CN216178509U

CN216178509U - Turntable for precision machining machine tool

Info

Publication number: CN216178509U
Application number: CN202122246213.0U
Authority: CN
Inventors: 蔺康兴
Original assignee: Jiangsu Bogu Intelligent Technology Co ltd
Current assignee: Jiangsu Bogu Intelligent Technology Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-04-05
Anticipated expiration: 2031-09-16

Abstract

The utility model discloses a rotary table for a precision machining machine tool, which comprises a rotary table, wherein the bottom wall of the rotary table is rotatably connected with a supporting rod, the rotary table is provided with a plurality of rotary grooves, a transmission threaded rod is rotatably connected in each rotary groove, a driving motor is arranged in the rotary table, the transmission threaded rod is connected with the driving motor through a transmission mechanism, moving blocks are arranged above the rotary grooves, the moving blocks are connected with the transmission threaded rod through a connecting mechanism, and a double-sided clamp is rotatably connected above the moving blocks. According to the utility model, by arranging the double-sided clamp, the dragging block, the inserting rod and the spring, the spring can be used for extruding the inserting rod to realize the fixed connection of the double-sided clamp and the moving block, the dragging block is used for dragging the inserting rod to release the fixation of the double-sided clamp and the moving block, and then the double-sided clamp and the moving block can rotate, so that the double-sided clamp can be quickly adapted to parts with various shapes, the phenomena of thread slipping and complex disassembly and assembly caused by the use of a bolt fixing device are avoided, and the convenience of the device is improved.

Description

Turntable for precision machining machine tool

Technical Field

The utility model relates to the technical field of machine tools, in particular to a rotary table for a precision machining machine tool.

Background

Machine tools are used for manufacturing machines, but parts with high precision requirements and fine surface roughness requirements are generally machined by cutting on the machine tool.

Lathe is in processing to the part, it uses to need collocation revolving stage, the revolving stage mainly plays places and fixed action, among the prior art, set up on the revolving stage and be used for the anchor clamps of centre gripping fixed part, because the part appearance is equipped with arc and square anchor clamps often, generally all use bolt mode with anchor clamps and revolving stage surface connection, need dismantle the bolt when needing to change different grade type anchor clamps, frequent dismantlement bolt can cause the injury to the bolt, lead to smooth silk phenomenon to take place, a plurality of anchor clamps need a large amount of bolts to realize fixedly simultaneously, the not hard up of a large amount of bolts also need consume the plenty of time with screwing up again, the convenience is very poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a turntable for a precision machining machine tool.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a rotary table for a precision finishing machine tool comprises a rotary table, wherein a supporting rod is rotatably connected to the bottom wall of the rotary table, a plurality of rotary grooves are formed in the rotary table, a transmission threaded rod is rotatably connected to the interior of each rotary groove, a driving motor is arranged in the rotary table and connected with the transmission threaded rod through a transmission mechanism, moving blocks are arranged above the rotary grooves and connected with the transmission threaded rod through a connecting mechanism, a double-faced fixture is rotatably connected to the upper side of each moving block, two symmetrically-arranged extrusion grooves are formed in the bottom wall of the double-faced fixture, inserting rods are arranged in the extrusion grooves, inserting holes matched with the inserting rods are formed in the upper end faces of the moving blocks, dragging blocks connected with the inserting rods are arranged above the double-faced fixture, the inserting rods are connected with the extrusion grooves through elastic mechanisms, grooves are formed in the upper end faces of the rotary table, and placing tables are arranged in the grooves, the placing table is connected with the transmission threaded rod through a rotating mechanism.

Preferably, the transmission mechanism comprises a transmission gear fixed at the end part of the output shaft of the driving motor, the side wall of the rotary table is provided with an opening matched with the transmission gear, the outer wall of the rotary table is rotatably connected with a gear ring, a first bevel gear is fixed at the end part of the transmission threaded rod, and the gear ring is meshed with the transmission gear and the first bevel gear.

Preferably, the connecting mechanism comprises a nut in threaded connection with the outer wall of the transmission threaded rod, and the bottom wall of the moving block is fixedly connected with the outer wall of the nut.

Preferably, the elastic mechanism comprises a fixed sleeve fixed on the outer wall of the inserted rod, and a spring is elastically connected between the fixed sleeve and the upper inner wall of the extrusion groove.

Preferably, the rotating mechanism comprises a lifting threaded rod connected with the placing table in a threaded manner, the bottom wall of the lifting threaded rod is rotatably connected with the bottom wall of the groove, a second bevel gear is fixed on the outer wall of the lifting threaded rod, the end of the transmission threaded rod extends into the groove, and a third bevel gear meshed with the second bevel gear is fixed on the end of the transmission threaded rod.

Preferably, the side wall of the placing table is fixed with a limiting block, and the inner wall of the groove is provided with a limiting groove matched with the limiting block.

The utility model has the beneficial effects that:

1. through setting up double-sided anchor clamps, dragging the piece, inserted bar and spring, can utilize the spring extrusion inserted bar to realize the fixed connection of double-sided anchor clamps and movable block, utilize to drag the piece and drag the fixed that double-sided anchor clamps and movable block can be relieved to the inserted bar, can it rotate afterwards, can adapt to the part of multiple appearance fast, avoid using bolt class fixing device to take place smooth silk and dismantle the installation loaded down with trivial details, improved the convenience of device.

2. Through setting up second conical gear, lifting threaded rod and recess, when polylith movable block drives the removal along with drive threaded rod, can utilize the third conical gear of drive threaded rod tip to drive second conical gear and rotate to realize utilizing lifting threaded rod to drive and place the platform and go up and down in the recess, with polylith movable block double faced fixture synchronous operation, place the platform and can be in inside the recess when equipment does not use, can rise from the recess when double faced fixture realizes clamping function, improve device mechanization degree and practicality with it.

Drawings

FIG. 1 is a schematic top view of a turntable for a precision machining tool according to the present invention;

FIG. 2 is a schematic perspective view of a placing table of a turntable for a precision machining tool according to the present invention;

fig. 3 is a schematic structural diagram of an elastic mechanism of a turntable for a precision machining tool according to the present invention.

In the figure: 1 turntable, 2 gear rings, 3 transmission gears, 4 grooves, 5 placing tables, 6 moving blocks, 7 rotating grooves, 8 first bevel gears, 9 double-sided clamps, 10 dragging blocks, 11 lifting threaded rods, 12 second bevel gears, 13 extruding grooves, 14 inserting rods, 15 fixing sleeves and 16 springs.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a revolving stage for precision finishing machine, including revolving

stage

1, 1 diapire of revolving stage rotates and is connected with the bracing piece, be equipped with a plurality of rotary troughs 7 on the revolving stage 1, all rotate in a plurality of rotary troughs 7 and be connected with the transmission threaded rod, 1 inside driving motor that is equipped with of revolving stage, the transmission threaded rod passes through drive mechanism and is connected with driving motor, drive mechanism is including being fixed in drive gear 3 of driving motor output shaft tip, 1 lateral wall of revolving stage is equipped with the opening with drive gear 3 complex, 1 outer wall of revolving stage rotates and is connected with ring gear 2, the transmission threaded rod end fixing has first conical gear 8, ring gear 2 meshes with drive gear 3 and first conical gear 8, start driving motor and drive gear 3 and rotate, drive gear 3 rotates and can drive ring gear 2 and rotate, ring gear 2 can drive 8 rotations rather than the meshing.

All be equipped with movable block 6 above a plurality of rotary slots 7, movable block 6 passes through coupling mechanism and is connected with the drive threaded rod, and coupling mechanism includes the nut of threaded connection in the drive threaded rod outer wall, and 6 diapalls of movable block and nut outer wall fixed connection, first conical gear 8 can drive the drive threaded rod and rotate, and the nut of its outer wall can drive movable block 6 and remove in 1 top of revolving stage when the drive threaded rod rotates.

The double-faced clamp is characterized in that a double-faced clamp 9 is rotatably connected above the moving block 6, two extrusion grooves 13 symmetrically arranged are formed in the bottom wall of the double-faced clamp 9, an inserting rod 14 is arranged in each extrusion groove 13, a jack matched with the inserting rod 14 is formed in the upper end face of the moving block 6, a dragging block 10 connected with the inserting rod 14 is arranged above the double-faced clamp 9, the inserting rod 14 is connected with the extrusion grooves 13 through an elastic mechanism, the elastic mechanism comprises a fixed sleeve 15 fixed on the outer wall of the inserting rod 14, a spring 16 is elastically connected between the upper inner wall of the fixed sleeve 15 and the upper inner wall of the extrusion groove 13, the inserting rod 14 is lifted and transferred by utilizing the two dragging blocks 10, after the end portion of the inserting rod 14 is separated from the moving block 6, the double-faced clamp 9 is rotated by 180 degrees, the dragging block 10 is loosened, the inserting rod 14 is driven by the fixed sleeve 15 to be re-inserted into the moving block 6 under the elastic action of the spring 16, and fixed connection of the double-faced clamp 9 and the moving block 6 is completed.

The upper end face of the rotary table 1 is provided with a groove 4, a placing table 5 is arranged in the groove 4, the placing table 5 is connected with a transmission threaded rod through a rotating mechanism, the rotating mechanism comprises a lifting threaded rod 11 connected with the placing table 5 through threads, the bottom wall of the lifting threaded rod 11 is rotationally connected with the inner bottom wall of the groove 4, a second bevel gear 12 is fixed on the outer wall of the lifting threaded rod 11, the end part of the transmission threaded rod extends into the groove 4, a third bevel gear meshed with the second bevel gear 12 is fixed on the end part of the transmission threaded rod, a limiting block is fixed on the side wall of the placing table 5, a limiting groove matched with the limiting block is arranged on the inner wall of the groove 4, the transmission threaded rod drives the second bevel gear 12 to rotate through the third bevel gear, the second bevel gear 12 can drive the lifting threaded rod 11 to rotate, the placing table 5 connected with the lifting threaded rod 11 through threads is limited by the limiting block and the limiting groove when the lifting threaded rod 11 rotates, can only rise in the recess 4, when placing the platform 5 and rise to a take the altitude, polylith movable block 6 just drives double-sided anchor clamps 9 and realizes the centre gripping of fixing the part.

When the utility model is used, the lower placing table 5 is positioned in the groove 4 in an initial state, when a part needs to be clamped for processing, the part is placed on the placing table 5, then the driving motor is started to drive the transmission gear 3 to rotate, the transmission gear 3 can drive the gear ring 2 to rotate, the gear ring 2 can drive the first bevel gear 8 meshed with the gear ring to rotate, the first bevel gear 8 can drive the transmission threaded rod to rotate, the nut on the outer wall of the transmission threaded rod can drive the moving block 6 to move above the turntable 1 when the transmission threaded rod rotates (the moving block 6 can slide in a fit manner with the upper end surface of the turntable 1, the nut and the transmission threaded rod can be prevented from rotating together), the transmission threaded rods drive the second bevel gear 12 to rotate through the third bevel gear while the transmission threaded rods 6 are close to each other, the second bevel gear 12 can drive the lifting threaded rod 11 to rotate, the placing table 5 in threaded connection with the lifting threaded rod 11 is limited by the limiting block and the limiting groove when the lifting threaded rod 11 rotates, the part clamping device can only ascend in the groove 4, and when the placing table 5 ascends to a certain height, the moving blocks 6 just drive the double-sided clamp 9 to clamp and fix the part;

when the shape of the part is changed into a square shape from an arc shape, the double-sided clamp 9 needs to be adjusted in a rotating mode, the inserting rod 14 is lifted by the two dragging blocks 10, after the end portion of the inserting rod 14 is separated from the moving block 6, the double-sided clamp 9 is rotated by 180 degrees, the dragging blocks 10 are loosened, the inserting rod 14 is driven by the fixing sleeve 15 to be inserted into the moving block 6 again under the elastic force action of the spring 16, and the fixed connection of the double-sided clamp 9 and the moving block 6 is completed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A rotary table for a precision finishing machine tool comprises a rotary table (1) and is characterized in that a supporting rod is rotatably connected to the bottom wall of the rotary table (1), a plurality of rotary grooves (7) are formed in the rotary table (1), a transmission threaded rod is rotatably connected in the rotary grooves (7), a driving motor is arranged inside the rotary table (1), the transmission threaded rod is connected with the driving motor through a transmission mechanism, a moving block (6) is arranged above the rotary grooves (7), the moving block (6) is connected with the transmission threaded rod through a connection mechanism, a double-faced fixture (9) is rotatably connected above the moving block (6), two symmetrically-arranged extrusion grooves (13) are formed in the bottom wall of the double-faced fixture (9), inserting rods (14) are arranged in the extrusion grooves (13), and inserting holes matched with the inserting rods (14) are formed in the upper end face of the moving block (6), two-sided anchor clamps (9) top is equipped with pulls piece (10) of being connected with inserted bar (14), inserted bar (14) are connected with extrusion groove (13) through elastic mechanism, revolving stage (1) up end is equipped with recess (4), be equipped with in recess (4) and place platform (5), it is connected with the transmission threaded rod through slewing mechanism to place platform (5).

2. The rotary table for the precision finishing machine tool according to claim 1, wherein the transmission mechanism comprises a transmission gear (3) fixed at the end of an output shaft of the driving motor, the side wall of the rotary table (1) is provided with an opening matched with the transmission gear (3), the outer wall of the rotary table (1) is rotatably connected with a gear ring (2), the end of the transmission threaded rod is fixed with a first bevel gear (8), and the gear ring (2) is meshed with the transmission gear (3) and the first bevel gear (8).

3. The rotary table for the precision finishing machine tool as claimed in claim 1, wherein the connecting mechanism comprises a nut which is in threaded connection with the outer wall of the transmission threaded rod, and the bottom wall of the moving block (6) is fixedly connected with the outer wall of the nut.

4. The turret for a precision machining tool according to claim 1, characterized in that the elastic means comprises a holding sleeve (15) fixed to the outer wall of the insert rod (14), and a spring (16) is elastically connected between the holding sleeve (15) and the upper inner wall of the pressing groove (13).

5. The rotary table for the precision finishing machine tool according to claim 1, wherein the rotating mechanism comprises a lifting threaded rod (11) which is in threaded connection with the placing table (5), the bottom wall of the lifting threaded rod (11) is in rotational connection with the inner bottom wall of the groove (4), a second bevel gear (12) is fixed on the outer wall of the lifting threaded rod (11), the end of the transmission threaded rod extends into the groove (4), and a third bevel gear which is meshed with the second bevel gear (12) is fixed on the end of the transmission threaded rod.

6. The turntable for the precision finishing machine tool according to claim 5, wherein a limiting block is fixed on the side wall of the placing table (5), and a limiting groove matched with the limiting block is arranged on the inner wall of the groove (4).