A front and rear door handle mold

Abstract

The present invention discloses a front and rear door handle mold, comprising: an upper mold assembly; a lower mold assembly, wherein the lower template is provided with an inclined core-pulling mechanism, a first lateral core-pulling mechanism and a second lateral core-pulling slider. The inclined slider on the inclined core-pulling mechanism moves obliquely along the mold opening direction, and both the first lateral core-pulling slider and the second lateral core-pulling slider move horizontally. The combination of the inclined slider and the lower mold core is used to form the transition area on the handle body. The first lateral core-pulling slider is inserted into the lateral through hole on the inclined slider and penetrates through the lower mold core. The combination of the first lateral core-pulling slider, the lower mold core and the inclined slider is used to form the side hole. The second lateral core-pulling slider penetrates through both the inclined slider and the lower mold core, and the lower mold core is used to form the anti-stop port. The present invention provides a front and rear door handle mold. By adopting the combined design of the inclined core-pulling and lateral core-pulling mechanisms, it can accurately form complex structures with side holes, improve the precision and quality of the handle parts, and optimize the manufacturing process to reduce the process difficulty.

Description

Technical Field

[0001] The present invention relates to the technical field of molds, and more specifically, to a front and rear door handle mold. Background Art

[0002] In automobile manufacturing, the design of the front and rear door handles should not only meet the requirements of appearance and function, but also consider its manufacturability. As shown in Figure 1-2 The structure of the plastic part of the automobile handle is relatively complex, especially challenging in mold manufacturing. The handle body adopts a shell-like design with a smaller upper part and a larger lower part, which can provide good mechanical properties. The connection structure at the upper end of the handle body is used to firmly install it on the car door, while the side hole and the snap structure at its inner end increase the installation flexibility and reliability of the part.

[0003] There is a height difference in the transition area of the outer surface of the handle body, which not only increases the sense of layering of the appearance, but may also help to reduce weight or improve the strength of the handle. However, this height difference also brings additional complexity to the mold design. There are several anti-stop port designs on the inner surface of the bottom end of the handle body, and these anti-stop port structures can prevent loosening after the handle is installed, but in mold manufacturing, this structure increases the difficulty of demolding. These structural details cooperate with each other to jointly ensure the functionality and aesthetics of the handle, but at the same time, they also put forward higher requirements for mold manufacturing. Summary of the Invention

[0004] The present invention aims to solve one of the technical problems in the related technologies to a certain extent. For this purpose, the present invention proposes a front and rear door handle mold, a combined design of an inclined core-pulling mechanism and a lateral core-pulling mechanism, accurately forming a complex structure with side holes, improving the accuracy and quality of the handle parts, and optimizing the manufacturing process to reduce the process difficulty.

[0005] The technical solution adopted by the present invention is: to provide a front and rear door handle mold, including:

[0006] An upper mold assembly, which includes an upper template and an upper mold core;

[0007] The lower die assembly includes a lower template and a lower die core. The lower template is provided with an inclined core-pulling mechanism, a first lateral core-pulling mechanism, and a second lateral core-pulling slider. The inclined slider on the inclined core-pulling mechanism moves obliquely in the mold opening direction. The first lateral core-pulling slider on the first lateral core-pulling mechanism and the second lateral core-pulling slider both move horizontally. The upper die core and the lower die core are in butt joint, and their combination is used to form the connecting structure on the gripper body. The combination of the inclined slider and the lower die core is used to form the transition area on the gripper body. The first lateral core-pulling slider is inserted into the lateral through hole on the inclined slider and is in butt joint with the lower die core. The combination of the first lateral core-pulling slider, the lower die core, and the inclined slider is used to form the side hole on the gripper body. The second lateral core-pulling slider is in butt joint with the inclined slider and the lower die core respectively. The lower die core is used to form the anti-retaining opening of the gripper body.

[0008] After adopting the above structure, the mold design of the present invention can effectively solve the technical problems encountered in the molding process of the complex structure of the gripper body, and ensure the precise molding and quality stability of the gripper body. First of all, through the oblique movement of the inclined slider of the inclined core-pulling mechanism in the mold opening direction, the mold can be smoothly demolded when opening the mold. Even if the gripper body has a transition area with a height difference, it can also be formed by the cooperation of the inclined slider and the lower die core, avoiding damage or deformation of the parts caused by forced demolding.

[0009] Secondly, the combination of the first lateral core-pulling slider and the inclined slider can form the side hole on the gripper body. The design of the second lateral core-pulling slider cooperates with the lower die core and the inclined slider to perform core-pulling operation on the stepped surface of the gripper body during the molding process. The molding design of the lower die core and the anti-retaining opening is closely matched, so that the anti-retaining opening structure at the bottom end of the gripper body can be accurately formed. Through the coordinated work of the lateral core-pulling slider and the lower die core, the mold can reduce the lateral interference problem during the molding and demolding processes, improving the service life and molding efficiency of the mold.

[0010] According to an embodiment of the present invention, the lower die assembly is provided with a submarine gate device. The submarine gate device is in close contact with the lower die core, and the submarine gate device is located below the first lateral core-pulling slider. The design of the submarine gate device enables the molten plastic to smoothly enter the mold cavity during the injection process, and realizes precise pouring control through the butt joint design with the lower die core. The submarine gate device is located at the lower position of the first lateral core-pulling slider. Such a layout can not only optimize the melt flow path, ensure the uniformity and integrity of plastic filling, but also effectively reduce the influence of gate marks on the surface of the finished product, improving the appearance quality of the gripper body. In addition, the concealed design of the submarine gate avoids burrs generated by the gate incision during the mold molding process, further improving the mold manufacturing efficiency and the quality of the final product.

[0011] According to an embodiment of the present invention, the lower die core is provided with a plurality of through holes, and a plurality of inserts are connected to the lower die core corresponding to the positions of the through holes. The inserts block the lower openings of the through holes, and the combination of the inserts and the through holes is used to form the anti-retaining port. During the injection molding process, the molten plastic can accurately fill the anti-retaining port part, thereby realizing the precise molding of the anti-retaining port. This design method not only improves the molding accuracy, but also facilitates the maintenance and replacement of the mold. When the insert is worn or damaged, the insert can be replaced separately, avoiding the replacement of the entire lower die core and reducing the mold maintenance cost.

[0012] According to an embodiment of the present invention, a spring is provided between the insert and the lower die core; it can provide appropriate resilience during the molding and demolding processes, ensuring that the insert closely fits the lower die core during plastic injection, thereby preventing the molten plastic from leaking into the gap between the insert and the lower die core. The elastic design of the spring also helps the insert to quickly reset during demolding, enabling the mold to smoothly separate from the molded gripper body and reducing the occurrence of mold clamping phenomena. In addition, the setting of the spring can effectively relieve the impact force generated by high-pressure injection molding during molding, thereby extending the service life of the mold and maintaining the accuracy and surface quality of the finished product.

[0013] According to an embodiment of the present invention, the inclined core-pulling mechanism further includes an inclined guide base, an inclined guide rail provided on the inclined guide base, and an inclined core-pulling oil cylinder fixedly installed on the inclined guide base. The inclined slider is slidably matched with the inclined guide rail, and the inclined core-pulling oil cylinder is used to drive the inclined slider to move toward or away from the lower die core; the inclined guide base provides a stable support platform for the inclined slider to ensure its stability during movement. The sliding fit design of the inclined slider and the inclined guide rail enables the inclined slider to accurately move along the inclined guide rail toward or away from the lower die core. The inclined core-pulling oil cylinder drives the inclined slider to move through hydraulic control, providing sufficient thrust and resilience for the inclined slider, thereby completing the inclined core-pulling action when the mold is opened.

[0014] According to an embodiment of the present invention, the front end of the inclined slider has a notch-shaped positioning portion, and the lower template is provided with a positioning protrusion corresponding to the position of the positioning portion; the notch-shaped positioning portion at the front end of the inclined slider cooperates with the positioning protrusion on the lower template, enabling the inclined slider to be accurately positioned when it moves to the specified position. This positioning design ensures the stability of the inclined slider during mold opening or closing through the engagement of the notch and the protrusion, preventing misalignment or loosening problems caused by the movement of the slider during the injection molding process.

[0015] According to an embodiment of the present invention, the lower die assembly further includes a top plate, a first ejector pin and a second ejector pin. The first ejector pin is used to eject the gripper body, and the second ejector pin is used to eject the gate condensate. The function of the first ejector pin is to eject the formed gripper body from the mold during mold opening, preventing the gripper body from sticking and remaining in the mold cavity, and ensuring the smooth demolding of the product. The second ejector pin is specifically used to eject the gate condensate part, enabling the gate to be quickly separated from the molded part after injection molding, reducing manual processing steps and improving production efficiency.

[0016] According to an embodiment of the present invention, the first side core-pulling mechanism further includes a first core-pulling oil cylinder, and the first core-pulling oil cylinder is used to drive the first side core-pulling slider to move towards or away from the lower die core.

[0017] According to an embodiment of the present invention, the second side core-pulling slider has an inclined guide hole, and the upper template is provided with an inclined guide post corresponding to the position of the inclined guide hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 It is a perspective view of the front and rear door grippers in the embodiment of the present invention.

[0020] Figure 2 It is a perspective view of the front and rear door grippers in the embodiment of the present invention.

[0021] Figure 3 It is a perspective view of the upper die assembly in the embodiment of the present invention.

[0022] Figure 4 It is a perspective view of the lower die assembly in the embodiment of the present invention.

[0023] Figure 5 It is a partial structural view of the lower die assembly in the embodiment of the present invention.

[0024] Figure 6 It is a perspective view of the lower die assembly after removing the lower template and the lower die core in the embodiment of the present invention.

[0025] Figure 7 It is a perspective view of the inclined core-pulling mechanism in the embodiment of the present invention.

[0026] Figure 8 It is a bottom view of the inclined core-pulling mechanism, the first side core-pulling mechanism and the second side core-pulling slider in the embodiment of the present invention.

[0027] Figure 9 This is a three-dimensional view of the inclined slider and the first inclined core-pulling slider in the embodiment of the present invention.

[0028] Figure 10 This is a three-dimensional view of the second inclined core-pulling slider in the embodiment of the present invention.

[0029] Figure 11 This is a three-dimensional view of the lower die insert in the embodiment of the present invention.

[0030] Figure 12 This is an exploded view of the lower die insert in the embodiment of the present invention.

[0031] Figure 13 This is a three-dimensional view of the lower die insert when it is ejected in the embodiment of the present invention.

[0032] Description of the reference numerals in the figure:

[0033] 10. Gripper body; 20. Upper die assembly; 30. Lower die assembly; 40. Inclined core-pulling mechanism; 50. First lateral core-pulling mechanism; 60. Second lateral core-pulling slider;

[0034] 11. Connection structure; 12. Side hole; 13. Transition zone; 14. Anti-stop port;

[0035] 21. Upper template; 22. Upper die insert; 23. Inclined guide post; 24. Guide post;

[0036] 31. Lower template; 32. Lower die insert; 33. Top plate; 34. First ejector pin; 35. Submarine gate device; 36. Second ejector pin; 37. Insert; 38. Spring;

[0037] 31a. Positioning protrusion;

[0038] 32a. Through hole;

[0039] 37a. Insertion end;

[0040] 41. Inclined guide seat; 42. Inclined slider; 43. Lateral through hole; 44. Positioning part; 45. Inclined core-pulling oil cylinder; 46. Inclined guide rail; 47. Runner;

[0041] 51. First lateral core-pulling slider; 52. First core-pulling oil cylinder;

[0042] 51a. First forming end; 51b. Limiting part;

[0043] 61. Inclined guide hole; 62. Second forming end. Detailed implementation manner

[0044] Embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where like or similar reference numerals denote like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation to the present invention. Embodiment 1

[0045] Combined with Figure 1-2 As shown, the gripper body 10 adopts a shell-like design with a smaller upper part and a larger lower part. Its lower part is provided with a peripheral edge and a top wall, and a boss structure is provided on the top wall. A connecting structure 11 is provided at the upper end of the boss structure. The connecting structure 11 includes a screw post, a cross positioning post, a three-step connecting post, etc. Among them, the three-step connecting post protrudes from the upper end surface of the boss structure. A downwardly concave groove is provided on the upper end surface of the boss structure. The screw post and the cross positioning post are located therein, and a plurality of reinforcing ribs are provided on the side wall of the groove. A side hole 12 is opened on one side of the boss structure. The side hole 12 is formed by the lateral extension of the boss structure shell and is provided with a buckle structure at the inner end. A plurality of reinforcing ribs are connected between the side wall of the groove and the top wall of the side hole 12 to enhance the structural strength. A plurality of anti-retaining mouths 14 are further provided on the inner surface of the lower peripheral edge of the gripper body 10. In addition, there is a height difference in the transition area 13 between the top wall and the boss structure to ensure the stability and adaptability of the structure.

[0046] As Figures 3-10 shown, a front and rear door gripper mold is disclosed in this embodiment, including:

[0047] An upper die assembly 20, which includes an upper template 21 and an upper die core 22. The upper die core 22 is fixedly installed on the upper template 21, and the upper template 21 is also fixedly installed with a guide post 24 and an inclined guide post 23;

[0048] The lower die assembly 30 includes a lower template 31 and a lower die core 32. The lower template 31 is provided with a guide sleeve corresponding to the guide post 24, and the guide post 24 is slidably engaged with the guide sleeve. The lower template 31 is provided with an inclined core-pulling mechanism 40, a first lateral core-pulling mechanism 50 and a second lateral core-pulling slider 60. The inclined slider 42 on the inclined core-pulling mechanism 40 moves obliquely in the mold opening direction, and the first lateral core-pulling slider 51 on the first lateral core-pulling mechanism 50 and the second lateral core-pulling slider 60 both move horizontally. The upper die core 22 and the lower die core 32 are in butt joint, and their combination is used to form the connecting structure 11 on the gripper body 10. The combination of the inclined slider 42 and the lower die core 32 is used to form the transition area 13 on the gripper body 10. The first lateral core-pulling slider 51 is inserted into the lateral through hole 43 on the inclined slider 42 and is in butt joint with the lower die core 32. The combination of the first lateral core-pulling slider 51, the lower die core 32 and the inclined slider 42 is used to form the side hole 12 on the gripper body 10. The second lateral core-pulling slider 60 is in butt joint with the inclined slider 42 and the lower die core 32 respectively, and the lower die core 32 is used to form the anti-stop port 14 of the gripper body 10.

[0049] Combined with Figures 4-6 As shown, in this embodiment, the enclosure of the inclined core-pulling mechanism 40, the first lateral core-pulling mechanism 50 and the second lateral core-pulling slider 60 is used to form the three side walls of the gripper body 10, and the combination of the first lateral core-pulling mechanism 50 and the inclined core-pulling mechanism 40 is used to form the side hole 12. The upper die core 22 and the lower die core 32 are in butt joint. The upper die core 22 is used to form the connecting structure 11, and the lower die core 32 is used to form the inner wall of the gripper body 10.

[0050] Further, combined with Figure 8 As shown, the combination of the inclined slider 42 and the second lateral core-pulling slider 60 forms a runner 47. The combination of the inclined slider 42 and the lower die core 32 can form the transition area 13 with a height difference later. When the mold is opened, the inclined slider 42 moves obliquely upward to facilitate the separation of the condensate in the runner 47. The inclined slider 42 is provided with a lateral through hole 43, and the lateral through hole 43 penetrates both sides of the inclined slider 42. The end of the first lateral core-pulling slider 51 is a first forming end 51a. When the mold is closed, the first lateral core-pulling slider 51 extends into the lateral through hole 43 of the inclined slider 42, and the first forming end 51a is in butt joint with the upper die core 22 and the lower die core 32 to form a buckle structure. The first lateral core-pulling slider 51 has a limiting portion 51b. When the first lateral core-pulling slider 51 moves to a predetermined position, the limiting portion 51b abuts against the side surface of the inclined slider 42. The front end of the inclined slider 42 has a notch-shaped positioning portion 44, and the lower template 31 is provided with a positioning protrusion 31a corresponding to the positioning portion 44; the notch-shaped positioning portion 44 at the front end of the inclined slider 42 and the positioning protrusion 31a on the lower template 31 cooperate with each other so that the inclined slider 42 can be accurately positioned when it moves to a specified position.

[0051] Specifically, in combination with Figures 11-13 As shown, in this embodiment, the lower mold assembly 30 is provided with a submarine gate device 35. The submarine gate device 35 is a horn gate. The submarine gate device 35 is fixedly installed on the lower template 31. The submarine gate device 35 abuts tightly against the lower mold core 32, and the submarine gate device 35 is located below the first side core-pulling slider 51. The horn gate is the main runner, and the gate point is the inner wall of the periphery of the gripper body 10.

[0052] Correspondingly, the lower mold assembly 30 further includes a top plate 33, a first ejector pin 34, and a second ejector pin 36. The first ejector pin 34 is used to eject the gripper body 10, and the second ejector pin 36 is used to eject the gate condensate. The function of the first ejector pin 34 is to eject the formed gripper body 10 from the mold during mold opening, to prevent the gripper body 10 from sticking and remaining in the mold cavity, and to ensure the smooth demolding of the product. The second ejector pin 36 is specifically used to eject the horn gate condensate part.

[0053] Specifically, in combination with Figure 12 As shown, the lower mold core 32 is provided with a plurality of through holes 32a, and a plurality of inserts 37 are connected to the lower mold core 32 at positions corresponding to the through holes 32a. The inserts 37 block the lower openings of the through holes 32a. The combination of the inserts 37 and the through holes 32a is used to form the anti-stop port 14. A spring 38 is provided between the inserts 37 and the lower mold core 32. The spring 38 can provide appropriate resilience during the molding and demolding processes to ensure that the inserts 37 fit tightly against the lower mold core 32 during plastic injection, thereby preventing molten plastic from leaking into the gap between the inserts 37 and the lower mold core 32. In this embodiment, since the anti-stop port 14 has an arc-shaped contour structure, the extending end 37a of the insert 37 enters the through hole 32a and is used to form the arc-shaped contour structure of the anti-stop port 14.

[0054] Specifically, in combination with Figure 7 As shown, in this embodiment, the inclined core-pulling mechanism 40 further includes an inclined guide base 41, an inclined guide rail 46 provided on the inclined guide base 41, and an inclined core-pulling oil cylinder 45 fixedly installed on the inclined guide base 41. The inclined slider 42 is slidably engaged with the inclined guide rail 46. The inclined core-pulling oil cylinder 45 is used to drive the inclined slider 42 to move towards or away from the lower mold core 32. The inclined guide base 41 is fixedly installed on the lower template 31. The piston rod end of the inclined core-pulling oil cylinder 45 is connected to the inclined slider 42, and the inclined slider 42 is slidably engaged with the inclined guide rail 46. Driven by the inclined core-pulling oil cylinder 45, the inclined slider 42 moves towards or away from the lower mold core 32.

[0055] Specifically, in combination with Figure 6As shown, the first side core-pulling mechanism 50 further includes a first core-pulling oil cylinder 52, which is used to drive the first side core-pulling slider 51 to move towards or away from the lower mold core 32. The second side core-pulling slider 60 has an inclined guide hole 61, and the upper template 21 is provided with an inclined guide post 23 corresponding to the position of the inclined guide hole 61.

[0056] Further, in this embodiment, the mold opening steps of the front and rear door gripper mold are as follows:

[0057] First, the upper mold assembly 20 and the lower mold assembly 30 move away from each other, and the parting surface between the upper template 21 and the lower template 31 is separated. Driven by the inclined guide post 23, the second side core-pulling slider 60 moves outward, and the second forming end 62 at the end of the second side core-pulling slider 60 is separated from the plastic part. Then the first core-pulling oil cylinder 52 drives the first side core-pulling slider 51 to move outward, so that the first forming end 51a is separated from the lateral through hole 43 on the inclined slider 42, avoiding interference of the first side core-pulling slider 51 with the movement of the inclined slider 42. Then the inclined core-pulling oil cylinder 45 drives the inclined slider 42 to move obliquely until the inclined slider 42 is separated from the plastic part without interfering with the ejection of the plastic part. Finally, the top plate 33 moves upward, and the first ejector pin 34 and the second ejector pin 36 move synchronously. The first ejector pin 34 ejects the plastic part, and the second ejector pin 36 ejects the horn gate condensate part.

[0058] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0059] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0060] In the present invention, unless otherwise clearly specified or limited, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

[0061] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A front and rear door gripper mold, characterized in that: include: An upper mold assembly (20), comprising an upper mold plate (21) and an upper mold core (22); A lower mold assembly (30) comprises a lower mold plate (31) and a lower mold core (32), wherein the lower mold plate (31) is provided with an oblique core pulling mechanism (40), a first lateral core pulling mechanism (50) and a second lateral core pulling slider (60), wherein the oblique slider (42) on the oblique core pulling mechanism (40) moves obliquely along the mold opening direction, and the first lateral core pulling slider (51) and the second lateral core pulling slider (60) on the first lateral core pulling mechanism (50) both move laterally, wherein the upper mold core (22) penetrates the lower mold core (32), and the combination of the two is used to form a connecting structure (11) on a gripper body (10), wherein the oblique slider The combination of the block (42) and the lower mold core (32) is used to form a transition zone (13) on the gripper body (10); the first lateral core-pulling slider (51) is inserted into the lateral through hole (43) on the inclined slider (42) and penetrates the lower mold core (32); the combination of the first lateral core-pulling slider (51), the lower mold core (32) and the inclined slider (42) is used to form a side hole (12) on the gripper body (10); the second lateral core-pulling slider (60) penetrates the inclined slider (42) and the lower mold core (32) respectively; the lower mold core (32) is used to form a counter stop (14) of the gripper body (10); The inclined core pulling mechanism (40) further comprises an inclined guide seat (41), an inclined guide rail (46) arranged on the inclined guide seat (41), and an inclined oil pumping cylinder (45) fixedly mounted on the inclined guide seat (41); the inclined sliding block (42) is slidably matched with the inclined guide rail (46); and the inclined oil pumping cylinder (45) is used to drive the inclined sliding block (42) to move toward or away from the lower die core (32); The front end of the inclined sliding block (42) is provided with a notch-shaped positioning portion (44), and the lower template (31) is provided with a positioning protrusion (31a) at a position corresponding to the positioning portion (44); The gripper body (10) is designed in a shell shape with a small top and a large bottom, and the lower part thereof has a peripheral edge and a top wall, the top wall is provided with a boss structure, a side hole (12) is opened on one side of the boss structure, the side hole (12) is formed by a lateral extension of the boss structure shell, and a snap-fit ​​structure is provided at the inner end, and there is a height difference in the transition area (13) between the top wall and the boss structure; The oblique core pulling mechanism (40), the first lateral core pulling mechanism (50) and the second lateral core pulling slider (60) are used to enclose three sides of the molding gripper body (10); The combination of the inclined slider (42) and the second lateral core-pulling slider (60) forms a flow diversion channel (47).

2. A front and rear door gripper mold according to claim 1, characterized in that: The lower mold assembly (30) is provided with a latent gate (35), the latent gate (35) is tightly abutted against the lower mold core (32), and the latent gate (35) is located at the bottom of the first lateral core-pulling slider (51).

3. A front and rear door gripper mold according to claim 2, characterized in that: The lower mold core (32) is provided with a plurality of through holes (32a), and the lower mold core (32) is connected to a plurality of inserts (37) at positions corresponding to the through holes (32a), the inserts (37) block the lower end openings of the through holes (32a), and the combination of the inserts (37) and the through holes (32a) is used to form the counter stop (14).

4. The front and rear door gripper mold according to claim 3, characterized in that: A spring (38) is provided between the insert (37) and the lower die core (32).

5. The front and rear door gripper mold according to claim 2, characterized in that: The lower mold assembly (30) further comprises an ejector plate (33), a first ejector pin (34) and a second ejector pin (36), wherein the first ejector pin (34) is used to eject the gripper body (10), and the second ejector pin (36) is used to eject the gate condensate.

6. A front and rear door gripper mold according to any one of claims 1 to 5, characterized in that: The first lateral core pulling mechanism (50) further comprises a first core pulling cylinder (52), wherein the first core pulling cylinder (52) is used to drive the first lateral core pulling slider (51) to move towards or away from the lower die core (32).

7. A front and rear door gripper mold according to any one of claims 1 to 5, characterized in that: The second lateral core-pulling slide block (60) has an oblique guide hole (61), and the upper template (21) is provided with an oblique guide column (23) at a position corresponding to the oblique guide hole (61).

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