Folding spoon injection mold

By introducing molding, guiding, and delay mechanisms into the injection mold of the folding spoon, the problems of damage caused by the handle sticking to the slide during mold opening and the unsmooth demolding were solved, achieving stable separation and efficient demolding of the product.

CN224044482UActive Publication Date: 2026-03-27ZHUHAI CPT PRECISION MOLD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The handle of a folding spoon is prone to sticking to the mold slide when the mold is opened, which can cause damage to the handle and make demolding difficult, thus affecting demolding efficiency.

Method used

By employing a molding mechanism, a guiding mechanism, and a delay mechanism, and through the fixed connection between the insert and the slide seat, combined with the sliding cooperation of the inclined guide pillar and the ejector pin, stable separation and demolding of the product are achieved, preventing the product from sticking to the insert and improving the smoothness of demolding.

Benefits of technology

It improves the smoothness and efficiency of folding spoon demolding, reduces the possibility of product damage, and enhances the stability and reliability of the mold.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a folding spoon injection mold which comprises a forming mechanism, a guide mechanism and a delay mechanism, the forming mechanism comprises a front mold core, a rear mold core and a slide assembly, the slide assembly comprises a slide seat and an insert, the insert is fixedly connected to the slide seat, and a mold cavity is defined by the front mold core, the rear mold core and the insert; the guide mechanism comprises a shovel base and an inclined guide column, the shovel base is fixedly connected with the front mold core, the inclined guide column is fixedly connected to the shovel base, the inclined guide column is arranged in the slide seat in a penetrating manner, and the shovel base is provided with a plane; the delay mechanism comprises an ejector rod and an elastic piece, the ejector rod penetrates through the slide seat and the insert, one end of the ejector rod is slidably connected to the plane, the other end of the ejector rod can abut against the product, the ejector rod is provided with a sliding part, the slide seat is provided with a sliding groove, the sliding part is slidably connected to the sliding groove, and the two ends of the elastic piece abut against the sliding part and the slide seat respectively. According to the folding spoon injection mold disclosed by the utility model, the mold stripping smoothness of the spoon can be improved, and the mold stripping efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, especially relates to a folding spoon injection mold. BACKGROUND

[0002] Folding spoon is common injection part, the handle of spoon is folding setting, wherein the folding position strength of handle is weak, the handle is easy to stick on the line position when the mold is opened, leading to the handle of spoon is easy to be damaged, and the handle position of spoon is unstable, so that the spoon is easy to shake when ejection, leading to the ejection of spoon is not smooth, influence ejection efficiency. SUMMARY

[0003] The utility model discloses at least solve one of the prior art technical problems, for this, the utility model provides a folding spoon injection mold, can improve the ejection smoothness of spoon, improve ejection efficiency.

[0004] The folding spoon injection mold according to the first aspect embodiment of the utility model, including forming mechanism, guiding mechanism and delay mechanism, the forming mechanism includes front die, rear die and line position subassembly, the line position subassembly includes line position seat and insert, the insert is fixedly connected in the line position seat, the front die, the rear die and the insert surround the mold cavity, and the mold cavity is used for forming product;The guiding mechanism includes spade base and inclined guide column, the spade base is fixedly connected with the front die, the inclined guide column is fixedly connected in the spade base, and the inclined guide column is arranged in the line position seat, and the spade base is provided with plane;The delay mechanism includes the top rod and elastic part, the top rod is arranged in the line position seat and the insert, one end of the top rod is slidably connected in the plane, the other end of the top rod can be abutted with the product, the top rod is provided with sliding part, the line position seat is opened in the sliding groove, the sliding part is slidably connected in the sliding groove, the elastic part is arranged in the sliding groove, and the both ends of the elastic part are respectively abutted with the sliding part and the line position seat.

[0005] The folding spoon injection mold has at least the following beneficial effects: the insert is fixedly connected to the row seat, the front mold core, the rear mold core and the insert enclose a mold cavity, so that the product can be formed in the mold cavity; the shovel base is fixedly connected to the front mold core, the inclined guide post is fixedly connected to the shovel base and is arranged in the row seat, the ejector rod is arranged in the row seat and the insert, the ejector rod is provided with a sliding part, the row seat is provided with a sliding groove, the sliding part can slide in the sliding groove, the elastic piece is arranged in the sliding groove and the two ends of the elastic piece are respectively in abutment with the sliding part and the row seat, and the elastic piece can drive the ejector rod to abut on the plane.

[0006] According to some embodiments of the utility model, the end of the ejector rod close to the plane is provided with a guide part, and the guide part is in a semispherical shape.

[0007] According to some embodiments of the utility model, the forming mechanism further comprises a first connecting plate, the front mold core and the shovel base are fixedly connected to the first connecting plate, and the row seat is fixedly connected with a first wear plate which can abut against the first connecting plate.

[0008] According to some embodiments of the utility model, the forming mechanism further comprises a second connecting plate, the rear mold core is fixedly connected to the second connecting plate, the second connecting plate is fixed with a second wear plate which can abut against the row seat.

[0009] According to some embodiments of the utility model, the forming mechanism further comprises two guide blocks, the two guide blocks are fixedly connected to the second connecting plate, and the row seat is slidingly connected between the two guide blocks.

[0010] According to some embodiments of the utility model, the guide mechanism further comprises a limiting block and a limiting rod, the limiting block is fixedly connected to the second connecting plate, the limiting block is provided with an open slot, the limiting rod is fixedly connected to the row seat, and the limiting rod can be clamped into the open slot.

[0011] According to some embodiments of the utility model, the end shape of the opening groove is set as a taper shape to guide the limiting rod to slide into the opening groove.

[0012] According to some embodiments of the utility model, the guide mechanism further comprises a stopper, the stopper is fixedly connected to the second connecting plate, and the row seat can abut against the stopper.

[0013] According to some embodiments of the utility model, the guide mechanism further comprises an ejection assembly, the ejection assembly comprises a movable plate and a plurality of ejector pins, the plurality of ejector pins are all fixedly connected to the movable plate, and the ejector pins can extend into the mold cavity.

[0014] According to some embodiments of the utility model, the front die core, the rear die core, the row seat and the insert are all provided with a plurality of cooling water channels, and the cooling water channels are used for passing cooling water.

[0015] Additional aspects and advantages of the utility model will be partially given in the following description, partially will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further explained in combination with the drawings and embodiments, wherein:

[0017] Figure 1 It is the schematic view of folding spoon injection mold of the utility model embodiment;

[0018] Figure 2 It is the sectional view of folding spoon injection mold of the utility model embodiment Figure 1 ;

[0019] Figure 3 It is the A place partial close -up drawing of Figure 2 ;

[0020] Figure 4 It is the sectional view of folding spoon injection mold of the utility model embodiment Figure 1 ;

[0021] Figure 5 It is the schematic view of limiting block of folding spoon injection mold of the utility model embodiment;

[0022] Figure 6 It is the product schematic view of the utility model embodiment.

[0023] REFERENCE NUMERALS:

[0024] Forming mechanism 100, front die 110, back die 120, row bit assembly 130, row bit seat 131, insert 132, sliding groove 133, first wear plate 134, mold cavity 140, first connecting plate 150, second connecting plate 160, second wear plate 161, guide block 170, cooling water channel 180;

[0025] Guide mechanism 200, shovel base 210, plane 211, inclined guide column 220, limit block 230, open slot 231, limit rod 240, stop block 250, ejection assembly 260, movable plate 261, ejector pin 262;

[0026] Delay mechanism 300, ejector rod 310, sliding part 311, guide part 312, elastic member 320;

[0027] Spoon body 410, handle 420. DETAILED DESCRIPTION

[0028] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0029] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.

[0030] In the description of the present application, the meaning of several is one or more, and the meaning of multiple is more than two, greater than, less than, more than, etc. are understood as not including the number, and above, below, etc. are understood as including the number. If it is described as first, second, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0031] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application according to the specific content of the technical scheme.

[0032] It can be understood that the description of the present application refers to Figures 1 to 4The utility model discloses a folding spoon injection mold, including forming mechanism 100, guiding mechanism 200 and delay mechanism 300, and forming mechanism 100 includes front die 110, rear die 120 and line position subassembly 130, and line position subassembly 130 includes line position seat 131 and insert 132, and insert 132 is fixedly connected in line position seat 131, and front die 110, rear die 120 and insert 132 enclose die cavity 140, and die cavity 140 is used for forming product, guiding mechanism 200 includes shovel base 210 and inclined guide pillar 220, and shovel base 210 is fixedly connected with front die 110, and inclined guide pillar 220 is fixedly connected in shovel base 210, and inclined guide pillar 220 is arranged in line position seat 131, and shovel base 210 is provided with plane 211, delay mechanism 300 includes jackscrew 310 and elastic part 320, and jackscrew 310 is arranged in line position seat 131 and insert 132, and one end of jackscrew 310 is slidably connected in plane 211, and the other end of jackscrew 310 can abut with product, and jackscrew 310 is provided with sliding part 311, and line position seat 131 is provided with sliding slot 133, and sliding part 311 is slidably connected in sliding slot 133, and elastic part 320 is arranged in sliding slot 133, and the both ends of elastic part 320 are respectively abutted with sliding part 311 and line position seat 131.

[0033] The insert 132 is fixedly connected to the row seat 131, the front die core 110, the rear die core 120 and the insert 132 surround the mold cavity 140, so that the product can be formed in the mold cavity 140. The shovel base 210 is fixedly connected with the front die core 110, the inclined guide column 220 is fixedly connected with the shovel base 210, and the inclined guide column 220 is arranged in the row seat 131, the ejector rod 310 is arranged in the row seat 131 and the insert 132, the ejector rod 310 is provided with a sliding part 311, the row seat 131 is provided with a sliding groove 133, and the sliding part 311 can slide in the sliding groove 133, so that the movement of the ejector rod 310 is stable and smooth, and the position deviation of the ejector rod 310 is reduced. The elastic member 320 is arranged in the sliding groove 133, and the two ends of the elastic member 320 respectively abut against the sliding part 311 and the row seat 131, and the ejector rod 310 can be driven to abut against the plane 211 through the elastic member 320. When the front die core 110 is separated from the rear die core 120, the shovel base 210 and the inclined guide column 220 move synchronously with the front die core 110, so that the inclined guide column 220 can drive the row seat 131 and the insert 132 to move away from the rear die core 120, and the ejector rod 310 slides on the plane 211, so that the position of the ejector rod 310 remains stable, thereby enabling the insert 132 to be separated from the product, the ejector rod 310 can press the product on the front die core 110 when the insert 132 is separated from the product, the product is prevented from being stuck on the insert 132, and the product is prevented from being damaged, then the ejector rod 310 is separated from the plane 211, so that the ejector rod 310 can be separated from the product, and the product can be easily output from the mold cavity 140. The sliding part 311 and the sliding groove 133 cooperate to enable the ejector rod 310 to move stably, so that the product can be pressed by the ejector rod 310 when the product is ejected, the product is prevented from being stuck on the insert 132, the possibility of product damage is reduced, and the ejection smoothness is improved.

[0034] The raw materials are injected into the mold cavity 140, so that the product can be formed in the mold cavity 140, then the front die core 110 and the shovel base 210 are driven to rise, so that the inclined guide column 220 can drive the row seat 131 to move away from the rear die core 120, so that the insert 132 can be separated from the product. The ejector rod 310 slides on the plane 211, so that the position of the ejector rod 310 remains, thereby enabling the ejector rod 310 to press the product on the front die core 110, preventing the product from being stuck on the insert 132 when the insert 132 retreats, and preventing the position of the product from shaking, thereby preventing the product from being damaged when the mold is opened. Then the ejector rod 310 is separated from the plane 211, the inclined guide column 220 drives the row seat 131 to continue to retreat, so that the ejector rod 310 can be separated from the product, so that the insert 132 and the ejector rod 310 are sequentially separated from the product, the contact area with the product can be gradually reduced, the possibility of the product being stuck on the insert 132 or the ejector rod 310 is reduced, the ejection stability of the product is improved, and the yield is improved.

[0035] It should be noted that the above description refers to the accompanying drawings Figure 2 and Figure 6The product includes a spoon body 410 and a handle 420, and the handle 420 is rotationally connected to the spoon body 410. When the mold is opened, the front mold core 110 is separated from the rear mold core 120, so that the spoon body 410 can be exposed, and the ejector rod 310 can press the handle 420 on the front mold core 110, avoiding the shaking of the position of the handle 420, and then the front mold core 110 and the ejector rod 310 are separated from the handle 420, facilitating the smooth ejection of the product and improving the stability of the output.

[0036] It can be understood that, referring to Figure 2 and Figure 3 , the end of the ejector rod 310 close to the plane 211 is provided with a guide portion 312, and the shape of the guide portion 312 is set as a semispherical shape. The guide portion 312 is arranged at the end of the ejector rod 310, and the guide portion 312 can abut on the plane 211, so that the guide portion 312 can slide on the plane 211. By setting the semispherical guide portion 312, the frictional resistance and the jamming in the sliding process can be reduced, so that the ejector rod 310 can slide more smoothly on the plane 211. This not only helps to prolong the service life of the shovel base 210 and the ejector rod 310, but also enables the ejector rod 310 to accurately and stably press the product on the front mold core 110 during the opening of the mold, reduces the shaking of the position of the product, reduces the risk of damage to the product, improves the ejection efficiency and the product quality.

[0037] In addition, the semispherical guide portion 312 can enable the ejector rod 310 to smoothly contact or separate from the shovel base 210. By the guide portion 312, the movement trajectory of the mold during the opening and closing process can be accurately guided, the opening and closing stability of the mold is enhanced, the collision and damage of the shovel base 210 and the ejector rod 310 are prevented, and the reliability is improved.

[0038] It can be understood that, referring to Figures 1 to 3 , the forming mechanism 100 further includes a first connecting plate 150, and the front mold core 110 and the shovel base 210 are fixedly connected to the first connecting plate 150. The row seat 131 is fixedly connected with a first wear-resistant plate 134, and the first wear-resistant plate 134 can abut on the first connecting plate 150. The front mold core 110 and the shovel base 210 are fixedly connected to the first connecting plate 150, and the movement of the first connecting plate 150 is driven to enable the front mold core 110 and the shovel base 210 to move synchronously, improving the stability of the movement.

[0039] The first wear-resistant plate 134 is fixedly connected to the row seat 131, and by arranging the first wear-resistant plate 134, the row seat 131 can be separated from the first connecting plate 150 and the shovel base 210, reducing the wear of the row seat 131, the first connecting plate 150 and the shovel base 210, thereby prolonging the service life of the mold, reducing the possibility of damage and failure of the mold, and improving the reliability.

[0040] It should be noted that the first wear plate 134 can be fixedly connected to the row seat 131 by fasteners, so as to facilitate disassembly and maintenance of the first wear plate 134, prolong the service life, and facilitate adjustment of the gap between the row seat 131 and the first connecting plate 150, so that the row seat 131 and the first connecting plate 150 are connected tightly, the position of the row seat 131 is reduced, and the forming quality of the product is improved.

[0041] In addition, the first connecting plate 150 can be connected to a driving element of the injection molding machine, which can be a linear oil cylinder, an electric push rod, a linear slide module, etc., and can drive the first connecting plate 150 to move.

[0042] It can be understood that, with reference to Figure 4 , the forming mechanism 100 further comprises a second connecting plate 160, the rear mold core 120 is fixedly connected to the second connecting plate 160, and the second connecting plate 160 is fixedly connected with a second wear plate 161, and the second wear plate 161 can abut against the row seat 131. The rear mold core 120 and the second wear plate 161 are fixedly connected to the second connecting plate 160, and the row seat 131 can abut against the second wear plate 161. The row seat 131 can be separated from the second connecting plate 160 by the second wear plate 161, so that the row seat 131 can slide on the second wear plate 161, the direct friction between the row seat 131 and the second connecting plate 160 is reduced, the possibility of mutual wear and damage of the row seat 131 and the second connecting plate 160 is reduced, and the service life of the mold is prolonged.

[0043] It should be noted that the second wear plate 161 can be detachably connected to the second connecting plate 160 by fasteners, which can facilitate disassembly and maintenance of the second wear plate 161, improve the convenience of maintenance, and prolong the service life of the mold.

[0044] Specifically, with reference to Figure 1 and Figure 2 , the forming mechanism 100 further comprises two guide blocks 170, both of which are fixedly connected to the second connecting plate 160, and the row seat 131 is slidingly connected between the two guide blocks 170. Both of the two guide blocks 170 are fixedly connected to the second connecting plate 160, and the two guide blocks 170 are arranged at intervals, and the row seat 131 is slidingly connected between the two guide blocks 170 to limit the movement direction of the row seat 131, so that the movement of the row seat 131 is stable and accurate, the position deviation of the row seat 131 is reduced, the stability and reliability of the mold structure are enhanced, the forming quality of the product is improved, and the yield is improved.

[0045] Specifically, with reference to Figure 2 and Figure 5The guide mechanism 200 further comprises a limiting block 230 and a limiting rod 240. The limiting block 230 is fixedly connected to the second connecting plate 160 and is provided with an open slot 231. The limiting rod 240 is fixedly connected to the row seat 131 and can be clamped into the open slot 231. The limiting block 230 is fixedly connected to the second connecting plate 160, and the limiting rod 240 is fixedly connected to the row seat 131. When the row seat 131 moves away from the rear cavity 120, the limiting rod 240 can be clamped into the open slot 231, so that the limiting rod 240 can be locked in the limiting block 230, thereby limiting the position of the row seat 131, avoiding the shaking of the position of the row seat 131, and enabling the product to smoothly demold, thereby improving convenience.

[0046] It should be noted that the shape of the open slot 231 matches the shape of the limiting rod 240, so that the limiting rod 240 can be stably arranged in the open slot 231, reducing the shaking of the position of the row seat 131 and improving reliability.

[0047] Specifically, referring to Figure 2 and Figure 5 , the end shape of the open slot 231 is tapered to guide the limiting rod 240 to slide into the open slot 231. By setting the end shape of the open slot 231 as tapered, when the row seat 131 slides on the second connecting plate 160, the tapered open slot 231 can smoothly expand the open slot 231, enabling the limiting rod 240 to be smoothly pressed into the open slot 231, avoiding the limiting rod 240 being clamped at the end of the open slot 231, and enabling the limiting rod 240 and the limiting block 230 to cooperate stably, thereby improving the use fluency of the mold.

[0048] It should be noted that the shape of the limiting rod 240 is cylindrical, so that when the limiting rod 240 abuts against the end of the open slot 231, the limiting rod 240 can smoothly expand the open slot 231, facilitating the pressing of the limiting rod 240 into the open slot 231, and improving the use fluency.

[0049] Specifically, referring to Figure 2 , the guide mechanism 200 further comprises a stop block 250 fixedly connected to the second connecting plate 160, and the row seat 131 can abut against the stop block 250. The stop block 250 is fixedly connected to the second connecting plate 160, and the row seat 131 can abut against the stop block 250. By setting the stop block 250, the movement stroke of the row seat 131 can be limited, avoiding the row seat 131 sliding out of the second connecting plate 160, enabling the inclined guide pillar 220 and the row seat 131 to remain connected, preventing the mold from being damaged or the product from being deformed due to excessive movement of the row seat 131, and improving the reliability of the mold.

[0050] It can be understood that, referring to Figure 1 and Figure 2The guiding mechanism 200 further comprises an ejection assembly 260, the ejection assembly 260 comprises a movable plate 261 and a plurality of ejector pins 262, the plurality of ejector pins 262 are fixedly connected to the movable plate 261, and the ejector pins 262 can extend into the mold cavity 140. The plurality of ejector pins 262 are driven to move synchronously by the movable plate 261, so that the ejector pins 262 can extend into the mold cavity 140 and can uniformly and quickly eject the product from the mold cavity 140 after the product is cooled and solidified, the deformation or damage of the product is reduced, manual unloading is replaced, and the production efficiency of the product is improved.

[0051] In addition, the plurality of ejector pins 262 are arranged at intervals, so that the product can be stably stressed, the product is facilitated to be ejected from the mold, and the efficiency is improved.

[0052] It should be noted that the movable plate 261 can be driven by a driving element on the injection molding machine, so as to realize automatic ejection of the product and improve the production efficiency.

[0053] It can be understood that, referring to Figure 1 and Figure 2 the front mold core 110, the rear mold core 120, the row seat 131 and the insert 132 are all provided with a plurality of cooling water channels 180 for the cooling water to pass through, the front mold core 110, the rear mold core 120, the row seat 131 and the insert 132 are all provided with a plurality of cooling water channels 180, the cooling water channels 180 are arranged adjacent to the mold cavity 140, and the cooling water can pass through the cooling water channels 180, so that the cooling water can more uniformly take away the heat generated in the injection molding process, the cooling and solidification process of the product in the mold cavity 140 is accelerated, the production cycle is shortened, and the production efficiency is improved.

[0054] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art without departing from the purpose of the utility model.

Claims

1. A foldable spoon injection mold characterized by, The utility model relates to a moulding mechanism, guiding mechanism and delaying mechanism for moulding product. The utility model discloses a moulding mechanism, guiding mechanism and delaying mechanism for moulding product. The end of the ejector rod close to the plane is provided with a guide part, and the shape of the guide part is set as a hemisphere. The moulding mechanism further comprises a first connecting plate, the front moulding block and the shovel base are fixedly connected to the first connecting plate, the row seat is fixedly connected with a first wear plate, and the first wear plate can abut against the first connecting plate.

2. The foldable spoon injection mold of claim 1, wherein, The moulding mechanism further comprises a second connecting plate, the rear moulding block is fixedly connected to the second connecting plate, the second connecting plate is fixed with a second wear plate, and the second wear plate can abut against the row seat.

3. The foldable spoon injection mold of claim 1, wherein, The moulding mechanism further comprises two guide blocks, and the two guide blocks are fixedly connected to the second connecting plate.

4. The foldable spoon injection mold of claim 1, wherein, The guiding mechanism further comprises a limiting block and a limiting rod, the limiting block is fixedly connected to the second connecting plate, the limiting block is provided with an open slot, the limiting rod is fixedly connected to the row seat, and the limiting rod can be clamped into the open slot.

5. The foldable spoon injection mold of claim 4, wherein, The end of the open slot is set as a taper shape to guide the limiting rod to slide into the open slot.

6. The foldable spoon injection mold of claim 4, wherein, The guiding mechanism further comprises a knock-out assembly, the knock-out assembly comprises a movable plate and a plurality of ejector pins, the plurality of ejector pins are fixedly connected to the movable plate, and the ejector pins can extend into the mould cavity.

7. The foldable spoon injection mold of claim 6, wherein, The front moulding block, the rear moulding block, the row seat and the insert are provided with a plurality of cooling water channels, and the cooling water channels are used for passing in cooling water.

8. The foldable spoon injection mold of claim 6, wherein, ​ 9. The foldable spoon injection mold of claim 1, wherein, ​ 10. The foldable spoon injection mold of claim 1, wherein, ​