Forming die for front shell of air purifier

Abstract

The utility model provides a forming die for a front shell of an air purifier, which comprises a panel, an upper movable die, a lower fixed die, a base plate, an ejector plate and a base, buckling machines are arranged on the side surfaces of the lower fixed die, the base plate and the ejector plate, an upper die core is embedded at the bottom of the upper movable die, a lower die core is embedded on the lower fixed die, a glue inlet hot nozzle is arranged on the base, and the upper die core is provided with an arc-shaped groove. The lower mold core comprises a forming block, inclined pulling blocks are arranged on the two sides of the forming block and installed on the base plate, lower protrusions are arranged on the upper end face of the forming block and the upper surfaces of the inclined pulling blocks, and the lower mold core is provided with a plurality of ejector blocks connected with the ejector plate. During mold closing, the upper mold core and the lower mold core are closed, glue is fed from the glue feeding hot nozzle of the base, and the upper surface of the formed front shell is smooth and flat; during mold opening, the upper mold core and the lower mold core are separated, the ejector plate upwards pushes the ejector block to push the front shell, meanwhile, the lower fixed mold is driven by the buckling machine to move upwards, the inclined pulling block is separated from the lower mold core, arc-shaped parts on the two sides of the front shell are separated from the inclined pulling block, and meanwhile the ejector block pushes the front shell to fall off from the forming block.

Description

Technical Field

[0001] The utility model relates to the field of molds, and in particular to a molding mold for a front shell of an air purifier. 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 The front shell of the air purifier shown in the figure has arc-shaped sides, a number of filter holes on the front shell, and a number of undercuts on the bottom of the front shell near the two sides. The front shell has the following problems in the molding process: 1. There are multiple and dense filter holes on the front shell, and the clamping force is large after molding, and it cannot be ejected only by the ejector; 2. The customer requires that the upper surface of the front shell must be smooth as a whole, without any traces of glue or parting lines. Utility Model Content

[0003] The utility model provides a molding die for a front shell of an air purifier, 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 molding die for the front shell of an air purifier, comprising a panel, an upper movable mold, a lower fixed mold, a pad, an ejector plate and a base from top to bottom, the lower fixed mold, the pad and the ejector plate are provided with buckle machines on the sides, the upper mold core is embedded in the bottom of the upper movable mold, the lower mold core is embedded in the lower fixed mold, the upper mold core and the lower mold core constitute a molding cavity, a vertical upward glue feeding hot nozzle is provided on the base, the upper mold core is provided with an arc-shaped groove, and the arc-shaped groove is provided with a plurality of upper The lower mold core comprises a molding block protruding in the middle, inclined guide holes are opened on both sides of the molding block, oblique draw blocks are arranged in the guide holes, a slide seat is installed on the pad, the oblique draw block can be slidably installed on the slide seat, a plurality of lower protrusions are arranged on the upper end surface of the molding block and the upper surface of the oblique draw block, a plurality of ejector blocks are arranged on both sides of the lower mold core close to the guide hole, a plurality of ejector rods are arranged on the ejector pin plate, and the ejector rods can slide upward through the pad, the lower fixed mold and the lower mold core to connect the ejector block.

[0005] Furthermore, the lower fixed die is provided with side forming blocks on both sides of the lower die core, and side forming grooves are opened on both sides of the lower die core.

[0006] Furthermore, a plurality of ejector pins are further arranged on the ejector pin plate, and the ejector pins can slidably pass through the backing plate, the lower fixed mold and the lower mold core.

[0007] Furthermore, the buckle machine includes a top plate, a limit block and a guide block, wherein the guide block is mounted on the side of the pad, the limit block is telescopically mounted on the side of the lower fixed mold, and the top plate is mounted on the ejector plate.

[0008] Furthermore, hydraulic cylinders are installed on both sides of the base, and piston rods of the hydraulic cylinders are connected to the ejector plate.

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

[0010] The utility model comprises a panel, an upper movable mold, a lower fixed mold, a pad, an ejector plate and a base, buckle machines are arranged on the sides of the lower fixed mold, the pad and the ejector 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, the upper mold core and the lower mold core constitute a molding cavity, a vertical upward glue inlet hot nozzle is arranged on the base, the upper mold core is provided with an arc groove, a plurality of upper protrusions are arranged in the arc groove, the lower mold core comprises a molding block protruding in the middle, inclined guide holes are opened on both sides of the molding block, an oblique draw block is arranged in the guide hole, a sliding seat is installed on the pad, the oblique draw block is slidably installed on the sliding seat, a plurality of lower protrusions are arranged on the upper end surface of the molding block and the upper surface of the oblique draw block, a plurality of ejector blocks are arranged on both sides of the lower mold core close to the guide hole, a plurality of ejector rods are arranged on the ejector plate, and the ejector rods can slide upward through the pad, the lower fixed mold and the lower mold core to connect the ejector block. When the mold is closed, the upper mold core and the lower mold core are closed, the arc-shaped groove covers the molding block and the oblique draw block, and the hot melt glue is injected from the hot nozzle. The upper surface of the front shell after molding is smooth and flat, and no glue injection marks will be formed on the front shell; when the mold is opened, the upper mold core and the lower mold core are separated, the ejector plate moves upward to push the ejector block to push the front shell, and at the same time, the lower fixed mold is driven to move upward through the buckle machine, so that the oblique draw block is withdrawn downward, the arc-shaped parts on both sides of the front shell are separated from the oblique draw block, and the ejector block pushes the front shell to fall off the molding block, thereby realizing the molding and demolding of the front shell. 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 is a schematic diagram of the shell structure;

[0013] Figure 2 It is a schematic diagram of the mold structure of the utility model with an oblique draw mechanism;

[0014] Figure 3 It is a structural schematic diagram of the buckle machine and the lower die core of the mold with an oblique draw mechanism of the utility model;

[0015] Figure 4 It is a schematic diagram of the oblique draw block structure of the mold with an oblique draw mechanism of the utility model;

[0016] Figure 5It is a schematic diagram of the structure of the lower die core of the mold with an oblique drawer mechanism of the utility model;

[0017] Figure 6 It is a schematic diagram of the upper die core structure of a die with an oblique drawer mechanism of the utility model.

[0018] Main component symbols

[0019] 10. Panel;

[0020] 20. Upper movable mold; 201. Upper mold core;

[0021] 30, lower fixed die; 301, lower die core; 302, top block; 303, limit block; 304, side forming block;

[0022] 40, pad; 401, oblique draw block; 402, guide block;

[0023] 50, ejector plate; 501, ejector pin;

[0024] 60. base; 601. hydraulic cylinder;

[0025] 70, front shell; 701, filter hole; 702, inverted. DETAILED DESCRIPTION

[0026] 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.

[0027] 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.

[0028] 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.

[0029] Example

[0030] like Figure 1 The front shell 70 of the air purifier shown in the figure has arc-shaped two sides, a plurality of filter holes 701 are opened on the front shell 70, and a plurality of undercuts 702 are arranged at the bottom of the front shell 70 near the two sides.

[0031] Reference Figure 2 As shown, the utility model discloses a molding mold for the front shell of an air purifier, including a panel 10, an upper movable mold 20, a lower fixed mold 30, a pad 40, an ejector plate 50 and a base 60 from top to bottom. A vertically upward hot glue injection nozzle is arranged on the base 60, an upper mold core 201 is embedded in the bottom of the upper movable mold 20, and a lower mold core 301 is embedded in the lower fixed mold 30. The upper mold core 201 and the lower mold core 301 constitute a molding cavity. When the mold is closed and glue is injected, hot melt glue is injected from the hot glue injection nozzle to avoid injection from the panel 10 from top to bottom, and to avoid injection marks on the upper surface of the front shell 70.

[0032] Reference Figure 3-4 As shown, the lower fixed mold 30 is provided with side forming blocks 304 on both sides of the lower mold core 301, and side forming grooves are opened on both sides of the lower mold core 301. Specifically, when the mold is closed, the side forming blocks 304 are placed in the side forming grooves to form the undercut 702 at the bottom of the front shell. When the mold is opened, the inclined guide column of the upper movable mold 20 drives the side forming blocks 304 to be released from the side forming grooves, that is, the molding and demoulding of the undercut 702 of the front shell are realized.

[0033] Reference Figure 3-6As shown, the upper mold core 201 is provided with an arc-shaped groove, and a plurality of upper protrusions are arranged on the arc-shaped groove. The lower mold core 301 includes a molding block protruding in the middle, and inclined guide holes are arranged on both sides of the molding block. The guide holes are provided with oblique withdrawal blocks 401. A slide seat is installed on the pad 40, and the oblique withdrawal block 401 is slidably installed on the slide seat. The oblique withdrawal block 401 has a slide groove, and the slide seat is provided with a guide block 402. When the lower fixed mold 30 moves upward, the oblique withdrawal block 401 can slide along the guide block 402 of the slide seat, and a plurality of lower protrusions are arranged on the upper end surface of the molding block and the upper surface of the oblique withdrawal block 401. When the mold is closed, the arc-shaped groove covers the molding block, and the upper protrusion and the lower protrusion are in conflict with each other, which is used to form the filter hole 701 on the front shell. Using a whole arc-shaped groove to cover the oblique withdrawal block 401 and the molding block can avoid the generation of parting lines on the upper surface of the front shell, and the overall surface is beautiful. Hydraulic cylinders 601 are installed on both sides of the base 60, and the piston rod of the hydraulic cylinder 601 is connected to the ejector plate 50. When the mold is opened, the upper mold core 201 and the lower mold core 301 are separated, and the product stays on the lower mold core 301. The hydraulic cylinder 601 extends upward to push the ejector plate 50 to move upward. A buckle machine is set on the side of the lower fixed mold 30, the backing plate 40 and the ejector plate 50. The buckle machine includes a top plate, a limit block 303 and a guide block 402. The guide block 402 is installed on the side of the backing plate 40. The limit block 303 is telescopically installed on the side of the lower fixed mold 30. The top plate is installed on the ejector plate 50. The ejector plate 50 pushes the top plate upward to push the limit block 303 upward. The limit block 303 is installed on the lower fixed mold 30, so that the ejector plate 50 pushes the lower fixed mold 30 to move upward, thereby driving the lower mold core 301 to move upward. Since the inclined pull-out block 401 is connected to the pad 40 through a slide seat, the inclined pull-out block 401 is fixed when the lower mold core 301 moves upward, that is, the lower protrusions on the upper surfaces of the inclined pull-out blocks 401 on both sides are detached from the front shell; when the lower fixed mold 30 moves to the limit block 303 and touches the inclined surface of the upper side of the guide block 402 close to the lower fixed mold 30, the inclined surface of the guide block 402 pushes the limit block 303 to be compressed into the lower fixed mold 30 and disengage from the ejector plate, and the lower fixed mold 30 falls back onto the pad 40 under the action of gravity. A plurality of ejector blocks 302 are arranged on both sides of the lower mold core 301 near the guide hole, and a plurality of ejector rods 501 are arranged on the ejector plate 50. The ejector rods 501 can slide upward through the backing plate 40, the lower fixed mold 30, and the lower mold core 301 to connect the ejector blocks 302. Specifically, the ejector plate 50 pushes the lower fixed mold 30 upward while pushing the ejector rods 501 to push the ejector blocks 302 upward to push the front shell off from the forming block. The ejector blocks 302 moving upward can also prevent the arc-shaped parts on both sides of the front shell from being deformed by the oblique draw blocks 401.

[0034] Reference Figure 4 As shown, a plurality of ejector pins are further arranged on the ejector plate 50, and the ejector pins can slide through the backing plate 40, the lower fixed mold 30 and the lower mold core 301. Specifically, in the open mode, the ejector plate 50 pushes upward to drive the ejector pins to push the front shell 70 upward to fall off from the lower protrusion in the middle of the forming block, further assisting the demoulding effect.

[0035] 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 the front shell of an air purifier, Features: The invention comprises a panel, an upper movable mold, a lower fixed mold, a pad, an ejector plate and a base from top to bottom, wherein buckles are arranged on the sides of the lower fixed mold, the pad and the ejector 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, the upper mold core and the lower mold core constitute a molding cavity, a vertically upward glue inlet hot nozzle is arranged on the base, the upper mold core is provided with an arc-shaped groove, a plurality of upper protrusions are arranged on the arc-shaped groove, the lower mold core comprises a molding block protruding in the middle, inclined guide holes are opened on both sides of the molding block, an oblique draw block is arranged on the guide hole, a slide seat is installed on the pad, the oblique draw block is slidably installed on the slide seat, a plurality of lower protrusions are arranged on the upper end surface of the molding block and the upper surface of the oblique draw block, a plurality of ejector blocks are arranged on both sides of the lower mold core close to the guide hole, a plurality of ejector rods are arranged on the ejector plate, and the ejector rods can slide upward through the pad, the lower fixed mold and the lower mold core to connect the ejector block.

2. The molding die for the front shell of the air purifier according to claim 1, Features: The lower fixed die is provided with side forming blocks on both sides of the lower die core, and side forming grooves are opened on both sides of the lower die core.

3. The molding die for the front shell of the air purifier according to claim 1, Features: The ejector plate is further provided with a plurality of ejectors, and the ejectors can slidably pass through the backing plate, the lower fixed mold and the lower mold core.

4. The molding die for the front shell of the air purifier according to claim 1, Features: The buckle machine includes a top plate, a limit block and a guide block, wherein the guide block is installed on the side of the backing plate, the limit block is telescopically installed on the side of the lower fixed mold, and the top plate is installed on the ejector plate.

5. The molding die for the front shell of the air purifier according to claim 1, Features: Hydraulic cylinders are installed on both sides of the base, and piston rods of the hydraulic cylinders are connected to the ejector plates.

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