Internal thread additive repair device

Abstract

The present invention discloses an internal thread additive repair device, which relates to the technical field of internal thread repair, and includes a moving component, a rotating component, a speed regulating component, a gear component, an additive component and a connecting component. The moving component includes a driving component and a linear motion mechanism. The additive component is connected to the linear motion mechanism through the connecting component. The driving component is used to drive the connecting component and the additive component to perform linear motion. The end of the linear motion mechanism away from the driving component is connected to the input end of the speed regulating component through the gear component. The rotating component includes a clutch mechanism and a clamping mechanism. The clutch mechanism includes a clutch external gear and a clutch internal gear. The clutch external gear is arranged at the output end of the speed regulating component. The clutch internal gear can mesh with the clutch external gear. The end of the clutch internal gear away from the speed regulating component is fixed with a clamping mechanism, and the additive component can extend into the interior of the workpiece to be repaired. The device is easy to operate and has a good repair effect. It can realize the remanufacturing of waste products and avoid waste of resources.

Description

Technical Field

[0001] The present invention relates to the technical field of internal thread repair, and in particular to an internal thread material additive repair device. Background Art

[0002] There are many equipment and tools in engineering machinery that are generally fixed and connected by nuts and bolts. The internal threads of the nuts will wear out due to long-term use, causing thread slippage. At this time, the worn nuts are generally scrapped, which will cause a great waste of resources. Therefore, how to overcome the above defects has become a problem that technicians in this field need to solve urgently. Summary of the invention

[0003] In order to solve the above technical problems, the present invention provides an internal thread additive repair device, which is easy to operate and has good repair effect. It can realize the remanufacturing of waste products and avoid waste of resources.

[0004] To achieve the above object, the present invention provides the following solutions:

[0005] The present invention provides an internal thread additive repair device, comprising a moving component, a rotating component, a speed regulating component, a gear component, an additive component and a connecting component, wherein the moving component comprises a driving component and a linear motion mechanism, wherein the additive component is connected to the linear motion mechanism via the connecting component, wherein the additive component is located at one side of the linear motion mechanism, wherein the driving component is used to drive the connecting component and the additive component to perform linear motion, wherein one end of the linear motion mechanism away from the driving component is connected to an input end of the speed regulating component via the gear component; wherein the rotating component comprises a clutch mechanism and a clamping mechanism, wherein the clutch mechanism comprises a clutch external gear and a clutch internal gear, wherein the clutch external gear is arranged at the output end of the speed regulating component, wherein the clutch internal gear can mesh with the clutch external gear, wherein the clamping mechanism is fixed to one end of the clutch internal gear away from the speed regulating component, wherein the clamping mechanism is used to clamp a workpiece to be repaired, and wherein the additive component can extend into the interior of the workpiece to be repaired.

[0006] Preferably, the linear motion mechanism includes a transmission screw, a screw nut, a fixed support rod and two screw supports, the two ends of the fixed support rod are respectively fixed to the two screw supports, the two ends of the transmission screw are respectively installed on the two screw supports, the transmission screw is connected to the driving component at one end extending from one of the screw supports, and the transmission screw is connected to the gear assembly at one end extending from the other of the screw supports, the screw nut is installed on the transmission screw, and the connecting assembly is installed on the screw nut and the fixed support rod.

[0007] Preferably, the connecting assembly includes a moving block, a column, a transverse connecting rod, a sleeve and a locking bolt, one side of the moving block is installed on the screw nut, and the other side of the moving block is sleeved on the fixed support rod, the column is fixed to the upper part of the moving block, the transverse connecting rod is fixed to one side of the column, a sleeve is fixed at one end of the transverse connecting rod away from the column, the locking bolt is installed on the sleeve, and the additive assembly is installed in the sleeve.

[0008] Preferably, the additive assembly includes a vertical connecting rod, a mounting block, a welding wire introduction tube bracket, a welding wire introduction tube and two nuts with holes. The vertical connecting rod is installed in the sleeve and can be fixed by the locking bolt. The mounting block is fixed to the lower end of the vertical connecting rod. The welding wire introduction tube bracket is horizontally sleeved in the mounting block. The welding wire introduction tube is fixedly sleeved in the welding wire introduction tube bracket. A nut with holes is respectively provided at both ends of the welding wire introduction tube.

[0009] Preferably, the gear assembly includes a first gear and a second gear, the first gear is fixed to an end of the transmission screw away from the driving component, the second gear is arranged on the input end of the speed regulating assembly, and the first gear is meshed with the second gear.

[0010] Preferably, the speed regulation assembly includes a continuously variable transmission and a hydraulic control valve, the continuously variable transmission is provided with a transmission input shaft and a transmission output shaft, the hydraulic control valve is used to adjust the transmission ratio between the transmission input shaft and the transmission output shaft, the second gear is fixed on the transmission input shaft, and the clutch external gear is fixed on the transmission output shaft.

[0011] Preferably, the clamping mechanism includes a three-jaw chuck and a plurality of connecting rods arranged on one side of the three-jaw chuck, the clutch internal gear is fixed to one end of the connecting rods away from the three-jaw chuck, an adjustment hole is provided on the three-jaw chuck, and an adjustment pin is provided in the adjustment hole.

[0012] Preferably, the clutch mechanism also includes a vertical bevel gear and a transverse bevel gear, and the transmission output shaft is sequentially provided with a vertical bevel gear, a clutch external gear and a raised support portion, the cross-section of the upper end of the adjusting pin is non-circular, and a non-circular through hole is provided at the center of the transverse bevel gear, and the transverse bevel gear can be sleeved on the upper end of the adjusting pin through the non-circular through hole.

[0013] Compared with the prior art, the present invention has achieved the following technical effects:

[0014] The internal thread additive repair device provided by the present invention comprises a moving component, a rotating component, a speed regulating component, a gear component, an additive component and a connecting component, wherein the moving component comprises a driving component and a linear motion mechanism, and one end of the linear motion mechanism away from the driving component is connected to the input end of the speed regulating component through the gear component; the rotating component comprises a clutch mechanism and a clamping mechanism, and the clutch mechanism comprises a clutch external gear and a clutch internal gear, the clutch external gear is arranged at the output end of the speed regulating component, and the one end of the clutch internal gear away from the speed regulating component is fixed with a clamping mechanism, and the clamping mechanism is used to clamp the workpiece to be repaired, and the additive component can extend into the interior of the workpiece to be repaired. When working, the driving component transmits the driving force to the clutch external gear through the gear assembly and the speed regulating assembly. When the clutch internal gear fixed with the clamping mechanism and the clutch external gear are meshed, the driving force is transmitted to the clamping mechanism and can drive the clamping mechanism to drive the workpiece to be repaired to rotate. At the same time, the additive component can perform linear motion. The combination of the two motions can perform surfacing welding on the surface of the internal thread, thereby realizing additive repair of the internal thread. The operation is convenient, the repair effect is good, and the waste product can be remanufactured to avoid wasting resources. At the same time, the speed regulating assembly can achieve the ratio of the linear motion speed of the additive component to the rotation speed of the clamping mechanism, thereby being able to repair the internal threads of nuts of different specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a schematic structural diagram of the internal thread additive repair device provided by the present invention;

[0017] Figure 2 A schematic diagram of the structure of a moving component, a speed regulating component and an additive component in the internal thread additive repair device provided by the present invention;

[0018] Figure 3 A schematic structural diagram of a clutch mechanism in the internal thread additive repair device provided by the present invention;

[0019] Figure 4 A schematic diagram of the meshing of the vertical bevel gear and the transverse bevel gear in the internal thread additive repair device provided by the present invention;

[0020] Figure 5 This is a schematic diagram of the engagement of the clutch internal gear and the clutch external gear in the internal thread additive repair device provided by the present invention.

[0021] Explanation of the reference numerals in the accompanying drawings: 100, internal thread additive repair device; 1, driving component; 2, transmission screw; 3, fixed support rod; 4, screw support; 5, first gear; 6, second gear; 7, continuously variable transmission; 8, hydraulic control valve; 9, transmission input shaft; 10, transmission output shaft; 11, moving block; 12, column; 13, transverse connecting rod; 14, sleeve; 15, locking bolt; 16, vertical connecting rod; 17, mounting block; 18, welding wire introduction pipe bracket; 19, welding wire introduction pipe; 20, nut with hole; 21, vertical bevel gear; 22, transverse bevel gear; 23, clutch external gear; 24, raised support portion; 25, clutch internal gear; 26, connecting rod; 27, three-jaw chuck; 28, adjusting pin; 29, workpiece to be repaired. DETAILED DESCRIPTION

[0022] 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.

[0023] The purpose of the present invention is to provide an internal thread additive repair device, which is easy to operate and has a good repair effect, can realize the remanufacturing of discarded products, and avoid waste of resources.

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] like Figure 1-Figure 3 As shown, this embodiment provides an internal thread additive repair device 100, including a moving component, a rotating component, a speed regulating component, a gear component, an additive component and a connecting component, the moving component includes a driving component 1 and a linear motion mechanism, the additive component is connected to the linear motion mechanism through the connecting component, the additive component is located on one side of the linear motion mechanism, the driving component 1 is used to drive the connecting component and the additive component to perform linear motion, and the end of the linear motion mechanism away from the driving component 1 is connected to the input end of the speed regulating component through the gear component; the rotating component includes a clutch mechanism and a clamping mechanism, the clutch mechanism includes a clutch external gear 23 and a clutch internal gear 25, the clutch external gear 23 is arranged at the output end of the speed regulating component, the clutch internal gear 25 can mesh with the clutch external gear 23, and the end of the clutch internal gear 25 away from the speed regulating component is fixed with a clamping mechanism, the clamping mechanism is used to clamp the workpiece 29 to be repaired, the additive component can extend into the workpiece 29 to be repaired, and the workpiece 29 to be repaired in this embodiment is a copper nut.

[0026] During operation, the driving component 1 transmits the driving force to the clutch external gear 23 through the linear motion mechanism, the gear assembly and the speed regulating assembly. When the clutch internal gear 25 fixed with the clamping mechanism and the clutch external gear 23 are meshed, the driving force is transmitted to the clamping mechanism and can drive the clamping mechanism to drive the workpiece 29 to be repaired to rotate. At the same time, the additive assembly can perform linear motion. The two motions are combined to perform surfacing welding on the surface of the internal thread, thereby realizing additive repair of the internal thread. The operation is convenient and the repair effect is good. The waste product can be remanufactured, and the waste of resources caused by directly scrapping the nut can be avoided. After the surface layer of the internal thread of the nut is worn, in this embodiment, by surfacing a layer of thread on the surface of the internal thread, the internal thread of the nut after wear can be restored to the initial state, and the repair restoration can be more accurate. At the same time, the speed regulating assembly can adjust the ratio of the linear motion speed of the additive assembly to the rotation speed of the clamping mechanism, thereby repairing the internal threads of nuts of different specifications.

[0027] like Figure 2 As shown, the linear motion mechanism includes a transmission screw 2, a screw nut, a fixed support rod 3 and two screw supports 4, the two ends of the fixed support rod 3 are respectively fixed on the two screw supports 4, the two ends of the transmission screw 2 are respectively installed on the two screw supports 4, the end of the transmission screw 2 extending from one screw support 4 is connected to the driving component 1, the end of the transmission screw 2 extending from the other screw support 4 is connected to the gear assembly, the screw nut is installed on the transmission screw 2, and the connecting assembly is installed on the screw nut and the fixed support rod 3. The fixed support rod 3 is provided to support and guide the connecting assembly, so that the operation of the connecting assembly is more stable. Specifically, the driving component 1 is a speed regulating motor.

[0028] The connecting assembly includes a moving block 11, a column 12, a transverse connecting rod 13, a sleeve 14 and a locking bolt 15. One side of the moving block 11 is mounted on the screw nut, and the other side of the moving block 11 is sleeved on the fixed support rod 3. The column 12 is fixed to the upper part of the moving block 11, and the transverse connecting rod 13 is fixed to one side of the column 12. The end of the transverse connecting rod 13 away from the column 12 is fixed with a sleeve 14, and the locking bolt 15 is installed on the sleeve 14. The additive assembly is installed in the sleeve 14. When the driving component 1 is working, it drives the transmission screw 2 to rotate, thereby driving the moving block 11 to move in the horizontal direction, and driving the additive assembly fixedly connected to the moving block 11 to perform linear motion.

[0029] The additive assembly includes a vertical connecting rod 16, a mounting block 17, a welding wire introduction tube bracket 18, a welding wire introduction tube 19 and two nuts with holes 20. The vertical connecting rod 16 is installed in the sleeve 14 and can be fixed by a locking bolt 15. The lower end of the vertical connecting rod 16 is fixed with a mounting block 17. The welding wire introduction tube bracket 18 is horizontally sleeved in the mounting block 17. The welding wire introduction tube 19 is fixedly sleeved in the welding wire introduction tube bracket 18. A nut with a hole 20 is respectively arranged at both ends of the welding wire introduction tube 19. The welding wire enters the welding wire introduction tube 19 from the nut with a hole 20 and extends from the nut with a hole 20 at the other end to perform a surfacing operation. The surfacing operation is carried out with an existing welding machine. The vertical connecting rod 16 can move vertically in the sleeve 14, and then the height of the entire additive assembly can be adjusted, making the device more flexible and convenient for adjusting the position of the welding wire introduction tube 19 in the vertical direction according to actual needs.

[0030] The gear assembly includes a first gear 5 and a second gear 6. The first gear 5 is fixed to the end of the transmission screw 2 away from the driving component 1, and the second gear 6 is arranged on the input end of the speed regulation assembly. The first gear 5 is meshed with the second gear 6, thereby realizing the transmission of the driving force of the driving component 1 to the speed regulation assembly.

[0031] The speed regulating assembly includes a continuously variable transmission 7 and a hydraulic control valve 8. The continuously variable transmission 7 is provided with a transmission input shaft 9 and a transmission output shaft 10. The hydraulic control valve 8 is used to adjust the transmission ratio between the transmission input shaft 9 and the transmission output shaft 10. The second gear 6 is fixed to the transmission input shaft 9, and the clutch external gear 23 is fixed to the transmission output shaft 10, thereby adjusting the ratio of the linear motion speed of the additive assembly and the rotation speed of the clamping mechanism. The continuously variable transmission 7 in this embodiment is a CVT continuously variable transmission.

[0032] The clamping mechanism includes a three-jaw chuck 27 and a plurality of connecting rods 26 arranged on one side of the three-jaw chuck 27. A clutch internal gear 25 is fixed to one end of the plurality of connecting rods 26 away from the three-jaw chuck 27. An adjustment hole is provided on the three-jaw chuck 27, and an adjustment pin 28 is provided in the adjustment hole. Rotating the adjustment pin 28 can realize the movement of the movable jaws on the three-jaw chuck 27, thereby realizing the clamping or loosening of the workpiece 29 to be repaired.

[0033] like Figure 3As shown, the clutch mechanism also includes a vertical bevel gear 21 and a transverse bevel gear 22. The vertical bevel gear 21, the clutch external gear 23 and the raised support portion 24 are sequentially arranged on the transmission output shaft 10. The three-jaw chuck 27 is sleeved on the raised support portion 24. The raised support portion 24 supports the three-jaw chuck 27. The three-jaw chuck 27 can reciprocate along the axial direction of the transmission output shaft 10. The cross-section of the upper end of the adjusting pin 28 is non-circular. A non-circular through hole is arranged at the center of the transverse bevel gear 22. The transverse bevel gear 22 can be sleeved on the upper end of the adjusting pin 28 through the non-circular through hole. When the transverse bevel gear 22 rotates, it will drive the adjusting pin 28 to rotate.

[0034] like Figure 4 As shown in the figure, when the clutch inner gear 25 is located between the vertical bevel gear 21 and the clutch outer gear 23, the transverse bevel gear 22 is meshed with the vertical bevel gear 21. At this time, the vertical bevel gear 21 moves and drives the transverse bevel gear 22 and the adjustment pin 28 to rotate, so that the clamping degree of the three-jaw chuck 27 on the workpiece 29 to be repaired can be adjusted. Move the three-jaw chuck 27 forward to make it in Figure 5 The state is such that the clutch internal gear 25 is meshed with the clutch external gear 23, the transverse bevel gear 22 is separated from the vertical bevel gear 21, the transverse bevel gear 22 and the adjusting pin 28 are removed, and the vertical bevel gear 21 can drive the three-jaw chuck 27 to rotate through the clutch external gear 23 and the clutch internal gear 25 when it moves, and the additive repair operation is performed at this time.

[0035] The present specification uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. An internal thread additive repair device, characterized in that: The invention comprises a moving component, a rotating component, a speed regulating component, a gear component, an additive component and a connecting component, wherein the moving component comprises a driving component and a linear motion mechanism, wherein the additive component is connected to the linear motion mechanism through the connecting component, and the additive component is located at one side of the linear motion mechanism, wherein the driving component is used to drive the connecting component and the additive component to perform linear motion, and the end of the linear motion mechanism away from the driving component is connected to the input end of the speed regulating component through the gear component; the rotating component comprises a clutch mechanism and a clamping mechanism, wherein the clutch mechanism comprises a clutch external gear and a clutch internal gear, wherein the clutch external gear is arranged at the output end of the speed regulating component, the clutch internal gear can mesh with the clutch external gear, and the clamping mechanism is fixed to the end of the clutch internal gear away from the speed regulating component, wherein the clamping mechanism is used to clamp the workpiece to be repaired, and the additive component can extend into the interior of the workpiece to be repaired to perform surfacing welding on the surface of the internal thread; the linear motion mechanism comprises a transmission screw, a screw nut, a fixed support rod and two screws The support, the two ends of the fixed support rod are respectively fixed on the two screw supports, the two ends of the transmission screw are respectively installed on the two screw supports, the end of the transmission screw extending from one of the screw supports is connected to the driving component, and the end of the transmission screw extending from the other screw support is connected to the gear assembly, the screw nut is installed on the transmission screw, and the connecting assembly is installed on the screw nut and the fixed support rod; the gear assembly includes a first gear and a second gear, the first gear is fixed to the end of the transmission screw away from the driving component, the second gear is arranged on the input end of the speed regulating assembly, and the first gear is meshed with the second gear; the speed regulating assembly includes a continuously variable transmission and a hydraulic control valve, the continuously variable transmission is provided with a transmission input shaft and a transmission output shaft, the hydraulic control valve is used to adjust the transmission ratio between the transmission input shaft and the transmission output shaft, the second gear is fixed on the transmission input shaft, and the clutch external gear is fixed on the transmission output shaft.

2. The internal thread additive repair device according to claim 1, characterized in that: The connecting assembly includes a moving block, a column, a transverse connecting rod, a sleeve and a locking bolt. One side of the moving block is installed on the screw nut, and the other side of the moving block is sleeved on the fixed support rod. The column is fixed to the upper part of the moving block, the transverse connecting rod is fixed to one side of the column, and a sleeve is fixed to the end of the transverse connecting rod away from the column. The locking bolt is installed on the sleeve, and the additive assembly is installed in the sleeve.

3. The internal thread additive repair device according to claim 2, characterized in that: The additive assembly includes a vertical connecting rod, a mounting block, a welding wire introduction tube bracket, a welding wire introduction tube and two nuts with holes. The vertical connecting rod is installed in the sleeve and can be fixed by the locking bolt. The mounting block is fixed to the lower end of the vertical connecting rod. The welding wire introduction tube bracket is horizontally sleeved in the mounting block. The welding wire introduction tube is fixedly sleeved in the welding wire introduction tube bracket. A nut with holes is respectively provided at both ends of the welding wire introduction tube.

4. The internal thread additive repair device according to claim 1, characterized in that: The clamping mechanism includes a three-jaw chuck and a plurality of connecting rods arranged on one side of the three-jaw chuck, the clutch internal gear is fixed to one end of the connecting rods away from the three-jaw chuck, an adjustment hole is arranged on the three-jaw chuck, and an adjustment pin is arranged in the adjustment hole.

5. The internal thread additive repair device according to claim 4, characterized in that: The clutch mechanism also includes a vertical bevel gear and a transverse bevel gear. The transmission output shaft is sequentially provided with a vertical bevel gear, a clutch external gear and a raised support portion. The cross-section of the upper end of the adjusting pin is non-circular. A non-circular through hole is provided at the center of the transverse bevel gear. The transverse bevel gear can be sleeved on the upper end of the adjusting pin through the non-circular through hole.

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