CN214263934U

CN214263934U - Novel fine-adjustment reverse boring cutter

Info

Publication number: CN214263934U
Application number: CN202023102710.5U
Authority: CN
Inventors: 丁大勇
Original assignee: Guangzhou Pinsheng Machinery Technology Co ltd
Current assignee: Guangzhou Pinsheng Machinery Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-09-24
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses a novel fine-adjustment reverse boring cutter, which comprises a cutter handle, a boring head main body, a movable block, a conversion block, a boring cutter rod and a blade, wherein the interior of the cutter handle is connected with the boring head main body through a bolt, the interior of the boring head main body is provided with the movable block, the interior of the movable block is connected with a fine-adjustment mechanism in a sliding way, the fine-adjustment mechanism is connected with the conversion block through a thread, the interior of the conversion block is fixedly provided with the boring cutter rod through a bolt, the surface of the boring cutter rod is provided with the blade, the surface of the boring head main body is fixedly connected with a pressing plate, the pressing plate and the movable block are fixedly arranged through the bolt, the boring cutter rod and the conversion block are assembled by utilizing thermal fit, the boring cutter rod is ensured not to vibrate when the precision machining of back boring holes and the like, the machined boring holes are good, a first tooth socket forms a limit position on a second tooth socket in the rotating direction, and the cutter head is ensured not to shake when rotating, the processing precision is improved, and the practicability is high.

Description

Novel fine-adjustment reverse boring cutter

Technical Field

The utility model relates to a boring cutter mechanism field specifically is a novel reverse boring cutter of fine setting.

Background

The boring cutter is one of hole machining cutters, is generally a round handle, and is also commonly used in a vertical lathe for a square cutter rod of a larger workpiece, wherein the most common occasions are inner hole machining, hole expanding, profiling and the like. However, the inner hole can be machined, and the outer circle of the end face can also be machined, which is not used conventionally.

To current boring cutter, its fine setting mechanism locking mode is mostly the bolt fastening, easily produces relative displacement between boring cutter pole and the main part, and boring cutter work can rock, influences the machining precision, for this reason, we provide a reverse boring cutter of novel fine setting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel reverse boring cutter of fine setting to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel reverse boring cutter finely tunes, includes handle of a knife, boring head main part, movable block, conversion piece, boring cutter arbor and blade, there is the boring head main part handle of a knife inside through bolted connection, boring head main part internally mounted has the movable block, the inside sliding connection of movable block has fine-tuning, fine-tuning has the conversion piece through threaded connection, there is the boring cutter arbor inside through bolt fixed mounting of conversion piece, boring cutter arbor surface mounting has the blade.

Preferably, the surface of the boring head main body is fixedly connected with a pressing plate, and the pressing plate and the movable block are fixedly installed through bolts.

Preferably, the fine adjustment mechanism comprises a screw rod, a first tooth groove and a second tooth groove, the screw rod is rotatably connected inside the movable block, the screw rod is connected with the conversion block through threads, the first tooth groove is formed in the surface of the movable block, the second tooth groove is formed in the surface of the conversion block, and the first tooth groove is connected with the second tooth groove in a sliding mode.

Preferably, the boring cutter rod and the conversion block are assembled in a hot fit mode.

Preferably, the blade is a TP-type PCD blade.

Preferably, the two ends of the screw rod are provided with inner hexagonal grooves.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a fix handle of a knife and boring head main part through the bolt, assemble movable block and conversion piece through the lead screw again, can begin to use, the fixture centre gripping handle of a knife on the lathe, can use, when needs fine setting, loosen the nut on the clamp plate, rotate the lead screw with interior hexagonal spanner, can adjust the conversion piece and move relative to the movable block, the conversion piece moves on the movable block surface, first tooth's socket and second tooth's socket slide relatively, wait to adjust to required adjusting position, tighten the bolt on the clamp plate again, make clamp plate and movable block fixed mounting, the clamp plate compresses tightly the conversion piece simultaneously, fine setting is accomplished, when using the utility model, boring cutter arbor and conversion piece utilize the hot fit assembly, guarantee boring cutter arbor can not shake in precision machining such as processing back, the bore finish of processing is good, first tooth's socket forms spacing to second tooth's socket in the direction of rotation, the tool bit can not rock when guaranteeing to rotate, improves the machining precision, and the practicality is strong.

Drawings

FIG. 1 is a three-dimensional effect diagram of the present invention;

FIG. 2 is a structural view of the pressing plate of the present invention;

FIG. 3 is a sectional structure view of the fine adjustment mechanism of the present invention;

fig. 4 is a diagram of the movable block of the present invention.

In the figure: 1. a knife handle; 2. a boring head main body; 3. pressing a plate; 4. a movable block; 41. a screw rod; 42. a first tooth slot; 43. a second tooth slot; 5. a conversion block; 6. boring a cutter bar; 7. a blade; 8. an inner hexagonal groove; 9. a fine adjustment mechanism.

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 work belong to the protection scope of the present invention.

Referring to fig. 1, the novel fine-adjustment reverse boring cutter comprises a cutter handle 1, a boring head main body 2, a movable block 4, a conversion block 5, a boring cutter rod 6 and a blade 7, wherein the boring head main body 2 is connected to the interior of the cutter handle 1 through a bolt, the movable block 4 is installed inside the boring head main body 2, a fine-adjustment mechanism 9 is connected to the interior of the movable block 4 in a sliding mode and plays a role of fine-adjusting the blade 7, the conversion block 5 is connected to the fine-adjustment mechanism 9 through a thread, the boring cutter rod 6 is fixedly installed inside the conversion block 5 through a bolt, and the blade 7 is installed on the surface of the boring cutter rod 6.

Referring to fig. 1 and 2, a pressing plate 3 is fixedly connected to the surface of the boring head main body 2, and the pressing plate 3 and the movable block 4 are fixedly installed through bolts to fix the movable block 4 and compress the conversion block 5.

Referring to fig. 1, 3 and 4, the fine adjustment mechanism 9 includes a screw 41, a first tooth space 42 and a second tooth space 43, the screw 41 is rotatably connected inside the movable block 4, the screw 41 is in threaded connection with the conversion block 5, the first tooth space 42 is formed on the surface of the movable block 4, the second tooth space 43 is formed on the surface of the conversion block 5, the first tooth space 42 is in sliding connection with the second tooth space 43, the conversion block 5 can be adjusted to move relative to the movable block 4 by rotating the screw 41, the conversion block 5 moves on the surface of the movable block 4, the first tooth space 42 and the second tooth space 43 slide relatively, and when the adjustment position is adjusted to a required adjustment position, the bolt on the pressing plate 3 is fastened again, so that the pressing plate 3 and the movable block 4 are fixedly mounted, and the pressing plate 3 presses the conversion block 5 at the same time, so that the adjustment can be completed.

Referring to fig. 1, the boring bar 6 and the conversion block 5 are assembled in a thermal fit manner, so as to reduce vibration of the boring bar 6 during operation.

Referring to fig. 1, the blade 7 is a TP-type PCD blade and is not easily damaged.

Referring to fig. 3, the two ends of the screw rod 41 are provided with hexagonal grooves 8 for easy adjustment.

The working principle is as follows: before the utility model works, the tool handle 1 and the boring head main body 2 are fixed by the bolt, the movable block 4 and the conversion block 5 are assembled by the lead screw 41, the tool can be used, the clamping mechanism on the machine tool clamps the tool handle 1, the tool can be used, when fine adjustment is needed, the nut on the pressing plate 3 is loosened, the lead screw 41 is rotated by the hexagon socket wrench, the conversion block 5 can be adjusted to move relative to the movable block 4, the conversion block 5 moves on the surface of the movable block 4, the first tooth groove 42 and the second tooth groove 43 slide relatively, when the adjustment is needed, the bolt on the pressing plate 3 is fastened again, the pressing plate 3 and the movable block 4 are fixedly installed, the pressing plate 3 simultaneously compresses the conversion block 5, the fine adjustment is completed, when the utility model is used, the boring cutter bar 6 and the conversion block are assembled by thermal fit, the boring cutter bar 6 is ensured not to vibrate when in precision processing such as back boring hole, the processed boring finish degree is good, first tooth's socket 42 forms spacingly to second tooth's socket 43 in the direction of rotation, and the tool bit can not rock when guaranteeing to rotate, improves the machining precision, and the practicality is strong.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a novel reverse boring cutter of fine setting, includes handle of a knife (1), boring head main part (2), movable block (4), conversion piece (5), boring cutter pole (6) and blade (7), its characterized in that: the boring head structure is characterized in that a boring head main body (2) is connected to the interior of the cutter handle (1) through a bolt, a movable block (4) is mounted in the boring head main body (2), a fine adjustment mechanism (9) is connected to the interior of the movable block (4) in a sliding mode, the fine adjustment mechanism (9) is connected with a conversion block (5) through threads, a boring cutter rod (6) is mounted in the conversion block (5) through the bolt in a fixed mode, and a blade (7) is mounted on the surface of the boring cutter rod (6).

2. The novel fine-adjustment reverse boring cutter as claimed in claim 1, wherein: the surface of the boring head main body (2) is fixedly connected with a pressing plate (3), and the pressing plate (3) and the movable block (4) are fixedly installed through bolts.

3. The novel fine-adjustment reverse boring cutter as claimed in claim 1, wherein: fine-tuning (9) are including lead screw (41), first tooth's socket (42) and second tooth's socket (43), the inside rotation of movable block (4) is connected with lead screw (41), lead screw (41) pass through threaded connection with conversion piece (5), first tooth's socket (42) have been seted up on movable block (4) surface, second tooth's socket (43) have been seted up on conversion piece (5) surface, first tooth's socket (42) and second tooth's socket (43) sliding connection.

4. The novel fine-adjustment reverse boring cutter as claimed in claim 1, wherein: the boring cutter bar (6) and the conversion block (5) are assembled in a hot fit mode.

5. The novel fine-adjustment reverse boring cutter as claimed in claim 1, wherein: the blade (7) is a TP-type PCD blade.

6. The novel fine-tuning reverse boring tool as set forth in claim 3, wherein: and inner hexagonal grooves (8) are formed at two ends of the screw rod (41).