A mould for a sun visor clamp shaft

Abstract

The present application relates to a kind of mould for the clamp axle of automobile sun visor, including push plate, upper die plate, lower die plate and bottom plate;Upper die plate is movably arranged above lower die plate, and upper die plate is equipped with first recess, and lower die plate is equipped with second recess and third recess communicated with second recess;Upper die plate is equipped with first feeding hole;In the state that upper die plate and lower die plate are adhered, third recess is cooperated with the lower surface of upper die plate to form arc-shaped flow channel, and first recess and second recess cooperate to form forming cavity for accommodating clamp axle.The mould for the clamp axle of automobile sun visor obtained by the present application has the following advantages: the lower surface of upper die plate is adhered with third recess with plane, so that injection plastic is easy to separate from the lower surface of upper die plate;The flow channel is arc-shaped, which can reduce the moving speed of injection plastic;The cross section of the forming cavity is circular, which can guide injection plastic to form a sleeve outside the clamp axle, so as to fix the excess fabric between the sleeve and the clamp axle.

Description

Technical Field

[0001] This invention relates to the field of automotive parts manufacturing technology, and in particular to a mold for a car sun visor clamping shaft. Background Technology

[0002] Drivers are frequently exposed to direct sunlight while driving. To ensure driver safety, sun visors are typically installed on the front windows of cars. Most current sun visors consist of a shell and fabric. During manufacturing, the fabric is wrapped around the outer perimeter of the shell, and the edges of the fabric are sewn together.

[0003] In the prior art, such as the Chinese Utility Model Patent Publication No. CN217553657U, a sun visor is disclosed, including a shell assembly, adhesive-backed fabric, and sewing thread. The shell assembly includes a first shell and a second shell, which are aligned. The first shell has a first lip along its edge, and the second shell has a second lip along its edge, which are aligned. The adhesive-backed fabric is attached to the outer periphery of the shell assembly. The sewing thread is used to sew together the first lip, the second lip, and the adhesive-backed fabric corresponding to the first and second lips. However, this sun visor requires a clamping shaft, which is difficult to sew at, making fabric fixation at this point challenging. Summary of the Invention

[0004] One objective of this application is to provide a mold for a car sun visor clamp shaft, which facilitates the fixing of the fabric at the clamp shaft.

[0005] The technical solution adopted in this application is as follows: a mold for a car sun visor clamping shaft, comprising, from top to bottom, a push plate, an upper template, a lower template, and a base plate. The push plate is connected to the upper template, and the lower template is connected to the base plate. The upper template is movably positioned above the lower template. The lower surface of the upper template has symmetrically arranged first grooves, and the upper surface of the lower template has symmetrically arranged second grooves and a third groove communicating with the second grooves. The cross-section of the third groove is arc-shaped. The upper template has a through-hole, which is located directly above the third groove. When the upper and lower templates are in contact, the third groove and the lower surface of the upper template cooperate to form an arc-shaped flow channel. The first and second grooves cooperate to form a molding cavity for accommodating the clamping shaft. The cross-section of the molding cavity is circular. When the clamping shaft and excess fabric on it are placed into the molding cavity, the molding cavity guides the injection molding material to form a kit outside the clamping shaft to fix the fabric on the clamping shaft.

[0006] Compared with the prior art, the advantages of this application are as follows: the push plate is used to connect the upper mold plate and the injection molding machine, and the bottom plate is used to connect the lower mold plate and the injection molding machine; the first feed hole is used for the entry of the injection plastic; the lower surface of the upper mold plate is fitted with the third groove with a flat surface, so that the injection plastic can be easily separated from the lower surface of the upper mold plate, that is, after the upper mold plate is detached, the excess injection plastic can remain on the lower mold plate, which makes it easy for the worker to directly remove the excess injection plastic; the flow channel is arc-shaped, which can reduce the movement speed of the injection plastic, facilitate the discharge of gas, and improve the injection molding quality; the cross-section of the molding cavity is circular, which can guide the injection plastic to form a kit outside the clamping shaft, thereby fixing the excess fabric between the kit and the clamping shaft.

[0007] In some embodiments of this application, the first feed hole is located directly above the center of the third groove; the extension path from the center of the third groove to one of the second grooves is rotated 180° and then coincides with the extension path from the center of the third groove to the other second groove.

[0008] In some embodiments of this application, the base plate is provided with a first mounting groove, the shape of the lower template matches the first mounting groove, and the bottom of the lower template is located on the first mounting groove; the push plate is provided with a second mounting groove, the shape of the upper template matches the second mounting groove, and the bottom of the upper template is located on the second mounting groove.

[0009] In some embodiments of this application, the lower surface of the upper template is provided with a positioning protrusion, and the upper surface of the lower template is provided with a positioning groove, the positioning protrusion cooperating with the positioning groove; the lower template is provided with a sinking flow channel, which is located directly below the first feed hole.

[0010] In some embodiments of this application, a fourth groove is provided between the third groove and the second groove, with both ends of the fourth groove connected to the third groove and the second groove respectively. The cross-sectional area of ​​the fourth groove gradually decreases from the third groove side to the second groove side, and there is an arc transition between the third groove and the fourth groove. The maximum cross-sectional area of ​​the fourth groove is less than half of the maximum cross-sectional area of ​​the third groove.

[0011] In some embodiments of this application, the base plate is provided with a placement plate, which is connected to the base plate; the upper surface of the placement plate is provided with a placement groove that matches the shape of the car sun visor.

[0012] Furthermore, the placement plate is provided with a through hole to accommodate the lower template, and the through hole is located on one side of the placement plate.

[0013] Furthermore, the placement plate is connected to the bottom plate via a support plate. Two support plates are provided, with the two support plates located on both sides of the lower template. The support plates extend from the side closest to the through hole to the other side. The length of the support plate is greater than half the length of the placement plate, and the length of the bottom plate is less than half the length of the placement plate.

[0014] Furthermore, the placement plate is provided with a gripping groove, which is located outside the placement groove and communicates with it.

[0015] In some embodiments of this application, the push plate is provided with at least three first positioning holes, wherein the line connecting the three first positioning holes is a triangle; the bottom plate is provided with at least three second positioning holes, wherein the line connecting the three second positioning holes is a triangle. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present invention. Figure 1 ;

[0017] Figure 2 This is a structural schematic diagram of Embodiment 1 of the present invention. Figure 2 ;

[0018] Figure 3 This is a cross-sectional view of Embodiment 1 of the present invention;

[0019] Figure 4 This is an exploded view of Embodiment 1 of the present invention;

[0020] Figure 5 This is a schematic diagram of the upper template structure in Embodiment 1 of the present invention;

[0021] Figure 6 This is a schematic diagram of the lower template structure of Embodiment 1 of the present invention;

[0022] Figure 7 This is a schematic diagram of the placement plate according to Embodiment 1 of the present invention;

[0023] Figure 8 This is a schematic diagram of the structure for placing a car sun visor according to Embodiment 1 of the present invention;

[0024] Figure 9 This is a schematic diagram of the structure of a car sun visor after injection molding.

[0025] In the diagram: 1. Push plate; 2. Upper template; 3. Lower template; 4. Base plate; 5. First groove; 6. Second groove; 7. Third groove; 8. First feed hole; 9. Positioning protrusion; 10. Positioning groove; 11. First mounting trough; 12. Sinking channel; 13. Second mounting trough; 14. Placement plate; 15. Placement slot; 16. Through hole; 17. Support plate; 18. Gripping slot; 19. First positioning hole; 20. Second positioning hole; 21. Fourth groove; 22. Second feed hole. Detailed Implementation

[0026] To enable those skilled in the art to better understand the technical solutions of this disclosure, the following detailed, clear, and complete description of this disclosure is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of this disclosure and are not intended to limit it.

[0027] In the description of this application, the use of "first" and "second" is for the purpose of distinguishing technical features only, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of the technical features indicated.

[0028] Those skilled in the art should understand that in the disclosure of this application, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application 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, the above terms should not be construed as limitations on this application.

[0029] Example 1:

[0030] This embodiment provides a mold for clamping shafts in automotive sun visors, such as... Figure 1 , Figure 2 as well as Figures 4-6As shown, from top to bottom, it includes a push plate 1, an upper template 2, a lower template 3, and a base plate 4. The push plate 1 is connected to the upper template 2, and the lower template 3 is connected to the base plate 4. The upper template 2 is movably positioned above the lower template 3. The lower surface of the upper template 2 has a first groove 5 arranged symmetrically with respect to the center. The upper surface of the lower template 3 has a second groove 6 arranged symmetrically with respect to the center and a third groove 7 communicating with the second groove 6. The cross-section of the third groove 7 is arc-shaped. The upper template 2 has a through first feed hole 8, which is located directly above the third groove 7. When the upper template 2 and the lower template 3 are in contact, the third groove 7 and the lower surface of the upper template 2 cooperate to form an arc-shaped flow channel. The first groove 5 and the second groove 6 cooperate to form a forming cavity for accommodating the clamping shaft. The cross-section of the forming cavity is circular. In this embodiment, the upper template 2 and the lower template 3 are cuboids; the lower surface of the upper template 2 can also be provided with a channel that mates with the third groove 7; in use, the two ends of the first groove 5 and the second groove 6 are in contact with the surface of the clamping shaft, that is, the two ends of the molding cavity are in contact with the surface of the clamping shaft, which can prevent the injection plastic from flowing out from the two ends of the molding cavity. The cross-sectional area of ​​the middle part of the first groove 5 is larger than the cross-sectional area of ​​the two ends of the first groove 5, and the cross-sectional area of ​​the middle part of the second groove 6 is larger than the cross-sectional area of ​​the two ends of the second groove 6, that is, the cross-sectional area of ​​the middle part of the molding cavity is larger than the cross-sectional area of ​​the two ends of the molding cavity, so that the injection plastic can form a kit that fits with the clamping shaft around the clamping shaft in the molding cavity; the molding cavity and the clamping shaft are arranged concentrically; the push plate 1 is provided with a through second feed hole 22, which is connected to the first feed hole 8; the arc-shaped flow channel refers to the arc-shaped extension path of the third groove 7.

[0031] The push plate 1 is used to connect the upper template 2 and the injection molding machine, and the bottom plate 4 is used to connect the lower template 3 and the injection molding machine; the first feed hole 8 is used for the injection plastic to enter; the lower surface of the upper template 2 is fitted with the third groove 7 with a flat surface, so that the injection plastic can be easily separated from the lower surface of the upper template 2. That is, after the upper template 2 is detached, the excess injection plastic can remain on the lower template 3, which makes it easy for the worker to directly remove the excess injection plastic; the flow channel is arc-shaped, which can reduce the movement speed of the injection plastic, facilitate the discharge of gas, and improve the injection molding quality; the cross-section of the molding cavity is circular, which can guide the injection plastic to form a kit outside the clamping shaft, which can fix the excess fabric between the kit and the clamping shaft without sewing, making the fixing of the fabric more convenient and strengthening the structural strength of the clamping shaft.

[0032] like Figure 8 , Figure 9As shown, during operation, the clamping shaft of the car sun visor is first placed on the first groove 5. The injection molding machine drives the push plate 1 to descend, so that the upper mold plate 2 moves down synchronously to fit with the lower mold plate 3. The injection plastic enters the third groove 7 from the first feed hole 8, and then flows to both sides along the flow channel into the molding cavity. The injection plastic entering the molding cavity will surround the clamping shaft to form a kit that fits with the clamping shaft. After the injection molding is completed, the injection molding machine drives the push plate 1 to rise, so that the upper mold plate 2 rises synchronously and separates from the lower mold plate 3. The completed injection molding car sun visor is removed, and the excess injection plastic on the lower mold plate 3 is removed to facilitate the next injection molding.

[0033] For reliable injection molding, the first feed hole 8 is located directly above the center of the third groove 7. The extension path from the center of the third groove 7 to one of the second grooves 6 is rotated 180° and coincides with the extension path from the center of the third groove 7 to the other second groove 6. With the first feed hole 8 directly above the center of the third groove 7, that is, when the upper mold plate 2 and the lower mold plate 3 are in contact, the first feed hole 8 connects to the center of the third groove 7, allowing the injection plastic to flow from the center of the third groove 7 to both sides, thus simultaneously feeding into the molding cavities on both sides. The paths from the center of the third groove 7 to the two second grooves 6 are identical in shape, differing only in direction, ensuring consistent feeding pressure and rate of the injection plastic into the two molding cavities. This guarantees the quality of the clamped shaft injection molding and prevents defects such as wall thickness deviation and shrinkage cavities caused by uneven feeding.

[0034] To ensure reliable installation of template 3, such as Figure 3 As shown, the base plate 4 is provided with a first mounting groove 11, and the shape of the lower template 3 matches the first mounting groove 11, with the bottom of the lower template 3 located on the first mounting groove 11. The first mounting groove 11 and the lower template 3 cooperate to facilitate the positioning of the lower template 3 during assembly, as it only requires inserting the lower template 3 into the first mounting groove 11. It also restricts the horizontal movement of the lower template 3, ensuring the precision of the fit between the upper template 2 and the lower template 3, thus guaranteeing the precision of the injection molding. In this embodiment, the lower template 3 and the base plate 4 are connected by bolts, and the base plate 4 is provided with countersunk holes to prevent the bolt heads from protruding.

[0035] To ensure reliable installation of the upper template 2, the push plate 1 is provided with a second mounting groove 13. The shape of the upper template 2 matches the second mounting groove 13, and the bottom of the upper template 2 is located on the second mounting groove 13. The second mounting groove 13, in conjunction with the upper template 2, facilitates the positioning of the upper template 2 during assembly (simply insert the upper template 2 into the second mounting groove 13), and also restricts horizontal movement of the upper template 2, ensuring the precision of the fit between the upper template 2 and the lower template 3, thus guaranteeing the precision of injection molding. In this embodiment, the upper template 2 and the push plate 1 are connected by bolts, and the push plate 1 is provided with countersunk holes to prevent the bolt heads from protruding.

[0036] To improve the fitting accuracy of the upper template 2 and the lower template 3, the lower surface of the upper template 2 is provided with a positioning protrusion 9, and the upper surface of the lower template 3 is provided with a positioning groove 10. The positioning protrusion 9 cooperates with the positioning groove 10; at least one side of the positioning protrusion 9 is inclined inward. The cooperation between the positioning protrusion 9 and the positioning groove 10 can accurately position the fitting of the upper template 2 and the lower template 3, improving the fitting accuracy of the upper template 2 and the lower template 3. The side of the positioning protrusion 9 is inclined inward, and the positioning groove 10 is also provided with an outwardly inclined side. The fitting of the two sides can play a guiding role when the upper template 2 and the lower template 3 are fitted, further improving the fitting accuracy of the upper template 2 and the lower template 3.

[0037] In this embodiment, two positioning protrusions 9 are provided. The two positioning protrusions 9 are located on both sides of the upper template 2. The outward side of the positioning protrusion 9 is on the same plane as the outer side of the upper template 2. The positioning protrusion 9 on each side is located in the middle of the corresponding side of the positioning protrusion 9. The two opposite sides of the positioning protrusion 9 are inclined inward, which makes it easier for the positioning protrusion 9 to be aligned with the positioning groove 10 and also makes the guiding effect good.

[0038] To improve injection molding quality, the lower mold plate 3 is provided with a sinking flow channel 12, which is located directly below the first feed hole 8 and is connected to the third groove 7. At the beginning of injection molding, the temperature of the initial injection plastic flowing out of the injection molding machine is not high, which can easily harden and block the flow channel or enter the molding cavity, affecting the quality of the molded part. The design of the sinking flow channel 12 allows the hardened injection plastic to fall into the sinking flow channel 12 first, and then the normal injection plastic will fill the sinking flow channel 12 and flow to both sides along the third groove 7, ensuring the quality of the injection plastic entering the third groove 7, thereby ensuring the quality of the injection molding.

[0039] In this embodiment, the cross-section of the sinking channel 12 is circular; the diameter of the sinking channel 12 is smaller than the diameter of the first feed hole 8, which can reduce the amount of plastic required to fill the sinking channel 12, reduce waste, and lower costs.

[0040] To facilitate the separation of the molded part from the flow channel, a fourth groove 21 is provided between the third groove 7 and the second groove 6. The two ends of the fourth groove 21 are connected to the third groove 7 and the second groove 6, respectively. The cross-sectional area of ​​the fourth groove 21 gradually decreases from the side of the third groove 7 to the side of the second groove 6, and there is an arc-shaped transition between the third groove 7 and the fourth groove 21. The maximum cross-sectional area of ​​the fourth groove 21 is less than half the maximum cross-sectional area of ​​the third groove 7. The small area of ​​the fourth groove 21 makes it easy for the molded part to separate from the injection plastic in the third groove 7, facilitating the separation of the molded part. The gradually decreasing cross-sectional area of ​​the fourth groove 21 facilitates the inflow of injection plastic at larger cross-sectional areas and facilitates separation at smaller cross-sectional areas. The arc-shaped transition between the third groove 7 and the fourth groove 21 allows the injection plastic to flow smoothly from the third groove 7 to the fourth groove 21, reducing flow resistance and making the transition from the larger cross-sectional area of ​​the third groove 7 to the smaller cross-sectional area of ​​the fourth groove 21 more natural.

[0041] In this embodiment, the fourth groove 21 is located at the center of the arc surface.

[0042] To facilitate the placement of car sun visors, such as Figure 7 As shown, a placement plate 14 is provided on the base plate 4, and the placement plate 14 is connected to the base plate 4. The upper surface of the placement plate 14 is provided with a placement groove 15 that matches the shape of the car sun visor. Two placement grooves 15 are symmetrically arranged opposite the lower template 3. The design of the placement plate 14 facilitates the stable placement of the car sun visor and is convenient for injection molding. The shape of the placement groove 15 matches the shape of the car sun visor, making it easy for workers to accurately place the car sun visor into the placement groove 15. Moreover, the placement direction of the car sun visor is clear at a glance, which is convenient for workers to operate.

[0043] To facilitate the installation of the lower template 3, the placement plate 14 is provided with a through hole 16 to accommodate the lower template 3. The through hole 16 is located on one side of the placement plate 14. The design of the through hole 16 can prevent the placement plate 14 from blocking the lower template 3. The lower template 3 extends out of the placement plate 14 through the through hole 16, so that the placement plate 14 will not affect the fit between the upper template 2 and the lower template 3. The through hole 16 is located on one side of the placement plate 14, which means that the lower template 3 is installed on one side of the placement plate 14, reducing the overall volume of the placement plate 14.

[0044] To improve the support for the placement plate 14, the placement plate 14 is connected to the base plate 4 via support plates 17. Two support plates 17 are provided, located on opposite sides of the lower template 3. The support plates 17 extend from the side closest to the through hole 16 towards the other side, and the length of the support plate 17 is greater than half the length of the placement plate 14, while the length of the base plate 4 is less than half the length of the placement plate 14. The base plate 4 has a small area, and the support plates 17 are used to expand the support range for the placement plate 14, improving its stability without increasing the installation area of ​​the base plate 4. The two support plates 17 are symmetrically arranged on both sides of the lower template 3, providing good support on both sides and making the overall structure more stable.

[0045] In this embodiment, the support plate 17 is connected to the placement plate 14 and the base plate 4 by bolts.

[0046] To facilitate the placement and retrieval of the car sun visor, the placement plate 14 is provided with a gripping groove 18, which is located outside the placement groove 15 and communicates with it. The design of the gripping groove 18 makes it easy for workers to grip and place the car sun visor from the side.

[0047] For reliable positioning, the push plate 1 has at least three first positioning holes 19, wherein the line connecting the three first positioning holes 19 forms a triangle; the base plate 4 has at least three second positioning holes 20, wherein the line connecting the three second positioning holes 20 forms a triangle. In this embodiment, three first positioning holes 19 and three second positioning holes 20 are provided. The first positioning holes 19 and the second positioning holes 20 are used to connect with the guide pillars on the injection molding machine, ensuring reliable connection between the injection molding machine and the push plate 1 and the base plate 4. Furthermore, the fact that three first positioning holes 19 and three second positioning holes 20 are provided in a triangular arrangement enables precise positioning and installation of the push plate 1 and the base plate 4, ensuring installation accuracy.

[0048] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A mold for clamping shafts in automotive sun visors, characterized in that, From top to bottom, it includes a push plate (1), an upper template (2), a lower template (3), and a base plate (4). The push plate (1) is connected to the upper template (2), and the lower template (3) is connected to the base plate (4). The upper template (2) is movably positioned above the lower template (3). The lower surface of the upper template (2) is provided with symmetrically arranged first grooves (5), and the upper surface of the lower template (3) is provided with symmetrically arranged second grooves (6) and a third groove (7) communicating with the second grooves (6). The cross-section of the third groove (7) is arc-shaped. A through first feed hole (8) is provided, which is located directly above the third groove (7). When the upper template (2) and the lower template (3) are in contact, the third groove (7) and the lower surface of the upper template (2) cooperate to form an arc-shaped flow channel. The first groove (5) and the second groove (6) cooperate to form a molding cavity for accommodating the clamping shaft. The cross-section of the molding cavity is circular. When the clamping shaft and excess fabric on the clamping shaft are placed into the molding cavity, the molding cavity guides the injection plastic to form a kit outside the clamping shaft to fix the fabric on the clamping shaft. The base plate (4) is provided with a placement plate (14), which is connected to the base plate (4); the upper surface of the placement plate (14) is provided with a placement groove (15) that matches the shape of the car sun visor. The placement plate (14) is provided with a through hole (16) for accommodating the lower template (3) to pass through, and the through hole (16) is located on one side of the placement plate (14); The placement plate (14) is connected to the bottom plate (4) through the support plate (17). Two support plates (17) are provided, and the two support plates (17) are located on both sides of the lower template (3). The support plate (17) extends from the side near the through hole (16) to the other side. The length of the support plate (17) is greater than half the length of the placement plate (14), and the length of the bottom plate (4) is less than half the length of the placement plate (14).

2. The mold for clamping shafts of automotive sun visors according to claim 1, characterized in that, The first feed hole (8) is located directly above the center of the third groove (7); the extension path from the center of the third groove (7) to one of the second grooves (6) is rotated 180° and coincides with the extension path from the center of the third groove (7) to the other second groove (6).

3. The mold for clamping shafts of automotive sun visors according to claim 1, characterized in that, The base plate (4) is provided with a first mounting groove (11), the shape of the lower template (3) matches the first mounting groove (11), and the bottom of the lower template (3) is located on the first mounting groove (11); the push plate (1) is provided with a second mounting groove (13), the shape of the upper template (2) matches the second mounting groove (13), and the bottom of the upper template (2) is located on the second mounting groove (13).

4. A mold for clamping shafts of automotive sun visors according to claim 1, characterized in that, The lower surface of the upper template (2) is provided with a positioning protrusion (9), and the upper surface of the lower template (3) is provided with a positioning groove (10). The positioning protrusion (9) and the positioning groove (10) cooperate. The lower template (3) is provided with a sinking channel (12), which is located directly below the first feed hole (8).

5. A mold for clamping shafts of automotive sun visors according to claim 1, characterized in that, A fourth groove (21) is provided between the third groove (7) and the second groove (6). The two ends of the fourth groove (21) are connected to the third groove (7) and the second groove (6) respectively. The cross-sectional area of ​​the fourth groove (21) gradually decreases from the side of the third groove (7) to the side of the second groove (6). The third groove (7) and the fourth groove (21) are connected in an arc shape. The maximum cross-sectional area of ​​the fourth groove (21) is less than half of the maximum cross-sectional area of ​​the third groove (7).

6. A mold for clamping shafts of automotive sun visors according to claim 1, characterized in that, The placement plate (14) is provided with a gripping groove (18), which is located outside the placement groove (15) and communicates with the placement groove (15).

7. A mold for clamping shafts of automotive sun visors according to claim 1, characterized in that, The push plate (1) is provided with at least three first positioning holes (19), wherein the line connecting the three first positioning holes (19) is a triangle; the base plate (4) is provided with at least three second positioning holes (20), wherein the line connecting the three second positioning holes (20) is a triangle.

Images