CN206936158U - A kind of bending forming die of elongated product - Google Patents
A kind of bending forming die of elongated product Download PDFInfo
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- CN206936158U CN206936158U CN201720702209.1U CN201720702209U CN206936158U CN 206936158 U CN206936158 U CN 206936158U CN 201720702209 U CN201720702209 U CN 201720702209U CN 206936158 U CN206936158 U CN 206936158U
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- stretch bending
- profiled sheeting
- mold core
- lower mold
- forming part
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Abstract
It the utility model is related to a kind of bending forming die of elongated product, including upper and lower corresponding upper die component and lower mold assemblies, upper mold core combination is provided with upper die component, lower mold core combination is provided with lower mold assemblies, upper mold core combination is combined with lower mold core to be corresponded to up and down；Upper mold core combination includes profiled sheeting and stretch bending punch-pin, and upper profiled sheeting is provided with upper forming part and upper press section, and stretch bending punch-pin is provided with stretch bending portion；Lower mold core combination includes lower profiled sheeting and stretch bending cavity plate, and lower profiled sheeting is provided with lower forming part, and stretch bending cavity plate is provided with lower press section and flanging is recessed；Upper forming part and lower forming part are corresponding up and down, and upper press section and lower press section are corresponding up and down；During matched moulds, in stretch bending portion insertion flanging depression.The beneficial effects of the utility model are as follows：Stock utilization is high, and the sawing sheet size for the stretch bending process that this mould reaches can save about 20% compared with the sawing sheet size of traditional drawing process；Stretch bending structure is novel, simple, operation is very easy.
Description
Technical field
A kind of stamping die is the utility model is related to, specifically a kind of bending forming die of elongated product.
Background technology
Traditional bending molding process, although moulding process is simple, production requirement can not be ensured at all, it is traditional
Processing technology includes stretching, the planarity requirements that can ensure product is the advantages of drawing process, because in forming process
Material produces flowing, be plastically deformed after internal stress be fully released, but the shortcomings that drawing process be stock utilization very
Low, light addendum surface just accounts for very big；In addition, mould structure is complicated, manufacturing cost is high, because stretching die and blanking and piercing die
It is all very big, very heavy, and most of part of two molds is processed with CNC and low-speed WEDM, and processing cost is very high.Cause
This, related die requires further improvement.
The content of the invention
The purpose of this utility model is to overcome above-mentioned the shortcomings of the prior art, and provides a kind of simple in construction, material
Expect the bending forming die of the good elongated product of utilization rate height, simple operation, crudy.
What the purpose of this utility model was realized in：
A kind of bending forming die of elongated product, including corresponding upper die component and lower mold assemblies up and down, upper module
Upper mold core combination is provided with part, lower mold core combination is provided with lower mold assemblies, it is right up and down that upper mold core combination is combined with lower mold core
Should；It is characterized in that：Upper mold core combination includes profiled sheeting and stretch bending punch-pin, and upper profiled sheeting is provided with upper forming part and upper
Press section, stretch bending punch-pin are provided with stretch bending portion；The lower mold core combination includes lower profiled sheeting and stretch bending cavity plate, is set on lower profiled sheeting
There is lower forming part, stretch bending cavity plate is provided with lower press section and flanging is recessed；Upper forming part and lower forming part are corresponding up and down, upper extruding
Portion and lower press section are corresponding up and down；During matched moulds, in stretch bending portion insertion flanging depression.The processing technology of this mould is easy to operate, and
And crudy is good.
The upper profiled sheeting is set with respect to upper die component elastic reset, and the stretch bending punch-pin is fixed with respect to upper die component and set
Put；The lower profiled sheeting is fixedly installed with respect to lower mold assemblies, and the stretch bending cavity plate is set with respect to lower mold assemblies elastic reset.
The upper die component also includes back-moving spring, and its two effects end is respectively acting on upper die component and upper profiled sheeting
On, so that the elastic reset movement up and down of upper profiled sheeting.
The lower mold assemblies also include nitrogen spring, and its two effects end is respectively acting on lower mold assemblies and stretch bending cavity plate
On, so that the elastic reset movement up and down of stretch bending cavity plate.
Gap coordinates between stretch bending portion outer wall and flanging depression inwall, the shape of the shape of upper forming part and lower forming part
Shape is mutually matched.
It is provided with alignment pin on the stretch bending cavity plate, stretch bending punch-pin is provided with positioning hole, and during matched moulds, alignment pin is corresponding to be inserted
In positioning hole.
The beneficial effects of the utility model are as follows：
1. on the basis of traditional drawing process advantage is kept, the shortcomings that turn avoid drawing process；
2. stock utilization is high, the sawing sheet size for the stretch bending process that this mould reaches and the sawing sheet chi of traditional drawing process
Very little to compare, both data comparisons show that the stretch bending process materials that this mould reaches can save about 20%；
3. a mould can borrow long side of two long sides of blank block as workpiece, as long as cutting away both ends after stretch bending, institute
It is just very simple with the structure of trimming and piercing die；
4. stretch bending structure is novel, simple, operation is very easy.
Brief description of the drawings
Fig. 1 is the die opening state sectional view of the embodiment of the utility model one；
Fig. 2 is the matched moulds state sectional view of the embodiment of the utility model one；
Fig. 3 is the enlarged diagram at A in Fig. 2；
Fig. 4 is the structural representation of upper die component in the embodiment of the utility model one；
Fig. 5 is the structural representation of lower mold assemblies in the embodiment of the utility model one；
Fig. 6 is the dimensional structure diagram of converted products in the embodiment of the utility model one；
Fig. 7 is the side view of processed finished products in the embodiment of the utility model one.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model.
Referring to Fig. 1-Fig. 5, the bending forming die of this elongated product includes corresponding upper die component and lower module up and down
Part, upper mold core combination is provided with upper die component, lower mold core combination, upper mold core combination and lower mold core group are provided with lower mold assemblies
Close lower correspondence；Upper mold core combination includes the stretch bending punch-pin 12 of profiled sheeting 11 and two on one, and two stretch bending punch-pin 12 are respectively arranged at
The both sides of profiled sheeting 11, it is non-interference each other；Upper profiled sheeting 11 is provided with upper forming part 1101 and upper press section 1102, stretch bending punch-pin
12 are provided with stretch bending portion 1201；Lower mold core combination is including once the stretch bending cavity plate 7 of profiled sheeting 5 and two, two stretch bending cavity plates 7 are set respectively
It is non-interference each other in the lower both sides of profiled sheeting 5；Lower profiled sheeting 5 is provided with lower forming part 501, and stretch bending cavity plate 7 is provided with lower extruding
Portion 701 and flanging depression 702；Upper forming part 1101 and lower forming part are corresponding about 501, with punching press in the middle part of converted products C
Structure；Upper press section 1102 and lower press section are corresponding about 701, to compress converted products C both sides；During matched moulds, stretch bending portion 1201
Insert in flanging depression 702, bending is carried out to converted products C both sides of the edge in insertion process and clamped.
Upper profiled sheeting 11 is set with respect to upper die component elastic reset, and stretch bending punch-pin 12 is fixedly installed with respect to upper die component；Under
Profiled sheeting 5 is fixedly installed with respect to lower mold assemblies, and the stretch bending cavity plate 7 is set with respect to lower mold assemblies elastic reset.In the course of work,
Mutually pressing acts on first for upper and lower press section and upper and lower forming part, and to compress converted products C, then, shaping and edge bending are several
Carry out simultaneously.
Upper die component also includes back-moving spring 10, and its two effects end is respectively acting on upper die component and upper profiled sheeting 11
On, so that the elastic reset movement about 11 of upper profiled sheeting；Lower mold assemblies also include nitrogen spring 14, and its two effects end acts on respectively
On lower mold assemblies and on stretch bending cavity plate 7, so that the elastic reset movement about 7 of stretch bending cavity plate.Upper profiled sheeting 11 and stretch bending cavity plate 7
Elastic reset is set respectively, effectively improves stamping quality.
Gap coordinates between the outer wall of stretch bending portion 1201 and flanging 702 inwalls of depression, and the gap is used to accommodate and clamp processing
The edge of products C；The shape of the shape of upper forming part 1101 and lower forming part 501 is mutually matched, with the shape needed at punching press.
It is provided with alignment pin 13 on stretch bending cavity plate 7, stretch bending punch-pin 12 is provided with positioning hole 1202, during matched moulds, alignment pin 13
In corresponding insertion positioning hole 1202, alignment pin 13 can effectively guide upper mold core combination to combine cooperation with lower mold core, improve punching press matter
Amount.
Upper die component also includes：Upper mounting plate 15 and upper padding plate 16, upper padding plate 16 are arranged at upper mounting plate 15 and upper shaping
Between plate 11, upper profiled sheeting 11 and upper padding plate 16 are affixed, and back-moving spring 10 is made multiple with the elasticity of profiled sheeting 11 by upper padding plate 16
Displacement is moved；Stop screw 9 is bolted with upper padding plate 16, the surface of stop screw 9 is arranged with guide, and stop screw 9 is driven on guide
For lower slider on upper mounting plate 15, stop screw 9 effectively limits the reset position of upper profiled sheeting 11, it is ensured that under die opening state, on
The lower surface of profiled sheeting 11 is concordant with the lower surface of stretch bending cavity plate 12；
Lower mold assemblies also include：Lower installation board 1, feet 2, die shoe 3, backing plate 4, the first matrix 6, the base of backup plate 8 and second
Body 17；Lower installation board 1, feet 2, die shoe 3 and backing plate 4 are fitted to each other affixed；First matrix 6 sets two pieces, and sets respectively
In the both sides of the second matrix 17, the first matrix 6 and the second matrix 17 are separately fixed on backing plate 4, and lower profiled sheeting 5 is fixed on the second base
On body 17, stretch bending cavity plate about 7 reset movement be arranged at the top of the first matrix 6；Backup plate 8 sets even numbered blocks, and symmetrical two-by-two
Be arranged at lower mold core combination both sides, be fixed with blank holder 18 on backup plate 8, blank holder 18 be located at stretch bending cavity plate 7 and backup plate 8 it
Between.
Operation principle
Die sinking：Referring to Fig. 1, upper die component goes upward to top dead centre, and upper profiled sheeting 11 moves down in the presence of back-moving spring 10,
Make the lower surface of profiled sheeting 11 concordant with the lower surface of stretch bending punch-pin 12, stretch bending cavity plate 7 floats in the presence of nitrogen spring 14, makes
The upper surface of stretch bending cavity plate 7 is concordant with the lower upper surface of profiled sheeting 5.
Matched moulds：Referring to Fig. 2 and Fig. 3, bending forming process is in two stages：First stage is curved U, and second stage is drawing
Stretch：
1. being put into tablet, lathe is started, upper die component is descending, and press section and upper and lower forming part push down material respectively up and down first
Piece；Upper die component continues traveling downwardly, and stretch bending punch-pin 12 inserts stretch bending cavity plate 7, the good Web edges of bending it is outer it is U-shaped after, due to nitrogen
Spring 14 provides sufficiently large pressure-pad-force so that stretch bending cavity plate 7 is compressed with stretch bending punch-pin 12 and the dead tablet of right-angle side pipe, avoids
Material flowing in outside during stretching；
2. enter draw stage：Upper die component is continued traveling downwardly, and stretch bending punch-pin 12 is inserted in stretch bending cavity plate 7, until mould closes
Extremely, drawing process is completed, and generates described converted products C（Referring to Fig. 6 and Fig. 7）.
Above-mentioned is preferred scheme of the present utility model, and general principle of the present utility model, principal character has been shown and described
And the advantages of the utility model.Those skilled in the art should be recognized that the utility model is not restricted to the described embodiments, on
State and simply illustrate principle of the present utility model described in embodiment and specification, do not departing from the spirit and scope of the utility model
On the premise of the utility model also have various changes and modifications, it is new that these changes and improvements both fall within this claimed practicality
In the range of type.The utility model requires protection scope is defined by appended claims and its equivalent.
Claims (6)
1. a kind of bending forming die of elongated product, including corresponding upper die component and lower mold assemblies up and down, upper die component
On be provided with upper mold core combination, lower mold core combination is provided with lower mold assemblies, upper mold core combination is combined with lower mold core to be corresponded to up and down；
It is characterized in that：The upper mold core combination includes profiled sheeting（11）With stretch bending punch-pin（12）, upper profiled sheeting（11）It is provided with upper
Forming part（1101）With upper press section（1102）, stretch bending punch-pin（12）It is provided with stretch bending portion（1201）；The lower mold core combination bag
Include lower profiled sheeting（5）With stretch bending cavity plate（7）, lower profiled sheeting（5）It is provided with lower forming part（501）, stretch bending cavity plate（7）It is provided with down
Press section（701）It is recessed with flanging（702）；Upper forming part（1101）With lower forming part（501）Correspond to up and down, upper press section
（1102）With lower press section（701）Correspond to up and down；During matched moulds, stretch bending portion（1201）Insert flanging depression（702）It is interior.
2. the bending forming die of elongated product according to claim 1, it is characterised in that：The upper profiled sheeting（11）Phase
Upper die component elastic reset is set, the stretch bending punch-pin（12）It is fixedly installed with respect to upper die component；The lower profiled sheeting（5）Phase
Lower mold assemblies are fixedly installed, the stretch bending cavity plate（7）Set with respect to lower mold assemblies elastic reset.
3. the bending forming die of elongated product according to claim 2, it is characterised in that：The upper die component also includes
Back-moving spring（10）, its two effects end is respectively acting on upper die component and upper profiled sheeting（11）On, so that upper profiled sheeting（11）
Upper and lower elastic reset movement.
4. the bending forming die of elongated product according to claim 2, it is characterised in that：The lower mold assemblies also include
Nitrogen spring（14）, its two effects end is respectively acting on lower mold assemblies and stretch bending cavity plate（7）On, so that stretch bending cavity plate（7）On
Lower elastic reset movement.
5. the bending forming die of elongated product according to claim 1, it is characterised in that：The stretch bending portion（1201）Outside
Wall is recessed with flanging（702）Gap coordinates between inwall, upper forming part（1101）Shape and lower forming part（501）Shape phase
Mutually matching.
6. the bending forming die of elongated product according to claim 1, it is characterised in that：The stretch bending cavity plate（7）On
It is provided with alignment pin（13）, stretch bending punch-pin（12）It is provided with positioning hole（1202）, during matched moulds, alignment pin（13）Corresponding insertion positioning
Hole（1202）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720702209.1U CN206936158U (en) | 2017-06-15 | 2017-06-15 | A kind of bending forming die of elongated product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720702209.1U CN206936158U (en) | 2017-06-15 | 2017-06-15 | A kind of bending forming die of elongated product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206936158U true CN206936158U (en) | 2018-01-30 |
Family
ID=61365567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720702209.1U Active CN206936158U (en) | 2017-06-15 | 2017-06-15 | A kind of bending forming die of elongated product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206936158U (en) |
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2017
- 2017-06-15 CN CN201720702209.1U patent/CN206936158U/en active Active
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