Muffle tube thermal loss deformation prevention structure of continuous bright annealing furnace

Abstract

The utility model relates to the field of anti-deformation structures, in particular to a muffle tube thermal loss deformation prevention structure of a continuous bright annealing furnace, which comprises a top ring, port blocks, an inner block, a top contact mechanism and a buckle mechanism, the port blocks are mounted at the upper end and the lower end of the top ring, and the top contact mechanism for adjusting the distance is arranged between the port blocks and the inner block. The outer side walls of the two ends of the top ring are provided with buckle mechanisms used for relatively fixing the top ring and the muffle tube. When the muffle tube needs to be subjected to anti-deformation reinforcement, the top ring is aligned with the tube opening of the tube body and is flatly placed into the end opening, the pulling plates on the two sides are oppositely pulled to drive the clamping blocks to slide towards the outer wall of the fixing rod to extrude the springs to generate potential energy, the pulling force is released after the clamping blocks are aligned with the clamping grooves, and the springs release the potential energy to push the clamping blocks to be inserted into the aligned clamping grooves; the top ring is fixed and supported, so that the muffle tube is prevented from being deformed after being heated, and the anti-deformation effect is improved.

Description

Technical Field

[0001] The utility model relates to the field of anti-deformation structures, in particular to a continuous bright annealing furnace anti-muffle tube thermal burning deformation structure. Background Art

[0002] The heating section of the vertical muffle bright annealing furnace adopts indirect heating, and the heating element suspended inside the furnace shell radiates heat to the continuously running strip through the muffle tube inside the muffle furnace. The muffle tube is a key component of the vertical muffle bright annealing furnace. It is made of nickel-based high-temperature alloy plates that are curled and welded longitudinally into single sections, and then welded with annular seams between each single section.

[0003] The existing anti-deformation structure has some shortcomings: the existing anti-deformation structure is composed of a support ring and a bolt fastener, the support ring is sleeved on the outside of the muffle tube, and is installed in the corresponding screw hole on the outer wall of the muffle tube through bolt engagement to achieve the pulling effect;

[0004] However, the diameters of the muffle tubes are of various sizes, and a muffle tube of a single size can only use a support ring of a single size. Moreover, a larger support ring requires more fixing bolts, which increases the cost and reduces the installation efficiency. Utility Model Content

[0005] The utility model aims to provide a continuous bright annealing furnace muffle tube thermal burn-deformation prevention structure, which is used to solve the problem that the muffle tube has a variety of diameter sizes, a single-sized muffle tube can only use a single-sized support ring, and the larger the size of the support ring, the more fixing bolts are required, which increases the cost and reduces the installation efficiency.

[0006] Therefore, the utility model provides a continuous bright annealing furnace muffle tube thermal burn-deformation prevention structure, including a top ring, a port block, an inner block, a top contact mechanism and a snap mechanism, the upper and lower ends of the top ring are equipped with port blocks, a top contact mechanism for adjusting the spacing is provided between the port block and the inner block, and the outer side walls at both ends of the top ring are provided with a snap mechanism for fixing it relatively to the muffle tube.

[0007] Preferably: the top contact mechanism includes a center groove and an inner groove, the inner groove is opened inside the port block, and the inner block is installed in the inner groove, a first bevel gear is installed on the inner wall at the front end of the center groove, a knob is connected to the front end of the first bevel gear, second bevel gears are installed on the inner walls on both sides of the center groove, sliding grooves are opened on the outside of both sides of the center groove, a screw is installed in the sliding groove, a telescopic plate is mounted on the outer wall of the screw, limiting grooves are opened on the front and rear sides of the inner groove, limiting plates are slidably installed in the limiting grooves, and the limiting plates are installed on the front and rear sides of the inner block.

[0008] Preferably, the buckle mechanism comprises a slot, a fixing rod is fixedly installed in the slot, a spring is sleeved on the outer wall of the fixing rod, a clamping block is sleeved on the outside of the spring, and a pull plate is connected to the front end of the clamping block.

[0009] Preferably, the first bevel gear and the second bevel gear are meshed with each other.

[0010] Preferably: the second bevel gear is connected to the screw.

[0011] Preferably, the block is connected to one end of a spring, and the other end of the spring is connected to the slotted side wall.

[0012] Preferably, the cross-sectional dimensions of the pull plate and the cross-sectional dimensions of the slots coincide with each other.

[0013] According to the utility model, when the muffle tube needs to be reinforced to prevent deformation, the top ring is aligned with the pipe opening of the tube body and placed flatly into the port, the knob is twisted to drive the first bevel gear to mesh and drive the second bevel gear to rotate, which drives the connected screw to rotate, and the meshing drives the telescopic plate to slide outward in the slide groove, and under the limiting position of the limiting plate embedded in the limiting groove, the port blocks on both sides are moved away from the inner block to the outside on both sides, so that the top ring touches the inner tube wall of the muffle tube to achieve a supporting effect, the clamping block is aligned with the clamping groove at the corresponding position of the muffle tube, and the pulling plates on both sides are pulled towards each other to drive the clamping block to slide toward the outer wall of the fixed rod to squeeze the spring to generate potential energy, and the pulling force is released after being aligned with the clamping groove, and the spring releases the potential energy to push the clamping block into the aligned clamping groove, thereby completing the fixed support of the top ring, preventing the muffle tube from deforming after being heated, and improving the anti-deformation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a top view cross-sectional view of the top contact mechanism of the utility model;

[0016] Figure 3 It is a top cross-sectional view of the buckle mechanism of the utility model.

[0017] In the figure: 1, top ring; 2, port block; 3, inner block; 401, center groove; 402, first bevel gear; 403, knob; 404, second bevel gear; 405, slide groove; 406, screw rod; 407, telescopic plate; 408, inner groove; 409, limit groove; 410, limit plate; 501, slot; 502, fixing rod; 503, spring; 504, block; 505, pull plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0019] See also Figure 1-3 The figure shows a preferred embodiment of the utility model, a continuous bright annealing furnace muffle tube thermal burn-deformation prevention structure, including a top ring 1, a port block 2, an inner block 3, a top contact mechanism and a snap mechanism. The top ring 1 is installed with port blocks 2 at the upper and lower ends, and a top contact mechanism for adjusting the spacing is provided between the port block 2 and the inner block 3. The outer side walls at both ends of the top ring 1 are provided with a snap mechanism for fixing it relatively to the muffle tube.

[0020] It should be noted that the contact mechanism and the buckle mechanism of this solution improve the anti-deformation effect.

[0021] Among them, the top contact mechanism includes a central groove 401 and an inner groove 408, the inner groove 408 is opened inside the port block 2, and the inner block 3 is installed in the inner groove 408, the first bevel gear 402 is installed on the inner wall of the front end of the central groove 401, and the front end of the first bevel gear 402 is connected to a knob 403, and the inner walls on both sides of the central groove 401 are installed with second bevel gears 404, and the outside of the central groove 401 is provided with sliding grooves 405 on both sides, and a screw 406 is installed in the sliding groove 405, and a telescopic plate 407 is mounted on the outer wall of the screw 406, and a limiting groove 409 is opened on the front and rear sides of the inner groove 408, and a limiting plate 410 is slidably installed in the limiting groove 409, and the limiting plate 410 is installed on the front and rear sides of the inner block 3.

[0022] It should be noted that this solution is easy to support effectively.

[0023] The first bevel gear 402 and the second bevel gear 404 are meshed with each other.

[0024] It should be noted that this solution supports efficient adjustment.

[0025] The second bevel gear 404 is connected to the screw rod 406 .

[0026] It should be noted that: this solution makes the spacing easier to adjust. Example 2

[0027] See also Figure 1-3The buckle mechanism includes a slot 501, a fixing rod 502 is fixedly installed in the slot 501, a spring 503 is sleeved on the outer wall of the fixing rod 502, a clamping block 504 is sleeved on the outside of the spring 503, and a pull plate 505 is connected to the front end of the clamping block 504.

[0028] It should be noted that: this solution enables the support to be fixed.

[0029] The block 504 is connected to one end of the spring 503 , and the other end of the spring 503 is connected to the side wall of the slot 501 .

[0030] It should be noted that this solution is highly efficient in fixation.

[0031] The cross-sectional dimensions of the pull plate 505 and the cross-sectional dimensions of the slot 501 are consistent with each other.

[0032] It should be noted that this solution makes the buckling process more stable.

[0033] The working process and principle of the utility model are as follows: when it is necessary to reinforce the muffle tube against deformation, the top ring 1 is aligned with the tube mouth of the tube body and placed flat into the port, the knob 403 is twisted to drive the first bevel gear 402 to mesh and drive the second bevel gear 404 to rotate, and the connected screw 406 is driven to rotate, and the meshing drives the telescopic plate 407 to slide outward in the slide groove 405, and under the limit of the limit plate 410 embedded in the limit groove 409, the port blocks 2 on both sides are moved away from the inner block 3 to the outside on both sides, so that the top ring 1 touches the inner tube wall of the muffle tube to achieve a supporting effect, and the card block 504 is aligned with the card groove at the corresponding position of the muffle tube, and the pull plates 505 on both sides are pulled toward each other to drive the card block 504 to slide toward the outer wall of the fixed rod 502 to squeeze the spring 503 to generate potential energy, and when aligned with the card groove, the pulling force is released, and the spring 503 releases the potential energy to push the card block 504 into the aligned card groove, completing the fixed support of the top ring 1, so that the muffle tube can be prevented from deformation after being heated.

[0034] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make some simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. A continuous bright annealing furnace muffle tube thermal burn-out deformation prevention structure, characterized in that: The top ring (1) comprises a top ring (1), a port block (2), an inner block (3), a top contact mechanism and a buckle mechanism, wherein the port blocks (2) are mounted on the upper and lower ends of the top ring (1), a top contact mechanism for adjusting the spacing is arranged between the port block (2) and the inner block (3), and buckle mechanisms for fixing the top ring (1) relative to the muffle tube are arranged on the outer side walls at both ends of the top ring (1).

2. The continuous bright annealing furnace muffle tube thermal burnout deformation prevention structure according to claim 1, characterized in that: The top contact mechanism comprises a central groove (401) and an inner groove (408), wherein the inner groove (408) is provided inside the port block (2), and the inner block (3) is installed in the inner groove (408), a first bevel gear (402) is installed on the inner wall at the front end of the central groove (401), and a knob (403) is connected to the front end of the first bevel gear (402), and second bevel gears (404) are installed on the inner walls at both sides of the central groove (401), and sliding grooves (405) are provided on the outside of both sides of the central groove (401), a screw rod (406) is installed in the sliding groove (405), and a telescopic plate (407) is sleeved on the outer wall of the screw rod (406), and a limiting groove (409) is provided on the front and rear sides of the inner groove (408), and a limiting plate (410) is slidably installed in the limiting groove (409), and the limiting plate (410) is installed on the front and rear sides of the inner block (3).

3. The continuous bright annealing furnace muffle tube thermal burnout deformation prevention structure according to claim 1, characterized in that: The buckle mechanism comprises a slot (501), a fixing rod (502) is fixedly installed in the slot (501), a spring (503) is sleeved on the outer wall of the fixing rod (502), a clamping block (504) is sleeved on the outside of the spring (503), and a pull plate (505) is connected to the front end of the clamping block (504).

4. The continuous bright annealing furnace muffle tube thermal burnout deformation prevention structure according to claim 2, characterized in that: The first bevel gear (402) and the second bevel gear (404) are meshed with each other.

5. The continuous bright annealing furnace muffle tube thermal burnout deformation prevention structure according to claim 2, characterized in that: The second bevel gear (404) is connected to the screw (406).

6. The continuous bright annealing furnace muffle tube thermal burnout deformation prevention structure according to claim 3, characterized in that: The clamping block (504) is connected to one end of the spring (503), and the other end of the spring (503) is connected to the side wall of the slot (501).

7. The continuous bright annealing furnace muffle tube thermal burnout deformation prevention structure according to claim 3, characterized in that: The cross-sectional dimensions of the pull plate (505) match the cross-sectional dimensions of the slot (501).

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