CN213350872U

CN213350872U - Automatic clamping device for milling of bearing cover

Info

Publication number: CN213350872U
Application number: CN202022319772.5U
Authority: CN
Inventors: 聂越; 吴艳梅; 汪国玖
Original assignee: Tonglin Casting Industrial Co ltd
Current assignee: Tonglin Casting Industrial Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-04
Anticipated expiration: 2030-10-16

Abstract

The utility model relates to the technical field of tool fixtures, and provides a bearing cap milling automatic clamping device, which comprises a chuck, wherein a plurality of jaw assemblies which can move back and forth along the radial direction of the chuck to the center of the chuck are arranged in the circumferential direction of the chuck; the output end of the rotating motor is connected with a screw shaft, the screw shaft is rotationally connected with the chuck, and a threaded sliding sleeve is sleeved on the screw shaft; and one end of the connecting rod is hinged with the threaded sliding sleeve, and the other end of the connecting rod is hinged with the jaw assembly. The utility model discloses a rotating electrical machines rotates the drive screw shaft and rotates, drives the screw thread sliding sleeve by the screw shaft and reciprocates and makes a round trip to slide through connecting rod linkage jack catch subassembly and realize pressing from both sides tight and the release to the bearing cap, has improved clamping efficiency greatly, and the angle that has rotated through control motor simultaneously just can control the clamping dynamics.

Description

Automatic clamping device for milling of bearing cover

Technical Field

The utility model relates to a frock clamp technical field particularly, relates to a bearing cap mills automatic clamping device.

Background

The traditional bearing cover is processed independently, and when the end milling processing is carried out, the bearing cover needs to be manually fixed or clamped electrically independently. The manual clamping of the bearing cover has low working efficiency, and is difficult to ensure the tightness of clamping, and the electric clamping also has the problem of lower tightness of clamping, so how to solve the technical problems becomes the key point of research of the personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bearing cap mills self-holding device to solve current clamping inefficiency, the not enough problem of clamping dynamics.

The embodiment of the utility model discloses a realize through following technical scheme:

a bearing cap milling automatic clamping device comprises:

the chuck is provided with a plurality of jaw assemblies which can move back and forth to the center of the chuck along the radial direction of the chuck in the circumferential direction;

the output end of the rotating motor is connected with a screw shaft, the screw shaft is rotationally connected with the chuck, and a threaded sliding sleeve is sleeved on the screw shaft;

and one end of the connecting rod is hinged with the threaded sliding sleeve, and the other end of the connecting rod is hinged with the jaw assembly.

Further, chuck circumference is provided with a plurality of strip through-holes along the radial extension of chuck, be provided with the spout that is used for matcing with the jack catch subassembly on the lateral wall of strip through-hole.

Furthermore, the jaw assembly comprises a sliding block and jaws arranged on the sliding block, and two opposite side walls of the sliding block are provided with projections matched with the sliding grooves.

Further, the clamping jaws are circular arc-shaped clamping jaws.

Further, the chuck is provided with a mounting lug plate.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

the utility model discloses a rotating electrical machines rotates the drive screw shaft and rotates, drives the screw thread sliding sleeve by the screw shaft and reciprocates and makes a round trip to slide through connecting rod linkage jack catch subassembly and realize pressing from both sides tight and the release to the bearing cap, has improved clamping efficiency greatly, and the angle that has rotated through control motor simultaneously just can control the clamping dynamics.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a top view of a bearing cap milling automatic clamping device provided in embodiment 1 of the present invention;

FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;

FIG. 3 is a top view of the chuck;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

FIG. 5 is a cross-sectional view taken along the line C-C of FIG. 4;

fig. 6 is a side view of the slider.

Icon: 1-chuck, 2-rotating motor, 3-connecting rod, 4-jaw component, 401-sliding block, 402-jaw, 403-lug, 5-strip-shaped through hole, 6-sliding groove, 7-screw shaft, 8-threaded sliding sleeve and 9-mounting lug plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of this application is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated is not to be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1 to 6, the embodiment provides a bearing cap milling automatic clamping device, which includes a chuck 1, a rotating motor 2 and a connecting rod 3, wherein mounting lugs are integrally formed on two opposite sides of the chuck 1, threaded holes are formed in the mounting lugs, and the chuck 1 can be fixed on a workbench through the mounting lugs. The chuck is characterized in that a plurality of jaw assemblies 4 capable of moving back and forth along the radial direction of the chuck 1 towards the center of the chuck 1 are circumferentially arranged on the chuck 1, specifically, at least two groups of strip-shaped through holes 5 extending along the radial direction of the chuck 1 are circumferentially arranged on the chuck 1, in this embodiment, the strip-shaped through holes 5 are four groups, and a sliding groove 6 extending from the outer edge of the chuck 1 to the center is formed in the side wall of each group of strip-shaped through holes 5; the jaw assembly 4 comprises a sliding block 401 and jaws 402 integrally formed on the upper surface of the sliding block 401 through support blocks, in order to enable the jaws 402 to be well attached to a bearing cover, the jaws 402 are in arc-shaped rotation, meanwhile, lugs 403 matched with the sliding grooves 6 are integrally formed on two opposite side walls of the sliding block 401, and the sliding block 401 can slide back and forth along the strip-shaped through hole 5 through the lugs 403 movably embedded into the sliding grooves 6.

The rotary motor 2 is arranged below the chuck 1, the output end of the rotary motor 2 is connected with a screw shaft 7 through a coupler, the top end of the screw shaft 7 is rotatably connected with the lower surface of the chuck 1 through a bearing, a threaded sliding sleeve 8 is sleeved on the screw shaft 7 in a matching mode, one end of the connecting rod 3 is hinged to the threaded sliding sleeve 8, and the other end of the connecting rod 3 is hinged to the jaw assembly 4.

The embodiment provides an automatic clamping device for milling of a bearing cover, and the using method comprises the following steps:

at first with chuck 1 through the installation otic placode be fixed in the workstation, then place the bearing cap on chuck 1, start rotating electrical machines 2 after that, drive screw shaft 7 through rotating electrical machines 2 and rotate, screw shaft 7 rotates and drives screw thread axle sleeve downstream, linkage effect through connecting rod 3 removes jack catch subassembly 4 toward chuck 1 center, thereby the realization is to the self-holding of bearing cap, can not only the quick clamping bearing cap, and can the different bearing caps of centre gripping different diameters, simultaneously through control motor pivoted angle, just correspond the displacement distance of control jack catch subassembly 4, the realization is to the control of bearing cap clamping force. After the bearing cap is processed, the bearing cap can be loosened by only reversely rotating the rotating motor 2.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bearing cap milling automatic clamping device is characterized by comprising:

the chuck (1) is circumferentially provided with a plurality of jaw assemblies (4) which can move back and forth along the radial direction of the chuck (1) towards the center of the chuck (1);

the output end of the rotating motor (2) is connected with a screw shaft (7), the screw shaft (7) is rotatably connected with the chuck (1), and a threaded sliding sleeve (8) is sleeved on the screw shaft (7);

one end of the connecting rod (3) is hinged with the threaded sliding sleeve (8), and the other end of the connecting rod is hinged with the jaw assembly (4).

2. The bearing cap milling automatic clamping device according to claim 1, characterized in that: chuck (1) circumference is provided with a plurality of bar through-holes (5) that radially extend along chuck (1), be provided with spout (6) that are used for matcing with jack catch subassembly (4) on the lateral wall of bar through-hole (5).

3. The bearing cap milling automatic clamping device according to claim 2, characterized in that: the jaw assembly (4) comprises a sliding block (401) and jaws (402) arranged on the sliding block (401), and protruding blocks (403) matched with the sliding grooves (6) are arranged on two opposite side walls of the sliding block (401).

4. The bearing cap milling automatic clamping device according to claim 3, characterized in that: the clamping jaw (402) is a circular arc clamping jaw.

5. The bearing cap milling automatic clamping device according to claim 1, characterized in that: the chuck (1) is provided with an installation ear plate (9).