Pressure maintaining jig

Abstract

The pressure maintaining jig comprises an upper die assembly and a lower die assembly, the upper die assembly comprises an upper die plate and a pressure maintaining head arranged at the bottom of the upper die plate, and the pressure maintaining head is made of a flexible material and protrudes out of the lower end face of the upper die plate; the lower die assembly is correspondingly arranged below the upper die assembly and comprises a lower die plate, the lower die plate comprises a bottom plate part and a positioning part located on the bottom plate part, a positioning groove is formed in the upper end face of the bottom plate part, the shape of the positioning groove is matched with the shape of the first semi-finished product, and the positioning part is arranged on the outer side of the positioning groove. The first limiting part is connected to the end, away from the third limiting part, of the fourth limiting part and used for being matched with the third limiting part to limit displacement of the first semi-finished product in the first direction, and the second limiting part is connected to the end, away from the fourth limiting part, of the third limiting part and used for being matched with the fourth limiting part to limit displacement of the first semi-finished product in the second direction. By means of the pressure maintaining jig, products can be attached more evenly and firmly, and the attaching pressure maintaining effect is improved.

Description

Technical Field

[0001] The present application relates to the technical field of lamination processing of special-shaped flexible products, and in particular to a pressure-maintaining jig. Background Art

[0002] Conventional pressure-maintaining heads are made of acrylic or metal, and their hardness cannot be altered. If the flatness of the pressure-maintaining head is not guaranteed and it hits a certain spot during the pressure-maintaining process, the product will not be pressed across the entire bonding surface, resulting in uneven pressure retention and weak adhesion. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a pressure-maintaining jig that can make the product fit more evenly and firmly, thereby improving the effect of fitting and maintaining pressure.

[0004] The pressure-maintaining fixture according to the embodiment of the present invention includes: an upper mold assembly and a lower mold assembly, the upper mold assembly includes an upper mold plate and a pressure-maintaining head arranged at the bottom of the upper mold plate, the pressure-maintaining head is made of flexible material and protrudes from the lower end surface of the upper mold plate; the lower mold assembly is correspondingly arranged below the upper mold assembly and includes a lower mold plate, the lower mold plate includes a bottom plate portion and a positioning portion located on the bottom plate portion, the upper end surface of the bottom plate portion is provided with a positioning groove, the shape of the positioning groove is adapted to the shape of the first semi-finished product, the positioning portion is arranged on the outside of the positioning groove, and includes a bending portion, a first limit The first limiting portion is connected to the end of the fourth limiting portion away from the third limiting portion, and is used to cooperate with the third limiting portion to limit the displacement of the first semi-finished product in the first direction. The second limiting portion is connected to the end of the third limiting portion away from the fourth limiting portion, and is used to cooperate with the fourth limiting portion to limit the displacement of the first semi-finished product in the second direction. The positioning portion avoids the pressure maintaining head and the through hole of the second semi-finished product at the same time; wherein the first direction and the second direction are both horizontal and perpendicular to each other.

[0005] The pressure-maintaining fixture according to the embodiment of the present invention has at least the following beneficial effects: the pressure-maintaining fixture includes an upper mold assembly and a lower mold assembly distributed up and down, wherein the upper mold assembly includes an upper mold plate and a flexible pressure-maintaining head protruding from the bottom of the upper mold plate, and the lower mold assembly includes a lower mold plate, and the lower mold plate includes a bottom plate portion and a positioning portion located on the bottom plate portion, the positioning portion includes a first limiting portion, a second limiting portion, a third limiting portion and a fourth limiting portion, and the positioning portion is located on the outside of the positioning groove on the bottom plate portion, the first limiting portion and the third limiting portion cooperate to limit the first semi-finished product in the first direction, and the second limiting portion and the fourth limiting portion cooperate to limit the first semi-finished product in the second direction, so that when in use, the positioning groove is first used to limit the first semi-finished product. The first semi-finished product is limited, and the second semi-finished product is sleeved on the positioning part, so that the second semi-finished product is aligned and fitted with the first semi-finished product, and during the mold closing and pressure-holding process of the upper mold assembly and the lower mold assembly, the first semi-finished product and the second semi-finished product are tightly fitted by pressing the flexible pressure-holding head, avoiding the influence of the uneven lower end surface of the pressure-holding head on the pressure-holding effect; in addition, the positioning groove can achieve preliminary positioning of the first semi-finished product, and the positioning part plays a role in further limiting the first semi-finished product and the second semi-finished product during the pressure-holding process, preventing displacement during the mold closing and pressure-holding process, and improving the fitting effect; therefore, the pressure-holding jig of the present application can make the product fit more evenly and firmly, and improve the fitting and pressure-holding effect.

[0006] According to some embodiments of the present invention, the upper end surface of the positioning portion is a horizontal end surface away from the outer side of the positioning groove, and the upper end surface of the positioning portion is provided with a guide surface close to the inner side of the positioning groove, and the height of the guide surface gradually decreases from the outside to the inside.

[0007] According to some embodiments of the present invention, the guide surface is a guide inclined surface.

[0008] According to some embodiments of the present invention, at least one notch is provided on the periphery of the bottom plate portion to form a pick-and-place position.

[0009] According to some embodiments of the present invention, the opposing surfaces of the upper mold plate and the lower mold plate are respectively provided with corresponding adaptive guide members and guide grooves, so that the upper mold assembly and the lower mold assembly can be aligned and pressure maintained.

[0010] According to some embodiments of the present invention, the guide member is provided on the lower template, and the guide groove is provided on the upper template.

[0011] According to some embodiments of the present invention, the pressure maintaining head is made of silicone.

[0012] According to some embodiments of the present invention, the upper template is provided with a receiving groove, and the upper end of the pressure maintaining head is embedded in the receiving groove with an interference fit.

[0013] According to some embodiments of the present invention, the upper template and the lower template are both set to be square, and the corners of the upper template and the lower template in the same direction are provided with identification notches for preventing mistakes.

[0014] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become obvious from the description below, or will be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0016] Figure 1 This is a schematic diagram of the overall structure of one embodiment of the pressure-maintaining fixture of the present invention;

[0017] Figure 2 for Figure 1 Exploded view of the lower die assembly, the first semi-finished product, and the second semi-finished product in the pressure holding fixture shown in ;

[0018] Figure 3 for Figure 2 A partial enlarged view of point A in the middle;

[0019] Figure 4 for Figure 1 Bottom view of the upper mold assembly in the pressure holding fixture shown in .

[0020] Reference numerals:

[0021] Upper mold assembly 100; upper mold plate 110; guide groove 111; pressure maintaining head 120; lower mold assembly 200; lower mold plate 210; bottom plate portion 211; positioning groove 2111; notch 2112; positioning portion 212; first limiting portion 2121; second limiting portion 2122; third limiting portion 2123; fourth limiting portion 2124; guide surface 2125; guide member 220; identification notch 300; first semi-finished product 410; second semi-finished product 420. DETAILED DESCRIPTION

[0022] The following describes in detail embodiments of the present application. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application and are not to be construed as limiting the present application.

[0023] In the description of this application, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They 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, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on this application.

[0024] In the description of this application, "several" means more than one, "plurality" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0025] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0026] In the description of this application, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of this application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples.

[0027] Reference below Figures 1 to 4 The pressure-maintaining fixture according to an embodiment of the present invention is described.

[0028] like Figures 1 to 3As shown, the pressure-maintaining fixture according to the embodiment of the present invention includes: an upper mold assembly 100 and a lower mold assembly 200, the upper mold assembly 100 includes an upper mold plate 110 and a pressure-maintaining head 120 arranged at the bottom of the upper mold plate 110, the pressure-maintaining head 120 is made of flexible material and protrudes from the lower end surface of the upper mold plate 110; the lower mold assembly 200 is correspondingly arranged below the upper mold assembly 100 and includes a lower mold plate 210, the lower mold plate 210 includes a bottom plate portion 211 and a positioning portion 212 located on the bottom plate portion 211, the upper end surface of the bottom plate portion 211 is provided with a positioning groove 2111, the shape of the positioning groove 2111 is adapted to the shape of the first semi-finished product 410, the positioning portion 212 is arranged on the outside of the positioning groove 2111, and includes a bending portion, a first A limiting portion 2121 and a second limiting portion 2122, the bending portion includes a third limiting portion 2123 and a fourth limiting portion 2124 connected to each other, the first limiting portion 2121 is connected to the end of the fourth limiting portion 2124 away from the third limiting portion 2123, and is used to cooperate with the third limiting portion 2123 to limit the displacement of the first semi-finished product 410 in the first direction, the second limiting portion 2122 is connected to the end of the third limiting portion 2123 away from the fourth limiting portion 2124, and is used to cooperate with the fourth limiting portion 2124 to limit the displacement of the first semi-finished product 410 in the second direction, the positioning portion 212 simultaneously avoids the through holes of the pressure maintaining head 120 and the second semi-finished product 420; wherein, the first direction and the second direction are both horizontal and perpendicular to each other.

[0029] It can be understood that this pressure-maintaining fixture includes an upper mold assembly 100 and a lower mold assembly 200 distributed up and down, wherein the upper mold assembly 100 includes an upper mold plate 110 and a flexible pressure-maintaining head 120 protruding from the bottom of the upper mold plate 110, and the lower mold assembly 200 includes a lower mold plate 210, and the lower mold plate 210 includes a bottom plate portion 211 and a positioning portion 212 located on the bottom plate portion 211, the positioning portion 212 includes a first limiting portion 2121, a second limiting portion 2122, a third limiting portion 2123 and a fourth limiting portion 2124, and the positioning portion 212 is located on the outside of the positioning groove 2111 on the bottom plate portion 211, the first limiting portion 2121 and the third limiting portion 2123 cooperate to limit the first semi-finished product 410 in the first direction, and the second limiting portion 2122 and the fourth limiting portion 2124 cooperate to limit the first semi-finished product 410 in the second direction, so that when using When in use, the first semi-finished product 410 is first limited by the positioning groove 2111, and the second semi-finished product 420 is sleeved on the positioning part 212, so that the second semi-finished product 420 is aligned and fitted with the first semi-finished product 410, and during the mold closing and pressure holding process of the upper mold assembly 100 and the lower mold assembly 200, the first semi-finished product 410 and the second semi-finished product 420 are tightly fitted by pressing the flexible pressure holding head 120, avoiding the influence of the uneven lower end surface of the pressure holding head 120 on the pressure holding effect; in addition, the positioning groove 2111 can achieve the preliminary positioning of the first semi-finished product 410, and the positioning part 212 plays a role in further limiting the first semi-finished product 410 and the second semi-finished product 420 during the pressure holding process, preventing the phenomenon of displacement during the mold closing and pressure holding process, and improving the fitting effect; therefore, the pressure holding fixture of the present application can make the product fit more evenly and firmly, and improve the fitting and pressure holding effect.

[0030] The positioning portion 212 is higher than the upper end surface of the bottom plate portion 211 .

[0031] It can be understood that the upper end surface of the positioning portion 212 is a horizontal end surface away from the outer side of the positioning groove 2111, and the upper end surface of the positioning portion 212 is provided with a guide surface 2125 on the inner side close to the positioning groove 2111, and the height of the guide surface 2125 gradually decreases from the outside to the inside. Figure 3 As shown, in this embodiment, a guide surface 2125 is provided on the inner side of the top end of the positioning portion 212, so that the first semi-finished product 410 can slide into the guide groove 111 along the guide surface 2125 during the process of being aligned along the positioning portion 212 and falling into the positioning groove 2111, thereby avoiding collision damage to the first semi-finished product 410, and also avoiding collision damage to the second semi-finished product 420.

[0032] It is understandable that the guide surface 2125 is a guide slope. Figure 3As shown, in this embodiment, the guide surface 2125 is a guide slope, that is, the guide slope of the upper end surface of the positioning portion 212 gradually decreases from the side away from the guide groove 111 to the side close to the guide groove 111. Of course, in other embodiments, the guide surface 2125 can also be a guide curved surface.

[0033] It is understood that at least one notch 2112 is provided on the periphery of the bottom plate portion 211 to form a pick-and-place position. Figures 1 to 2 As shown, in this embodiment, at least one notch 2112 is provided on the periphery of the bottom plate portion 211, so that the edge of the second semi-finished product 420 can cover the notch 2112, so as to facilitate manual removal or placement of the second semi-finished product 420, and prevent the finished product formed after the first semi-finished product 410 and the second semi-finished product 420 are bonded together from sticking to the lower mold assembly 200 and being difficult to remove.

[0034] It is understood that the upper mold plate 110 and the lower mold plate 210 are provided with correspondingly adapted guide members 220 and guide grooves 111 on their opposite surfaces, so as to align and maintain the pressure of the upper mold assembly 100 and the lower mold assembly 200. Figures 1 to 4 As shown, in this embodiment, a guide member 220 and a guide groove 111 are respectively provided on the opposite surfaces of the upper template 110 and the lower template 210, so that the alignment degree of the upper template 110 and the lower template 210 can be improved when the mold is closed, thereby improving the alignment degree of the pressure holding head 120 for holding the first semi-finished product 410 and the second semi-finished product 420, thereby improving the pressure holding effect.

[0035] It is understood that the guide member 220 is provided on the lower template 210, and the guide groove 111 is provided on the upper template 110. For example, Figures 1 to 4 As shown, in this embodiment, during the mold closing process, as the upper mold plate 110 and the lower mold plate 210 gradually approach each other, the guide member 220 is inserted into the guide groove 111 of the upper mold plate 110, thereby achieving alignment and pressing, thereby improving the pressure holding effect of the pressure holding head 120.

[0036] It is understandable that the pressure maintaining head 120 is made of silicone. Figure 4 As shown, in this embodiment, the pressure maintaining head 120 is made of silicone material. In some other embodiments, the pressure maintaining head 120 can also be made of rubber or latex.

[0037] It is understood that the upper mold plate 110 is provided with a receiving groove, and the upper end of the pressure maintaining head 120 is inserted into the receiving groove with an interference fit. For example, in this embodiment, the upper end of the pressure maintaining head 120 is inserted into the receiving groove with an interference fit, thereby facilitating replacement of the pressure maintaining head 120 after long-term use.

[0038] It is understandable that the upper template 110 and the lower template 210 are both set to be square, and the corners of the upper template 110 and the lower template 210 in the same direction are provided with identification notches 300 for foolproofing. Figure 1 As shown, in this embodiment, the upper template 110 and the lower template 210 are provided with identification notches 300 in the same position, so that the upper mold assembly 100 and the lower mold assembly 200 can be installed in a corresponding matching manner on the corresponding drive frame, thereby improving the adaptability of the overall device.

[0039] The embodiments of the present application have been described in detail above with reference to the accompanying drawings. However, the present application is not limited to the above embodiments. Various modifications can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present application. In addition, the embodiments of the present application and the features of the embodiments can be combined with each other unless there is a conflict.

Claims

1. A pressure-maintaining fixture, characterized in that: include: The upper mold assembly includes an upper mold plate and a pressure-maintaining head provided at the bottom of the upper mold plate, wherein the pressure-maintaining head is made of a flexible material and protrudes from the lower end surface of the upper mold plate; The lower mold assembly is correspondingly arranged below the upper mold assembly and includes a lower mold plate, the lower mold plate includes a bottom plate portion and a positioning portion located on the bottom plate portion, the upper end surface of the bottom plate portion is provided with a positioning groove, the shape of the positioning groove is adapted to the shape of the first semi-finished product, the positioning portion is arranged on the outer side of the positioning groove, and includes a bending portion, a first limiting portion and a second limiting portion, the bending portion includes a third limiting portion and a fourth limiting portion connected thereto, the first limiting portion is connected to an end of the fourth limiting portion away from the third limiting portion, and is used to cooperate with the third limiting portion to limit the displacement of the first semi-finished product in the first direction, the second limiting portion is connected to an end of the third limiting portion away from the fourth limiting portion, and is used to cooperate with the fourth limiting portion to limit the displacement of the first semi-finished product in the second direction, the positioning portion simultaneously avoids the through holes of the pressure holding head and the second semi-finished product; wherein, the first direction and the second direction are both horizontal and perpendicular to each other.

2. The pressure-maintaining jig according to claim 1, characterized in that: The upper end surface of the positioning portion is a horizontal end surface away from the outer side of the positioning groove, and the upper end surface of the positioning portion is provided with a guide surface close to the inner side of the positioning groove, and the height of the guide surface gradually decreases from the outside to the inside.

3. The pressure-maintaining jig according to claim 2, characterized in that: The guide surface is a guide inclined surface.

4. The pressure-maintaining jig according to claim 1, characterized in that: At least one notch is provided on the outer periphery of the bottom plate portion to form a pick-and-place position.

5. The pressure maintaining fixture according to claim 1, characterized in that: The opposing surfaces of the upper mold plate and the lower mold plate are respectively provided with correspondingly adapted guide members and guide grooves so as to enable the upper mold assembly and the lower mold assembly to be aligned and pressure maintained.

6. The pressure-maintaining jig according to claim 5, characterized in that: The guide member is arranged on the lower template, and the guide groove is arranged on the upper template.

7. The pressure-maintaining jig according to claim 1, characterized in that: The pressure maintaining head is made of silicone.

8. The pressure maintaining fixture according to claim 1, characterized in that: The upper template is provided with a receiving groove, and the upper end of the pressure maintaining head is embedded in the receiving groove through interference fit.

9. The pressure-maintaining jig according to claim 1, characterized in that: The upper template and the lower template are both set to be square, and the corners of the upper template and the lower template in the same position are provided with identification notches for preventing mistakes.

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