A variable pitch production coating accumulation chain system

Abstract

This invention discloses a variable pitch production coating accumulation chain system, relating to the field of coating production line technology. The system includes the following steps: First, a trolley group moves to a stop position driven by the conveyor chain and is blocked by the stop; second, an identification device scans the vehicle model information on the white body barcode suspended on the hanger; third, based on the vehicle model information obtained by the identification device, the accumulation chain device's control switch controls the timing of the stop releasing the trolley group according to the distance between the hanger and the previous hanger; fourth, after the control switch triggers the stop to open, the hanger advances into the accumulation chain device driven by a friction drive device, and the accumulation chain device drives the entire hanger to complete subsequent processes. This solves the problem that existing production coating accumulation chains cannot adjust the spacing between trolleys according to vehicle size when dealing with different models, and cannot rationally and effectively utilize energy.

Description

Technical Field

[0001] This invention relates to the field of coating production line technology, and in particular to a variable pitch coating accumulation chain system. Background Technology

[0002] Painting stacking chains are generally used in the pretreatment electrophoresis process area and mainly consist of several parts: a track, a chain, pushers, and large C-shaped lifting devices. The chain runs along a fixed trajectory, the track is installed according to the trajectory, and the pushers are evenly distributed according to the size of the largest vehicle model. Driven by the pushers, the lifting devices pass through each process tank at a uniform speed according to specific process time requirements.

[0003] In the production process, the spacing between vehicles is fixed, and the production efficiency per unit time is also fixed. This is called fixed-pitch production, which is suitable for production modes with a small number of models and large batches. As product development lines become more diverse, the types of models increase, and the differences in vehicle size become more significant, fixed-pitch production cannot be effectively adjusted according to vehicle size. For the mass production of small vehicles, it cannot make rational and efficient use of energy and improve production efficiency.

[0004] Therefore, a variable pitch production coating stacking chain system is needed. Summary of the Invention

[0005] To address the above shortcomings, this invention provides a variable pitch production painting accumulation chain system, which solves the problem that existing production painting accumulation chains cannot adjust the spacing between vehicles according to vehicle size, and thus cannot efficiently utilize energy. The specific technical solution is as follows:

[0006] A variable pitch production coating stacking chain system includes:

[0007] The first step is to fix both ends of the spreader with trolleys. The trolleys move on the support rails and are stopped by the stop when they are driven by the conveyor chain.

[0008] The second step involves the identification device scanning the barcode on the white body suspended on the hanger to identify the vehicle model information and then binding the information to the hanger.

[0009] The third step is that the accumulation chain device determines the distance between the spreader in front of the stopper and the previous spreader based on the vehicle type information obtained by the identification device. At the same time, the control switch on the accumulation chain device controls the timing of the stopper releasing the trolley group based on the distance between the spreader and the previous spreader.

[0010] Fourth, after the control switch triggers the stop to open, the spreader moves forward into the accumulating chain device under the drive of the friction drive device. The accumulating chain device drives the chain pusher to move forward at a constant speed until the chain pusher engages with the trolley group. Driven by the chain pusher, the trolley group follows the chain and moves, thereby driving the entire spreader to complete the subsequent process, while ensuring that a reasonable distance is maintained between the spreader and the previous spreader.

[0011] Preferably, the accumulating chain device includes a traction rail, a chain, a chain support wheel, and chain pushers. The chain support wheel travels in the traction rail, is fixedly connected to the chain, and drives the chain to move. The chain pusher array is fixedly installed on the chain.

[0012] Preferably, the spacing between the chain pushers is equal to the length of ten chain links.

[0013] Preferably, the lifting device consists of a two-link structure.

[0014] Preferably, the trolley assembly is provided with an engagement mechanism that cooperates with the chain pusher. When the trolley assembly engages with the chain pusher, the engagement mechanism will make a stable connection between the trolley assembly and the chain pusher.

[0015] Preferably, the chain pusher passes through the control switch every 40 seconds, sending a pulse signal to the control switch to verify whether the lifting device and the chain have been successfully connected, and whether the lifting device runs synchronously with the chain, thereby determining whether the stop device has been opened.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. This invention, by arraying chain pushers on the chain, allows for the use of chain pushers with different spacings to drive the lifting device according to the vehicle model. This ensures reasonable spacing between the lifting devices while fully utilizing the space resources of the painting production line, improving production efficiency, and reducing production costs.

[0018] 2. The spacing between the chain pushers of this invention is 10 link lengths. These 10 link lengths are a common factor of the lengths of various body-in-white models. Therefore, the chain pushers of this invention can make good use of the space resources of the painting production line when facing different body-in-white models at the same time during the production process, thereby improving production efficiency and reducing production costs. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0020] Figure 1 This is a schematic diagram of the system flow of the present invention;

[0021] Figure 2 This is a system structure layout diagram of the present invention;

[0022] Figure 3 This is a schematic diagram of the accumulation chain device of the present invention;

[0023] Figure 4 This is a schematic diagram illustrating the optimized working state of the production line according to the present invention.

[0024] 1. Lifting device; 2. Trolley assembly; 3. Loading rail; 4. Stopper; 5. Identification device; 6. Control switch; 7. Accumulating chain device; 8. Chain; 9. Chain pusher; 10. Traction rail; 11. Chain support wheel; 12. Friction drive device. Detailed Implementation

[0025] 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. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0026] refer to Figures 1 to 4 The chain pusher 9 is fixedly installed on the chain 8. The chain pusher 9 is spaced 10 links apart, and each link is generally 153.2mm long, so the spacing between the chain pushers 9 is 1532mm. A meshing mechanism can be installed on the trolley group 2 at the position where it meshes with the chain pusher 9 to prevent the trolley group 2 from detaching from the chain pusher 9 due to inertia when the chain 8 stops moving due to special reasons other than power failure, thus avoiding the problem of the two lifting devices 1 colliding. In order to increase space utilization, the lifting device 1 of the present invention is made of a double-link structure. Compared with the existing lifting device 1, it reduces one link used to prevent the white body of the lifting devices 1 from colliding. A variable pitch production painting and stacking chain system is used to control and prevent the white body of the lifting devices 1 from colliding, thereby increasing the flexibility of the variable pitch production painting and stacking chain system, so that the spacing between the lifting devices 1 can be flexibly adjusted.

[0027] The chain pusher 9 passes through the control switch 6 every 40 seconds, sending a pulse signal to the control switch 6 to check whether the lifting device 1 and the chain 8 have been successfully connected, whether the lifting device 1 runs synchronously with the chain 8, and thus determine whether the stopper 4 has been opened.

[0028] The two ends of the spreader 1 are fixed by trolley groups 2. Trolley groups 2 move on the support rail 3 and are stopped by the stop 4 under the drive of the conveyor chain. The identification device 5 scans the vehicle body barcode suspended on the spreader 1 to identify the vehicle type and binds the information to the spreader 1. If the identification device 5 determines that the vehicle body is a small car with a length less than 4 meters, the spacing between the spreader 1 units needs to be 4.596 meters, which is the spacing between three chain pushers 9. Therefore, the control switch 6 will open after 120 seconds, allowing trolley groups 2 to enter the accumulation chain device 7. If the identification device 5 determines that the vehicle body is a large car with a length greater than 4 meters, the spacing between the spreader 1 units needs to be 6.128 meters, which is the spacing between four chain pushers 9. Therefore, the control switch 6 will open after 160 seconds, allowing trolley groups 2 to enter the accumulation chain device 7.

[0029] After the control switch 6 triggers the stopper 4 to open, the lifting device 1 moves forward into the accumulating chain device 7 under the drive of the friction drive device 12. The accumulating chain device 7 drives the chain pusher 9 to move forward at a constant speed until the chain pusher 9 meshes with the trolley group 2. Under the drive of the chain pusher 9, the trolley group 2 moves with the chain 8, thereby driving the entire lifting device 1 to run, so as to complete the subsequent process, while ensuring that the lifting device 1 maintains a reasonable distance from the previous lifting device 1.

[0030] In summary, while maintaining the overall throughput capacity of the production line, the production cycle of this invention can be automatically adjusted according to the size of the vehicle model, while the process time for each model remains constant. For example, a production line that originally operated at 20 JPH can increase its production cycle by 10 JPH through this technological innovation, meaning an additional 10 vehicles can be produced per hour. This correspondingly eliminates various forms of energy waste due to waiting time and improves production efficiency.

[0031] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A variable pitch production painting flow line system, characterized by, include: First, the two ends of the lifting device (1) are fixed by the trolley group (2). The trolley group (2) moves on the bearing rail (3). The trolley group (2) moves to the position of the stopper (4) under the drive of the conveyor chain and is blocked by the stopper (4). The second step is that the identification device (5) identifies the vehicle model information by scanning the barcode of the white body suspended on the hanger (1) and binds the information to the hanger (1); The third step is that the accumulation chain device (7) determines the distance between the lifting device (1) in front of the stopper (4) and the previous lifting device (1) based on the vehicle model information obtained by the identification device (5). At the same time, the control switch (6) on the accumulation chain device (7) controls the timing of the stopper (4) to release the trolley group (2) based on the distance between the lifting device (1) and the previous lifting device (1), combined with the length corresponding to different vehicle models and the pulse signal of the chain pusher (9), and tracks the running position in real time. In the fourth step, after the control switch (6) triggers the stopper (4) to open, the lifting device (1) moves forward into the accumulating chain device (7) under the drive of the friction drive device (12). The accumulating chain device (7) drives the chain pusher (9) to move forward at a constant speed until the chain pusher (9) meshes with the trolley group (2). Under the drive of the chain pusher (9), the trolley group (2) moves with the chain (8), thereby driving the entire lifting device (1) to run, so as to complete the subsequent process, while ensuring that the lifting device (1) maintains a reasonable distance from the previous lifting device (1). The chain pusher (9) passes through the control switch (6) every 40 seconds, giving the control switch (6) a pulse signal to check whether the lifting device (1) and the chain (8) are successfully connected, and whether the lifting device (1) runs synchronously with the chain (8), thereby determining whether the stopper (4) is opened.

2. A variable pitch production paint flow line system according to claim 1, wherein, The accumulating chain device (7) includes a traction rail (10), a chain (8), a chain support wheel (11), and a chain pusher (9). The chain support wheel (11) travels in the traction rail (10). The chain support wheel (11) is fixedly connected to the chain (8) and drives the chain (8) to move. The chain pusher (9) array is fixedly installed on the chain (8).

3. The variable pitch production coating accumulation chain system according to claim 2, characterized in that, The spacing between the chain pushers (9) is equal to the length of ten chain links.

4. The variable pitch production coating accumulation chain system according to claim 1, characterized in that, The lifting device (1) consists of a two-link structure.

5. A variable pitch production coating accumulation chain system according to claim 1, characterized in that, The trolley assembly (2) is provided with a meshing mechanism that cooperates with the chain pusher (9). When the trolley assembly (2) meshes with the chain pusher (9), the meshing mechanism will make a stable connection between the trolley assembly (2) and the chain pusher (9).

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