Forming die of closestool water tank

Abstract

The utility model provides a forming die of a closestool water tank, which comprises a panel, a base plate, an upper movable die, a lower fixed die, an ejector plate and a bottom plate, the upper movable die is provided with two cavities, the bottom of the base plate is provided with a boss, the boss slidably penetrates into the lower fixed die to the cavities, the lower fixed die is provided with a core and a lower die plate, the lower die plate is provided with a through hole, and the bottom of the lower die plate is provided with a plurality of push rods. The push rod penetrates through the lower fixed mold downwards in a sliding mode to be fixed to the ejector plate, a first side pulling mechanism and a second side pulling mechanism are arranged on the two sides of the lower mold plate respectively, and a third side pulling mechanism is installed on the side face of the lower fixed mold. During mold closing, the mold core is arranged in the mold cavity to form a main body of the closestool water tank, the first side pulling mechanism and the second side pulling mechanism are used for forming a positioning hole and a fixing hole of the closestool water tank respectively, the third side pulling mechanism is used for forming a water inlet hole of the closestool water tank, and during mold opening, the mold cavity is separated from the mold core, and the ejector plate pushes the lower mold plate to push a product to fall off from the mold core. And forming and demolding of the product are achieved.

Description

Technical Field

[0001] The utility model relates to the field of molds, and in particular to a forming mold for a toilet water tank. Background Art

[0002] The mold is a tool used to make molded products. Different shapes of molds are used to make products of different shapes, such as Figure 1-2 The toilet water tank shown in the figure has a hollow interior and an open end face, and a round hole at the other end. Two fixing holes are provided near the opening of the toilet water tank, and positioning holes are symmetrically provided at the edge of the opening of the toilet water tank. Water inlet holes are provided on both end faces of the toilet water tank near the opening. The overall structure is complex and the clamping force between the formed toilet water tank and the core is large. The wall of the toilet water tank is thin, and the traditional ejector cannot be used to eject the product. Therefore, how to realize the molding and demolding of the toilet water tank is a technical problem that needs to be solved urgently. Utility Model Content

[0003] The utility model provides a forming mold for a toilet water tank, aiming to solve the technical problems mentioned in the above technical background.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a forming mold for a toilet water tank, comprising a panel, a pad, an upper movable mold, a lower fixed mold, an ejector plate and a bottom plate from top to bottom, the upper movable mold having two cavities, a boss being arranged at the bottom of the pad, the boss being slidable through the lower fixed mold to the cavity, the lower fixed mold having a groove, two cores being embedded in the groove, a lower mold plate being movably arranged in the groove, the lower mold plate having a through hole for the core to pass through, a plurality of push rods being installed at the bottom of the lower mold plate, the push rods being slidable downward The lower mold is passed through and fixed to the ejector plate, a first side withdrawal mechanism and a second side withdrawal mechanism are respectively arranged on both sides of the lower mold plate, a third side withdrawal mechanism is installed on the side of the lower fixed mold, the first side withdrawal mechanism includes a first slider and a first guide column, a protrusion is arranged on the end surface of the first slider close to the through hole, the second side withdrawal mechanism includes a second slider and a second guide column, an inverted gourd-shaped protrusion is arranged on the end surface of the second slider facing the through hole, and the third side withdrawal mechanism includes a forming rod and a driving module, and the driving module drives the forming rod to approach or leave the core.

[0005] Furthermore, the driving module comprises a hydraulic cylinder installed on the side of the lower fixed mold, a piston rod of the hydraulic cylinder is connected to the shovel base, a slider is installed at one end of the forming rod away from the core, and the slider is slidably matched with the shovel base.

[0006] Furthermore, the through holes include two, the lower template is provided with a slide groove between the two through holes, the first slider is slidably installed at both ends along the length direction in the slide groove, the first guide column is installed at the bottom of the upper movable mold, and a top block is also provided at the bottom of the upper movable mold between the two first guide columns.

[0007] Furthermore, a plurality of molding columns are further installed at the bottom of the panel, and the molding columns can slide through the backing plate and the upper movable mold to the cavity.

[0008] Furthermore, a sink groove is provided at the bottom of the upper movable mold, and a spring is installed in the sink groove.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The utility model comprises a panel, a pad, an upper movable mold, a lower fixed mold, an ejector plate and a bottom plate, wherein the upper movable mold is provided with two cavities, a boss is arranged at the bottom of the pad, the boss can slide into the lower fixed mold to the cavity, the lower fixed mold is provided with a groove, two cores are embedded in the groove, a lower template is movably arranged in the groove, the lower template is provided with a through hole for the core to pass through, a plurality of push rods are installed at the bottom of the lower template, the push rods can slide downward through the lower fixed mold and be fixed on the ejector plate, a first side extraction mechanism and a second side extraction mechanism are respectively arranged on both sides of the lower template, a third side extraction mechanism is installed on the side surface of the lower fixed mold, the first side extraction mechanism comprises a first slider and a first guide column, a convex block is arranged on the end surface of the first slider close to the through hole, the second side extraction mechanism comprises a second slider and a second guide column, an inverted gourd-shaped protrusion is arranged on the end surface of the second slider facing the through hole, and the third side extraction mechanism comprises a molding rod and a driving module, and the driving module drives the molding rod to approach or leave the core. When the mold is closed, the core is placed in the cavity to form the main body of the toilet tank. The first side pull-out mechanism and the second side pull-out mechanism are respectively used to form the positioning hole and the fixing hole of the toilet tank. The third side pull-out mechanism is used to form the water inlet hole of the toilet tank. When the mold is opened, the cavity and the core are separated, and the ejector plate pushes the lower template to push the product off the core, thereby realizing the molding and demolding of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the toilet tank structure;

[0013] Figure 2 This is a schematic diagram of the toilet tank structure from another angle;

[0014] Figure 3 It is a schematic diagram of the structure of the molding die of the toilet water tank of the utility model;

[0015] Figure 4 It is a structural schematic diagram of the core of the forming mold of the toilet water tank of the utility model;

[0016] Figure 5 It is a schematic diagram of the upper movable mold structure of the forming mold of the toilet water tank of the utility model;

[0017] Figure 6 It is a schematic diagram of the panel structure of the forming die of the toilet water tank of the utility model;

[0018] Figure 7 It is a schematic diagram of the ejector plate and push rod structure of the forming mold of the toilet water tank of the utility model;

[0019] Figure 8 It is a structural schematic diagram of a hydraulic cylinder and a forming rod of a forming die of a toilet water tank of the utility model.

[0020] Main component symbols

[0021] 10. Panel; 101. Forming column;

[0022] 20. pad; 201. boss;

[0023] 30, upper movable mold; 301, mold cavity; 302, first guide column; 303, second guide column; 304, top block;

[0024] 40, lower fixed mold; 401, core; 402, lower mold plate; 4021, first slider; 4022, second slider; 403, forming rod; 404, hydraulic cylinder;

[0025] 50, ejector plate; 501, push rod;

[0026] 60. Bottom plate;

[0027] 70. Toilet tank; 701. Fixing hole; 702. Round hole; 703. Switch hole; 704. Positioning hole; 705. Water inlet hole. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to 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 utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0031] Example

[0032] like Figure 1-2 The toilet water tank 70 shown is hollow inside and has an open end, and a circular hole 702 and a switch hole 703 are provided at the other end. Two fixing holes 701 are provided near the opening of the toilet water tank 70, positioning holes 704 are symmetrically provided at the edge of the opening of the toilet water tank 70, and water inlet holes 705 are provided on both end surfaces of the toilet water tank 70 near the opening.

[0033] Reference Figure 3-8As shown, the utility model discloses a forming mold for a toilet water tank, comprising a panel 10, a pad 20, an upper movable mold 30, a lower fixed mold 40, an ejector plate 50 and a bottom plate 60 from top to bottom, the upper movable mold 30 is provided with two cavities 301, a boss 201 is arranged at the bottom of the pad 20, the boss 201 can slide into the lower fixed mold 40 to the cavity 301, the lower fixed mold 40 is provided with a groove, two cores 401 are embedded in the groove, a lower mold plate 402 is movably arranged in the groove, and the lower mold plate 402 is provided with a through hole for the core 401 to pass through. Specifically, during mold closing and injection molding, the core 401 is placed in the cavity 301, the panel 10, the pad 20 and the upper movable mold 30 are closed, and the boss 201 abuts against the core 401 to form a circular hole 702 at one end of the toilet tank 70; further, a plurality of molding columns 101 are further installed at the bottom of the panel 10, and the molding columns 101 can slide through the pad 20 and the upper movable mold 30 to the cavity 301. In this embodiment, the molding columns 101 include two groups, one group of two, and one core 401 corresponds to two molding columns 101. The molding columns 101 are used to form square grooves and switch holes 703 on both sides of the through hole of the toilet tank 70.

[0034] Reference Figure 3-8 As shown, a first side-drawing mechanism and a second side-drawing mechanism are respectively arranged on both sides of the lower mold plate 402, and a third side-drawing mechanism is installed on the side of the lower fixed mold 40, the first side-drawing mechanism includes a first slider 4021 and a first guide column 302, a convex block is arranged on the end face of the first slider 4021 close to the through hole, specifically, the through hole includes two, the two cores 401 correspond to the two through holes, a slide groove is opened between the two through holes of the lower mold plate 402, the first slider 4021 is slidably installed at both ends of the slide groove along the length direction, the first guide column 302 is installed at the bottom of the upper movable mold 30, and the upper movable mold 30 is also provided with a top block 304 between the two first guide columns 302, when the mold is closed, the first guide column 302 drives the first slider 4021 to separate toward both ends respectively, and the convex block abuts against The side of the core 401 is used to form a positioning hole 704 near the opening of the toilet water tank 70; the second side withdrawal mechanism includes a second slider 4022 and a second guide column 303, and the second slider 4022 is provided with an inverted gourd-shaped protrusion on the end face facing the through hole, and the inverted gourd-shaped protrusion abuts against the side of the core 401, and is used to form two fixing holes 701 on the side of the toilet water tank 70; the third side withdrawal mechanism includes a forming rod 403 and a driving module, and the driving module drives the forming rod 403 to approach or leave the core 401. Specifically, the driving module includes a hydraulic cylinder 404 installed on the side of the lower fixed mold 40, and the piston rod of the hydraulic cylinder 404 is connected to the shovel base. A slider is installed at the end of the forming rod 403 away from the core 401, and the slider is slidably matched with the shovel base. When the mold is closed, the hydraulic cylinder 404 drives the shovel base downward, and the shovel base drives the slider to push the molding rod 403 through the lower fixed mold 40 to the cavity 301 and abut against the core 401 to form the two water inlet holes 705 on the side of the toilet tank 70.

[0035] Reference Figure 3-8 As shown, a plurality of push rods 501 are installed at the bottom of the lower mold 402. The push rods 501 can slide downward through the lower fixed mold 40 and be fixed on the ejector plate 50. Specifically, when the mold is opened, the upper movable mold 30 moves upward, the cavity 301 is separated from the core 401, and the product falls on the core 401. The ejector plate 50 pushes the lower mold 402 upward, and the lower mold 402 pushes the toilet tank 70 to fall off the core 401, thereby realizing the demolding of the product.

[0036] In addition, a groove is provided at the bottom of the upper movable mold 30, and a spring is installed in the groove. Since the upper movable mold 30 is large in overall volume, the large upper movable mold 30 will cause an impact on the lower fixed mold 40 when the molds are closed, and the spring plays a buffering role.

[0037] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A forming mold for a toilet tank, characterized in that: The invention comprises a panel, a pad, an upper movable mold, a lower fixed mold, an ejector plate and a bottom plate from top to bottom, the upper movable mold is provided with two cavities, a boss is arranged at the bottom of the pad, the boss can slide into the lower fixed mold to the cavity, the lower fixed mold is provided with a groove, two cores are embedded in the groove, a lower template is movably arranged in the groove, the lower template is provided with a through hole for the core to pass through, a plurality of push rods are installed at the bottom of the lower template, the push rods can slide downward through the lower fixed mold and be fixed on the ejector plate, a first side withdrawal mechanism and a second side withdrawal mechanism are respectively arranged on both sides of the lower template, a third side withdrawal mechanism is installed on the side of the lower fixed mold, the first side withdrawal mechanism comprises a first slider and a first guide column, a convex block is arranged on the end face of the first slider close to the through hole, the second side withdrawal mechanism comprises a second slider and a second guide column, an inverted gourd-shaped protrusion is arranged on the end face of the second slider facing the through hole, and the third side withdrawal mechanism comprises a forming rod and a driving module, and the driving module drives the forming rod to approach or leave the core.

2. The forming mold of the toilet tank according to claim 1, characterized in that: The driving module comprises a hydraulic cylinder installed on the side of the lower fixed mold, a piston rod of the hydraulic cylinder is connected to the shovel base, a sliding block is installed at one end of the forming rod away from the core, and the sliding block is slidably matched with the shovel base.

3. The forming mold of the toilet tank according to claim 1, characterized in that: The through holes include two, the lower template is provided with a slide groove between the two through holes, the first slider is slidably installed at both ends along the length direction in the slide groove, the first guide column is installed at the bottom of the upper movable mold, and a top block is also provided at the bottom of the upper movable mold between the two first guide columns.

4. The forming mold of the toilet tank according to claim 1, characterized in that: A plurality of molding columns are further installed at the bottom of the panel, and the molding columns can slide through the pad and the upper movable mold to the cavity.

5. The forming mold of the toilet tank according to claim 2, characterized in that: A sink groove is provided at the bottom of the upper movable mold, and a spring is installed in the sink groove.

Images