Mold for injection molding production of spoons

By designing molds for injection molding and producing spoons, automatic mold replacement is achieved using suction cups and cylinders, the problem of low replacement efficiency of existing molds is solved, the replacement efficiency and production automation level are improved, and the cost is reduced.

CN222844607UActive Publication Date: 2025-05-09WUHAN DINGYUAN ZHIZAO IND CO LTD
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Patent Information

Application Number
CN202421655157.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-14
Publication Date
2025-05-09
Estimated Expiration
2034-07-14

AI Technical Summary

Technical Problem

The existing molds used for injection molding and production spoons need to be manually disassembled when replaced, which is less efficient and increases production costs.

Method used

A mold including a bottom box, a side plate and a retaining mechanism is designed. By setting up a pressing mechanism, the automatic replacement of the mold is achieved by using a suction cup and a cylinder, thereby improving the replacement efficiency.

Benefits of technology

Through the automated mold replacement process, manual participation is reduced, replacement efficiency is improved, production costs are reduced, and the automation level of spoon production is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a mold for injection molding production of spoons, and relates to the field of plastic spoon production. The mold for injection molding production of the spoons comprises a bottom box, a side plate and a retention mechanism, the right side of the side plate is fixedly connected with a pressing mechanism, the pressing mechanism comprises a suction cup and an air cylinder, the suction cup is arranged above the bottom box, and the air cylinder is arranged above the suction cup. According to the mold for injection molding production of the spoons, after a pressing mechanism is arranged, a cylinder moves to enable a push rod to move downwards to eject the mold to be separated from adsorption of a suction cup, a motor output shaft at the bottom of a top plate rotates to drive a screw to rotate, and the screw rotates to drive a threaded pipe in sliding connection with an outer pipe to move downwards; a threaded pipe moves downwards to drive a fixing pipe at the bottom of a fixing plate to move downwards to a suction cup to adsorb a new mold, an electric telescopic pipe is shortened to drive the new mold to move to a proper position, the manual participation degree of mold replacement is reduced, the mold replacement efficiency is improved, the labor cost of plastic spoon production is reduced, and the automation level of spoon production is improved.
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Description

Technical Field

[0001] The present application relates to the technical field of plastic spoon production, and in particular to a mold for injection molding spoons. Background Art

[0002] A spoon is a tool used for drinking soup or serving rice. Based on the material, it can be divided into stainless steel spoons, iron spoons, silver spoons, plastic spoons, ceramic spoons, etc. In the production process of plastic spoons, a processing mold that matches the shape of the spoon is required. The processing mold is used to shape the spoon. In order to facilitate the processing of the spoon, a production spoon injection mold is required.

[0003] Patent No. CN221022138U discloses a mold for injection molding spoons. The mold for injection molding spoons can improve the clamping effect of the upper mold and the lower mold through the cooperation between the upper mold, the lower mold, the buffer spring, the slide groove and the slider, improve the precision of the spoon molding, effectively avoid the appearance of defective spoons, and improve the practicality of the device. However, the mold needs to be manually disassembled and replaced by the staff when the mold is replaced, and the efficiency of mold replacement is low, which increases the labor cost of plastic spoon production. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the present application provides a mold for injection molding a spoon, which solves the problems mentioned in the above background technology.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present application is implemented through the following technical solutions: a mold for injection molding a spoon, comprising a bottom box, a side panel and a retaining mechanism for fixing the mold position, the right side of the side panel is fixedly connected with a pressing mechanism for facilitating mold replacement and driving the mold for press molding, the pressing mechanism comprises a suction cup and a cylinder, the suction cup is arranged above the bottom box, the cylinder is arranged above the suction cup, the bottom of the side panel is fixedly connected to the left side of the top of the bottom box, and the bottom of the retaining mechanism is fixedly connected to the top of the bottom box.

[0008] By adopting the above technical solution, the mold can be fixed by the suction cup, and the mold fixed by the suction cup can be removed by the cylinder, thereby improving the portability of mold replacement.

[0009] Preferably, the pressing mechanism further comprises an electric telescopic tube and a top plate, wherein the electric telescopic tube is fixedly connected to the right side of the side plate, and the left side of the top plate is fixedly connected to one end of the electric telescopic tube.

[0010] By adopting the above technical solution, the electric telescopic tube can be used to extend and retract to drive the top plate to move, thereby achieving the purpose of driving the mold adsorbed by the suction cup to move.

[0011] Preferably, the pressing mechanism also includes a motor and a screw, the top of the motor is fixedly connected to the bottom of the top plate, the top of the screw is fixedly connected to the motor output shaft, the surface of the screw is threadedly connected with a threaded tube, the surface of the threaded tube is slidably connected with an outer tube, and the top of the outer tube is fixedly connected to the bottom of the top plate.

[0012] By adopting the above technical solution, the output shaft of the motor can be used to rotate the screw, and the rotation of the screw drives the threaded tube slidably connected to the outer tube to move up and down, providing moving power for the fixed mold.

[0013] Preferably, the pressing mechanism also includes a fixed plate and a fixed tube, the top of the fixed plate is fixedly connected to the bottom of the threaded tube, the top of the fixed tube is fixedly connected to the bottom of the fixed plate, the bottom of the fixed tube is fixedly connected to the top of the suction cup, and the top of the inner wall of the fixed tube is fixedly connected to the top of the cylinder.

[0014] By adopting the above technical solution, the suction cup can be fixed by using the fixing tube at the bottom of the fixing plate. When the bottom of the suction cup fits the mold surface, a closed space is formed inside the suction cup and the fixing tube, thereby enhancing the stability of the suction cup when adsorbing the mold to fix it.

[0015] Preferably, a forming mechanism for assisting the forming of the spoon is adsorbed on the bottom of the suction cup, and the forming mechanism includes a lower mold and a pressing groove, the side of the lower mold is fitted with the retaining mechanism, the pressing groove is opened on the top of the lower mold, and card grooves are opened on both sides of the pressing groove.

[0016] By adopting the above technical solution, the pressing groove opened in the lower mold can be used to provide an accurate position for the merging of the upper mold and the lower mold to avoid errors in the shape of the spoon, and the card slot can be used to provide a fixed connection method for the merging of the upper mold and the lower mold.

[0017] Preferably, the molding mechanism further comprises an upper mold and a clamping block, the top of the upper mold is fitted with the bottom of the suction cup, and the clamping block is fixedly connected to both sides of the upper mold.

[0018] By adopting the above technical solution, the blocks and grooves on both sides of the upper mold can be used to fit together to combine the upper mold with the lower mold to assist in shaping the spoon.

[0019] Preferably, the retaining mechanism comprises a placement groove and a partition that separates the molds, the placement groove is opened at the top of the bottom box, and the bottom of the partition is fixedly connected to the bottom of the placement groove.

[0020] By adopting the above technical solution, the mold can be separated by the partition in the placement groove to avoid mutual influence and damage during injection molding.

[0021] Preferably, the retaining mechanism also includes a spring and a retaining plate, the spring is fixedly connected to the placement groove and both sides of the partition, the side of the retaining plate is fixedly connected to one end of the spring, and the other side of the retaining plate is fixedly connected to a rubber plate, and the side of the rubber plate is in contact with the side of the lower mold.

[0022] By adopting the above technical solution, the elastic force of the spring itself can be used to fix the lower mold that is in contact with the rubber plate on one side of the retaining plate and keep it in a central position, so that the upper mold can be accurately moved down and merged with the lower mold.

[0023] (III) Beneficial effects

[0024] The present application provides a mold for injection molding a spoon, which has the following beneficial effects:

[0025] 1. The mold for injection molding spoons is provided with a pressing mechanism. After the cylinder moves to move the push rod downward to push the mold out of the adsorption of the suction cup, the motor output shaft at the bottom of the top plate rotates to drive the screw to rotate. The rotation of the screw drives the threaded tube slidably connected with the outer tube to move downward. The downward movement of the threaded tube drives the fixed tube at the bottom of the fixed plate to move downward to the suction cup to adsorb the new mold. The electric telescopic tube shortens to drive the new mold to move to a suitable position, thereby reducing the manual participation in mold replacement, improving the efficiency of mold replacement, reducing the labor cost of plastic spoon production, and improving the automation level of spoon production.

[0026] 2. The mold for injection molding spoons is provided with a retaining mechanism. When the mold moves down to between the placement groove and the partition, the elastic force of the spring itself drives the rubber plate on one side of the retaining plate to fit with the side of the mold to fix the position of the mold, and the mold is placed in a central position under the drive of the elastic forces on both sides, thereby reducing the possibility of shaping errors when the upper mold and the lower mold are combined for pressing, thereby improving the qualified rate of spoon production. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the implementation scheme of the utility model or the technical scheme in the prior art, the drawings required for use in the implementation scheme or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation schemes of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0028] Figure 1 This is a schematic diagram of the structure of the application from the right side and from the top;

[0029] Figure 2 This is a schematic diagram of the appearance structure of this application from the right side and upward;

[0030] Figure 3This is a schematic diagram of the structure of the retention mechanism of this application from a rear view and a top view;

[0031] Figure 4 This is an enlarged schematic diagram of the structure of Part A of this application;

[0032] Figure 5 This is a schematic diagram of the cross-sectional view of the structure of the present application from the right side and from the top;

[0033] Figure 6 This is a schematic diagram of the cross-sectional structure of the pressing mechanism of this application, viewed from the right and looking up.

[0034] In the figure: 1. bottom box; 2. side plate; 3. pressing mechanism; 301. electric telescopic tube; 302. top plate; 303. motor; 304. screw; 305. threaded tube; 306. outer tube; 307. fixing plate; 308. fixing tube; 309. suction cup; 310. cylinder; 4. forming mechanism; 401. lower mold; 402. pressing groove; 403. clamping groove; 404. upper mold; 405. clamping block; 5. retaining mechanism; 501. placement groove; 502. partition; 503. spring; 504. retaining plate; 505. rubber sheet. DETAILED DESCRIPTION

[0035] It should be noted that in the description of the embodiments of the present application, the terms "front, rear", "left, right", "up, down", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present application. The terms "install", "connect", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0036] The present application is further described in detail below through drawings and examples.

[0037] Reference Figure 2 , Figure 5 and Figure 6The embodiment of the present application provides a mold for injection molding a spoon, comprising a bottom box 1, a side plate 2 and a retaining mechanism 5 for fixing the position of the mold. A pressing mechanism 3 is fixedly connected to the right side of the side plate 2 for facilitating mold replacement and driving the mold for pressing and molding. The pressing mechanism 3 comprises a suction cup 309 and a cylinder 310. The suction cup 309 is arranged above the bottom box 1, and the cylinder 310 is arranged above the suction cup 309. An electric telescopic tube 301 is fixedly connected to the right side of the side plate 2. One end of the electric telescopic tube 301 is fixedly connected to a top plate 302. A motor 303 is fixedly connected to the bottom of the top plate 302. A screw 304 is fixedly connected to the output shaft of the motor 303. A threaded tube 305 is threadedly connected to the surface of the screw 304. An outer tube 306 is slidably connected to the surface of the threaded tube 305. The top of the outer tube 306 is fixedly connected to the bottom of the top plate 302 , the bottom of the threaded tube 305 is fixedly connected with a fixed plate 307, the bottom of the fixed plate 307 is fixedly connected with a fixed tube 308, the bottom of the fixed tube 308 is fixedly connected to the top of the suction cup 309, the top of the inner wall of the fixed tube 308 is fixedly connected to the top of the cylinder 310, the bottom of the side plate 2 is fixedly connected to the left side of the top of the bottom box 1, the bottom of the retaining mechanism 5 is fixedly connected to the top of the bottom box 1, and the cylinder 310 moves to move the push rod downward to push the mold out of the adsorption of the suction cup 309. The output shaft of the motor 303 at the bottom of the top plate 302 rotates to drive the screw 304 to rotate. The rotation of the screw 304 drives the threaded tube 305 slidably connected to the outer tube 306 to move downward. The threaded tube 305 moves downward and drives the fixed tube 308 at the bottom of the fixed plate 307 to move down to the suction cup 309 to adsorb the new mold. The electric telescopic tube 301 is shortened to drive the new mold to move to a suitable position.

[0038] Reference Figure 1 and Figure 5 In one aspect of the present embodiment, a forming mechanism 4 for assisting the forming of the spoon is adsorbed on the bottom of the suction cup 309, and the forming mechanism 4 includes a lower mold 401 and a pressing groove 402. The side of the lower mold 401 is fitted with the retaining mechanism 5, and the pressing groove 402 is opened at the top of the lower mold 401. Card grooves 403 are opened on both sides of the pressing groove 402. An upper mold 404 is fitted on the bottom of the suction cup 309, and card blocks 405 are fixedly connected on both sides of the upper mold 404. The suction cup 309 moves downward to drive the upper mold 404 to move downward until the card blocks 405 on both sides of the upper mold 404 are fitted with the card grooves 403 on both sides of the pressing groove 402 opened on the top of the lower mold 401.

[0039] Reference Figure 3 and Figure 4In one aspect of the present embodiment, the retaining mechanism 5 includes a placement groove 501 and a partition 502 that separates the mold. The placement groove 501 is opened at the top of the bottom box 1, and the bottom of the partition 502 is fixedly connected to the bottom of the placement groove 501. Springs 503 are fixedly connected on both sides of the placement groove 501 and the partition 502. A retaining plate 504 is fixedly connected to one end of the spring 503, and a rubber plate 505 is fixedly connected to the other side of the retaining plate 504. The side of the rubber plate 505 is in contact with the side of the lower mold 401. When the mold moves down between the placement groove 501 and the partition 502, the elastic force of the spring 503 itself drives the rubber plate 505 on one side of the retaining plate 504 to fit with the side of the mold to fix the position of the mold.

[0040] All electrical equipment in this solution are powered by an external power supply.

[0041] Working principle: When in use, the cylinder 310 moves to move the push rod downward to push the mold out of the adsorption of the suction cup 309, and the output shaft of the motor 303 at the bottom of the top plate 302 rotates to drive the screw 304 to rotate, and the rotation of the screw 304 drives the threaded tube 305 slidably connected to the outer tube 306 to move downward, and the threaded tube 305 moves downward to drive the fixed tube 308 at the bottom of the fixed plate 307 to move downward to the suction cup 309 to adsorb the new mold, and the electric telescopic tube 301 shortens to drive the new mold to move to the top of the placement groove 501. When the threaded tube 305 moves downward to drive the lower mold 401 to move downward to between the placement groove 501 and the partition 502, the elastic force of the spring 503 itself drives the rubber plate 50 on one side of the retaining plate 504 5 is fitted with the side of the lower mold 401, and the threaded tube 305 moves up to drive the blocks 405 on both sides to separate the upper mold 404, which is only fitted with the slot 403, from the pressing groove 402 and move up. After the injection molding work is completed, the output shaft of the motor 303 at the bottom of the top plate 302 rotates to drive the screw 304 to rotate, and the rotation of the screw 304 drives the threaded tube 305 slidably connected with the outer tube 306 to move down, and the threaded tube 305 moves down to drive the fixed tube 308 at the bottom of the fixed plate 307 to move down and drive the upper mold 404 adsorbed by the suction cup 309 to move down until the blocks 405 on both sides of the upper mold 404 are fitted with the slots 403 on both sides of the pressing groove 402 opened on the top of the lower mold 401, so as to press and shape the spoon.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A mold for injection molding a spoon, comprising a bottom box (1), a side plate (2) and a retaining mechanism (5) for fixing the position of the mold, characterized in that: The right side of the side plate (2) is fixedly connected with a pressing mechanism (3) for facilitating mold replacement and driving the mold to perform pressing and forming. The pressing mechanism (3) comprises a suction cup (309) and a cylinder (310). The suction cup (309) is arranged above the bottom box (1), and the cylinder (310) is arranged above the suction cup (309). The bottom of the side plate (2) is fixedly connected to the left side of the top of the bottom box (1), and the bottom of the retaining mechanism (5) is fixedly connected to the top of the bottom box (1).

2. A mold for injection molding a spoon according to claim 1, characterized in that: The pressing mechanism (3) further comprises an electric telescopic tube (301) and a top plate (302); the electric telescopic tube (301) is fixedly connected to the right side of the side plate (2); and the left side of the top plate (302) is fixedly connected to one end of the electric telescopic tube (301).

3. A mold for injection molding a spoon according to claim 2, characterized in that: The pressing mechanism (3) further comprises a motor (303) and a screw (304); the top of the motor (303) is fixedly connected to the bottom of the top plate (302); the top of the screw (304) is fixedly connected to the output shaft of the motor (303); a threaded tube (305) is threadedly connected to the surface of the screw (304); an outer tube (306) is slidably connected to the surface of the threaded tube (305); and the top of the outer tube (306) is fixedly connected to the bottom of the top plate (302).

4. The mold for injection molding a spoon according to claim 3, characterized in that: The pressing mechanism (3) further comprises a fixing plate (307) and a fixing tube (308), wherein the top of the fixing plate (307) is fixedly connected to the bottom of the threaded tube (305), the top of the fixing tube (308) is fixedly connected to the bottom of the fixing plate (307), the bottom of the fixing tube (308) is fixedly connected to the top of the suction cup (309), and the top of the inner wall of the fixing tube (308) is fixedly connected to the top of the cylinder (310).

5. The mold for injection molding a spoon according to claim 4, characterized in that: A forming mechanism (4) for assisting the forming of the spoon is adsorbed on the bottom of the suction cup (309), and the forming mechanism (4) comprises a lower mold (401) and a pressing groove (402). The side of the lower mold (401) is in contact with the retaining mechanism (5), the pressing groove (402) is provided on the top of the lower mold (401), and clamping grooves (403) are provided on both sides of the pressing groove (402).

6. A mold for injection molding a spoon according to claim 5, characterized in that: The molding mechanism (4) further comprises an upper mold (404) and a clamping block (405), wherein the top of the upper mold (404) is in contact with the bottom of the suction cup (309), and the clamping block (405) is fixedly connected to both sides of the upper mold (404).

7. The mold for injection molding a spoon according to claim 1, characterized in that: The retaining mechanism (5) comprises a placement groove (501) and a partition (502) for separating the molds. The placement groove (501) is opened on the top of the bottom box (1), and the bottom of the partition (502) is fixedly connected to the bottom of the placement groove (501).

8. The mold for injection molding a spoon according to claim 7, characterized in that: The retaining mechanism (5) further comprises a spring (503) and a retaining plate (504); the spring (503) is fixedly connected to the placement groove (501) and the two sides of the partition plate (502); the side surface of the retaining plate (504) is fixedly connected to one end of the spring (503); the other side of the retaining plate (504) is fixedly connected to a rubber plate (505); the side surface of the rubber plate (505) is in contact with the side surface of the lower mold (401).

Citation Information

Patent Citations

  • A mold for injection molding spoons

    CN221022138U