CN209439992U - A kind of grinding machine fixed fixture - Google Patents

Abstract

The utility model relates to a fixed jig for a grinder, which comprises a lower base plate, a plurality of slide bars vertically arranged on the lower base plate, an upper base plate movably connected to the slide bars, and a lower plate set on the lower base plate for clamping workpieces. The clamping plate is arranged on the bottom surface of the upper base plate and matches the upper clamping plate with the lower clamping plate. A threaded screw is vertically arranged on the lower base plate, and the lead screw is connected with the upper base plate. A support is also vertically arranged on the lower base plate. The side of the supporting plate is provided with a driving member for driving the screw to rotate. The utility model is provided with an upper clamping plate and a lower clamping plate. The lower clamping plate is provided with a plurality of lower grooves, and the upper clamping plate is provided with a plurality of corresponding upper grooves, which can clamp multiple workpieces at the same time. Driven by the driving part, the upper clamping plate can automatically complete clamping and loosening actions, which improves work efficiency and reduces labor intensity. On the other hand, the upper clamping plate and the lower clamping plate of the utility model can be replaced according to the model of the workpiece, and have strong versatility.

Description

A grinder fixture

technical field

The utility model relates to the technical field of hardware production and processing, in particular to a fixing jig for a grinding machine.

Background technique

A grinder is a machine tool that uses abrasive tools to grind the surface of a workpiece. Grinding machines use high-speed rotating grinding wheels, or use oil stones, abrasive belts and other abrasive tools and free abrasives for grinding, such as honing machines, superfinishing machine tools, abrasive belt grinders, grinding machines and polishing machines. Therefore, when the workpiece is ground, it is necessary to fix the workpiece to avoid displacement during processing and affect the processing quality. In the traditional fixing method, the workpiece is generally clamped by a vise-type fixture. However, this method can only clamp one workpiece at a time during processing, and it is necessary to repeatedly loosen and lock the fixture when changing the workpiece, and most of them are operated manually, and it takes a lot of effort to lock it. The efficiency is low and the labor intensity is high.

Utility model content

In order to solve the above problems, the utility model provides a grinding machine fixture that can clamp multiple workpieces at the same time.

The utility model adopts following scheme to realize:

A grinding machine fixture, comprising a lower base plate, a plurality of slide bars vertically arranged on the lower base plate, an upper base plate movably connected to the slide bars, and a lower clamping plate set on the lower base plate for clamping workpieces, The upper clamping plate matched with the lower clamping plate arranged at the bottom surface of the upper base plate, a threaded screw is vertically arranged on the lower base plate, and the lead screw is connected with the upper base plate, and a support plate is vertically arranged on the lower base plate, and the support plate The side is provided with a driving member for driving the screw to rotate; between the lower clamping plate and the lower base plate, and between the upper clamping plate and the upper base plate are all detachable connections; the lower clamping plate is provided with a A plurality of lower grooves for placing workpieces, and a plurality of upper grooves corresponding to the lower grooves are provided on the bottom surface of the upper clamping plate.

Further, the lower substrate is provided with a plurality of lower connecting grooves for connecting the lower clamping plate, and the bottom surface of the lower clamping plate is provided with a lower connecting portion whose shape and size match the lower connecting grooves.

Further, the upper base plate is provided with a plurality of upper connecting grooves for connecting the upper clamping plate, and the bottom surface of the upper clamping plate is provided with an upper connecting portion whose shape and size match the upper connecting grooves.

Further, the cross section of the upper connecting groove and the lower connecting groove is trapezoidal.

Further, the cross-sectional shape of the upper groove and the lower groove is square.

Further, the upper clamping plate and the upper base plate, and the lower clamping plate and the lower base plate are all fixed by screw connection.

Further, the bottom of the lower base plate is provided with connecting feet for connecting to a grinding machine.

Further, the top of the slide bar is provided with a stopper for limiting the moving position of the upper substrate.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model is provided with an upper clamping plate and a lower clamping plate. The lower clamping plate is provided with a plurality of lower grooves, and the upper clamping plate is provided with a plurality of corresponding upper grooves, which can clamp multiple workpieces at the same time. Driven by the driving part, the upper clamping plate can automatically complete clamping and loosening actions, which improves work efficiency and reduces labor intensity. On the other hand, the upper clamping plate and the lower clamping plate of the utility model can be replaced according to the model of the workpiece, and have strong versatility.

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of a grinding machine fixture provided by the present invention.

Fig. 2 is a cross-sectional view of this embodiment.

Fig. 3 is an enlarged view of part A in Fig. 2 .

Fig. 4 is an enlarged view of part B in Fig. 2 .

FIG. 5 is a cross-sectional view from another angle of this embodiment.

Detailed ways

In order to facilitate those skilled in the art to understand the utility model, the utility model will be further described in detail below in conjunction with specific embodiments and accompanying drawings.

Referring to Fig. 1 to Fig. 5, a grinding machine fixture provided by the utility model includes a lower base plate 1, a plurality of slide bars 2 vertically arranged on the lower base plate, and an upper base plate 3 movably connected to the slide bars, arranged on the lower base plate The lower clamping plate 4 for clamping the workpiece on the base plate is arranged on the upper clamping plate 5 matched with the lower clamping plate at the bottom surface of the upper base plate, and a lead screw 6 is vertically arranged on the lower base plate, and the lead screw and the The upper base plate is connected, and a support plate 61 is vertically arranged on the lower base plate, and a driving member 62 for driving the screw to rotate is provided on the side of the support plate. In this embodiment, the driving member is a torque motor. A stopper 21 for limiting the moving position of the upper substrate is provided on the top of the slide bar 2 . The bottom of the lower base plate 1 is provided with connecting pins 8 for connecting to a grinding machine.

Both the lower clamping plate 4 and the lower base plate 1, and the upper clamping plate 5 and the upper base plate 3 are detachably connected. The lower clamping plate 4 is provided with a plurality of lower grooves 41 for placing workpieces, and the bottom surface of the upper clamping plate 5 is provided with a plurality of upper grooves 51 corresponding to the lower grooves.

The lower base plate 1 is provided with a plurality of lower connecting grooves 11 for connecting the lower clamping plate, and the bottom surface of the lower clamping plate 4 is provided with a lower connecting portion 42 whose shape and size match the lower connecting groove, and the lower connecting portion is inserted into the lower connecting groove by sliding. in the slot. The upper base plate 3 is provided with a plurality of upper connecting grooves 31 for connecting the upper clamping plate 5, and the bottom surface of the upper clamping plate 5 is provided with an upper connecting portion 52 whose shape and size match the upper connecting grooves, and the upper connecting portion is inserted into the upper connecting groove by sliding. connection slot.

The cross-sections of the upper connecting groove 31 and the lower connecting groove 11 are trapezoidal, and may also be arc-shaped, square or other shapes during specific implementation. The cross-sectional shape of the upper groove 51 and the lower groove 41 is square. During specific implementation, the shape of the upper groove and the lower groove can be adjusted according to the shape of the workpiece, that is, the upper clamping plate and the lower The clamping plate is replaced according to the model of the workpiece. Between the upper clamping plate 5 and the upper base plate 3 , between the lower clamping plate 4 and the lower base plate 1 are connected and fixed by screws 7 .

During specific work, the lower base plate is fixed to the grinding machine through the connecting feet, specifically, it can be fixed by screws or bolts. Install the corresponding upper clamping plate and lower clamping plate according to the workpiece model, and then place the workpiece into the lower groove. At this time, the driving part drives the lead screw to rotate, and the upper base plate moves down to drive the upper clamping plate to move down, clamping the workpiece, and then the grinding process can be carried out.

The utility model is provided with an upper clamping plate and a lower clamping plate. The lower clamping plate is provided with a plurality of lower grooves, and the upper clamping plate is provided with a plurality of corresponding upper grooves, which can clamp multiple workpieces at the same time. Driven by the driving part, the upper clamping plate can automatically complete clamping and loosening actions, which improves work efficiency and reduces labor intensity. On the other hand, the upper clamping plate and the lower clamping plate of the utility model can be replaced according to the model of the workpiece, and have strong versatility.

In the description of the utility model, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying Any device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention.

In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In the present utility model, unless otherwise clearly specified and limited, terms such as "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral body; it can be A mechanical connection can also be an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be an internal communication between two components or an interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Although the description of the utility model is performed in conjunction with the above specific embodiments, it is obvious that those skilled in the art can make many substitutions, modifications and changes based on the above contents. Accordingly, all such alternatives, improvements and changes are intended to be included within the scope of the appended claims.

Claims (8)

1. A grinding machine fixed jig is characterized in that it comprises a lower base plate, a plurality of slide bars vertically arranged on the lower base plate, an upper base plate movably connected on the slide bar, and a base plate arranged on the lower base plate for clamping workpieces. The lower clamping plate is arranged on the bottom surface of the upper base plate and matches the upper clamping plate with the lower clamping plate. A threaded screw is vertically arranged on the lower base plate, and the lead screw is connected with the upper base plate. There is a support plate, and the side of the support plate is provided with a driving member for driving the screw to rotate; the connection between the lower clamping plate and the lower base plate, and between the upper clamping plate and the upper base plate are detachable; the lower clamping plate The holding plate is provided with a plurality of lower grooves for placing workpieces, and the bottom surface of the upper clamping plate is provided with a plurality of upper grooves corresponding to the lower grooves. 2. The grinding machine fixture according to claim 1, wherein the lower base plate is provided with a plurality of lower connecting grooves for connecting the lower clamping plate, and the bottom surface of the lower clamping plate is provided with a shape dimension and The lower connecting part that matches the lower connecting groove. 3. The grinding machine fixing fixture according to claim 2, wherein the upper base plate is provided with a plurality of upper connecting grooves for connecting the upper clamping plate, and the bottom surface of the upper clamping plate is provided with a shape dimension and The upper connection part that matches the upper connection groove. 4 . The grinding machine fixture according to claim 3 , wherein the cross-sections of the upper connecting groove and the lower connecting groove are trapezoidal. 5 . The grinding machine fixture according to claim 1 , wherein the cross-sectional shape of the upper groove and the lower groove is square. 6 . 6. The grinding machine fixture according to claim 1, characterized in that, the upper clamping plate and the upper base plate, and the lower clamping plate and the lower base plate are fixed by screws. 7 . The fixture for grinding machine according to claim 1 , characterized in that, the bottom of the lower base plate is provided with a connecting foot for connecting to a grinding machine. 7 . 8 . The fixture for grinding machines according to claim 1 , wherein a stopper for limiting the moving position of the upper base plate is provided on the top of the slide bar. 9 .