CN209754551U

CN209754551U - A quick self-align frock for disc class work piece

Info

Publication number: CN209754551U
Application number: CN201920448874.1U
Authority: CN
Inventors: 蒋英杰; 屈建平; 周敏杰; 徐冰
Original assignee: CHANGZHOU XUANDA HYDRAULIC ELECTRICAL AND MECHANICAL EQUIPMENT CO LTD
Current assignee: CHANGZHOU XUANDA HYDRAULIC ELECTRICAL AND MECHANICAL EQUIPMENT CO LTD
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2019-12-10
Anticipated expiration: 2029-04-03

Abstract

The utility model relates to a quick self-align frock for disc class work piece, including chassis and cylindric lock and the eccentric pin of setting on the chassis, be equipped with supported hole and locating hole on the chassis, the cylindric lock bottom is pegged graft in the supported hole and its top is used for supporting disc class work piece, the supported hole is equipped with a plurality of and supported hole on same circle, the center of disc and the center coincidence on chassis, the eccentric pin is including pegging graft location portion in the locating hole with support the eccentric part that leans on disc class work piece periphery, the locating hole is equipped with 3 at least and the locating hole is on same circle, the center of disc and the center coincidence on chassis. The quick self-positioning tool for the disc workpieces is simple in structure, good in positioning and locking effects, convenient to install and remove, and capable of saving manufacturing cost and labor cost.

Description

A quick self-align frock for disc class work piece

Technical Field

The utility model relates to a location frock especially relates to a quick self-align frock for disc class work piece.

Background

The drilling tool for the disc workpieces generally needs the cooperation of the positioning component and the locking component, the positioning component and the locking component are complex to manufacture and troublesome to install and remove, the manufacturing cost is increased, the manpower resource is wasted, and the quick self-positioning tool for the disc workpieces, which is simple in structure, good in locking effect and convenient to install and remove, is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's defect, provide a simple structure, location, locking are effectual, the installation, demolish convenient quick self-align frock that is used for disc class work piece.

The utility model discloses a realize through following technical scheme: the utility model provides a quick self-align frock for disc class work piece, includes the chassis and sets up cylindric lock and the eccentric pin on the chassis, be equipped with supported hole and locating hole on the chassis, the cylindric lock bottom is pegged graft in the supported hole and its top is used for supporting disc class work piece, and the supported hole is equipped with a plurality of and the supported hole is on same circle, the center of disc and the center coincidence on chassis, the eccentric pin is including pegging graft location portion in the locating hole and the eccentric portion that supports on disc class work piece periphery, and the locating hole is equipped with 3 at least and the locating hole is on same circle, the center of disc and the center coincidence on chassis.

In order to facilitate positioning and locking of disc type workpieces of different specifications, the positioning holes are provided with a plurality of groups, each group is provided with at least 3 positioning holes, and the diameter of the circle where each group of positioning holes is located is different.

For convenience in processing, a mounting hole is formed in the center of the base plate, a tapered roller bearing is arranged at the bottom of the mounting hole, and the tapered roller bearing is used for rotating the base plate.

for convenience of installation and removal, the diameter of the circle where the support hole is located is smaller than that of the circle where the positioning hole is located.

In order to facilitate installation of the fixing tool, a plurality of fixing holes are formed in the base plate and used for installing fixing screws.

The utility model has the advantages that:

Drawings

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

FIG. 2 is an exploded view of the present invention;

Fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic structural view of the eccentric pin of the present invention;

In the figure: 1. a chassis; 2. a cylindrical pin; 3. an eccentric pin; 31. a positioning part; 32. an eccentric portion; 4. a support hole; 5. positioning holes; 6. mounting holes; 7. a tapered roller bearing; 8. a fixing hole; 9. disc type workpieces.

Detailed Description

the following detailed description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be more clearly and clearly defined. In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. refer to directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention.

As shown in fig. 1-4, a fast self-positioning tool for disc-like workpieces comprises a chassis 1, and a cylindrical pin 2 and an eccentric pin 3 which are arranged on the chassis 1, wherein a supporting hole 4 and a positioning hole 5 are arranged on the chassis 1, the bottom end of the cylindrical pin 2 is inserted into the supporting hole 4, and the top of the cylindrical pin 2 is used for supporting a disc-like workpiece 9, a chamfer is arranged on the circumference of the top of the cylindrical pin 2, a plurality of supporting holes 4 are arranged on the supporting hole 4, the center of the circular surface coincides with the center of the chassis 1, the eccentric pin 3 comprises a positioning portion 31 inserted into the positioning hole 5 and an eccentric portion 32 abutting against the circumference surface of the disc-like workpiece 9, as shown in fig. 4, the eccentric portion 32 and the cylindrical positioning portion 31 are both eccentric, and the eccentric portion 32 is eccentric with respect to the positioning portion 31, in detail, the portion where the circumference surface of the eccentric portion 32 is, the part which is relatively far away is called as the part B, the part C is between the part A and the part B, when in installation, the part A on the eccentric part 32 is abutted against the excircle of the disc type workpiece 9, when in drilling and machining, the eccentric part 32 can rotate relative to the disc type workpiece 9, due to the eccentric action, the part A is far away from the point of tangency between the eccentric part 32 and the disc type workpiece 9, namely the part B and the part C are close to the point of tangency between the eccentric part 32 and the disc type workpiece 9, so as to lock the disc type workpiece 9, the positioning holes 5 are at least provided with 3 and are positioned on the same circle, the center of the circle is superposed with the center of the chassis 1, for convenience of machining, the center of the chassis 1 is provided with an installation hole 6, the bottom of the installation hole 6 is provided with a tapered roller bearing 7, the tapered roller bearing 7 is used for rotating the chassis 1, for convenience of installing and fixing, the fixing holes 8 are used for installing fixing screws, and for convenience of installation and removal, the diameter of the circle where the supporting holes 4 are located is smaller than that of the circle where the positioning holes 5 are located.

The positioning holes 5 are provided with a plurality of groups, each group is provided with at least 3 positioning holes 5, the diameter of the circle where each group of positioning holes 5 is located is different, and the disc type workpieces 9 with different specifications can be positioned and locked.

The working principle is as follows: as shown in fig. 1-4, the bottom of the cylindrical pin 2 is inserted into the supporting hole 4, the top of the cylindrical pin 2 is used for supporting the bottom of the disc-like workpiece 9, the positioning portion 31 of the eccentric pin 3 is inserted into the positioning hole 5, and the outer circumferential surface of the eccentric portion 32 of the eccentric pin abuts against the circumferential surface of the disc-like workpiece 9, when drilling is performed, the eccentric portion 32 rotates relative to the disc-like workpiece 9 under the action of the rotation force of the drilling machine, and due to the eccentric action, the part a is far away from the tangent point of the eccentric portion 32 and the disc-like workpiece 9, that is, the parts B and C are close to the tangent point of the eccentric portion 32 and the disc-like workpiece 9, so as to lock the disc-; when the locking device is detached, the part A is close to the tangent point of the eccentric part 32 and the disc type workpiece 9 under the action of external force of a drilling machine, so that the disc type workpiece 9 can be loosened and locked, and the detachment is convenient.

Compared with the prior art, the quick self-positioning tool for the disc type workpieces is simple in structure, good in positioning and locking effects, convenient to install and remove, and capable of saving manufacturing cost and labor cost.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a quick self-align frock for disc class work piece which characterized by: the disc type workpiece positioning device comprises a chassis (1), and a cylindrical pin (2) and an eccentric pin (3) which are arranged on the chassis (1), wherein a support hole (4) and a positioning hole (5) are formed in the chassis (1), the bottom end of the cylindrical pin (2) is inserted into the support hole (4), the top of the cylindrical pin is used for supporting a disc type workpiece (9), the support hole (4) is provided with a plurality of support holes (4) on the same circle, the center of the circle coincides with the center of the chassis (1), the eccentric pin (3) comprises a positioning part (31) inserted into the positioning hole (5) and an eccentric part (32) abutted against the circumferential surface of the disc type workpiece (9), at least 3 positioning holes (5) are formed in the positioning hole (5), and the center of the circle coincides with the center of the chassis (1).

2. The quick self-positioning tool for the disc-like workpieces as claimed in claim 1, which is characterized in that: the positioning holes (5) are provided with a plurality of groups.

3. The quick self-positioning tool for the disc-like workpieces as claimed in claim 1, which is characterized in that: the chassis is characterized in that a mounting hole (6) is formed in the center of the chassis (1), a tapered roller bearing (7) is arranged at the bottom of the mounting hole (6), and the tapered roller bearing (7) is used for rotating the chassis (1).

4. The quick self-positioning tool for the disc-like workpieces as claimed in claim 1, which is characterized in that: the diameter of the circle where the support hole (4) is located is smaller than that of the circle where the positioning hole (5) is located.

5. The quick self-positioning tool for the disc-like workpieces as claimed in claim 1, which is characterized in that: the chassis (1) is provided with a plurality of fixing holes (8), and the fixing holes (8) are used for installing fixing screws.