Pinch guard strip bonding apparatus

Abstract

The utility model discloses a kind of anti-pinch strip bonding equipment, including first membrane, second membrane, first rotating mechanism, second rotating mechanism, baking device and telescopic mechanism, first membrane is used to install tailgate, second membrane is used to install anti-pinch strip, first rotating mechanism is used to drive the rotation of the first membrane, second rotating mechanism is used to drive the rotation of the second membrane, baking device is used to carry out baking to the bonding area of the tailgate;Telescopic mechanism is used to drive the movement of the baking device.By first rotating mechanism drive first membrane is rotated to the position corresponding to baking device and second membrane respectively, then drive baking device to move by telescopic mechanism, and by second rotating mechanism drive second membrane to rotate, realize automatic baking and automatic bonding, can satisfy the requirement of adhesive tape bonding force, can also improve production rhythm.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts processing technology, and in particular to anti-pinch strip bonding equipment. Background Technology

[0002] With the booming development of China's automotive industry and increasingly fierce market competition, consumer demand for cars has shifted from simple transportation tools to personalized and high-quality vehicles. Under this trend, automotive styling design, as a key factor in enhancing product competitiveness, has received high attention from major automakers. To achieve more streamlined, lightweight, and personalized body designs, more and more models are adopting plastic tailgates (also known as resin tailgates) instead of traditional sheet metal tailgates. This material innovation not only effectively reduces vehicle weight and improves fuel economy but also provides more space for complex styling. However, it also presents new challenges to the assembly processes of tailgate-related components.

[0003] As a crucial component ensuring vehicle safety, the tailgate anti-pinch strip's primary function is to prevent people or objects from being pinched during tailgate closing. A reliable connection between the anti-pinch strip and the tailgate is the core prerequisite for its stable function, and adhesive bonding, currently the mainstream connection method, directly impacts the anti-pinch strip's lifespan and safety performance.

[0004] In the existing production process, the bonding of the tailgate anti-pinch strip is mostly done manually. Specifically, operators need to manually apply double-sided tape to the designated position on the anti-pinch strip or tailgate, and then press it down to secure it. However, this manual operation mode has significant limitations. For example, the pressure, angle, and time of manual pressing are all controlled by experience, which can easily lead to incomplete pressing in some areas and poor adhesion between the tape and the contact surface, resulting in uneven distribution of adhesive force. Consequently, under high temperature and humidity conditions, there is a risk that the tape will detach from the tailgate. Utility Model Content

[0005] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes an anti-pinch strip bonding device that can meet the requirements of tape bonding force and improve production cycle time.

[0006] According to a first aspect of the present invention, the anti-pinch strip bonding device includes: The first membrane is used to install the tailgate; The second membrane is used to install anti-pinch strips; A first rotating mechanism is used to drive the first fetal membrane to rotate; The second rotating mechanism is used to drive the second fetal membrane to rotate; A baking device is used to bake the bonding area of ​​the tailgate; A telescopic mechanism is used to drive the baking device to move; The baking device and the second tire membrane are located on opposite sides of the first tire membrane. When the first rotating mechanism drives the first tire membrane to rotate to the side where the baking device is located, the telescopic mechanism drives the baking device to approach the tailgate and bake the bonding area of ​​the tailgate. When the first rotating mechanism drives the first tire membrane to rotate to the side where the second tire membrane is located, the second rotating mechanism drives the second tire membrane to rotate and approach the first tire membrane, so that the anti-pinch strip is pressed against the bonding area of ​​the tailgate.

[0007] The anti-pinch strip bonding device according to the present utility model has at least the following beneficial effects: the first rotating mechanism drives the first film to rotate to the position corresponding to the baking device and the second film respectively, the telescopic mechanism drives the baking device to move, and the second rotating mechanism drives the second film to rotate, so as to realize automatic baking and automatic bonding, which can meet the requirements of tape bonding force and improve the production cycle.

[0008] According to some embodiments of the present invention, the first membrane is provided with a positioning block and a clamping device. The positioning block is used to position the tailgate, and the clamping device is used to fix the tailgate to the first membrane.

[0009] According to some embodiments of the present invention, the first rotating mechanism includes a first motor and a base, two first membranes are disposed on the base, the two first membranes are respectively located on opposite sides of the base, and the first motor drives the base to rotate around a vertical axis.

[0010] According to some embodiments of the present invention, the second membrane includes multiple installation units and multiple pressure-holding cylinders. The multiple installation units are arranged along the length direction of the anti-pinch strip. Each installation unit is provided with an installation groove for accommodating the anti-pinch strip. The bottom wall of the installation groove is provided with a vacuum hole. The vacuum hole is connected to a negative pressure device. Each pressure-holding cylinder is used to drive one of the installation units to move toward the tailgate.

[0011] According to some embodiments of the present invention, the second rotating mechanism includes a frame, a first guide rail and a second motor. The second membrane is installed in the frame. The second motor drives the frame to rotate around one side of the frame. The first guide rail supports the frame and guides the frame to move.

[0012] According to some embodiments of the present invention, the second rotating mechanism further includes a third motor and a first mounting plate. The second diaphragm is fixedly connected to both sides of the first mounting plate. The first mounting plate is rotatably connected to the middle part of the frame. The third motor drives the first mounting plate to rotate.

[0013] According to some embodiments of the present invention, the frame is provided with a limiting part, and each side of the first mounting plate is provided with a limiting block. When the third motor drives the first mounting plate to rotate forward, the limiting part abuts against one of the limiting blocks; when the third motor drives the first mounting plate to rotate in reverse, the limiting part abuts against the other limiting block.

[0014] According to some embodiments of the present invention, the second rotating mechanism further includes a positioning cylinder and a positioning column. The first mounting plate is provided with a positioning hole. When the limiting part abuts against the first mounting plate, the positioning cylinder drives the positioning column to pass through the positioning hole to restrict the rotation of the first mounting plate.

[0015] According to some embodiments of the present invention, each end of the first guide rail is provided with a set of limiting structures, the limiting structures including a V-groove and a damper, the frame abuts against the damper, and the lower end of the frame is provided with a positioning part that cooperates with the V-groove.

[0016] According to some embodiments of the present invention, the baking device includes a plurality of heating lamps and a plurality of temperature sensors. The plurality of heating lamps are arranged along the length direction of the anti-pinch strip, and each temperature sensor is used to detect the temperature of the heating area of ​​one of the heating lamps.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein: Figure 1 This is a schematic diagram of the assembly of the tailgate and anti-pinch strip; Figure 2 This is a schematic diagram of the anti-pinch strip bonding device according to an embodiment of the present utility model; Figure 3 This is a front view of the anti-pinch strip bonding device according to an embodiment of the present utility model; Figure 4 for Figure 2 The diagram shown illustrates the anti-pinch strip bonding equipment concealed within the frame. Figure 5 for Figure 4 A schematic diagram showing the first membrane and the first rotating mechanism; Figure 6 for Figure 4 A schematic diagram showing the second membrane and part of the second rotating mechanism; Figure 7 for Figure 6A schematic diagram showing the second membrane and part of the second rotating mechanism at another angle; Figure 8 for Figure 6 A schematic diagram of the mounting unit is shown; Figure 9 This is a schematic diagram of the second mounting plate, heating lamp, and temperature sensor.

[0019] Figure label: 110. Tailgate; 120. Anti-pinch strip; 200. Frame; 300. First diaphragm; 310. Positioning block; 321. Clamping cylinder; 322. Clamping block; 400. Second diaphragm; 410. Mounting unit; 411. Mounting slot; 412. Vacuum vent; 420. Pressure holding cylinder; 500. First rotating mechanism; 510. First motor; 520. Base; 600. Second rotating mechanism; 610. Frame; 611. Limit switch Part; 612, Second guide rail; 620, First guide rail; 621, V-groove; 622, Damper; 630, Second motor; 640, Third motor; 650, First mounting plate; 651, Limit block; 652, Positioning hole; 660, Positioning cylinder; 670, Positioning post; 700, Baking device; 710, Heating lamp; 720, Temperature sensor; 810, Telescopic cylinder; 820, Guide rod; 830, Second mounting plate. Detailed Implementation

[0020] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0021] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0022] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0023] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0024] Reference Figure 1 The tailgate 110 (also known as the trunk door or tailgate) is a key component at the rear of the vehicle. The anti-pinch strip 120 (also known as the "anti-pinch rubber strip") is an elastic sealing component installed on the edge of the tailgate 110 (where it seals against the vehicle body). After being installed on the tailgate 110, the anti-pinch strip 120 detects obstacles (such as hands or heads) when closing the door through elastic deformation, triggering the tailgate 110 to stop or rebound, thus preventing injury.

[0025] Traditional manual bonding relies on operator experience and suffers from problems such as uneven force and positioning deviations, and has been gradually replaced by automated equipment. Current automated equipment can only handle bonding of small parts, such as anti-pinch strips 120 and 3M tape, anti-pinch strips 120 and plastic tailgates 110. Moreover, these devices are horizontal and occupy a large space. Currently, they can only handle bonding along near-linear trajectories and cannot bond parts with multiple curved surfaces.

[0026] Reference Figure 2 , Figure 3 and Figure 4 The anti-pinch strip 120 bonding device of this utility model embodiment includes a frame 200, a first preform 300, a second preform 400, a first rotating mechanism 500, a second rotating mechanism 600, a baking device 700, and a telescopic mechanism. The frame 200 is the basic frame of the entire device, used to fix and support all other components, ensuring the stability of the overall structure. The first preform 300 is a tooling specifically used for positioning and fixing the tailgate 110. Its overall shape matches the tailgate 110, ensuring that the tailgate 110 is accurately positioned and does not wobble during processing. The second preform 400 is a tooling used for installing and fixing the anti-pinch strip 120, and it is also adapted to the shape of the anti-pinch strip 120, ensuring the positional accuracy of the anti-pinch strip 120 during bonding. The first rotating mechanism 500 is used to drive the first membrane 300 to rotate. The first rotating mechanism 500 is a power component that drives the first membrane 300 (and the tailgate 110 fixed thereon) to rotate, and can drive the tailgate 110 to switch to different work positions (such as the baking work position and the bonding work position). The second rotating mechanism 600 is used to drive the second membrane 400 to rotate. The second rotating mechanism 600 is a component that drives the second membrane 400 (and the anti-pinch strip 120 fixed thereon) to rotate. Its main function is to drive the anti-pinch strip 120 to press against the tailgate 110 during the bonding stage to achieve precise docking.

[0027] After manual cleaning and primer application to the bonding area of ​​the tailgate 110, the baking device 700 heats and cures the primer coating on the bonding area (i.e., the primer-coated area) of the tailgate 110. A telescopic mechanism controls the movement of the baking device 700 (e.g., moving closer to or further away from the tailgate 110) to ensure precise alignment with the bonding area during baking. After completion, it automatically retracts without affecting subsequent processes. The baking device 700 and the second protective film 400 are located on opposite sides of the first protective film 300, employing a "dual-station layout." The tailgate 110 switches between the two stations via the first rotating mechanism 500, completing the "baking pretreatment" and "anti-pinch strip 120 bonding" respectively, resulting in a more compact process.

[0028] When the first rotating mechanism 500 drives the first tire film 300 to rotate to the side where the baking device 700 is located, the telescopic mechanism drives the baking device 700 to move towards the tailgate 110 until it is aligned with and close to the bonding area, and heats and bakes the area (the heating temperature and time can be set according to the characteristics of the tape). After baking is completed, the telescopic mechanism drives the baking device 700 to retract, and the first rotating mechanism 500 starts again, rotating the tailgate 110 to the other side where the second tire film 400 is located.

[0029] After the tailgate 110 reaches the side of the second membrane 400, the second rotating mechanism 600 starts to work: it drives the second membrane 400 (and the anti-pinch strip 120) to rotate and gradually approach the first membrane 300 (tailgate 110), finally aligning the anti-pinch strip 120 precisely with the baked bonding area of ​​the tailgate 110, and applying pressure to press the anti-pinch strip 120 firmly onto the tailgate 110. Mechanical force ensures a tight fit and guarantees that the adhesive strength of the tape meets the requirements.

[0030] Operating procedure of the anti-pinch strip 120 bonding equipment: The operator accurately places the tailgate 110 on the first film 300, using the positioning structure of the first film 300 to fix the position of the tailgate 110. The anti-pinch strip 120 is then assembled into the second film 400, completing the material preparation for subsequent processes. The bonding area of ​​the tailgate 110 is manually cleaned to remove surface dust, oil, release agent, and other impurities to avoid affecting the adhesive tape's bonding effect. After cleaning, a primer is applied. After pretreatment, the first film 300, driven by the first rotating mechanism 500, rotates from the pretreatment position to the heating station, ready for baking. The baking device 700 at the heating station moves forward under the drive of the telescopic mechanism, precisely aligning with the primer area of ​​the tailgate 110. Baking achieves complete flash-drying of the primer, increasing the cycle time by 10 seconds compared to natural air drying. After baking, the first film 300 rotates 180° again and moves to the pressing station. The second membrane 400 and the anti-pinch strip 120, driven by the second rotating mechanism 600, rotate from their initial position (upper part position) to the tailgate 110 end, ensuring precise alignment of the anti-pinch strip 120 with the bonding area of ​​the tailgate 110, and maintaining a certain pressure for a period of time to ensure that the tape is fully adhered and the adhesive force is stable. After the pressure is maintained, the second rotating mechanism 600 rotates the second membrane 400 back to the initial upper part position, awaiting the assembly of the next anti-pinch strip 120.

[0031] It should be noted that, Figure 2 The baking device 700 is only set on one side of the first membrane 300 to facilitate understanding of the overall layout. In actual operation, baking devices 700 are set on both sides of the first membrane 300 to improve work efficiency. Figure 4 The second membrane 400 on both sides is positioned differently relative to the first membrane 300 to facilitate understanding of the working conditions of the second membrane 400 in different positions. In actual operation, the second membrane 400 on both sides is positioned the same relative to the first membrane 300 to improve work efficiency.

[0032] Reference Figure 5The first membrane 300 is equipped with a positioning block 310 and a clamping device. The positioning block 310 is used to position the tailgate 110, and the clamping device is used to fix the tailgate 110 to the first membrane 300. The positioning block 310 is a protrusion or groove-like tooling structure on the first membrane 300 that matches the structure of the tailgate 110. Its shape, size, and position are designed according to the specific contour of the tailgate 110 (such as edge holes and curved surface features). When the tailgate 110 is manually placed on the first membrane 300, the positioning block 310 will cooperate with specific parts of the tailgate 110 (such as mounting holes and edge steps) to restrict the horizontal displacement of the tailgate 110 (front and back, left and right), ensuring that the tailgate 110 is placed in the same position each time, and the deviation is controlled within a very small range. After the tailgate 110 is positioned by the positioning block 310, the clamping device applies pressure to firmly fix the tailgate 110 to the first diaphragm 300, preventing it from loosening or shifting during equipment operation (such as rotational switching of workstations or slight vibrations during baking). The clamping device may include a clamping cylinder 321 and a clamping block 322. The clamping cylinder 321 pushes the clamping block 322 to move, thereby clamping or releasing the tailgate 110.

[0033] Reference Figure 5 The first rotating mechanism 500 includes a first motor 510 and a base 520. Two first membranes 300 are mounted on the base 520, located on opposite sides of the base 520. The first motor 510 drives the base 520 to rotate around a vertical axis. The base 520 is a rotating platform that supports the tailgate 110 membrane. One first membrane 300 is mounted on each opposite side of the base 520, meaning the two membranes 300 are symmetrically distributed at 180°. Each first membrane 300 integrates a positioning block 310, clamping device, and other structures for fixing the tailgate 110. This layout forms an alternating operation dual-station mode. When the tailgate 110 on one first membrane 300 is being processed at a certain station (such as a heating station), the other first membrane 300 can perform manual operations (removing the processed tailgate 110 and placing a new tailgate 110) at a corresponding station (such as an unloading / loading station), achieving parallel processing, thereby eliminating equipment waiting time and improving cycle efficiency.

[0034] Reference Figure 6 and Figure 8The second membrane 400 includes multiple mounting units 410 and multiple pressure-holding cylinders 420. The mounting units 410 are arranged along the length of the anti-pinch strip 120, and each mounting unit 410 corresponds to a segment of the anti-pinch strip 120. Each mounting unit 410 has a mounting groove 411 for accommodating the anti-pinch strip 120. Its shape and size are perfectly matched to the corresponding segment of the anti-pinch strip 120 (such as the curvature of the anti-pinch strip 120, and protrusions / recesses), ensuring that the anti-pinch strip 120 does not shift in the horizontal direction (left and right, front and back) after placement, thus achieving initial positioning. The bottom wall of the mounting groove 411 is provided with vacuum holes 412, which are connected to a negative pressure device (such as a vacuum pump or vacuum generator). When the anti-pinch strip 120 is placed in the mounting groove 411, the negative pressure device is activated, and the suction force is generated through the air holes to firmly fix the anti-pinch strip 120 in the mounting groove 411, preventing it from falling off or shifting during the rotation or movement of the membrane. Each pressure-holding cylinder 420 is used to drive an installation unit 410 to move toward the tailgate 110. The thrust of a single pressure-holding cylinder 420 can be adjusted individually according to the bonding requirements of the corresponding section of the anti-pinch strip 120, avoiding the problems of "insufficient local pressure" or "overpressure damage" caused by traditional overall pressing, and ensuring that the bonding force of the anti-pinch strip 120 is uniform throughout its entire length. It is especially adaptable to structures with multiple curved surfaces and corners.

[0035] Reference Figure 4 , Figure 6 and Figure 7 The second rotating mechanism 600 includes a frame 610, a first guide rail 620, and a second motor 630. The second membrane 400 is installed inside the frame 610. The second motor 630 drives the frame 610 to rotate around one side of the frame 610. The first guide rail 620 supports the frame 610 and guides its movement. The frame 610 is a frame structure that supports the second membrane 400 and also serves as a carrier connecting the second membrane 400 and the driving component. By rotating the frame 610 around one side, the spatial angle of the anti-pinch strip 120 is changed, allowing it to rotate from its initial position (facilitating manual placement of the anti-pinch strip 120) to an angle that matches the bonding area of ​​the tailgate 110, thus preparing the posture for subsequent bonding.

[0036] Reference Figure 6 and Figure 7The second rotating mechanism 600 also includes a third motor 640 and a first mounting plate 650. Second membranes 400 are fixedly connected to opposite sides of the first mounting plate 650. The first mounting plate 650 is rotatably connected to the middle of the frame 610. The third motor 640 drives the first mounting plate 650 to rotate. The first mounting plate 650 is a flat plate structure used to fix the second membranes 400, with two second membranes 400 symmetrically distributed on both sides of the mounting plate. Simultaneously, the mounting plate is connected to the middle of the frame 610 via a rotating shaft and can rotate freely around its own axis. When the mounting plate rotates, it can drive the second membranes 400 on both sides to alternately enter the working position (the pressing position near the tailgate 110) or the loading position (the loading position away from the tailgate 110). When the second membrane 400 on one side completes the pressing of the anti-pinch strip 120 under the drive of the frame 610, the second membrane 400 on the other side can be manually loaded at the loading position (installing a new anti-pinch strip 120). The quick switching is achieved by rotating the mounting plate 180°, avoiding equipment idleness due to waiting for loading, and greatly improving the efficiency of single-shift operation.

[0037] Reference Figure 6 and Figure 7 The second rotating mechanism 600 also includes a second guide rail 612, which guides the rotation of the first mounting plate 650, making the rotation of the first mounting plate 650 smoother and supporting the first mounting plate 650.

[0038] Reference Figure 6 and Figure 7 The frame 610 is provided with a limiting part 611, and each side of the first mounting plate 650 is provided with a limiting block 651. When the third motor 640 drives the first mounting plate 650 to rotate forward, the limiting part 611 abuts against one of the limiting blocks 651; when the third motor 640 drives the first mounting plate 650 to rotate in reverse, the limiting part 611 abuts against the other limiting block 651. The limiting part 611 is a rigid protrusion (such as a metal block) provided on the frame 610, and its position is fixed, serving as a "reference point" for the first mounting plate 650 to rotate into position. Its shape is usually a wear-resistant block structure, which can withstand the impact force when colliding with the limiting block 651, ensuring that the positioning accuracy is maintained after long-term use. The two limiting blocks 651 are respectively fixed on both sides of the first mounting plate 650 and rotate synchronously with the mounting plate. Their position design matches the limiting part 611. When the mounting plate rotates to a specific angle, one of the limiting blocks 651 will contact the limiting part 611 on the frame 610.

[0039] When the third motor 640 drives the first mounting plate 650 to rotate clockwise, the mounting plate causes the limiting block 651 on one side to gradually approach the limiting part 611 until the two abut. At this time, the mounting plate rotates to a preset angle (usually 180°), and the second membrane 400 on the corresponding side precisely reaches the working position (aligned with the pressing position of the tailgate 110), and the motor stops rotating due to mechanical resistance. When the motor drives the mounting plate to rotate counterclockwise, the limiting block 651 on the other side rotates with the mounting plate and finally abuts against the limiting part 611, causing the mounting plate to return to the initial angle, and the second membrane 400 on the other side accurately switches to the working position.

[0040] The angle is preset through servo control of the third motor 640, and over-rotation caused by cumulative motor error or inertia is eliminated through mechanical limiting (limiting part 611 abuts against limiting block 651). This ensures that the two second diaphragms 400 are accurately aligned after each switch, avoiding misalignment of the anti-pinch strip 120 due to positional deviation. The mechanical limiting can limit the rotation range of the mounting plate, preventing over-travel due to motor failure or program error, avoiding collisions between the frame 610, mounting plate, or diaphragms, and protecting the equipment structure and workpieces such as the anti-pinch strip 120 and tailgate 110 from damage.

[0041] Reference Figure 7 The second rotating mechanism 600 also includes a positioning cylinder 660 and a positioning pin 670. The first mounting plate 650 is provided with a positioning hole 652. When the limiting part 611 abuts against the first mounting plate 650, the positioning cylinder 660 drives the positioning pin 670 to pass through the positioning hole 652, thereby limiting the rotation of the first mounting plate 650. The positioning cylinder 660 is a pneumatic component that provides linear driving force, and its piston rod is connected to the positioning pin 670 (or the positioning pin 670 directly serves as an extension of the piston rod). The positioning pin 670 is a rigid cylinder (or a non-circular column that matches the positioning hole 652) and can move axially under the drive of the cylinder. The positioning hole 652 is opened on the first mounting plate 650, and its position corresponds to that of the positioning pin 670. When the mounting plate rotates to the "positioned position" where the limiting part 611 abuts against the limiting block 651, the positioning hole 652 is exactly aligned with the axis of the positioning pin 670, providing a channel for the positioning pin 670 to pass through. When the limiting part 611 abuts against the limiting block 651 (the mounting plate has been rotated into position), the positioning cylinder 660 is activated, driving the positioning pin 670 to extend and penetrate into the positioning hole 652 of the first mounting plate 650. The rigid fit between the pin and the hole restricts the rotational freedom of the mounting plate. When it is necessary to change the diaphragm, the positioning cylinder 660 first drives the positioning pin 670 to retract from the positioning hole 652, releasing the lock, and then the third motor 640 can drive the mounting plate to rotate.

[0042] When the anti-pinch strip 120 is pressed against the tailgate 110, the pressure-holding cylinder 420 applies a thrust (which may generate a reaction force on the mounting plate). The simple contact of the limiting part 611 may cause slight rotation of the mounting plate due to gaps or vibration. After the positioning post 670 penetrates the positioning hole 652, it rigidly locks the mounting plate, ensuring the absolute stability of the anti-pinch strip 120 during pressing and improving bonding accuracy. The contact between the limiting part 611 and the limiting block 651 is mainly used for "position detection," while the cooperation between the positioning post 670 and the positioning hole 652 provides a "continuous locking" function, preventing gaps from forming in the limiting structure due to wear after long-term use, which could lead to a decrease in positioning accuracy. For bonding scenarios requiring greater pressure (such as wide anti-pinch strips 120 or special tapes), the locking of the positioning post 670 can disperse impact force, protect the third motor 640 and transmission components, and extend the equipment's service life.

[0043] Exhibitor Figure 4 Each end of the first guide rail 620 is provided with a set of limiting structures, including a V-groove 621 and a damper 622. The frame 610 abuts against the damper 622, and the lower end of the frame 610 is provided with a positioning part that mates with the V-groove 621. The V-groove is a rigid positioning structure fixed to the end of the guide rail, and the groove opening is "V" shaped (the included angle is usually 90° or 60°), serving as a precise positioning reference after the frame 610 is in place. The damper 622 is a buffer element (such as a hydraulic damper or an elastic buffer block) installed near the V-groove, used to absorb the kinetic energy of the frame 610 when it moves to the end point, reducing impact. As the frame 610 moves along the guide rail towards its endpoint, it first contacts the damper 622. The damper 622 dissipates the kinetic energy of the frame 610 through internal damping forces (such as hydraulic oil resistance and elastic deformation), allowing the frame 610 to decelerate smoothly from its motion state and avoiding hard collisions caused by inertia (protecting the frame 610, guide rail, anti-pinch strip 120, tailgate 110, and other workpieces). When the frame 610 decelerates to near rest, the positioning part at the lower end gradually engages with the V-groove. The two inclined surfaces of the V-groove generate lateral corrective forces on the positioning part. Even if the frame 610 has a slight offset (such as ±0.5mm), it can be automatically adjusted to the center position by the inclined guide, achieving "gap-free" precise positioning.

[0044] Reference Figure 9The baking apparatus 700 includes multiple heating lamps 710 and multiple temperature sensors 720. The heating lamps 710 are arranged along the length of the anti-pinch strip 120, and each temperature sensor 720 is used to detect the temperature of the heating area corresponding to one heating lamp 710. The heating lamps 710 (which can be infrared lamps) release heat through infrared radiation to bake the bonding area (which has already undergone primer treatment) of the tailgate 110. The multiple lamps are arranged in segments, allowing for individual control of the heating power for different sections of the bonding area (such as straight sections and corner sections), avoiding uneven heating due to regional differences (for example, the heat dissipation is faster at corners, so the lamp power can be increased accordingly). Each temperature sensor 720 is responsible for detecting the real-time temperature of the heating area corresponding to one heating lamp 710, providing real-time feedback on the actual temperature of each area to ensure that the heating process meets the process requirements and avoids local overheating or underheating.

[0045] The bonding area of ​​the tailgate 110 corresponding to the anti-pinch strip 120 may have complex shapes (such as curved surfaces or corners) or differences in material thickness, making it difficult for a single heating source to guarantee a uniform temperature throughout the entire area. Multiple lamps are heated in sections, and corresponding sensors monitor the process, enabling "temperature difference compensation" through the control system. When a sensor detects a low temperature in a certain area, the power of the corresponding lamp is automatically increased; conversely, the power is reduced to ensure that the temperature at all points in the bonding area is within the optimal range for the process.

[0046] Reference Figure 2 and Figure 9 The telescopic mechanism includes a telescopic cylinder 810, a guide rod 820, and a second mounting plate 830. A heating lamp 710 and a temperature sensor 720 are mounted on the second mounting plate 830. The telescopic cylinder 810 pushes the second mounting plate 830 to telescopically move. The guide rod 820 passes through the frame 200 and guides the movement of the second mounting plate 830. When the tailgate 110 rotates to the heating station, the telescopic cylinder 810 pushes the second mounting plate 830 forward, ensuring the heating lamp 710 is precisely aligned with the bonding area of ​​the tailgate 110. After baking, the cylinder pulls the mounting plate backward, creating space for the tailgate 110 to rotate to the next station and avoiding interference.

[0047] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. An anti-pinch strip bonding device, characterized in that, include: The first membrane is used to install the tailgate; The second membrane is used to install anti-pinch strips; A first rotating mechanism is used to drive the first fetal membrane to rotate; The second rotating mechanism is used to drive the second fetal membrane to rotate; A baking device is used to bake the bonding area of ​​the tailgate; A telescopic mechanism is used to drive the baking device to move; The baking device and the second tire membrane are located on opposite sides of the first tire membrane. When the first rotating mechanism drives the first tire membrane to rotate to the side where the baking device is located, the telescopic mechanism drives the baking device to approach the tailgate and bake the bonding area of ​​the tailgate. When the first rotating mechanism drives the first tire membrane to rotate to the side where the second tire membrane is located, the second rotating mechanism drives the second tire membrane to rotate and approach the first tire membrane, so that the anti-pinch strip is pressed against the bonding area of ​​the tailgate.

2. The anti-pinch strip bonding device according to claim 1, characterized in that, The first membrane is provided with a positioning block and a clamping device. The positioning block is used to position the tailgate, and the clamping device is used to fix the tailgate to the first membrane.

3. The anti-pinch strip bonding device according to claim 1, characterized in that, The first rotating mechanism includes a first motor and a base. Two first membranes are disposed on the base, and the two first membranes are respectively located on opposite sides of the base. The first motor drives the base to rotate around a vertical axis.

4. The anti-pinch strip bonding device according to claim 1, characterized in that, The second membrane includes multiple installation units and multiple pressure-holding cylinders. The multiple installation units are arranged along the length of the anti-pinch strip. Each installation unit is provided with an installation groove for accommodating the anti-pinch strip. The bottom wall of the installation groove is provided with a vacuum hole, which is connected to a negative pressure device. Each pressure-holding cylinder is used to drive one of the installation units to move toward the tailgate.

5. The anti-pinch strip bonding device according to claim 1, characterized in that, The second rotating mechanism includes a frame, a first guide rail, and a second motor. The second membrane is installed in the frame. The second motor drives the frame to rotate around one side of the frame. The first guide rail supports the frame and guides the frame to move.

6. The anti-pinch strip bonding device according to claim 5, characterized in that, The second rotating mechanism further includes a third motor and a first mounting plate. The second diaphragm is fixedly connected to both sides of the first mounting plate. The first mounting plate is rotatably connected to the middle of the frame. The third motor drives the first mounting plate to rotate.

7. The anti-pinch strip bonding device according to claim 6, characterized in that, The frame is provided with a limiting part, and a limiting block is provided on each side of the first mounting plate. When the third motor drives the first mounting plate to rotate forward, the limiting part abuts against one of the limiting blocks; when the third motor drives the first mounting plate to rotate in reverse, the limiting part abuts against the other limiting block.

8. The anti-pinch strip bonding device according to claim 7, characterized in that, The second rotating mechanism further includes a positioning cylinder and a positioning column. The first mounting plate is provided with a positioning hole. When the limiting part abuts against the first mounting plate, the positioning cylinder drives the positioning column to pass through the positioning hole to restrict the rotation of the first mounting plate.

9. The anti-pinch strip bonding device according to claim 5, characterized in that, Each end of the first guide rail is provided with a set of limiting structures, the limiting structures including a V-groove and a damper, the frame abuts against the damper, and the lower end of the frame is provided with a positioning part that cooperates with the V-groove.

10. The anti-pinch strip bonding device according to claim 1, characterized in that, The baking device includes multiple heating lamps and multiple temperature sensors. The multiple heating lamps are arranged along the length of the anti-pinch strip, and each temperature sensor is used to detect the temperature of the heating area of ​​one of the heating lamps.

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