High-flexibility parallel shaft type steering engine assembling and conveying tray mechanism

By designing a highly flexible parallel-axis steering gear assembly conveyor pallet mechanism, with the housing and ball screw placed perpendicularly and parallel to each other, the problem of traditional pallet mechanisms being unable to adapt to steering gear short assemblies of different sizes is solved, achieving multi-size compatibility and improving assembly efficiency.

CN223313366UActive Publication Date: 2025-09-09BOSCH HUAYU STEERING SYST CO LTD
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Patent Information

Application Number
CN202422281133.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-19
Publication Date
2025-09-09
Estimated Expiration
2034-09-19

AI Technical Summary

Technical Problem

The traditional horizontal assembly conveyor pallet mechanism is not suitable for the assembly process of parallel axis steering gears, especially because the changes in the housing and drive unit make it incompatible with steering gear short assemblies of different sizes.

Method used

A highly flexible parallel-axis steering gear assembly conveyor pallet mechanism is designed. The housing and ball screw are placed on the pallet in a manner that is perpendicular and parallel to each other. A special placement device for the ball screw, end cover, housing and motor is included. Vertical and horizontal guide rails, clamping devices, etc. are used to achieve adaptation to various sizes.

Benefits of technology

Compatibility with steering gear short assemblies of different sizes is achieved, improving the flexibility and efficiency of the assembly process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of steering systems, in particular to a high-flexibility parallel shaft type steering engine assembling and conveying tray mechanism. A high-flexibility parallel shaft type steering engine assembling and conveying tray mechanism comprises a ball screw placing device, an end cover placing device, a shell placing device, a motor placing device and a tray, and is characterized in that the motor placing device is connected to the tray, the ball screw placing device is arranged on one side of the motor placing device, and the end cover placing device is arranged on the other side of the motor placing device. An end cover placing device is arranged on the rear side of the ball screw placing device; and the front side of the tray is connected with a shell placing device. Compared with the prior art, the high-flexibility parallel shaft type steering engine assembly conveying tray mechanism is provided, the shell and the ball screw are placed on the tray in the mode that the shell and the ball screw are perpendicular to each other and parallel to each other, and the high-flexibility parallel shaft type steering engine assembly conveying tray mechanism can be compatible with a steering engine short assembly with the shell cup opening size ranging from 58 mm to 64 mm, different diameter sizes and the rack length ranging from 650 mm to 850 mm.
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Description

Technical Field

[0001] The utility model relates to the technical field of steering systems, in particular to a high-flexibility parallel-axis steering machine assembly conveying tray mechanism. Background Art

[0002] The steering gear involves a short assembly process, with key components including a ball screw, housing, sensor unit, wiring harness, drive motor, and end caps. Mechanically, compared to traditional dual-pinion steering gears, the housing has changed from a single unit to a combination of end caps and housing, and the drive unit has switched from a rack and pinion drive to a pulley drive. These two changes render the traditional horizontal assembly conveyor pallet mechanism unsuitable for parallel-axis steering gear assembly.

[0003] Therefore, it is necessary to design a very comprehensive solution for material placement during the steering machine assembly process. Summary of the Invention

[0004] In order to overcome the shortcomings of the existing technology, the utility model provides a highly flexible parallel-axis steering gear assembly conveyor pallet mechanism, in which the housing and the ball screw are placed on the pallet in a manner that is perpendicular and parallel to each other. The mechanism is compatible with steering gear short assemblies with housing cup sizes of different diameters ranging from 58 to 64 mm and rack lengths ranging from 650 to 850 mm.

[0005] To achieve the above-mentioned purpose, a highly flexible parallel-axis steering gear assembly conveying pallet mechanism is designed, which includes a ball screw placement device, an end cover placement device, a shell placement device, a motor placement device, and a pallet. The mechanism is characterized in that: the motor placement device is connected to the pallet, a ball screw placement device is provided on one side of the motor placement device, and an end cover placement device is provided on the rear side of the ball screw placement device; and the shell placement device is connected on the front side of the pallet.

[0006] The ball screw placement device includes a ball screw placement device base plate, a ball screw positioning block connecting bracket, a ball screw positioning block, a belt guide block, and a belt limit block. The bottom of the ball screw placement device base plate is fixedly connected to the tray, and one side of the ball screw placement device base plate is connected to the ball screw positioning block through the ball screw positioning block connecting bracket; a belt limit block is provided on the rear side of the ball screw positioning block, and belt guide blocks are respectively provided on the left and right sides of the belt limit block.

[0007] There are at least two belt guide blocks, and the two belt guide blocks are located at the rear side of the ball screw positioning block; the belt guide blocks are V-shaped guide blocks.

[0008] The ball screw positioning block is a C-shaped groove structure.

[0009] The end cover placement device includes a positioning base plate, a support block, a connecting plate, and positioning pins. The bottom of the connecting plate is fixedly connected to the tray, and the top of the connecting plate is connected to the positioning base plate. Several positioning pins and the support block are connected to the positioning base plate.

[0010] The shell placement device includes a vertical guide rail base, a vertical guide rail, a horizontal guide rail base, a horizontal guide rail, a V-shaped support block, a rack anti-fall frame, and a shell top clamping device. The front side of the tray is connected to the vertical guide rail base, the vertical guide rail base is connected to the vertical guide rail, the lower part of the vertical guide rail is slidably connected to the horizontal guide rail base, the horizontal guide rail base is connected to the horizontal guide rail, the horizontal guide rail is slidably connected to the V-shaped support block and the rack anti-fall frame, and is located on one side of the vertical guide rail base and connected to the clamping fixing seat; a shell top clamping device is provided above the vertical guide rail base.

[0011] The V-shaped support block is located on the upper side of the rack anti-drop frame.

[0012] The shell top clamping device includes a clamping connecting seat, a shift fork, a top block, and a clamping connecting plate. The bottom of the clamping connecting seat is connected to the tray, the top of the clamping connecting seat is connected to one end of the clamping connecting plate, and the other end of the clamping connecting plate is connected to the shift fork. A top block is provided in the middle of the shift fork.

[0013] The motor placement device includes a motor placement device base plate, a counterweight, a push rod, a tool locking slider, and a driving profiling block. The bottom of the motor placement device base plate is fixedly connected to the tray, the motor placement device base plate is connected to the tool locking slider through a slider assembly, and the tool locking slider is provided with a driving profiling block; one end of the push rod is connected to the rear side of the tool locking slider, and the other end of the push rod is connected to the cylinder; a counterweight is provided on the front side of the cylinder.

[0014] The pallet is a rectangular panel structure and is located on the steering gear assembly conveyor line.

[0015] Compared with the existing technology, the utility model provides a highly flexible parallel-axis steering gear assembly conveying pallet mechanism, in which the housing and the ball screw are placed on the pallet perpendicularly and parallel to each other, and is compatible with short steering gear assemblies with housing cup sizes of different diameters ranging from 58 to 64 mm and rack lengths ranging from 650 to 850 mm. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of the utility model.

[0017] Figure 2 This is a structural schematic diagram of the ball screw placement device in the utility model.

[0018] Figure 3 This is a schematic diagram of the structure of the end cover placement device of the utility model.

[0019] Figure 4 This is a schematic diagram of the structure of the housing placement device in the present utility model.

[0020] Figure 5 This is a schematic diagram of the structure of the shell top clamping device in the shell placement device.

[0021] Figure 6 This is a schematic diagram of the structure of the motor placement device in the present utility model. DETAILED DESCRIPTION

[0022] The present invention will be further described below with reference to the accompanying drawings.

[0023] like Figure 1 As shown, the tray 5 is connected to a motor placement device 4, a ball screw placement device 1 is provided on one side of the motor placement device 4, and an end cover placement device 2 is provided on the rear side of the ball screw placement device 1; the front side of the tray 5 is connected to a shell placement device 3.

[0024] like Figure 2 As shown, the ball screw placement device 1 includes a ball screw placement device base plate, a ball screw positioning block connecting bracket, a ball screw positioning block, a belt guide block, and a belt limit block. The bottom of the ball screw placement device base plate 1-5 is fixedly connected to the tray 5, and one side of the ball screw placement device base plate 1-5 is connected to the ball screw positioning block 1-3 through the ball screw positioning block connecting bracket 1-4; a belt limit block 1-1 is provided on the rear side of the ball screw positioning block 1-3, and belt guide blocks 1-2 are respectively provided on the left and right sides of the belt limit block 1-1.

[0025] There are at least two belt guide blocks 1-2, and the two belt guide blocks 1-2 are located at the rear side of the ball screw positioning block 1-3; the belt guide blocks 1-2 are V-shaped guide blocks.

[0026] The ball screw positioning blocks 1-3 are C-shaped groove structures.

[0027] Belt stopper 1-1: Because the belt is flexible, it must engage the large pulley on the ball screw to create a certain tension. Belt stopper 1-1 uses a rebound principle, generating a backward pull when the belt is inserted, ensuring the belt is properly installed.

[0028] Belt guide blocks 1-2: Two V-shaped guide blocks guide the placement of the belt and protect the belt from damage during the subsequent installation process.

[0029] Ball screw positioning blocks 1-3: The ball screw is placed in the positioning groove and supported by the arc-shaped circular surface of the pulley.

[0030] Ball screw positioning block connecting bracket 1-4: used to support the ball screw.

[0031] Ball screw placement device base plate 1-5: used to connect the ball screw positioning block connecting bracket 1-4 and tray 5.

[0032] like Figure 3 As shown, the end cover placement device 2 includes a positioning base plate, a support block, a connecting plate, and positioning pins. The bottom of the connecting plate 2-4 is fixedly connected to the tray 5, and the top of the connecting plate 2-4 is connected to the positioning base plate 2-1. Several positioning pins 2-2 and support blocks 2-3 are connected to the positioning base plate 2-1.

[0033] Positioning base plate 2-1: used to install positioning pins 2-2 and support blocks 2-3.

[0034] Positioning pins 2-2: Two positioning pins 2-2 are used to ensure the position of the end cover after placement.

[0035] Support blocks 2-3: Ensure the levelness of the end cover by adjusting the three support blocks 2-3.

[0036] Connecting plate 2-4: used to connect the positioning base plate 2-1 and the tray 5.

[0037] like Figure 4 As shown, the shell placement device 3 includes a vertical guide rail base, a vertical guide rail, a horizontal guide rail base, a horizontal guide rail, a V-shaped support block, a rack anti-fall frame, and a shell top clamping device. The front side of the tray 5 is connected to the vertical guide rail base 3-2, the vertical guide rail base 3-2 is connected to the vertical guide rail 3-1, the lower part of the vertical guide rail 3-1 is slidably connected to the horizontal guide rail base 3-3, the horizontal guide rail base 3-3 is connected to the horizontal guide rail 3-4, the horizontal guide rail 3-4 is slidably connected to the V-shaped support block 3-5 and the rack anti-fall frame 3-6, and is located on one side of the vertical guide rail base 3-2 and connected to the clamping fixing seat 3-7; a shell top clamping device 3-8 is provided above the vertical guide rail base 3-2.

[0038] The V-shaped support block 3-5 is located on the upper side of the rack anti-drop frame 3-6.

[0039] Vertical guide rail 3-1: It can adapt to the requirements of steering gears with different shell lengths by moving in the vertical direction.

[0040] Horizontal guide rails 3-4: Through the horizontal gear selection, it can meet the needs of shells with different cup mouth sizes.

[0041] V-shaped support blocks 3-5: support the lower cup surface of the shell to ensure that the shell is in a vertical state.

[0042] Rack anti-drop bracket 3-6: Since it is placed in a vertical direction, an anti-drop bracket is added to prevent the rack from rotating and falling out of the steering gear.

[0043] like Figure 5As shown, the clamping device 3-8 on the top of the shell includes a clamping connecting seat, a shift fork, a top block, and a clamping connecting plate. The bottom of the clamping connecting seat 3-8-1 is connected to the tray 5, the top of the clamping connecting seat 3-8-1 is connected to one end of the clamping connecting plate 3-8-2, and the other end of the clamping connecting plate 3-8-2 is connected to the shift fork 3-8-3. A top block 3-8-4 is provided in the middle of the shift fork 3-8-3.

[0044] Shift fork 3-8-3: clamps the upper end surface of the housing.

[0045] Top block 3-8-4: supports the upper end surface of the shell.

[0046] like Figure 6 As shown, the motor placement device 4 includes a motor placement device base plate, a counterweight, a push rod, a tool locking slider, and a driving profiling block. The bottom of the motor placement device base plate 4-5 is fixedly connected to the tray 5. The motor placement device base plate 4-5 is connected to the tool locking slider 4-3 through a slider assembly, and the tool locking slider 4-3 is provided with a driving profiling block 4-4; one end of the push rod 4-2 is connected to the rear side of the tool locking slider 4-3, and the other end of the push rod 4-2 is connected to the cylinder 4-6; a counterweight 4-1 is provided on the front side of the cylinder 4-6.

[0047] Counterweight 4-1: Balances the center of gravity of the steering gear short assembly material to prevent the conveyor pallet from tilting.

[0048] Push rod 4-2: adjusts the distance between the drive and the housing to facilitate belt installation.

[0049] Tool locking slide 4-3: quick change system, used to fix the driving contour block 4-4.

[0050] Drive profiling block 4-4: A profiling positioning tool designed with reference to the shape difference of the steering gear drive motor.

[0051] Motor placement device bottom plate 4-5: connected to tray 5.

[0052] The pallet 5 is a rectangular panel structure and is located on the steering gear assembly conveyor line.

[0053] The utility model covers four parts: a ball screw placement device, an end cover placement device, a housing placement device, and a motor placement device. The motor placement device is used to place the steering gear drive motor and is equipped with a forward and backward movable slide for the belt assembly process; the ball screw placement device is used to place the ball screw and the belt; the housing placement device is used to position the steering gear housing; and the end cover placement device is used to position the steering gear upper end cover.

Claims

1. A highly flexible parallel-axis steering gear assembly conveyor tray mechanism, comprising a ball screw placement device, an end cover placement device, a housing placement device, a motor placement device, and a tray, characterized in that: The tray (5) is connected to a motor placement device (4), a ball screw placement device (1) is provided on one side of the motor placement device (4), and an end cover placement device (2) is provided on the rear side of the ball screw placement device (1); and a housing placement device (3) is connected to the front side of the tray (5).

2. The highly flexible parallel-axis steering assembly conveyor pallet mechanism according to claim 1, characterized in that: The ball screw placement device (1) comprises a ball screw placement device base plate, a ball screw positioning block connecting bracket, a ball screw positioning block, a belt guide block, and a belt limit block. The bottom of the ball screw placement device base plate (1-5) is fixedly connected to the tray (5), and one side of the ball screw placement device base plate (1-5) is connected to the ball screw positioning block (1-3) via the ball screw positioning block connecting bracket (1-4). A belt limit block (1-1) is provided at the rear side of the ball screw positioning block (1-3), and belt guide blocks (1-2) are provided on the left and right sides of the belt limit block (1-1).

3. The highly flexible parallel-axis steering assembly conveyor pallet mechanism according to claim 2, characterized in that: At least two belt guide blocks (1-2) are provided, and the two belt guide blocks (1-2) are located at the rear side of the ball screw positioning block (1-3); the belt guide blocks (1-2) are V-shaped guide blocks.

4. The highly flexible parallel-axis steering assembly and conveying pallet mechanism according to claim 2, characterized in that: The ball screw positioning block (1-3) is a C-shaped groove structure.

5. The highly flexible parallel-axis steering assembly and conveying pallet mechanism according to claim 1, characterized in that: The end cap placement device (2) comprises a positioning base plate, a support block, a connecting plate, and positioning pins. The bottom of the connecting plate (2-4) is fixedly connected to the tray (5), the top of the connecting plate (2-4) is connected to the positioning base plate (2-1), and the positioning base plate (2-1) is connected to a plurality of positioning pins (2-2) and the support block (2-3).

6. The highly flexible parallel-axis steering assembly and conveying pallet mechanism according to claim 1, characterized in that: The shell placement device (3) includes a vertical guide rail base, a vertical guide rail, a horizontal guide rail base, a horizontal guide rail, a V-shaped support block, a rack anti-drop frame, and a shell top clamping device. The vertical guide rail base (3-2) is located at the front side of the tray (5) and is connected to the vertical guide rail base (3-2). The vertical guide rail base (3-2) is connected to the vertical guide rail (3-1). The lower part of the vertical guide rail (3-1) is slidably connected to the horizontal guide rail base (3-3). The horizontal guide rail base (3-3) is connected to the horizontal guide rail (3-4). The horizontal guide rail (3-4) is slidably connected to the V-shaped support block (3-5) and the rack anti-drop frame (3-6). The clamping fixing seat (3-7) is located on one side of the vertical guide rail base (3-2); and a shell top clamping device (3-8) is provided above the vertical guide rail base (3-2).

7. The highly flexible parallel-axis steering assembly and conveying pallet mechanism according to claim 6, characterized in that: The V-shaped support block (3-5) is located on the upper side of the rack anti-drop frame (3-6).

8. The highly flexible parallel-axis steering assembly and conveying pallet mechanism according to claim 6, characterized in that: The housing top clamping device (3-8) comprises a clamping connection seat, a shift fork, a top block, and a clamping connection plate. The bottom of the clamping connection seat (3-8-1) is connected to the tray (5), the top of the clamping connection seat (3-8-1) is connected to one end of the clamping connection plate (3-8-2), the other end of the clamping connection plate (3-8-2) is connected to the shift fork (3-8-3), and a top block (3-8-4) is provided in the middle of the shift fork (3-8-3).

9. The highly flexible parallel-axis steering assembly conveyor pallet mechanism according to claim 1, characterized in that: The motor placement device (4) comprises a motor placement device base plate, a counterweight, a push rod, a tool locking slider, and a driving profiling block. The bottom of the motor placement device base plate (4-5) is fixedly connected to the tray (5). The motor placement device base plate (4-5) is connected to the tool locking slider (4-3) via a slider assembly. The tool locking slider (4-3) is provided with a driving profiling block (4-4). The rear side of the tool locking slider (4-3) is connected to one end of the push rod (4-2), and the other end of the push rod (4-2) is connected to the cylinder (4-6). The front side of the cylinder (4-6) is provided with a counterweight (4-1).

10. The highly flexible parallel-axis steering assembly and conveying pallet mechanism according to claim 1, characterized in that: The pallet (5) is a rectangular panel structure, and the pallet (5) is located on the steering gear assembly conveyor line.