Mesh insert mounting structure for injection mold

Abstract

The application discloses a mesh insert mounting structure of an injection mold, which comprises a mold body, a mesh insert, a fastener and a mounting groove, the mounting groove is arranged through the mold body, the first end of the mounting groove corresponds to the back of the mold body, and the second end of the mounting groove corresponds to the front of the mold body; when mounting, the mesh insert is suitable for being inserted from the first end of the mounting groove and being clamped and matched at the second end of the mounting groove, and the fastener is suitable for locking and mounting the mesh insert. The mesh insert is inserted from the back of the mold body and mounted, so that the mouth of the mesh insert does not collide with the inner wall of one side of the mold cavity in the mounting process, the mouth of the mesh insert is effectively prevented from being damaged, and the overall quality of the injection mold is improved.

Description

Technical Field

[0001] This application relates to the field of injection mold technology, and in particular to a mesh insert mounting structure for injection molds. Background Technology

[0002] Mold inserts are irregularly shaped components embedded inside a mold. Their core functions include mold plate positioning, gap filling, and assisting in the coordinated operation of the molding system. In injection molds, inserts work in conjunction with the mold plate to achieve precise construction of the plastic part's molding cavity, while also undertaking auxiliary functions such as runner guidance and cold material storage.

[0003] like Figure 1 As shown, the mesh insert is installed in the cavity of the mold body. It needs to have an installation groove in the cavity. Then, the front of the mesh insert is embedded in the installation groove. However, the opening of the mesh insert is relatively thin. Using this front installation method will make the opening of the mesh insert easily damaged. Therefore, a mesh insert installation structure for injection mold is proposed to solve the above technical problem. Utility Model Content

[0004] One objective of this application is to provide a mesh insert mounting structure for injection molds.

[0005] To achieve the above objectives, the technical solution adopted in this application is as follows: a mesh insert mounting structure for an injection mold, comprising a mold body, a mesh insert, fasteners, and a mounting groove, wherein the mounting groove is disposed through the mold body, the first end of the mounting groove corresponds to the back side of the mold body, and the second end of the mounting groove corresponds to the front side of the mold body; during installation, the mesh insert is adapted to be inserted from the first end of the mounting groove until it is engaged with the second end of the mounting groove, and the fasteners are adapted to lock the mesh insert in place.

[0006] Preferably, the fastener is a fastening block, which is fixedly installed in the mounting groove and abuts against the mesh insert to achieve locking installation of the mesh insert.

[0007] Preferably, the mounting groove includes a connected front groove and a back groove, the mesh insert is adapted to the front groove, the back groove is adapted to the fastening block, and the mesh insert and the back groove form a clearance fit.

[0008] Preferably, the diameter of the positive groove decreases from the back to the front of the mold body to achieve a snap-fit ​​engagement between the mesh insert and the positive groove.

[0009] Preferably, the inner wall of the positive groove is inclined inward from the back to the front of the mold body.

[0010] Preferably, the angle between the inner sidewall of the positive groove and the vertical direction is θ, where 3°≦θ≦10°.

[0011] Preferably, the surfaces of the fastening block and the mesh insert that mate are both planes, and the vertical projection of the mesh insert completely coincides with the vertical projection of the fastening block.

[0012] Preferably, the fastening block has a "T" shaped structure; when the fastening block is installed, the fastening block is flush with the back side of the mold body.

[0013] Compared with the prior art, the beneficial effects of this application are as follows:

[0014] This application involves inserting and installing the mesh insert from the back of the mold body. During installation, the opening of the mesh insert will not collide with the inner wall of the mold cavity, thus effectively preventing the opening of the mesh insert from being damaged and improving the overall quality of the injection mold. Attached Figure Description

[0015] Figure 1 This is a schematic diagram illustrating the front mounting principle of a mesh insert in the prior art.

[0016] Figure 2 This is a schematic diagram illustrating the mounting principle of the mesh insert on the back of this utility model.

[0017] Figure 3 This is a schematic diagram showing the back of the mesh insert of this utility model after it has been installed.

[0018] Figure 4 This is an enlarged structural schematic diagram of the A-out of this utility model.

[0019] In the diagram: 1. Mold body; 101. Cavity; 2. Mesh insert; 3. Fastener; 4. Mounting groove; 401. Front groove; 402. Back groove; 5. Product body. Detailed Implementation

[0020] The present application will be further described below with reference to specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0021] In the description of this application, it should be noted that the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., which indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of this application.

[0022] It should be noted that the terms "first," "second," etc., in the specification and claims of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0023] One preferred embodiment of this application, such as Figures 1 to 4 As shown, a mesh insert mounting structure for an injection mold includes a mold body 1, a mesh insert 2, a fastener 3, and a mounting groove 4. The mounting groove 4 is disposed through the mold body 1, with the first end of the mounting groove 4 corresponding to the back of the mold body 1 and the second end of the mounting groove 4 corresponding to the front of the mold body 1.

[0024] It should be noted that the back side of the mold body 1 refers to the side away from the cavity 101 of the mold body 1, and the front side of the mold body 1 refers to the side of the cavity 101. During installation, the mesh insert 2 is first inserted into the mounting groove 4 from the back side of the mold body 1 until the front end (i.e., the opening) of the mesh insert 2 is engaged with the second end of the mounting groove 4. Finally, the mesh insert 2 is locked in place by the fastener 3.

[0025] Therefore, it can be seen that the original method of directly installing the mesh insert 2 from the cavity 101 side was prone to damage to the opening of the mesh insert 2. This application, however, sets the mounting groove 4 to penetrate the mold body 1, allowing it to be inserted and installed from the back of the mold body 1. Thus, during installation, the opening of the mesh insert 2 will not collide with the inner wall of the cavity 101 side of the mold body 1, effectively preventing damage to the opening of the mesh insert 2 and improving the overall quality of the injection mold.

[0026] As a further description of the above embodiment: Fastener 3 is a fastening block. It is understood that, as Figure 2 As shown, we will take the vertical placement of the mold body 1 as an example. After the mesh insert 2 is vertically inserted into the mounting groove 4, the fastening block is then fixed in the mounting groove 4 with bolts. At this time, the bottom end of the fastening block and the top end of the mesh insert 2 are in abutting state, so as to achieve the fixed installation of the mesh insert 2.

[0027] It should be understood that in existing designs, fastener 3 is generally a fastening bolt. However, fastening bolts require drilling holes in the mesh insert 2 during installation, which undoubtedly increases the processing steps and difficulty. Furthermore, the overall strength of the mesh insert 2 is reduced after drilling. In this application, the fastening block directly abuts against the top of the mesh insert 2, eliminating the need for drilling. This simplifies the processing steps while ensuring the overall strength of the mesh insert 2.

[0028] As a further optimization of the above embodiments: such as Figure 2 As shown, the mounting groove 4 includes a front groove 401 and a back groove 402 that are connected vertically. The mesh insert 2 is adapted to the front groove 401, and the back groove 402 is adapted to the fastening block. The mesh insert 2 and the back groove 402 form a clearance fit.

[0029] Understandably, during installation, the mesh insert 2 needs to pass through the back groove 402 before entering the front groove 401. Since the mesh insert 2 and the back groove 402 have a clearance fit (i.e., the diameter of the back groove 402 is larger than that of the mesh insert 2), collisions between them are reduced during installation, allowing the mesh insert 2 to enter the front groove 401 more smoothly. Simultaneously, the matching design of the back groove 402 and the fastening block ensures that the fastening block can be stably installed in the mounting slot 4, effectively locking the mesh insert 2.

[0030] In this embodiment, as Figure 2 As shown, the specific snap-fit ​​connection between the mesh insert 2 and the groove 401 is as follows: the diameter of the groove 401 decreases from the back to the front (i.e., from top to bottom) of the mold body 1. This design ensures that during installation, as the mesh insert 2 gradually penetrates deeper into the groove 401, the constraint of the groove 401 on the mesh insert 2 gradually increases until the front end (mouth) of the mesh insert 2 is completely snapped into the second end of the groove 401 (i.e., one side of the front of the mold body 1), thus achieving stable installation. This snap-fit ​​connection method not only simplifies installation but also effectively prevents the mesh insert 2 from loosening or falling off during use, enhancing the stability and reliability of the injection mold.

[0031] Furthermore, the inner wall of the positive groove 401 is inclined inward from the back to the front of the mold body 1, forming a conical structure. This inclination further guides the mesh insert 2 to be gradually constrained during installation, ensuring that the mesh insert 2 can be smoothly and stably engaged within the positive groove 401. Simultaneously, the inclined inner wall effectively disperses the generated stress, preventing damage to the mesh insert 2 due to stress concentration, further improving the durability and service life of the injection mold.

[0032] In the specific implementation process, the angle θ between the inner wall of the positive groove 401 and the vertical direction is controlled between 3° and 10°. This angle range is selected based on comprehensive consideration of installation and processing. If the angle θ is too small, the limiting constraint force on the mesh insert 2 after installation may be insufficient, thus affecting the stability of the installation. If the angle θ is too large, the opening diameters at the upper and lower ends of the positive groove 401 will differ significantly, which is not conducive to processing and molding. Therefore, by reasonably setting the range of the angle θ, this application ensures both ease of installation and the overall stability and reliability of the injection mold.

[0033] Furthermore, the surfaces of the fastening block and the mesh insert 2 that mate are both flat, and the vertical projections of the fastening block and the mesh insert 2 completely overlap. In other words, the fastening block can completely cover the mesh insert 2 after installation. This design allows the fastening block to apply stable pressure to the mesh insert 2, enhancing the locking stability.

[0034] As a further optimization of the above embodiment, the fastening block is preferably T-shaped. This design allows the top of the fastening block to be flush with the back side of the mold body 1 after installation, which is not only aesthetically pleasing but also avoids the safety hazards caused by the fastening block protruding from the surface of the mold body 1. At the same time, the T-shaped structure of the fastening block also increases its contact area with the mounting groove 4, improving the stability of the installation; and this structural design of the fastening block also facilitates the opening of screw holes on both sides of its top.

[0035] It should be added that, such as Figure 4 As shown, the mating surface between the mesh insert 2 and the mold body 1 needs to have a height forming surface of d=0.2mm. This is based on the process requirements of the product body 5 itself, namely, the product body 5 is a car door speaker cover, which has high process requirements. If front mounting is used, it is difficult to guarantee the 0.2mm glue position, and gaps are easily generated between the mesh insert 2 and the mold body 1 during installation, making it impossible to control the burrs and thus affecting the molding quality of the product body 5. However, this application adopts a back mounting method, which can ensure that the mating surface between the mesh insert 2 and the mold body 1 can achieve the required height forming surface during installation, ensuring the process quality of the product; it also avoids the situation of damage to the opening of the mesh insert 2 when front mounting is used.

[0036] The basic principles, main features, and advantages of this application have been described above. Those skilled in the art should understand that this application is not limited to the above embodiments. The embodiments and descriptions in the specification are merely the principles of this application. Various changes and modifications can be made to this application without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection claimed by this application is defined by the appended claims and their equivalents.

Claims

1. A mesh insert mounting structure for an injection mold, characterized in that, include: The mold body, the mesh insert, the fastener, and the mounting groove are provided through the mold body. The first end of the mounting groove corresponds to the back of the mold body, and the second end of the mounting groove corresponds to the front of the mold body. During installation, the mesh insert is adapted to be inserted from the first end of the mounting groove and until it is engaged with the second end of the mounting groove. The fastener is adapted to lock the mesh insert in place.

2. The mesh insert mounting structure for injection molds as described in claim 1, characterized in that: The fastener is a fastening block, which is fixedly installed in the mounting groove and abuts against the mesh insert to achieve locking installation of the mesh insert.

3. The mesh insert mounting structure for injection molds as described in claim 2, characterized in that: The mounting groove includes a connected front groove and a back groove. The mesh insert is adapted to the front groove, and the back groove is adapted to the fastening block. The mesh insert and the back groove form a clearance fit.

4. The mesh insert mounting structure for injection molds as described in claim 3, characterized in that: The diameter of the positive groove decreases from the back to the front of the mold body to achieve a snap-fit ​​engagement between the mesh insert and the positive groove.

5. The mesh insert mounting structure for injection molds as described in claim 4, characterized in that: The inner wall of the positive groove is inclined inward from the back to the front of the mold body.

6. The mesh insert mounting structure for injection molds as described in claim 5, characterized in that: The inner sidewall of the positive groove forms an angle θ with respect to the vertical direction, where 3°≦θ≦10°.

7. The mesh insert mounting structure for injection molds as described in claim 2, characterized in that: The surfaces of the fastening block and the mesh insert are both planes, and the vertical projection of the mesh insert completely coincides with the vertical projection of the fastening block.

8. The mesh insert mounting structure for injection molds as described in claim 7, characterized in that: The fastening block has a "T" shaped structure; when the fastening block is installed, the fastening block is flush with the back side of the mold body.

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