CN216966293U

CN216966293U - Turning clamp

Info

Publication number: CN216966293U
Application number: CN202220528167.5U
Authority: CN
Inventors: 仉超
Original assignee: Qingdao 1001 Precision Manufacturing Co ltd
Current assignee: Qingdao 1001 Precision Manufacturing Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-07-15
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses a turning clamp which comprises a base, wherein a through hole is formed in the base, a fixing part and a moving part are arranged on the base, the moving part can move towards the direction close to or far away from the fixing part, so that a workpiece to be machined is limited between the fixing part and the moving part, and the position of an eccentric hole to be machined in the workpiece to be machined is opposite to the through hole. The turning fixture can be used for processing workpieces which are irregular in shape and have eccentric holes on a lathe, and the processing precision and the processing efficiency of the workpieces are improved.

Description

Turning clamp

Technical Field

The utility model relates to the technical field of mechanical tools, in particular to a turning clamp.

Background

When a workpiece with an irregular shape and a hole which is not in the center (or called an eccentric hole) is subjected to hole processing, the traditional three-jaw self-centering chuck cannot be used for processing, the four-jaw independent chuck is used for adjustment, time and labor are wasted, and the processing precision cannot completely meet the use requirement. Therefore, many processing factories adopt a milling mode to process the workpiece in a single-piece alignment mode, which results in low processing efficiency and high cutter cost.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems pointed out in the background technology, the utility model provides a turning clamp, which is used for machining a workpiece with an irregular shape and an eccentric hole on a lathe and improving the machining precision and the machining efficiency of the workpiece.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

the utility model provides a turning fixture, comprising:

the base is provided with a through hole;

the fixing part is fixedly arranged on the base;

the moving part is movably arranged on the base and is opposite to the fixing part, and the through hole is positioned between the fixing part and the moving part;

the movable part can move towards the direction close to or far away from the fixed part so as to limit the workpiece to be processed between the fixed part and the movable part and enable the position of the eccentric hole to be processed on the workpiece to be processed to be opposite to the through hole.

In some embodiments of the present application, the outer peripheral surface of the base is a cylindrical surface to accommodate chuck clamping on a lathe.

In some embodiments of the present application, the fixed portion is disposed on one side of the upper surface of the base, and the movable portion is disposed on the other side of the upper surface of the base;

the outer side surfaces of the fixed part and the movable part are not protruded out of the peripheral surface of the base.

In some embodiments of the present application, a first sliding portion is disposed on the moving portion, a second sliding portion is disposed on the base, and the first sliding portion is slidably connected to the second sliding portion;

and the base is provided with a stop part for limiting the displacement of the moving part.

In some embodiments of the present application, a wedge block is disposed on the base at a position close to the fixing portion, and a side of the wedge block close to the fixing portion is a first inclined surface;

one side of the fixing part, which is close to the wedge block, is provided with a second inclined surface, and the first inclined surface is matched with the second inclined surface;

the workpiece to be machined is limited between the wedge block and the moving part.

In some embodiments of the present application, the turning fixture is configured with the wedges of different specifications according to the size of the workpiece to be machined.

In some embodiments of the present application, a balancing weight is disposed on the base for balancing the weight of the workpiece to be processed.

In some embodiments of the present application, the weight member has a plurality of weight members, and the weight member is fixed to the base through a connecting member.

In some embodiments of the present application, the base is provided with a limiting portion for limiting the displacement of the workpiece to be processed.

In some embodiments of the present application, the position-limiting portion has a plurality of positions, and the position-limiting portion is fixed to the base by a connecting member.

Compared with the prior art, the utility model has the advantages and positive effects that:

when the turning clamp disclosed by the application is used for processing a workpiece which is irregular in appearance and provided with an eccentric hole, the workpiece to be processed is placed on the base and is positioned between the fixed part and the movable part, then the movable part is moved towards the direction close to the fixed part, and the workpiece to be processed is clamped and limited between the fixed part and the movable part through the mutual close between the fixed part and the movable part, so that the workpiece to be processed is fixed on the turning clamp;

meanwhile, the position of the eccentric hole to be processed on the workpiece to be processed is opposite to the through hole, so that the eccentric hole can be processed conveniently, and the interference of the base is avoided;

the positioning of workpieces with irregular shapes and the processing of eccentric holes are realized through the fixed part and the movable part on the base, so that the positioning processing precision, the clamping efficiency and the processing efficiency are greatly improved;

the distance between the fixed part and the movable part is adjusted through the movable part, and positioning of workpieces with different sizes can be achieved.

Other features and advantages of the present invention will become more apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a turning fixture according to an embodiment;

FIG. 2 is a schematic structural diagram of an upper base, a fixed portion and a movable portion of the turning fixture according to the embodiment;

FIG. 3 is a schematic structural view of a turning fixture with a workpiece to be machined mounted thereon according to an embodiment;

FIG. 4 is a schematic structural diagram of a wedge on a turning fixture according to an embodiment.

Reference numerals:

100-base, 110-through hole, 120-peripheral surface;

200-a fixed part, 210-a first outer side surface, 220-a second inclined surface;

300-moving part, 310-second outer side;

400-wedge, 410-first bevel;

500-a balancing weight;

600-a limiting part;

700-workpiece to be machined, 710-eccentric hole.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

The terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.

The present embodiment discloses a turning fixture, referring to fig. 1 to 3, which mainly includes a base 100, a fixing portion 200, a moving portion 300, and the like.

The base 100 is provided on a lathe and has a through hole 110.

The base 100 is provided with a fixing portion 200 and a moving portion 300, the fixing portion 200 and the moving portion 300 are oppositely arranged, the fixing portion 200 is fixedly arranged on the base 100, the moving portion 300 is movably arranged on the base 100, the moving portion 300 can move towards a direction close to or far away from the fixing portion 200, and the through hole 110 is positioned between the fixing portion 200 and the moving portion 300.

When the workpiece 700 with irregular shape and eccentric hole is machined, the workpiece 700 to be machined is placed on the base 100 and is positioned between the fixing part 200 and the moving part 300, then the moving part 300 is moved towards the direction close to the fixing part 200, the workpiece 700 to be machined is clamped and limited between the fixing part 200 and the moving part 300 through the mutual close between the fixing part 200 and the moving part 300, and the workpiece 700 to be machined is fixed on the turning clamp.

Meanwhile, the position of the eccentric hole 710 to be processed on the workpiece to be processed is opposite to the through hole 110, so that the eccentric hole 710 is processed, and the interference of the base 100 is avoided.

The turning clamp realizes the positioning of the workpiece with irregular appearance and the processing of the eccentric hole through the fixed part 200 and the movable part 300 on the base 100, and greatly improves the positioning processing precision, the clamping efficiency and the processing efficiency.

The distance between the fixing part 200 and the moving part 300 is adjusted by the moving part 300 to realize the positioning of workpieces with different sizes.

For the specific structure of the base 100, in some embodiments of the present application, the base 100 is a disk-shaped structure, and the outer peripheral surface 120 of the base 100 is a cylindrical surface, so as to adapt to clamping of a chuck on a lathe, and to realize quick installation of a turning clamp on the lathe.

In some embodiments of the present invention, the fixing portion 200 is disposed on one side of the upper surface of the base 100, the moving portion 300 is disposed on the other side of the upper surface of the base 100, and a space region between the fixing portion 200 and the moving portion 300 is used for installing the workpiece 700 to be processed.

Referring to fig. 2, the outer side surface of the fixing portion 200 is referred to as a first outer side surface 210, the outer side surface of the moving portion 300 is referred to as a second outer side surface 310, and neither the first outer side surface 210 nor the second outer side surface 310 protrudes beyond the outer peripheral surface 120 of the base 100, that is, the fixing portion 200 and the moving portion 300 protrude beyond the outer peripheral surface 120 of the base 100, so as to prevent the protruding fixing portion 200 and the protruding moving portion 300 from interfering with the chuck on the lathe to clamp the base 100.

In some embodiments, the first outer side surface 210 of the fixing portion and the outer peripheral surface 120 of the base are located on the same circumferential surface, and the second outer side surface 310 and the outer peripheral surface 120 of the base are located on the same circumferential surface when the moving portion 300 is located at the farthest position from the fixing portion 200.

For the structure of the moving part 300, in some embodiments of the present application, a first sliding part (not shown) is disposed at the bottom of the moving part 300, a second sliding part (not shown) is disposed on the upper surface of the base 100, and the first sliding part and the second sliding part are slidably connected to realize the movement of the moving part 300 on the base 100.

In some embodiments, the first sliding portion may be a sliding block, and the second sliding portion may be a sliding groove, and the sliding block is slidably disposed in the sliding groove.

The base 100 is provided with a stopper (not shown) for limiting the displacement of the moving unit 300, so that the moving unit 300 is stopped after moving to a desired position.

The movement of the moving part 300 can be manually operated, and the stop part can be a set screw, and after the moving part 300 is moved to the right position, the moving part 300 is fixed on the base 100 by the set screw.

The movement of the moving unit 300 may be realized by driving a lead screw, and the movement and the stop of the moving unit 300 may be realized by the movement of the lead screw.

In some embodiments of the present application, referring to fig. 2 to 4, the base 100 is provided with a wedge 400 at a position close to the fixing portion 200, and a side of the wedge 400 close to the fixing portion 200 is a first inclined surface 410;

the side of the fixing portion 200 close to the wedge 400 is a second inclined surface 220, and the first inclined surface 410 is matched with the second inclined surface 220.

The workpiece 700 to be machined is limited between the wedge 400 and the moving part 300, and the positioning reliability of the workpiece 700 is improved.

In some embodiments of the present application, the turning fixture is configured with wedges 400 of different specifications according to the size of the workpiece 700 to be machined, so as to meet the positioning requirements of workpieces of different sizes.

In some embodiments of the present application, since the workpiece 700 to be processed is eccentric, a weight block 500 is provided on the base 100 for balancing the weight of the workpiece 700 to be processed.

According to the weight distribution of the workpiece 700 to be worked and the position of the eccentric hole 710, a plurality of weights 500 may be disposed and reasonably disposed at different positions of the base 100, and the weights 500 are fixed on the base 100 by a connecting member (e.g., a bolt).

In some embodiments of the present application, the base 100 is provided with a limiting portion 600 for limiting the displacement of the workpiece 700 to be processed.

Referring to fig. 3, the workpiece 700 is limited in the Z direction by the fixing portion 200 and the moving portion 300, and the limiting portions 600 are partially disposed on both sides of the workpiece 700 to limit the workpiece 700 in the X direction, so that the workpiece 700 is limited in all directions on a horizontal plane along the upper surface of the base 100, and positioning is more reliable.

In some embodiments of the present application, the structure of the limiting portion 600 is adapted to the irregular shape of the workpiece 700, so as to further improve the limiting reliability by fully utilizing the irregular shape of the workpiece 700.

In some embodiments of the present application, the position-limiting portion 600 has a plurality of positions, and the position-limiting portion 600 is fixed on the base 100 by a connecting member (e.g., a bolt).

In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A turning clamp, comprising:

the base is provided with a through hole;

the fixing part is fixedly arranged on the base;

the moving part is movably arranged on the base and is opposite to the fixed part, and the through hole is positioned between the fixed part and the moving part;

the movable part can move towards the direction close to or far away from the fixed part so as to limit the workpiece to be processed between the fixed part and the movable part and enable the position of the eccentric hole to be processed on the workpiece to be processed to be right opposite to the through hole.

2. The turning jig of claim 1,

the outer peripheral surface of the base is a cylindrical surface so as to be suitable for clamping by a chuck on a lathe.

3. The turning fixture of claim 2,

the fixed part is arranged on one side of the upper surface of the base, and the movable part is arranged on the other side of the upper surface of the base;

4. The turning fixture of claim 1,

the movable part is provided with a first sliding part, the base is provided with a second sliding part, and the first sliding part is connected with the second sliding part in a sliding manner;

5. The turning jig according to any one of claims 1 to 4,

a wedge block is arranged at a position, close to the fixing part, of the base, and a first inclined surface is arranged on one side, close to the fixing part, of the wedge block;

6. The turning fixture of claim 5,

and the turning clamp is provided with the wedges with different specifications according to the size of the workpiece to be machined.

7. The turning clamp according to any one of claims 1 to 4,

and the base is provided with a balancing weight for balancing the weight of the workpiece to be processed.

8. The turning jig of claim 7,

the balancing weight has a plurality ofly, the balancing weight is fixed in on the base through the connecting piece.

9. The turning clamp according to any one of claims 1 to 4,

and the base is provided with a limiting part for limiting the displacement of the workpiece to be processed.

10. The turning fixture of claim 9,

the limiting part is provided with a plurality of limiting parts, and the limiting parts are fixed on the base through connecting pieces.