CN218253948U

CN218253948U - Lathe fixture

Info

Publication number: CN218253948U
Application number: CN202222024495.4U
Authority: CN
Inventors: 王�华; 王卫星; 杨俊扣
Original assignee: Tianjin Yishan Construction Machinery Co Ltd
Current assignee: Tianjin Yishan Construction Machinery Co Ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-01-10
Anticipated expiration: 2032-07-29

Abstract

The utility model provides a lathe fixture, which comprises a bottom plate and two clamping components correspondingly arranged, wherein each clamping component comprises a mounting plate clamping block, two side plates are fixedly arranged on the mounting plate, guide bosses are fixedly arranged on two sides of each clamping block, guide grooves matched with the guide bosses are formed in the side plates, the clamping blocks are arranged between the two side plates, the guide bosses are arranged on the inner sides of the guide grooves, clamping grooves matched with workpieces to be machined are formed in the clamping blocks, and tightening bolts are correspondingly arranged at the ends, away from the clamping grooves, of the clamping blocks and are in threaded connection with the mounting plates; the mounting plate is fixedly connected with the bottom plate. The utility model discloses beneficial effect: the working efficiency is improved.

Description

Lathe fixture

Technical Field

The utility model belongs to the technical field of the parts machining, especially, relate to a lathe fixture.

Background

In the part machining process, the inner hole turning operation is needed to be carried out after the inner holes on one part of parts are drilled, so that the machining precision of the inner holes, especially the parts with special purposes, are ensured, the inner holes to be machined are two circular holes with overlapped parts, the clamp is needed to be used for fixing, the current machining method is to use a pressing plate to be matched with a bolt to be machined and fixed on a bottom plate, then the bottom plate is clamped by a three-jaw chuck, and the clamp has the following problems: when one hole is machined, the pressing plate needs to be detached, then the position of a workpiece is adjusted to perform next hole turning operation, and the process of aligning the axis of the hole to be machined and the axis of the three-jaw chuck to coincide is complex, so that the working efficiency of inner hole turning operation is low.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a turning attachment to current anchor clamps work efficiency is low problem.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a lathe fixture comprises a bottom plate and two clamping assemblies arranged correspondingly, wherein each clamping assembly comprises a mounting plate clamping block, two side plates are fixedly arranged on the mounting plate, guide bosses are fixedly arranged on two sides of each clamping block, guide grooves matched with the guide bosses are formed in the side plates, the clamping blocks are arranged between the two side plates, the guide bosses are arranged on the inner sides of the guide grooves, clamping grooves matched with workpieces to be machined are formed in the clamping blocks, tightening bolts are correspondingly arranged at one ends, far away from the clamping grooves, of the clamping blocks, and the tightening bolts are in threaded connection with the mounting plate;

the mounting plate is fixedly connected with the bottom plate.

Furthermore, a hexagonal prism is fixedly arranged at one end, far away from the clamping assembly, of the bottom plate.

Further, set firmly on the mounting panel with press from both sides tight piece and keep away from the riser that presss from both sides tight groove one end and correspond, it has the tight screw hole in top to open on the riser, top tight bolt and riser threaded connection, top tight bolt top tightly presss from both sides tight piece.

Furthermore, a compression spring is arranged on the outer side of the puller bolt and is positioned between the vertical plate and the clamping block.

Furthermore, the distance between the vertical plate and the side plate is greater than the length of the clamping blocks, the types of the clamping blocks are various, and the clamping grooves of the clamping blocks in different types are different in size, so that the clamping device is suitable for workpieces to be machined in different sizes.

Furthermore, a hand buckle groove is formed in the clamping block.

Further, it has the installation through-hole to open on the mounting panel, it has the installation screw hole that corresponds with the installation through-hole to open on the bottom plate, the quantity of installation screw hole is a plurality of, the installation screw hole evenly sets up along the length direction of bottom plate, the installation through-hole correspondence is equipped with mounting bolt, mounting bolt runs through installation through-hole and bottom plate threaded connection.

Compared with the prior art, a turning attachment have following beneficial effect:

(1) A turning attachment, not hard up puller bolt, remove and press from both sides tight piece, will treat that the machined part is placed between two tight pieces of clamp, then adjust two puller bolt's position respectively, make the machined part treat the machined hole and hexagonal prism coaxial line, when needs process another one and treat the machined hole, adjust two puller bolt's position once more respectively, make another one treat the machined hole and hexagonal prism coaxial line, operation process is simple, has improved work efficiency.

(2) A turning attachment, the model of pressing from both sides tight piece has a plurality ofly, the tight groove size difference of pressing from both sides of the tight piece of different models clamp is applicable to not unidimensional machined part of treating, has widened the application scope of anchor clamps.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic view of a three-dimensional structure of a clamp according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a clamping assembly according to an embodiment of the present invention;

fig. 3 is a schematic view of a three-dimensional structure of a mounting plate according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a clamping block according to an embodiment of the present invention;

fig. 5 is a schematic view of a three-dimensional structure of a bottom plate according to an embodiment of the present invention;

fig. 6 is a schematic view of a cross-sectional structure of a clamp according to an embodiment of the present invention.

Description of reference numerals:

1. a base plate; 2. a clamping assembly; 3. a workpiece to be processed; 101. a hexagonal prism; 102. installing a threaded hole; 201. mounting a plate; 202. a clamping block; 203. a side plate; 204. a vertical plate; 205. tightening the bolt; 206. a compression spring; 20201. a clamping groove; 20202. a guide boss; 20203. a buckle slot; 20301. a guide groove; 20401. tightly propping the threaded hole; 301. and (5) processing a hole.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 to 6, a lathe fixture comprises a base plate 1 and two clamping assemblies 2 correspondingly arranged, wherein each clamping assembly 2 comprises a mounting plate 201 and a clamping block 202, two side plates 203 are fixedly arranged on the mounting plate 201, guide bosses 20202 are fixedly arranged on two sides of the clamping block 202, guide grooves 20301 matched with the guide bosses 20202 are formed in the side plates 203, the clamping block 202 is arranged between the two side plates 203, the guide bosses 20202 are arranged on the inner sides of the guide grooves 20301, clamping grooves 20201 matched with a workpiece 3 to be machined are formed in the clamping block 202, jacking bolts 205 are correspondingly arranged at one ends, far away from the clamping grooves 20201, of the clamping block 202, and the jacking bolts 205 are in threaded connection with the mounting plate 201; the mounting plate 201 is fixedly connected with the bottom plate 1. The mounting plate 201 is fixedly provided with a vertical plate 204 corresponding to one end of the clamping block 202 far away from the clamping groove 20201, the vertical plate 204 is provided with a tightening threaded hole 20401, a tightening bolt 205 is in threaded connection with the vertical plate 204, and the tightening bolt 205 tightens the clamping block 202. And a compression spring 206 is arranged outside the jacking bolt 205, and the compression spring 206 is positioned between the vertical plate 204 and the clamping block 202. The distance between the vertical plate 204 and the side plate 203 is greater than the length of the clamping blocks 202, the types of the clamping blocks 202 are various, and the clamping grooves 20201 of the clamping blocks 202 of different types have different sizes, so that the clamp is suitable for workpieces 3 to be machined with different sizes, and the application range of the clamp is widened. The clamping block 202 is provided with a hand groove 20203, and the hand groove 20203 facilitates the hand of the operator to insert and move the clamping block 202. The end face of the clamping groove 20201 close to the puller bolt 205 is abutted against the workpiece 3 to be processed, and the upper end face of the clamping groove 20201 is limited to the workpiece 3 to be processed, so that the workpiece 3 to be processed is prevented from falling off. When the clamping block 202 of different models needs to be replaced, the puller bolt 205 and the compression spring 206 are detached, then the guide boss 20202 of the clamping block 202 is inserted in alignment with the guide groove 20301, and finally the puller bolt 205 and the compression spring 206 are installed. The end surface of the puller bolt 205 that pulls against the clamping block 202 is a spherical surface, which can reduce the frictional resistance between the puller bolt 205 and the clamping block 202.

And a hexagonal prism 101 is fixedly arranged at one end of the base plate 1, which is far away from the clamping component 2, and the hexagonal prism 101 is convenient to be clamped by a three-jaw chuck of a lathe.

The mounting plate 201 is provided with two mounting through holes, the bottom plate 1 is provided with a plurality of mounting threaded holes 102 corresponding to the mounting through holes, the number of the mounting threaded holes 102 is multiple, the mounting threaded holes 102 are uniformly arranged along the length direction of the bottom plate 1, the mounting through holes are correspondingly provided with mounting bolts, the mounting bolts penetrate through the mounting through holes and are in threaded connection with the bottom plate 1, the mounting through holes of the mounting plate 201 are aligned with the mounting threaded holes 102 at different positions, and the mounting bolts are used for fixing, so that the clamping assembly 2 can clamp workpieces to be machined 3 with different lengths, and the application range of the clamp is widened.

The working process is as follows:

when the scheme is implemented, the hexagonal prism 101 of the three-jaw chuck clamping bottom plate 1 of the lathe is loosened, the puller bolts 205 are loosened, the clamping blocks 202 are moved, the workpiece 3 to be machined is placed between the two clamping blocks 202, then the clamping blocks 202 are loosened, under the action of the elastic force of the compression spring 206, the workpiece 3 to be machined is clamped by the two clamping blocks 202, then the positions of the two puller bolts 205 are respectively adjusted, the hole 301 to be machined of the workpiece 3 to be machined is coaxial with the hexagonal prism 101, when another hole 301 to be machined needs to be machined, the positions of the two puller bolts 205 are respectively adjusted again, the other hole 301 to be machined is coaxial with the hexagonal prism 101, the operation process is simple, and the working efficiency is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A lathe fixture is characterized in that: the clamping device comprises a bottom plate (1) and two clamping assemblies (2) which are correspondingly arranged, wherein each clamping assembly (2) comprises a mounting plate (201) and a clamping block (202), two side plates (203) are fixedly arranged on the mounting plate (201), guide bosses (20202) are fixedly arranged on two sides of each clamping block (202), guide grooves (20301) matched with the guide bosses (20202) are formed in the side plates (203), each clamping block (202) is arranged between the two side plates (203), the guide bosses (20202) are arranged on the inner sides of the guide grooves (20301), clamping grooves (20201) matched with workpieces to be machined (3) are formed in the clamping blocks (202), jacking bolts (205) are correspondingly arranged at one ends, far away from the clamping grooves (20201), of the clamping blocks (202), and the jacking bolts (205) are in threaded connection with the mounting plate (201);

the mounting plate (201) is fixedly connected with the bottom plate (1).

2. The lathe fixture of claim 1, wherein: and a hexagonal prism (101) is fixedly arranged at one end of the bottom plate (1) far away from the clamping component (2).

3. The lathe fixture according to claim 1, wherein: set firmly on mounting panel (201) and press from both sides tight piece (202) and keep away from riser (204) that clamp groove (20201) one end corresponds, it has tight screw hole (20401) in top to open on riser (204), tight bolt in top (205) and riser (204) threaded connection, tight piece (202) are pressed from both sides tightly in top (205) top.

4. A lathe fixture as defined in claim 3, wherein: and a compression spring (206) is arranged on the outer side of the tightening bolt (205), and the compression spring (206) is positioned between the vertical plate (204) and the clamping block (202).

5. A lathe fixture as defined in claim 3, wherein: the distance between the vertical plate (204) and the side plate (203) is larger than the length of the clamping block (202), the types of the clamping block (202) are various, and the clamping grooves (20201) of the clamping blocks (202) of different types are different in size, so that the clamping device is suitable for workpieces (3) to be machined of different sizes.

6. The lathe fixture of claim 1, wherein: the clamping block (202) is provided with a hand-clasping groove (20203).

7. The lathe fixture according to claim 1, wherein: the mounting plate is characterized in that a mounting through hole is formed in the mounting plate (201), a mounting threaded hole (102) corresponding to the mounting through hole is formed in the bottom plate (1), the number of the mounting threaded holes (102) is multiple, the mounting threaded hole (102) is evenly arranged along the length direction of the bottom plate (1), the mounting through hole is correspondingly provided with a mounting bolt, and the mounting bolt penetrates through the mounting through hole and is in threaded connection with the bottom plate (1).