Molding die with embedded magnet

Abstract

The utility model provides a forming die with an embedded magnet piece, which comprises a panel, a base plate, an upper movable die, a lower fixed die, an ejector plate and a bottom plate from top to bottom, 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, and the lower die core is provided with a first forming groove and a second forming groove. The upper mold core is provided with a third forming groove and a fourth forming groove which correspond to the first forming groove and the second forming groove, a first forming block is embedded in the first forming groove, the first forming groove and the third forming groove form a first cavity, and the second forming groove and the fourth forming groove form a second cavity. During mold closing, hot melt glue enters the first cavity to form a half of a product, the first forming block forms the groove, then the half of the product is placed in the second forming groove, the magnet insert is embedded into the groove, glue is injected into the second cavity, and then the magnet insert is completely wrapped in the product. And the firmness of the magnet and the aesthetic property of the product appearance are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a mould field, specifically, relate to a forming die of embedded magnet part. BACKGROUND

[0002] The mould is used to make the tool of forming product, the product of different shape is made through the different shape of mould, such as Figures 1-2 The switch button part shown in the figure, the magnet part is embedded inside, in order to beautiful and firm magnet is all wrapped in the inside of part, the traditional injection molding is placed inlay piece in mould again carries out injection molding, so this will appear inlay piece can not be completely wrapped, especially magnet inlay piece is more easily attached in one side in the mould forming cavity, cannot be positioned and lead to magnet inlay piece one side is exposed outside part after injection molding, influence its beautiful and firmness, therefore, urgently need a kind of for solving embedded magnet inlay piece injection molding forming die. UTILITY MODEL CONTENT

[0003] The utility model provides a kind of embedded magnet part's 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 embedded magnet part's forming die, including from top to bottom panel, backing plate, upper movable die, lower fixed die, ejector pin plate and bottom plate, the upper movable die bottom embedded upper die insert, the lower fixed die embedded lower die insert, the lower die insert is opened with first forming groove and second forming groove, the upper die insert is opened with the third forming groove and the fourth forming groove corresponding with the first forming groove and the second forming groove, the first forming groove is embedded with first forming block, the first forming groove and the third forming groove constitute first cavity, the second forming groove and the fourth forming groove constitute second cavity.

[0005] Further, the first forming groove is provided with a second forming block on one side of the first forming block, and the fourth forming groove is embedded with a positioning block.

[0006] Further, the lower die insert is further provided with a fifth forming groove and a sixth forming groove in the shape of a cross, the upper die insert is further provided with a seventh forming groove and an eighth forming groove in the shape of a cross, and the seventh forming groove is provided with a third forming block.

[0007] Further, the lower die insert is provided with a plurality of overflow grooves, and the overflow grooves are connected with the first forming groove and the fifth forming groove.

[0008] Further, the first forming groove, the second forming groove, the fifth forming groove and the sixth forming groove are further provided with ejector pins at the bottom, and the lower ends of the ejector pins are slidably connected to the ejector pin plate through the lower fixed die.

[0009] Further, the gusset plate and the side of the lower fixed die are provided with a fixed plate.

[0010] Compared with the prior art, the utility model has the advantages of:

[0011] The utility model discloses a top-down panel, gusset plate, upper movable die, lower fixed die, thimble plate and bottom plate, the upper movable die bottom embeds the upper die kernel, and the lower fixed die embeds the lower die kernel, and the lower die kernel is opened with first forming groove and second forming groove, and the upper die kernel is opened with third forming groove and fourth forming groove corresponding with first forming groove and second forming groove, and first forming block is inbeded in first forming groove, and first forming groove and third forming groove constitute first cavity, and second forming groove and fourth forming groove constitute second cavity. When the mold is closed, the hot melt adhesive enters first cavity and forms half of the product, and first forming block forms the recess, then half of the product is placed in second forming groove, and the magnet insert is embedded in the recess, and then the second cavity is injected with glue, and half of the product and the recess with the magnet are formed, and the magnet is injected with glue, and the magnet insert is completely wrapped in the product, and the firmness of the magnet and the appearance of the product are improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as the limitation to the scope, and for the ordinary skilled in the art, other related drawings can be obtained without the creative labor on the basis of the drawings.

[0013] Figure 1 It is the structure schematic diagram of the switch button part;

[0014] Figure 2 It is the internal structure schematic diagram of the switch button part;

[0015] Figure 3 It is the structure schematic diagram of the forming die of the embedded magnet piece;

[0016] Figure 4 It is the structure schematic diagram of the lower fixed die of the forming die of the embedded magnet piece;

[0017] Figure 5 It is the structure schematic diagram of the upper movable die of the forming die of the embedded magnet piece;

[0018] Figure 6 It is the structure schematic diagram of the lower die kernel of the forming die of the embedded magnet piece;

[0019] Figure 7 It is the structure schematic diagram of the upper die kernel of the forming die of the embedded magnet piece.

[0020] Explanation of main element symbols

[0021] 10, panel;

[0022] 20, backing plate;

[0023] 30, upper movable mold; 301, upper mold core; 3011, third forming groove; 3012, fourth forming groove; 3013, seventh forming groove; 3014, eighth forming groove; 3015, third forming block; 3016, positioning block;

[0024] 40, lower stationary mold; 401, lower mold core; 4011, first forming groove; 4012, second forming groove; 4013, fifth forming groove; 4014, sixth forming groove; 4015, first forming block; 4016, second forming block;

[0025] 50, ejector plate;

[0026] 60, bottom plate;

[0027] 70, switch button part. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application.

[0029] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integral; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0030] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them. Moreover, first feature "on", "above" and "on" second feature includes that first feature is directly above and obliquely above second feature, or only indicates that horizontal height of first feature is higher than second feature. First feature "under", "below" and "under" second feature includes that first feature is directly below and obliquely below second feature, or only indicates that horizontal height of first feature is less than second feature.

[0031] Embodiment

[0032] Refer to Figures 3-7 The utility model discloses a T type support forming die, including from top to bottom panel 10, backing plate 20, upper movable mould 30, lower fixed mould 40, ejector plate 50 and bottom plate 60, the bottom embedding upper mould core 301 of upper movable mould 30, embedding lower mould core 401 of lower fixed mould 40, and the lower mould core 401 is opened first forming groove 4011 and second forming groove 4012, and the upper mould core 301 is opened third forming groove 3011 and fourth forming groove 3012 corresponding with first forming groove 4011 and second forming groove 4012, and first forming block 4015 is inbedded in first forming groove 4011, and first forming groove 4011 and third forming groove 3011 constitute first cavity, and second forming groove 4012 and fourth forming groove 3012 constitute second cavity. Specifically, when closing, hot melt adhesive forms half of the part in first cavity, and first forming block 4015 forms the recess of half product, is used for placing the positioning magnet, and simultaneously, first forming groove 4011 sets up second forming block 4016 on one side of first forming block 4015, and forms the positioning groove of half product, after injection molding, upper mould core 301 and lower mould core 401 are separated and take out half product and place in second forming groove 4012, and the magnet insert is placed in the recess of half product and is fixed, and fourth forming groove 3012 embeds positioning block 3016, and the positioning groove of half product is aligned positioning block 3016, guarantees that fourth forming groove 3012 and second forming groove 4012 are accurately closed, and after closing, hot melt adhesive is injected into second cavity, and the other half of the product is formed, and the magnet is wrapped simultaneously, that is, the injection molding switch button part 70 of the part of inlaid magnet is completed.

[0033] Refer to Figures 3-7As shown, the lower die core 401 is further provided with a fifth forming groove 4013 and a sixth forming groove 4014 in the shape of a cross, and the upper die core 301 is further provided with a seventh forming groove 3013 and an eighth forming groove 3014 in the shape of a cross, and the seventh forming groove 3013 is provided with a third forming block 3015. Specifically, when the mold is closed, the fifth forming groove 4013 and the seventh forming groove 3013 are closed to form a half of a part product in the shape of a cross, and the third forming block 3015 is used to form a groove for embedding a magnet, then the half product is taken out and placed in the sixth forming groove 4014, the magnet is placed in the groove, and then the eighth forming groove 3014 is closed and glue is injected, that is, the glue injection molding of the magnet of another switch button part 70 is formed, and a set of mold simultaneously forms two kinds of switch button parts 70, improving the production efficiency.

[0034] Further, the lower die core 401 is provided with a plurality of glue overflow grooves, and the glue overflow grooves are communicated with the first forming groove 4011 and the fifth forming groove 4013, and the hot melt glue can overflow from the glue overflow grooves to ensure the quality of the product.

[0035] In the embodiment, the bottom of the first forming groove 4011, the second forming groove 4012, the fifth forming groove 4013 and the sixth forming groove 4014 is further provided with a ejector pin, and the lower end of the ejector pin is slidably connected to the ejector pin plate 50 through the lower die 40. Specifically, when the mold is opened, the upper die core 301 and the lower die core 401 are separated, the ejector pin plate 50 pushes the ejector pin to push the product out of the first forming groove 4011, the second forming groove 4012, the fifth forming groove 4013 and the sixth forming groove 4014, that is, half of the product is pushed out of the first forming groove 4011 and the fifth forming groove 4013, and at the same time, the product completed by injection molding is taken out of the second forming groove 4012 and the sixth forming groove 4014.

[0036] In addition, the side surface of the cushion plate 20 and the lower die 40 is provided with a fixed plate, and when the mold is closed and injection molding is performed, the fixed plate is used to lock and fix the cushion plate 20 and the lower die 40, preventing the pressure of the injected glue from causing a gap between the upper die core 301 and the lower die core 401, and causing the product to have burrs.

[0037] The above is only a preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. 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 molding die for embedding a magnet, characterized in that: The assembly includes, from top to bottom, a panel, a backing plate, an upper moving mold, a lower fixed mold, an ejector plate, and a base plate. An upper mold core is embedded at the bottom of the upper moving mold, and a lower mold core is embedded in the lower fixed mold. The lower mold core has a first forming groove and a second forming groove. The upper mold core has a third forming groove and a fourth forming groove corresponding to the first forming groove and the second forming groove. A first forming block is embedded in the first forming groove. The first forming groove and the third forming groove form a first cavity, and the second forming groove and the fourth forming groove form a second cavity.

2. The molding die for the embedded magnet component according to claim 1, characterized in that: The first forming groove has a second forming block on one side of the first forming block, and the fourth forming groove has a positioning block embedded in it.

3. The molding die for the embedded magnet component according to claim 1, characterized in that: The lower mold core is further provided with a fifth and a sixth forming groove in the shape of a cross, and the upper mold core is further provided with a seventh and an eighth forming groove in the shape of a cross. The seventh forming groove is provided with a third forming block.

4. The molding die for the embedded magnet component according to claim 3, characterized in that: The lower mold core has several overflow grooves, which connect the first molding groove and the fifth molding groove.

5. The molding die for the embedded magnet component according to claim 3, characterized in that: Ejector pins are further provided at the bottom of the first molding groove, the second molding groove, the fifth molding groove, and the sixth molding groove. The lower end of the ejector pin can slide through the lower mold and connect to the ejector plate.

6. The molding die for the embedded magnet component according to claim 1, characterized in that: The pad and the side mounting plate of the lower mold are fixed.

Images