Stacked pressure maintaining jig

Abstract

The utility model provides a laminated pressure maintaining jig which comprises at least two pressing plates which are arranged in a vertically laminated mode and used for clamping a product between the two adjacent pressing plates for pressure maintaining, the upper surfaces of the pressing plates are provided with first spaces, and the lower surfaces of the pressing plates are provided with second spaces corresponding to the first spaces of the adjacent pressing plates. Products are placed in the first space of the lower pressing plate and the second space of the upper pressing plate, a plurality of installation grooves are formed in the upper surface and the lower surface of each pressing plate and surround the first space and the second space respectively, the installation grooves in the upper surface and the lower surface of each pressing plate are arranged correspondingly, and a magnet is installed in each installation groove. The polarities of the magnets in the mounting grooves, located at the corresponding positions of the adjacent faces, of every two adjacent pressing plates attract each other, a first supporting part used for abutting against a fixing frame of a product is arranged in the first space in a protruding mode, and a second supporting part used for abutting against a screen of the product and corresponding to the first supporting part is arranged in the second space in a protruding mode.

Description

Technical Field

[0001] The utility model relates to the field of jigs, in particular to a stacked pressure-holding jig. Background Art

[0002] There are many processes in the screen assembly of a smart phone. One of the processes is to combine the screen and the middle frame. Glue is mainly applied to the middle frame of the smart phone, and then the screen and the middle frame are bonded. To prevent the bonding position of the screen and the middle frame from deviating during the solidification of the glue, the middle frame and the screen need to be fixed by a pressure-holding jig until the glue solidifies before they can be taken out. Finally, the combined middle frame and screen are assembled into the housing to form a finished smart phone.

[0003] The existing pressure-holding jigs generally include an upper cover, a lower cover, a fixing plate arranged between the upper cover and the lower cover, and locking parts for fixing the upper cover, the lower cover and the fixing plate. The middle frame and the screen are placed between the upper cover and the fixing plate, and between the fixing plate and the lower cover, and then locked by the locking parts for pressure holding. The existing pressure-holding jigs not only require making various types of cover plates, but also the assembly and disassembly processes are very cumbersome, seriously affecting work efficiency. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a stacked pressure-holding jig which is not only simple in structure and convenient to operate, but also can realize simultaneous pressure holding of multiple products by using pressing plates with the same structure arranged in a stacked manner.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A stacked pressure-holding fixture includes at least two press plates stacked vertically. It is used to clamp a product between two adjacent press plates for pressure holding. A first space is provided on the upper surface of the press plate, and a second space corresponding to the first space of the adjacent press plate is provided on the lower surface of the press plate. The product is placed in the first space of the lower press plate and the second space of the upper press plate. A plurality of mounting grooves are respectively provided on the upper surface and the lower surface of the press plate around the first space and the second space. The mounting grooves on the upper surface and the lower surface of the press plate are arranged corresponding to each other. A magnet is installed in each mounting groove, and the magnets in the mounting grooves at the corresponding positions of the adjacent surfaces of the two adjacent press plates are arranged with opposite polarities attracting each other. A first support portion for abutting against the fixed frame of the product is convexly provided in the first space, and a second support portion for abutting against the screen of the product and corresponding to the first support portion is convexly provided in the second space. When the product is placed between two adjacent upper and lower press plates, under the magnetic attraction of the magnets, the upper and lower press plates are mutually attached, and the screen and the fixed frame are mutually attached and pressure held by the first support portion located below and the second support portion located above respectively abutting against the screen and the fixed frame.

[0007] Further, a positioning post is convexly provided in the first space. The positioning post is used to adapt to the camera hole and / or the flash hole of the screen of the product.

[0008] Further, a plurality of positioning blocks are convexly provided on the lower surface of the outer peripheral circle of the press plate, and a plurality of positioning grooves corresponding to the plurality of positioning blocks of the adjacent press plate are concavely provided on the upper surface of the outer peripheral circle of the press plate.

[0009] Further, a limiting protrusion for abutting against the positioning block is provided on one side wall of the positioning groove.

[0010] Further, a third support portion for supporting the screen of the product is provided at the middle position of the first space. The third support portion is arranged in a grid shape.

[0011] Further, a fixing portion for fastening the magnet is convexly provided on the inner side wall of the mounting groove.

[0012] Further, an extension portion for strengthening the fastening of the magnet is further convexly provided on the fixing portion.

[0013] Further, a wrench portion for stacking and placing or carrying the press plate is provided at the end of the press plate along a diagonal line.

[0014] Further, an anti-fooling portion is provided at one corner of the press plate.

[0015] Furthermore, a connecting ring is provided on the outer peripheral circle of the pressing plate, and the stacked pressing plates are further fixed and pressure-maintained by passing a connecting rod through the connecting ring.

[0016] The stacked pressure-maintaining fixture of the present utility model not only has a simple structure and is convenient to operate, but also can realize the simultaneous pressure-maintaining of multiple products only by the pressing plates of the same model arranged in a stacked manner, improving the work efficiency and saving the cost of manufacturing the pressing plates of different models at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a perspective view of a stacked pressure-maintaining fixture of the present utility model.

[0018] Figure 2 is Figure 1 a perspective exploded view of the stacked pressure-maintaining fixture shown.

[0019] Figure 3 is Figure 2 a partially enlarged view of part A of the stacked pressure-maintaining fixture shown.

[0020] Figure 4 is Figure 1 a perspective view of another angle of the stacked pressure-maintaining fixture shown. [[ID=2)]]

[0021] Figure 5 is an assembly drawing of the product of the present utility model installed on one side of the pressing plate.

[0022] Figure 6 is an assembly drawing of the product of the present utility model installed on the other side of the pressing plate.

[0023] Figure 7 is a perspective view of the pressing plate of the present utility model.

[0024] Figure 8 is Figure 7 a perspective view of another angle of the pressing plate shown.

[0025] Figure 9 is Figure 8 a partially enlarged view of part B of the pressing plate shown.

[0026] Figure 10 is Figure 1 a cross-sectional view of the stacked pressure-maintaining fixture shown.

[0027] Figure 11 is Figure 10 a partially enlarged view of part C of the stacked pressure-maintaining fixture described. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0028] The specific embodiments of the present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0029] The terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", etc. in the specification and claims of the present utility model indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the sake of clear expression of the technical solution and convenient description, and thus should not be construed as a limitation to the present application.

[0030] Please refer to Figures 1 - 11 , the present utility model discloses a stacked pressure-holding fixture, which includes at least two pressing plates 100 stacked up and down, and is used to clamp the product 300 between two adjacent pressing plates 100 for pressure holding.

[0031] Among them, a first space 111 is provided on the upper surface of the pressing plate 100, and a second space 112 corresponding to the first space 111 of the adjacent pressing plate 100 is provided on the lower surface of the pressing plate 100. The product 300 is placed in the first space 111 of the pressing plate 100 located below and the second space 112 of the pressing plate 100 located above. A plurality of mounting grooves 101 are respectively provided on the upper surface and the lower surface of the pressing plate 100 around the first space 111 and the second space 112. The mounting grooves 101 on the upper surface and the lower surface of the pressing plate 100 are arranged corresponding to each other. A magnet 200 is installed in each mounting groove 101, and the magnets 200 in the mounting grooves 101 at the corresponding positions of the adjacent surfaces of the two adjacent pressing plates 100 are arranged with opposite polarities attracting each other. A first support portion 107 for abutting against the fixing frame 310 of the product 300 protrudes in the first space 111, and a second support portion 110 for abutting against the screen 320 of the product 300 and corresponding to the first support portion 107 protrudes in the second space 112.

[0032] When the product 300 is placed between two adjacent upper and lower pressing plates 100, under the magnetic attraction of the magnet 200, the two upper and lower pressing plates 100 are mutually attached, and the screen 320 and the fixing frame 310 are respectively abutted by the first support portion 107 located below and the second support portion 110 located above, so that the screen 320 and the fixing frame 310 are mutually attached and pressure holding is performed.

[0033] Please refer to Figure 2 and Figure 5, a positioning post 104 is further protruded in the first space 111, and the positioning post 104 is used to fit the camera hole and / or the flash hole of the screen 320 of the product 300. When the product 300 is placed in the first space 111 and the second space 112, the positioning post 104 passes through the camera hole 321 and / or the flash hole to position the screen.

[0034] Please refer to Figures 1 - 2 、 Figures 4 - 8 , several positioning blocks 102 are protruded on the lower surface of the outer peripheral circle of the pressing plate 100, and several positioning grooves 103 are recessed on the upper surface of the outer peripheral circle of the pressing plate 100 corresponding to the several positioning blocks 102 of the adjacent pressing plate 100. When several pressing plates 100 are stacked together, the positioning blocks 102 of the upper pressing plate 100 are inserted into the positioning grooves 103 of the lower pressing plate 100 to position and fix the two adjacent pressing plates 100 up and down, so as to facilitate the pressure holding of the product 300.

[0035] Please refer to Figure 5 and Figure 7 , a limiting protrusion 108 for abutting against the positioning block 102 is provided on one side wall of the positioning groove 103. When the positioning block 102 is inserted into the positioning groove 103, the limiting protrusion 108 abuts against the inner surface of the positioning block 102 to prevent the two pressing plates 100 stacked up and down from sliding or shifting relative to each other in the front-back and left-right directions. Further, the outer side of the upper end edge of the limiting protrusion 108 is chamfered to guide the positioning block 102 of the upper pressing plate 100 to smoothly slide into the positioning groove 103 of the lower pressing plate 100, thereby avoiding the action of jamming the insertion operation due to a slight deviation in alignment.

[0036] Please refer to Figure 1 、 Figure 2 、 Figure 7 and Figure 10 , a third supporting portion 109 for supporting the screen 320 of the product 300 is provided at the middle position of the first space 111, and the third supporting portion 109 is used to prevent problems such as the center position of the screen 320 sagging due to gravity under the force of the periphery, resulting in a deviation in the fixed position between the fixed frame 310 and the screen 320. More specifically, in this embodiment, the third supporting portion 109 is arranged in a grid shape, which can effectively decompose the downward pressure of the gravity of the screen 320. It should be noted that in this embodiment, the screen 320 is an LCD screen, and the flatness of the screen 320 needs to be ensured to avoid quality problems during assembly.

[0037] Please refer to Figure 3, a fixing portion 105 for fastening the magnet 200 is protruded on the inner side wall of the mounting groove 101. Further, an extension portion 106 for strengthening the fastening of the magnet 200 is further protruded on the fixing portion 105. Through the fixing portion 105 and the extension portion 106, the magnet can be effectively fastened in the mounting groove 101, thereby avoiding the problem that when separating the upper and lower stacked pressing plates 100, the magnet 200 detaches from the mounting groove 101, or when the two pressing plates 100 are stacked, the magnet 200 loosens, resulting in the problem that the two pressing plates 100 are not tightly attached and the pressure holding fails.

[0038] Please refer to Figure 6 and Figure 8 , a wrench portion 113 for stacking or handling the pressing plate 100 is provided at the end of the pressing plate 100 along a diagonal line. In this embodiment, by providing the wrench portion 113, the operation of stacking or separating adjacent pressing plates 100 is very convenient.

[0039] Please refer to Figures 5 - 8 , an anti-fooling portion 114 is provided at one end corner of the pressing plate 100. Through the design of the anti-fooling portion 114, on the one hand, it provides a reference direction for installing the fixing frame 310 and the screen 320, and on the other hand, it provides a reference direction for stacking operations, so that the operation can be faster, thereby greatly improving work efficiency.

[0040] Please refer to Figures 1 - 2 , Figures 4 - 8 , a connecting ring 115 is further provided on the outer peripheral circle of the pressing plate 100, and the stacked pressing plates 100 are further fixed and pressure-held by passing a connecting rod through the connecting ring 115. At the same time, pressure can also be applied to the pressing plate 100 at both ends of the connecting rod to further pressurize and hold the pressure.

[0041] When the utility model is in use,

[0042] Step 1: Take one pressing plate 100 and place it horizontally;

[0043] Step 2: Take the fixing frame 310 and place it in the first space 111 of the pressing plate 100, and the lower surface of the fixing frame 310 abuts against the first supporting portion 107. Then take a piece of the screen 320 and place it above the fixing frame 310 and align it with the fixing frame 310;

[0044] Step 3: Take another pressing plate 100 and cover it on the pressing plate 100 that has assembled the fixing frame 310 and the screen 320. The second supporting portion 110 within the second space 112 of the upper pressing plate 100 abuts against the upper surface of the screen 320, and the two pressing plates 100 are attached to each other through the magnetic attraction of the magnet 200 installed in the installation groove 101 to achieve the pressure maintaining function.

[0045] In this utility model, the fixing frame 310, the screen 320, and another pressing plate 100 can be accurately placed through the anti-fooling portion 114 of the pressing plate 100; it is easier to stack and separate the pressing plates 100 through the wrench portion 113, and the operation is convenient; through the cooperation of the positioning block 102 and the positioning groove 103, the two stacked pressing plates 100 are accurately positioned; through the magnet 200 with opposite polarities arranged on the adjacent surfaces, the two adjacent pressing plates 100 can be attracted together to generate the pressure for maintaining pressure, thereby achieving the pressure maintaining function; N pressing plates 100 can be stacked on each other to simultaneously maintain pressure on N - 1 products 300, greatly improving the working efficiency.

[0046] The stacked pressure maintaining fixture of this utility model not only has a simple structure and convenient operation, but also can simultaneously maintain pressure on multiple products 300 only through the pressing plates 100 of the same model arranged in a stacked manner, improving the working efficiency and saving the cost of manufacturing pressing plates 100 of different models at the same time.

[0047] The above is only the specific implementation manner of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by this utility model can easily think of changes or substitutions, which should all be covered within the protection scope of this utility model. Therefore, the protection scope of this utility model should be subject to the protection scope of the claims.

Claims

1. A stacked pressure-holding fixture, comprising at least two press plates stacked vertically, for clamping a product between two adjacent said press plates for pressure holding, characterized in that, The upper surface of the pressing plate is provided with a first space, and the lower surface of the pressing plate is provided with a second space corresponding to the first space of the adjacent pressing plate. The product is placed in the first space of the pressing plate located below and the second space of the pressing plate located above. A plurality of mounting grooves are respectively arranged around the first space and the second space on the upper surface and the lower surface of the pressing plate. The mounting grooves on the upper surface and the lower surface of the pressing plate are arranged corresponding to each other. A magnet is installed in each mounting groove. The magnets in the mounting grooves at the corresponding positions of the adjacent contact surfaces of the adjacent pressing plates are arranged with opposite polarities attracting each other. A first supporting portion for abutting against the fixing frame of the product protrudes in the first space, and a second supporting portion for abutting against the screen of the product and corresponding to the first supporting portion protrudes in the second space. When the product is placed between the adjacent upper and lower pressing plates, under the magnetic attraction of the magnets, the upper and lower pressing plates are mutually attached, and the screen and the fixing frame are mutually attached and pressure is maintained by the first supporting portion located below and the second supporting portion located above respectively abutting against the screen and the fixing frame.

2. The stacked pressure maintaining fixture according to claim 1, wherein A positioning post further protrudes in the first space, and the positioning post is used to adapt to the camera hole and / or the flash hole of the screen of the product.

3. The stacked pressure-holding fixture according to claim 1, wherein, A plurality of positioning blocks protrude from the lower surface of the outer peripheral circle of the pressing plate, and a plurality of positioning grooves are recessed in the upper surface of the outer peripheral circle of the pressing plate corresponding to the plurality of positioning blocks of the adjacent pressing plate.

4. The stacked pressure maintaining fixture according to claim 3, wherein, A limiting protrusion for abutting against the positioning block is arranged on one side wall of the positioning groove.

5. The stacked pressure-holding fixture according to claim 1, wherein A third supporting portion for supporting the screen of the product is arranged at the middle position of the first space, and the third supporting portion is arranged in a grid shape.

6. The stacked pressure maintaining fixture according to claim 1, wherein, A fixing portion for fastening the magnet protrudes from the inner side wall of the mounting groove.

7. The stacked pressure maintaining fixture according to claim 6, wherein The fixing portion further protrudes an extension portion for strengthening the fastening of the magnet.

8. The stacked pressure maintaining fixture according to claim 1, wherein, A wrench portion for stacking or carrying the pressing plate is arranged at the end of the pressing plate along a diagonal line.

9. The stacked pressure maintaining fixture according to claim 1, wherein, An anti-fooling portion is arranged at one corner of the pressing plate.

10. The stacked pressure-holding fixture according to claim 1, wherein A connecting ring is further arranged on the outer peripheral circle of the pressing plate, and the stacked pressing plates are further fixed and pressure is maintained by passing a connecting rod through the connecting ring.

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