CN218015711U - Mold closing cavity construction system of four-cylinder engine upper box die-casting mold - Google Patents
Mold closing cavity construction system of four-cylinder engine upper box die-casting mold Download PDFInfo
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- CN218015711U CN218015711U CN202222129648.1U CN202222129648U CN218015711U CN 218015711 U CN218015711 U CN 218015711U CN 202222129648 U CN202222129648 U CN 202222129648U CN 218015711 U CN218015711 U CN 218015711U
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Abstract
The utility model discloses a die assembly cavity constructing system of a die casting die of an upper box of a four-cylinder engine, which comprises an upper die base, wherein the lower surface of the upper die base is provided with a feeding runner and a slag discharging channel which are communicated with a die assembly surface; the upper surface of the lower die base is provided with an accommodating cavity, the middle part of the accommodating cavity is provided with a die cavity piece, four directions of the horizontal plane of the die cavity piece are respectively provided with a slide block gap groove, the bottom of the die cavity piece is provided with an oblique piston block gap, and the lower die base is provided with an oblique opening coaxial with the piston block gap; the four horizontal die assembly components are respectively arranged on the lower die base and are opposite to the four sliding block notch grooves; the horizontal die assembly component can seal the notch groove of the sliding block after moving towards the die cavity piece; the inclined die assembly component is obliquely arranged below the lower die base and moves towards the die cavity piece along the gap of the piston block to seal the gap of the piston block. The utility model discloses can construct the engine die cavity of box face and piston cylinder body direction out of plumb through several comparatively simple locking mechanism, and simple structure is reliable and stable, and production efficiency is also higher.
Description
Technical Field
The utility model relates to an engine casting field, concretely relates to compound die chamber of box die-casting mould found system on four jar engines.
Background
The four-cylinder engine is a conventional power device, and the structure of the four-cylinder engine is complex, and the four-cylinder engine comprises a piston cylinder body, a cooling water path and a connecting structure of parts such as a gearbox and the like. Due to the limitation of products such as motorcycles and tricycles, the directions of the case surfaces of some four-cylinder engines and the piston cylinder bodies are not perpendicular, the die-casting production cannot be met by a die-closing system of a conventional four-cylinder engine upper case die-casting die, a plurality of die-closing mechanisms are required to construct a die-closing cavity body in a complex manner, the mode is complex in structure, low in stability and limited by complex structures in production efficiency.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of the prior art, the utility model aims at providing a compound die chamber of box die-casting mould founds system on four-cylinder engine, can construct out the engine die chamber of box face and piston cylinder body direction not perpendicular through several comparatively simple locking mechanism, and simple structure is reliable and stable, and production efficiency is also higher.
The purpose of the utility model is realized through such technical scheme:
the mold closing cavity constructing system for the four-cylinder engine upper box die casting mold comprises an upper mold base, a lower mold base and a mold closing mechanism,
the lower surface of the upper die holder is provided with a horizontal die matching surface, and the lower surface of the upper die holder is provided with a feeding channel and a slag discharging channel which are communicated with the die matching surface;
the upper surface of the lower die base is provided with an accommodating cavity, the middle part of the accommodating cavity is provided with a die cavity piece, four directions of the horizontal plane of the die cavity piece are respectively provided with a slide block notch groove, the bottom of the die cavity piece is provided with an oblique piston block notch, and the lower die base is provided with an oblique opening coaxial with the piston block notch; the upper surface of the die cavity piece is horizontal, and the die cavity piece and the die joint surface of the upper die base can be sealed in a seamless mode;
the die closing mechanism comprises four horizontal die closing components and an oblique die closing component, and the four horizontal die closing components are respectively arranged on the lower die base and are opposite to the four sliding block notch grooves; the horizontal die assembly component can seal the notch groove of the sliding block after moving towards the die cavity piece; the inclined die assembly component is obliquely arranged below the lower die base, and moves towards the die cavity piece along the piston block gap to seal the piston block gap.
Further, the horizontal clamp assembly includes:
the fixed seat is fixedly arranged on the lower die holder;
the telescopic part is arranged in parallel opposite to the notch groove of the sliding block, and the telescopic end of the telescopic part points to the notch groove of the sliding block;
the lower die base is provided with a sliding groove corresponding to the notch groove of the sliding block; the sliding block is arranged in the sliding groove and is connected with the telescopic end of the telescopic part;
the module is connected with the sliding block and slides into the notch groove of the sliding block along with the extension of the telescopic part to seal the notch groove of the sliding block; the outer end of the module is provided with a structural surface matched with the outer shape structure of the upper box body of the four-cylinder engine.
Furthermore, an upward convex step surface is arranged on the upper surface of the sliding block; the upper surface of the lower die base is also provided with a raised step surface; after the four sliding blocks extend under the control of the telescopic part, the step surfaces on the four sliding blocks and the step surface of the lower die base form a ring.
Furthermore, after the telescopic parts of the four horizontal die assembly components extend, the modules are located in the accommodating cavity, and the connecting surfaces of the modules and the sliding blocks are flush with the inner wall of the accommodating cavity.
Furthermore, a feeding seat is arranged on a sliding block of the horizontal die assembly component, a feeding channel is arranged in the horizontal die assembly component, and the feeding channel is L-shaped; the feeding channel is communicated with the feeding channel.
Further, the diagonal mold clamping assembly includes:
the two connecting seats are positioned on two sides of the opening on the lower surface of the lower die seat;
the displacement part is coaxially provided with an opening, and the telescopic end of the displacement part points to the gap of the piston block;
the sliding seats are arranged in the open holes;
the connecting block is arranged in the open hole, is contacted with the sliding seat and axially slides along the open hole under the limit of the sliding seat;
the piston block is fixedly connected with the connecting block, the outer end of the piston block is provided with a piston column matched with the inner cavity of the piston cylinder body, and the piston column slides into the gap of the piston block along with the extension of the displacement part to seal the gap of the piston block.
Furthermore, a telescopic rod is arranged on the displacement part, one end of the telescopic rod is fixedly connected with the fixed end of the displacement part, the other end of the telescopic rod is fixed on the telescopic end of the displacement part, and the telescopic rod is parallel to the telescopic direction of the displacement part; the telescopic rod is sleeved with a check block and a stop block, and the check block and the stop block are arranged at intervals; the displacement part is provided with two contact blocks which are positioned on one side of the telescopic rod; the stop block is abutted against the surface of one contact block along with the extension of the telescopic end of the displacement part; the non-return block is abutted against the other contact block along with the shortening of the telescopic end of the displacement part.
Further, the connecting block passes through the connecting piece and is connected with the piston piece, the connecting block is the preparation of flexible elasticity material.
Further, the upper die base includes:
the cover plate base is buckled on the four horizontal die assembly components in a lifting manner after the four horizontal die assembly components move towards the die cavity, and a die closing surface is covered; a notch-shaped inlet pouring channel is arranged on the cover plate seat, and a notch-shaped slag discharging channel is arranged on the cover plate seat;
the first forming seat is arranged on the lower surface of the cover plate seat, and a protruding structure matched with the surface of a piston area of an upper box body of the four-cylinder engine is arranged on the lower surface of the first forming seat;
and the second molding seat is arranged on the lower surface of the cover plate seat, and a molding structure matched with the surface of the gear area of the upper box body of the four-cylinder engine is arranged on the lower surface of the second molding seat.
Furthermore, a notch-shaped branch pouring channel communicated with the branch channel is arranged on the first forming seat; and the second forming seat is provided with a notch-shaped slag containing groove communicated with the slag discharging channel.
Since the technical scheme is used, the utility model discloses following advantage has:
four horizontal compound die subassemblies that set up respectively in four directions of horizontal plane can enclose four sides of die cavity and keep off, form the die cavity border, the slant compound die subassembly that the rethread slant set up can be founded piston cylinder body chamber, it just builds the die cavity of product to combine compound die cavity spare and upper die base again, overall structure is comparatively regular, the structure is also comparatively simple, therefore this system operation is reliable and stable, production efficiency also can guarantee, place die cavity spare in the holding chamber in addition and can make this product can replace the four-cylinder engine of placing different appearances and profile, the spraying drawing of patterns liquid is also made things convenient for simultaneously.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
The drawings of the utility model are as follows:
fig. 1 is a schematic perspective view of a mold clamping cavity construction system of a box die casting mold on a four-cylinder engine according to an embodiment.
Fig. 2 is a schematic front view of a mold clamping cavity construction system of a box die casting mold on a four-cylinder engine in an embodiment.
Fig. 3 is a schematic perspective view of a horizontal clamping assembly and an oblique clamping assembly of a clamping cavity construction system of a four-cylinder engine upper-box die-casting mold in an embodiment.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3.
Fig. 5 is an enlarged schematic view of B in fig. 3.
Fig. 6 is an enlarged schematic view of C in fig. 3.
Fig. 7 is a first perspective view of a lower die holder and a die cavity member of a clamping cavity construction system of a box die casting mold on a four-cylinder engine in an embodiment.
Fig. 8 is a second perspective view of the lower die holder and the cavity piece of the clamping cavity constructing system of the upper box die casting mold of the four-cylinder engine in the embodiment.
Fig. 9 is a schematic perspective view of an upper die holder of a clamping cavity constructing system of a box die casting mold on a four-cylinder engine according to an embodiment.
In the figure: 11. a joint surface; 12. a cover plate seat; 121. feeding a runner; 122. a slag discharge passage; 13. a first forming seat; 131. dividing a pouring channel; 14. a second forming base; 141. a slag containing groove; 2. a lower die holder; 21. an accommodating cavity; 22. opening a hole; 23. a chute; 3. a cavity piece; 31. a slider notch groove; 32. a piston block notch; 41. a fixed seat; 42. a telescopic part; 43. a slider; 44. a module; 51. a connecting seat; 52. a displacement section; 53. a sliding seat; 54. connecting blocks; 55. a piston block; 6. a step surface; 7. a feeding seat; 71. a feeding channel; 8. a telescopic rod; 81. a check block; 82. stopping the block; 83. a contact block; 9. a connecting member.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The embodiment is as follows:
as shown in fig. 1 to 9, the mold clamping cavity constructing system of the four-cylinder engine upper box die casting mold comprises an upper mold base, a lower mold base 2 and a mold clamping mechanism,
the lower surface of the upper die holder is provided with a horizontal die matching surface 11, and the lower surface of the upper die holder is provided with a pouring gate 121 and a slag discharging channel 122 which are communicated with the die matching surface 11;
the upper surface of the lower die holder 2 is provided with an accommodating cavity 21, the middle part of the accommodating cavity 21 is provided with a die cavity piece, four directions of the horizontal plane of the die cavity piece are respectively provided with a slide block notch groove 31, the bottom of the die cavity piece is provided with an oblique piston block notch 32, and the lower die holder 2 is provided with an oblique opening 22 which is coaxial with the piston block notch 32; the upper surface of the die cavity part 3 is horizontal and can be in seamless sealing with a die joint surface 11 of an upper die holder;
the die closing mechanism comprises four horizontal die closing components and an oblique die closing component, and the four horizontal die closing components are respectively arranged on the lower die base 2 and are opposite to the four sliding block notch grooves 31; the horizontal mold closing assembly can close the slide block notch groove 31 after moving to the mold cavity piece; the inclined die assembly is obliquely arranged below the lower die holder 2, and moves towards the die cavity piece along the piston block gap 32 to close the piston block gap 32.
Four horizontal compound die subassemblies that set up respectively in four directions of horizontal plane can enclose four sides of die cavity and keep off, form the die cavity border, the slant compound die subassembly that the rethread slant set up can make the piston cylinder body chamber, combine compound die cavity spare and upper die base just to accomplish the die cavity of product constitution again, overall structure is comparatively regular, the structure is also comparatively simple, therefore this system operation is reliable and stable, production efficiency also can guarantee, place die cavity spare in the holding chamber 21 in addition and can make this product can replace the four-cylinder engine of placing different appearances and contours, also make things convenient for spraying drawing of patterns liquid simultaneously.
In this embodiment, the horizontal clamping unit includes:
the fixed seat 41 is fixedly arranged on the lower die holder 2;
a telescopic part 42, which is arranged in parallel opposite to the sliding block notch groove 31, and the telescopic end of the telescopic part points to the sliding block notch groove 31;
the lower die base 2 is provided with a sliding groove 23 corresponding to the sliding block notch groove 31; the sliding block 43 is arranged in the sliding groove 23 and is connected with the telescopic end of the telescopic part 42;
a module 44 connected to the slider 43 and sliding into the slider notch groove 31 with the extension of the telescopic part 42 to close the slider notch groove 31; the outer end of the module 44 is provided with a structural surface matched with the outer shape structure of the upper box body of the four-cylinder engine.
The telescopic part 42 can adopt the structural form of an air cylinder, an electric cylinder or a hydraulic cylinder, and the module 44 can be telescopic to realize a demoulding and mould closing cavity, so that the whole structure is simple.
In this embodiment, the upper surface of the slider 43 is provided with a convex step surface 6; the upper surface of the lower die holder 2 is also provided with a convex step surface 6; after the four sliding blocks 43 extend under the control of the telescopic part 42, the step surfaces 6 on the four sliding blocks and the step surface 6 of the lower die holder 2 form a ring.
The annular step surface 6 may be used to hold the die pieces together using another mechanism to prevent the die 44 from backing out due to excessive pressure during die casting.
In this example, after the telescopic parts 42 of the four horizontal mold clamping assemblies are extended, the modules 44 are all located in the accommodating cavity 21, and the connection surfaces of the modules 44 and the sliding blocks 43 are flush with the inner wall of the accommodating cavity 21.
When die casting, the module 44 is located in the accommodating cavity 21, and at this time, if an accident occurs during die casting, the module 44 is damaged and separated from the sliding block 43, so that the sliding block 43, the sliding groove 23 and other components cannot be damaged.
In this embodiment, a feeding seat 7 is arranged on a slide block 43 of the horizontal mold closing assembly, a feeding channel 71 is arranged inside the horizontal mold closing assembly, and the feeding channel 71 is L-shaped; the feed channel 71 is in communication with the gate 121.
The feeding channel 71 is L-shaped, so that aluminum liquid can be conveniently injected into the die cavity from the direction of the upper die base.
In this embodiment, the diagonal mold clamping unit includes:
two connecting seats 51 positioned at two sides of the opening 22 on the lower surface of the lower die holder 2;
a displacement portion 52, a coaxial opening 22, the telescoping end of which points towards the piston block notch 32;
a plurality of sliding seats 53 arranged in the open holes 22;
the connecting block 54 is arranged in the open hole 22, is contacted with the sliding seat 53 and axially slides along the open hole 22 under the limit of the sliding seat 53;
the piston block 55 is fixedly connected with the connecting block 54, the outer end of the piston block is provided with a piston column matched with the inner cavity of the piston cylinder body, and the piston column slides into the piston block gap 32 along with the extension of the displacement part 52 to seal the piston block gap 32.
The piston block 55 is guided along the slide seat 53 into the mold cavity, in which the area of the piston cylinder is built up. The piston block 55 moves parallel to the axis of the piston cylinder so that only one mold clamping assembly is required to achieve the piston area.
In this embodiment, the displacement portion 52 is provided with an expansion link 8, one end of the expansion link 8 is fixedly connected with the displacement portion 52, the other end of the expansion link 8 is telescopically fixed on the displacement portion 52, and the expansion link 8 is parallel to the telescopic direction of the displacement portion 52; a check block 81 and a stop block 82 are sleeved outside the telescopic rod 8, and the check block 81 and the stop block 82 are arranged at intervals; the displacement part 52 is provided with two contact blocks 83 which are positioned at one side of the telescopic rod 8; the stop block 82 is abutted against the surface of one contact block 83 along with the extension of the telescopic end of the displacement part 52; the check block 81 abuts against the other contact block 83 as the telescopic end of the displacement portion 52 is shortened.
The telescopic rod 8 stretches along with the movement of the displacement part 52, and the displacement of the displacement part 52 can be known through the matching of the check block 81, the check block 82 and the two contact blocks 83, so that the accuracy of the mold cavity construction is controlled. The contact block 83 may be a pressure sensor or a gas pressure sensor, that is, when the check block 81 or the check block 82 presses the contact block 83, the contact block 83 is deformed to cause a change in gas pressure.
The telescoping rod 8 can also be applied to the telescoping section 42 to control the position of the module 44.
In this embodiment, the connecting block 54 is connected to the piston block 55 through the connecting member 9, and the connecting block 54 is made of a deformable elastic material.
The variable elastic material can be rubber, so that when the displacement part 52 controls the connecting block 54 to reciprocate, larger impact force cannot be caused to the connecting block 54, the tightness of connection between the variable elastic material and the connecting block 54 is ensured, and the frame amount is reduced. This structure can be applied to the slider 43 and the expansion portion 42 as well.
In this embodiment, the upper die base includes:
after the four horizontal die assembly components move towards the die cavity, the four horizontal die assembly components are buckled on the cover plate base 12 in a lifting manner, and a die surface 11 is sealed; a notch-shaped pouring gate 121 is arranged on the cover plate seat 12, and a notch-shaped slag discharging channel 122 is arranged on the cover plate seat 12;
the first forming seat 13 is arranged on the lower surface of the cover plate seat 12, and a convex structure matched with the surface of a piston area of an upper box body of the four-cylinder engine is arranged on the lower surface of the first forming seat;
and the second molding base 14 is arranged on the lower surface of the cover plate base 12, and the lower surface of the second molding base is provided with a molding structure matched with the surface of the gear area of the upper box body of the four-cylinder engine.
For the area of the four-cylinder engine with a more complex box body, the independent first forming seat 13 and the independent second forming seat 14 can be adopted to better ensure the forming accuracy. The cover plate holder 12 fixes the first molding holder 13 and the second molding holder 14 while closing the upper end of the cavity.
In this embodiment, the first forming seat 13 is provided with a notch-shaped branch runner 131 communicated with the branch runner; the second forming base 14 is provided with a notch-shaped slag containing groove 141 communicated with the slag discharging passage 122.
For better pouring and exhausting slag, a branch pouring gate 131 and a slag containing groove 141 are arranged.
The present embodiment of the mold clamping cavity construction system for the four-cylinder engine upper-case die-casting mold is used by installing the apparatus according to the present embodiment, injecting a mold-releasing liquid into the cavity so as to adhere to the surface of the cavity piece 3 and the mold block 44 and the piston block 55, then controlling the horizontal mold clamping unit to extend toward the center, closing the periphery of the cavity piece, controlling the diagonal mold clamping unit to extend, and closing the lower portion of the cavity piece by the piston block 55, in which case the cavity is in the shape of a box with an upward opening; and then the upper die base is controlled to move downwards to be attached to the upper surface of the lower die base 2, and the die cavity is sealed by the upper die base at the moment to form a closed cavity.
Injecting high-pressure aluminum liquid into the feeding channel 71 through the feeding seat 7, wherein the aluminum liquid flows into the mold cavity and flows in the mold cavity, and gas in the mold cavity and slag generated during flowing are pushed to the slag discharging channel 122; and finally, filling the mold cavity with molten aluminum, after cooling, controlling the telescopic parts 42 of the four horizontal mold closing assemblies to shorten, controlling the displacement parts 52 of the inclined mold closing assemblies to shorten, and controlling the ejector pin mechanism to eject the product out of the mold cavity.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the scope of the claims of the present invention.
Claims (10)
1. A die assembly cavity construction system of a four-cylinder engine upper box body die-casting die comprises an upper die holder, a lower die holder and a die assembly mechanism, and is characterized in that,
the lower surface of the upper die holder is provided with a horizontal die matching surface, and the lower surface of the upper die holder is provided with a feeding channel and a slag discharging channel which are communicated with the die matching surface;
the upper surface of the lower die base is provided with an accommodating cavity, the middle part of the accommodating cavity is provided with a die cavity piece, four directions of the horizontal plane of the die cavity piece are respectively provided with a slide block notch groove, the bottom of the die cavity piece is provided with an oblique piston block notch, and the lower die base is provided with an oblique opening coaxial with the piston block notch; the upper surface of the die cavity piece is horizontal, and the die cavity piece and the die joint surface of the upper die base can be sealed in a seamless mode;
the die closing mechanism comprises four horizontal die closing components and an oblique die closing component, and the four horizontal die closing components are respectively arranged on the lower die base and are opposite to the four sliding block notch grooves; the horizontal die assembly component can seal the notch groove of the sliding block after moving towards the die cavity piece; the inclined die assembly component is obliquely arranged below the lower die base, and moves towards the die cavity piece along the piston block gap to seal the piston block gap.
2. The clamp cavity constructing system of a tank die casting mold on a four-cylinder engine according to claim 1, wherein the horizontal clamp assembly includes:
the fixed seat is fixedly arranged on the lower die holder;
the telescopic part is arranged in parallel opposite to the notch groove of the sliding block, and the telescopic end of the telescopic part points to the notch groove of the sliding block;
the lower die base is provided with a sliding groove corresponding to the notch groove of the sliding block; the sliding block is arranged in the sliding groove and is connected with the telescopic end of the telescopic part;
the module is connected with the sliding block and slides into the notch groove of the sliding block along with the extension of the telescopic part to seal the notch groove of the sliding block; the outer end of the module is provided with a structural surface matched with the outer shape structure of the upper box body of the four-cylinder engine.
3. The mold clamping cavity constructing system for the upper-case die-casting mold for the four-cylinder engine according to claim 2, wherein an upper surface of the slide is provided with a convex stepped surface; the upper surface of the lower die base is also provided with a raised step surface; after the four sliding blocks extend under the control of the telescopic part, the step surfaces on the four sliding blocks and the step surface of the lower die base form a ring.
4. The system for constructing mold clamping cavities of a four-cylinder engine upper box body die-casting mold according to claim 2, wherein after the telescopic parts of the four horizontal mold clamping assemblies are extended, the modules are all positioned in the accommodating cavities, and the connecting surfaces of the modules and the sliding blocks are flush with the inner walls of the accommodating cavities.
5. The system for constructing the die-closing cavity of the box body die-casting mold on the four-cylinder engine according to claim 2, wherein a material inlet seat is arranged on a slide block of the horizontal die-closing assembly, a material inlet channel is arranged inside the slide block, and the material inlet channel is L-shaped; the feeding channel is communicated with the feeding channel.
6. The clamp chamber construction system of a box-over-four engine die-casting mold according to claim 1, wherein the diagonal clamp assembly includes:
the two connecting seats are positioned on two sides of the opening on the lower surface of the lower die seat;
the displacement part is coaxially provided with an opening, and the telescopic end of the displacement part points to the gap of the piston block;
the sliding seats are arranged in the open holes;
the connecting block is arranged in the open hole, is contacted with the sliding seat and axially slides along the open hole under the limit of the sliding seat;
the piston block is fixedly connected with the connecting block, the outer end of the piston block is provided with a piston column matched with the inner cavity of the piston cylinder body, and the piston column slides into the gap of the piston block along with the extension of the displacement part to seal the gap of the piston block.
7. The system for constructing a mold clamping cavity of a four-cylinder engine upper box body die-casting mold according to claim 6, wherein a telescopic rod is arranged on the displacement portion, one end of the telescopic rod is fixedly connected with the fixed end of the displacement portion, the other end of the telescopic rod is fixed on the telescopic end of the displacement portion, and the telescopic rod is parallel to the telescopic direction of the displacement portion; the telescopic rod is sleeved with a check block and a stop block, and the check block and the stop block are arranged at intervals; the displacement part is provided with two contact blocks which are positioned on one side of the telescopic rod; the stop block is abutted against the surface of one contact block along with the extension of the telescopic end of the displacement part; the non-return block is abutted against the other contact block along with the shortening of the telescopic end of the displacement part.
8. The system for constructing a clamping cavity of a tank die-casting mold on a four-cylinder engine according to claim 6, wherein the connecting block is connected to the piston block by a connecting member, and the connecting block is made of a deformable elastic material.
9. The clamp cavity constructing system of a four-cylinder engine upper-case die-casting mold according to claim 1, wherein the upper die base includes:
the cover plate base is buckled on the four horizontal die assembly components in a lifting manner after the four horizontal die assembly components move towards the die cavity, and a die closing surface is covered; a notch-shaped inlet pouring channel is arranged on the cover plate seat, and a notch-shaped slag discharging channel is arranged on the cover plate seat;
the first forming seat is arranged on the lower surface of the cover plate seat, and a protruding structure matched with the surface of a piston area of an upper box body of the four-cylinder engine is arranged on the lower surface of the first forming seat;
and the second molding seat is arranged on the lower surface of the cover plate seat, and a molding structure matched with the surface of the gear area of the upper box body of the four-cylinder engine is arranged on the lower surface of the second molding seat.
10. The mold closing cavity constructing system for the upper tank body pressure casting mold of the four-cylinder engine according to claim 9, wherein a notch-shaped branch runner communicating with the branch runner is provided on the first molding base; and the second forming seat is provided with a notch-shaped slag containing groove communicated with the slag discharging channel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222129648.1U CN218015711U (en) | 2022-08-14 | 2022-08-14 | Mold closing cavity construction system of four-cylinder engine upper box die-casting mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222129648.1U CN218015711U (en) | 2022-08-14 | 2022-08-14 | Mold closing cavity construction system of four-cylinder engine upper box die-casting mold |
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| CN218015711U true CN218015711U (en) | 2022-12-13 |
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| CN202222129648.1U Active CN218015711U (en) | 2022-08-14 | 2022-08-14 | Mold closing cavity construction system of four-cylinder engine upper box die-casting mold |
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