Fluidic colloid feeding device

Abstract

The utility model discloses a fluid colloid feeding device, and relates to the technical field of paint feeding, the fluid colloid feeding device comprises a piston feeding unit and a driving mechanism, the piston feeding unit comprises a piston cylinder and a piston rod, a feeding box is sleeved on the piston cylinder, a feeding hole is arranged on a shell of the piston cylinder corresponding to the bottom of a closed cavity, and the piston rod is sleeved on the feeding box. A feeding port of the feeding box is connected with a feeding pipeline used for being connected with a feeding pump, an electromagnetic valve is arranged at the discharging end of the feeding pipeline, a liquid level sensor is arranged on a piston cylinder shell, and the liquid level sensor is in signal connection with a valve controller, a motor driver and a pump controller of the control system. According to the utility model, the feeding pipeline, the liquid level sensor and the control system are arranged, and the feeding pipeline connected with the feeding pump is connected with the storage tank in which the glue is stored, so that automatic suction feeding into the piston cylinder is realized, the quick and convenient glue filling of the fluid glue feeding mechanism is realized, the production efficiency is improved, and the trouble and delay of manual glue filling are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of coating feeding, in particular to a fluid colloidal feeding device. Background Art

[0002] At present, it is usually necessary to coat a coating layer on the surface of a workpiece to improve the performance of the workpiece or protect the workpiece. At present, most factories use mechanical brushing, and many coating devices are equipped with a colloidal feeding mechanism. For fluid colloids, due to the viscosity of the colloids. Therefore, at present, a piston extrusion discharging method is designed according to the characteristics of the fluid colloid with viscosity for feeding, so as to achieve the purpose of efficiently and continuously feeding the fluid colloid.

[0003] When using piston extrusion discharging for feeding, it is necessary to load glue into the piston cylinder. The glue adding methods are mainly divided into manual glue loading and automatic glue adding. Manual glue loading is not only troublesome but also inefficient. Therefore, in order to realize the quick and convenient glue loading of the fluid colloidal feeding mechanism, we provide a fluid colloidal feeding device. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a fluid colloidal feeding device, which solves the problem of loading glue into the piston cylinder when using piston extrusion discharging for feeding in the coating operation on the surface of a workpiece.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a fluid colloidal feeding device, including a piston feeding unit and a driving mechanism. The piston feeding unit includes a piston cylinder and a piston rod. The piston cylinder is fixed on a mounting plate, and a discharge port is arranged at the bottom of the piston cylinder. A feeding box is sleeved on the piston cylinder, and an annular closed chamber is formed between the feeding box and the outer periphery of the piston cylinder shell. A feeding hole is arranged on the piston cylinder shell corresponding to the bottom of the closed chamber, and the piston cylinder shell is communicated with the feeding box through the feeding hole for feeding. A filter screen is arranged above the feeding hole in the chamber of the feeding box, and the filter screen filters the feeding of the feeding interface of the feeding box. The feeding interface of the feeding box is connected with a feeding pipeline for connecting a feeding pump, and a solenoid valve is arranged at the discharging end of the feeding pipeline. A liquid level sensor is arranged on the piston cylinder shell, and the liquid level sensor includes a high-level sensor and a low-level sensor respectively arranged at the upper end and the lower end of the shell;

[0006] The liquid level sensor is signal-connected with a valve controller, a motor driver and a pump controller of the control system. The valve controller is signal-connected with the solenoid valve. The motor driver is signal-connected with the driving motor of the driving mechanism. The pump controller is signal-connected with the feeding pump.

[0007] Preferably, the feeding box is detachably installed on the piston cylinder shell, and the bottom of the feeding box is in a funnel shape.

[0008] Preferably, the top of the feeding box is threadedly connected with a box cover. The bottom of the feeding box is fixed on the piston cylinder by a circle of bolts in the circumferential direction. Sealing rings are provided at the top of the box cover and the bottom end of the feeding box to seal at the connection position.

[0009] Preferably, the feeding holes are a circle of uniformly distributed conical holes, and the outer diameter of the feeding holes is smaller than the inner diameter.

[0010] Preferably, a communicating pipe is provided between the piston cylinders of the piston feeding unit. The piston cylinders are connected through the communicating pipe, and the communicating pipe is connected to the lower end of the piston cylinder housing.

[0011] Preferably, the middle of the communicating pipe is located at the high position of the pipe body of the communicating pipe and is arched upward, and both ends of the communicating pipe are located at the low position of the pipe body of the communicating pipe.

[0012] The utility model has the following beneficial effects:

[0013] By setting a feeding pipeline, a liquid level sensor and a control system, the feeding pipeline connected to a feeding pump is connected to a storage tank storing rubber material. According to the liquid level condition of the rubber material in the piston cylinder, automatic suction feeding into the piston cylinder is realized, and quick and convenient rubber loading of the fluidic colloid feeding mechanism is achieved. The device has a simple structure, strong controllability and simple operation, greatly improves the production efficiency, and also saves the trouble and untimely situation of manual rubber adding. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 is a schematic diagram of the structure at the position of the piston cylinder of the utility model;

[0016] Figure 3 is a schematic diagram of the control system principle of the utility model.

[0017] In the figure: 1. Piston feeding unit; 11. Piston cylinder; 111. Discharge port; 112. Feeding hole; 12. Piston rod; 13. Feeding box; 131. Filter screen; 132. Feeding interface; 133. Box cover; 134. Sealing ring; 2. Driving mechanism; 21. Driving motor; 3. Feeding pipeline; 31. Electromagnetic valve; 32. Feeding pump; 4. Liquid level sensor; 41. High-level sensor; 42. Low-level sensor; 5. Control system; 51. Valve controller; 52. Motor driver; 53. Pump controller; 6. Communicating pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0019] As Figures 1-3 shown, the present utility model provides a technical solution: a fluidic colloid feeding device, which includes a piston feeding unit 1 and a driving mechanism 2. The piston feeding unit 1 includes two groups of piston cylinders 11 and two groups of piston rods 12. The driving mechanism 2 includes a driving motor 21 and a transmission device connected to the output end of the driving motor 21. The transmission device can be a synchronous belt wheel transmission structure or other transmission structures. The transmission structure also includes a lead screw and a nut cooperating with the lead screw. In actual use, the rotation of the lead screw is controlled by the driving motor 21, and the lead screw can drive the piston cylinder 11 of the piston feeding unit 1 to move up and down.

[0020] The piston cylinder 11 is fixed on the mounting plate, and a discharge port 111 is provided at the bottom of the piston cylinder 11. A feeding box 13 is sleeved on the upper middle part of the piston cylinder 11, and a circular closed chamber is formed between the outer periphery of the feeding box 13 and the shell of the piston cylinder 11. The feeding is transitioned through the feeding box 13 to reduce the detection error caused by feeding fluctuations. An inlet hole 112 is provided on the shell of the piston cylinder 11 corresponding to the bottom of the closed chamber. The inlet hole 112 is a circle of uniformly distributed tapered holes, and the outer diameter of the inlet hole 112 is smaller than the inner diameter. The shell of the piston cylinder 11 is communicated with the feeding box 13 through the inlet hole 112 for feeding.

[0021] A filter screen 131 is provided in the chamber of the feeding box 13 above the inlet hole 112, and the filter screen 131 filters the feeding of the feeding interface 132 of the feeding box 13. The feeding interface 132 of the feeding box 13 is connected to a feeding pipeline 3 for connecting a feeding pump 32, and a solenoid valve 31 is provided at the discharge end of the feeding pipeline 3. A liquid level sensor 4 is provided on the shell of the piston cylinder 11, and the liquid level sensor 4 is used to detect the paint liquid level. The liquid level sensor 4 includes a high-level sensor 41 and a low-level sensor 42 respectively provided at the upper and lower ends of the shell.

[0022] The liquid level sensor 4 is signal-connected to the valve controller 51, the motor driver 52, and the pump controller 53 of the control system 5. The valve controller 51 is signal-connected to the solenoid valve 31. The motor driver 52 is signal-connected to the drive motor 21 of the drive mechanism 2. The pump controller 53 is signal-connected to the feed pump 32. When the paint liquid level is low, the low-level sensor 42 detects the signal that the paint is used up and transmits it to the control system 5. After receiving the signal, the motor driver 52 sends a signal to control the drive motor 21 to drive the piston rod 12 to rise above the feed hole 112. The valve controller 51 sends a signal to control the solenoid valve 31 to open. The pump controller 53 sends a signal to control the feed pump 32 to start adding glue.

[0023] After the paint liquid level rises, the high-level sensor 41 detects the signal that the paint is full and transmits it to the control system 5. After receiving the signal, the pump controller 53 sends a signal to control the feed pump 32 to close and stop adding glue. The valve controller 51 sends a signal to control the solenoid valve 31 to close. The motor driver 52 sends a signal to control the drive motor 21 to drive the piston rod 12 to extrude the material.

[0024] The feeding box 13 is detachably installed on the housing of the piston cylinder 11. The top of the feeding box 13 is threadedly connected to the box cover 133. The bottom of the feeding box 13 is fixed to the piston cylinder 11 by a circle of bolts in the circumferential direction. Sealing rings 134 are provided at the top of the box cover 133 and the bottom end of the feeding box 13 to seal at the connection position. In order to ensure smooth feeding of the feeding box 13, the bottom of the feeding box 13 is funnel-shaped.

[0025] A connecting pipe 6 is provided between the two piston cylinders 11 of the piston feeding unit 1, and the piston cylinders 11 are connected through the connecting pipe 6 to ensure that the paint in the two piston cylinders 11 can be used up at the same time and can be added glue at the same time, and the one-time glue addition is completed. The connecting pipe 6 is connected to the lower end of the housing of the piston cylinder 11. The middle of the connecting pipe 6 is located at the high position of the pipe body of the connecting pipe 6 and is arched upward, and the two ends of the connecting pipe 6 are located at the low position of the pipe body of the connecting pipe 6. After the paint in the piston cylinder 11 is used up, the paint in the connecting pipe 6 can be discharged for the glue extrusion operation and will not accumulate.

[0026] It should be noted that in this article, terms such as "including", "comprising" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fluidic colloid feeding device, comprising a piston feeding unit (1) and a driving mechanism (2), characterized in that: The piston feeding unit (1) includes a piston cylinder (11) and a piston rod (12). The piston cylinder (11) is fixed on the mounting plate, and a discharge port (111) is provided at the bottom of the piston cylinder (11). A feeding box (13) is sleeved on the piston cylinder (11), and an annular closed chamber is formed between the outer periphery of the feeding box (13) and the housing of the piston cylinder (11). A feeding hole (112) is provided on the housing of the piston cylinder (11) corresponding to the bottom of the closed chamber. The housing of the piston cylinder (11) is communicated with the feeding box (13) through the feeding hole (112) for feeding. A filter screen (131) is provided above the feeding hole (112) in the chamber of the feeding box (13), and the filter screen (131) filters the feeding of the feeding interface (132) of the feeding box (13). The feeding interface (132) of the feeding box (13) is connected with a feeding pipeline (3) for connecting a feeding pump (32), and a solenoid valve (31) is provided at the discharge end of the feeding pipeline (3). A liquid level sensor (4) is provided on the housing of the piston cylinder (11), and the liquid level sensor (4) includes a high-level sensor (41) and a low-level sensor (42) provided at the upper end and the lower end of the housing respectively; The liquid level sensor (4) is signal-connected to the valve controller (51), the motor driver (52) and the pump controller (53) of the control system (5). The valve controller (51) is signal-connected to the solenoid valve (31). The motor driver (52) is signal-connected to the driving motor (21) of the driving mechanism (2). The pump controller (53) is signal-connected to the feeding pump (32).

2. The fluidic colloid feeding device according to claim 1, wherein: The feeding box (13) is detachably mounted on the housing of the piston cylinder (11), and the bottom of the feeding box (13) is funnel-shaped.

3. A fluidic colloid feeding device according to claim 1, characterized in that: The top of the feeding box (13) is threadedly connected with a box cover (133). The bottom of the feeding box (13) is fixed on the piston cylinder (11) by a circle of bolts in the circumferential direction, and sealing rings (134) are provided at the top of the box cover (133) and the bottom end of the feeding box (13) to seal at the connection position.

4. A fluid colloid feeding device according to claim 1, characterized in that: The feeding holes (112) are a circle of uniformly distributed tapered holes, and the outer diameter of the holes of the feeding holes (112) is smaller than the inner diameter.

5. A fluidic colloid feeding device according to claim 1, characterized in that: A communicating pipe (6) is provided between the piston cylinders (11) of the piston feeding unit (1), and the piston cylinders (11) are connected through the communicating pipe (6). The communicating pipe (6) is connected to the lower end of the housing of the piston cylinder (11).

6. The fluidic colloid feeding device according to claim 5, wherein: The middle of the communicating pipe (6) is at the high position of the pipe body of the communicating pipe (6) and is arched upward, and the two ends of the communicating pipe (6) are at the low position of the pipe body of the communicating pipe (6).

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