CN106238540A - The moulding process of a kind of cement pump line and equipment thereof - Google Patents
The moulding process of a kind of cement pump line and equipment thereof Download PDFInfo
- Publication number
- CN106238540A CN106238540A CN201610788775.9A CN201610788775A CN106238540A CN 106238540 A CN106238540 A CN 106238540A CN 201610788775 A CN201610788775 A CN 201610788775A CN 106238540 A CN106238540 A CN 106238540A
- Authority
- CN
- China
- Prior art keywords
- pipe
- extruding
- pump line
- straight sections
- die
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Pumps (AREA)
Abstract
The present invention relates to the former of a kind of cement pump line, it includes 2 pressurizing units being oppositely arranged, and the pressure ram of pressurizing unit is provided with extruding punch；Extruding punch is oppositely arranged on the same axis；It is provided with locking die between 2 extruding punch；Described locking die includes the straight sections of middle setting, and the Extruding die that straight sections two ends are arranged；The through hole for accommodating pipe it is provided with in the middle of straight sections；Described Extruding die is oppositely arranged with described extruding punch, for extruded to pipe two ends.The structure being formed in one by the cement pump line made by the present invention, intensity is high；Without again with welding material, providing cost savings；Meanwhile, production efficiency is greatly improved.
Description
Technical field
The present invention relates to the forming method of a kind of cement pump line, particularly relate to the moulding process of a kind of cement pump line and set
Standby.
Background technology
Cement pump line is also referred to as concrete pump line, and cement pump line is as the appearance of concrete pump and the one that simultaneously occurs
Novel architectural engineering aftermarket product, its appearance substantially increases the efficiency of construction, in the past need with manually or hang
The operating type of one barrel of bucket of car or a pipeful of bucket has changed the place quickly poured into a mould to needs by concrete conveyance into, makes efficiency of construction
Improve nearly a hundred times.
The tube head of pump line is the pipe joint through special processing, and the connection between pump line is connected by pipe clamp, and
Existing tube head is the form welded with the connected mode of pump line, and the form of welding error during manufacturing is relatively large,
Production efficiency is low, and the product after molding is unsightly, even there is the risk of cracking.
Summary of the invention
In place of it is an object of the invention to avoid the deficiencies in the prior art, it is provided that the moulding process of a kind of cement pump line and
Equipment, thus in place of effectively solving the deficiencies in the prior art.
For achieving the above object, the technical scheme that the present invention takes is: the former of a kind of cement pump line, it includes phase
To 2 pressurizing units arranged, the pressure ram of pressurizing unit is provided with extruding punch；Extruding punch is oppositely arranged on same axle
On line；It is provided with locking die between 2 extruding punch；
Described locking die includes the straight sections of middle setting, and the Extruding die that straight sections two ends are arranged；
The through hole for accommodating pipe it is provided with in the middle of straight sections；Described Extruding die is relative with described extruding punch to be set
Put, for extruded to pipe two ends.
Further, the internal diameter of described straight sections 5-10mm bigger than pipe external diameter.
Further, described Extruding die interior bone is being provided with the fixing of annular protrusion near described straight sections one end
Ring, the internal diameter of described fastening ring is suitable with the external diameter of described pipe, and described through hole is provided with tube head molding in the outside of snap ring
Die cavity.
Further, the thickness of described fastening ring is 30-50mm.
Further, the length of described locking die is more than the length of pipe, and the length of straight sections is less than the length of pipe, pipe
Base is placed in locking die, and the two ends of pipe are stretched in tube head shaping mold cavity after stretching out straight sections.
Further, described pressurizing unit includes support, and support is provided with the pressure ram that can slide along level, and support is arranged
There is the position-limit mechanism for limiting described pressure ram outreach.
Further, described position-limit mechanism is limit switch.
Further, described extruding punch includes that the boot segment set gradually to the back-end from top, primary extruded segment, middle rank squeeze
Pressure section, profiled section and the end section of leaning；The external diameter of described boot segment is less than the internal diameter of pipe；The external diameter of described profiled section and molding
After pipe internal diameter identical；The end face outside of the end section of leaning acts against on the end face of pipe.
Further, described extruding punch being additionally provided with spacing section after described profiled section, the external diameter of spacing section is more than institute
State the through hole internal diameter of Extruding die.
Further, the tapering of described primary extruded segment is 1: 5～8.
Further, the cone angle of described primary extruded segment is 4-6 °.
Further, the tapering of described middle rank extruded segment is 1: 14～55.
Further, the cone angle of described middle rank extruded segment is 0.5-2 °.
Further, after described extruding punch and Extruding die matched moulds, the intermediate extruded segment of extruding punch crosses tube head molding
Die cavity stretches in described straight sections.
A kind of moulding process of cement pump line, its step includes:
Step 1: heating with two ends to pipe in intermediate-frequency heating furnace, the region of heating is the length range of tube head；
The two ends of pipe are heated to 1200 DEG C-1250 DEG C, and the time of heating is the 8-12 second；
Step 2: be placed in described locking die by the pipe heated in step 1, compresses, and starts two ends extruding simultaneously
Device, carries out extruded to the tube head at pipe two ends；After extruding punch and Extruding die matched moulds, the middle rank extruding of extruding punch
Section is crossed tube head shaping mold cavity and is stretched in straight sections.
Further, the extrusion time in described step 2 is 6-10s.
The technique scheme of the present invention has the advantages that and is integrated into by the cement pump line made by the present invention
The structure of type, intensity is high, and wearability is good；Without again with welding material, providing cost savings；Meanwhile, production efficiency is greatly improved, phase
Compared with traditional welding procedure, 20% energy can be saved.
Accompanying drawing explanation
Fig. 1 is the plane graph of the pump line after embodiment of the present invention molding；
Fig. 2 is the structural representation of former in the embodiment of the present invention；
Fig. 3 is the partial enlarged drawing in Fig. 2 at A；
Fig. 4 is the former structural representation when base pipe is put in the embodiment of the present invention；
Fig. 5 is the partial enlarged drawing in Fig. 4 at B；
Fig. 6 is the embodiment of the present invention former structural representation when pipe is compressing；
Fig. 7 is the partial enlarged drawing in Fig. 6 at C.
Detailed description of the invention
With embodiment, embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings.Following example are used for
The present invention is described, but can not be used for limiting the scope of the present invention.
In describing the invention, it should be noted that except as otherwise noted, " multiple " be meant that two or two with
On；Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody "
Or position relationship is based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, and
It not to indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore
It is not considered as limiting the invention.Additionally, term " first ", " second ", " the 3rd " etc. are only used for describing purpose, and can not
It is interpreted as instruction or hint relative importance.
In describing the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " install ",
" be connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or connect integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary.Right
For those of ordinary skill in the art, visual concrete condition understands above-mentioned term concrete meaning in the present invention.
As shown in figs. 1-7, the former of a kind of cement pump line that the present embodiment provides, it includes 2 be oppositely arranged
Pressurizing unit 8, the pressure ram of pressurizing unit 8 is provided with extruding punch 4；Extruding punch 4 is oppositely arranged on the same axis；2
It is provided with locking die 3 between individual extruding punch 4；
Locking die 3 includes the straight sections 5 of middle setting, and the Extruding die 6 that straight sections 5 two ends are arranged；
It is provided with the through hole for accommodating pipe 1 in the middle of straight sections 5；Extruding die 6 is oppositely arranged with extruding punch 4, uses
In extruded to pipe 1 two ends.
The internal diameter of straight sections 5 is than the pipe 1 big 5-10mm of external diameter.
Extruding die 6 interior bone is being provided with the fastening ring 6a of annular protrusion near straight sections 5 one end, fastening ring 6a's
Internal diameter is suitable with the external diameter of pipe 1, and through hole is provided with tube head shaping mold cavity 6b in the outside of snap ring.
The length of locking die 3 is more than the length of pipe 1, and the length of straight sections 5 is less than the length of pipe 1, and pipe 1 is placed
In locking die 3, the two ends of pipe 1 are stretched into after stretching out straight sections 5 in tube head shaping mold cavity 6b.
Pressurizing unit 8 includes support 8a, and support 8a is provided with the pressure ram that can slide along level, and support 8a is provided with use
In the position-limit mechanism limiting pressure ram outreach.
Position-limit mechanism is limit switch.
Extruding punch 4 includes the boot segment set gradually to the back-end from top, primary extruded segment, middle rank extruded segment, molding
Section and the end section of leaning；The external diameter of boot segment is less than the internal diameter of pipe 1；Pipe 1 internal diameter phase after the external diameter of profiled section and molding
With；The end face outside of the end section of leaning acts against on the end face of pipe 1；It is additionally provided with spacing on extruding punch 4 after profiled section
Section, the external diameter of spacing section is more than the through hole internal diameter of Extruding die 6；The tapering of primary extruded segment is 1: 5～8.Middle rank extruded segment
Tapering is 1: 14～55；After extruding punch 4 and Extruding die 6 matched moulds, the intermediate extruded segment of extruding punch 4 crosses tube head shaping mould
Chamber 6b stretches in straight sections 5.
A kind of moulding process of cement pump line, its step includes:
Step 1: heating with two ends to pipe 1 in intermediate-frequency heating furnace, the region of heating is the length model of tube head 2
Enclose；The two ends of pipe 1 are heated to 1200 DEG C-1250 DEG C, and the time of heating is the 8-12 second；
Step 2: be placed in locking die 3 by the pipe 1 heated in step 1, compresses, and starts two ends extruding dress simultaneously
Putting 8, carry out extruded to the tube head 2 at pipe 1 two ends, wherein, extrusion time is 6-10s, extruding punch 4 and Extruding die 6
After matched moulds, the intermediate extruded segment of extruding punch 4 is crossed tube head shaping mold cavity 6b and is stretched in straight sections 5.
Embodiments of the invention are given for example with for the sake of describing, and are not exhaustively or by this
Bright it is limited to disclosed form.Many modifications and variations are apparent from for the ordinary skill in the art.Choosing
Selecting and describe embodiment is in order to the principle of the present invention and actual application are more preferably described, and makes those of ordinary skill in the art
It will be appreciated that the present invention thus design is suitable to the various embodiments with various amendments of special-purpose.
Claims (10)
1. the former of a cement pump line, it is characterised in that it includes 2 pressurizing units being oppositely arranged, pressurizing unit
Pressure ram on be provided with extruding punch；Extruding punch is oppositely arranged on the same axis；It is provided with lock between 2 extruding punch
Tight mould；
Described locking die includes the straight sections of middle setting, and the Extruding die that straight sections two ends are arranged；
The through hole for accommodating pipe it is provided with in the middle of straight sections；Described Extruding die is oppositely arranged with described extruding punch, uses
In extruded to pipe two ends.
The former of a kind of cement pump line the most according to claim 1, it is characterised in that the internal diameter ratio of described straight sections
The big 5-10mm of pipe external diameter.
The former of a kind of cement pump line the most according to claim 2, it is characterised in that described Extruding die is internal logical
Hole is being provided with the fastening ring of annular protrusion, the internal diameter of described fastening ring and the external diameter of described pipe near described straight sections one end
Suitable, described through hole is provided with tube head shaping mold cavity in the outside of snap ring.
The former of a kind of cement pump line the most according to claim 3, it is characterised in that the length of described locking die
More than the length of pipe, the length of straight sections is less than the length of pipe, and pipe is placed in locking die, and the two ends of pipe are stretched out
Stretch into after straight sections in tube head shaping mold cavity.
The former of a kind of cement pump line the most according to claim 1, it is characterised in that described pressurizing unit includes propping up
Frame, support is provided with the pressure ram that can slide along level, and support is provided with the limit for limiting described pressure ram outreach
Position mechanism.
The former of a kind of cement pump line the most according to claim 1, it is characterised in that described extruding punch includes certainly
The boot segment that top sets gradually to the back-end, primary extruded segment, middle rank extruded segment, profiled section and the end section of leaning；Described guiding
The external diameter of section is less than the internal diameter of pipe；The external diameter of described profiled section is identical with the pipe internal diameter after molding；Outside the section of leaning of end
Side end face acts against on the end face of pipe.
The former of a kind of cement pump line the most according to claim 6, it is characterised in that in institute on described extruding punch
Being additionally provided with spacing section after stating profiled section, the external diameter of spacing section is more than the through hole internal diameter of described Extruding die.
The former of a kind of cement pump line the most according to claim 1, it is characterised in that the cone of described primary extruded segment
Degree is 1: 5～8；The tapering of described middle rank extruded segment is 1: 14～55.
The former of a kind of cement pump line the most according to claim 6, it is characterised in that described extruding punch and extruding
After die matched moulds, the intermediate extruded segment of extruding punch is crossed tube head shaping mold cavity and is stretched in described straight sections.
10. using a moulding process for the cement pump line of above-mentioned former, its step includes:
Step 1: heating with two ends to pipe in intermediate-frequency heating furnace, the region of heating is the length range of tube head；Will pipe
The two ends of base are heated to 1200 DEG C-1250 DEG C, and the time of heating is the 8-12 second；
Step 2: be placed in described locking die by the pipe heated in step 1, compresses, and starts two ends extruding dress simultaneously
Put, the tube head at pipe two ends is carried out extruded；After extruding punch and Extruding die matched moulds, the intermediate extruded segment of extruding punch
Cross tube head shaping mold cavity to stretch in straight sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788775.9A CN106238540A (en) | 2016-08-31 | 2016-08-31 | The moulding process of a kind of cement pump line and equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788775.9A CN106238540A (en) | 2016-08-31 | 2016-08-31 | The moulding process of a kind of cement pump line and equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106238540A true CN106238540A (en) | 2016-12-21 |
Family
ID=58079894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610788775.9A Pending CN106238540A (en) | 2016-08-31 | 2016-08-31 | The moulding process of a kind of cement pump line and equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106238540A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260407A (en) * | 2021-12-09 | 2022-04-01 | 西南铝业（集团）有限责任公司 | Preparation process of aluminum alloy thin-wall, long-cylinder and thick-flange forging |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD220520A1 (en) * | 1983-10-14 | 1985-04-03 | Altenburg Elektrowaerme | DEVICE FOR TAKING INTO THE EDGE OF THOUSAND HOLLOW BODY |
| JPS6174713A (en) * | 1984-09-19 | 1986-04-17 | Kawasaki Steel Corp | Method and device for reducing wall thickness at pipe end of seamless steel pipe |
| WO2005102555A1 (en) * | 2004-04-20 | 2005-11-03 | Tube Investments Of India Limited | A method of producing thin walled metal tubes with thickened ends |
| CN102430606A (en) * | 2011-12-16 | 2012-05-02 | 徐州达一锻压设备有限公司 | Once-forming extruding machine for tubular axle blank of heavy truck |
| CN102513426A (en) * | 2011-12-28 | 2012-06-27 | 北京华强京工机械制造有限公司 | Production method of concrete conveying pipe |
| CN103157726A (en) * | 2013-04-12 | 2013-06-19 | 柳州力通车用空调有限公司 | Pipe joint expanded connection expanded sleeve mould |
-
2016
- 2016-08-31 CN CN201610788775.9A patent/CN106238540A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD220520A1 (en) * | 1983-10-14 | 1985-04-03 | Altenburg Elektrowaerme | DEVICE FOR TAKING INTO THE EDGE OF THOUSAND HOLLOW BODY |
| JPS6174713A (en) * | 1984-09-19 | 1986-04-17 | Kawasaki Steel Corp | Method and device for reducing wall thickness at pipe end of seamless steel pipe |
| WO2005102555A1 (en) * | 2004-04-20 | 2005-11-03 | Tube Investments Of India Limited | A method of producing thin walled metal tubes with thickened ends |
| CN102430606A (en) * | 2011-12-16 | 2012-05-02 | 徐州达一锻压设备有限公司 | Once-forming extruding machine for tubular axle blank of heavy truck |
| CN102513426A (en) * | 2011-12-28 | 2012-06-27 | 北京华强京工机械制造有限公司 | Production method of concrete conveying pipe |
| CN103157726A (en) * | 2013-04-12 | 2013-06-19 | 柳州力通车用空调有限公司 | Pipe joint expanded connection expanded sleeve mould |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260407A (en) * | 2021-12-09 | 2022-04-01 | 西南铝业（集团）有限责任公司 | Preparation process of aluminum alloy thin-wall, long-cylinder and thick-flange forging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161221 |
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| RJ01 | Rejection of invention patent application after publication |