CN212886212U

CN212886212U - Numerical control machining center pneumatic rotary worktable based on permanent magnet rapid positioning method

Info

Publication number: CN212886212U
Application number: CN202021294180.6U
Authority: CN
Inventors: 许剑挺; 许剑明; 赵鹏飞
Original assignee: Taizhou Huangyan Hongte Precision Mould Co ltd
Current assignee: Taizhou Huangyan Hongte Precision Mould Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-04-06
Anticipated expiration: 2030-07-03

Abstract

The utility model provides a numerical control machining center pneumatic rotary table based on quick location method of permanent magnet belongs to the digit control machine tool field. The rotary table comprises a base, the base in be equipped with rotation pneumatic motor, the tip of rotation pneumatic motor's output shaft be equipped with the reversing disc that is located the base top, the reversing disc on be equipped with the revolving platform, the revolving platform on be equipped with a plurality of permanent magnet, the revolving disc extend the revolving platform, and the outer lane of revolving disc is equipped with the scale circle, the scale circle correspond and have the pointer, pointer and base between link to each other through slewing mechanism, slewing mechanism drive the central line that the pointer used the reversing disc and rotate as the center. The rotary dial has the advantages that the pointer of the scale ring moves relatively, so that the rotating angle of the rotary dial is accurately controlled through the scale number on the scale ring. The pointer rotates, so that the pointer is reset to the '0' scale position of the scale ring, and the next time of rotating the rotary disc is accurately controlled.

Description

Numerical control machining center pneumatic rotary worktable based on permanent magnet rapid positioning method

Technical Field

The utility model belongs to the digit control machine tool field especially relates to a numerical control machining center pneumatic rotary table based on quick positioning method of permanent magnet.

Background

When processing the iron sheet, it is necessary to process different parts of the iron sheet, and usually, the iron sheet is rotated and moved manually to process different parts. Although the method improves the working efficiency, the precision is still improved, and when the rotary table is rotated, the rotary table may be rotated over the head or not rotated by a specified angle.

For example, chinese patent document discloses a rotary table [ patent application No.: cn201320272913.x ], which includes a work table, a turbine member, a scroll member, a clutch disc, and a base; the working table top, the turbine component and the worm component are arranged on the base, and the worm component is provided with a clutch disc for controlling the clutch of the turbine component and the worm component. The utility model increases the usability and the service life of the product; the utility model has the advantages that the clutch adjustment of the worm rod and the worm wheel is convenient; the utility model discloses a convenient to use is reliable, and this utility model's locking member can effectively lock fixed table surface when table surface stops working. However, this utility model is not provided with a device for determining the rotation angle, and may rotate over the head or not rotate by a predetermined angle when rotating the turntable.

Disclosure of Invention

The utility model aims at the above-mentioned problem, a numerical control machining center pneumatic rotary table based on quick location method of permanent magnet is provided.

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

the utility model provides a pneumatic rotary worktable of numerical control machining center based on quick positioning method of permanent magnet, includes the frame, the frame in be equipped with rotation pneumatic motor, the tip of rotation pneumatic motor's output shaft be equipped with the reversing disc that is located the frame top, the reversing disc on be equipped with the reversing table, the reversing table on be equipped with a plurality of permanent magnet, the reversing disc extend the reversing table, and the outer lane of reversing disc is equipped with the scale circle, the scale circle correspond and have the pointer, pointer and frame between link to each other through slewing mechanism, slewing mechanism drive the central line that the pointer used the reversing disc and rotate as the center.

In foretell numerical control machining center pneumatic rotary table based on permanent magnet quick positioning method, slewing mechanism include the pointer carousel, the pointer carousel be located the downside of gyration dish, and the pointer carousel rotates with the frame to be connected, the diameter of pointer carousel be more than or equal to the diameter of gyration dish, the outer lane of pointer carousel on be equipped with the connecting rod, the connecting rod vertical upwards extend, just the top of connecting rod link to each other with the pointer, the pointer be located the scale circle directly over.

In foretell numerical control machining center pneumatic rotary table based on permanent magnet quick positioning method, pointer carousel inner circle on be equipped with a plurality of movable fixture block, movable fixture block can be along pointer carousel radial movement, the top of frame be equipped with the circle of supporting that a round and a plurality of movable fixture block offset, the circle of supporting have a plurality of convex surface and concave surface, and a plurality of convex surface and concave surface set up in proper order each other crisscrossly.

In the numerical control machining center pneumatic rotary table based on the permanent magnet rapid positioning method, a plurality of movable cavities corresponding to the movable clamping blocks in a one-to-one mode are arranged in the inner ring of the pointer turntable, the movable clamping blocks extend into the movable cavities, and springs are arranged between the end portions of the movable clamping blocks extending into the movable cavities and the movable cavities.

In the numerical control machining center pneumatic rotary table based on the permanent magnet quick positioning method, the convex surfaces are arc-shaped, the concave surfaces are positioned at the cross connection part of the two adjacent convex surfaces, and the movable clamping block and the end surface abutted by the abutting ring are arc-shaped.

In the numerical control machining center pneumatic rotary table based on the permanent magnet rapid positioning method, the outer ring of the pointer turntable is provided with a plurality of holding rods.

In the numerical control machining center pneumatic rotary table based on the permanent magnet quick positioning method, the outer ring of the pointer turntable is provided with a plurality of first thin racks, the outer ring of the pointer turntable abuts against a straight moving plate, the side face of the straight moving plate abutting against the pointer turntable is provided with a plurality of second thin racks, and the pointer turntable and the straight moving plate are meshed and connected with the second thin racks through the first thin racks.

In foretell numerical control machining center pneumatic rotary table based on permanent magnet quick positioning method, the side of pointer carousel have the piece that links to each other of setting on the frame, the piece that links to each other in be equipped with the chamber that links to each other of opening towards the frame, the pointer carousel extend into the intracavity that links to each other, the straight movable plate run through the chamber that links to each other and can be along linking to each other chamber reciprocating motion, the side that the straight movable plate does not link to each other with the pointer carousel all with linking to each other intracavity wall counterbalance.

In the numerical control machining center pneumatic rotary table based on the permanent magnet rapid positioning method, the inner wall of the connecting cavity is provided with an I-shaped movement limiting strip which is movably connected with the straight moving plate.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses well outer lane of gyration dish is equipped with the scale circle, the scale circle correspond and have the pointer, link to each other through slewing mechanism between pointer and the frame. The pointer of the graduated ring moves relatively, so that the rotating angle of the rotary disc is accurately controlled through the graduation number on the graduated ring. When the rotation of the rotating disc is finished, the rotating mechanism drives the pointer to rotate by taking the central line of the rotating disc as the center, so that the pointer is reset to the '0' scale position of the scale ring, and the next time of rotating the rotating disc is accurately controlled.

Drawings

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

FIG. 2 is an overall schematic view of the first embodiment;

FIG. 3 is a schematic cross-sectional view A-A of FIG. 2;

FIG. 4 is an overall schematic view of the second embodiment;

FIG. 5 is a schematic cross-sectional view of B-B in FIG. 4.

In the figure: the device comprises a base 10, a rotary pneumatic motor 11, a rotary disc 12, a rotary table 13, a permanent magnet 14, a graduated ring 15, a pointer 16, a rotating mechanism 17, a pointer rotary table 18, a connecting rod 19, a movable clamping block 20, a pushing ring 21, a convex surface 22, a concave surface 23, a movable cavity 24, a spring 25, a hand-held rod 26, a first thin rack 27, a straight moving plate 28, a second thin rack 29, a connecting block 30, a connecting cavity 31 and a movement limiting strip 32.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example one

Referring to fig. 1-3, a numerical control machining center pneumatic rotary table based on a permanent magnet rapid positioning method comprises a base 10, wherein a rotary pneumatic motor 11 is arranged in the base 10, a rotary disc 12 located above the base 10 is arranged at the end of an output shaft of the rotary pneumatic motor 11, a rotary table 13 is arranged on the rotary disc 12, a plurality of permanent magnets 14 are arranged on the rotary table 13, the rotary disc 12 extends out of the rotary table 13, a scale ring 15 is arranged on the outer ring of the rotary disc 12, a pointer 16 is correspondingly arranged on the scale ring 15, the pointer 16 is connected with the base 10 through a rotating mechanism 17, and the rotating mechanism 17 drives the pointer 16 to rotate by taking the center line of the rotary disc 12 as the center.

The utility model discloses in, permanent magnet 14 has magnetism, can adsorb the iron sheet of waiting to process on permanent magnet 14 to fixed iron sheet is processed the iron sheet. In order to improve the processing precision, in the process of rotating the rotary table 13, the rotating mechanism 17 does not work to keep the pointer 16 in a stationary state, the rotary pneumatic motor 11 works to enable the rotary disc 12 to rotate with the rotary table 13, the pointer 16 of the scale ring 15 moves relatively, and the rotating angle of the rotary disc 12 is accurately controlled through the scale number on the scale ring 15. When the rotation of the rotary disk 12 is completed, the rotating mechanism 17 drives the pointer 16 to rotate around the central line of the rotary disk 12, so that the pointer 16 is reset to the '0' scale position of the scale ring 15, and the precise control of the next rotation of the rotary disk 12 is facilitated.

The rotating mechanism 17 comprises a pointer rotating disc 18, the pointer rotating disc 18 is located on the lower side of the rotary disc 12, the pointer rotating disc 18 is rotatably connected with the machine base 10, the diameter of the pointer rotating disc 18 is larger than or equal to that of the rotary disc 12, a connecting rod 19 is arranged on the outer ring of the pointer rotating disc 18, the connecting rod 19 extends vertically upwards, the top end of the connecting rod 19 is connected with the pointer 16, and the pointer is located right above the graduated ring 15.

The utility model discloses in, when observing the scale number, only need the staff to look down pointer 16 can. The pointer turntable 18 is connected with the machine base 10 through a ball bearing, the inner ring of the ball bearing is fixedly connected with the machine base 10, and the outer ring of the rolling bearing is fixedly connected with the pointer turntable 18.

As shown in fig. 2 and fig. 3, the inner ring of the pointer rotation plate 18 is provided with a plurality of movable fixture blocks 20, the movable fixture blocks 20 can move along the radial direction of the pointer rotation plate 18, the top end of the machine base 10 is provided with a ring of supporting rings 21 which are abutted against the plurality of movable fixture blocks 20, each supporting ring 21 is provided with a plurality of convex surfaces 22 and a plurality of concave surfaces 23, and the plurality of convex surfaces 22 and the plurality of concave surfaces 23 are sequentially arranged in a staggered manner.

In this embodiment, when the position of the pointer 16 is adjusted, the pointer dial 18 is rotated to slide the movable fixture 20 on the abutting ring 21, when the movable fixture 20 abuts against the concave surface 23, the pointer 16 is located right above a certain scale on the scale ring 15, and every two adjacent concave surfaces 23 correspond to two adjacent scales.

A plurality of movable cavities 24 corresponding to the movable fixture blocks 20 one by one are arranged in the inner ring of the pointer turntable 18, the movable fixture blocks 20 extend into the movable cavities 24, and a spring 25 is arranged between the end part of the movable fixture block 20 extending into the movable cavity 24 and the movable cavity 24.

In this embodiment, the movable latch 20 is pressed against the abutting ring 21 by the spring 25, when the movable latch 20 abuts against the concave surface 23, the movable latch 20 is clamped between two adjacent convex surfaces 22 by the spring 25, and the movable latch 20 cannot slide on the abutting ring 21 and onto the next concave surface 23 against the force of the spring 25 without the action of an external force. The pointer 16 is prevented from shaking, and the processing precision is improved.

The convex surface 22 is arc-shaped, the concave surface 23 is located at the cross connection position of two adjacent convex surfaces 22, and the end surface of the movable fixture block 20 abutting against the abutting ring 21 is arc-shaped.

In the present embodiment, the movable latch 20 is prevented from being locked or jammed on the stop ring 20, so as to improve the smoothness.

The outer circle of the pointer rotating disc 18 is provided with a plurality of holding rods 26.

In this embodiment, when adjusting the position of the pointer 16, it is convenient to rotate the pointer dial 18 by rotating the holding rod 26 without extending the hand to the lower side of the rotary disk 12 to directly rotate the pointer dial 18.

Example two

The structure and the working principle of the embodiment are basically the same as those of the embodiment 1, and the difference is that, as shown in fig. 1, 4 and 5, a plurality of first thin racks 27 are arranged on the outer ring of the pointer turntable 18, a straight moving plate 28 is abutted on the outer ring of the pointer turntable 18, a plurality of second thin racks 29 are arranged on the side surface of the straight moving plate 28 abutted against the pointer turntable 18, and the pointer turntable 18 and the straight moving plate 28 are meshed and connected with the second thin racks 29 through the first thin racks 27.

In the present embodiment, when the position of the pointer 16 is adjusted, the straight moving plate 28 is moved forward or backward along the extending direction of the two ends of the straight moving plate 28, and the pointer dial 18 is rotated by a certain angle by the engagement of the first thin rack 27 and the second thin rack 29, so that the pointer dial 18 is not rotated without moving the straight moving plate 28, the pointer 16 is prevented from shaking, and the processing precision is improved.

The side of pointer carousel 18 have the piece 30 that links that sets up on frame 10, link up the piece 30 in be equipped with the opening and towards the chamber 31 that links up of frame 10, pointer carousel 18 extend into and link up in the chamber 31, straight moving plate 28 run through and link up chamber 31 and can be along linking up chamber 31 reciprocating motion, the side that straight moving plate 28 does not link up with pointer carousel 18 all offset with linking up the chamber 31 inner wall.

In the present embodiment, the movement of the straight moving plate 28 can be restricted, and the straight moving plate 28 is prevented from being disengaged from the pointer dial 18 due to the straight moving plate 28 being away from the pointer dial 18.

The inner wall of the connecting cavity 31 is provided with an I-shaped movement limiting strip 32 which is movably connected with the straight moving plate 28. Further restricting the moving direction of the straight moving plate 28.

The utility model discloses a theory of operation: in order to improve the processing precision, in the process of rotating the rotary table 13, the rotating mechanism 17 does not work to keep the pointer 16 in a stationary state, the rotary pneumatic motor 11 works to enable the rotary disc 12 to rotate with the rotary table 13, the pointer 16 of the scale ring 15 moves relatively, and the rotating angle of the rotary disc 12 is accurately controlled through the scale number on the scale ring 15. When the rotating disc 12 is rotated, the pointer turntable 18 rotates to drive the pointer 16 to rotate around the center line of the rotating disc 12, so that the pointer 16 is reset to the '0' scale position of the scale ring 15, and the precise control of the next rotation of the rotating disc 12 is facilitated.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the base 10, the rotary pneumatic motor 11, the rotary disk 12, the rotary table 13, the permanent magnet 14, the graduated ring 15, the pointer 16, the rotating mechanism 17, the pointer rotating disk 18, the connecting rod 19, the movable clamping block 20, the abutting ring 21, the convex surface 22, the concave surface 23, the movable cavity 24, the spring 25, the holding rod 26, the first thin rack 27, the straight moving plate 28, the second thin rack 29, the connecting block 30, the connecting cavity 31, the movement limiting strip 32, etc., are used more frequently herein, these terms are merely used to more conveniently describe and explain the essence of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A numerical control machining center pneumatic rotary worktable based on a permanent magnet rapid positioning method comprises a machine base (10), it is characterized in that a rotary pneumatic motor (11) is arranged in the machine base (10), the end part of the output shaft of the rotary pneumatic motor (11) is provided with a rotary disk (12) positioned above the base (10), a rotary table (13) is arranged on the rotary disc (12), a plurality of permanent magnets (14) are arranged on the rotary table (13), the rotary disc (12) extends out of the rotary table (13), and the outer ring of the rotary disk (12) is provided with a graduated ring (15), the graduated ring (15) is correspondingly provided with a pointer (16), the pointer (16) is connected with the machine base (10) through a rotating mechanism (17), the rotating mechanism (17) drives the pointer (16) to rotate by taking the central line of the rotary disk (12) as the center.

2. The numerical control machining center pneumatic rotary table based on the permanent magnet rapid positioning method according to claim 1, characterized in that the rotating mechanism (17) comprises a pointer rotary table (18), the pointer rotary table (18) is located on the lower side of the rotary table (12), the pointer rotary table (18) is rotatably connected with the base (10), the diameter of the pointer rotary table (18) is larger than or equal to the diameter of the rotary table (12), a connecting rod (19) is arranged on the outer ring of the pointer rotary table (18), the connecting rod (19) extends vertically upwards, the top end of the connecting rod (19) is connected with a pointer (16), and the pointer is located right above the scale ring (15).

3. The numerical control machining center pneumatic rotary table based on the permanent magnet quick positioning method as claimed in claim 2, wherein a plurality of movable clamping blocks (20) are arranged on an inner ring of the pointer turntable (18), the movable clamping blocks (20) can move along the pointer turntable (18) in the radial direction, a circle of abutting ring (21) abutting against the movable clamping blocks (20) is arranged at the top end of the machine base (10), the abutting ring (21) is provided with a plurality of convex surfaces (22) and concave surfaces (23), and the convex surfaces (22) and the concave surfaces (23) are sequentially arranged in a staggered manner.

4. The numerical control machining center pneumatic rotary table based on the permanent magnet rapid positioning method according to claim 3, characterized in that a plurality of movable cavities (24) corresponding to the movable fixture blocks (20) one by one are arranged in the inner ring of the pointer rotary table (18), the movable fixture blocks (20) extend into the movable cavities (24), and springs (25) are arranged between the ends of the movable fixture blocks (20) extending into the movable cavities (24) and the movable cavities (24).

5. The numerical control machining center pneumatic rotary table based on the permanent magnet rapid positioning method as claimed in claim 3, wherein the convex surface (22) is arc-shaped, the concave surface (23) is located at the intersection of two adjacent convex surfaces (22), and the end surface of the movable fixture block (20) abutting against the abutting ring (21) is arc-shaped.

6. The numerical control machining center pneumatic rotary table based on the permanent magnet rapid positioning method according to claim 3, characterized in that a plurality of holding rods (26) are arranged on the outer ring of the pointer rotary table (18).

7. The numerical control machining center pneumatic rotary table based on the permanent magnet rapid positioning method as claimed in claim 2, characterized in that a plurality of first thin racks (27) are arranged on the outer ring of the pointer turntable (18), a straight moving plate (28) abuts against the outer ring of the pointer turntable (18), a plurality of second thin racks (29) are arranged on the side face of the straight moving plate (28) abutting against the pointer turntable (18), and the pointer turntable (18) and the straight moving plate (28) are meshed and connected with the second thin racks (29) through the first thin racks (27).

8. The numerical control machining center pneumatic rotary table based on the permanent magnet quick positioning method as claimed in claim 7, wherein the side surface of the pointer rotary table (18) is provided with a connecting block (30) arranged on the machine base (10), a connecting cavity (31) with an opening facing the machine base (10) is formed in the connecting block (30), the pointer rotary table (18) extends into the connecting cavity (31), the straight moving plate (28) penetrates through the connecting cavity (31) and can move back and forth along the connecting cavity (31), and the side surface of the straight moving plate (28) which is not connected with the pointer rotary table (18) is abutted against the inner wall of the connecting cavity (31).

9. The pneumatic rotary table of the numerical control machining center based on the permanent magnet rapid positioning method as claimed in claim 8, wherein an I-shaped movement limiting bar (32) movably connected with the straight moving plate (28) is arranged on the inner wall of the connecting cavity (31).