CN210764984U

CN210764984U - Fixing assembly for heat-insulating layer of glass tempering furnace

Info

Publication number: CN210764984U
Application number: CN201921712544.5U
Authority: CN
Inventors: 赵亚波; 崔笑尘; 朱有成
Original assignee: Luoyang Landglass Technology Co Ltd
Current assignee: Luoyang Landglass Technology Co Ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-06-16
Anticipated expiration: 2029-10-12

Abstract

The utility model relates to a glass tempering equipment technical field, concretely relates to subassembly is fixed to glass tempering furnace heat preservation. A heat-insulating layer fixing assembly of a glass tempering furnace comprises a pull rod with a nail head, a positioning piece, an elastic piece and a fixing piece, wherein the fixing piece is provided with a through hole, and one end of the pull rod, far away from the nail head, sequentially penetrates through the through hole, the heat-insulating layer, the outer wall of the glass tempering furnace and the elastic piece; the positioning piece is arranged on the pull rod; the elastic piece is arranged between the positioning piece and the outer wall in a compressed state; the heat preservation sets up between mounting and outer wall. The fixing piece linked with the compression spring can synchronously follow up the compensation shrinkage along with the reduction of the heated volume of the heat insulation layer, and the phenomenon that the heat insulation cotton in the heat insulation layer falls down due to the loosening of the fixing piece can not occur.

Description

Fixing assembly for heat-insulating layer of glass tempering furnace

Technical Field

The utility model relates to a glass tempering equipment field, concretely relates to subassembly is fixed to glass tempering furnace heat preservation.

Background

The toughening furnace is an important component of a toughened glass production line, the heat preservation and insulation performance of the toughening furnace depends on heat preservation materials to a great extent, the heat preservation materials in the existing toughening furnace are generally heat preservation cotton, and the heat preservation cotton needs to be firmly fixed on the inner wall of the toughening furnace, so that the toughening furnace can obtain better heat preservation and insulation effects.

As shown in FIG. 5, the insulation layer of the current toughening furnace is usually fixed by combining a heat insulation nail pull rod with a metal fixing piece or a T-shaped fixing piece. The heat preservation nail pull rod penetrates through the outer wall of the toughening furnace and the heat preservation layer, and the other end of the heat preservation layer is fixed with the metal fixing piece or the T-shaped fixing piece. When the toughening furnace is heated, the heat insulation cotton is heated, and the phenomenon of volume reduction caused by fiber crystallization can occur. Meanwhile, the shrinkage compensation can not be synchronously carried along with the thermal shrinkage deformation of the thermal insulation cotton, so that the thermal insulation cotton in the thermal insulation layer falls down due to looseness, and a large amount of heat energy is lost. Therefore, how to provide a fixing component for the heat-insulating layer of the glass tempering furnace and reduce the loss of heat in the tempering furnace caused by the reasons is a problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

Aiming at the relevant problems in the technology, the heat insulation cotton fixing piece for the glass tempering furnace is provided. This cotton mounting of heat preservation can reduce furnace body calorific loss, and its technical scheme is as follows:

a fixing assembly for a heat-insulating layer of a glass tempering furnace comprises a pull rod with a nail head, a positioning piece, an elastic piece and a fixing piece, wherein the fixing piece is provided with a through hole, and one end of the pull rod, far away from the nail head, sequentially penetrates through the through hole, the heat-insulating layer, the outer wall of the glass tempering furnace and the elastic piece; the positioning piece is arranged on the pull rod; the elastic member is arranged between the positioning member and the outer wall in a compressed state; the heat preservation layer is arranged between the fixing piece and the outer wall.

Furthermore, the fixing piece is an anchoring piece, the anchoring piece is of a frustum-shaped cup body structure, the cup body takes a frustum-shaped lower bottom as a cup opening and takes a frustum-shaped upper bottom as a cup bottom, a supporting part is arranged on the outer side of the cup opening, and the through hole is located in the cup bottom.

Further, the supporting part is a circular ring-shaped supporting part which extends outwards along the radial direction of the cup opening.

Further, the heat-insulating cotton fixing piece of the glass tempering furnace further comprises a cup cover, and the cup cover and the cup body form a closed cavity.

Furthermore, a grab handle is arranged on the cup cover.

Furthermore, an internal thread is formed on the inner side wall of the cup opening, and an external thread matched with the internal thread is formed on the circumferential outer side wall of the cup cover.

Further, the fixing piece is a straw hat type gasket.

Furthermore, the heat preservation layer comprises an inner baffle plate which is abutted to the supporting part of the anchoring part, and a heat preservation cotton layer which is positioned between the outer wall and the inner baffle plate.

Further, the heat insulation cotton layer is divided into a first heat insulation cotton fiberboard layer close to the inner baffle and a second heat insulation fiberboard layer close to the outer wall; an anchoring piece penetrating hole is formed in the inner baffle, and the aperture of the anchoring piece penetrating hole is larger than or equal to the outer diameter of the cup opening and smaller than the outer diameter of the supporting part; and a groove space matched with the shape of the outer contour at the cup bottom is formed in the position, corresponding to the anchoring piece through hole, on one surface of the inner baffle plate, which is attached to the first heat-insulating fiberboard layer.

Furthermore, the elastic part is a spring, a spring seat or a spring piece, a thread is arranged at one end of the pull rod, which is far away from the nail head, and the positioning part is a nut matched with the pull rod.

The heat preservation layer fixing component of the utility model can be in a frustum cup-shaped structure, the cup-shaped structure of the fixing piece is a three-dimensional contact surface, so that the static friction force between the fixing piece and the heat preservation cotton is increased, and the static friction force is laid along a curve; the fixing piece linked with the compression spring can synchronously follow up the compensation shrinkage along with the reduction of the crystal volume of the fiber layer of the heat-insulating layer, and the phenomenon that the heat-insulating cotton in the heat-insulating layer falls down due to the loosening of the fixing piece can not occur.

The supporting part of the cup-shaped structure enables the fixing piece to be accurately positioned on the inner wall of the furnace body, the cup body extends into the heat insulation layer, the fixing piece and the heat insulation layer form a three-dimensional contact surface, the static friction force between the contact surfaces is increased, and the fixing piece and the heat insulation cotton are in close contact with each other and are not prone to falling off after being deformed along with thermal shrinkage of the heat insulation cotton. The cup-shaped fixing member forms an enclosed space inside, which reduces heat loss due to low heat exchange rate.

Drawings

FIG. 1 is a schematic axial partial cross-sectional view of an anchor in an insulation layer retaining assembly;

FIG. 2 is an axial view of the three-dimensional structure of FIG. 1;

FIG. 3 is a schematic view of the heat-insulating structure of a toughening furnace;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic view of a prior art T-shaped securing assembly;

reference numerals: fixing piece 1, supporting part 2, through-hole 3, bowl cover 4, inner baffle 5, pull rod 6, outer wall 7, heat preservation cotton layer 8, setting element 9, spring 10.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

The utility model provides a subassembly is fixed to glass tempering furnace heat preservation, is including the pull rod that has the pin fin, setting element, elastic component and mounting 1, is equipped with through-hole 3 on the mounting 1, and the pull rod is kept away from through-hole 3, heat preservation, the glass tempering furnace's that the pin fin end passed in proper order and the elastic component, installs setting element 9 on the pull rod, and the elastic component compression is between setting element 9 and outer wall 7, and the heat preservation is fixed between mounting and outer wall 7.

After the heat insulation layer is heated and shrunk, the elastic element can be gradually relaxed due to previous compression, so that the fixing element can clamp the heat insulation layer to realize synchronous feeding. When the spring is stretched, the distance between the positioning piece 9 on the pull rod and the outer wall 7 is increased, and the distance compensates the heat shrinkage of the heat preservation layer; to ensure that the fixing and the outer wall 7 always clamp the insulation.

Example 2

The present embodiment is further defined on the basis of embodiment 1, and referring to fig. 1 and fig. 2, the fixing member 1 is an anchoring member, the anchoring member is a frustum-shaped cup body structure, the cup body takes a frustum-shaped lower bottom as a cup rim, takes a frustum-shaped upper bottom as a cup bottom, a supporting portion is arranged outside the cup rim, and the through hole 3 is located on the cup bottom.

The fixing member 1 of the embodiment is of a cup-shaped structure, and the cup-shaped supporting part 2 and the inner baffle 5 of the toughening furnace form a limiting support, so that the fixing member can be accurately positioned on the inner wall of the furnace body, and refer to fig. 4.

The anchoring piece is in a three-dimensional conical table structure, the lower bottom of the anchoring piece can penetrate through the baffle 5 in the toughening furnace and extend into the heat insulation layer, and the contact area of the anchoring piece and the heat insulation layer is increased; because the cup body and the heat-insulating layer form a three-dimensional contact surface, the cup body is transversely contacted and also longitudinally contacted, the static friction force between the contact surfaces is increased, the direction without friction force is dispersed, the fixing piece can be tightly sleeved on the lower bottom of the fixing piece after being deformed along with the thermal shrinkage of the heat-insulating cotton layer 8, and the fixing piece and the heat-insulating layer are more closely contacted. The fixing piece is in a cone frustum or pyramid frustum-shaped structure. Triangular pyramid or multi-pyramid structure with more than three ridges. The elastic part can be a spring, a flange or high-temperature resistant rubber. A gasket can be additionally arranged between the elastic element and the heat-insulating layer.

The fixing part 1 of the glass tempering furnace heat insulation cotton fixing assembly further comprises a cup cover, and the cup cover and the cup body form a closed cavity. The supporting part 2 is a circular ring-shaped supporting part which extends outwards along the radial direction of the cup opening. The internal thread is seted up to the rim of a cup inside wall, and the external screw thread with internal thread looks adaptation is seted up to bowl cover circumference lateral wall. Referring to fig. 1 and 2, the inner side wall close to the cup opening is provided with a butt sealing structure matched with the circumferential outer side wall of the cup cover 4, the anchoring piece is made of ceramic, and the ceramic material is high-temperature resistant and good in pressure resistance. The cup cover 4 enables the interior of the cup-shaped fixing part to form a closed space, and the heat exchange rate of the closed space is low, so that the heat loss is effectively reduced. The cup cover 4 is provided with a grab handle. The handle can be used for conveniently taking down the cup cover 4. Internal threads can be formed on the inner side wall of the cup opening, and external threads matched with the internal threads are formed on the circumferential outer side wall of the cup cover 4 to form a butt-joint sealing structure.

The heat preservation includes the interior baffle 5 that offsets with the supporting part of anchor assembly to and be located the cotton layer 8 of heat preservation between outer wall 7 and the interior baffle 5. The heat insulation cotton layer 8 is divided into a first heat insulation cotton fiberboard layer close to the inner baffle 5 and a second heat insulation fiberboard layer close to the outer wall 7; an anchoring piece penetrating hole is formed in the inner baffle 5 of the heat-insulating layer, and the aperture of the anchoring piece penetrating hole is larger than or equal to the outer diameter of the cup opening and smaller than the outer diameter of the annular supporting part; a groove space matched with the shape of the outer contour of the cup bottom is formed in the position, corresponding to the through hole of the anchoring piece, on one surface of the first heat-insulating cotton layer, which is attached to the inner baffle 5.

The elastic part is a spring 10, a spring seat or a spring piece, one end of the pull rod, which is far away from the nail head, is provided with threads, and the positioning part is a nut matched with the pull rod.

Referring to fig. 3 and 4, the heat preservation nail pull rod 6 penetrates through the heat preservation layer; the heat preservation layer comprises an inner baffle 5 serving as the inner wall of the toughening furnace and a heat preservation cotton layer 8 positioned between the outer wall 7 of the toughening furnace and the inner baffle 5.

The heat insulation cotton layer 8 is divided into a first fiberboard layer close to the inner baffle and a second fiberboard layer close to the outer wall 7; the inner baffle 5 is provided with an anchoring piece penetrating hole, and the first fiberboard layer and the second fiberboard layer are respectively composed of a plurality of layers of ceramic fiberboards with different heat conduction and heat resistance coefficients. When the groove space can ensure that the pull rod is tensioned, the anchoring part main body can be put into and tightly press the heat preservation layer, and the supporting part is attached to the inner baffle plate. Refer to fig. 4.

One end of the heat-preservation nail pull rod 6, which is positioned at the inner side of the toughening furnace, penetrates into the through hole 3 of the fixing piece 1, and one end of the heat-preservation nail pull rod 6, which is positioned at the outer side of the toughening furnace, is provided with a positioning piece 9.

And a pull rod clamp is arranged on the inner wall of the heat-insulating layer fixing component 1 close to the through hole 3.

An elastic part is arranged at one end of the heat-preservation nail pull rod 6 close to the positioning part 9 in a penetrating way, and the elastic part is in a compressed state between the positioning part 9 and the outer wall 7.

The locating piece 9 can be provided with an external thread at one end of the heat-preservation nail pull rod 6, and a limiting part is formed in a nut mode through sleeving, gaskets are arranged at two ends of the elastic piece in a penetrating mode, and the two gaskets are respectively abutted against the locating piece 9 and the outer wall 7.

The heat deformation quantity of the inner baffle 5 and the outer wall 7 is small, and the inner baffle 5 can be made of ceramic fiber ceramic plates or steel plates; the outer wall 7 is made of a steel plate, and the heat-insulating cotton layer 8 is made of a variety with a high heat-resisting coefficient. The fixing piece can synchronously follow up the compensation shrinkage along with the shrinkage of the heat preservation layer due to the reduction of the heated crystal volume of the fiber layer, and the phenomenon that the heat preservation cotton in the heat preservation layer falls down due to the loosening of the fixing piece can not occur.

Example 3

The embodiment is further limited on the basis of the embodiment 1, and the parallel embodiment with the straw hat type gasket as the anchor is implemented as follows: the fixing piece is a straw hat type gasket. The heat preservation includes the interior baffle 5 that offsets with straw hat type gasket to and be located the cotton layer 8 of heat preservation between outer wall 7 and the interior baffle 5. The heat insulation cotton layer 8 is divided into a first heat insulation cotton fiberboard layer close to the inner baffle 5 and a second heat insulation fiberboard layer close to the outer wall 7; the elastic element is a spring 10, and one end of the pull rod, which is far away from the nail head, is provided with a threaded positioning element which is a nut matched with the pull rod. The structure can synchronously follow up the allowance of the thermal insulation cotton for thermal insulation cotton to be heated and shrunk, so that the thermal insulation cotton cannot fall down. The elastic part is a spring, a spring seat or a spring piece.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A fixing component for a heat-insulating layer of a glass tempering furnace comprises a pull rod with a nail head and a positioning piece, and is characterized by further comprising an elastic piece and a fixing piece, wherein the fixing piece is provided with a through hole, and one end of the pull rod, far away from the nail head, sequentially penetrates through the through hole, the heat-insulating layer, the outer wall of the glass tempering furnace and the elastic piece; the positioning piece is arranged on the pull rod; the elastic member is arranged between the positioning member and the outer wall in a compressed state; the heat preservation layer is arranged between the fixing piece and the outer wall.

2. The fixing assembly for the insulating layer of the glass tempering furnace according to claim 1, wherein the fixing member is an anchoring member, the anchoring member is a frustum-shaped cup body structure, the cup body takes a frustum-shaped lower bottom as a cup mouth and takes a frustum-shaped upper bottom as a cup bottom, a supporting part is arranged outside the cup mouth, and the through hole is positioned on the cup bottom.

3. The glass tempering furnace insulating layer fixing assembly according to claim 2, wherein the support portion is a circular ring-shaped support portion extending radially outward along the cup opening.

4. The glass tempering furnace insulating layer fixing assembly according to claim 2, wherein the fixing member further comprises a cup cover, and the cup cover and the cup body form a closed cavity.

5. The fixing assembly for the insulating layer of the glass tempering furnace according to claim 4, wherein a grab handle is arranged on the cup cover.

6. The fixing assembly for the insulating layer of the glass tempering furnace according to claim 5, wherein an inner thread is formed on the inner side wall of the cup opening, and an outer thread matched with the inner thread is formed on the circumferential outer side wall of the cup cover.

7. The glass tempering furnace insulation layer fixing assembly according to claim 1, wherein said fixing member is a straw hat type gasket.

8. The glass tempering furnace insulation layer fixing assembly according to any one of claims 2-6, wherein said insulation layer comprises an inner baffle abutting against said anchor support, and an insulation cotton layer between said outer wall and said inner baffle.

9. The glass tempering furnace insulation layer fixing assembly according to claim 8, wherein said insulation cotton layer is divided into a first insulation cotton fiberboard layer adjacent to said inner baffle and a second insulation fiberboard layer adjacent to said outer wall; an anchoring piece penetrating hole is formed in the inner baffle, and the aperture of the anchoring piece penetrating hole is larger than or equal to the outer diameter of the cup opening and smaller than the outer diameter of the supporting part; and a groove space matched with the shape of the outer contour at the cup bottom is formed in the position, corresponding to the anchoring piece through hole, on one surface of the inner baffle plate, which is attached to the first heat-insulating fiberboard layer.

10. The fixing assembly for the insulating layer of the glass tempering furnace according to claim 1, wherein the elastic member is a spring, a spring seat or a leaf spring, a screw thread is arranged at one end of the pull rod far away from the nail head, and the positioning member is a nut matched with the pull rod.