Cutter for machining camshaft hole of camshaft chamber of new energy hybrid automobile engine

Abstract

A cutter for machining a camshaft hole of a camshaft chamber of a new energy hybrid vehicle engine comprises a tapping cutter holder, a main tapping cutter shaft, a plurality of transition cutter shafts, a tail end cutter shaft, side cutter blocks, a driving bevel gear, a driven bevel gear and a cutter block adjusting screw rod, the main tapping cutter shaft is arranged at the bottom of the tapping cutter holder, and the transition cutter shafts are arranged at the bottom of the main tapping cutter shaft. A tail end cutter shaft is arranged at the bottom of the transition cutter shaft, a trepanning cutter is arranged at the bottom of the tail end cutter shaft, one end of the main trepanning cutter shaft and one end of the transition cutter shaft are each provided with a cutter shaft position adjusting screw and a cutter shaft butt joint column, the cutter shaft position adjusting screws are located in the middle, and the cutter shaft butt joint columns are evenly arranged around the cutter shaft position adjusting screws. The other end of the transition cutter shaft and the other end of the tail end cutter shaft are each provided with a position adjusting pipe connecting groove and a cutter shaft butt joint groove, the position adjusting pipe connecting grooves are located in the middle, and the cutter shaft butt joint grooves are evenly arranged around the position adjusting pipe connecting grooves.

Description

Technical Field

[0001] This utility model relates to the field of camshaft housing machining, and in particular to a cutting tool for machining camshaft holes in the camshaft housing of new energy hybrid vehicle engines. Background Technology

[0002] An existing patent (publication number: CN112191873A) proposes a tool for machining camshaft holes in the camshaft chamber of a new energy hybrid vehicle engine, comprising a boring head, a connecting rod, and a boring bar. The boring head and boring bar are respectively disposed at both ends of the connecting rod. A fine-tuning connecting rod is fixedly disposed at one end of the boring head, and a sliding groove is disposed at one end of the fine-tuning connecting rod, with one end of the sliding groove extending into the inner cavity of the fine-tuning connecting rod. A fine-tuning sliding rod is movably engaged in the sliding groove. However, in this device, "the connecting rod and the first boring bar and the first boring bar and the second boring bar are both connected by connecting pins," and the relative positions between the boring bars are fixed, which limits its adaptability when machining engine covers with different hole spacings. Summary of the Invention

[0003] This utility model addresses the aforementioned shortcomings of existing technologies by providing a tool for machining camshaft holes in the camshaft housing of new energy hybrid vehicle engines. This tool features a separate design for the main drilling cutter shaft, transition cutter shaft, and end cutter shaft. When these three shafts are connected, their relative distances are determined by the cooperation between the cutter shaft adjusting tube and the cutter shaft adjusting screw. This allows the operator to freely decide the number and position of the transition cutter shafts during the drilling process, thus adapting to drilling operations on different types of camshaft holes. This makes it a more adaptable tool for machining camshaft holes in the camshaft housing of new energy hybrid vehicle engines.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A cutting tool for machining camshaft holes in the camshaft housing of a new energy hybrid vehicle engine includes a hole-opening tool holder, a main hole-opening tool shaft, transition tool shafts, an end tool shaft, side tool blocks, a driving bevel gear, a driven bevel gear, and a tool block adjusting screw. The hole-opening tool holder has a main hole-opening tool shaft at its bottom, multiple transition tool shafts are arranged at their bottom, and an end tool shaft is arranged at its bottom. The end tool shaft has a hole-opening tool at its bottom. One end of the main hole-opening tool shaft and the transition tool shafts each has a tool shaft adjusting screw and a tool shaft mating post. The tool shaft adjusting screw is positioned... In the central position, the cutter shaft docking posts are evenly arranged around the cutter shaft adjusting screw. The other end of the transition cutter shaft and the end cutter shaft both have adjusting tube connecting grooves and cutter shaft docking grooves. The adjusting tube connecting groove is in the central position, and the cutter shaft docking grooves are evenly arranged around the adjusting tube connecting groove. The cutter shaft docking posts are adapted to the cutter shaft docking grooves. The cutter shaft docking posts and cutter shaft docking grooves between adjacent transition cutter shafts and main opening cutter shafts, and between adjacent transition cutter shafts and end cutter shafts, are interconnected. The cutter shaft docking posts slide inside the cutter shaft docking grooves.

[0006] The inner side of the adjusting tube connecting groove has an internal gear bearing groove, the middle of the internal gear bearing groove has a main gear mounting shaft, the side of the main gear mounting shaft has a side gear mounting shaft, the internal gear bearing groove is provided with a driven bevel gear, the end of the main gear mounting shaft is rotatably connected to the driven bevel gear, the side of the driven bevel gear facing the adjusting tube connecting groove has a cutter shaft adjusting tube, the cutter shaft adjusting tube is adapted to the adjusting tube connecting groove, the cutter shaft adjusting tube is connected to the adjusting tube connecting groove, the cutter shaft adjusting tube rotates inside the adjusting tube connecting groove, the cutter shaft adjusting tube is provided with a cutter shaft adjusting screw groove inside, the cutter shaft adjusting screw groove is threadedly connected to the cutter shaft adjusting screw, and the internal gear bearing groove is provided with a driving bevel gear.

[0007] The end of the side gear mounting shaft is rotatably connected to the active bevel gear. The side of the inner gear bearing groove has a gear shaft mounting groove. The top of the active bevel gear has a bevel gear mounting shaft. The bevel gear mounting shaft is rotatably connected to the gear shaft mounting groove. The side of the gear shaft mounting groove has a gear button mounting groove. The side of the bevel gear mounting shaft has a bevel gear drive button. The bevel gear drive button is rotatably connected to the gear button mounting groove. The transition cutter shaft has side cutter mounting grooves on both sides.

[0008] Beneficial effects: 1. When machining camshaft holes in the camshaft chamber of a new energy hybrid vehicle engine, this utility model uses a split design of main drilling cutter shaft, transition cutter shaft, and end cutter shaft. When the main drilling cutter shaft, transition cutter shaft, and end cutter shaft are connected to each other, the relative distance between them can be determined by the cooperation between the cutter shaft adjusting tube and the cutter shaft adjusting screw. This allows the operator to freely determine the number and position of the transition cutter shaft during the drilling operation, thus adapting to drilling operations of different types of camshaft holes and making it more adaptable.

[0009] 2. In this utility model, the length of the cutter shaft docking post is greater than the length of the cutter shaft adjusting screw. When connecting the main drilling cutter shaft with the transition cutter shaft, the transition cutter shaft with the transition cutter shaft, and the transition cutter shaft with the end cutter shaft, the cutter shaft docking post first connects to the cutter shaft docking groove, and then the cutter shaft adjusting screw groove connects to the cutter shaft adjusting screw. This ensures that no deflection occurs when connecting the main drilling cutter shaft with the transition cutter shaft, the transition cutter shaft with the transition cutter shaft, and the transition cutter shaft with the end cutter shaft, resulting in good connection stability.

[0010] 3. This utility model controls the relative distance between the side cutter block and the transition cutter shaft by rotating the cutter block adjusting screw, thereby controlling the radius of the side opening cutter. This allows the device to adapt to the opening requirements of different camshaft chambers, further increasing the adaptability of the device.

[0011] 4. The active bevel gear, driven bevel gear, and other components of this utility model are all located inside the transition cutter shaft and the end cutter shaft, so that the waste generated during the hole-opening process will not enter between the active bevel gear and the driven bevel gear, causing a failure in the fit between the active bevel gear and the driven bevel gear, thereby reducing the failure rate of this device. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of a tool structure for machining the camshaft hole in the camshaft chamber of a new energy hybrid vehicle engine, as described in this utility model.

[0013] Figure 2 This is a front cross-sectional view of a cutting tool used for machining the camshaft hole in the camshaft chamber of a new energy hybrid vehicle engine, as described in this utility model.

[0014] Figure 3 The present utility model Figure 2 Enlarged view of a specific area.

[0015] Figure 4 This is a diagram showing the installation state of the active bevel gear described in this utility model.

[0016] Figure 5 This is a schematic diagram of the transition cutter shaft structure described in this utility model.

[0017] Figure 6 This is a schematic diagram of the side blade block structure described in this utility model.

[0018] Figure 7 This is a schematic diagram of the hole-opening tool holder structure described in this utility model.

[0019] Figure 8 This is a schematic diagram of the driven bevel gear structure described in this utility model. Detailed Implementation

[0020] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:

[0021] Example 1:

[0022] A cutting tool for machining camshaft holes in the camshaft housing of a new energy hybrid vehicle engine includes a hole-opening tool holder 1, a main hole-opening tool shaft 2, a transition tool shaft 3, an end tool shaft 4, a side tool block 7, a driving bevel gear 15, a driven bevel gear 20, and a tool block adjusting screw 25. The hole-opening tool holder 1 has a main hole-opening tool shaft 2 at its bottom, and multiple transition tool shafts 3 are arranged at the bottom of the main hole-opening tool shaft 2. When machining the camshaft holes in the camshaft housing of a new energy hybrid vehicle engine, the main hole-opening tool shaft 2, the transition tool shafts 3, and the end tool shaft 4 are designed in a separate manner, allowing the main hole-opening tool shaft 2 and the transition tool shafts 3 to be used simultaneously. When the end cutter shafts 4 are connected to each other, the relative distance between the main drilling cutter shaft 2, the transition cutter shaft 3, and the end cutter shaft 4 can be determined through the cooperation between the cutter shaft adjusting tube 21 and the cutter shaft adjusting screw 10. This allows the operator to freely determine the number and position of the transition cutter shafts 3 during drilling operations, thus adapting to drilling operations of different types of cam shaft holes, making it more adaptable. The end cutter shaft 4 is set at the bottom of the transition cutter shaft 3, and the bottom of the end cutter shaft 4 has a drilling cutter 5. One end of the main drilling cutter shaft 2 and the transition cutter shaft 3 is equipped with a cutter shaft adjusting screw 10 and a cutter shaft docking post 9. The shaft adjusting screw 10 is in the centered position, and the cutter shaft docking posts 9 are evenly arranged around the cutter shaft adjusting screw 10. The other end of the transition cutter shaft 3 and the end cutter shaft 4 each has an adjusting tube connecting groove 12 and a cutter shaft docking groove 28. The adjusting tube connecting groove 12 is in the centered position, and the cutter shaft docking groove 28 is evenly arranged around it. The cutter shaft docking posts 9 are adapted to the cutter shaft docking groove 28. The cutter shaft docking posts 9 and cutter shaft docking grooves 28 are mutually compatible between adjacent transition cutter shafts 3 and main opening cutter shafts 2, and between adjacent transition cutter shafts 3 and end cutter shafts 4. The cutter shaft docking post 9 slides inside the cutter shaft docking groove 28. The length of the cutter shaft docking post 9 is greater than the length of the cutter shaft adjusting screw 10. When the main opening cutter shaft 2 is connected to the transition cutter shaft 3, the transition cutter shaft 3 is connected to the transition cutter shaft 3, and the transition cutter shaft 3 is connected to the end cutter shaft 4, the cutter shaft docking post 9 is first connected to the cutter shaft docking groove 28, and then the cutter shaft adjusting screw groove 11 is connected to the cutter shaft adjusting screw 10. This ensures that there will be no deflection when the main opening cutter shaft 2 is connected to the transition cutter shaft 3, the transition cutter shaft 3 is connected to the transition cutter shaft 3, and the transition cutter shaft 3 is connected to the end cutter shaft 4, resulting in good connection stability.

[0023] Example 2:

[0024] The adjusting tube connecting groove 12 of this utility model has an internal gear bearing groove 27 on its inner side. A main gear mounting shaft 13 is located in the middle of the internal gear bearing groove 27, and a side gear mounting shaft 16 is located on the side of the main gear mounting shaft 13. A driven bevel gear 20 is disposed inside the internal gear bearing groove 27. The end of the main gear mounting shaft 13 is rotatably connected to the driven bevel gear 20. A tool shaft adjusting tube 21 is located on the side of the driven bevel gear 20 facing the adjusting tube connecting groove 12. The tool shaft adjusting tube 21 is adapted to the adjusting tube connecting groove 12 and is connected to the adjusting tube connecting groove 12. The 21 rotates inside the adjusting tube connecting groove 12. The tool shaft adjusting tube 21 has a tool shaft adjusting screw groove 11 inside, which is threadedly connected to the tool shaft adjusting screw 10. The internal gear bearing groove 27 is equipped with a driving bevel gear 15. The driving bevel gear 15, driven bevel gear 20 and other parts are all set inside the transition tool shaft 3 and the end tool shaft 4, so that the waste generated during the hole opening process will not enter between the driving bevel gear 15 and the driven bevel gear 20, causing a failure in the fit between the driving bevel gear 15 and the driven bevel gear 20, thereby reducing the failure rate of this device.

[0025] Example 3:

[0026] The side gear mounting shaft 16 of this utility model is rotatably connected to the active bevel gear 15 at its end. The inner gear bearing groove 27 has a gear shaft mounting groove 14 on its side. The active bevel gear 15 has a bevel gear mounting shaft 17 on its top. The bevel gear mounting shaft 17 is rotatably connected to the gear shaft mounting groove 14. The gear shaft mounting groove 14 has a gear button mounting groove 19 on its side. The bevel gear mounting shaft 17 has a bevel gear drive button 18 on its side. The bevel gear drive button 18 is rotatably connected to the gear button mounting groove 19. The transition tool shaft 3 has side tool mounting grooves 6 on both sides.

[0027] Example 4:

[0028] The side cutter mounting groove 6 of this utility model has an adjusting screw mounting groove 26 in the middle. The side cutter block 7 is adapted to the side cutter mounting groove 6 and is connected to the side cutter mounting groove 6. The side cutter block 7 slides inside the side cutter mounting groove 6. The side cutter block 7 has a side opening cutter 8 on its side and a screw mounting groove 22 in the middle. The top of the screw mounting groove 22 has a screw adjusting knob mounting groove 23. The cutter block adjusting screw 25 is threadedly connected to the adjusting screw mounting groove 26. By rotating the cutter block adjusting screw 25, the relative distance between the side cutter block 7 and the transition cutter shaft 3 can be controlled, thereby controlling the radius of the opening of the side opening cutter 8. This allows the device to adapt to the opening requirements of different camshaft chambers, further increasing the adaptability of the device.

[0029] Example 5:

[0030] The blade adjustment screw 25 of this utility model has a screw mounting block 29 at its top, which is rotatably connected to the screw mounting groove 22. The screw mounting block 29 has a screw adjustment knob 24 at its top, which is rotatably connected to the screw adjustment knob mounting groove 23.

[0031] Example 6:

[0032] The installation steps of this utility model are as follows: Multiple transition cutter shafts 3 are placed at the bottom of the main opening cutter shaft 2, and the end cutter shaft 4 is placed at the bottom of the transition cutter shafts 3. The cutter shaft mating posts 9 and cutter shaft mating grooves 28 are connected to each other between adjacent transition cutter shafts 3 and main opening cutter shafts 2, and between adjacent transition cutter shafts 3 and end cutter shafts 4. The end of the main gear mounting shaft 13 of the transition cutter shafts 3 and end cutter shafts 4 is rotatably connected to the driven bevel gear 20, so that the cutter shaft adjusting tube 21 of the driven bevel gear 20 is rotatably connected to the adjusting tube connecting groove 12 of the transition cutter shafts 3 and end cutter shafts 4. The cutter shaft adjusting screw groove 11 of the driven bevel gear 20 is connected to the main opening cutter shaft 2 and transition cutter shafts 3. The tool shaft has an adjusting screw 10 threaded connection. The end of the side gear mounting shaft 16 of the transition tool shaft 3 and the end tool shaft 4 is rotatably connected to the driving bevel gear 15. The bevel gear mounting shaft 17 of the driving bevel gear 15 is rotatably connected to the gear shaft mounting groove 14. The bevel gear drive button 18 on the side of the bevel gear mounting shaft 17 is rotatably connected to the gear button mounting groove 19. The machining side tool block 7 is inserted into the side tool mounting groove 6. The tool block adjusting screw 25 is threadedly connected to the adjusting screw mounting groove 26. The screw mounting block 29 on the top of the tool block adjusting screw 25 is rotatably connected to the screw mounting groove 22 of the machining side tool block 7. The screw adjusting button 24 on the screw mounting block 29 is rotatably connected to the screw adjusting button mounting groove 23. The device is then installed.

[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A tool for machining a camshaft bore of a camshaft chamber of a new energy hybrid vehicle engine, characterized in that : Including the open hole cutter seat (1), the main open hole cutter axle (2), the transition cutter axle (3), the terminal cutter axle (4), side cutter block (7), driving bevel gear (15), driven bevel gear (20), cutter block adjusting screw rod (25), the open hole cutter seat (1) bottom has main open hole cutter axle (2), main open hole cutter axle (2) bottom is provided with a plurality of transition cutter axle (3), transition cutter axle (3) bottom is provided with terminal cutter axle (4), terminal cutter axle (4) bottom has open hole cutter (5), main open hole cutter axle (2), transition cutter axle (3) one end is all provided with cutter axle adjusting screw rod (10), cutter axle butt joint column (9), the cutter axle adjusting screw rod (10) is in the central position, cutter axle butt joint column (9) surrounds cutter axle adjusting screw rod (10) and is evenly arranged, transition cutter axle (3), terminal cutter axle (4) the other end is all provided with adjusting tube connecting groove (12), cutter axle butt joint groove (28), the adjusting tube connecting groove (12) is in the central position, cutter axle butt joint groove (28) surrounds adjusting tube connecting groove (12) and is evenly arranged, cutter axle butt joint column (9) is adapted to cutter axle butt joint groove (28), the cutter axle butt joint column (9) and cutter axle butt joint groove (28) are connected with each other between the transition cutter axle (3), main open hole cutter axle (2) and between the transition cutter axle (3), transition cutter axle (3) and between the transition cutter axle (3), terminal cutter axle (4) of adjacent, cutter axle butt joint groove (28) is slid in the cutter axle butt joint column (9) inside.

2. The tool for machining camshaft bore of camshaft chamber of new energy hybrid vehicle engine according to claim 1, characterized in that : The inside of adjusting tube connecting groove (12) has internal gear bearing groove (27), internal gear bearing groove (27) middle part has main gear installation shaft (13), main gear installation shaft (13) side has side gear installation shaft (16), internal gear bearing groove (27) inside is provided with driven bevel gear (20), main gear installation shaft (13) end is rotatably connected with driven bevel gear (20), driven bevel gear (20) towards the side of adjusting tube connecting groove (12) has cutter axle adjusting tube (21), cutter axle adjusting tube (21) is adapted to adjusting tube connecting groove (12), cutter axle adjusting tube (21) connects adjusting tube connecting groove (12), cutter axle adjusting tube (21) is rotatable in adjusting tube connecting groove (12) inside, cutter axle adjusting tube (21) inside has cutter axle adjusting screw groove (11), cutter axle adjusting screw groove (11) is threadedly connected with cutter axle adjusting screw rod (10), internal gear bearing groove (27) inside is provided with driving bevel gear (15).

3. The tool for machining the camshaft bore of the camshaft chamber of a new energy hybrid vehicle engine according to claim 2, characterized in that : Side gear installation shaft (16) end is rotatably connected with driving bevel gear (15), internal gear bearing groove (27) side has gear shaft installation groove (14), driving bevel gear (15) top has bevel gear installation shaft (17), bevel gear installation shaft (17) is rotatably connected with gear shaft installation groove (14), gear shaft installation groove (14) side has gear knob installation groove (19), bevel gear installation shaft (17) side has bevel gear drive knob (18), bevel gear drive knob (18) is rotatably connected with gear knob installation groove (19), transition cutter axle (3) both sides have side cutter installation groove (6).

4. The tool for machining camshaft bore of camshaft chamber of new energy hybrid vehicle engine according to claim 3, characterized in that : The middle part of the side cutter installation groove (6) has an adjusting screw installation groove (26), the side cutter block (7) is matched with the side cutter installation groove (6), the side cutter block (7) is connected with the side cutter installation groove (6), the side cutter block (7) slides in the side cutter installation groove (6), the side of the side cutter block (7) has a side opening cutter (8), the middle part of the side cutter block (7) has a screw installation groove (22), the top of the screw installation groove (22) has a screw adjusting knob installation groove (23), and the cutter block adjusting screw (25) is threadedly connected with the adjusting screw installation groove (26).

5. The tool for machining camshaft bore of camshaft chamber of new energy hybrid vehicle engine according to claim 1, characterized in that : The top of the cutter block adjusting screw (25) has a screw installation block (29), the screw installation block (29) is rotationally connected with the screw installation groove (22), the top of the screw installation block (29) has a screw adjusting knob (24), and the screw adjusting knob (24) is rotationally connected with the screw adjusting knob installation groove (23).

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