CN219075343U

CN219075343U - Clamp for guaranteeing machining precision of concentricity position

Info

Publication number: CN219075343U
Application number: CN202320076754.XU
Authority: CN
Inventors: 李红军
Original assignee: Meifu Precision Manufacturing Shenzhen Co ltd
Current assignee: Meifu Precision Manufacturing Shenzhen Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-05-26
Anticipated expiration: 2033-01-09

Abstract

The utility model relates to a clamp for ensuring the machining precision of concentricity position, which comprises a base body and a locking piece, wherein the base body is provided with a cavity in a penetrating way, one surface of the base body is inwards sunken to form a sinking table, at least two bosses and at least two locating pins are arranged on the sinking table at intervals, the end surfaces of the two bosses, which are far away from the sinking table, are positioned on the same plane, a product to be machined is provided with a locating hole, one end surface of the product to be machined is abutted with the end surfaces of the two bosses, the locating hole is spliced with the locating pins, and the locking piece penetrates through the base body and is fixedly connected with the product to be machined. The fixture can form abutting installation cooperation of at least two positions, and the positioning references of the two positions are easy to ensure precision, so that the machining precision of concentricity and position degree of a product to be machined is effectively improved.

Description

Clamp for guaranteeing machining precision of concentricity position

Technical Field

The utility model relates to the technical field of machining positioning fixtures, in particular to a fixture for guaranteeing machining precision of concentricity position.

Background

In CNC processing operation, it is usually required to finish grinding different end faces of a product to be processed, especially two end faces in front and back, and the positioning tool adopted at present can only clamp and fix the product to be processed. In the processing process, stable positioning reference with higher precision cannot be formed, so that the processing precision of concentricity and position degree of the product is poor, and the dimensional precision of workpiece processing is not ideal.

Disclosure of Invention

Based on this, it is necessary to provide a jig which can form an abutting fitting fit of at least two positions, and the positioning references of the two positions easily ensure accuracy, and effectively improve the machining accuracy of concentricity and position of a product to be machined, in order to solve the problem that a stable positioning reference with high accuracy cannot be formed during machining.

A fixture for ensuring concentricity position accuracy of machining, comprising: the base body and retaining member, the base body runs through and is equipped with the cavity, the one side of base body inwards sunken formation sinks the platform, it is equipped with two at least bosss and two at least locating pins to sink the bench interval, two the boss is kept away from the terminal surface that sinks the platform is located the coplanar, waits to process the product and is equipped with the locating hole, wait to process a terminal surface of product with two the terminal surface butt of boss, the locating hole with the locating pin grafting, the retaining member wears to establish the base body and with wait to process product fixed connection.

Above-mentioned fixture of assurance concentricity position degree machining precision will wait to process the top surface butt of product and two at least bosss, and through sinking at least two locating pins on the platform and wait to process the locating hole quick preassembly of product, the cavity can provide and dodge the space, conveniently treat the finish grinding of processing product, the top surface of two at least bosss is located the coplanar, guarantees the installation accuracy of waiting to process the product on two positions. Because the product to be processed is generally annular, in order to avoid clamping deformation of the product to be processed, the whole end face of the product to be processed is abutted and positioned, and the positioning accuracy of the whole face is high in realization difficulty, the abutting and positioning of at least two positions is adopted, the accuracy of a positioning reference can be ensured relatively easily, and the processing accuracy of the concentricity and the position degree of the product to be processed is effectively improved.

In one embodiment, the bosses are three and are spaced apart in a triangle. The triangular positioning can improve the stability of installation while guaranteeing the positioning precision of the product to be processed.

In one embodiment, the sinking platform is annular, and the three bosses are equally spaced along the circumference of the sinking platform.

In one embodiment, each of the positioning pins is located between two of the bosses.

In one embodiment, notches are formed on two opposite sides of the sinking platform. The arrangement of the notch can provide an installation space, so that the positioning and the installation of the product to be processed are facilitated.

In one embodiment, the product to be processed is provided with a threaded hole, the threaded hole corresponds to the boss in position, the locking piece is a bolt, and the locking piece passes through the middle of the boss from one side of the base body away from the sinking table and is in threaded connection with the threaded hole. The product to be processed can be simply and quickly fixedly installed.

In one embodiment, the device further comprises a base, a mounting piece and an adapter piece, wherein the mounting piece is arranged on the base, the adapter piece is arranged on the base body, and the adapter piece can be connected with the mounting piece in a matched mode. The base body can be quickly arranged on the base, and when CNC processing is performed, the base body can be driven to move to a processing position and adjust the processing direction.

In one embodiment, a flange is extended from one end of the base body, an arc avoidance portion is arranged on one side, communicated with the sinking platform, of the flange, and the adapter is arranged on the flange.

In one embodiment, the mounting member includes a pawl and a driving member capable of driving the pawl to clamp the adapter member.

In one embodiment, the mounting part is provided with at least two alignment blocks at intervals, the adapter part is provided with at least two notches at intervals, and the notches are in one-to-one corresponding clamping connection with the alignment blocks. The quick alignment and installation of the adapting piece and the installation piece can be formed.

Drawings

FIG. 1 is a schematic view of a fixture according to an embodiment of the present utility model and a product to be processed;

FIG. 2 is a schematic view of an embodiment of a clamp according to the present utility model;

FIG. 3 is a schematic view of an embodiment of the fitting and mounting of the present utility model;

fig. 4 is a schematic view of an exploded structure of the adapter and the mounting member of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

100. a clamp for ensuring the machining precision of the concentricity position degree; 1. a base; 11. a cavity; 12. a sinking platform; 121. a notch; 13. a boss; 14. a positioning pin; 15. a flange; 151. an avoidance unit; 2. a locking member; 3. a base; 4. a mounting member; 41. an alignment block; 5. an adapter; 51. a notch; 200. and (5) a product to be processed.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily apparent, a more particular description of the utility model briefly described above will be rendered by reference to the appended drawings. It is apparent that the specific details described below are only some of the embodiments of the present utility model and that the present utility model may be practiced in many other embodiments that depart from those described herein. Based on the embodiments of the present utility model, all other embodiments obtained by a person of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1 and 2, in one embodiment, a fixture 100 for ensuring concentricity and position accuracy includes: base 1 and locking member 2. The base body 1 is provided with a cavity 11 in a penetrating manner along the thickness direction, one surface of the base body 1 is inwards sunken to form a sinking platform 12, at least two bosses 13 and at least two positioning pins 14 are arranged on the sinking platform 12 at intervals, and the end surfaces (namely the top surfaces) of the two bosses 13 away from the sinking platform 12 are positioned on the same plane. The product to be processed 200 is provided with a positioning hole, one end face of the product to be processed 200 is abutted against the end faces of the two bosses 13, the positioning hole is spliced with the positioning pin 14, and the locking piece 2 penetrates through the base body 1 and is fixedly connected with the product to be processed 200.

This guarantee concentricity position degree machining precision's anchor clamps 100 will wait to process the top surface butt of product 200 and two at least bosss 13, and through sinking at least two locating pins 14 on the platform 12 with wait to process the locating hole quick preassembly of product 200, cavity 11 can provide and dodge the space, conveniently wait to process the finish grinding of product 200, and the top surface of two at least bosss 13 is located the coplanar, guarantees the installation precision of waiting to process product 200 on two positions. Because the product 200 to be processed is generally annular, in order to avoid clamping and deforming the product 200 to be processed, the whole end face of the product 200 to be processed is abutted and positioned, and the difficulty in realizing the positioning precision of the whole face is higher, so that the abutting and positioning of at least two positions is adopted, the precision of a positioning reference can be ensured easily, and the processing precision of the concentricity and the position degree of the product 200 to be processed is effectively improved.

Referring to fig. 2, in one embodiment, three bosses 13 are provided and are spaced apart in a triangle shape. The triangular positioning can improve the stability of installation while ensuring the positioning accuracy of the product 200 to be processed. Each locating pin 14 is located between two bosses 13 to promote stability of the pre-installation.

Further, the sinking platform 12 can be annular, and the three bosses 13 are equally spaced along the circumference of the sinking platform 12, so that the stability of the mounting structure is higher.

Referring to fig. 1 and 2, in another embodiment, notches 121 are formed on opposite sides of the sinking platform 12. The provision of the notch 121 may provide an installation space for facilitating the positioning and installation of the product 200 to be processed.

In order to enable the product to be processed 200 to be simply and quickly fixedly mounted, the product to be processed 200 is provided with a threaded hole corresponding to the position of the boss 13, the locking member 2 is a bolt, and the locking member 2 passes through the middle of the boss 13 from the side of the base body 1 away from the sinking table 12 and is in threaded connection with the threaded hole.

Referring to fig. 2 and 3, in other embodiments, the fixture 100 for ensuring machining precision of concentricity position according to the present utility model further includes a base 3, a mounting member 4 and an adapter member 5, wherein the mounting member 4 is disposed on the base 3, the adapter member 5 is disposed on the base 1, and the adapter member 5 can be cooperatively connected with the mounting member 4. The base 3 can be installed on CNC five machining center's operation panel, and mounting 4 is connected with the cooperation of adapter 5 for base member 1 can install on the base 3 fast, and when CNC processing, can drive the product 200 that waits to process through driving base 3 and move to the processing position, and adjustment direction of processing.

Referring to fig. 2, further, a flange 15 is extended at one end of the base 1, an arc-shaped avoiding portion 151 is disposed at one side of the flange 15, which is communicated with the sinking platform 12, and an adapter 5 is disposed on the flange 15, so that the larger area of the base 1 can be matched with the installation piece 4 for positioning, and the installation is firmer.

In one embodiment, the mounting member 4 comprises a jaw and a driving member capable of driving the jaw to clamp the adapter member 5. It will be appreciated that the mounting member 4 may be an air chuck, with the adapter member 5 being clamped by an air clamp block, with the adapter member 5 being clamped repeatedly.

Referring to fig. 3 and 4, further, at least two alignment blocks 41 are disposed on the mounting member 4 at intervals, at least two notches 51 are disposed on the adapter member 5 at intervals, and the notches 51 are engaged with the alignment blocks 41 in a one-to-one correspondence manner, so that quick alignment and positioning, and clamping and fixing can be realized. In one embodiment, the number of the alignment blocks 41 is four, the four alignment blocks 41 are equally spaced along the circumferential direction of the mounting member 4, and the number of the notches 51 is correspondingly four.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that modifications, substitutions and improvements can be made by those skilled in the art without departing from the spirit of the utility model, and are intended to be within the scope of the utility model. Accordingly, the protection scope of the present utility model is subject to the claims.

Claims

1. The utility model provides a guarantee concentricity position degree machining precision's anchor clamps which characterized in that includes: the base body and retaining member, the base body runs through and is equipped with the cavity, the one side of base body inwards sunken formation sinks the platform, it is equipped with two at least bosss and two at least locating pins to sink the bench interval, two the boss is kept away from the terminal surface that sinks the platform is located the coplanar, waits to process the product and is equipped with the locating hole, wait to process a terminal surface of product with two the terminal surface butt of boss, the locating hole with the locating pin grafting, the retaining member wears to establish the base body and with wait to process product fixed connection.

2. The fixture for ensuring machining precision of concentricity according to claim 1, wherein the number of the bosses is three, and the bosses are spaced apart in a triangle shape.

3. The fixture for ensuring machining precision of concentricity according to claim 2, wherein the sinking table is annular, and three bosses are equally spaced along the circumferential direction of the sinking table.

4. The fixture for ensuring positional accuracy of concentricity as claimed in claim 1, wherein each of the positioning pins is located between two of the bosses.

5. The fixture for ensuring concentricity and position accuracy according to claim 1, wherein the opposite sides of the sinking table are provided with notches.

6. The fixture for ensuring machining precision of concentricity position according to claim 1, wherein the product to be machined is provided with a threaded hole, the threaded hole corresponds to the position of the boss, the locking piece is a bolt, and the locking piece passes through the middle part of the boss from one side of the base body away from the sinking table and is in threaded connection with the threaded hole.

7. The fixture for ensuring machining precision of concentricity according to claim 1, further comprising a base, a mounting member and an adapter member, wherein the mounting member is provided on the base, the adapter member is provided on the base, and the adapter member is capable of being connected with the mounting member in a matching manner.

8. The fixture for ensuring machining precision of concentricity according to claim 7, wherein a flange is extended from one end of the base body, an arc-shaped avoiding portion is arranged on one side of the flange, which is communicated with the sinking table, and the adapting piece is arranged on the flange.

9. The fixture for ensuring positional accuracy of concentricity as claimed in claim 7, wherein the mounting member comprises a claw and a driving member capable of driving the claw to clamp the adapter member.

10. The fixture for ensuring machining precision of concentricity according to claim 7, wherein at least two alignment blocks are arranged on the mounting piece at intervals, at least two notches are arranged on the adapting piece at intervals, and the notches are in one-to-one corresponding clamping connection with the alignment blocks.