An automated conveyor production line for processing chairs

Abstract

The present application relates to chair conveying production line technical field, specifically propose a kind of chair processing automation conveying production line, including for transporting chair conveying track and for transporting chair output track, the slide rail of conveying track is equipped with slidable mechanical arm, the lower end of mechanical arm is equipped with the jaw assembly for clamping chair;The present application is by one support assembly with the aid of side arm lever to the rear end of cushion, another support assembly with the aid of forearm lever to the front end of cushion, two limit components with the aid of side arm lever to the both sides of cushion and limit plate to the surface of cushion form the package type clamping of chair, and the stress point of this package type clamping and cantilever arm's discharge force are all on the surface of packaging box, so that the clamping stress point of seat and the accurate alignment of seat accurately placed to the discharge stress point on tray is located in the same position, can effectively guarantee the clamping stability of cushion position, need not to carry out multiple calibration, the precise discharge conveying can be realized in the same posture of chair.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of chair conveying production lines, and specifically provides a chair processing automated conveying production line. BACKGROUND

[0002] An automobile seat is a device for passengers to sit in a vehicle, and mainly provides support, comfort and safety. The automobile seat is usually composed of a framework, a filling layer, a cover and an adjusting mechanism. The transportation of the seat from the warehouse to the assembly line usually adopts a mechanical hand to carry. However, since the surface material of the cover is usually leather and fabric, the carrying damage is prone to occur in the production process of the assembly line, thereby affecting the quality of the automobile seat.

[0003] The existing automobile seat clamping and transfer conveying is transported by clamping the backrest through the mechanical hand clamping jaw. Although the surface of the seat is provided with a plastic film to prevent scratching the surface of the seat, since the surface of the backrest is soft leather material, the contact area of the two ends of the clamping jaw is small, and the clamping force is large, so the leather of the backrest surface is prone to produce a relatively large clamping indentation. At this time, the backrest clamped by the clamping jaw is the force receiving part. However, when the seat is clamped and placed on the assembly conveying line, the seat cushion part needs to be aligned with the positioning point on the conveying line tray. Since the seat cushion part is in a free state, there may be a posture deviation, and the clamping reference and the feeding reference are not in the same position at this time, so the mechanical hand clamping jaw needs to be adjusted for several times to accurately feed.

[0004] Therefore, there is an urgent need for a chair processing automated conveying production line which does not produce clamping indentation on the surface of the seat in the clamping state, and is more convenient for placing the seat on the assembly conveying line. SUMMARY

[0005] In order to solve the above problems, the present application provides a chair processing automated conveying production line, which is used to solve the problems mentioned in the background.

[0006] In order to achieve the above object, the present application adopts the following technical scheme: a chair processing automatic conveying production line, comprising a conveying track for conveying chairs and an output track for conveying chairs, the conveying track and the output track are different in height, a slide rail of the conveying track is equipped with a slidable mechanical arm, a slide rail of the output track is equipped with a tray for positioning and placing chairs, a lower end of the mechanical arm is equipped with a clamping jaw assembly for clamping chairs, the clamping jaw assembly comprises an encapsulation box located directly above a chair cushion, a lower portion of the encapsulation box is equipped with a limiting plate which is large in area and is attached to a surface of the chair cushion; both sides of the encapsulation box are equipped with rotatable side arm rods, end portions of the side arm rods are equipped with rotatable cross bars, a front end of the encapsulation box is equipped with a rotatable front arm rod, end portions of the front arm rod and a surface of the cross bar are both equipped with support assemblies which are respectively abutted against lower portions of front and rear ends of the cushion, the two support assemblies are abutted against lower ends of the cushion to form a full-range support.

[0007] A surface of the side arm rod is equipped with a limiting assembly for further preventing the chair from shaking, the limiting assembly is abutted against both sides of the cushion.

[0008] The chair is clamped by the encapsulation box through a support assembly by means of the side arm rod against the rear end of the cushion, another support assembly by means of the front arm rod against the front end of the cushion, two limiting assemblies by means of the side arm rod against both sides of the cushion, and the limiting plate against the surface of the cushion, and stress points of the clamping and a placing force of the cantilevered arm rod are both on the surface of the encapsulation box.

[0009] Preferably, a surface of the encapsulation box directly above is equipped with a cantilevered arm rod for being installed on the mechanical arm, a position of the encapsulation box is equipped with a driving source for driving the support assembly to rotate.

[0010] Preferably, the limiting plate is arc-shaped and is attached to the surface of the cushion, the limiting plate is made of plastic material and has a certain deformation ability, and a front end of the limiting plate is clamped in a gap between the chair cushion and the backrest.

[0011] Preferably, the two cross bars are integrated, a surface of each side arm rod is equipped with a motor, and the two motors simultaneously drive both ends of the cross bar to rotate.

[0012] Preferably, the support assembly comprises a hinge shaft, the hinge shafts on the two support assemblies are respectively welded at positions of a surface of the cross bar and an end portion of the front arm rod, end portions of the hinge shafts are rotatably equipped with hinge seats, a surface of the hinge seat is equipped with a support plate for being abutted against a lower end surface of the cushion, both ends of the hinge shaft are respectively sleeved with torsional springs, and both ends of the torsional springs are respectively equipped at the surfaces of the hinge shaft and the hinge seat.

[0013] Preferably, a surface of the support plate is bonded with a rubber pad one for being attached to the lower end surface of the cushion.

[0014] Preferably, the front arm rod is hook-shaped, and the installation position of the support assembly is not the lowest point of the front arm rod.

[0015] Preferably, the distance between the two side arm rods is greater than the width of the chair.

[0016] Preferably, the limiting component comprises a sliding rod installed through the surface of the side arm rod, the surface of the side arm rod is equipped with an electric push rod for driving the sliding rod to move along the axis thereof, and the end of the sliding rod is equipped with a clamping plate abutting against the two sides of the cushion.

[0017] Preferably, the surface of the clamping plate is bonded with a rubber pad II for abutting against the surface of the lower end of the cushion.

[0018] The above technical solution has the following advantages or beneficial effects: 1. The present application forms a wrapping clamping of the chair by means of one support component through the side arm rod to the rear end of the cushion, another support component through the front arm rod to the front end of the cushion, two limiting components through the side arm rod to the two sides of the cushion, and the limiting plate to the surface of the cushion, and the stress points of the wrapping clamping and the placing force of the cantilever rod are all on the surface of the packaging box, so that the stress points of the clamping of the seat and the placing stress points of the seat accurately placed on the tray are located at the same position, which can effectively ensure the clamping stability of the position of the cushion, so that the placing of the clamping jaw assembly is more convenient, without the need for multiple calibrations, and the accurate placing and conveying can be realized with the chair in the same posture, and since the position with a small stress surface is located below the non-flexible material of the cushion, the stress area of the limiting plate clamped at the sponge surface sleeve is large, and the limiting plate does not need a large force to clamp at this time, so that no indentation is generated on the surface of the chair, thereby ensuring the quality of the surface of the chair during conveying.

[0019] 2. The clamping plate of the side arm rod is provided in the present application, and after the chair is clamped by the clamping jaw assembly, the clamping plate on the side arm rod can abut against the two side positions of the cushion under the action of the electric push rod, thereby further ensuring the stability during clamping and conveying and the accuracy of placing, since the clamping plate does not need to be clamped at this time and is only used for limiting, a large force is not needed, and the rubber pad II provided on the clamping plate can also avoid indentation on the two sides of the cushion. BRIEF DESCRIPTION OF DRAWINGS

[0020] The present application and its features, shapes and advantages will become more apparent by reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The same reference signs indicate the same parts throughout the drawings, and the drawings are not necessarily drawn to scale, with the emphasis being on illustrating the main idea of the present application.

[0021] Figure 1 is a schematic diagram of the three-dimensional structure of a chair processing automatic conveying production line provided by the present application.

[0022] Figure 2 is a schematic diagram of the state structure of the clamping of the chair by the side arm rod in the clamping jaw assembly. is a schematic diagram of the state structure of the clamping of the chair by the side arm rod in the clamping jaw assembly.

[0023] Figure 3 This is a schematic diagram of the gripper assembly's forearm lever holding the chair in place.

[0024] Figure 4 This is a schematic diagram of the structure where a rubber pad rests against the bottom of the front end and the rear end of the seat.

[0025] Figure 5 This is a three-dimensional structural diagram of the gripper assembly.

[0026] Figure 6 This is a schematic diagram of the forearm rod structure.

[0027] Figure 7 This is a schematic diagram showing the disassembled structure of the limiting plate and the packaging box.

[0028] Figure 8 This is a cross-sectional structural diagram of the hinge shaft and hinge seat.

[0029] In the diagram: 1. Conveyor track; 2. Output track; 3. Robotic arm; 4. Pallet; 5. Gripper assembly; 51. Packaging box; 52. Side arm; 53. Crossbar; 54. Forearm arm; 55. Support assembly; 551. Hinge shaft; 552. Hinge seat; 553. Torsion spring; 554. Support plate; 6. Limiting plate; 7. Cantilever; 8. Motor; 9. Limiting assembly; 91. Slide rod; 92. Electric actuator; 93. Clamping plate; 10. Rubber pad two; 11. Rubber pad one. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] Figure 1Disclose a kind of chair processing automation conveying production line, mainly for the conveying state of automobile seat from high to low, including conveying track 1 and output track 2, sliding rail is fixedly installed on conveying track 1 by bolt, sliding block seat is slidably installed on sliding rail, the surface of sliding block seat is fixedly equipped with mechanical arm 3, conveying track 1 is connected with the storage area of chair, the end of mechanical arm 3 is fixedly installed with gripper assembly 5 by flange and bolt, after gripper assembly 5 clamps chair, chair is clamped from high to low by the movement of mechanical arm 3, fixedly equipped with tray 4 on the low output track 2, limit rod is fixedly connected on tray 4, gripper assembly 5 needs to be aligned with the upper side of limit rod and place.

[0033] As shown in Figures 1-3 And Figure 7 The lower end of mechanical arm 3 is fixedly installed with cantilever rod 7 by flange and bolt, cantilever rod 7 needs to be located directly above the center position of chair cushion when clamping, the lower end of cantilever rod 7 is fixedly installed with packaging box 51, limit plate 6 is assembled below packaging box 51 and is large-area attached to the surface of cushion, the overall shape of limit plate 6 is arc-shaped, limit plate 6 is plastic material and has certain elasticity, so limit plate 6 can be attached to the shape of the upper surface of cushion, and is directly inserted into the gap between cushion and backrest, can provide certain clamping and limiting capacity, and because the stress area is large, it can effectively avoid large indentation on the surface of cushion, screw hole is formed on the lower surface of packaging box 51, threaded hole is screw-mounted with stud, limit plate 6 is integrally formed with stud, when assembling, limit plate 6 is screwed into threaded hole position.

[0034] Both sides of packaging box 51 are rotatably installed with rotating shaft, the end of rotating shaft is fixedly installed with side arm rod 52, power source (not shown in the figure) for driving two rotating shafts to rotate is arranged in packaging box 51, it should be noted that there is a large distance between side arm rod 52 and chair, to prevent side arm rod 52 from colliding with chair during rotation of rotating shaft, cross rod 53 is rotatably installed between two side arm rods 52, support assembly 55 is assembled on the surface of cross rod 53, when cross rod 53 rotates, support assembly 55 abuts against the surface of chair for support, because support assembly 55 needs to bear large chair gravity at this time, therefore, motor 8 is fixedly assembled on the end of two side arm rods 52 through motor base, two motors 8 simultaneously drive cross rod 53 to rotate, to ensure that the stress balance of both ends of cross rod 53, synchronous rotation of two motors 8 can be driven by program at this time, which belongs to prior art, and will not be described in detail in the present scheme.

[0035] It should be noted that after the rotation of two rotating shafts, cross rod 53 is located at the lower side of the rear end of cushion, because the position is non-flexible material, so that indentation can be effectively avoided on the surface of chair during clamping.

[0036] The front end of the packaging box 51 is rotatably provided with a rotatable forearm 54. The forearm 54 is located at the middle of the packaging box 51. The rotation of the forearm 54 is driven by a power source. The end of the forearm 54 is also provided with a support assembly 55. When the forearm 54 is driven to rotate by the power source, the support assembly 55 at this position is abutted against the front end below the cushion. The position is a non-flexible material. It should be noted that the forearm 54 is in the shape of a hook. The support assembly 55 is not located at the lowest point of the forearm 54 (see Figure 6 ). It is ensured that the support assembly 55 will not collide with the output track 2 during the rotation of the forearm 54. At this time, the two support assemblies 55 and the limiting plate 6 form three directional support clamping. It can effectively ensure the clamping stability of the position of the cushion. Therefore, the discharging of the clamping jaw assembly 5 is more convenient and does not need to be calibrated multiple times. At the same time, the position with a smaller stress surface is located at the non-flexible material below the cushion. The stress area of the limiting plate 6 clamped at the sponge surface sleeve is larger. At this time, the limiting plate 6 does not need to be clamped with too much force. Therefore, it will not produce indentations on the surface of the chair.

[0037] As shown in Figures 4-5 and Figures 7-8 , the support assembly 55 comprises a hinge shaft 551. The hinge shaft 551 on the two support assemblies 55 is respectively welded at the surface of the cross bar 53 and the end position of the forearm 54. The surface of the hinge shaft 551 is rotatably provided with a hinge seat 552. A circular groove is formed in the inside of the hinge seat 552. The two ends of the hinge shaft 551 movably sleeve a torsional spring 553. The torsional spring 553 is located in the inside of the circular groove. One end of the torsional spring 553 is fixed in the inside of the circular groove. The other end of the torsional spring 553 is fixed on the surface of the hinge shaft 551. The initial state of the torsional spring 553 is that the hinge shaft 551 forms a 90° angle with the surface of the hinge seat 552. The end of the hinge seat 552 is welded with a support plate 554. The surface of the support plate 554 is bonded with a rubber pad I 11. Since the rubber pad I 11 has a certain elasticity, it can effectively prevent scratches caused by the hard contact between the support plate 554 and the chair.

[0038] When the cross bar 53 or the forearm 54 rotates, the support assembly 55 will be driven to rotate. At this time, the rubber pad I 11 will first contact the bottom of the cushion. The cross bar 53 and the forearm 54 continue to rotate. The contact area between the rubber pad I 11 and the bottom of the cushion becomes larger. At the same time, the bottom of the cushion will also extrude the rubber pad I 11. At this time, the hinge seat 552 will be driven to rotate until the rubber pad I 11 is completely attached to the bottom of the cushion to support the cushion.

[0039] As shown in Figure 1 , Figure 4 and Figure 7As shown, the surface of the side arm rod 52 is mounted with a limiting assembly 9, the limiting assembly 9 is located at both sides of the cushion respectively, the limiting assembly 9 comprises a sliding rod 91 which is slidingly mounted on the surface of the side arm rod 52, the surface of the side arm rod 52 is fixedly mounted with an electric push rod 92, the output shaft of the electric push rod 92 is fixedly connected with the end of the sliding rod 91, the end of the sliding rod 91 is provided with an integrated clamping plate 93, in order to prevent the clamping plate 93 from scratching the surface of the cushion, the surface of the clamping plate 93 is also bonded with a rubber pad two 10, the surface of the rubber pad two 10 is attached to both sides of the cushion, the output shaft of the electric push rod 92 drives the clamping plate 93 to move, the clamping plate 93 drives the rubber pad two 10 to clamp on both sides of the cushion, which can further ensure the stability of the chair during clamping and transportation, and ensure more accurate discharging.

[0040] After discharging is completed, the side arm rod 52 and the forearm rod 54 are simultaneously rotated away from the chair, and the mechanical arm 3 drives the clamping jaw assembly 5 to move away from the chair.

[0041] The chair processing automatic conveying production line provided by the application moves the clamping jaw assembly 5 by moving the mechanical arm 3, and the clamping jaw assembly 5 is sleeved above the chair from top to bottom. First, the limiting plate 6 is attached to the surface of the chair cushion and moves straight into the gap between the cushion and the backrest. Then, the packaging box 51 drives the two side arm rods 52 to rotate simultaneously, and the forearm rod 54 rotates until the cross rod 53 is below the rear end of the cushion, and the front end of the forearm rod 54 is below the front end of the cushion. At the same time, the motor 8 drives the cross rod 53 to rotate. At this time, the rubber pad one 11 on the supporting assembly 55 will first contact the bottom of the cushion. During the rotation process, the contact area between the rubber pad one 11 and the bottom of the cushion increases, and the bottom of the cushion also extrudes the rubber pad one 11. At this time, the hinge seat 552 will be rotated until the rubber pad one 11 is completely attached to the bottom of the cushion to support the cushion. The two supporting assemblies 55 and the limiting plate 6 form three directional supporting and clamping positions. The output shaft of the electric push rod 92 on the side arm rod 52 drives the clamping plate 93 to move, and the clamping plate 93 drives the rubber pad two 10 to clamp on both sides of the cushion, which can further ensure the stability of the chair during clamping and transportation, effectively ensure the clamping stability of the cushion position, and more accurately discharge. At this time, the clamping reference and the discharging reference are the same coordinate system, so the discharging of the clamping jaw assembly 5 will be more convenient. At the same time, the position with smaller stress surface is located at the non-flexible material below the cushion, the limiting plate 6 clamped on the sponge surface sleeve has a larger stress area, and the limiting plate 6 does not need too much force to clamp at this time, so it will not cause indentation on the surface of the chair.

[0042] In the application, the chair is wrapped and clamped by a support assembly 55 through a side arm rod 52 on the rear end of the cushion, another support assembly 55 through a front arm rod 54 on the front end of the cushion, two limiting assemblies 9 through the side arm rod 52 on the two sides of the cushion, and the limiting plate 6 on the surface of the cushion, and the stress points of the wrapped clamping and the discharge force of the cantilever rod 7 are all on the surface of the packaging box 51, so that the clamping stress points of the seat and the discharge stress points of the seat accurately placed on the tray 4 are located in the same position, without the need for multiple calibrations, and the chair can be accurately discharged and conveyed in the same posture; meanwhile, all the contact surfaces with the surface of the chair in the application will not produce indentations, thereby ensuring the quality of the surface of the chair in the conveying process.

[0043] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0044] In the description of the present application, it should be understood that, unless otherwise explicitly specified and limited, the terms "arrangement", "connection", "installation", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0045] The preferred embodiments of the present application have been described above. It should be understood that the present application is not limited to the above specific embodiments, and the devices and structures not described in detail should be understood as being implemented in the ordinary way in the art; any person skilled in the art can make many possible changes and modifications, or modify equivalent embodiments without departing from the technical solution of the present application, which does not affect the essential content of the present application. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application, without departing from the technical solution of the present application, all still belong to the scope of protection of the technical solution of the present application.

Claims

1. An automatic conveying production line for chair processing, comprising a conveying track for transporting chairs and an output track for transporting chairs, the conveying track and the output track being different in height, a slide rail of the conveying track being equipped with a slidable mechanical arm, and a slide rail of the output track being equipped with a tray for positioning and placing chairs, characterized in that: a lower end of the mechanical arm is equipped with a clamping jaw assembly for clamping chairs, the clamping jaw assembly comprising an encapsulation box located directly above a seat cushion of a chair, and a limiting plate being attached to a surface of the seat cushion below the encapsulation box; two sides of the encapsulation box are equipped with rotatable side arm rods, end portions of the side arm rods are equipped with rotatable cross bars, and a front end of the encapsulation box is equipped with a rotatable front arm rod, end portions of the front arm rod and surfaces of the cross bars are both equipped with support assemblies respectively abutting against a lower end of the seat cushion and two sides of a rear end of the seat cushion, and the two support assemblies abutting against the lower end of the seat cushion form a full-range support; surfaces of the side arm rods are equipped with limiting assemblies abutting against the two sides of the seat cushion; the clamping of the chair is realized by the side arm rod abutting against the rear end of the seat cushion through one support assembly, the front arm rod abutting against the front end of the seat cushion through another support assembly, the side arm rod abutting against the two sides of the seat cushion through the two limiting assemblies, and the limiting plate abutting against the surface of the seat cushion, and the stress points of the clamping and the placing force of the cantilever rod are both on the surface of the encapsulation box. a surface of the encapsulation box directly above is equipped with a cantilever rod for being installed on the mechanical arm, and a position of the encapsulation box is equipped with a driving source for driving the support assemblies to rotate. the limiting plate is arc-shaped and attached to the surface of the seat cushion, the limiting plate is made of plastic and has a certain deformation ability, and a front end of the limiting plate is clamped in a gap between the seat cushion and a backrest of the chair. the two cross bars are integrated, and surfaces of the two side arm rods are both equipped with motors for simultaneously driving the two ends of the cross bars to rotate. the support assembly comprises a hinge shaft, the hinge shafts on the two support assemblies are respectively welded at positions of surfaces of the cross bars and the end portions of the front arm rod, end portions of the hinge shafts are rotatably equipped with hinge seats, surfaces of the hinge seats are equipped with support plates for abutting against the surface of the lower end of the seat cushion, both ends of the hinge shafts are respectively sleeved with torsional springs, and both ends of the torsional springs are respectively equipped at surfaces of the hinge shafts and the hinge seats.

2. A chair processing automated conveyor production line according to claim 1, characterized in that: a surface of the support plate is bonded with a rubber pad one for being attached to the surface of the lower end of the seat cushion.

3. A chair machining automated conveyor production line according to claim 1, characterized in that: the front arm rod is hook-shaped, and the installation position of the support assembly is not the lowest point of the front arm rod.

4. The chair processing automated conveyor production line of claim 1, wherein: the distance between the two side arm rods is greater than the width of the chair.

5. A chair machining automated conveyor production line according to claim 4, characterized in that: the limiting assembly comprises a slide rod installed through the surface of the side arm rod, a surface of the side arm rod is equipped with an electric push rod for driving the slide rod to move along an axis of the slide rod, and end portions of the slide rod are equipped with clamping plates attached to the two sides of the seat cushion.

6. A chair machining automated conveyor production line according to claim 5, characterized in that: surfaces of the clamping plates are bonded with rubber pads two for being attached to the surface of the lower end of the seat cushion.

7. An automated conveyor production line for processing chairs according to claim 1, characterized in that: ​ 8. An automated conveyor production line for processing chairs according to claim 1, characterized in that: ​ 9. An automated conveyor production line for processing chairs according to claim 1, characterized in that: ​ 10. A chair machining automated conveyor production line according to claim 9, characterized in that: ​

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