CN205043516U - A device for car external grinding cylinder - Google Patents

Abstract

The utility model relates to a device for turning and grinding the outer cylindrical surface, which is used for processing the outer cylindrical surface of the outer cylindrical surface workpiece with a central angle of less than 180°. It includes a clamp body and a fixing part. The clamp body Each of the two ends of the cylinder has a section of cylinder, and a central hole is provided on the end face of the cylinder. The middle of the clamp body is the clamp body body, and a workpiece positioning surface is provided on the clamp body body. Cooperate with the main body of the clamping body to position and clamp the workpiece on the workpiece positioning surface. The utility model solves the problem of clamping the outer cylindrical surface of workpieces that are not the whole cylindrical surface on the machine tool, so that this type of workpiece can be directly unloaded in a single piece according to the shape of the workpiece, so that the shape and size are more suitable, raw materials are saved, and at the same time, it is reduced. The processing amount and processing difficulty are reduced, and more than two workpieces can be clamped at the same time for processing, which improves the processing efficiency.

Description

A device for turning and grinding outer cylindrical surface

technical field

The utility model relates to a device for turning and grinding an outer cylindrical surface, in particular to a device for processing an outer cylindrical surface whose central angle is less than 180°.

Background technique

Since the outer cylindrical surface workpieces with a central angle of less than 180° cannot be directly clamped and added to the machine tool for machining the outer cylindrical surface, the current common method for machining the outer cylindrical surface of the outer cylindrical surface workpieces with a central angle of less than 180° is The material is cut into a large bar, first turned into a ring sleeve, and then the ring sleeve is milled and cut into multiple single pieces. However, this processing method has the following problems: 1. The ring sleeve greatly increases the size of the raw materials used, and the processing volume is large, resulting in waste of materials; 2. When the workpiece needs to be ground after hardening, it must be ground on the outer cylindrical surface. After finishing, it can be cut into single pieces, and the cutting of single pieces after hardening needs to be done with grinding wheels, which is inefficient and difficult.

Contents of the invention

In view of this, the purpose of this utility model is to provide a device for turning and grinding the outer cylindrical surface, so that it can directly press the shape of the workpiece when processing the outer cylindrical surface of the outer cylindrical surface workpiece with a central angle of less than 180 °. Single-piece cutting, positioning and clamping the workpiece, and clamping the workpiece to the machine tool for processing solves the problem that some cylindrical workpieces cannot be directly clamped on the machine tool, which is very suitable for practical use.

The purpose of this utility model and its technical solution are to adopt the following technical solutions to achieve. According to the utility model, a device for turning and grinding the outer cylindrical surface is used for processing the outer cylindrical surface of the outer cylindrical surface workpiece with a central angle of less than 180°. It includes a clamp body and a fixing part, and the clamp body Each of the two ends of the cylinder has a section of cylinder, a central hole is provided on the end face of the cylinder, the middle of the clamp body is the clamp body main body, and a workpiece positioning surface is provided on the clamp body main body. Cooperate with the main body of the clamping body to position and clamp the workpiece on the workpiece positioning surface.

The purpose of the utility model and the solution to its technical problems can also be further realized by adopting the following technical measures.

In the aforementioned device for turning and grinding the outer cylindrical surface, the size of the main body of the chuck body is determined according to the shape of the workpiece and the diameter of the outer cylindrical surface.

In the aforementioned device for turning and grinding an outer cylindrical surface, a plurality of workpiece positioning surfaces are provided on the main body of the clamp body, and the plurality of workpiece positioning surfaces are arranged on the outer peripheral surface of the main body of the clamp body.

In the aforementioned device for turning and grinding the outer cylindrical surface, the shape of the workpiece positioning surface is determined according to the shape of the workpiece bottom surface.

The aforementioned device for turning and grinding the outer cylindrical surface, wherein the fixing member is a screw, and the main body of the clamp body is provided with a through hole passing through the positioning surface of the workpiece, and the screw passes through the main body of the clamp body The through hole on the upper surface is locked with the threaded hole on the bottom surface of the workpiece to position and clamp the workpiece on the workpiece positioning surface.

The aforementioned device for turning and grinding the outer cylindrical surface, wherein the fixing member is a flat pressing plate, and the flat pressing plate is installed on the end surface of the main body of the clamp body, and extends above the workpiece positioning surface, and presses on the The workpiece is positioned and clamped on the workpiece positioning surface on the end surface of the workpiece.

The aforementioned device for turning and grinding the outer cylindrical surface, wherein a boss is provided on the outer peripheral surface of the clamp body on at least one side of the workpiece positioning surface, and the boss cooperates with the side surface of the workpiece to align with the workpiece. Accurate positioning of the workpiece.

The aforementioned device for turning and grinding the outer cylindrical surface, wherein the fixing member is a conical pressure plate, and the conical pressure plate is installed on the outer peripheral surface of the clamp body on at least one side of the workpiece positioning surface, and pressed against On the side surface of the workpiece on the workpiece positioning surface, the workpiece is positioned and clamped on the workpiece positioning surface.

The aforementioned device for turning and grinding the outer cylindrical surface, wherein a boss is provided on the outer peripheral surface of the clamp body body on the side of the workpiece positioning surface, and the boss cooperates with the side surface of the workpiece to align with the workpiece. The workpiece is accurately positioned.

The aforementioned device for turning and grinding the outer cylindrical surface, wherein the tapered pressure plate is installed between two adjacent workpiece positioning surfaces on the outer peripheral surface of the clamp body body, and simultaneously presses on the adjacent two workpiece positioning surfaces. On the side surfaces of the two workpieces on the workpiece positioning surface, the two workpieces are positioned and clamped on the workpiece positioning surface.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. By virtue of the above-mentioned technical scheme, a device for turning and grinding the outer cylindrical surface of the utility model has at least the following advantages and beneficial effects: the utility model solves the problem of clamping when machining the outer cylindrical surface on the machine tool for workpieces that are not full cylindrical surfaces , so that this type of workpiece can be directly blanked in a single piece according to the shape of the workpiece, making its shape and size more suitable, saving raw materials, reducing the amount of processing and processing difficulty, and can be processed by clamping more than two workpieces at the same time, improving improved processing efficiency.

The above description is only an overview of the technical solution of the utility model. In order to better understand the technical means of the utility model, it can be implemented according to the contents of the specification, and in order to make the above-mentioned other purposes, characteristics and advantages of the utility model more obvious and easy Understand, the preferred embodiments are specifically cited below, and in conjunction with the accompanying drawings, the detailed description is as follows.

Description of drawings

Fig. 1A and Fig. 1B are the schematic diagrams of a workpiece to be turned or ground in the utility model.

Fig. 2 is a schematic cross-sectional view of the positioning and clamping workpiece of the first preferred embodiment of the device for turning and grinding the outer cylindrical surface of the present invention.

Fig. 3 is a front sectional schematic diagram of positioning and clamping workpieces of the first preferred embodiment of the device for turning and grinding outer cylindrical surfaces of the present invention.

Fig. 4 is a schematic diagram of positioning and clamping workpieces of the second preferred embodiment of the device for turning and grinding outer cylindrical surfaces of the present invention.

Fig. 5 is a schematic cross-sectional view of positioning and clamping workpieces of the third preferred embodiment of the device for turning and grinding outer cylindrical surfaces of the present invention.

1: clamp body 11, 12: cylinder

13: clamp body main body 131: workpiece positioning surface

2: Work piece 3: Screw

4: flat platen 5: conical platen

6, 7: Boss

detailed description

In order to further explain the technical means and effects of the utility model to achieve the intended purpose of the invention, below in conjunction with the accompanying drawings and preferred embodiments, the details of a device for turning and grinding the outer cylindrical surface proposed according to the utility model are described below. Embodiments, structures, methods, steps, features and effects thereof are described in detail below.

Please refer to Fig. 1A, Fig. 1B, Fig. 2, Fig. 3, Fig. 4 and Fig. 5. Fig. 1A and Fig. 1B are schematic diagrams of a workpiece to be turned or ground in the present invention. Fig. 2 is a schematic cross-sectional view of the positioning and clamping workpiece of the first preferred embodiment of the device for turning and grinding the outer cylindrical surface of the present invention. Fig. 3 is a front sectional schematic diagram of positioning and clamping workpieces of the first preferred embodiment of the device for turning and grinding outer cylindrical surfaces of the present invention. Fig. 4 is a schematic diagram of positioning and clamping workpieces of the second preferred embodiment of the device for turning and grinding outer cylindrical surfaces of the present invention. Fig. 5 is a schematic cross-sectional view of positioning and clamping workpieces of the third preferred embodiment of the device for turning and grinding outer cylindrical surfaces of the present invention.

The device of the utility model for turning and grinding the outer cylindrical surface can be used to process the outer cylindrical surface of the outer cylindrical surface workpiece 2 whose central angle is less than 180°, and it is mainly composed of a clamp body 1 and a fixing part. Wherein, the two ends of clamp body 1 respectively have a section of cylinder 11,12, and are provided with central hole on the end face of cylinder 11,12, and the utility model is through the cylinder 11,12 of clamp body 1 two ends and central hole or The center hole is clamped on the machine tool. One of the usage schemes is to use the cylinders 11, 12 at both ends of the clamp body 1 and the center hole to clamp and position and clamp on the lathe. The other usage scheme is to use the clamp on the grinding machine. Specifically 1, the center hole tops at both ends are positioned and clamped. The middle of clamp body 1 is clamp body main body 13, and the size of clamp body main body 13 is determined according to the shape of workpiece 2 and the diameter of its outer cylindrical surface, is provided with workpiece positioning surface 131 on clamp body main body 13, and the size of workpiece positioning surface 131 The shape is determined according to the shape of the bottom surface of the workpiece 2. According to the size of the central angle of the workpiece 2, a plurality of workpiece positioning surfaces 131 can be arranged on the clamp body main body 13. These workpiece positioning surfaces 131 are arranged on the outer peripheral surface of the clamp body main body 13, so in More than two workpieces 2 can be clamped on the outer peripheral surface of the clamp body main body 13 at the same time. The fixing part cooperates with the clamp body main body 13 to position and clamp the workpiece 2 on the workpiece positioning surface, wherein the positioning and clamping of the workpiece 2 on the clamp body main body 13 through the cooperation of the fixing part and the clamp body main body 13 can have various realization schemes.

As shown in Figures 2 and 3, if the bottom surface of the workpiece 2 is allowed to be provided with threaded holes, then the fixture can be a screw 3. At this time, the clamp body main body 13 can be provided with a through hole passing through the workpiece positioning surface 131, and the screw 3 The workpiece 2 is positioned and clamped on the workpiece positioning surface 131 by passing through the through hole on the main body 13 of the clamp body and locking the threaded hole on the bottom surface of the workpiece 2 .

As shown in Figure 4 and Figure 5, if the bottom surface of the workpiece 2 does not allow threaded holes, then the fixing member can be a flat pressing plate 4 or a tapered pressing plate 5, and the flat pressing plate 4 or the tapered pressing plate 5 is pressed on the end surface or Position and tighten the workpiece 2 on the side.

When the fixture is a flat pressing plate 4, as shown in Figure 4, the flat pressing plate 4 is installed on the end face of the clamp body main body 13, and extends to the top of the workpiece positioning surface 131, and is pressed on the end surface of the workpiece 2 on the workpiece positioning surface 131 , positioning and clamping the workpiece 2 on the workpiece positioning surface 131 . For example: flat pressing plate 4 is installed on the end face of clamp body main body 13 and can be provided with through hole on flat pressing plate 4, is provided with threaded hole on clamp body main body simultaneously, utilizes screw to pass through the through hole on flat pressing plate 4 and This is achieved by locking the threaded holes on the main body 13 of the clip body. As shown in FIG. 4 , a boss 6 may be provided on the outer peripheral surface of the chuck body 13 on at least one side of the workpiece positioning surface 131 , and the boss 6 cooperates with the side of the workpiece 2 to accurately position the workpiece 2 .

When the fixture is a tapered pressure plate 5, as shown in Figure 5, the tapered pressure plate 5 is installed on the outer peripheral surface of the chuck body 13 on at least one side of the workpiece positioning surface 131, and is pressed against the workpiece 2 on the workpiece positioning surface 131. On the side, the workpiece 2 is positioned and clamped on the workpiece positioning surface 131 . For example: the conical pressure plate 5 is installed on the outer peripheral surface of the clamp body body 13 on at least one side of the workpiece positioning surface 131, and the clamp body body on at least one side of the workpiece positioning surface 131 can be provided with a counterbore on the conical pressure plate 5 . 13 is provided with a through hole on the outer peripheral surface, which is realized by screwing through the counterbore on the conical pressure plate 5 and the through hole on the clamp body main body 13 and the nut locking. As shown in FIG. 5 , a boss 7 may be provided on the outer peripheral surface of the clamp body 13 on one side of the workpiece positioning surface 131 , and the boss 7 cooperates with the side of the workpiece 2 to accurately position the workpiece 2 . As shown in Figure 5, the tapered pressure plate 5 can be installed between two adjacent workpiece positioning surfaces 131 on the outer peripheral surface of the chuck body 13, and simultaneously presses on the two workpieces 2 on the adjacent two workpiece positioning surfaces 131. On the side, the two workpieces 2 are positioned and clamped on the workpiece positioning surface 131 .

In the embodiment shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, two rows of four total eight workpieces 2 are clamped respectively on the clamp body main body 13 of the clamp body 1, and according to specific conditions, also Only one row of workpieces 2 can be clamped, so that the number of workpieces 2 will be reduced by half. When the central angle of the outer cylindrical surface of the workpiece is large, two or three workpieces can be clamped on the same circumference of the main body 13 of the clamp body 1; Five or six or even more workpieces can be clamped on the same circumference of the concrete main body 13 .

The above are only preferred embodiments of the utility model, and are not intended to limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any Those who are familiar with this profession, without departing from the scope of the technical solution of the present utility model, can use the methods and technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but all without departing from the scope of the present utility model The content of the new technical solution, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model still belong to the scope of the technical solution of the utility model.

Claims (10)

1. A device for turning and grinding an outer cylindrical surface, used for processing the outer cylindrical surface of an outer cylindrical surface workpiece with a central angle of less than 180°, characterized in that: it includes a clamping body and a fixture, and the clamping body Each of the two ends of the cylinder has a section of cylinder, a central hole is provided on the end face of the cylinder, the middle of the clamp body is the clamp body main body, and a workpiece positioning surface is provided on the clamp body main body. Cooperate with the main body of the clamping body to position and clamp the workpiece on the workpiece positioning surface. 2. The device for turning and grinding the outer cylindrical surface according to claim 1, wherein the size of the main body of the clamp body is determined according to the shape of the workpiece and the diameter of the outer cylindrical surface. 3. The device for turning and grinding the outer cylindrical surface according to claim 2, wherein a plurality of workpiece positioning surfaces are arranged on the main body of the clamp body, and a plurality of the workpiece positioning surfaces are arranged on the Describe the outer peripheral surface of the clamp body. 4. The device for turning and grinding the outer cylindrical surface according to claim 1, wherein the shape of the workpiece positioning surface is determined according to the shape of the workpiece bottom surface. 5. The device for turning and grinding the outer cylindrical surface according to claim 1, wherein the fixing member is a screw, and the main body of the clamp body is provided with a through hole passing through the workpiece positioning surface, The screw passes through the through hole on the main body of the clamp body and is locked with the threaded hole on the bottom surface of the workpiece to position and clamp the workpiece on the workpiece positioning surface. 6. The device for turning and grinding the outer cylindrical surface according to claim 1, wherein the fixing member is a flat pressing plate, and the flat pressing plate is installed on the end surface of the main body of the clamping body and extends to the The top of the workpiece positioning surface is pressed against the end surface of the workpiece on the workpiece positioning surface, and the workpiece is positioned and clamped on the workpiece positioning surface. 7. The device for turning and grinding the outer cylindrical surface according to claim 6, wherein a boss is provided on the outer peripheral surface of the clamp body body on at least one side of the workpiece positioning surface, and the boss The table cooperates with the side of the workpiece to accurately position the workpiece. 8. The device for turning and grinding the outer cylindrical surface according to claim 1, wherein the fixing member is a conical pressure plate, and the conical pressure plate is installed on the at least one side of the workpiece positioning surface. The outer peripheral surface of the main body of the clamping body is pressed against the side surface of the workpiece on the workpiece positioning surface, and the workpiece is positioned and clamped on the workpiece positioning surface. 9. The device for turning and grinding the outer cylindrical surface according to claim 8, wherein a boss is arranged on the outer peripheral surface of the clamp body body on the side of the workpiece positioning surface, and the boss Cooperate with the side of the workpiece to accurately position the workpiece. 10. The device for turning and grinding the outer cylindrical surface according to claim 8, wherein the tapered pressure plate is installed between two adjacent workpiece positioning surfaces on the outer peripheral surface of the clamp body body , pressing on the side surfaces of the two workpieces adjacent to the two workpiece positioning surfaces at the same time, positioning and clamping the two workpieces on the workpiece positioning surfaces.