Forming mold for demolding inclined rod

The inclined bar demolding mold solves the problem of difficult demolding when the product is ejected in a straight line by the design of the inclined bar and the ejector bar, and realizes an efficient and stable product demolding process.

CN223671749UActive Publication Date: 2025-12-16DONGGUAN YOUMAI ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202423323255.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-16
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing molded products are difficult to demold smoothly by straight ejection after molding, resulting in low production efficiency.

Method used

The molding die design employs a slanted rod ejection mechanism. Through the cooperation of the slanted rod and the ejector rod, the product is ejected at an angle, preventing the undercut structure from sticking to the inner wall of the undercut cavity and ensuring smooth demolding.

Benefits of technology

It improves the demolding efficiency of molded products, avoids product deformation, and enhances the stability and efficiency of production.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of moulds, and particularly relates to a forming mould for demoulding inclined rods, which comprises an ejection mechanism, a plurality of inclined rods, an ejection rod, a lower mould plate, a lower mould core, an upper mould core and an upper mould plate, the lower mould core is arranged in the lower mould plate, the upper mould core is arranged on the top side of the lower mould core and is arranged in the upper mould plate, the lower mould core and the upper mould core form a mould cavity, an inclined hole is arranged in the lower mould core, and the ejection rod is arranged in the inclined hole. The inclined hole communicates with the die cavity; a supporting plate of the ejection mechanism is connected with an ejection rod and a plurality of inclined rods, one end of the ejection rod penetrates through the lower mold plate to abut against the upper mold plate, one end of each inclined rod penetrates through the upper mold plate and is arranged in an inclined hole, and the inclined rods, the ends of the inclined holes and the mold cavity form corresponding inverted buckling cavities; the end, connected with the ejection mechanism supporting plate, of the inclined rod is further provided with an inclined rod base, the bottom of the inclined rod base is fixedly arranged on the ejection mechanism, a sliding groove is formed in the top of the inclined rod base, and the inclined rod slides in the sliding groove through a sliding block. In the demolding process, the inclined rod moves upwards, so that the inverted buckle part of the product moves in the inclined direction of the inclined rod to be ejected out of the lower mold core, and the situation that the product is adhered to the lower mold core and cannot be smoothly demolded or deformed is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to mould technical field especially relates to a forming die of inclined rod demoulding. BACKGROUND

[0002] In the mould product, for realizing the installation and dismounting of subsequent mould product, generally will process corresponding reverse buckle on the product, although the mould product with reverse buckle is convenient for the dismounting of product, but its forming demoulding is difficult to take out, the traditional demoulding mode generally adopts the product with reverse buckle structure to the direction of opening and closing mould straight line ejection, the straight line ejection mode is difficult to guarantee the smooth demoulding and integrity of mould product, needs to adopt manual or mechanical hand to take out and so on corresponding measures to assist to complete, reduces production efficiency. UTILITARY MODEL CONTENT

[0003] The utility model discloses a kind of forming die of inclined rod demoulding, solve the problem that the reverse buckle product is straight line ejection when the demoulding of existing mould, product cannot guarantee smooth demoulding, reduce production efficiency.

[0004] To achieve the above object, the utility model embodiment provides a kind of forming die of inclined rod demoulding, including ejection mechanism, multiple inclined rods, jack, lower die plate, lower die core, upper die core and upper die plate, the lower die core is located on the lower die plate by first locking member, the upper die core is installed on the top side of the lower die core, and is located on the upper die plate by second locking member, the lower die core and upper die core form a mold cavity, the inclined hole is provided in the lower die core, and the inclined hole is communicated with the mold cavity;The bracket of the ejection mechanism is connected with jack and multiple inclined rods, one end of the jack is penetrated through the lower die plate and the upper die plate, one end of the inclined rod is penetrated through the upper die plate and located in the inclined hole, and multiple inclined rods are respectively formed with corresponding reverse buckle cavity with the end of inclined hole and mold cavity;One end of the inclined rod connected with the bracket of the ejection mechanism is further provided with inclined rod seat, the bottom of the inclined rod seat is fixedly arranged on the ejection mechanism, and the top is provided with sliding groove, and the inclined rod slides in the sliding groove through sliding block.

[0005] Further, the sliding block is fixedly connected with the side wall of the inclined rod through pin, and the sliding groove is provided with groove downward, and the bottom end of the inclined rod is slidably arranged in the groove.

[0006] Further, the bottom side of the lower die plate is provided with guide block, the guide block is provided with inclined guide groove, and the guide groove guides the movement of the inclined rod.

[0007] Further, the jack is provided with four, and is arranged at the periphery of the lower die plate respectively, the spring is sleeved on the jack, one end of the spring is connected with the bracket, and the other end is arranged in the lower die plate.

[0008] Further, the ejection mechanism is arranged on a lower die base, a guide rod is arranged on the top side of the lower die base, and a guide sleeve is arranged in the upper die plate, the guide rod passes through the lower die plate and is slidably connected in the guide sleeve.

[0009] Further, a first positioning member is detachably arranged on the periphery of the lower die plate, the first positioning member is provided with a positioning block protruding upward, a second positioning member is correspondingly arranged on the upper die plate, the second positioning member is provided with a positioning hole opening towards the positioning block, the positioning block is inserted into the positioning hole to position the upper die plate and the lower die plate.

[0010] Further, the two sides of the positioning block connecting the first positioning member are provided with first clearance holes recessed downward, and the two sides of the end of the positioning hole away from the opening are provided with second clearance holes.

[0011] Further, a top plate is fixedly arranged on the top side of the upper die plate, the top plate is provided with an injection port, the upper die plate and the upper die core are provided with an injection channel, the lower die core is further provided with a through groove, the two ends of the through groove are connected with the two die cavities, and the two ends of the injection channel are respectively communicated with the injection port and the through groove.

[0012] Further, the upper die plate and the lower die plate are both provided with a cooling pipe, the cooling pipe is arranged in the upper die core and the lower die core, and the cooling pipe is connected with a cooling liquid.

[0013] The one or more technical solutions in the forming die with the inclined rod demolding provided by the embodiment of the utility model have at least the following technical effects:

[0014] When the ejection mechanism pushes the inclined rod and the top rod to move upward, the top rod pushes the upper die plate to move upward, the inclined rod drives the product provided with the undercut to move upward, the upper die plate drives the upper die core to move upward to separate the upper die core from the lower die core, and the product from the lower die core; the top rod pushes the upper die plate to move upward, the inclined rod slides in the inclined rod seat to separate the product from the upper die core to realize demolding. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0016] Figure 1 It is a perspective view of the forming die with the inclined rod demolding provided by the embodiment of the utility model.

[0017] Figure 2 The utility model provides a front view of the forming die of the inclined rod demolding.

[0018] Figure 3 The utility model provides a forming die of the inclined rod demolding Figure 2 Sectional view along B - B direction.

[0019] Figure 4 The utility model provides a forming die of the inclined rod demolding Figure 2 Sectional view along C - C direction.

[0020] Figure 5 The utility model provides a forming die of the inclined rod demolding Figure 2 The enlarged view of A in the middle.

[0021] Figure 6 The utility model provides a stereogram of the forming die of the inclined rod demolding omitting the upper die plate, upper die and lower die plate.

[0022] In the figure, 100, ejection mechanism, 110, backing plate;

[0023] 200, inclined rod, 210, inclined rod seat, 211, sliding groove, 212, sliding block, 213, recess;

[0024] 300, ejector rod, 310, spring;

[0025] 400, lower die plate, 410, lower die, 411, inclined hole, 412, through slot, 420, die cavity, 421, reverse buckle cavity, 430, guide block, 431, guide groove, 440, first positioning piece, 441, positioning block, 442, first avoidance hole;

[0026] 500, upper die plate, 510, upper die, 520, guide sleeve, 530, top plate, 531, injection port, 540, injection channel, 550, cooling pipe, 560, second positioning piece, 561, positioning hole, 562, second avoidance hole;600, lower die seat, 610, guide rod. DETAILED DESCRIPTION

[0027] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the embodiments of the utility model, and cannot be understood as the limitation of the utility model.

[0028] In the description of the embodiments of the utility model, it is understood that the directions or position relations indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the directions or position relations shown in the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, be constructed in a specific direction and be operated, and therefore cannot be understood as limiting the utility model.

[0029] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0030] In the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or can be integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled persons in the art, the specific meanings of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0031] In one embodiment of the forming die of the inclined rod demolding, please refer to Figures 1-6 The forming die of the inclined rod demolding comprises an ejection mechanism 100, a plurality of inclined rods 200, a ejector rod 300, a lower die plate 400, a lower die core 410, an upper die core 510, and an upper die plate 500, the lower die core 410 is arranged on the lower die plate 400 through a first locking member, the upper die core 510 is installed on the top side of the lower die core 410 and arranged on the upper die plate 500 through a second locking member, a mold cavity 420 is formed between the lower die core 410 and the upper die core 510, the inclined hole 411 is arranged in the lower die core 410 and communicates with the mold cavity 420. The support plate 110 of the ejection mechanism is connected with the ejector rod 300 and the plurality of inclined rods 200, the other end of the ejector rod 300 penetrates through the lower die plate 400 and abuts against the upper die plate 500, one end of the inclined rod 200 penetrates through the upper die plate 500 and is arranged in the inclined hole 411, and the plurality of inclined rods 200 form corresponding undercut cavities 421 with the end of the inclined hole 411 and the mold cavity 420 respectively. The end of the inclined rod 200 connected with the support plate 110 of the ejection mechanism is further provided with an inclined rod seat 210, the bottom of the inclined rod seat 210 is fixedly arranged on the ejection mechanism 100, the top of the inclined rod seat 210 is provided with a sliding groove 211, and the inclined rod 200 slides in the sliding groove 211 through a sliding block 212.

[0032] Specifically, when the ejection mechanism 100 pushes the inclined rod 200 and the ejector rod 300 to move upward, the ejector rod 300 pushes the upper die plate 500 to move upward, the inclined rod 200 drives the product provided with the undercut to move upward, the upper die plate 500 drives the upper die core 510 to move upward to separate the upper die core 510 from the lower die core 410, and the product is separated from the lower die core 410. The ejector rod 300 pushes the upper die plate 500 to move upward, and the inclined rod 200 slides in the inclined rod seat 210 to separate the product from the upper die core 510 to achieve demolding. During the demolding process, the inclined rod 200 moves upward to move the undercut part of the product along the inclined direction of the inclined rod 200 to eject the lower die core 410, thereby avoiding the undercut structure from being bonded to the inner wall of the undercut cavity 421, which affects the demolding or deformation of the product.

[0033] Further, the slider 212 is fixedly connected to the side wall of the inclined rod 200 through a pin, and the sliding groove 211 is provided with a groove 213 downward, and the bottom end of the inclined rod 200 is slidably arranged in the groove 213. Specifically, the bottom end of the inclined rod 200 is slidably arranged in the groove 213, and the slider 212 is slidably arranged in the sliding groove 211 on the side wall of the inclined rod, so that when the ejection mechanism 100 pushes the inclined rod seat 210 and the inclined rod 200 to move upward, the inclined rod 200 only moves in the front and back directions of the groove 213, and will not be displaced in the left and right directions of the groove 213, thereby preventing the product from being deformed by force in the left and right directions during demolding.

[0034] Further, the bottom side of the lower die plate 400 is provided with a guide block 430, the guide block 430 is provided with an inclined guide groove 431, and the guide groove 431 guides the movement of the inclined rod 200. Specifically, the guide groove 431 is matched with the outer shape of the inclined rod 200, and by replacing the guide block 430 provided with the guide groove of different angles on the bottom side of the lower die plate 400, the inclination angle of the inclined rod 200 can be adjusted, which is suitable for the molding and ejection of products with similar undercut structures, and improves the work efficiency.

[0035] Further, the ejector rod 300 is provided with four, which are respectively arranged on the four sides of the lower die plate 400, the ejector rod 300 is sleeved with a spring 310, one end of the spring 310 is connected to the supporting plate 110, and the other end is arranged in the lower die plate 400. Specifically, the four ejector rods 300 push the upper die plate 500 to stably move upward, and the spring 310 buffers the ejector rod 300.

[0036] Further, it also includes a lower die seat 600, the ejection mechanism 100 is arranged in the lower die seat 600, the top side of the lower die seat 600 is provided with a guide rod 610, and the lower die plate 400 is provided with a guide sleeve 520, and the guide rod 610 penetrates through the lower die plate 400 and is slidably connected in the guide sleeve 520. Specifically, when the ejection mechanism 100 pushes the ejector rod 300 to move upward to lift the upper die plate 500, the guide rod 610 guides the movement direction of the ejector rod 300 to prevent the upper die plate 500 from being deviated during demolding.

[0037] Further, the outer periphery of the lower mold plate 400 is provided with a first detachable positioning member 440, the first positioning member 440 is provided with a positioning block 441 protruding upward, the upper mold plate 500 is correspondingly provided with a second detachable positioning member 560, the second positioning member 560 is provided with a positioning hole 561 opening toward the positioning block, the positioning block 441 is inserted into the positioning hole 561, and the upper mold plate 500 and the lower mold plate 400 are positioned. Specifically, the ejection mechanism 100 drives the ejector rod 300 to move downward, drives the upper mold plate 500 to move downward, and when the positioning block 441 is stably inserted into the positioning hole 561, the accurate positioning of the upper mold plate 500 and the lower mold plate 400 is ensured, and then the forming precision of the product is ensured.

[0038] Further, the positioning block 441 connected to the two sides of the first positioning member 440 is provided with a first clearance hole 442 recessed downward, and the two sides of the end portion away from the opening of the positioning hole 561 are provided with a second clearance hole 562. Specifically, the first clearance hole 442 and the second clearance hole 562 avoid the rigid collision of the free end points of the first positioning member 440 and the second positioning member 560, and reduce the abrasion.

[0039] Further, the top plate 530 is fixedly arranged on the top side of the upper mold plate 500, the top plate 530 is provided with an injection port 531, the upper mold plate 500 and the upper mold core 510 are provided with an injection channel 540, and the lower mold core 410 is further provided with a through groove 412 connected to the two mold cavities 420 at both ends. The injection channel 540 is respectively communicated with the injection port 531 and the through groove 412 at both ends. Specifically, the hot melt flows from the injection port 531, flows through the injection channel 540 into the through groove 412 of the lower mold core, and then flows from the through groove 412 to the mold cavities 420 at both ends, so that the mold is injection molded to form two products at a time, and the production efficiency is improved.

[0040] Further, the upper mold plate 500 and the lower mold plate 400 are both provided with a cooling pipe 550, the cooling pipe 550 is arranged in the upper mold core 510 and the lower mold core 410, and the cooling pipe 550 is connected with a cooling liquid. Specifically, the cooling pipe 550 is connected with the cooling liquid, so that the cooling liquid flows in the cooling pipe 550 and passes through the upper mold core 510 and the lower mold core 410, carries away the heat emitted by the hot melt, and accelerates the efficiency of product forming.

[0041] The above is only a preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A slant-rod demolding forming mold characterized by: The ejection mechanism, a plurality of inclined rods, a top rod, a lower die plate, a lower die core, an upper die core and an upper die plate, the lower die core is provided on the lower die plate by a first locking member, the upper die core is installed on the top side of the lower die core and is provided on the upper die plate by a second locking member, a mold cavity is formed between the lower die core and the upper die core, an inclined hole is provided in the lower die core, and the inclined hole is communicated with the mold cavity; the ejection mechanism's supporting plate is connected with the top rod and a plurality of inclined rods, the other end of the top rod penetrates through the lower die plate and abuts against the upper die plate, one end of the inclined rod penetrates through the upper die plate and is arranged in the inclined hole, and a plurality of inclined rods form corresponding reverse buckle cavities with the end of the inclined hole and the mold cavity respectively; one end of the inclined rod connected with the ejection mechanism's supporting plate is further provided with an inclined rod seat, the bottom of the inclined rod seat is fixedly arranged on the ejection mechanism, and the top is provided with a sliding groove, and the inclined rod slides in the sliding groove through a sliding block.

2. The angled rod demolding forming mold of claim 1, wherein: The sliding block is fixedly connected with the side wall of the inclined rod through a pin, the sliding groove is downwardly provided with a groove, and the bottom end of the inclined rod is slidably arranged in the groove.

3. The angled rod demolding forming mold of claim 1, wherein: The bottom side of the lower die plate is provided with a guide block, the guide block is provided with an inclined guide groove, and the guide groove guides the movement of the inclined rod.

4. A tilt-lever demolding mold according to any one of claims 1 to 3, characterized in that: The top rod is provided with four, which are arranged around the lower die plate, a spring is sleeved on the top rod, one end of the spring is connected with the supporting plate, and the other end is arranged in the lower die plate.

5. The angled rod demolding forming mold of claim 4, wherein: Further comprising a lower die seat, the ejection mechanism is arranged on the lower die seat, the top side of the lower die seat is provided with a guide rod, the upper die plate is provided with a guide sleeve, and the guide rod penetrates through the lower die plate and is slidably connected in the guide sleeve.

6. The angled rod demolding forming mold of claim 5, wherein: The outer periphery of the lower die plate is provided with a detachable first positioning member, the first positioning member is provided with a positioning block protruding upward, the upper die plate is correspondingly provided with a detachable second positioning member, the second positioning member is provided with a positioning hole opening towards the positioning block, the positioning block is inserted into the positioning hole, and the upper die plate and the lower die plate are positioned.

7. A sloping rod demolding forming mold according to claim 6, characterized by: The two sides of the positioning block connected with the first positioning member are provided with a first air avoidance hole recessed downward, and the two sides of the end portion of the positioning hole away from the opening are provided with a second air avoidance hole.

8. The angled rod demolding forming mold of claim 1, wherein: Further comprising a top plate, the top plate is fixedly arranged on the top side of the upper die plate, the top plate is provided with an injection port, the upper die plate and the upper die core are provided with an injection channel, the lower die core is further provided with a through groove, the two ends of the through groove are connected with two mold cavities, and the two ends of the injection channel are respectively communicated with the injection port and the through groove.

9. The angled rod demolding forming mold of claim 8, wherein: The upper die plate and the lower die plate are both provided with a cooling pipe, the cooling pipe is arranged in the upper die core and the lower die core, and the cooling pipe is connected with a cooling liquid.