Silica gel forming mold and silica gel product hot press forming machine

Abstract

The application discloses a silica gel forming die and a silica gel product hot-press forming machine. The silica gel forming die comprises an upper die plate, a lower die plate and a middle die assembly. The middle die assembly is detachably connected between the upper die plate and the lower die plate. The middle die assembly comprises a middle die plate and a plurality of die cores. The plurality of die cores are arranged along the left-right direction and are detachably connected to the middle die plate. An intermediate cavity is formed between two adjacent die cores. The lower surface of the upper die plate is provided with a plurality of upper cavities corresponding to the intermediate cavities. The upper surface of the lower die plate is provided with a plurality of lower cavities corresponding to the intermediate cavities. When the upper die plate, the middle die assembly and the lower die plate are closed, the upper and lower ends of the intermediate cavity are in communication with the upper cavities and the lower cavities respectively to form a product cavity. The application adopts the demolding in the four directions of up, down, left and right, realizes the easy demolding of silica gel products with complex structures, is high in production efficiency and reduces the production cost of enterprises.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of molds, in particular to a silica gel forming mold and a silica gel product hot-press forming machine. BACKGROUND

[0002] A mold is a tool used for forming various plastic products in industrial production, which mainly includes an upper mold and a lower mold, and a cavity for forming a product is arranged between the upper mold and the lower mold, and the silica gel forming mold is one of the molds, which forms a silica gel product by filling silica gel material into the cavity.

[0003] In the existing silica gel forming mold, for silica gel products with complex structures, the silica gel products are difficult to demold, the production efficiency is low, and the production cost of enterprises is high. SUMMARY

[0004] In view of the defects in the prior art, the present application provides a silica gel forming mold and a silica gel product hot-press forming machine, which adopts demolding in four directions of up, down, left and right, realizes easy demolding of silica gel products with complex structures, has high production efficiency, and reduces the production cost of enterprises.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] A silica gel forming mold, characterized in that it comprises an upper mold plate, a lower mold plate and a middle mold combination, the middle mold combination is detachably connected between the upper mold plate and the lower mold plate;

[0007] The middle mold combination comprises a middle mold plate and a plurality of mold cores, the plurality of mold cores are arranged along the left-right direction, and the plurality of mold cores are all detachably connected to the middle mold plate;

[0008] The intermediate cavity is formed between two adjacent mold cores, the lower surface of the upper mold plate is formed with a plurality of upper cavities corresponding to the intermediate cavities, the upper surface of the lower mold plate is formed with a plurality of lower cavities corresponding to the intermediate cavities, and the upper and lower ends of the intermediate cavity are in communication with the upper and lower cavities respectively to form a product cavity when the upper mold plate, the middle mold assembly and the lower mold plate are combined; the middle mold assembly composed of the middle mold plate and a plurality of mold cores is detachably connected between the upper mold plate and the lower mold plate, the mold cores are detachably connected to the middle mold plate, the intermediate cavity is formed between two adjacent mold cores, the upper mold plate is provided with the upper cavities, the lower mold plate is provided with the lower cavities, the upper and lower ends of the intermediate cavity are in communication with the upper and lower cavities respectively to form a product cavity when the mold is closed, and after the mold is opened, the middle mold assembly is taken out from between the upper mold plate and the lower mold plate, so that the formed silica gel product is separated from the upper mold plate and the lower mold plate, then the mold cores are taken out from the middle mold plate, so that the left and right sides of the silica gel product are separated from the mold cores, and finally the silica gel product can be taken out, which realizes easy demolding of silica gel products with complex structures, high production efficiency and reduction of enterprise production cost.

[0009] As a preferred solution, one side of the middle mold plate is provided with a plurality of accommodating grooves, a plurality of the accommodating grooves are arranged along the left-right direction, and a plurality of the accommodating grooves all penetrate the upper and lower surfaces of the middle mold plate, one end of the mold core extends to form a forming part, the forming parts of two adjacent mold cores form the central cavity, and the forming part extends into the accommodating groove during assembly.

[0010] As a preferred solution, an extension column is arranged between two adjacent accommodating grooves, one end of the extension column is connected with the middle mold plate, the other end of the extension column protrudes radially outward to form a protruding block, and the protruding block extends into the intermediate cavity.

[0011] As a preferred solution, a first positioning recess is formed between the protruding block, the upper surface of the connecting column and the side wall surface of the middle mold plate, the lower surface of the upper mold plate is formed with a first positioning protrusion corresponding to the first positioning recess, and the first positioning protrusion is embedded in the first recess during mold closing.

[0012] As a preferred solution, the upper end of the mold core is provided with a first positioning missing groove near one side of the adjacent first positioning recess, and the left and right side walls of the first positioning protrusion abut against the inner wall surface of the corresponding first positioning missing groove during mold closing.

[0013] As a preferred solution, the upper surface of the middle mold plate is provided with a plurality of positioning grooves, a plurality of the positioning grooves correspond to and communicate with the accommodating grooves, and a plurality of the mold cores are detachably connected in the corresponding positioning grooves.

[0014] As a preferred embodiment, the upper surface of the lower template is provided with positioning holes, and the lower surface of the middle template is provided with positioning posts. When the mold is closed, the positioning posts on the middle template are embedded in the positioning holes of the lower template.

[0015] As a preferred embodiment, the side walls at both ends of the template are equipped with handles.

[0016] As a preferred embodiment, one of the two adjacent mold cores has a left cavity formed on its sidewall, and the other has a right cavity formed on its sidewall opposite to the left cavity. The left cavity and the right cavity both penetrate the upper and lower surfaces of the corresponding mold core, and an intermediate cavity is formed between the left cavity and the right cavity.

[0017] A silicone product hot press molding machine includes an upper hot press plate, a lower hot press plate, a lifting drive mechanism, and the silicone molding die. The upper hot press plate is connected to an upper template, and the lower hot press plate is connected to a lower template. The lifting drive mechanism drives the upper hot press plate to move up and down relative to the lower hot press plate, so as to open or close the silicone molding die.

[0018] Compared with existing technologies, this invention has significant advantages and beneficial effects. Specifically, by setting a middle mold assembly consisting of a middle template and several mold cores, the middle mold assembly is detachably connected between the upper and lower templates. The mold cores are all detachably connected to the middle template, and an intermediate cavity is formed between two adjacent mold cores. The upper template has an upper cavity, and the lower template has a lower cavity. When the mold is closed, the upper and lower ends of the intermediate cavity cooperate and communicate with the upper and lower cavities respectively to form the product cavity. After the mold is opened, the middle mold assembly is first removed from between the upper and lower templates, so that the molded silicone product is separated from the upper and lower templates. Then, the mold cores are removed from the middle template, so that the left and right sides of the silicone product are separated from the mold cores. Finally, the silicone product can be removed. Demolding is carried out in four directions: up, down, left, and right, so that silicone products with complex structures can be easily demolded, resulting in high production efficiency and reduced production costs for enterprises.

[0019] To more clearly illustrate the structural features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments: Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the assembly structure according to an embodiment of the present invention;

[0021] Figure 2 This is an assembly diagram of the lower template and middle template assembly according to an embodiment of the present invention;

[0022] Figure 3 This is an exploded view of an embodiment of the present invention;

[0023] Figure 4is a top die structure schematic diagram of an embodiment of the present application;

[0024] Figure 5 is a closed die state cross-sectional schematic diagram of an embodiment of the present application;

[0025] Figure 6 is another view of a closed die state cross-sectional schematic diagram of an embodiment of the present application;

[0026] Figure 7 is a middle die assembly structure schematic diagram of an embodiment of the present application;

[0027] Figure 8 is another view of a middle die assembly structure schematic diagram of an embodiment of the present application;

[0028] Figure 9 is a top view of a middle die assembly of an embodiment of the present application;

[0029] Figure 10 is a middle die structure schematic diagram of an embodiment of the present application;

[0030] Figure 11 is a middle die assembly demolding state reference diagram of an embodiment of the present application;

[0031] Figure 12 is a mold core structure schematic diagram of an embodiment of the present application;

[0032] Figure 13 is another view of a mold core structure schematic diagram of an embodiment of the present application;

[0033] Figure 14 is an exploded view of a mold core of an embodiment of the present application;

[0034] Figure 15 is a silica gel ring structure schematic diagram of an embodiment of the present application.

[0035] Explanation of the attached drawings:

[0036] 10 - top die plate 11 - upper cavity 12 - first positioning protrusion

[0037] 13 - avoidance hole 14 - upper annular cavity 15 - arc-shaped concave surface

[0038] 20 - lower die plate 21 - lower cavity 22 - second positioning protrusion

[0039] 23 - positioning hole 24 - lower annular cavity 30 - middle die assembly

[0040] 40 - middle die plate 41 - accommodating groove 42 - extension column

[0041] 43 - protruding block 431 - arc-shaped convex surface 44 - first positioning recess

[0042] 45-Second positioning recess 46-Positioning groove 461-Fourth inclined surface

[0043] 462-Sixth inclined plane; 47-Positioning post; 48-Handle

[0044] 50-Mold core 501-Molding part 502-First positioning notch

[0045] 503 - Second positioning notch; 51 - Intermediate cavity; 511 - Left cavity

[0046] 512-Right cavity; 513-Floral groove; 52-Slider.

[0047] 521-Third inclined plane 522-Fifth inclined plane 53-Pressure block

[0048] 531-First inclined plane 532-Second inclined plane 54-Handle

[0049] 541-Connecting part; 542-Handheld part; 60-Product cavity

[0050] 61-Hook-shaped cavity 70-Silicone ring 71-Ring body

[0051] 72-Ring 73-Floral Structure 74-Barb Detailed Implementation

[0052] In the description of this invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the indicated position or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0053] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0054] like Figure 1 As shown, for ease of description and understanding, Figure 1 In the center, X represents the left-right direction, Y represents the front-back direction, and Z represents the up-down direction.

[0055] like Figures 1-15The present application discloses a silica gel forming die, which comprises an upper die plate 10, a lower die plate 20 and a middle die assembly 30, the middle die assembly 30 is detachably connected between the upper die plate 10 and the lower die plate 20;

[0056] The middle die assembly 30 comprises a middle die plate 40 and a plurality of die cores 50, the plurality of die cores 50 are arranged along the left-right direction, and the plurality of die cores 50 are detachably connected to the middle die plate 40, specifically, the die cores 50 are provided in two rows, and the two rows of die cores 50 are arranged on the front and back sides of the middle die plate 40.

[0057] An intermediate cavity 51 is formed between two adjacent die cores 50, a lower surface of the upper die plate 10 is formed with a plurality of upper cavities 11 corresponding to the intermediate cavities 51 one by one, and an upper surface of the lower die plate 20 is formed with a plurality of lower cavities 21 corresponding to the intermediate cavities 51 one by one, when the upper die plate 10, the middle die assembly 30 and the lower die plate 20 are closed, the upper and lower ends of the intermediate cavities 51 are respectively communicated with the upper cavities 11 and the lower cavities 21 to form product cavities 60.

[0058] One side of the middle die plate 40 is provided with a plurality of accommodating grooves 41, the plurality of accommodating grooves 41 are arranged along the left-right direction, and the plurality of accommodating grooves 41 penetrate the upper and lower surfaces and the side surface of the middle die plate 40, one end of the die core 50 is extended to form a forming part 501, the forming parts 501 of two adjacent die cores 50 form the central cavity, and the forming part 501 is inserted into the accommodating groove 41 during assembly; by arranging the accommodating groove 41, the forming part 501 at one end of the die core 50 is inserted into the accommodating groove 41, so that the assembly of the middle die plate 40 and the die core 50 is more compact and occupies less space.

[0059] Two adjacent accommodation grooves 41 are provided with an extension column 42, one end of the extension column 42 is connected with the middle die plate 40, the other end of the extension column 42 protrudes radially outward to form a protruding block 43, the protruding block 43 extends into the middle cavity 51, the protruding block 43 is a conical body, a plurality of circumferentially arranged arc convex surfaces 431 are formed on the side of the conical body close to the extension column 42, specifically, the number of the arc convex surfaces 431 is four, the upper die plate 10, the lower die plate 20 and the die core 50 are all formed with arc concave surfaces 15 corresponding to the arc convex surfaces 431, when the mold is closed, the arc convex surfaces 431 abut and fit with the corresponding arc concave surfaces 15, and the adjacent two arc convex surfaces 431 and the two arc concave surfaces 15 together form a hook-shaped cavity 61, the hook-shaped cavity 61 communicates with the product cavity 60, specifically, the number of the hook-shaped cavities 61 is four, when forming, the hook-shaped cavities 61 form the inverted hooks 74 integrally connected with the product, the inverted hooks 74 cover the periphery of the conical body, when the middle mold assembly 30 is taken out and the die core 50 is disassembled, the product can be left on the conical body, avoiding the product from falling off the conical body, preventing dust and stains from being attached, and facilitating workers to uniformly take down and collect the product from the conical body, improving production efficiency.

[0060] The upper surface of the protruding block 43, the connecting column and the side wall surface of the middle die plate 40 form a first positioning recess 44, the lower surface of the upper die plate 10 is formed with a first positioning protrusion 12 corresponding to the first positioning recess 44, when the mold is closed, the first positioning protrusion 12 is embedded in the first recess, it can be understood that the lower surface of the protruding block 43, the connecting column and the side wall surface of the middle die plate 40 form a second positioning recess 45, the upper surface of the lower die plate 20 is formed with a second positioning protrusion 22 corresponding to the second positioning recess 45.

[0061] The upper end of the die core 50 is provided with a first positioning missing groove 502 close to one side of the adjacent first positioning recess 44, when the mold is closed, the left and right side walls of the first positioning protrusion 12 abut the inner wall surface of the corresponding first positioning missing groove 502, it can be understood that the lower end of the die core 50 is provided with a second positioning missing groove 503 close to one side of the adjacent second positioning recess 45.

[0062] The upper surface of the middle mold plate 40 is provided with a plurality of positioning grooves 46, the positioning grooves 46 correspond to and communicate with the accommodating grooves 41 one by one, and a plurality of mold cores 50 can be detachably connected in the corresponding positioning grooves 46. The mold core 50 is a combined part, which comprises a sliding block 52 and a pressing block 53 connected in a split manner. One end of the sliding block 52 is slidably arranged on the left side of the positioning groove 46, and the pressing block 53 can be embedded on the right side of the positioning groove 46. When assembled, the left side of the pressing block 53 abuts and fits with the sliding block 52, and the right side of the pressing block 53 abuts and fits with the positioning groove 46. Specifically, the left side of the pressing block 53 is formed with a first inclined surface 531, and the right side of the pressing block 53 is formed with a second inclined surface 532. The first inclined surface 531 extends upward and leftward, and the second inclined surface 532 extends upward and rightward. The right side of the sliding block 52 is formed with a third inclined surface 521 corresponding to the first inclined surface 531, and the extending direction of the third inclined surface 521 is parallel to the extending direction of the first inclined surface 531. The right side of the positioning groove 46 is formed with a fourth inclined surface 461 corresponding to the second inclined surface 532. When clamped, one end of the pressing block 53 is embedded in the positioning groove 46 from top to bottom, so that the first inclined surface 531 abuts and fits with the third inclined surface 521 on the sliding block 52, and the second inclined surface 532 abuts and fits with the fourth inclined surface 461. The left side of the sliding block 52 is formed with a fifth inclined surface 522, and the left side of the positioning groove 46 is formed with a sixth inclined surface 462. When clamped, the fifth inclined surface 522 abuts and fits with the sixth inclined surface 462. By adopting the split setting of the sliding block 52 and the pressing block 53, the first inclined surface 531 and the second inclined surface 532 are arranged on both sides of the pressing block 53. When assembled into the positioning groove 46, the first inclined surface 531 and the second inclined surface 532 of the pressing block 53 abut and press the third inclined surface 521 of the sliding block 52 and the fourth inclined surface 461 of the positioning groove 46 respectively, and the fifth inclined surface 522 of the sliding block 52 abuts and presses the sixth inclined surface 462 of the positioning groove 46, so that the sliding block 52 and the pressing block 53 remain stable in the positioning groove 46. At the same time, the pressing block 53 can be taken out to release the sliding block 52, so that the product is easy to demold.

[0063] The handle 54 is connected to the pressing block 53, and is located at one end of the pressing block 53 embedded in the positioning groove 46. The handle 54 comprises a hand holding part 542 and a connecting part 541. The lower end of the connecting part 541 is connected to the upper surface of the pressing block 53, and the hand holding part 542 is connected to the upper end of the connecting part 541. The lower surface of the upper mold plate 10 is formed with a plurality of avoiding holes 13 corresponding to the hand holding part 542. When the mold is closed, the avoiding holes 13 can be used for the handle 54 to extend upward into the avoiding holes 13. By arranging the handle 54, the pressing block 53 can be conveniently lifted and taken out of the positioning groove 46, so that the sliding block 52 is loosened, which is beneficial to the product demolding. The handle 54 is arranged at one end of the pressing block 53 embedded in the positioning groove 46. When the pressing block 53 is assembled, the handle 54 is lifted to move the pressing block 53 above the positioning groove 46, and then the handle 54 is pressed to embed the one end of the pressing block 53 embedded in the positioning groove 46. When the handle 54 is pressed or lifted, the stress is concentrated on the one end of the pressing block 53, so that the pressing block 53 is easily embedded or taken out of the positioning groove 46. The assembly and disassembly are fast, and the use is convenient.

[0064] The upper surface of the lower mold plate 20 is provided with a positioning hole 23, and the lower surface of the middle mold plate 40 is provided with a positioning column 47. When the mold is closed, the positioning column 47 on the middle mold plate 40 is embedded in the positioning hole 23 of the lower mold plate 20.

[0065] The side wall surface of the left and right ends of the middle mold plate 40 is provided with a handle 48. By arranging the handle 48, the middle mold assembly 30 can be conveniently placed between the upper mold plate 10 and the lower mold plate 20 before the product is formed. After the product is formed, the middle mold assembly 30 can be conveniently taken out and transferred from between the upper mold plate 10 and the lower mold plate 20, so as to subsequently take down the product from the middle mold assembly 30.

[0066] The side wall surface of one of the opposite sides of the two adjacent mold cores 50 is formed with a left cavity 511, and the side wall surface of the other is formed with a right cavity 512 opposite to the left cavity 511, the left cavity 511 and the right cavity 512 penetrate the upper and lower surfaces of the corresponding mold core 50, and the intermediate cavity 51 is formed between the left cavity 511 and the right cavity 512, specifically, the intermediate cavity 51 is formed between the slider 52 of one of the two adjacent mold cores 50 and the pressing block 53 of the other, specifically, the side wall of the slider 52 is formed with the left cavity 511, the side wall of the pressing block 53 is formed with the right cavity 512, the upper cavity 11 and the lower cavity 21 are symmetrically arranged, the left cavity 511 and the right cavity 512 are symmetrically arranged, the inner side walls of the upper cavity 11, the lower cavity 21, the left cavity 511 and the right cavity 512 are all concavely formed with a flower-shaped groove 513, the lower surface of the upper mold plate 10 is further formed with an upper annular cavity 14 which is in communication with the left cavity 511 and the right cavity 512, and the upper surface of the lower mold plate 20 is further formed with a lower annular cavity 24 which is in communication with the left cavity 511 and the right cavity 512, the upper annular cavity 14 corresponds to the lower annular cavity 24, when forming, the upper cavity 11, the lower cavity 21, the left cavity 511 and the right cavity 512 form a ring body 71, the upper annular cavity 14 and the lower annular cavity 24 form a ring 72 which is integrally connected with the ring body 71, the flower-shaped groove 513 forms a flower-shaped structure 73 which is integrally connected with the outer side wall of the ring body 71, by arranging the upper cavity 11, the lower cavity 21, the left cavity 511, the right cavity 512, the upper annular cavity 14, the lower annular cavity 24 and the flower-shaped groove 513, the forming of the silica gel ring 70 with a complex shape and a multi-faceted structure can be realized.

[0067] The application further discloses a silica gel product hot-press forming machine (not shown) comprising an upper hot-press plate (not shown), a lower hot-press plate (not shown), a lifting driving mechanism (not shown) and the silica gel forming mold, the upper hot-press plate is connected with the upper surface of the upper mold plate 10, the lower hot-press plate is connected with the lower surface of the lower mold plate 20, and the lifting driving mechanism drives the upper hot-press plate to move up and down relative to the lower hot-press plate, so as to open or close the silica gel forming mold.

[0068] The use method of the application is as follows:

[0069] Assembling: fixing the lower mold plate 20 on the lower hot-press plate, fixing the upper mold plate 10 on the upper hot-press plate, placing the middle mold assembly 30 on the lower mold plate 20, inserting the positioning column 47 on the middle mold plate 40 into the positioning hole 23 on the lower mold plate 20, and completing the positioning of the middle mold assembly 30;

[0070] Mold closing: the solid or liquid silica gel is put into the product cavity 60, the lifting drive mechanism drives the upper hot plate to move down, the upper mold plate 10, the middle mold assembly 30 and the lower mold plate 20 are combined, and after hot pressing, shaping and cooling, the silica gel ring 70 is formed;

[0071] Mold opening: the lifting drive mechanism drives the upper hot plate to move up, the upper mold plate 10, the middle mold assembly 30 and the lower mold plate 20 are opened, the worker takes out the middle mold assembly 30 together with the silica gel ring 70, the handle 54 on the pressing block 53 is lifted upward to make the pressing block 53 separate from the positioning groove 46, the sliding block 52 is pushed to make the sliding block 52 separate from the silica gel ring 70, and finally the silica gel ring 70 is taken off the tapered body.

[0072] In summary, the middle mold assembly 30 composed of the middle mold plate 40 and a plurality of mold cores 50 is arranged, the middle mold assembly 30 is detachably connected between the upper mold plate 10 and the lower mold plate 20, the mold cores 50 are all detachably connected on the middle mold plate 40, the intermediate cavity 51 is formed between the adjacent two mold cores 50, the upper cavity 11 is arranged on the upper mold plate 10, the lower cavity 21 is arranged on the lower mold plate 20, when the mold is closed, the upper and lower ends of the intermediate cavity 51 are respectively communicated with the upper cavity 11 and the lower cavity 21 to form the product cavity 60, after the mold is opened, the middle mold assembly 30 is first taken out from between the upper mold plate 10 and the lower mold plate 20, the formed silica gel product is separated from the upper mold plate 10 and the lower mold plate 20, then the mold cores 50 are taken out from the middle mold plate 40, the left and right sides of the silica gel product are separated from the mold cores 50, and finally the silica gel product is taken off, the mold is opened in the four directions of up, down, left and right, the silica gel product with a complex structure is easily demolded, the production efficiency is high, and the production cost of enterprises is reduced.

[0073] The above is only a preferred embodiment of the present application and does not limit the present application, so any modification, equivalent replacement, improvement, etc. made to the above embodiment according to the technical spirit of the present application still belongs to the scope of the technical scheme of the present application.

Claims

1. A silicone molding die, characterized in that, It includes an upper template, a lower template, and a middle template assembly, wherein the middle template assembly is detachably connected between the upper template and the lower template; The middle mold assembly includes a middle template and several mold cores, the mold cores are arranged in a left-right direction, and all of the mold cores can be detachably connected to the middle template; An intermediate cavity is formed between two adjacent mold cores. The lower surface of the upper mold plate has a plurality of upper cavities corresponding to the intermediate cavity, and the upper surface of the lower mold plate has a plurality of lower cavities corresponding to the intermediate cavity. When the upper mold plate, the intermediate mold assembly and the lower mold plate are closed, the upper and lower ends of the intermediate cavity are respectively connected with the upper cavity and the lower cavity to form a product cavity. The middle template has several receiving grooves on one side, and the receiving grooves are arranged in the left-right direction. The receiving grooves all penetrate the upper and lower surfaces of the middle template. One end of the mold core extends to form a forming part, and the intermediate cavity is formed between the forming parts of two adjacent mold cores. During assembly, the forming part extends into the receiving groove. The upper surface of the template is provided with several positioning grooves, which correspond one-to-one with and are connected to the receiving grooves. Several mold cores are detachably connected to the corresponding positioning grooves. The mold core is an assembly, which includes a slider and a pressure block that are connected separately. One end of the slider can slide left and right on the left side of the positioning groove. The pressure block can be embedded in the right side of the positioning groove. A first inclined surface is formed on the left side of the pressure block, and a second inclined surface is formed on the right side of the pressure block. The first inclined surface extends from bottom to top and to the left, and the second inclined surface extends from bottom to top and to the right. A third inclined surface corresponding to the first inclined surface is formed on the right side of the slider. A fourth inclined surface corresponding to the second inclined surface is formed on the right side of the positioning groove. A fifth inclined surface is formed on the left side of the slider, and a sixth inclined surface is formed on the left side of the positioning groove. When the mold is closed, the fifth inclined surface and the sixth inclined surface abut and fit together. One end of the pressure block is embedded from top to bottom into the positioning groove so that the first inclined surface abuts and fits together with the third inclined surface, and the second inclined surface abuts and fits together with the fourth inclined surface.

2. The silicone molding die according to claim 1, characterized in that, An extension column is provided between two adjacent receiving slots. One end of the extension column is connected to the middle template, and the other end of the extension column protrudes radially outward to form a protrusion that extends into the middle cavity.

3. The silicone molding die according to claim 2, characterized in that, A first positioning recess is formed between the upper surface of the protrusion and the connecting column and the side wall of the middle template. A first positioning protrusion corresponding to the first positioning recess is formed on the lower surface of the upper template. When the mold is closed, the first positioning protrusion is embedded in the first recess.

4. The silicone molding die according to claim 3, characterized in that, The upper end of the mold core is provided with a first positioning notch on the side near the adjacent first positioning recess. When the mold is closed, the left and right side walls of the first positioning protrusion abut against the inner wall surface of the corresponding first positioning notch.

5. The silicone molding die according to claim 1, characterized in that, The upper surface of the lower template is provided with positioning holes, and the lower surface of the middle template is provided with positioning posts. When the mold is closed, the positioning posts on the middle template are embedded in the positioning holes of the lower template.

6. The silicone molding die according to claim 1, characterized in that, The template has handles on both the left and right sidewalls.

7. The silicone molding die according to any one of claims 1-6, characterized in that, One of the two adjacent mold cores has a left cavity formed on its sidewall, and the other has a right cavity formed on its sidewall. The left and right cavities penetrate the upper and lower surfaces of the corresponding mold cores, and an intermediate cavity is formed between the left and right cavities.

8. A silicone product hot pressing molding machine, characterized in that, The device includes an upper hot press plate, a lower hot press plate, a lifting drive mechanism, and a silicone molding die as described in any one of claims 1-7. The upper hot press plate is connected to an upper template, the lower hot press plate is connected to a lower template, and the lifting drive mechanism drives the upper hot press plate to move up and down relative to the lower hot press plate, so as to open or close the silicone molding die.

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