Core pulling mechanism and forming mold

Abstract

The invention provides a core pulling mechanism and a forming mold, relates to the technical field of molds, and is designed for solving the problem that an existing core pulling mechanism for performing core pulling on a product with an inverted buckle is complex in structure. The core-pulling mechanism comprises a first sliding block and an insert, the first sliding block can be movably arranged on a movable mold in the Y direction, and the first sliding block is used for forming a main body of a product; the insert is connected to the first sliding block through a first transmission structure, the insert is used for forming an inverted buckle of a product, the first transmission structure is used for driving the insert to retreat from the inverted buckle when the first sliding block moves, the insert moves in the first direction, and the first direction is the direction inclining towards the middle section close to the product from the negative Y direction. According to the core-pulling mechanism, core-pulling of the inverted buckle of the product is achieved while core-pulling of the product main body is achieved, and the core-pulling mechanism is simple in structure.

Description

Technical Field

[0001] The present invention relates to the technical field of molds, and more specifically, to a core-pulling mechanism and a molding die. Background Art

[0002] Currently, many products are manufactured by molds. Figure 1 is a schematic structural view of product 010. Figure 2 is Figure 1 a side structural view of product 010 in. As Figure 1 and Figure 2 shown, the structure of product 010 is complex. The side main body 011 part needs to be core-pulled by a slider, and an undercut 012 is also provided at the end of the side. An inclined lifter needs to be added for core-pulling on the basis of the slider core-pulling. Not only is the core-pulling mechanism complex in structure, high in mold cost, cumbersome in assembly, and low in efficiency, but also, during the core-pulling process, the undercut 012 on the side of product 010 is prone to being scratched and deformed. Summary of the Invention

[0003] The first object of the present invention is to provide a core-pulling mechanism to solve the technical problem that the existing core-pulling mechanism for core-pulling products with undercuts is complex in structure.

[0004] The core-pulling mechanism provided by the present invention includes a first slider and an insert. The first slider is movably disposed on the moving die along the Y direction, and the first slider is used for molding the main body of the product; the insert is connected to the first slider through a first transmission structure, and the insert is used for molding the undercut of the product. The first transmission structure is used to drive the insert to withdraw from the undercut when the first slider moves. Among them, the insert moves along a first direction, and the first direction is a direction inclined from the negative Y direction toward the middle section of the product.

[0005] By providing a core-pulling mechanism mainly composed of a first slider and an insert, when the mold is opened, the first slider moves along the Y direction to separate the first slider from the product. At the same time, under the action of the first transmission structure, the insert is linked with the first slider and moves along the direction inclined from the negative Y direction toward the middle section of the product to withdraw from the undercut of the product, thereby completing the undercut core-pulling.

[0006] This core-pulling mechanism utilizes the linked first slider and insert to realize the core-pulling of the product main body while also realizing the core-pulling of the product undercut. Not only is the core-pulling mechanism simple in structure and low in mold cost, but also, since the insert moves along the above-mentioned direction inclined from the negative Y direction toward the middle section of the product, during the undercut core-pulling process, the insert will not cause extrusion on the surface of the undercut, thereby preventing the undercut from being scratched and deformed and ensuring the undercut core-pulling effect.

[0007] Further, the first transmission structure includes a first slide and a first guide block, the first guide block and the first slide are slidably matched along the first direction, and the first guide block and the first slide are mutually limited along the X direction, wherein one of the first guide block and the first slide is arranged on the first slider, and one of the first guide block and the first slide is arranged on the insert; the X direction is parallel to the length direction of the product. This arrangement not only makes the movement process of the insert smooth, but also makes the assembly simple and the undercut core pulling efficiency high.

[0008] Furthermore, the first transmission structure further includes an elastic member, which is pressed between the first slider and the insert, and is used to make the insert always have a tendency to move along the first direction. When the first slider moves to drive the insert to move in the first direction, the elastic member will drive the insert to move in the first direction under the action of its own elastic restoring force, and provide assistance for the movement of the insert in the first direction, so that the insert can be smoothly withdrawn from the undercut, so as to improve the efficiency of the undercut core pulling.

[0009] Furthermore, the core pulling mechanism further includes a first fixed block, which is fixedly connected to the first slider; the insert is provided with a mounting hole, the axis of which extends along the first direction, the elastic member is accommodated in the mounting hole, and one end of the elastic member exposed from the mounting hole abuts against the first fixed block. The provision of the first fixed block provides an abutting basis for the provision of the elastic member between the insert and the first slider, so that there is no need to form an additional physical structure for the first slider to abut against the elastic member, thereby simplifying the structure of the first slider.

[0010] Furthermore, a limit structure for limiting the maximum relative movement of the first slider and the insert is provided between the first slider and the insert. This arrangement can limit the maximum relative movement of the first slider and the insert, so that the relative movement of the insert with the first slider can be stopped after the insert completes the undercut core pulling, thereby preventing the insert from falling off during the product core pulling process.

[0011] Further, the first slider is provided with an extension area opposite to the insert along the Z direction, and the limiting structure includes a limiting block and a limiting hole, wherein one of the limiting block and the limiting hole is provided in the extension area, and the other of the limiting block and the limiting hole is provided in the insert, the limiting block is inserted in the limiting hole, and the limiting block and the limiting hole are slidably matched along the first direction. This arrangement can prevent the insert from excessive movement.

[0012] Furthermore, the core-pulling mechanism further includes a second fixing block fixedly arranged on the moving mold. The second fixing block is located on the side of the insert and abuts against the insert in the X direction. The arrangement of the second fixing block can limit the insert in the X direction and prevent the insert from disengaging from the first slider in the X direction.

[0013] Furthermore, the core-pulling mechanism further includes a second slider movably arranged on the moving mold in the Z direction. The second slider is connected to the first slider through a second transmission structure, and the second transmission structure is used to drive the first slider to move in the Y direction when the second slider moves in the Z direction. By arranging the second slider above, the transmission of power to the first slider can be realized.

[0014] Furthermore, the core-pulling mechanism further includes a power assembly, which is drivingly connected to the second slider and used to drive the second slider to move in the Z direction. The arrangement of the power assembly can provide power for the second slider to move in the Z direction and realize the automatic core-pulling of the product.

[0015] Furthermore, the second slider is provided with a driving inclined surface, and the first slider is provided with a transmission inclined surface. The transmission inclined surface is attached to the driving inclined surface, and the normal directions of both the driving inclined surface and the transmission inclined surface are along the Y direction. The second transmission structure includes a linkage structure and a guiding structure. Among them, the linkage structure is arranged between the driving inclined surface and the transmission inclined surface and is used to transmit the power of the second slider to the first slider. The guiding structure is arranged between the first slider and the moving mold and is used to guide the first slider to move in the Y direction. This setting form of the second transmission structure can realize the stable transmission of power to the first slider, and the assembly structure is simple.

[0016] Furthermore, the guiding structure includes a first guiding component, and the first guiding component includes a first guiding block and a first guiding groove. The first guiding block is fixedly connected to the moving mold, and the first guiding groove is formed on the surface of the first slider facing away from the product; and / or, the guiding structure includes a second guiding component, and the second guiding component includes a second guiding block and a second guiding groove. The second guiding block is fixedly arranged on the surface of the first slider facing the product, and the second guiding groove is relatively fixedly arranged with the moving mold. The first guiding component and the second guiding component respectively guide from the two opposite surfaces of the first slider, and the guiding reliability is relatively high, ensuring the movement accuracy of the first slider.

[0017] The second object of the present invention is to provide a molding die to solve the technical problem that the existing core-pulling mechanism for core-pulling of products with undercuts has a complex structure.

[0018] The molding die provided by the present invention includes a fixed die, a movable die, and the above-mentioned core-pulling mechanism. Among them, the fixed die faces the movable die, and the core-pulling mechanism is installed on the movable die.

[0019] By arranging the above-mentioned core-pulling mechanism in the molding die, correspondingly, this molding die has all the advantages of the above-mentioned core-pulling mechanism, which will not be elaborated here one by one. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] 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 drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the provided drawings.

[0021] Figure 1 It is a schematic structural diagram of the product;

[0022] Figure 2 is Figure 1 a schematic side view structural diagram of the product in

[0023] Figure 3 It is a schematic partial structural diagram when the molding die provided by the embodiment of the present invention forms the product;

[0024] Figure 4 is Figure 3 a schematic partial structural exploded diagram of the molding die shown;

[0025] Figure 5 It is a schematic partial structure of the molding die provided by the embodiment of the present invention Figure 1 ;

[0026] Figure 6 It is a schematic structural diagram of the first slider of the core-pulling mechanism provided by the embodiment of the present invention;

[0027] Figure 7 It is a schematic structural diagram of the insert of the core-pulling mechanism provided by the embodiment of the present invention;

[0028] Figure 8 It is a schematic partial structure of the molding die provided by the embodiment of the present invention Figure 2 ;

[0029] Figure 9 is Figure 8 a sectional view taken along line A-A in

[0030] Figure 10 It is a schematic partial structure of the molding die provided by the embodiment of the present invention Figure 3 ;

[0031] Figure 11Schematic structural diagram of the molding die provided by the embodiment of the present invention.

[0032] Explanation of reference numerals:

[0033] 010 - Product; 011 - Main body; 012 - Undercut; 020 - Core-pulling mechanism; 030 - Moving die; 031 - Moving die insert; 032 - Moving die spacer block; 033 - Guide bar; 040 - Fixed die

[0034] 100 - First slider; 110 - Extension area; 111 - Insertion hole; 112 - Positioning groove; 120 - Transmission inclined plane; 130 - Installation position; 200 - Insert; 210 - Installation hole; 220 - Ball screw; 300 - First transmission structure; 310 - First guide block; 320 - First chute; 330 - Elastic member; 400 - First fixing block; 500 - Limiting structure; 510 - Limiting block; 520 - Limiting hole; 600 - Second fixing block; 700 - Second slider; 710 - Driving inclined plane; 720 - Guide rail groove; 800 - Power assembly; 810 - Oil cylinder; 820 - Connecting bracket; 830 - Driving block; 840 - Driving groove; 910 - Linkage structure; 911 - Fixed groove; 912 - Linkage block; 913 - Linkage groove; 920 - Guide structure; 921 - First guide block; 922 - First guide groove; 923 - Second guide block; 924 - Second guide groove; 925 - Installation block. Detailed implementation manners

[0035] In order to make the above objects, features and advantages of the present invention more obvious and understandable, the following detailed description of the specific embodiments of the present invention is given with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0036] Figure 3 Partial structural schematic diagram of the molding die provided by this embodiment when molding the product 010, Figure 4 For Figure 3 Partial structural exploded schematic diagram of the shown molding die, Figure 5 Partial structural schematic of the molding die provided by this embodiment Figure 1 . As Figures 3 to 5As shown in the figure, this embodiment provides a core-pulling mechanism 020, which includes a first slider 100 and an insert 200. Specifically, the first slider 100 is movably arranged on the moving mold 030 along the Y direction, and the first slider 100 is used to form the main body 011 of the product 010; the insert 200 is connected to the first slider 100 through a first transmission structure 300, and the insert 200 is used to form the undercut 012 of the product 010, and the first transmission structure 300 is used to drive the insert 200 to withdraw from the undercut 012 when the first slider 100 moves. Among them, the insert 200 moves along a first direction, and the first direction is the direction inclined from the negative Y direction towards the middle section of the product 010.

[0037] It should be noted that in this embodiment, Figure 5 the direction indicated by the arrow S in the figure is the first direction.

[0038] During mold opening, the first slider 100 moves along the Y direction to disengage the first slider 100 from the product 010. At the same time, under the action of the first transmission structure 300, the insert 200 is linked with the first slider 100 and moves along the direction inclined from the negative Y direction towards the middle section of the product 010 to withdraw from the undercut 012 of the product 010, thereby completing the core-pulling of the undercut 012.

[0039] This core-pulling mechanism 020 utilizes the linked first slider 100 and insert 200 to realize the core-pulling of the main body 011 of the product 010 while also realizing the core-pulling of the undercut 012 of the product 010. Not only is the structure of the core-pulling mechanism 020 simple and the mold cost low, but also, since the insert 200 moves along the above-mentioned direction inclined from the negative Y direction towards the middle section of the product 010, during the core-pulling process of the undercut 012, the insert 200 will not cause extrusion to the surface of the undercut 012, thereby preventing the undercut 012 from being scratched and deformed and ensuring the core-pulling effect of the undercut 012.

[0040] Figure 6 is a schematic structural diagram of the first slider 100 of the core-pulling mechanism 020 provided in this embodiment, Figure 7 is a schematic structural diagram of the insert 200 of the core-pulling mechanism 020 provided in this embodiment. As Figure 6 and Figure 7 shown, specifically, the first transmission structure 300 includes a first chute 320 and a first guide block 310. The first guide block 310 is slidably engaged with the first chute 320 along the first direction, and the first guide block 310 and the first chute 320 are mutually limited along the X direction. Among them, the first guide block 310 is arranged on the first slider 100, specifically at the end of the first slider 100 facing the insert 200; the first chute 320 is arranged on the insert 200, specifically on one side of the insert 200 facing the end of the first slider 100; the X direction is parallel to the length direction of the product 010.

[0041] When the first slider 100 moves along the Y direction, the first guide block 310 will slide in the first chute 320. Under the sliding cooperation of the two in the first direction, the insert 200 will be moved in the first direction, so as to achieve the purpose of withdrawing the undercut 012.

[0042] This form of realizing the linkage of the insert 200 by using the sliding cooperation between the first slider 100 and the first chute 320 not only makes the movement process of the insert 200 stable, but also has simple assembly and high core-pulling efficiency for the undercut 012. In addition, by setting the first guide block 310 and the first chute 320 to be mutually limited in the X direction, it can also prevent the insert 200 from disengaging from the first slider 100 in the X direction, thus ensuring the reliability of the core-pulling of the undercut 012.

[0043] In this embodiment, the first chute 320 can be a T-shaped groove, and correspondingly, the first guide block 310 is a T-shaped block that cooperates with it. In other embodiments, the first chute 320 can also be a dovetail groove, and correspondingly, the first guide block 310 is a dovetail-shaped block that cooperates with it.

[0044] Please continue to refer to Figure 7 In this embodiment, the first transmission structure 300 can further include an elastic member 330. Specifically, the elastic member 330 is pressed between the first slider 100 and the insert 200, and the elastic member 330 is used to make the insert 200 always have a tendency to move in the first direction.

[0045] When the first slider 100 moves to drive the insert 200 to be linked in the first direction, the elastic member 330 will, under the action of its own elastic restoring force, drive the insert 200 to move in the first direction, providing assistance for the movement of the insert 200 in the first direction, so that the insert 200 can smoothly withdraw from the undercut 012 to improve the core-pulling efficiency of the undercut 012.

[0046] In this embodiment, the elastic member 330 can be a helical spring. This setting form of the elastic member 330 has a simple structure and low cost.

[0047] Please continue to refer to Figure 4 and Figure 5 In this embodiment, the core-pulling mechanism 020 can further include a first fixing block 400. The first fixing block 400 is fixedly connected to the first slider 100. Specifically, as Figure 6 shown, the first slider 100 is provided with an extension area 110 opposite to the insert 200 in the Z direction, and the first fixing block 400 is fixedly arranged at the lower part of the extension area 110. Please continue to refer to Figure 7, the insert 200 is provided with an installation hole 210. The installation hole 210 faces the first fixing block 400. The axis of the installation hole 210 extends along the first direction. The elastic member 330 is received in the installation hole 210, and one end of the elastic member 330 exposed from the installation hole 210 abuts against the first fixing block 400.

[0048] The setting of the first fixing block 400 provides a abutting basis for the elastic member 330 between the insert 200 and the first slider 100, so that there is no need to additionally form a solid structure on the first slider 100 for abutting against the elastic member 330, simplifying the structure of the first slider 100. In addition, by providing the installation hole 210 in the insert 200 and using the installation hole 210 to accommodate the elastic member 330, on the one hand, it can provide guidance for the contraction process of the elastic member 330, so that the force provided by the elastic member 330 for the insert 200 is always along the first direction. On the other hand, it can also prevent the elastic member 330 from falling off between the first slider 100 and the insert 200 when the first slider 100 moves in the Y direction and drives the insert 200 to move synchronously.

[0049] In this embodiment, the first fixing block 400 can be connected to the first slider 100 by screws. This setting makes the connection between the first fixing block 400 and the first slider 100 a detachable fixed connection, facilitating maintenance and replacement.

[0050] Please continue to refer to Figure 5 , in this embodiment, a limiting structure 500 for limiting the maximum relative movement stroke between the first slider 100 and the insert 200 is provided.

[0051] By providing the above-mentioned limiting structure 500, the maximum relative movement stroke between the first slider 100 and the insert 200 can be limited, so that the relative movement between the insert 200 and the first slider 100 can be stopped after the insert 200 completes the core pulling of the undercut 012, avoiding the insert 200 falling off during the core pulling process of the product 010.

[0052] Please continue to refer to Figure 6 and Figure 7 , in this embodiment, the limiting structure 500 may include a limiting block 510 and a limiting hole 520. Specifically, the limiting block 510 is provided in the extending area 110, the limiting hole 520 is provided in the insert 200, the limiting block 510 is inserted into the limiting hole 520, and the limiting block 510 and the limiting hole 520 are slidably matched along the first direction.

[0053] When the first slider 100 moves along the Y direction to drive the insert 200 to move synchronously in the first direction, under the action of the first transmission structure 300, relative movement occurs between the first slider 100 and the insert 200. During this process, the limit block 510 slides in the limit hole 520. By using the abutting effect between the limit block 510 and the edge of the limit hole 520, the maximum relative movement stroke between the first slider 100 and the insert 200 is restricted.

[0054] Please continue to refer to Figure 6 , in this embodiment, the extension area 110 is provided with an insertion hole 111 opposite to the limit hole 520. Among them, the limit block 510 is inserted into the above-mentioned insertion hole 111.

[0055] Please continue to refer to Figure 7 , in this embodiment, the limit hole 520 is a rectangular hole. This setting can restrict the relative rotation between the first slider 100 and the insert 200, and prevent the insert 200 from rotating around the Z axis relative to the first slider 100.

[0056] Please continue to refer to Figure 6 , in this embodiment, the surface of the extension area 110 facing the insert 200 is provided with a positioning groove 112. Please continue to refer to Figure 7 , in this embodiment, a ball plunger 220 is installed on the surface of the insert 200 facing the extension area 110. Among them, the ball plunger 220 cooperates with the positioning groove 112.

[0057] When the first slider 100 and the insert 200 are assembled in place, that is, when there is no relative movement between the first slider 100 and the insert 200, the ball plunger 220 provided on the insert 200 cooperates with the positioning groove 112 to position the insert 200; after relative movement occurs between the first slider 100 and the insert 200, the ball plunger 220 will be compressed and slide on the surface of the extension area 110.

[0058] Please continue to refer to Figure 3 and Figure 4 , in this embodiment, the core-pulling mechanism 020 may further include a second fixing block 600. Specifically, the second fixing block 600 is fixedly arranged on the moving mold 030. The second fixing block 600 is located on the side of the insert 200, and the second fixing block 600 abuts against the insert 200 along the X direction.

[0059] In this embodiment, only a partial structure of the moving mold 030 is shown. For example: Figure 3 , only the moving mold core 031 and the moving mold spacer 032 of the moving mold 030 are shown. Among them, the second fixing block 600 is fixedly connected to the moving mold core 031, and the moving mold spacer 032 presses the moving mold core 031 tightly along the Z direction.

[0060] The above-mentioned second fixing block 600 can limit the insert 200 in the X direction, preventing the insert 200 from detaching from the first slider 100 in the X direction.

[0061] In this embodiment, the second fixing block 600 is connected to the moving die core 031 by screws.

[0062] Please continue to refer to Figures 3 to 5 , in this embodiment, the core-pulling mechanism 020 may further include a second slider 700. Specifically, the second slider 700 is movably arranged in the moving die 030 along the Z direction, and the second slider 700 is connected to the first slider 100 through a second transmission structure. The second transmission structure is used to drive the first slider 100 to move along the Y direction when the second slider 700 moves along the Z direction.

[0063] By arranging the above-mentioned second slider 700, the transmission of power to the first slider 100 can be realized. Moreover, by setting the moving direction of the second slider 700 along the Z direction, the space above and below the molding die can be saved, which is not only convenient for space layout but also beneficial to the structural compactness of the molding die.

[0064] It should be noted that in this embodiment, the included angle between the Y direction and the Z direction is less than 90°. Taking Figure 4 the perspective as an example, when the second slider 700 moves along the Z direction, that is, when the second slider 700 moves horizontally to the left, the first slider 100 will move left and downward, and this moving direction is the Y direction in this application.

[0065] Figure 8 is a schematic diagram of the partial structure of the molding die provided in this embodiment Figure 2 . Please continue to refer to Figure 5 , and in combination with Figure 8 , in this embodiment, the core-pulling mechanism 020 may further include a power component 800. Specifically, the power component 800 is drivingly connected to the second slider 700 and is used to drive the second slider 700 to move along the Z direction.

[0066] The setting of the power component 800 can provide power for the second slider 700 to move along the Z direction and realize the automatic core-pulling of the product 010.

[0067] Please continue to refer to Figure 5, in this embodiment, the power assembly 800 may include an oil cylinder 810, a connecting bracket 820, a driving block 830, and a driving groove 840. Specifically, the connecting bracket 820 is fixedly arranged relative to the moving mold 030. The cylinder block of the oil cylinder 810 is installed on the connecting bracket 820. The cylinder rod of the oil cylinder 810 faces the second slider 700. The driving block 830 is installed at the free end of the cylinder rod. The driving block 830 is a T-shaped block. The driving groove 840 is formed on the surface of the second slider 700 facing the oil cylinder 810. The driving groove 840 is a T-shaped groove, and the driving block 830 is engaged with the driving groove 840.

[0068] When core pulling is required, the oil cylinder 810 operates, and the cylinder rod of the oil cylinder 810 retracts. By using the cooperation between the driving block 830 and the driving groove 840, the power is transmitted to the second slider 700, thereby realizing the movement of the second slider 700 along the Z direction.

[0069] In this embodiment, two sets of power assemblies 800 are provided, and the two sets of power assemblies 800 are arranged at intervals along the length direction of the product 010. This arrangement not only enables the core pulling mechanism 020 to have sufficient core pulling power, but also can ensure the synchronism of core pulling at each position along the length direction of the product 010.

[0070] Please continue to refer to Figure 4 , in this embodiment, the second slider 700 is provided with a driving inclined surface 710, and the first slider 100 is provided with a transmission inclined surface 120. Specifically, the transmission inclined surface 120 is attached to the driving inclined surface 710, and the normal directions of both the driving inclined surface 710 and the transmission inclined surface 120 are along the Y direction. The second transmission structure includes a linkage structure 910 and a guiding structure 920. Among them, the linkage structure 910 is arranged between the driving inclined surface 710 and the transmission inclined surface 120 for transmitting the power of the second slider 700 to the first slider 100. The guiding structure 920 is arranged between the first slider 100 and the moving mold 030 for guiding the first slider 100 to move along the Y direction.

[0071] This setting form of the second transmission structure can realize the smooth transmission of power to the first slider 100, and the assembly structure is simple.

[0072] Please continue to refer to Figure 4 , in this embodiment, the linkage structure 910 may include a fixed groove 911, a linkage block 912, and a linkage groove 913. Specifically, the fixed groove 911 is formed on the driving inclined surface 710, the linkage block 912 is installed in the fixed groove 911, and the linkage block 912 is a T-shaped block. The linkage groove 913 is formed on the transmission inclined surface 120, and the linkage groove 913 is a T-shaped groove. Among them, the linkage groove 913 is engaged with the linkage block 912.

[0073] When the second slider 700 moves along the Z direction, the linkage block 912 will slide relative to the linkage groove 913. At the same time, the guiding structure 920 guides the first slider 100 along the Y direction, thereby realizing the movement of the first slider 100 along the Y direction.

[0074] Please continue to refer to Figure 4 , in this embodiment, the guiding structure 920 may include a first guiding component. Specifically, the first guiding component includes a first guiding block 921 and a first guiding groove 922. Among them, the first guiding block 921 is fixedly connected to the moving die 030, and the first guiding groove 922 is opened on the surface of the first slider 100 facing away from the product 010.

[0075] This form of using the first guiding component to guide the first slider 100 has a simple structure and reliable guiding.

[0076] In this embodiment, multiple groups of first guiding components are provided, and the multiple groups of first guiding components are arranged at intervals along the length direction of the product 010.

[0077] Please continue to refer to Figure 4 , in this embodiment, the first guiding groove 922 is in a structural form with one end open and one end closed. Specifically, the upper end of the first guiding groove 922 is open, and the lower end of the first guiding groove 922 is closed, so that the first slider 100 can only move along the Y direction and cannot move along the negative Y direction.

[0078] Figure 9 For Figure 8 the A-A cross-sectional view in Figure 8 . Please continue to refer to Figure 9 , and in combination with

[0079] , in this embodiment, the guiding structure 920 may further include a second guiding component. Specifically, the second guiding component includes a second guiding block 923 and a second guiding groove 924. Among them, the second guiding block 923 is fixedly arranged on the surface of the first slider 100 facing the product 010, and the second guiding groove 924 is relatively fixedly arranged with the moving die 030.

[0080] Please continue to refer to Figure 6 , in this embodiment, an installation position 130 is provided on the surface of the first slider 100 facing the product 010, and the second guiding block 923 is arranged in the installation position 130.

[0081] Figure 10 is a schematic view of a partial structure of the molding die provided by this embodiment Figure 3 . Please continue to refer to Figure 9 , and in combination with Figure 10, in this embodiment, the core-pulling mechanism 020 may further include a mounting block 925, where the mounting block 925 is assembled and connected to the moving mold 030, and the second guide groove 924 is formed in the mounting block 925.

[0082] In this embodiment, multiple groups of second guiding components are provided, and the multiple groups of second guiding components are arranged at intervals along the length direction of the product 010. Correspondingly, the number of mounting positions 130 provided on the first slider 100 is also multiple, and the multiple mounting positions 130 are respectively used to accommodate multiple second guiding blocks 923. At the same time, the number of mounting blocks 925 is also multiple, and each mounting block 925 is provided with a second guide groove 924.

[0083] Please continue to refer to Figure 10 , in this embodiment, a guide rail groove 720 is formed in the lower surface of the second slider 700, and a guide bar 033 is fixedly arranged on the moving mold 030. Among them, the guide bar 033 is slidably matched with the guide rail groove 720 formed in the second slider 700 and is used to guide the movement of the second slider 700.

[0084] Figure 11 is a schematic structural diagram of the molding die provided in this embodiment. In addition, as Figure 11 shown, this embodiment also provides a molding die, including a fixed mold 040, a moving mold 030, and the above-mentioned core-pulling mechanism 020, where the fixed mold 040 faces the moving mold 030, and the core-pulling mechanism 020 is installed on the moving mold 030.

[0085] By providing the above-mentioned core-pulling mechanism 020 in the molding die, correspondingly, the molding die has all the advantages of the above-mentioned core-pulling mechanism 020, which will not be elaborated here one by one.

[0086] In this embodiment, the product 010 may be an air duct of an air conditioner.

[0087] Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be subject to the scope defined by the claims.

[0088] Finally, it should also be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements but also other elements not expressly listed, or elements that are inherent to such process, method, article, or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

[0089] In the above embodiments, the descriptions of orientations such as "upper", "lower", "left", "right", "side", etc. are all based on the figures shown.

[0090] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the broadest scope consistent with the principles and novel features disclosed herein.

Claims

1. A core-pulling mechanism, characterized in that, it includes a first slider (100) and an insert (200). The first slider (100) is movably arranged on the moving mold (030) along the Y direction, and the first slider (100) is used for forming the main body (011) of the product (010); the insert (200) is connected to the first slider (100) through a first transmission structure (300), the insert (200) is used for forming the undercut (012) of the product (010), and the first transmission structure (300) is used to drive the insert (200) to withdraw from the undercut (012) when the first slider (100) moves. Among them, the insert (200) moves along a first direction, and the first direction is a direction inclined from the negative Y direction towards the middle section of the product (010).

2. The core-pulling mechanism according to claim 1, characterized in that, the first transmission structure (300) includes a first chute (320) and a first guide block (310). The first guide block (310) is slidably matched with the first chute (320) along the first direction, and the first guide block (310) and the first chute (320) are mutually limited along the X direction. Among them, one of the first guide block (310) and the first chute (320) is arranged on the first slider (100), and one of the first guide block (310) and the first chute (320) is arranged on the insert (200); the X direction is parallel to the length direction of the product (010).

3. The core-pulling mechanism according to claim 1, characterized in that, the first transmission structure (300) further includes an elastic member (330). The elastic member (330) is pressed between the first slider (100) and the insert (200), and the elastic member (330) is used to make the insert (200) always have a tendency to move along the first direction.

4. The core-pulling mechanism according to claim 3, characterized in that, the core-pulling mechanism further includes a first fixing block (400). The first fixing block (400) is fixedly connected to the first slider (100); the insert (200) is provided with a mounting hole (210), and the axis of the mounting hole (210) extends along the first direction. The elastic member (330) is accommodated in the mounting hole (210), and one end of the elastic member (330) exposed from the mounting hole (210) abuts against the first fixing block (400).

5. The core-pulling mechanism according to claim 1, characterized in that, a limiting structure (500) for limiting the maximum relative movement stroke between the first slider (100) and the insert (200) is arranged between the first slider (100) and the insert (200).

6. The core-pulling mechanism according to claim 5, characterized in that, The first slider (100) is provided with an extension area (110) opposite to the insert (200) along the Z direction. The limiting structure (500) includes a limiting block (510) and a limiting hole (520). Among them, one of the limiting block (510) and the limiting hole (520) is arranged in the extension area (110), and the other of the limiting block (510) and the limiting hole (520) is arranged on the insert (200). The limiting block (510) is inserted into the limiting hole (520), and the limiting block (510) and the limiting hole (520) are slidably matched along the first direction.

7. The core-pulling mechanism according to claim 2, characterized in that, the core-pulling mechanism further includes a second fixing block (600). The second fixing block (600) is fixedly arranged on the moving mold (030). The second fixing block (600) is located on the side of the insert (200), and the second fixing block (600) abuts against the insert (200) along the X direction.

8. The core-pulling mechanism according to any one of claims 1-7, characterized in that, the core-pulling mechanism further includes a second slider (700). The second slider (700) is movably arranged on the moving mold (030) along the Z direction. The second slider (700) is connected to the first slider (100) through a second transmission structure. The second transmission structure is used to drive the first slider (100) to move along the Y direction when the second slider (700) moves along the Z direction.

9. The core-pulling mechanism according to claim 8, characterized in that, the core-pulling mechanism further includes a power assembly (800). The power assembly (800) is drivingly connected to the second slider (700) and is used to drive the second slider (700) to move along the Z direction.

10. The core-pulling mechanism according to claim 8, characterized in that, the second slider (700) is provided with a driving inclined surface (710), and the first slider (100) is provided with a transmission inclined surface (120). The transmission inclined surface (120) is in contact with the driving inclined surface (710), and the normal directions of both the driving inclined surface (710) and the transmission inclined surface (120) are along the Y direction. The second transmission structure includes a linkage structure (910) and a guiding structure (920). Among them, the linkage structure (910) is arranged between the driving inclined surface (710) and the transmission inclined surface (120) and is used to transfer the power of the second slider (700) to the first slider (100). The guiding structure (920) is arranged between the first slider (100) and the moving mold (030) and is used to guide the first slider (100) to move along the Y direction.

11. The core-pulling mechanism according to claim 10, characterized in that, The guiding structure (920) includes a first guiding component, the first guiding component includes a first guiding block (921) and a first guiding groove (922), the first guiding block (921) is fixedly connected to the moving mold (030), and the first guiding groove (922) is formed on a surface of the first slider (100) facing away from the product (010); and / or, the guiding structure (920) includes a second guiding component, the second guiding component includes a second guiding block (923) and a second guiding groove (924), the second guiding block (923) is fixedly arranged on a surface of the first slider (100) facing the product (010), and the second guiding groove (924) is relatively fixedly arranged with respect to the moving mold (030).

12. A molding die, characterized in that it includes a fixed mold (040), a moving mold (030) and the core-pulling mechanism according to any one of claims 1-11, wherein the fixed mold (040) is opposite to the moving mold (030), and the core-pulling mechanism is installed on the moving mold (030).

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