CN213288713U

CN213288713U - Grooving boring cutter bar

Info

Publication number: CN213288713U
Application number: CN202022210873.9U
Authority: CN
Inventors: 顾文平
Original assignee: Qingzhou Dewei Power Co ltd
Current assignee: Qingzhou Dewei Power Co ltd
Priority date: 2020-10-01
Filing date: 2020-10-01
Publication date: 2021-05-28
Anticipated expiration: 2030-10-01

Abstract

The utility model discloses a grooving boring cutter bar, which comprises a push rod, wherein a guide key is sleeved on the right side of the push rod, a bearing is arranged outside the guide key, a bearing cover is arranged outside the bearing, and a bearing seat is arranged on the right side of the bearing cover; the right side of the bearing is provided with a positioning sleeve, the right side of the positioning sleeve is connected with a boring bar, and the inner side of the boring bar is provided with a spring; the right side of the boring rod is connected with a sliding block, a boring blade is mounted on the outer side of the sliding block, and a guide blade is arranged at the rear end of the boring blade; and a bolt is arranged at the tail part of the boring rod. The boring cutter bar is simple in structure, easy to assemble, stable in processing quality and strong in popularization.

Description

Grooving boring cutter bar

Technical Field

The utility model belongs to the machining field, concretely relates to grooving boring cutter pole.

Background

In the field of machining, grooves with small width and shallow depth are formed in holes of some mechanical parts, such as elastic retainer grooves for holes, O-shaped seal ring grooves and the like. The mechanism is relatively complicated to apply, and the quality and the efficiency of processing parts are relatively low. If the numerical control machining center is used for machining, the machining cost is increased, and the manufacturing cost is increased due to the fact that special accessory heads and special cutters need to be customized due to the limitation of the structure of the part in some grooves.

SUMMERY OF THE UTILITY MODEL

The utility model provides a grooving boring cutter pole, this equipment use simple structure, easy equipment, processingquality is stable, and popularization nature is strong.

In order to achieve the above object, the utility model provides a following technical scheme: a grooving boring cutter bar comprises a push rod, wherein a guide key is sleeved on the right side of the push rod, a bearing is arranged on the outer side of the guide key, a bearing cover is arranged on the outer side of the bearing, and a bearing seat is arranged on the right side of the bearing cover; the right side of the bearing is provided with a positioning sleeve, the right side of the positioning sleeve is connected with a boring bar, and the inner side of the boring bar is provided with a spring; the right side of the boring rod is connected with a sliding block, a boring blade is mounted on the outer side of the sliding block, and a guide blade is arranged at the rear end of the boring blade; and a bolt is arranged at the tail part of the boring rod.

Preferably, a gasket is further arranged between the bolt and the boring bar.

Preferably, the boring bar is provided with a cutter pressing screw.

Preferably, the side surface of the sliding block is provided with a bevel gear shape.

Preferably, the sliding block is provided with a square knife groove.

Preferably, the square cutter groove is provided with a threaded hole.

Compared with the prior art, the beneficial effects of the utility model are that: simple structure, easy equipment, processingquality is stable, and the popularization nature is strong.

Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

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

Fig. 1 is a partial sectional view of the boring bar of the present invention;

FIG. 2 is a side perspective view of the boring bar of the present invention;

in the figure: 1. the tool comprises a push rod, 2, a guide key, 3, a bearing cover, 4, a bearing seat, 5, a positioning sleeve, 6, a boring rod, 7, a spring, 8, a sliding block, 9, a boring blade, 10, a guide blade, 11, a bearing, 12, a gasket, 13, a bolt, 14 and a tool pressing screw.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.

Unless specifically stated 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 invention. 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.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature 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 term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Referring to fig. 1-2, the present invention provides a technical solution: a grooving boring cutter bar comprises a push rod 1, wherein a guide key 2 is sleeved on the right side of the push rod, a bearing 11 is arranged on the outer side of the guide key, a bearing cover 3 is arranged on the outer side of the bearing 11, and a bearing seat 4 is arranged on the right side of the bearing cover; a positioning sleeve 5 is arranged on the right side of the bearing 11, a boring rod 6 is connected to the right side of the positioning sleeve, and a spring 7 is arranged on the inner side of the boring rod 6; the right side of the boring rod 6 is connected with a sliding block 8, the outer side of the sliding block is provided with a boring blade 9, and the rear end of the boring blade is provided with a guide blade 10; the tail part of the boring bar 6 is provided with a bolt 13. A washer 12 is also provided between the bolt 13 and the boring bar 6. The boring bar 6 is provided with a cutter pressing screw 14. The side surface of the sliding block 8 is provided with a bevel gear shape. The slide block 8 is provided with a square knife groove. The square cutter groove is provided with a threaded hole.

The right end part of the push rod 1 is milled by a half along the axial central plane, and is milled with an oblique tooth form, one side surface of the slide block 8 is milled with an oblique tooth form, and the slide block 8 is provided with a square cutter groove. The right end part of the boring bar 6 is provided with a guide blade 10, a square cutter groove and a threaded hole.

When the boring cutter bar is assembled, the boring bar 6, the bearing 11, the bearing seat 4, the bearing cover 1 and the positioning sleeve 5 are sequentially assembled, the spring 7 is placed in a hole of the boring bar 6, the sliding block 8 is placed in a square cutter groove at the right end of the boring bar 6, the push rod 1 is placed in the hole of the boring bar 6, a key groove of the push rod 1 is aligned with a key groove of the boring bar 6, the gasket 12 is placed, and the bolt 13 is locked (the gasket 12 and the bolt 13 mainly serve for limiting and pre-tightening the spring). Fastening the two guide keys 2 to the boring bar 6; the boring blade 9 is placed in the slot of the slide block 8, the extension length of the blade is adjusted according to the diameter of the slot and is fastened by two cutter pressing screws 14.

The working principle is as follows: the positioning sleeve 5 is attached to the end face of a workpiece, the spindle of the machine tool continues to move axially, and travels for a section of idle stroke (determined according to the distance from the boring blade 9 to the guide blade 10), the guide blade 10 is arranged in a machining hole, and the main function of the guide blade 10 is to prevent the boring bar 6 from vibrating to cause the chattering or cutting phenomenon of the machined surface of the groove when the groove is cut. And starting the main shaft of the machine tool, continuously moving the push rod 1 in the axial direction, and pushing the boring blade 9 on the sliding block 8 to move in the radial direction through the helical teeth, so that the boring blade 9 cuts into the workpiece, and a groove is machined. After the groove is machined, the main shaft stops rotating, the axial retraction pushes the inclined teeth on the push rod 1 to push the boring blade 9 on the slide block 8 to do radial retraction movement through the resilience force of the spring 7, and the gasket 12 and the end face of the boring rod 6 are attached to the boring blade 9 and retracted in place.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A grooving boring cutter arbor, includes push rod (1), its characterized in that: a guide key (2) is sleeved on the right side of the push rod, a bearing (11) is installed on the outer side of the guide key, a bearing cover (3) is installed on the outer side of the bearing (11), and a bearing seat (4) is installed on the right side of the bearing cover; a positioning sleeve (5) is mounted on the right side of the bearing (11), a boring rod (6) is connected to the right side of the positioning sleeve, and a spring (7) is arranged on the inner side of the boring rod (6); the right side of the boring rod (6) is connected with a sliding block (8), a boring blade (9) is installed on the outer side of the sliding block, and a guide blade (10) is arranged at the rear end of the boring blade; and a bolt (13) is arranged at the tail part of the boring rod (6).

2. The grooving boring bar of claim 1, wherein: and a gasket (12) is also arranged between the bolt (13) and the boring rod (6).

3. The grooving boring bar of claim 1, wherein: and a cutter pressing screw (14) is arranged on the boring bar (6).

4. The grooving boring bar of claim 1, wherein: the side surface of the sliding block (8) is provided with a bevel gear shape.

5. The grooving boring bar of claim 1 or 4, wherein: the sliding block (8) is provided with a square knife groove.

6. The grooving boring bar of claim 5, wherein: the square cutter groove is provided with a threaded hole.