Vehicle trim cover forming device

Abstract

This invention relates to a molding apparatus, and more specifically, to a vehicle trim cover molding apparatus. It includes a support sleeve, within which a rotating sleeve is rotatably connected. Two molding mechanisms are slidably connected within the rotating sleeve, and each molding mechanism has multiple compensating molds slidably connected to it. Each molding mechanism includes a drive base, on which a power mechanism III is fixedly connected. The drive base is slidably connected to a sliding bracket and threadedly connected to a lead screw. A tilting bracket is fixedly connected to the output shaft of the power mechanism III, and a rotating disk is rotatably connected to the tilting bracket. An extrusion sleeve is fixedly connected to the rotating disk, and a molding mold is detachably fixedly connected to the extrusion sleeve. Multiple telescopic mechanisms I are fixedly connected to the rotating disk, and a compensating mold is detachably fixedly connected to the telescopic end of each telescopic mechanism I. All compensating molds are slidably connected to the molding mold. This allows for localized pressure compensation at specific locations during the injection molding process.

Description

Technical Field

[0001] This invention relates to a molding apparatus, and more specifically to a vehicle trim cover molding apparatus. Background Technology

[0002] Vehicle trim covers are key components for enhancing the appearance of automobiles and are currently primarily manufactured using injection molding. With increasingly complex designs, traditional injection molding equipment often encounters problems such as localized shrinkage marks, warpage, and incomplete filling of minor features during the molding process, severely impacting product precision and appearance. Existing technologies mainly address these issues by adjusting overall injection pressure or optimizing mold structure, but neither can provide real-time, precise intervention in the melt state of specific defective areas within the mold cavity during molding. Overall pressure control lacks specificity, while methods such as localized mold temperature control are slow and costly. Therefore, there is an urgent need for a technology that can dynamically and locally compensate for pressure at specific locations within the mold cavity during injection molding to directly address localized defects and effectively improve the molding precision and quality stability of vehicle trim covers. Summary of the Invention

[0003] The purpose of this invention is to provide a vehicle trim cover molding device that can perform pressure compensation at specific locations during the injection molding process, thereby improving the molding accuracy of vehicle trim covers.

[0004] The objective of this invention is achieved through the following technical solution:

[0005] A vehicle decorative cover forming device includes a support sleeve, a rotating sleeve rotatably connected inside the support sleeve, and two forming mechanisms slidably connected inside the rotating sleeve. Multiple compensation molds are slidably connected to each of the two forming mechanisms.

[0006] The support sleeve is provided with connecting hole I, connecting hole II and connecting hole III. A cooling cavity is fixedly connected to the support sleeve. A drive gear is rotatably connected to the support sleeve. The drive gear meshes with the rotating sleeve for transmission. A power mechanism I that causes the drive gear to rotate is fixedly connected to the support sleeve.

[0007] The front and rear sides of the support sleeve are fixedly connected to sliding brackets, and a lead screw is rotatably connected to the sliding bracket. A power mechanism II for driving the lead screw to rotate is fixedly connected to the sliding bracket.

[0008] The rotating sleeve is provided with a connecting hole IV, which can communicate with connecting hole I, connecting hole II or connecting hole III respectively. A sealing ring is fixedly connected inside the rotating sleeve.

[0009] The molding mechanism includes a drive base, a power mechanism III fixedly connected to the drive base, a drive base slidably connected to a sliding bracket, a drive base threadedly connected to a lead screw, a flip bracket fixedly connected to the output shaft of the power mechanism III, a rotating disk rotatably connected to the flip bracket, an extrusion sleeve fixedly connected to the rotating disk, and a molding die detachably fixedly connected to the extrusion sleeve.

[0010] Multiple telescopic mechanisms I are fixedly connected to the rotating disk. Each telescopic mechanism I has a compensation mold detachably and fixedly connected to its telescopic end. The multiple compensation molds are slidably connected to the forming mold.

[0011] The support sleeve is fixedly connected to an injection mechanism, a material extraction mechanism, and a forming mechanism;

[0012] The injection mechanism includes an injection cylinder, a raw material pipe fixedly connected to the injection cylinder, a telescopic mechanism II fixedly connected to the injection cylinder, a sealing column fixedly connected to the telescopic end of the telescopic mechanism II, the sealing column being slidably connected inside the injection cylinder, the injection cylinder being fixedly connected to the support sleeve, the injection cylinder being connected to the connecting hole I, the sealing column being able to be inserted into the connecting hole I, the end of the sealing column being rounded, and the arc of the end of the sealing column being the same as the outer diameter of the rotating sleeve;

[0013] The material extraction mechanism includes an extraction cylinder, a telescopic mechanism III fixedly connected to the extraction cylinder, an extraction column fixedly connected to the telescopic mechanism III, the end of the extraction column being arc-shaped, the arc of the end of the extraction column being the same as the outer diameter of the rotating sleeve, the extraction cylinder being fixedly connected to the support sleeve, and the extraction cylinder communicating with the connecting hole II; a heating mechanism is provided on the extraction cylinder.

[0014] The forming mechanism includes a forming cylinder, which is fixedly connected to the support sleeve. The forming cylinder is connected to the connecting hole III. A telescopic mechanism IV is fixedly connected to the forming cylinder. A forming column is fixedly connected to the telescopic end of the telescopic mechanism IV. The end of the forming column is rounded, and the arc of the end of the forming column is the same as the inner diameter of the rotating sleeve. Attached Figure Description

[0015] The present invention will now be described in further detail with reference to the accompanying drawings and specific implementation methods.

[0016] Figure 1 This is a schematic diagram of the vehicle decorative cover forming device of the present invention;

[0017] Figure 2 This is a cross-sectional view of the vehicle trim cover forming apparatus of the present invention;

[0018] Figure 3 This is a schematic diagram of the support sleeve structure of the present invention;

[0019] Figure 4 This is a schematic diagram of the rotating sleeve structure of the present invention;

[0020] Figure 5 This is a schematic diagram of the molding mechanism structure of the present invention;

[0021] Figure 6 This is a schematic diagram of the compensation mold structure of the present invention;

[0022] Figure 7 This is a schematic diagram of the injection mechanism structure of the present invention;

[0023] Figure 8 This is a cross-sectional view of the injection mechanism of the present invention;

[0024] Figure 9 This is a schematic diagram of the material extraction mechanism of the present invention;

[0025] Figure 10 This is a cross-sectional view of the material extraction mechanism of the present invention;

[0026] Figure 11 This is a schematic diagram of the forming mechanism of the present invention;

[0027] Figure 12 This is a cross-sectional view of the forming mechanism of the present invention.

[0028] In the figure: Support sleeve 1; Connecting hole I 11; Connecting hole II 12; Connecting hole III 13; Cooling cavity 14; Drive gear 15; Sliding bracket 21; Lead screw 22; Rotating sleeve 3; Connecting hole IV 31; Sealing ring 32; Forming mechanism 4; Drive seat 41; Tilting bracket 42; Rotating disk 43; Extrusion sleeve 44; Forming mold 45; Compensating mold 5; Telescopic mechanism I 51; Injection mechanism 6; Injection cylinder 61; Raw material pipeline 62; Telescopic mechanism II 63; Sealing column 64; Material extraction mechanism 7; Material extraction cylinder 71; Telescopic mechanism III 72; Material extraction column 73; Heating mechanism 74; Forming mechanism 8; Forming cylinder 81; Telescopic mechanism IV 82; Forming column 83. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings.

[0030] like Figures 1 to 12 As shown below, the structure and function of a vehicle decorative cover forming device will be described in detail.

[0031] A vehicle decorative cover forming device includes a support sleeve 1, a rotating sleeve 3 rotatably connected inside the support sleeve 1, and two forming mechanisms 4 slidably connected inside the rotating sleeve 3. Multiple compensation molds 5 are slidably connected to each of the two forming mechanisms 4.

[0032] When using, such as Figure 1As shown, the injection molding material for the vehicle trim cover is injected between two molding mechanisms 4. The two molding mechanisms 4 perform initial extrusion and shaping of the injection molding material. Then, multiple compensation molds 5 are used to further extrude and shape the injection molding material, perform local pressure compensation, and improve the molding accuracy of the vehicle trim cover.

[0033] The support sleeve 1 is provided with a connecting hole I 11, a connecting hole II 12 and a connecting hole III 13. A cooling cavity 14 is fixedly connected to the support sleeve 1. A drive gear 15 is rotatably connected to the support sleeve 1. The drive gear 15 meshes with the rotating sleeve 3 for transmission. A power mechanism I that causes the drive gear 15 to rotate is fixedly connected to the support sleeve 1.

[0034] The front and rear sides of the support sleeve 1 are fixedly connected to sliding brackets 21, and a lead screw 22 is rotatably connected to the sliding bracket 21. A power mechanism II for driving the lead screw 22 to rotate is fixedly connected to the sliding bracket 21.

[0035] The rotating sleeve 3 is provided with a connecting hole Ⅳ31, which can communicate with connecting hole Ⅰ11, connecting hole Ⅱ12 or connecting hole Ⅲ13 respectively. A sealing ring 32 is fixedly connected inside the rotating sleeve 3.

[0036] The molding mechanism 4 includes a drive base 41, a power mechanism III fixedly connected to the drive base 41, a sliding connection between the drive base 41 and the sliding bracket 21, and a threaded connection between the drive base 41 and the lead screw 22. A flip bracket 42 is fixedly connected to the output shaft of the power mechanism III, a rotating disk 43 is rotatably connected to the flip bracket 42, an extrusion sleeve 44 is fixedly connected to the rotating disk 43, and a molding die 45 is detachably fixedly connected to the extrusion sleeve 44. The end shape of the molding die 45 is the same as the shape that the vehicle trim cover needs to be molded. The molding die 45 can be set in various models. The molding die 45 is connected to the extrusion sleeve 44 by screws, which facilitates the replacement of the molding die 45.

[0037] Multiple telescopic mechanisms I51 are fixedly connected to the rotating disk 43. Each telescopic mechanism I51 has a compensation mold 5 detachably and fixedly connected to its telescopic end. Multiple compensation molds 5 are slidably connected to the forming mold 45. The end of the compensation mold 5 and the forming mold 45 have the same shape. The compensation mold 5 can be set in various models. The compensation mold 5 is connected to the telescopic end of the telescopic mechanism I51 by screws, which facilitates the replacement of the compensation mold 5.

[0038] The support sleeve 1 is fixedly connected to an injection mechanism 6, a material extraction mechanism 7, and a forming mechanism 8;

[0039] The injection mechanism 6 includes an injection cylinder 61, a raw material pipe 62 fixedly connected to the injection cylinder 61, a telescopic mechanism II 63 fixedly connected to the injection cylinder 61, a sealing column 64 fixedly connected to the telescopic end of the telescopic mechanism II 63, the sealing column 64 being slidably connected inside the injection cylinder 61, the injection cylinder 61 being fixedly connected to the support sleeve 1, the injection cylinder 61 being connected to the connecting hole I 11, the sealing column 64 being able to be inserted into the connecting hole I 11, the end of the sealing column 64 being rounded, and the arc of the end of the sealing column 64 being the same as the outer diameter of the rotating sleeve 3;

[0040] The material extraction mechanism 7 includes a material extraction cylinder 71, a telescopic mechanism III 72 fixedly connected to the material extraction cylinder 71, a material extraction column 73 fixedly connected to the telescopic mechanism III 72, the end of the material extraction column 73 is rounded, the arc of the end of the material extraction column 73 is the same as the outer diameter of the rotating sleeve 3, the material extraction cylinder 71 is fixedly connected to the support sleeve 1, the material extraction cylinder 71 is connected to the connecting hole II 12, and a heating mechanism 74 is provided on the material extraction cylinder 71.

[0041] The forming mechanism 8 includes a forming cylinder 81, which is fixedly connected to the support sleeve 1. The forming cylinder 81 is connected to the connecting hole Ⅲ13. A telescopic mechanism Ⅳ82 is fixedly connected to the forming cylinder 81. A forming column 83 is fixedly connected to the telescopic end of the telescopic mechanism Ⅳ82. The end of the forming column 83 is rounded, and the arc of the end of the forming column 83 is the same as the inner diameter of the rotating sleeve 3.

[0042] When using, such as Figure 1 As shown, the injection molding material pipe is connected to the material pipe 62, and the telescopic mechanism II 63 is activated. The telescopic mechanism II 63 can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism II 63 drives the closing column 64 to move, so that the closing column 64... Figure 8 The movement is as shown, causing the closed column 64 to slide inside the injection cylinder 61;

[0043] The power mechanism I is pre-started. The power mechanism I is preferably a servo motor. The output shaft of the power mechanism I drives the drive gear 15 to rotate. The drive gear 15 drives the rotating sleeve 3 to rotate. The rotating sleeve 3 drives the connecting hole IV 31 to rotate, so that the connecting hole IV 31 moves to the position of connecting with the connecting hole I 11. Then, when the sealing column 64 no longer blocks the raw material pipe 62, the molten injection molding material in the raw material pipe 62 enters through the connecting hole I 11 and the connecting hole IV 31 and enters between the two molding dies 45 in the rotating sleeve 3.

[0044] Start the power mechanism II, preferably a servo motor. The output shaft of the power mechanism II starts to rotate. The output shaft of the power mechanism II drives the lead screw 22 to rotate. When the lead screw 22 rotates, it drives the drive seat 41 to move laterally through the thread. The drive seat 41 drives the extrusion sleeve 44 to move laterally. The extrusion sleeve 44 drives the molding die 45 to move laterally, so that the two molding dies 45 move away from each other, so that the injection molding material can fully enter between the two molding dies 45.

[0045] Then, the power mechanism I is activated, driving gear 15 to rotate the rotating sleeve 3, which in turn rotates the connecting hole IV 31, causing it to move to a position where it connects with the connecting hole II 12. The telescopic mechanism III 72 is then activated; this mechanism can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism III 72 drives the extraction column 73 to move, causing it to slide within the extraction cylinder 71. The extraction column 73 continuously extracts and injects the injection material between the two molding dies 45, meaning the telescopic end of the telescopic mechanism III 72 continuously reciprocates, ensuring the continuous flow of the injection material between the two molding dies 45 and achieving homogeneity. Furthermore, the telescopic mechanism I 51 is simultaneously activated; this mechanism can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism I 51 drives the compensation mold 5 to move, causing it to continuously push the injection material, ensuring the uniformity of the injection material between the two molding dies 45 and achieving homogeneity.

[0046] Then, the power mechanism I is started, and the drive gear 15 drives the rotating sleeve 3 to rotate. The rotating sleeve 3 drives the connecting hole IV 31 to rotate, so that the connecting hole IV 31 moves to the position where it connects with the connecting hole III 13. The telescopic mechanism IV 82 is started. The telescopic mechanism IV 82 can be a hydraulic cylinder or an electric push rod. The telescopic end of the telescopic mechanism IV 82 drives the forming column 83 to move, so that the forming column 83 extrudes the injection molding material. At the same time, the telescopic mechanism I 51 is started. The telescopic end of the telescopic mechanism I 51 drives the compensation mold 5 to move, so that the compensation mold 5 continuously extrudes the injection molding material to achieve local pressure compensation. At the same time, the cooling cavity 14 works to cool and shape the injection molding material to form a vehicle decorative cover.

[0047] After the vehicle trim cover is formed, the power mechanism II is activated, causing the two forming molds 45 to move to the same side, so that the vehicle trim cover is separated from the support sleeve 1 and the support sleeve 1 is removed from the vehicle trim cover.

Claims

1. A vehicle trim cover forming device, comprising a support sleeve (1), characterized in that: The support sleeve (1) is rotatably connected to a rotating sleeve (3), and two forming mechanisms (4) are slidably connected inside the rotating sleeve (3). Multiple compensation molds (5) are slidably connected to each of the two forming mechanisms (4). The support sleeve (1) is provided with a connecting hole I (11), a connecting hole II (12) and a connecting hole III (13). A cooling cavity (14) is fixedly connected to the support sleeve (1). A drive gear (15) is rotatably connected to the support sleeve (1). The drive gear (15) and the rotating sleeve (3) mesh and drive each other. A power mechanism I that causes the drive gear (15) to rotate is fixedly connected to the support sleeve (1). The front and rear sides of the support sleeve (1) are fixedly connected to sliding brackets (21), and a lead screw (22) is rotatably connected to the sliding bracket (21). A power mechanism II for driving the lead screw (22) to rotate is fixedly connected to the sliding bracket (21). The rotating sleeve (3) is provided with a connecting hole Ⅳ (31), which can be connected to the connecting hole Ⅰ (11), the connecting hole Ⅱ (12) or the connecting hole Ⅲ (13) respectively. A sealing ring (32) is fixedly connected inside the rotating sleeve (3). The forming mechanism (4) includes a drive seat (41), a power mechanism III is fixedly connected to the drive seat (41), the drive seat (41) is slidably connected to the sliding bracket (21), the drive seat (41) is threadedly connected to the lead screw (22), a flip bracket (42) is fixedly connected to the output shaft of the power mechanism III, a rotating disk (43) is rotatably connected to the flip bracket (42), an extrusion sleeve (44) is fixedly connected to the rotating disk (43), and a forming mold (45) is detachably fixedly connected to the extrusion sleeve (44). Multiple telescopic mechanisms I (51) are fixedly connected to the rotating disk (43). Each telescopic mechanism I (51) has a compensation mold (5) detachably and fixedly connected to its telescopic end. The multiple compensation molds (5) are slidably connected to the forming mold (45). The support sleeve (1) is fixedly connected to an injection mechanism (6), a material extraction mechanism (7) and a forming mechanism (8), which are respectively connected to the connecting hole I (11), the connecting hole II (12) and the connecting hole III (13).

2. The vehicle trim cover forming device according to claim 1, characterized in that: The injection mechanism (6) includes an injection cylinder (61), a raw material pipe (62) is fixedly connected to the injection cylinder (61), a telescopic mechanism II (63) is fixedly connected to the injection cylinder (61), a sealing column (64) is fixedly connected to the telescopic end of the telescopic mechanism II (63), the sealing column (64) is slidably connected inside the injection cylinder (61), the injection cylinder (61) is fixedly connected to the support sleeve (1), the injection cylinder (61) is connected to the connecting hole I (11), the sealing column (64) can be inserted into the connecting hole I (11), the end of the sealing column (64) is rounded, and the arc of the end of the sealing column (64) is the same as the outer diameter of the rotating sleeve (3).

3. The vehicle decorative cover forming device according to claim 1, characterized in that: The material extraction mechanism (7) includes a material extraction cylinder (71), a telescopic mechanism III (72) is fixedly connected to the material extraction cylinder (71), a material extraction column (73) is fixedly connected to the telescopic mechanism III (72), the end of the material extraction column (73) is rounded, the arc of the end of the material extraction column (73) is the same as the outer diameter of the rotating sleeve (3), the material extraction cylinder (71) is fixedly connected to the support sleeve (1), the material extraction cylinder (71) is connected to the connecting hole II (12), and a heating mechanism (74) is provided on the material extraction cylinder (71).

4. The vehicle decorative cover forming device according to claim 1, characterized in that: The forming mechanism (8) includes a forming cylinder (81), which is fixedly connected to the support sleeve (1). The forming cylinder (81) is connected to the connecting hole III (13). A telescopic mechanism IV (82) is fixedly connected to the forming cylinder (81). A forming column (83) is fixedly connected to the telescopic end of the telescopic mechanism IV (82). The end of the forming column (83) is rounded. The arc of the end of the forming column (83) is the same as the inner diameter of the rotating sleeve (3).

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