Manufacturing method of split decompression presser

Abstract

The application relates to a manufacturing and processing method of a split decompression presser, and the split decompression presser comprises a main presser plate and at least one auxiliary presser plate. The method comprises steps of mixing, sheeting, slicing, material placing, vulcanization and water hole removing. The main presser plate is processed by batch vulcanization of a first lower mold, a first middle mold and a first middle mold. The auxiliary presser plate is processed by batch vulcanization of a second lower mold, a second middle mold and a second middle mold. The split decompression presser is manufactured by the manufacturing and processing method, 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 split type decompression presser. BACKGROUND

[0002] The manufacturing and processing method of the split type decompression presser of silica gel material in the prior art is to inject silica gel solution into a mold for one-piece injection molding, 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

[0003] To solve the above problems, the present application provides a manufacturing and processing method of a split type decompression presser, 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 split type decompression presser, which is used for manufacturing the split type decompression presser, the split type decompression presser comprising a main presser plate 1 and at least one auxiliary presser plate 2, the main presser plate 1 being provided with a plurality of first soft bodies 10 capable of being deformed when pressed, the auxiliary presser plate 2 being provided with a plurality of second soft bodies 20 capable of being deformed when pressed, the first soft bodies 10 and the second soft bodies 20 each being capable of forming a convex shape on the front surface and a notch shape on the back surface or forming a notch shape on the front surface and a convex shape on the back surface, the main presser plate 1 being provided with a fitting groove 11 penetrating through and matched with the auxiliary presser plate 2, and the auxiliary presser plate 2 being detachably embedded in the fitting groove 11; the method comprising the following steps:

[0006] Step 1, mixing: obtaining each component raw material in the following mass percentage and putting into a mixing machine for mixing to 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 treatment of the first silica gel raw material mixed in step 1 is performed by a mixing machine, and a rubber film is placed 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, slicing: the second silica gel raw material rolled into a cylindrical shape in step 2 is laid on a cutting machine to cut according to the size requirement, forming a third silica gel raw material 3 in the form of a sheet;

[0012] Step 4, placing: start the first vulcanizing machine to lower the first middle mold 5 to the first lower mold 4, and then place the third silica gel raw material 3 cut into a sheet in step 3 on the first middle mold 5 of the first vulcanizing machine; and / or start the second vulcanizing machine to lower the second middle mold 8 to the second lower mold 7, and then place the third silica gel raw material 3 cut into a sheet in step 3 on the second middle mold 8 of the second vulcanizing machine;

[0013] Step 5, vulcanization: start the first vulcanizing machine to lower the first upper mold 6 to close the mold and vulcanize the third silica gel raw material 3; and / or start the second vulcanizing machine to lower the second upper mold 9 to close the mold and vulcanize the third silica gel raw material 3;

[0014] Step 6, water gate removal: after the vulcanization of the first vulcanizing machine is completed, the first upper mold 6 and the first middle mold 5 are lifted in turn and the first finished product is taken out, and the first finished product is subjected to water gate removal treatment to obtain the main pressing plate 1; and / or after the vulcanization of the second vulcanizing machine is completed, the second upper mold 9 and the second middle mold 8 are lifted in turn and the second finished product is taken out, and the second finished product is subjected to water gate removal treatment to obtain the auxiliary pressing plate 2.

[0015] Step 7, assembly: the auxiliary pressing plate 2 obtained by water gate removal in step 6 is assembled on the main pressing plate 1.

[0016] As a preferred embodiment, it is further limited that the edge of the main pressing plate 1 is provided with a first annular reinforcing rib 12 extending vertically upward and downward;

[0017] The upper end surface of the first lower mold 4 is provided with a plurality of downwardly protruding lower main pressing plate forming protrusions 41, the lower main pressing plate forming protrusions 41 are provided with lower assembly groove forming protrusions 42 and first cavities 40 or first protrusions 60 matched with the shape of the first soft body 10;

[0018] The lower end surface of the first upper mold 6 is provided with a plurality of upwardly protruding upper main pressing plate forming protrusions 61 corresponding to the lower main pressing plate forming protrusions 41, the upper main pressing plate forming protrusions 61 are provided with upper assembly groove forming protrusions 62 corresponding to the lower assembly groove forming protrusions 42 and first protrusions 60 or first cavities 40 matched with the shape of the first soft body 10;

[0019] The first middle mold 5 is provided with a first mold groove 51 matched with the shape of the main pressing plate 1;

[0020] The lower main pressing plate forming protrusion 41 and the upper main pressing plate forming protrusion 61 of the mold after closing respectively extend into the first mold groove 51 and form a main pressing plate forming space in the first mold groove 51 for forming the main pressing plate 1; a first annular reinforcing rib forming space for forming the first annular reinforcing rib 12 is formed between the outer side wall of the lower main pressing plate forming protrusion 41, the outer side wall of the upper main pressing plate forming protrusion 61 and the inner side wall of the first mold groove 51; a first soft body forming space for forming the first soft body 10 is formed between the first cavity 40 and the first protrusion 60; the lower assembly groove forming protrusion 42 and the upper assembly groove forming protrusion 62 abut in the first mold groove 51, and the first annular reinforcing rib forming space and the first soft body forming space are respectively communicated with the main pressing plate forming space.

[0021] As a preferred embodiment, it is further limited that the edge of the auxiliary pressing plate 2 is provided with a second annular reinforcing rib 21 extending vertically upward and downward;

[0022] The upper end surface of the second lower mold 7 is provided with a plurality of downward protruding lower auxiliary pressing plate forming protrusions 71, and the lower auxiliary pressing plate forming protrusions 71 are provided with second protrusions 70 or second cavities 90 matched with the shape of the second soft body 20;

[0023] The lower end surface of the second upper mold 9 is provided with a plurality of upward protruding upper auxiliary pressing plate forming protrusions 91 corresponding to the lower auxiliary pressing plate forming protrusions 71, and the upper auxiliary pressing plate forming protrusions 91 are provided with second cavities 90 or second protrusions 70 matched with the shape of the second soft body 20;

[0024] The second middle mold 8 is provided with a second mold groove 81 matched with the shape of the auxiliary pressing plate 2;

[0025] The lower auxiliary pressing plate forming protrusion 71 and the upper auxiliary pressing plate forming protrusion 91 respectively extend into the second mold groove 81 after the mold is closed, and a auxiliary pressing plate forming space for forming the auxiliary pressing plate 2 is formed in the second mold groove 81; a second annular reinforcing rib forming space for forming the second annular reinforcing rib 21 is formed between the outer side wall of the lower auxiliary pressing plate forming protrusion 71, the outer side wall of the upper auxiliary pressing plate forming protrusion 91 and the inner side wall of the second mold groove 81; a second soft body forming space for forming the second soft body 20 is formed between the second cavity 90 and the second protrusion 70, and the second annular reinforcing rib forming space and the second soft body forming space are respectively communicated with the auxiliary pressing plate forming space.

[0026] As a preferred embodiment, it is further limited that the main pressing plate 1 is further provided with an inner annular reinforcing rib 13 extending upward and / or downward along the edge of the assembly groove 11; one side of the second annular reinforcing rib 21 extends outward to form a transverse connecting portion 22, and the outer edge of the transverse connecting portion 22 is provided with a vertical flange portion 23, so that a clamping groove 24 is formed between the vertical flange portion 23 and the second annular reinforcing rib 21, and the upper side or lower side of the inner annular reinforcing rib 13 is inserted into the clamping groove 24 after assembly, so that the auxiliary pressing plate 2 is inlaid in the assembly groove 11.

[0027] The lower main pressing plate forming protrusion 41 is further provided with a first lower reinforcing rib forming groove 43 annularly arranged outside the lower assembly groove forming protrusion 42, and the upper main pressing plate forming protrusion 61 is further provided with a first upper reinforcing rib forming groove 63 annularly arranged outside the upper assembly groove forming protrusion 62, and the first lower reinforcing rib forming groove 43 and the first upper reinforcing rib forming groove 63 constitute an inner annular reinforcing rib forming space for forming the inner annular reinforcing rib 13 after mold closing, and the inner annular reinforcing rib forming space is in communication with the main pressing plate forming space.

[0028] The upper end face or lower end face of the second mold 8 is provided with a vertical flange portion forming groove annularly arranged outside the second mold groove 81, and the outer side wall surface of the vertical flange portion forming groove is higher than the inner side wall surface, so that the upper end of the vertical flange portion forming groove constitutes a transverse connecting portion forming space for forming the transverse connecting portion 22 after mold closing, and the transverse connecting portion forming space is in communication with the auxiliary pressing plate forming space. After assembly, the lower side end face or upper side end face of the inner annular reinforcing rib 13 is flush with the other side end face of the second annular reinforcing rib 21.

[0029] As a preferred embodiment, it is further limited that: the upper and lower surfaces of the main pressing plate 1 are both provided with a first annular protrusion 14 located at the outer periphery of the first soft body 10, and a first annular gap groove 15 is formed between the first soft body 10 and the first annular protrusion 14; the upper end surface of the first lower mold 4 is further provided with a first lower annular groove 44 located at the outer periphery of the first cavity 40 or the first protrusion 60 and a first lower annular boss 45 located between the first lower annular groove 44 and the first cavity 40 or the first protrusion 60; the lower end surface of the first upper mold 6 is further provided with a first upper annular groove 64 located at the outer periphery of the first protrusion 60 or the first cavity 40 and a first upper annular boss 65 located between the first upper annular groove 64 and the first protrusion 60 or the first cavity 40; after the molds are closed, the first lower annular groove 44 and the first upper annular groove 64 form a first annular protrusion forming space for forming the first annular protrusion 14, and the first lower annular boss 45 and the first upper annular boss 65 form a first annular gap groove forming space for forming the first annular gap groove 15, which are respectively communicated with the main pressing plate forming space;

[0030] The upper and lower surfaces of the auxiliary pressing plate 2 are both provided with a second annular protrusion 25 located at the outer periphery of the second soft body 20, and a second annular gap groove 26 is formed between the second soft body 20 and the second annular protrusion 25; the upper end surface of the second lower mold 7 is further provided with a second lower annular groove 72 located at the outer periphery of the second protrusion 70 or the second cavity 90 and a second lower annular boss 73 located between the second lower annular groove 72 and the second protrusion 70 or the second cavity 90; the lower end surface of the second upper mold 9 is further provided with a second upper annular groove 92 located at the outer periphery of the second cavity 90 or the second protrusion 70 and a second upper annular boss 93 located between the second upper annular groove 92 and the second cavity 90 or the second protrusion 70; after the molds are closed, the second lower annular groove 72 and the second upper annular groove 92 form a second annular protrusion forming space for forming the second annular protrusion 25, and the second lower annular boss 73 and the second upper annular boss 93 form a second annular gap groove forming space for forming the second annular gap groove 26, which are respectively communicated with the auxiliary pressing plate forming space.

[0031] As a preferred implementation manner, it is further limited that the auxiliary pressing plate 2 is provided with at least one inner connecting reinforcing rib 27, both ends of the inner connecting reinforcing rib 27 are connected with the second reinforcing rib 21 respectively, and the inner connecting reinforcing rib 27 separates the second soft bodies 20; the upper end surface of the second lower mold 7 is further provided with a second lower reinforcing rib forming groove 74, the lower end surface of the second upper mold 9 is further provided with a second upper reinforcing rib forming groove 94 corresponding to the second lower reinforcing rib forming groove 74, and the second lower reinforcing rib forming groove 74 and the second upper reinforcing rib forming groove 94 form an inner connecting reinforcing rib forming space for forming the inner connecting reinforcing rib 27 after the molds are closed, and the inner connecting reinforcing rib forming space is communicated with the auxiliary pressing plate forming space.

[0032] As a preferred implementation manner, it is further limited that the upper end surface of the first lower mold 4 or the lower end surface of the first upper mold 6 is provided with at least one first limiting boss part 46, the first limiting boss part 46 is provided with a plurality of lower main pressing plate forming protruding parts 41, and the lower end surface or the upper end surface of the first middle mold 5 is provided with a first limiting recess part 52 matched with the first limiting boss part 46.

[0033] As a preferred implementation manner, it is further limited that the mixing time in step 1 is 20-30 minutes, and the total weight of the raw materials in each mixing is 50-60 kg.

[0034] As a preferred implementation manner, it is further limited that the vulcanization processing time in step 5 is 30-50 seconds, the pressing pressure of the first upper mold 6 and the second upper mold 9 is 200±20 tons, the heating temperature of the first upper mold 6 and the second upper mold 9 is 180±20℃, and the heating temperature of the first lower mold 4 and the second lower mold 7 is 200±20℃.

[0035] As a preferred implementation manner, it is further limited that the required raw materials in step 1 are obtained according to the following mass percentage:

[0036] Silica gel 98%;

[0037] Vulcanizing agent 1.5%;

[0038] Color masterbatch 0.5%.

[0039] The present application has the following beneficial effects:

[0040] 1. The manufacturing method of the present application is used for manufacturing a split decompression presser, which comprises a main presser plate and at least one auxiliary presser plate, and comprises the steps of mixing, sheeting, slicing, material placing, vulcanization and water gate removing, etc., the main presser plate is processed by batch vulcanization through a first lower mold, a first middle mold and a first upper mold, and the auxiliary presser plate is processed by batch vulcanization through a second lower mold, a second middle mold and a second upper mold, the split decompression presser is manufactured by 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.

[0041] 2. The mold is designed ingeniously, and all structure forming of the main presser plate and the auxiliary presser plate can be completed through one-time vulcanization and pressurization, and the assembly and processing of the main presser plate and the auxiliary presser plate are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0042] Figure 1 is a flow step diagram of the manufacturing and processing method;

[0043] Figure 2 is a structural schematic view of the split decompression presser;

[0044] Figure 3 is a structural exploded schematic view of the split decompression presser;

[0045] Figure 4 is a rear view of the split decompression presser;

[0046] Figure 5 is Figure 4 a sectional view at A-A in the middle;

[0047] Figure 6 is a structural schematic view of the first lower mold, the first middle mold and the first upper mold after clamping;

[0048] Figure 7 is a structural exploded schematic view of the first lower mold, the first middle mold and the first upper mold;

[0049] Figure 8 is a structural schematic view of the first lower mold;

[0050] Figure 9 is Figure 8 an enlarged schematic view at B;

[0051] Figure 10 is one of structural schematic views of the first middle mold;

[0052] Figure 11 is the second of structural schematic views of the first middle mold;

[0053] Figure 12 is a structural schematic view of the first upper mold;

[0054] Figure 13 is Figure 12 is an enlarged schematic view of the middle C;

[0055] Figure 14 is a schematic view of the structure of the second lower mold, the second middle mold and the second upper mold after being closed;

[0056] Figure 15 is a schematic view of the structure of the second lower mold, the second middle mold and the second upper mold after being closed;

[0057] Figure 16 is a schematic view of the structure of the second lower mold, the second middle mold and the second upper mold after being closed;

[0058] Figure 17 is Figure 16 is an enlarged schematic view of the middle D;

[0059] Figure 18 is a schematic view of the structure of the second middle mold;

[0060] Figure 19 is a schematic view of the structure of the second middle mold;

[0061] Figure 20 is a schematic view of the structure of the second upper mold;

[0062] Figure 21 is Figure 20 is an enlarged schematic view of the middle E;

[0063] Figure 22 is a schematic view of the structure of the auxiliary pressing plate. DETAILED DESCRIPTION

[0064] The present application will be further described in conjunction with the accompanying drawings and specific embodiments:

[0065] As shown in the accompanying drawings: Figure 1 to the accompanying drawings: Figure 7 , the accompanying drawings: Figure 14 , the accompanying drawings: Figure 15 , the accompanying drawings: Figure 22 A manufacturing and processing method of a split decompression presser, which is used for manufacturing a split decompression presser, the split decompression presser comprising a main pressing plate 1 and at least one auxiliary pressing plate 2, the main pressing plate 1 being provided with a plurality of first soft bodies 10 capable of being deformed when pressed, the auxiliary pressing plate 2 being provided with a plurality of second soft bodies 20 capable of being deformed when pressed, the first soft bodies 10 and the second soft bodies 20 each being capable of forming a protrusion shape on the front surface and a notch shape on the back surface or forming a notch shape on the front surface and a protrusion shape on the back surface, the main pressing plate 1 being provided with a plurality of assembly grooves 11 adapted to the auxiliary pressing plate 2, and the auxiliary pressing plate 2 being detachably embedded in the assembly grooves 11; the method comprises the following steps:

[0066] Step 1, mixing: obtain the required raw materials of each component according to the following mass percentage and put them into the mixing machine for mixing for 20-30 minutes to obtain the first silica gel raw material, the total weight of the raw materials for each mixing is 50-60 kg;

[0067] Silica gel 97.5-98.5%;

[0068] Vulcanizing agent 1-2%;

[0069] Color masterbatch 0.5%;

[0070] Step 2, over sheeting: the first silica gel raw material mixed in step 1 is over sheeted by the mixing machine, during the over sheeting process, a rubber film is placed under the mixing machine, and the rubber film is wrapped on the silica gel raw material by the rotation of the machine and rolled into a cylindrical shape of the second silica gel raw material;

[0071] Step 3, cutting: the cylindrical second silica gel raw material rolled in step 2 is laid flat on the cutting machine according to the size requirements (length, width, height, etc.) to cut the material, forming the third silica gel raw material 3 in the form of a sheet;

[0072] Step 4, placing: start the first vulcanizing machine to lower the first middle mold 5 to the first lower mold 4, and then place the third silica gel raw material 3 cut in step 3 on the first middle mold 5 of the first vulcanizing machine; and / or start the second vulcanizing machine to lower the second middle mold 8 to the second lower mold 7, and then place the third silica gel raw material 3 cut in step 3 on the second middle mold 8 of the second vulcanizing machine;

[0073] Step 5, vulcanization: start the first vulcanizing machine to lower the first upper mold 6 to close the mold and vulcanize the third silica gel raw material 3; and / or start the second vulcanizing machine to lower the second upper mold 9 to close the mold and vulcanize the third silica gel raw material 3; the vulcanization processing time is 30-50 seconds, the lower pressure of the first upper mold 6 and the second upper mold 9 is 200±20 tons, the heating temperature of the first upper mold 6 and the second upper mold 9 is 180±20℃, and the heating temperature of the first lower mold 4 and the second lower mold 7 is 200±20℃.

[0074] Step 6, water port removal: after the first vulcanizing machine is vulcanized, the first upper mold 6 and the first middle mold 5 are lifted in turn to take out the first finished product, and the first finished product is subjected to water port removal treatment to obtain the main pressing plate 1; and / or after the second vulcanizing machine is vulcanized, the second upper mold 9 and the second middle mold 8 are lifted in turn to take out the second finished product, and the second finished product is subjected to water port removal treatment to obtain the auxiliary pressing plate 2;

[0075] Step 7, assembly: the auxiliary pressing plate 2 obtained by water port removal in step 6 is assembled on the main pressing plate 1.

[0076] The split-type decompression press 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.

[0077] In this embodiment, the edge of the main pressing plate 1 is provided with a first annular reinforcing rib 12 extending vertically upwards and downwards to both sides; alternatively, only the upper or lower side may be provided with the first annular reinforcing rib 12, but for a more robust structure, it is preferred in this embodiment that the edge of the main pressing plate 1 is provided with a first annular reinforcing rib 12 extending vertically upwards and downwards to both sides. (See attached...) Figure 6 To be continued Figure 9 As shown, the upper end face of the first lower mold 4 is provided with a plurality of upwardly protruding lower main pressing plate forming protrusions 41. Each lower main pressing plate forming protrusion 41 is provided with a lower assembly groove forming protrusion 42 and a first cavity 40 or a first protrusion 60 that matches the shape of the first soft body 10; as shown in the attached figure. Figure 12 and attached Figure 13 As shown, the lower end face of the first upper mold 6 is provided with a plurality of downward protrusions corresponding one-to-one with the lower main pressing plate forming protrusions 41. Each upper main pressing plate forming protrusion 61 is provided with an upper assembly groove forming protrusion 62 corresponding one-to-one with the lower assembly groove forming protrusions 42, and a first protrusion 60 or a first cavity 40 adapted to the shape of the first soft body 10. In the accompanying drawings of this embodiment, it is illustrated that the first cavity 40 is disposed on the first lower mold 4, and the first protrusion 60 is disposed on the first upper mold 6. Of course, for ordinary replacement methods, such as disposing of the first cavity 40 on the first upper mold 6 and the first protrusion 60 on the first lower mold 4, these are simple replacement methods and should fall within the protection scope of this patent. (See attached drawings.) Figure 10 and attached Figure 11 As shown, the first mold 5 is provided with a first mold groove 51 that matches the shape of the main pressing plate 1; after the mold is closed, the lower main pressing plate forming protrusion 41 and the upper main pressing plate forming protrusion 61 respectively extend into the first mold groove 51 and form a main pressing plate forming space for forming the main pressing plate 1 within the first mold groove 51; a space for forming the main pressing plate 1 is formed between the outer side wall of the lower main pressing plate forming protrusion 41, the outer side wall of the upper main pressing plate forming protrusion 61, and the inner side wall of the first mold groove 51. The first annular reinforcing rib 12 has a first annular reinforcing rib forming space; a first soft body forming space for forming the first soft body 10 is formed between the first concave cavity 40 and the first protrusion 60; the lower assembly groove forming protrusion 42 and the upper assembly groove forming protrusion 62 abut against each other in the first mold groove 51; the first annular reinforcing rib forming space and the first soft body forming space are respectively connected to the main pressing plate forming space, and the assembly groove 11 can be formed during vulcanization. The structure is simple and the design is ingenious. (See attached...)Figure 10 and attached Figure 11 The main pressing plate 1 is arranged in one of the first mold grooves 51 in FIGS. 1 to 3, which shows the position of the main pressing plate 1 in the first mold groove 51 during vulcanization processing.

[0078] In the embodiment, the edge of the auxiliary pressing plate 2 is provided with the second annular reinforcing ribs 21 extending vertically upward and downward. Alternatively, only the upper side or the lower side is provided with the second annular reinforcing ribs 21. However, in order to make the structure more stable, the edge of the main pressing plate 1 is preferably provided with the first annular reinforcing ribs 12 extending vertically upward and downward in the embodiment. As shown in FIGS. 4 to 6, the edge of the main pressing plate 1 is provided with the first annular reinforcing ribs 12 extending vertically upward and downward. Figure 14 to attached Figure 17 As shown in FIGS. 7 to 9, the upper end surface of the second lower mold 7 is provided with a plurality of downwardly protruding lower auxiliary pressing plate forming protrusions 71, and the lower auxiliary pressing plate forming protrusions 71 are provided with the second protrusions 70 or the second cavities 90 matched with the shape of the second soft body 20. Figure 20 and attached Figure 21 As shown in FIGS. 10 to 12, the lower end surface of the second upper mold 9 is provided with a plurality of upwardly protruding upper auxiliary pressing plate forming protrusions 91 corresponding to the lower auxiliary pressing plate forming protrusions 71, and the upper auxiliary pressing plate forming protrusions 91 are provided with the second cavities 90 or the second protrusions 70 matched with the shape of the second soft body 20. In the attached drawings of the embodiment, the second protrusions 70 are arranged on the second lower mold 7, and the second cavities 90 are arranged on the second upper mold 9. Of course, for the general replacement means, the second cavities 90 are arranged on the second lower mold 7, and the second protrusions 70 are arranged on the second upper mold 9, which belongs to the simple replacement means and should fall within the protection scope of the patent. As shown in FIGS. 13 to 15, the second upper mold 9 is provided with the second mold grooves 81 matched with the shape of the auxiliary pressing plate 2. Figure 18 and attached Figure 19 As shown in FIGS. 7 to 9, the upper end surface of the second lower mold 7 is provided with a plurality of downwardly protruding lower auxiliary pressing plate forming protrusions 71, and the lower auxiliary pressing plate forming protrusions 71 are provided with the second protrusions 70 or the second cavities 90 matched with the shape of the second soft body 20. Figure 18 and attached Figure 19 The auxiliary pressing plate 2 is arranged in one of the second mold grooves 81 in FIGS. 13 to 15, which shows the position of the auxiliary pressing plate 2 in the second mold groove 81 during vulcanization processing.

[0079] In the embodiment, as shown in the accompanying drawings Figure 2 to the accompanying drawings Figure 5 , the lower main pressing plate is further provided with a first lower reinforcing rib forming groove 43 which is annularly arranged outside the lower assembly groove forming protrusion 42, as shown in the accompanying drawings Figure 22 , the upper main pressing plate is further provided with a first upper reinforcing rib forming groove 63 which is annularly arranged outside the upper assembly groove forming protrusion 62, as shown in the accompanying drawings Figure 8 and the accompanying drawings Figure 9 , the lower main pressing plate forming protrusion 41 is further provided with the first lower reinforcing rib forming groove 43 which is annularly arranged outside the lower assembly groove forming protrusion 42, as shown in the accompanying drawings Figure 12 and the accompanying drawings Figure 13 , the upper main pressing plate forming protrusion 61 is further provided with the first upper reinforcing rib forming groove 63 which is annularly arranged outside the upper assembly groove forming protrusion 62, as shown in the accompanying drawings Figure 18 and the accompanying drawings Figure 19 , the upper end face or the lower end face of the second mold 8 is provided with a vertical flange forming groove which is annularly arranged outside the second mold groove 81, the outer wall surface of the vertical flange forming groove is higher than the inner wall surface thereof so that the upper end of the vertical flange forming groove constitutes a horizontal connecting portion forming space for forming the horizontal connecting portion 22 after the mold is closed, and the horizontal connecting portion forming space is in communication with the auxiliary pressing plate forming space. After assembly, the lower end face or the upper end face of the inner annular reinforcing rib 13 is flush with the other side end face of the second annular reinforcing rib 21, the structure is simple, the design is ingenious, and the horizontal connecting portion 22, the vertical flange 23 and the clamping groove 24 can be formed through vulcanization processing.

[0080] In the embodiment, as shown in the accompanying drawings Figure 2 to the accompanying drawings Figure 5 , the lower main pressing plate is further provided with a first lower reinforcing rib forming groove 43 which is annularly arranged outside the lower assembly groove forming protrusion 42, as shown in the accompanying drawings Figure 22 , the upper main pressing plate is further provided with a first upper reinforcing rib forming groove 63 which is annularly arranged outside the upper assembly groove forming protrusion 62, as shown in the accompanying drawingsAs shown in the drawings, the upper and lower surfaces of the main pressing plate 1 are provided with a first annular protrusion 14 located at the outer periphery of the first soft body 10, and a first annular gap groove 15 is formed between the first soft body 10 and the first annular protrusion 14; the upper end surface of the first lower mold 4 is further provided with a first lower annular groove 44 located at the outer periphery of the first cavity 40 or the first protrusion 60, and a first lower annular boss 45 located between the first lower annular groove 44 and the first cavity 40 or the first protrusion 60; in this embodiment, as shown in the attached Figure 8 and the attached Figure 9 As shown in the drawings, the upper end surface of the first lower mold 4 is further provided with a first lower annular groove 44 located at the outer periphery of the first cavity 40, and a first lower annular boss 45 located between the first lower annular groove 44 and the first cavity 40. The lower end surface of the first upper mold 6 is further provided with a first upper annular groove 64 located at the outer periphery of the first protrusion 60 or the first cavity 40, and a first upper annular boss 65 located between the first upper annular groove 64 and the first protrusion 60 or the first cavity 40; in this embodiment, as shown in the attached Figure 12 and the attached Figure 13 As shown in the drawings, the lower end surface of the first upper mold 6 is further provided with a first upper annular groove 64 located at the outer periphery of the first protrusion 60, and a first upper annular boss 65 located between the first upper annular groove 64 and the first protrusion 60; after the mold is closed, the first lower annular groove 44 and the first upper annular groove 64 form a first annular protrusion forming space for forming the first annular protrusion 14, the first lower annular boss 45 and the first upper annular boss 65 form a first annular gap groove forming space for forming the first annular gap groove 15, and the first annular protrusion forming space and the first annular gap groove forming space are respectively connected with the main pressing plate forming space; the structure is simple and ingenious, and the first annular protrusion 14 and the first annular gap groove 15 can be formed through vulcanization processing. In this embodiment, the bottom of the first annular gap groove 15 is a flat groove. The first annular protrusion 14 can play a role in strengthening and fixing, improve the hardness of the outer periphery of the first soft body 10, and is more conducive to pressing the first soft body 10.

[0081] In this embodiment, as shown in the attached Figure 22 As shown in the drawings, the upper and lower surfaces of the main pressing plate 1 are provided with a first annular protrusion 14 located at the outer periphery of the first soft body 10, and a first annular gap groove 15 is formed between the first soft body 10 and the first annular protrusion 14; the upper end surface of the first lower mold 4 is further provided with a first lower annular groove 44 located at the outer periphery of the first cavity 40 or the first protrusion 60, and a first lower annular boss 45 located between the first lower annular groove 44 and the first protrusion 60 or the first cavity 40; in this embodiment, as shown in the attached Figure 16 and the attached Figure 17As shown, the upper end face of the second lower mold 7 is further provided with a second lower annular groove 72 located around the second protrusion 70 and a second lower annular boss 73 located between the second lower annular groove 72 and the second protrusion 70. The lower end face of the second upper mold 9 is further provided with a second upper annular groove 92 located around the second cavity 90 or the second protrusion 70 and a second upper annular boss 93 located between the second upper annular groove 92 and the second cavity 90 or the second protrusion 70; in this embodiment, as shown in the attached figure Figure 20 and attached Figure 21 As shown, the lower end face of the second upper mold 9 is also provided with a second upper annular groove 92 located on the outer periphery of the second cavity 90 and a second upper annular boss 93 located between the second upper annular groove 92 and the second cavity 90. After mold closing, the second lower annular groove 72 and the second upper annular groove 92 constitute a second annular protrusion forming space for forming the second annular protrusion 25, and the second lower annular boss 73 and the second upper annular boss 93 constitute a second annular gap groove forming space for forming the second annular gap groove 26. The second annular protrusion forming space and the second annular gap groove forming space are respectively connected to the auxiliary pressing plate forming space. The structure is simple and the design is ingenious. The second annular protrusion 25 and the second annular gap groove 26 can be formed by vulcanization. In this embodiment, the bottom of the second annular gap groove 26 is a flat groove. The second annular protrusion 25 can play a role in strengthening the fixation, increasing the hardness of the outer periphery of the second soft body 20, and making it more conducive to pressing the second soft body 20.

[0082] In this embodiment, as shown in the appendix Figure 22 As shown, the auxiliary pressing plate 2 is provided with at least one internal connecting reinforcing rib 27, the two ends of which are respectively connected to the second annular reinforcing rib 21. The internal connecting reinforcing rib 27 separates a plurality of the second soft bodies 20; as shown in the attached figure. Figure 16 and attached Figure 17 As shown, the upper end face of the second lower mold 7 is also provided with a second lower reinforcing rib forming groove 74, as shown in the attached figure. Figure 20 and attached Figure 21 As shown, the lower end face of the second upper mold 9 is also provided with a second upper reinforcing rib forming groove 94 corresponding to the second lower reinforcing rib forming groove 74. After the mold is closed, the second lower reinforcing rib forming groove 74 and the second upper reinforcing rib forming groove 94 constitute an inner connecting reinforcing rib forming space for forming the inner connecting reinforcing rib 27. The inner connecting reinforcing rib forming space is connected to the secondary pressing plate forming space.

[0083] To prevent overpressure, a limiting mechanism is provided. More specifically, at least one first limiting boss 46 is provided on the upper end face of the first lower mold 4 or the lower end face of the first upper mold 6. The first limiting boss 46 is provided with a plurality of lower main pressing plate forming protrusions 41. The lower end face or upper end face of the first middle mold 5 is provided with a first limiting recess 52 that matches the first limiting boss 46. In this embodiment, to ensure accurate positioning of the first middle mold 5 when it is lowered into the first lower mold 4, or to prevent displacement of the first middle mold 5 during vulcanization, as shown in the attached... Figure 8 As shown, the first limiting boss 46 is disposed on the upper end surface of the first lower mold 4, as illustrated in the attached figure. Figure 11 As shown, the first limiting recess 52 is disposed on the lower end surface of the first middle mold 5, and after mold closing, the first limiting boss 46 abuts against the first limiting recess 52. Of course, setting a limiting mechanism between the first upper mold 6 and the first lower mold 4 is a common replacement method and should fall within the protection scope of this patent.

[0084] Similarly, as shown in the appendix Figure 20 As shown, the lower end face of the second upper mold 9 is provided with at least one second limiting boss 95, and a plurality of the upper auxiliary pressing plate forming protrusions 91 are provided on the second limiting boss 95, as shown in the attached figure. Figure 18 As shown, the upper end face of the second intermediate mold 8 is provided with a second limiting recess 82 that matches the second limiting boss 95, and a plurality of second mold grooves 81 are provided within the second limiting recess 82. After mold closing, the second limiting boss 95 abuts against the second limiting recess 82. Of course, the second limiting recess 82 can also be provided on the lower end face of the second intermediate mold 8, and the second limiting boss 95 can be provided on the upper end face of the second lower mold 7. This is a common substitution method and should fall within the protection scope of this patent.

[0085] In this embodiment, the required raw materials for each component are preferably obtained in the following mass percentages in step 1:

[0086] Silicone 98%;

[0087] Vulcanizing agent 1.5%;

[0088] Color masterbatch 0.5%.

Claims

1. A manufacturing method of a split decompression presser, the method for manufacturing a split decompression presser, the method comprising the following steps: The split decompression presser comprises a main presser plate (1) and at least one auxiliary presser plate (2), the main presser plate (1) is provided with a plurality of first soft bodies (10) capable of being deformed when pressed, and the auxiliary presser plate (2) is provided with a plurality of second soft bodies (20) capable of being deformed when pressed, characterized in that Step 1, mixing: obtaining required component raw materials in the following mass percentage and putting 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 master 0.5%; Step 2, sheeting: sheeting the first silica gel raw material mixed in step 1 by a mixing machine, during the sheeting process, a film is placed under the mixing machine, and the film is wrapped on the silica gel raw material by the rotation of the machine to form a cylindrical second silica gel raw material; Step 3, slicing: flattening the cylindrical second silica gel raw material in step 2 onto a cutting machine according to the size requirement to cut the material and form a third silica gel raw material (3) in the form of a sheet; Step 4, material placement: starting the first vulcanizing machine to lower the first middle mold (5) to the first lower mold (4), and then placing the third silica gel raw material (3) cut into a sheet in step 3 on the first middle mold (5) of the first vulcanizing machine; and / or starting the second vulcanizing machine to lower the second middle mold (8) to the second lower mold (7), and then placing the third silica gel raw material (3) cut into a sheet in step 3 on the second middle mold (8) of the second vulcanizing machine; Step 5, vulcanization: starting the first vulcanizing machine to lower the first upper mold (6) to press and close the mold and vulcanize the third silica gel raw material (3); and / or starting the second vulcanizing machine to lower the second upper mold (9) to press and close the mold and vulcanize the third silica gel raw material (3); Step 6, water port removal: after the vulcanization of the first vulcanizing machine is completed, the first upper mold (6) and the first middle mold (5) are lifted in turn and the first finished product is taken out, the first finished product is subjected to water port removal treatment to obtain a main press plate (1); and / or after the vulcanization of the second vulcanizing machine is completed, the second upper mold (9) and the second middle mold (8) are lifted in turn and the second finished product is taken out, the second finished product is subjected to water port removal treatment to obtain a secondary press plate (2). ​ The upper end face of the first lower mold (4) is provided with a plurality of downwardly protruding lower main pressing plate forming protrusions (41), the lower main pressing plate forming protrusions (41) are provided with lower assembly groove forming protrusions (42) and first recesses (40) or first protrusions (60); the lower end face of the first upper mold (6) is provided with a plurality of upwardly protruding upper main pressing plate forming protrusions (61) corresponding to the lower main pressing plate forming protrusions (41) one by one, the upper main pressing plate forming protrusions (61) are provided with upper assembly groove forming protrusions (62) corresponding to the lower assembly groove forming protrusions (42) one by one and first protrusions (60) or first recesses (40); the first middle mold (5) is provided with a first mold groove (51); after the mold is closed, the lower main pressing plate forming protrusions (41) and the upper main pressing plate forming protrusions (61) respectively extend into the first mold groove (51) and form main pressing plate forming spaces in the first mold groove (51); first annular reinforcing rib forming spaces are formed between the outer side walls of the lower main pressing plate forming protrusions (41), the outer side walls of the upper main pressing plate forming protrusions (61) and the inner side walls of the first mold groove (51); first soft body forming spaces are formed between the first recesses (40) and the first protrusions (60); the lower assembly groove forming protrusions (42) and the upper assembly groove forming protrusions (62) abut in the first mold groove (51), and the first annular reinforcing rib forming spaces and the first soft body forming spaces are respectively communicated with the main pressing plate forming spaces; The upper end face of the second lower mold (7) is provided with a plurality of upwardly protruding lower auxiliary pressing plate forming protrusions (71), the lower auxiliary pressing plate forming protrusions (71) are provided with second protrusions (70) or second recesses (90); the lower end face of the second upper mold (9) is provided with a plurality of upwardly protruding upper auxiliary pressing plate forming protrusions (91) corresponding to the lower auxiliary pressing plate forming protrusions (71) one by one, the upper auxiliary pressing plate forming protrusions (91) are provided with second recesses (90) or second protrusions (70); the second middle mold (8) is provided with a second mold groove (81); after the mold is closed, the lower auxiliary pressing plate forming protrusions (71) and the upper auxiliary pressing plate forming protrusions (91) respectively extend into the second mold groove (81) and form auxiliary pressing plate forming spaces in the second mold groove (81); second annular reinforcing rib forming spaces are formed between the outer side walls of the lower auxiliary pressing plate forming protrusions (71), the outer side walls of the upper auxiliary pressing plate forming protrusions (91) and the inner side walls of the second mold groove (81); second soft body forming spaces for forming the second soft bodies (20) are formed between the second recesses (90) and the second protrusions (70); the second annular reinforcing rib forming spaces and the second soft body forming spaces are respectively communicated with the auxiliary pressing plate forming spaces; The lower main pressing plate forming protrusion (41) is further provided with a first lower reinforcing rib forming groove (43) arranged outside the lower assembly groove forming protrusion (42), and the upper main pressing plate forming protrusion (61) is further provided with a first upper reinforcing rib forming groove (63) arranged outside the upper assembly groove forming protrusion (62), and the first lower reinforcing rib forming groove (43) and the first upper reinforcing rib forming groove (63) form an inner annular reinforcing rib forming space after the mold is closed, and the inner annular reinforcing rib forming space is in communication with the main pressing plate forming space; The upper end face or the lower end face of the second middle mold (8) is provided with a vertical flange portion forming groove arranged outside the second mold groove (81), and the outer side wall surface of the vertical flange portion forming groove is higher than the inner side wall surface, so that the upper end of the vertical flange portion forming groove forms a horizontal connecting portion forming space after the mold is closed; the horizontal connecting portion forming space is in communication with the auxiliary pressing plate forming space; The upper end face of the first lower mold (4) is further provided with a first lower annular groove (44) located outside the outer periphery of the first recess (40) or the first protrusion (60) and a first lower annular boss (45) located between the first lower annular groove (44) and the first recess (40) or the first protrusion (60); the lower end face of the first upper mold (6) is further provided with a first upper annular groove (64) located outside the outer periphery of the first protrusion (60) or the first recess (40) and a first upper annular boss (65) located between the first upper annular groove (64) and the first protrusion (60) or the first recess (40); the first lower annular groove (44) and the first upper annular groove (64) form a first annular protrusion forming space after the mold is closed, and the first lower annular boss (45) and the first upper annular boss (65) form a first annular gap groove forming space, and the first annular protrusion forming space and the first annular gap groove forming space are respectively in communication with the main pressing plate forming space; The upper end face of the second lower mold (7) is further provided with a second lower annular groove (72) located outside the outer periphery of the second protrusion (70) or the second recess (90) and a second lower annular boss (73) located between the second lower annular groove (72) and the second protrusion (70) or the second recess (90); the lower end face of the second upper mold (9) is further provided with a second upper annular groove (92) located outside the outer periphery of the second recess (90) or the second protrusion (70) and a second upper annular boss (93) located between the second upper annular groove (92) and the second recess (90) or the second protrusion (70); the second lower annular groove (72) and the second upper annular groove (92) form a second annular protrusion forming space after the mold is closed, and the second lower annular boss (73) and the second upper annular boss (93) form a second annular gap groove forming space, and the second annular protrusion forming space and the second annular gap groove forming space are respectively in communication with the auxiliary pressing plate forming space.

2. The manufacturing method of the split decompression press according to claim 1, wherein: The upper end face of the second lower mold (7) is further provided with a second lower reinforcing rib forming groove (74), and the lower end face of the second upper mold (9) is further provided with a second upper reinforcing rib forming groove (94) corresponding to the second lower reinforcing rib forming groove (74), and the second lower reinforcing rib forming groove (74) and the second upper reinforcing rib forming groove (94) form an inner connecting reinforcing rib forming space after the mold is closed, and the inner connecting reinforcing rib forming space is in communication with the auxiliary pressing plate forming space.

3. The manufacturing method of the split decompression press according to claim 2, wherein: The upper end face of the first lower mold (4) or the lower end face of the first upper mold (6) is provided with at least one first limiting boss part (46), the first limiting boss part (46) is provided with a plurality of lower main pressing plate forming convex parts (41), and the lower end face or the upper end face of the first middle mold (5) is provided with a first limiting recess part (52) matched with the first limiting boss part (46).

4. The manufacturing method of the split decompression press according to any one of claims 1 to 3, characterized in that: The mixing time in step 1 is 20-30 minutes, and the total weight of the raw materials in each mixing is 50-60 kg.

5. The manufacturing method of the split decompression press according to any one of claims 1 to 3, characterized in that: The vulcanization processing time in step 5 is 30-50 seconds, the pressing pressure of the first upper mold (6) and the second upper mold (9) is 200±20 tons, the heating temperature of the first upper mold (6) and the second upper mold (9) is 180±20℃, and the heating temperature of the first lower mold (4) and the second lower mold (7) is 200±20℃.

6. The manufacturing method of the split decompression press according to any one of claims 1 to 3, characterized in that: In step 1, the required raw materials are obtained according to the following mass percentage: Silica gel 98%; Vulcanizing agent 1.5%; Color masterbatch 0.5%.

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