CN216325426U - Transmission device for workbench of numerical control milling machine - Google Patents

Abstract

The utility model discloses a transmission device for a workbench of a numerical control milling machine, which comprises a local shell of a machine tool and a long shaft, wherein the end part of the long shaft is rotationally connected with the local shell of the machine tool, the right side of the local shell of the machine tool is provided with a differential structure, the differential structure comprises a conical cylinder, a spring, a round wheel, a second hydraulic cylinder, a second motor, a U-shaped plate, a gear set and a short shaft, and the outer end of an output shaft of the second motor is rotationally connected with the input end of the gear set through a belt and a belt pulley. This numerically controlled fraise machine workstation transmission, through the second motor, the second hydraulic stem, the cooperation between round wheel and the awl cylinder, the second motor passes through the gear train and drives the round wheel rotation, the round wheel rotates and drives the awl cylinder and rotate, the awl cylinder rotates and drives the major axis through the minor axis and rotates, the major axis rotates just drive workstation and removes, control second hydraulic stem stretches out and drives the U template rotation, the awl cylinder diameter size of round wheel contact also can change, the problem of the adjustment of being not convenient for of main shaft rotational speed has been solved.

Description

Transmission device for workbench of numerical control milling machine

Technical Field

The utility model relates to the technical field of transmission, in particular to a transmission device for a workbench of a numerical control milling machine.

Background

A numerically controlled milling machine is a machine tool which is widely used, and on the milling machine, a flat surface (horizontal surface, vertical surface), a groove, a tooth-dividing part, a spiral surface, and various curved surfaces can be machined, and further, the machine tool can be used for machining a surface of a revolving body, an inner hole, cutting work, and the like. When the milling machine works, a workpiece is arranged on a workbench or an accessory such as an indexing head, the milling cutter rotates into main motion, and the workpiece can obtain a required processing surface by assisting the feeding motion of the workbench or the milling head, although the transmission device of the workbench of the existing numerical control milling machine can meet part of working requirements.

But the transmission device of the numerical control milling machine workbench has the problems that the rotating speed of the main shaft of the existing transmission device is inconvenient to adjust, the rotating process of the clamp body is inconvenient and the collection of scraps in the machining process is inconvenient.

Disclosure of Invention

The utility model aims to provide a transmission device for a workbench of a numerical control milling machine, which aims to solve the problem that the rotating speed of a main shaft is inconvenient to adjust in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a transmission device for a workbench of a numerical control milling machine comprises a local shell of the machine tool and a long shaft, wherein the end part of the long shaft is rotatably connected with the local shell of the machine tool through a differential structure;

the differential structure comprises a conical cylinder, a spring, a round wheel, a second hydraulic cylinder, a second motor, a U-shaped plate, a gear set and a short shaft;

the output shaft outer end of second motor is connected with the input rotation of gear train through belt and belt pulley, the output and the round wheel of gear train rotate to be connected, the output shaft of gear train rotates with the middle part of U template to be connected, the recess of U template and the lug sliding connection of second hydraulic cylinder output, the square plate of U template and the input shaft rotating connection of gear train, the outer wall and the awl cylinder of round wheel closely laminate, the both ends of spring respectively with the riser fixed connection of awl cylinder and the local casing of lathe, the right side fixed connection of awl cylinder and minor axis, the local casing fixed connection of outer wall lathe of second motor, the upper end and the local casing fixed connection of lathe of second hydraulic cylinder, the left bead of minor axis and the recess sliding connection of major axis.

Preferably, the upper end face of the local shell of the machine tool is fixedly connected with an I-shaped steel, and the outer wall of the I-shaped steel is connected with the workbench in a sliding mode.

Preferably, the upper end face of the local shell of the machine tool is fixedly connected with the I-shaped steel, the lower end of the workbench is in threaded connection with the long shaft, and the upper end of the workbench is fixedly connected with the protection plate.

Preferably, the lower end of the local shell of the machine tool is provided with a chip suction device;

the scrap suction device comprises a first motor, fan blades, an opening cylinder, a scrap storage box and a separation net;

the outer wall of opening drum and the bent plate fixed connection of workstation, the inside and the first motor fixed connection of opening drum, the output shaft outer end and the flabellum fixed connection of first motor, the top of flabellum is provided with separates the net, the edge that separates the net and opening drum fixed connection, the outer wall of opening drum and a plurality of mouth of pipe intercommunication of depositing the bits case.

Preferably, a rotating structure is installed inside the protection plate;

the rotating structure comprises a first hydraulic cylinder, a connecting rod, a rack, a gear and a pin shaft;

the outer wall of the first hydraulic cylinder is fixedly connected with the protection plate, two ends of the connecting rod are respectively connected with the hydraulic rod of the first hydraulic cylinder and the rack in a rotating mode, the lower end of the rack is connected with the workbench in a sliding mode, the rack is meshed with the lower end of the gear, two ends of the pin shaft are connected with the supporting seat of the workbench in a rotating mode, and the outer wall of the pin shaft is respectively fixedly connected with the pin shaft seat and the gear of the clamp body.

Compared with the prior art, the utility model has the beneficial effects that: according to the transmission device for the numerical control milling machine workbench, through the cooperation of the second motor, the second hydraulic rod, the circular wheel and the cone cylinder, the second motor drives the circular wheel to rotate through the gear set, the circular wheel rotates to drive the cone cylinder to rotate, the cone cylinder rotates to drive the long shaft to rotate through the short shaft, the long shaft rotates to drive the workbench to move, the second hydraulic rod is controlled to extend out to drive the U-shaped plate to rotate, the contact position of the circular wheel and the cone cylinder is changed, the diameter size of the cone cylinder in contact with the circular wheel is changed, different rotating speeds of the main shaft are achieved, and the problem that the rotating speed of the main shaft is inconvenient to adjust is solved;

the hydraulic rod of the first hydraulic cylinder is controlled to stretch and retract through the matching among the rack, the first hydraulic cylinder, the connecting rod, the gear and the clamp body, the rack is driven to move by the hydraulic rod stretching and retracting through the connecting rod, the rack moves to drive the gear to rotate, and the clamp body rotates at a certain angle, so that the problem that the clamp body is inconvenient to rotate is solved;

through first motor, flabellum, opening drum and the cooperation between separating the net, first motor rotates and drives the flabellum and rotate, and the flabellum rotates inside can adsorbing the opening drum through suction to the piece that falls in the transmission, owing to the separation that separates the net at the adsorption process, the piece can flow to deposit the bits incasement through the slope of opening drum, has solved the inconvenient problem of garrulous bits collection in the course of working.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connection structure of a long shaft, a workbench and an I-shaped steel in FIG. 1;

FIG. 3 is a schematic view of the connection structure of the gear set, the circular wheel and the U-shaped plate in FIG. 2;

fig. 4 is a schematic view of a connection structure of the first motor, the fan blades and the open cylinder in fig. 2.

In the figure: 1. the machine tool comprises a machine tool partial shell, 2, a long shaft, 3, a chip suction device, 301, a first motor, 302, fan blades, 303, an open cylinder, 304, a chip storage box, 305, a separation net, 4, I-shaped steel, 5, a rotating structure, 501, a first hydraulic cylinder, 502, a connecting rod, 503, a rack, 504, a gear, 504, a pin shaft, 6, a workbench, 7, a differential structure, 701, a cone cylinder, 702, a spring, 703, a round wheel, 704, a second hydraulic cylinder, 705, a second motor, 706, a U-shaped plate, 707, a gear set, 708, a short shaft, 8, a protection plate, 9 and a clamp body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a transmission device for a numerical control milling machine workbench comprises a machine tool local shell 1 and a long shaft 2, wherein the end part of the long shaft 2 is rotatably connected with the machine tool local shell 1, a differential structure 7 is arranged on the right side of the machine tool local shell 1, the differential structure 7 comprises a cone cylinder 701, a spring 702, a round wheel 703, a second hydraulic cylinder 704, a second motor 705, a U-shaped plate 706, a gear set 707 and a short shaft 708, the outer end of the output shaft of the second motor 705 is rotatably connected with the input end of the gear set 707 through a belt and a belt pulley, the second motor 705 can drive the input end of the gear set 707 to rotate, the output end of the gear set 707 is rotatably connected with the round wheel 703, the output end of the gear set 707 can rotate together with the round wheel 703, the output shaft of the gear set 707 is rotatably connected with the middle part of the U-shaped plate 706, a groove of the U-shaped plate 706 is slidably connected with a lug at the output end of the second hydraulic cylinder 704, and the output end of the second hydraulic cylinder stretches out and draws back to drive the U-shaped plate 706 to rotate, the square plate of the U-shaped plate 706 is rotatably connected with an input shaft of a gear set 707, the U-shaped plate 706 can rotate on the input shaft of the gear set 707, the outer wall of a round wheel 703 is tightly attached to a conical cylinder 701, friction force between the round wheel 703 and the conical cylinder 701 is kept, two ends of a spring 702 are fixedly connected with the conical cylinder 701 and a vertical plate of a local machine tool shell 1 respectively, the conical cylinder 701 stretches the spring 702 when moving, the conical cylinder 701 is fixedly connected with the right side of a short shaft 708, the outer wall of a second motor 705 is fixedly connected with the local machine tool shell 1, the upper end of a second hydraulic cylinder 704 is fixedly connected with the local machine tool shell 1, a convex edge on the left side of the short shaft 708 is slidably connected with a groove of a long shaft 2, the short shaft 708 can rotate together with the long shaft 2, the upper end surface of the local machine tool shell 1 is fixedly connected with an I-steel 4, the outer wall of the I-steel 4 is slidably connected with a workbench 6, and the workbench 6 can move on the local machine tool shell 1, the lower extreme and the major axis 2 threaded connection of workstation 6, major axis 2 rotate drive workstation 6 and remove, the upper end and the protection shield 8 fixed connection of workstation 6, and protection shield 8 prevents to jump the bits, and the user can satisfy the model that the work demand selected first motor 301 and second motor 705 according to actual conditions.

The lower end of the machine tool local shell 1 is provided with the chip suction device 3, the chip suction device 3 comprises a first motor 301, a fan blade 302, an opening cylinder 303, a chip storage box 304 and a separation net 305, the outer wall of the opening cylinder 303 is fixedly connected with a bent plate of a workbench 6, the opening cylinder 303 can move together with the workbench 6, the inside of the opening cylinder 303 is fixedly connected with the first motor 301, the outer end of an output shaft of the first motor 301 is fixedly connected with the fan blade 302, the first motor 301 drives the fan blade 302 to rotate, the suction force generated when the fan blade 302 rotates is used for flushing an opening of the opening cylinder 303, the separation net 305 is arranged above the fan blade 302, the edge of the separation net 305 is fixedly connected with the opening cylinder 303, the separation net 305 prevents large chips from passing through, the outer wall of the opening cylinder 303 is communicated with a plurality of pipe orifices of the chip storage box 304, the opening cylinder 303 is arranged according to a certain angle, and the chips can flow to the chip storage box 304.

The interior of the protection plate 8 is provided with a rotating structure 5, the rotating structure 5 comprises a first hydraulic cylinder 501 and a connecting rod 502, rack 503, gear 504 and round pin axle 505, the outer wall of first pneumatic cylinder 501 and protection shield 8 fixed connection, the both ends of connecting rod 502 rotate with the hydraulic stem of first pneumatic cylinder 501 and rack 503 respectively and are connected, the hydraulic stem of first pneumatic cylinder 501 can contract and drive rack 503 to remove, the lower extreme and the workstation 6 sliding connection of rack 503, rack 503 can slide on workstation 6, rack 503 meshes with the lower extreme of gear 504 mutually, rack 503 removes drive gear 504 and rotates, the both ends of round pin axle 505 rotate with the supporting seat of workstation 6 and be connected, round pin axle 505 can rotate on workstation 6, the outer wall of round pin axle 505 respectively with the pin axle seat and the gear 504 fixed connection of anchor clamps body 9, gear 504 can rotate with anchor clamps body 9 together, the user can satisfy the work demand according to actual conditions and select the model of first pneumatic cylinder 501 and second pneumatic cylinder 704.

When the transmission device is used, firstly, a workpiece to be processed is clamped on the clamp body 9, if the workpiece to be processed needs to rotate at a certain angle, the hydraulic rod of the first hydraulic cylinder 501 can be controlled to stretch, the hydraulic rod stretches out and draws back to drive the rack 503 to move through the connecting rod 502, the rack 503 moves to drive the gear 504 to rotate, then the clamp body 9 rotates at a certain angle, the hydraulic rod of the first hydraulic cylinder 501 stops stretching and drawing back when the required angle is reached, then the second motor 705 is started, the second motor 705 drives the circular wheel 703 to rotate through the gear set 707, the circular wheel 703 rotates to drive the conical cylinder 701 to rotate, the conical cylinder 701 rotates to drive the long shaft 2 to rotate through the short shaft, the long shaft 2 rotates to drive the workbench 6 to move, secondly, stepless speed change can be carried out in the moving process of the workbench 6, only the hydraulic rod of the second hydraulic cylinder 704 needs to be controlled to stretch out to drive the U-shaped plate 706 to rotate, and then the contact position of the circular wheel 703 and the conical cylinder 701 changes, the diameter size of the cone cylinder 701 that the circular wheel 703 contacts also can change, alright in order to make major axis 2 present different rotational speeds, start first motor 301 before processing at last, first motor 301 rotates and drives flabellum 302 and rotate, flabellum 302 rotates and can adsorb the piece that falls into in the transmission inside opening drum 303 through the air current, owing to the separation that separates net 305 in the adsorption process, the piece can flow to depositing in the bits case 304 through the slope of opening drum 303, reduce the influence that the piece forwarded to the main shaft.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a numerically controlled fraise machine workstation transmission, includes local casing of lathe (1) and major axis (2), the tip and the local casing of lathe (1) of major axis (2) rotate to be connected its characterized in that: a differential structure (7) is arranged on the right side of the machine tool local shell (1);

the differential structure (7) comprises a conical cylinder (701), a spring (702), a round wheel (703), a second hydraulic cylinder (704), a second motor (705), a U-shaped plate (706), a gear set (707) and a short shaft (708);

the outer end of an output shaft of the second motor (705) is rotatably connected with an input end of a gear set (707) through a belt and a belt pulley, an output end of the gear set (707) is rotatably connected with a round wheel (703), an output shaft of the gear set (707) is rotatably connected with the middle part of a U-shaped plate (706), a groove of the U-shaped plate (706) is slidably connected with a convex block at an output end of a second hydraulic cylinder (704), a square plate of the U-shaped plate (706) is rotatably connected with an input shaft of the gear set (707), the outer wall of the round wheel (703) is tightly attached to a conical cylinder (701), two ends of a spring (702) are respectively fixedly connected with the conical cylinder (701) and a vertical plate of a machine tool partial shell (1), the conical cylinder (701) is fixedly connected with the right side of a short shaft (708), the outer wall of the second motor (705) is fixedly connected with the machine tool partial shell (1), and the upper end of the second hydraulic cylinder (704) is fixedly connected with the machine tool partial shell (1), the convex edge on the left side of the short shaft (708) is connected with the groove of the long shaft (2) in a sliding way.

2. A numerically controlled milling machine table drive as claimed in claim 1, wherein: the upper end face of the machine tool local shell (1) is fixedly connected with the I-shaped steel (4), and the outer wall of the I-shaped steel (4) is connected with the workbench (6) in a sliding mode.

3. A numerically controlled milling machine table drive as claimed in claim 1, wherein: the lower end of the workbench (6) is in threaded connection with the long shaft (2), and the upper end of the workbench (6) is fixedly connected with the protection plate (8).

4. A numerically controlled milling machine table drive as claimed in claim 1, wherein: the lower end of the machine tool local shell (1) is provided with a chip suction device (3);

the scrap suction device (3) comprises a first motor (301), fan blades (302), an opening cylinder (303), a scrap storage box (304) and a separation net (305);

the outer wall of opening drum (303) and the bent plate fixed connection of workstation (6), the inside and first motor (301) fixed connection of opening drum (303), the output shaft outer end and flabellum (302) fixed connection of first motor (301), the top of flabellum (302) is provided with separates net (305), the edge and the opening drum (303) fixed connection that separate net (305), the outer wall of opening drum (303) and a plurality of mouth of pipe intercommunication of depositing bits case (304).

5. A numerically controlled milling machine table drive as claimed in claim 3, wherein: a rotating structure (5) is arranged in the protection plate (8);

the rotating structure (5) comprises a first hydraulic cylinder (501), a connecting rod (502), a rack (503), a gear (504) and a pin shaft (505);

the outer wall of the first hydraulic cylinder (501) is fixedly connected with the protection plate (8), two ends of the connecting rod (502) are respectively rotatably connected with a hydraulic rod of the first hydraulic cylinder (501) and a rack (503), the lower end of the rack (503) is slidably connected with the workbench (6), the rack (503) is meshed with the lower end of the gear (504), two ends of the pin shaft (505) are rotatably connected with a supporting seat of the workbench (6), and the outer wall of the pin shaft (505) is respectively fixedly connected with a pin shaft seat of the clamp body (9) and the gear (504).

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