A brake disc end runout detection machine for chassis assembly production line

Abstract

The utility model discloses a brake disc end runout detection machine for a chassis assembly production line, belonging to the technical field of automobile chassis production equipment; the utility model comprises an assembly detection station for assembling workpieces, and a flipping lower piece station connected to the end of the assembly detection station and assembled on a production line body; an assembly conveying component capable of conveying workpieces along the conveying path, as well as a positioning clamping component and an end runout detection device are arranged on a transmission path formed in the length direction of the assembly detection station, and the end runout detection device is located on the side of the positioning clamping component away from the assembly conveying component; wherein the production line body is vertically arranged with the transmission path, and the flipping lower piece station is located above the production line body and is equipped with a flipping lower piece device. The utility model realizes that after the wheel hub bearing, brake disc and screw are assembled, the conveying, end runout detection and transfer to the next process are automatically completed, the production rhythm is met, the production efficiency is guaranteed, and mass production is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile chassis production equipment, in particular to a brake disc end jump detection machine used in a chassis assembly production line. Background Art

[0002] The rotating element in the disc brake friction pair is a disc-shaped brake disc, and the end face of the brake disc is the working surface. Currently, when producing a certain vehicle model, the wheel hub bearing and the brake disc need to be assembled with screws. After assembly, they need to be inspected on both sides for end runout. After completing the end runout inspection, they are transferred to the next process for assembly with other components such as the steering knuckle. The traditional assembly and inspection methods of brake discs are manual tightening, transportation, inspection, and circulation, which is time-consuming and labor-intensive, inefficient, and not conducive to mass production. Utility Model Content

[0003] The purpose of the utility model is to overcome the defects of the existing technology and provide a brake disc end runout detection machine for a chassis assembly production line that can automatically complete the transportation, end runout detection and transfer to the next process after the wheel hub bearing, brake disc and screws are assembled.

[0004] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0005] The utility model discloses a brake disc end jump detection machine for a chassis assembly production line, comprising:

[0006] An assembly and inspection station for assembling workpieces, and a flipping and unloading station connected to the end of the assembly and inspection station and assembled on the production line;

[0007] An assembly conveying component capable of conveying workpieces along the conveying path formed in the length direction of the assembly inspection station is arranged, as well as a positioning and clamping component and an end jump detection device, wherein the end jump detection device is located on the side of the positioning and clamping component away from the assembly conveying component;

[0008] The production line body is arranged perpendicular to the conveying path, and the flipping and unloading station is located above the production line body and is equipped with a flipping and unloading device.

[0009] Furthermore, the end jump detection device has a detection drive and counterweight and a detection component arranged below the detection drive and counterweight. The lower part of the detection drive and counterweight contacts the upper part of the workpiece and provides pressure and rotational driving force thereto. The detection component is arranged on one side of the workpiece.

[0010] Furthermore, the end jump detection device includes a bracket, a bracket slide connected to the bracket in a sliding manner, and a cylinder fixedly connected to the top end of the bracket for driving the bracket slide to move;

[0011] The bracket slide is fixedly connected with a motor that drives the detection drive and the counterweight rotation;

[0012] The bracket is located below the detection drive and counterweight and has a workbench, the workbench is fixedly connected to the positioning clamping component, and the bracket is located between the positioning clamping component and the detection drive and counterweight and is fixedly connected to the detection component.

[0013] Furthermore, the detection component has a detection base and a detection support slidably connected to the detection base, and a detection cylinder that drives the detection support to move. The detection support is equipped with an adjustment seat on the side away from the detection cylinder. Sensors for detection are installed at both ends of the adjustment seat, and the sensors contact the workpiece through a contact head.

[0014] Furthermore, the assembly inspection station includes an inspection base, and one side of the inspection base is fixedly connected to the assembly conveying component;

[0015] The assembly conveying component includes a conveying platform, positioning seats fixedly connected to both ends of the conveying platform, and a conveying slide that can slide along the length direction of the conveying platform. The conveying slide is fixedly connected to a U-shaped bracket that can be raised and lowered to facilitate the movement of the conveying slide. The U-shaped bracket picks up the workpiece from the positioning seat at the head end of the conveying platform and transfers it to the positioning seat at the tail end of the conveying platform.

[0016] Furthermore, the turning lower piece device comprises a lower piece moving device arranged above the production line body, an angular alignment driving device arranged below the production line body, and a boom mounted on the lower piece moving device capable of vertically displacing with the production line body;

[0017] The bottom end of the boom is equipped with a turning seat that can hold the workpiece from both sides of the workpiece. The turning seat is driven by a cylinder to rotate and drive the workpiece to turn over and place it on the production line above the angular alignment drive device. The top end of the angular alignment drive device is rotatably equipped with a positioning pin that can be raised and lowered.

[0018] Furthermore, the flipping lower piece device also includes a hanging seat, the lower piece moving device is installed on one side of the hanging seat, the lower part of the hanging seat is slidably connected to the two hanging arms, a guide shaft is connected between the hanging arms, and a pneumatic lock is installed on the guide shaft.

[0019] Furthermore, the lower piece moving device includes a base frame, a movable support slidably connected to the base frame, and a motor installed at the end of the movable support. One side of the movable support is rotatably connected to a screw through an axle seat, and the motor power output shaft is connected to the screw. The movable support is slidably connected to the hanger of the flipping lower piece device through a guide rail on the side away from the screw, and the screw is spirally transmitted to the hanger through a nut.

[0020] Furthermore, the angular alignment drive device has a support plate, which is fixedly connected to the production line body through the support plate. One side of the support plate is slidably connected to a lifting and lowering rotating shaft, and a turntable is installed on the top of the rotating shaft, and the positioning pin is fixedly connected to the turntable.

[0021] Furthermore, the flipping lower part station includes a frame mounted on the production line, the lower part moving device is hoisted on the top of the frame, the production line is installed on the lower part of the frame, and the detection base of the assembly detection station is arranged on one side of the frame.

[0022] In the above technical solution, the utility model provides a brake disc end jump detection machine for a chassis assembly production line, which has the following beneficial effects:

[0023] The utility model designs a brake disc end jump detection machine for a chassis assembly production line, which includes an assembly detection station and a flipping and unloading station. The production line body passes through the flipping and unloading station, and the assembly detection station is arranged on one side of the flipping and unloading station. The assembly detection station is used to assemble and detect the end jump of the workpiece, and the flipping and unloading station is used to complete the unloading and flow to the next station. The transmission path of the assembly detection station is perpendicular to the production line body, and assembly conveying components for transporting workpieces, as well as positioning and clamping components and end jump detection devices are arranged on the transmission path. The workpiece is subjected to end jump detection through the cooperation of the positioning and clamping components and the end jump detection device. After the detection is completed, it is transferred to the unloading position through the assembly conveying component, waiting for the flipping and unloading device on the flipping and unloading station to pick up the component, and the unloading component is placed on the production line body and automatically transmitted to the next station. Through this detection machine, after the workpiece is assembled, it is transferred to the end jump detection position, the unloading position, the unloading transfer, and the transmission are all automatically completed, which has the beneficial effects of meeting the production rhythm, ensuring production efficiency, and facilitating mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0025] Figure 1This is the overall structural diagram of a brake disc end runout detection machine for a chassis assembly production line disclosed in the utility model;

[0026] Figure 2 This is an axonometric view of the assembly and inspection station disclosed in the present utility model;

[0027] Figure 3 This is the main view of the assembly and inspection station disclosed in the utility model;

[0028] Figure 4 This is a left view of the assembly and inspection station disclosed in the utility model;

[0029] Figure 5 This is an axonometric view of the turning down workstation disclosed in the utility model;

[0030] Figure 6 This is the main view of the flipping and unloading station disclosed in the utility model;

[0031] Figure 7 This is a left view of the flipping down workstation disclosed in the utility model;

[0032] Figure 8 It is an axonometric view of the assembly conveying component disclosed in the utility model;

[0033] Figure 9 This is an axonometric view of the assembly conveying component disclosed in the present utility model from another perspective;

[0034] Figure 10 This is a front view of the assembly conveying component disclosed in the utility model;

[0035] Figure 11 It is a top view of the assembly conveying component disclosed in the utility model;

[0036] Figure 12 This is an axonometric diagram of the end jump detection device disclosed in the utility model;

[0037] Figure 13 This is a front view of the end jump detection device disclosed in the utility model;

[0038] Figure 14 This is a left view of the end jump detection device disclosed in the utility model;

[0039] Figure 15 This is a rear view of the end jump detection device disclosed in the utility model;

[0040] Figure 16 It is an axonometric drawing of the detection component disclosed in the present utility model;

[0041] Figure 17 This is a front view of the detection component disclosed in the utility model;

[0042] Figure 18This is a left view of the detection component disclosed in the utility model;

[0043] Figure 19 This is an axonometric drawing of the positioning and clamping component disclosed in the utility model;

[0044] Figure 20 This is a front view of the positioning and clamping component disclosed in the utility model;

[0045] Figure 21 This is the axonometric diagram of the detection drive and counterweight disclosed in the utility model;

[0046] Figure 22 This is the main view of the detection drive and counterweight disclosed in the utility model;

[0047] Figure 23 This is an axonometric diagram of the lower part flipping device disclosed in the utility model;

[0048] Figure 24 This is a front view of the lower piece flipping device disclosed in the utility model;

[0049] Figure 25 This is a left view of the lower part flipping device disclosed in the utility model;

[0050] Figure 26 This is a top view of the lower piece flipping device disclosed in the utility model;

[0051] Figure 27 This is an AA sectional view of the lower part flipping device disclosed in the utility model;

[0052] Figure 28 This is an axonometric diagram of the lower piece moving device disclosed in the utility model;

[0053] Figure 29 This is a front view of the lower piece moving device disclosed in the utility model;

[0054] Figure 30 This is a left view of the lower piece moving device disclosed in the utility model;

[0055] Figure 31 This is an axonometric drawing of the angular alignment drive device disclosed in the utility model;

[0056] Figure 32 This is a front view of the angular alignment drive device disclosed in the utility model;

[0057] Figure 33 It is a left view of the angular alignment drive device disclosed in the utility model.

[0058] Description of reference numerals:

[0059] Assembly and inspection station 100; flipping and unloading station 200;

[0060] Detection base 110;

[0061] Assemble the conveying component 120; the positioning seat 121; the conveying platform 122; the guide rail 1221; the buffer 1222; the conveying slide 123; the rodless cylinder 124; the guide rod cylinder 125; and the U-shaped bracket 126;

[0062] Positioning and clamping component 130; vertical pneumatic chuck 131;

[0063] Detection component 140; detection base 141; guide rail 1411; detection cylinder 142; detection support 143; guide rail 1431; adjustment base 1432; limit pin 1433; mounting bracket 144; contact sensor 1441; rolling contact head 1442;

[0064] Detection drive and counterweight 150; connecting shaft 151; counterweight block 152; positioning pin 153;

[0065] End jump detection device 160; bracket 161; guide rail 1611; buffer 1622; locking cylinder 162; bracket slide 163; servo motor 1631; reducer 1632; coupling 1633; adjustment pin 1634; buffer 1635; cylinder 164; slide 165; limit pin 166;

[0066] Frame 210; support column 211; connecting beam 212;

[0067] Turning lower device 220; hanging seat 221; guide rail 2211; hanging arm 222; guide shaft 2221; guide shaft 2222; linear bearing 2223; air claw 223; turning seat 224; swing cylinder 225; pneumatic lock 226; buffer 227;

[0068] Lower part moving device 230; chassis 231; guide rail 2311; buffer 2312; movable support 232; guide rail 2321; base 2321; cylinder 233; servo motor 234; pulley 235; lead screw 236; nut 2361;

[0069] Angular alignment drive device 240; support plate 241; bracket 242; guide rail 2421; cylinder 243; shaft seat 244; servo motor 245; coupling 2451; rotating shaft 246; turntable 2461; positioning pin 247. DETAILED DESCRIPTION

[0070] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0071] See also Figure 1 As shown;

[0072] The utility model discloses a brake disc end jump detection machine for a chassis assembly production line, comprising:

[0073] An assembly and inspection station 100 for assembling a workpiece 300, and a flipping and unloading station 200 connected to the end of the assembly and inspection station 100 and assembled on a production line body 400;

[0074] The conveying path formed in the longitudinal direction of the assembly inspection station 100 is provided with an assembly conveying component 120 capable of transporting the workpiece 300 along the conveying path, as well as a positioning and clamping component 130 and an end jump detection device 160. The end jump detection device 160 is located on the side of the positioning and clamping component 130 away from the assembly conveying component 120.

[0075] The production line body 400 is vertically arranged to the conveying path, and the flipping and unloading station 200 is located above the production line body 400 and is equipped with a flipping and unloading device 220 .

[0076] Specifically, the inspection machine mainly includes: an assembly inspection station 100 and a flipping and unloading station 200;

[0077] See also Figure 2-7 As shown, the assembly inspection station 100 is used to assemble a workpiece 300, which is a brake disc and a wheel hub bearing assembled with components such as front and rear steering knuckles. The brake disc and the wheel hub bearing are assembled at the head end of the assembly inspection station 100 by bolts, and a conveying path is formed along the length direction of the assembly inspection station 100. The assembly inspection station 100 is provided with an assembly conveying component 120, a positioning and clamping component 130, and an end jump detection device 160 on the conveying path. The end jump detection device 160 is located on the side of the positioning and clamping component 130 away from the assembly conveying component 120. After the workpiece 300 is assembled, the detection component 140 of the end jump detection device 160 performs end jump detection on the workpiece 300.

[0078] The flipping and unloading station 200 includes a flipping and unloading device 220 and an angular alignment drive device 240. The flipping and unloading device 220 is located above the production line body 400, and the angular alignment drive device 240 is located below the production line body 400.

[0079] When assembling the workpiece 300, the brake disc and wheel hub bearing of the workpiece 300 are placed on the positioning seat 121 of the assembly conveying component 120 respectively and the bolts are tightened. After tightening, the workpiece 300 is automatically transported to the positioning clamping component 130 by the assembly conveying component 120. After the workpiece 300 is positioned, the end jump detection device 160 is used to detect the end jump. After the detection is completed, the two workpieces 300 are synchronously transported by the assembly conveying component 120, that is, the first workpiece 300 that has completed the end jump detection is automatically transported to the top of the production line body 400, and the workpiece 300 is transferred and flipped by the flipping device 220. After flipping, it is released on the production line body 400 and corrected in position by the angular alignment drive device 240. After correction, it is transferred to the next process through the production line body 400. The cylinders and motors involved in the detection machine are connected to the external control system, and the actions are realized by the control system control.

[0080] See also Figure 2-4 、12 as shown:

[0081] Preferably, the end jump detection device 160 has a detection drive and counterweight 150 and a detection component 140 arranged below the detection drive and counterweight. The lower part of the detection drive and counterweight 150 contacts the upper part of the workpiece 300 and provides pressure and rotational driving force therefor. The detection component 140 is arranged on one side of the workpiece 300. During detection, the workpiece 300 rotates under the drive of the detection drive and counterweight 150, and the detection component 140 contacts the upper and lower surfaces of the workpiece 300 through the rolling contact head 1442 to perform end jump detection on the workpiece 300.

[0082] The end jump detection device 160 includes a bracket 161 and a bracket slide 163 slidably connected to the bracket 161, and a cylinder fixedly connected to the top of the bracket 161 for driving the bracket slide 163 to move;

[0083] The bracket slide 163 is fixedly connected with a motor for driving the detection drive and rotating the counterweight 150;

[0084] The bracket 161 is located below the detection drive and counterweight 150 and has a workbench, the workbench is fixedly connected to the positioning clamping component 130, and the bracket 161 is located between the positioning clamping component 130 and the detection drive and counterweight 150 and is fixedly connected to the detection component 140.

[0085] Specifically, see Figure 12-15As shown, the bracket 161 provided with the end jump detection device 160 is a frame structure, the bottom end of the bracket 161 is fixedly connected to the detection base 110, and the top end of the bracket 161 is fixedly connected to a cylinder, which is a locking cylinder 162 in the prior art. The side of the bracket 161 is slidably connected to the bracket slide 163 through a guide rail 1611, and the bracket 161 is provided with a buffer 1622 at the end of the guide rail 1611. The piston rod of the locking cylinder 162 is connected to the top end of the bracket slide 163, thereby driving the bracket slide 163 to move vertically along the guide rail through the locking cylinder 162;

[0086] The side of the bracket slide 163 away from the guide rail is fixedly connected to a servo motor 1631. The drive shaft of the servo motor 1631 is connected to a reducer 1632 and a coupling 1633. The coupling 1633 is connected to the connecting shaft 151 of the detection drive and counterweight 150. Figure 21 、 22 As shown, the detection drive and counterweight 150 includes a connecting shaft 151, a counterweight block 152 is mounted on the connecting shaft 151, and a positioning pin 153 is provided at the bottom end of the connecting shaft 151 for cooperating with the shaft hole of the workpiece 300;

[0087] The bracket 161 is located below the bracket slide 163 and is fixedly connected to the detection component 140. The bracket 161 is located below the detection component 140 and has a workbench extending horizontally therefrom. The workbench carries and fixes the positioning and clamping component 130. The positioning and clamping component 130 is a conventional neutral pneumatic chuck 131, and the model number is KL130TQ-3 produced by Bedefu.

[0088] See also Figure 14 、 15 As shown, a cylinder 164 and a guide rail are provided on the side of the bracket 161 away from the bracket slide 163, and a slide 165 is slidably connected to the guide rail. The piston rod of the cylinder 164 is connected to the slide 165, so that the position of the slide 165 is adjusted along the guide rail. Limit pins 166 are installed on both sides of the slide 165 of the bracket slide 163, wherein an adjustment pin 1634 is installed on the bracket slide 163 above the slide 165, and the bottom end of the adjustment pin 1634 contacts the slide 165. Buffers 1635 are installed on both sides of the adjustment pin 1634 of the bracket slide 163.

[0089] See also Figure 2-4 、16 as shown:

[0090] Preferably, the detection component 140 has a detection base 141 and a detection support 143 slidably connected to the detection base 141, and a detection cylinder 142 that drives the detection support 143 to move. The detection support 143 is installed with an adjustment seat 1432 on the side away from the detection cylinder 142. Sensors for detection are installed at both ends of the adjustment seat 1432, and the sensors contact the workpiece 300 through the contact head.

[0091] For details, see Figure 16-18 As shown, the detection base 141 of the detection component 140 is fixedly connected to the bracket 161, and the upper surface of the detection base 141 is slidably connected to the detection support 143 through the guide rail 1411. The detection cylinder 142 is fixedly connected to the detection base 141 at one end of the guide rail 1411 and is connected to the detection support 143 through a piston rod. The detection support 143 is vertically installed with a guide rail 1431, which is slidably connected to the adjustment seat 1432 through the guide rail 1431, and the detection support 143 is installed with limit pins 1433 at both ends of the guide rail 1431. The position of the adjustment seat 1432 on the guide rail 1431 is adjusted by the limit pin 1433. The two ends of the adjustment seat 1432 are fixedly connected with contact sensors 1441 through the mounting bracket 144. The two contact sensors 1441 respectively contact the upper and lower surfaces of the workpiece 300 through the rolling contact head 1442. During detection, the workpiece 300 rotates under the drive of the detection drive and the counterweight 150. The detection component 140 contacts the upper and lower surfaces of the workpiece 300 through the rolling contact head 1442 to realize end jump detection of the workpiece 300.

[0092] See also Figure 2-4 , as shown in 8:

[0093] Preferably, the assembly inspection station 100 includes an inspection base 110 , and an assembly conveying component 120 is fixedly connected to one side of the inspection base 110 ;

[0094] The assembly conveying component 120 includes a conveying platform 122, a positioning seat 121 fixedly connected to both ends of the conveying platform 122, and a conveying slide 123 that can slide along the length direction of the conveying platform 122. The conveying slide 123 is fixedly connected to a U-shaped bracket 126 that can be raised and lowered to facilitate the displacement of the conveying slide 123. The U-shaped bracket 126 extracts the workpiece 300 from the positioning seat 121 at the head end of the conveying platform 122 and transfers it to the positioning seat 121 at the tail end of the conveying platform 122.

[0095] For details, see Figure 8-11 As shown, the bottom end of the conveying platform 122 of the assembled conveying component 120 is fixedly connected to the detection base 110, and the head and tail ends of the conveying platform 122 are fixedly connected with a positioning seat 121, and the workpiece 300 is carried by the positioning seat 121. A guide rail 1221 and a rodless cylinder 124 are installed on one side of the conveying platform 122. It is slidably connected to the conveying slide 123 through the guide rail 1221 and is connected to the conveying slide 123 through the rodless cylinder 124 to drive the conveying slide 123 to move. Buffers 1222 are installed at both ends of the guide rail 1221 of the conveying platform 122. Guide rod cylinders 125 are fixedly connected to both ends of the conveying slide 123. The piston rod of the guide rod cylinder 125 is fixedly connected to the U-shaped bracket 126. The piston rod is telescopic to drive the U-shaped bracket 126 to rise and fall.

[0096] When the second workpiece 300 reaches the position of the positioning clamping component 130, the workpiece 300 that has completed the end jump detection is located on the positioning seat 121 at the tail end of the conveying platform 122, waiting for the flipping device 220 of the flipping workpiece station 200 to be transferred to the production line body 400.

[0097] See also Figure 1 、 5 As shown:

[0098] Preferably, the turning lower piece device 220 comprises a lower piece moving device 230 disposed above the production line body 400, an angular alignment driving device 240 disposed below the production line body 400, and a boom 222 mounted on the lower piece moving device 230 and capable of vertically displacing with the production line body 400;

[0099] A turning seat 224 is installed at the bottom end of the boom 222, which can hold the workpiece 300 from both sides of the workpiece 300. The turning seat 224 is driven by a cylinder to rotate and drive the workpiece 300 to turn and place it on the production line body 400 above the angular alignment drive device 240. A positioning pin 247 that can be raised and lowered is rotatably installed at the top of the angular alignment drive device 240.

[0100] Specifically, in this structure, referring to Figures 5 and 6, the unloading moving device 230 provided with the unloading device 220 of the unloading station 200 is hoisted above the production line body 400 and can be displaced in a direction perpendicular to the production line body 400. The workpiece 300 is picked up from the positioning seat 121 at the tail end of the conveying platform 122 by the hanging plate 222 and transferred to the top of the angular alignment driving device 240. The unloading seat 224 flips the workpiece 300 and then unloads the workpiece and places the workpiece 300 on the angular alignment driving device 240. The workpiece 300 is positioned by the positioning pin 247 of the angular alignment driving device 240 and then transported by the production line body 300 to the next station.

[0101] See also Figure 5-7 、23 as shown:

[0102] Preferably, the flipping lower piece device 220 also includes a hanger 221, the lower piece moving device 230 is installed on one side of the hanger 221, the lower part of the hanger 221 is slidably connected to two hangers 222, a guide shaft 2221 is connected between the hangers 222, and a pneumatic lock 226 is installed on the guide shaft 2221.

[0103] For details, see Figure 23-26 As shown, the flip lower part device 220 is installed on the lower part moving device 230 through the hanging seat 221. Driven by the lower part moving device 230, it moves laterally to transfer the workpiece 300 to the top of the production line body 400. The two ends of the lower surface of the hanging seat 221 are connected to the hanging arm 222 through the guide rail 2211. A guide shaft 2221 is installed in front of the two hanging arms. One end of the guide shaft 2221 is connected to one hanging arm 222. The guide shaft 2221 is installed with a pneumatic lock 226. The pneumatic lock is a pneumatic lock of model 178467-KPE-16 produced by FESTO in the prior art. It is connected to the other hanging arm 222 through the pneumatic lock 226. The hanging seat 221 is located between the two hanging arms 222 and is also equipped with an air claw 223. The air gripper is an SMC air gripper with a model of MHL2-40DZ-M9BL in the prior art. The bottom opposite surfaces of the two arms 222 are respectively installed with a flip seat 224. The arm 222 outside the seat 221 is installed with a swing cylinder 225, which is connected to the flip seat 224 through the swing cylinder 225 to drive the flip seat 224 to pick up the workpiece 300. The arm 222 also includes a guide shaft 2222, one end of which is fixedly connected to the flip seat 224 of the arm 222 inside the seat 221, and the other end is connected to the flip seat 224 at the outer end of the arm 222 through a linear bearing 2223. A buffer 224 is installed on the outer side of the top of the seat 221, and contacts the arm 222 through the buffer 224.

[0104] See also Figure 5-7 、28 as shown:

[0105] Preferably, the lower piece moving device 230 includes a base frame 231, a movable support 232 slidingly connected to the base frame 231, and a motor installed at the end of the movable support 232. One side of the movable support 232 is rotatably connected to a screw 236 through an axle seat, and the motor power output shaft is connected to the screw 236. The side of the movable support 232 away from the screw 236 is slidably connected to the suspension seat 221 of the flipping lower piece device 220 through a guide rail 2311, and the screw 236 is spirally transmitted to the suspension seat 221 through a nut 2361.

[0106] For details, see Figure 6 、 28As shown in FIG-30 , in the flipping and unloading station 200 , the top of the frame 210 is fixedly connected to the bottom frame 231 of the unloading moving device 230 . The bottom of the bottom frame 231 is fixedly connected to a guide rail 2311 and a cylinder 233 . The bottom frame 231 is slidably connected to the movable support 232 through the guide rail 2311 . The piston rod of the cylinder 233 is connected to the movable support 232 to drive the movable support 232 to move along the guide rail. Buffers 2312 are installed on both sides of the guide rail 2311 on the bottom frame 231.

[0107] The side of the movable support 232 is rotatably connected to a lead screw 236 through a shaft seat, and a guide rail 235 is installed at the bottom of the lead screw 236. A base 2321 is installed at the end of the movable support 232. A servo motor 234 is installed on the base 2321. The servo motor 234 and the pulley 235 are driven by a belt to drive the lead screw 236 to rotate. The lead screw 236 and the hanging seat 221 are screw-driven by a nut 2361, so that the hanging seat 221 is vertically displaced along the guide rail 2321 to achieve the purpose of unloading.

[0108] See also Figure 1 、 31 As shown:

[0109] Preferably, the angular alignment drive device 240 has a support plate 241, which is fixedly connected to the production line body 400 through the support plate 241. A rotating shaft 246 that can be raised and lowered is slidably connected to one side of the support plate. A turntable 2461 is installed on the top of the rotating shaft 246, and a positioning pin 247 is fixedly connected to the turntable 2461.

[0110] For details, see Figures 31-33 As shown, the support plate 241 provided in the angular alignment drive device 240 is fixedly connected to the production line body 400, the lower part of the support plate 241 is fixedly connected to the bracket 242 and the cylinder 243, the bracket 242 is fixedly connected to the guide rail 2421, and the shaft seat 244 is slidably connected through the guide rail 2421, the bottom end of the shaft seat 244 is connected to the piston rod of the cylinder 243, and the shaft seat 244 is driven to move up and down along the guide rail 2421 through the cylinder 243, a servo motor 245 is installed at the bottom end of the shaft seat 244, and a rotating shaft 246 is rotatably connected to the top end, the servo motor 245 is connected to the rotating shaft 246 through the coupling 2451, and a turntable 2461 is installed on the top end of the rotating shaft 246, a positioning pin 247 is fixed on the turntable 2461, and a spring is installed on the top end of the rotating shaft 246 to elastically support the turntable 2461 through the spring.

[0111] Preferably, the flipping lower part station 200 includes a frame 210 mounted on the production line body 400, a lower part moving device 230 is hoisted on the top of the frame 210, the frame 210 is located below the lower part of the lower part moving device 230 and the production line body 400 is installed, and the inspection base 110 of the assembly inspection station 100 is arranged on one side of the frame 210.

[0112] For details, see Figure 1 、5 -7, the frame 210 of the flipping and unloading station 200 is a frame structure surrounded by multiple pillars 211 and connecting beams 212. The production line 400 passes through the frame 210. The top of the frame 210 is fixedly connected to the bottom frame 231 of the unloading moving device 230, so that the flipping and unloading device 220 and the unloading moving device 230 are hoisted above the production line 400. The flipping and unloading device 220 and the unloading moving device 230 are linked to transfer the workpiece 300 from the assembly and inspection station 100 to the flipping and unloading station 200.

[0113] In the above technical solution, the utility model provides a brake disc end jump detection machine for a chassis assembly production line, the operation process is as follows:

[0114] 1) Manually place the wheel hub bearing and brake disc, and tighten the screws with a pneumatic torque wrench;

[0115] 2) The assembly conveying component 120 moves the assembly onto the positioning and clamping component 130 via the U-shaped bracket 126, and performs a double-sided runout test via the detection component 140. The system automatically selects whether to load or not;

[0116] 3) After passing the inspection, the assembly is transferred to the positioning seat 121 at the end of the assembly conveyor 120 by the U-shaped bracket 126 of the assembly conveyor 120, and the workpiece 300 is sent to the pickup position of the flipping and unloading station 200. The flipping and unloading device 220 and the unloading moving device 230 of the flipping and unloading station 200 place the workpiece 300 on the production line body 400 and automatically transfer it to the next station, completing one tooling cycle;

[0117] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A brake disc end jump detection machine for a chassis assembly production line, characterized in that: include: An assembly inspection station (100) for assembling workpieces (300), and a flipping and unloading station (200) connected to the end of the assembly inspection station (100) and assembled on a production line body (400); An assembly conveying component (120) capable of conveying a workpiece (300) along the conveying path formed in the length direction of the assembly inspection station (100) is arranged, as well as a positioning clamping component (130) and an end jump detection device (160), wherein the end jump detection device (160) is located on the side of the positioning clamping component (130) away from the assembly conveying component (120); The production line body (400) is arranged perpendicular to the conveying path, and the flipping and lowering workstation (200) is located above the production line body (400) and is equipped with a flipping and lowering device (220).

2. The brake disc end runout detection machine for chassis assembly production line according to claim 1 is characterized in that ； The end jump detection device (160) comprises a detection drive and counterweight (150) and a detection component (140) arranged below the detection drive and counterweight, the lower part of the detection drive and counterweight (150) contacts the upper part of the workpiece (300) and provides pressure and rotational driving force therefor, and the detection component (140) is arranged on one side of the workpiece (300).

3. The brake disc end runout detection machine for chassis assembly production line according to claim 2 is characterized in that ； The end jump detection device (160) comprises a bracket (161) and a bracket slide (163) slidably connected to the bracket (161), and a cylinder fixedly connected to the top of the bracket (161) for driving the bracket slide (163) to move, and a motor for driving the detection drive and counterweight (150) to rotate is fixedly connected to the bracket slide (163); The bracket (161) is located below the detection drive and counterweight (150) and has a workbench, the workbench is fixedly connected to the positioning clamping component (130), and the bracket (161) is located between the positioning clamping component (130) and the detection drive and counterweight (150) and is fixedly connected to the detection component (140).

4. The brake disc end runout detection machine for chassis assembly production line according to claim 2, characterized in that ； The detection component (140) comprises a detection base and a detection support (143) slidably connected to the detection base, and a detection cylinder (142) for driving the detection support (143) to move. An adjustment seat (1432) is installed on the side of the detection support (143) away from the detection cylinder (142). Sensors for detection are installed at both ends of the adjustment seat (1432), and the sensors are in contact with the workpiece (300) through a contact head.

5. The brake disc end runout detection machine for chassis assembly production line according to claim 1, characterized in that ； The assembly inspection station (100) comprises an inspection base, and the assembly conveying component (120) is fixedly connected to one side of the inspection base; The assembly conveying component (120) comprises a conveying platform (122), a positioning seat (121) fixedly connected to both ends of the conveying platform (122), and a conveying slide (123) capable of sliding along the length direction of the conveying platform (122); the conveying slide (123) is fixedly connected to a U-shaped bracket (126) capable of being raised and lowered so as to facilitate the displacement of the conveying slide (123); the U-shaped bracket (126) extracts a workpiece (300) from the positioning seat (121) at the front end of the conveying platform (122) and transfers it to the positioning seat (121) at the rear end of the conveying platform (122).

6. The brake disc end runout detection machine for chassis assembly production line according to claim 1, characterized in that ； The lower piece flipping device (220) comprises a lower piece moving device (230) arranged above the production line body (400), an angular alignment driving device (240) arranged below the production line body (400), and a suspension arm (222) installed on the lower piece moving device (230) and capable of vertically displacing with the production line body (400); A turning seat (224) capable of holding the workpiece (300) from both sides of the workpiece (300) is installed at the bottom end of the suspension arm (222); the turning seat (224) is driven to rotate by a cylinder and drives the workpiece (300) to turn over and place it on the production line body (400) above the angular alignment drive device (240); and a positioning pin (247) capable of being raised and lowered is rotatably installed at the top end of the angular alignment drive device (240).

7. The brake disc end runout detection machine for chassis assembly production line according to claim 6, characterized in that ； The lower part flipping device (220) also includes a hanging seat (221), the lower part moving device (230) is installed on one side of the hanging seat (221), the lower part of the hanging seat (221) is slidably connected to two hanging arms (222), a guide shaft (2221) is connected between the hanging arms (222), and a pneumatic lock (226) is installed on the guide shaft (2221).

8. The brake disc end runout detection machine for chassis assembly production line according to claim 7, characterized in that ； The lower piece moving device (230) comprises a base frame (231), a moving support (232) slidably connected to the base frame (231), and a motor installed at the end of the moving support (232); one side of the moving support (232) is rotatably connected to a lead screw (236) via a shaft seat; the motor power output shaft is connected to the lead screw (236); the side of the moving support (232) away from the lead screw (236) is slidably connected to the suspension seat (221) of the flipping lower piece device (220) via a guide rail (2311); and the lead screw (236) is spirally driven with the suspension seat (221) via a nut (2361).

9. A brake disc end runout detection machine for a chassis assembly production line according to claim 6, It is characterized by: The angular alignment drive device (240) comprises a support plate (241) which is fixedly connected to the production line body (400) via the support plate (241); a rotating shaft (246) capable of being raised and lowered is slidably connected to one side of the support plate (241); a rotating disk (2461) is installed at the top end of the rotating shaft (246); and the positioning pin (247) is fixedly connected to the rotating disk (2461).

10. The brake disc end runout detection machine for chassis assembly production line according to claim 6, characterized in that ； The lower piece flipping station (200) comprises a frame (210) mounted on the production line body (400), the lower piece moving device (230) being suspended at the top of the frame (210), the production line body (400) being installed on the frame (210) below the lower piece moving device (230), and the detection base of the assembly detection station (100) being arranged on one side of the frame (210).

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