CN213945151U

CN213945151U - Reamer for adjusting flow of cooling liquid

Info

Publication number: CN213945151U
Application number: CN202022634647.3U
Authority: CN
Inventors: 彭洪; 樊文娟; 张晓明
Original assignee: Hubei Renfeng Seiko Co ltd
Current assignee: Hubei Renfeng Seiko Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-08-13
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses an adjust reamer of coolant liquid flow, including handle of a knife, first cutting portion and second cutting portion, the bottom of handle of a knife and the top fixed connection of first cutting portion, the bottom of first cutting portion and the top fixed connection of second cutting portion, the movable chamber has been seted up to the inside of handle of a knife, sliding connection has two baffles, two between the top of activity intracavity wall and the bottom the equal fixedly connected with reset spring in one side that the baffle deviates from, the utility model relates to a machining technical field. This adjust reamer of coolant liquid flow, the rotational speed of reamer is faster, and the distance between two baffles is big more, and the coolant liquid flow of passing through is big more, and when the rotational speed of reamer reduced, the distance between the baffle reduced, and the coolant liquid flow of passing through reduces, has realized the dynamic adjustment of coolant liquid flow, has both guaranteed the cooling effect, has improved the life of reamer, has also effectively avoided the waste of coolant liquid.

Description

Reamer for adjusting flow of cooling liquid

Technical Field

The utility model relates to the technical field of machining, specifically be a reamer of regulation coolant liquid flow.

Background

The reamer is a rotary tool for cutting metal on the surface of a machined hole, the reamed hole can obtain accurate size and shape, the reamer is mainly used for improving the machining precision of the hole and reducing the roughness of the surface of the hole, the reamer is a tool for finish machining and semi-finish machining, and the machining allowance is generally small.

The reamer need cool off when using, avoids operating time overlength and the blade of the reamer that causes is overheated, and a pair cutter head water jet is established to present during operation, and splash is all around when spraying, causes the waste to the water resource easily, or establishes the reamer that the passageway made things convenient for the coolant liquid to the blade in the use, but the flow of coolant liquid is generally fixed, can't adjust the flow of coolant liquid in real time according to the in service behavior.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an adjust reamer of coolant liquid flow establishes the passageway in having solved and makes things convenient for the reamer of coolant liquid flow to the blade, but the flow of coolant liquid is generally fixed, can't carry out the problem of adjusting in real time according to the flow of in service behavior to the coolant liquid.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a reamer for adjusting the flow of cooling liquid comprises a cutter handle, a first cutting part and a second cutting part, wherein the bottom of the cutter handle is fixedly connected with the top of the first cutting part, the bottom of the first cutting part is fixedly connected with the top of the second cutting part, a movable cavity is arranged in the knife handle, two baffle plates are connected between the top and the bottom of the inner wall of the movable cavity in a sliding way, one sides of the two baffle plates, which are far away from each other, are fixedly connected with a return spring, one end of the return spring, which is far away from the baffle plate, is fixedly connected with the inner wall of the movable cavity, the top of the knife handle is provided with a liquid inlet hole, the liquid inlet hole penetrates through the tool handle and the movable cavity and extends to the interior of the movable cavity, a main flow channel is arranged in the tool handle, the bottom end of the main flow channel penetrates through the tool holder, the first cutting portion and the second cutting portion in sequence and extends into the second cutting portion.

Preferably, the mounting groove has all been seted up to the both sides at handle of a knife top, the pressure release hole has all been seted up to the both sides of handle of a knife, the pressure release hole runs through handle of a knife and activity chamber and extends to the inside in activity chamber.

Preferably, the surface of the first cutting part is fixedly connected with a plurality of side blades, a chip groove is formed between every two adjacent side blades, a plurality of first liquid drainage holes are formed in the chip groove, and one end of each first liquid drainage hole is communicated with the main flow channel.

Preferably, a blade is fixedly connected to the surface of the side edge.

Preferably, a plurality of cutting edges are fixedly connected to a surface of the second cutting portion.

Preferably, a plurality of second liquid drainage holes are formed in the second cutting portion, one end of each second liquid drainage hole is communicated with the main flow channel, and the other end of each second liquid drainage hole penetrates through the second cutting portion and extends to the outside of the second cutting portion.

Advantageous effects

The utility model provides a reamer of regulation coolant liquid flow. Compared with the prior art, the method has the following beneficial effects:

(1) the reamer for adjusting the flow of the cooling liquid is fixedly connected with the top of the first cutting part through the bottom of the cutter handle, the bottom of the first cutting part is fixedly connected with the top of the second cutting part, a movable cavity is arranged in the cutter handle, two baffles are slidably connected between the top of the inner wall of the movable cavity and the bottom of the inner wall of the movable cavity, one sides of the two baffles, which are far away from each other, are fixedly connected with a reset spring, one end of the reset spring, which is far away from the baffles, is fixedly connected with the inner wall of the movable cavity, a liquid inlet hole is arranged at the top of the cutter handle, the liquid inlet hole penetrates through the cutter handle and the movable cavity and extends into the movable cavity, a main flow channel is arranged in the cutter handle, the inlet of the main flow channel is communicated with the bottom of the movable cavity, the bottom end of the main flow channel sequentially penetrates through the cutter handle, the first cutting part and the second cutting part and extends to the inside of the second cutting part, the rotating speed of the reamer is faster, the distance between the two baffles is larger, the bigger the coolant flow that passes through, when the rotational speed of reamer reduced, two baffles moved in opposite directions under reset spring's effect, and the distance between the baffle reduces, and the coolant flow that passes through reduces, has realized the dynamic adjustment of coolant flow, has both guaranteed the cooling effect, has improved the life of reamer, has also effectively avoided the waste of coolant liquid.

(2) This adjust reamer of coolant liquid flow, the mounting groove has all been seted up through the both sides at handle of a knife top, make things convenient for the installation and the fixing of reamer, prevent that the reamer during operation from taking place the potential safety hazard that skids and produce, the pressure release hole has all been seted up to the both sides of handle of a knife, the pressure release hole runs through handle of a knife and activity chamber and extends to the inside in activity chamber, prevent to get into the slip that the coolant liquid influences baffle 5 between activity chamber 4 and the baffle 5, the fixed surface of first cutting portion is connected with a plurality of side blades, the chip groove has been seted up between the adjacent side blade, a plurality of first drain holes have been seted up to the inside of chip groove, the one end in first drain hole is linked together with the mainstream channel, the cooling effect is better, can effectively improve the life of reamer.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

FIG. 2 is a sectional view of the knife handle of the present invention;

fig. 3 is a cross-sectional view of the first cutting portion of the present invention.

In the figure: the cutting tool comprises a tool handle 1, a first cutting part 2, a second cutting part 3, a movable cavity 4, a baffle 5, a return spring 6, a liquid inlet hole 7, a main flow channel 8, a mounting groove 9, a pressure relief hole 10, a side edge 11, a chip groove 12, a first liquid discharge hole 13, a blade 14, a cutting edge 15 and a second liquid discharge hole 16.

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. 1-3, the present invention provides a technical solution: a reamer for adjusting the flow of cooling liquid comprises a cutter handle 1, a first cutting part 2 and a second cutting part 3, wherein stepped holes are machined by connecting the first cutting part 2 with the second cutting part 3, a single hole can be machined by independently adopting the second cutting part 3, a plurality of side blades 11 are fixedly connected to the surface of the first cutting part 2, chip discharge grooves 12 are formed between the adjacent side blades 11, metal scraps conveniently cut by the chip discharge grooves 12 are discharged, a plurality of first liquid discharge holes 13 are formed in the chip discharge grooves 12, the first liquid discharge holes 13 and the chip discharge grooves 12 are arranged in a one-to-one correspondence manner, one end of each first liquid discharge hole 13 is communicated with a main flow channel 8, a cutter blade 14 is fixedly connected to the surface of each side blade 11, a plurality of cutting edges 15 are fixedly connected to the surface of the second cutting part 3, a plurality of second liquid discharge holes 16 are formed in the second cutting part 3, and the second liquid discharge holes 16 are arranged in correspondence to the cutting edges 15, the cooling effect is better, one end of a second liquid discharge hole 16 is communicated with a main flow channel 8, the other end of the second liquid discharge hole 16 penetrates through the second cutting part 3 and extends to the outside of the second cutting part 3, mounting grooves 9 are formed in two sides of the top of the tool holder 1, so that the reamer can be conveniently mounted and fixed, potential safety hazards caused by slipping during the working process of the reamer are prevented, pressure relief holes 10 are formed in two sides of the tool holder 1, the pressure relief holes 10 penetrate through the tool holder 1 and the movable cavity 4 and extend to the inside of the movable cavity 4, the phenomenon that the baffle 5 is affected by entering cooling liquid between the movable cavity 4 and the baffle 5 is prevented, the bottom of the tool holder 1 is fixedly connected with the top of the first cutting part 2, the bottom of the first cutting part 2 is fixedly connected with the top of the second cutting part 3, the movable cavity 4 is formed in the tool holder 1, two baffles 5 are slidably connected between the top and the bottom of the inner wall of the movable cavity 4, and one side, which the two baffles 5 are deviated from each other is fixedly connected with a reset spring 6, reset spring 6 keeps away from the one end of baffle 5 and the inner wall fixed connection of activity chamber 4, feed liquor hole 7 has been seted up at handle of a knife 1's top, feed liquor hole 7 runs through handle of a knife 1 and activity chamber 4 and extends to activity chamber 4 inside, mainstream passageway 8 has been seted up to handle of a knife 1's inside, mainstream passageway 8's import and activity chamber 4's bottom are linked together, the bottom of mainstream passageway 8 runs through handle of a knife 1 in proper order, first cutting portion 2 and second cutting portion 3 and extend to the inside of second cutting portion 3.

When the reamer is used, the cutter handle 1 of the reamer is clamped with a clamp through the mounting groove 9, the cooling liquid conveying pipe is communicated with the liquid inlet hole 7, the reamer rotates at a high speed under the driving of an external motor during working, the blade 14 and the cutting edge 15 cut off thin-layer metal on the surface of a processed hole, finish machining is carried out on the hole, meanwhile, the baffle plates 5 are driven to rotate to generate centrifugal force, the two baffle plates 5 slide outwards in the movable cavity 4 under the action of the centrifugal force, a certain gap is formed between the two baffle plates 5, cooling liquid can enter the main flow channel 8 through the gap between the two baffle plates 5 and enter the first cutting part 2 through the first liquid discharge hole 13, the side edge 11 and the blade 14 are cooled, the cooling liquid enters the second cutting part 3 through the second liquid discharge hole 16 to cool the cutting edge 15, the rotating speed of the reamer is faster, the distance between the two baffle plates 5 is larger, the flow rate of the passing cooling liquid is larger, when the rotating speed of the reamer is reduced, the two baffle plates 5 move oppositely under the action of the reset spring 6, the distance between the baffle plates 5 is reduced, the flow of the passing cooling liquid is reduced, the dynamic adjustment of the flow of the cooling liquid is realized, the cooling effect is ensured, and the waste of the cooling liquid is effectively avoided.

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 an adjust reamer of coolant liquid flow, includes handle of a knife (1), first cutting portion (2) and second cutting portion (3), the top fixed connection of the bottom of handle of a knife (1) and first cutting portion (2), the top fixed connection of the bottom of first cutting portion (2) and second cutting portion (3), its characterized in that: a movable cavity (4) is arranged in the knife handle (1), two baffles (5) are connected between the top and the bottom of the inner wall of the movable cavity (4) in a sliding manner, a return spring (6) is fixedly connected on one side of each of the two baffles (5) which is far away from each other, one end of the return spring (6) far away from the baffle (5) is fixedly connected with the inner wall of the movable cavity (4), the top of the knife handle (1) is provided with a liquid inlet hole (7), the liquid inlet hole (7) penetrates through the knife handle (1) and the movable cavity (4) and extends to the inner part of the movable cavity (4), a main flow channel (8) is arranged in the knife handle (1), the inlet of the main flow channel (8) is communicated with the bottom of the movable cavity (4), the bottom end of the main flow channel (8) penetrates through the tool holder (1), the first cutting part (2) and the second cutting part (3) in sequence and extends into the second cutting part (3).

2. The reamer of claim 1 wherein: mounting grooves (9) have all been seted up to the both sides at handle of a knife (1) top, pressure release hole (10) have all been seted up to the both sides of handle of a knife (1), pressure release hole (10) run through handle of a knife (1) and activity chamber (4) and extend to the inside in activity chamber (4).

3. The reamer of claim 1 wherein: the surface of the first cutting part (2) is fixedly connected with a plurality of side blades (11), a chip groove (12) is formed between every two adjacent side blades (11), a plurality of first liquid discharging holes (13) are formed in the chip groove (12), and one end of each first liquid discharging hole (13) is communicated with the main flow channel (8).

4. The reamer of claim 3 wherein: the surface of the side edge (11) is fixedly connected with a blade (14).

5. The reamer of claim 1 wherein: the surface of the second cutting part (3) is fixedly connected with a plurality of cutting edges (15).

6. The reamer of claim 5 wherein: a plurality of second liquid discharging holes (16) are formed in the second cutting portion (3), one end of each second liquid discharging hole (16) is communicated with the main flow channel (8), and the other end of each second liquid discharging hole (16) penetrates through the second cutting portion (3) and extends to the outside of the second cutting portion (3).