Automatic rubber hot press molding equipment

Abstract

The utility model discloses a kind of rubber automatic hot-pressing forming equipment, belong to hot-pressing processing technical field, including the hot-pressing lower die and hot-pressing upper die for rubber product hot-pressing forming, hot-pressing lower die is installed in the inner wall of assembly frame, the top end of assembly frame is embedded and installed with the hydraulic rod for providing power for automatic hot-pressing forming, the movable part of hydraulic rod is connected with heat insulation plate, heat insulation plate and hot-pressing upper die are detachably connected by bolt;The outer periphery of assembly frame is rotatably connected with U-shaped counterweight plate by pivot, the outer wall of counterweight plate is installed with servo motor for providing power for pivot, the top end of assembly frame is installed with level, the top end of hot-pressing upper die is welded with multiple L-shaped inserting rods, the outer periphery of hot-pressing lower die is welded with multiple limiting tubes adapted with inserting rod.The rubber automatic hot-pressing forming equipment can adjust blanking, and does not affect subsequent hot-pressing operation.

Description

Technical Field

[0001] This utility model belongs to the field of hot pressing technology, and in particular to an automatic hot pressing molding equipment for rubber. Background Technology

[0002] Hot pressing equipment is a device that uses heating and pressing to hot press rubber materials in a mold. After processing, hot pressing equipment has multiple unloading methods. The motor can drive the lower mold to rotate, and the ejection structure can better unload the material. However, if the reset and return accuracy is not high when only adjusting the lower mold, it will affect the next hot pressing operation.

[0003] A search revealed a Chinese patent document (authorization announcement number CN222681537U) entitled "High-Efficiency Rubber Hot Press Molding Equipment," which includes a molding table, a discharge assembly, and a stabilizing assembly. The molding table includes a lower mold, an upper mold, a pressing cylinder, and a fixing arm. This utility model describes a high-efficiency rubber hot press molding equipment where, after the high-temperature resistant rubber product in the lower mold is hot-pressed by the upper mold, it can be rotated to a vertical position by a reduction motor. A pusher cylinder at the rear end then compresses the pusher column in the lower mold, quickly and easily ejecting the hot-pressed high-temperature resistant rubber product from the lower mold, thus improving the convenience of material discharge. Furthermore, after the lower mold rotates to a vertical position, the positioning cylinders on both sides of the fixing frame are driven into the positioning ports on both sides of the lower mold, ensuring the stability of the material discharge. While the motor in the above-mentioned patent's molding equipment can drive the lower mold to rotate, and the ejection structure allows for better material discharge, adjusting only the lower mold can affect subsequent hot press operations if the reset and return accuracy is not high. Utility Model Content

[0004] The purpose of this invention is to provide an automatic rubber hot pressing molding equipment to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic rubber hot pressing molding equipment, including a lower hot pressing mold and an upper hot pressing mold for hot pressing rubber products. The lower hot pressing mold is installed on the inner wall of an assembly frame. A hydraulic rod for providing power for automatic hot pressing molding is embedded in the top of the assembly frame. The movable part of the hydraulic rod is connected to a heat insulation plate. The heat insulation plate is detachably connected to the upper hot pressing mold by bolts. The outer periphery of the assembly frame is rotatably connected to a U-shaped counterweight plate via a rotating shaft. A servo motor that provides power to the rotating shaft is installed on the outer wall of the counterweight plate, and a level is installed at the top of the assembly frame.

[0006] As a preferred embodiment, the top of the hot-pressing upper mold is welded with multiple L-shaped inserts, and the outer periphery of the hot-pressing lower mold is welded with multiple limiting tubes that are adapted to the inserts.

[0007] As a preferred embodiment, the side of the insertion rod is constructed as a hemispherical surface to facilitate insertion.

[0008] As a preferred embodiment, the bottom end of the hot pressing mold is provided with multiple push channels, and multiple electric push rods are installed on the outer periphery of the assembly frame.

[0009] As a preferred embodiment, the moving part of the electric push rod is connected to a push rod adapted to the push channel.

[0010] As a preferred embodiment, multiple heat insulation blocks are welded to the bottom of the hot-pressing mold, and hollow plates are welded to the bottom of the heat insulation blocks.

[0011] As a preferred embodiment, the hollow plate has a movable plate inside, a spring is welded between the movable plate and the heat insulation block, and a rotating rod is rotatably connected between the two corresponding movable plates.

[0012] As a preferred embodiment, the outer periphery of the rotating rod is welded with multiple eccentric wheels for vibrating hot pressing molds, and a rotary motor that provides power to the rotating rod is mounted on the outer periphery of one of the movable plates.

[0013] Compared with the prior art, the technical effects and advantages of this utility model are as follows: This automatic rubber hot pressing molding equipment benefits from the design of the servo motor and assembly frame. The servo motor can drive the assembly frame to rotate, changing the angle and orientation of the lower hot pressing mold, so that the opening of the lower hot pressing mold faces downward or tilts downward, allowing the molded rubber product to fall with gravity. In addition, both the lower hot pressing mold and the upper hot pressing mold are located within the assembly frame. When adjusting the assembly frame, the lower hot pressing mold and the upper hot pressing mold move synchronously without affecting the next hot pressing operation. When moving, the side of the insertion rod is constructed as a hemispherical surface for easy insertion, facilitating the insertion of the limiting tube and the insertion of the upper hot pressing mold into the lower hot pressing mold. This automatic rubber hot pressing molding equipment benefits from the design of electric push rods and rotary motors. During material feeding, the electric push rod drives the push rod to move, thereby pushing the rubber product away. The rotary motor drives the rotating rod to rotate, which in turn drives the eccentric wheel to rotate. During the rotation of the eccentric wheel, it intermittently strikes the hot pressing mold, thereby vibrating the hot pressing mold and assisting in the feeding of the rubber product. This automatic rubber hot pressing molding equipment can adjust the material feeding without affecting subsequent hot pressing operations. Attached Figure Description

[0014] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a left-side view of the assembly frame of this utility model; Figure 3 This is a left-side view of the heat insulation block and eccentric wheel of this utility model; Figure 4 This is a partial front view of the heat insulation block and eccentric wheel of this utility model.

[0016] Explanation of reference numerals in the attached figures: In the picture: 1. Lower hot press mold; 2. Upper hot press mold; 3. Assembly frame; 4. Hydraulic rod; 5. Heat insulation plate; 6. Counterweight plate; 7. Servo motor; 8. Level; 9. Insert rod; 10. Limiting tube; 11. Electric push rod; 12. Push rod; 13. Heat insulation block; 14. Hollow plate; 15. Movable plate; 16. Spring; 17. Rotating rod; 18. Eccentric wheel; 19. Rotary motor. Detailed Implementation

[0017] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.

[0018] Unless otherwise defined, the directions mentioned herein, such as up, down, left, right, front, back, inside, and outside, are based on the directions shown in the figures of this utility model, and are explained here together.

[0019] The connection method can adopt existing methods such as bonding, welding, and bolting, depending on the actual needs. Techniques, methods and equipment known to those skilled in the art may not be discussed in detail. However, where appropriate, the techniques, methods and equipment should be regarded as part of the specification. The proportions of the components in the drawings are for reference only and can be adjusted to a certain extent according to the actual use.

[0020] Please see Figures 1 to 4As shown, an automatic rubber hot pressing molding equipment includes a lower hot pressing mold 1 and an upper hot pressing mold 2 for hot pressing rubber products. Both the lower hot pressing mold 1 and the upper hot pressing mold 2 are existing technologies, and their specific operation and monitoring are not described in detail. The lower hot pressing mold 1 is installed on the inner wall of the assembly frame 3. A hydraulic rod 4 for providing power for automatic hot pressing molding is embedded in the top of the assembly frame 3. The movable part of the hydraulic rod 4 is connected to a heat insulation plate 5. The heat insulation plate 5 is detachably connected to the upper hot pressing mold 2 by bolts. Then, rubber material is introduced into the lower hot pressing mold 1. After the introduction is completed, the hydraulic rod 4 is extended to drive the upper hot pressing mold 2 to move down. The heating equipment of the lower hot pressing mold 1 and the upper hot pressing mold 2 is turned on, thereby realizing hot pressing. The outer periphery of the assembly frame 3 is rotatably connected to a U-shaped counterweight plate 6 via a rotating shaft. Side support plates are welded to both sides of the counterweight plate 6 to improve stability. Counterweights can also be placed on it to further enhance stability. A servo motor 7, which provides power to the rotating shaft, is installed on the outer wall of the counterweight plate 6. A level 8 is installed at the top of the assembly frame 3. The servo motor 7 can drive the assembly frame 3 to rotate, changing the angle of the lower hot-pressing mold 1 and improving the uniformity of product molding. After hot pressing is completed, the servo motor 7 stops rotating, and at this time, the opening of the lower hot-pressing mold 1 is made to face downwards or tilt downwards, so that the molded rubber product falls with gravity. In addition, both the lower hot-pressing mold 1 and the upper hot-pressing mold 2 are located inside the assembly frame 3. When adjusting the assembly frame 3, the lower hot-pressing mold 1 and the upper hot-pressing mold 2 move synchronously without affecting the next hot-pressing operation.

[0021] The top of the hot pressing upper mold 2 is welded with multiple L-shaped inserts 9, and the outer periphery of the hot pressing lower mold 1 is welded with multiple limiting tubes 10 that are adapted to the inserts 9. The side structure of the inserts 9 is a hemispherical surface that facilitates insertion. When moving, the side structure of the inserts 9 is a hemispherical surface that facilitates insertion, which makes it easy to insert into the limiting tubes 10 and to facilitate the insertion of the hot pressing upper mold 2 into the hot pressing lower mold 1.

[0022] To facilitate material feeding, the bottom of the hot-pressing mold 1 is provided with multiple feeding channels. Multiple electric push rods 11 are installed on the outer periphery of the assembly frame 3. The moving part of the electric push rod 11 is connected to a push rod 12 that is adapted to the feeding channel. As shown in the figure, the movement range of the electric push rod 11 is small. In addition, the rubber product itself is elastic, ensuring that the rubber product will not be damaged. The electric push rod 11 is controlled to drive the push rod 12 to move, thereby pushing the rubber product and assisting in the feeding of the rubber product. If the rubber product has not been fed, manual operation is performed.

[0023] To facilitate material feeding through impact and vibration, multiple heat insulation blocks 13 are welded to the bottom of the hot pressing mold 1. A hollow plate 14 is welded to the bottom of each heat insulation block 13. A movable plate 15 is installed inside the hollow plate 14. A spring 16 is welded between the movable plate 15 and the heat insulation block 13. A rotating rod 17 is rotatably connected between two corresponding movable plates 15. Multiple eccentric wheels 18 for vibrating the hot pressing mold 1 are welded to the outer periphery of the rotating rod 17. A rotary motor 19 that provides power to the rotating rod 17 is installed on the outer periphery of one of the movable plates 15. The rotary motor 19 drives the rotating rod 17 to rotate, which in turn drives the eccentric wheel 18 to rotate. During rotation, the eccentric wheel 18 intermittently impacts the hot pressing mold 1, thereby vibrating the hot pressing mold 2 and assisting in the feeding of the rubber product.

[0024] Because this application is conducted in a high-temperature environment, all structures and instruments are insulated and heat-resistant, and are regularly maintained and replaced to ensure safe operation.

[0025] The lower hot press mold 1, upper hot press mold 2, hydraulic rod 4, servo motor 7, electric push rod 11, and rotary motor 19 are all conventional instruments. Their working principles, dimensions, and models are irrelevant to the function of this application, so they will not be described in detail. The control method of this utility model is through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming. In order to facilitate the inspection, maintenance, and parts replacement of the device, the parts inside a single device are usually from the same manufacturer and of the same model, function, and batch. Therefore, even if there is a certain difference between two or more electrical control devices, the synchronous movement of the electrical control devices can still be maintained under the action of the controller. The power supply is also common knowledge in the field. Furthermore, this utility model is mainly used to protect mechanical devices, so the control method and circuit connection will not be explained in detail in this utility model. All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology.

[0026] Working principle This automatic rubber hot pressing molding equipment introduces rubber material into the lower hot pressing mold 1. After the introduction is completed, the hydraulic rod 4 is extended to drive the upper hot pressing mold 2 to move down. At this time, the insertion rod 9 will be inserted into the limiting tube 10 first. Then the upper hot pressing mold 2 is accurately inserted into the lower hot pressing mold 1. The heating equipment of the lower hot pressing mold 1 and the upper hot pressing mold 2 is turned on to realize hot pressing. During this process, the servo motor 7 can drive the assembly frame 3 to rotate, change the angle of the hot pressing mold 1, and improve the uniformity of product molding. After the hot pressing is completed, the servo motor 7 stops rotating, and at this time, the opening of the hot pressing mold 1 is made to face downward or tilt downward. The hydraulic rod 4 is controlled to retract and reset. At this time, the rotary motor 19 is turned on, and the rotary motor 19 drives the rotating rod 17 to rotate, which drives the eccentric wheel 18 to rotate. During the rotation, the eccentric wheel 18 will intermittently hit the hot pressing mold 1, realize the vibration of the hot pressing mold 2, and assist the rubber product to be unloaded. If it has not been unloaded, the electric push rod 11 is controlled to drive the push rod 12 to move, thereby pushing away the rubber product and assisting the rubber product to be unloaded.

[0027] It should be noted that, in this document, relational terms such as "one" and "two" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rubber automatic hot press molding apparatus comprising a hot press lower mold (1) and a hot press upper mold (2) for hot press molding of a rubber product, characterized by, The lower hot press mold (1) is installed on the inner wall of the assembly frame (3). The top of the assembly frame (3) is fitted with a hydraulic rod (4) for providing power for automatic hot pressing. The movable part of the hydraulic rod (4) is connected to a heat insulation plate (5). The heat insulation plate (5) is detachably connected to the upper hot press mold (2) by bolts. The outer periphery of the assembly frame (3) is rotatably connected to a U-shaped counterweight plate (6) via a rotating shaft. A servo motor (7) that provides power to the rotating shaft is installed on the outer wall of the counterweight plate (6). A level (8) is installed on the top of the assembly frame (3).

2. The automatic rubber heat press molding apparatus according to claim 1, wherein The top of the hot press upper mold (2) is welded with a plurality of L-shaped inserts (9), and the outer periphery of the hot press lower mold (1) is welded with a plurality of limiting tubes (10) that are adapted to the inserts (9).

3. The automatic rubber heat press molding apparatus according to claim 2, wherein The side of the insertion rod (9) is a hemispherical surface that facilitates insertion.

4. The automatic rubber heat press molding apparatus according to claim 1, wherein The bottom end of the hot pressing mold (1) is provided with multiple push channels, and multiple electric push rods (11) are installed on the outer periphery of the assembly frame (3).

5. The automatic rubber heat press molding apparatus according to claim 4, wherein The moving part of the electric push rod (11) is connected to a push rod (12) adapted to the push channel.

6. The automatic rubber hot pressing molding equipment according to claim 4, characterized in that, The bottom end of the hot pressing mold (1) is provided with a plurality of heat insulation blocks (13), and the bottom end of the heat insulation blocks (13) is provided with a hollow plate (14).

7. The automatic rubber heat press molding apparatus according to claim 6, wherein The hollow plate (14) has a movable plate (15) in its inner cavity. A spring (16) is provided between the movable plate (15) and the heat insulation block (13). A rotating rod (17) is rotatably connected between the two corresponding movable plates (15).

8. The automatic rubber heat press molding apparatus according to claim 7, wherein The outer periphery of the rotating rod (17) is welded with a plurality of eccentric wheels (18) for vibrating the hot pressing mold (1), and a rotary motor (19) for providing power to the rotating rod (17) is mounted on the outer periphery of one of the movable plates (15).

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