Glue pouring mold

By using light shielding and limiting parts to form an integrated mold structure in the glue filling mold, the problems of unstable fixing of the flow guide and short service life of the mold are solved, and the coaxial communication between the flow guide and the rubber filling parts are achieved and the rubber filling stability is improved.

CN222628373UActive Publication Date: 2025-03-18SHENZHENSHI YUZHAN PRECISION TECH CO LTD
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Patent Information

Application Number
CN202323489974.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-20
Publication Date
2025-03-18
Estimated Expiration
2033-12-20

AI Technical Summary

Technical Problem

When existing glue filling molds are replaced regularly, the threaded holes of the light-shielding plate are easily worn, resulting in the screw being unable to lock, the pressure ring is uneven and easily broken, which reduces the service life of the glue filling mold, and it is easy to be misaligned between the flow guide and the glue filling member, resulting in the colloid being unable to stably divert the flow.

Method used

A rubber filling mold including an upper mold and a lower mold is designed, and an integrated molding structure is formed by a light shielding member and a limiting member. The limiting member is equipped with a limiting hole. The flow guide is fixed to the preset position of the upper mold under the limiting member to ensure that the flow guide and the rubber filling member are connected coaxially.

Benefits of technology

Through the design of the light shielding and the limiting parts, the flow guide is stably fixed to the preset position, avoiding deviation caused by tolerances between the screws and the press ring, and improving the glue filling stability and the service life of the mold.

✦ Generated by Eureka AI based on patent content.

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Abstract

A glue pouring mold comprises an upper mold and a lower mold which are oppositely arranged and matched in an opening mode, the glue pouring mold further comprises a shading assembly, the shading assembly comprises a shading piece and a limiting piece, the shading piece is arranged on the side, away from the lower mold, of the upper mold, the limiting piece is arranged on the peripheral side of the shading piece, the limiting piece and the shading piece form an integrally-formed structure, and a limiting hole is formed in the limiting piece; the limiting hole penetrates through the limiting piece in the direction from the upper die to the lower die. And the glue pouring assembly comprises a flow guide part and a glue pouring part, one end of the flow guide part penetrates through the limiting hole and abuts against the limiting part, the other end of the flow guide part abuts against the glue pouring part, and the glue pouring part penetrates through the upper mold and is in fluid communication with the flow guide part. According to the glue pouring mold, the shading part and the limiting part form an integrally-formed structure, the limiting part fixes the flow guide part to the preset position of the upper mold, so that the flow guide part and the glue pouring part are coaxially communicated, the glue pouring stability is improved, the integrally-formed structure formed by the shading part and the limiting part is high in structural strength, stress is uniform in the process of abutting against the flow guide part, and the service life of the glue pouring mold is prolonged. And the service life of the glue pouring mold is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a glue-filling mold. Background Art

[0002] Nowadays, the glue casting mold usually uses a pressure ring to press the guide piece to the preset position of the upper template, and then uses a screw to lock the pressure ring to the shading plate, so that the guide piece and the glue casting piece are coaxially connected, which makes it easier for the guide piece to stably guide the colloid into the glue casting piece.

[0003] The sunshade is usually made of aluminum and is relatively soft. When the guide piece is replaced regularly, the threaded holes of the sunshade are easily worn, which makes it impossible for the screws to lock the pressure ring to the sunshade. The pressure ring is also prone to breakage due to uneven force on both ends, making it difficult for the glue casting mold to continue the glue casting operation, reducing the service life of the glue casting mold. In addition, the pressure ring and the screw have a certain tolerance, which causes the guide piece and the glue casting piece to be misaligned and the glue cannot be stably directed into the glue casting piece, reducing the stability of the glue casting. Utility Model Content

[0004] In view of the above situation, it is necessary to provide a glue pouring mold to improve the stability and service life of the glue pouring.

[0005] The embodiment of the present application provides a glue pouring mold, comprising an upper mold and a lower mold that are relatively arranged and opened to match, the glue pouring mold also includes: a shading component, comprising a shading piece and a limiting piece, the shading piece is arranged on the side of the upper mold away from the lower mold, the limiting piece is arranged on the peripheral side of the shading piece and forms an integrated molding structure with the shading piece, the limiting piece is provided with a limiting hole, and the limiting hole passes through the limiting piece along the direction from the upper mold to the lower mold; a glue pouring component, comprising a guide piece and a glue pouring piece, one end of the guide piece is passed through the limiting hole and abuts against the limiting piece, the other end of the guide piece abuts against the glue pouring piece, the glue pouring piece is passed through the upper mold and is fluidically connected to the guide piece; wherein, the guide piece is fixed to a preset position of the upper mold under the limit of the limiting piece to guide the colloid into the glue pouring piece.

[0006] In the above-mentioned glue pouring mold, by arranging a shading piece and a limiting piece to form an integrated structure, the limiting piece fixedly arranged on the side wall of the shading piece can stably fix the guide piece to the preset position of the upper mold, thereby preventing the guide piece from being affected by the tolerance of the screws and the pressure ring and causing the fixed position of the guide piece to be offset from the preset position, so that the guide piece and the glue pouring piece are coaxially connected, which makes it convenient for the guide piece to stably guide the colloid into the glue pouring piece, thereby improving the stability of the glue pouring; at the same time, the integrated structure formed by the shading piece and the limiting piece has a high structural strength, and is evenly stressed in the process of pressing the guide piece, which can effectively prevent the limiting piece from being damaged during use, thereby improving the service life of the glue pouring mold.

[0007] In some embodiments, the guide member includes: a guide portion, one end of which is passed through the limiting hole, the other end of which is abutted against the glue pouring member and is provided with a guide groove which is fluidically connected to the glue pouring member; a raised portion which is convexly arranged on the peripheral side of the guide portion and abuts against the limiting member, and the raised portion is used to be fixed to a preset position of the upper mold under the limit of the limiting member.

[0008] In some embodiments, the guide groove includes a first groove, a second groove, and a third groove arranged in sequence along the direction from the upper mold to the lower mold, and the inner diameters of the first groove, the second groove, and the third groove decrease in sequence.

[0009] In some embodiments, the second groove includes a tapered groove section and an abutment plane, the inner diameter of the tapered groove section gradually decreases along the direction from the upper mold to the lower mold, one end of the tapered groove section is connected to the first groove, and the other end of the tapered groove section is connected to the abutment plane, and the groove opening of the third groove is opened on the abutment plane.

[0010] In some embodiments, the cross-sectional area of ​​the protrusion gradually decreases along the direction from the upper mold to the lower mold.

[0011] In some embodiments, the distance between the end surface of the guide portion adjacent to the upper mold and the upper surface of the protrusion is greater than the length of the limiting hole.

[0012] In some embodiments, the glue pouring assembly also includes: a rubber plug, one end of which penetrates into the guide groove and is inserted into the colloid in the guide groove after mold closing, and the other end of the rubber plug extends out of the guide groove, and the rubber plug is used to drive the solidified colloid to move out of the guide groove.

[0013] In some embodiments, the rubber plug includes: a covering portion, movably disposed at one end of the guide portion away from the glue pouring part and covering the guide groove; a connecting portion, connected to the covering portion and inserted into the guide groove, the connecting portion being used to be inserted into the colloid in the guide groove after mold closing; and a handle, respectively disposed on opposite sides of the covering portion and connected to the covering portion, the handle being used to drive the connecting portion to move away from the lower mold to move the solidified colloid out of the guide groove.

[0014] In some embodiments, the rubber plug also includes: a clamping portion, which is arranged on the side of the cover member away from the handle and surrounds the connecting portion, and the clamping portion is adapted to the guide groove, and the clamping portion is used to abut against the inner wall of the guide groove to enable the rubber plug to be clamped with the guide member.

[0015] In some embodiments, a avoidance groove is provided on one side of the shading member adjacent to the upper mold, the avoidance groove is adapted to the protruding portion and is connected to the limiting hole, and the avoidance groove is used to avoid the protruding portion. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the three-dimensional structure of the glue-filling mold provided in an embodiment of the present application.

[0017] Figure 2 for Figure 1 The schematic diagram of the structural decomposition of the upper mold, shading component, glue pouring component and guide part in the glue pouring mold shown.

[0018] Figure 3 for Figure 2 Schematic diagram of the structural decomposition of the glue filling components in the glue filling mold shown.

[0019] Figure 4 for Figure 3 The cross-sectional schematic diagram of the guide member shown is along the IV-IV direction.

[0020] Main component symbols

[0021] Glue filling mold 100

[0022] Upper mold 10

[0023] Upper template 11

[0024] Arc guide surface 111

[0025] Support 12

[0026] Locking parts 13

[0027] Lower die 20

[0028] Lower template 21

[0029] Guide groove 211

[0030] Rotating member 22

[0031] Shading component 30

[0032] Shading member 31

[0033] Avoidance slot 311

[0034] Limiting piece 32

[0035] Limit hole 321

[0036] Glue filling component 40

[0037] Guide 41

[0038] Guide part 411

[0039] Diversion groove 4111

[0040] First slot 4112

[0041] Second slot 4113

[0042] The third slot 4114

[0043] Conical groove section 4115

[0044] Abutment plane 4116

[0045] Raised portion 412

[0046] Glue filling parts 42

[0047] Rubber plug 43

[0048] Covering part 431

[0049] Connection part 432

[0050] Handle 433

[0051] Clamping portion 434

[0052] Guide 50 DETAILED DESCRIPTION

[0053] In order to more clearly understand the purpose, features and advantages of the present application, the present application is described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. In the following description, many specific details are set forth to facilitate a full understanding of the present application, and the embodiments described are only a part of the embodiments of the present application, rather than all of the embodiments.

[0054] The embodiments of the present application are further described below in conjunction with the accompanying drawings.

[0055] See also Figure 1 The embodiment of the present application provides a glue pouring mold 100, which includes an upper mold 10 and a lower mold 20 that are relatively arranged and opened and matched, a shading component 30 and a glue pouring component 40, which are used to pour glue into a molding cavity formed when the upper mold 10 and the lower mold 20 are closed, and solidify the glue to form a molded product.

[0056] See also Figure 2The light shielding component 30 includes a light shielding member 31 and a limiting member 32. The light shielding member 31 is arranged on the side of the upper mold 10 away from the lower mold 20. The limiting member 32 is arranged on the peripheral side of the light shielding member 31 and forms an integral molding structure with the light shielding member 31. The limiting member 32 is provided with a limiting hole 321. The limiting hole 321 penetrates the limiting member 32 along the direction from the upper mold 10 to the lower mold 20. The glue pouring component 40 includes a flow guide 41 and a glue pouring member 42. One end of the flow guide 41 is passed through the limiting hole 321 and abuts against the limiting member 32. The other end of the flow guide 41 abuts against the glue pouring member 42. The glue pouring member 42 is passed through the upper mold 10 and is in fluid communication with the flow guide 41. The flow guide 41 is fixed to a preset position of the upper mold 10 under the limit of the limiting member 32 to guide the colloid into the glue pouring member 42. In this embodiment, there are multiple limiting members 32 , which are arranged at intervals along the circumference of the shading member 31 , and each limiting member 32 is respectively provided with a group of glue potting components 40 .

[0057] In the above-mentioned glue pouring mold 100, by setting the shading member 31 and the limiting member 32 to form an integrally formed structure, the limiting member 32 fixedly arranged on the side wall of the shading member 31 can stably fix the guide member 41 to the preset position of the upper mold 10, and avoid the guide member 41 being affected by the tolerance of the screws and the pressure ring so as to cause the fixed position of the guide member 41 to deviate from the preset position, so that the guide member 41 and the glue pouring member 42 are coaxially connected, which is convenient for the guide member 41 to stably guide the colloid into the glue pouring member 42, thereby improving the stability of the glue pouring; at the same time, the integrally formed structure formed by the shading member 31 and the limiting member 32 has a large structural strength, and is evenly stressed in the process of pressing the guide member 41, which can effectively prevent the limiting member 32 from being damaged during use, thereby improving the service life of the glue pouring mold 100.

[0058] See also Figure 3 In some embodiments, the flow guide 41 includes a flow guide portion 411 and a protrusion 412. One end of the flow guide portion 411 is inserted into the limiting hole 321, and the other end of the flow guide portion 411 is in contact with the glue potting member 42, and the flow guide portion 411 is provided with a flow guide groove 4111 in fluid communication with the glue potting member 42. The protrusion 412 is protruding from the circumference of the flow guide portion 411 and in contact with the limiting member 32, and the protrusion 412 is used to be fixed to a preset position of the upper mold 10 under the limiting of the limiting member 32.

[0059] In this way, by setting the specific structure of the above-mentioned guide member 41, the limit member 32 presses the protrusion 412 to the preset position of the upper mold 10, so that the guide part 411 and the glue filling member 42 can be coaxially connected, which makes it easier for the guide groove 4111 to stably guide the colloid into the glue filling member 42, thereby improving the guide stability of the guide member 41.

[0060] See also Figure 4In some embodiments, the guide groove 4111 includes a first groove 4112, a second groove 4113 and a third groove 4114 which are arranged in sequence along the direction from the upper mold 10 to the lower mold 20, and the inner diameters of the first groove 4112, the second groove 4113 and the third groove 4114 decrease in sequence.

[0061] In this way, when the colloid is transported to the glue filling component 42 through the guide groove 4111, the inner diameters of the first groove 4112, the second groove 4113 and the third groove 4114 decrease successively, so that the conveying speed of the colloid is gradually increased, and the colloid is quickly transported to the glue filling component 42 through the guide groove 4111, thereby improving the guide efficiency of the guide component 41.

[0062] In some embodiments, the second groove 4113 includes a conical groove section 4115 and an abutment plane 4116, one end of the conical groove section 4115 is connected to the first groove 4112, and the other end of the conical groove section 4115 is connected to the abutment plane 4116, and the groove opening of the third groove 4114 is opened on the abutment plane 4116.

[0063] In this embodiment, when the glue pouring mold 100 is performing the glue pouring operation, the glue injection needle of the external glue injection equipment is inserted into the guide groove 4111 to inject glue. In this way, by setting the above-mentioned conical groove section 4115 and the abutment plane 4116, the conical groove section 4115 can guide the glue injection needle, so that the abutment plane 4116 abuts against the tail end face of the glue injection needle, so that the tail end face of the glue injection needle and the abutment plane 4116 cooperate to block the third groove 4114, so that the glue injected by the front end of the glue injection needle can only be transported from the third groove 4114 to the glue pouring part 42, thereby preventing the glue injected by the glue injection needle from overflowing from the third groove 4114, so that the glue pouring mold 100 can stably receive the glue injected by the external glue injection equipment.

[0064] See also Figure 3 In some embodiments, the cross-sectional area of ​​the protrusion 412 gradually decreases along the direction from the upper mold 10 to the lower mold 20 .

[0065] In this way, since the pressing force applied by the limit member 32 to the guide member 41 is a fixed value, by setting the specific structure of the above-mentioned protrusion 412, the contact area between the protrusion 412 and the lower mold 20 can be reduced, thereby increasing the pressing force applied by the limit member 32 to the glue filling member 42 through the guide member 41, so that the guide member 41 can stably press the glue filling member 42 to the lower mold 20, preventing the guide member 41 and the glue filling member 42 from loosening from each other.

[0066] See also Figure 2 and Figure 3 In some embodiments, the distance between the end surface of the guide portion 411 adjacent to the upper mold 10 and the upper surface of the protrusion 412 is greater than the length of the limiting hole 321 .

[0067] In this way, when the guide member 41 is assembled into the limiting hole 321 of the limiting member 32, the end of the guide portion 411 away from the protrusion 412 can extend out of the limiting hole 321, preventing the hole wall of the limiting hole 321 from adhering to the colloid during the process of the external injection component injecting the colloid into the guide groove 4111 and blocking the limiting hole 321, thereby facilitating the guide portion 411 to receive the colloid injected by the external injection component.

[0068] Please continue reading Figure 2 and Figure 3 In some embodiments, the glue pouring assembly 40 also includes a rubber plug 43, one end of the rubber plug 43 penetrates into the guide groove 4111 and is inserted into the colloid in the guide groove 4111 after the mold is closed, and the other end of the rubber plug 43 extends out of the guide groove 4111. The rubber plug 43 is used to drive the cured colloid to move out of the guide groove 4111.

[0069] When the glue pouring mold 100 is closed and the glue pouring operation is performed, a colloid slightly larger than the volume of the molding cavity is usually poured into the molding cavity to ensure that the colloid can completely fill the molding cavity. At this time, excess colloid will overflow into the guide groove 4111. In this way, by arranging the above-mentioned plug 43 to be inserted into the colloid in the guide after the mold is closed, the plug 43 can drive the solidified colloid to move out of the guide groove 4111, thereby preventing the solidified colloid from clogging the guide groove 4111 and affecting the continuous operation of the glue pouring mold 100.

[0070] In some embodiments, the rubber plug 43 includes a cover portion 431, a connection portion 432, and a handle 433. The cover portion 431 is movably disposed at one end of the guide portion 411 away from the glue pouring part 42 and covers the guide groove 4111. The connection portion 432 is connected to the cover portion 431 and penetrates into the guide groove 4111. The connection portion 432 is used to be inserted into the colloid in the guide groove 4111 after the mold is closed. The handle 433 and the connection portion 432 are respectively disposed on opposite sides of the cover portion 431 and connected to the cover portion 431. The handle 433 is used to drive the connection portion 432 to move away from the lower mold 20 to move the solidified colloid out of the guide groove 4111.

[0071] In this way, by setting the specific structure of the above-mentioned plug 43, when the connecting portion 432 is inserted into the colloid in the guide groove 4111 after mold closing, the covering portion 431 covers the guide groove 4111 and abuts against the end of the guide portion 411 away from the glue pouring part 42, which can prevent the plug 43 from moving into the guide groove 4111 as a whole, thereby ensuring the normal operation of the plug 43; when the colloid in the guide groove 4111 is solidified, the operator or the robot drives the connecting portion 432 to move away from the lower mold 20 through the handle 433, so as to quickly move the solidified colloid out of the guide groove 4111.

[0072] In some embodiments, the rubber plug 43 also includes a clamping portion 434, which is disposed on a side of the cover member away from the handle 433 and is surrounded by the connecting portion 432, and the clamping portion 434 is adapted to the guide groove 4111, and the clamping portion 434 is used to abut against the inner wall of the guide groove 4111 to clamp the rubber plug 43 with the guide member 41.

[0073] In this way, by setting the holding portion 434 to abut against the inner wall of the guide groove 4111, the rubber plug 43 can be engaged with the guide member 41, so that the connecting portion 432 always maintains a preset orientation in the guide groove 4111, ensuring that the connecting portion 432 is always inserted in the colloid in the guide groove 4111 during operation, thereby improving the operating stability of the rubber plug 43.

[0074] See also Figure 2 In some embodiments, a avoidance groove 311 is provided on one side of the shading member 31 adjacent to the upper mold 10 . The avoidance groove 311 is adapted to the protrusion 412 and is connected to the limiting hole 321 . The avoidance groove 311 is used to avoid the protrusion 412 .

[0075] Thus, by providing the avoidance groove 311 , the avoidance groove 311 can avoid the protrusion 412 during the assembly of the guide member 41 , thereby preventing interference between the shading member 31 and the guide member 41 , and facilitating stable assembly of the guide member 41 .

[0076] In some embodiments, the upper mold 10 includes an upper mold 11, a support member 12, and a locking member 13. The upper mold 11 is movably disposed on the lower mold 20, and the side of the upper mold 11 facing away from the lower mold 20 is connected to the shading member 31. The support member 12 and the shading member 31 are respectively disposed on opposite sides of the upper mold 11, one end of the glue filling member 42 passes through the support member 12, and the other end of the glue filling member 42 abuts against the guide member 41 under the pressure of the support member 12. The locking member 13 is penetrated by the support member 12 and is threadedly connected to the upper mold 11, so that the support member 12 and the upper mold 11 are detachably connected. In this embodiment, the locking member 13 can be a screw, and the number of the locking members 13 is multiple, and the multiple locking members 13 are arranged at intervals and are respectively threadedly connected to different positions of the upper mold 11, so as to stably fix the support member 12 to the upper mold 11.

[0077] In this way, by setting the specific structure of the upper mold 10 mentioned above, the locking member 13 can lock the support member 12 to the upper mold plate 11, so that the support member 12 and the upper mold plate 11 can be detachably connected, which facilitates the assembly of the guide member 41 to the preset position of the upper mold 10.

[0078] See also Figure 1In some embodiments, the lower mold 20 includes a lower mold plate 21 and a rotating member 22. The lower mold plate 21 is arranged opposite to the upper mold 10 and carries the upper mold 10. The rotating member 22 is arranged on the side wall of the lower mold plate 21 and is rotatably connected to the lower mold plate 21. The rotating member 22 is used to press the upper mold 10 to the lower mold plate 21 when the mold is closed. In this embodiment, the number of the rotating members 22 can be two, and the two rotating members 22 are respectively arranged on both sides of the lower mold plate 21. The two rotating members 22 press different positions of the upper mold 10 when the mold is closed.

[0079] In this way, by setting the specific structure of the above-mentioned lower mold 20, the rotating part 22 can press the upper mold 10 to the lower mold plate 21 when the mold is closed, so that the upper mold 10 and the lower mold 20 are stably closed, avoiding the upper mold 10 and the lower mold 20 from being loosened or misaligned due to external forces during the glue pouring process, thereby ensuring the stable operation of the glue pouring mold 100.

[0080] In some embodiments, an arc-shaped guide surface 111 is provided at the connection between the upper surface of the upper template 11 and the side wall of the upper template 11 , and the arc-shaped guide surface 111 is used to guide the rotating member 22 to rotate to the upper surface of the upper template 11 .

[0081] In this way, by setting the above-mentioned arcuate guide surface 111, the rotating member 22 can be rotated to the upper surface of the upper mold plate 11 under the guidance of the arcuate guide surface 111 when the mold is closed, thereby realizing the function of the rotating member 22 stably pressing the upper mold 10 to the lower mold plate 21 when the mold is closed.

[0082] Please continue reading Figure 1 In some embodiments, a guide groove 211 is provided on the side of the lower mold 21 facing the upper mold 10, and the glue-filling mold 100 further includes a guide member 50, one end of which is connected to the upper mold 10, and the other end of which is used to be inserted into the guide groove 211, and the guide member 50 is used to guide the upper mold 10 and the lower mold 20 to close or open the mold. In this embodiment, there are multiple guide members 50, and the multiple guide members 50 are arranged at intervals along the circumference of the upper mold 11, and the lower mold 21 is relatively provided with multiple guide grooves 211, and the multiple guide grooves 211 correspond to the multiple guide members 50 one by one.

[0083] In this way, by setting the above-mentioned guide member 50 and the guide groove 211 to cooperate with each other, the upper mold 10 and the lower mold 20 can be guided so that the upper mold 10 and the lower mold 20 are always closed or opened in the direction where the upper mold 10 points to the lower mold 20, thereby ensuring the opening and closing stability of the glue casting mold 100.

[0084] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present application and are not intended to limit it. Although the present application has been described in detail with reference to the preferred embodiments, a person of ordinary skill in the art should understand that the technical solution of the present application may be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present application.

Claims

1. A glue pouring mold, comprising an upper mold and a lower mold that are relatively arranged and appropriately matched, characterized in that: The glue pouring mold also includes: The shading component comprises a shading member and a limiting member, wherein the shading member is arranged on a side of the upper mold away from the lower mold, the limiting member is arranged on the peripheral side of the shading member and forms an integral molding structure with the shading member, and the limiting member is provided with a limiting hole, and the limiting hole penetrates the limiting member along a direction from the upper mold to the lower mold; A glue pouring component, comprising a flow guide and a glue pouring component, wherein one end of the flow guide passes through the limiting hole and abuts against the limiting component, and the other end of the flow guide abuts against the glue pouring component, and the glue pouring component passes through the upper mold and is in fluid communication with the flow guide; Wherein, the guide member is fixed to a preset position of the upper mold under the limitation of the limiting member, so as to guide the colloid into the glue filling member.

2. The glue-filling mold according to claim 1, characterized in that: The flow guide comprises: A flow guide portion, one end of which is passed through the limiting hole, and the other end of which is in contact with the glue-filling component and is provided with a flow guide groove in fluid communication with the glue-filling component; The raised portion is convexly arranged on the peripheral side of the guide portion and abuts against the limiting member. The raised portion is fixed to a preset position of the upper mold under the limiting of the limiting member.

3. The glue-filling mold according to claim 2, characterized in that: The guide groove includes a first groove, a second groove and a third groove which are sequentially arranged in a direction from the upper die to the lower die, and the inner diameters of the first groove, the second groove and the third groove decrease sequentially.

4. The glue-filling mold according to claim 3, characterized in that: The second groove includes a conical groove section and an abutment plane, the inner diameter of the conical groove section gradually decreases along the direction from the upper mold to the lower mold, one end of the conical groove section is connected to the first groove, and the other end of the conical groove section is connected to the abutment plane, and the groove opening of the third groove is opened on the abutment plane.

5. The glue-filling mold according to claim 2, characterized in that: The cross-sectional area of ​​the protrusion gradually decreases along the direction from the upper die to the lower die.

6. The glue-filling mold according to claim 2, characterized in that: The distance between the end surface of the guide portion adjacent to the upper mold and the upper surface of the protruding portion is greater than the length of the limiting hole.

7. The glue-filling mold according to claim 2, characterized in that: The glue pouring assembly also includes: A rubber plug, one end of which penetrates into the guide groove and is inserted into the colloid in the guide groove after mold closing, and the other end of which extends out of the guide groove, and the rubber plug is used to drive the solidified colloid to move out of the guide groove.

8. The glue-filling mold according to claim 7, characterized in that: The rubber plug comprises: A covering portion, movably disposed at one end of the guide portion away from the glue-filling member and covering the guide groove; A connecting portion connected to the cover portion and inserted into the guide groove, wherein the connecting portion is used to be inserted into the colloid in the guide groove after mold closing; and A handle and the connecting portion are respectively arranged on two opposite sides of the cover portion and connected to the cover portion, and the handle is used to drive the connecting portion to move away from the lower mold to move the solidified colloid out of the guide groove.

9. The glue-filling mold according to claim 8, characterized in that: The rubber plug also includes: The clamping part is arranged on a side of the cover part away from the handle and is arranged around the connecting part, and the clamping part is adapted to the guide groove. The clamping part is used to abut against the inner wall of the guide groove so that the rubber plug is clamped with the guide piece.

10. The glue-filling mold according to claim 2, characterized in that: A avoidance groove is provided on one side of the shading member adjacent to the upper mold, the avoidance groove is matched with the protruding portion and communicated with the limiting hole, and the avoidance groove is used to avoid the protruding portion.