Die-casting die for producing cylinder cover with pipe head

Abstract

The utility model relates to a die-casting die for producing a cylinder cover with a pipe head, which comprises an upper die holder, a lower die holder, an upper die core and a lower die core, the upper die holder and the lower die holder are stacked up and down, the upper die core and the lower die core are arranged between the upper die holder and the lower die holder, and the upper die core and the lower die core are stacked up and down. A die foot structure is installed on the lower end face of the lower die base, two die cavity structures are installed between the upper die core and the lower die core side by side, the lower portion of each die cavity structure is in an inclined state that the right rear portion inclines downwards, and a pipe body structure with the rear end inclining downwards is arranged at the rear end of each die cavity structure. An inclined top plate structure parallel to the lower part of the mold cavity structure is mounted in the mold foot structure, an inclined top oil cylinder is mounted in the lower part of the inclined top plate structure in a hanging manner, the inclined top plate structure comprises an inclined top bottom plate, an ejector pin panel and a guide column, and the ejector pin panel is mounted on the upper end surface of the inclined top bottom plate. The utility model has the characteristics that the manufacturing cost is reduced, the maintenance cost is reduced and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to die casting technical field especially a kind of die casting mould for producing cylinder cover with pipe head. BACKGROUND

[0002] As Figure 12 Indicated, the cover plate of the product adopts panel structure, and the butt joint cylinder body of the product adopts cap body structure, and the butt joint end face of the cap body structure adopts inclined butt joint face, and one side of the cap body structure is provided with pipe head structure, in order to produce the product, it needs to install multiple core-pulling structures on the die casting mould, which will greatly increase the manufacturing cost of the mould, and the mould can only produce one piece at a time, the whole production benefit is poor, and the production cost is more, in order to solve the above problems, the mould needs to be further improved. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a kind of die casting mould for producing cylinder cover with pipe head, with the characteristics of saving mould manufacturing cost, improving product production efficiency, reducing cost as a whole.

[0004] The technical scheme that the utility model solves its technical problem adopts: provide a kind of die casting mould for producing cylinder cover with pipe head, including upper die holder, lower die holder, upper die core and lower die core, the upper die holder and lower die holder are arranged in an upper-lower stacking manner, and upper die core and lower die core are installed between the two, the upper die core and lower die core are arranged in an upper-lower stacking manner, the lower end surface of the lower die holder is installed with die foot structure, two die cavity structures are installed side by side between the upper die core and lower die core, the lower part of the die cavity structure adopts the inclined state that right rear portion is inclined downward, the rear end of the die cavity structure is provided with pipe body structure that rear end is inclined downward, the die foot structure is installed with inclined ejector plate structure parallel to the lower part of die cavity structure, the lower part of the inclined ejector plate structure is hung and installed with inclined oil cylinder, the inclined ejector plate structure includes inclined ejector plate, ejector pin panel and guide column, the ejector pin panel is installed on the upper end surface of the inclined ejector plate, a plurality of ejector pin structures are installed on the ejector pin panel, the ejector pin structure is vertically installed on the ejector pin panel, four guide columns are installed on the four corners of the inclined oil cylinder, vertically penetrating the inclined ejector plate structure, the die foot structure is installed with bottom plate on the lower end, and the inclined oil cylinder and the bottom plate are in top on the upper end surface.

[0005] In the technical scheme, by setting two die cavity structures, the mould can produce two pieces at a time, thereby improving the production efficiency of the mould, and by setting the lower part of the die cavity structure in an inclined state, the internal space of the mould is saved, the number of core-pulling structures is saved, and the cost of the mould is further reduced, by installing the inclined ejector plate structure, the product is conveniently ejected from the die cavity structure, by installing the guide column, the inclined ejector plate and the ejector pin panel are smoothly guided, and by installing the ejector pin structure, the product is conveniently ejected.

[0006] As a supplement to the technical scheme, the guide sleeve structure is sleeved in the guide column, and the guide sleeve structure is used to facilitate smooth operation of the guide column.

[0007] As a supplement to the technical scheme, the rear side of the inclined top plate structure is provided with a reverse T-shaped mounting groove, the main shaft of the inclined top oil cylinder is matched with a T-shaped shaft of the reverse T-shaped mounting groove, and the T-shaped mounting groove is used to facilitate installation of the main shaft of the inclined top oil cylinder.

[0008] As a supplement to the technical scheme, the left front part of the die foot structure is provided with a notch structure, the left side of the inclined top plate structure is provided with a contact shaft extending from the notch structure, the left side of the lower die seat is provided with a contact switch mounting panel near the notch structure, two contact switches are mounted side by side on the contact switch mounting panel, and the contact end of the contact switch is matched with the contact shaft.

[0009] In the technical scheme, the notch structure is used to facilitate installation of the contact shaft, and the contact switch mounting panel and the two contact switches are used to facilitate control of the running state of the inclined top plate structure.

[0010] As a supplement to the technical scheme, the middle part of the lower die core is provided with a middle slag ladle structure matched with the two die cavity structures, the tail part of the middle slag ladle structure is provided with a tail shallow groove, each die cavity structure is provided with three middle slag ladle structures, the tails of the three tail shallow grooves of the same die cavity structure are concentrated together and form a middle exhaust shallow groove, the upper die seat is provided with two exhaust holes corresponding to the middle exhaust shallow groove, and the upper die seat is provided with an exhaust guide groove matched with the exhaust hole.

[0011] In the technical scheme, the middle slag ladle structure is used to facilitate exhaust of air in the two die cavity structures, ensure rapid exhaust of the die cavity structure, increase the quality of products, the exhaust hole is used to exhaust internal air, and the exhaust guide groove is used to guide hot air to the side of the mold.

[0012] As a supplement to the technical scheme, the upper end face of the lower die seat is symmetrically provided with two guide column mounting grooves, the bottom surface of the guide column mounting groove adopts a right rear inclined surface structure, the guide column mounting groove is provided with a guide column, and the lower end of the guide column is vertically mounted on the inclined top plate structure.

[0013] In the technical scheme, the guide column mounting groove is used to limit installation and fixation of the upper die seat and the lower die seat, and the guide column is used to ensure stable operation of the inclined top plate structure.

[0014] As a supplement to the technical scheme, the rear side of the lower die seat is provided with a rear inclined oil cylinder with an upwardly inclined front end, the rear inclined oil cylinder comprises a rear support, a rear oil cylinder and a rear slider block, the rear side of the lower die seat is provided with a slider block mounting notch with a downwardly inclined rear end, two embedded slide rail structures are installed side by side on the bottom slope of the slider block mounting notch, the rear slider block is slidably installed on the two embedded slide rail structures, two core-pulling blocks corresponding to the mold cavity structure are installed side by side on the front side of the rear slider block, the rear side of the lower die seat is provided with a rear support, and the rear oil cylinder is installed on the rear support and abuts against the rear slider block.

[0015] In the technical scheme, the embedded slide rail structure is provided to ensure stable operation of the rear slider block, the rear oil cylinder is installed to drive the rear slider block to operate stably, and the core-pulling block is installed to ensure the molding of the pipe head.

[0016] As a supplement to the technical scheme, the core-pulling block is in a cylindrical structure, the front end of the core-pulling block is upwardly inclined, the two sides of the core-pulling block are provided with inner grooves, the lower end surface of the upper mold core is provided with a limiting table covering the core-pulling block, and guide protrusions are arranged at both ends of the limiting table and are capable of being clamped into the inner grooves. In the technical scheme, the inner grooves are provided to facilitate assembly of the limiting table, and the guide protrusions are provided to facilitate mold locking of the core-pulling block.

[0017] As a supplement to the technical scheme, the upper cooling pipe mounting frame is installed on the left and right sides of the upper die seat, and the lower cooling pipe mounting frame is installed on the left and right sides of the lower die seat.

[0018] As a supplement to the technical scheme, the hydraulic control panel connected with the inclined ejector cylinder is installed on the right side of the foot structure.

[0019] As a supplement to the technical scheme, the butt joint groove is arranged at the four corners of the upper end surface of the lower die seat, the butt joint protrusion is arranged at the four corners of the lower end surface of the upper die seat and is capable of being clamped into the butt joint groove, the lower mold locking block is embedded and installed at the side wall of the butt joint groove, the upper mold locking block is embedded and installed at the side surface of the butt joint protrusion, the upper mold locking block and the lower mold locking block are arranged in a staggered manner, and when the upper die seat and the lower die seat are folded, the upper mold locking block and the lower mold locking block in the same group are attached.

[0020] As a supplement to the technical scheme, the gate sleeve structure is installed at the middle of the front end of the upper die seat, and the flow dividing cone structure is installed at the middle of the front side of the lower mold core. The gate sleeve structure is sleeved on the flow dividing cone structure.

[0021] Beneficial effects: the utility model relates to a kind of die casting mould for producing cylinder cover with pipe head, by the original integral upper mould core is split into front upper mould core, rear upper mould core and side upper mould core, greatly reduce the machining volume of mould core, it is convenient to separate processing, reduce processing cost, the maintenance of mould core structure is also facilitated simultaneously, when local damage, only need to replace or repair damaged mould core, greatly reduce repair cost, it is also convenient for worker to remove mould core, by setting locking structure, to facilitate the assembly of front upper mould core and rear upper mould core, simultaneously, locking structure is sheet, its both ends are all used the structure similar to triangle of two sides length gradually increasing, triangle structure is inserted into front upper mould core and rear upper mould core, can effectively improve the connection firmness degree of front upper mould core and rear upper mould core, simultaneously, when mould operation, the degree of combination of both is promoted, avoid the deviation of front upper mould core and rear upper mould core, ensure the precision of operation, with reducing manufacturing cost, reducing repair cost and other characteristics. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the top view of the utility model;

[0023] Figure 2 It is the front view of the utility model;

[0024] Figure 3 It is the utility model Figure 1 A-A direction section view in the utility model;

[0025] Figure 4 It is the top view of lower mould core and lower mould seat of the utility model;

[0026] Figure 5 It is the structure view of lower mould core and lower mould seat of the utility model;

[0027] Figure 6 It is the utility model Figure 4 A place local enlarged view in the utility model;

[0028] Figure 7 It is the top view of upper mould core of the utility model;

[0029] Figure 8 It is the bottom view of upper mould core of the utility model;

[0030] Figure 9 It is the structure view of inverted T-shaped installation groove;

[0031] Figure 10 It is the left view of the utility model;

[0032] Figure 11 It is the structure view of inclined top plate structure of the utility model;

[0033] Figure 12 is a structural view of the product of the utility model.

[0034] Fig. 1, upper die holder, 2, lower die holder, 3, upper die core, 4, lower die core, 5, gate sleeve structure, 6, flow splitting cone structure, 7, die foot structure, 8, rear inclined oil cylinder, 9, upper cooling pipe mounting rack, 10, lower cooling pipe mounting rack, 11, inclined ejector plate structure, 12, inclined ejector cylinder, 13, hydraulic control panel, 14, bottom plate, 15, rear slider holder, 16, embedded slide rail structure, 17, rear oil cylinder, 18, rear bracket, 19, inner groove, 20, die cavity structure, 21, guide column mounting groove, 22, tail shallow groove, 23, middle slag ladle structure, 24, middle exhaust shallow groove, 25, butt joint groove, 26, lower locking module, 27, lower die core inner groove, 28, guide column, 29, exhaust hole, 30, exhaust guide groove, 31, notch structure, 32, contact switch mounting panel, 33, contact switch, 34, contact shaft, 35, ejector pin structure, 36, inclined ejector plate, 37, ejector pin panel, 38, guide column, 39, limit platform, 40, upper locking module, 41, butt joint boss, 42, inverted T-shaped mounting groove, 43, guide sleeve structure, 44, core pulling block. DETAILED DESCRIPTION

[0035] The utility model is further explained below in combination with specific embodiments. It should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the claims attached to the present application.

[0036] The embodiment of the utility model relates to a kind of die casting mould for producing cylinder cover with pipe head, such as Figure 1 As shown in Figure 5, it includes upper die holder 1, lower die holder 2, upper die core 3 and lower die core 4, the upper die holder 1 and lower die holder 2 are arranged in a top-down manner, and upper die core 3 and lower die core 4 are installed between the two, the upper die core 3 and lower die core 4 are arranged in a top-down manner, the lower end surface of the lower die holder 2 is installed with die foot structure 7, two die cavity structures 20 are installed side by side between the upper die core 3 and lower die core 4, the lower part of the die cavity structure 20 adopts the inclined state of right rear downward inclination, the rear end of the die cavity structure 20 is provided with pipe body structure inclined downward, the die foot structure 7 is installed with inclined ejector plate structure 11 parallel to the lower part of die cavity structure 20, as shown in Figure 3, Figure 11As shown, the inclined top plate structure 11 is suspended and installed in the lower part of the inclined top oil cylinder 12, the inclined top plate structure 11 includes an inclined top plate 36, a top pin panel 37 and a guide column 38, the top pin panel 37 is installed on the upper end face of the inclined top plate 36, a plurality of top pin structures 35 are installed on the top pin panel 37, the top pin structure 35 is vertically installed on the top pin panel 37, the inclined top oil cylinder 12 is installed with four guide columns 38 vertically penetrating the inclined top plate structure 11, the bottom plate 14 is installed on the lower end of the die foot structure 7, and the upper end face of the inclined top oil cylinder 12 and the bottom plate 14 is in the middle.

[0037] In the technical solution, two mold cavity structures 20 are arranged to enable one mold to produce two products, thereby improving the production efficiency of the mold, and the lower part of the mold cavity structure 20 is arranged in an inclined state to save internal space of the mold, save the number of core-pulling structures, and further reduce the cost of the mold. The inclined top plate structure 11 is installed to facilitate the product to be ejected from the mold cavity structure 20, the guide column 38 is installed to guide the smooth operation of the inclined top plate 36 and the top pin panel 37, and the top pin structure 35 is installed to facilitate the product to be ejected.

[0038] As shown in Figure 10 As a supplement to the technical solution, the guide sleeve structure 43 is installed between the inclined top plate 36 and the top pin panel 37, the guide sleeve structure 43 is sleeved in the guide column 38, and the guide sleeve structure 43 is installed to facilitate the smooth operation of the guide column 38.

[0039] As a supplement to the technical solution, the inclined top plate structure 11 is provided with a reverse T-shaped mounting slot 42 at the rear side, the main shaft of the inclined top oil cylinder 12 and the T-shaped shaft of the reverse T-shaped mounting slot 42 are matched, and the T-shaped mounting slot 42 is arranged to facilitate the installation of the main shaft of the inclined top oil cylinder 12.

[0040] As shown in Figure 9 As a supplement to the technical solution, the left front part of the die foot structure 7 is provided with a notch structure 31, the left side of the inclined top plate structure 11 is provided with a contact shaft 34 extending from the notch structure 31, the left side of the lower die seat 2 is provided with a contact switch mounting panel 32 near the notch structure 31, two contact switches 33 are installed side by side on the contact switch mounting panel 32, and the contact end of the contact switch 33 is matched with the contact shaft 34.

[0041] In the technical solution, the notch structure 31 is arranged to facilitate the installation of the contact shaft 34, and the contact switch mounting panel 32 and the two contact switches 33 are installed to facilitate the control of the running state of the inclined top plate structure 11.

[0042] As shown in Figure 6 and Figure 7As a supplement to the technical scheme, the middle part of the lower mold core 4 is provided with a middle ladle structure 23 which is connected with the two mold cavity structures 20, and the tail part of the middle ladle structure 23 is provided with a tail part shallow groove 22. Each mold cavity structure 20 is provided with three middle ladle structures 23, and the tails of the three tail part shallow grooves 22 of the same mold cavity structure 20 are concentrated together to form a middle exhaust shallow groove 24. The upper mold base 1 is provided with two exhaust holes 29 which correspond to the middle exhaust shallow groove 24, and the upper mold base 1 is provided with an exhaust guide groove 30 which is connected with the exhaust hole 29.

[0043] In the technical scheme, the middle ladle structure 23 is arranged to facilitate the exhaust of air in the two mold cavity structures 20, to ensure the rapid exhaust of the mold cavity structure 20, to increase the quality of the product, the exhaust hole 29 is arranged to exhaust the internal air, and the exhaust guide groove 30 is arranged to guide the hot air to the side of the mold.

[0044] As a supplement to the technical scheme, the upper end surface of the lower mold base 2 is symmetrically provided with two guide column mounting grooves 21, the bottom surface of the guide column mounting groove 21 adopts a right rear downward inclined surface structure, the guide column mounting groove 21 is mounted with a guide column 28, and the lower end of the guide column 28 is vertically mounted on the inclined top plate structure 11.

[0045] In the technical scheme, the guide column mounting groove 21 is arranged to limit the mounting and fixing of the upper mold base 1 and the lower mold base 2, and the guide column 28 is arranged to ensure the stable operation of the inclined top plate structure 11.

[0046] As a supplement to the technical scheme, the rear side of the lower mold base 2 is mounted with a rear inclined oil cylinder 8 which is inclined upward at the front end, the rear inclined oil cylinder 8 includes a rear support 18, a rear oil cylinder 17 and a rear slide block seat 15, the rear part of the lower mold base 2 is provided with a slide block mounting notch which is inclined downward at the rear end, two embedded slide rail structures 16 are mounted side by side on the bottom inclined surface of the slide block mounting notch, the rear slide block seat 15 is slidingly mounted on the two embedded slide rail structures 16, two core pulling blocks 44 corresponding to the mold cavity structure 20 are mounted side by side on the front side of the rear slide block seat 15, the rear side of the lower mold base 2 is mounted with the rear support 18, and the rear support 18 is mounted with the rear oil cylinder 17 which is connected with the main shaft and the rear slide block seat 15.

[0047] In the technical scheme, the embedded slide rail structure 16 is arranged to ensure the stable operation of the rear slide block seat 15, the rear oil cylinder 17 is arranged to drive the stable operation of the rear slide block seat 15, and the core pulling block 44 is arranged to ensure the molding of the pipe head.

[0048] As Figure 8As a supplement to the technical scheme, the core block 44 is in a cylindrical structure, the front end of the core block 44 is inclined upward, the two sides of the core block 44 are provided with inner grooves 19, the lower end surface of the upper mold core 3 is provided with a limiting table 39 covering the core block 44, and the limiting table 39 is provided with guide protrusions clamped into the inner grooves 19. In the technical scheme, the inner grooves 19 are arranged to facilitate the assembly of the limiting table 39, and the guide protrusions are arranged to facilitate the mold locking of the core block 44.

[0049] As a supplement to the technical scheme, the upper mold base 1 is provided with upper cooling pipe mounting racks 9 on the left and right sides, and the lower mold base 2 is provided with lower cooling pipe mounting racks 10 on the left and right sides.

[0050] As a supplement to the technical scheme, the right side of the mold foot structure 7 is provided with a hydraulic control panel 13 connected with the inclined ejector cylinder 12.

[0051] As a supplement to the technical scheme, the lower end surface of the lower mold base 2 is provided with butt joint grooves 25 at four corners, the lower end surface of the upper mold base 1 is provided with butt joint protrusions 41 clamped into the butt joint grooves 25, the side wall of the butt joint groove 25 is embeddedly provided with a lower mold locking block 26, the side surface of the butt joint protrusion 41 is embeddedly provided with an upper mold locking block 40, the upper mold locking block 40 and the lower mold locking block 26 are arranged in a staggered manner, and the upper mold locking block 40 and the lower mold locking block 26 of the same group are attached when the upper mold base 1 and the lower mold base 2 are folded.

[0052] As a supplement to the technical scheme, the front end of the upper mold base 1 is provided with a sprue bush structure 5 in the middle, and the front side of the lower mold core 4 is provided with a flow dividing cone structure 6. The flow dividing cone structure 6 is sleeved with the sprue bush structure 5.

[0053] As a supplement to the technical scheme, the front end of the lower mold core 4 is symmetrically provided with two lower mold core inner grooves 27.

[0054] Embodiment

[0055] When the mold is produced, first, the upper mold base 1 and the lower mold base 2 are clamped, and then the upper mold core 3 and the lower mold core 4 are folded. After that, the clamping machine pours the molten aluminum liquid into the sprue bush structure 5, the aluminum liquid enters the two mold cavity structures 20 along the flow dividing cone structure 6 and the flow channel structure, and when the mold cavity structure 20 is filled, the air in the mold cavity structure 20 is output from the middle slag ladle structure 23, the hot gas is discharged along the exhaust hole 29, and then the hot gas is cooled, the cooled water droplets are discharged along the exhaust guide groove 30, and the water droplets are prevented from accumulating at the exhaust hole 29.

[0056] After the product is taken out, the mold is closed again for production. After the product is taken out, the mold is closed again for production.

[0057] Finally, the inclined ejector cylinder 12 is started, and the ejector rod of the inclined ejector cylinder 12 is extended to push the inclined ejector bottom plate 36 and the ejector needle panel 37, and the ejector needle panel 37 is pushed to drive the ejector needle structure 35, and the product in the cavity structure 20 is pushed out, and the mold is closed again for production.

Claims

1. A die-casting mold for producing cylinder heads with pipe heads, comprising an upper mold base (1), a lower mold base (2), an upper mold core (3), and a lower mold core (4), wherein the upper mold base (1) and the lower mold base (2) are stacked vertically, and the upper mold core (3) and the lower mold core (4) are installed between them, wherein the upper mold core (3) and the lower mold core (4) are stacked vertically, and a mold foot structure (7) is installed on the lower end face of the lower mold base (2), characterized in that: Two mold cavity structures (20) are installed side by side between the upper mold core (3) and the lower mold core (4). The lower part of the mold cavity structure (20) is inclined with the right rear part tilted downward. The rear end of the mold cavity structure (20) is provided with a tube structure with the rear end tilted downward. The mold foot structure (7) is equipped with an inclined top plate structure (11) parallel to the lower part of the mold cavity structure (20). An inclined top cylinder (12) is suspended in the lower part of the inclined top plate structure (11). The inclined top plate structure (11) includes an inclined top bottom plate (36) and an ejector pin. The panel (37) and guide pillars (38) are provided. The upper surface of the inclined top plate (36) is equipped with a ejector panel (37). Several ejector structures (35) are installed on the ejector panel (37). The ejector structures (35) are vertically installed on the ejector panel (37). Four guide pillars (38) that vertically pass through the inclined top plate structure (11) are installed on the four corners of the inclined top cylinder (12). The lower end of the mold foot structure (7) is equipped with a base plate (14). The upper surface of the inclined top cylinder (12) and the base plate (14) are aligned at the center.

2. A die-casting mold for producing cylinder heads with pipe heads according to claim 1, characterized in that: A guide sleeve structure (43) is installed between the inclined top plate (36) and the ejector plate (37), and the guide sleeve structure (43) is sleeved inside the guide post (38).

3. A die-casting mold for producing cylinder heads with pipe heads according to claim 1, characterized in that: The inclined top plate structure (11) is provided with an inverted T-shaped mounting groove (42) on the rear side, and the main shaft of the inclined top cylinder (12) is matched with the T-shaped shaft of the inverted T-shaped mounting groove (42).

4. A die-casting mold for producing cylinder heads with pipe heads according to claim 1, characterized in that: The mold foot structure (7) has a notch structure (31) on the front left side. The inclined top plate structure (11) has a contact shaft (34) extending from the notch structure (31) on the left side. The lower mold base (2) has a contact switch mounting panel (32) on the left side near the notch structure (31). Two contact switches (33) are mounted side by side on the contact switch mounting panel (32). The contact ends of the contact switches (33) match the contact shaft (34).

5. A die-casting mold for producing cylinder heads with pipe heads according to claim 1, characterized in that: The lower mold core (4) is provided with a central slag bag structure (23) that connects with the two mold cavity structures (20). A tail shallow groove (22) is provided at the tail of the central slag bag structure (23). Each mold cavity structure (20) is provided with three central slag bag structures (23). The tails of the three tail shallow grooves (22) of the same mold cavity structure (20) are concentrated together to form a central venting shallow groove (24). The upper mold base (1) is provided with two venting holes (29) that correspond to the central venting shallow groove (24). The upper mold base (1) is provided with an venting guide groove (30) that connects with the venting holes (29).

6. A die-casting mold for producing cylinder heads with pipe heads according to claim 1, characterized in that: The lower mold base (2) has two guide post mounting slots (21) symmetrically arranged on the front of the upper end. The bottom surface of the guide post mounting slot (21) adopts a slope structure with the right rear part sloping downward. The guide post (28) is installed in the guide post mounting slot (21). The lower end of the guide post (28) is vertically installed on the inclined top plate structure (11).

7. A die-casting mold for producing cylinder heads with pipe heads according to claim 1, characterized in that: The lower mold base (2) is equipped with a rear tilting cylinder (8) with its front end tilting upward. The rear tilting cylinder (8) includes a rear bracket (18), a rear cylinder (17), and a rear slider seat (15). The lower mold base (2) is provided with a slider mounting notch with its rear end tilting downward. Two embedded slide rail structures (16) are installed side by side on the bottom slope of the slider mounting notch. The rear slider seat (15) is slidably installed on the two embedded slide rail structures (16). The front side of the rear slider seat (15) is equipped with two core-pulling blocks (44) corresponding to the mold cavity structures (20). The lower mold base (2) is equipped with a rear bracket (18). The rear cylinder (17) that connects the main shaft and the rear slider seat (15) is installed on the rear bracket (18).

8. A die-casting mold for producing cylinder heads with pipe heads according to claim 7, characterized in that: The core-pulling block (44) has a cylindrical structure. The front end of the core-pulling block (44) is inclined upward. The core-pulling block (44) has inner grooves (19) on both sides. The lower end surface of the upper mold core (3) is provided with a limiting platform (39) that covers the core-pulling block (44). The limiting platform (39) has guide protrusions at both ends that can be inserted into the inner grooves (19).

9. A die-casting mold for producing cylinder heads with pipe heads according to claim 1, characterized in that: The upper mold base (1) is equipped with upper cooling pipe mounting brackets (9) on both the left and right sides, and the lower mold base (2) is equipped with lower cooling pipe mounting brackets (10) on both the left and right sides.

10. A die-casting mold for producing cylinder heads with pipe heads according to claim 1, characterized in that: A hydraulic control panel (13) connected to the inclined top cylinder (12) is installed on the right side of the mold foot structure (7).

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