Manufacturing method of a decompression presser

Abstract

The application relates to a manufacturing and processing method of a decompression presser, which comprises the steps of mixing, sheeting, slicing, material placing, vulcanization and water hole removing; the vulcanization processing die used in the method comprises a lower die, a middle die and an upper die, the middle die is provided with a plurality of die grooves, the upper end surface of the lower die is provided with a lower forming convex part, the lower end surface of the upper die is provided with an upper forming convex platform, the upper forming convex platform is provided with an upper forming convex part, and the upper end surface of the middle die is provided with a lower forming concave platform; after the die is closed, the upper forming convex platform is pressed on the lower forming concave platform, and a presser plate main body forming gap space is formed between the lower forming convex part and the upper forming convex part; the lower forming convex part is provided with a plurality of convexes, and the upper forming convex part is provided with cavities corresponding to the convexes; after the die is closed, soft body forming spaces are formed between the convexes and the cavities; the decompression presser is manufactured through the manufacturing and processing method, and has the advantages of high production efficiency, low production cost, simple process, high finished product qualification rate and the like.

Description

TECHNICAL FIELD

[0002] The present application relates to the technical field of silica gel products, in particular to a manufacturing and processing method of a decompression presser. BACKGROUND

[0004] The manufacturing and processing method of the decompression presser of silica gel material 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 decompression presser is a problem to be solved by the present application. SUMMARY

[0006] To solve the above problems, the present application provides a manufacturing and processing method of a decompression presser, which has the advantages of high production efficiency, low production cost, simple process, high finished product qualification rate and the like.

[0007] To achieve the above object, the present application provides the following technical scheme:

[0008] A manufacturing and processing method of a decompression presser, the method is used for manufacturing the decompression presser, and the method comprises the following steps:

[0009] Step 1, mixing: obtaining each component raw material according to the following mass percentage and putting into a mixing machine to mix to obtain a first silica gel raw material;

[0010] Silica gel 97.5-98.5%;

[0011] Vulcanizing agent 1-2%;

[0012] Color masterbatch 0.5%;

[0013] Step 2, sheeting: the first silica gel raw material mixed in step 1 is subjected to sheeting treatment by the mixing machine, a rubber film is placed below the mixing machine during the sheeting process, and the rubber film is wrapped on the silica gel raw material and rolled into a cylindrical second silica gel raw material through the rotation of the machine;

[0014] Step 3, cutting: the cylindrical second silica gel raw material rolled in step 2 is laid flat on a cutting machine to cut according to the size requirement, to form a third silica gel raw material 5 in the form of a sheet;

[0015] Step 4, material placement: starting the vulcanizing machine to lower the middle mold 3 to the lower mold 2, and then placing the third silica gel raw material 5 cut in step 3 on the middle mold 3 of the vulcanizing machine;

[0016] Step 5, vulcanization: starting the vulcanizing machine to lower the upper mold 4 to press the mold and vulcanize the third silica gel raw material 5;

[0017] Step 6, water gate: after vulcanization, the upper mold 4 and the middle mold 3 are lifted in turn and the finished product is taken out, and the finished product is treated to remove the water gate to obtain the pressing plate body 1;

[0018] The middle mold 3 is provided with a plurality of mold grooves 31, the upper end surface of the lower mold 2 is provided with a plurality of upwardly protruding lower forming protrusions 22, the lower end surface of the upper mold 4 is provided with a downwardly protruding upper forming boss 42, the upper forming boss 42 is provided with an upper forming protrusion 43 corresponding to the lower forming protrusion 22, and the upper end surface of the middle mold 3 is provided with a lower forming recess 32 matched with the upper forming boss 42; after clamping, the upper forming boss 42 is pressed against the lower forming recess 32, and a pressing plate body forming gap space is formed between the lower forming protrusion 22 and the upper forming protrusion 43.

[0019] The lower forming protrusion 22 or the upper forming protrusion 43 is provided with a plurality of protrusions 21, and the upper forming protrusion 43 or the lower forming protrusion 22 is provided with a cavity 41 corresponding to the protrusion 21; a soft body forming space is formed between the protrusion 21 and the cavity 41 after clamping, and the soft body forming space is communicated with the pressing plate body forming gap space.

[0020] As a preferred embodiment, it is further limited that: the lower forming protrusion 22 is provided with a plurality of lower reinforcing rib forming grooves 23; the upper forming protrusion 43 is provided with a plurality of upper reinforcing rib forming grooves 44; after clamping, the lower forming protrusion 22 and the upper forming protrusion 43 extend into the mold groove 31 and form an annular reinforcing rib forming space between the lower forming protrusion 22, the upper forming protrusion 43 and the mold groove 31, and an inner reinforcing rib forming space is formed between the lower reinforcing rib forming groove 23 and the upper reinforcing rib forming groove 44; the annular reinforcing rib forming space is communicated with the pressing plate body forming gap space, and the inner reinforcing rib forming space is communicated with the pressing plate body forming gap space.

[0021] As a preferred embodiment, it is further limited that: the pressing plate body 1 is further provided with an annular protrusion 15 located outside the soft body 11, and an annular gap groove 16 is formed between the soft body 11 and the annular protrusion 15.

[0022] The upper end surface of the lower mold 2 is further provided with a lower annular groove 25 located outside the protrusion 21, and the upper end surface of the lower mold 2 is further provided with a lower annular boss 26 located between the protrusion 21 and the lower annular groove 25.

[0023] The lower end surface of the upper mold 4 is further provided with an upper annular groove 45 located outside the cavity 41, and the lower end surface of the upper mold 4 is further provided with an upper annular boss 46 located between the cavity 41 and the lower annular groove 25.

[0024] After the mold is closed, the lower annular groove 25 and the upper annular groove 45 form an annular protrusion forming space, the lower annular boss 26 and the upper annular boss 46 form an annular gap groove forming space, and the annular protrusion forming space and the annular gap groove forming space are in communication with the pressing plate body forming gap space.

[0025] As a preferred embodiment, it is further limited that the middle mold 3 is provided with a limiting groove 33, and the lower mold 2 is provided with a limiting block 24 matched with the limiting groove 33.

[0026] As a preferred embodiment, it is further limited that the mixing time in step 1 is 20-30 minutes.

[0027] As a preferred embodiment, it is further limited that the total weight of raw materials for each mixing is 50-60 kg.

[0028] 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 mold 4 is 200±20 tons.

[0029] As a preferred embodiment, it is further limited that 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℃.

[0030] As a preferred embodiment, it is further limited that the required raw materials in step 1 are obtained according to the following mass percentage:

[0031] Silica gel 98%;

[0032] Vulcanizing agent 1.5%;

[0033] Color masterbatch 0.5%.

[0034] The manufacturing method of the application is used for manufacturing the decompression presser, and comprises the steps of mixing, sheeting, slicing, 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 middle mold is provided with a plurality of mold grooves, the upper end surface of the lower mold is provided with a lower forming protruding part, the lower end surface of the upper mold is provided with an upper forming boss, the upper forming boss is provided with an upper forming protruding part, and the upper end surface of the middle mold is provided with a lower forming recess; after the mold is closed, the upper forming boss is pressed on the lower forming recess, and a pressing plate main body forming gap space is formed between the lower forming protruding part and the upper forming protruding part; the lower forming protruding part is provided with a plurality of protrusions, and the upper forming protruding part is provided with cavities corresponding to the protrusions; after the mold is closed, soft body forming spaces are formed between the protrusions and the cavities. The decompression presser manufactured by the manufacturing processing method has the advantages of high production efficiency, low production cost, simple process, high finished product qualification rate and the like. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 is a flow step diagram of the manufacturing processing method;

[0037] Figure 2 is one of structural schematic diagrams of the decompression presser;

[0038] Figure 3 is the other of structural schematic diagrams of the decompression presser;

[0039] Figure 4 is a sectional view of the decompression presser;

[0040] Figure 5 is a structural schematic diagram of the lower mold, the middle mold and the upper mold after the mold is closed;

[0041] Figure 6 is a structural exploded schematic diagram of the lower mold, the middle mold and the upper mold;

[0042] Figure 7 is a structural schematic diagram of the lower mold;

[0043] Figure 8 is Figure 7 is an enlarged schematic diagram of the middle A;

[0044] Figure 9 is one of structural schematic diagrams of the middle mold;

[0045] Figure 10 is the other of structural schematic diagrams of the middle mold;

[0046] Figure 11 is a structural schematic diagram of the upper mold;

[0047] Figure 12 is Figure 11 is an enlarged schematic diagram of the middle B;

[0048] Figure 13 is a structural schematic diagram of the third silica gel raw material placed on the middle mold in step 4.

DETAILED DESCRIPTION

[0050] The present application will be further described in detail below in combination with the drawings and specific embodiments:

[0051] As shown in the drawings Figure 1 to the drawings Figure 4 A manufacturing method of a decompression presser, the method is used for manufacturing a decompression presser, the decompression presser comprises a presser plate body 1, a plurality of soft bodies 11 capable of deforming when pressed are arranged on the presser plate body 1, the soft bodies 11 can form a convex shape on the front surface and form a notch shape on the back surface or form a notch shape on the front surface and form a convex shape on the back surface; the method comprises the following steps:

[0052] 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 is 50-60 kg;

[0053] Silica gel 97.5-98.5%;

[0054] Vulcanizing agent 1-2%;

[0055] Color masterbatch 0.5%;

[0056] 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 is placed under the mixing machine during the sheeting process, and the rubber film is wrapped on the silica gel raw material by the rotation of the machine and is rolled into a cylindrical second silica gel raw material;

[0057] 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 (length, width, height, etc.) to form a third silica gel raw material 5 in the form of a sheet;

[0058] Step 4, placing: the middle mold 3 is lowered to the lower mold 2 by starting the vulcanizing machine, and the third silica gel raw material 5 cut into a sheet in step 3 is placed on the middle mold 3 of the vulcanizing machine (as shown in the drawings Figure 13 );

[0059] Step 5, vulcanization: the upper mold 4 is pressed to close the mold by starting the vulcanizing machine, and the third silica gel raw material 5 is subjected to vulcanization processing; the vulcanization processing 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℃;

[0060] Step 6, water gate: after vulcanization, the upper mold 4 and the middle mold 3 are lifted in turn and the finished product is taken out, and the finished product is treated to remove the water gate to obtain the pressing plate body 1.

[0061] The manufacturing method has the advantages of high production efficiency, low production cost, simple process, and high finished product qualification rate.

[0062] In this embodiment, as shown in the accompanying drawings Figure 2 to the accompanying drawings Figure 4 As shown in the accompanying drawings, the edge of the pressing plate body 1 is provided with vertically distributed annular reinforcing ribs 12, and the pressing plate body 1 is provided with several transversely or longitudinally distributed inner reinforcing ribs 13, so that several pressing areas 14 for arranging the soft bodies 11 are formed in the pressing plate body 1, and the pressing area 14 is provided with at least one soft body 11; as shown in the accompanying drawings Figure 5 to the accompanying drawings Figure 12 As shown in the accompanying drawings, the middle mold 3 is provided with several mold grooves 31 matched with the pressing plate body 1, as shown in the accompanying drawings Figure 7 and the accompanying drawings Figure 8 As shown in the accompanying drawings, the upper end surface of the lower mold 2 is provided with several downwardly protruding lower forming protrusions 22 corresponding to the pressing areas 14, as shown in the accompanying drawings Figure 11 and the accompanying drawings Figure 12 As shown in the accompanying drawings, the lower end surface of the upper mold 4 is provided with a downwardly protruding upper forming boss 42, and the upper forming boss 42 is provided with an upper forming protrusion 43 corresponding to the lower forming protrusion 22, as shown in the accompanying drawings Figure 10 As shown in the accompanying drawings, the upper end surface of the middle mold 3 is provided with a lower forming recess 32 matched with the upper forming boss 42; after the mold is closed, the upper forming boss 42 is pressed against the lower forming recess 32, and the cooperation of the upper forming boss 42 and the lower forming recess 32 plays a limiting role to prevent the upper mold 4 from being pressed too much. The lower forming protrusion 22 and the upper forming protrusion 43 form a pressing plate body forming gap space therebetween;

[0063] The lower forming protrusion 22 or upper forming protrusion 43 is provided with a plurality of protrusions 21 which are matched with the shape of the soft body 11 and located in the vertical space within the mold groove 31. The upper forming protrusion 43 or lower forming protrusion 22 is provided with a plurality of cavities 41 which are matched with the shape of the soft body 11 and located in the vertical space within the mold groove 31. In the drawings of the embodiment, the upper end surface of the lower forming protrusion 22 is provided with a plurality of protrusions 21, and the lower end surface of the upper forming protrusion 43 is provided with a plurality of cavities 41. Of course, for ordinary replacement means, such as providing a plurality of cavities 41 on the upper end surface of the lower forming protrusion 22; the lower end surface of the upper forming protrusion 43 is provided with a plurality of protrusions 21. It is only an ordinary technical replacement means, which should fall within the protection scope of the patent. After the mold is closed, a soft body forming space is formed between the protrusions 21 and the cavities 41, which is in communication with the pressing plate body forming gap space. The structure is simple and the design is ingenious. The pressing plate body 1 and the soft body 11 can be formed by vulcanization processing.

[0064] As shown in the drawings, Figure 7 and the drawings, Figure 8 As shown in the drawings, a plurality of lower reinforcement forming grooves 23 are arranged on the lower forming protrusion 22 corresponding to the inner reinforcement 13. Figure 11 and the drawings, Figure 12 As shown in the drawings, a plurality of upper reinforcement forming grooves 44 are arranged on the upper forming protrusion 43 corresponding to the lower reinforcement forming grooves 23. After the mold is closed, the lower forming protrusion 22 and the upper forming protrusion 43 extend into the mold groove 31 and form an annular reinforcement forming space between the lower forming protrusion 22, the upper forming protrusion 43 and the mold groove 31. An inner reinforcement forming space is formed between the lower reinforcement forming grooves 23 and the upper reinforcement forming grooves 44. The annular reinforcement forming space is in communication with the pressing plate body forming gap space, and the inner reinforcement forming space is in communication with the pressing plate body forming gap space. The structure is simple and the design is ingenious. The annular reinforcement 12 and the inner reinforcement 13 can be formed by vulcanization processing.

[0065] In the embodiment, as shown in the drawings, Figure 2 to the drawings, Figure 4 As shown in the drawings, an annular protrusion 15 is arranged on the pressing plate body 1 outside the soft body 11, and an annular gap groove 16 is formed between the soft body 11 and the annular protrusion 15. Figure 7 and the drawings, Figure 8 As shown in the drawings, a lower annular groove 25 is arranged on the upper end surface of the lower mold 2 outside the protrusion 21, and a lower annular boss 26 is arranged on the upper end surface of the lower mold 2 between the protrusion 21 and the lower annular groove 25.Figure 11 and attached Figure 12 As shown, the lower end face of the upper mold 4 is also provided with an upper annular groove 45 located on the outer periphery of the cavity 41, and the lower end face of the upper mold 4 is also provided with an upper annular boss 46 located between the cavity 41 and the lower annular groove 25. After the mold is closed, the lower annular groove 25 and the upper annular groove 45 constitute an annular protrusion forming space for forming the annular protrusion 15, and the lower annular boss 26 and the upper annular boss 46 constitute an annular gap groove forming space for forming the annular gap groove 16. The structure is simple and the design is ingenious. The annular protrusion 15 and the annular gap groove 16 can be formed by vulcanization. In this embodiment, the bottom of the annular gap groove 16 is a flat groove. The annular protrusion 15 can play a role in strengthening the fixation, increasing the hardness of the outer periphery of the soft body 11, and making it more convenient to press the soft body 11.

[0066] In this embodiment, to ensure accurate positioning of the intermediate mold 3 when it is lowered into the lower mold 2, or to prevent displacement of the intermediate mold 3 during vulcanization, a limiting groove 33 is provided on the intermediate mold 3, and a limiting protrusion 24 adapted to the limiting groove 33 is provided on the lower mold 2. The limiting groove 33 and the limiting protrusion 24 cooperate to achieve the limiting between the intermediate mold 3 and the lower mold 2.

[0067] In this embodiment, as shown in the appendix Figure 6 As shown, this mold can produce 4 decompression presses per row, and there are a total of 3 rows. (See attached image) Figure 13 As shown, in step 4, three pieces of third silicone raw material 5 are placed on the middle mold 3, and each piece of third silicone raw material 5 covers one row of mold grooves 31 (4 mold grooves 31). This step method can effectively reduce the number of cutting operations and improve the efficiency of material placement.

[0068] In this embodiment, the required raw materials for each component are preferably obtained in the following mass percentages in step 1:

[0069] Silicone 98%;

[0070] Vulcanizing agent 1.5%;

[0071] Color masterbatch 0.5%.

[0072] In the drawings of the present embodiment, the upper end surface of the lower mold 2 is provided with a plurality of protrusions 21, and the lower end surface of the upper mold 4 is provided with a plurality of cavities 41. Of course, for common technical replacement means, the upper end surface of the lower mold 2 can be provided with a plurality of cavities 41, and the lower end surface of the upper mold 4 can be provided with a plurality of protrusions 21. Such common technical replacement means should fall within the protection scope of the present patent. Correspondingly, when the cavities 41 are provided on the upper forming protrusions 42, they can also be provided on the upper end surface of the lower mold 2, and the lower forming cavities 32 can also be provided on the lower end surface of the middle mold 3. Such common technical replacement means should fall within the protection scope of the present patent. Similarly, the limiting protrusions 24 can also be provided on the middle mold 3, and the limiting grooves 33 can be provided on the lower mold 2 or the upper mold 4. Or the limiting protrusions 24 are provided on the middle mold 3, and the limiting grooves 33 are provided on the middle mold 3. Such common technical replacement means should fall within the protection scope of the present patent.

Claims

1. A method for manufacturing a decompression pump, the method being used to manufacture a decompression pump, characterized in that... The method includes the following steps: Step 1, Mixing: Obtain the required component raw materials according to the following mass percentages and put them into a mixing machine for mixing to obtain the first silicone raw material; Silicone 97.5%–98.5%; Vulcanizing agent 1-2%; Color masterbatch 0.5%; Step 2, Sheeting: The first silicone raw material mixed in Step 1 is sheeted through a mixing machine. During the sheeting process, a film is placed under the mixing machine. The rotation of the machine allows the film to cover the silicone raw material and roll it into a cylindrical shape, forming the second silicone raw material. Step 3, Slicing: The second silicone raw material rolled into a cylindrical shape in step 2 is laid flat on the cutting machine and cut according to the size requirements to form a sheet-like third silicone raw material (5). Step 4, Material placement: Start the vulcanizing machine to lower the middle mold (3) onto the lower mold (2), and then place the third silicone raw material (5) cut into slices in step 3 onto the middle mold (3) of the vulcanizing machine; Step 5, vulcanization: Start the vulcanizing machine to press down the upper mold (4) to close the mold and vulcanize the third silicone raw material (5); Step 6, Dewatering: After vulcanization, the upper mold (4) and the middle mold (3) are lifted and the finished product is taken out in turn. The finished product is dewatered to obtain the main body of the pressing plate (1). The middle mold (3) is provided with a plurality of mold grooves (31), the upper end surface of the lower mold (2) is provided with a plurality of upwardly protruding lower forming protrusions (22), the lower end surface of the upper mold (4) is provided with a downwardly protruding upper forming boss (42), the upper forming boss (42) is provided with an upper forming protrusion (43) corresponding to the lower forming protrusions (22), the upper end surface of the middle mold (3) is provided with a lower forming recess (32) adapted to the upper forming boss (42); after the mold is closed, the upper forming boss (42) presses against the lower forming recess (32), and a pressing plate body forming gap space is formed between the lower forming protrusions (22) and the upper forming protrusions (43); The lower forming protrusion (22) or the upper forming protrusion (43) is provided with a plurality of protrusions (21), and the upper forming protrusion (43) or the lower forming protrusion (22) is provided with a cavity (41) corresponding to the protrusion (21); after the mold is closed, a soft body forming space is formed between the protrusion (21) and the cavity (41), and the soft body forming space is connected to the forming gap space of the pressing plate body; The lower forming protrusion (22) is provided with a plurality of lower reinforcing rib forming grooves (23); the upper forming protrusion (43) is provided with a plurality of upper reinforcing rib forming grooves (44); after the mold is closed, the lower forming protrusion (22) and the upper forming protrusion (43) extend into the mold groove (31) and form an annular reinforcing rib forming space between the lower forming protrusion (22), the upper forming protrusion (43) and the mold groove (31), and form an inner reinforcing rib forming space between the lower reinforcing rib forming groove (23) and the upper reinforcing rib forming groove (44). The annular reinforcing rib forming space is connected to the forming gap space of the main body of the pressing plate, and the inner reinforcing rib forming space is connected to the forming gap space of the main body of the pressing plate. The upper end face of the lower mold (2) is also provided with a lower annular groove (25) located on the outer periphery of the protrusion (21), and the upper end face of the lower mold (2) is also provided with a lower annular boss (26) located between the protrusion (21) and the lower annular groove (25). The lower end face of the upper mold (4) is also provided with an upper annular groove (45) located on the outer periphery of the cavity (41), and the lower end face of the upper mold (4) is also provided with an upper annular boss (46) located between the cavity (41) and the lower annular groove (25). After the mold is closed, the lower annular groove (25) and the upper annular groove (45) form an annular protrusion forming space, and the lower annular boss (26) and the upper annular boss (46) form an annular gap groove forming space. The annular protrusion forming space is connected to the forming gap space of the pressing plate body, and the annular gap groove forming space is connected to the forming gap space of the pressing plate body.

2. The manufacturing method of the decompression press according to claim 1, characterized in that: The middle mold (3) is provided with a limiting groove (33), and the lower mold (2) is provided with a limiting protrusion (24) that matches the limiting groove (33).

3. The manufacturing method of the decompression press according to claim 2, characterized in that: The mixing time in step 1 is 20-30 minutes.

4. The manufacturing method of the decompression press according to any one of claims 1-3, characterized in that: The total weight of raw materials for each mixing is 50-60 kg.

5. The manufacturing method of the decompression press according to any one of claims 1-3, characterized in that: The vulcanization process in step 5 takes 30-50 seconds, and the downward pressure of the upper mold (4) is 200±20 tons.

6. The manufacturing method of the decompression press according to any one of claims 1-3, characterized in that: In step 5, the heating temperature of the upper mold (4) is 180±20℃, and the heating temperature of the lower mold (2) is 200±20℃.

7. The manufacturing method of the decompression press according to any one of claims 1-3, characterized in that: In step 1, the required raw materials of each component are obtained according to the following mass percentages: Silicone 98%; Vulcanizing agent 1.5%; Color masterbatch 0.5%.

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