CN219703608U - Milling machine with key groove and end face synchronous milling function - Google Patents

Abstract

The utility model discloses a milling machine with a key slot and end face synchronous milling function, which comprises a machine frame main body, a positioning key slot milling mechanism, a third sliding table, a third linear sliding rail, a first U-shaped slot milling mechanism, a second U-shaped slot milling mechanism, a turntable, an upper pressing block, a lower bearing block and a quick press, wherein a third driving motor is fixedly arranged on the machine frame main body. According to the utility model, the metal bar can be clamped and positioned once and then rotated to the first U-shaped groove milling mechanism, the second U-shaped groove milling mechanism and the positioning key groove milling mechanism along with the turntable for three times, the first U-shaped groove milling mechanism and the second U-shaped groove milling mechanism respectively realize the primary milling operation and the groove expanding milling operation of the metal bar, the problem that the milling cutter is frequently replaced due to overlarge single milling amount is avoided, the relative position precision of the positioning key groove and the end U-shaped groove can be ensured by single clamping of the metal bar, the subsequent assembly operation is facilitated, and the delivery quality of an assembled product is improved.

Description

Milling machine with key groove and end face synchronous milling function

Technical Field

The utility model belongs to the technical field of bar milling, and particularly relates to a milling machine with a key slot and end face synchronous milling function.

Background

Milling machines mainly refer to machine tools for machining various surfaces of a workpiece by using milling cutters. The rotary motion of the milling cutter is usually the dominant motion, and the movement of the workpiece and the milling cutter is the feed motion. It can be used for machining plane and groove, and also can be used for machining various curved surfaces and gears, etc. Bar milling is a common metal machining method by fixing a metal bar on a milling machine fixture and cutting it with a milling cutter to achieve the desired shape and size. Milling a U-shaped groove on the end face of the metal bar, and milling a positioning key groove parallel to the U-shaped groove. The existing milling processing mode needs to be used for processing the U-shaped groove of the bar, and the milling machine of the horizontal installation tool mode needs to be switched, so that secondary clamping and positioning are needed, the parallelism between the U-shaped groove of the metal bar and a positioning key groove is poor, the follow-up assembly operation is difficult, the delivery precision of a product is influenced, and in order to improve the precision of the secondary clamping and positioning of the metal bar, a level gauge or a pre-positioning tool is used at present, and although the secondary clamping and positioning precision can be improved, the operation process is complicated.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the milling machine can realize synchronous milling operation of the U-shaped groove and the positioning key groove at the end part of the metal bar through one-time clamping and positioning, so that the position accuracy of the U-shaped groove and the positioning key groove is improved.

In order to solve the technical problems, the utility model is realized by the following technical scheme: the milling machine with the key slot and end face synchronous milling function comprises a machine frame main body, a positioning key slot milling mechanism, a third sliding table, a third linear sliding rail, a first U-shaped slot milling mechanism, a second U-shaped slot milling mechanism, a turntable, an upper pressing block, a lower bearing block and a quick presser, wherein the center position of the turntable is rotatably arranged on the machine frame main body through a rotating shaft, a third driving motor is fixedly arranged on the machine frame main body, an output shaft of the third driving motor is in transmission connection with the rotating shaft through a coupling, the lower bearing block and the quick presser are arranged on the turntable in an annular array, the upper pressing block is fixedly pressed on the lower bearing block through the quick presser, clamping grooves matched with metal bars are formed in the upper pressing block and the lower bearing block, the third linear sliding rail is fixedly arranged on the machine frame main body, the third sliding table is slidably arranged on the third linear sliding rail, the positioning key slot milling mechanism is fixedly arranged on the third sliding table, a third cylinder is fixedly arranged on the machine frame main body, and a piston rod of the third cylinder is fixedly connected with the third sliding table; the first U-shaped groove milling mechanism and the second U-shaped groove milling mechanism are respectively arranged on the left side and the upper side of the turntable;

the first U-shaped groove milling mechanism comprises a first sliding table, a first driving motor, a first air cylinder, a first linear sliding rail and a first milling cutter, wherein the first linear sliding rail and the first air cylinder body are fixedly arranged on a frame main body, the first sliding table is slidably arranged on the first linear sliding rail, a piston rod of the first air cylinder is fixedly connected with the first sliding table, the first driving motor is fixedly arranged on the first sliding table, a cutter frame is fixedly arranged on a rotating shaft of the first driving motor through a coupler, and the first milling cutter is fixedly arranged on the cutter frame;

the second U-shaped groove milling mechanism comprises a second sliding table, a second driving motor, a second air cylinder, a second linear sliding rail and a second milling cutter, wherein the second linear sliding rail and the second air cylinder are fixedly arranged on a frame main body, the second sliding table is slidably arranged on the second linear sliding rail, a piston rod of the second air cylinder is fixedly connected with the second sliding table, the second driving motor is fixedly arranged on the second sliding table, a cutter frame is fixedly arranged on a rotating shaft of the second driving motor through a coupler, and the second milling cutter is fixedly arranged on the cutter frame;

further, clamping grooves matched with the metal bar are formed in the upper pressing block and the lower bearing block and are of V-shaped structures.

Further, the top surface of the lower bearing block is provided with a positioning groove, the bottom surface of the upper pressing block is provided with a positioning protrusion matched with the positioning groove, and the positioning protrusion can be embedded and installed in the positioning groove.

Compared with the prior art, the utility model has the following advantages: according to the utility model, the metal bar can be clamped and positioned once and then rotated to the first U-shaped groove milling mechanism, the second U-shaped groove milling mechanism and the positioning key groove milling mechanism along with the turntable for three times, the first U-shaped groove milling mechanism and the second U-shaped groove milling mechanism respectively realize the primary milling operation and the groove expanding milling operation of the metal bar, the problem that the milling cutter is frequently replaced due to overlarge single milling amount is avoided, the relative position precision of the positioning key groove and the end U-shaped groove can be ensured by single clamping of the metal bar, the subsequent assembly operation is facilitated, and the delivery quality of an assembled product is improved.

Drawings

The utility model is further described below with reference to the accompanying drawings.

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a top view of the present utility model.

Fig. 3 is an enlarged schematic view of the structure at M of fig. 1.

Detailed Description

The utility model is described in detail below in connection with specific embodiments:

the milling machine with the key slot and end face synchronous milling functions comprises a machine frame main body 1, a positioning key slot milling mechanism 2, a third sliding table 21, a third linear sliding rail 22, a first U-shaped slot milling mechanism, a second U-shaped slot milling mechanism, a rotary table 5, an upper pressing block 6, a lower bearing block 7 and a quick presser 8, wherein the central position of the rotary table 5 is rotatably arranged on the machine frame main body 1 through a rotary shaft, a third driving motor is fixedly arranged on the machine frame main body 1, an output shaft of the third driving motor is in transmission connection with the rotary shaft through a coupler, the lower bearing block 7 and the quick presser 8 are in an annular array on the rotary table 5, the upper pressing block 6 is fixedly pressed on the lower bearing block 7 through the quick presser 8, clamping grooves matched with metal bars 9 are formed in the upper pressing block 6 and the lower bearing block 7, the third linear sliding rail 22 is fixedly arranged on the machine frame main body 1, the third sliding table 21 is slidably arranged on the third linear sliding rail 22, the positioning key slot milling mechanism 2 is fixedly arranged on the third main body 21, and a third cylinder 21 is fixedly connected with a third cylinder piston rod; the first U-shaped groove milling mechanism and the second U-shaped groove milling mechanism are respectively arranged on the left side and the upper side of the turntable 5; a third milling cutter is arranged on the positioning key slot milling mechanism 2;

the first U-shaped groove milling mechanism comprises a first sliding table 3, a first driving motor 31, a first air cylinder 32, a first linear sliding rail 33 and a first milling cutter 34, wherein the first linear sliding rail 33 and the first air cylinder 32 are fixedly arranged on the frame main body 1, the first sliding table 3 is slidably arranged on the first linear sliding rail 33, a piston rod of the first air cylinder 32 is fixedly connected with the first sliding table 3, the first driving motor 31 is fixedly arranged on the first sliding table 3, a cutter frame is fixedly arranged on a rotating shaft of the first driving motor 31 through a coupler, and the first milling cutter 34 is fixedly arranged on the cutter frame;

the second U-shaped groove milling mechanism comprises a second sliding table 4, a second driving motor 41, a second air cylinder 42, a second linear sliding rail 43 and a second milling cutter 44, wherein the second linear sliding rail 43 and the second air cylinder 42 are fixedly arranged on the frame main body 1, the second sliding table 4 is slidably arranged on the second linear sliding rail 43, a piston rod of the second air cylinder 42 is fixedly connected with the second sliding table 4, the second driving motor 41 is fixedly arranged on the second sliding table 4, a cutter frame is fixedly arranged on a rotating shaft of the second driving motor 41 through a coupler, and the second milling cutter 44 is fixedly arranged on the cutter frame;

the clamping grooves matched with the metal bars 9 are arranged on the upper pressing block 6 and the lower bearing block 7 and are of V-shaped structures, the V-shaped structures can be suitable for clamping and fixing the metal bars 9 with different diameter sizes, and the clamping device has the advantage of wide application range.

The top surface of the lower bearing block 7 is provided with a positioning groove, the bottom surface of the upper pressing block 6 is provided with a positioning protrusion matched with the positioning groove, the positioning protrusion can be embedded and installed in the positioning groove, and the positioning groove and the positioning protrusion matched with each other can prevent the front end and the rear end from being misplaced when the upper pressing block 6 is matched with the lower bearing block 7 for use, so that the clamping force of the upper pressing block 6 and the lower bearing block 7 on the metal bar 9 can be improved.

As shown in fig. 2, the turntable 5 intermittently rotates clockwise under the action of the third driving motor, the operator rotates the turntable 5 to issue, the upper pressing block 6, the lower bearing block 7 and the quick presser 8 are used for realizing the feeding and discharging of the metal bar 9, the first driving motor 31 and the second driving motor 41 drive the first milling cutter 34 and the second milling cutter 44 to rotate, when the metal bar 9 rotates to the left side, the first cylinder 32 is started to drive the first sliding table 3 to approach the metal bar 9, the first U-shaped groove primary milling operation is performed on the end part of the metal bar 9 through the first milling cutter 34, when the metal bar 9 at the station rotates to the upper position along with the turntable 5, the second cylinder 42 is started to drive the second sliding table 4 to approach the metal bar 9, the second milling cutter 44 is used for performing the second U-shaped groove expanding milling operation on the end part of the metal bar 9, when the metal bar 9 rotates to the right side along with the turntable 5, the third milling cutter is driven to rotate by the positioning key groove milling mechanism 2 and feed towards the metal bar 9, the third milling cutter is driven by the third pair of metal bar 9 to perform the key groove washing operation, when the third sliding table 21 is driven to move along with the third sliding table 21, and the length of the upper milling cutter is controlled to stop the length along with the rotation of the metal bar 9 along with the turntable 5.

Claims (3)

1. Milling machine with keyway and terminal surface synchronous milling function, its characterized in that: the automatic milling device comprises a frame main body (1), a positioning key slot milling mechanism (2), a third sliding table (21), a third linear sliding rail (22), a first U-shaped slot milling mechanism, a second U-shaped slot milling mechanism, a rotary table (5), an upper pressing block (6), a lower bearing block (7) and a quick presser (8), wherein the central position of the rotary table (5) is rotatably arranged on the frame main body (1) through a rotating shaft, a third driving motor is fixedly arranged on the frame main body (1), an output shaft of the third driving motor is in transmission connection with the rotating shaft through a coupling, the lower bearing block (7) and the quick presser (8) are arranged on the rotary table (5) in an annular array, the upper pressing block (6) is fixedly pressed on the lower bearing block (7) through the quick presser (8), a clamping groove matched with a metal bar (9) is formed in the upper pressing block (6), the third linear sliding rail (22) is fixedly arranged on the frame main body (1), the third sliding table (21) is slidably arranged on the third linear sliding rail (22) and is fixedly arranged on the third sliding table main body (21), the third sliding table is fixedly connected with a cylinder (21), and the third sliding table is fixedly connected with the cylinder (21); the first U-shaped groove milling mechanism and the second U-shaped groove milling mechanism are respectively arranged on the left side and the upper side of the turntable (5);

the first U-shaped groove milling mechanism comprises a first sliding table (3), a first driving motor (31), a first air cylinder (32), a first linear sliding rail (33) and a first milling cutter (34), wherein the first linear sliding rail (33) and the cylinder body of the first air cylinder (32) are fixedly arranged on a frame main body (1), the first sliding table (3) is slidably arranged on the first linear sliding rail (33), a piston rod of the first air cylinder (32) is fixedly connected with the first sliding table (3), the first driving motor (31) is fixedly arranged on the first sliding table (3), a cutter frame is fixedly arranged on a rotating shaft of the first driving motor (31) through a coupler, and the first milling cutter (34) is fixedly arranged on the cutter frame;

the second U-shaped groove milling mechanism comprises a second sliding table (4), a second driving motor (41), a second air cylinder (42), a second linear sliding rail (43) and a second milling cutter (44), wherein the second linear sliding rail (43) and the second air cylinder (42) are fixedly arranged on the frame main body (1), the second sliding table (4) is slidably arranged on the second linear sliding rail (43), a piston rod of the second air cylinder (42) is fixedly connected with the second sliding table (4), the second driving motor (41) is fixedly arranged on the second sliding table (4), a cutter frame is fixedly arranged on a rotating shaft of the second driving motor (41) through a coupler, and the second milling cutter (44) is fixedly arranged on the cutter frame.

2. The milling machine with key slot and face synchronous milling function according to claim 1, wherein: the clamping grooves matched with the metal bar (9) are arranged on the upper pressing block (6) and the lower bearing block (7) and are of V-shaped structures.

3. The milling machine with key slot and face synchronous milling function according to claim 1, wherein: the top surface of the lower bearing block (7) is provided with a positioning groove, the bottom surface of the upper pressing block (6) is provided with a positioning protrusion matched with the positioning groove, and the positioning protrusion can be embedded and installed in the positioning groove.