CN218136605U

CN218136605U - Automatic tool changing device of vertical machining center

Info

Publication number: CN218136605U
Application number: CN202222727686.7U
Authority: CN
Inventors: 李建刚
Original assignee: Sanhe Hangyu Runtong Technology Co ltd
Current assignee: Sanhe Hangyu Runtong Technology Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2022-12-27
Anticipated expiration: 2032-10-17

Abstract

The application provides an automatic tool changer of vertical machining center, the on-line screen storage device comprises a base, base up end rear side fixedly connected with link, the terminal surface front side is provided with the mobile device under the link diaphragm, mobile device lower part fixedly connected with spliced pole, the terminal surface is provided with the cutter main part under the spliced pole, terminal surface middle part fixedly connected with cylinder under the link diaphragm, terminal surface fixedly connected with mounting bracket under the output of cylinder, mounting bracket inner chamber top face fixedly connected with driving motor, driving motor's motor shaft fixedly connected with installation device, installation device are located directly over the rear side of cutter main part, and the device simple structure, convenient operation can replace artifical tool changing, has effectively improved the machining efficiency of work piece.

Description

Automatic tool changing device of vertical machining center

Technical Field

The utility model discloses specifically disclose a machining center technical field, concretely relates to vertical machining center's automatic tool changer.

Background

The machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is used for machining workpieces with complex shapes. The processing center is called a computer gong. The machining center is provided with a tool magazine, has an automatic tool changing function, and is a numerical control machine tool for performing multi-process machining after a workpiece is clamped once. The machining center is a highly electromechanical integrated product, after a workpiece is clamped, the numerical control system can control a machine tool to automatically select, replace a cutter, automatically set a tool, automatically change the rotating speed of a main shaft, feed amount and the like according to different procedures, and can continuously complete various procedures such as drilling, boring, milling, reaming, tapping and the like, so that the time of the workpiece clamping, the time of auxiliary procedures such as measurement, machine tool adjustment and the like is greatly reduced, and the numerical control machine tool has a good economic effect on parts which are relatively complex in machining shape, high in precision requirement and frequent in variety replacement;

when the vertical machining center is used, after a certain number of workpieces are machined by the cutter used by the vertical machining center, the cutter is worn, the quality of a machined product cannot meet the requirement, and the cutter needs to be replaced at the moment;

however, in the prior art, during actual use, a manual replacement mode is generally adopted for tool changing, however, by adopting such a mode, the replacement efficiency of the tool is relatively low, and the production efficiency of the vertical machining center is also reduced.

Disclosure of Invention

In view of the above-mentioned shortcomings or drawbacks of the prior art, the present application aims to provide a structure that allows quick automatic tool changing and stable installation.

The utility model provides a vertical machining center's automatic tool changer, includes the base, base up end rear side fixedly connected with link, the link has mutually perpendicular's diaphragm and riser, the terminal surface front side is provided with the mobile device under the link diaphragm, mobile device lower part fixedly connected with spliced pole, the terminal surface is provided with the cutter main part under the spliced pole, terminal surface middle part fixedly connected with cylinder under the link diaphragm, terminal surface fixedly connected with mounting bracket under the output of cylinder, mounting bracket inner chamber top face fixedly connected with driving motor, driving motor's motor shaft fixedly connected with installation device, installation device are located directly over the rear side of cutter main part.

According to the technical scheme that this application embodiment provided, mobile device includes fixed plate, gag lever post, movable block, lead screw and servo motor, the equal fixedly connected with fixed plate in terminal surface left and right sides, right side under the link diaphragm fixed plate right-hand member face lower part fixedly connected with servo motor, servo motor's motor shaft runs through right side fixed plate and fixedly connected with lead screw, the terminal swing joint of lead screw is in the left side the fixed plate right-hand member face, threaded connection has the movable block on the lead screw controls fixed plate opposite face upper portion fixedly connected with gag lever post, the gag lever post with the movable block activity is cup jointed, terminal surface fixedly connected with spliced pole under the movable block.

According to the technical scheme that this application embodiment provided, the cutter main part includes step motor, disc, U-shaped opening, cutter, spacing ring and dead lever, terminal surface fixedly connected with step motor under the spliced pole, step motor's the terminal fixedly connected with disc of motor shaft, the U-shaped opening has evenly been seted up to disc terminal surface outer lane, the inside cutter that is provided with of U-shaped opening, cutter outer wall upper portion fixedly connected with spacing ring, the spacing ring is located the disc up end, cutter up end middle part fixedly connected with dead lever.

According to the technical scheme that this application embodiment provided, installation device is including connecting frame, spout, micro motor, two-way lead screw, connecting block, stopper and spacing groove, driving motor's the terminal fixed connection connecting frame of motor shaft, the horizontal central axis department of connecting frame inner chamber top face has seted up the spout, the fixedly connected with micro motor of connecting frame right-hand member face center department, micro motor's motor shaft runs through and extends to connecting frame inner chamber and the two-way lead screw of fixedly connected with, the terminal swing joint of two-way lead screw is in connecting frame inner chamber left end face, the connecting block has all been cup jointed to the two-way lead screw outer wall left and right sides, the equal fixedly connected with stopper of terminal surface under the connecting block, the spacing groove has all been seted up at the middle part of stopper, inside the spout is extended to on connecting block upper portion, the width and the spout inner chamber width phase-match of connecting block.

According to the technical scheme that this application embodiment provided, spacing inslot cavity cross-section and the cross-section phase-match of dead lever, the dead lever extends to the distance between outside terminal surface and the cutter outer wall and equals with the degree of depth in spacing groove.

According to the technical scheme provided by the embodiment of the application, eight groups of U-shaped openings with the same structure are formed in the outer ring of the end face of the disc, and the eight groups of U-shaped openings are arranged in an annular array on the outer ring of the end face of the disc.

To sum up, the application discloses there is a vertical machining center's automatic tool changer.

Has the advantages that:

1. through mobile device, spliced pole and cutter main part, through servo motor drive, adjust the position of cutter main part, through step motor drive, adjusted the position of cutter to can carry out the tool changing fast, replace the mode of traditional artifical tool changing, improve the efficiency of tool changing.

2. Through cylinder, mounting bracket, driving motor and installation device, the cylinder starts, can adjust installation device's height, matches the height of cutter up end dead lever, starts micro motor, can guarantee that the dead lever is stabilized fixed to guarantee the stability of cutter, guarantee that the installation is stable, improve the machining precision.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

FIG. 1 is a schematic view of an automatic tool changer of a machining center of the present application;

FIG. 2 is a schematic diagram of a right-side view of an automatic tool changer of the machining center of the present application;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 of the present application;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 in the present application.

In the figure: 1. a base; 2. a connecting frame; 3. a mobile device; 31. a fixing plate; 32. a limiting rod; 33. a moving block; 34. a screw rod; 35. a servo motor; 4. connecting columns; 5. a cylinder; 6. a mounting frame; 7. a drive motor; 8. a stepping motor; 9. a disc; 10. a U-shaped opening; 11. a cutter; 12. a limiting ring; 13. fixing the rod; 14. a connecting frame; 15. a chute; 16. a micro motor; 17. a bidirectional screw rod; 18. connecting blocks; 19. a limiting block; 20. a limiting groove.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As mentioned in the background art, the present disclosure provides a structure for fast and automatically changing a tool and stably installing the tool, which aims at that a machining center in the prior art generally adopts a manual changing mode to change the tool, so that the efficiency of changing the tool is relatively low and the production efficiency of a vertical machining center is also reduced.

Example 1

Please refer to fig. 1-2, an automatic tool changer of a vertical machining center includes a base 1, a connecting frame 2 is fixedly connected to the rear side of the upper end surface of the base 1, the connecting frame 2 has a transverse plate and a vertical plate which are perpendicular to each other, the connecting frame 2 is in an L-shaped structure, the lower end surface of the vertical plate of the connecting frame 2 is welded to the upper end surface of the base 1, the stability of the connecting frame 2 is ensured, a moving device 3 is arranged on the front side of the lower end surface of the transverse plate of the connecting frame 2, a connecting column 4 is fixedly connected to the lower portion of the moving device 3, and a tool body is arranged on the lower end surface of the connecting column 4.

Please refer to fig. 1, in order to ensure that the tool on the tool body can be fixedly connected with the main shaft of the machining center, the middle part of the lower end surface of the transverse plate of the connecting frame 2 is fixedly connected with the cylinder 5, the lower end surface of the output end of the cylinder 5 is fixedly connected with the mounting frame 6, the mounting frame 6 is in the shape of a groove with a downward opening, the top end surface of the inner cavity of the mounting frame 6 is fixedly connected with the driving motor 7, the motor shaft of the driving motor 7 is fixedly connected with the mounting device, and the mounting device is located right above the rear side of the tool body.

Referring to fig. 1, in order to move the tool body and avoid the influence of the rotation of the spindle of the machining center on the work, the moving device 3 is composed of a fixing plate 31, a limiting rod 32, a moving block 33, a lead screw 34 and a servo motor 35, the fixing plate 31 is fixedly connected to the left side and the right side of the lower end face of the transverse plate of the connecting frame 2, the servo motor 35 is fixedly connected to the lower portion of the right end face of the fixing plate 31 at the right side, a motor shaft of the servo motor 35 penetrates through the fixing plate 31 at the right side and is fixedly connected with the lead screw 34, the tail end of the lead screw 34 is movably connected to the right end face of the fixing plate 31 at the left side, the moving block 33 is in threaded connection with the lead screw 34, the limiting rod 32 is fixedly connected to the upper portion of the opposite face of the fixing plate 31 at the left side and the left side, the limiting rod 32 is movably connected with the moving block 33, a connecting column 4 is fixedly connected to the moving block 33, and the stability of the tool body is guaranteed.

Referring to fig. 3, in order to ensure that a tool to be operated rotates to a position right below the mounting device, the tool main body needs to be adjusted at this time, the tool main body is formed by a stepping motor 8, a disc 9, a U-shaped opening 10, a cutter 11, a limiting ring 12 and a fixing rod 13, the stepping motor 8 is fixedly connected to the lower end face of the connecting column 4, the disc 9 is fixedly connected to the end of a motor shaft of the stepping motor 8, the motor shaft is fixedly connected to the center of the upper end face of the disc 9, the U-shaped opening 10 is uniformly formed in the outer ring of the end face of the disc 9, the opening faces outwards, the cutter 11 is arranged inside the U-shaped opening 10, the limiting ring 12 is fixedly connected to the upper portion of the outer wall of the cutter 11, the limiting ring 12 is located on the upper end face of the disc 9, the outer diameter of the limiting ring 12 is larger than the opening width of the U-shaped opening 10, it is ensured that the cutter 11 does not fall off, the fixing rod 13 is fixedly connected to the upper end face of the cutter 11, the fixing rod 13 is welded to the upper end face of the cutter 11, and stability of the fixing rod 13 is ensured.

Referring to fig. 4, in order to stably mount the cutter 11 on the main shaft of the machining center, a mounting device is formed by the connection frame 14, the sliding groove 15, the micro motor 16, the bidirectional screw rod 17, the connection block 18, the limiting block 19 and the limiting groove 20, the connection frame 14 is fixedly connected to the end of the motor shaft of the driving motor 7, and the connection frame 14 is in a groove shape with a downward opening, the end of the motor shaft of the driving motor 7 is fixedly connected to the center of the transverse plate of the connection frame 14, so that it is ensured that the driving motor does not shake during rotation, the sliding groove 15 is formed in the transverse central axis of the top end face of the inner cavity of the connection frame 14, the micro motor 16 is fixedly connected to the center of the right end face of the connection frame 14, the motor shaft of the micro motor 16 penetrates through and extends to the inner cavity of the connection frame 14 and is fixedly connected with the bidirectional screw rod 17, the end of the bidirectional screw rod 17 is movably connected to the left end face of the inner cavity of the connection frame 14, the connection block 18 is sleeved on the left and right sides of the outer wall of the bidirectional screw rod 17, the connecting block 18, the end face is fixedly connected to the limiting block 19, the limiting block 18, the limiting block 19 is fixedly connected to the limiting groove 20, and the limiting groove 20 is formed in the middle of the limiting groove 18.

Referring to fig. 4, in order to ensure that the cutter 11 can be locked by the limiting block 19, the cross section of the inner cavity of the limiting groove 20 is matched with the cross section of the fixing rod 13, so that the fixing rod 13 can be stably inserted into the inner cavity of the limiting groove 20, the distance between the end surface of the fixing rod 13 extending to the outside and the outer wall of the cutter 11 is equal to the depth of the limiting groove 20, and the fixing rod 13 is stably installed in the limiting groove 20.

Example 2

Referring to fig. 3, in order to ensure the processing diversity, eight sets of U-shaped openings 10 with the same structure are formed in the outer ring of the end face of the disc 9, and the eight sets of U-shaped openings 10 are arranged in an annular array on the outer ring of the end face of the disc 9, so that the use of various cutters 11 is facilitated, and complex workpieces can be processed.

The working principle is as follows: when the device is used, according to the processing requirement, a cutter 11 to be used is placed inside a U-shaped opening 10 of a disc 9, an external power supply is used for connection, a servo motor 35 is started, the servo motor 35 rotates to drive a lead screw 34 to rotate, the position is limited through a limiting rod 32, the lead screw 34 rotates to drive a moving block 33 to move left and right, the moving block 33 drives a connecting column 4 to move left and right, and further drives a cutter body to move left and right, according to the cutter 11 used at first, a stepping motor 8 is started, the rotation angle of a motor shaft of the stepping motor 8 is 45 degrees, the motor shaft of the stepping motor 8 rotates to drive the disc 9 to rotate, the disc 9 drives the cutter 11 to do circular motion, the cutter 11 is ensured to be located right below an installation device, the installation is convenient, an air cylinder 5 is started, the output end of the air cylinder 5 extends to drive an installation frame 6, a driving motor 7 and the installation device to move downwards, the downward is stopped to move until the limiting groove 20 is equal to the height of the fixing rod 13, the micro motor 16 is started, the micro motor 16 drives a bidirectional lead screw 17 to rotate, the connecting block 18 and is matched with a sliding groove 15 for limiting, the limiting block 18 is driven to be close to the limiting block 19, an inner cavity is ensured, and the fixing rod 13 is stable to work, thereby ensuring the cutter 11 to work conveniently. The device simple structure, convenient operation can replace artifical tool changing, has effectively improved the machining efficiency of work piece.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. The utility model provides a vertical machining center's automatic tool changer, includes base (1), its characterized in that: base (1) up end rear side fixedly connected with link (2), link (2) have mutually perpendicular's diaphragm and riser, the terminal surface front side is provided with mobile device (3) under link (2) diaphragm, mobile device (3) lower part fixedly connected with spliced pole (4), the terminal surface is provided with the cutter main part under spliced pole (4), terminal surface middle part fixedly connected with cylinder (5) under link (2) diaphragm, terminal surface fixedly connected with mounting bracket (6) under the output of cylinder (5), mounting bracket (6) inner chamber top end face fixedly connected with driving motor (7), the motor shaft fixedly connected with installation device of driving motor (7), installation device are located directly over the rear side of cutter main part.

2. The automatic tool changer of a vertical machining center according to claim 1, wherein: the moving device (3) comprises a fixing plate (31), a limiting rod (32), a moving block (33), a lead screw (34) and a servo motor (35), wherein the left side and the right side of the end face of the transverse plate of the connecting frame (2) are fixedly connected with the fixing plate (31), the right side of the end face of the fixing plate (31) is fixedly connected with the servo motor (35), a motor shaft of the servo motor (35) penetrates through the fixing plate (31) on the right side and the lead screw (34), the tail end of the lead screw (34) is movably connected to the left side of the right end face of the fixing plate (31), the lead screw (34) is in threaded connection with the moving block (33), the left side and the right side of the upper portion of the opposite face of the fixing plate (31) are fixedly connected with the limiting rod (32), the limiting rod (32) and the moving block (33) are movably connected in a sleeved mode, and the lower end face of the moving block (33) is fixedly connected with a connecting column (4).

3. The automatic tool changer of a vertical machining center according to claim 2, characterized in that: the cutter main part includes step motor (8), disc (9), U-shaped opening (10), cutter (11), spacing ring (12) and dead lever (13), terminal surface fixedly connected with step motor (8) under spliced pole (4), terminal fixedly connected with disc (9) of motor shaft of step motor (8), U-shaped opening (10) have evenly been seted up to disc (9) terminal surface outer lane, U-shaped opening (10) inside is provided with cutter (11), cutter (11) outer wall upper portion fixedly connected with spacing ring (12), spacing ring (12) are located disc (9) up end, cutter (11) up end middle part fixedly connected with dead lever (13).

4. The automatic tool changer of a vertical machining center according to claim 3, characterized in that: the mounting device comprises a connecting frame (14), a sliding groove (15), a micro motor (16), a two-way screw rod (17), a connecting block (18), a limiting block (19) and a limiting groove (20), the motor shaft end of the driving motor (7) is fixedly connected with the connecting frame (14), the sliding groove (15) is formed in the transverse central axis of the top end face of the inner cavity of the connecting frame (14), the connecting frame (14) is fixedly connected with the micro motor (16) in the center of the right end face of the connecting frame, the motor shaft of the micro motor (16) penetrates through the connecting frame (14) inner cavity and the two-way screw rod (17), the end of the two-way screw rod (17) is movably connected to the left end face of the inner cavity of the connecting frame (14), the connecting block (18) is sleeved on the left and right sides of the outer wall of the two-way screw rod (17), the limiting block (19) is fixedly connected with the lower end face of the connecting block (18), the limiting groove (20) is formed in the middle of the opposite face of the limiting block (19), the upper portion of the connecting block (18) extends to the inside of the sliding groove (15), and the width of the inner cavity of the connecting block (18) is matched with the width of the sliding groove (15).

5. The automatic tool changer of a vertical machining center according to claim 4, wherein: the cross section of the inner cavity of the limiting groove (20) is matched with the cross section of the fixing rod (13), and the distance between the end face of the fixing rod (13) extending to the outside and the outer wall of the cutter (11) is equal to the depth of the limiting groove (20).

6. The automatic tool changer of a vertical machining center according to claim 5, wherein: eight groups of U-shaped openings (10) with the same structure are formed in the outer ring of the end face of the disc (9), and the eight groups of U-shaped openings (10) are arranged in an annular array on the outer ring of the end face of the disc (9).