Buckle machine structure for controlling mold opening and closing
By simplifying the buckle mechanism structure, the stability of the mold opening and closing process and the reduction of equipment costs are achieved, solving the problems of complex buckle mechanism structure and large space occupation in existing molds.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN XINDA TECHNOLOGY CO LTD
- Filing Date
- 2025-05-14
- Publication Date
- 2026-04-28
AI Technical Summary
The existing mold fastening mechanism has a complex structure, occupies a large space, and has high equipment costs, resulting in instability in the mold opening and closing process.
The machine adopts a compact snap-fit structure design, which drives the separation or bonding of the A and B plates through the panel. The snap-fit components automatically control the locking and unlocking of the A and B plates, simplifying the mold opening and closing process and reducing equipment costs.
It achieves a compact mold opening and closing process with a small footprint, ensuring the stability of mold opening and closing, and reducing equipment production costs.
Smart Images

Figure CN224170396U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of injection mold technology, specifically to a fastening structure for controlling mold opening and closing. Background Technology
[0002] Mold release mechanisms are used to control the mold opening process. They are typically installed outside the mold and are mainly used in molds where core pulling is required before mold opening. Existing mold release mechanisms, in order to control the opening and closing sequence and stabilize the process, typically have multiple sets of opening release mechanisms and closing release mechanisms installed around the mold. These mechanisms usually require a hydraulic cylinder to drive a slider to disengage in one direction, and then another hydraulic cylinder to drive another slider to disengage in the other direction. However, this method not only complicates the mechanism's structure and occupies a large space, but also increases the overall equipment cost of the mold. Utility Model Content
[0003] The purpose of this utility model is to provide a buckle structure for controlling the opening and closing of molds, which has a compact structure, occupies little space, and has a stable mold opening and closing process. At the same time, it also reduces the production cost of the equipment, so as to solve the problems of large space occupation, insufficient compactness and high equipment cost of buckle machines mentioned in the background art.
[0004] To achieve the above objectives, this utility model provides the following technical solution:
[0005] A locking mechanism for controlling the opening and closing of a mold includes a panel, a sprue plate, an A plate, a B plate, a base plate, a limiting rod, and locking components. The lower end of the panel is fixedly connected to the upper end of the sprue plate, the upper end of the A plate is movably connected to the lower end of the sprue plate, the lower end of the A plate is tightly fitted to the upper end of the B plate, the base plate is fixedly connected to the lower end of the B plate, one end of the limiting rod is fixedly connected to the panel, and the other end extends downward into the A plate and the B plate. There are at least two locking components, respectively disposed on both sides of the A plate and the B plate, for locking or unlocking the A plate and the B plate.
[0006] Preferably, the fastening assembly includes a main body, a plug rod, and a slider A. The lower end of the main body is connected to the side wall of plate B, and the upper end of the main body extends upward to the side of plate A. The main body has a groove on its side along the vertical direction. The upper end of the plug rod is connected to the panel, and the lower end of the plug rod is inserted downward into the groove of the main body. One end of the slider A is telescopically mounted on the side wall of plate A, and the other end is engaged with the main body.
[0007] Preferably, the upper side of the main body is provided with a slot, the slots are located on both sides of the slide groove, and the A slider is inserted into the slot.
[0008] Preferably, the lower end of the insert rod protrudes outward to one side to form a pressing part, and the connection between the pressing part and the side of the insert rod forms a first inclined surface. The side of the A slider facing the main body is provided with a second inclined surface that matches the first inclined surface.
[0009] Preferably, the A plate has a first mounting groove on its side, the A slider is slidably disposed in the first mounting groove, the side wall of the first mounting groove has a first receiving groove, the first receiving groove is provided with a first elastic element, and one end of the first elastic element is fixedly connected to the A slider.
[0010] Preferably, the fastening assembly includes a B slider, and a second mounting groove is provided on the side of the A plate. The second mounting groove is located below the first mounting groove, and the B slider is telescopically disposed in the second mounting groove.
[0011] Preferably, the side of slider B is provided with a guide portion protruding into the slide groove, the width of the guide portion being equal to the width of the slide groove. The side wall of the second mounting groove is provided with a second receiving groove, within which a second elastic member is disposed, one end of which is fixedly connected to slider B.
[0012] Preferably, the guide slide is provided with a third inclined surface adapted to the first inclined surface, the bottom wall of the slot is provided with a fourth inclined surface, and the side of the B slider facing the main body is provided with a fifth inclined surface adapted to the fourth inclined surface.
[0013] Preferably, there are four limiting rods, which are distributed at the four corners of the panel, and the A plate has stepped holes for the limiting rods to pass through.
[0014] Preferably, the stepped hole includes a small hole segment and a large hole segment connected to the small hole segment. The diameter of the small hole segment is smaller than the diameter of the large hole segment. A limiting plane is formed at the connection between the small hole segment and the large hole segment. The lower outer circumference of the limiting rod protrudes outward to form an annular protrusion.
[0015] Compared with the prior art, the beneficial effects of this utility model are: by driving the panel to separate or attach the A plate relative to the B plate, the mold opening or closing action is completed. During the mold opening and closing process, the fastening assembly automatically controls the locking and unlocking of the A plate and the B plate. Its structure is compact, occupies little space, helps to reduce equipment costs, and at the same time can ensure the stability of the mold opening and closing process. Attached Figure Description
[0016] Figure 1 This is a perspective view of a buckle structure for controlling the opening and closing of a mold according to the present invention;
[0017] Figure 2 This is a top view of a buckle structure for controlling the opening and closing of a mold according to the present invention;
[0018] Figure 3 for Figure 2 Cross-sectional view of section AA (second mold closing state);
[0019] Figure 4 This is a sectional view of the first mold opening (or first mold closing) of this utility model;
[0020] Figure 5 This is a cross-sectional view of the second mold opening of this utility model;
[0021] Figure 6 This is a perspective view of the buckle assembly of this utility model;
[0022] Figure 7 This is a perspective view of slider A and slider B of this utility model.
[0023] In the diagram: 1. Panel; 2. Sprue plate; 3. A plate; 31. Step hole; 311. Limiting plane; 32. First mounting groove; 33. Second mounting groove; 4. B plate; 5. Base plate; 6. Limiting rod; 61. Ring protrusion; 7. Fastening assembly; 71. Main body; 711. Slide groove; 712. Slot; 713. Fourth inclined surface; 72. Insert rod; 721. Extrusion part; 722. First inclined surface; 73. A slider; 731. Second inclined surface; 74. First elastic element; 75. B slider; 751. Guide slide part; 752. Third inclined surface; 753. Fifth inclined surface; 76. Second elastic element; 8. Guide rod. Detailed Implementation
[0024] 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.
[0025] Please see Figure 1-3A locking mechanism for controlling mold opening and closing includes a panel 1, a sprue plate 2, an A plate 3, a B plate 4, a base plate 5, a limiting rod 6, and locking components 7. The lower end of the panel 1 is fixedly connected to the upper end of the sprue plate 2. The upper end of the A plate 3 is movably connected to the lower end of the sprue plate 2. The lower end of the A plate 3 is tightly fitted to the upper end of the B plate 4. The base plate 5 is fixedly connected to the lower end of the B plate 4. One end of the limiting rod 6 is fixedly connected to the panel 1, and the other end extends downward into the A plate 3 and B plate 4, used to lift the A plate 3 together during mold opening. At least two locking components 7 are respectively disposed on both sides of the A plate 3 and B plate 4, used to lock or unlock the A plate 3 and B plate 4. Panel 1 drives plate A 3 to separate or fit relative to plate B 4, thereby completing the mold opening or closing action. During the mold opening and closing process, the fastening assembly 7 automatically controls the locking and unlocking of plate A 3 and plate B 4. Its structure is compact and occupies little space, which helps to reduce equipment costs and ensures the stability of the mold opening and closing process.
[0026] In this embodiment, guide rods 8 that pass downward through the sprue plate 2 are fixedly connected to the four corners of the bottom of the panel 1. The A plate 3, B plate 4 and the bottom plate 5 are all slidably mounted on the guide rods 8. The guide rods 8 serve to guide the sliding so that the A plate 3 and B plate 4 can accurately open and close the mold.
[0027] Please see Figure 1-3 There are four limit levers 6, located at the four corners of panel 1. Please refer to [link / reference]. Figure 3 Plate A 3 has a stepped hole 31 through which the limiting rod 6 passes. The stepped hole 31 includes a small hole section and a large hole section connected to the small hole section. The diameter of the small hole section is smaller than the diameter of the large hole section. The connection between the small hole section and the large hole section forms a limiting plane 311. The lower outer circumference of the limiting rod 6 protrudes outward to form an annular protrusion 61. Plate B 4 has a guide hole corresponding to the stepped hole 31 for the limiting rod 6 to pass through.
[0028] In this embodiment, the diameter of the small hole segment is the same as the diameter of the limiting pull rod 6, the diameter of the large hole segment is the same as the diameter of the guide hole, and the diameter of the annular protrusion 61 is greater than the diameter of the small hole segment.
[0029] Please see Figure 4 When panel 1 moves the limiting rod 6 upward to open the mold for the first time, when the lower end of the limiting rod 6 rises to the limit position inside the step hole 31, the annular protrusion 61 just abuts against the limiting plane 311 of the step hole 31. At this time, the locking assembly 7 opens the lock between plate A 3 and plate B 4, and the limiting rod 6 can drive plate A 3 to rise together, thereby opening plate A 3 and plate B 4 and completing the second mold opening.
[0030] Please see Figure 3 as well as Figure 6The fastening assembly 7 includes a main body 71, a insert rod 72, and an A-slider 73. The lower end of the main body 71 is connected to the side wall of the B plate 4, and the upper end of the main body 71 extends upward to the side of the A plate 3. The main body 71 has a sliding groove 711 on its side along the vertical direction. The upper end of the insert rod 72 is connected to the panel 1, and the lower end of the insert rod 72 is inserted downward into the sliding groove 711 of the main body 71. One end of the A-slider 73 is telescopically mounted on the side wall of the A plate 3, and the other end is engaged with the main body 71.
[0031] A slot 712 is provided on the upper side of the main body 71, and the slot 712 is located on both sides of the slide groove 711. The A slider 73 is inserted into the slot 712. The lower end of the insertion rod 72 protrudes outward to one side to form a pressing part 721. The connection between the pressing part 721 and the side of the insertion rod 72 forms a first inclined surface 722. The side of the A slider 73 facing the main body 71 is provided with a second inclined surface 731 that matches the first inclined surface 722. When the insertion rod 72 moves upward with the panel 1, the first inclined surface 722 of the pressing part 721 presses the A slider 73 backward, realizing quick unlocking.
[0032] Please see Figure 3 A first mounting groove 32 is provided on the side of plate A 3, and the A slider 73 is slidably disposed in the first mounting groove 32. A first receiving groove is provided on the side wall of the first mounting groove 32, and a first elastic member 74 is provided in the first receiving groove. One end of the first elastic member 74 is fixedly connected to the A slider 73. Under the action of the first elastic member 74, the A slider 73 pops out of the first mounting groove 32 so that the slider abuts into the slot 712 of the main body 71, thereby completing the locking of plate A 3 and plate B 4.
[0033] Please see Figure 3 as well as Figure 6 The fastening assembly 7 includes a B slider 75. A second mounting groove 33 is provided on the side of the A plate 3, located below the first mounting groove 32. The B slider 75 is telescopically disposed within the second mounting groove 33. (See also...) Figure 7 The B slider 75 has a guide portion 751 protruding into the slide groove 711 on its side, and the width of the guide portion 751 is equal to the width of the slide groove 711. The second mounting groove 33 has a second receiving groove on its side wall, and a second elastic member 76 is disposed within the second receiving groove. One end of the second elastic member 76 is fixedly connected to the B slider 75. Under the action of the second elastic member 76, the B slider 75 pops outward relative to the A plate 3 from the second mounting groove 33. In this embodiment, both the first elastic member 74 and the second elastic member 76 are helical springs.
[0034] Please refer to Figure 6-7The guide slide 751 is provided with a third inclined surface 752 that is adapted to the first inclined surface 722, the bottom wall of the slot 712 is provided with a fourth inclined surface 713, and the side of the B slider 75 facing the main body 71 is provided with a fifth inclined surface 753 that is adapted to the fourth inclined surface 713.
[0035] The working principle of the buckle structure for controlling the opening and closing of the mold according to this utility model is as follows:
[0036] Please see Figure 4 During the first mold opening, the insert rod 72 rises along with the panel 1 and the sprue plate 2. When the lower end of the insert rod 72 reaches the position of slider A 73, the insert rod 72 continues to rise, contacting the second inclined surface 731 of slider A 73 through the first inclined surface 722 of the extrusion part 721. The insert rod 72 pushes slider A 73 back into the first mounting groove 32 of plate A 3 until slider A 73 disengages from the slot 712 of the main body 71. At this time, plate A 3 and plate B 4 can be opened. Please refer to [link to relevant documentation]. Figure 5 During the second mold opening, panel 1 and sprue plate 2 continue to rise, and through the limit rod 6, they drive plate A 3 to rise, ultimately separating plate A 3 from plate B 4. At this point, slider B 75 pops out at the bottom of insert rod 72, completing the mold opening action. The function of the latching assembly 7 during mold opening is to open the control panel 1 and plate A 3 first, and then open plate A 3 and plate B 4; please refer to Figure 4 During the first mold closing, the insert rod 72 and plate A 3 descend with the panel 1. After plate A 3 and plate B 4 are in contact, they come into contact with the fifth inclined plane 753 through the fourth inclined plane 713. The slide B 75 is compressed back into the second mounting groove 33, allowing the insert rod 72 to continue descending. During the second mold closing, the insert rod 72 continues to descend, and the slide A 73, no longer restricted by the extrusion part 721, pops out and gets stuck in the slot 712 of the main body 71. At this time, plate A 3 and plate B 4 cannot be opened. When the panel 1 and the sprue plate 2 descend to fully contact plate A 3, the mold closing action is completed. Figure 3 As shown, the function of the fastening assembly 7 during mold closing is to first control the mold closing between plate A 3 and plate B 4, and then close panel 1 and plate A 3.
[0037] 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. A fastening mechanism for controlling mold opening and closing, characterized in that: The assembly includes a panel (1), a sprue plate (2), an A plate (3), a B plate (4), a base plate (5), a limiting rod (6), and a fastening assembly (7). The lower end of the panel (1) is fixedly connected to the upper end of the sprue plate (2). The upper end of the A plate (3) is movably connected to the lower end of the sprue plate (2). The lower end of the A plate (3) is tightly fitted to the upper end of the B plate (4). The base plate (5) is fixedly connected to the lower end of the B plate (4). One end of the limiting rod (6) is fixedly connected to the panel (1), and the other end extends downward into the A plate (3) and the B plate (4). There are at least two fastening assemblies (7), which are respectively arranged on both sides of the A plate (3) and the B plate (4).
2. The fastening structure for controlling mold opening and closing according to claim 1, characterized in that: The fastening assembly (7) includes a main body (71), a plug rod (72), and an A slider (73). The lower end of the main body (71) is connected to the side wall of the B plate (4), and the upper end of the main body (71) extends upward to the side of the A plate (3). The main body (71) has a groove (711) on its side along the vertical direction. The upper end of the plug rod (72) is connected to the panel (1), and the lower end of the plug rod (72) is inserted downward into the groove (711) of the main body (71). One end of the A slider (73) is telescopically set on the side wall of the A plate (3), and the other end is inserted into the main body (71).
3. The fastening structure for controlling mold opening and closing according to claim 2, characterized in that: The upper side of the main body (71) is provided with a slot (712), the slot (712) is located on both sides of the slide groove (711), and the A slider (73) is inserted into the slot (712).
4. The fastening structure for controlling mold opening and closing according to claim 2, characterized in that: The lower end of the insert (72) protrudes outward to one side to form a pressing part (721). The pressing part (721) and the side of the insert (72) form a first inclined surface (722). The side of the A slider (73) facing the main body (71) is provided with a second inclined surface (731) that matches the first inclined surface (722).
5. The fastening structure for controlling mold opening and closing according to claim 2, characterized in that: The A plate (3) has a first mounting groove (32) on its side. The A slider (73) is slidably disposed in the first mounting groove (32). The first mounting groove (32) has a first receiving groove on its side wall. A first elastic element (74) is disposed in the first receiving groove. One end of the first elastic element (74) is fixedly connected to the A slider (73).
6. The fastening structure for controlling mold opening and closing according to claim 3, characterized in that: The fastening assembly (7) includes a B slider (75), and a second mounting groove (33) is provided on the side of the A plate (3). The second mounting groove (33) is located below the first mounting groove (32), and the B slider (75) is telescopically disposed in the second mounting groove (33).
7. The fastening structure for controlling mold opening and closing according to claim 6, characterized in that: The B slider (75) has a guide part (751) protruding into the slide groove (711) on its side. The width of the guide part (751) is equal to the width of the slide groove (711). The second mounting groove (33) has a second receiving groove on its side wall. A second elastic member (76) is provided in the second receiving groove. One end of the second elastic member (76) is fixedly connected to the B slider (75).
8. The fastening structure for controlling mold opening and closing according to claim 7, characterized in that: The guide slide (751) is provided with a third inclined surface (752) adapted to the first inclined surface (722), the bottom wall of the slot (712) is provided with a fourth inclined surface (713), and the side of the B slider (75) facing the main body (71) is provided with a fifth inclined surface (753) adapted to the fourth inclined surface (713).
9. The fastening structure for controlling mold opening and closing according to any one of claims 1-8, characterized in that: There are four limiting rods (6), which are distributed at the four corners of the panel (1). The A plate (3) has stepped holes (31) through which the limiting rods (6) pass.
10. The fastening structure for controlling mold opening and closing according to claim 9, characterized in that: The stepped hole (31) includes a small hole section and a large hole section connected to the small hole section. The diameter of the small hole section is smaller than the diameter of the large hole section. A limiting plane (311) is formed at the connection between the small hole section and the large hole section. The lower outer circumference of the limiting rod (6) protrudes outward to form an annular protrusion (61).