Drill bit welding equipment

Abstract

The invention discloses drill bit welding equipment, and belongs to the technical field of welding equipment.The drill bit welding equipment comprises a machine body, a drill rod conveying mechanism, a welding wire conveying mechanism, a soldering flux conveying mechanism, a blade conveying mechanism, a welding mechanism and a discharging mechanism are sequentially arranged on the machine body in the length direction of the machine body, and a moving seat is slidably mounted on the machine body in the length direction of the machine body; the welding mechanism comprises a ventilation pipe and a heating ring, the ventilation pipe is connected with a gas conveying pipe used for conveying combined gas, a sliding plate is installed on the machine body in the width direction of the machine body in a sliding mode, and a positioning plate is installed on the top face of the sliding plate in the vertical direction in a sliding mode. Two second pneumatic clamping jaws capable of clamping the drill rod are installed on the top face of the positioning plate and can drive the drill rod and the alloy blade to enter the air conveying pipe. The influence of oxygen in natural air in the welding process can be reduced, and welding of the drill rod and the alloy blade is firmer.

Description

Technical Field

[0001] The present application relates to the technical field of welding equipment, and in particular to a drill bit welding equipment. Background Art

[0002] Drill bits are critical tools widely used in industries like petroleum, mining, and construction. Their performance directly impacts operational efficiency and quality, particularly in drilling, drilling, and mining operations. The welding process is a crucial step in the drill bit manufacturing process.

[0003] During the welding process of the drill bit, the alloy blade needs to be welded to the drill rod. The drill rod and the alloy blade are usually exposed to the natural air environment when welding. The oxygen in the air will form an oxide layer at the weld, making the weld not strong enough and easy to crack. Summary of the Invention

[0004] In order to improve the problem that an oxide layer is easily formed at the welding point during the welding process of the alloy blade and the drill rod, the present application provides a drill bit welding device.

[0005] The drill bit welding equipment provided in this application adopts the following technical solution: A drill bit welding device comprises a body, on which a drill rod conveying mechanism, a welding wire conveying mechanism, a flux conveying mechanism, a blade conveying mechanism, a welding mechanism and a blanking mechanism are sequentially arranged along the length direction of the body; a movable seat is slidably installed on the body along the length direction of the body; two pneumatic clamps 1 for clamping the drill rod are arranged on the movable seat; the welding mechanism comprises a ventilation pipe and a heating ring; the ventilation pipe is connected to a gas pipe for conveying combined gas; a sliding plate is slidably installed on the body along the width direction of the body; a positioning plate is slidably installed on the top surface of the sliding plate in a vertical direction; two pneumatic clamps 2 capable of clamping the drill rod are installed on the top surface of the positioning plate; the pneumatic clamps 2 can drive the drill rod and the alloy blade into the gas pipe.

[0006] By adopting the above technical solution, the drill rod conveying mechanism conveys the drill rod, two pneumatic clamps clamp the drill rod and drive the drill rod to move along the length direction of the machine body, the welding wire conveying mechanism pushes the welding wire into the groove of the drill rod, the flux conveying mechanism sprinkles the flux into the groove, the blade conveying mechanism pushes the alloy blade into the groove, the pneumatic clamp 1 drives the drill rod to move to the end of the gas pipe, the positioning plate drives the pneumatic clamp 2 to move upward, the two pneumatic clamps 2 clamp and fix the drill rod, the pneumatic clamp 1 releases the drill rod, and the sliding plate drives the drill rod to move in the direction close to the ventilation pipe, so that the drill rod and the alloy blade enter the ventilation pipe, the heating rod heats the drill rod and the alloy blade, so that the alloy blade and the drill rod are welded together, the gas pipe continuously conveys a combination of nitrogen and a small amount of helium into the ventilation pipe, and then discharges the natural air in the ventilation pipe, so that only the combination gas exists during the welding process of the drill rod and the alloy blade, reducing the influence of oxygen in the natural air during the welding process, and making the welding of the drill rod and the alloy blade more firm.

[0007] Preferably, the heating ring is fixed to the outer periphery of the gas pipe, and a cylinder 1 is fixed to the top surface of the body, and the piston rod of the cylinder 1 is fixedly connected to the sliding plate, and a cylinder 2 is fixed to the top surface of the sliding plate, and the top end of the piston rod of the cylinder 2 is fixedly connected to the positioning plate, and a limiting block is fixed to the top surface of the sliding plate, and the side of the limiting block close to the pneumatic clamp 2 is fixed with the limiting plate 1, and a cylinder 3 is installed on the limiting block, and the bottom end of the piston rod of the cylinder 3 is fixed with the limiting plate 2, and the limiting plate 1 and the limiting plate 2 are used to clamp the drill rod.

[0008] By adopting the above technical solution, when pneumatic clamp one drives the drill rod to move above pneumatic clamp two, cylinder two pushes the positioning plate to move upward so that pneumatic clamp two can clamp the drill rod. At the same time, the drill rod is located below limit plate one, and cylinder three pushes limit plate two to move upward. Limit plate one and limit plate two clamp the drill rod. Cylinder one drives the sliding plate to move toward the direction close to the gas pipe, so that the drill rod and the alloy blade enter the gas pipe. At the same time, the drill rod and the alloy blade are welded together under the action of the heating ring.

[0009] Preferably, the vent pipe includes a box body, a limit frame is fixed in the box body, the top and bottom surfaces of the limit frame are fixedly connected to the inner wall of the box body, the heating ring is located in the limit frame, the gas pipe is connected to the inside of the limit frame, the side of the box body close to the second pneumatic clamp is provided with a through hole 1, the side of the limit frame close to the second pneumatic clamp is provided with a through hole 2, the top surface of the box body is provided with a sliding groove 1, the box body is installed with a baffle 1 that slides vertically through the sliding groove 1, and the top surface of the limit frame is provided with a sliding The second shift groove is provided, and the limit frame is installed with a baffle plate 2 which slides vertically through the second sliding groove. The top surface of the baffle plate 1 is fixed with a connecting rod 1, and the top surface of the baffle plate 2 is fixed with a connecting rod 2. A synchronization rod is fixed between the connecting rod 1 and the connecting rod 2. The top surface of the box body is fixed with a cylinder 4, and the top end of the piston rod of the cylinder 4 is fixedly connected to the synchronization rod. An air outlet groove is provided on the side of the box body away from the second pneumatic clamp, and a fan is installed in the air outlet groove. An air outlet pipe connected to the air outlet groove is fixed on the side of the box body.

[0010] By adopting the above technical solution, cylinder four drives the synchronization rod to move upward, and then drives baffle one and baffle two to move upward, so that through hole one and through hole two are opened, and pneumatic clamp two drives the drill rod to pass through through hole one and through hole two into the limit frame, and the heating ring heats and welds the drill rod and the alloy blade, and the combined gas in the limit frame enters the box through through hole two, the fan is started, and the combined gas enters the exhaust pipe under the action of the fan, thereby reducing the possibility of the combined gas escaping to the outside.

[0011] Preferably, an annular groove is provided on the inner circumference of the through hole 1, and the box body is provided with a plurality of sector pieces which are slidably mounted along the radial direction of the through hole 1 through the annular groove, and the inner arc surface of the sector pieces can abut against the outer circumference of the drill rod.

[0012] By adopting the above technical solution, after the drill rod and the alloy blade are extended into the limit frame, several fan-shaped pieces move toward the direction close to the drill rod, and the inner arc surface of the fan-shaped pieces fits with the outer circumferential surface of the drill rod, thereby reducing the possibility of the combined gas escaping to the outside.

[0013] Preferably, a pushing block is fixed to the outer arc surface of the sector-shaped piece, and a pushing groove connected to the annular groove is provided in the box body, and the pushing block slides and cooperates with the box body along the radial direction of the through hole 1 through the pushing groove, and a slider is fixed to the side of the pushing block, and a sliding groove is provided on the inner wall of the pushing groove, and the slider slides and cooperates with the box body along the radial direction of the through hole 1 through the sliding groove, and a spring 1 is fixed to the side of the slider away from the sector-shaped piece, and one end of the spring 1 away from the slider is fixedly connected to the inner wall of the sliding groove.

[0014] By adopting the above technical solution, after the drill rod and the alloy blade are extended into the limit frame, the push block moves toward the direction close to the drill rod under the elastic force of spring 1, so that the fan-shaped piece moves toward the direction close to the drill rod, and the fan-shaped piece fits the outer peripheral surface of the drill rod.

[0015] Preferably, a magnetic block is fixed to the side of the pushing block away from the sector piece, and an electromagnet is fixed to the inner wall of the pushing groove away from the sector piece, and the electromagnet can attract the magnetic block when energized.

[0016] By adopting the above technical solution, when the drill rod and the alloy blade have not entered the limit frame, the electromagnet is energized to work, and the electromagnet attracts the magnetic block, so that the sector is located in the annular groove, so that the drill rod can pass through the through hole smoothly.

[0017] Preferably, a filter is fixed in the box, the filter is located between the limiting frame and the fan, and the filter is fixedly connected to the inner wall of the box.

[0018] By adopting the above technical solution, when the fan absorbs the combined gas, the filter screen filters other impurities mixed in the combined air, thereby reducing the possibility of impurities being stuck in the fan.

[0019] Preferably, the box body includes a main body and a bottom plate, the bottom plate is fixedly connected to the heating coil, an abutment plate is fixed to the top surface of the bottom plate, a connecting groove for inserting the abutment plate is provided on the bottom surface of the main body, a card slot is provided on the opposite inner sides of the connecting groove, the main body is slidably installed with a card block along its own length direction through the card slot, a connecting groove for inserting the card block is provided on the side of the abutment plate, a spring 2 is fixed to the side of the card block away from the abutment plate, one end of the spring 2 is fixedly connected to the inner wall of the card slot, and a slope 1 is provided on the side of the card block away from the spring 2, and the slope 1 is located on the bottom surface of the card block.

[0020] By adopting the above technical solution, the abutment plate is inserted into the connecting groove, the abutment plate abuts against the inclined surface 1 and pushes the card block into the card slot. After the abutment plate enters the connecting groove, the card block is inserted into the card slot under the elastic force of spring 2, and the top surface of the bottom plate abuts against the bottom surface of the main body, thereby realizing the card connection and fixation of the abutment plate and the main body.

[0021] Preferably, the bottom surface of the main body is provided with a pressure groove connected to the card slot, and the main body is provided with a pressure block that is vertically slidable through the pressure groove. The bottom surface of the card block is provided with a clearance groove for passing the pressure block, and the side of the clearance groove away from the abutment plate is provided with a second inclined surface, and the top surface of the pressure block is provided with a third inclined surface for abutting against the second inclined surface.

[0022] By adopting the above technical solution, when the heating coil needs to be repaired, the pressure block is pressed upward, and the second and third bevels abut against each other, thereby pushing the card block to move away from the abutment plate, so that the card block is disengaged from the card slot and contacts the abutment plate and the main body for card connection, thereby facilitating the disassembly of the heating coil.

[0023] Preferably, a reset block is fixed to the side of the pressure block, a reset groove is provided on the inner wall of the pressure groove, the reset block slides vertically with the main body through the reset groove, a spring three is fixed to the bottom surface of the reset block, and the end of the spring three away from the reset block is fixedly connected to the inner bottom surface of the reset groove.

[0024] By adopting the above technical solution, after the abutting plate is removed, the abutting block is released, and the abutting block is reset under the elastic force of the spring three.

[0025] In summary, this application includes at least one of the following beneficial technical effects: The drill rod conveying mechanism conveys the drill rod, two pneumatic clamps clamp the drill rod and drive the drill rod to move along the length direction of the machine body, the welding wire conveying mechanism pushes the welding wire into the groove of the drill rod, the flux conveying mechanism sprinkles the flux into the groove, the blade conveying mechanism pushes the alloy blade into the groove, the pneumatic clamp one drives the drill rod to move to the end of the gas pipe, the positioning plate drives the pneumatic clamp two to move upward, the two pneumatic clamps two clamp the drill rod, the pneumatic clamp one releases the drill rod, the sliding plate drives the drill rod to move in the direction close to the ventilation pipe, so that the drill rod and the alloy blade enter the ventilation pipe, the heating rod heats the drill rod and the alloy blade, so that the alloy blade and the drill rod are welded together, the gas pipe continuously conveys a combination of nitrogen and a small amount of helium into the ventilation pipe, and then discharges the natural air in the ventilation pipe, so that only the combination gas exists during the welding process of the drill rod and the alloy blade, reducing the influence of oxygen in the natural air during the welding process, making the welding of the drill rod and the alloy blade more firm; Cylinder 4 drives the synchronization rod to move upward, thereby driving baffle 1 and baffle 2 to move upward, so that through hole 1 and through hole 2 are opened. Pneumatic clamp 2 drives the drill rod to pass through through hole 1 and through hole 2 and enter the limit frame. The heating ring heats and welds the drill rod and the alloy blade. The combined gas in the limit frame enters the box through through hole 2. The fan is started, and the combined gas enters the outlet pipe under the action of the fan, thereby reducing the possibility of the combined gas escaping to the outside. When the heating coil needs to be repaired, the pressing block is pressed upward, and the second and third bevels abut against each other, thereby pushing the card block to move away from the abutment plate, so that the card block is disengaged from the card slot and contacts the abutment plate and the body for card connection and fixation, thereby facilitating the disassembly of the heating coil. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1It is a schematic diagram of the overall structure of Example 1 of the present application.

[0027] Figure 2 It is a structural schematic diagram of the welding mechanism in Example 2 of the present application.

[0028] Figure 3 It is a schematic diagram of the overall structure of Example 2 of the present application.

[0029] Figure 4 It is a structural diagram of the box in Example 2 of the present application.

[0030] Figure 5 It is a cross-sectional view of the box body in Example 2 of the present application.

[0031] Figure 6 It is a schematic structural diagram of the fan-shaped piece in Example 2 of the present application.

[0032] Figure 7 In Example 2 of this application Figure 5 Enlarged schematic diagram of point A in the middle.

[0033] Figure 8 It is a structural schematic diagram of the clamping block and the pressing block in Example 2 of the present application.

[0034] Figure numerals: 1. body; 11. drill rod conveying mechanism; 12. welding wire conveying mechanism; 13. flux conveying mechanism; 14. blade conveying mechanism; 15. blanking mechanism; 16. moving seat; 17. pneumatic clamp 1; 2. welding mechanism; 21. vent pipe; 22. heating ring; 23. gas pipe; 24. sliding plate; 241. cylinder 1; 25. positioning plate; 251. cylinder 2; 252. pneumatic clamp 2; 26. limit block; 261. limit plate 1; 262. limit plate 2; 263. cylinder 3; 3. box; 31. through hole 1; 32. sliding groove 1; 33. baffle 1; 34. connecting rod 1; 4. limit frame; 41. through hole 2; 42. sliding groove 2; 43. Baffle 2; 44. Connecting rod 2; 5. Cylinder 4; 51. Synchronizing rod; 52. Fan; 53. Exhaust pipe; 54. Exhaust slot; 55. Filter; 6. Fan-shaped piece; 61. Annular groove; 62. Push block; 63. Push slot; 64. Slider; 65. Slide slot; 66. Spring 1; 67. Electromagnet; 68. Magnetic block; 7. Main body; 71. Connecting slot; 72. Clamping block; 73. Clamping slot; 74. Spring 2; 75. Inclined surface 1; 76. Give way slot; 77. Inclined surface 2; 8. Bottom plate; 81. Abutting plate; 82. Clamping slot; 9. Pressing block; 91. Pressing slot; 92. Inclined surface 3; 93. Reset block; 94. Reset slot; 95. Spring 3. DETAILED DESCRIPTION

[0035] The following is combined with Figure 1-8 This application is described in further detail.

[0036] The present application discloses a drill bit welding device. Example

[0037] Reference Figure 1 and Figure 2 The drill bit welding equipment includes a body 1, on which a drill rod conveying mechanism 11, a welding wire conveying mechanism 12, a flux conveying mechanism 13, a blade conveying mechanism 14, a welding mechanism 2 and a blanking mechanism 15 are sequentially arranged along the length direction of the body 1. A movable seat 16 is slidably mounted along the length direction of the body 1, and two pneumatic clamps 17 for clamping the drill rod are arranged on the movable seat 16. The drill rod conveying mechanism 11 conveys the drill rod, and the two pneumatic clamps 17 clamp the drill rod and drive the drill rod to move along the length direction of the body 1. The welding wire conveying mechanism 12 pushes the welding wire into the groove of the drill rod, the flux conveying mechanism 13 sprinkles the flux into the groove, and the blade conveying mechanism 14 pushes the alloy blade into the groove. The innovation of this application is not in the drill rod conveying mechanism 11, the welding wire conveying mechanism 12, the flux conveying mechanism 13, the blade conveying mechanism 14 and the blanking mechanism 15, and the above structure is only briefly described.

[0038] Reference Figure 1 and Figure 2 The welding mechanism 2 includes a ventilation pipe 21 and a heating ring 22 fixedly mounted on the outer periphery of a gas pipe 23. The ventilation pipe 21 is connected to a gas pipe 23 for conveying the combined gas. A sliding plate 24 is slidably mounted on the body 1 along its width direction. A cylinder 1 241 is fixed to the top surface of the body 1. The piston rod of the cylinder 1 241 is fixedly connected to the sliding plate 24. A cylinder 2 251 is fixed to the top surface of the sliding plate 24. A positioning plate 25 is fixed to the top of the piston rod of the cylinder 251. Two pneumatic clamps 252 capable of clamping a drill rod are mounted on the top surface of the positioning plate 25. The pneumatic clamps 252 can drive the drill rod and the alloy blade into the gas pipe 23. A limit block 26 is fixed to the top surface of the sliding plate 24. A limit plate 1 261 is fixed to the side of the limit block 26 close to the pneumatic clamp 252. A cylinder three 263 is installed on the limit block 26, and a limit plate two 262 is fixed to the bottom end of the piston rod of the cylinder three 263. The limit plate one 261 and the limit plate two 262 are used to clamp the drill rod.

[0039] When the pneumatic clamp 17 drives the drill rod to move above the pneumatic clamp 252, the cylinder 2 251 pushes the positioning plate 25 to move upward so that the pneumatic clamp 2 252 can clamp the drill rod. At the same time, the drill rod is located below the limit plate 1 261, and the cylinder 3 263 pushes the limit plate 2 262 to move upward. The limit plate 1 261 and the limit plate 2 262 clamp the drill rod. The cylinder 1 241 drives the sliding plate 24 to move toward the direction close to the gas pipe 23, so that the drill rod and the alloy blade enter the gas pipe 23. At the same time, the drill rod and the alloy blade are welded together under the action of the heating ring 22.

[0040] The implementation principle of Example 1 of the present application is as follows: the pneumatic clamp 17 drives the drill rod to move to the end of the air pipe 23, the positioning plate 25 drives the pneumatic clamp 2 252 to move upward, the two pneumatic clamps 252 clamp and fix the drill rod, the pneumatic clamp 17 releases the drill rod, and the sliding plate 24 drives the drill rod to move toward the direction close to the ventilation pipe 21, so that the drill rod and the alloy blade enter the ventilation pipe 21, the heating rod heats the drill rod and the alloy blade, so that the alloy blade and the drill rod are welded together, and the air pipe 23 continuously transports a combination gas of nitrogen and a small amount of helium into the ventilation pipe 21, and then discharges the natural air in the ventilation pipe 21, so that only the combination gas exists during the welding process of the drill rod and the alloy blade, reducing the influence of oxygen in the natural air during the welding process, and making the welding of the drill rod and the alloy blade more firm. Example

[0041] Reference Figure 3 、 Figure 4 and Figure 5The difference between this embodiment and embodiment 1 is that the ventilation pipe 21 includes a box body 3, in which a limit frame 4 is fixed, and the top and bottom surfaces of the limit frame 4 are fixedly connected to the inner wall of the box body 3. The heating coil 22 is located in the limit frame 4, and the air supply pipe 23 is connected to the inside of the limit frame 4. A through hole 1 31 is provided on the side of the box body 3 near the pneumatic clamp 252, and a sliding groove 1 32 is provided on the top surface of the box body 3. The box body 3 is provided with a baffle 1 33 that slides vertically along the sliding groove 1 32. A through hole 2 41 is provided on the side of the limit frame 4 near the pneumatic clamp 252, and a sliding groove 2 42 is provided on the top surface of the limit frame 4. The baffle 2 43 is provided on the limit frame 4 that slides vertically along the sliding groove 2 42. Connecting rod 1 34 is fixed to the top surface of baffle 1 33, connecting rod 2 44 is fixed to the top surface of baffle 2 43, and a synchronization rod 51 is fixed between connecting rod 1 34 and connecting rod 2 44. Cylinder 45 is fixed to the top surface of housing 3, and the top end of the piston rod of cylinder 45 is fixedly connected to synchronization rod 51. An air outlet slot 54 is provided on the side of housing 3 away from pneumatic clamp 2 252. A fan 52 is installed in air outlet slot 54. An air outlet pipe 53 connected to air outlet slot 54 is fixed to the side of housing 3. A filter 55 is fixed inside housing 3, located between the limit frame 4 and fan 52, and fixedly connected to the inner wall of housing 3.

[0042] Cylinder four 5 drives the synchronization rod 51 to move upward, and then drives baffle one 33 and baffle two 43 to move upward, so that through hole one 31 and through hole two 41 are opened, and pneumatic clamp two 252 drives the drill rod to pass through through hole one 31 and through hole two 41 into the limit frame 4, and the heating ring 22 heats and welds the drill rod and the alloy blade. The combined gas in the limit frame 4 enters the box body 3 through through hole two 41, and the fan 52 is started. The combined gas enters the exhaust pipe 53 under the action of the fan 52, thereby reducing the possibility of the combined gas escaping to the outside.

[0043] Reference Figure 5 and Figure 6The inner circumference of through hole 1 31 is provided with an annular groove 61. Several sector pieces 6 are mounted on the housing 3 via the annular groove 61, allowing them to slide radially along through hole 1 31. The inner curved surface of the sector pieces 6 can abut against the outer circumference of the drill rod. A push block 62 is fixed to the outer curved surface of the sector piece 6. A push groove 63 is provided within the housing 3, communicating with the annular groove 61. The push block 62 slides radially with the housing 3 via the push groove 63. A slider 64 is fixed to the side of the push block 62. A slide groove 65 is provided on the inner wall of the push groove 63. The slider 64 slides radially with the housing 3 via the slide groove 65. A spring 66 is fixed to the side of the slider 64 away from the sector piece 6. The end of the spring 66 away from the slider 64 is fixedly connected to the inner wall of the slide groove 65. A magnetic block 68 is fixed to the side of the pushing block 62 away from the sector piece 6 , and an electromagnet 67 is fixed to the inner wall of the pushing groove 63 away from the sector piece 6 . The electromagnet 67 can attract the magnetic block 68 when energized.

[0044] When the drill rod and the alloy blade have not entered the limit frame 4, the electromagnet 67 is energized and works, and the electromagnet 67 attracts the magnetic block 68, so that the sector piece 6 is located in the annular groove 61, so that the drill rod can pass through the through hole 31 smoothly; after the drill rod and the alloy blade are extended into the limit frame 4, the electromagnet 67 is de-energized, and the push block 62 moves toward the direction close to the drill rod under the elastic force of the spring 66, so that the sector piece 6 moves toward the direction close to the drill rod, and the sector piece 6 fits the outer peripheral surface of the drill rod.

[0045] Reference Figure 5 and Figure 7 The box body 3 includes a main body 7 and a bottom plate 8, and the bottom plate 8 is fixedly connected to the heating coil 22. An abutment plate 81 is fixed to the top surface of the bottom plate 8, and a connecting groove 71 for inserting the abutment plate 81 is provided on the bottom surface of the main body 7. A card slot 73 is provided on the opposite inner sides of the connecting groove 71. The main body 7 is slidably installed with a card block 72 along its own length direction through the card slot 73, and a card slot 82 for inserting the card block 72 is provided on the side of the abutment plate 81. A spring 2 74 is fixed to the side of the card block 72 away from the abutment plate 81, and one end of the spring 2 74 away from the card block 72 is fixedly connected to the inner wall of the card slot 73. A slope 1 75 is provided on the side of the card block 72 away from the spring 2 74, and the slope 1 75 is located on the bottom surface of the card block 72.

[0046] Reference Figure 7 and Figure 8The bottom surface of the main body 7 is provided with a pressing groove 91 connected to the clamping groove 73. The main body 7 is provided with a pressing block 9 that slides vertically through the pressing groove 91. The bottom surface of the clamping block 72 is provided with a clearance groove 76 for passing the pressing block 9. The side of the clearance groove 76 away from the abutment plate 81 is provided with a second inclined surface 77. The top surface of the pressing block 9 is provided with a third inclined surface 92 for abutting against the second inclined surface 77. A reset block 93 is fixed to the side of the pressing block 9. The inner wall of the pressing groove 91 is provided with a reset groove 94. The reset block 93 slides vertically with the main body 7 through the reset groove 94. A spring 3 95 is fixed to the bottom surface of the reset block 93. The end of the spring 3 95 away from the reset block 93 is fixedly connected to the inner bottom surface of the reset groove 94.

[0047] When the locking cam 72 is in the closed position, the locking cam 72 is in the closed position, and the locking cam 72 is in the closed position, so that the locking cam 72 is released.

[0048] The implementation principle of Example 1 of the present application is: start cylinder four 5, through hole one 31 and through hole two 41 are opened, pneumatic clamp two 252 drives the drill rod to pass through through hole one 31 and through hole two 41 into the limit frame 4, the heating ring 22 heats and welds the drill rod and the alloy blade, the combined gas in the limit frame 4 enters the box body 3 through through hole two 41, the fan 52 is started, and the combined gas enters the outlet pipe 53 under the action of the fan 52, and at the same time, the inner arc surface of the sector piece 6 fits with the outer peripheral surface of the drill rod, reducing the possibility of the combined gas escaping to the outside.

[0049] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A drill bit welding device, characterized in that: The invention comprises a machine body (1), wherein the machine body (1) is provided with a drill rod conveying mechanism (11), a welding wire conveying mechanism (12), a solder flux conveying mechanism (13), a blade conveying mechanism (14), a welding mechanism (2) and a blanking mechanism (15) in sequence along its length direction; a movable seat (16) is slidably mounted on the machine body (1) along its length direction; the movable seat (16) is provided with two pneumatic clamps (17) for clamping the drill rod; the welding mechanism (2) comprises a vent pipe (21 ) and a heating ring (22), the ventilation pipe (21) is connected to a gas supply pipe (23) for conveying the combined gas, a sliding plate (24) is installed on the body (1) for sliding along its width direction, a positioning plate (25) is installed on the top surface of the sliding plate (24) for sliding vertically, and two pneumatic clamps (252) capable of clamping a drill rod are installed on the top surface of the positioning plate (25), and the pneumatic clamps (252) can drive the drill rod and the alloy blade into the gas supply pipe (23).

2. The drill bit welding device according to claim 1, characterized in that: The heating ring (22) is fixedly mounted on the outer periphery of the gas pipe (23); a cylinder 1 (241) is fixedly mounted on the top surface of the machine body (1); a piston rod of the cylinder 1 (241) is fixedly connected to the sliding plate (24); a cylinder 2 (251) is fixedly mounted on the top surface of the sliding plate (24); a top end of the piston rod of the cylinder 2 (251) is fixedly connected to the positioning plate (25); a limiting block (26) is fixedly mounted on the top surface of the sliding plate (24); a limiting plate 1 (261) is fixedly mounted on the side of the limiting block (26) close to the pneumatic clamp 2 (252); a cylinder 3 (263) is mounted on the limiting block (26); a limiting plate 2 (262) is fixedly mounted on the bottom end of the piston rod of the cylinder 3 (263); the limiting plate 1 (261) and the limiting plate 2 (262) are used to clamp the drill rod.

3. The drill bit welding device according to claim 1, characterized in that: The vent pipe (21) includes a box body (3), a limit frame (4) is fixed in the box body (3), the top surface and the bottom surface of the limit frame (4) are fixedly connected to the inner wall of the box body (3), the heating ring (22) is located in the limit frame (4), the air supply pipe (23) is connected to the inside of the limit frame (4), the box body (3) is provided with a through hole (31) on the side close to the pneumatic clamping jaw 2 (252), the limit frame (4) is provided with a through hole (41) on the side close to the pneumatic clamping jaw 2 (252), the top surface of the box body (3) is provided with a sliding groove (32), the box body (3) is provided with a baffle (33) that slides vertically through the sliding groove (32), and the top surface of the limit frame (4) is provided with a sliding groove (42). The limit frame (4) is installed with a baffle plate 2 (43) through the sliding groove 2 (42) to slide vertically. The top surface of the baffle plate 1 (33) is fixed with a connecting rod 1 (34). The top surface of the baffle plate 2 (43) is fixed with a connecting rod 2 (44). A synchronization rod (51) is fixed between the connecting rod 1 (34) and the connecting rod 2 (44). The top surface of the box body (3) is fixed with a cylinder 4 (5). The top end of the piston rod of the cylinder 4 (5) is fixedly connected to the synchronization rod (51). An air outlet groove (54) is provided on the side of the box body (3) away from the pneumatic clamp 2 (252). A fan (52) is installed in the air outlet groove (54). An air outlet pipe (53) connected to the air outlet groove (54) is fixed on the side of the box body (3).

4. The drill bit welding device according to claim 3, characterized in that: The inner peripheral surface of the through hole (31) is provided with an annular groove (61), and the box body (3) is provided with a plurality of sector-shaped pieces (6) which are slidably mounted along the radial direction of the through hole (31) through the annular groove (61), and the inner arc surface of the sector-shaped piece (6) can abut against the outer peripheral surface of the drill rod.

5. The drill bit welding device according to claim 4, characterized in that: A pushing block (62) is fixed on the outer arc surface of the sector piece (6), and a pushing groove (63) connected to the annular groove (61) is provided in the box body (3). The pushing block (62) slides and cooperates with the box body (3) along the radial direction of the through hole (31) through the pushing groove (63). A slider (64) is fixed on the side of the pushing block (62), and a sliding groove (65) is provided on the inner wall of the pushing groove (63). The slider (64) slides and cooperates with the box body (3) along the radial direction of the through hole (31) through the sliding groove (65). A spring (66) is fixed on the side of the slider (64) away from the sector piece (6), and one end of the spring (66) away from the slider (64) is fixedly connected to the inner wall of the sliding groove (65).

6. The drill bit welding device according to claim 5, characterized in that: A magnetic block (68) is fixed on the side of the pushing block (62) away from the sector piece (6), and an electromagnet (67) is fixed on the inner wall of the pushing groove (63) away from the sector piece (6). The electromagnet (67) can attract the magnetic block (68) when energized.

7. The drill bit welding device according to claim 3, characterized in that: A filter (55) is fixed in the box (3), the filter (55) is located between the limit frame (4) and the fan (52), and the filter (55) is fixedly connected to the inner wall of the box (3).

8. The drill bit welding device according to claim 3, characterized in that: The box body (3) includes a main body (7) and a bottom plate (8), the bottom plate (8) is fixedly connected to the heating coil (22), a contact plate (81) is fixed on the top surface of the bottom plate (8), a connecting groove (71) for inserting the contact plate (81) is provided on the bottom surface of the main body (7), and a card slot (73) is provided on the opposite inner side of the connecting groove (71), and the main body (7) is slidably installed with a card block (72) along its own length direction through the card slot (73). The side of the abutting plate (81) is provided with a clamping groove (82) for inserting the clamping block (72); a second spring (74) is fixed to the side of the clamping block (72) away from the abutting plate (81); one end of the second spring (74) away from the clamping block (72) is fixedly connected to the inner wall of the clamping groove (73); a side of the clamping block (72) away from the second spring (74) is provided with a first inclined surface (75); and the first inclined surface (75) is located on the bottom surface of the clamping block (72).

9. The drill bit welding device according to claim 8, characterized in that: The bottom surface of the body (7) is provided with a pressing groove (91) connected to the clamping groove (73); the body (7) is provided with a pressing block (9) which is slidably mounted in the vertical direction through the pressing groove (91); the bottom surface of the clamping block (72) is provided with a clearance groove (76) for passing the pressing block (9); the side surface of the clearance groove (76) away from the abutting plate (81) is provided with a second inclined surface (77); the top surface of the pressing block (9) is provided with a third inclined surface (92) for abutting against the second inclined surface (77).

10. The drill bit welding device according to claim 9, characterized in that: A reset block (93) is fixed to the side of the pressing block (9), and a reset groove (94) is provided on the inner wall of the pressing groove (91). The reset block (93) is slidably engaged with the body (7) in the vertical direction through the reset groove (94). A spring three (95) is fixed to the bottom surface of the reset block (93), and one end of the spring three (95) away from the reset block (93) is fixedly connected to the inner bottom surface of the reset groove (94).

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