CN1814373A - Method for shaping seamless frame - Google Patents
Method for shaping seamless frame Download PDFInfo
- Publication number
- CN1814373A CN1814373A CN 200510005197 CN200510005197A CN1814373A CN 1814373 A CN1814373 A CN 1814373A CN 200510005197 CN200510005197 CN 200510005197 CN 200510005197 A CN200510005197 A CN 200510005197A CN 1814373 A CN1814373 A CN 1814373A
- Authority
- CN
- China
- Prior art keywords
- embryonic tube
- mould
- thick embryonic
- thick
- tube
- 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
Images
Landscapes
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
This invention relates to a forming method of jointless chassis. Hollow pipe body is pulled to form coniform thick embryonal tube with elliptical end section, one end of the pipe is larger diameter, and the pipe is filled in module, then formed using module pressing and oil pressure to make roof and bottom surface separately form pressure concave part with compensation function. The pipe after pressure is taken out and cut, then surface grinding and polishing processing is done to form the jointless chassis, its integral appearance is good and it also has good strength.
Description
Technical field
The present invention is a kind of forming method of seamless frame, refers to a kind ofly directly to utilize the hollow tube moulding especially, makes it to have the forming method of the seamless frame of splendid structural strength.
Background technology
Please cooperate and consult Figure 10 and shown in Figure 11, vehicle frame molding mode for prior art, it is to utilize two plates, forming machine through extruding, bending molds two half housings 501 (as shown in figure 10) that are roughly " ㄈ " font, after utilizing the moulding facility with two relative half housing, 501 involutory extruding again, a hollow vehicle frame pipe 50 (as shown in figure 11) is shaped.
Yet, this kind vehicle frame forming method, utilize each relative half housing, 501 involutory extruding, can make top, the root edge of the vehicle frame pipe 50 after the moulding, form a joint close 502 respectively, and joint close 502 can protrude burr 503 (as shown in figure 11) that cut the people, cause the appearance of vehicle frame pipe 50 not attractive in appearance, and the following process that need weld grinding is in addition handled, and so that these burr 503 are worn, whole process is very complicated; Moreover, because prior art is the vehicle frame pipe 50 that two and half housings 501 are made, so its structural strength is obviously not enough.
Moreover, this kind vehicle frame molding mode, it is involutory inaccurate more can to produce double housing of two-phase 501, makes it to cause the defective on the quality, and causes the defective products that is difficult to remedy.
The inventor is because there are many shortcomings in the production method of prior art vehicle frame, so be engaged in vehicle frame making manufacturing experience for many years with it, think solution at above problem scheme, and, develop a kind of forming method that solves the seamless frame of above-mentioned prior art shortcoming finally through repeatedly studying and updating.
Summary of the invention
Main purpose of the present invention is providing a kind of vehicle frame that is shaped can not produce joint close, and overall appearance is splendid, also has the forming method of the seamless frame of preferable intensity simultaneously.
For reaching aforesaid purpose, the invention provides a kind of forming method of seamless frame, this method comprises:
Pull: be that a hollow tube pull is become the substantially oblong-shaped thick embryonic tube of taper of an end section, pull makes this thick embryonic tube have sweeping appearance again, and an end diameter of this thick embryonic tube is big than the other end;
Compacting: this is had the thick embryonic tube of setting sweeping appearance be positioned in the mould, this mould is made up of a patrix and a counterdie, this upper and lower mould has a die cavity of setting respectively, the die cavity of this counterdie is for the parallel placement of this thick embryonic tube, and, make top, the bottom surface of this thick embryonic tube form the indentation portion identical respectively with this die cavity shape by the downward punching press of this patrix;
Cut: the thick embryonic tube after will suppressing takes out in this mould, and cuts by certain length as required; Its improvement is:
After the compression moulding step, other carries out the oil pressure forming step: on this, behind the repressed matched moulds of counterdie, when arriving the setup pressure value of matched moulds, fill up oil mass in the thick embryonic tube of hollow in this mould, and make the side pressure cylinder that is arranged at these mould both sides do the low speed propelling towards the two ends of this thick embryonic tube, and when oil pressure in this mould arrives setting value, described side pressure cylinder is made propelled at high velocity, and the pressurized cylinder of side pressure cylinder both sides is done the supercharging compensation, and this two side pressures cylinder propelled at high velocity is when reaching default stroke end, promptly finish the final moulding of thick embryonic tube, at this moment, this two side pressures cylinder is just done initial point involution action, and makes this two pressurized cylinder retreat into initial point, and on being somebody's turn to do, counterdie is done the die sinking action, can carry out thick embryonic tube material returned action.
Be preferable over and carry out following process behind the cutting step again and handle, be with the surface after the compacting with cut after the end carry out suitable surface grinding, make the surface after the grinding more level and smooth, after grinding, carry out polishing in addition, to remove the vestige that grinds.
Above-mentioned explanation only is the general introduction of Partial Feature of the present invention; for making the professional technique personage of this area; all can clearer understanding technological means of the present invention; and can implement according to this according to description of the present invention; so cooperate icon to be illustrated to the present invention; the following stated only is in order to explain preferred embodiment of the present invention; be not that the present invention is done any pro forma restriction; allly do relevant any modification of the present invention or change in that identical invention spirit is following, all should be included in the scope of protection of the invention.
Description of drawings
Fig. 1 is a schematic flow sheet of the present invention;
Fig. 2 is the schematic appearance of thick embryonic tube of the present invention;
Fig. 3 suppresses preceding action generalized section for the present invention;
Fig. 4 is the action generalized section after the present invention compacting;
Fig. 5 is the action of the side pressure cylinder before the oil pressure moulding of the present invention generalized section;
The side pressure cylinder action generalized section of Fig. 6 during for oil pressure moulding of the present invention;
The pressurized cylinder action generalized section of Fig. 7 during for oil pressure moulding of the present invention;
Fig. 8 is the vehicle frame tube exterior schematic diagram after the moulding of the present invention;
Fig. 9 is the 9-9 generalized section of Fig. 8;
Figure 10 is the schematic appearance before the moulding of prior art vehicle frame;
Figure 11 is the generalized section after the moulding of prior art vehicle frame.
The drawing reference numeral explanation:
Part of the present invention: thick embryonic tube 10; Bigger diameter end 11; Indentation portion 12; Mould 20; Patrix 21; Die cavity 211; Counterdie 22; Die cavity 221; Side pressure cylinder 30; Pressurized cylinder 40.
Prior art part: vehicle frame pipe 50; Half housing 501; Joint close 502; Burr 503.
The specific embodiment
Please cooperate and consult shown in Figure 1ly, the present invention is a kind of forming method of seamless frame, and this method comprises: pull, compacting, oil pressure moulding, cut, again through steps such as following process processing, to finish the moulding program of seamless frame; Wherein:
Pull step: a hollow tube pull is become the substantially oblong-shaped thick embryonic tube 10 of taper of end section, further stretching along the pull direction makes this thick embryonic tube 10 have the sweeping appearance of rectangle strip again, and an end of this thick embryonic tube 10 is bigger diameter end 11 (please cooperate consult shown in Figure 2);
When pressing step: this is had the thick embryonic tube 10 of setting sweeping appearance be positioned in the mould 20, this mould 20 is made up of a patrix 21 and a counterdie 22, on being somebody's turn to do, counterdie 21,22 have the die cavity 211 of a setting shape as shown in Figure 3 respectively, 221, the die cavity 221 of this counterdie 22 is for these thick embryonic tube 10 parallel placements (please cooperate and consult Fig. 3 and shown in Figure 4), and by these patrix 21 downward punching presses, make the top of this thick embryonic tube 10, the bottom surface forms respectively and this die cavity 211, the indentation portion 12 that 221 shapes are identical (please cooperate and consult Fig. 8 and shown in Figure 9), by the formation of this indentation portion 12, make it to have preferable intensity;
Oil pressure forming step: on this, counterdie 21, behind the 22 repressed matched moulds, arrive the setup pressure value of matched moulds, at this moment, fill up oil mass (please cooperate consult shown in Figure 5) in the thick embryonic tube 10 of hollow in this mould 20, simultaneously, utilize the side pressure cylinder 30 of these mould 20 both sides to make low speed towards the two ends of this thick embryonic tube 10 and advance (please cooperate consult shown in Figure 6), when oil pressure in this mould 20 arrives setting value, pressure balance this moment, and each side pressure cylinder 30 is made propelled at high velocity, and the pressurized cylinder 40 of each side pressure cylinder 30 both sides is done supercharging action (please cooperate consult shown in Figure 7), when these two side pressures cylinder, 30 propelled at high velocity reach default stroke end, promptly reach the final moulding of thick embryonic tube 10, at this moment, this two side pressures cylinder 30 is just done initial point involution action, and make this two pressurized cylinder 40 retreat into initial point, at this moment, on this, counterdie 21,22 do the die sinking action, thick embryonic tube 10 materials returned can be finished;
When cutting step: the thick embryonic tube 10 after will suppressing takes out in this mould 20, and cuts according to a length of setting;
The following process treatment step: for make after the compacting the surface with cut after the end more attractive in appearance, so carry out suitable surface grinding, make the surface after the grinding more level and smooth, in addition, after grinding, carry out polishing, to remove the vestige (please continue to cooperate and consult Fig. 5 and shown in Figure 6) that grinds.
By above production process, the vehicle frame outward appearance that is molded does not have joint close fully, make vehicle frame have appearance attractive in appearance, simultaneously, because the vehicle frame that the present invention molded does not have joint close (please cooperate and consult Fig. 8 and shown in Figure 9), so more do not have the following process processing procedure of grinding burr, making moulding flow process, the time of simplifying whole vehicle frame effectively, relatively reduce the expenditure of cost of manufacture, extremely be fit to manufacture in a large number.
In addition, the vehicle frame that utilizes the present invention to mold is integral type, and the vehicle frame two sides form an indentation portion 12 (please cooperate and consult Fig. 8 and shown in Figure 9) respectively, and the formation of indentation portion 12, except having preferable appearance impression, in addition can make vehicle frame have preferable structural strength, be born bigger external force after making the vehicle frame assembly.
Claims (2)
1, a kind of forming method of seamless frame, this method comprises:
Pull: be that a hollow tube pull is become the substantially oblong-shaped thick embryonic tube of taper of end section, further stretching along the pull direction makes this thick embryonic tube have the sweeping appearance of rectangle strip again, and an end of this thick embryonic tube has than major diameter;
Compacting: this is had the thick embryonic tube of setting sweeping appearance be positioned in the mould, this mould is made up of a patrix and a counterdie, this upper and lower mould has a die cavity of setting respectively, the die cavity of this counterdie is for the parallel placement of this thick embryonic tube, and, make top, the bottom surface of this thick embryonic tube form the indentation portion identical respectively with this die cavity shape by the downward punching press of this patrix;
Cut: the thick embryonic tube after will suppressing takes out in this mould, and according to cutting by a length of setting; It is characterized in that:
After the compression moulding step, other carries out the oil pressure forming step: on this, behind the repressed matched moulds of counterdie, when arriving the setup pressure value of matched moulds, fill up oil mass in the thick embryonic tube of hollow in this mould, and the side pressure cylinder that utilizes these mould both sides is done the low speed propelling towards the two ends of this thick embryonic tube, and oil pressure arrives when setting value in this mould, each side pressure cylinder is made propelled at high velocity, and the pressurized cylinder of each side pressure cylinder both sides is done the supercharging compensation, and this two side pressures cylinder propelled at high velocity is when reaching default stroke end, promptly finish the final moulding of thick embryonic tube, at this moment, this two side pressures cylinder is just done initial point involution action, and makes this two pressurized cylinder retreat into initial point, and on being somebody's turn to do, counterdie is done the die sinking action, can carry out thick embryonic tube material returned action.
2, the forming method of seamless frame as claimed in claim 1, wherein, carrying out following process behind cutting step handles, be with the compacting after the surface with cut after the end carry out suitable surface grinding, make the surface after the grinding more level and smooth, after grinding, carry out polishing in addition, to remove the vestige that grinds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510005197 CN1814373A (en) | 2005-02-01 | 2005-02-01 | Method for shaping seamless frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510005197 CN1814373A (en) | 2005-02-01 | 2005-02-01 | Method for shaping seamless frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1814373A true CN1814373A (en) | 2006-08-09 |
Family
ID=36906789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510005197 Pending CN1814373A (en) | 2005-02-01 | 2005-02-01 | Method for shaping seamless frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1814373A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104429188A (en) * | 2014-11-29 | 2015-03-25 | 何理生 | Paddy field mini-tiller |
| CN105364425A (en) * | 2015-12-17 | 2016-03-02 | 毕国伟 | Manufacturing method of novel bicycle handlebar |
-
2005
- 2005-02-01 CN CN 200510005197 patent/CN1814373A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104429188A (en) * | 2014-11-29 | 2015-03-25 | 何理生 | Paddy field mini-tiller |
| CN105364425A (en) * | 2015-12-17 | 2016-03-02 | 毕国伟 | Manufacturing method of novel bicycle handlebar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1733637A3 (en) | Fluid-filled bladder with a reinforcing structure | |
| CN110370682A (en) | A kind of deep camber c-type frame composite product forming method of tie angle bar | |
| CN1814373A (en) | Method for shaping seamless frame | |
| CN105235236A (en) | Autoclave die for improving surface quality of workpiece and method | |
| CN114905607B (en) | Pressing method of mould-free pressing equipment for preparing large-scale balancing weight | |
| CN100443278C (en) | Tyre mould and its producing method | |
| CN215283158U (en) | Automobile lamp body mold with integrated hot runner structure | |
| CN110773879B (en) | Metal hollow structure prefabricated vacancy forming device and method thereof | |
| CN2683516Y (en) | Bicycle hollow crank | |
| CN2470233Y (en) | Bicycle hollow crank | |
| CN201257472Y (en) | Vehicle frame mould construction | |
| CN2400258Y (en) | Composite material shaping mould | |
| CN219520474U (en) | Square assembling die for metal powder forming | |
| CN217964584U (en) | One-die two-piece multidirectional die forging forming die for ear hinge forging | |
| CN111730819A (en) | Mould core-pulling structure | |
| CN205167595U (en) | Qualities of finished piece surface are improved autoclave mould | |
| CN216372971U (en) | A demoulding structure for solving carbon fiber product side opening back-off | |
| CN219838074U (en) | Mould for producing composite material with inverted buckle | |
| CN112517706B (en) | Stamping assembly, die and three-dimensional aluminum profile forming method | |
| CN217621895U (en) | Rubber sleeve die | |
| CN215360080U (en) | Powder metallurgy forming-extruding composite die | |
| CN217704672U (en) | High-precision wiper motor pivot bracket die | |
| CN215471858U (en) | Wet-type isostatic pressing die for zirconia ceramic product | |
| CN216501749U (en) | Edge wrapping die for engine oil cooler chip | |
| CN214266520U (en) | Demoulding device for mould processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |