Adhesive coating device for automobile door trim

Abstract

The automobile door trim adhesive coating device comprises a rack, a placing unit, a coating unit and a cleaning unit, the rack is used for installing and fixing the placing unit, the coating unit and the cleaning unit, the placing unit is used for clamping an automobile door trim and moving the automobile door trim in the vertical direction, and the coating unit is used for spraying an adhesive on the door trim. The cleaning unit is used for cleaning impurities and dust on the door trim, after a worker places the door trim to be sprayed on the placing unit, the door trim is clamped and driven to move up and down to be matched with the coating unit for spraying, and then the surface of the door trim is cleaned through the cleaning unit. And dust is prevented from being attached to the surface of the door trim to influence the coating quality, and the coating unit uniformly coats the door trim in the front-back moving process, so that the coating quality of the automobile door trim is jointly improved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile door trim production and processing, and in particular to an automobile door trim adhesive coating device. Background Art

[0002] With the rapid development of the automobile industry, the aesthetics, durability and functionality of automobile door trims, as an important part of automobile interior, are increasingly valued. In the manufacturing process of automobile door trims, the coating of adhesive is one of the key steps, which directly affects the bonding strength, appearance quality and service life of the door trims and door frames.

[0003] However, there are still some challenges in the coating uniformity of the adhesive coating devices for automotive door trim panels currently on the market. On the one hand, due to the complex and diverse shapes and structures of automotive door trim panels, different door trim panels have different requirements for adhesive coating, which requires the coating device to have high adaptability and flexibility.

[0004] Traditional methods of applying adhesive to automotive door trim panels are mostly done manually or with simple mechanical equipment, which has many shortcomings. First, when applying adhesive manually, it is often difficult to ensure uniformity of application due to different skill levels and operating habits of operators, resulting in poor bonding between the door trim panel and the door frame, and prone to problems such as bubbles and debonding. Second, although simple mechanical equipment can improve coating efficiency to a certain extent, it is also difficult to achieve high-precision uniform coating due to the limitations of equipment accuracy and coating control technology. Summary of the invention

[0005] The object of the present invention is to provide an adhesive coating device for automobile door trim panels to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] The automobile door trim adhesive coating device includes a frame, a placement unit, a coating unit and a cleaning unit. The frame is placed on a horizontal ground, the placement unit is fixedly connected to the frame, the placement unit is fixedly connected to the cleaning unit, the coating unit is fixedly connected to the frame, the coating unit has the function of uniformly coating the automobile door trim, and the cleaning unit is fixedly connected to the coating unit.

[0008] The rack is used to install and fix the placement unit, the coating unit and the cleaning unit. The placement unit is used for clamping and moving the automobile door trim panel in the up and down directions. The coating unit is used for spraying adhesive on the door trim panel. The cleaning unit is used to clean impurities and dust on the door trim panel. When the staff places the door trim panel to be sprayed on the placement unit, the door trim panel is clamped and driven to move up and down to cooperate with the coating unit for spraying. The surface of the door trim panel is then cleaned by the cleaning unit to prevent dust from adhering to the surface of the door trim panel and affecting the coating quality. The coating unit then evenly coats the door trim panel during the forward and backward movement, thereby jointly improving the coating quality of the automobile door trim panel.

[0009] Furthermore, the placement unit includes a motor 1, a telescopic shaft, a lifting plate, a clamping frame, a spring and a clamping block. The motor 1 is fixedly installed on the surface of one end of the frame close to the horizontal ground, and the motor 1 is electrically connected to an external controller. One end of the telescopic shaft is fixedly connected to the output end of the motor 1, and the other end of the telescopic shaft is fixedly connected to the lifting plate. The frame is provided with a through groove away from the horizontal ground, and the lifting plate is slidably installed in the through groove provided in the frame. The clamping frame has two groups, one group of which is fixedly installed on two end surfaces of the frame perpendicular to the horizontal ground, and the other group of which is fixedly connected to the cleaning unit. A rectangular notch is provided on the surface of the clamping frame, and the open end of the clamping frame is fixedly connected to the frame. One end of the spring is vertically fixedly installed on the inner surface of the clamping frame parallel to the lifting plate, and a clamping block is installed on the other end of the spring.

[0010] When the staff inserts the car door trim into the clamping frame below, the door trim pushes the clamping block to move and squeeze the spring in turn until the bottom of the door trim contacts the lifting plate, thereby completing the clamping and fixing action of the door trim. At this time, the controller controls the motor to start, thereby driving the telescopic shaft to extend and lift the lifting plate, thereby slowly lifting the door trim until the door trim enters the clamping frame above. During this process, the door trim pushes the clamping block to squeeze the spring, and under the action of the restoring force of the springs on both sides, the clamping block is pushed to clamp the door trim until the door trim is separated from the clamping frame below, thereby improving the stability of the door trim movement.

[0011] Furthermore, the coating unit includes a second motor, a telescopic rod, a moving block, a fixed platform, a spray gun, an anti-drip plate, a distance sensor, a telescopic spring, a round rod, a pulley, a rotating rod, a connecting column and a memory metal spring. The second motor is fixedly mounted on the surface of one end of the frame away from the horizontal ground, the second motor is electrically connected to an external controller, one end of the telescopic rod is fixedly connected to the output end of the second motor, the other end of the telescopic rod is fixedly connected to the moving block, the moving block is slidably mounted on the surface of one end of the frame away from the horizontal ground, the fixed platform is fixedly mounted on the surface of one end of the moving block away from the frame, one end of the rotating rod is rotatably connected to the surface of one end of the fixed platform away from the frame, one end of the rotating rod is fixedly connected to the surface of one end of the anti-drip plate close to the frame, the spray gun is fixedly mounted on the surface of one end of the anti-drip plate away from the frame, and the inside of the fixed platform is close to the spray gun end A small cavity is opened, and the distance sensor is fixedly installed on the side surface of the internal small cavity, one end of the telescopic spring is fixedly connected to the side wall of the small cavity inside the fixed platform, the other end of the telescopic spring is fixedly connected to one end of the round rod, the other end of the round rod extends out of the small cavity inside the fixed platform and is rotatably connected to the pulley, the round rod is slidably connected to the fixed platform, an arc groove is opened on the surface of one end of the fixed platform away from the frame, one end of the memory metal spring is fixedly installed on the side wall of the arc groove opened on the surface of the fixed platform, the other end of the memory metal spring is fixedly connected to one end of the connecting column, the other end of the connecting column is fixedly connected to the surface of the anti-drip plate close to the frame, the connecting column is slidably connected to the arc groove opened on the surface of the fixed platform, a large cavity is opened inside the end of the fixed platform close to the frame, and the large cavity opened on the fixed platform is fixedly connected to the cleaning unit.

[0012] While the placement unit lifts the door trim panel, the controller controls motor 2 to start, driving the telescopic rod to retract, thereby driving the movable block and the fixed block to move synchronously, so that the spray gun moves from back to front. At this time, the controller controls the spray gun to start spraying the door trim panel. The pulley contacts the door trim panel. When the telescopic rod retracts, the pulley slides on the surface of the door trim panel. When the pulley slides from the plane of the door trim panel to the recessed surface, the telescopic spring pushes the round rod and the pulley to move toward the recessed part of the door trim panel, so that the pulley is always in contact with the surface of the door trim panel. At this time, the distance sensor detects that the distance between the end of the round rod without the pulley and the distance sensor gradually increases, and feedback is given to the controller. The controller supplies current to the memory metal spring on the right, causing the memory metal spring on the right to heat up and expand, thereby pushing the connecting column to rotate to the left arc groove and compressing the memory metal spring on the left. At this time Under the action of the connecting column, the anti-drip plate and the spray gun are driven to rotate synchronously around the rotating rod, so that the side of the recessed part is sprayed to avoid the recessed part being not sprayed, which affects the uniformity of spraying of the door trim panel. When the pulley slides from the plane of the door trim panel to the raised surface, the round rod and the pulley squeeze the telescopic spring to contract. At this time, the distance sensor detects that the distance between the end of the round rod without the pulley and the distance sensor is gradually decreasing, and feedback is given to the controller. The controller supplies current to the left memory metal spring to make the left memory metal spring heat up and expand, thereby pushing the connecting column to rotate toward the right arc groove and compressing the right memory metal spring. At this time, under the action of the connecting column, the anti-drip plate and the spray gun are driven to rotate synchronously around the rotating rod, so that the side of the raised part is sprayed to avoid the raised part being not sprayed, which affects the uniformity of spraying of the door trim panel, thereby jointly improving the coating uniformity of the door trim panel.

[0013] Furthermore, the cleaning unit includes a double-headed motor, a brush, a transmission rod, fan blades, a support frame 1, a support frame 2 and a cross frame, the double-headed motor is fixedly connected to a large cavity opened inside the fixed table, the output end of the double-headed motor close to the placement unit is fixedly connected to one end of the brush, the double-headed motor is electrically connected to an external controller, the output end of the double-headed motor away from the placement unit is fixedly connected to one end of the transmission rod, the other end of the transmission rod is fixedly connected to the fan blades, the support frame 1 is connected to the side surface of the fixed table close to the fan blades through a pipeline, one end of the support frame 1 is vertically fixedly mounted on the surface of the end of the frame away from the horizontal ground, the other end of the support frame 1 is vertically fixedly connected to the inside of the cross frame close to the double-headed motor, one end of the support frame 2 is vertically fixedly mounted on the surface of the end of the frame away from the horizontal ground, the other end of the support frame 2 is vertically fixedly mounted on the surface of the end of the cross frame away from the double-headed motor, and both ends of the cross frame are fixedly connected to the opening ends of another group of clamping frames.

[0014] Before the coating unit starts coating, the controller controls the double-headed motor to start, thereby driving the brush to rotate to remove dust and impurities on the surface of the door trim panel to be coated. At the same time, the double-headed motor drives the transmission rod to rotate, thereby driving the fan blades to rotate to blow air. At this time, the wind enters the interior of the support frame and is transported to the cross frame to blow off the dust attached to the surface of the door trim panel, thereby jointly cleaning the surface of the door trim panel and avoiding the dust from affecting the uniformity of the coating of the door trim panel, thereby jointly improving the uniformity of the coating of the door trim panel.

[0015] Furthermore, the two groups of clamping blocks are symmetrically fixedly connected to the spring along the horizontal axis, and the shape of the clamping blocks is set to be a right-angled trapezoid.

[0016] In order to facilitate the insertion of the door trim panel into the clamping frame below and to facilitate the door trim panel to be more easily clamped by the clamping block above during the upward movement, the work efficiency is improved while avoiding damage to the surface of the door trim panel.

[0017] Furthermore, the interior of the support frame is a hollow structure.

[0018] In order to facilitate the fan blades to generate airflow and transmit it to the cross frame, the surface of the door trim is cleaned secondary to prevent dust from affecting the uniformity of the door trim coating.

[0019] Furthermore, the interior of the cross frame is a hollow structure, and a plurality of groups of nozzles are provided on the surface of one end of the cross frame close to the frame. The nozzles are at 45 degrees to the horizontal axis and are inclined downward.

[0020] The nozzle on the horizontal frame is set at 45 degrees to the horizontal axis and tilted downward to avoid the horizontal frame nozzle blowing vertically downward, which causes dust to be scattered everywhere and finally stay on the frame and re-attach to the door trim. The cleanliness of the desktop and the uniformity of the door trim coating are improved. The nozzle design tilted at a 45-degree angle can reduce wind resistance and friction with the surrounding air, and can produce the same airflow effect with less energy, thereby improving energy efficiency.

[0021] Furthermore, the spray gun is electrically connected to an external controller, the distance sensor is electrically connected to the external controller, and the memory metal spring is electrically connected to the external controller.

[0022] In order to achieve automatic control and timely response, reduce the waste of human resources and enable the distance sensor to quickly feed back to the controller when it detects the change in the displacement of the round rod, the controller promptly transmits current to the memory metal spring to make it heat up and expand, thereby changing the spray angle of the spray gun, thereby improving the coating uniformity of the door trim.

[0023] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: the present invention completes the clamping of the door trim by moving the clamping block in the placement unit and compressing the spring until the bottom of the door trim contacts the lifting plate, and at the same time, the lifting plate is lifted to slowly lift the door trim until the door trim enters the upper clamping frame. In the process, the door trim pushes the clamping block to compress the spring, and the restoring force of the springs on both sides pushes the clamping block to clamp the door trim, thereby improving the stability of the movement of the door trim;

[0024] In the present invention, when the pulley in the coating unit slides from the plane of the door trim panel to the uneven part, the distance between the distance sensor and the round rod changes, and the distance is fed back to the controller. The controller passes current to the memory metal spring to make it heat up and expand, thereby pushing the connecting column to drive the spray gun to rotate, so as to spray the side of the uneven part, thereby improving the uniformity of spraying the door trim panel.

[0025] The present invention removes dust and impurities on the surface of the door trim panel to be coated by rotating the brush in the cleaning unit, and at the same time, the fan blades rotate to blow air. At this time, the wind enters the interior of the support frame and is transported to the cross frame to blow off the dust attached to the surface of the door trim panel, thereby jointly cleaning the surface of the door trim panel, avoiding the influence of dust on the uniformity of the coating of the door trim panel, and thus improving the uniformity of the coating of the door trim panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0027] Figure 1 It is a schematic diagram of the overall appearance structure of the present invention;

[0028] Figure 2 It is a front view structural schematic diagram of the present invention;

[0029] Figure 3 It is a schematic diagram of the top view structure of the present invention;

[0030] Figure 4 The present invention Figure 3 Schematic diagram of the structure at AA;

[0031] Figure 5 It is a schematic diagram of the installation position structure of the memory metal spring of the present invention;

[0032] Figure 6 It is a schematic diagram of the internal installation position structure of the coating unit and the cleaning unit of the present invention;

[0033] In the figure: 1-frame, 2-placing unit, 21-motor 1, 22-telescopic shaft, 23-lifting plate, 24-clamping frame, 25-spring, 26-clamping block, 3-coating unit, 31-motor 2, 32-telescopic rod, 33-moving block, 34-fixed table, 35-spray gun, 36-drip plate, 37-distance sensor, 38-telescopic spring, 39-round rod, 310-pulley, 311-rotating rod, 312-connecting column, 313-memory metal spring, 4-cleaning unit, 41-double-headed motor, 42-brush, 43-transmission rod, 44-fan blade, 45-support frame 1, 46-support frame 2, 47-cross frame. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] The present invention provides a technical solution:

[0036] like Figure 1 As shown, an adhesive coating device for automobile door trim includes a frame 1, a placement unit 2, a coating unit 3 and a cleaning unit 4. The frame 1 is placed on a horizontal ground, the placement unit 2 is fixedly connected to the frame 1, the placement unit 2 is fixedly connected to the cleaning unit 4, the coating unit 3 is fixedly connected to the frame 1, the coating unit 3 has the function of uniformly coating the automobile door trim, and the cleaning unit 4 is fixedly connected to the coating unit 3.

[0037] The frame 1 is used to install and fix the placement unit 2, the coating unit 3 and the cleaning unit 4. The placement unit 2 is used for clamping and moving the automobile door trim panel in the up and down direction. The coating unit 3 is used for spraying adhesive on the door trim panel. The cleaning unit 4 is used to clean the impurities and dust on the door trim panel. After the staff places the door trim panel to be sprayed on the placement unit 2, the door trim panel is clamped and driven to move up and down to cooperate with the coating unit 3 for spraying. The surface of the door trim panel is then cleaned by the cleaning unit 4 to prevent dust from adhering to the surface of the door trim panel and affecting the coating quality. The coating unit 3 then evenly coats the door trim panel during the forward and backward movement, thereby jointly improving the coating quality of the automobile door trim panel.

[0038] like Figure 4As shown, the placement unit 2 includes a motor 21, a telescopic shaft 22, a lifting plate 23, a clamping frame 24, a spring 25 and a clamping block 26. The motor 21 is fixedly mounted on the surface of one end of the frame 1 close to the horizontal ground, the motor 21 is electrically connected to the external controller, one end of the telescopic shaft 22 is fixedly connected to the output end of the motor 21, and the other end of the telescopic shaft 22 is fixedly connected to the lifting plate 23. The frame 1 is provided with a through groove away from the horizontal ground, and the lifting plate 23 is slidably installed in the through groove provided in the frame 1. There are two groups of clamping frames 24, one group of which is fixedly mounted on the two end surfaces of the frame 1 perpendicular to the horizontal ground, and the other group of clamping frames 24 is fixedly connected to the cleaning unit 4. A rectangular notch is opened on the surface of the clamping frame 24, and the open end of the clamping frame 24 is fixedly connected to the frame 1. One end of the spring 25 is vertically fixedly mounted on the inner surface of the clamping frame 24 parallel to the lifting plate 23, and the other end of the spring 25 is provided with a clamping block 26.

[0039] When the staff inserts the automobile door trim into the lower clamping frame 24, the door trim pushes the clamping block 26 to move and squeeze the spring 25 in turn until the bottom of the door trim contacts the lifting plate 23, thereby completing the clamping and fixing action of the door trim. At this time, the controller controls the motor 21 to start, thereby driving the telescopic shaft 22 to extend and lift the lifting plate 23, thereby slowly lifting the door trim until the door trim enters the upper clamping frame 24. During this process, the door trim pushes the clamping block 26 to squeeze the spring 25, and under the action of the restoring force of the springs 25 on both sides, the clamping block 26 is pushed to clamp the door trim until the door trim is separated from the lower clamping frame 24, thereby improving the stability of the door trim movement.

[0040] like Figure 2 , 3As shown in , 5 and 6, the coating unit 3 includes a motor 2 31, a telescopic rod 32, a moving block 33, a fixed platform 34, a spray gun 35, an anti-drip plate 36, a distance sensor 37, a telescopic spring 38, a round rod 39, a pulley 310, a rotating rod 311, a connecting column 312 and a memory metal spring 313. The motor 2 31 is fixedly mounted on the surface of the frame 1 at one end away from the horizontal ground, the motor 2 31 is electrically connected to the external controller, one end of the telescopic rod 32 is fixedly connected to the output end of the motor 2 31, the other end of the telescopic rod 32 is fixedly connected to the moving block 33, the moving block 33 is slidably mounted on the surface of the frame 1 at one end away from the horizontal ground, the fixed platform 34 is fixedly mounted on the surface of the moving block 33 at one end away from the frame 1, one end of the rotating rod 311 is rotatably connected to the surface of the fixed platform 34 at one end away from the frame 1, one end of the rotating rod 311 is fixedly connected to the surface of the anti-drip plate 36 at one end close to the frame 1, and the spray gun 35 is fixedly mounted on the surface of the anti-drip plate 36 at one end away from the frame 1. A small cavity is provided inside the fixed platform 34 near the end of the spray gun 35, and the distance sensor 37 is fixedly installed on the side surface of the small cavity inside. One end of the telescopic spring 38 is fixedly connected to the side wall of the small cavity inside the fixed platform 34, and the other end of the telescopic spring 38 is fixedly connected to one end of a round rod 39. The other end of the round rod 39 extends out of the small cavity inside the fixed platform 34 and is rotatably connected to the pulley 310. The round rod 39 is slidably connected to the fixed platform 34. An arc groove is provided on the surface of the end of the fixed platform 34 away from the frame 1. One end of the memory metal spring 313 is fixedly installed on the side wall of the arc groove provided on the surface of the fixed platform, and the other end of the memory metal spring 313 is fixedly connected to one end of the connecting column 312. The other end of the connecting column 312 is fixedly connected to the surface of the anti-drip plate 36 near the frame 1. The connecting column 312 is slidably connected to the arc groove provided on the surface of the fixed platform 34. A large cavity is provided inside the end of the fixed platform 34 near the frame 1, and the large cavity provided in the fixed platform 34 is fixedly connected to the cleaning unit 4.

[0041] When the placement unit 2 lifts the door trim panel, the controller controls the motor 2 31 to start, driving the telescopic rod 32 to retract, thereby driving the moving block 33 and the fixed block 34 to move synchronously, so that the spray gun 35 moves from the back to the front. At this time, the controller controls the spray gun 35 to start spraying the door trim panel. The pulley 310 contacts the door trim panel. When the telescopic rod 32 retracts, the pulley 310 slides on the surface of the door trim panel. When the pulley 310 slides from the plane of the door trim panel to the concave surface, the telescopic spring 38 pushes the round rod 39 and the pulley 310 to move toward the concave part of the door trim panel, so that the pulley 310 is always in contact with the surface of the door trim panel. At this time, when the distance sensor 37 detects that the distance between the end of the round rod 39 without the pulley 310 and the distance sensor 37 gradually increases, the feedback is given to the controller, and the controller passes current to the right memory metal spring 313, causing the right memory metal spring 313 to heat and expand, thereby pushing the connecting column 312 to rotate toward the left arc groove and compress the left memory metal spring 313 At this time, the anti-drip plate 36 and the spray gun 35 are driven to rotate synchronously around the rotating rod 311 under the action of the connecting column 312, so as to spray the side of the concave part to avoid the concave part not being sprayed, which affects the uniformity of spraying the door trim. When the pulley 310 slides from the flat surface of the door trim to the convex surface, the round rod 39 and the pulley 310 squeeze the telescopic spring 38 to contract. At this time, the distance sensor 37 detects that the distance between the round rod 39 and the end of the pulley 310 is gradually reduced, and the feedback The controller supplies current to the left memory metal spring 313, causing the left memory metal spring 313 to heat up and expand, thereby pushing the connecting column 312 to rotate toward the right arc groove and compressing the right memory metal spring 313. At this time, under the action of the connecting column 312, the anti-drip plate 36 and the spray gun 35 are driven to rotate synchronously around the rotating rod, thereby spraying the side of the protrusion to avoid the protrusion being unsprayed, affecting the uniformity of the spraying of the door trim, thereby jointly improving the coating uniformity of the door trim.

[0042] like Figure 2 , 46, the cleaning unit 4 includes a double-headed motor 41, a brush 42, a transmission rod 43, a fan blade 44, a support frame 1 45, a support frame 2 46 and a cross frame 47. The double-headed motor 41 is fixedly connected to the large cavity opened inside the fixed table 34, the output end of the double-headed motor 41 close to the placement unit 2 is fixedly connected to one end of the brush 42, the double-headed motor 41 is electrically connected to an external controller, the output end of the double-headed motor 41 away from the placement unit 2 is fixedly connected to one end of the transmission rod 43, the other end of the transmission rod 43 is fixedly connected to the fan blade 44, the support frame One 45 is connected to the side of the fixed platform 34 near the fan blade 44 through a pipeline, one end of the support frame one 45 is vertically fixedly installed on the surface of the end of the frame 1 away from the horizontal ground, the other end of the support frame one 45 is vertically fixedly connected to the inside of the cross frame 47 near the double-headed motor 41, one end of the support frame two 46 is vertically fixedly installed on the surface of the end of the frame 1 away from the horizontal ground, the other end of the support frame two 46 is vertically fixedly installed on the surface of the end of the cross frame 47 away from the double-headed motor 41, and both ends of the cross frame 47 are fixedly connected to the open ends of another group of clamping frames 24.

[0043] Before the coating unit 3 starts coating, the controller controls the double-headed motor 41 to start, thereby driving the brush 42 to rotate to remove dust and impurities on the surface of the door trim panel to be coated. At the same time, the double-headed motor 41 drives the transmission rod 43 to rotate, thereby driving the fan blades 44 to rotate to blow air. At this time, the wind enters the interior of the support frame 45 and is transported to the cross frame 47 to blow off the dust attached to the surface of the door trim panel, thereby jointly cleaning the surface of the door trim panel and preventing dust from affecting the uniformity of the coating of the door trim panel, thereby jointly improving the uniformity of the coating of the door trim panel.

[0044] like Figure 4 As shown, two groups of clamping blocks 26 are symmetrically fixedly connected to the spring 25 along the horizontal axis, and the shape of the clamping blocks 26 is set to be a right-angled trapezoid.

[0045] In order to facilitate the insertion of the door trim into the lower clamping frame 24 and to facilitate the door trim to be more easily clamped by the upper clamping block 26 during the upward movement, the work efficiency is improved while avoiding damage to the surface of the door trim.

[0046] like Figure 2 , 3 As shown, the interior of the support frame 45 is a hollow structure.

[0047] In order to facilitate the fan blades 44 to generate airflow and transmit it to the cross frame 47, the surface of the door trim is cleaned twice to prevent dust from affecting the uniformity of the coating of the door trim.

[0048] like Figure 4 As shown, the interior of the cross frame 47 is a hollow structure, and a plurality of groups of blowing nozzles are provided on the surface of one end of the cross frame 47 close to the frame 1, and the blowing nozzles are at 45 degrees to the horizontal axis and are inclined downward.

[0049] The blowing nozzle on the horizontal frame 47 is set to be 45 degrees to the horizontal axis and tilted downward in order to avoid the horizontal frame nozzle blowing vertically downward at the air outlet, causing dust to be scattered everywhere and finally stay on the frame 1 and re-attach to the door trim, thereby improving the cleanliness of the desktop and the uniformity of the door trim coating. The blowing nozzle design tilted at a 45-degree angle can reduce wind resistance and reduce friction with the surrounding air, so that the same airflow effect can be produced with less energy, thereby improving energy efficiency.

[0050] like Figure 5 , 6 As shown, the spray gun 35 is electrically connected to the external controller, the distance sensor 37 is electrically connected to the external controller, and the memory metal spring 313 is electrically connected to the external controller.

[0051] In order to realize automatic control and timely response, reduce the waste of human resources and enable the distance sensor 37 to quickly feed back to the controller when detecting the change in the displacement of the round rod 39, the controller promptly transmits current to the memory metal spring 313 to make it heat up and expand, thereby changing the spray angle of the spray gun 35, thereby improving the coating uniformity of the door trim.

[0052] Working principle of the present invention:

[0053] When the staff inserts the car door trim into the lower clamping frame 24, the door trim pushes the clamping block 26 to move and squeeze the spring 25 in turn until the bottom of the door trim contacts the lifting plate 23, thereby completing the clamping and fixing action of the door trim. At this time, the controller controls the motor 1 21 to start, thereby driving the telescopic shaft 22 to extend and lift the lifting plate 23, so that the door trim is slowly lifted to a certain distance. The controller controls the motor 2 31 to start, driving the telescopic rod 32 to extend, and the brush 42 moves from front to back. At this time, the spray gun 35 does not spray. The controller controls the double-headed motor 41 to start, thereby driving the brush 42 to rotate to remove dust and impurities on the surface of the door trim to be coated. At the same time, the double-headed motor 41 drives the transmission rod 43 to rotate, thereby driving the fan blade 44 to rotate. The wind blows the air, and at this time, the wind enters the interior of the support frame 45 and is transported to the cross frame 47 to blow off the dust attached to the surface of the door trim panel, thereby jointly cleaning the surface of the door trim panel and preventing the dust from affecting the uniformity of the coating of the door trim panel, thereby jointly improving the uniformity of the coating of the door trim panel. After completing one cleaning, the controller controls the motor 2 31 to start, drive the telescopic rod 32 to retract, thereby drive the moving block 33 and the fixed block 34 to move synchronously, so that the spray gun 35 moves from back to front. At this time, the controller controls the spray gun 35 to start spraying the door trim panel. During the process, the pulley 310 contacts the door trim panel. When the telescopic rod 32 retracts, the pulley 310 slides on the surface of the door trim panel. When the pulley 310 slides from the plane of the door trim panel to the concave surface, The telescopic spring 38 pushes the round rod 39 and the pulley 310 to move toward the recessed part of the door trim panel, so that the pulley 310 is always in contact with the surface of the door trim panel. At this time, when the distance sensor 37 detects that the distance between the end of the round rod 39 without the pulley 310 and the distance sensor 37 is gradually increasing, feedback is given to the controller, and the controller passes current to the right memory metal spring 313, causing the right memory metal spring 313 to heat up and expand, thereby pushing the connecting column 312 to rotate toward the left arc groove and compressing the left memory metal spring 313. At this time, under the action of the connecting column 312, the anti-drip plate 36 and the spray gun 35 are driven to rotate synchronously around the rotating rod 311, so as to spray the side of the recessed part to avoid the recessed part being not sprayed, which affects the uniformity of spraying of the door trim panel. When sliding from the door trim plane to the raised surface, the round rod 39 and the pulley 310 squeeze the telescopic spring 38 to shrink. When the distance sensor 37 detects that the distance between the end of the round rod 39 without the pulley 310 and the distance sensor 37 is gradually decreasing, feedback is given to the controller, and the controller passes current to the left memory metal spring 313, causing the left memory metal spring 313 to heat and expand, thereby pushing the connecting column 312 to rotate toward the right arc groove and compressing the right memory metal spring 313. At this time, under the action of the connecting column 312, the anti-drip plate 36 and the spray gun 35 are driven to rotate synchronously around the rotating rod, so as to spray the side of the protrusion, thereby avoiding the protrusion not being sprayed, affecting the uniformity of the spraying of the door trim, thereby jointly improving the coating uniformity of the door trim.At this point, one coating is completed. The controller controls the spray gun to stop working and controls the motor 1 21 to drive the door trim panel to rise a distance again. Repeat the above actions until the door trim panel enters the upper clamping frame 24. During this process, the door trim panel pushes the clamping block 26 to squeeze the spring 25. Under the action of the restoring force of the springs 25 on both sides, the clamping block 26 is pushed to clamp the door trim panel until the door trim panel is separated from the lower clamping frame 24, completing the uniform coating of the entire door trim panel.

[0054] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0055] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An adhesive coating device for automobile door trim, characterized in that: The automobile door trim adhesive coating device comprises a frame (1), a placement unit (2), a coating unit (3) and a cleaning unit (4); the frame (1) is placed on a horizontal ground; the placement unit (2) is fixedly connected to the frame (1); the placement unit (2) is fixedly connected to the cleaning unit (4); the coating unit (3) is fixedly connected to the frame (1); the coating unit (3) has the function of uniformly coating the automobile door trim; and the cleaning unit (4) is fixedly connected to the coating unit (3).

2. The automobile door trim adhesive coating device according to claim 1, characterized in that: The placement unit (2) comprises a motor (21), a telescopic shaft (22), a lifting plate (23), a clamping frame (24), a spring (25) and a clamping block (26); the motor (21) is fixedly mounted on a surface of one end of the frame (1) close to the horizontal ground; the motor (21) is electrically connected to an external controller; one end of the telescopic shaft (22) is fixedly connected to the output end of the motor (21); the other end of the telescopic shaft (22) is fixedly connected to the lifting plate (23); a through slot is provided on the frame (1) away from the horizontal ground; the lifting plate (23) slides Installed in a through slot provided in the frame (1), the clamping frame (24) has two groups, one group of the clamping frames (24) is fixedly installed on two end faces of the frame (1) perpendicular to the horizontal ground, and the other group of the clamping frames (24) is fixedly connected to the cleaning unit (4), a rectangular notch is provided on the surface of the clamping frame (24), the open end of the clamping frame (24) is fixedly connected to the frame (1), one end of the spring (25) is vertically fixedly installed on the inner surface of the clamping frame (24) parallel to the lifting plate (23), and the other end of the spring (25) is installed with a clamping block (26).

3. The automobile door trim adhesive coating device according to claim 1, characterized in that: The coating unit (3) comprises a second motor (31), a telescopic rod (32), a moving block (33), a fixed platform (34), a spray gun (35), a drip plate (36), a distance sensor (37), a telescopic spring (38), a round rod (39), a pulley (310), a rotating rod (311), a connecting column (312) and a memory metal spring (313). The second motor (31) is fixedly mounted on a surface of a frame (1) away from a horizontal ground. The second motor (31) is electrically connected to an external controller. One end of the telescopic rod (32) is fixedly connected to the second motor (31). The output end, the other end of the telescopic rod (32) is fixedly connected to the moving block (33), the moving block (33) is slidably mounted on the surface of the end of the frame (1) away from the horizontal ground, the fixed platform (34) is fixedly mounted on the surface of the end of the moving block (33) away from the frame (1), one end of the rotating rod (311) is rotatably connected to the surface of the end of the fixed platform (34) away from the frame (1), one end of the rotating rod (311) is fixedly connected to the surface of the end of the drip plate (36) close to the frame (1), and the spray gun (35) is fixedly mounted on the surface of the end of the drip plate (36) away from the frame (1). The fixed platform (34) is provided with a small cavity near the end of the spray gun (35), the distance sensor (37) is fixedly mounted on the side surface of the small cavity, one end of the telescopic spring (38) is fixedly connected to the side wall of the small cavity inside the fixed platform (34), the other end of the telescopic spring (38) is fixedly connected to one end of a round rod (39), the other end of the round rod (39) extends out of the small cavity inside the fixed platform (34) and is rotatably connected to a pulley (310), the round rod (39) is slidably connected to the fixed platform (34), and the surface of one end of the fixed platform (34) away from the frame (1) is provided with a An arc groove is provided, one end of the memory metal spring (313) is fixedly mounted on the side wall of the arc groove opened on the surface of the fixed platform, the other end of the memory metal spring (313) is fixedly connected to one end of a connecting column (312), the other end of the connecting column (312) is fixedly connected to the surface of an anti-drip plate (36) close to one end of the frame (1), the connecting column (312) is slidably connected to the arc groove opened on the surface of the fixed platform (34), a large cavity is opened inside the end of the fixed platform (34) close to the frame (1), and the large cavity opened on the fixed platform (34) is fixedly connected to the cleaning unit (4).

4. The automobile door trim adhesive coating device according to claim 3, characterized in that: The cleaning unit (4) comprises a double-headed motor (41), a brush (42), a transmission rod (43), a fan blade (44), a support frame 1 (45), a support frame 2 (46) and a cross frame (47); the double-headed motor (41) is fixedly connected to a large cavity opened inside the fixed platform (34); an output end of the double-headed motor (41) close to the placement unit (2) is fixedly connected to one end of the brush (42); the double-headed motor (41) is electrically connected to an external controller; an output end of the double-headed motor (41) far from the placement unit (2) is fixedly connected to one end of the transmission rod (43); the other end of the transmission rod (43) is fixedly connected to the fan blade (44); The support frame 1 (45) is connected to the side surface of the fixed platform (34) close to the fan blade (44) through a pipeline conduction, one end of the support frame 1 (45) is vertically fixedly installed on the surface of the end of the frame (1) away from the horizontal ground, the other end of the support frame 1 (45) is vertically fixedly connected to the inside of the cross frame (47) close to the double-headed motor (41), one end of the support frame 2 (46) is vertically fixedly installed on the surface of the end of the frame (1) away from the horizontal ground, the other end of the support frame 2 (46) is vertically fixedly installed on the surface of the end of the cross frame (47) away from the double-headed motor (41), and the two ends of the cross frame (47) are fixedly connected to the open ends of another group of clamping frames (24).

5. The automobile door trim adhesive coating device according to claim 2, characterized in that: The two groups of clamping blocks (26) are symmetrically fixedly connected to the spring (25) along a horizontal axis, and the shape of the clamping blocks (26) is set to be a right-angled trapezoid.

6. The automobile door trim adhesive coating device according to claim 4, characterized in that: The interior of the support frame 1 (45) is a hollow structure.

7. The automobile door trim adhesive coating device according to claim 4, characterized in that: The interior of the cross frame (47) is a hollow structure. A plurality of groups of blowing nozzles are provided on the surface of one end of the cross frame (47) close to the frame (1). The blowing nozzles are at an angle of 45 degrees to the horizontal axis and are inclined downward.

8. The automobile door trim adhesive coating device according to claim 3, characterized in that: The spray gun (35) is electrically connected to an external controller, the distance sensor (37) is electrically connected to the external controller, and the memory metal spring (313) is electrically connected to the external controller.

Images