Automatic welding device for puncher plug

Abstract

The utility model relates to the technical field of welding, in particular to a puncher plug automatic welding device which comprises a welding mechanism and a positioning mechanism, the welding mechanism is arranged on one side of the positioning mechanism, the welding mechanism comprises a three-axis moving platform, and a welding gun is arranged on the three-axis moving platform. The positioning mechanism comprises a base, a clamping assembly, a supporting and positioning assembly and an abutting assembly. The clamping assembly, the supporting and positioning assembly and the abutting assembly are sequentially arranged on the base. According to the utility model, the clamping assembly and the supporting and positioning assembly are respectively used for clamping, supporting and positioning all parts forming the piercing plug of the perforating machine, the moving mechanism is used for driving the propping assembly to approach to the supported and positioned parts so as to press the parts, and the electric chuck is used for driving the parts to rotate, so that the piercing plug of the perforating machine can be assembled and disassembled. The welding gun is driven to move through the arranged three-axis moving platform, the welding gun corresponds to the welding position, position adjustment is accurate and reliable, and welding of the puncher plug is completed through rotation of the welding gun and parts.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to an automatic welding device for a punching machine plug. Background Art

[0002] The piercing machine head is one of the key tools in the production of seamless steel pipes. When in use, the piercing machine head is connected to the mandrel to pierce the solid steel billet. The quality of the piercing machine head and the length of its service life will directly affect the quality and cost of the seamless steel pipe produced by the piercing machine. The piercing machine head generally includes a piercing cone section and a mandrel connecting section. The piercing cone section and the mandrel connecting section are usually connected into one by welding for subsequent processing. The existing technology uses manual welding with simple tooling or welding robots. The manual welding method has low welding efficiency and high labor intensity, and the welding quality cannot be guaranteed. In addition, corresponding tooling needs to be configured according to different forms of piercing machine heads, which is inconvenient to operate. The welding robot method is costly and not easy to promote and use.

[0003] Therefore, it is necessary to propose a punching machine plug automatic welding device to overcome the defects of the prior art. Utility Model Content

[0004] The utility model aims to solve the problems in the prior art and provide an automatic welding device for a punching machine plug.

[0005] The technical solution of the utility model is:

[0006] A punching machine head automatic welding device includes a welding mechanism and a positioning mechanism. The welding mechanism is arranged on one side of the positioning mechanism. The welding mechanism includes a three-axis movable platform. The three-axis movable platform is provided with a welding gun. The positioning mechanism includes a base, a clamping assembly, a supporting and positioning assembly and a leaning assembly. The clamping assembly, the supporting and positioning assembly and the leaning assembly are arranged on the base in sequence. The clamping assembly and the supporting and positioning assembly are fixedly arranged on the base, and the leaning assembly is movably arranged on the base.

[0007] Preferably, the three-axis mobile platform includes a base, an X-axis lateral movement assembly, a Y-axis lateral movement assembly and a Z-axis lateral movement assembly, the X-axis lateral movement assembly is arranged on the base, the Y-axis lateral movement assembly is arranged vertically on the X-axis lateral movement assembly, the Z-axis lateral movement assembly is arranged on the Y-axis lateral movement assembly, and the welding gun is arranged at the output end of the Z-axis lateral movement assembly.

[0008] Preferably, the clamping assembly includes a clamping seat and an electric chuck, the clamping seat is arranged at one end of the base, and the electric chuck is arranged on the clamping seat.

[0009] Preferably, the support positioning assembly comprises a support base, a worm elevator, a positioning base and support wheels, the support base is arranged on the base, the worm elevator is arranged on the top of the support base, the positioning base is arranged on the free end of the worm elevator, and the two support wheels are symmetrically arranged on the positioning base and float up and down relative to the positioning base.

[0010] Preferably, a long slot hole is symmetrically arranged on the positioning base, the two sides of the support wheel are provided with support rods, the support rods are correspondingly arranged in the long slot hole, a first spring is arranged in the long slot hole, one end of the first spring is fixedly connected to the bottom plane of the long slot hole, and the other end of the first spring abuts against the support rod.

[0011] Preferably, guide rods are arranged on the support base and located on the two sides of the worm elevator, and the upper ends of the guide rods are connected to the positioning base.

[0012] Preferably, a protective layer is arranged on the outer circumferential surface of the support wheel.

[0013] Preferably, the top abutting assembly comprises a top abutting base, a rotating shaft, a fixed disc and a top pin, the top abutting base is arranged on the base through a moving mechanism, a bearing seat is arranged on the side wall of the support positioning assembly in the direction of the top abutting base, the rotating shaft is rotatably arranged on the bearing seat, the fixed disc is floatingly arranged on the rotating shaft, the top pin is arranged on the side of the fixed disc away from the rotating shaft, and the top pin is conical.

[0014] Preferably, the moving mechanism comprises linear guides, a rack and a driving motor, the rack and the two linear guides are arranged on the base, the driving motor is arranged on the top abutting base, a gear is fixedly arranged on the output shaft of the driving motor, and the gear is engaged with the rack.

[0015] Preferably, a plurality of limiting rods are uniformly arranged on the end face of the rotating shaft, the fixed disc is penetratingly arranged on the limiting rods, and a second spring is sleeved on the limiting rods and located between the rotating shaft and the fixed disc.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] The utility model discloses a support positioning assembly, a moving mechanism, a top abutting assembly and a welding gun are arranged on the base, the moving mechanism is used for driving the top abutting assembly to move, the top abutting assembly is used for abutting the parts of the piercing machine top head, and the welding gun is used for welding the parts of the piercing machine top head. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the positioning mechanism structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the partially enlarged structure of point A of the present invention.

[0021] Among them, 1. Base; 2. X-axis transverse movement assembly; 3. Y-axis transverse movement assembly; 4. Z-axis transverse movement assembly; 5. Welding gun; 6. Base; 7. Clamping seat; 8. Electric chuck; 9. Support seat; 10. Worm lift; 11. Positioning seat; 12. Support wheel; 13. Long slot hole; 14. Support rod; 15. First spring; 16. Guide rod; 17. Protective layer; 18. Top seat; 19. Rotating axis; 20. Fixed plate; 21. Center; 22. Bearing seat; 23. Linear guide; 24. Rack; 25. Drive motor; 26. Gear; 27. Limit rod; 28. Second spring. DETAILED DESCRIPTION

[0022] In order to make the technical means, technical features, purpose of the utility model and technical effects achieved by the present invention easier to understand, the present invention is further described below with reference to specific illustrations.

[0023] like Figure 1 As shown, an automatic welding device for a punch head includes a welding mechanism and a positioning mechanism. The welding mechanism and the positioning mechanism are relatively independently distributed. The welding mechanism is installed on one side of the positioning mechanism. The positioning mechanism supports and positions the various parts that make up the punch head. The welding mechanism welds the various parts of the punch head into one. The positioning mechanism includes a base 6, a clamping assembly, a support and positioning assembly and a supporting assembly. The base 6 is the basis for installation and is fixedly connected to the ground. The clamping assembly, the support and positioning assembly and the supporting assembly are installed on the base 6 in sequence. The installation positions of the clamping assembly and the support and positioning assembly on the base 6 are relatively fixed. The supporting assembly is movably connected to the base 6. The relative distance between the supporting assembly and the clamping assembly is adjusted by moving the supporting assembly to meet the welding needs of punch heads of various specifications.

[0024] like Figure 1As shown, the welding mechanism comprises a three-axis moving platform and a welding gun 5, the three-axis moving platform comprises a base 1, an X-axis transverse moving assembly 2, a Y-axis transverse moving assembly 3 and a Z-axis transverse moving assembly 4, the X-axis transverse moving assembly 2 is installed on the base 1, the Y-axis transverse moving assembly 3 is installed on the X-axis transverse moving assembly 2 and is distributed vertically with the X-axis transverse moving assembly 2, the Z-axis transverse moving assembly 4 is installed on the Y-axis transverse moving assembly 3, the welding gun 5 is connected to the output end of the Z-axis transverse moving assembly 4, the X-axis transverse moving assembly 2, the Y-axis transverse moving assembly 3 and the Z-axis transverse moving assembly 4 all adopt the structure composed of a motor, a guide rail and a lead screw, which are the application of the prior art, and the specific structure will not be described here, through the action of the X-axis transverse moving assembly 2, the Y-axis transverse moving assembly 3 and the Z-axis transverse moving assembly 4, the welding gun 5 is driven to realize the movement in three coordinate directions, and the position adjustment is accurate and reliable.

[0025] As shown in Figure 1 and Figure 2 The clamping assembly comprises a clamping seat 7 and an electric chuck 8, the clamping seat 7 is fixedly connected to one end of the base 6, and the electric chuck 8 is installed on the clamping seat 7 and is used for clamping the part and driving the clamped part to realize the rotary motion.

[0026] As shown in Figure 1-Figure 3As shown, the support positioning assembly comprises a support base 9, a worm elevator 10, a positioning base 11 and a support wheel 12, the support base 9 is installed on the base 6, the worm elevator 10 is installed on the top of the support base 9, the positioning base 11 is connected with the free end of the worm elevator 10, guide rods 16 are installed on the support base 9 and located on both sides of the worm elevator 10, the guide rods 16 are connected on the support base 9, the upper end of the guide rod 16 is connected on the positioning base 11, the worm elevator 10 drives the positioning base 11 to realize the up and down lifting movement, the guide rod 16 guides the lifting of the positioning base 11, ensures the stability of the lifting of the positioning base 11, the positioning base 11 is processed into an open-top and hollow structure, the number of the support wheel 12 is two, the two support wheels 12 are symmetrically installed in the hollow inside of the positioning base 11, the outer circumferential surface of the support wheel 12 is higher than the upper surface of the positioning base 11, the support wheel 12 can float after installation to realize the up and down and deflection relative to the positioning base 11, specifically, a long slot hole 13 penetrating the width direction of the positioning base 11 is symmetrically processed on the positioning base 11, support rods 14 are processed on both sides of the support wheel 12, the support rods 14 are correspondingly connected in the long slot hole 13 and can slide along the long slot hole 13, a first spring 15 is installed in the long slot hole 13, one end of the first spring 15 is fixedly connected on the bottom plane of the long slot hole 13, the other end of the first spring 15 abuts on the support rod 14, when the conical piercing machine top head part is placed on the support wheel 12, the first spring 15 is compressed to drive the support wheel 12 to realize the deflection floating according to the shape of the part, to realize the reliable support of the part, in order to prevent the damage to the outer surface of the part and increase the friction force between the support wheel 12 and the surface of the part, a protective layer 17 is covered on the outer circumferential surface of the support wheel 12, the protective layer 17 is made of soft material.

[0027] As shown in Figure 1 and Figure 2 The top abutting assembly comprises a top abutting base 18, a rotating shaft 19, a fixed disc 20 and a top tip 21, the top abutting base 18 is connected on the base 6 by the moving mechanism and is driven by the moving mechanism to realize the movement relative to the base 6, a bearing seat 22 is installed on the side wall of the top abutting base 18 facing the support positioning assembly, the rotating shaft 19 is connected on the bearing seat 22 by the bearing and can realize the rotation relative to the bearing seat 22, the fixed disc 20 is floatingly connected on the rotating shaft 19, specifically, a plurality of limiting rods 27 are uniformly distributed on the end face of the rotating shaft 19, the fixed disc 20 is connected on the limiting rods 27, the fixed disc 20 can move axially along the limiting rods 27, a second spring 28 is sleeved on the limiting rods 27 and located between the rotating shaft 19 and the fixed disc 20, one end of the second spring 28 abuts on the end face of the rotating shaft 19, the other end of the second spring 28 abuts on the fixed disc 20, the top tip 21 is installed on the side of the fixed disc 20 away from the rotating shaft 19, the top tip 21 is processed into a conical structure;

[0028] The moving mechanism includes a linear guide 23, a rack 24 and a drive motor 25. The rack 24 and the two linear guides 23 are mounted on the base 6. The drive motor 25 is mounted on the top support 18. A gear 26 is fixedly mounted on the output shaft of the drive motor 25, and the gear 26 is meshed with the rack 24.

[0029] The driving motor 25 drives the gear 26, and through the engagement of the gear 26 and the rack 24, the support seat 18 is moved along the linear guide rail 23, driving the top 21 to approach the end of the part and rest on the part. As it moves, the second spring 28 is compressed to prevent the top 21 from making hard contact with the part, reduce the impact force of the top 21 on the part, and ensure that the part is pressed reliably.

[0030] The working principle of this utility model is:

[0031] The parts constituting the punching machine head are clamped on the electric chuck 8 and placed on the two supporting wheels 12 respectively. When the parts are placed on the supporting wheels 12, the first spring 15 is compressed to make the supporting wheel 12 deflect and float up and down relative to the positioning seat 11, so that the supporting wheel 12 is adapted to the outer dimensions of the tapered part, or the worm elevator 10 is adjusted manually or automatically, and the height of the positioning seat 11 and the supporting wheel 12 is adjusted by the worm elevator 10, so that the axial center height of the part supported and positioned on the supporting wheel 12 and the part clamped by the electric chuck 8 are adjusted to be the same, and the driving motor 25 is started to drive the gear 26 to rotate, and the engagement of the gear 26 and the rack 24 drives the supporting seat 18 to move along the linear guide 23 toward the supporting positioning assembly, so that the top 21 abuts against the end of the part, and as the supporting seat 18 moves further, the fixed plate 20 produces compression rebound on the second spring 28, thereby reducing the impact of the top 21 on the part and realizing the mutual pressing of the parts;

[0032] At the same time, the X-axis lateral movement assembly 2, the Y-axis lateral movement assembly 3 and the Z-axis lateral movement assembly 4 are started to drive the welding gun 5 to move to the welding position, and the welding gun 5 welds the parts into one piece. During the welding process, the electric chuck 8 drives the clamped parts to rotate. Due to the clamping force between the parts, the parts on the support wheel 12 and the rotating shaft 19 are driven to rotate as a whole to achieve circumferential welding.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the scope of implementation of the present invention. In other words, any equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the technical scope of the present invention.

Claims

1. An automatic welding device for a punching machine plug, characterized by: The invention comprises a welding mechanism and a positioning mechanism, wherein the welding mechanism is arranged on one side of the positioning mechanism, the welding mechanism comprises a three-axis movable platform, a welding gun (5) is arranged on the three-axis movable platform, and the positioning mechanism comprises a base (6), a clamping assembly, a supporting positioning assembly and a leaning assembly, wherein the clamping assembly, the supporting positioning assembly and the leaning assembly are arranged on the base (6) in sequence, the clamping assembly and the supporting positioning assembly are fixedly arranged on the base (6), and the leaning assembly is movably arranged on the base (6).

2. The automatic welding device for punching machine plug according to claim 1, characterized in that: The three-axis mobile platform comprises a base (1), an X-axis lateral movement component (2), a Y-axis lateral movement component (3) and a Z-axis lateral movement component (4); the X-axis lateral movement component (2) is arranged on the base (1); the Y-axis lateral movement component (3) is arranged vertically on the X-axis lateral movement component (2); the Z-axis lateral movement component (4) is arranged on the Y-axis lateral movement component (3); and the welding gun (5) is arranged at the output end of the Z-axis lateral movement component (4).

3. The automatic welding device for punching machine plug according to claim 1, characterized in that: The clamping assembly comprises a clamping seat (7) and an electric chuck (8), wherein the clamping seat (7) is arranged at one end of the base (6), and the electric chuck (8) is arranged on the clamping seat (7).

4. The automatic welding device for punching machine plug according to claim 1, characterized in that: The support and positioning assembly comprises a support seat (9), a worm elevator (10), a positioning seat (11) and a support wheel (12), wherein the support seat (9) is arranged on a base (6), the worm elevator (10) is arranged on the top of the support seat (9), the positioning seat (11) is arranged at the free end of the worm elevator (10), and the two support wheels (12) are symmetrically arranged on the positioning seat (11) and float up and down relative to the positioning seat (11).

5. The automatic welding device for punching machine plug according to claim 4, characterized in that: The positioning seat (11) is symmetrically provided with a through-long slotted hole (13), and support rods (14) are provided on both sides of the support wheel (12). The support rods (14) are correspondingly arranged in the long slotted hole (13), and a first spring (15) is provided in the long slotted hole (13). One end of the first spring (15) is fixedly connected to the bottom plane of the long slotted hole (13), and the other end of the first spring (15) abuts against the support rod (14).

6. The automatic welding device for punching machine plug according to claim 5, characterized in that: Guide rods (16) are provided on the support seat (9) and on both sides of the worm elevator (10), and the upper ends of the guide rods (16) are connected to the positioning seat (11).

7. The automatic welding device for punching machine plug according to claim 5, characterized in that: A protective layer (17) is provided on the outer circumferential surface of the support wheel (12).

8. The automatic welding device for punching machine plug according to claim 1, characterized in that: The supporting assembly includes a supporting seat (18), a rotating shaft (19), a fixed disk (20) and a top (21). The supporting seat (18) is arranged on the base (6) through a moving mechanism. A bearing seat (22) is arranged on the side wall of the supporting seat (18) facing the supporting positioning assembly. The rotating shaft (19) is rotatably arranged on the bearing seat (22). The fixed disk (20) is floatingly arranged on the rotating shaft (19). The top (21) is arranged on a side of the fixed disk (20) away from the rotating shaft (19), and the top (21) is arranged in a conical shape.

9. The automatic welding device for punching machine plug according to claim 8, characterized in that: The moving mechanism includes a linear guide rail (23), a rack (24) and a drive motor (25), wherein the rack (24) and the two linear guide rails (23) are both arranged on a base (6), and the drive motor (25) is arranged on a top support (18). A gear (26) is fixed on the output shaft of the drive motor (25), and the gear (26) is engaged with the rack (24).

10. The automatic welding device for punching machine plug according to claim 9, characterized in that: A plurality of limiting rods (27) are evenly distributed on the end surface of the rotating shaft (19), and the fixed disk (20) is penetrated and arranged on the limiting rod (27). A second spring (28) is sleeved on the limiting rod (27) and located between the rotating shaft (19) and the fixed disk (20).

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