A detachable mold core
By designing a detachable mold core, including a mounting base and a die block, the problem of the existing injection mold core needs to be replaced simultaneously is solved, the installation convenience and stability of the mold is improved, and the replacement cost and time is reduced.
Patent Information
- Application Number
- CN202421647288.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-11
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-07-11
AI Technical Summary
The existing injection mold cores usually have fixed connections to form an integrated structure, resulting in the need to replace the mounting base and the mold core at the same time when injection molding plastic parts of different sizes, which increases the mold cost and affects the mold replacement efficiency.
A detachable mold core is designed, including a mounting base and a module core. The mounting base is symmetrically rotatably connected to the side wall of the module core block. A mold groove is arranged in the middle of the module core block. The injection molding port is connected to the mold groove. Two clamps are symmetrically fixed on the side wall of the module core block. A communication pipe is inserted on the side wall of the mounting base. The condenser pipe is connected to the two ends of the condenser tube through the mounting base, which improves the heat dissipation and cooling efficiency of the module core block.
Through the removable design, the installation convenience and stability of the die core block are improved, the cost and time of mold replacement are reduced, and the efficiency of mold usage is improved.
Smart Images
Figure CN222712717U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of injection molding, and particularly relates to a detachable mold core. Background Art
[0002] Plastic molds are tools used in the plastic processing industry to match plastic molding machines and give plastic products a complete configuration and precise size. Due to the wide variety of plastics and processing methods, the structures of plastic molding machines and plastic products vary in complexity, and the types and structures of plastic molds are also diverse. During the production process of injection molds, the PET raw material is molten and extruded into the mold cavity by the injection molding machine.
[0003] The existing injection mold core is usually fixedly connected with a mounting seat to form an integrated structure. When plastic parts of different sizes need to be injected, the mounting seat and the core need to be replaced at the same time, which increases the cost of the mold and affects the efficiency of mold replacement. Utility Model Content
[0004] The utility model provides a detachable mold core, aiming to solve the problem that the existing injection mold core is usually fixedly connected with a mounting seat to form an integrated structure. When plastic parts of different sizes need to be injection molded, the mounting seat and the core need to be replaced at the same time, thereby increasing the mold cost and affecting the mold replacement efficiency.
[0005] The utility model is implemented as follows: a detachable mold core comprises a mounting seat and a core block, wherein the mounting seat is symmetrically rotatably connected to two baffles on the side wall near the core block, a slot one is provided in the middle of the mounting seat for the core block to be plugged in, an injection port one is plugged in the top of the mounting seat, a mold groove is provided in the middle of the core block, an injection port two is provided on the top of the core block to be connected to the mold groove, the injection port two and the injection port one are located in the same vertical direction, two clamping blocks are symmetrically fixed on the side wall of the core block, two clamping slots one are symmetrically provided on the side wall near the slot one for the baffle to be clamped in, and a clamping slot two is provided at the middle position of the two clamping slots one for the clamping of the clamping block.
[0006] Preferably, two connecting ears are symmetrically fixed on the side wall of the mounting seat, and threaded holes are provided on the surfaces of the two connecting ears to facilitate the fixing of the mounting seat.
[0007] Preferably, a mounting groove is provided inside the mounting seat, and a condenser is installed inside the mounting groove. The condenser is made of stainless steel and is S-shaped, thereby improving the heat dissipation and cooling efficiency of the mold core block.
[0008] Preferably, a connecting tube 1 is inserted into the side wall of the mounting seat, and a connecting tube 2 is inserted into the side wall of the mounting seat below the connecting tube 1. The connecting tubes 1 and 2 pass through the mounting seat and are connected with both ends of the condenser in sequence to facilitate the circulation of the cooling liquid.
[0009] Preferably, the side walls of the core block close to the two clamping blocks are provided with three clamping grooves, and the three clamping grooves are all in an arc shape for the baffle to rotate, thereby improving the convenience of the baffle rotation.
[0010] Preferably, the surfaces of the two baffles are provided with internal thread grooves, and the inner shells of the internal thread grooves are threadedly connected to hexagon socket bolts.
[0011] Preferably, connection grooves are provided on the surfaces of the two clamping blocks, and the connection grooves are located in the same vertical direction as the internal thread grooves for connection with hexagon socket bolts, thereby improving the stability of the clamping of the clamping blocks.
[0012] Compared with the prior art, the embodiments of the present application have the following beneficial effects:
[0013] Firstly, by providing a mounting seat, a core block and a baffle, the outer dimensions of the baffle are matched with the dimensions of slot one to facilitate the positioning and connection of injection port one and injection port two, and the outer dimensions of the two baffles and the clamping block are matched with the inner dimensions of slot one and slot two in turn. The baffle can be clamped to the limiting clamping block by loosening the baffle, thereby improving the convenience and stability of the installation of the core block; secondly, by providing an internal thread groove and a connecting groove, when the baffle is rotated to the inside of slot one, the internal thread groove and the connecting groove are located in the same vertical direction, and the inside of the internal thread groove and the connecting groove can be threadedly connected to the hexagon socket bolt, thereby improving the stability of the installation of the clamping block and the core block. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a front view three-dimensional structural schematic diagram of the utility model.
[0015] Figure 2 This is a schematic diagram of the front view installation structure of the mounting base of the utility model.
[0016] Figure 3 This is a front view structural diagram of the mold core block of the utility model.
[0017] Figure 4 It is a schematic diagram of the front cross-sectional structure of the mounting seat of the utility model.
[0018] The figures are marked as follows: 1. mounting seat; 2. core block; 3. baffle; 4. connecting ear; 5. mold groove; 6. injection port one; 7. injection port two; 8. slot one; 9. slot one; 10. slot two; 11. internal thread groove; 12. connecting pipe one; 13. connecting pipe two; 14. slot three; 15. clamping block; 16. connecting slot; 17. mounting slot; 18. condenser. DETAILED DESCRIPTION
[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.
[0020] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.
[0021] See also Figure 1-4The embodiment of the utility model provides: a detachable mold core, including a mounting seat 1 and a core block 2, two connecting ears 4 are symmetrically fixed on the side wall of the mounting seat 1, and threaded holes are provided on the surfaces of the two connecting ears 4 for convenient fixing of the mounting seat 1, and two baffles 3 are symmetrically rotatably connected on the side wall of the mounting seat 1 close to the core block 2 through a torsion spring, a notch 8 is provided in the middle of the mounting seat 1 for the core block 2 to be plugged in, an injection port 1 6 is plugged in the top of the mounting seat 1, a mold groove 5 is provided in the middle of the core block 2, an injection port 2 7 is provided on the top of the core block 2 and is connected to the mold groove 5, and the injection port 2 7 and the injection port 1 6 are located in the same vertical direction, so that the melted PET raw material can enter the interior of the mold groove 5 from the injection port 1 6 and the injection port 2 7 for extrusion molding, and two clamping blocks 15 are symmetrically fixed on the side wall of the core block 2, and an air vent is provided on the inner side wall of the injection port 2 7, and the air vent runs through the clamping block 15 for convenient discharge from the inside of the mold groove 5 The air of the baffle plate 3 is adapted to the internal size of the slot 19. A slot 20 is provided at the middle position of the two slots 9 for the block 15 to engage. The external size of the baffle plate 3 is adapted to the size of the slot 18, which improves the stability of the installation of the core block 2 and facilitates the positioning and connection of the injection port 16 and the injection port 27. After the block 15 is successively engaged in the interior of the slot 20, the baffle plate 3 is released. The baffle plate 3 rotates to the interior of the slot 9 under the action of the torsion spring to complete the reset, thereby engaging the limit block 15, thereby improving the convenience and stability of the installation of the core block 2, thereby reducing the cost of mold replacement.
[0022] A mounting groove 17 is provided inside the mounting seat 1, and a condenser 18 is installed inside the mounting groove 17. The condenser 18 is made of stainless steel and is S-shaped, which improves the heat dissipation and cooling efficiency of the mold core block 2. A connecting pipe 12 is inserted on the side wall of the mounting seat 1 for conveying coolant, and a connecting pipe 2 13 is inserted on the side wall of the mounting seat 1 near the bottom of the connecting pipe 12 for outputting coolant. The connecting pipe 12 and the connecting pipe 2 13 pass through the mounting seat 1 and are connected with both ends of the condenser 18 in sequence. The coolant is compressed by a compressor and then conveyed by a pump for circulation. The coolant enters the condenser 18 to cool the mold core block 2. The coolant is a prior art and will not be described here.
[0023] Internal thread grooves 11 are provided on the surfaces of the two baffles 3, and the inner shell threads of the internal thread grooves 11 are connected to the hexagon socket bolts. Connecting grooves 16 are provided on the surfaces of the two clamping blocks 15. The connecting grooves 16 are located in the same vertical direction as the internal thread grooves 11 for connection with the hexagon socket bolts, thereby limiting the rotation of the baffles 3 and improving the stability of the clamping of the clamping blocks 15.
[0024] Working principle: When this kind of detachable mold core is in use, the operator first rotates the two baffles 3 to reveal the slot 1 9 and the slot 2 10, so as to facilitate the core block 2 and the block 15 to be successively connected to the inside of the slot 1 8 and the slot 2 10. The injection port 2 7 and the injection port 1 6 are located in the same vertical direction, and can be positioned to connect the injection port 1 6 and the injection port 2 7 to the mold groove 5. When the mold groove 5 is filled with molten PET raw materials, the plastic parts can be extruded and formed, and then the baffles 3 are released. The two baffles 3 are rotated to the inside of the slot 1 9 under the action of the torsion spring to complete the reset, so that the baffles 3 are blocked on the surface of the block 15, thereby limiting the displacement of the core block 2, thereby improving the convenience and stability of the installation of the core block 2, thereby reducing the cost of mold replacement.
[0025] Secondly, the internal thread groove 11 and the connecting groove 16 are located in the same vertical direction, and the internal parts of the internal thread groove 11 and the connecting groove 16 can be threadedly connected with the hexagon socket bolts to limit the rotation of the baffle 3, thereby further improving the installation stability of the clamping block 15 and the core block 2.
[0026] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.
[0027] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.
[0028] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0029] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.
Claims
1. A detachable mold core, characterized in that: The invention comprises a mounting seat (1) and a core block (2): two baffles (3) are symmetrically rotatably connected on the side wall of the mounting seat (1) near the core block (2); a notch (8) is provided in the middle of the mounting seat (1) for the core block (2) to be plugged in; an injection port (6) is plugged in at the top of the mounting seat (1); a mold groove (5) is provided in the middle of the core block (2); an injection port (7) is provided at the top of the core block (2) and is connected to the mold groove (5); the injection port (7) and the injection port (6) are located in the same vertical direction; two clamping blocks (15) are symmetrically fixed on the side wall of the core block (2); two clamping grooves (9) are symmetrically provided on the side wall of the mounting seat (1) near the notch (8) for the baffles (3) to be plugged in; and a clamping groove (10) is provided at the middle position of the two clamping grooves (9) for the clamping blocks (15) to be plugged in.
2. A detachable mold core according to claim 1, characterized in that: Two connecting ears (4) are symmetrically fixed on the side wall of the mounting seat (1), and threaded holes are provided on the surfaces of the two connecting ears (4).
3. The detachable mold core according to claim 2, characterized in that: The mounting seat (1) is provided with a mounting groove (17) inside, and a condenser (18) is installed inside the mounting groove (17). The condenser (18) is made of stainless steel and is S-shaped.
4. The detachable mold core according to claim 3, characterized in that: A connecting pipe 1 (12) is inserted into the side wall of the mounting seat (1), and a connecting pipe 2 (13) is inserted into the side wall of the mounting seat (1) below the connecting pipe 1 (12). The connecting pipe 1 (12) and the connecting pipe 2 (13) pass through the mounting seat (1) in sequence and are connected to both ends of the condenser pipe (18).
5. The detachable mold core according to claim 1, characterized in that: The side walls of the core block (2) close to the two clamping blocks (15) are each provided with a third clamping groove (14), and the third clamping groove (14) is in an arc shape for the baffle plate (3) to rotate.
6. The detachable mold core according to claim 5, characterized in that: The surfaces of the two baffles (3) are both provided with internal thread grooves (11), and the inner shells of the internal thread grooves (11) are threadedly connected to hexagon socket bolts.
7. The detachable mold core according to claim 1, characterized in that: The surfaces of the two clamping blocks (15) are both provided with connection grooves (16), and the connection grooves (16) are located in the same vertical direction as the internal thread grooves (11) for connection with hexagon socket bolts.