Automatic batching production line for rubber mixing

Abstract

The utility model discloses an automatic batching production line for rubber mixing, which relates to the technical field of rubber mixing and comprises a blanking mechanism, and the blanking mechanism comprises a powder storage tank and a powder pumping machine; the material mixing and dust removing mechanism comprises a material mixing box, a vibrating screen is arranged on the upper side of a cavity in the material mixing box, and a rotary stirrer is arranged on the lower side of the cavity in the material mixing box; a powder measuring bin; a liquid injection mechanism; an oil metering bin; a closed rubber mixing machine; the production line is responsible for batching of powder and liquid and feeding of the closed rubber mixing machine for rubber mixing work, a vibrating screen in the material mixing and dust removing mechanism can not only vibrate and scatter part of non-hardened blocks in the vibrating process, but also ensure that qualified powder can penetrate through a screen plate to fall down under the action of gravity, and therefore the production efficiency is improved. And stirring blades of the rotary stirrer rotate to scatter the powder, so that the prepared powder does not have unqualified caking, and the quality of subsequent plastic finished products is further ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rubber mixing technology field especially relates to a rubber mixing automatic batching production line. BACKGROUND

[0002] Plastic has good insulation, therefore is widely used as the raw material of electric wire and cable or other electric appliance plastic parts. Among them, the plastic needs to be mixed by an open mill before being prepared. The raw materials of the above mixing process are roughly divided into powder raw materials, liquid raw materials, and other rubber materials which may be added according to needs. Specifically, the powder raw materials, liquid raw materials and rubber material raw materials need to be weighed and fed separately.

[0003] Among them, the powder material is easy to form clumps during feeding and transportation. These clumps are not easy to be mixed with other liquid raw materials and rubber materials during the rubber mixing process, so they will directly affect the quality of the plastic product. SUMMARY

[0004] The utility model discloses at least one of the technical problems existing in the prior art. To this end, the utility model provides a rubber mixing automatic batching production line.

[0005] According to the rubber mixing automatic batching production line of the first aspect of the utility model embodiment, including the blanking mechanism for inputting powder, the blanking mechanism includes the powder storage tank and the powder extraction machine, the powder extraction machine has the powder output pipeline, the mixing dust removal mechanism, the mixing dust removal mechanism includes the mixing box, the mixing box has the cavity, the upper side of the mixing box is communicated with the powder output pipeline as the input end, the lower side of the mixing box is as the output end, the upper side of the cavity in the mixing box is provided with the vibrating screen, the vibrating screen includes a plurality of layers of sieve plates, the lower side of the cavity in the mixing box is provided with the rotary stirrer, the rotary stirrer includes stirring blades, after the powder enters the mixing box from the input end, can pass through the sieve plate and the rotary stirrer in turn and discharge from the output end, the powder metering bin, the powder can enter the powder metering bin from the mixing dust removal mechanism, the liquid injection mechanism for inputting oil, the oil metering bin, the oil can enter the oil metering bin from the liquid injection mechanism, the closed type rubber mixing machine, the powder in the powder metering bin and the oil of the oil metering bin enter the closed type rubber mixing machine and carry out the rubber mixing process.

[0006] According to some embodiments of the utility model, the powder storage tank is located underground, the powder storage tank is provided with a powder pouring port, the powder pouring port is located on the ground, the outer edge of the powder pouring port is provided with a powder pouring taper, the powder pouring taper has a powder pouring taper slope, and the powder pouring taper slope can guide the powder on the powder pouring taper to slide into the powder pouring port.

[0007] According to some embodiments of the present application, the powder suction machine comprises a suction port and a powder suction port, the suction port is located at the upper side of the inner cavity of the powder storage tank, and the powder suction port is located at the lower side of the inner cavity of the powder storage tank.

[0008] According to some embodiments of the present application, the side of the mixing box is provided with a dust collection chamber, the dust collection chamber is communicated with the mixing box through a dust collection port, a cloth bag cylinder is arranged in the dust collection chamber, a dust collection air suction device is arranged on the dust collection chamber, and the dust collection air suction device can suck air to make the airflow of the mixing box enter the dust collection chamber.

[0009] According to some embodiments of the present application, a dust collection plate is arranged at the lower side of the dust collection chamber.

[0010] According to some embodiments of the present application, a blowing nozzle is arranged in the mixing box, the blowing nozzle is connected with a blowing device, and the blowing nozzle can blow air to the cloth bag cylinder.

[0011] According to some embodiments of the present application, each sieve plate is obliquely arranged, the sieve plate has a sieve plate inclined surface, and the sieve plate inclined surface is inclined towards the lower side of the dust collection port.

[0012] According to some embodiments of the present application, each sieve plate is arranged on a sieve plate support, and the sieve plate support is driven to vibrate through a vibration device.

[0013] According to some embodiments of the present application, the liquid injection mechanism comprises a storage tank, a storage tank outlet and a storage tank ball valve are arranged at the lower end of the storage tank, the storage tank outlet is communicated with the oil metering bin through a storage tank output pipeline, and a diaphragm pump is connected to the storage tank output pipeline.

[0014] According to some embodiments of the present application, the oil metering bin comprises an upper oil weighing bin and a lower oil temporary storage bin, an oil scale is arranged on the oil weighing bin, the lower end of the oil weighing bin and the upper end of the oil temporary storage bin are communicated through a temporary storage pipeline, a flow meter is arranged on the temporary storage pipeline, and the oil can enter the closed rubber mixing machine after sequentially passing through the oil weighing bin and the oil temporary storage bin.

[0015] The rubber mixing automatic batching production line according to the embodiments of the present application has at least the following technical effects: the production line is responsible for the batching of powder and liquid and feeds the closed rubber mixing machine for rubber mixing work, the vibrating screen in the mixing dust removal mechanism can not only shake and scatter part of the unhardened lumps during the vibration process, but also can ensure that the qualified powder can pass through the sieve plate and fall downward under the action of gravity, and the powder can be scattered by the rotating stirring blades of the rotating stirrer, so that the prepared powder is ensured to be free of unqualified lumps, and the quality of the subsequent plastic product is ensured.

[0016] Additional aspects and advantages of the present application will be set forth in part in the following description, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0017] Additional aspects and advantages of the present application will be set forth in part in the following description, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the present application.

[0018] Figure 1 is a structural schematic view of the automatic compounding production line of the present application;

[0019] Figure 2 is a structural schematic view of the mixing and dust removing mechanism in the present application;

[0020] Figure 3 is a structural schematic view of the discharging mechanism in the present application;

[0021] Figure 4 is a structural schematic view of the liquid injecting mechanism and the oil material metering bin in the present application.

[0022] Reference signs:

[0023] Discharging mechanism 100, powder storage tank 110, powder pouring port 111, conical pouring port 112, conical pouring inclined surface 113, powder extracting machine 120, air extracting port 121, powder extracting port 122, powder extracting output pipeline 130; mixing and dust removing mechanism 200, mixing box 210, vibrating screen 220, screen plate 221, screen plate inclined surface 222, screen plate support 223, vibrating device 224, rotary stirrer 230, stirring blade 231, stirrer rotating shaft 232, stirring motor 233, dust collecting chamber 240, cloth bag cylinder 241, dust collecting air extracting device 242, dust collecting plate 243, air blowing nozzle 244, dust collecting port 245, cylinder port 246, mounting partition 247; powder material metering bin 300, powder material scale 310, material pouring valve 320; liquid injecting mechanism 400, oil storage tank 410, oil storage tank outlet 411, oil storage tank ball valve 412, oil storage tank output pipeline 420, diaphragm pump 430; oil material metering bin 500, oil material weighing bin 510, oil material scale 511, conical body bottom 512, oil material temporary storage bin 520, temporary storage pipeline 530, flow meter 531; closed type rubber mixing machine 600. DETAILED DESCRIPTION

[0024] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0025] In the description of the utility model, it is understood that the direction description, such as the direction or positional relation of the indication of upper, lower, front, rear, left, right etc. based on the direction or positional relation shown in the drawing, is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular direction, be constructed and operated in a particular direction, and therefore can not be understood as a limitation on the utility model.

[0026] In the description of the utility model, the meaning of multiple is two or more, greater than, less than, more than etc. is not included in the number. If the first, second is described, it is only used for distinguishing the technical features for the purpose, and can not be understood as indicating or suggesting relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0027] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection etc. should be understood broadly, and the skilled person in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme.

[0028] The following refers to Figure 1 And Figure 2 The rubber mixing automatic batching production line according to the embodiments of the utility model is described.

[0029] As Figure 1 And Figure 2 The rubber mixing automatic batching production line according to the embodiments of the utility model, as shown, comprises a discharging mechanism 100, a mixing and dust removal mechanism 200, a powder metering bin 300, a liquid injection mechanism 400, an oil metering bin 500 and a closed rubber mixer 600.

[0030] The powder feeding mechanism 100 is used for inputting powder, and the powder feeding mechanism 100 comprises a powder storage tank 110 and a powder extractor 120, and the powder extractor 120 is provided with a powder output pipeline 130; the mixing and dust removal mechanism 200 comprises a mixing box 210, and the mixing box 210 is provided with a cavity, and the upper side of the mixing box 210 is communicated with the powder output pipeline 130 as an input end, and the lower side of the mixing box 210 is an output end, and the upper side of the cavity in the mixing box 210 is provided with a vibrating screen 220, and the vibrating screen 220 comprises a plurality of sieve plates 221, and the lower side of the cavity in the mixing box 210 is provided with a rotary stirrer 230, and the rotary stirrer 230 comprises stirring blades 231, and the powder enters the mixing box 210 from the input end, and then can pass through the sieve plates 221 and the rotary stirrer 230 in sequence and is discharged from the output end; the powder metering bin 300, and the powder can enter the powder metering bin 300 from the mixing and dust removal mechanism 200; the liquid injection mechanism 400 is used for inputting oil; the oil metering bin 500, and the oil can enter the oil metering bin 500 from the liquid injection mechanism 400; and the closed type rubber mixing mill 600, and the powder in the powder metering bin 300 and the oil in the oil metering bin 500 enter the closed type rubber mixing mill 600 to perform a rubber mixing process.

[0031] For example, as shown in Figure 1 and Figure 2 the powder enters the production line of the utility model through the powder feeding mechanism 100. The powder feeding mechanism 100 comprises a powder storage tank 110 and a powder extractor 120, and the powder extractor 120 is provided with a powder output pipeline 130, and the powder extractor 120 is used for extracting the powder stored in the powder storage tank 110 and transmitting the powder to the mixing and dust removal mechanism 200 through the powder output pipeline 130. The mixing and dust removal mechanism 200 comprises a mixing box 210, and the mixing box 210 is provided with a cavity, and the upper side of the mixing box 210 is communicated with the powder output pipeline 130 as an input end, and the lower side of the mixing box 210 is an output end. The upper side of the cavity in the mixing box 210 is provided with a vibrating screen 220, and the vibrating screen 220 comprises a plurality of sieve plates 221, and the powder is sieved through the plurality of sieve plates 221. The vibrating screen 220 can not only shake and scatter part of the unhardened lumps in the vibrating process, but also can ensure that the qualified powder can pass through the sieve plates 221 and fall downward under the action of gravity. The lower side of the cavity in the mixing box 210 is provided with a rotary stirrer 230, and the rotary stirrer 230 comprises stirring blades 231, and the falling powder can be further scattered by the stirring blades 231 when the rotary stirrer 230 rotates. The powder enters the mixing box 210 from the input end, and then can pass through the sieve plates 221 and the rotary stirrer 230 in sequence and is discharged from the output end. The powder metering bin 300, and the powder can enter the powder metering bin 300 from the mixing and dust removal mechanism 200, and the powder is first stored in the powder metering bin 300, so that the powder can be quantitatively taken according to the needs.

[0032] Referring to Figure 1The oil material can enter the oil material metering bin 500 from the liquid injection mechanism 400. The oil material metering bin 500 is used for storing the oil material first, so as to facilitate quantitative material taking according to requirements.

[0033] The closed type rubber mixing machine 600 is responsible for mixing the quantitative powder and liquid and then performing a rubber mixing work. The powder in the powder metering bin 300 and the oil material in the oil material metering bin 500 enter the closed type rubber mixing machine 600 to perform a rubber mixing process.

[0034] In actual work, referring to Figure 1 、 Figure 2 , the worker first pours a large amount of powder into the powder storage tank 110 of the discharging mechanism 100 and pours a large amount of oil into the liquid injection mechanism 400 as storage before processing. The powder in the powder storage tank 110 is sent to the mixing and dust removal mechanism 200. The mixing and dust removal mechanism 200 screens out unqualified agglomerates through the vibration of the sieve plate 221, and the qualified powder is further dispersed by the stirring blade 231 of the rotary stirrer 230 and then sent to the powder metering bin 300. The oil material of the liquid injection mechanism 400 also enters the oil material metering bin 500. In this way, the powder and the oil material can be quantitatively extracted according to requirements. After starting production, the quantitative powder and liquid are sent to the closed type rubber mixing machine 600 to perform a rubber mixing process according to the processing amount and the ratio requirement, so as to make the raw material into plastic.

[0035] In some embodiments of the present application, the production line can be controlled remotely, and the system can be pre-set with selectable formulas. The worker only needs to input the selected formula to automatically prepare the materials. During the preparation process, the worker only needs to monitor the equipment.

[0036] In some specific embodiments of the present application, the production line comprises a control system and a computer terminal. The control system comprises a server, a formula management terminal, a raw material management terminal and a production management terminal, wherein the server is responsible for communication with the computer terminal. The formula management terminal is used for storing and managing the pre-set production formula. The raw material management terminal is used for monitoring the powder stored in the discharging mechanism 100 and the oil material stored in the liquid injection mechanism 400. The production management terminal is used for monitoring the specific production process status of the production line.

[0037] In some embodiments of the present application, referring to Figure 1 、 Figure 3The powder storage tank 110 is located underground, and the powder pouring port 111 is located above the ground. The powder pouring port 111 is provided with a powder pouring taper 112, and the powder pouring taper 112 has a powder pouring taper slope 113. The powder pouring taper slope 113 can guide the powder on the powder pouring taper 112 to slide into the powder pouring port 111. The powder storage tank 110 is located underground, and the powder pouring port 111 is located above the ground. The design can not only reduce the occupation of the space in the factory building by the powder storage tank 110, but also make the powder pouring port 111 be located at a lower position, so that workers can conveniently pour the powder into the powder storage tank 110. The powder pouring work is usually to pour the powder in a packaging bag into the powder pouring port 111. Even if part of the powder spills out of the powder pouring port 111 onto the powder pouring taper 112 in this process, the powder on the powder pouring taper 112 can slide into the powder pouring port 111 along the powder pouring taper slope 113, thereby reducing waste and being beneficial to the clean environment of the factory building.

[0038] In some embodiments of the present application, the powder suction machine 120 comprises a suction port 121 and a powder suction port 122. The suction port 121 is located on the upper side of the inner cavity of the powder storage tank 110, and the powder suction port 122 is located on the lower side of the inner cavity of the powder storage tank 110. In this way, during the suction process, the powder suction machine 120 can suck the air on the upper side of the inner cavity of the powder storage tank 110 through the suction port 121, so as to conveniently suck away the dust raised in the process of pouring the powder, and at the same time, the powder on the lower side of the inner cavity of the powder storage tank 110 can be sucked and transmitted to the mixing and dust removal mechanism 200 through the powder suction output pipeline 130.

[0039] In some embodiments of the present application, referring to Figure 2 The mixing box 210 is provided with a dust collection chamber 240 on the side, and the dust collection chamber 240 is communicated with the mixing box 210 through a dust collection port 245. The dust collection chamber 240 is internally provided with a bag cylinder 241, and the dust collection chamber 240 is provided with a dust collection suction device 242. The dust collection suction device 242 can suck the air flow of the mixing box 210 into the dust collection chamber 240. In this way, when the powder enters the mixing box 210, the dust collection suction device 242 sucks the air in the dust collection chamber 240 to form a negative pressure, and the fine particle dust in the mixing box 210 is raised and sucked into the dust collection chamber 240. The fine particle dust is attached to the bag cylinder 241, thereby achieving the dust removal effect. Dust removal of the powder is beneficial to the subsequent rubber mixing effect.

[0040] In further embodiments of the present application, the mixing box 210 is provided with a mounting partition plate 247, so as to divide the inner cavity of the dust collection chamber 240 into an upper cavity and a lower cavity. The bag cylinder 241 has a cylinder port 246, and the cylinder port 246 of the bag cylinder 241 faces the upper side. The cylinder port 246 of the bag cylinder 241 is in sealing connection with the mounting partition plate.

[0041] Further, the dust collecting port 245 is communicated with the upper cavity in the dust collecting chamber 240. The airflow enters the cloth bag cylinder 241 from the cylinder port 246 of the cloth bag cylinder 241, and passes through the cylinder wall surface of the cloth bag cylinder 241 to the lower cavity, and the fine particle dust is separated and attached in the cylinder body of the cloth bag cylinder 241.

[0042] Further, the dust collecting port 245 is communicated with the lower cavity in the dust collecting chamber 240. The airflow enters the cloth bag cylinder 241 through the cylinder wall surface of the cloth bag cylinder 241, and is discharged from the cylinder port 246 of the cloth bag cylinder 241 to the upper cavity, and the fine particle dust is separated and attached outside the cylinder body of the cloth bag cylinder 241.

[0043] In further embodiments of the utility model, the dust collecting plate 243 is arranged at the lower side of the dust collecting chamber 240, and is used for collecting the dust falling in the dust collecting chamber 240.

[0044] In further embodiments of the utility model, the air blowing nozzle 244 is arranged in the mixing box 210, the air blowing nozzle 244 is connected with the air blowing device, and the air blowing nozzle 244 can blow air to the cloth bag cylinder 241. Once the dust attached to the cloth bag cylinder 241 is too much, the air blowing device can be started, the air blowing device generates high-pressure gas and sprays the high-pressure gas from the air blowing nozzle 244, the dust on the cloth bag cylinder 241 is blown off, and the dust filtering effect of the cloth bag cylinder 241 is ensured.

[0045] In some embodiments of the utility model, each sieve plate 221 is obliquely arranged, the sieve plate 221 has a sieve plate inclined surface 222, the sieve plate inclined surface 222 is inclined towards the lower side of the dust collecting port 245, the large particle powder on the sieve plate 221 can enter the dust collecting chamber 240, and the large particle powder is prevented from excessively accumulating on the sieve plate 221 and affecting the qualified powder passing through the sieve plate 221.

[0046] In some embodiments of the utility model, each sieve plate 221 is arranged on the sieve plate support 223, and the sieve plate support 223 is driven to vibrate by the vibration device 224. The sieve plate 221 can be disassembled and replaced on the sieve plate support 223. The vibration device 224 drives the sieve plate support 223 to vibrate, so that each sieve plate 221 is driven to vibrate.

[0047] Further, the vibration device 224 adopts a vibration motor, the vibration motor drives the eccentric block to rotate, drives the sieve plate support 223 to generate the reciprocating exciting force, and the reciprocating exciting force repeatedly throws the powder on the sieve plate 221.

[0048] Further, the vibration device 224 adopts a motor-driven connecting rod mode to drive the sieve plate support 223 to generate the reciprocating exciting force, and the reciprocating exciting force repeatedly throws the powder on the sieve plate 221.

[0049] In some embodiments of the utility model, the stirring motor 233 of the rotary stirrer 230 drives the rotation of the stirrer shaft 232, and the rotation of the stirrer shaft 232 drives the rotation of the stirring blades 231 on the stirrer shaft 232.

[0050] In some specific embodiments of the utility model, the stirring motor 233 is arranged on the side wall of the mixing box 210, and the stirrer shaft 232 extends horizontally.

[0051] In some specific embodiments of the utility model, the stirring blades 231 on the stirrer shaft 232 are staggered and inclined, which can better disperse the powder.

[0052] In some embodiments of the utility model, referring to Figure 1 , the powder metering bin 300 is internally provided with a powder scale 310, and the powder scale 121 is provided with a powder weighing sensor.

[0053] The powder scale 310 sets a preset value according to the formula, and when the powder scale 310 detects that the weight of the powder in the powder metering bin 300 reaches the preset value, a signal is sent to stop the powder feeding mechanism 100 or the mixing and dust removal mechanism 200 from feeding powder to the powder metering bin 300. In this way, the powder metering bin 300 weighs a certain amount of powder. The powder metering bin 300 temporarily stores the weighed powder, and when the closed type rubber mixing machine 600 needs to work, the powder feeding valve 320 of the powder metering bin 300 is opened to feed the powder to the closed type rubber mixing machine 600.

[0054] In some embodiments of the utility model, referring to Figure 1 , Figure 4 , the liquid injection mechanism 400 comprises an oil storage tank 410, and the lower end of the oil storage tank 410 is provided with an oil storage tank outlet 411 and an oil storage tank ball valve 412. The oil storage tank outlet 411 is connected to the oil material metering bin 500 through an oil storage tank output pipeline 420, and a diaphragm pump 430 is connected to the oil storage tank output pipeline 420. When the oil storage tank 410 is filled with oil, the oil storage tank ball valve 412 closes the oil storage tank outlet 411. When it is necessary to extract the oil in the oil storage tank 410, the oil storage tank ball valve 412 is opened and the diaphragm pump 430 is started, and the diaphragm pump 430 sends the oil in the oil storage tank 1 to the oil material metering bin 500 along the oil storage tank output pipeline 420.

[0055] In some embodiments of the utility model, the oil material measuring bin 500 includes the oil material weighing bin 510 on the upside and the oil material temporary storage bin 520 on the downside. The oil material of the oil tank output pipeline 420 is first sent into the oil material weighing bin 510. The oil material weighing bin 510 is provided with the oil material scale 511. The oil material temporary storage bin 520 is communicated with the oil material weighing bin 510 through the temporary storage pipeline 530, and the temporary storage pipeline 530 is provided with the flow meter 531. The oil material can enter the closed rubber mixing machine 600 in sequence through the oil material weighing bin 510 and the oil material temporary storage bin 520.

[0056] The oil material scale 511 sets a preset value according to the formula, and when the oil material scale 511 detects that the weight of the oil material in the oil material weighing bin 510 reaches the preset value, a signal is sent to stop the liquid injection mechanism 400 from delivering the oil material to the oil material weighing bin 510. In this way, the oil material weighing bin 510 weighs a certain amount of oil material, and then the oil material in the oil material weighing bin 510 is sent to the oil material temporary storage bin 520 through the temporary storage pipeline 530 for temporary storage, and the flow meter 531 is responsible for detecting whether the oil material enters the oil material temporary storage bin 520 normally.

[0057] In some specific embodiments of the utility model, the lower side of the oil material weighing bin 510 is a conical bottom 512, the conical bottom 512 has a conical surface, and the oil material scale 511 is located outside the conical surface, which not only facilitates the installation of the oil material scale 511, but also helps the detection data of the oil material scale 511 to be more accurate.

[0058] The wire production line according to the second aspect of the utility model comprises the rubber mixing automatic batching production line according to the first aspect of the utility model, and is used for producing insulating layer materials of electric wires and cables.

[0059] Other configurations and operations of the rubber mixing automatic batching production line according to the embodiments of the utility model are known to those skilled in the art, and will not be described in detail here.

[0060] The following description will be made with reference to Figure 1 and Figure 2 The rubber mixing automatic batching production line according to the embodiments of the utility model will be described in detail in a specific embodiment. It should be understood that the following description is only exemplary and is not a specific limitation on the utility model.

[0061] As shown in Figure 1 and Figure 2 The rubber mixing automatic batching production line according to the embodiments of the utility model comprises a feeding mechanism 100, a mixing and dust removal mechanism 200, a powder material measuring bin 300, a liquid injection mechanism 400, an oil material measuring bin 500 and a closed rubber mixing machine 600.

[0062] The discharging mechanism 100 comprises a vertical powder storage tank 110 and a powder extractor 120, the powder storage tank 110 is provided with a powder pouring port 111 and a powder pouring cone 112, the powder extractor 120 is provided with an air extraction port 121 and a powder extraction port 122, the powder extractor 120 is communicated with the mixing box 210 through a powder extraction pipeline 130.

[0063] The liquid injection mechanism 400 comprises an oil storage tank 410, an oil storage tank outlet 411, an oil storage tank ball valve 412, an oil storage tank output pipeline 420 and a diaphragm pump 430.

[0064] The closed rubber mixing machine 600 is a horizontal pressure closed rubber mixing machine.

[0065] According to the rubber mixing automatic batching production line, the powder and the liquid can be batched and fed to the closed rubber mixing machine 600, the vibration sieve 220 in the mixing and dust removing mechanism 200 can not only shake and scatter the unhardened lumps, but also ensure that the qualified powder can pass through the sieve plate 221 and fall downward under the action of gravity, and the stirring blades 231 of the rotary stirrer 230 can rotate to scatter the powder, so that the qualified powder is ensured, and the quality of the subsequent plastic product is ensured.

[0066] In the description of the present specification, the description of the terms "some embodiments" or "it is conceivable that" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiments or examples are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0067] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A rubber mixing automatic batch production line, characterized in that, The application relates to a powder feeding and mixing device. The powder feeding and mixing device comprises a powder feeding mechanism (100) for inputting powder, a mixing and dust removing mechanism (200), a powder metering bin (300), a liquid injection mechanism (400), a liquid metering bin (500) and a closed type rubber mixing machine (600). The powder feeding mechanism (100) comprises a powder storage tank (110) and a powder extractor (120), and the powder extractor (120) is provided with a powder extraction pipeline (130). The mixing and dust removing mechanism (200) comprises a mixing box (210) provided with a cavity, and the upper side of the mixing box (210) is communicated with the powder extraction pipeline (130) as an input end, and the lower side of the mixing box (210) is an output end. The upper side of the cavity in the mixing box (210) is provided with a vibrating screen (220) comprising a plurality of layers of screen plates (221), and the lower side of the cavity in the mixing box (210) is provided with a rotary stirrer (230) comprising stirring blades (231). After the powder enters the mixing box (210) from the input end, the powder can pass through the screen plates (221) and the rotary stirrer (230) in sequence and is discharged from the output end. The powder can enter the powder metering bin (300) from the mixing and dust removing mechanism (200).

2. A rubber mixing and automatic batching line according to claim 1, characterized in that, The liquid injection mechanism (400) is used for inputting oil.

3. The rubber mixing and automatic batching production line according to claim 1, characterized in that, The oil can enter the liquid metering bin (500) from the liquid injection mechanism (400).

4. The rubber mixing and automatic batching line according to claim 1, characterized in that, The powder in the powder metering bin (300) and the oil in the liquid metering bin (500) enter the closed type rubber mixing machine (600) to perform a rubber mixing process.

5. The rubber mixing and automatic batching line according to claim 4, characterized in that, The powder storage tank (110) is located underground, and a powder pouring opening (111) is arranged on the powder storage tank (110) and located on the ground.

6. The rubber mixing and automatic batching production line according to claim 4, characterized in that, An inverted taper opening (112) is arranged on the outer edge of the powder pouring opening (111), and the inverted taper opening (112) is provided with an inverted taper slope (113) which can guide the powder on the inverted taper opening (112) to slide into the powder pouring opening (111). The powder extractor (120) comprises an air extraction opening (121) and a powder extraction opening (122). The air extraction opening (121) is located on the upper side of the inner cavity of the powder storage tank (110), and the powder extraction opening (122) is located on the lower side of the inner cavity of the powder storage tank (110). A dust collecting chamber (240) is arranged on the side of the mixing box (210), the dust collecting chamber (240) is communicated with the mixing box (210) through a dust collecting opening (245), and a cloth bag cylinder (241) is arranged in the dust collecting chamber (240). A dust collecting plate (243) is arranged on the lower side of the dust collecting chamber (240). A blowing nozzle (244) is arranged in the mixing box (210), the blowing nozzle (244) is connected with a blowing device, and the blowing nozzle (244) can blow air to the cloth bag cylinder (241).

7. A rubber mixing and automatic batching line according to claim 4, characterized in that, Each of the screen plates (221) is obliquely installed and has a screen plate slope (222) obliquely directed toward the lower side of the dust collecting port (245).

8. A rubber mixing and automatic dosing line according to claim 1 or 7, characterized in that, Each of the screen plates (221) is installed on a screen plate support (223) and is driven to vibrate by a vibrating device (224).

9. The rubber mixing and automatic batching line according to claim 1, characterized in that, The liquid injection mechanism (400) comprises an oil storage tank (410), the lower end of the oil storage tank (410) is provided with an oil storage tank outlet (411) and an oil storage tank ball valve (412), the oil storage tank outlet (411) is communicated with the oil metering bin (500) through an oil storage tank output pipeline (420), and the oil storage tank output pipeline (420) is connected with a diaphragm pump (430).

10. The rubber mixing and automatic batching line according to claim 1, characterized in that, The oil metering bin (500) comprises an upper oil weighing bin (510) and a lower oil temporary storage bin (520), the oil weighing bin (510) is provided with an oil scale (511), and the oil weighing bin (510) is communicated with the oil temporary storage bin (520) through a temporary storage pipeline (530) between the lower end of the oil weighing bin (510) and the upper end of the oil temporary storage bin (520), the temporary storage pipeline (530) is provided with a flow meter (531), and oil can enter the closed rubber mixing machine (600) after sequentially passing through the oil weighing bin (510) and the oil temporary storage bin (520).

Images