JP4855785B2 - Pottery kiln door structure - Google Patents

Pottery kiln door structure Download PDF

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JP4855785B2
JP4855785B2 JP2006012924A JP2006012924A JP4855785B2 JP 4855785 B2 JP4855785 B2 JP 4855785B2 JP 2006012924 A JP2006012924 A JP 2006012924A JP 2006012924 A JP2006012924 A JP 2006012924A JP 4855785 B2 JP4855785 B2 JP 4855785B2
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door
firing furnace
temperature control
control device
electric heater
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JP2007192514A (en
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基 栗城
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Nidec Shimpo Corp
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Description

本発明は、陶芸作品を焼成する陶芸窯において、焼成炉の開口部を開閉する扉の構造に関する。   The present invention relates to a door structure for opening and closing an opening of a firing furnace in a ceramic pottery for firing a ceramic work.

従来、陶芸作品を収納して焼成する焼成炉と、焼成炉の内壁及び扉の内壁に沿って配設され、通電によって発熱し焼成炉内の温度を上昇させる電気ヒータと、焼成炉の開口部を開閉する扉と、焼成炉内の温度を制御する温度制御装置とを備え、焼成炉の外面に温度制御装置を配設した陶芸窯が知られている。   Conventionally, a firing furnace that houses and fires ceramic works, an electric heater that is disposed along the inner wall of the firing furnace and the inner wall of the door, generates heat when energized, and raises the temperature in the firing furnace, and an opening of the firing furnace There is known a pottery kiln that includes a door for opening and closing the door and a temperature control device for controlling the temperature in the firing furnace, and the temperature control device is disposed on the outer surface of the firing furnace.

また、前記の陶芸窯において、温度制御装置が扉内に埋設されて、温度制御装置の操作部が扉の表面から露出するように構成されているものがある（例えば、特許文献１参照）。
特開２００５−６０１８６号公報 In addition, in the ceramic pottery, there is a structure in which a temperature control device is embedded in a door and an operation unit of the temperature control device is exposed from the surface of the door (for example, see Patent Document 1).
JP-A-2005-60186

特許文献１に記載の陶芸窯によれば、一般に、温度制御装置及び扉の内壁に装着された電気ヒータ等のメンテナンスを行う際に、扉を分解して扉の内部を開放したり分解した扉を組み立てたりする作業を必要とし、その作業が煩雑であって改善の余地があった。   According to the pottery kiln described in Patent Document 1, in general, when performing maintenance of a temperature control device and an electric heater mounted on the inner wall of the door, the door is disassembled to open or disassemble the door. As a result, the work is complicated and there is room for improvement.

そこで、本発明は、扉に装着された温度制御装置や電気ヒータのメンテナンスを行う際に、扉の内部を容易に開放できると共に開放した扉の閉鎖が容易であって、作業性を向上できる陶芸窯の扉の構造を提供することを目的とする。   Accordingly, the present invention is a ceramic art that can easily open the inside of the door and easily close the opened door to improve workability when performing maintenance of the temperature control device and electric heater attached to the door. The purpose is to provide the structure of the kiln door.

かかる目的を達成するためになされた請求項１に記載の発明は、陶芸作品を出し入れする開口部を備えた焼成炉と、前記焼成炉の開口部を開閉する扉と、前記焼成炉の内壁及び前記扉の内壁に沿って装着され、該焼成炉内の温度を上昇させる電気ヒータと、前記電気ヒータを介して前記焼成炉内の温度を制御する温度制御装置と、を備え、前記扉が、厚み方向の内方に位置する第一の扉と外方に位置する第二の扉とによって構成され、前記第一の扉の内壁に沿って前記電気ヒータが装着されると共に、前記第二の扉に前記温度制御装置が装着され、前記第一の扉及び前記第二の扉が、夫々の一端が共通の支軸を介して回動自在に係合し、夫々の他端が互いに着脱自在に構成されていることを特徴とする。   The invention according to claim 1, which has been made to achieve the above object, includes a firing furnace having an opening for putting in and out a ceramic work, a door for opening and closing the opening of the firing furnace, an inner wall of the firing furnace, An electric heater mounted along the inner wall of the door and raising the temperature in the firing furnace, and a temperature control device for controlling the temperature in the firing furnace via the electric heater, the door comprising: A first door positioned inward in the thickness direction and a second door positioned outward; the electric heater is mounted along the inner wall of the first door; and the second door The temperature control device is mounted on the door, and the first door and the second door are engaged with each other through a common spindle so that the other ends can be attached to and detached from each other. It is comprised by these.

請求項１に記載の扉の構造によれば、扉が、厚み方向の内方に位置する第一の扉と外方に位置する第二の扉とによって構成され、第一の扉の内壁に沿って電気ヒータが装着されると共に、第二の扉に温度制御装置が装着され、前記第一の扉及び前記第二の扉が、夫々の一端が共通の支軸を介して回動自在に係合し、夫々の他端が互いに着脱自在に構成されているので、第一の扉と第二の扉の他端側を係止して支軸を中心に一体に回動させ、炉本体の開口部を開閉できると共に、第一の扉と第二の扉との間を容易に開放したり閉鎖したりすることができ、温度制御装置や電気ヒータのメンテナンスを行う際の作業性を向上できる。   According to the structure of the door according to claim 1, the door is constituted by the first door positioned inward in the thickness direction and the second door positioned outward, and on the inner wall of the first door. An electric heater is mounted along the second door, and a temperature control device is mounted on the second door so that the first door and the second door can be rotated at one end via a common support shaft. Since the other ends are configured to be detachable from each other, the other end sides of the first door and the second door are locked and rotated integrally around the support shaft. Can be opened and closed, and the first and second doors can be easily opened and closed, improving workability when maintaining the temperature controller and electric heater. it can.

つまり、本発明の扉の構造は、メンテナンスを行う際には、第一の扉及び第二の扉の一端側を支軸に係合したままで、両扉の他端側の係止を解除してこの支軸を軸に他端側を開放させ、メンテナンスを終えた後には、両扉の他端側を閉鎖して固定すればよいので、メンテナンスを容易にできる。   In other words, the door structure according to the present invention releases the lock on the other end side of both doors while maintaining one end side of the first door and the second door with the support shaft when performing maintenance. Then, after the other end side is opened with the support shaft as a shaft and the maintenance is completed, the other end side of both doors may be closed and fixed, so that the maintenance can be facilitated.

また、請求項１に記載の陶芸窯の扉の構造は、請求項２に記載の発明のように、前記第二の扉が、前記第一の扉の外面を覆うように箱形に形成され、前記温度制御装置が、前記第二の扉内に収納されてその操作部が該第二の扉の表面から露出するように構成されていることにより、扉の厚み方向のサイズを小形化できると共に、第二の扉内に温度制御装置や電気配線を収納するスペースを構成できてメンテナンスを容易にできる。   Moreover, the structure of the door of the ceramic pottery of Claim 1 is formed in a box shape so that said 2nd door may cover the outer surface of said 1st door like invention of Claim 2. The temperature control device is housed in the second door and its operation part is exposed from the surface of the second door, whereby the size of the door in the thickness direction can be reduced. In addition, a space for storing the temperature control device and the electrical wiring can be configured in the second door, and maintenance can be facilitated.

また、請求項２に記載の陶芸窯の扉の構造は、請求項３に記載の発明のように、前記第一の扉が断熱材で形成され、該第一の扉の外周と前記第二の扉の内周との間に間隙が構成されていることにより、焼成炉内からの放熱と第二の扉の温度上昇を抑制できる。   Moreover, the structure of the door of the pottery kiln according to claim 2 is the same as the invention according to claim 3, wherein the first door is formed of a heat insulating material, and the outer periphery of the first door and the second door By forming a gap between the inner periphery of the door, heat radiation from the inside of the firing furnace and temperature rise of the second door can be suppressed.

本発明の陶芸窯の扉の構造は、扉が、厚み方向の内方に位置する第一の扉と外方に位置する第二の扉とによって構成され、第一の扉の内壁に沿って電気ヒータが装着されると共に、第二の扉に温度制御装置が装着され、第一の扉及び第二の扉が、夫々の一端が共通の軸を介して回動自在に構成され、夫々の他端が互いに着脱自在に構成されているので、第一の扉と第二の扉の他端側を係止して支軸を中心に一体に回動させ、焼成炉の開口部を開閉できると共に、第一の扉と第二の扉との間を容易に開放したり閉鎖したりすることができ、温度制御装置や電気ヒータのメンテナンスを行う際の作業性を向上できる。   The structure of the door of the pottery kiln of the present invention is constituted by a first door positioned inward in the thickness direction and a second door positioned outward, along the inner wall of the first door. An electric heater is mounted, a temperature control device is mounted on the second door, and the first door and the second door are configured such that each one end is rotatable through a common shaft. Since the other ends are configured to be detachable from each other, the other ends of the first door and the second door can be locked and rotated integrally around the support shaft to open and close the opening of the firing furnace. At the same time, the first door and the second door can be easily opened and closed, and the workability when maintaining the temperature control device and the electric heater can be improved.

また、本発明の陶芸窯の扉の構造は、第二の扉が、第一の扉の外面を覆うように箱形に形成され、温度制御装置が、第二の扉内に収納されてその操作部が第二の扉の表面から露出するように構成されていることにより、扉の厚み方向のサイズを小形化できると共に、第二の扉内に温度制御装置や電気配線を収納するスペースを構成できてメンテナンスを容易にできる。   The structure of the door of the pottery kiln of the present invention is such that the second door is formed in a box shape so as to cover the outer surface of the first door, and the temperature control device is housed in the second door. By configuring the operation unit to be exposed from the surface of the second door, the size in the thickness direction of the door can be reduced, and a space for storing the temperature control device and electrical wiring in the second door. It can be configured to facilitate maintenance.

また、本発明の陶芸窯の扉の構造は、第一の扉が断熱材で形成され、第一の扉の外周と第二の扉の内周との間に間隙が構成されていることにより、焼成炉内からの放熱と第二の扉の温度上昇を効率良く抑制できる。   Moreover, the structure of the door of the pottery kiln of the present invention is such that the first door is formed of a heat insulating material, and a gap is formed between the outer periphery of the first door and the inner periphery of the second door. The heat radiation from the inside of the firing furnace and the temperature rise of the second door can be efficiently suppressed.

次に、本発明の陶芸窯の一実施例を、図面にもとづいて説明する。図１は、本発明の一実施例の陶芸窯の扉の構造が適用された陶芸用電気窯の正面図、図２は、同実施例の陶芸用電気窯の右側面図、図３は、同実施例の陶芸用電気窯の平面図、図４は、同実施例の陶芸用電気窯の左側面図、図５は、同実施例の陶芸用電気窯の扉の構造を表す断面図であって、（ａ）が第一の扉と第二の扉とを一体に係止した図、（ｂ）が第一の扉と第二の扉とを開放した図、図６は、図５（ｂ）中のＡ−Ａ断面図である。   Next, an embodiment of the ceramic pottery according to the present invention will be described with reference to the drawings. FIG. 1 is a front view of a ceramic pottery to which a door structure of a pottery kiln according to an embodiment of the present invention is applied, FIG. 2 is a right side view of the pottery electric kiln of the embodiment, and FIG. FIG. 4 is a left side view of the pottery electric kiln of the embodiment, and FIG. 5 is a cross-sectional view showing the structure of the door of the pottery electric kiln of the embodiment. FIG. 6A is a diagram in which the first door and the second door are integrally locked, FIG. 6B is a diagram in which the first door and the second door are opened, and FIG. It is AA sectional drawing in (b).

図１〜図４に表したように、陶芸用電気窯１は、横側を開口して方形状に形成された焼成炉２、焼成炉２の側部に開閉自在に装着された横扉（本発明における扉である。）３、横扉３内に収納されて焼成炉２内の温度を制御する温度制御装置４、焼成炉２を床面に支持する脚体５、ガス抜き孔９、焼成炉２内に還元ガスを噴射するバーナ装置５０等を備えている。   As shown in FIG. 1 to FIG. 4, the electric ceramic kiln 1 is a firing furnace 2 that is formed in a rectangular shape with an opening on the side, and a side door (open / closed) that is attached to the side of the firing furnace 2 ( 3. A temperature control device 4 that is housed in the side door 3 and controls the temperature in the firing furnace 2, a leg 5 that supports the firing furnace 2 on the floor, a vent hole 9, A burner device 50 for injecting a reducing gas into the firing furnace 2 is provided.

また、図３に表したように、陶芸用電気窯１は、焼成炉２内に温度制御装置４を介して通電されて発熱し、焼成炉２内を加熱する電気ヒータ６ａ、６ｂ、６ｃを備えている。電気ヒータ６ａが焼成炉２の側壁に沿って配設され、電気ヒータ６ｂが焼成炉２の底壁に沿って配設され、電気ヒータ６ｃが横扉３の内壁に沿って配設されている。また、電気ヒータ６ａ、６ｂ、６ｃは、アルムニウムとクロムの合金線（パイロマックス）を螺旋状に巻いて形成されている。   In addition, as shown in FIG. 3, the ceramic pottery 1 has electric heaters 6 a, 6 b, and 6 c that heat the interior of the firing furnace 2 to generate heat when energized through the temperature control device 4. I have. The electric heater 6 a is disposed along the side wall of the firing furnace 2, the electric heater 6 b is disposed along the bottom wall of the firing furnace 2, and the electric heater 6 c is disposed along the inner wall of the side door 3. . The electric heaters 6a, 6b, 6c are formed by spirally winding an alloy wire (pyromax) of aluminum and chromium.

次に、図２に表したように、焼成炉２は、複数の耐熱煉瓦２１が積層されてその内方に陶芸作品を収納して焼成する焼成室Ｑを備え、耐熱煉瓦２１の外周が、セラミックス製の耐熱ボード２２、２３により二重に覆われている。   Next, as shown in FIG. 2, the firing furnace 2 includes a firing chamber Q in which a plurality of heat-resistant bricks 21 are stacked and a ceramic work is housed and fired therein, and the outer periphery of the heat-resistant brick 21 is Double-covered by heat-resistant boards 22 and 23 made of ceramics.

また、焼成炉２は、その外周に沿って格子状に組まれた支柱２４によって支持され、耐熱ボード２２、２３が、間隙Ｓを介して、外装部材２７、２８、２９、３０により覆われている。   The firing furnace 2 is supported by struts 24 assembled in a lattice shape along the outer periphery thereof, and the heat-resistant boards 22 and 23 are covered with exterior members 27, 28, 29, and 30 through a gap S. Yes.

次に、図２〜図４に表したように、外装部材２７、２８、２９、３０には、複数の通気孔２７ｇ、２８ｇ、２９ｇ、３０ｇが形成されている。また、図２に表したように、右側壁側における間隙Ｓ内には温度制御装置４を作動させるための電気回路部品３２が収納され、電気回路部品３２が、ケーブル３３を介して、温度制御装置４に接続されている。   Next, as shown in FIGS. 2 to 4, the exterior members 27, 28, 29, and 30 are formed with a plurality of vent holes 27 g, 28 g, 29 g, and 30 g. Further, as shown in FIG. 2, an electric circuit component 32 for operating the temperature control device 4 is accommodated in the gap S on the right side wall side, and the electric circuit component 32 is controlled by the temperature control via the cable 33. It is connected to the device 4.

次に、図２に表したように、横扉３は、一端が、焼成炉２に固定された上下二つの軸受け１０、１１に、支軸７を介して、図３中Ｒ方向に揺動自在に係合し、他端側には、オペレータが扉３を開閉する際に把持する取手（図３、図４中の符号１２）が備えられている。   Next, as shown in FIG. 2, the side door 3 swings in the R direction in FIG. 3 via the support shaft 7 to the two upper and lower bearings 10 and 11 fixed to the firing furnace 2. A handle (reference numeral 12 in FIGS. 3 and 4) that is engaged freely and is gripped when the operator opens and closes the door 3 is provided on the other end side.

また、横扉３は、図３に表したように、焼成炉２の開口部を閉鎖する際に、ハンドル１３、１４によって、そのロック及び解除が成されるように構成されている。詳しくは、横扉３は、ハンドル１３、１４が支軸１５に揺動自在（Ｕ方向に揺動する。）に係合しており、オペレータが、焼成炉２の開口部の閉鎖位置において、ハンドル１３、１４を前方向に揺動させ、横扉３から突出した係止片２０にハンドル１３、１４を係合させることによりロックされ、一方、ハンドル１３、１４を後方向に揺動させることにより、ロックが解除されるように構成されている。   Further, as shown in FIG. 3, the side door 3 is configured to be locked and released by the handles 13 and 14 when the opening of the firing furnace 2 is closed. Specifically, the side door 3 is engaged with the handles 13 and 14 so as to be swingable on the support shaft 15 (swing in the U direction). The handles 13 and 14 are swung forward and locked by engaging the handles 13 and 14 with the locking pieces 20 protruding from the side door 3, while the handles 13 and 14 are swung back. Thus, the lock is released.

また、横扉３は、図５に表したように、厚み方向の内方に位置する第一の扉３Ａと外方に位置する第二の扉３Ｂとによって構成され、第一の扉３Ｂの内壁に沿って電気ヒータ６ｃが装着されると共に、第二の扉３Ｂに温度制御装置４が装着されている。   Further, as shown in FIG. 5, the side door 3 includes a first door 3 </ b> A positioned inward in the thickness direction and a second door 3 </ b> B positioned outward, and the first door 3 </ b> B An electric heater 6c is attached along the inner wall, and a temperature control device 4 is attached to the second door 3B.

第一の扉３Ａは、圧延鋼板からなる金属枠１７内に、耐熱ボード３７、３８が積層され、且つ、耐熱ボード３７を介して焼成炉２側に、耐熱煉瓦４０が積層され、耐熱煉瓦４０に形成された溝に沿って電熱ヒータ６ｃが装着されている。また、この電熱ヒータ６ｃは、ケーブル２２を介して前述の電気回路部品３２に接続されている。   In the first door 3A, heat-resistant boards 37 and 38 are laminated in a metal frame 17 made of a rolled steel plate, and a heat-resistant brick 40 is laminated on the firing furnace 2 side via the heat-resistant board 37. An electric heater 6c is mounted along the groove formed in the. The electric heater 6c is connected to the electric circuit component 32 through the cable 22.

また、第二の扉３Ｂが第一の扉３Ａの外面を覆うように箱形に形成されて、温度制御装置４が、第二の扉３Ｂ内に収納されてその操作部４ａが第二の扉３Ｂの表面から突出する（所謂、第二の扉から露出している。）ように構成されている。   Further, the second door 3B is formed in a box shape so as to cover the outer surface of the first door 3A, the temperature control device 4 is housed in the second door 3B, and the operation portion 4a thereof is the second door 3B. It is comprised so that it may protrude from the surface of the door 3B (it exposes from what is called a 2nd door).

温度制御装置４は、取り付け金具４ｂ及びボルト５２によって第二の扉３Ｂに着脱自在に固定されている。温度制御装置４は、マイクロコンプータを搭載した回路基板が内蔵されて表面には操作部４ａが設けられ、操作部４ａには、各工程の温度を設定するための温度設定キー、各工程の時間設定キー、スタート／ストップキー等が設けられている。   The temperature control device 4 is detachably fixed to the second door 3B by a mounting bracket 4b and a bolt 52. The temperature control device 4 includes a circuit board on which a microcomputer is mounted, and an operation unit 4a is provided on the surface. The operation unit 4a includes a temperature setting key for setting the temperature of each process, and the time of each process. Setting keys, start / stop keys, etc. are provided.

また、図５（ａ）に表したように、第一の扉３Ａの外周と第二の扉３Ｂの内周との間には間隙Ｓ２が構成され、間隙Ｓ２内には、温度制御装置４、電気回路部品３２、電熱ヒータ６ｃ等の接続ケーブル５４が配設されている。   As shown in FIG. 5A, a gap S2 is formed between the outer periphery of the first door 3A and the inner periphery of the second door 3B, and the temperature control device 4 is provided in the gap S2. In addition, connection cables 54 such as the electric circuit component 32 and the electric heater 6c are disposed.

また、第二の扉３Ｂは、下方に第二の扉３Ｂ内を換気するための換気扇５１が装着され、周壁に複数の通気孔３ｇが形成されている。   The second door 3B is provided with a ventilation fan 51 for ventilating the inside of the second door 3B below, and a plurality of vent holes 3g are formed in the peripheral wall.

次に、図６に表したように、第一の扉３Ａ及び第二の扉３Ｂは、夫々の一端が焼成炉２に支持された共通の支軸７を介して、焼成炉２に回動自在に係合し、一端を支点に他端側が開放できるように構成されている。詳しくは、第一の扉３Ａの一端が、第一の扉３Ａに固定された金具３ｂ、３ｃ、３ｄを介して支軸７に係合し、第二の扉３Ｂの一端が、第二の扉３Ｂに固定された金具３ｅ、３ｆを介して支軸７に回動自在に係合し、支軸７が焼成炉２に固定された軸受け１０、１１に回動自在に係合している。   Next, as shown in FIG. 6, the first door 3 </ b> A and the second door 3 </ b> B rotate to the firing furnace 2 via a common support shaft 7 that is supported by the firing furnace 2 at one end. It is configured so that it can be freely engaged and the other end can be opened with one end as a fulcrum. Specifically, one end of the first door 3A is engaged with the support shaft 7 via metal fittings 3b, 3c, and 3d fixed to the first door 3A, and one end of the second door 3B is connected to the second door 3B. Via the metal fittings 3e and 3f fixed to the door 3B, it is rotatably engaged with the support shaft 7, and the support shaft 7 is rotatably engaged with the bearings 10 and 11 fixed to the firing furnace 2. .

また、第一の扉３Ａ及び第二の扉３Ｂは、夫々の他端が互いにボルト５３を介して着脱自在に固定されている。   The other end of each of the first door 3A and the second door 3B is detachably fixed to each other via a bolt 53.

そして、横扉３は、温度制御装置４や電気ヒータ６ｃのメンテナンスを行う際には、図３（ｂ）に表したように、第一の扉３Ａと第二の扉３Ｂとの間を開放できるように構成されている。   And when performing maintenance of the temperature control device 4 and the electric heater 6c, the side door 3 opens between the first door 3A and the second door 3B as shown in FIG. 3B. It is configured to be able to.

つまり、第一の扉３Ａと第二の扉３Ｂの他端同士を固定しているボルト５３を外し、夫々の他端が離間するように、第一の扉３Ａ及び第二の扉３Ｂを夫々独立して回動させ、第一の扉３Ａと第二の扉３Ｂとの間を開放させて、温度制御装置４や電気ヒータ６ｃをメンテナンスすればよい。   That is, the bolts 53 that fix the other ends of the first door 3A and the second door 3B are removed, and the first door 3A and the second door 3B are separated so that the other ends are separated from each other. The temperature control device 4 and the electric heater 6c may be maintained by rotating independently and opening between the first door 3A and the second door 3B.

次に、メンテナンスを終えた後には、第一の扉３Ａと第二の扉３Ｂを、支軸７を軸にして回動させ、第一の扉３Ａと第二の扉３Ｂとの間を閉鎖させてボルト５３によって固定すればよい。   Next, after the maintenance is completed, the first door 3A and the second door 3B are rotated about the support shaft 7 and the space between the first door 3A and the second door 3B is closed. Then, the bolts 53 may be fixed.

以下に、前記の構成を有する実施例の、陶芸窯１における扉３の構造の作用効果を記載する。   Below, the effect of the structure of the door 3 in the ceramic pottery 1 of the Example which has the said structure is described.

本実施例の陶芸窯１における扉３の構造は、扉３が、厚み方向の内方に位置する第一の扉３Ａと外方に位置する第二の扉３Ｂとによって構成され、第一の扉３Ａの内壁に沿って電気ヒータ６ｃが装着されると共に、第二の扉３Ｂに温度制御装置４が装着され、第一の扉３Ａ及び第二の扉３Ｂが、夫々の一端が焼成炉２に支持された共通の支軸７を介して焼成炉２に回動自在に構成され、夫々の他端がボルト５３を介して互いに着脱自在に構成されているので、第一の扉３Ａと第二の扉３Ｂの他端側を係止して支軸７を中心に一体に回動させ、焼成炉２の開口部を開閉できると共に、第一の扉３Ａと第二の扉３Ｂとの間を容易に開口したり遮蔽したりすることができ、温度制御装置４や電気ヒータ６ｃのメンテナンスを行う際の作業性を向上できる。   The structure of the door 3 in the pottery kiln 1 of the present embodiment is configured such that the door 3 includes a first door 3A positioned inward in the thickness direction and a second door 3B positioned outward. The electric heater 6c is mounted along the inner wall of the door 3A, the temperature control device 4 is mounted on the second door 3B, and the first door 3A and the second door 3B each have a firing furnace 2 at one end. The first door 3A and the first door 3A are configured so as to be rotatable to the firing furnace 2 through a common support shaft 7 supported by the first door 3A. The other end of the second door 3B is locked and pivoted integrally around the support shaft 7 to open and close the opening of the firing furnace 2, and between the first door 3A and the second door 3B. Can be easily opened and shielded, improving workability when performing maintenance of the temperature control device 4 and the electric heater 6c. That.

また、本実施例の陶芸用電気窯１の扉３の構造は、第二の扉３Ｂが、第一の扉３Ａの外面を覆うように箱形に形成され、温度制御装置４が、第二の扉３Ｂ内に収納されてその操作部が第二の扉３Ｂの表面から露出するように構成されていることにより、扉３の厚み方向のサイズを小形化できると共に、扉３内に温度制御装置４や接続ケーブル５４等の電気配線を収納するスペースを構成できてメンテナンスを容易にできる。   Moreover, the structure of the door 3 of the electric kiln 1 for ceramics of a present Example is formed in a box shape so that the 2nd door 3B may cover the outer surface of the 1st door 3A, and the temperature control apparatus 4 is 2nd. The size of the door 3 in the thickness direction can be reduced, and the temperature in the door 3 can be controlled by the operation part being exposed from the surface of the second door 3B. A space for storing electrical wiring such as the device 4 and the connection cable 54 can be configured, and maintenance can be facilitated.

また、本実施例の陶芸用電気窯１の扉３の構造は、第一の扉３Ａが断熱材で形成され、第一の扉３Ａの外周と第二の扉３Ｂの内周との間に空隙Ｓ２が構成されていることにより、焼成炉２内からの放熱と第二の扉３Ｂの温度上昇を効率良く抑制できる。   In addition, the structure of the door 3 of the electric ceramic kiln 1 of the present embodiment is such that the first door 3A is formed of a heat insulating material, and between the outer periphery of the first door 3A and the inner periphery of the second door 3B. By configuring the gap S2, it is possible to efficiently suppress the heat radiation from the inside of the firing furnace 2 and the temperature rise of the second door 3B.

以上、本発明の一実施例について説明したが、本発明は、上記実施例に限定されるものではなく、種々の態様をとることができる。例えば、本実施例では、支軸７を軸受け１０、１１を介して焼成炉２に回動自在に構成したが、支軸７を焼成炉２に直接固定して、支軸７に対して第一の扉３Ａと第二の扉３Ｂを回動自在に係合してもよい。   As mentioned above, although one Example of this invention was described, this invention is not limited to the said Example, It can take a various aspect. For example, in this embodiment, the support shaft 7 is configured to be rotatable to the firing furnace 2 via the bearings 10 and 11, but the support shaft 7 is directly fixed to the firing furnace 2 and The first door 3A and the second door 3B may be engaged so as to be freely rotatable.

また、本実施例では、第一の扉３Ａと第二の扉３Ｂを一体にしてハンドル１３、１４によって焼成炉２にロック及びロックの解除を行うように構成したが、さらに、第一の扉３Ａ単独でも焼成炉２にロック及びロックの解除ができるように構成してもよい。これにより、焼成炉２の開口部を第一の扉３Ａで遮蔽したままで第二の扉３Ｂを第一の扉３Ａから開放させ、メンテナンスを行うことができる。   In the present embodiment, the first door 3A and the second door 3B are integrated to be locked and unlocked to the firing furnace 2 by the handles 13 and 14, but the first door 3A alone may be configured so that the firing furnace 2 can be locked and unlocked. Accordingly, the second door 3B can be opened from the first door 3A while the opening of the baking furnace 2 is shielded by the first door 3A, and maintenance can be performed.

本発明の一実施例の陶芸窯の扉の構造が適用された陶芸用電気窯の正面図である。It is a front view of the electric kiln for pottery to which the structure of the door of the pottery kiln of one example of the present invention was applied. 同実施例の陶芸用電気窯の右側面図である。It is a right view of the electric kiln for ceramics of the Example. 同実施例の陶芸用電気窯の平面図である。It is a top view of the electric kiln for ceramics of the Example. 同実施例の陶芸用電気窯の左側面図である。It is a left view of the electric kiln for ceramics of the Example. 同実施例の陶芸用電気窯の扉の構造を表す断面図であって、（ａ）が第一の扉と第二の扉とを一体に係止した図、（ｂ）が第一の扉と第二の扉とを開放した図である。It is sectional drawing showing the structure of the door of the electric kiln for ceramics of the Example, Comprising: (a) is the figure which latched the 1st door and the 2nd door integrally, (b) is the 1st door It is the figure which opened the 2nd door. 図５（ｂ）中のＡ−Ａ断面図である。It is AA sectional drawing in FIG.5 (b).

符号の説明Explanation of symbols

１…陶芸用電気窯、２…焼成炉、３…横扉、３Ａ…第一の扉、３Ｂ…第二の扉、３ｂ，３ｃ，３ｄ，３ｅ，３ｆ…金具、４…温度制御装置、４ａ…操作部、４ｂ…取り付け金具、５…脚体、６ａ，６ｂ，６ｃ…電気ヒータ、７…支軸、９…ガス抜き孔、１０，１１…軸受け、１２…取手、１３，１４…ハンドル、１５…支軸、１７…金属枠、２０…係止片、２１，４０…耐熱煉瓦、２２，２３…耐熱ボード、２４…支柱、２７〜３０…外装部材、３ｇ，２７ｇ，２８ｇ，２９ｇ，３０ｇ…通気孔、３２…電気回路部品、３３…ケーブル、３７，３８…耐熱ボード、Ｑ…焼成室、Ｓ，Ｓ２…間隙、５０…バーナ装置、５１…換気扇、５２，５３…ボルト、５４…接続ケーブル。   DESCRIPTION OF SYMBOLS 1 ... Electric kiln for ceramics, 2 ... Firing furnace, 3 ... Side door, 3A ... 1st door, 3B ... 2nd door, 3b, 3c, 3d, 3e, 3f ... Metal fitting, 4 ... Temperature control apparatus, 4a ... operation part, 4b ... mounting bracket, 5 ... leg, 6a, 6b, 6c ... electric heater, 7 ... support shaft, 9 ... gas vent, 10, 11 ... bearing, 12 ... handle, 13, 14 ... handle, DESCRIPTION OF SYMBOLS 15 ... Support shaft, 17 ... Metal frame, 20 ... Locking piece, 21, 40 ... Heat-resistant brick, 22, 23 ... Heat-resistant board, 24 ... Post, 27-30 ... Exterior member, 3g, 27g, 28g, 29g, 30g ... Vents, 32 ... Electric circuit components, 33 ... Cables, 37,38 ... Heat-resistant boards, Q ... Baking chambers, S, S2 ... Gap, 50 ... Burner devices, 51 ... Ventilation fans, 52,53 ... Bolts, 54 ... Connections cable.

Claims (3)

陶芸作品を出し入れする開口部を備えた焼成炉と、
前記焼成炉の開口部を開閉する扉と、
前記焼成炉の内壁及び前記扉の内壁に沿って装着され、該焼成炉内の温度を上昇させる電気ヒータと、
前記電気ヒータを介して前記焼成炉内の温度を制御する温度制御装置と、
を備え、
前記扉が、厚み方向の内方に位置する第一の扉と外方に位置する第二の扉とによって構成され、
前記第一の扉の内壁に沿って前記電気ヒータが装着されると共に、前記第二の扉に前記温度制御装置が装着され、
前記第一の扉及び前記第二の扉が、夫々の一端が共通の支軸を介して回動自在に係合し、夫々の他端が互いに着脱自在に構成されている、
ことを特徴とする陶芸窯の扉の構造。 A firing furnace with an opening for putting in and out ceramic works;
A door for opening and closing the opening of the firing furnace;
An electric heater mounted along the inner wall of the firing furnace and the inner wall of the door, and for raising the temperature in the firing furnace;
A temperature control device for controlling the temperature in the firing furnace via the electric heater;
With
The door is composed of a first door located inward in the thickness direction and a second door located outward,
The electric heater is mounted along the inner wall of the first door, and the temperature control device is mounted on the second door,
The first door and the second door are configured such that one end of each of the first door and the second door is rotatably engaged via a common support shaft, and the other end is detachable from each other.
The structure of a ceramic kiln door characterized by 前記第二の扉が、前記第一の扉の外面を覆うように箱形に形成され、
前記温度制御装置が、前記第二の扉内に収納されてその操作部が該第二の扉の表面から露出するように構成されている、
ことを特徴とする請求項１に記載の陶芸窯の扉の構造。 The second door is formed in a box shape so as to cover the outer surface of the first door,
The temperature control device is housed in the second door, and the operation unit is configured to be exposed from the surface of the second door.
The structure of the door of the ceramic pottery according to claim 1 characterized by things. 前記第一の扉が断熱材で形成され、該第一の扉の外周と前記第二の扉の内周との間に間隙が構成されている、
ことを特徴とする請求項２に記載の陶芸窯の扉の構造。 The first door is formed of a heat insulating material, and a gap is formed between the outer periphery of the first door and the inner periphery of the second door.
The structure of the door of the ceramic pottery according to claim 2 characterized by things.
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