Automatic positioning device for angle valve port of liquefied gas steel cylinder

Abstract

The utility model discloses an automatic positioning device for a valve port of an angle valve of a liquefied gas steel cylinder, which comprises a rack, the steel cylinder is positioned on a support table in the rack, and a positioning mechanism and a guide mechanism which are connected with a control device are arranged on the rack; the two positioning mechanisms are symmetrically arranged on the two sides of the steel cylinder and are used for moving the steel cylinder to enable the center line of the steel cylinder to coincide with the center line of the guide mechanism; the guide mechanism is arranged on the upper portion of the steel cylinder and used for adjusting and fixing the center line of a steel cylinder angle valve port to be aligned with the filling device. The device has the beneficial effects that under the control of the control device, the center positioning of the steel cylinder and the orientation of the angle valve port of the steel cylinder are rapidly completed, and the filling device is accurately positioned and aligned; the automatic filling device is simple in structure, capable of meeting the requirement for automatic filling of the angle valve steel cylinder on an automatic filling liquefied gas production line, high in working efficiency and capable of reducing labor intensity.

Description

Technical Field

[0001] The utility model relates to the field of gas filling equipment, in particular to an automatic positioning device for a valve port of an angle valve of a liquefied gas cylinder. Background Art

[0002] At present, during the filling process of liquefied gas at home and abroad, it is necessary to align the nozzle of the filling gun with the valve mouth of the cylinder angle valve and connect it, and then inject liquefied gas into the cylinder through the filling gun. In order to meet the needs of the gas market and improve the efficiency of gas filling, some semi-automatic gas filling equipment has appeared on the market. After the cylinder is transported to the filling station by a conveyor belt, the filling gun nozzle is manually inserted into the valve mouth of the cylinder angle valve for filling. Because the cylinder will deflect during transportation, the valve mouth of the cylinder angle valve is offset; the automatic filling turntable of liquefied gas cylinders produces thousands of bottles per shift, and angle valve cylinders are currently filled manually at home and abroad. Therefore, before the valve mouth of the cylinder angle valve is connected to the filling gun, the operator can only rotate the cylinder with one hand to align the valve mouth of the cylinder angle valve with the filling gun nozzle in the other hand, and then fill it. The angle valve cylinder cannot be filled fully automatically. To achieve fully automatic filling, the automatic and accurate positioning of the valve mouth of the cylinder angle valve is a problem that needs to be solved urgently. Summary of the invention

[0003] The purpose of the utility model is to overcome the defects of the prior art and provide a device for automatically positioning the valve port of a liquefied gas cylinder angle valve, which can quickly and automatically adjust and fix the valve port position of the cylinder angle valve so that it is accurately aligned with the filling device and can realize the needs of fully automated filling equipment for angle valve cylinders.

[0004] The technical solution to solve the above technical problems is: an automatic positioning device for the valve port of a liquefied gas cylinder angle valve, comprising a frame, a cylinder located on a support platform inside the frame, and a positioning mechanism and a guide mechanism connected to a control device are arranged on the frame; the positioning mechanism has two groups with the same structure and is symmetrically arranged on both sides of the cylinder, and is used to move the cylinder so that its center line coincides with the center line of the guide mechanism; the guide mechanism is arranged on the upper part of the cylinder, and is used to adjust and fix the center line of the valve port of the cylinder angle valve to align with the filling device.

[0005] The preferred solution is: the positioning mechanism includes a positioning drive mechanism and a positioning bracket, one end of the positioning bracket is connected to the free end of the positioning drive mechanism, and the other end of the positioning bracket is a horizontally arranged "V"-shaped opening, the "V"-shaped opening end faces the cylinder, and the two ends of the "V"-shaped opening are respectively hinged with freely rotating guide wheels.

[0006] The preferred solution is: the guide mechanism includes a guide drive mechanism and a guide pressure head, one end of the guide pressure head is connected to the free end of the guide drive mechanism, and the other end of the guide pressure head is provided with a guide opening opening facing downward, the guide opening has a larger inclination at the lower end and a smaller inclination at the upper end, the bottom of the upper end of the guide opening is arc-shaped, and the arc of the bottom can fit and press on the outer circle of the valve port of the cylinder angle valve.

[0007] The preferred solution is that an inner hole larger than the cylinder handwheel is provided inside the guide pressure head, and the center line of the inner hole of the guide pressure head is the center line of the guide mechanism.

[0008] The preferred solution is that the inclination angle of the guide opening of the guide pressure head is ≤60°.

[0009] The preferred solution is that the positioning drive mechanism and the guide drive mechanism are reciprocating drive mechanisms connected to the control device.

[0010] The preferred solution is that the support platform is one of a conveyor chain, a conveyor belt, and a workbench.

[0011] The beneficial effects of the utility model are as follows: under the control of the control device, the positioning mechanism pushes the steel cylinder to make its center line coincide with the center line of the guide mechanism, and the center positioning of the steel cylinder can be quickly completed; under the drive of the guide mechanism, the direction of the valve port of the steel cylinder angle valve is accurately adjusted to accurately position and align the filling device. The utility model has a simple structure and can meet the needs of automatic filling of steel cylinders with angle valves on an automated liquefied gas filling production line, with high work efficiency and reduced labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is the front view of the utility model, showing the positioning mechanism and the guiding mechanism;

[0013] Figure 2 yes Figure 1 A left side view of the embodiment of the present invention shows a cylinder arranged on a support platform;

[0014] Figure 3 yes Figure 2 A partial enlarged view of the guide pressure head in the guide mechanism and the valve port of the cylinder angle valve;

[0015] Figure 4 yes Figure 3 The bottom arc of the guide opening of the middle guide pressure head is pressed against the outer circle of the valve port of the cylinder angle valve;

[0016] Figure 5 yes Figure 4 A cross-sectional view showing that the inner hole diameter of the guide pressure head is larger than the hand wheel diameter of the cylinder and the center line of the cylinder coincides with the center line of the inner hole of the guide pressure head;

[0017] Figure 6 yes Figure 2 A top view showing the positioning bracket structure.

[0018] Description of the serial numbers in the attached drawings:

[0019] 1: rack; 2: steel cylinder; 5: positioning cylinder; 6: positioning bracket; 7: guide cylinder; 8: guide pressure head; 9: guide opening; 10: valve port of steel cylinder angle valve; 11: guide wheel; 12: support platform; 13: steel cylinder handwheel; 14: positioning mechanism; 16: guide mechanism; D: inner hole diameter of guide pressure head; d: diameter of steel cylinder handwheel. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with embodiments.

[0021] The utility model discloses an automatic positioning device for the valve port of an angle valve of a liquefied gas cylinder. The automatic positioning device comprises a frame 1, and a steel cylinder 2 is located on a support platform 12 in the frame 1. The support platform 12 is a conveying chain or a conveying belt for conveying the steel cylinder 2 in an automatic gas filling device, or a workbench for independently supporting the steel cylinder 2 for filling a liquefied gas cylinder.

[0022] like Figure 1 and Figure 2 As shown, a positioning mechanism 14 and a guide mechanism 16 connected to a control device (not shown) are arranged on the frame 1; the positioning mechanism 14 has two groups with the same structure and is symmetrically arranged on the frame 1 on both sides of the cylinder 2, and is used to move the cylinder 2 so that its center line coincides with the center line of the guide mechanism 16; the guide mechanism 16 is arranged on the frame 1 on the upper part of the cylinder 2, and is used to adjust and fix the center line of the valve port of the cylinder angle valve to align with the filling device (not shown).

[0023] like Figure 1 , Figure 6 As shown, the positioning mechanism includes a positioning drive mechanism, i.e., a positioning cylinder 5, and a positioning bracket 6. The positioning drive mechanism, i.e., the positioning cylinder 5, is arranged on the frame 1. One end of the positioning bracket 6 is connected to the free end of the positioning drive mechanism, i.e., the positioning cylinder 5. The other end of the positioning bracket 6 is a horizontally arranged "V"-shaped opening. The "V"-shaped opening end faces the steel cylinder 2. The two ends of the "V"-shaped opening are respectively hinged with freely rotating guide wheels 11, and the guide wheels 11 can be bearings. The freely rotating guide wheels 11 can reduce the resistance of the steel cylinder 2 during centering and positioning, and prevent friction between the steel cylinder 2 and the positioning bracket 6.

[0024] like Figures 1 to 5As shown, the guide mechanism 16 includes a guide drive mechanism, i.e., a guide cylinder 7, and a guide pressure head 8. The guide drive mechanism, i.e., the guide cylinder 7, is arranged on the upper part of the frame 1. One end of the guide pressure head 8 is connected to the free end of the guide drive mechanism, i.e., the guide cylinder 7. The other end of the guide pressure head 8 is provided with a guide opening 9 opening downward. The guide opening 9 has an inclination with a larger lower end and a smaller upper end. The bottom of the upper end of the guide opening 9 is arc-shaped. The arc of the bottom of the through guide opening 9 can fit and press on the outer cylinder of the valve port 10 of the cylinder angle valve.

[0025] An inner hole larger than the cylinder hand wheel is arranged inside the guide pressure head, and the center line of the inner hole of the guide pressure head is the center line of the guide mechanism.

[0026] like Figure 5 As shown, the guide pressure head 8 is square in shape and has a hole in it. The inner hole diameter D of the guide pressure head is larger than the cylinder hand wheel diameter d of the cylinder hand wheel 13. The center line of the inner hole of the guide pressure head 8 is the center line of the guide mechanism 16. Figure 5 It is shown in the figure that the center line of the steel cylinder 2 coincides with the center line of the inner hole of the guide pressure head 8 of the guide mechanism 16. Under the command of the control device, the guide cylinder 7 drives the guide pressure head 8 to move downward, and the inner hole of the guide pressure head 8 first passes through the steel cylinder hand wheel, and then the bottom arc of the upper end of the guide opening 9 is pressed on the outer cylinder of the steel cylinder angle valve port 10, which is convenient for adjusting the angle of the steel cylinder angle valve port 10, so that the steel cylinder angle valve port 10 can be quickly aligned with the filling device (not shown), and on the automatic filling liquefied gas production line, it can meet the needs of automatic filling of angle valve steel cylinders.

[0027] The guide opening 9 of the guide pressure head 8 has an inclination angle of ≤60°.

[0028] The positioning cylinder 5 of the positioning drive mechanism and the guide cylinder 7 of the guide drive mechanism are both reciprocating drive mechanisms connected to the control device.

[0029] The following is a description of the workflow of the utility model:

[0030] After the steel cylinder 2 is transported to the filling station by the conveyor chain support platform 12, under the command of the control device, the piston rods of the two positioning cylinders 5 of the two positioning mechanisms 14 are extended at the same time, driving the guide wheels 11 on the two positioning brackets 6 to contact and clamp the steel cylinder from both sides at the same time. At this time, the center line of the steel cylinder 2 coincides with the center line of the guide mechanism 16 to complete the positioning of the steel cylinder;

[0031] Under the command of the control device, the piston rod of the guide cylinder 7 extends downward, driving the guide pressure head 8 downward. When the inclined side wall of the guide opening 9 of the guide pressure head 8 contacts the outer circle of the valve port 10 of the cylinder angle valve, the valve port 10 of the cylinder angle valve drives the cylinder 2 to rotate around its own center line under the guidance of the inclined surface of the guide opening 9. When the bottom arc of the upper end of the guide opening 9 completely fits the outer circle of the valve port 10 of the cylinder angle valve, the valve port 10 of the cylinder angle valve just rotates to align with the filling device (such as Figure 4 As shown in the figure), at this time, the filling gun (not shown) can be accurately inserted into the valve port 10 of the cylinder angle valve to quickly fill the cylinder 2 with liquefied gas, thereby achieving the purpose of fully automated gas filling equipment.

Claims

1. An automatic positioning device for the valve port of a liquefied gas cylinder angle valve, comprising a frame, a support platform on which the cylinder is located, and characterized in that: A positioning mechanism and a guiding mechanism connected to the control device are arranged on the frame; the positioning mechanism has two groups with the same structure and is symmetrically arranged on both sides of the cylinder, and is used to move the cylinder so that its center line coincides with the center line of the guiding mechanism; the guiding mechanism is arranged on the upper part of the cylinder, and is used to adjust and fix the center line of the valve port of the cylinder angle valve to align with the filling device.

2. The automatic positioning device for the valve port of a liquefied gas cylinder angle valve according to claim 1 is characterized in that: The positioning mechanism includes a positioning drive mechanism and a positioning bracket, one end of the positioning bracket is connected to the free end of the positioning drive mechanism, and the other end of the positioning bracket is a horizontally arranged "V"-shaped opening, the "V"-shaped opening end faces the cylinder, and the two ends of the "V"-shaped opening are respectively hinged with freely rotating guide wheels.

3. The automatic positioning device for the valve port of a liquefied gas cylinder angle valve according to claim 2 is characterized in that: The guide mechanism includes a guide drive mechanism and a guide pressure head, one end of the guide pressure head is connected to the free end of the guide drive mechanism, and the other end of the guide pressure head is provided with a guide opening opening facing downward, the guide opening has an inclination angle that is larger at the lower end and smaller at the upper end, and the bottom of the upper end of the guide opening is arc-shaped, and the arc of the bottom can fit and press on the outer circle of the valve port of the cylinder angle valve.

4. The automatic positioning device for the valve port of a liquefied gas cylinder angle valve according to claim 3 is characterized in that: An inner hole larger than the cylinder hand wheel is arranged inside the guide pressure head, and the center line of the inner hole of the guide pressure head is the center line of the guide mechanism.

5. The automatic positioning device for the valve port of a liquefied gas cylinder angle valve according to claim 3 is characterized in that: The guide opening inclination angle of the guide pressure head is ≤60°.

6. The automatic positioning device for the valve port of a liquefied gas cylinder angle valve according to claim 3 is characterized in that: The positioning drive mechanism and the guide drive mechanism are reciprocating drive mechanisms connected to the control device.

7. The automatic positioning device for the valve port of a liquefied gas cylinder angle valve according to claim 1 is characterized in that: The support platform is one of a conveyor chain, a conveyor belt, and a workbench.

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