Calabash shaping mold

By using the tapered fit between the inner core and the outer mold sleeve, and the tightening with square head bolts, the problem of loose assembly of the mold for molding gourds was solved, enabling accurate positioning and growth observation of the gourds, and improving the success rate and quality of molded gourds.

CN223772592UActive Publication Date: 2026-01-09TIANJIN ZHAOFU TECH DEV CO LTD
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Patent Information

Application Number
CN202423198080.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2026-01-09
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

The existing molds for molded gourds are difficult to assemble, the inner core and the outer mold are not tightly assembled, and the gourd is easy to demold.

Method used

The inner core and outer mold are tapered and fastened with square head bolts and nuts. The inner core consists of multiple core shells and locating pins. The bolt through holes are used for inserting the gourd needle. The outer mold is made of transparent plastic to facilitate observation of gourd growth.

Benefits of technology

This method achieves a tight assembly between the inner core and the outer mold, ensuring accurate gourd positioning and allowing for observation of growth, thus improving the success rate and quality of molded gourds.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a calabash mold, the calabash mold comprises an inner mold core and a mold jacket, the inner mold core is installed in the mold jacket, the inner mold core and the mold jacket are in taper fit, a bolt is installed in the inner mold core, the bolt penetrates through the mold jacket, and the inner mold core and the mold jacket are fastened together through a nut. The square head bolt is matched with the nut, so that the inner mold core and the mold outer sleeve are assembled more tightly, the head of the square head bolt is arranged in the upper cavity of the assembly cavity of the inner mold core, and the inner mold core can be ejected out of the mold outer sleeve by applying upward external force to the square head bolt.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the gourd of the die, concretely relates to a gourd of the die. BACKGROUND

[0002] The gourd of the die, also known as the die gourd or the die pot, is a technique for forcing the gourd to grow into a shape according to human will through a die. Specifically, a young gourd is put into a die engraved with negative text, and as the gourd grows, the space in the die is gradually filled. After the gourd is lignified, it is taken out, and the negative engraved text on the die will form a positive pattern on the gourd.

[0003] The existing die gourd mold assembly and mold opening are difficult, and the inner core and the mold outer sleeve are not tightly assembled, so the gourd is easy to be demolded. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the purpose of the utility model is to provide a die gourd mold.

[0005] The purpose of the utility model is achieved by the following technical solutions.

[0006] A die gourd mold, the die gourd mold comprises an inner core and a mold outer sleeve, the inner core is installed in the mold outer sleeve, both are tapered, the inner core is internally installed with a bolt, the bolt passes through the mold outer sleeve, and the inner core and the mold outer sleeve are fastened together through a nut;

[0007] The inner core comprises an inner core body, a center cavity, a umbilical hole and an assembly cavity are sequentially arranged in the inner core body, a free end of the center cavity is open, used for placing a gourd, the umbilical hole communicates the center cavity and the assembly cavity, used for penetrating an umbilical needle, a free end of the assembly cavity is open, used for placing the bolt, a through hole is arranged in the bolt, the umbilical needle passes through the through hole of the bolt and is inserted into an umbilical eye of the gourd in the center cavity;

[0008] The mold outer sleeve comprises a sleeve body, a stepped receiving cavity is arranged in the sleeve body, the stepped receiving cavity is open at both ends and is respectively an inlet and an outlet, the inner core with the bolt is arranged in the stepped receiving cavity, the lower part of the bolt passes through the outlet, and the inner core and the mold outer sleeve are fastened through a nut.

[0009] In the above technical solution, the inner core body comprises a plurality of core shells, a gourd placing groove, an umbilical needle penetrating groove and an assembly groove are arranged on the inner surface of each core shell from top to bottom, after a plurality of core shells are assembled through positioning pins and positioning holes, the gourd placing grooves are butted together to form a center cavity, the umbilical needle penetrating grooves are butted together to form an umbilical hole, and the assembly grooves are butted together to form an assembly cavity.

[0010] In the technical scheme, the assembling cavity comprises an upper cavity and a lower cavity which are communicated with each other, the aperture of the upper cavity is larger than that of the lower cavity, and the upper cavity is arranged in a stepped manner and used for placing the head of the bolt, and the lower cavity is used for placing the screw rod of the bolt.

[0011] In the technical scheme, a flat gasket is arranged between the nut and the inner core.

[0012] In the technical scheme, the inner core and the mold cover are made of transparent plastic material, so that the growth of the gourd in the inner core can be observed.

[0013] In the technical scheme, the outer surface of the inner core body gradually decreases from top to bottom and is in a conical shape.

[0014] In the technical scheme, a handle is arranged on the outer surface of the cover body.

[0015] In the technical scheme, the cover body is in a stepped shape and comprises an upper body, a middle body and a lower body which gradually decrease in outer diameter from top to bottom, the outer surface of the middle body is a hexahedron, and the outer surface of the lower body is slotted and used for disassembling the gourd mold and cooperating with a disassembling tool.

[0016] The utility model has the advantages and beneficial effects that:

[0017] 1. The utility model discloses a four-square head bolt and nut are matched, so that the inner core and the mold cover are assembled more closely, the head of the four-square head bolt is arranged in the upper cavity of the assembling cavity of the inner core, and the inner core can be pushed out of the mold cover by applying an external force to the four-square head bolt.

[0018] 2. The inner core comprises a plurality of core shells which are assembled through positioning pins and positioning holes, and the inner core is convenient and fast to disassemble.

[0019] 3. The bolt is provided with a through hole which gradually decreases from top to bottom and is used for threading a umbilical needle, so that the gourd is positioned conveniently. DETAILED DESCRIPTION

[0020] Figure 1 It is an appearance view of the gourd mold.

[0021] Figure 2 It is a schematic view of the overall structure of the gourd mold.

[0022] Figure 3 It is a schematic view of the internal structure of the core shell of the inner core.

[0023] Figure 4 It is a schematic view of the structure of the core shell of the inner core.

[0024] Figure 5 This is a bottom view of the core shell of the inner core of the present invention.

[0025] Figure 6 This is a schematic diagram of the core shell structure of the inner core of the present invention.

[0026] Figure 7 This is a schematic diagram of the mold outer casing of the present invention.

[0027] in,

[0028] 1: Inner core body, 2: Central cavity, 3: Umbilical insertion hole, 4: Assembly cavity, 5: Upper cavity, 6: Lower cavity, 7: Core shell, 8: Positioning pin, 9: Positioning hole, 10: Outer body, 11: Upper section body, 12: Middle section body, 13: Lower section body, 14: Handle, 15: Stepped storage cavity, 16: Square head bolt, 17: Ingot nut, 18: Umbilical insertion pin, 19: Slot, 20: Flat washer.

[0029] For those skilled in the art, other related figures can be obtained from the above figures without any creative effort. Detailed Implementation

[0030] The technical solution of this utility model will be further described below with reference to specific embodiments.

[0031] Example 1

[0032] like Figures 1-7 As shown, a gourd molding mold includes an inner core and a mold outer sleeve. The inner core is installed inside the mold outer sleeve, and the contact surfaces of the inner core and the mold outer sleeve are tapered. A square head bolt 16 is installed inside the inner core, and the square head bolt 16 passes through the mold outer sleeve. The inner core and the mold outer sleeve are fastened together by a nut 17. Specifically, a flat washer 20 is provided between the nut 17 and the inner core. The inner core and the mold outer sleeve are made of transparent plastic material to facilitate observation of the gourd growth inside.

[0033] The inner core includes an inner core body 1. The outer surface area of ​​the inner core body 1 gradually decreases from top to bottom, forming a cone shape. Inside the inner core body 1, from top to bottom, there are a central cavity 2, a guide hole 3, and an assembly cavity 4. The free end (upper end) of the central cavity 2 is open for placing the gourd. The guide hole 3 connects the central cavity 2 and the assembly cavity 4 for inserting a guide needle 18. The free end (lower end) of the assembly cavity 4 is open for placing the square head bolt 16. The square head bolt 16 has a through hole inside. The guide needle 18 passes through the through hole of the square head bolt 16 and enters the gourd inside the central cavity 2. The assembly cavity 4 includes an upper cavity 5 and a lower cavity 6 that are interconnected. The diameter of the upper cavity 5 is larger than the diameter of the lower cavity 6, and they are arranged in a stepped shape. The upper cavity 5 is used to place the head of the bolt, and the lower cavity 6 is used to place the bolt shank.

[0034] Furthermore, the inner core body 1 includes multiple core shells 7. Each core shell 7 has a gourd-placement groove, a needle insertion groove, and an assembly groove formed from top to bottom on its inner surface. After multiple core shells 7 are assembled by positioning pins 8 and positioning holes 9, the gourd-placement grooves are joined together to form a central cavity 2, the needle insertion grooves are joined together to form a needle hole 3, and the assembly grooves are joined together to form an assembly cavity 4. Preferably, in this embodiment, the number of core shells 7 is 2.

[0035] The mold cover includes a cover body 10 and a handle 14. The handle 14 is disposed on the cover body 10. The cover body 10 has a stepped storage cavity 15 inside (because the mold cover is made of transparent plastic, from...). Figure 7 The outer surface of the mold outer casing reveals an internal stepped storage cavity 15. The stepped storage cavity 15 has openings at its upper and lower ends, serving as an inlet and an outlet, respectively. An inner core, fitted with bolts, is inserted into the stepped storage cavity 15 through the inlet. A square-headed bolt 16 passes through the outlet, and a nut 17 secures the inner core to the mold outer casing. Furthermore, the outer casing body 10 is stepped, comprising an upper body 11, a middle body 12, and a lower body 13, with the outer diameter gradually decreasing from top to bottom. The outer surface of the middle body 12 is hexahedral, and the outer surface of the lower body 13 has a slot 19 for assembling and disassembling the molded gourd, which works in conjunction with disassembly tools.

[0036] Example 2

[0037] This embodiment provides a method for assembling and opening the mold for the molded gourd described in Embodiment 1, including the following steps:

[0038] Combination method:

[0039] Step 1, first put the square head bolt 16 into the assembly groove of any one of the core shell 7, put the young gourd into the gourd placing groove of the core shell 7, pass the umbilical needle 18 through the through hole of the square head bolt 16, and insert the needle into the umbilical eye of the gourd to position the gourd in the mold. Put the multiple core shells 7 through the positioning pins 8 and the positioning holes 9 to form the inner core body 1. The head of the square head bolt 16 is placed in the upper cavity 5 of the assembly cavity 4, and the screw rod of the square head bolt 16 is placed in the lower cavity 6 of the assembly cavity 4. The lower part of the screw rod is exposed outside the lower cavity 6. At this time, the inner core installation is completed.

[0040] Step 2, put the installed inner core with the gourd into the mold cover from the entrance of the stepped receiving cavity 15 of the outer cover body 10. The umbilical needle 18 and the square head bolt 16 are exposed from the outlet of the stepped receiving cavity 15 of the outer cover body 10. The lower part of the square head bolt 16 is exposed. Apply downward pressure to the inner core to press the inner core tightly in the mold cover. In turn, put the flat washer 20 and the gold nut 17 on the exposed bolt. Tighten the inner core and the mold cover again through the gold nut 17. At this time, the lower end surface of the head of the square head bolt 16 is in close contact with the lower end surface of the lower cavity 6. Because the outer wall of the combined inner core and the inner wall of the outer cover body 10 are taperedly matched, they are locked after being combined and there is no gap between them, which is enough to overcome the growth force of the gourd in the inner core outward. The mold will not crack due to the gourd swelling.

[0041] As the gourd grows and completely fills the center cavity 2 of the inner core, the umbilical needle 18 is pulled out of the outlet of the stepped receiving cavity 15. Because the gourd has already filled the center cavity 2, after the umbilical needle 18 is pulled out, the umbilical eye of the gourd will not displace due to continued growth. Because the inner core and the mold cover are made of transparent plastic material, the growth of the gourd in the mold can be observed, and the gourd that grows poorly, rots, and fails to fill the mold can be removed in time, thereby improving the success rate of molding gourds.

[0042] Mold opening method:

[0043] The mold can be opened on the gourd rack. First, the gold nut 17 is unscrewed from the square head bolt 16, and the flat washer 20 is removed. Apply an upward pushing force to the square head bolt 16. The upper end surface of the head of the square head bolt 16 is in contact with the upper end surface of the upper cavity 5. Gradually push the inner core out of the mold cover upward. Because the outer wall of the inner core and the inner wall of the mold cover are taperedly matched, the inner core can be taken out upward from the entrance of the stepped receiving cavity 15 after the tapered matching is removed. Disassemble the multiple core shells 7 of the inner core to expose the gourd that has not yet fully matured. The gourd can continue to grow and lignify on the gourd rack. Because the gourd is not wrapped by the mold at this time, it is not easy to rot and mildew. The gourd grows naturally outside the mold, and the color and skin of the gourd will be better, greatly improving the success rate of molding gourds.

[0044] For ease of description, spatially relative terms, such as "upper", "lower", "left", "right", and the like, can be used herein for the purpose of illustrating one element or feature's relationship to another element or feature, as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation, in addition to the orientation depicted in the figures. For example, if a device in the figures is inverted, elements described as being on the "lower" side of other elements or features would then be oriented on "upper" sides thereof, and vice versa. Thus, the exemplary term "lower" can encompass both an orientation of "lower" and "upper", depending on the particular orientation of the device. The devices can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0045] Also, the terms "first" and "second" are used herein only to distinguish one element from another element having a same name, and do not necessarily require or imply a relationship or order between the elements.

[0046] The above has been described by way of example for the utility model, it should be explained that, without departing from the core of the utility model, any simple deformation, modification or other equivalent replacement which the person skilled in the art can not spend creative labor falls into the protection scope of the utility model.

Claims

1. A mold for molding gourds, characterized in that, The molded gourd mold includes an inner core and a mold outer sleeve. The inner core is installed inside the mold outer sleeve, and the two are tapered together. Bolts are installed inside the inner core, and the bolts pass through the mold outer sleeve. The inner core and the mold outer sleeve are fastened together by nuts. The inner core includes an inner core body, within which a central cavity, a navel hole, and an assembly cavity are sequentially provided. The free end of the central cavity is open for placing a gourd. The navel hole connects the central cavity and the assembly cavity for inserting a navel needle. The free end of the assembly cavity is open for placing a bolt. The bolt has a through hole inside, through which the navel needle passes and is inserted into the navel of the gourd within the central cavity. The mold outer sleeve includes an outer sleeve body, and the outer sleeve body has a stepped storage cavity inside. The stepped storage cavity has openings at both ends, which are the inlet and the outlet, respectively. The inner core with bolts is placed in the stepped storage cavity, and the lower part of the bolts passes through the outlet. The inner core and the mold outer sleeve are fastened by nuts.

2. The molded gourd mold according to claim 1, characterized in that, The inner core body includes multiple core shells. Each core shell has a gourd placement groove, a needle insertion groove, and an assembly groove on its inner surface from top to bottom. After multiple core shells are assembled by positioning pins and positioning holes, the gourd placement grooves are joined together to form a central cavity, the needle insertion grooves are joined together to form a needle hole, and the assembly grooves are joined together to form an assembly cavity.

3. The molded gourd mold according to claim 1, characterized in that, The assembly cavity includes an upper cavity and a lower cavity that are interconnected. The upper cavity has a larger aperture than the lower cavity and is arranged in a stepped manner. The upper cavity is used to place the head of the bolt, and the lower cavity is used to place the bolt rod.

4. The molded gourd mold according to claim 1, characterized in that, A flat washer is provided between the nut and the inner core.

5. The molded gourd mold according to claim 1, characterized in that, The inner core and mold outer shell are made of transparent plastic.

6. The molded gourd mold according to claim 1, characterized in that, The outer surface area of ​​the inner core body gradually decreases from top to bottom, forming a cone shape.

7. The molded gourd mold according to claim 1, characterized in that, A handle is provided on the outer surface of the outer cover.

8. The molded gourd mold according to claim 1, characterized in that, The outer body is stepped and includes an upper body, a middle body and a lower body with the outer diameter gradually decreasing from top to bottom. The outer surface of the middle body is hexahedral and the outer surface of the lower body is grooved.