CN213410620U - Reamer mechanism convenient to change reamer piece - Google Patents

Abstract

The utility model discloses a reamer mechanism convenient to change reamer piece, including reamer and blade holder, rotate on the blade holder and install the change, the inner chamber has been seted up to blade holder one end, it has three clamp splice to be annular array movable mounting in the inner chamber, the one end of reamer injects in the inner chamber, and is three the one end of reamer is cliied to the clamp splice, the one end of reamer is fixed with the connection pad, connection pad one side and blade holder one end contact, it has seted up three through-hole to be annular array on the connection pad, and blade holder one end is annular array and has seted up three screw, three through-hole and three screw one-to-one, and the screw passes in the through-hole screws into the screw, the connection pad passes through screw and. The utility model has the advantages of the fixed while of centre gripping increases the screw fixation, strengthens the reamer fixed.

Description

Reamer mechanism convenient to change reamer piece

Technical Field

The utility model relates to a reamer technical field specifically is a reamer mechanism convenient to change reamer piece.

Background

The reamer is a rotary tool having one or more teeth for cutting a thin layer of metal on the surface of a machined hole, and the reamer is a rotary finishing tool having a straight edge or a spiral edge for reaming or repairing the hole. The processing precision requirement of the reamer is usually higher than that of a drill bit due to the small cutting amount, and the reamer can be operated manually or mounted on a drilling machine for working.

The most common connection mode between the reamer and the reamer seat is clamping fixation, long-time operation can lead to the clamping position to become flexible, and the reamer centre gripping is unstable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reamer mechanism convenient to change reamer piece possesses the fixed while of centre gripping and increases the screw fixation, strengthens the fixed advantage of reamer, has solved the fixed long-time operation of centre gripping and can lead to the centre gripping department not hard up, the unstable problem of reamer centre gripping.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a reamer mechanism convenient to change reamer piece, includes reamer and blade holder, rotate on the blade holder and install the swivel, the inner chamber has been seted up to blade holder one end, be annular array movable mounting in the inner chamber and have three clamp splice, the one end of reamer is injected in the inner chamber, and is three the one end of reamer is cliied to the clamp splice, the one end of reamer is fixed with the connection pad, connection pad one side and blade holder one end contact, the connection pad passes through screw and blade holder one end fixed connection.

Preferably, a connector is fixed in the middle of the other end of the tool apron.

Preferably, the clamping block is in transmission connection with the inner teeth of the rotating ring through the connecting teeth inside the cutter holder.

Preferably, the connecting disc is provided with three through holes in an annular array, one end of the tool apron is provided with three screw holes in an annular array, the three through holes correspond to the three screw holes one to one, and screws penetrate through the through holes and are screwed into the screw holes.

Preferably, the middle of the connecting disc is provided with a hole matched with one end of the reamer.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a set up connection pad, screw and through-hole, increased the screw fixation when having reached that the centre gripping is fixed, strengthened the fixed effect of reamer, the utility model discloses be provided with connection pad, screw and through-hole, reamer one end is fixed with the connection pad, and in the one end of reamer passed the connection pad and stretched into the cavity of blade holder one end, the connection pad contacted with blade holder one end, rotated the connection pad, made the through-hole correspond with the screw, passed the through-hole with the screw and twisted into in the screw, the connection pad was fixed with the blade holder. And then the rotating ring is rotated to drive the connecting teeth in the tool apron to rotate, so that the three clamping blocks clamp one end of the reamer, and the three clamping blocks clamp and fix one end of the reamer until the rotating ring rotates and does not move. The clamping is fixed, meanwhile, the screw fixation is added, and the fixation of the reamer is enhanced through the double-fixing structure. When the reamer is disassembled, the rotating ring rotates reversely, one end of the reamer is loosened by the three clamping blocks, the reamer can be replaced by unscrewing the reamer, and the reamer is convenient to use.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

FIG. 3 is a schematic view of the left side view connection structure of the tool holder of the present invention;

fig. 4 is a schematic view of the left-side view connection structure of the reamer of the present invention.

In the figure: 1. a reamer; 2. a connecting disc; 3. a tool apron; 4. rotating the ring; 5. a connector; 6. a screw; 7. a clamping block; 8. an inner cavity; 9. a screw hole; 10. and a through hole.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides a reamer mechanism convenient to change reamer piece, includes reamer 1 and blade holder 3, rotates on the blade holder 3 and installs change 4, and inner chamber 8 has been seted up to 3 one end of blade holder, is annular array movable mounting in the inner chamber 8 and has three clamp splice 7, and clamp splice 7 is connected through the internal tooth transmission of 3 inside connection teeth of blade holder and change 4, and the centre of the 3 other ends of blade holder is fixed with connector 5, and connector 5 is connected to external drive device.

One end of the reamer 1 is inserted into the inner cavity 8, one end of the reamer 1 is fixed with the connecting disc 2, a hole matched with one end of the reamer 1 is formed in the middle of the connecting disc 2, and one end of the reamer 1 penetrates through the hole in the middle of the connecting disc 2. Connecting pad 2 one side and 3 one end contacts of blade holder, is the annular array on connecting pad 2 and has seted up three through- hole 10, and 3 one end of blade holder is the annular array and has seted up three screw 9, rotates connecting pad 2, makes through-hole 10 correspond with screw 9, and three through-hole 10 and three screw 9 one-to-one, screw 6 pass through-hole 10 screw into in the screw 9, and connecting pad 2 passes through screw 6 and 3 one end fixed connection of blade holder. And then the rotating ring 4 is rotated, the rotating ring 4 drives the connecting teeth in the tool apron 3 to rotate, so that the three clamping blocks 7 clamp one end of the reamer 1 until the rotating ring 4 does not rotate, and the three clamping blocks 7 clamp one end of the reamer 1. The reamer 1 is fixed by the aid of the screws 6 in clamping and fixing processes, and the reamer 1 is fixed by the aid of the double fixing structure. When the reamer is disassembled, the rotating ring 4 is rotated reversely, one end of the reamer 1 is loosened by the three clamping blocks 7, the screw 6 is loosened, and the reamer 1 can be replaced, so that the reamer is convenient to use.

The working principle is as follows: the connector 5 is connected to an external driving device, one end of the reamer 1 is inserted into the inner cavity 8, the connecting disc 2 is rotated to enable the through hole 10 to correspond to the screw hole 9, the screw 6 penetrates through the through hole 10 and is screwed into the screw hole 9, and the connecting disc 2 is fixedly connected with one end of the cutter holder 3 through the screw 6. And then the rotating ring 4 is rotated, the rotating ring 4 drives the connecting teeth in the tool apron 3 to rotate, so that the three clamping blocks 7 clamp one end of the reamer 1 until the rotating ring 4 does not rotate, and the three clamping blocks 7 clamp one end of the reamer 1. The external driving device drives the reamer 1 to rotate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a reamer mechanism convenient to change reamer piece, includes reamer (1) and blade holder (3), its characterized in that: the rotary ring (4) is installed in the last rotation of blade holder (3), inner chamber (8) have been seted up to blade holder (3) one end, be annular array movable mounting in inner chamber (8) three clamp splice (7), the one end of reamer (1) injects in inner chamber (8), and is three the one end of reamer (1) is cliied in clamp splice (7), the one end of reamer (1) is fixed with connection pad (2), connection pad (2) one side and blade holder (3) one end contact, connection pad (2) are through screw (6) and blade holder (3) one end fixed connection.

2. The reamer mechanism of claim 1, wherein the reamer head is adapted to facilitate replacement of the reamer head by: and a connector (5) is fixed in the middle of the other end of the tool apron (3).

3. The reamer mechanism of claim 1, wherein the reamer head is adapted to facilitate replacement of the reamer head by: the clamping block (7) is in transmission connection with the inner teeth of the rotating ring (4) through the connecting teeth inside the tool apron (3).

4. The reamer mechanism of claim 1, wherein the reamer head is adapted to facilitate replacement of the reamer head by: three through holes (10) are formed in the connecting disc (2) in an annular array mode, three screw holes (9) are formed in one end of the tool apron (3) in an annular array mode, the three through holes (10) correspond to the three screw holes (9) in a one-to-one mode, and the screws (6) penetrate through the through holes (10) and are screwed into the screw holes (9).

5. The reamer mechanism of claim 1, wherein the reamer head is adapted to facilitate replacement of the reamer head by: and a hole matched with one end of the reamer (1) is formed in the middle of the connecting disc (2).

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