CN111687664A - Inclination-adjustable clamp - Google Patents

Abstract

The invention discloses a clamp with adjustable inclination, which comprises a chassis; the mounting seat is assembled on the chassis and comprises a first end and a second end, the mounting seat is arranged to face the rotation center of the chassis, the first end is close to the rotation center of the chassis, and the second end is far away from the rotation center of the chassis; the first fastener is connected between the mounting seat and the chassis; the workpiece mounting inclined plate comprises a fixed end and an open end, the fixed end is rotatably assembled at the first end, and the open end is provided with an open slot; and the adjusting part comprises a connecting part and an adjusting part, the connecting part is rotatably assembled at the second end, the adjusting part is embedded into the open slot, the adjusting part is sleeved with a locking part, the position of the adjusting part in the open slot is fixedly locked through the two locking parts, and the adjusting part is perpendicular to the workpiece mounting inclined plate after being locked. The clamp realizes the inclination angle change of the workpiece mounting inclined plate by changing the effective working length of the adjusting piece, the inclination angle of the workpiece mounting inclined plate is flexibly adjusted, and the machining requirements of various parts can be met.

Description

A jig with adjustable inclination

technical field

The invention relates to a clamp, in particular to a clamp with adjustable inclination.

Background technique

The jig with adjustable inclination provides a jig whose processing surface of the part is inclined and can be suitable for the processing of various similar parts with different inclinations.

At present, in order to realize the turning of an optical part with an oblique elliptical mirror surface on an ultra-precision lathe, it is generally necessary to fix the optical part to be processed on an inclined surface with a certain inclination angle, and then process it.

Different parts are designed with different inclination angles, so parts with different inclination angles need to be equipped with inclined plane fixtures with different inclination angles. During processing, the corresponding fixture must be replaced, which is extremely inconvenient to operate, and the number of fixtures is large, resulting in high cost.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the technical problems existing in the prior art, and to provide a fixture with adjustable inclination, which can realize flexible adjustment of the machining surface of the workpiece mounted on the fixture, has strong adaptability, and can meet the requirements of various parts. processing needs.

The technical scheme adopted in the present invention is: a fixture with adjustable inclination, comprising a chassis, a mounting seat, a first fastener, a workpiece mounting swash plate and an adjusting member;

The mounting seat is assembled to the chassis, the mounting seat includes a first end and a second end, the mounting seat is arranged to face the rotation center of the chassis, the first end is close to the rotation center of the chassis, the The second end is away from the center of rotation of the chassis, and the mounting seat can move radially along the chassis before assembly;

a first fastener is connected between the mounting seat and the chassis;

The workpiece installation inclined plate includes a fixed end and an open end, the fixed end is rotatably assembled on the first end of the mounting seat, and the open end is provided with an open groove along the length direction of the workpiece installation inclined plate; the adjustment piece includes a connection The connecting portion is rotatably assembled on the second end of the mounting seat, the adjusting portion is embedded in the opening slot, and the adjusting portion is sleeved with locks located on both sides of the opening end. The position of the adjusting part in the opening groove is fixedly locked by the two locking pieces, and after locking, the adjusting piece is installed on the inclined plate perpendicular to the workpiece.

Further, a slide rail is also included, the slide rail is installed between the chassis and the mounting seat, the slide rail points to the rotation center of the chassis, and the mounting seat can freely slide along the slide rail.

Further, the adjusting member is an adjusting screw, the adjusting portion is provided with a thread, and the locking member is a tightening nut screwed to the adjusting portion.

Further, it also includes a first optical axis and a second optical axis, the mounting seat includes a bottom plate and two side plates, the side plates are respectively installed on both sides of the bottom plate, and the side plates are provided with a first optical axis. an installation hole and a second installation hole, the two ends of the first optical axis are respectively assembled in the two first installation holes, and the two ends of the second optical axis are respectively assembled in the two second installation holes, The first optical axis and the second optical axis are parallel to each other, the fixed end of the workpiece mounting swash plate is fixedly connected to the first optical axis, and the connecting portion of the adjusting screw is fixed to the second optical axis connect.

Further, it also includes a connecting block, one end of the connecting block is sleeved on the second optical axis, and the other end is threadedly connected with the connecting portion of the adjusting screw.

Further, it also includes a second fastener, the side plate is further provided with a first slot and a second slot, one end of the first slot is communicated with the end surface of the side plate, and the other end is connected with the first slot. An installation hole or the hole wall of the second installation hole is communicated with; one end of the second slot is communicated with the hole wall of the first installation hole or the second installation hole, and the other end extends to the inside of the side plate and forms The closed end; the top of the side plate is formed with a hole passing through the second slot downward, the hole is divided into two by the second slot, the upper part is a through hole, the lower part is a threaded hole, the second tight The fastener passes through the second slot and is screwed to the threaded hole.

Further, it also includes a lathe spindle, the chassis is mounted on the lathe spindle, and the rotation center of the chassis coincides with the rotation center of the lathe spindle.

Beneficial effect: The fixture can change the position where the adjusting piece is embedded into the opening groove, that is, change the effective working length of the adjusting piece, so as to realize the change of the inclination angle of the workpiece mounting inclined plate, thereby realizing the flexible adjustment of the inclined angle of the workpiece mounting inclined plate. , greatly improving the adaptability of the fixture. The use of this fixture can meet the processing needs of various parts.

Description of drawings

Below in conjunction with accompanying drawing and embodiment, the present invention is further described:

1 is a schematic diagram of the overall structure of a clamp with an adjustable inclination;

Fig. 2 is the front view of the optical part to be processed;

Figure 3 is a side view of the optical part to be processed.

Detailed ways

This part will describe the specific embodiments of the present invention in detail, and the preferred embodiments of the present invention are shown in the accompanying drawings. Each technical feature and overall technical solution of the invention should not be construed as limiting the protection scope of the invention.

In the description of the present invention, it should be understood that the azimuth description, such as the azimuth or position relationship indicated by up, down, front, rear, left, right, etc., is based on the azimuth or position relationship shown in the drawings, only In order to facilitate the description of the present invention and simplify the description, it is not indicated or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including this number, above, below, within, etc. are understood as including this number. If it is described that the first and the second are only for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance, or indicating the number of the indicated technical features or the order of the indicated technical features. relation.

In the description of the present invention, unless otherwise clearly defined, words such as setting, installation, connection should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

1 to 3 , an embodiment of the present invention provides a clamp with adjustable inclination. The clamp is mainly composed of a chassis 1 , a mounting seat, a first fastener 5 , a workpiece mounting inclined plate 13 and an adjusting member 14 . The optical part 10 to be processed is mounted on the workpiece mounting inclined plate 13, the chassis 1 of the fixture is mounted on the main shaft of the lathe, and the rotation center of the fixture coincides with the rotation center of the main shaft of the lathe. The rotation of the main shaft of the lathe drives the entire rotation of the fixture. The longitudinal feed axis of the tool is set to be coaxial with the main shaft of the lathe, that is, coaxial with the long axis of the ellipse, and the transverse feed axis of the tool is parallel to the short axis of the ellipse, so that the turning of the oblique ellipse mirror surface can be realized. .

Specifically, the chassis 1 is a disc, and mounting holes are processed on the chassis 1 , and the mounting seat is fixedly mounted on the chassis 1 through the first fastener 5 . The mounting seat includes a first end and a second end opposite to the first end. After the mounting seat is installed on the chassis 1, it faces the rotation center of the chassis 1 as a whole. The first end is close to the rotation center of the chassis 1, and the second end is far away from the chassis. 1's center of rotation. The length direction of the mounting seat points to the center of rotation of the chassis 1 . The mounting hole is preferably a bar-shaped hole, and the bar-shaped hole is parallel to the length direction of the mounting seat, which facilitates the installation of the mounting seat close to or away from the rotation center of the chassis 1, and realizes the reasonable position adjustment of the mounting seat, so as to adapt to the processing of optical parts of different sizes. 10.

The workpiece mounting inclined plate 13 includes a fixed end and an open end opposite the fixed end. The workpiece mounting inclined plate 13 is rotated and assembled on the first end of the mounting seat through the fixed end. At the same time, the adjusting part 14 includes a connecting part and an adjusting part opposite to the connecting part, the adjusting part 14 is rotated and assembled on the second end of the mounting seat through the connecting part, the adjusting part is embedded in the opening groove, and the adjusting part is sleeved with a The locking pieces 12 on the two sides of the open end can move up and down along the adjusting part to achieve locking. After adjusting the position of the adjusting portion in the opening slot, the position of the adjusting portion can be fixedly locked by the two locking pieces 12 . The locking rear adjustment piece 14 is perpendicular to the workpiece mounting inclined plate 13 .

In the fixture, the workpiece mounting inclined plate 13 , the adjusting member 14 and the mounting seat form a right-angled triangle, and the hypotenuse of the right-angled triangle remains the same in length. By changing the length of the adjusting portion and the position in the opening slot, the length of one right-angled side of the right triangle can be changed, and the angle of the workpiece mounting inclined plate 13 compared to the chassis 1 can be changed. The optical component 10 is fixedly mounted on the workpiece mounting inclined plate 13, and the optical component 10 follows and realizes its own inclination change.

The fixture can change the inclination angle of the workpiece mounting inclined plate 13 by changing the length of the adjusting member 14 and the position of the adjusting member 14 embedded in the opening groove, thereby realizing the flexible adjustment of the inclination angle of the workpiece mounting inclined plate 13, and greatly improving the adaptability of the fixture. sex. The use of this fixture can meet the processing needs of various parts.

Further, the fixture further includes a slide rail 2 , the slide rail 2 is fixedly installed between the chassis 1 and the mounting seat, and the slide rail 2 points to the rotation center of the chassis 1 . Before the fixed installation of the mounting seat is realized by the first fastener 5, the mounting seat can be slid along the slide rail 2 to the required position according to the size of the optical part 10 to be processed, and then the first fastener 5 is used to realize the fastening Installation and adjustment are flexible.

Preferably, the adjusting member 14 is an adjusting screw, and the locking member 12 is a tightening nut. The connecting part of the adjusting screw is fixedly installed on the second end of the mounting seat, the adjusting part of the adjusting screw is threaded, the tightening nut is screwed on the adjusting part, and the two tightening nuts are separated from each other, and the two tightening nuts are adjusted during adjustment. The position on the screw determines the actual length of the adjustment part. The adjusting screw is swung so that the adjusting part is embedded in the open groove, and the two fastening nuts are respectively located on both sides of the open end. After adjusting the position of the adjusting part in the opening groove, tighten the two fastening nuts so that the bottom surfaces of the two fastening nuts abut on the side of the open end, and ensure that the adjusting screw and the workpiece mounting inclined plate 13 are vertically fixed and assembled, thereby realizing the workpiece. Fix the inclination angle required for installing the inclined plate 13.

Further preferably, it also includes a first optical axis 7 and a second optical axis 18, the mounting seat includes a bottom plate 4 and two side plates, the side plates are respectively installed on both sides of the bottom plate 4, and the side plates are provided with first mounting holes and The second installation hole, the two ends of the first optical axis 7 are respectively assembled in the two first installation holes, the two ends of the second optical axis 18 are respectively assembled in the two second installation holes, the first optical axis 7 and the second optical axis are respectively assembled in the two second installation holes. The shafts 18 are parallel to each other, the fixed end of the workpiece mounting swash plate 13 is sleeved on the first optical axis 7 and is fixedly connected to the first optical axis 7 , and the connecting portion of the adjusting screw is fixedly connected to the second optical axis 18 .

In order to facilitate the fixed connection between the connecting portion of the adjusting screw and the second optical axis 18, a connecting block is provided. It is threadedly connected with the connecting part of the adjusting screw.

Preferably, a second fastener 9 is also included. At the same time, the side plate is also provided with a first slot and a second slot, one end of the first slot is communicated with the end face of the side plate, and the other end is communicated with the hole wall of the first installation hole or the second installation hole; One end of the second slot communicates with the first mounting hole or the hole wall of the second mounting hole, and the other end extends to the inside of the side plate and forms a closed end. The top of the side plate forms a hole through the second slot downward, the hole is divided into two by the second slot, the upper part of the second slot is a through hole, the lower part is a threaded hole, and the second fastener 9 passes through the second slot. The two slots can be screwed into the threaded holes.

In this embodiment, the first slot and the second slot are disposed opposite to each other, and the two separate the first installation hole and the second installation hole into two semicircles. The diameter of the first installation hole is slightly larger than the diameter of the first optical axis 7 , and the diameter of the second installation hole is slightly larger than the diameter of the second optical axis 18 . After the first optical axis 7 and the second optical axis 18 are respectively inserted into the first installation hole and the second installation hole, they are screwed into the threaded hole through the second fastener 9, and pressure is provided to make the second slot smaller , thereby realizing the fastening of the first optical axis 7 and the second optical axis 18 . At this time, the first optical axis 7 and the second optical axis 18 are integrally connected with the mounting seat, the first optical axis 7 and the second optical axis 18 cannot rotate relative to the mounting seat, eliminating the gap between the optical axis and the mounting hole, The rigidity of the entire fixture is greatly increased, thereby improving the stability of the fixture and ensuring the machining accuracy.

Similarly, the connection method and connection structure of the workpiece mounting swash plate 13 and the first optical axis 7, as well as the connection method and connection structure of the adjusting member 14 and the second optical axis 18, can be set to be consistent with the above-mentioned first optical axis 7 and The second optical axis 18 has the same connection method and connection structure as the mounting seat, which further improves the rigidity of the entire fixture as a whole.

The embodiments of the present invention have been described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and can also be made within the scope of knowledge possessed by those of ordinary skill in the technical field without departing from the purpose of the present invention. Various changes.

Claims (7)

1. An inclination-adjustable clamp is characterized by comprising a chassis, a mounting seat, a first fastener, a workpiece mounting inclined plate and an adjusting piece;

a mounting seat is assembled on the chassis, the mounting seat comprises a first end and a second end, the mounting seat is arranged towards the rotation center of the chassis, the first end is close to the rotation center of the chassis, the second end is far away from the rotation center of the chassis, and the mounting seat can move along the radial direction of the chassis before assembly;

the first fastener is connected between the mounting seat and the chassis;

the workpiece mounting inclined plate comprises a fixed end and an open end, the fixed end is rotatably assembled at the first end of the mounting seat, and the open end is provided with an open slot along the length direction of the workpiece mounting inclined plate; the regulating part includes connecting portion and regulating part, connecting portion rotate assemble in the second end of mount pad, the regulating part embedding extremely in the open slot, the cover is equipped with respectively in the regulating part is located the locking piece of open end both sides face, the position of regulating part in the open slot is through two the fixed locking of locking piece, behind the locking the regulating part perpendicular to the workpiece mounting swash plate.

2. The inclination-adjustable clamp according to claim 1, wherein: the sliding rail is arranged between the chassis and the mounting seat, the sliding rail points to the rotating center of the chassis, and the mounting seat can freely slide along the sliding rail.

3. The inclination adjustable clamp according to claim 1 or 2, wherein: the adjusting piece is an adjusting screw rod, the adjusting part is provided with threads, and the locking piece is screwed with a fastening nut of the adjusting part.

4. The inclination adjustable clamp according to claim 3, wherein: still include first optical axis and second optical axis, the mount pad includes bottom plate and two curb plates, the curb plate install respectively in the both sides of bottom plate, be provided with first mounting hole and second mounting hole on the curb plate, the both ends of first optical axis assemble respectively in two first mounting hole, the both ends of second optical axis assemble respectively in two the second mounting hole, first optical axis with the second optical axis is parallel to each other, the stiff end of work piece installation swash plate with first optical axis fixed connection, adjusting screw's connecting portion with second optical axis fixed connection.

5. The inclination adjustable clamp according to claim 4, wherein: the optical axis adjusting device is characterized by further comprising a connecting block, wherein one end of the connecting block is sleeved on the second optical axis, and the other end of the connecting block is in threaded connection with the connecting portion of the adjusting screw rod.

6. The inclination adjustable clamp according to claim 4, wherein: the side plate is also provided with a first slot and a second slot, one end of the first slot is communicated with the end face of the side plate, and the other end of the first slot is communicated with the hole wall of the first mounting hole or the second mounting hole; one end of the second slot is communicated with the hole wall of the first mounting hole or the second mounting hole, and the other end of the second slot extends into the side plate to form a closed end; and a hole penetrating through the second slot is formed downwards at the top of the side plate, the hole is divided into two parts by the second slot, a through hole is formed at the upper part, a threaded hole is formed at the lower part, and the second fastening piece penetrates through the second slot and is in threaded connection with the threaded hole.

7. The inclination-adjustable clamp according to any one of claims 1 to 6, wherein: the lathe is characterized by further comprising a lathe spindle, the chassis is mounted on the lathe spindle, and the rotating center of the chassis is overlapped with the rotating center of the lathe spindle.

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