Linkage type locking structure for improving injection mold process

Abstract

The utility model discloses a linkage type locking structure for improving injection mold technology, which comprises a base, the top of the base is provided with an assembling groove, a lower mold is installed inside the base through a fixing assembly, the top of the base enables a lifting plate to slide through a lifting assembly, and the bottom of the lifting plate is provided with an upper mold. Locking mechanisms are arranged on two sides of the top of the base. The utility model relates to the technical field of injection molds. According to the linkage type locking structure for improving the injection mold process, the locking mechanism is arranged, under driving of the lifting assembly, linkage type locking operation of the upper mold and the lower mold is achieved in cooperation with the linkage assembly and the locking assembly, and therefore the stability after the upper mold and the lower mold are assembled is kept; the upper mold and the lower mold are locked more firmly, and it is ensured that mold parting surfaces are tightly attached in the high-pressure injection molding process, so that the injection molding quality of the mold is improved.

Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, specifically to a linkage locking structure for improving injection mold processes. Background Technology

[0002] The reference patent title is: An Injection Mold for Injection Molded Parts (Authorization Announcement No.: CN222223372U, Authorization Announcement Date: 2024.12.24). It includes a base plate, a lower mold fixedly connected to the top of the base plate, a mold groove formed on the top of the lower mold, two fixed pillars symmetrically fixedly connected to the top of the base plate, a top plate fixedly connected to the top of the two fixed pillars, an electric telescopic rod fixedly connected to the top of the top plate, a lifting plate fixedly connected to the driving end of the electric telescopic rod through the top of the top plate, and an upper mold fixedly connected to the bottom of the lifting plate. The lifting assembly includes a lifting plate movably fitted to the bottom of the mold groove, and a lifting mechanism slidably inserted into the bottom of the mold groove fixedly connected to the bottom of the lifting plate. After the injection molded part is formed, the upward movement of the driving end of the electric telescopic rod can automatically move the lifting plate upward, thus ejecting the injection molded part from the lower mold, achieving rapid removal and unloading of the injection molded part and improving work efficiency.

[0003] Based on the above-mentioned documents: In the field of injection molds, the locking effect after mold closing directly affects product quality. However, most traditional injection molds do not have a locking structure. The few injection molds with locking structures have problems with insufficient single-point locking force and poor linkage. Common locking structures are mostly single-point or decentralized locking, which leads to uneven force on the mold parting surface, easily producing flash and burr defects. In addition, multiple locking points need to be operated separately, which is time-consuming and difficult to ensure synchronization, affecting production efficiency. Therefore, this utility model provides a linkage locking structure to improve the injection mold process. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a linkage locking structure to improve the injection mold process, solving the problems of insufficient single-point locking force and poor linkage in the locking methods of most existing injection molds that do not have a locking structure or in the few existing injection molds that do have a locking structure.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an improved linkage locking structure for injection mold processes, comprising a base, an assembly groove on the top of the base, a lower mold mounted inside the base via a fixing assembly, a lifting plate sliding on the top of the base via a lifting assembly, an upper mold mounted on the bottom of the lifting plate, and locking mechanisms on both sides of the top of the base, the locking mechanism comprising:

[0006] The locking assembly includes locking plates mounted on both sides of the top of the base. A guide ring is mounted on the top of the locking plate. A limiting seat is fixedly connected to the bottom of the inner cavity of the locking plate. A symmetrical locking rod is slidably connected inside the limiting seat. A locking block is fixedly connected to one end of the locking rod. A locking spring is fixedly connected to one side of the locking block. One end of the locking spring is fixedly connected to the surface of the limiting seat. The other end of the locking rod is rotatably connected to the limiting block.

[0007] The linkage component is located at the bottom of the lifting platform.

[0008] Preferably, the linkage assembly includes a linkage rod installed at the bottom of the lifting plate, a linkage block is fixedly connected to the bottom end of the linkage rod, the surface of the linkage block is slidably connected to the surface of the guide ring, and the surface of the linkage block is engaged with the surface of the locking block.

[0009] Preferably, symmetrical connecting blocks are fixedly connected to both sides of the locking plate, the interior of the connecting block is slidably connected to the surface of the locking rod, and the interior of the connecting block is slidably connected to the surface of the limiting block.

[0010] Preferably, the lifting assembly includes a support rod installed on the top of the base, a support plate is fixedly connected to the top of the support rod, a lifting cylinder is fixedly connected to the top of the support plate, and the bottom of the lifting cylinder is fixedly connected to the top of the lifting plate through a piston rod.

[0011] Preferably, the fixing assembly includes a bidirectional lead screw rotatably installed inside the base, a movable plate is threadedly connected to the surface of the bidirectional lead screw, a positioning rod is slidably connected inside the movable plate, both ends of the positioning rod are fixedly connected to the inner wall of the base, a fixing block is fixedly connected to one side of the movable plate, and the surface of the fixing block is slidably connected to the inside of the base.

[0012] Preferably, an assembly block is fixedly connected to the bottom of the lower mold, the surface of the assembly block is slidably connected to the inner surface of the assembly groove, and a fixing groove is formed on the surface of the assembly block, the inner surface of the fixing groove is slidably connected to the surface of the fixing block.

[0013] Beneficial effects

[0014] This invention provides a linkage locking structure to improve the injection mold process. Compared with the prior art, it has the following advantages:

[0015] 1. This linkage locking structure improves the injection mold process. By setting up a locking mechanism, the upper mold and lower mold are linked and locked together by the lifting component and the linkage component. This maintains the stability of the upper and lower molds after assembly, making the upper and lower molds more firmly locked. This ensures that the mold parting surface fits tightly during high-pressure injection molding, thereby improving the injection quality of the mold.

[0016] 2. This improved injection mold process features a linkage locking structure. By rotating the control block at one end of the bidirectional lead screw, the moving plates on both sides slide synchronously to opposite sides. This causes the moving plates to slide on the surface of the positioning rod, and the sliding of the moving plates causes the fixing blocks to slide synchronously, allowing the fixing blocks to slide into the fixing grooves opened on the surface of the assembly block. This enables the rapid installation and locking of the lower mold. By setting up fixing components and rotating the bidirectional lead screw, multiple sets of fixing blocks and fixing grooves can be quickly assembled and disassembled. This allows for rapid installation and disassembly of the lower mold, facilitating maintenance and replacement, and improving work efficiency. Attached Figure Description

[0017] Figure 1 This is a three-dimensional schematic diagram of the external structure of this utility model;

[0018] Figure 2 This is a three-dimensional structural diagram of the locking assembly of this utility model in the locked state;

[0019] Figure 3 This is a three-dimensional schematic diagram of the upper and lower molds of this utility model in the closed state;

[0020] Figure 4 This is a three-dimensional structural diagram of the locking component of this utility model in the unlocked state;

[0021] Figure 5 This is a schematic diagram of the internal structure of the base of this utility model.

[0022] In the diagram: 1-base, 2-assembly slot, 3-fixed component, 31-double-acting screw, 32-moving plate, 33-positioning rod, 34-fixed block, 4-lower mold, 5-lifting component, 51-support rod, 52-support plate, 53-lifting cylinder, 6-lifting plate, 7-upper mold, 8-locking mechanism, 81-locking component, 811-locking plate, 812-guide ring, 813-limit seat, 814-locking rod, 815-locking block, 816-locking spring, 817-limit block, 82-linkage component, 821-linkage rod, 822-linkage block, 9-connecting block, 10-assembly block, 11-fixed slot. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-5 This utility model provides a technical solution:

[0025] An improved linkage locking structure for injection mold processes includes a base 1, with an assembly groove 2 on the top of the base 1. A lower mold 4 is installed inside the base 1 via a fixing component 3. A lifting plate 6 slides on the top of the base 1 via a lifting component 5. An upper mold 7 is installed at the bottom of the lifting plate 6. Locking mechanisms 8 are provided on both sides of the top of the base 1. The locking mechanism 8 includes:

[0026] The locking assembly 81 includes locking plates 811 installed on both sides of the top of the base 1. A guide ring 812 is installed on the top of the locking plate 811. A limiting seat 813 is fixedly connected to the bottom of the inner cavity of the locking plate 811. A symmetrical locking rod 814 is slidably connected inside the limiting seat 813. A locking block 815 is fixedly connected to one end of the locking rod 814. A locking spring 816 is fixedly connected to one side of the locking block 815. One end of the locking spring 816 is fixedly connected to the surface of the limiting seat 813. The other end of the locking rod 814 is rotatably connected to the limiting block 817.

[0027] Linkage component 82 is located at the bottom of lifting plate 6.

[0028] Guide ring 812 is used to guide the sliding of linkage block 822;

[0029] The bottom of the inner cavity of the limiting seat 813 is provided with a limiting groove for the locking block 815 to slide.

[0030] In this embodiment, the linkage assembly 82 includes a linkage rod 821 installed at the bottom of the lifting plate 6. A linkage block 822 is fixedly connected to the bottom end of the linkage rod 821. The surface of the linkage block 822 is slidably connected to the surface of the guide ring 812. The surface of the linkage block 822 is engaged with the surface of the locking block 815.

[0031] In this embodiment, symmetrical connecting blocks 9 are fixedly connected to both sides of the locking plate 811. The interior of the connecting block 9 is slidably connected to the surface of the locking rod 814, and the interior of the connecting block 9 is slidably connected to the surface of the limiting block 817.

[0032] The connecting block 9 has a groove inside that allows the limiting block 817 to slide and is adapted to it.

[0033] In this embodiment, the lifting assembly 5 includes a support rod 51 installed on the top of the base 1. A support plate 52 is fixedly connected to the top of the support rod 51, and a lifting cylinder 53 is fixedly connected to the top of the support plate 52. The bottom of the lifting cylinder 53 is fixedly connected to the top of the lifting plate 6 through a piston rod.

[0034] The lifting cylinder 53 is connected to an external air source via an air pipe;

[0035] The two sides of the lifting plate 6 slide against the surface of the support rod 51 via the lifting block.

[0036] With the locking mechanism 8 in place, the upper mold 7 and the lower mold 4 are locked together by the linkage component 82 and the locking component 81 under the drive of the lifting component 5. This maintains the stability of the upper mold 7 and the lower mold 4 after assembly, making the upper mold 7 and the lower mold 4 more firmly locked, ensuring that the mold parting surface fits tightly during high-pressure injection molding, thereby improving the injection molding quality of the mold.

[0037] In this embodiment, the fixing component 3 includes a bidirectional lead screw 31 rotatably installed inside the base 1. A movable plate 32 is threadedly connected to the surface of the bidirectional lead screw 31. A positioning rod 33 is slidably connected inside the movable plate 32. Both ends of the positioning rod 33 are fixedly connected to the inner wall of the base 1. A fixing block 34 is fixedly connected to one side of the movable plate 32. The surface of the fixing block 34 is slidably connected to the inside of the base 1.

[0038] One end of the bidirectional lead screw 31 extends through to the outside of the base 1 and is fixedly connected to a control block;

[0039] The positioning rod 33 is used to slide and limit the movement of the movable plate 32.

[0040] In this embodiment, an assembly block 10 is fixedly connected to the bottom of the lower mold 4. The surface of the assembly block 10 is slidably connected to the inner surface of the assembly groove 2. A fixing groove 11 is provided on the surface of the assembly block 10. The inner surface of the fixing groove 11 is slidably connected to the surface of the fixing block 34.

[0041] By setting a fixing component 3 and rotating the bidirectional lead screw 31, multiple sets of fixing blocks 34 and fixing grooves 11 can be quickly assembled and disassembled, thereby enabling the rapid installation and disassembly of the lower mold 4, facilitating maintenance and replacement, and improving work efficiency.

[0042] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0043] Before operation, the upper mold 7 is first installed at the bottom of the lifting plate 6 using bolts. The assembly block 10 at the bottom of the lower mold 4 is placed in the assembly groove 2. Then, by rotating the control block at one end of the double-acting screw 31, the moving plates 32 on both sides slide synchronously to opposite sides, causing the moving plates 32 to slide on the surface of the positioning rod 33. The sliding of the moving plates 32 will drive the fixing block 34 to slide synchronously, causing the fixing block 34 to slide into the fixing groove 11 opened on the surface of the assembly block 10, thereby achieving quick installation and locking of the lower mold 4. Subsequently, by activating the lifting cylinder 53, the lifting plate 6, the upper mold 7, and the linkage assembly 82 are driven to slide synchronously downward, causing the lifting plate 6 to slide on the surface of the support rod 51. As the lifting plate 6, the upper mold 7, and the linkage assembly 82 slide, the linkage rod 821 will pass through the guide ring 812 and insert into the locking plate 811. At this time, the linkage block 822 at the bottom of the linkage rod 821 will press the locking blocks 815 on both sides, causing the locking rods 815 on both sides to lock. 4. The positioning block slides synchronously to the opposite side, compressing the locking spring 816. When the upper mold 7 and the lower mold 4 are closed, the linkage block 822 slides to the slots on the opposite sides of the locking blocks 815. At this time, the locking spring 816 begins to reset, causing the locking rods 814 and the locking blocks 815 on both sides to slide synchronously to the opposite side. This allows the locking blocks 815 to fully fit against the surfaces of the linkage rods 821 and the linkage block 822, while the upper surface of the linkage block 822 will then... The slots on opposite sides of the locking blocks 815 on both sides remain engaged, locking the upper mold 7 and the lower mold 4. During demolding, first pull the limit blocks 817 on both sides to make the limit blocks 817 slide out of the connecting block 9. During this process, the locking rod 814 and the locking block 815 will slide synchronously, causing the locking rod 814 and the locking block 815 to separate from the surface of the linkage block 822. Then rotate the limit block 817 to make it fit against the outer surface of the connecting block 9. After that, the demolding operation can be achieved.

[0044] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0045] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An improved linkage locking structure for injection mold processes, comprising a base (1), characterized in that: The top of the base (1) is provided with an assembly groove (2), and the lower mold (4) is installed inside the base (1) by a fixing component (3). The top of the base (1) is provided with a lifting component (5) to allow the lifting plate (6) to slide. The bottom of the lifting plate (6) is provided with an upper mold (7). The top of the base (1) is provided with locking mechanisms (8) on both sides. The locking mechanisms (8) include: The locking assembly (81) includes locking plates (811) installed on both sides of the top of the base (1). A guide ring (812) is installed on the top of the locking plate (811). A limiting seat (813) is fixedly connected to the bottom of the inner cavity of the locking plate (811). A symmetrical locking rod (814) is slidably connected inside the limiting seat (813). A locking block (815) is fixedly connected to one end of the locking rod (814). A locking spring (816) is fixedly connected to one side of the locking block (815). One end of the locking spring (816) is fixedly connected to the surface of the limiting seat (813). The other end of the locking rod (814) is rotatably connected to a limiting block (817). The linkage component (82) is located at the bottom of the lifting plate (6).

2. The linkage locking structure for improving injection mold processing according to claim 1, characterized in that: The linkage assembly (82) includes a linkage rod (821) installed at the bottom of the lifting plate (6). The bottom end of the linkage rod (821) is fixedly connected to a linkage block (822). The surface of the linkage block (822) is slidably connected to the surface of the guide ring (812). The surface of the linkage block (822) is engaged with the surface of the locking block (815).

3. The linkage locking structure for improving injection mold processing according to claim 1, characterized in that: The locking plate (811) is fixedly connected to two symmetrical connecting blocks (9) on both sides. The interior of the connecting block (9) is slidably connected to the surface of the locking rod (814), and the interior of the connecting block (9) is slidably connected to the surface of the limiting block (817).

4. The linkage locking structure for improving injection mold processing according to claim 1, characterized in that: The lifting assembly (5) includes a support rod (51) installed on the top of the base (1). The top of the support rod (51) is fixedly connected to a support plate (52). The top of the support plate (52) is fixedly connected to a lifting cylinder (53). The bottom of the lifting cylinder (53) is fixedly connected to the top of the lifting plate (6) through a piston rod.

5. The linkage locking structure for improving injection mold processing according to claim 1, characterized in that: The fixing assembly (3) includes a bidirectional lead screw (31) rotatably installed inside the base (1). A movable plate (32) is threadedly connected to the surface of the bidirectional lead screw (31). A positioning rod (33) is slidably connected inside the movable plate (32). Both ends of the positioning rod (33) are fixedly connected to the inner wall of the base (1). A fixing block (34) is fixedly connected to one side of the movable plate (32). The surface of the fixing block (34) is slidably connected to the inside of the base (1).

6. The linkage locking structure for improving injection mold processing according to claim 5, characterized in that: The bottom of the lower mold (4) is fixedly connected to an assembly block (10). The surface of the assembly block (10) is slidably connected to the inner surface of the assembly groove (2). A fixing groove (11) is opened on the surface of the assembly block (10). The inner surface of the fixing groove (11) is slidably connected to the surface of the fixing block (34).

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