Injection device of cold chamber die casting machine

Abstract

The utility model discloses an injection device of a cold chamber die-casting machine, which belongs to the technical field of die-casting machines and comprises an injection kettle component, the injection kettle component is arranged on one side of a smelting furnace component, a channel component is arranged close to the center of the injection kettle component, and an injection punch is mounted at the top of the injection kettle component. A nozzle assembly is arranged on the side, away from the smelting furnace assembly, of the injection kettle assembly, and the injection kettle assembly and the nozzle assembly are connected through a rotary sealing device. According to the utility model, the rotary sealing device is arranged, so that a worker can adjust the injection direction of the nozzle assembly to a certain extent through the cooperation of structures such as the speed reducing motor and the rotating shaft when needed, and therefore, the working requirements under different conditions can be better met; and a worker can prevent external impurities from entering the nozzle assembly to cause blockage through cooperation of structures such as an electric telescopic rod and a sealing sleeve under the conditions of no work and the like, so that the working capability of the device is improved.

Description

Technical Field

[0001] This utility model belongs to the field of die casting machine technology, specifically relating to a material injection device for a cold chamber die casting machine. Background Technology

[0002] Die casting machines are a series of industrial casting machines that use pressure to inject molten metal into a mold, where it cools and solidifies, and then the mold is opened to obtain a solid metal casting.

[0003] Chinese patent application number 201720828572.8 discloses an injection device for a die-casting machine, including a furnace and a vertical injection pipe. The left opening of the furnace is connected to the vertical injection pipe via a horizontal feed port. The furnace contains molten metal. An injection punch is fitted inside the upper part of the vertical injection pipe. An injection pot is connected directly below the vertical injection pipe. The injection pot includes an injection wall and a gooseneck channel. The injection wall is located on the outer wall of the gooseneck channel. A heat-insulating window is provided on the outer wall of the injection wall. A nozzle is connected to the left outlet of the gooseneck channel. The nozzle has an injection port. The molten metal in the injection device is kept at a high temperature by a uniform heating plate inside the injection wall. The heat-insulating window on the injection wall retains the heat retained by the injection wall, minimizing heat loss. An annular cooling plate lowers the high-temperature molten metal to be injected to an optimal temperature, protecting the die-casting machine while increasing production efficiency and improving product quality.

[0004] 1. The aforementioned patent has the problem that it is inconvenient to adjust the injection direction and inconvenient to prevent external impurities from entering the nozzle and causing blockage when the device is not in operation, thereby reducing the working capacity of the device; 2. The aforementioned patent has the problem that it is inconvenient to prevent raw materials that accidentally solidify and clump in the furnace from entering the injection pot, thereby reducing the practicality of the device. Utility Model Content

[0005] To address the problems mentioned in the background section, this invention provides a cold chamber die-casting machine injection device, which features high working capacity and strong practicality.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a cold chamber die casting machine injection device, comprising an injection pot assembly, the injection pot assembly being disposed on one side of a furnace assembly, a channel assembly being disposed near the center of the injection pot assembly, an injection punch being mounted on the top of the injection pot assembly, a nozzle assembly being disposed on the side of the injection pot assembly away from the furnace assembly, the injection pot assembly and the nozzle assembly being connected by a rotating sealing device, and a filter interception device being fixedly installed between the injection pot assembly and the furnace assembly.

[0007] Preferably, the rotary sealing device includes an insulated hose, a sealing component, a geared motor, a battery, a mounting bracket, and a rotating shaft. An insulated hose is fixedly installed between the injection pot assembly and the nozzle assembly. A mounting bracket is fixedly installed on the side of the injection pot assembly near the nozzle assembly and outside the insulated hose. A battery is fixedly installed above the mounting bracket. A geared motor is fixedly installed above the mounting bracket and on the side of the battery. A rotating shaft is fixedly installed between the output end of the geared motor and the nozzle assembly. A sealing component is provided on the side of the geared motor away from the battery.

[0008] Preferably, the enclosure assembly includes a sealing sleeve, a movable plate, an electric lifting rod, and an electric telescopic rod. The electric lifting rod is fixedly installed above the fixed frame and on the side of the geared motor away from the battery. The electric telescopic rod is fixedly installed above the electric lifting rod. A sealing sleeve is provided on the outer side of the nozzle assembly away from the heat insulation hose. The electric telescopic rod and the sealing sleeve are connected by the movable plate.

[0009] Preferably, the outer side of the nozzle assembly and the inner side of the closure sleeve are in contact with each other.

[0010] Preferably, the filtering and interception device includes a connecting cylinder and a filter screen. The connecting cylinder is fixedly installed between the injection pot assembly and the furnace assembly, and the filter screen is fixedly installed on the inner side of the connecting cylinder.

[0011] Preferably, the filtering and interception device further includes a threaded block and thermal insulation cotton. The top of the connecting cylinder is threaded with a threaded block, and the side wall of the connecting cylinder is filled with thermal insulation cotton.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model, by setting up a rotating sealing device, allows the operator to adjust the injection direction of the nozzle assembly when needed through the cooperation of the geared motor and rotating shaft, thereby better meeting the work needs in different situations. Furthermore, when not in operation, the operator can prevent external impurities from entering the nozzle assembly and causing blockage through the cooperation of the electric telescopic rod and sealing sleeve, thereby improving the working capacity of the device.

[0014] 2. By setting up a filtering and interception device, this utility model can prevent raw materials that accidentally solidify and clump in the furnace assembly from entering the injection pot assembly through the cooperation of the connecting cylinder and filter screen, thereby ensuring the normal operation of the work and improving the practicality of the device. Attached Figure Description

[0015] Figure 1 This is a perspective view of the present utility model;

[0016] Figure 2 This is a three-dimensional sectional view of the present invention;

[0017] Figure 3 This is a three-dimensional sectional view of the rotary sealing device of this utility model;

[0018] Figure 4 This is a three-dimensional sectional view of the filtering and interception device of this utility model.

[0019] In the diagram: 1. Injection pot assembly; 2. Rotary sealing device; 21. Insulated hose; 22. Sealing assembly; 221. Sealing sleeve; 222. Moving plate; 223. Electric lifting rod; 224. Electric telescopic rod; 23. Gear motor; 24. Battery; 25. Fixing frame; 26. Rotating shaft; 3. Nozzle assembly; 4. Channel assembly; 5. Filter interception device; 51. Connecting cylinder; 52. Threaded block; 53. Insulation cotton; 54. Filter screen; 6. Furnace assembly; 7. Injection punch. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1

[0022] Please see Figure 1-4 The present invention provides the following technical solution: a cold chamber die casting machine injection device, including an injection pot assembly 1, the injection pot assembly 1 is disposed on one side of the furnace assembly 6, a channel assembly 4 is disposed near the center of the injection pot assembly 1, an injection punch 7 is installed on the top of the injection pot assembly 1, a nozzle assembly 3 is disposed on the side of the injection pot assembly 1 away from the furnace assembly 6, the injection pot assembly 1 and the nozzle assembly 3 are connected by a rotating sealing device 2, and a filter interception device 5 is fixedly installed between the injection pot assembly 1 and the furnace assembly 6.

[0023] Specifically, the rotating sealing device 2 includes an insulated hose 21, a sealing component 22, a geared motor 23, a battery 24, a fixing frame 25, and a rotating shaft 26. The insulated hose 21 is fixedly installed between the injection pot assembly 1 and the nozzle assembly 3. The fixing frame 25 is fixedly installed on the side of the injection pot assembly 1 near the nozzle assembly 3 and outside the insulated hose 21. The battery 24 is fixedly installed above the fixing frame 25. The geared motor 23 is fixedly installed on the side of the fixing frame 25 and beside the battery 24. The rotating shaft 26 is fixedly installed between the output end of the geared motor 23 and the nozzle assembly 3. The sealing component 22 is provided on the side of the geared motor 23 away from the battery 24.

[0024] By adopting the above technical solution, the staff can adjust the injection direction of the nozzle assembly 3 by means of the cooperation of the geared motor 23 and the rotating shaft 26 when needed, so as to better meet the work needs in different situations.

[0025] Specifically, the enclosure component 22 includes an enclosure sleeve 221, a movable plate 222, an electric lifting rod 223, and an electric telescopic rod 224. The electric lifting rod 223 is fixedly installed above the fixed frame 25 and on the side of the geared motor 23 away from the battery 24. The electric telescopic rod 224 is fixedly installed above the electric lifting rod 223. The outer side of the nozzle assembly 3 away from the heat insulation hose 21 is provided with an enclosure sleeve 221. The electric telescopic rod 224 and the enclosure sleeve 221 are connected by the movable plate 222.

[0026] By adopting the above technical solution, when not in operation, the staff can prevent external impurities from entering the nozzle assembly 3 and causing blockage through the cooperation of structures such as the electric telescopic rod 224 and the sealing sleeve 221, thereby ensuring the normal operation of subsequent work.

[0027] Specifically, the outer side of the nozzle assembly 3 and the inner side of the sealing sleeve 221 are fitted together.

[0028] By adopting the above technical solution, the device can ensure the normal cooperation between the nozzle assembly 3 and the sealing sleeve 221, thereby ensuring the normal operation of the sealing work, preventing the occurrence of gaps, and better meeting the needs of the work.

[0029] In this embodiment, when the cold chamber die-casting machine needs to use the device for injection, the operator activates the electric telescopic rod 224 in the sealing component 22 of the rotating sealing device 2, thereby moving the moving plate 222 and the sealing sleeve 221 on it until the sealing sleeve 221 is completely detached from the nozzle assembly 3. Then, the operator activates the electric lifting rod 223 to raise the electric telescopic rod 224 and the sealing sleeve 221, thereby preventing the sealing sleeve 221 from affecting the operation. Then, the operator activates the reduction motor 23 on the fixed frame 25. The reduction motor 23 drives the nozzle assembly 3 to rotate through the rotating shaft 26. During this process, the heat-insulating hose 21 bends, thereby adjusting the injection direction. The raw material in the furnace assembly 6 enters the channel component 4 in the injection pot assembly 1. Then, the operator uses the cooperation of the injection punch 7, the channel component 4 and the injection pot assembly 1 to press the raw material into the heat-insulating hose 21. Then, the raw material enters the nozzle assembly 3 and is ejected from the nozzle assembly 3, thereby performing the injection operation. The electric lifting rod 223, the electric telescopic rod 224 and the reduction motor 23 are all electrically connected to the battery 24.

[0030] Example 2

[0031] The difference between this embodiment and embodiment 1 is that the filter interception device 5 includes a connecting cylinder 51 and a filter screen 54. The connecting cylinder 51 is fixedly installed between the injection pot assembly 1 and the furnace assembly 6, and the filter screen 54 is fixedly installed on the inner side of the connecting cylinder 51.

[0032] By adopting the above technical solution, the device can prevent raw materials that accidentally solidify and clump in the furnace assembly 6 from entering the injection pot assembly 1 through the cooperation of structures such as the connecting cylinder 51 and the filter screen 54, thereby ensuring the normal operation of the device.

[0033] Specifically, the filter interception device 5 also includes a threaded block 52 and insulation cotton 53. The top of the connecting cylinder 51 is threaded with the threaded block 52, and the side wall of the connecting cylinder 51 is filled with insulation cotton 53.

[0034] By adopting the above technical solution, the staff can unscrew the threaded block 52 to remove the solidified raw material blocked by the filter screen 54 in the connecting cylinder 51 when needed, thereby reducing the difficulty for the staff to remove the solidified raw material, and the insulation cotton 53 can reduce heat loss.

[0035] In this embodiment, during operation, the raw materials in the furnace enter the connecting cylinder 51 of the filtering and interception device 5, and are then filtered by the filter screen 54 before entering the channel component 4 of the injection pot assembly 1. This prevents the raw materials that may accidentally solidify and clump in the furnace assembly 6, ensuring the normal operation of the work. When needed, the operator can unscrew the threaded block 52 to remove the solidified and clumped raw materials blocked by the filter screen 54 in the connecting cylinder 51. In addition, the insulation cotton 53 can reduce heat loss.

[0036] The structure and principle of the injection pot assembly 1 (comprising an injection pot and a heat-insulating window), the nozzle assembly 3 (comprising a nozzle, an injection port, and an annular cooling plate), the channel assembly 4 (comprising a vertical injection pipe, an injection wall, and a gooseneck channel), the furnace assembly 6 (comprising a furnace, a horizontal feed port, and molten metal), and the pressure injection punch 7 of this utility model have been disclosed in the injection device of a die-casting machine disclosed in Chinese Patent Application No. 201720828572.8. Its working principle is that initially, the bottom surface of the pressure injection punch is higher than the bottom surface of the horizontal discharge port. The molten metal in the furnace flows towards the vertical injection pipe because the surface is higher than the horizontal discharge port. When the die-casting machine presses down the pressure injection punch, it forces the molten metal out of the gooseneck channel. After being heated by the electric heating plate in the injection wall and maintained at a temperature by the heat-insulating window, the molten metal is prevented from condensing. When the molten metal is squeezed into the nozzle, it is cooled to a suitable temperature by the annular cooling plate and then sprayed onto the mold to complete high-quality processing.

[0037] The working principle and usage process of this utility model are as follows: When the cold chamber die-casting machine needs to use the device for injection, the operator activates the electric telescopic rod 224 in the sealing component 22 of the rotating sealing device 2, thereby driving the moving plate 222 and the sealing sleeve 221 on it to move until the sealing sleeve 221 is completely disengaged from the nozzle assembly 3. Then, the electric lifting rod 223 is activated to drive the electric telescopic rod 224 and the sealing sleeve 221 to rise, thereby preventing the sealing sleeve 221 from affecting the operation. Then, the operator activates the reduction motor 23 on the fixed frame 25. The reduction motor 23 drives the nozzle assembly 3 to rotate through the rotating shaft 26. During this process, the heat-insulating hose 21 bends, thereby adjusting the injection direction. The raw material in the furnace assembly 6 enters the channel assembly 4 in the injection pot assembly 1, and then... The operator uses the injection punch 7, channel assembly 4, and injection pot assembly 1 to press the raw material into the insulated hose 21. The raw material then enters the nozzle assembly 3 and is ejected from the nozzle assembly 3, thus performing the injection operation. The electric lifting rod 223, electric telescopic rod 224, and geared motor 23 are all electrically connected to the battery 24. During operation, the raw material in the furnace enters the connecting cylinder 51 in the filter interception device 5, and is then filtered by the filter screen 54 before entering the channel assembly 4 in the injection pot assembly 1. This prevents the raw material from accidentally solidifying and caking in the furnace assembly 6, ensuring the normal operation of the work. When needed, the operator can unscrew the threaded block 52 to remove the solidified and caking raw material blocked by the filter screen 54 in the connecting cylinder 51. The insulation cotton 53 can reduce heat loss.

[0038] 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 cold chamber die casting machine injection device, comprising an injection pot assembly (1), wherein the injection pot assembly (1) is disposed on one side of a furnace assembly (6), a channel assembly (4) is disposed near the center of the injection pot assembly (1), an injection punch (7) is mounted on the top of the injection pot assembly (1), and a nozzle assembly (3) is disposed on the side of the injection pot assembly (1) away from the furnace assembly (6), characterized in that: The injection pot assembly (1) and the nozzle assembly (3) are connected by a rotating sealing device (2), and a filter interception device (5) is fixedly installed between the injection pot assembly (1) and the furnace assembly (6).

2. The injection device for a cold chamber die casting machine according to claim 1, characterized in that: The rotary sealing device (2) includes a heat-insulating hose (21), a sealing component (22), a geared motor (23), a battery (24), a fixing frame (25), and a rotating shaft (26). The heat-insulating hose (21) is fixedly installed between the injection pot assembly (1) and the nozzle assembly (3). The fixing frame (25) is fixedly installed on the side of the injection pot assembly (1) near the nozzle assembly (3) and outside the heat-insulating hose (21). The battery (24) is fixedly installed above the fixing frame (25). The geared motor (23) is fixedly installed above the fixing frame (25) and on the side of the battery (24). The rotating shaft (26) is fixedly installed between the output end of the geared motor (23) and the nozzle assembly (3). The sealing component (22) is provided on the side of the geared motor (23) away from the battery (24).

3. The injection device for a cold chamber die casting machine according to claim 2, characterized in that: The enclosure assembly (22) includes an enclosure sleeve (221), a movable plate (222), an electric lifting rod (223), and an electric telescopic rod (224). The electric lifting rod (223) is fixedly installed above the fixed frame (25) and on the side of the geared motor (23) away from the battery (24). The electric telescopic rod (224) is fixedly installed above the electric lifting rod (223). The enclosure sleeve (221) is provided on the outer side of the nozzle assembly (3) away from the heat insulation hose (21). The electric telescopic rod (224) and the enclosure sleeve (221) are connected by the movable plate (222).

4. The injection device for a cold chamber die casting machine according to claim 3, characterized in that: The outer side of the nozzle assembly (3) and the inner side of the sealing sleeve (221) are in contact with each other.

5. The injection device for a cold chamber die casting machine according to claim 1, characterized in that: The filtering and interception device (5) includes a connecting cylinder (51) and a filter screen (54). The connecting cylinder (51) is fixedly installed between the injection pot assembly (1) and the furnace assembly (6), and the filter screen (54) is fixedly installed on the inner side of the connecting cylinder (51).

6. The injection device for a cold chamber die casting machine according to claim 5, characterized in that: The filter interception device (5) also includes a threaded block (52) and insulation cotton (53). The top of the connecting cylinder (51) is threaded with the threaded block (52), and the side wall of the connecting cylinder (51) is filled with insulation cotton (53).

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