CN103252407A - Hydraulic drive splitting and combining type forming mold structure for corrugated pipes - Google Patents
Hydraulic drive splitting and combining type forming mold structure for corrugated pipes Download PDFInfo
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- CN103252407A CN103252407A CN2012100337779A CN201210033777A CN103252407A CN 103252407 A CN103252407 A CN 103252407A CN 2012100337779 A CN2012100337779 A CN 2012100337779A CN 201210033777 A CN201210033777 A CN 201210033777A CN 103252407 A CN103252407 A CN 103252407A
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Abstract
The invention discloses a hydraulic drive splitting and combining type forming mold structure for corrugated pipes. A frame type mold base is used as a main framework component of the hydraulic drive splitting and combining type forming mold structure, and the hydraulic drive splitting and combining type forming mold structure comprises a splitting and combining mold splitting and combining mechanism and splitting and combining mold locking mechanisms; the splitting and combining mold splitting and combining mechanism comprises guide rails, an upper splitting and combining mold assembly, a lower splitting and combining mold assembly and hydraulic cylinders, the guide rails are uprightly arranged on inner sides of side plates on the left side and the right side of the mold base, the upper splitting and combining mold assembly and the lower splitting and combining mold assembly can move up and down along the guide rails, and the hydraulic cylinders are used for driving the upper splitting and combining mold assembly and the lower splitting and combining mold assembly; split mold plates in the upper splitting and combining mold assembly and the lower splitting and combining mold assembly can be combined with each other by positioning holes and positioning pins; and the splitting and combining mold locking mechanisms are arranged on upper and lower portions of the side plates on the two sides of the mold base. When splitting and combining molds are closed, locking hydraulic cylinders drive wedge-shaped pressure heads of front-end locking pressure rods to be coupled with wedge-shaped cushion blocks on an upper mold seat plate and a lower mold seat plate, so that the splitting and combining molds are locked. The hydraulic drive splitting and combining type forming mold structure has the advantages that the hydraulic drive splitting and combining type forming mold structure is high in rigidity, and the splitting and combining molds can be reliably split or can be reliably combined with each other, and can be in stable closed and locked states in a corrugated pipe forming procedure.
Description
Technical field
The present invention relates to a kind of bellow forming structure.
Background technology
Existing bellows major part is to adopt bellow forming compression moulding at corrugated pipe forming machine.Existing bellow forming comprises branch matched moulds deciliter mechanism and divides matched mould locking mechanism.Disclose a kind of minute matched moulds deciliter mechanism in the patent " corrugated pipe forming machine " of Chinese patent publication number CN200988067Y and divided matched mould locking mechanism: will divide matrix to be sleeved on the guide rod, guide rod one end is connected with the rocker arm body of Driven by Hydraulic Cylinder, by the rocker arm body that rotates around bolster realize dividing matched moulds deciliter, and by locking arm that the rocking arm upper end is sealed, and then locking divides matched moulds.Though this structure has realized branch matched moulds deciliter and locking by mechanism, but driving the guide rod be set with the branch matrix by the rocker arm body that is arranged on guide rod one end rotates and realizes dividing matched moulds deciliter, and realize locking, obvious rigidity deficiency, the distortion of guide rod may influence a deciliter process, certainly, also can influence locking effect; On the other hand, in the bellows forming process, need make the branch matched moulds be in stable closure and locking state always, this just need provide pressure stable for the hydraulic cylinder that drives rocker arm body, fluctuation appears if drive the cylinder pressure of rocker arm body, closure and the locking state of branch matched moulds will be influenced, and then bad influence can be caused to the compression moulding of bellows.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of good rigidly is provided, can realize dividing reliable deciliter of matched moulds; In the bellows forming process, can make the branch matched moulds be in the hydraulic-driven separating-closing type bellow forming structure of stable closure and locking state always.
The present invention is achieved through the following technical solutions technical goal.
Hydraulic-driven separating-closing type bellow forming structure, it is the main body framework member with the frame-type mould bases, it comprises branch matched moulds deciliter mechanism and divides matched mould locking mechanism; Described mould bases comprises top board, base plate, left and right sides side plate; Left and right sides side plate is coaxial connection positioning component, pressure exerting arrangement respectively, and the axis of positioning component, pressure exerting arrangement is the straight tube mounting center axis of horizontal; Its improvements are: described minute matched moulds deciliter mechanism comprises vertically-arranged at the guide rail of side plate inboard, the mould bases left and right sides, on deciliter membrane module and the following deciliter membrane module that can move up and down along guide rail and is used for driving on deciliter membrane module and the hydraulic cylinder of following deciliter membrane module; Described Shang deciliter membrane module, following deciliter membrane module be separately positioned on the straight tube mounting center axis, under; Described Shang deciliter membrane module comprises upper clamping plate, guide post, the branch matrix of horizontal; Described upper clamping plate two ends are provided with the end plate of downward extension, constitute downward cantilever; At least 3 guide posts are fixedly connected between the two end plates, and its axis is parallel with straight tube mounting center axis; Several minutes, matrix was sleeved on the guide post, can slide along guide post; Described upper clamping plate two ends or/and end plate cooperate with guide clearance; Described following deciliter membrane module comprises counterdie seat board, guide post, the branch matrix of horizontal; Described counterdie seat board two ends are provided with upwardly extending end plate, constitute cantilever upwards; At least 3 guide posts are fixedly connected between the two end plates, and its axis is parallel with straight tube mounting center axis; Several minutes, matrix was sleeved on the guide post, can slide along guide post; Described counterdie seat board two ends or/and end plate cooperate with guide clearance; Branch matrix in described Shang deciliter membrane module is corresponding up and down with branch matrix in the following deciliter membrane module, and can combine by locating hole and the alignment pin of matched in clearance on the faying face;
In side plate upper and lower part, mould bases both sides the branch matched mould locking mechanism is set, it comprises locking depression bar, guide pin bushing, locking hydraulic cylinder, is fixedly connected on the correcting wedge at two ends, counterdie seat board lower surface in two ends, upper clamping plate upper surface in deciliter membrane module and the following deciliter membrane module respectively; Described locking hydraulic cylinder is fixedly connected on the side plate outer wall, and piston rod is come in and gone out end towards mould bases; Locking depression bar rear end is connected with locking hydraulic cylinder piston boom end, and its front end stretches into the guide pin bushing endoporus that is fixedly connected on the side plate outside side plate, and with guide pin bushing endoporus matched in clearance; Described locking depression bar front end is provided with wedge shaped pressure head, and the wedge surface of locking the depression bar wedge shaped pressure head up and down is relative; The wedge surface of correcting wedge is opposing up and down; The key groove α 1 of described correcting wedge equals to lock the key groove α 2 of depression bar front end wedge shaped pressure head; The key groove α 2 of described locking depression bar front end wedge shaped pressure head is 6 °～8 °; When the branch matrix in the branch matrix in last deciliter membrane module, the following deciliter membrane module is closed, the locking depression bar wedge shaped pressure head and correcting wedge phase wedging that stretch out in the guide pin bushing.
A kind of further technical scheme of the present invention is: the hydraulic cylinder that is used for driving Shang deciliter membrane module and following deciliter membrane module is fixedly connected on top board, the base plate of mould bases respectively.
The another kind of further technical scheme of the present invention is: described guide rail is provided with dovetail groove.
The another kind of further technical scheme of the present invention is: the branch die attachment face in described Shang deciliter membrane module is provided with locating hole, and the branch die attachment face in following deciliter membrane module is provided with alignment pin.
The another kind of further technical scheme of the present invention is: the branch die attachment face in described Shang deciliter membrane module is provided with alignment pin, and the branch die attachment face in following deciliter membrane module is provided with locating hole.
The another kind of further technical scheme of the present invention is: the quantity of guide post respectively is 4 in guide post in described Shang deciliter membrane module, the following deciliter membrane module.
The another kind of further technical scheme of the present invention is: left side side plate inwall is provided with locating ring, and the fairlead in the pressure exerting arrangement is provided with the ring-type convex shoulder in right side side plate inwall one side, formation Shang deciliter membrane module, the following deciliter position limiting structure that membrane module moves up and down.
The present invention compared with prior art has following good effect:
1. be provided with branch matched moulds deciliter mechanism at the mould bases inner chamber, the Shang deciliter membrane module that moves up and down by hydraulic-driven, along the vertically-arranged guide rail and following deciliter membrane module realize dividing matched moulds deciliter, divide the matched moulds good rigidly, can realize reliable deciliter of minute matched moulds.
2. during the bellows moulding, Shang deciliter membrane module, following deciliter membrane module closure at this moment, are divided locking depression bar wedge shaped pressure head and correcting wedge phase wedging in the matched mould locking mechanism, and a minute matched moulds is locked.The key groove α 2 of locking depression bar front end wedge shaped pressure head and the key groove α 1 of correcting wedge are 6 °～8 °, be in self-locking state behind feasible locking depression bar wedge shaped pressure head and the correcting wedge wedging, even fluctuation appears in fluid pressure drive device pressure, also can not influence the locking effect of branch matched mould locking mechanism, in the bellows forming process, can make the branch matched moulds be in stable closure and locking state so always; Top and the bottom in the both sides of minute matched moulds all are provided with the branch matched mould locking mechanism, have guaranteed to divide matched moulds to be in the integral rigidity of locking state.
3. the branch matrix of going up in a deciliter membrane module, the following deciliter membrane module can combine by locating hole and the alignment pin of matched in clearance on the faying face, can guarantee the overall precision after the branch die attachment.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the A-A cutaway view among Fig. 1.
Fig. 3 is the B-B cutaway view among Fig. 1.
Fig. 4 is the C-C cutaway view among Fig. 2.
Fig. 5 is the structural representation of of the present invention minute matched moulds separated position.
Fig. 6 is the I part enlarged diagram among Fig. 3.
Fig. 7 is the III part enlarged diagram among Fig. 5.
Fig. 8 is the IV part enlarged diagram among Fig. 5.
Fig. 9 is the V part enlarged diagram among Fig. 5.
Figure 10 is the VI part enlarged diagram among Fig. 5.
The specific embodiment
The invention will be further described with reference to the accompanying drawings and in conjunction with the embodiments below.
Hydraulic-driven separating-closing type bellow forming structure shown in the drawings, it is the main body framework member with frame-type mould bases 2, it comprises branch matched moulds deciliter mechanism and divides matched mould locking mechanism; Mould bases 2 comprises top board 2.2, base plate 2.3, left and right sides side plate 2.1; Left and right sides side plate 2.1 is coaxial connection positioning component 5, pressure exerting arrangement 7 respectively, and the axis of positioning component 5, pressure exerting arrangement 7 is the straight tube 8 mounting center axis 9 of horizontal; Divide matched moulds deciliter mechanism to comprise vertically-arranged at the guide rail 1.7 of mould bases 2 left and right sides side plates 2.1 inboards, on deciliter membrane module 1.3 and the following deciliter membrane module 1.8 that can move up and down along guide rail 1.7 and be used for driving on deciliter membrane module 1.3 and the hydraulic cylinder 1.4 of following deciliter membrane module 1.8; In the present embodiment, guide rail 1.7 is provided with dovetail groove, and the hydraulic cylinder 1.4 that is used for driving Shang deciliter membrane module 1.3 and following deciliter membrane module 1.8 is fixedly connected on top board 2.2, the base plate 2.3 of mould bases 2 respectively; Shang deciliter membrane module 1.3, following deciliter membrane module 1.8 be separately positioned on the straight tube 8 mounting center axis 9, under; Shang deciliter membrane module 1.3 comprises upper clamping plate 1.3.3, guide post 1.3.2, the branch matrix 1.3.4 of horizontal; Upper clamping plate 1.3.3 two ends are provided with the end plate 1.3.1 of downward extension, constitute downward cantilever; At least 3 guide post 1.3.2 are fixedly connected between the two end plates 1.3.1, and its axis is parallel with straight tube 8 mounting center axis 9; In the present embodiment, 4 guide post 1.3.2 are fixedly connected between the two end plates 1.3.1; Several minutes matrix 1.3.4 is sleeved on the guide post 1.3.2, can slide along guide post 1.3.2; Upper clamping plate 1.3.3 two ends are or/and end plate 1.3.1 and guide rail 1.7 matched in clearance; Following deciliter membrane module 1.8 comprises counterdie seat board 1.8.3, guide post 1.8.2, the branch matrix 1.8.4 of horizontal; Counterdie seat board 1.8.3 two ends are provided with upwardly extending end plate 1.8.1, constitute cantilever upwards; At least 3 guide post 1.8.2 are fixedly connected between the two end plates 1.8.1, and its axis is parallel with straight tube 8 mounting center axis 9; In the present embodiment, 4 guide post 1.8.2 are fixedly connected between the two end plates 1.8.1; Several minutes matrix 1.8.4 is sleeved on the guide post 1.8.2, can slide along guide post 1.8.2; Counterdie seat board 1.8.3 two ends are or/and end plate 1.8.1 and guide rail 1.7 matched in clearance; Branch matrix 1.3.4 in Shang deciliter membrane module 1.3 is corresponding up and down with branch matrix 1.8.4 in the following deciliter membrane module 1.8, and can combine by locating hole 1.3.5 and the alignment pin 1.8.5 of matched in clearance on the faying face; In the present embodiment, the branch matrix 1.3.4 faying face in Shang deciliter membrane module 1.3 is provided with locating hole 1.3.5, and the branch matrix 1.8.4 faying face in following deciliter membrane module 1.8 is provided with alignment pin 1.8.5; In the present embodiment, left side side plate 2.1 inwalls are provided with locating ring 4, fairlead 7.1 in the pressure exerting arrangement 7 is provided with the ring-type convex shoulder in right side side plate 2.1 inwalls one side, formation Shang deciliter membrane module 1.3, the following deciliter position limiting structure that membrane module 1.8 moves up and down, when Shang deciliter membrane module 1.3, following deciliter membrane module 1.8 move to the position that position limiting structure limits, branch matrix 1.8.4 closure in branch matrix 1.3.4 in Shang deciliter membrane module 1.3, the following deciliter membrane module 1.8, its faying face just in time is positioned at the horizontal plane at straight tube 8 mounting center axis 9 places.
Among the present invention, in mould bases 2 both sides side plates 2.1 upper and lower parts branch matched mould locking mechanism 3 is set, it comprises locking depression bar 3.2, guide pin bushing 3.3, locking hydraulic cylinder 3.4, is fixedly connected on the correcting wedge 3.1 at two ends, counterdie seat board 1.8.3 lower surface in two ends, upper clamping plate 1.3.3 upper surface in deciliter membrane module 1.3 and the following deciliter membrane module 1.8 respectively; Locking hydraulic cylinder 3.4 is fixedly connected on side plate 2.1 outer walls, and piston rod is come in and gone out end towards mould bases 2; Locking depression bar 3.2 rear ends with lock hydraulic cylinder 3.4 piston rod ends and be connected, its front end stretches into guide pin bushing 3.3 endoporus that are fixedly connected on the side plate 2.1 from side plate 2.1 outsides, and with guide pin bushing 3.3 endoporus matched in clearance; Locking depression bar 3.2 front ends are provided with wedge shaped pressure head, and the wedge surface of locking depression bar 3.2 wedge shaped pressure heads up and down is relative; The wedge surface of correcting wedge 3.1 is opposing up and down; The key groove α 1 of correcting wedge 3.1 equals to lock the key groove α 2 of depression bar 3.2 front end wedge shaped pressure heads; The key groove α 2 of locking depression bar 3.2 front end wedge shaped pressure heads is 6 °～8 °; When the branch matrix 1.8.4 in the branch matrix 1.3.4 in last deciliter membrane module 1.3, the following deciliter membrane module 1.8 is closed, locking depression bar 3.2 wedge shaped pressure heads and correcting wedge 3.1 phase wedgings that stretch out in the guide pin bushing 3.3.
The course of work of the present invention is: straight tube 8 levels are put into location between positioning component 5, the pressure exerting arrangement 7, clamped and sealing; Shang deciliter membrane module 1.3 and following deciliter membrane module 1.8 are under hydraulic cylinder 1.4 drives, and be closed along guide rail 1.7 upper and lower mobile backs respectively; Divide locking hydraulic cylinder 3.4 driving locking depression bars 3.2 wedge shaped pressure heads in the matched mould locking mechanism 3 to stretch out and correcting wedge 3.1 phase wedgings in guide pin bushing 3.3, locking divides matched moulds; After the bellows compression moulding, divide locking hydraulic cylinder 3.4 in the matched mould locking mechanism 3 to drive locking depression bars 3.2 and retreat, locking depression bar 3.2 wedge shaped pressure heads are return in the guide pin bushing 3.3, and Shang deciliter membrane module 1.3 and following deciliter membrane module 1.8 separate under hydraulic cylinder 1.4 drives.
Claims (7)
1. hydraulic-driven separating-closing type bellow forming structure, it is the main body framework member with frame-type mould bases (2), it comprises branch matched moulds deciliter mechanism and divides matched mould locking mechanism; Described mould bases (2) comprises top board (2.2), base plate (2.3), left and right sides side plate (2.1); Left and right sides side plate (2.1) is coaxial connection positioning component (5), pressure exerting arrangement (7) respectively, and the axis of positioning component (5), pressure exerting arrangement (7) is straight tube (8) mounting center axis (9) of horizontal; It is characterized in that: described minute matched moulds deciliter mechanism comprises that vertically-arranged is at the inboard guide rail (1.7) of mould bases (2) left and right sides side plate (2.1), Shang deciliter membrane module (1.3) that can move up and down along guide rail (1.7) and following deciliter membrane module (1.8) and for the hydraulic cylinder (1.4) of driving Shang deciliter membrane module (1.3) and following deciliter membrane module (1.8); Described Shang deciliter membrane module (1.3), following deciliter membrane module (1.8) be separately positioned on straight tube (8) mounting center axis (9), under; Described Shang deciliter membrane module (1.3) comprises upper clamping plate (1.3.3), guide post (1.3.2), the branch matrix (1.3.4) of horizontal; Described upper clamping plate (1.3.3) two ends are provided with the end plate (1.3.1) of downward extension, constitute downward cantilever; At least 3 guide posts (1.3.2) are fixedly connected between the two end plates (1.3.1), and its axis is parallel with straight tube (8) mounting center axis (9); Several minutes matrixs (1.3.4) are sleeved on the guide post (1.3.2), can slide along guide post (1.3.2); Described upper clamping plate (1.3.3) two ends are or/and end plate (1.3.1) and guide rail (1.7) matched in clearance; Described following deciliter membrane module (1.8) comprises counterdie seat board (1.8.3), guide post (1.8.2), the branch matrix (1.8.4) of horizontal; Described counterdie seat board (1.8.3) two ends are provided with upwardly extending end plate (1.8.1), constitute cantilever upwards; At least 3 guide posts (1.8.2) are fixedly connected between the two end plates (1.8.1), and its axis is parallel with straight tube (8) mounting center axis (9); Several minutes matrixs (1.8.4) are sleeved on the guide post (1.8.2), can slide along guide post (1.8.2); Described counterdie seat board (1.8.3) two ends are or/and end plate (1.8.1) and guide rail (1.7) matched in clearance; Branch matrix (1.3.4) in described Shang deciliter membrane module (1.3) is corresponding up and down with the branch matrix (1.8.4) in the following deciliter membrane module (1.8), and can combine by locating hole (1.3.5) and the alignment pin (1.8.5) of matched in clearance on the faying face;
In mould bases (2) both sides side plates (2.1) upper and lower part branch matched mould locking mechanism (3) is set, it comprises locking depression bar (3.2), guide pin bushing (3.3), locking hydraulic cylinder (3.4), is fixedly connected on the correcting wedge (3.1) at upper clamping plate (1.3.3) two ends, upper surface and middle counterdie seat board (1.8.3) two ends, lower surface of following deciliter membrane module (1.8) in deciliter membrane module (1.3) respectively; Described locking hydraulic cylinder (3.4) is fixedly connected on side plate (2.1) outer wall, and piston rod is come in and gone out end towards mould bases (2); Locking depression bar (3.2) rear end is connected with locking hydraulic cylinder (3.4) piston rod end, and its front end stretches into guide pin bushing (3.3) endoporus that is fixedly connected on the side plate (2.1) outside side plate (2.1), and with guide pin bushing (3.3) endoporus matched in clearance; Described locking depression bar (3.2) front end is provided with wedge shaped pressure head, and the wedge surface of locking depression bar (3.2) wedge shaped pressure head up and down is relative; The wedge surface of correcting wedge (3.1) is opposing up and down; The key groove α 1 of described correcting wedge (3.1) equals to lock the key groove α 2 of depression bar (3.2) front end wedge shaped pressure head; The key groove α 2 of described locking depression bar (3.2) front end wedge shaped pressure head is 6 °～8 °; When the branch matrix (1.3.4) in last deciliter membrane module (1.3), when branch matrix (1.8.4) in the following deciliter membrane module (1.8) is closed, locking depression bar (3.2) wedge shaped pressure head and correcting wedge (3.1) phase wedging that stretch out in the guide pin bushing (3.3).
2. hydraulic-driven separating-closing type bellow forming structure according to claim 1 is characterized in that: the top board (2.2), the base plate (2.3) that are fixedly connected on mould bases (2) for the hydraulic cylinder (1.4) of driving Shang deciliter membrane module (1.3) and following deciliter membrane module (1.8) respectively.
3. hydraulic-driven separating-closing type bellow forming structure according to claim 1, it is characterized in that: described guide rail (1.7) is provided with dovetail groove.
4. hydraulic-driven separating-closing type bellow forming structure according to claim 1, it is characterized in that: branch matrix (1.3.4) faying face in described Shang deciliter membrane module (1.3) is provided with locating hole (1.3.5), and branch matrix (1.8.4) faying face in the following deciliter membrane module (1.8) is provided with alignment pin (1.8.5).
5. hydraulic-driven separating-closing type bellow forming structure according to claim 1, it is characterized in that: branch matrix (1.3.4) faying face in described Shang deciliter membrane module (1.3) is provided with alignment pin (1.8.5), and branch matrix (1.8.4) faying face in the following deciliter membrane module (1.8) is provided with locating hole (1.3.5).
6. hydraulic-driven separating-closing type bellow forming structure according to claim 1 is characterized in that: in described Shang deciliter membrane module (1.3) in guide post (1.3.2), the following deciliter membrane module (1.8) quantity of guide post (1.8.2) respectively be 4.
7. hydraulic-driven separating-closing type bellow forming structure according to claim 1, it is characterized in that: left side side plate (2.1) inwall is provided with locating ring (4), fairlead (7.1) in the pressure exerting arrangement (7) is provided with the ring-type convex shoulder in right side side plate (2.1) inwall one side, the position limiting structure that formation Shang deciliter membrane module (1.3), following deciliter membrane module (1.8) move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100337779A CN103252407A (en) | 2012-02-16 | 2012-02-16 | Hydraulic drive splitting and combining type forming mold structure for corrugated pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100337779A CN103252407A (en) | 2012-02-16 | 2012-02-16 | Hydraulic drive splitting and combining type forming mold structure for corrugated pipes |
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| CN103252407A true CN103252407A (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100337779A Pending CN103252407A (en) | 2012-02-16 | 2012-02-16 | Hydraulic drive splitting and combining type forming mold structure for corrugated pipes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115778A (en) * | 2015-09-25 | 2015-12-02 | 重庆盛镁镁业有限公司 | Hydraulic type die inspection device |
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| JPH01257025A (en) * | 1988-04-08 | 1989-10-13 | Hitachi Ltd | Manufacture of oval bellows |
| KR20020023995A (en) * | 2002-01-04 | 2002-03-29 | 김수환 | Apparatus for manufacturing flexible metallic pipe |
| CN101044007A (en) * | 2004-08-18 | 2007-09-26 | 德罗斯巴赫有限两合公司 | Device for producing corrugated pipes |
| CN101239365A (en) * | 2007-12-26 | 2008-08-13 | 沈阳仪表科学研究院 | Car drive shaft corrugated tube forming equipment |
| CN101564743A (en) * | 2009-06-05 | 2009-10-28 | 北京兴达波纹管有限公司 | Precision corrugated pipe forming machine |
| CN202479356U (en) * | 2012-02-16 | 2012-10-10 | 泰州华腾管道设备有限公司 | Hydraulic drive separating-combining corrugated pipe forming die structure |
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2012
- 2012-02-16 CN CN2012100337779A patent/CN103252407A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01257025A (en) * | 1988-04-08 | 1989-10-13 | Hitachi Ltd | Manufacture of oval bellows |
| KR20020023995A (en) * | 2002-01-04 | 2002-03-29 | 김수환 | Apparatus for manufacturing flexible metallic pipe |
| CN101044007A (en) * | 2004-08-18 | 2007-09-26 | 德罗斯巴赫有限两合公司 | Device for producing corrugated pipes |
| CN101239365A (en) * | 2007-12-26 | 2008-08-13 | 沈阳仪表科学研究院 | Car drive shaft corrugated tube forming equipment |
| CN101564743A (en) * | 2009-06-05 | 2009-10-28 | 北京兴达波纹管有限公司 | Precision corrugated pipe forming machine |
| CN202479356U (en) * | 2012-02-16 | 2012-10-10 | 泰州华腾管道设备有限公司 | Hydraulic drive separating-combining corrugated pipe forming die structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105115778A (en) * | 2015-09-25 | 2015-12-02 | 重庆盛镁镁业有限公司 | Hydraulic type die inspection device |
| CN105115778B (en) * | 2015-09-25 | 2017-09-19 | 重庆盛镁镁业有限公司 | Fluid pressure type mould verifying attachment |
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Application publication date: 20130821 |