CN208230669U - A kind of transition steel pipe auxiliary device for pressing - Google Patents
A kind of transition steel pipe auxiliary device for pressing Download PDFInfo
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- CN208230669U CN208230669U CN201820751337.XU CN201820751337U CN208230669U CN 208230669 U CN208230669 U CN 208230669U CN 201820751337 U CN201820751337 U CN 201820751337U CN 208230669 U CN208230669 U CN 208230669U
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Abstract
The utility model discloses a kind of transition steel pipe auxiliary device for pressing, including upper die mechanism and lower die mechanism, form steel pipe between upper die mechanism and lower die mechanism and suppress channel, it is gradual change channel that steel pipe, which suppresses channel,；Upper die mechanism includes upper mold panel and the multiple upper mold arc plates for being connected to upper mold lower panels; lower die mechanism includes lower die panel and the multiple lower die arc plates matched with upper mold arc plate for being connected to lower die upper panel; lower die arc plate is oppositely arranged with upper mold arc plate, and steel pipe compacting channel is located between upper mold arc plate and lower die arc plate.The utility model on heading machine by being arranged the upper die mechanism worked in coordination and lower die mechanism; and steel pipe compacting channel is set by the channel among lower die arc plates multiple in upper mold arc plates multiple in upper die mechanism and lower die mechanism; simultaneously by the way that length L, the height H of multiple upper mold arc plates and the concave arc depth h of multiple lower die arc plate cancave cambered surfaces is arranged; to make steel pipe suppress channel gradual change channel, and then realize the compacting of transition steel pipe.
Description
Technical field
The utility model belongs to formation of tubes technical field more particularly to a kind of transition steel pipe auxiliary device for pressing.
Background technique
It needs to make in each tail lock slot two sides substantially in hydroenergy storage station penstock manufacturing process at present
Circle change side's transition steel pipe (referred to as " hemispherical dome "), however in carrying out hemispherical dome manufacturing process, due to upper roller of press brake
It is relatively large in diameter, and steel pipe is suitable for reading differs larger with lower port diameter size, veneer reeling machine can not carry out last pitch circle change side at present
Production, and carried out in manufacturing process using other methods, it is larger with actual design dimensional discrepancy, it is the production band of hemispherical dome
Very big trouble is carried out, and has increased production cost, reduces production efficiency.Therefore, designing a kind of can disposably be pressed into
Position device be it is very necessary, cost will be effectively reduced, greatly improve production efficiency.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiency of the prior art, provide a kind of gradual change
Duan Gangguan auxiliary device for pressing, by being arranged the upper die mechanism worked in coordination and lower die mechanism on heading machine, and by upper mold
Channel in mechanism in multiple upper mold arc plates and lower die mechanism among multiple lower die arc plates is set as steel pipe compacting channel, leads to simultaneously
The concave arc depth h for crossing the length L that multiple upper mold arc plates are set, height H and multiple lower die arc plate cancave cambered surfaces, to make steel pipe pressure
Channel processed is gradual change channel, and then realizes the compacting of transition steel pipe.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of transition steel pipe compacting auxiliary
Device, it is characterised in that: including the upper die mechanism being mounted on heading machine on contact surface and be mounted under heading machine on contact surface
Lower die mechanism, form steel pipe between the upper die mechanism and lower die mechanism and suppress channel, steel pipe compacting channel is gradual change
Channel；
The upper die mechanism includes the upper mold panel being mounted on the heading machine on contact surface and is connected to upper mold panel
Multiple upper mold arc plates of lower part, the upper mold panel are rectangle, and the upper mold arc plate is that convex globoidal is arranged by rectangular plate lower part
The convex plate of formation, the upper mold arc plate are mutually perpendicular to upper mold panel, and multiple upper mold arc plates are parallel and it is along upper
The length direction of die face plate is equally laid, multiple upper mold arc plates along upper mold panel width direction length L by it is left extremely
The right side is gradually reduced, and the height H of multiple upper mold arc plates is gradually increased from left to right, the convex globoidal of multiple upper mold arc plates
Radian is gradually reduced from left to right, is provided with upper mold gusset between the two neighboring upper mold arc plate, the upper mold gusset with
Mutually vertical, the front and rear sides of multiple upper mold arc plates between upper mold arc plate and between upper mold gusset and upper mold panel
It is connected as one respectively by upper mold stiffening plate, the upper mold stiffening plate is connected to the lower part of upper mold panel, the upper mold reinforcement
Plate is laid with upper mold gusset in parallel；
The lower die mechanism includes the lower die panel being mounted under the heading machine on contact surface and is connected to lower die panel
Multiple lower die arc plates matched with upper mold arc plate on top, the lower die arc plate are oppositely arranged with upper mold arc plate, the lower die
Arc plate is that the concave curved plate that cancave cambered surface is formed, the radian of the cancave cambered surface of multiple lower die arc plates is arranged by the top of rectangular plate
It is gradually reduced from left to right, the structure and size of the lower die panel and upper mold panel are all the same, the lower die panel and upper mold
Panel is laid in parallel, and the lower die arc plate is mutually perpendicular to lower die panel, is respectively provided between the two neighboring lower die arc plate
There is lower die gusset, it is mutually vertical between the lower die gusset and lower die panel and between lower die gusset and lower die arc plate, it is more
The front and rear sides of a lower die arc plate passes through lower die stiffening plate respectively and is connected as one, and the lower die stiffening plate is connected to down
The top of die face plate, the lower die stiffening plate are laid with lower die gusset in parallel；
Steel pipe compacting channel is located between upper mold arc plate and lower die arc plate.
A kind of above-mentioned transition steel pipe auxiliary device for pressing, it is characterised in that: the upper mold panel and upper mold arc plate it
Between, between the upper mold panel and upper mold gusset, between the upper mold panel and upper mold stiffening plate, the upper mold arc plate and upper mold
Connection type between gusset and between the upper mold arc plate and upper mold stiffening plate is welding.
A kind of above-mentioned transition steel pipe auxiliary device for pressing, it is characterised in that: the lower die panel and lower die arc plate it
Between, between the lower die panel and lower die gusset, between the lower die panel and lower die stiffening plate, the lower die arc plate and lower die
Connection type between gusset and between the lower die arc plate and lower die stiffening plate is welding.
Above-mentioned a kind of transition steel pipe auxiliary device for pressing, it is characterised in that: the upper mold panel and the heading machine
It is bolted between upper contact surface and under the lower die panel and the heading machine between contact surface.
Above-mentioned a kind of transition steel pipe auxiliary device for pressing, it is characterised in that: on the upper mold panel and lower die panel
Offer multiple through-holes passed through for the bolt.
Above-mentioned a kind of transition steel pipe auxiliary device for pressing, it is characterised in that: the height of the upper mold gusset is not more than
The height of upper mold arc plate connected to it.
Above-mentioned a kind of transition steel pipe auxiliary device for pressing, it is characterised in that: the height of the lower die gusset is not more than
The height of lower die arc plate connected to it.
Above-mentioned a kind of transition steel pipe auxiliary device for pressing, it is characterised in that: multiple lower die arc plates are along lower die face
The length in board width direction is all the same.
A kind of above-mentioned transition steel pipe auxiliary device for pressing, it is characterised in that: multiple lower die arc plates it is described recessed
The concave arc depth h of cambered surface is gradually increased from left to right along the length direction of lower die panel.
Compared with the prior art, the utility model has the following advantages:
1, the utility model is by being respectively set upper die mechanism and lower die machine on the contact surface on heading machine and lower contact surface
Structure carries out compacting to steel plate and forms transition steel pipe, and structure is simple, and it is convenient to operate, and using effect is good.
2, the utility model is used cooperatively by the way that upper mold arc plate and lower die arc plate to be oppositely arranged, and by multiple upper mold arcs
The length L of plate is gradually reduced and height H is gradually increased, and the radian of the convex globoidal of upper mold arc plate is gradually reduced, while will be multiple
The concave arc depth h of cancave cambered surface on lower die arc plate is gradually increased and radian is gradually reduced, and cooperates upper die mechanism and lower die mechanism
The steel pipe compacting channel formed afterwards is gradual change channel, is achieved the pressing process of transition steel pipe.
3, the utility model can be made by setting upper mold gusset, lower die gusset, upper mold stiffening plate and lower die stiffening plate
Upper mold arc plate and lower die arc plate guarantee there is certain intensity in the pressing process for carrying out transition steel pipe, prevent upper mold arc plate and
Lower die arc plate deforms, it is ensured that transition steel pipe pressing process is gone on smoothly, and is avoided due to upper mold arc plate and lower die arc plate
Steel waste caused by deforming.
In conclusion the utility model is on heading machine by being arranged the upper die mechanism worked in coordination and lower die mechanism, and
Steel pipe compacting channel is set by the channel among lower die arc plates multiple in upper mold arc plates multiple in upper die mechanism and lower die mechanism,
Simultaneously by the way that length L, the height H of multiple upper mold arc plates and the concave arc depth h of multiple lower die arc plate cancave cambered surfaces is arranged, to make
It is gradual change channel that steel pipe, which suppresses channel, and then realizes the compacting of transition steel pipe.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the A-A sectional view of the utility model.
Fig. 3 is the B-B sectional view of the utility model.
Fig. 4 is the bottom view of the utility model upper die mechanism.
Fig. 5 is the top view of the utility model lower die mechanism.
Description of symbols:
1-upper die mechanism；1-1-upper mold panel；1-2-upper mold arc plate；
1-3-upper mold gusset；1-4-upper mold stiffening plate；2-lower die mechanisms；
2-1-lower die panel；2-2-lower die arc plate；2-3-lower die gusset；
2-4-lower die stiffening plate；3-steel pipes suppress channel；4-through-holes.
Specific embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, the utility model includes the upper mold being mounted on heading machine on contact surface
Mechanism 1 and the lower die mechanism 2 being mounted under heading machine on contact surface, form steel pipe between the upper die mechanism 1 and lower die mechanism 2
Channel 3 is suppressed, steel pipe compacting channel 3 is gradual change channel；
The upper die mechanism 1 includes the upper mold panel 1-1 being mounted on the heading machine on contact surface and is connected to upper mold
Multiple upper mold arc plate 1-2 of the lower part panel 1-1, the upper mold panel 1-1 are rectangle, and the upper mold arc plate 1-2 is to be put down by rectangle
The convex plate that convex globoidal is formed is arranged in plate lower part, and the upper mold arc plate 1-2 is mutually perpendicular to upper mold panel 1-1, multiple described
Upper mold arc plate 1-2 is parallel and it equally lays along the length direction of upper mold panel 1-1, multiple upper mold arc plate 1-2
Length L along upper mold panel 1-1 width direction is gradually reduced from left to right, the height H of multiple upper mold arc plate 1-2 by it is left extremely
The right side is gradually increased, and the radian of the convex globoidal of multiple upper mold arc plate 1-2 is gradually reduced from left to right, the two neighboring upper mold
Upper mold gusset 1-3 is provided between arc plate 1-2, between the upper mold gusset 1-3 and upper mold arc plate 1-2 and upper mold gusset
Mutually vertical between 1-3 and upper mold panel 1-1, the front and rear sides of multiple upper mold arc plate 1-2 passes through upper mold reinforcement respectively
Plate 1-4 is connected as one, and the upper mold stiffening plate 1-4 is connected to the lower part of upper mold panel 1-1, the upper mold stiffening plate 1-4 with
Upper mold gusset 1-3 is laid in parallel；
The lower die mechanism 2 includes the lower die panel 2-1 being mounted under the heading machine on contact surface and is connected to lower die
Multiple lower die arc plate 2-2, the lower die arc plate 2-2 and upper mold arc plate 1- matched with upper mold arc plate 1-2 on the top panel 2-1
2 are oppositely arranged, and the lower die arc plate 2-2 is that the concave curved plate that cancave cambered surface is formed is arranged by the top of rectangular plate, multiple described
The radian of the cancave cambered surface of lower die arc plate 2-2 is gradually reduced from left to right, the structure of the lower die panel 2-1 and upper mold panel 1-1
And size is all the same, the lower die panel 2-1 is laid with upper mold panel 1-1 in parallel, the lower die arc plate 2-2 and lower die panel
2-1 is mutually perpendicular to, and is provided with lower die gusset 2-3 between the two neighboring lower die arc plate 2-2, the lower die gusset 2-3 with
Mutually vertical, multiple lower die arc plate 2- between lower die panel 2-1 and between lower die gusset 2-3 and lower die arc plate 2-2
2 front and rear sides passes through lower die stiffening plate 2-4 respectively and is connected as one, and the lower die stiffening plate 2-4 is connected to lower die panel 2-
1 top, the lower die stiffening plate 2-4 are laid with lower die gusset 2-3 in parallel；
Steel pipe compacting channel 3 is located between upper mold arc plate 1-2 and lower die arc plate 2-2.
In actual use, by the way that upper mold is respectively set on contact surface under the contact surface on the heading machine and the heading machine
Mechanism 1 and lower die mechanism 2 carry out compacting to steel plate and form transition steel pipe, and structure is simple, and it is convenient to operate, and using effect is good.
By the way that upper mold arc plate 1-2 and lower die arc plate 2-2 to be oppositely arranged, it is used cooperatively, and by multiple upper mold arc plate 1-2's
Length L is gradually reduced and height H is gradually increased, and the radian of the convex globoidal of upper mold arc plate 1-2 is gradually reduced, at the same will be multiple under
The concave arc depth h of the cancave cambered surface on mould arc plate 2-2 is gradually increased and radian is gradually reduced, and makes upper die mechanism 1 and lower die machine
The steel pipe compacting channel 3 that structure 2 is formed after cooperating is gradual change channel, is achieved the pressing process of transition steel pipe.
It should be noted that being added by setting upper mold gusset 1-3, lower die gusset 2-3, upper mold stiffening plate 1-4 and lower die
Strong plate 2-4 can make upper mold arc plate 1-2 and lower die arc plate 2-2 guarantee have centainly in the pressing process for carrying out transition steel pipe
Intensity, prevent upper mold arc plate 1-2 and lower die arc plate 2-2 from deforming, it is ensured that transition steel pipe pressing process is gone on smoothly,
Steel caused by deforming due to upper mold arc plate 1-2 and lower die arc plate 2-2 are avoided to waste.
The cross-sectional shape in steel pipe compacting channel 3 gradually becomes right angle V-arrangement by arc-shaped from left to right, i.e., extremely by the right side
The radian of the cancave cambered surface on first left lower die arc plate 2-2 is pi/2, convenient for by the transition steel of circle change side
The compression moulding of pipe.
In the present embodiment, between the upper mold panel 1-1 and upper mold arc plate 1-2, the upper mold panel 1-1 and upper mold gusset
Between 1-3, between the upper mold panel 1-1 and upper mold stiffening plate 1-4, between the upper mold arc plate 1-2 and upper mold gusset 1-3,
And the connection type between the upper mold arc plate 1-2 and upper mold stiffening plate 1-4 is welding.
In actual use, by by between the upper mold panel 1-1 and upper mold arc plate 1-2, the upper mold panel 1-1 with it is upper
Between mould gusset 1-3, between the upper mold panel 1-1 and upper mold stiffening plate 1-4, the upper mold arc plate 1-2 and upper mold gusset 1-3
Between and the connection type between the upper mold arc plate 1-2 and upper mold stiffening plate 1-4 be welding, ensure that upper die mechanism 1
Rigidity and intensity, prevent the excessive deformation and division for causing upper die mechanism 1 of stress.
In the present embodiment, between the lower die panel 2-1 and lower die arc plate 2-2, the lower die panel 2-1 and lower die gusset
Between 2-3, between the lower die panel 2-1 and lower die stiffening plate 2-4, between the lower die arc plate 2-2 and lower die gusset 2-3,
And the connection type between the lower die arc plate 2-2 and lower die stiffening plate 2-4 is welding.
In the present embodiment, on the upper mold panel 1-1 and the heading machine between contact surface and the lower die panel 2-
1 and the heading machine under be bolted between contact surface.
In the present embodiment, offers on the upper mold panel 1-1 and lower die panel 2-1 and multiple to be passed through for the bolt
Through-hole 4.
In actual use, the front and rear sides of the upper mold panel 1-1 and the lower die panel 2-1 are uniformly provided with multiple
The through-hole 4 passed through for the bolt.By the bolt by contact surface and lower die on upper mold panel 1-1 and the heading machine
Panel 2-1 is attached with contact surface under the heading machine, and installation and convenient disassembly can be used in turn.
In the present embodiment, the height of the upper mold gusset 1-3 is not more than the height of upper mold arc plate 1-2 connected to it.
In actual use, by setting the height of upper mold gusset 1-3 to no more than upper mold arc plate 1-2's connected to it
The height of junction, can after guarantee in the pressing process of transition steel pipe, the upper mold gusset 1-3 will not be to the transition
The pressing process of steel pipe has an impact, and avoids the waste of steel.
In the present embodiment, the height of the lower die gusset 2-3 is not more than the height of lower die arc plate 2-2 connected to it.
In the present embodiment, multiple lower die arc plate 2-2 are all the same along the length of lower die panel 2-1 width direction.
In the present embodiment, the concave arc depth h of the cancave cambered surface of multiple lower die arc plate 2-2 is along lower die panel 2-1's
Length direction is gradually increased from left to right.
When the utility model is used, the upper die mechanism 1 being welded and lower die mechanism 2 are mounted on institute with the bolt respectively
It states on heading machine on contact surface and under the heading machine on contact surface, steel plate to be pressed is placed on upper die mechanism 1 and lower die mechanism 2
In intermediate steel pipe compacting channel 3, so that the right end of the steel plate extend out to 20 centimeters of lower die mechanism, start the heading machine,
Drive upper die mechanism 1 and lower die mechanism 2 to middle part respectively by contact surface under contact surface on the heading machine and the heading machine
It draws close, by the suppression of upper mold arc plate 1-2 and lower die arc plate 2-2, makes the transition steel pipe compression moulding.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to any simple modification to the above embodiments of the utility model technical spirit, change and equivalent structural changes, still
Belong in the protection scope of technical solutions of the utility model.
Claims (9)
1. a kind of transition steel pipe auxiliary device for pressing, it is characterised in that: including the upper mold being mounted on heading machine on contact surface
Mechanism (1) and the lower die mechanism (2) being mounted under heading machine on contact surface, between the upper die mechanism (1) and lower die mechanism (2)
Steel pipe compacting channel (3) is formed, steel pipe compacting channel (3) is gradual change channel；
The upper die mechanism (1) includes the upper mold panel (1-1) being mounted on the heading machine on contact surface and is connected to upper mold
Multiple upper mold arc plates (1-2) of the lower part panel (1-1), the upper mold panel (1-1) are rectangle, and the upper mold arc plate (1-2) is
The convex plate formed by rectangular plate lower part setting convex globoidal, the upper mold arc plate (1-2) and upper mold panel (1-1) mutually hang down
Directly, multiple upper mold arc plates (1-2) are parallel and it equally lays along the length direction of upper mold panel (1-1), multiple
The upper mold arc plate (1-2) is gradually reduced from left to right along the length L of upper mold panel (1-1) width direction, multiple upper molds
The height H of arc plate (1-2) is gradually increased from left to right, and the radian of the convex globoidal of multiple upper mold arc plates (1-2) is from left to right
It is gradually reduced, is provided with upper mold gusset (1-3) between the two neighboring upper mold arc plate (1-2), the upper mold gusset (1-3)
It is mutually vertical between upper mold arc plate (1-2) and between upper mold gusset (1-3) and upper mold panel (1-1), it is multiple it is described on
The front and rear sides of mould arc plate (1-2) passes through upper mold stiffening plate (1-4) respectively and is connected as one, and the upper mold stiffening plate (1-4) is even
It connects in the lower part of upper mold panel (1-1), the upper mold stiffening plate (1-4) is laid with upper mold gusset (1-3) in parallel；
The lower die mechanism (2) includes the lower die panel (2-1) being mounted under the heading machine on contact surface and is connected to lower die
Multiple lower die arc plates (2-2) matched with upper mold arc plate (1-2) on the top panel (2-1), the lower die arc plate (2-2) with it is upper
Mould arc plate (1-2) is oppositely arranged, and the lower die arc plate (2-2) is that the concave arc shape that cancave cambered surface is formed is arranged by the top of rectangular plate
The radian of plate, the cancave cambered surface of multiple lower die arc plates (2-2) is gradually reduced from left to right, the lower die panel (2-1) with it is upper
The structure and size of die face plate (1-1) are all the same, and the lower die panel (2-1) is laid with upper mold panel (1-1) in parallel, described
Lower die arc plate (2-2) is mutually perpendicular to lower die panel (2-1), is provided with down between the two neighboring lower die arc plate (2-2)
Mould gusset (2-3), between the lower die gusset (2-3) and lower die panel (2-1) and lower die gusset (2-3) and lower die arc plate
Mutually vertical between (2-2), the front and rear sides of multiple lower die arc plates (2-2) passes through lower die stiffening plate (2-4) even respectively
It is connected in one, the lower die stiffening plate (2-4) is connected to the top of lower die panel (2-1), and the lower die stiffening plate (2-4) is under
Mould gusset (2-3) is laid in parallel；
Steel pipe compacting channel (3) is located between upper mold arc plate (1-2) and lower die arc plate (2-2).
2. a kind of transition steel pipe auxiliary device for pressing described in accordance with the claim 1, it is characterised in that: the upper mold panel
Between (1-1) and upper mold arc plate (1-2), between the upper mold panel (1-1) and upper mold gusset (1-3), the upper mold panel (1-
1) between upper mold stiffening plate (1-4), between the upper mold arc plate (1-2) and upper mold gusset (1-3) and the upper mold arc plate
Connection type between (1-2) and upper mold stiffening plate (1-4) is welding.
3. a kind of transition steel pipe auxiliary device for pressing according to claim 1 or 2, it is characterised in that: the lower die face
Between plate (2-1) and lower die arc plate (2-2), between the lower die panel (2-1) and lower die gusset (2-3), the lower die panel
Between (2-1) and lower die stiffening plate (2-4), between the lower die arc plate (2-2) and lower die gusset (2-3) and the lower die
Connection type between arc plate (2-2) and lower die stiffening plate (2-4) is welding.
4. a kind of transition steel pipe auxiliary device for pressing according to claim 1 or 2, it is characterised in that: the upper die face
On plate (1-1) and the heading machine between contact surface and under the lower die panel (2-1) and the heading machine between contact surface
It is bolted.
5. a kind of transition steel pipe auxiliary device for pressing according to claim 4, it is characterised in that: the upper mold panel
Multiple through-holes (4) passed through for the bolt are offered on (1-1) and lower die panel (2-1).
6. a kind of transition steel pipe auxiliary device for pressing according to claim 1 or 2, it is characterised in that: the upper mold muscle
The height of plate (1-3) is not more than the height of upper mold arc plate (1-2) connected to it.
7. a kind of transition steel pipe auxiliary device for pressing according to claim 1 or 2, it is characterised in that: the lower die muscle
The height of plate (2-3) is not more than the height of lower die arc plate (2-2) connected to it.
8. a kind of transition steel pipe auxiliary device for pressing according to claim 1 or 2, it is characterised in that: it is multiple it is described under
Mould arc plate (2-2) is all the same along the length of lower die panel (2-1) width direction.
9. a kind of transition steel pipe auxiliary device for pressing according to claim 1 or 2, it is characterised in that: it is multiple it is described under
The concave arc depth h of the cancave cambered surface of mould arc plate (2-2) is gradually increased from left to right along the length direction of lower die panel (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820751337.XU CN208230669U (en) | 2018-05-19 | 2018-05-19 | A kind of transition steel pipe auxiliary device for pressing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820751337.XU CN208230669U (en) | 2018-05-19 | 2018-05-19 | A kind of transition steel pipe auxiliary device for pressing |
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| Publication Number | Publication Date |
|---|---|
| CN208230669U true CN208230669U (en) | 2018-12-14 |
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ID=64580456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820751337.XU Active CN208230669U (en) | 2018-05-19 | 2018-05-19 | A kind of transition steel pipe auxiliary device for pressing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916649A (en) * | 2021-04-26 | 2021-06-08 | 西安优耐特容器制造有限公司 | Forming die and forming method for small-caliber thick-wall hemispherical square pipe |
| CN113770255A (en) * | 2021-09-29 | 2021-12-10 | 川易机电设备启东有限公司 | Elbow stiffening plate pressing tool |
-
2018
- 2018-05-19 CN CN201820751337.XU patent/CN208230669U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112916649A (en) * | 2021-04-26 | 2021-06-08 | 西安优耐特容器制造有限公司 | Forming die and forming method for small-caliber thick-wall hemispherical square pipe |
| CN113770255A (en) * | 2021-09-29 | 2021-12-10 | 川易机电设备启东有限公司 | Elbow stiffening plate pressing tool |
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