CN209632144U - A kind of miniature bite - Google Patents

A kind of miniature bite Download PDF

Info

Publication number
CN209632144U
CN209632144U CN201821680836.0U CN201821680836U CN209632144U CN 209632144 U CN209632144 U CN 209632144U CN 201821680836 U CN201821680836 U CN 201821680836U CN 209632144 U CN209632144 U CN 209632144U
Authority
CN
China
Prior art keywords
bite
fillet
miniature
polishing
knife
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821680836.0U
Other languages
Chinese (zh)
Inventor
伍凤
姚杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Mechanical and Electrical Polytechnic
Original Assignee
Hunan Mechanical and Electrical Polytechnic
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Mechanical and Electrical Polytechnic filed Critical Hunan Mechanical and Electrical Polytechnic
Priority to CN201821680836.0U priority Critical patent/CN209632144U/en
Application granted granted Critical
Publication of CN209632144U publication Critical patent/CN209632144U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Drilling Tools (AREA)

Abstract

A kind of miniature bite belongs to tool part and its processing technology field.Miniature positioning pin is rigidly strong, and difficulty of processing is big, and when cutting is easily damaged bite, so that bite is broken or worn out severity, to influence the machining accuracy and production efficiency of miniature positioning pin.Bite polishing point of a knife is polished into fillet R in the utility model, fillet R is excessive, machining accuracy is not achieved, while be easy to causeing bite crushing knife, and fillet R is too small, is easy to cause to wear to blade, makes the bite processed that required precision be not achieved;Point of a knife is polished into the fillet R of 0.11-0.19mm by milling tools, the accuracy of processing bite is effectively raised in process, abrasion and the production cost for reducing bite simultaneously, effectively raise production efficiency, are conducive to be produced in batches in process.

Description

A kind of miniature bite
Technical field
The utility model relates to a kind of tool part, especially a kind of miniature bite.
Background technique
Now, engineering goods become more diverse, and develop towards high-precision, low surface roughness direction, it is desirable that processing is slim Planar part and miniature parts.Using extensively in machinery industry, military project, space flight, automobile and precision machinery etc. have micro- part Type positioning pin class part.For positioning pin class process, the processing of especially miniature positioning pin, be mechanical processing industry problem it One.Since miniature positioning pin is rigidly strong, difficulty of processing is big, and when cutting is easily damaged bite, breaks or wears out bite, from And influence the machining accuracy and production efficiency of miniature positioning pin.
Utility model content
The purpose of this utility model is to overcome the above-mentioned deficiency of the prior art, and provide a kind of reduction abrasion, improve processing The miniature bite of precision.
The technical solution of the utility model is: a kind of miniature bite, including four rhombogen top and bottom, cone installation Hole, a plurality of chip space, point of a knife and four sides, the cone mounting hole are set to the center of bite, four rhombogen upper surfaces Area is greater than lower surface area, and the side is 30-60 ° horizontal by 5-7 ° of angle, the apex angle of the bite, the knife Point is equipped with the fillet R of 0.11-0.19mm.
Preferably, the point of a knife fillet R is 0.15mm.
Further, bite (4) upper surface (2) is less than lower surface area, and side (6) relative level is 1-7 ° Inclined-plane;The depth of chip space (3) is 0.1-0.4mm, length 3-8mm, width 0.5-2mm.
Further, the water chestnut side length of bite (4) upper surface (2) is 5-10mm, and bite (4) is with a thickness of 2-8mm.
Further, the mounting hole bore on the upper surface is greater than the mounting hole bore on lower surface, and the chip space is flat Row is set to the edge of four rhombogen upper surfaces.
A kind of processing technology of miniature bite, comprising the following steps:
Computer controlled grinding machine tool carries out the rounded R that polishes, apex angle and polishing using apex angle of the milling tools to cutter The angle of tool controls between 10-90 °, is polished 1-8 times, the good cutter fillet R of polishing grinding using 0.2-8 kilograms of power, Using mechanical polishing or chemical polishing etc.;
Or directly by manufactured cutter be used directly to polishing apex angle fillet R, using above method vertical angles into Row grinding and buffing;Or it is polished with sander, then polished with polishing paper;Or it directlys adopt polishing paper and polishes Polishing.
Further, the dynamics that polishing fillet R is used is polished 1-5 times for 1-5 kilograms.
Further, the dynamics that uses of sander polishing fillet R is for 2 kilograms, polishing 1 time, when polishing using apex angle as axis with beat Grinding machine in 10-90 ° of angle range rotation, then with polishing paper polishing fillet R, 1 kilogram of dynamics, polishing number 2-3 times.
Further, it being polished using sand paper, the use of dynamics is 5 kilograms, vertical polishing 2 times, polishing dynamics is 2 kilograms, Polishing number is 3 times, while being finely adjusted to the angle of fillet R.
The utility model has a characteristic that compared with prior art
1, the point of a knife of bite is polished into fillet R, fillet R is excessive, machining accuracy is not achieved, while be easy to causeing cutting Knife crushing knife, fillet R is too small, is easy to cause to wear to blade, makes the bite processed that required precision be not achieved;Point of a knife is passed through Milling tools is polished into the fillet R of 0.15mm, effectively raises the accuracy of processing bite in process, drops simultaneously The abrasion of low bite and production cost, effectively raise production efficiency.
2, the utility model processes miniature bite, polishes bite, using the 5 kilograms of dynamics polishings of polishing paper 1 time, 2 kilograms of dynamics polish 3 times, can be Continuous maching 200;It is polished 2 times using 5 kilograms of paper of polishing, 2 kilograms of dynamics polish 3 times, It can be Continuous maching 3000;It is polished 3 times using 5 kilograms of paper of polishing, 2 kilograms of dynamics polish 3 times, can be Continuous maching 1000;Have The damage of effect reduced to bite, improves the efficiency and machining accuracy of production and processing, while being conducive in process It is produced in batches.
3, the utility model integrated artistic is good, can be applied to general category lathe, extends the range of work of plain edition lathe, Working ability is promoted, the idea of high-end devices need to be used by changing high-precision components.
4, the utility model can make middle-size and small-size mechanic factory workers that can also process the miniature positioning pin of cylinder or rivet, effectively Ground reduces the processing cost of unconventional part.
It is further described below in conjunction with detailed construction of the drawings and specific embodiments to the utility model.
Detailed description of the invention
Fig. 1-is the perspective view of bite in embodiment 2;
Fig. 2-is the perspective view in Fig. 1 after the polishing of bite point of a knife;
Fig. 3-is the three-dimensional structure diagram of positioning pin in embodiment 3;
1-point of a knife, 2-upper surfaces, 3-chip spaces, 4-bites, 5-apex angles, 6-sides, 7 fillet R, 8-blind holes, 9-chamferings, the 10-the second cylindrical body, 11-positioning columns, the 12-the first cylindrical body.
Specific embodiment
Embodiment 1
A kind of miniature bite 4 processing technology, comprising the following steps:
Computer controlled grinding machine tool carries out the rounded R7 that polishes using apex angle of the milling tools to cutter, apex angle and beats The angle of grinder tool controls between 10-90 °, is polished 1-8 times using 0.2-8 kilograms of power, the good cutter fillet of polishing grinding R7, using mechanical polishing or chemical polishing etc., the present embodiment is using mechanical polishing;
Or directly by manufactured cutter be used directly to polishing apex angle fillet R7, using above method vertical angles into Row grinding and buffing;Or it is polished with sander, then polished with polishing paper;Or it directlys adopt polishing paper and polishes Polishing.
The dynamics that polishing fillet R7 is used is polished 1-5 times for 1-5 kilograms.
The dynamics that uses of sander polishing fillet R7 is 1 kilogram, polishing 2 times, is in by axis and sander of apex angle when polishing The range rotation at 10-90 ° of angle, then with polishing paper polishing fillet R7,1 kilogram of dynamics, polishing number 2-3 times.
It is polished 1 time using 1 kilogram of dynamics of sander, then is polished 3 times with polishing 1 kilogram of dynamics of paper, it can Continuous maching 400 Part;It is polished 2 times using 1 kilogram of sander, then is polished 3 times with polishing 1 kilogram of dynamics of paper, it can be Continuous maching 2800;Using beating 1 kilogram of grinding machine is polished 3 times, then is polished 3 times with 1 kilogram of dynamics of polishing paper, can be Continuous maching 1200, sander for 600 mesh with On it is proper, polish 800 mesh of paper more than it is proper.
It is polished using sand paper, the use of dynamics is 5 kilograms, vertical polishing 2 times, polishing dynamics is 2 kilograms, polishes number It is 3 times, while the angle of fillet R7 is finely adjusted.
It is polished 1 time using polishing 5 kilograms of dynamics of paper, 2 kilograms of dynamics polish 3 times, can be Continuous maching 200;Using polishing 5 kilograms of paper are polished 2 times, and 2 kilograms of dynamics polish 3 times, can be Continuous maching 3000;It is polished 3 times, 2 kilograms using 5 kilograms of paper of polishing Dynamics polishes 3 times, can be Continuous maching 1000, and polishing paper is the proper of 800 mesh or more.
Embodiment 2
As depicted in figs. 1 and 2, a kind of miniature bite 4 processed using above-mentioned processing technology, including on four rhombogens Below, conical mounting hole, a plurality of chip space 3, point of a knife 1 and four sides 6, conical mounting hole are set to the center of bite 4, Four rhombogen upper surfaces, 2 area is greater than lower surface area, and the mounting hole bore on upper surface 2 is greater than the mounting hole on lower surface Bore, chip space 3 are set to the edge of four rhombogen upper surfaces 2 in parallel, and side 6 is horizontal by 5-7 ° of angle, it is preferred that angle is 5°;The apex angle 5 of bite 4 is 30-60 °, and preferred apex angle 5 is 30 °;Point of a knife 1 is equipped with the fillet R7 of 0.11-0.19mm, preferably , 1 fillet R7 of point of a knife is 0.15mm.
Bite (4) upper surface (2) is less than lower surface area, the inclined-plane that side (6) relative level is 1-7 °;Chip removal The depth of slot (3) is 0.1-0.4mm, length 3-8mm, width 0.5-2mm.The water chestnut side length of bite (4) upper surface (2) is 5-10mm, bite (4) is with a thickness of 2-8mm.
Polishing fillet R7 is carried out to 4 point of a knife 1 of bite, reaches continuous production effect while effectively raising bite 4 Precision.
Embodiment 3
Using a kind of positioning pin or rivet of above-mentioned miniature bite processing.
As described in Figure 3, positioning pin includes positioning column 11 and positioned at first cylindrical body 11 at its both ends and the second cylindrical body 10, the second cylindrical body 10 is interior equipped with blind hole 8, and 8 mouthfuls of blind hole are equipped with inner chamfer 9.
The diameter of positioning column 11 is 6-10mm, length 4-8mm;The diameter of first cylindrical body 12 is 0.1-1mm, and length is 1-4mm;The outer diameter of second cylindrical body 10 is 2-6mm, length 3-6mm;One end of second cylindrical body 10 is by being fixed on bracket On centre drill carry out vehicle blind hole 8, the diameter of blind hole 8 is 2-4mm, depth 2-6mm, and the inner chamfer 8 that 8 mouthfuls of blind hole is 30- 45°。
Tool part uses raw material in the blank material of cylindrical body, diameter 10-15mm, a length of 15-20mm of cylinder, The driving device driving tool part of lathe rotates and turn over, while slowly sending to carrying out cutting or vehicle at bite 4 blade Blind hole 8, processes tool part.Revolving speed when processing are as follows: 200~350 revs/min, the depth of cut: 0.02~0.06mm/ Turn, the too fast or too slow decline for being easy to make bite 4 fracture and production efficiency of revolving speed, the depth of cut is excessive or too small be easy to cause is cut The abrasion and machining accuracy of sharpener 4, while the efficiency of processing is also influenced, 12 diameter of the first cylindrical body is 0.4mm, error model 0 is enclosed to 0.01mm;Length is 3mm, error range 0 to+0.2mm.
Vehicle blind hole 8, while 8 mouthfuls of formation inner chamfers 9 of blind hole are carried out to one end of the second cylindrical body 10, blind hole 8 is located at most Post-processing avoids influencing precision when processing the second cylindrical body 10 because of the mitigation of tool part weight, is conducive to raising pair The precision of tool part, 10 diameter of the second cylindrical body are 5mm, error range 0 to -0.2mm;Length is 6mm, error range 0 to+ 0.2mm。
Blind hole 8 is equipped in second cylindrical body 10,8 mouthfuls of blind hole are equipped with inner chamfer 9, and 8 diameter of blind hole is 3mm, error range 0 To -0.2mm;Depth is 5mm, and error range is 0 to+0.2mm, and the inner chamfer 9 that 8 mouthfuls of blind hole is 45 °.
Blade advantageously reduces friction when cutting tool part, while can have with horizontal plane and in 30 ° of angles when processing The raising accuracy of effect.
The model of bite 4 can be VCGT, while the machinery for the lathe model KB-0632 that can be used is to tooling zero Part is processed, and quantity-produced purpose is reached, and ensure that the precision of tool part.
The above is specific embodiment of the present utility model, but the protection scope of the utility model is not limited to this, It is any to be familiar with those skilled in the art within the technical scope disclosed by the utility model, technical side according to the present utility model Case and its design are subject to equivalent substitution or change, should all cover within the protection scope of the utility model claims.

Claims (5)

1. a kind of miniature bite (4), including four rhombogen top and bottom, conical mounting hole, a plurality of chip space (3), point of a knife (1) With four sides (6), the cone mounting hole is set to the center of bite (4), under four rhombogen upper surface (2) areas are greater than Face surface area, the side (6) are 30-60 ° horizontal by 5-7 ° of angle, the apex angle of the bite, which is characterized in that institute State the fillet R(7 that point of a knife (1) is equipped with 0.11-0.19mm).
2. miniature bite (4) according to claim 1, which is characterized in that point of a knife (1) the fillet R(7) be 0.15mm。
3. miniature bite (4) according to claim 1, which is characterized in that bite (4) upper surface (2) is less than Lower surface area, the inclined-plane that side (6) relative level is 1-7 °;The depth of chip space (3) is 0.1-0.4mm, and length is 3-8mm, width 0.5-2mm.
4. miniature bite (4) according to claim 1, which is characterized in that the water chestnut of bite (4) upper surface (2) Side length is 5-10mm, and bite (4) is with a thickness of 2-8mm.
5. miniature bite (4) according to claim 1-4, which is characterized in that the peace on the upper surface (2) The mounting hole bore that bore open is greater than on lower surface is filled, the chip space (3) is set to the side of four rhombogen upper surfaces (2) in parallel Edge.
CN201821680836.0U 2018-10-17 2018-10-17 A kind of miniature bite Active CN209632144U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821680836.0U CN209632144U (en) 2018-10-17 2018-10-17 A kind of miniature bite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821680836.0U CN209632144U (en) 2018-10-17 2018-10-17 A kind of miniature bite

Publications (1)

Publication Number Publication Date
CN209632144U true CN209632144U (en) 2019-11-15

Family

ID=68471460

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821680836.0U Active CN209632144U (en) 2018-10-17 2018-10-17 A kind of miniature bite

Country Status (1)

Country Link
CN (1) CN209632144U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108971534A (en) * 2018-10-17 2018-12-11 湖南机电职业技术学院 A kind of miniature bite and its processing technology

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108971534A (en) * 2018-10-17 2018-12-11 湖南机电职业技术学院 A kind of miniature bite and its processing technology

Similar Documents

Publication Publication Date Title
CA2889088C (en) T-shaped cutter, rib-machining method and airplane part
CN201140291Y (en) Mirror polishing solid carbide for diamond coating
CN209632144U (en) A kind of miniature bite
CN103949704A (en) Milling method for orifice inside-outside fillet of irregular hole on conical shell surface
JP2015525141A (en) Chamfering cutter with helical pointed blade and discharge groove
CN208215111U (en) A kind of impeller abrasive flows fixture
CN104191017A (en) Novel facing cutter
CN205869573U (en) Insert milling cutter with shock -absorbing function
CN210188620U (en) Composite face milling cutter capable of performing rough machining and finish machining
CN108971534A (en) A kind of miniature bite and its processing technology
CN106583534A (en) CNC cutting tool and CNC machining method
CN218192942U (en) Axial up-down floating deburring tool shank
CN216912223U (en) Cutter for processing lens hole shape and forming machine
CN105772818A (en) Aluminum material milling cutter
CN205464384U (en) Boring machine adds cutter
CN208744598U (en) A kind of grinding wheel of grinder piece of long-life
CN111421299B (en) Processing method of bead fixing ring
CN112621501A (en) Deep hole grinding and polishing device and using method
CN204221075U (en) A kind of Novel milling cutterhead
CN103084630B (en) Hole making drill
CN206009960U (en) A kind of composite milling cutter
CN210060745U (en) End face honing knife
CN211277902U (en) Machine tool part polishing device
CN207824670U (en) A kind of diamond abnormity emery wheel
CN220095051U (en) Milling cutter

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant