Movable copper mold preheating electric heating device

Abstract

The utility model discloses a movable copper mould preheating electric heating device relates to copper mould preheating field, aims at solving the problem of uneven copper mould heating, heating device fixed leads to the need to move high temperature copper mould and forms the security risk in prior art, adopts the technical scheme, including furnace cover and furnace body, furnace cover connects on the furnace body, and the furnace cover includes the apron, and the apron is connected with the inner tube, and the inner tube has the furnace lining on, and the furnace body is equipped with the electric heating element that has evenly distributed, and the electric heating element is connected with the electrode, and the electrode is connected control device, and the control device is provided with walking structure, and the furnace cover is provided with the lifting lug, can make electric heating device convenient removal, and the previous heating device fixed, copper mould moves the copper mould fixed, heating device moves, thereby reduced the security risk in the process of transfer, avoided the heat loss in the process of transfer, more energy -conserving, and the gas combustion heating is changed into electric heating, more environmental protection.

Description

TECHNICAL FIELD

[0001] The utility model relates to copper mould preheating technical field, concretely is a movable copper mould preheating electric heating device. BACKGROUND

[0002] When the furnace body such as melting furnace, holding furnace is used, copper mould preheating in the furnace is carried out first, and then the material is put in, in the prior art, copper mould preheating is carried out by using the roasting ladle ware to preheat copper mould, but because the gas source is fixed, the position of the roasting ladle ware is also fixed, therefore in the prior art, copper mould is transported to the roasting ladle ware for preheating, after preheating is completed, is transported to the furnace body again, this mode can appear the situation of transporting high-temperature copper mould, not only exists the security risk, but also can lead to heat loss of copper mould in the process of transporting. CONTENT OF THE UTILITY MODEL

[0003] The utility model solves the technical problem of overcoming the defects in the prior art, and provides a movable copper mould preheating electric heating device, which can effectively solve the problems in the background art.

[0004] In order to achieve the above-mentioned purpose, the utility model discloses a movable copper mould preheating electric heating device, adopts the technical scheme, including furnace cover and furnace body, the furnace cover is connected on the furnace body, the furnace cover includes cover plate, the inner tube is connected on the cover plate, the furnace lining has below the cover plate, the furnace lining is divided into two parts, is connected with the inner tube, the upper part is the main structure of the furnace cover, the lower part is the main structure of the furnace body, the furnace body is equipped with the electric heating element that is evenly distributed, the electric heating element is connected with the electrode, the movable copper mould preheating electric heating device is also equipped with temperature sensor, temperature sensor, electric heating element electric connection control device, passes through control device and carries out the electric heating of electric heating element, can realize the uniform heat release of electric heating element, thereby realizes the uniform preheating of copper mould, the walking structure is set up on the control device, can make electric heating device convenient to move, the heating device fixed, copper mould moves of the previous heating device is replaced by copper mould fixed, heating device moves, thereby reduces the security risk in the process of transporting, avoids the heat loss in the process of transporting, is more energy-saving, changes gas combustion heating to electric heating, is more environmental protection.

[0005] As a preferred technical scheme of the utility model, the cover plate has a side wall around, and the upper part of the furnace lining is in the side wall, there is a ceramic fiber blanket between the cover plate and the upper part of the furnace lining, which can form a better covering effect on the furnace lining in the furnace cover.

[0006] As a preferred technical scheme of the utility model, the cover plate top surface is connected with the upper cover through a steel structure, the upper cover is provided with lifting lugs, the electric heating device can be lifted by a lifting device such as a travelling crane, thereby facilitating transfer.

[0007] As a preferred technical scheme of the utility model, the electric heating element is a high-temperature resistance band which is fixed to the lower part of the furnace lining through a fixing member.

[0008] As a preferred technical scheme of the utility model, the fixing member is a high-aluminum ceramic nail which can fix the high-temperature resistance band and has an insulating effect, thereby being safe and reliable.

[0009] As a preferred technical scheme of the utility model, the furnace lining is a ceramic fiber block.

[0010] As a preferred technical scheme of the utility model, the electric heating element is divided into an upper heating member and a lower heating member, the upper heating member is connected with a first electrode, the lower heating member is connected with a second electrode, two groups of electrodes heat two groups of heating members, thereby making the electric heating element heat more uniformly.

[0011] As a preferred technical scheme of the utility model, the first electrode is arranged outside the furnace body, the second electrode passes through the inner tube, and the wiring ends of the first electrode and the second electrode are arranged on the cover plate, thereby facilitating power connection.

[0012] As a preferred technical scheme of the utility model, a side electrode perforation is formed in the inner tube, the second electrode passes through the side electrode perforation, thereby facilitating arrangement of the second electrode; a positioning plate is further arranged on the inner tube, a positioning hole is formed in the positioning plate, and the second electrode passes through the positioning hole, thereby facilitating positioning of the second electrode.

[0013] As a preferred technical scheme of the utility model, the bottom surface of the furnace body is provided with a bottom heating member, a second bottom electrode perforation is formed in the positioning plate, and the power connection member of the bottom heating member passes through the second bottom electrode perforation and the inner tube and passes out of the cover plate to be electrically connected with the control device. The bottom heating member can make the bottom of the copper mold also heat uniformly.

[0014] Compared with the prior art, the utility model has the advantages that: the utility model discloses a furnace lining is connected on the inner tube to form a heat insulation layer, and electric heating elements are evenly arranged on the furnace lining, so that the copper mold can be evenly electrically heated, and the utility model is more energy-saving and environment-friendly, the copper mold can be evenly heated, and the copper mold is not easy to burst, a walking structure is arranged on the control device, and an ear is arranged on the electric heating device, so that the electric heating device can be moved, the copper mold is not moved, and the electric heating device is moved, thereby reducing the safety hazard in the transfer process and avoiding heat loss in the transfer process.

[0015] Further, by setting the electric heating device as two groups of upper and lower groups, and setting a bottom surface heating element on the bottom surface of the furnace body, the electric heating device can heat the copper mold more evenly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the utility model;

[0017] Figure 2 It is a structure schematic view of the utility model without temperature sensor;

[0018] Figure 3 It is a structure schematic view of the utility model without electrode;

[0019] Figure 4 It is a structure schematic view of the utility model A-A section;

[0020] Figure 5 It is a structure schematic view of the utility model B place amplification;

[0021] Figure 6 It is a structure schematic view of the utility model inner tube; Figure 1 ;

[0022] Figure 7 It is a structure schematic view of the utility model inner tube; Figure 2 ;

[0023] Figure 8 It is a structure schematic view of the utility model C-C section;

[0024] Figure 9 It is a structure schematic view of the utility model positioning plate;

[0025] Figure 10 It is a structure schematic view of the utility model placed on the support state;

[0026] Figure 11 It is a structure schematic view of the utility model to melt furnace copper mold heating state;

[0027] Figure 12 It is the heating state schematic view of the heat preservation furnace copper mold of the utility model.

[0028] In the drawing: 1, steel structure; 2, temperature sensor; 3, furnace lining; 4, electric heating element; 5, support; 6, bottom heating piece; 7, pipe clamp; 8, fixing piece; 9, first electrode; 10, second electrode; 11, lifting lug; 12, inner tube; 1201, side electrode perforation; 1202, hand hole; 1203, first bottom electrode perforation; 13, positioning plate; 1301, positioning hole; 1302, second bottom electrode perforation; 14, melting furnace copper mold; 15, heat preservation furnace copper mold; 100, furnace cover; 101, cover plate; 102, side wall; 103, upper cover; 200, furnace body. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. Embodiment 1

[0030] As shown in the drawing, Figures 1 to 12 The utility model discloses a movable copper mold preheating electric heating device, adopts the technical scheme, including furnace cover 100, furnace cover 100 includes cover plate 101, and cover plate 101 is circular annular stainless steel plate, and its outer ring surface is connected with stainless steel side wall 102, and inner ring surface is welded with inner tube 12, and inner tube 12 is stainless steel pipe, and furnace lining 3 is installed on inner tube 12, and furnace lining 3 adopts ceramic fiber module, and ceramic fiber blanket is lined between furnace lining 3 and cover plate 101. Furnace lining 3 includes upper and lower two parts, and the outer diameter of the upper part is greater than the outer diameter of the lower part, and the furnace lining 3 of the upper part forms the main body of furnace cover 100, and is arranged in the cover-shaped structure formed by cover plate 101 and side wall 102, and the furnace lining 3 of the lower part forms furnace body 200. In order to realize the uniform heating of copper mold, electric heating element 4 is installed on furnace body 200 using fixing piece 8, and electric heating element 4 adopts high-temperature resistance band, and fixing piece 8 adopts high-aluminum ceramic nail, which can fix high-temperature resistance band while avoiding self-conduction, improving safety.

[0031] As shown in the drawing, Figure 1 , Figure 2 , Figure 4As shown, the high-temperature resistance band is connected with the electrode, in order to make the electric heating element 4 heat more evenly from top to bottom, it is divided into an upper heating element and a lower heating element, and the electrode is also divided into a first electrode 9 and a second electrode 10, the upper heating element is connected with the first electrode 9, and the lower heating element is connected with the second electrode 10, the first electrode 9 and the second electrode 10 both adopt a stainless steel electrode core, in order to improve safety, a high-aluminum ceramic tube is sleeved outside the stainless steel electrode core. In order to facilitate the connection of the electrode, the first electrode 9 is arranged on the outside of the furnace body 200, and the second electrode 10 is arranged on the inside of the furnace body 200, the first electrode 9 and the second electrode 10 each have three, which are a live electrode, a zero electrode and a grounding electrode, the three electrodes are arranged in a ring array, the second electrode 10 passes through the inner tube 12 and extends upward from the inner tube 12, the first electrode 9 and the second electrode 10 both pass through the cover plate 101 and are connected with the wiring end, the cover plate 101 is provided with an epoxy resin insulating bakelite seat for positioning the first electrode 9 and the second electrode 10, and the wiring end is also provided with a wiring cover.

[0032] As shown in the figure, Figures 6 to 9 The lower side of the inner tube 12 is provided with a side electrode perforation 1201, the second electrode 10 passes through the side electrode perforation 1201, in order to facilitate the fixing of the second electrode 10 after passing through, a positioning plate 13 is connected to the inner tube 12, the positioning plate 13 divides the inner tube 12 into an upper tube and a lower tube, a positioning hole 1301 is arranged in a ring array on the positioning plate 13, the second electrode 10 passes through the positioning hole 1301, and the diameter of the positioning hole 1301 matches the outer diameter of the high-aluminum ceramic tube of the second electrode 10; a hand hole 1202 is also arranged on the sidewall of the lower tube of the inner tube 12, which facilitates the insertion of the hand into the inner tube 12, assists the installation of the second electrode 10, and facilitates the welding of the joint between the second electrode 10 and the side electrode perforation 1201.

[0033] Considering that the electric heating elements 4 of the furnace body 200 are arranged on the side of the furnace body 200, uneven heating may still occur on the inner bottom surface of the copper mold, a bottom heating element 6 is also arranged on the bottom surface of the furnace body 200 through a bolt, the bottom heating element 6 adopts an LCD type track type ceramic heater, in order to facilitate its power supply, a first bottom electrode perforation 1203 is also arranged on the sidewall of the lower tube of the inner tube 12, and a second bottom electrode perforation 1302 is arranged at the center of the positioning plate 13, the wiring of the bottom heating element 6 passes through the first bottom electrode perforation 1203 into the inner tube 12, extends upward along the inner tube 12, passes through the second bottom electrode perforation 1302, and continues to extend upward and out of the inner tube 12 from above.

[0034] In order to facilitate the monitoring of the heating condition of the copper mold, a temperature sensor 2 is also installed, as shown in the figure, Figure 1 , Figure 3 , Figure 4 , Figure 5As shown, the top surface of the cover plate 101 is provided with a fixing pipe, and the fixing pipe is provided with locking bolts. The outer wall of the inner pipe 12 is provided with a pipe clamp 7. The junction box of the temperature sensor 2 is left above the cover plate 101. The protection pipe passes through the fixing pipe and the pipe clamp 7 and is locked and positioned by the locking bolts. The temperature sensor 2 is arranged in an annular array, and the hot resistance sensing end of the three temperature sensors 2 extends from the side of the furnace body 200 and is located at the upper part, the middle part and the lower part, respectively, so as to detect the temperature conditions of different points in the copper mold. A control device is arranged. The microprocessor in the control device is electrically connected with the first electrode 9, the second electrode 10, the wires of the bottom heating element 6 and the temperature sensor 2, so as to accurately control the heating condition.

[0035] In order to facilitate the transfer of the electric heating device, a steel structure 1 is arranged above the cover plate 101. The upper cover 103 is connected through the steel structure 1. The lifting lugs 11 are arranged on the upper cover 103. The electric heating device can be lifted and transported by the travelling crane. A transfer trolley is also arranged. The control device is arranged on the transfer trolley. The support 5 is also arranged on the transfer trolley. The electric heating device can be placed on the support 5. The state of the electric heating device on the support 5 is as shown in Figure 10 .

[0036] In the processing process, in order to facilitate the installation of the first electrode 9, the second electrode 10 and the temperature sensor 2, the three are first installed on the inner pipe 12. Then, the ceramic fiber blanket and the inner liner are arranged. After the electric heating element 4 and the fixing element 8 are installed, the steel structure 1 and the upper cover 103 are welded.

[0037] The state of the electric heating device is as shown in Figure 11 . The state of the electric heating device is as shown in Figure 12 .

[0038] The working principle of the electric heating device is as follows:

[0039] The transfer trolley is pushed to the side of the furnace where the copper mold to be preheated is located. The first electrode 9, the second electrode 10 and the bottom heating element 6 are connected with the control cable of the control device by using the bundled strain clamp.

[0040] The lifting lugs 11 are hooked by the travelling crane. The electric heating device is lifted from the support 5 by the travelling crane and is placed into the copper mold. The control device supplies power to the electric heating element 4 and the bottom heating element 6 to make them heat. The copper mold is uniformly preheated. After the preheating is completed, the power supply is stopped. The electric heating device is lifted by the travelling crane and is placed back on the support 5. At the same time, the copper mold is fed.

[0041] The circuit and mechanical connection involved in the electric heating device are common means adopted by those skilled in the art. Technical inspiration can be obtained through a limited number of tests. It belongs to the public knowledge. The bottom heating element 6 and the bundled strain clamp used in the electric heating device are products that can be purchased on the market and belong to the prior art.

[0042] Components not specifically described herein are of the prior art.

[0043] While the embodiments of the present application have been shown and described, it is to be understood that the embodiments can be varied, modified, substituted and changed by those skilled in the art without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A movable copper mold preheating electric heating device, comprising a furnace cover (100) and a furnace body (200), the furnace cover (100) is connected on the furnace body (200), characterized in that: The furnace cover (100) includes a cover plate (101), the cover plate (101) is connected with an inner tube (12), the cover plate (101) is below a furnace lining (3), the furnace lining (3) is divided into two parts, and the two parts are connected with the inner tube (12), the upper part is the main structure of the furnace cover (100), and the lower part is the main structure of the furnace body (200); The furnace body (200) is provided with uniformly distributed electric heating elements (4), and the electric heating elements (4) are connected with electrodes; The movable copper mold preheating electric heating device is also provided with a temperature sensor (2), and the temperature sensor (2) and the electric heating elements (4) are electrically connected with a control device; The control device is provided with a walking structure.

2. The portable copper mold preheating electric heating device according to claim 1, characterized in that: The cover plate (101) has a side wall (102), and the upper part of the furnace lining (3) is in the side wall (102); The cover plate (101) and the upper part of the furnace lining (3) are provided with a ceramic fiber blanket.

3. A portable copper mould preheating electric heating device according to claim 1 or 2, characterised in that: The top surface of the cover plate (101) is connected with an upper cover (103) through a steel structure (1), and the upper cover (103) is provided with lifting lugs (11).

4. The portable copper mold preheating electric heating device of claim 1, wherein: The electric heating element (4) is a high-temperature resistance band, which is fixed on the lower part of the furnace lining (3) through a fixing piece (8).

5. The portable copper mold preheating electric heating device of claim 4, wherein: The fixing piece (8) is a high-aluminum ceramic nail.

6. The portable electric copper mold preheating device according to any one of claims 1, 2, 4, wherein: The furnace lining (3) is a ceramic fiber block.

7. The portable copper mold preheating electric heating device according to claim 1 or 4, characterized in that: The electric heating element (4) is divided into an upper heating element and a lower heating element, the upper heating element is connected with a first electrode (9), and the lower heating element is connected with a second electrode (10).

8. The portable copper mold preheating electric heating device of claim 7, wherein: The first electrode (9) is arranged on the outer side of the furnace body (200), the second electrode (10) penetrates out of the inner tube (12), and the wiring ends of the first electrode (9) and the second electrode (10) are arranged on the cover plate (101).

9. The portable copper mold preheating electric heating device of claim 8, wherein: The inner tube (12) is provided with a side electrode perforation (1201), and the second electrode (10) penetrates through the side electrode perforation (1201); The inner tube (12) is also provided with a positioning plate (13), the positioning plate (13) is provided with a positioning hole (1301), and the second electrode (10) penetrates through the positioning hole (1301).

10. The portable copper mold preheating electric heating device of claim 9, wherein: The bottom surface of the furnace body (200) is provided with a bottom heating element (6), the positioning plate (13) is provided with a second bottom electrode perforation (1302), and the power connection part of the bottom heating element (6) penetrates through the second bottom electrode perforation (1302) and the inner tube (12) and penetrates out of the cover plate (101).

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