Assembling method for water pump rotor machining

Abstract

The invention relates to the technical field of water pump rotor machining, in particular to an assembling method for water pump rotor machining. Calculating to obtain the single rotation angle number of the accommodating body and the downward pressing stroke corresponding to each downward pressing according to the preset downward pressing times; the single output quantity of the first driving motor is obtained according to the single rotation angle number of the containing body; when the containing body is located under the downward pressing mechanism, the rotating shaft is placed on the water pump rotor to be assembled, and the controller controls the downward pressing mechanism to conduct downward pressing at the preset pressure value to the corresponding downward pressing stroke and then lift the downward pressing mechanism. The controller controls the first driving motor to drive so as to enable the accommodating body to rotate according to the single rotation angle number and then stop, and then controls the pressing mechanism to press down again according to the pressure value; and judging whether the preset pressing frequency is reached or not, and if yes, completing the assembly operation. By means of the method, original one-time downward pressing is divided into multiple times of downward pressing, and a corresponding rotating angle is rotated in each time of downward pressing, so that downward pressing stress is balanced.

Description

Technical Field

[0001] The invention relates to the technical field of water pump rotor processing, and in particular to an assembly method for water pump rotor processing. Background Art

[0002] The existing assembly method for processing water pump rotors is to press the rotating shaft into the water pump rotor by a one-time pressing method, which is prone to the following problems: during the one-time pressing process, it is necessary to ensure that the rotating shaft is always coaxial with the water pump rotor, otherwise uneven force is likely to occur, causing the rotating shaft to bend and deform, affecting product quality. Summary of the invention

[0003] In view of this, an object of the present invention is to provide an assembly method for machining a water pump rotor.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is: An assembly method for processing a water pump rotor is applied to a processing device, wherein the processing device comprises a stage, a driving mechanism, a pressing mechanism and a controller; a housing for placing a water pump rotor to be assembled is provided on the stage, and the housing is rotatably connected to the stage, a driven gear is sleeved on the outer wall of the housing, the driving mechanism comprises a first driving motor and a driving gear drivingly connected to an output shaft of the first driving motor, the driving gear meshes with the driven gear, the pressing mechanism is located directly above the housing and is used to press a rotating shaft down into the water pump rotor; the controller is electrically connected to the driving mechanism and the pressing mechanism respectively; and the method comprises the following steps: The number of pressing times is preset, and the single rotation angle of the container and the pressing stroke corresponding to each pressing are calculated according to the number of pressing times; Obtaining a single output of the first drive motor according to a single rotation angle of the containing body; Preset the pressure value of the pressing mechanism; When the containing body is located directly below the pressing mechanism, the rotating shaft is placed on the water pump rotor to be assembled, and the controller controls the pressing mechanism to press down to the corresponding pressing stroke at the pressure value and then lift up; The controller controls the first driving motor to drive so that the containing body rotates according to a single rotation angle and then stops; It is determined whether the preset number of pressing times has been reached. If not, the pressing mechanism is controlled to press again with the pressure value until the preset number of pressing times has been reached, thereby completing the assembly operation.

[0005] Furthermore, the processing equipment further comprises a correction mechanism disposed on one side of the stage, and the correction mechanism is electrically connected to the controller; When the accommodating body is located directly below the pressing mechanism, the rotating shaft is placed on the water pump rotor to be assembled, and the controller controls the correction mechanism to correct the water pump rotor to be assembled and the rotating shaft placed on the accommodating body, and controls the pressing mechanism to act after correction.

[0006] Furthermore, the correction mechanism includes a first jaw and a second jaw that can be opened and closed, the first jaw is located above the second jaw, the inner wall of the first jaw is provided with a first limiting groove that is adapted to the outer diameter of the rotating shaft, and the inner wall of the second jaw is provided with a second limiting groove that is adapted to the outer diameter of the water pump rotor.

[0007] Furthermore, the pressing times are three times, and the single rotation angle is 120°.

[0008] Furthermore, a second drive motor is provided below the loading platform, an output shaft of the second drive motor is drivingly connected to a central position of a lower end of the loading platform, and the second drive motor is electrically connected to a controller.

[0009] Furthermore, the loading platform is provided with more than two containing bodies, which are evenly distributed along the circumferential edge of the loading platform, and the upper end surface of the containing body has a containing groove adapted to the water pump rotor.

[0010] Furthermore, the pressing mechanism includes a mounting bracket and a pressing rod disposed on the mounting bracket and movable in a vertical direction, and the area of ​​the lower end surface of the pressing rod is matched with the area of ​​the end surface of the rotating shaft.

[0011] Furthermore, the pressing mechanism further comprises a movable plate, the mounting bracket is provided with a vertically arranged upright pole, and the movable plate is provided with a first through hole matched with the upright pole and a second through hole matched with the pressing rod.

[0012] Furthermore, the number of the vertical poles is two, the two vertical poles are arranged at an interval from each other, and the downward pressure rod is arranged between the two vertical poles and located on the symmetry axis of the two vertical poles.

[0013] The beneficial effects of the present invention are: The present invention provides an assembly method for processing a water pump rotor, which presets the number of pressing times, calculates the single rotation angle of the housing body and the corresponding pressing stroke for each pressing according to the number of pressing times; obtains the single output of the first drive motor according to the single rotation angle of the housing body; presets the pressure value of the pressing mechanism; when the housing body is directly below the pressing mechanism, the shaft is placed on the water pump rotor to be assembled, and the controller controls the pressing mechanism to press down to the corresponding pressing stroke with the pressure value and then lifts it up; the controller controls the first drive motor to drive the housing body to rotate according to the single rotation angle and then stop; determines whether the preset number of pressing times is reached, and if not, controls the pressing mechanism to press down again with the pressure value until the preset number of pressing times is reached, and the assembly operation is completed. Through the above method, the original one-time pressing is divided into multiple pressings and the corresponding rotation angle is rotated each time the pressing is performed, so as to achieve balanced pressing force, thereby effectively avoiding bending and deformation of the shaft, and ensuring product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Shown is a flow chart of steps of an assembly method for machining a water pump rotor according to the present invention; Figure 2 Shown is a structural schematic diagram of a processing device at one angle; Figure 3 Shown is a structural schematic diagram of the processing equipment from another angle; Figure 4 Shown is a front view of the processing equipment; Figure 5 Shown is a side view of the processing equipment; Figure 6 Shown is a top view of the processing equipment; Description of Figure Numbers: 1- stage; 11- container; 111- driven gear; 112- container slot; 12- second drive motor; 2-correction mechanism; 21-first clamping jaw; 211-first limiting groove; 22-second clamping jaw; 221-second limiting groove; 3-driving mechanism; 31-driving gear; 4-pressing mechanism; 41-mounting bracket; 411-vertical pole; 42-movable plate; 43-pressing rod. DETAILED DESCRIPTION

[0015] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments: like Figure 1As shown, an assembly method for processing a water pump rotor provided by the present invention is applied to a processing device, wherein the processing device comprises a stage, a driving mechanism, a pressing mechanism and a controller; a housing for placing the water pump rotor to be assembled is provided on the stage, and the housing is rotatably connected to the stage, a driven gear is sleeved on the outer wall of the housing, the driving mechanism comprises a first driving motor and a driving gear drivingly connected to the output shaft of the first driving motor, the driving gear is meshed with the driven gear, the pressing mechanism is located directly above the housing and is used to press the rotating shaft down into the water pump rotor; the controller is electrically connected to the driving mechanism and the pressing mechanism respectively; and the following steps are included: The number of pressing times is preset, and the single rotation angle of the container and the pressing stroke corresponding to each pressing are calculated according to the number of pressing times; Obtaining a single output of the first drive motor according to a single rotation angle of the containing body; Preset the pressure value of the pressing mechanism; When the containing body is located directly below the pressing mechanism, the rotating shaft is placed on the water pump rotor to be assembled, and the controller controls the pressing mechanism to press down to the corresponding pressing stroke at the pressure value and then lift up; The controller controls the first driving motor to drive so that the containing body rotates according to a single rotation angle and then stops; It is determined whether the preset number of pressing times has been reached. If not, the pressing mechanism is controlled to press again with the pressure value until the preset number of pressing times has been reached, thereby completing the assembly operation.

[0016] From the above description, it can be seen that the present invention has the following beneficial effects: The present invention provides an assembly method for processing a water pump rotor, which presets the number of pressing times, calculates the single rotation angle of the housing body and the corresponding pressing stroke for each pressing according to the number of pressing times; obtains the single output of the first drive motor according to the single rotation angle of the housing body; presets the pressure value of the pressing mechanism; when the housing body is directly below the pressing mechanism, the shaft is placed on the water pump rotor to be assembled, and the controller controls the pressing mechanism to press down to the corresponding pressing stroke with the pressure value and then lifts it up; the controller controls the first drive motor to drive the housing body to rotate according to the single rotation angle and then stop; determines whether the preset number of pressing times is reached, and if not, controls the pressing mechanism to press down again with the pressure value until the preset number of pressing times is reached, and the assembly operation is completed. Through the above method, the original one-time pressing is divided into multiple pressings and the corresponding rotation angle is rotated each time the pressing is performed, so as to achieve balanced pressing force, thereby effectively avoiding bending and deformation of the shaft, and ensuring product quality.

[0017] Furthermore, the processing equipment further comprises a correction mechanism disposed on one side of the stage, and the correction mechanism is electrically connected to the controller; When the accommodating body is located directly below the pressing mechanism, the rotating shaft is placed on the water pump rotor to be assembled, and the controller controls the correction mechanism to correct the water pump rotor to be assembled and the rotating shaft placed on the accommodating body, and controls the pressing mechanism to act after correction.

[0018] From the above description, it can be seen that through the above method, before pressing down, the water pump rotor and the rotating shaft are first corrected so that the rotating shaft and the water pump rotor are aligned and in a coaxial state, which is conducive to the balance of force during subsequent pressing down.

[0019] Furthermore, the correction mechanism includes a first jaw and a second jaw that can be opened and closed, the first jaw is located above the second jaw, the inner wall of the first jaw is provided with a first limiting groove that is adapted to the outer diameter of the rotating shaft, and the inner wall of the second jaw is provided with a second limiting groove that is adapted to the outer diameter of the water pump rotor.

[0020] From the above description, it can be seen that through the above specific structural design, the water pump rotor and the rotating shaft can be corrected and aligned, which is convenient for force balance in the subsequent downward pressure process. By setting the first limit groove and the second limit groove, the accuracy of the correction and alignment can be ensured.

[0021] Furthermore, the pressing times are three times, and the single rotation angle is 120°.

[0022] It can be seen from the above description that, through the above method, the assembly efficiency can be ensured while satisfying the force balance.

[0023] Furthermore, a second drive motor is provided below the loading platform, an output shaft of the second drive motor is drivingly connected to a central position of a lower end of the loading platform, and the second drive motor is electrically connected to a controller.

[0024] From the above description, it can be seen that through the above method, the loading platform can be rotated horizontally, which is convenient for switching between assembly and material removal.

[0025] Furthermore, the loading platform is provided with more than two containing bodies, which are evenly distributed along the circumferential edge of the loading platform, and the upper end surface of the containing body has a containing groove adapted to the water pump rotor.

[0026] It can be seen from the above description that the above structural design can improve the assembly efficiency, and the accommodating groove plays a limiting role, which is convenient for initial positioning.

[0027] Furthermore, the pressing mechanism includes a mounting bracket and a pressing rod disposed on the mounting bracket and movable in a vertical direction, and the area of ​​the lower end surface of the pressing rod is matched with the area of ​​the end surface of the rotating shaft.

[0028] It can be seen from the above description that, through the above structural design, the contact surface between the lower pressure rod and the rotating shaft can be adapted, thereby further improving the force balance of the rotating shaft.

[0029] Furthermore, the pressing mechanism further comprises a movable plate, the mounting bracket is provided with a vertically arranged upright pole, and the movable plate is provided with a first through hole matched with the upright pole and a second through hole matched with the pressing rod.

[0030] It can be seen from the above description that, through the above structural design, the movable plate serves to limit the movable trajectory of the lower pressure rod, thereby preventing the lower pressure rod from deviating and causing uneven force on the rotating shaft.

[0031] Furthermore, the number of the vertical poles is two, the two vertical poles are arranged at an interval from each other, and the downward pressure rod is arranged between the two vertical poles and located on the symmetry axis of the two vertical poles.

[0032] It can be seen from the above description that the above structural design can further improve the limiting accuracy of the movable trajectory of the push rod.

[0033] Several preferred embodiments or application examples are listed below to help those skilled in the art better understand the technical content of the present invention and the technical contribution made by the present invention relative to the prior art: Preferred embodiment one: like Figures 1 to 6 As shown, an assembly method for processing a water pump rotor provided by the present invention is applied to a processing device, wherein the processing device comprises a stage 1, a driving mechanism 3, a pressing mechanism 4 and a controller; the stage 1 is provided with a housing 11 for placing the water pump rotor to be assembled, and the housing 11 is rotatably connected to the stage 1, a driven gear 111 is sleeved on the outer wall of the housing 11, the driving mechanism 3 comprises a first driving motor and a driving gear 31 drivingly connected to the output shaft of the first driving motor, the driving gear 31 is meshed with the driven gear 111, the pressing mechanism 4 is located directly above the housing 11 and is used to press the rotating shaft down into the water pump rotor; the controller is electrically connected to the driving mechanism 3 and the pressing mechanism 4 respectively; the following steps are included: The number of pressing times is preset, and the single rotation angle of the container and the pressing stroke corresponding to each pressing are calculated according to the number of pressing times; Obtaining a single output of the first drive motor according to a single rotation angle of the containing body; Preset the pressure value of the pressing mechanism; When the containing body is located directly below the pressing mechanism, the rotating shaft is placed on the water pump rotor to be assembled, and the controller controls the pressing mechanism to press down to the corresponding pressing stroke at the pressure value and then lift up; The controller controls the first driving motor to drive so that the containing body rotates according to a single rotation angle and then stops; It is determined whether the preset number of pressing times has been reached. If not, the pressing mechanism is controlled to press again with the pressure value until the preset number of pressing times has been reached, thereby completing the assembly operation.

[0034] The above-mentioned processing equipment also includes a correction mechanism 2 arranged on one side of the stage, and the correction mechanism 2 is electrically connected to the controller; when the container is located directly below the pressing mechanism, the rotating shaft is placed on the water pump rotor to be assembled, and the controller controls the correction mechanism to correct the water pump rotor and the rotating shaft to be assembled placed on the container, and controls the pressing mechanism to move after correction. In the above manner, before pressing down, the water pump rotor and the rotating shaft are first corrected, so that the rotating shaft and the water pump rotor are aligned and in a coaxial state, which is conducive to the force balance during subsequent pressing down.

[0035] The correction mechanism 2 includes a first clamping jaw 21 and a second clamping jaw 22 that can be opened and closed, the first clamping jaw 21 is located above the second clamping jaw 22, a first limiting groove 211 adapted to the outer diameter of the rotating shaft is provided on the inner side wall of the first clamping jaw 21, and a second limiting groove 221 adapted to the outer diameter of the water pump rotor is provided on the inner side wall of the second clamping jaw 22. Through the above-mentioned specific structural design, the water pump rotor and the rotating shaft can be corrected and aligned, which is convenient for force balance in the subsequent pressing process, and the accuracy of the correction and alignment can be ensured by providing the first limiting groove and the second limiting groove.

[0036] In this embodiment, the pressing times are three times, and the single rotation angle is 120°. In the above manner, the assembly efficiency can be ensured while the force balance is met. Of course, the pressing times can also be set to four times, and the corresponding single rotation angle is 90°.

[0037] A second drive motor 12 is provided below the loading platform 1, the output shaft of the second drive motor 12 is transmission-connected to the central position of the lower end of the loading platform, and the second drive motor is electrically connected to the controller. In the above manner, the loading platform can be horizontally rotated, which is convenient for switching between assembly and material removal.

[0038] The stage 1 is provided with more than two receiving bodies 11, which are evenly distributed along the circumferential edge of the stage, and the upper end surface of the receiving body 11 has a receiving groove 112 adapted to the water pump rotor. The above structural design can improve the assembly efficiency, and the receiving groove plays a limiting role, which is convenient for preliminary positioning.

[0039] The pressing mechanism 4 includes a mounting bracket 41 and a pressing rod 43 disposed on the mounting bracket 41 and movable in the vertical direction, and the area of ​​the lower end surface of the pressing rod is adapted to the area of ​​the end surface of the rotating shaft. Through the above structural design, the contact surface between the pressing rod and the rotating shaft can be adapted, thereby further improving the force balance of the rotating shaft. The pressing mechanism also includes a movable plate 42, and the mounting bracket is provided with a vertically arranged vertical rod 411, and the movable plate 42 is provided with a first through hole adapted to the vertical rod and a second through hole adapted to the pressing rod. Through the above structural design, the movable plate serves to limit the movable trajectory of the pressing rod, avoiding the displacement of the pressing rod and causing uneven force on the rotating shaft. The number of the vertical rods 411 is two, and the two vertical rods 411 are arranged at intervals from each other. The pressing rod 43 is arranged between the two vertical rods 411 and is located on the symmetry axis of the two vertical rods 411. Through the above structural design, the limiting accuracy of the movable trajectory of the pressing rod can be further improved.

[0040] The present invention has been described by the above-mentioned relevant embodiments and drawings, but the above-mentioned embodiments are only examples for implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, modifications and equivalent settings included in the spirit and scope of the claims are included in the scope of the present invention.

Claims

1. An assembly method for processing a water pump rotor, applied to a processing equipment, the processing equipment comprising a stage, a driving mechanism, a pressing mechanism and a controller; a container for placing the water pump rotor to be assembled is provided on the stage, and the container is rotatably connected to the stage, a driven gear is sleeved on the outer wall of the container, the driving mechanism comprises a first driving motor and a driving gear connected to the output shaft of the first driving motor, the driving gear is meshed with the driven gear, the pressing mechanism is located directly above the container and is used to press the rotating shaft down into the water pump rotor; the controller is electrically connected to the driving mechanism and the pressing mechanism, respectively; it is characterized in that The following steps are involved: The number of pressing times is preset, and the single rotation angle of the container and the pressing stroke corresponding to each pressing are calculated according to the number of pressing times; Obtaining a single output of the first drive motor according to a single rotation angle of the containing body; Preset the pressure value of the pressing mechanism; When the containing body is located directly below the pressing mechanism, the rotating shaft is placed on the water pump rotor to be assembled, and the controller controls the pressing mechanism to press down to the corresponding pressing stroke at the pressure value and then lift up; The controller controls the first driving motor to drive so that the containing body rotates according to a single rotation angle and then stops; It is determined whether the preset number of pressing times has been reached. If not, the pressing mechanism is controlled to press again with the pressure value until the preset number of pressing times has been reached, thereby completing the assembly operation.

2. The assembly method for water pump rotor processing according to claim 1, characterized in that: The processing equipment also includes a correction mechanism disposed on one side of the stage, and the correction mechanism is electrically connected to the controller; When the accommodating body is located directly below the pressing mechanism, the rotating shaft is placed on the water pump rotor to be assembled, and the controller controls the correction mechanism to correct the water pump rotor to be assembled and the rotating shaft placed on the accommodating body, and controls the pressing mechanism to act after correction.

3. The assembly method for water pump rotor processing according to claim 2, characterized in that: The correction mechanism includes a first jaw and a second jaw that can be opened and closed, the first jaw is located above the second jaw, the inner side wall of the first jaw is provided with a first limiting groove that is adapted to the outer diameter of the rotating shaft, and the inner side wall of the second jaw is provided with a second limiting groove that is adapted to the outer diameter of the water pump rotor.

4. The assembly method for water pump rotor processing according to claim 1, characterized in that: The pressing times are three times, and the single rotation angle is 120°.

5. The assembly method for water pump rotor processing according to claim 1, characterized in that: A second drive motor is provided below the loading platform, an output shaft of the second drive motor is drivingly connected to the central position of the lower end of the loading platform, and the second drive motor is electrically connected to the controller.

6. The assembly method for water pump rotor processing according to claim 1, characterized in that: The platform is provided with more than two containing bodies, which are evenly distributed along the circumferential edge of the platform, and the upper end surface of the containing body has a containing groove matched with the water pump rotor.

7. The assembly method for water pump rotor processing according to claim 1, characterized in that: The pressing mechanism comprises a mounting bracket and a pressing rod which is arranged on the mounting bracket and can move in a vertical direction. The area of ​​the lower end surface of the pressing rod is matched with the area of ​​the end surface of the rotating shaft.

8. The assembly method for water pump rotor processing according to claim 7, characterized in that: The pressing mechanism further comprises a movable plate, the mounting bracket is provided with a vertically arranged upright pole, and the movable plate is provided with a first through hole matched with the upright pole and a second through hole matched with the pressing rod.

9. An assembly method for water pump rotor processing according to claim 8, characterized in that: The number of the vertical poles is two, and the two vertical poles are arranged at an interval from each other. The pressing rod is arranged between the two vertical poles and is located on the symmetry axis of the two vertical poles.

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