Machine rod heat preservation structure of edge roller

Abstract

The utility model provides an edge roller rod heat preservation structure, which belongs to the technical field of glass production and comprises a first heat preservation layer, a clamping shell, a fixing piece and a second heat preservation layer. The first heat preservation layer is used for being arranged on the outer surface of the machine rod. The clamping shell is used for being arranged on the machine rod in a sleeving mode and located on the outer side of the first heat preservation layer, and the clamping shell is of a split structure. The fixing piece is installed on the clamping shell and used for fixing and clamping the clamping shell. The second heat preservation layer is arranged on the clamping shell and the fixing piece. According to the heat preservation structure for the machine rod of the edge roller, the first heat preservation layer and the second heat preservation layer are arranged on the innermost side and the outermost side of the whole heat preservation structure respectively, heat exchange between the interior of the pull rod and a tin bath is further reduced, and meanwhile the first heat preservation layer is surrounded and fixed through the clamping shell and the fixing piece; and the stability and the firmness of the heat preservation structure are also improved, so that the transverse temperature difference in the tin bath can be well reduced, and the glass quality cannot be influenced.

Description

Technical Field

[0001] The utility model belongs to the technical field of glass production, and more specifically relates to a heat-insulating structure for a rod of an edge drawing machine. Background Art

[0002] The edge drawing machine is a special equipment used to control the glass forming process when producing flat glass in the tin bath of the float glass production line. In the process of forming float glass, it plays the role of throttling, thinning or thickening the glass plate, and controlling the thickness and direction of the glass. Since the edge drawing machine is equipped with a water circulation cooling system, there is a lateral temperature difference in the tin bath, which affects the thickness difference, curvature and annealing of the glass plate, resulting in reduced glass production quality. Utility Model Content

[0003] The utility model aims to provide a heat-insulating structure for the rod of a side drawing machine, so as to solve the technical problem in the prior art that the side drawing machine causes a lateral temperature difference in the tin bath, resulting in reduced glass quality.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a heat preservation structure of the machine rod of the edge drawing machine, including:

[0005] A first heat-insulating layer is used to be arranged on the outer surface of the machine rod;

[0006] A clamping shell, which is used to be sleeved on the machine rod and is located outside the first thermal insulation layer; the clamping shell is a split structure, which is used to clamp on the first thermal insulation layer from outside to inside;

[0007] A fixing member, mounted on the clamping shell, for fixing and clamping the clamping shell;

[0008] The second heat-insulating layer is arranged on the clamping shell and the fixing member.

[0009] In a possible implementation, the clamping shell includes two semi-cylindrical shells, and the two semi-cylindrical shells are butt-jointed.

[0010] In a possible implementation, the first thermal insulation layer is prefabricated and installed on the inner walls of the two semi-cylindrical shells.

[0011] In a possible implementation, the butt joint surfaces of the two semi-cylindrical shells are respectively provided with a groove and a protrusion mounted in cooperation with the groove.

[0012] In a possible implementation, a sealing groove and a sealing strip installed in the sealing groove are respectively provided on a butt joint surface of the semi-cylindrical shell.

[0013] In a possible implementation, the fixing member includes two clamps respectively mounted on two ends of the clamping shell.

[0014] In a possible implementation, both ends of the clamping shell are provided with annular grooves, and the fixing member is installed in the annular grooves; and the outer side surface of the fixing member is flush with the outer side surface of the clamping shell.

[0015] In a possible implementation, a mounting hole and a ball plunger installed in the mounting hole are provided on the inner wall of the clamp.

[0016] In a possible implementation, the first thermal insulation layer and the second thermal insulation layer are high-silica cloth, the first thermal insulation layer is wound and arranged along the length direction of the machine rod, and the second thermal insulation layer is arranged along the length direction of the clamping shell.

[0017] The beneficial effect of the heat-insulating structure of the machine rod of the edge drawing machine provided by the utility model is that compared with the prior art, when the heat-insulating structure of the machine rod of the edge drawing machine provided by the utility model is used, the first heat-insulating layer is first surrounded on the machine rod, and then the clamping shell of the split structure is clamped on the first heat-insulating layer from the outside to the inside, and the clamping shell forms a butt joint to surround and protect the first heat-insulating layer, and then the clamping shell is fixed by using a fixing piece, and finally the second heat-insulating layer is arranged on the outside of the clamping shell and the fixing piece; in this way, the first heat-insulating layer and the second heat-insulating layer are respectively arranged on the innermost side and the outermost side of the entire heat-insulating structure, which further reduces the heat exchange between the pull rod and the tin bath, and at the same time, the clamping shell and the fixing piece are arranged to surround and fix the first heat-insulating layer, which also improves the stability and reliability of the heat-insulating structure, thereby effectively reducing the lateral temperature difference in the tin bath, and will not affect the quality of the glass. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 A cross-sectional view of a heat-insulating structure for a side drawing machine rod provided by an embodiment of the utility model;

[0020] Figure 2 A schematic diagram of the use state of the heat preservation structure of the edge drawing machine rod provided by the embodiment of the utility model;

[0021] Figure 3 A schematic structural diagram of a heat-insulating structure of a side drawing machine rod without a second heat-insulating layer installed provided by an embodiment of the utility model;

[0022] Figure 4 for Figure 1 The enlarged view of point A in the middle;

[0023] Figure 5 A schematic diagram of the structure of the clamping shell provided in an embodiment of the utility model;

[0024] Figure 6 A schematic diagram of the connection between the protrusions and grooves on two semi-cylindrical shells provided in an embodiment of the utility model.

[0025] Among them, the reference numerals in the figure are:

[0026] 1. First insulation layer; 2. Clamping shell; 21. Semi-cylindrical shell; 22. Annular groove; 23. Groove; 24. Protrusion; 3. Fixing piece; 31. Mounting hole; 32. Ball plunger; 4. Second insulation layer; 5. Machine rod. DETAILED DESCRIPTION

[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0028] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0029] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0031] See also Figures 1 to 5 The heat-insulating structure of the machine rod of the edge drawing machine provided by the utility model is now described. A heat-insulating structure of the machine rod of the edge drawing machine comprises a first heat-insulating layer 1, a clamping shell 2, a fixing part 3 and a second heat-insulating layer 4; the first heat-insulating layer 1 is used to be arranged on the outer surface of the machine rod 5; the clamping shell 2 is used to be sleeved on the machine rod 5 and is located on the outer side of the first heat-insulating layer 1; the clamping shell 2 is a split structure, used to clamp on the first heat-insulating layer 1 from the outside to the inside; the fixing part 3 is installed on the clamping shell 2, used to fix and clamp the clamping shell 2; the second heat-insulating layer 4 is arranged on the clamping shell 2 and the fixing part 3.

[0032] Compared with the prior art, the heat-insulating structure of the edge drawing machine rod provided by the utility model is, when in use, firstly surrounds the first heat-insulating layer 1 on the machine rod 5, then the clamping shell 2 of the split structure is clamped on the first heat-insulating layer 1 from the outside to the inside, and the clamping shell 2 forms a butt joint to surround and protect the first heat-insulating layer 1, then the clamping shell 2 is fixed by the fixing member 3, and finally the second heat-insulating layer 4 is arranged on the outside of the clamping shell 2 and the fixing member 3; in this way, the first heat-insulating layer 1 and the second heat-insulating layer 4 are respectively arranged on the innermost and outermost sides of the entire heat-insulating structure, which further reduces the heat exchange between the pull rod and the tin bath, and at the same time, the clamping shell 2 and the fixing member 3 are arranged to surround and fix the first heat-insulating layer 1, which also improves the stability and reliability of the heat-insulating structure, thereby effectively reducing the lateral temperature difference in the tin bath, and will not affect the quality of the glass.

[0033] See also Figures 1 to 5 As a specific implementation of the heat preservation structure of the edge drawing machine rod provided by the utility model, the clamping shell 2 includes two semi-cylindrical shells 21, and the two semi-cylindrical shells 21 are butt-jointed; two semi-cylindrical shells are used to form the clamping shell 2, and the two semi-cylindrical shells are symmetrically arranged, so that the two semi-cylindrical shells can be accurately and reliably butt-jointed, the operation is convenient, and the first heat preservation layer 1 is also well surrounded.

[0034] See also Figure 1 and Figure 4 As a specific embodiment of the heat preservation structure of the edge drawing machine rod provided by the utility model, the first heat preservation layer 1 is prefabricated and installed on the inner walls of the two semi-cylindrical shells 21; that is, the first heat preservation layer 1 is prefabricated and installed on the inner walls of the semi-cylindrical shells respectively, and the first heat preservation layer 1 is bonded to the semi-cylindrical shells with glue. In this way, it is also more convenient to install the first heat preservation layer 1 on the semi-cylindrical shell, and it also makes the installation and docking of the clamping shell 2 more secure.

[0035] See also Figure 1 , Figure 5 and Figure 6As a specific implementation of the heat preservation structure of the edge drawing machine rod provided by the utility model, the docking surfaces of the two semi-cylindrical shells 21 are respectively provided with a groove 23 and a protrusion 24 installed in cooperation with the groove 23; when the two semi-cylindrical shells are docked, the protrusion 24 on one semi-cylindrical shell is installed in cooperation with the groove 23 on the other semi-cylindrical shell, and a certain clamping is formed by means of the groove 23 and the protrusion 24, which is convenient for using the fixing part 3 to fix the clamping shell 2.

[0036] As a specific implementation of the heat preservation structure of the edge drawing machine rod provided by the utility model, the docking surfaces of a semi-cylindrical shell 21 are respectively provided with a sealing groove and a sealing strip installed in the sealing groove; a sealing groove is set on a semi-cylindrical docking surface, and the length direction of the sealing groove is consistent with the length direction of the clamping shell 2, and then the sealing strip is installed in the sealing groove, so that after the two semi-cylindrical shells are docked and installed, the sealing strip makes the overall sealing of the clamping shell 2 higher.

[0037] See also Figure 1 and Figure 2 As a specific implementation of the heat preservation structure of the edge drawing machine rod provided by the utility model, the fixing part 3 includes two clamps, which are respectively installed at the two ends of the clamping shell 2; when in use, the two clamps are clamped at the two ends of the clamping shell 2 and sleeved on the clamping shell 2, and then the two clamps are tightly connected to the split clamping shell 2 to ensure that the clamping shell 2 is firmly and securely installed on the machine rod 5.

[0038] See also Figure 1 , Figure 3 , Figure 4 As a specific implementation of the heat preservation structure of the edge drawing machine rod provided by the utility model, both ends of the clamping shell 2 are provided with annular grooves 22, and the fixing member 3 is installed in the annular groove 22; the outer side surface of the fixing member 3 is flush with the outer side surface of the clamping shell 2; the annular grooves 22 are set at both ends of the clamping shell 2, and the depth of the annular grooves 22 is equal to the wall thickness of the clamp, so when the clamp is installed on the clamping shell 2, the clamp enters the annular groove 22, so that the outer wall of the clamp is basically flush with the outer side surface of the clamping shell 2, slightly higher or slightly lower, which is convenient for the subsequent installation of the second insulation layer 4.

[0039] See also Figure 1 and Figure 4As a specific embodiment of the heat preservation structure of the edge drawing machine rod provided by the utility model, a mounting hole 31 and a ball plunger 32 installed in the mounting hole 31 are provided on the inner wall of the clamp. Before the clamp is installed on the clamping shell 2, a mounting hole 31 is opened on the inner wall of the clamp, and the ball plunger 32 is installed in the mounting hole 31; then after the clamp is installed on the clamping shell 2, the ball plunger 32 contacts the outer side surface of the clamping shell 2, and the spring in the ball plunger 32 is used to realize the elastic force of the clamp on the clamping shell 2, so that the two semi-cylindrical shells 21 of the clamping shell 2 have a certain movable gap. Therefore, when the first insulation layer 1 and the second insulation layer 4 are deformed by heat, the clamping shell 2 can move adaptively, thereby ensuring that the first insulation layer 1 and the second insulation layer 4 will not affect the machine rod 5.

[0040] See also Figures 1 to 4 As a specific embodiment of the heat preservation structure of the draw rod of the edge drawing machine provided by the utility model, the first heat preservation layer 1 and the second heat preservation layer 4 are high-silica cloth, the first heat preservation layer 1 is arranged along the length direction of the machine rod 5, and the second heat preservation layer 4 is arranged along the length direction of the clamping shell 2; the high-silica cloth has good heat resistance and heat preservation performance, so it can effectively insulate the draw rod and work stably and reliably above the tin bath. The first heat preservation layer 1 and the second heat preservation layer 4 are both arranged along the length direction of the draw rod, so that the first heat preservation layer 1 and the second heat preservation layer 4 have a larger coverage area.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat preservation structure for a top drawing machine rod, characterized in that: include: A first heat-insulating layer is used to be arranged on the outer surface of the machine rod; A clamping shell, which is used to be sleeved on the machine rod and is located outside the first thermal insulation layer; the clamping shell is a split structure, which is used to clamp on the first thermal insulation layer from outside to inside; A fixing member, mounted on the clamping shell, for fixing and clamping the clamping shell; The second heat-insulating layer is arranged on the clamping shell and the fixing member.

2. The heat preservation structure of the top drawing machine rod according to claim 1, characterized in that: The clamping shell comprises two semi-cylindrical shells, and the two semi-cylindrical shells are butt-jointed.

3. The heat preservation structure of the top drawing machine rod according to claim 2, characterized in that: The first thermal insulation layer is prefabricated and installed on the inner walls of the two semi-cylindrical shells.

4. The heat preservation structure of the top drawing machine rod according to claim 2, characterized in that: The butt joint surfaces of the two semi-cylindrical shells are respectively provided with a groove and a protrusion mounted in cooperation with the groove.

5. The heat preservation structure of the top drawing machine rod according to claim 2, characterized in that: A sealing groove and a sealing strip installed in the sealing groove are respectively provided on the butt joint surface of the semi-cylindrical shell.

6. The heat preservation structure of the top drawing machine rod according to claim 1, characterized in that: The fixing member comprises two clamps respectively mounted on two ends of the clamping shell.

7. The heat preservation structure of the top drawing machine rod according to claim 6, characterized in that: Both ends of the clamping shell are provided with annular grooves, and the fixing piece is installed in the annular grooves; the outer side surface of the fixing piece is flush with the outer side surface of the clamping shell.

8. The heat preservation structure of the top drawing machine rod according to claim 6, characterized in that: The inner wall of the clamp is provided with a mounting hole and a ball plunger mounted in the mounting hole.

9. The heat preservation structure of the top drawing machine rod according to claim 1, characterized in that: The first thermal insulation layer and the second thermal insulation layer are high-silica cloth. The first thermal insulation layer is wound along the length direction of the machine rod, and the second thermal insulation layer is arranged along the length direction of the clamping shell.

Images