A suction device with current-limiting function

Abstract

The utility model relates to material suction device technical field, and disclose a kind of material suction device with current-limiting function, including storage tank, the top of storage tank is provided with feed inlet, the side of storage tank is provided with suction pipe.This material suction device with current-limiting function, by control device to the flow in the inside of suction pipe is monitored, cooperation control device and the electrical connection between driving motor, control driving motor start-stop, and according to preset parameter, when the flow in the inside of suction pipe is too small, by starting driving motor, make motor shaft drive winding device winding, make pull rope winding on the surface of winding device, pull rope is in taut state, and pull flow board and enlarge the caliber in the inside of suction pipe, by adjusting the opening between flow board and suction pipe, the flow of material through suction pipe can be changed, to realize current-limiting function, and process can reduce manual intervention, improve production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of suction device technology, and in particular to a suction device with flow limiting function. Background Technology

[0002] A material feeder is a device used to pick up and transport materials. In the plastics processing industry, such as injection molding and extrusion, material feeders are commonly used to transport plastic granules. They can transport plastic granules to the appropriate location faster, more conveniently, and more accurately, while avoiding other contamination of the plastic granules.

[0003] Traditional feeders lack flow control, which can lead to instability in the production process when the material flow rate is too high or too low. Excessive flow rate can cause equipment overload, affect equipment lifespan, and even cause malfunctions, while insufficient flow rate can lead to low production efficiency and failure to meet production needs. Utility Model Content

[0004] The technical problem to be solved by this utility model is that the existing technology has the disadvantage of not having a flow limiting function during use. Therefore, we propose a suction device with a flow limiting function.

[0005] To achieve the above objectives, this application adopts the following technical solution: a feeder with flow limiting function, comprising a storage box, an inlet at the top of the storage box, a suction pipe on one side of the storage box, a fixing ring fixed at one end of the surface of the suction pipe, a fixing block fixed on the surface of the suction pipe, a base plate at the bottom of the fixing block, a mounting plate fixed at the top of the base plate, a drive motor mounted on the top of the mounting plate, a motor shaft at one end of the drive motor, a winding device fixed at one end of the motor shaft, a pull rope wound around the surface of the winding device, a flow plate fixed at the other end of the pull rope, the flow plate being slidably connected to the fixing block and the inside of the suction pipe, and a feeder body on the surface of the suction pipe.

[0006] Preferably, pull rods are fixed on both sides of the flow plate, and through holes that cooperate with the pull rods are opened on both sides of the fixing block.

[0007] Preferably, L-shaped plates are slidably connected to both sides of the fixing block, and one side of the L-shaped plate is fixed to the pull rod.

[0008] Preferably, a return spring is fixed on both sides of the fixing block, and the other end of the return spring is fixed to the L-shaped plate.

[0009] Preferably, a sealing groove is provided inside one end of the fixing block, and the interior of the sealing groove is slidably connected to the flow plate.

[0010] Preferably, a control device is installed on the surface of the suction pipe.

[0011] Preferably, the control device is electrically connected to the drive motor.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] In this invention, the flow rate inside the suction pipe is monitored by a control device. The control device, in conjunction with the electrical connection between itself and the drive motor, controls the start and stop of the drive motor. Based on preset parameters, when the flow rate inside the suction pipe is too low, the drive motor is started, causing the motor shaft to drive the winding device to wind the rope. The rope is then taut, pulling the flow plate to increase the diameter of the suction pipe. By adjusting the opening between the flow plate and the suction pipe, the flow rate of material through the suction pipe can be changed, thus achieving a flow-limiting function. This process reduces manual intervention and improves production efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the suction tube structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the fixing block structure of this utility model;

[0017] Figure 4 This is a cross-sectional view of the suction tube of this utility model;

[0018] Figure 5 This is a schematic diagram of the control device structure of this utility model.

[0019] Legend: 1. Storage bin; 2. Feed inlet; 3. Suction pipe; 4. Fixing ring; 5. Fixing block; 6. Base plate; 7. Mounting plate; 8. Drive motor; 9. Motor shaft; 10. Winding device; 11. Pull rope; 12. Flow plate; 13. Suction device body; 14. Control device; 15. Pull rod; 16. Through hole; 17. L-shaped plate; 18. Return spring; 19. Sealing groove. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0021] Reference Figure 1 - Figure 5As shown, this utility model provides a technical solution: a suction device with a flow-limiting function, including a storage box 1, a feed inlet 2 at the top of the storage box 1, a suction pipe 3 on one side of the storage box 1, a fixing ring 4 fixed to one end of the surface of the suction pipe 3, a fixing block 5 fixed to the middle surface of the suction pipe 3, a base plate 6 at the bottom of the fixing block 5, a mounting plate 7 fixed to the top of the base plate 6, a drive motor 8 mounted on the top of the mounting plate 7, a motor shaft 9 at one end of the drive motor 8, a winding device 10 fixed to one end of the motor shaft 9, a pull rope 11 wound around the surface of the winding device 10, a flow plate 12 fixed to the other end of the pull rope 11, the flow plate 12 being slidably connected to the fixing block 5 and the inside of the suction pipe 3, a suction device body 13 communicating with the surface of the suction pipe 3, and a control device 14 electrically connected to the drive motor 8. When the suction pipe 3 is in operation, the suction device body 13 is connected to the surface of the suction pipe 3. When the main body 13 is started, the connection between the main body 13 and the suction pipe 3 creates a negative pressure in the suction pipe 3, thereby sucking the material from the storage box 1. Then, the control device 14 monitors the flow rate inside the suction pipe 3. In conjunction with the electrical connection between the control device 14 and the drive motor 8, the start and stop of the drive motor 8 are controlled. According to preset parameters, when the flow rate inside the suction pipe 3 is too low, the drive motor 8 is started, causing the motor shaft 9 to drive the winding device 10 to wind up, so that the pull rope 11 is wound around the surface of the winding device 10. At this time, the pull rope 11 is in a taut state, and the flow plate 12 is pulled to increase the diameter of the suction pipe 3. By adjusting the opening between the flow plate 12 and the suction pipe 3, the flow rate of the material through the suction pipe 3 can be changed, thereby achieving the flow restriction function. The process can reduce manual intervention and improve production efficiency.

[0022] Reference Figure 3 - Figure 4 As shown in this embodiment: both sides of the flow plate 12 are fixed with tie rods 15, and both sides of the fixing block 5 are provided with through holes 16 that cooperate with the tie rods 15. Through the structure of the tie rods 15 and the through holes 16, the horizontal movement direction of the flow plate 12 can be restricted, so as to prevent the flow plate 12 from tilting when the material flow is too large, thereby improving its stability.

[0023] Reference Figure 3 As shown in this embodiment: L-shaped plates 17 are slidably connected to both sides of the fixing block 5. One side of the L-shaped plate 17 is fixed to the pull rod 15. Through the structure of the L-shaped plate 17, the position of the flow plate 12 and the pull rod 15 can be restricted, so as to prevent the flow plate 12 and the pull rod 15 from leaving the interior of the fixing block 5 during the adjustment process, thus affecting the flow limiting effect.

[0024] Reference Figure 3As shown in this embodiment: both sides of the fixing block 5 are fixed with reset springs 18, and the other end of the reset spring 18 is fixed with the L-shaped plate 17. Through the structure of the reset spring 18, when the flow rate inside the suction pipe 3 is too large, the control device 14 controls the drive motor 8 to drive the motor shaft 9 to drive the winding device 10 to wind in the opposite direction. At this time, the pull rope 11 is in a relaxed state, and the rebound force of the reset spring 18 pulls the L-shaped plate 17 and the pull rod 15 fixed thereto, which drives the flow plate 12 to return to the inside of the fixing block 5 and reduces the diameter between it and the suction pipe 3.

[0025] Reference Figure 4 As shown in this embodiment: a sealing groove 19 is provided inside one end of the fixed block 5. The interior of the sealing groove 19 is slidably connected to the flow plate 12. Through the structure of the sealing groove 19, the sealing performance between the flow plate 12, the suction pipe 3 and the fixed block 5 can be further improved, avoiding leakage and resource waste.

[0026] Reference Figure 5 As shown in this embodiment, a control device 14 is installed on the surface of the suction pipe 3. By installing the control device 14 on the surface of the suction pipe 3, it is possible to conveniently monitor the flow status inside the suction pipe 3. At the same time, this installation method is also conducive to reducing signal transmission delay and interference, and improving the response speed and accuracy of the control device 14.

[0027] Working principle: When the feeder body 13 is started, the connection between the feeder body 13 and the suction pipe 3 creates a negative pressure in the suction pipe 3, thereby sucking the material from the storage box 1. Subsequently, the control device 14 monitors the flow rate inside the suction pipe 3. In conjunction with the electrical connection between the control device 14 and the drive motor 8, the start and stop of the drive motor 8 are controlled. According to preset parameters, when the flow rate in the suction pipe 3 is too low, the drive motor 8 is started, causing the motor shaft 9 to drive the winding device 10 to wind up the rope. 11 is wound around the surface of the winding device 10. At this time, the pull rope 11 is in a taut state and pulls the flow plate 12 to increase the internal diameter of the suction pipe 3. By adjusting the opening between the flow plate 12 and the suction pipe 3, the flow rate of the material through the suction pipe 3 can be changed, thereby achieving the flow restriction function. The process can reduce manual intervention and improve production efficiency. Through the structure of the pull rod 15 and the through hole 16, the horizontal movement direction of the flow plate 12 can be restricted to prevent the flow plate 12 from tilting when the material flow rate is too large, thus improving efficiency. Its stability is achieved through the structure of the L-shaped plate 17, which restricts the position of the flow plate 12 and the pull rod 15, preventing them from detaching from the fixed block 5 during adjustment and affecting the flow limiting effect. Through the structure of the return spring 18, when the flow rate inside the suction pipe 3 is too high, the control device 14 controls the drive motor 8 to drive the motor shaft 9 to drive the winding device 10 to wind in the opposite direction. At this time, the pull rope 11 is in a relaxed state, and the rebound force of the return spring 18 pulls the L-shaped plate 17 and the pull rod 15 fixed thereto, causing the flow plate 12 to return to the inside of the fixed block 5 and reduce the diameter between it and the suction pipe 3. Through the structure of the sealing groove 19, the sealing performance between the flow plate 12, the suction pipe 3 and the fixed block 5 can be further improved, avoiding leakage and resource waste. By installing the control device 14 on the surface of the suction pipe 3, the flow rate status inside the suction pipe 3 can be easily monitored. At the same time, this installation method also helps to reduce signal transmission delay and interference, and improve the response speed and accuracy of the control device 14.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A suction device with flow limiting function, comprising a storage tank (1), characterized in that: The storage box (1) is provided with a feed inlet (2) at the top. A suction pipe (3) is provided on one side of the storage box (1). A fixing ring (4) is fixed at one end of the surface of the suction pipe (3). A fixing block (5) is fixed on the surface of the suction pipe (3). A base plate (6) is provided at the bottom of the fixing block (5). An mounting plate (7) is fixed at the top of the base plate (6). A drive motor (8) is installed at the top of the mounting plate (7). A motor shaft (9) is provided at one end of the drive motor (8). A winding device (10) is fixed at one end of the motor shaft (9). A pull rope (11) is wound around the surface of the winding device (10). A flow plate (12) is fixed at the other end of the pull rope (11). The flow plate (12) is slidably connected to the inside of the fixing block (5) and the suction pipe (3). A suction device body (13) is provided on the surface of the suction pipe (3).

2. A feeder with flow limiting function according to claim 1, characterized in that: Pull rods (15) are fixed on both sides of the flow plate (12), and through holes (16) are provided on both sides of the fixing block (5) to cooperate with the pull rods (15).

3. A feeder with flow limiting function according to claim 1, characterized in that: Both sides of the fixing block (5) are slidably connected to L-shaped plates (17), and one side of the L-shaped plate (17) is fixed to the pull rod (15).

4. A feeder with flow limiting function according to claim 1, characterized in that: Both sides of the fixing block (5) are fixed with reset springs (18), and the other end of the reset springs (18) is fixed with the L-shaped plate (17).

5. A feeder with flow limiting function according to claim 1, characterized in that: A sealing groove (19) is provided inside one end of the fixing block (5), and the interior of the sealing groove (19) is slidably connected to the flow plate (12).

6. A feeder with flow limiting function according to claim 1, characterized in that: A control device (14) is installed on the surface of the suction pipe (3).

7. A feeder with flow limiting function according to claim 6, characterized in that: The control device (14) is electrically connected to the drive motor (8).

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