Acoustic filter integrated casing and preparation method thereof
Technical field
The present invention relates to a kind of acoustic filter integrated casing and preparation method thereof.
Background technology
At present, the technique that existing muffler shell is conventional is that veneer is assembled or " L " shape sheet material is the most assembled.In this assembling
In technique, need to use the plate cutting Shell Plate that one piece of area is bigger, waste of material is relatively big and complex procedures, product unsightly,
Product strength is low.Also having a kind of is that assembly connects by the way of snapping, complex manufacturing, and poor sealing.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art to provide a kind of acoustic filter integrated casing and preparation side thereof
Method, this acoustic filter integrated casing, with the less sheet fabrication acoustic filter integrated casing of area, save material, assembly process
Simply, product strength is big, and product is attractive in appearance, and production technology is simple, good airproof performance.
In order to achieve the above object, the present invention is achieved in that it is a kind of acoustic filter integrated casing, and its feature exists
In including:
Four pieces of dividing plates;Described every piece of dividing plate includes longitudinal plate and two pieces of horizontal plates, and described four blocks of longitudinal plates are sequentially connected with, described two
Block horizontal plate is respectively provided at the both sides up and down of respective longitudinal plate, and the bearing of trend of two pieces of horizontal plates is consistent, at adjacent two blocks of water
Be provided with between flat board " V " shape groove be easy to adjacent two pieces of horizontal plates relatively bend splicing thus form square shell, end to end two indulge
Being provided with location structure to the end of plate, two longitudinal plates position so that after two blocks of longitudinal plates bend end to end by location structure end to end
Location;And
Four pieces of flanged plates;Described every piece of flanged plate includes flange longitudinal wall and flange buckle limit, the lower end of described flange longitudinal wall and level
The end of plate is fixing to be connected, and the upper end of flange longitudinal wall is fixing with flange buckle limit to be connected, and sets on the same side of every piece of flange longitudinal wall
Limited location structure, described position limiting structure can be resisted against on adjacent flanges longitudinal wall, thus limits what adjacent flanges longitudinal wall bent relatively
Angle.
In the technical program, described location structure includes that inserted sheet and jack, described inserted sheet and jack are respectively provided at end to end
The end of two longitudinal plates, inserted sheet can be plugged in jack so that the end of two longitudinal plates positions end to end.
In the technical program, described position limiting structure includes eight pieces of limited blocks, and what described every piece of limited block was vertical is located at method
The side of blue longitudinal wall, when adjacent flanges longitudinal wall vertically splices, limited block is resisted against on adjacent flange longitudinal wall thus limits adjacent two
Block flange longitudinal wall angle in relative rotation.
In the technical program, it is provided with lapping plate in the same side of described every piece of horizontal plate, when adjacent two pieces of horizontal plates hang down
During straight splicing, lapping plate is overlapped on adjacent level plate, so that the junction of adjacent two horizontal plates seals.
In the technical program, the preparation method of acoustic filter air opening plate, it is characterised in that comprise the steps:
(a) stamping-out sheet material
On one block of sheet material, stamping-out forms four module unit blocks;Top and the bottom of every module unit block are square, every module unit block
Top and bottom are used for forming flange longitudinal wall and flange buckle limit;Middle and upper part and the middle and lower part of every module unit block are trapezoidal, every module unit
The middle and upper part of block and middle and lower part are used for being formed horizontal plate, and the trapezoidal position of adjacent two module unit blocks forms " V " shape groove, every module unit
The middle part of block is longitudinal plate, and every block of longitudinal plate interconnects successively;
Inserted sheet and jack is bent respectively in the end of end to end two longitudinal plates;
Same side upper punch at the i.e. horizontal plate in trapezoidal position of every module unit block is cut out lapping plate, the square department of every module unit block
The same side upper punch of the i.e. flange longitudinal wall in position cuts out limited location block;
(b) bending forming
Longitudinal direction plate is bent with horizontal plate Relative vertical, then flange longitudinal wall is bent with horizontal plate Relative vertical, by flange longitudinal wall
Top be bent into flange buckle limit, then the end on flange buckle limit is bent to form lead angle limit;By every piece of limited block and respective method
Blue longitudinal wall is vertical, and the vertical direction of limited block is contrary with the overbending direction on flange buckle limit;
Being bent by adjacent two longitudinal plates and be converted into vertical configuration, flange longitudinal wall leans with the limited block on adjacent flanges longitudinal wall, thus
Limiting the angle that two adjacent module unit blocks bend relatively, bonding jumper is overlapped on adjacent horizontal plate so that adjacent two blocks of water
Flat board junction seals, and is plugged mutually by inserted sheet and jack after the end of two pieces of horizontal plates (12) rotates end to end, so that four
After the bending of block sheet material, location forms acoustic filter integrated casing.
Present invention advantage compared with prior art is: when producing this shell, with the little sheet material of area, saves material
Material, assembly process is simple, and product strength is big, and product is attractive in appearance.
Accompanying drawing explanation
Fig. 1 is the structural representation of blank of the present invention.
Fig. 2 is the structural representation of four blocks of sheet materials of the present invention;
Fig. 3 is the structural representation after the present invention wherein two pieces of adjacent sheet material bendings;
Fig. 4 is the enlarged drawing of the local A in Fig. 3;
Fig. 5 is the enlarged drawing of the local B in Fig. 3;
Fig. 6 is the enlarged drawing of the Local C in Fig. 3;
Fig. 7 is the structural representation of the present invention.
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further.At this it should be noted that to
The explanation of these embodiments understands the present invention with help, but is not intended that limitation of the invention.Additionally, it is disclosed below
As long as each embodiment of the present invention in involved technical characteristic do not constitute conflict each other and just can be combined with each other.
As shown in Figures 1 to 7, it is a kind of acoustic filter integrated casing, including:
Four pieces of dividing plates 1;Described every piece of dividing plate 1 includes longitudinal plate 11 and two pieces of horizontal plates 12, and described four blocks of longitudinal plates 11 connect successively
Connecing, described two pieces of horizontal plates 12 are respectively provided at the both sides up and down of each self-corresponding longitudinal plate 11, the extension side of two pieces of horizontal plates 12
To unanimously, be provided with between adjacent two pieces of horizontal plates 12 " V " shape groove 2 be easy to adjacent two pieces of horizontal plates 12 relatively bend splicing thus
Forming square shell, be provided with location structure in the end of end to end two longitudinal plates 11, two longitudinal plates 11 can pass through location structure end to end
Location is so that positioning after adjacent two blocks of longitudinal plates 1 bending;And
Four pieces of flanged plates 2;Described every piece of flanged plate 2 includes flange longitudinal wall 21 and flange buckle limit 22, described flange longitudinal wall 21 times
Holding the end with horizontal plate 12 to fix to be connected, the upper end of flange longitudinal wall 21 is fixing with flange buckle limit 22 to be connected, and indulges at every piece of flange
Wall 21 is provided with position limiting structure, and described position limiting structure can be resisted against on adjacent flanges longitudinal wall 21, thus limits adjacent flanges longitudinal wall
21 angles relatively bent.
Punching press bending time, adjacent two pieces of horizontal plates 12 vertically splice, position limiting structure be resisted against on adjacent flanges longitudinal wall 21 from
And forming square shell, the both ends of two longitudinal plates 11 are positioned by location structure end to end.
In the present embodiment, described location structure includes inserted sheet 111 and jack 112, described inserted sheet 111 and jack 112 points
Not being located at the end of two longitudinal plates 11 end to end, inserted sheet 111 is plugged in jack 112 so that the end of two longitudinal plates 11 is determined end to end
Position forms square shell.
In the present embodiment, described position limiting structure includes that eight pieces of limited blocks 211, described every piece of limited block 211 are located at each
The same side of flange longitudinal wall 21, when adjacent flanges longitudinal wall 21 vertically splices, every piece of limited block 211 can be resisted against adjacent flange
On longitudinal wall 21 thus limit adjacent two pieces of flange longitudinal wall 21 angles in relative rotation.
In the present embodiment, the same side at described every piece of horizontal plate 12 is provided with lapping plate 121;When adjacent two horizontal plates 12
When vertically splicing, adjacent two horizontal plates 12 that lapping plate 12 rides over have junction, play the effect of sealing.
In the present embodiment, the preparation method of acoustic filter integrated casing, comprise the steps:
(a) stamping-out sheet material
On one block of sheet material, stamping-out forms four module unit blocks;Top and the bottom of every module unit block are square, every module unit block
Top and bottom are used for forming flange longitudinal wall 21 and flange buckle limit 22;Middle and upper part and the middle and lower part of every module unit block are trapezoidal, every piece
The middle and upper part of cell block and middle and lower part are used for being formed horizontal plate 12, and the trapezoidal position of adjacent two module unit blocks forms " V " shape groove 3,
The middle part of every module unit block is longitudinal plate 11, and every block of longitudinal plate 11 interconnects successively;
Inserted sheet 111 and jack 112 is bent respectively in the end of end to end two longitudinal plates 11;
Same side upper punch at the i.e. horizontal plate 12 in the trapezoidal position of every module unit block is cut out lapping plate 121, every module unit block
The same side upper punch of the i.e. flange longitudinal wall 21 in square position cuts out limited location block 211;
(b) bending forming
Longitudinal direction plate 11 is bent with horizontal plate 12 Relative vertical, then flange longitudinal wall 21 is bent with horizontal plate 12 Relative vertical, will
The top of flange longitudinal wall 21 is bent into flange buckle limit 22, then the end on flange buckle limit 22 is bent to form lead angle limit;By every piece of limit
Position block 211 is vertical with respective flange longitudinal wall 21, and the vertical direction of limited block 211 is contrary with the overbending direction on flange buckle limit 22;
Adjacent two longitudinal plate 11 punching presses are bent into vertical configuration, flange longitudinal wall 21 and the limited block 211 on adjacent flanges longitudinal wall 21
Leaning, thus limit the angle that two adjacent module unit blocks bend relatively, bonding jumper 121 is overlapped on adjacent horizontal plate 12
So that adjacent two pieces of horizontal plate 12 junctions seal, pass through inserted sheet 111 after the end of two pieces of horizontal plates 12 rotates end to end and insert
Hole 112 plugs mutually, so that location forms acoustic filter integrated casing after four pieces of sheet material bendings.
Above in association with accompanying drawing, embodiments of the present invention are explained in detail, but the present invention does not limit to and described reality
Execute mode.To with those of ordinary skill in the art for, to these in the case of without departing from the principle of the present invention and objective
Embodiment carries out multiple change, revises, replaces and deform and still fall within the scope of the present invention.