CN102658478B - Leaf spring assembly line - Google Patents

Abstract

A leaf spring assembly line belongs to the field of auto parts manufacturing equipment. It includes an assembly bracket (5) and a rack, and is characterized in that: the assembly bracket (5) is fixed horizontally, supports and installs a vertical rack in the middle of the assembly bracket (5), and installs a horizontal rack near the side of the assembly bracket (5). As for the card loading assembly, chipping devices are installed at both ends of the assembly bracket (5), and two sets of preloading trolleys are installed on the upper plane of the assembly bracket (5). Compared with the existing technology, the leaf spring flow assembly line can realize the flow assembly of the leaf spring, improve production efficiency, save manpower and material resources, facilitate the modern management of the factory, and realize double-station simultaneous work in the process of chipping and threading the central bolt. Speed up leaf spring assembly.

Description

A leaf spring assembly line

technical field

A leaf spring assembly line belongs to the field of auto parts manufacturing equipment, and in particular relates to an automated automobile leaf spring assembly line.

Background technique

At this stage, the assembly of leaf springs for automobiles is mostly done manually. Some manufacturers with modern assembly lines still need to carry out manual handling when changing positions for leaf springs, and there is no systematic automatic assembly line. . Such production work efficiency is low, and because leaf spring weight is heavier, and volume is bigger, and carrying is inconvenient, needs more manpower to finish work, compares waste of manpower and material resources, and assembly efficiency is extremely low, has influenced overall work efficiency.

Contents of the invention

The technical problem to be solved by the present invention is: to overcome the deficiencies of the prior art, and to provide a leaf spring assembly line that can realize assembly of leaf springs, improve work efficiency, and save manpower and material resources.

The technical solution adopted by the present invention to solve the technical problem is: the plate spring assembly line includes an assembly bracket and a frame, and is characterized in that: the assembly bracket is fixed horizontally, and the vertical frame is supported and installed in the middle of the assembly bracket, A horizontal clamping assembly is installed near one side of the assembly bracket, a chipping device is installed at both ends of the assembly bracket, and two sets of preloading trolleys are installed on the plane slidingly on the assembly bracket. The plate spring completes chip assembly on the chip devices at both ends of the assembly bracket at the same time, passes through the center bolt and tightens it, realizes double-station work at the same time, performs preloading on the middle frame, installs clip bolts on the clamping assembly, and corrects the leaf spring And check the assembly.

The frame includes two vertically fixed frame columns and a crossbeam supported above the frame column, a pressure head that can move up and down is installed at the center of the beam, and a support head that can move up and down is installed directly below the pressure head. The lower end of the leaf spring is supported by the support head, and the pressure head is pressed downward to carry out the pre-compression process.

The lower end of the pressure head is provided with two vertical pressing legs, and the upper end is connected with the output shaft of the hydraulic cylinder through a threaded hole. The two pressing legs are driven by the hydraulic cylinder to compress the leaf spring.

The card loading assembly includes a card loading frame, a sprocket group, a chain and a geared motor, the card loading frame is horizontally fixed on one side of the assembly bracket, and one end is connected to the assembly bracket, the chain is laid flat on the top of the card loading frame and It is engaged with the sprocket set for transmission, and a deceleration motor is arranged below one end of the card loading frame to connect with the sprocket set. The chain and the sprocket set realize the chain sprocket transmission and can drive the leaf spring to drive forward, and the reduction motor can regulate the speed.

A draw hook is installed above one end of the card loading frame close to the assembly bracket, an upward hook is provided at one end of the draw hook close to the assembly support, and a hydraulic oil cylinder is connected to the other end. The hook is powered by a hydraulic cylinder to pull the leaf spring onto the chain for the next step.

The chipping device includes a center pin and a compression head directly above the center pin, the lower end of the center pin is connected to a hydraulic cylinder, and the compression head is supported and fixed on the assembly bracket by one side of the cylinder bracket. The center pin is a straight rod placed vertically. The bottom end is connected to the output shaft of the hydraulic cylinder. The center pin can connect multiple reeds in series. The center bolt passes through the center hole of the reed.

The center pin is a straight rod placed vertically, the bottom end of which is connected to the output shaft of the hydraulic cylinder.

The preloading trolley includes a vehicle frame, wheels and support shafts, the vehicle frame is slidably supported on the upper plane of the assembly bracket through the wheels, and the support shaft is installed on the upper end of the vehicle frame through corner blocks. The pre-pressing trolley is used to support the reeds and transport the assembled reeds to the middle frame.

Compared with the prior art, the beneficial effects of a leaf spring assembly line of the present invention are:

1. Realize the streamlined assembly of leaf springs and improve production efficiency: set up assembly brackets, racks and clamping assemblies, and set two sets of slidable preloading trolleys on the assembly brackets, and set chains and sprockets on the clamping assemblies The group and the hook realize the automatic transportation of the leaf spring between various processes, so that the leaf spring chip, the center bolt is tightened, pre-pressed, the clip bolt is installed, and the leaf spring is corrected quickly in one assembly line, which improves the production efficiency;

2. The process of chipping and threading the center bolt realizes double-station work at the same time and speeds up the assembly speed: two sets of chipping devices are installed at both ends of the assembly bracket to make the two stations work at the same time, so that the leaf spring codes and the center bolt The speed is doubled, which speeds up the assembly of leaf springs;

3. Save manpower and material resources, which is conducive to the modern management of the factory: the use of pre-pressing trolleys, chains, sprocket sets and hooks to realize the transportation and transmission of leaf springs between various processes saves manpower and material resources, reduces labor costs, and is conducive to the modern management of the factory.

Description of drawings

Fig. 1 is a schematic front view of the structure of the present invention.

Fig. 2 is a left view of the structure diagram of the present invention.

Fig. 3 is a schematic top view of the structure of the present invention.

Fig. 4 is a view along the line A-A of Fig. 3 .

Among them: 1. Rack column 2. Beam 3. Pressure head 4. Support head 5. Assembly bracket 6. Card loading frame 7. Sprocket set 8. Chain 9. Geared motor 10. Pull hook 11. Center pin 12. Compression head 13, oil cylinder bracket 14, frame 15, wheel 16, support shaft 17, corner block 18, reed.

Fig. 1～4 is the preferred embodiment of a kind of leaf spring assembly line of the present invention, below in conjunction with accompanying drawing 1～4 the present invention is described further:

Detailed ways

With reference to accompanying drawing 1: this a kind of leaf spring flow assembly line, comprises assembly bracket 5, frame, clamping assembly and chipping device. The assembly bracket 5 is fixed horizontally, and the vertical assembly bracket 5 is installed with a vertical rack and a horizontal clamping assembly at the middle position of the assembly bracket 5, and a chip device is fixedly installed at both ends of the assembly bracket 5, and the upper plane of the assembly bracket 5 is slidingly installed Multiple sets of preloading trolleys. The multi-leaf reeds 18 are assembled on the chipping devices at the two ends of the assembly bracket 5, and the central bolt is threaded and tightened, preloaded on the middle frame, and the clip bolts are installed on the clamping assembly, and the reeds 18 are corrected and checked. become.

The frame includes two vertically fixed frame columns 1 and a beam 2 supported above the frame column 1. A pressure head 3 that can move up and down is installed at the center of the beam 2, and two vertical pressure legs are arranged at the lower end of the pressure head 3. , the upper end is connected with the output shaft of the hydraulic cylinder through the threaded hole, and the two pressing legs are driven by the hydraulic cylinder to press the two ends of the leaf spring. The supporting head 4 that can move up and down is installed directly below the pressure head 3. The lower end of the leaf spring is supported by the support head 4, and the pressure head 3 is pressed downward to carry out the pre-compression process.

The card loading assembly includes a card loading frame 6, a sprocket group 7, a chain 8 and a reduction motor 9. The card loading frame 6 is horizontally fixed on one side of the assembly bracket 5, and one end is connected with the assembly bracket 5, and the chain 8 is laid flat on the assembly bracket 5. The top of the card frame 6 is engaged with the sprocket wheel set 7 for transmission, and the lower part of the card loading frame 6 is provided with a reduction motor 9 to be connected with the sprocket wheel set 7 . Chain 8 and chain wheel group 7 realize chain sprocket transmission and can drive plate spring to drive forward, and reduction motor 9 can carry out speed regulation. A draw hook 10 is installed on the card loading frame 6 near one end of the assembly support 5, and the draw hook 10 is provided with an upward hook near the assembly support 5 end, and the other end is connected with a hydraulic oil cylinder. Pull hook 10 provides power by hydraulic oil cylinder and leaf spring can be pulled on the chain 8, carries out next step work.

The chipping device includes a center pin 11 and a compression head 12 directly above the center pin 11. The lower end of the center pin 11 is connected to a hydraulic cylinder, and the compression head 12 is supported and fixed on the assembly bracket 5 by a cylinder bracket 13 on one side. The central pin 11 is a straight rod placed vertically, the bottom end of which is connected to the output shaft of the hydraulic cylinder. The central pin 11 can connect multiple reeds 18 in series. After the hydraulic cylinder at the lower end lifts the reeds, the central pin 11 automatically Back out, then thread the center bolt through the center hole of reed 18.

The preloading trolley includes a vehicle frame 14, wheels 15 and support shafts 16. The vehicle frame 14 is slidably supported on the upper plane of the assembly bracket 5 by the wheels 15, and the support shaft 16 is installed on the vehicle frame 14 upper end through corner blocks 17. The support shaft 16 is used to support the reed 18 . There are two groups of pre-pressing trolleys, each group is equipped with two symmetrical ones. Two pre-pressing trolleys work at the same time, can support the reed 18, and transport the assembled multi-leaf reed 18 to the middle frame place.

The working process is as follows:

Step 1: Chip, thread the center bolt and tighten the bolt. Two groups of multi-leaf reeds 18 that need to be assembled into leaf springs are placed on the preloaded trolleys at the two ends of the assembly bracket 5 respectively. Connect multiple reeds 18 in series, after the lower end hydraulic cylinder jacks up the reeds 18, the center pin 11 will withdraw automatically, then insert the center bolt into the center hole of the reeds 18, and the upper end compression head 12 will provide power to compress through the hydraulic cylinder Multi-leaf reed 18, then the worker utilizes the pneumatic wrench to tighten the nut.

The second step: pre-compression process. Move the preloading trolley and drive the leaf spring after the bolts have been threaded to the middle frame. The support head 4 is powered by the hydraulic cylinder to move upward to hold the leaf spring. The pressure head 3 is powered by the hydraulic cylinder to pre-press the leaf spring downward. Complete the pre-compression process.

Step 3: Install the clamp, correct the leaf spring, tighten the center bolt to torque, and check overall. After the pre-compression is completed, the leaf spring is moved to the top of the chain 8 of the clamping assembly through the pull hook 10. The chain 8 and the sprocket group 7 realize the transmission of the chain sprocket to drive the leaf spring forward and finally transport it to the painting line of the assembly. The delivery speed of the spring is adjustable, and during the delivery process, the worker installs the clips, and corrects the leaf spring, tightens the central bolt to the specified torque, and checks the leaf spring. After there is no quality problem, it enters the assembly painting line, and the entire leaf spring is flowing Assembly line work done.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention to other forms. Any skilled person who is familiar with this profession may use the technical content disclosed above to change or modify the equivalent of equivalent changes. Example. However, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims (4)

1. a leaf spring assembly belt, comprise mount support (5) and frame, it is characterized in that: mount support (5) level is fixed, in mount support (5) centre position, support vertical frame is installed, near mount support (5) one sides, the assembly that is installed of horizontal positioned is installed, chip device is installed at mount support (5) two ends, and two groups of precompressed dollies are installed in the upper planar slide of mount support (5);

Frame comprises two vertical fixing framework pillars (1) and is supported on the crossbeam (2) of framework pillar (1) top, and pressure head moving up and down (3) is installed in crossbeam (2) center, and prop head moving up and down (4) is installed under pressure head (3);

The assembly that is installed comprises the frame that is installed (6), chain wheel set (7), chain (8) and reducing motor (9), the frame that is installed (6) is horizontally fixed on mount support (5) one sides, one end is connected with mount support (5), chain (8) is laid in the frame that is installed (6) top the transmission that is meshed with chain wheel set (7), and the below of the frame that is installed (6) one end arranges reducing motor (9) and is connected with chain wheel set (7);

Chip device comprises the compression pressure head (12) directly over centrepin (11) and centrepin (11), centrepin (11) lower end connecting fluid compressing cylinder, and compression pressure head (12) is supported and fixed on mount support (5) by the cylinder bracket (13) of a side;

Precompressed dolly comprises vehicle frame (14), wheel (15) and back shaft (16), and vehicle frame (14) is slidably supported on the upper plane of mount support (5) by wheel (15), and back shaft (16) is installed by hornblock (17) in vehicle frame (14) upper end.

2. a kind of leaf spring assembly belt according to claim 1, is characterized in that: described pressure head (3) lower end arranges two vertical leg pressings, and upper end is connected with hydraulic jack output shaft by screwed hole.

3. a kind of leaf spring assembly belt according to claim 1, it is characterized in that: the described frame that is installed (6) is installed drag hook (10) near the top, one end of mount support (5), drag hook (10) is provided with near mount support (5) one end the hook being directed upwardly, and the other end is connected with hydraulic jack.

4. a kind of leaf spring assembly belt according to claim 1, is characterized in that: described centrepin (11) is a straight-bar of vertically placing, and bottom is connected on the output shaft of hydraulic jack.