A multi-directional linkage molding die for automotive sealing strip corners

CN122560428APending Publication Date: 2026-08-14KUNSHAN FUTE CLOTHING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-05-13
Publication Date
2026-08-14

AI Technical Summary

Technical Problem

[0003]现有汽车密封条接角成型作业中,传统模具多为固定角度的一体式结构,一种模具仅能对应一种特定角度的接角成型作业,使得企业需针对不同角度需求制备大量专用模具,不仅大幅增加了模具的设计、制造及存储成本,还占用了大量生产空间;且在生产过程中,针对不同规格的密封条接角成型需求,频繁更换模具,过程繁琐、耗时较长,严重影响了生产效率

Benefits of technology

[0016] 1. This invention adjusts the docking angle by rotating the bottom motor-driven angle frame rail, coordinating with the auxiliary motor to drive the secondary frame to slide along the angle frame rail, and simultaneously with the main motor driving the main frame to slide along the longitudinal groove. This achieves multi-directional linkage adjustment of the relative position and corner angle of the main and secondary frames. It eliminates the need for cumbersome mold changes, adapting to different angle sealing strip corner forming requirements, significantly improving mold versatility, reducing time and labor costs associated with mold replacement, and substantially increasing the efficiency of corner forming operations.

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Abstract

This invention provides a multi-directional linkage forming mold for automotive sealing strip corners, relating to the field of sealing strip processing. It includes a mold base with a strip frame assembly, which is composed of a main strip frame and a secondary strip frame. The mold base has a longitudinal groove, and the lower side wall of the main strip frame has a locking block. This invention adjusts the mating angle by driving the angle frame rail to rotate, coordinating with the secondary strip frame sliding along the angle frame rail and simultaneously with the main strip frame sliding along the longitudinal groove. This achieves multi-directional linkage adjustment of the relative position and corner angle of the main and secondary strip frames, adapting to the forming requirements of sealing strip corners at different angles, significantly improving the mold's versatility. By setting arc-shaped grooves and arc-shaped combination pieces at the mating ends of both the main and secondary strip frames, a complete and smooth arc-shaped mating surface can be formed, effectively avoiding problems such as mating gaps and misalignments that occur after mold angle adjustment, ensuring a smooth transition at the sealing strip corner.
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Description

Technical Field

[0001] This invention relates to the field of sealing strip processing, and in particular to a multi-directional linkage forming mold for automotive sealing strip corners. Background Technology

[0002] Automotive weatherstripping, a key sealing component of the car body, is widely used in doors, windows, trunks, and other areas. Its main function is to isolate external dust, moisture, and noise, while also providing cushioning, shock absorption, and improving the car body's airtightness. It is crucial for ensuring driving comfort and extending the vehicle's lifespan. The corner joints of the weatherstripping are a critical step in the molding process. Due to differences in installation space and sealing requirements in different parts of the car, the corner joints of the weatherstripping must be compatible with various angle specifications.

[0003] In the current automotive sealing strip corner forming process, traditional molds are mostly one-piece structures with fixed angles. One mold can only correspond to the corner forming operation of one specific angle. This requires companies to prepare a large number of special molds for different angle requirements, which not only greatly increases the design, manufacturing and storage costs of molds, but also occupies a lot of production space. Moreover, in the production process, molds need to be changed frequently to meet the corner forming requirements of different specifications of sealing strips. The process is cumbersome and time-consuming, which seriously affects production efficiency.

[0004] In addition, some existing adjustable-angle molding dies are difficult to quickly and accurately control the alignment of the two side frames during the actual adjustment process. It requires staff to constantly adjust the position for alignment, which is very troublesome. At the same time, after the initial adjustment and alignment of the two side frames, there is a certain gap or misalignment at the alignment position, which results in the lack of blank filling structure at the corner of the sealing strip, making the transition at the alignment position not smooth and unable to accurately meet the requirements of sealing performance and appearance quality.

[0005] Therefore, it is necessary to provide a new multi-directional linkage molding die for automotive sealing strip corners to solve the above-mentioned technical problems. Summary of the Invention

[0006] To solve the above-mentioned technical problems, the present invention provides a multi-directional linkage forming mold for automotive sealing strip corners.

[0007] This invention provides a multi-directional linkage forming mold for automotive sealing strip corners, comprising: a mold base, on which a strip frame assembly is provided, the strip frame assembly being composed of a main strip frame and a secondary strip frame; a longitudinal groove is provided in the mold base; a locking block is provided on the lower side wall of the main strip frame, the locking block being slidably connected to the longitudinal groove; a right-angle bracket is provided at one end of the longitudinal groove; an embedded shaft is rotatably connected between the right-angle bracket and the longitudinal groove; a main motor is mounted on the right-angle bracket, and the output end of the main motor is fixedly connected to the embedded shaft; and a multi-angle linkage mechanism, the multi-angle linkage mechanism including... The system includes a central groove located at the center of the mold base. An angle frame rail is provided in the central groove, and the main frame is located on the angle frame rail. An adjusting shaft is fixedly connected to the lower end of the angle frame rail, and the lower end of the adjusting shaft is rotatably connected to the central groove. A gear ring is provided on the adjusting shaft, and a side gear is provided on one side of the gear ring. The side gear meshes with the gear ring. An installation position is provided in the central groove, and a bottom motor is installed and connected in the installation position. The output end of the bottom motor is fixedly connected to the side gear. A feeding component is provided between the secondary frame and the angle frame rail.

[0008] Preferably, the embedded shaft is a threaded rod, the snap-in block has a threaded opening, the snap-in block is threadedly connected to the embedded shaft, the angle frame rail has a T-shaped rail groove, and the lower end frame wall of the sub-frame has a T-shaped block, the T-shaped block is slidably connected to the T-shaped rail groove.

[0009] Preferably, the gear ring has a fixed cross inside, and the fixed cross is fixedly connected to the adjusting shaft.

[0010] Preferably, an external stabilizing rail is fixedly connected to the mold base, an extension plate is provided at one end of the angle frame rail, a stabilizing groove is provided in the external stabilizing rail, the extension plate is slidably connected to the stabilizing groove in the external stabilizing rail, two fitting arc plates are symmetrically provided on the extension plate, the two fitting arc plates are respectively provided on both sides of the external stabilizing rail, and a stop roller is installed in each of the two fitting arc plates, the two a stop rollers on both sides are respectively fitted and pressed against the two side walls of the external stabilizing rail.

[0011] Preferably, the positioning component includes a synchronizing block, which is fixedly connected to the side wall of the T-block. The side wall of the angle frame rail is provided with a through transverse groove, and the synchronizing block is slidably connected to the through transverse groove. One end of the synchronizing block is fixedly connected to a synchronizing cylinder. Two lugs are symmetrically provided on one side wall of the angle frame rail, and a side-mounted shaft is rotatably connected between the two lugs. An auxiliary positioning motor is installed on one end of the lug, and the output end of the auxiliary positioning motor is fixedly connected to one end of the side-mounted shaft. The side-mounted shaft is a threaded rod, and the synchronizing cylinder is threadedly connected to the side-mounted shaft.

[0012] Preferably, the mold base is provided with an external fastening rail, which is located outside the external stabilizing rail. The external fastening rail has a track groove. One end of the extension plate extends into the track groove of the external fastening rail. One end of the extension plate is fixedly connected to a stand. A limit cylinder is fixedly connected to the stand. A pressure rod is slidably connected to the limit cylinder. A pressure plate is fixedly connected to the lower end of the pressure rod. A drive plate is provided at the upper end of the pressure rod. A drive shaft is rotatably connected to the stand. A rotating ring is installed at the top end of the drive shaft. The drive shaft is a threaded rod. The drive plate is threadedly connected to the drive shaft. The pressure plate is located above the external fastening rail.

[0013] Preferably, each of the main frame and the secondary frame has an arc-shaped mounting groove in one end of the frame that is close to each other, and each of the two arc-shaped mounting grooves has an arc-shaped assembly piece. Each of the two arc-shaped assembly pieces has an extension block on its lower side. A through groove is provided at the lower position of the two arc-shaped mounting grooves, and the two extension blocks are slidably connected to the through groove.

[0014] Preferably, a partial gear is fixedly connected to the outer wall of the extension block, and an adjusting pinion is provided on the outside of the partial gear. The adjusting pinion meshes with the partial gear, and a small motor is provided on the lower side of the adjusting pinion. Mounting brackets are provided on the lower side walls of the main frame and the secondary frame, and the small motor is fixedly mounted on the mounting brackets. A pressure sensor is installed and connected at the end of one end of the arc-shaped combined piece.

[0015] Compared with related technologies, the multi-directional linkage forming mold for automotive sealing strip corners provided by this invention has the following beneficial effects:

[0016] 1. This invention adjusts the docking angle by rotating the bottom motor-driven angle frame rail, coordinating with the auxiliary motor to drive the secondary frame to slide along the angle frame rail, and simultaneously with the main motor driving the main frame to slide along the longitudinal groove. This achieves multi-directional linkage adjustment of the relative position and corner angle of the main and secondary frames. It eliminates the need for cumbersome mold changes, adapting to different angle sealing strip corner forming requirements, significantly improving mold versatility, reducing time and labor costs associated with mold replacement, and substantially increasing the efficiency of corner forming operations.

[0017] 2. The present invention utilizes the sliding fit between the extension plate and the external stabilizing rail, and the arc-shaped plates on both sides of the extension plate are attached to the side wall of the external stabilizing rail by the abutment rollers, so as to form a lateral limiting and guiding structure, which effectively avoids the deviation and shaking during the rotation of the angle frame rail, and ensures that the external stabilizing rail is sufficiently stable when the angle adjustment is completed.

[0018] 3. This invention utilizes the cooperation between the external fastening rail and the extension plate to rotate the drive shaft by rotating the ring. The threaded connection between the drive shaft and the drive plate drives the pressure rod to slide down along the limiting cylinder, allowing the pressure plate and the extension plate to press against the rail wall of the external fastening rail. This achieves locking and fixation after the angle frame rail is adjusted, and can firmly fix the angle frame rail after the angle adjustment is completed. This prevents the mold from shifting during the adhesive strip bonding process, ensuring molding accuracy and operational stability.

[0019] 4. This invention installs arc-shaped grooves and arc-shaped combination pieces at the joint ends of the main frame and the sub-frame. A small motor drives the arc-shaped combination pieces to rotate synchronously and move closer to the joint. This can accurately fill the gap area between the main frame and the sub-frame after the angle is adjusted, forming a complete and smooth arc-shaped joint surface. This effectively avoids problems such as joint gaps and misalignments that occur after the mold angle is adjusted, ensuring a smooth transition at the corner of the sealing strip and meeting the appearance and performance requirements of the product molding. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of a preferred embodiment of the present invention;

[0021] Figure 2 for Figure 1 A partially exploded view of a preferred embodiment is shown below;

[0022] Figure 3 for Figure 2 The diagram shows the structure of the multi-angle joint mechanism.

[0023] Figure 4 for Figure 1 A partial structural schematic diagram of the frame assembly shown;

[0024] Figure 5 for Figure 4 The diagram shows a planar structure.

[0025] Figure 6 for Figure 4 The diagram shows the structure at point A.

[0026] Figure 7 for Figure 3 The diagram shows the structure at point B.

[0027] Numbered in the diagram: 1. Mold base; 2. Main frame; 21. Sub-frame; 3. Longitudinal groove; 31. Inserting block; 32. Embedded shaft; 33. Main motor; 4. Center groove; 41. Angle frame rail; 411. T-block; 42. Adjusting shaft; 43. Gear ring; 431. Fixing cross; 44. Side gear; 45. Bottom motor; 5. External stabilizing rail; 51. Extension plate; 52. Fitting arc plate; 53. Abutment roller; 6. Same 61. Step block; 62. Synchronizing cylinder; 63. Ear plate; 64. Side-mounted shaft; 7. Attached motor; 8. External fastening rail; 91. Stand; 102. Limiting cylinder; 11. Pressure rod; 12. Pressure plate; 13. Drive plate; 14. Drive shaft; 15. Rotary ring; 16. Mounting arc groove; 17. Arc-shaped combination plate; 18. Extension block; 19. Partial gear; 10. Adjusting pinion; 11. Small motor; 12. Mounting bracket; 13. Pressure sensor. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0029] Please refer to the following: Figures 1 to 7 A multi-directional linkage forming mold for automotive sealing strip corners includes: a mold base 1, on which a strip frame assembly is provided, the strip frame assembly being composed of a main strip frame 2 and a secondary strip frame 21; a longitudinal groove 3 is provided in the mold base 1; a locking block 31 is provided on the lower side wall of the main strip frame 2, the locking block 31 being slidably connected to the longitudinal groove 3; a right-angle bracket is provided at one end of the longitudinal groove 3; an embedded shaft 32 is rotatably connected between the right-angle bracket and the longitudinal groove 3; a main motor 33 is mounted on the right-angle bracket, and the output end of the main motor 33 is fixedly connected to the embedded shaft 32; and a multi-angle linkage mechanism, including a central groove 4. 4 is located in the middle of the mold base 1. An angle frame rail 41 is provided in the central groove 4. The main frame 2 is provided on the angle frame rail 41. An adjusting shaft 42 is fixedly connected to the lower end of the angle frame rail 41. The lower end of the adjusting shaft 42 is rotatably connected to the central groove 4. A gear ring 43 is provided on the adjusting shaft 42. A side gear 44 is provided on one side of the gear ring 43. The side gear 44 meshes with the gear ring 43. An installation position is provided in the central groove 4. A bottom motor 45 is installed and connected in the installation position. The output end of the bottom motor 45 is fixedly connected to the side gear 44. A feeding component is provided between the secondary frame 21 and the angle frame rail 41.

[0030] In the specific implementation process, such as Figure 2 and Figure 3 As shown, the embedded shaft 32 is a threaded rod, the snap-in block 31 has a threaded opening, the snap-in block 31 is threadedly connected to the embedded shaft 32, the angle frame rail 41 has a T-shaped rail groove, and the lower end frame wall of the sub-frame 21 has a T-shaped block 411, which is slidably connected to the T-shaped rail groove.

[0031] It should be noted that: the output end of the bottom motor 45 drives the side gear 44 to rotate. The meshing transmission between the side gear 44 and the gear ring 43 on the adjustment shaft 42 drives the adjustment shaft 42 and the angle frame rail 41 fixed on the adjustment shaft 42 to rotate accordingly, thereby realizing the adjustment of the overall angle of the angle frame rail 41, and thus changing the relative contact angle between the sub-frame 21 and the main frame 2 installed on the angle frame rail 41.

[0032] The output end of the main motor 33 drives the embedded shaft 32 to rotate. Since the embedded shaft 32 is a threaded rod and is threadedly connected to the snap-in block 31 below the main frame 2, in conjunction with the sliding limit of the snap-in block 31 and the longitudinal groove 3 on the mold base 1, the main frame 2 can be driven to slide linearly along the longitudinal groove 3 to complete the initial position positioning of the main frame 2.

[0033] At the same time, the delivery component drives the secondary frame 21 to move accordingly, realizing multi-directional linkage adjustment of the relative position and corner angle of the main and secondary frames. It can adapt to the corner forming requirements of sealing strips at different angles without the need for complicated mold replacement.

[0034] refer to Figure 3 As shown, the gear ring 43 has a fixed cross 431 inside, which is fixedly connected to the adjusting shaft 42.

[0035] It should be noted that the fixed cross 431 can enhance the firmness of the connection between the gear ring 43 and the adjusting shaft 42, and prevent the gear ring 43 from sliding or loosening during the meshing transmission with the side gear 44. This ensures that the power output by the bottom motor 45 can be stably and efficiently transmitted to the adjusting shaft 42, thereby ensuring the accuracy and stability of the angle adjustment of the angle frame rail 41.

[0036] refer to Figure 3 and Figure 7 As shown, an external stabilizing rail 5 is fixedly connected to the mold base 1. An extension plate 51 is provided at one end of the angle frame rail 41. A stabilizing groove is provided in the external stabilizing rail 5. The extension plate 51 is slidably connected to the stabilizing groove in the external stabilizing rail 5. Two fitting arc-shaped plates 52 are symmetrically provided on the extension plate 51. The two fitting arc-shaped plates 52 are respectively located on both sides of the external stabilizing rail 5. A stop roller 53 is installed and connected in both fitting arc-shaped plates 52. The two stop rollers 53 on both sides are respectively fitted and pressed against the two side walls of the external stabilizing rail 5.

[0037] It should be noted that the extension plate 51 slides into the stabilizing groove of the external stabilizing rail 5, providing radial guidance for the rotation of the angle frame rail 41.

[0038] Meanwhile, the abutment rollers 53 on the two sides of the curved plate 52 abut against the side wall of the external stabilizing rail 5, forming a two-way limit, which can effectively counteract the lateral force generated during the rotation of the angle frame rail 41, prevent the angle frame rail 41 from deviating or shaking, and further improve the stability of the angle adjustment process.

[0039] refer to Figure 3 As shown, the positioning assembly includes a synchronizing block 6, which is fixedly connected to the side wall of the T-block 411. A through transverse groove is provided on the side wall of the angle frame rail 41, and the synchronizing block 6 is slidably connected to the through transverse groove. A synchronizing cylinder 61 is fixedly connected to one end of the synchronizing block 6. Two lugs 62 are symmetrically provided on one side wall of the angle frame rail 41, and a side shaft 63 is rotatably connected between the two lugs 62. An auxiliary positioning motor 64 is installed and connected on one lug 62, and the output end of the auxiliary positioning motor 64 is fixedly connected to one end of the side shaft 63. The side shaft 63 is a threaded rod, and the synchronizing cylinder 61 is threadedly connected to the side shaft 63.

[0040] It should be noted that the output of the auxiliary motor 64 drives the side shaft 63 to rotate. Utilizing the threaded connection between the side shaft 63 and the synchronous cylinder 61, the synchronous block 6 slides along the through transverse groove, thereby driving the secondary frame 21 to slide along the angle frame rail 41 via the T-block 411. This component enables automated and precise adjustment of the secondary frame 21's position, facilitating rapid adjustment of the secondary frame 21 to a suitable position based on the position of the main frame 2 and the required angle, ensuring the accuracy of the main and secondary frame docking.

[0041] refer to Figure 3 and Figure 7 As shown, the mold base 1 is provided with an external fastening rail 7, which is located outside the external stabilizing rail 5. The external fastening rail 7 is provided with a track groove. One end of the extension plate 51 extends into the track groove of the external fastening rail 7. One end of the extension plate 51 is fixedly connected to a stand 71. A limit cylinder 72 is fixedly connected to the stand 71. A pressure rod 73 is slidably connected in the limit cylinder 72. A pressure plate 74 is fixedly connected to the lower end of the pressure rod 73. A drive plate 75 is provided at the upper end of the pressure rod 73. A drive shaft 76 is rotatably connected in the stand 71. A rotating ring 77 is installed at the top end of the drive shaft 76. The drive shaft 76 is a threaded rod. The drive plate 75 is threadedly connected to the drive shaft 76. The pressure plate 74 is located above the external fastening rail 7.

[0042] It should be noted that the cooperation between the external fastening rail 7 and the extension plate 51 provides additional guiding support for the rotation of the angle frame rail 41, and also provides an installation base for the subsequent locking and fixing structure.

[0043] By rotating the rotating ring 77, the drive shaft 76 is driven to rotate. The threaded connection between the drive shaft 76 and the drive plate 75 drives the pressure rod 73 to slide down along the limiting cylinder 72, so that the pressure plate 74 presses the external fastening rail 7. This can firmly lock the adjusted angle frame rail 41, preventing it from shifting during the adhesive strip bonding molding operation, and ensuring molding accuracy and operational stability.

[0044] The limiting sleeve 72 provides guidance for the sliding of the pressure rod 73, prevents the pressure rod 73 from tilting, and ensures that the pressure plate 74 can apply pressure smoothly and evenly.

[0045] refer to Figure 4 and Figure 6 As shown, the main frame 2 and the secondary frame 21 are provided with an arc-shaped groove 8 at one end of the frame, and an arc-shaped combination piece 81 is provided in each of the two arc-shaped grooves 8. An extension block 82 is provided on the lower side of each of the two arc-shaped combination pieces 81. A through groove is provided at the lower position of the two arc-shaped grooves 8, and the two extension blocks 82 are slidably connected to the through groove.

[0046] It should be noted that: the installation arc groove 8 provides installation and movement space for the arc-shaped assembly piece 81, and the sliding fit between the extension block 82 and the through groove provides guidance and limit for the rotation of the arc-shaped assembly piece 81, ensuring that the arc-shaped assembly piece 81 can rotate smoothly along the preset trajectory;

[0047] By utilizing the cooperation of two arc-shaped combination pieces 81, the gaps in the connection after the adjustment of the angles of the main and secondary strip frames can be filled, avoiding gaps or misalignments and ensuring a smooth transition of the sealing strip corners.

[0048] refer to Figure 5 and Figure 6 As shown, a partial gear 9 is fixedly connected to the outer wall of the extension block 82. An adjusting pinion 91 is provided on the outside of the partial gear 9. The adjusting pinion 91 meshes with the partial gear 9. A small motor 92 is provided on the lower side of the adjusting pinion 91. Mounting brackets 93 are provided on the lower frame walls of the main frame 2 and the secondary frame 21. The small motor 92 is fixedly mounted on the mounting bracket 93. A pressure sensor 94 is installed and connected at the end of the arc-shaped combination piece 81.

[0049] It should be noted that the small motor 92 is stably installed using the mounting bracket 93. Its output end drives the adjustment pinion 91 to rotate. The meshing transmission between the adjustment pinion 91 and the local gear 9 drives the extension block 82 to slide along the through groove, thereby driving the arc-shaped combination piece 81 to rotate, thus realizing the automatic adjustment of the arc-shaped combination piece 81.

[0050] The pressure sensor 94 can monitor the bonding pressure of the two arc-shaped composite pieces 81 in real time. When the two arc-shaped composite pieces 81 come close together, the external controller (existing technology) can control the small motor 92 to stop working in time to avoid damage caused by excessive compression of the arc-shaped composite pieces 81. At the same time, it ensures that the two arc-shaped composite pieces 81 are accurately bonded, ensuring the integrity and smoothness of the mating surface.

[0051] The working principle of the multi-directional linkage forming mold for automotive sealing strip corners provided by this invention is as follows:

[0052] Adjustment of the basic position: Start the main motor 33 so that its output end drives the embedded shaft 32 to rotate. Since the embedded shaft 32 is a threaded rod and is threadedly connected to the snap-in block 31 below the main frame 2, in conjunction with the sliding limit of the snap-in block 31 and the longitudinal groove 3 on the mold seat 1, the main frame 2 can be driven to slide linearly along the longitudinal groove 3 to complete the initial position positioning of the main frame 2.

[0053] Angle adjustment: Start the bottom motor 45, so that its output end drives the side gear 44 to rotate. Utilize the meshing transmission between the side gear 44 and the gear ring 43 on the adjustment shaft 42 to drive the adjustment shaft 42 and the angle frame rail 41 fixed on the adjustment shaft 42 to rotate accordingly, thereby adjusting the overall angle of the angle frame rail 41 and changing the relative angle between the sub-frame 21 and the main frame 2 installed on the angle frame rail 41. During this process, the extension plate 51 at one end of the angle frame rail 41 slides along the stabilizing groove of the outer stabilizing rail 5. At the same time, the abutment rollers 53 on both sides of the extension plate 51, which are attached to the arc plate 52, roll against the side wall of the outer stabilizing rail 5 to ensure the smoothness of the rotation process of the angle frame rail 41.

[0054] Precise alignment of the secondary frame: Start the auxiliary motor 64 to drive the side shaft 63 to rotate. The side shaft 63 acts as a threaded rod and is threadedly connected to the synchronous cylinder 61 on the synchronous block 6. With the sliding limit of the through transverse groove of the synchronous block 6 and the sliding guide of the T-shaped block 411 and the T-shaped groove in the angle frame 41, the secondary frame 21 is driven to slide linearly along the angle frame 41, so that the end of the secondary frame 21 can be precisely fitted and aligned with the end of the main frame 2 after the position adjustment.

[0055] Mold stabilization and reinforcement: After the angle of the angle frame rail 41 is adjusted, one end of the extension plate 51 extends into the track groove of the external fastening rail 7. The rotating ring 77 drives the drive shaft 76 to rotate. Utilizing the threaded connection between the drive shaft 76 and the drive plate 75, the pressure rod 73 slides down along the limiting cylinder 72, so that the pressure plate 74, together with the extension plate 51, can press the rail wall of the external fastening rail 7, thereby achieving the locking and fixing of the angle frame rail 41 after adjustment, to ensure the stability of subsequent operations.

[0056] Smooth Compensation at the Joint: The small motor 92 is activated, driving the adjusting pinion 91 to rotate. The meshing of the adjusting pinion 91 with the partial gear 9 on the outer side of the extension block 82 causes the extension block 82 to slide along the through groove below the mounting arc groove 8. This, in turn, causes the arc-shaped assembly piece 81 within the mounting arc groove 8 at the joint ends of the main frame 2 and the sub-frame 21 to rotate synchronously and approach each other, forming a complete arc structure and filling the joint gap after the angle adjustment between the main frame 2 and the sub-frame 21. Simultaneously, the pressure sensor 94 on one end of the arc-shaped assembly piece 81 monitors the bonding pressure in real time. When the ends of the arc-shaped assembly pieces 81 at both ends slide against each other, an external controller (existing technology) works in conjunction with the pressure sensor 94 to control the two small motors 92 to stop operating in real time. Subsequently, the sealing strips on both sides are slid into the main frame 2 and the sub-frame 21 respectively, completing the bonding and molding process at the joint.

[0057] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural or procedural transformations made based on the content of the present invention specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.

Claims

1. A multi-directional linkage forming mold for automotive sealing strip corners, characterized in that, include: A mold base (1) is provided with a frame assembly, which is composed of a main frame (2) and a secondary frame (21). A longitudinal groove (3) is provided in the mold base (1). A snap-in block (31) is provided on the lower side wall of the main frame (2). The snap-in block (31) is slidably connected to the longitudinal groove (3). A right-angle bracket is provided at one end of the longitudinal groove (3). An embedded shaft (32) is rotatably connected between the right-angle bracket and the longitudinal groove (3). A main motor (33) is installed on the right-angle bracket. The output end of the main motor (33) is fixedly connected to the embedded shaft (32). The multi-angle joint mechanism includes a central groove (4) located at the center of the mold base (1). An angle frame rail (41) is provided in the central groove (4). The main frame (2) is located on the angle frame rail (41). An adjusting shaft (42) is fixedly connected to the lower end of the frame wall of the angle frame rail (41). The lower end of the adjusting shaft (42) is rotatably connected to the central groove (4). A gear ring (43) is provided on the adjusting shaft (42). A side gear (44) is provided on one side of the gear ring (43). The side gear (44) meshes with the gear ring (43). An installation position is provided in the central groove (4). A bottom motor (45) is installed and connected in the installation position. The output end of the bottom motor (45) is fixedly connected to the side gear (44). A feeding component is provided between the secondary frame (21) and the angle frame rail (41).

2. The multi-directional linkage forming mold for automotive sealing strip corners according to claim 1, characterized in that, The embedded shaft (32) is a threaded rod, the snap-in block (31) is provided with a threaded opening, the snap-in block (31) is threadedly connected to the embedded shaft (32), the angle frame rail (41) is provided with a T-shaped rail groove, the lower end frame wall of the sub-frame (21) is provided with a T-shaped block (411), and the T-shaped block (411) is slidably connected to the T-shaped rail groove.

3. The multi-directional linkage forming mold for automotive sealing strip corners according to claim 1, characterized in that, The gear ring (43) has a fixed cross (431) inside, and the fixed cross (431) is fixedly connected to the adjusting shaft (42).

4. The multi-directional linkage forming mold for automotive sealing strip corners according to claim 1, characterized in that, An external stabilizing rail (5) is fixedly connected to the mold base (1). An extension plate (51) is provided at one end of the angle frame rail (41). A stabilizing groove is provided in the external stabilizing rail (5). The extension plate (51) is slidably connected to the stabilizing groove in the external stabilizing rail (5). Two fitting arc plates (52) are symmetrically provided on the extension plate (51). The two fitting arc plates (52) are respectively located on both sides of the external stabilizing rail (5). A stop roller (53) is installed in each of the two fitting arc plates (52). The stop rollers (53) on both sides are respectively fitted and pressed against the side walls of the external stabilizing rail (5).

5. The multi-directional linkage forming mold for automotive sealing strip corners according to claim 1, characterized in that, The positioning assembly includes a synchronizing block (6), which is fixedly connected to the side wall of the T-block (411). The side wall of the angle frame rail (41) is provided with a through transverse groove, and the synchronizing block (6) is slidably connected to the through transverse groove. One end of the synchronizing block (6) is fixedly connected to a synchronizing cylinder (61). Two ear pieces (62) are symmetrically provided on one side wall of the angle frame rail (41). A side shaft (63) is rotatably connected between the two ear pieces (62). An auxiliary positioning motor (64) is installed and connected on one end of the ear piece (62). The output end of the auxiliary positioning motor (64) is fixedly connected to one end of the side shaft (63). The side shaft (63) is a threaded rod, and the synchronizing cylinder (61) is threadedly connected to the side shaft (63).

6. The multi-directional linkage forming mold for automotive sealing strip corners according to claim 4, characterized in that, The mold base (1) is provided with an external fastening rail (7), which is located outside the external stabilizing rail (5). The external fastening rail (7) is provided with a track groove. One end of the extension plate (51) extends into the track groove of the external fastening rail (7). One end of the extension plate (51) is fixedly connected to a stand (71). A limit cylinder (72) is fixedly connected to the stand (71). A pressure rod (73) is slidably connected in the limit cylinder (72). A pressure plate (74) is fixedly connected to the lower end of the pressure rod (73). A drive plate (75) is provided at the upper end of the pressure rod (73). A drive shaft (76) is rotatably connected in the stand (71). A swivel ring (77) is installed at the top end of the drive shaft (76). The drive shaft (76) is a threaded rod. The drive plate (75) is threadedly connected to the drive shaft (76). The pressure plate (74) is located above the external fastening rail (7).

7. The multi-directional linkage forming mold for automotive sealing strip corners according to claim 1, characterized in that, The main frame (2) and the secondary frame (21) are provided with an arc-shaped groove (8) at one end of the frame. The two arc-shaped grooves (8) are provided with arc-shaped combination pieces (81). The lower side of the two arc-shaped combination pieces (81) is provided with an extension block (82). The lower position of the two arc-shaped grooves (8) is provided with a through groove. The two extension blocks (82) are slidably connected to the through groove.

8. The multi-directional linkage forming mold for automotive sealing strip corners according to claim 7, characterized in that, A partial gear (9) is fixedly connected to the outer wall of the extension block (82). An adjusting pinion (91) is provided on the outside of the partial gear (9). The adjusting pinion (91) meshes with the partial gear (9). A small motor (92) is provided on the lower side of the adjusting pinion (91). A mounting bracket (93) is provided on the lower frame wall of the main frame (2) and the secondary frame (21). The small motor (92) is fixedly installed on the mounting bracket (93). A pressure sensor (94) is installed and connected at the end of the arc-shaped combined piece (81).