Handheld conical surface repair processing machine

Abstract

The utility model discloses a handheld conical surface repair processing machine which comprises a shell, a tool bit assembly, a feeding motor, a transmission mechanism and a rotating motor, the feeding motor, the transmission mechanism and the rotating motor are arranged in the shell, a threaded connecting cover is connected to the outer side of a connecting sleeve in a threaded mode, an end cover is arranged at the end of the threaded connecting cover, and an inner threaded through hole is formed in the middle of the end cover. The internal thread through hole is used for being connected to a pipe joint to be repaired; a locking nut is arranged on the outer thread of the connecting sleeve and located on the side, away from the inner thread through hole, of the threaded connecting cover, and a locking wrench is arranged on the outer side of the end cover. By the adoption of the technical scheme, the conical surface of the pipe joint can be machined and repaired in a handheld mode, the device is suitable for directly machining the conical surface of an installed joint under the working condition that the joint is not dismantled, so that the use requirement of the conical surface of the pipe joint is met, and the tool bit can be automatically pushed through the feeding motor; the device has the advantages of small size, low weight, simplicity in operation, suitability for hand holding and the like.

Description

Technical Field

[0001] The utility model relates to a handheld cone surface repairing machine, belonging to the technical field of mechanical processing equipment. Background Art

[0002] Aircraft system pipe connections use a lot of conical connection technology. The sealing performance of the conical surface is reduced due to conical surface damage or repeated installation on the conical surface. The Chinese patent document CN210761367U discloses a conical surface repair tool for pipe joints. When the tool holder rotates, the outer sleeve can be rotated to push the shaft shoulder to achieve feeding, so as to improve the feeding stability. However, the current conical surface repair device has the following defects: 1. The connection structure with the conical surface joint is unstable; 2. The tool holder is pushed forward by manual screwing, and the degree of automation is poor. Utility Model Content

[0003] Therefore, the purpose of the present invention is to overcome the defects in the above-mentioned prior art and provide a novel handheld cone repairing machine.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a hand-held cone surface repair processing machine, including a shell, a cutter head assembly, and a feed motor, a transmission mechanism, and a rotary motor arranged in the shell. The rotary motor is slidably installed in the shell, and the feed motor is connected to the rotary motor through the transmission mechanism, and the rotary motor can be driven to move linearly forward and backward by the feed motor; the cutter head assembly includes a connecting sleeve, a tool rod mounting seat located in the connecting sleeve, a tool rod mounted on the tool rod mounting seat, and a cutter head located at the end of the tool rod, the connecting sleeve is connected to the end of the shell, and the cutter head extends outward at the end of the connecting sleeve away from the shell; the tool rod is connected to the power output end of the rotary motor and can be rotated The rotating motor drives the rotation and moves forward and backward with the rotating motor; an outer side wall of the connecting sleeve is provided with an external thread, a threaded connection cover is screwed on the outer side of the connecting sleeve, an end cover is provided at the end of the threaded connection cover, an internal threaded through hole is provided in the middle of the end cover, and the internal threaded through hole is used to connect to the pipe joint to be repaired; a locking nut is provided on the external thread of the connecting sleeve and on the side of the threaded connection cover away from the internal threaded through hole, and the locking nut can be pressed on the threaded connection cover; a locking wrench is provided on the outer side of the end cover, a screw hole is provided in the middle of the locking wrench for screwing on the outer side of the pipe joint to be repaired, and the locking wrench can be pressed on the end cover.

[0005] The housing comprises a handle section, a middle section and a connecting section which are fixedly connected in sequence by screws; the feed motor is located in the handle section; the rotating motor is located in the middle section; and the connecting sleeve is connected to the connecting section.

[0006] The connection sleeve comprises a flared portion and a narrowed portion, wherein the diameter of the flared portion is larger than the diameter of the narrowed portion; the flared portion is sleeved on the outside of the connection section and fixed by a positioning screw.

[0007] A bearing is arranged in the necking portion, and the bearing is sleeved on the outside of the knife rod.

[0008] The knife bar is detachably fixed on a knife bar mounting seat, and the knife bar mounting seat is fixed to the motor shaft of the rotating motor.

[0009] The tool bar mounting seat is fixed with a synchronous sleeve, the synchronous sleeve is partially sleeved on the outside of the tool bar mounting seat and partially sleeved on the outside of the motor shaft of the rotating motor, and the synchronous sleeve is key-connected with the motor shaft of the rotating motor.

[0010] The transmission mechanism is a screw-nut mechanism.

[0011] By adopting the above technical scheme, the handheld cone surface repair processing machine of the utility model can be handheld to process and repair the cone surface of the pipe joint. It is suitable for directly processing the cone surface of the installed joint without removing the joint to meet the use requirements of the cone surface of the pipe joint. The cutter head can be automatically advanced by the feed motor, and has the advantages of small size, low weight, simple operation, and suitable for handholding. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the handheld cone surface repairing machine of the utility model.

[0013] Figure 2 It is a schematic diagram of the structure of the handheld cone surface repairing machine of the utility model after removing the shell.

[0014] Figure 3 It is a three-dimensional cross-sectional view of the handheld cone surface repairing machine of the utility model.

[0015] Figure 4 It is a longitudinal cross-sectional view of the handheld cone surface repairing machine of the utility model.

[0016] Figure 5 It is a schematic diagram of the exploded view of the connecting cover and the connecting sleeve. DETAILED DESCRIPTION

[0017] The present invention is further described in detail below through the accompanying drawings and specific implementation methods.

[0018] like Figure 1-5 As shown, a handheld cone surface repairing machine of the utility model comprises a housing 1, a cutter head assembly 2, and a feed motor 3, a transmission mechanism 4, and a rotating motor 5 arranged in the housing 1.

[0019] The housing 1 includes a handle section 11, an intermediate section 12 and a connecting section 13 which are fixedly connected in sequence by screws, the feed motor 3 is located in the handle section 11, the rotary motor 5 is slidably installed in the intermediate section 12, the connecting section 13 is located on the front side of the intermediate section 12 and is connected to a connecting sleeve 21, and the connecting sleeve 21 is used to connect the pipe joint 100 to be repaired.

[0020] The feed motor 3 is connected to the rotating motor 5 through a transmission mechanism 4. In the present embodiment, the transmission mechanism 4 is a screw-nut mechanism. The power output end of the feed motor 3 is connected to the screw, on which a nut is sleeved. The front and rear ends of the rotating motor 5 are respectively provided with a front slip ring 51 and a rear slip ring 52. The nut is fixed to the rear slip ring 52 by screws. The feed motor 3 can drive the rotating motor 5 to move linearly forward and backward.

[0021] The cutter head assembly 2 includes the connecting sleeve 21, a cutter bar mounting seat 22 located in the connecting sleeve 21, a cutter bar 23 mounted on the cutter bar mounting seat 22, and a cutter head 24 located at the end of the cutter bar 23. The cutter head 24 extends outward from the end of the connecting sleeve 21 away from the shell 1.

[0022] The knife bar 23 is connected to the power output end of the rotary motor 5 and can be driven to rotate by the rotary motor 5 and move forward and backward with the rotary motor 5. Specifically, the knife bar 23 can be detachably fixed on a knife bar mounting seat 22, and the knife bar mounting seat 22 is fixed to the motor shaft of the rotary motor 5. The knife bar mounting seat 22 is fixed with a synchronous sleeve 25, and the synchronous sleeve 25 is partially sleeved on the outside of the knife bar mounting seat 22 and partially sleeved on the outside of the motor shaft of the rotary motor 5. The synchronous sleeve 25 is key-connected with the motor shaft of the rotary motor 5. The knife bar mounting seat 22 is provided with a plug hole 221, and the knife bar 23 is inserted into the plug hole 221. A spring pin 26 is provided on the side wall of the plug hole 221, and a pin hole matching the spring pin 26 is provided on the knife bar 23. The spring pin 26 can limit the knife bar 23 after it is inserted into the plug hole 221, and can realize the rapid disassembly and assembly of the cutter head 24 and the knife bar 23.

[0023] The connection sleeve 21 includes a flared portion 21a and a narrowed portion 21b, wherein the diameter of the flared portion 21a is larger than that of the narrowed portion 21b; the flared portion 21a is sleeved on the outside of the connection section 13 and fixed by a positioning screw. A bearing is arranged in the narrowed portion 21b, and the bearing sleeves on the outside of the knife bar 23.

[0024] The outer wall of the connection sleeve 21 is provided with an external thread, a threaded connection cover 6 is screwed to the outside of the connection sleeve 21, an end cap 61 is provided at the end of the threaded connection cover 6, and an internal threaded through hole 611 is provided in the middle of the end cap 61, and the internal threaded through hole 611 is used to connect to the pipe joint 100 to be repaired. A locking nut 7 is provided on the external thread of the connection sleeve 21 and on the side of the threaded connection cover 6 away from the internal threaded through hole 611, and the locking nut 7 can be pressed on the threaded connection cover 6. A locking wrench 8 is provided on the outside of the end cap 61, and a screw hole is provided in the middle of the locking wrench 8 for screwing to the outside of the pipe joint 100 to be repaired, and the locking wrench 8 can be pressed on the end cap 61. By respectively pressing the locking nut 7 and the locking wrench 8 on the front and rear ends of the threaded connection cover 6, a better locking effect can be achieved.

[0025] The handheld cone surface repair processing machine of the utility model has the following beneficial effects: the pipe joint 100 to be repaired, the threaded connection cover 6, and the connecting sleeve 21 can all be connected by threaded connections to install the tooling in place, which is relatively convenient; the locking wrench 8 independent of the threaded connection cover 6 can be used to control its thickness to adapt to the extension amount of different pipe joints at the installation position, while the threaded connection cover 6, the tool rod 23 and the blade are universal under the same thread specifications; the overall structure of the handheld cone surface repair processing machine is compact and the diameter is small, and it can be manually disassembled and assembled without tools; the tooling part is reduced in diameter and elongated, which is suitable for the repair processing of the undisassembled joint cone surface with very limited operating space; the tool rod 23 is a quick-disassembly and quick-assembly design, which is convenient for switching when repairing and processing the cone surfaces of joints of different sizes; only the tool rod 23, the threaded connection cover 6 and the locking wrench 8 are matched with the pipe joint cone surface, and the rest are universal parts, which is convenient for switching processing specifications.

[0026] Obviously, the above embodiments are only examples for clear explanation, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from them are still within the protection scope of the invention of the utility model.

Claims

1. A handheld cone repair machine, characterized in that: The invention comprises a shell, a cutter head assembly, a feed motor, a transmission mechanism and a rotary motor arranged in the shell, wherein the rotary motor is slidably installed in the shell, the feed motor is connected to the rotary motor through the transmission mechanism, and the rotary motor can be driven to move linearly forward and backward by the feed motor; the cutter head assembly comprises a connecting sleeve, a cutter rod mounting seat located in the connecting sleeve, a cutter rod mounted on the cutter rod mounting seat and a cutter head located at the end of the cutter rod, the connecting sleeve is connected to the end of the shell, and the cutter head extends outward at the end of the connecting sleeve away from the shell; the cutter rod is connected to the power output end of the rotary motor and can be driven to rotate by the rotary motor and rotate along with the rotary motor The machine moves forward and backward; an outer wall of the connecting sleeve is provided with an external thread, a threaded connection cover is screwed on the outer side of the connecting sleeve, an end cover is provided at the end of the threaded connection cover, an internal threaded through hole is provided in the middle of the end cover, and the internal threaded through hole is used to connect to the pipe joint to be repaired; a locking nut is provided on the external thread of the connecting sleeve and on the side of the threaded connection cover away from the internal threaded through hole, and the locking nut can be pressed on the threaded connection cover; a locking wrench is provided on the outer side of the end cover, a screw hole is provided in the middle of the locking wrench for screwing on the outer side of the pipe joint to be repaired, and the locking wrench can be pressed on the end cover.

2. The handheld cone repairing machine according to claim 1, characterized in that: The housing comprises a handle section, a middle section and a connecting section which are fixedly connected in sequence by screws; the feed motor is located in the handle section; the rotating motor is located in the middle section; and the connecting sleeve is connected to the connecting section.

3. The handheld cone repairing machine according to claim 2, characterized in that: The connection sleeve comprises a flared portion and a narrowed portion, wherein the diameter of the flared portion is larger than the diameter of the narrowed portion; the flared portion is sleeved on the outside of the connection section and fixed by a positioning screw.

4. The handheld cone repairing machine according to claim 3, characterized in that: A bearing is arranged in the necking portion, and the bearing is sleeved on the outside of the knife rod.

5. The handheld cone repairing machine according to any one of claims 1 to 4, characterized in that: The knife bar is detachably fixed on a knife bar mounting seat, and the knife bar mounting seat is fixed to the motor shaft of the rotating motor.

6. The handheld cone surface repairing machine according to claim 5, characterized in that: The tool bar mounting seat is fixed with a synchronous sleeve, the synchronous sleeve is partially sleeved on the outside of the tool bar mounting seat and partially sleeved on the outside of the motor shaft of the rotating motor, and the synchronous sleeve is key-connected with the motor shaft of the rotating motor.

7. The handheld cone repairing machine according to claim 5, characterized in that: A spring pin and a pin hole matching the spring pin are arranged on the knife rod.

8. The handheld cone repairing machine according to any one of claims 1 to 4, characterized in that: The transmission mechanism is a screw-nut mechanism.

Images