CN202131071U - Numerical-control vacuum quantitative filling machine - Google Patents

Abstract

The utility model discloses a numerically controlled vacuum quantitative filling machine, which comprises a frame on which an injection cylinder, a vacuum pump and a slide-connected carriage are fixedly connected, the injection cylinder is connected to the carriage, and a lead screw is screwed on the carriage. , the lead screw is driven by a motor; the injection cylinder is connected with a liquid inlet pipe connected in series with a liquid inlet check valve; the injection cylinder is connected with a liquid outlet pipe; Far away from the filling valve of the injection cylinder, the liquid outlet pipe is connected with a liquid discharge pipe located between the liquid discharge check valve and the filling valve and connected in series with the liquid discharge valve, and the liquid discharge pipe is between its outlet end and the filling valve There is an evacuation pipe connected to the pipe section, and the other end of the evacuation pipe is connected with the vacuum pump. An evacuation valve is connected in series on the evacuation pipe. The intake valve, the actions of the above-mentioned valves, motor and vacuum pump are automatically controlled by the control circuit. The machine has high filling efficiency and accurate quantification, which can reduce labor intensity.

Description

CNC Vacuum Quantitative Filling Machine

technical field

The utility model relates to liquid filling equipment, in particular to a numerical control vacuum quantitative filling machine.

Background technique

With the development of technology, traditional water heating radiators are gradually replaced by gas-liquid two-phase superconducting heat transfer radiators due to their unsatisfactory heat dissipation effect. The gas-liquid two-phase superconducting heat transfer radiator shall be filled with superconducting liquid. At present, the filling of the superconducting liquid is to use a vacuum pump to evacuate the radiator, and use the negative pressure in the radiator to suck the superconducting liquid into the radiator through a manual operation switching valve. The canning of the above-mentioned superconducting fluid has defects such as high labor intensity, inaccurate filling volume of the superconducting fluid, and low filling efficiency.

Contents of the invention

The technical problem to be solved by the utility model is to provide a numerical control vacuum quantitative filling machine with low labor intensity and capable of quantitative canning for the above defects.

In order to solve the above-mentioned technical problems, the utility model provides a numerically controlled vacuum quantitative filling machine with the following structure, including a frame on which an injection cylinder, a vacuum pump and a carriage are slidingly connected, and the piston rod of the injection cylinder It is connected with the power of the carriage, and there is a lead screw screwed on the carriage, and the lead screw is driven by a motor fixed on the frame; the injection cylinder is connected with a liquid inlet pipe connected in series with a liquid inlet check valve, and the injection cylinder is connected with a The liquid outlet pipe is connected in series with a liquid outlet one-way valve close to the injection cylinder and a filling valve far away from the injection cylinder. The liquid outlet pipe is connected with a The liquid discharge pipe of the liquid discharge valve is connected with an evacuation pipe on the pipe section between its outlet end and the filling valve, and the other end of the evacuation pipe is connected with a vacuum pump. The pipe section between the evacuation valve and the liquid outlet pipe is connected with an air inlet pipe, and the air inlet pipe is connected in series with the air inlet valve. The actions of the above-mentioned valves, motors and vacuum pumps are automatically controlled by the control circuit.

The control circuit is a PLC control circuit.

The numerical control vacuum quantitative filling machine with the above structure automatically controls the opening and closing of each valve and the action of the motor and vacuum pump by the control circuit, without manual operation, which can not only greatly reduce the labor intensity, but also improve the filling efficiency; Driven by the rod, it can realize the precise control of the liquid absorption, so as to realize the precise quantitative control of the superconducting liquid canning.

In summary, the utility model has the advantages of high filling efficiency and accurate quantification, and can bring about the beneficial effect of reducing labor intensity.

Description of drawings

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail:

Fig. 1 is a structural representation of the utility model;

Figure 2 is a schematic diagram of the canned pipeline.

Detailed ways

As shown in Figures 1 and 2, the numerical control vacuum quantitative filling machine includes a frame 1, on which an injection cylinder 2, a vacuum pump 11 and a carriage 3 are slidingly connected, and the vacuum pump 11 is driven by an evacuation motor 18, and the injection cylinder 2 is fixed on the frame 1. The piston rod of the cylinder 2 is connected with the power of the carriage 3, and the carriage 3 is screwed with a lead screw 4, which is driven by a motor 5 fixed on the frame 1. In order to improve the accuracy of canning, the lead screw 4 adopts a ball Lead screw, motor 5 adopts stepping motor; The injection cylinder 2 is connected with the liquid inlet pipe 7 that is connected in series with the liquid inlet check valve 6, and the injection cylinder 2 can be directly connected with the liquid outlet pipe 8, and the liquid outlet pipe 8 can also be The pipe section between the injection cylinder 2 and the liquid inlet check valve 6 communicates with the injection cylinder 2 through the liquid inlet pipe 7, and the liquid outlet check valve 9 close to the injection cylinder 2 and the liquid outlet valve 9 far away from the injection cylinder 2 are connected in series on the liquid outlet pipe 8. The filling valve 10, the liquid outlet pipe 8 is connected with a liquid discharge pipe 12 located between the liquid discharge check valve 9 and the filling valve 10, and the liquid discharge pipe 12 is connected in series with a liquid discharge valve 17, and the liquid discharge pipe 8 is in the An evacuation pipe 14 is communicated with the pipe section between the outlet end and the filling valve 10, and the other end of the evacuation pipe 14 is communicated with the vacuum pump 11. An evacuation valve 13 is connected in series on the evacuation pipe 14. The evacuation pipe 14 is connected between the evacuation valve 13 and the outlet. The pipe section between the liquid pipes 8 is communicated with an air inlet pipe 16, and the air inlet pipe 16 is connected with an air inlet valve 15 in series. The outlet ends of the liquid outlet pipe 8 and the liquid discharge pipe 12 and the inlet end of the liquid inlet pipe 7 are all exposed outside the frame.

The canning process of the numerical control vacuum quantitative filling machine is as follows: before canning, the liquid discharge pipe 12 and the liquid inlet pipe 7 are connected with the liquid storage container, and the liquid outlet pipe 8 is connected with the radiator. Start the motor 5 to drive the injection cylinder 2 to perform liquid suction movement. At this time, the liquid outlet check valve 9, filling valve 10 and liquid discharge valve 17 are in the closed state, and the liquid enters the injection cylinder through the liquid inlet pipe 7 and the liquid inlet check valve 6 2. Then start the motor 5 to reversely drive the injection cylinder 2 to do the injection movement. During the injection movement, the liquid inlet check valve 6 and the filling valve 10 are closed, the liquid outlet check valve 9 and the liquid discharge valve 17 are opened, and the injection cylinder 2 The liquid in the liquid is discharged into the liquid storage container through the liquid outlet check valve 9 and the liquid discharge valve 17, and the injection cylinder 2 can repeat the above-mentioned actions. The purpose is to empty the air in the injection cylinder 2. After the air is emptied, the injection cylinder 2 After inhaling the liquid again, the motor 5 stops to make the injection cylinder 2 in the state of waiting for injection; then start the vacuum pump 11, at this time, the liquid outlet check valve 9, the filling valve 10, the liquid discharge valve 17, the liquid inlet check valve 6 and the inlet valve The air valves 15 are all in the closed state, and the evacuation valve 13 is in the open state. When the vacuum degree reaches the set value, the evacuation valve 13 is closed, the vacuum pump 11 is stopped, the liquid outlet check valve 9 and the filling valve 10 are opened, and the motor 5 moves to drive The injection cylinder 2 injects liquid into the radiator. After the injection is completed, the motor 5 reverses to make the injection cylinder 2 absorb liquid again for the next filling. In the radiator, prevent the liquid from flowing into the vacuum pump during the next vacuuming, and the canning is completed at one time.

The actions of the above-mentioned valves, motor 5 and vacuum pump 11 are automatically controlled by the control circuit, which is a PLC control circuit. The PLC control circuit is the prior art, and those skilled in the art can realize it without spending creative labor according to the above description.

Claims (2)

1. Numerical control vacuum quantitative filling machine, including a frame (1), characterized in that the frame (1) is fixed with an injection cylinder (2), a vacuum pump (11) and is slidingly connected with a carriage (3), and the injection cylinder The piston rod of (2) is power-connected with the carriage (3), the carriage (3) is screwed with a lead screw (4), and the lead screw (4) is driven by the motor (5) fixed on the frame (1). Drive; the injection cylinder (2) is connected with the liquid inlet pipe (7) connected in series with the liquid inlet check valve (6), the injection cylinder (2) is connected with the liquid outlet pipe (8), and the liquid outlet pipe (8) is connected with A liquid outlet check valve (9) close to the injection cylinder (2) and a filling valve (10) far away from the injection cylinder (2) are connected in series, and the outlet pipe (8) is connected to a liquid outlet check valve (9) ) and the filling valve (10) and the discharge pipe (12) of the liquid discharge valve is connected in series, and the outlet pipe (8) is connected with an evacuation pipe on the pipe section between its outlet end and the filling valve (10) (14), the other end of the evacuation pipe (14) communicates with the vacuum pump (11), the evacuation pipe (14) is connected in series with the evacuation valve (13), and the evacuation pipe (14) is connected between the evacuation valve (13) and the liquid outlet pipe ( 8) There is an air intake pipe (16) connected to the pipe section between them, the air intake valve (15) is connected in series on the air intake pipe (16), and the actions of the above-mentioned valves, motor (5) and vacuum pump (11) are automatically controlled by the control circuit . 2. The numerical control vacuum quantitative filling machine as claimed in claim 1, characterized in that said control circuit is a PLC control circuit.

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