Riveting device for brake-by-wire system valve body part

Abstract

The invention relates to a riveting device for a brake-by-wire system valve body part, and belongs to the field of automobile brake-by-wire system part manufacturing devices. The main workbench is longitudinally mounted in the middle of the lathe bed, the riveting punch mounting mechanism is slidably connected with the main workbench, the sliding mechanism is mounted on the main workbench, the operating table is mounted on the outer side of the lathe bed, the safety grating is fixedly connected to the middle of the lathe bed, and the electrical control box is mounted on the lower portion of the lathe bed. The automatic riveting machine has the advantages that the structure is novel, a servo system serves as a power source, the allowable pressure range is 0-100 KN, the automatic riveting machine can be compatible with riveting work of various products, the repeated pressure precision is + / -1%, and the set pressure unit can reach 0.5 KN. The product positioning part uses a servo sliding table, and the sliding table is reasonable in layout, and the strength needs to meet the maximum bearing press-fitting force of the product; the X-axis, the Y-axis and the Z-axis are controlled by a high-precision motor, the position repetition precision is + / -0.02 mm, positioning is accurate and reliable, the product riveting efficiency is improved, and meanwhile the reliability of the riveting process is compatible.

Description

Technical Field

[0001] The invention belongs to the field of automobile brake-by-wire system component manufacturing devices, and in particular relates to a device for riveting valve body components of a brake-by-wire system. Background Art

[0002] As the main development trend of the current market, the wire control brake system has been widely recognized for its advantages such as high integration and fast response. The system composition is relatively complex and the form and structure are diverse. The valve body is the main mechanical structure of the system. In order to realize the function, the solenoid valve components, steel balls, sensors, etc. need to be riveted to the valve body to form the valve body components. The riveting process requires high control accuracy of equipment position, force and other parameters to ensure the sealing requirements.

[0003] The current existing valve body component assembly process is relatively simple, and the position needs to be manually repeated multiple times, including flipping of multiple surfaces of the valve body. This method has poor position recognition accuracy, low assembly efficiency, is greatly affected by human factors, and has a low yield rate. Summary of the invention

[0004] The invention provides a device for riveting valve body components of a brake-by-wire system, so as to solve the existing problems of poor recognition accuracy, low assembly efficiency, great influence of human factors and low yield.

[0005] The technical solution adopted by the present invention is to include a main workbench, an operating table, a sliding mechanism, a bed, a riveting punch installation mechanism, an electrical control box and a safety grating, wherein the main workbench is longitudinally installed in the middle of the bed, the riveting punch installation mechanism is slidably connected to the main workbench, the sliding mechanism is installed on the main workbench, the operating table is installed on the outside of the bed, the safety grating is fixedly connected to the middle of the bed, and the electrical control box is installed at the bottom of the bed.

[0006] The main workbench includes a driving motor, a reduction mechanism, a linear transmission mechanism, a support platform and a displacement sensor, wherein the driving motor, the reduction mechanism and the linear transmission mechanism are arranged longitudinally together on the support platform, the reduction mechanism is connected to the linear transmission mechanism through an internal mechanism to drive the linear transmission mechanism to move axially, a riveting punch installation mechanism is installed at the end of the linear transmission mechanism, and a high-precision displacement sensor is installed on the side of the support platform to monitor the real-time displacement of the working process.

[0007] The sliding mechanism includes a servo slide in the X-axis direction, an X-axis servo electric cylinder, a workstation A, a single-piston cylinder, a double-piston cylinder 1, a servo slide moving in the Y-axis direction, a Y-axis servo electric cylinder, a workstation B and a double-piston cylinder 2, wherein the servo slide in the X-axis direction is arranged with a servo electric cylinder responsible for driving the movement of the X-axis slide and a single-piston cylinder and a double-piston cylinder 1 for positioning and clamping the product, two workstations A and B for clamping the product are arranged horizontally on the servo slide, the servo slide responsible for movement in the Y-axis direction is arranged under the servo slide and carries the servo slide, and the servo slide moving in the Y-axis direction is arranged with a servo electric cylinder responsible for the Y-axis movement direction and a double-piston cylinder 2 for positioning and clamping the product at workstation B.

[0008] The lower end of the bed is provided with movable casters.

[0009] The riveting punch installation mechanism includes a longitudinal slide, a guide rail for longitudinal movement, a guide device, a platform, a riveting punch and a force sensor, wherein the guide rail responsible for longitudinal movement is arranged behind the longitudinal slide, which is responsible for up and down sliding and guiding. Four guide devices are arranged on the slide plane to ensure the verticality of the press. The lower ends of the four guide devices are connected to the platform for installing the riveting punch to rivet the product. A force sensor is installed at the center of the slide to monitor the size of the press force in real time.

[0010] The advantages of the present invention are novel structure, the power source is a servo system, the allowable pressure range is 0~100KN, it is compatible with the riveting work of various products, the pressure repeatability is ±1%, and the pressure setting unit can reach 0.5KN. The product positioning part uses a servo slide, and the slide layout is reasonable and the strength needs to meet the maximum load-bearing pressing force of the product. The X, Y, and Z axes are controlled by high-precision motors, the position repeatability is ±0.02mm, and the positioning is accurate and reliable. The speed of the servo motor can be set in stages during the working process, and the speed is adjustable between 0-100mm / s, which improves the product riveting efficiency while being compatible with the reliability of the riveting process. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is an axial view of the present invention; Figure 2 is an axial view of the main workbench of the present invention; Figure 3 is an axial view of the sliding mechanism 3 of the present invention; Figure 4 It is an axial view of the riveting punch installation mechanism of the present invention. DETAILED DESCRIPTION

[0012] like Figure 1As shown, it includes a main workbench 1, an operating table 2, a sliding mechanism 3, a bed 4, a riveting punch mounting mechanism 5, an electrical control box 6 and a safety grating 7, wherein the main workbench 1 is longitudinally installed in the middle of the bed 4, the riveting punch mounting mechanism 5 is slidably connected to the main workbench 1, the sliding mechanism 3 is installed on the main workbench 1, the operating table 2 is installed on the outside of the bed 4, the safety grating 7 is fixedly connected to the middle of the bed 4, and the electrical control box 6 is installed at the lower part of the bed 4.

[0013] like Figure 2 As shown, the main workbench 1 includes a driving motor 101, a reduction mechanism 102, a linear transmission mechanism 103, a support platform 104 and a displacement sensor 105, wherein the driving motor 101, the reduction mechanism 102, and the linear transmission mechanism 103 are longitudinally arranged together on the support platform 104, the reduction mechanism 102 is connected to the linear transmission mechanism 103 through an internal mechanism, driving the linear transmission mechanism 103 to move axially, a riveting punch installation mechanism 5 is installed at the end of the linear transmission mechanism 103, and a high-precision displacement sensor 105 is installed on the side of the support platform 104 to monitor the real-time displacement of the working process.

[0014] like Figure 3 As shown, the sliding mechanism 3 includes a servo slide 301 in the X-axis direction, an X-axis servo electric cylinder 302, a station A 303, a single-piston cylinder 304, a double-piston cylinder 1 305, a servo slide 306 moving in the Y-axis direction, a Y-axis servo electric cylinder 307, a station B 308 and a double-piston cylinder 2 309, wherein the servo slide 306 in the X-axis direction is arranged with a servo electric cylinder 302 responsible for driving the movement of the X-axis slide and a single piston cylinder 304 for positioning and clamping the product 9. Piston cylinder 304 and double piston cylinder 1 305, two workstations A303 and B308 for clamping products are arranged horizontally on the servo slide 301, the servo slide 306 responsible for movement in the Y-axis direction is arranged under the servo slide 301 and carries the servo slide 301, and the servo slide 306 responsible for movement in the Y-axis direction is arranged on the servo slide 306 responsible for movement in the Y-axis direction and the double piston cylinder 2 309 for positioning and clamping the product in the workstation B308.

[0015] like Figure 1 As shown, movable casters 8 are installed at the lower end of the bed 4.

[0016] like Figure 4As shown, the riveting punch installation mechanism 5 includes a longitudinal slide 501, a guide rail 502 for longitudinal movement, a guide device 503, a platform 504, a riveting punch 505 and a force sensor 506, wherein the guide rail 502 responsible for longitudinal movement is arranged behind the longitudinal slide 501, which is responsible for up and down sliding and guiding, four guide devices 503 are arranged on the plane of the slide 501 to ensure the verticality of the press, and the lower ends of the four guide devices 503 are connected to the platform 504 for installing the riveting punch 505 to rivet the product, and a force sensor 506 is installed at the center of the slide 501 to monitor the size of the press force in real time.

[0017] How it works The valve body components of the wire control brake system need to rivet the solenoid valve components, sensor components, etc. onto the surface of the valve body to form components. Place the riveted product 9 on the servo slide 301, and arrange two product clamping stations A303 or B308. Install a suitable riveting head 505 on the riveting punch installation mechanism 5. Start the equipment with both hands on the operating table 2. After the single piston cylinder C304 and the double piston cylinder D305 are tightened and positioned on the station A303, the sliding mechanism 3 starts to slide the product to the initial zero position according to the set coordinate position. At the same time, the double piston cylinder 2 309 is responsible for the product clamping and positioning at the station B308, and the single piston cylinder C304 and the double piston cylinder D305 are responsible for the product clamping and positioning at the station A, ensuring that the product is stable and reliable during the riveting process. After clamping is completed, the equipment reaches the initial zero position, and the riveting punch installation mechanism 5 moves downward under the joint action of the drive motor 101, the reduction mechanism 102, and the linear transmission mechanism 103. The speed is faster before approaching the product and can be set. After reaching the set height position, it starts to decelerate and start riveting the set coordinate point. After the riveting is completed, it automatically enters the next coordinate position until it exits. The system program monitors abnormal conditions in real time to ensure the reliability of the process.

Claims

1. A device for riveting valve body components of a brake-by-wire system, characterized in that: It includes a main workbench, an operating table, a sliding mechanism, a bed, a riveting punch installation mechanism, an electrical control box and a safety grating, wherein the main workbench is longitudinally installed in the middle of the bed, the riveting punch installation mechanism is slidably connected to the main workbench, the sliding mechanism is installed on the main workbench, the operating table is installed on the outside of the bed, the safety grating is fixedly connected to the middle of the bed, and the electrical control box is installed at the bottom of the bed.

2. The device for riveting valve body components of a brake-by-wire system according to claim 1, characterized in that: The main workbench includes a driving motor, a reduction mechanism, a linear transmission mechanism, a support platform and a displacement sensor, wherein the driving motor, the reduction mechanism and the linear transmission mechanism are arranged longitudinally together on the support platform, the reduction mechanism is connected to the linear transmission mechanism through an internal mechanism to drive the linear transmission mechanism to move axially, a riveting punch installation mechanism is installed at the end of the linear transmission mechanism, and a high-precision displacement sensor is installed on the side of the support platform to monitor the real-time displacement of the working process.

3. The device for riveting valve body components of a brake-by-wire system according to claim 1, characterized in that: The sliding mechanism includes a servo slide in the X-axis direction, an X-axis servo electric cylinder, a workstation A, a single-piston cylinder, a double-piston cylinder 1, a servo slide moving in the Y-axis direction, a Y-axis servo electric cylinder, a workstation B and a double-piston cylinder 2, wherein the servo slide in the X-axis direction is arranged with a servo electric cylinder responsible for driving the movement of the X-axis slide and a single-piston cylinder and a double-piston cylinder 1 for positioning and clamping the product, two workstations A and B for clamping the product are arranged horizontally on the servo slide, the servo slide responsible for movement in the Y-axis direction is arranged under the servo slide and carries the servo slide, and the servo slide moving in the Y-axis direction is arranged with a servo electric cylinder responsible for the Y-axis movement direction and a double-piston cylinder 2 for positioning and clamping the product at workstation B.

4. The device for riveting valve body components of a brake-by-wire system according to claim 1, characterized in that: The lower end of the bed is provided with movable casters.

5. The device for riveting valve body components of a brake-by-wire system according to claim 1, characterized in that: The riveting punch installation mechanism includes a longitudinal slide, a guide rail for longitudinal movement, a guide device, a platform, a riveting punch and a force sensor, wherein the guide rail responsible for longitudinal movement is arranged behind the longitudinal slide, which is responsible for up and down sliding and guiding. Four guide devices are arranged on the slide plane to ensure the verticality of the press. The lower ends of the four guide devices are connected to the platform for installing the riveting punch to rivet the product. A force sensor is installed at the center of the slide to monitor the size of the press force in real time.

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