CN105081178A - Machining process and machining die of shaft tube hollow tube - Google Patents
Machining process and machining die of shaft tube hollow tube Download PDFInfo
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- CN105081178A CN105081178A CN201510626357.5A CN201510626357A CN105081178A CN 105081178 A CN105081178 A CN 105081178A CN 201510626357 A CN201510626357 A CN 201510626357A CN 105081178 A CN105081178 A CN 105081178A
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- upsetting
- hollow pipe
- central siphon
- patrix
- blank
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Abstract
The invention discloses a machining die for a shaft tube hollow tube. The machining die comprises an upper pre-upsetting die, a lower pre-upsetting die and an extrusion head. The lower pre-upsetting die can support a blank; when the upper pre-upsetting die and the lower pre-upsetting die are in a closed state and the extrusion head is located in a hollow portion between the upper pre-upsetting die and the lower pre-upsetting die under the effect of equipment, a cavity formed among the extrusion head, the upper pre-upsetting die and the lower pre-upsetting die is identical to the shaft tube hollow tube in structure. By applying the machining die for the shaft tube hollow tube, the forged shaft tube hollow tube blank is provided with a basically formed inner hole structure, so that the drilling time of subsequent machining can be shortened, the subsequent machining allowance is small, and then the machining time is shortened, and the cost is reduced. In addition, by applying the machining die, the problem that the machining difficulty of a traditional inner hole is high is avoided, and the production efficiency is improved remarkably. The invention further discloses a machining process of the shaft tube hollow tube, and according to the machining process, the machining die for the shaft tube hollow tube is adopted.
Description
Technical field
The present invention relates to Machining Technology field, more particularly, relate to a kind of central siphon hollow pipe processing mold, also relate to a kind of central siphon hollow pipe processing technology.
Background technology
All kinds of component of machine is in life and the important composition element of industrial circle.Growing along with the field such as machine-building and machining, more and more higher to the required precision of each type component, the requirement of its processing technology is also got more and more, the factors such as machining accuracy, working (machining) efficiency, expense need be considered, to reaching best processing effect.
Central siphon hollow pipe is the parts that mechanical industry field is commonly used.Its structure refers to Fig. 1, and Fig. 1 is the structural representation of central siphon hollow pipe.In tubular construction, end has three grades of hierarchic structures to its entirety visible, and diameter of bore is transition gradually from large to small.The processing technology of central siphon hollow pipe common in prior art mainly comprises the following steps: blanking, heating, dead man, jumping-up, shaping and trimming.Through above-mentioned technical process, the outer shape basic forming of central siphon hollow pipe, but the hole in its heart portion is not shaping.Therefore, following process is still needed to complete.And being about 33mm due to the part diameter of bore of central siphon hollow pipe, length is about 223mm, and length is longer, and thus by existing equipment, difficulty of processing is high, and allowance is large, causes working (machining) efficiency low, and processing charges is higher simultaneously.
In sum, how effectively solve central siphon hollow pipe endoporus difficulty of processing greatly, costly, the problem such as efficiency is low, be current those skilled in the art's urgent problem.
Summary of the invention
In view of this, first object of the present invention is to provide a kind of central siphon hollow pipe processing mold, the structural design of this central siphon hollow pipe processing mold can effectively solve central siphon hollow pipe endoporus difficulty of processing greatly, costly, inefficient problem, second object of the present invention is to provide a kind of central siphon hollow pipe processing technology adopting above-mentioned central siphon hollow pipe processing mold to carry out the processing of central siphon hollow pipe.
In order to reach above-mentioned first object, the invention provides following technical scheme:
A kind of central siphon hollow pipe processing mold, comprise pre-upsetting patrix, pre-upsetting counterdie and extrusion head, described pre-upsetting counterdie can support blank, under described pre-upsetting patrix and described pre-upsetting counterdie closure state, described extrusion head is when wanting the hollow space being positioned at described pre-upsetting patrix and described pre-upsetting counterdie under equipment effect, and described extrusion head is identical with the structure of the die cavity that described pre-upsetting patrix and described pre-upsetting counterdie are formed and central siphon hollow pipe.
Preferably, in above-mentioned central siphon hollow pipe processing mold, also comprise the pre-upsetting patrix cylinder supporting described pre-upsetting patrix, mould cylinder is arranged with outside described pre-upsetting patrix and described pre-upsetting patrix cylinder, one end of described mould cylinder is connected with the trim ring other end and is connected with connecting plate, and described connecting plate is used for being connected with press device.
Preferably, in above-mentioned central siphon hollow pipe processing mold, described connecting plate is connected with described press device bolt.
Preferably, in above-mentioned central siphon hollow pipe processing mold, also comprise pressure ram, one end of described pressure ram is connected with described extrusion head, pressure ram pressure strip is arranged with outside the other end of described pressure ram, the end face of described pressure ram pressure strip is provided with pressure ram backing plate, and described pressure ram pressure strip is all connected with die holder with described pressure ram backing plate.
Preferably, in above-mentioned central siphon hollow pipe processing mold, one end that described pressure ram is connected with described pressure ram pressure strip is taper.
Preferably, in above-mentioned central siphon hollow pipe processing mold, described pressure ram is threaded with described extrusion head.
Preferably, in above-mentioned central siphon hollow pipe processing mold, the end head deviating from described pressure ram of described extrusion head is truncated cone-shaped, and the angle of inclination of described round platform sidewall is 19-21 degree.
Preferably, in above-mentioned central siphon hollow pipe processing mold, the pattern draft of described pre-upsetting patrix is 3 degree.
Central siphon hollow pipe processing mold provided by the invention comprises pre-upsetting patrix, pre-upsetting counterdie and extrusion head.Wherein, pre-upsetting patrix can support blank, and blank is placed between pre-upsetting patrix and pre-upsetting counterdie, and when pre-upsetting patrix and pre-upsetting counterdie close, the inner wall shape of the two is identical with the profile of central siphon hollow pipe.Extrusion head can move under the effect of press device, and the outer wall of extrusion head is identical with the internal via shape of central siphon hollow pipe.Thus, when extrusion head is positioned at the hollow space of pre-upsetting patrix and pre-upsetting counterdie, the die cavity that extrusion head and pre-upsetting patrix and pre-upsetting counterdie are formed is the structure of central siphon hollow pipe.
When applying central siphon hollow pipe processing mold provided by the invention, blank is placed in pre-upsetting patrix and pre-upsetting counterdie, extrusion head moves under the effect of press device, along with moving down of extrusion head, blank is pressed, under coordinate of pre-upsetting patrix with pre-upsetting counterdie, forge the endoporus of central siphon hollow pipe, squeeze out the profile of central siphon hollow pipe.By this mould, forge the inner hole structure that central siphon hollow pipe blank has basic forming, thus can reduce the drilling time of following process, following process surplus is few, and then shortens process time, minimizing expense.The material of conserve bore is about 1.5kg, and during drillman, unit price reduces to 1.0 yuan/part by 2.5 yuan/part.And apply this mould and avoid the large problem of traditional endoporus difficulty of processing, significantly improve production efficiency.
In order to reach above-mentioned second object, present invention also offers a kind of central siphon hollow pipe processing technology, comprising step:
Blanking, prepares the blank that internal diameter is the tubulose of 32-34mm;
Described blank is heated;
Clear up the oxide skin of the blank after described heating;
Described blank is carried out the forging of endoporus and the extruding of profile by central siphon hollow pipe processing mold as described in any one of claim 1-6.
Preferably, in above-mentioned central siphon hollow pipe processing technology, step is comprised:
Blanking, prepares the blank that internal diameter is the tubulose of 33mm;
Described blank is heated;
Clear up the oxide skin of the blank after described heating;
Described blank is carried out the forging of endoporus and the extruding of profile by such as above-mentioned central siphon hollow pipe processing mold.
Because above-mentioned central siphon hollow pipe processing mold has above-mentioned technique effect, the central siphon hollow pipe processing technology that have employed this central siphon hollow pipe processing mold also should have corresponding technique effect, repeats no more herein.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the main TV structure schematic diagram of central siphon hollow pipe;
Fig. 2 is the side-looking structural representation of Fig. 1;
Fig. 3 is the structural representation of a kind of detailed description of the invention of central siphon hollow pipe processing mold provided by the invention;
Fig. 4 is the structural representation of pre-upsetting patrix in Fig. 3;
Fig. 5 is the main TV structure schematic diagram of pre-upsetting counterdie in Fig. 3;
Fig. 6 is the side-looking structural representation of Fig. 5;
Fig. 7 is the structural representation of extrusion head in Fig. 3.
In accompanying drawing, mark is as follows:
Pressure ram backing plate 1, pressure ram pressure strip 2, pressure ram 3, connecting plate 4, extrusion head 5, mould cylinder 6, pre-upsetting patrix cylinder 7, pre-upsetting patrix 8, trim ring 9, pre-upsetting counterdie 10, blank 11, central siphon hollow pipe 12.
Detailed description of the invention
The embodiment of the invention discloses a kind of central siphon hollow pipe processing mold, to reduce central siphon hollow pipe endoporus difficulty of processing, processing charges, improve working (machining) efficiency.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 3-Fig. 7, Fig. 3 is the structural representation of a kind of detailed description of the invention of central siphon hollow pipe processing mold provided by the invention; Fig. 4 is the structural representation of pre-upsetting patrix in Fig. 3; Fig. 5 is the main TV structure schematic diagram of pre-upsetting counterdie in Fig. 3; Fig. 6 is the side-looking structural representation of Fig. 5; Fig. 7 is the structural representation of extrusion head in Fig. 3.
In a kind of detailed description of the invention, central siphon hollow pipe processing mold provided by the invention comprises pre-upsetting patrix 8, pre-upsetting counterdie 10 and extrusion head 5.
Wherein, pre-upsetting patrix 8 can support blank 11, and blank 11 is placed between pre-upsetting patrix 8 and pre-upsetting counterdie 10, and when pre-upsetting patrix 8 and pre-upsetting counterdie 10 close, the inner wall shape of the two is identical with the profile of central siphon hollow pipe 12.Extrusion head 5 can move under the effect of press device, and the outer wall of extrusion head 5 is identical with the internal via shape of central siphon hollow pipe 12.Thus, when extrusion head 5 is positioned at the hollow space of pre-upsetting patrix 8 and pre-upsetting counterdie 10, the die cavity that extrusion head 5 and pre-upsetting patrix 8 and pre-upsetting counterdie 10 are formed is the structure of central siphon hollow pipe 12.
One end outer wall due to central siphon hollow pipe 12 has three grades of step structures, and when thus pre-upsetting patrix 8 closes with pre-upsetting counterdie 10, its inner chamber has the hierarchic structure that three grades of internal diameters increase successively accordingly.Concrete, can be the one-level step of its internal diameter size of one end corresponding to largest diameter in central siphon hollow pipe 12 3 grades of hierarchic structures of pre-upsetting counterdie 10.One end that pre-upsetting patrix 8 is connected with pre-upsetting counterdie 10, its internal diameter corresponds to the another two stage rank of central siphon hollow pipe 12.
What central siphon hollow pipe 12 diameter of bore was concrete is divided into three phases, and the external diameter of extrusion head 5 corresponding with it is also set to the three phases consistent with each stage internal diameter respectively.
When applying central siphon hollow pipe provided by the invention 12 processing mold, blank 11 is placed in pre-upsetting patrix 8 and pre-upsetting counterdie 10, extrusion head 5 moves under the effect of press device, along with moving down of extrusion head 5, blank 11 is pressed, under coordinate of pre-upsetting patrix 8 with pre-upsetting counterdie 10, forge the endoporus of central siphon hollow pipe 12, squeeze out the profile of central siphon hollow pipe 12.By this mould, forge the inner hole structure that central siphon hollow pipe 12 blank has basic forming, thus can reduce the drilling time of following process, following process surplus is few, and then shortens process time, minimizing expense.And apply this mould and avoid the large problem of traditional endoporus difficulty of processing, significantly improve production efficiency.
Further, central siphon hollow pipe 12 processing mold provided by the invention also comprises the pre-upsetting patrix cylinder 7 supporting pre-upsetting patrix 8, be arranged with mould cylinder 6 outside pre-upsetting patrix 8 and pre-upsetting patrix cylinder 7, one end of mould cylinder 6 is connected with trim ring 9 other end and is connected with connecting plate 4, and connecting plate 4 is for being connected with press device.One end and the pre-upsetting patrix 8 of pre-upsetting patrix cylinder 7 offset, the other end and connecting plate 4 offset, and be arranged with mould cylinder 6 outside pre-upsetting patrix cylinder 7 and pre-upsetting patrix 8, one end of mould cylinder 6 is connected with connecting plate 4, the other end is connected with trim ring 9, and concrete above-mentioned connection all can be with bolts.Certainly, the connected mode of other routines also can be adopted to connect.Namely, by connecting plate 4, mould cylinder 6 and trim ring 9, pre-upsetting patrix cylinder 7 and pre-upsetting patrix 8 are linked together, merge into die combination, and be fixed on press device by connecting plate 4.
Concrete, connecting plate 4 and press device can be with bolts, certainly, the connected mode of other routines also can be adopted as required to connect.
On the basis of the various embodiments described above, central siphon hollow pipe 12 processing mold provided by the invention also comprises pressure ram 3, one end of pressure ram 3 is connected with extrusion head 5, pressure ram pressure strip 2 is arranged with outside the other end of pressure ram 3, the end face of pressure ram pressure strip 2 is provided with pressure ram backing plate 1, and pressure ram pressure strip 2 is connected with die holder with pressure ram backing plate 1.Namely connect extrusion head 5, pressure ram 3, pressure ram pressure strip 2, pressure ram backing plate 1 and die holder successively, above-mentioned parts are connected as a whole.Die holder is connected with press device further, thus, that carries out central siphon hollow pipe 12 again adds man-hour, and press device drives pressure ram 3 to move, and pressure ram 3 drives extrusion head 5 to move, blank 11 is positioned over pre-upsetting patrix 8 with the inner chamber of pre-upsetting counterdie 10, pre-upsetting patrix 8 is installed on press device with pre-upsetting counterdie 10, and extrusion head 5 acts on blank 11, presses to it, blank 11 with under the position-limiting action of pre-upsetting counterdie 10 at pre-upsetting patrix 8, is forged endoporus and is squeezed out profile simultaneously.
Further, one end that pressure ram 3 is connected with pressure ram pressure strip 2 is taper, and one end end face be namely connected with pressure ram pressure strip 2 is comparatively large, thus more firm when being passed to pressure ram 3 at the pressure of bearing pressure equipment.
Concrete pressure ram 3 can be threaded with extrusion head 5, certainly, the mode that is fixedly connected with of other routines also can be adopted as required to connect.
The end head deviating from described pressure ram 3 of extrusion head 5 is truncated cone-shaped, and the angle of inclination of described round platform sidewall is 19-21 degree.Certainly, for a certain pressure ram 3, this angle of inclination is a determined value, and this value is in the scope of 19-21 degree.Concrete, can be 20 degree.The head of pressure ram 3 is circular platform type, is convenient to pressure ram 3 and acts on blank 11.
Taken out by forging after having forged, the pattern draft of pre-upsetting patrix 8 can be set to 3 degree.Certainly, also can carry out other as required to arrange.
Present invention also offers a kind of central siphon hollow pipe processing technology.
In the first detailed description of the invention, central siphon hollow pipe processing technology provided by the present invention comprises the following steps:
Blanking, prepares the blank that internal diameter is the tubulose of 32-34mm;
Therefore blank is the pipe fitting with endoporus, is conducive to reducing allowance in following process process, shortens process time.Concrete, the height of blank can be set to 330mm, and external diameter is generally 65mm, and internal diameter can be set to 33mm.Certainly, also can carry out other according to specific needs to arrange.
Described blank is heated;
By heating so that follow-up extrusion process is carried out smoothly.
The oxide skin of the blank after cleaning heating;
Blank is carried out the forging of endoporus and the extruding of profile by the central siphon hollow pipe processing mold that such as the various embodiments described above provide.
Blank is positioned over pre-upsetting patrix 8 with the inner chamber of pre-upsetting counterdie 10, and is installed on press device, under the effect of press device, squeezed out the shape of central siphon hollow pipe by above-mentioned mould.The central siphon hollow pipe prepared by the method, inner hole structure basic forming, decreases following process surplus, significantly reduces difficulty of processing, and then improve working (machining) efficiency.
Present invention also offers a kind of central siphon hollow pipe processing technology, because central siphon hollow pipe processing technology provides based on the central siphon hollow pipe processing mold provided in above-described embodiment, so the beneficial effect of this central siphon hollow pipe processing technology please refer to above-described embodiment.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a central siphon hollow pipe processing mold, it is characterized in that, comprise pre-upsetting patrix, pre-upsetting counterdie and extrusion head, described pre-upsetting counterdie can support blank, under described pre-upsetting patrix and described pre-upsetting counterdie closure state, when described extrusion head is positioned at the hollow space of described pre-upsetting patrix and described pre-upsetting counterdie under press device effect, the die cavity that described extrusion head is formed with described pre-upsetting patrix and described pre-upsetting counterdie is identical with the structure of central siphon hollow pipe.
2. central siphon hollow pipe processing mold according to claim 1, it is characterized in that, also comprise the pre-upsetting patrix cylinder supporting described pre-upsetting patrix, mould cylinder is arranged with outside described pre-upsetting patrix and described pre-upsetting patrix cylinder, one end of described mould cylinder is connected with the trim ring other end and is connected with connecting plate, and described connecting plate is used for being connected with press device.
3. central siphon hollow pipe processing mold according to claim 2, is characterized in that, described connecting plate is connected with described press device bolt.
4. the central siphon hollow pipe processing mold according to any one of claim 1-3, it is characterized in that, also comprise pressure ram, one end of described pressure ram is connected with described extrusion head, pressure ram pressure strip is arranged with outside the other end of described pressure ram, the end face of described pressure ram pressure strip is provided with pressure ram backing plate, and described pressure ram pressure strip is all connected with die holder with described pressure ram backing plate.
5. central siphon hollow pipe processing mold according to claim 4, is characterized in that, one end that described pressure ram is connected with described pressure ram pressure strip is taper.
6. central siphon hollow pipe processing mold according to claim 5, it is characterized in that, described pressure ram is threaded with described extrusion head.
7. central siphon hollow pipe processing mold according to claim 6, is characterized in that, the end head deviating from described pressure ram of described extrusion head is truncated cone-shaped, and the angle of inclination of described round platform sidewall is 19-21 degree.
8. central siphon hollow pipe processing mold according to claim 7, is characterized in that, the pattern draft of described pre-upsetting patrix is 3 degree.
9. a central siphon hollow pipe processing technology, is characterized in that, comprises step:
Blanking, prepares the blank that internal diameter is the tubulose of 32-34mm;
Described blank is heated;
Clear up the oxide skin of the blank after described heating;
Described blank is carried out the forging of endoporus and the extruding of profile by central siphon hollow pipe processing mold as described in any one of claim 1-8.
10. central siphon hollow pipe processing technology according to claim 9, is characterized in that, comprise step:
Blanking, prepares the blank that internal diameter is the tubulose of 33mm;
Described blank is heated;
Clear up the oxide skin of the blank after described heating;
Described blank is carried out the forging of endoporus and the extruding of profile by central siphon hollow pipe processing mold as described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510626357.5A CN105081178A (en) | 2015-09-28 | 2015-09-28 | Machining process and machining die of shaft tube hollow tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510626357.5A CN105081178A (en) | 2015-09-28 | 2015-09-28 | Machining process and machining die of shaft tube hollow tube |
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| Publication Number | Publication Date |
|---|---|
| CN105081178A true CN105081178A (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510626357.5A Pending CN105081178A (en) | 2015-09-28 | 2015-09-28 | Machining process and machining die of shaft tube hollow tube |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300741A (en) * | 2020-04-07 | 2020-06-19 | 建德市晓艺饰品有限公司 | Manufacturing process of silicon rubber mold conveying belt |
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| CN2614097Y (en) * | 2003-04-07 | 2004-05-05 | 曹剑 | Forming die for pipe |
| CN202037287U (en) * | 2011-04-18 | 2011-11-16 | 徐州开元世纪重型锻压有限公司 | Automobile semi-axle blank pre-upsetting die |
| CN102274915A (en) * | 2011-04-18 | 2011-12-14 | 徐州开元世纪重型锻压有限公司 | Pre-upsetting mould for car semi-axis blank |
| CN104070129A (en) * | 2014-06-06 | 2014-10-01 | 济南中森机械制造有限公司 | Hot extrusion forging die for pipe with flange and deep blind taper hole shaft and forging technology thereof |
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