Oil cylinder core-pulling mold combining mechanical locking with oil cylinder locking

Abstract

The utility model discloses an oil cylinder core-pulling mold combining mechanical locking with oil cylinder locking, which relates to the technical field of injection molds, and adopts the technical scheme that the oil cylinder core-pulling mold comprises a fixed mold and a movable mold, the movable mold is provided with a core-pulling structure, and the core-pulling structure comprises a pulling core which is a profiling structure corresponding to a core-pulling area of a product; the loose core is in sliding connection with the movable mold and the movable mold core corresponding to the loose core; the loose core driving piece can drive the loose core to be inserted into or separated from the loose core area; the core-pulling driving piece is linked with the pulling core through the core-pulling connecting piece; and the locking structure can be used for locking the core-pulling connecting piece. The oil cylinder core-pulling mold has the beneficial effects that the core-pulling driving piece of the oil cylinder core-pulling mold combining mechanical locking and oil cylinder locking can lock the core-pulling position, and on the basis, the locking block in the locking structure is linked with the movable mold, so that the core-pulling connecting piece can be reliably locked after the core is pulled in place; therefore, the stability of the mold in injection molding circulation is ensured, and the product rejection rate caused by instability of the mold is reduced.

Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, specifically to a hydraulic cylinder core-pulling mold with mechanical locking combined with hydraulic cylinder locking. Background Technology

[0002] In the field of injection mold technology, products are becoming increasingly complex and diverse, leading to a wide variety of mold structures. Among these, hydraulic cylinder core-pulling technology is extremely common. The locking methods for hydraulic cylinder core-pulling can generally be categorized into two types:

[0003] (1) Direct locking with hydraulic cylinder has obvious limitations and is only suitable for core-pulling scenarios with relatively small molding areas. When facing core-pulling requirements with larger molding areas, this method is difficult to provide sufficient locking force and cannot ensure the stability and accuracy of the core-pulling process, thus seriously affecting the molding quality of the product.

[0004] (2) In addition to the existing hydraulic cylinder locking mechanism, an additional hydraulic cylinder is added to laterally lock the core-pulling mechanism. This locking method uses two hydraulic cylinders working in tandem, but requires staged operation. In actual operation, the locking cylinder must be retracted first, and then the core-pulling cylinder can be retracted to release the product's undercut. As a result, the number of steps in the entire molding process increases, leading to a significant increase in molding time. This not only reduces production efficiency but also increases production costs to some extent, which is not conducive to large-scale, high-efficiency production operations. Utility Model Content

[0005] To address one of the shortcomings of existing technologies, this utility model provides a hydraulic cylinder core-pulling mold with mechanical locking combined with hydraulic cylinder locking, thus solving the locking problem of core-pulling molds.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a hydraulic cylinder core-pulling mold for mechanical locking combined with a hydraulic cylinder, comprising a fixed mold and a moving mold, wherein a moving mold core is provided inside the moving mold, the moving mold can be close to or away from the fixed mold, and the moving mold is provided with a core-pulling structure, the core-pulling structure comprising:

[0007] The core-pulling mechanism is a contoured structure for the core-pulling area of ​​the corresponding product; the core-pulling mechanism is slidably connected to the moving mold and the moving mold core.

[0008] The core-pulling drive is the power source for the core-pulling movement. The core-pulling drive can drive the core to be inserted into or detached from the core-pulling area.

[0009] A core-pulling connector is disposed between the core-pulling drive component and the core-pulling component, wherein the core-pulling drive component is linked with the core-pulling component through the core-pulling connector.

[0010] Also includes:

[0011] The locking structure includes a locking block, which is linked with the moving mold to lock the core-pulling connector.

[0012] Preferably, it also includes:

[0013] The first slide groove is formed inside the moving mold and the moving mold core. The core pulling and the core pulling connector are slidably connected to the first slide groove. The first slide groove is inclined, with its upper end facing the product and its lower end facing the moving mold away from the fixed mold.

[0014] The locking structure can extend to the movement path of the core-pulling connector within the first slide groove.

[0015] Preferably, the core-pulling structure further includes:

[0016] A drive component mounting base is fixedly installed at the end of the first chute furthest from the product.

[0017] The core-pulling drive component is a hydraulic cylinder, and the core-pulling drive component and the drive component fixing seat are fixedly connected.

[0018] Preferably, the movable end of the core-pulling drive component and the core-pulling connector are connected by a snap-fit ​​structure, the snap-fit ​​structure comprising:

[0019] The snap-fit ​​block has one end fixedly connected to the movable end of the core-pulling drive component, and the other end fixedly fitted with a snap-fit ​​plate.

[0020] A snap-fit ​​groove is formed on the core-pulling connector, and the shape of the snap-fit ​​groove corresponds to the snap-fit ​​block; the snap-fit ​​groove forms an opening on the side wall of the core-pulling connector, and the snap-fit ​​block can be inserted through the opening on the side wall of the core-pulling connector.

[0021] Preferably, the direction in which the mold faces the product is considered the inner direction, and the direction in which the mold faces outward is considered the outer direction.

[0022] The snap-fit ​​block is a "T" shaped block; the snap-fit ​​groove is opened on the inner side of the core-pulling connector facing the first sliding groove.

[0023] Preferably, the locking structure further includes:

[0024] A second slide groove is formed on the moving mold, and the locking block and the second slide groove are slidably connected; the sliding direction of the locking block in the second slide groove intersects with the moving path direction of the core-pulling connector;

[0025] The direction of motion of the moving mold when it opens or closes is taken as direction A, and the sliding direction of the locking block is taken as direction B. Direction A and direction B are perpendicular.

[0026] Preferably, the locking structure further includes:

[0027] The locking drive component is a rod, and one end of the locking drive component is fixedly connected to the fixed mold.

[0028] A locking linkage groove is formed on the block of the locking block, and the locking drive can be inserted into the locking linkage groove and slidably connected with the locking linkage groove.

[0029] Preferably, the locking drive includes:

[0030] The straight rod portion is located close to the fixed mold and is fixedly connected to the fixed mold via a connector. The length direction of the straight rod portion is parallel to the opening or closing direction of the moving mold.

[0031] The inclined rod portion is located at the end of the straight rod portion facing the moving mold, and the inclined rod portion can be inserted into the locking linkage groove; the inclined rod portion is a square rod.

[0032] A plug-in portion is provided at the end of the inclined rod portion away from the straight rod portion; the extending direction of the plug-in portion is parallel to the length direction of the straight rod portion.

[0033] The moving mold has a slot corresponding to the insertion part;

[0034] In the closed mold state, the outer and inner sides of the inclined rod are respectively in contact with the two opposing inner sidewalls of the locking linkage groove, and the plug-in part is inserted into the slot of the moving mold.

[0035] Preferably, the core-pulling connector is provided with a first locking part at one end facing the core-pulling drive member. The first locking part is an inclined structure, with the high horizontal end of the inclined surface facing the outer direction of the fixed mold and the low horizontal end facing the inner direction of the moving mold.

[0036] The locking block is generally an "L"-shaped block, with its lower part extending towards the inside of the moving mold; the locking block includes:

[0037] The second locking part is located at the bottom inner end of the locking block, and the upper surface of the second locking part is an inclined surface corresponding to the core-pulling drive component; the second locking part has a groove corresponding to the movable rod of the core-pulling drive component.

[0038] Preferably, it also includes:

[0039] The first limiting member is disposed on the outer side of the locking block. The first limiting member is fixedly connected to the moving mold or external structure. The first limiting member can limit the movement distance of the locking block in the outward direction.

[0040] The second limiting member is fixedly connected to the moving mold. The second limiting member is disposed on the upper side of the locking block, and the lower surface of the second limiting member is in contact with the upper surface of the locking block. A through groove is provided on the block of the second limiting member so that the locking drive member can pass through.

[0041] Compared with existing technologies, this solution offers the following advantages: The mechanical locking combined with hydraulic cylinder locking in this solution allows the core-pulling drive component of the hydraulic cylinder core-pulling mold to lock the core-pulling position. Furthermore, the locking block in the locking structure works in conjunction with the moving mold, reliably locking the core-pulling connector after the core is in place. This prevents displacement of the core during injection molding due to external forces such as melt pressure, ensuring mold stability during the injection cycle and reducing product scrap rates caused by mold instability. This solution eliminates redundant structures, reduces unnecessary mold opening actions, shortens the molding cycle, and reduces injection molding costs. It cleverly utilizes the mold closing action of the injection molding machine to achieve the mechanical locking design, resulting in a more robust and reliable locking method. This solution combines hydraulic cylinder locking and mechanical locking in synergistic operation, reducing the need for complex control systems. This not only lowers mold manufacturing costs but also improves mold reliability, reduces maintenance frequency and costs, bringing significant economic benefits and market competitiveness to enterprises. Attached Figure Description

[0042] Figure 1 This is a schematic diagram of the product structure according to an embodiment of this application;

[0043] Figure 2 This is a schematic diagram of the overall structure of the mold according to an embodiment of this application;

[0044] Figure 3 This is a top view of the mold according to an embodiment of this application;

[0045] Figure 4 for Figure 3 AA cross-section view;

[0046] Figure 5 for Figure 4 A magnified view of part A;

[0047] Figure 6 This is a schematic diagram illustrating the hidden fixed and moving mold states in an embodiment of this application. Figure 1 ;

[0048] Figure 7 This is a schematic diagram illustrating the hidden fixed and moving mold states in an embodiment of this application. Figure 2 ;

[0049] Figure 8 This is a schematic diagram showing the hidden fixed mold, moving mold, and moving mold core states in an embodiment of this application;

[0050] Figure 9 This is a schematic diagram of the locking drive component structure according to an embodiment of this application.

[0051] In the picture:

[0052] 100. Product; 101. Core-pulling area;

[0053] 1. Fixed mold; 2. Moving mold; 21. Second slide groove; 3. Moving mold core; 4. Core pulling structure; 41. Core pulling; 42. Core pulling drive component; 43. Core pulling connector; 44. Drive component fixing seat; 45. Snap-fit ​​block; 46. Snap-fit ​​groove; 5. Locking structure; 51. Locking block; 52. Locking drive component; 521. Straight rod part; 522. Diagonal rod part; 523. Insertion part; 53. First limiting component; 54. Second limiting component; 6. First slide groove. Detailed Implementation

[0054] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0055] Please see Figures 1-8 This application provides the following technical solutions:

[0056] A hydraulic cylinder core-pulling mold with mechanical locking and combined hydraulic cylinder locking includes a fixed mold 1 and a moving mold 2. The moving mold 2 has a moving mold core 3 inside. The moving mold 2 can move closer to or further away from the fixed mold 1. The mold is used for injection molding structures similar to product 100, which has a core-pulling area 101. Corresponding to the core-pulling area 101 of product 100, the moving mold 2 is provided with a core-pulling structure 4, which includes a core puller 41, a core-pulling drive component 42, and a core-pulling connector 43. The core puller 41 is a contoured structure corresponding to the core-pulling area 101 of product 100. The core-pulling drive component 42 is the power source for the movement of the core puller 41. The core-pulling drive component 42 can drive the core puller 41 to insert into or detach from the core-pulling area 101. A core-pulling connector 43 is provided between the core-pulling drive component 42 and the core puller 41, and the core-pulling drive component 42 is linked to the core puller 41 through the core-pulling connector 43. The core-pulling component 41 and the core-pulling connector 43 are both slidably connected to the moving mold 2 and the moving mold core 3. In addition, a locking structure 5 is provided to lock the core-pulling connector 43. The locking structure 5 includes a locking block 51, which is linked to the moving mold 2. The locking block 51 abuts against the core-pulling connector 43 to lock the position of the core-pulling component 41.

[0057] The core-pulling drive component 42 is a hydraulic cylinder. Through the structure of this solution, the core-pulling drive component 42 locks the core-pulling component 41 by its own movement. On this basis, the locking block 51, which can be linked with the moving mold 2, limits the movement of the core-pulling component 41, thereby realizing the combined use of mechanical locking and hydraulic cylinder locking, ensuring that the core-pulling component 41 will not have displacement problems during injection molding.

[0058] Based on the above implementation scheme, a first sliding groove 6 is provided inside the moving mold 2 and the moving mold core 3, allowing the core-pulling 41 and the core-pulling connector 43 to slide within the first sliding groove 6. Figure 4 Taking the direction shown as an example, the direction of the mold toward the product 100 is taken as the inner direction, and the direction toward the outside of the mold is taken as the outer direction. The first slide 6 is inclined, with the upper end of the first slide 6 facing the product 100 and the lower end opening toward the moving mold 2 away from the fixed mold 1. The upper end of the first slide 6 is inclined toward the inner direction, and the lower end is inclined toward the outer direction.

[0059] The core-pulling structure 4 also includes a drive member fixing seat 44, which is fixedly disposed at the end of the first slide groove 6 away from the product 100; the core-pulling drive member 42 and the drive member fixing seat 44 are fixedly connected. The locking structure 5 can extend to the moving path of the core-pulling connector 43 in the first slide groove 6.

[0060] With this structure, the core puller 41 and the core puller connector 43 slide inside the first slide groove 6, and the inner wall of the first slide groove 6 is in contact with the outer wall of the core puller connector 43. A wear-resistant plate is detachably connected to the outer side of the core puller connector 43. Figure 4 A wear-resistant plate is provided on the right side of the central core-pulling connector 43.

[0061] Based on the above implementation plan, see Figure 7 and Figure 8 The movable end of the core-pulling drive component 42 and the core-pulling connector 43 are connected by a snap-fit ​​structure, which includes a snap-fit ​​block 45 and a snap-fit ​​groove 46. One end of the snap-fit ​​block 45 is fixedly connected to the movable end of the core-pulling drive component 42, and the other end is fixedly fitted with a snap plate. The snap-fit ​​groove 46 is formed on the core-pulling connector 43, and the shape of the snap-fit ​​groove 46 corresponds to that of the snap-fit ​​block 45. The snap-fit ​​groove 46 forms an opening on the side wall of the core-pulling connector 43, through which the snap-fit ​​block 45 can be inserted.

[0062] The snap-fit ​​block 45 is a T-shaped block with a cylindrical lower part that is threadedly connected to the piston rod of the core-pulling drive component 42. A circular snap-fit ​​plate is located at the upper end of the snap-fit ​​block 45, with an outer diameter larger than the outer diameter of the lower cylindrical part. A snap-fit ​​groove 46 is formed on the inner side of the core-pulling connector 43, facing the first sliding groove 6. The core-pulling connector 43 and the core-pulling component 41 are threadedly connected.

[0063] This structure allows for easy replacement of the core puller 41, and ensures the linkage between the core puller drive component 42 and the core puller connector 43.

[0064] Based on the above implementation scheme, the locking structure 5 further includes a second slide groove formed on the moving mold 2, and the locking block 51 is slidably connected to the second slide groove; the sliding direction of the locking block 51 in the second slide groove intersects with the moving path direction of the core-pulling connector 43. Taking the movement direction of the moving mold 2 when it opens or closes as direction A, and the sliding direction of the locking block 51 as direction B, direction A and direction B are perpendicular.

[0065] by Figure 4 The direction is for illustrative purposes. The mold opening and closing direction is vertical, and the second slide is opened horizontally, meaning that the movement direction of the locking block 51 is horizontal.

[0066] Based on the above implementation plan, see Figures 7 to 9 The locking structure 5 also includes a locking drive component 52, which is a rod. The upper end of the locking drive component 52 is fixedly connected to the fixed mold 1. The locking drive component 52 includes a straight rod portion 521, a slanted rod portion 522, and a plug-in portion 523 arranged sequentially from top to bottom. The straight rod portion 521 is located close to the fixed mold 1 and is fixedly connected to the fixed mold 1 through a connector. The length direction of the straight rod portion is parallel to the opening or closing direction of the moving mold 2. The slanted rod portion 522 is located at the end of the straight rod portion 521 facing the moving mold 2 and can be inserted into the locking linkage groove. Both the straight rod portion 521 and the slanted rod portion 522 are square rods. The plug-in portion 523 is located at the end of the slanted rod portion 522 away from the straight rod portion 521. The extension direction of the plug-in portion 523 is parallel to the length direction of the straight rod portion 521, and the plug-in portion 523 has a frustum structure that is larger at the top and smaller at the bottom. The locking drive component 52 adopts a one-piece molding structure, with the straight rod portion 521, the inclined rod portion 522, and the insertion portion 523 being integrated. A slot is provided on the moving mold 2 corresponding to the insertion portion 523. In the closed mold state, the outer and inner sides of the inclined rod portion 522 are respectively in contact with the two opposing inner sidewalls of the locking linkage groove, and the insertion portion 523 is inserted into the slot of the moving mold 2.

[0067] A locking linkage groove is provided on the locking block 51. The locking linkage groove is an inclined square groove corresponding to the inclined rod portion 522. The locking drive member 52 can be inserted into the locking linkage groove and is slidably connected to the locking linkage groove. The locking linkage groove passes through the locking block 51. In the closed mold state, the inclined rod portion 522 is located in the locking linkage groove, and the insertion portion 523 extends to the lower side of the lower end of the locking block 51.

[0068] With this structure, when the mold is opened, the moving mold 2 moves away from the fixed mold 1. As the locking drive 52 is pulled out, the locking block 51 moves in conjunction with the locking linkage groove and the locking drive 52 to move towards the outside of the moving mold 2. When the mold is closed, the working direction is reversed.

[0069] Based on the above implementation scheme, the core-pulling connector 43 is provided with a first locking part at one end facing the core-pulling drive 42. The first locking part is a slope structure, with the high horizontal end of the slope facing the outer side of the fixed mold 1 and the low horizontal end facing the inner side of the moving mold 2.

[0070] The locking block 51 is an L-shaped block, with the lower part of the locking block 51 extending towards the inner side of the moving mold 2; a second locking part is provided at the inner end of the bottom of the locking block 51, and the upper surface of the second locking part is an inclined surface corresponding to the core pulling drive member 42; the second locking part has a groove corresponding to the movable rod of the core pulling drive member 42.

[0071] like Figure 5 and Figure 7 As shown, in the closed mold state, the second locking part abuts against the lower side of the first locking part, and the movable rod of the core-pulling drive 42 is embedded in the groove, thereby fixing the position of the core-pulling connector 43. This state utilizes the position between the fixed mold 1 and the moving mold 2, and the mechanical linkage between the locking drive 52 and the locking block 51 locks the core-pulling connector 43, preventing the core-pulling 43 from moving.

[0072] Based on the above implementation scheme, this mold is also equipped with a limiting mechanism, which includes a first limiting member 53 and a second limiting member 54. The first limiting member 53 is located on the outer side of the locking block 51 and is fixedly connected to the moving mold 2 or an external structure. The first limiting member 53 is an "L"-shaped block, located at the outer corner of the bottom end of the locking block 51. The first limiting member 53 can limit the movement distance of the locking block 51 in the outward direction.

[0073] The second limiting member 54 is fixedly connected to the moving mold 2. The second limiting member 54 is disposed on the upper side of the locking block 51, and the lower surface of the second limiting member 54 is in contact with the upper surface of the locking block 51. A through groove is provided on the block of the second limiting member 54, through which the locking drive member 52 can pass. The second limiting member 54 limits the upper side of the locking block 52 to ensure that the locking block 51 is translated.

[0074] Based on the above implementation scheme, a wear-resistant structure is provided on the outer side of the locking block 52, which is an array of annular grooves formed on the outer surface of the locking block 52.

[0075] In the description of this application and its embodiments, it should be understood that the terms "top", "bottom", "height", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and 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, and therefore should not be construed as a limitation of this application.

[0076] In this application and its embodiments, unless otherwise expressly specified and limited, the terms "set," "install," "connect," "link," "fix," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0077] In this application and its embodiments, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0078] The foregoing disclosure provides many different embodiments or examples for implementing different structures of this application. To simplify the disclosure, specific examples of components and arrangements are described above. Of course, these are merely examples and are not intended to limit the scope of this application. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this application, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0079] Although preferred embodiments of this application have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of this application.

[0080] Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application. Therefore, if such modifications and variations fall within the scope of the claims of this application and their equivalents, this application also intends to include such modifications and variations.

Claims

1. A hydraulic cylinder core-pulling mold for mechanical locking combined with a hydraulic cylinder, comprising a fixed mold and a moving mold, wherein a moving mold core is disposed inside the moving mold, the moving mold can be close to or away from the fixed mold, and the moving mold is provided with a core-pulling structure, characterized in that, The core-pulling structure includes: The core-pulling mechanism is a contoured structure for the core-pulling area of ​​the corresponding product; the core-pulling mechanism is slidably connected to the moving mold and the moving mold core. The core-pulling drive is the power source for the core-pulling movement. The core-pulling drive can drive the core to be inserted into or detached from the core-pulling area. A core-pulling connector is disposed between the core-pulling drive component and the core-pulling component, wherein the core-pulling drive component is linked with the core-pulling component through the core-pulling connector. Also includes: The locking structure includes a locking block, which is linked with the moving mold to lock the core-pulling connector.

2. The hydraulic cylinder core-pulling mold for mechanical locking combined with hydraulic cylinder locking as described in claim 1, characterized in that, Also includes: The first slide groove is formed inside the moving mold and the moving mold core. The core pulling and the core pulling connector are slidably connected to the first slide groove. The first slide groove is inclined, with its upper end facing the product and its lower end facing the moving mold away from the fixed mold. The locking structure can extend to the movement path of the core-pulling connector within the first slide groove.

3. The hydraulic cylinder core-pulling mold for mechanical locking combined with hydraulic cylinder locking as described in claim 2, characterized in that, The core-pulling structure also includes: A drive component mounting base is fixedly installed at the end of the first chute furthest from the product. The core-pulling drive component is a hydraulic cylinder, and the core-pulling drive component and the drive component fixing seat are fixedly connected.

4. The hydraulic cylinder core-pulling mold for mechanical locking combined with hydraulic cylinder locking as described in claim 3, characterized in that, The movable end of the core-pulling drive component and the core-pulling connector are connected by a snap-fit ​​structure, which includes: The snap-fit ​​block has one end fixedly connected to the movable end of the core-pulling drive component, and the other end fixedly fitted with a snap-fit ​​plate. A snap-fit ​​groove is formed on the core-pulling connector, and the shape of the snap-fit ​​groove corresponds to the snap-fit ​​block; the snap-fit ​​groove forms an opening on the side wall of the core-pulling connector, and the snap-fit ​​block can be inserted through the opening on the side wall of the core-pulling connector.

5. The hydraulic cylinder core-pulling mold for mechanical locking combined with hydraulic cylinder locking as described in claim 4, characterized in that, The direction in which the mold faces the product is considered the inner direction, and the direction in which it faces outwards from the mold is considered the outer direction. The snap-fit ​​block is a "T" shaped block; the snap-fit ​​groove is opened on the inner side of the core-pulling connector facing the first sliding groove.

6. The hydraulic cylinder core-pulling mold for mechanical locking combined with hydraulic cylinder locking as described in claim 5, characterized in that, The locking structure also includes: A second slide groove is formed on the moving mold, and the locking block and the second slide groove are slidably connected; the sliding direction of the locking block in the second slide groove intersects with the moving path direction of the core-pulling connector; The direction of motion of the moving mold when it opens or closes is taken as direction A, and the sliding direction of the locking block is taken as direction B. Direction A and direction B are perpendicular.

7. The hydraulic cylinder core-pulling mold for mechanical locking combined with hydraulic cylinder locking as described in claim 6, characterized in that, The locking structure also includes: The locking drive component is a rod, and one end of the locking drive component is fixedly connected to the fixed mold. A locking linkage groove is formed on the block of the locking block, and the locking drive can be inserted into the locking linkage groove and slidably connected with the locking linkage groove.

8. The hydraulic cylinder core-pulling mold for mechanical locking combined with hydraulic cylinder locking as described in claim 7, characterized in that, The locking drive component includes: The straight rod portion is located close to the fixed mold and is fixedly connected to the fixed mold via a connector. The length direction of the straight rod portion is parallel to the opening or closing direction of the moving mold. The inclined rod portion is located at the end of the straight rod portion facing the moving mold, and the inclined rod portion can be inserted into the locking linkage groove; the inclined rod portion is a square rod. A plug-in portion is provided at the end of the inclined rod portion away from the straight rod portion; the extending direction of the plug-in portion is parallel to the length direction of the straight rod portion. The moving mold has a slot corresponding to the insertion part; In the closed mold state, the outer and inner sides of the inclined rod are respectively in contact with the two opposing inner sidewalls of the locking linkage groove, and the plug-in part is inserted into the slot of the moving mold.

9. The hydraulic cylinder core-pulling mold for mechanical locking combined with hydraulic cylinder locking as described in claim 7, characterized in that, The core-pulling connector is provided with a first locking part at one end facing the core-pulling drive component. The first locking part is a sloped structure, with the high horizontal end of the slope facing the outer side of the fixed mold and the low horizontal end facing the inner side of the moving mold. The locking block is an L-shaped block, with its lower part extending towards the inside of the moving mold; the locking block includes: The second locking part is located at the bottom inner end of the locking block, and the upper surface of the second locking part is an inclined surface corresponding to the core-pulling drive component; the second locking part has a groove corresponding to the movable rod of the core-pulling drive component.

10. The hydraulic cylinder core-pulling mold for mechanical locking combined with hydraulic cylinder locking as described in claim 9, characterized in that, Also includes: The first limiting member is disposed on the outer side of the locking block. The first limiting member is fixedly connected to the moving mold or external structure. The first limiting member can limit the movement distance of the locking block in the outward direction. The second limiting member is fixedly connected to the moving mold. The second limiting member is disposed on the upper side of the locking block, and the lower surface of the second limiting member is in contact with the upper surface of the locking block. A through groove is provided on the block of the second limiting member so that the locking drive member can pass through.

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