OCA (Optical Clear Adhesive) applicator capable of outputting adhesive at constant speed

Abstract

The utility model relates to the technical field of OCA (Optical Clear Adhesive), and discloses an OCA gluing device capable of discharging glue at a constant speed, which comprises an outer box, a glue roller is rotatably arranged at the rear end of the middle part in the outer box, and transmission rollers are rotatably arranged at the upper end and the lower end of the middle part in the outer box and located at the front end of the glue roller; film sticking rollers are rotationally arranged at the upper end and the lower end of the middle in the outer box and located at the front ends of the transmission rollers, a transmission roller driving mechanism is arranged on the inner wall of one side of the outer box, and a film sticking roller driving mechanism is arranged on the inner wall of the side, away from the transmission roller driving mechanism, of the outer box; the rotating shaft rotates on the inner wall of one side of the outer box, a positioning disc is fixedly arranged on the outer wall of the side, close to the rotating shaft, of the rubber roller, and external threads are arranged on the outer wall of the side, away from the positioning disc, of the rubber roller. According to the device, the constant-speed transmission of the optical cement can be realized, the use of a material receiving mechanism is reduced, the cost is reduced, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of OCA optical glue, in particular to an OCA optical glue applicator capable of dispensing glue at a uniform speed. Background Art

[0002] OCA is a special adhesive used to bond transparent optical components. It is required to be colorless and transparent, with a light transmittance of more than 90%, good bonding strength, and can be cured at room temperature or medium temperature, and has small curing shrinkage. OCA is a special double-sided adhesive with an optically transparent layer without a substrate, and is one of the raw materials for important touch screens.

[0003] When manufacturers make mobile phone touch screens, they often need to use OCA optical glue to protect the mobile phone screen, so an OCA optical glue applicator is needed during production.

[0004] However, most of the existing OCA optical glue applicators that can discharge glue at a uniform speed use a motor to drive the glue roller to rotate, and the front end of the OCA optical glue is pulled and collected by a collection roller, which is inconvenient for users to adhere the OCA optical glue to the mobile phone screen during the OCA optical glue dispensing process. Therefore, those skilled in the art provide an OCA optical glue applicator that can discharge glue at a uniform speed to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the present invention is to solve the shortcomings of the prior art and to propose an OCA optical glue applicator that can discharge glue at a uniform speed. The device can achieve uniform transmission of optical glue, while reducing the use of the material receiving mechanism, reducing its cost, and having high practicality.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] The cam is provided with a plurality of rollers, each of which is provided with a plurality of rollers, each of which is provided with a plurality of rollers, and a plurality of rollers are provided with rollers on the upper and lower ends of the middle part of the outer box and at the front end of the roller. The cam is provided with a plurality of rollers on the upper and lower ends of the middle part of the outer box and at the front end of the roller. The cam is provided with a plurality of rollers on the upper and lower ends of the middle part of the outer box and at the front end of the roller. The cam is provided with a plurality of rollers on the upper and lower ends of the middle part of the outer box and at the front end of the roller. The cam is provided with a plurality of rollers on the upper and lower ends of the middle part of the outer box and at the front end of the roller. The cam is provided with a plurality of rollers on the upper and lower ends of the middle part of the outer box and at the front end of the roller. The cam is provided with a plurality of rollers on the

[0008] Furthermore, the transmission roller drive mechanism includes a motor and two driven bevel gears, the output end of the motor passes through the outer box and is fixedly connected to a rotating rod, the upper and lower ends of the outer wall of the rotating rod are fixedly sleeved with driving bevel gears, the two driving bevel gears are symmetrically arranged, the two driven bevel gears are respectively fixedly connected to one end of the two transmission rollers, and the two driving bevel gears are respectively meshed with the corresponding driven bevel gears;

[0009] Through the above technical solution, the motor drives the rotating rod to rotate the two active bevel gears, thereby driving the transmission roller to rotate through the meshed driven bevel gear.

[0010] Furthermore, the transmission roller driving mechanism further includes a rotating seat, which is fixedly arranged at the lower end of the inner wall of one side of the outer box, and the lower end of the rotating rod extends into the interior of the rotating seat;

[0011] Through the above technical solution, the lower end of the rotating rod is supported and rotated by the rotating seat.

[0012] Furthermore, the mucosal roller driving mechanism includes two driving gears and two driven gears, the two driving gears are respectively fixedly connected to one end of the two transmission rollers, the two driven gears are respectively fixedly connected to one end of the mucosal roller, and the two driving gears are respectively meshed with adjacent driven gears;

[0013] With the above technical solution, the driving gears drive the corresponding driven gears to rotate through the rotation of the transmission roller, thereby causing the two mucosal rollers to rotate synchronously.

[0014] Furthermore, a bearing is fixedly provided on the inner wall of the outer box on one side close to the rotating shaft, and the rotating shaft extends into the interior of the bearing;

[0015] Through the above technical solution, the rotating shaft rotates on the inner wall of the outer box through the bearing, thereby reducing the friction coefficient of the rotating shaft during rotation.

[0016] Furthermore, the inner wall of the mounting plate is provided with an internal thread, and the mounting plate is threadedly connected to the external thread on the rubber roller via the internal thread;

[0017] Through the above technical solution, the installation of the OCA optical adhesive is facilitated by the threaded connection of the installation disk to the external thread of the transmission roller.

[0018] Furthermore, a control panel is fixedly provided on one side of the front end of the outer box, and the control panel is electrically connected to the motor;

[0019] Through the above technical solution, the start of the motor and the speed of the motor are controlled by the control panel.

[0020] The utility model has the following beneficial effects:

[0021] 1. The utility model proposes an OCA optical glue applicator that can discharge glue at a uniform speed. The device transmits the OCA optical glue through the rotation of two transmission rollers. The uniform speed rotation of the transmission rollers realizes the uniform speed transmission of the optical glue. At the same time, compared with the existing technology, the applicator needs a front-end receiving roller to receive the optical glue before it can be transmitted. The device reduces the front-end receiving components through extrusion transmission, which not only reduces costs but also brings great convenience to users.

[0022] 2. The utility model proposes an OCA optical glue applicator that can discharge glue at a uniform speed. The device drives two transmission rollers and two viscose rollers to rotate synchronously through a driving motor, avoiding the need to set a motor on each transmission roller and viscose roller, saving costs and being practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a three-dimensional diagram of an OCA optical adhesive applicator that can dispense adhesive at a uniform speed, as proposed by the present invention;

[0024] Figure 2 This is a cross-sectional view of an OCA optical adhesive applicator capable of dispensing adhesive at a uniform speed, as proposed by the present invention;

[0025] Figure 3 This is a schematic diagram of the transmission roller drive mechanism of an OCA optical adhesive applicator that can dispense adhesive at a uniform speed, as proposed by the present invention;

[0026] Figure 4 This is a schematic diagram of the adhesive film roller driving mechanism of an OCA optical adhesive applicator capable of dispensing adhesive at a uniform speed proposed by the present invention;

[0027] Figure 5 This is a schematic diagram of the structure of the adhesive roller of an OCA optical adhesive applicator that can dispense adhesive at a uniform speed, proposed by the utility model.

[0028] Legend:

[0029] 1. Outer box; 2. Rubber roller; 3. Drive roller; 4. Mucosa roller; 5. Drive roller drive mechanism; 51. Motor; 52. Driven bevel gear; 53. Rotating rod; 54. Driving bevel gear; 55. Rotating seat; 6. Mucosa roller drive mechanism; 61. Driving gear; 62. Driven gear; 7. Rotating shaft; 8. Bearing; 9. Positioning plate; 10. External thread; 11. Mounting plate; 12. Box door; 13. Control panel. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the specific embodiments of the present invention to clearly and completely describe the technical solutions in the specific embodiments of the present invention. Obviously, the specific embodiments described are only part of the specific embodiments of the present invention, not all of the specific embodiments. Based on the specific embodiments of the present invention, all other specific embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] Reference Figure 1-5 The utility model provides a specific embodiment: an OCA optical glue applicator capable of dispensing glue at a uniform speed, comprising an outer box 1, a glue roller 2 is rotatably provided at the rear end of the middle part of the outer box 1, transmission rollers 3 are rotatably provided at the upper and lower ends of the middle part of the outer box 1 and at the front end of the glue roller 2, a mucosa roller 4 is rotatably provided at the upper and lower ends of the middle part of the outer box 1 and at the front end of the transmission roller 3, a transmission roller driving mechanism 5 is provided on the inner wall of one side of the outer box 1, and a mucosa roller driving mechanism is provided on the inner wall of the outer box 1 on the side away from the transmission roller driving mechanism 5 6. A rotating shaft 7 is fixedly provided at one end of the rubber roller 2, and the rotating shaft 7 rotates on the inner wall of one side of the outer box 1. A positioning plate 9 is fixedly provided on the outer wall of the rubber roller 2 close to the rotating shaft 7. An outer wall of the rubber roller 2 away from the positioning plate 9 is provided with an external thread 10. A mounting plate 11 is provided on the outer wall of the rubber roller 2 and located at the threaded sleeve of the external thread 10. An internal thread is provided on the inner wall of the mounting plate 11. The mounting plate 11 is threadedly connected to the external thread 10 on the rubber roller 2 through the internal thread. A box door 12 is hinged on the side wall of the outer box 1 away from the rotating shaft 7 and located at the rubber roller 2.

[0032] The transmission roller driving mechanism 5 includes a motor 51 and two driven bevel gears 52. The output end of the motor 51 passes through the outer box 1 and is fixedly connected to a rotating rod 53. The upper and lower ends of the outer wall of the rotating rod 53 are fixedly sleeved with driving bevel gears 54. The two driving bevel gears 54 are symmetrically arranged. The two driven bevel gears 52 are respectively fixedly connected to one end of the two transmission rollers 3. The two driving bevel gears 54 are respectively meshed with the corresponding driven bevel gears 52. The motor 51 drives the rotating rod 53 to rotate the two driving bevel gears 54, thereby driving the transmission roller 3 to rotate through the meshing driven bevel gears 52.

[0033] The transmission roller driving mechanism 5 further includes a rotating seat 55, which is fixedly arranged at the lower end of the inner wall of one side of the outer box 1. The lower end of the rotating rod 53 extends into the rotating seat 55, and the rotating seat 55 supports the lower end of the rotating rod 53 for rotation.

[0034] The mucosal roller driving mechanism 6 includes two driving gears 61 and two driven gears 62. The two driving gears 61 are respectively fixedly connected to one end of the two transmission rollers 3, and the two driven gears 62 are respectively fixedly connected to one end of the mucosal roller 4. The two driving gears 61 are respectively engaged with the adjacent driven gears 62. Through the rotation of the transmission roller 3, the driving gears 61 respectively drive the corresponding driven gears 62 to rotate, thereby causing the two mucosal rollers 4 to rotate synchronously.

[0035] A bearing 8 is fixedly provided on the inner wall of the outer box 1 near the rotating shaft 7. The rotating shaft 7 extends into the bearing 8. The rotating shaft 7 rotates on the inner wall of the outer box 1 through the bearing 8, thereby reducing the friction coefficient of the rotating shaft 7 during the rotation process.

[0036] The inner wall of the mounting plate 11 is provided with an internal thread, and the mounting plate 11 is threadedly connected to the external thread 10 on the adhesive roller 2 through the internal thread. The mounting plate 11 is threadedly connected to the external thread 10 of the transmission roller 3 to facilitate the installation of the OCA optical adhesive.

[0037] A control panel 13 is fixedly provided on one side of the front end of the outer box 1 . The control panel 13 is electrically connected to the motor 51 . The start of the motor 51 and the speed of the motor 51 are controlled by the control panel 13 .

[0038] Working principle: When the OCA optical glue applicator that can discharge glue at a uniform speed is used, the box door 12 is opened, the mounting disk 11 is rotated to remove it, and then the OCA optical glue is put on the glue roller 2, and then the mounting disk 11 is screwed on the glue roller 2 and the box door 12 is closed. The OCA optical glue passes between the two transmission rollers 3, and the anti-sticking layers on the upper and lower sides of the OCA optical glue are respectively attached to the mucosal roller 4, and the installation of the OCA optical glue is completed. The motor 51 drives the rotating rod 53 to rotate the active bevel gear 54, so that the meshing driven bevel gear 52 drives the two transmission rollers 3 to rotate relative to each other, and the two transmission rollers 3 squeeze and transmit the OCA optical glue. At the same time, the active gear 61 on the other side drives the corresponding driven gear 62 to rotate, so that the mucosal roller 4 collects the anti-sticking layers that fall off on the upper and lower sides of the OCA optical glue, and the motor 51 drives the rotating rod 53 to rotate at a uniform speed to achieve uniform transmission of the OCA optical glue.

[0039] Finally, it should be noted that the above is only a preferred specific implementation method of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned specific implementation methods, those skilled in the art can still modify the technical solutions described in the aforementioned specific implementation methods or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An OCA optical adhesive applicator capable of dispensing adhesive at a uniform speed, comprising an outer box (1), characterized in that: A rubber roller (2) is rotatably provided at the rear end of the middle part of the outer box (1), a transmission roller (3) is rotatably provided at the upper and lower ends of the middle part of the outer box (1) and located at the front end of the rubber roller (2), a mucosa roller (4) is rotatably provided at the upper and lower ends of the middle part of the outer box (1) and located at the front end of the transmission roller (3), a transmission roller driving mechanism (5) is provided on the inner wall of one side of the outer box (1), a mucosa roller driving mechanism (6) is provided on the inner wall of the side of the outer box (1) away from the transmission roller driving mechanism (5), a rotating shaft (7) is fixedly provided at one end of the rubber roller (2), and the rotating shaft (7) is fixed at the outer box ( 1) The inner wall of one side rotates, a positioning plate (9) is fixedly provided on the outer wall of the side of the rubber roller (2) close to the rotating shaft (7), an outer wall of the side of the rubber roller (2) away from the positioning plate (9) is provided with an external thread (10), a mounting plate (11) is threadedly sleeved on the outer wall of the rubber roller (2) and located at the external thread (10), an inner wall of the mounting plate (11) is provided with an internal thread, and the mounting plate (11) is threadedly connected to the external thread (10) on the rubber roller (2) through the internal thread, and a box door (12) is hingedly connected to the side wall of the outer box (1) away from the rotating shaft (7) and located at the rubber roller (2).

2. The OCA optical adhesive applicator capable of dispensing adhesive at a uniform speed according to claim 1, characterized in that: The transmission roller driving mechanism (5) comprises a motor (51) and two driven bevel gears (52). The output end of the motor (51) passes through the outer box (1) and is fixedly connected to a rotating rod (53). The upper and lower ends of the outer wall of the rotating rod (53) are fixedly sleeved with driving bevel gears (54). The two driving bevel gears (54) are symmetrically arranged. The two driven bevel gears (52) are respectively fixedly connected to one end of the two transmission rollers (3). The two driving bevel gears (54) are respectively meshed with the corresponding driven bevel gears (52).

3. The OCA optical adhesive applicator capable of dispensing adhesive at a uniform speed according to claim 2, characterized in that: The transmission roller driving mechanism (5) further comprises a rotating seat (55), wherein the rotating seat (55) is fixedly arranged at the lower end of the inner wall of one side of the outer box (1), and the lower end of the rotating rod (53) extends into the interior of the rotating seat (55).

4. The OCA optical adhesive applicator capable of dispensing adhesive at a uniform speed according to claim 1, characterized in that: The mucosa roller driving mechanism (6) comprises two driving gears (61) and two driven gears (62), wherein the two driving gears (61) are respectively fixedly connected to one end of the two transmission rollers (3), and the two driven gears (62) are respectively fixedly connected to one end of the mucosa roller (4), and the two driving gears (61) are respectively meshed and connected with adjacent driven gears (62).

5. The OCA optical adhesive applicator capable of dispensing adhesive at a uniform speed according to claim 1, characterized in that: A bearing (8) is fixedly provided on the inner wall of the outer box (1) on one side close to the rotating shaft (7), and the rotating shaft (7) extends into the interior of the bearing (8).

6. The OCA optical adhesive applicator capable of dispensing adhesive at a uniform speed according to claim 2, characterized in that: A control panel (13) is fixedly provided on one side of the front end of the outer box (1), and the control panel (13) is electrically connected to the motor (51).

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