Line balance weight elevator device based on car lamp assembly

Abstract

The utility model relates to the technical field of vehicle lamp assembly, in particular to a line body counterweight lifter device based on vehicle lamp assembly, which comprises a rack, a ball screw transmission structure, a lifting platform structure and a counterweight chain wheel structure, the ball screw transmission structure comprises a ball screw vertically arranged on the machine frame and a ball screw connecting base arranged on the ball screw in a matched mode, and a platform deck plate of the lifting platform structure is fixed to the ball screw connecting base and arranged on the front face of the machine frame. The balance weight chain wheel structure comprises a guide wheel and a chain, the guide wheel is rotatably assembled on the rack, the chain is matched with the guide wheel, one end of the chain is arranged on the front face of the rack and connected to the lifting platform structure, and the other end of the chain is arranged on the back face of the rack and provided with a balance weight block. The technical problem that in the prior art, a lifting motor of a chain wheel lifting device used for carrying lamps is greatly impacted is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lamp assembly, in particular to a linear counterweight lifting device based on vehicle lamp assembly. Background Art

[0002] With the rapid changes of the times, my country's traditional machinery and industrial manufacturing are rapidly developing towards automation, intelligence and miniaturization. The times are changing and technology is innovating. In order to better meet customer needs, control project costs and improve the degree of automation, we urgently need to design automation devices.

[0003] In the field of automotive lamp assembly, the current level of assembly automation is relatively low. Due to the long length of some automotive rear through-lights and front grille lights and the heavy weight of the entire lamp, manual handling of lamp materials is not only costly but also inefficient, especially when transporting across processes in the height direction, which is extremely difficult. A simple sprocket lifting device will have a large impact on the lifting motor, affecting the stability of the lifting device. Utility Model Content

[0004] In order to solve the technical problem in the prior art that the lifting motor of the sprocket lifting device used to transport lamps may be subjected to a large impact, the present application proposes a linear counterweight lifting device based on the assembly of vehicle lamps to solve the above technical problem.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] The utility model provides a linear counterweight lifting device based on vehicle lamp assembly, comprising: a frame; a ball screw transmission structure, the ball screw transmission structure comprising a ball screw vertically arranged on the frame and a ball screw connecting seat matched with the ball screw; a lifting platform structure, the platform table panel of the lifting platform structure is fixed on the ball screw connecting seat and is arranged on the front side of the frame; a counterweight sprocket structure, the counterweight sprocket structure comprises a guide wheel rotatably mounted on the frame and a chain matched with the guide wheel, one end of the chain is arranged on the front side of the frame and connected to the lifting platform structure, and the other end of the chain is arranged on the back side of the frame and is provided with a counterweight block.

[0007] Furthermore, a buffer is arranged on the frame, and the buffer is mounted on the upper limit position of the platform deck of the lifting platform structure to buffer the platform deck.

[0008] Furthermore, the ball screw transmission structure includes a servo motor arranged on the top of the frame, and the servo motor drives the ball screw through a coupling.

[0009] Furthermore, the lifting platform structure also includes a linear guide rail assembly, a guide rail body of the linear guide rail assembly is vertically fixed on the frame, and a slider of the linear guide rail assembly is fixed to a platform table panel of the lifting platform structure.

[0010] Furthermore, the counterweight sprocket structure is fixed to a guide sprocket seat on the top of the frame, and one guide wheel is respectively arranged on the guide sprocket seat near the front and back of the frame.

[0011] Furthermore, two groups of the counterweight sprocket structures are arranged on the frame.

[0012] Based on the above technical solution, the technical effects that can be achieved by the utility model are:

[0013] The utility model discloses a linear counterweight lifting device based on the assembly of vehicle lamps, which utilizes the ball screw of the ball screw transmission structure to convert the rotation of the ball screw into the up and down linear motion of the platform panel of the lifting platform structure, and at the same time, cooperates with the counterweight sprocket structure to utilize the counterweight block to balance the weight of the lamp to be transported, which can balance the transmission force of the ball screw of the ball screw transmission structure on the one hand, and more importantly, adjust the weight of the counterweight block to be slightly heavier than the weight of the lamp to be transported, so that the torque value required by the motor driving the ball screw becomes smaller, reducing the impact on the motor, thereby solving the technical problem that the lifting motor of the sprocket lifting device used for transporting lamps in the prior art will be subjected to a large impact;

[0014] The utility model provides a linear counterweight lifting device based on vehicle lamp assembly, and a quick-change structure is configured on the platform panel of the lifting platform structure, which can ensure the structural universality of different lamp products;

[0015] The utility model is based on the assembly of the headlight line weight lifting device, the lifting guide adopts the form of combining the linear guide rail and the buffer structure, which ensures the lifting height and reduces the buffer force of the lifting device;

[0016] The utility model is based on the assembly of the light of the line body counterweight lifting device, the lifting power adopts the servo motor to drive the ball screw transmission, the ball screw is the most commonly used transmission element in tool machinery and precision machinery, the main function is to convert the rotary motion into linear motion, the servo motor and the ball screw are combined, so that the lifting device has the characteristics of high precision, reversibility and high efficiency;

[0017] The utility model discloses a linear counterweight lifting device based on vehicle lamp assembly, which utilizes a counterweight sprocket structure during lifting, thereby reducing the impact on the lifting motor and extending the service life of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a schematic diagram of the overall structure of the wire counterweight lifting device based on the vehicle lamp assembly of the utility model;

[0019] Figure 2 It is a schematic diagram of the lifting platform structure of the linear counterweight lifting device based on the assembly of vehicle lights of the utility model;

[0020] Figure 3 It is a schematic diagram of the ball screw transmission structure of the linear counterweight lifting device based on the lamp assembly of the utility model;

[0021] Figure 4 It is a schematic diagram of the counterweight sprocket structure of the linear counterweight lifting device based on the vehicle lamp assembly of the utility model.

[0022] Among them: 1-frame, 11-buffer, 12-hard limit standard screw, 13-buffer limit structure mounting seat, 14-chemical expansion bolt;

[0023] 2-lifting platform structure, 21-platform table panel, 22-platform connecting plate, 23-reinforcement ribs, 24-platform load-bearing sheet metal, 25-linear guide assembly;

[0024] 3-ball screw transmission structure, 31-ball screw, 32-ball screw connecting seat, 33-ball screw mounting seat, 34-servo motor, 35-coupling, 36-servo motor connecting seat, 37-linear bearing;

[0025] 4-counterweight sprocket structure, 41-guide wheel, 42-deep groove ball bearing, 43-shaft and shaft spacer, 44-connecting hook, 45-counterweight hook, 46-counterweight block, 47-chain, 48-guide sprocket seat, 49-elastic retaining ring for shaft. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0027] like Figure 1-4As shown, the overall structure of the line counterweight lifting device based on the headlight assembly of the utility model mainly includes a frame 1, a ball screw transmission structure 3, a lifting platform structure 2 and a counterweight sprocket structure 4. The frame 1 is locked at a specific position of the headlight assembly production line by a chemical expansion bolt 14. The frame 1 is welded from steel plates, and the structure is strong and reliable, which plays the function of positioning and connecting the remaining structures. The lifting platform structure 2 is also a welded part. The machined surfaces and holes on the lifting platform structure 2 are processed after welding to ensure accuracy. It is locked to the frame 1 to ensure the lifting height and reduce the buffer during lifting. Force, wherein the buffer 11 is locked to the frame 1 through a combination of a hard limit standard screw 12 and a buffer limit structure mounting seat 13 to ensure the lifting height and reduce the buffer force during lifting. The counterweight sprocket structure 4 is locked to the frame 1 and connected to the lifting platform structure 2 to reduce the impact on the lifting motor and extend the service life of the motor. The upper and lower ends of the ball screw transmission structure 3 are respectively locked to the upper and lower ends of the frame 1, and the middle end of the ball screw transmission structure 3 is locked to the lifting platform structure 2. The ball screw 31 is driven by the servo motor 34 to perform up and down linear motion.

[0028] like Figure 2 As shown, the lifting platform structure 2 is mainly composed of a linear guide rail assembly 25, a platform connecting plate 22, a reinforcing rib 23, a platform table panel 21 and a platform load-bearing sheet metal 24, wherein the linear guide rail assembly 25 includes a guide rail body and a slider, the guide rail body is locked on the frame 1, and the slider is locked on the platform connecting plate 22 to provide guidance for linear movement, wherein the platform connecting plate 22, the reinforcing rib 23, the platform table panel 21 and the platform load-bearing sheet metal 24 are welded as a whole, and the processed surfaces and holes are processed after welding to ensure accuracy, and the reinforcing rib 23 is fixed at the connection between the platform connecting plate 22 and the platform table panel 21 to ensure the stability of the structure.

[0029] like Figure 3 As shown, the ball screw transmission structure 3 is mainly composed of a servo motor 34, a coupling 35, a servo motor 34 connecting seat, a linear bearing 37, a ball screw 31, a ball screw connecting seat 32 and a ball screw mounting seat 33, wherein the servo motor 34 is locked to the frame 1 through the servo motor 34 connecting seat, and is assembled and connected with the ball screw 31 through the coupling 35 and the linear bearing 37 to ensure the coaxiality of the servo motor 34 and the ball screw 31 and reduce transmission energy consumption. The key at the front end of the servo motor 34 is connected to the keyway on the coupling 35, and the linear bearing 37 is locked to the top of the frame 1, wherein the ball screw connecting seat 32 cooperates with the ball screw 31 to realize linear motion in the vertical direction, and the ball screw connecting seat 32 is locked to the lifting platform structure 2 to realize the function of connecting the platform table panel 21, wherein the ball screw mounting seat 33 is locked to the frame 1 to play the role of fixing the ball screw transmission structure 3.

[0030] like Figure 4 As shown, the counterweight sprocket structure 4 includes a guide wheel 41, a deep groove ball bearing 42, a shaft and shaft spacer 43, a connecting hook 44, a counterweight hook 45, a counterweight block 46, a chain 47, a guide sprocket seat 48 and an elastic retaining ring 49 for the shaft. The guide sprocket seat 48 is locked to the lifting platform structure 2 to fix the entire counterweight sprocket structure 4. The guide wheel 41 and the deep groove ball shaft are assembled through an interference fit, and then clamped on the guide sprocket seat 48 through the shaft and shaft spacer 43 and the elastic retaining ring 49 for the shaft. One end of the connecting hook 44 is locked to the lifting platform structure 2, and the other end is connected to the chain 47 with a pin. One end of the counterweight hook 45 is locked to the counterweight block 46, and the other end is connected to the chain 47 with a pin. Finally, the chain 47 is placed in the slot of the guide wheel 41 to realize the manual counterweight function of the sprocket.

[0031] The process of the utility model scheme is as follows: first, the tooling of the corresponding product is switched on the platform table panel 21 of the lifting platform structure 2, which can be used to match the positioning and lifting of different lighting products; then, based on the lifting platform structure 2 and the lighting products placed on it, manual weighting is performed through the counterweight block 46 at the rear end of the counterweight sprocket structure 4, and the gravity of the counterweight block 46 can be converted into kinetic energy for the lifting and lowering of the platform table panel 21, reducing the impact on the lifting motor and extending the service life of the motor; then the PLC program gives a feedback signal to the servo motor 34, and the servo motor 34 starts to drive the ball screw 31 to transmit, realizing the automatic lifting function.

[0032] The difference between the linear counterweight lifting device based on the assembly of vehicle lights of the utility model and the prior art is that, firstly, the utility model is applicable to the technical field of automatic assembly of vehicle lighting products, and the lifting guide of the utility model adopts the combination of linear guide rail and buffer structure to ensure the lifting height and reduce the buffer force of the lifting device; and integrates the transmission mode of servo motor 34 and ball screw 31, and designs the counterweight sprocket structure 4, which prolongs the service life of the motor while ensuring the accuracy, and effectively solves the problems of long manual handling cycle and high labor cost, which has profound research significance.

[0033] It should be understood that the specific embodiments described above are only used to explain the present invention, and are not used to limit the present invention. Obvious changes or modifications derived from the spirit of the present invention are still within the scope of protection of the present invention.

Claims

1. A linear counterweight lifting device based on vehicle lamp assembly, characterized in that: include: Rack (1); A ball screw transmission structure (3), the ball screw transmission structure (3) comprising a ball screw (31) vertically arranged on the frame (1) and a ball screw connecting seat (32) matched with the ball screw (31); A lifting platform structure (2), wherein a platform panel (21) of the lifting platform structure (2) is fixed on the ball screw connecting seat (32) and is arranged on the front side of the frame (1); A counterweight sprocket structure (4), the counterweight sprocket structure (4) comprising a guide wheel (41) rotatably mounted on the frame (1) and a chain (47) engaged with the guide wheel (41), one end of the chain (47) being arranged on the front of the frame (1) and connected to the lifting platform structure (2), and the other end of the chain (47) being arranged on the back of the frame (1) and being provided with a counterweight block (46).

2. The line weight lifting device based on vehicle lamp assembly according to claim 1 is characterized in that: The frame (1) is provided with a buffer (11), and the buffer (11) is assembled at the upper limit position of the platform panel (21) of the lifting platform structure (2) to buffer the platform panel (21).

3. The line weight lifting device based on vehicle lamp assembly according to claim 1 is characterized in that: The ball screw transmission structure (3) comprises a servo motor (34) arranged on the top of the frame (1), and the servo motor (34) drives the ball screw (31) via a coupling (35).

4. The line weight lifting device based on vehicle lamp assembly according to claim 1 is characterized in that: The lifting platform structure (2) also includes a linear guide rail assembly (25), the guide rail body of the linear guide rail assembly (25) is vertically fixed on the frame (1), and the slider of the linear guide rail assembly (25) is fixed to the platform table panel (21) of the lifting platform structure (2).

5. The line counterweight lifting device based on vehicle lamp assembly according to claim 1 is characterized in that: The counterweight sprocket structure (4) is fixed to a guide sprocket seat (48) at the top of the frame (1), and one guide wheel (41) is respectively arranged on the guide sprocket seat (48) at the front and back sides close to the frame (1).

6. The linear counterweight lifting device based on vehicle lamp assembly according to claim 1, characterized in that: The frame (1) is provided with two sets of counterweight sprocket structures (4).

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