Transverse injection molding device for energy accumulator leather bag

Abstract

The invention relates to the field of injection molding devices, in particular to a transverse injection molding device for an energy accumulator leather bag. Comprising a top mold plate and a bottom mold plate, the top mold plate and the bottom mold plate are provided with injection mold cavities, the top mold plate and the bottom mold plate form a complete injection mold cavity when the top mold plate and the bottom mold plate are assembled up and down, a mold is arranged in the complete injection mold cavity, the top mold plate is provided with a plurality of injection mold openings, the bottom mold plate is provided with injection mold grooves, and the injection mold grooves correspond to the injection mold openings. The injection molding groove is connected with the injection molding cavity, a sizing material injected from the injection molding opening enters the injection molding groove and enters the injection molding cavity through the injection molding groove, and the injected sizing material is collected on a gap between the mold and the injection molding cavity for molding; limiting holes are formed in the periphery of the top formwork and the periphery of the bottom formwork, each limiting hole is provided with a hydraulic rod, the hydraulic rods are connected with an external hydraulic device, and opening and closing of the top formwork and the bottom formwork are achieved through control of the hydraulic devices. The injection-molded product is uniform in leather bag wall thickness, uniform in bag body density, seamless, good in performance and long in service life.

Description

Technical Field

[0001] The present invention relates to the field of injection molding devices, and in particular, to a horizontal injection molding device for accumulator bladders. Background Art

[0002] The accumulator bladder is the core component of a hydraulic accumulator, mainly used to isolate gas (nitrogen) from hydraulic oil, and to store and release energy through the compression and expansion of the gas. Its core functions include: absorbing pressure pulsations and shocks in the hydraulic system, releasing stored hydraulic oil in case of system failure to ensure safe shutdown of the equipment, and compensating for volume changes of hydraulic oil caused by temperature or leakage. In the prior art, accumulator bladders are injection molded using injection molding devices. However, when injecting accumulator bladders, the prior art cannot achieve simultaneous injection molding of multiple accumulator bladders, and the injection molding effect is not good. The molded bladders are not completely injection molded, affecting the overall quality and service life of the bladders and unable to meet the requirements of the high-end accumulator market.

[0003] Therefore, it is particularly important to design a horizontal injection molding device for accumulator bladders. Summary of the Invention

[0004] The present application provides a horizontal injection molding device for accumulator bladders, adopting the following technical solutions: A horizontal injection molding device for accumulator bladders includes a top template and a bottom template. Injection molding cavities are provided on the top template and the bottom template. When the top template and the bottom template are closed together, a complete injection molding cavity is formed. A mold is arranged in the completed injection molding cavity. A plurality of injection ports are provided on the top template, and an injection groove is provided on the bottom template. The injection groove is arranged corresponding to the injection ports and is connected to the injection molding cavity. The rubber material injected through the injection ports enters the injection groove and then enters the injection molding cavity through the injection groove. The injected rubber material gathers and forms in the gap between the mold and the injection molding cavity. Limiting holes are provided around the top template and the bottom template, and a hydraulic rod is arranged in each limiting hole. The hydraulic rod is connected to an external hydraulic device, and the opening and closing of the top template and the bottom template are realized through the control of the hydraulic device.

[0005] Optionally, a fixing column is arranged at one end of the mold. The fixing column is fixedly connected to the mold, and a limiting column is arranged at the other end of the mold.

[0006] Optionally, a mold fixing rod is arranged on the fixing column, and the fixing column on the mold is arranged on the mold fixing rod.

[0007] Optionally, grooves are provided on the top template and the bottom template, and the mold fixing rod is arranged in the grooves of the top template and the bottom template. When the mold is closed, the mold is arranged between the top template and the bottom template.

[0008] Optionally, limiting rods are arranged on both sides of the mold fixing rod, and the limiting rods are fixedly connected to the injection molding equipment.

[0009] Optionally, side plates are provided on both sides of the top template.

[0010] Optionally, heating devices are provided inside the top template and the bottom template. After the injection molding cavity is filled with material, the heating devices start to heat the injection molding cavity for thermosulfurization.

[0011] Optionally, the thermosulfurization temperature is 160 - 170 °C.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: This device is set for a horizontal injection molding bladder, and the entire injection molding cavity is injection molded by utilizing the flow of the rubber compound. Moreover, the bladder wall thickness of the product injection molded by this device is uniform, the density of the bladder body is uniform without seams, and it has the advantages of good performance and long service life. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will discuss the drawings required for the description of the embodiments or the prior art. Obviously, the technical solutions described in conjunction with the drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other embodiments and their drawings can be obtained based on these embodiments shown in the drawings.

[0014] Figure 1 It is the overall structure diagram of the present invention.

[0015] Figure 2 It is the internal structure diagram of the mold of the present invention.

[0016] Figure 3 It is the enlarged view of the present invention.

[0017] Figure 4 It is the structure diagram of Embodiment 2 of the present invention.

[0018] Figure 5 It is the mold structure diagram of Embodiment 2 of the present invention.

[0019] Figure 6 It is the structure diagram of Embodiment 3 of the present invention.

[0020] Figure 7 It is the mold structure diagram of Embodiment 3 of the present invention.

[0021] In the figure: 1. Top template; 2. Bottom template; 3. Injection port; 4. Side plate; 5. Mold fixing rod; 6. Mold; 7. Injection molding groove. Detailed Embodiments

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts are within the scope of protection of the present invention.

[0023] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0025] An embodiment of the present invention provides a horizontal injection molding device for an accumulator bladder.

[0026] Embodiment 1: A horizontal injection molding device for an accumulator bladder, comprising a top template 1 and a bottom template 2. The top template 1 and the bottom template 2 are closed and locked up and down. Injection molding cavities are provided on the top template 1 and the bottom template 2. When the top template 1 and the bottom template 2 are closed, a complete injection molding cavity is formed. A mold 6 is arranged in the completed injection molding cavity. A number of injection ports 3 are provided on the top template 1. An injection molding groove 7 is provided on the bottom template 2. The injection molding groove 7 is arranged corresponding to the injection port 3 and is connected to the injection molding cavity. The rubber material injected through the injection port 3 enters the injection molding groove 7 and then enters the injection molding cavity through the injection molding groove 7. Since there is a mold in the injection molding cavity, the injected rubber material gathers and forms on the gap between the mold 6 and the injection molding cavity. A fixing column is arranged at one end of the mold 6. The fixing column is fixedly connected to the mold 6. A limiting column is arranged at the other end of the mold 6 to form the circular base of the final product and also prevent the rubber material from leaking out. A mold fixing rod 5 is arranged on the fixing column. The fixing column on the mold 6 is arranged on the mold fixing rod 5. At the same time, grooves are provided on the top template 1 and the bottom template 2. The mold fixing rod 5 is arranged in the grooves of the top template 1 and the bottom template 2. When the mold is closed, the mold 6 is arranged between the top template 1 and the bottom template 2.

[0027] Limit holes are provided around the top template 1 and the bottom template 2. A hydraulic rod is arranged on each limit hole. The hydraulic rod is hidden in the figure. The hydraulic rod is connected to an external hydraulic device. The opening and closing of the top template 1 and the bottom template 2 are realized through the control of the hydraulic device. The fixing column on the mold 6 is fixed to the injection molding equipment, so as to ensure that the whole mold does not move. Limiting rods are arranged on both sides of the mold fixing rod 5. The limiting rods are fixedly connected to the injection molding equipment and are connected to the mold fixing rod 5. Side plates 4 are arranged on both sides of the top template 1.

[0028] Working principle: The hydraulic device on the injection molding equipment controls the movement of the hydraulic rods to close the top template 1 and the bottom template 2. The mold 6 is arranged inside the top template 1 and the bottom template 2. And the locking of the top template 1 and the bottom template 2 is realized by using the hydraulic device. The rubber material is injected into the top template 1 from the injection port 3. The rubber material enters the injection molding groove 7 and then enters the injection molding cavity through the injection molding groove 7. There is a mold in the injection molding cavity. The rubber material flows and forms on the gap between the mold 6 and the injection molding cavity. And a heating device is arranged inside the top template 1 and the bottom template 2. When the injection molding cavity is filled with materials, the heating device starts to heat the injection molding cavity for thermosulfurization. The thermosulfurization temperature is 160 - 170 °C. After the vulcanization is completed, the top template 1 and the bottom template 2 are opened. At this time, without the restriction of the top template 1 and the bottom template 2, the formed product can be demolded. Secondary processing processes are carried out on the product according to the final requirements of the product, including product trimming and secondary vulcanization.

[0029] Embodiment 2: As Figure 4-5As shown, two injection cavities are provided on the top template 1 and the bottom template 2, enabling multiple products to be injection-molded at once. Moreover, in this embodiment, small leather bag products can be injection-molded, and other features are the same as those in Embodiment 1.

[0030] Embodiment 3: As Figure 6-7 shown, medium-sized leather bag products can be injection-molded, and other features are the same as those in Embodiment 1.

[0031] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0032] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A horizontal injection molding device for an accumulator bladder, characterized in that: The invention comprises a top mold plate (1) and a bottom mold plate (2), wherein an injection mold cavity is arranged on the top mold plate (1) and the bottom mold plate (2), and a complete injection mold cavity is formed when the top mold plate (1) and the bottom mold plate (2) are joined together. A mold (6) is arranged in the completed injection mold cavity, and a plurality of injection mold ports (3) are arranged on the top mold plate (1). An injection mold groove (7) is arranged on the bottom mold plate (2), and the injection mold groove (7) is arranged corresponding to the injection mold port (3), and the injection mold groove (7) is connected to the injection mold cavity. The rubber injected from the injection mold port (3) enters the injection mold groove (7), and enters the injection mold cavity through the injection mold groove (7), and the injected rubber is collected in the gap between the mold (6) and the injection mold cavity to be formed; Limiting holes are arranged around the top template (1) and the bottom template (2), and each limiting hole is provided with a hydraulic rod, which is connected to an external hydraulic device, and the opening and closing of the top template (1) and the bottom template (2) are achieved through the control of the hydraulic device.

2. The accumulator bladder horizontal injection molding device according to claim 1, characterized in that: A fixing column is provided on one end of the mold (6), the fixing column is connected and fixed to the mold (6), and a limiting column is provided on the other end of the mold (6).

3. The accumulator bladder horizontal injection molding device according to claim 2, characterized in that: A mold fixing rod (5) is arranged on the fixing column, and the fixing column on the mold (6) is arranged on the mold fixing rod (5).

4. The accumulator bladder horizontal injection molding device according to claim 3, characterized in that: The top mold plate (1) and the bottom mold plate (2) are provided with grooves, the mold fixing rod (5) is arranged in the grooves of the top mold plate (1) and the bottom mold plate (2), and the mold (6) is arranged between the top mold plate (1) and the bottom mold plate (2) when the mold is closed.

5. The accumulator bladder horizontal injection molding device according to claim 3, characterized in that: Limiting rods are arranged on both sides of the mold fixing rod (5), and the limiting rods are fixedly connected to the injection molding equipment.

6. The accumulator bladder horizontal injection molding device according to claim 1, characterized in that: Side plates (4) are provided on both sides of the top template (1).

7. The accumulator bladder horizontal injection molding device according to claim 1, characterized in that: A heating device is provided inside the top mold plate (1) and the bottom mold plate (2). When the injection of the mold cavity is completed, the heating device starts to heat the mold cavity for thermal vulcanization.

8. The accumulator bladder horizontal injection molding device according to claim 7, characterized in that: Hot vulcanization temperature is 160-170℃.

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