Split type heating mantle

Abstract

The split type heating cover comprises a preheating cover and a heat collecting cover, the preheating cover is horizontally arranged in the front-back direction, the heat collecting cover is obliquely arranged on the rear side of the preheating cover in a front-high and rear-low mode, the front side, the rear side and the lower side of the preheating cover are open, the front side and the lower side of the heat collecting cover are open, and the rear side edge of the preheating cover is hinged to the front side edge of the heat collecting cover through a hinge. Smoke exhaust ducts are arranged on the left side and the right side in the preheating cover in the front-back direction respectively, a plurality of heating pipes are installed between the two smoke exhaust ducts and in the heat collecting cover at intervals in the front-back direction, smoke inlets are formed in the connecting positions of the heating pipes and the smoke exhaust ducts, and smoke exhaust ports are formed in the left front side and the right front side of the preheating cover respectively. The two smoke exhaust ports are respectively communicated with the two smoke exhaust ducts, and are connected with a main smoke exhaust pipe of the foaming furnace through hoses. According to the utility model, the time for pulling out the head is short, the idle time can be reduced, the flue gas escape condition is avoided, and the fire accidents are avoided.

Description

Technical Field

[0001] The utility model relates to the field of PVC calendered artificial leather production, in particular to a split heating cover. Background Art

[0002] In order to meet the needs of customers for PVC calendered artificial leather patterns, after the artificial leather is foamed in the foaming furnace, it is necessary to use a vacuum pattern suction device on the foaming furnace production line to suck the pattern. Before the artificial leather comes out of the foaming furnace to absorb the pattern, a heating cover must be set up to heat the surface layer of the artificial leather (PVC adhesive layer) to melt it before the full pattern can be sucked out. Traditional heating covers have the following disadvantages:

[0003] 1) The heating cover is an integral type. Since the outlet of the heating cover hooks downward, in order to facilitate the manual peeling of artificial leather from the needle plate, the heating cover needs to be raised by about 0.7-0.8 meters as a whole, so that the upper body of the human body can be inserted under the heating cover to manually dig out the head. After the digging is completed, the heating cover falls as a whole. Due to the long stroke, it takes a long time, which is useless work time;

[0004] 2) Artificial leather will produce some oil smoke when heated by the heating tube of the heating hood, and the heating hood covers the artificial leather, so the oil smoke cannot be effectively and timely discharged in an organized manner. Although a smoke collection hood is installed above the heating hood at the outlet of the foaming furnace, oxygen escape may occur.

[0005] In view of the above drawbacks, the utility model provides a split heating cover. Utility Model Content

[0006] The purpose of the utility model is to provide a split heating cover. The utility model takes a short time for the head removal operation, can reduce useless working hours, avoid the occurrence of smoke escape, and avoid the occurrence of fire accidents.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] The split heating hood comprises a preheating hood and a heat collecting hood. The preheating hood is horizontally arranged along the front-to-back direction. The heat collecting hood is tilted and arranged at the rear side of the preheating hood with the front higher and the rear lower. The front, rear and lower sides of the preheating hood are open. The front and lower sides of the heat collecting hood are open. The rear side of the preheating hood is hinged to the front side of the heat collecting hood through hinges. Smoke exhaust ducts are respectively arranged on the left and right sides of the preheating hood along the front-to-back direction. A plurality of heating pipes are installed between the two smoke exhaust ducts and in the heat collecting hood at intervals. A smoke inlet is arranged at the connection between the heating pipe and the smoke exhaust duct. Smoke exhaust ducts are respectively arranged on the left front side and the right front side of the preheating hood. The two smoke exhaust ducts are respectively connected to the two smoke exhaust ducts, and the smoke exhaust duct is connected to the main smoke exhaust pipe of the foaming furnace through a hose.

[0009] Two sliding blocks spaced apart from each other are fixedly mounted on the left and right sides of the preheating cover respectively, and first spherical lifting ears are fixedly mounted on the middle parts of the left and right sides of the preheating cover.

[0010] The left rear side and the right rear side of the top of the heat collecting cover are both fixedly installed with second spherical lifting ears, and the center line of the second spherical lifting ears is tilted so that it is higher in the front and lower in the rear.

[0011] The front sides of the left and right plates of the heat collecting cover are respectively covered on the left and right sides of the rear end of the preheating cover;

[0012] A group of temperature measuring probes are respectively arranged at the front and rear sides of the middle part of the top plate of the preheating cover and at the outlet of the heat collecting cover.

[0013] Insulation plates are arranged on the left and right sides inside the preheating hood and the heat collecting hood along the front-to-back direction. The insulation plate on the left side inside the preheating hood is fixed to the right side of the left smoke exhaust duct, and the insulation plate on the right side inside the preheating hood is fixed to the left side of the right smoke exhaust duct. The left end of the heating pipe installed between the two smoke exhaust ducts passes through the insulation plate connected to the left smoke exhaust duct and the right side plate of the left smoke exhaust duct, and the right end of the heating pipe installed between the two smoke exhaust ducts passes through the insulation plate connected to the right smoke exhaust duct and the left side plate of the right smoke exhaust duct. The right side plate of the left smoke exhaust duct and the insulation plate thereon are provided on the upper side of the connection with the heating pipe, and the left side plate of the right smoke exhaust duct and the insulation plate thereon are provided on the upper side of the connection with the heating pipe. The air vents are the smoke inlets.

[0014] The utility model also includes a cold air blowing pipe, which is circumferentially fixed to the left side of the interior of the split heating cover and the right side of the insulation board on the left side, the rear side of the interior of the split heating cover and the right side of the insulation board on the right side. One end of the cold air blowing pipe is blocked, and the other end of the cold air blowing pipe is connected to a compressed air interface. A blowing solenoid valve is provided at the compressed air interface, and a plurality of blowing ports are evenly spaced on the cold air blowing pipe.

[0015] The utility model has substantial characteristics and progress compared with the prior art. Specifically, when the split heating cover of the utility model is in the working position, the split heating cover covers the top of the guide roller group at the foaming furnace outlet and is close to the guide roller group at the foaming furnace outlet, and each heating tube heats the surface layer of the artificial leather, wherein the oil smoke generated by the heating enters the two exhaust air ducts through each air vent, and then is discharged to the main exhaust pipe of the foaming furnace through the exhaust air port and the hose, thereby preventing the smoke from escaping.

[0016] When the temperature detected by the temperature measuring probe on the top of the heat collecting cover reaches the fire alarm temperature (the highest artificial leather surface temperature + 10°C), the split heating cover will be quickly raised. At the same time, the air blowing solenoid valve will open, and the compressed air will enter the cold air blowing pipe through the compressed air interface, and then the high-temperature gas in the preheating cover and the heat collecting cover will be blown away and cooled through various air blowing ports to prevent fire.

[0017] When the head is being dug out, the split heating hood is moved up, and the heat collecting hood can also be flipped up to a certain angle when moving up. In this way, compared with the traditional heating hood, there is no need to move up a long distance. After the head is dug out, the falling distance can be shortened, the time is short, and useless working hours are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a left view of the utility model.

[0019] Figure 2 It is a bottom view of the utility model, which only illustrates one heating tube.

[0020] Figure 3 It is a structural schematic diagram of the connection between the heating pipe and the smoke exhaust duct of the utility model. DETAILED DESCRIPTION

[0021] The embodiments of the present utility model are further described below in conjunction with the accompanying drawings.

[0022] like Figure 1-3 As shown, the split heating hood includes a preheating hood 4 and a heat collecting hood 5. The preheating hood 4 is horizontally arranged along the front-to-back direction, and the heat collecting hood 5 is tilted and arranged at the rear side of the preheating hood 4 with the front higher and the rear lower. The front, rear and lower sides of the preheating hood 4 are open, and the front and lower sides of the heat collecting hood 5 are open. The rear side of the preheating hood 4 is hinged to the front side of the heat collecting hood 5 by hinges 6. Smoke exhaust ducts 2 are respectively arranged on the left and right sides of the preheating hood 4 along the front-to-back direction, and a plurality of heating pipes 7 are installed at intervals between the two smoke exhaust ducts 2 and in the heat collecting hood 5. A smoke inlet 8 is arranged at the connection between the heating pipe 7 and the smoke exhaust duct 2. Smoke exhaust ducts 3 are respectively arranged on the left front side and the right front side of the preheating hood 4. The two smoke exhaust ducts 2 are respectively connected to the two smoke exhaust ducts 2, and the smoke exhaust duct 3 is connected to the main smoke exhaust pipe of the foaming furnace through a hose.

[0023] Two sliding blocks 16 spaced apart from each other are fixedly mounted on the left and right sides of the preheating cover 4 , respectively. A first spherical lifting ear 17 is fixedly mounted on the middle of the left and right sides of the preheating cover 4 .

[0024] The second spherical lifting ears 20 are fixedly mounted on the left rear side and the right rear side of the top of the heat collecting cover 5 , and the center line of the second spherical lifting ears 20 is tilted so that it is higher in the front and lower in the back.

[0025] The front sides of the left and right plates of the heat collecting cover 5 are respectively covered on the left and right sides of the rear end of the preheating cover 4 (to ensure the sealing between the preheating cover 4 and the centralized heating cover 5 during operation to prevent smoke from escaping);

[0026] A group of temperature measuring probes 28 are respectively arranged at the front and rear sides of the middle part of the top plate of the preheating cover 4 and at the outlet of the heat collecting cover 5 .

[0027] Insulation plates 29 are provided on the left and right sides inside the preheating hood 4 and the heat collecting hood 5 along the front-to-back direction. The insulation plate 29 on the left side inside the preheating hood 4 is fixed to the right side of the left smoke exhaust duct 2, and the insulation plate 29 on the right side inside the preheating hood 4 is fixed to the left side of the right smoke exhaust duct 2. The left end of the heating pipe 7 installed between the two smoke exhaust ducts 2 passes through the insulation plate 29 on the left smoke exhaust duct 2 and the right side plate of the left smoke exhaust duct 2. The right end of the heating pipe 7 installed between the two smoke exhaust ducts 2 passes through the insulation plate 29 on the right smoke exhaust duct 2 and the left side plate of the right smoke exhaust duct 2. The right side plate of the left smoke exhaust duct 2 and the insulation plate 29 thereon are provided on the upper side of the connection with the heating pipe 7, and the left side plate of the right smoke exhaust duct 2 and the insulation plate 29 thereon are provided on the upper side of the connection with the heating pipe 7. The ventilation holes are the aforementioned smoke inlet 8.

[0028] The utility model also includes a cold air blowing pipe 30, which is circumferentially fixed to the left side of the interior of the split heating cover and the right side of the insulation plate 29 located on the left side, the inner rear side of the split heating cover and the right side of the interior of the split heating cover and the left side of the insulation plate 29 located on the right side. One end of the cold air blowing pipe 30 is blocked, and the other end of the cold air blowing pipe 30 is connected to a compressed air interface 31. A blowing solenoid valve (not shown) is provided at the compressed air interface 31, and a plurality of blowing ports 32 are evenly spaced on the cold air blowing pipe 30.

[0029] The heating tube 7, the temperature measuring probe 28, the insulation plate 29 and the air blowing solenoid valve are all conventional devices, and their specific structures and working principles are not described in detail. The control part in the utility model is a conventional control technology and does not involve a new computer program.

[0030] When the split heating cover of the utility model is in the working position, the split heating cover covers the top of the foaming furnace outlet guide roller group 1 and is close to the foaming furnace outlet guide roller group 1, and each heating tube 7 heats the artificial leather surface layer, wherein the oil smoke generated by the heating enters the two smoke exhaust ducts 2 through each air vent, and then is discharged to the main smoke exhaust pipe of the foaming furnace through the smoke exhaust port 3 and the hose, so as to avoid smoke escape. When the temperature detected by the temperature measuring probe 28 on the top of the heat collecting cover 5 reaches the fire alarm temperature (the highest artificial leather surface temperature + 10°C), the split heating cover is quickly raised, and at the same time, the air blowing solenoid valve is opened, and the compressed air enters the cold air blowing pipe 30 through the compressed air interface 31, and then the high-temperature gas in the preheating cover 4 and the heat collecting cover 5 is blown away and cooled through each air blowing port 32 to prevent fire.

[0031] When the head is being dug, the split heating cover is moved upward, and the heat collecting cover 5 can also be turned upward at a certain angle when moving upward. In this way, compared with the traditional heating cover, there is no need to move up a long distance. After the head is dug, the falling distance can be shortened, the time is short, and useless working hours are reduced.

[0032] The above embodiments are only used to illustrate rather than limit the technical solutions of the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art should understand that the present invention can still be modified or replaced by equivalents. Any modification or partial replacement that does not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

1. Split heating hood, characterized by: It includes a preheating hood and a heat collecting hood. The preheating hood is horizontally arranged along the front-to-back direction. The heat collecting hood is tilted and arranged on the rear side of the preheating hood with the front higher and the rear lower. The front, rear and lower sides of the preheating hood are open. The front and lower sides of the heat collecting hood are open. The rear side of the preheating hood is hinged to the front side of the heat collecting hood through hinges. Smoke exhaust ducts are respectively arranged on the left and right sides of the preheating hood along the front-to-back direction. A number of heating pipes are installed between the two smoke exhaust ducts and in the heat collecting hood at front-to-back intervals. A smoke inlet is arranged at the connection between the heating pipe and the smoke exhaust duct. Smoke exhaust ports are respectively arranged on the left front side and the right front side of the preheating hood. The two smoke exhaust ports are respectively connected to the two smoke exhaust ducts, and the smoke exhaust ports are connected to the main smoke exhaust pipe of the foaming furnace through a hose.

2. The split heating hood according to claim 1, characterized in that: Two sliding blocks spaced apart from each other are fixedly mounted on the left and right sides of the preheating cover respectively, and first spherical lifting ears are fixedly mounted on the middle parts of the left and right sides of the preheating cover.

3. The split heating hood according to claim 1, characterized in that: The left rear side and the right rear side of the top of the heat collecting cover are both fixedly installed with second spherical lifting ears, and the center line of the second spherical lifting ears is tilted so that it is higher in the front and lower in the rear.

4. The split heating hood according to claim 1, characterized in that: The front sides of the left and right plates of the heat collecting cover are respectively covered on the left and right sides of the rear end of the preheating cover; A group of temperature measuring probes are respectively arranged at the front and rear sides of the middle part of the top plate of the preheating cover and at the outlet of the heat collecting cover.

5. The split heating hood according to claim 1, characterized in that: Insulation plates are arranged on the left and right sides inside the preheating hood and the heat collecting hood along the front-to-back direction. The insulation plate on the left side inside the preheating hood is fixed to the right side of the left smoke exhaust duct, and the insulation plate on the right side inside the preheating hood is fixed to the left side of the right smoke exhaust duct. The left end of the heating pipe installed between the two smoke exhaust ducts passes through the insulation plate connected to the left smoke exhaust duct and the right side plate of the left smoke exhaust duct, and the right end of the heating pipe installed between the two smoke exhaust ducts passes through the insulation plate connected to the right smoke exhaust duct and the left side plate of the right smoke exhaust duct. The right side plate of the left smoke exhaust duct and the insulation plate thereon are provided on the upper side of the connection with the heating pipe, and the left side plate of the right smoke exhaust duct and the insulation plate thereon are provided on the upper side of the connection with the heating pipe. The air vents are the smoke inlets.

6. The split heating hood according to claim 1, characterized in that: The cold air blowing pipe is also included, which is circumferentially fixed to the left side of the interior of the split heating hood and the right side of the insulation board on the left side, the inner rear side of the split heating hood and the right side of the interior of the split heating hood and the left side of the insulation board on the right side. One end of the cold air blowing pipe is blocked, and the other end of the cold air blowing pipe is connected to a compressed air interface. A blowing solenoid valve is provided at the compressed air interface, and a plurality of blowing ports are evenly spaced on the cold air blowing pipe.

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