CN219746937U - Torsion spring assembly equipment for automobile seat backrest - Google Patents

Abstract

The utility model discloses a torsion spring assembly device for an automobile seat backrest, wherein a clamping and positioning mechanism consists of a plurality of mounting racks, idler wheels, positioning pins, torsion spring assembly blocks, sliding rails and torsion spring positioning blocks, a plurality of positioning grooves and positioning holes are formed in the clamping and positioning mechanisms, and a pushing device consists of an air cylinder (1), an air cylinder (2), an air cylinder (3), an air cylinder (4), an air cylinder (5), an air cylinder (6), an air cylinder (7), an air cylinder (8), an air cylinder (9), an air cylinder body and an air cylinder bodyCylinderCylinderCylinderAnd cylinderThe tool backrest consists of a backrest framework, a tool torsion spring, an angle adjuster unlocking rod and an angle adjuster unlocking block, wherein a plurality of mounting holes are formed in the backrest, and the cylinders are commanded and monitored through a mitsubishi PLC (programmable logic controller), a magnetic switch sensor and an electromagnetic valve, so that 15 cylinders are fully automatically assembled on a mounting frame, and the efficiency and the accuracy of torsion spring assembly are improved.

Description

Torsion spring assembly equipment for automobile seat backrest

Technical Field

The utility model relates to the technical field of assembly of torsion springs of seat backs, in particular to assembly equipment of torsion springs of automobile seat backs.

Background

In the domestic automobile manufacturing field, many automobile types are still equipped with manual adjustment seats, the angle adjustment of a seat backrest is realized by means of the automatic rotating reset function of a torsion spring, so that the aim of seat comfort is fulfilled, a hand-held simple tool is manually utilized in the past, and the torsion spring is assembled by a method of knocking a tool, so that the method is flexible and portable, but the torsion spring is forced to be twisted to a certain angle in advance by manpower to resist torsion force for assembly, the torsion angle of the torsion spring is difficult to accurately control in the process, the production efficiency is low due to large consumption of manpower, and the safety risk is hidden in the production process.

Disclosure of Invention

The utility model aims to provide the torsion spring assembly equipment for the automobile seat backrest, which not only overcomes a plurality of defects of traditional manual operation, but also has the characteristics of safety, high efficiency, accuracy, automatic production and the like, and greatly improves the production efficiency of torsion spring assembly on the premise of not changing the main structure of an original workshop.

In order to achieve the above purpose, the automobile seat backrest torsion spring assembling device is provided, which is composed of a clamping and positioning mechanism, a tool backrest, a pushing device, a plurality of magnetic switch sensors, a Mitsubishi PLC controller and a plurality of electromagnetic valves, wherein the clamping and positioning mechanism is composed of a plurality of mounting frames, idler wheels, positioning pins, torsion spring assembling blocks, sliding rails and torsion spring positioning blocks, a plurality of positioning grooves and positioning holes are arranged on the clamping and positioning mechanism, and the pushing device is composed of a cylinder (1), a cylinder (2), a cylinder (3), a cylinder (4), a cylinder (5), a cylinder (6), a cylinder (7), a cylinder (8), a cylinder (9), a cylinder block and a cylinderCylinder->Cylinder->Cylinder->And cylinder->The tool backrest consists of a backrest framework, a tool torsion spring, an angle adjuster unlocking rod and an angle adjuster unlocking block, wherein a plurality of mounting holes are formed in the backrest, and the cylinders are commanded and monitored through a mitsubishi PLC (programmable logic controller), a magnetic switch sensor and an electromagnetic valve, so that 15 cylinders are fully automatically assembled on a mounting frame, and the efficiency and the accuracy of torsion spring assembly are improved.

According to the automobile seat backrest torsion spring assembling equipment, the cylinder (1) and the cylinder (2), the cylinder (4) and the cylinder (5), the cylinder (6) and the cylinder (7), the cylinder (9) and the cylinder (d)And cylinder->All lie in the left and right sides of back skeleton and mutual symmetry set up, unlock the angle modulation ware so that rotate the angle modulation when fixing back skeleton.

According to the automobile seat backrest torsion spring assembly equipment, the air cylinder (3) and the air cylinder (8) are both positioned at the top of the backrest framework, the air cylinder (8) is positioned at the rear side below the air cylinder (3), and the backrest framework is clamped and locked and simultaneously subjected to accurate angle rotation.

According to the torsion spring assembly device for the automobile seat backrest, the air cylinderThe cylinder is positioned right below the tool torsion spring and provided with a sliding rail, and the cylinder is +.>The cylinder is positioned right above the tool torsion spring and provided with a sliding rail, and the cylinder is +.>Is positioned at the cylinder->Is located in the cylinder +.>On, via cylinder->And cylinder->And moving the torsion spring assembly block to an assembly position for accurate assembly.

According to the torsion spring assembly equipment for the automobile seat backrest, the Mitsubishi PLC controller adopts the FX3GA-40MR controller in the integral PLC controller, and has the characteristics of compact structure, small volume, low price and the like, meets the use requirement, maintains convenience, and improves the memory capacity and the arithmetic processing capacity.

According to the automobile seat backrest torsion spring assembly equipment, a plurality of magnetic switch sensors and a plurality of electromagnetic valves are arranged on the pushing device, the telescoping condition of the cylinder is detected through the magnetic switch sensors, the operation positions of the backrest and the torsion spring in the assembly process are monitored in real time, and after the received sensor signals are subjected to centralized analysis and treatment, the PLC controller controls the cylinder to work with positioning mechanisms at all parts of the assembly tool through the electromagnetic valves, so that the automobile seat backrest torsion spring assembly equipment is efficient and safe.

The utility model has the beneficial effects that:

1. according to the utility model, the air cylinders are commanded and monitored through the Mitsubishi PLC controller, the magnetic switch sensor and the electromagnetic valve, so that 15 air cylinders are fully automatically assembled on the mounting frame, and the efficiency and accuracy of torsion spring assembly are improved.

Drawings

The utility model is further described below with reference to the drawings and examples;

FIG. 1 is an overall schematic view of the torsion spring assembly apparatus of the automotive seat back of the present utility model;

FIG. 2 is a schematic view of the cylinder (4) and recliner release lever of the vehicle seat back torsion spring assembly apparatus of the present utility model;

FIG. 3 is a side view of the torsion spring assembly apparatus of the automotive seat back of the present utility model;

fig. 4 is a circuit schematic diagram of the mitsubishi PLC controller.

Legend description:

1. a magnetic switch sensor;

2. mitsubishi PLC controller;

3. a clamping and positioning mechanism; 31. a mounting frame; 32. a roller; 33. a positioning pin; 34. a slide rail; 35. positioning holes;

4. tool backrest; 41. a tool torsion spring; 42. the angle adjuster releases the lock rod; 43. a back rest frame;

5. a pushing device; 501. a cylinder (1); 502. a cylinder (2); 503. a cylinder (3); 504. a cylinder (4); 505. a cylinder (5); 506. a cylinder (6); 507. a cylinder (7); 508. a cylinder (8); 509. a cylinder (9); 510. a cylinder (c); 511. cylinder512. Cylinder513. Cylinder->514. Cylinder->515. Cylinder->

6. A solenoid valve.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-4, the assembly equipment is composed of a clamping and positioning mechanism 3, a tool backrest 4, a pushing device 5, a plurality of magnetic switch sensors 1, a mitsubishi PLC controller 2 and a plurality of electromagnetic valves 6, wherein the clamping and positioning mechanism 3 is composed of a plurality of mounting frames 31, rollers 32, positioning pins 33, torsion spring assembly blocks, sliding rails 34 and torsion spring positioning blocks, a plurality of positioning grooves and positioning holes 35 are arranged on the clamping and positioning mechanism, the pushing device 5 is composed of a cylinder (1-501, a cylinder (2-502), a cylinder (3-503), a cylinder (4-504), a cylinder (5-505), a cylinder (6-506), a cylinder (7-507, a cylinder (8-508), a cylinder (9-509, a cylinder-510, a cylinder-cylinder)511. Cylinder->512. Cylinder->513Cylinder->514 and Cylinder->515, the tool backrest 4 consists of a backrest framework 43, a tool torsion spring 41, an angle adjuster unlocking rod 42 and an angle adjuster unlocking block, a plurality of mounting holes are arranged on the backrest, cylinder (1) 501 and cylinder (2) 502, cylinder (4) 504 and cylinder (5) 505, cylinder (6) 506 and cylinder (7) 507, cylinder (9) 509 and cylinder user 510, cylinder->512 and Cylinder>513 are symmetrically arranged on the left and right sides of the backrest frame 43, the cylinder (3) 503 and the cylinder (8) 508 are arranged on the top of the backrest frame 43, the cylinder (8) 508 is arranged on the rear side below the cylinder (3) 503, the cylinder +.>511 is located directly under the tool torsion spring 41 and is provided with a slide rail 34, a cylinder +.>514 is located right above the tool torsion spring 41 and is provided with a slide rail 34, a cylinder +.>515 is located in the cylinder +.>514, the torsion spring mounting block is located in the cylinder +.>515, the Mitsubishi PLC controller 2 adopts FX3GA-40MR controllers in the integral PLC controller, and a plurality of pushing devices 5 are arranged on the pushing devicesA magnetic switch sensor 1 and a plurality of electromagnetic valves 6.

Working principle: after the tool torsion spring 41 and the tool backrest 4 are preassembled and then put into the clamping and positioning mechanism 3, a one-key start assembly program is used for full-automatic assembly, each step of action magnetic switch sensor 1 of the process air cylinder can transmit signals to the Mitsubishi PLC controller 2, the Mitsubishi PLC controller 2 analyzes and processes the signals and then sends out next step of instructions, if any signal in the process is abnormal, the clamping and positioning mechanism 3 and the pushing device 5 can stop acting, and in order to ensure the safety of operators, the manual key is necessary to exit the working process in a single step, the assembly steps are as follows:

the first step: cylinder (1) 501 and cylinder (2) 502 extend in place, cylinder (3) 503 extends, locating pin 33 inserts into the back mounting hole, clamping locating mechanism 3 carries on the accurate location and clamps to the back skeleton 43;

and a second step of: cylinder (4) 504 and cylinder (5) 505 extend to the right, angle adjuster unlocking rod 42 is inserted into the fixture locating groove;

and a third step of: cylinder (6) 506 and cylinder (7) 507 extend out of place, cylinder pushes the angle adjuster unlocking block to unlock the angle adjuster in a rotating way;

fourth step: cylinder (8) 508 extends out of place, after the angle adjuster is unlocked in the last step, cylinder (8) 508 pushes backrest frame 43 to rotate to a certain angle along the central axis of the angle adjuster;

fifth step: cylinder (9) 509 and cylinder 510 extend to the right, locating pin 33 is inserted into locating hole 35 of lower connecting plate of backrest frame 43, clamping locating mechanism 3 limits tool torsion spring 41, preventing tool torsion spring 41 from separating from clamping locating mechanism 3 in the rotation process, cylinder511, the slide rail 34 is extended to the proper position, the torsional spring positioning block is extended to the proper position, the tool torsional spring 41 is precisely positioned, and the next step of normal assembly of the tool torsional spring 41 is prepared;

sixth step: cylinder512 and Cylinder>513 extend out to the position, and the cylinder pushes the torsion spring assembly block to enable the tool torsion spring 41 to rotate to the assembly position;

seventh step: cylinder514 are extended into position by means of the slide rail 34, cylinder +.>514 carrying cylinder->515 to the exact location;

eighth step: cylinder515 is extended in place, the torsion spring assembly block tightens the tool torsion spring 41, and the cylinder is +.>514 is contracted and extended once in a short distance, and the torsion spring assembly block pulls the tool torsion spring 41 to bend for assembly in place;

ninth step: and the program controls the cylinder to retract in a reverse order, and all parts of the tool are reset.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (6)

1. The automobile seat backrest torsion spring assembly equipment is characterized by comprising a clamping and positioning mechanism (3), a tool backrest (4), a pushing device (5), a plurality of magnetic switch sensors (1), a Mitsubishi PLC (programmable logic controller) 2 and a plurality of electromagnetic valves (6);

a clamping and positioning mechanism (3); the device consists of a plurality of mounting frames (31), rollers (32), positioning pins (33), torsion spring assembly blocks, sliding rails (34) and torsion spring positioning blocks, wherein a plurality of positioning grooves and positioning holes (35) are formed in the mounting frames;

a pushing device (5); it is composed of cylinder (1) (501), cylinder (2) (502), cylinder (3) (503), cylinder (4) (504), cylinder (5) (505), cylinder (6) (506), cylinder (7) (507), cylinder (8) (508), cylinder (9) (509), cylinder (510), cylinder (7) (507)(511) Cylinder->(512) Cylinder->(513) Cylinder->(514) And cylinder->(515) Composition;

a tool backrest (4); the novel backrest comprises a backrest framework (43), a tooling torsion spring (41), an angle adjuster unlocking rod (42) and an angle adjuster unlocking block, wherein a plurality of mounting holes are formed in the backrest.

2. The automobile seat back torsion spring assembling apparatus according to claim 1, wherein the cylinder (1) (501) and the cylinder (2) (502), the cylinder (4) (504) and the cylinder (5) (505), the cylinder (6) (506) and the cylinder (7) (507), the cylinder (9) (509) and the cylinder (510), the cylinder(512) And cylinder->(513) Are positioned on the left side and the right side of the backrest framework (43) and are symmetrically arranged.

3. The automobile seat back torsion spring assembling apparatus according to claim 1, wherein the air cylinders (3) (503) and the air cylinders (8) (508) are each located at a top of the back frame (43) and the air cylinders (8) (508) are located at a lower rear side of the air cylinders (3) (503).

4. The automobile seat back torsion spring assembling apparatus according to claim 1, wherein the air cylinder(511) A slide rail (34) is arranged right below the tool torsion spring (41), and the cylinder is +.>(514) A slide rail (34) is arranged right above the tool torsion spring (41), and the cylinder is +.>(515) Is positioned at the cylinder->(514) Is located in the cylinder +.>(515) And (3) upper part.

5. The torsion spring assembling apparatus for a seat back of an automobile according to claim 1, wherein the mitsubishi PLC controller (2) employs an FX3GA-40MR controller among integral PLC controllers.

6. The torsion spring assembling apparatus for a seat back of an automobile according to claim 1, wherein the pushing devices (5) are each provided with a plurality of magnetic switch sensors (1) and a plurality of solenoid valves (6).