CN208408287U - Make the mold of air conditioning for automobiles connector - Google Patents
Make the mold of air conditioning for automobiles connector Download PDFInfo
- Publication number
- CN208408287U CN208408287U CN201821052416.8U CN201821052416U CN208408287U CN 208408287 U CN208408287 U CN 208408287U CN 201821052416 U CN201821052416 U CN 201821052416U CN 208408287 U CN208408287 U CN 208408287U
- Authority
- CN
- China
- Prior art keywords
- face
- connector
- air conditioning
- formed punch
- empty cavity
- 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.)
- Expired - Fee Related
Links
- 238000004378 air conditioning Methods 0.000 title claims abstract description 51
- 230000006835 compression Effects 0.000 claims abstract description 21
- 238000007906 compression Methods 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 238000004080 punching Methods 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 239000011265 semifinished product Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 238000005219 brazing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Landscapes
- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses a kind of mold for making air conditioning for automobiles connector, including upper die and lower die, the upper mold includes upper die body, the compression leg being connected to below the upper die body and the formed punch being connected to below compression leg;The lower end surface of the formed punch is planar end surface, and the lower round empty cavity of the lower die has the planar base surface for the bottom for blocking lower round empty cavity, and the center of the planar base surface also has the columned top pillar extended straight up, and the top end face of the top pillar is planar end surface;When punching press in place, between the lower end surface of the formed punch and the top end face of the top pillar have gap.The end face of the bottom of the pipe of the air conditioning for automobiles connector of the utility model production is very smooth, does not need additionally to modify the end face, can be improved the manufacture efficiency of air conditioning connector and reduces manufacturing cost.
Description
Technical field
The utility model belongs to the connector of automobile air conditioning technology field more particularly to air conditioning for automobiles.
Background technique
For guarantee air-conditioning duct do not leak, someone devises connector as shown in figs. 1 and 1A, the connector by
Integrally formed tube body 10 and positioned at 10 upper end of tube body flange connector 20 constitute, 20 two sides of flange connector have symmetrically to
The connector 21 of upper extension and shape decrement, the flange connector 20 have the curved weld from 21 top of connector to intermediate recess
Face 22, the flange connector also have the locating ring 23 along the fluctuating setting of interior mouth rim, and locating ring 23 has what is be spaced apart to determine
Position protrusion 24.The outer surface 25 of flange connector 20 and 11 rounding off of outer surface of tube body 10.
As shown in Fig. 2, for the reliable welding for realizing upper tube 30 and down tube 40 in connector 01 and air-conditioning duct, need by
The curved weld face of flange connector 20 is welded together by way of soldering with upper tube 30, under the tube body 10 of connector is then inserted into
In pipe 40, and the outer surface of tube body 10 and the inner tubal wall of down tube 40 are brazed together.For the quality for guaranteeing welding, arc is needed
The solder layer of the outer surface of welding surface and tube body is evenly distributed.
Due to connector construction complexity, it is desirable that be integrally formed and solder layer is required to be evenly distributed, applicant once invented
A kind of molding die of air conditioning for automobiles connector, is disclosed in the Chinese patent literature of CN206405282U, including upper mold is under
Mould;The upper mold includes upper die body, the compression leg being connected to below the upper die body, the formed punch below the connection compression leg, described
The end face of compression leg has the annular groove of the locating ring of the molding air conditioning connector around the formed punch and around described
The molding end face in the curved weld face of the molding air conditioning connector of formed punch, root of the annular groove bottom surface in the formed punch
Portion rises and falls with the shape of the molding end face and has the locating ring for the molding air conditioning connector being circumferentially spaced apart
The contoured pocket of positioning protrusion;The lower end of the formed punch has cone-shaped end, the diameter of the formed punch and the air conditioning connector
Tube body internal diameter it is identical.The utility model has the advantages that brazing material layer is evenly distributed for making air conditioning connector, guarantees
The quality of connector and the welding of other pipelines.But the end face of the bottom of the pipe of this formed in mould air conditioning connector is uneven
It is whole, cause also to need to modify the end face smooth, and existing dressing method is also difficult to realize automatic operation, cause it is final should
The manufacture efficiency of air conditioning connector is also relatively low, manufacturing cost is big.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of molds for making air conditioning for automobiles connector, use this
The end face of the tube body of formed in mould air conditioning connector is smooth, overcomes the shortcomings of the prior art.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solutions:
A kind of mold making air conditioning for automobiles connector, including upper die and lower die, the upper mold include upper die body, are connected to
The end face of compression leg below the upper die body and the formed punch being connected to below compression leg, the compression leg has around the formed punch
Form the annular groove of the locating ring of the air conditioning connector and the arc of the molding air conditioning connector around the formed punch
The molding end face of shape welding surface, the molding end face be two sides be upturned, intermediate downward projection of arcwall face, the annular is recessed
Groove bottom rises and falls with the shape of the molding end face in the root of the formed punch and has described in the molding that is circumferentially spaced apart
The contoured pocket of the positioning protrusion of the locating ring of air conditioning connector;The lower die have upper round empty cavity and lower round empty cavity, it is described on
There is the arc forming surface of the outer surface for the flange connector for forming the air conditioning connector between round empty cavity and lower round empty cavity;It is described
Arc forming surface is that two sides are upturned, are intermediate to lower recess;The diameter of the upper round empty cavity can put blank into just;It is special
Sign is: the lower end surface of the formed punch is planar end surface, and the lower round empty cavity has the flat of the bottom for blocking the lower round empty cavity
Bottom surface, the center of the planar base surface also have the columned top pillar extended straight up, and the top end face of the top pillar is flush end
Face;When punching press in place, between the lower end surface of the formed punch and the top end face of the top pillar have gap.
End face using the bottom of the pipe of the air conditioning for automobiles connector of the utility model production is very smooth, does not need additional
The end face is modified, can be improved the manufacture efficiency of air conditioning connector and reduces manufacturing cost.
Detailed description of the invention
The utility model is described in detail with reference to the accompanying drawings and detailed description:
Fig. 1 is the structural schematic diagram of connector;
Figure 1A is the front view of connector;
Fig. 2 is top tube and down tube connection schematic diagram in connector and air-conditioning duct;
Fig. 3 is the structural schematic diagram of blank;
Fig. 4 is the structural schematic diagram of mold;
Fig. 5 is the schematic perspective view of upper mold;
Fig. 5 A is compression leg and formed punch assembling structure top view;
Fig. 5 B is sectional view along A-A in Fig. 5 A;
Fig. 6 is the perspective view of lower die structure;
Fig. 7 is the top view of lower die structure;
Fig. 8 is the bottom view of lower die structure;
Fig. 9 is B-B direction cross-sectional view in Fig. 7.
Specific embodiment
As shown in figure 4, the mold of the production air conditioning for automobiles connector of the utility model, including upper mold 200 and lower die 300.
As shown in connection with fig. 5, upper mold 200 includes upper die body 210, the compression leg 220 for being connected to 210 lower section of upper die body and connection
Formed punch 230 below compression leg 220.
Wherein, the end face of compression leg 220 has the annular groove 221 around formed punch 230 and the forming ends around formed punch 230
Face 222.The annular groove 221 is used to form the locating ring of air conditioning connector, and molding end face 222 is for forming air conditioning connector
The curved weld face of flange connector.Specifically, molding end face 222 be two sides be symmetrically upturned, intermediate downward projection of arc
Face, shape are corresponding to the shape in curved weld face of the flange connector of air conditioning connector.The bottom surface of annular groove 221 is in formed punch
230 root rises and falls with the shape of molding end face and has the contoured pocket 223 being circumferentially spaced apart, the contoured pocket 223
The positioning protrusion on the locating ring of air conditioning connector can be formed.The circumferential surface of compression leg 220 and formed punch 230 is periphery.
The lower end surface of formed punch 230 be planar end surface, the lower end exceed downwards molding end face 222 extreme lower position 224 away from
From for 2-3mm.The diameter of formed punch 230 is identical as the internal diameter of the tube body for the air conditioning connector to be made.Due to annular groove 221
Structure is more complicated, by the way that the lower end surface of formed punch 230 to be designed at a distance from annular groove 221 relatively, enable to
Material can it is preferential, enter sufficiently into annular groove, ensure that the Forming Quality of the molding locating ring of annular groove.
As fig. 5 a and fig. 5b, in upper mold, compression leg 220 and formed punch 230 are separate structures, by seperated assembling parts
At including centrally located columned formed punch 230, the inner ring body 231 being socketed in outside formed punch 230 and socket inner ring body 231
Outer outer ring body 233, three are fixedly connected on upper die body 210.The wherein width of the wall thickness of inner ring body 231 and annular groove 221
Degree is consistent, and lower end surface processes the bottom surface of annular groove 221, the wall thickness of outer ring body 233 and the consistency of thickness of molding end face, lower end
The corresponding shape for processing molding end face 222 in face.Using such structure, so that upper mold is easily worked, and machining accuracy is high,
Mold processing defect, and the long service life of mold are less likely to occur, ensure that Forming Quality.
Such as Fig. 6-Fig. 8, lower die 300 has interconnected upper round empty cavity 310 and lower round empty cavity 320, upper 310 He of round empty cavity
It is smoothly transitted between lower round empty cavity 320 by arc forming surface 330;Arc forming surface 330 is used to form the company of air conditioning connector
Connect flange exterior surface.Specifically, arc forming surface 330 is that two sides are upturned, are intermediate to lower recess, shape and air conditioning connector
Flange connector outer surface it is corresponding.The diameter of round empty cavity 310 be able to be put into blank 100 on air-conditioning, accomplish that blank 100 is put as far as possible
Gap after entering between upper round empty cavity 310 and blank 100 is minimum, as long as can be put into blank 100 in upper round empty cavity 320 i.e.
It can.
In the present invention, lower round empty cavity 320 is not the structure of perforation, has the bottom for blocking lower round empty cavity 320
The planar base surface 321 in portion.The center of the planar base surface 321 also has the columned top pillar 322 extended straight up, the top pillar 322
Top end face be planar end surface.The internal diameter of the diameter of formed punch 230 and the diameter of top pillar with the tube body for the air conditioning connector to be made
It is identical.When punching press in place, upper mold close completely in lower die when, it is desirable that between the lower end surface of formed punch 230 and the top end face of top pillar 322
Gap with 1.2mm, the presence in the gap, so that having the partition of a 1.2mm thickness in the tube body of molding semi-finished product.
To reduce burr, the compression leg 220 of the upper mold 200 of production is more smaller than the diameter of the upper round empty cavity 310 of lower die, but to use up
Amount reduces compression leg 220 and enters the gap after upper round empty cavity 310 between the two, as long as guaranteeing that compression leg 220 can smoothly enter into round sky
In chamber 310, in the present embodiment, the gap substantially 0.1mm.
As shown in figure 9, lower die 300 is assembled by cavity 340, cylinder 350 and apical ring 360.Cavity 340 includes mutual
The upper round empty cavity 310 and lower round empty cavity 320 of connection pass through arc forming surface 330 between upper round empty cavity 310 and lower round empty cavity 320
It smoothly transits.Cylinder 350 is structure as a whole, and is made of bottom plate 351 and the top pillar 322 for being vertically positioned at bottom plate 351.Wherein, top pillar
322 are located at the center of lower round empty cavity 320, and bottom plate 351 blocks the bottom of lower round empty cavity 320.Top pillar 322 and lower round empty cavity
Gap between 320 inner wall forms pipe forming chamber.The wall thickness of apical ring 361 is slightly more smaller than the thickness of pipe forming chamber, pad
In the bottom of pipe forming chamber, the upper surface of such apical ring 360 is formed above-mentioned planar base surface 321.The corresponding top on bottom plate
The position distribution of ring 360 has through-hole 361, and thimble (not shown) is placed in through-hole 361.
The size of each part and each portion structure in upper die and lower die is according to each of the air conditioning connector of preprocessing
The structure size at position determines that this is the common knowledge of the art, is not repeated.
Using the method for the Mold Making air conditioning for automobiles connector of the utility model, include the following steps:
Make blank:
Raw material plate is bought from market, raw material plate is three layers of complex layered plate, and middle layer is aluminium alloy layer, with a thickness of 4.7mm,
The upper and lower are pincers solder layer, with a thickness of 0.5mm.
Raw material plate cutting is fabricated to discoid, diameter 32mm, is fabricated to blank 100 as shown in Figure 3.
Punch forming:
Blank 100 is placed into the upper round empty cavity 310 of lower die 300, so that the warping part pair of the molding end face in upper mold
The warping part of arc forming surface in quasi- lower die, driving upper mold 200 pushes, until punching press ultimately forms air conditioning connector in place
Semi-finished product have the partition for blocking tube body in the tube body of the semi-finished product.Pressure when upper mold punching press is 50T, speed 10cm/
s。
After semi-finished product molding, by driving thimble, apical ring 360 is driven, again by thimble so as to realize semi-finished product
Easily ejected from lower die.
Post-processing:
The intracorporal partition of pipe is washed out after semi-finished product taking-up, then with other formed punch, then with the mode of trimming and polishing
Semi-finished product edge is modified, air conditioning connector is finally fabricated to.
In the present invention, the lower end surface of formed punch is designed to planar end surface, lower round empty cavity is designed to it is not perforation knot
Structure has the planar base surface for blocking bottom, and also increases the columned top pillar extended straight up at the center of planar base surface,
And the top end face for designing top pillar is planar end surface.Using the mold formed automobile air conditioning connector of this spline structure, not only molding is obtained
Air conditioning connector brazing layer thickness it is uniform, and the end face of bottom of the pipe is very smooth, does not need to carry out the position again
Finishing, improves the manufacture efficiency of air conditioning connector, is conducive to the reduction of manufacturing cost.
But those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate this
Utility model, and being not used as the restriction to the utility model, if in the spirit of the utility model, to
Variation, the modification of the upper embodiment will all be fallen in the Claims scope of the utility model.
Claims (4)
1. a kind of mold for making air conditioning for automobiles connector, including upper die and lower die, the upper mold includes upper die body, is connected to institute
The formed punch stating the compression leg below upper die body and being connected to below compression leg, the end face of the compression leg have around the formed punch at
The arc of the annular groove of the locating ring of air conditioning connector described in type and the molding air conditioning connector around the formed punch
The molding end face of welding surface, the molding end face be two sides be upturned, intermediate downward projection of arcwall face, the annular groove
Bottom surface rises and falls with the shape of the molding end face in the root of the formed punch and has the molding sky being circumferentially spaced apart
Adjust the contoured pocket of the positioning protrusion of the locating ring of connector;The lower die has upper round empty cavity and lower round empty cavity, the upper circle
There is the arc forming surface of the outer surface for the flange connector for forming the air conditioning connector between cavity and lower round empty cavity;The arc
Shape forming surface is that two sides are upturned, are intermediate to lower recess;The diameter of the upper round empty cavity can put blank into just;Its feature
Be: the lower end surface of the formed punch is planar end surface, and the lower round empty cavity has the flat of the bottom for blocking the lower round empty cavity
Face, the center of the planar base surface also have the columned top pillar extended straight up, and the top end face of the top pillar is planar end surface;
When punching press in place, between the lower end surface of the formed punch and the top end face of the top pillar have gap.
2. the mold of production air conditioning for automobiles connector according to claim 1, it is characterised in that: the lower end surface of the formed punch
The distance of extreme lower position downwards beyond the molding end face is 2-3mm.
3. the mold of production air conditioning for automobiles connector according to claim 1, it is characterised in that: the compression leg and the punching
Head is separate structure, including centrally located columned formed punch, the inner ring body being socketed in outside formed punch and is socketed outside inner ring body
Outer ring body, three is fixedly connected on the upper die body, and the lower end surface of the inner ring body processes the bottom surface of annular groove, institute
The lower end surface for stating outer ring body processes the shape of molding end face.
4. it is according to claim 1 production air conditioning for automobiles connector mold, it is characterised in that: the lower die by cavity,
Cylinder and apical ring assemble;The cavity includes the interconnected upper round empty cavity and the lower round empty cavity;The column
Body is integrally formed by bottom plate with the top pillar for being vertically positioned at the bottom plate;The top pillar is located at the centre bit of the lower round empty cavity
It sets, the bottom plate blocks the bottom of the lower round empty cavity;Gap shape between the top pillar and the inner wall of the lower round empty cavity
At pipe forming chamber;The apical ring pad forms described flat in the bottom of the pipe forming chamber, the upper surface of the apical ring
Face;The position that the apical ring is corresponded on the bottom plate is equipped with through-hole, is placed with thimble in the through-hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821052416.8U CN208408287U (en) | 2018-07-04 | 2018-07-04 | Make the mold of air conditioning for automobiles connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821052416.8U CN208408287U (en) | 2018-07-04 | 2018-07-04 | Make the mold of air conditioning for automobiles connector |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208408287U true CN208408287U (en) | 2019-01-22 |
Family
ID=65124529
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821052416.8U Expired - Fee Related CN208408287U (en) | 2018-07-04 | 2018-07-04 | Make the mold of air conditioning for automobiles connector |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208408287U (en) |
-
2018
- 2018-07-04 CN CN201821052416.8U patent/CN208408287U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190122 |