CN206241733U - A kind of digital control lathe clamper - Google Patents

Abstract

The utility model discloses a fixture for a numerically controlled lathe, which comprises a disk and a workpiece fixing sleeve. The left side of the workpiece fixing sleeve is open, and a base is fixedly installed on the right side. The inside of the workpiece fixing sleeve is arranged in a cylindrical structure. The outer wall of the workpiece fixing sleeve The thicker the left side is, the thinner the outer wall becomes on the right side. There are three transverse openings on the outer wall on the left side of the workpiece fixing sleeve. The three openings are distributed in a triangular structure. The left side of the workpiece fixing sleeve is divided into three arc-shaped clamping through the three openings. The outer wall surface of the workpiece fixing sleeve is covered with threads from left to right, and the disc is meshed and connected to the outer wall surface of the workpiece fixing sleeve. Four support rods are fixedly installed around the disc on the outer ring surface of the disc. The upper end of the support rod A handle is fixedly installed. The utility model has the advantages of simple structure, convenient use, fast and firm fixing of the workpiece, avoiding the shaking of the workpiece, and relatively simple disassembly of the workpiece without knocking on the workpiece body, thereby preventing the appearance of the workpiece from being damaged.

Description

A CNC lathe fixture

technical field

The utility model relates to the technical field of mechanical processing, in particular to a clamp for a numerically controlled lathe.

Background technique

At present, in gear processing at home and abroad, most of the fixtures of CNC lathes are centered by expanding sleeve type mandrels. At present, when CNC lathes are used to process intermediate shaft (light hole) gears, the processing method used is to use three claws on one side and a clamp on the other. After opening, the expansion sleeve is still in the tensioned state and cannot be removed. At this time, it is necessary to tap the workpiece lightly with a copper rod to unload the workpiece. This will inevitably cause bumps on the workpiece, which will affect the appearance quality of the workpiece.

Contents of the invention

The technical problem to be solved by the utility model is to provide a CNC lathe fixture with simple structure, convenient use, fast and firm fixation of the workpiece, avoiding the shaking of the workpiece, and relatively simple removal of the workpiece.

The utility model is realized through the following technical solutions: a fixture for a numerically controlled lathe, including a disc and a workpiece fixing sleeve, the workpiece fixing sleeve is open on the left side, and a base is fixedly installed on the right side, and the base is fixed by more than one fixing bolt Installed on the spindle, the inside of the workpiece fixing sleeve is set in a cylindrical structure. The outer wall of the workpiece fixing sleeve is thicker on the left side and becomes thinner as it goes to the right side. There are three transverse openings on the outer wall on the left side of the workpiece fixing sleeve. The length of the opening is It accounts for about 2/3 of the length of the workpiece fixing sleeve. The three openings are distributed in a triangular structure. The left side of the workpiece fixing sleeve is divided into three arc-shaped clamping plates through three openings. The outer wall of the workpiece fixing sleeve is covered with threads from left to right. The disc is meshed and connected to the outer wall surface of the workpiece fixing sleeve. Four support rods are fixedly installed around the disc on the outer ring surface of the disc. A handle is fixedly installed on the upper ends of the support rods. The four support rods are distributed in a square structure.

As a preferred technical solution, the base is arranged in a circular structure, and the base is provided with more than one screw hole, and the more than one screw hole is in a ring structure respectively, and the more than one screw hole runs through the base from left to right, and a screw rod is engaged and connected in the screw hole A positioning block is fixedly installed on one end of the screw rod, a rubber layer is fixedly installed on the left side of the positioning block, and the rubber layer is all offset against the right side of the disc, and a rotating block is fixedly installed on the other end of the screw rod.

As a preferred technical solution, the disc is made of alloy material.

As a preferred technical solution, the workpiece fixing sleeve is made of titanium alloy material.

The beneficial effects of the utility model are: the utility model has a simple structure and is easy to use. Since the outer wall on the left side of the workpiece fixing sleeve is relatively thick, when the disk is rotated to the left, the disk will press the workpiece fixing sleeve inward until the The inner wall surface of the clamping plate on the workpiece fixing sleeve is against the outer wall surface of the workpiece located in the workpiece fixing strip, and the right side of the disc is fixed by the positioning block, which avoids the movement of the disc, thereby increasing the firmness and stability of the workpiece. stability.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the left side view of the workpiece fixing sleeve of the present utility model.

detailed description

All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

As shown in Figure 1, a kind of numerical control lathe fixture of the present utility model comprises disc 9 and workpiece fixing sleeve 10, and described workpiece fixing sleeve 10 left opening, and right side is fixedly installed a base 4, and base 4 passes through more than one The fixing bolt is fixedly installed on the main shaft, and the inside of the workpiece fixing sleeve 10 is arranged in a cylindrical structure. The outer wall of the workpiece fixing sleeve 10 is thicker on the left side and becomes thinner as it goes to the right side. The opening 11, the length of the opening 11 accounts for about 2/3 of the length of the workpiece fixing sleeve 10, the three openings 11 are distributed in a triangular structure, the left side of the workpiece fixing sleeve 10 is divided into three arc-shaped clamping plates 12 through the three openings 11, the workpiece The outer wall surface of the fixing sleeve 10 is covered with threads from left to right (not shown), the disc 9 is meshed and connected to the outer wall surface of the workpiece fixing sleeve 10, and the outer ring surface of the disc 9 is fixedly installed four times around the disc 9. A support rod 6, a handle 7 is fixedly installed on the upper end of the support rod 6, and four support rods 6 are distributed in a square structure.

The base 4 is arranged in a circular structure, and the base 4 is provided with more than one screw hole 3, and the more than one screw hole 3 is in a circular structure respectively, and more than one screw hole 3 runs through the base 4 left and right, and the screw holes 3 are all meshed Connect a screw rod 2, a positioning block 5 is fixedly installed on one end of the screw rod 2, and a rubber layer 8 is fixedly installed on the left side of the positioning block 5, and the rubber layer 8 is all against the right side of the disc 9, and the other end of the screw rod 2 A rotating block 1 is fixedly installed on the top.

Wherein, the disc 9 is made of alloy material, which increases firmness and hardness; the workpiece fixing sleeve 10 is made of titanium alloy material, so that the workpiece fixing sleeve has a memory function, and the workpiece fixing sleeve can be returned to its original state after taking out the workpiece. It is convenient for fixing next time.

Working principle: first insert the workpiece into the workpiece fixing sleeve along the opening on the left side of the workpiece fixing sleeve. In the process of moving to the left, the disc will continuously squeeze the clamping plate on the workpiece fixing sleeve inward, so that the size of the opening between the clamping plates will be continuously reduced until the inner wall surface of the clamping plate is aligned with the outer surface of the workpiece. The walls are against each other, so that the workpiece is fixed in the workpiece fixing sleeve. In order to avoid the displacement of the disc during operation, the screw is moved to the left through the rotating block, so that the rubber layer on the positioning block is close to the right side of the disc. Effectively avoid the disk to move to the right.

When it is necessary to take out the workpiece, just operate in reverse according to the above.

The beneficial effects of the utility model are: the utility model has a simple structure and is easy to use. Since the outer wall on the left side of the workpiece fixing sleeve is relatively thick, when the disk is rotated to the left, the disk will press the workpiece fixing sleeve inward until the The inner wall surface of the clamping plate on the workpiece fixing sleeve is against the outer wall surface of the workpiece located in the workpiece fixing strip, and the right side of the disc is fixed by the positioning block, which avoids the movement of the disc, thereby increasing the firmness and stability of the workpiece. stability.

The above is only a specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any change or replacement that is not thought of through creative work should be covered within the scope of protection of the utility model . Therefore, the protection scope of the present utility model should be determined by the protection scope defined in the claims.

Claims (4)

1. A numerically controlled lathe fixture, is characterized in that: comprise disk and workpiece fixed cover, described workpiece fixed cover left side opening, the right side is fixedly installed a base, base is fixedly installed on the main shaft by more than one fixing bolt, workpiece The inside of the fixing sleeve is set in a cylindrical structure. The outer wall of the workpiece fixing sleeve is thicker on the left side and becomes thinner to the right side. There are three transverse openings on the outer wall on the left side of the workpiece fixing sleeve. 2/3, the three openings are distributed in a triangular structure, the left side of the workpiece fixing sleeve is divided into three arc-shaped clamping plates through the three openings, the outer wall of the workpiece fixing sleeve is covered with threads from left to right, and the disc is meshed and connected to the workpiece On the outer wall surface of the fixing sleeve, four support rods are fixedly installed around the disc on the outer ring surface of the disc, and a handle is fixedly installed on the upper ends of the support rods, and the four support rods are distributed in a square structure. 2. The CNC lathe fixture according to claim 1, characterized in that: the base is arranged in a circular structure, and the base is provided with more than one screw hole, and the more than one screw hole is in a ring structure respectively, and the more than one screw hole is left and right. Through the base, a screw is meshed in the screw hole, a positioning block is fixedly installed on one end of the screw, a rubber layer is fixedly installed on the left side of the positioning block, and the rubber layer is against the right side of the disc, and the other end of the screw A rotating block is fixedly installed on them. 3. The CNC lathe clamp according to claim 1, characterized in that: the disc is made of alloy material. 4. The CNC lathe fixture according to claim 1, characterized in that: the workpiece fixing sleeve is made of titanium alloy material.