CN219043662U

CN219043662U - Tool changing mechanism for numerical control lathe

Info

Publication number: CN219043662U
Application number: CN202223420296.1U
Authority: CN
Inventors: 陶振券; 韦京; 刘家荣
Original assignee: Foshan Nanhai Zhongyuxing Precision Machinery Co ltd
Current assignee: Foshan Nanhai Zhongyuxing Precision Machinery Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-05-19
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses a tool changing mechanism for a numerical control lathe, which relates to the technical field of numerical control lathes and comprises a turret support and a power turret; a frame-shaped mounting position is formed in the cutter tower support, the left side and the right side of the frame-shaped mounting position are respectively provided with a cutter tower support, the power cutter towers are installed in the frame-shaped mounting position in a clearance fit manner, a conveying mechanism is fixedly installed on the upper side of the cutter tower support, and the conveying mechanism controls the power cutter towers to move up and down in the frame-shaped mounting position; the left side of the power turret is fixedly provided with a steel plate, the steel plate covers the frame-type installation position, a round hole is formed in the steel plate, a rotating shaft is installed in the round hole in a clearance fit manner, the left end of the rotating shaft is fixedly provided with a cutter changing disc, the front side edge of the cutter changing disc extends out of the turret support to be arranged, and the right end of the rotating shaft is installed in the power turret in a rotating fit manner; the beneficial effects are that: the scraps produced during processing can be effectively blocked through the steel plate, so that the conveying precision of the power turret is ensured, the stability is improved, the abrasion is not easy to cause, and the service life is prolonged.

Description

Tool changing mechanism for numerical control lathe

Technical Field

The utility model relates to the technical field of numerically controlled lathes, in particular to a tool changing mechanism for a numerically controlled lathe.

Background

A numerical control lathe is one of the numerical control lathes that are widely used. The cutting tool is mainly used for cutting machining of inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces of any cone angle, complex rotation inner and outer curved surfaces, cylindrical threads, conical threads and the like, and can be used for grooving, drilling, reaming, boring and the like. The numerical control machine tool automatically processes the processed parts according to a processing program which is programmed in advance.

The tool turret structure for the numerical control lathe on the market cannot be adjusted in a lifting mode generally, so that tools on the tool turret cannot be aligned to products for milling, the traditional solution is that the tool turret is installed in a gantry type lifting mechanism, the gantry type lifting mechanism has the defect of unstable structure, machining accuracy is low, and interference is easy to occur on the lathe with a back shaft.

In order to solve the above problems, in chinese patent application (publication No. CN 217315932U, publication No. 2022.08.30), a four-rail six-slider Y-axis device is disclosed, which can perform stable lifting movement, and implement automatic tool changing operation through a power turret, however, the power turret does not perform any protection, and during turning and milling of a workpiece, generated scraps can be directly accumulated on the outer side of the power turret, which is inconvenient to clean, and the scraps can be trapped in a fit gap between a second rail and a second slider, so that the second rail is worn, and the lifting movement stability of the power turret can be affected after long-term use.

Disclosure of Invention

The utility model provides a technical scheme capable of solving the problems in order to overcome the defects of the prior art.

A tool changing mechanism for a numerical control lathe comprises a turret support and a power turret;

a frame-shaped mounting position is formed in the cutter tower support, the left side and the right side of the frame-shaped mounting position are respectively provided with a cutter tower support, the power cutter towers are installed in the frame-shaped mounting position in a clearance fit manner, a conveying mechanism is fixedly installed on the upper side of the cutter tower support, and the conveying mechanism controls the power cutter towers to move up and down in the frame-shaped mounting position;

the left side fixed mounting of power sword tower has the steel sheet, and the steel sheet covers frame type installation position setting, and the shaping has the round hole on the steel sheet, and clearance fit installs the pivot in the round hole, and the left end fixed mounting of pivot has the tool changing dish, and the front side edge of tool changing dish extends the sword tower support setting, and the right-hand member normal running fit of pivot is installed in power sword tower.

Further: the four ends of the left side of the tool turret support are provided with notches, a Z-axis sliding rail is fixedly arranged between the notches on the upper side and the lower side, two sliding blocks are arranged on the Z-axis sliding rail in a sliding fit mode, a steel plate is fixedly arranged on the four sliding blocks of the two Z-axis sliding rails, and the steel plate covers the Z-axis sliding rail and the sliding block.

Further: the outer side of the cutter changing disc is fixedly provided with a plurality of cutter holders which are arranged in a circular array, and turning and milling compound cutters are fixedly arranged in the cutter holders.

Optionally: the turning and milling composite cutter adopts one or more of a turning tool, a milling cutter, a thread cutter, a drill bit, a reaming cutter and a boring cutter.

Further: the right end of the right side of the turret support is fixedly provided with an L-shaped support, a plurality of cutter placing grooves are formed in the L-shaped support, and the turning and milling composite cutter can be installed in the cutter placing grooves in a clearance fit mode.

Further: the right side of the power turret is fixedly provided with a tool changing motor, the tool changing motor drives a rotating shaft to rotate, and the tool changing motor adopts a stepping motor.

Optionally: the conveying mechanism adopts any one of a screw rod sliding block mechanism, an electric push rod, an air cylinder, a hydraulic cylinder and an oil hydraulic cylinder.

Optionally: the left side surface shaping of power sword tower has the steel sheet fluting, and steel sheet clearance fit installs in the steel sheet fluting, and the equal fixed mounting of front and back both sides edge department of power sword tower left side surface, and the clamp plate covers the border setting of steel sheet.

Optionally: the front and back sides of the steel plate are inwards bent, the left edges of the front and back sides of the turret support are provided with convex edges, and the front and back edges of the steel plate are correspondingly coated on the outer sides of the convex edges one by one.

Compared with the prior art, the utility model has the beneficial effects that:

1. the power turret can be lifted and moved in the frame-type installation position, so that the whole equipment is smaller in size, the turning and milling combined machining of the numerical control lathe can be applied, and the actual operation is convenient;

2. the produced piece can effectively block through the steel sheet in the course of processing, avoids the piece to pile up in the outside of power sword tower, and the lift adjustment of power sword tower in frame type installation position is not influenced by the piece, has guaranteed the precision that the power sword tower carried, and stability improves, is difficult for causing wearing and tearing, and life improves.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of FIG. 5 from another perspective;

FIG. 3 is a schematic view of the structure of the present utility model using a platen;

FIG. 4 is an enlarged schematic view of the structure at A of FIG. 1;

FIG. 5 is a schematic view of the present utility model employing a rim;

FIG. 6 is an enlarged schematic view of the structure at B of FIG. 3;

fig. 7 is a schematic structural view of the present utility model when applied to a numerically controlled lathe.

The figure shows: 1. a turret support; 2. a power turret; 3. a frame-type mounting position; 4. a conveying mechanism; 5. a steel plate; 6. a round hole; 7. a rotating shaft; 8. changing a cutter head; 9. a notch; 10. a Z-axis sliding rail; 11. a slide block; 12. a tool holder; 13. turning and milling a composite cutter; 14. an L-shaped bracket; 15. a cutter placing groove; 16. a tool changing motor; 17. grooving the steel plate; 18. a pressing plate; 19. convex edge.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 7, the tool changing mechanism for the numerically controlled lathe comprises a turret support 1 and a power turret 2;

a frame-type mounting position 3 is formed in the cutter tower support 1, the left side and the right side of the frame-type mounting position 3 are respectively provided with the cutter tower support 1, the power cutter tower 2 is installed in the frame-type mounting position 3 in a clearance fit manner, a conveying mechanism 4 is fixedly installed on the upper side of the cutter tower support 1, and the conveying mechanism 4 controls the power cutter tower 2 to move up and down in the frame-type mounting position 3;

the left side of the power turret 2 is fixedly provided with a steel plate 5, the steel plate 5 covers the frame-type installation position 3, a round hole 6 is formed in the steel plate 5, a rotating shaft 7 is installed in the round hole 6 in a clearance fit manner, the left end of the rotating shaft 7 is fixedly provided with a cutter changing disc 8, the front side edge of the cutter changing disc 8 extends out of the turret support 1 to be arranged, and the right end of the rotating shaft 7 is installed in the power turret 2 in a rotation fit manner;

the principle is as follows: the power turret 2 can go up and down to remove in frame installation position 3, and then realize the height of automatically regulated power turret 2, can be suitable for the compound processing of turning and milling of numerical control lathe, the setting of steel sheet 5 can cover power turret 2, and the pivot 7 cooperation of power turret 2 is installed in round hole 6, drive cutterhead 8 rotates during the tool changing operation, the piece that produces in the course of the processing can effectively block through steel sheet 5 to realize turning and milling compound processing on cutterhead 8, avoid the piece to pile up in the outside of power turret 2, the lift adjustment of power turret 2 in frame installation position 3 is not influenced by the piece, the precision of power turret 2 transport has been guaranteed, stability improves, be difficult for causing wearing and tearing, life improves.

Further: notches 9 are formed at the four ends of the left side of the turret support 1, Z-axis sliding rails 10 are fixedly arranged between the notches 9 on the upper side and the lower side, two sliding blocks 11 are arranged on the Z-axis sliding rails 10 in a sliding fit manner, a steel plate 5 is fixedly arranged on the four sliding blocks 11 of the two Z-axis sliding rails 10, and the steel plate 5 covers the Z-axis sliding rails 10 and the sliding blocks 11; the stable lift of power turret 2 can be guaranteed in the setting of slider 11 and Z axle slide rail 10, and steel sheet 5 can effectively block the piece that produces when turning and milling combined machining, avoids the piece to enter into the fit clearance department between slider 11 and the Z axle slide rail 10, lets slide rail 10 be difficult for taking place wearing and tearing, and life improves.

Further: a plurality of tool rests 12 which are arranged in a circular array are fixedly arranged on the outer side of the tool changing disc 8, and turning and milling compound tools 13 are fixedly arranged in the tool rests 12; the turning and milling combined machining of the workpiece can be realized by the advance and retreat tool of the turning and milling combined tool 13.

Optionally: the turning and milling composite cutter 13 adopts one or more of a turning tool, a milling tool, a thread cutter, a drill bit, a reaming cutter and a boring cutter; the corresponding turning and milling composite tool 13 can be selected to achieve the corresponding machining effect.

Further: an L-shaped bracket 14 is fixedly arranged at the right end of the right side of the turret bracket 1, a plurality of cutter placing grooves 15 are formed in the L-shaped bracket 14, and the turning and milling composite cutter 13 can be installed in the cutter placing grooves 15 in a clearance fit manner; the storage of the turning and milling composite cutter 13 can be facilitated.

Further: the right side of the power turret 2 is fixedly provided with a tool changing motor 16, the tool changing motor 16 drives the rotating shaft 7 to rotate, and the tool changing motor 16 adopts a stepping motor; the tool changing motor 16 can drive the tool changing disc 8 to rotate by a fixed angle to realize the tool changing operation, so that the tool can be rotated in place after the tool changing, and the machining precision is not affected.

Optionally: the conveying mechanism 4 adopts any one of a screw rod sliding block mechanism, an electric push rod, an air cylinder, a hydraulic cylinder and an oil hydraulic cylinder; the device has higher conveying precision, ensures the distance control when the power turret 2 is lifted, and realizes full-automatic turning and milling combined machining.

Optionally: the left side surface of the power turret 2 is provided with a steel plate slot 17, the steel plate 5 is arranged in the steel plate slot 17 in a clearance fit manner, the front edge and the rear edge of the left side surface of the power turret 2 are fixedly provided with pressing plates 18, and the pressing plates 18 are arranged to cover the edges of the steel plate 5; the steel plate 5 is more stably installed, and scraps generated during turning and milling can be effectively blocked.

Optionally: the front side and the rear side of the steel plate 5 are inwards bent, convex edges 19 are formed at the left edges of the front side and the rear side of the turret support 1, and the front side and the rear side of the steel plate 5 are correspondingly coated on the outer sides of the convex edges 19 one by one; the steel plate 5 is more stable to install, and scraps can be effectively blocked during lifting movement and turning and milling.

The present embodiment is not limited in any way by the shape, material, structure, etc. of the present utility model, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model are all included in the scope of protection of the technical solution of the present utility model.

Claims

1. A tool changing mechanism for a numerical control lathe comprises a turret support and a power turret;

the method is characterized in that: a frame-shaped mounting position is formed in the cutter tower support, the left side and the right side of the frame-shaped mounting position are respectively provided with a cutter tower support, the power cutter towers are installed in the frame-shaped mounting position in a clearance fit manner, a conveying mechanism is fixedly installed on the upper side of the cutter tower support, and the conveying mechanism controls the power cutter towers to move up and down in the frame-shaped mounting position;

2. A tool changing mechanism for a numerically controlled lathe as in claim 1, wherein: the four ends of the left side of the tool turret support are provided with notches, a Z-axis sliding rail is fixedly arranged between the notches on the upper side and the lower side, two sliding blocks are arranged on the Z-axis sliding rail in a sliding fit mode, a steel plate is fixedly arranged on the four sliding blocks of the two Z-axis sliding rails, and the steel plate covers the Z-axis sliding rail and the sliding block.

3. A tool changing mechanism for a numerically controlled lathe as in claim 1, wherein: the outer side of the cutter changing disc is fixedly provided with a plurality of cutter holders which are arranged in a circular array, and turning and milling compound cutters are fixedly arranged in the cutter holders.

4. A tool changing mechanism for a numerically controlled lathe as in claim 3, wherein: the turning and milling composite cutter adopts one or more of a turning tool, a milling cutter, a thread cutter, a drill bit, a reaming cutter and a boring cutter.

5. A tool changing mechanism for a numerically controlled lathe according to any one of claims 3 or 4, wherein: the right end of the right side of the turret support is fixedly provided with an L-shaped support, a plurality of cutter placing grooves are formed in the L-shaped support, and the turning and milling composite cutter can be installed in the cutter placing grooves in a clearance fit mode.

6. A tool changing mechanism for a numerically controlled lathe as in claim 1, wherein: the right side of the power turret is fixedly provided with a tool changing motor, the tool changing motor drives a rotating shaft to rotate, and the tool changing motor adopts a stepping motor.

7. A tool changing mechanism for a numerically controlled lathe as in claim 1, wherein: the conveying mechanism adopts any one of a screw rod sliding block mechanism, an electric push rod, an air cylinder, a hydraulic cylinder and an oil hydraulic cylinder.

8. A tool changing mechanism for a numerically controlled lathe as in claim 1, wherein: the left side surface shaping of power sword tower has the steel sheet fluting, and steel sheet clearance fit installs in the steel sheet fluting, and the equal fixed mounting of front and back both sides edge department of power sword tower left side surface, and the clamp plate covers the border setting of steel sheet.

9. A tool changing mechanism for a numerically controlled lathe as in claim 1, wherein: the front and back sides of the steel plate are inwards bent, the left edges of the front and back sides of the turret support are provided with convex edges, and the front and back edges of the steel plate are correspondingly coated on the outer sides of the convex edges one by one.