Closestool water tank forming die
By combining a panel, an upper moving mold, a lower fixed mold, and an ejector plate, the molding problem of the complex structure of the toilet tank was solved, achieving precise molding and high-quality products.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-03-24
AI Technical Summary
Existing technologies struggle to effectively mold complex toilet tank structures, especially the ribs at the bottom of the tank and the water outlet.
It adopts a combination structure of panel, upper moving mold, lower fixed mold, ejector plate and base plate, and achieves precise molding of each part of toilet tank by setting side slider, boss, molding groove and push block.
This achieves precise molding of the entire toilet tank, avoiding burrs and alignment issues, and ensuring product quality.
Smart Images

Figure CN224028126U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a mould field, specifically, a toilet water tank forming die. BACKGROUND
[0002] The mould is used to make the forming product, and different products are made through different shapes of the mould, such as Fig. 1-2 The toilet water tank shown in the figure is deep, the water tank bottom is provided with a water inlet pipeline and a water outlet, the water tank inner bottom is provided with a plurality of first ribs, the water tank inner bottom is provided with a plurality of second ribs at the position of the water outlet, the water tank opening is respectively provided with a first extension, a second extension and a third extension, and the overall structure is complex, therefore, how to realize the forming of the toilet water tank is a technical problem to be solved. SUMMARY
[0003] The utility model provides a kind of toilet water tank forming die, to solve the technical problem mentioned in the above technical background.
[0004] To achieve the above object, the utility model adopts the following technical scheme: a kind of toilet water tank forming die, including from top to bottom panel, upper movable die, lower fixed die, ejector rod plate and bottom plate, the upper movable die includes upper die plate and lower die plate, the upper die plate is embedded in middle die, side slide is arranged in one side of the middle die, the panel bottom is provided with inclined guide block, the bottom of the middle die is provided with boss;The lower fixed die is embedded in lower die, and the lower die includes a core in the middle, the lower die is respectively provided with two first forming grooves, first convex part, second convex part around the core, the lower die plate is provided with two first forming convex blocks, first recess and second recess around the tapered hole in the middle, the first push block is embedded on the core, the second push block is arranged around the core in the lower die, and the first push block and the second push block are connected with the ejector rod plate by push rod.
[0005] Further, the panel bottom is embedded in upper die, and the upper die is provided with a plurality of forming seams.
[0006] Further, the core is further embedded in forming block, and the forming block is circumferentially provided with a plurality of forming notches.
[0007] Further, the panel, the lower die plate and the lower fixed die side are provided with buckle machine, the buckle machine includes movable rod fixed on the panel side, fixed rod fixed on the lower fixed die side and lower die plate side positioning block, the movable rod lower end is provided with inclined surface, the fixed rod upper end is provided with gouging block, and the gouging block extends towards horizontal extension lever.
[0008] Further, the side wall of the panel is provided with guide plate, and the upper die plate and the lower die plate side wall are provided with guide slot.
[0009] Compared with the prior art, the utility model has the beneficial effects that:
[0010] The utility model discloses a panel, upper movable mould, lower fixed mould, thimble plate and bottom plate, the upper movable mould includes upper die plate and lower die plate, and the upper die plate is embedded in the middle die core, and one side of the middle die core is provided with a side sliding block, and the bottom of the panel is provided with an inclined guide block, and the bottom of the middle die core is provided with a boss, the lower fixed mould is embedded in the lower die core, and the lower die core includes the core in the middle, and the lower die core is provided with two first forming grooves, a first convex part and a second convex part around the core respectively, the lower die plate is provided with a conical hole in the middle, and the bottom of the lower die plate is provided with two first forming convex blocks, a first recess and a second recess around the conical hole, the core is embedded with a first push block, and the lower die core is provided with a second push block around the core, and the first push block and the second push block are connected with the thimble plate through a push rod. BRIEF DESCRIPTION OF DRAWINGS
[0011] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawing needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as the limitation to the scope, and for the ordinary skilled person in the art, other related drawings can also be obtained according to these drawings without the creative labor.
[0012] Fig. 1 It is the structure schematic diagram of toilet tank,
[0013] Fig. 2 It is the structure schematic diagram of toilet tank from another angle,
[0014] Fig. 3 It is the structure schematic diagram of the forming die of the utility model toilet tank,
[0015] Fig. 4 It is the structure schematic diagram of the forming die of the utility model toilet tank,
[0016] Fig. 5 It is the structure schematic diagram of the upper die plate and side sliding block of the forming die of the utility model toilet tank,
[0017] Fig. 6 It is the structure schematic diagram of the bottom of the middle die core of the utility model toilet tank,
[0018] Fig. 7 It is the structure schematic diagram of the lower die plate of the utility model toilet tank,
[0019] Fig. 8 Figure 2 is a lower die structure schematic diagram of the forming die of the toilet tank of the utility model.
[0020] Main component symbol explanation
[0021] 10, panel; 101, inclined guide block; 102, guide plate; 103, moving rod; 104, upper die;
[0022] 20, upper movable die; 201, upper die plate; 202, middle die; 2021, boss; 203, side sliding block; 204, lower die plate; 2041, first forming protrusion; 2042, first groove; 2043, second groove; 2044, positioning block;
[0023] 30, lower fixed die; 301, lower die; 302, core; 3021, first push block; 3022, second push block; 303, first forming groove; 304, first protruding part; 305, second protruding part; 306, fixed rod; 3061, lever;
[0024] 40, thimble plate;
[0025] 50, bottom plate;
[0026] 60, toilet tank; 601, water inlet pipe; 602, water outlet; 603, first rib; 604, second rib; 605, first extension; 606, second extension; 607, third extension. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0028] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0029] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0030] Example
[0031] Reference Fig. 3-8 As shown, this utility model discloses a toilet tank molding die, including a panel 10, an upper moving mold 20, a lower fixed mold 30, an ejector plate 40, and a base plate 50 from top to bottom. The upper moving mold 20 includes an upper template 201 and a lower template 204. The upper template 201 is fitted with a middle mold core 202. A side slider 203 is provided on one side of the middle mold core 202. An inclined guide block 101 is provided at the bottom of the panel 10. A boss 2021 is provided at the bottom of the middle mold core 202. The lower fixed mold 30 is fitted with a lower mold core 301. The lower mold core 301 includes a central core 302. Specifically, when the mold is closed, the upper template 201 and the lower template 204 close and cover the core 302. The inclined guide block 101 of the panel 10 pushes the side slider 203 to abut against the core 302, which is used to form the water inlet pipe of the toilet tank 60. Furthermore, the core 302 is further embedded with a molding block, which has several molding notches in the circumferential direction. When the mold is closed, the boss 2021 abuts against the molding block to form the water tank outlet 602, wherein the molding notches are used to form the second rib 604 inside the water tank at the water outlet 602.
[0032] Reference Fig. 4 As shown, an upper mold core 104 is embedded at the bottom of the panel 10, and the upper mold core 104 has several forming slits. Specifically, during injection molding, the upper mold core 104 covers the middle mold core 202, and the forming slits are used to form the ribs on the outside of the bottom of the water tank.
[0033] Reference Fig. 3-8As shown, the lower die core 301 is provided with two first forming grooves 303, a first protruding part 304 and a second protruding part 305 around the core 302 respectively, the lower die plate 204 is provided with a tapered hole in the middle, and the lower die plate 204 is provided with two first forming protrusions 2041, a first recess 2042 and a second recess 2043 around the tapered hole at the bottom, specifically, when the mold is closed, the two first forming protrusions 2041 are placed in the two first forming grooves 303 for forming two first extending parts 605, the first protruding part 304 is placed in the first recess 2042 for forming a second extending part 606, and the second protruding part 305 is placed in the second recess 2043 for forming a third extending part 607.
[0034] Referring to Fig. 3-8 As shown, the core 302 is embedded with a first push block 3021, and the lower die core 301 is provided with a second push block 3022 around the core 302, and the first push block 3021 and the second push block 3022 are connected to the ejector plate 40 through a push rod. Specifically, the core 302 is provided with a T-shaped groove around the first push block 3021, which is used for forming a first rib 603 on the inner bottom of the toilet tank 60, on the one hand, and on the other hand, when the mold is opened, the ejector plate 40 pushes the push rod to push the first push block 3021 and the second push block 3022 to demold from the core 302, and the ejector plate 40 is also provided with a plurality of ejector pins for pushing the tank to demold from the core 302.
[0035] Referring to Fig. 3-8 As shown, the side of the panel 10, the lower die plate 204 and the lower fixed die 30 is provided with a buckle machine, which includes a moving rod 103 fixed on the side of the panel 10, a fixed rod 306 fixed on the side of the lower fixed die 30 and a positioning block 2044 on the side of the lower die plate 204, the lower end of the moving rod 103 is provided with an inclined surface, the upper end of the fixed rod 306 is provided with a notch block, and the notch block extends horizontally to push the rod 3061. Specifically, when the mold is closed, one end of the inclined surface of the moving rod 103 is placed below the push rod 3061, and the upper end of the notch block of the fixed rod 306 buckles the positioning block 2044, and when the mold is opened, the panel 10 first moves upward away from the upper die plate 201, and the side slide block 203 is first pushed out of the water tank inlet pipe, at this time the lower die plate 204 and the lower fixed die 30 remain stationary, and with the continuous upward movement of the panel 10, the moving rod 103 is moved upward, and when the inclined surface of the moving rod 103 abuts against the push rod 3061, the inclined surface pushes the push rod 3061 to drive the notch block to be separated from the positioning block 2044, at this time the lower die plate 204 is moved upward to separate the upper die plate 201 and the lower die plate 204 from the core 302, thereby ensuring the smoothness of the mold opening.
[0036] Referring to Fig. 4-5As shown, the side wall of the panel 10 is provided with a guide plate 102, and the side wall of the upper die plate 201 and the lower die plate 204 is provided with a guide groove, when the mold is closed and injection is performed, the guide plate 102 of the panel 10 is inserted along the guide groove of the upper die plate 201 and the lower die plate 204, so as to ensure the alignment of the panel 10, the upper die plate 201 and the lower die plate 204, and avoid the problem of burr of the product caused by misalignment.
[0037] The preferred embodiments of the present application have been described above, but the present application is not limited to the above. Various modifications and changes can be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A toilet tank forming mold characterized by: The application relates to a mould for manufacturing a plastic container, which comprises a top-down panel, an upper movable mould, a lower fixed mould, a top pin plate and a bottom plate, the upper movable mould comprises an upper mould plate and a lower mould plate, the upper mould plate is embedded with a middle mould core, a side sliding block is arranged on one side of the middle mould core, an inclined guide block is arranged at the bottom of the panel, and a boss is arranged at the bottom of the middle mould core; the lower fixed mould is embedded with a lower mould core, the lower mould core comprises a middle core, two first forming grooves, a first convex part and a second convex part are respectively arranged around the core, a conical hole is formed in the middle of the lower mould plate, two first forming convex blocks, a first recess and a second recess are respectively arranged around the conical hole at the bottom of the lower mould plate, a first push block is embedded on the core, a second push block is arranged around the core of the lower mould core, and the first push block and the second push block are connected with the top pin plate through a push rod.
2. The toilet tank forming mold of claim 1, wherein: The bottom of the panel is embedded with an upper mould core, and the upper mould core is provided with a plurality of forming seams.
3. The toilet tank forming mold of claim 1, wherein: The core is further embedded with a forming block, and a plurality of forming notches are circumferentially formed in the forming block.
4. The toilet tank forming mold of claim 1, wherein: The panel, the lower mould plate and the lower fixed mould are provided with a buckle machine on the side, the buckle machine comprises a moving rod fixed on the side of the panel, a fixed rod fixed on the side of the lower fixed mould and a positioning block on the side of the lower mould plate, an inclined surface is arranged at the lower end of the moving rod, a notch is arranged at the upper end of the fixed rod, and the notch extends towards a horizontal direction to drive a lever.
5. The toilet tank forming mold of claim 1, wherein: The side wall of the panel is provided with a guide plate, and guide grooves are formed in the side walls of the upper mould plate and the lower mould plate.