High-temperature heating insulation structure of bottom-mounted high-temperature vacuum furnace

Abstract

The utility model relates to the technical field of bottom-mounted high-temperature vacuum furnaces, in particular to a high-temperature heating insulation structure of a bottom-mounted high-temperature vacuum furnace, which comprises a base, a furnace body is fixedly mounted above the base, insulation cotton is laid on the outer side of the furnace body, and the insulation cotton is formed by compounding a graphite felt outer thermal insulation layer, a resin thermal insulation layer and a ceramic fiber thermal insulation layer. A replacement structure is arranged on the side wall of the furnace body and comprises conical rods evenly and fixedly connected to the side wall of the furnace body, a mounting plate is fixedly connected to the side wall of the base, two rectangular strips are fixedly connected to the surface of the mounting plate, and pull strips are slidably connected to the side walls of the two rectangular strips. And a plurality of arc-shaped thorns are uniformly and fixedly connected to the surface of the side wall of the brace. According to the utility model, through the arrangement of the replacement structure, the tensioning and fixing work of the insulating cotton on the outer side of the furnace body is facilitated, the phenomenon that the aged insulating cotton is inconvenient to replace due to the traditional fixation is avoided, and the replacement efficiency of the insulating cotton is improved to a certain extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to bottom high temperature vacuum furnace technical field especially relates to a bottom high temperature vacuum furnace high temperature heating insulation structure. BACKGROUND

[0002] Bottom high temperature vacuum furnace is a kind of material processing equipment under high temperature and vacuum environment, the inside of hearth is pumped by vacuum pump set, removes air and other gas therein, forms vacuum environment, vacuum pump set is usually by mechanical pump, diffusion pump, molecular pump and different types of vacuum pump composition, according to the vacuum degree required, selects appropriate pump combination and pumping sequence.

[0003] The existing related technology, there is often the following defects: in the process of using bottom high temperature vacuum furnace, high temperature heating insulation cotton is often set, however, high temperature heating insulation cotton often exists aging phenomenon in the process of using, will reduce the insulation performance in the process of using bottom high temperature vacuum furnace, however, the traditional way of replacing high temperature heating insulation cotton is to use glue to bond or use screw to fix, the high temperature heating insulation cotton replaced after glue bonding is easy to leave bottom glue, and the way of screw fixing is easy to cause the phenomenon that high temperature heating insulation cotton is loose in the process of installation, and the replacement work of high temperature heating insulation cotton is not easy.

[0004] Therefore, the utility model provides a bottom high temperature vacuum furnace high temperature heating insulation structure. INVENTION CONTENTS

[0005] The utility model discloses a bottom high temperature vacuum furnace high temperature heating insulation structure, which solves the problem of inconvenient replacement of aging high temperature heating insulation cotton in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a bottom high temperature vacuum furnace high temperature heating insulation structure, comprising a base, a furnace body is fixedly installed above the base, an insulation cotton is laid on the outer side of the furnace body, the insulation cotton is composed of a graphite felt outer insulation layer, a resin insulation layer and a ceramic fiber insulation layer, a replacement structure is provided on the side wall of the furnace body, the replacement structure comprises a taper rod fixedly connected to the side wall of the furnace body, an installation plate is fixedly connected to the side wall of the base, two rectangular bars are fixedly connected to the surface of the installation plate, a pull strip is slidingly connected to the side wall of the two rectangular bars, and a plurality of arc-shaped spikes are fixedly connected to the side wall surface of the pull strip.

[0007] The above-mentioned components achieve the following effects: by setting the replacement structure, the tightening and fixing work of the insulation cotton on the outer side of the furnace body is facilitated, the phenomenon of inconvenient replacement of aging insulation cotton by the traditional fixing method is avoided, and the replacement efficiency of the insulation cotton is improved to a certain extent.

[0008] Preferably, the side walls of the insulating cotton are uniformly provided with a plurality of long strip structure reserved holes.

[0009] The effect achieved by the above component is that the long strip structure reserved holes facilitate the pulling work of the insulating cotton.

[0010] Preferably, the inside of the pull rod is threadedly connected with a driving rod, and the driving rod is rotationally connected with the inside of the mounting plate.

[0011] The effect achieved by the above component is that the driving rod drives the pull rod to move outside the rectangular rod, thereby achieving the tensioning and fixing work of the insulating cotton outside the furnace body.

[0012] Preferably, the upper side of the furnace body is provided with a protection structure, the protection structure comprises a positioning plate fixedly connected to the upper end of the furnace body, a limiting rod fixedly connected to the surface of the positioning plate, and a protection strip slidingly connected to the side wall of the limiting rod.

[0013] The effect achieved by the above component is that the protection structure facilitates the flexible shielding work of the row of conical rods, and further improves the safety of using the device.

[0014] Preferably, the end side of the limiting rod is fixedly connected with a connecting block, the inside of the connecting block is threadedly connected with a screw rod, and the inside of the screw rod is rotationally connected with the protection strip.

[0015] The effect achieved by the above component is that rotating the screw rod drives the protection strip to move closer to the conical rod.

[0016] Preferably, the surface of the protection strip is provided with a receiving groove.

[0017] The effect achieved by the above component is that the receiving groove on the protection strip is sleeved outside the row of conical rods, thereby avoiding the phenomenon of the conical rod injuring the personnel.

[0018] In summary:

[0019] 1. In the utility model, the driving rod drives the pull rod to move outside the rectangular rod, thereby achieving the effect of limiting the moving direction of the pull rod, the long strip structure reserved holes facilitate the pulling work of the insulating cotton, the replacement structure facilitates the tensioning and fixing work of the insulating cotton outside the furnace body, avoids the phenomenon that the traditional fixing is inconvenient for replacing the aging insulating cotton, and improves the replacement efficiency of the insulating cotton to a certain extent.

[0020] 2. In this utility model, the storage groove on the protective strip will fit over the outside of the row of cone rods, avoiding the cone rods from causing puncture injuries to personnel. In addition, the protective strip can effectively press the insulating cotton and the furnace body opening, further improving the tightness of the insulating cotton wrapping the outside of the furnace body. By setting the protective structure, it is convenient to flexibly block the row of cone rods, further improving the safety of using the device. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a schematic diagram of the protective strip in this utility model;

[0023] Figure 3 In this utility model Figure 1 Enlarged view of point A;

[0024] Figure 4 In this utility model Figure 1 Enlarged view of point B;

[0025] Figure 5 In this utility model Figure 2 A partial structural diagram.

[0026] Legend: 1. Base; 2. Furnace body; 3. Insulating cotton; 4. Replacement structure; 41. Pull bar; 42. Arc-shaped spike; 43. Conical rod; 44. Reserved hole; 45. Drive rod; 46. Rectangular strip; 47. Mounting plate; 5. Protective structure; 51. Protective strip; 52. Limiting rod; 53. Positioning plate; 54. Screw; 55. Connecting block; 56. Storage slot. Detailed Implementation

[0027] Reference Figure 1 As shown, this utility model provides a technical solution: a high-temperature heating insulation structure for a bottom-mounted high-temperature vacuum furnace, including a base 1, a furnace body 2 fixedly installed on the top of the base 1, an insulating cotton 3 laid on the outside of the furnace body 2, the insulating cotton 3 being composed of a graphite felt outer insulation layer, a resin insulation layer and a ceramic fiber insulation layer, a replacement structure 4 provided on the side wall of the furnace body 2, and a protective structure 5 provided on the upper side of the furnace body 2.

[0028] The following section will explain the specific design and function of the replacement structure 4 and the protective structure 5.

[0029] Reference Figures 1-4As shown, in the embodiment: the replacement structure 4 comprises a taper rod 43 fixedly connected to the side wall of the furnace body 2, the side wall of the base 1 is fixedly connected with a mounting plate 47, the surface of the mounting plate 47 is fixedly connected with two rectangular strips 46, the side wall of the two rectangular strips 46 is slidably connected with a stay 41, and the side wall surface of the stay 41 is fixedly connected with a plurality of arc-shaped spikes 42. By arranging the replacement structure 4, the tensioning and fixing work of the outer side insulating cotton 3 of the furnace body 2 is facilitated, and the phenomenon that the traditional fixing method is inconvenient for replacing the aging insulating cotton 3 is avoided, and the replacement efficiency of the insulating cotton 3 is improved to a certain extent. The side wall of the insulating cotton 3 is uniformly provided with a plurality of long strip structure reserve holes 44. By arranging the long strip structure reserve hole 44, the pulling work of the insulating cotton 3 is facilitated. The inside of the stay 41 is threadedly connected with a driving rod 45, and the inside of the driving rod 45 is rotatably connected with the mounting plate 47. The driving rod 45 drives the stay 41 to move outside the rectangular strip 46, which can realize the tensioning and fixing work of the insulating cotton 3 outside the furnace body 2.

[0030] Referring to Figures 1-2 and Figure 5 As shown, specifically, the protection structure 5 comprises a positioning plate 53 fixedly connected to the upper end of the furnace body 2, the surface of the positioning plate 53 is fixedly connected with a limiting rod 52, and the side wall of the limiting rod 52 is slidably connected with a protection strip 51. By arranging the protection structure 5, the flexible shielding work of the row of taper rods 43 is facilitated, and the safety of using the device is further improved.

[0031] The end side of the limiting rod 52 is fixedly connected with a connecting block 55, the inside of the connecting block 55 is threadedly connected with a screw rod 54, and the inside of the screw rod 54 is rotatably connected with the protection strip 51. By rotating the screw rod 54, the screw rod 54 drives the protection strip 51 to move to the side close to the taper rod 43. The surface of the protection strip 51 is provided with a receiving groove 56. The receiving groove 56 on the protection strip 51 is sleeved outside the row of taper rods 43, which avoids the phenomenon that the taper rod 43 causes injury to the personnel.

[0032] When the aged high-temperature heating insulation cotton 3 needs to be replaced, the one side of the insulation cotton 3 is sleeved on the surface of the taper rod 43, the preliminary fixing work of the one side of the insulation cotton 3 can be realized, at this time, the insulation cotton 3 can be pulled, the insulation cotton 3 is wrapped outside the furnace body 2, the long strip structure reserved hole 44 of the insulation cotton 3 is sleeved on the surface of the taper rod 43, the other side of the insulation cotton 3 is sleeved outside the arc-shaped thorn 42, at this time, the driving rod 45 is rotated, the driving rod 45 drives the stay 41 to move outside the rectangular strip 46, at this time, the tensioning and fixing work of the insulation cotton 3 outside the furnace body 2 can be realized, the long strip structure reserved hole 44 is arranged, the pulling work of the insulation cotton 3 is facilitated, the replacement structure 4 is arranged, the tensioning and fixing work of the insulation cotton 3 outside the furnace body 2 is facilitated, the phenomenon that the aged insulation cotton 3 is inconvenient to replace in the prior art is avoided, and the replacement efficiency of the insulation cotton 3 is improved to a certain extent.

[0033] After the insulation cotton 3 is replaced, the screw rod 54 is rotated, the screw rod 54 drives the protection strip 51 to move towards the side close to the taper rod 43, at this time, the receiving groove 56 on the protection strip 51 is sleeved outside the row of taper rods 43, the phenomenon that the taper rod 43 causes the personnel to be pricked is avoided, the protection strip 51 is arranged, the compression work of the insulation cotton 3 and the opening position of the furnace body 2 can be effectively realized, the tightness that the insulation cotton 3 wraps outside the furnace body 2 is further improved, the protection structure 5 is arranged, the flexible shielding work of the row of taper rods 43 is facilitated, and the safety of using the device is further improved.

[0034] In the description of the present application, it should be explained that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

Claims

1. A high temperature heating insulation structure for a floor loaded high temperature vacuum furnace comprising a floor (1), characterised in that: The upper side of the base (1) is fixedly installed with a furnace body (2), the outer side of the furnace body (2) is paved with insulating cotton (3), the insulating cotton (3) is composed of a graphite felt outer thermal insulation layer, a resin thermal insulation layer and a ceramic fiber thermal insulation layer, the side wall of the furnace body (2) is provided with a replacement structure (4), the replacement structure (4) comprises a taper rod (43) uniformly and fixedly connected to the side wall of the furnace body (2), the side wall of the base (1) is fixedly connected with a mounting plate (47), the surface of the mounting plate (47) is fixedly connected with two rectangular strips (46), the side walls of the two rectangular strips (46) are slidably connected with a brace (41), the side wall surfaces of the brace (41) are uniformly fixedly connected with a plurality of arc-shaped spikes (42).

2. A high temperature vacuum furnace high temperature heating insulation structure of the bottom loading type according to claim 1, characterized in that: The side wall of the insulating cotton (3) is uniformly provided with a plurality of long strip structure reserved holes (44).

3. A bottom loading high temperature vacuum furnace high temperature heating insulation structure as claimed in claim 1, wherein: The inside of the brace (41) is threadedly connected with a driving rod (45), and the inside of the driving rod (45) is rotatably connected with the mounting plate (47).

4. A bottom loading high temperature vacuum furnace high temperature heating insulation structure as claimed in claim 1, wherein: The upper side of the furnace body (2) is provided with a protection structure (5), the protection structure (5) comprises a positioning plate (53) fixedly connected to the upper end of the furnace body (2), the surface of the positioning plate (53) is fixedly connected with a limiting rod (52), and the side wall of the limiting rod (52) is slidably connected with a protection strip (51).

5. A high temperature vacuum furnace high temperature heating insulation structure of the floor loading type according to claim 4, characterized in that: The end side of the limiting rod (52) is fixedly connected with a connecting block (55), the inside of the connecting block (55) is threadedly connected with a screw rod (54), and the inside of the screw rod (54) is rotatably connected with the protection strip (51).

6. A bottom loading high temperature vacuum furnace high temperature heating insulation structure as claimed in claim 4, wherein: The surface of the protection strip (51) is provided with a receiving groove (56).

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