CN205043423U - Cylindrical accessory system of processing that metal die was used - Google Patents
Cylindrical accessory system of processing that metal die was used Download PDFInfo
- Publication number
- CN205043423U CN205043423U CN201520692938.4U CN201520692938U CN205043423U CN 205043423 U CN205043423 U CN 205043423U CN 201520692938 U CN201520692938 U CN 201520692938U CN 205043423 U CN205043423 U CN 205043423U
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- brushgear
- brush
- lathe
- insulating
- processing
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Abstract
The utility model provides a cylindrical accessory system of processing that metal die was used, includes: the lathe that has main shaft, tailstock and the little slide of taking main chuck, the driven shaft of the vice chuck in the insulating area of adorning on this tailstock, this pair chuck and main chuck are used for the cylindrical accessory of centre gripping, insulating first, the second brushgear of installing on the lathe bed with the magnetic force location, pulse generator, output connect brush first, the second brushgear respectively, take the supersound rolling press device of mified head, it is right to be used for the top layer of accessory is carried out the supersound and is strikeed the roll extrusion, and, insulating adorn the knife rest on this little slide, be equipped with on this knife rest the cutter and/or supersound rolling press device. This system can accomplish the pulse current tempering and the lathe work of the accessory blank after the quenching preliminary treatment in succession, and then carries out the electricity simultaneously to semi -manufactured goods after the turning and send moulding processing and supersound impact roll extrusion processing. Through the experimental production cycle who has greatly shortened guide pillar etc. Machining efficiency improves and reaches 30%, manufacturing cost and reduce.
Description
Technical field
The utility model belongs to metal processing sectors, is specifically related to a kind of cylindrical accessories (as guide pillar, red needle etc.) system of processing of metal die.
Background technology
Dieparts refers to the general name of the proprietary metal fittings in diel, plastic mould or FA automation equipment of die industry.Dieparts includes: red needle, drift, guide pillar, guide pin bushing, thimble, ejector sleeve, steel ball sleeve, without oil feeding guide sleeve, without oil supply slide plate, Guide column component etc.Guide pillar is in mould, combinationally uses to guarantee that mould precise positioning carries out activity, and guide the director element of mold stroke with assembly.The destruction that the ultimate challenge run in the use procedure of metal die guide pillar is its surface because wearing and tearing, fatigue, corrosion etc. cause and inefficacy.Therefore, actual engineer applied all has higher requirements to the case hardness of metal grinding tool guide pillar, wearability, precision and fineness etc.
The traditional processing method of guide pillar as metal die is: by good for roughing blank high temperature (920 DEG C) carburizing 6 hours, low temperature (200 DEG C) tempering 2 hours, to improve guide post surface hardness and wear resistance; Surface accuracy and the fineness of instructions for use is reached again through grinding machine processing.But because the whole carburization process production cycle is long, reaction temperature is high, and cause the overall mechanical properties decrease of guide pillar, and production cost is higher, production efficiency is low.Metal die guide pillar manufacture field domestic for a long time mostly adopts this traditional production technology, the bottleneck problem that guide-post of die-set surface accuracy is low, military service poor performance and working (machining) efficiency low production cost height have become restriction China equipment manufacture high speed development.
For some difficult processing metals that hardness own is very high or work hardening is serious, its surface is high rigidity inductile state often, its cutting ability extreme difference, and turnery processing rear surface is of poor quality, also greatly reduces cutter life simultaneously; In addition, make its surface produce strong plastic deformation by simple ultrasonic burnishing processing method, and then obtain the larger degree of depth on its top layer and the very high surface strengthen layer of case hardness is very difficult.
Summary of the invention
The problems referred to above existing for the cylindrical metal accessory such as guide pillar, red needle of metal die are made for traditional handicraft, the utility model provides a kind of cylindrical accessories system of processing of metal die, accessory surface property can be improved by accessories such as this system process guide pillar, red needles, improve surface accuracy and fineness, improve working (machining) efficiency.
The cylindrical accessories system of processing of the utility model metal die comprises: lathe, and this lathe comprises main shaft, is installed on the main card dish of this main shaft, tailstock and small slide plate etc.; The driven shaft of insulating mounting on described tailstock, the center line of this driven shaft overlaps with the center line of described main shaft; Be installed on the vice card dish of described driven shaft one end, this vice card dish and described main card dish are for clamping a cylindrical accessories; With the first brushgear and second brushgear of magnetic force location, both insulating mounting are on the lathe bed of lathe; The pulse power, one output is direct or be connected by the brush of time switch with described first brushgear, and another output directly connects the brush of described second brushgear, pulse current can be imported described cylindrical accessories by this brush; With the ultrasonic burnishing device of milled head, for carrying out ultrasonic impact roll extrusion to the top layer of described cylindrical accessories; And the knife rest of insulating mounting on described small slide plate, this knife rest is provided with cutter and/or described ultrasonic burnishing device.
Native system can complete pulse current temper and the turnery processing of the cylindrical accessories blank after quenching pretreatment continuously, and then carries out Electroplastic process and ultrasonic impact roll extrusion process to semi-finished product after turning simultaneously.Described cylindrical accessories refers to the revolving body accessory such as guide pillar, pin, drift, guide pin bushing, thimble of metal die.The material of the blank of described cylindrical accessories is middle strength steel, high strength steel, as 40Cr, GCr15 etc.
In native system, first, second brushgear described by magnetic attraction to lathe bed guide rail lateral surface, be arranged at additional iron plate outside guide rail, headstock or tailstock corresponding site.
Described first brushgear is identical with described second brushgear structure.Described first brushgear is made up of magnetic force positioning base, the brush holder support of the described brush of band that is arranged at the insulating support on this base and is installed on this insulating support.
Described time switch can be arranged on the magnetic force positioning base of described first brushgear, and a terminal of described time switch is connected with the brush of described first brushgear.Described time switch can select mechanical timer switch, electric timing switch etc.Time practical, described time switch is series at for control impuls power supply output time in pulse power output loop, and the timing of this time switch set according to the time to accessory blank turnery processing or the total time to semi-finished product ultrasonic impact roll extrusion after turning (single roll extrusion time x number).
The ultrasonic vibration frequency of described ultrasonic burnishing device is 15000-60000Hz, and amplitude of ultrasonic vibration is 5-50 μm.The radius of curvature 4-50mm of the milled head of described ultrasonic burnishing device, surface roughness is less than Ra0.05 μm, and hardness is greater than 60HRC.
The described pulse power provides the pulse current that frequency is 50-10000Hz, pulsewidth is 20-100 μ s.
The cylindrical accessories system of processing of this metal die is formed by Lathe Modification, and cost of investment is low.System can complete pulse current temper and the turnery processing of the accessory blank after quenching pretreatment continuously, and then carries out Electroplastic process and ultrasonic impact roll extrusion process to semi-finished product after turning simultaneously.Be applicable to the processing of the cylindrical accessories such as metal die guide pillar, pin, drift, guide pin bushing, thimble, the particularly processing of the cylindrical accessories of middle strength steel, high strength steel material (40Cr, GCr15), carburizing that electric pulse tempering instead of (20Cr class steel) such as traditional moulds guide pillars adds the treatment process of tempering to utilize surface hardening to add, and significantly reduces the production costs such as guide pillar blank.Greatly shorten the production cycle of the workpiece such as guide pillar through overtesting, working (machining) efficiency raising reaches 30%, and production cost reduces greatly.Under the prerequisite ensureing the original surface hardness of guide pillar, guide pillar top layer overall mechanical property, surface quality and surface smoothness have very big raising, and guide pillar wearability, corrosion resistance and fatigue life are effectively improved.
This system of processing adopts the brushgear of magnetic force location, can install (magnetic attraction) to lathe bed guide rail lateral surface, be arranged at the corresponding site such as additional iron plate, headstock, tailstock outside guide rail; Because the installation site of its brush holder support can up-down adjustment in the vertical elongated hole of insulating support, the angle (45-135 degree) of brush holder support and insulating support is adjustable, easy to adjust, can guarantee that the center line of brush and the axis of cylindrical accessories are in same plane, the reliable electric contact of both realizations.
Accompanying drawing explanation
Fig. 1 is that the utility model improves the partial schematic diagram of system of processing by lathe; Wherein, 11-ultrasonic burnishing equipment, 12-milled head, 21-main card dish, 22-vice card dish, 3-first brushgear, 3 '-the second brushgear, the 5-pulse power, the pretreated guide pillar blank of 4-surface induction hardening;
Fig. 2 be by native system process after GCr15 guide pillar and the guide post surface macro morphology processed of original grinding machine contrast schematic diagram;
Fig. 3 be by native system process after GCr15 guide pillar cross section along the firmness change schematic diagram in skin depth direction.
Detailed description of the invention
Below in conjunction with Fig. 1 and embodiment, the utility model is described further.
With reference to Fig. 1, the cylindrical accessories system of processing of embodiment metal die is formed by Lathe Modification.This system comprises:
Lathe, this lathe comprises main shaft, is installed on the main card dish 21 of this main shaft, tailstock and small slide plate etc.; The driven shaft of insulating mounting on described tailstock, the center line of this driven shaft overlaps with the center line of described main shaft; Be installed on the vice card dish 22 of described driven shaft one end, this vice card dish and described main card dish are for clamping a cylindrical accessories 4; With the first brushgear 3 and the second brushgear 3 ' of magnetic force location, both insulating mounting are on the lathe bed of lathe; The pulse power 5, one output (+end) is direct or be connected by the brush 3 of time switch with described first brushgear 3, another output (-end) directly connects the brush of described second brushgear 3 ', pulse current can be imported described cylindrical accessories 4 by this brush; There is the ultrasonic burnishing device 11 of milled head 12, for carrying out ultrasonic impact roll extrusion to the top layer of described cylindrical accessories 4; And the knife rest of insulating mounting on described small slide plate, this knife rest is provided with cutter and/or described ultrasonic burnishing device.
Wherein, described first brushgear 3 by magnetic force positioning base 31, be arranged at the insulating support 34 on this base and the brush holder support 35 of band brush 36 that is installed on this insulating support 34 forms.Described second brushgear 3 ' is identical with described first brushgear 3 structure.Described time switch can be arranged on the magnetic force positioning base 31 of described first brushgear,
Magnetic force positioning base 31 comprises pedestal, the permanent magnet (sign) be arranged in this pedestal, magnetic circuit are closed with iron plate with push away and turn round 33, promotes this and pushes away and turn round 33 this iron plate conjugate, realize closing or opening of this magnetic circuit to left or right.Described insulating support 34 has vertical elongated hole, and described brush holder support 35 is fastening through this vertical elongated hole thumb screw 32.
The installation site of described brush holder support can up-down adjustment in the vertical elongated hole of described insulating support, and described brush holder support extension elongation is also adjustable, and the angle of described brush holder support and described insulating support is adjustable, and this angle adjustable range is 45-135 degree.This design facilitates the selection of first, second brushgear installation site, can install (magnetic attraction) to lathe bed guide rail lateral surface, be arranged at the corresponding site such as additional iron plate, headstock, tailstock outside guide rail, and conveniently can regulate and guarantee to make the axis of the center line of described brush and described cylindrical accessories be in same plane, the reliable electric contact of both realizations.
Referring to Fig. 1, be that the guide pillar of raw material adopts above-mentioned processing method with GCr15, experiment effect and advantage are described in further details.
1, to Ф 15.1 × 150mm specification, reset condition be spheroidizing, original hardness is that the GCr15 raw material of 200HV0.1 carries out surface induction hardening process, induced-current 125A, frequency 10000Hz; Quenching rear surface hardness 600HV0.1.
2, first pretreated for surface induction hardening guide pillar blank 4 main card dish 21 and vice card dish 22 are clamped; Its output of the pulse power 5 (+end) is connected with the brush 36 of the first brushgear 3, the brush 36 ' of direct described second brushgear 3 ' of connection of another output (-end), regulate brush holder support position in first and second brushgear, direction make brush 36,36 ' respectively with guide pillar blank 4 two ends close contact; By ultrasonic burnishing device 11, Cutting tool installation manner on knife rest.
3, starting lathe drives guide pillar blank 4 to rotate with certain speed V1 by main shaft; Open the pulse power 5, apply pulse current by this brush 36,36 ' and carry out electric pulse tempering on described guide pillar blank 4; , gone by pretreatment GCr15 guide post surface oxide skin car, car forms guide pillar semi-finished product to Ф 15mm meanwhile.Workpiece rotational frequency 400rmin
-1(linear velocity V1=18.84mmin
-1), lathe amount of feeding 0.1mmr
-1(feed speed V2=40mmmin
-1); Pulse current parameter is frequency 500Hz, average current density 1.40Amm
-2, peak current density 9.60Amm
-2.
4, Electroplastic and ultrasonic burnishing surface Hardening Treatment are carried out to pretreatment GCr15 guide pillar: drive described guide pillar semi-finished product with 400rmin by main shaft
-1(linear velocity V1=18.84mmin
-1) rotate, apply pulse current further to described guide pillar semi-finished product; Then ultrasonic burnishing device 11 is started, milled head 12 is vibrated along perpendicular to the surperficial axial normal direction of guide pillar blank 4 with certain frequency frequency and amplitude, follow rest makes ultrasonic burnishing device 11 near guide pillar blank 4, makes ultrasonic burnishing head 12 be pressed on the surface of guide pillar blank 4 with certain pressure F; And with speed V2=40mmmin
-1(amount of feeding 0.1mmr
-1) mobile ultrasonic burnishing device 11 (upper slide rest drive), make it move axially along described guide pillar semi-finished product, surperficial ultrasonic burnishing processing is carried out to described guide pillar semi-finished product.Ultrasonic burnishing device 11 operating frequency 30000Hz, amplitude 15 μm, ultrasonic vibration rolling pressure head 12 stretch pressure F=1000N; Pulse current parameter is frequency 500Hz, average current density 1.40Amm
-2, peak current density 9.60Amm
-2, back and forth processing 3 times.
GCr15 guide pillar after processing records its surface smoothness Ra0.3 μm, compared with the guide pillar (Ra0.7 μm) processed with conventional grinding machine, surface quality has very big raising, Fig. 2 be by this method process after GCr15 guide pillar and the guide post surface macro morphology processed of original grinding machine contrast schematic diagram, top is the GCr15 guide pillar directly through sound point coupling processing after turning, is the GCr15 guide pillar through grinding machine processing below.Workpiece after processing Linear cut radially cross sectional slice, measure the radial firmness change along skin depth direction of sample with micro Vickers, added load 100g, protecting the lotus time is 15s.As shown in Figure 3, it is 150 μm that ultrasonic burnishing process affects layer thickness to the radial firmness change along skin depth direction of sample, surface hardness 670HV0.1 (about HRC58.5), suitable with traditional diamond-making technique hardness.Traditional diamond-making technique every root guide pillar 7min consuming time, the processing of the utility model every root guide pillar is consuming time within 5min, and working (machining) efficiency improves about 30%.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment, supplements or adopt similar replacement scheme to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (9)
1. a cylindrical accessories system of processing for metal die, is characterized in that, comprising:
Lathe, this lathe comprises main shaft, tailstock and the small slide plate of being with main card dish;
The driven shaft of insulating mounting on described tailstock;
Be installed on the vice card dish of described driven shaft one end, this vice card dish and described main card dish are for clamping a cylindrical accessories;
With the first brushgear and second brushgear of magnetic force location, both insulating mounting are on the lathe bed of lathe;
The pulse power, one output is direct or be connected by the brush of time switch with described first brushgear, and another output directly connects the brush of described second brushgear, pulse current can be imported described cylindrical accessories by this brush;
There is the ultrasonic burnishing device of milled head, for carrying out ultrasonic impact roll extrusion to the top layer of described cylindrical accessories; And,
The knife rest of insulating mounting on described small slide plate, this knife rest is provided with cutter and/or described ultrasonic burnishing device.
2. system according to claim 1, is characterized in that, the ultrasonic vibration frequency of described ultrasonic burnishing device is 15000-60000Hz, and amplitude of ultrasonic vibration is 5-50 μm.
3. system according to claim 1 and 2, is characterized in that, the radius of curvature 4-50mm of the milled head of described ultrasonic burnishing device, surface roughness is less than Ra0.05 μm, and hardness is greater than 60HRC.
4. system according to claim 1, is characterized in that, the described pulse power provides the pulse current that frequency is 50-10000Hz, pulsewidth is 20-100 μ s.
5. system according to claim 1, is characterized in that, described first brushgear is made up of magnetic force positioning base, the brush holder support of the described brush of band that is arranged at the insulating support on this base and is installed on this insulating support; Described second brushgear is identical with described first brushgear structure.
6. system according to claim 5, is characterized in that, described time switch is arranged on the magnetic force positioning base of described first brushgear, and a terminal of described time switch is connected with the brush of described first brushgear.
7. system according to claim 5, is characterized in that, described insulating support has vertical elongated hole, and described brush holder support is through this vertical elongated hole fastened by screw.
8. system according to claim 7, is characterized in that, the installation site of described brush holder support can in the vertical elongated hole of described insulating support up-down adjustment, the angle of described brush holder support and described insulating support is adjustable, and this angle adjustable range is 45-135 degree.
9. system according to claim 1 or 5, is characterized in that, first, second brushgear described by magnetic attraction to lathe bed guide rail lateral surface, be arranged at additional iron plate outside guide rail, headstock or tailstock corresponding site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520692938.4U CN205043423U (en) | 2015-09-08 | 2015-09-08 | Cylindrical accessory system of processing that metal die was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520692938.4U CN205043423U (en) | 2015-09-08 | 2015-09-08 | Cylindrical accessory system of processing that metal die was used |
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| Publication Number | Publication Date |
|---|---|
| CN205043423U true CN205043423U (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520692938.4U Expired - Fee Related CN205043423U (en) | 2015-09-08 | 2015-09-08 | Cylindrical accessory system of processing that metal die was used |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081700A (en) * | 2015-09-08 | 2015-11-25 | 清华大学深圳研究生院 | Cylindrical accessory machining method and system for metal mold |
| CN105817834A (en) * | 2016-05-19 | 2016-08-03 | 华南理工大学 | High-frequency pulse discharge assisted surface rolling strengthening processing device and method |
| CN108406224A (en) * | 2018-01-31 | 2018-08-17 | 华南理工大学 | A kind of high-frequency direct-current heating auxiliary roll processing device and its processing method |
| CN108480913A (en) * | 2018-06-15 | 2018-09-04 | 华东交通大学 | A kind of rolling of Multipurpose ultrasonic, impact device |
| CN109158829A (en) * | 2018-07-31 | 2019-01-08 | 清华大学深圳研究生院 | A kind of metal component optimization method and molding equipment based on increasing material technological forming |
| CN109719459A (en) * | 2019-02-25 | 2019-05-07 | 江苏福吉特管业有限公司 | A kind of surface rolling intensifying device and the method with its processing high pressure forging reducing pipe |
| CN112877524A (en) * | 2021-01-14 | 2021-06-01 | 上海交通大学 | Surface strengthening device and method for applying elastic stress field and pulse current field to metal workpiece and assisting ultrasonic rolling |
| CN112877517A (en) * | 2021-01-14 | 2021-06-01 | 上海交通大学 | Surface strengthening device and method for applying thermal field to metal workpiece and assisting ultrasonic rolling |
| CN112877523A (en) * | 2021-01-14 | 2021-06-01 | 上海交通大学 | Surface strengthening device and method for applying elastic stress field and pulse electromagnetic field to metal workpiece and assisting ultrasonic rolling |
| CN113427198A (en) * | 2021-05-27 | 2021-09-24 | 北京理工大学 | Pre-twisting ultrasonic rolling composite strengthening method for high-bearing shaft parts |
| CN114074245A (en) * | 2021-11-22 | 2022-02-22 | 武汉理工大学 | Ultrasonic deep rolling device for bearing rolling ring surface |
-
2015
- 2015-09-08 CN CN201520692938.4U patent/CN205043423U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105081700A (en) * | 2015-09-08 | 2015-11-25 | 清华大学深圳研究生院 | Cylindrical accessory machining method and system for metal mold |
| CN105081700B (en) * | 2015-09-08 | 2017-08-25 | 清华大学深圳研究生院 | The cylindrical accessories processing method and system of a kind of metal die |
| CN105817834A (en) * | 2016-05-19 | 2016-08-03 | 华南理工大学 | High-frequency pulse discharge assisted surface rolling strengthening processing device and method |
| CN105817834B (en) * | 2016-05-19 | 2018-01-05 | 华南理工大学 | Processing unit (plant) and method are strengthened in a kind of discharge-assisted surface rolling of high-frequency impulse |
| CN108406224A (en) * | 2018-01-31 | 2018-08-17 | 华南理工大学 | A kind of high-frequency direct-current heating auxiliary roll processing device and its processing method |
| CN108480913A (en) * | 2018-06-15 | 2018-09-04 | 华东交通大学 | A kind of rolling of Multipurpose ultrasonic, impact device |
| CN109158829A (en) * | 2018-07-31 | 2019-01-08 | 清华大学深圳研究生院 | A kind of metal component optimization method and molding equipment based on increasing material technological forming |
| CN109719459A (en) * | 2019-02-25 | 2019-05-07 | 江苏福吉特管业有限公司 | A kind of surface rolling intensifying device and the method with its processing high pressure forging reducing pipe |
| CN112877524A (en) * | 2021-01-14 | 2021-06-01 | 上海交通大学 | Surface strengthening device and method for applying elastic stress field and pulse current field to metal workpiece and assisting ultrasonic rolling |
| CN112877517A (en) * | 2021-01-14 | 2021-06-01 | 上海交通大学 | Surface strengthening device and method for applying thermal field to metal workpiece and assisting ultrasonic rolling |
| CN112877523A (en) * | 2021-01-14 | 2021-06-01 | 上海交通大学 | Surface strengthening device and method for applying elastic stress field and pulse electromagnetic field to metal workpiece and assisting ultrasonic rolling |
| CN112877524B (en) * | 2021-01-14 | 2022-05-27 | 上海交通大学 | Surface strengthening device and method for applying elastic stress field and pulse current field to metal workpiece and assisting ultrasonic rolling |
| CN112877523B (en) * | 2021-01-14 | 2022-05-27 | 上海交通大学 | Surface strengthening device and method for applying elastic stress field and pulse electromagnetic field to metal workpiece and assisting ultrasonic rolling |
| CN113427198A (en) * | 2021-05-27 | 2021-09-24 | 北京理工大学 | Pre-twisting ultrasonic rolling composite strengthening method for high-bearing shaft parts |
| CN114074245A (en) * | 2021-11-22 | 2022-02-22 | 武汉理工大学 | Ultrasonic deep rolling device for bearing rolling ring surface |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20190908 |
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