High-temperature vulcanized silicone rubber hot-pressing mold

Abstract

The utility model relates to the technical field of hot-pressing molds, and discloses a high-temperature vulcanized silicone rubber hot-pressing mold which comprises an upper mold plate, the lower template is arranged at the bottom of the upper template; the anti-displacement mechanism is arranged between the upper die plate and the lower die plate, the anti-displacement mechanism comprises a connecting plate, a groove, a connecting block and a limiting block, the limiting block is arranged in the groove, and the groove is formed in the bottom of the upper die plate; spherical vulcanized silicone rubber is placed between the upper mold plate and the lower mold plate and can be extruded by the upper mold plate and the lower mold plate, when the upper mold plate is close to the lower mold plate, the connecting plate drives the connecting block to extrude the limiting block, and the inclined surface of the limiting block is extruded, so that the limiting block moves without stopping the connecting plate from being inserted into the groove; and after the connecting plate is completely inserted, the limiting block resets to block the connecting block, so that the upper template and the lower template are firmly attached together and do not slide, and the product quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hot pressing moulds, in particular to a high-temperature vulcanized silicone rubber hot pressing mould. Background Art

[0002] Hot pressing is a simple and commonly used molding method for high-temperature vulcanized silicone rubber. After the mold is heated, the rubber is put into the mold cavity, and the mold is placed between heating plates. It is kept warm for a certain period of time under a certain pressure to complete the vulcanization process of the high-temperature vulcanized silicone rubber and obtain products of the required shape and size, thereby meeting the production and processing needs of vulcanized silicone rubber.

[0003] Chinese Patent Publication No.: CN210190290U discloses "A solid state vulcanization molding mold for silicone sleeve processing", including a base, a lower mold is fixed on the base, an upper mold is pressed on the lower mold, a positioning guide sleeve is provided in the lower mold, a positioning guide column is inserted in the upper mold, and one end of the positioning guide column is embedded in the positioning guide sleeve, a core is provided in the upper mold, a cavity is provided in the lower mold, and the core and the cavity are correspondingly arranged, one end of the core is fixedly connected to the ejector rod, and the end of the ejector rod is fixedly connected to the push plate, a movable core strip is also inserted at the connection between the upper mold and the lower mold, the push plate is slidably connected to the movable core strip through a push plate slide rail, and one end of the push plate is also connected to a push plate buckle plate.

[0004] However, in this patent, when the mold is subjected to pressure, the upper mold piece and the lower mold piece are prone to slide, which affects the sealing of the mold and causes the rubber to overflow, thereby reducing the quality of the product. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a high-temperature vulcanized silicone rubber hot pressing mold.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-temperature vulcanized silicone rubber hot pressing mold, comprising an upper mold plate; a lower mold plate arranged at the bottom of the upper mold plate; and an anti-displacement mechanism arranged between the upper mold plate and the lower mold plate, the anti-displacement mechanism comprising a connecting plate, a groove, a connecting block and a limiting block, the limiting block is arranged inside the groove, the groove is opened at the bottom of the upper mold plate, the connecting plate is fixedly connected to the top of the lower mold plate and plugged into the inside of the groove, the connecting block is fixedly connected to the outer wall of the connecting plate, and the bottom of the limiting block and the top of the connecting block are both provided with inclined surfaces.

[0009] Preferably, the bottom of the limit block is fixedly connected with a connecting piece, the inside of the groove is fixedly connected with a round rod, and the round rod passes through the connecting piece and is slidably connected with the connecting piece, the outer wall of the round rod is sleeved with a spring, and the two ends of the spring are respectively fixedly connected to the inner wall of the groove and the outer wall of the connecting piece. By setting the round rod, the limit block can move stably horizontally, and the setting of the spring can drive the limit block to reset.

[0010] Preferably, a fixed pulley 1 is fixedly installed inside the groove, a cylinder is fixedly installed on the upper template, and the fixed pulley 1 is movably connected with a rope. The limit block can be pulled by setting the rope, and the setting of the fixed pulley 1 can change the pulling direction of the rope.

[0011] Preferably, a second fixed pulley is fixedly installed inside the groove, and the rope passes through the second fixed pulley and is movably connected to the second fixed pulley. By setting the second fixed pulley, it is possible to prevent the rope from being loosened and detached when the limit block moves.

[0012] Preferably, both ends of the rope are fixedly connected with steel rings, the output end of the cylinder is fixedly installed with hook 1, and one end of the limit block is fixedly installed with hook 2. By arranging the steel ring, hook 1 and hook 2, the installation of the rope is convenient.

[0013] Preferably, the steel rings at both ends of the rope are respectively mounted on hook one and hook two.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a high-temperature vulcanized silicone rubber hot pressing mold, which has the following beneficial effects:

[0016] 1. A high-temperature vulcanized silicone rubber hot pressing mold, by placing spherical vulcanized silicone rubber between an upper template and a lower template, the two can extrude it. When the upper template is close to the lower template, the connecting plate drives the connecting block to extrude the limit block. The inclined surface of the limit block is squeezed, so that the limit block moves and does not block the connecting plate from being inserted into the groove. After the connecting plate is fully inserted, the limit block is reset to block the connecting block, so that the upper template and the lower template are firmly fitted together without sliding, thereby improving the quality of the product.

[0017] 2. This high-temperature vulcanized silicone rubber hot pressing mold can prevent the rope from being loosened and detached when the limit block moves by setting the fixed pulley No. 2. The steel ring, the hook No. 1 and the hook No. 2 are set to facilitate the removal of the rope, thereby facilitating the staff to replace the severely worn rope. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a cross-sectional view of the upper template of the utility model;

[0021] Figure 3 It is an enlarged view of A of the present utility model.

[0022] In the figure: 1. upper template; 2. lower template; 3. anti-displacement mechanism; 301. connecting plate; 302. groove; 303. connecting block; 304. limiting block; 305. connecting piece; 306. round rod; 307. spring; 308. rope; 309. fixed pulley one; 310. cylinder; 4. steel ring; 5. fixed pulley two; 6. hook two; 7. hook one. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1

[0025] like Figure 1-3As shown, the utility model provides a high-temperature vulcanized silicone rubber hot pressing mold, including an upper mold plate 1; a lower mold plate 2 arranged at the bottom of the upper mold plate 1, the lower mold plate 2 and the upper mold plate 1 can heat and extrude the spherical vulcanized silicone rubber, which is the prior art; and an anti-displacement mechanism 3 arranged between the upper mold plate 1 and the lower mold plate 2, the anti-displacement mechanism 3 includes a connecting plate 301, a groove 302, a connecting block 303 and a limiting block 304, the limiting block 304 is arranged inside the groove 302, the groove 302 is opened at the bottom of the upper mold plate 1, the connecting plate 301 is fixedly connected to the top of the lower mold plate 2 and plugged into the inside of the groove 302, the connecting block 303 is fixedly connected to the outer wall of the connecting plate 301, and the bottom of the limiting block 304 and the top of the connecting block 303 are both provided with inclined surfaces, and the limiting block 304 is provided with an inclined surface. 4 is fixedly connected with a connecting piece 305 at the bottom, and a round rod 306 is fixedly connected inside the groove 302, and the round rod 306 penetrates the connecting piece 305 and is slidably connected with the connecting piece 305, and a spring 307 is sleeved on the outer wall of the round rod 306, and the two ends of the spring 307 are respectively fixedly connected with the inner wall of the groove 302 and the outer wall of the connecting piece 305, and the round rod 306 is provided to make the limit block 304 move stably horizontally, and the setting of the spring 307 can drive the limit block 304 to reset, and a fixed pulley 309 is fixedly installed inside the groove 302, and a cylinder 310 is fixedly installed on the upper template 1, and the fixed pulley 309 is movably connected with a rope 308, and the limit block 304 can be pulled by setting the rope 308, and the setting of the fixed pulley 309 can change the pulling direction of the rope 308.

[0026] In this embodiment, by placing the spherical vulcanized silicone rubber between the upper template 1 and the lower template 2, the two can extrude it. When the upper template 1 is close to the lower template 2, the connecting plate 301 drives the connecting block 303 to extrude the limit block 304. The inclined surface of the limit block 304 is squeezed, so that the limit block 304 moves and does not block the connecting plate 301 from being inserted into the groove 302. After the connecting plate 301 is fully inserted, the limit block 304 resets to block the connecting block 303, so that the upper template 1 and the lower template 2 fit together firmly without sliding, thereby improving the quality of the product.

[0027] Example 2

[0028] like Figure 1-3 As shown, based on Example 1, the utility model provides a technical solution: preferably, a fixed pulley 5 is fixedly installed inside the groove 302, and the rope 308 passes through the fixed pulley 5 and is movably connected to the fixed pulley 5.

[0029] In this embodiment, by providing the fixed pulley 25, it is possible to prevent the rope 308 from being loosened and falling off when the limit block 304 moves.

[0030] Example 3

[0031] like Figure 1-3 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, both ends of the rope 308 are fixedly connected with steel rings 4, the output end of the cylinder 310 is fixedly installed with a hook 7, and one end of the limit block 304 is fixedly installed with a hook 2 6. By arranging the steel ring 4, the hook 1 7 and the hook 2 6, the installation of the rope 308 is facilitated, and the steel rings 4 at both ends of the rope 308 are respectively mounted on the hook 1 7 and the hook 2 6.

[0032] In this embodiment, by providing the steel ring 4, the hook one 7 and the hook two 6, the rope 308 is easy to disassemble, thereby making it convenient for the staff to replace the rope 308 that is severely worn.

[0033] The following is a detailed description of the working principle of this high-temperature vulcanized silicone rubber hot pressing mold.

[0034] like Figure 1-3 As shown, when in use, by placing the spherical vulcanized silicone rubber between the upper template 1 and the lower template 2, the two can extrude it. When the upper template 1 is close to the lower template 2, the connecting plate 301 drives the connecting block 303 to extrude the limiting block 304. The inclined surface of the limiting block 304 is squeezed, so that the limiting block 304 moves and does not block the connecting plate 301 from being inserted into the groove 302. After the connecting plate 301 is fully inserted, the limiting block 304 resets to block the connecting block 303, so that the upper template 1 and the lower template 2 are firmly attached together without sliding. Improve product quality; by setting the fixed pulley 2 5, it is possible to prevent the rope 308 from becoming loose and detaching when the limit block 304 moves. By setting the steel ring 4, the hook 1 7 and the hook 2 6, the rope 308 is easy to disassemble, thereby making it convenient for the staff to replace the rope 308 that is severely worn. When separating the upper template 1 and the lower template 2, start the cylinder 310, the cylinder 310 pulls the rope 308, and the rope 308 pulls the limit block 304, so that the connection block 303 is released from restriction, and the upper template 1 and the lower template 2 can be separated.

Claims

1. A high temperature vulcanized silicone rubber hot pressing mold, comprising an upper mold plate (1); A lower template (2) is arranged at the bottom of the upper template (1); and an anti-displacement mechanism (3) arranged between the upper template (1) and the lower template (2), characterized in that: The anti-displacement mechanism (3) comprises a connecting plate (301), a groove (302), a connecting block (303) and a limiting block (304); the limiting block (304) is arranged inside the groove (302); the groove (302) is opened at the bottom of the upper template (1); the connecting plate (301) is fixedly connected to the top of the lower template (2) and inserted into the groove (302); the connecting block (303) is fixedly connected to the outer wall of the connecting plate (301); and the bottom of the limiting block (304) and the top of the connecting block (303) are both provided with inclined surfaces.

2. A high temperature vulcanized silicone rubber hot pressing mold according to claim 1, characterized in that: A connecting piece (305) is fixedly connected to the bottom of the limit block (304), a round rod (306) is fixedly connected to the inside of the groove (302), and the round rod (306) passes through the connecting piece (305) and is slidably connected to the connecting piece (305), a spring (307) is sleeved on the outer wall of the round rod (306), and two ends of the spring (307) are respectively fixedly connected to the inner wall of the groove (302) and the outer wall of the connecting piece (305).

3. A high temperature vulcanized silicone rubber hot pressing mold according to claim 2, characterized in that: A fixed pulley (309) is fixedly installed inside the groove (302), a cylinder (310) is fixedly installed on the upper template (1), and a rope (308) is movably connected to the fixed pulley (309).

4. A high temperature vulcanized silicone rubber hot pressing mold according to claim 3, characterized in that: A second fixed pulley (5) is fixedly installed inside the groove (302), and the rope (308) passes through the second fixed pulley (5) and is movably connected to the second fixed pulley (5).

5. A high temperature vulcanized silicone rubber hot pressing mold according to claim 3, characterized in that: Both ends of the rope (308) are fixedly connected to a steel ring (4), the output end of the cylinder (310) is fixedly installed with a hook 1 (7), and one end of the limit block (304) is fixedly installed with a hook 2 (6).

6. A high temperature vulcanized silicone rubber hot pressing mold according to claim 5, characterized in that: The steel rings (4) at both ends of the rope (308) are respectively mounted on the first hook (7) and the second hook (6).

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