CN204818116U - Special ladder lathe tool of heavy high -efficient cutting - Google Patents
Special ladder lathe tool of heavy high -efficient cutting Download PDFInfo
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- CN204818116U CN204818116U CN201520460194.3U CN201520460194U CN204818116U CN 204818116 U CN204818116 U CN 204818116U CN 201520460194 U CN201520460194 U CN 201520460194U CN 204818116 U CN204818116 U CN 204818116U
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- chip breaking
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- clamping device
- blade
- lathe tool
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Abstract
The utility model discloses the cutter was mainly used in the heavy turning stage, the utility model relates to a special ladder lathe tool of heavy high -efficient cutting, draw the low and serious problem of tool failure of waste in -process work efficiency in order to solve heavy spare part, draw waste complicated operating mode to heavy spare part, the development has designed special ladder lathe tool of heavy high -efficient cutting, this lathe tool design has two crisscross lathe tool pieces, the combined action of these two blades makes turning tool have great knifing scope, thereby satisfy the needs of actual processing, and to cutting process chip breaking difficulty problem, the design has special chip breaking clamping device, combined action by blade cell type and special chip breaking clamping device, easier chip breaking among the messenger cutting process, can the effectual life who improves the blade, the frequent tool changing time is shortened, thereby can effectively improve production efficiency. The simple structure of a whole set of cutter, low in production cost, the requirement of waste process is drawn in the fine adaptation of ability.
Description
Technical field
The invention belongs to heavy cutting tool technical field, particularly relate to the special ladder lathe tool of a kind of heavy high-efficient cutting.
Background technology
The development of nuclear industry is the key solving energy problem at present, and in order to meet the demand that domestic nuclear power is equipped nuclear power, the production efficiency of producing nuclear power assembly all improves in each manufacturer in acceleration, as large-scale hydrogenation shell ring, and large-scale water chamber head etc.Nuclear power part is in order to meet safety in utilization requirement, and according to professional standard, forging processing taked by the blank for these strength members, then carries out drawing famine on lathe, carry out next step machining subsequently.Draw in waste process, due to the various defects of blank when forging (forging hole, forging bulge, forging fold, forging raised line), cause drawing cutting-in change in waste process, and in working angles, cutter tooth is cut at random and is cut out, impulsive force is very big, for improving tool strength, adopting little cutting-in to process, therefore having serious impact to working (machining) efficiency; Meanwhile, because part material plasticity and toughness are comparatively large, during turning produces, long chip is more, and chip breaking is difficult, and produces serious friction to cutter, affects cutter life.When tradition draws famine, the general blade adopted is welded type heavy goods vehicles blade, and as shown in Figure 1, this blade adopts carbide bit to be welded on 45 steel knife bodies, is then connected with knife bar by screw.Due to this carbide bit manufacturing defect, (tip size is large, easily there is uneven microstructure phenomenon in inside), the welding residual stress that produces in welding process and the severe surface etc. of blank, cause cutter there will be in process various forms of breakage (as, impact breakage, cutting edge is torn, wear of the tool flank, blade come off), have a strong impact on cutter life, affect working (machining) efficiency and production cycle.
Summary of the invention
Cutter of the present invention is mainly used in the Large Heavy-duty Turning stage, devise the special ladder lathe tool of heavy high-efficient cutting, this lathe tool is designed with two turning inserts of staged distribution, under the acting in conjunction of two blades, make lathe tool have larger cutting-in scope, thus adapt to actual processing operating mode.Simultaneously high for shell ring material plasticity and toughness, the problem of chip breaking difficulty in working angles, be designed with special chip breaking clamping device, by the acting in conjunction of Chip grooves and special chip breaking clamping device, make easier chip breaking in working angles, effectively can improve the service life of blade, reduce frequent tool change time, thus can effectively enhance productivity.The structure of a whole set of cutter is simple, and production cost is low, can be applicable to the needs drawing waste process very well.
In order to achieve the above object, the technical solution used in the present invention is:
The special ladder lathe tool of a kind of heavy high-efficient cutting, it is characterized in that: comprise heavy goods vehicles knife bar, heavy goods vehicles blade, knife bar lightening hole, positioner, chip breaking clamping device and edge bearing, the special ladder lathe tool of described heavy high-efficient cutting forms cascaded surface by the differing heights side of knife bar, blade forms ladder lathe tool by cascaded surface, the compression boss face of the 2mm that described blade is designed by chip breaking clamping device compresses, described chip breaking clamping device, by the positioning boss of bottom, be positioned on knife bar, and utilize soket head cap screw to be connected with cutter hub, the chip water conservancy diversion inclined-plane that the effective control chip-flowing of the lateral layout of described chip breaking clamping device is at 45 °, and there is sufficient chip space at the cutting edge of cutter and chip breaking clamping device.
Described positioner for locating chip breaking clamping device, and utilizes hex(agonal)screw to be fixed on heavy goods vehicles knife bar, further forms cascaded surface on the positioning device, makes chip breaking clamping device become stepped distribution simultaneously.
Described heavy high-efficient cutting special ladder lathe tool tool cutting edge angle is 75 °, and anterior angle is 10 °, and relief angle is 8 °.
The cutting edge of described heavy goods vehicles blade is parallel to basal plane, one side groove, and grooved is circular arc, and blade structure is simple, and heavy goods vehicles blade devises the wide negative chamfered edge of 0.3mm simultaneously.
Described heavy goods vehicles knife bar is designed with lightening hole.
The invention has the beneficial effects as follows:
1. this cutter is that heavy forging blank draws waste special layer cutter, is designed with two heavy cutting blades, and the tool cutting edge angle of cutter is 75 °, and anterior angle is 10 °, and relief angle is 8 °, and blade is fixed by screws on knife bar.When cutting depth hour in working angles, upper strata heavy goods vehicles blade is only had to participate in cutting, and total cutting-in a
p=a
p1; And when cutting-in is large, two heavy goods vehicles blades participate in cutting simultaneously, and first lower floor's heavy goods vehicles blade participates in cutting workpiece coating metal, upper strata heavy goods vehicles blade cut nexine metal, and now total cutting depth is a
p=a
p1+ a
p2.And then the cutting depth improved, effectively can improve and draw operating efficiency in waste process, improve Large Heavy-duty Turning working (machining) efficiency.
2. for the situation of blank, before and after the groove of designed heavy goods vehicles blade, width is wide, and cutting edge is parallel to basal plane, one side groove, and grooved is circular arc, in order to ensure the intensity of cutting edge, devises the negative chamfered edge that 0.3mm is wide on the cutting edge.This blade can realize larger cutting data and cut, and is suitable for heavy type and draws hogging machining, and blade structure is simple, low cost of manufacture.
3. chip breaking clamping device is fixedly connected on knife bar by the positioning boss of hexagon socket cap head screw and bottom, and in order to prevent play, be provided with positioner in the side of chip breaking clamping device, this positioner is fixed on knife bar by alignment pin and hexagon-headed bolt.A whole set of tooling system processing cost is low, and structure is simple, safe and reliable.In cutter, chip breaking clamping device devises 45 ° of inclined-planes, this inclined-plane effectively can control the flow direction of chip, and be conducive to chip breaking, there is sufficient space on the cutting edge distance chip breaking clamping device inclined-plane of cutter, can effectively realize between holding bits effect, be conducive to the length tight spiral shell volume bits producing convenient process, at the compression boss of chip breaking clamping device about bottom design 2mm, when assembling, blade is by the common clamping action of blade fastened screws and chip breaking clamping device, makes blade safe and reliable in the course of the work.
4. heavy goods vehicles knife bar is for alleviating knife bar weight, devises knife bar lightening hole, and this design improves knife bar vibration resistance, saves cutter material cost simultaneously.The hexagon socket cap head screw used in cutter, hexagon-headed bolt, spring washer are all standard components.A whole set of tooling system processing cost is low, and structure is simple, safe and reliable, effectively can improve and draw operating efficiency in waste process.
To sum up, the utility model is drawing inefficiency in waste process and the serious problem of tool failure to solve heavy parts, waste complicated operating mode is drawn for heavy parts, development and Design heavy cutting special ladder lathe tool, this lathe tool has larger cutting-in scope, thus meet the needs of actual processing, and for working angles chip breaking difficult problem, be designed with special chip breaking clamping device, under the acting in conjunction of Chip grooves and special chip breaking clamping device, make easier chip breaking in working angles, effectively can improve the service life of blade, reduce frequent tool change time, thus can effectively enhance productivity.The structure of a whole set of cutter is simple, and production cost is low, can be applicable to the needs drawing waste process very well.
Accompanying drawing explanation
Fig. 1 is the front view of the special ladder lathe tool of heavy high-efficient cutting of the present invention;
Fig. 2 is the top view of the special ladder lathe tool of heavy high-efficient cutting;
Fig. 3 is the sectional view of heavy high-efficient cutting special ladder lathe tool A-A;
Fig. 4 is the sectional view of heavy high-efficient cutting special ladder lathe tool B-B;
Fig. 5 is the sectional view of chip breaking clamping device.
Mark in figure: 1-chip breaking clamping device; 101-water conservancy diversion inclined-plane; 102-compresses boss; 103-positioning boss; 2-heavy goods vehicles blade; 3-edge bearing; 4-hexagon-headed bolt; 5-positioner; 6-hexagon socket cap head screw; 7-heavy goods vehicles knife bar; Cutter hub side, 701-upper strata; 702-lower floor cutter hub side; 8-knife bar lightening hole; 9-alignment pin; 10-spring washer; 11-blade fastened screws; 12-edge bearing trip bolt.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1-Fig. 4 explanation, the special ladder lathe tool of a kind of heavy cutting, described Tool Design has two heavy goods vehicles blades, the side 701 and 702 highly different by heavy goods vehicles knife bar 7 forms ladder lathe tool, the cutting depth of two lathe tools is identical, and then add the cutting depth of the special ladder lathe tool of heavy cutting, blade 2 utilizes edge bearing 3 to locate on knife bar, and utilize chip breaking clamping device 1 to compress, there is centre bore in blade simultaneously, utilize screw 11 and be fixed on clamping force knife bar 7 improving blade, chip breaking clamping device 1 is fixed on knife bar by the boss 103 of hexagon socket cap head screw 6 and bottom, at screw, pad 10 is installed for 6 times and prevents screw loosening, and in order to prevent chip breaking clamping device 1 play, at the afterbody of chip breaking clamping device, positioner 5 is set, this positioner 5 is located by alignment pin 9 and is applied hexagon-headed bolt 4 and is fixed on knife bar.In order to save processing cost, the hexagon socket cap head screw used in cutter, hexagon-headed bolt, spring washer are all standard components.A whole set of tooling system processing cost is low, and structure is simple, safe and reliable, effectively can improve and draw operating efficiency in waste process.
Detailed description of the invention two: composition graphs 3, Fig. 4 explanation, the present embodiment is on the lateral layout of chip breaking clamping device 1 chip water conservancy diversion at 45 ° inclined-plane 101, this water conservancy diversion inclined-plane effectively can control the flow direction of chip, and there is sufficient space on the cutting edge of cutter distance chip breaking clamping device water conservancy diversion inclined-plane, effectively can realize between holding bits effect, be conducive to length that is that produce heavy cutting middle ideal and that be convenient to collect process and tightly roll up bits.At the compression boss 102 of water conservancy diversion inclined-plane about bottom design 2mm, when assembling, blade, by the common clamping action of blade fastened screws 11 and chip breaking clamping device 1, makes blade safe and reliable in the course of the work.In present embodiment, undocumented technical characteristic is identical with detailed description of the invention one.
Detailed description of the invention three: composition graphs 1, Fig. 2 explanation, described in present embodiment, heavy goods vehicles blade 2 is heavy turning insert, wide before and after this insert groove, cutting edge is parallel to basal plane, one side groove, and grooved is circular arc, this blade can realize the cutting of larger cutting data, what be suitable for heavy cutting draws waste stage process, and blade structure is simple, low cost of manufacture.In present embodiment, undocumented technical characteristic is identical with detailed description of the invention one.
Detailed description of the invention four: composition graphs 1, Fig. 2 illustrate, the tool cutting edge angle of the special ladder lathe tool of heavy cutting described in present embodiment is 75 °, and anterior angle is 10 °, and relief angle is 8 °.In present embodiment, undocumented technical characteristic is identical with detailed description of the invention one.
Detailed description of the invention five: composition graphs 1, Fig. 2 illustrate, heavy goods vehicles blade 2 described in present embodiment devises the wide negative chamfered edge of 0.3mm, and this design can increase the shock resistance of blade, improves the wearability of blade.In present embodiment, undocumented technical characteristic is identical with detailed description of the invention one.
Detailed description of the invention six: composition graphs 1, Fig. 2 illustrate, heavy goods vehicles knife bar 7 described in present embodiment, for alleviating knife bar weight, devises knife bar lightening hole 8, this design improves knife bar vibration resistance.In present embodiment, undocumented technical characteristic is identical with detailed description of the invention one.
Claims (3)
1. the special ladder lathe tool of heavy high-efficient cutting, it is characterized in that: comprise heavy goods vehicles knife bar, heavy goods vehicles blade, knife bar lightening hole, positioner, chip breaking clamping device and edge bearing, described heavy goods vehicles blade is located on knife bar by edge bearing, be positioned on knife bar by boss bottom described chip breaking clamping device, described chip breaking clamping device, screw is utilized to be fixed on knife bar, described chip breaking clamping device, at the compression boss of about bottom design 2mm, described chip breaking clamping device, positioner, blade are connected by screw.
2. the special ladder lathe tool of a kind of heavy high-efficient cutting according to claim 1, it is characterized in that: chip breaking clamping device, what lateral layout controlled chip flows to 45 ° of chip water conservancy diversion inclined-planes, and makes Tool in Cutting sword distance chip breaking clamping device have sufficient chip space.
3. the special ladder lathe tool of a kind of heavy high-efficient cutting according to claim 1, is characterized in that: form cascaded surface by the side of cutter hub differing heights, form ladder lathe tool by blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520460194.3U CN204818116U (en) | 2015-07-01 | 2015-07-01 | Special ladder lathe tool of heavy high -efficient cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520460194.3U CN204818116U (en) | 2015-07-01 | 2015-07-01 | Special ladder lathe tool of heavy high -efficient cutting |
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| Publication Number | Publication Date |
|---|---|
| CN204818116U true CN204818116U (en) | 2015-12-02 |
Family
ID=54675757
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520460194.3U Expired - Fee Related CN204818116U (en) | 2015-07-01 | 2015-07-01 | Special ladder lathe tool of heavy high -efficient cutting |
Country Status (1)
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| CN (1) | CN204818116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560716A (en) * | 2019-09-06 | 2019-12-13 | 上海沪东造船柴油机配套有限公司 | Turning tool set for deep groove machining and large part deep groove machining method |
-
2015
- 2015-07-01 CN CN201520460194.3U patent/CN204818116U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560716A (en) * | 2019-09-06 | 2019-12-13 | 上海沪东造船柴油机配套有限公司 | Turning tool set for deep groove machining and large part deep groove machining method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20160701 |