CN111673563A

CN111673563A - Special-shaped hole chamfer burring device

Info

Publication number: CN111673563A
Application number: CN202010583146.9A
Authority: CN
Inventors: 王�华; 魏涛; 夏鑫; 刘正军; 李伟
Original assignee: Hubei Haokai Auto Parts Co ltd
Current assignee: Hubei Haokai Auto Parts Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2020-09-18

Abstract

The invention provides a special-shaped hole chamfering and deburring device, belongs to the technical field of machining, and aims to solve the problems that the existing electric grinder cannot flexibly adapt to complex parts during grinding, manual grinding is low in precision and working efficiency in a manual operation mode, and unnecessary waste and loss are caused. The top of the tailstock is rotatably connected with a group of electric grinder mounting seats; the front end of the tailstock is fixedly connected with a group of tension springs; the rear end of the tailstock is fixedly connected with a group of electric grinder limiting rods; and a group of floating electric grinders are fixedly connected inside the electric grinder mounting seat. The floating electric grinder rotates on the tailstock, so that the floating electric grinder head can grind more complex parts; the floating electric grinding head can rotate along with the part during grinding by the tension spring, so that the cutting effect is more natural; the deburring is convenient and quick, and the work which is difficult to finish by manpower and common equipment is replaced; the production quality of the parts is improved, customer complaints are reduced, and the defective products with the burr repairing problem are remarkably improved.

Description

Special-shaped hole chamfer burring device

Technical Field

The invention belongs to the technical field of machining, and particularly relates to a special-shaped hole chamfering and deburring device.

Background

When a product with a special-shaped hole and a complex side line is produced, a cylindrical raw material is perforated and cut through a lathe, burrs and flashes can be generated in the special-shaped hole and the trimming due to the problem of the lathe machining process, installation can be influenced during assembly, and the burrs and the flashes are polished and chamfered through a grinding machine and abrasive paper by a manual method during machining.

Based on the aforesaid, when current chamfer device carries out the chamfer to the dysmorphism hole, can not totally coincide the looks transversal and carry out chamfer processing, lead to some positions chamfer bigger, some positions chamfer is smaller, still remain the burr even, through manual chamfer, the chamfer effect depends on workman's technical ability level, and work efficiency is lower, has seriously influenced the processingquality of product, influences the use, need repair when serious, causes wasting of resources and economic loss.

In view of the above, the present invention provides a special-shaped hole chamfering and deburring apparatus, which is improved in view of the conventional structure and defects, and is expected to achieve a more practical purpose.

Disclosure of Invention

In order to solve the technical problems, the invention provides a special-shaped hole chamfering and deburring device, which is used for solving the problems that when an existing chamfering device is used for chamfering a special-shaped hole, chamfering processing cannot be carried out completely by conforming to an intersecting line, so that chamfering processing is carried out on some parts, the chamfering processing is larger, the chamfering processing is smaller on some parts, even burrs are still remained, through manual chamfering, the chamfering effect depends on the skill level of workers, the working efficiency is lower, the processing quality of a product is seriously influenced, the use is influenced, and the resource waste and the economic loss are caused because repair is needed in serious cases.

The invention relates to a special-shaped hole chamfer deburring device, which is achieved by the following specific technical means:

a special-shaped hole chamfering and deburring device comprises a tailstock and an internal expansion chuck; the top of the tailstock is fixedly connected with a group of annular floating tool holders with sliding grooves; the top of the tailstock is rotatably connected with a group of electric grinder mounting seats; the front end of the tailstock is rotatably connected with a group of electric grinder limiting rods; the rear end of the tailstock is fixedly connected with a group of tension springs; the tension spring is elastically connected with a group of electric grinder mounting seats; a group of floating electric grinders are fixedly connected inside the electric grinder mounting seat; a group of floating electric grinding heads are fixedly connected to the left driving shaft of the floating electric grinder; the inner expansion chuck is rotationally connected to a lathe spindle; the inner expansion chuck is fixedly connected with a group of rocker shaft parts.

Furthermore, the tailstock also comprises a floating tool apron and a lathe control seat, wherein a group of annular floating tool apron with a sliding groove is fixedly connected to the top of the tailstock, and the bottom of the tailstock is connected to a sliding rail on the lathe control seat in a sliding mode.

Further, the electric grinder limiting rod further comprises a handle, a screw thread is arranged on the rod body of the electric grinder limiting rod, a screw thread meshing mechanism is formed by the electric grinder limiting rod and the open hole of the front connecting rod of the tailstock, the head of the electric grinder limiting rod is in contact with the electric grinder mounting seat, and the front end of the electric grinder limiting rod is fixedly connected with a set of handle.

Further, tension spring is still including the spring fixed pin, and tension spring's one end fixed connection is on the spring fixed pin, and spring fixed pin fixed connection is at the connecting rod at tailstock rear portion, and tension spring elastic connection has a set of electric grinder mount pad.

Further, the electric grinder mounting seat further comprises a limiting rod stop block and a spring connecting rod, the electric grinder mounting seat is rotatably connected in an annular chute of the floating cutter holder, the front end of the right side of the electric grinder mounting seat is fixedly connected with a set of limiting rod stop block, the limiting rod stop block limits the position of the limiting rod of the electric grinder, the rear end of the left side of the electric grinder mounting seat is fixedly connected with a set of spring connecting rod, and the spring connecting rod is elastically connected with a tension spring.

Furthermore, the floating electric grinder also comprises a floating electric grinding head, the floating electric grinder is fixedly connected in an electric grinder mounting seat, and a group of shuttle-shaped floating electric grinding heads are fixedly connected to a driving shaft on the left side of the floating electric grinder.

Furthermore, the internal expansion chuck further comprises a rocker shaft part, the internal expansion chuck is rotationally connected to the lathe spindle, three groups of clamping blocks are arranged inside the internal expansion chuck, and the internal expansion chuck is fixedly connected with a group of rocker shaft parts through the clamping blocks.

Compared with the prior art, the invention has the following beneficial effects:

by adopting the rotatable floating electric grinder, the angle of the floating electric grinding head can be changed according to the form of the intersecting line in the grinding process, so that the floating electric grinding head can be closely matched with the intersecting line all the time, and the uniform size of the chamfer angle is ensured; by adopting the tension spring, the floating electric grinding head has certain pretightening force during grinding, so that cutting force is provided for the chamfer of the floating electric grinding head, uniform cutting is ensured, and the chamfer is machined; when the deburring machine is used, deburring is convenient and quick, the work which is difficult to finish by manpower and common equipment is replaced, the production quality of parts is improved, customer complaints and repair are reduced, good chamfering processing can be carried out on defective products with the problem of repairing burrs, the working efficiency is improved, and resource waste and economic loss are reduced.

Drawings

Fig. 1 is a schematic view of the installation position of the main body of the present invention on the shaft side.

FIG. 2 is a schematic axial view of the floating electric grinding head of the present invention in cooperation with an internal expansion chuck.

FIG. 3 is a schematic axial side view of the spring connecting rod and the stopper of the invention.

Fig. 4 is a schematic axial sectional view of the floating electric grinder of the present invention.

Fig. 5 is a rear view schematically showing the structure of the floating electric grinder of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a tailstock; 101. a floating tool apron; 102. a lathe control seat; 2. an electric grinder mounting seat; 201. a limit rod stop block; 202. a spring connecting rod; 3. a tension spring; 301. a spring fixing pin; 4. a limiting rod of the electric grinder; 401. a handle; 5. a floating electric grinder; 501. floating the electric grinding head; 6. an inner expansion chuck; 601. rocker shaft components.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the invention provides a special-shaped hole chamfer deburring device, which comprises a tailstock 1 and an internal expansion chuck 6; the top of the tailstock 1 is fixedly connected with a group of annular floating tool holders 101 with sliding chutes; the top of the tailstock 1 is rotatably connected with a group of electric grinder mounting seats 2; the front end of the tailstock 1 is rotatably connected with a group of electric grinder limiting rods 4; the rear end of the tailstock 1 is fixedly connected with a group of tension springs 3; the tension spring 3 is elastically connected with a group of electric grinder mounting seats 2; a group of floating electric grinders 5 are fixedly connected inside the electric grinder mounting seat 2; a group of floating electric grinding heads 501 are fixedly connected to a left driving shaft of the floating electric grinder 5; the inner expansion chuck 6 is rotationally connected to a lathe spindle; the inner expansion chuck 6 is fixedly connected with a group of rocker shaft parts 601.

Wherein, tailstock 1 is still including unsteady blade holder 101, lathe control seat 102, a set of annular unsteady blade holder 101 that has the spout of tailstock 1 top fixedly connected with, tailstock 1 bottom sliding connection is on the slide rail on lathe control seat 102, when using, tailstock 1 can finely tune through the slide rail of lathe control seat 102, current structure in lathe control seat 102 lathe can be adjusted tailstock 1 all around the position, and the electric grinder mount pad 2 can rotate in the annular spout of unsteady blade holder 101.

Wherein, 4 poles of the electric grinder gag lever post are still including

handle

401, 4 poles of the electric grinder gag lever post are provided with the screw thread, screw-thread engagement mechanism is constituteed with the trompil of the 1 front portion connecting rod of tailstock to 4 poles of the electric grinder gag lever post, 4 poles of the electric grinder gag lever post contact with the electric

grinder mount pad

2, 4 front end fixedly connected with of electric grinder gag lever post have a set of handle 401, when using, make 4 rotations of electric grinder gag lever posts through manual rotation handle 401, make 4 seesaws of electric grinder gag lever post on the 1 front portion connecting rod of tailstock through screw-thread engagement mechanism, 4 poles of the electric grinder gag lever post withstand 2 lateral walls of electric grinder mount pad, make the angle of electric grinder mount pad 2 change.

Wherein, tension spring 3 is still including spring fixed pin 301, tension spring 3's one end fixed connection is on spring fixed pin 301, spring fixed pin 301 fixed connection is at the connecting rod at tailstock 1 rear portion, tension spring 3 elastic connection has a set of electric grinder mount pad 2, when using, it is fixed with tension spring 3's one end through spring fixed pin 301, tension spring 3 connects on spring connecting rod 202 after the other end is taut, electric grinder mount pad 2 is pulled the tensile influence rotation of tension spring 3.

Wherein, the electric grinder mount pad 2 still includes gag lever post dog 201,

spring coupling pole

202, 2 rotations of electric grinder mount pad are connected in the annular spout of

unsteady blade holder

101, 2 right side front end fixedly connected with of electric grinder mount pad have a set of gag lever post dog 201, gag lever post dog 201 restriction electric grinder gag lever post 4's position, 2 left side rear end fixedly connected with of electric grinder mount pad 202 have a set of spring coupling pole 202,

spring coupling pole

202 and 3 elastic connection of tension spring, when using, electric grinder mount pad 2 can be at unsteady blade holder 101 internal rotation, gag lever post dog 201 can prevent that electric grinder gag lever post 4 from breaking off with 2 lateral walls of electric grinder mount pad when the adjustment accidentally, spring coupling pole 202 left side is provided with a set of nut, embolia the nut behind the spring coupling pole 202 with 3 one end of tension spring, prevent that tension spring 3 from popping out accidentally.

The floating electric grinder 5 further comprises a floating electric grinding head 501, the floating electric grinder 5 is fixedly connected into the electric grinder mounting seat 2, a group of shuttle-shaped floating electric grinding heads 501 are fixedly connected onto a driving shaft on the left side of the floating electric grinder 5, when the floating electric grinder 5 is used, the floating electric grinder 5 synchronizes with the rotation angle of the electric grinder mounting seat 2, the floating electric grinder 5 is influenced by a tension spring 3 to synchronously swing under stress, the floating electric grinder 5 is electrified to drive the floating electric grinding head 501 to rotate, and the floating electric grinding head 501 is enabled to complete profile cutting along the intersecting line of the rocker shaft part 601.

When the internal expansion chuck 6 is used, the rocker shaft part 601 is fastened on the internal expansion chuck 6 through the three groups of expansion type pull rod clamping blocks arranged in the internal expansion chuck 6, the internal expansion chuck 6 is driven by a main shaft of a manual instrument lathe, so that the rocker shaft part 601 runs at a low speed, and the groove on the right side of the rocker shaft part 601 is subjected to copying cutting by the floating electric grinding head 501.

The specific use mode and function of the embodiment are as follows:

the inner expansion chuck 6 is driven by a main shaft of a manual instrument lathe, a rocker shaft part 601 is fastened on the inner expansion chuck 6 through three groups of expansion type pull rod clamping blocks arranged in the inner expansion chuck 6, the rocker shaft part 601 runs at a low speed, a slide rail of a lathe control seat 102 at the top of the lathe can finely adjust the position of the tailstock 1, an electric grinder mounting seat 2 can rotate in an annular chute of a floating tool apron 101, a floating electric grinder 5 synchronizes the rotating angle of the electric grinder mounting seat 2, the rotating angle of the electric grinder mounting seat 2 is adjusted by manually rotating a handle 401 according to the intersecting line chamfering angle, meanwhile, the tension spring 3 is elastically connected to the spring connecting rod 202, and the floating electric grinding machine 5 enables the floating electric grinding head 501 to form a profile chamfer along with the intersecting line shape of the rocker shaft part 601 for deburring and deburring under the elastic action of the tension spring 3.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a dysmorphism hole chamfer burring device which characterized in that: comprises a tailstock (1) and an internal expansion chuck (6); the top of the tailstock (1) is fixedly connected with a group of annular floating tool holders (101) with sliding grooves; the top of the tailstock (1) is rotatably connected with a group of electric grinder mounting seats (2); the front end of the tailstock (1) is rotatably connected with a group of electric grinder limiting rods (4); the rear end of the tailstock (1) is fixedly connected with a group of tension springs (3); the tension spring (3) is elastically connected with a group of electric grinder mounting seats (2); a group of floating electric grinders (5) are fixedly connected inside the electric grinder mounting seat (2); a group of floating electric grinding heads (501) are fixedly connected to a left driving shaft of the floating electric grinder (5); the inner expansion chuck (6) is rotationally connected to a lathe spindle; the inner expansion chuck (6) is fixedly connected with a group of rocker shaft parts (601).

2. The special-shaped hole chamfer deburring device of claim 1, wherein: the tailstock (1) further comprises a floating tool apron (101) and a lathe control seat (102), a group of annular floating tool apron (101) with sliding grooves is fixedly connected to the top of the tailstock (1), and the bottom of the tailstock (1) is connected to a sliding rail on the lathe control seat (102) in a sliding mode.

3. The special-shaped hole chamfer deburring device of claim 1, wherein: the electric grinder limiting rod (4) is characterized by further comprising a handle (401), a rod body of the electric grinder limiting rod (4) is provided with threads, a threaded engagement mechanism is formed by the electric grinder limiting rod (4) and a hole of a front connecting rod of the tailstock (1), a rod head of the electric grinder limiting rod (4) is in contact with the electric grinder mounting seat (2), and the front end of the electric grinder limiting rod (4) is fixedly connected with the handle (401).

4. The special-shaped hole chamfer deburring device of claim 1, wherein: the tension spring (3) is characterized by further comprising a spring fixing pin (301), one end of the tension spring (3) is fixedly connected to the spring fixing pin (301), the spring fixing pin (301) is fixedly connected to a connecting rod at the rear portion of the tailstock (1), and the tension spring (3) is elastically connected with a group of electric grinder mounting seats (2).

5. The special-shaped hole chamfer deburring device of claim 1, wherein: the electric grinder mounting seat (2) further comprises a limiting rod stop block (201) and a spring connecting rod (202), the electric grinder mounting seat (2) is rotatably connected in an annular chute of the floating cutter holder (101), the front end of the right side of the electric grinder mounting seat (2) is fixedly connected with a set of limiting rod stop block (201), the limiting rod stop block (201) limits the position of the limiting rod (4) of the electric grinder, the rear end of the left side of the electric grinder mounting seat (2) is fixedly connected with a set of spring connecting rod (202), and the spring connecting rod (202) is elastically connected with a tension spring (3).

6. The special-shaped hole chamfer deburring device of claim 1, wherein: the floating electric grinder (5) further comprises a floating electric grinding head (501), the floating electric grinder (5) is fixedly connected in the electric grinder mounting seat (2), and a group of fusiform floating electric grinding heads (501) are fixedly connected to a driving shaft on the left side of the floating electric grinder (5).

7. The special-shaped hole chamfer deburring device of claim 1, wherein: the inner expansion chuck (6) further comprises a rocker shaft part (601), the inner expansion chuck (6) is rotatably connected to a lathe spindle, three groups of clamping blocks are arranged inside the inner expansion chuck (6), and the inner expansion chuck (6) is fixedly connected with a group of rocker shaft parts (601) through the clamping blocks.