CN216066524U

CN216066524U - Rotary hydraulic tool for machining thin-walled workpiece

Info

Publication number: CN216066524U
Application number: CN202122750973.5U
Authority: CN
Inventors: 奚伟民; 李新伟; 刘亮亮
Original assignee: Changzhou Jinyan Precision Machinery Co ltd
Current assignee: Changzhou Jinyan Precision Machinery Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-03-18
Anticipated expiration: 2031-11-10

Abstract

The utility model relates to the technical field of thin part machining, in particular to a rotary hydraulic tool for thin-wall part machining. Comprises a hydraulic push rod, a connecting seat and a positioning device; the connecting seat comprises a connecting part and a base part, and the tail end of the connecting part is vertically fixed at two ends of the base part; the hydraulic push rod is fixed at the rear end of the base part; the front end of the hydraulic push rod is also provided with a push rod top surface, and the front end of the hydraulic push rod penetrates through the base part; the positioning device is vertically fixed at the front end of the connecting part; the positioning device is provided with a positioning channel, and the positioning channel is matched with the shape and the size of the top surface of the push rod. The utility model aims to provide a rotary hydraulic tool for machining a thin-wall part, aiming at overcoming the defects in the prior art, and achieving the effects of eliminating the outer diameter clamping force, enabling the whole clamping force of a workpiece to act in the axial direction, realizing axial stress, and enabling the clamped workpiece to be machined efficiently without deformation.

Description

Rotary hydraulic tool for machining thin-walled workpiece

Technical Field

The utility model relates to the technical field of thin part machining, in particular to a rotary hydraulic tool for thin-wall part machining.

Background

The traditional thin-wall part machining process is to adopt an outer diameter clamping method to machine a workpiece, but because the workpiece is a thin-wall part, the workpiece cannot be machined quickly due to small clamping pressure, and a very serious chip winding condition can be generated, so that the machining time of the workpiece is influenced. The traditional method has large clamping pressure, the workpiece is easy to deform, and when the workpiece and the blank have position degree requirements, the traditional process cannot ensure the tolerance requirements of the workpiece.

In view of the above problems, the designer actively makes research and innovation based on practical experience and professional knowledge which are abundant for many years in engineering application of such products and by matching with the application of theory, so as to design a rotary hydraulic tool for thin-wall part machining, and achieve the effects of canceling the clamping force of the outer diameter, enabling the whole clamping force of the workpiece to act in the axial direction, realizing axial stress, and enabling the clamped workpiece to be machined efficiently without deformation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rotary hydraulic tool for machining a thin-wall part, aiming at overcoming the defects in the prior art, and achieving the effects of eliminating the outer diameter clamping force, enabling the whole clamping force of a workpiece to act in the axial direction, realizing axial stress, and enabling the clamped workpiece to be machined efficiently without deformation.

In order to achieve the purpose, the technical scheme adopted by the utility model is that the rotary hydraulic tool for processing the thin-wall part comprises a hydraulic push rod, a connecting seat and a positioning device; the connecting seat comprises a connecting part and a base part, and the tail end of the connecting part is vertically fixed at two ends of the base part; the hydraulic push rod is fixed at the rear end of the base part; the front end of the hydraulic push rod is also provided with a push rod top surface, and the front end of the hydraulic push rod penetrates through the base part; the positioning device is vertically fixed at the front end of the connecting part; and a positioning channel is arranged on the positioning device, and the positioning channel is matched with the top surface of the push rod in shape and size.

Further, still include the locating pin, the locating pin is fixed in on the positioner.

Further, the positioning pins are four in number.

Further, the jump of locating pin and positioner is 0.01 mm.

Furthermore, the positioning device is a disc, and the positioning channel and the top surface of the push rod are round holes.

Furthermore, the push rod further comprises a rubber ring, and the rubber ring is arranged on the outer surface of the top surface of the push rod.

Furthermore, the fit clearance between the inner diameter of the positioning channel and the outer diameter of the push rod after the rubber ring is sleeved on the top surface of the push rod is 0.02 mm.

Through the technical scheme of the utility model, the following technical effects can be realized:

through the connecting portion tail end vertically in the device fix at the base portion both ends, hydraulic rod still is provided with the push rod top surface when being fixed in the base portion rear end hydraulic rod's front end, hydraulic rod's front end passes the base portion and sets up the front end that positioner vertically fixed at connecting portion, the last structure that is provided with location passageway and push rod top surface shape size suit of positioner, cancellation external diameter clamping-force has been reached, the whole clamping-force that makes the work piece acts on axial direction, the axial atress has been realized, the effect of invariant when making the work piece of centre gripping can high efficiency processing.

Drawings

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

Fig. 1 is a schematic structural diagram of a rotary hydraulic tool for machining a thin-walled workpiece according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of a positioning pin according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a connection part in an embodiment of the present invention.

Reference numerals: the hydraulic push rod 1, the connecting seat 2, the connecting part 21, the base part 22, the positioning device 3, the positioning channel 31, the rubber ring 4 and the positioning pin 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

A rotary hydraulic tool for machining thin-walled parts is shown in figure 1 and comprises a hydraulic push rod 1, a connecting seat 2 and a positioning device 3; the connecting seat 2 comprises a connecting part 21 and a base part 22, and the tail end of the connecting part 21 is vertically fixed at two ends of the base part 22; the hydraulic push rod 1 is fixed at the rear end of the base part 22; the front end of the hydraulic push rod 1 is also provided with a push rod top surface 11, and the front end of the hydraulic push rod 1 penetrates through the base part 22; the positioning device 3 is vertically fixed at the front end of the connecting part 21; the positioning device 3 is provided with a positioning channel 31, and the positioning channel 31 is adapted to the shape and size of the top surface 11 of the push rod.

Specifically, the tail end of the connecting part is vertically fixed at two ends of the base part, the hydraulic push rod is fixed at the rear end of the base part, the front end of the hydraulic push rod is also provided with a push rod top surface, the front end of the hydraulic push rod penetrates through the base part and is provided with a positioning device which is vertically fixed at the front end of the connecting part, the positioning device is provided with a positioning channel, and the positioning channel is matched with the shape and the size of the push rod top surface, so that after the rear end of the hydraulic push rod is connected with the hydraulic cylinder, a workpiece can be clamped by pushing and trying by the front end of the hydraulic push rod, the push rod top surface is propped against the workpiece, pushing and trying are carried out from the rear end of the workpiece, the outer diameter clamping force in the traditional workpiece clamping mode is cancelled, the whole clamping force of the workpiece is acted in the axial direction, the positioning channel is arranged on the positioning device, and is matched with the shape and the size of the push rod top surface, so as to ensure normal sliding between the two parts, the effect of push test is completed.

As shown in fig. 1, the positioning device further includes a positioning pin 5, and the positioning pin 5 is fixed to the positioning device 3.

Specifically, the structure fixed on the positioning device through the positioning pin is used for being matched with the positioning device in use, and the overall fixing capacity and stability of the device to the workpiece are improved.

As a preferable example of the above embodiment, the positioning pins 5 are four in number, as shown in fig. 1.

Specifically, through the structure of locating pin totally four to after four directions set up about following the location passageway, better improvement improves the whole fixed ability and the stability to the work piece of device.

As a preferable example of the above embodiment, as shown in fig. 1, the runout between the positioning pin 5 and the positioning device 3 is 0.01 mm.

As a preferred example of the above embodiment, as shown in fig. 1, the positioning device 3 is a circular disk, and the positioning channel 31 and the top surface 11 of the push rod are circular holes.

Specifically, the positioning channel and the top surface of the push rod are in a round hole structure, so that the process of pushing and testing the workpiece through the positioning channel is smooth and stable.

As shown in fig. 1, the above embodiment preferably further includes a rubber band 4, and the rubber band 4 is disposed on an outer surface of the top surface 11 of the push rod.

Specifically, the rubber ring is arranged on the outer surface of the top surface of the push rod, so that the workpiece burrs are prevented from deviating, force is unevenly exerted when the hydraulic push rod clamps the workpiece, and the deformation of the workpiece is increased.

Preferably, as shown in fig. 1, the fit clearance between the inner diameter of the positioning channel 31 and the outer diameter of the push rod top surface 11 after being sleeved with the rubber ring 4 is 0.02 mm.

Specifically, the tail ends of the connecting parts are vertically fixed at two ends of the base part, the hydraulic push rod is fixed at the rear end of the base part, meanwhile, the front end of the hydraulic push rod is also provided with a push rod top surface, the front end of the hydraulic push rod penetrates through the base part and is vertically fixed at the front end of the connecting part, a positioning channel is arranged on the positioning device, and the positioning channel is matched with the shape and the size of the push rod top surface, so that the problems that in the prior art, a workpiece is machined by adopting an outer diameter clamping method, the clamping pressure is low, the workpiece cannot be machined quickly, and a very serious chip winding condition can be generated, so that the machining time of the workpiece is influenced are solved, meanwhile, the workpiece is easy to deform due to the high clamping pressure, and the problem that the tolerance requirement of the workpiece cannot be met when the workpiece and a blank have a position degree requirement.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A rotary hydraulic tool for machining thin-walled parts is characterized by comprising a hydraulic push rod (1), a connecting seat (2) and a positioning device (3); the connecting seat (2) comprises a connecting part (21) and a base part (22), and the tail end of the connecting part (21) is vertically fixed at two ends of the base part (22); the hydraulic push rod (1) is fixed at the rear end of the base part (22); the front end of the hydraulic push rod (1) is also provided with a push rod top surface (11), and the front end of the hydraulic push rod (1) penetrates through the base part (22); the positioning device (3) is vertically fixed at the front end of the connecting part (21); the positioning device (3) is provided with a positioning channel (31), and the positioning channel (31) is matched with the top surface (11) of the push rod in shape and size.

2. The rotary hydraulic tool for machining the thin-walled workpiece according to claim 1, further comprising a positioning pin (5), wherein the positioning pin (5) is fixed on the positioning device (3).

3. The rotary hydraulic tool for machining thin-walled parts according to claim 2, characterized in that the number of the positioning pins (5) is four.

4. The rotary hydraulic tool for machining the thin-walled workpiece according to claim 3, wherein the jump between the positioning pin (5) and the positioning device (3) is 0.01 mm.

5. The rotary hydraulic tool for machining the thin-walled workpiece according to claim 4, wherein the positioning device (3) is a circular disc, and the positioning channel (31) and the top surface (11) of the push rod are circular holes.

6. The rotary hydraulic tool for machining the thin-walled workpiece according to claim 1, further comprising a rubber ring (4), wherein the rubber ring (4) is arranged on the outer surface of the top surface (11) of the push rod.

7. The rotary hydraulic tool for machining the thin-walled workpiece according to claim 6, wherein a fit clearance between the inner diameter of the positioning channel (31) and the outer diameter of the push rod top surface (11) after the rubber ring (4) is sleeved on the push rod top surface is 0.02 mm.