CN109967577A - For processing the hydraulic pressure processing unit (plant) and its processing method of pipe fitting drum wave - Google Patents
For processing the hydraulic pressure processing unit (plant) and its processing method of pipe fitting drum wave Download PDFInfo
- Publication number
- CN109967577A CN109967577A CN201910205741.6A CN201910205741A CN109967577A CN 109967577 A CN109967577 A CN 109967577A CN 201910205741 A CN201910205741 A CN 201910205741A CN 109967577 A CN109967577 A CN 109967577A
- Authority
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- China
- Prior art keywords
- pipe fitting
- compression assemblies
- mandrel
- hydraulic pressure
- plant
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- 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
- B21D15/00—Corrugating tubes
- B21D15/04—Corrugating tubes transversely, e.g. helically
- B21D15/10—Corrugating tubes transversely, e.g. helically by applying fluid pressure
-
- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
-
- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/047—Mould construction
Abstract
The present invention relates to a kind of for processing the hydraulic pressure processing unit (plant) and its processing method of pipe fitting drum wave, including die holder, water tank, the die holder is equipped with the accommodating cavity of accommodating pipe fitting, two annular grooves are axially equipped at intervals in the accommodating cavity, being slidably matched in the accommodating cavity, there are two the compression assemblies moved toward one another, described two compression assemblies include the first compression assemblies, the second compression assemblies, and are active on the side wall of the water tank respectively；It is equipped with the runner flowed for water flow in first compression assemblies, is connected with pressure regulator valve and check valve with the runner, and the pressure regulator valve and check valve are mounted in first compression assemblies, second compression assemblies are enclosed construction；The lower die is fixed on the bottom plate of the water tank, and the upper mold is driven by hold-down mechanism；The present invention has the advantages that structure is simple, high production efficiency, stable product quality.
Description
Technical field
The invention belongs to pipe fitting processing technique field more particularly to a kind of hydraulic pressure processing unit (plant)s that wave is roused for processing pipe fitting
And its processing method.
Background technique
Pipe fitting drum wave is one of very common technique, and the processing technology about pipe fitting drum wave also rests on expansion mostly at present
Mouth necking down process, process is many and diverse, and quality stability is poor；Therefore drum on the pipe fitting of Publication No. CN104690127A a kind of is had developed
Packet processing unit (plant) and its processing method realize qualitative leap relative to traditional handicraft, and process is reduced to from original 56
Together, production efficiency is substantially increased, and stability is stronger；But from analysis obtains on bulge processing unit (plant) on the pipe fitting: the first,
Material used by elastomer in device is polyurethane, but stomata can be inevitably generated in polyurethane manufacturing process, and stomata is big
It is small, position is not consistent, the unstable phenomenon of polyurethane volume can be generated, so as to cause the unstable of product；The elastomer exists
In processing unit (plant) motion process, because always in repeated compression, the state of rebound, polyurethane easily damaged existing polyurethane occurs
As, therefore the replacement polyurethane of not timing is needed in process, and because the complexity of mould structure also results in the poly- ammonia of replacement
Ester need to spend many times, leverage production efficiency；The second, for being socketed the plug main body of elastomer, difficulty of processing
It is higher, and stability is not high in use, the phenomenon that being easy to appear fracture, and replacement gets up also to be more troublesome, to processing
Difficulty is brought in product process, causes processing efficiency low.
Summary of the invention
It is an object of the invention to overcome the shortcomings of the prior art, and it is simple, high in machining efficiency to provide a kind of structure
For process pipe fitting drum wave hydraulic pressure processing unit (plant) and its processing method.
The object of the present invention is achieved by the following technical solutions, this for processing the hydraulic pressure processing of pipe fitting drum wave
Device includes the die holder being made of upper die and lower die, and for placing the water tank of the die holder, the die holder is equipped with accommodating pipe fitting
Accommodating cavity is axially equipped at intervals with two annular grooves in the accommodating cavity, and being slidably matched in the accommodating cavity, there are two opposite fortune
Dynamic compression assemblies, described two compression assemblies include the first compression assemblies, the second compression assemblies, and are active in the water respectively
On the side wall of case；It is equipped with the runner flowed for water flow in first compression assemblies, is connected with pressure regulator valve and list with the runner
To valve, second compression assemblies are enclosed construction；The lower die is fixed on the bottom plate of the water tank, and the upper mold is by pressing
Tight mechanism driving.
Preferably, the pressed end of the pressed end of first compression assemblies and second compression assemblies is in opposite point
Cloth, and the pressed end is placed in pipe fitting when moving toward pipe fitting direction, the bottom end of the pressed end is transported toward pipe fitting direction
The when dynamic and end face of pipe fitting is closely in contact.
Preferably, first compression assemblies include mandrel, attaching nut, attachment base, one end of the attachment base is opened
Equipped with screw thread, the other end is connected with driving mechanism, and the mandrel is socketed on attaching nut, and passing through the attaching nut will
Mandrel is mounted on the attachment base.
Preferably, the through-hole through whole mandrel is offered at the central spindle of the mandrel, the mandrel and the connection
The end face that nut, the attachment base are in contact is step structure.
Preferably, offering the insertion for end face of mandrel insertion on the attachment base end face being in contact with the mandrel
Slot offers L-type through-hole in the attachment base, and one end of the L-type through-hole is connected with the through-hole on the mandrel, the other end
For threaded hole, and it is connected with pressure regulator valve or check valve.
Preferably, O-ring is installed on the end face that the mandrel is in contact with the embedded groove of the attachment base, the O
Type circle is fixed in the placing groove that the end face of mandrel is opened up, and there are three the placing groove settings, and two of them are arranged in institute
It states on the radial end face of mandrel, another is arranged on the axial end face of the mandrel.
Preferably, the through-hole diameter being equipped in the mandrel is less than the L-type through-hole diameter being equipped in the attachment base.
Preferably, being equipped on the water tank side wall being in contact with first compression assemblies, the second compression assemblies
Water-proof film, the water-proof film are fixed on the outside of the water tank side wall by pressing plate and bolt.
Preferably, being equipped with the ejection dress for being detached from pipe fitting from accommodating cavity at the center position of the upper mold
It sets, the liftout attachment is between described two annular grooves.
A kind of processing method using such as the above-mentioned hydraulic pressure processing unit (plant) for processing pipe fitting drum wave, the processing method packet
Include following steps:
S1, the lower die on the die holder is mounted on the bottom plate of the water tank, upper mold is mounted on the hold-down mechanism
It drives on end, the upper mold and the lower intermode are corresponded by guide post；
S2, the water for being mixed with wire cutting oil emulsion is poured into the water tank for install die holder, and water is made to flood the die holder
Accommodating cavity；
S3, pipe fitting is put into the lower die accommodating cavity of the die holder, then makes the accommodating cavity of upper mold will by hold-down mechanism
Pipe fitting compresses, at this point, the water pump that is connected with pressure regulator valve or check valve is started to work, while two compression assemblies it is synchronous to pipe
Part direction is mobile, wherein the runner in the first compression assemblies is filled the water by water pump；
S4, when the pressed end of two compression assemblies is in contact with the end face of pipe fitting, the end face of pressed end and pipe fitting at this time
Extruding can be generated and sealed, meanwhile, the first compression assemblies are injected water by runner to pipe fitting, and pass through water pump and pressure regulator valve
Make to generate hydraulic pressure in pipe fitting, at this point, the drum wave that pipe fitting need to be processed is expanded by two annular grooves that pipe wall is opened up to die holder
, until formation of tubes；
After S5, formation of tubes, the synchronous playback of two compression assemblies is located at upper mold at this point, upper mold is opened by hold-down mechanism
On liftout attachment the pipe fitting of machine-shaping is ejected into upper mold.
The invention has the benefit that compared with prior art, first, make compression assemblies structure more simple and be not easy
Damage, service life are also significantly promoted in process, and second, during processing pipe fitting, high production efficiency is produced
The stable product quality come, third reduce partial test link, reduce inspection frequency, greatly reduce management cost, in the future
Automated production lay a solid foundation.
Detailed description of the invention
Fig. 1 is entire processing unit (plant) structural schematic diagram of the invention.
Fig. 2 is upper die structure schematic diagram of the invention.
Fig. 3 is lower die structure schematic diagram of the invention.
Label in attached drawing is respectively as follows: 1, die holder；2, water tank；3, pipe fitting；4, compression assemblies；5, pressure regulator valve；6, check valve；
7, hold-down mechanism；8, O-ring；9, liftout attachment；10, water pump；11, accommodating cavity；12, groove；41, the first compression assemblies；42,
Two compression assemblies；43, runner；44, pressed end；1-1, upper mold；1-2, lower die；2-1, bottom plate；2-2, water-proof film；2-3, pressure
Plate；2-4, bolt；41-1, mandrel；41-2, attaching nut；41-3, attachment base；41-4, through-hole；41-5, embedded groove；41-6,L
Type through-hole；41-7, placing groove.
Specific embodiment
Below in conjunction with attached drawing 1 to 3, the present invention will be described in detail: the present invention includes by upper mold 1-1, lower die 1-2 structure
At die holder 1, for placing the water tank 2 of die holder 1, die holder 1 is equipped with the accommodating cavity 11 of accommodating pipe fitting 3, and pipe fitting 3 is placed on accommodating
Two annular grooves 12 are axially equipped at intervals at the center position of chamber 11, in accommodating cavity 11, and annular groove 12 is with accommodating cavity
11 center is symmetric, and the spacing between annular groove 12 can determine according to needing the size of converted products to require；Accommodating
It is slidably matched in chamber 11 there are two the compression assemblies 4 moved toward one another, compression assemblies 4 are driven by driving mechanism, and driving mechanism is
Extruder, two compression assemblies 4 include the first compression assemblies 41, the second compression assemblies 42, and are active in the side wall of water tank 2 respectively
On；It is equipped with the runner 43 flowed for water flow in first compression assemblies 41, is connected with pressure regulator valve 5 and check valve 6 with runner 43, the tune
Pressure valve 5 is used to control the hydraulic pressure in runner 43, and check valve 6 is used to control the one-way flowing of water in runner 43, the second extruding group
Part 42 is enclosed construction；Lower die 1-2 is fixed on the bottom plate 2-1 of water tank 2, and water tank 2 is semi-enclosed structure, for upper mold 1-
1 move freely in 2 upper end of water tank, and upper mold 1-1 is driven by hold-down mechanism 7, and hold-down mechanism 7 is vertical extruder.
The pressed end 44 of the pressed end 44 of first compression assemblies 41 and the second compression assemblies 42 is in Relative distribution, and first squeezes
Pressure component 41, the second compression assemblies 42 can be run simultaneously, that is to say, that the mobile speed of two compression assemblies 4 is equal, pressed end
44 can be simultaneously in two end in contact of pipe fitting 3, and pressed end 44 is placed in pipe fitting 3 when moving toward pipe fitting direction, pressed end 44
Bottom end toward pipe fitting direction move when it is closely in contact with the end face of pipe fitting 3, it is therefore intended that: two pressed ends 44 respectively with pipe fitting 3
Both ends when being in close contact, the pressure in pipe fitting 3 can be made to increase, annular groove 12 of the tube wall on die holder 1 is promoted to expand.
First compression assemblies 41 include mandrel 41-1, attaching nut 41-2, attachment base 41-3, and mandrel 41-1 is active in die holder
In 1 accommodating cavity 11 being equipped with, one end of attachment base 41-3 offers screw thread, another for being connected with attaching nut 41-2
End is connected with driving mechanism, and mandrel 41-1 is socketed on attaching nut 41-2, and passes through attaching nut 41-2 for mandrel 41-1
It is mounted on attachment base 41-3；Such structure makes all more convenient in replacement components or installation components.
Second compression assemblies 42 are enclosed construction, refer to that the mandrel in it is the structure without runner, are located at core
The structure of shaft rear end can be the structure identical or different with the first compression assemblies, but on condition that the structure of rear end has to and drives
Motivation structure can be adapted connection, to guarantee the synchronism of two compression assemblies 4.
Offered at the central spindle of mandrel 41-1 the through-hole 41-4 through whole mandrel, mandrel 41-1 and attaching nut 41-2,
The end face that attachment base 41-3 is in contact is step structure；Confession is offered on the end face attachment base 41-3 being in contact with mandrel 41-1
The embedded groove 41-5 of end face of mandrel insertion, is embedded into embedded groove 41-5, energy by the end mandrel 41-1 with step structure
Keep the axial stability of mandrel 41-1 more preferable, during processing pipe fitting 3, dimensional accuracy is also more preferable；It is opened up in attachment base 41-3
There is L-type through-hole 41-6, one end of L-type through-hole 41-6 is connected with the through-hole 41-4 on mandrel 41-1, and the other end is threaded hole, and
It is connected with pressure regulator valve 5 or check valve 6.
In order to improve the sealing performance between L-type through-hole 41-6 and through-hole 41-4, mandrel 41-1 is embedding with attachment base 41-3's
Enter and O-ring 8 is installed on the end face that slot 41-5 is in contact, O-ring 8 is fixed on the placing groove 41-7 that the end face mandrel 41-1 is opened up
Interior, there are three placing groove 41-7 settings, and two of them are arranged on the radial end face of mandrel 41-1, another is arranged in mandrel
On the axial end face of 41-1.
The through-hole 41-4 diameter being equipped in mandrel 41-1 is less than the L-type through-hole 41-6 diameter being equipped in attachment base 41-3,
The hydraulic pressure at the end through-hole 41-4 can in this way increased.
Water-proof film 2-2 is installed on 2 side wall of water tank being in contact with the first compression assemblies 41, the second compression assemblies 42,
Water-proof film 2-2 is fixed on the outside of 2 side wall of water tank by pressing plate 2-3 and bolt 2-4；Compression assemblies 4 with 2 side wall of water tank
Between activity when, prevent the liquid in water tank 2 from flowing out from the gap between 2 side wall of compression assemblies 4 and water tank.
The liftout attachment 9 for being detached from pipe fitting 3 from accommodating cavity 11, ejection are equipped at the center position of upper mold 1-1
Device 9 is located between two annular grooves 12.
A kind of processing method using the hydraulic pressure processing unit (plant) for processing pipe fitting drum wave, the processing method include following step
It is rapid:
S1, the lower die 1-2 on die holder 1 is mounted on the bottom plate 2-1 of water tank 2, upper mold 1-1 is mounted on hold-down mechanism 7
It drives on end, is corresponded between upper mold 1-1 and lower die 1-2 by guide post 1-3；
S2, the water for being mixed with wire cutting oil emulsion is poured into the water tank 2 for installing die holder 1, and water is made to flood the appearance of die holder 1
Set chamber 11；
S3, pipe fitting 3 is put into the lower die accommodating cavity of die holder 1, the accommodating cavity of upper mold 1-1 is then made by hold-down mechanism 7
Pipe fitting 3 is compressed, at this point, the water pump 10 being connected with pressure regulator valve 5 or check valve 6 is started to work, while two compression assemblies 4 are same
What is walked is mobile to 3 direction of pipe fitting, wherein the runner 43 in the first compression assemblies 41 is filled the water by water pump 10；
S4, when the pressed end 44 of two compression assemblies 4 is in contact with the end face of pipe fitting 3, pressed end 44 and pipe fitting 3 at this time
End face can generate extruding and seal, meanwhile, the first compression assemblies 41 are injected water into pipe fitting 3 by runner 43, and are passed through
Water pump 10 and pressure regulator valve 5 make to generate hydraulic pressure in pipe fitting 3, at this point, the drum wave that pipe fitting 3 need to be processed is opened by pipe wall to die holder 1
If two annular grooves 12 expansion, until pipe fitting 3 form；
After S5, pipe fitting 3 form, the synchronous playback of two compression assemblies 4, at this point, upper mold 1-1 is opened by hold-down mechanism 7, position
The pipe fitting of machine-shaping is ejected into upper mold 1-1 in the liftout attachment 9 on upper mold 1-1.
The present invention is not limited to the above-described embodiments, makees any variation no matter constituting in its shape or material, all to adopt
It is designed with structure provided by the present invention, is all a kind of deformation of the invention, is considered as within that scope of the present invention.
Claims (10)
1. it is a kind of for processing the hydraulic pressure processing unit (plant) of pipe fitting drum wave, including the die holder being made of upper mold (1-1), lower die (1-2)
(1), for placing the water tank (2) of the die holder (1), the die holder (1) is equipped with the accommodating cavity (11) of accommodating pipe fitting (3), institute
It states and is axially equipped at intervals with two annular grooves (12) in accommodating cavity (11), being slidably matched in the accommodating cavity (11), there are two opposite
The compression assemblies (4) of movement, it is characterised in that: described two compression assemblies (4) include the first compression assemblies (41), the second extruding
Component (42), and be active on the side wall of the water tank (2) respectively；It is equipped in first compression assemblies (41) and is flowed for water flow
Runner (43), be connected with pressure regulator valve (5) and check valve (6) with the runner (43), second compression assemblies (42) are envelope
Closed type structure；The lower die (1-2) is fixed on the bottom plate (2-1) of the water tank (2), and the upper mold (1-1) is by hold-down mechanism
(7) it drives.
2. according to claim 1 for processing the hydraulic pressure processing unit (plant) of pipe fitting drum wave, it is characterised in that: described first squeezes
The pressed end (44) of the pressed end (44) and second compression assemblies (42) of pressing component (41) is in Relative distribution, and the extruding
End (44) is placed in pipe fitting (3) when moving toward pipe fitting direction, and the bottom end of the pressed end (44) is moved toward pipe fitting direction
When it is closely in contact with the end face of pipe fitting (3).
3. according to claim 1 for processing the hydraulic pressure processing unit (plant) of pipe fitting drum wave, it is characterised in that: described first squeezes
Pressing component (41) includes mandrel (41-1), attaching nut (41-2), attachment base (41-3), and one end of the attachment base (41-3) is opened
Equipped with screw thread, the other end is connected with driving mechanism, and the mandrel (41-1) is socketed on attaching nut (41-2), and passes through institute
It states attaching nut (41-2) mandrel (41-1) is mounted on the attachment base (41-3).
4. according to claim 3 for processing the hydraulic pressure processing unit (plant) of pipe fitting drum wave, it is characterised in that: the mandrel
The through-hole (41-4) through whole mandrel, the mandrel (41-1) and the attaching nut (41- are offered at the central spindle of (41-1)
2), the end face that the attachment base (41-3) is in contact is step structure.
5. according to claim 4 for processing the hydraulic pressure processing unit (plant) of pipe fitting drum wave, it is characterised in that: with the mandrel
The embedded groove (41-5) for end face of mandrel insertion, the company are offered on end face the attachment base (41-3) that (41-1) is in contact
It is offered L-type through-hole (41-6) in joint chair (41-3), one end of the L-type through-hole (41-6) and leading on the mandrel (41-1)
(41-4) is connected in hole, and the other end is threaded hole, and is connected with pressure regulator valve (5) or check valve (6).
6. according to claim 5 for processing the hydraulic pressure processing unit (plant) of pipe fitting drum wave, it is characterised in that: the mandrel
O-ring (8), the O-ring are installed on the end face that (41-1) is in contact with the embedded groove (41-5) of the attachment base (41-3)
(8) it being fixed in the placing groove (41-7) that the end face the mandrel (41-1) is opened up, there are three placing groove (41-7) settings,
Two of them are arranged on the radial end face of the mandrel (41-1), axial end face of another setting in the mandrel (41-1)
On.
7. according to claim 5 for processing the hydraulic pressure processing unit (plant) of pipe fitting drum wave, it is characterised in that: the mandrel
Through-hole (41-4) diameter being equipped in (41-1) is less than L-type through-hole (41-6) diameter being equipped in the attachment base (41-3).
8. according to claim 1 for processing the hydraulic pressure processing unit (plant) of pipe fitting drum wave, it is characterised in that: with described first
Water-proof film (2-2), institute are installed on the water tank (2) side wall that compression assemblies (41), the second compression assemblies (42) are in contact
Water-proof film (2-2) is stated to be fixed on the outside of the water tank (2) side wall by pressing plate (2-3) and bolt (2-4).
9. according to claim 1 for processing the hydraulic pressure processing unit (plant) of pipe fitting drum wave, it is characterised in that: the upper mold
The liftout attachment (9) for being detached from pipe fitting (3) from accommodating cavity (11), the ejection are equipped at the center position of (1-1)
Device (9) is between described two annular grooves (12).
10. a kind of processing method using the hydraulic pressure processing unit (plant) for processing pipe fitting drum wave as described in claim 1 to 9,
It is characterized by: the processing method includes the following steps:
S1, the lower die (1-2) on the die holder (1) is mounted on the bottom plate (2-1) of the water tank (2), upper mold (1-1) installation
On the driving end of the hold-down mechanism (7), between the upper mold (1-1) and the lower die (1-2) one by one by guide post (1-3)
It is corresponding；
S2, the water for being mixed with wire cutting oil emulsion is poured into the water tank (2) for installing die holder (1), and water is made to flood the die holder
(1) accommodating cavity (11)；
S3, pipe fitting (3) is put into the lower die accommodating cavity of the die holder (1), then makes upper mold (1-1) by hold-down mechanism (7)
Accommodating cavity pipe fitting (3) are compressed, at this point, the water pump (10) that is connected with pressure regulator valve (5) or check valve (6) is started to work, together
When synchronous mobile to pipe fitting (3) direction of two compression assemblies (4), wherein the runner (43) in the first compression assemblies (41) passes through
Water pump (10) water filling；
S4, when the pressed end (44) of two compression assemblies (4) is in contact with the end face of pipe fitting (3), at this time pressed end (44) with
The end face of pipe fitting (3) can generate extruding and seal, meanwhile, the first compression assemblies (41) are injected water by runner (43) to pipe fitting
(3) in, and make to generate hydraulic pressure in pipe fitting (3) by water pump (10) and pressure regulator valve (5), at this point, the drum wave that pipe fitting (3) need to be processed is logical
Two annular grooves (12) expansion that pipe wall is opened up to die holder (1) is crossed, until pipe fitting (3) form；
After S5, pipe fitting (3) molding, the synchronous playback of two compression assemblies (4), at this point, upper mold (1-1) is opened by hold-down mechanism (7)
The pipe fitting of machine-shaping is ejected upper mold (1-1) by mould, the liftout attachment (9) being located on upper mold (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910205741.6A CN109967577A (en) | 2019-03-18 | 2019-03-18 | For processing the hydraulic pressure processing unit (plant) and its processing method of pipe fitting drum wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910205741.6A CN109967577A (en) | 2019-03-18 | 2019-03-18 | For processing the hydraulic pressure processing unit (plant) and its processing method of pipe fitting drum wave |
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| Publication Number | Publication Date |
|---|---|
| CN109967577A true CN109967577A (en) | 2019-07-05 |
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ID=67079371
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|---|---|---|---|
| CN201910205741.6A Pending CN109967577A (en) | 2019-03-18 | 2019-03-18 | For processing the hydraulic pressure processing unit (plant) and its processing method of pipe fitting drum wave |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111992592A (en) * | 2020-09-07 | 2020-11-27 | 凯维思(山东)智能制造科技有限公司 | Double-flow regulation and control pressure forming equipment, system and method |
| CN114101454A (en) * | 2021-09-29 | 2022-03-01 | 应城市鑫异升机械科技有限公司 | Special-shaped pipe fitting production line and production process thereof |
| CN114109803A (en) * | 2021-07-26 | 2022-03-01 | 浙江飞越机电有限公司 | Eccentric plunger structure of hydraulic pipe fitting processing tool |
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