CN216632850U

CN216632850U - Multi-functional crankshaft reamer suitable for aviation spare part processing

Info

Publication number: CN216632850U
Application number: CN202123436430.2U
Authority: CN
Inventors: 恽志箕
Original assignee: Changzhou Little Wolf Star Precision Instrument Co ltd
Current assignee: Changzhou Little Wolf Star Precision Instrument Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-31
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to a multifunctional crankshaft reamer suitable for machining aviation parts, which comprises a cutter bar, wherein a cutter head is arranged at the bottom end of the cutter bar, an adjusting rod is arranged at the top end of the cutter head, an adjusting groove is formed in the bottom end of the cutter bar and corresponds to the adjusting rod, the adjusting rod and the adjusting groove are arranged in a sliding manner, a limiting rod is arranged on the cutter bar in a sliding manner, a plurality of limiting holes are formed in the adjusting rod and correspond to the limiting rod, a plurality of blades are arranged on the cutter head, and a plurality of blades are arranged in the circumferential direction of the blades; the design of the adjusting rod facilitates the extension of the cutter head; the design of the guide head facilitates the guide; the design of chamfer piece makes things convenient for the chamfer, improves the practicality.

Description

Multi-functional crankshaft reamer suitable for aviation spare part processing

Technical Field

The utility model relates to the technical field of crankshaft reamers, in particular to a multifunctional crankshaft reamer suitable for machining aviation parts.

Background

The reamer is a rotary cutter used for cutting off metal on the surface of a machined hole, the reamed hole can obtain accurate size and shape, the reamer is used for the finish machining and the semi-finish machining, and has the main functions of improving the machining precision of a hole and reducing the roughness of the surface, the machining allowance is generally small, and the existing patent such as patent No. 201922370858.8, although the device solves the problems of easy abrasion, poor processing stability and low processing efficiency of the traditional reamer when in use, the device can only carry out reaming operation on some thinner plates when in integral use, the reaming operation can not be well realized for some thicker plates, after the reaming operation is completed, new equipment is needed to perform chamfering operation on the reaming, the machining efficiency of parts is lower, and when the device is integrally used, a proper positioning mechanism is lacked, and the positioning effect is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a multifunctional crankshaft reamer suitable for machining aviation parts.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a multi-functional bent axle reamer suitable for aviation spare part processing, includes the cutter arbor, the cutter arbor bottom is equipped with the tool bit, the tool bit top is equipped with adjusts the pole, the cutter arbor bottom corresponds adjust the pole and seted up the adjustment tank, it slides and sets up with the adjustment tank to adjust the pole, the cutter arbor slides and is equipped with the gag lever post, correspond on the regulation pole spacing hole has been seted up to the gag lever post, spacing hole is provided with a plurality ofly, be equipped with the blade on the tool bit, be provided with a plurality ofly on the blade circumferencial direction.

Preferably in further, the outer end of the limiting rod is provided with a limiting ring, and a spring is connected between the limiting ring and the cutter rod, so that automatic limiting and locking are facilitated.

In further preferred, the adjusting rod is provided with a limiting block at the top of the left end face and the right end face, the adjusting groove is internally corresponding to the limiting block, and the limiting groove is formed in the adjusting rod and limits the sliding of the adjusting rod.

Preferably, a guide head is arranged at the bottom end of the cutter head, a first threaded hole is formed in the guide head, a second threaded hole is formed in the bottom end of the cutter head corresponding to the first threaded hole, and the first threaded hole and the second threaded hole are connected through a bolt, so that the installation and the guide are convenient.

In a further preferred mode, the number of the guide heads is multiple, and the diameters of the guide heads are different, so that the guide is convenient to guide according to different sizes.

Preferably in further, the bottom of the outer end face of the cutter rod is provided with a chamfer block, the chamfer block is arranged in a plurality of and a plurality of circumferential directions, the top end of the chamfer block is provided with a mounting plate, the lower end face of the cutter rod corresponds to a plurality of mounting plates, mounting grooves are formed in the mounting plates, chamfering operation is carried out while reaming, and practicability is improved.

Preferably in further, a plurality of all seted up first mounting hole on the mounting panel, it is a plurality of all correspond on the mounting groove second mounting hole has been seted up to first mounting hole, bolted connection is passed through to first mounting hole and second mounting hole, makes things convenient for the dismouting.

In further preferred, a plurality of the chamfer blocks are all provided with a plurality of groups, and the radian of the chamfer blocks is different, so that the chamfer is convenient to adjust.

(III) advantageous effects

Compared with the prior art, the utility model provides the multifunctional crankshaft reamer suitable for machining aviation parts, and the multifunctional crankshaft reamer has the following beneficial effects:

according to the utility model, the tool bit is adjusted according to the thickness of a plate by the design of the adjusting rod, the limiting rod with the limiting ring is pulled to pull out the limiting rod, the spring is elongated to slide and adjust the tool bit with the adjusting rod, the limiting ring is loosened after the tool bit slides to a proper position according to the thickness of the plate, the spring retracts, the limiting rod and the limiting ring slide inwards integrally, the limiting rod is correspondingly inserted into the limiting hole, the limiting and locking of the adjusting rod are realized, the position of the tool bit is conveniently adjusted, and plates with different thicknesses are conveniently reamed;

the design of the guide head, the guide head with proper size is selected according to the external aperture size, the guide head is installed, the first threaded hole and the second threaded hole are connected and screwed tightly by bolts, the installation of the guide head is realized, the guide head is correspondingly inserted into the through hole in the plate during production, and the preliminary guide is realized for reaming operation;

the design of chamfer piece, according to the production needs, the chamfer piece of suitable radian is selected, installs the chamfer piece, and the chamfer piece that will have the mounting panel corresponds installs in the mounting groove, and the bolt passes first mounting hole and second mounting hole and screws up fixedly, and the back is accomplished in the reaming, and a plurality of chamfer pieces rotate in step, carry out the chamfer operation to the reaming top, improve the device practicality.

Drawings

FIG. 1 is a schematic diagram of a preferred overall structure of a multi-functional crankshaft reamer of the present invention suitable for use in aerospace component machining;

FIG. 2 is a schematic diagram of a preferable matching structure of a cutter head, an adjusting rod, a blade, a limiting block and a guide head of the multifunctional crankshaft reamer suitable for machining aviation parts;

fig. 3 is a sectional view of a preferable matching structure of a cutter bar, a limiting rod, a limiting ring, a spring, a mounting plate and a chamfering block of the multifunctional crankshaft reamer suitable for machining aviation parts.

In the figure: 1. a cutter bar; 2. a cutter head; 3. adjusting a rod; 4. an adjustment groove; 5. a limiting rod; 6. a limiting hole; 7. a blade; 8. a limiting ring; 9. a spring; 10. a limiting block; 11. a limiting groove; 12. a guide head; 13. a first threaded hole; 14. a second threaded hole; 15. chamfering blocks; 16. mounting a plate; 17. mounting grooves; 18. a first mounting hole; 19. and a second mounting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-3, a multifunctional crankshaft reamer suitable for aviation part processing includes a cutter bar 1, a cutter head 2 is arranged at the bottom end of the cutter bar 1, an adjusting rod 3 is arranged at the top end of the cutter head 2, an adjusting groove 4 is arranged at the bottom end of the cutter bar 1 corresponding to the adjusting rod 3, the adjusting rod 3 and the adjusting groove 4 are arranged in a sliding manner, a limiting rod 5 is arranged at the cutter bar 1 in a sliding manner, a limiting hole 6 is arranged on the adjusting rod 3 corresponding to the limiting rod 5, a plurality of limiting holes 6 are arranged, a plurality of blades 7 are arranged on the cutter head 2, and a plurality of blades are arranged on the circumferential direction of the blades 7.

Referring to fig. 1 and 3, in the present embodiment, the outer end of the limiting rod 5 is provided with a limiting ring 8, a spring 9 is connected between the limiting ring 8 and the cutter bar 1, the limiting ring 8 is loosened, the spring 9 retracts, the limiting rod 5 and the limiting ring 8 slide inward integrally, and the limiting rod 5 is inserted into the limiting hole 6 correspondingly.

Referring to fig. 2 and 3, in this embodiment, the top of the left and right end surfaces of the adjusting rod 3 is provided with a limiting block 10, a limiting groove 11 is formed in the adjusting groove 4 corresponding to the limiting block 10, and the limiting block 10 is matched with the limiting groove 11 to limit the sliding of the adjusting rod 3.

Referring to fig. 1 and 2, in this embodiment, a guide head 12 is disposed at a bottom end of a tool bit 2, a first threaded hole 13 is formed in the guide head 12, a second threaded hole 14 is formed in the bottom end of the tool bit 2 corresponding to the first threaded hole 13, the first threaded hole 13 and the second threaded hole 14 are connected through a bolt, a plurality of guide heads 12 are disposed, diameters of the plurality of guide heads 12 are arranged differently, the guide head 12 with a proper size is selected according to an external aperture size, the guide head 12 is mounted, and the first threaded hole 13 and the second threaded hole 14 are connected and screwed by the bolt.

Referring to fig. 1 and 3, in this embodiment, a plurality of chamfer blocks 15 are disposed at the bottom of the outer end surface of the cutter bar 1, a plurality of chamfer blocks 15 are disposed in the circumferential direction, mounting plates 16 are disposed at the top ends of the chamfer blocks 15, mounting grooves 17 are disposed at the lower end surface of the cutter bar 1 corresponding to the mounting plates 16, first mounting holes 18 are disposed on the mounting plates 16, second mounting holes 19 are disposed on the mounting grooves 17 corresponding to the first mounting holes 18, the first mounting holes 18 and the second mounting holes 19 are connected by bolts, a plurality of groups of chamfer blocks 15 are disposed, the plurality of groups of chamfer blocks 15 have different radians, according to the production requirement, the chamfer blocks 15 with proper radians are selected to be mounted, the chamfer blocks 15 with the mounting plates 16 are correspondingly mounted in the mounting grooves 17, the bolts are screwed and fixed through the first mounting holes 18 and the second mounting holes 19, after the reaming is completed, the chamfer blocks 15 rotate synchronously, and chamfering the top end of the reaming hole.

Example two:

in conclusion, when the device is used, firstly, the whole device is assembled, a guide head 12 with a proper size is selected according to the size of an external aperture, the guide head 12 is installed, a first threaded hole 13 and a second threaded hole 14 are connected and screwed by a bolt, the installation of the guide head 12 is realized, after the installation of the guide head 12 is finished, a cutter head 2 is adjusted according to the thickness of a plate, a limiting rod 5 with a limiting ring 8 is pulled, the limiting rod 5 is pulled outwards, a spring 9 is stretched, the cutter head 2 with an adjusting rod 3 is adjusted in a sliding mode, after the cutter head 2 slides to a proper position according to the thickness of the plate, the limiting ring 8 is loosened, the spring 9 retracts, the limiting rod 5 and the limiting ring 8 integrally slide inwards, the limiting rod 5 is correspondingly inserted into a limiting hole 6, the limiting locking of the adjusting rod 3 is realized, and when the limiting rod 5 slides relative to a limiting groove 11, a limiting block 10 is matched with the limiting groove 11, the sliding of the adjusting rod 3 is limited, and the sliding stability is ensured.

Example three:

in conclusion, when the device is used, after the position adjustment of the adjusting rod 3 and the tool bit 2 is completed, according to production needs, the chamfering block 15 with a proper radian is selected, the chamfering block 15 is installed, the chamfering block 15 with the installing plate 16 is correspondingly installed in the installing groove 17, a bolt penetrates through the first installing hole 18 and the second installing hole 19 to be screwed and fixed, the chamfering block 15 is installed, after the chamfering block 15 is installed, the device is integrally put into use, the guide head 12 is correspondingly inserted into the through hole in the plate, preliminary guide is realized for reaming operation, after the guide installation, the blade 7 on the tool bit 2 is used for reaming the plate, after the reaming is completed, the chamfering blocks 15 synchronously rotate, chamfering operation is carried out on the top end of the reaming, and the practicability of the device is improved.

In all the above-mentioned embodiments, the connection between the two components may be selected from welding, matching connection of bolt and nut, bolt or screw connection, or other known connection methods according to practical situations, which are not described herein in detail, and the above-mentioned embodiments are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can be within the technical scope of the present invention, and equivalent substitutions or changes can be made according to the technical solution of the present invention and the practical idea thereof, and all the modifications and changes are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a multi-functional bent axle reamer suitable for aviation spare part processing, includes cutter arbor (1), cutter arbor (1) bottom is equipped with tool bit (2), its characterized in that, tool bit (2) top is equipped with adjusts pole (3), cutter arbor (1) bottom corresponds adjust pole (3) and seted up adjustment tank (4), it slides and sets up to adjust pole (3) and adjustment tank (4), cutter arbor (1) slides and is equipped with gag lever post (5), it corresponds on pole (3) spacing hole (6) have been seted up in gag lever post (5), spacing hole (6) are provided with a plurality ofly, be equipped with blade (7) on tool bit (2), be provided with a plurality ofly on blade (7) the circumferencial direction.

2. The multifunctional crankshaft reamer suitable for machining aviation parts as claimed in claim 1, wherein: the outer end of the limiting rod (5) is provided with a limiting ring (8), and a spring (9) is connected between the limiting ring (8) and the cutter bar (1).

3. The multifunctional crankshaft reamer suitable for machining aviation parts as claimed in claim 1, wherein: the adjusting rod (3) is provided with a limiting block (10) at the top of the left end face and the right end face, and the adjusting groove (4) is internally corresponding to the limiting block (10) and provided with a limiting groove (11).

4. The multifunctional crankshaft reamer suitable for machining aviation parts as claimed in claim 1, wherein: the bottom end of the tool bit (2) is provided with a guide head (12), the guide head (12) is provided with a first threaded hole (13), the bottom end of the tool bit (2) is provided with a second threaded hole (14) corresponding to the first threaded hole (13), and the first threaded hole (13) is connected with the second threaded hole (14) through a bolt.

5. The multifunctional crankshaft reamer suitable for machining aviation parts as claimed in claim 4, wherein: the number of the guide heads (12) is multiple, and the diameters of the guide heads (12) are different.

6. The multifunctional crankshaft reamer suitable for machining aviation parts as claimed in claim 1, wherein: the outer terminal surface bottom of cutter arbor (1) is equipped with chamfer piece (15), be provided with a plurality ofly on chamfer piece (15) the circumferencial direction, it is a plurality of chamfer piece (15) top all is equipped with mounting panel (16), the terminal surface corresponds a plurality ofly under cutter arbor (1) mounting panel (16) has seted up mounting groove (17).

7. The multifunctional crankshaft reamer suitable for machining aviation parts and components as claimed in claim 6, wherein: a plurality of all seted up first mounting hole (18) on mounting panel (16), it is a plurality of all correspond on mounting groove (17) second mounting hole (19) have been seted up in first mounting hole (18), bolted connection is passed through in first mounting hole (18) and second mounting hole (19).

8. The multifunctional crankshaft reamer suitable for machining aviation parts according to claim 7, wherein: the chamfering blocks (15) are all provided with multiple groups, and the radians of the chamfering blocks (15) in the multiple groups are different.