CN112706094A

CN112706094A - Clamping mechanism of inserts

Info

Publication number: CN112706094A
Application number: CN202011529354.7A
Authority: CN
Inventors: 马广兴; 刘桂平; 奚道伟; 焦亚林
Original assignee: Suzhou Guangxing Mold Co Ltd
Current assignee: Suzhou Guangxing Mold Co Ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-04-27
Anticipated expiration: 2040-12-22
Also published as: CN112706094B

Abstract

The invention provides a clamping mechanism of an insert, which comprises: a pressing part, one end of which forms a pressing end of the pressing insert; and a clamping portion located at the pressing end; the clamping part comprises at least two clamping jaws, and the clamping jaws extend into the through hole of the insert and are attached to the inner wall of the through hole to tension the insert; the clamping part can slide relative to the pressing part, when the clamping mechanism is in an initial state, the clamping jaw extends out of the pressing end, and when the clamping mechanism is in a termination state, the clamping jaw is pressed into the pressing part, so that clamping and installation are conveniently realized through the clamping mechanism, and the structure in the clamping mechanism is simplified.

Description

Clamping mechanism of inserts

Technical Field

The invention belongs to the field of die casting, and particularly relates to a clamping mechanism for an insert.

Background

In the process of forming a new energy motor shell, the inventor finds the following problems: the motor casing corresponds the mounting hole of installation motor shaft, this hole intensity, hardness, performance requirements such as wear-resisting are all higher, inlay through increasing the bigger inserts of intensity and establish and improve this mounting hole performance in the mounting hole, because this inserts need inlay and establish in the mounting hole, general clamping jaw centre gripping inserts produce the interference with motor casing easily, and simultaneously, the inserts still need be impressed to the mounting hole in, if divide into two mechanisms with both and operate, need additionally increase the location process when switching mechanism, guarantee the precision of installation.

In view of the above, it is necessary to develop a clamping mechanism for an insert to solve the above problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention mainly aims to provide the insert clamping mechanism, which is characterized in that the pressing part is arranged on the outer side of the clamping part, so that the clamping mechanism can simultaneously clamp a workpiece and install an insert, the structure is simplified, and the efficiency is improved.

To achieve the above objects and other advantages in accordance with the present invention, there is provided a clamping mechanism for an insert, including:

a pressing part, one end of which forms a pressing end of the pressing insert; and

a clamping portion located at the pressing end;

the clamping part comprises at least two clamping jaws, and the clamping jaws extend into the through hole of the insert and are attached to the inner wall of the through hole to tension the insert;

the clamping part can slide relative to the pressing part, when the clamping mechanism is in an initial state, the clamping jaw extends out of the pressing end, and when the clamping mechanism is in a termination state, the clamping jaw is pressed into the pressing part.

Preferably, the clamping part comprises a support, the clamping jaw is pivoted on the support, and the clamping jaw and the support are connected to form an integral body of the clamping part;

the pressing part is hollow inside to form a hollow cavity, the support is installed in the hollow cavity, and the pressing part slides along the limiting direction of the hollow cavity.

Preferably, the clamping jaws are arranged along the circumference of the support.

Preferably, an elastic reset block is arranged between the support and the pressing part, when the clamping mechanism is in a termination state, the elastic reset block is compressed by external force, and after the external force is removed, the elastic reset block pushes the clamping, so that the clamping jaw extends out of the pressing part and returns to an initial state.

Preferably, one end of the clamping jaw close to the support is pivoted with the support to form a pivoting end, and the other end of the clamping jaw opposite to the pivoting end is contacted with the insert to form a contact end.

Preferably, a limiting groove is formed in the clamping jaw, and the insert extends into the insert from the abutting end and is clamped in the limiting groove.

Preferably, a notch is formed in the side wall of the support, an elastic connecting block is installed in the notch, and the elastic connecting block is used for connecting the clamping jaws and providing tension for the clamping jaw limiting insert.

Preferably, the side surface of the support extends outwards to form a sliding table, and the sliding table limits the support in the hollow cavity and limits the sliding distance of the support.

Compared with the prior art, the invention has the beneficial effects that:

according to the clamping mechanism for the insert, the pressing part is arranged on the outer side of the clamping part, the clamping part clamps the workpiece, when the clamping part is subjected to external force, the clamping part retracts towards the inside of the pressing part, the pressing part pushes the insert to be separated from the clamping part, the insert is pressed in by the pressing part, clamping and installation are integrated into the same structure, the structure is simplified, the working efficiency is improved, and the clamping mechanism is simple in structure and convenient to use.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;

FIG. 2 is a cross-sectional view of the present invention in a preferred embodiment;

FIG. 3 is an enlarged partial schematic view of FIG. 2;

FIG. 4 is a first perspective view of the clamping portion of the present invention;

FIG. 5 is a second perspective view of the clamping portion of the present invention;

fig. 6 is a partial structural sectional view of a clamping portion in a preferred embodiment of the invention.

Shown in the figure:

3. an insert;

41. a press-fit portion; 412. a press-fit end; 413. a hollow cavity;

42. a clamping portion;

421. an elastic reset block;

422. a support; 4221. a sliding table;

423. a clamping jaw; 4231. a limiting groove; 4232. a pivoting end; 4233. a contact end;

424. an elastic connecting block.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a full and partial embodiment of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

Referring to fig. 1 to 6, according to the present invention, it can be seen that a clamping mechanism for an insert includes: a press-fit portion 41 having a press-fit end 412 of the press-fit insert 3 formed at one end portion thereof; and

a clamp 42 at the crimp end 412;

the insert 3 is provided with a through hole which penetrates through the insert 3 from top to bottom, the clamping part 42 comprises at least two clamping jaws 423, and the clamping jaws 423 extend into the through hole of the insert 3 and are attached to the inner wall of the through hole to tension the insert 3;

the clamping portion 42 is slidable relative to the pressing portion 41, when the clamping mechanism is in the initial state, the clamping jaw 423 extends out of the pressing end 412, and when the clamping mechanism is in the final state, the clamping jaw 423 is pressed into the pressing portion 41; specifically, when the clamping mechanism is in an initial state, the clamping jaw 423 grips the insert 3, the clamping jaw 423 is limited by external force, so that the clamping jaw 423 is gradually retracted into the pressing part 41, at this time, the insert 3 abuts against the pressing end 412, so that the clamping jaw 423 is retracted, and the insert 3 is kept stationary relative to the pressing part 41;

on the other hand, the pressing portion 41 is subjected to a downward force, so that the pressing portion 41 moves relative to the clamping jaw 423, at this time, the clamping jaw 423 abuts against a base surface, and the pressing portion 41 gradually approaches the base surface, so that the pressing portion 41 pushes the insert 3 attached to the pressing end 412 to move downward and be press-fitted.

The clamping part 42 outside sets up nip portion 41, insert 3 is fixed through the mode of tensioning to the clamping jaw 423 of clamping part 41, because insert 3 inlays to be established in the motor casing, if adopt the mode that the outside snatched, clamping jaw 423 interferes with the motor casing, and insert 3 will be difficult to stretch into in the motor casing, works as when the clamping part 41 receives external force and contracts to nip portion 42 is interior when for nip portion 42 promotes insert 3 and breaks away from nip portion 41, and utilizes nip portion 41 to impress insert 3, integrates the centre gripping to in passing through same structure with the installation, simplifies the structure, improves work efficiency.

The clamping part 42 comprises a support 422, the clamping jaw 423 is pivoted on the support 422, and the clamping jaw 423 is connected with the support 422 to form the whole clamping part;

the pressing part 41 is hollow to form a hollow cavity 413, the support 422 is installed in the hollow cavity 413, and the pressing part 41 slides along the limited direction of the hollow cavity 413.

The clamping jaws 423 are arranged along the circumferential direction of the support 422, in a preferred embodiment, the number of the clamping jaws 423 is three, and the clamping jaws 423 are uniformly circumferentially installed on the outer side wall of the support 422, so that when the clamping jaws 423 tension the insert 3, the insert 3 is ensured to be at a balance position, and the installation precision is ensured; meanwhile, when pressing, the pressing end 412 is attached to the upper surface of the insert 3, so that the position when pressing is performed can be further ensured, and installation deviation is avoided.

An elastic reset block 421 is arranged between the support 422 and the pressing part 41, when the clamping mechanism is in a termination state, the elastic reset block 421 is compressed by an external force, and after the external force is removed, the elastic reset block 421 pushes the clamping part 42, so that the clamping jaw 423 extends out of the pressing part 41 and returns to an initial state.

The clamping jaw 423 is pivoted with the support 422 at one end close to the support 422 to form a pivoting end 4232, and the other end of the clamping jaw 423 opposite to the pivoting end 4232 is contacted with the insert 3 to form an abutting end 4233.

A limit groove 4231 is formed in the clamping jaw 423, and the insert 3 extends into the insert 3 from the contact end 4233 and is clamped in the limit groove 4231.

A notch is formed in the side wall of the support 422, an elastic connecting block 424 is installed in the notch, and the elastic connecting block 424 is used for connecting the clamping jaws 423 and providing tension for the clamping jaws 423 to limit the insert 3.

The side surface of the support 422 extends outwards to form a sliding table 4221, the sliding table 4221 limits the support 422 in the hollow cavity 413 and limits the sliding distance of the support 422, specifically, the hollow cavity 413 is matched with the sliding table 4221 to limit the position relationship between the clamping portion 42 and the pressing portion 41, so that the clamping portion 42 and the pressing portion 41 form an integral structure.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a clamping machine of inserts constructs which characterized in that includes:

a press-fit portion (41) having a press-fit end (412) of the press-fit insert (3) formed at one end portion thereof; and

a clamping portion (42) at the press end (412);

the insert (3) is provided with a through hole which penetrates through the insert vertically, the clamping part (42) comprises at least two clamping jaws (423), and the clamping jaws (423) extend into the through hole of the insert (3) and are attached to the inner wall of the through hole to tension the insert (3);

the clamping part (42) can slide relative to the pressing part (41), when the clamping mechanism is in an initial state, the clamping jaw (423) extends out of the pressing end (412), and when the clamping mechanism is in a final state, the clamping jaw (423) is pressed into the pressing part (41).

2. The chuck as claimed in claim 1, wherein the chuck body (42) includes a support (422), the clamping jaw (423) being pivotally connected to the support (422), the clamping jaw (423) being connected to the support (422) to form an integral part of the chuck body;

the pressing part (41) is hollow inside to form a hollow cavity (413), the support (422) is installed in the hollow cavity (413), and the pressing part (41) slides along the limited direction of the hollow cavity (413).

3. The chuck as claimed in claim 2, characterized in that the clamping jaws (423) are arranged in the circumferential direction of the support (422).

4. The chuck as claimed in claim 2, wherein an elastic restoring block (421) is disposed between the support (422) and the pressing portion (41), when the chuck is in the final state, the elastic restoring block (421) is compressed by an external force, and when the external force is removed, the elastic restoring block (421) pushes the clamping portion (42) to extend the clamping jaw (423) from the pressing portion (41) and restore the clamping jaw to the initial state.

5. The clamping mechanism according to claim 2, wherein the clamping jaw (423) is pivoted to the support (422) at one end close to the support (422) to form a pivoting end (4232), and the other end of the clamping jaw (423) opposite to the pivoting end (4232) is contacted with the insert (3) to form an abutting end (4233).

6. The clamping mechanism according to claim 5, wherein the clamping jaw (423) is provided with a limiting groove (4231), and the insert (3) extends from the contact end (4233) to the position where the insert (3) is clamped in the limiting groove (4231).

7. The clamping mechanism according to claim 5, characterized in that a notch is arranged on the side wall of the support (422), an elastic connecting block (424) is arranged in the notch, and the elastic connecting block (424) is used for connecting the clamping jaw (423) and providing tension for the clamping jaw (423) to limit the insert (3).

8. The clamping mechanism according to claim 2, wherein a sliding table (4221) is formed by extending outwards on the side surface of the support (422), and the sliding table (4221) limits the support (422) in the hollow cavity (413) and limits the sliding distance of the support (422).