CN213794335U

CN213794335U - Auxiliary supporting device for machining tool

Info

Publication number: CN213794335U
Application number: CN202022190359.3U
Authority: CN
Inventors: 代友文; 黄雅韵; 甘再明
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-07-27
Anticipated expiration: 2030-09-29

Abstract

The utility model discloses a machine tooling cutter auxiliary stay device, including the mounting base, and install in bearing frame on the mounting base, install the bearing that is used for supporting line boring cutter on the bearing frame, the axial sets up line boring cutter guide key and cutter cooperation groove relatively in the bearing. The utility model discloses an install the bearing that is used for supporting line boring cutter on the bearing frame, axial sets up line boring cutter guide key and cutter cooperation groove relatively in the bearing, has realized that all curved holes have been processed once to a boring cutter, has shortened manufacturing cycle, has reduced because the longer distal end that brings of cutter length beats the influence, guarantees to process the circularity cylindricity stability in bent axle hole.

Description

Auxiliary supporting device for machining tool

Technical Field

The utility model relates to an engine machining technical field, in particular to machine tooling cutter auxiliary stay device.

Background

At present, the processing of the engine cast iron cylinder crankshaft is mainly realized by a processing center and honing machine equipment. Wherein, the processing center processing bent axle hole mainly has two kinds of schemes:

1. as shown in fig. 1, two boring cutters are used for processing the crankshaft hole in two times;

2. part adopts a boring cutter to process the crankshaft hole twice, and the middle part relates to angle adjustment;

the above two schemes mainly have the following potential defects:

1. the mode that one boring cutter is processed twice and two boring cutters are processed twice is adopted, so that the processing time is longer;

2. the mode that one boring cutter is processed twice and two boring cutters are processed twice is adopted, no related supporting device is provided, and the processing of the fillet cylindricity of the crankshaft hole is unstable;

3. the existing boring cutter needs to be provided with a guide bar, and the guide bar is difficult to replace after being worn in the using process;

4. the long boring cutter guide blade is expanded through the cutter expanding mechanism, and is easy to lose efficacy in the using process.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a machine tooling cutter auxiliary stay device, aims at realizing that a boring cutter has once processed all curved holes, shortens manufacturing cycle, reduces because the longer distal end that brings of cutter length influences of beating, guarantees that the circularity cylindricity in processing bent axle hole is stable.

In order to achieve the above object, the utility model provides a machine tooling cutter auxiliary stay device, including the mounting base, and install in bearing frame on the mounting base, install the bearing that is used for the stay wire boring cutter on the bearing frame, the axial is provided with wire boring cutter guide key and cutter cooperation groove relatively in the bearing.

The utility model discloses a further technical scheme is, still including being used for discerning the gas detection mechanism of the circumferencial direction's of bearing position, the gas detection mechanism include the gas detection device, with the work that the gas detection device is connected targets in place the gas detection pipeline, returns to target in place the gas detection pipeline.

The utility model discloses a further technical scheme is, still including being used for making the bearing airtight pipeline of malleation is formed in the bearing.

The utility model discloses a further technical scheme is, still include shaft coupling, locking hydro-cylinder and locking hydro-cylinder supply oil pipe way, the both ends of shaft coupling respectively with locking hydro-cylinder, gas detection device are connected, locking hydro-cylinder supply oil pipe way with the locking hydro-cylinder is connected.

The further technical solution of the utility model is, still include with the round pin of coupling joint.

The utility model discloses auxiliary supporting device of machine tooling cutter's beneficial effect is: the above technical scheme, the utility model, install the bearing that is used for supporting line boring cutter on the bearing frame, axial sets up line boring cutter guide key and cutter cooperation groove relatively in the bearing, has realized that all curved holes have been processed once to a boring cutter, has shortened manufacturing cycle, has reduced because the longer distal end that brings of cutter length is beated the influence, guarantees that the circularity cylindricity in processing bent axle hole is stable.

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 described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic diagram of a scheme of processing a crankshaft hole by two boring cutters (short cutter and long cutter) in two times, which is commonly used in the prior art;

FIG. 2 is a schematic overall view of a preferred embodiment of the auxiliary supporting device for machine tool of the present invention;

FIG. 3 is a schematic view of the internal structure of the bearing;

FIG. 4 is a schematic view of the auxiliary supporting device for machine tool of the present invention in cooperation with a wire boring tool.

The reference numbers illustrate:

a mounting base 1; a bearing 2; a wire boring cutter 3; a wire boring cutter guide key 4; a cutter fitting groove 5; a gas detection device 6; working to the gas detection pipeline 7; back to the gas detection pipeline 8; a bearing air-tight seal pipeline 9; a coupling 10; locking the oil cylinder 11; locking the oil supply line 12.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is 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 at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 2 to 4, the present invention provides an auxiliary supporting device for a machining tool, wherein fig. 2 is a schematic overall structure of the auxiliary supporting device for a machining tool according to the present invention, fig. 3 is a schematic internal structure of a bearing, and fig. 4 is a schematic matching view of the auxiliary supporting device for a machining tool according to the present invention and a line boring tool.

As shown in fig. 2 to 4, the preferred embodiment of the auxiliary supporting device for machining tools of the present invention includes a mounting base 1, a bearing seat and a bearing 2, wherein the bearing seat is mounted on the mounting base 1, the bearing 2 is mounted on the bearing seat, the bearing 2 is used for supporting a wire boring tool 3, especially a distal end of the wire boring tool 3, which can effectively prevent the distal end of the long tool from jumping, ensure the roundness and cylindricity of a crankshaft hole, and realize that one wire boring tool 3 finishes processing all crankshaft holes at one time without adjusting angles, thereby shortening the manufacturing cycle.

It can be understood that, this embodiment has corresponding precision adjustment scope, guarantees that the long sword cooperation meets the requirements to reduce because the longer distal end that brings of cutter long sword influences, guarantee that the circularity cylindricity of processing the bent axle hole is stable.

In the present embodiment, a linear boring guide key 4 and a tool fitting groove 5 are oppositely provided in the bearing 2.

In the embodiment, the wire boring cutter guide key 4 is arranged in the bearing 2 to play a role in guiding, so that the original wire boring cutter guide bar is replaced, and a cutter with a corresponding size can be conveniently matched and machined to directly enter. In specific implementation, the wire boring cutter guide key 4 can be fixedly mounted on the bearing 2 by using a screw, so that the worn wire boring cutter guide key 4 can be replaced conveniently. In this embodiment, the wire boring cutter guide key 4 has better compatibility, and cutters of different sizes can be matched by replacing the wire boring cutter guide key 4 of different sizes.

The cutter matching groove 5 can be matched with the line boring cutter 3 for fixing the cutter, so that a cutter expanding mechanism is not required to be added, the difficulty and the cost of cutter manufacturing are reduced, and the maintenance and production cost is also reduced. In addition, in this embodiment, the tool fitting groove 5 may be adjusted according to different tools, so as to improve compatibility of the tool fitting groove 5.

In this embodiment, the auxiliary supporting device for the machining tool further comprises a gas detection mechanism for identifying the position of the bearing 2 in the circumferential direction, and the gas detection mechanism comprises a gas detection device 6, a working-in-place gas detection pipeline 7 connected with the gas detection device 6, and a returning-to-place gas detection pipeline 8.

The working in-place gas detection pipeline 7 and the backing-back in-place gas detection pipeline 8 can ensure that the circumferential direction position of the bearing 2 is stable and recognizable, and the collision of a cutter in the process of entering and exiting the bearing 2 is avoided.

In this embodiment, the auxiliary supporting device for the machining tool further includes a bearing air-tight sealing pipeline 9 for forming positive pressure in the bearing 2.

The bearing air-tight seal pipeline 9 can make the inside malleation that forms of bearing 2 prevents that processing fluid and impurity etc. from leading to abnormal damage in getting into bearing 2, and then improves strutting arrangement operating stability and durability, reduces the maintenance cost.

In this embodiment, the auxiliary supporting device for the machining tool further includes a coupler 10, a locking cylinder 11 and a locking cylinder oil supply pipeline 12, two ends of the coupler 10 are respectively connected with the locking cylinder 11 and the gas detection device 6, the locking cylinder oil supply pipeline 12 is connected with the locking cylinder 11, and the coupler 10 is connected with a pin.

The working process and principle of the auxiliary supporting device for the machining tool of the present invention are further explained in detail below.

Firstly, the oil supply pipeline 12 of the locking oil cylinder supplies oil to ensure that the locking oil cylinder 11 drives the coupler 10 and the connected pin to lock the bearing 2 downwards, so that the position change is avoided; the wire boring cutter 3 enters the auxiliary supporting device of the machining cutter through the matching of the cutter guide groove 5 and the wire boring cutter guide key 4, and meanwhile, the cutter matching groove 5 which forms 180-degree diagonal angle with the wire boring cutter guide key 4 is matched with the upper blade of the wire boring cutter 3. At the moment, the auxiliary supporting device of the machining tool backs to the right position, and the auxiliary supporting device backs to the right position and is effective in gas detection. When the machining is needed, the oil supply of the oil supply pipeline 12 of the locking oil cylinder is stopped, the locking oil cylinder 11 is upwards driven by internal spring force to drive the shaft coupler 10 and the connected pin to be upwards, and the bearing 2 recovers circular motion. At the moment, the work is effective in the air detection. Then, when the line boring cutter 3 rotates along with the main shaft, the bearing 2 rotates along with the main shaft, and meanwhile, the line boring cutter 3 is guaranteed to be supported to a certain extent, and a crankshaft hole is processed through drawing boring. The process can process all crankshaft holes at one time, so the roundness and cylindricity of the crankshaft holes are better.

After the crankshaft hole is machined, the oil supply pipeline 12 of the locking oil cylinder supplies oil, and the locking oil cylinder 11 drives the coupler 10 and the connected pin to lock the bearing 2 downwards, so that the bearing 2 is prevented from rotating. And then the wire boring cutter 3 is separated from the locking cylinder 11.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims

1. The auxiliary supporting device for the machining tool is characterized by comprising an installation base and a bearing seat arranged on the installation base, wherein a bearing used for supporting a line boring tool is arranged on the bearing seat, and a line boring tool guide key and a tool matching groove are axially and oppositely arranged in the bearing.

2. The auxiliary supporting device for the machining tool according to claim 1, further comprising a gas detection mechanism for identifying a position of the bearing in a circumferential direction, wherein the gas detection mechanism comprises a gas detection device, a working-in-place gas detection pipeline connected with the gas detection device, and a retracting-in-place gas detection pipeline.

3. The auxiliary support device for a machining tool according to claim 2, further comprising a bearing gas sealing line for creating positive pressure in the bearing.

4. The auxiliary supporting device for the machining tool according to claim 3, further comprising a coupler, a locking cylinder and a locking cylinder oil supply pipeline, wherein two ends of the coupler are respectively connected with the locking cylinder and the gas detection device, and the locking cylinder oil supply pipeline is connected with the locking cylinder.

5. The machine tool auxiliary support device of claim 4, further comprising a pin coupled to the coupling.