CN216264640U - Function-expanded angle head - Google Patents

Abstract

An angle head with expanded functions comprises an angle head and a chuck consisting of a chuck body, a chuck mouth and a clamping cap, wherein the rear part of the chuck body is provided with a positioning center hole; the bottom surface of the chuck body is close to the end surface of the angle head output shaft, the exposed end of the centering shaft is inserted into the positioning center hole at the bottom surface of the chuck body, and a flat key fixed on the end surface of the angle head output shaft is adaptively positioned in a key groove of the chuck body; there is a fastening screw connected to the centering shaft to fix the chuck body and the angle head together. The utility model combines the chuck and the angle head together, expands the application range of the original angle head, can be used for installing a disc milling cutter to process a workpiece plane, can clamp a cutter of a shaft type cutter handle to realize the processing of drilling, milling, tapping, reaming, grinding and the like on the workpiece, has multiple purposes, and is flexible and convenient.

Description

Function-expanded angle head

Technical Field

The utility model relates to a machine tool accessory, in particular to a function-expanded angle head.

Background

The angle head is an accessory of a machine tool, and the rotation center line of a cutter can form an angle with the rotation center line of the main shaft to process a workpiece after the angle head is arranged on the machine tool. The angle head is used, the machining range and the adaptability of the machine tool can be enlarged without changing the structure of the machine tool, the machining which is difficult to finish by using a traditional method can be realized, the repeated clamping of workpieces can be reduced, and the machining precision and the machining efficiency can be improved. At present, a common FMB22-ER32 angle head on the market can only be used for installing disc milling cutters and only can be used for workpiece plane machining, and the function is single. To this end, a new design is needed to extend the functionality of existing angle heads.

Disclosure of Invention

The utility model aims to provide an angle head with expanded functions, which overcomes the defect that the existing angle head only can be provided with a disc-type milling cutter and has single function.

The object of the utility model is achieved in the following way: an angle head with expanded functions comprises an angle head and a chuck consisting of a chuck body, a chuck mouth and a clamping cap, wherein the chuck body is a rotary body, the rear part of the chuck body is provided with a positioning center hole, the bottom surface of the rear part of the chuck body is provided with a key groove along the radial direction, the middle part of the inner cavity of the chuck body is provided with a partition plate with a through hole, the front part of the chuck body is provided with a conical inner hole, and the periphery of the front part of the chuck body is provided with an external thread; the bottom surface of the chuck body is close to the end surface of the angle head output shaft, the exposed end of the centering shaft is inserted into the positioning center hole at the bottom surface of the chuck body, and a flat key fixed on the end surface of the angle head output shaft is adaptively positioned in a key groove of the chuck body; the screw for fastening is arranged, the threaded rod part of the screw penetrates through the through hole of the partition plate in the inner cavity of the chuck body to be connected with the threaded hole in the end face of the centering shaft, so that the chuck and the angle head are fixed together, the chuck can clamp a cutter of the shaft type cutter handle, and the processing of a workpiece such as drilling, milling, tapping, reaming, grinding and the like can be realized.

The clamping mouth with a clamping central hole is placed at the conical inner hole of the clamping head body, the clamping cap is integrally formed by a cylinder with internal threads and a top surface with holes, the cylinder of the clamping cap is connected with the front part of the clamping head body through the internal threads, and the inner side surface of the top surface of the clamping cap is abutted against the front end surface of the clamping mouth.

The clamping nozzle is provided with a clamping nozzle body, the circumference of the clamping nozzle body is a long frustum and a short frustum which are mutually opposite, the middle part of the clamping nozzle body is connected through a small-diameter cylinder to form a structure, a clamping center hole is arranged in the center of the clamping nozzle body, 3 expansion joints are arranged in the circumferential direction at intervals, the 1 st expansion joint penetrates through the clamping center hole and the outer peripheral surface and extends from the end part of the long frustum while the length of the expansion joint is smaller than the height of the clamping nozzle body, the 2 nd expansion joint penetrates through the clamping center hole and the outer peripheral surface and extends from the end part of the short frustum while the length of the expansion joint is smaller than the height of the clamping nozzle body, and the 3 rd expansion joint penetrates through the end parts of the long frustum and the short frustum while the depth of the expansion joint does not reach the shape of the clamping center hole.

The angle head is FMB22-ER32 angle head.

The utility model combines the chuck and the angle head together, expands the application range of the original angle head, can be used for installing a disc milling cutter to process a workpiece plane, can clamp a cutter of a shaft type cutter handle to realize the processing of drilling, milling, tapping, reaming, grinding and the like on the workpiece, has multiple purposes, and is flexible and convenient.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the structure of the chuck section.

Fig. 3 is a front view of the clip nozzle.

Fig. 4 is a right side view of the jaw.

In the figure: 1-a flat bond; 2-a screw; 3-a chuck body; 4-clamping a mouth; 5-a clamping cap; 6-cutting tools; 7-centering shaft; 8-angle head; 9-a mouthpiece body; 10-expansion joint; 11-clamping the mesopores.

Detailed Description

Referring to fig. 1-4, the utility model includes angle head 8, angle head 8 is FMB22-ER32 angle head, there is chuck formed by chuck body 3, nip 4 and clamping cap 5 in addition, chuck body 3 is a revolution solid, chuck body 3 rear portion has positioning centre hole, chuck body 3 rear bottom surface have radial key slot, chuck body 3 cavity middle part have one take through hole partition board, chuck body 3 front portion have conical bore, chuck body 3 front portion periphery have external screw thread; the bottom surface of the chuck body 3 is close to the end surface of the output shaft of the angle head 8, the exposed end of the centering shaft 7 is inserted into the positioning center hole at the bottom surface of the chuck body 3, and the flat key 1 fixed on the end surface of the output shaft of the angle head 8 is fittingly positioned in the key groove of the chuck body 3; the clamping device is characterized in that a screw 2 for fastening is arranged, a threaded rod part of the screw 2 penetrates through a through hole of a partition plate in an inner cavity of a chuck body 3 to be connected with a threaded hole on the end surface of a centering shaft 7, a clamping mouth 4 with a clamping central hole 11 is placed at a conical inner hole of the chuck body 3, a clamping cap 5 which is integrally formed by a cylinder with internal threads and a top surface with holes is arranged, the cylinder of the clamping cap 5 is connected with the front part of the chuck body 3 through the internal threads of the cylinder, and the inner side surface of the top surface of the clamping cap 5 is abutted against the front end surface of the clamping mouth 4. The shank of the tool 6 is inserted into the clamping center hole 11 of the clamping jaw 4 from the hole on the top surface of the clamping cap 5, and the clamping cap 5 is rotated to press the clamping jaw 4 to clamp the tool 6.

The clamping mouth 4 is provided with a clamping mouth body 9, the circumference of the clamping mouth body 9 is a structure formed by connecting a long frustum and a short frustum which are opposite, the middle part of the clamping mouth body is connected through a thin-diameter cylinder, the center of the clamping mouth body 9 is provided with a clamping middle hole 11, 3 expansion joints 10 are arranged in the circumferential direction, the 1 st expansion joint 10 penetrates through the clamping middle hole 11 and the outer peripheral surface and extends from the end part of the long frustum, and the length of the expansion joint is smaller than the height of the clamping mouth body 9, the 2 nd expansion joint 10 penetrates through the clamping middle hole and the outer peripheral surface and extends from the end part of the short frustum, and the length of the expansion joint is smaller than the height of the clamping mouth body 9, and the 3 rd expansion joint 10 penetrates through the end parts of the long frustum and the short frustum, and the depth of the expansion joint does not reach the shape of the clamping middle hole 11. The clamping center hole 11 is used for clamping a tool handle of the tool 6, the conical surface of the clamping nozzle body 9 is attached to the conical inner hole of the clamping head body 3, the clamping nozzle body 9 moves towards the rear of the clamping head body 3 under the pressure action of the clamping cap 5, the expansion joint 10 reduces the rigidity of the clamping nozzle body 9 and has good elasticity, so that the clamping nozzle body 9 can be conveniently retracted integrally, and the clamping center hole 11 is reduced in diameter so as to clamp the tool 6.

The utility model combines the chuck and the angle head 8 together, so that the chuck can be not only used for installing a disc milling cutter to process a workpiece plane, but also used for clamping a cutter of a shaft type cutter handle to realize the processing of drilling, milling, tapping, reaming, grinding and the like on the workpiece, thereby expanding the application range of the original angle head.

Claims (4)

1. The utility model provides an angle head of function extension, includes angle head, its characterized in that: the clamping head is composed of a clamping head body (3), a clamping nozzle (4) and a clamping cap (5), the clamping head body (3) is a rotary body, the rear part of the clamping head body (3) is provided with a positioning center hole, the bottom surface of the rear part of the clamping head body (3) is provided with a key groove along the radial direction, the middle part of the inner cavity of the clamping head body (3) is provided with a partition plate with a through hole, the front part of the clamping head body (3) is provided with a conical inner hole, and the periphery of the front part of the clamping head body (3) is provided with an external thread; the fixture comprises a centering shaft (7) penetrating into a center hole of an output shaft of an angle head (8), wherein the bottom surface of a chuck body (3) is tightly close to the end surface of the output shaft of the angle head (8), the exposed end of the centering shaft (7) is inserted into a positioning center hole at the bottom surface of the chuck body (3), and a flat key (1) fixed on the end surface of the output shaft of the angle head (8) is adaptively positioned in a key groove of the chuck body (3); a screw (2) for fastening is arranged, and the threaded rod part of the screw (2) penetrates through a through hole of the partition plate in the inner cavity of the chuck body (3) to be connected with a threaded hole on the end face of the centering shaft (7).

2. The functionally expanded angle head of claim 1, wherein: the clamping mouth (4) with a clamping middle hole (11) is placed at the conical inner hole of the clamping head body (3), a clamping cap (5) which is integrally formed by a cylinder with internal threads and a top surface with holes is arranged, the cylinder of the clamping cap (5) is connected with the front part of the clamping head body (3) through the internal threads, and the inner side surface of the top surface of the clamping cap (5) is abutted against the front end surface of the clamping mouth (4).

3. The functionally expanded angle head of claim 1 or 2, wherein: the clamping mouth (4) is provided with a clamping mouth body (9), the circumference of the clamping mouth body (9) is a long frustum and a short frustum which are back to back, the middle part of the clamping mouth body is connected with a structure formed by a small-diameter cylinder, the center of the clamping mouth body (9) is provided with a clamping middle hole (11), 3 expansion joints (10) are arranged in the circumferential direction at intervals, the 1 st expansion joint (10) is a shape which penetrates through the clamping middle hole and the peripheral surface and extends from the end part of the long frustum, and the length of the expansion joint is smaller than the height of the clamping mouth body (9), the 2 nd expansion joint (10) is a shape which penetrates through the clamping middle hole and the peripheral surface and extends from the end part of the short frustum, and the length of the expansion joint is smaller than the height of the clamping mouth body (9), and the 3 rd expansion joint (10) is a shape which penetrates through the end parts of the long frustum and the short frustum and the depth of the short frustum does not reach the shape which clamps the middle hole (11).

4. The functionally expanded angle head of claim 1, wherein: the angle head (8) is an FMB22-ER32 angle head.

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