Clamping jaw bending manipulator for automobile silencing sheet
By designing an automated conveying, gripping, and bending mechanism, the problem of existing robotic arms being laborious and difficult to control bending force has been solved, achieving efficient automated processing of the sound-absorbing sheet and avoiding claw breakage.
Patent Information
- Application Number
- CN202423167656.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing robotic arms for bending automotive mufflers require manual operation, which is laborious, makes it difficult to control the bending force, leading to jaw breakage, and results in low work efficiency.
A robotic arm comprising a conveying mechanism, a driving mechanism, a gripping mechanism, a moving mechanism, and a bending mechanism was designed. It automatically drives the loading, unloading, and positioning of the noise-reducing sheet, achieving precise control of the bending force and preventing the gripper from breaking.
It improves work efficiency, realizes automated loading and unloading and precise bending of sound-absorbing sheets, avoids chuck breakage, and enhances the convenience and safety of operation.
Smart Images

Figure CN223556962U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile accessory processing, in particular to a kind of automobile sound-absorbing sheet dog claw bending manipulator. BACKGROUND
[0002] Sound-absorbing sheet is largely applied in the brake system of small car and small and medium-sized truck, and most of the product is made of high polymer material with sound-absorbing function and metal plate composite, installed on the back of brake pad on wheel hub caliper, to reduce the noise generated by the friction between brake pad and wheel hub when braking.
[0003] The existing automobile sound-absorbing sheet dog claw bending manipulator, for example, the utility model patent with the application number of 202321792713.7 discloses a workbench for sound-absorbing sheet processing, which mainly comprises a bottom plate, a processing table is arranged on the top of the bottom plate, a sound-absorbing sheet is positioned on the top of the processing table through a positioning mechanism, a lifting plate is driven by a driving mechanism on the top of the bottom plate, a pressure plate is connected to the lifting plate through a buffer mechanism, and a bending punch for bending the dog claw of the sound-absorbing sheet is arranged on the bottom of the pressure plate; when the lifting plate is driven to rise and fall, the pressure plate will be driven downward by the spring, the bending punch will contact the dog of the sound-absorbing sheet, the spring will be compressed and drive the movable rod to move, and when the spring cannot be compressed again, the dog of the sound-absorbing sheet will be bent by the bending punch.
[0004] However, the existing bending device mostly needs manual operation, which is not only laborious but also difficult to control the bending force, and it is easy to cause the dog to break, and the existing bending device mostly needs manual feeding and discharging, which is low in working efficiency. UTILITY MODEL CONTENTS
[0005] To solve the above technical problems, the utility model provides an automobile sound-absorbing sheet dog claw bending manipulator, which not only facilitates feeding and discharging of the sound-absorbing sheet and fixing, improves the working efficiency, but also facilitates controlling the bending force, avoids the dog from breaking.
[0006] The utility model discloses a kind of automobile sound-absorbing sheet dog claw bending manipulator, including conveying mechanism;Still including driving mechanism, grabbing mechanism, moving mechanism and two groups of bending mechanism, driving mechanism is installed on conveying mechanism and drives grabbing mechanism to move, grabbing mechanism is installed on driving mechanism and drives sound-absorbing sheet feeding and positioning, moving mechanism is installed on conveying mechanism and drives two groups of bending mechanism to move, two groups of bending mechanism are all installed on moving mechanism and bend sound-absorbing sheet dog claw;Conveying mechanism drives sound-absorbing sheet feeding, grabbing mechanism clamps sound-absorbing sheet, starts driving mechanism, driving mechanism drives grabbing mechanism to move, grabbing mechanism drives sound-absorbing sheet to fixed position, moving mechanism promotes two groups of bending mechanism to be close to sound-absorbing sheet, facilitate two groups of bending mechanism bending sound-absorbing sheet dog claw, then grabbing mechanism lifts sound-absorbing sheet upwards, moving mechanism drives two groups of bending mechanism to reset, driving mechanism drives grabbing mechanism and sound-absorbing sheet to continue to move and feed.
[0007] Preferably, conveying mechanism includes workbench, feeding conveyor belt, positioning mold and feeding conveyor belt, the bottom end of workbench is connected with ground, feeding conveyor belt is installed on workbench, positioning mold is installed on workbench, and feeding conveyor belt is installed on workbench;Feeding conveyor belt drives sound-absorbing sheet feeding, facilitate grabbing mechanism to grab it, after grabbing mechanism grabs sound-absorbing sheet, it is placed on positioning mold and fixed, when the dog claw of sound-absorbing sheet is bent, grabbing mechanism drives sound-absorbing sheet to move to feeding conveyor belt, and feeding conveyor belt drives sound-absorbing sheet feeding.
[0008] Preferably, driving mechanism includes stepper motor, speed reducer, transmission shaft, screw box, reciprocating screw, two groups of belt pulleys and belt, the bottom end of stepper motor is connected with the top end of workbench, the bottom end of speed reducer is connected with the top end of workbench, transmission shaft is installed on speed reducer, screw box is installed on workbench, reciprocating screw is rotatably installed on screw box, two groups of belt pulleys are respectively installed on transmission shaft and reciprocating screw, and belt is tensioned and installed between two groups of belt pulleys;Start stepper motor, and stepper motor drives transmission shaft to rotate through speed reducer, transmission shaft drives belt pulley rotation connected with it, and belt pulley drives another group of belt pulley and reciprocating screw rotation through belt, and reciprocating screw drives grabbing mechanism to move.
[0009] Preferably, the grabbing mechanism comprises a sliding block, two sets of electric cylinders, a mounting seat, two sets of clamping jaws and two sets of suction cups, the sliding block is slidingly installed on the screw rod box, the top ends of the two sets of electric cylinders are connected with the bottom end of the sliding block, the top end of the mounting seat is connected with the bottom ends of the two sets of electric cylinders, the two sets of clamping jaws are rotatably installed on the mounting seat, and the two sets of suction cups are installed on the mounting seat; when the sliding block moves above the feeding conveyor belt, the two sets of electric cylinders push the mounting seat downward, the two sets of clamping jaws are closed to clamp the sound-absorbing sheet, and the sound-absorbing sheet is located in the middle, then the two sets of electric cylinders continue to push the mounting seat downward to make the two sets of suction cups adsorb the sound-absorbing sheet, after the sliding block moves above the positioning mold, the two sets of electric cylinders push the mounting seat and the sound-absorbing sheet downward, the two sets of clamping jaws are opened, so that the sound-absorbing sheet is conveniently clamped in the positioning mold, and meanwhile, the two sets of electric cylinders push the mounting seat and the two sets of suction cups to press the sound-absorbing sheet downward, so as to avoid the sound-absorbing sheet from being buckled in the process of clamping the clamping jaw; after the clamping jaw of the sound-absorbing sheet is buckled, the two sets of electric cylinders retract to drive the sound-absorbing sheet to rise; and after the sliding block moves above the discharging conveyor belt, the sound-absorbing sheet is placed on the discharging conveyor belt.
[0010] Preferably, the moving mechanism comprises two sets of back plates, two sets of guide rods, a hydraulic cylinder and a moving frame, the two sets of back plates are installed on the workbench, the two guide rods are installed between the two sets of back plates, the hydraulic cylinder is installed on the back plate, and the moving frame is slidingly installed on the two guide rods and connected with the hydraulic cylinder; after the sound-absorbing sheet is placed in the positioning mold, the hydraulic cylinder pushes the moving frame to slide along the two guide rods, so that the two sets of bending mechanisms are close to the sound-absorbing sheet, and the sound-absorbing sheet is conveniently bent by the two sets of bending mechanisms.
[0011] Preferably, the bending mechanism comprises a bracket, a first ear seat, a push plate, a mechanical claw, two sets of second ear seats, an extension rod and a spring, the bracket is installed on the moving frame, the first ear seat is installed on the moving frame, the push plate is rotatably installed on the first ear seat, the mechanical claw is rotatably installed on the push plate, the mechanical claw is provided with an opening, the two sets of second ear seats are respectively installed on the bracket and the mechanical claw, the extension rod is rotatably installed between the two sets of second ear seats, and the spring is sleeved on the extension rod; the moving frame continuously pushes the mechanical claw, so that the clamping jaw of the sound-absorbing sheet is inserted into the opening of the mechanical claw; the moving frame continues to push, and meanwhile, the extension rod and the spring generate a downward pressure on the mechanical claw, so that the mechanical claw rotates to bend the clamping jaw; after the suction cup takes out the clamping jaw from the positioning mold, the two sets of mechanical claws are taken off, and the spring pulls the mechanical claw upward to reset.
[0012] Preferably, the opening of the mechanical claw is pasted with a rubber pad; by arranging the rubber pad, the clamping jaw of the sound-absorbing sheet can be prevented from being scratched, and the stress intensity of the clamping jaw can be reduced, so that the clamping jaw is prevented from being broken due to excessive force.
[0013] The beneficial effects of the utility model compared with prior art are: conveying mechanism drives the sound attenuation piece to load, the grabbing mechanism clamps the sound attenuation piece, the driving mechanism is started, the driving mechanism drives the grabbing mechanism to move, the grabbing mechanism drives the sound attenuation piece to the fixed position, the moving mechanism pushes two groups of bending mechanisms to be close to the sound attenuation piece, it is convenient for two groups of bending mechanisms to bend the sound attenuation piece dog claw, then the grabbing mechanism lifts the sound attenuation piece upward, the moving mechanism drives two groups of bending mechanisms to reset, the driving mechanism drives the grabbing mechanism and the sound attenuation piece to continue to move and unload. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the isometric structure schematic diagram of the utility model;
[0015] Figure 2 It is the section isometric structure schematic diagram of the conveying mechanism and the moving mechanism of the utility model;
[0016] Figure 3 It is the partial enlarged isometric structure schematic diagram of the driving mechanism of the utility model;
[0017] Figure 4 It is the section isometric structure schematic diagram of the grabbing mechanism of the utility model;
[0018] Figure 5 It is the partial enlarged isometric structure schematic diagram of the bending mechanism of the utility model.
[0019] Mark in drawing: 01, conveying mechanism;11, workbench;12, loading conveyor belt;13, positioning mold;14, unloading conveyor belt;02, driving mechanism;21, step motor;22, speed reducer;23, transmission shaft;24, screw box;25, reciprocating screw;26, pulley;27, belt;03, grabbing mechanism;31, sliding block;32, electric cylinder;33, mounting seat;34, clamping jaw;35, suction cup;04, moving mechanism;41, back plate;42, guide rod;43, hydraulic cylinder;44, moving frame;05, bending mechanism;51, support;52, first lug seat;53, push plate;54, mechanical claw;55, second lug seat;56, telescopic rod;57, spring. DETAILED DESCRIPTION
[0020] In order to facilitate understanding the utility model, below will be with reference to relevant drawings more comprehensive description of the utility model.The utility model can be realized in many different forms, and is not limited to the embodiments described herein.Contrarily, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0021] Embodiment 1
[0022] The utility model discloses a kind of automobile sound-absorbing sheet dog clutch bending manipulator, including conveying mechanism 01;Still including driving mechanism 02, grabbing mechanism 03, moving mechanism 04 and two groups of bending mechanism 05, driving mechanism 02 is installed on conveying mechanism 01 and drives grabbing mechanism 03 to move, grabbing mechanism 03 is installed on driving mechanism 02 and drives sound-absorbing sheet feeding and positioning, moving mechanism 04 is installed on conveying mechanism 01 and drives two groups of bending mechanism 05 to move, two groups of bending mechanism 05 are all installed on moving mechanism 04 and bend sound-absorbing sheet dog clutch;Conveying mechanism 01 includes workbench 11, feeding conveyor belt 12, positioning mould 13 and discharging conveyor belt 14, the bottom of workbench 11 is connected with ground, feeding conveyor belt 12 is installed on workbench 11, positioning mould 13 is installed on workbench 11, discharging conveyor belt 14 is installed on workbench 11;Driving mechanism 02 includes stepper motor 21, speed reducer 22, transmission shaft 23, screw box 24, reciprocating screw 25, two groups of belt pulleys 26 and belt 27, the bottom of stepper motor 21 is connected with the top of workbench 11, the bottom of speed reducer 22 is connected with the top of workbench 11, transmission shaft 23 is installed on speed reducer 22, screw box 24 is installed on workbench 11, reciprocating screw 25 is rotatably installed on screw box 24, two groups of belt pulleys 26 are respectively installed on transmission shaft 23 and reciprocating screw 25, and belt 27 is tensioned and installed between two groups of belt pulleys 26;Grabbing mechanism 03 includes sliding block 31, two groups of electric cylinders 32, mounting seat 33, two groups of clamping jaws 34 and two groups of suction cups 35, sliding block 31 is slidably installed on screw box 24, the top of two groups of electric cylinders 32 is connected with the bottom of sliding block 31, the top of mounting seat 33 is connected with the bottom of two groups of electric cylinders 32, two groups of clamping jaws 34 are rotatably installed on mounting seat 33, and two groups of suction cups 35 are installed on mounting seat 33;Moving mechanism 04 includes two groups of back plates 41, two groups of guide rods 42, hydraulic cylinders 43 and moving frame 44, two groups of back plates 41 are all installed on workbench 11, two guide rods 42 are installed between two groups of back plates 41, hydraulic cylinders 43 are installed on back plate 41, and moving frame 44 is slidably installed on two groups of guide rods 42 and is connected with hydraulic cylinders 43.In its work, first, the feeding conveyor belt 12 drives the sound-absorbing sheet feeding, two groups of electric cylinders 32 push the mounting seat 33 downward, two groups of clamping jaws 34 close to clamp the sound-absorbing sheet, and the sound-absorbing sheet is located in the middle, then two groups of electric cylinders 32 continue to push the mounting seat 33 downward to make two groups of suction cups 35 adsorb the sound-absorbing sheet, the stepping motor 21 is started, the stepping motor 21 drives the transmission shaft 23 to rotate through the speed reducer 22, the transmission shaft 23 drives the pulley 26 connected therewith to rotate, the pulley 26 drives another group of pulleys 26 and the reciprocating lead screw 25 to rotate through the belt 27, the reciprocating lead screw 25 drives the grabbing mechanism 03 to move, when the sliding block 31 moves above the positioning mold 13, two groups of electric cylinders 32 push the mounting seat 33 and the sound-absorbing sheet downward, two groups of clamping jaws 34 open, so as to conveniently make the sound-absorbing sheet be clamped in the positioning mold 13, at the same time, two groups of electric cylinders 32 push the mounting seat 33 and two groups of suction cups 35 to press the sound-absorbing sheet downward, so as to avoid the sound-absorbing sheet from being bent up in the process of clamping jaw bending, the hydraulic cylinder 43 pushes the moving frame 44 to slide along two groups of guide rods 42, so as to make two groups of bending mechanisms 05 close to the sound-absorbing sheet, which is convenient for two groups of bending mechanisms 05 to bend the sound-absorbing sheet clamping jaw, when the clamping jaw of the sound-absorbing sheet is bent, two groups of electric cylinders 32 retract to drive the sound-absorbing sheet to rise, when the sliding block 31 moves above the discharging conveyor belt 14, the sound-absorbing sheet is placed on the discharging conveyor belt 14.
[0023] Example 2
[0024] As Figures 1 to 5As shown, the automobile sound attenuation piece claw bending manipulator of the utility model, on the basis of embodiment 1;Bending mechanism 05 includes support 51, first lug 52, push plate 53, mechanical claw 54, two groups of second lug 55, telescopic rod 56 and spring 57, support 51 is installed on moving frame 44, first lug 52 is installed on moving frame 44, push plate 53 is rotatably installed on first lug 52, mechanical claw 54 is rotatably installed on push plate 53, and the opening is formed in mechanical claw 54, two groups of second lug 55 are installed on support 51 and mechanical claw 54 respectively, telescopic rod 56 is rotatably installed between two groups of second lug 55, and spring 57 is sleeved on telescopic rod 56;It further includes that the opening of mechanical claw 54 is pasted with rubber pad;When it works, first, the feeding conveyor belt 12 drives sound attenuation piece feeding, two groups of electric cylinders 32 push down mounting seat 33, two groups of clamping claws 34 close and hold sound attenuation piece, and make sound attenuation piece be located in the middle, then two groups of electric cylinders 32 continue to push down mounting seat 33 and make two groups of suction cups 35 adsorb sound attenuation piece, start stepper motor 21, stepper motor 21 drives transmission shaft 23 to rotate through speed reducer 22, transmission shaft 23 drives the rotation of the pulley 26 connected thereto, the pulley 26 drives another group of pulley 26 and reciprocating screw 25 to rotate through the belt 27, and the reciprocating screw 25 drives the movement of the grabbing mechanism 03, when the sliding block 31 moves to the position above the positioning mold 13, two groups of electric cylinders 32 push down mounting seat 33 and sound attenuation piece, two groups of clamping claws 34 open, the sound attenuation piece is conveniently clamped in the positioning mold 13, and at the same time, two groups of electric cylinders 32 push down mounting seat 33 and two groups of suction cups 35 and press down sound attenuation piece, to avoid the sound attenuation piece claw bending process from being warped, the hydraulic cylinder 43 pushes the moving frame 44 to slide along the two groups of guide rods 42, the moving frame 44 continuously pushes the mechanical claw 54, the claw of the sound attenuation piece is inserted into the opening of the mechanical claw 54, the moving frame 44 continues to push, and the telescopic rod 56 and the spring 57 generate downward pressure on the mechanical claw 54, so that the mechanical claw 54 is rotated and bent, the two groups of bending mechanisms 05 are convenient for bending the sound attenuation piece claw, when the claw of the sound attenuation piece is bent, two groups of electric cylinders 32 are retracted to drive the sound attenuation piece to rise, the spring 57 pulls the mechanical claw 54 upward after the two groups of mechanical claws 54 are removed, and the reciprocating screw 25 drives the sliding block 31 to move above the discharge conveyor belt 14, and then the sound attenuation piece is placed on the discharge conveyor belt 14.
[0025] The stepper motor 21 and the speed reducer 22 of the utility model are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the technical personnel in the field paying creative labor.
[0026] The preferred embodiments of the utility model are described above, and it should be pointed out that for ordinary technical personnel in the technical field, a number of improvements and modifications can be made without departing from the technical principles of the utility model, and these improvements and modifications should also be regarded as the protection scope of the utility model.
Claims
1. A kind of automobile silencing sheet dog claw bending manipulator, including conveying mechanism (01);Its characterized in that, It also includes a drive mechanism (02), a gripping mechanism (03), a moving mechanism (04), and two sets of bending mechanisms (05). The drive mechanism (02) is installed on the conveying mechanism (01) and drives the gripping mechanism (03) to move. The gripping mechanism (03) is installed on the drive mechanism (02) and drives the silencing sheet to be loaded, unloaded, and positioned. The moving mechanism (04) is installed on the conveying mechanism (01) and drives the two sets of bending mechanisms (05) to move. Both sets of bending mechanisms (05) are installed on the moving mechanism (04) and bend the silencing sheet claws.
2. The automobile silencing sheet claw folding robot according to claim 1, wherein The conveying mechanism (01) includes a workbench (11), a feeding conveyor belt (12), a positioning mold (13), and a discharging conveyor belt (14). The bottom end of the workbench (11) is connected to the ground. The feeding conveyor belt (12) is installed on the workbench (11), the positioning mold (13) is installed on the workbench (11), and the discharging conveyor belt (14) is installed on the workbench (11).
3. The automobile silencing sheet claw folding robot according to claim 2, wherein The drive mechanism (02) includes a stepper motor (21), a reducer (22), a drive shaft (23), a lead screw box (24), a reciprocating lead screw (25), two sets of pulleys (26) and a belt (27). The bottom end of the stepper motor (21) is connected to the top end of the worktable (11), the bottom end of the reducer (22) is connected to the top end of the worktable (11), the drive shaft (23) is mounted on the reducer (22), the lead screw box (24) is mounted on the worktable (11), the reciprocating lead screw (25) is rotatably mounted on the lead screw box (24), the two sets of pulleys (26) are respectively mounted on the drive shaft (23) and the reciprocating lead screw (25), and the belt (27) is tensioned between the two sets of pulleys (26).
4. The automobile silencing sheet claw folding robot according to claim 3, wherein The gripping mechanism (03) includes a slider (31), two sets of electric cylinders (32), a mounting base (33), two sets of grippers (34) and two sets of suction cups (35). The slider (31) is slidably mounted on the lead screw box (24). The top of the two sets of electric cylinders (32) is connected to the bottom of the slider (31). The top of the mounting base (33) is connected to the bottom of the two sets of electric cylinders (32). The two sets of grippers (34) are rotatably mounted on the mounting base (33). The two sets of suction cups (35) are mounted on the mounting base (33).
5. The automobile silencing sheet claw folding robot according to claim 2, wherein The moving mechanism (04) includes two sets of back plates (41), two sets of guide rods (42), a hydraulic cylinder (43) and a moving frame (44). Both sets of back plates (41) are mounted on the worktable (11). The two guide rods (42) are mounted between the two sets of back plates (41). The hydraulic cylinder (43) is mounted on the back plate (41). The moving frame (44) is slidably mounted on the two sets of guide rods (42) and connected to the hydraulic cylinder (43).
6. The automobile silencing sheet clamp jaw bending robot according to claim 5, wherein The bending mechanism (05) includes a bracket (51), a first ear seat (52), a push plate (53), a mechanical claw (54), two sets of second ear seats (55), a telescopic rod (56), and a spring (57). The bracket (51) is mounted on the movable frame (44), the first ear seat (52) is mounted on the movable frame (44), the push plate (53) is rotatably mounted on the first ear seat (52), the mechanical claw (54) is rotatably mounted on the push plate (53), the mechanical claw (54) has an opening, the two sets of second ear seats (55) are respectively mounted on the bracket (51) and the mechanical claw (54), the telescopic rod (56) is rotatably mounted between the two sets of second ear seats (55), and the spring (57) is fitted on the telescopic rod (56).
7. The automotive muffler bending manipulator with gripper as described in claim 6, characterized in that, It also includes rubber pads pasted at the opening of the mechanical claw (54).
Citation Information
Patent Citations
Workbench for processing silencing sheet
CN220387533U