Method for manufacturing a silicone face washing brush

Abstract

The application relates to a manufacturing and processing method of a silica gel face brush, which comprises the following steps: mixing, sheet passing, sheet cutting, material placing, vulcanization and water hole removing; the vulcanization processing mold used in the method comprises a lower mold, a middle mold and an upper mold; the lower mold is provided with a plurality of arc-shaped cavities which are arranged in at least two rows in array distribution, and a through groove is arranged between every two rows of the arc-shaped cavities; the middle mold is provided with a connecting part and a plurality of extending parts located on the two sides of the connecting part; after the mold is closed, the extending parts are located between the arc-shaped cavities and the upper mold, and an arc-shaped part forming gap space is formed between the lower end and the side end of the extending parts and the arc-shaped cavities; a face washing plate forming gap space is formed between the upper end surface of the extending parts and the upper mold, and one end of the arc-shaped part forming gap space is communicated with one end of the face washing plate forming gap space; the upper mold is provided with a plurality of concave strips and concave points; the silica gel face brush is manufactured through the mold, and has the advantages of high production efficiency, low production cost, simple process, high qualified product rate and the like.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of silica gel products, in particular to a manufacturing and processing method of a silica gel face brush. BACKGROUND

[0002] The manufacturing and processing method of the silica gel face brush in the prior art is to integrally inject and form the silica gel solution into a mold, which has the disadvantages of low production efficiency, high production cost, complex process, high defect rate and the like; therefore, how to optimize and improve the manufacturing and processing method of the silica gel face brush is a problem to be solved by the present application. SUMMARY

[0003] To solve the above problems, the present application provides a manufacturing and processing method of a silica gel face brush, which has the advantages of high production efficiency, low production cost, simple process, high finished product qualification rate and the like.

[0004] To achieve the above object, the present application provides the following technical scheme:

[0005] A manufacturing and processing method of a silica gel face brush, which is used for manufacturing a silica gel face brush, the silica gel face brush comprising a face brush body 1, one end of the face brush body 1 being a washing brush part 11, a plurality of arrayed protrusions 12 and / or protrusions 13 being arranged on the washing brush part 11, the other end of the face brush body 1 being an arc-shaped part 14, and a protruding cavity 15 with an open lower end being formed in the face brush body 1; the method comprising the following steps:

[0006] Step 1, mixing: obtaining the required raw materials of each component according to the following mass percentage and putting them into a mixing machine to mix and obtain a first silica gel raw material;

[0007] Silica gel 97.5-98.5%;

[0008] Vulcanizing agent 1-2%;

[0009] Color masterbatch 0.5%;

[0010] Step 2, sheeting: sheeting the first silica gel raw material mixed in step 1 by a mixing machine, and putting a rubber film under the mixing machine during the sheeting process, so that the rubber film is wrapped on the silica gel raw material and rolled into a cylindrical second silica gel raw material by rotation of the machine;

[0011] Step 3, cutting: flattening the cylindrical second silica gel raw material rolled in step 2 onto a cutting machine according to the size requirement to cut the material and form a third silica gel raw material 5 in the form of a sheet;

[0012] Step 4, placing materials: first place the third silica gel raw material 5 cut into a sheet in step 3 on the lower mold 2 of the vulcanizing machine, then place the middle mold 3, and finally place the third silica gel raw material 5 cut into a sheet in step 3 on the middle mold 3;

[0013] Step 5, vulcanization: start the vulcanizing machine to make the upper mold 4 press down to close the mold and vulcanize the third silica gel raw material 5;

[0014] Step 6, removing the sprue: after vulcanization, the upper mold 4 is lifted, the finished product is sleeved on the middle mold 3, the middle mold 3 and the finished product are taken out, and the finished product is treated to remove the sprue to obtain the face washing brush body 1.

[0015] As a preferred embodiment, it is further limited that the lower mold 2 is provided with a plurality of arc-shaped cavities 21, the shape of the arc-shaped cavities 21 is matched with the shape of the arc-shaped part 14, and the plurality of arc-shaped cavities 21 are at least arrayed in two rows, and a through groove 22 is further provided between the two rows of arc-shaped cavities 21;

[0016] The middle mold 3 has a connecting part 32 which can be placed in the through groove 22 and supported by the through groove 22, and a plurality of extending parts 31 which are located on both sides of the connecting part 32 and matched with a plurality of arc-shaped cavities 21 one by one, and the shape of the extending part 31 is matched with the shape of the extending cavity 15;

[0017] After closing the mold, the extending part 31 is located between the arc-shaped cavity 21 and the upper mold 4, and an arc-shaped part forming gap space 140 is formed between the lower end and the side end of the extending part 31 and the arc-shaped cavity 21, and a washing plate forming gap space 110 is formed between the upper end surface of the extending part 31 and the upper mold 4, the arc-shaped part forming gap space 140 is used for forming the arc-shaped part 14, and the washing plate forming gap space 110 is used for forming the washing part 11; one end of the arc-shaped part forming gap space 140 and one end of the washing plate forming gap space 110 are connected to form a face washing brush body forming gap space 10, and the face washing brush body forming gap space 10 is used for forming the face washing brush body 1;

[0018] The upper mold 4 is provided with a plurality of arrayed recessed strips 41 and / or recessed points 42, the shape of the recessed strip 41 is matched with the shape of the protruding strip 12, and the shape of the recessed point 42 is matched with the shape of the protruding point 13, and after closing the mold, the recessed strip 41 and / or the recessed point 42 are connected with the washing plate forming gap space 110.

[0019] As a preferred embodiment, it is further limited that the upper end or the side end of the face washing brush body 1 is provided with an outward protruding hooking part 16, the hooking part 16 is provided with a hooking hole 17, the arc-shaped cavity 21 is provided with a downward protruding part 23 which protrudes upward, and the downward protruding part 23 is matched with the hooking hole 17.

[0020] As a preferred embodiment, it is further limited that the upper die 4 is also provided with an upper protruding part 43 corresponding to the lower protruding part 23, and after the mold is closed, the lower protruding part 23 and the upper protruding part 43 abut to form a hooking part forming space 160 in the arc-shaped cavity 21, which is adapted to the hooking part 16.

[0021] As a preferred embodiment, it is further limited that the lower die 2 is formed with a clamping block 24 between two adjacent arc-shaped cavities 21 in the same column, and the middle die 3 is formed with a clamping groove 33 adapted to the clamping block 24 between two adjacent protruding parts 31 in the same column; one end or both ends of the connecting part 32 protrude out of the through groove 22 to form a gripping part 34.

[0022] As a preferred embodiment, it is further limited that in step 4, a piece of third silica gel raw material 5 cut into a sheet in step 3 is first placed on each column of arc-shaped cavities 21, then the middle die 3 is placed to make the protruding part 31 press the third silica gel raw material 5 into the arc-shaped cavity 21, and finally a piece of third silica gel raw material 5 cut into a sheet in step 3 is placed on each column of protruding parts 31.

[0023] As a preferred embodiment, it is further limited that the mixing time in step 1 is 20-30 minutes, and the total weight of the raw materials for each mixing is 50-60 kg.

[0024] As a preferred embodiment, it is further limited that the vulcanization processing time in step 5 is 30-50 seconds, and the pressing pressure of the upper die 4 is 200±20 tons.

[0025] As a preferred embodiment, it is further limited that the heating temperature of the upper die 4 in step 5 is 180±20℃, and the heating temperature of the lower die 2 is 200±20℃.

[0026] As a preferred embodiment, it is further limited that in step 1, the required raw materials of each component are obtained according to the following mass percentage:

[0027] Silica gel 98%;

[0028] Vulcanizing agent 1.5%;

[0029] Color masterbatch 0.5%.

[0030] The beneficial effects of the present application are: the manufacturing and processing method of the present application is used for manufacturing a silica gel face washing brush, which comprises the steps of mixing, sheeting, slicing, placing materials, vulcanization and water removal, etc.; the vulcanization processing mold used in the method comprises a lower mold, a middle mold and an upper mold, the lower mold is provided with a plurality of arc-shaped cavities arranged in at least two rows, and a through groove is arranged between every two rows of arc-shaped cavities; the middle mold has a connecting part and a plurality of extending parts located on both sides of the connecting part; after the mold is closed, the extending parts are located between the arc-shaped cavities and the upper mold, and an arc-shaped part forming gap space is formed between the lower end and the side end of the extending parts and the arc-shaped cavities, a washing plate forming gap space is formed between the upper end surface of the extending parts and the upper mold, and one end of the arc-shaped part forming gap space is communicated with one end of the washing plate forming gap space; the upper mold is provided with a plurality of concave strips and concave points; the silica gel face washing brush is manufactured through the mold, and has the advantages of high production efficiency, low production cost, simple process, high qualified product rate and the like. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a flow step diagram of the manufacturing and processing method;

[0032] Figure 2 is a structure schematic diagram of the silica gel face washing brush;

[0033] Figure 3 is a structure schematic diagram of the silica gel face washing brush;

[0034] Figure 4 is a structure schematic diagram of the lower mold, the middle mold and the upper mold after the mold is closed;

[0035] Figure 5 is a structure exploded schematic diagram of the lower mold, the middle mold and the upper mold;

[0036] Figure 6 is a structure schematic diagram of the lower mold;

[0037] Figure 7 is a structure schematic diagram of the middle mold;

[0038] Figure 8 is a structure schematic diagram of the middle mold;

[0039] Figure 9 is a structure schematic diagram of the upper mold;

[0040] Figure 10 is Figure 9 an enlarged schematic diagram of the middle A;

[0041] Figure 11 is a structure schematic diagram of the third silica gel raw material placed on the lower mold in step 4;

[0042] Figure 12is a structural schematic view of the third silica gel raw material in step 4 placed on the middle mold;

[0043] Figure 13 is a schematic view of the positional relationship of the lower mold, the middle mold and the face brush body;

[0044] Figure 14 is a transverse sectional view of the lower mold, the middle mold and the upper mold after the molds are closed;

[0045] Figure 15 is Figure 14 is an enlarged schematic view at B. DETAILED DESCRIPTION

[0046] The present application will be further described in detail below in combination with the drawings and specific embodiments:

[0047] As shown in the accompanying Figure 1 to the accompanying Figure 3 A manufacturing and processing method of a silica gel face brush, which is used for manufacturing a silica gel face brush, the silica gel face brush comprising a face brush body 1, one end of the face brush body 1 being a washing part 11, a plurality of arrayed protrusions 12 and / or protrusions 13 being arranged on the washing part 11, the other end of the face brush body 1 being an arc-shaped part 14, and a protruding cavity 15 with an open lower end being formed in the face brush body 1; the method comprises the following steps:

[0048] Step 1, mixing: the required raw materials of each component are obtained according to the following mass percentage and are put into a mixing machine for mixing for 20-30 minutes to obtain a first silica gel raw material, the total weight of the raw materials for each mixing being 50-60 kg;

[0049] Silica gel 97.5-98.5%;

[0050] Vulcanizing agent 1-2%;

[0051] Color masterbatch 0.5%;

[0052] Step 2, sheeting: the first silica gel raw material mixed well in step 1 is subjected to sheeting treatment by a mixing machine, a rubber film being placed under the mixing machine during the sheeting process, the rubber film being wrapped on the silica gel raw material and being rolled into a cylindrical second silica gel raw material by the rotation of the machine;

[0053] Step 3, slicing: the second silica gel raw material rolled into a cylindrical shape in step 2 is laid flat on a cutting machine according to the size requirements (length, width, height, etc.) to form a third silica gel raw material 5 in the form of a sheet;

[0054] Step 4, Material Placement: First, place the third silicone raw material 5, which was cut into slices in step 3, on the lower mold 2 of the vulcanizing machine. Then, place it into the middle mold 3. Finally, place the third silicone raw material 5, which was cut into slices in step 3, into the middle mold 3. The silicone film needs to be removed in this step.

[0055] Step 5, vulcanization: Start the vulcanizing machine to press down the upper mold 4 and vulcanize the third silicone raw material 5; the vulcanization time is 30-50 seconds, the pressing pressure of the upper mold 4 is 200±20 tons; the heating temperature of the upper mold 4 is 180±20℃, and the heating temperature of the lower mold 2 is 200±20℃.

[0056] Step 6, Remove the sprue: After vulcanization, lift the upper mold 4, as shown in the attached diagram. Figure 12 The finished product shown is placed on the middle mold 3. The middle mold 3 and the finished product are removed, and the finished product is treated to remove the drain to obtain the face brush body 1.

[0057] The silicone facial cleansing brush manufactured using the above-described manufacturing method has advantages such as high production efficiency, low production cost, simple process, and high finished product qualification rate.

[0058] In this embodiment, as shown in the appendix Figure 4 To be continued Figure 6 As shown, the lower mold 2 is provided with a plurality of arc-shaped cavities 21, the shape of which is adapted to the arc-shaped portion 14. The plurality of arc-shaped cavities 21 are arranged in at least two columns, and a through groove 22 is provided between each two columns of arc-shaped cavities 21. In this embodiment, the plurality of arc-shaped cavities 21 are arranged in at least two columns, and the number of columns is even. Preferably, the plurality of arc-shaped cavities 21 are arranged in four columns.

[0059] As attached Figure 7 and attached Figure 8 As shown, the intermediate mold 3 has a connecting portion 32 that can be placed in and supported by the through groove 22, and a plurality of extending portions 31 located on both sides of the connecting portion 32 and adapted to the plurality of arc-shaped cavities 21. The shape of the extending portions 31 is adapted to the extending cavity 15; as shown in the attached figure. Figure 14 and attached Figure 15As shown, after the mold is closed, the extension part 31 is located between the arc-shaped cavity 21 and the upper mold 4, and an arc-shaped part forming gap space 140 is formed between the lower end and the side end of the extension part 31 and the arc-shaped cavity 21, and a washing plate forming gap space 110 is formed between the upper end surface of the extension part 31 and the upper mold 4, the arc-shaped part forming gap space 140 is used for forming the arc-shaped part 14, and the washing plate forming gap space 110 is used for forming the washing part 11. One end of the arc-shaped part forming gap space 140 and one end of the washing plate forming gap space 110 are connected to form a face brush body forming gap space 10; in order to facilitate the formation of the face brush body forming gap space 10, the upper end surface of the extension part 31 is lower than the upper end surface of the connecting part 32, and the size of the extension part 31 is smaller than the size of the arc-shaped cavity 21.

[0060] As shown in the accompanying drawings, Figure 9 The upper mold 4 is provided with a plurality of arrayed concave strips 41 and / or concave points 42, the shape of the concave strip 41 is matched with the convex strip 12, and the shape of the concave point 42 is matched with the convex point 13; after the mold is closed, the concave strip 41 and / or the concave point 42 are connected with the washing plate forming gap space 110. The mold can vulcanize a plurality of silica gel face brushes at a time, which effectively improves the production efficiency. In addition, in the accompanying drawings, Figure 13 and the accompanying drawings, Figure 14 In the accompanying drawings, a face brush body 1 is placed between the arc-shaped cavity 21 and the upper mold 4, which is used to show the specific position of the finished product between the arc-shaped cavity 21 and the upper mold 4 after vulcanization processing in step 5.

[0061] In this embodiment, the upper end or the side end of the face brush body 1 is provided with an outward convex hooking part 16, and the hooking part 16 is provided with a hooking hole 17 for hooking, which is convenient for storage and suspension, and can be selected according to actual needs. The arc-shaped cavity 21 is provided with an upward convex lower convex part 23, which is matched with the hooking hole 17. In order to more easily form the hooking hole 17 during vulcanization processing and demolding, the upper mold 4 is also provided with an upper convex part 43 corresponding to the lower convex part 23, and after the mold is closed, the lower convex part 23 and the upper convex part 43 are in contact, so that a hooking part forming space 160 matched with the hooking part 16 is formed in the arc-shaped cavity 21.

[0062] In this embodiment, in order to place the position more accurately when putting into the mold 3. As shown in the accompanying drawings, Figure 6 to the accompanying drawings, Figure 8As shown, the lower mold 2 is formed with a clamping block 24 between two adjacent arc-shaped cavities 21 in the same column, and the middle mold 3 is formed with a clamping groove 33 matching the clamping block 24 between two adjacent protruding portions 31 in the same column. The clamping groove 33 and the clamping block 24 are matched when the middle mold 3 is put in. In this embodiment, the arc-shaped cavities 21 are arranged in at least two columns, and the number of columns is even. In a more preferred embodiment, the arc-shaped cavities 21 are arranged in four columns. In order to facilitate the taking of the middle mold, one end or both ends of the connecting portion 32 protrude out of the through groove 22 to form a holding portion 34. Preferably, both ends of the connecting portion 32 protrude out of the through groove 22 to form a holding portion 34, which is more convenient for taking.

[0063] In this embodiment, as shown in the accompanying drawings, Figure 11 and the accompanying drawings, Figure 12 As shown, in step 4, a piece of the third silica gel raw material 5 cut into a piece in step 3 is first placed on each column of the arc-shaped cavities 21, then the middle mold 3 is put in so that the protruding portion 31 presses the third silica gel raw material 5 into the arc-shaped cavity 21, and finally a piece of the third silica gel raw material 5 cut into a piece in step 3 is placed on each column of the protruding portion 31. This step method can effectively reduce the number of cutting and improve the efficiency of placing the material.

[0064] In this embodiment, the required raw materials of each component are preferably obtained in the following mass percentage in step 1:

[0065] Silica gel 98%;

[0066] Vulcanizing agent 1.5%;

[0067] Color masterbatch 0.5%.

Claims

1. A method for manufacturing a silicone face wash brush, the method for manufacturing a silicone face wash brush, characterized by The method comprises the following steps: Step 1, mixing: obtain the required raw materials of each component according to the following mass percentage and put them into a mixing machine for mixing to obtain a first silica gel raw material; Silica gel 97.5-98.5%; Vulcanizing agent 1-2%; Color masterbatch 0.5%; Step 2, sheeting: the first silica gel raw material mixed in step 1 is sheeted by a mixing machine, and a film is placed under the mixing machine during the sheeting process. The film is wrapped around the silica gel raw material by the rotation of the machine and rolled into a cylindrical second silica gel raw material; Step 3, slicing: the cylindrical second silica gel raw material rolled in step 2 is laid flat on a cutting machine according to the size requirements to form a third silica gel raw material (5) in the form of a sheet; Step 4, placing: first place the third silica gel raw material (5) cut into a sheet in step 3 on the lower mold (2) of the vulcanizing machine, then place the middle mold (3), and finally place the third silica gel raw material (5) cut into a sheet in step 3 on the middle mold (3); Step 5, vulcanization: start the vulcanizing machine to press the upper mold (4) down to close the mold and vulcanize the third silica gel raw material (5); Step 6, water port removal: after vulcanization, the upper mold (4) is lifted, the finished product is sleeved on the middle mold (3), the middle mold (3) and the finished product are taken out, and the finished product is subjected to water port removal treatment to obtain a face washing brush body (1); The lower mold (2) is provided with a plurality of arc-shaped cavities (21), and the plurality of arc-shaped cavities (21) are at least arrayed in two rows, and a through groove (22) is further arranged between every two rows of arc-shaped cavities (21); The middle mold (3) has a connecting portion (32) capable of being placed in the through groove (22) and supported thereby, and a plurality of extending portions (31) located on both sides of the connecting portion (32) and matched with a plurality of arc-shaped cavities (21) one by one; after closing, the extending portion (31) is located between the arc-shaped cavity (21) and the upper mold (4), and an arc-shaped portion forming gap space (140) is formed between the lower end and the side end of the extending portion (31) and the arc-shaped cavity (21), and a washing plate forming gap space (110) is formed between the upper end surface of the extending portion (31) and the upper mold (4), one end of the arc-shaped portion forming gap space (140) and one end of the washing plate forming gap space (110) are communicated to form a face washing brush body forming gap space (10); The upper mold (4) is provided with a plurality of arrayed recessed strips (41) and / or recessed points (42), and the recessed strips (41) and / or recessed points (42) are communicated with the washing plate forming gap space (110) after closing; The arc-shaped cavity (21) is provided with a lower protruding portion (23) protruding upward, and the upper mold (4) is provided with an upper protruding portion (43) corresponding to the lower protruding portion (23), and the lower protruding portion (23) and the upper protruding portion (43) abut after closing to form a hooking portion forming space (160) in the arc-shaped cavity (21); The lower mold (2) is formed with a clamping block (24) between two adjacent arc-shaped cavities (21) in the same column, the middle mold (3) is formed with a clamping groove (33) matched with the clamping block (24) between two adjacent protruding portions (31) in the same column; one end or both ends of the connecting portion (32) protrude out of the through groove (22) to form a holding portion (34). The upper end surface of the protruding portion (31) is lower than the upper end surface of the connecting portion (32).

2. The method of claim 1, wherein the method further comprises: The arc-shaped cavities (21) are arranged in at least two columns, and the number of columns is an even number.

3. The method of claim 1 or 2, wherein the method further comprises the step of: In step 4, a piece of the third silica gel raw material (5) cut into a piece in step 3 is placed on each column of the arc-shaped cavities (21) first, then the middle mold (3) is placed to make the protruding portion (31) press the third silica gel raw material (5) into the arc-shaped cavity (21), and finally a piece of the third silica gel raw material (5) cut into a piece in step 3 is placed on each column of the protruding portion (31). ​ 4. The method of claim 3, wherein the method further comprises the step of: 4.

1. applying a layer of silicone gel to the outer surface of the foam body. The mixing time in step 1 is 20-30 minutes, and the total weight of the raw materials for each mixing is 50-60 kg.

5. The method of claim 4, wherein the method further comprises the step of: The vulcanization processing time in step 5 is 30-50 seconds, and the pressing pressure of the upper mold (4) is 200±20 tons. ​ 6. The method of claim 5, wherein the method further comprises the step of: 6.

1. applying a layer of silicone to the outer surface of the foam layer. The heating temperature of the upper mold (4) in step 5 is 180±20℃, and the heating temperature of the lower mold (2) is 200±20℃.

7. The method of claim 1 or 2 or 4 or 5 or 6, wherein In step 1, the required raw materials of each component are obtained according to the following mass percentage: Silica gel 98%; Vulcanizing agent 1.5%; Color masterbatch 0.5%.

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