Furnace body heat preservation structure for automatic small sintering furnace

Abstract

The utility model belongs to the technical field of high-temperature sintering application, and particularly discloses a furnace body heat preservation structure for an automatic small sintering furnace. Comprising a square through groove type hollow plate, a furnace door, a furnace door screw groove, a furnace door bolt, a plurality of furnace body connecting screw grooves, a rear sealing plate, a furnace door connecting plate, two sets of fixing plates, a heat preservation layer, a rear sealing plate transition part, a furnace door connecting plate transition part, a rear heat preservation layer, a furnace door heat preservation layer, a high-temperature sealant layer, a furnace door connecting plate screw groove and the like. The utility model has the beneficial effects that: 1, the split combined design is adopted, on one hand, the square through groove type hollow plate can be conveniently assembled in the furnace body, and on the other hand, the thermal insulation layer, the rear thermal insulation layer and the furnace door thermal insulation layer can be correspondingly and conveniently constructed and assembled; the overall design is reasonable, compared with a traditional heat preservation layer, the heat preservation layer does not need to be integrally replaced, the burnt-out heat preservation layer, the rear heat preservation layer and the furnace door heat preservation layer can be replaced in a targeted mode, the use economic cost is reduced, and meanwhile popularization is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of high-temperature sintering application, and in particular relates to a furnace body insulation structure for an automated small-scale sintering furnace. Background Art

[0002] A sintering furnace is a special equipment that allows powder compacts to obtain the required physical, mechanical properties and microstructure through sintering.

[0003] Generally, sintering furnaces can be divided into two categories according to the different ways of moving the pressed billets: continuous sintering furnaces and intermittent sintering furnaces.

[0004] The sintering furnace body is an important sintering component during sintering operations. In order to achieve high-quality and efficient sintering operations during operation, it is usually necessary to perform corresponding insulation treatment on the furnace body during sintering, that is, to set an insulation layer inside the furnace body to prevent rapid temperature loss. The traditional insulation layer is fixed inside the furnace body. When the problem of burning occurs during use, it is inconvenient to replace or maintain it. At the same time, the replacement can only be replaced as a whole, resulting in high cost of use.

[0005] Therefore, based on the above problems, the utility model provides a furnace body insulation structure for an automated small sintering furnace. Utility Model Content

[0006] Purpose of the utility model: The purpose of the utility model is to provide a heat preservation structure for a furnace body of an automated small sintering furnace, with a split combination design, which is convenient for replacement or maintenance of burned parts and solves the problems existing in the background technology.

[0007] Technical solution: The utility model is used for the thermal insulation structure of the furnace body of an automated small-scale sintering furnace, comprising a square through-groove hollow plate, a furnace door, furnace door screw grooves and furnace door bolts, wherein the outer walls on both sides of the square through-groove hollow plate are symmetrically provided with a plurality of furnace body connecting screw grooves, and the two ends of the square through-groove hollow plate are respectively provided with a rear sealing plate and a furnace door connecting plate, and the inner wall of the square through-groove hollow plate is provided with two groups of fixing plates, and one side of the fixing plate is respectively provided with a thermal insulation layer, and the rear sealing plate and the furnace door connecting plate are respectively provided with a rear sealing plate transition portion and a furnace door connecting plate transition portion, and the surfaces of the rear sealing plate transition portion and the furnace door connecting plate transition portion are respectively provided with a rear thermal insulation layer and a furnace door thermal insulation layer used in conjunction with the thermal insulation layer, and a high-temperature sealant layer is provided on the connecting surface of the thermal insulation layer, and furnace door connecting plate screw grooves are provided at the four corners of the furnace door connecting plate; wherein the furnace door and the furnace door connecting plate are fixedly assembled by furnace door bolts through the furnace door screw grooves and the furnace door connecting plate screw grooves.

[0008] In the technical solution, the insulation structure for the furnace body of an automated small sintering furnace also includes a plurality of groups of fixing plate connecting screw grooves arranged on the four sides of the square through-groove hollow plate, and a plurality of groups of fixing plate screw grooves respectively arranged on the other side of the fixing plate, and a first bolt for fixing and assembling the square through-groove hollow plate and the fixing plate through the fixing plate connecting screw grooves and the fixing plate screw grooves.

[0009] In the technical solution, the thermal insulation structure for the furnace body of an automated small-scale sintering furnace also includes square through-groove hollow plate screw grooves arranged in the four corners of the rear end of the square through-groove hollow plate, and rear sealing plate screw holes arranged in the four corners of the rear sealing plate, and a second bolt that fixes the rear sealing plate and the square through-groove hollow plate through the rear sealing plate screw holes and the square through-groove hollow plate screw grooves, and a rear sealing plate screw groove that is arranged in the rear sealing plate and located in the inner layer of the rear sealing plate screw holes, and a rear sealing plate transition portion screw groove that is arranged on one side of the transition portion of the rear sealing plate, and a third bolt that fixes the rear sealing plate and the rear sealing plate transition portion through the rear sealing plate screw groove and the rear sealing plate transition portion screw groove.

[0010] In the technical solution, the insulation structure for the furnace body of an automated small-scale sintering furnace also includes a furnace door connecting plate screw hole arranged on the furnace door connecting plate and located in the inner layer of the furnace door connecting plate screw groove, a furnace door connecting plate transition portion screw groove arranged on one side of the furnace door connecting plate transition portion, and a fourth bolt that fixes and assembles the furnace door connecting plate and the furnace door connecting plate transition portion through the furnace door connecting plate screw hole and the furnace door connecting plate transition portion screw groove.

[0011] In the technical solution, the insulation structure for the furnace body of an automated small sintering furnace also includes strip grooves symmetrically arranged on the inner wall of the square through-groove type hollow plate, and strip blocks respectively arranged on the other side of the fixed plate and used in conjunction with the strip grooves.

[0012] In the technical solution, the insulation layer, rear insulation layer and furnace door insulation layer include but are not limited to high temperature resistant cotton.

[0013] Compared with the prior art, the utility model has the beneficial effects of the thermal insulation structure for the furnace body of an automated small-scale sintering furnace: 1. The square through-groove hollow plate, rear sealing plate, furnace door connecting plate, two sets of fixed plates, rear sealing plate transition portion, furnace door connecting plate transition portion, thermal insulation layer, rear thermal insulation layer, furnace door thermal insulation layer and high-temperature sealant layer, etc., which are used in conjunction with each other, adopt a split assembly design. On the one hand, the square through-groove hollow plate can be conveniently assembled in the furnace body, and on the other hand, the thermal insulation layer, rear thermal insulation layer and furnace door thermal insulation layer can be conveniently constructed and assembled accordingly; 2. The overall design is reasonable. Compared with the traditional thermal insulation layer, there is no need to replace the thermal insulation layer as a whole. The burned thermal insulation layer, rear thermal insulation layer and furnace door thermal insulation layer can be replaced in a targeted manner, thereby reducing the economic cost of use and facilitating promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 This is a schematic diagram of the main structure of the thermal insulation structure of the automatic small sintering furnace of the utility model;

[0016] Figure 2 It is a schematic diagram of a top view of a heat preservation structure of a furnace body of an automated small sintering furnace according to the utility model;

[0017] The numbers in the figure are as follows: 10-square through-groove hollow plate, 10-1-furnace body connection screw groove, 11-rear sealing plate, 11-1-rear sealing plate screw groove, 12-furnace door connection plate, 12-1-furnace door connection plate screw hole, 12-2-furnace door connection plate screw groove, 13-square through-groove hollow plate screw groove, 14-rear sealing plate screw hole, 15-second bolt, 16-fixing plate, 16-1-fixing plate screw groove, 17-insulation Layer, 18-high temperature sealant layer, 19-rear sealing plate transition part, 19-1-rear sealing plate transition part screw groove, 20-rear insulation layer, 21-third bolt, 22-furnace door connecting plate transition part, 22-1-furnace door connecting plate transition part screw groove, 23-furnace door connecting plate transition part, 24-fourth bolt, 25-furnace door, 26-furnace door screw groove, 27-furnace door bolt, 28-strip groove, 19-strip block, 30-first bolt. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 of the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] Embodiment 1

[0021] like Figure 1 and Figure 2 The heat preservation structure for the automatic small sintering furnace shown in the figure comprises a square through-groove hollow plate 10, a furnace door 25, a furnace door screw groove 26 and a furnace door bolt 27.

[0022] The outer walls of both sides of the square through-groove hollow plate 10 are symmetrically provided with a plurality of furnace body connecting screw grooves 10-1.

[0023] The two ends of the square through-groove hollow plate 10 are respectively provided with a rear sealing plate 11 and a furnace door connecting plate 12.

[0024] The inner wall of the square through-groove hollow plate 10 is provided with two sets of fixing plates 16.

[0025] A heat-insulating layer 17 is provided on one side of the fixing plate 16.

[0026] The rear sealing plate 11 and the furnace door connecting plate 12 are respectively provided with a rear sealing plate transition portion 19 and a furnace door connecting plate transition portion 22.

[0027] The surfaces of the rear sealing plate transition portion 19 and the furnace door connecting plate transition portion 22 are respectively provided with a rear insulation layer 20 and a furnace door insulation layer 23 used in conjunction with the insulation layer 17.

[0028] The connection surface of the thermal insulation layer 17 is provided with a high temperature sealant layer 18.

[0029] The four corners of the furnace door connecting plate 12 are provided with furnace door connecting plate screw grooves 12-2;

[0030] The furnace door 25 and the furnace door connecting plate 12 are fixedly assembled by furnace door bolts 27 through furnace door screw grooves 26 and furnace door connecting plate screw grooves 12 - 2 .

[0031] Embodiment 2

[0032] On the basis of the first embodiment, the heat preservation structure for the furnace body of the automated small sintering furnace further includes a plurality of sets of fixing plate connecting screw grooves 10-2 arranged in the four sides of the square through-groove hollow plate 10, and a plurality of sets of fixing plate screw grooves 16-1 respectively arranged on the other side of the fixing plate 16, and a first bolt 30 for fixing and assembling the square through-groove hollow plate 10 and the fixing plate 16 through the fixing plate connecting screw grooves 10-2 and the fixing plate screw grooves 16-1;

[0033] With the above-mentioned design structure, when any part of the heat-insulating layer 17 is burnt out, the fixing plate 16 can be removed by unscrewing the first bolt 30 , and the heat-insulating layer 17 on the corresponding fixing plate 16 can be replaced or repaired.

[0034] Embodiment 3

[0035] On the basis of the first or second embodiment, the heat preservation structure for the furnace body of the automated small sintering furnace further includes a square through-groove hollow plate screw groove 13 arranged in the four corners of the rear end of the square through-groove hollow plate 10, and a rear sealing plate screw hole 14 arranged in the four corners of the rear sealing plate 11, and a second bolt 15 for fixing and assembling the rear sealing plate 11 and the square through-groove hollow plate screw groove 13 through the rear sealing plate screw hole 14, and a rear sealing plate screw groove 11-1 arranged in the rear sealing plate 11 and located in the inner layer of the rear sealing plate screw hole 14, and a rear sealing plate transition portion screw groove 19-1 arranged on one side of the rear sealing plate transition portion 19, and a third bolt 21 for fixing and assembling the rear sealing plate 11 and the rear sealing plate transition portion 19 through the rear sealing plate screw groove 11-1 and the rear sealing plate transition portion screw groove 19-1;

[0036] In the above-mentioned design structure, when the rear insulation layer 20 is burned out, firstly unscrew the second bolt 15 to disassemble the rear sealing plate 11 and the square through-groove hollow plate 10, then unscrew the third bolt 21 to disassemble the rear sealing plate 11 and the rear sealing plate transition part 19, and finally replace or repair the rear insulation layer 20.

[0037] Embodiment 4

[0038] On the basis of the first or second or third embodiment, the heat preservation structure for the furnace body of the automated small sintering furnace further includes a furnace door connecting plate screw hole 12-1 provided on the furnace door connecting plate 12 and located at the inner layer of the furnace door connecting plate screw groove 12-2, and a furnace door connecting plate transition portion screw groove 22-1 provided on one side of the furnace door connecting plate transition portion 22, and a fourth bolt 24 for fixing and assembling the furnace door connecting plate 12 and the furnace door connecting plate transition portion 22 through the furnace door connecting plate screw hole 12-1 and the furnace door connecting plate transition portion screw groove 22-1;

[0039] With the above-mentioned design structure, when the furnace door insulation layer 23 is burned out, firstly, the furnace door bolt 27 is unscrewed to separate the furnace door connecting plate 12 and the furnace door 25, then the fourth bolt 24 is unscrewed to separate the furnace door connecting plate 12 and the furnace door connecting plate transition portion 22, and finally the furnace door insulation layer 23 is replaced or repaired.

[0040] Embodiment 5

[0041] On the basis of the first embodiment, the second embodiment, the third embodiment or the fourth embodiment, the heat preservation structure for the furnace body of the automated small sintering furnace further includes a strip groove 28 symmetrically arranged on the inner wall of the square through-groove hollow plate 10, and a strip block 29 respectively arranged on the other side of the fixed plate 16 and used in conjunction with the strip groove 28;

[0042] Among them, the strip block 29 slides horizontally in the strip groove 28, and the strip block 29 and the strip groove 28 are set to be a U-shaped structure or a dovetail structure for use with each other, which is convenient for quickly and accurately assembling the fixing plate 16 on the inner wall of the square through-groove hollow plate 10.

[0043] In addition, the preferred insulation layer 17, rear insulation layer 20, and furnace door insulation layer 23 include but are not limited to high temperature resistant cotton; wherein the insulation layer 17, rear insulation layer 20, and furnace door insulation layer 23 form a square structure, which is suitable for the furnace body of an automated small sintering furnace to achieve efficient sealing and insulation.

[0044] The structural principle or working principle of the thermal insulation structure of the automatic small sintering furnace is as follows:

[0045] First, the square through-groove hollow plate 10 and the fixing plate 16 are fixedly assembled by using the first bolt 30 through the fixing plate connecting screw groove 10-2 and the fixing plate screw groove 16-1;

[0046] Then, the rear sealing plate 11 and the square through-groove hollow plate 10 are fixedly assembled by the second bolt 15 through the rear sealing plate screw hole 14 and the square through-groove hollow plate screw groove 13, and the rear sealing plate 11 and the rear sealing plate transition portion 19 are fixedly assembled by the third bolt 21 through the rear sealing plate screw groove 11-1 and the rear sealing plate transition portion screw groove 19-1;

[0047] Finally, the furnace door connecting plate 12 and the furnace door connecting plate transition portion 22 are fixedly assembled by the fourth bolt 24 through the furnace door connecting plate screw hole 12-1 and the furnace door connecting plate transition portion screw groove 22-1, and the furnace door 25 and the furnace door connecting plate 12 are fixedly assembled by the furnace door bolt 27 through the furnace door screw groove 26 and the furnace door connecting plate screw groove 12-2;

[0048] After the above assembly is completed, the square through-groove hollow plate 10 can be fixedly assembled in the furnace body by furnace body bolts through a plurality of furnace body connecting screw grooves 10-1 (the furnace body bolts and the furnace body are not marked in the figure, which does not affect the disclosure of the technical solution of this application).

[0049] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0050] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A heat preservation structure for an automated small sintering furnace, comprising a square through-groove hollow plate (10), a furnace door (25), a furnace door screw groove (26) and a furnace door bolt (27), characterized in that: The outer walls of both sides of the square through-groove hollow plate (10) are symmetrically provided with a plurality of furnace body connecting screw grooves (10-1). The two ends of the square through-groove hollow plate (10) are respectively provided with a rear sealing plate (11) and a furnace door connecting plate (12). The inner wall of the square through-groove hollow plate (10) is provided with two sets of fixing plates (16). One side of the fixing plate (16) is provided with a heat-insulating layer (17). The rear sealing plate (11) and the furnace door connecting plate (12) are respectively provided with a rear sealing plate transition portion (19) and a furnace door connecting plate transition portion (22). The surfaces of the rear sealing plate transition portion (19) and the furnace door connecting plate transition portion (22) are respectively provided with a rear insulation layer (20) and a furnace door insulation layer (23) used in conjunction with the insulation layer (17). The connection surface of the thermal insulation layer (17) is provided with a high-temperature sealant layer (18). The four corners of the furnace door connecting plate (12) are provided with furnace door connecting plate screw grooves (12-2); The furnace door (25) and the furnace door connecting plate (12) are fixedly assembled by furnace door bolts (27) through furnace door screw grooves (26) and furnace door connecting plate screw grooves (12-2).

2. The heat preservation structure for an automated small sintering furnace according to claim 1 is characterized in that: The heat preservation structure for the furnace body of an automated small sintering furnace also includes a plurality of groups of fixing plate connecting screw grooves (10-2) arranged in the four sides of the square through-groove hollow plate (10), and a plurality of groups of fixing plate screw grooves (16-1) respectively arranged on the other side of the fixing plate (16), and a first bolt (30) for fixing and assembling the square through-groove hollow plate (10) and the fixing plate (16) through the fixing plate connecting screw grooves (10-2) and the fixing plate screw grooves (16-1).

3. The heat preservation structure for an automated small sintering furnace according to claim 2 is characterized in that: The heat preservation structure for the furnace body of an automated small sintering furnace also includes a square through-groove hollow plate screw groove (13) arranged in the four corners of the rear end of the square through-groove hollow plate (10), a rear sealing plate screw hole (14) arranged in the four corners of the rear sealing plate (11), and a second bolt (15) for fixing and assembling the rear sealing plate (11) and the square through-groove hollow plate screw groove (13) through the rear sealing plate screw hole (14), a rear sealing plate screw groove (11-1) arranged in the rear sealing plate (11) and located at the inner layer of the rear sealing plate screw hole (14), a rear sealing plate transition portion screw groove (19-1) arranged on one side of the rear sealing plate transition portion (19), and a third bolt (21) for fixing and assembling the rear sealing plate (11) and the rear sealing plate transition portion (19) through the rear sealing plate screw groove (11-1) and the rear sealing plate transition portion screw groove (19-1).

4. The heat preservation structure for an automated small sintering furnace according to claim 3 is characterized in that: The heat preservation structure for the furnace body of an automated small sintering furnace also includes a furnace door connecting plate screw hole (12-1) arranged on the furnace door connecting plate (12) and located in the inner layer of the furnace door connecting plate screw groove (12-2), a furnace door connecting plate transition portion screw groove (22-1) arranged on one side of the furnace door connecting plate transition portion (22), and a fourth bolt (24) for fixing and assembling the furnace door connecting plate (12) and the furnace door connecting plate transition portion (22) through the furnace door connecting plate screw hole (12-1) and the furnace door connecting plate transition portion screw groove (22-1).

5. The heat preservation structure for an automated small sintering furnace according to claim 4 is characterized in that: The heat preservation structure for the furnace body of an automated small sintering furnace also includes strip grooves (28) symmetrically arranged on the inner wall of a square through-groove hollow plate (10), and strip blocks (29) respectively arranged on the other side of a fixed plate (16) and used in conjunction with the strip grooves (28).

6. The heat preservation structure for an automated small sintering furnace according to claim 1 is characterized in that: The thermal insulation layer (17), the rear thermal insulation layer (20), and the furnace door thermal insulation layer (23) include but are not limited to high temperature resistant cotton.

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