CN216178415U

CN216178415U - CNC numerical control machining center axial positioning device

Info

Publication number: CN216178415U
Application number: CN202122145265.9U
Authority: CN
Inventors: 李珊; 邱孔磊
Original assignee: Suzhou Shendao Electronic Technology Co ltd
Current assignee: Suzhou Shendao Electronic Technology Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-04-05
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses an axial positioning device of a CNC (computer numerical control) machining center, which comprises a mounting plate, a guide rail and a sliding table, wherein the guide rail is fixed on the mounting plate, the sliding table is arranged on the guide rail in a sliding manner, a supporting seat is fixed in the middle of the upper end of the sliding table, a support is fixed on the outer side of the upper end of the sliding table, side clamping plates are arranged on the left side and the right side of the inner side of the support, and knobs are rotatably connected to the left end and the right end of the support. Through placing the work piece on the supporting seat, rotate the knob afterwards, the knob drives two-way threaded rod and rotates, along with two-way threaded rod and side plate threaded connection, and make the side plate grasp the work piece on the supporting seat in advance, later rotate the hand wheel, the hand wheel drives the screw rod and rotates, along with screw rod and support screw-thread fit, and make the top splint move down and compress tightly the work piece on the supporting seat, thereby the stability of location work piece has been improved, in order to solve present CNC machining center axial positioner, when carrying out the work piece location, stability is relatively poor, and the comparatively inconvenient problem of horizontal adjustment work piece.

Description

CNC numerical control machining center axial positioning device

Technical Field

The utility model belongs to the technical field of CNC (computerized numerical control) machining centers, and particularly relates to an axial positioning device of a CNC machining center.

Background

The machining center is developed from a numerical control milling machine, the greatest difference from the numerical control milling machine is that the machining center has the capability of automatically exchanging machining tools, and the machining tools on the main shaft can be changed through the automatic tool changing device in one-time clamping by installing tools with different purposes on the tool magazine, so that various machining functions are realized. When the axial positioning device of the current CNC machining center is used for positioning workpieces, the stability is poor, and the horizontal adjustment of the workpieces is inconvenient, so that the practicability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides an axial positioning device of a CNC (computer numerical control) machining center, which aims to solve the problems of poor stability and inconvenience in horizontal adjustment of workpieces when the conventional axial positioning device of the CNC machining center is used for positioning the workpieces.

The axial positioning device comprises a mounting plate, a guide rail and a sliding table, wherein the guide rail is fixed on the mounting plate, the sliding table is arranged on the guide rail in a sliding manner, a supporting seat is fixed in the middle of the upper end of the sliding table, a support is fixed on the outer side of the upper end of the sliding table, side clamping plates are arranged on the left side and the right side of the inner side of the support, knobs are rotationally connected to the left end and the right end of the support, a bidirectional threaded rod is fixed between the knobs and penetrates through the support, the side clamping plates and the supporting seat in sequence, the bidirectional threaded rod is in threaded connection with the side clamping plates, a top clamping plate is arranged above the inner side of the support, the upper end of the top clamping plate is connected with a screw through a bearing, the tail end of the screw penetrates through the support and is in threaded connection with the support, and a hand wheel is arranged at the tail end of the screw;

the equal level in both ends is opened there is at least three slot about the guide rail, the spring groove has all been opened at both ends about the slip table inboard, the spring groove tank bottom is fixed with the electro-magnet, the spring groove tank bottom just is located the electro-magnet outside and is fixed with the spring, the spring end-to-end connection has the iron set, the iron set end extends the spring groove and pegs graft with the slot.

Preferably, the upper end of the side clamping plate is in sliding connection with the top of the inner side of the support, and the lower end of the side clamping plate is in sliding connection with the upper end of the sliding table.

Preferably, the left end and the right end of the top clamping plate are connected with the left end and the right end of the inner wall of the support in a sliding mode, the middle of the side clamping plate is provided with a slide way, the top clamping plate transversely penetrates through the slide way, and the front end and the rear end of the top clamping plate are connected with the front end and the rear end of the inner wall of the slide way in a sliding mode.

Preferably, rubber pads are bonded to the lower end of the top clamping plate and the upper end of the supporting seat.

Preferably, a button is installed at the left end of the sliding table and electrically connected with the electromagnet.

Preferably, roller frames are fixed to four corners of the lower end of the sliding table, rollers are rotatably connected to the inner sides of the roller frames, and the rollers are in rolling connection with the upper ends of the mounting plates.

The workpiece is placed on the supporting seat, then the knob is rotated, the knob drives the bidirectional threaded rod to rotate, the workpiece on the supporting seat is clamped in advance by the side clamping plate along with the threaded connection of the bidirectional threaded rod and the side clamping plate, then the hand wheel is rotated, the hand wheel drives the screw rod to rotate, and the top clamping plate moves downwards to press the workpiece on the supporting seat along with the threaded fit of the screw rod and the bracket, so that the stability of positioning the workpiece is improved;

when the workpiece needs to be horizontally adjusted, the button is pressed, the electromagnet is electrified to suck the iron rod into the spring groove, then the sliding table can be horizontally moved back and forth, after the button is loosened, the electromagnet is powered off, the iron rod is inserted into the slot of the guide rail in a bouncing manner by the spring, the horizontal adjustment of the workpiece is completed at the moment, and the horizontal adjustment is convenient.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a schematic overall cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention.

In the figure: the device comprises a mounting plate 1, a guide rail 2, a sliding table 3, a support 4, a bidirectional threaded rod 5, a knob 6, a lateral clamping plate 7, a supporting seat 8, a top clamping plate 9, a rubber pad 10, a screw rod 11, a hand wheel 12, a button 13, a slideway 14, a spring groove 15, a spring 16, an electromagnet 17, an iron rod 18, a slot 19, a roller frame 20 and a roller 21.

Detailed Description

As shown in fig. 1-3, a CNC numerical control machining center axial positioning device comprises a mounting plate 1, a guide rail 2 and a sliding table 3, wherein the guide rail 2 is fixed on the mounting plate 1, the sliding table 3 is slidably arranged on the guide rail 2, a supporting seat 8 is fixed at the middle part of the upper end of the sliding table 3, a bracket 4 is fixed at the outer side of the upper end of the sliding table 3, side clamping plates 7 are respectively arranged at the left and right sides of the inner side of the bracket 4, knobs 6 are rotatably connected at the left and right ends of the bracket 4, a bidirectional threaded rod 5 is fixed between the knobs 6, the bidirectional threaded rod 5 sequentially penetrates through the bracket 4, the side clamping plates 7 and the supporting seat 8, the bidirectional threaded rod 5 is in threaded connection with the side clamping plates 7, a top clamping plate 9 is arranged above the inner side of the bracket 4, the upper end of the top clamping plate 9 is connected with a screw rod 11 through a bearing, and the tail end of the screw rod 11 penetrates through the bracket 4 and is in threaded connection with the bracket 4, the tail end of the screw rod 11 is provided with a hand wheel 12, the upper end of the side clamping plate 7 is in sliding connection with the top of the inner side of the support 4, the lower end of the side clamping plate 7 is in sliding connection with the upper end of the sliding table 3, the left end and the right end of the top clamping plate 9 are in sliding connection with the left end and the right end of the inner wall of the support 4, the middle of the side clamping plate 7 is provided with a slideway 14, the top clamping plate 9 transversely penetrates through the slideway 14, the front end and the rear end of the top clamping plate 9 are in sliding connection with the front end and the rear end of the inner wall of the slideway 14, firstly, a workpiece is placed on the support seat 8, then the knob 6 is rotated, the knob 6 drives the bidirectional threaded rod 5 to rotate, the bidirectional threaded rod 5 is in threaded connection with the side clamping plate 7, so that the side clamping plate 7 is close to enable the side clamping plate 7 to clamp the workpiece on the support seat 8 in advance, then the hand wheel 12 is rotated, the hand wheel 12 drives the screw rod 11 to rotate, and the top clamping plate 9 is in threaded connection with the screw rod 11 and the support 4, so that the workpiece on the support seat 8 is pressed downwards, and the top clamping plate 9 moves downwards along the slide way 14 of the side clamping plate 7, thus improving the stability of positioning the workpiece;

rubber pads 10 are bonded at the lower end of the top clamping plate 9 and the upper end of the supporting seat 8, and when the top clamping plate 9 and the supporting seat 8 are matched to clamp a workpiece, the friction force between the workpiece and the top clamping plate 9 and the supporting seat 8 can be improved through the rubber pads 10;

the equal level in both ends is opened there are at least three slot 19 about guide rail 2, spring groove 15 has all been opened at both ends about slip table 3 inboard, spring groove 15 tank bottom is fixed with electro-magnet 17, spring groove 15 tank bottom just is located the electro-magnet 17 outside and is fixed with spring 16, spring 16 end-to-end connection has iron set 18, iron set 18 end extends spring groove 15 and pegs graft with slot 19, button 13 is installed to slip table 3 left end, button 13 and electro-magnet 17 electric connection, when needing the horizontal adjustment work piece, through pressing button 13, make electro-magnet 17 circular telegram inhale spring groove 15 with iron set 18, iron set 18 can extrude spring 16 for iron set 18 shifts out slot 19, just can the horizontal migration slip table 3 around afterwards, after loosening button 13 like this, electro-magnet 17 can cut off the power supply, iron set 18 can be inside the slot 19 of guide rail 2 is being inserted by spring 16 bullet, the horizontal adjustment of the workpiece is completed at the moment, so that the horizontal adjustment is more convenient;

the four corners of the lower end of the sliding table 3 are all fixed with roller frames 20, the inner sides of the roller frames 20 are rotatably connected with rollers 21, the rollers 21 are in rolling connection with the upper end of the mounting plate 1, and when the sliding table 3 is moved horizontally, the rollers 21 of the roller frames 20 roll with the mounting plate 1, so that the sliding table 3 is more beneficial to workers to slide.

Claims

1. The utility model provides a CNC numerical control machining center axial positioning device, includes mounting panel (1), guide rail (2) and slip table (3), guide rail (2) are fixed on mounting panel (1), slip table (3) slide to set up on guide rail (2), its characterized in that:

a supporting seat (8) is fixed in the middle of the upper end of the sliding table (3), a support (4) is fixed on the outer side of the upper end of the sliding table (3), side clamping plates (7) are arranged on the left side and the right side of the inner side of the support (4), knobs (6) are rotatably connected to the left end and the right end of the support (4), a bidirectional threaded rod (5) is fixed between the knobs (6), the bidirectional threaded rod (5) sequentially penetrates through the support (4), the side clamping plates (7) and the supporting seat (8), the bidirectional threaded rod (5) is in threaded connection with the side clamping plates (7), a top clamping plate (9) is arranged above the inner side of the support (4), a screw rod (11) is connected to the upper end of the top clamping plate (9) through a bearing, the tail end of the screw rod (11) penetrates through the support (4) and is in threaded connection with the support (4), and a hand wheel (12) is arranged at the tail end of the screw rod (11);

the equal level in both ends is opened there are at least three slot (19) about guide rail (2), both ends are all opened spring groove (15) about slip table (3) inboard, spring groove (15) tank bottom is fixed with electro-magnet (17), spring groove (15) tank bottom just is located electro-magnet (17) outside and is fixed with spring (16), spring (16) end-to-end connection has iron pole (18), iron pole (18) end is extended spring groove (15) and is pegged graft with slot (19).

2. The CNC numerical control machining center axial positioning apparatus of claim 1 wherein: side splint (7) upper end and support (4) inboard top sliding connection, side splint (7) lower extreme and slip table (3) upper end sliding connection.

3. The CNC numerical control machining center axial positioning apparatus of claim 1 wherein: both ends sliding connection about both ends and support (4) inner wall about top splint (9), side splint (7) middle part is equipped with slide (14), top splint (9) cross slide (14), both ends and slide (14) inner wall front and back both ends sliding connection around top splint (9).

4. The CNC numerical control machining center axial positioning apparatus of claim 1 wherein: rubber pads (10) are bonded to the lower end of the top clamping plate (9) and the upper end of the supporting seat (8).

5. The CNC numerical control machining center axial positioning apparatus of claim 1 wherein: button (13) are installed to slip table (3) left end, button (13) and electro-magnet (17) electric connection.

6. The CNC numerical control machining center axial positioning apparatus of claim 1 wherein: roller frames (20) are fixed at four corners of the lower end of the sliding table (3), a roller (21) is rotatably connected to the inner side of each roller frame (20), and the roller (21) is in rolling connection with the upper end of the mounting plate (1).