A horizontal turning and milling compound center with automatic tool change

Abstract

The present invention discloses a horizontal lathe-milling compound center capable of automatic tool change, comprising a main bed and a spindle motor fixedly arranged on the side thereof, a workpiece spindle fixedly arranged on the top of the main bed, a plurality of belts arranged between the workpiece spindle and the spindle motor for transmission, an X-axis bed slidably arranged on the top of the main bed via guide rails, a lathe-milling spindle slidably arranged on the top of the X-axis bed via guide rails, a vertical frame fixedly arranged on the side of the main bed, a tool magazine motor fixedly arranged on the side of the vertical frame, a fixed bracket fixedly arranged on the side of the vertical frame, a milling tool spindle and a lathe tool spindle fixedly passed through the lathe-milling spindle. The fixed bracket in the present invention is provided with a plurality of tools, and lathe tools and milling cutters can be interchanged in the same tool magazine without being restricted by workstations. Each workstation of the tool magazine can be installed arbitrarily, and the tool magazine claws are provided with a locking mechanism to prevent large tools from causing flying tools, thereby greatly reducing the size of the machine tool.

Description

Technical Field

[0001] The present invention relates to the technical field of turning and milling, in particular to a horizontal turning and milling compound center capable of automatically changing tools. Background Art

[0002] A lathe is a machine tool that primarily uses a turning tool to perform turning processing on rotating workpieces. Drills, reamers, reamers, taps, dies, and knurling tools can also be used on a lathe for corresponding processing.

[0003] The machine tools in the existing technology are generally divided into two structures: one with a powered turret and the other with a single spindle turning and milling. Due to the limitation of the spindle cutting rigidity, they cannot process larger parts. Therefore, it is necessary to provide a horizontal turning and milling compound center with automatic tool change. Summary of the Invention

[0004] The purpose of the present invention is to solve the problem in the prior art that larger parts cannot be processed, thereby proposing a horizontal turning and milling compound center with automatic tool change.

[0005] In order to achieve the above-mentioned objectives, the present invention adopts the following technical solutions: a horizontal turning and milling compound center with automatic tool change, comprising a main bed and a spindle motor fixedly arranged on its side, wherein a workpiece spindle is fixedly arranged on the top of the main bed, and multiple belts are arranged between the workpiece spindle and the spindle motor for transmission, an X-axis bed is slidably arranged on the top of the main bed through a guide rail, and a turning and milling spindle is slidably arranged on the top of the X-axis bed through a guide rail, a vertical frame is fixedly arranged on the side of the main bed, a tool magazine motor is fixedly arranged on the side of the vertical frame, and a fixed bracket is fixedly arranged on the side of the vertical frame, a milling tool spindle and a turning tool spindle are fixed through the turning and milling spindle, and a tool cylinder is provided at the ends of the milling tool spindle and the turning tool spindle, a milling spindle motor is fixedly arranged on the turning and milling spindle, a tool magazine motor is fixedly arranged on the side of the fixed bracket, a flip fixture is fixedly arranged on one end of the workpiece spindle, an X servo motor is fixedly arranged on the X-axis bed, and a Z servo motor is fixedly arranged on the top of the main bed.

[0006] Further preferably, a plurality of rectangular blocks are fixedly provided on the side of the fixed bracket, a fixed plate is fixedly provided on the power output end of the tool magazine motor, a driving cylinder is fixedly provided on the side of the fixed plate, a paddle is fixedly provided at one end of the driving cylinder, a travel switch is fixedly provided on the side of the driving cylinder through the support plate, a sliding rod is movable through the middle of the rectangular block, a retaining ring is provided at the other end of the sliding rod, and a convex plate is fixedly provided at one end of the sliding rod.

[0007] Further preferably, a plurality of bar blocks are fixedly provided on the side of the fixed bracket, a short sliding rod is movably passed through the middle of the bar block, a limiting block is fixedly provided at one end of the short sliding rod, a vertical spring is movably sleeved at one end of the short sliding rod, and a plurality of limiting columns and a plurality of penetrating columns are fixedly provided on the side of the fixed bracket.

[0008] Further preferably, two tool claws are movably provided on the through column, a positioning block is fixedly provided on the side of the tool claw, a transverse spring is fixedly provided between the two tool claws, and a clamping plate is fixedly provided at one end of the plurality of through columns.

[0009] Further preferably, a long screw is movably passed through the tool claw, and thread grooves are provided at both ends of the long screw. Threaded plates are threadedly sleeved on both ends of the long screw through the thread grooves, and threaded rings are threadedly sleeved on both ends of the long screw through the thread grooves.

[0010] Further preferably, two movable rings and separation rings are movably connected at both ends of the long screw, a movable cylinder is nested and fixed on the two movable rings, a spiral groove is provided on the surface opening of the movable cylinder, and a rubber sheet and a support sheet are bonded in the spiral groove on the surface of the movable cylinder.

[0011] Further preferably, the separation ring is located between the movable ring and the threaded ring, the support sheet is spirally wrapped around the surface of the movable cylinder through the spiral groove, and the rubber sheet is spirally wrapped around the surface of the movable cylinder through the spiral groove.

[0012] Further preferably, the support sheet is made of rubber, the rubber sheet covers the column support sheet, and there is no contact between the support sheet and the rubber sheet, the spiral directions of the thread grooves at both ends of the long screw are opposite, and the tool claw is located in the middle of the two movable cylinders.

[0013] Further preferably, an arc-shaped notch is provided on one side of the tool claw, the notches of the two tool claws are adapted to the tool, and the spiral directions of the two rubber sheets on the front and back sides of the tool claw are opposite.

[0014] Further preferably, the tool claw is divided into two, one of which has a straight jaw opening and is movably penetrated by two penetrating columns, and the other has an arc-shaped jaw opening and is movably penetrated by a penetrating column, with its side against the side of the limiting column and two transverse springs against the middle of the tool claw.

[0015] The beneficial effects of the present invention are as follows: a plurality of tools are arranged on the fixed bracket, and the turning tool and the milling cutter can be interchanged in the same tool magazine without being restricted by the workstation. Each workstation of the tool magazine can be installed arbitrarily. The tool magazine claw has a locking mechanism, which can avoid the phenomenon of flying tools caused by large tools, and can greatly reduce the size of the machine tool and save manufacturing costs. The tool magazine can be divided into two areas, one is the turning tool area and the other is the milling cutter area. The tool positions can be arbitrarily divided according to the needs of the parts. Each tool position in the tool magazine is provided with a locking mechanism to prevent the tool from flying out, and the machine tool is not restricted by the dryness of the tool. system, with the largest processing range among equipment of the same specifications; the machine tool has two linear axes, X and Z, which can enable the turning and milling spindles to move forward, backward, left and right. During the clamping process of the workpiece, due to the large stroke of the Z axis, the Z axis can be moved to the extreme right end, leaving a larger space between the tool and the workpiece spindle, making operation more convenient. The tool magazine is at the rear of the machine tool, and the turning spindle and the milling spindle can use the same tool magazine to change tools alternately. The turning spindle is fixed and the milling spindle performs rotating processing to achieve the combination of turning and milling. This can not only ensure the rigidity of the turning spindle, but also meet the processing capacity of the milling spindle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 It is a structural schematic diagram of the fixing bracket of the present invention.

[0018] Figure 3 It is a structural schematic diagram of the workpiece spindle of the present invention.

[0019] Figure 4 The structure of the turning and milling spindle of the present invention is shown as follows Figure 1 .

[0020] Figure 5 The structure of the turning and milling spindle of the present invention is shown as follows Figure 2 .

[0021] Figure 6 It is a structural schematic diagram of the fixing bracket of the present invention.

[0022] Figure 7 Schematic diagram of the structure of the sliding rod of the present invention.

[0023] Figure 8 It is a structural schematic diagram of the tool claw of the present invention.

[0024] Figure 9 It is a structural schematic diagram of the movable cylinder of the present invention.

[0025] Figure 10 It is a structural schematic diagram of the long screw of the present invention.

[0026] Figure 11 It is a cross-sectional schematic diagram of the long screw of the present invention.

[0027] In the figure: main bed 1, spindle motor 2, belt 3, workpiece spindle 4, X-axis bed 5, turning and milling spindle 6, vertical frame 7, X servo motor 8, fixed bracket 9, Z servo motor 10, long screw 11, tool magazine motor 12, milling tool spindle 13, turning tool spindle 14, milling spindle motor 15, tool cylinder 16, flip fixture 17, rectangular block 18, bar block 19, fixed plate 20, paddle 21, sliding rod 22, travel switch 23, retaining ring 24, vertical spring 25, limit block 26, limit column 27, transverse spring 28, positioning block 29, tool claw 30, through column 31, clamping plate 32, threaded plate 33, movable ring 34, movable cylinder 35, separator ring 36, threaded ring 37, threaded groove 38, rubber sheet 39, support sheet 40, drive cylinder 41. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0029] Reference Figures 1 to 11 A horizontal turning and milling compound center with automatic tool change includes a main bed 1 and a spindle motor 2 fixed on its side. A workpiece spindle 4 is fixed on the top of the main bed 1. A plurality of belts 3 are provided between the workpiece spindle 4 and the spindle motor 2 for transmission. An X-axis bed 5 is slidably provided on the top of the main bed 1 through a guide rail. A turning and milling spindle 6 is slidably provided on the top of the X-axis bed 5 through a guide rail. A vertical frame 7 is fixed on the side of the main bed 1. A tool magazine motor 12 is fixed on the side of the vertical frame 7. A fixed bracket 9 is fixed on the side of the turning and milling spindle 6, a milling tool spindle 13 and a turning tool spindle 14 are fixed through the turning and milling spindle 6, and a tool cylinder 16 is provided at the ends of the milling tool spindle 13 and the turning tool spindle 14. A milling spindle motor 15 is fixed on the turning and milling spindle 6, a tool magazine motor 12 is fixed on the side of the fixed bracket 9, a flip fixture 17 is fixed on one end of the workpiece spindle 4, an X servo motor 8 is fixed on the X-axis bed 5, and a Z servo motor 10 is fixed on the top of the main bed 1;

[0030] During specific implementation, a plurality of tools are arranged on the fixed bracket 9, and the turning tool and the milling cutter can be interchanged in the same tool magazine without being restricted by the workstation. Each workstation of the tool magazine can be installed arbitrarily. The tool magazine claw has a locking mechanism to avoid the phenomenon of flying tools caused by large tools, which can greatly reduce the size of the machine tool and save manufacturing costs. The tool magazine can be divided into two areas, one is the turning tool area and the other is the milling cutter area. The tool positions can be arbitrarily divided according to the needs of the parts. Each tool position in the tool magazine is provided with a locking mechanism to prevent the tool from flying out, and the machine tool is not restricted by the dryness of the tool. Among equipment of the same specifications, it has the largest processing range. The machine tool has two linear axes, X and Z, which can make the turning and milling spindles move forward, backward, left and right. During the clamping of the workpiece, due to the large stroke of the Z axis, the Z axis can be moved to the far right end. There is a large space between the tool and the workstation spindle 4, which is more convenient to operate. The tool magazine is at the rear of the machine tool. The turning spindle and the milling spindle can use the same tool magazine to change tools alternately. The turning spindle is fixed and the milling spindle is rotated to achieve the combination of turning and milling. This can not only ensure the rigidity of the turning spindle, but also meet the processing capacity of the milling spindle.

[0031] Preferably, a plurality of rectangular blocks 18 are fixedly provided on the side of the fixed bracket 9, a fixed plate 20 is fixedly provided on the power output end of the tool magazine motor 12, a driving cylinder 41 is fixedly provided on the side of the fixed plate 20, a paddle 21 is fixedly provided on one end of the driving cylinder 41, a travel switch 23 is fixedly provided on the side of the driving cylinder 41 through a support plate, a sliding rod 22 is movably passed through the middle of the rectangular block 18, a retaining ring 24 is provided at the other end of the sliding rod 22, a convex plate is fixedly provided at one end of the sliding rod 22, a plurality of strip blocks 19 are fixedly provided on the side of the fixed bracket 9, a short sliding rod is movably passed through the middle of the strip block 19, a limiting block 26 is fixedly provided at one end of the short sliding rod, a vertical spring 25 is movably sleeved on one end of the short sliding rod, a plurality of limiting columns 27 and a plurality of penetrating columns 31 are fixedly provided on the side of the fixed bracket 9;

[0032] During specific implementation, the main structure of the main bed 1 includes a turning spindle, a milling spindle, two linear axes X and Z, a tool magazine rotation axis, and a workpiece spindle 4. The workpiece spindle 4 can be equipped with a flip fixture, which can be flipped after clamping the workpiece, and one-time clamping can be achieved on a machine tool, and multi-faceted processing of turning and milling can be performed.

[0033] Preferably, a long screw rod 11 is movably passed through the tool claw 30, and both ends of the long screw rod 11 are opened with thread grooves 38, and both ends of the long screw rod 11 are threadedly sleeved with threaded plates 33 through the thread grooves 38, and both ends of the long screw rod 11 are threadedly sleeved with threaded rings 37 through the thread grooves 38. Two movable rings 34 and a separation ring 36 are movably sleeved at both ends of the long screw rod 11, and a movable cylinder 35 is nested and fixed on the two movable rings 34. The surface opening of the movable cylinder 35 is provided with a spiral groove, and a rubber sheet 39 and a support sheet 40 are bonded to the spiral groove on the surface of the movable cylinder 35;

[0034] During specific implementation, the two rubber sheets 39 synchronously generate thrusts on the tool in opposite directions, generating thrust through friction. The two thrusts act on the surface of the tool to increase the grip of the tool claws 30 and it. The grip of the two tool claws 30 on the tool is increased by the four rubber sheets 39, so that the two tool claws 30 can firmly clamp the tool.

[0035] Preferably, two tool claws 30 are movably provided on the through-column 31, a positioning block 29 is fixedly provided on the side of the tool claw 30, a transverse spring 28 is fixedly provided between the two tool claws 30, a clamping plate 32 is fixedly provided at one end of the through-columns 31, an arc-shaped notch is provided on one side of the tool claw 32, the notches of the two tool claws 32 are adapted to the tools, and the spiral directions of the two rubber sheets 39 on the front and back of the tool claw 32 are opposite;

[0036] During specific implementation, the movable cylinder 35 is located on the front and back sides of the tool claw 30. When the tool claw 30 clamps the tool, the tool moves along the side of the tool claw 30, and the tool and the movable cylinder 35 generate friction to cause it to rotate. After the movable cylinder 35 and the rubber sheet 39 rotate synchronously, the rubber sheet 39 generates friction with the tool when it rotates. Since the rubber sheet 39 is spirally wrapped around the surface of the movable cylinder 35, the rubber sheet 39 can roll the tool to move when it rotates.

[0037] Preferably, the spacer ring 36 is located between the movable ring 34 and the threaded ring 37, the support sheet 40 is spirally wrapped around the surface of the movable cylinder 35 through a spiral groove, and the rubber sheet 39 is spirally wrapped around the surface of the movable cylinder 35 through a spiral groove. The support sheet 40 is made of rubber, and the rubber sheet 39 covers the column support sheet 40, and there is no contact between the support sheet 40 and the rubber sheet 39. The spiral directions of the threaded grooves 38 at both ends of the long screw 11 are opposite, and the tool claw 32 is located between the two movable cylinders 35;

[0038] In specific implementation, the rubber sheet 39 is spirally wrapped around the surface of the movable cylinder 35. When the rubber sheet 39 rotates, it will generate thrust on the tool. The direction of the thrust is parallel to the axial direction of the sliding rod 22. The spiral directions of the two rubber sheets 39 are opposite. The thrusts generated by the two rubber sheets 39 act on the surface of the tool and offset each other. The four rubber sheets 39 are respectively located on both sides of the tool. The friction force of the four rubber sheets 39 acts on both sides of the tool. The thrusts in four directions act on both sides of the tool, so that the two tool claws 32 can stably clamp the tool. The rubber sheet 39 is semicircular. The rubber sheet 39 is deformed after it abuts the surface of the tool, which can greatly increase the contact area between the rubber sheet 39 and the tool, and greatly increase the friction between the rubber sheet 39 and the tool. The support sheet 40 is located in the depression of the rubber sheet 39. The rubber sheet 39 is deformed and abuts the surface of the support sheet 40. The support sheet 40 abuts the rubber sheet 39, increasing the positive pressure of the rubber sheet 39 on the tool, thereby further increasing the friction between the rubber sheet 39 and the tool, thereby increasing the thrust generated by the rubber sheet 39 on the tool, so that the two tool claws 32 can stably clamp the tool.

[0039] During specific implementation, the threaded plate 33 is located between the tool claw 30 and the movable cylinder 35 to prevent friction between the tool claw 30 and the movable cylinder 35, thereby protecting the tool claw 30 and the movable cylinder 35. The threaded ring 37 can move at both ends of the threaded rod 11 through the threaded groove 38. The threaded ring 37 rests on the separating ring 36, and the two movable cylinders 35 can be limited on the threaded rod 11. The threaded plate 33 can move at both ends of the threaded rod 11 through the threaded groove 38. The movable cylinder 35 and the movable ring 34 remain fixed. The threaded plate 33 and the threaded ring 37 cooperate with each other to limit the movable cylinder 35 to the end of the threaded rod 11, so that the two movable cylinders 35 can be detachably installed at both ends of the threaded rod 11. At the same time, the threaded rod 11 passes through the tool claw 30, so that the two movable cylinders 35 can be installed on the front and back of the tool claw 30 through the threaded rod 11.

[0040] Preferably, the tool claw 30 is divided into two, one of which has a straight jaw opening and is movably penetrated by two penetrating columns 31, and the other has an arc-shaped jaw opening and is movably penetrated by the penetrating column 31, with its side surface resting on the side surface of the limiting column 27, and two transverse springs 28 resting in the middle of the tool claw 30;

[0041] During the specific implementation, the tool magazine motor 12 drives the fixed plate 20, the paddle 21 and the travel switch 23 to rotate, so that the travel switch 23 is aligned with the convex plate at one end of the sliding rod 22, and the driving cylinder 41 drives the paddle 21 and the travel switch 23 to move synchronously. The paddle 21 moves along the axial direction of the sliding rod 22, and the paddle 21 rests on the convex plate at one end of the sliding rod 22, driving the sliding rod 22 to move in the rectangular block 18. The paddle 21 pulls the convex plate back, and the sliding rod 22 and the limit block 26 and other structures move synchronously, so that the sliding rod 2 2 will be pulled out from the rear ends of the two tool claws 30. One of the tool claws 30 rotates with the through column 31 as the center, and the tool can be sent into the tool claw 30. The tool change is completed, the driving cylinder 41 extends, and the driving cylinder 41 drives the paddle 21 away from the convex plate at one end of the sliding rod 22. The sliding rod 22 rebounds through the transverse spring 28, and the spherical limit block 26 is sent back between the two tool claws 30. The tool claw 30 is locked and cannot rotate. The tool cannot be thrown out when the tool magazine rotates.

[0042] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A horizontal turning and milling compound center with automatic tool change, comprising a main bed (1) and a spindle motor (2) fixedly arranged on the side thereof, characterized in that: A workpiece spindle (4) is fixedly provided on the top of the main bed (1), and a plurality of belts (3) are provided between the workpiece spindle (4) and the spindle motor (2) for transmission. An X-axis bed (5) is slidably provided on the top of the main bed (1) via a guide rail, and a turning and milling spindle (6) is slidably provided on the top of the X-axis bed (5) via a guide rail. A vertical frame (7) is fixedly provided on the side of the main bed (1), a tool magazine motor (12) is fixedly provided on the side of the vertical frame (7), a fixed bracket (9) is fixedly provided on the side of the vertical frame (7), and the turning and milling spindle (6) is fixedly provided. ) is fixed with a milling tool spindle (13) and a turning tool spindle (14), the ends of the milling tool spindle (13) and the turning tool spindle (14) are both provided with a tool cylinder (16), a milling spindle motor (15) is fixedly provided on the turning and milling spindle (6), a tool magazine motor (12) is fixedly provided on the side of the fixed bracket (9), a flip fixture (17) is fixedly provided on one end of the workpiece spindle (4), an X servo motor (8) is fixedly provided on the X-axis bed (5), and a Z servo motor (10) is fixedly provided on the top of the main bed (1); A plurality of rectangular blocks (18) are fixedly provided on the side of the fixed bracket (9), a fixed plate (20) is fixedly provided on the power output end of the tool magazine motor (12), a driving cylinder (41) is fixedly provided on the side of the fixed plate (20), a paddle (21) is fixedly provided on one end of the driving cylinder (41), a travel switch (23) is fixedly provided on the side of the driving cylinder (41) through a support plate, a sliding rod (22) is movably passed through the middle of the rectangular block (18), a retaining ring (24) is provided on the other end of the sliding rod (22), and a convex plate is fixedly provided on one end of the sliding rod (22); The side of the fixed bracket (9) is fixedly provided with a plurality of strip blocks (19), a short slide rod is movably passed through the middle of the strip block (19), a limit block (26) is fixedly provided at one end of the short slide rod, a vertical spring (25) is movably sleeved at one end of the short slide rod, and a plurality of limit columns (27) and a plurality of penetrating columns (31) are fixedly provided on the side of the fixed bracket (9); Two tool claws (30) are movably provided on the through-column (31), a positioning block (29) is fixedly provided on the side of the tool claw (30), a transverse spring (28) is fixedly provided between the two tool claws (30), and a clamping plate (32) is fixedly provided at one end of the plurality of through-columns (31); A long screw rod (11) is movably inserted into the tool claw (30), and thread grooves (38) are provided at both ends of the long screw rod (11). Threaded plates (33) are threadedly sleeved at both ends of the long screw rod (11) through the thread grooves (38), and threaded rings (37) are threadedly sleeved at both ends of the long screw rod (11) through the thread grooves (38).

2. The horizontal turning-milling compound center with automatic tool change according to claim 1, characterized in that: Two movable rings (34) and a separation ring (36) are movably sleeved at both ends of the long screw (11), a movable cylinder (35) is nested and fixed on the two movable rings (34), a surface opening of the movable cylinder (35) is provided with a spiral groove, and a rubber sheet (39) and a support sheet (40) are bonded in the spiral groove on the surface of the movable cylinder (35).

3. The horizontal turning-milling compound center with automatic tool change according to claim 2, characterized in that: The separation ring (36) is located between the movable ring (34) and the threaded ring (37), the support sheet (40) is spirally wound around the surface of the movable cylinder (35) through the spiral groove, and the rubber sheet (39) is spirally wound around the surface of the movable cylinder (35) through the spiral groove.

4. The horizontal turning-milling compound center with automatic tool change according to claim 2, characterized in that: The support sheet (40) is made of rubber, the rubber sheet (39) covers the support sheet (40), and the support sheet (40) and the rubber sheet (39) do not contact each other. The spiral directions of the thread grooves (38) at both ends of the long screw (11) are opposite, and the tool claw (30) is located in the middle of the two movable cylinders (35).

5. The horizontal turning-milling compound center with automatic tool change according to claim 2, characterized in that: An arc-shaped notch is provided on one side of the tool claw (30), and the notches of the two tool claws (30) are adapted to the tool. The spiral directions of the two rubber sheets (39) on the front and back sides of the tool claw (30) are opposite.

6. The horizontal turning-milling compound center with automatic tool change according to claim 1, characterized in that: The tool claw (30) is divided into two, one of which has a straight jaw opening and is movably penetrated by two penetrating columns (31), and the other has an arc-shaped jaw opening and is movably penetrated by the penetrating columns (31), with its side surface resting against the side surface of the limiting column (27), and two transverse springs (28) resting between the two tool claws (30).

Images