CN211728780U

CN211728780U - Flexible clamping device of polishing machine tool

Info

Publication number: CN211728780U
Application number: CN201922261227.2U
Authority: CN
Inventors: 连月霞
Original assignee: Chengdu Linxiang Machinery Equipment Co ltd
Current assignee: Chengdu Linxiang Machinery Equipment Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-10-23
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a flexible clamping device of lathe of polishing, comprises an operation bench, the operation panel upper end is equipped with the opening, the equal sliding connection in inside both ends of opening has the grip block, two grip blocks all run through the opening, two grip block bottoms are equipped with adjusting device, all be equipped with the circular slot in two grip blocks, two circular slots all communicate with corresponding grip block top, two circular slot both sides all are equipped with the notch, two notches all communicate with corresponding grip block both sides, the first spring of the equal fixedly connected with in two circular slot bottoms, two first spring top end swing joint have the clamp plate, the clamp plate runs through four notches respectively, the clamp plate is on a parallel with the operation panel, the equal threaded connection in two circular slot upper ends has the bolt, two shank bolt wall ends all with clamp plate upper surface swing joint, clamp plate one end is equipped with the backup pad, the beneficial effect who reaches is: the clamping block can be easily installed and detached, the clamping block is convenient to replace, clamping of the machined part is more comprehensive, and the clamping effect is better.

Description

Flexible clamping device of polishing machine tool

Technical Field

The utility model relates to a flexible clamping device of polishing machine tool belongs to the polishing machine tool technology field.

Background

Machine tools are machines for manufacturing machines, also called machine tools or machine tools, which are conventionally referred to as machine tools for short. Generally, the machining method is divided into a metal cutting machine, a forging machine, a woodworking machine and the like. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool. The machine tool plays an important role in the construction of national economy modernization. When the machining is carried out on the grinding machine tool, the clamping device is required to clamp the machined part, so that the machined part is prevented from shaking.

The existing clamping devices are simple, the clamping effect is poor for machined parts with irregular surfaces, the machining effect is affected, and due to the fact that the clamping plates are troublesome to detach and install, the clamping plates are inconvenient to replace, and time is consumed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the clamping effect of the object with irregular surface is poor and the clamping plate is not easy to replace in the prior art, and providing a flexible clamping device of a polishing machine tool.

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

a flexible clamping device of a polishing machine tool comprises an operation table, wherein an opening is formed in the upper end of the operation table, clamping plates are slidably connected to two ends inside the opening, the two clamping plates penetrate through the opening, an adjusting device is arranged at the bottom end of the two clamping plates, circular grooves are formed in the two clamping plates, the two circular grooves are communicated with the tops of the corresponding clamping plates, notches are formed in two sides of the circular grooves, the two notches are communicated with two sides of the corresponding clamping plates, first springs are fixedly connected to the bottoms of the two circular grooves, a pressing plate is movably connected to the top end of the two first springs and penetrates through the four notches, the pressing plate is parallel to the operation table, bolts are connected to the upper ends of the two circular grooves in a threaded mode, the wall ends of the two bolt rods are movably connected to the upper surface of the pressing plate, a supporting plate is arranged at one end of the pressing plate, and the supporting plate is, one side that the backup pad is close to the clamp plate is equipped with the spout, clamp plate one end tip fixedly connected with slider, slider and spout sliding connection, slider upper end fixedly connected with telescopic link, telescopic link fixed end fixed connection is on the inside top of spout, the telescopic link periphery is equipped with the second spring, both ends difference fixed connection is on the inside top of spout and slider top about the second spring.

Preferably, the adjusting device comprises a motor, a first rotating shaft, two first gears, a transmission belt, two screws, two limiting blocks, two second gears and a second rotating shaft, the bottom ends of the two sides of the operating platform are fixedly connected with support legs, the motor is fixedly connected on the support legs at one side of the operating platform, the output shaft end of the motor is connected with a first rotating shaft in a transmission way, the support leg at the other side of the operating platform is connected with a second rotating shaft in a rotating way, first pivot is connected through drive belt transmission with the second pivot stabilizer blade, first pivot has first gear, two with the equal key-type connection in second pivot top first gear all meshes the second gear, and two second gears rotate respectively and connect on the stabilizer blade of operation panel both sides, two the equal key-type connection of second gear has the screw rod, two threaded connection is on two screw rods respectively to the grip block two the equal threaded connection in one end that corresponds the second gear is kept away from to the screw rod has the stopper.

Preferably, the turns of the internal threads provided on the two clamping plates are the same.

Preferably, the two first gears are gears of the same specification, and the two second gears are gears of the same specification.

Preferably, the distance between the two limit blocks is larger than the width of the clamping plate.

Preferably, the diameter of each of the two first springs is larger than the width of the corresponding notch.

The utility model provides a pair of flexible clamping device of polishing machine tool, beneficial effect lies in:

1. the utility model is provided with an adjusting device, which comprises a motor, a first rotating shaft, two first gears, a driving belt, two screw rods, two stoppers, two second gears and a second rotating shaft, the bottom ends of the two sides of an operating platform are fixedly connected with support legs, the motor is fixedly connected on the support legs of one side of the operating platform, the output shaft end of the motor is in transmission connection with the first rotating shaft, the support legs of the other side of the operating platform are in transmission connection with the second rotating shaft, the first rotating shaft and the support legs of the second rotating shaft are in transmission connection through the driving belt, the top ends of the first rotating shaft and the second rotating shaft are in key connection with the first gears, the two first gears are in meshing connection with the second gears, the two second gears are respectively in rotation connection with the support legs of the two sides of the operating platform, the two second gears are in key connection with the screw rods, the two clamping plates are, the motor drives first pivot and rotates, first pivot passes through the drive belt and drives the rotation of second pivot, first pivot and second pivot drive respectively and correspond first gear revolve, two first gears drive respectively and correspond the rotation of second gear, two second gears drive respectively and correspond the screw rod and rotate, because the internal thread that sets up on two grip blocks turns to the same, consequently two grip blocks can remove to opposite direction, thereby carry out the centre gripping to the machined part on the operation panel, and simultaneously, all unload two stoppers and two bolts, can install and dismantle two grip blocks are very light, the convenience is changed the grip block, be suitable for the machined part of different specifications.

2. The utility model discloses a rotate two bolts, two shank of bolt wall ends can extrude the clamp plate downwards to make the clamp plate extrude and the centre gripping to the upper surface of machined part, further improve the centre gripping effect, prevent that the machined part from rocking.

Drawings

Fig. 1 is a schematic front structural view of a flexible clamping device of a polishing machine tool according to the present invention;

fig. 2 is a schematic view of an internal structure of a supporting plate of the flexible clamping device of the polishing machine tool provided by the present invention;

fig. 3 is a schematic view of an internal structure of a clamping plate of the flexible clamping device of the polishing machine tool according to the present invention;

fig. 4 is a top view of the flexible clamping device of the polishing machine tool provided by the utility model.

In the figure: the device comprises an operating table 1, a support leg 2, an adjusting device 3,

motors

31 and 32, a first rotating shaft 31, a first gear 33, a transmission belt 34, a screw 35 and a limiting block 36; the clamping device comprises a second gear 37, a second rotating shaft 38, a clamping plate 4, a first spring 5, a circular groove 6, a sliding block 7, a bolt 8, a pressing plate 9, a supporting plate 10, a sliding groove 11, an expansion rod 12, a second spring 13, a through hole 14 and a notch 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a flexible clamping device of a polishing machine tool comprises an operation table 1, wherein an opening 14 is arranged at the upper end of the operation table 1, two clamping plates 4 are slidably connected at the two ends inside the opening 14, the two clamping plates 4 penetrate through the opening 14, an adjusting device 3 is arranged at the bottom ends of the two clamping plates 4, circular grooves 6 are respectively arranged in the two clamping plates 4, the two circular grooves 6 are respectively communicated with the top ends of the corresponding clamping plates 4, notches 15 are respectively arranged at the two sides of the two circular grooves 6, the two notches 15 are respectively communicated with the two sides of the corresponding clamping plates 4, first springs 5 are respectively fixedly connected at the bottoms of the two circular grooves 6, a pressure plate 9 is movably connected at the top end parts of the two first springs 5, the pressure plate 9 penetrates through the four notches 15 respectively, the pressure plate 9 is parallel to the operation table 1, bolts 8 are respectively connected at the upper ends of the two circular grooves 6 in a threaded manner, the, backup pad 10 vertical fixation is on operation panel 1, one side that backup pad 10 is close to clamp plate 9 is equipped with spout 11, clamp plate 9 one end tip fixedly connected with slider 7,

slider

7 and 11 sliding connection of spout, slider 7 upper end fixedly connected with telescopic link 12, telescopic link 12 fixed end fixed connection is on the inside top of spout 11, telescopic link 12 periphery is equipped with second spring 13, both ends difference fixed connection is on the inside top of spout 11 and the 7 tops of slider about second spring 13, realize the centre gripping to the machined part through adjusting device 3, and simultaneously, through rotating two

bolts

8, 8 pole wall ends of two bolts can extrude clamp plate 9 downwards, thereby make clamp plate 9 extrude and the centre gripping to the upper surface of machined part, can further improve the centre gripping effect, prevent that the machined part from rocking.

The diameters of the two first springs 5 are larger than the width of the corresponding notches 15, so that the first springs 5 are prevented from inclining, the adjusting device 3 comprises a motor 31, a first rotating shaft 32, two first gears 33, a transmission belt 34, two screw rods 35, two limiting blocks 36, two second gears 37 and a second rotating shaft 38, the bottom ends of the two sides of the operating platform 1 are fixedly connected with the support legs 2, the motor 31 is fixedly connected with the support legs 2 on one side of the operating platform 1, the output shaft end of the motor 31 is in transmission connection with the first rotating shaft 32, the support legs 2 on the other side of the operating platform 1 are in transmission connection with the second rotating shaft 38, the first rotating shaft 32 is in transmission connection with the support legs 2 of the second rotating shaft 38 through the transmission belt 34, the top ends of the first rotating shaft 32 and the second rotating shaft 38 are in key connection with the first gears 33, the two first gears 33 are meshed with the second gears 37, the two second gears 37, two second gears 37 are all in key connection with screws 35, two clamping plates 4 are respectively in threaded connection with the two screws 35, one ends, far away from the corresponding second gears 37, of the two screws 35 are respectively in threaded connection with limit blocks 36, the motor 31 drives the first rotating shaft 32 to rotate, the first rotating shaft 32 drives the second rotating shaft 38 to rotate through the transmission belt 34, the first rotating shaft 32 and the second rotating shaft 38 respectively drive the corresponding first gears 33 to rotate, the two first gears 33 respectively drive the corresponding second gears 37 to rotate, the two second gears 37 respectively drive the corresponding screws 35 to rotate, because internal threads arranged on the two clamping plates 4 are in the same direction, the two clamping blocks can move in opposite directions, thereby clamping a machined part on the operating platform 1, and meanwhile, the two limit blocks 36 and the two bolts 8 are all detached, so that the two clamping plates 4 can be easily installed and detached, the convenient grip block 4 of changing, be suitable for the machined part of different specifications, interval between two stopper 36 is greater than grip block 4's width, guarantee that two grip block 4 can install and dismantle through the interval between two stopper 36, the internal thread that sets up turns to the same on two grip block 4, because turning to of two screw rods 35 is opposite, because can guarantee that two grip blocks can remove to opposite direction, two first gears 33 are with the specification gear, two second gears 37 are with the specification gear, guarantee that two grip blocks move with fast.

The working principle is as follows: when the clamping device is used, the motor 31 drives the first rotating shaft 32 to rotate, the first rotating shaft 32 drives the second rotating shaft 38 to rotate through the transmission belt 34, the first rotating shaft 32 and the second rotating shaft 38 respectively drive the corresponding first gears 33 to rotate, the two first gears 33 respectively drive the corresponding second gears 37 to rotate, the two second gears 37 respectively drive the corresponding screw rods 35 to rotate, because the internal threads arranged on the two clamping plates 4 are in the same direction, the two clamping blocks can move in opposite directions, so as to clamp a workpiece on the operating platform 1, meanwhile, the two limiting blocks 36 and the two bolts 8 are both removed, so that the two clamping plates 4 can be easily installed and detached, the clamping plates 4 can be conveniently replaced, the clamping device is suitable for workpieces with different specifications, the two bolts 8 are rotated, the rod wall ends of the two bolts 8 can downwards extrude the pressing plate 9, so that the pressing plate 9 can extrude and clamp the upper surface of the workpiece, further improve the centre gripping effect, prevent that the machined part from rocking.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The flexible clamping device of the polishing machine tool comprises an operating table (1) and is characterized in that through holes (14) are formed in the upper end of the operating table (1), clamping plates (4) are connected to the two ends inside the through holes (14) in a sliding mode, the two clamping plates (4) penetrate through the through holes (14), adjusting devices (3) are arranged at the bottom ends of the two clamping plates (4), circular grooves (6) are arranged in the two clamping plates (4), the two circular grooves (6) are communicated with the top ends of the corresponding clamping plates (4), notches (15) are arranged on the two sides of the two circular grooves (6), the two notches (15) are communicated with the two sides of the corresponding clamping plates (4), first springs (5) are fixedly connected to the bottoms of the two circular grooves (6), pressing plates (9) are movably connected to the top end portions of the first springs (5), and the pressing plates (9) penetrate through the four notches (15) respectively, the pressing plate (9) is parallel to the operating platform (1), the upper ends of the two circular grooves (6) are in threaded connection with bolts (8), the rod wall ends of the two bolts (8) are movably connected with the upper surface of the pressing plate (9), one end of the pressure plate (9) is provided with a supporting plate (10), the supporting plate (10) is vertically fixed on the operating platform (1), one side of the supporting plate (10) close to the pressing plate (9) is provided with a sliding chute (11), a sliding block (7) is fixedly connected with one end part of the pressing plate (9), the sliding block (7) is connected with the sliding groove (11) in a sliding way, the upper end of the sliding block (7) is fixedly connected with a telescopic rod (12), the fixed end of the telescopic rod (12) is fixedly connected with the top end inside the sliding chute (11), the telescopic link (12) periphery is equipped with second spring (13), both ends fixed connection respectively is on spout (11) inside top and slider (7) top about second spring (13).

2. The flexible clamping device of the grinding machine tool according to claim 1, characterized in that the adjusting device (3) comprises a motor (31), a first rotating shaft (32), two first gears (33), a transmission belt (34), two screws (35), two limiting blocks (36), two second gears (37) and a second rotating shaft (38), the bottom ends of the two sides of the operating platform (1) are fixedly connected with support legs (2), the motor (31) is fixedly connected to the support legs (2) at one side of the operating platform (1), the output shaft end of the motor (31) is in transmission connection with the first rotating shaft (32), the support legs (2) at the other side of the operating platform (1) are in transmission connection with the second rotating shaft (38), the first rotating shaft (32) and the support legs (2) of the second rotating shaft (38) are in transmission connection through the transmission belt (34), the top ends of the first rotating shaft (32) and the second rotating shaft (38) are in key connection with the first gears (33), two first gear (33) all meshes has second gear (37), and two second gears (37) rotate respectively and connect on stabilizer blade (2) of operation panel (1) both sides, two equal key-type connection of second gear (37) has screw rod (35), two grip block (4) threaded connection respectively is on two screw rods (35), two the equal threaded connection in one end that corresponds second gear (37) was kept away from in screw rod (35) has stopper (36).

3. A flexible clamping device for sanding machines according to claim 2 characterized in that the turns of the internal thread provided on both of said clamping plates (4) are identical.

4. A flexible clamping device for sanding machines according to claim 2 characterized in that said two first gears (33) are of the same size and said two second gears (37) are of the same size.

5. A flexible clamping device for sanding machines according to claim 2 characterized in that the spacing between the two stoppers (36) is greater than the width of the clamping plate (4).

6. A flexible clamping device for grinding machines according to claim 1, characterized in that the two first springs (5) each have a diameter greater than the width of the corresponding notch (15).