Automatic press-fitting device and press-fitting method for silicone oil water pump

Abstract

The invention relates to an automatic press-fitting device for a silicone oil water pump, which is characterized in that a target rotating speed is determined according to the actual fording depth and current torque feedback of an electronic fan when a vehicle fordes, and the rotating speed of the electronic fan is reduced to the target rotating speed; therefore, by reducing the rotating speed of the electronic fan during wading, the problems that the fan blades are damaged or deformed and the battery motor stops working due to high-speed wading of the fan blades are solved, protection of the electronic fan during wading is achieved, and the running reliability of a vehicle during wading can be effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of silicone oil water pump assembly, and in particular to an automatic press-assembly device and a press-assembly method for a silicone oil water pump. Background Art

[0002] Due to the special structure of silicone oil pump, there are many press-fit parts and the accumulated tolerance is large. In order to control the press-fit tolerance of parts, the conventional method is to use step-by-step measurement, that is, to complete a press-fit, remove the parts from the press-fit equipment, and then measure. This method is cumbersome to operate and takes a long time to work; the measurement error is large and the assembly accuracy is poor. Summary of the invention

[0003] In order to solve the above problems, the present invention provides an automatic press-fitting device and press-fitting method for a silicone oil water pump, which have high automation and high assembly precision.

[0004] The technical solution adopted by the present invention is: an automatic press-fitting device for a silicone oil water pump, characterized in that it includes an equipment frame, a press-fitting mechanism, an automatic height measuring mechanism and an equipment control unit, wherein the press-fitting mechanism and the automatic height measuring mechanism are arranged in the equipment frame; the press-fitting mechanism is used to press-fit parts to be assembled, and the automatic height measuring mechanism is used to measure the height of the assembled parts after press-fitting; the equipment control unit is arranged on the side of the equipment frame, and is used to control the press-fitting action of the press-fitting mechanism, display the height value of the parts after press-fitting, and judge the press-fitting result.

[0005] Preferably, the pressing mechanism includes an electric cylinder, a connecting and fixing plate, a support column, a press head tooling joint and a press head tooling; the electric cylinder is installed on the upper end surface of the connecting and fixing plate; the lower end of the support column is fixed on the part positioning tooling, and the upper end is fixed to the connecting and fixing plate; the press head tooling joint is installed on the lower end surface of the connecting and fixing plate, and the press head tooling is installed at the lower end of the press head tooling joint; the electric cylinder drives the press head tooling to move, and presses the parts to be assembled on the part positioning tooling.

[0006] Preferably, the automatic height measuring mechanism comprises a contact displacement sensor, a sensor fixing bracket and a correction block, the sensor fixing bracket is mounted on a pressing head tooling of a pressing mechanism, and the contact displacement sensor is mounted on the sensor fixing bracket.

[0007] Preferably, the calibration block is placed on a positioning fixture, and the pressure head fixture of the pressing mechanism drives the contact sensor to move downward, and the contact sensor contacts the calibration block for measurement, thereby completing the position calibration.

[0008] Preferably, after position correction, the parts to be assembled are placed on the positioning fixture, the pressing head fixture of the pressing mechanism drives the contact sensor to move downward, and the contact sensor contacts the parts for real-time measurement.

[0009] Preferably, the equipment control unit includes a PLC control screen for controlling the movement of the pressing mechanism and a pressure-displacement curve control screen for displaying the height of the parts after pressing in real time, and the pressure-displacement curve control screen is arranged above the PLC control screen.

[0010] A method for automatically pressing a silicone oil water pump is characterized in that the automatic pressing device for pressing a silicone oil water pump is used for pressing, and the method comprises the following steps: Select the calibration procedure on the PLC control screen, place the calibration block on the part positioning fixture, and after the pressing mechanism receives the signal that the calibration block is in place, the electric cylinder drives the pressure head fixture to move downward, and the contact sensor contacts the calibration block for measurement to complete the position calibration; after completion, remove the calibration block from the part positioning fixture, and place the parts to be pressed on the part positioning fixture, select the pressing procedure on the PLC control screen, and after the pressing mechanism receives the signal that the parts are in place, the electric cylinder drives the pressure head fixture to move downward to complete the pressing, and the contact sensor contacts the pressed parts for real-time measurement. After the pressing is completed, the pressure displacement curve screen displays the height value after pressing and judges the pressing result. After the pressing is qualified, the product pressing is completed.

[0011] The beneficial effects achieved by the present invention are: the present invention has the following advantages: 1. The automatic height measuring mechanism can automatically measure the products after press-fitting, and 100% detect the assembly dimensions. The pressed parts can be measured during the press-fitting process without removing the parts, which saves working hours and avoids errors in the measurement process. 2. Through the equipment control unit, the automatically measured data is read and converted, and the results are judged to ensure the assembly size of the parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the automatic press-fitting device for the silicone oil water pump of the present invention; Figure 2 It is a structural schematic diagram of the press-fitting mechanism; Figure 3 It is a structural schematic diagram of the automatic height measurement mechanism; Figure 4 It is a structural diagram of the equipment control unit; In the figure: 1. Pressing mechanism; 2. Automatic height measuring mechanism; 3. Equipment control unit; 4. Equipment frame; 1.1. Electric cylinder; 1.2. Connecting fixing plate; 1.3. Support column; 1.4. Press head tooling joint; 1.5. Press head tooling; 2.1. Sensor mounting bracket; 2.2. Contact sensor; 2.3. Calibration block; 3.1. PLC control panel; 3.2. Pressure displacement curve control panel. DETAILED DESCRIPTION

[0013] The present invention will be further described below in conjunction with the accompanying drawings.

[0014] like Figure 1-4 As shown, an automatic press-fitting device for a silicone oil water pump of the present invention comprises an equipment frame 4, a press-fitting mechanism 1, an automatic height measuring mechanism 2 and an equipment control unit 3, wherein the press-fitting mechanism 1 and the automatic height measuring mechanism 2 are arranged in the equipment frame 4; the press-fitting mechanism 1 is used for press-fitting parts to be assembled, and the automatic height measuring mechanism 2 is used for measuring the height of the assembled parts after press-fitting; the equipment control unit 3 is arranged on the side of the equipment frame 4, and is used for controlling the press-fitting action of the press-fitting mechanism 1, displaying the height value of the parts after press-fitting, and judging the press-fitting result.

[0015] In this embodiment, the pressing mechanism 1 includes an electric cylinder 1.1, a connecting and fixing plate 1.2, a support column 1.3, a press head tooling joint 1.4 and a press head tooling 1.5; the electric cylinder 1.1 is installed on the upper end surface of the connecting and fixing plate 1.2; the lower end of the support column 1.3 is fixed on the part positioning tooling, and the upper end is fixed to the connecting and fixing plate 1.2; the press head tooling joint 1.4 is installed on the lower end surface of the connecting and fixing plate 1.2, and the press head tooling 1.5 is installed at the lower end of the press head tooling joint 1.4; the electric cylinder 1.1 drives the press head tooling 1.5 to move, and presses the parts to be assembled on the part positioning tooling.

[0016] In this embodiment, the automatic height measuring mechanism 2 includes a contact displacement sensor 2.2, a sensor fixing bracket 2.1 and a correction block 2.3. The sensor fixing bracket 2.1 is installed on the pressing head tooling 1.5 of the pressing mechanism 1, and the contact displacement sensor 2.2 is installed on the sensor fixing bracket 2.1.

[0017] In this embodiment, the calibration block 2.3 is placed on the positioning fixture, and the pressing head fixture 1.5 of the pressing mechanism 1 drives the contact sensor 2.2 to move downward, and the contact sensor 2.2 contacts the calibration block 2.3 for measurement, thereby completing the position calibration.

[0018] In this embodiment, after position correction, the part to be assembled is placed on the positioning fixture, and the pressing head fixture 1.5 of the pressing mechanism 1 drives the contact sensor 2.2 to move downward, and the contact sensor 2.2 contacts the part for real-time measurement.

[0019] In this embodiment, the equipment control unit includes a PLC control screen for controlling the movement of the press-fitting mechanism 1 and a pressure-displacement curve control screen for real-time display of the height of the parts after press-fitting. The pressure-displacement curve control screen is arranged above the PLC control screen.

[0020] A method for automatically pressing a silicone oil water pump is characterized in that the automatic pressing device for pressing a silicone oil water pump is used for pressing, and the method comprises the following steps: Select the calibration procedure on the PLC control panel 3.1, and place the calibration block 2.3 on the part positioning fixture. After the pressing mechanism 1 receives the signal that the calibration block 2.3 is in place, the electric cylinder 1.1 drives the pressure head fixture 1.5 to move downward, and the contact sensor 2.2 contacts the calibration block 2.3 for measurement to complete the position calibration. After completion, remove the calibration block 2.3 from the part positioning fixture, and place the assembled parts to be pressed on the part positioning fixture. Select the pressing procedure on the PLC control panel 3.1. After the pressing mechanism 1 receives the signal that the part is in place, the electric cylinder 1.1 drives the pressure head fixture 1.5 to move downward to complete the pressing, and the contact sensor 2.2 contacts the pressed parts for real-time measurement. After the pressing is completed, the pressure displacement curve screen 3.2 displays the height value after pressing and judges the pressing result. After the pressing is qualified, the product pressing is completed.

[0021] The above shows and describes the basic principles and main structural features of the present invention. The present invention is not limited to the above examples. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An automatic press-fit device for a silicone oil water pump, characterized in that: The device comprises an equipment frame (4), a pressing mechanism (1), an automatic height measuring mechanism (2) and an equipment control unit (3), wherein the pressing mechanism (1) and the automatic height measuring mechanism (2) are arranged in the equipment frame (4); the pressing mechanism (1) is used for pressing parts to be assembled, and the automatic height measuring mechanism (2) is used for measuring the height of the assembled parts after pressing; the equipment control unit (3) is arranged on the side of the equipment frame (4) and is used for controlling the pressing action of the pressing mechanism (1), displaying the height value of the parts after pressing, and judging the pressing result.

2. The automatic press-fit device for silicone oil water pump according to claim 1, characterized in that: The pressing mechanism (1) comprises an electric cylinder (1.1), a connecting and fixing plate (1.2), a support column (1.3), a pressing head tooling joint (1.4) and a pressing head tooling (1.5); the electric cylinder (1.1) is mounted on the upper end surface of the connecting and fixing plate (1.2); the lower end of the support column (1.3) is fixed to the part positioning tooling, and the upper end is fixed to the connecting and fixing plate (1.2); The press head fixture joint (1.4) is mounted on the lower end surface of the connecting fixing plate (1.2), and the press head fixture (1.5) is mounted on the lower end of the press head fixture joint (1.4); the electric cylinder (1.1) drives the press head fixture (1.5) to move, and presses the parts to be assembled on the part positioning fixture.

3. The automatic press-fitting device for silicone oil water pump according to claim 2 is characterized in that: The automatic height measurement mechanism (2) comprises a contact displacement sensor (2.2), a sensor fixing bracket (2.1) and a correction block (2.3); the sensor fixing bracket (2.1) is mounted on a pressing head tooling (1.5) of a pressing mechanism (1); and the contact displacement sensor (2.2) is mounted on the sensor fixing bracket (2.1).

4. The automatic press-fitting device for silicone oil water pump according to claim 3 is characterized in that: The calibration block (2.3) is placed on the positioning fixture, the pressure head fixture (1.5) of the pressing mechanism (1) drives the contact sensor (2.2) to move downward, and the contact sensor (2.2) contacts the calibration block (2.3) for measurement, thereby completing the position calibration.

5. The automatic press-fitting device for silicone oil water pump according to claim 4 is characterized in that: After position correction, the part to be assembled is placed on the positioning fixture, and the pressing head fixture (1.5) of the pressing mechanism (1) drives the contact sensor (2.2) to move downward, and the contact sensor (2.2) contacts the part to perform real-time measurement.

6. The automatic press-fitting device for silicone oil water pump according to claim 4, characterized in that: The equipment control unit includes a PLC control screen for controlling the movement of the pressing mechanism (1) and a pressure displacement curve control screen for displaying the height of the parts after pressing in real time, and the pressure displacement curve control screen is arranged above the PLC control screen.

7. A method for automatically pressing a silicone oil water pump, characterized in that: The automatic press-fitting device for silicone oil water pump according to any one of claims 1 to 6 is used for press-fitting, comprising the following steps: The calibration procedure is selected on the PLC control panel (3.1), and the calibration block (2.3) is placed on the part positioning fixture. After the pressing mechanism (1) receives the signal that the calibration block (2.3) is in place, the electric cylinder (1.1) drives the pressure head fixture (1.5) to move downward, and the contact sensor (2.2) contacts the calibration block (2.3) for measurement to complete the position calibration. After completion, the calibration block (2.3) is removed from the part positioning fixture, and the assembly part to be pressed is placed on the part positioning fixture. The pressing procedure is selected on the PLC control panel (3.1). After the pressing mechanism (1) receives the signal that the part is in place, the electric cylinder (1.1) drives the pressure head fixture (1.5) to move downward to complete the pressing, and the contact sensor (2.2) contacts the pressed part for real-time measurement. After the pressing is completed, the pressure displacement curve screen (3.2) displays the height value after pressing and judges the pressing result. After the pressing is qualified, the product pressing is completed.

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