CN215469791U

CN215469791U - Automatic tool changing device of numerical control machining center

Info

Publication number: CN215469791U
Application number: CN202122298143.3U
Authority: CN
Inventors: 郭小辉
Original assignee: Hebei Hangshun Electromechanical Equipment Manufacturing Co ltd
Current assignee: Hebei Hangshun Electromechanical Equipment Manufacturing Co ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-01-11
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses an automatic tool changing device of a numerical control machining center, which comprises a machine body bottom plate, a supporting seat, a first motor, a screw rod, a movable seat, a fixed column, a limiting plate, a first gear disc, a sliding chute, a tool apron, a tool containing groove, a first air cylinder, a pushing plate, a supporting rod, a supporting plate, a second air cylinder, a switching plate, a connecting rod, a pressing block, a second motor and a second gear disc. The utility model reduces the amount of motion of the cutter shaft and the motion trail of the cutter shaft, thereby ensuring that the cutter shaft is not easy to wear and prolonging the service life of the cutter shaft.

Description

Automatic tool changing device of numerical control machining center

Technical Field

The utility model relates to the technical field of numerical control machining centers, in particular to an automatic tool changing device of a numerical control machining center.

Background

The tool changing mode of the numerical control machining center is divided into a direct tool changing mode, a manipulator tool changing mode and a turret head tool changing mode, and the three modes generally adopt the mode that a cutter shaft moves to a tool magazine to take a cutter, so that the cutter is changed, the motion amount of the cutter shaft is increased, the motion trail of the cutter shaft is prolonged, the cutter shaft is easy to wear, and the service life of the cutter shaft is shortened.

Disclosure of Invention

In view of the above-described deficiencies or inadequacies in the prior art, it would be desirable to provide an automated tool changer for a numerically controlled machining center.

According to the technical scheme provided by the embodiment of the application, the automatic tool changer of the numerical control machining center comprises a machine body bottom plate, a supporting seat, a first motor, a screw rod, a movable seat, a fixed column, a limiting plate, a first gear disc, a sliding chute, a tool apron, a tool placing groove, a first air cylinder, a pushing plate, a supporting rod, a supporting plate, a second air cylinder, an adapter plate, a connecting rod, a pressing block, a second motor and a second gear disc, wherein the supporting seat is fixed on the machine body bottom plate, the first motor is fixed on one side wall of the supporting seat, one end of the screw rod is fixedly connected with the output end of the first motor, the other end of the screw rod is rotatably connected with the other side wall of the supporting seat, the movable seat is movably sleeved on the screw rod through threads, the fixed column is fixed on the machine body bottom plate, the limiting plate is fixedly sleeved at the upper end of the fixed column, the first gear disc is rotatably clamped between the two limiting plates on the fixed column, the chute is fixed on the first gear plate, the cutter holder is connected in the chute in a sliding way, the cutter holder is provided with the cutter placing groove at the end far away from the center point of the first gear disc, the top of the fixing column is fixed with the first air cylinder, the piston rod of the first cylinder is fixedly connected with the push plate, the support rod is fixed on the first gear disc, the top of the supporting rod is fixedly connected with the supporting plate, the second cylinder is fixed at the top of the supporting plate, the piston rod of the second cylinder passes through the supporting plate, the adapter plate is fixedly connected to the piston rod of the second cylinder, the connecting rod is fixedly connected on the adapter plate, the pressing block is fixedly connected at the lower end of the connecting rod, the second motor is fixed on the bottom plate of the machine body, and the output end of the second motor is fixedly connected with the second gear disc, and the second gear disc is meshed with the first gear disc.

In the utility model, the supporting seat is of a U-shaped structure, the cross section of the movable seat is of a convex structure, a groove is formed in the side surface of the movable seat far away from the screw rod, the end of the groove close to the first motor is of a closed structure, and the end of the groove far away from the first motor is of an open structure.

According to the utility model, the number of the limiting plates is two, the top of the limiting plate at the upper end is flush with the top of the fixing column, a clamping groove is formed between the two limiting plates, the first gear disc is rotationally clamped in the clamping groove, the height of the first gear disc is equal to the distance between the two limiting plates, and the first gear disc is of an annular structure.

In the utility model, a plurality of sliding grooves are arranged and distributed in an annular array structure, the tool apron is in a convex structure, and the tool apron is matched with the sliding grooves.

In the utility model, a sliding plate is fixed on the tool apron, and the length of the sliding plate is the same as the size of the groove on the movable seat and is positioned on the same horizontal plane.

In the utility model, the pushing plate is vertical to the groove on the movable seat, and the pushing plate is positioned on the fixed column close to the end of the movable seat.

In the utility model, three support rods are distributed in an annular array structure, the adapter plate and the support plate are in circular structures, the diameter of the support plate is larger than the diameter of an inner ring of the first gear disc and smaller than the diameter of an outer ring of the first gear disc, the diameter of the adapter plate is smaller than the diameter of the inner ring of the first gear disc, and the support plate, the second cylinder, the adapter plate and the first gear disc are coaxial.

In the utility model, the number of the connecting rods is equal to that of the sliding grooves, the connecting rods are distributed in an annular array structure, and the connecting rods are in an L-shaped structure.

In the utility model, the pressing block is aligned with the tool apron, and the second motor and the second gear wheel disc are coaxial.

To sum up, the beneficial effect of this application: the cutter is fixedly arranged in the cutter placing groove on the cutter holder, the second motor rotates to drive the second gear disc to rotate, the second gear disc drives the first gear disc to rotate on the fixed column, so that the cutter holder is driven to rotate, when the cutter holder to be subjected to cutter changing moves to be in contact with the movable seat, the first air cylinder is started to drive the pushing plate to move, so that the pushing plate pushes the cutter holder to slide in the sliding groove, the sliding plate on the cutter holder slides into the groove of the movable seat, the first motor is started to drive the screw rod to rotate, the screw rod drives the movable seat to move along the screw rod, so that the movable seat moves to the position below the cutter shaft, and further the cutter holder and the cutter to be changed move to the position below the cutter shaft to complete a cutter changing process.

Drawings

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

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a view of the tool magazine mechanism of the present invention;

FIG. 3 is a view showing the structure of the rotary mechanism of the tool magazine according to the present invention;

FIG. 4 is a view of the structure of the tool magazine holding mechanism of the present invention;

FIG. 5 is a view of the structure of the tool holder of the present invention;

FIG. 6 is a structural view of a movable seat of the present invention;

fig. 7 is a structural view of the pressing mechanism of the present invention.

Reference numbers in the figures: the machine body comprises a machine body bottom plate-1, a supporting seat-2, a first motor-3, a screw rod-4, a movable seat-5, a fixed column-6, a limiting plate-7, a first gear plate-8, a chute-9, a tool apron-10, a tool placing groove-11, a first cylinder-12, a pushing plate-13, a supporting rod-14, a supporting plate-15, a second cylinder-16, an adapter plate-17, a connecting rod-18, a pressing block-19, a second motor-20 and a second gear plate-21;

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 utility model. 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 shown in fig. 1-6, an automatic tool changer of a numerical control machining center includes a machine body bottom plate 1, a support seat 2, a first motor 3, a screw rod 4, a movable seat 5, a fixed column 6, a limit plate 7, a first gear plate 8, a chute 9, a tool apron 10, a tool placing groove 11, a first cylinder 12, a pushing plate 13, a support rod 14, a support plate 15, a second cylinder 16, an adapter plate 17, a connecting rod 18, a pressing block 19, a second motor 20, and a second gear plate 21, wherein the support seat 2 is fixed on the machine body bottom plate 1, the first motor 3 is fixed on one side wall of the support seat 2, one end of the screw rod 4 is fixedly connected with an output end of the first motor 3, the other end of the screw rod 4 is rotatably connected with the other side wall of the support seat 2, the movable seat 5 is movably sleeved on the screw rod 4 through a screw thread, the fixed column 6 is fixed on the machine body bottom plate 1, the limiting plates 7 are fixedly sleeved at the upper end of the fixed column 6, the first gear disc 8 is rotationally clamped between the two limiting plates 7 on the fixed column 6, the sliding chute 9 is fixed on the first gear disc 8, the tool apron 10 is slidably connected in the sliding chute 9, the tool apron 10 is provided with the tool placing groove 11 at the end away from the central point of the first gear disc 8, the first cylinder 12 is fixed at the top of the fixed column 6, the push plate 13 is fixedly connected to the piston rod of the first cylinder 12, the support rod 14 is fixed on the first gear disc 8, the support plate 15 is fixedly connected to the top of the support rod 14, the second cylinder 16 is fixed at the top of the support plate 15, the piston rod of the second cylinder 16 passes through the support plate 15, and the adapter plate 17 is fixedly connected to the piston rod of the second cylinder 16, the connecting rod 18 is fixedly connected to the adapter plate 17, the pressing block 19 is fixedly connected to the lower end of the connecting rod 18, the second motor 20 is fixed to the machine body bottom plate 1, the second gear disc 21 is fixedly connected to the output end of the second motor 20, and the second gear disc 21 is meshed with the first gear disc 8. The supporting seat 2 is of a U-shaped structure, the cross section of the movable seat 5 is of a convex structure, the movable seat 5 is far away from the side face of the screw rod 4, a groove is formed in the side face of the screw rod, the end of the first motor 3 is close to the groove, the end of the first motor 3 is of an open structure, and the groove is used for accommodating the cutter holder 10. Limiting plate 7 has two, and the upper end the top of limiting plate 7 and the top of fixed column 6 flush, two constitute the draw-in groove between the limiting plate 7, first toothed disc 8 rotates the joint in the draw-in groove, first toothed disc 8 highly and two the interval equals between the limiting plate 7, first toothed disc 8 is the loop configuration. The sliding grooves 9 are distributed in an annular array structure, the tool apron 10 is in a convex structure, and the tool apron 10 is matched with the sliding grooves 9. A sliding plate is fixed on the tool apron 10, and the length of the sliding plate is the same as the size of the groove on the movable seat 5 and is positioned on the same horizontal plane. The pushing plate 13 is perpendicular to the groove on the movable seat 5, the pushing plate 13 is located on the fixed column 6 near the end of the movable seat 5, and the pushing plate 13 is used for pushing the tool apron 10 to move, so that the tool apron 10 slides into the movable seat 5. The bracing piece 14 has threely, is the annular array structure and distributes, keysets 17 and backup pad 15 are circular structure, the diameter of backup pad 15 is greater than the inner ring diameter of first gear dish 8 is less than the outer ring diameter of first gear dish 8, the diameter of keysets 17 is less than the inner ring diameter of first gear dish 8, backup pad 15, second cylinder 16, keysets 17 and first gear dish 8 are coaxial. The number of the connecting rods 18 is equal to that of the sliding grooves 9, the connecting rods 18 are distributed in an annular array structure, and the connecting rods 18 are in an L-shaped structure. The pressing block 19 is aligned with the tool holder 10, the pressing block 19 is used for pressing the tool holder 10, and the second motor 20 and the second gear wheel 21 are coaxial.

The cutter is fixedly arranged in the cutter placing groove on the cutter holder, the second motor rotates to drive the second gear disc to rotate, the second gear disc drives the first gear disc to rotate on the fixed column, so that the cutter holder is driven to rotate, when the cutter holder to be subjected to cutter changing moves to be in contact with the movable seat, the first air cylinder is started to drive the pushing plate to move, so that the pushing plate pushes the cutter holder to slide in the sliding groove, the sliding plate on the cutter holder slides into the groove of the movable seat, the first motor is started to drive the screw rod to rotate, the screw rod drives the movable seat to move along the screw rod, so that the movable seat moves to the position below the cutter shaft, and further the cutter holder and the cutter to be changed move to the position below the cutter shaft to complete a cutter changing process.

The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the utility model according to the present application is not limited to the technical solutions in which the above-described technical features are combined in a specific manner, and also covers other technical solutions in which the above-described technical features or their equivalent are combined arbitrarily without departing from the inventive concept described above. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. Numerical control machining center's automatic tool changing device, including organism bottom plate (1), supporting seat (2), first motor (3), lead screw (4), sliding seat (5), fixed column (6), limiting plate (7), first toothed disc (8), spout (9), blade holder (10), put sword groove (11), first cylinder (12), slurcam (13), bracing piece (14), backup pad (15), second cylinder (16), adapter plate (17), connecting rod (18), compact heap (19), second motor (20), second toothed disc (21), characterized by: the supporting seat (2) is fixed on the machine body bottom plate (1), the first motor (3) is fixed on one side wall of the supporting seat (2), one end of the screw rod (4) is fixedly connected with the output end of the first motor (3), the other end of the screw rod (4) is rotatably connected with the other side wall of the supporting seat (2), the movable seat (5) is movably sleeved on the screw rod (4) through threads, the fixed column (6) is fixed on the machine body bottom plate (1), the limiting plate (7) is fixedly sleeved at the upper end of the fixed column (6), the first gear disc (8) is rotatably clamped between the two limiting plates (7) on the fixed column (6), the chute (9) is fixed on the first gear disc (8), the cutter holder (10) is slidably connected in the chute (9), and the cutter holder (10) is provided with the cutter placing groove(s) (2) (far away from the central point of the first gear disc (8) 11) The top of the fixed column (6) is fixed with the first air cylinder (12), a piston rod of the first air cylinder (12) is fixedly connected with the pushing plate (13), the supporting rod (14) is fixed on the first gear disc (8), the top of the supporting rod (14) is fixedly connected with the supporting plate (15), the second air cylinder (16) is fixed on the top of the supporting plate (15), a piston rod of the second air cylinder (16) penetrates through the supporting plate (15), a piston rod of the second air cylinder (16) is fixedly connected with the adapter plate (17), the adapter plate (17) is fixedly connected with the connecting rod (18), the lower end of the connecting rod (18) is fixedly connected with the pressing block (19), the second motor (20) is fixed on the machine body bottom plate (1), and the output end of the second motor (20) is fixedly connected with the second gear disc (21), the second gear wheel disc (21) is meshed with the first gear wheel disc (8).

2. The automatic tool changer of the numerical control machining center according to claim 1, characterized in that: the supporting seat (2) is of a U-shaped structure, the cross section of the movable seat (5) is of a convex structure, the movable seat (5) is far away from the side face of the screw rod (4) and is provided with a groove, the groove is close to the end of the first motor (3) and is of a closed structure, and the groove is far away from the end of the first motor (3) and is of an open structure.

3. The automatic tool changer of the numerical control machining center according to claim 1, characterized in that: limiting plate (7) have two, the upper end the top of limiting plate (7) and the top of fixed column (6) flush, two constitute the draw-in groove between limiting plate (7), first toothed disc (8) rotate the joint in the draw-in groove, the height and two of first toothed disc (8) the interval equals between limiting plate (7), first toothed disc (8) are the loop configuration.

4. The automatic tool changer of the numerical control machining center according to claim 1, characterized in that: the sliding grooves (9) are distributed in an annular array structure, the tool apron (10) is of a convex structure, and the tool apron (10) is matched with the sliding grooves (9).

5. The automatic tool changer of the numerical control machining center according to claim 1, characterized in that: a sliding plate is fixed on the tool apron (10), and the length of the sliding plate is the same as the size of the groove on the movable seat (5) and is positioned on the same horizontal plane.

6. The automatic tool changer of the numerical control machining center according to claim 1, characterized in that: the pushing plate (13) is perpendicular to the groove in the movable seat (5), and the pushing plate (13) is located on the fixing column (6) and close to the end of the movable seat (5).

7. The automatic tool changer of the numerical control machining center according to claim 1, characterized in that: bracing piece (14) have threely, are the annular array structure and distribute, keysets (17) and backup pad (15) are circular structure, the diameter of backup pad (15) is greater than the inner ring diameter of first gear dish (8), is less than the outer loop diameter of first gear dish (8), the diameter of keysets (17) is less than the inner ring diameter of first gear dish (8), backup pad (15), second cylinder (16), keysets (17) and first gear dish (8) are coaxial.

8. The automatic tool changer of the numerical control machining center according to claim 1, characterized in that: the number of the connecting rods (18) is equal to that of the sliding grooves (9), the connecting rods (18) are distributed in an annular array structure, and the connecting rods (18) are in an L-shaped structure.

9. The automatic tool changer of the numerical control machining center according to claim 1, characterized in that: the pressing block (19) is aligned with the tool apron (10), and the second motor (20) and the second gear wheel disc (21) are coaxial.