CN209970164U

CN209970164U - Workpiece fixing device for numerical control machine tool

Info

Publication number: CN209970164U
Application number: CN201920426429.5U
Authority: CN
Inventors: 王建峰; 邹才华
Original assignee: Changzhou Dahua Huanyu Machinery Manufacture Co Ltd
Current assignee: Changzhou Dahua Huanyu Machinery Manufacture Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-01-21
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a workpiece fixing device for a numerical control machine tool, which comprises a bearing platform and clamping plates, wherein two brackets are correspondingly fixed on two sides of the bearing platform through bolts, two first cylinders are correspondingly installed at the middle positions of the top surfaces of the two brackets, the piston rod ends of the two first cylinders are correspondingly connected with the middle positions of the back surfaces of the two clamping plates, a lifting platform is installed at the middle part of the bearing platform, and the top parts and the lower parts of the two clamping plates are correspondingly connected with two sets of auxiliary plates; the notch at the top of the clamping block is meshed with the tooth groove at one side of the rotating shaft under the action of the reed to limit the rotation of the auxiliary plate, so that the angle between the auxiliary plate and the clamping plate is kept unchanged, the auxiliary plate is effectively contacted with the surface of a workpiece, and the workpiece is effectively supported.

Description

Workpiece fixing device for numerical control machine tool

Technical Field

The utility model relates to a machine tool equipment technical field specifically is a work piece fixing device for digit control machine tool.

Background

The part is processed on the numerical control machine tool, mainly depend on the processing procedure, it is different from ordinary lathe, it does not need to make, change many moulds, clamps, do not need to readjust the lathe frequently, therefore, the numerical control machine tool is suitable for the place where the part processed is frequently changed, namely suitable for the singleton, production and development of new product of the small batch product, thus has shortened the production preparation cycle, has saved the expenses of a large amount of process equipment, the work piece is through the die-casting process shaping, need to carry on further processing to the work piece, while presuming the fixed of the work piece, the common work piece fixing device for numerical control machine tool is high certain, fix the work piece insufficiently, the contact area seen with the work piece of the flat clamp plate is minor when the external shape of the work piece is irregular, can't fix the work piece. Therefore, the utility model provides a work piece fixing device for digit control machine tool is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a work piece fixing device for digit control machine tool to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a work piece fixing device for digit control machine tool, includes bearing platform and splint, the both sides of bearing platform correspond through the bolt and are fixed with two brackets, two the intermediate position of bracket top surface corresponds installs two first cylinders, two the intermediate position at the two splint backs is connected in the piston rod end correspondence of first cylinder, the mid-mounting of bearing platform has the lifting platform, two the splint top corresponds with the lower part and connects two sets of subplates, the border position correspondence of splint top and bottom is seted up flutedly, the pivot is installed in the inside intermediate position of recess and along the direction rotation of splint long limit, one side of pivot has the subplate along its axis direction welding, the recess is inside to rotate in one side of pivot and is connected with the fixture block, the one side mid-mounting that the recess inner wall is close to the fixture block has the reed, the lifting platform includes roof, bottom plate, The middle part of left fork arm and right fork arm is connected through the round pin axle rotation, the middle part at the bottom plate is installed to the second cylinder, the piston rod end of second cylinder rotates the lower part of connecting left fork arm, the upper end of left fork arm rotates the middle part of connecting roof bottom surface one side, the lower extreme of right fork arm rotates the one side middle part of connecting the bottom plate top surface.

Preferably, the lifting platform further comprises a first sliding rail and a second sliding rail, the first sliding rail is mounted at the bottom surface of the top plate and is far away from the middle part of one side of the left fork arm, and the second sliding rail is mounted at the top surface of the bottom plate and is far away from the middle part of one side of the right fork arm.

Preferably, the top end of the right fork arm is slidably connected to the outside of the first slide rail, and the bottom end of the left fork arm is slidably connected to the outside of the second slide rail.

Preferably, the surface of the semi-circumference position of the rotating shaft is provided with a tooth groove, one side of the top of the clamping block is provided with a notch meshed with the tooth groove, and one side of the reed is in contact with one side of the clamping block.

Preferably, a shifting lever is welded on one side, away from the rotating shaft, of the clamping block, and the shifting lever penetrates through a strip-shaped hole formed in one side edge of the clamping plate.

Preferably, the groove is communicated with the outer opening edge, a limiting column is welded at a position close to the inner wall, and rubber pads are attached to the surfaces of the clamping plate and the auxiliary plate.

Preferably, the middle part of the back surface of the clamping plate is connected with a connecting seat through a bolt, and the connecting seat is connected with the tail end of a piston rod of the first air cylinder.

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

1. the height of the workpiece is adjusted by using the lifting table, so that the workpiece can be processed by a numerical control machine tool, and the clamping plates on the two sides can better fix the workpiece, so that the workpiece is fixed stably and effectively;

2. the inclined angle between the two auxiliary plates at the upper part and the lower part of the clamping plate and the clamping plate is adjusted to adapt to the shape of the surface of a workpiece, so that the clamping plate and the auxiliary plates effectively contact the workpiece, the stability of fixing the workpiece is improved, and the workpiece can be conveniently and smoothly processed by a numerical control machine;

3. the notch at the top of the clamping block is meshed with the tooth groove at one side of the rotating shaft under the action of the reed to limit the rotation of the auxiliary plate, so that the angle between the auxiliary plate and the clamping plate is kept unchanged, the auxiliary plate is effectively contacted with the surface of a workpiece, and the workpiece is effectively supported.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the clamping plate and the auxiliary plate of the present invention;

fig. 3 is a schematic structural view of the lifting platform of the present invention.

In the figure: the device comprises a supporting platform 1, a bracket 2, a first air cylinder 3, a clamping plate 4, a lifting platform 5, a top plate 51, a bottom plate 52, a second air cylinder 53, a left fork arm 54, a right fork arm 55, a first sliding rail 56, a second sliding rail 57, a secondary plate 6, a connecting seat 7, a groove 8, a rotating shaft 9, a tooth groove 10, a clamping block 11, a reed 12, a deflector rod 13, a bolt 14 and a limiting column 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a work piece fixing device for digit control machine tool, including bearing platform 1 and splint 4, two brackets 2 are correspondingly fixed with to the both sides of bearing platform 1 through the bolt, two first cylinders 3 are installed to the intermediate position correspondence of two bracket 2 top surfaces, the intermediate position at two splint 4 backs is connected to the piston rod end correspondence of two first cylinders 3, the mid-mounting of bearing platform 1 has hoisting platform 5, two splint 4 top and lower part correspondence connect two sets of subplates 6, the border position correspondence of splint 4 top and bottom has seted up recess 8, the pivot 9 is installed to the intermediate position inside recess 8 and along the direction rotation of splint 4 long limit, one side of pivot 9 has welded subplate 6 along its axis direction, the recess 8 is inside to rotate in one side of pivot 9 and is connected with fixture block 11, the recess 8 inner wall is close to one side mid-mounting of fixture block 11 has reed 12, hoisting platform 5 includes roof 51, The bottom plate 52, the second cylinder 53, left yoke 54 and right yoke 55, the middle part of left yoke 54 and right yoke 55 is through the round pin hub rotation connection, the middle part at bottom plate 52 is installed to the second cylinder 53, the lower part of left yoke 54 is connected in the rotation of the piston rod end of second cylinder 53, the middle part of roof 51 bottom surface one side is connected in the rotation of the upper end of left yoke 54, the middle part of one side of bottom surface of bottom plate 52 top surface is connected in the rotation of the lower extreme of right yoke 55, the height of work piece is adjusted to elevating platform 5, do benefit to the digit control machine tool and process the work piece, the better fixed work piece of splint 4 of both sides of being convenient for simultaneously, make the work.

Further, the lifting platform 5 further comprises a first slide rail 56 and a second slide rail 57, the first slide rail 56 is mounted in the middle of the bottom surface of the top plate 51 far away from the side connected with the left yoke 54, and the second slide rail 57 is mounted in the middle of the top surface of the bottom plate 52 far away from the side connected with the right yoke 55.

Further, the top end of the right fork arm 55 is slidably connected to the outside of the first slide rail 56, and the bottom end of the left fork arm 54 is slidably connected to the outside of the second slide rail 57.

Furthermore, a tooth groove 10 is formed on the surface of the half-circumference position of the rotating shaft 9, a notch meshed with the tooth groove 10 is formed on one side of the top of the fixture block 11, and one side of the spring 12 is in contact with one side of the fixture block 11.

Furthermore, a shifting lever 13 is welded on one side of the clamping block 11, which is far away from the rotating shaft 9, and the shifting lever 13 penetrates through a strip-shaped hole formed in the edge of one side of the clamping plate 4.

Furthermore, the limiting column 15 is welded at the position close to the inner wall of the opening edge of the groove 8 communicated with the outside, and rubber pads are attached to the surfaces of the clamping plate 4 and the auxiliary plate 6.

Further, the middle part of the back surface of the clamping plate 4 is connected with a connecting seat 7 through a bolt 14, and the connecting seat 7 is connected with the tail end of the piston rod of the first air cylinder 3.

The working principle is as follows: during actual work, the lifting table 5 adjusts the height of a workpiece, so that the workpiece can be processed by a numerical control machine tool conveniently, and meanwhile, the clamping plates 4 on two sides can fix the workpiece more conveniently, so that the workpiece can be fixed stably and effectively, the working process of the lifting table 5 is that the second air cylinder 53 on the upper part of the bottom plate 52 pushes or pulls the lower part of the left fork arm 54 to move, the top end of the right fork arm 55 is driven to slide by the movement of the left fork arm 54, the oblique cutting angle of the left fork arm 54 and the right fork arm 55 is adjusted to adjust the height of the top plate 51, the effect of adjusting the height of the workpiece is achieved, after the position of the workpiece is adjusted, an operator controls the two first air cylinders 3 on the upper parts of the two groups of brackets 2 to work, the two clamping plates 4 are pushed by the working of the two groups of first air cylinders 3 to move towards the workpiece to clamp and fix the, the clamping plate 4 and the auxiliary plate 6 are in effective contact with the workpiece, so that the stability of fixing the workpiece is improved, and the workpiece can be conveniently and smoothly processed by a numerical control machine; the notch at the top of the clamping block 11 is meshed with the tooth groove 10 at one side of the rotating shaft 9 under the action of the reed 12 to limit the rotation of the auxiliary plate 6, so that the angle between the auxiliary plate 6 and the clamping plate 4 is kept unchanged, the auxiliary plate 6 is effectively contacted with the surface of a workpiece, and the workpiece is effectively supported.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a work piece fixing device for digit control machine tool, includes cushion cap (1) and splint (4), its characterized in that: the two sides of the bearing platform (1) are correspondingly fixed with two brackets (2) through bolts, the middle positions of the top surfaces of the two brackets (2) are correspondingly provided with two first cylinders (3), the tail ends of piston rods of the two first cylinders (3) are correspondingly connected with the middle positions of the back surfaces of two clamping plates (4), the middle of the bearing platform (1) is provided with a lifting platform (5), the top and the lower part of each clamping plate (4) are correspondingly connected with two sets of auxiliary plates (6), the edge positions of the top and the bottom of each clamping plate (4) are correspondingly provided with grooves (8), the middle positions inside the grooves (8) are rotatably provided with rotating shafts (9) along the long edges of the clamping plates (4), one sides of the rotating shafts (9) are welded with the auxiliary plates (6) along the axial direction of the rotating shafts, and the insides of the grooves (8) are rotatably connected with clamping blocks (11) on, one side mid-mounting that recess (8) inner wall is close to fixture block (11) has reed (12), lifting platform (5) include roof (51), bottom plate (52), second cylinder (53), left yoke (54) and right yoke (55), the middle part of left side yoke (54) and right yoke (55) is rotated through the round pin axle and is connected, the middle part at bottom plate (52) is installed in second cylinder (53), the piston rod end of second cylinder (53) rotates the lower part of connecting left yoke (54), the middle part of connecting roof (51) bottom surface one side is rotated to the upper end of left side yoke (54), the lower extreme of right yoke (55) rotates the middle part of connecting one side of bottom plate (52) top surface.

2. The workpiece fixing device for the numerical control machine tool according to claim 1, wherein: the lifting platform (5) further comprises a first sliding rail (56) and a second sliding rail (57), the first sliding rail (56) is installed in the middle of one side, far away from the left fork arm (54), of the bottom surface of the top plate (51), and the second sliding rail (57) is installed in the middle of one side, far away from the right fork arm (55), of the top surface of the bottom plate (52).

3. The workpiece fixing device for the numerical control machine tool according to claim 2, wherein: the top end of the right fork arm (55) is connected to the outside of the first sliding rail (56) in a sliding mode, and the bottom end of the left fork arm (54) is connected to the outside of the second sliding rail (57) in a sliding mode.

4. The workpiece fixing device for the numerical control machine tool according to claim 1, wherein: tooth grooves (10) are formed in the surface of the semi-circumference position of the rotating shaft (9), one side of the top of the clamping block (11) is provided with a notch meshed with the tooth grooves (10), and one side of the reed (12) is in contact with one side of the clamping block (11).

5. The workpiece fixing device for the numerical control machine tool according to claim 1, wherein: one side of the clamping block (11) far away from the rotating shaft (9) is welded with a shifting lever (13), and the shifting lever (13) penetrates through a strip-shaped hole formed in the edge of one side of the clamping plate (4).

6. The workpiece fixing device for the numerical control machine tool according to claim 1, wherein: the groove (8) is communicated with the outer opening edge, a limiting column (15) is welded at a position close to the inner wall, and rubber pads are attached to the surfaces of the clamping plate (4) and the auxiliary plate (6).

7. The workpiece fixing device for the numerical control machine tool according to claim 1, wherein: the middle part of the back surface of the clamping plate (4) is connected with a connecting seat (7) through a bolt (14), and the connecting seat (7) is connected with the tail end of a piston rod of the first cylinder (3).