Die and forming equipment

Abstract

The mold is used for integrally forming an insert and a plastic part, the insert comprises an embedding part and an installation part which are connected, the embedding part is used for embedding the plastic part, the installation part is used for being installed with an external structure, the mold comprises a male mold core and a female mold core, and the female mold core is used for being inserted into the plastic part when the female mold core and the male mold core are closed. The female mold core and the male mold core are enclosed to form an injection molding cavity and an avoiding cavity which are independent from each other, the injection molding cavity is used for injecting plastic melt after the embedding part extends into the injection molding cavity, so that a plastic part is formed around the embedding part, and the avoiding cavity is used for accommodating the mounting part, so that the mounting part is exposed out of the plastic part; a positioning mechanism is arranged on the inner wall, facing the male mold core, of the female mold core and used for positioning the insert. The mold provided by the utility model has the advantages that the alignment precision is improved, and the insert is prevented from being damaged by pressing.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of injection molding, in particular to a mold and a molding equipment. BACKGROUND

[0002] The insert molding technology includes placing an integrated 3D iron part in a specific position of the mold, then flowing and solidifying the plastic around the iron part through the injection molding process, and finally forming an integrated product closely combined with the iron part. With the continuous miniaturization and multifunctional development of electronic products, the iron part presents the significant characteristics of thin thickness and complex structure.

[0003] Generally, the iron part is usually implanted on the side of the male mold core to achieve a more efficient production process and a more stable product structure. However, during the clamping process, due to low positioning accuracy, unreasonable mold structure design, unstable injection pressure and other factors, the female mold is prone to cause pressure damage to the integrated 3D iron part, thereby causing defects in the appearance of the integrated product, such as uneven surface, scratches, depressions, etc., which may also affect the mechanical and electrical properties of the integrated product, reduce the strength, hardness, insulation and other indicators of the integrated product, and ultimately reduce the quality of the integrated product. CONTENT OF THE UTILITY MODEL

[0004] In view of the above, it is necessary to propose a mold to optimize the implantation of the insert during the injection molding process, improve the positioning accuracy, and avoid the pressure damage of the mold to the insert caused by various adverse factors during the clamping process, thereby improving the product quality.

[0005] To achieve the above-mentioned purpose, the present application provides a mold for integrally molding an insert and a plastic part, the insert comprising a connecting embedded part and a mounting part, the embedded part being used for embedding the plastic part, and the mounting part being used for mounting with an external structure, the mold comprising a male mold core and a female mold core, the female mold core being used for forming an injection cavity and a avoiding cavity independently of each other with the male mold core when the female mold core is clamped with the male mold core, the injection cavity being used for injecting plastic melt after the embedded part is inserted into the injection cavity, so as to form a plastic part around the embedded part, and the avoiding cavity being used for accommodating the mounting part so that the mounting part is exposed outside the plastic part; a positioning mechanism is arranged on the inner wall of the female mold core facing the male mold core, and the positioning mechanism is used for positioning the insert.

[0006] In some possible embodiments, the positioning mechanism comprises a supporting boss, the supporting boss being protruded on the inner wall of the female mold core facing the male mold core, the supporting boss being used for supporting the insert so that the embedded part forms a gap with the inner wall of the injection cavity, and the supporting boss being located between the avoiding cavity and the injection cavity when the female mold core is clamped with the male mold core to separate the avoiding cavity from the injection cavity.

[0007] In some possible embodiments, the embedded part comprises a connecting part connected between the embedded part and the mounting part, the embedded part and the mounting part are bent away from the connecting part, a supporting surface of the supporting boss is adapted to a surface of the connecting part to be fitted with the connecting part, the female mold is provided with a clearance groove on an inner wall of the injection cavity for accommodating the embedded part.

[0008] In some possible embodiments, the supporting boss has a wall surface away from the injection cavity, the clearance cavity is arranged on a side where the wall surface is located, and the wall surface of the supporting boss is continuous with a wall surface of the clearance cavity; and / or the male mold core comprises a pressing wall, the pressing wall comprises a first wall surface corresponding to the supporting boss and a second wall surface provided with a pressing boss, a height of the supporting boss protruding from an inner wall of the female mold core is h1, a thickness of the connecting part of the embedded part is h2, a height of the pressing boss protruding from the first wall surface is h3, and h3 = h1 + h2 is satisfied, and the first wall surface and the pressing boss close the cavity opening of the clearance cavity when the male mold core and the female mold are closed.

[0009] In some possible embodiments, the embedded part further comprises a body, the embedded part and the mounting part are connected to a periphery of the body, the female mold has a mounting area corresponding to the body, the clearance cavity is arranged at a periphery of the mounting area, and the positioning mechanism comprises a suction nozzle arranged on the female mold, the suction nozzle is arranged at the mounting area to be used for adsorbing the body.

[0010] In some possible embodiments, the body is provided with a positioning hole, the positioning mechanism comprises a positioning boss arranged at the mounting area, the positioning boss is arranged in a spaced manner with the suction nozzle, and the positioning boss is used for positioning cooperation with the positioning hole.

[0011] In some possible embodiments, the positioning hole comprises a first positioning hole and a second positioning hole, a hole diameter of the first positioning hole is greater than a hole diameter of the second positioning hole, the positioning boss comprises a first pin column and a second pin column, an outer diameter of the first pin column is adapted to the first positioning hole, and an outer diameter of the second pin column is less than half of the hole diameter of the second positioning hole.

[0012] In some possible embodiments, the positioning mechanism comprises a plurality of positioning bosses, the plurality of positioning bosses are arranged in a spaced manner along a rim of the mounting area, and the plurality of positioning bosses are used for defining the body arranged at the mounting area.

[0013] In some possible embodiments, the female mold is provided with a guide hole at a part of the mounting area, the guide hole is arranged adjacent to the suction nozzle, the male mold core is provided with a guide column, and the guide column is used for guiding cooperation with the guide hole.

[0014] A molding device comprising the mold as described above.

[0015] The mold of the present application precisely positions the insert by setting a positioning mechanism on the inner wall of the female mold core towards the male mold core, improving the positioning accuracy of the insert in the mold. At the same time, the female mold core and the male mold core form independent injection cavities and avoidance cavities when they are closed. The avoidance cavities play a positioning role. During the closing process, the mounting part of the insert is accurately accommodated in the avoidance cavity, which not only effectively restricts the displacement of the insert in the horizontal direction and prevents it from deviating due to the closing impact or injection pressure fluctuations, but also cooperates with the positioning mechanism to further ensure the stability of the overall position of the insert. Thus, the situation that the mold causes pressure damage to the insert due to factors such as low positioning accuracy, unreasonable mold structure design, and unstable injection pressure during the closing process is avoided, thereby improving the appearance quality of the integrated product, reducing the appearance of surface unevenness, scratches, and depressions, and effectively improving the overall quality of the final product of integrated molding. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The partial cross-sectional view of the male mold core and the female mold core of the mold provided by an embodiment of the present application before closing.

[0017] Figure 2 The partial cross-sectional view of the male mold core and the female mold core of the mold provided by an embodiment of the present application after closing.

[0018] Figure 3 The overall schematic view of the insert provided by an embodiment of the present application.

[0019] Figure 4 The overall schematic view of the male mold core of the mold provided by an embodiment of the present application.

[0020] Figure 5 The overall schematic view of the female mold core of the mold provided by an embodiment of the present application.

[0021] Figure 6 The overall schematic view of the mold provided by an embodiment of the present application.

[0022] Explanation of main element symbols

[0023] Mold 100

[0024] Insert 200

[0025] Insertion part 201

[0026] Mounting part 202

[0027] Connecting part 203

[0028] Body 204

[0029] First positioning hole 205a

[0030] Second positioning hole 205b

[0031] Male die stem 10

[0032] Female die stem 20

[0033] Injection cavity 30

[0034] Avoidance cavity 40

[0035] Positioning mechanism 50

[0036] Supporting boss 51

[0037] Positioning convex part 52

[0038] First pin column 521

[0039] Second pin column 522

[0040] Suction nozzle 53

[0041] Let go of the slot 11

[0042] Pushing wall 12

[0043] First wall surface 121

[0044] Second wall surface 122

[0045] Pushing boss 123

[0046] Installation area 101

[0047] Guide hole 21

[0048] Guide column 13

[0049] Male die plate 70

[0050] Ejection plate 71

[0051] Female die plate 60

[0052] Pressing plate 61

[0053] Gap S. Specific implementation

[0054] Embodiments of the present application are described in detail below. The embodiments described below are exemplary only, and are not intended to be limiting of the present application; it being understood that unless otherwise defined, all technical and scientific terms used herein are intended to have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; and that any methods and materials described herein are intended to encompass both current and future technologies that perform the same function, unless otherwise specified. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The described embodiments are merely one part of the present application, and are not all of the embodiments of the present application.

[0055] Referring to Figure 1 The embodiments of the present application provide a mold 100 for integrally molding an insert 200 and a plastic part. The insert 200 includes an embedded part 201 and a mounting part 202 connected to the embedded part 201. The mounting part 202 is used to connect to an external structure. The embedded part 201 is used to embed the plastic part. The insert 200 can be a three-dimensional iron part. The external structure can be a mobile phone shell.

[0056] Referring to Figure 1 and Figure 2 The mold 100 includes a male mold core 10 and a female mold core 20 matched with the male mold core 10. The male mold core 10 and the female mold core 20 form an injection cavity 30 and a relief cavity 40 after being matched. The injection cavity 30 and the relief cavity 40 are independent of each other, that is, the injection cavity 30 and the relief cavity 40 are not communicated. The injection cavity 30 is used for the embedded part 201 to extend into and inject plastic melt, so as to form a plastic part around the embedded part 201. The relief cavity 40 is used to accommodate the mounting part 202, so that the mounting part 202 is exposed to the plastic part. At the same time, the relief cavity 40 can limit the mounting part 202, so that the mounting part 202 will not be displaced to a large extent due to external force during the matching process. The inner wall of the female mold core 20 facing the male mold core 10 is provided with a positioning mechanism 50, which is used to further position the insert 200. In this way, the insert 200 can be stably positioned at a predetermined position during the entire injection molding process, reducing the situation that the male mold core 10 or the female mold core 20 causes pressure damage to the insert 200 due to low alignment accuracy during the matching process, unstable injection pressure and other factors, and is beneficial to improve the appearance quality of the final product, so that the surface of the final product is smooth and flat, without scratches, depressions and other defects.

[0057] In the embodiment, the insert 200 further comprises a connecting portion 203, two ends of the connecting portion 203 are connected with the embedding portion 201 and the mounting portion 202 respectively, and the embedding portion 201 and the mounting portion 202 are bent away from the connecting portion 203. The positioning mechanism 50 comprises a supporting boss 51. The supporting boss 51 is protruded on the inner wall of the female mold core 20 towards the male mold core 10, and is used to support the insert 200, so that a gap S is formed between the embedding portion 201 and the inner wall of the injection cavity 30, and the gap S is communicated with the injection cavity 30.

[0058] When the female mold core 20 and the male mold core 10 are closed, the supporting boss 51 is located between the avoiding cavity 40 and the injection cavity 30, thereby separating the avoiding cavity 40 and the injection cavity 30. During the injection process, the plastic melt in the injection cavity 30 can wrap the embedding portion 201 along the gap S, avoiding the problem of uneven filling of the melt due to the too tight fit of the insert 200 and the wall of the injection cavity 30, and ensuring the integrity and consistency of the plastic part around the embedding portion 201. Moreover, due to the stable supporting effect of the supporting boss 51 on the insert 200, the insert 200 is always in a precise position during the closing and injection process, further improving the molding precision and quality of the final product.

[0059] In the embodiment, the supporting surface of the supporting boss 51 is matched with the surface of the connecting portion 203, so as to be fitted with the connecting portion 203, so that the supporting boss 51 can provide stable and uniform supporting force for the insert 200. Specifically, the supporting surface of the supporting boss 51 and the surface of the connecting portion 203 are both flat. During the closing and injection process, the connecting portion 203 of the insert 200 can be in close contact with the supporting boss 51, avoiding the shaking or tilting of the insert 200 due to the mismatch of the supporting surface, and improving the positioning precision and stability of the insert 200 in the mold 100.

[0060] In the embodiment, the inner wall of the male mold core 10 located in the injection cavity 30 is provided with a clearance groove 11, and the clearance groove 11 is used to accommodate the embedding portion 201. When the mold is closed, the embedding portion 201 can smoothly enter the clearance groove 11, and the shape and size of the clearance groove 11 are matched with the embedding portion 201, which can not only ensure that the embedding portion 201 has enough space to be uniformly wrapped by the plastic melt during the injection process, but also can reduce the phenomenon of uneven distribution or overflow of the plastic melt around the embedding portion 201 due to the too large gap S.

[0061] In the embodiment, the support boss 51 has a wall surface facing away from the injection cavity 30, and the avoidance cavity 40 is arranged on the side where the wall surface is located. The wall surface of the support boss 51 is continuous with the wall surface of the avoidance cavity 40, that is, the wall surface of the support boss 51 is connected to the wall surface of the avoidance cavity 40. Specifically, the wall surface of the support boss 51 is flush with the wall surface of the avoidance cavity 40. In this way, the mounting portion 202 of the insert 200 can be placed more stably in the avoidance cavity 40, and the cooperation with the support boss 51 is more closely coordinated, which is conducive to maintaining the stability of the overall structure during the mold closing process.

[0062] In the embodiment, the male mold core 10 includes a pressing wall 12, and the pressing wall 12 includes a first wall surface 121 and a second wall surface 122. The first wall surface 121 corresponds to the support boss 51. The second wall surface 122 is provided with a pressing boss 123. The height of the support boss 51 protruding from the inner wall of the female mold core 20 is h1. The thickness of the connecting portion 203 of the insert 200 is h2. The height of the pressing boss 123 protruding from the first wall surface 121 is h3. h1, h2, and h3 satisfy h3 = h1 + h2. In this way, when the male mold core 10 and the female mold core 20 are closed, the first wall surface 121 and the pressing boss 123 close the cavity opening of the avoidance cavity 40, ensuring that the mounting portion 202 of the insert 200 is properly limited and fixed during mold closing, reducing the displacement or deformation of the insert 200 during the injection process due to the injection pressure and other factors, thereby further ensuring the molding precision and quality of the final product.

[0063] Please refer to Figure 2 、 Figure 3 、 Figure 4 and Figure 5 In the embodiment, the insert 200 further includes a body 204, and the embedding portion 201 and the mounting portion 202 are connected to two ends of the body 204. The female mold 100 is provided with a mounting area 101 corresponding to the body 204, and the avoidance cavity 40 is arranged at the periphery of the mounting area 101. The positioning mechanism 50 further includes a suction nozzle 53 arranged on the female mold core 20, and the suction nozzle 53 is located at the mounting area 101 to adsorb the body 204. In this way, during the placement of the insert 200 before the mold 100 is closed, the suction nozzle 53 can adsorb the body 204 of the insert 200 by generating suction force, so that the insert 200 is quickly and accurately positioned in the mounting area 101, improving the initial positioning accuracy of the insert 200, and effectively avoiding the misalignment problem caused by manual placement errors.

[0064] In the present embodiment, the body 204 is provided with a positioning hole 205. The positioning mechanism 50 includes a positioning protrusion 52 provided on the mounting area 101. The positioning protrusion 52 is spaced apart from a suction nozzle 53. The positioning protrusion 52 is used for positioning cooperation with the positioning hole 205. When the insert 200 is placed, the suction nozzle 53 first adsorbs the body 204, so that the body 204 is preliminarily positioned on the mounting area 101, and then the positioning protrusion 52 is inserted into the positioning hole 205, so that the insert 200 is accurately positioned in the mold core 20. The suction nozzle 53 provides adsorption force to resist external interference, so as to ensure that the position of the insert 200 is relatively stable before the mold is closed. The cooperation of the positioning protrusion 52 and the positioning hole 205 limits the degree of freedom of the insert 200 in geometry, so that the position of the insert 200 in the mold 100 has high consistency and accuracy. In this way, during the injection molding process, the insert 200 can always maintain the ideal position, and the plastic melt can uniformly wrap the embedded part 201 when injected into the injection cavity 30, so that the connection between the plastic part and the insert 200 is more firm, and the quality problems such as uneven thickness and strength reduction of the plastic part caused by the deviation of the insert 200 are reduced.

[0065] In the present embodiment, the positioning hole 205 includes a first positioning hole 205a and a second positioning hole 205b. The diameter of the first positioning hole 205a is greater than the diameter of the second positioning hole 205b. The positioning protrusion 52 includes a first pin 521 and a second pin 522. The outer diameter of the first pin 521 is adapted to the first positioning hole 205a, and the outer diameter of the second pin 522 is less than half of the diameter of the second positioning hole 205b. In the actual positioning process, the first pin 521 is inserted into the first positioning hole 205a, and due to the close fit between the outer diameter of the first pin 521 and the first positioning hole 205a, the translational freedom of the insert 200 can be limited to a greater extent, so as to determine the approximate position of the insert 200 in the plane. The second pin 522 is inserted into the second positioning hole 205b, and because the outer diameter of the second pin 522 is small, it can more accurately limit the rotation of the insert 200, prevent the insert 200 from unnecessary rotation inside the mold 100 due to injection pressure and other factors, and further improve the accuracy and stability of the positioning of the insert 200.

[0066] In the present embodiment, the positioning mechanism 50 includes a plurality of positioning protrusions 52, which are spaced apart along the edge of the mounting area 101, and the plurality of positioning protrusions 52 are used for defining the body 204 provided on the mounting area 101. In this way, the body 204 can be accurately positioned and constrained in multiple directions within the mounting area 101. The plurality of positioning protrusions 52 are distributed along the edge, which can evenly share the positioning pressure and prevent the body 204 from deviating or deforming due to uneven stress in a local area. During the mold closing process, external force interference from any direction can be effectively resisted by the positioning protrusions 52 distributed along the edge, so as to ensure that the body 204 always stably stays in the pre-set accurate position.

[0067] In the embodiment, the female die core 20 is provided with a guide hole 21 at the position of the mounting area 101, the guide hole 21 is arranged adjacent to the suction nozzle 53, the male die core 10 is provided with a guide column 13 for guiding cooperation with the guide hole 21. During the clamping process, the guide column 13 is precisely connected with the guide hole 21, which provides accurate path guidance for the closure of the male die core 10 and the female die core 20.

[0068] Please refer to Figure 6 In the embodiment, the mold 100 further comprises a male die plate 70 and a female die plate 60, the male die plate 70 is matched with the female die plate 60. The male die plate 70 is connected to the side of the male die core 10 away from the female die core 20. The female die plate 60 is arranged on the side of the female die core 20 away from the male die core 10. The male die plate 70 comprises an ejection plate 71 for ejecting the final product from the mold 100 after the molding is completed. The female die plate 60 comprises a pressing plate 61 configured to apply pressure to the female die core 20 when the mold 100 is clamped. When the mold 100 is clamped, the pressing plate 61 is tightly attached to the female die core 20 under the action of the clamping force, and a certain pressure is applied to the female die core 20.

[0069] An embodiment of the present application further provides a molding equipment (not shown in the figure), comprising the above-mentioned mold 100, a suction mechanism (not shown in the figure), a fixing mechanism (not shown in the figure) and a mechanical hand (not shown in the figure). The suction mechanism is connected to the suction nozzle 53 on the female die core 20 of the mold 100, and is used to generate negative pressure to suck the insert 200, so as to ensure that the initial positioning of the insert 200 in the mold 100 is accurate and stable. The fixing mechanism is used to firmly fix each component of the mold 100 in the corresponding position of the molding equipment, so as to ensure the stability of the overall structure of the mold 100 during the injection molding process. The mechanical hand is used to accurately grasp the insert 200 in the external space of the mold 100, and accurately place it into the mounting area 101 of the female die core 20.

[0070] In specific work, first, the mechanical hand grasps the insert 200 at a pre-set material taking position, accurately moves the insert 200 to a pre-determined dropping position above the female die core 20 through the internal visual recognition system and motion control algorithm, and performs implantation operation.

[0071] Secondly, after the insert 200 reaches the dropping position, the suction mechanism is started to generate negative pressure and suck the body 204 of the insert 200 to the mounting area 101 of the female die core 20 through the suction nozzle 53 of the female die core 20. At the same time, the positioning convex part 52 in the positioning mechanism 50 cooperates with the positioning hole 205 on the body 204 of the insert 200, further accurately limits the position of the insert 200, and ensures that the mounting part 202 is accurately hidden in the groove of the female die core 20;

[0072] Then, the male die core 10 starts to move towards the female die core 20 under the driving of the power device. During the clamping process, the guide column 13 of the male die core 10 precisely matches the guide hole 21 of the female die core 20, guiding the male die core 10 and the female die core 20 to stably close, avoiding the damage of clamping deviation to the insert 200 and the mold 100. After the clamping is completed, the injection molding is started. The plastic melt is uniformly filled into the injection cavity 30 under the action of pressure, wrapping the embedded part 201 of the insert 200, and forming a plastic part that is tightly combined with the insert 200.

[0073] Finally, after the injection molding is completed and the pressure maintaining and cooling stage is passed, the mold 100 is opened. The ejection plate 71 of the male die plate 70 ejects the final product from the mold 100 under the action of the driving mechanism. During the ejection process, the ejection plate 71 uniformly applies force, ensuring that the final product is smoothly demolded and will not be damaged due to uneven force. After the final product is demolded, it is conveyed to the subsequent processing or detection station, and thus a complete molding cycle is completed, and the equipment is ready for the next round of production.

[0074] The above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced without departing from the spirit and scope of the present application.

Claims

1. A mold characterized in that, The application relates to a mold for integrally molding an insert with a plastic part, the insert comprising a connecting part and a mounting part, the connecting part being used for embedding the plastic part, and the mounting part being used for mounting with an external structure, the mold comprising: a male mold core; a female mold core, when the male mold core and the female mold core are combined, the female mold core and the male mold core form an injection cavity and a avoiding cavity independently, the injection cavity is used for embedding the connecting part into the plastic part to form a plastic part around the connecting part, and the avoiding cavity is used for accommodating the mounting part so that the mounting part is exposed outside the plastic part; the female mold core is provided with a positioning mechanism on the inner wall of the female mold core facing the male mold core, and the positioning mechanism is used for positioning the insert.

2. The mold of claim 1, wherein, The positioning mechanism comprises a supporting boss, the supporting boss is provided on the inner wall of the female mold core facing the male mold core, and the supporting boss is used for supporting the insert so that the connecting part and the inner wall of the injection cavity form a gap; when the female mold core and the male mold core are combined, the supporting boss is located between the avoiding cavity and the injection cavity to separate the avoiding cavity and the injection cavity.

3. The mold of claim 2, wherein, The connecting part is connected between the connecting part and the mounting part, the connecting part and the mounting part are bent away from the connecting part, the supporting surface of the supporting boss is matched with the surface of the connecting part to be fitted with the connecting part, and the female mold is provided with a clearance groove on the inner wall of the injection cavity, and the clearance groove is used for accommodating the connecting part.

4. The mold of claim 3, wherein, The supporting boss has a wall surface away from the injection cavity, the avoiding cavity is arranged on one side of the wall surface, and the wall surface of the supporting boss is continuous with the wall surface of the avoiding cavity; and / or, The male mold core comprises a pressing wall, the pressing wall comprises a first wall surface and a second wall surface, the first wall surface corresponds to the supporting boss, the second wall surface is provided with a pressing boss, the height h1 of the supporting boss protruding from the inner wall of the female mold core is h1, the thickness h2 of the connecting part of the insert is h2, the height h3 of the pressing boss protruding from the first wall surface is h3, and the following conditions are met: h3=h1+h2, and the first wall surface and the pressing boss close the cavity opening of the avoiding cavity when the male mold core and the female mold are combined.

5. The mold of claim 1, wherein, The insert further comprises a body, the connecting part and the mounting part are connected to the periphery of the body, the female mold has a mounting area corresponding to the body, the avoiding cavity is arranged on the periphery of the mounting area, and the positioning mechanism comprises a suction nozzle arranged on the female mold, and the suction nozzle is located on the mounting area and used for adsorbing the body.

6. The mold of claim 5, wherein, The body is provided with a positioning hole, the positioning mechanism comprises a positioning convex part arranged on the mounting area, the positioning convex part is arranged in a spaced mode with the suction nozzle, and the positioning convex part is used for positioning cooperation with the positioning hole.

7. The mold of claim 6, wherein The positioning hole comprises a first positioning hole and a second positioning hole, the hole diameter of the first positioning hole is larger than the hole diameter of the second positioning hole, the positioning convex part comprises a first pin column and a second pin column, the outer diameter of the first pin column is matched with the first positioning hole, and the outer diameter of the second pin column is smaller than half of the hole diameter of the second positioning hole.

8. The mold of claim 5, wherein, The positioning mechanism comprises a plurality of positioning protrusions, which are arranged at intervals along the edge of the mounting area and used to define the body provided on the mounting area.

9. The mold of claim 5, wherein, The female mold is provided with a guide hole at the position of the mounting area, the guide hole is arranged adjacent to the suction nozzle, the male mold core is provided with a guide column, and the guide column is used to guide the guide hole.

10. A molding apparatus characterized by comprising: A mold comprising any one of claims 1 to 9.

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