Attaching equipment

Abstract

The utility model provides attaching equipment, which relates to the technical field of bonding, and is characterized in that a first attaching unit and a second attaching unit are arranged in a face-to-face manner, so that the first attaching unit and the second attaching unit can be attached together or one pair of attaching platforms can be selected for attaching, and when one pair of attaching platforms is selected for attaching, materials on the other side can be changed, so that high-speed attaching and uninterrupted attaching can be realized, and the attaching efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bonding, in particular to a pasting device. BACKGROUND

[0002] In the field of LED liquid crystal panel display manufacturing, the FOB bonding machine is a production equipment for establishing stable mechanical and electrical connection between the printed circuit board (PCB) and the flexible circuit board (FPC). It adopts machine vision alignment, precision motion control and other technologies to realize the electrical and mechanical connection of the PCB and the FPC with fine pitch through anisotropic conductive film (ACF) adhesion under certain heat and pressure conditions. Before the PCB and the FPC are bonded, the PFC is connected with the glass substrate as a whole; during the bonding, the glass substrate and part of the PCB are adsorbed and fixed, and the exposed part of the PCB is corresponded with the vertical direction of the PFC, and the lower pressing head and the upper pressing head cooperate to complete the bonding.

[0003] At present, the demand for large-size glass panels is increasing. When bonding a large-size glass panel, the FPC is first attached to the PCB through ACF, and then the attached PCB and the glass panel are subjected to pressure bonding. Since the size of the PCB increases with the size of the glass panel, the ACF attachment area also increases, and according to the process requirements, there may be a possibility of ACF attachment in multiple sections.

[0004] However, at present, for the case of large ACF attachment area, it is impossible to achieve high-speed ACF attachment and uninterrupted ACF attachment. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides a pasting device to solve the problem of high-speed ACF attachment and uninterrupted ACF attachment in the prior art.

[0006] To solve the above problems, the utility model adopts the technical scheme of:

[0007] The utility model provides a pasting device, which comprises a support, a first pasting unit and a second pasting unit for pasting ACF are arranged on the support, and a pasting platform for carrying a PCB is arranged on the support, the pasting platform is located below the first pasting unit and the second pasting unit, and the first pasting unit and the second pasting unit can perform the pasting ACF action alternatively or simultaneously.

[0008] Further, the first pasting unit comprises a pressing head assembly, the pressing head assembly comprises a pressing head body, the pressing head body comprises a protection area, the protection area comprises a silica gel sheath wrapped at the bottom of the pressing head body and an elastic sheet, the upper end of the elastic sheet is fixed to the pressing head body, and the lower end of the elastic sheet presses the silica gel sheath.

[0009] Further, the both sides of the pressure head body are fixed with limit blocks which contact the pressure head body and the silica gel sheath; a heat conducting pressure head seat is fixed above the pressure head body, and pressure head limit blocks are arranged on the both sides of the pressure head seat, which contact the pressure head seat and the pressure head body; and a heat insulation plate is arranged above the pressure head seat.

[0010] Further, a first horizontal adjusting piece is arranged above the heat insulation plate, a groove is arranged in the middle of the first horizontal adjusting piece, a horizontal adjusting block is arranged in the groove, a first central shaft is embedded in the center of the horizontal adjusting block, the horizontal adjusting block is fixedly connected with the front of the first horizontal adjusting piece through a first screw, and a plurality of first jackscrews are arranged around the horizontal adjusting block; an adjusting block is arranged in front of the first horizontal adjusting piece and is fixed on the first horizontal adjusting piece and the pressure head seat.

[0011] Further, a second horizontal adjusting piece is arranged above the first horizontal adjusting piece, third horizontal adjusting pieces are arranged on the left side and the right side of the second horizontal adjusting piece, the second horizontal adjusting piece and the third horizontal adjusting pieces pass through a second central shaft from the horizontal center, second screws are arranged above and below the second central shaft, and a plurality of second jackscrews are arranged on the second horizontal adjusting piece.

[0012] Further, a tray assembly for mounting an ACF tray is arranged above the pressure head assembly, and the tray assembly and the pressure head assembly are connected through a conveying assembly to convey the ACF.

[0013] Further, the tray assembly comprises a glue tray, a rotating shaft is arranged in the center of the glue tray and is connected with a motor, a rotating plate is further fixed on the rotating shaft, one side of the rotating plate is adjacent to the conveying assembly, and a gravity block is fixed on the other side of the rotating plate; a sensing piece and a limiting piece are arranged on the side of the tray rack which is adjacent to the gravity block on the rotating plate; a sensing sheet is further fixed on the rotating plate, the sensing piece comprises an upper sensing piece and a lower sensing piece, and the rotating plate drives the sensing sheet to move between the upper sensing piece and the lower sensing piece.

[0014] Further, the conveying assembly comprises a plurality of ACF winding wheels, the rotating plate comprises a plurality of adjusting holes, and at least one ACF winding wheel is fixed on the adjusting hole.

[0015] Compared with the prior art, the pressure head assembly has the following beneficial effects:

[0016] The utility model provides a kind of attaching equipment and attaching detection method, by face to face setting first attaching unit and second attaching unit, can be commonly attached or select one to the attaching platform and carry out attaching action, select one to attach, the other side carries out ACF material replacement, alternate operation can realize high-speed attachment and uninterrupted attachment, improve attaching efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme presented by the utility model, the following will be described in detail in conjunction with embodiments and drawings, it should be understood that the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can change these drawings under the concept of the utility model.

[0018] Figure 1 The embodiment of the attaching equipment provided by the utility model is shown in the figure;

[0019] Figure 2 The embodiment of the first attaching unit provided by the utility model is shown in the figure;

[0020] Figure 3 The embodiment of the tray assembly provided by the utility model is shown in the figure;

[0021] Figure 4 The partial enlarged stereogram of the pressure head assembly provided by the utility model is shown in the figure;

[0022] Figure 5 Another perspective partial enlarged stereogram of the pressure head assembly provided by the utility model is shown in the figure.

[0023] 1, support; 2, first attaching unit; 21, tray assembly; 211, motor; 212, glue disc; 213, rotating shaft; 214, gravity block; 215, rotating plate; 2151, adjusting hole; 216, upper inductive piece; 217, lower inductive piece; 218, inductive sheet; 219, upper limiting piece; 22, conveying assembly; 221, first ACF winding wheel; 222, second ACF winding wheel; 23, pressure head assembly; 230, adjusting block; 231, pressure head body; 232, silica gel sheath; 233, elastic sheet; 234, limiting stopper; 235, pressure head seat; 236, pressure head limiting block; 237, heat insulation plate; 238, first horizontal adjusting piece; 2381, first jackscrew; 2382, horizontal adjusting block; 2383, first center shaft; 2384, first screw; 239, second horizontal adjusting piece; 2391, third horizontal adjusting piece; 2392, second center shaft; 2393, second screw; 2394, second jackscrew; 3, second attaching unit; 4, attaching platform; 5, first detection unit; 6, second detection unit. DETAILED DESCRIPTION

[0024] Please seeFigure 1 In the embodiment, the utility model provides a kind of attaching equipment, including support 1, support 1 is equipped with the first attachment unit 2 and second attachment unit 3 for attaching ACF, first attachment unit 2 and second attachment unit 3 are face to face with each other, first attachment unit 2 and second attachment unit 3 below are equipped with the attachment platform 4 for carrying PCB, first attachment unit 2 and second attachment unit 3 are attached to the attachment platform 4 together, according to the attachment demand, first attachment unit 2 and second attachment unit 3 are attached simultaneously, improve attachment efficiency, of course, first attachment unit 2, second attachment unit 3 can be selected alternatively or alternately attached, for example, in the case where not interrupting attachment, one of first attachment unit 2 or second attachment unit 3 can be carried out to change material or maintenance action, and the other carries out ACF attachment, to realize high-speed attachment and uninterrupted attachment, improve attachment efficiency.Support 1 is also equipped with first detection unit 5 and second detection unit 6, first detection unit 5 and second detection unit 6 are equipped between first attachment unit 2 and second attachment unit 3, first detection unit 5 carries out image acquisition to the PCB after first attachment unit 2 attaching ACF on attachment platform 4, second detection unit 6 carries out image acquisition to the PCB after second attachment unit 3 attaching ACF on attachment platform 4, by the hardware structure design of first detection unit 5 and second detection unit 6, it is beneficial to the image information acquired by controller through two to carry out analysis processing;Specific analysis processing method and control program are prior art, not belong to the protection scope of the present application, here will not be repeated.It needs to be explained that, first detection unit 5 and second detection unit 6 all include camera, light source and other image acquisition devices used in prior art, here will not be repeated.

[0025] Please see Figure 2 、 Figure 4 In the embodiment, first attachment unit 2 includes pressure head assembly 23, material disc assembly 21 for installing ACF material disc is equipped above pressure head assembly 23, ACF is transferred between material disc assembly 21 and pressure head assembly 23 through conveying assembly 22;Pressure head assembly 23 is equipped above attachment platform 4, pressure head assembly 23 includes pressure head assembly 231, when ACF is transferred to the above product through conveying assembly 22, pressure head assembly 231 carries out down pressure action, and ACF is attached to PCB, in order to prevent the product from being damaged by the direct contact of pressure head or excessive pressure and temperature when pressure head assembly 231 down pressure, protection zone is equipped on the contact surface of pressure head assembly 231 and product, and the protection zone includes silicone sheath 232 wrapped in the bottom of pressure head assembly 231 and elastic sheet 233, when pressure head assembly 231 down pressure, silicone sheath 232 plays the role of buffer, prevents impact force from affecting product, and the upper end of elastic sheet 233 is fixed with pressure head assembly 231, and the lower end of elastic sheet 233 presses silicone sheath 232, to prevent silicone sheath 232 from falling off.

[0026] Please see Figure 5 In this embodiment, in order to prevent the silicone sheath 232 from being displaced in the transverse direction, the two sides of the pressure head assembly 231 are fixed with limiting blocks 234, which simultaneously contact the pressure head assembly 231 and the silicone sheath 232. The pressure head assembly 231 is fixed with a heat-conducting pressure head seat 235 above, and the pressure head assembly 231 is clamped into the pressure head seat 235. In order to prevent the pressure head assembly 231 from being displaced in the transverse direction with the pressure head seat 235, the pressure head seat 235 is provided with pressure head limiting blocks 236 on both sides, which simultaneously contact the pressure head seat 235 and the pressure head assembly 231. A plurality of heating pipes are embedded in the pressure head seat 235 to ensure that the pressure head assembly 231 reaches the required temperature for adhesion. A heat insulation plate 237 is provided above the pressure head seat 235 to prevent the heat of the pressure head seat 235 from being transmitted upward to other components, damaging the components and shortening their service life. In order to facilitate the adjustment of the horizontal degree of the pressure head in the transverse and longitudinal directions, a first horizontal adjusting member 238 is provided above the heat insulation plate 237. A groove is provided in the middle of the first horizontal adjusting member 238, and a horizontal adjusting block 2382 is provided in the groove. A central shaft is embedded in the center of the horizontal adjusting block 2382, and the periphery of the horizontal adjusting block 2382 is fixedly connected with the first horizontal adjusting member 238 through a first jackscrew 2381. The front of the horizontal adjusting block 2382 is fixedly connected with the front of the first horizontal adjusting member 238 through a first screw 2384. When adjusting the horizontal degree in the transverse direction, the first screw 2384 is loosened first, the first central shaft 2383 is the center of rotation, and the first jackscrew 2381 is swung left and right in the transverse direction, so as to adjust the horizontal position in the transverse direction. After the adjustment is completed, the first screw 2384 is locked. An adjusting block 230 is provided in front of the first horizontal adjusting member 238, which is fixed on the first horizontal adjusting member 238 and the pressure head seat 235 to tightly fix the first horizontal adjusting block and the pressure head seat 235, preventing displacement. Of course, when adjusting through the first jackscrew 2381, the adjusting block 230 also needs to be disassembled. A second horizontal adjusting member 239 is provided above the first horizontal adjusting member 238, and a third horizontal adjusting member 2391 is also provided on both sides of the second horizontal adjusting member 239. A second central shaft 2392 passes through the second horizontal adjusting member 239 and the third horizontal adjusting member 2391 in turn along the horizontal transverse direction. The second central shaft 2392 is also fixed with a second screw 2393 above and below. The second horizontal adjusting member 239 is fixedly connected with the horizontal adjusting block 2382, and the second horizontal adjusting member 239 is provided with a plurality of second jackscrews. When adjusting the horizontal degree in the longitudinal direction, the second screw 2393 is loosened, the second central shaft 2392 is the center, and the second jackscrew 2394 is adjusted. After the adjustment is completed, the second screw 2393 is locked, and the horizontal adjustment of the pressure head assembly 231 in the transverse and longitudinal directions can be quickly and conveniently adjusted.

[0027] Please see Figure 3In the embodiment, the tray assembly 21 comprises a glue disc 212 on which ACF is wound, the glue disc 212 is provided with a rotating shaft 213 connected with a motor 211, the rotating shaft 213 is further provided with a rotating plate 215, one side of the rotating plate 215 is connected with the conveying assembly 22, and the other side of the rotating plate 215 is provided with a gravity block 214. The conveying assembly 22 comprises a first ACF winding wheel 221 and a second ACF winding wheel 222, the rotating plate 215 comprises a plurality of adjusting holes 2151, the first ACF winding wheel 221 can be fixed in the adjusting holes 2151 according to different specifications and requirements of the ACF, the ACF is released from the glue disc 212 and sequentially winds around the first ACF winding wheel 221 and the plurality of second ACF winding wheels 222, the first ACF winding wheel 221 is installed in different adjusting holes 2151, so that the ACF winds around the first ACF winding wheel 221 and the second ACF winding wheel 222 to form a vertical or a certain angle, so as to adjust according to different ACF films, so that the ACF is always in a tension state. The tray assembly 21 is provided with a sensing piece and a limiting piece on the side of the gravity block 214 close to the rotating plate 215, the rotating plate 215 is further provided with a sensing sheet 218, the sensing piece comprises an upper sensing piece 216 and a lower sensing piece 217, and the rotating plate 215 drives the sensing sheet 218 to move between the upper sensing piece 216 and the lower sensing piece 217; the gravity block 214 always gives the rotating plate 215 downward gravity, forms a lever principle, and the gravity of the gravity block 214 can be adjusted according to the specifications of the ACF; when the tension of the ACF is too large, a larger component force will act on the winding wheel 221 installed on the rotating plate 215, thereby driving the rotating plate 215 to rotate clockwise, the sensing sheet 218 of the rotating plate 215 triggers the upper sensing piece 216, the motor 211 starts to start, the glue disc 212 releases the ACF, and the tension of the ACF is adjusted, so that the ACF with appropriate tension passes through the conveying assembly 22 and is conveyed to the lower side of the pressing head assembly 231; conversely, when the lower sensing piece 217 senses the sensing sheet 218, the system can determine that the ACF on the glue disc 212 is used up and needs to be replenished through the appropriate position setting of the lower sensing piece 217, the sensing for judging whether the glue disc 212 is used up; the limiting piece comprises an upper limiting piece 219 and a lower limiting piece, the upper limiting piece 219 and the lower limiting piece are respectively arranged on the two sides of the rotating plate 215, so as to prevent the rotating plate 215 from exceeding the sensing range of the upper sensing piece 216 and the lower sensing piece 217, and play a hard limiting role. The upper sensing piece 216 and the lower sensing piece 217 can adopt proximity switches, the sensing sheet 218 is triggered, and then a control signal is provided to the controller (PLC), so as to realize the above-mentioned actions; it should be noted that the control software and program code of the controller are prior art, the present application only uses them to realize the above-mentioned actions, and there is no improvement, which will not be described here.

[0028] In the above embodiments, the description of each embodiment is focused on, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0029] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0030] In the above, the specific embodiments of the present application are described, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An attaching apparatus characterized by comprising: The bracket is provided with a first attaching unit, a second attaching unit for attaching ACF and an attaching platform for carrying a PCB, the attaching platform is located below the first attaching unit and the second attaching unit, and the first attaching unit and the second attaching unit alternatively or simultaneously perform the attaching ACF action.

2. The apparatus of claim 1, wherein The first attaching unit comprises a pressure head assembly, the pressure head assembly comprises a pressure head body, the pressure head body comprises a protection area, the protection area comprises a silica gel sheath wrapped at the bottom of the pressure head body and an elastic sheet, the upper end of the elastic sheet is fixed to the pressure head body, and the lower end of the elastic sheet presses the silica gel sheath.

3. The application device of claim 2, wherein, The pressure head body is fixed with a limiting block on both sides, the limiting block simultaneously contacts the pressure head body and the silica gel sheath, a pressure head seat for conducting heat is fixed above the pressure head body, pressure head limiting blocks are arranged on both sides of the pressure head seat, the pressure head limiting blocks simultaneously contact the pressure head seat and the pressure head body, and a heat insulation plate is arranged above the pressure head seat.

4. The application device of claim 3, wherein A first horizontal adjusting piece is arranged above the heat insulation plate, a groove is arranged in the middle of the first horizontal adjusting piece, a horizontal adjusting block is arranged in the groove, a first central shaft is embedded in the center of the horizontal adjusting block, the horizontal adjusting block is fixedly connected to the front of the first horizontal adjusting piece through a first screw, and a plurality of first jackscrews are arranged around the horizontal adjusting block.

5. The application device of claim 4, wherein, An adjusting block is arranged in front of the first horizontal adjusting piece, and the adjusting block is fixed to the first horizontal adjusting piece and the pressure head seat.

6. The application device of claim 2, wherein, A second horizontal adjusting piece is arranged above the first horizontal adjusting piece, third horizontal adjusting pieces are arranged on the left side and the right side of the second horizontal adjusting piece, the second horizontal adjusting piece and the third horizontal adjusting pieces pass through a second central shaft from the horizontal center, second jackscrews are arranged above and below the second central shaft, and a plurality of second jackscrews are arranged on the second horizontal adjusting piece.

7. The application apparatus of claim 6, wherein, A material disc assembly for mounting an ACF material disc is arranged above the pressure head assembly, and the material disc assembly and the pressure head assembly are connected through a conveying assembly to convey the ACF.

8. The application device of claim 7, wherein, The material disc assembly comprises a glue disc, a rotating shaft is arranged in the center of the glue disc, the rotating shaft is connected to a motor, a rotating plate is further fixed to the rotating shaft, one side of the rotating plate is adjacent to the conveying assembly, and a gravity block is fixed to the other side of the rotating plate; a sensing piece and a limiting piece are arranged on a material rack of the material disc assembly and are adjacent to the side where the gravity block on the rotating plate is located; a sensing sheet is further fixed to the rotating plate, the sensing piece comprises an upper sensing piece and a lower sensing piece, and the rotating plate drives the sensing sheet to move between the upper sensing piece and the lower sensing piece. The conveying assembly comprises a plurality of ACF winding wheels, the rotating plate comprises a plurality of adjusting holes, and at least one ACF winding wheel is fixed to the adjusting hole.

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