CN103343210B - Method for performing heat treatment by virtue of frame heat treatment rack - Google Patents
Method for performing heat treatment by virtue of frame heat treatment rack Download PDFInfo
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- CN103343210B CN103343210B CN201310293422.8A CN201310293422A CN103343210B CN 103343210 B CN103343210 B CN 103343210B CN 201310293422 A CN201310293422 A CN 201310293422A CN 103343210 B CN103343210 B CN 103343210B
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- vehicle frame
- frame
- thermal treatment
- heat treatment
- heat
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Abstract
The invention discloses a method for performing heat treatment by virtue of a frame heat treatment rack. The frame heat treatment rack comprises a base and a bearing rack, wherein more than one group of frame hanging devices are arranged on the bearing rack; each frame hanging device comprises two hanging transverse beams up and down; hanging rods, which extend to two sides, are arranged on the hanging transverse beams. The method for performing heat treatment by virtue of the frame heat treatment rack comprises the following steps of: hanging a claw of a frame on the hanging rods, so that a head tube is positioned below the claw; controlling the frame heat treatment rack and the frame to move downwards into a cooling pool; and sequentially contacting with running water from the head tube to the claw in the cooling process. According to the heat treatment method, running water is used for cooling, quenching liquid is not required to be added, the problem of environmental pollution is solved, the heat treatment cost is reduced, and the technical problem that deformation is easily caused during cooling is solved.
Description
Technical field
The present invention relates to the method that vehicle frame is heat-treated.
Background technology
T4 thermal treatment refers to that alloy is heated to high temperature single phase region constant temperature to be kept, and makes surplus fully be dissolved into cooling fast after in sosoloid mutually, to obtain the thermal treatment process of supersaturated solid solution.For cycle frame, in order to improve the heat treatment efficiency of T4, existing T4 heat treatment process plugs in thermal treatment frame by the head tube of cycle frame, thermal treatment frame and cycle frame together enter into heat treatment furnace to carry out heating, being incubated, and then thermal treatment frame and cycle frame together enter in cooling fluid and carry out rapid cooling; In process of cooling, the back vent part of cycle frame is introduced in cooling fluid, enter in cooling fluid after upper pipe, lower pipe and head tube, cycle frame will be caused like this to be out of shape serious, in order to overcome the technical problem of distortion, then in cooling fluid, add hardening liquid, and hardening liquid is a kind of oily matter, can environmental pollution be caused after discharge, also can increase heat treated cost accordingly simultaneously.And above-mentioned thermal treatment frame can only plug a cycle frame due to each inserted link, therefore, the cycle frame quantity that whole thermal treatment frame can hang is few, and heat treated efficiency is low; And when hanging cycle frame, head tube is held collision inserted link and occurs scar very much.
Summary of the invention
The object of this invention is to provide a kind of method utilizing vehicle frame thermal treatment frame to heat-treat, as long as this heat treating method carries out cooling with tap water, do not need to add hardening liquid, solve the problem of environmental pollution, also reduce heat treated cost, also solve cooling and hold yielding technical problem.
For achieving the above object, a kind of method utilizing vehicle frame thermal treatment frame to heat-treat, wherein, vehicle frame thermal treatment frame comprises base and is located at the resting support on base, and resting support is provided with the vehicle frame hanging apparatus of more than a group; Described vehicle frame hanging apparatus comprise about two arrange hang crossbeam, hanging peg crossbeam being provided with and extending to both sides.
The method utilizing above-mentioned vehicle frame thermal treatment frame to heat-treat is.
(1) in cooling pool, tap water is injected.
(2) hook of vehicle frame is hung on peg, make head tube be positioned at the below of hook.
(3) vehicle frame thermal treatment frame is installed on the portalframe of slip by hanger bar.
(4) drive vehicle frame thermal treatment frame by portalframe and be hung on vehicle frame thermal treatment frame upper frame in heat treatment furnace.
(5) in heat treatment furnace, vehicle frame heated, be incubated.
(6) vehicle frame thermal treatment frame and the vehicle frame be hung on vehicle frame thermal treatment frame is driven to leave heat treatment furnace by portalframe.
(7) control vehicle frame thermal treatment frame and vehicle frame move downward in cooling pool; In process of cooling, successively contact tap water from head tube successively to hook.
(8) rear lifting vehicle frame thermal treatment frame and vehicle frame has been cooled.
Above-mentioned heat treating method, because vehicle frame is hung by hook, therefore, successively tap water is contacted successively to hook from head tube, like this, under the prerequisite not adding hardening liquid, solve the technical problem that vehicle frame is easily deformable, prevent because hardening liquid discharges the phenomenon causing environmental pollution.In addition, hook is hung on peg, therefore, each peg can hangs multiple vehicle frame, thus the quantity that whole vehicle frame thermal treatment frame hangs vehicle frame can be increased, to improve thermal effectiveness, can also prevent vehicle frame head pipe from having the phenomenon of scar.
As improvement, the two peg quantity hung on crossbeam are equal, hang up and down on crossbeam and be furnished with a peg respectively in vertical surface; When hanging vehicle frame, the vehicle frame alternate intervals be positioned in vehicle frame hanging apparatus on two pegs of same vertical plane hangs.Like this, can well prevent vehicle frame from producing and touch mutually, guarantee exterior quality.
As improvement, the peg in adjacent carrier hanging apparatus shifts to install in vertical plane, and the vehicle frame head pipe be hung in vehicle frame hanging apparatus on peg extend between the vehicle frame in the adjacent carrier hanging apparatus of below on two horizontal adjacent pegs.Like this, more vehicle frame can be hung under the prerequisite not increasing vehicle frame thermal treatment frame height, also can prevent the mutual collision between vehicle frame and affect exterior quality.
As improvement, vehicle frame thermal treatment frame adopts 316 stainless steel manufactures to form.316 stainless steels have extraordinary high temperature resistant and corrosion resistant character, prevent from repeatedly descending aquatic products to change shape and corrosion, ensure that its durable cycle.
As specializing, described portalframe comprises gantry support, gantry beam, pulley and chain, and what gantry beam slided is located in gantry upright post, and pulley is located at the bottom of gantry upright post, be provided with fixed pulley in the upper end of gantry upright post, chain is connected on gantry beam through fixed pulley; Described vehicle frame thermal treatment is erected on gantry beam.
Accompanying drawing explanation
Fig. 1 is the stereographic map of vehicle frame thermal treatment frame.
Fig. 2 is the front view of vehicle frame thermal treatment frame.
Vehicle frame is hung the schematic diagram on vehicle frame thermal treatment frame by Fig. 3.
Fig. 4 is the structural representation of portalframe.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.
As depicted in figs. 1 and 2, vehicle frame thermal treatment frame comprises base 1, resting support 2, vehicle frame hanging apparatus and strengthens column 4.
As shown in Figure 1, described base 1 comprises base framework 11 and the transverse cross beams 12 be arranged in base framework 11 and longitudinal crossbeam 13, and transverse cross beams 12 and longitudinal crossbeam 13 link together at staggered position.
Described resting support 2 to comprise in front support column 21, intermediate support column 22, rear support column 23, bearing cross beam 24, front reinforcement diagonal brace 25, rear reinforcement diagonal brace 26, upper bearing cross beam 27, front hound 28, rear hound 29, front reinforcement diagonal brace 211 on diagonal brace 210 and rear reinforcement.Front support column 21 is concordant with the upper end of rear support column 23, intermediate support column 22 is higher than front support column 21, the front end of bearing cross beam 24 is connected to the upper end of front support column 21, the rear end of bearing cross beam 24 is connected to the upper end of rear support column 23, and the middle part of bearing cross beam 24 is connected to the middle part of intermediate support column 22.Be provided with described front reinforcement diagonal brace 25 between front support column 21 and intermediate support column 22, between intermediate support column 22 and rear support column 23, be provided with rear reinforcement diagonal brace 26, to improve bearing strength and the stability of resting support.The middle part of upper bearing cross beam 27 is connected to the upper end of intermediate support column 22, be provided with described front hound 28 between the leading section of upper bearing cross beam 27 and the upper end of front support column 21, between the rearward end of upper bearing cross beam 27 and the upper end of rear support column 23, be provided with described rear hound 29; Diagonal brace 210 on strengthening before being provided with between intermediate support crossbeam 22 and front hound, diagonal brace 211 on strengthening after being provided with between intermediate support crossbeam and rear hound, to improve bearing strength and the stability of resting support.
Described vehicle frame hanging apparatus comprise about two arrange hang crossbeam 31, hanging the peg 32 crossbeam being provided with and extending to both sides, in each vehicle frame hanging apparatus the two peg quantity hung on crossbeam are equal, hang up and down on crossbeam and be furnished with a peg respectively in vertical surface; Peg in adjacent carrier hanging apparatus shifts to install in vertical plane.
Base is provided with the reinforcement column 4 for bearing cross beam, to improve the supporting capacity of crossbeam.
As shown in Figure 4, portalframe 6 comprises gantry support 61, gantry beam 62, pulley 63 and chain (not shown), what gantry beam 62 slided is located in gantry upright post 61, pulley 63 is located at the bottom of gantry upright post, be provided with fixed pulley 64 in the upper end of gantry upright post 61, chain is connected on gantry beam 62 through fixed pulley 64.
The method utilizing above-mentioned vehicle frame thermal treatment frame to heat-treat is.
(1) in cooling pool, inject tap water, described cooling pool is arranged on heat treatment furnace side, and lower than heat treatment furnace.
(2) hook of vehicle frame 5 is hung on peg 32, when hanging vehicle frame, the vehicle frame alternate intervals be positioned in vehicle frame hanging apparatus on two pegs of same vertical plane hangs, and prevents from mutually colliding between vehicle frame, to ensure vehicle frame exterior quality, and head tube is made to be positioned at the below of hook.
(3) vehicle frame thermal treatment frame is installed on gantry beam 62 by hanger bar.
(4) drive vehicle frame thermal treatment frame by portalframe and be hung on vehicle frame thermal treatment frame upper frame in heat treatment furnace.
(5) in heat treatment furnace, vehicle frame heated, be incubated.
(6) vehicle frame thermal treatment frame and the vehicle frame be hung on vehicle frame thermal treatment frame is driven to leave heat treatment furnace by portalframe.
(7) control vehicle frame thermal treatment frame and vehicle frame move downward in cooling pool; In process of cooling, successively contact tap water from head tube successively to hook.
(8) rear lifting vehicle frame thermal treatment frame and vehicle frame has been cooled.
Above-mentioned thermal treatment is T4 thermal treatment.
When heat-treating, first vehicle frame 5 hook is hung on peg, and in each vehicle frame hanging apparatus be positioned at the interval of peg up and down of same vertical plane hang vehicle frame 5, vehicle frame on same peg is separated, prevent collision mutually and damage vehicle frame, and vehicle frame corresponding to this vehicle frame thermal treatment frame hangs mode same peg can be made to hang multiple vehicle frame, thus improve vehicle frame hang quantity, improve heat treated efficiency.After vehicle frame hangs, vehicle frame thermal treatment frame and vehicle frame together enter into heat treatment furnace to carry out heating, being incubated, and then vehicle frame thermal treatment frame and vehicle frame together enter in cooling fluid and carry out rapid cooling; Be in process of cooling, head tube is introduced in cooling fluid, enters in cooling fluid after back vent, well can prevent frame distortion when not adding hardening liquid in cooling fluid, and can not because of hardening liquid contaminate environment.
It is below the test result of prior heat treatment mode and thermal treatment generation frame distortion situation of the present invention.
Prior heat treatment method in table refers to and is plugged on peg by head tube, and hook is positioned at the below of head tube, does not add hardening liquid in cooling fluid, in process of cooling, and the first contact cooling liquid of hook.According to above-mentioned comparison, the distortion of heat treating method vehicle frame of the present invention is little.
Claims (5)
1. the method utilizing vehicle frame thermal treatment frame to heat-treat, is characterized in that: vehicle frame thermal treatment frame comprises base and is located at the resting support on base, and resting support is provided with the vehicle frame hanging apparatus of more than a group; Described vehicle frame hanging apparatus comprise about two arrange hang crossbeam, hanging peg crossbeam being provided with and extending to both sides;
The method utilizing above-mentioned vehicle frame thermal treatment frame to heat-treat is:
(1) in cooling pool, tap water is injected;
(2) hook of vehicle frame is hung on peg, make head tube be positioned at the below of hook;
(3) vehicle frame thermal treatment frame is installed on the portalframe of slip by hanger bar;
(4) drive vehicle frame thermal treatment frame by portalframe and be hung on vehicle frame thermal treatment frame upper frame in heat treatment furnace;
(5) in heat treatment furnace, vehicle frame heated, be incubated;
(6) vehicle frame thermal treatment frame and the vehicle frame be hung on vehicle frame thermal treatment frame is driven to leave heat treatment furnace by portalframe;
(7) control vehicle frame thermal treatment frame and vehicle frame move downward in cooling pool; In process of cooling, successively contact tap water from head tube successively to hook;
(8) rear lifting vehicle frame thermal treatment frame and vehicle frame has been cooled.
2. the method utilizing vehicle frame thermal treatment frame to heat-treat according to claim 1, is characterized in that: the two peg quantity hung on crossbeam are equal, hang up and down on crossbeam and be furnished with a peg respectively in vertical surface; When hanging vehicle frame, the vehicle frame alternate intervals be positioned in vehicle frame hanging apparatus on two pegs of same vertical plane hangs.
3. the method utilizing vehicle frame thermal treatment frame to heat-treat according to claim 2, it is characterized in that: the peg in adjacent carrier hanging apparatus shifts to install in vertical plane, the vehicle frame head pipe be hung in vehicle frame hanging apparatus on peg extend between the vehicle frame in the adjacent carrier hanging apparatus of below on two horizontal adjacent pegs.
4. the method utilizing vehicle frame thermal treatment frame to heat-treat according to claim 1, is characterized in that: vehicle frame thermal treatment frame adopts 316 stainless steel manufactures to form.
5. the method utilizing vehicle frame thermal treatment frame to heat-treat according to claim 1, it is characterized in that: described portalframe comprises gantry support, gantry beam, pulley and chain, what gantry beam slided is located in gantry upright post, pulley is located at the bottom of gantry upright post, be provided with fixed pulley in the upper end of gantry upright post, chain is connected on gantry beam through fixed pulley; Described vehicle frame thermal treatment is erected on gantry beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310293422.8A CN103343210B (en) | 2013-07-12 | 2013-07-12 | Method for performing heat treatment by virtue of frame heat treatment rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310293422.8A CN103343210B (en) | 2013-07-12 | 2013-07-12 | Method for performing heat treatment by virtue of frame heat treatment rack |
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| Publication Number | Publication Date |
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| CN103343210A CN103343210A (en) | 2013-10-09 |
| CN103343210B true CN103343210B (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310293422.8A Expired - Fee Related CN103343210B (en) | 2013-07-12 | 2013-07-12 | Method for performing heat treatment by virtue of frame heat treatment rack |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108472719A (en) * | 2015-11-05 | 2018-08-31 | 联合工程公司 | Method for improving heat treating castings |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250257Y (en) * | 2008-09-19 | 2009-06-03 | 江阴中南重工股份有限公司 | Solution treatment device for bent pipes |
| CN102582750A (en) * | 2012-03-09 | 2012-07-18 | 广州市银三环机械有限公司 | Bicycle frame manufacturing process |
| CN102876862A (en) * | 2012-11-05 | 2013-01-16 | 无锡宏联电镀设备有限公司 | Quenching tank |
| CN203005489U (en) * | 2012-12-17 | 2013-06-19 | 广州市银三环机械有限公司 | Car frame trolley |
-
2013
- 2013-07-12 CN CN201310293422.8A patent/CN103343210B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250257Y (en) * | 2008-09-19 | 2009-06-03 | 江阴中南重工股份有限公司 | Solution treatment device for bent pipes |
| CN102582750A (en) * | 2012-03-09 | 2012-07-18 | 广州市银三环机械有限公司 | Bicycle frame manufacturing process |
| CN102876862A (en) * | 2012-11-05 | 2013-01-16 | 无锡宏联电镀设备有限公司 | Quenching tank |
| CN203005489U (en) * | 2012-12-17 | 2013-06-19 | 广州市银三环机械有限公司 | Car frame trolley |
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| CN103343210A (en) | 2013-10-09 |
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Granted publication date: 20150311 Termination date: 20200712 |