CN208787341U - A kind of U-shaped rolling Bending Mould of sheet metal for after raising - Google Patents
A kind of U-shaped rolling Bending Mould of sheet metal for after raising Download PDFInfo
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- CN208787341U CN208787341U CN201821271151.0U CN201821271151U CN208787341U CN 208787341 U CN208787341 U CN 208787341U CN 201821271151 U CN201821271151 U CN 201821271151U CN 208787341 U CN208787341 U CN 208787341U
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- lower die
- tablet
- upper mold
- mold
- sheet metal
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Abstract
The utility model discloses a kind of U-shaped rolling Bending Moulds of sheet metal for after raising, including upper mold assembly, lower mould assembly and several be arranged symmetrically in the guidance set being fixedly mounted in upper and lower template between upper and lower mould assembly, upper mold assembly can be slided above and below along the guide post in guidance set；Upper mold assembly include cope plate, upper mounted plate, upper mold, material returned pin and several be mounted on the upper limit position block and guide sleeve fixing seat on cope plate bottom surface, material returned pin upper end has been connected with the spring of material returned effect；Lower mould assembly includes lower mold holder and is mounted on the lower mold core being used cooperatively on lower mold holder with upper mold.The utility model is when to tablet bending to be processed, bending punch-pin two sides tablet and lower die idler wheel are to be in rolling contact, lower die idler wheel only has a line to contact with tablet always, and friction is rolling friction, surface scrolls frictional force is very small when tablet is bent, substantially without wrinkling when tablet bending, the product quality of guarantee improves product qualification rate.
Description
Technical field
The utility model relates to a kind of metal sheet profiled mold, specifically a kind of sheet metal for after raising
U-shaped rolling Bending Mould, belongs to metal sheet profiled technical field of mold.
Background technique
Currently, the U-shaped bending of sheet metal (referring to sheet metal " U " bending) is very simple technique for stamping die.
But if carrying out " U " bending again on the sheet metal for had undulations, existing common Bending Mould with regard to problematic,
Because the bending strength of the same section of sheet metal after raising everywhere is different, easily lead to sheet metal just started it is curved
Qu Shi, the material on bending punch-pin both sides will appear similar wrinkling.And bending punch-pin and bending female die normal gap are theoretically
Only one material is thick, because material corrugation can be during upper mold downlink, the sheet metal that has directly shaped bending upper die two sides
Partial shape destroys, or even tensile phenomenon occurs, and product qualification rate is low.
Utility model content
In view of the above-mentioned problems of the prior art, the utility model provides a kind of sheet metal for after raising
U-shaped rolling Bending Mould, it can be ensured that guarantee product quality without wrinkling substantially when tablet bending, improve product qualification rate.
To achieve the goals above, the utility model adopts the following technical solution: a kind of metal for after raising
U-sheet rolls Bending Mould, including upper mold assembly, lower mould assembly and several be arranged symmetrically between upper and lower mould assembly it is solid
Guidance set of the Dingan County in upper and lower template, the upper mold assembly can be slided above and below along the guide post in guidance set；It is described
Upper mold assembly include cope plate, the upper mounted plate being mounted at cope plate bottom center, the upper mold for being mounted on upper mounted plate lower end,
The material returned pin that can be slidably mounted in upper mold and several upper limit position blocks being mounted on cope plate bottom surface and guide sleeve are consolidated
Reservation, material returned pin upper end have been connected with the spring of material returned effect；The lower mould assembly includes lower mold holder and is mounted on lower die
The lower mold core being used cooperatively on frame with upper mold, the lower mold holder include lower template arranged up and down and lower installation board, the lower die
Parallels is installed, the lower template is equipped with the lower position block matched with upper limit position block between plate and lower installation board；The lower die
Core include two angle R protection blocks being symmetrically mounted in lower template, two be symmetrically mounted in lower template be located at the angle R protection block two
The lower die item of side is mounted on the lower fixed frame being bonded on the outside of inner hole and lower die item in lower template, stripper, is mounted on lower installation board
On nitrogen gas spring and two be symmetrically mounted on two lower die upper inners and lower die item and form the idler wheel for rolling cooperation, it is described
Stripper slides in the cavity that two angle R protection blocks and two lower die items surround, and the stripper lower end is equipped with limit journey screw；
The piston rod of the nitrogen gas spring is withstood on always on the lower plane of stripper, is fixed with tablet in the upper plane of the lower stripper
Locating piece.
Preferably, the idler wheel is mounted on lower die item by roller shaft, is equipped with bearing in the circle nest on the inside of lower die item
It covers, rolling bearing is installed in bearing holder (housing, cover), roller shaft is installed in rolling bearing；The both ends of roller shaft pass through on lower die item
Hole, the two clearance fit；The position of face roller shaft is equipped with the cover board for preventing roller shaft play on the outside of the lower die item；
The idler wheel, which is mounted on roller shaft, to be located on the inside of rolling bearing.
Preferably, the outer ring of the rolling bearing and bearing holder (housing, cover) close-fitting, the inner ring and roller shaft close-fitting of rolling bearing.
Preferably, there are two the guidance sets, it is symmetrically mounted on the left and right sides of lower fixed frame；The upper limit position block,
There are four lower position block is equal, it is respectively symmetrically mounted on the quadrangle of cope plate, lower template.
Preferably, the lower installation board passes through parallels by screw and connect with lower template.
Compared with existing " U " Bending Mould technology, the utility model is used for the U-shaped rolling of sheet metal after raising
Bending Mould, bending punch-pin two sides tablet and lower die idler wheel are to be in rolling contact when due to bending, and lower die idler wheel only has one always
Line is contacted with tablet, and rubbing is rolling friction, and surface scrolls frictional force is very small when tablet is bent, and when tablet bending does not have substantially
There is wrinkling, the product quality of guarantee improves product qualification rate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of tablet to be processed；
Fig. 2 is the cross-sectional view in Fig. 1 at A-A；
Fig. 3 is the cross-sectional view in Fig. 1 at B-B；
Fig. 4 is the schematic diagram after tablet processing；
Fig. 5 is the cross-sectional view in Fig. 4 at A-A；
Fig. 6 is the cross-sectional view in Fig. 4 at B-B；
Fig. 7 is the main view of the utility model；
Fig. 8 is the top view of the utility model；
Fig. 9 is the right view of the utility model.
1- mounting plate；2- parallels；3- lower template；Fixed frame under 4-；5- lower position block；6- upper limit position block；7- cope plate；8-
The angle R protection block；9- stripper；10- upper mold；11- fixed plate；13- guide sleeve fixing seat；14- lower die item；15- locating piece；16- rolling
Wheel；17- bearing holder (housing, cover)；18- roller shaft；19- cover board；20- rolling bearing；21- guidance set；22- spring；23- material returned pin；24-
Limit journey screw；25- nitrogen gas spring.
Specific embodiment
Following embodiments are further explanations for the content of the present invention as to the utility model technology contents
Explaination, but the substantive content of the utility model is not limited in described in following embodiments, and those skilled in the art can
With and should know that any simple change based on the utility model in essence spirit or replacement should belong to the utility model and wanted
The protection scope asked.
As shown in Figures 1 to 9, provided by the embodiment of the utility model a kind of U-shaped for the sheet metal after raising
Roll Bending Mould, including upper mold assembly, lower mould assembly and several be arranged symmetrically between upper and lower mould assembly and be fixedly mounted on
Guidance set 21 in upper and lower template, the upper mold assembly can be slided above and below along the guide post in guidance set 21；The upper mold
Assembly includes cope plate 7, the upper mounted plate 11 being mounted at 7 bottom center of cope plate, is mounted on the upper of 11 lower end of upper mounted plate
Mould 10, the material returned pin 23 that can be slidably mounted in upper mold 10 and several be mounted on the upper limit on 7 bottom surface of cope plate
Block 6 and guide sleeve fixing seat 13,23 upper end of material returned pin have been connected with the spring 22 of material returned effect；Under the lower mould assembly includes
Mould bases and it is mounted on the lower mold core being used cooperatively on lower mold holder with upper mold 10, the lower mold holder includes lower template 3 arranged up and down
With lower installation board 1, parallels 2 is installed between the lower template 3 and lower installation board 1, the lower template 3 is equipped with and upper limit position block 6
The lower position block 5 matched；The lower mold core includes two angle R protection blocks being symmetrically mounted in lower template 38, two symmetrical
It is mounted on the lower die item 14 in lower template 3 positioned at 8 two sides of the angle R protection block, is mounted on 14 outside of inner hole and lower die item in lower template 3
The lower fixed frame 4 of fitting, stripper 9, the nitrogen gas spring 25 being mounted on lower installation board 1 and two are symmetrically mounted on two lower dies
14 upper inner of item and lower die item 14 form the idler wheel 16 for rolling cooperation, and the stripper 9 is in two angle R protection blocks 8 and two
Sliding in the cavity that lower die item 14 surrounds, 9 lower end of stripper are equipped with limit journey screw 24；The piston rod of the nitrogen gas spring 25
Always it withstands on the lower plane of stripper 9, is fixed with tablet locating piece 15 in the upper plane of the lower stripper 9.Wherein, guide sleeve
The quantity of fixing seat 13 is identical as the quantity of guidance set 21, and the installation site between them is corresponding.
Preferably, the idler wheel 16 is mounted on lower die item 14 by roller shaft 18, peace in the circle nest of 14 inside of lower die item
Equipped with bearing holder (housing, cover) 17, rolling bearing 20 is installed in bearing holder (housing, cover) 17, roller shaft 18 is installed in rolling bearing 20；Roller shaft 18
Both ends pass through the hole on lower die item 14, the two clearance fit；The position of the 14 outside face roller shaft 18 of lower die item is equipped with
For preventing the cover board 19 of 18 play of roller shaft；The idler wheel 16, which is mounted on roller shaft 18, is located at 20 inside of rolling bearing.
Preferably, the outer ring of the rolling bearing 20 and 17 close-fitting of bearing holder (housing, cover), the inner ring and roller shaft 18 of rolling bearing 20
Close-fitting.
Preferably, there are two the guidance sets 21, it is symmetrically mounted on the left and right sides of lower fixed frame 4；The upper limit
There are four block 6, lower position block 5 are equal, it is respectively symmetrically mounted on the quadrangle of cope plate 7, lower template 3.Total is symmetrical, it can be ensured that
Whole stability.
Preferably, the lower installation board 1 passes through parallels 2 by screw and connect with lower template 3.Certainly, above-mentioned other components
It can be fixedly connected by screw in addition to being bonded, rolling cooperation etc..
The course of work:
Bending Mould is mounted on press after installation, opens empty examination, after there is no problem, previous process tablet is (to be processed
Tablet) it is placed on the locating piece 15 of stripper 9,10 downlink of upper mold, tablet is under the action of upper mold 10, by 14 He of lower die item
The type that idler wheel 16 surrounds is intracavitary, and idler wheel 16 is contacted with tablet to be started to roll bending with friction.In bending process, stripper 9 begins
Push down among tablet not dogleg section always under the action of nitrogen gas spring 25 eventually.When molding in place, 10 both ends of upper mold and the angle R are protected
Protecting block 8 is corrected the angular position R of tablet, and decreasing rebound, bending terminates, 10 uplink of upper mold, and tablet is acted in stripper 9
Under, the type chamber surrounded by lower die item 14 and idler wheel 16 is held out, upper mold 10 disengages, and tablet stays in stripper under the effect of material returned pin 23
On 9, tablet is removed, a jig frequency is completed.Aforesaid operations are repeated, punching press is successively carried out to other tablets to be processed.
In conclusion cooperation of the utility model by all parts, bending punch-pin two sides tablet and lower die are rolled when bending
Wheel is to be in rolling contact, and idler wheel only has a line to contact with tablet always, and rubbing is rolling friction, surface scrolls when tablet is bent
Frictional force is very small, and substantially without wrinkling when tablet bending, the product quality of guarantee improves product qualification rate.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (5)
1. a kind of U-shaped rolling Bending Mould of sheet metal for after raising, which is characterized in that including upper mold assembly, under
Mould assembly and several be arranged symmetrically in the guidance set (21) being fixedly mounted in upper and lower template between upper and lower mould assembly, institute
Stating upper mold assembly can slide above and below along the guide post in guidance set (21)；
The upper mold assembly includes cope plate (7), the upper mounted plate (11) being mounted at cope plate (7) bottom center, is mounted on
The upper mold (10) of upper mounted plate (11) lower end, the material returned pin (23) that can be slidably mounted in upper mold (10) and several peaces
Upper limit position block (6) and guide sleeve fixing seat (13) on cope plate (7) bottom surface, material returned pin (23) upper end, which has been connected with, moves back
The spring (22) of material effect；
The lower mould assembly includes lower mold holder and is mounted on the lower mold core being used cooperatively on lower mold holder with upper mold (10),
The lower mold holder includes lower template arranged up and down (3) and lower installation board (1), the lower template (3) and lower installation board (1)
Between be equipped with parallels (2), the lower template (3) is equipped with the lower position block (5) that matches with upper limit position block (6)；
The lower mold core is symmetrically mounted on lower die including two angle R protection blocks (8) being symmetrically mounted on lower template (3), two
It is located at the lower die item (14) of the angle R protection block (8) two sides on plate (3), is mounted on inner hole and lower die item (14) outside on lower template (3)
The lower fixed frame (4) of fitting, stripper (9), the nitrogen gas spring (25) being mounted on lower installation board (1) and two are symmetrically mounted on
Two lower die item (14) upper inners and lower die item (14) form the idler wheel (16) for rolling cooperation,
The stripper (9) sliding, material returned in the cavity that two angle R protection blocks (8) and two lower die items (14) surround
Plate (9) lower end is equipped with limit journey screw (24)；The piston rod of the nitrogen gas spring (25) withstands on the lower plane of stripper (9) always
On, tablet locating piece (15) are fixed in the upper plane of the stripper (9).
2. a kind of U-shaped rolling Bending Mould of sheet metal for after raising according to claim 1, feature exist
In the idler wheel (16) is mounted on lower die item (14) by roller shaft (18), is equipped in the circle nest on the inside of lower die item (14)
Bearing holder (housing, cover) (17), bearing holder (housing, cover) (17) is interior to be equipped with rolling bearing (20), is equipped with roller shaft (18) in rolling bearing (20)；Idler wheel
The both ends of axis (18) pass through the hole on lower die item (14), the two clearance fit；Face roller shaft on the outside of the lower die item (14)
(18) position is equipped with the cover board (19) for preventing roller shaft (18) play；The idler wheel (16) is mounted on roller shaft (18)
It is upper to be located on the inside of rolling bearing (20).
3. a kind of U-shaped rolling Bending Mould of sheet metal for after raising according to claim 2, feature exist
In, the outer ring of the rolling bearing (20) and bearing holder (housing, cover) (17) close-fitting, the inner ring and roller shaft (18) close-fitting of rolling bearing (20).
4. a kind of U-shaped rolling Bending Mould of sheet metal for after raising according to claim 1, feature exist
In there are two the guidance sets (21), is symmetrically mounted on the left and right sides of lower fixed frame (4)；The upper limit position block (6), under
There are four limited block (5) is equal, it is respectively symmetrically mounted on the quadrangle of cope plate (7), lower template (3).
5. a kind of U-shaped rolling Bending Mould of sheet metal for after raising according to claim 1, feature exist
In the lower installation board (1) passes through parallels (2) by screw and connect with lower template (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821271151.0U CN208787341U (en) | 2018-08-08 | 2018-08-08 | A kind of U-shaped rolling Bending Mould of sheet metal for after raising |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821271151.0U CN208787341U (en) | 2018-08-08 | 2018-08-08 | A kind of U-shaped rolling Bending Mould of sheet metal for after raising |
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| Publication Number | Publication Date |
|---|---|
| CN208787341U true CN208787341U (en) | 2019-04-26 |
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ID=66204955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821271151.0U Active CN208787341U (en) | 2018-08-08 | 2018-08-08 | A kind of U-shaped rolling Bending Mould of sheet metal for after raising |
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| Country | Link |
|---|---|
| CN (1) | CN208787341U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856518A (en) * | 2018-08-08 | 2018-11-23 | 滁州市科创模具制造有限公司 | A kind of U-shaped rolling Bending Mould of sheet metal for after raising |
| CN110695199A (en) * | 2019-10-15 | 2020-01-17 | 六安职业技术学院 | Large and medium-sized machine tool special-shaped plate stamping equipment for machining |
| CN112371818A (en) * | 2020-11-26 | 2021-02-19 | 南京皮斯特新能源科技有限公司 | Stamping forming method for automobile sheet metal stamping part |
-
2018
- 2018-08-08 CN CN201821271151.0U patent/CN208787341U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108856518A (en) * | 2018-08-08 | 2018-11-23 | 滁州市科创模具制造有限公司 | A kind of U-shaped rolling Bending Mould of sheet metal for after raising |
| CN108856518B (en) * | 2018-08-08 | 2024-03-12 | 滁州市科创模具制造有限公司 | U-shaped rolling bending die for metal sheet after undulating forming |
| CN110695199A (en) * | 2019-10-15 | 2020-01-17 | 六安职业技术学院 | Large and medium-sized machine tool special-shaped plate stamping equipment for machining |
| CN110695199B (en) * | 2019-10-15 | 2020-09-11 | 六安职业技术学院 | Large and medium-sized machine tool special-shaped plate stamping equipment for machining |
| CN112371818A (en) * | 2020-11-26 | 2021-02-19 | 南京皮斯特新能源科技有限公司 | Stamping forming method for automobile sheet metal stamping part |
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