CN209869215U - Die for manufacturing partition plate assembly in air inlet passage of gasoline engine - Google Patents
Die for manufacturing partition plate assembly in air inlet passage of gasoline engine Download PDFInfo
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- CN209869215U CN209869215U CN201920337076.1U CN201920337076U CN209869215U CN 209869215 U CN209869215 U CN 209869215U CN 201920337076 U CN201920337076 U CN 201920337076U CN 209869215 U CN209869215 U CN 209869215U
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Abstract
The utility model provides a mould for making partition plate assembly in gasoline engine intake duct, including top mould and die block, there are loose piece on the left side and loose piece on the right side in the recess in the middle part of the top mould, there are loose piece under the left side and loose piece under the right side in the recess in the middle part of the die block, there is curved surface recess of top mould in the middle part recess both sides of the top mould, there is curved surface recess of die block in the middle part recess both sides of the die block, after the resin that pours into the mould solidifies, move loose piece on left side and the right side to the center, then move loose piece under the left side and the right side to the center, in this way can make the curved surface of the above-mentioned four loose pieces each outside completely leave the internal surface of left locating pin and right locating pin after the shaping, separate top mould and die block at last can form the partition plate assembly of partition plate, the left locating pin of partition plate left end and, the left side fixed pin and the right side fixed pin are not influenced by a negative angle of a drawing die, and the processing is simpler, more convenient and better in effect.
Description
Technical Field
The utility model belongs to the technical field of the design and development of internal-combustion engine air inlet and exhaust passage, a median septum casting mould that the intake duct changes the tumble structure is related to, concretely relates to a mould for making gasoline engine intake duct median septum subassembly.
Background
The change of the intake tumble strength under different working conditions can be realized by installing the middle clapboard in the air inlet channel of the gasoline engine. The midplate is difficult to mount on the parting surface of the inlet channel due to the influence of the shape and the trend of the inlet channel and the requirement of maximizing the utilization of the flow cross-sectional area. In this case, the problem of mold extraction cannot be solved, and the solution of casting the middle partition plate into the cylinder head cannot be implemented. Therefore, the middle clapboard part needs to be manufactured separately, and the middle clapboard is installed in a mode of positioning through two pin holes. The middle partition plate is obliquely arranged in the air inlet channel, a parting line is required to be designed for the air inlet channel to facilitate the stripping of the sand core, and the upper part and the lower part of the parting line are respectively provided with a drawing slope. The parting line is worn to the heart diaphragm to one side, and in order to minimize the influence of heart diaphragm and both sides fixed pin to intake duct air flow, simultaneously for the simple to operate of heart diaphragm, two fixed pins of heart diaphragm are designed into the shape that outline curved surface and intake duct inner chamber surface are laminated mutually, this just causes this part of heart diaphragm though simple structure, nevertheless because the first half of the fixed pin of cutting apart of heart diaphragm and the lower half of fixed pin all have the draft negative angle, guarantee that the fixed pin keeps unanimous with intake duct inner chamber profile towards the outline curved surface of intake duct one side under the prerequisite of hardly simple processing out complete heart diaphragm subassembly.
Disclosure of Invention
The utility model discloses a solve the problem that is difficult to simply process out the locating pin of median septum both sides among the prior art, provide a mould for making petrol engine intake duct median septum subassembly.
The utility model discloses a realize through following technical scheme:
the utility model provides a mould for making petrol engine intake duct median septum subassembly for at the median septum both sides preparation left side locating pin and right locating pin in order to form the median septum subassembly that contains the integral type of median septum, left locating pin and right locating pin, left locating pin is installed in the left intake duct left side pinhole of gasoline engine intake duct inner chamber, right locating pin is installed in the intake duct right side pinhole on gasoline engine intake duct inner chamber right side, the internal surface of left locating pin and the internal surface of right locating pin and the smooth transition of internal surface of intake duct inner chamber, its characterized in that:
the bottom die comprises a top die and a bottom die, wherein a top die middle groove for accommodating a left upper loose piece and a right upper loose piece is formed in the middle of the lower surface of the top die, a top die left side curved surface groove is formed in the left side of the top die middle groove, a top die right side curved surface groove is formed in the right side of the top die middle groove, a bottom die middle groove for accommodating a left lower loose piece and a right lower loose piece is formed in the middle of the upper surface of the bottom die, a bottom die left side curved surface groove is formed in the left side of the bottom die middle groove, a bottom die right side curved surface groove is formed in the right side of the bottom die middle groove, the top surface of the top die middle groove is a plane, the bottom surface of the bottom die middle groove is a plane, and the respective upper surfaces and the;
the left side curved surface groove of the top die and the left side curved surface groove of the bottom die form a left side curved surface groove, the right side curved surface groove of the top die and the right side curved surface groove of the bottom die form a right side curved surface groove, the molded surface of the left side curved surface groove is consistent with the molded surface of the inner surface of the left side pin hole of the air inlet channel, and the molded surface of the right side curved surface groove is consistent with the molded surface of the inner surface; the middle partition plate divides the inner surface of the left positioning pin into an upper inner surface half part of the left positioning pin and a lower inner surface half part of the left positioning pin, the middle partition plate divides the inner surface of the right positioning pin into an upper inner surface half part of the right positioning pin and a lower inner surface half part of the right positioning pin, the molded surface of the left curved surface of the left upper loose piece is consistent with the molded surface of the upper inner surface half part of the left positioning pin, the molded surface of the left curved surface of the left lower loose piece is consistent with the molded surface of the lower inner surface half part of the left positioning pin, the molded surface of the right curved surface of the right upper loose piece is consistent with;
the movable block is arranged in a groove in the middle of the top die at intervals on the left side and the movable block is arranged in a groove in the middle of the bottom die at intervals on the right side, the middle partition plate is arranged between the top die and the bottom die, and the middle partition plate is positioned above the movable block and the movable block on the left side and the movable block and below the movable block on the left side and the movable block on the right side.
The further technical scheme comprises the following steps:
the top die is provided with a top die positioning hole of a through hole structure arranged along the vertical direction, the bottom die is provided with a bottom die positioning hole of a through hole structure arranged along the vertical direction corresponding to the top die positioning hole, and a positioning pin is inserted into the top die positioning hole and the bottom die positioning hole so as to realize the positioning of the top die and the bottom die in the horizontal direction.
The loose piece on the left side, the loose piece on the right side, the center department of loose piece and the right side down loose piece all has the loose piece locating hole of the through-hole structure that sets up along vertical direction under the left side, have two on the top mould along vertical direction set up with the loose piece locating hole of loose piece on the left side and the top mould loose piece locating hole of the through-hole structure that the loose piece locating hole of loose piece corresponds on the right side, have two on the die block along vertical direction set up with the die block locating hole of the loose piece under the left side and the die block locating hole of the through-hole structure that the loose piece locating hole of loose piece corresponds under the right side, top mould loose piece locating hole, insert the locating pin in loose piece locating hole and the die block loose piece locating hole in order to realize the top mould, the location of loose piece and die. Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a mould for making gas engine intake duct middle partition plate subassembly, be used for making left locating pin and right locating pin in the median septum both sides, in order to form the integral type median septum subassembly that contains median septum, left locating pin and right locating pin, left locating pin is installed in left air inlet duct left side pinhole of gasoline engine intake duct inner chamber, right locating pin is installed in the right side pinhole of air inlet duct on right side of gasoline engine intake duct inner chamber, the internal surface of left locating pin and the internal surface of right locating pin and the internal surface of air inlet duct inner chamber smooth transition, turn over 90 degrees upwards after the whole mould is assembled to make the opening of top mould middle part recess and die block middle part recess upwards, pour into resin into the mould from the opening, thus, the profile of the surface of left locating pin after the shaping is unanimous with the profile of left side pinhole internal surface, the profile of the, the inner surface of the left positioning pin is used for filling the part of the curved surface which is lost due to the fact that the left pin hole is formed in the inner surface of the inner cavity of the air inlet channel, the inner surface of the right positioning pin is used for filling the part of the curved surface which is lost due to the fact that the right pin hole is formed in the inner surface of the inner cavity of the air inlet channel, the inner surfaces of the left positioning pin and the right positioning pin are in smooth transition with the inner surface of the inner cavity of the air inlet channel, and therefore influences of the middle partition plate.
After the injected resin is cured, firstly moving the loose piece on the left side and the loose piece on the right side to the center, then moving the loose piece under the left side and the loose piece under the right side to the center, so that the curved surfaces of the respective outer sides of the four loose pieces completely leave the inner surfaces of the left positioning pin and the right positioning pin of the formed middle partition plate, and finally separating the top die and the bottom die to form the middle partition plate assembly containing the middle partition plate, the left positioning pin at the left end of the middle partition plate and the right positioning pin at the right end of the middle partition plate.
Drawings
The invention will be further described with reference to the accompanying drawings:
FIG. 1 is a schematic structural diagram of a mold for manufacturing a partition plate assembly in an air inlet passage of a gasoline engine according to the present invention;
FIG. 2 is a schematic structural view of the center spacer assembly after forming of the positioning pins on both sides of the center spacer;
FIG. 3 is a schematic plan view of an intake port and port left and right pin holes of a gasoline engine;
FIG. 4 is a schematic plan view of the assembly of the center screen assembly of the left locating pin, center screen and right locating pin to the inlet duct
FIG. 5 is an axial schematic view of the assembled relationship of a center screen assembly of a left locating pin, center screen and right locating pin mounted to an air intake duct;
in the figure: 1. the structure comprises a top die, 2, a left upper loose piece, 3, a left lower loose piece, 4, a bottom die, 5, a right upper loose piece, 6, a right lower loose piece, 7, a left positioning pin, 8, a middle partition plate, 9, a right positioning pin, 10, a top die middle groove, 11, a bottom die middle groove, 12, a top die left side curved surface groove, 13, a top die right side curved surface groove, 14, a bottom die left side curved surface groove, 15, a bottom die right side curved surface groove, 16, an air inlet channel left side pin hole and 17, an air inlet channel right side pin hole.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
the utility model provides a mould for making assembly of diaphragm in gasoline engine intake duct for at the median septum subassembly of 8 both sides preparation left locating pin 7 of median septum and right locating pin 9 in order to form the integral type that contains median septum 8, left locating pin 7 and right locating pin 9, the median septum subassembly after the shaping is shown as figure 2. The assembly relationship between the middle partition plate assembly and the air inlet is shown in the figure, the left positioning pin 7 is arranged in an air inlet left pin hole 16 on the left side of an inner cavity of the air inlet of the gasoline engine, the right positioning pin 9 is arranged in an air inlet right pin hole 17 on the right side of the inner cavity of the air inlet of the gasoline engine, and the inner surfaces of the left positioning pin 7 and the right positioning pin 9 are in smooth transition with the inner surface;
as shown in figure 1, the utility model provides a mould for making partition plate assembly in gasoline engine intake duct, including top mould 1 and die block 4, there is top mould middle part recess 10 used for holding loose piece 2 on the left side and loose piece 5 on the right side in the middle of the lower surface of top mould 1, there is top mould left side curved surface recess 12 in the left side of top mould middle part recess 10, there is top mould right side curved surface recess 13 on the right side of top mould middle part recess, there is die block middle part recess 11 used for holding loose piece 3 under the left side and loose piece 6 under the right side in the middle part of the upper surface of die block 4, there is die block left side curved surface recess 14 on the left side of die block middle part recess 11, there is die block right side curved surface recess 15 on the right side of die block middle part recess 11, the top surface of top mould middle part recess 10 is the plane, the bottom surface of die block middle part recess 11 is, the upper surface and the lower surface of each of the right upper loose piece 5 and the right lower loose piece 6 are both planes;
the top die left side curved surface groove 12 and the bottom die left side curved surface groove 14 form a left side curved surface groove, the top die right side curved surface groove 13 and the bottom die right side curved surface groove 15 form a right side curved surface groove, the molded surface of the left side curved surface groove is consistent with the molded surface of the inner surface of the air inlet channel left side pin hole 16, and the molded surface of the right side curved surface groove is consistent with the molded surface of the inner surface of the air inlet channel right side pin hole 17; the middle partition plate 8 divides the inner surface of the left positioning pin 7 into an upper inner surface half part of the left positioning pin and a lower inner surface half part of the left positioning pin, the middle partition plate divides the inner surface of the right positioning pin 9 into an upper inner surface half part of the right positioning pin and a lower inner surface half part of the right positioning pin, the molded surface of the left curved surface of the left upper loose piece 2 is consistent with the molded surface of the upper inner surface half part of the left positioning pin 7, the molded surface of the left curved surface of the left lower loose piece 3 is consistent with the molded surface of the lower inner surface half part of the left positioning pin, the molded surface of the right curved surface of the right upper loose piece 5 is consistent with the molded surface;
the interval of loose piece 2 on the left side and loose piece 5 on the right side sets up in top mould middle part recess, and loose piece 3 under the left side and loose piece 6 interval under the right side set up in die block middle part recess, and median septum 8 sets up between top mould 1 and die block 4, and median septum 8 is located loose piece 3 under the left side and loose piece 6's under the right side top, loose piece 2 on the left side and the below of loose piece 5 on the right side.
The top die 1 is provided with a top die positioning hole of a through hole structure arranged along the vertical direction, the bottom die 4 is provided with a bottom die positioning hole of a through hole structure arranged along the vertical direction corresponding to the top die positioning hole, and a positioning pin is inserted into the top die positioning hole and the bottom die positioning hole so as to realize the positioning of the top die 1 and the bottom die 4 in the horizontal direction.
The loose piece 2 on the left side, loose piece 5 on the right side, the center department of loose piece 3 under the left side and loose piece 6 under the right side all has the loose piece locating hole of the through-hole structure that sets up along vertical direction, there are two top mould loose piece locating holes that set up along vertical direction and the through-hole structure that the loose piece locating hole of loose piece 2 on the left side and the loose piece locating hole of loose piece 5 on the right side correspond on the top mould 1, there are two die block loose piece locating holes that set up along vertical direction and the through-hole structure that the loose piece locating hole of loose piece 3 under the left side and the loose piece locating hole of loose piece 6 under the right side correspond on the die block 4, top mould loose piece locating hole, insert the locating pin in loose piece locating hole and the die block loose piece locating hole in order to realize top mould 1, the location of loose piece and die block 4.
The utility model provides a mould for making a partition plate component in an air inlet of a gasoline engine, which is used for making a left positioning pin 7 and a right positioning pin 9 on two sides of a partition plate 8 to form an integrated partition plate component containing the partition plate 8, the left positioning pin 7 and the right positioning pin 9, the left positioning pin 7 is arranged in a left side pin hole 16 of the air inlet in an inner cavity of the air inlet of the gasoline engine, the right positioning pin is arranged in a right side pin hole 17 of the air inlet on the right side of the inner cavity of the air inlet of the gasoline engine, the inner surface of the left positioning pin 7 is used for filling the part of the curved surface which is lacked because the inner surface of the inner cavity of the air inlet is provided with the left side pin hole 16 of the air inlet, the inner surface of the right positioning pin 9 is used for filling the part of the curved, and further, the influence of the middle partition plate 8 and the left positioning pin 7 and the right positioning pin 9 thereof on the air flow in the inner cavity of the air inlet channel is reduced as much as possible.
The process of manufacturing the positioning pins on the two sides of the middle partition plate and forming the middle partition plate assembly is as follows: the left lower loose piece 3 and the right lower loose piece 6 are arranged in a groove in the middle of the bottom die 4 at intervals, and then the middle partition plate 8 is placed above the left lower loose piece 3 and the right lower loose piece 6. And then installing the left upper loose piece 2 and the right upper loose piece 5 above the middle partition plate 8 at intervals, installing the top die 1 to enable the left upper loose piece 2 and the right upper loose piece 5 to be positioned in a groove in the middle of the top die 1, then buckling the top die 1 on the bottom die 4, and clamping the top die 1 and the bottom die 4 by using a clamp to form the whole die. Turn over 90 degrees upwards with whole mould and make the opening of top mould middle part recess and die block middle part recess upwards, pour into resin into to the mould by the opening of top mould middle part recess 10 and die block middle part recess 11, treat the resin solidification back of pouring into, will move loose piece 5 on the left side and the right side to the center earlier, then move loose piece 3 under the left side and loose piece 6 under the right side to the center, can make the curved surface in above-mentioned four loose pieces each outside leave the internal surface of the well septum left locating pin 7 after the shaping and right locating pin 9 completely like this, separate top mould 1 and die block 4 at last and can form like the well baffle subassembly shown in figure 2.
Claims (3)
1. The utility model provides a mould for making petrol engine intake duct well spacer assembly, a well spacer assembly for at well spacer (8) both sides preparation left side locating pin (7) and right locating pin (9) in order to form and to contain well spacer (8), the integral type well spacer assembly of left side locating pin (7) and right locating pin (9), install in left intake duct left side pinhole (16) of petrol engine intake duct inner chamber left side locating pin (7), install in intake duct right side pinhole (17) on petrol engine intake duct inner chamber right side locating pin (9), the internal surface of left side locating pin (7) and the internal surface smooth transition of right locating pin (9) and intake duct inner chamber, its:
the bottom die comprises a top die (1) and a bottom die (4), wherein a top die middle groove (10) for accommodating a left upper movable block (2) and a right upper movable block (5) is formed in the middle of the lower surface of the top die (1), a top die left curved groove (12) is formed in the left side of the top die middle groove (10), a top die right curved groove (13) is formed in the right side of the top die middle groove, a bottom die middle groove (11) for accommodating a left lower movable block (3) and a right lower movable block (6) is formed in the middle of the upper surface of the bottom die (4), a bottom die left curved groove (14) is formed in the left side of the bottom die middle groove (11), a bottom die right curved groove (15) is formed in the right side of the bottom die middle groove (11), the top surface of the top die middle groove (10) is a plane, and the, the upper surfaces and the lower surfaces of the left upper loose piece (2), the left lower loose piece (3), the right upper loose piece (5) and the right lower loose piece (6) are all planes;
the top die left side curved surface groove (12) and the bottom die left side curved surface groove (14) form a left side curved surface groove, the top die right side curved surface groove (13) and the bottom die right side curved surface groove (15) form a right side curved surface groove, the molded surface of the left side curved surface groove is consistent with the molded surface of the inner surface of the air inlet channel left side pin hole (16), and the molded surface of the right side curved surface groove is consistent with the molded surface of the inner surface of the air inlet channel right side pin hole (17); the inner surface of the left positioning pin (7) is divided into an upper inner surface half part of the left positioning pin and a lower inner surface half part of the left positioning pin by the middle partition plate (8), the inner surface of the right positioning pin (9) is divided into an upper inner surface half part of the right positioning pin and a lower inner surface half part of the right positioning pin by the middle partition plate, the molded surface of the left curved surface of the left upper loose piece (2) is consistent with the molded surface of the upper inner surface half part of the left positioning pin (7), the molded surface of the left curved surface of the left lower loose piece (3) is consistent with the molded surface of the lower inner surface half part of the left positioning pin, the molded surface of the right curved surface of the right upper loose piece (5) is consistent with the molded surface of the upper inner;
the left upper loose piece (2) and the right upper loose piece (5) are arranged in a groove in the middle of the top die at intervals, the left lower loose piece (3) and the right lower loose piece (6) are arranged in a groove in the middle of the bottom die at intervals, the middle partition plate (8) is arranged between the top die (1) and the bottom die (4), and the middle partition plate (8) is positioned above the left lower loose piece (3) and the right lower loose piece (6) and below the left upper loose piece (2) and the right upper loose piece (5).
2. The mold according to claim 1, wherein the top mold (1) is provided with a top mold positioning hole having a through hole structure arranged in a vertical direction, the bottom mold (4) is provided with a bottom mold positioning hole having a through hole structure arranged in a vertical direction corresponding to the top mold positioning hole, and a positioning pin is inserted into the top mold positioning hole and the bottom mold positioning hole to position the top mold (1) and the bottom mold (4) in a horizontal direction.
3. The mold for manufacturing the partition plate assembly in the air inlet passage of the gasoline engine as claimed in claim 1, wherein the centers of the upper left-side movable block (2), the upper right-side movable block (5), the lower left-side movable block (3) and the lower right-side movable block (6) are provided with movable block positioning holes of through hole structures arranged along the vertical direction, the top mold (1) is provided with two top mold movable block positioning holes of through hole structures arranged along the vertical direction and corresponding to the movable block positioning holes of the upper left-side movable block (2) and the movable block positioning holes of the upper right-side movable block (5), the bottom mold (4) is provided with two bottom mold movable block positioning holes of through hole structures arranged along the vertical direction and corresponding to the movable block positioning holes of the lower left-side movable block (3) and the movable block positioning holes of the lower right-side movable block (6), and positioning pins are inserted into the top mold movable block positioning holes, the movable block positioning holes and the bottom mold movable block positioning holes to realize the positioning of the top, The loose piece and the bottom die (4) are positioned in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920337076.1U CN209869215U (en) | 2019-03-18 | 2019-03-18 | Die for manufacturing partition plate assembly in air inlet passage of gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920337076.1U CN209869215U (en) | 2019-03-18 | 2019-03-18 | Die for manufacturing partition plate assembly in air inlet passage of gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209869215U true CN209869215U (en) | 2019-12-31 |
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ID=68955207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920337076.1U Active CN209869215U (en) | 2019-03-18 | 2019-03-18 | Die for manufacturing partition plate assembly in air inlet passage of gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209869215U (en) |
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2019
- 2019-03-18 CN CN201920337076.1U patent/CN209869215U/en active Active
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