CN112522495A - Bolt for shock absorber and production process thereof - Google Patents

Bolt for shock absorber and production process thereof Download PDF

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Publication number
CN112522495A
CN112522495A CN202011406042.7A CN202011406042A CN112522495A CN 112522495 A CN112522495 A CN 112522495A CN 202011406042 A CN202011406042 A CN 202011406042A CN 112522495 A CN112522495 A CN 112522495A
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CN
China
Prior art keywords
shock absorber
cylindrical body
bolt
cylinder body
flange
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
CN202011406042.7A
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Chinese (zh)
Inventor
俞义兵
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.)
Nanjing Bojiali Intelligent Manufacturing Technology Co ltd
Original Assignee
Nanjing Bojiali Intelligent Manufacturing Technology 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 Nanjing Bojiali Intelligent Manufacturing Technology Co ltd filed Critical Nanjing Bojiali Intelligent Manufacturing Technology Co ltd
Priority to CN202011406042.7A priority Critical patent/CN112522495A/en
Publication of CN112522495A publication Critical patent/CN112522495A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/02Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/14Dies
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18Hardening; Quenching with or without subsequent tempering
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/06Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
    • 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
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B19/00Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/002Resiliently deformable pins
    • F16B19/004Resiliently deformable pins made in one piece
    • 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
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B19/00Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/02Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
    • 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
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Acoustics & Sound (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

The invention discloses a bolt for a shock absorber, which comprises a cylindrical body, wherein a first flange and a second flange are respectively arranged at two ends of the cylindrical body, a slit is arranged on the cylindrical body in the axial direction, a convex block is arranged on one side of the cylindrical body at two sides of the slit, a groove matched with the convex block is arranged on the other side of the cylindrical body, the convex block deviates from the groove when the cylindrical body is in an initial state, and the convex block is clamped into the groove when the cylindrical body is in a working stress state. The invention adopts a special die, improves the production efficiency, improves the original six procedures of blanking, pre-bending, forming, rolling, reshaping and reshaping into direct punch forming, and ensures that the daily capacity of each machine tool can reach sixty thousand.

Description

Bolt for shock absorber and production process thereof
Technical Field
The invention relates to the field of bolt production, in particular to a bolt for a shock absorber and a production process thereof.
Background
When the roller washing machine is used, the vibration is large, large noise can be generated, the shock absorber can be installed on most of the roller washing machines at present, the connection position of the shock absorber and the installation seat is connected through a pin shaft, but the pin shaft on the market is generally a plastic piece or a metal piece at present, hardness and elasticity cannot be taken into consideration, the working time of the shock absorber is prolonged, and the connection position of the shock absorber and the installation seat is easy to damage, so that noise pollution is caused.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to solve the technical problem of the prior art and provides a bolt for a shock absorber and a production process thereof.
In order to solve the technical problem, the invention discloses a bolt for a shock absorber, which comprises a cylindrical body, wherein a first flange and a second flange are respectively arranged at two ends of the cylindrical body, a slit is axially arranged on the cylindrical body, a convex block is arranged on one side of the cylindrical body at two sides of the slit, a groove matched with the convex block is arranged on the other side of the cylindrical body, the convex block deviates from the groove when the cylindrical body is in an initial state, and the convex block is clamped into the groove when the cylindrical body is in a working stress state.
In the invention, the first flange and the second flange are both in circular arc structures.
In the invention, one end of the cylindrical body is provided with a first edge bump and a first edge groove, and the other end of the cylindrical body is provided with a second edge bump and a second edge groove.
In the invention, the cylindrical body is made of manganese steel material.
The invention also discloses a production process of the bolt for the shock absorber, which comprises the following steps:
step 1: punching and forming the manganese steel raw material;
step 2: carrying out heat treatment on the bolt formed in the step 1 to enable HRC to reach 40-43;
and step 3: and (3) carrying out surface treatment on the plug pin obtained in the step (2).
In the invention, the step 1 specifically comprises the steps of pushing the manganese steel raw material on the coiling machine onto a die of a punch press by using a motor, and punching and forming and blanking the manganese steel raw material by using the punch press and the die.
In the invention, the heat treatment in the step 2 is carried out in a mesh belt quenching furnace.
In the invention, the surface treatment in the step 3 is normal-temperature blackening treatment, which comprises cleaning, degreasing, washing, acid washing and washing again.
Has the advantages that: the invention adopts a special die, improves the production efficiency, improves the original six procedures of blanking, pre-bending, forming, rolling, reshaping and reshaping into direct punch forming, and ensures that the daily capacity of each machine tool can reach sixty thousand.
Meanwhile, the bolt disclosed by the invention is good in elasticity and high in hardness, can be suitable for long-time work of high-frequency vibration of the shock absorber, and is not bent and dislocated.
Drawings
The foregoing and/or other advantages of the invention will become further apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic view of a latch construction;
FIG. 2 is a schematic view of a mold upper die set;
FIG. 3 is a schematic view of the upper backing plate of the mold;
FIG. 4 is a schematic view of the clamp plate on the mold;
FIG. 5 is a schematic view of a mold stop plate;
FIG. 6 is a schematic drawing of the upper stripper plate of the mold;
FIG. 7 is a schematic view of the lower die plate of the die;
FIG. 8 is a schematic view of a lower die backing plate;
FIG. 9 is a schematic view of the lower die holder of the die.
Detailed Description
As shown in fig. 1, the present embodiment provides a plug for a shock absorber, which includes a cylindrical body 1, a first flange 2, a second flange 3, a slit 4, a protrusion 5, a groove 6, a first edge protrusion 7, a second edge groove 8, a second edge protrusion 9, and a second edge groove 10;
as shown in fig. 2-9, which are schematic views of a mold, an upper mold base, an upper backing plate, an upper clamp plate, a stop plate, an upper stripper plate, a lower mold plate, a lower backing plate, and a lower mold base are assembled in sequence from top to bottom for punch forming. The die is provided with die cavities which are sequentially arranged from left to right, the manganese steel plate is pushed to the right side of the die from the left side of the die by a coiling machine through a motor, a station is pushed each time, a punching machine punches the die once, and the rightmost side of the die is a blanking cavity.
Specifically, the bolt includes cylinder body 1, cylinder body both ends are equipped with first flange 2 and second flange 3 respectively, are equipped with one on the 1 axial of cylinder body and crack 4, crack 4 both sides cylinder body on one side be equipped with lug 5, the opposite side be equipped with the recess 6 of lug 5 adaptation, cylinder body when initial condition, lug 5 deviates from recess 6, cylinder body when the work stress state, lug 5 card goes into recess 6.
In the present embodiment, the first flange 2 and the second flange 3 are both circular arc structures.
In this embodiment, one end of the cylindrical body is provided with a first edge protrusion 7 and a first edge groove 8, and the other end is provided with a second edge protrusion 9 and a second edge groove 10.
In this embodiment, the cylindrical body is made of 65 manganese steel.
The production process of the plug for the shock absorber comprises the following steps of:
step 1: punching and forming the manganese steel raw material;
step 2: carrying out heat treatment on the bolt molded in the step 1 to enable the HRC hardness to reach 40-43;
and step 3: and (3) carrying out surface treatment on the plug pin obtained in the step (2).
The step 1 specifically comprises the steps of pushing the manganese steel raw material on the coiling machine to a die of a punch press by using a motor, and punching and forming and blanking the manganese steel raw material by using the punch press and the die.
And step 2, the heat treatment is carried out in a mesh belt quenching furnace.
The surface treatment in the step 3 is normal-temperature blackening treatment, and comprises cleaning, degreasing, washing, acid washing and washing again.
The bolt of this embodiment, when production, utilize the motor propelling movement to the mould of punch press with the manganese steel raw materials, utilize punch press and mould to make manganese steel raw materials stamping forming and blanking, then carry out thermal treatment and normal atmospheric temperature blacking with the bolt and handle, promote its hardness and elasticity.
This bolt is when installation use, place the spacer ring respectively with the axle sleeve both sides of bumper shock absorber tip, make the bumper shock absorber axle sleeve, the shaft hole of spacer ring and mount pad is placed with one heart, then utilize external force to go into the lug 5 card of this bolt recess 6, make the crack 4 disappear, reduce the diameter, make the bolt pass the mount pad shaft hole in proper order, spacer ring and bumper shock absorber axle sleeve, first edge lug 7, second edge recess 8 is located the mount pad both sides respectively, be used for spacing, prevent axial displacement, after removing external force, the bolt is under self elasticity, revert to initial condition, lug 5 deviates from recess 6, the crack appears, under elasticity, chucking mount pad shaft hole, spacer ring and bumper shock absorber axle sleeve, when the periodic work application of force of shock absorber, the crack of bolt can be closed, the impact force of bumper shock absorber, the life-span of buffer life-span of improving the device use.
The present invention provides a pin for shock absorber and the method and idea of the production process thereof, and the method and way for implementing the technical solution are many, and the above description is only the preferred embodiment of the present invention, it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.

Claims (8)

1. The utility model provides a bolt for bumper shock absorber, its characterized in that, includes the cylinder body, cylinder body both ends are equipped with first flange and second flange respectively, are equipped with one on the cylinder body axial and crack, and one side is equipped with the lug on the cylinder body of both sides of cracking, and the opposite side is equipped with the recess with the lug adaptation, and the cylinder body is when initial state, and the lug deviates from the recess, and the cylinder body is when the work stress state, and the recess is gone into to the lug card.
2. The latch for a shock absorber according to claim 1, wherein the first flange and the second flange are each of circular arc configuration.
3. The latch for a shock absorber according to claim 1, wherein one end of said cylindrical body is provided with a first edge projection and a first edge groove, and the other end is provided with a second edge projection and a second edge groove.
4. The plug for a shock absorber as set forth in claim 1, wherein said cylindrical body is made of manganese steel material.
5. A production process of a bolt for a shock absorber is characterized by comprising the following steps:
step 1: punching and forming the manganese steel raw material;
step 2: carrying out heat treatment on the bolt formed in the step 1 to enable HRC to reach 40-43;
and step 3: and (3) carrying out surface treatment on the plug pin obtained in the step (2).
6. The production process of the bolt for the shock absorber as claimed in claim 5, wherein the step 1 is specifically that the manganese steel raw material on the coiling machine is pushed to a die of a punching machine by using a motor, and the manganese steel raw material is punched and formed and is blanked by using the punching machine and the die.
7. The process for producing a damper plug according to claim 5, wherein the heat treatment in the step 2 is carried out in a mesh belt quenching furnace.
8. The process for producing the plug pin for the shock absorber as claimed in claim 5, wherein the surface treatment in step 3 is a normal temperature blackening treatment comprising washing, degreasing, washing with water, pickling and washing with water again.
CN202011406042.7A 2020-12-04 2020-12-04 Bolt for shock absorber and production process thereof Pending CN112522495A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011406042.7A CN112522495A (en) 2020-12-04 2020-12-04 Bolt for shock absorber and production process thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011406042.7A CN112522495A (en) 2020-12-04 2020-12-04 Bolt for shock absorber and production process thereof

Publications (1)

Publication Number Publication Date
CN112522495A true CN112522495A (en) 2021-03-19

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1730782A (en) * 2004-08-06 2006-02-08 乐金电子(天津)电器有限公司 Vibration damper assembling structure of drum washing machine
CN101315094A (en) * 2007-06-01 2008-12-03 深圳富泰宏精密工业有限公司 Positioning pin
CN104421280A (en) * 2013-08-29 2015-03-18 天津益青浩宇精密模具有限公司 Cylindrical locating pin
CN205136286U (en) * 2015-10-20 2016-04-06 龚淇 Positioning pin
CN105937134A (en) * 2016-06-23 2016-09-14 无锡市国松环保机械有限公司 Washing machine fixing base capable of reducing vibration
CN107906102A (en) * 2017-12-19 2018-04-13 上海球明标准件有限公司 Super-elastic metal for two assembly parts to be linked together connects alligator
CN208123199U (en) * 2018-03-07 2018-11-20 上海群力紧固件制造有限公司 A kind of pin shaft
CN208330938U (en) * 2018-06-11 2019-01-04 四川省达州钢铁集团有限责任公司 A kind of pin shaft with trapped fuel groove
CN110259789A (en) * 2019-06-28 2019-09-20 马仲瑜 One bulb mouth resilient key and its production method
CN110924071A (en) * 2019-11-21 2020-03-27 珠海格力电器股份有限公司 Bolt device, damper, mounting mode of damper and drum washing machine

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1730782A (en) * 2004-08-06 2006-02-08 乐金电子(天津)电器有限公司 Vibration damper assembling structure of drum washing machine
CN101315094A (en) * 2007-06-01 2008-12-03 深圳富泰宏精密工业有限公司 Positioning pin
CN104421280A (en) * 2013-08-29 2015-03-18 天津益青浩宇精密模具有限公司 Cylindrical locating pin
CN205136286U (en) * 2015-10-20 2016-04-06 龚淇 Positioning pin
CN105937134A (en) * 2016-06-23 2016-09-14 无锡市国松环保机械有限公司 Washing machine fixing base capable of reducing vibration
CN107906102A (en) * 2017-12-19 2018-04-13 上海球明标准件有限公司 Super-elastic metal for two assembly parts to be linked together connects alligator
CN208123199U (en) * 2018-03-07 2018-11-20 上海群力紧固件制造有限公司 A kind of pin shaft
CN208330938U (en) * 2018-06-11 2019-01-04 四川省达州钢铁集团有限责任公司 A kind of pin shaft with trapped fuel groove
CN110259789A (en) * 2019-06-28 2019-09-20 马仲瑜 One bulb mouth resilient key and its production method
CN110924071A (en) * 2019-11-21 2020-03-27 珠海格力电器股份有限公司 Bolt device, damper, mounting mode of damper and drum washing machine

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Application publication date: 20210319

RJ01 Rejection of invention patent application after publication