Die for forming calabash-shaped die

Abstract

The utility model discloses a mould for forming a calabash-shaped mould, which comprises a bottom plate, and a support component for supporting a mould core is arranged on the bottom plate; a material pressing assembly used for pressing materials is arranged at the top of the supporting assembly, a forming mold core assembly used for manufacturing the rubber mold is arranged on the bottom plate and the material pressing assembly, the forming mold core assembly comprises an upper plate mold core and a lower plate mold core, the upper plate mold core is fixedly connected with the material pressing assembly, and the lower plate mold core is fixedly connected with the bottom plate. And the end parts of the upper plate mold core and the lower plate mold core are butted. During demolding, the upper plate mold core is firstly separated from a rubber product, the demolding length is shortened, so that the bearing capacity of the mold core is enhanced, the probability of bending in the demolding process is reduced, the upper plate mold core can be firstly removed during demolding, and then the rubber product is moved to be separated from the lower plate mold core, so that the demolding operation can be more easily carried out; through the matching effect of the matching structure, the abrasion degree is reduced, and the problem of inaccurate positioning caused by rapid abrasion of the mold is solved.

Description

[Technical field]

[0001] The utility model relates to the technical field of rubber molds, in particular to a mold used for forming a gourd-shaped mold. [Background Technology]

[0002] When manufacturing gourd-shaped workpieces, corresponding molds are required. Generally, multiple mold cores form a whole, and the mold for producing the product is manufactured through the injection molding process. When the product is demolded, multiple mold cores need to be forcibly removed from the product one by one.

[0003] Chinese patent CN213533377U discloses a silicone mold, which is provided with an upper mold and a lower mold, and a receiving cavity is provided between the upper mold and the lower mold. The outer surface of the upper mold is provided with an injection port for injecting molding liquid, and the molding liquid is introduced into the receiving cavity through the injection port.

[0004] However, the existing device still has the following problems: when performing the core separation operation of the gourd-shaped part, 1. Since the local structure of the core is relatively thin, the core may be bent and damaged during the hard drawing process, resulting in high core loss; 2. The core is difficult to demold, and burrs will be generated during the demolding process; 3. The upper and lower molds of the existing mold are the same size and are positioned through positioning holes. They are prone to wear during separation, affecting the subsequent positioning effect.

[0005] Based on this, the utility model designs a mold for gourd-shaped mold forming to solve the above problems. [Utility Model Content]

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a mold for forming a gourd-shaped mold.

[0007] In order to achieve the above object, a mold for gourd-shaped mold forming is designed, comprising a bottom plate, on which a support assembly for supporting a mold core is provided;

[0008] A pressing assembly for pressing the material is provided on the top of the support assembly, and a forming core assembly for making a rubber mold is provided on the bottom plate and the pressing assembly. The forming core assembly includes an upper plate mold core and a lower plate mold core. The upper plate mold core is fixedly connected to the pressing assembly, and the lower plate mold core is fixedly connected to the bottom plate. During processing, the ends of the upper plate mold core and the lower plate mold core are butted against each other;

[0009] The pressing component is provided with a shot hole for feeding.

[0010] Furthermore, the support assembly includes a lower plate, a middle plate and an upper plate, the lower plate is slidably connected to the top of the bottom plate, the middle plate is slidably connected to the top of the lower plate, and during production, the upper plate contacts the top of the middle plate.

[0011] Furthermore, the pressing assembly includes a pressing plate and a boss, wherein the boss is fixedly connected to the bottom of the pressing plate, and the boss is slidably connected to the top of the upper plate.

[0012] Furthermore, the burr removal component includes an upper plate outer diameter blade and a lower plate outer diameter blade, and the upper plate outer diameter blade and the lower plate outer diameter blade are symmetrically fixedly connected to the top and bottom of the middle plate respectively, and two groups of the upper plate outer diameter blade and the lower plate outer diameter blade are provided.

[0013] Furthermore, the matching structure includes an upper plate slope groove, a lower plate slope groove and a middle plate slope groove, the upper plate slope groove is opened at the top of the upper plate, the middle plate slope groove is opened at the bottom of the middle plate, and the lower plate slope groove is opened at the bottom of the lower plate.

[0014] Furthermore, the boss is in sliding engagement with the upper plate slope groove;

[0015] The lower plate is in sliding engagement with the middle plate slope groove;

[0016] The bottom plate is slidably matched with the slope groove of the lower plate.

[0017] Furthermore, the upper plate mold core and the lower plate mold core are configured to be in the shape of a gourd formed by connecting a plurality of elliptical balls in series.

[0018] Furthermore, a matching groove is provided on the top of the upper plate, and a spring is fixedly connected between the matching groove and the bottom surface of the pressing plate.

[0019] Compared with the prior art, the utility model has the following beneficial effects: when demolding, the utility model first separates the upper plate mold core from the rubber product. Since the demolding length becomes shorter, the bearing capacity of the mold core becomes stronger, and the probability of bending during the demolding process is reduced. When demolding, the upper plate mold core can be removed first, and then the rubber product can be moved to separate from the lower plate mold core, so that the demolding operation can be performed more easily. Through the cooperation of the matching structure, the degree of wear is reduced, and the problem of inaccurate positioning caused by rapid wear of the mold is avoided. [Brief Description of the Drawings]

[0020] Figure 1 Looking down for rubber products Figure 1 ;

[0021] Figure 2 Looking down for rubber products Figure 2 ;

[0022] Figure 3 for Figure 1 Middle AA section view;

[0023] Figure 4 for Figure 2 Middle BB cross-section;

[0024] Figure 5 The diagram of the cooperation between the upper plate mold core and the lower plate mold core;

[0025] Figure 6 This is a mold structure diagram of Example 1;

[0026] Figure 7 This is a diagram of the mold structure for Example 2;

[0027] Figure 8 A 3D view of a rubber product;

[0028] In the figure: 1. Base plate; 2. Support assembly; 21. Lower plate; 22. Middle plate; 23. Upper plate; 3. Pressing assembly; 31. Pressing plate; 32. Boss; 4. Forming core assembly; 41. Upper plate core; 42. Lower plate core; 5. Burr removal assembly; 51. Upper plate outer diameter cutting edge; 52. Lower plate outer diameter cutting edge; 7. Matching structure; 71. Upper plate slope groove; 72. Lower plate slope groove; 73. Middle plate slope groove; 8. Shot hole; 10. Rubber product; 11. Spring; 12. Matching groove. [Specific implementation method]

[0029] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0030] Example 1

[0031] In some embodiments, please refer to the appendix of the specification. Figure 1-8 , a mold for gourd-shaped mold forming, comprising a base plate 1, on which a supporting assembly 2 for supporting a mold core is provided;

[0032] A pressing assembly 3 for pressing the material is provided on the top of the support assembly 2, and a forming core assembly 4 for making a rubber mold is provided on the bottom plate 1 and the pressing assembly 3. The forming core assembly 4 includes an upper plate core 41 and a lower plate core 42. The upper plate core 41 is fixedly connected to the pressing assembly 3, and the lower plate core 42 is fixedly connected to the bottom plate 1. During processing, the ends of the upper plate core 41 and the lower plate core 42 are butted against each other, and a gap exists between the ends of the upper plate core 41 and the lower plate core 42.

[0033] A burr removal assembly 5 for removing burrs is provided inside the support assembly 2. A matching structure 7 is provided between the pressing assembly 3 and the support assembly 2. The pressing assembly 3 and the support assembly 2 are connected through the matching structure 7.

[0034] The pressing assembly 3 is provided with a shot hole 8 for feeding.

[0035] When the present invention is in use, since the molding mold core assembly 4 is divided into two parts, the upper plate mold core 41 and the lower plate mold core 42, when demolding, the upper plate mold core 41 is first separated from the rubber product 10. Since the demolding length becomes shorter, the bearing capacity of the mold core becomes stronger, and the probability of bending during the demolding process is reduced. When demolding, the upper plate mold core 41 can be removed first, and then the rubber product 10 can be moved and separated from the lower plate mold core 42, so that the demolding operation can be performed more easily. Through the cooperation of the matching structure 7, the degree of wear is reduced, and the problem of inaccurate positioning caused by rapid wear of the mold is avoided.

[0036] The support assembly 2 includes a lower plate 21, a middle plate 22, and an upper plate 23. The lower plate 21 is slidably connected to the top of the bottom plate 1, and the middle plate 22 is slidably connected to the top of the lower plate 21. During production, the upper plate 23 contacts the top of the middle plate 22.

[0037] The lower plate 21, the middle plate 22 and the upper plate 23 are fitted together to form a closed cavity for filling and molding the mold;

[0038] The pressing assembly 3 includes a pressing plate 31 and a boss 32. The boss 32 is fixedly connected to the bottom of the pressing plate 31 and is slidably connected to the top of the upper plate 23.

[0039] The burr removal assembly 5 includes an upper plate outer diameter cutting edge 51 and a lower plate outer diameter cutting edge 52. The upper plate outer diameter cutting edge 51 and the lower plate outer diameter cutting edge 52 are symmetrically fixedly connected to the top and bottom of the middle plate 22 respectively. There are two sets of the upper plate outer diameter cutting edge 51 and the lower plate outer diameter cutting edge 52.

[0040] During demoulding, the upper plate 23 is separated from the middle plate 22, and the burrs of the rubber product 10 are cut off by the upper plate outer diameter cutting edge 51 and the lower plate outer diameter cutting edge 52. The upper plate outer diameter cutting edge 51 and the lower plate outer diameter cutting edge 52 can avoid the generation of extra burrs during demoulding.

[0041] The matching structure 7 includes an upper plate slope groove 71, a lower plate slope groove 72 and a middle plate slope groove 73. The upper plate slope groove 71 is opened at the top of the upper plate 23, the middle plate slope groove 73 is opened at the bottom of the middle plate 22, and the lower plate slope groove 72 is opened at the bottom of the lower plate 21.

[0042] The boss 32 is in sliding fit with the upper plate ramp groove 71;

[0043] The lower plate 21 is slidably engaged with the middle plate slope groove 73;

[0044] The bottom plate 1 is in sliding engagement with the lower plate ramp groove 72;

[0045] After heating the mold, sprinkle demoulding water on the upper plate mold core 41 to ensure that the mold core is separated from the lower plate mold core 42;

[0046] The pressing plate 31 is slidably fitted with the upper plate 23 to prevent the mold core from locking. The upper plate 23, the middle plate 22 and the lower plate 21 are tightly fitted with an inclination to prevent the rubber product 10 from being offset from the mold.

[0047] The upper plate mold core 41 and the lower plate mold core 42 are configured to be gourd-shaped with a plurality of elliptical balls connected in series.

[0048] Example 2

[0049] Based on the first embodiment, please refer to the appendix of the specification. Figure 1-8 , a mold for gourd-shaped mold forming,

[0050] A matching groove 12 is formed on the top of the upper plate 23, and a spring 11 is fixedly connected between the matching groove 12 and the bottom surface of the pressing plate 31;

[0051] A spring 11 is installed between the pressing plate 31 and the upper plate 23 to allow the upper plate 23, the middle plate 22, and the lower plate 21 to be pressed tightly before the glue is added, so that the burrs of the rubber product 10 are more beautiful.

[0052] The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field. The standard parts used can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connections adopt conventional connection methods in the existing technology, which will not be described in detail here.

[0053] This utility model is not limited to the above-described embodiments. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of this utility model shall be considered equivalent substitutions and shall be included within the protection scope of this utility model.

Claims

1. A mold for gourd-shaped mold forming, comprising a bottom plate (1), characterized in that: The bottom plate (1) is provided with a support assembly (2) for supporting the mold core; A material pressing assembly (3) for pressing materials is arranged on the top of the support assembly (2); a forming mold core assembly (4) for making a rubber mold is arranged on the bottom plate (1) and the material pressing assembly (3); the forming mold core assembly (4) comprises an upper plate mold core (41) and a lower plate mold core (42); the upper plate mold core (41) is fixedly connected to the material pressing assembly (3); the lower plate mold core (42) is fixedly connected to the bottom plate (1); during processing, the ends of the upper plate mold core (41) and the lower plate mold core (42) are butted against each other; The material pressing component (3) is provided with a material shooting hole (8) for feeding material.

2. The mold for gourd-shaped mold forming according to claim 1, characterized in that: The support assembly (2) comprises a lower plate (21), a middle plate (22) and an upper plate (23); the lower plate (21) is slidably connected to the top of the bottom plate (1); the middle plate (22) is slidably connected to the top of the lower plate (21); during production, the upper plate (23) is in contact with the top of the middle plate (22).

3. The mold for gourd-shaped mold forming according to claim 2, characterized in that: The pressing assembly (3) comprises a pressing plate (31) and a boss (32), wherein the boss (32) is fixedly connected to the bottom of the pressing plate (31), and the boss (32) is slidably connected to the top of the upper plate (23).

4. The mold for gourd-shaped mold forming according to claim 3, characterized in that: It also includes a burr removal component (5), the burr removal component (5) including an upper plate outer diameter cutting edge (51) and a lower plate outer diameter cutting edge (52), the upper plate outer diameter cutting edge (51) and the lower plate outer diameter cutting edge (52) are symmetrically fixedly connected to the top and the bottom of the middle plate (22), respectively, and two groups of the upper plate outer diameter cutting edge (51) and the lower plate outer diameter cutting edge (52) are provided.

5. The mold for gourd-shaped mold forming according to claim 4, characterized in that: The invention also comprises a matching structure (7), wherein the matching structure (7) comprises an upper plate slope groove (71), a lower plate slope groove (72) and a middle plate slope groove (73), wherein the upper plate slope groove (71) is provided at the top of the upper plate (23), the middle plate slope groove (73) is provided at the bottom of the middle plate (22), and the lower plate slope groove (72) is provided at the bottom of the lower plate (21).

6. The mold for gourd-shaped mold forming according to claim 5, characterized in that: The boss (32) is slidably matched with the upper plate slope groove (71); The lower plate (21) is slidably matched with the middle plate slope groove (73); The bottom plate (1) is slidably matched with the lower plate slope groove (72).

7. The mold for gourd-shaped mold forming according to claim 6, characterized in that: The upper plate mold core (41) and the lower plate mold core (42) are configured in the shape of a gourd formed by connecting a plurality of elliptical balls in series.

8. The mold for gourd-shaped mold forming according to claim 7, characterized in that: A matching groove (12) is provided on the top of the upper plate (23), and a spring (11) is fixedly connected between the matching groove (12) and the bottom surface of the pressing plate (31).

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