Epoxy injection mold structure

Abstract

The embodiment of the utility model provides an epoxy injection mold structure. The epoxy injection mold structure comprises a mold body and a positioning tool, the positioning tool comprises an annular mold sliding block and a metal net ring positioning and fixing structure. The metal net ring positioning and fixing structure is used for coaxially fixing a metal net ring and the annular mold sliding block to the annular mold sliding block. A cavity is formed in the mold body, a groove matched with the annular mold sliding block is formed in the cavity, and the groove is used for containing the annular mold sliding block. According to the technical scheme, the metal net ring can be positioned and fixed, and when the mold structure is used for producing a product with the metal net ring, the metal net ring is positioned and fixed through a positioning tool, then is placed in a middle cavity of the mold body and is restrained by the annular mold sliding block and the net ring sliding block in the injection molding process, and displacement is not prone to occurring; therefore, the position of the metal net ring can be kept in the middle, and the reject ratio of produced products can be greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electrical insulation part manufacturing technical field, especially related to an epoxy injection mold structure. BACKGROUND

[0002] In electrical insulation part products, there is usually a metal mesh ring, which usually plays a shielding role and has a great influence on the electrical performance of the product. When using a mold to produce products with a metal mesh ring, the metal mesh ring is often not centered, which affects the performance of the produced products and the service life of the products. In severe cases, it may cause the product to be scrapped. SUMMARY

[0003] In view of the above problems existing in the prior art, the purpose of the utility model embodiment is to provide an epoxy injection mold structure.

[0004] The technical scheme adopted by the utility model embodiment is an epoxy injection mold structure, which comprises a mold body and a positioning tool.

[0005] The positioning tool comprises an annular mold slider and a metal mesh ring positioning and fixing structure, and the metal mesh ring positioning and fixing structure is used to fix the metal mesh ring and the annular mold slider coaxially on the annular mold slider.

[0006] The mold body is provided with a cavity, and the cavity is provided with a groove matched with the annular mold slider, and the groove is used to accommodate the annular mold slider.

[0007] Further, the mold body is composed of a plurality of mold pieces, the mold pieces are provided with recesses, the mold pieces are combined to form a cavity, and the recesses on each mold piece are connected in the cavity to form a groove matched with the annular mold slider.

[0008] Further, the metal mesh ring positioning and fixing structure comprises a plurality of mesh ring sliders, a plurality of the mesh ring sliders are installed on the annular mold slider, a pin hole is formed on the mesh ring slider, the pin hole is perpendicular to the central axis of the annular mold slider, a screw hole is formed on the mesh ring slider, the screw hole is in communication with the pin hole, a pin is arranged in the pin hole, one end of the pin extends out of the pin hole to connect the metal mesh ring, a screw is screwed into the screw hole, and the screw is rotated to abut against the pin to fix the pin.

[0009] Further, the metal mesh ring positioning and fixing structure further comprises a first supporting tool and a second supporting tool, the first supporting tool is in the shape of a round cake, the second supporting tool is in the shape of a ring, the first supporting tool and the second supporting tool are coaxially arranged, the annular mold slider is placed between the first supporting tool and the second supporting tool, and the inner diameter of the second supporting tool is consistent with the outer diameter of the annular mold slider.

[0010] Further, the metal mesh positioning and fixing structure further comprises a third supporting tool, the third supporting tool is arc-shaped, the outer radius of the third supporting tool is consistent with the inner radius of the annular mold sliding block, and the inner radius of the third supporting tool is consistent with the outer radius of the metal mesh, the third supporting tool is arranged between the annular mold sliding block and the metal mesh, and is used for adjusting the distance between the metal mesh and the inner side wall of the annular mold sliding block to be consistent.

[0011] Further, the inner side of the annular mold sliding block is provided with a plurality of notch grooves matched with the mesh sliding block, one end of the notch groove extends to the top of the annular mold sliding block and is communicated with the outside, and the mesh sliding block can be embedded into the notch groove.

[0012] Further, the fixed section is fixedly connected to the metal mesh at one end, and is butt-jointed with the movable section at the other end, and the movable section is arranged in the pin hole.

[0013] Further, the end of the fixed section butt-jointed with the movable section is provided with a threaded hole, the end of the movable section butt-jointed with the fixed section is fixedly connected with a stud matched with the threaded hole, and the stud is screwed into the threaded hole to butt-joint the fixed section with the movable section.

[0014] Compared with the prior art, the epoxy injection mold structure can position and fix the metal mesh, when the product with the metal mesh is produced by using the mold structure, the metal mesh is positioned and fixed by the positioning tool and is placed in the mold body, and the metal mesh is not easy to displace in the injection process due to the constraint of the annular mold sliding block and the mesh sliding block, so that the position of the metal mesh can be kept in the middle, and the product failure rate can be greatly reduced.

[0015] It should be understood that the foregoing general description and the following detailed description are only exemplary and explanatory in nature and not intended to limit the present application.

[0016] The foregoing summary of various implementations or examples of the technology described in this application is not a comprehensive disclosure of the entire scope or all features of the disclosed technology. BRIEF DESCRIPTION OF DRAWINGS

[0017] In the drawings, which are not necessarily drawn to scale, like numerals can describe similar components in different views. Like numerals having different letter suffixes can represent different instances of similar components. The drawings illustrate generally, by way of example, various embodiments of the application and are not intended to limit the application. The same reference numerals in different drawings can identify the same or similar elements. Such embodiments of the application can be used in any combination, and exchange of elements between embodiments is intended to be within the scope of the application. The drawings are intended to facilitate an understanding of the application and are not intended to limit the application in its scope.

[0018] Fig. 1 A positioning tool structure schematic view of the embodiment of the utility model.

[0019] Fig. 2 A mesh ring slider installation sectional structure schematic view of the embodiment of the utility model.

[0020] Fig. 3 A pin structure schematic view of the embodiment of the utility model.

[0021] Fig. 4 A mold body schematic view of the embodiment of the utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the technical scheme of the embodiment of the utility model will be described clearly and completely below by combining the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the utility model protection.

[0023] Unless otherwise defined, the technical terms or scientific terms used in the utility model should be understood as the usual meaning by those skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connection" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0024] In order to keep the following description of the embodiment of the utility model clear and simple, the utility model omits the detailed description of known functions and known components.

[0025] Referring to Figs. 1 to 4 The embodiment of the utility model provides an epoxy injection mold structure, which comprises: a mold body 1 and a positioning tool.

[0026] The positioning tool comprises a ring-shaped mold slider 2 and a metal mesh ring positioning and fixing structure, which is used to fix the metal mesh ring coaxially on the ring-shaped mold slider 2.

[0027] The mold body 1 is provided with a cavity, and the cavity is provided with a groove matched with the ring-shaped mold slider 2, which is used to accommodate the ring-shaped mold slider 2.

[0028] The metal mesh ring can be positioned and fixed by the technical scheme, and when the mold structure is used to produce a product with a metal mesh ring, the metal mesh ring positioned and fixed by the positioning tool is placed in the cavity of the mold body 1 and is not easy to displace in the injection molding process due to the constraint of the ring-shaped mold slider 2 and the mesh ring slider 4, so that the position of the metal mesh ring can be kept in the middle, and the defective rate of the produced product can be greatly reduced.

[0029] In some embodiments, the mold body 1 is composed of a plurality of mold pieces provided with recesses 3, and the mold pieces are combined to form a cavity, and the recesses 3 on each mold piece are butted in the cavity to form a groove matched with the ring-shaped mold slider 2. In this embodiment, two mold pieces are taken as an example to combine to form a cavity. After the ring-shaped mold slider 2 is placed in the groove, the position is fixed, so that the position of the metal mesh ring connected with the ring-shaped mold slider 2 after being positioned by the positioning tool can also be fixed, so that the metal mesh ring is not easy to displace.

[0030] In some embodiments, the metal mesh ring positioning and fixing structure comprises a plurality of mesh ring sliders 4, and the mesh ring sliders 4 are installed on the ring-shaped mold slider 2. The mesh ring slider 4 is provided with a pin hole 5 perpendicular to the central axis of the ring-shaped mold slider 2, and a screw hole 6 is formed in the mesh ring slider 4, which is in communication with the pin hole 5. A pin 7 is arranged in the pin hole 5, one end of the pin 7 extends out of the pin hole 5 to connect the metal mesh ring, and a screw 8 is screwed into the screw hole 6, and the screw 8 is screwed into the pin 7 to fix the pin 7. The pin 7 is used to connect the metal mesh ring and the mesh ring slider 4, so that the metal mesh ring can be stably fixed in the ring-shaped mold slider 2, and the position of the metal mesh ring in the ring-shaped mold slider 2 can be adjusted by adjusting the extension length of the pin 7, and the metal mesh ring and the ring-shaped mold slider 2 can be adjusted and fixed to the coaxial state.

[0031] In some embodiments, the metal ring positioning and fixing structure further comprises a first supporting tool 9 and a second supporting tool 10, the first supporting tool 9 is in the shape of a pie, the second supporting tool 10 is in the shape of a ring, the first supporting tool 9 and the second supporting tool 10 are coaxially arranged, the ring-shaped mold sliding block 2 is placed between the first supporting tool 9 and the second supporting tool 10, and the inner diameter of the second supporting tool 10 is consistent with the outer diameter of the ring-shaped mold sliding block 2. The first supporting tool 9 and the second supporting tool 10 can shorten the time for adjusting and fixing the metal ring and the ring-shaped mold sliding block 2 to the coaxial state. When in use, the ring-shaped mold sliding block 2 can be directly fixed by being sleeved into the second supporting tool 10, the metal ring is directly sleeved on the first supporting tool 9, and the first supporting tool 9 and the second supporting tool 10 are coaxially arranged, so that the fixing of the metal ring can be completed by only adjusting and fixing the pin 7 after adjusting the extension length of the pin 7.

[0032] In some embodiments, the metal ring positioning and fixing structure further comprises a third supporting tool 11, the third supporting tool 11 is in the shape of an arc, the outer radius of the third supporting tool 11 is consistent with the inner radius of the ring-shaped mold sliding block 2, and the inner radius of the third supporting tool 11 is consistent with the outer radius of the metal ring. The third supporting tool 11 is placed between the ring-shaped mold sliding block 2 and the metal ring for adjusting the distance between the circumferential direction of the metal ring and the inner side wall of the ring-shaped mold sliding block 2 to be consistent. The third supporting tool 11 is used for limiting the distance between the circumferential direction of the metal ring and the inner side wall of the ring-shaped mold sliding block 2, and after the third supporting tool 11 is arranged, the distance between the circumferential direction of the metal ring and the inner side wall of the ring-shaped mold sliding block 2 can be quickly adjusted to be consistent, which helps to improve the positioning and fixing efficiency.

[0033] In some embodiments, a plurality of notch grooves 12 are arranged on the inner side of the ring-shaped mold sliding block 2 and matched with the ring sliding block 4, one end of the notch groove 12 extends to the top of the ring-shaped mold sliding block 2 and communicates with the outside, and the ring sliding block 4 can be embedded into the notch groove 12.

[0034] In some embodiments, the pin 7 comprises a fixed section 71 and a movable section 72, one end of the fixed section 71 is fixedly connected to the metal ring, the other end of the fixed section 71 is butted against the movable section 72, and the movable section 72 is arranged in the pin hole 5. The two-section pin 7 can facilitate demolding, the fixed section 71 is left in the workpiece during demolding, and the movable section 72 can be removed to quickly complete the demolding of the workpiece.

[0035] In some embodiments, the fixed section 71 is provided with a threaded hole 73 at the end abutting the movable section 72, the movable section 72 is fixedly connected with a stud 74 matched with the threaded hole 73 at the end abutting the fixed section 71, the stud 74 is screwed into the threaded hole 73 to abut the movable section 72 with the fixed section 71. The fixed section 71 and the movable section 72 are matched by the stud 74 with the threaded hole 73, which can improve the disassembly efficiency and conveniently adjust the extension length of the pin 7.

[0036] In use, the metal ring is first sleeved on the first supporting tool 9, the annular mold slider 2 is placed in the second supporting tool 10, the inner diameter of the second supporting tool 10 is matched with the outer diameter of the annular mold slider 2, and after being assembled, the position of the annular mold slider 2 is fixed, then the third supporting tool 11 is placed to adjust the distance between the metal ring and the inner side wall of the annular mold slider 2 to be uniform, and then the length of the pin 7 is adjusted and fixed.

[0037] The second supporting tool 10, the third supporting tool 11 and the first supporting tool 9 are coaxial, which means that the position of the metal ring is relatively fixed with the spatial position of the annular mold slider 2, and the metal ring and the annular mold slider 2 are also coaxial, then the combination of the annular mold slider 2 and the metal ring is taken down, and the combination is placed on the mold body 1, the groove matched with the annular mold slider 2 and the cavity of the mold body 1 are concentric, so the metal ring and the cavity of the mold body 1 are also concentric after being placed, which ensures that the metal ring is centered during production and will not be displaced or eccentric.

[0038] The above description is intended to be illustrative and not restrictive, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present disclosure. Moreover, the above examples (or one or more solutions thereof) can be used in combination with each other, and considering these embodiments can be combined with each other in various combinations or arrangements.

Claims

1. An epoxy-potting mold structure, characterized by comprising: The utility model relates to a metal mesh ring positioning and fixing structure of a mold body (1) and a positioning tool, and relates to the technical field of mold manufacturing. The positioning tool comprises a ring-shaped mold slider (2) and a metal mesh ring positioning and fixing structure for fixing a metal mesh ring coaxially with the ring-shaped mold slider (2) on the ring-shaped mold slider (2). The mold body (1) is provided with a cavity, and the cavity is provided with a groove matched with the ring-shaped mold slider (2) and used for accommodating the ring-shaped mold slider (2). The mold body (1) is composed of a plurality of mold pieces provided with recesses (3), and the mold pieces form a cavity after being combined, and the recesses (3) on the mold pieces form a groove matched with the ring-shaped mold slider (2) in the cavity.

2. An epoxy potting mold structure according to claim 1, wherein The metal mesh ring positioning and fixing structure comprises a plurality of mesh ring sliders (4) mounted on the ring-shaped mold slider (2), the mesh ring sliders (4) are provided with pin holes (5) perpendicular to the central axis of the ring-shaped mold slider (2), and the mesh ring sliders (4) are provided with screw holes (6) in communication with the pin holes (5), the pin holes (5) are provided with pins (7) protruding from one end of the pin holes (5) to connect the metal mesh ring, and the screw holes (6) are screwed into screws (8) to fix the pins (7) by rotating the screws (8) to abut against the pins (7).

3. An epoxy potting mold structure according to claim 1, wherein The metal mesh ring positioning and fixing structure further comprises a first supporting tool (9) and a second supporting tool (10), the first supporting tool (9) is in the shape of a round cake, the second supporting tool (10) is in the shape of a ring, the first supporting tool (9) and the second supporting tool (10) are coaxially arranged, the ring-shaped mold slider (2) is placed between the first supporting tool (9) and the second supporting tool (10), and the inner diameter of the second supporting tool (10) is consistent with the outer diameter of the ring-shaped mold slider (2).

4. An epoxy potting mold structure according to claim 3, wherein The metal mesh ring positioning and fixing structure further comprises a third supporting tool (11) in the shape of an arc, the outer radius of the third supporting tool (11) is consistent with the inner radius of the ring-shaped mold slider (2), the inner radius of the third supporting tool (11) is consistent with the outer radius of the metal mesh ring, and the third supporting tool (11) is placed between the ring-shaped mold slider (2) and the metal mesh ring to adjust the distance between the circumferential direction of the metal mesh ring and the inner side wall of the ring-shaped mold slider (2) to be consistent.

5. An epoxy potting mold structure according to claim 3 or 4, wherein The inner side of the ring-shaped mold slider (2) is provided with a plurality of notched grooves (12) matched with the mesh ring sliders (4), one end of the notched grooves (12) extends to the top of the ring-shaped mold slider (2) and communicates with the outside, and the mesh ring sliders (4) can be embedded into the notched grooves (12).

6. An epoxy potting mold structure according to claim 3, wherein The pins (7) comprise fixed sections (71) and movable sections (72), one end of the fixed sections (71) is fixedly connected to the metal mesh ring, the other end of the fixed sections (71) is connected to the movable sections (72), and the movable sections (72) are arranged in the pin holes (5).

7. The epoxy potting mold structure of claim 3, wherein ​ 8. An epoxy potting mold structure according to claim 7, wherein The fixed section (71) is provided with a threaded hole (73) at the end of the abutted movable section (72), the movable section (72) is fixedly connected with a stud (74) matched with the threaded hole (73) at the end of the abutted fixed section (71), the stud (74) is screwed into the threaded hole (73) to make the fixed section (71) abut the movable section (72).

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