Mold frame capable of quickly replacing mold core
By designing a mold frame disassembly device and utilizing structures such as hydraulic rods and filling pads, the problem of difficult mold core replacement was solved, enabling rapid mold disassembly and convenient core replacement, and reducing wear during the disassembly process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHUAI STEEL FORMWORK (YIXING) CO LTD
- Filing Date
- 2025-05-15
- Publication Date
- 2026-05-26
Smart Images

Figure CN224272961U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mold technology, specifically a mold frame with a quick-change mold core. Background Technology
[0002] Industrial molds are specialized tools used in industrial production to shape products. They use pressure to mold materials such as metal and plastic into the required parts or products. Their precision and quality directly determine the appearance, size, and performance of the final product. For example, everyday items such as car shells, mobile phone frames, and beverage bottles all rely on mold production.
[0003] Regarding the above and existing related technologies: In the use of molds, it is necessary to replace the mold core in the mold. Since the mold is made up of various metal structural parts spliced together, it needs to be disassembled by workers by hand. However, due to the tight connection of various parts of the mold, it is easy for the mold to be difficult to separate during disassembly. Therefore, a mold frame that can quickly replace the mold core is proposed to address the above problems. Utility Model Content
[0004] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.
[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: The mold frame of this utility model with quick mold core replacement includes a lower mold body and a disassembly device. An upper mold body is fixedly connected to the upper surface of the lower mold body. Two disassembly devices are provided on the surfaces of the lower mold body and the upper mold body. The disassembly device includes a placement frame, which is sleeved on the surface of the lower mold body. Two fixing blocks are fixedly connected to the upper surface of the placement frame. A rotating block is rotatably connected to the surface of the fixing blocks. A hydraulic rod is fixedly connected to the upper surface of the rotating block. The hydraulic rod is located directly below the upper mold body. The rotating block drives the hydraulic rod to rotate. After the hydraulic rod rotates to a suitable angle, the hydraulic rod is activated to lift the upper mold body. By setting up the entire placement frame, fixing blocks, rotating blocks and hydraulic rod, the lower mold body and the upper mold body can be easily separated, thereby facilitating the replacement of the mold core.
[0006] Preferably, the inner wall of the placement frame and the lower mold body are threaded together with two positioning pins. After the placement frame is attached to the lower mold body, the positioning pins are rotated to the inner wall of the placement frame and the lower mold body. The positioning pins can restrict the position of the placement frame.
[0007] Preferably, a top plate is fitted over the surface of the two hydraulic rods, and a plug is threadedly connected to the inner wall of the top plate and the two hydraulic rods. The top plate is located directly below the upper mold body. When the hydraulic rods are in use, the hydraulic rods will drive the top plate to move, and the top plate will lift the upper mold body. By setting the top plate and the plug, the upper mold body can be driven to move.
[0008] Preferably, a limiting frame is inserted into the inner wall of the top plate, and a fixing pin is threadedly connected between the inner wall of the top plate and the limiting frame. By rotating the fixing pin to the inner wall of the top plate and the limiting frame, the position of the upper mold body on the upper surface of the top plate can be restricted by setting the limiting frame and the fixing pin.
[0009] Preferably, the surface of the top plate is provided with a filling device, the filling device including a filling pad, the filling pad is located on the surface of the top plate, the bottom end of the filling pad is fixedly connected to a retaining strip, a retaining groove is opened on the upper surface of the top plate near the retaining strip, the retaining strip is inserted into the inner wall of the retaining groove of the top plate, the filling pad fits against the top plate, and when the top plate moves, it will drive the filling pad to move, the filling pad is pressed against the surface of the upper mold body, and by setting the filling pad, the gap between the upper mold body and the top plate can be reduced.
[0010] Preferably, the side wall of the top plate is fixedly connected with a plurality of locking posts, which are inserted into the inner surface of the filling pad. When the filling pad is in use, the filling pad is pushed to fit onto the surface of the locking posts, and the locking posts can restrict the position of the filling pad to a certain extent.
[0011] Preferably, the surface of the filling pad has a locking hole near the locking post, and the locking post is inserted into the inner surface of the locking hole of the filling pad. When the filling pad is in use, the filling pad is fitted onto the surface of the locking post through the locking hole. The locking hole makes it convenient for the filling pad to store the locking post.
[0012] The advantages of this utility model are:
[0013] 1. When the upper and lower mold bodies need to be separated and disassembled, the top plate is placed on the surface of the two hydraulic rods. Then, the insert rod is rotated to the inner wall of the top plate and the two hydraulic rods. The placement frame is then placed on the surface of the lower mold body. The positioning pin is then rotated to the inner wall of the placement frame and the lower mold body. The rotating block is then pushed to rotate on the surface of the fixed block. The rotating block drives the hydraulic rods to rotate. After the top plate rotates to a suitable angle, the limiting frame is inserted into the inner wall of the top plate. The limiting frame fits against the upper mold body. Then, the fixing pin is rotated to the inner wall of the top plate and the limiting frame. During disassembly, the hydraulic rods are activated to move the top plate. The top plate pushes open the upper mold body. By setting up the entire device, the upper mold body and the lower mold body can be easily disassembled, and the complexity of disassembly can be reduced, thereby facilitating the replacement of the mold core.
[0014] 2. When using the top plate, this utility model pushes the filling pad to make it fit against the top plate. When the filling pad moves, it will cause the locking strip to slide. The locking strip is inserted into the inner wall of the locking groove. After the filling pad fits against the top plate, the filling pad is pushed and the filling pad is sleeved on the surface of the locking post through the locking hole. When the top plate is in use, the filling pad will be squeezed on the surface of the upper mold body. By setting the entire device, the gap between the top plate and the upper mold body can be filled, reducing the wear between the top plate and the upper mold body. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a three-dimensional structural diagram of the lower mold body in a mold frame with a quick-change mold core;
[0017] Figure 2 For a mold base with quick-change mold core Figure 1 A schematic diagram of the structure at point A;
[0018] Figure 3 This is an exploded structural diagram of a disassembly device in a mold frame for quick mold core replacement;
[0019] Figure 4 This is a side view of the upper mold body in a mold frame with a quick-change mold core.
[0020] Figure 5 For a mold base with quick-change mold core Figure 4 A schematic diagram of the structure at point B.
[0021] In the diagram: 1. Lower mold body; 2. Upper mold body; 3. Disassembly device; 31. Placement frame; 32. Fixing block; 33. Rotating block; 34. Hydraulic rod; 35. Positioning pin; 36. Top plate; 37. Insert rod; 38. Limiting frame; 39. Fixing pin; 4. Filling device; 41. Filling pad; 42. Locking strip; 43. Locking groove; 44. Locking post; 45. Locking hole. Detailed Implementation
[0022] 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 scope of protection of the present utility model.
[0023] Please see Figure 1-5As shown, a mold frame with a quick-change mold core includes a lower mold body 1 and a disassembly device 3. An upper mold body 2 is fixedly connected to the upper surface of the lower mold body 1. Two disassembly devices 3 are provided on the surfaces of the lower mold body 1 and the upper mold body 2. Each disassembly device 3 includes a placement frame 31, which is sleeved on the surface of the lower mold body 1. Two fixing blocks 32 are fixedly connected to the upper surface of the placement frame 31. A rotating block 33 is rotatably connected to the surface of the fixing blocks 32. A hydraulic rod is fixedly connected to the upper surface of the rotating block 33. 34. The hydraulic rod 34 is located directly below the upper mold body 2. During operation, the placement frame 31 is placed on the surface of the lower mold body 1, and then the rotating block 33 is pushed to rotate on the surface of the fixed block 32. The rotating block 33 drives the hydraulic rod 34 to rotate. After the hydraulic rod 34 rotates to a suitable angle, the hydraulic rod 34 is activated to lift the upper mold body 2. By setting up the entire placement frame 31, fixed block 32, rotating block 33 and hydraulic rod 34, the lower mold body 1 and the upper mold body 2 can be easily separated, thereby facilitating the replacement of the mold core.
[0024] The inner wall of the placement frame 31 and the lower mold body 1 are threadedly connected by two positioning pins 35. During operation, the positioning pins 35 are rotated to the inner wall of the placement frame 31 and the lower mold body 1, and the positioning pins 35 can restrict the position of the placement frame 31.
[0025] A top plate 36 is fitted over the surfaces of the two hydraulic rods 34. A threaded rod 37 is threadedly connected to the inner walls of the top plate 36 and the two hydraulic rods 34. The top plate 36 is located directly below the upper mold body 2. During operation, the top plate 36 is fitted over the surfaces of the two hydraulic rods 34, and the threaded rod 37 is rotated to the inner walls of the top plate 36 and the two hydraulic rods 34. When the hydraulic rods 34 are in use, they will drive the top plate 36 to move, and the top plate 36 will lift the upper mold body 2. By setting the top plate 36 and the threaded rod 37, the upper mold body 2 can be driven to move.
[0026] A limiting frame 38 is inserted into the inner wall of the top plate 36, and a fixing pin 39 is threadedly connected between the inner walls of the top plate 36 and the limiting frame 38. During operation, the limiting frame 38 is pushed to fit onto the surface of the upper mold body 2, and then the fixing pin 39 is rotated to the inner walls of the top plate 36 and the limiting frame 38. By setting the limiting frame 38 and the fixing pin 39, the position of the upper mold body 2 on the upper surface of the top plate 36 can be restricted.
[0027] The surface of the top plate 36 is provided with a filling device 4, which includes a filling pad 41. The filling pad 41 is located on the surface of the top plate 36, and a retaining strip 42 is fixedly connected to the bottom end of the filling pad 41. A retaining groove 43 is opened on the upper surface of the top plate 36 near the retaining strip 42. The retaining strip 42 is inserted into the inner wall of the retaining groove 43 of the top plate 36. During operation, pushing the filling pad 41 causes the filling pad 41 to move the retaining strip 42. The retaining strip 42 is inserted into the inner wall of the retaining groove 43, and the filling pad 41 adheres to the top plate 36. When the top plate 36 moves, it will move the filling pad 41. The filling pad 41 is pressed against the surface of the upper mold body 2. By setting the filling pad 41, the gap between the upper mold body 2 and the top plate 36 can be reduced.
[0028] The top plate 36 has multiple locking posts 44 fixedly connected to its side wall. The locking posts 44 are inserted into the inner surface of the filling pad 41. During operation, the filling pad 41 is pushed to fit onto the surface of the locking posts 44. The locking posts 44 can restrict the position of the filling pad 41 to a certain extent.
[0029] The filling pad 41 has a locking hole 45 on its surface near the locking post 44. The locking post 44 is inserted into the inner surface of the locking hole 45 of the filling pad 41. During operation, the filling pad 41 is fitted onto the surface of the locking post 44 through the locking hole 45. The locking hole 45 allows the filling pad 41 to easily accommodate the locking post 44.
[0030] The working principle is as follows: When it is necessary to separate and disassemble the upper mold body 2 and the lower mold body 1, the top plate 36 is placed on the surface of the two hydraulic rods 34. Then, the insert rod 37 is rotated to the inner wall of the top plate 36 and the two hydraulic rods 34. Next, the placement frame 31 is placed on the surface of the lower mold body 1. Then, the positioning pin 35 is rotated to the inner wall of the placement frame 31 and the lower mold body 1. Then, the rotating block 33 is pushed to rotate on the surface of the fixed block 32. The rotating block 33 drives the hydraulic rods 34 to rotate. After the top plate 36 rotates to a suitable angle, the limiting frame 38 is inserted into the inner wall of the top plate 36. The limiting frame 38 fits against the upper mold body 2. Then, the fixing pin 39 is rotated to the inner wall of the top plate 36 and the limiting frame 38. During disassembly, the hydraulic rods 34 are activated to move the top plate 36. The top plate 36 pushes open the upper mold body 2. By setting up the entire device, the upper mold body 2 and the upper mold body 2 can be easily disassembled, and the disassembly process can be reduced, thus facilitating the replacement of the mold core. When using the top plate 36, the filling pad 41 is pushed to make the filling pad 41 fit against the top plate 36. When the filling pad 41 moves, it will drive the locking strip 42 to slide. The locking strip 42 is inserted into the inner wall of the locking groove 43. After the filling pad 41 fits against the top plate 36, the filling pad 41 is pushed and the filling pad 41 is fitted onto the surface of the locking post 44 through the locking hole 45. When the top plate 36 is in use, the filling pad 41 will be pressed against the surface of the upper mold body 2. By setting up the entire device, the gap between the top plate 36 and the upper mold body 2 can be filled, reducing the wear between the top plate 36 and the upper mold body 2.
[0031] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0032] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.
Claims
1. A mold frame with a quick-change mold core, comprising a lower mold body (1) and a disassembly device (3), wherein an upper mold body (2) is fixedly connected to the upper surface of the lower mold body (1); characterized in that: The surfaces of the lower mold body (1) and the upper mold body (2) are provided with two disassembly devices (3). The disassembly device (3) includes a placement frame (31). The placement frame (31) is fitted onto the surface of the lower mold body (1). Two fixing blocks (32) are fixedly connected to the upper surface of the placement frame (31). A rotating block (33) is rotatably connected to the surface of the fixing block (32). A hydraulic rod (34) is fixedly connected to the upper surface of the rotating block (33). The hydraulic rod (34) is located directly below the upper mold body (2).
2. The mold tooling set of claim 1, wherein: The inner wall of the placement frame (31) and the lower mold body (1) are connected by two locating pins (35).
3. The mold tooling set of claim 1, wherein: The surfaces of the two hydraulic rods (34) are fitted with top plates (36), and the inner walls of the top plates (36) and the two hydraulic rods (34) are threaded with insert rods (37). The top plates (36) are located directly below the upper mold body (2).
4. The mold tool of claim 3, wherein: A limiting bracket (38) is inserted into the inner wall of the top plate (36), and a fixing pin (39) is threadedly connected to the inner wall of the top plate (36) and the limiting bracket (38).
5. The mold tool of claim 3, wherein: The top plate (36) is provided with a filling device (4), which includes a filling pad (41). The filling pad (41) is located on the surface of the top plate (36). A retaining strip (42) is fixedly connected to the bottom end of the filling pad (41). A retaining groove (43) is provided on the upper surface of the top plate (36) near the retaining strip (42). The retaining strip (42) is inserted into the inner wall of the retaining groove (43) of the top plate (36).
6. A mold tooling set according to claim 5, wherein: The top plate (36) has multiple locking posts (44) fixedly connected to its side wall, and the locking posts (44) are inserted into the inner surface of the filling pad (41).
7. A mold frame with a quick-change mold core according to claim 5, characterized in that: The filling pad (41) has a locking hole (45) on its surface near the locking post (44), and the locking post (44) is inserted into the inner surface of the locking hole (45) of the filling pad (41).