CN107763088A - A kind of Wimble tooth-like clutch assembly and its processing technology - Google Patents

A kind of Wimble tooth-like clutch assembly and its processing technology Download PDF

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Publication number
CN107763088A
CN107763088A CN201710911348.XA CN201710911348A CN107763088A CN 107763088 A CN107763088 A CN 107763088A CN 201710911348 A CN201710911348 A CN 201710911348A CN 107763088 A CN107763088 A CN 107763088A
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CN
China
Prior art keywords
tooth
clutch
wimble
adapter sleeve
worm shaft
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.)
Pending
Application number
CN201710911348.XA
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Chinese (zh)
Inventor
吕作宝
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.)
Yuhuan Run Hao Machinery Co Ltd
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Yuhuan Run Hao Machinery Co 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.)
Filing date
Publication date
Application filed by Yuhuan Run Hao Machinery Co Ltd filed Critical Yuhuan Run Hao Machinery Co Ltd
Priority to CN201710911348.XA priority Critical patent/CN107763088A/en
Publication of CN107763088A publication Critical patent/CN107763088A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D11/00Clutches in which the members have interengaging parts
    • F16D11/14Clutches in which the members have interengaging parts with clutching members movable only axially
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00Extruding metal; Impact extrusion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

The invention discloses a kind of Wimble tooth-like clutch assembly, it is separate structure that a kind of worm shaft, which is aimed to provide, with outer Wimble tooth-like clutch, and Wimble tooth-like clutch assembly easy to process, its drip irrigation device is a kind of Wimble tooth-like clutch assembly, including worm shaft, also include the interior Wimble tooth-like clutch being sheathed on worm shaft, the outer Wimble tooth-like clutch being detachably connected with worm shaft, interior Wimble tooth-like clutch is axially flexibly connected with worm shaft, and interior Wimble tooth-like clutch is adapted to outer Wimble tooth-like clutch, the present invention is applied to automobile brake technology technical field.

Description

A kind of Wimble tooth-like clutch assembly and its processing technology
Technical field
The present invention relates to a kind of automobile brake technical field, more specifically, it relates to a kind of Wimble tooth-like clutch assembly and Its processing technology.
Background technology
In vehicle traveling process, due to continually using brake vehicle, between brake drum and friction plate just Often abrasion makes gap to become larger, and causes braking retardation, and braking time extends;Especially when the brake clearance of each brake drum When inconsistent, the brake side-slipping that occurs when vehicle is braked, phenomena such as breakking away, some hidden danger are brought for traffic safety.
At present, using arm for automatically regulating clearance of brake, the brake clearance of increase can be adjusted between normal brake application at any time In the range of gap, Wimble tooth-like clutch assembly is the mechanism part in arm for automatically regulating clearance of brake, and traditional Wimble tooth-like clutch is total It is into structure:Outer Wimble tooth-like clutch and worm shaft integrally connected, i.e., directly processed in worm shaft side by modes such as millings Outer cone tooth, due to also to process the thread for being adapted to turbine on worm shaft, and thread and outer cone tooth be required to it is higher Machining accuracy, if one of which processing is unqualified, whole worm screw can be caused unqualified, processing request is high, and traditional milling Mode, low production efficiency, in addition in use, outer cone tooth or thread any one produce abrasion and will result in whole Worm screw is scrapped, it is necessary to which whole replacement, cost are higher.
The content of the invention
In view of the deficienciess of the prior art, it is an object of the invention to provide a kind of worm shaft and outer Wimble tooth-like clutch to be Separate structure, and Wimble tooth-like clutch assembly easy to process.
To achieve the above object, the invention provides following technical scheme:A kind of Wimble tooth-like clutch assembly, including worm screw Axle, it is characterized in that:Also include the interior Wimble tooth-like clutch being sheathed on worm shaft, the outer cone tooth clutch being detachably connected with worm shaft Device, interior Wimble tooth-like clutch is axially flexibly connected with worm shaft, and interior Wimble tooth-like clutch is adapted to outer Wimble tooth-like clutch.
The present invention is further arranged to:The outer Wimble tooth-like clutch includes the first adapter sleeve and is placed in first adapter sleeve one end The first engaging piece, the first adapter sleeve is provided with the internal thread hole that be threadedly coupled with worm shaft, and the first engaging piece is towards the first company The side of female connector is provided with outer cone tooth.
The present invention is further arranged to:First engaging piece is provided with positioning hole.
The present invention is further arranged to:The connection end of first engaging piece and the first adapter sleeve is provided with reinforcing ring.
The present invention is further arranged to:The interior Wimble tooth-like clutch includes the second adapter sleeve being sheathed on worm shaft and put The second engaging piece in second adapter sleeve one end, the second engaging piece is provided with away from the side of the second adapter sleeve to be used for and outer cone tooth The inner cone tooth of engagement.
The present invention is further arranged to:Second adapter sleeve includes the first through hole being adapted to worm shaft and first and connected Second through hole of female connector periphery wall adaptation.
The present invention is further arranged to:The cone angle of the outer cone tooth and inner cone tooth is 45 degree.
A kind of processing technology of Wimble tooth-like clutch assembly, it is characterized in that:The outer Wimble tooth-like clutch and interior Wimble tooth-like clutch Processing technology comprise the following steps:
First, stock up;
2nd, anneal:Carry out spheroidizing processing;
3rd, cold forging:Raw material is placed in cold forging die and is forged into blank;
4th, phospholeum:Blank is first put into phosphating solution phosphorating treatment, then blank is put into saponification liquor saponification process;
5th, cold extrusion:Blank is fixed in lower mould, applied by fixed on forcing press and with cone tooth upper mould to blank Pressure, workpiece is made;
6th, turnery processing:Turning, drilling finishing are carried out to workpiece;
6th, burr is repaired;
7th, nitriding:Gas nitriding processing is carried out to workpiece.
By using above-mentioned technical proposal, worm shaft and outer Wimble tooth-like clutch are separate structure, if one of part Abrasion or damage, then the part of abrasion or damage need to be only changed, cost declines, and the processing essence of worm shaft and outer Wimble tooth-like clutch Degree can control respectively, be easy to process, and improve machining accuracy;The outer cone tooth of outer Wimble tooth-like clutch and the inner cone tooth of interior Wimble tooth-like clutch Using cold extrusion shaped, the resistance of deformation of outer cone tooth and inner cone tooth is big, formed precision is high, production efficiency is high, saves material.
Brief description of the drawings
Fig. 1 is a kind of structural representation of Wimble tooth-like clutch assembly embodiment of the present invention.
Fig. 2 is a kind of structural representation of Wimble tooth-like clutch assembly embodiment China and foreign countries of the invention Wimble tooth-like clutch.
Fig. 3 is the left view structural representation of Fig. 2 in a kind of Wimble tooth-like clutch assembly embodiment of the present invention.
Fig. 4 is the structural representation of interior Wimble tooth-like clutch in a kind of Wimble tooth-like clutch assembly embodiment of the present invention.
Embodiment
It is described further referring to figs. 1 to a kind of Wimble tooth-like clutch assembly embodiment of 4 couples of present invention.
As shown in figure 1, a kind of Wimble tooth-like clutch assembly, including worm shaft 1, in addition to the inner cone being sheathed on worm shaft 1 Tooth-like clutch 3, the outer Wimble tooth-like clutch 2 being detachably connected with worm shaft 1, axially activity connects interior Wimble tooth-like clutch 3 with worm shaft 1 Connect, and interior Wimble tooth-like clutch 3 is adapted to outer Wimble tooth-like clutch 2.
Worm shaft 1 and outer Wimble tooth-like clutch 2 are separate structure, if one of component wear or damage, are only needed more The part of abrasion or damage is changed, cost declines, and the machining accuracy of worm shaft 1 and outer Wimble tooth-like clutch 2 can control respectively, be easy to Processing, machining accuracy is improved, transmission accuracy can be improved.
As Figure 2-3, the outer Wimble tooth-like clutch 2 includes the first adapter sleeve 21 and is placed in the one end of the first adapter sleeve 21 First engaging piece 22, the first adapter sleeve 21 are provided with the internal thread hole 23 being threadedly coupled with worm shaft 1, the direction of the first engaging piece 22 The side of first adapter sleeve 21 is provided with outer cone tooth 24, and the first adapter sleeve 21 is fixed on worm shaft 1 by internal thread hole 23, and just In dismounting, outer cone tooth 24 is used to engage with interior Wimble tooth-like clutch 3.
First engaging piece 22 is provided with positioning hole 25, and positioning hole 25 is two and symmetrically set with the axle center of internal thread hole 23 Put, play a part of being located by connecting.
The connection end of the adapter sleeve 21 of first engaging piece 22 and first is provided with reinforcing ring 26, and reinforcing ring 26 can disperse First engaging piece 22 and the stress of the connection end of the first adapter sleeve 21, improve the company between the first engaging piece 22 and the first adapter sleeve 21 Connect intensity.
As shown in figure 4, the interior Wimble tooth-like clutch 3 includes the second adapter sleeve 31 being sheathed on worm shaft 1 and is placed in the Second engaging piece 32 of the one end of two adapter sleeve 31, the second engaging piece 32 away from the second adapter sleeve 31 side be provided be used for it is outer The inner cone tooth 33 that tooth 24 engages is bored, the second adapter sleeve 31, which is placed on worm shaft 1, realizes axial movement, inner cone tooth 33 and outer cone tooth 24 Face, realize engagement or separation.
First through hole 34 that second adapter sleeve 31 includes being adapted to worm shaft 1, fit with the periphery wall of the first adapter sleeve 21 The second through hole 35 matched somebody with somebody, the second adapter sleeve 31 are placed on by first through hole 34 on the periphery wall of worm shaft 1, and realization slides axially, Second adapter sleeve 31 can be placed on the periphery wall of the first adapter sleeve 21 by the second through hole 35, avoid the first adapter sleeve 21 and second Produce and touch between adapter sleeve 31, it is ensured that the first adapter sleeve 21 can produce stable slip, realize the first engaging piece 22 and the The engagement or separation of two engaging pieces 32.
The cone angle D of the outer cone tooth 24 and inner cone tooth 33 is 45 degree, and 45 degree are preferred value, make outer cone tooth 24 and inner cone tooth 33 are more uniformly stressed, and transmission accuracy is higher, and outer cone tooth 24 and inner cone tooth 33 include some teeth, and teeth include being placed in The side wall of teeth both sides, the angle between same teeth two side is preferably 113 degree, and the angle between adjacent two teeth side wall is excellent Elect 110 degree as, now stress intensity is high, not easy to wear, transmission accuracy is good.
Worm shaft 1 is made by conventional machining process, and the processing technology of interior Wimble tooth-like clutch 3 and outer Wimble tooth-like clutch 2 is wrapped Include following steps:
First, stock up:Forging material is preferably 20CrMnTi;
2nd, anneal;Forging is expected to carry out spheroidizing processing, furnace temperature is first risen to 840 DEG C~880 DEG C, after being incubated 3~4 hours, with Stove cools down, and cooling velocity is less than 20 DEG C/h, is come out of the stove when temperature is less than 500 DEG C, then natural cooling;
3rd, cold forging:Raw material is placed in cold forging die, external structure is forged, is forged into blank;
4th, phospholeum:Blank is first put into phosphorating treatment in phosphating solution, places into saponification process in saponification liquor;
5th, cold extrusion:Blank is fixed in lower mould, applied by fixed on forcing press and with cone tooth upper mould to blank Pressure, workpiece is made;
6th, turnery processing:The finishing steps such as appearance facing, drilling, chamfering are carried out to workpiece;
6th, burr is repaired;
7th, nitriding:Gas nitriding processing is carried out to workpiece;
8th, assemble:By worm shaft 1, interior Wimble tooth-like clutch 3 and the assembled formation of outer Wimble tooth-like clutch 2.
20CrMnTi carburizing steel has higher low-temperature impact toughness, good processability, machining deformation small, antifatigue The features such as performance is good;Being handled by spheroidizing reduces the hardness of forging material, is easy to cold-forge forming;By phosphorus saponification process, to hair Embryo plays a part of antifriction lubrication, is easy to cold extrusion shaped, improves formed precision;Handled by gas nitriding, improve workpiece Case hardness and its wearability.
The specific process of wherein phospholeum is:
(One)Oil removing degreasing:The component of degreaser is calculated as soda ash 18g/L, skimmed milk 12g/L by weight, and temperature is 65 degree, is taken off The fat time is 5 minutes;
(Two)Once wash;
(Three)Phosphatization:The component of degreaser is calculated as phosphoric acid 20g/L, the g/L of zinc nitrate 20, the g/L of calcium nitrate 0.5 by weight , the g/L of zinc oxide 2.5, the g/L of oxalic acid 2, the g/L of nickel nitrate 0.5, obtained General Acidity in Phosphating Solution is 40-45 points, dissociate Acidity is 4-6 points, and phosphatization temperature is 30 degree, and phosphating time is 8 minutes;
(Four)Secondary washing;
(Five)Saponification:The component of degreaser is calculated as stearic acid 30g/L, sodium hydroxide 3g/L, soda ash 1.5g/L, lubrication by weight Agent 15g/L, pH value 8-8.5, temperature are 60 degree, and saponification time is 12 minutes;
(Six)Drying;
Pickling is not required to during above-mentioned phospholeum, spent acid discharges after pickling-free, energy-conserving and environment-protective;Pass through above-mentioned phosphating solution and phosphorous chemical industry Skill handled after alloy steel material, its alramenting thickness and careful, salt spray test is the 2- of conventional phosphatizing up to 30h 3 times;And parkerized time is short, suitable for automatic production line operation;Cr, Mn element can be eliminated in parkerizing process simultaneously In influence to phosphating reaction so that phosphatization effect is more preferable;Alloy after being handled by above-mentioned saponification liquor and saponification process Steel material, the abrasion for effectively avoiding mould, the machining accuracy for ensureing workpiece, the rust-proof life for extending material.
The outer cone tooth 24 of outer Wimble tooth-like clutch 2 and the inner cone tooth 33 of interior Wimble tooth-like clutch 3 use cold extrusion shaped, outer cone The resistance of deformation of tooth 24 and inner cone tooth 33 is big, formed precision is high, production efficiency is high, saves material.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, those skilled in the art exists Common variations and alternatives are carried out in the range of technical solution of the present invention should all include within the scope of the present invention.

Claims (8)

1. a kind of Wimble tooth-like clutch assembly, including worm shaft(1), it is characterized in that:Also include being sheathed on worm shaft(1)On inner cone Tooth-like clutch(3)With worm shaft(1)The outer Wimble tooth-like clutch being detachably connected(2), interior Wimble tooth-like clutch(3)With worm shaft(1) Axially it is flexibly connected, and interior Wimble tooth-like clutch(3)With outer Wimble tooth-like clutch(2)Adaptation.
2. a kind of Wimble tooth-like clutch assembly according to claim 1, it is characterized in that:The outer Wimble tooth-like clutch(2)Including First adapter sleeve(21)Be placed in the first adapter sleeve(21)First engaging piece of one end(22), the first adapter sleeve(21)Be provided with Worm shaft(1)The internal thread hole of threaded connection(23), the first engaging piece(22)Towards the first adapter sleeve(21)Side be provided with it is outer Bore tooth(24).
3. a kind of Wimble tooth-like clutch assembly according to claim 1, it is characterized in that:First engaging piece(22)It is provided with Positioning hole(25).
4. a kind of Wimble tooth-like clutch assembly according to claim 1, it is characterized in that:First engaging piece(22)With first Adapter sleeve(21)Connection end be provided with reinforcing ring(26).
5. a kind of Wimble tooth-like clutch assembly according to claim 2, it is characterized in that:The interior Wimble tooth-like clutch(3)Including It is sheathed on worm shaft(1)The second adapter sleeve(31)Be placed in the second adapter sleeve(31)Second engaging piece of one end(32), second Engaging piece(32)Away from the second adapter sleeve(31)Side be provided be used for and outer cone tooth(24)The inner cone tooth of engagement(33).
6. a kind of Wimble tooth-like clutch assembly according to claim 5, it is characterized in that:Second adapter sleeve(31)Including with Worm shaft(1)The first through hole of adaptation(34)And the first adapter sleeve(21)Second through hole of periphery wall adaptation(35).
7. a kind of Wimble tooth-like clutch assembly according to claim 5, it is characterized in that:The outer cone tooth(24)With inner cone tooth (33)Cone angle be 45 degree.
8. a kind of processing technology for being applicable above-mentioned Wimble tooth-like clutch assembly, it is characterized in that:The outer Wimble tooth-like clutch and inner cone tooth The processing technology of clutch comprises the following steps:
First, stock up;
2nd, anneal:Carry out spheroidizing processing;
3rd, cold forging:Raw material is placed in cold forging die and is forged into blank;
4th, phospholeum:Blank is first put into phosphating solution phosphorating treatment, then blank is put into saponification liquor saponification process;
5th, cold extrusion:Blank is fixed in lower mould, applied by fixed on forcing press and with cone tooth upper mould to blank Pressure, workpiece is made;
6th, turnery processing:Turning, drilling finishing are carried out to workpiece;
6th, burr is repaired;
7th, nitriding:Gas nitriding processing is carried out to workpiece.
CN201710911348.XA 2017-09-29 2017-09-29 A kind of Wimble tooth-like clutch assembly and its processing technology Pending CN107763088A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710911348.XA CN107763088A (en) 2017-09-29 2017-09-29 A kind of Wimble tooth-like clutch assembly and its processing technology

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Application Number Priority Date Filing Date Title
CN201710911348.XA CN107763088A (en) 2017-09-29 2017-09-29 A kind of Wimble tooth-like clutch assembly and its processing technology

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CN107763088A true CN107763088A (en) 2018-03-06

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5718774A (en) * 1995-07-27 1998-02-17 Nissan Motor Co., Ltd. Method of producing bevel gear
CN2611680Y (en) * 2003-04-16 2004-04-14 重庆市安泉汽车制动元件制造有限公司 Auto regulation arm for automobile brake gap
CN102430692A (en) * 2011-10-19 2012-05-02 浙江工业大学 Cold precision forging process for bevel gear and mould thereof
CN102896167A (en) * 2012-08-30 2013-01-30 镇江中虎弹簧有限公司 Worm bevel gear cold forging manufacturing process
CN104646956A (en) * 2014-12-29 2015-05-27 宁波市北仑区环港机械厂 Process for machining ball cage bell-like shell
CN105605156A (en) * 2016-03-22 2016-05-25 湖南工业大学 Worm drive mechanism with overload protection function
CN106623744A (en) * 2016-12-29 2017-05-10 兴化市鑫翔机械有限公司 Cold-temperature extrusion preparation technology of 31-tooth sliding engaging sleeve engaging teeth
CN207634553U (en) * 2017-09-29 2018-07-20 玉环市润浩机械有限公司 A kind of Wimble tooth-like clutch assembly

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5718774A (en) * 1995-07-27 1998-02-17 Nissan Motor Co., Ltd. Method of producing bevel gear
CN2611680Y (en) * 2003-04-16 2004-04-14 重庆市安泉汽车制动元件制造有限公司 Auto regulation arm for automobile brake gap
CN102430692A (en) * 2011-10-19 2012-05-02 浙江工业大学 Cold precision forging process for bevel gear and mould thereof
CN102896167A (en) * 2012-08-30 2013-01-30 镇江中虎弹簧有限公司 Worm bevel gear cold forging manufacturing process
CN104646956A (en) * 2014-12-29 2015-05-27 宁波市北仑区环港机械厂 Process for machining ball cage bell-like shell
CN105605156A (en) * 2016-03-22 2016-05-25 湖南工业大学 Worm drive mechanism with overload protection function
CN106623744A (en) * 2016-12-29 2017-05-10 兴化市鑫翔机械有限公司 Cold-temperature extrusion preparation technology of 31-tooth sliding engaging sleeve engaging teeth
CN207634553U (en) * 2017-09-29 2018-07-20 玉环市润浩机械有限公司 A kind of Wimble tooth-like clutch assembly

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