A brake pad assembly system

Abstract

The present invention discloses a brake pad assembly system. A supporting seat for positioning the brake pad carrier is provided on the conveyor line. The brake pad carrier supply device and the brake pad supply device are located beside the conveyor line. The first robotic arm can transfer the brake pad carrier on the brake pad carrier supply device to the supporting seat at the first station of the conveyor line. The first robotic arm can place the brake pads on the brake pad supply device onto the loading machine. When the brake pad carrier is transferred from the first station to the second station, the loading machine laterally presses the brake pads into the brake pad carrier, so that the dovetail blocks on the brake pads are inserted into and cooperate with the dovetail grooves on the brake pad carrier to complete the assembly. The entire workpiece formed after the assembly continues to be conveyed by the conveyor belt to subsequent stations. The second robotic arm is arranged beside the third station of the conveyor line and can remove the assembled workpiece from the conveyor line. The system sets corresponding structures at different stations of the conveyor line to realize the picking, placing and assembly of the brake pads and the brake pad carrier, automatically complete the installation, and do not require manual assistance.

Description

Technical Field

[0001] The present invention relates to the technical field of braking devices, and more particularly to a brake pad assembly system. Background Art

[0002] The brake pad structure includes two parts: a brake pad and a brake pad carrier. The brake pad contacts and rubs against the brake disc during braking, resulting in wear. After excessive wear, it needs to be replaced. Most of the assembly of bus brake pads and brake pad carriers is carried out manually or with some simple tooling. During manual assembly, the assembly quality of the product is highly variable and difficult to control, and there are problems such as laborious installation, time-consuming, and repeated installation. When using simple tooling for installation, since the speed is not easily controlled, it is easy to cause extrusion damage to the brake pad, and the assembly is not easy to control, with a slow speed and low efficiency.

[0003] For those skilled in the art, how to automate the installation of the brake pad and the brake pad carrier is a technical problem that needs to be solved currently. Summary of the Invention

[0004] The present invention provides a brake pad assembly system that can automate the installation of the brake pad and improve the assembly efficiency. The specific solution is as follows:

[0005] A brake pad assembly system includes a brake pad carrier supply device for supplying brake pad carriers, a brake pad supply device for supplying brake pads, a conveyor line, a first robotic arm, a loading machine, and a second robotic arm;

[0006] A supporting seat for positioning the brake pad carrier is provided on the conveyor line;

[0007] The first robotic arm can transfer the brake pad carrier on the brake pad carrier supply device to the supporting seat at the first station of the conveyor line;

[0008] The first robotic arm can place the brake pad on the brake pad supply device onto the loading machine. When the brake pad carrier is transferred from the first station to the second station, the loading machine laterally presses the brake pad into the brake pad carrier, so that the dovetail block on the brake pad cooperates with the dovetail groove on the brake pad carrier for insertion;

[0009] The second robotic arm is arranged beside the third station of the conveyor line and can remove the assembled workpiece from the conveyor line.

[0010] Optionally, the loading machine includes a loading and tightening device and a pneumatic hammer. The loading and tightening device can laterally extend to tightly limit the brake pad carrier, and the pneumatic hammer can laterally apply an impact force to the brake pad.

[0011] Optionally, the loading machine includes a guiding groove for guiding the dovetail block of the brake pad, and brake pad guiding wheels are arranged on both sides of the guiding groove. The brake pad guiding wheels are used to contact and guide both sides of the dovetail block of the brake pad.

[0012] Optionally, the tablet mounting machine includes a milling cutter for milling the dovetail groove on the brake pad carrier, and the milling cutter is guided by a milling cutter guide wheel to move laterally;

[0013] The milling cutter and the pneumatic hammer are driven to translate by the same cylinder.

[0014] Optionally, elastic retaining rings are respectively arranged between the brake pad guide wheel and the rotating shaft, and between the milling cutter guide wheel and the rotating shaft.

[0015] Optionally, a seam measuring device is arranged at the third station of the conveyor line. The seam measuring device includes a seam measuring base frame, a seam measuring cantilever is rotatably arranged on the seam measuring base frame, a feeler gauge is installed on the seam measuring cantilever, and the feeler gauge measures the gap of the workpiece at the third station; when the workpiece is transferred to the fourth station, it is taken out by the second robotic arm;

[0016] A detection and clamping device is arranged at the third station of the conveyor line, and the detection and clamping device can horizontally extend to clamp and position the brake pad carrier.

[0017] Optionally, a negative pressure suspension is installed on the seam measuring base frame, a suction cup is arranged on the negative pressure suspension, and the suction cup can move vertically to pull the brake pad upward;

[0018] The seam measuring cantilever is arc-shaped for avoiding the air pipe connected to the suction cup.

[0019] Optionally, a lifting spring is arranged between the negative pressure suspension and the seam measuring base frame, and the lifting spring can apply an upward elastic force to the negative pressure suspension.

[0020] Optionally, the conveyor line is a turntable, and the first robotic arm, the tablet mounting machine, and the second robotic arm are respectively arranged on the outer periphery of the turntable.

[0021] Optionally, a conical positioning pin is arranged on the supporting seat of the conveyor line for being inserted into the positioning hole on the brake pad carrier.

[0022] The present invention provides a brake pad assembly system, which includes a brake pad carrier supply device for supplying brake pad carriers, a brake pad supply device for supplying brake pads, a conveyor line, a first robotic arm, a loading machine, a second robotic arm and other structures. Among them, a supporting seat for positioning the brake pad carrier is provided on the conveyor line, and the conveyor line can drive the brake pad carrier to move to different workstations. The brake pad carrier supply device and the brake pad supply device are located beside the conveyor line. The first robotic arm can transfer the brake pad carrier on the brake pad carrier supply device to the supporting seat at the first workstation of the conveyor line, and the first robotic arm can place the brake pad on the brake pad supply device onto the loading machine. When the brake pad carrier is transferred from the first workstation to the second workstation, the loading machine laterally presses the brake pad into the brake pad carrier, so that the dovetail blocks on the brake pad are inserted into the dovetail grooves on the brake pad carrier to complete the assembly. After the assembly is completed, the entire workpiece formed continues to be conveyed by the conveyor belt to subsequent workstations. The second robotic arm is arranged beside the third workstation of the conveyor line and can remove the assembled workpiece from the conveyor line; corresponding structures are arranged at different workstations of the conveyor line in this system to realize the picking, placing and assembly of the brake pad and the brake pad carrier, automatically complete the installation, and do not require manual assistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0024] Figure 1A Isometric structural diagram of the brake pad assembly system provided by the present invention;

[0025] Figure 1B And Figure 1C Are respectively the front view and top view of the brake pad assembly system provided by the present invention;

[0026] Figure 2A Isometric schematic diagram of part of the structure of the brake pad assembly system of the present invention;

[0027] Figure 2B And Figure 2C Are respectively Figure 2A The front view and top view of the corresponding structure,

[0028] Figure 3A Isometric schematic diagram of the loading machine;

[0029] Figure 3B And Figure 3C Are respectively the front sectional view and top view of the loading machine;

[0030] Figure 4A Isometric drawing of the overall structure of the gap measuring device;

[0031] Figure 4B It is a schematic structural diagram of the joint measuring seat frame;

[0032] Figure 4C It is a schematic structural diagram of the feeler gauge;

[0033] Figure 4D It is a schematic structural diagram of the negative pressure suspension;

[0034] Figure 4E It is a structural diagram of the joint measuring cantilever;

[0035] Figure 5 It is a schematic structural diagram of the detection and clamping device;

[0036] Figure 6A It is an axonometric drawing of the supporting seat;

[0037] Figure 6B It is a front elevation sectional view of the supporting seat.

[0038] The figure includes:

[0039] The brake pad carrier supply device 1, the brake pad supply device 2, the conveyor line 3, the supporting seat 31, the positioning pin 32, the first robotic arm 4, the loading machine 5, the clamping device 51, the pneumatic hammer 52, the brake pad guide wheel 53, the milling cutter 54, the milling cutter guide wheel 55, the second robotic arm 6, the joint measuring device 7, the joint measuring seat frame 71, the joint measuring cantilever 72, the feeler gauge 73, the detection and clamping device 74, the negative pressure suspension 75, and the suction cup 76. Specific embodiments

[0040] The present invention provides a brake pad assembly system, which can automatically complete the installation of brake pads and improve the assembly efficiency.

[0041] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the brake pad assembly system of the present invention will be introduced and described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0042] As Figure 1A shown, it is an axonometric structural diagram of the brake pad assembly system provided by the present invention; Figure 1B And Figure 1C are respectively the front view and top view of the brake pad assembly system provided by the present invention; the brake pad assembly system of the present invention includes a brake pad carrier supply device 1 for supplying brake pad carriers, a brake pad supply device 2 for supplying brake pads, a conveyor line 3, a first robotic arm 4, a loading machine 5, and a second robotic arm 6; the brake pad carrier supply device 1 and the brake pad supply device 2 can adopt the form of static batch storage or the form of dynamic conveying such as a conveyor belt.

[0043] The conveying line 3 is provided with a supporting seat 31 for positioning the brake pad carrier. The supporting seat 31 is used to carry the brake pad carrier, keep the brake pad carrier at a specific position on the conveying line 3, and drive the brake pad carrier to different positions along the conveying line 3. The conveying line 3 includes multiple different workstations, and corresponding operations are performed at each workstation. The brake pad carrier starts from the first workstation and passes through each workstation successively.

[0044] The first robotic arm 4 can transfer the brake pad carrier on the brake pad carrier supply device 1 to the supporting seat 31 at the first workstation of the conveying line 3. The first robotic arm 4 plays the role of transferring and placing, and moves the brake pad and the brake pad carrier by means of clamping or suction cup suction. The supporting seat 31 is in an empty state at the first workstation, and the first robotic arm 4 transfers the brake pad carrier from the brake pad carrier supply device 1 to the supporting seat 31.

[0045] The first robotic arm 4 can place the brake pads on the brake pad supply device 2 onto the film loading machine 5. The film loading machine 5 is located at the second workstation. When the brake pad carrier moves from the first workstation to the second workstation, it stops moving. The film loading machine 5 laterally presses the brake pads into the brake pad carrier, so that the dovetail blocks on the brake pads are inserted into and cooperate with the dovetail grooves on the brake pad carrier; as Figure 2A shown, it is an isometric schematic diagram of a partial structure of the brake pad assembly system of the present invention; Figure 2B and Figure 2C are respectively Figure 2A the front view and the top view of the corresponding structure. In the figure, A represents the brake pad carrier and B represents the brake pad. The length direction of the dovetail groove on the brake pad carrier is consistent with the pressing direction of the film loading machine 5, and when the brake pad carrier stops, it is exactly opposite to the brake pad, and the brake pad can be exactly inserted into the brake pad carrier when it moves. One brake pad carrier corresponds to the installation of two brake pads, and the first robotic arm 4 places the brake pads on the film loading machine 5 in two times.

[0046] The second robotic arm 6 is arranged beside the third workstation of the conveying line 3 and can move the assembled workpiece out of the conveying line 3. The brake pad and the brake pad carrier are assembled with interference fit through the mutual cooperation of the dovetail block and the dovetail groove. After the installation is completed at the second workstation, it continues to be conveyed backward, and after stopping at the subsequent workstation, the second robotic arm 6 takes out the workpiece formed by the assembly of the brake pad and the brake pad carrier.

[0047] The brake pad assembly system of the present invention sets corresponding structures at different workstations of the conveying line to realize the picking, placing and assembly of the brake pads and the brake pad carrier, automatically complete the installation without the need of manual assistance, and can greatly improve the operation efficiency of brake pad installation.

[0048] On the basis of the above solution, the film loading machine 5 of the present invention includes a film loading and pressing device 51 and a pneumatic hammer 52. As Figure 3A shown, it is an isometric schematic diagram of the film loading machine 5; Figure 3B and Figure 3CThe front elevation sectional view and the top view of the sheet loader 5 respectively; the sheet loading and pressing device 51 can horizontally extend to press and limit the brake pad carrier, and a thimble is arranged at the position of the front end of the pressing device 51 facing the brake pad. Figure 3A Two thimbles are arranged in it for inserting and installing with the positioning holes on the brake pad; combined Figure 3B As shown, the sheet loader 5 includes two cylinders C. The lower cylinder drives the pressing device 51 to move horizontally, so that the thimble at the front part of the pressing device 51 contacts and presses the brake pad carrier.

[0049] The pneumatic hammer 52 can horizontally apply an impact force to the brake pad. The pneumatic hammer 52 can horizontally apply an impact force to the brake pad and install the brake pad into the corresponding brake pad carrier. The pneumatic hammer 52 is driven by the upper cylinder to move horizontally to adjust its position. After reaching the position, the pneumatic hammer 52 starts to work and applies an impact force to the brake pad.

[0050] The sheet loader 5 includes a guide groove for guiding the dovetail block of the brake pad. The first robotic arm 4 places the brake pad into the guide groove. Brake pad guide wheels 53 are arranged on both sides of the guide groove. The brake pad guide wheels 53 are used to contact and guide both sides of the dovetail block of the brake pad. When the pneumatic hammer 52 impacts the brake pad forward, it plays a guiding role for the brake pad through the brake pad guide wheels 53, so that the brake pad is just inserted into the dovetail groove of the brake pad carrier correctly.

[0051] The sheet loader 5 includes a milling cutter 54 for milling the dovetail groove on the brake pad carrier. The milling cutter 54 is guided by a milling cutter guide wheel 55 to move horizontally. The milling cutter 54 is driven by a cylinder to move horizontally and can just enter the dovetail groove of the brake pad carrier to clean the inner wall of the dovetail groove. The milling cutter 54 and the pneumatic hammer 52 are driven by the same cylinder to move horizontally. The cylinder drives the tool holder of the milling cutter to move, and the milling cutter 54 and the pneumatic hammer 52 work through different horizontal displacement amounts. The milling cutter 54 needs to move forward a larger distance when working.

[0052] Elastic circlips are respectively arranged between the brake pad guide wheel 53 and the rotating shaft, and between the milling cutter guide wheel 55 and the rotating shaft to reduce the impact on the shaft by the elastic circlips.

[0053] On the basis of any of the above technical solutions and their combinations, the present invention sets a seam measuring device 7 at the third station of the conveyor line 3, as Figure 4A shown, it is the axonometric view of the overall structure of the seam measuring device; the seam measuring device 7 includes structures such as a seam measuring base frame 71, a seam measuring cantilever 72, a feeler gauge 73, a detection pressing device 74, etc.; as Figure 4BThe figure is a schematic diagram of the structure of the joint measuring frame 71. The joint measuring frame 71 provides support and is installed on the base of the conveyor line. The joint measuring cantilever 72 is rotatably arranged on the joint measuring frame 71. The rotating shaft of the joint measuring cantilever 72 is arranged vertically, and the joint measuring cantilever 72 can rotate in the horizontal direction. A spring is mounted on the rotating shaft of the joint measuring cantilever 72. The top end of the spring contacts the joint measuring cantilever 72, and the bottom end contacts the joint measuring frame 71. The spring applies an upward elastic force to the joint measuring cantilever 72, so that the joint measuring cantilever 72 remains in a tight state.

[0054] There is no driving device at the rotating shaft of the gap measuring cantilever 72 shown in the drawings of the present application. The gap measuring cantilever 72 is driven by the second mechanical arm 6 to rotate to different angles to measure the gap between the installed gate pad and the gate pad support. Several different points can be selected during the measurement to ensure the detection accuracy.

[0055] A feeler gauge 73 is mounted on the joint measuring cantilever 72, and the feeler gauge 73 measures the gap of the workpiece at the third station. Figure 4C The figure is a schematic diagram of the structure of the feeler gauge 73; the outer shell of the feeler gauge 73 is installed on the gap measuring cantilever 72, and the measuring part of the feeler gauge can be smoothly telescopically moved and correspondingly inserted into the gap between the gate piece and the gate piece support to detect whether the working gap size meets the requirements.

[0056] When the workpiece is transferred to the fourth station, it is taken out by the second robot arm 6. The entire conveyor line is provided with four stations. The assembly is completed at the second station, the gap is detected at the third station, and the workpiece is taken out when it reaches the fourth station.

[0057] A detection and tightening device 74 is provided at the third station of the conveyor line 3, and the detection and tightening device 74 can extend laterally to extend the tightening and positioning gate plate support; Figure 5 The figure shows the structure of the detection and tightening device 74. The detection and tightening device 74 has a pin disposed toward the front end of the gate piece, which can be inserted into the positioning hole on the gate piece support to limit the gate piece support. The detection and tightening device 74 includes a cylinder, which drives the pin to move horizontally and retract.

[0058] Preferably, the present invention installs a negative pressure suspension 75 on the joint measuring frame 71, such as Figure 4D As shown, it is a schematic diagram of the structure of the negative pressure suspension 75; a suction cup 76 is arranged on the negative pressure suspension 75, and the suction cup 76 can move vertically to pull the gate piece upward. The gate piece is pulled upward by the suction cup 76, so that the gap between the gate piece and the gate piece support is increased, the detection standard is improved, and the assembly quality of the workpiece is further improved.

[0059] like Figure 4E As shown, it is a structural diagram of the seam measuring cantilever 72; since the suction cup 76 needs to be connected to the air pipe, the negative pressure suspension 75 is located below the seam measuring cantilever 72, so the seam measuring cantilever 72 in the present invention is arc-shaped to avoid the air pipe connected to the suction cup 76.

[0060] Preferably, a jacking spring 77 is arranged between the negative pressure suspension 75 and the seam measuring seat frame 71 in the present invention. The jacking spring 77 can apply an upward elastic force to the negative pressure suspension 75. The negative pressure suspension 75 can move vertically relative to the seam measuring seat frame 71 within a certain range. Due to the arrangement of the jacking spring 77, when the suction cup 76 releases adsorption, it quickly moves upward under the elastic force of the jacking spring 77 and quickly separates from the brake pad.

[0061] Specifically, in the present invention, the conveyor line 3 is a turntable. The first robotic arm 4, the sheet loader 5, and the second robotic arm 6 are respectively arranged on the outer periphery of the turntable. The first robotic arm 4 is arranged between the first station and the second station. The sheet loader 5 is located at the second station. The second robotic arm 6 is arranged between the third station and the fourth station.

[0062] As Figure 6A shown, it is an isometric view of the support seat 31; Figure 6B It is a front elevation sectional view of the support seat 31; A conical positioning pin 32 is arranged on the support seat 31 of the conveyor line 3 for being inserted into a positioning hole on the brake pad carrier. The orientation of the positioning pin 32 is opposite to the orientation of the ejector pins at the second station and the third station. The same cooperation jointly plays a role in limiting the brake pad carrier.

[0063] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A brake pad assembly system, characterized in that, It includes a brake pad carrier supply device (1) for supplying brake pad carriers, a brake pad supply device (2) for supplying brake pads, a conveyor line (3), a first robotic arm (4), a loading machine (5), and a second robotic arm (6); A supporting seat (31) for positioning the brake pad carrier is provided on the conveyor line (3); The first robotic arm (4) can transfer the brake pad carrier on the brake pad carrier supply device (1) to the supporting seat (31) at the first station of the conveyor line (3); The first robotic arm (4) can place the brake pad on the brake pad supply device (2) onto the loading machine (5). When the brake pad carrier is transferred from the first station to the second station, the loading machine (5) laterally presses the brake pad into the brake pad carrier, so that the dovetail block on the brake pad and the dovetail groove on the brake pad carrier are fitted and inserted with each other; The second robotic arm (6) is arranged beside the third station of the conveyor line (3) and can remove the assembled workpiece from the conveyor line (3); The loading machine (5) includes a loading pressing device (51) and a pneumatic hammer (52). The loading pressing device (51) can horizontally extend to press and limit the brake pad carrier, and the pneumatic hammer (52) can horizontally apply an impact force to the brake pad; The loading machine (5) includes a milling cutter (54) for milling the dovetail groove on the brake pad carrier. The milling cutter (54) is guided by a milling cutter guide wheel (55) to move horizontally; The milling cutter (54) and the pneumatic hammer (52) are driven to translate by the same cylinder; A seam measuring device (7) is arranged at the third station of the conveyor line (3). The seam measuring device (7) includes a seam measuring seat frame (71). A seam measuring cantilever (72) is rotatably arranged on the seam measuring seat frame (71). A feeler gauge (73) is installed on the seam measuring cantilever (72). The feeler gauge (73) measures the gap of the workpiece at the third station; When the workpiece is transferred to the fourth station, it is taken out by the second robotic arm (6); A detection pressing device (74) is arranged at the third station of the conveyor line (3). The detection pressing device (74) can horizontally extend to press and position the brake pad carrier; A negative pressure suspension (75) is installed on the seam measuring seat frame (71). A suction cup (76) is arranged on the negative pressure suspension (75). The suction cup (76) can move vertically to pull the brake pad upward; The seam measuring cantilever (72) is arc-shaped to avoid the air pipe connected to the suction cup (76).

2. The brake pad assembly system according to claim 1, characterized in that, The loading machine (5) includes a guide groove for guiding the dovetail block of the brake pad. Brake pad guide wheels (53) are arranged on both sides of the guide groove. The brake pad guide wheels (53) are used to contact and guide both sides of the dovetail block of the brake pad.

3. The brake pad assembly system according to claim 2, wherein Elastic retaining rings are respectively arranged between the brake pad guide wheel (53) and the rotating shaft, and between the milling cutter guide wheel (55) and the rotating shaft.

4. The brake pad assembly system according to claim 1, characterized in that, A lifting spring (77) is arranged between the negative pressure suspension (75) and the seam measuring seat frame (71). The lifting spring (77) can apply an upward elastic force to the negative pressure suspension (75).

5. The brake pad assembly system according to claim 1, wherein, The conveyor line (3) is a turntable. The first robotic arm (4), the loading machine (5), and the second robotic arm (6) are respectively arranged on the outer periphery of the turntable.

6. The brake pad assembly system according to claim 1, characterized in that, The conical positioning pin (32) on the support seat (31) of the conveyor line (3) is used for being inserted into the positioning hole on the brake pad carrier in an interlocking manner.

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