AB mixed sealant lengthened glue head correcting device
By designing an extended rubber head correction device for AB mixed sealant, the problem of unstable sealant coating quality was solved, enabling rapid and accurate correction and improving the sealing performance and production efficiency of the steering gear.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BOSCH HUAYU STEERING SYSTEMS (YANTAI) CO LTD
- Filing Date
- 2025-03-14
- Publication Date
- 2026-05-12
AI Technical Summary
In the manufacturing process of automotive steering gears, the quality of sealant coating is unstable, resulting in poor sealing performance. Existing correction methods are complex and inefficient, and cannot meet the needs of high-efficiency production.
A device for correcting the extended nozzle of AB mixed sealant is designed. Through the cooperation of a connecting plate, a positioning block, and a sensor, the device can quickly find the reference point of the sealant nozzle and correct the positional deviation to ensure the quality of sealant coating.
It improved the coating quality of sealant, enhanced the sealing performance of automotive steering gears, simplified the operation process, increased production efficiency, and reduced the defect rate.
Smart Images

Figure CN224221847U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of steering system technology, specifically to an AB mixed sealant extended rubber head correction device. Background Technology
[0002] In the manufacturing process of automotive steering gears, the quality of sealant application is crucial to the steering gear's sealing performance. When producing the steering gear SCU (Steering Unit Control Unit) parts, a spiral-mixed extended plastic tubing is used to avoid obstructing the SCU connector. This tubing needs periodic replacement. During replacement, deformation of the plastic component can cause misalignment and significant positional deviations. This leads to misalignment of the sealant application path or collisions between the sealant tip and the product, affecting the steering gear's sealing effect and increasing the risk of leaks and other quality problems. Furthermore, existing correction methods are complex and inefficient, failing to meet the high-efficiency production requirements of steering gear SCU manufacturing. Summary of the Invention
[0003] To overcome the shortcomings of the prior art, this utility model provides an extended glue head correction device for AB mixed sealant. Through the cooperation of the correction device and the control system, after replacing the plastic spiral mixing tube, the employee can quickly and accurately find the glue needle reference point. The sensor detects the position deviation and corrects it in time, ensuring the coating quality of the sealant and improving the sealing performance of the automotive steering gear.
[0004] To achieve the above objectives, an extended glue head correction device for AB mixed sealant is designed, comprising a connecting plate, a positioning block, and a glue needle positioning sleeve. The device is characterized in that: the connecting plate includes a main connecting plate and a secondary connecting plate; the positioning block includes a long positioning block and a short positioning block, which are respectively connected to the main connecting plate; the main connecting plate is connected to the secondary connecting plate via a glue needle positioning sleeve mounting bracket; a plastic spiral mixing glue tube guide sleeve is provided on the rear side of the glue needle positioning sleeve, and the glue needle is connected to the bottom of the plastic spiral mixing glue tube guide sleeve; a glue needle positioning sleeve is fitted on the outer side of the connection between the plastic spiral mixing glue tube guide sleeve and the glue needle.
[0005] The long positioning block is a long rectangular module structure, and the long positioning block is located at the front end of the top of the main connecting plate.
[0006] The short positioning block is a rectangular module structure, and there are at least two short positioning blocks, which are located on the left and right sides of the rear of the main connecting plate, respectively.
[0007] The main connecting plate and the secondary connecting plate are rectangular panel structures. The main connecting plate is connected to the glue injection equipment through long positioning blocks and short positioning blocks.
[0008] The plastic spiral mixing hose guide sleeve has a cylindrical structure, and a plastic spiral mixing hose is installed inside the plastic spiral mixing hose guide sleeve. The lower part of the plastic spiral mixing hose guide sleeve passes through the auxiliary connecting plate.
[0009] The aforementioned glue needle positioning cylinder mounting bracket consists of two connecting frames. The top and bottom of the glue needle positioning cylinder mounting bracket are connected to the main connecting plate and the secondary connecting plate respectively by bolts and positioning pins.
[0010] The glue needle positioning sleeve has a stepped sleeve structure and is connected to the bottom of the auxiliary connecting plate.
[0011] Compared with the prior art, this utility model provides an extended glue head correction device for AB mixed sealant. Through the cooperation of the correction device and the control system, after replacing the plastic spiral mixing tube, the employee can quickly and accurately find the glue needle reference point. The sensor detects the position deviation and corrects it in time, ensuring the coating quality of the sealant and improving the sealing performance of the automotive steering gear.
[0012] Meanwhile, the device of this utility model has a simple structure and is easy to operate, which can effectively improve manufacturing efficiency, reduce the first-pass defect rate, and reduce equipment adjustment time. Attached Figure Description
[0013] Figure 1 This is a three-dimensional view of the structure of this utility model.
[0014] Figure 2 This is a cross-sectional view of the structure of this utility model.
[0015] Figure 3 This is a perspective view of the structure of this utility model installed on a dispensing equipment.
[0016] Figure 4 This is a front view of the structure of this utility model installed on a dispensing equipment.
[0017] Figure 5 This is a side view of the structure of this utility model installed on a dispensing device. Detailed Implementation
[0018] The present invention will be further described below with reference to the accompanying drawings.
[0019] like Figure 1 , Figure 2As shown, the connecting plate includes a main connecting plate 4 and a secondary connecting plate 9. The positioning blocks include a long positioning block 2 and a short positioning block 3, which are respectively connected to the main connecting plate 4. The main connecting plate 4 is connected to the secondary connecting plate 9 through a glue needle positioning cylinder mounting bracket 6. A plastic spiral mixing tube guide sleeve 5 is provided on the rear side of the glue needle positioning cylinder mounting bracket 6. A glue needle 8 is connected to the bottom of the plastic spiral mixing tube guide sleeve 5. A glue needle positioning sleeve 7 is sleeved on the outside of the connection between the plastic spiral mixing tube guide sleeve 5 and the glue needle 8.
[0020] The long positioning block 2 is a long rectangular module structure, and it is located at the front end of the top of the main connecting plate 4.
[0021] The short positioning block 3 is a rectangular module structure. There are at least two short positioning blocks 3, which are located on the left and right sides of the rear of the main connecting plate 4, respectively.
[0022] The main connecting plate 4 and the secondary connecting plate 9 are rectangular panel structures. The main connecting plate 4 is connected to the glue injection equipment through the long positioning block 2 and the short positioning block 3.
[0023] The plastic spiral mixing hose guide sleeve 5 has a cylindrical structure. The plastic spiral mixing hose is installed inside the plastic spiral mixing hose guide sleeve 5, and the lower part of the plastic spiral mixing hose guide sleeve 5 passes through the auxiliary connecting plate 9.
[0024] The glue needle positioning cylinder mounting bracket 6 consists of two connecting frames. The top and bottom of the glue needle positioning cylinder mounting bracket 6 are connected to the main connecting plate 4 and the secondary connecting plate 9 by bolts and positioning pins, respectively.
[0025] The glue needle positioning sleeve 7 has a stepped sleeve structure and is connected to the bottom of the auxiliary connecting plate 9.
[0026] like Figures 3 to 5 As shown, the device of this utility model is installed on the glue injection equipment 1. Using the front and two sides of the glue injection equipment 1 as reference surfaces, long positioning blocks 2 and short positioning blocks 3 are installed respectively to achieve the positioning effect. The main connecting plate 4 is installed on the long positioning blocks 2 and short positioning blocks 3. The glue needle positioning sleeve mounting bracket 6 is installed on the main connecting plate 4 by bolts and positioning pins. The plastic spiral mixing tube guide sleeve 5 is installed on the glue injection equipment 1 by threads. The glue needle positioning sleeve 7 is fitted on the glue needle 8 and installed on the auxiliary connecting plate 9 at the bottom of the glue needle positioning sleeve mounting bracket 6 by bolts and positioning pins.
[0027] When employees regularly replace the plastic spiral mixing hose, they remove the needle positioning sleeve 7, take out the needle 8, unscrew the plastic spiral mixing hose guide sleeve 5, replace the new plastic spiral mixing hose, reinstall the plastic spiral mixing hose guide sleeve 5, install the needle 8 on the plastic spiral mixing hose, and accurately install the needle positioning sleeve 7 using the positioning pin. The needle 8 is guided through the precision positioning hole inside the needle positioning sleeve 7, ensuring that the deviation after replacement is within ±0.2mm.
[0028] After all the components of this utility model are precisely installed, the glue application mechanism follows the robot to the calibration sensor device to perform fine calibration of the glue needle. The calibration principle is based on the X, Y, and Z coordinate directions at a speed of 0.5 mm / s. Four coordinate points are collected in each calibration direction and compared with the initial set value. After the X, Y, and Z references of the compensation robot are used for calibration, the calibration is completed. The calibration error must be within the set value range.
Claims
1. A device for correcting the extended glue head of AB mixed sealant, comprising a connecting plate, a positioning block, and a glue needle positioning sleeve, characterized in that: The connecting plate includes a main connecting plate (4) and a secondary connecting plate (9). The positioning block includes a long positioning block (2) and a short positioning block (3). The long positioning block (2) and the short positioning block (3) are respectively connected on the main connecting plate (4). The main connecting plate (4) is connected to the secondary connecting plate (9) through a glue needle positioning cylinder mounting bracket (6). A plastic spiral mixing glue tube guide sleeve (5) is provided on the rear side of the glue needle positioning cylinder mounting bracket (6). The bottom of the plastic spiral mixing glue tube guide sleeve (5) is connected to the glue needle (8). A glue needle positioning sleeve (7) is provided on the outside of the connection between the plastic spiral mixing glue tube guide sleeve (5) and the glue needle (8).
2. The AB mixed sealant extended glue head correction device according to claim 1, characterized in that: The long positioning block (2) is a long rectangular module structure, and the long positioning block (2) is located at the front end of the top of the main connecting plate (4).
3. The AB mixed sealant extended glue head correction device according to claim 1, characterized in that: The short positioning block (3) is a rectangular module structure. There are at least two short positioning blocks (3), and the two short positioning blocks (3) are located on the left and right sides of the rear of the main connecting plate (4).
4. The AB mixed sealant extended head correction device according to claim 1, 2, or 3, characterized in that: The main connecting plate (4) and the secondary connecting plate (9) are rectangular panel structures. The main connecting plate (4) is connected to the glue injection equipment through the long positioning block (2) and the short positioning block (3).
5. The AB mixed sealant extended glue head correction device according to claim 1, characterized in that: The plastic spiral mixing hose guide sleeve (5) is a cylindrical structure. The plastic spiral mixing hose is provided inside the plastic spiral mixing hose guide sleeve (5). The lower part of the plastic spiral mixing hose guide sleeve (5) passes through the auxiliary connecting plate (9).
6. The AB mixed sealant extended glue head correction device according to claim 1, characterized in that: The glue needle positioning cylinder mounting bracket (6) consists of two connecting frames. The top and bottom of the glue needle positioning cylinder mounting bracket (6) are connected to the main connecting plate (4) and the secondary connecting plate (9) respectively by bolts and positioning pins.
7. The AB mixed sealant extended glue head correction device according to claim 1, characterized in that: The glue needle positioning sleeve (7) is a stepped sleeve structure, and the glue needle positioning sleeve (7) is connected to the bottom of the auxiliary connecting plate (9).