CN107790531B - Corrugated pipe forming machine upper die component - Google Patents
Corrugated pipe forming machine upper die component Download PDFInfo
- Publication number
- CN107790531B CN107790531B CN201710830796.7A CN201710830796A CN107790531B CN 107790531 B CN107790531 B CN 107790531B CN 201710830796 A CN201710830796 A CN 201710830796A CN 107790531 B CN107790531 B CN 107790531B
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- China
- Prior art keywords
- nut
- swivel nut
- upper die
- screw rod
- mold holder
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Classifications
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- 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
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of corrugated pipe forming machine upper die components, oil cylinder including top mold holder, in top mold holder, the piston rod of the oil cylinder is for driving upper die head to move up and down, the top mold holder is equipped with top base, vertical movable passes through a lower pressure screw rod in the top base, the lower pressure screw rod is fixed with swivel nut is pushed, the pushing swivel nut is up and down along top base inner hole, the lower end of the lower pressure screw rod is connect with upper die head, and the swivel nut that pushes connects the downward displacement of restricted pushing swivel nut and realizes the first spring that pushing swivel nut resets upwards.The technical solution adopted by the present invention when lower pressure screw rod pushes, compresses the first spring, it can be locked by lock nut after adjusting nut is adjusted in place by the decrement of adjustable first spring of adjusting nut, therefore, it can control effectively to upper die head volume under pressure.
Description
Technical field
The present invention relates to metal bellows processing technique fields, and in particular to corrugated pipe forming machine.
Background technique
Current corrugated pipe forming machine is to pass through electric control system controls solenoid valve, oil cylinder by oil pump unit hydrodynamic force
Etc. hydraulic fittings to drive mechanical part carry out hydro-forming equipment.In the forming process of bellows, traditional molding
Equipment has feature easy to operate, cheap, but there is some safety and design side for these traditional molding equipments
The shortcoming in face.If the volume under pressure of upper die head is unable to control, can be impacted to Forming Quality.
Summary of the invention
The technical problem to be solved by the invention is to provide a kind of corrugated pipe forming machine upper die components, solve existing molding
Machine is not adjustable the problem of upper die head volume under pressure.
In order to solve the above technical problems, the present invention adopts the following technical scheme: corrugated pipe forming machine upper die component, including it is upper
Mould bases, the oil cylinder in top mold holder, the piston rod of the oil cylinder are set in the top mold holder for driving upper die head to move up and down
There is top base, vertical movable passes through a lower pressure screw rod in the top base, and the lower pressure screw rod is fixed with swivel nut is pushed, under described
Press swivel nut up and down along top base inner hole, the lower end of the lower pressure screw rod is connect with upper die head, and the pushing swivel nut is connected with
Limitation, which pushes the downward displacement of swivel nut and realizes, pushes the first spring that swivel nut resets upwards.
Preferably, the top for pushing swivel nut is connected with by cap, and is being connected with adjusting nut by cap underside, institute
It states adjusting nut to be threadedly coupled with top base, the spring overcoat is on pushing swivel nut and upper end is abutted with capped projectile, lower end
It is abutted with adjusting nut elasticity.
The technical solution adopted by the present invention when lower pressure screw rod pushes, compresses the first spring, adjustable by adjusting nut
The decrement of first spring can be locked after adjusting nut is adjusted in place by lock nut, therefore, can be under upper die head
Pressure amount control effectively.
Detailed description of the invention
Present invention will be further described below with reference to the accompanying drawings and specific embodiments:
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the forming die structure schematic diagram of corrugated pipe forming machine；
Fig. 3 is the structural schematic diagram of upper mold；
Fig. 4 is the structural schematic diagram of lower die.
In figure: 1, fuel tank；2 first oil pump units；3, the first pump oil pipe；4, first pressure gauge；5, the first valve block；6, first
Electromagnetic switch valve group；7, the first superposition overflow valve group；8, the first intermediate relay group；9, the first petroleum pipeline；10, the first oil return
Pipe；11, the second superposition overflow valve group；12, the second electromagnetic switch valve group；13, the second valve block；14, the second intermediate relay group；
15, second pressure gauge；16, pressure switch；17, the second petroleum pipeline；18, oil cylinder；19, by cap；20, the first spring；21, it pushes
Screw rod；22, adjusting nut；23, top base；24, upper die head；25, pipe；26, matrix；27, die sleeve；28, lower mold holder；29, bottom
Seat；30, rack；31, the second oil pump unit；32, the second pump oil pipe；33, filter；34, the second oil return pipe；35, top mold holder；
36, swivel nut is pushed；37, locking nut；38, lock nut；39, die body；40, positioning bolt；41, second spring；42, oil filling device
Seat；43, fuel feed hole；44, oil filling device；45, bed die；46, embedded alloy；47, hexagon socket head cap screw；48, sealing ring.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figures 1 to 4, matrix is against pressure hurts corrugated pipe forming machine, including molding die and hydraulic system, molding die
Including be set to rack 30 on lower mold holder 28, the pedestal 29 on lower mold holder 28, the top mold holder 35 above lower mold holder 28,
Oil cylinder 18 in top mold holder 35, the pedestal 29 are equipped with die body 39, and the die body 39, which is equipped with, to be cooperated with pipe 25
Die sleeve 27 and matrix 26, the piston rod of the oil cylinder 18 is for driving upper die head 24 to move up and down.
The pedestal 29 is equipped with oil filling device seat 42, is formed with oil suction chamber between the oil filling device seat 42 and pedestal 29, institute
It states oil suction chamber and is connected with fuel feed hole 43, oil filling device 44 oil-filled inside oriented pipe, the mould are installed on the oil filling device seat 42
Body 39 includes upper die body, lower mold body and the intermediate die body between upper die body and lower mold body, and the oil filling device 44 is from lower die
Body passes through, and bed die 45 is equipped between the lower mold body and oil filling device 44, and the bed die 45 forms embedding around 44 top of oil filling device
Slot is equipped with embedded alloy 46 in the caulking groove, and positioning pipe bottom is formed between the oil filling device 44 and embedded alloy 46
Mounting hole.The pedestal 29 is equipped with the groove for forming oil suction chamber and the positioning ring groove around oil suction chamber setting, described to fill
Oily device seat 42 is located on positioning ring groove, and fixed by hexagon socket head cap screw 47, is sealed by sealing ring 48, the oil filling device seat
42, which are equipped with insertion groove, forms the locating flange cooperated with recess peripheral wall.
Wherein, die sleeve 27 guides 26 axial displacement direction of matrix, matrix 26 is for limiting pipe 25 for installing matrix 26
Displacement, change pipe radial direction shape.The die sleeve 27 includes the outside nested multiple groups die sleeve in center, and every group of die sleeve is by two and half
Round block is composed, and the matrix 26 is arranged in a one-to-one correspondence with die sleeve 27, and the matrix 26 is flexibly supported by second spring 41, institute
It states second spring 41 to be mounted on positioning bolt 40, the center of the matrix 26 is equipped with central through hole, and pipe is logical positioned at center
In hole.
The top mold holder 35 is equipped with top base 23, and vertical movable passes through a lower pressure screw rod 21, institute in the top base 23
It states lower pressure screw rod 21 and pushes swivel nut 36 and fix, the pushing swivel nut 36 is up and down along top base inner hole, the lower pressure screw rod
21 lower end is connect with upper die head 24, under the pushing swivel nut 36 connects the downward displacement of restricted pushing swivel nut 36 and realizes
The first spring 20 that pressure swivel nut 36 resets upwards.The top for pushing swivel nut 36 is connected with by cap 19, pushes swivel nut 36 in quilt
19 underside of cap is connected with adjusting nut 22, and the adjusting nut 22 is threadedly coupled with top base 23, first spring 20
Housing is on pushing swivel nut 36 and upper end is abutted with by 19 elasticity of cap, and lower end is abutted with 22 elasticity of adjusting nut.First spring 20
For providing upper die head 24 uplink elastic force, it is beneficial to die head separation up and down.In addition, top base 23 is threaded with locking nut
37, top base 23 and top mold holder 35 is fixed, and adjusting nut 22 is threaded with the lock nut 38 for locking adjusting nut 22.
When lower pressure screw rod 21 pushes, the first spring 20 is compressed, by the decrement of adjustable first spring 20 of adjusting nut 22, is adjusted
After nut 22 is adjusted in place, it can be locked by lock nut 38.
The hydraulic system of the corrugated pipe forming machine, by oil pump unit hydrodynamic force, drive molding die carry out it is hydraulic at
Type.The hydraulic system includes fuel tank 1, the first oil circuit, the second oil circuit, and first oil circuit is including the first valve block 5, by oil by oil
Case 1 is pumped to the first oil pump unit 2 of the first valve block 5, the first petroleum pipeline 9 and first connecting with the first valve block 5 and oil cylinder 18
Oil return pipe 10, the first superposition the overflow valve group 7, the first electromagnetic switch valve group for being used to control the first oil circuit in the first valve block 5
6, second oil circuit includes the second valve block 13, oil is pumped to the second oil pump unit 31 of the second valve block 13 by fuel tank 1, with the
The second petroleum pipeline 17 that two valve blocks 13 are connected with pipe internal cavities, in the second valve block 13 for controlling the of the second oil circuit
Two superposition overflow valve groups 11, the second electromagnetic switch valve group 12.Pass through the first pump oil between first oil pump unit 2 and the first valve block 5
Pipe 3 connects, and is connected between the second oil pump unit 31 and the second valve block 13 by the second pump oil pipe 32.Second petroleum pipeline 17 be with into
Oilhole 43 connects, and oil is delivered to pipe internal cavities using oil filling device 44.
In the hydraulic system, it is additionally provided with various instrument and valve, specifically, the first valve block 5 is connected with first pressure
Table 4, second petroleum pipeline 17 are connected with second pressure gauge 15, pressure switch 16, the pressure switch 16 and the second valve
It is connected with the second intermediate relay group 14 between block 13, is connected in first between the pressure switch 16 and the first valve block 5
Between relay group 8.
The working principle of the invention is corresponded to below with reference to concrete application to explain.In the ripple of molding model ф 15*4
Guan Shi uses antiwear hydraulic oil as pressure medium, pipe 25 is inserted into mounting hole when operating with, and die sleeve 27 is left
Right symmetrical, after equipment starting, molding center is pipe center, and die sleeve 27 makes the combined movement in left and right, while the second oil pump
Hydraulic oil in fuel tank 1 is delivered to the second valve block 13 through the second pump oil pipe 32 by unit 31, and hydraulic oil by having been turned at this time
The second electromagnetic switch valve group 12, second superposition overflow valve group 11 and the second petroleum pipeline 17 finally reach pipe internal cavities, and
Certain pressure is maintained, second pressure gauge 15 is capable of the internal hydraulic pressure of the second petroleum pipeline of real-time monitoring 17, and the pressure in pipe reaches
After the setting pressure of pressure switch 16, pressure switch 16 and the first intermediate relay group 8 are powered, the first electromagnetic switch valve group
Hydraulic oil in fuel tank 1 is delivered to the first valve block 5, first pressure gauge 4 through the first pump oil pipe 3 by 6 conductings, the first oil pump unit 2
The real-time pressure of the first valve block 5 is monitored, hydraulic oil passes through the first electromagnetic switch valve group 6, first superposition having been turned at this time and overflows
It flows valve group 7 and the first petroleum pipeline 9 and oil is delivered to oil cylinder 18, so that the piston rod of oil cylinder 18 is stretched out compressing by cap 19, piston rod is held
Continuous to push, upper die head 24 is contacted with the top of pipe 25, and applies pressure, and the deformation of pipe 25 becomes short, then proceedes to be urged to mould
Piece 26, upper die head 24 act on lower pipe 25 and deform according to matrix closo chamber.
It when being pressed to the extreme position of adjusting nut 22 and the first spring 20 by cap 19, pushes and completes, the first electromagnetism changes
To 6 switched conductive direction of valve group, in-oil cylinder hydraulic oil is back to fuel tank 1 through the first oil return pipe 10 and the first valve block 5, due to work
Stopper rod playback rises to initial position together with upper die head 24 by cap 19 under the elastic force effect of the first spring 20, and matrix type chamber is beaten
Taking-up finished product is opened, entire forming process terminates.
When pipe 25 occurs rupture and leads to hydraulic decline in forming process, pressure switch 16 is disconnected, among first after
Electric appliance group 8 and the second intermediate relay group 14 power off respectively, the first electromagnetic switch valve group 6 closure, in-oil cylinder hydraulic oil reflux
To fuel tank 1, piston rod rises, and avoids matrix of wounding, and the second electromagnetic switch valve group 12 is closed fuel cut-off, prevents hydraulic oil from spraying
Out.
In addition, the rack 30 is equipped with poly- tank deck face, poly- tank deck face can inclination at an angle, it is poly- in order to oil
Collection.To the oil overflowed in forming process, after assembling on poly- tank deck face, by the second oil return pipe 34, and through 33 mistake of filter
Fuel tank 1 is back to after filter.
The present invention has the characteristics that safety, is applicable in, and has good promotion and practical value.
In addition to above preferred embodiment, there are other embodiments of the invention, and those skilled in the art can be according to this
Invention makes various changes and modifications, and as long as it does not depart from the spirit of the invention, should belong in claims of the present invention and determines
The range of justice.
Claims (1)
1. corrugated pipe forming machine upper die component, which is characterized in that the oil cylinder including top mold holder, in top mold holder, the oil cylinder
Piston rod for driving upper die head to move up and down, the top mold holder is equipped with top base, and vertical movable is worn in the top base
A lower pressure screw rod is crossed, the lower pressure screw rod is fixed with swivel nut is pushed, and the pushing swivel nut is up and down along top base inner hole, described
The lower end of lower pressure screw rod is connect with upper die head, under the pushing swivel nut connects the downward displacement of restricted pushing swivel nut and realizes
The first spring that pressure swivel nut resets upwards, the top for pushing swivel nut is connected with by cap, and is connected with by cap underside
Adjusting nut, the adjusting nut are threadedly coupled with top base, and the spring overcoat is on pushing swivel nut and upper end and capped projectile
Property abut, lower end abuts with adjusting nut elasticity, and top base is threaded with locking nut, top base is fixed with top mold holder,
Adjusting nut is threaded with the lock nut for locking adjusting nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710830796.7A CN107790531B (en) | 2017-09-15 | 2017-09-15 | Corrugated pipe forming machine upper die component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710830796.7A CN107790531B (en) | 2017-09-15 | 2017-09-15 | Corrugated pipe forming machine upper die component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107790531A CN107790531A (en) | 2018-03-13 |
| CN107790531B true CN107790531B (en) | 2019-11-19 |
Family
ID=61531904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710830796.7A Active CN107790531B (en) | 2017-09-15 | 2017-09-15 | Corrugated pipe forming machine upper die component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107790531B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2217799A (en) * | 1938-03-30 | 1940-10-15 | Fulton Sylphon Co | Hydraulic press |
| US2610667A (en) * | 1947-07-02 | 1952-09-16 | Robertshaw Fulton Controls Co | Hydraulic corrugating machine |
| US4319471A (en) * | 1980-02-09 | 1982-03-16 | Benteler-Werke Ag | Apparatus for producing a corrugated tube |
| CN201744548U (en) * | 2010-06-17 | 2011-02-16 | 九江财兴卫浴实业有限公司 | Auxiliary push device for hydraulic pipe fitting bulging |
| CN104646480A (en) * | 2015-03-02 | 2015-05-27 | 安徽工业大学 | Method and device for forming light alloy reducing pipe |
-
2017
- 2017-09-15 CN CN201710830796.7A patent/CN107790531B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2217799A (en) * | 1938-03-30 | 1940-10-15 | Fulton Sylphon Co | Hydraulic press |
| US2610667A (en) * | 1947-07-02 | 1952-09-16 | Robertshaw Fulton Controls Co | Hydraulic corrugating machine |
| US4319471A (en) * | 1980-02-09 | 1982-03-16 | Benteler-Werke Ag | Apparatus for producing a corrugated tube |
| CN201744548U (en) * | 2010-06-17 | 2011-02-16 | 九江财兴卫浴实业有限公司 | Auxiliary push device for hydraulic pipe fitting bulging |
| CN104646480A (en) * | 2015-03-02 | 2015-05-27 | 安徽工业大学 | Method and device for forming light alloy reducing pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107790531A (en) | 2018-03-13 |
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