Automobile tail door machining equipment

Abstract

The invention provides automobile tail door machining equipment which comprises a lower die mechanism, the lower die mechanism comprises a supporting plate, a floating plate and positioning assemblies, the floating plate is connected to the supporting plate in a sliding mode, a lower tire die is supported on the floating plate, the multiple positioning assemblies are connected to the floating plate, any positioning assembly comprises a moving frame, a lifting frame and a profiling abutting piece, and the moving frame is connected with the lifting frame; the moving frame is connected to the floating plate, the lifting frame is slidably connected to the moving frame, an inclined lifting module is arranged on the lifting frame, and the profiling abutting piece is slidably connected to the inclined lifting module; the upper die mechanism comprises a connecting plate and an upper tire die; and the hot melting mechanism comprises a heating lamp group. The position accuracy of the tail gate blank in the machining process can be ensured, and then the problem that the position of the blank is prone to change in the machining process is thoroughly solved. Compared with an existing tail gate machining technology, the tail gate machining method has the advantages of being high in machining precision, quality and efficiency and the like, and the requirements of the automobile manufacturing industry at the present stage can be met.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle processing, and particularly relates to a processing equipment for an automobile tail door. BACKGROUND

[0002] In the automobile manufacturing industry, the tail door as an important part of the vehicle body directly affects the assembly quality, sealing performance and appearance consistency of the whole vehicle. With the improvement of consumers' requirements for automobile quality, the assembly precision indexes such as the gap between the tail door and the door frame and the surface difference become the key parameters to measure the automobile manufacturing level, and the achievement of these indexes highly depends on the positioning accuracy in the tail door processing.

[0003] Tail door processing involves multiple processes such as feeding, hot melting, pressing, and mold closing. The tire membrane as a key tooling for positioning the tail door blank in each process directly determines the positioning accuracy of the tail door. However, there are significant defects in the traditional process: on the one hand, the tire membranes of each process are independently designed, lacking a unified coordinate reference. For example, the tire membrane of the feeding process may use the left edge of the tail door as the positioning reference, while the tire membrane of the hot melting process uses the right side lock installation hole as the reference, and the mold closing process uses another set of contour positioning standards, resulting in the tail door unable to maintain a consistent spatial position relationship when the process is converted, and the cumulative error is continuously amplified, ultimately causing the tail door symmetry to be out of tolerance; on the other hand, the position stability of the tire membrane itself is insufficient. The traditional tire membrane is fixed on the equipment table through a simple mechanical structure, and is prone to slight displacement during processing. Especially for composite material tail doors, the thermal expansion during processing will generate additional force on the tire membrane, further exacerbating the position deviation of the tire membrane, resulting in continuous changes in the positioning reference of the tail door blank in the tire membrane.

[0004] The positioning accuracy problem of the above-mentioned tire membrane will directly lead to uneven gap between the tail door and the door frame, poor sealing strip fitting and other defects during tail door assembly. Therefore, a technical solution is needed to improve the positioning accuracy of the automobile tail door processing to solve the problems of insufficient positioning stability and multi-process connection error in the existing process. SUMMARY

[0005] Therefore, the technical problem to be solved by the present application is to overcome the problem of insufficient positioning stability in the prior art, and to provide a processing equipment for an automobile tail door.

[0006] To solve the above technical problems, the application provides a car tail door processing equipment, which comprises a lower die mechanism, the lower die mechanism comprises a support plate, a floating plate and a plurality of positioning assemblies, the floating plate is slidably connected to the support plate in a first direction, a lower tire membrane is supported on the floating plate, and a plurality of positioning assemblies are respectively connected to the floating plate and arranged around the lower tire membrane; any positioning assembly comprises a moving frame, a lifting frame and a profiling abutting piece, the moving frame is connected to the floating plate and can move close to or away from the lower tire membrane, the lifting frame is slidably connected to the moving frame in a vertical direction, an inclined lifting module group extending obliquely towards the lower tire membrane is arranged on the lifting frame, and the profiling abutting piece is slidably connected to the inclined lifting module group; an upper die mechanism is arranged above the lower die mechanism and can move up and down, the upper die mechanism comprises a connecting plate and an upper tire membrane, and the upper tire membrane can be buckled on the lower tire membrane; a hot melting mechanism can be moved between the upper die mechanism and the lower die mechanism, and the hot melting mechanism comprises a heating lamp group.

[0007] In an embodiment of the application, the upper die mechanism comprises at least two upper die butt joints, the lower die mechanism comprises at least two lower die butt joints, the upper die butt joints and the lower die butt joints are arranged one by one and can be inserted into each other.

[0008] In an embodiment of the application, the lower die mechanism comprises at least one floating die group extending in the first direction, the floating plate is slidably connected to the floating die group, a plurality of fine adjustment die groups are arranged on the floating plate, any fine adjustment die group extends towards the lower tire membrane, and a plurality of positioning assemblies are respectively slidably connected to a plurality of fine adjustment die groups.

[0009] In an embodiment of the application, the positioning assembly further comprises a lifting driving assembly arranged between the moving frame and the lifting frame, the lifting driving assembly comprises a rotary driver and a transmission gear, the rotary driver is arranged on the moving frame, the transmission gear is connected to the working end of the rotary driver and can rotate around the axis thereof, and a guide rack extending in the vertical direction is arranged on the lifting frame and is in mesh with the transmission gear.

[0010] In an embodiment of the application, the positioning assembly further comprises an abutting driver arranged on the lifting frame, the working end of the abutting driver is connected to the profiling abutting piece to push the profiling abutting piece to move along the inclined lifting module group.

[0011] In an embodiment of the application, the positioning assembly further comprises a position reaching sensor connected to the floating plate and arranged towards the lower tire membrane.

[0012] In one embodiment of the present application, the profiling abutment comprises a connecting portion connected to the lifting frame and an elastic profiling portion arranged towards the lower tire membrane, the elastic profiling portions of the plurality of positioning assemblies collectively provide a fixing space, and the shape of the fixing space matches the peripheral shape of the lower tire membrane.

[0013] In one embodiment of the present application, the upper die mechanism comprises a connecting plate, one side of the connecting plate is connected to the upper tire membrane, and the other side circumscribes a lifting moving device.

[0014] In one embodiment of the present application, clamps are arranged on the upper tire membrane and the lower tire membrane, the clamps comprise a clamping driver, a transmission rod and a limiting block, at least one avoiding through hole is arranged on the upper tire membrane and the lower tire membrane, the clamping drivers are respectively connected to the upper tire membrane and the lower tire membrane, one end of the transmission rod is connected to the working end of the clamping driver, and the other end is connected to the limiting block, and the limiting block can pass through the avoiding through hole to contact the to-be-processed element.

[0015] In one embodiment of the present application, the hot melting mechanism comprises a first hot melting module, a hot melting sliding frame, a heating lamp group and a second hot melting module, the first hot melting module extends along a first direction, the hot melting sliding frame is slidingly connected to the first hot melting module, the second hot melting module is arranged on the hot melting sliding frame and extends along a second direction, and the heating lamp group is slidingly connected to the second hot melting module.

[0016] The above technical solution of the present application has the following advantages compared with the prior art: The automobile tail door processing equipment disclosed by the present application can heat the to-be-processed blank through the hot melting mechanism, and then realize efficient and accurate processing of the automobile tail door through the cooperative work of the lower die mechanism and the upper die mechanism. The actual processing position of the blank is coarsely adjusted by the supporting plate and the floating plate of the lower die mechanism, and the plurality of positioning assemblies can adjustably position and support different blanks according to the outer contour of the blank, so as to ensure the position accuracy of the tail door blank during processing, thereby completely solving the problem that the position of the blank changes during processing. Compared with the conventional automobile tail door processing technology, the present application can effectively improve the processing precision of the automobile tail door, reduce the processing defects caused by inaccurate positioning and unstable hot melting, improve the production quality and efficiency of the automobile tail door, and meet the demand of the automobile manufacturing industry for high-quality and high-efficiency tail door processing. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to make the content of the present application more easily understood, the present application will be further described in detail below according to specific embodiments of the present application and in combination with the drawings.

[0018] Figure 1 is a schematic diagram of the three-dimensional structure of the automobile tailgate processing equipment in the preferred embodiment of the present application; Figure 2 is Figure 1 the schematic diagram of the three-dimensional structure of the upper die mechanism and the lower die mechanism in the automobile tailgate processing equipment shown in Figure 3 is Figure 1 the schematic diagram of the internal structure of the lower die mechanism in the automobile tailgate processing equipment shown in Figure 4 is Figure 3 the enlarged structure schematic diagram at A in Figure 5 is Figure 3 the enlarged structure schematic diagram at B in Figure 6 is the schematic diagram of the internal structure of the upper die mechanism in the automobile tailgate processing equipment shown in 1; Figure 7 is Figure 6 the enlarged structure schematic diagram at C in

[0019] Explanation of the reference signs in the attached drawings of the specification: 100, upper die mechanism; 110, connecting plate; 120, upper die butt joint column; 130, upper die film; 200, lower die mechanism; 210, support plate; 220, lower die butt joint column; 230, floating die group; 240, floating plate; 250, positioning assembly; 251, fine adjustment die group; 252, moving frame; 2521, vertical lifting die group; 253, lifting frame; 2531, inclined lifting die group; 2532, guide rack; 254, profiling abutting piece; 2541, connecting part; 2542, elastic profiling part; 255, in-place sensor; 256, lifting drive assembly; 2561, rotary driver; 2562, transmission gear; 260, lower die film; 300, hot melting mechanism; 310, first hot melting die group; 320, hot melting sliding frame; 330, heating lamp group; 340, second hot melting die group; 400, clamp; 410, clamping driver; 420, transmission rod; X, first direction; Y, second direction; Z, third direction. DETAILED DESCRIPTION

[0020] The present application will be further described below in conjunction with the drawings and specific embodiments, so that those skilled in the art can better understand the present application and implement it, but the embodiments are not limiting to the present application.

[0021] Embodiment:

[0022] Referring to Figure 1As shown, the present application provides an automobile tailgate processing equipment, which comprises a lower die mechanism 200, the lower die mechanism 200 comprises a support plate 210, a floating plate 240 and a plurality of positioning assemblies 250, the floating plate 240 is slidingly connected to the support plate 210 along a first direction X, a lower tire membrane 260 is supported on the floating plate 240, a plurality of the positioning assemblies 250 are respectively connected to the floating plate 240 and are arranged around the lower tire membrane 260, any of the positioning assemblies 250 comprises a moving frame 252, a lifting frame 253 and a profiling abutting piece 254, the moving frame 252 is connected to the floating plate 240 and can move close to / away from the lower tire membrane 260, the lifting frame 253 is slidingly connected to the moving frame 252 along a vertical direction, and an inclined lifting module 2531 extending obliquely towards the lower tire membrane 260 is arranged on the lifting frame 253, and the profiling abutting piece 254 is slidingly connected to the inclined lifting module 2531; an upper die mechanism 100, the upper die mechanism 100 is movably arranged above the lower die mechanism 200, and comprises a connecting plate 110 and an upper tire membrane 130, the upper tire membrane 130 can be buckled on the lower tire membrane 260; a hot melting mechanism 300, the hot melting mechanism 300 can be moved between the upper die mechanism 100 and the lower die mechanism 200, and comprises a heating lamp group 330.

[0023] As shown in Figure 1 and Figure 2 As shown, the automobile tailgate processing equipment of the present embodiment realizes efficient and accurate processing of automobile tailgates through the hot melting mechanism 300 for hot melting of the blank to be processed, and the cooperative work of the lower die mechanism 200 and the upper die mechanism 100. The lower die mechanism 200 coarsely adjusts the actual processing position of the blank through the support plate 210 and the floating plate 240, and the plurality of positioning assemblies 250 can adjustably position and support different blanks according to their outer contours, thereby ensuring the positional accuracy of the tailgate blank during processing, and completely solving the problem of positional change of the blank during processing. Compared with the conventional automobile tailgate processing technology, the present application can effectively improve the processing precision of the automobile tailgate, reduce the processing defects caused by inaccurate positioning and unstable hot melting, improve the production quality and efficiency of the automobile tailgate, and meet the demand of the automobile manufacturing industry for high-quality and high-efficiency tailgate processing.

[0024] It should be noted that, for the sake of description, the length direction of the automobile tailgate processing equipment is defined as the first direction X, the width direction of the equipment is defined as the second direction Y, and the height direction of the equipment is defined as the third direction Z, wherein the first direction X, the second direction Y and the third direction Z are arranged perpendicular to each other, and the first direction X and the second direction Y are located in the same plane.

[0025] As shown in Figure 1As shown, the upper mold mechanism 100 in the embodiment is externally connected with a lifting driving device, which can move up and down along the third direction Z to realize the pressing of the blank between the upper tire membrane 130 and the lower tire membrane 260, and includes a connecting plate 110, one side of which is connected with the upper tire membrane 130 and the other side of which is externally connected with the lifting moving device. Further, the upper mold mechanism 100 in the embodiment includes at least two upper mold butt joint columns 120, and the lower mold mechanism 200 includes at least two lower mold butt joint columns 220, the upper mold butt joint columns 120 and the lower mold butt joint columns 220 are arranged one by one and can be inserted with each other. Thus, the upper tire membrane 130 can be accurately buckled on the lower tire membrane 260, and when the tail door blank is positioned on the lower mold mechanism 200, the upper mold mechanism 100 moves downward under the driving of the power, and the upper tire membrane 130 is lowered and buckled on the lower tire membrane 260. At this time, the upper tire membrane 130 and the lower tire membrane 260 jointly form a surrounding and constraint on the tail door blank, which ensures that the tail door blank will not move in the up-down direction during the processing, and is beneficial to improve the quality and consistency of the pressing processing.

[0026] Specifically, the embodiment includes four upper mold butt joint columns 120, and the four upper mold butt joint columns 120 are respectively connected to the four corner portions of the connecting plate 110. Correspondingly, the lower mold mechanism 200 also has four lower mold butt joint columns 220 arranged thereon. In different embodiments, the upper mold butt joint columns 120 and the lower mold butt joint columns 220 can be arranged in other numbers and positions according to actual use requirements, and the present application does not make specific limitation thereon.

[0027] In the embodiment, the hot melting mechanism 300 can move between the upper mold mechanism 100 and the lower mold mechanism 200. During the processing of the automobile tail door, when the tail door blank is accurately positioned between the upper tire membrane 130 and the lower tire membrane 260, the heating lamp group 330 moves to the appropriate position and starts the heating function. The heat emitted by the heating lamp group 330 can be quickly and uniformly transmitted to the part of the tail door blank that needs to be hot-melt connected, so that the materials such as hot-melt adhesive or hot-melt column at the part are quickly melted, thereby realizing the firm connection between different parts of the tail door blank. By accurately controlling the heating time, temperature and moving path of the heating lamp group 330 and other parameters, the quality and precision of the hot-melt processing can be ensured, and the processing requirements of different types of automobile tail doors can be met. The hot melting mechanism 300 specifically includes a first hot melting mold group 310, a hot melting sliding frame 320, a heating lamp group 330 and a second hot melting mold group 340, wherein the first hot melting mold group 310 extends along the first direction X, the hot melting sliding frame 320 is slidingly connected to the first hot melting mold group 310, the second hot melting mold group 340 is arranged on the hot melting sliding frame 320, the second hot melting mold group 340 extends along the second direction Y, and the heating lamp group 330 is slidingly connected to the second hot melting mold group 340.

[0028] Referring to Figure 3As shown, the support plate 210 in this embodiment serves as the base support component of the lower mold mechanism 200, providing a stable mounting base for the floating plate 240 and other components connected thereto, ensuring that the entire lower mold part does not shift or sway during processing, and maintaining the stability of the overall device structure. The floating plate 240 is slidingly connected to the support plate 210 in the first direction X, and when the automobile tailgate blank is placed on the lower tire film 260, the floating plate 240 can be fine-tuned in the first direction X according to the actual shape, size of the blank, and the stress condition during processing, to better adapt to the tailgate blank, so that the tailgate blank always maintains a good fitting state during processing, reducing processing errors caused by positional deviation. Further, the lower mold mechanism 200 in this embodiment includes at least one floating mold group 230 extending in the first direction X, the floating plate 240 is slidingly connected to the floating mold group 230, and the floating plate 240 is provided with a plurality of fine-tuning mold groups 251, any of the fine-tuning mold groups 251 extends towards the lower tire film 260, and a plurality of positioning assemblies 250 are slidingly connected to a plurality of the fine-tuning mold groups 251, thereby further improving the adjustment capability of different positioning assemblies 250, so that they can be suitable for tailgate blanks of different sizes and shapes.

[0029] Further, the positioning assembly 250 in this embodiment further includes a position sensor 255 connected to the floating plate 240 and disposed towards the lower tire film 260, thereby forming real-time monitoring of the movement process of the profiling abutting member 254.

[0030] Referring to Figure 4 and Figure 5As shown, the positioning assembly 250 further comprises a lifting driving assembly 256 arranged between the moving frame 252 and the lifting frame 253, which comprises a rotary driver 2561 arranged on the moving frame 252 and a transmission gear 2562 connected to the working end of the rotary driver 2561 to rotate around the middle axis thereof, and the lifting frame 253 is provided with a guide rack 2532 extending in the vertical direction and meshing with the transmission gear 2562. The rotary driver 2561 is arranged on the moving frame 252 as a power source and can output stable rotary power. By controlling the rotary direction and the rotary angle, controllable power is provided for the lifting of the lifting frame 253 or the lowering of the lifting frame 253, so as to ensure the lifting frame 253 to move along the vertical lifting module 2521 on the moving frame 252 and the starting, stopping and speed of the lifting action can be accurately controlled, so as to adapt to the requirements of the positioning height of the tail door blank with different thicknesses. The transmission gear 2562 is connected to the working end of the rotary driver 2561 and rotates around the middle axis thereof synchronously with the output shaft of the rotary driver 2561. The function of the transmission gear 2562 is to convert the rotary motion of the rotary driver 2561 into meshing transmission with the guide rack 2532, to act as an intermediate carrier for power transmission, to form stable engagement through the tooth profile structure of the gear and the rack, to ensure the efficiency and accuracy of power transmission, and to reduce power loss. The guide rack 2532 is arranged on the lifting frame 253 in the vertical direction and meshes with the transmission gear 2562. When the transmission gear 2562 rotates under the driving of the rotary driver 2561, the rack converts the rotary motion of the gear into linear motion of itself through the meshing relationship between the teeth, and then drives the whole lifting frame 253 to slide in the vertical direction. At the same time, the vertical extension direction of the rack provides accurate motion guidance for the lifting frame 253, so as to ensure that the lifting frame 253 will not deviate laterally during the upward and downward movement, to ensure the straightness and stability of the lifting action, and finally to realize the accurate positioning of the profiling abutting piece 254 in the height direction.

[0031] Further, the positioning assembly 250 in the embodiment further comprises an abutting driver arranged on the lifting frame 253, and a working end of the abutting driver is connected to the profiling abutting piece 254 to push the profiling abutting piece 254 to move along the inclined lifting module 2531. Since the profiling abutting piece 254 has a profiling design, i.e., is shaped according to the common shape features of the tailgate blank, in the positioning process, the profiling abutting piece 254 can tightly fit the edges, protrusions or depressions of the tailgate blank, and stably fix the tailgate blank on the lower tire film 260 through friction and abutting force, so as to prevent the tailgate blank from being displaced in the hot melting process and ensure the processing precision. Further, the inclined lifting module 2531 provides a movement track for the profiling abutting piece 254 to extend obliquely towards the tailgate blank, and the pushing force of the abutting driver drives the profiling abutting piece 254 to move along the track. In this process, the movement of the profiling abutting piece 254 simultaneously includes a horizontal component close to the tailgate blank and a vertical component fit the surface of the blank. Under the pushing of the abutting driver, the profiling abutting piece 254 will gradually fit the surface profile of the blank along the inclined track, solving the problem that the traditional straight pushing type positioning is difficult to adapt to the complex surface.

[0032] Further, the profiling abutting piece 254 in the embodiment comprises a connecting part 2541 and an elastic profiling part 2542. The connecting part 2541 is connected to the lifting frame 253, and the elastic profiling part 2542 is arranged towards the lower tire film 260. The elastic profiling parts 2542 of the plurality of positioning assemblies 250 collectively enclose a fixing space, and the shape of the fixing space matches the peripheral shape of the lower tire film 260. After the tailgate blank is placed on the lower tire film 260, the elastic profiling part 2542 can form a wrapping constraint on the blank from multiple directions. Through the coordinated abutting in multiple directions, the fixing space can completely adapt to the shape of the tailgate blank and stably limit the tailgate blank in the preset position, effectively preventing the displacement of the blank due to vibration, thermal expansion and cold contraction in the hot melting process, and ensuring that the positioning reference of the tailgate blank is completely consistent with the lower tire film 260, thereby providing a basis for the accurate positioning of the subsequent upper die buckling and hot melting process.

[0033] Referring to Figure 6 and Figure 7As shown, the upper tire membrane 130 and the lower tire membrane 260 in the embodiment are provided with clamps 400, the clamps 400 include clamping drives 410, transmission rods 420 and limit blocks, the upper tire membrane 130 and the lower tire membrane 260 are provided with at least one avoiding through hole, the clamping drives 410 are connected to the upper tire membrane 130 and the lower tire membrane 260 respectively, one end of the transmission rod 420 is connected to the working end of the clamping drive 410, the other end is connected to the limit block, the limit block can be provided with the avoiding through hole to contact the connecting element to be processed. Therefore, the clamp 400 cooperates with the upper and lower tire membranes 260 to form rigid fixation of the tail door element through the power output of the clamping drive 410, the accurate force transmission of the transmission rod 420, the profiling contact of the limit block and the guidance of the avoiding through hole, further guaranteeing the position accuracy of the element in the processing process.

[0034] Further, the embodiment further includes a control system, in the actual production and processing process, the operator can control the above structure in real time through the control system, thereby improving the use flexibility of the device, and the parameters can be preset through the control system, thereby improving the automation degree of the device.

[0035] In summary, the automobile tail door processing equipment disclosed by the application realizes efficient and accurate processing of the automobile tail door through the hot melting mechanism 300 for hot melting of the blank to be processed, and the cooperative work of the lower die mechanism 200 and the upper die mechanism 100. The lower die mechanism 200 coarsely adjusts the actual processing position of the blank through the supporting plate 210 and the floating plate 240, and the plurality of positioning assemblies 250 can adjustably position and support the blank according to the outer contour of the blank, thereby ensuring the position accuracy of the tail door blank in the processing process, and completely solving the problem that the position of the blank changes easily in the processing process. Compared with the conventional automobile tail door processing technology, the application can effectively improve the processing precision of the automobile tail door, reduce the processing defects caused by inaccurate positioning and unstable hot melting, improve the production quality and efficiency of the automobile tail door, and meet the demand of the automobile manufacturing industry for high-quality and high-efficiency tail door processing.

[0036] Obviously, the above embodiment is only an example for clear illustration, and is not a limitation on the implementation. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the implementation modes are not required or can not be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the application.

Claims

1. A car tailgate processing equipment, characterized in that: include: The lower mold mechanism includes a support plate, a floating plate, and multiple positioning components. The floating plate is slidably connected to the support plate along a first direction, and the lower tire membrane is supported on the floating plate. The multiple positioning components are respectively connected to the floating plate and arranged around the lower tire membrane. Any positioning component includes a movable frame, a lifting frame, and a contoured abutment. The movable frame is connected to the floating plate and can move closer to / away from the lower tire membrane. The lifting frame is slidably connected to the movable frame along a vertical direction and has an inclined lifting module that extends obliquely toward the lower tire membrane. The contoured abutment is slidably connected to the inclined lifting module. The upper mold mechanism moves up and down above the lower mold mechanism, and includes a connecting plate and an upper tire membrane, which can be fastened to the lower tire membrane. A hot-melting mechanism, movable between the upper mold mechanism and the lower mold mechanism, includes a heating lamp assembly.

2. The automobile tailgate processing equipment according to claim 1, characterized in that: The upper mold mechanism includes at least two upper mold docking posts, and the lower mold mechanism includes at least two lower mold docking posts. The upper mold docking posts and the lower mold docking posts are arranged in a one-to-one correspondence and can be plugged into each other.

3. The automobile tailgate processing equipment according to claim 1, characterized in that: The lower mold mechanism includes at least one floating module extending along a first direction. The floating plate is slidably connected to the floating module. The floating plate is provided with a plurality of fine adjustment modules. Any of the fine adjustment modules extends toward the lower membrane. The plurality of positioning components are slidably connected to the plurality of fine adjustment modules respectively.

4. The automobile tailgate processing equipment according to claim 1, characterized in that: The positioning component further includes a lifting drive component, which is disposed between the movable frame and the lifting frame. The lifting drive component includes a rotary driver and a transmission gear. The rotary driver is disposed on the movable frame, and the transmission gear is connected to the working end of the rotary driver to rotate around its central axis. The lifting frame is provided with a guide rack, which extends vertically and meshes with the transmission gear.

5. The automobile tailgate processing equipment according to claim 1, characterized in that: The positioning component also includes an abutment driver, which is disposed on the lifting frame and its working end is connected to the contour abutment to push the contour abutment to move along the inclined lifting module.

6. The automobile tailgate processing equipment according to claim 1, characterized in that: The positioning component also includes a positioning sensor, which is connected to the floating plate and positioned towards the lower membrane.

7. The automobile tailgate processing equipment according to claim 1, characterized in that: The conforming abutment includes a connecting part and an elastic conforming part. The connecting part is connected to the lifting frame, and the elastic conforming part is disposed towards the lower tire membrane. The elastic conforming parts of the plurality of positioning components together provide to enclose a fixed space, and the shape of the fixed space matches the outer shape of the lower tire membrane.

8. The automobile tailgate processing equipment according to claim 1, characterized in that: The upper mold mechanism includes a connecting plate, one side of which is connected to the upper membrane, and the other side is externally connected to a lifting and moving device.

9. The automobile tailgate processing equipment according to claim 1, characterized in that: Both the upper and lower tire membranes are equipped with clamps, each clamp including a clamping driver, a transmission rod, and a limiting block. Both the upper and lower tire membranes are provided with at least one clearance through hole. The clamping driver is connected to the upper and lower tire membranes respectively. One end of the transmission rod is connected to the working end of the clamping driver, and the other end is connected to the limiting block. The limiting block can pass through the clearance through hole to contact and connect with the component to be processed.

10. The automobile tailgate processing equipment according to claim 1, characterized in that: The hot melt mechanism includes a first hot melt module, a hot melt carriage, a heating lamp assembly, and a second hot melt module. The first hot melt module extends along a first direction, the hot melt carriage is slidably connected to the first hot melt module, the second hot melt module is provided on the hot melt carriage, the second hot melt module extends along a second direction, and the heating lamp assembly is slidably connected to the second hot melt module.

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