Aluminum alloy trolley furnace heating shield and use method

Abstract

The invention discloses a heating shield for an aluminum alloy trolley furnace and a method for using the heating shield, comprising a heating shield body and a closed door, wherein a lifting frame is fixedly installed at the front end of the heating shield body, the closed door is movably installed on the inner side of the lifting frame, a winch is fixedly installed on the top of the lifting frame, a lifting block is fixedly installed on the top of the closed door, and the lifting block is connected to the winch through a steel cable; a first heat-conducting component is arranged at the front end of the heat shield body, and a second heat-conducting component is arranged in the closed door; the invention, by arranging the first heat-conducting component and the second heat-conducting component, can extract the internal heat of the heating shield body after processing is completed, reduce the amount of heat released during the door opening process, avoid hot air gushing out from the opening to injure people due to the strong internal pressure, and improve the operation safety.

Description

Technical Field

[0001] The invention relates to an aluminum alloy trolley furnace heating shield and a use method thereof. Background Art

[0002] Aluminum alloy aging furnace is used for aging heat treatment of aluminum alloy castings after solution treatment. It is a special equipment used to eliminate the preheating of aluminum alloy materials after initial processing. When in use, the aluminum alloy workpiece to be treated is placed in the heating shield of the aging furnace through a trolley, the aluminum alloy heating shield is started, and the appropriate heating temperature and insulation time are set. The aluminum alloy workpiece will be heated in a high temperature environment to reach the temperature required for aging treatment. Once the workpiece reaches the set heating temperature, the temperature is maintained for a period of time to allow the precipitated phase in the alloy to be redissolved and reprecipitated to adjust the hardness and strength of the alloy. After the insulation is completed, the aluminum alloy workpiece is taken out of the aluminum alloy trolley aging furnace and naturally cooled or water quenched to stabilize the internal structure of the workpiece.

[0003] When the workpiece is taken out from the heating shield of the aluminum alloy trolley furnace, during the process of opening the furnace door, since the aging furnace is closed and the temperature difference with the outside is too large, hot air will gush out towards the furnace door after opening, which is easy to cause harm to nearby workers, resulting in insufficient safety when the trolley is taken out. Therefore, the present application provides an aluminum alloy trolley furnace heating shield and a method of use. Summary of the invention

[0004] The object of the present invention is to provide a heating shield for an aluminum alloy trolley furnace and a method of using the same to solve the problems raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a heating shield for an aluminum alloy trolley furnace, comprising a heating shield body and a closed door, a lifting frame is fixedly installed at the front end of the heating shield body, the closed door is movably installed inside the lifting frame, a winch is fixedly installed on the top of the lifting frame, a lifting block is fixedly installed on the top of the closed door, and the lifting block is connected to the winch through a steel cable;

[0006] A first heat conducting component is disposed at the front end of the heating shield body.

[0007] A second heat conducting component is disposed in the closed door.

[0008] The first heat-conducting component and the second heat-conducting component are respectively used to dissipate the residual heat inside the heating shield body after completing the processing task and to further dissipate the heat when the door is opened.

[0009] Preferably, the first heat-conducting component comprises a heat-conducting cover,

[0010] The top of the heating shield body is symmetrically provided with through grooves on both sides, and sealing plates are movably installed in the middle of the through grooves.

[0011] The top of the sealing plates on both sides are fixedly connected with pull rods respectively, the top of the pull rods passes through the through holes set on the top of the heat conductive cover, the top of the pull rods is fixedly connected with a connecting plate, the side of the connecting plate is fixedly connected with a fixing plate, the fixing plate extends horizontally to the top of the closed door, and a vertical rod is fixedly installed in the middle position of the top of the closed door, and the end of the fixing plate is connected to the vertical rod.

[0012] Preferably, an axial flow fan is fixedly mounted on the back of the heat conductive cover, and a pipeline is externally connected to the end of the axial flow fan so that the axial flow fan can exhaust air from the heat conductive cover through the pipeline.

[0013] Preferably, the end of the fixing plate away from the connecting plate is slidably sleeved on the vertical rod, and a spring is sleeved on the vertical rod and located below the fixing plate.

[0014] Preferably, the second heat-conducting component comprises a groove arranged at the bottom of the closed door, an inner groove is arranged at the upper part of the closed door, and the groove and the inner groove are connected by a plurality of connecting grooves.

[0015] Preferably, a first connecting pipe matching the inner groove is fixedly installed on the top of the closed door, a second connecting pipe is fixedly installed on the top of the heat-conducting cover, the first connecting pipe and the second connecting pipe are connected through a heat-conducting pipe, and the heat-conducting pipe is a metal elastic hose.

[0016] Preferably, a retaining ring is fixedly connected to the bottom of the through groove, and the retaining ring is used to limit the sealing plate.

[0017] Preferably, a fixing hoop is provided on the outer side of the heat conductive cover, and both ends of the fixing hoop are fixedly connected to the heating cover body by bolts.

[0018] Preferably, the top end of the vertical rod is slidably inserted into a sliding hole provided at the top end of the lifting frame.

[0019] A method for using a heating shield for an aluminum alloy trolley furnace comprises the following steps:

[0020] Step A, lifting and opening the closed door upwards by means of a winch, a steel cable and a lifting block, pushing a trolley loaded with workpieces into the interior of the heating shield body for processing, and after the processing is completed, opening the closed door and leading the trolley out;

[0021] Step B: After the processing is completed, start the axial flow fan before opening the closed door. During the opening process of the closed door, the fixed plate is pushed upward by the spring, and then the sealing plate is driven to move upward by the connecting plate and the pull rod, and then the through slot is opened. At this time, the axial flow fan generates negative pressure inside the heat conductive cover, and then the heat inside the heating shield body is discharged through the through slot, and the heat is discharged through the external pipe to avoid the heat from gushing out from the opening and hurting people due to the strong internal pressure;

[0022] Step C: Push the fixing plate, the connecting plate, the pull rod and the sealing plate upward by means of the spring. When the sealing plate contacts the top of the heat-conducting cover, the closed door can continue to move upward, and the spring is further compressed, so that the closed door can be fully opened to facilitate the entry and exit of the trolley.

[0023] Step D, when the closed door is opened, the heat inside the heating shield body will surge out from the gap opened at the bottom of the closed door, and the heat surged out from the bottom will be absorbed by the grooves, connecting grooves and inner grooves set inside the closed plate, and then the heat will be introduced into the heat conductive shield through the heat pipe. At this time, the heat can be discharged together with the axial flow fan.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. The present invention arranges a first heat-conducting component at the front end of the heating shield body to conduct heat from the inside of the heating shield body after processing is completed, thereby reducing the amount of heat released during the door opening process, avoiding the hot air from gushing out of the opening due to the strong internal pressure and injuring people, thereby improving operational safety.

[0026] 2. The present invention further improves operability and installation performance by arranging a second heat-conducting component to simultaneously absorb leaked hot air during the door opening process.

[0027] 3. The present invention provides a fixing hoop on the outside of the heat-conducting cover, which is fixedly connected to the heating cover body by bolts, thereby increasing the structural strength of the heat-conducting cover and making the heat-conducting cover more stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present invention;

[0029] Figure 2 It is a schematic diagram of a local structure of an embodiment of the present invention;

[0030] Figure 3 A partial cross-sectional view of an embodiment of the present invention;

[0031] Figure 4 For the embodiment of the present invention Figure 3 A schematic diagram of the structure enlargement at point A;

[0032] Figure 5is a schematic structural diagram of a second heat conducting component according to an embodiment of the present invention;

[0033] Figure 6 FIG. 2 is a schematic diagram of another angle of an embodiment of the present invention.

[0034] In the figure: 1. heating shield body; 2. lifting frame; 3. closing door; 4. lifting block; 5. winch; 6. first heat-conducting component; 601. heat-conducting shield; 602. axial flow fan; 603. through groove; 604. sealing plate; 605. pull rod; 606. sliding hole; 607. connecting plate; 608. fixing plate; 609. vertical rod; 610. spring; 611. retaining ring; 7. second heat-conducting component; 701. groove; 702. connecting groove; 703. inner groove; 704. first connecting pipe; 705. second connecting pipe; 706. heat-conducting pipe; 8. fixing hoop; 9. bolt. DETAILED DESCRIPTION

[0035] In order to solve the problem that when the workpiece is taken out from the heating shield of the aluminum alloy trolley furnace and the furnace door is opened, the hot air will gush out toward the furnace door after opening, which may cause harm to nearby workers and lead to unsafe conditions when the trolley is taken out, due to the large temperature difference between the aging furnace and the outside world. The present invention provides an aluminum alloy trolley furnace heating shield and a method of use. The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. Obviously, the invention described is only a part of the invention of the present invention, not all of the invention. Based on the invention in the present invention, all other inventions obtained by ordinary technicians in this field without creative labor are within the scope of protection of the present invention.

[0036] See also Figure 1-6 The present invention provides an aluminum alloy trolley furnace heating shield, comprising a heating shield body 1 and a closed door 3, a lifting frame 2 is fixedly installed at the front end of the heating shield body 1, the closed door 3 is movably installed inside the lifting frame 2, a winch 5 is fixedly installed on the top of the lifting frame 2, a hoisting block 4 is fixedly installed on the top of the closed door 3, and the hoisting block 4 is connected to the winch 5 through a steel cable;

[0037] A first heat conducting component 6 is disposed at the front end of the heating shield body 1.

[0038] A second heat conducting component 7 is disposed in the closed door 3.

[0039] The first heat-conducting component 6 and the second heat-conducting component 7 are respectively used to dissipate the residual heat inside the heating shield body 1 after completing the processing task and to further dissipate the heat when the door is opened.

[0040] Furthermore, the first heat-conducting component 6 includes a heat-conducting cover 601,

[0041] The top of the heating shield body 1 is symmetrically provided with through grooves 603 on both sides, and sealing plates 604 are movably installed in the middle of the through grooves 603.

[0042] The top of the sealing plates 604 on both sides are fixedly connected with pull rods 605 respectively, the top of the pull rods 605 passes through the through holes set at the top of the heat conductive cover 601, the top of the pull rods 605 is fixedly connected with a connecting plate 607, the side of the connecting plate 607 is fixedly connected with a fixing plate 608, the fixing plate 608 extends horizontally to the top of the closed door 3, and a vertical rod 609 is fixedly installed in the middle position of the top of the closed door 3, and the end of the fixing plate 608 is connected to the vertical rod 609.

[0043] Furthermore, an axial flow fan 602 is fixedly installed on the back of the heat conductive cover 601, and a pipeline is externally connected to the end of the axial flow fan 602 so that the axial flow fan 602 can exhaust air from the heat conductive cover 601 through the pipeline.

[0044] Furthermore, the end of the fixing plate 608 away from the connecting plate 607 is slidably sleeved on the vertical rod 609 , and a spring 610 is sleeved on the vertical rod 609 and located below the fixing plate 608 .

[0045] During operation, after the processing is completed, start the axial flow fan 602 before opening the closed door 3. During the opening process of the closed door 3, the fixing plate 608 is pushed upward by the spring 610, and then the sealing plate 604 is driven to move upward through the connecting plate 607 and the pull rod 605, and then the through slot 603 is opened. At this time, a negative pressure is generated inside the heat conductive cover 601 through the axial flow fan 602, and then the heat inside the heating shield body 1 is discharged through the through slot 603, and the heat is discharged through the external pipe to avoid the heat from gushing out from the opening and injuring people due to the strong internal pressure; when the sealing plate 604 contacts the top of the heat conductive cover 601, the closed door 3 can continue to move upward, and the spring 610 is further compressed, which will not block the movement of the closed door 3, so that the closed door 3 can be fully opened to facilitate the entry and exit of the trolley.

[0046] Further, the second heat-conducting component 7 includes a groove 701 arranged at the bottom of the closed door 3, an inner groove 703 is arranged at the upper part of the closed door 3, and the groove 701 and the inner groove 703 are connected by a plurality of connecting grooves 702;

[0047] During operation, when the closed door 3 is opened, the heat inside the heating shield body 1 will surge out from the gap opened at the bottom of the closed door 3, and the heat surging out from the bottom will be absorbed by the groove 701, the connecting groove 702 and the inner groove 703 arranged inside the closed plate, and then the heat will be introduced into the heat conductive shield 601 through the heat pipe 706. At this time, the heat can be discharged together with the axial flow fan 602, further preventing the internal heat from surging out and hurting people.

[0048] Furthermore, a first connecting pipe 704 that cooperates with the inner groove 703 is fixedly installed on the top of the closed door 3, and a second connecting pipe 705 is fixedly installed on the top of the heat-conducting cover 601. The first connecting pipe 704 and the second connecting pipe 705 are connected by a heat-conducting pipe 706, and the heat-conducting pipe 706 is a metal elastic hose; when working, the heat-conducting pipe 706 can move up and down with the closed door 3, so as to ensure the heat conduction effect and will not affect the movement of the closed door 3.

[0049] Furthermore, a retaining ring 611 is fixedly connected to the bottom of the through groove 603, and the retaining ring is used to limit the sealing plate 604; when working, the sealing plate 604 is limited by the retaining ring 611, so that the sealing plate 604 can be stably installed in the through groove 603; the bottom end of the sealing plate 604 can be completely fitted with the retaining ring 611, thereby avoiding heat loss during the heating process.

[0050] Furthermore, a fixing hoop 8 is provided on the outer side of the heat-conducting cover 601, and both ends of the fixing hoop 8 are fixedly connected to the heating cover body 1 by bolts 9; during operation, the fixing hoop 8 is provided to increase the strength of the heat-conducting cover 601, making the heat-conducting cover 601 more stable.

[0051] Furthermore, the top end of the vertical rod 609 is slidably inserted into the sliding hole 606 provided at the top end of the lifting frame 2; during operation, the vertical rod 609 can move up and down together with the closed door 3.

[0052] A method for using a heating shield for an aluminum alloy trolley furnace comprises the following steps:

[0053] Step A, lift the closed door 3 upward and open it through the winch 5, steel cable and lifting block 4, push the trolley loaded with the workpiece into the heating shield body 1 for processing, open the closed door 3 after the processing is completed, and lead the trolley out;

[0054] Step B, after the processing is completed, start the axial flow fan 602 before opening the closed door 3. During the opening process of the closed door 3, the fixing plate 608 is pushed upward by the spring 610, and then the sealing plate 604 is driven to move upward through the connecting plate 607 and the pull rod 605, and then the through slot 603 is opened. At this time, the axial flow fan 602 generates negative pressure inside the heat conductive cover 601, and then the heat inside the heating shield body 1 is discharged through the through slot 603, and the heat is discharged through the external pipe to avoid the heat from gushing out from the opening and hurting people due to the strong internal pressure;

[0055] Step C: The fixing plate 608, the connecting plate 607, the pull rod 605 and the sealing plate 604 are pushed upward by the spring 610. When the sealing plate 604 contacts the top of the heat-conducting cover 601, the closed door 3 can continue to move upward, and the spring 610 is further compressed, so that the closed door 3 can be fully opened to facilitate the entry and exit of the trolley;

[0056] Step D, when the closed door 3 is opened, the heat inside the heating shield body 1 will surge out from the gap opened at the bottom of the closed door 3, and the heat surging out from the bottom will be absorbed by the groove 701, the connecting groove 702 and the inner groove 703 set inside the closed plate, and then the heat will be introduced into the heat conductive shield 601 through the heat pipe 706. At this time, the heat can be discharged together with the axial flow fan 602.

[0057] The aluminum alloy trolley furnace heating shield and use method of the present invention have the following advantages:

[0058] By providing the first heat-conducting component 6 to conduct the internal heat of the heating shield body 1 after processing, the heat release amount during the door opening process is reduced, and the hot air from gushing out of the opening due to the high internal pressure is prevented from hurting people, thereby improving the operation safety;

[0059] By arranging the second heat-conducting component 7 to absorb the leaked hot air synchronously during the door opening process, the operability and installation performance are further improved;

[0060] By arranging a fixing hoop 8 on the outside of the heat-conducting cover 601 and fixing it to the heating cover body 1 through bolts 9, the structural strength of the heat-conducting cover 601 is increased, making the heat-conducting cover 601 more stable and reliable.

[0061] While the invention has been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made thereto without departing from the principles and spirit of the invention, the scope of the invention being defined by the appended claims and their equivalents.

Claims

1. A heating shield for an aluminum alloy trolley furnace, characterized in that: The heating shield body (1) comprises a heating shield body (1) and a closed door (3), wherein a lifting frame (2) is fixedly mounted on the front end of the heating shield body (1), the closed door (3) is movably mounted on the inner side of the lifting frame (2), a winch (5) is fixedly mounted on the top of the lifting frame (2), a lifting block (4) is fixedly mounted on the top of the closed door (3), and the lifting block (4) is connected to the winch (5) via a steel cable; A first heat-conducting component (6) is arranged at the front end of the heating shield body (1), wherein the first heat-conducting component (6) comprises a heat-conducting shield (601). Through grooves (603) are symmetrically provided on both sides of the top of the heating shield body (1), and sealing plates (604) are movably installed in the middle of the through grooves (603). The tops of the sealing plates (604) on both sides are respectively fixedly connected with pull rods (605), the tops of the pull rods (605) pass through the through holes provided at the top of the heat-conducting cover (601), the tops of the pull rods (605) are fixedly connected with connecting plates (607), the sides of the connecting plates (607) are fixedly connected with fixing plates (608), the fixing plates (608) extend transversely to the top of the closed door (3), a vertical rod (609) is fixedly installed at the middle position of the top of the closed door (3), and the ends of the fixing plates (608) are connected to the vertical rods (609); An axial flow fan (602) is fixedly mounted on the back of the heat-conducting cover (601), and a pipeline is externally connected to the end of the axial flow fan (602), so that the axial flow fan (602) can exhaust air from the heat-conducting cover (601) through the pipeline; The end of the fixing plate (608) away from the connecting plate (607) is slidably sleeved on the vertical rod (609), and a spring (610) is sleeved on the vertical rod (609) and located below the fixing plate (608); A second heat-conducting component (7) is arranged in the closed door (3), the second heat-conducting component (7) comprises a groove (701) arranged at the bottom of the closed door (3), an inner groove (703) is arranged at the top of the closed door (3), and the groove (701) and the inner groove (703) are connected via a plurality of connecting grooves (702); A first connecting pipe (704) matching the inner groove (703) is fixedly installed on the top of the closed door (3), and a second connecting pipe (705) is fixedly installed on the top of the heat-conducting cover (601); the first connecting pipe (704) and the second connecting pipe (705) are connected via a heat-conducting pipe (706), and the heat-conducting pipe (706) is a metal elastic hose; The first heat-conducting component (6) and the second heat-conducting component (7) are respectively used to dissipate residual heat inside the heating shield body (1) after completing the processing task, and to further dissipate heat when the door is opened.

2. The aluminum alloy trolley furnace heating shield according to claim 1, characterized in that: A retaining ring (611) is fixedly connected to the bottom of the through groove (603), and the retaining ring is used to limit the position of the sealing plate (604).

3. The aluminum alloy trolley furnace heating shield according to claim 2, characterized in that: A fixing hoop (8) is provided on the outside of the heat-conducting cover (601), and two ends of the fixing hoop (8) are fixedly connected to the heating cover body (1) via bolts (9).

4. The aluminum alloy trolley furnace heating shield according to claim 2, characterized in that: The top end of the vertical rod (609) is slidably inserted into a sliding hole (606) provided at the top end of the lifting frame (2).

5. A method for using a heating shield for an aluminum alloy trolley furnace according to any one of claims 1 to 4, characterized in that: The following steps are involved: Step A, lifting and opening the closed door (3) upwards by means of a winch (5), a steel cable and a lifting block (4), pushing a trolley loaded with workpieces into the interior of the heating shield body (1) for processing, and opening the closed door (3) after the processing is completed to lead the trolley out; Step B, after the processing is completed, before opening the closed door (3), the axial flow fan (602) is started. During the process of opening the closed door (3), the fixing plate (608) is pushed upward by the spring (610), and then the sealing plate (604) is driven to move upward by the connecting plate (607) and the pull rod (605), and then the through slot (603) is opened. At this time, the axial flow fan (602) generates negative pressure inside the heat-conducting cover (601), and then the heat inside the heating cover body (1) is discharged through the through slot (603), and the heat is discharged through the external pipe to prevent the heat from gushing out from the opening and injuring people due to the strong internal pressure; Step C: Push the fixing plate (608), the connecting plate (607), the pull rod (605) and the sealing plate (604) upwards by means of the spring (610); when the sealing plate (604) contacts the top of the heat-conducting cover (601), the closed door (3) can continue to move upwards, and the spring (610) is further compressed, so that the closed door (3) can be fully opened to facilitate the entry and exit of the trolley; In step D, when the closed door (3) is opened, the heat inside the heating shield body (1) will flow out from the gap opened at the bottom of the closed door (3), and the heat flowing out from the bottom will be absorbed by the groove (701), the connecting groove (702) and the inner groove (703) provided inside the closed plate, and then the heat will be introduced into the heat conductive shield (601) through the heat conductive pipe (706), and the heat can be discharged together with the axial flow fan (602).

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