CN208033485U - A kind of bend pipe necking die - Google Patents
A kind of bend pipe necking die Download PDFInfo
- Publication number
- CN208033485U CN208033485U CN201820312644.8U CN201820312644U CN208033485U CN 208033485 U CN208033485 U CN 208033485U CN 201820312644 U CN201820312644 U CN 201820312644U CN 208033485 U CN208033485 U CN 208033485U
- Authority
- CN
- China
- Prior art keywords
- die holder
- arc baffle
- bend pipe
- clamping
- column
- Prior art date
- 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.)
- Active
Links
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The utility model discloses a kind of bend pipe necking dies, including upper die holder, the horizontal clamping of lower die holder and oblique clamping, upper die holder lower face left part connects the upper part of horizontal clamping by dormant bolt, lower die holder upper surface left part connects the lower part of horizontal clamping by dormant bolt, the upper part of oblique clamping is connected on the right side of the upper die holder lower face by dormant bolt, the lower part of oblique clamping is connected on the right side of the lower die holder upper surface by dormant bolt, left column is installed on the left of the upper die holder lower face, right column is installed on the right side of the left column, the left column and right column lower face are mounted on support plate, the support plate front end face is equipped with rear arc baffle, the rear arc baffle front surface is equipped with soft rubber pad.The bend pipe necking die can expand the application range of necking die, improve the machining accuracy of bend pipe to the steel pipe throat of bending.
Description
Technical field
The utility model is related to machinery manufacturing technology field, specially a kind of bend pipe necking die.
Background technology
Necking is that the cylindrical workpiece that will be stretched in advance or tubular workpieces are contracted its mouth diameters by necking die
A kind of small forming technology.And necking die, it is the punch die for making the radial dimension of hollow blank or tubular blank end reduce.It passes
38.1 necking dies of Φ of system can only carry out necking to straight steel pipe, if the straightway between curved there are two encountering in steel pipe
When shorter (<40mm), port is can not to carry out necking.In addition, in the distance that vertical direction is not clamped, steel pipe can not clamp,
At this time great difficulty is just brought to steel pipe throat.In necking engineering, the problem of most easily producing is exactly that workpiece is pressurized, and is easy unstability
Corrugation, especially in knee necking, punch when carrying out steel pipe axis direction and carrying out necking, can to apply at tube bending compared with
Big stamping press, excessive stamping press can make curved wall in pipe fitting corrugation, curved phenomena such as splitting, is curved broken occur, influence the appearance of steel pipe
And quality.Therefore, it is proposed that a kind of bend pipe necking die.
Utility model content
The purpose of this utility model is to provide a kind of bend pipe necking dies, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions：A kind of bend pipe necking die, including upper mold
Seat, the horizontal clamping of lower die holder and oblique clamping, upper die holder lower face left part connect the upper of horizontal clamping by dormant bolt
Part, lower die holder upper surface left part connect the lower part of horizontal clamping, the upper die holder lower face by dormant bolt
Right side connects the upper part of oblique clamping by dormant bolt, and the lower die holder upper surface right side connects oblique clamping by dormant bolt
Lower part, left column is installed on the left of the upper die holder lower face, right column is installed on the right side of the left column, it is described left vertical
Column and right column lower face are mounted on support plate, and the support plate front end face is equipped with rear arc baffle, the rear arc gear
Plate front surface is equipped with soft rubber pad, and correspondence is equipped with front arc baffle, the front arc baffle in front of the rear arc baffle
With steel pipe is plugged among rear arc baffle, the support plate upper surface is equipped with reinforcing rib.
Preferably, the front arc baffle and rear arc baffle shapes are bonded with steel pipe side wall.
Preferably, the reinforcing rib shape is triangular in shape, be mounted on support plate and front arc baffle and rear arc baffle it
Between.
Preferably, the soft rubber pad is polyurethane rubber pad.
Preferably, the rear arc baffle is mounted on lower die holder upper surface by left column and right column.
Compared with prior art, the utility model has the beneficial effects that：The bend pipe necking die, by the way that horizontal clamping is arranged
Horizontal clamping and oblique clamping is driven to merge, solving to encounter in steel pipe has by being molded to upper die holder and lower die holder with oblique clamping
Two it is curved between straightway it is shorter when (<40mm), port is the problem of can not carrying out necking, to expand the application of necking die
Range；By the way that column and curved baffle structure is arranged, when punch carries out steel pipe axis direction necking, rushed to what knee applied
Pressure has significant buffering effect, avoids interior curved wall from corrugation, curved phenomena such as splitting, is curved broken occur, improves the quality of steel pipe.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the left side structure schematic diagram of the utility model；
Fig. 3 is the partial structural diagram of the utility model.
In figure：1 upper die holder, 2 lower die holders, 3 horizontal clampings, 4 oblique clampings, 5 dormant bolts, 6 left columns, 7 right columns, 8
Fagging, 9 rear arc baffles, 10 reinforcing ribs, 11 soft rubber pads, 12 steel pipes, 13 front arc baffles.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of bend pipe necking die, including upper die holder 1,
2 horizontal clamping 3 of lower die holder and oblique clamping 4,1 lower face left part of the upper die holder connect horizontal clamping 3 by dormant bolt 5
Upper part, 2 upper surface left part of the lower die holder connect the lower part of horizontal clamping 3, the upper die holder 1 by dormant bolt 5
The upper part of oblique clamping 4 is connected on the right side of lower face by dormant bolt 5, passes through dormant bolt 5 on the right side of 2 upper surface of the lower die holder
The lower part of oblique clamping 4 is connected, the oblique clamping 4 makes (copper material, polytetrafluoroethylene (PTFE) etc.) with softer material, in clamping process
It not will produce the case where crushing, the angle of oblique clamping 4 and horizontal clamping 3 is identical as the bend pipe angle of steel pipe.4 material of oblique clamping can
Select polytetrafluoroethylene (PTFE) (Teflon or PTFE), be by tetrafluoroethene it is aggregated made of high-molecular compound, have it is excellent
Chemical stability, corrosion resistance, sealing property, high lubrication, non-stickiness, electrical insulation and good anti-aging endurance.The upper mold
Left column 6 is installed, 6 right side of the left column is equipped with right column 7, the left column 6 and right column 7 on the left of 1 lower face of seat
Lower face is mounted on support plate 8, the left column 6 and right column 7 and dormant bolt 5 is used to connect with upper die holder 1 and lower die holder 2
It connects.8 front end face of the support plate is equipped with rear arc baffle 9, and 9 front surface of rear arc baffle is equipped with soft rubber pad 11,
The soft rubber pad 11 is polyurethane rubber pad, is polymerized by polyester (or polyethers) and diisocyanate lipid compound
, its chemical constitution is more complicated than general elastomeric polymer, in addition to recurrent carbamate groups, in strand often
Also contain the groups such as ester group, ether, aromatic radical.Its wear-resisting property is highest in all rubber, and bumper and absorbing shock is good, can be inhaled
10%~20% vibration energy is received, vibration frequency is higher, and energy absorption is bigger.When punch carries out steel pipe axis direction necking,
To the stamping press that knee applies, curved wall in steel pipe can be caused corrugation, curved phenomena such as splitting, is curved broken occur, influence the quality of steel pipe
And service life, and polyurethane rubber just has good damping, buffering effect, can be significantly improved to this phenomenon, soft rubber
The front surface in rear arc baffle 9 is arranged in pad 11, and soft rubber pad 11 can be reinforced with rear arc baffle 9 after splicing with thin wire
It is fixed.9 front correspondence of the rear arc baffle is equipped with front arc baffle 13, the front arc baffle 13 and rear arc baffle 9
Centre is plugged with steel pipe 12, and the front arc baffle 13 and 9 shape of rear arc baffle are bonded with 12 side wall of steel pipe, the backarc
Shape baffle 9 is mounted on 2 upper surface of lower die holder by left column 6 and right column 7.When in the clamping that steel pipe 12 is put into lower die holder 2,
Upper die holder 1 declines molding, achievees the purpose that clamping, when reducing punch necking work, the punching press of generation.8 upper table of the support plate
Face is equipped with reinforcing rib 10, and 10 shape of the reinforcing rib is triangular in shape, is mounted on support plate 8 and front arc baffle 13 and rear arc
Between baffle 9.
Operation principle：Steel pipe 12 is put on lower die holder 2, by the molding of upper die holder 1 and lower die holder 2, drives centre
Steel pipe is fixed in horizontal clamping 3 and oblique clamping 4, while rear arc baffle 9 and front arc baffle 13 are bonded 12 shape of steel pipe to steel
The knee of pipe 12 is fixed, and punch carries out necking along 12 axis direction of steel pipe.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of bend pipe necking die, including upper die holder (1), lower die holder (2), horizontal clamping (3) and oblique clamping (4), feature
It is：Upper die holder (1) the lower face left part connects the upper part of horizontal clamping (3), the lower die by dormant bolt (5)
Seat (2) upper surface left part connects the lower part of horizontal clamping (3) by dormant bolt (5), and upper die holder (1) lower face is right
Side connects the upper part of oblique clamping (4) by dormant bolt (5), passes through dormant bolt (5) on the right side of lower die holder (2) upper surface
The lower part of oblique clamping (4) is connected, left column (6) is installed on the left of upper die holder (1) lower face, the left column (6) is right
Side is equipped with right column (7), and the left column (6) and right column (7) lower face are mounted on support plate (8), the support plate
(8) front end face is equipped with rear arc baffle (9), and rear arc baffle (9) front surface is equipped with soft rubber pad (11), after described
Corresponding in front of curved baffle (9) to be equipped with front arc baffle (13), the front arc baffle (13) and rear arc baffle (9) are intermediate
It is plugged with steel pipe (12), support plate (8) upper surface is equipped with reinforcing rib (10).
2. a kind of bend pipe necking die according to claim 1, it is characterised in that：The front arc baffle (13) and backarc
Shape baffle (9) shape is bonded with steel pipe (12) side wall.
3. a kind of bend pipe necking die according to claim 1, it is characterised in that：Reinforcing rib (10) shape is in triangle
Shape is mounted between support plate (8) and front arc baffle (13) and rear arc baffle (9).
4. a kind of bend pipe necking die according to claim 1, it is characterised in that：The soft rubber pad (11) is polyurethane
Rubber pad.
5. a kind of bend pipe necking die according to claim 1, it is characterised in that：The rear arc baffle (9) passes through a left side
Column (6) and right column (7) are mounted on lower die holder (2) upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820312644.8U CN208033485U (en) | 2018-03-07 | 2018-03-07 | A kind of bend pipe necking die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820312644.8U CN208033485U (en) | 2018-03-07 | 2018-03-07 | A kind of bend pipe necking die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208033485U true CN208033485U (en) | 2018-11-02 |
Family
ID=63950711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820312644.8U Active CN208033485U (en) | 2018-03-07 | 2018-03-07 | A kind of bend pipe necking die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208033485U (en) |
-
2018
- 2018-03-07 CN CN201820312644.8U patent/CN208033485U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208033485U (en) | A kind of bend pipe necking die | |
| CN201676970U (en) | Improved straight welded pipe expander die | |
| CN217687712U (en) | Metal air duct air leakage detection device | |
| CN213997280U (en) | Hydraulic shaping machine for reprocessing large-caliber groove pipe fitting | |
| CN214133471U (en) | New forms of energy automobile body frame aluminum alloy side pipe is bent and is used fixing device | |
| CN208408122U (en) | The curved tooling of Bai | |
| CN201625695U (en) | Phi 351 steel pipe bending die | |
| CN210308682U (en) | Even rubber roll of PET membrane production usefulness | |
| CN221336053U (en) | Sizing and shaping device for steel belt pipe making | |
| CN114378153A (en) | Thin-wall steel pipe cold bending die and cold bending method | |
| CN107309316B (en) | A kind of fluid pressure type fourth born of the same parents heat-transfer pipe extrusion forming device | |
| CN221136951U (en) | High-frequency machine chuck | |
| CN208303658U (en) | A kind of conical tube Bending Mould | |
| CN206632159U (en) | Pipe pressing die | |
| CN202146933U (en) | Backward-bending machine for steel tube | |
| CN213671164U (en) | Forming device is used in three-way pipe production | |
| CN218505206U (en) | PE pipe bending die | |
| CN206509367U (en) | A kind of cradle with bending miscellaneous function | |
| CN208341628U (en) | A kind of roll forging press machine | |
| CN220574415U (en) | Metal pipe bending equipment | |
| CN208131746U (en) | A kind of aluminum alloy plate materials stamping device | |
| CN208543138U (en) | Welding assembly clamping tool | |
| CN219889015U (en) | Eccentric reducing pipe | |
| CN216028193U (en) | Steel pipe production device for side wall perforating machine in steel pipe machining process | |
| CN221312132U (en) | Multi-stage adjusting reducing machine for cable hook production |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |