Die

Abstract

The embodiment of the utility model discloses a mold which comprises a sliding block set, and the sliding block set comprises two first sliding blocks and two second sliding blocks. The two first sliding blocks extend in the first direction and are arranged in a spaced mode in the second direction, and the second direction intersects with the first direction. The two second sliding blocks are arranged at the two ends, in the first direction, of the two first sliding blocks correspondingly, and any second sliding block is attached to the two first sliding blocks. Wherein the extending size of the first sliding block in the first direction is larger than the extending size of the second sliding block in the second direction, the two ends of the first sliding block in the first direction are each provided with an attaching face parallel to the second direction, and part of the wall face of the second sliding block is attached to the attaching faces. According to the mold disclosed by the embodiment of the invention, the stability in the sliding block group is improved, so that the appearance quality of a product is improved, the appearance effect of the product is improved, and the qualification rate of the product is improved.

Description

Technical Field

[0001] The present application relates to the field of mold technology, and in particular to a mold. Background Art

[0002] Sliders are an important part of the mold. In the related art, when a slider group consisting of multiple sliders is heated up, the sliders will expand to a certain extent, which makes the internal stability of the slider group low, which may affect the appearance quality of the product and reduce the qualified rate of the product. Utility Model Content

[0003] In view of this, an embodiment of the present application hopes to provide a mold, aiming to improve the stability inside the slider group to improve the qualified rate of the product.

[0004] To achieve the above object, an embodiment of the present application provides a mold, wherein the mold includes a slider group, and the slider group includes:

[0005] Two first sliding blocks, both extending along a first direction and spaced apart along a second direction, wherein the second direction intersects the first direction;

[0006] Two second sliders are respectively arranged at two ends of the two first sliders along the first direction, and any one of the second sliders is in contact with the two first sliders;

[0007] The extension dimension of the first slider along the first direction is greater than the extension dimension of the second slider along the second direction, both ends of the first slider along the first direction are provided with fitting surfaces parallel to the second direction, and part of the wall surface of the second slider fits with the fitting surfaces.

[0008] In one embodiment, the extension dimension of the bonding surface along the second direction ranges from 30 mm to 50 mm.

[0009] In one embodiment, the extension dimension of the bonding surface along the second direction ranges from 35 mm to 45 mm.

[0010] In one embodiment, the slider group is surrounded by a cavity which is open on two opposite sides along a third direction, and the mold also includes a mold core, which is provided with a first positioning surface extending along the third direction, and at least a portion of the mold core extends into the cavity through the open side of the cavity and is fitted with the cavity wall of the cavity through the first positioning surface, wherein the third direction intersects with both the first direction and the second direction.

[0011] In one embodiment, an extension dimension of the first positioning surface along the third direction ranges from 45 mm to 55 mm.

[0012] In one embodiment, the mold further includes a positioning member, which is arranged on the outer periphery of the slider group, and the positioning member is located on the side of the slider group along the third direction away from the first positioning surface, and the positioning member is provided with a second positioning surface extending along the third direction, and the second positioning surface is in contact with the side wall of the slider group.

[0013] In one embodiment, an extension dimension of the second positioning surface along the third direction ranges from 30 mm to 40 mm.

[0014] In one embodiment, the mold further includes a front mold and a rear mold, the front mold and the rear mold are arranged along a third direction, and the slider group can be fixed in the front mold, wherein the third direction intersects with both the first direction and the second direction.

[0015] In one embodiment, process holes are provided on two opposite sides of the front mold along the first direction, two opposite sides of the second direction, and one side away from the rear mold along the third direction, and the slider group is fixed to the front mold through the process holes.

[0016] In one embodiment, the number of the process holes on each side of the front mold is multiple.

[0017] In the mold of the embodiment of the present application, both ends of the first slider along the first direction are provided with a fitting surface, and part of the wall surface of the second slider fits with the fitting surface. In the process of the first slider expanding due to heat and squeezing the second slider, the first slider can transmit a force to the second slider through the fitting surface. The force transmitted through the fitting surface is perpendicular to the fitting surface, and because the fitting surface is parallel to the second direction, the force is also perpendicular to the second direction. When the first slider expands, it will push the second slider to basically displace along the first direction, which is conducive to reducing the displacement of the second slider in directions other than the first direction. The position of the second slider relative to the first slider is more stable, that is, the first sealing surface is more stable. In this way, the stability inside the slider group can be improved, and the probability of forming a step surface at the connection between the first sealing surface and the product cavity is reduced, which is conducive to improving the appearance quality of the product, enhancing the appearance effect of the product, and thus improving the qualified rate of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 An axonometric view of a mold according to an embodiment of the present application;

[0019] Figure 2 A plan view of a mold according to an embodiment of the present application from one perspective;

[0020] Figure 3 for Figure 2 Schematic diagram of the cross-section structure at AA in the middle;

[0021] Figure 4 for Figure 3 The enlarged schematic diagram of point B in the middle;

[0022] Figure 5 A plan view of a mold from another perspective of an embodiment of the present application;

[0023] Figure 6 for Figure 5 Schematic diagram of the cross-section structure at CC;

[0024] Figure 7 for Figure 6 The enlarged schematic diagram at D in the middle;

[0025] Figure 8 Schematic diagram of the structure of a slider group according to an embodiment of the present application.

[0026] Description of Reference Numerals

[0027] 100, mold; 100a, product cavity; 100b, second sealing surface; 10, slider group; 10a, first sealing surface; 10b, cavity; 11, first slider; 11a, fitting surface; 12, second slider; 20, mold core; 20a, first positioning surface; 30, positioning member; 30a, second positioning surface; 40, front mold; 40a, process hole; 50, back mold. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly described below in conjunction with the drawings in the embodiments of the present application. The following embodiments are only used to more clearly illustrate the technical scheme of the present application, and are therefore only used as examples, and the protection scope of the present application cannot be limited by this. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0029] In the description of the embodiments of the present application, the technical terms "first", "second", "third", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0030] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0031] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0032] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0033] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, the technical term "contact" should be understood in a broad sense, and may be direct contact or contact through an intermediate medium layer. It may be contact with essentially no interaction force between the two contacting parties, or it may be contact with interaction force between the two contacting parties.

[0034] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0035] Please also read Figures 1 to 8 , an embodiment of the present application provides a mold. The mold 100 includes a slider group 10, and the slider group 10 includes two first sliders 11 and two second sliders 12. The two first sliders 11 extend along the first direction and are arranged at intervals along the second direction, and the second direction intersects the first direction; the two second sliders 12 are respectively arranged at the two ends of the two first sliders 11 along the first direction, and any second slider 12 is fitted with the two first sliders 11; wherein, the extension dimension of the first slider 11 along the first direction is greater than the extension dimension of the second slider 12 along the second direction, and both ends of the first slider 11 along the first direction are provided with a fitting surface 11a parallel to the second direction, and part of the wall surface of the second slider 12 is fitted with the fitting surface 11a.

[0036] The specific direction of the first direction is not limited. Figures 1 to 3 , Figure 5 and Figure 8 The direction indicated by X.

[0037] The specific direction of the second direction is not limited. Figure 1 , Figure 3 , Figure 5 , Figure 6 as well as Figure 8 The direction shown in Y.

[0038] The first direction intersects with the second direction, for example, they may be orthogonal.

[0039] The inner side walls of the first sliding block 11 and the second sliding block 12 are used to form a part of the appearance of the product.

[0040] like Figures 2 to 4 , Figure 8 As shown, in some embodiments, the mold 100 further includes a mold core 20, and the slider group 10 is arranged to form a cavity 10b. The mold core 20 can fill a portion of the cavity 10b, and the unfilled portion of the cavity 10b constitutes at least a portion of the product cavity 100a. A first sealing surface 10a is formed at the joint of the first slider 11 and the second slider 12. The first sealing surface 10a is connected to the product cavity 100a, and the first sealing surface 10a usually needs to be inclined relative to the second direction, that is, the first sealing surface 10a is set at an angle with the second direction.

[0041] During the production process, the temperature inside the mold 100 rises, and the first slider 11 and the second slider 12 expand when heated. The extension dimension of the first slider 11 along the first direction is greater than the extension dimension of the second slider 12 along the second direction, that is, the length of the first slider 11 is greater than the length of the second slider 12.

[0042] It should be noted that the first slider 11 or the second slider 12 expands roughly along the length direction when heated. The length of the first slider 11 is greater than that of the second slider 12, and the slider group 10 is basically the first slider 11 that expands more. During the expansion of the first slider 11, a certain force is transmitted to the second slider 12.

[0043] In the related art, the first slider and the second slider are in contact only through the first sealing surface, and the force transmitted to the second slider during the expansion of the first slider is approximately perpendicular to the first sealing surface. Since the first sealing surface is tilted relative to the second direction, under the action of the force, the second slider produces a displacement, and the displacement can be decomposed into a part of the displacement along the first direction and a part of the displacement along the second direction. After the second slider produces a large displacement along the second direction, a small step will be formed at the connection between the first sealing surface and the product cavity, thus resulting in a small step surface on the appearance surface of the produced product, resulting in a poor appearance effect and a low pass rate of the product.

[0044] In the mold of the embodiment of the present application, both ends of the first slider 11 along the first direction are provided with a fitting surface 11a, and part of the wall surface of the second slider 12 fits with the fitting surface 11a. In the process of the first slider 11 expanding and squeezing the second slider 12 due to heat, the first slider 11 can transmit a force to the second slider 12 through the fitting surface 11a. The force transmitted through the fitting surface 11a is perpendicular to the fitting surface 11a, and because the fitting surface 11a is parallel to the second direction, the force is also perpendicular to the second direction. When the first slider 11 expands, it will push the second slider 12 to basically displace along the first direction, which is conducive to reducing the displacement of the second slider 12 in directions other than the first direction. The position of the second slider 12 relative to the first slider 11 is more stable, that is, the first sealing surface 10a is more stable. In this way, the stability of the slider group 10 can be improved, and the probability of forming a step surface at the connection between the first sealing surface 10a and the product cavity 100a is reduced, which is conducive to improving the appearance quality of the product, enhancing the appearance effect of the product, and thus improving the qualified rate of the product.

[0045] See also Figures 2 to 4 In one embodiment, the extension size of the bonding surface 11a along the second direction ranges from 30 mm to 50 mm, such as 30 mm, 32 mm, 34 mm, 36 mm, 38 mm, 40 mm, 42 mm, 44 mm, 46 mm, 48 mm, 50 mm, etc.

[0046] It should be noted that in the embodiments of the present application, the unit referred to by “mm” is “millimeter”.

[0047] The extension dimension of the fitting surface 11a along the second direction is controlled within the range of 30 mm to 50 mm. On the one hand, the extension length of the fitting surface 11a will not be too small. In this way, when the first slider 11 expands due to heat and pushes the second slider 12 to displace, the force exerted by the first slider 11 on the second slider 12 can be basically perpendicular to the second direction, thereby reducing the displacement of the second slider 12 in directions other than the first direction. On the other hand, the extension length of the fitting surface 11a along the second direction will not be too large, which is conducive to controlling the size of the mold core 20 and further controlling the overall size of the mold 100.

[0048] See also Figures 2 to 4 In one embodiment, the extension size of the bonding surface 11a along the second direction ranges from 35 mm to 45 mm, such as 35 mm, 37 mm, 39 mm, 41 mm, 43 mm, 45 mm, etc.

[0049] It is more reasonable to control the extension dimension of the fitting surface 11a along the second direction within the range of 35 mm to 45 mm, which can effectively control the overall dimension of the mold 100 while enabling the second slider 12 to move along the first direction as much as possible when the first slider 11 expands.

[0050] See also Figures 5 to 8 In one embodiment, the slider group 10 is surrounded by a cavity 10b which is open on two opposite sides along a third direction. The mold 100 also includes a mold core 20. The mold core 20 is provided with a first positioning surface 20a extending along the third direction. At least a portion of the mold core 20 extends into the cavity 10b through the open side of the cavity 10b, and is in contact with the cavity wall of the cavity 10b through the first positioning surface 20a, wherein the third direction intersects with both the first direction and the second direction.

[0051] The specific direction of the third direction is not limited. For example, it can be Figure 1 , Figure 2 , Figure 6 as well as Figure 8 The direction shown by Z.

[0052] The third direction intersects with both the first direction and the second direction, that is, the first direction, the second direction and the third direction are arranged at an angle to each other. Specifically, any two of the three directions are arranged orthogonally.

[0053] The first positioning surface 20a extends along the third direction. Figure 7 Taking the perspective shown as an example, the cross section of the first positioning surface 20a is a line, and the straight line segment formed between the endpoints of the line is not perpendicular to the third direction. It should be noted that the line can be a curve or a straight line, that is, the first positioning surface 20a can be a plane or a curved surface. The extension dimension of the first positioning surface 20a along the third direction is the length of the line.

[0054] It should be noted that, on either side of the first direction and the second direction, the mold core 20 can be fitted with the cavity wall of the cavity 10b through the first positioning surface 20a, that is, the mold core 20 can be provided with multiple first positioning surfaces 20a, for example, it can include two first positioning surfaces 20a on both sides along the first direction, through which the inner walls of the two second sliders 12 can be fitted respectively; for example, it can also include two first positioning surfaces 20a on both sides along the second direction, through which the inner walls of the two first sliders 11 can be fitted respectively.

[0055] Specifically, Figures 6 to 8 As shown, the following is an example in which both sides of the mold core 20 along the second direction have first positioning surfaces 20a, and the inner side wall of the first sliding block 11 is fitted with the first positioning surface 20a to achieve positioning.

[0056] The mold core 20 and the cavity wall of the cavity 10b define at least a portion of the product cavity 100a. Specifically, the mold core 20 may include multiple parts, each part of the mold core 20 occupies a portion of the space in the cavity 10b, and the remaining space in the cavity 10b constitutes at least a portion of the product cavity 100a. A second sealing surface 100b is formed between the mold core 20 and the first slider 11, and the second sealing surface 100b is connected to the product cavity 100a, and the second sealing surface 100b is set at an angle to the first positioning surface 20a. Figure 7 As shown, during the injection molding process, after the material enters the product cavity 100a, the material forms a certain impact force on the inner wall of the first sliding block 11 during the flow process.

[0057] In the related art, the second sealing surface is defined and formed between the top wall of the slider group along the third direction and the mold core. During the installation of the slider group in the mold, there may be installation errors, which makes it impossible to achieve a sealed fit between the slider group and the mold core, that is, the second sealing surface has a certain gap size. Thus, during the injection molding process, under the influence of the gap size of the second sealing surface, the impact force of the material on the inner wall of the slider group may cause the slider group to rotate to a certain extent, thereby affecting the quality of the product.

[0058] The mold 100 of the present embodiment is provided with a first positioning surface 20a on the mold core 20, the first positioning surface 20a is in contact with the inner wall of the slider group 10, the second sealing surface 100b is equivalent to a step surface formed on the wall of the cavity 10b, the second sealing surface 100b faces one side of the third direction, the first positioning surface 20a and the second sealing surface 100b form a corner surface, that is, the first positioning surface 20a is connected to the second sealing surface 100b, thereby strengthening the positioning effect between the mold core 20 and the slider group 10, thereby improving the stability of the slider group 10 installed in the mold 100, and is conducive to improving the quality of the product.

[0059] See also Figures 5 to 7 In one embodiment, the extension size of the first positioning surface 20a along the third direction ranges from 45 mm to 55 mm, such as 45 mm, 46 mm, 47 mm, 48 mm, 49 mm, 50 mm, 51 mm, 52 mm, 53 mm, 54 mm, 55 mm, etc.

[0060] The extension dimension of the first positioning surface 20a along the third direction is controlled within the range of 45 mm to 55 mm. On the one hand, the extension length of the first positioning surface 20a will not be too small, thereby ensuring the positioning effect of the first positioning surface 20a on the first slider 11 or the second slider 12; on the other hand, the extension length of the first positioning surface 20a along the third direction will not be too large, thereby facilitating the control of the size of the mold core 20, and further controlling the overall size of the mold 100.

[0061] That is to say, the extension dimension of the first positioning surface 20a along the third direction is controlled within the range of 45 mm to 55 mm, so as to meet the positioning requirement of the first positioning surface 20a and also facilitate control of the overall dimension of the mold 100.

[0062] See also Figures 5 to 8 In one embodiment, the mold 100 also includes a positioning member 30, which is arranged on the outer periphery of the slider group 10, and the positioning member 30 is located on the side of the slider group 10 away from the first positioning surface 20a along the third direction. The positioning member 30 is provided with a second positioning surface 30a extending along the third direction, and the second positioning surface 30a is in contact with the side wall of the slider group 10.

[0063] The extension of the second positioning surface 30a along the third direction can be understood according to the explanation that the first positioning surface 20a extends along the third direction, and the present application will not elaborate on it here.

[0064] It should be noted that there is no limit to the number of positioning members 30. The two sides of the mold 100 along the first direction and the two sides along the second direction together constitute at least four sides of the mold 100, and any of the four sides may be provided with positioning members 30 or not. Exemplarily, when positioning members 30 are provided on all four sides, the two first sliders 11 and the two second sliders 12 are respectively positioned with one positioning member 30.

[0065] By providing the positioning member 30, the side of the slider group 10 away from the first positioning surface 20a along the third direction can be more firmly positioned by the second positioning surface 30a of the positioning member 30, thereby further improving the stability of the first slider 11 and / or the second slider 12, and further making the second sealing surface 100b between the mold core 20 and the slider group 10 more stable, which is beneficial to further improve the quality of the product.

[0066] See also Figures 5 to 7 In one embodiment, the extension size of the second positioning surface 30a along the third direction ranges from 30 mm to 40 mm, such as 30 mm, 31 mm, 32 mm, 33 mm, 34 mm, 35 mm, 36 mm, 37 mm, 38 mm, 39 mm, 40 mm, etc.

[0067] The extension dimension of the second positioning surface 30a along the third direction is controlled within the range of 30 mm to 40 mm. On the one hand, the extension length of the second positioning surface 30a will not be too small, thereby ensuring the positioning effect of the second positioning surface 30a on the first slider 11 or the second slider 12; on the other hand, the extension length of the second positioning surface 30a along the third direction will not be too large, thereby facilitating the control of the size of the mold core 20, and further controlling the overall size of the mold 100.

[0068] That is, the extension dimension of the second positioning surface 30a along the third direction is controlled within the range of 30 mm to 40 mm, so as to meet the positioning requirement of the second positioning surface 30a and also facilitate control of the overall dimension of the mold 100.

[0069] See also Figure 1 and Figure 8 In one embodiment, the mold 100 further includes a front mold 40 and a rear mold 50, the front mold 40 and the rear mold 50 are arranged along a third direction, and the slider group 10 can be fixed in the front mold 40, wherein the third direction intersects with both the first direction and the second direction.

[0070] The first direction, the second direction and the third direction have been explained in the foregoing, and will not be repeated in this application.

[0071] It should be noted that after polishing the inner wall of the slider group 10, that is, the inner wall of the first slider 11 and / or the second slider 12, the product produced by the mold 100 does not need to be polished again, and the product can still have a good appearance.

[0072] The front mold 40 and the rear mold 50 are arranged along the third direction, which is also the mold opening direction and mold closing direction of the mold 100. During the mold opening process, the movement direction of the first slider 11 and the movement direction of the second slider 12 both intersect with the third direction. For example, in the embodiment of the present application, the first slider 11 moves along the second direction, and the second slider 12 moves along the first direction, so that the product is ejected from the mold.

[0073] When polishing the slider group 10 first, it is necessary to ensure that the slider group 10 is installed as a whole in the front mold 40. After the sealing surface of the mold 100 (such as the first sealing surface 10a, the second sealing surface 100b, etc.) is formed in place, the inner wall of the slider group 10 is polished, that is, it is necessary to simulate the polishing of the inner wall of the slider group 10 in the production state.

[0074] By designing the slider group 10 to be fixed to the front mold 40, the slider group 10 can be stably installed on the front mold 40, which is beneficial for keeping the state between the slider group 10 and the front mold 40 as consistent as possible with the state of the mold 100 during production, thereby facilitating polishing the inner wall of the slider group 10.

[0075] It should be noted that the specific method in which the slider assembly 10 can be fixed to the front mold 40 is not limited. Figure 1 and Figure 8 In one embodiment, the front mold 40 is provided with process holes 40a on two opposite sides along the first direction, two opposite sides along the second direction, and one side away from the rear mold 50 along the third direction, and the slider group 10 is fixed to the front mold 40 through the process holes 40a.

[0076] The fixing device can pass through the process hole 40a to limit the movement of the first slider 11 along the second direction and / or the movement of the second slider 12 along the first direction. In this way, the slider group 10 is limited in at least three directions, thereby achieving the fixation of the slider group 10 on the front mold 40, which facilitates the polishing of the slider group 10.

[0077] See also Figure 1 In one embodiment, the number of process holes 40a on each side of the front mold 40 is multiple.

[0078] It should be noted that, in the embodiments of the present application, a plurality refers to any number of two or more than two.

[0079] Each side of the front mold 40 includes at least two sides along the first direction, two sides along the second direction, and one side along the third direction away from the rear mold 50. The number of process holes 40a on each of the five sides can be multiple, and the present application does not limit this.

[0080] It can be understood that the first slider 11 and the second slider 12 both have a certain length and are fixed by a plurality of process holes 40 a , so that the slider group 10 is better fixed on the front mold 40 .

[0081] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application is described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A mold, characterized in that: The mold includes a slider group, and the slider group includes: Two first sliding blocks, both extending along a first direction and spaced apart along a second direction, wherein the second direction intersects the first direction; Two second sliders are respectively arranged at two ends of the two first sliders along the first direction, and any one of the second sliders is in contact with the two first sliders; The extension dimension of the first slider along the first direction is greater than the extension dimension of the second slider along the second direction, both ends of the first slider along the first direction are provided with abutment surfaces parallel to the second direction, and part of the wall surface of the second slider is in abutment with the abutment surfaces; The mold also includes a mold core, the slider group is arranged to form a cavity, the mold core fills a part of the cavity, the unfilled part of the cavity constitutes at least a part of the product cavity, and a first sealing surface is formed at the joint of the first slider and the second slider, the first sealing surface is connected to the product cavity, and the first sealing surface is inclined relative to the second direction.

2. The mold according to claim 1, characterized in that: The extension dimension of the bonding surface along the second direction ranges from 30 mm to 50 mm.

3. The mold according to claim 1, characterized in that: The extension dimension of the bonding surface along the second direction ranges from 35 mm to 45 mm.

4. The mold according to claim 1, characterized in that: The cavity is open on two opposite sides along the third direction, and the mold core is provided with a first positioning surface extending along the third direction. At least a portion of the mold core extends into the cavity through the open side of the cavity and is fitted with the cavity wall of the cavity through the first positioning surface, wherein the third direction intersects with both the first direction and the second direction.

5. The mold according to claim 4, characterized in that: An extension dimension of the first positioning surface along the third direction ranges from 45 mm to 55 mm.

6. The mold according to claim 4, characterized in that: The mold also includes a positioning piece, which is arranged on the outer periphery of the slider group and is located on a side of the slider group away from the first positioning surface along the third direction. The positioning piece is provided with a second positioning surface extending along the third direction, and the second positioning surface is in contact with the side wall of the slider group.

7. The mold according to claim 6, characterized in that: An extension dimension of the second positioning surface along the third direction ranges from 30 mm to 40 mm.

8. The mold according to any one of claims 1 to 7, characterized in that: The mold further includes a front mold and a rear mold, wherein the front mold and the rear mold are arranged along a third direction, and the slider group can be fixed in the front mold, wherein the third direction intersects with both the first direction and the second direction.

9. The mold according to claim 8, characterized in that: The front mold is provided with process holes on two opposite sides along the first direction, two opposite sides along the second direction, and one side away from the rear mold along the third direction, and the slider group is fixed on the front mold through the process holes.

10. The mold according to claim 9, characterized in that: The number of the process holes on each side of the front mold is multiple.

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