Cover plate separating device

Abstract

The utility model relates to the technical field of liquid crystal display screens, in particular to a cover plate separating device which comprises a moving platform, a suction cup is installed on the moving platform, a heating plate used for heating a screen body adsorbed to the suction cup is further installed at the bottom of the suction cup, and the moving platform reciprocates on a sliding rail under the action of a driving mechanism at the bottom of the moving platform. The separation mechanism comprises a transmission shaft and a cutting steel wire which are located at one end of the sliding rail, the transmission shaft is driven by a servo motor, one end of the cutting steel wire is wound on a first pulley at one end of the transmission shaft, the other end of the cutting steel wire is reversely wound on a first pulley at the other end of the transmission shaft, and two sets of second pulleys which are symmetrically arranged are further installed on the two sides of the sliding rail; the cutting steel wire located between the two first pulleys is guided through the second pulley. The requirement for separation of cover plates of different specifications is met, and meanwhile the production cost can be effectively saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of liquid crystal display screens, in particular to a cover plate separating device. BACKGROUND

[0002] At present, in the LCD and OLED panel industry, the screen body and the protective cover plate are generally bonded together by OCA glue. When assembly problems occur and the product needs to be repaired, the product is placed in an ultra-low temperature freezer for a period of time, and then removed manually. The existing removal method requires high removal of the product. When the cover plate frame becomes smaller, the holding area of the handheld area is small, and the removal cannot be performed. In addition, due to freezing and certain bending external force, the screen will be deformed, and the display device is easily damaged.

[0003] Chinese patent CN211565713U discloses a cover plate separating machine; the top of the box body is a machine table panel, a heating plate is fixed above the machine table panel, the heating plate is connected to a heating circuit, and the heating plate has a heating lower die above it. The movable flap is pivotally connected above the machine table panel, and the movable flap has a work station in the middle. The work station has an inner surrounding edge for supporting the module, and the heating lower die is located in the work station. The screen of the mobile phone is supported by the heating lower die, and the module is supported by the work station. When the heating plate is heated, the heating lower die heats the connection position of the screen and the module. Then, the movable flap is turned outward, and the screen and the module can be quickly separated, which is very convenient.

[0004] However, the cover plate separating device in the prior art uses heating on the bottom of the screen body and the cover plate, and then separates the screen body and the cover plate through the movable flap on the top. Such a cover plate separating device can only separate fixed models of liquid crystal display modules. When different modules need to be separated, different movable flaps need to be replaced, which is troublesome and has poor compatibility of the device. Practical new type content

[0005] In order to overcome the problems in the prior art, the present application provides a cover plate separating device.

[0006] The cover plate separating device provided by the present application adopts the following technical scheme:

[0007] A cover plate separating device, comprising a moving platform, a suction cup mounted on the moving platform, wherein a heating plate for heating the screen body adsorbed on the suction cup is further mounted at the bottom of the suction cup, and the moving platform moves back and forth on the slide rail under the action of the bottom driving mechanism of the moving platform; a separating mechanism, the separating mechanism comprises a transmission shaft located at one end of the slide rail and a cutting steel wire, the transmission shaft is driven by a servo motor, one end of the cutting steel wire is wound around a first pulley at one end of the transmission shaft, the other end is wound around a first pulley at the other end of the transmission shaft in the opposite direction, and two sets of second pulleys are symmetrically arranged on both sides of the slide rail. The cutting steel wire located between the two sets of first pulleys is guided by the second pulleys.

[0008] By adopting the technical scheme, the screen body and the cover plate to be separated are adsorbed on the mobile platform by the suction cup, and the suction cup is heated by the heating plate at the bottom of the suction cup through heat conduction of the suction cup, wherein the suction cup is made of a heat-conducting material, and the OCA glue between the screen body and the cover plate is softened by the vacuum adsorption in the suction cup, then the mobile platform is driven to reciprocate on the slide rail by the driving mechanism, and the screen body and the cover plate adsorbed on the mobile platform are highly corresponding to the OCA glue between the screen body and the cover plate by the cutting steel wire in the separating mechanism, so as to separate the screen body and the cover plate. The cutting steel wire in the separating mechanism is driven by the transmission shaft, the servo motor drives the transmission shaft to rotate, and when the transmission shaft rotates, the first pulleys at both ends of the transmission shaft respectively wind and unwind the cutting steel wire, so that the cutting steel wire reciprocates between the screen body and the cover plate, which is more convenient for separating the screen body and the cover plate, and the first pulleys are further guided by the two groups of second pulleys, which can limit the height of the cutting steel wire and avoid the influence of the winding and unwinding position of the first pulleys on the cutting steel wire.

[0009] Preferably, the heating plate of the mobile platform is located on the top platform of the mobile platform, and the platform can be raised and lowered on the mobile platform, and the side of the platform is further provided with an L-shaped guide plate for guiding the platform.

[0010] Preferably, the heating plate is provided with a heating resistor, one end of the heating resistor is connected to an external power source through a connector on the mobile platform, and the heating plate is uniformly provided with fixing holes, and further provided with a temperature controller, and the temperature controller is connected to the connector.

[0011] By adopting the technical scheme, the heating plate and the adsorption plate on the mobile platform are installed on the top platform of the mobile platform, the platform can be raised and lowered on the mobile platform by the action of the lifting mechanism, and the L-shaped guide plate on the side of the platform guides the lifting of the platform from the four top corners of the platform, so that the height of the platform can be adjusted according to the screen body and the cover plate of different specifications and thicknesses, and the demand for corresponding cover plate separation by the cutting steel wire is met. The heating plate is connected to an external power source through a connector on the mobile platform, the connector connects the heating resistor in the fixing hole of the heating plate to heat the heating plate, and the temperature controller installed in the heating plate can feedback the temperature of the heating plate to the connector in real time, stop heating when the temperature reaches the upper limit of the set temperature, and drive heating when the temperature is lower than the lower limit of the set temperature, so as to ensure uniform heating of the heating plate on the screen body and the cover plate.

[0012] Preferably, the driving mechanism comprises a silk sleeve at the bottom of the mobile platform and an adjusting screw rod matched with the silk sleeve, wherein the two ends of the adjusting screw rod are rotatably connected to the bearing seat, and the end of the adjusting screw rod is provided with a driving motor.

[0013] Preferably, the driving motor is provided with a stroke controller.

[0014] By adopting the technical scheme, the driving mechanism drives the adjusting screw rod to rotate forward and reversely by the driving motor, so as to drive the mobile platform to reciprocate by cooperating with the wire sleeve at the bottom of the mobile platform, and the stroke controller of the driving motor is adjusted according to the size of the screen body and the cover plate to be separated, so as to adjust the stroke of the reciprocating movement of the mobile platform.

[0015] Preferably, the first pulley rotates around the axis of the transmission shaft, the axis of the second pulley is longitudinally distributed, and the middle groove of the second pulley is the same height as the cutting steel wire.

[0016] By adopting the technical scheme, the first pulley rotates under the action of the transmission shaft to wind and unwind the cutting steel wire, and the cutting steel wire reciprocates in the OCA glue between the screen body and the cover plate to separate the screen body and the cover plate, the middle groove of the second pulley is the same height as the cutting steel wire, and the cutting steel wire can be stably limited to ensure the quality of separating the screen body and the cover plate by the cutting steel wire.

[0017] Preferably, the cutting steel wire is further provided with a tensioning mechanism, the tensioning mechanism is close to one side of the transmission shaft, and the tensioning mechanism comprises two groups of tensioning wheels staggered above and below the cutting steel wire, wherein the mounting frame of the tensioning wheel is connected to the fixed block on the back plate of the tensioning mechanism through an elastic mechanism.

[0018] Preferably, the back plate on both sides of the mounting frame is provided with a guide plate for guiding the mounting frame, and the end of the guide plate close to the cutting steel wire does not exceed the wheel surface of the tensioning wheel.

[0019] By adopting the technical scheme, the tensioning mechanism installed on the cutting steel wire tensions the cutting steel wire through the two groups of tensioning wheels staggered and separated, and the tensioning wheel abuts against the cutting steel wire and the tensioning wheel installed on the back plate under the action of the elastic mechanism, so that even after long-term use of the cutting steel wire, the cutting steel wire is slightly displaced and deformed due to the load, the cutting steel wire is stretched and elongated as a whole, and the tensioning mechanism can tension the cutting steel wire to ensure the cutting quality of the cutting steel wire.

[0020] In summary, the present application has at least one of the following beneficial technical effects:

[0021] 1. The present application can automatically separate the cover plate and the screen body by reciprocating the mobile platform on the fixed separation mechanism, realize the repair of defective products, save production cost, reduce the damage of screen and components, and can be recycled;

[0022] 2. The present application can meet the demand of separating the cover plate by the fixed separation mechanism through the screen body and the cover plate of different specifications and thicknesses by adjusting the height of the lifting platform on the mobile platform. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a schematic diagram of the overall structure of a cover plate separating device;

[0024] Figure 2 is Figure 1 is an enlarged view of the tensioning mechanism;

[0025] Figure 3 is a schematic diagram of the bottom side structure of a cover plate separating device.

[0026] Reference signs: 1, moving platform; 11, suction cup; 12, heating plate; 121, heating resistor; 122, fixing hole; 123, temperature controller; 13, machine table; 131, L-shaped guide plate; 14, connector; 2, driving mechanism; 21, silk cover; 22, adjusting screw; 23, bearing seat; 24, driving motor; 241, stroke controller; 3, sliding rail; 31, second pulley; 4, separating mechanism; 41, transmission shaft; 411, servo motor; 42, cutting steel wire; 43, first pulley; 5, tensioning mechanism; 51, tensioning wheel; 52, mounting frame; 53, elastic mechanism; 54, back plate; 541, fixed block; 542, guide plate. DETAILED DESCRIPTION

[0027] The following will be described in detail in combination with the accompanying Figures 1-3 The present application is further described in detail.

[0028] The present application discloses a cover plate separating device.

[0029] Reference Figure 1 , Figure 2 and Figure 3The utility model provides a cover plate separating device, including mobile platform 1, install the sucking disc 11 on mobile platform 1, wherein the bottom of sucking disc 11 still installs the heating plate 12 for the heating of screen body that absorbs on sucking disc 11, and mobile platform 1 is reciprocated on slide rail 3 under the action of the bottom drive mechanism 2 of mobile platform 1, separating mechanism 4, separating mechanism 4 includes transmission shaft 41 and cutting steel wire 42 located in one end of slide rail 3, and transmission shaft 41 is driven through servo motor 411, and one end of cutting steel wire 42 is wound on first pulley 43 on one end of transmission shaft 41, and the other end is reversely wound on first pulley 43 on the other end of transmission shaft 41, and two groups of second pulleys 31 are symmetrically arranged on the both sides of slide rail 3, and cutting steel wire 42 between two groups of first pulleys 43 is guided through second pulley 31. Mobile platform 1 is absorbed the screen body and cover plate to be separated through sucking disc 11 and is heated through the heat conduction of heating plate 12 at the bottom of sucking disc 11 to sucking disc 11, wherein sucking disc 11 adopts heat conduction material, and the OCA glue between screen body and cover plate is made soft in the vacuum absorption mode in sucking disc 11, then mobile platform 1 is driven to reciprocate on slide rail 3 under the action of drive mechanism 2, and the screen body and cover plate absorbed on mobile platform 1 correspond with the OCA glue between screen body and cover plate through cutting steel wire 42 in separating mechanism 4, thereby separating screen body and cover plate. Wherein cutting steel wire 42 in separating mechanism 4 is driven through transmission shaft 41, and servo motor 411 drives transmission shaft 41 to rotate, and when transmission shaft 41 rotates, first pulley 43 on both ends thereof respectively rolls and unwinds cutting steel wire 42, realizes the reciprocation of cutting steel wire 42 between screen body and cover plate, more convenient for separating screen body and cover plate, and first pulley 43 is also guided through two groups of second pulleys 31, can limit the height of cutting steel wire 42, avoids cutting steel wire 42 from being influenced by the position of winding and unwinding on first pulley 43.

[0030] Reference Figure 1The heating plate 12 of the moving platform 1 is located on the top machine table 13 of the moving platform 1, the machine table 13 can be raised and lowered on the moving platform 1, and the L-shaped guide plate 131 is further installed on the side of the machine table 13 to guide the machine table 13. The heating resistance 121 is installed in the heating plate 12, one end of the heating resistance 121 is connected to the power supply through the connector 14 on the moving platform 1, the heating plate 12 is uniformly distributed with the fixing hole 122, and the temperature controller 123 is further installed in the heating plate 12, and the temperature controller 123 is connected with the connector 14. The heating plate 12 and the adsorption plate on the moving platform 1 are installed on the top machine table 13 of the moving platform 1, the machine table 13 can be raised and lowered on the moving platform 1 through the action of the lifting mechanism, and the L-shaped guide plate 131 on the side of the machine table 13 guides the lifting of the machine table 13 from the four top corners of the machine table 13, so that the height of the machine table 13 can be adjusted according to the different specifications and thicknesses of the screen body and the cover plate, and the needs of separating the cover plate corresponding to the cutting steel wire 42 are met. The heating plate 12 is connected to the power supply through the connector 14 on the moving platform 1, the connector 14 connects the heating resistance 121 in the fixing hole 122 of the heating plate 12 through the wire to heat the heating plate 12, and the temperature controller 123 installed in the heating plate 12 can feedback the temperature of the heating plate 12 to the connector 14 in real time, stop heating when the temperature reaches the upper limit of the set temperature, and drive heating when the temperature is lower than the lower limit of the set temperature, so as to ensure that the heating plate 12 uniformly heats the screen body and the cover plate.

[0031] Referring to Figure 1 and Figure 3 , the driving mechanism 2 includes a wire sleeve 21 located at the bottom of the moving platform 1 and an adjusting screw rod 22 cooperating with the wire sleeve 21 to drive. The two ends of the adjusting screw rod 22 are rotatably connected to the bearing seat 23, and the end of the adjusting screw rod 22 is provided with a driving motor 24. The driving motor 24 is provided with a stroke controller 241. The driving mechanism 2 drives the adjusting screw rod 22 to rotate forward and reverse through the driving motor 24, so as to cooperate with the wire sleeve 21 at the bottom of the moving platform 1 to drive the moving platform 1 to reciprocate, and adjust the stroke controller 241 of the driving motor 24 according to the size of the screen body and the cover plate to be separated, so as to adjust the stroke of the reciprocating movement of the moving platform 1.

[0032] Referring to Figure 1 , the first pulley 43 rotates around the axis of the transmission shaft 41, the axis of the second pulley 31 is longitudinally distributed, and the middle groove of the second pulley 31 is the same height as the cutting steel wire 42. The first pulley 43 rotates under the action of the transmission shaft 41 to wind and unwind the cutting steel wire 42, so as to realize the reciprocating movement of the cutting steel wire 42 in the OCA glue between the screen body and the cover plate to separate the screen body and the cover plate. The middle groove of the second pulley 31 is the same height as the cutting steel wire 42, which can stably limit the cutting steel wire 42, and ensure the quality of separating the screen body and the cover plate by the cutting steel wire 42.

[0033] Referring to Figure 1 And Figure 2 The cutting wire 42 is also provided with a tensioning mechanism 5, which is arranged close to one side of the transmission shaft 41 and includes two groups of tensioning wheels 51 arranged alternately above and below the cutting wire 42, wherein the mounting frame 52 of the tensioning wheel 51 is connected to the fixed block 541 on the back plate 54 of the tensioning mechanism 5 through the elastic mechanism 53. The back plate 54 on both sides of the mounting frame 52 is provided with a guide plate 542 for guiding the mounting frame 52, and the end of the guide plate 542 close to the cutting wire 42 does not exceed the wheel surface of the tensioning wheel 51. The tensioning mechanism 5 arranged on the cutting wire 42 tensions the cutting wire 42 through the two groups of tensioning wheels 51 arranged alternately and separated, and the tensioning wheel 51 arranged on the back plate 54 is in abutment with the cutting wire 42 under the action of the elastic mechanism 53, so that even if the cutting wire 42 is slightly displaced and deformed due to the load after long-term use, the tensioning mechanism 5 can tension the cutting wire 42 to ensure the cutting quality of the cutting wire 42.

[0034] Working principle: first, the screen body and the cover plate to be separated are adsorbed on the machine table 13 through the suction cup 11, and the heating plate 12 at the bottom of the suction cup 11 heats them, then the height of the machine table 13 is adjusted according to the specifications and thickness of the screen body and the cover plate, so that the position of the OCA glue between the screen body and the cover plate corresponds to the position of the cutting wire 42, then the servo motor 411 is started to drive the transmission shaft 41 to rotate, and the cutting wire 42 drives the cutting wire 42 to reciprocate on the east through the winding and unwinding on the first pulley 43, then the stroke controller 241 in the driving mechanism 2 is adjusted according to the size of the screen body and the cover plate, so that the driving mechanism 2 drives the moving platform 1 to move reciprocally according to the set stroke, and the cutting wire 42 separates the screen body and the cover plate on the moving platform 1 when it moves.

[0035] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A deck separation apparatus, characterized by: The utility model relates to a mobile platform (1) is installed with sucking disc (11), wherein sucking disc (11) bottom is also installed with heating plate (12) for heating the screen body that adsorbs on sucking disc (11), and the mobile platform (1) is driven under the action of the bottom driving mechanism (2) on the slide rail (3) reciprocatingly moves. The utility model relates to a separating mechanism (4) includes transmission shaft (41) and cutting steel wire (42) at one end of slide rail (3), transmission shaft (41) is driven through servo motor (411), and one end of cutting steel wire (42) is wound on first pulley (43) at one end of transmission shaft (41), and the other end is reversely wound on first pulley (43) at the other end of transmission shaft (41), and the both sides of slide rail (3) are also installed with two groups of second pulleys (31) that are symmetrically arranged, and cutting steel wire (42) between two groups of first pulleys (43) is guided through second pulley (31). The heating plate (12) of the utility model is located on the top machine table (13) of the mobile platform (1), the machine table (13) can be raised and lowered on the mobile platform (1), and the side of the machine table (13) is also provided with an L-shaped guide plate (131) for guiding the machine table (13).

2. A deck separating device according to claim 1, characterized in that The heating plate (12) is provided with a heating resistor (121), one end of the heating resistor (121) is connected to an external power supply through a connector (14) on the mobile platform (1), the heating plate (12) is uniformly provided with fixing holes (122), and a temperature controller (123) is further arranged in the heating plate (12), and the temperature controller (123) is connected to the connector (14).

3. A deck separating device according to claim 2, characterised in that: The driving mechanism (2) comprises a silk cover (21) at the bottom of the mobile platform (1) and an adjusting lead screw (22) cooperating with the silk cover (21), wherein the two ends of the adjusting lead screw (22) are rotatably connected to the bearing seat (23), and the end of the adjusting lead screw (22) is provided with a driving motor (24).

4. The cap plate separating device according to claim 1, characterized in that: The driving motor (24) is provided with a stroke controller (241).

5. A deck separating device according to claim 4, wherein: The first pulley (43) rotates around the axis of the transmission shaft (41), the axis of the second pulley (31) is longitudinally arranged, and the height of the groove in the middle of the second pulley (31) is the same as that of the cutting steel wire (42).

6. The cap plate separation device of claim 1, wherein: The cutting steel wire (42) is further provided with a tensioning mechanism (5) close to one side of the transmission shaft (41), which comprises two groups of tensioning wheels (51) arranged alternately above and below the cutting steel wire (42), wherein the back of the mounting bracket (52) of the tensioning wheel (51) is connected to the fixed block (541) on the back plate (54) of the tensioning mechanism (5) through the elastic mechanism (53).

7. The cap plate separating device according to claim 1, characterized in that: The back plate (54) on both sides of the mounting bracket (52) is provided with a guide plate (542) for guiding the mounting bracket (52), and the end of the guide plate (542) close to the cutting steel wire (42) does not exceed the wheel face of the tensioning wheel (51).

8. A deck separating device according to claim 7, characterized in that: ​

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