Axial movement feeding chamfering device

Abstract

The utility model discloses a shaft moving feeding chamfering device which comprises a feeding main shaft, wherein a chamfering drill and a rotating driving part which are coaxial are respectively arranged at the front shaft end and the rear shaft end of the feeding main shaft; the feeding main shaft is in limiting fit with the rotary driving part in the circumferential direction and is in sliding fit with the rotary driving part in the axial direction; the feeding main shaft is provided with a main shaft sleeve which is in circumferential rotation fit, and the main shaft sleeve is connected with a feeding driving mechanism; and the feeding main shaft keeps a rotary driving connection state with the rotary driving part in the axial feeding process driven by the feeding driving mechanism. According to the utility model, the high-precision axial feeding of the main shaft is realized through the axial movement guide of the feeding main shaft and the main shaft sleeve, so that the chamfering drill at the front end of the main shaft is ensured to accurately chamfer a hole and uninterruptedly transmit, and the hole chamfering processing precision and quality are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of chamfering processing equipment, in particular to an axis-shifting feeding chamfering device. Background Art

[0002] The chamfering drill used in the hole chamfering process is a countersink drill, which is installed on the feed part through a drill chuck. The existing hole chamfering processing equipment generally connects the feed part directly to the driving device, and the feed part lacks axial feed guidance during the chamfering process, which easily causes the countersink drill at the front end of the shaft to be skewed to the hole, thereby reducing the chamfering processing accuracy and quality. Summary of the invention

[0003] Purpose of the invention: In order to overcome the deficiencies in the prior art, the utility model provides an axial shift feed chamfering device, which realizes high-precision axial feeding of the spindle through the axial shift guide of the feed spindle and the spindle sleeve, so as to ensure the accurate chamfering and uninterrupted transmission of the chamfering drill at the front end of the spindle, thereby improving the processing accuracy and quality of hole chamfering.

[0004] Technical solution: To achieve the above-mentioned purpose, the utility model provides an axial feed chamfering device, comprising a feed spindle with a coaxial chamfering drill and a rotating drive part respectively arranged at the front and rear axial ends; the feed spindle is limitedly matched with the rotating drive part in the circumferential direction and slidingly matched with the rotating drive part in the axial direction; the feed spindle has a spindle sleeve that rotates circumferentially, and the spindle sleeve is connected to a feed drive mechanism; the feed spindle maintains a rotationally driven connection state with the rotating drive part during axial feeding driven by the feed drive mechanism.

[0005] Furthermore, the feed spindle is a spline shaft, the rotating drive part is a drive pulley or drive gear with an inner cavity corresponding to the spline teeth, the spline shaft body of the feed spindle extends into the inner cavity of the rotating drive part to realize spline engagement, and the column shaft body of the feed spindle is coaxially rotated with the spindle sleeve through a bearing.

[0006] Furthermore, it comprises a drill chuck corresponding to the chamfering drill, and the chamfering drill is clamped and installed on the front end of the feed spindle through the drill chuck.

[0007] Furthermore, it comprises a rotation driving force supplying part corresponding to the rotation driving part, and the rotation driving force supplying part provides the driving force for the corresponding chamfering drill to rotate and chamfer through the rotation driving part and the feed spindle.

[0008] Further, the feed spindle includes a transverse feed spindle and a vertical feed spindle; wherein:

[0009] The lateral feed spindle and the chamfering drill corresponding to the lateral feed spindle, the rotation drive unit, the spindle sleeve, and the feed drive mechanism constitute a lateral feed chamfering processing mechanism;

[0010] The vertical feed spindle and the chamfering drill corresponding to the vertical feed spindle, the rotation driving part, the spindle sleeve, and the feed driving mechanism constitute a vertical feed chamfering processing mechanism.

[0011] Furthermore, the chamfering drill is a countersink drill.

[0012] Furthermore, the feed drive mechanism is a servo screw drive mechanism, and the moving crossbeam on the screw is connected to the spindle sleeve of the feed spindle.

[0013] Beneficial effect: The utility model realizes high-precision axial feeding of the spindle through the axial shift guide of the feed spindle and the spindle sleeve, so as to ensure the accurate chamfering of the hole by the chamfering drill at the front end of the spindle, and ensures uninterrupted transmission power during the feeding process to achieve continuous rotation, thereby improving the processing accuracy and quality of hole chamfering, and is suitable for large-scale promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Attached Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Attached Figure 2 This is a schematic diagram of the main structure of the utility model;

[0016] Attached Figure 3 It is a side structural schematic diagram of the utility model. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] As attached Figure 1 , Attachment Figure 2 And attached Figure 3 As shown, an axial feed chamfering device comprises a feed spindle 1 with a coaxial chamfering drill 2 and a rotating drive unit 3 respectively arranged at the front and rear shaft ends; the feed spindle 1 is limitedly matched with the rotating drive unit 3 in the circumferential direction and slidingly matched with the rotating drive unit 3 in the axial direction; the feed spindle 1 has a spindle sleeve 4 that is matched with the circumferential rotation, and the spindle sleeve 4 is connected to a feed drive mechanism 5; the feed spindle 1 is driven by the feed drive mechanism 5 to maintain a rotationally driven connection state with the rotating drive unit 3 during the axial feeding process. The chamfering drill 2 of the utility model is a countersink drill, and the utility model comprises a drill chuck 7 corresponding to the chamfering drill 2. The chamfering drill 2 is clamped and installed at the front end of the feed spindle 1 by the drill chuck 7, and the holes of the parts are chamfered by the countersink drill. The utility model realizes high-precision axial feeding of the spindle through the axial shift guide of the feed spindle 1 and the spindle sleeve 4, so as to ensure the accurate chamfering of the hole by the chamfering drill at the front end of the spindle, and ensures uninterrupted transmission power during the feeding process to achieve continuous rotation, thereby improving the processing accuracy and quality of hole chamfering.

[0019] In the present utility model, as a preferred embodiment, the feed spindle 1 is a spline shaft, and the rotation drive part 3 is a drive pulley or a drive gear with an inner cavity corresponding to the spline teeth. The spline shaft body of the feed spindle 1 extends into the inner cavity of the rotation drive part 3 to achieve spline meshing, and the column shaft body of the feed spindle 1 is coaxially rotated with the spindle sleeve 4 through the bearing 6. The spline fit can achieve axial displacement while realizing the circumferential transmission rotation connection, ensuring the orderly progress of the feed chamfering process. Among them, the rotation drive part 3 has a flexible choice of whether to use a drive pulley or a drive gear according to the on-site operation. Generally, the rotation drive part 3 used in the hole chamfering process of parts with higher hardness is a drive gear, which can avoid slipping, and the rotation drive part 3 used in the hole chamfering process of parts with lower hardness is a drive pulley, which can reduce wear.

[0020] The utility model comprises a rotation driving force supply part 8 corresponding to the rotation driving part 3, and the rotation driving force supply part 8 provides the corresponding chamfering drill 2 with the driving force for rotating chamfering through the rotation driving part 3 and the feed spindle 1. The rotation driving force supply part 8 adopts a three-phase motor.

[0021] It is worth noting that the feed spindle 1 includes a lateral feed spindle 1a and a vertical feed spindle 1b; wherein: the lateral feed spindle 1a and the chamfering drill 2, the rotation drive unit 3, the spindle sleeve 4, and the feed drive mechanism 5 corresponding to the lateral feed spindle 1a constitute a lateral feed chamfering processing mechanism; the vertical feed spindle 1b and the chamfering drill 2, the rotation drive unit 3, the spindle sleeve 4, and the feed drive mechanism 5 corresponding to the vertical feed spindle 1b constitute a vertical feed chamfering processing mechanism. Figure 1 To Attachment Figure 3 For example, when the side hole chamfering process is performed on the parts, the lateral feed chamfering process mechanism is used, and when the bottom hole chamfering process is performed on the parts, the vertical feed chamfering process mechanism is used. The lateral feed chamfering process mechanism corresponding to the side hole chamfering process and the vertical feed chamfering process mechanism corresponding to the bottom hole chamfering process can be performed simultaneously, or they can be performed separately in front and back.

[0022] The feed drive mechanism 5 is a servo screw drive mechanism, which can achieve precise motion control, and the moving crossbeam 51 on the screw is connected to the spindle sleeve 4 of the feed spindle 1.

[0023] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An axial feed chamfering device, comprising a feed spindle (1) with a coaxial chamfering drill (2) and a rotating drive unit (3) respectively arranged at the front and rear ends of the shaft; the feed spindle (1) is limitedly matched with the rotating drive unit (3) in the circumferential direction and is slidingly matched with the rotating drive unit (3) in the axial direction; Features: The feed spindle (1) has a spindle sleeve (4) that is rotatably matched, and the spindle sleeve (4) is connected to a feed drive mechanism (5); the feed spindle (1) is driven by the feed drive mechanism (5) to maintain a rotationally driven connection state with the rotary drive part (3) during the axial feeding process; The feed spindle (1) is a spline shaft, and the rotation drive part (3) is a drive pulley or a drive gear with an inner cavity corresponding to the spline teeth. The spline shaft body of the feed spindle (1) extends into the inner cavity of the rotation drive part (3) to achieve spline meshing, and the column shaft body of the feed spindle (1) is coaxially rotated with the spindle sleeve (4) through a bearing (6).

2. The shaft-feed chamfering device according to claim 1, characterized in that: It comprises a drill chuck (7) corresponding to the chamfering drill (2), and the chamfering drill (2) is clamped and installed on the front end of the feed spindle (1) through the drill chuck (7).

3. The shaft-feed chamfering device according to claim 1, characterized in that: The invention comprises a rotational driving force supplying part (8) corresponding to the rotational driving part (3), wherein the rotational driving force supplying part (8) provides a driving force for rotational chamfering to a corresponding chamfering drill (2) through the rotational driving part (3) and a feed spindle (1).

4. The shaft-feed chamfering device according to claim 3, characterized in that: The feed spindle (1) comprises a transverse feed spindle (1a) and a vertical feed spindle (1b); wherein: The lateral feed spindle (1a), a chamfering drill (2) corresponding to the lateral feed spindle (1a), a rotation drive unit (3), a spindle sleeve (4), and a feed drive mechanism (5) constitute a lateral feed chamfering processing mechanism; The vertical feed spindle (1b), the chamfering drill (2) corresponding to the vertical feed spindle (1b), the rotation drive unit (3), the spindle sleeve (4), and the feed drive mechanism (5) constitute a vertical feed chamfering processing mechanism.

5. The shaft-feed chamfering device according to any one of claims 1 to 4, characterized in that: The chamfering drill (2) is a countersink drill.

6. The shaft-feed chamfering device according to any one of claims 1 to 4, characterized in that: The feed drive mechanism (5) is a servo screw drive mechanism, and the moving crossbeam (51) on the screw is connected to the main shaft sleeve (4) of the feed main shaft (1).

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