Sliding block inner core-pulling demolding mechanism of children bath barrel injection mold
By designing a core-pulling demolding mechanism inside the slider of a children's bathtub injection mold, and utilizing a core-pulling rod and spring reset assembly, the problem of low demolding efficiency during the molding process of children's bathtub injection molds was solved, achieving efficient demolding and energy-saving production.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-03-24
AI Technical Summary
Existing injection molds for children's bathtubs make it difficult to achieve efficient demolding during the process of molding the tub body and handle into one piece, and require a power unit, which increases energy consumption and cost.
Design a core-pulling and demolding mechanism for a children's bathtub injection mold slider. Utilizing a core-pulling rod, a push rod, and a spring reset assembly, the mechanism achieves the concealment and ejection of the handle molding block through the cooperation of an inclined slide and a slider. It is suitable for injection molding products that require raised edges and does not require a power unit.
It achieves efficient demolding of children's bath tubs, reduces energy consumption and manufacturing costs, and is suitable for injection molding needs of different products.
Smart Images
Figure CN224028275U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to children's bath bucket injection mold technical field, concretely is a children's bath bucket injection mold slider core-pulling demoulding mechanism. BACKGROUND
[0002] Children's bath bucket is a kind of bath container specially designed for children, usually used to provide safe, comfortable bathing environment for children in family. At present, when the barrel body of children's bath bucket is injection molded by mold, for the bath bucket needing handle on both sides of barrel body, the barrel body after injection molding is inverted, needs to use a core-pulling mechanism to solve barrel body and handle integrated injection molding, therefore, a kind of children's bath bucket injection mold slider core-pulling demoulding mechanism is proposed. SUMMARY
[0003] The utility model is to provide a kind of children's bath bucket injection mold slider core-pulling demoulding mechanism, to at least certain extent solve the above technical problems.
[0004] To achieve the above object, the utility model provides the following technical scheme: including rear mold body, mold core, the mold core is arranged in the forming cavity of the rear mold body, the rear mold body back middle part is inserted with the core-pulling rod extending to the inside of the mold core, the inside of the rear mold body is provided with the first spring reset component for resetting core-pulling rod, the inside of the mold core is limitedly slidably provided with two core-pulling push blocks, the one side of the core-pulling push block is provided with inclined slide, the inside of the core-pulling rod is provided with two symmetrical push rods, the other end of two push rods is respectively inserted in two inclined slide for pushing two core-pulling push blocks to move to two sides respectively, the other side of two core-pulling push blocks is provided with handle shaping block extending to the outside of two sides of the mold core, the inside of the mold core is provided with the second spring reset component for resetting core-pulling push block.
[0005] Preferably, the inside of the mold core is provided with core-pulling cavity, the inside of the mold core is provided with two sliding grooves located at the core-pulling cavity part, the bottom of two core-pulling push blocks is provided with sliding block inserted in the inside of the sliding groove and slidably arranged.
[0006] Preferably, the inside of the rear mold body is provided with reset cavity;
[0007] The first spring reset component includes push piece fixedly arranged on the outer wall of the core-pulling rod, and first reset spring in contact with the one end of the push piece and located in the inside of the core-pulling cavity.
[0008] Preferably, the second spring reset component includes two spring support blocks fixedly arranged at the edge of the push block and core-pulling cavity, and second reset spring supported between two spring support blocks.
[0009] Preferably, when the pushing piece is located at the tail end of the reset cavity, the two handle shaping blocks respectively extend outwardly by a required handle size distance through the mold core.
[0010] Preferably, when the second reset spring is in an initial state, the outer ends of the two handle shaping blocks are respectively completely hidden inside the mold core.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] 1、The utility model discloses a core pulling mechanism is used when the one end of core pulling rod is contacted with the tail end of the back mold, makes two pushing rods move to the relatively wide one end from the narrow one end of the core pulling pushing block inclined slide, makes two handle shaping blocks outside the mold core move to the inside of the mold core respectively, and the hidden handle shaping part is completed.
[0013] 2、The utility model discloses a core pulling mechanism is used when the back film body is cooperated with the back of the grinding tool frame to reach a core pulling effect, need not utilize power device, is more energy -conserving, and reduces manufacturing cost. DRAWINGS
[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing briefly introduces, obviously, the drawing in the following description only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0015] Figure 1 It is the back mold solid mechanism schematic diagram of this embodiment;
[0016] Figure 2 It is the core pulling mechanism cross section structure schematic diagram when injecting of this embodiment;
[0017] Figure 3 It is the core pulling mechanism cross section structure schematic diagram when demolding of this embodiment;
[0018] Figure 4 It is the core pulling pushing block inclined slide inclined direction structure schematic diagram of this embodiment;
[0019] Figure 5 It is the A enlarged structure schematic diagram in this embodiment Figure 2
[0020] Figure 6 It is the core pulling pushing block side surface structure schematic diagram of this embodiment.
[0021] In the drawings, the component list represented by each sign is as follows:
[0022] 1. rear mold body; 11, mold core; 111, core pulling cavity; 2, core pulling rod; 3, handle shaping block; 4, first spring reset assembly; 41, push piece; 42, first reset spring; 5, push rod; 6, core pushing block; 61, sliding block; 62, inclined slide; 7, reset cavity; 8, second spring reset assembly; 81, spring support block; 82, second reset spring. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. 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 scope of protection of the utility model.
[0024] Please refer to Figures 1-6 The utility model provides a kind of technical solutions: a child bath bucket injection mold sliding block inner core pulling demolding mechanism, including rear mold body 1, mold core 11, mold core 11 is set in the forming cavity of rear mold body 1, rear mold body 1 back middle part is inserted with the core pulling rod 2 extending to the inside of mold core 11, first spring reset assembly 4 for resetting core pulling rod 2 is set in the inside of rear mold body 1, two core pushing blocks 6 are limitingly arranged in the inside of mold core 11 and slide, one side of core pushing block 6 is provided with inclined slide 62, the inner end of core pulling rod 2 is provided with two symmetrical push rods 5, the other end of two push rods 5 is respectively inserted in two inclined slides 62 for pushing two core pushing blocks 6 to move to two sides respectively, the other side of two core pushing blocks 6 is provided with handle shaping block 3 extending to the outside of two sides of mold core 11, second spring reset assembly 8 for pushing core pushing block 6 reset is set in the inside of mold core 11;
[0025] After the child bath bucket injection molding of the shape of handle is needed, rear mold body 1 is moved to rear mold frame, one end of core pulling rod 2 is contacted with rear mold tail end, one end of core pulling rod 2 is moved to the inside of mold core 11, so that two push rods 5 are moved to the relatively wide end from the narrow end of the inclined slide 6262 of core pushing block 6, in the process of moving, two second reset springs 82 extruded together push two core pushing blocks 6 to reset and close together, so that two handle shaping blocks 3 located in the outside of mold core 11 are moved to the inside of mold core 11 respectively, the hiding of handle shaping part is completed, and the demolding mechanism of ejector is facilitated to demold child bath bucket, and the setting of the core pulling mechanism is suitable for the injection molding of child bath bucket with one edge needing protruding part, to meet the injection molding demand of different products.
[0026] Further preferably, the mold core 11 is internally provided with a core-pulling cavity 111, and the mold core 11 is internally provided with two sliding grooves located at the core-pulling cavity 111, and the bottom of each core-pulling push block 6 is provided with a sliding block 61 inserted into the sliding groove for limiting the parallel movement of the core-pulling push block 6.
[0027] The core-pulling cavity 111 internally provided in the mold core 11 is used for installing the core-pulling mechanism, and the sliding block 61 provided at the bottom of the core-pulling push block 6 is inserted into the sliding groove provided in the mold core 11, for limiting the parallel movement of the core-pulling push block 6.
[0028] Further preferably, the rear mold body 1 is internally provided with a reset cavity 7.
[0029] The first spring reset assembly 4 includes a push piece 41 fixedly provided on the outer wall of the core-pulling rod 2, and a first reset spring 42 in contact with one end of the push piece 41 and located in the core-pulling cavity 111.
[0030] The reset cavity 7 internally provided in the rear mold body 1 is used for installing the first reset spring 42, and limiting the movement distance of the push piece 41, so that the connected core-pulling rod 2 returns to the set position.
[0031] Further preferably, the second spring reset assembly 8 includes two spring support blocks 81 fixedly provided at the edge of the core-pulling push block and the core-pulling cavity 111, and a second reset spring 82 sleeved and supported between the two spring support blocks 81.
[0032] The two spring support blocks 81 are used for restricting the second reset spring 82 to be provided between the core-pulling push block 6 and the inner wall of the mold core 11, for pushing the core-pulling push block 6 to hide the handle shaping block 3 in the mold core 11.
[0033] Further preferably, when the push piece 41 is located at the tail end of the reset cavity 7, the two handle shaping blocks 3 respectively extend outwardly by the required handle size distance through the mold core 11.
[0034] The position of the push piece 41 connected with the core-pulling rod 2 is limited, so as to guarantee the outward extension distance of the handle shaping block 3.
[0035] Further preferably, in the initial state of the second reset spring 82, the outer ends of the two handle shaping blocks 3 are completely hidden in the mold core 11.
[0036] One specific application of the embodiment is: when the child bathtub with handle shape needs to be injection molded and demolded, the rear mold body 1 moves to the rear mold frame, one end of the core pulling rod 2 is in contact with the tail end, and the first reset spring 42 is squeezed together, the core pulling rod 2 moves to the inside of the mold core 11, the two push rods 5 move to the other end of the core pulling block 6, the two second reset springs 82 push the two core pulling blocks 6 to make the handle shaping block 3 hide in the mold core 11;
[0037] When injection molding, when the rear mold body 1 moves to the front mold, the core pulling rod 2 is separated from the tail end, the first reset spring 42 pushes the push piece 41 to move to the outer end, the outer end of the core pulling rod 2 extends outward, when the core pulling rod 2 drives the two push rods 5 to move from one end of the groove depth of the inclined slide 62 of the two core pulling blocks 6 to the shallow end, the two push rods 5 respectively push the two core pulling blocks 6 to the two sides, and the second reset spring 82 is squeezed together, so as to prepare for the next demolding, so that the two handle shaping blocks 3 respectively extend outward to the two sides of the mold core 11, and return to the position required for injection molding.
[0038] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.
[0039] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screw connection" and the like should be understood in a broad sense, for example, can be fixed connection, or can be detachable connection, or can be integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning of the specific situation by the ordinary skilled in the art.
[0040] Although the embodiments of the utility model have been shown and described, it can be understood by the ordinary skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A core-pulling and demolding mechanism for a children's bathtub injection mold slider, comprising a rear mold body (1) and a mold core (11), wherein the mold core (11) is disposed in the molding cavity of the rear mold body (1), characterized in that: The rear mold body (1) has a core-pulling rod (2) inserted into the middle part of the back side, extending into the mold core (11). The rear mold body (1) has a first spring reset assembly (4) for resetting the core-pulling rod (2). The mold core (11) has two core-pulling push blocks (6) with limited sliding arrangement. One side of the core-pulling push block (6) has an inclined slide (62). The inner end of the core-pulling rod (2) has two symmetrical push rods (5). The other ends of the two push rods (5) are respectively inserted into the two inclined slides (62) to push the two core-pulling push blocks (6) to move to both sides respectively. The other side of the two core-pulling push blocks (6) has a handle shaping block (3) extending to the outside of both sides of the mold core (11). The mold core (11) has a second spring reset assembly (8) for pushing the core-pulling push block (6) to reset.
2. The core-pulling and demolding mechanism inside the slider of a children's bathtub injection mold according to claim 1, characterized in that: The mold core (11) has a core-pulling cavity (111) inside. The mold core (11) has two sliding grooves located in the core-pulling cavity (111). The bottom of the two core-pulling push blocks (6) is provided with a slider (61) that slides inside the sliding groove.
3. The core-pulling and demolding mechanism inside the slider of a children's bathtub injection mold according to claim 2, characterized in that: The rear mold body (1) has a reset cavity (7) inside. The first spring reset assembly (4) includes a push plate (41) fixedly disposed on the outer wall of the core-pulling rod (2), and a first reset spring (42) that contacts one end of the push plate (41) and is located inside the core-pulling cavity (111).
4. The core-pulling and demolding mechanism inside the slider of a children's bathtub injection mold according to claim 1, characterized in that: The second spring reset assembly (8) includes two spring support blocks (81) fixedly disposed at the edge of the push block and the core-pulling cavity (111), and a second reset spring (82) sleeved and supported between the two spring support blocks (81).
5. The core-pulling and demolding mechanism inside the slider of a children's bathtub injection mold according to claim 3, characterized in that: When the pusher (41) is located at the tail end of the reset cavity (7), the two handle shaping blocks (3) extend outward through the mold core (11) to the required handle size distance.
6. The core-pulling and demolding mechanism inside the slider of a children's bathtub injection mold according to claim 4, characterized in that: When the second reset spring (82) is in its initial state, the outer ends of the two handle shaping blocks (3) are completely hidden inside the mold core (11).