Conformal waterway mold
The conformal water channel mold manufactured by 3D printing technology solves the problem of limited cooling water channel design in traditional molds, achieving efficient cooling and rapid molding, and improving the quality and production efficiency of injection molded products.
Patent Information
- Application Number
- CN202520008874.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-02
AI Technical Summary
Traditional mold cooling water channel design is limited, resulting in low and uneven cooling efficiency, which affects the injection molding cycle and product quality.
3D printing technology is used to manufacture conformal water channel molds, which are designed with multi-layer cooling channels. The cooling channels can be distributed according to the shape of the product, and the demolding process is optimized in combination with demolding components.
It improved cooling efficiency, reduced molding cycle time, and enhanced product quality and production efficiency.
Smart Images

Figure CN223604907U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to mould cooling water path technical field, especially point to a with shape water path mould. BACKGROUND
[0002] The shell of the electric appliance protector such as under-voltage protector, self-recovery over-voltage protector and leakage protector is divided into two parts of upper cover and base, the base 1' has bottom surface 11', front and rear two end plates 12' and left and right two side plates 13', the inner cavity 14' with open upper end is surrounded by the bottom surface 11', the two end plates 12' and the two side plates 13', the two end plates 12' have wire inlet post mounting hole 121' and wire outlet post mounting hole 122' respectively, and the base inner cavity 14' has jack 141' close to the position of the two end plates, the bottom surface of the base has recessed notch 111', the jack 141' and the lower notch 111' are also connected through the through hole 15', when the upper cover and the base are installed, the plug post of the upper cover is inserted into the corresponding jack, and the screw is connected to the upper cover by passing through the through hole upwards, and the nail head of the screw is hidden in the notch.The product shell is formed by injection molding, and the effect of the injection molding mold cooling system is particularly crucial in the injection molding process, which not only relates to the forming efficiency of the product, but also directly affects the quality of the final product.The cooling of the plastic product during injection molding is mainly completed by the mold cooling water path, but the traditional cooling water path is manufactured by milling machine and other machining processes, and the water path can only be cylindrical straight hole, and the linear cylindrical shape must avoid structure or assembly element, so the water path design is extremely limited, cannot completely close to the surface of the injection molding part, the cooling efficiency is low and the cooling is uneven, resulting in long injection molding cycle and large product deformation. CONTENT OF THE UTILITY MODEL
[0003] The utility model discloses a with shape water path mould, change shape and cross section and make with shape water path can be evenly distributed along with product shape, reduce forming cycle, improve cooling effect.
[0004] The utility model discloses a with shape water path mould, change shape and cross section and make with shape water path can be evenly distributed along with product shape, reduce forming cycle, improve cooling effect.
[0005] By adopting the technical scheme, the conformal water channel is a cooling water channel based on 3D printing technology, and due to the processing characteristics, the conformal water channel can be constructed into an arbitrary shape and a water channel section can be made into an arbitrary section other than a circular section, the conformal water channel can be uniformly distributed along the product shape by changing the shape and the section, the forming cycle is reduced, and the cooling effect is improved; and the multilayer cooling flow channel facilitates the cooling effect.
[0006] Further, the conformal water channel is a double-layer cooling flow channel arranged in layers, the lower end of the water inlet flow channel is used for water inlet, and the water inlet ends of the double-layer cooling flow channel are connected to the two sides of the upper end of the water inlet flow channel; the lower end of the water outlet flow channel is used for water outlet, and the water outlet ends of the double-layer cooling flow channel are connected to the two sides of the upper end of the water outlet flow channel; the upper end of the water outlet flow channel is located in the lower layer; the upper-layer cooling flow channel further has a water outlet section extending to the lower layer, and the upper end of the water outlet flow channel is connected to the water outlet section.
[0007] By further adopting the above arrangement, the double-layer cooling flow channel is arranged in layers and connected to the two sides of the water inlet and outlet flow channels, so that the influence and interference between the cooling flow channels are avoided; and the upper end of the water outlet flow channel is arranged in the lower layer, so that the arrangement of the upper-layer cooling flow channel is not affected.
[0008] Further, the fixed mold is provided with a fixed mold core, and the movable mold is provided with a movable mold core; the fixed mold core has an inner cavity modeling core, end plate modeling blocks at two ends of the inner cavity modeling core, and side plate modeling blocks at two sides of the inner cavity modeling core; the movable mold core has a bottom plate modeling core, and a bottom plate modeling cavity is formed by the bottom plate modeling core and the two end plate modeling blocks and the two side plate modeling blocks; and the inner cavity modeling core is located in the bottom plate modeling cavity to form a bottom plate cavity.
[0009] By further adopting the above arrangement, the bottom plate cavity is formed by the fixed mold core and the movable mold core after the mold is closed, and then the injection molding material is injected into the cavity through a nozzle, so that a reverse-docking bottom plate with an inner cavity opening downward is injection molded, and then the mold is opened to upwardly eject the finished product.
[0010] Further, the end plate modeling blocks at the two ends each have an installation hole modeling block for forming an inlet post installation hole and an outlet post installation hole on the inner side thereof, the bottom plate modeling core at the two ends is further provided with a notched modeling block for forming a notch on the bottom plate, the inner cavity modeling core at the two ends is further provided with a jack modeling post for forming a jack on the bottom plate, and a through hole modeling rod for forming a through hole on the bottom plate is arranged on the jack modeling post or the notched modeling block; and the through hole modeling rod is in abutment between the jack modeling post and the notched modeling block when the mold is closed.
[0011] With the further setting, the recess on the base is formed by the recess forming block, the insertion hole on the base is formed by the insertion hole forming column, and the through hole on the base is formed by the through hole forming rod during the injection molding, and the insertion hole forming column and the recess forming block are arranged separately, so that the base is easy to be demolded.
[0012] The further setting of the utility model discloses: two end plate modeling blocks and two side plate modeling blocks are equipped with demolding groups, the demolding group includes the slide block that is arranged in the fixed mold in sliding and is connected with the corresponding modeling block and the inclined guide pillar that is arranged on the movable mold, each slide block has the inclined guide cavity for the corresponding inclined guide pillar to be inserted, and the inclined guide cavity is inclined from top to bottom to the side of the inner cavity modeling mold core, when the mold is closed, each inclined guide pillar slides downward in the corresponding inclined guide cavity and cooperates with the cavity wall of the inclined guide cavity to drive each modeling block to slide close to the inner cavity modeling mold simultaneously to form the base cavity; when the mold is opened, each inclined guide pillar slides upward in the corresponding inclined guide cavity and cooperates with the cavity wall of the inclined guide cavity to drive each modeling block to slide in the direction of the inner cavity modeling mold core.
[0013] With the further setting, the demolding group can drive the corresponding modeling block to slide close to or away from the inner cavity modeling mold core, when the mold is opened, each inclined guide pillar moves upward synchronously with the movable mold, because the inclined guide cavity is inclined from top to bottom to the side of the inner cavity modeling mold core, when the inclined guide pillar slides upward in the corresponding inclined guide cavity, each modeling block can be driven to slide in the direction of the inner cavity modeling mold core, thereby being away from the injection base, so that the base is easy to be pushed out upward; when the mold is closed, the inclined guide pillar moves downward synchronously with the movable mold, when the inclined guide pillar slides downward in the corresponding inclined guide cavity, each modeling block can be driven to slide close to the inner cavity modeling mold to form the base cavity.
[0014] The further setting of the utility model discloses: four groups of slide blocks do horizontal sliding in the respective sliding grooves on the fixed mold, and the four groups of sliding grooves are distributed around the inner cavity modeling mold core.
[0015] With the further setting, the slide block does horizontal sliding in the respective sliding groove, so that the sliding deviation can be avoided, and the upward and downward movement of the slide block is limited.
[0016] The further setting of the utility model discloses: the slide block is in sliding insertion cooperation with the corresponding modeling block, the inner side of the modeling block is a modeling surface, and the insertion block or the insertion groove is further arranged on the outer side of the modeling block, the slide block is provided with the insertion groove or the insertion block on the side facing the corresponding modeling block, the insertion block is inserted in the insertion groove in the upward and downward direction, and the slide block and the corresponding modeling block are connected and positioned in the horizontal direction.
[0017] With the further setting, the modeling block and the slide block are convenient to connect, disassemble, replace and install.
[0018] The further setting of the utility model discloses: the moving die still has a moving die plate, is equipped with two groups of moving die kernel on the moving die plate, the fixed die still has a fixed die plate, is equipped with two groups of fixed die kernel on the fixed die plate, and two groups of base cavities are formed by two groups of moving die kernel and two groups of fixed die kernel cooperation.
[0019] Adopt the further setting above, can form two groups of base simultaneously, improve production efficiency greatly. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the structure diagram of base in the background technology of the utility model;
[0021] Figure 2 It is the structure diagram of one side of the bottom surface of base in the background technology of the utility model;
[0022] Figure 3 It is the structure diagram of the shaped waterway in the specific embodiment of the utility model;
[0023] Figure 4 It is the structure diagram of the shaped waterway in the specific embodiment of the utility model;
[0024] Figure 5 It is the die structure diagram in the specific embodiment of the utility model;
[0025] Figure 6 It is the structure diagram of one side of the moving die plate in the specific embodiment of the utility model;
[0026] Figure 7 It is the structure diagram of one side of the fixed die plate in the specific embodiment of the utility model;
[0027] Figure 8 It is the base cavity structure diagram in the specific embodiment of the utility model;
[0028] Figure 9 It is the structure diagram of moving die kernel in the specific embodiment of the utility model;
[0029] Figure 10 It is the structure diagram of fixed die kernel in the specific embodiment of the utility model;
[0030] Figure 11 It is the structure diagram of internal cavity modeling mold core in the specific embodiment of the utility model;
[0031] Figure 12 It is the structure diagram of one side of the bottom surface of fixed die kernel in the specific embodiment of the utility model;
[0032] Figure 13 It is the structure diagram of demoulding group in the specific embodiment of the utility model;
[0033] Figure 14The demolding group is split in the structure diagram of the embodiment of the utility model.
[0034] Figure 15 The four groups of sliding groove structure diagrams in the embodiment of the utility model.
[0035] In the drawing: base 1', bottom surface 11', end plate 12, side plate 13', inner cavity 14', wire inlet column mounting hole 121', wire outlet column mounting hole 122', jack 141', notch 111', through hole 15';
[0036] Fixed mold 1, fixed mold kernel 11, sliding groove 12, L-shaped sliding rail 121, fixed mold plate 13, inner cavity modeling mold core 31, end plate modeling block 32, side plate modeling block 33, mounting hole forming block 321, jack forming column 311, through hole forming rod 35, movable mold 2, movable mold kernel 21, movable mold plate 22, bottom plate modeling mold core 34, notch forming block 341, base cavity 3, conformal waterway 4, cooling runner 41, water inlet runner 42, water outlet runner 43, water outlet section 411, demolding group 5, sliding block 51, inclined guide cavity 511, inclined guide column 52, pushing block 53, plug block 61, plug groove 62. DETAILED DESCRIPTION
[0037] The technical solutions in the embodiments will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0038] As Figures 1-15As shown, the utility model discloses a with shape water route mould can be used to injection molding base proposed in background technology, and the mould includes fixed mould 1 and movable mould 2, the mould is provided with base cavity 3, and the mould is also provided with the inner cavity modeling mold core 31 for forming the inner cavity of base, is provided with 3D printing with shape water route 4 in the inner cavity modeling mold core 31, with shape water route 4 has multilayer cooling runner 41, and the water inlet of each cooling runner 41 is all communicated with water inlet runner 42, and the water outlet of each cooling runner 41 is all communicated with water outlet runner 43. Specifically with shape water route 4 is the double -deck cooling runner of upper and lower layer, the lower end of water inlet runner 42 is used for water inlet, and the water inlet of double -deck cooling runner 41 is connected respectively on both sides of the upper end of water inlet runner 42, the lower end of water outlet runner 43 is used for water outlet, and the water outlet of double -deck cooling runner 41 is connected respectively on both sides of the upper end of water outlet runner 43, the upper end of water outlet runner 43 is located in the lower layer, and the upper layer cooling runner also has the water outlet section 411 extending to the lower layer, and is connected to the upper end of water outlet runner 43 by water outlet section 411. The upper end of water inlet runner can also be located in the lower layer to avoid the upper layer cooling runner, or the upper layer cooling runner is bent to avoid the upper end of water inlet runner.
[0039] The with shape water route 4 of the utility model is the cooling water route based on 3D printing technology, and because of its processing characteristics, it can not be affected by the shape of the plastic part, and the with shape water route 4 can be constructed into any shape, and the water route cross section can be made into any cross section other than a circle, which can be uniformly distributed along the product shape by changing the shape and cross section, reduce the forming cycle, and improve the cooling effect, and the multilayer cooling runner 41 is convenient for cooling effect. The double -deck cooling runner 41 is arranged in upper and lower layers, and is connected on both sides of the water inlet and water outlet runner respectively, to avoid the influence interference between the cooling runner 41, and the upper end of the water outlet runner is arranged in the lower layer to avoid affecting the arrangement of the upper layer cooling runner.
[0040] The mold comprises the fixed mold 1 and the movable mold 2, the fixed mold 11 is arranged on the fixed mold 1, the movable mold 21 is arranged on the movable mold 2, the inner cavity modeling core 31 is arranged on the fixed mold 11, the end plate modeling block 32 is arranged at both ends of the inner cavity modeling core 31, the side plate modeling block 33 is arranged at both sides of the inner cavity modeling core 31, the bottom plate modeling core 34 is arranged on the movable mold 21, the bottom plate modeling core 34, the two end plate modeling blocks 32 and the two side plate modeling blocks 33 form the base shell cavity, the inner cavity modeling core 31 is arranged in the base shell cavity to form the base cavity 3, the installation hole modeling block 321 is arranged on the inner side of the end plate modeling block 32 to form the installation hole of the inlet and outlet line column, the recess modeling block 341 is arranged on the end of the bottom plate modeling core 34 to form the recess of the base, the insertion hole modeling column 311 is arranged on the end of the inner cavity modeling core 31 to form the insertion hole of the base, the through hole modeling rod 35 is arranged on the insertion hole modeling column 311 or the recess modeling block 341 to form the through hole of the base, the through hole modeling rod 35 is in abutment between the insertion hole modeling column 311 and the recess modeling block 341 during the mold closing, the demolding assembly 5 is arranged on the two end plate modeling blocks 32 and the two side plate modeling blocks 33, the demolding assembly 5 comprises the sliding demolding block 51 and the inclined guide column 52, the sliding demolding block 51 is arranged on the fixed mold and is fixed or integrated with the corresponding modeling block, the inclined guide column 52 is arranged on the movable mold, the inclined guide cavity 511 is arranged on the sliding demolding block 51 to insert the corresponding inclined guide column 52, the upper end of the inclined guide column is connected to the movable mold and the lower end is inserted into the inclined guide cavity 511, the inclined guide cavity 511 is inclined from top to bottom and away from the inner cavity modeling core 31, the inclined guide column 52 slides in the corresponding inclined guide cavity 511 and cooperates with the cavity wall of the inclined guide cavity to drive the modeling blocks to slide and approach the inner cavity modeling core 31 simultaneously to form the base cavity 3 during the mold closing, the inclined guide column 52 slides in the corresponding inclined guide cavity 511 and cooperates with the cavity wall of the inclined guide cavity to drive the modeling blocks to slide away from the inner cavity modeling core 31 during the mold opening, the pushing block 53 is arranged on the movable mold, the pushing block 53 is arranged on the inner side of the inner cavity modeling core 31 and is inclined, the pushing block 53 can push the modeling blocks to slide and approach the inner cavity modeling core 31 during the mold closing, the sliding demolding block 51 is in sliding fit with the corresponding modeling block, the inner side of the modeling block is the modeling surface, the insertion block 61 or the insertion groove 62 is arranged on the outer side of the modeling block, the insertion groove 62 or the insertion block 61 is arranged on the side of the sliding demolding block 51, the insertion block 61 is inserted into the insertion groove 62 in the up-down direction and realizes the connection and positioning of the sliding demolding block 51 and the corresponding modeling block in the horizontal direction, the insertion groove 62 is a T-shaped groove, the insertion block 61 is a T-shaped block, the four groups of sliding demolding blocks 51 slide in the corresponding sliding grooves 12 on the fixed mold, the four groups of sliding grooves 12 are distributed around the inner cavity modeling core 31, the four groups of sliding grooves are formed by the L-shaped sliding rails 121, the sliding demolding blocks 51 slide in the corresponding sliding grooves 12 to avoid the sliding deviation and limit the up-down movement of the sliding demolding blocks, the sliding grooves are arranged on the fixed mold plate.
[0041] The moving die 2 is further provided with a moving die plate 22, and two groups of moving die cores 21 are arranged on the moving die plate 22; the fixed die 1 is further provided with a fixed die plate 13, and two groups of fixed die cores 11 are arranged on the fixed die plate 13; the two groups of moving die cores 21 and the two groups of fixed die cores 11 are matched to form two groups of base cavities 3.
[0042] The moving die and the fixed die of the mold are arranged in a top-down mode, the main gate connected with the nozzle of the injection molding machine is arranged on the moving die, the main gate is connected with an injection flow channel, and the injection flow channel is communicated with the base cavity; the ejection mechanism and the upward ejection mechanism for the injection base are arranged on the fixed die.
[0043] When the mold is closed, the inclined guide pillars 52 are synchronously lowered with the moving die 2, the inclined guide pillars 52 slide downwards in the corresponding inclined guide cavities 511, and the inclined guide pillars 52 can drive the modeling blocks on the fixed die to slide towards the inner cavity molding die core 31 and cooperate with the base molding die core 34 to form the base cavity 3; the cavity is a cavity of a reverse buckling base with the molding inner cavity opening downwards, then the injection molding material is injected into the cavity through the nozzle, thereby the reverse buckling base is injection molded, the notches on the base are molded by the notch molding block 341, the insertion hole on the base is molded by the insertion hole molding column 311, and the through hole on the base is molded by the through hole molding rod 35;
[0044] When the mold is opened, the inclined guide pillars 52 are synchronously raised with the moving die 2, the inclined guide cavities 511 are inclined from top to bottom and away from the side of the inner cavity molding die core 31, the inclined guide pillars 52 slide upwards in the corresponding inclined guide cavities 511, and the inclined guide pillars 52 can drive the modeling blocks to slide away from the inner cavity molding die core 31, thereby the modeling blocks are away from the middle injection base, and then the reverse buckling base is upwardly ejected by the ejection mechanism.
[0045] It should be noted that, in the description of the utility model, all the directional indications (such as up, down, front, back, etc.) are only used to explain the relative position relationship, movement condition and the like between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directional indications also change accordingly.
[0046] In the description of the utility model, unless otherwise specified and limited, the terms "mounting", "connection", "coupling", "connection", "fixing" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
Claims
1. A conformal waterway mold comprising a fixed mold (1) and a movable mold (2), said mold being provided with a base cavity (3), characterized in that: The mold is further provided with an inner cavity molding core (31) for molding an inner cavity of the base, and a 3D printing conformal water channel (4) is arranged in the inner cavity molding core (31), wherein the conformal water channel (4) has multiple layers of cooling flow channels (41), and the water inlet ends of the cooling flow channels (41) are in communication with a water inlet flow channel (42), and the water outlet ends of the cooling flow channels (41) are in communication with a water outlet flow channel (43).
2. A conformable waterway mold in accordance with claim 1, wherein: The conformal water channel (4) is a double-layer cooling flow channel divided into upper and lower layers, the lower end of the water inlet flow channel (42) is used for water inlet, and the water inlet ends of the double-layer cooling flow channels (41) are respectively connected to the two sides of the upper end of the water inlet flow channel (42), the lower end of the water outlet flow channel (43) is used for water outlet, and the water outlet ends of the double-layer cooling flow channels (41) are respectively connected to the two sides of the upper end of the water outlet flow channel (43), the upper end of the water outlet flow channel (43) is located in the lower layer, and the upper cooling flow channel further has a water outlet section (411) extending to the lower layer and connected to the upper end of the water outlet flow channel (43).
3. A conformal waterway mold according to claim 1 or 2, wherein: The fixed mold (1) is provided with a fixed mold core (11), and the movable mold (2) is provided with a movable mold core (21), the fixed mold core (11) has an inner cavity molding core (31), end plate molding blocks (32) located at both ends of the inner cavity molding core (31), and side plate molding blocks (33) located at both sides of the inner cavity molding core, and the movable mold core (21) has a bottom plate molding core (34), the bottom plate molding core (34), the two end plate molding blocks (32) and the two side plate molding blocks (33) form a base shell cavity, and the inner cavity molding core (31) is located in the base shell cavity to form a base cavity (3).
4. A conformable waterway mold in accordance with claim 3, wherein: The inner sides of the two end plate molding blocks (32) are respectively provided with installation hole molding blocks (321) for molding wire column installation holes and outlet column installation holes, the two ends of the bottom plate molding core (34) are further provided with notched molding blocks (341) for molding notches on the base, the two ends of the inner cavity molding core (31) are further provided with jack molding columns (311) for molding jacks on the base, and the jack molding columns (311) or the notched molding blocks (341) are provided with through hole molding rods (35) for molding through holes on the base, and the through hole molding rods (35) abut between the jack molding columns (311) and the notched molding blocks (341) when the mold is closed.
5. A conformable waterway mold in accordance with claim 3, wherein: Both end plate molding blocks (32) and both side plate molding blocks (33) are equipped with demolding groups (5), the demolding groups (5) include slide demolding blocks (51) which are slidably arranged on the fixed mold and connected with the corresponding molding blocks, and inclined guide posts (52) arranged on the movable mold, each slide demolding block (51) has an inclined guide cavity (511) for the corresponding inclined guide post (52) to be inserted, and the inclined guide cavity (511) is inclined from top to bottom away from the inner cavity molding core (31) side, when the mold is closed, each inclined guide post (52) slides downward in the corresponding inclined guide cavity (511) and cooperates with the cavity wall of the inclined guide cavity to drive each molding block to slide close to the inner cavity molding core (31) at the same time, to form the base cavity (3); when the mold is opened, each inclined guide post (52) slides upward in the corresponding inclined guide cavity (511) and cooperates with the cavity wall of the inclined guide cavity to drive each molding block to slide away from the inner cavity molding core (31) at the same time.
6. A conformal waterway mold in accordance with claim 5, wherein: Four groups of slide demolding blocks (51) horizontally slide in the respective slide grooves (12) on the fixed mold, and the four groups of slide grooves (12) are distributed around the inner cavity molding core (31).
7. A conformable waterway mold in accordance with claim 5, wherein: The slide demolding block (51) is slidably inserted into the corresponding molding block, the inner side of the molding block is a molding surface, and an insertion block (61) or an insertion groove (62) is further arranged on the outer side of the molding block, the slide demolding block (51) is provided with an insertion groove (62) or an insertion block (61) on the side facing the corresponding molding block, the insertion block (61) is slidably inserted into the insertion groove (62) in the up-down direction, and the slide demolding block (51) and the corresponding molding block are connected and positioned in the horizontal direction.
8. A conformable waterway mold in accordance with claim 3, wherein: The movable mold (2) further has a movable mold plate (22), and two groups of movable mold cores (21) are arranged on the movable mold plate (22); the fixed mold (1) further has a fixed mold plate (13), and two groups of fixed mold cores (11) are arranged on the fixed mold plate (13); two groups of base cavities (3) are formed by the cooperation of the two groups of movable mold cores (21) and the two groups of fixed mold cores (11).