CN210281511U

CN210281511U - Precision zero point positioning device

Info

Publication number: CN210281511U
Application number: CN201921184715.1U
Authority: CN
Inventors: 朱晓锋; 唐伟; 高海峰
Original assignee: Jieweite Technology (suzhou) Co Ltd
Current assignee: Jieweite Technology (suzhou) Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-04-10
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses an accurate zero point positioner, including pneumatic control unit and location clamping device, pneumatic control unit includes an outlet duct, an intake pipe and brake valve lever, the intake pipe is the connected state with the outlet duct, brake valve lever locates on intake pipe and the outlet duct, and this connected state's intercommunication and disconnection can be controlled in this brake valve lever's rotation, the end of giving vent to anger of outlet duct is connected on location clamping device. The utility model discloses can realize quick location and dress and press from both sides connecting piece such as tool, stability is good, trades a lot of and presss from both sides repeatedly the location, and the precision is high, and the precision can reach 0.005mm, and the dismouting is simple and convenient simultaneously, and machine down time is short, can save dismouting time, reduces workman intensity of labour, promotes machining efficiency.

Description

Precision zero point positioning device

Technical Field

The utility model relates to an accurate zero positioner belongs to the numerical control processing field.

Background

The numerical control machine tool adopts a numerical control system to automatically control actions of cutting, feeding and the like of the machine tool, can realize accurate control of cutting amount, and can greatly improve the production efficiency. The machining center is a numerical control machine tool with higher automation degree, can combine the seed alignment procedures of milling, drilling and the like, has multiple procedures of one-time cutting and forming, has extremely high automation degree, and can be used for manufacturing and machining equipment, such as an injection mold, a large number of through holes, blind holes, threaded holes, step counter bores, groove and tenon rail structures with different shapes, such as grooves, tenons, rabbets, slide rails, slide grooves and the like, need to be drilled, tapped and milled on a workpiece, the prior art utilizes a numerical control machining center to drill, tap and mill the groove and tenon rail structures while machining the molded surface structure of the workpiece, and the numerical control machining center is a general and expensive cutting machining device, when different products are machined, different tool fixtures are needed, the clamping precision of the existing tool fixture is low, especially the precision consistency cannot be guaranteed by repeated clamping, and the machining precision of the products is seriously influenced.

Disclosure of Invention

The utility model aims at providing an accurate zero point positioner, this accurate zero point positioner can realize quick location and press from both sides connecting piece such as tool, and stability is good, trades a lot of and presss from both sides repeatedly and can fix a position, and the precision is high, and the precision can reach 0.005mm, and the dismouting is simple and convenient simultaneously, and machine down time is short, can save dismouting time, reduces workman intensity of labour, promotes machining efficiency.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a precise zero positioning device comprises a pneumatic control unit, a four-axis numerical control rotary table and a positioning clamping device, wherein the pneumatic control unit is connected to the four-axis numerical control rotary table and comprises an air outlet pipe, an air inlet pipe and a control handle, the air inlet pipe and the air outlet pipe are in a communicated state, the control handle is arranged on the air inlet pipe and the air outlet pipe, the communication and disconnection of the communicated state can be controlled by the rotation of the control handle, and the air outlet end of the air outlet pipe is connected to the positioning clamping device;

the positioning and clamping device comprises an upper base, a lower base, a movable block and springs, wherein the upper base is connected with the lower base, a cylindrical cavity is formed in the middle of the upper base, the movable block capable of moving up and down relative to the upper base and the lower base is arranged in the cavity, a positioning column is arranged in the middle of the movable block and connected to the lower base, a plurality of springs are uniformly arranged between the movable block and the lower base, the springs are circumferentially arranged along the positioning column, through holes communicated with the cavity are formed in the central axis of the upper base, positioning pins can be connected to the grooves of the positioning column through the through holes, and a plurality of balls distributed along the circumferential direction are arranged between the positioning pins and the movable block.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the movable block and the tapered groove arranged on the opposite side of the upper base, when the spring is compressed, and the movable block moves towards the lower base side, the ball can enter the tapered groove.

2. In the scheme, the upper base and the lower base in the positioning and clamping device are connected together through the bolt, the lower base is of a T-shaped table structure, and a plurality of third locking screw holes are formed in an outer circular table of the T-shaped table.

3. In the above scheme, the upper base of the positioning and clamping device is provided with two third positioning pin holes.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model discloses a precise zero point positioning device, which comprises a pneumatic control unit and a positioning clamping device, wherein the pneumatic control unit comprises an air outlet pipe, an air inlet pipe and a control handle, the air inlet pipe and the air outlet pipe are in a communicated state, the control handle is arranged on the air inlet pipe and the air outlet pipe, the communication and disconnection of the communicated state can be controlled by the rotation of the control handle, the air outlet end of the air outlet pipe is connected on the positioning clamping device, the clamping and loosening of the positioning clamping device can be manually controlled, the positioning clamping device is simple and easy to operate, meanwhile, the positioning clamping device comprises an upper base, a lower base, a movable block and a spring, the upper base is connected with the lower base, a cylindrical cavity is formed in the middle, the movable block which can move up and down relative to the upper base and the lower base is arranged in the cavity, a positioning column is, evenly be equipped with many springs between movable block and the lower base, the spring is the circumference along the reference column and arranges, be equipped with on the upper base axis with the through-hole of cavity intercommunication, can supply the locating pin to pass the through-hole and connect in the recess of reference column, be equipped with between locating pin and the movable block along a plurality of balls of circumference distribution, can realize quick location and press from both sides connecting piece such as tool, stability is good, trades many times and presss from both sides repeatedly and fix a position, and the precision is high, and the precision can reach 0.005mm, and the dismouting is simple and convenient simultaneously, and machine down time is short, can save dismouting time, reduces workman intensity of labour.

Drawings

FIG. 1 is a schematic structural view of the precise zero point positioning device of the present invention;

FIG. 2 is a schematic structural view of a positioning and clamping device in the precision zero-point positioning device of the present invention;

figure 3 is the utility model discloses location clamping device cross-sectional view among the accurate zero point positioner.

In the above drawings: 1. a pneumatic control unit; 101. an air outlet pipe; 102. an air inlet pipe; 103. a control handle; 2. a four-axis numerical control turntable; 4. positioning and clamping devices; 401. an upper base; 402. a lower base; 403. a movable block; 404. a spring; 405. a ball bearing; 406. a positioning column; 407. a third locking screw hole; 408. a third dowel hole; 10. and a positioning pin.

Detailed Description

Example 1: a precise zero positioning device comprises a pneumatic control unit 1, a four-axis numerical control rotary table 2 and a positioning and clamping device 4, wherein the pneumatic control unit 1 is connected to the four-axis numerical control rotary table 2, the pneumatic control unit 1 comprises an air outlet pipe 101, an air inlet pipe 102 and a control handle 103, the air inlet pipe 102 is communicated with the air outlet pipe 101, the control handle 103 is arranged on the air inlet pipe 102 and the air outlet pipe 101, the communication and disconnection of the communicated state can be controlled by the rotation of the control handle 103, and the air outlet end of the air outlet pipe 101 is connected to the positioning and clamping device 4;

the positioning and clamping device 4 comprises an upper base 401, a lower base 402, a movable block 403 and springs 404, wherein the upper base 401 is connected with the lower base 402, a cylindrical cavity is formed in the middle of the upper base 401, the movable block 403 capable of moving up and down relative to the upper base 401 and the lower base 402 is arranged in the cavity, a positioning column 406 is arranged in the middle of the movable block 403, the positioning column 406 is connected onto the lower base 402, a plurality of springs 404 are uniformly arranged between the movable block 403 and the lower base 402, the springs 404 are circumferentially arranged along the positioning column 406, through holes communicated with the cavity are formed in the central axis of the upper base 401, positioning pins 10 can penetrate through holes to be connected into grooves of the positioning column 406, and a plurality of balls 405 circumferentially distributed are arranged between the positioning pins 10 and the movable block 403.

A tapered groove is formed on the side of the movable block 403 opposite to the upper base 401, and when the spring 404 is compressed and the movable block 403 moves toward the lower base 402, the ball 405 can enter the tapered groove; in the positioning and clamping device 4, the upper base 401 and the lower base 402 are connected together through bolts, the lower base 402 is of a T-shaped table structure, and a plurality of third locking screw holes 407 are formed in an outer circular table of the T-shaped table.

Example 2: a precise zero positioning device comprises a pneumatic control unit 1, a four-axis numerical control rotary table 2 and a positioning and clamping device 4, wherein the pneumatic control unit 1 is connected to the four-axis numerical control rotary table 2, the pneumatic control unit 1 comprises an air outlet pipe 101, an air inlet pipe 102 and a control handle 103, the air inlet pipe 102 is communicated with the air outlet pipe 101, the control handle 103 is arranged on the air inlet pipe 102 and the air outlet pipe 101, the communication and disconnection of the communicated state can be controlled by the rotation of the control handle 103, and the air outlet end of the air outlet pipe 101 is connected to the positioning and clamping device 4;

A tapered groove is formed on the side of the movable block 403 opposite to the upper base 401, and when the spring 404 is compressed and the movable block 403 moves toward the lower base 402, the ball 405 can enter the tapered groove; the upper base 401 of the positioning and clamping device 4 is provided with two third positioning pin holes 408.

When the fixture is adopted, the clamping device can be manually controlled to clamp and loosen, the fixture is simple and easy to operate, meanwhile, connecting pieces such as jigs can be quickly positioned and clamped, the stability is good, the clamp can be repeatedly positioned after being replaced for many times, the precision is high, the precision can reach 0.005mm, the assembly and disassembly are simple and convenient, the machine is short in downtime, the assembly and disassembly time can be saved, the labor intensity of workers is reduced, and the machining efficiency is improved.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a precision zero point positioning device which characterized in that: the pneumatic control device comprises a pneumatic control unit (1), a four-axis numerical control rotary table (2) and a positioning and clamping device (4), wherein the pneumatic control unit (1) is connected to the four-axis numerical control rotary table (2), the pneumatic control unit (1) comprises an air outlet pipe (101), an air inlet pipe (102) and a control handle (103), the air inlet pipe (102) and the air outlet pipe (101) are in a communicated state, the control handle (103) is arranged on the air inlet pipe (102) and the air outlet pipe (101), the communication and disconnection of the communicated state can be controlled by the rotation of the control handle (103), and the air outlet end of the air outlet pipe (101) is connected to the positioning and clamping device (4);

the positioning and clamping device (4) comprises an upper base (401), a lower base (402), a movable block (403) and a spring (404), the upper base (401) and the lower base (402) are connected together, a cylindrical cavity is formed in the middle, a movable block (403) capable of moving up and down relative to the upper base (401) and the lower base (402) is arranged in the cavity, a positioning column (406) is arranged in the middle of the movable block (403), the positioning column (406) is connected on the lower base (402), a plurality of springs (404) are uniformly arranged between the movable block (403) and the lower base (402), the springs (404) are arranged along the circumference of the positioning column (406), a through hole communicated with the cavity is arranged on the central axis of the upper base (401), the positioning pin (10) can pass through the through hole and be connected in the groove of the positioning column (406), a plurality of balls (405) distributed along the circumferential direction are arranged between the positioning pin (10) and the movable block (403).

2. The precision zero positioning device according to claim 1, characterized in that: and when the spring (404) is compressed and the movable block (403) moves towards the lower base (402), the ball (405) can enter the tapered groove.

3. The precision zero positioning device according to claim 1, characterized in that: the upper base (401) and the lower base (402) are connected together through bolts in the positioning and clamping device (4), the lower base (402) is of a T-shaped table structure, and a plurality of third locking screw holes (407) are formed in an outer circular table of the T-shaped table.

4. The precision zero positioning device according to claim 1, characterized in that: and the upper base (401) of the positioning and clamping device (4) is provided with two third positioning pin holes (408).