CN213290000U

CN213290000U - Large-size workpiece positioning tool

Info

Publication number: CN213290000U
Application number: CN202021683167.XU
Authority: CN
Inventors: 戴鑫辉; 赵晓; 李林; 乔石; 姚欢
Original assignee: Qingdao Gaoce Technology Co Ltd
Current assignee: Qingdao Gaoce Technology Co Ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-05-28
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a jumbo size work piece location frock, it includes the tray and sets up the locating pin on the tray, the locating pin sets up to a plurality ofly, there is the locating pin of two kinds of types at least in a plurality of locating pins, it is provided with the locating hole to correspond the locating pin on the jumbo size work piece, the location of realizing the jumbo size work piece is connected through the locating pin cooperation that sets up on the tray and on the work piece to the frock, be provided with positioning center on the tray, a plurality of locating pins equal to positioning center's distance, this frock can carry out accurate location to the work piece under the condition that reduces work piece locating hole processing position precision, has improved positioning efficiency greatly, has reduced because the manufacturing cost that the work piece machining precision was too high and brought, and the installation is dismantled simply simultaneously, has reduced staff's relevant work load.

Description

Large-size workpiece positioning tool

Technical Field

The utility model belongs to location frock field, specifically speaking relate to a jumbo size work piece location frock.

Background

The positioning holes are uniformly distributed along a certain diameter in the process of machining the large-size workpiece, the machining position precision of the positioning holes is inevitably extremely small in error, in the prior art, the uniformly distributed cylindrical positioning pins are often used for positioning, however, when the workpiece with the extremely small error is installed, the problem that the positioning pins and the positioning holes are deviated to cause assembly failure is caused, even the workpiece is positioned excessively, the positioning holes need to be machined again on the workpiece, and the working efficiency is reduced.

Accordingly, further developments and improvements are still needed in the art.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, a positioning tool for a large-sized workpiece is proposed, which can appropriately widen the machining position accuracy of the large-sized workpiece and reliably position the workpiece when the machining position accuracy is low.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a jumbo size work piece location frock, its includes the tray and sets up the locating pin on the tray, the locating pin sets up to a plurality ofly, there are two kinds of locating pins in a plurality of locating pins at least, it is provided with the locating hole to correspond the locating pin on the jumbo size work piece, the frock is connected the location of realizing jumbo size work piece through the locating pin cooperation that sets up on the tray and the locating hole on the work piece, be provided with the location center on the tray, the distance that a plurality of locating pins to the location center equals.

Preferably, the tray is arranged in a disc shape, and the positioning center is arranged at the center of the circle of the tray.

Preferably, the positioning pins are all arranged on a circle with the positioning center as the center of circle, and the distances between adjacent positioning pins on the circle are equal.

Preferably, the number of the positioning pins is three, the distance between any two positioning pins in the three positioning pins is equal, one of the three positioning pins is a cylindrical positioning pin, and the other positioning pins are rhombic positioning pins.

Preferably, the cylindrical positioning pin comprises a first positioning rod connected with the tray and a first positioning head connected with the workpiece to realize positioning.

Preferably, the rhombic positioning pin comprises a second positioning rod connected with the tray and a second positioning head connected with the workpiece to realize positioning, the long shaft end of the second positioning head is arc-shaped, and the whole shape of the second positioning head is rhombic.

Preferably, the length of the long axis of the second positioning head is equal to the diameter of the first positioning head.

Preferably, the tray is provided with a pin hole corresponding to the positioning pin for fixedly connecting the positioning pin positioning rod.

Preferably, the long axis of the diamond-shaped positioning pin is perpendicular to the connecting line of the two pin holes of the diamond-shaped positioning pin and the cylindrical positioning pin.

Has the advantages that:

the utility model provides a jumbo size work piece location frock, this frock can carry out accurate location to the work piece under the condition that reduces work piece locating hole machining position precision, has improved location efficiency greatly, has reduced because the too high manufacturing cost who brings of work piece machining precision, and the installation is dismantled simply simultaneously, has reduced staff's relevant work load, is fit for using widely.

Drawings

Fig. 1 is a schematic structural view of a large-sized workpiece positioning tool according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the relationship between the long axis of the diamond positioning pin and the connecting axes of the two pin holes of the diamond positioning pin and the cylindrical positioning pin in the large-sized workpiece positioning tool according to the embodiment of the present invention;

FIG. 3 is a schematic structural view of a diamond-shaped positioning pin according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a cylindrical locating pin according to an embodiment of the present invention;

FIG. 5 is a diagram illustrating a working condition of a large-sized workpiece positioning tool according to an embodiment of the present invention

In the drawings: 100 pallets, 110 pin holes, 210 diamond-shaped positioning pins, 211 second positioning heads, 212 second positioning rods, 220 cylindrical positioning pins, 221 first positioning heads, 222 first positioning rods, 300 connecting wires and 400 large-size workpieces.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustration and not for limitation of the present invention.

As shown in fig. 1-5, the utility model provides a jumbo size work piece location frock, it includes tray 100 and sets up the locating pin on tray 100, the locating pin sets up to a plurality ofly, there are two kinds of locating pins in a plurality of locating pins at least, it is provided with the locating hole to correspond the locating pin on the jumbo size work piece, the frock is connected the location that realizes the jumbo size work piece through the locating pin cooperation that sets up on tray 100 and the locating hole on the work piece, be provided with the location center on tray 100, a plurality of locating pins equal to the distance at location center.

Specifically, tray 100 sets up to the disc type, and the center of location sets up in the tray 100 centre of a circle, sets up the center of location and can make the work piece of being positioned more balanced place on tray 100 at tray 100 center, avoids causing the unable firm placing of work piece on one side because the center of location is partial, and the barycenter skew appears and causes to turn on one's side.

Specifically, a plurality of locating pins all set up on using the location center as the circle center the circle, and the distance of adjacent locating pin equals on this circle.

Specifically, the locating pin sets up to three, and the distance equals between two arbitrary locating pins in the three locating pin, one in the three locating pins is cylinder locating pin 220, and other are rhombus locating pin 210, and three locating pin can ensure to carry out the complete positioning to the work piece, and two arbitrary locating pin distances equal can effectively reduce the time that the staff compares relation between work piece locating hole and the locating pin in the three locating pin, also can increase the efficiency when punching the work piece simultaneously, set up a cylinder locating pin 220, and other are rhombus locating pin 210, can prevent that the work piece from appearing the location, can reduce the requirement to work piece locating hole precision, increase work efficiency.

Specifically, as shown in fig. 4, the cylindrical positioning pin 220 includes a first positioning rod connected to the tray 100 and a first positioning head connected to the workpiece for positioning.

Specifically, as shown in fig. 3, the diamond positioning pin 210 includes a second positioning rod connected to the tray 100 and a second positioning head connected to the workpiece for positioning, a long shaft end of the second positioning head is arc-shaped, and the overall shape of the second positioning head is diamond-shaped.

Specifically, the length of the long axis of the second positioning head is equal to the diameter of the first positioning head, so that the cylindrical positioning pin 220 and the rhombic positioning pin 210 are identical in specification, the positioning accuracy is guaranteed, the positioning hole can be positioned corresponding to any positioning pin, the workload of workers is reduced, and the working efficiency is improved.

Specifically, the tray 100 is provided with a pin hole 110 corresponding to the positioning pin for fixedly connecting the positioning pin positioning rod.

Specifically, as shown in fig. 2, the long axis of the diamond-shaped positioning pin 210 is perpendicular to the center line 300 of the two pin holes 110 of the diamond-shaped positioning pin 210 and the cylindrical positioning pin 220, and the long axis is perpendicular to the center line 300, so that the diameter of the diamond-shaped pin is not reduced, and the corner error of the workpiece is not affected.

In a preferred embodiment, the large-size workpiece has a diameter of not less than 500 mm.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.

Claims

1. The utility model provides a jumbo size work piece location frock, its characterized in that includes the tray and sets up the locating pin on the tray, the locating pin sets up to a plurality ofly, there are two kinds of locating pins in a plurality of locating pins at least, it is provided with the locating hole to correspond the locating pin on the jumbo size work piece, the frock is connected the location of realizing jumbo size work piece through the locating pin cooperation that sets up on the tray and the locating hole on the work piece, be provided with the location center on the tray, the distance that a plurality of locating pins to the location center equals.

2. The large-size workpiece positioning tool according to claim 1, wherein the tray is arranged in a disc shape, and the positioning center is arranged at the center of the circle of the tray.

3. The large-size workpiece positioning tool according to claim 1, wherein the positioning pins are all arranged on a circle with the positioning center as the center, and the distances between adjacent positioning pins on the circle are equal.

4. The large-size workpiece positioning tool according to claim 3, wherein the number of the positioning pins is three, the distance between any two positioning pins in the three positioning pins is equal, one of the three positioning pins is a cylindrical positioning pin, and the other positioning pins are diamond-shaped positioning pins.

5. The large-size workpiece positioning tool according to claim 4, wherein the cylindrical positioning pin comprises a first positioning rod connected with the tray and a first positioning head connected with the workpiece for positioning.

6. The large-size workpiece positioning tool according to claim 5, wherein the diamond-shaped positioning pin comprises a second positioning rod connected with the tray and a second positioning head connected with the workpiece to realize positioning, the long shaft end of the second positioning head is arc-shaped, and the overall shape of the second positioning head is diamond-shaped.

7. The large-size workpiece positioning tool according to claim 6, wherein the length of the long axis of the second positioning head is equal to the diameter of the first positioning head.

8. The large-size workpiece positioning tool according to claim 6, wherein the tray is provided with a pin hole corresponding to the positioning pin for fixedly connecting the positioning rod of the positioning pin.

9. The large-size workpiece positioning tool according to claim 8, wherein the long axis of the diamond positioning pin is perpendicular to the center line of the two pin holes of the diamond positioning pin and the cylindrical positioning pin.