CN206382904U - A kind of lathe positioning fixture - Google Patents

Abstract

The utility model discloses a machine tool positioning fixture. The machine tool positioning fixture provided by the utility model can realize convenient, fast and stable positioning of workpieces through the X-axis positioning device, Y-axis positioning device and Z-axis positioning device erected on the base plate. Reliable clamping can effectively improve the processing quality of products.

Description

A machine tool positioning fixture

technical field

The utility model relates to the technical field of fixtures, in particular to a positioning fixture for machine tools.

Background technique

In the prior art, during the CNC machining process of the workpiece, due to the lack of necessary positioning fixtures, the positioning of the workpiece is inaccurate and easy to loosen, which affects the machining accuracy and further affects the product quality.

Utility model content

The purpose of the utility model is to provide a machine tool positioning fixture with convenient clamping and stable and reliable positioning.

For this purpose, the utility model adopts the following technical solutions:

A positioning fixture for a machine tool, comprising a substrate, an X-axis positioning device arranged at both ends of the substrate, a Y-axis positioning device adjacent to the X-axis positioning device, and a Z-axis positioning device adjacent to the Y-axis positioning device. Axis positioning device; the X-axis positioning device includes an X-axis positioning seat, a first driving cylinder fastened to the X-axis positioning seat, fastened to the power output end of the first driving cylinder and along the X axis of the base plate The first positioning frame that moves back and forth in the axial direction, and the second positioning frame that is arranged at the other end of the substrate and is opposite to the first positioning frame; the Y-axis positioning device includes a Y-axis positioning seat, and the Y-axis The second drive cylinder fastened to the positioning seat, the first pressure plate fastened to the power output end of the second drive cylinder and moving left and right along the Y-axis direction of the base plate, and the positioning plate arranged in parallel with the first pressure plate plate; the Z-axis positioning device includes a Z-axis positioning seat, a third driving cylinder fastened to the Z-axis positioning seat, a second pressure plate hinged to the power output end of the third driving cylinder, and the The middle part of the second pressing plate is hinged with a connecting rod for the second pressing plate to move up and down along the Z-axis direction of the base plate, and a supporting column arranged under the second pressing plate.

Wherein, the first positioning frame includes a beam fastened to the power output end of the first driving cylinder, and positioning columns vertically arranged at both ends of the beam.

Wherein, the Y-axis positioning device and the Z-axis positioning device are arranged in pairs.

Wherein, the base plate is erected on the machine table and fastened by T-shaped screws.

Wherein, the top of the support column is in conflict with the lower bottom surface of the workpiece.

Beneficial effects of the utility model: the machine tool positioning fixture provided by the utility model can realize convenient, fast, stable and reliable clamping of workpieces through the X-axis positioning device, Y-axis positioning device, and Z-axis positioning device erected on the base plate , and then effectively improve the quality of product processing.

Description of drawings

Fig. 1 is the axonometric view after the workpiece of the utility model cooperates with the positioning fixture of the machine tool.

Fig. 2 is an axonometric view of the positioning fixture of the machine tool of the present invention.

Fig. 3 is a perspective view of the X-axis positioning device in Fig. 2 .

Fig. 4 is a perspective view of the Y-axis positioning device in Fig. 2 .

Fig. 5 is a perspective view of the Z-axis positioning device in Fig. 2 .

detailed description

The technical scheme of the utility model will be further described below in conjunction with the accompanying drawings and through specific embodiments.

As shown in FIGS. 1 to 5 , a positioning fixture for a machine tool in this embodiment includes a base plate 1 , an X-axis positioning device 2 arranged at both ends of the base plate 1 , and a Y-axis positioning device adjacent to the X-axis positioning device 2 . An axis positioning device 3, and a Z-axis positioning device 4 arranged adjacent to the Y-axis positioning device 3; A driving cylinder 22, a first positioning frame 23 fastened to the power output end of the first driving cylinder 22 and moving back and forth along the X-axis direction of the substrate, and the other end of the substrate 1 and the first positioning frame 23 The second positioning frame 24 opposite to the positioning frame 23; the Y-axis positioning device 3 includes a Y-axis positioning seat 31, a second driving cylinder 32 fastened to the Y-axis positioning seat 31, and the second driving cylinder The power output end of 32 is fastened and the first pressing plate 33 that moves left and right along the Y-axis direction of the substrate, and the positioning plate 34 that is arranged in parallel with the first pressing plate 33; the Z-axis positioning device 4 includes a Z-axis positioning Seat 41, the third drive cylinder 44 fastened to the Z-axis positioning seat 41, the second pressure plate 43 hinged to the power output end of the third drive cylinder 44, and the middle part of the second pressure plate 43 A connecting rod 44 hinged for the second pressing plate 43 to move up and down along the Z-axis direction of the substrate, and a support column 45 disposed below the second pressing plate 43 . The top of the support column 45 is in contact with the lower bottom surface of the workpiece. The base plate 1 is erected on the machine tool table and fastened by T-shaped screws.

Specifically, in this embodiment, the first positioning frame 23 includes a beam 231 fastened to the power output end of the first driving cylinder 22 , and positioning columns 232 vertically arranged at both ends of the beam 231 . As shown in FIG. 1 , the first positioning frame and the second positioning frame cooperate with each other, and can conveniently press the two ends of the workpiece tightly, so as to realize the positioning of the X-axis. In order to further cooperate with the X-axis positioning device and effectively improve workpiece clamping efficiency, the Y-axis positioning device 3 and the Z-axis positioning device 4 are arranged in pairs. In this way, double-station operations are realized.

The technical principles of the present utility model have been described above in conjunction with specific embodiments. These descriptions are only for explaining the principle of the utility model, and cannot be construed as limiting the protection scope of the utility model in any way. Based on the explanations herein, those skilled in the art can think of other specific implementations of the present utility model without creative work, and these forms will all fall within the protection scope of the present utility model.

Claims (5)

1. a kind of lathe positioning fixture, it is characterised in that：Including substrate, be arranged at the substrate two ends X-axis positioner, with Y-axis positioner that the X-axis positioner is disposed adjacent and the Z axis positioning dress being disposed adjacent with the Y-axis positioner Put；The X-axis positioner includes X-axis positioning seat, the first drive cylinder fastened with the X-axis positioning seat and described first The first locating rack and be arranged at institute that the clutch end of drive cylinder is fastened and moved forward and backward along the substrate X-direction State the second locating rack that the substrate other end is oppositely arranged with first locating rack；The Y-axis positioner is positioned including Y-axis Seat, the second drive cylinder fastened with the Y-axis positioning seat, with the fastening of the clutch end of second drive cylinder and along institute The location-plate stated the first pressing plate of substrate Y direction side-to-side movement and set with the first pressing plate parallel interval；The Z Axle positioner includes Z axis positioning seat, the 3rd drive cylinder fastened with the Z axis positioning seat and the 3rd drive cylinder Clutch end be hinged the second pressing plate, with being hinged in the middle part of second pressing plate for second pressing plate along described The connecting rod of substrate Z-direction up and down motion and the support column being arranged at below second pressing plate.

2. a kind of lathe positioning fixture according to claim 1, it is characterised in that：First locating rack include with it is described The crossbeam of the clutch end fastening of first drive cylinder and the locating dowel for being vertically installed in the crossbeam two ends.

3. a kind of lathe positioning fixture according to claim 1, it is characterised in that：The Y-axis positioner and the Z axis Positioner is arranged in pairs.

4. a kind of lathe positioning fixture according to claim 1, it is characterised in that：The substrate is set up and platen And pass through T-shaped fastened by screw.

5. a kind of lathe positioning fixture according to claim 1, it is characterised in that：The top of the support column and workpiece Bottom surface is inconsistent.