CN219337215U

CN219337215U - Circumferential positioning device for grinding textile cam

Info

Publication number: CN219337215U
Application number: CN202320481699.2U
Authority: CN
Inventors: 刘萍; 彭克立; 陈志华
Original assignee: Hunan Lisheng Precision Technology Co ltd
Current assignee: Hunan Lisheng Precision Technology Co ltd
Priority date: 2023-03-10
Filing date: 2023-03-10
Publication date: 2023-07-14
Anticipated expiration: 2033-03-10

Abstract

The utility model provides a circumferential positioning device for grinding a textile cam, and belongs to the technical field of textile cam processing. The circumferential positioning device for grinding the textile cam comprises a supporting seat and a turnover positioning block capable of being turned over relative to the supporting seat, wherein a positioning pin is arranged on the turnover positioning block and can be matched with the textile cam to realize circumferential positioning of grinding and clamping of the textile cam. The turnover positioning block is connected with the positioning pin, and the positioning pin is used for positioning the workpiece cam directly, so that the turnover positioning block is suitable for circumferential positioning of grinding and clamping of a heavy spinning cam; the end face of the locating pin is of a circular arc structure, so that locating errors can be reduced. The utility model has simple structure and convenient use and maintenance.

Description

Circumferential positioning device for grinding textile cam

Technical Field

The utility model belongs to the technical field of textile cam processing, and particularly relates to a circumferential positioning device for grinding a textile cam.

Background

Camshaft grinding is one of the most critical processes in the camshaft manufacturing process, and during the grinding process, the product quality is often affected due to inaccurate positioning. In the prior art, when a cam shaft is ground, the cam shaft is clamped by using a head and tail frame center of a machine tool and center holes at two ends of a workpiece, and a driving plate on a head frame and a clamp thereof are used for driving the workpiece to do circular motion along the head and tail frame center. And simultaneously, the key groove or the process hole on the workpiece is used for circumferential positioning during clamping. However, the cams are generally large in size and heavy in the spinning process, and are not suitable for clamping and positioning by using key grooves or process holes in the production process. It is therefore desirable to provide a circumferential positioning device suitable for grinding textile cams.

Disclosure of Invention

The utility model provides a circumferential positioning device for grinding a textile cam, which aims to solve the technical problem of circumferential positioning during grinding of the existing textile cam.

In order to achieve the above object, the technical solution of the present utility model is:

the utility model provides a circumference positioner for weaving cam grinding, includes the supporting seat to and can overturn the locating piece for the supporting seat upset, install the locating pin on the locating piece that overturns, the locating pin can realize the circumference location of weaving cam grinding clamping with the cooperation of weaving cam.

Preferably, the turnover positioning block is connected with a hinge shaft, and two ends of the hinge shaft are connected with the supporting seat through bearings.

Preferably, the supporting seat is in a convex shape and comprises a supporting column and a base, a bearing is arranged above the supporting column, bolt holes are formed in two ends of the base, and the base is connected with the frame through screws.

Preferably, the turnover positioning block is L-shaped and comprises a connecting seat and a turnover handle, wherein the connecting seat is welded with the hinge shaft, and the turnover handle is connected with a positioning pin.

Preferably, the end face of the positioning pin is in a circular arc structure.

Preferably, the positioning pin is mounted at one end of the flip positioning block away from the hinge shaft.

The beneficial effects of the utility model are as follows:

the turnover positioning block is connected with the positioning pin, and the positioning pin is used for positioning the workpiece cam directly, so that the turnover positioning block is suitable for circumferential positioning of grinding and clamping of a heavy spinning cam; the end face of the locating pin is of a circular arc structure, so that locating errors can be reduced. The utility model has simple structure and convenient use and maintenance.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a side view of the present utility model.

In the figure: 1. a support base; 2. turning over the positioning block; 3. a positioning pin; 4. a bearing; 5. and (5) a hinge shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Referring to fig. 1 to 2, a circumferential positioning device for grinding a textile cam comprises a supporting seat 1 and a turnover positioning block 2 capable of being turned over relative to the supporting seat 1, wherein a positioning pin 3 is arranged on the turnover positioning block 2, and the positioning pin 3 can be matched with the textile cam to realize circumferential positioning of grinding clamping of the textile cam.

The circumference positioner of this application accessible supporting seat 1 installs on lathe headstock, tailstock and workstation, and locating pin 3 installs on upset locating piece 2, and when using, work piece clamping is on two tops of tailstock back, and this device of upset 180 degrees pulls the work piece, makes work piece cam locating surface paste on the locating pin 3, overturns this device to initial position after locking the work piece. The circumferential positioning device is simple in structure and convenient to use and maintain.

Further, the turnover positioning block 2 is connected with a hinge shaft 5, and two ends of the hinge shaft 5 are connected with the supporting seat 1 through bearings 4. The overturning locating block 2 is integrally connected with the hinge shaft 5, and the hinge shaft 5 is connected with the supporting seat 1 through the bearing 4, so that the overturning function of the overturning locating block 2 is realized.

Further, the supporting seat 1 is in a convex shape and comprises a supporting column and a base, a bearing 4 is installed above the supporting column, bolt holes are formed in two ends of the base, and the base is connected with the frame through screws.

Further, the overturning locating block 2 is L-shaped and comprises a connecting seat and an overturning handle, the connecting seat is welded with the hinge shaft 5, and the overturning handle is connected with a locating pin 3.

Further, the positioning pin 3 is mounted at one end of the flip positioning block 2 away from the hinge shaft 5. The end face of the locating pin 3 is of a circular arc structure, so that locating errors can be reduced.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The circumferential positioning device for grinding the textile cam is characterized by comprising a supporting seat and a turnover positioning block capable of being turned over relative to the supporting seat, wherein a positioning pin is arranged on the turnover positioning block and can be matched with the textile cam to realize circumferential positioning of grinding and clamping of the textile cam.

2. The circumferential positioning device for grinding textile cams according to claim 1, wherein the turning positioning block is connected with a hinge shaft, and both ends of the hinge shaft are connected with the supporting seat through bearings.

3. The circumferential positioning device for grinding textile cams according to claim 2, wherein the supporting seat is in a convex shape and comprises a supporting column and a base, the bearing is installed above the supporting column, bolt holes are formed in two ends of the base, and the base is connected with the frame through screws.

4. The circumferential positioning device for grinding textile cams according to claim 3, wherein the turnover positioning block is L-shaped and comprises a connecting seat and a turnover handle, the connecting seat is welded with the hinge shaft, and the turnover handle is connected with a positioning pin.

5. The circumferential positioning device for grinding textile cams of claim 4, wherein said end surfaces of said positioning pins are circular arc shaped structures.

6. The circumferential positioning device for grinding textile cams of claim 5, wherein said positioning pins are mounted at the end of the flip positioning block remote from the hinge shaft.