CN207119705U - Metal bellows abutting end flaring tooling - Google Patents
Metal bellows abutting end flaring tooling Download PDFInfo
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- CN207119705U CN207119705U CN201721169769.1U CN201721169769U CN207119705U CN 207119705 U CN207119705 U CN 207119705U CN 201721169769 U CN201721169769 U CN 201721169769U CN 207119705 U CN207119705 U CN 207119705U
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- abutting end
- movable punch
- movable
- metal bellows
- cavity plate
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Abstract
The utility model discloses a kind of metal bellows abutting end flaring tooling, including fixed cavity plate, the fixed negative mold has inner chamber, the top of the fixed cavity plate is provided with the opening connected with inner chamber, the interior intracavitary is provided with movable punch, the movable punch around at least two uniform movable blocks of center by forming, tightened by spring the outer circumferential of the movable punch, the top of the fixed cavity plate is provided with thimble moving up and down, the central upper portion of the movable punch is provided with spacing projection, the spacing projection is located in opening, and the internal diameter of opening and the major diameter fit of spacing projection define the diameter of enlarging.The utility model versatility is stronger, and abutting end dimensional accuracy after expanding is high, suitable for the enlarging of all kinds of metal bellows abutting ends.
Description
Technical field
It the utility model is related to metal bellows processing technique field, and in particular to metal bellows abutting end enlarging work
Dress.
Background technology
Current metal bellows abutting end flared method is；Metal bellows abutting end internal sleeve is mounted in lathe core bar
On, start lathe and drive bellows rotation, extruded with pair of rollers metal bellows abutting end, reach and metal bellows is matched somebody with somebody
Close end expansion.This method operating efficiency is low, dimensional uniformity is poor, and bellows abutting end inside and outside wall easily wrinkles.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of metal bellows abutting end flaring tooling, improves
Efficiency, ensure metal bellows abutting end accuracy of gauge, uniformity.
In order to solve the above technical problems, the utility model adopts the following technical scheme that：Metal bellows abutting end enlarging work
Dress, including the supporting plate being placed on work top and the fixation cavity plate on supporting plate, the fixed negative mold has inner chamber, described
The top of fixed cavity plate is provided with the opening connected with inner chamber, and the interior intracavitary is provided with movable punch, and the movable punch is by surrounding
The uniform at least two movable blocks composition in center, the outer circumferential of the movable punch are tightened by spring, and the activity is convex
The center of mould is provided with cone tank, and the anchor modular ring is provided with the locating surface of spacer dimple pipe abutting end end face around opening, described
The top of fixed cavity plate is provided with thimble moving up and down, and the bottom of the thimble is provided with the driving head of taper, the thimble and
Briquetting is connected, and the briquetting is driven by the cylinder, and when thimble axially moves down, driving head acts on cone tank, makes movable block radially
Outer shifting, while driving head acts on bellows abutting end inner circle and realizes enlarging, the central upper portion setting of the movable punch is limited
Position projection, the spacing projection are located in opening, and the internal diameter and the major diameter fit of spacing projection that are open define the straight of enlarging
Footpath.
Preferably, the movable punch for cylinder, the movable punch it is cylindrical provided with the spring set in a ring
Mounting groove, the spring are arranged in spring mounting groove.
Preferably, the movable punch is made up of four pieces of movable blocks.
Preferably, the supporting plate is provided with positioning step, and the fixed negative mold has the lower end for coordinating positioning with positioning step
Mouthful.
The utility model is promoted by cylinder and pressed needing the metal bellows abutting end of enlarging to be positioned on fixed cavity plate
Block, crush block withstand thimble, and because the driving head of thimble and the cone tank of movable punch coordinate, the driving head driving of thimble makes work
The outside spreading of dynamic punch-pin, while driving head realizes enlarging with the effect of bellows abutting end inner circle.Due in the top of movable punch
The external diameter for the spacing projection that the heart is set coordinates the diameter for defining enlarging with opening inside diameter, ensure that the size essence of product abutting end
Degree.
The utility model versatility is stronger, and abutting end dimensional accuracy after expanding is high, suitable for all kinds of metal waves
The enlarging of line pipe abutting end.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and detailed description：
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the fit structure schematic diagram of movable punch and spring.
In figure：1st, work top；2nd, supporting plate；21st, positioning step；3rd, fixed cavity plate；31st, inner chamber；32nd, it is open；4th, cylinder；
5th, briquetting；6th, thimble；61st, driving head；7th, bellows；8th, movable punch；81st, cone tank；82nd, spring mounting groove；83rd, limit convex
Post；9th, spring.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of the utility model protection.
As depicted in figs. 1 and 2, metal bellows abutting end flaring tooling, for the abutting end progress to metal bellows 7
Enlarging, it includes the supporting plate 2 being placed on work top 1 and the fixation cavity plate 3 on supporting plate 2, and the fixed cavity plate 3 has
Inner chamber 31, the top of the fixed cavity plate 3 are provided with the opening 32 connected with inner chamber 31, movable punch 8 are provided with the inner chamber 31,
The movable punch 8 is made up of at least two movable blocks being evenly distributed, and the outer circumferential of the movable punch 8 is by spring 9
Elasticity is tightened, and the center of the movable punch 8 is provided with cone tank 81, and the fixed cavity plate 3 is provided with spacer dimple around opening 32
The locating surface of pipe abutting end end face, the top of the fixed cavity plate 3 are provided with thimble 6 moving up and down, the bottom of the thimble 6
Driving head 61 provided with taper, the thimble 6 are connected with briquetting 5, and the briquetting 5 is driven by cylinder 4.
In the present embodiment, driving head 61 and cone tank 81 all use 30 ° of gradients, can completely be bonded, and activity is convex
Mould 8 is uniformly to be divided into four parts by wire cutting, i.e. movable punch 8 is made up of four pieces of fan-shaped movable blocks, can effectively be protected
Demonstrate,prove the accuracy of action of movable punch 8.When thimble 6 axially moves down, driving head 61 acts on cone tank 81, makes movable block radially
Outer shifting, 8 outside spreading of movable punch, while driving head 61 realize enlarging with the effect of bellows abutting end inner circle.Movable punch 8
Bottom is provided with the through hole penetrated with cone tank 81, the vertex of a cone part of driving head 61 is entered through hole, ensures the effective of thimble
Stroke.
Wherein, the movable punch 8 is cylinder, and the central upper portion of the movable punch 8 is provided with spacing projection 83, is bored
The top of shape groove 81 is located in spacing projection 83, and the spacing projection 83 is located in opening 32.Movable block moves to radial outside
When dynamic, the external diameter of spacing projection 83 defines the diameter of enlarging with the minor diameter fit of opening 32, so as to ensure that product abutting end
Dimensional accuracy, after bellows completes an enlarging, movable punch 8 is returned to size before enlarging by the pulling force of spring 9.
It will be appreciated by persons skilled in the art that fixed cavity plate 3 and movable punch 8 can be big according to bellows abutting end
It is small to carry out zooming in or out for size.
The cylindrical of the movable punch 8 is arranged on spring provided with the spring mounting groove 82 set in a ring, the spring 9
In mounting groove 82, so, spring 9 will not be axially displaced and deviate from from movable punch 8.
In addition, the supporting plate 2 is provided with positioning step 21, the fixed cavity plate 3 has to be coordinated under positioning with positioning step
Port, lower port directly penetrate with inner chamber 31, to facilitate fixed cavity plate 3 to be arranged on supporting plate 2.
First supporting plate 2 is placed on work top 1, then movable punch 8 is packaged with spring 9, is made at its four movable blocks
In same plane, it is placed on above supporting plate 2, center alignment, then fixes cavity plate 3 and be pressed on supporting plate 2, then the ripple for needing enlarging
The abutting end of line pipe 7 is positioned on the fixed locating surface of cavity plate 3, and briquetting 5 is promoted finally by cylinder 4, and crush block 5 withstands thimble 6,
The driving head 61 of thimble 6 is expanded to metal bellows abutting end, simultaneously as the driving head 61 of thimble 6 and movable punch 8
Cone tank 81 coordinate, external diameter and the minor diameter fit of opening 32 of the spacing projection 83 that the central upper portion of movable punch 8 is set limit
The diameter of enlarging, ensure that the dimensional accuracy of product abutting end.By the bellows abutting end that enlarging finishes from fixed cavity plate 3
Extract, reload the bellows for needing enlarging, repeat to operate above.
In addition to above preferred embodiment, the utility model also has other embodiments, and those skilled in the art can root
It is variously modified and deforms according to the utility model, without departing from spirit of the present utility model, the utility model all should be belonged to
Scope as defined in the claims.
Claims (4)
1. metal bellows abutting end flaring tooling, it is characterised in that including the supporting plate being placed on work top and located at support
Fixation cavity plate on plate, the fixed negative mold have inner chamber, and the top of the fixed cavity plate is provided with the opening connected with inner chamber, institute
State interior intracavitary and be provided with movable punch, the movable punch around at least two uniform movable blocks of center by forming, the activity
The outer circumferential of punch-pin is tightened by spring, and the center of the movable punch is provided with cone tank, and the anchor modular ring is got around
Mouth is provided with the locating surface of spacer dimple pipe abutting end end face, and the top of the fixed cavity plate is provided with thimble moving up and down, institute
The bottom for stating thimble is provided with the driving head of taper, and the thimble is connected with briquetting, and the briquetting is driven by the cylinder, in thimble axial direction
When moving down, driving head acts on cone tank, is moved outwards movable block, while driving head and the effect of bellows abutting end inner circle are real
Existing enlarging, the central upper portion of the movable punch are provided with spacing projection, and the spacing projection is located in opening, and it is interior to be open
The major diameter fit of footpath and spacing projection defines the diameter of enlarging.
2. metal bellows abutting end flaring tooling according to claim 1, it is characterised in that the movable punch is circle
Cylindricality, the cylindrical of the movable punch are arranged on spring mounting groove provided with the spring mounting groove set in a ring, the spring
It is interior.
3. metal bellows abutting end flaring tooling according to claim 2, it is characterised in that the movable punch is by four
Block movable block forms.
4. metal bellows abutting end flaring tooling according to claim 1, it is characterised in that the supporting plate is provided with positioning
Step, the fixed negative mold have the lower port for coordinating positioning with positioning step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721169769.1U CN207119705U (en) | 2017-09-13 | 2017-09-13 | Metal bellows abutting end flaring tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721169769.1U CN207119705U (en) | 2017-09-13 | 2017-09-13 | Metal bellows abutting end flaring tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207119705U true CN207119705U (en) | 2018-03-20 |
Family
ID=61601878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721169769.1U Active CN207119705U (en) | 2017-09-13 | 2017-09-13 | Metal bellows abutting end flaring tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207119705U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855425A (en) * | 2017-09-13 | 2018-03-30 | 花园金波科技股份有限公司 | Metal bellows abutting end flaring tooling |
| CN113857315A (en) * | 2021-09-07 | 2021-12-31 | 隆昌山川机械有限责任公司 | Pipe fitting convex machining device and method |
-
2017
- 2017-09-13 CN CN201721169769.1U patent/CN207119705U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855425A (en) * | 2017-09-13 | 2018-03-30 | 花园金波科技股份有限公司 | Metal bellows abutting end flaring tooling |
| CN113857315A (en) * | 2021-09-07 | 2021-12-31 | 隆昌山川机械有限责任公司 | Pipe fitting convex machining device and method |
| CN113857315B (en) * | 2021-09-07 | 2024-04-26 | 隆昌山川机械有限责任公司 | Pipe fitting evagination processingequipment |
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