JPH0511000U - Connector attachment / detachment mechanism in heat treatment furnace - Google Patents

Abstract

(57) [Summary] [Structure] One of the pair of connectors for connecting the lead wire of the thermocouple thermometer is fixed in the furnace, and the other is connected to the support provided in the charging / extracting device for the object to be treated. The connector is configured to be detachably held, and the connectors are connected by the charging operation and the extracting operation of the charging / extracting device.
Detach. [Effect] Since the connectors are automatically connected and disconnected when loading and extracting the objects to be processed, these operations can be automated and labor-saving can be realized, and there is no need to wait for the furnace to cool. Becomes

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  The present invention is equipped with a thermocouple thermometer for measuring the temperature of a workpiece during processing. Applied to various types of heat treatment furnaces to connect the leads of thermocouples in the furnace. The attachment / detachment mechanism of the nectar.

[0002]

[Prior art]

  When performing heat treatment with various furnaces, the temperature and changes in the temperature of the object being processed There are some cases where it is desired to measure the state of I am trying to use it.

[0003]   In that case, the lead wire of the thermocouple thermometer must be connected to the workpiece in the furnace. Therefore, the following method is adopted. That is, the thermocouple thermometer External lead wire and internal lead wire that are detachably connected by a connector A connector that is divided into two parts and is attached to the tip of the external lead wire through the furnace body. Kuta is fixed in the furnace. Then, before loading the object to be processed into the furnace, After attaching the internal lead wire to the object to be processed and loading the object into the furnace, In addition, the connector of the internal lead wire and the connector of the external lead wire are connected.

[0004]

[Problems to be solved by the device]

  However, in the above case, connecting connectors or disconnecting after processing is a manual process. This is not only time-consuming and troublesome, but also It is not possible to perform such work as it is dangerous when the temperature inside the furnace is high. It was necessary to wait until the inside of the furnace was sufficiently cooled.

[0005]   The present invention has been made in view of the above circumstances, and is for connecting the lead wire of a thermocouple. The purpose is to provide an effective mechanism that can automatically attach and detach the connector of the is doing.

[0006]

[Means for Solving the Problems]

  The present invention provides a thermocouple thermometer lead wire for measuring the temperature of an object to be processed in a furnace. It is applied to a heat treatment furnace that has been connected in advance to connect those lead wires. A mechanism for attaching and detaching a pair of connectors for It is fixed in the furnace and attached to the heat treatment furnace to load the object to be processed into the furnace. And the other connector can be freely attached / detached to / from the charging / extracting device for taking it out from there. A support for holding is provided and supported by the charging operation of the charging / extracting device. Connect the connector held in the furnace to the connector fixed in the furnace, and extract the charge. It is characterized in that it is configured to disconnect the connector by the extraction operation of the device. It is something.

[0007]   And, the charging / extracting device is mounted on the front side of the furnace so as to separate from and contact with the furnace. A so-called fork having a structure in which a fork that supports an object to be processed is provided on a vehicle so that the fork can be moved up and down. A loader, which is a series of loading and unloading operations including forward movement of the truck, lowering of the forks, and backward movement of the truck Depending on the work, the object to be processed is loaded, and the trolley moves forward, the fork rises, and the trolley moves backward. When the object to be processed is extracted by a series of extraction operations called , The support is attached to the fork of the charging and extracting device, and the support The holding part that holds the connector and the held connector by the spring biasing force. The pressing member that presses to the other connector side and the relative rise of the connector with respect to the holding part. It has a roller for guiding the descending, and its support is in front of the fork. By advancing and retreating, the connectors are connected and disconnected, and the support is The connector moves up and down with the fork relative to the connector It is preferable that the data is held and released.

[0008]

[Action]

  According to the present invention, the object to be treated is charged into the furnace by the charging and extracting device and at the same time, The connector is automatically connected, and after processing, the object to be processed is taken out and the connector is automatically connected. To be separated. When the charging / extracting device is a so-called fork loader, Connect the connectors to each other by moving the carriage forward and cut them by moving backward. And the fork up and down to hold the connector in the holding part of the support and Cancel it.

[0009]

【Example】

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 and 2 are actual fruits FIG. 1 is a schematic configuration diagram of a heat treatment furnace provided with an attachment / detachment mechanism of an embodiment, in which reference numeral 1 is a furnace body, 2 Is a heating chamber, 3 is a hearth beam, and reference numeral 4 is the object 5 to be charged into the furnace, It is also a fork loader (loading / extracting device) for taking out.

[0010]   The fork loader 4 is self-propelled on the front side of the furnace body 1 in a direction away from and in contact with it. A fork 7 capable of supporting the object 5 to be processed is provided on a carriage 6 that can be raised and lowered. The forward movement of the truck 6, the lowering of the fork 7, and the backward movement of the truck 6 are carried out. Thus, the object to be treated 5 is loaded into the furnace.

[0011]   That is, when loading the workpiece 5 into the furnace, it should be loaded as shown in FIG. The workpiece 5 is placed on the fork 7, and the fork 7 is moved to the hearth beam 3 in the furnace. The carriage 6 is moved forward as shown by the arrow in the figure in a slightly higher position. The physical object 5 is introduced into the furnace, and when the object to be processed 5 reaches the hearth beam 3, the carriage 6 is stopped. Then, the fork 7 is slightly lowered to move the workpiece 5 from above the fork 7 to the hearth. It is transferred onto the beam 3 and then the carriage 6 is retracted.

[0012]   Further, the extraction work from the furnace of the object to be treated 5 after the treatment is the reverse of the above, That is, as shown in FIG. 2, the fork 7 is positioned slightly lower than the hearth beam 3. From the state, as shown by the arrow, the bogie 6 moves forward, the fork 7 rises, and the bogie 6 moves backward. Is performed by a series of operations.

[0013]   In this furnace, a thermocouple thermometer 10 for measuring the temperature of the object 5 to be processed is provided. It is equipped. The thermocouple thermometer 10 includes a measuring instrument body 11 provided outside the furnace. , Attached to the external lead wire 12 connected to it, the workpiece 5 And an internal lead wire 13 connected to the external lead wire 12. External lead wire 12 Of the connector penetrates through the furnace body 1 and is drawn into the furnace. (Female side) 14 is attached, and its connector 14 is located near the charging port of the furnace body 1. And is fixed to the furnace body 1 by a support 15 in a state of facing the charging port side.

[0014]   Further, at the base end of the internal lead wire 13, a connector (O 16) is attached, and this internal lead wire 13 is, as shown in FIG. The workpiece 5 to be loaded into the furnace is placed on the fork 7 of the fork loader 4. At this point, the connector 16 is attached to the workpiece 5 and the connector 16 is attached to the fork 7. It is detachably held by a support 17 provided at the base end. As a result, both connectors 14, 16 face each other when the workpiece 5 is loaded. It is designed to fit.

[0015]   Then, from the state shown in FIG. 1 to the series of loading operations of the fork loader 4 described above. By loading the object to be treated 5 into the furnace, the connector 14, as shown in FIG. 16 are connected to each other. After that, the furnace lid (not shown) Close the loading door and perform the process. By removing the workpiece 5 from the furnace, the connectors 14 and 16 are disconnected. When separated, the connector 16 is again held by the support 17 and returns to the state of FIG. It has become.

[0016]   For the mechanism for attaching and detaching the connectors 14 and 16 described above, see FIGS. And will be described in detail.

[0017]   The female connector 14 to which the external lead wire 12 is connected has a U-shaped cross section. A structure in which a plurality of terminals 21 (see FIG. 5, nine in the illustrated example) are attached to the attachment plate 20. And the mounting plate 20 is fixed to the upper part of the support 15 by It is provided in a state of facing the loading side of the furnace body 1. At the upper end of the support 15, When connecting the other connector 16 to this connector 14, Is provided with a stopper 22 for restricting the rise of the.

[0018]   Further, the male connector 16 to which the internal lead wire 13 is connected is a connector As in the case of 14, the same number of terminals 24 are attached to a mounting plate 23 having a U-shaped cross section. Has been done. Side plates 25 are attached to both ends of the mounting plate 23, respectively. On the rear side of 25, a slope 41 on which a roller 41 of a pressing member 35 described later comes into contact and rolls. The part 26 is formed.

[0019]   Further, as shown in FIG. 5, two guides are provided on both sides of the mounting plate 23 of the connector 16. The connector pin 27 is provided so as to project forward (on the connector 14 side), and A guide hole 28 into which the tips of the guide pins 27 are inserted is provided on the side of the actuator 14. The guide pins 27 are inserted into the guide holes 28 so that Before the connectors 14 and 16 are connected, they will be accurately positioned. Growling.

[0020]   On the other hand, the support 17 for holding the connector 16 detachably is It is installed at the bottom of the vertical member 30 (see FIGS. 1 and 2) that is hung downward from the base end of the slab 7. It has been burned. This support 17 includes a rear wall portion 31, a horizontal portion 32 and a stopper 33. On the upper surface of the horizontal part 32 of the holding part 34 and the holding part 34. It is composed of a pressing member 35 provided at present. In addition, the upper surface of the horizontal portion 32 is pressed. Sheet material for reducing sliding resistance of the member 35 (for example, phosphor bronze metal or the like) 36 is attached.

[0021]   The pressing member 35 is provided with a pair of side plates 37 and a connecting plate 38 connecting them. Therefore, the connecting plate 38 can be displaced with respect to the rear wall portion 31 of the holding portion 34 by the bolt 39. When the pressing member 35 is connected to the bolt 39, Is regulated within the length of. In addition, the pressing member 35 is provided outside the bolt 39. By the spring 40 mounted on the side and interposed between the rear wall portion 31 and the connecting plate 38, It is always biased forward. Further, the inner surface of the side plate 37 of the pressing member 35 A plurality of rollers 41 are attached to the side. These rollers 41 support So that it can be rolled by abutting on the slope portion 26 of the side plate 25 of the connector 16 held by Are obliquely arranged in a row along the slope 26.

[0022]   In the support 17 configured as described above, the pressing member 35 is moved forward by the spring 40. By urging, the side plate 25 of the connector 16 is moved forward through the roller 41. The side plate 25 of the connector 16 to the roller 41 and the stopper 33. By holding the connector 16 inside, the connector 16 can be held inside the holding portion 34. Become. The connector 16 held by the support 17 in such a state On the other hand, when a force that relatively pulls upward is applied, the roller 41 moves the slope portion 2 Since 6 rolls, the connector 16 can be pulled out without difficulty. Also, support When the connector 16 is relatively lowered from above the door 17, the roller 41 is connected. The pressing member 35 acts on the biasing force of the spring 40 while abutting on the inclined surface portion 26 of the actuator 16 and rolling. Since the connector 16 is gradually retracted against the force of the pressing member 35 and the stopper 33, It will be inserted in between and sandwiched between them, and will be held by the holding portion 34 again. Become.

[0023]   The connector 16 is held by the support 17 as described above, and the fork loader 4 By loading the object to be treated 5 into the furnace by the above-described charging operation, The connectors 14 and 16 are naturally connected to each other, and the object to be processed 5 is placed in a furnace after processing. At the same time as taking out from the inside, the connector 16 is automatically disconnected from the connector 14. Of.

[0024]   That is, when the carriage 6 is moved forward so as to load the object 5 to be processed, the arrow in FIG. As shown, the connector 16 held by the support 17 is not fixed in the furnace. Moving forward toward the connector 14, and they are naturally connected. On this occasion, The tip of the guide pin 27 is inserted into the guide hole 28 so that the positions of the connectors 14 and 16 are The alignment is accurate. In addition, in the case where the carriage 6 is excessively advanced, As shown in FIG. 3, the spring 40 contracts so that the pressing member 35 and the connector 16 are held. 34 relative to (ie, only the holding portion 34 advances), There is no unreasonable force applied to each part.

[0025]   After that, as the fork 7 descends, the support 17 descends, As a result, as described above, the roller 41 rolls and the side plate 25 of the connector 16 moves. The connector 16 is pulled out from the support 17 while descending along the slope 26. It Subsequently, when the carriage 6 moves backward, the support 17 also moves backward, and as a result, the workpiece 5 The charging and the connection of the connectors 14 and 16 are completed.

[0026]   After the processing is completed, the object 5 to be processed and the connector 16 are supported in the reverse order of the above. The port 17 is held at the same time. In other words, to take out the object 5 to be processed, When the vehicle 6 is moved forward, the support 17 is lower than the connector 16 as shown in FIG. When the fork 7 is raised after that, the support 17 also rises, As a result, the stopper 33 of the support 17 is positioned in front of the connector 16. At the same time, the roller 41 comes into contact with the slope portion 26 of the side plate 25 of the connector 16 and rolls. Ascending along the inclined surface portion 26, the connector 16 is provided with the pressing member 35 and the stopper 33. It is interrupted and held by the support 17 again. At this time, the support 17 As the spring 40 gradually contracts with the rise, and the pressing member 35 retracts, Unnecessary force is applied to the parts. Also, the excessive rise of the support 17 causes It is restricted by the stopper 22 on the upper end of the support 15 that fixes the connector 14. Be done. Then, when the carriage 6 moves backward in this state, the stopper 33 moves the connector 16 When the connector 16 comes in contact with the side plate 25 and is pulled out from the connector 14 as shown in FIG. Then, if the carriage 6 is further retracted as it is, the workpiece 5 is taken out of the furnace body.

[0027]   As described above, in this furnace, the workpiece 5 is loaded by the fork loader 4. When connecting and disconnecting, the connectors 14 and 16 are automatically connected and disconnected. External lead wire 12 and internal lead wire 13 are connected and disconnected. For this reason, in the past, the connector was manually connected and disconnected. Since the work can be omitted, it is possible to save labor and automate the charging and extracting work. In addition, since it is possible to work without trouble even if the temperature inside the furnace is high, It is particularly suitable for continuous operation. Also, due to the urging force of the spring 40, When the connector 16 is held in the form of pressing the connector 16 via the la 41, The roller 41 guides the relative elevation of the connector 16 with respect to the holding portion 34. Therefore, when holding the connector 16 with respect to the support 17, When releasing, the roller 41 rolls with respect to the connector 16, and the spring 40 automatically Because it is elastically deformed, it is a simple mechanism that ensures reliable operation. No unreasonable force is applied to each part.

[0028]   In addition, in the above-mentioned embodiment, since the fork loader was used as the charging and extracting device, Connection and disconnection of connector by loading and extracting operation of fork loader of Although configured to hold and release the connector in the port, other types of devices When adopting an input / output device, change the configuration of support etc. as appropriate according to its operation. Just change it.

[0029]

[Effect of device]

  As described in detail above, according to the present invention, the connector is retained in the charging and extracting device. By providing a support to hold the connector, the charging / extracting operation of the charging / extracting device can Since it is configured to connect and disconnect, it is It is possible to automate the work of connecting and disconnecting the nectar, thus saving labor. In addition, the waiting time until the inside of the furnace is cooled is not necessary and the production efficiency is improved. It is possible to improve.

[0030]   Also, especially when the charging / extracting device is a fork loader, hold the connector. The support for attaching to the fork, and that support, The holding part that holds the connector and the held connector are Guides the relative movement of the connector to the holding part and the pressing member that presses toward the connector. If it is equipped with a roller that supports loading and extracting operations of a fork loader, Connect and disconnect the connector to ensure that the connector is retained and released from the support. Smooth and smooth, with no excessive force applied to each part, sufficient reliability and durability Sex is obtained.

[Brief description of drawings]

FIG. 1 is a side cross-sectional view showing an embodiment of a connector attaching / detaching mechanism according to the present invention and showing a state of a heat treatment furnace provided with the attaching / detaching mechanism before charging an object to be treated.

FIG. 2 is likewise a side sectional view showing a state after the object to be processed is loaded.

FIG. 3 is a side view showing a state before connecting the connector of the attaching / detaching mechanism of the present embodiment.

FIG. 4 is likewise a side view showing a state after connecting the connector.

FIG. 5 is likewise a plan view showing a state in which a connector is connected.

[Explanation of symbols]

1 furnace body 2 heating chambers 3 hearth beam 4 Fork loader (charge and extractor) 5 Object to be processed 10 thermocouple thermometer 11 Measuring instrument body 12 External lead wire 13 internal lead wire 14 connector 16 connectors 17 Support 21 terminals 24 terminals 34 Holder 35 Pressing member 40 spring 41 Laura.

Claims (2)

[Scope of utility model registration request] 1. A pair of connectors for connecting a lead wire of a thermocouple thermometer for measuring the temperature of an object to be processed, which is applied to a heat treatment furnace in which the lead wire is connected. Is a mechanism for attaching and detaching the connector, and one of the connectors is fixed in the furnace, and a charging / extracting device is attached to the heat treatment furnace to load and remove the object to be processed from the furnace. The equipment is provided with a support that detachably holds the other connector, and the loading operation of the loading / extracting equipment connects the connector held by the support to the connector fixed in the furnace A connector attaching / detaching mechanism in a heat treatment furnace, wherein the connector is detached by an extracting operation of the apparatus. 2. The charging / extracting device is provided with a fork for supporting an object to be lifted up and down on a dolly that is separated from and in contact with the furnace on the front side of the furnace, and is capable of moving the dolly forward, lowering the fork, and dolly The workpiece is loaded by a series of loading operations of retreating, and the workpiece is extracted by a series of extracting operations of forward movement of the truck, raising of the forks, and backward movement of the truck. The support is attached to a fork of the input / output device, and the support includes a holding portion that holds the connector, a pressing member that presses the held connector toward the other connector side by a biasing force of a spring, and a holding portion. A roller for guiding relative ascent and descent of the connector, and its support is moved forward and backward together with the fork to connect and disconnect the connectors, and The connector attaching / detaching mechanism in the heat treatment furnace according to claim 1, wherein the support is configured to be held and released by the support by moving up and down relative to the connector together with the fork. .