CN220073975U

CN220073975U - Turntable for machine tool

Info

Publication number: CN220073975U
Application number: CN202321458348.6U
Authority: CN
Inventors: 张刚
Original assignee: Huangshi Jinghong Machinery Manufacturing Co ltd
Current assignee: Huangshi Jinghong Machinery Manufacturing Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-11-24
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses a turntable for a machine tool, which comprises a platen, a workbench connected with the top of the platen, a clamping part used for fixing a workpiece and a rotating part used for driving the workpiece to rotate, wherein the clamping part comprises a support frame fixedly connected with two sides of the top of the platen, a first screw rod connected with the support frame, a moving block connected with the outer side of the first screw rod, a first motor connected with one end of the first screw rod, a connecting rod fixedly connected with one side of the moving block and a clamping plate fixedly connected with one end of the connecting rod.

Description

Turntable for machine tool

Technical Field

The utility model relates to the technical field of machine tool turntables, in particular to a turntable for a machine tool.

Background

The machine tool is a machine for manufacturing machines and machines, and plays a great role in modern construction of national economy, and the machine tool turntable is a mechanical table capable of rotating around a vertical axis, and when a workpiece is processed, the workpiece is placed on the turntable, and since the turntable is rotated, the workpiece needs to be fixed on the turntable.

The prior patent CN216029339U discloses a turntable for a machine tool, which comprises a driving assembly, a bedplate and a clamping assembly, wherein the bedplate is rotatably installed on the driving assembly, the clamping assembly is uniformly and fixedly installed at the edge of the surface of the bedplate, the clamping assembly comprises a frame, a threaded screw rod, a nut sleeve, a connecting rod and a clamping plate, the threaded screw rod is rotatably installed at the top of the inner side of the frame, the nut sleeve is sleeved on the outer wall of the threaded screw rod in a threaded manner, the connecting rod is fixedly installed at one side of the outer wall of the nut sleeve, and the clamping plate is fixedly installed at one end of the connecting rod far away from the nut sleeve; according to the utility model, the threaded screw rod is rotated, so that the nut sleeve moves along the threaded screw rod, and meanwhile, the nut sleeve drives the clamping plate to move through the connecting rod, so that the area enclosed by the clamping plate is adjusted, then, the workpiece to be processed is fixed through the clamping plate, the condition that the workpiece shakes in the processing process is avoided, and the processing precision of the workpiece is improved.

Based on the retrieval of the patent and the discovery of combining the lathe revolving stage among the prior art, the lathe revolving stage is when using, and although can carry out the centre gripping fixed to the work piece, it is when fixed, needs to rotate the screw rod of four directions respectively, and intensity of labour is higher, and work efficiency is lower, and the space that the motor was located is comparatively airtight simultaneously, and the radiating effect is relatively poor, leads to the practicality lower.

Disclosure of Invention

The utility model aims to provide a turntable for a machine tool, which solves the problems that the existing machine tool turntable provided in the background art can clamp and fix a workpiece, but when the existing machine tool turntable is fixed, screws in four directions are required to be respectively rotated, so that the labor intensity is high, the working efficiency is low, meanwhile, the space where a motor is positioned is relatively airtight, the heat dissipation effect is poor, and the practicability is low.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a revolving stage for lathe, includes the platen, the workstation that links to each other with the platen top, be used for carrying out fixed clamping part and be used for driving the pivoted rotating part of work piece to the work piece, the clamping part includes the support frame that is connected with platen top both sides fixed respectively, first screw rod that links to each other with the support frame, the movable block that links to each other with the first screw rod outside, the first motor that links to each other with first screw rod one end, the connecting rod that links to each other with movable block one side fixed connection, the grip block that is connected with connecting rod one end fixed connection, the fixed plate that is connected with grip block one side, the sliding mouth of seting up respectively in the sliding mouth, locate sliding block in the sliding mouth, the locating plate that is connected with sliding block bottom fixed connection, the bi-directional screw rod that links to each other with the sliding block and the second motor that links to each other with bi-directional screw rod one end, first screw rod and movable block spiro union, first screw rod and support frame swivelling joint, bi-directional screw rod and movable block swivelling joint.

Preferably, two limiting grooves are formed in one side of the positioning plate, a push rod is connected in the limiting grooves in a sliding mode, a buffer plate is fixedly connected to one end of the push rod, a spring is sleeved on the outer side of the push rod, and two ends of the spring are fixedly connected with the buffer plate and the positioning plate respectively.

Preferably, the rotating component comprises a rotating shaft connected with the bottom of the workbench, a third motor connected with the bottom of the rotating shaft, a protection box connected with the outer side of the rotating shaft, a plurality of air inlets formed in the outer side of the protection box and arranged circumferentially, fans fixedly connected with two sides in the protection box respectively, and a plurality of heat dissipation holes formed in the top of the protection box and arranged circumferentially, the rotating shaft is rotationally connected with the protection box, and the rotating shaft is rotationally connected with the bedplate.

Preferably, a guide groove is formed in the top of the bedplate, guide blocks are respectively connected to two sides in the guide groove in a sliding manner, and a connecting block is fixedly connected between the guide blocks and the workbench.

Preferably, a rotation stopping groove is formed in the inner bottom of the supporting frame, the top of the moving block is fixedly connected with a rotation stopping block, and the rotation stopping block is in sliding connection with the rotation stopping groove.

Preferably, the sliding block is in an I shape.

Preferably, the connecting rod is L-shaped.

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

1. through setting up platen, workstation, rotary part, support frame, first screw rod, movable block, first motor, connecting rod, grip block, fixed plate, sliding port, sliding block, locating plate, two-way screw rod and second motor, first screw rod can promote the grip block and transversely fix the work piece, and two-way screw rod can drive two locating plates and vertically fix the work piece, improves the fixed effect of location to the work piece, adopts first motor and the mode of second motor drive first screw rod and two-way screw rod respectively simultaneously, need not the manual work and repeatedly twist, can reduce intensity of labour, can improve work efficiency simultaneously, and then can improve the practicality and the high efficiency of device;

2. through setting up pivot, third motor, protection box, air inlet, fan and louvre, the workstation at pivot top can be driven to the third motor rotates, can be convenient for drive the work piece and rotate, is convenient for process the work piece, and the louvre can be convenient for the heat dissipation of third motor, and the fan can blow off the heat in the protection box through the louvre simultaneously, prevents that the temperature is too high in the protection box, leads to the third motor to damage, can improve the radiating effect, further improves the practicality.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a left side view of the present utility model;

FIG. 3 is a perspective cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a front view provided by the present utility model;

FIG. 5 is a perspective cross-sectional view taken at B-B of FIG. 4;

FIG. 6 is an enlarged view at A in FIG. 5;

in the figure: 1. a platen; 11. a work table; 21. a support frame; 22. a first screw; 23. a moving block; 24. a first motor; 25. a connecting rod; 26. a clamping plate; 27. a fixing plate; 28. a sliding port; 29. a sliding block; 30. a positioning plate; 31. a bidirectional screw; 32. a second motor; 41. a rotating shaft; 42. a third motor; 43. a protection box; 44. an air inlet; 45. a fan; 46. a heat radiation hole; 331. a limit groove; 332. a push rod; 333. a buffer plate; 334. a spring; 341. a rotation stopping groove; 342. a rotation stop block; 471. a guide groove; 472. a guide block; 473. and (5) connecting a block.

Detailed Description

Referring to fig. 1-6, the present embodiment is a turntable for a machine tool, comprising a platen 1, a table 11 connected to the top of the platen 1, a clamping member for fixing a workpiece, and a rotating member for driving the workpiece to rotate, the clamping member comprising a support frame 21 fixedly connected to both sides of the top of the platen 1, a first screw 22 connected to the support frame 21, a moving block 23 connected to the outside of the first screw 22, a first motor 24 connected to one end of the first screw 22, a connecting rod 25 fixedly connected to one side of the moving block 23, a clamping plate 26 fixedly connected to one end of the connecting rod 25, a fixing plate 27 fixedly connected to one side of the clamping plate 26, sliding ports 28 respectively opened at both sides of the top of the fixing plate 27, a sliding block 29 provided in the sliding ports 28, a positioning plate 30 fixedly connected to the bottom of the sliding block 29, a bidirectional screw 31 connected to the sliding block 29, and a second motor 32 connected to one end of the bidirectional screw 31, the first screw 22 is in screw connection with the moving block 23, the first screw 22 is in screw connection with the supporting frame 21, the bidirectional screw 31 is in screw connection with the moving block 23, the bidirectional screw 31 is in screw connection with the fixed plate 27, the sliding block 29 is in sliding connection with the sliding port 28, the first motor 24 can drive the first screw 22 to rotate, the moving block 23 drives the connecting rod 25 and the clamping plate 26 to move so as to transversely fix the workpiece, the second motor 32 can drive the bidirectional screw 31 to rotate, the two sliding blocks 29 further drive the two positioning plates 30 to move so as to improve the fixing effect on the workpiece, two limiting grooves 331 are formed in one side of the positioning plate 30, a push rod 332 is in sliding connection with one end of the push rod 332, a buffer plate 333 is fixedly connected with one end of the push rod 332, a spring 334 is sleeved outside the push rod 332, two ends of the spring 334 are respectively fixedly connected with the buffer plate 333 and the positioning plate 30, the spring 334 can cushion the clamping force, can protect the work piece, prevents that the work piece from damaging, and spacing groove 331 can prevent that spring 334 deformation is excessive and damage, guarantees simultaneously to the positional stability of work piece, and the rotation stopping groove 341 has been seted up to the bottom in the support frame 21, and movable block 23 top fixedly connected with keeps off the commentaries on classics piece 342, keeps off the commentaries on classics piece 342 and keeps on classics groove 341 sliding connection, keeps off the commentaries on classics piece 342 and movable block 23 synchronous movement, can prevent that movable block 23 and first screw rod 22 synchronous rotation, guarantees movable block 23 lateral movement's stability.

Referring to fig. 2, the rotating member includes a rotating shaft 41 connected to the bottom of the working table 11, a third motor 42 connected to the bottom of the rotating shaft 41, a protection box 43 connected to the outer side of the rotating shaft 41, a plurality of air inlets 44 formed on the outer side of the protection box 43 and arranged circumferentially, a fan 45 fixedly connected to two sides in the protection box 43, and a plurality of heat dissipation holes 46 formed on the top of the protection box 43, the rotating shaft 41 is rotatably connected to the platen 1, the third motor 42 can drive the working table 11 on the top of the rotating shaft 41 to rotate, so as to facilitate the working rotation, the heat dissipation holes 46 can facilitate the heat dissipation in the protection box 43, the fan 45 can further dissipate the heat in the protection box 43, the heat dissipation effect can be improved, the third motor 42 is prevented from being damaged by heat, the top of the platen 1 is provided with a guide groove 471, two sides in the guide groove 471 are slidably connected to each other, and a connecting block 473 is fixedly connected between the guide block and the working table 11, the rotation of the working table 11 can be stably guided, and the working table 11 is improved.

The working principle of the embodiment is as follows: firstly, a workpiece is placed on a workbench 11, then a first motor 24 is started, the first motor 24 drives a first screw 22 to rotate, the first screw 22 rotates to drive a moving block 23 to move, the moving block 23 moves to drive a connecting rod 25 to move, the connecting rod 25 moves to drive a clamping plate 26 to transversely fix the workpiece, then a second motor 32 is started, the second motor 32 drives a bidirectional screw 31 to rotate, the bidirectional screw 31 rotates to enable two sliding blocks 29 to slide towards the middle, the sliding blocks 29 slide to drive a positioning plate 30 to move, the positioning plate 30 moves to enable a buffer plate 333 to be in contact with the workpiece, along with the movement of the positioning plate 30, a spring 334 deforms, and meanwhile, a reaction force is generated to push the buffer plate 333 to longitudinally position and fix the workpiece, meanwhile, the workpiece can be protected, then a third motor 42 is started, the third motor 42 can drive the workbench 11 at the top of a rotating shaft 41 to rotate, the workpiece can be conveniently driven to process the workpiece, then a fan 45 can be started, heat in the protection box 43 can be blown out through a heat dissipation hole 46, the temperature in the protection box 43 can be lowered, and the third motor 42 can be prevented from being damaged due to overheat.

Claims

1. The utility model provides a revolving stage for lathe, includes platen, the workstation that links to each other with the platen top, is used for carrying out fixed clamping part and the rotating member who is used for driving the work piece rotation to the work piece, its characterized in that: the clamping component comprises a supporting frame, a first screw rod, a moving block, a first motor, a connecting rod, a clamping plate, a fixed plate, a sliding opening, a sliding block, a positioning plate, a bidirectional screw rod and a second motor, wherein the supporting frame is fixedly connected with two sides of the top of a platen, the first screw rod is connected with the supporting frame, the moving block is connected with the outer side of the first screw rod, the first motor is connected with one end of the first screw rod, the connecting rod is fixedly connected with one side of the moving block, the clamping plate is fixedly connected with one end of the connecting rod, the fixed plate is fixedly connected with one side of the clamping plate, the sliding opening is respectively formed in two sides of the top of the fixed plate, the sliding block is arranged in the sliding opening, the positioning plate is fixedly connected with the bottom of the sliding block, the bidirectional screw rod is connected with the sliding block, the second motor is connected with one end of the bidirectional screw rod, the first screw rod is in threaded connection with the supporting frame, and the bidirectional screw rod is in threaded connection with the moving block.

2. A turret for a machine tool according to claim 1, wherein: two spacing grooves are formed in one side of the positioning plate, a push rod is connected in the spacing grooves in a sliding mode, a buffer plate is fixedly connected to one end of the push rod, a spring is sleeved on the outer side of the push rod, and two ends of the spring are fixedly connected with the buffer plate and the positioning plate respectively.

3. A turret for a machine tool according to claim 1, wherein: the rotary part comprises a rotary shaft connected with the bottom of the workbench, a third motor connected with the bottom of the rotary shaft, a protection box connected with the outer side of the rotary shaft, a plurality of air inlets formed in the outer side of the protection box and arranged circumferentially, fans fixedly connected with the two sides in the protection box respectively, and a plurality of heat dissipation holes formed in the top of the protection box and arranged circumferentially, the rotary shaft is rotationally connected with the protection box, and the rotary shaft is rotationally connected with the bedplate.

4. A turret for a machine tool according to claim 1, wherein: the table top is provided with a guide groove, guide blocks are respectively and slidably connected to two sides in the guide groove, and a connecting block is fixedly connected between the guide blocks and the workbench.

5. A turret for a machine tool according to claim 1, wherein: the anti-rotation groove is formed in the inner bottom of the support frame, the top of the moving block is fixedly connected with an anti-rotation block, and the anti-rotation block is in sliding connection with the anti-rotation groove.