CN219212415U - Automatic tool changing device of vertical machining center - Google Patents

Abstract

The utility model relates to an automatic tool changing device of vertical machining center relates to vertical machining center technical field, in order to solve because a plurality of cutters all are fixed on the actuating cylinder through corresponding actuating cylinder directly, when need overhauls a plurality of cutters, need dismantle the cutter from corresponding actuating cylinder, the complicated problem of operation process, it includes the workstation, be provided with the support frame on the workstation, be provided with translation device and mount table on the support frame, translation device is used for driving the mount table horizontal slip setting on the support frame, be provided with actuating cylinder one on the mount table, the tip of actuating cylinder one piston rod is provided with the holder; the support frame is also provided with a first driving motor, the end part of a driving shaft of the first driving motor is provided with a rotating disc, and the rotating disc is provided with a plurality of cutter mounting holes. The application has the effect of conveniently overhauling and replacing a plurality of cutters.

Description

Automatic tool changing device of vertical machining center

Technical Field

The application relates to the technical field of vertical machining centers, in particular to an automatic tool changing device of a vertical machining center.

Background

The vertical machining center is a highly-automatic multifunctional numerical control machine tool with a tool magazine and an automatic tool changing device. After the workpiece is clamped once on the machining center, the digital control system can control the machine tool to automatically select and replace the cutter according to different working procedures, automatically change the rotating speed and the feeding amount of the main shaft of the machine tool, the moving track of the cutter relative to the workpiece and other auxiliary functions, sequentially finish the machining of multiple working procedures on a plurality of surfaces of the workpiece, and have multiple cutter changing or selecting functions, so that the production efficiency is greatly improved.

The prior art discloses an automatic tool changing device of a vertical machining center, which comprises a supporting table, wherein a supporting frame is arranged on the supporting table, a translation device is arranged on the supporting frame, a mounting table is arranged on the translation device, a plurality of driving cylinders are arranged at the bottom of the mounting table, and corresponding tools are arranged at the end part of a piston rod of each driving cylinder; when the vertical machining center is used, the driving cylinder corresponding to the required cutter is started according to the cutter used as required, so that the corresponding cutter is close to a workpiece to be machined.

However, since the plurality of cutters are directly fixed on the driving cylinder through the corresponding driving cylinder, when the plurality of cutters need to be overhauled, the cutters need to be detached from the corresponding driving cylinders, and the operation process is complex, so the improvement is needed.

Disclosure of Invention

In order to facilitate overhauling and replacing a plurality of cutters, the application provides an automatic cutter changing device of a vertical machining center.

The application provides an automatic tool changing device of vertical machining center adopts following technical scheme:

the automatic tool changing device of the vertical machining center comprises a workbench, wherein a supporting frame is arranged on the workbench, a translation device and a mounting table are arranged on the supporting frame, the translation device is used for driving the mounting table to horizontally slide and arranged on the supporting frame, a first driving cylinder is arranged on the mounting table, and a clamping piece is arranged at the end part of a piston rod of the first driving cylinder; the support frame is also provided with a first driving motor, the end part of a driving shaft of the first driving motor is provided with a rotating disc, and the rotating disc is provided with a plurality of cutter mounting holes.

Through adopting the technical scheme, when the cutter needs to be replaced, the clamping piece is moved to the upper part of the idle cutter mounting hole of the rotating disc through the translation device, the driving cylinder I is started, the clamping piece drives the cutter to be replaced to move towards the direction of the idle cutter mounting hole, when the bottom of the cutter to be replaced is moved into the cutter mounting hole, the driving cylinder I is closed, then the fixing of the cutter to be replaced is released through the clamping piece, the cutter to be replaced falls down and is clamped on the rotating disc, the driving motor I is started again, and when the cutter to be used moves to the lower part of the clamping piece, the driving motor I is closed, the cutter to be replaced is fixed by the clamping piece, and the cutter replacement is completed; all fix on the rolling disc through the mode of joint when a plurality of cutters need not to use to the convenience overhauls, changes a plurality of cutters, and then has improved automatic tool changing device's practicality.

Optionally, the holder includes fixed round platform, centre gripping circular arc board one and centre gripping circular arc board two, fixed round platform sets up the tip at the first drive shaft of drive cylinder, be provided with drive cylinder two between centre gripping circular arc board one and the fixed round platform, be provided with drive cylinder three between centre gripping circular arc board two and the fixed round platform, centre gripping circular arc board one and centre gripping circular arc board two all are located between drive cylinder two and the drive cylinder three.

By adopting the technical scheme, when a plurality of cutters are required to be fixed on the mounting seat, the bottom wall of the fixed round table is abutted against the cutter to be used through the translation device and the first driving cylinder, then the second driving cylinder and the third driving cylinder are started simultaneously, the first clamping circular arc plate and the second clamping circular arc plate are close to each other, and when the first clamping circular arc plate and the second clamping circular arc plate are abutted against the cutter, the second driving cylinder and the third driving cylinder are closed simultaneously; the cutter is stably fixed on the fixed round table through the driving cylinder II and the driving cylinder III.

Optionally, a cutter abutting hole is formed in the bottom wall of the fixed round table.

Through adopting above-mentioned technical scheme, when installing the cutter of waiting to use, start driving cylinder one, fixed round platform downwardly moving, when the cutter of waiting to use and the inner wall butt in cutter butt hole, close driving cylinder one, the inner wall in butt hole carries out spacingly to the cutter for the cutter is installed on fixed round platform more steadily.

Optionally, the first clamping circular arc plate and the second clamping circular arc plate are provided with anti-skid patterns on one side facing each other.

Through adopting above-mentioned technical scheme, the friction between cutter and centre gripping circular arc board and the centre gripping circular arc board can be increased to the antiskid line to make the cutter install on fixed round platform more steadily.

Optionally, the translation device includes driving motor two, lead screw and slide rail, driving motor two's base sets up on the support frame, driving motor two drive shaft is last to the one end setting of lead screw, the slide rail sets up on the support frame, the mount pad passes through the thread bush to be established on the lead screw, just the mount pad passes through the slide rail slip setting on the support frame.

By adopting the technical scheme, when the cutter needs to be moved, the second driving motor is started, the screw rod rotates, and the mounting table drives the cutter to slide along the support frame; the cutter can slide along the support frame through the cooperation of the second driving motor and the screw rod, and the sliding rail can further reduce the friction force between the mounting table and the support frame, so that the mounting table is more stable when driving the cutter to move.

Optionally, the rotating disc is provided with magnetic parts near the cutter mounting holes.

Through adopting above-mentioned technical scheme, can adsorb the work piece on the rolling disc through the magnetic part, the magnetic part can make the cutter install on the rolling disc more steadily promptly.

Optionally, one end of each cutter mounting hole near the top wall of the rotating disc is inclined outwards to form a guide surface.

By adopting the technical scheme, when the cutter is mounted on the rotating disc, the guide surface can more conveniently mount the cutter on the rotating disc.

Optionally, the workbench is provided with a support column, and one end of the rotating disc, which is far away from the first driving motor, is rotatably arranged on the support column.

Through adopting above-mentioned technical scheme, the support column can bear the partial weight of rolling disc for the rolling disc is more steady when rotating.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the cutter needs to be replaced, firstly, moving the clamping piece to the upper part of an idle cutter mounting hole of the rotating disc through the translation device, starting the driving cylinder I, driving the cutter to be replaced to move towards the direction of the idle cutter mounting hole by the clamping piece, when the bottom of the cutter to be replaced moves into the cutter mounting hole, closing the driving cylinder I, then releasing the fixation of the cutter to be replaced through the clamping piece, enabling the cutter to be replaced to fall down and be clamped on the rotating disc, starting the driving motor I again, and when the cutter to be used moves to the lower part of the clamping piece, closing the driving motor I, fixing the cutter to be replaced by the clamping piece, and completing the cutter replacement; the cutters are fixed on the rotating disc in a clamping manner when not in use, so that the cutters are convenient to overhaul and replace, and the practicability of the automatic cutter changing device is improved;

2. when a plurality of cutters are required to be fixed on the mounting seat, the bottom wall of the fixed round table is abutted against the cutter to be used through the translation device and the first driving cylinder, then the second driving cylinder and the third driving cylinder are started simultaneously, the first clamping circular arc plate and the second clamping circular arc plate are close to each other, and when the first clamping circular arc plate and the second clamping circular arc plate are abutted against the cutter, the second driving cylinder and the third driving cylinder are closed simultaneously; the cutter is stably fixed on the fixed round table through the driving cylinder II and the driving cylinder III;

3. the anti-skid lines can increase the friction force between the cutter and the first clamping circular arc plate and between the cutter and the second clamping circular arc plate, so that the cutter is more stably arranged on the fixed round table.

Drawings

Fig. 1 is a schematic structural view of an automatic tool changer of a vertical machining center according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram for showing a connection relationship between the first clamping circular arc plate and the second driving cylinder in the embodiment of the present application.

Fig. 3 is a schematic cross-sectional view for illustrating a positional relationship between a fixed circular table and a tool abutment hole in an embodiment of the present application.

Fig. 4 is an enlarged view at a in fig. 2.

Reference numerals illustrate: 1. a work table; 11. a support column; 2. a support frame; 21. a translation device; 211. a screw rod; 212. a slide rail; 213. a second driving motor; 22. a mounting table; 221. driving a first cylinder; 3. a clamping member; 31. fixing the round table; 311. the cutter is abutted against the hole; 32. clamping a first arc plate; 33. clamping a second arc plate; 34. driving a second cylinder; 35. driving a third cylinder; 36. anti-skid lines; 4. driving a first motor; 41. a rotating disc; 411. a cutter mounting hole; 412. a guide surface; 413. a magnetic member; 5. a cutter.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses an automatic tool changing device of a vertical machining center. Referring to fig. 1, an automatic tool changing device of a vertical machining center comprises a workbench 1, wherein a support frame 2 is fixedly arranged on the workbench 1 through welding, a translation device 21 is arranged on the support frame 2, a mounting table 22 is arranged on the translation device 21, a first driving cylinder 221 is fixedly arranged on the bottom wall of the mounting table 22 through bolts, and a clamping piece 3 is arranged at the end part of a piston rod of the first driving cylinder 221; one end of the support frame 2 is fixedly provided with a first driving motor 4 through a bolt, the end part of a driving shaft of the first driving motor 4 is fixedly provided with a rotating disc 41 through a bolt, a plurality of cutter mounting holes 411 are formed in the rotating disc 41, and a plurality of cutters 5 can be clamped on the rotating disc 41 through the corresponding cutter mounting holes 411.

Referring to fig. 1, when it is desired to replace the tool 5 on the holder 3, the mounting table 22 is first moved above the rotating disc 41 by the translation device 21; starting the first driving motor 4, rotating the rotating disc 41, and closing the first driving motor 4 when the cutter 5 on the clamping piece 3 is aligned with one idle cutter mounting hole 411 on the rotating disc 41; starting a first driving cylinder 221, wherein a piston rod of the first driving cylinder 221 drives a cutter 5 mounted on the clamping piece 3 to move towards a direction approaching to the rotating disc 41, and closing the first driving cylinder 221 when the cutter 5 to be replaced is clamped on the rotating disc 41 through the cutter mounting hole 411, and releasing the fixation of the cutter 5 to be replaced through the clamping piece 3; and then starting the first driving motor 4 again, when the cutter 5 to be used rotates to the bottom of the clamping piece 3, closing the first driving motor 4, fixing the end part of the driving shaft of the first driving cylinder 221 through the clamping piece 3, starting the first driving cylinder 221, and when the cutter 5 to be used leaves the rotating disc 41, closing the first driving cylinder 221, and completing the replacement of the cutter 5.

Referring to fig. 1, since a plurality of unnecessary cutters 5 are fastened to the rotating disc 41 through a plurality of cutter mounting holes 411, the cutters 5 are conveniently taken down from the vertical machining center, i.e., the plurality of cutters 5 are conveniently overhauled and replaced, thereby improving the practicability of the workbench 1.

Referring to fig. 1, the translation device 21 includes a second driving motor 213, a screw rod 211 and a slide rail 212, wherein a base of the second driving motor 213 is fixed at one end of the support frame 2 through a bolt, a driving shaft of the second driving motor 213 is parallel to the workbench 1, one end of the screw rod 211 is fixed at the end of the driving shaft of the second driving motor 213 through welding, one end of the screw rod 211, which is far away from the second driving motor 213, is rotatably arranged on the support frame 2 through a bearing, a mounting table 22 is sleeved on the screw rod 211 through a thread, the slide rail 212 is fixed at the bottom of the support frame 2 through a bolt, and a top wall of the mounting table 22 is fixed on a sliding block of the slide rail 212 through a bolt.

Referring to fig. 1, when the tool 5 on the clamping member 3 needs to be replaced, the driving motor 213 is started, the mounting table 22 drives the clamping member 3 to move towards the direction approaching to the rotating disc 41, and when the clamping member 3 drives the tool 5 to be replaced to move above the rotating disc 41, the driving motor 213 is turned off; through the combined action of the second driving motor 213 and the screw rod 211, the automatic translation of the cutter 5 to be replaced to the upper side of the rotating disc 41 is realized, and the friction between the mounting table 22 and the support frame 2 can be reduced through the sliding rail 212, so that the mounting table 22 is more stable when moving along the bottom wall of the support frame 2.

Referring to fig. 2 and 3, the clamping member 3 includes a fixed circular table 31, a first clamping circular arc plate 32 and a second clamping circular arc plate 33; the fixed round table 31 is mounted at the end part of the piston rod of the first driving cylinder 221 through a bolt, a cutter abutting hole 311 is formed in the bottom of the fixed round table 31, and the cutter abutting hole 311 and the piston rod of the first driving cylinder 221 are coaxially arranged; a second driving cylinder 34 is arranged between the first clamping circular arc plate 32 and the fixed round table 31, a base of the second driving cylinder 34 is fixed at the end part of the fixed round table 31 through bolts, and the first clamping circular arc plate 32 is fixed at the end part of a piston rod of the second driving cylinder 34 through welding; a third driving cylinder 35 is arranged between the second clamping circular arc plate 33 and the fixed circular truncated cone 31, the third driving cylinder 35 and the second driving cylinder 34 are symmetrically arranged at the bottom of the fixed circular truncated cone 31 relative to the cutter abutting hole 311, a base of the third driving cylinder 35 is fixed at the bottom of the fixed circular truncated cone 31 through bolts, and the second clamping circular arc plate 33 is fixed at the bottom of the fixed circular truncated cone 31 through welding.

Referring to fig. 2 and 3, when the workpiece to be used rotates until the fixed circular table 31 is located below the tool abutment hole 311, the first driving cylinder 221 is started, the piston rod of the first driving cylinder 221 drives the tool 5 to move downwards, when the top end of the tool 5 abuts against the inner wall of the tool abutment hole 311, the first driving cylinder 221 is closed, the second driving cylinder 34 and the third driving cylinder 35 are started simultaneously, the first clamping circular arc plate 32 and the second clamping circular arc plate 33 are close to each other, and when the first clamping circular arc plate 32 and the second clamping circular arc plate 33 abut against the tool 5 to be used, the second driving cylinder 34 and the third driving cylinder 35 are closed simultaneously, so that the tool 5 to be used is fixed on the fixed circular table 31.

Referring to fig. 2, the first clamping circular arc plate 32 and the second clamping circular arc plate 33 are provided with anti-skid stripes 36 on the sides facing each other, and in this embodiment, the anti-skid stripes 36 are composed of a plurality of stripes; the friction between the cutter 5 and the first clamping circular arc plate 32 and the second clamping circular arc plate 33 can be increased through the anti-skid patterns 36, so that the cutter 5 can be more stably fixed on the fixed round table 31.

Referring to fig. 4, a plurality of cutter mounting holes 411 are uniformly formed on the rotating disc 41 with the center of the rotating disc 41 as a center, and one end of each cutter mounting hole 411, which is close to the rotating disc 41, is inclined outwards to form a guide surface 412; the guide surface 412 can facilitate insertion of the tool 5 into the tool abutment hole 311.

Referring to fig. 4, the bottom wall of the rotating disc 41 is provided with magnetic members 413 near the plurality of cutter mounting holes 411, and in this embodiment, the magnetic members 413 are ring-shaped magnets, and the magnetic members 413 are fixed on the bottom wall of the rotating disc 41 by gluing; the cutter 5 can be more stably mounted on the rotary disk 41 by the magnetic member 413.

Referring to fig. 4, a support column 11 is fixed on the workbench 1 by welding, and one end of a rotating disc 41, which is far away from the first driving motor 4, is rotatably arranged on the workbench 1 by a bearing; the rotating disk 41 is more stably fixed to the table 1 by the support column 11.

The implementation principle of the automatic tool changing device of the vertical machining center is as follows: when the cutter 5 needs to be replaced, the driving motor II 213 is started firstly, the screw rod 211 rotates, the mounting table 22 slides along the support frame 2, and when the cutter 5 to be replaced moves to the position above the cutter abutting hole 311 where the rotating disc 41 is free, the driving motor II 213 is closed; then, the first driving cylinder 221 is started, when the bottom of the tool 5 to be replaced moves into the tool mounting hole 411, the first driving cylinder 221 is closed, and simultaneously the second driving cylinder 34 and the third driving cylinder 35 are started, the first clamping circular arc plate 32 and the second clamping circular arc plate 33 are far away from each other, and the tool 5 to be replaced falls off and is clamped on the rotating disc 41.

Then, the first driving motor 4 is started, when the cutter 5 to be used rotates below the cutter abutting hole 311, the first driving motor 4 is closed, the first driving cylinder 221 is started again, the fixed round table 31 moves downwards, and when the top end of the cutter 5 to be used abuts in the cutter abutting hole 311, the first driving cylinder 221 is closed; and the driving cylinder II 34 and the driving cylinder III 35 are started at the same time, and when the clamping circular arc plate I32 and the clamping circular arc plate II 33 are tightly abutted against the cutter 5 to be used, the driving cylinder II 34 and the driving cylinder III 35 are closed at the same time, and the driving cylinder I221 is started, so that the cutter 5 to be used is separated from the rotating disc 41.

The cutters 5 are clamped on the rotating disc 41 when not in use, so that the cutters 5 are convenient to overhaul and replace, and the practicability of the automatic cutter changing and loading device is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides an automatic tool changing device of vertical machining center, includes workstation (1), be provided with support frame (2) on workstation (1), be provided with translation device (21) and mount table (22) on support frame (2), translation device (21) are used for driving mount table (22) horizontal slip setting on support frame (2), its characterized in that: a first driving cylinder (221) is arranged on the mounting table (22), and a clamping piece (3) is arranged at the end part of a piston rod of the first driving cylinder (221); the support frame (2) is further provided with a first driving motor (4), the end part of a driving shaft of the first driving motor (4) is provided with a rotating disc (41), and the rotating disc (41) is provided with a plurality of cutter mounting holes (411).

2. The automatic tool changer of a vertical machining center according to claim 1, wherein: the clamping piece (3) comprises a fixed round table (31), a clamping circular arc plate I (32) and a clamping circular arc plate II (33), wherein the fixed round table (31) is arranged at the end part of a driving shaft of a driving cylinder I (221), a driving cylinder II (34) is arranged between the clamping circular arc plate I (32) and the fixed round table (31), a driving cylinder III (35) is arranged between the clamping circular arc plate II (33) and the fixed round table (31), and the clamping circular arc plate I (32) and the clamping circular arc plate II (33) are both arranged between the driving cylinder II (34) and the driving cylinder III (35).

3. The automatic tool changer of a vertical machining center according to claim 2, wherein: the bottom wall of the fixed round table (31) is provided with a cutter abutting hole (311).

4. The automatic tool changer of a vertical machining center according to claim 2, wherein: and anti-skid patterns (36) are arranged on one side of the first clamping circular arc plate (32) and one side of the second clamping circular arc plate (33) which face each other.

5. The automatic tool changer of a vertical machining center according to claim 1, wherein: the translation device (21) comprises a driving motor II (213), a screw rod (211) and a sliding rail (212), wherein a base of the driving motor II (213) is arranged on the supporting frame (2), one end of the screw rod (211) is arranged on a driving shaft of the driving motor II (213), the sliding rail (212) is arranged on the supporting frame (2), the mounting table (22) is sleeved on the screw rod (211) through threads, and the mounting table (22) is arranged on the supporting frame (2) in a sliding manner through the sliding rail (212).

6. The automatic tool changer of a vertical machining center according to claim 1, wherein: magnetic pieces (413) are arranged at the positions, close to the cutter mounting holes (411), of the rotating disc (41).

7. The automatic tool changer of a vertical machining center according to claim 1, wherein: one end of each cutter mounting hole (411) close to the top wall of the rotating disc (41) is obliquely outwards arranged to form a guide surface (412).

8. The automatic tool changer of a vertical machining center according to claim 1, wherein: the workbench (1) is provided with a support column (11), and one end of the rotating disc (41), which is far away from the first driving motor (4), is rotatably arranged on the support column (11).

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