Shunting structure of heat treatment temperature returning table

Abstract

The utility model belongs to the technical field of heat treatment equipment, and particularly relates to a heat treatment temperature return table shunting structure which comprises a snail fan and a temperature return table, an air outlet of the snail fan is connected into a ventilation groove of the temperature return table, the air outlet discharges air in the horizontal direction, an air outlet flow guide plate is arranged at the air outlet, and the air outlet flow guide plate is connected with the snail fan. The air outlet flow guide plate is of a flat plate structure and is obliquely arranged upwards, a plurality of in-groove flow guide plates are arranged in the ventilation groove in a staggered mode, each in-groove flow guide plate is of an arc-shaped plate structure, and the in-groove flow guide plates guide air to the position above the temperature returning table from bottom to top. The shunting structure of the heat treatment temperature returning table is used for a temperature returning system after deep cooling of large heat treatment equipment, the temperature of a workpiece is minus 70 DEG C after deep cooling, the temperature of the workpiece is increased to normal temperature through the temperature returning table, and air output by the snail fan is uniformly blown to the workpiece through the staggered design of the flow guide plates, so that the workpiece is uniformly cooled, and the working efficiency is improved. And a good workpiece temperature returning effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to heat treatment equipment technical field, concretely relates to a heat treatment temperature recovery platform shunt structure. BACKGROUND

[0002] Temperature recovery is an important process in heat treatment process, and uniform control of temperature is also a difficulty of the process, and uneven temperature will affect product detection organization, and make quality decline in later use. The temperature recovery platform area of large heat treatment equipment is large, which leads to uneven internal air speed of the ventilation groove of the temperature recovery platform, and further leads to uneven product temperature change and affects product quality. SUMMARY

[0003] According to the defects of the prior art, the utility model aims at providing a heat treatment temperature recovery platform shunt structure for the temperature recovery system after deep cooling of large heat treatment equipment, to ensure uniform internal air speed of the temperature recovery platform.

[0004] To achieve the above object, the utility model adopts the technical scheme of a heat treatment temperature recovery platform shunt structure, which comprises a snail fan and a temperature recovery platform, the air outlet of the snail fan is connected to the ventilation groove of the temperature recovery platform, the air outlet blows air along the horizontal direction, an air outlet guide plate is arranged at the air outlet, the air outlet guide plate is a flat structure and is arranged upwardly inclined, a plurality of groove guide plates are arranged in the ventilation groove, the plurality of groove guide plates are arranged in a staggered manner in the ventilation groove, the groove guide plate is an arc-shaped plate structure, and the groove guide plate guides air to the upper side of the temperature recovery platform from bottom to top.

[0005] Further, the groove guide plate extends along the arc shape from the bottom horizontal part to the top vertical part, and the arc-shaped concave part is arranged towards the air outlet.

[0006] Further, the groove guide plate is three, and is arranged in a spaced manner from the air outlet to form a first groove guide plate, a second groove guide plate and a third groove guide plate, and the middle part above the first groove guide plate and the second groove guide plate is respectively provided with a flow-through opening.

[0007] Further, the first groove guide plate is arranged on the left side in the ventilation groove, the second groove guide plate is arranged on the right side in the ventilation groove, and the third groove guide plate is arranged in the middle of the ventilation groove.

[0008] Further, the air outlet is two groups, the two groups of air outlets are arranged in a spaced manner and are symmetrical along the center line of the interval distance.

[0009] Further, the air outlet is six, every three is a group, six air outlets from left to right are first air outlet, second air outlet, third air outlet, fourth air outlet, fifth air outlet and sixth air outlet, first air outlet, second air outlet and third air outlet in the first group of air outlets are adjacently arranged, fourth air outlet, fifth air outlet and sixth air outlet in the second group of air outlets are adjacently arranged, and the third air outlet and the fourth air outlet are arranged at intervals.

[0010] Further, the air outlet guide plate is two, the first air outlet guide plate is welded at the second air outlet, and the second air outlet guide plate is welded at the fifth air outlet, the first air outlet guide plate forms a 22° angle with the horizontal plane, and the second air outlet guide plate forms a 22° angle with the horizontal plane.

[0011] Further, the first air outlet is a cuboid structure, and two side edges of the first air outlet are parallel to two side edges of the ventilation groove; in the first group of air outlets, the left side of the second air outlet is connected with the right side edge of the first air outlet, and the right side edge of the second air outlet is deflected to the right by 15°; the left side of the third air outlet is connected with the right side edge of the second air outlet, and the right side edge of the third air outlet is deflected to the right by 15°.

[0012] Further, the snail fan is provided with a group of heaters at two ends.

[0013] Further, five groups of transmission roller bars for conveying the tray are arranged on the ventilation groove of the temperature recovery platform, the five groups of transmission roller bars are connected by a motor and rotate synchronously, the air outlet is six, and the three in-groove guide plates are arranged at intervals from near to far from the air outlet, the first in-groove guide plate is arranged below the second transmission roller bar, the left and right ends of the first in-groove guide plate are located on the centers of the first air outlet and the third air outlet respectively, the second in-groove guide plate is arranged below the third transmission roller bar, the left and right ends of the second in-groove guide plate are located on the centers of the fourth air outlet and the sixth air outlet respectively, the third in-groove guide plate is arranged below the middle of the fourth transmission roller bar and the fifth transmission roller bar, and the center point of the third in-groove guide plate is located on the center of the ventilation groove.

[0014] The heat treatment temperature recovery platform shunting structure of the utility model is used for the deep cooling post-recovery system of large heat treatment equipment, the temperature of the workpiece after deep cooling is-70 DEG C, the temperature of the workpiece is raised to normal temperature through the temperature recovery platform, the air output by the snail fan is uniformly blown to the workpiece through the staggered design of the guide plate, the workpiece is uniformly cooled, and the workpiece recovery effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a first direction axis drawing of the heat treatment temperature recovery platform shunting structure of the utility model;

[0016] Figure 2The second direction axis drawing of the heat treatment back temperature platform shunt structure of the utility model,

[0017] Figure 3 The schematic diagram of the in-slot guide plate structure with the flow-through port,

[0018] Figure 4 The plan view of the heat treatment back temperature platform shunt structure of the utility model,

[0019] Figure 5 The schematic diagram of the air outlet,

[0020] Figure 6 The schematic diagram of the air volume guide area,

[0021] In the figure: 1, snail fan, 2, back temperature platform, 3, ventilation slot, 4, heater, 5, first air outlet, 6, second air outlet, 7, third air outlet, 8, fourth air outlet, 9, fifth air outlet, 10, sixth air outlet, 11, first air outlet guide plate, 12, second air outlet guide plate, 13, first in-slot guide plate, 1301, first in-slot guide plate flow-through port, 14, second in-slot guide plate, 1401, second in-slot guide plate flow-through port, 15, third in-slot guide plate, 16, first transmission roller bar, 17, second transmission roller bar, 18, third transmission roller bar, 19, fourth transmission roller bar, 20, fifth transmission roller bar,

[0022] a, in-slot guide plate horizontal part, b, in-slot guide plate arc part, c, in-slot guide plate vertical part. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below in combination with the drawings. In the following description, a lot of specific details are set forth in order to fully understand the utility model. But the utility model can be implemented in many other ways different from the description, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the following disclosed specific embodiments.

[0024] Referring to the drawings, a heat treatment warm-up platform shunt structure comprises a snail fan 1 and a warm-up platform 2, the air outlet of the snail fan 1 is connected to the ventilation groove 3 of the warm-up platform, the air outlet blows air in the horizontal direction, the air outlet is provided with an air outlet guide plate, the air outlet guide plate is a flat plate structure and is arranged upwardly inclined, a plurality of in-groove guide plates are arranged in the ventilation groove, the in-groove guide plates are arranged staggered in the ventilation groove, the in-groove guide plate is an arc plate structure, the in-groove guide plate extends from the bottom in the horizontal direction to the top in the vertical direction, the concave part of the arc body is arranged towards the air outlet, and the in-groove guide plate guides the air from bottom to top to above the warm-up platform. A group of heaters are arranged at both ends of the snail fan respectively to generate heat and improve the warm-up efficiency.

[0025] Five groups of transmission roller bars for conveying the feeding tray are arranged above the ventilation groove of the warm-up platform, the five groups of transmission roller bars are connected by a motor, a chain and a gear transmission and rotate synchronously, the first transmission roller bar 16 is close to the front end side wall of the ventilation groove near the air outlet, and the fifth transmission roller bar 20 is close to the rear end side wall of the ventilation groove away from the air outlet.

[0026] The air outlet comprises six air outlets, which are divided into two groups, each group comprises three air outlets, the three air outlets in each group are adjacent to each other, and the two groups of air outlets are arranged at intervals and are symmetrical along the center line of the interval distance. The six air outlets are sequentially a first air outlet 5, a second air outlet 6, a third air outlet 7, a fourth air outlet 8, a fifth air outlet 9 and a sixth air outlet 10 from left to right, the first air outlet 5 is a rectangular parallelepiped structure, and the two side edges of the first air outlet 5 are parallel to the two side edges of the ventilation groove; in the first group of air outlets, the left side of the second air outlet 6 is connected to the right side edge of the first air outlet 5 (the left side edge of the second air outlet is the right side edge of the first air outlet), and the right side edge of the second air outlet 6 is deflected to the right by 15°; the left side of the third air outlet 7 is connected to the right side edge of the second air outlet 6, and the right side edge of the third air outlet 7 is deflected to the right by 15°. The three air outlets of the second group are arranged symmetrically with the three air outlets of the first group, that is, the left side edge and the right side edge of the fourth air outlet 8 are deflected to the left by 15°, and the two side edges of the sixth air outlet 10 are parallel to the two side edges of the ventilation groove.

[0027] The air outlet guide plate comprises two air outlet guide plates, the first air outlet guide plate 11 is welded at the second air outlet 6, the first air outlet guide plate 11 is arranged upwardly inclined at an angle of 22° with the horizontal plane, the second air outlet guide plate 12 is welded at the fifth air outlet 9, the second air outlet guide plate 12 is arranged upwardly inclined at an angle of 22° with the horizontal plane, the air outlet guide plates 11 and 12 are 200 mm long, 110 mm wide and 2 mm thick.

[0028] The three inner guide plates in the slot are spaced apart from each other according to the distance from the air outlet to form a first inner guide plate 13, a second inner guide plate 14 and a third inner guide plate 15. The three inner guide plates are all formed into a circular arc structure by rolling a steel plate. The inner guide plate has a horizontal part, an arc part and a vertical part. The inner guide plate extends from the horizontal part at the bottom to the vertical part at the top along the arc part. The inner guide plate is welded to the bottom surface of the ventilation slot through the horizontal part. The height of the upper surface of the arc part of the inner guide plate from the bottom surface of the ventilation slot is the horizontal height of the circular arc.

[0029] The first inner guide plate 13 is welded to the bottom surface of the ventilation slot below the second transmission roller 17. The first inner guide plate 13 is arranged on the left side in the ventilation slot. The left and right ends of the first inner guide plate 13 are located at the centers of the first air outlet 5 and the third air outlet 7, respectively. A first inner guide plate flow port 1301 is arranged at the middle of the upper part of the first inner guide plate 13. The first inner guide plate flow port 1301 connects the space in front of the first inner guide plate 13 with the space behind the first inner guide plate 13. The length of the first inner guide plate 13 is 620 mm, the height is 360 mm, the bottom is rolled into a circular arc with a radius R = 170 mm, the horizontal height of the circular arc is 135 mm, the opening at the center is 380 mm X 200 mm to form the first inner guide plate flow port 1301, and the first inner guide plate flow port 1301 is located on the vertical part.

[0030] The second inner guide plate 14 is arranged on the bottom surface of the ventilation slot below the third transmission roller 18. The second inner guide plate 14 is arranged on the right side in the ventilation slot. The left and right ends of the second inner guide plate 14 are located at the centers of the fourth air outlet 8 and the sixth air outlet 10, respectively. A second inner guide plate flow port 1401 is arranged at the middle of the upper part of the second inner guide plate 14. The second inner guide plate flow port 1401 connects the space in front of the second inner guide plate 14 with the space behind the second inner guide plate 14. The length of the second inner guide plate 14 is 620 mm, the height is 360 mm, the bottom is rolled into a circular arc with a radius R = 170 mm, the horizontal height of the circular arc is 135 mm, the opening at the center is 330 mm X 200 mm to form the second inner guide plate flow port 1401, and the second inner guide plate flow port 1401 is located on the vertical part.

[0031] The third inner guide plate 15 is arranged on the bottom surface of the ventilation slot below the fourth transmission roller 19 and the fifth transmission roller 20. The third inner guide plate 15 is arranged in the middle of the ventilation slot. The center point of the third inner guide plate 15 is located at the center of the ventilation slot. The length of the third inner guide plate 15 is 620 mm, the height is 340 mm, the bottom is rolled into a circular arc with a radius R = 170 mm, the horizontal height of the circular arc is 135 mm, and the center is not opened.

[0032] The air volume guide area is shown in the figure Figure 6

[0033] ​The air volume of the area A is derived from the second air outlet 6 and the first air outlet backflow plate 11;

[0034] The air volume of the area B is derived from the first air outlet 5, the second air outlet 6, the third air outlet 7 and the first air outlet backflow plate 11;

[0035] The air volume of the area C is derived from the gap between the first slot inner guide plate 13 and the equipment wall end, the flow-through opening in the middle of the first slot inner guide plate 13 and the third slot inner guide plate 15;

[0036] The air volume of the area D is derived from the inclined angle of the third air outlet 7 and the fourth air outlet 8;

[0037] The air volume of the area E is derived from the fifth air outlet 9 and the second air outlet backflow plate 12;

[0038] The air volume of the area F is derived from the fourth air outlet 8, the fifth air outlet 9, the sixth air outlet 10 and the second air outlet backflow plate 12;

[0039] The air volume of the area G is derived from the gap between the second slot inner guide plate 14 and the equipment wall end, the flow-through opening in the middle of the second slot inner guide plate 14 and the third slot inner guide plate 15;

[0040] The air volume of the area H is derived from the first air outlet 5, the second air outlet 6, the third air outlet 7, the fourth air outlet 8, the fifth air outlet 9, the sixth air outlet 10, the first air outlet backflow plate 11, the second air outlet backflow plate 12, the gap between the first slot inner guide plate 13 and the equipment wall end, the flow-through opening in the middle of the first slot inner guide plate 13, the gap between the second slot inner guide plate 14 and the equipment wall end, the flow-through opening in the middle of the second slot inner guide plate 14 and the third slot inner guide plate 15.

[0041] It should be noted that the parts not described in detail in the utility model are prior art.

[0042] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0043] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply any relative importance or any priority. Thus, a feature defined with "first", "second", etc. can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified.

[0044] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0045] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0046] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not the only implementation.

[0047] The above is only the best embodiment of the present application. Obviously, the present application is not limited to the above embodiments, and there can be many variations. All variations that can be directly derived or inferred from the content disclosed in the present application by those skilled in the art should be considered as falling within the scope of protection of the present application.

Claims

1. A heat treatment tempering station split flow structure, characterized by: The snail fan and the temperature recovery platform are provided, the air outlet of the snail fan is connected to the ventilation groove of the temperature recovery platform, the air outlet is horizontally arranged, the air outlet guide plate is arranged at the air outlet, the air outlet guide plate is a flat plate structure and is arranged upwardly, a plurality of groove guide plates are arranged in the ventilation groove, the groove guide plates are arranged staggeredly in the ventilation groove, the groove guide plate is an arc plate structure, and the groove guide plate guides the air upwardly from bottom to top.

2. The heat treatment tempering station flow splitting structure according to claim 1, characterized in that: The groove guide plate extends along the arc from the bottom horizontal part to the top vertical part, and the arc concave part is arranged toward the air outlet.

3. The heat treatment tempering station flow splitting structure according to claim 1, characterized in that: The groove guide plate is three, and the first groove guide plate, the second groove guide plate and the third groove guide plate are formed by being arranged in the order of near to far from the air outlet.

4. The heat treatment tempering station flow splitting structure according to claim 3, characterized in that: The first groove guide plate is arranged on the left side in the ventilation groove, the second groove guide plate is arranged on the right side in the ventilation groove, and the third groove guide plate is arranged in the middle of the ventilation groove.

5. The heat treatment tempering station flow splitting structure according to claim 1, characterized in that: The air outlet is two groups, and the two groups of air outlets are arranged symmetrically along the interval distance center line.

6. The heat treatment tempering station flow splitting structure according to claim 5, characterized in that: The air outlet is six, and every three is a group, the six air outlets are sequentially arranged from left to right as the first air outlet, the second air outlet, the third air outlet, the fourth air outlet, the fifth air outlet and the sixth air outlet, the first air outlet, the second air outlet and the third air outlet in the first group of air outlets are arranged adjacently, the fourth air outlet, the fifth air outlet and the sixth air outlet in the second group of air outlets are arranged adjacently, and the third air outlet and the fourth air outlet are arranged staggeredly.

7. The heat treatment tempering station flow splitting structure according to claim 6, characterized in that: The air outlet guide plate is two, the first air outlet guide plate is welded at the second air outlet, and the second air outlet guide plate is welded at the fifth air outlet; the first air outlet guide plate forms an angle of 22° with the horizontal plane, and the second air outlet guide plate forms an angle of 22° with the horizontal plane.

8. The heat treatment tempering station flow splitting structure according to claim 6, characterized in that: The first air outlet is a cuboid structure, and two side edges of the first air outlet are parallel to two side edges of the ventilation groove; in the first group of air outlets, the left side of the second air outlet is connected to the right side edge of the first air outlet, and the right side edge of the second air outlet is deflected to the right by 15°; the left side of the third air outlet is connected to the right side edge of the second air outlet, and the right side edge of the third air outlet is deflected to the right by 15°.

9. The heat treatment tempering station flow distribution structure according to any one of claims 1 to 8, characterized in that: A group of heaters is arranged at two ends of the snail fan.

10. The heat treatment tempering station flow splitting structure according to claim 1 or 2, characterized in that: Five groups of transmission roller bars for conveying the feeding tray are arranged on the ventilation groove of the temperature recovery platform, the five groups of transmission roller bars are connected by the motor transmission and rotate synchronously, the air outlet is six, and the groove guide plate is three, which are arranged in the order of near to far from the air outlet, the first groove guide plate is arranged below the second transmission roller bar, the left and right ends of the first groove guide plate are located on the centers of the first air outlet and the third air outlet respectively, the second groove guide plate is arranged below the third transmission roller bar, the left and right ends of the second groove guide plate are located on the centers of the fourth air outlet and the sixth air outlet respectively, the third groove guide plate is arranged below the middle of the fourth transmission roller bar and the fifth transmission roller bar, and the center point of the third groove guide plate is located on the center of the ventilation groove.

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