Weighing device for foaming agent production

Abstract

The utility model discloses a foaming agent production weighing device which comprises a stirring box, a weighing box is installed on the upper end face of the stirring box, raw material cylinders are installed on the two sides of the upper end face of the weighing box, material guiding cavities are formed in the two sides of the interior of the weighing box, and the inner sides of the material guiding cavities are movably connected with plugging blocks through lifting mechanisms. The raw material barrel is connected with the material guide cavity through a discharging cavity, a metering valve is installed on the inner side of the discharging cavity, the material guide cavity is connected with the interior of the stirring box through a discharging cavity, two pin shafts are arranged on the inner side of the discharging cavity, and the opposite sides of the outer surfaces of the two pin shafts are fixedly connected with a weighing plate; the two sides of the front end face of the weighing box are each provided with a display screen. By arranging the metering valve and the weighing plate, secondary quantity control can be carried out, the blanking speed can be adjusted, the raw material weighing accuracy is improved, and therefore the production quality of foaming agents is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to foaming agent production technical field, concretely is a weighing apparatus for foaming agent production. BACKGROUND

[0002] Physical foaming agent can be divided into three categories: inert gas, low boiling point liquid and solid hollow ball, and the low boiling point liquid physical foaming agent is mostly used in the domestic currently. Foaming agent is usually produced by the reaction of inorganic salt such as aluminium oxide and aluminium hydroxide and organic substance such as silane. Among them, inorganic base and organic acid produce water and carbon dioxide after reaction, thereby manufacturing foaming agent. In the foaming agent production process, the raw material adding requirement of foaming agent is high, and the adding amount must be strictly controlled.

[0003] However, the existing foaming agent production equipment does not set up a weighing device at the feeding place, the feeding amount is not convenient to control, the conveying amount of raw materials is not accurate enough, which may cause waste of raw materials and affect the production effect of foaming agent, therefore, it does not meet the existing demand, and for this, we provide a weighing device for foaming agent production. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a weighing device for foaming agent production to solve the problems that the existing foaming agent production equipment does not set up a weighing device at the feeding place, the feeding amount is not convenient to control, the conveying amount of raw materials is not accurate enough, which may cause waste of raw materials and affect the production effect of foaming agent and the like.

[0005] To achieve the above object, the utility model provides the following technical scheme: a weighing device for foaming agent production, including the stirring box, the upper end surface of stirring box is installed with the weighing box, the both sides of weighing box upper end surface are installed with raw material cylinder, both sides in the weighing box are all provided with the material guiding cavity, the inboard side of material guiding cavity is movably connected with the obturator through the lifting mechanism, the raw material cylinder is connected with material guiding cavity through the discharge cavity, the inboard side of discharge cavity is installed with the metering valve, the inside of material guiding cavity and stirring box is connected through the discharging cavity, the inboard side of discharging cavity is provided with two pin shafts, and the opposite side of the outer surface of two pin shafts is fixedly connected with the weighing plate, the both sides of the front end surface of weighing box are installed with display screen.

[0006] Preferably, the four end angles of the lower end surface of the stirring box are each provided with a support column, a discharge pipe is mounted to the lower side of one side of the outer surface of the stirring box, a first motor is mounted to the middle of the lower end surface of the stirring box, a stirring shaft is mounted to the inside of the stirring box, a plurality of rotating paddles are mounted to the outer surface of the stirring shaft, the first motor and the stirring shaft are fixedly connected by a shaft coupling, and a feeding pipe is mounted to the rear end surface of the raw material cylinder.

[0007] Preferably, the front of the blanking cavity is provided with a second motor through a first cavity, the output end of the second motor is fixedly connected with the front end face of one of the pin shafts through a short shaft, the rear end face of the other pin shaft is rotatably connected with the inner wall of the blanking cavity through a bearing, the inside of the weighing plate is provided with a gravity sensor through a second cavity, and the gravity sensor is electrically connected with the display screen.

[0008] Preferably, the lifting mechanism comprises a lead screw, the lead screw is arranged above both sides of the inner wall of the material guiding cavity through a vertical groove, the outer surface of the lead screw is provided with a threaded block, the lower end face of the blocking block is fixedly connected with a supporting rod, and the threaded block and the supporting rod are connected through a connecting rod.

[0009] Preferably, the lower part of the vertical groove is provided with a third motor through a motor cavity, the output end of the third motor is fixedly connected with the lower end face of the lead screw through a vertical shaft, and the upper end face of the lead screw is rotatably connected with the upper end face of the vertical groove through a bearing.

[0010] Preferably, the inside of the weighing box is provided with a PLC controller, and the PLC controller is electrically connected with the second motor, the third motor, the gravity sensor and the metering valve.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The utility model discloses a weighing box, a lifting mechanism, a blocking block, a lead screw, a threaded block, a supporting rod, a connecting rod and a third motor are arranged in the weighing box, the weighing box is provided with a display screen and a gravity sensor, the display screen is arranged on the weighing box, the gravity sensor is arranged on the weighing plate, the weighing plate is arranged in the weighing box, the weighing plate is provided with a plurality of pin shafts, the pin shafts are rotatably connected with the inner wall of the weighing box, the inner wall of the weighing box is provided with a metering valve, the metering valve is rotatably connected with the inner wall of the weighing box, the inner wall of the weighing box is provided with a material guiding cavity, the material guiding cavity is rotatably connected with the inner wall of the weighing box, the front of the blanking cavity is provided with a second motor through a first cavity, the output end of the second motor is fixedly connected with the front end face of one of the pin shafts through a short shaft, the rear end face of the other pin shaft is rotatably connected with the inner wall of the blanking cavity through a bearing, the inside of the weighing plate is provided with a gravity sensor through a second cavity, and the gravity sensor is electrically connected with the display screen. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the whole structure schematic view of the utility model;

[0014] Fig. 2 It is the overall main sectional view of the utility model;

[0015] Fig. 3 It is the local structure schematic view of the material guiding cavity of the utility model.

[0016] In the drawing: 1, stirring box; 2, weighing box; 3, raw material cylinder; 4, display screen; 5, discharging cavity; 6, material guiding cavity; 7, weighing plate; 8, discharging cavity; 9, metering valve; 10, plugging block; 11, lifting mechanism; 1101, vertical groove; 1102, screw rod; 1103, support rod; 1104, connecting rod; 1105, threaded block; 12, pin shaft. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0018] The first motor (model YEJ3-112M-4), the second motor (model 68KTYZ), the third motor (model 68KTYZ), the PLC controller (model CPU226) and the gravity sensor (model KH15-S91) mentioned in the utility model can be obtained from the market or private customization.

[0019] Please refer to Figs. 1 to 3 The utility model provides an embodiment: a kind of weighing device for foaming agent production, including stirring box 1, the upper end surface of stirring box 1 is installed with weighing box 2, the upper end surface of weighing box 2 is installed with raw material cylinder 3 on both sides, the both sides in weighing box 2 are provided with material guiding cavity 6, the inner side of material guiding cavity 6 is movably connected with plugging block 10 by lifting mechanism 11, raw material cylinder 3 is connected with material guiding cavity 6 by discharging cavity 5, the inner side of discharging cavity 5 is installed with metering valve 9, the inside of material guiding cavity 6 and stirring box 1 is connected by discharging cavity 8, the inner side of discharging cavity 8 is provided with two pin shafts 12, and the opposite side of the outer surface of the two pin shafts 12 is fixedly connected with weighing plate 7, and the both sides of the front end surface of weighing box 2 are installed with display screen 4.

[0020] The lower end surface of stirring box 1 is installed with support column in four end angles, and the lower side of the outer surface of stirring box 1 is installed with discharging pipe, the lower end surface of stirring box 1 is installed with first motor in the middle, the inside of stirring box 1 is installed with stirring shaft, and the outer surface of stirring shaft is evenly installed with multiple rotating paddles, and first motor is fixedly connected with stirring shaft by coupling, and the rear end surface of raw material cylinder 3 is installed with feeding pipe.

[0021] The front of the blanking cavity 8 is provided with a second motor, the output end of the second motor is fixedly connected with the front end face of one of the pin shafts 12 through a short shaft, the rear end face of the other pin shaft 12 is rotatably connected with the inner wall of the blanking cavity 8 through a bearing, the inside of the weighing plate 7 is provided with a gravity sensor through a second cavity, and the gravity sensor is electrically connected with the display screen 4.

[0022] The lifting mechanism 11 comprises a lead screw 1102, the lead screw 1102 is installed above the two sides of the inner wall of the material guiding cavity 6 through a vertical groove 1101, the outer surface of the lead screw 1102 is sleeved with a threaded block 1105, the lower end face of the blocking block 10 is fixedly connected with a supporting rod 1103, and the threaded block 1105 is connected with the supporting rod 1103 through a connecting rod 1104.

[0023] The lower part of the vertical groove 1101 is provided with a third motor through a motor cavity, the output end of the third motor is fixedly connected with the lower end face of the lead screw 1102 through a vertical shaft, and the upper end face of the lead screw 1102 is rotatably connected with the upper end face of the vertical groove 1101 through a bearing.

[0024] The inside of the weighing box 2 is provided with a PLC controller, and the PLC controller is electrically connected with the second motor, the third motor, the gravity sensor and the metering valve 9.

[0025] When the weighing device for foaming agent production is used, the power is turned on, the blanking cavity 8 and the metering valve 9 are arranged, so that the first control can be carried out when blanking, the weighing plate 7 and the display screen 4 are arranged, the weight measured by the gravity sensor can be displayed on the display screen 4 for observation, the second control can be carried out, and the blocking block 10 and the lifting mechanism 11 are arranged, when the weight measured by the gravity sensor approaches the preset value, the PLC controller controls the third motor to work, the third motor drives the lead screw 1102 to rotate, so that the threaded block 1105 moves upwards on the outer surface of the lead screw 1102, the connecting rod 1104 moves upwards, so that the supporting rod 1103 and the blocking block 10 move upwards, the blocking block 10 blocks the lower part of the discharging cavity 5, as the blocking block 10 moves upwards, the outer surface of the blocking block 10 is closer and closer to the inner wall of the discharging cavity 5, and the gap between the outer surface of the blocking block 10 and the inner wall of the discharging cavity 5 is smaller and smaller, so that the blanking speed can be slowed down, and the accuracy of weighing is further improved, when the weighing plate 7 weighs the required weight of raw materials, the PLC controller controls the second motor to work, the second motor drives the pin shaft 12 to rotate, so that the weighing plate 7 rotates, and the weighed raw materials are poured into the inside of the blanking cavity 8 and enter the stirring box 1, the metering valve 9 and the weighing plate 7 are arranged, so that the second control can be carried out, the blanking speed can be adjusted, the accuracy of weighing raw materials is improved, and the production quality of the foaming agent is improved.

[0026] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A weighing device for producing foaming agents, comprising a mixing tank (1), characterized in that: A weighing box (2) is installed on the upper end face of the mixing tank (1). Raw material cylinders (3) are installed on both sides of the upper end face of the weighing box (2). A guide cavity (6) is provided on both sides inside the weighing box (2). A sealing block (10) is movably connected to the inner side of the guide cavity (6) through a lifting mechanism (11). The raw material cylinder (3) is connected to the guide cavity (6) through a discharge cavity (5). A metering valve (9) is installed on the inner side of the discharge cavity (5). The guide cavity (6) is connected to the interior of the mixing tank (1) through a feeding cavity (8). Two pins (12) are provided on the inner side of the feeding cavity (8). A weighing plate (7) is fixedly connected to the opposite side of the outer surface of the two pins (12). A display screen (4) is installed on both sides of the front end face of the weighing box (2).

2. The weighing device for foaming agent production according to claim 1, characterized in that: Support columns are installed at the four corners of the lower end face of the mixing tank (1). A discharge pipe is installed below one side of the outer surface of the mixing tank (1). A first motor is installed in the middle of the lower end face of the mixing tank (1). A stirring shaft is installed inside the mixing tank (1). Multiple paddles are evenly installed on the outer surface of the stirring shaft. The first motor is fixedly connected to the stirring shaft through a coupling. A feeding pipe is installed on the rear end face of the raw material cylinder (3).

3. The weighing device for foaming agent production according to claim 1, characterized in that: A second motor is installed in front of the feeding chamber (8) through the first cavity. The output end of the second motor is fixedly connected to the front end face of one of the pins (12) through a short shaft. The rear end face of the other pin (12) is rotatably connected to the inner wall of the feeding chamber (8) through a bearing. A gravity sensor is installed inside the weighing plate (7) through the second cavity, and the gravity sensor is electrically connected to the display screen (4).

4. The weighing device for foaming agent production according to claim 3, characterized in that: The lifting mechanism (11) includes a lead screw (1102), which is installed above both sides of the inner wall of the guide cavity (6) through a vertical groove (1101). A threaded block (1105) is sleeved on the outer surface of the lead screw (1102). A support rod (1103) is fixedly connected to the lower end face of the sealing block (10). The threaded block (1105) and the support rod (1103) are connected by a connecting rod (1104).

5. A weighing device for foaming agent production according to claim 4, characterized in that: A third motor is installed below the vertical groove (1101) through a motor cavity. The output end of the third motor is fixedly connected to the lower end face of the lead screw (1102) through a vertical shaft. The upper end face of the lead screw (1102) is rotatably connected to the upper end face of the vertical groove (1101) through a bearing.

6. A weighing device for foaming agent production according to claim 5, characterized in that: The weighing box (2) is equipped with a PLC controller, and the PLC controller is electrically connected to the second motor, the third motor, the gravity sensor, and the metering valve (9).

Images