CN216550114U

CN216550114U - Be applied to carry over pinch rolls of production display support plate glass

Info

Publication number: CN216550114U
Application number: CN202122950767.9U
Authority: CN
Inventors: 张云晓; 王光祥; 杨振邦; 任亚辉; 贺盼旬
Original assignee: Qingdao Fusion Photoelectric Technology Co Ltd
Current assignee: Qingdao Fusion Photoelectric Technology Co Ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-17
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses a traction roller applied to producing display carrier plate glass, which belongs to the technical field of display glass production devices and comprises a traction roller body, wherein the traction roller body comprises a traction roller mandrel, a hollow traction roller mandrel inner cavity is arranged inside the traction roller mandrel, a cooling medium is introduced into the traction roller mandrel inner cavity, threaded connectors are respectively arranged on the left side and the right side of the outer part of the traction roller mandrel, and the threaded connectors are connected with a cooling medium introducing and discharging device. The inside cavity design that is of carrying roller dabber can take away the carrying roller part heat that will be in work under the high temperature operating mode through utilizing different media such as compressed air and cooling water, reduces carrying roller self temperature, prevents that the carrying roller from taking place to warp to effectively avoid because carrying roller warp the quality that influences display support plate glass and frequently change the carrying roller. The problems in the prior art are solved.

Description

Be applied to carry over pinch rolls of production display support plate glass

Technical Field

The utility model relates to a traction roller applied to producing display carrier plate glass, and belongs to the technical field of display glass production devices.

Background

The drawing roller is one of key parts for producing the display carrier plate glass, and the thickness of the display carrier plate glass can reach the required thickness by controlling the drawing speed of the drawing roller to the display carrier plate glass. Because the production of the display glass needs a high-temperature environment, the drawing roller which works under the high-temperature working condition for a long time is easy to deform. The deformation can cause the radial speeds of different parts of the traction roller to be inconsistent, so that the quality of micro cracks, thickness difference and the like on the surface of the glass of the display carrier plate is influenced, and in extreme cases, even the risk of plate breakage can occur. In order to maintain normal production of a production line, the conventional method can only be realized by frequently replacing the traction roller, the production efficiency of the production line is reduced, and the product cost is increased.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a traction roller applied to the production of display carrier plate glass, which solves the problems in the prior art.

The utility model relates to a traction roller applied to producing display support plate glass, which comprises a traction roller body, wherein the traction roller body comprises a traction roller mandrel, a hollow traction roller mandrel inner cavity is arranged inside the traction roller mandrel, a cooling medium is introduced into the traction roller mandrel inner cavity, the left side and the right side of the outer part of the traction roller mandrel are respectively provided with a threaded interface, and the threaded interfaces are connected with a cooling medium introducing and leading-out device.

Furthermore, the cooling medium is cooling gas, the cooling medium leading-in and leading-out device comprises a first rotary joint, the threaded joint comprises a first left end threaded joint and a first right end threaded joint, one end of the first rotary joint is connected with the first left end threaded joint, the other end of the first rotary joint is connected with an air guide pipe, a plug is arranged at the first right end threaded joint, and exhaust holes are axially distributed in the outer side of the first right end threaded joint.

When the compressed air is used as a medium for absorbing heat, the air pipe is connected to a threaded interface at one end of the traction roller through the rotary joint, the threaded interface at the other end is blocked by the plug, the compressed air enters the inner cavity of the mandrel of the traction roller along the air pipe and takes away part of heat, and then the compressed air with heat is discharged along the exhaust holes which are uniformly distributed in the axial direction, so that the traction roller is prevented from deforming, and the exhaust holes are used for discharging the hot air instead of discharging the threaded interface at the other end, so that the direct blowing of the hot air is avoided.

Furthermore, the cooling medium is cooling water, the cooling medium leading-in and leading-out device comprises a left end rotary joint II and a right end rotary joint II, the threaded joint comprises a left end threaded joint II and a right end threaded joint II, the left end threaded joint II is connected to one end of the left end rotary joint II, the other end of the left end rotary joint II is connected with the cooling water inlet pipe, the right end threaded joint II is connected to one end of the right end rotary joint II, and the other end of the right end rotary joint II is connected with the cooling water return pipe.

When the cooling water is used as a medium for absorbing heat, the cooling water pipe is respectively linked to the threaded connectors at the two ends of the traction roller through the rotary joint, one end of the traction roller is subjected to sealing treatment along the exhaust holes which are uniformly distributed in the axial direction, the cooling water enters the inner cavity of the mandrel of the traction roller along the water pipe at one end, the partial heat of the traction roller is taken away, and then the cooling water is discharged from the water pipe at the other end to form a cooling water circulation loop so as to prevent the traction roller from deforming.

Furthermore, a heat-resistant fiber coating layer is arranged outside the core shaft of the traction roller.

Further, the heat-resistant fiber coating layer is made of asbestos or ceramic.

Furthermore, the number of the exhaust holes is 3-10.

Further, the air duct is made of stainless steel or PE material, and the plug is made of heat-resistant steel

Furthermore, the cooling water inlet pipe and the cooling water return pipe are made of stainless steel or heat-resistant steel.

Compared with the prior art, the utility model has the following beneficial effects:

according to the traction roller for producing the display support plate glass, the hollow design is adopted in the core shaft of the traction roller, the heat of the traction roller which works under a high-temperature working condition can be taken away by utilizing different media such as compressed air, cooling water and the like, the temperature of the traction roller is reduced, the deformation of the traction roller is prevented, and therefore the influence on the quality of the display support plate glass due to the deformation of the traction roller is effectively avoided, and the traction roller is replaced frequently. The problems in the prior art are solved.

Drawings

FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view of example 1 of the present invention;

FIG. 3 is a schematic structural view of example 2 of the present invention;

in the figure: 1. a heat-resistant fiber coating; 2. a traction roller mandrel; 3. a threaded interface; 4. the inner cavity of the core shaft of the traction roller; 101. a first rotary joint; 102. an air duct; 103. a plug; 104. a left end threaded interface I; 105. a right end threaded interface I; 106. An exhaust hole; 201. a cooling water inlet pipe; 202. a cooling water return pipe; 203. a left end threaded interface II; 204. a second right-end threaded interface; 205. a second rotary joint at the left end; 206. and a second right-end rotary joint.

Detailed Description

The utility model is further illustrated by the following figures and examples:

example 1:

as shown in fig. 1-2, the pulling roll for producing display support plate glass according to the present invention comprises a pulling roll body, wherein the pulling roll body comprises a pulling roll mandrel 2, a hollow pulling roll mandrel inner cavity 4 is arranged inside the pulling roll mandrel 2, a cooling medium is introduced into the pulling roll mandrel inner cavity 4, threaded connectors 3 are respectively arranged on the left side and the right side of the outside of the pulling roll mandrel 2, and the threaded connectors 3 are connected with a cooling medium introduction and derivation device.

The cooling medium is cooling gas, the cooling medium leading-in and leading-out device comprises a first rotary joint 101, the threaded joint 3 comprises a first left end threaded joint 104 and a first right end threaded joint 105, one end of the first rotary joint 101 is connected with the first left end threaded joint 104, the other end of the first rotary joint 101 is connected with the gas guide pipe 102, a plug 103 is arranged at the position of the first right end threaded joint 105, and exhaust holes 106 are distributed in the outer side of the first right end threaded joint 105 along the axial direction.

The exterior of the traction roller mandrel 2 is provided with a heat-resistant fiber coating layer 1.

The heat-resistant fiber coating layer 1 is made of asbestos or ceramic.

The number of the exhaust holes 106 is 3-10.

The gas-guide tube 102 is made of stainless steel or PE material, and the plug 103 is made of heat-resistant steel.

The working principle of the embodiment is as follows: when compressed air is used as a cooling medium, the effect is proved to be best at 0.5MPa and the flow rate is 10-15 m/s, a first rotating connector 101 is screwed into a first threaded connector 104 at the left end of the drawing roller mandrel 2 in advance, and a plug 103 is screwed into a first threaded connector 105 at the right end of the drawing roller mandrel 2. After the preparation work is finished, the air guide pipe 102 is inserted into the first rotary joint 101, the compressed air valve is opened at the moment, the flow rate of compressed air is adjusted to a required value, the compressed air enters the inner cavity 4 of the core shaft of the traction roller through the first rotary joint 101 along the air guide pipe 102, the compressed air is filled in the inner cavity 4 of the core shaft of the traction roller, partial heat of the traction roller is taken away, and the compressed air is exhausted through the exhaust hole 106, so that the working temperature of the traction roller is reduced, and the phenomenon that the quality of a product is influenced due to deformation of the traction roller is prevented.

Example 2

On the basis of embodiment 1, the cooling medium is cooling water, the leading-in and leading-out device of the cooling medium comprises two left-end rotary joints 205 and two right-end rotary joints 206, the threaded interface 3 comprises two left-end threaded interfaces 203 and two right-end threaded interfaces 204, wherein one end of the two left-end rotary joints 205 is connected with the two left-end threaded interfaces 203, the other end of the two left-end rotary joints is connected with a cooling water inlet pipe 201, one end of the two right-end rotary joints 206 is connected with the two right-end threaded interfaces 204, and the other end of the two right-end rotary joints is connected with a cooling water return pipe 202.

The cooling water inlet pipe 201 and the cooling water return pipe 202 are made of stainless steel or heat-resistant steel.

The working principle of the embodiment is as follows: when cooling water is used as a cooling medium, the temperature of the cooling water is 30-38 ℃ and the flow rate is 1.2-2.5 m/s, so that the best effect is achieved. In advance, the second left-end rotary joint 205 and the second right-end rotary joint 206 are screwed into the second left-end threaded joint 203 and the second right-end threaded joint 204 of the pull roll mandrel 2, the cooling water inlet pipe 201 is inserted into the second left-end rotary joint 205, and the cooling water return pipe 202 is inserted into the second right-end rotary joint 206. At the moment, the cooling water valve is opened, the flow rate of the cooling water is adjusted to a required value, the cooling water enters the inner cavity 4 of the core shaft of the traction roller through the second left-end rotary joint 205 along the cooling water inlet pipe 201, partial heat of the traction roller is taken away after the inner cavity 4 of the core shaft of the traction roller is filled with the cooling water, and the cooling water is discharged along the cooling water return pipe 202 through the rotary joint 206 at the right end, so that the working temperature of the traction roller is reduced, and the traction roller is prevented from deforming to influence the product quality.

The drawing roll for producing the display support plate glass is characterized in that the drawing roll core shaft is hollow, the drawing roll core shaft can take away heat of the drawing roll working under a high-temperature working condition by using different media such as compressed air, cooling water and the like, the temperature of the drawing roll is reduced, the drawing roll is prevented from deforming, and therefore the influence on the quality of the display support plate glass caused by the deformation of the drawing roll is effectively avoided, and the drawing roll is replaced frequently. The problems in the prior art are solved. The present invention is not limited to the embodiments described, but rather, variations, modifications, substitutions and alterations are possible without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a be applied to carry over pinch rolls of production display support plate glass, includes the carry over pinch rolls body, its characterized in that: the carry over pinch rolls body including pulling roller dabber (2), the inside of pulling roller dabber (2) is equipped with hollow formula pulls roller dabber inner chamber (4), is used for letting in cooling medium in carry over pinch rolls dabber inner chamber (4), the outside left and right sides of pulling roller dabber (2) is equipped with hickey (3) respectively, hickey (3) department is connected with leading-in and the derivation device of cooling medium.

2. The pulling roll for producing display carrier glass according to claim 1, wherein: the cooling medium be cooling gas, the leading-in and the derivation device of cooling medium include rotary joint (101), threaded interface (3) include left end screw thread interface (104) and right-hand member screw thread interface (105), left end screw thread interface (104) is connected to the one end of rotary joint (101), the other end of rotary joint (101) is connected with air duct (102), right-hand member screw thread interface (105) department is equipped with end cap (103), and the outside of right-hand member screw thread interface (105) has exhaust hole (106) along axial distribution.

3. The pulling roll for producing display carrier glass according to claim 1, wherein: the cooling medium be the cooling water, the leading-in and the derivation device of cooling medium include left end rotary joint two (205) and right-hand member rotary joint two (206), threaded interface (3) are including left end screwed interface two (203) and right-hand member screwed interface two (204), wherein left end screwed interface two (203) are connected to left end rotary joint two (205) one end, the other end is connected with cooling water inlet tube (201), right-hand member screwed interface two (204) are connected to the one end of right-hand member rotary joint two (206), the other end is connected with cooling water return pipe (202).

4. The pulling roll for producing display carrier glass according to claim 1, wherein: and a heat-resistant fiber coating layer (1) is arranged outside the traction roller mandrel (2).

5. The pulling roll for producing display carrier glass as defined in claim 4, wherein: the heat-resistant fiber coating layer (1) is made of asbestos or ceramic.

6. The pulling roll for producing display carrier glass according to claim 2, wherein: the number of the exhaust holes (106) is 3-10.

7. The pulling roll for producing display carrier glass according to claim 2, wherein: the air guide pipe (102) is made of stainless steel or PE, and the plug (103) is made of heat-resistant steel.

8. The pulling roll for producing display carrier glass as defined in claim 3, wherein: the cooling water inlet pipe (201) and the cooling water return pipe (202) are made of stainless steel or heat-resistant steel.