CN207770927U

CN207770927U - Cold reaming-forming tool in a kind of twolip

Info

Publication number: CN207770927U
Application number: CN201820092942.0U
Authority: CN
Inventors: 谢志强
Original assignee: Changzhou Good Tool Co Ltd
Current assignee: Changzhou Good Tool Co Ltd
Priority date: 2018-01-19
Filing date: 2018-01-19
Publication date: 2018-08-28
Anticipated expiration: 2028-01-19

Abstract

The utility model discloses cold reaming-forming tools in a kind of twolip, including knife bar, handle of a knife, reaming sword, chip space, step, main sword, secondary sword, interior cold hole, fastening thread and mounting pin.The utility model has the beneficial effects that：The periphery of kiln body and heat conducting pipe is equipped with thermal insulation layer, it prevents from worker from the heart not being descended to encounter to damage, exhausting end of the exhaust fan in kiln body is equipped with filter layer, it is blocked by particle sundries when avoiding using Air guide nozzle transmission waste heat, the bottom of baffle and kiln body is attached by hinge, make baffle that there is dynamic role by hinge, kiln body is set to form confined space with conveyer chain, fume afterheat in kiln body is respectively transmitted to the discharge end on the right side of feed end and conveyer chain on the left of conveyer chain by heat conducting pipe by Air guide nozzle, the pre-heat treatment is carried out to the neodymium iron boron waste material of feed end, it can prevent the neodymium iron boron waste material cooling after discharge end roasting is too fast internal structure is caused to destroy again.

Description

Cold reaming-forming tool in a kind of twolip

Technical field

The utility model is related to a kind of forming cutter, cold reaming-forming tool in specially a kind of twolip belongs to mechanical processing device Has technical field.

Background technology

The hole machined process of general workpiece usually has several steps, needs to ream on workpiece, ream small for one Hole, the hole can not adapt to workpiece matching requirements, need further to carry out on the basis of the aperture expanding to the aperture needed, expansion Hole can also be hole is increased again on the basis of drilling, the precision of certain reaming is also intended to than the precision of drilling It is high that a little but the precision relative to fraising is to want lower again, is bored, and is expanded, hinge, these three process as all connect together, But the general drill bit of the reaming of special material, cornish bit and reamer are applied in combination the requirement that cannot be satisfied user, with It is more and more flourishing science and technology, the use of miniature parts is more and more, and finished surface smoothness and required precision are higher, existing When the shortcomings that cornish bit of technology, is commonly installed a cutting tip, this cornish bit is rotary cutting, turning moment is uneven Weighing apparatus, easy tos produce vibration cutting and offset, and machining accuracy is low, or even produces defect ware, not only wastes workpiece raw material, but also Processing efficiency is low, cornish bit it is oversized, when processing miniature parts, be easy to cause processing after surface of deep hole smoothness not Height fails to meet production requirements, and current cornish bit end is easy tipping and turned.

Invention content

The purpose of this utility model is that provides cold reaming-forming tool in a kind of twolip to solve the above-mentioned problems.

The utility model is achieved through the following technical solutions above-mentioned purpose：Cold reaming-forming tool in a kind of twolip, including Knife bar, handle of a knife, reaming sword, chip space, step, main sword, secondary sword, interior cold hole, fastening thread and mounting pin；The knife bar and handle of a knife By being welded together, the knife bar is located at the front end of handle of a knife, and the reaming sword is placed in the junction of knife bar and handle of a knife, The reaming sword is located at the outer ring of knife bar, and the chip space is obliquely distributed on knife bar, the front end setting of the chip space Between adjacent step, the tail end of the chip space is located at knife bar tail portion, and the step is arranged on knife bar front end, the step Equipped with main sword and secondary sword, the main sword is located at the inside of step, and the pair sword is located at the outside of step, and the interior cold hole is opened in Inside knife bar, the interior cold hole is located at the center of knife bar, and the fastening thread is arranged on handle of a knife, and the fastening thread is located at The middle part of handle of a knife, the mounting pin are connected to the tail portion of handle of a knife.

Preferably, in order to improve reaming precision, the reaming sword is set as arc-shaped.

Preferably, for the ease of the discharge of cutting bits, the inclined direction of the chip space and the rotation of the reaming-forming tool Direction is opposite.

Preferably, in order to avoid leading to tipping and turned after prolonged use, the main sword and secondary sword are Buddha's warrior attendant Stone blade.

Preferably, in order to avoid high temperature damages cutter and workpiece, the interior cold hole is to the reaming-forming tool work As when radiate.

Preferably, in order to enable mounting pin to assign into the recess hole of tool apron, the diameter of the mounting pin is less than handle of a knife Diameter.

The utility model has the beneficial effects that：Cold reaming-forming tool reasonable design, reaming sword are set as arc-shaped in the twolip, High with reaming precision, the advantages of one-pass molding, while the surface in hole is relatively smooth, the inclined direction of chip space and the reaming at For the rotation direction of type knife on the contrary, convenient for the discharge that cutting is considered to be worth doing, main sword and secondary sword are diamond blade, have very strong hardness, Avoid causing after prolonged use tipping and turned, interior cold hole is radiated when working the reaming-forming tool, avoids height Temperature damages cutter and workpiece, improves cutting-tool's used life, and the diameter of mounting pin is less than the diameter of handle of a knife, installation Pin can assign into the recess hole of tool apron, be convenient for installation and fix.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model structural ledge schematic diagram；

In figure：1, knife bar, 2, handle of a knife, 3, reaming sword, 4, chip space, 5, step, 6, main sword, 7, secondary sword, 8, interior cold hole, 9, Fastening thread and 10, mounting pin.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Please refer to Fig.1 ~ 2, cold reaming-forming tool in a kind of twolip, including knife bar 1, handle of a knife 2, reaming sword 3, chip space 4, platform Rank 5, main sword 6, secondary sword 7, interior cold hole 8, fastening thread 9 and mounting pin 10；The knife bar 1 is with handle of a knife 2 by being welded to connect one It rises, the knife bar 1 is located at the front end of handle of a knife 2, and the reaming sword 3 is placed in the junction of knife bar 1 and handle of a knife 2, the reaming sword 3 Positioned at the outer ring of knife bar 1, the chip space 4 is obliquely distributed on knife bar 1, and the front end of the chip space 4 is arranged adjacent Between step 5, the tail end of the chip space 4 is located at 1 tail portion of knife bar, and the step 5 is arranged on 1 front end of knife bar, the step 5 Equipped with main sword 6 and secondary sword 7, the main sword 6 is located at the inside of step 5, and the pair sword 7 is located at the outside of step 5, the interior cold hole 8 are opened in inside knife bar 1, and the interior cold hole 8 is located at the center of knife bar 1, and the fastening thread 9 is arranged on handle of a knife 2, described Fastening thread 9 is located at the middle part of handle of a knife 2, and the mounting pin 10 is connected to the tail portion of handle of a knife 2, and the reaming sword 3 is set as arc-shaped, High with reaming precision, the advantages of one-pass molding, while the surface in hole is relatively smooth, the inclined direction of the chip space 4 with should For the rotation direction of reaming-forming tool on the contrary, convenient for the discharge that cutting is considered to be worth doing, the main sword 6 and secondary sword 7 are diamond blade, are had Very strong hardness avoids causing after prolonged use tipping and turned, when the interior cold hole 8 works to the reaming-forming tool Radiate, high temperature avoided to damage cutter and workpiece, improve cutting-tool's used life, the mounting pin 10 it is straight Diameter is less than the diameter of handle of a knife 2, and mounting pin 10 can assign into the recess hole of tool apron, is convenient for installation and fixes.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation Involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims

1. cold reaming-forming tool in a kind of twolip, it is characterised in that：Including knife bar（1）, handle of a knife（2）, reaming sword（3）, chip space （4）, step（5）, main sword（6）, secondary sword（7）, interior cold hole（8）, fastening thread（9）And mounting pin（10）；The knife bar（1）With knife Handle（2）By being welded together, the knife bar（1）Positioned at handle of a knife（2）Front end, the reaming sword（3）It is placed in knife bar （1）With handle of a knife（2）Junction, the reaming sword（3）Positioned at knife bar（1）Outer ring, the chip space（4）Oblique distribution In knife bar（1）On, the chip space（4）Front end be arranged in adjacent step（5）Between, the chip space（4）Tail end be located at Knife bar（1）Tail portion, the step（5）It is arranged in knife bar（1）Front end, the step（5）It is equipped with main sword（6）With secondary sword（7）, institute State main sword（6）Positioned at step（5）Inside, it is described pair sword（7）Positioned at step（5）Outside, the interior cold hole（8）It is opened in knife Bar（1）Inside, the interior cold hole（8）Positioned at knife bar（1）Center at, the fastening thread（9）It is arranged in handle of a knife（2）On, institute State fastening thread（9）Positioned at handle of a knife（2）Middle part, the mounting pin（10）It is connected to handle of a knife（2）Tail portion.

2. cold reaming-forming tool in a kind of twolip according to claim 1, it is characterised in that：The reaming sword（3）It is set as It is arc-shaped.

3. cold reaming-forming tool in a kind of twolip according to claim 1, it is characterised in that：The chip space（4）Incline Tilted direction is opposite with the rotation direction of the reaming-forming tool.

4. cold reaming-forming tool in a kind of twolip according to claim 1, it is characterised in that：The main sword（6）With secondary sword （7）It is diamond blade.

5. cold reaming-forming tool in a kind of twolip according to claim 1, it is characterised in that：The interior cold hole（8）To this Reaming-forming tool radiates when working.

6. cold reaming-forming tool in a kind of twolip according to claim 1, it is characterised in that：The mounting pin（10）It is straight Diameter is less than handle of a knife（2）Diameter.