Fixing mechanism suitable for 6-inch and 11-inch polarizing film roll cores

Abstract

The utility model relates to the technical field of polarizing film roll core fixing, and discloses a fixing mechanism suitable for 6i nch and 11i nch polarizing film roll cores, and the mechanism is connected with an equipment shaft head and is communicated with an external gas circuit. During working, an external air path control air valve is opened, and air pressure pushes the piston in the fixing mechanism to move towards the center position of equipment in the axial direction, so that the sliding block on the mechanism expands outwards to do work. After the work is completed, an external gas circuit control gas valve is closed, and the sliding block on the mechanism is reset again under the action of a spring in the mechanism. By means of the sliding block and the first installation base and the second installation base corresponding to the 6i nch roll core and the 11i nch roll core, roll cores of two sizes can be fixed, and the problem that the prior art can only adapt to roll cores of one size and cannot adapt to roll cores of two sizes is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of polarizing film roll core fixing, in particular to a fixing mechanism suitable for 6-inch and 11-inch polarizing film roll cores. Background Art

[0002] Polarizer is the full name of polarizing film, which can control the polarization direction of a specific light beam. When natural light passes through the polarizer, the light whose vibration direction is perpendicular to the transmission axis of the polarizer will be absorbed, and only the polarized light whose vibration direction is parallel to the transmission axis of the polarizer will be transmitted. There are two polarizers in the liquid crystal display module, which are attached to both sides of the glass substrate. The lower polarizer is used to convert the light beam generated by the backlight source into polarized light, and the upper polarizer is used to analyze the polarized light after the liquid crystal is electrically modulated to produce light and dark contrast, thereby producing a display picture. The imaging of the liquid crystal display module must rely on polarized light. Without any polarizer, the liquid crystal display module cannot display an image. In order to realize the automated assembly line production of liquid crystal panels (RTP) to reduce production costs and increase production speed, the production line uses polarizer rolls to directly attach to the liquid crystal glass plate.

[0003] Currently, in the prior art, a device of a specific size is often required to fix the polarizing film core in order to rotate the core and complete the production line process. However, this type of fixing device can only be adapted to cores of one size and cannot be applied to cores of multiple sizes. Utility Model Content

[0004] The purpose of the utility model is to solve the problems existing in the prior art and to propose a fixing mechanism suitable for 6-inch and 11-inch polarizing film roll cores.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A fixing mechanism suitable for 6-inch and 11-inch polarizing film roll cores, comprising a connecting seat, an inflatable seat is installed on one side of the connecting seat, an air path is connected to the inflatable seat, and an air valve is arranged on the air path, a piston is arranged inside the inflatable seat, a connecting column is installed at the center of the piston away from the connecting seat, springs are arranged on both sides of the connecting column, one end of the two springs is connected to the piston, and the other end is connected to the inner wall of the inflatable seat, a first mounting seat is installed on the side of the inflatable seat away from the connecting seat, a second mounting seat is installed on the other side of the first mounting seat, and the outer side size of the second mounting seat is different from that of the first mounting seat, two frustum members of the same shape and size are arranged in sequence on the end of the connecting column away from the piston, the two frustum members are respectively located in the first mounting seat and the second mounting seat, the outer sides of the first mounting seat and the second mounting seat are respectively provided with expansion rings adapted thereto, a slider assembly is arranged on the inner side of the expansion ring, the two slider assemblies are respectively movable through the first mounting seat and the second mounting seat, and respectively abut against the outer sides of the hypotenuse parts of the two frustum members.

[0007] Preferably, the side sections of the second mounting seat and the first mounting seat are both annular, and the outer diameter of the second mounting seat is smaller than the outer diameter of the first mounting seat.

[0008] Preferably, the inflatable seat comprises a left outer shell and a right outer shell, the left outer shell and the right outer shell are detachably connected by bolts, and the left outer shell and the right outer shell are provided with sealing gaskets.

[0009] Preferably, the slider assembly includes a plurality of sliders, the outer sides of the hypotenuse parts of the truncated cone part and the conical part are both against the inner ends of the corresponding sliders, the slider is T-shaped as a whole, and the outer ends of the sliders are arc-shaped.

[0010] Preferably, the expansion ring is made of polyurethane, and limiting grooves are provided at positions of the first mounting seat and the second mounting seat corresponding to the corresponding expansion rings, and the outer side of the expansion ring is flush with the outer side of the limiting groove.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model, by setting up a first mounting seat and a second mounting seat, when in use, after the winding core is placed in the expansion ring, the air valve is opened, and the cavity of the inflatable seat is inflated using an external inflation device. The gas enters the cavity and pushes the piston to move axially, thereby causing the two frustum members to drive the slider to move radially, pushing the corresponding expansion ring to expand outward, and finally the expansion ring tightly supports the winding core, and the winding core can be rotated by an external power device. Compared with the prior art, the present device utilizes two frustum members of the same size and shape and a first mounting seat and a second mounting seat of different sizes, so as to realize the fixation of winding cores of different sizes, thereby solving the problem that the prior art can only be adapted to winding cores of one size, and cannot be applied to winding cores of multiple sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a front cross-sectional view of a fixing mechanism for 6-inch and 11-inch polarizing film roll cores proposed by the utility model;

[0014] Figure 2 This is a side view of a second mounting seat of a fixing mechanism suitable for 6-inch and 11-inch polarizing film roll cores proposed in the present invention.

[0015] In the figure: 1. connecting seat; 2. inflatable seat; 3. air path; 4. air valve; 5. piston; 6. connecting column; 7. spring; 8. first mounting seat; 9. second mounting seat; 10. round table member; 11. expansion ring; 12. slider; 13. limiting groove; 14. left outer shell; 15. right outer shell. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0017] Reference Figure 1 and Figure 2A fixing mechanism suitable for 6-inch and 11-inch polarizing film roll cores, comprising a connecting seat 1, an inflatable seat 2 is installed on one side of the connecting seat 1, an air path 3 is connected to the inflatable seat 2, and an air valve 4 is arranged on the air path 3, a piston 5 is arranged inside the inflatable seat 2, a connecting column 6 is installed at the center of the piston 5 away from the connecting seat 1, springs 7 are arranged on both sides of the connecting column 6, and one end of the two springs 7 is connected to the piston 5, and the other end is connected to the inner wall of the inflatable seat 2, a first mounting seat 8 is installed on the side of the inflatable seat 2 away from the connecting seat 1, and a second mounting seat 9 is installed on the other side of the first mounting seat 8, and the second The outer dimensions of the mounting seat 9 are different from those of the first mounting seat 8. Two frustum members 10 of the same shape and size are sequentially arranged at the end of the connecting column 6 away from the piston 5. The two frustum members 10 are respectively located in the first mounting seat 8 and the second mounting seat 9. The first mounting seat 8 and the second mounting seat 9 both have cavities for the frustum members 10 to move. The outer sides of the first mounting seat 8 and the second mounting seat 9 are respectively provided with expansion rings 11 adapted thereto. A slider 12 assembly is arranged on the inner side of the expansion ring 11. The two slider 12 assemblies are respectively movable through the first mounting seat 8 and the second mounting seat 9, and respectively abut against the outer sides of the hypotenuse parts of the two frustum members 10.

[0018] When the device is in use, for example, the device is suitable for 6-inch cores and 11-inch cores (determined by the size of the first mounting seat 8 and the second mounting seat 9). After placing the core into one of the expansion rings 11, open the air valve 4, and use an external inflation device to inflate the cavity of the inflation seat 2. The gas enters the cavity and pushes the piston 5 to move axially, so that the two truncated table members 10 drive the slider 12 to move radially, pushing the corresponding expansion ring 11 to expand outward. Finally, the expansion ring 11 tightly supports the core. The core can be rotated by connecting the connecting seat 1 through an external power device. After the operation is completed, open the air valve 4 to discharge the gas, the piston 5 is reset by the elastic force of the spring 7, and the expansion ring 11 shrinks back to its original position. Compared with the prior art, the device utilizes two truncated table members 10 of the same size and shape and the first mounting seat 8 and the second mounting seat 9 of different sizes to achieve the fixation of cores of different sizes, thereby solving the problem that the prior art can only be adapted to cores of one size and cannot be adapted to cores of multiple sizes.

[0019] In this embodiment, the side cross-sections of the second mounting seat 9 and the first mounting seat 8 are both ring-shaped, and the outer diameter of the second mounting seat 9 is smaller than the outer diameter of the first mounting seat 8, which is convenient for fixing a small-sized winding core on the second mounting seat 9 and a large-sized winding core on the first mounting seat 8.

[0020] In this embodiment, the inflatable seat 2 includes a left outer shell 14 and a right outer shell 15, and the left outer shell 14 and the right outer shell 15 are detachably connected by bolts, and the left outer shell 14 and the right outer shell 15 are provided with sealing gaskets, which are convenient for separating the left outer shell 14 and the right outer shell 15, and inspecting and maintaining the piston 5 and the spring 7 to prevent the piston 5 from being insufficiently airtight due to long-term use, resulting in the piston 5 being unable to move normally, resulting in the inability to push the round table 10 to move, and the spring 7 being unable to reset the piston 5 due to long-term use.

[0021] In this embodiment, the slider assembly includes a plurality of sliders 12, and the outer sides of the hypotenuse parts of the truncated table member 10 and the conical member 16 are both against the inner ends of the corresponding sliders 12. The sliders 12 are T-shaped as a whole, and the outer ends of the sliders 12 are arc-shaped. When the truncated table member 10 or the conical member 16 moves horizontally, the sliders 12 can exert force on multiple positions on the inner side of the expansion ring 11, thereby fixing the inner side of the winding core and improving the stability of the winding core fixation.

[0022] In this embodiment, the material of the expansion ring 11 is polyurethane, and limiting grooves 13 are provided at the positions of the first mounting seat 8 and the second mounting seat 9 corresponding to the corresponding expansion ring 11. The outer side of the expansion ring 11 is flush with the outer side of the limiting groove 13, which is convenient for limiting the position of the expansion ring 11 and preventing the expansion ring 11 from detaching from the corresponding mounting seat.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A fixing mechanism for 6-inch and 11-inch polarizing film cores. Features: The cam is provided with a plurality of springs, each of which has a plurality of springs that are connected to the piston and a plurality of springs that are connected to the piston.

2. A fixing mechanism for 6-inch and 11-inch polarizing film roll cores according to claim 1, Features: The side sections of the second mounting seat and the first mounting seat are both annular, and the outer diameter of the second mounting seat is smaller than the outer diameter of the first mounting seat.

3. A fixing mechanism for 6-inch and 11-inch polarizing film roll cores according to claim 1, Features: The inflatable seat comprises a left outer shell and a right outer shell, the left outer shell and the right outer shell are detachably connected by bolts, and the left outer shell and the right outer shell are provided with sealing gaskets.

4. A fixing mechanism for 6-inch and 11-inch polarizing film cores according to claim 1, Features: The slider assembly includes a plurality of sliders. The outer sides of the hypotenuse parts of the truncated cone part and the conical part are both against the inner ends of the corresponding sliders. The slider is T-shaped as a whole, and the outer ends of the sliders are arc-shaped.

5. A fixing mechanism for 6-inch and 11-inch polarizing film roll cores according to claim 4, Features: The expansion ring is made of polyurethane. Limiting grooves are provided at positions of the first mounting seat and the second mounting seat corresponding to the corresponding expansion rings. The outer side of the expansion ring is flush with the outer side of the limiting groove.

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