 1 and communicated with a wire storage box 5 fixed on the base 1, and the conveying box 4 is used to output welding wire to the bottom of the welding gun 3; and There are two wire rings 8, and the two wire rings 8 are respectively installed on two assembly rings 9, and the assembly rings 9 are slidably installed in the conveying box 4. A conveying roller 6 for conveying welding wire is installed in the conveying box 4, and the conveying roller 6 is driven to rotate by an output source. The conveying roller 6 is connected to a transmission component 7. The welding wire passes through the central axis of the wire ring 8, and the wire ring 8 is in contact with the welding wire; when the conveying roller 6 rotates to convey the welding wire, the conveying roller 6 drives the two assembly rings 9 to perform reciprocating linear motion along the welding wire conveying route through the transmission component 7.

[0021] In one case of this embodiment, the driving source includes electrical components such as a DC servo motor system driver, which can drive the clamping member 2 to move to clamp the forging, and can also drive the welding gun 3 for welding; the clamping member 2 includes two clamping blocks arranged opposite to each other, and the two clamping blocks respectively clamp the two sides of the forging; the output source can be a motor assembly, or a gear assembly or a pulley assembly driven by a motor, as long as it can cause the conveying roller 6 to rotate, and this embodiment does not make any specific limitations here.

[0022] In actual application of this embodiment, the driving source drives the clamping member 2 to clamp the forged part, and the welding wire output by the wire storage box 5 passes through the conveying box 4 and reaches the bottom of the welding gun 3 and contacts the forged part, and then the driving source drives the welding gun 3 to weld; in this process, the output source drives the conveying roller 6 to rotate to provide conveying force for the welding wire. When the conveying roller 6 rotates, the conveying roller 6 drives the two assembly rings 9 to perform reciprocating linear motion along the welding wire conveying route through the transmission component 7, and the two wire rings 8 can reciprocate and clean the surface of the welding wire, and can remove impurities such as oxide film and rust on the surface of the welding wire, so that the conveying box 4 can automatically supply wire while cleaning the impurities on the surface of the welding wire, ensuring that the surface of the welding wire output by the conveying box 4 is clean, thereby improving the quality of automated welding of forged parts, avoiding impurities such as oxide film and rust on the surface of the welding wire, and causing defects such as pores and slag inclusions during welding.

[0023] like Figure 2-Figure 3 As shown, as a preferred embodiment of the present invention, the wire ring 8 and the assembly ring 9 are detachably connected.

[0024] In one case of the present embodiment, the wire ring 8 and the assembly ring 9 can be connected by bolts or by snap-on assembly, which is not specifically limited here; in actual application, the wire ring 8 can be disassembled and replaced to ensure that the device always has a high welding wire cleaning ability.

[0025] like Figure 1-Figure 5 As shown, as a preferred embodiment of the present invention, the number of the conveying rollers 6 is multiple, and the transmission assembly 7 includes: A half gear 701 is rotatably mounted in a box 708, and the box 708 is fixed in a conveying box 4, and the half gear 701 rotates synchronously with a conveying roller 6 through a belt 702; A rack ring 703 is slidably mounted in the box body 708 and has a plurality of tooth blocks disposed on the inner walls on both sides thereof, the tooth blocks meshing with the half gears 701 , and the rack ring 703 is located between the two assembly rings 9 ; and Connecting rod 706, the two connecting rods 706 are respectively arranged on both sides of the rack ring 703, and the two ends of the connecting rod 706 are respectively rotatably connected to the first connecting block 704 and the second connecting block 705, the two first connecting blocks 704 are both fixedly connected to the rack ring 703, and the two second connecting blocks 705 are respectively fixedly connected to the two assembly rings 9.

[0026] In one case of this embodiment, the transmission assembly 7 also includes two slide rails 707 fixed in the conveying box 4, the extension direction of the slide rails 707 is the conveying direction of the welding wire, and the two slide rails 707 are slidably matched with the two second connecting blocks 705 respectively.

[0027] When the present embodiment is actually used, the conveying roller 6 rotates and drives the half gear 701 to rotate synchronously through the belt 702. When the half gear 701 rotates to mesh with the tooth block on one side of the rack ring 703, it continues to rotate and drives the rack ring 703 to perform linear motion through meshing transmission until it rotates away from the tooth block on this side. Then, the half gear 701 continues to rotate and meshes with the tooth block on the other side of the rack ring 703. The half gear 701 continues to rotate and can drive the rack ring 703 to perform reverse linear motion through meshing transmission until the half gear 701 rotates away from the tooth block on this side. In this way, the reciprocating linear motion of the rack ring 703 is realized. The rack ring 703 can move in the direction close to the welding wire or move away from the welding wire. Figure 3 Taking the direction shown as an example, when the rack ring 703 moves toward the direction approaching the welding wire, the rack ring 703 can drive the two assembly rings 9 to move in opposite directions through the connecting rod 706, the first connecting block 704 and the second connecting block 705. When the rack ring 703 moves away from the welding wire, the rack ring 703 can drive the two assembly rings 9 to move toward each other through the connecting rod 706, the first connecting block 704 and the second connecting block 705. In this way, the two assembly rings 9 can perform reciprocating movement, and then the two wire rings 8 can perform reciprocating cleaning on the welding wire to brush off impurities on the surface of the welding wire, so that the surface of the welding wire output by the conveying box 4 is clean.

[0028] like Figure 2-Figure 6 As shown, as a preferred embodiment of the present invention, a positioning ring 12 is provided between the two assembly rings 9, the positioning ring 12 is installed on the inner wall of the conveying box 4, and a wiping cotton 11 in contact with the welding wire is installed therein.

[0029] In one case of this embodiment, the wiping cotton 11 and the positioning ring 12 are detachably connected.

[0030] In actual application of this embodiment, the wiping cotton 11 and the positioning ring 12 can be connected by bolts or by snap-fit ​​assembly, which is not specifically limited here.

[0031] like Figure 2-Figure 6 As shown, as a preferred embodiment of the present invention, the positioning ring 12 is rotatably installed on the inner wall of the conveying box 4, and is connected to the rotating component 10, and the rotating component 10 is connected to the assembling ring 9; when the assembling ring 9 performs reciprocating linear motion, the assembling ring 9 drives the positioning ring 12 to rotate around the central axis of the welding wire through the transmission component 7 and the rotating component 10.

[0032] In one case of this embodiment, the rotating component 10 includes a meshing gear 1001 and a rack 1002, the gear 1001 is coaxially fixedly connected to the positioning ring 12, the rack 1002 is connected to the assembly ring 9, and the rack 1002 is slidably installed on the inner wall of the conveying box 4; when the assembly ring 9 performs reciprocating linear motion, the rack 1002 performs reciprocating lifting and lowering, thereby driving the gear 1001 to rotate reciprocatingly.

[0033] In actual application of this embodiment, when the transmission component 7 is of the above-mentioned structure, the rack 1002 is connected to the rack ring 703 through the slider 1003. When the half gear 701 rotates to drive the rack ring 703 to move back and forth, the rack 1002 moves back and forth synchronously, thereby driving the gear 1001 to rotate back and forth, so that the wiping cotton 11 can rotate to wipe the surface of the welding wire, that is, when the two assembly rings 9 reciprocate to brush the surface of the welding wire, they can drive the wiping cotton 11 to rotate on the surface of the welding wire, thereby further cleaning the surface of the welding wire.

[0034] Of course, the transmission component 7 can also use a structural component of a bevel gear set and a gear rack. As long as it can achieve that when the conveying roller 6 rotates, it can drive the two assembly rings 9 to perform reciprocating linear motion along the welding wire conveying route. The connection between the rack 1002 and the assembly ring 9 can realize the conversion of the moving direction through a connecting rod, and it can achieve that when the two assembly rings 9 reciprocate, they can drive the wiping cotton 11 to rotate on the surface of the welding wire. It will not be elaborated here.

[0035] like Figure 2-Figure 6 As shown, as a preferred embodiment of the present invention, the positioning ring 12 and the limiting ring 13 are slidably matched, and the two are coaxially arranged. The limiting ring 13 is fixed on the inner wall of the conveying box 4, and is provided with a plurality of snap-fit ​​blocks 14 that fit with the side edges of the wiping cotton 11.

[0036] In actual application of this embodiment, a plurality of engaging blocks 14 can limit the installation position of the wiping cotton 11, thereby avoiding the problem of low utilization rate of the wiping cotton 11 due to crooked installation.

[0037] like Figure 2-Figure 6 As shown, as a preferred embodiment of the present invention, a liquid storage tank 16 is fixed on the engaging block 14 , and the liquid storage tank 16 is connected to the nozzle 15 , and the nozzle 15 is arranged toward the wiping cotton 11 .

[0038] In one case of this embodiment, solvents such as acetone are stored in the liquid storage tank 16, which can remove pollutants such as oil on the surface of the welding wire after being sprayed on the surface of the welding wire, and can be used as a cleaning liquid; the nozzle 15 is connected to the control valve; in actual application, the control valve controls the nozzle 15 to spray the cleaning liquid in the liquid storage tank 16 onto the wiping cotton 11, so that the wiping cotton 11 can clean impurities such as oil on the surface of the welding wire, improve the cleanliness of the welding wire surface, and then improve the welding quality of the forging.

[0039] Working principle of the present invention: The above-mentioned embodiment of the present invention provides an automatic welding device for forged parts, which drives the clamping part 2 to clamp the forged part through the driving source, and the welding wire output by the wire storage box 5 passes through the conveying box 4 to reach the bottom of the welding gun 3 and contact the forged part, and then the driving source drives the welding gun 3 to weld; in this process, the output source drives the conveying roller 6 to rotate to provide conveying force for the welding wire. When the conveying roller 6 rotates, the conveying roller 6 drives the two assembly rings 9 to perform reciprocating linear motion along the welding wire conveying route through the transmission component 7, and the two steel wire rings 8 can reciprocate and clean the surface of the welding wire, and can remove impurities such as oxide film and rust on the surface of the welding wire, so that the conveying box 4 can automatically supply wire and clean the impurities on the surface of the welding wire, ensuring that the surface of the welding wire output by the conveying box 4 is clean, thereby improving the quality of automatic welding of forged parts, avoiding impurities such as oxide film and rust on the surface of the welding wire, and causing defects such as pores and slag inclusions during welding.

[0040] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. An automatic welding device for forgings, characterized in that: include: A base (1) on which a clamping member (2) for clamping a forged piece and a driving source for driving the clamping member (2) are arranged, and the base (1) is also provided with a welding gun (3) arranged toward the forged piece, and the welding gun (3) is driven by the driving source; A conveying box (4) fixed on the base (1) and connected to a wire storage box (5) fixed on the base (1), wherein the conveying box (4) is used to output welding wire to the bottom of the welding gun (3); and There are two wire rings (8), and the two wire rings (8) are respectively mounted on two assembly rings (9). The assembly rings (9) are slidably mounted in a conveying box (4). A conveying roller (6) for conveying welding wire is installed in the conveying box (4), and the conveying roller (6) is driven to rotate by an output source. The conveying roller (6) is connected to a transmission component (7). The welding wire passes through the central axis of the wire ring (8), and the wire ring (8) is in contact with the welding wire. When the conveying roller (6) rotates to convey the welding wire, the conveying roller (6) drives the two assembly rings (9) through the transmission component (7) to perform reciprocating linear motion along the welding wire conveying route.

2. The automatic welding device for forgings according to claim 1, characterized in that: The wire ring (8) and the assembly ring (9) are detachably connected.

3. The automatic welding device for forgings according to claim 1, characterized in that: The number of the conveying rollers (6) is plural, and the transmission assembly (7) comprises: A half gear (701) is rotatably mounted in a box (708), and the box (708) is fixed in a conveying box (4), and the half gear (701) rotates synchronously with a conveying roller (6) via a belt (702); A rack ring (703) is slidably mounted in the box body (708), and a plurality of tooth blocks are provided on the inner walls on both sides thereof, the tooth blocks mesh with the half gears (701), and the rack ring (703) is located between the two assembly rings (9); and A connecting rod (706), wherein the two connecting rods (706) are respectively arranged on both sides of the rack ring (703), and the two ends of the connecting rod (706) are respectively rotatably connected to the first connecting block (704) and the second connecting block (705), the two first connecting blocks (704) are both fixedly connected to the rack ring (703), and the two second connecting blocks (705) are respectively fixedly connected to the two assembly rings (9).

4. The automatic welding device for forgings according to claim 3 is characterized in that: The transmission assembly (7) further comprises two slide rails (707) fixed in the conveying box (4); the extension direction of the slide rails (707) is the conveying direction of the welding wire, and the two slide rails (707) are respectively slidably matched with the two second connecting blocks (705).

5. The automatic welding device for forgings according to claim 1, characterized in that: A positioning ring (12) is provided between the two assembly rings (9); the positioning ring (12) is mounted on the inner wall of the conveying box (4), and a wiping cotton (11) in contact with the welding wire is installed inside the positioning ring (12).

6. The automatic welding device for forgings according to claim 5, characterized in that: The wiping cotton (11) and the positioning ring (12) are detachably connected.

7. The automatic welding device for forgings according to claim 5, characterized in that: The positioning ring (12) is rotatably mounted on the inner wall of the conveying box (4) and is connected to the rotating assembly (10). The rotating assembly (10) is connected to the assembly ring (9); when the assembly ring (9) performs reciprocating linear motion, the assembly ring (9) drives the positioning ring (12) to rotate around the central axis of the welding wire through the transmission assembly (7) and the rotating assembly (10).

8. The automatic welding device for forgings according to claim 7, characterized in that: The rotating assembly (10) comprises a meshing gear (1001) and a rack (1002); the gear (1001) is coaxially fixedly connected to a positioning ring (12); the rack (1002) is connected to an assembly ring (9), and the rack (1002) is slidably mounted on the inner wall of a conveying box (4); when the assembly ring (9) performs reciprocating linear motion, the rack (1002) performs reciprocating lifting and lowering, thereby driving the gear (1001) to reciprocate and rotate.

9. The automatic welding device for forgings according to claim 7, characterized in that: The positioning ring (12) and the limiting ring (13) are slidably matched and are coaxially arranged. The limiting ring (13) is fixed on the inner wall of the conveying box (4) and is provided with a plurality of locking blocks (14) that are in contact with the side edges of the wiping cotton (11).

10. The automatic welding device for forgings according to claim 9, characterized in that: A liquid storage tank (16) is fixed on the engaging block (14), and the liquid storage tank (16) is in communication with the spray head (15), and the spray head (15) is arranged toward the wiping cotton (11).

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