CN218050395U

CN218050395U - High-rigidity multi-point contact flexible tensioning clamp for processing tubular parts and lathe

Info

Publication number: CN218050395U
Application number: CN202220960713.2U
Authority: CN
Inventors: 陈秋
Original assignee: Juxing Fujian Machinery Co ltd
Current assignee: Juxing Fujian Machinery Co ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2022-12-16
Anticipated expiration: 2032-04-19

Abstract

The utility model relates to a high rigidity multiple spot contact flexibility of tubulose spare processing rises and tightly presss from both sides utensil, it includes: the fixture comprises a fixture body connected with the shaft end of a lathe rotating shaft, wherein a mounting through hole is formed in the fixture body, a plurality of mounting grooves are formed in the fixture body in an annular array mode, and the mounting grooves are communicated with the mounting through hole; a cone penetrates through the mounting through hole; the mounting groove is internally connected with an expansion block, the cone is matched with the expansion block, and the outer end part of the expansion block is connected with a plurality of rough turning supporting blocks at intervals. The utility model discloses simple structure adopts the multiple spot to support to press from both sides tightly, can realize the clamp of the internal diameter of the different operating modes of tubulose spare tightly.

Description

High-rigidity multi-point contact flexible tensioning clamp for processing tubular parts and lathe

Technical Field

The utility model relates to an anchor clamps technical field especially relates to a high rigidity multiple spot contact flexibility of tubulose processing rises and tightly anchor clamps and lathe.

Background

In the cylinder sleeve processing of an engine, the quality of rough and finish turning outer circles directly influences the precision of a product, the cylinder sleeve processing belongs to large-batch turning processing, and the turning work efficiency directly influences the feasibility of the process.

In traditional cylinder jacket thick, the finish turning excircle process, what adopt is an internal expanding formula liquid plastic nature anchor clamps, because internal expanding formula liquid plastic nature anchor clamps, through the pressure of child that rises, strut through the cover outer wall that rises, rely on the elastic deformation of the cover outer wall that rises, consequently rise to and the plastic deformation who loosens is less, and is higher to the hole shape tolerance requirement of last process, and is higher to the operating requirement, needs experienced skilled worker to accomplish moreover, is unfavorable for the enterprise development.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

In order to solve the above problems of the prior art, the utility model provides a high rigidity multiple spot contact flexibility of tubulose piece processing rises anchor clamps, its simple structure, convenient operation, the practicality is strong.

2. Technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

a high-rigidity multi-point contact flexible tensioning clamp for processing tubular parts comprises: the fixture comprises a fixture body connected with the shaft end of a lathe rotating shaft, wherein a mounting through hole is formed in the fixture body, a plurality of mounting grooves are formed in the fixture body in an annular array mode, and the mounting grooves are communicated with the mounting through hole; a cone penetrates through the mounting through hole; the mounting groove in-connection has the harmomegathus piece, the cone cooperatees with the harmomegathus piece, the outer tip of harmomegathus piece is connected with a plurality of rough turning bracers according to the interval.

Furthermore, one end of the clamp body is connected with a connecting disc, and the connecting disc is fixedly connected to the shaft end of the lathe rotating shaft through a fastening piece.

Further, the rough turning supporting block is made of rubber materials.

Furthermore, the contact surface of the cone and the expansion block is in conical surface fit.

Furthermore, one end of the cone is connected with a pull rod.

Furthermore, the other end of the cone is connected with a dustproof end cover.

Furthermore, an adjusting sleeve is sleeved on the cone and is positioned in the mounting through hole.

The lathe comprises a base, wherein a cutter used for machining a workpiece is arranged on the base, a high-rigidity multi-point contact flexible tensioning clamp for machining a tubular part is arranged on the base, and the high-rigidity multi-point contact flexible tensioning clamp for machining the tubular part is rotatably connected to the shaft end of a rotating shaft of the lathe along the axis direction of the high-rigidity multi-point contact flexible tensioning clamp.

3. Advantageous effects

The utility model has the advantages that: 1. the clamping of the inner diameters of the tubular parts under different working conditions can be realized by adopting multi-point supporting and clamping;

2. the coaxiality of the cone and the mounting through hole is adjusted by adopting the design of the adjusting sleeve, and the processing precision is ensured.

3. The design of the cone and the expansion block is adopted, the expansion and contraction quantity is increased, the specification range of the processed cylinder sleeve is enlarged, the mechanical arm feeding and discharging device is more suitable for feeding and discharging of a mechanical arm, and the requirements on precision of the size of a finish turning excircle and form and position tolerance can be ensured; meanwhile, the arc and chamfer angles of the front end face, the rear end face, the fixed length, the inner diameter and the outer diameter can be machined.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the scope of the invention.

Fig. 1 is a schematic structural view of a high-rigidity multi-point contact flexible tensioning clamp for processing a tubular member according to an embodiment of the present invention;

fig. 2 is a schematic view of a lathe according to an embodiment of the present invention.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

The utility model discloses a high rigidity multiple spot contact flexibility of tubulose piece processing rises anchor clamps that rises of an embodiment, as shown in figure 1, it includes: the clamp body 2 is connected with the shaft end 1 of the lathe rotating shaft, so that the clamp body 2 is conveniently connected with the shaft end 1 of the lathe rotating shaft, one end, close to the shaft end 1 of the lathe rotating shaft, of the clamp body 2 is connected with the connecting disc 3, and the connecting disc 3 is fixedly connected to the shaft end 1 of the lathe rotating shaft through a fastener, so that the clamp body 2 and a lathe are conveniently connected and fixed; the connection mode of the connecting disc 3 and the clamp body 2 is welding or a fixed connection mode commonly used in the field, and is not described herein again.

Specifically, in this embodiment, an installation through hole 21 is formed in the fixture body 2, a plurality of installation grooves 22 are formed in the fixture body 2 in an annular array manner, and the installation grooves 22 are communicated with the installation through hole 21; a cone 4 penetrates through the mounting through hole 21; the expansion and contraction block 5 is connected in the mounting groove 22, the cone 4 is matched with the expansion and contraction block 5, and when the cone 4 moves leftwards, the cone 4 drives the expansion and contraction block 5 to move outwards so as to tension and fix the tubular piece 6 on the clamp body 2 and clamp the tubular piece 6; conversely, the release of the tubular element 6 is achieved; the outer end part of the expansion block 5 is connected with a plurality of rough turning supporting blocks 10 at intervals to support and clamp the tubular part 6 at multiple points.

Further, in this embodiment, the rough lathing supporting block 10 is made of rubber material to reduce the damage to the inner diameter of the tubular member 6.

Further, in this embodiment, the contact surface of the cone 4 and the expansion block 5 is a conical surface fit, so that the expansion block 5 does not slip or generate a tension drop when being tensioned.

Further, in the present embodiment, one end of the cone 4 is connected with a pull rod 7, and the pull rod 7 is used for pulling the cone 4 to move relative to the fixture body 2; the pull rod 7 is connected with the cone 4 through threads, the other end of the pull rod 7 is connected with a power part, and the power part is a power part commonly used in the field, such as an air cylinder and the like, and is not described again.

Further, in this embodiment, the other end of the cone 4 is connected to a dust-proof end cap 8 for preventing foreign matters or dust from entering the cone 4, so that an error is generated when the cone is matched with the collapsible block 5, and the processing effect is affected.

Further, in this embodiment, the cone 4 is sleeved with an adjusting sleeve 9, and the adjusting sleeve 9 is located in the installation through hole 21 and is used for adjusting the coaxiality of the cone 4 and the installation through hole 21.

When the clamp works, the clamp body 2 is fixed on the shaft end 1 of a lathe rotating shaft, the other end of the pull rod 7 is connected with the power part, and the pull rod 7 drives the cone 4 to move leftwards or rightwards under the action of the power part, so that the tubular part 6 on the clamp body 2 is supported and clamped or loosened at multiple points by the rough turning support blocks 10 on the expansion and contraction block 5.

A lathe is shown in fig. 2 and comprises a base 11, wherein a cutter 12 for machining a workpiece is arranged on the base 11, a high-rigidity multi-point contact flexible tensioning clamp for machining a tubular part is arranged on the base 11, the high-rigidity multi-point contact flexible tensioning clamp for machining the tubular part is rotatably connected to a shaft end 1 of a rotating shaft of the lathe along the axis direction of the high-rigidity multi-point contact flexible tensioning clamp, and a power device and the cutter 12 on the lathe are conventional technologies in the field and are not described again.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects: 1. the clamping of the inner diameters of the tubular parts under different working conditions can be realized by adopting multi-point supporting and clamping;

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230," "upper surface," "above," and the like may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 as a specific case by those skilled in the art.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. High rigidity multiple spot contact flexibility of tubulose spare processing rises anchor clamps, its characterized in that, it includes: the fixture comprises a fixture body (2) connected with a shaft end (1) of a lathe rotating shaft, wherein a mounting through hole (21) is formed in the fixture body (2), a plurality of mounting grooves (22) are formed in the fixture body (2) in an annular array mode, and the mounting grooves (22) are communicated with the mounting through hole (21); a cone (4) penetrates through the mounting through hole (21); the mounting groove (22) in-connection has harmomegathus piece (5), cone (4) and harmomegathus piece (5) cooperate, the outer tip of harmomegathus piece (5) is connected with a plurality of thick car bracers (10) according to the interval.

2. The high-rigidity multi-point contact flexible tensioning clamp for processing the tubular member as claimed in claim 1, wherein: one end of the clamp body (2) is connected with a connecting disc (3), and the connecting disc (3) is fixedly connected to the shaft end (1) of the lathe rotating shaft through a fastener.

3. The high-rigidity multi-point contact flexible tensioning clamp for processing the tubular member as claimed in claim 1, wherein: the rough turning supporting block (10) is made of rubber materials.

4. The high-rigidity multi-point contact flexible tensioning clamp for processing the tubular member as claimed in claim 1, wherein: the contact surface of the cone (4) and the expansion block (5) is in conical surface fit.

5. The high-rigidity multi-point contact flexible tensioning clamp for processing the tubular member as claimed in claim 1, wherein: one end of the cone (4) is connected with a pull rod (7).

6. The high-rigidity multi-point contact flexible tensioning clamp for processing the tubular member as claimed in claim 1, wherein: the other end of the cone (4) is connected with a dustproof end cover (8).

7. The high-rigidity multi-point contact flexible tensioning clamp for processing the tubular member as claimed in claim 1, wherein: the cone (4) is sleeved with an adjusting sleeve (9), and the adjusting sleeve (9) is located in the mounting through hole (21).

8. A lathe, characterized by: the tubular part machining high-rigidity multi-point contact flexible tensioning clamp comprises a machine base (11), wherein a cutter (12) for machining a workpiece is arranged on the machine base (11), the high-rigidity multi-point contact flexible tensioning clamp for machining a tubular part according to any one of claims 1-7 is arranged on the machine base (11), and the high-rigidity multi-point contact flexible tensioning clamp for machining the tubular part is rotatably connected to a shaft end (1) of a lathe rotating shaft along the axis direction of the high-rigidity multi-point contact flexible tensioning clamp.