Injection mold with mold core convenient to replace
By introducing a disassembly mechanism into the injection mold, the rapid installation and disassembly of the mold core is achieved using structures such as card slots and blocks, the problem of low core replacement efficiency is solved and the operation convenience and practicality of the mold is improved.
Patent Information
- Application Number
- CN202422503285.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-10-16
AI Technical Summary
Existing injection molds require external tools during the installation and disassembly of the mold core, resulting in low replacement efficiency.
The disassembly mechanism is adopted, including installation components and disassembly components. Through structures such as card slots, card blocks, slide rods, fixing frames, sliding columns and beveled blocks, the die core is quickly installed and disassembled, and bolts and external tools are avoided.
It improves the efficiency of the die core replacement, simplifies the operation process, and improves the practicality of the die.
Smart Images

Figure CN223223779U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold with a convenient mold core replacement. Background Art
[0002] Molds are the various molds and tools used in industrial production to produce desired products through methods such as injection molding, blow molding, extrusion, die-casting, forging, smelting, and stamping. Simply put, a mold is a tool used to create a shaped object. This tool is composed of various parts, and different molds are made up of different parts. It primarily shapes the object by changing the physical state of the material being molded. It is often called the "mother of industry."
[0003] After searching, an injection mold for convenient mold core replacement (authorization announcement number: CN 213353435 U) "comprises a base, a lower mold base, a lower mold core, an upper mold base and an upper mold core, the upper surface of the base is fixedly mounted with a lower mold base, the four corners of the upper end of the lower mold base are fixedly mounted with guide rods, the top of the guide rods is fixedly mounted with a top plate, the top middle part of the top plate is fixedly mounted with a hydraulic cylinder, the piston rod at one end of the hydraulic cylinder passes through the top plate and is fixedly connected to the top middle part of the upper mold base, and the four corners of the upper mold base are provided with guide holes adapted to the guide rods. The utility model improves the stability of the upper mold base when it moves downward by providing guide rods at the four corners of the upper end of the lower mold base, so that the upper mold base is slidably mounted on the guide rods, thereby avoiding the upper mold base being dislodged when the hydraulic cylinder controls the upper mold base to move downward, affecting product production, and facilitating rapid heat dissipation of the product in the cavity by providing a number of heat dissipation holes on the upper mold base, thereby improving the molding speed of the product and improving production quality and efficiency."
[0004] Based on the above-mentioned related technologies, the applicant believes that the above-mentioned technologies use bolts to fix the mold core, and external tools are needed to operate during the installation and disassembly process, and the replacement efficiency is low. To address the above problems, we have launched an injection mold that is convenient for replacing the mold core. Utility Model Content
[0005] The utility model discloses an injection mold with a convenient mold core replacement, aiming to solve the technical problem that the mold core is fixed with bolts, external tools are needed for operation during installation and disassembly, and the replacement efficiency is low.
[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0007] An injection mold for convenient replacement of mold cores comprises a bottom plate, the top of the bottom plate is fixedly connected to a base, both sides of the top of the base are symmetrically fixedly connected to support columns, the top of the support columns is fixedly connected to a top plate, the top of the top plate is fixedly connected to a cylinder, the output end of the cylinder extends to the bottom of the top plate and is fixedly connected to a pressing plate, the top of the base is fixedly connected to a molding seat, the mold core body is placed inside the molding seat, a disassembly mechanism is provided on the top of the base, the disassembly mechanism comprises an installation component and a disassembly component, the installation component and the disassembly component are used in conjunction with each other, the installation component comprises a card slot, the The card slots are symmetrically opened on the top of the forming seat, and the top of the mold core body is fixedly connected with a card block, and the card block and the card slot are used in conjunction with each other. The inside of the two card blocks are symmetrically provided with insertion holes, and the outside of the forming seat is symmetrically fixedly connected with a fixed frame, and the inside of the two fixed frames is slidably connected with a sliding rod, and the outsides of the two sliding rods are fixedly connected with a limiting disk, and the outsides of the two sliding rods are sleeved with a fixing spring, one end of the two sliding rods extends to the outside of the fixed frame and is fixedly connected with a connecting plate, and the two connecting plates are symmetrically fixedly connected with an insertion rod on one side close to the card block, and the insertion rod and the insertion hole are used in conjunction with each other.
[0008] In a preferred solution, the disassembly assembly includes a sliding column, which is symmetrically fixedly connected to the inside of the forming seat, and the outer sides of the two sliding columns are symmetrically slidably connected with inclined blocks, and the outer sides of the two sliding columns are symmetrically sleeved with extrusion springs, and the outer sides of the two sliding columns are symmetrically fixedly connected with positioning plates, and the bottom two sides of the mold core body are symmetrically fixedly connected with support blocks, and the support blocks and inclined blocks are used in conjunction with each other.
[0009] In a preferred solution, one end of the two sliding rods away from the clamping block is fixedly connected to a connecting frame, and the outer side of the connecting frame is fixedly connected to a handle.
[0010] In a preferred solution, a non-slip rubber pad is fixedly connected to the outer side of the handle.
[0011] In a preferred solution, the size of the insertion rod matches the size of the insertion hole.
[0012] In a preferred solution, the cylinder is electrically connected to an external controller.
[0013] The injection mold provided by the utility model, which is convenient for replacing the mold core, has the following advantages:
[0014] First, the disassembly mechanism can realize the rapid installation and disassembly of the mold core body. No bolts and external tools are required during the installation and disassembly process, which improves the replacement efficiency of the mold core body. The structure is simple and the practicability is strong.
[0015] Secondly, the provided handle makes it convenient for the staff to pull the connecting frame, the provided rubber pad can increase the friction, and the provided controller makes it convenient for the staff to control the opening and closing of the cylinder, making the operation easier. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a three-dimensional schematic diagram of an injection mold for convenient core replacement proposed by the present invention.
[0017] Figure 2 This is a schematic three-dimensional cross-sectional rear view of an injection mold base for convenient core replacement proposed by the present invention.
[0018] Figure 3 This is a rear cross-sectional schematic diagram of the base of the injection mold for convenient core replacement proposed by the present invention.
[0019] Figure 4 The utility model proposes an injection mold that is convenient for replacing the mold core Figure 1 Schematic diagram after enlargement of point A.
[0020] In the accompanying drawings: 1. Bottom plate; 2. Base; 3. Support column; 4. Top plate; 5. Cylinder; 6. Pressing plate; 7. Forming seat; 8. Mold core body; 91. Card slot; 92. Card block; 93. Insert hole; 94. Fixed frame; 95. Sliding rod; 96. Limiting plate; 97. Fixed spring; 98. Connecting plate; 99. Insert rod; 101. Sliding column; 102. Inclined block; 103. Extrusion spring; 104. Positioning plate; 105. Support block; 11. Connecting frame; 12. Handle. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. The components of the embodiments of the present application generally described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work fall within the scope of protection of the present application.
[0022] Reference Figure 1 - Figure 4, an injection mold for convenient replacement of the mold core, including a bottom plate 1, a base 2 is fixedly connected to the top of the bottom plate 1, support columns 3 are symmetrically fixedly connected to both sides of the top of the base 2, the top of the support column 3 is fixedly connected to the top plate 4, the top of the top plate 4 is fixedly connected to the cylinder 5, the output end of the cylinder 5 extends to the bottom of the top plate 4 and is fixedly connected to the pressing plate 6, the top of the base 2 is fixedly connected to the molding seat 7, the molding seat 7 is placed inside the mold core body 8, the top of the base 2 is provided with a disassembly mechanism, the disassembly mechanism includes an installation component and a disassembly component, the installation component and the disassembly component are used in conjunction with each other, the installation component includes a card slot 91, and the card slot 91 is symmetrically opened on the top of the molding seat 7 The top of the core body 8 is fixedly connected with a card block 92, and the card block 92 and the card slot 91 are used in conjunction with each other. The inside of the two card blocks 92 are symmetrically provided with a socket 93, and the outside of the forming seat 7 is symmetrically fixedly connected with a fixed frame 94. The inside of the two fixed frames 94 are slidably connected with a slide rod 95, and the outside of the two slide rods 95 are fixedly connected to the limiting disk 96. The outside of the two slide rods 95 are provided with a fixing spring 97, and one end of the two slide rods 95 extends to the outside of the fixed frame 94 and is fixedly connected with a connecting plate 98. The two connecting plates 98 are symmetrically fixedly connected with an insertion rod 99 on the side close to the card block 92, and the insertion rod 99 and the socket 93 are used in conjunction with each other. The disassembly component includes a sliding column 101, which is symmetrically fixedly connected to the inside of the forming seat 7. The outer sides of the two sliding columns 101 are symmetrically slidably connected with inclined blocks 102. The outer sides of the two sliding columns 101 are symmetrically sleeved with extrusion springs 103. The outer sides of the two sliding columns 101 are symmetrically fixedly connected with positioning plates 104. The bottom sides of the core body 8 are symmetrically fixedly connected with support blocks 105. The support blocks 105 and the inclined blocks 102 are used in conjunction with each other.
[0023] In the above technical solution, considering that the mold core is fixed with bolts, external tools are needed to operate during the installation and removal process, and the replacement efficiency is low, in order to solve this problem, the specific operations are as follows:
[0024] Reference Figure 1 - Figure 4In a preferred embodiment, the connecting frame 11 drives the two sliding rods 95 to slide inside the fixed frame 94. Under the action of the limit plate 96, the fixing spring 97 can be squeezed. Then the staff inserts the mold core into the interior of the molding seat 7, and then presses the molding seat 7 downward with force. The support block 105 squeezes the inclined block 102 downward, and the inclined block 102 slides in the direction away from each other, and then the squeezing spring 103 is squeezed and contracted, forming an upward squeezing force on the mold core body 8. Then the staff releases the hand that pulls the connecting frame 11, and under the tension of the fixing spring 97, the insertion rod 99 is inserted into the inside of the socket 93, completing the fixing of the mold core body 8. The disassembly mechanism set up can realize the rapid installation and disassembly of the mold core body 8. During the installation and disassembly process, no bolts and external tools are required, which improves the replacement efficiency of the mold core body 8. The structure is simple and the practicality is strong.
[0025] Reference Figure 1 - Figure 4 In a preferred embodiment, one end of the two sliding rods 95 away from the block 92 is fixedly connected to a connecting frame 11, and a handle 12 is fixedly connected to the outer side of the connecting frame 11. A rubber pad for anti-slip is fixedly connected to the outer side of the handle 12. The size of the insertion rod 99 is consistent with the size of the socket 93. The cylinder 5 is electrically connected to the external controller. The provided handle 12 makes it convenient for the staff to pull the connecting frame 11, and the provided rubber pad can increase the friction. The provided controller makes it convenient for the staff to control the opening and closing of the cylinder 5, and the operation is simpler.
[0026] Working principle: In actual use, the staff pulls the connecting frame 11, and the connecting frame 11 drives the two sliding rods 95 to slide inside the fixed frame 94. Under the action of the limit plate 96, the fixing spring 97 can be squeezed. Then the staff inserts the mold core into the interior of the forming seat 7, and then presses the forming seat 7 downward with force. The support block 105 squeezes the inclined block 102 downward, and the inclined block 102 slides in the direction away from each other, and then the squeezing spring 103 is squeezed and contracted, forming an upward squeezing force on the mold core body 8. Then the staff releases the hand pulling the connecting frame 11, and under the tension of the fixing spring 97, the insertion rod 99 is inserted into the inside of the hole 93, completing the fixing of the mold core body 8. When the mold core body 8 needs to be disassembled, it is only necessary to pull the connecting frame 11 to disengage the insertion rod 99 from the hole 93. Under the tension of the squeezing spring 103, the mold core body 8 is bounced upward, which is convenient for removal and replacement.
[0027] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. The replacements described may be partial structures, devices, or method steps, or they may be complete technical solutions. Any equivalent replacements or modifications based on the technical solution and the concept of the present invention shall be covered by the scope of protection of the present invention.
Claims
1. An injection mold for convenient core replacement, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to a base (2), both sides of the top of the base (2) are symmetrically fixedly connected to support columns (3), the top of the support columns (3) is fixedly connected to a top plate (4), the top of the top plate (4) is fixedly connected to a cylinder (5), the output end of the cylinder (5) extends to the bottom of the top plate (4) and is fixedly connected to a pressing plate (6), the top of the base (2) is fixedly connected to a forming seat (7), a mold core body (8) is placed inside the forming seat (7), and a disassembly mechanism is provided on the top of the base (2), the disassembly mechanism includes an installation component and a disassembly component, and the installation component and the disassembly component are used in conjunction with each other; The mounting assembly includes a card slot (91), which is symmetrically opened on the top of the forming seat (7), and the top of the core body (8) is fixedly connected with a card block (92), and the card block (92) and the card slot (91) are used in conjunction with each other. The inside of the two card blocks (92) are symmetrically opened with a socket (93), and the outside of the forming seat (7) is symmetrically fixedly connected with a fixed frame (94), and the inside of the two fixed frames (94) are slidably connected with a slide rod (95), and the outside of the two slide rods (95) are fixedly connected with a limiting disk (96), and the outside of the two slide rods (95) are sleeved with a fixing spring (97), and one end of the two slide rods (95) extends to the outside of the fixed frame (94) and is fixedly connected with a connecting plate (98), and the two connecting plates (98) are symmetrically fixedly connected with an insertion rod (99) on the side close to the card block (92), and the insertion rod (99) and the socket (93) are used in conjunction with each other.
2. The injection mold for convenient core replacement according to claim 1, characterized in that: The disassembly assembly includes a sliding column (101), the sliding column (101) is symmetrically fixedly connected to the inside of the molding seat (7), the outer sides of the two sliding columns (101) are symmetrically slidably connected to the inclined surface blocks (102), the outer sides of the two sliding columns (101) are symmetrically sleeved with extrusion springs (103), the outer sides of the two sliding columns (101) are symmetrically fixedly connected to the positioning plates (104), and the bottom sides of the mold core body (8) are symmetrically fixedly connected to the support blocks (105), and the support blocks (105) and the inclined surface blocks (102) are used in conjunction with each other.
3. The injection mold for convenient core replacement according to claim 1, characterized in that: One end of the two slide bars (95) away from the clamping block (92) is fixedly connected to a connecting frame (11), and the outer side of the connecting frame (11) is fixedly connected to a handle (12).
4. The injection mold for convenient core replacement according to claim 3, characterized in that: The outer side of the handle (12) is fixedly connected with a rubber pad for preventing slipping.
5. The injection mold for convenient core replacement according to claim 1, characterized in that: The size of the insertion rod (99) matches the size of the insertion hole (93).
6. The injection mold for convenient core replacement according to claim 1, characterized in that: The cylinder (5) is electrically connected to an external controller.
Citation Information
Patent Citations
Injection mold with mold core convenient to replace
CN213353435U