CN110466658A - Electric bicycle integral type upper tube and hydro-forming method - Google Patents
Electric bicycle integral type upper tube and hydro-forming method Download PDFInfo
- Publication number
- CN110466658A CN110466658A CN201910049223.XA CN201910049223A CN110466658A CN 110466658 A CN110466658 A CN 110466658A CN 201910049223 A CN201910049223 A CN 201910049223A CN 110466658 A CN110466658 A CN 110466658A
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- China
- Prior art keywords
- upper tube
- integral type
- type upper
- pipe fitting
- hydro
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000008569 process Effects 0.000 claims abstract description 19
- 238000007493 shaping process Methods 0.000 claims abstract description 9
- 239000000314 lubricant Substances 0.000 claims description 15
- 238000004062 sedimentation Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 12
- 210000000981 epithelium Anatomy 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 8
- 238000007127 saponification reaction Methods 0.000 claims description 8
- 238000000137 annealing Methods 0.000 claims description 6
- 238000000227 grinding Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 238000005496 tempering Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000000344 soap Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 238000003466 welding Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K19/00—Cycle frames
- B62K19/02—Cycle frames characterised by material or cross-section of frame members
- B62K19/04—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity
- B62K19/06—Cycle frames characterised by material or cross-section of frame members the material being wholly or mainly metallic, e.g. of high elasticity tubular
Abstract
The present invention relates to electric bicycle integral type upper tubes, the integral type upper tube is by hydro-forming method machine-shaping, and the upper tube wall after integral type upper tube hydro-forming in integral type upper tube processes the mounting portion to form power switch base, the mounting portion is hollow and is connected with the integral type upper tube, for the power switch base to be fixedly mounted.Technical solution of the present invention processes the mounting portion of power switch base after the completion of integral type upper tube hydro-forming, for installing power switch base, do not need to be welded, manufacturing process is easy, overall structure more simplifies and appearance is smoothly beautiful, and cost reduces and production capacity improves.
Description
Technical field
The present invention relates to electric bicycle integral type upper tubes.
Background technique
In existing production technology, electric bicycle depot using welding manner by power switch base and integral type upper tube or in
Pipe welding fabrication, welding processing procedure is complicated, at high cost, needs more welding and the positive jig of effect, structural instability and outer after welding
It is beautiful to see irregularity, production capacity is lower.
Summary of the invention
It is an object of the invention to overcome disadvantage existing in the prior art, a kind of manufacturing process simplicity, integrally knot are provided
Structure more simplifies and the smooth beautiful integral type upper tube of appearance.
To achieve the goals above, the invention provides the following technical scheme:
The present invention provides electric bicycle integral type upper tube, the integral type upper tube is processed by hydro-forming method
Type, and the upper tube wall after integral type upper tube hydro-forming in integral type upper tube processes the mounting portion to form power switch base,
The mounting portion is hollow and is connected with the integral type upper tube, for the power switch base to be fixedly mounted.
Wherein, the mounting portion includes sedimentation plate and interface, and the plate that settles is by the upper surface portion of integral type upper tube
It is formed to pipe sunken inside, the interface is located at the centre of sedimentation plate and for accommodating the power switch base.
Wherein, the size, shape of the interface match with the power switch base.
Wherein, it is equipped with location hole on the sedimentation plate, the power switch base is equipped with screw, described in the screw insertion
Location hole is used to the power switch base being fixed on the mounting portion.
Wherein, the junction of the upper surface of the sedimentation plate and the integral type upper tube is arc gentle transition.
The invention also provides electric bicycle integral type upper tube hydro-forming methods, comprising the following steps:
Pipe fitting blanking: S101 takes raw material and by pipe fitting material at required dimensions；
S102, epithelium saponification: being put into pipe fitting to impregnate 3 minutes in lubricant and lift, and makes pipe fitting surfaces externally and internally with lubricating
Agent；
S103, mandrel take out pipe: penetrating inside pipe fitting with tube drawing machine and matched mandrel, keep tube wall thickness even by stretching
Claim；
Annealing: S104 utilizes heat-treatment furnace, makes annealing treatment, pipe fitting hardness is lower；
S105 is beaten tiltedly: being made tiltedly pipe fitting with oblique machine is made, is changed the outer diameter perimeter size of pipe fitting different location；
S106, tempering: utilizing heat-treatment furnace, does tempering, reduces the hardness for reducing pipe fitting；
S107, epithelium saponification: being put into pipe fitting to impregnate 3 minutes in lubricant and lift, and makes pipe fitting surfaces externally and internally with lubricating
Agent；
S108, it is preforming: to change the external form of pipe fitting by preforming processing, so that shape is matched with shaping mould, obtain one
The preliminary working product of body formula upper tube；
Integer: preliminary working product after preforming is carried out integer, the product and shaping mould height phase after integer by S109
Matching；
S110, hydro-forming: carrying out hydro-forming to the product after integer with molding die, obtain moulded products, molding
The size of hydraulic pressure and the corresponding sliding block of mold is controlled in the process；
S111 is cut: the extra both ends tailing of moulded products being cut off, final size after molding is reserved；
Numerically-controlled machine tool processing: S112 after the completion of pipe fitting hydro-forming, processes the power switch base of pipe fitting with numerically-controlled machine tool
Mounting portion and relative position remove extra rim charge；
S113, grinding and polishing numerically-controlled machine tool complete the process, and tube surface carries out grinding wheel polishing, and deburring obtains finished product.
Wherein, lubricant used in epithelium saponification process is deployed according to water with lubrication Ji ratio for 1:3, and
It is heated up to 75~85 degrees Celsius.
Wherein, the heat-treatment furnace operating temperature described in drawing process is 500 degrees Celsius, Shi Changwei 4 hours.
Technical solution of the present invention has the advantages that
The present invention after the completion of integral type upper tube hydro-forming by processing the mounting portion of power switch base, for installing
Power switch base does not need to be welded, and manufacturing process is easy, and overall structure more simplifies and appearance is smoothly beautiful, cost drop
Low and production capacity improves.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of integral type upper tube of the present invention；
Fig. 2 is the schematic diagram of integral type upper tube hydro-forming method of the present invention；
Drawing reference numeral explanation:
100- integral type upper tube, 200- power switch base, 31- settle plate, 311- location hole, 32- interface.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the specific embodiments described herein are merely illustrative of the present invention, is not intended to limit the present invention.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " connection " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to
Electrical connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and should not be understood as
Its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.
Referring to FIG. 1, the present invention provides electric bicycle integral type upper tube 100, the integral type upper tube 100 is by hydraulic
Forming method machine-shaping, and the upper tube wall after 100 hydro-forming of integral type upper tube in integral type upper tube 100 is processed and to be formed
The mounting portion of power switch base 200, the mounting portion is hollow and is connected with the integral type upper tube 100, for being fixedly mounted
The power switch base 200.
Existing production technology, power switch base 200 are to use forging method, can only be manufactured by professional forge plant, and on
Pipe is the production of professional production section tube, thus electric bicycle depot orders material production from different manufacturers respectively, then leads to
Welding manner is crossed by power switch base 200 and upper tube or middle pipe welding fabrication, it is complicated, at high cost to weld processing procedure.Of the invention
Technical solution by processing the mounting portion of power switch base 200 after the completion of integral type 100 hydro-forming of upper tube, do not need into
Row welding, manufacturing process is easy, and overall structure more simplifies and appearance is smoothly beautiful, reduces manpower and material resources cost, preferably
Production capacity and quality are promoted, the cumbersome welding procedure of effective solution electric bicycle depot realizes industrial transformation upgrading.
Further, the mounting portion includes sedimentation plate 31 and interface 32, and the sedimentation plate 31 is by integral type upper tube 100
Upper surface portion is formed to pipe sunken inside, and the interface 32 is located at the centre of sedimentation plate 31 and for accommodating the power switch
Seat 200.
Preferably, the size, shape of the interface 32 match with the power switch base 200, when using different
When power switch base 200, the interface 32 can also the 100 hydro-forming post-processing of integral type upper tube at power switch base
200 size, the shapes to match can be suitable for the installation of different power switch bases 200.
Preferably, location hole 311 is equipped on the sedimentation plate 31, the power switch base 200 is equipped with screw, the spiral shell
Nail is inserted into the location hole 311 and is used to the power switch base 200 being fixed on the mounting portion, adopts and is screwed the electricity
The mode of source switch seat 200 is easy to operate, Yi Shixian.
Preferably, the junction of the upper surface of the sedimentation plate 31 and the integral type upper tube 100 is arc gentle transition,
It ensure that the beauty of product.
Referring to FIG. 2, the invention also provides electric bicycle integral type upper tube hydro-forming method, including following step
It is rapid:
Pipe fitting blanking: S101 takes raw material and by pipe fitting material at required dimensions；
S102, epithelium saponification: being put into pipe fitting to impregnate 3 minutes in lubricant and lift, and makes pipe fitting surfaces externally and internally with lubricating
Agent will not produce fracture and pull inner surface when extending and elongating convenient for pipe fitting；
S103, mandrel take out pipe: penetrating inside pipe fitting with tube drawing machine and matched mandrel, keep tube wall thickness even by stretching
Claim；
S104, annealing: utilizing heat-treatment furnace, make annealing treatment, pipe fitting hardness is lower, when beating oblique convenient for subsequent processing not
Fracture does not generate surface and pulls；
S105 is beaten tiltedly: being made tiltedly pipe fitting with oblique machine is made, is changed the outer diameter perimeter size of pipe fitting different location, meet pipe fitting
Materials required for appearance appearance is different；
S106, tempering: utilizing heat-treatment furnace, does tempering, reduces the hardness for reducing pipe fitting, prevents rear process from generating disconnected
Split or pull problem；；
S107, epithelium saponification: being put into pipe fitting to impregnate 3 minutes in lubricant and lift, and makes pipe fitting surfaces externally and internally with lubricating
Agent will not produce fracture and pull inner surface when extending and elongating convenient for pipe fitting；
S108, it is preforming: to change the external form of pipe fitting by preforming processing, so that shape is matched with shaping mould, obtain one
The preliminary working product of body formula upper tube；
Integer: preliminary working product after preforming is carried out integer, the product and shaping mould height phase after integer by S109
Matching；
S110, hydro-forming: carrying out hydro-forming to the product after integer with molding die, obtain moulded products, molding
The size of hydraulic pressure and the corresponding sliding block of mold is controlled in the process；
S111 is cut: the extra both ends tailing of moulded products being cut off, final size after molding is reserved；
Numerically-controlled machine tool processing: S112 after the completion of pipe fitting hydro-forming, processes the power switch base of pipe fitting with numerically-controlled machine tool
Mounting portion and relative position remove extra rim charge；
S113, grinding and polishing: numerically-controlled machine tool completes the process, and tube surface carries out grinding wheel polishing, and deburring obtains finished product.
Further, lubricant used in epithelium saponification process is that 1:3 is deployed with lubrication Ji ratio according to water,
And it is heated up to 75~85 degrees Celsius.
Further, the heat-treatment furnace operating temperature described in drawing process is 500 degrees Celsius, Shi Changwei 4 hours.
Electric bicycle integral type upper tube hydro-forming method proposed by the present invention, can improve integral type upper tube 100
Aluminium alloy structure, it is the features such as making it have high rigidity, high tenacity and resistance to compression, tension, easy to process to manufacture and environmental protection.
The above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be to the present invention
Embodiment restriction.For those of ordinary skill in the art, it can also make on the basis of the above description
Other various forms of variations or variation.Here all embodiments can not be exhaustive.It is all to belong to skill of the invention
The obvious changes or variations that art scheme is extended out are still in the scope of protection of the present invention.
Claims (8)
1. electric bicycle integral type upper tube, which is characterized in that the integral type upper tube by hydro-forming method machine-shaping, and
And the upper tube wall after integral type upper tube hydro-forming in integral type upper tube processes the mounting portion to form power switch base, the peace
Dress portion is hollow and is connected with the integral type upper tube, for the power switch base to be fixedly mounted.
2. electric bicycle integral type upper tube according to claim 1, which is characterized in that the mounting portion includes sedimentation plate
And interface, the sedimentation plate are formed from the upper surface portion of integral type upper tube to pipe sunken inside, the interface is located at sedimentation
The centre of plate simultaneously is used to accommodate the power switch base.
3. electric bicycle integral type upper tube according to claim 2, which is characterized in that size, the shape of the interface
Shape matches with the power switch base.
4. electric bicycle integral type upper tube according to claim 2, which is characterized in that it is fixed to be equipped on the sedimentation plate
Position hole, the power switch base are equipped with screw, and the screw is inserted into the location hole for the power switch base to be fixed on
On the mounting portion.
5. electric bicycle integral type upper tube according to claim 2, which is characterized in that the sedimentation plate and the one
The junction of the upper surface of formula upper tube is arc gentle transition.
6. electric bicycle integral type upper tube hydro-forming method, which comprises the following steps:
Pipe fitting blanking: S101 takes raw material and by pipe fitting material at required dimensions；
S102, epithelium saponification: being put into pipe fitting to impregnate 3 minutes in lubricant and lift, and pipe fitting surfaces externally and internally is made to have lubricant；
S103, mandrel take out pipe: penetrating inside pipe fitting with tube drawing machine and matched mandrel, keep tube wall thickness well-balanced by stretching；
Annealing: S104 utilizes heat-treatment furnace, makes annealing treatment, pipe fitting hardness is lower；
S105 is beaten tiltedly: being made tiltedly pipe fitting with oblique machine is made, is changed the outer diameter perimeter size of pipe fitting different location；
S106, tempering: utilizing heat-treatment furnace, does tempering, reduces the hardness for reducing pipe fitting；
S107, epithelium saponification: being put into pipe fitting to impregnate 3 minutes in lubricant and lift, and pipe fitting surfaces externally and internally is made to have lubricant；
S108, it is preforming: to change the external form of pipe fitting by preforming processing, so that shape is matched with shaping mould, obtain integral type
The preliminary working product of upper tube；
Integer: preliminary working product after preforming is carried out integer, the product and shaping mould height phase after integer by S109
Match；
Hydro-forming: S110 carries out hydro-forming to the product after integer with molding die, obtains moulded products, forming process
The size of middle control hydraulic pressure and the corresponding sliding block of mold；
S111 is cut: the extra both ends tailing of moulded products being cut off, final size after molding is reserved；
S112, numerically-controlled machine tool processing: after the completion of pipe fitting hydro-forming, with the installation of the power switch base of numerically-controlled machine tool processing pipe fitting
Portion and relative position remove extra rim charge；
S113, grinding and polishing: numerically-controlled machine tool completes the process, and tube surface carries out grinding wheel polishing, and deburring obtains finished product.
7. electric bicycle integral type upper tube hydro-forming method according to claim 6, which is characterized in that in epithelium soap
Used in the process of change to lubricant according to water be that 1:3 is deployed with lubrication Ji ratio, and be heated up to 75~85 degrees Celsius.
8. electric bicycle integral type upper tube hydro-forming method according to claim 6, which is characterized in that be tempered
Heat-treatment furnace operating temperature described in journey is 500 degrees Celsius, Shi Changwei 4 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910049223.XA CN110466658A (en) | 2019-01-18 | 2019-01-18 | Electric bicycle integral type upper tube and hydro-forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910049223.XA CN110466658A (en) | 2019-01-18 | 2019-01-18 | Electric bicycle integral type upper tube and hydro-forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110466658A true CN110466658A (en) | 2019-11-19 |
Family
ID=68506648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910049223.XA Pending CN110466658A (en) | 2019-01-18 | 2019-01-18 | Electric bicycle integral type upper tube and hydro-forming method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110466658A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572687A (en) * | 2020-05-15 | 2020-08-25 | 明达铝业科技(太仓)有限公司 | Electric vehicle water injection thin-wall pipe lock hole integrated structure and pipe forming process thereof |
| CN112302775A (en) * | 2020-10-30 | 2021-02-02 | 重庆卡福汽车制动转向系统有限公司 | Exhaust pipeline of tail gas aftertreatment jar |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480978A (en) * | 2009-01-21 | 2009-07-15 | 深圳信隆实业股份有限公司 | Integral bike metal seat tube and molding method thereof |
| CN204021068U (en) * | 2014-05-04 | 2014-12-17 | 王杰 | Bicycle |
| CN205971621U (en) * | 2016-07-21 | 2017-02-22 | 见诚自行车（太仓）有限公司 | Electric bicycle battery group of light around area |
| CN206125250U (en) * | 2016-08-31 | 2017-04-26 | 浙江贝欧复合材料制造有限公司 | Integral type LED bicycle that throws light on |
| CN207089561U (en) * | 2017-06-01 | 2018-03-13 | 浙江伊克莱赫电动科技有限公司 | A kind of electric boosted vehicle carriage |
| CN108128396A (en) * | 2018-02-05 | 2018-06-08 | 天成车料（深圳）有限公司 | Electric bicycle integral type middle pipe and hydro-forming method |
| CN209467271U (en) * | 2019-01-18 | 2019-10-08 | 天成车料（深圳）有限公司 | Electric bicycle integral type upper tube |
-
2019
- 2019-01-18 CN CN201910049223.XA patent/CN110466658A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480978A (en) * | 2009-01-21 | 2009-07-15 | 深圳信隆实业股份有限公司 | Integral bike metal seat tube and molding method thereof |
| CN204021068U (en) * | 2014-05-04 | 2014-12-17 | 王杰 | Bicycle |
| CN205971621U (en) * | 2016-07-21 | 2017-02-22 | 见诚自行车（太仓）有限公司 | Electric bicycle battery group of light around area |
| CN206125250U (en) * | 2016-08-31 | 2017-04-26 | 浙江贝欧复合材料制造有限公司 | Integral type LED bicycle that throws light on |
| CN207089561U (en) * | 2017-06-01 | 2018-03-13 | 浙江伊克莱赫电动科技有限公司 | A kind of electric boosted vehicle carriage |
| CN108128396A (en) * | 2018-02-05 | 2018-06-08 | 天成车料（深圳）有限公司 | Electric bicycle integral type middle pipe and hydro-forming method |
| CN209467271U (en) * | 2019-01-18 | 2019-10-08 | 天成车料（深圳）有限公司 | Electric bicycle integral type upper tube |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111572687A (en) * | 2020-05-15 | 2020-08-25 | 明达铝业科技(太仓)有限公司 | Electric vehicle water injection thin-wall pipe lock hole integrated structure and pipe forming process thereof |
| CN112302775A (en) * | 2020-10-30 | 2021-02-02 | 重庆卡福汽车制动转向系统有限公司 | Exhaust pipeline of tail gas aftertreatment jar |
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