CN105060233B - A kind of slurry delivery device - Google Patents

Abstract

The invention provides a slurry conveying device, which is used to transport the slurry to the wall panel machine. The slurry conveying device includes a bracket and a stirring grouting machine; the stirring grouting machine is installed on the support and used to stir the slurry. The feature is that the slurry delivery device also includes a controller and a pumping mechanism, the pumping mechanism includes a first electromagnetic valve, a second electromagnetic valve, a pumping structure, a delivery pipe and a pumping machine; the pumping structure has two driving parts, two oil cylinder, two piston rods, the first buffer cylinder, the second buffer cylinder, the first one-way valve and the second one-way valve, the controller is electrically connected to the first solenoid valve and the second solenoid valve, when the first solenoid valve is closed, the second solenoid valve When the second solenoid valve is disconnected, the piston frame and piston in the first buffer cylinder can push the slurry into the delivery pipe when the first one-way valve is opened; when the first solenoid valve is disconnected and the second solenoid valve is closed, the second solenoid valve is closed. The piston frame and the piston in the second buffer cylinder can move with the corresponding piston rod and push the slurry into the delivery pipe when the second one-way valve is opened.

Description

A slurry conveying device

【Technical field】

The invention relates to the field of slurry processing, in particular to a slurry conveying device in a wallboard machine.

【Background technique】

Most of the pumping mechanisms in the current wallboard machine production equipment use small and medium-displacement slurry pumps. Because there are a large number of EPS (expandable polystyrene) foam particles with a diameter of 3-5mm in the raw materials for making wallboards, and small and medium-displacement The diameter of the pumped particles of the slurry pump is 2-5mm, so it is easy to cause blockage during the pumping process. If the slurry pump with a larger displacement is replaced, the cost is too high; in addition, the traditional pumping mechanism only uses a single storage buffer cylinder, and the slurry in the buffer cylinder is pumped to the wall panel during the wallboard production process. After the machine, it is necessary to wait for the buffer cylinder to be filled with slurry again before continuing to pump the slurry. This process wastes a lot of time and causes the entire production to lag.

【Content of invention】

In view of the above, it is necessary to provide a slurry delivery device that can effectively deliver slurry, prevent clogging, and increase production efficiency.

In order to achieve the above object, the technical solution adopted in the present invention is: a slurry conveying device for conveying the slurry to the wall panel machine, the slurry conveying device includes a bracket and a stirring grouting machine; the stirring The grouting machine is installed on the support and used to stir the slurry. The slurry conveying device also includes a controller and a pumping mechanism. The pumping mechanism includes a first solenoid valve, a second solenoid valve, a pump delivery structure, conveying pipe and pumping machine; the conveying pipe connects the pumping structure and the wall panel machine, and the pumping machine connects the conveying pipe to pump the slurry in the conveying pipe to the The wall panel machine; the pumping structure includes two driving parts, two oil cylinders, two piston rods, a first buffer cylinder, a second buffer cylinder, a first one-way valve and a second one-way valve; the first electromagnetic The valve and the second solenoid valve are respectively electrically connected to the two driving parts, and the two oil cylinders are respectively connected to the two driving parts and the two piston rods, and the two piston rods are respectively housed in the first buffer cylinder, The second buffer cylinder is provided with a piston frame and a piston at the end respectively, the piston frame is sleeved on the corresponding piston rod, and the piston is installed on the corresponding piston rod and accommodated in the corresponding piston frame; One end of the first one-way valve is connected to the bottom of the first buffer cylinder, and the other end is connected to the delivery pipe through a transfer pipe. One end of the second one-way valve is connected to the bottom of the second buffer cylinder, and the other end is connected to the delivery pipe. The delivery pipe; the controller is used to control the closing or opening of the first solenoid valve and the second solenoid valve; when the first solenoid valve is closed and the second solenoid valve is disconnected, the connected The driver of the first solenoid valve is used to drive the piston rod of the first buffer cylinder to move in a direction close to the first one-way valve, and the piston frame and the piston can move with the corresponding piston rod. When the first one-way valve is opened, the slurry is pushed into the delivery pipe; when the first solenoid valve is disconnected and the second solenoid valve is closed, the driver connected to the second solenoid valve is used to Driving the piston rod of the second buffer cylinder to move in a direction close to the second one-way valve, the piston frame and the piston can move with the corresponding piston rod and will be closed when the second one-way valve is opened. Slurry is pushed into the delivery tube.

Preferably, the piston frame includes a frame, a leakage frame and a gasket, the frame is sleeved on the corresponding piston rod, the leakage frame is installed in the frame, and the gasket is installed at the bottom of the frame , the lower ends of the two piston rods can respectively extend into the corresponding frames, and can pass through the corresponding leakage frame, and the two piston rods are respectively installed at the ends of the two piston rods, and are located between the corresponding leakage frame and the between the gaskets.

Preferably, the gasket is provided with a discharge port, and the piston can be used to open or close the discharge port, and push the slurry together with the piston frame when the discharge port is closed.

Preferably, the gasket includes an upper gasket, a sealing ring and a lower gasket, and the sealing ring is clamped between the upper gasket and the lower gasket.

Preferably, the outer diameter of the gasket is equivalent to the inner diameter of the corresponding first buffer cylinder and the second buffer cylinder.

Preferably, the first one-way valve and the second one-way valve respectively include an outer cylinder, an inner cylinder, a mounting sleeve, a screw, an elastic member and a baffle; body, and connected with the outer cylinder, the installation sleeve is installed in the inner cylinder, the screw is accommodated in the installation sleeve, and the two ends are provided with an upper nut and a lower nut, so The elastic member is elastically clamped between the upper nut and the installation sleeve, the baffle plate is installed on the screw rod, and is located below the installation sleeve and against the lower nut; A plate closes the bottom of the inner cylinder and is separated from the inner cylinder when the elastic member elastically deforms.

Preferably, the central axes of the outer cylinder, the inner cylinder, the mounting sleeve and the screw are coincident.

Preferably, the central axis of the inner cylinder coincides with the central axes of the corresponding first buffer cylinder and the second buffer cylinder.

Preferably, the baffle is perpendicular to the central axis of the screw.

Preferably, said piston has a trapezoidal cross-section.

The present invention has the following beneficial effects:

1. The present invention alternately controls the closing or opening of the first solenoid valve and the second solenoid valve through the controller, and indirectly controls the slurry delivery sequence of the first buffer cylinder and the second buffer cylinder, that is, the first buffer cylinder After the slurry in the tank is pumped to the wall panel machine, the slurry in the second buffer tank is pumped, and then pumped repeatedly, so that the slurry in the first buffer tank and the second buffer tank is circulated to prevent During the process of the wall panel machine, the slurry is interrupted, which affects the entire processing progress;

2. The piston frame and the piston of the present invention work together to push the slurry in the first buffer cylinder and the second buffer cylinder into the delivery pipe, preventing the slurry from accumulating in the buffer cylinder to block the passage, causing production to stop.

【Description of drawings】

Fig. 1 is a schematic diagram of a preferred embodiment of the slurry conveying device of the present invention.

Fig. 2 is a schematic diagram of the first buffer cylinder, the second buffer cylinder, the piston cylinder and the piston in Fig. 1 .

Fig. 3 is a schematic diagram of the oil cylinder, piston rod, piston frame and piston in Fig. 2 .

Fig. 4 is a schematic diagram of the first one-way valve in Fig. 2, wherein the first one-way valve is in a closed state.

Fig. 5 is a schematic diagram of the first one-way valve in Fig. 2, wherein the first one-way valve is in an open state.

Description of main component symbols

Slurry conveying device 100 Wall panel machine 200 controller 10 bracket 20 Mixing grouting machine 30 Pumping mechanism 90 First solenoid valve 40 Second solenoid valve 50 Pumping Structure 60 delivery tube 70 Pumping machine 80 The first solenoid valve 40 Second solenoid valve 50 Pumping Structure 60 delivery tube 70 Pumping machine 80 Driver 61 Cylinder 62 Piston rod 63 First buffer cylinder 64 Second buffer cylinder 65 The first one-way valve 66 Second one-way valve 67 Feed port 641 Piston rack 68 Piston 69 frame 681 Leakage rack 682 Washer 683 Upper washer 6831 Seal ring 6832 Lower washer 6833 Outlet 6834 Outer cylinder 661 Inner cylinder 662 Mounting set 663 Screw 664 Elastic 665 Baffle 666 First connecting flange 667 Second connection flange 668 Upper nut 6641 Lower nut 6642 Transfer tube 669

The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings.

【Detailed ways】

Please refer to FIG. 1 and FIG. 2 , in a preferred embodiment of the present invention, a slurry delivery device 100 is used to deliver slurry to a wall panel machine 200 and includes a controller 10 and a bracket 20 . A stirring grouting machine 30 and a pumping mechanism 90 . The agitating grouting machine 30 is installed on the bracket 20 and is used to agitate the slurry; in addition, the controller 10 turns on or off the agitating grouting machine 30 .

The pumping mechanism 90 is installed between the stirring grouting machine 30 and the wallboard machine 200, and includes a first solenoid valve 40, a second solenoid valve 50, a pumping structure 60, and a delivery pipe 70 and a pumping machine 80. The first solenoid valve 40 and the second solenoid valve 50 are respectively electrically connected to the controller 10 . One end of the delivery pipe 70 is installed under the pumping structure 60 , and the other end communicates with the wall panel machine 200 . The pumping machine 80 is connected to the delivery pipe 70 for pumping the slurry in the delivery pipe 70 to the wall panel machine 200 , and is controlled to be turned on or off by the controller 10 . In this embodiment, the pumping machine 80 is mainly composed of a hydraulic station and an electric control box, the controller 10 can open the electric control box, and the hydraulic station can Slurry is sprayed onto the wallboard machine 200 .

Please refer to Fig. 3 together, described pumping structure 60 comprises two driving members 61, two oil cylinders 62, two piston rods 63, a first buffer cylinder 64, a second buffer cylinder 65, a first one-way valve 66 and A second one-way valve 67. In this embodiment, the two driving elements 61 are motors. The first buffer cylinder 64 and the second buffer cylinder 65 have the same structure, and an upper end is provided with a feed port 641 (see FIG. 2 ), and the slurry in the stirring grouting machine 30 passes through the feed port. The port 641 drops into the first buffer cylinder 64 and the second buffer cylinder 65 . The two driving parts 61 are electrically connected to the first solenoid valve 40 and the second solenoid valve 50 respectively, and work when the corresponding first solenoid valve 40 and the second solenoid valve 50 are opened. The two oil cylinders 62 are respectively connected to the two driving parts 61 and the two piston rods 63 . The two piston rods 63 are accommodated in the first buffer cylinder 64 and the second buffer cylinder 65 respectively, and a piston frame 68 and a piston 69 are respectively provided at free ends. The piston 69 is installed at the end of the corresponding piston rod 63 and accommodated in the piston frame 68 . In this embodiment, the piston 68 has a trapezoidal cross-section.

Please continue to refer to FIGS. 1-3 , the piston frame 68 includes a frame 681 , a leakage frame 682 and a washer 683 . The frame 681 is sleeved on the corresponding piston rod 63 and has a width smaller than the inner diameters of the corresponding first buffer cylinder 64 and the second buffer cylinder 65 . The leakage frame 682 is installed in the frame 681, the lower end of the piston rod 63 extends into the frame 63, and passes through the leakage frame 682, and the piston 69 is installed at the end of the corresponding piston rod 63 , and located between the leakage frame 682 and the washer 683 . The washer 683 is mounted on the bottom of the frame 681 , and its outer diameter is equivalent to the inner diameter of the corresponding first buffer cylinder 64 and the second buffer cylinder 65 . Further, the gasket 683 includes an upper gasket 6831 , a sealing ring 6832 and a lower gasket 6833 ; the sealing ring 6832 is clamped between the upper gasket 6831 and the lower gasket 6833 . In addition, the gasket 683 is provided with a discharge port 6834, and the piston 69 is used to open or close the discharge port 6834; preferably, the central axis of the discharge port 6834 coincides with the central axis of the corresponding piston rod 63 . When the piston 69 broke away from the discharge port 6834, the slurry could drop out of the piston frame 68 through the discharge port 6834; when the piston 69 closed the discharge port 6834, the slurry Slurry cannot fall out of the piston frame 68 .

Please refer to Figure 4 and Figure 5 together, the first one-way valve 66 connects the first buffer cylinder 64 and the delivery pipe 70, the second one-way valve 67 connects the second buffer cylinder 65 and the The delivery tube 70 is described. In this embodiment, the first one-way valve 66 and the second one-way valve 67 have the same structure, and respectively include an outer cylinder 661, an inner cylinder 662, a mounting sleeve 663, a screw 664 , an elastic member 665 , a baffle plate 666 , a first connecting flange 667 and a second connecting flange 668 . The first connecting flange 667 and the second connecting flange 668 are sleeved on opposite ends of the outer cylinder body 661 respectively.

The inner cylinder 662 is located in the outer cylinder 661 and connected with the outer cylinder 661 . Preferably, the inner cylinder 662 and the outer cylinder 661 have the same shape and are cylinders; the inner cylinder 662 and the outer cylinder 661 have the same central axis. The installation sleeve 663 is installed on the inner wall of the inner cylinder 662 , and the central axis coincides with the central axis of the inner cylinder 662 . The screw 664 is accommodated in the installation sleeve 663, and a plurality of external threads (not shown) are respectively provided at both ends, and the upper nut 6641 and the lower nut 6642 are installed on the screw 664 through the external threads respectively. . The elastic member 665 is sleeved on the screw rod 664 and clamped between the upper nut 6641 and the installation sleeve 663 . The baffle 666 is installed on the screw 664, and is located below the installation sleeve 663 and against the lower nut 6642; bottom of the cylinder body 662 , and break away from the inner cylinder body 662 when the elastic member 665 elastically deforms. Preferably, the central axis of the screw 664 coincides with the central axis of the inner cylinder 662 .

Please refer to Fig. 1 and Fig. 2, when assembled, the first connecting flange 667 of the first one-way valve 66 and the lower end of the first buffer cylinder 64 are fixed together by welding, and the first one-way valve The second connection flange 668 of 66 is connected to one end of a transfer pipe 669, and communicates with the delivery pipe 70 through the transfer pipe 669. At this time, the central axis of the first buffer cylinder 66 and the outer cylinder body 661 The central axis coincides. The first connecting flange 667 of the second one-way valve 67 and the lower end of the second buffer cylinder 65 are fixed together by welding, and the second connecting flange 668 of the second one-way valve 67 is connected to the One end of the delivery pipe 70 , the other end of the delivery pipe 70 is aligned with the entrance of the panel machine 200 .

The preferred usage mode of the present invention is as follows: the controller 10 turns on the agitating grouting machine 30, the agitating grouting machine 30 works to agitate the slurry, and the agitated slurry falls into the first buffer cylinder 64 , the second buffer cylinder 65; at this time, the controller 10 closes the first solenoid valve 40 and disconnects the second solenoid valve 50; when the first solenoid valve 40 is closed, it is connected with the first solenoid valve 40 The driving member 61 connected to a solenoid valve 40 works, thereby driving the piston rod 63 in the first buffer cylinder 64 to move towards the direction close to the first one-way valve 66, driving the corresponding piston 69 to move downward until the The piston 69 is in close contact with the upper gasket 6831 to close the discharge port 6834; at this time, the piston rod 63 continues to move downward, and the piston 69 and the piston frame 68 continue to move downward along with the piston rod 63. move down, and work together to push down the slurry, the slurry is compressed under pressure, when the pressure is greater than the elastic force of the elastic member 665 of the first one-way valve 66, it can push the first check valve 66 The screw rod 664 of the one-way valve 66 moves downward until the baffle plate 666 breaks away from the inner cylinder 662, thereby opening the first one-way valve 66. At this time, the piston 69 and the piston frame 68 will Slurry can be pushed into the input pipe 70 through the inner cylinder 662 of the first one-way valve 66 and the transfer pipe 669; the controller 10 starts the pumping machine 80, and the pumping machine 80 The slurry is pumped to the wallboard machine 200 .

When the piston frame 68 in the first buffer cylinder 64 abuts against the bottom of the first buffer cylinder 64 , the driver 61 connected to the first electromagnetic valve 40 works, thereby driving the piston in the first buffer cylinder 64 . The piston rod 63 moves away from the first one-way valve 66, driving the corresponding piston 69 and piston frame 68 to move upwards to the feed port 641, and then the elastic member 665 of the first one-way valve 66 is elastic Resume driving the screw rod 664 to move upward, so that the baffle plate 666 closes the bottom of the inner cylinder 662 again; at the same time, the controller 10 closes the second solenoid valve 50 and disconnects the first solenoid valve 40. When the second solenoid valve 50 is closed, the driving member 61 connected to the second solenoid valve 50 works, thereby driving the piston rod 63 in the second buffer cylinder 65 to approach the second one-way The directional movement of the valve 67 drives the corresponding piston 69 to move downward until the piston 69 is in close contact with the upper gasket 6831 to close the discharge port 6834; at this time, the piston rod 63 continues to move downward, so The piston 69 and the piston frame 68 continue to move downward along with the piston rod 63, and work together to push the slurry downward, and the slurry is compressed under pressure. When the pressure is greater than that of the second unit When the elastic force of the elastic member 665 of the valve 67 can push the screw 664 of the second one-way valve 67 to move downward until the baffle 666 breaks away from the inner cylinder 662, thereby opening the second one-way Valve 67, at this time, the piston 69 and the piston frame 69 can push the slurry into the input pipe 70 through the inner cylinder 662 of the second check valve 67, and the controller 10 opens the A pumping machine 80 , the pumping machine 80 pumps the slurry to the wallboard machine 200 .

When the piston frame 68 in the second buffer cylinder 65 abuts against the bottom of the second buffer cylinder 65 , the driver 61 connected to the second solenoid valve 50 works to drive the piston in the second buffer cylinder 65 The rod 63 moves away from the second one-way valve 67, driving the corresponding piston 69 and the piston frame 68 to move upward to the feed port 641, and then the elastic member 665 of the second one-way valve 67 recovers elastically. Drive the screw rod 664 to move upward, so that the baffle plate 666 closes the bottom of the inner cylinder 662 again. At this time, the controller 10 closes the first electromagnetic valve 40 again, and disconnects the second electromagnetic valve. Valve 50, in this way, the slurry will be continuously pumped to the wallboard machine 200, saving production time.

The above-mentioned slurry delivery device 100 alternately controls the closing or opening of the first electromagnetic valve 40 and the second electromagnetic valve 50 through the controller 10, and indirectly controls the slurry delivery of the first buffer cylinder 64 and the second buffer cylinder 65 Sequence, that is: pump the slurry in the first buffer cylinder 64 to the wallboard machine 200, then pump the slurry in the second buffer cylinder 65, and then repeat the pumping, so that the first buffer cylinder 64, The slurry in the second buffer cylinder 65 prevents the slurry from being interrupted during the process of making the wallboard machine 200 and affecting the entire processing progress; And the piston 68 pushes the slurry to the delivery pipe 70, thereby preventing the slurry from accumulating in the buffer cylinder to block the slurry passage, causing production to stop.

The above description is a detailed description of the preferred feasible embodiments of the present invention, but the embodiments are not used to limit the scope of the patent application of the present invention. All equivalent changes or modifications completed under the technical spirit suggested by the present invention shall belong to The scope of patents covered by the present invention.

Claims (7)

1. A slurry conveying device, used to transport the slurry to the wall panel machine, the slurry conveying device includes a support and a stirring grouting machine; the stirring grouting machine is installed on the support, and used for Stirring the slurry, characterized in that: the slurry delivery device also includes a controller and a pumping mechanism, and the pumping mechanism includes a first solenoid valve, a second solenoid valve, a pumping structure, a delivery pipe, and a pumping mechanism. machine; the conveying pipe communicates with the pumping structure and the wallboard machine, and the pumping machine is connected to the conveying pipe for pumping the slurry in the conveying pipe to the wallboard machine; The pumping structure includes two driving parts, two oil cylinders, two piston rods, a first buffer cylinder, a second buffer cylinder, a first one-way valve and a second one-way valve; the first electromagnetic valve and the second The two solenoid valves are respectively electrically connected to the two driving parts, the two oil cylinders are respectively connected to the two driving parts and the two piston rods, and the two piston rods are respectively accommodated in the first buffer cylinder and the second buffer cylinder. Cylinder, and respectively at the end with a piston frame and a piston, the piston frame is sleeved on the corresponding piston rod, the piston is installed on the corresponding piston rod and accommodated in the corresponding piston frame, the piston has a trapezoidal Section; one end of the first one-way valve is connected to the bottom of the first buffer cylinder, the other end is connected to the delivery pipe through a transfer pipe, one end of the second one-way valve is connected to the bottom of the second buffer cylinder, and the other end is connected to the bottom of the second buffer cylinder. One end is connected to the delivery pipe; The controller is used to control the closing or opening of the first solenoid valve and the second solenoid valve; when the first solenoid valve is closed and the second solenoid valve is disconnected, the first solenoid valve is connected The driver of the valve is used to drive the piston rod of the first buffer cylinder to move in a direction close to the first one-way valve, and the piston frame and the piston can move with the corresponding piston rod and move in the direction of the first one-way valve. When the one-way valve is opened, the slurry is pushed into the delivery pipe; when the first solenoid valve is disconnected and the second solenoid valve is closed, the driver connected to the second solenoid valve is used to drive the first solenoid valve. The piston rod of the second buffer cylinder moves in a direction close to the second one-way valve, and the piston frame and the piston can move with the corresponding piston rod and push the slurry in when the second one-way valve is opened. said delivery pipe; The piston frame includes a frame, a material leakage frame and a gasket, the frame is sleeved on the corresponding piston rod, the material leakage frame is installed in the frame, the gasket is installed on the bottom of the frame, the The lower ends of the two piston rods can respectively extend into the corresponding frame, and can pass through the corresponding leakage frame, and the two piston rods are respectively installed at the ends of the two piston rods, and are located between the corresponding leakage frame and the washer ; The first one-way valve and the second one-way valve respectively include an outer cylinder, an inner cylinder, a mounting sleeve, a screw, an elastic member and a baffle; the inner cylinder is located in the outer cylinder, And connected with the outer cylinder body, the installation sleeve is installed in the inner cylinder body, the screw rod is accommodated in the installation sleeve, and an upper nut and a lower nut are provided at both ends, and the elastic member Elastically clamped between the upper nut and the installation sleeve, the baffle plate is installed on the screw rod, and is located below the installation sleeve and against the lower nut; the baffle plate closes the the bottom of the inner cylinder body, and break away from the inner cylinder body when the elastic member elastically deforms. 2. The slurry conveying device according to claim 1, characterized in that: the gasket is provided with a discharge port, and the piston can be used to open or close the discharge port, and when closing the discharge port When pushing the slurry together with the piston rack. 3. The slurry conveying device according to claim 1 or 2, wherein the gasket includes an upper gasket, a sealing ring and a lower gasket, and the sealing ring is clamped between the upper gasket and the lower gasket between. 4. The slurry conveying device according to claim 3, wherein the outer diameter of the gasket is equivalent to the inner diameter of the corresponding first buffer cylinder and the second buffer cylinder. 5. The slurry conveying device according to claim 1, characterized in that: the central axes of the outer cylinder body, the inner cylinder body, the mounting sleeve and the screw coincide. 6. The slurry conveying device according to claim 1, characterized in that: the central axis of the inner cylinder coincides with the central axes of the corresponding first buffer cylinder and the second buffer cylinder. 7. The slurry conveying device according to claim 1, wherein the baffle is perpendicular to the central axis of the screw.