CN216608096U

CN216608096U - Workpiece fixing mechanism for numerical control machine tool

Info

Publication number: CN216608096U
Application number: CN202123208768.2U
Authority: CN
Inventors: 钟培煜
Original assignee: Wuxi Zhishuo Mechanical Equipment Manufacturing Co ltd
Current assignee: Wuxi Zhishuo Mechanical Equipment Manufacturing Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-27
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a workpiece fixing mechanism for a numerical control machine tool, which comprises a bottom box platform, a placing platform and a pressing platform, wherein the placing platform is fixedly connected to the top surface of the bottom box platform, a group of moving platforms are fixedly connected to two sides of the placing platform on the bottom box platform, a group of sliding platforms are slidably connected to each group of moving platforms in a moving cavity groove, a group of pressing platforms are fixedly connected to each group of sliding platforms, a first screw rod is connected to the central position of one group of sliding platforms through threads, a second screw rod is connected to the central position of the other group of sliding platforms through threads, the bottom ends of the first screw rod and the second screw rod penetrate into the bottom box platform, a driving motor is fixedly connected to the inside of the bottom box platform, and the driving motor is in power connection with the first screw rod and the second screw rod. The utility model relates to the technical field of numerical control machine tools, and has the advantages of simple and rapid workpiece fixing and stable fixing.

Description

Workpiece fixing mechanism for numerical control machine tool

Technical Field

The utility model relates to the technical field of numerical control machines, in particular to a workpiece fixing mechanism for a numerical control machine.

Background

The numerical control machine tool is a numerical control machine tool and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, which are represented by coded numbers, which are input to the numerical control device via the information carrier. After operation, the numerical control device sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and size required by the drawing. Most of the existing workpiece fixing mechanisms are fixed and operated by manually rotating bolt fixing pieces, and the operation is inconvenient due to the fixing mode, so that the workpieces are fixed with time and labor wasting.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide the workpiece fixing mechanism which is simple and rapid in workpiece fixing and is stable in fixing.

The technical scheme adopted by the utility model for realizing the purpose is as follows: the workpiece fixing mechanism for the numerical control machine tool comprises a bottom box platform, a placing platform and a pressing platform, wherein the top surface of the bottom box platform is fixedly connected with the placing platform, the bottom box platform is located on two sides of the placing platform and is fixedly connected with a group of moving platforms, each group of moving platforms is provided with a sliding cavity groove, each group of moving platforms is located in the sliding cavity groove and is slidably connected with a group of sliding platforms, each group of sliding platforms faces the placing platform and is fixedly connected with a group of pressing platforms, the center position of each sliding platform is in threaded connection with a first lead screw, the center position of each sliding platform is in threaded connection with a second lead screw, the bottom ends of the first lead screw and the second lead screw penetrate into the bottom box platform, a driving motor is fixedly connected inside the bottom box platform, and the driving motor and the first lead screw are in threaded connection with a second lead screw, The second screw rods are all in power connection.

In some of the implementation, the bottom ends of the first screw rod and the second screw rod are fixedly connected with first bevel gears, the bottom box platform is internally and rotatably connected with a set of driving shaft, two ends of the driving shaft are fixedly connected with a set of second bevel gears, the first bevel gears are meshed with the second bevel gears in a one-to-one correspondence manner and are connected with first gears, the driving shaft is fixedly connected with first gears, the driving shaft of the driving motor is fixedly connected with second gears, and the first gears are meshed with the second gears.

In some implementations, two sets of rail platforms are fixedly connected to the inner wall of the sliding cavity groove in parallel, rail grooves are formed in the sliding platform corresponding to the rail platforms, and the rail platforms are connected to the rail grooves in a sliding mode.

In some implementations, two sets of rotating tables are fixedly connected inside the bottom box platform, a bearing is fixedly connected to each set of rotating tables, and the driving shaft penetrates through the two sets of bearings.

In some of the implementation, the bottom surface of every group push down the platform all fixedly connected with multiunit spring part, the bottom fixedly connected with lower clamp plate of spring part, fixedly connected with rubber pad on the bottom surface of lower clamp plate.

In some of the implementations, a plurality of sets of mounting pieces are fixedly connected to the bottom chassis base, and mounting holes are formed in the mounting pieces.

In some implementations, a fixing shaft is fixedly connected to the bottom surface of the first bevel gear, and the bottom end of the fixing shaft is rotatably connected to the inner bottom surface of the bottom chassis base.

The utility model has the beneficial effects that: the utility model provides a workpiece fixing mechanism which can be fixedly installed on a machine table of a numerical control machine tool, then a workpiece can be placed on a placing table, a driving shaft is driven by a driving motor to rotate, so that a first screw rod and a second screw rod rotate, at the moment, two groups of sliding tables drive corresponding pressing tables to descend until the pressing tables are in close contact with the upper surface of the workpiece, and therefore the workpiece can be stably installed on the placing table, and the workpiece is simple, rapid and strong in stability.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic structural view of another embodiment of the present invention.

In the figure: the device comprises a bottom box table 1, a placing table 2, a pressing table 3, a moving table 4, a sliding cavity groove 5, a sliding table 6, a first screw rod 7, a second screw rod 8, a driving motor 9, a rotary table 10, a driving shaft 11, a second bevel gear 12, a first bevel gear 13, a first gear 14, a second gear 15, a stabilizing shaft 16, a track table 17, a spring piece 18, a pressing plate 19 and a mounting plate 20.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a workpiece fixing mechanism for a numerical control machine tool comprises a bottom case platform 1, a placing platform 2 and a pressing platform 3, wherein the placing platform 2 is fixedly connected to the top surface of the bottom case platform, a group of moving platforms 4 are fixedly connected to both sides of the placing platform 2 on the bottom case platform 1, a sliding cavity groove 5 is formed in each group of moving platforms 4, a group of sliding platforms 6 are slidably connected to each group of moving platforms 4 in the sliding cavity groove, a group of pressing platforms 3 are fixedly connected to each group of sliding platforms 6 on the surface facing the placing platform 2, a first screw rod 7 is in threaded connection with the center position of one group of sliding platforms 6, a second screw rod 8 is in threaded connection with the center position of the other group of sliding platforms 6, the bottom ends of the first screw rod 7 and the second screw rod 8 penetrate into the bottom case platform 1, a driving motor 9 is fixedly connected to the bottom case platform 1, and the driving motor 9 and the first screw rod 7, The second screw rods 8 are in power connection, so that the first screw rods 7 and the second screw rods 8 can be driven to rotate through the driving motor 9, the two groups of sliding tables 6 move downwards respectively, and the workpiece can be pressed and fixed through the two groups of pressing tables 3.

In order to realize the power connection of the driving motor 9 with the first lead screw 7 and the second lead screw 8, in some implementations, the following modes are realized:

the bottom ends of the first screw rod 7 and the second screw rod 8 are fixedly connected with a first bevel gear 13, the bottom box platform 1 is fixedly connected with two groups of rotary tables 10, each group of rotary tables 10 is fixedly connected with a bearing, the driving shaft 11 penetrates through the two groups of bearings, so that the bottom box platform 1 is rotatably connected with a group of driving shaft 11, two ends of the driving shaft 11 are fixedly connected with a group of second bevel gears 12, the first bevel gears 13 are meshed with the second bevel gears 12 in a one-to-one correspondence manner, the driving shaft 11 is fixedly connected with a first gear 14, a second gear 15 is fixedly connected to a rotating shaft of the driving motor 9, the first gear 14 is meshed with the second gear 15, so that the driving shaft 11 can be driven to rotate by the driving motor 9, when the driving shaft 11 rotates, the second bevel gears 12 can drive the first bevel gears 13 to rotate, and therefore the first screw rod 7 is realized, The second screw rod 8 rotates, and further, a stabilizing shaft 16 is fixedly connected to the bottom surface of the first bevel gear 13, and the bottom end of the stabilizing shaft 16 is rotatably connected to the inner bottom surface of the bottom box platform 1, so that the rotation stability of the first screw rod 7 and the second screw rod 8 can be improved.

In some of the embodiments, two sets of rail bases 17 are fixedly connected to the inner wall of the sliding cavity groove 5 in parallel, the rail base 6 is provided with a rail groove corresponding to the rail base 17, and the rail base 17 is slidably connected to the rail groove, so as to realize the sliding effect of the sliding base 6 in the sliding cavity groove 5.

In some of them implementation, the equal fixedly connected with multiunit spring part 18 in bottom surface of every group push down platform 3, the bottom fixedly connected with holding down plate 19 of spring part 18, the fixedly connected with rubber pad on the bottom surface of holding down plate 19, when pushing down platform 3 and pushing down the work piece like this, also can improve certain pushing down force through spring part 18 to improve the fixed effect to the work piece.

In some of the implementations, a plurality of sets of mounting pieces 20 are fixedly connected to the bottom chassis base 1, and mounting holes are formed in the mounting pieces 20, so that the workpiece fixing mechanism can be mounted on a machine base.

The working principle of the utility model is as follows: during the use, place the work piece on placing platform 2, later start driving motor 9 for driving motor 9 drives drive shaft 11 and rotates, and drive shaft 11 rotates the back, and second bevel gear 12 alright drive first bevel gear 13 and rotate, and first lead screw 7 and second lead screw 8 rotate this moment, make sliding stand 6 downstream, press down fixedly to the work piece until the holding down plate 19 of holding down platform 3 bottom.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a work piece fixed establishment that digit control machine tool was used which characterized in that: the movable type automatic pressing device comprises a bottom box platform (1), a placing platform (2) and a pressing platform (3), wherein the placing platform (2) is fixedly connected to the top surface of the bottom box platform (1), a group of moving platforms (4) are fixedly connected to the two sides of the placing platform (2) on the bottom box platform (1), a sliding cavity groove (5) is formed in each group of moving platforms (4), a group of sliding platforms (6) are slidably connected to the moving platforms (4) in the sliding cavity groove, a group of pressing platforms (3) are fixedly connected to the surface, facing the placing platform (2), of each group of sliding platforms (6), a first lead screw (7) is in threaded connection with the central position of one group of sliding platforms (6), a second lead screw (8) is in threaded connection with the central position of the other group of sliding platforms (6), and the bottom ends of the first lead screw (7) and the second lead screw (8) penetrate into the bottom box platform (1), the inner part of the bottom box platform (1) is fixedly connected with a driving motor (9), and the driving motor (9) is in power connection with the first screw rod (7) and the second screw rod (8).

2. The workpiece fixing mechanism for the numerical control machine tool according to claim 1, characterized in that: the utility model discloses a lead screw structure, including first lead screw (7) and second lead screw (8), the equal fixedly connected with first bevel gear (13) in bottom, the inside rotation of under casing platform (1) is connected with a set of drive shaft (11), the equal fixedly connected with a set of second bevel gear (12) in both ends of drive shaft (11), first bevel gear (13) with the meshing of second bevel gear (12) one-to-one is connected, fixedly connected with first gear (14) on drive shaft (11), fixedly connected with second gear (15) in the axis of rotation of driving motor (9), first gear (14) with second gear (15) meshing is connected.

3. The workpiece fixing mechanism for the numerical control machine tool according to claim 1, characterized in that: two sets of rail platforms (17) of fixedly connected with that are parallel to each other on the inner wall in sliding cavity groove (5), correspond on sliding platform (6) rail platform (17) are provided with the rail groove, rail platform (17) sliding connection be in on the rail groove.

4. The workpiece fixing mechanism for the numerical control machine tool according to claim 2, characterized in that: the inner portion of the bottom box table (1) is fixedly connected with two groups of rotary tables (10), each group of rotary tables (10) is fixedly connected with bearings, and the driving shaft (11) penetrates through the two groups of bearings.

5. The workpiece fixing mechanism for the numerical control machine tool according to claim 1, characterized in that: the bottom surface of each group of the pressing table (3) is fixedly connected with a plurality of groups of spring parts (18), the bottom end of each spring part (18) is fixedly connected with a pressing plate (19), and the bottom surface of each pressing plate (19) is fixedly connected with a rubber pad.

6. The workpiece fixing mechanism for the numerical control machine tool according to claim 1, characterized in that: fixedly connected with multiunit installation piece (20) on bottom box platform (1), be provided with the mounting hole on installation piece (20).

7. The workpiece fixing mechanism for the numerical control machine tool according to claim 2, characterized in that: the bottom surface of the first conical gear (13) is fixedly connected with a stabilizing shaft (16), and the bottom end of the stabilizing shaft (16) is rotatably connected to the inner bottom surface of the bottom box platform (1).