CN219465183U

CN219465183U - Welding mechanical arm for automobile seat

Info

Publication number: CN219465183U
Application number: CN202223593582.8U
Authority: CN
Inventors: 姜浩; 王诚林; 陈艺
Original assignee: Jiangsu Huichen Intelligent Technology Co ltd
Current assignee: Jiangsu Huichen Intelligent Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-08-04
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a welding mechanical arm for an automobile seat, which relates to the technical field of automobile seats and comprises a mounting seat, a first motor, a connecting plate, a clamping block, a second motor, a first fluted disc, a fixing rod and a second fluted disc, wherein an output shaft of the second motor is fixedly connected with a first power assembly for driving the mounting seat to swing up and down, and one end of the first power assembly, which is far away from the second motor, is provided with a second power assembly for driving the mounting seat to swing left and right. According to the utility model, through the matching arrangement among the second motor, the first power assembly and the second power assembly, the adjusting angle range of the clamping block is larger, the adjusting angle direction is more, and the application range of the device is wider.

Description

Welding mechanical arm for automobile seat

Technical Field

The utility model relates to the technical field of automobile seats, in particular to a welding mechanical arm for an automobile seat.

Background

The mechanical arm is a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity and strong coupling, is widely applied to the fields of industrial assembly, safety explosion prevention and the like due to the unique operation flexibility, and is a complex system, and uncertainty such as parameter perturbation, external interference, unmodeled dynamics and the like exists, so that uncertainty exists in a modeling model of the mechanical arm, and for different tasks, a motion track of a joint space of the mechanical arm needs to be planned, so that the mechanical arm needs to be used for supporting and clamping a framework when the framework of the automobile seat is welded.

The utility model discloses a be used for car seat skeleton welded arm in application number 202123224684.8, including the mount pad, the inside servo motor that is provided with of mount pad, the servo motor bottom is provided with the connecting plate, and the servo motor output is provided with adjustment mechanism, including first fluted disc, dead lever and second fluted disc, and intermesh between first fluted disc and the second fluted disc. Although the clamping operation is adjusted by controlling the rotation angle of the clamping block, the mechanical arm for welding the automobile seat framework is limited in the adjustment angle of the clamping block and small in application range.

Therefore, it is necessary to provide a welding robot arm for a car seat to solve the above-mentioned problems.

Disclosure of Invention

(one) solving the technical problems

The utility model aims at: in order to solve the problems that an adjusting angle of a clamping block is limited and an application range is small for a mechanical arm for welding an automobile seat framework, the utility model provides the welding mechanical arm for an automobile seat.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a welding arm for car seat, includes mount pad, first motor, connecting plate, grip block, second motor, first fluted disc, dead lever and second fluted disc, the output shaft fixedly connected with of second motor is used for driving the first power component of mount pad luffing motion, the one end that the second motor was kept away from to first power component is provided with the second power component that is used for driving the mount pad luffing motion.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the matching arrangement among the second motor, the first power assembly and the second power assembly, the adjusting angle range of the clamping block is larger, the adjusting angle direction is more, and the application range of the device is wider.

Further, the first power component comprises a semi-annular plate with the outer peripheral surface fixedly connected with a second arc-shaped rack, a mounting shaft, a U-shaped rod, a fourth motor, a speed reducer and a second gear, wherein the mounting shaft is rotationally connected to the circle center of the semi-annular plate, the end part of the mounting shaft is rotationally connected to the end part of a longitudinal rod of the U-shaped rod, a transverse plate of the U-shaped rod is fixedly connected to an output shaft of the second motor, the speed reducer is fixedly connected to one side of the U-shaped rod, the fourth motor is fixedly connected to the outer side of the speed reducer, the output shaft of the fourth motor is fixedly connected to an input shaft of the speed reducer, the second gear is fixedly connected to an output shaft of the speed reducer, and the second gear is meshed with the second arc-shaped rack.

Further, the second power component comprises an arc plate, a U-shaped block, a third motor and a first gear, wherein the middle part of the inner side surface of the arc plate is fixedly connected with a first arc rack, the end part of the mounting shaft is rotationally connected with the end part of the longitudinal rod of the U-shaped rod, the transverse plate of the U-shaped block is fixedly connected with the straight edge of the semi-ring plate, an arc through groove for enabling the arc plate to slide back and forth is formed in the transverse plate of the U-shaped block, the end part of the arc plate is fixedly connected with the end part of the mounting seat, the third motor) is fixedly connected with the upper end of the U-shaped block, and the first gear is fixedly connected with the output shaft of the third motor and is meshed and connected with the first arc rack.

Further, the upper end and the lower end of the arc-shaped plate and the upper end and the lower end of the first arc-shaped rack are provided with a matching space, so that the upper end and the lower end of the arc-shaped plate are in sliding connection in the arc-shaped through groove.

Further, the speed reducer is a worm gear speed reducer.

In summary, the angle range of the adjustable clamping block is wider.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a schematic perspective cross-sectional view of the structure of the present utility model;

fig. 3 is a perspective view showing the structure of the connection at the first power unit in the present utility model.

Reference numerals: 1. a mounting base; 2. a first motor; 3. a connecting plate; 4. a clamping block; 5. a second motor; 6. a first toothed disc; 7. a fixed rod; 8. a second toothed disc; 9. a mounting block; 10. a screw; 11. an arc-shaped plate; 12. a first arcuate rack; 13. a U-shaped block; 14. arc through grooves; 15. a third motor; 16. a first gear; 17. a semi-annular plate; 18. a second arcuate rack; 19. a mounting shaft; 20. a U-shaped rod; 21. a fourth motor; 22. a speed reducer; 23. and a second gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a welding mechanical arm for an automobile seat comprises a mounting seat 1, a first motor 2, a connecting plate 3, a clamping block 4, a second motor 5, a first fluted disc 6, a fixing rod 7 and a second fluted disc 8, wherein the mounting mode and the connection relation of the structure refer to patent application numbers: CN202123224684.8 discloses a connection and installation mode of a structure in a mechanical arm for welding an automobile seat framework, wherein an output shaft of a second motor 5 is fixedly connected with a first power component for driving a mounting seat 1 to swing up and down, and one end of the first power component, which is far away from the second motor 5, is provided with a second power component for driving the mounting seat 1 to swing left and right

In this embodiment, through the cooperation setting between second motor, first power component and the second power component, can make the angle of adjustment scope to the grip block bigger, angle of adjustment direction is more for this device's application scope is wider, when actually installing, need the fixed unchangeable with the position of second motor 5, and the upper and lower left and right sides end of grip block 4 all leaves sufficient space and supplies first power component and second power component drive.

Specifically, the first power assembly includes a half ring plate 17 with a second arc rack 18 fixedly connected to the outer peripheral surface, a mounting shaft 19 rotatably connected to the center of the half ring plate 17, a U-shaped rod 20, a fourth motor 21, a speed reducer 22 and a second gear 23, wherein the U-shaped rod 20 is composed of a transverse plate and two longitudinal rods, the end part of the mounting shaft 19 is rotatably connected to the end part of the longitudinal rod of the U-shaped rod 20, the transverse plate of the U-shaped rod 20 is fixedly connected to the output shaft of the second motor 5, the speed reducer 22 is fixedly connected to one side of the U-shaped rod 20, the fourth motor 21 is fixedly connected to the outer side of the speed reducer 22, the output shaft of the fourth motor 21 is fixedly connected to the input shaft of the speed reducer 22, the second gear 23 is fixedly connected to the output shaft of the speed reducer 22, the second gear 23 is meshed with the second arc rack 18, the mounting shaft 19 is located at the center of the joint of the half ring plate 17 and the U-shaped block 13, and the second gear 23 is located in the middle of the U-shaped rod 20, so that the amplitude of the up-down swing of the second arc rack 18 is consistent.

Specifically, the second power component comprises an arc-shaped plate 11, a U-shaped block 13, a third motor 15 and a first gear 16, wherein the middle part of the inner side surface of the arc-shaped plate is fixedly connected with a first arc-shaped rack 12, the U-shaped block 13 is divided into a transverse plate and two longitudinal rods, the transverse plate of the U-shaped block 13 is fixedly connected to the straight edge of a semi-ring plate 17, an arc-shaped through groove 14 for enabling the arc-shaped plate 11 to slide back and forth is formed in the transverse plate of the U-shaped block 13, the end part of the arc-shaped plate 11 is fixedly connected to the end part of the mounting seat 1, the third motor 15 is fixedly connected to the upper end of the U-shaped block 13, the first gear 16 is fixedly connected to an output shaft of the third motor 15, and the first gear 16 is in meshed connection with the first arc-shaped rack 12.

Specifically, there is a cooperation space between the upper and lower ends of the arc plate 11 and the upper and lower ends of the first arc rack 12, so that the upper and lower ends of the arc plate 11 are slidably connected in the arc through groove 14, the arc through groove 14 limits the up and down displacement of the arc plate 11 and limits a movement track for the arc plate 11, the arc plate 11 can be prevented from tilting, and the arc plate 11 can slide in the arc through groove 14 under the driving of the first gear 16.

Specifically, the speed reducer 22 is a worm gear speed reducer, and can make the second gear 23 self-lock when rotating, so as to avoid the semi-annular plate 17 from rotating under the action of gravity.

Specifically, the upper end and the lower end of the end part of the arc plate 11 and the upper end and the lower end of the end part of the mounting seat 1 are fixedly connected with mounting blocks 9, and screws 10 are in threaded connection with each two opposite mounting blocks 9, so that the arc plate 11 is fixedly connected with the mounting seat 1.

Working principle: in the utility model, when the swing angle of the whole clamping block 4 is regulated, the second motor 5 is arranged, and the first power assembly, the second power assembly and the whole mounting seat 1 are driven to rotate by starting the second motor 5; by arranging the fourth motor 21, the speed reducer 22 is driven to rotate by controlling the starting of the fourth motor 21, and the speed reducer 22 transmits power to the second gear 23, so that the gear drives the second arc-shaped rack 18 and the semi-ring plate 17 to rotate around the hinge joint with the mounting shaft 19, and the vertical swing of the mounting seat 1 is regulated; by arranging the third motor 15, the first gear 16 drives the first arc-shaped rack 12 to rotate by controlling the starting of the third motor 15, and then drives the arc-shaped plate 11 to rotate in the arc-shaped through groove 14, so that the left-right direction swing of the mounting seat 1 is regulated;

secondly when the clamping blocks 4 are used, the first motor 2 is connected to enable the clamping blocks to rotate, then the first fluted disc 6 is driven to rotate, the fixing rod 7 is driven to rotate under the action of the arc-shaped grooves on the surface of the first fluted disc 6, the connecting plate 3 at the bottom end of the fixing rod 7 rotates at the moment, the clamping blocks 4 rotate around the rotating shaft, under the action of the second fluted disc 8, the two groups of clamping blocks 4 are adjusted simultaneously, the distance between the two groups of clamping blocks 4 is adjusted, and therefore the clamping operation on the automobile seat framework is achieved.

The first motor 2 used in the above embodiment selects a D110M type servo motor, the second motor 5, the third motor 15 and the fourth motor 21 each select a YE series low speed motor, and a specific model user can select according to the actual required torque and rotation speed.

The present utility model is not limited to the preferred embodiments, but the patent protection scope of the utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings are included in the scope of the utility model.

Claims

1. The utility model provides a welding arm for car seat, includes mount pad, first motor, connecting plate, grip block, second motor, first fluted disc, dead lever and second fluted disc, its characterized in that: the output shaft of the second motor is fixedly connected with a first power component for driving the mounting seat to swing up and down, and one end, far away from the second motor, of the first power component is provided with a second power component for driving the mounting seat to swing left and right.

2. The welding robot arm for an automobile seat as claimed in claim 1, wherein: the first power component comprises a semi-annular plate with a second arc-shaped rack fixedly connected to the outer peripheral surface, a mounting shaft, a U-shaped rod, a fourth motor, a speed reducer and a second gear, wherein the mounting shaft is rotatably connected to the center of the semi-annular plate, the transverse plate of the U-shaped rod is fixedly connected to the output shaft of the second motor, the speed reducer is fixedly connected to one side of the U-shaped rod, the fourth motor is fixedly connected to the outer side of the speed reducer, the output shaft of the fourth motor is fixedly connected to the input shaft of the speed reducer, the second gear is fixedly connected to the output shaft of the speed reducer, and the second gear is meshed with the second arc-shaped rack.

3. The welding robot arm for an automobile seat as claimed in claim 2, wherein: the second power assembly comprises an arc-shaped plate, a U-shaped block, a third motor and a first gear, wherein the middle part of the inner side surface of the arc-shaped plate is fixedly connected with a first arc-shaped rack, the end part of the mounting shaft is rotationally connected with the end part of the longitudinal rod of the U-shaped rod, the transverse plate of the U-shaped block is fixedly connected with the straight edge of the semi-ring plate, an arc through groove for the arc-shaped plate to slide back and forth is formed in the transverse plate of the U-shaped block, the end part of the arc-shaped plate is fixedly connected with the end part of the mounting seat, the third motor is fixedly connected with the upper end of the U-shaped block, the first gear is fixedly connected with the output shaft of the third motor, and the first gear is meshed with the first arc-shaped rack.

4. A welding robot arm for an automobile seat as claimed in claim 3, wherein: the upper and lower ends of the arc-shaped plate and the upper and lower ends of the first arc-shaped rack are provided with a matching space, so that the upper and lower ends of the arc-shaped plate are slidably connected in the arc-shaped through groove.

5. The welding robot arm for an automobile seat as claimed in claim 2, wherein: the speed reducer is a worm gear speed reducer.