CN218612861U

CN218612861U - Machine tool clamp

Info

Publication number: CN218612861U
Application number: CN202223102698.7U
Authority: CN
Inventors: 张妍津
Original assignee: Individual
Current assignee: Kunshan Oujiu Precision Cutting Tool Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-14
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to the technical field of machine tools, especially, relate to a machine tool fixture. Including the lathe body, the upper end of lathe body is fixed with the fixed disk, the inside of fixed disk upper end and lower extreme all is fixed with electric telescopic handle, two electric telescopic handle's flexible end all is fixed with the fixed block, the inboard of two fixed blocks all is fixed with the fixed axle, the outside of two fixed axles all rotates and is connected with the connecting block, one side that the fixed block was kept away from to two connecting blocks is fixed with the connection pad, the inboard rotation of connection pad is connected with the carousel, be provided with drive assembly between connection pad and the carousel, the inboard of carousel is provided with the centre gripping subassembly. The utility model discloses a holistic structure cooperation design for when the work piece of centre gripping different shapes, the angle of centre gripping is conveniently adjusted, and then is convenient for adapt to different work pieces, and conveniently drives the work piece and rotate behind the centre gripping, thereby makes the processing practicality and the efficiency of work piece obtain improving.

Description

Machine tool clamp

Technical Field

The utility model relates to a lathe technical field especially relates to a machine tool fixture.

Background

The machine tool is one of basic processing tools in modern mechanical processing, various parts can be processed by the mutual matching of a turning tool and a chuck, the clamp is used for fixing a workpiece in the mechanical manufacturing process, so that the workpiece has a correct position, and the machine tool clamp is the most common clamp in various types, can ensure higher processing precision and working efficiency and plays a vital role in the mechanical processing industry;

for example, a clamp for a machine tool disclosed in CN216681271U describes "a workpiece is placed in a backing plate in the middle of a ring, the backing plate can reduce vibration generated when the workpiece is processed, then two connecting rods are pushed to enable a squeezing plate to clamp the workpiece, then a thread bushing is rotated to enable the thread bushing to be screwed with a half thread wall, so as to clamp the workpiece, wherein the connecting rods can slide along sliding grooves, so as to drive the squeezing plate to move synchronously, thereby changing the clamping angle of the squeezing plate to the workpiece, adapting to different workpieces, and facilitating adjustment of the squeezing position according to actual conditions, thereby improving the stability of clamping the workpiece, and facilitating rotation of the thread bushing by a rocking handle, thereby saving time and labor", and provides "in the prior art, when the workpiece is clamped, the shape of the workpiece is different, the clamped surface cannot be adjusted, the clamping effect is unstable, the loosening condition easily occurs, so that the error is large when the workpiece is processed, and the workpiece cannot be rotated, the practicability is low, and the processing efficiency is low";

in summary, the following technical problems are known in the prior art: some machine tool fixtures that present are when the centre gripping work piece because the shape of different work pieces is different for the face of centre gripping is inconvenient to be adjusted, and the centre gripping effect is unstable, takes place to become flexible easily, and the error that leads to the work piece to add man-hour is great, and the work piece is inconvenient to rotate among the clamping process, and practicality and machining efficiency are lower, and for this reason, this application proposes one kind, for the technical problem who solves mention among the above-mentioned prior art, provides a new technical scheme.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a machine tool clamp, generally speaking, be to technical problem: some current machine tool fixtures are when the centre gripping work piece, because the shape of different work pieces is different for the face of centre gripping is inconvenient to be adjusted, and the centre gripping effect is unstable, takes place to become flexible easily, and the error that leads to the work piece to add man-hour is great, and the work piece is inconvenient to rotate among the clamping process, and practicality and machining efficiency are lower.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a machine tool fixture, includes the lathe body, the upper end of lathe body is fixed with the fixed disk, the inside of fixed disk upper end and lower extreme all is fixed with electric telescopic handle, two electric telescopic handle's flexible end all is fixed with the fixed block, two the inboard of fixed block all is fixed with the fixed axle, two the outside of fixed axle all rotates and is connected with the connecting block, the connecting block with the fixed block laminating and with fixed block swing joint, two one side that the fixed block was kept away from to the connecting block is fixed with the connection pad, the inboard rotation of connection pad is connected with the carousel, be provided with drive assembly between connection pad and the carousel, the inboard of carousel is provided with the centre gripping subassembly.

Preferably, the driving assembly comprises an annular rack, a first motor and a gear, the annular rack is fixed on the outer side of the rotary table, the first motor is fixed inside the connecting disc and located on the outer side of the rotary table, the gear is fixed at the output end of the first motor, and the gear is meshed with the annular rack and connected with the annular rack.

Preferably, the centre gripping subassembly is including second motor, first screw rod, first slide and first splint, the inside of carousel one end is fixed with the second motor, the output of second motor is fixed with first screw rod, the one end that the second motor was kept away from to first screw rod is rotated with the carousel and is connected, the outside symmetry threaded connection of first screw rod has first slide, two first slide all with the inboard laminating of carousel and with carousel sliding connection, two one side of first slide all extends to the carousel outside and is fixed with first splint.

Preferably, the centre gripping subassembly is still including third motor, second screw rod, second slide and second splint, the inside of carousel lower extreme is fixed with the third motor, the output of third motor is fixed with the second screw rod, the one end that the third motor was kept away from to the second screw rod is rotated with the carousel and is connected, the outside symmetry threaded connection of second screw rod has the second slide, two the second slide all with the inboard laminating of carousel and with carousel sliding connection, two the outside that all extends to the carousel and be fixed with the second splint.

Preferably, the anti-skid pad is fixed at one end of each of the two first clamping plates and the two second clamping plates, which are close to each other.

Preferably, pressure sensors are fixed inside the two first clamping plates and the two second clamping plates and are attached to the anti-skid pads.

It can be seen without any doubt that the technical problems to be solved by the present application can be solved by the above technical solutions of the present application.

Simultaneously, through above technical scheme, the utility model discloses possess following beneficial effect at least:

through holistic structure cooperation design for when the work piece of different shapes of centre gripping, the angle of centre gripping is conveniently adjusted, and then is convenient for adapt to different work pieces, and conveniently drives the work piece and rotate behind the centre gripping, thereby makes the processing practicality and the efficiency of work piece obtain improving, stability when being convenient for improve the centre gripping through the slipmat simultaneously, extrusion power when being convenient for adjust the centre gripping through pressure sensor effectively reduces the work piece and adds the error man-hour.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a machine tool holder;

FIG. 2 is a schematic structural diagram between a fixture fixing plate and a connecting plate of a machine tool;

FIG. 3 is a schematic diagram of a machine tool clamp drive assembly;

fig. 4 is a schematic structural diagram of a clamping assembly of a machine tool clamp.

In the figure: 1. a machine tool body; 2. fixing the disc; 3. an electric telescopic rod; 4. a fixed block; 5. connecting blocks; 6. a fixed shaft; 7. a connecting disc; 8. a turntable; 9. an annular rack; 10. a first motor; 11. a gear; 12. a second motor; 13. a first screw; 14. a first slider; 15. a first splint; 16. a third motor; 17. a second screw; 18. a second slide carriage; 19. a second splint; 20. a non-slip mat; 21. a pressure sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-4, a machine tool fixture comprises a machine tool body 1, wherein a fixed disc 2 is fixed at the upper end of the machine tool body 1, electric telescopic rods 3 are fixed inside the upper end and the lower end of the fixed disc 2, fixed blocks 4 are fixed at the telescopic ends of the two electric telescopic rods 3, fixed shafts 6 are fixed on the inner sides of the two fixed blocks 4, connecting blocks 5 are rotatably connected to the outer sides of the two fixed shafts 6, the connecting blocks 5 are attached to the fixed blocks 4 and movably connected with the fixed blocks 4, connecting discs 7 are fixed on the sides, far away from the fixed blocks 4, of the two connecting blocks 5, and the connecting structures among the fixed blocks 4, the connecting blocks 5 and the fixed shafts 6 are designed so as to facilitate adjustment of the inclination angles of the connecting discs 7;

a rotary table 8 is rotatably connected to the inner side of the connecting disc 7, and a driving assembly is arranged between the connecting disc 7 and the rotary table 8 for controlling the rotation of the rotary table 8;

specifically, the driving assembly comprises an annular rack 9, a first motor 10 and a gear 11, the annular rack 9 is fixed on the outer side of the rotary table 8, the first motor 10 is fixed inside the connecting disc 7 and located on the outer side of the rotary table 8, the gear 11 is fixed on the output end of the first motor 10, and the gear 11 is meshed with the annular rack 9;

in order to conveniently clamp workpieces in different shapes and adjust the clamping angle, the clamping assembly is arranged on the inner side of the rotary table 8, and the clamping assembly is driven to rotate together behind the clamped workpiece by controlling the rotation of the rotary table 8, so that the practicability and the machining efficiency are effectively improved;

specifically, the clamping assembly comprises a second motor 12, a first screw 13, first sliding seats 14 and first clamping plates 15, in order to facilitate transverse clamping of a workpiece, the second motor 12 is fixed inside one end of the rotary table 8, the first screw 13 is fixed at the output end of the second motor 12, one end, far away from the second motor 12, of the first screw 13 is rotatably connected with the rotary table 8, the first sliding seats 14 are symmetrically and threadedly connected to the outer side of the first screw 13, the two first sliding seats 14 are both attached to the inner side of the rotary table 8 and slidably connected with the rotary table 8, and one sides of the two first sliding seats 14 extend to the outer side of the rotary table 8 and are fixed with the first clamping plates 15;

the clamping assembly further comprises a third motor 16, a second screw 17, a second sliding seat 18 and a second clamping plate 19, in order to conveniently and longitudinally clamp a workpiece, the third motor 16 is fixed inside the lower end of the rotary table 8, the second screw 17 is fixed at the output end of the third motor 16, one end, far away from the third motor 16, of the second screw 17 is rotatably connected with the rotary table 8, the second sliding seat 18 is symmetrically and threadedly connected to the outer side of the second screw 17, the two second sliding seats 18 are both attached to the inner side of the rotary table 8 and are slidably connected with the rotary table 8, and one sides of the two second sliding seats 18 extend to the outer side of the rotary table 8 and are fixed with the second clamping plate 19;

the two first clamping plates 15 and the two second clamping plates 19 are used for conveniently realizing longitudinal and transverse clamping of a workpiece, four sides of the outer side of the workpiece are conveniently clamped simultaneously when the two first clamping plates 15 and the two second clamping plates 19 move together, the clamping angles of the two first clamping plates 15 and the two second clamping plates 19 are conveniently adjusted through rotation of the rotary table 8 before clamping, and the clamping assembly is conveniently driven to adjust the inclined clamping angle through inclination of the connecting disc 7;

in the clamping process, in order to increase the friction force between the clamping device and a workpiece and enable the clamping to be more stable and further reduce the error of the workpiece during machining, anti-skid pads 20 are fixed at the ends, close to each other, of the two first clamping plates 15 and the two second clamping plates 19, and in order to adjust the clamping force after clamping, pressure sensors 21 are fixed inside the two first clamping plates 15 and the two second clamping plates 19, and the pressure sensors 21 are attached to the anti-skid pads 20;

in summary, the following can be found:

the utility model is directed to the technical problem: when some existing machine tool clamps clamp workpieces, because of different shapes of different workpieces, a clamped surface is inconvenient to adjust, the clamping effect is unstable, looseness is easy to occur, the error of the workpiece during machining is large, the workpiece is inconvenient to rotate in the clamping process, and the practicability and the machining efficiency are low; the technical scheme of each embodiment is adopted. Meanwhile, the implementation process of the technical scheme is as follows:

when a workpiece is placed between two first clamping plates 15 and two second clamping plates 19, a second motor 12 and a third motor 16 are respectively started to drive a first screw 13 and a second screw 17 to rotate, so that two first sliding seats 14 and two second sliding seats 18 are conveniently driven to move close to each other, the workpiece is clamped by the two first clamping plates 15 and the two second clamping plates 19, the clamping angles of the two first clamping plates 15 and the two second clamping plates 19 are conveniently adjusted by rotating a turntable 8 before clamping, the clamping assembly is conveniently driven to adjust the inclined clamping angle of the clamping assembly by inclining the connecting disc 7, the two electric telescopic rods 3 are started to control one electric telescopic rod 3 to extend, one electric telescopic rod 3 retracts, and the connecting disc 7 is driven to incline upwards or downwards by structural connection of a fixing block 4, a connecting block 5 and a fixing shaft 6;

through the setting, above-mentioned technical problem can certainly be solved in this application, simultaneously, realize following technological effect:

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a machine tool fixture, includes lathe body (1), its characterized in that, the upper end of lathe body (1) is fixed with fixed disk (2), fixed disk (2) upper end and the inside of lower extreme all are fixed with electric telescopic handle (3), two the flexible end of electric telescopic handle (3) all is fixed with fixed block (4), two the inboard of fixed block (4) all is fixed with fixed axle (6), two the outside of fixed axle (6) all rotates and is connected with connecting block (5), connecting block (5) and fixed block (4) laminating and fixed block (4) swing joint, two one side that fixed block (4) were kept away from in connecting block (5) is fixed with connection pad (7), the inboard rotation of connection pad (7) is connected with carousel (8), be provided with the drive assembly between connection pad (7) and carousel (8), the inboard of carousel (8) is provided with the centre gripping subassembly.

2. A machine tool fixture according to claim 1, characterized in that the driving assembly comprises an annular rack (9), a first motor (10) and a gear (11), the annular rack (9) is fixed on the outer side of the rotary table (8), the first motor (10) is fixed inside the connecting disc (7) and on the outer side of the rotary table (8), the gear (11) is fixed on the output end of the first motor (10), and the gear (11) is meshed with the annular rack (9).

3. The machine tool fixture according to claim 1, wherein the clamping assembly comprises a second motor (12), a first screw (13), a first sliding seat (14) and a first clamping plate (15), the second motor (12) is fixed inside one end of the rotary table (8), the first screw (13) is fixed at the output end of the second motor (12), one end, far away from the second motor (12), of the first screw (13) is rotatably connected with the rotary table (8), the first sliding seat (14) is symmetrically and threadedly connected to the outer side of the first screw (13), the two first sliding seats (14) are attached to the inner side of the rotary table (8) and slidably connected with the rotary table (8), and one sides of the two first sliding seats (14) extend to the outer side of the rotary table (8) and are fixed with the first clamping plate (15).

4. The machine tool fixture according to claim 3, wherein the clamping assembly further comprises a third motor (16), a second screw (17), a second sliding seat (18) and a second clamping plate (19), the third motor (16) is fixed inside the lower end of the rotating disk (8), the second screw (17) is fixed at the output end of the third motor (16), one end, far away from the third motor (16), of the second screw (17) is rotatably connected with the rotating disk (8), the second sliding seat (18) is symmetrically and threadedly connected to the outer side of the second screw (17), the two second sliding seats (18) are attached to the inner side of the rotating disk (8) and are slidably connected with the rotating disk (8), and one side of each of the two second sliding seats (18) extends to the outer side of the rotating disk (8) and is fixed with the second clamping plate (19).

5. A machine tool clamp according to claim 4, characterized in that the ends of the two first clamping plates (15) and the two second clamping plates (19) which are close to each other are fixed with anti-skid pads (20).

6. A machine tool clamp according to claim 5, characterized in that the two first clamping plates (15) and the two second clamping plates (19) are internally fixed with pressure sensors (21), and the pressure sensors (21) are attached to the non-slip mat (20).