CN108393507A - A kind of boring cutter - Google Patents

A kind of boring cutter Download PDF

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Publication number
CN108393507A
CN108393507A CN201810441817.0A CN201810441817A CN108393507A CN 108393507 A CN108393507 A CN 108393507A CN 201810441817 A CN201810441817 A CN 201810441817A CN 108393507 A CN108393507 A CN 108393507A
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CN
China
Prior art keywords
boring cutter
sliding block
groove
ontology
blade
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.)
Granted
Application number
CN201810441817.0A
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Chinese (zh)
Other versions
CN108393507B (en
Inventor
陈达炳
张海涛
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.)
Ningbo Dan Derui Precision Optical Machinery Science And Technology Ltd
Original Assignee
Ningbo Dan Derui Precision Optical Machinery Science And Technology Ltd
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.)
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Application filed by Ningbo Dan Derui Precision Optical Machinery Science And Technology Ltd filed Critical Ningbo Dan Derui Precision Optical Machinery Science And Technology Ltd
Priority to CN201810441817.0A priority Critical patent/CN108393507B/en
Publication of CN108393507A publication Critical patent/CN108393507A/en
Application granted granted Critical
Publication of CN108393507B publication Critical patent/CN108393507B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B27/00Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B27/00Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/16Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
    • B23B27/1662Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped with plate-like cutting inserts clamped against the walls of the recess in the shank by a clamping member acting upon the wall of a hole in the cutting insert
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine

Abstract

The present invention discloses a kind of boring cutter, is related to process tool technical field comprising:Blade, sliding block, boring cutter ontology, transmission shaft, adjusts handle of a knife at blade bearing, technical solution provided by the present application is coordinated by the rack pinion adjusted between handle of a knife and transmission shaft, and screw-driven cooperation realizes that the high-precision of boring cutter radius of machining is adjusted between transmission shaft and sliding block, and then realize that high-precision is processed.Boring machine internal drive can be used to be adjusted for its adjustment process, convenient and easy.

Description

A kind of boring cutter
Technical field
The present invention relates to process tool technical field more particularly to a kind of boring cutters.
Background technology
Boring cutter is the lathe for mainly carrying out boring to the existing pre-manufactured hole of workpiece with boring cutter.In general, being transported based on boring cutter rotation Dynamic, the movement of boring cutter or workpiece is feed motion.It is mainly used for machining high-precision hole or one-time positioning completes the essence in multiple holes Processing, can additionally be engaged in the processing that other related machined surfaces are finished with hole.May be used also using different cutter and attachment It carries out drilling, milling, the machining accuracy of cutting and surface quality and is higher than drilling machine.Boring machine is the main of large-size box part processing Equipment.
When needing to change the radius of machining of boring cutter, position of the regulating boring cutter in mounting base is needed.On the one hand, boring cutter It is inconvenient that position is adjusted, especially large-scale boring cutter equipment;On the other hand, common regulative mode is difficult to realize high-precision tune Section, machining accuracy be not high.
Invention content
Technical problem to be solved by the present invention lies in, a kind of boring cutter is provided, easily to change radius of machining, and it is real Existing high-precision adjusting, increases machining accuracy.
In order to solve the above-mentioned technical problem, the application proposes a kind of boring cutter comprising:
Blade;
Blade bearing, the blade bearing have a boring cutter bar, the boring cutter bar bottom are provided with a slide contact part, top It is provided with a blade mounting portion, the blade is mounted on blade mounting portion;
Sliding block, the upper surface of the sliding block are fixedly connected with the slide contact part of blade bearing, and lower surface is slip plane;Institute It states and is provided with a connection protrusion on slip plane, the connection protrusion is provided with a threaded hole, the axis of the threaded hole Direction is consistent with the glide direction of the sliding block;
Boring cutter ontology, is provided with sliding slot at the top of boring cutter ontology, and the sliding block is slidably fixed to the boring cutter sheet In the sliding slot of body;The bottom of the sliding slot is provided with the first groove, and when sliding block slides in sliding slot, first groove can Accommodate the connection protrusion of the sliding block;First bottom portion of groove has a through-hole for being through to boring cutter body bottom portion;
Transmission shaft is contained in the first groove of the boring cutter ontology, and the transmission shaft is installed in rotation on the boring In the trepanning at the first groove both ends of knife ontology;Thread segment, gear segment are provided on the transmission shaft;Wherein, the screw thread Section is closed with the corresponding threaded holes on the connection protrusion of sliding block and is connected;
Handle of a knife is adjusted, described adjusting handle of a knife one end is connected to boring machine, and the other end is provided with rack, and the rack passes through described The through-hole of boring cutter body bottom portion engages in the first groove of the boring cutter ontology with the gear segment on the transmission shaft;When making When adjusting handle of a knife up and down motion, the transmission shaft is driven to rotate, the mating band movable slider that the transmission shaft passes through thread segment slides.
Optionally, the boring cutter further includes two fixed blocks;The sliding block respectively has a step surface on the both sides of glide direction, It is flushed at the top of the step surface and the boring cutter ontology;The fixed block is fixed by screws on boring cutter ontology, and is against On the step surface of sliding block, sliding block is slidably fixed in the sliding slot of boring cutter ontology.
Optionally, the slide contact part of the sliding block and blade bearing is threadably secured connection.
Optionally, the upper surface of the sliding block is provided with the second groove in glide direction, and the sliding of the blade bearing connects The protrusion adapted to second groove is provided in socket part;It is described when the slide contact part of sliding block and blade bearing connects Second groove is matched with the protrusion.
Optionally, glide direction is provided with several threaded holes in the upper surface of sliding block, and connects in the sliding of blade bearing Slotted hole is provided in socket part, the length direction of the slotted hole is identical as the direction of threaded hole;Screw passes through slotted hole and cunning The threaded hole of block upper surface is connected, and blade bearing is made to be fixed on the upper surface of sliding block.
Optionally, the upper surface of the sliding block is provided with two rows of threaded holes along glide direction.
Optionally, the sliding slot of the boring cutter ontology runs through boring cutter ontology in glide direction.
Optionally, the sliding slot side of the boring cutter ontology is provided with a through-hole, screw thread is provided on the through-hole; There is a screw, the screw is against on sliding block, to prevent sliding block from sliding in through-hole.
Optionally, the threaded hole on the connection protrusion of the thread segment of transmission shaft and sliding block is the closely-pitched spiral shell being mutually matched Line.
Optionally, the lower surface of the sliding block has third groove, is connected with the first groove of the boring cutter ontology, with Accommodate the rack end for adjusting handle of a knife.
This application involves boring cutter be related to blade, blade bearing, sliding block, boring cutter ontology, transmission shaft, adjust handle of a knife, pass through tune It saves screw-driven cooperation between rack pinion cooperation and transmission shaft and sliding block between handle of a knife and transmission shaft and realizes boring cutter The high-precision of radius of machining is adjusted, and then realizes that high-precision is processed.Boring machine internal drive can be used to be adjusted for its adjustment process, It is convenient and easy.
Description of the drawings
Fig. 1 is the structural schematic diagram according to the boring cutter shown in an exemplary embodiment.
Fig. 2 is the decomposition texture schematic diagram according to the boring cutter shown in an exemplary embodiment.
Fig. 3 is the decomposition texture schematic diagram according to the boring cutter shown in an exemplary embodiment.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described, However, the present invention is not limited to these examples.In the following description, the specific detail of such as specific configuration and component is provided Just for the sake of helping comprehensive understanding embodiments herein.It therefore, it will be apparent to those skilled in the art that can be to retouching here The embodiment stated makes various changes and modifications without departing from the scope and spirit of the present application.In addition, for clarity and brevity, saving The description to known function and construction is omited.
Referring to figs. 1 to Fig. 3, the boring cutter shown in the embodiment of the present application includes:Blade 1, blade bearing 2, sliding block 3, boring cutter ontology 4, transmission shaft 6, adjusting handle of a knife 5, specifically include:
Blade 1, blade are used for workpieces processing.
Blade bearing 2, the blade bearing 2 have a boring cutter bar 21,21 bottom of the boring cutter bar are provided with one and is slidably connected Portion 22, top are provided with a blade mounting portion 211, and the blade 1 is mounted on blade mounting portion 211.
In the embodiment of the present application, blade bearing 2 includes boring cutter bar 21 and slide contact part 22.
In the embodiment of the present application, blade 1 is removably mounted on blade mounting portion 211.It can specifically be incited somebody to action by screw Blade 1 is removably attached on blade mounting portion 211.
Sliding block 3, the upper surface 34 of the sliding block 3 are fixedly connected with the slide contact part 22 of blade bearing, and lower surface 31 is to slide Dynamic plane;A connection protrusion 32 is provided on the slip plane, the connection protrusion 32 is provided with a threaded hole 321, The axis direction of the threaded hole 321 is consistent with the glide direction of the sliding block 3.
In the embodiment of the present application, the sliding block 3 is threadably secured with the slide contact part 22 of blade bearing 2 and connect.
In the embodiment of the present application, the upper surface 34 of the sliding block 3 is provided with the second groove 35 in glide direction, described The protrusion 221 adapted to second groove 35 is provided on the slide contact part 22 of blade bearing 2;In sliding block 3 and blade bearing 2 Slide contact part 22 connect when, second groove 35 is matched with the protrusion 221.
The cooperation of second groove 35 and protrusion 221 to be easier to position when installation, be also easier to glide direction into Row adjustment.
Further, glide direction is provided with several threaded holes 341 in the upper surface of sliding block 3 34, and in blade bearing 2 Slide contact part 22 on be provided with slotted hole 222, the length direction of the slotted hole 222 is identical as the direction of threaded hole 341; Screw 8 passes through slotted hole 222 and the threaded hole 341 of 3 upper surface 34 of sliding block to be connected, and blade bearing 2 is made to be fixed on the upper of sliding block 3 On surface 34.
In the embodiment of the present application, blade bearing 2 moves the radius of machining of changeable blade 1, spiral shell along the glide direction of sliding block 3 341 distribution arrangement of pit is the glide direction of sliding block 3, so blade bearing 2 can adjust the installation of itself along the glide direction of sliding block 3 Position, and then realize the radius of machining of adjustment blade 1, realize the coarse regulation of radius of machining, increase boring machine can the range of work.
In addition, the setting direction in slotted hole 222 is identical as the direction of threaded hole 341, can be arranged in slotted hole more A screw 8 so that connection is more firm, and connection rigidity is more preferable, to realize higher machining accuracy.
The cooperation of second groove 35 and protrusion 221 to be easier to position when installation, be also easier to glide direction into Row adjustment, and the reliability of connection can be increased.Specifically, in processing, when blade bearing 2 needs to bear the cutting of blade 1 The mating connection of the reaction force brought, the second groove 35 and protrusion 221 makes blade bearing 2 have higher rigidity, can Bear the active force of bigger.
In addition, 1 hardness of blade is high, it is easy the blade mounting portion 211 in processing to blade bearing 2 and generates destruction.In blade When mounting portion 211 is destroyed, blade bearing 2 can be replaced, without replacing entire boring cutter structure, save machinery The cost of processing.
In the embodiment of the present application, the upper surface of the sliding block 3 is provided with two rows of threaded holes along glide direction.Two rows of screw threads Hole can bear the load of higher intensity compared to the threaded hole of single setting in connection.
Boring cutter ontology 4 is provided with sliding slot 41 at the top of boring cutter ontology 4, and the sliding block 3 is slidably fixed to described In the sliding slot 41 of boring cutter ontology 4;The bottom of the sliding slot 41 is provided with the first groove 42, when sliding block 3 slides in sliding slot 41, First groove 42 can accommodate the connection protrusion 32 of the sliding block 3;First groove, 42 bottom has one to be through to The through-hole 43 of 4 bottom of boring cutter ontology.
In the embodiment of the present application, the sliding slot 41 of the boring cutter ontology 4 runs through boring cutter ontology 4 in glide direction.
When sliding block 3 slides, the blade 1 on blade bearing 2 can be driven to slide, and then change the radius of machining of blade 1.Sliding slot 41 make sliding block 3 have the sliding scale of bigger through boring cutter ontology 4, so that the range of work of the blade 1 on blade bearing 2 Bigger.
In the embodiment of the present application, 4 bottom of boring cutter ontology is provided with keyway and threaded mounting hole, is used for boring cutter ontology 4 are fixed on boring spindle.
In the embodiment of the present application, the boring cutter further includes two fixed blocks 7;The sliding block 3 is on the both sides of glide direction Respectively there is a step surface 36, the top 45 of the step surface 36 and the boring cutter ontology 4 flushes;The fixed block 7 is solid by screw It is scheduled on boring cutter ontology 4, and is against on the step surface 36 of sliding block 3, sliding block 3 is slidably fixed to the cunning of boring cutter ontology 4 In slot 41.
The top of boring cutter ontology 4 45 is provided with several threaded holes 47, corresponding through-hole is provided on fixed block 7 71.Screw may pass through through-hole 71 and screw in threaded hole 47, and sliding block 3 is slidably fixed in the sliding slot 41 of boring cutter ontology 4.
In the embodiment of the present application, 41 side of sliding slot of the boring cutter ontology 4 is provided with a through-hole 44, in the through-hole Screw thread is provided on 44;There is a screw, the screw are against in through-hole 44 on sliding block 3, to prevent sliding block 3 from sliding.
Screw adjustable slide 3 in through-hole 44 tightness in sliding slot;Sliding slot 41 and sliding block 3 lean on if necessary Itself cooperation reaches suitable tightness, needs higher machining accuracy and installation accuracy, cost of implementation higher.In addition, with The use of boring cutter, the tightness of sliding slot 41 and sliding block 3 also will produce variation, need to adjust, here by through-hole 44 Screw can easily realize these adjustment.
Transmission shaft 6 is contained in the first groove 42 of the boring cutter ontology 4, and the transmission shaft 6 is installed in rotation on institute In the trepanning 46 at 42 both ends of the first groove for stating boring cutter ontology 4;Thread segment 62, gear segment are provided on the transmission shaft 6 61;Wherein, the thread segment 62 and the threaded hole 321 on the connection protrusion 32 of sliding block 3 are in mating connection.
It is sliding in the first groove 42 of boring cutter ontology 4 with movable slider 3 by screw-driven when transmission shaft 6 rotates Dynamic, screw-driven can be by linear motion that convert rotational motion is small distance, it can be achieved that the adjusting of degree of precision, to realize Higher machining accuracy.
In the embodiment of the present application, in the trepanning 46 at 42 both ends of the first groove of boring cutter ontology 4, one of trepanning is Through-hole.
Handle of a knife 5 is adjusted, described 5 one end of adjusting handle of a knife is connected to boring machine, and the other end is provided with rack 51, and the rack 51 is worn The through-hole 43 for crossing 4 bottom of boring cutter ontology, in the first groove 42 of the boring cutter ontology 4 with the tooth on the transmission shaft 6 Section 61 is taken turns to engage;When making adjusting handle of a knife 5 move up and down, the transmission shaft 6 is driven to rotate, the transmission shaft 6 passes through thread segment 62 mating band movable slider 3 slides.
In the embodiment of the present application, the driver that the other end 52 of the handle of a knife 5 far from rack 51 is used to be connected to boring machine is adjusted Structure, boring machine control to adjust the up and down motion of handle of a knife 5, adjust handle of a knife 5 by rack pinion, the straight line for adjusting handle of a knife 5 is transported Turn turns to the spinning motion of transmission shaft 6;When 6 rotation of transmission shaft, by thread segment 62 and connection protrusion 32 threaded connection, Spinning motion is transmitted to sliding of the sliding block 3 along the first groove 42.Linear motion due to adjusting 5 relatively large distance of handle of a knife can convert For 3 small distance of sliding block linear slide, it can be achieved that degree of precision adjusting.
In the embodiment of the present application, further, on the connection protrusion 32 of the thread segment 62 of transmission shaft 6 and sliding block 3 Threaded hole 321 is the fine thread being mutually matched.
Fine thread can further increase the degree of regulation of radius of machining, for example, when the fine thread tooth away from for When 0.25mm, transmission shaft 6 and a diameter of 25mm of 5 junction of adjusting handle of a knife, when transmission shaft 6 turns over 1 week, sliding block 3 is along sliding slot 0.5mm is moved, and adjusts handle of a knife 5 and moves 78.5mm, that is, adjusts handle of a knife 5 and often moves 1mm, processing diameter change 0.006mm.Thus As it can be seen that machining accuracy is very high.
In the embodiment of the present application, the lower surface 31 of the sliding block 3 has third groove 33, with the boring cutter ontology 4 First groove 42 is connected, to accommodate the rack end 51 for adjusting handle of a knife 5.
Transmission shaft 6 is located in the first groove 42 of boring cutter ontology 4, adjusts handle of a knife 5 and needs to move up and down to drive transmission shaft 6 Rotation.The up and down motion distance for adjusting handle of a knife 5 depends on the size of upper down space, and it is recessed that third is arranged in the lower surface of sliding block 3 31 Slot 33 can increase the up and down motion range for adjusting handle of a knife 5, and then realize the adjusting radius for increasing blade 1.
This application involves boring cutter be related to blade, blade bearing, sliding block, boring cutter ontology, transmission shaft, adjust handle of a knife, pass through tune It saves screw-driven cooperation between rack pinion cooperation and transmission shaft and sliding block between handle of a knife and transmission shaft and realizes boring cutter The high-precision of radius of machining is adjusted, and then realizes that high-precision is processed.Boring machine internal drive can be used to be adjusted for its adjustment process, It is convenient and easy.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (10)

1. a kind of boring cutter, which is characterized in that including:
Blade;
Blade bearing, the blade bearing have a boring cutter bar, and the boring cutter bar bottom is provided with a slide contact part, top setting There are a blade mounting portion, the blade to be mounted on blade mounting portion;
Sliding block, the upper surface of the sliding block are fixedly connected with the slide contact part of blade bearing, and lower surface is slip plane;The cunning It is provided with a connection protrusion in dynamic plane, the connection protrusion is provided with a threaded hole, the axis direction of the threaded hole It is consistent with the glide direction of the sliding block;
Boring cutter ontology, is provided with sliding slot at the top of boring cutter ontology, and the sliding block is slidably fixed to the boring cutter ontology In sliding slot;The bottom of the sliding slot is provided with the first groove, and when sliding block slides in sliding slot, first groove can accommodate The connection protrusion of the sliding block;First bottom portion of groove has a through-hole for being through to boring cutter body bottom portion;
Transmission shaft is contained in the first groove of the boring cutter ontology, and the transmission shaft is installed in rotation on the boring cutter sheet In the trepanning at the first groove both ends of body;Thread segment, gear segment are provided on the transmission shaft;Wherein, the thread segment with Corresponding threaded holes on the connection protrusion of sliding block close connection;
Handle of a knife is adjusted, described adjusting handle of a knife one end is connected to boring machine, and the other end is provided with rack, and the rack passes through the boring cutter The through-hole of body bottom portion engages in the first groove of the boring cutter ontology with the gear segment on the transmission shaft;When making adjusting When handle of a knife moves up and down, the transmission shaft is driven to rotate, the transmission shaft is slided by the mating band movable slider of thread segment.
2. boring cutter according to claim 1, which is characterized in that the boring cutter further includes two fixed blocks;The sliding block exists Respectively there is a step surface on the both sides of glide direction, are flushed at the top of the step surface and the boring cutter ontology;The fixed block passes through Screw is fixed on boring cutter ontology, and is against on the step surface of sliding block, and sliding block is slidably fixed to the cunning of boring cutter ontology In slot.
3. boring cutter according to claim 1, which is characterized in that the slide contact part of the sliding block and blade bearing passes through screw thread It is fixedly connected.
4. boring cutter according to claim 3, which is characterized in that the upper surface of the sliding block is provided in glide direction Two grooves are provided with the protrusion adapted to second groove on the slide contact part of the blade bearing;In sliding block and blade When the slide contact part connection of seat, second groove is matched with the protrusion.
5. boring cutter according to claim 3, which is characterized in that glide direction is provided with several in the upper surface of sliding block Threaded hole, and slotted hole is provided on the slide contact part of blade bearing, the length direction of the slotted hole and the side of threaded hole To identical;Screw passes through slotted hole and the threaded hole of sliding block upper surface to be connected, and blade bearing is made to be fixed on the upper surface of sliding block On.
6. boring cutter according to claim 5, which is characterized in that the upper surface of the sliding block is provided with two rows along glide direction Threaded hole.
7. boring cutter according to claim 1, which is characterized in that the sliding slot of the boring cutter ontology runs through boring cutter in glide direction Ontology.
8. boring cutter according to claim 7, which is characterized in that it is logical that the sliding slot side of the boring cutter ontology is provided with one Hole is provided with screw thread on the through-hole;There is a screw in through-holes, the screw is against on sliding block, to prevent sliding block from sliding It is dynamic.
9. boring cutter according to claim 1, which is characterized in that on the thread segment of transmission shaft and the connection protrusion of sliding block Threaded hole is the fine thread being mutually matched.
10. boring cutter according to claim 1, which is characterized in that the lower surface of the sliding block has third groove, and described First groove of boring cutter ontology is connected, to accommodate the rack end for adjusting handle of a knife.
CN201810441817.0A 2018-05-10 2018-05-10 Boring cutter Active CN108393507B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201810441817.0A CN108393507B (en) 2018-05-10 2018-05-10 Boring cutter

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CN108393507A true CN108393507A (en) 2018-08-14
CN108393507B CN108393507B (en) 2020-10-02

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CN202984708U (en) * 2012-12-20 2013-06-12 浙江汉纳机械科技有限公司 Boring cutter adjusting device
CN104148692A (en) * 2013-05-14 2014-11-19 沈阳北方特种机床设计院有限公司 Boring power head system
CN203830796U (en) * 2014-03-04 2014-09-17 沈阳北重机器制造有限公司 Radial feeding device for T611 boring machine
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CN108393507B (en) 2020-10-02

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