CN215788193U

CN215788193U - Pressing type hole boring device

Info

Publication number: CN215788193U
Application number: CN202121649508.6U
Authority: CN
Inventors: 柯贤海
Original assignee: Zhuhai Junxing Electromechanical Co ltd
Current assignee: Zhuhai Junxing Electromechanical Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-02-11
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a pressing type boring device which comprises a jig body, a pressing piece and a pressure adjusting device, wherein the pressure adjusting device enables the pressing piece to move towards the jig body; when hole boring is carried out, a machining workpiece is placed in the limiting hole, and the pressing piece and the jig body form resultant force in the vertical direction to clamp the machining workpiece. The pressing type boring device changes the clamping mode of the processed workpiece, the outer diameter of the processed workpiece is only used for fixing a reference, and a clamping stress part is not used, so that the problem of clamping deformation of the processed workpiece in the processing process is solved, and the processing precision and the qualification rate of the workpiece are improved.

Description

Pressing type hole boring device

Technical Field

The utility model relates to the field of boring processing, in particular to a pressing type boring device.

Background

Boring (boring) refers to a method of performing precision machining in an existing hole. At present, the three-jaw chuck is used for clamping the outer diameter of a product to carry out boring processing, the wall of a part of the product is thin, and the product is easy to deform in the process of three-jaw clamping processing, so that the processing precision of the product is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to design a pressing type boring device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a pressing type hole boring device comprises a jig body, a pressing piece and a pressure adjusting device for enabling the pressing piece to move towards the jig body, wherein a limiting hole is formed in the upper end of the jig body, and a cutter guide hole corresponding to the limiting hole is formed in the pressing piece; when hole boring is carried out, a machining workpiece is placed in the limiting hole, and the pressing piece and the jig body form resultant force in the vertical direction to clamp the machining workpiece.

Further, the jig body and the pressure adjusting device are arranged on the upper end face of the mounting base plate.

Further, the lower extreme lateral wall of tool body is equipped with the chip removal passageway that link up, the chip removal passageway with spacing hole is linked together.

Further, the pressure adjusting device is composed of two pressing cylinders respectively arranged on two sides of the jig body, and the output ends of the pressing cylinders are connected with the lower end face of the pressing piece.

Further, the pressure adjusting device comprises a sliding rod and a threaded rod which are respectively arranged on two sides of the jig body, a sliding hole and a threaded hole are formed in the pressing piece, the sliding rod is sleeved with the sliding hole, and the threaded hole is in threaded connection with the threaded rod.

Further, the upper end of the threaded rod is provided with a screwing handle.

Further, the upper portion of tool body is round platform structure, and the lower part is the cylinder structure.

Further, the pressing piece is of a cubic structure.

The utility model has the beneficial effects that: compared with the prior art, the pressing type boring device comprises a jig body, a pressing piece and a pressure adjusting device for enabling the pressing piece to move towards the jig body, wherein the upper end part of the jig body is provided with a limiting hole, and the pressing piece is provided with a cutter guide hole corresponding to the limiting hole; when hole boring machining is carried out, a machined workpiece is placed in the limiting hole, the pressing piece and the jig body form resultant force in the vertical direction to clamp the machined workpiece, so that the clamping mode of the machined workpiece is changed, the outer diameter of the machined workpiece is only used as a fixed reference and does not serve as a clamping stress part, the problem that the machined workpiece is clamped and deformed in the machining process is solved, and the machining precision and the machining yield of the workpiece are improved.

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 of 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 view of the overall structure of a press-type boring device according to the present invention;

FIG. 2 is an exploded view of the press type boring device of the present invention;

FIG. 3 is a schematic view of a press type boring machine according to a second embodiment of the present invention.

The names of the components identified in the figures are as follows: 1. a compression member; 2. a cutter guide hole; 3. a pressing cylinder; 4. a circular truncated cone structure; 5. a cylindrical structure; 6. a chip removal channel; 7. processing a workpiece; 8. a limiting hole; 9. mounting a bottom plate; 10. a slide bar; 11. screwing the handle; 12. a threaded rod; 13. a jig body.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the description is only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 3, the pressing type boring device of the present invention includes a jig body 13, a pressing member 1, and a pressure adjusting device for moving the pressing member 1 toward the jig body 13, wherein the upper end of the jig body 13 is provided with a limiting hole 8, and the pressing member 1 is provided with a cutter guide hole 2 corresponding to the limiting hole 8; when boring processing is carried out, the processing workpiece 7 is placed in the limiting hole 8, and the pressing piece 1 and the jig body 13 form resultant force in the vertical direction to clamp the processing workpiece 7 tightly. In this embodiment, the upper portion of the workpiece 7 is a circular truncated cone, the lower portion is a cylinder, the lower bottom surface of the circular truncated cone is connected with the upper bottom surface of the cylinder, and the diameter of the lower bottom surface of the circular truncated cone is larger than that of the upper bottom surface of the cylinder. The machining piece is provided with a machining hole penetrating through the circular truncated cone and the cylinder, and the diameter of the cylinder for machining the workpiece 7 is the same as that of the limiting hole 8. The diameter of the cutter guide hole 2 is larger than that of the machining hole and smaller than that of the upper surface of the circular truncated cone. And the boring cutter passes through the cutter guide hole 2 and enters the machining hole pair for precision machining.

The jig body 13 and the pressure adjusting device are both disposed on the upper end surface of the mounting base plate 9. So set up and to carry out synchronous transfer with tool body 13 and pressure adjustment device simultaneously, be applicable to different processing scenes.

The lower extreme lateral wall of tool body 13 is equipped with link up chip removal passageway 6, and chip removal passageway 6 is linked together with spacing hole 8. The chip removal channel 6 is communicated with the limiting hole 8, so that chips generated by the boring can be smoothly discharged, accumulation is not easy to cause, and the working efficiency of the boring is improved.

The pressure adjusting device is composed of two pressing cylinders 3 respectively arranged on two sides of the jig body 13, and the output ends of the pressing cylinders 3 are connected with the lower end face of the pressing piece 1. Through setting up two and compressing tightly cylinder 3, when making to compress tightly processing work piece 7, compress tightly 1 both ends atress balance, ensure the stability in the course of working.

The pressure adjusting device comprises a sliding rod 10 and a threaded rod 12 which are respectively arranged on two sides of the jig body 13, a sliding hole and a threaded hole are formed in the pressing piece 1, the sliding rod 10 is sleeved with the sliding hole, and the threaded hole is in threaded connection with the threaded rod 12. The threaded rod 12 can be rotated on the mounting base 9. Threaded rod 12 passes through threaded engagement with pressing member 1, and consequently threaded rod 12 when rotating, can make pressing member 1 be close to gradually tool body 13 and finally carry out vertical clamp to the work piece through the lower bottom of clamping piece, and slide bar 10 multiplicable pressing member 1 stability of removing avoids rocking.

The upper end of the threaded rod 12 is provided with a screwing handle 11. The threaded rod 12 can be rotated by driving the screwing knob 11.

The upper portion of tool body 13 is round platform structure 4, and the lower part is cylinder structure 5, and round platform structure 4 and cylinder structure 5 integrated into one piece. When a workpiece is machined, some chips can come out from the upper side of the workpiece, the inclined surface formed by the circular truncated cone structure 4 is beneficial to the chips to slide off the inclined surface, accumulation is not easy to form, and meanwhile, the material cost for manufacturing the jig body 13 is also saved.

The pressing piece 1 is of a cubic structure. The cubic structure has a plurality of planes, and when the cube abuts against the upper surface of the machined workpiece 7, the cube is in surface-to-surface contact, so that the stress on the upper surface of the machined workpiece is more uniform.

The working principle of the embodiment is as follows: in the first embodiment, the pressure adjusting device is two pressing cylinders 3 respectively disposed at two sides of the jig body 13. When a workpiece is machined, the workpiece is placed in the limiting hole 8, the cylinder 5 at the lower part of the workpiece is in the limiting hole 8, and the lower bottom surface of the upper circular truncated cone 4 is abutted to the upper bottom surface of the circular truncated cone 4 of the jig body 13. The adjusting and pressing cylinder 3 slowly moves downwards, and when the pressing piece 1 is abutted to the upper bottom surface of the workpiece, the workpiece is pressed by the pressure applied by the adjusting cylinder. At this time, the upper bottom surface of the workpiece is pressed downward by the pressing member 1, and the lower bottom surface is pressed upward by the jig body 13, so that the workpiece is clamped and fixed by the two pressures. In the embodiment, the cylinder is used for compressing and changing the mounting stress point of the workpiece, the workpiece is clamped only by the stress on the upper surface and the lower surface of the workpiece, the outer diameter of the workpiece is only used for fixing a reference, the clamping stress point is not used, and the size precision of an inner hole cannot be influenced by deformation. The second embodiment is different from the first embodiment in the pressure adjusting means. Pressure adjusting device revolves the handle 11 through the drive and makes threaded rod 12 rotate including locating slide bar 10 and the threaded rod 12 of tool body 13 both sides respectively, can make to compress tightly 1 and be close to gradually tool body 13 and finally carry out vertical clamp to the work piece through the lower bottom of clamping piece, and slide bar 10 multiplicable compresses tightly the stability that 1 removed, avoids rocking.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides a compact form boring device which characterized in that: the tool comprises a tool body, a pressing piece and a pressure adjusting device for enabling the pressing piece to move towards the tool body, wherein the upper end part of the tool body is provided with a limiting hole, and the pressing piece is provided with a cutter guide hole corresponding to the limiting hole; when hole boring is carried out, a machining workpiece is placed in the limiting hole, and the pressing piece and the jig body form resultant force in the vertical direction to clamp the machining workpiece.

2. The press-in boring device according to claim 1, wherein: the jig body and the pressure adjusting device are arranged on the upper end face of the mounting base plate.

3. The press-in boring device according to claim 1, wherein: the lower extreme lateral wall of tool body is equipped with the chip removal passageway that link up, the chip removal passageway with spacing hole is linked together.

4. The press-in boring device according to claim 1, wherein: the pressure adjusting device is composed of two pressing cylinders respectively arranged on two sides of the jig body, and the output ends of the pressing cylinders are connected with the lower end face of the pressing piece.

5. The press-in boring device according to claim 1, wherein: the pressure adjusting device comprises a sliding rod and a threaded rod which are respectively arranged on two sides of the jig body, a sliding hole and a threaded hole are formed in the pressing piece, the sliding rod is sleeved with the sliding hole, and the threaded hole is in threaded connection with the threaded rod.

6. The press-in boring device according to claim 5, wherein: and a screwing handle is arranged at the upper end part of the threaded rod.

7. The press-in boring device according to claim 1, wherein: the upper portion of tool body is round platform structure, and the lower part is the cylinder structure.

8. The press-in boring device according to claim 1, wherein: the pressing piece is of a cubic structure.