Electric converter convenient for dismounting positioning nails

Abstract

The utility model discloses an electric converter convenient for dismounting a positioning nail, and relates to the technical field of electric converters, according to the electric converter body steel structure convenient for dismounting the positioning nail, the inner side of the converter body steel structure is annularly provided with an insulating brick, and one side, far away from the converter body steel structure, of the insulating brick is respectively provided with the positioning nail and a furnace wall heating pipe; meanwhile, the furnace wall heating pipes are attached and fixed to the insulating bricks through positioning nails; a right-angle hook and a threaded rod are arranged at the two ends of the positioning nail respectively, and a threaded hole is formed in the side face of the insulating brick and is in threaded fit with the threaded rod at the end of the positioning nail, so that the positioning nail is convenient to disassemble and replace; according to the utility model, the threaded hole is formed in the insulating brick and is matched with the threaded rod at the end part of the positioning nail to realize threaded connection between the positioning nail and the insulating brick, so that the positioning nail is convenient to disassemble and replace, and the replacement time is saved.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of electric converters, in particular to an electric converter which is convenient for disassembly of positioning pins. Background Art

[0002] The electric converter is used to heat the workpiece during heat treatment. The electric converter will install heating tubes on the inside of the furnace wall to heat the workpiece.

[0003] However, it was found during use that the side heating assembly would only heat the side of the workpiece, causing the side of the workpiece to quickly turn red, while the bottom of the workpiece would not turn red, resulting in uneven temperature in the furnace, thus affecting the processing quality of the workpiece;

[0004] At the same time, the heating tubes on the furnace wall of the traditional electric converter are installed by positioning nails, and the positioning nails are embedded in the gaps of the insulation bricks after being fixed by steel bars before installing the insulation bricks. After embedding, the steel bars and positioning nails cannot be removed. Therefore, when replacing the positioning nails, it is necessary to remove the insulation bricks and then disassemble and replace them, which results in a long replacement time. Utility Model Content

[0005] The utility model aims to provide an electric converter which is easy to disassemble the positioning nails. A threaded hole is opened on the insulation brick, and a threaded rod at the end of the positioning nail is used to realize the threaded connection between the positioning nail and the insulation brick, so that the positioning nail can be easily disassembled and replaced, saving replacement time.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An electric converter that is easy to remove positioning nails, comprising a furnace body steel structure, wherein the inner side of the furnace body steel structure is provided with insulation bricks in a ring shape, and the insulation bricks are respectively provided with positioning nails and furnace wall heating pipes on the side away from the furnace body steel structure, and the furnace wall heating pipes are fixed to the insulation bricks by the positioning nails;

[0008] The two ends of the positioning nail are respectively provided with a right-angle hook and a threaded rod, and the side of the insulation brick is provided with a threaded hole, which is threadably matched with the threaded rod at the end of the positioning nail;

[0009] The positioning nails are provided with two groups, the two groups of positioning nails are distributed in a ring shape on the inner side of the furnace body steel structure, and the two groups of positioning nails are symmetrically arranged.

[0010] As a further technical solution of the utility model, a pin gear is arranged at the bottom of the furnace steel structure, and a bottom bracket is arranged between the pin gear and the bottom support. There are multiple bottom brackets, and the bottom brackets are evenly distributed in a ring shape under the pin gear.

[0011] As a further technical solution of the utility model, the bottom bracket includes a fixing seat and a tugboat, wherein the fixing seat is fixedly connected to the bottom support, brackets are symmetrically fixed on the fixing seat, and both ends of the tugboat are connected to the brackets through bearings.

[0012] As a further technical solution of the utility model, a rotating component is fixed on the bottom support, and the rotating component is movably connected to the steel structure of the furnace body.

[0013] As a further technical solution of the utility model, heating tube positioning bricks are also arranged on the inner side of the furnace body steel structure, and the heating tube positioning bricks are fixedly connected to the insulation bricks.

[0014] As a further technical solution of the utility model, a thermocouple is further arranged on the upper part of the furnace body steel structure, and the lower part of the thermocouple penetrates to the inner side of the furnace body steel structure.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model opens a threaded hole on the surface of the insulation brick, and then the end of the positioning nail is threadedly connected to the side of the insulation brick, which is convenient for replacing the positioning nail. The disassembly type only needs to rotate the positioning nail, and the positioning nail can be removed and replaced through the threaded fit at the connection;

[0017] 2. In the utility model, the tug wheel fits with the lower surface of the pin gear, and when the pin gear rotates, the tug wheel will rotate along with the pin gear, so as to support the lower part of the furnace bottom and ensure the normal rotation of the pin gear;

[0018] 3. The utility model places the heating tube inside the groove, which is convenient for heating the bottom of the workpiece, and cooperates with the furnace wall heating tube to make the temperature inside the furnace more uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is the front view of the utility model.

[0020] Figure 2 This utility model Figure 1 sectional view of .

[0021] Figure 3 This utility model Figure 1 Half-section top view.

[0022] Figure 4 It is a structural schematic diagram of the positioning pin in the utility model.

[0023] Figure 5 It is a three-dimensional structural schematic diagram of the bottom bracket in the utility model.

[0024] Figure 6It is a three-dimensional structural schematic diagram of the pin gear in the utility model.

[0025] Figure 7 It is a three-dimensional structural schematic diagram of the heating tube positioning brick in the utility model.

[0026] In the figure:

[0027] Furnace body steel structure 1, thermocouple 2, furnace door 3, bottom support 4, pin gear 5, bottom bracket 6, fixing seat 61, bracket 62, tugboat 63, rotating component 7, heating tube positioning brick 8, groove 81, positioning nail 9, furnace wall heating tube 10. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] like Figure 1 As shown, the embodiment of the utility model provides an electric converter that is easy to remove the positioning nails, including a furnace body steel structure 1, the inner side of the furnace body steel structure 1 is provided with insulation bricks in a ring shape, and the insulation bricks are respectively provided with positioning nails 9 and furnace wall heating pipes 10 on the side away from the furnace body steel structure 1, and the furnace wall heating pipes 10 are fixed to the insulation bricks by the positioning nails 9;

[0030] The two ends of the positioning nail 9 are respectively provided with a right-angle hook and a threaded rod, and the side of the insulation brick is provided with a threaded hole, which is threadedly matched with the threaded rod at the end of the positioning nail 9;

[0031] The positioning nails 9 are provided in two groups, and the two groups of positioning nails 9 are distributed in a ring shape on the inner side of the furnace body steel structure 1, and the two groups of positioning nails 9 are symmetrically arranged.

[0032] In this embodiment, a pin gear 5 is provided at the bottom of the furnace steel structure 1 , and a bottom bracket 6 is provided between the pin gear 5 and the bottom support 4 . A plurality of bottom brackets 6 are provided and are evenly distributed in a ring shape at the bottom of the pin gear 5 .

[0033] In this embodiment, the bottom bracket 6 includes a fixing seat 61 and a tug 63, wherein the fixing seat 61 is fixedly connected to the bottom support 4, a bracket 62 is symmetrically fixed on the fixing seat 61, and both ends of the tug 63 are connected to the bracket 62 through bearings.

[0034] In this embodiment, a rotating component 7 is fixed on the bottom support 4 , and the rotating component 7 is movably connected to the furnace body steel structure 1 .

[0035] In this embodiment, a heating tube positioning brick 8 is further provided on the inner side of the furnace body steel structure 1, and the heating tube positioning brick 8 is fixedly connected to the insulation brick.

[0036] In this embodiment, a thermocouple 2 is further provided on the upper portion of the furnace body steel structure 1 , and the lower portion of the thermocouple 2 penetrates to the inner side of the furnace body steel structure 1 .

[0037] By adopting the above technical solution, a threaded hole is opened on the insulation brick, and the threaded rod at the end of the positioning nail 9 is used to realize the threaded connection between the positioning nail 9 and the insulation brick, which is convenient for disassembly and replacement of the positioning nail 9, saving replacement time; the heating tube is positioned by the groove 81 opened on the heating tube positioning brick 8, and the heating tube laid at the bottom can make the temperature in the furnace more uniform.

[0038] A rib plate is provided between the furnace body steel structure 1 and the pin gear 5 , and the rib plate is integrally provided with the bottom of the furnace body steel structure 1 , and the other side of the rib plate is fixedly connected with the pin gear 5 .

[0039] In this embodiment, a flange is integrally provided at the center of the rib plate, and a support shaft is fixed on the flange. The support shaft passes through the inner side of the rotating component 7, and the support shaft and the inner side of the rotating component 7 are movably connected via a bearing.

[0040] In this embodiment, a driving motor with an output shaft facing downward is fixed on the bottom support 4, and a pulley is fixed to the end of the output shaft of the driving motor via a flat key. There are two pulleys, and the other pulley is fixed to the end of the support shaft via a flat key.

[0041] In this embodiment, a groove 81 is provided on the side of the heating pipe positioning brick 8 away from the contact with the insulation brick to position the heating pipe installed on the inner side of the furnace body steel structure 1 and cooperate with the furnace wall heating pipe 10 to ensure uniform temperature in the furnace.

[0042] In this embodiment, the tug wheel 63 is in contact with the lower surface of the pin gear 5 , and when the pin gear 5 rotates, the tug wheel 63 rotates along with the pin gear 5 .

[0043] In this embodiment, a furnace door 3 is provided at the end of the furnace body steel structure 1, and one end of the furnace door 3 is movably connected to the furnace body steel structure 1 through a pin, and the other end of the furnace door 3 is fixedly connected through bolts.

[0044] The working principle of the utility model is: when in use, first lay the insulation bricks on the inner side of the furnace body steel structure 1, then lay the insulation bricks on the inner side of the furnace wall of the furnace body steel structure 1, and open threaded holes on the surface of the insulation bricks, then thread the end of the positioning nail 9 to the side of the insulation brick, and then fix the furnace wall heating pipe 10 in an S shape around the end of the positioning nail 9. The furnace wall heating pipe 10 can heat the side of the workpiece, and the thermocouple 2 extending to the inner side of the furnace body steel structure 1 can measure the temperature in the furnace. Then fix the heating pipe positioning brick 8 to the insulation brick laid at the bottom of the furnace body steel structure 1, and place the heating pipe on the inner side of the groove 81. The heating pipe arranged at the bottom of the furnace body steel structure 1 can heat the bottom of the workpiece to ensure that the temperature in the furnace is evenly distributed.

[0045] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0046] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An electric converter that is easy to remove positioning pins, characterized in that: include A furnace body steel structure (1), wherein the inner side of the furnace body steel structure (1) is provided with heat-insulating bricks in a ring shape, and the heat-insulating bricks are provided with positioning nails (9) and furnace wall heating pipes (10) on the side away from the furnace body steel structure (1), and the furnace wall heating pipes (10) are fixed to the heat-insulating bricks by the positioning nails (9); The two ends of the positioning nail (9) are respectively provided with a right-angle hook and a threaded rod, and the side of the insulation brick is provided with a threaded hole, which is threadably matched with the threaded rod at the end of the positioning nail (9); The positioning nails (9) are provided in two groups, the two groups of positioning nails (9) are distributed in a ring shape on the inner side of the furnace body steel structure (1), and the two groups of positioning nails (9) are symmetrically arranged.

2. The electric converter for facilitating the removal of positioning pins according to claim 1, characterized in that: A pin gear (5) is provided at the bottom of the furnace body steel structure (1), and a bottom bracket (6) is provided between the pin gear (5) and the bottom support (4). A plurality of bottom brackets (6) are provided, and the bottom brackets (6) are evenly distributed in a ring shape at the bottom of the pin gear (5).

3. The electric converter for facilitating the removal of positioning pins according to claim 2, characterized in that: The bottom bracket (6) comprises a fixing seat (61) and a tug wheel (63), wherein the fixing seat (61) is fixedly connected to the bottom support (4), a bracket (62) is symmetrically fixed on the fixing seat (61), and two ends of the tug wheel (63) are connected to the bracket (62) via bearings.

4. The electric converter for facilitating the removal of positioning pins according to claim 2, characterized in that: A rotating component (7) is fixed on the bottom support (4), and the rotating component (7) is movably connected to the furnace body steel structure (1).

5. The electric converter for facilitating the removal of positioning pins according to claim 1, characterized in that: A heating tube positioning brick (8) is also provided on the inner side of the furnace body steel structure (1), and the heating tube positioning brick (8) is fixedly connected to the insulation brick.

6. The electric converter for facilitating the removal of positioning pins according to claim 1, characterized in that: A thermocouple (2) is also arranged on the upper part of the furnace body steel structure (1), and the lower part of the thermocouple (2) penetrates to the inner side of the furnace body steel structure (1).

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