A rubber hot pressing molding mold

Abstract

The utility model discloses a rubber hot-pressing molding die, relates to the technical field of hot-pressing molding, comprises a molding component arranged inside a vulcanizer body, the molding component comprises two adjusting rods one and two adjusting rods, the two adjusting rods one are rotatably mounted inside the vulcanizer body at front and rear end positions respectively, and the two adjusting rods two are fixedly mounted on the top ends of the two adjusting rods one through connecting blocks, the outer circles of the adjusting rods one and the adjusting rods two are rotatably mounted with a middle hot plate at a center position, through the molding component, it is convenient to close and open the mold at the same time, it is convenient to improve the hot-pressing molding efficiency, it is convenient to reduce the overall number of hot-pressing plates, thereby reducing the overall cost, and solves the problem that in traditional rubber hot-pressing molding molds, it is difficult to open multiple molds at the same time, which affects the processing efficiency, and multiple upper and lower pressing plates need to be prepared to apply pressure to the mold through the upper and lower templates, and the use cost is high.

Description

Technical Field

[0001] The utility model relates to the technical field of hot pressing molding, in particular to a rubber hot pressing molding die. Background Art

[0002] Rubber vulcanization is a process in which rubber macromolecules react chemically with cross-linking agents under certain temperature, time and pressure to form a three-dimensional network structure. During rubber vulcanization, it needs to be molded by a rubber vulcanizer. During production, the rubber blank needs to be placed in a molding mold, and pressurized and heated after the mold is closed, so that the rubber blank is hot-pressed and vulcanized in the molding mold;

[0003] When using existing rubber hot pressing molds, in order to improve processing efficiency, multiple hot pressing plates are usually used to apply pressure to multiple molds. However, during use, the molds need to be closed and opened from bottom to top, and it is difficult to open multiple molds at the same time, which affects the processing efficiency. In addition, the molds are pressurized by upper and lower templates, and the structure is relatively simple. When the number of molds is large, multiple upper and lower pressure plates need to be prepared, which has a high cost. Utility Model Content

[0004] The main purpose of the utility model is to provide a rubber hot pressing molding die, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A rubber hot pressing molding die comprises a molding assembly arranged inside a vulcanizer body, wherein the molding assembly comprises two adjusting rods 1 and 2;

[0007] The two adjusting rods are rotatably installed in the front and rear ends of the inner body of the vulcanizer, and the two adjusting rods are fixedly installed on the top ends of the two adjusting rods through connecting blocks, and the outer circles of the adjusting rods are rotatably installed with the middle heating plate in the center position, and the outer circles of the adjusting rods are provided with external threads, and the outer circles of the adjusting rods are threadedly connected with connecting plates at the upper and lower positions of the middle heating plate, and two connecting plates at the same height form a group, and each group of connecting plates above the middle heating plate is installed with an upper heating plate by fixing bolts one, and each group of connecting plates below the middle heating plate is installed with a lower heating plate by fixing bolts two, and the upper and lower surfaces of the middle heating plate are respectively installed with a lower mold frame one and an upper mold frame two, and the bottom surface of the upper heating plate is installed with an upper mold frame one matching with the lower mold frame one, and the top surface of the lower heating plate is installed with a lower mold frame two matching with the upper mold frame two.

[0008] As a further solution of the utility model, a pressure motor is installed at a lower position inside the vulcanizer body, and the drive shaft of the pressure motor is transmission-connected to the two adjustment rods through a transmission chain belt set.

[0009] As a further solution of the utility model, the front and rear ends of the two medium heat plates are fixedly connected to the vulcanizer body through a mounting plate, and a limit block 1 is provided at the upper and lower ends of the mounting plate, and a limit block 2 matching the limit block 1 is provided on one side of the connecting plates close to the mounting plate.

[0010] As a further solution of the utility model, the external threads on the outer rings of the adjusting rod 1 and the adjusting rod 2 are divided into upper and lower sections by a medium heat plate, and the length of each section of the external threads is the same but the directions are opposite.

[0011] As a further solution of the utility model, the second adjusting rod is detachably connected to the first adjusting rod via a connecting block, and the top ends of the two second adjusting rods are rotatably connected to the vulcanizer body via bearings.

[0012] As a further solution of the utility model, the sizes of the upper heating plates, the lower heating plates and the middle heating plates are consistent, and the outer rings of the upper heating plates and the lower heating plates do not contact the inner wall of the vulcanizer body.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model provides a molding assembly, and a pressure motor drives the first and second adjusting rods to rotate synchronously, so that the upper and lower heating plates can be moved away from or close to the middle heating plate, so that the molds can be closed and opened at the same time, and the molds can be opened from bottom to top in sequence, so that the molded rubber products can be taken out, and the efficiency of hot pressing molding can be improved;

[0015] The upper mold frame 1 and the lower mold frame 2 are installed on the lower hot plate and the upper hot plate, and the matching lower mold frame 1 and the lower mold frame 2 are installed on the middle hot plate. Therefore, in the subsequent hot pressing molding, there is no need to prepare multiple upper hot plates and lower hot plates, which is convenient for reducing the overall number of hot pressing plates, thereby reducing the overall cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a rubber hot pressing molding mold of the utility model;

[0017] Figure 2 It is a schematic diagram of the connection between the pressure motor and the adjusting rod 1 in the overall structure of a rubber hot pressing molding mold of the utility model;

[0018] Figure 3 This is a schematic structural diagram of a molding component in a rubber hot pressing molding die of the utility model;

[0019] Figure 4 It is a top view of the connection between an upper heating plate and a connecting plate in the overall structure of a rubber hot pressing molding die of the utility model.

[0020] In the figure: 1. vulcanizer body; 2. molding assembly; 3. adjusting rod 1; 4. adjusting rod 2; 5. connecting block; 6. middle hot plate; 7. lower hot plate; 8. upper hot plate; 9. connecting plate; 10. lower mold frame 1; 11. upper mold frame 1; 12. upper mold frame 2; 13. lower mold frame 2; 14. mounting plate; 15. pressure motor; 16. transmission chain belt assembly. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figure 1-4 As shown, a rubber hot pressing molding die comprises a molding assembly 2 arranged inside a vulcanizer body 1, wherein the molding assembly 2 comprises two adjusting rods 1 3 and 2 4;

[0023] Two adjusting rods 1 3 are rotatably mounted at the front and rear ends of the vulcanizer body 1, and two adjusting rods 2 4 are fixedly mounted on the tops of the two adjusting rods 1 3 through connecting blocks 5. The outer rings of the adjusting rods 1 3 and the adjusting rods 2 4 are rotatably mounted with a medium heat plate 6 in the center position. The outer rings of the adjusting rods 1 3 and the adjusting rods 2 4 are both provided with external threads. The outer rings of the adjusting rods 1 3 and the adjusting rods 2 4 and the upper and lower positions of the medium heat plate 6 are both threadedly connected with connecting plates 9, and two connecting plates 9 at the same height are a group. Each group of connecting plates 9 above the medium heat plate 6 is installed with an upper heat plate 8 through a fixing bolt 1, and each group of connecting plates 9 below the medium heat plate 6 is installed with a lower heat plate 7 through a fixing bolt 2. The upper and lower surfaces of the medium heat plate 6 are respectively installed with a lower mold frame 10 and an upper mold frame 2 12. The bottom surface of the upper heat plate 8 is installed with an upper mold frame 11 matching the lower mold frame 10, and the top surface of the lower heat plate 7 is installed with a lower mold frame 2 13 matching the upper mold frame 2 12.

[0024] In this embodiment, a pressure motor 15 is installed at a lower position inside the vulcanizer body 1, and the driving shaft of the pressure motor 15 is connected to the two adjusting rods 1 3 through a transmission chain belt group 16. By starting the pressure motor 15, the driving shaft of the pressure motor 15 rotates, driving the adjusting rod 1 3 and the adjusting rod 2 4 to rotate synchronously, thereby facilitating transmission.

[0025] In this embodiment, the front and rear ends of the two intermediate heat plates 6 are fixedly connected to the vulcanizer body 1 through the mounting plate 14, and the upper and lower ends of the mounting plate 14 are provided with limit blocks 1, and the sides of the connecting plates 9 close to the mounting plate 14 are provided with limit blocks 2 that match the limit blocks 1. By setting the limit blocks 1 and 2, the upper heat plate 8 and the lower heat plate 7 can be prevented from being too close to the intermediate heat plate 6, thereby reducing the probability of damage.

[0026] In this embodiment, the external threads formed on the outer circles of the adjusting rods 1 3 and 2 4 are divided into two sections, upper and lower, by the middle heating plate 6, and the length of each section of the external threads is the same but the directions are opposite. By rotating the adjusting rods 1 3 and 2 4 forward and reversely, the threads push the upper heating plate 8 and the lower heating plate 7 away from or close to the middle heating plate 6, so as to facilitate synchronous mold closing and mold opening.

[0027] In this embodiment, the adjusting rod 2 4 is detachably connected to the adjusting rod 1 3 through the connecting block 5, and the top ends of the two adjusting rods 2 4 are rotatably connected to the vulcanizer body 1 through bearings. The split arrangement is convenient for individual replacement after damage, and the rotatable connection avoids interference of the vulcanizer body 1 on the adjusting rod 2 4.

[0028] In this embodiment, the sizes of the upper and lower hot plates 8 and 7 are consistent with those of the middle hot plate 6, and the outer rings of the upper and lower hot plates 8 and 7 do not contact the inner wall of the vulcanizer body 1. Since the outer rings of the upper and lower hot plates 8 and 7 do not contact the inner wall of the vulcanizer body 1, the upper and lower hot plates 8 and 7 can be prevented from colliding during the movement process.

[0029] It should be noted that the utility model is a rubber hot pressing molding mold. When in use, firstly, the upper hot plate 8 and the lower hot plate 7 of each group of hot pressing molds are respectively installed above different middle hot plates 6, and the lower mold frame 10 and the upper mold frame 2 12 are respectively installed on the upper and lower surfaces of the middle hot plate 6, and the matching upper mold frame 1 11 and the lower mold frame 2 13 are respectively installed on the bottom surface of the upper hot plate 8 and the top surface of the lower hot plate 7, and the upper hot plate 8 and the lower hot plate 7 are both threadedly connected with the adjusting rod 1 3 and the adjusting rod 2 4 through the connecting plate 9;

[0030] At the same time, the outer rings of the adjusting rod 1 3 and the adjusting rod 2 4 are both provided with two sections of threads of the same length but in opposite directions, so that by starting the pressure motor 15, the driving shaft of the pressure motor 15 is rotated, driving the adjusting rod 1 3 and the adjusting rod 2 4 to rotate synchronously, so that the threads push the upper hot plate 8 and the lower hot plate 7 away from the middle hot plate 6, thereby driving the upper mold frame 1 11 on the upper hot plate 8 away from the lower mold frame 1 10, and at the same time driving the lower mold frame 2 13 on the lower hot plate 7 away from the upper mold frame 2 12, playing the role of opening the mold;

[0031] When closing the mold, the driving shaft of the pressure motor 15 can be reversed to drive the adjusting rod 1 3 and the adjusting rod 2 4 to reverse, so that the upper mold frame 1 11 and the lower mold frame 2 13 are again close to the lower mold frame 1 10 and the upper mold frame 2 12, so as to close the mold. When closing the mold, the rubber raw material can be added into the mold frame according to the prior art, so as to perform vulcanization hot pressing molding.

[0032] During the above-mentioned mold closing and mold opening, since the lower mold frame 10 and the upper mold frame 2 12 are installed on the middle hot plate 6, there is no need to prepare a plurality of matching lower hot plates 7 or upper hot plates 8, which is convenient for reducing the overall cost. At the same time, the middle hot plate 6 is stationary, so during use, an external positioning device can be installed at the middle hot plate 6 as needed to guide the lower hot plate 7 and the upper hot plate 8 moving back and forth.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A rubber hot pressing mold, characterized in that: The invention comprises a molding assembly (2) arranged inside a vulcanizing machine body (1), wherein the molding assembly (2) comprises two adjusting rods 1 (3) and 2 (4); The two adjusting rods (3) are rotatably mounted at the front and rear ends of the vulcanizer body (1), and the two adjusting rods (4) are fixedly mounted on the top ends of the two adjusting rods (3) through connecting blocks (5). The outer rings of the adjusting rods (3) and (4) are rotatably mounted with a medium heat plate (6) in the middle. The outer rings of the adjusting rods (3) and (4) are both provided with external threads. The outer rings of the adjusting rods (3) and (4) are both threadedly connected with connecting plates (9) at the upper and lower positions of the medium heat plate (6) and are at the same height. The two connecting plates (9) form a group, each group of connecting plates (9) located above the middle heating plate (6) is installed with an upper heating plate (8) through fixing bolt one, and each group of connecting plates (9) located below the middle heating plate (6) is installed with a lower heating plate (7) through fixing bolt two, and the upper and lower surfaces of the middle heating plate (6) are respectively installed with a lower mold frame one (10) and an upper mold frame two (12), the bottom surface of the upper heating plate (8) is installed with an upper mold frame one (11) that matches the lower mold frame one (10), and the top surface of the lower heating plate (7) is installed with a lower mold frame two (13) that matches the upper mold frame two (12).

2. A rubber hot pressing molding die according to claim 1, characterized in that: A pressure motor (15) is installed at a lower position inside the vulcanizer body (1), and the drive shaft of the pressure motor (15) is connected to the two adjustment rods (3) through a transmission chain belt group (16).

3. The rubber hot pressing molding die according to claim 1, characterized in that: The front and rear ends of the two intermediate heat plates (6) are fixedly connected to the vulcanizer body (1) via a mounting plate (14), and a limit block 1 is provided at the upper and lower ends of the mounting plate (14), and a limit block 2 matching the limit block 1 is provided on one side of a plurality of the connecting plates (9) close to the mounting plate (14).

4. The rubber hot pressing molding die according to claim 1, characterized in that: The external threads formed on the outer rings of the adjusting rod 1 (3) and the adjusting rod 2 (4) are divided into two sections, upper and lower, by a medium heat plate (6), and the lengths of the external threads of each section are the same but the directions are opposite.

5. The rubber hot pressing mold according to claim 4, characterized in that: The second adjusting rod (4) is detachably connected to the first adjusting rod (3) via a connecting block (5), and the top ends of the two second adjusting rods (4) are rotatably connected to the vulcanizer body (1) via bearings.

6. The rubber hot pressing molding die according to claim 3, characterized in that: The sizes of the upper heating plates (8), the lower heating plates (7) and the middle heating plates (6) are consistent, and the outer rings of the upper heating plates (8) and the lower heating plates (7) do not contact the inner wall of the vulcanizer body (1).

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