Shell forming die

Abstract

The utility model provides a shell forming die which comprises a panel, a base plate, an upper movable die, a lower fixed die, an ejector plate and a bottom plate, an upper die core is embedded in the bottom of the upper movable die, a lower die core is embedded in the lower fixed die, side sliding blocks are arranged on the two sides of the upper die core, a first cylinder and a second cylinder are arranged on the end faces, facing the upper die core, of the two side sliding blocks respectively, and an annular groove is formed in the first cylinder. A circular groove is formed in the bottom of the upper mold core, an arched groove is formed in the bottom of the circular groove, through holes are formed in the two sides of the upper mold core, a rectangular groove is formed in the lower fixed mold, and a mold core is arranged at the bottom of the rectangular groove and comprises a boss and an arched protruding block. During mold closing, the mold core is arranged in the circular groove, a gap between the mold core and the circular groove forms a shell body, the first cylinder stretches into the through hole to abut against one end face of the arch-shaped protruding block, the second cylinder stretches into the through hole and is close to the other end face of the arch-shaped protruding block, the mold core forms the hollow part in the shell, and the first cylinder forms the circular hole in one side face of the shell. The second cylinder forms an annular protruding part on the other side face of the shell.

Description

Technical Field

[0001] The utility model relates to the field of molds, and in particular to a molding mold for a shell. 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 shell shown in the figure is hollow inside. The shell includes a truncated cone and an arched block on the truncated cone. A circular hole penetrating the interior of the shell is opened on one side of the arched block, and an annular protrusion is arranged on the other side. Two rib plates are arranged inside the arched block of the shell. The overall structure is complex. How to realize the molding of the shell is a technical problem that needs to be solved urgently. Utility Model Content

[0003] The utility model provides a molding die for a shell, 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 of a shell, comprising a panel, a pad, an upper movable mold, a lower fixed mold, a ejector plate and a bottom plate from top to bottom, an upper mold core is embedded in the bottom of the upper movable mold, a lower mold core is embedded in the lower fixed mold, side sliders are arranged on both sides of the upper mold core along the length direction, a first cylinder is arranged on the end face of one of the side sliders facing the upper mold core, and a second cylinder is arranged on the end face of the other side slider facing the upper mold core, the first cylinder is provided with an annular groove, a circular groove is arranged at the bottom of the upper mold core, an arched groove is arranged at the bottom of the circular groove, through holes connecting the grooves are arranged on both sides of the upper mold core along the length direction, the lower fixed mold is provided with a rectangular groove, a core is arranged at the bottom of the rectangular groove, and the core includes a boss and an arched protrusion arranged on the boss.

[0005] Furthermore, the side sliding block is provided with a guide groove inclined downward, and guide blocks are installed at the bottom of both sides of the panel along the length direction.

[0006] Furthermore, the arched protrusion is provided with two vertical forming gaps.

[0007] Furthermore, a square convex block is further arranged on one side of the boss.

[0008] Furthermore, two push plates are arranged on the ejector plate, and the push plates can slide upward through the lower fixed mold, the boss and the arched protrusion.

[0009] Furthermore, the upper die core is provided with elastic positioning columns on both sides of the side slide block, and positioning grooves are provided on both sides of the side slide block.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model comprises a panel, a pad, an upper movable mold, a lower fixed mold, an ejector plate and a bottom plate. An upper mold core is embedded in the bottom of the upper movable mold, a lower mold core is embedded in the lower fixed mold, side slide blocks are arranged on both sides of the upper mold core along the length direction, a first cylinder is arranged on the end face of one side slide block facing the upper mold core, a second cylinder is arranged on the end face of the other side slide block facing the upper mold core, an annular groove is formed on the first cylinder, a circular groove is formed on the bottom of the upper mold core, an arched groove is formed on the bottom of the circular groove, through holes connected to the groove are formed on both sides of the upper mold core along the length direction, a rectangular groove is formed on the lower fixed mold, a core is arranged at the bottom of the rectangular groove, and the core comprises a boss and an arched convex block arranged on the boss. When the mold is closed, the upper mold core is placed in the rectangular groove of the lower mold core, the core is placed in the circular groove, the gap between the core and the circular groove is used to form the shell body, the sliders on both sides approach the upper mold core, the first cylinder extends into the through hole and abuts against one end face of the arched protrusion, the second cylinder extends into the through hole and approaches the other end face of the arched protrusion, the core is used to form the hollow part inside the shell, the first cylinder is used to form the circular hole on one side of the shell, and the second cylinder is used to form the annular protrusion on the other side of the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] 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.

[0013] Figure 1 is a schematic diagram of the shell structure;

[0014] Figure 2 It is a schematic diagram of the structure of the shell from another angle;

[0015] Figure 3 This is a schematic diagram of the structure of the plastic-encapsulated injection mold for the shell of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the panel of the shell encapsulation injection mold of the utility model;

[0017] Figure 5 It is a schematic diagram of the structure of the upper mold core and the side slider of the shell encapsulation injection mold of the utility model;

[0018] Figure 6 It is a schematic diagram of the lower mold core structure of the shell encapsulation injection mold of the utility model;

[0019] Figure 7 The utility model is a schematic diagram of the structure of the ejector plate and the push plate of the shell rubber-encapsulated injection mold.

[0020] Main component symbols

[0021] 10. panel; 101. guide block;

[0022] 20. Pad;

[0023] 30. Upper movable mold;

[0024] 31, upper die core; 311, through hole; 312, circular groove; 313, groove;

[0025] 40. Set the mold;

[0026] 41, lower die core; 411, boss; 412, arched convex block; 4121, forming gap;

[0027] 42, side slider; 421, first cylinder; 422, second cylinder;

[0028] 50, ejector plate; 501, push plate;

[0029] 60. Bottom plate;

[0030] 70. Shell; 701. Round hole; 702. Rib plate. DETAILED DESCRIPTION

[0031] 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.

[0032] 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.

[0033] 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.

[0034] Example

[0035] like Figure 1-2 The shell 70 shown is hollow inside. The shell 70 includes a truncated cone and an arched block on the truncated cone. A circular hole 701 penetrating the inside of the shell 70 is opened on one side of the arched block, and an annular protrusion is arranged on the other side. Two ribs 702 are arranged inside the arched block of the shell 70.

[0036] Reference Figure 3-6As shown, the utility model discloses a shell plastic encapsulation injection mold, including 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, an upper mold core 31 is embedded at the bottom of the upper movable mold 30, a lower mold core 41 is embedded on the lower fixed mold 40, side sliders 42 are arranged on both sides of the upper mold core 31 along the length direction, a side slider 42 is arranged on the end face of the upper mold core 31 facing the first cylinder 421, and the other side slider 42 is arranged on the end face of the upper mold core 31 facing the first cylinder 421. A second cylinder 422 is provided on the end face of 31, an annular groove is formed on the first cylinder 421, a circular groove 312 is formed on the bottom of the upper mold core 31, an arched groove 313 is formed at the bottom of the circular groove 312, through holes 311 connecting the groove 313 are formed on both sides of the upper mold core 31 along the length direction, a rectangular groove is formed on the lower fixed mold 40, a core 411 is provided at the bottom of the rectangular groove, and the core 411 includes a boss 4111 and an arched protrusion 4112 provided on the boss 4111. Specifically, the side slide block 42 is provided with a guide groove obliquely downward, and guide blocks 101 are installed at the bottom of both sides of the panel 10 along the length direction. When the mold is closed, the upper mold core 31 and the lower mold core 41 are closed, the boss 4111 is placed in the circular groove 312, the arched convex block 4112 is placed in the arched groove 313, and the gap between the core 411 and the circular groove 312 and the arched groove 313 is used to form the main body of the shell 70; the panel 10 and the upper movable mold 30 are closed, and the guide blocks 101 drive the side slide block 42 toward the upper mold core 31 close to the first A cylinder 421 and a second cylinder 422 are respectively placed in the through holes 311 on both sides of the upper mold core 31, wherein the first cylinder 421 is close to the core 411, the second cylinder 422 abuts against the core 411, the second cylinder 422 is used to form the circular hole 701 of the shell 70, and the annular groove of the first cylinder 421 is used to form the annular protrusion on one side of the shell 70; further, the arched protrusion 4112 is provided with two vertical forming gaps, and the forming gaps are used to form the two ribs 702 inside the shell 70. Furthermore, a square protrusion is further arranged on one side of the boss 4111, and the square protrusion is used to form the notch at the edge of the shell 70.

[0037] Reference Figure 6 , Figure 7 As shown, two push plates 401 are provided on the ejector plate 50, and the push plates 401 can slide upward through the lower fixed mold 40, the boss 4111 and the arched protrusion 4112. Specifically, when the mold is opened, the panel 10 is separated from the upper movable mold 30, and the guide block 101 drives the side slider 42 to leave the upper mold core 31, and the first cylinder 421 and the second cylinder 422 withdraw from the circular hole 701; then the upper mold core 31 and the lower mold core 41 are separated, and the shell 70 falls on the core 411; finally, the ejector plate 50 pushes upward to push the shell 70 from the inside of the shell 70 to fall off the core 411, that is, the demoulding of the shell 70 is achieved.

[0038] In addition, the upper mold core 31 is provided with elastic positioning columns on both sides of the side slider 42, and positioning grooves are opened on both sides of the side slider 42. Specifically, when the mold is closed, the elastic positioning columns are placed in the positioning grooves. When the side slider 42 is close to the upper mold core 31, the elastic positioning columns are placed in the positioning grooves for positioning the side slider 42 that has slid into place.

[0039] 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 molding die for a housing, characterized in that: It includes a panel, a pad, an upper movable mold, a lower fixed mold, an ejector plate and a bottom plate from top to bottom, an upper mold core is embedded in the bottom of the upper movable mold, a lower mold core is embedded in the lower fixed mold, side sliders are arranged on both sides of the upper mold core along the length direction, a first cylinder is arranged on the end face of one of the side sliders facing the upper mold core, and a second cylinder is arranged on the end face of the other side slider facing the upper mold core, the first cylinder is provided with an annular groove, a circular groove is arranged at the bottom of the upper mold core, an arched groove is arranged at the bottom of the circular groove, through holes connecting the grooves are arranged on both sides of the upper mold core along the length direction, the lower fixed mold is provided with a rectangular groove, a core is arranged at the bottom of the rectangular groove, and the core includes a boss and an arched convex block arranged on the boss.

2. The molding die of the housing according to claim 1, characterized in that: The side sliding block is provided with a guide groove inclined downward, and guide blocks are installed at the bottom of both sides of the panel along the length direction.

3. The molding die of the housing according to claim 1, characterized in that: The arched protrusion is provided with two vertical forming gaps.

4. The molding die of the housing according to claim 1, characterized in that: A square convex block is further arranged on one side of the boss.

5. The molding die of the housing according to claim 1, characterized in that: The ejector plate is provided with two push plates, and the push plates can slide upward through the lower fixed mold, the boss and the arched protrusion.

6. The molding die of the housing according to claim 1, characterized in that: The upper die core is provided with elastic positioning columns on both sides of the side slide block, and positioning grooves are provided on both sides of the side slide block.

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