Automobile half-axle housing blank automatic centering mechanism and conveying device

Abstract

The utility model aims to provide an automatic centering mechanism and a conveying device for an automobile half-axle housing blank. The automatic centering mechanism comprises a base, a middle lifting mechanism, a side lifting mechanism, a parallel finger air cylinder and a supporting plate. A middle lifting mechanism is arranged on the top face of the base, and a Y-direction centering mechanism is arranged at the top end of the middle lifting mechanism. The two side lifting mechanisms are located on the two sides of the middle lifting mechanism in the Y direction respectively, the two side lifting mechanisms ascend and descend synchronously, X-direction parallel finger air cylinders are arranged at the upper ends of the side lifting mechanisms, and a supporting plate is arranged on the top faces of the parallel finger air cylinders; two clamping fingers of the parallel finger air cylinder are arranged on the two side faces of the parallel finger air cylinder in the Y direction respectively, and the clamping fingers vertically extend upwards to the position above the top face of the supporting plate. The semi-axle housing blank centering device is convenient to operate, safe, reliable, economical, practical, small in occupied space and high in centering accuracy, and it is ensured that the position of each semi-axle housing blank is kept within the qualified range.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts production, in particular to an automatic centering mechanism and a conveying device for automobile half-bridge housing blanks. Background Art

[0002] The automotive industry has stringent precision requirements, requiring high-precision machining equipment and scientific production processes to ensure product quality. These demands extend beyond component dimensional accuracy to include shape accuracy and surface finish. As the automotive industry continues to develop, precision requirements are also increasing. Factors influencing precision include human factors, technical expertise, and equipment conditions. Scientifically sound processes and high-quality equipment are crucial for ensuring machining accuracy. The precision and quality of automotive axle housings are crucial for ensuring vehicle stability and safety. Due to inherent equipment defects and other factors, the centering and positioning accuracy of the half-axle housing blanks were not adequately achieved, resulting in suboptimal machining results when the half-axle housings were fed into the machining process. To achieve the desired machining results, many companies have resorted to adding secondary positioning to the machining equipment. This results in overly complex machining fixtures, impacting machining efficiency. Summary of the Invention

[0003] The utility model aims to provide an automatic centering mechanism and a conveying device for automobile half-bridge housing blanks. The mechanism is easy to operate, safe and reliable, economical and practical, occupies little space, and has high centering accuracy, ensuring that the position of each half-bridge housing blank remains within the qualified range.

[0004] The automatic centering mechanism for automobile half-bridge housing blanks comprises a base, a middle lifting mechanism, a side lifting mechanism, a parallel finger cylinder, and a support plate;

[0005] An intermediate lifting mechanism is provided on the top surface of the base, and a Y-direction centering mechanism is provided on the top of the intermediate lifting mechanism; the side lifting mechanism is provided with two groups, which are respectively located on both sides of the Y-direction of the intermediate lifting mechanism. The two groups of side lifting mechanisms rise and fall synchronously, and their upper ends are provided with X-direction parallel finger cylinders, and the top surface of the parallel finger cylinders is provided with a support plate; the two clamping fingers of the parallel finger cylinders are respectively provided on the two side surfaces of the Y-direction, and the clamping fingers extend vertically upward to above the top surface of the support plate.

[0006] The intermediate lifting mechanism is a three-axis cylinder, which is installed on the top surface of the base through a support I. Its piston rod is set vertically upward, and a Y-direction centering mechanism is set on it.

[0007] The Y-axis centering mechanism includes a mounting plate, roller seat I, roller seat II, cylindrical roller I, and cylindrical roller II; the mounting plate is located at the upper end of the piston rod of the intermediate lifting mechanism, and a group of roller seat I and roller seat II are respectively provided on both sides of the top surface of the mounting plate. The roller seat II is located inside the roller seat I, and the distance between the two groups of roller seat II corresponds to the width of the outer circle of the convex hull at the bottom of the automobile half-bridge housing blank;

[0008] The cylindrical roller I is installed on the roller seat I, and the cylindrical roller II is installed on the roller seat II; the cylindrical roller I is parallel to the cylindrical roller II, and the axial direction is the X direction.

[0009] The vertical height of the cylindrical roller II is higher than that of the cylindrical roller I.

[0010] The side lifting mechanism is a three-axis cylinder, which is installed on the top surface of the base through a support II, and a parallel finger cylinder is arranged on it.

[0011] Clamping blocks extending toward the middle of the supporting plate are respectively provided on opposite sides of the two clamping fingers.

[0012] The utility model also discloses a semi-bridge housing blank conveying device with an automatic centering mechanism, which applies the above-mentioned semi-bridge housing blank automatic centering mechanism;

[0013] It includes an automatic chain roller conveyor mechanism, which includes a control device, a frame, a driving roller, a driven shaft, a driving mechanism, a sprocket conveyor mechanism, and a slot limit seat. The driving roller and the driven shaft are respectively provided on both sides of the upper part of the frame. The driven shaft is provided with two groups, which are respectively located on both sides of the frame in the Y direction;

[0014] A sprocket transmission mechanism is provided at each end of the driving roller and on each of the two sets of driven shafts. Multiple sets of corresponding slot limit seats are evenly spaced on each of the two sets of sprocket transmission mechanisms. An automatic centering mechanism for the semi-axle housing blank is provided at the rear of the frame, which is equipped with a photoelectric switch. The control device is electrically connected to the driving mechanism, the photoelectric switch, the intermediate lifting mechanism, the side lifting mechanism, and the parallel finger cylinder.

[0015] The photoelectric switch corresponds to the Z direction of the card slot limit seat. When the card slot limit seat moves to the photoelectric switch position, the automobile half-bridge housing blank triggers the photoelectric switch, and the control device controls the driving mechanism to stop working, and at the same time controls the automatic centering mechanism of the automobile half-bridge housing blank to work; the driving mechanism is connected to the active roller through the transmission mechanism to drive the active roller to rotate.

[0016] The control device is a PLC.

[0017] The driving mechanism is a motor, and the transmission mechanism is a pulley transmission mechanism.

[0018] The working process of this utility model is as follows:

[0019] When the automobile half-bridge housing blank is conveyed to the position of the automobile half-bridge housing blank conveying device, the automobile half-bridge housing blank triggers the photoelectric switch, the driving mechanism stops working, the slot limit seat and the automobile half-bridge housing blank on it stop, and are located at the automatic centering mechanism. The lifting mechanism on the control device side is activated to lift the automobile half-bridge housing blank to protect the automobile half-bridge housing blank from tipping over or running in the X direction. Then the control device controls the middle lifting mechanism to rise, and cylindrical rollers I and II contact the outer circle of the convex hull at the bottom of the automobile half-bridge housing blank. The automobile half-bridge housing blank is positioned in the Y direction by its own weight by rolling and guiding the cylindrical rollers I and II.

[0020] Then the middle lifting mechanism descends, and the automobile half-bridge housing blank falls into the slot limit seat of the automatic chain conveyor mechanism to achieve Z-direction limitation; the control device controls the parallel finger cylinder to clamp, and the clamping fingers cooperate with the clamping block to clamp the automobile half-bridge housing blank to achieve X-direction centering. Then the control device controls the parallel finger cylinder to open, and the side lifting mechanism continues to descend. The robot arm grabs the automobile half-bridge housing blank from top to bottom in the Z direction and sends it to the next process.

[0021] The beneficial effects of the utility model are:

[0022] The utility model can effectively realize the automatic centering and positioning of automobile half-bridge housing blanks, ensuring that half-bridge housing blanks of the same model can be kept in the same position, ensuring the robot's grasping accuracy. It overcomes the problems such as unstable position of the half-bridge housing blank, which causes the robot to deviate from the grasping position, resulting in deviation in subsequent processing and inaccurate positioning.

[0023] This new device offers convenient operation, safety, reliability, economy, practicality, minimal space occupation, and high centering accuracy, ensuring that each half-bridge housing blank is positioned within the specified range. This solves long-standing quality issues caused by inaccurate half-bridge housing blank centering, such as deformation and excessive deviation during processing, and reduces the need for manual intervention after the half-bridge housing is produced. This device has been successfully applied to 38 models of half-bridge housings of varying sizes and lengths, achieving excellent results and promising application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic structural diagram of the automatic centering mechanism for a half-bridge housing blank of an automobile according to Example 1;

[0025] Figure 2 This is a schematic structural diagram of an automobile half-bridge housing blank conveying device with an automatic centering mechanism according to Example 2;

[0026] The serial numbers and names in the figure are as follows:

[0027] 1-base, 2-middle lifting mechanism, 3-side lifting mechanism, 4-parallel finger cylinder, 5-support plate, 6-clamping finger, 7-support I, 8-mounting plate, 9-roller seat I, 10-roller seat II, 11-cylindrical roller I, 12-cylindrical roller II, 13-support II, 14-frame, 15-active roller, 16-driven shaft, 17-driving mechanism, 18-sprocket transmission mechanism, 19-slot limit seat, 20-transmission mechanism, 21-clamping block, 22-automobile half-bridge housing blank, 23-photoelectric switch. DETAILED DESCRIPTION

[0028] The present invention will be described in detail below with reference to the accompanying drawings and embodiments. Example 1

[0029] like Figure 1 As shown, the automatic centering mechanism for automobile half-bridge housing blanks includes a base 1, a middle lifting mechanism 2, a side lifting mechanism 3, a parallel finger cylinder 4, and a support plate 5;

[0030] An intermediate lifting mechanism 2 is provided on the top surface of the base 1, and a Y-direction centering mechanism is provided on the top of the intermediate lifting mechanism 2; the side lifting mechanism 3 is provided with two groups, which are respectively located on both sides of the Y direction of the intermediate lifting mechanism 2, and the two groups of side lifting mechanisms 3 rise and fall synchronously, and their upper ends are provided with X-direction parallel finger cylinders 4, and the top surface of the parallel finger cylinders 4 is provided with a support plate 5; the two clamping fingers 6 of the parallel finger cylinder 4 are respectively provided on the two side surfaces of the Y direction, and the clamping fingers 6 extend vertically upward to above the top surface of the support plate 5.

[0031] The intermediate lifting mechanism 2 is a three-axis cylinder, which is installed on the top surface of the base 1 through a support Ⅰ7. Its piston rod is set vertically upward, and a Y-direction centering mechanism is set on it.

[0032] The Y-axis centering mechanism includes a mounting plate 8, a roller seat I9, a roller seat II10, a cylindrical roller I11, and a cylindrical roller II12; the mounting plate 8 is provided at the upper end of the piston rod of the intermediate lifting mechanism 2, and a group of roller seats I9 and roller seats II10 are provided on both sides of the top surface of the mounting plate 8. The roller seat II10 is located inside the roller seat I9, and the distance between the two groups of roller seats II10 corresponds to the width of the outer circle of the convex hull at the bottom of the automobile half-bridge housing blank 22;

[0033] The cylindrical roller I11 is installed on the roller seat I9, and the cylindrical roller II12 is installed on the roller seat II10; the cylindrical roller I11 is parallel to the cylindrical roller II12, and the axial direction is the X direction.

[0034] The vertical height of the cylindrical roller II 12 is higher than the vertical height of the cylindrical roller I 11 .

[0035] The side lifting mechanism 3 is a three-axis cylinder, which is installed on the top surface of the base 1 through the support II 13, and a parallel finger cylinder 4 is arranged on it.

[0036] The two clamping fingers 6 are provided with clamping blocks 21 extending toward the middle of the support plate 5 on opposite sides thereof. Example 2

[0037] like Figure 2 As shown, the automobile half-bridge housing blank conveying device with an automatic centering mechanism applies the above-mentioned automobile half-bridge housing blank automatic centering mechanism;

[0038] It includes an automatic chain roller conveyor mechanism, which includes a control device, a frame 14, an active roller 15, a driven shaft 16, a driving mechanism 17, a sprocket conveyor mechanism 18, and a slot limit seat 19. Active rollers 15 and driven shafts 16 are respectively provided on both sides of the upper part of the frame 14. The driven shafts 16 are provided in two groups, which are respectively located on both sides of the Y direction of the frame 14; the control device is a PLC.

[0039] A sprocket transmission mechanism 18 is provided at each end of the driving roller 15 and on each of the two sets of driven shafts 16. Multiple sets of corresponding slot limit seats 19 are evenly spaced apart on each of the two sets of sprocket transmission mechanisms 18. An automatic centering mechanism for the semi-axle housing blank is provided at the rear of the frame 14, which is also provided with a photoelectric switch 23. The control device is electrically connected to the driving mechanism 17, the photoelectric switch 23, the intermediate lifting mechanism 2, the side lifting mechanism 3, and the parallel finger cylinder 4.

[0040] The photoelectric switch 23 corresponds to the Z direction of the slot limit seat 19. When the slot limit seat 19 moves to the position of the photoelectric switch 23, the automobile half-bridge housing blank triggers the photoelectric switch 23, and the control device controls the driving mechanism 17 to stop working, and at the same time controls the automatic centering mechanism of the automobile half-bridge housing blank to work; the driving mechanism 17 is connected to the active roller 15 through the transmission mechanism 20 to drive the active roller 15 to rotate.

[0041] The driving mechanism 17 is a motor, and the transmission mechanism 20 is a pulley transmission mechanism.

Claims

1. An automatic centering mechanism for a semi-bridge housing blank of an automobile, comprising a base (1), an intermediate lifting mechanism (2), a side lifting mechanism (3), a parallel finger cylinder (4), and a support plate (5); characterized in that: An intermediate lifting mechanism (2) is provided on the top surface of the base (1), and a Y-direction centering mechanism is provided on the top of the intermediate lifting mechanism (2); two groups of side lifting mechanisms (3) are provided, which are respectively located on both sides of the Y direction of the intermediate lifting mechanism (2); the two groups of side lifting mechanisms (3) are raised and lowered synchronously, and an X-direction parallel finger cylinder (4) is provided on the upper end thereof, and a support plate (5) is provided on the top surface of the parallel finger cylinder (4); two clamping fingers (6) of the parallel finger cylinder (4) are respectively provided on the two side surfaces of the Y direction thereof, and the clamping fingers (6) extend vertically upward to above the top surface of the support plate (5).

2. The automatic centering mechanism for automobile half-bridge housing blanks according to claim 1, characterized in that: The intermediate lifting mechanism (2) is a three-axis cylinder, which is mounted on the top surface of the base (1) through a support I (7), and its piston rod is arranged vertically upward, and a Y-axis centering mechanism is arranged on it.

3. The automatic centering mechanism for automobile half-bridge housing blanks according to claim 2, characterized in that: The Y-axis centering mechanism includes a mounting plate (8), a roller seat I (9), a roller seat II (10), a cylindrical roller I (11), and a cylindrical roller II (12); the mounting plate (8) is arranged at the upper end of the piston rod of the intermediate lifting mechanism (2), and a group of roller seats I (9) and roller seat II (10) are respectively provided on both sides of the top surface of the mounting plate (8), and the roller seat II (10) is located on the inner side of the roller seat I (9), and the distance between the two groups of roller seats II (10) corresponds to the width of the outer circle of the convex hull at the bottom of the automobile half-bridge housing blank (22); The cylindrical roller I (11) is installed on the roller seat I (9), and the cylindrical roller II (12) is installed on the roller seat II (10); the cylindrical roller I (11) is parallel to the cylindrical roller II (12), and the axial direction is the X direction.

4. The automatic centering mechanism for automobile half-bridge housing blanks according to claim 3, characterized in that: The vertical height of the cylindrical roller II (12) is higher than the vertical height of the cylindrical roller I (11).

5. The automatic centering mechanism for automobile half-bridge housing blanks according to claim 1, characterized in that: The side lifting mechanism (3) is a three-axis cylinder, which is installed on the top surface of the base (1) through a support II (13), and a parallel finger cylinder (4) is arranged on it.

6. The automatic centering mechanism for automobile half-bridge housing blanks according to claim 1, characterized in that: Clamping blocks (21) extending toward the middle of the support plate (5) are respectively provided on opposite sides of the two clamping fingers (6).

7. A conveying device for automobile half-bridge housing blanks with an automatic centering mechanism, using the automatic centering mechanism for automobile half-bridge housing blanks according to any one of claims 1 to 6, characterized in that: The automatic chain roller conveyor mechanism comprises a control device, a frame (14), a driving roller (15), a driven shaft (16), a driving mechanism (17), a sprocket conveyor mechanism (18), and a slot limiting seat (19). The driving roller (15) and the driven shaft (16) are respectively provided on both sides of the upper part of the frame (14). The driven shaft (16) is provided with two groups, which are respectively located on both sides of the frame (14) in the Y direction. A sprocket transmission mechanism (18) is provided on each of the two ends of the active roller (15) and the two sets of driven shafts (16), and a plurality of corresponding slot limit seats (19) are evenly spaced on each of the two sets of sprocket transmission mechanisms (18); an automatic centering mechanism for the automobile half-bridge housing blank is provided at the rear of the frame (14), and a photoelectric switch (23) is provided at the rear of the frame (14); the control device is electrically connected to the driving mechanism (17), the photoelectric switch (23), the middle lifting mechanism (2), the side lifting mechanism (3), and the parallel finger cylinder (4). The photoelectric switch (23) corresponds to the Z direction of the card slot limit seat (19). When the card slot limit seat (19) moves to the position of the photoelectric switch (23), the automobile half-bridge housing blank triggers the photoelectric switch (23), and the control device controls the driving mechanism (17) to stop working, and at the same time controls the automatic centering mechanism of the automobile half-bridge housing blank to work; the driving mechanism (17) is connected to the active roller (15) through the transmission mechanism (20) to drive the active roller (15) to rotate.

8. The automobile half-bridge housing blank conveying device with an automatic centering mechanism according to claim 7, characterized in that: The control device is a PLC.

9. The automobile half-bridge housing blank conveying device with an automatic centering mechanism according to claim 7, characterized in that: The driving mechanism (17) is a motor, and the transmission mechanism (20) is a pulley transmission mechanism.

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