JP4161415B2 - Brazing material setting equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
In the present invention, when a honeycomb plate is joined to the inner peripheral surface of a short cylindrical back metal or one surface of a plate-like back metal by brazing, a brazing material is set at a joint portion with the back metal inside the honeycomb plate. The present invention relates to a brazing material setting device.
[0002]
[Prior art]
Formed by brazing a honeycomb plate to the inner peripheral surface of a short cylindrical back metal or one side of a plate-like back metal by brazing as a structural component that is lightweight and requires high strength, such as aircraft structural materials and aircraft engines There is something to be done. FIG. 8 is a conceptual diagram of a plate-like example, (A) is an exploded view before joining, and (B) shows after joining. In the figure, B is a back metal and H is a honeycomb plate.
[0003]
The honeycomb plate is joined to the back metal by temporarily attaching the honeycomb plate to the back metal by spot welding or the like, and then sprinkling powdered brazing material from the honeycomb plate side to deposit it on the bottom of the honeycomb plate, acrylic cement, etc. The brazing material is applied and dried to fix the brazing material, and then the brazing material is melted in a heating furnace.
[0004]
Conventionally, the work of sprinkling the brazing material from the honeycomb plate side during the joining work by brazing has been performed exclusively by hand. That is, the brazing material is accommodated in a brazing material container having an opening formed in the bottom, and the brazing material container is shaken by the operator to drop the brazing material from the dispensing hole, so that a uniform thickness is applied to the plate surface of the honeycomb plate. It is deposited so as to be.
[0005]
[Problems to be solved by the invention]
However, as described above, it has been extremely difficult to shake out the brazing material by the operator's manual work and deposit the required amount uniformly.
[0006]
In other words, since it depends on the operator's sense, the absolute amount of brazing material varies from part to part, and brazing material accumulates in each small chamber of the honeycomb plate and cannot move in the direction of the plate surface. Depending on the location, it becomes uneven.
[0007]
As a result, there are problems that skill is required for the work and it is difficult to obtain a stable bonding strength with an appropriate amount of brazing material.
[0008]
The present invention has been made in view of the above problems, and an object of the present invention is to provide a brazing material setting device capable of accurately and easily setting an appropriate amount of brazing material.
[0009]
[Means for Solving the Problems]
In the brazing material setting device of the present invention that achieves the above object, when a honeycomb ring is joined to the inner peripheral surface of a short cylindrical back metal by brazing, the brazing material is set at a joint portion with the back metal inside the honeycomb ring. A ring for setting a powdery brazing material, holding a short cylindrical workpiece in which the honeycomb ring is temporarily attached to the back metal, and rotating around the center of the supported workpiece by a rotation driving means A holding mechanism and a brazing material sprinkling device in which a brazing material container having a spout hole formed in the lower surface is driven to vibrate by a vibrating mechanism, and the rotational driving means rotationally drives the ring holding mechanism, and The brazing material housing portion of the brazing material sprinkling device is housed inside by the vibration drive by the vibrating mechanism in a state where the brazing material housing portion is positioned inside the work supported by the ring holding mechanism. And swung through the brazing material to square one hole sprinkled a brazing material to the honeycomb ring located on the inner peripheral surface of the workpiece is deposited by centrifugal force, it is configured to apply the brazing material fixative while continuing the rotation It is characterized by.
[0010]
In addition, when a honeycomb ring is joined to the inner peripheral surface of the short cylindrical back metal by brazing, in addition to setting a powdery brazing material at the joint with the back metal inside the honeycomb ring When the honeycomb plate is joined to one surface of the plate-like back metal by brazing, a powdery brazing material is set at the joint portion with the plate-like back metal inside the honeycomb plate, A support member for supporting a workpiece formed by temporarily attaching the honeycomb plate to one surface of the plate-like back metal is provided so as to be movable along the guide member, and faces a movement path of the support member along the guide member. in, together with the brazing material container which square one hole is formed is vibrated driven by vibration mechanism on a lower surface, at least movable in the brazing material to the ring holding mechanism and the release contact direction Ri and device over, at a position facing the brazing material sprinkled device sandwiching the moving path of the support member, wherein the short cylindrical back short cylindrical workpiece honeycomb ring on the inner peripheral surface is formed by temporarily attached metal The ring holding mechanism that holds and rotates around the center of the workpiece supported by the rotation driving means is provided,
A brazing material fixing agent application device for applying a brazing material fixing agent to the work supported by the support member; and a heat fixing device for heating the work supported by the support member . When the honeycomb plate is joined to one surface of the back metal by brazing, the support member holds the workpiece with the honeycomb plate as an upper side and moves along the guide member, and the workpiece is sprinkled with the brazing material sprinkling device. The brazing material accommodated inside by the vibration drive by the excitation mechanism in a state of being positioned below the brazing material accommodating portion of the brazing material and sprinkled on the upper side of the honeycomb plate of the workpiece, the brazing material fixing agent The brazing material fixing agent is applied to the workpiece by a coating device, and the brazing material fixing agent is dried by heating the workpiece by the heating and fixing device. Characterized in that it is configured to fix.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is a front view conceptually showing one structural example of a brazing material setting apparatus according to the present invention, and FIG. 2 is a plan view.
[0013]
The illustrated brazing material setting apparatus 1 includes a conveying mechanism 10 in which a conveying table 11 as a support member moves linearly, and a brazing material sprinkle arranged facing one end of a moving path of the conveying table 11 of the conveying mechanism 10. The brazing material fixing agent disposed facing the moving path of the conveying table of the conveying mechanism 10 and the ring holding mechanism 30 disposed at a position facing the brazing material sprinkling device 20 with the conveying mechanism 10 interposed therebetween. The coating device 40 and the heat fixing device 50 are configured.
[0014]
The transport mechanism 10 is configured such that a sliding member 11A provided on the lower surface side of the transport table 11 is slidably fitted to a pair of guide bars 12 extending in the moving direction of the transport table 11, and the guide bar 12, a female screw member 11B fixed to the lower surface of the transport table 11 is screwed into a feed screw 13 disposed in parallel with the guide bar 12, and the transport table 11 is brought into contact with the guide bar 12 by the rotation of the feed screw 13. It is comprised so that it may move and drive along.
[0015]
An end of the feed screw 13 is connected to a transport drive motor 14 and is driven to rotate by the transport drive motor 14. That is, the transport table 11 is driven to move by the transport drive motor 14. The conveyance drive motor 14 is controlled and driven by a control device (not shown) that controls the entire brazing material setting device 1.
[0016]
The brazing material sprinkling device 20 is configured such that a brazing material container 21 is supported by a front / rear lifting mechanism 23 via a vibration device 22 as shown in FIG.
[0017]
The brazing material container 21 has a rectangular parallelepiped shape that is long in the horizontal direction, as shown in FIG. 4 (A) as a plan view, (B) as a side view, and (C) as viewed from arrow C in (B). The inside is divided into two chambers in the longitudinal direction, and a leading end side thereof is a brazing material accommodating chamber 21A for accommodating powdery brazing material, and a rear end side is a cylinder chamber 21B.
[0018]
A large number of passage holes 21C are formed in the bottom plate on the front end side of the brazing material accommodation chamber 21A, and a swing-out portion 21D is mounted below the formation portion of the passage holes 21C.
[0019]
The swing-out portion 21D is formed in a tapered inverted trapezoidal shape, and a plurality of swing-out holes 21E are formed in the lower surface plate.
[0020]
Further, in the brazing material accommodation chamber 21A, a shielding plate 21F having a size capable of shielding all the passage holes 21C in a state corresponding to the formation area of the passage holes 21C is movable back and forth along the upper surface of the bottom plate. Is provided. The leading edge of the cylinder rod of the open / close air cylinder 21G disposed in the cylinder chamber 21B is connected to the bent edge of the rear end of the shield plate 21F, and the shield plate 21F is moved forward and backward by the open / close air cylinder 21G. As shown by the solid line in the figure, the retracted position for opening the passage hole 21C and the closing position for closing the passage hole 21C as shown by the imaginary line in the figure can be positioned.
[0021]
The vibration device 22 is a device that generates vibration when an alternating current is applied to the electromagnet 22A, and vibrates the brazing material container 21 to be supported at a predetermined frequency and amplitude.
[0022]
The front / rear elevating mechanism 23 is slidably fitted to a front / rear guide 23A disposed perpendicular to the moving direction of the transport table 11 of the transport mechanism 10 so that the slide base 23B is slid vertically. The lift base 23D that supports the vibration device 22 (that is, the brazing material container 21) is supported by the lift screw 23C.
[0023]
The slide base 23B is driven to move in the front-rear direction orthogonal to the movement direction of the transport table 11 along the front-rear guide 23A by a feed screw 23F that is rotationally driven by a front-rear drive motor 23E.
[0024]
The elevating base 23D is supported by the elevating screw 23C via an elevating female screw 23G screwed to the elevating screw 23C, and is moved up and down by rotating the elevating screw 23C using an elevating handle 23H fixed to the upper end thereof. It is like that.
[0025]
In the brazing material sprinkling device 20 having the above-described configuration, the brazing material accommodation portion 21 is vibrated by the vibration device 22 in a state where the shielding plate 21F is in the retracted position, whereby the powdery material accommodated in the brazing material accommodation chamber 21A. The brazing material falls through the passage hole 21C into the swing-out portion 21D, and further drops through the swing-out hole 21E of the swing-out portion 21D, whereby a certain amount of brazing material can be spun out per unit time. . The brazing material is stopped by driving the open / close air cylinder 21G and setting the shielding plate 21F to the closed position.
[0026]
The brazing material container 21 moves back and forth by the forward / backward movement drive of the slide base 23B by the forward / backward drive motor 23E of the forward / backward lift mechanism 23, and moves up and down by the lift drive of the lift base 23D by the rotation operation of the lift handle 23H. As a result, the position of the swinging portion 21D can be moved back and forth and up and down to move the brazing material swinging position.
[0027]
The open / close air cylinder 21G and the vibration device 22 are controlled and driven by a control device (not shown) that controls the brazing material setting device 1 as a whole, and the front / rear drive motor 23G is connected via the control device. The operator is operated manually.
[0028]
The ring holding mechanism 30 is provided at a position facing the brazing material sprinkling device 20 such that a circular rotation support table 31 is rotated by a rotation drive motor 32 as a rotation drive means while making the board surface vertical. It is configured. The rotation axis is included in the moving surface of the brazing material container 21 by the front / rear lifting mechanism 23 of the brazing material sprinkling device 20 and is set horizontally.
[0029]
A plurality of fixing grooves 31A are radially formed on the surface of the rotary support table 31 facing the brazing material sprinkling device 20, and the fixing bracket 31B fitted in the fixing grooves 31A is used to imagine in the figure. As indicated by the line, the annular workpiece 2 can be held from the outer peripheral side.
[0030]
The rotation drive motor 32 is manually operated by an operator via a control device (not shown) that controls the entire brazing material setting device 1.
[0031]
As shown in FIG. 5 which is a cross-sectional view taken along the line BB in FIG. 1, FIG. 6A which is an enlarged front view, and a cross-sectional view taken along the line DD in FIG. A cover 41 formed in a mountain shape with the upper and lower corners of a substantially rectangular parallelepiped box shape capable of accommodating the transport table 11 of the mechanism 10 as a slope 41A of a predetermined angle is arranged across the moving path of the transport table 11. A fixing agent application mechanism 42 for injecting acrylic cement as a brazing material fixing agent is provided on both the front and rear slope portions 41A.
[0032]
A rectangular passage gate 41B through which the conveyance table 11 supporting the workpiece 2 can pass is formed on the upper and lower surfaces of the cover 41 in the moving direction of the conveyance table 11, and the passage gate on the brazing material sprinkling mechanism 20 side is formed. An air injection mechanism 60 is disposed at the horizontal edge of 41B.
[0033]
In the fixing agent application mechanism 42, a can mounting portion 42A for supporting a spray can 43 of acrylic cement as a fixing agent is formed on the inclined surface portion 41A, and the spray mounted on the can mounting portion 42A along the inclined surface portion 41A. An operation cylinder 42 </ b> B is provided so as to be in series with the can 43.
[0034]
A spray can 43 of acrylic cement is mounted on the can mounting portion 42A with the nozzle portion 43A on the upper side, and an injection port 41C having a predetermined diameter is formed in the inclined surface portion 41A corresponding to the nozzle portion 43A.
[0035]
Here, the position of the injection port 41C (position of the nozzle portion 43A of the spray can 43) and the angle of the inclined surface portion 41A are such that the injection direction of acrylic cement injected from the nozzle portion 43A of the spray can 43 is within the cover 41. It is set so as to face the workpiece 2 placed on the transport table 11 positioned.
[0036]
The operation rod of the operation cylinder 42B is positioned above the nozzle portion 43A of the spray can 43 attached to the can attachment portion 42A, and the operation rod presses the nozzle portion 43A of the spray can 43 by driving the operation cylinder 42B. It is like that.
[0037]
The brazing material fixing agent applicator 40 having the above-described configuration is configured such that the operation cylinder 42B is driven and the nozzle portion of the spray can 43 in a state where the transport table 11 of the transport mechanism 10 on which the workpiece 2 is placed is positioned inside the cover 41. By pressing 43A, acrylic cement is jetted from the nozzle portion 43A and applied to the workpiece 2 placed on the transfer table 11.
[0038]
The air injection mechanism 60 provided on the brazing material sprinkling mechanism 20 side (that is, the inlet side) of the cover 41 has a predetermined diameter to which compressed air is supplied from an air supply mechanism (not shown) along the horizontal edge of the passage gate 41B. Nozzle pipe 61 is disposed, and a plurality of nozzle holes are formed at predetermined intervals on the lower side of the nozzle pipe 61. The supply of compressed air to the nozzle pipe 61 is controlled by a control device (not shown).
[0039]
A funnel-shaped duct 70 is provided immediately below the air injection mechanism 60.
[0040]
The air injection mechanism 60 having the above configuration injects air downward from the nozzle hole of the nozzle pipe 61, and when the transfer table 11 of the transfer mechanism 10 moves and enters the cover 41 of the brazing material fixing agent application device 40, It acts to blow off and remove unnecessary brazing material deposited on the transfer table 11. The brazing material blown off is recovered from the duct 70 and reused.
[0041]
As shown in FIG. 7A, which is an enlarged front view, and FIG. 7B, which is an E arrow view thereof, the heat-fixing device 50 has a rectangular parallelepiped box-shaped cover 51 transported by the transport mechanism 10. A rectangular passage gate 51 </ b> A through which the transfer table 11 supporting the workpiece 2 can pass is formed on the front and back surfaces of the transfer table 11 in the moving direction.
[0042]
The top plate 52 is formed by a heater in which a heating wire is provided, and is heated by energization. A heat radiating plate 52A is erected around the periphery.
[0043]
The heat fixing device 50 having the above configuration heats the workpiece 2 placed on the transport table 11 of the transport mechanism 10 to a predetermined temperature by radiant heat from the top plate 52 as a heater, and volatilizes the solvent of the acrylic cement to solidify. Thus, the brazing material can be fixed.
[0044]
Thus, the brazing material setting device 1 configured as described above has a brazing material set and a large-diameter annular member in the circumferential direction when the honeycomb ring is joined to the inner peripheral surface of the short cylindrical back metal. Any of the brazing material sets can be used when the honeycomb plate is joined to one surface of the plate-like back metal like the one divided into a plurality of segments.
[0045]
The brazing material set when the honeycomb ring is joined to the inner circumferential surface of the short cylindrical back metal is placed on the rotation support table 31 of the ring holding mechanism 30 as shown by the imaginary lines in FIGS. While mounting the annular work 2 formed by temporarily attaching a honeycomb ring to the inner peripheral surface, by operating the front / rear lifting mechanism 23 of the brazing material sprinkling device 20, the brazing material container 21 is moved back and forth and up and down, After the swinging portion 21D is positioned so as to correspond to the inner periphery of the workpiece 2, the rotation support table 31 is rotated at a predetermined rotational speed by the rotation drive motor 32, and the shielding plate is opened by the open / close air cylinder 21G of the brazing material accommodating portion 21. 21F is set to the retracted position and the vibration device 22 of the brazing material sprinkling device 20 is driven to vibrate the brazing material container 21.
[0046]
As a result, the brazing material spun out from the spout portion 21D is accumulated on the inner surface side (honeycomb ring side) of the work 2 by centrifugal force. Here, since the amount of brazing material to be spouted per unit time is constant, it is possible to deposit a predetermined amount of brazing material uniformly by managing the spouting time. When the workpiece 2 is wide, the brazing material container 21 is moved back and forth by driving the front / rear drive motor 23E of the front / rear lifting mechanism 23 to uniformly deposit the brazing material on the entire inner peripheral surface of the workpiece 2. be able to.
[0047]
After depositing a predetermined amount of brazing material, the opening / closing air cylinder 21G is immediately driven to stop the brazing material from swinging with the shielding plate 21F at the closed position, and the operator can continue the rotation of the rotary support table 31. Acrylic cement as a brazing material fixing agent is manually applied to the inner surface of the workpiece 2, and the rotating support table 31 is stopped in a state where the fixing of the brazing material is completed by solidifying the acrylic cement, and the workpiece 2 is removed. . Thereafter, the workpiece 2 is heated in a heating furnace to melt the brazing material and bond the honeycomb ring to the back metal.
[0048]
The brazing material set when the honeycomb plate is bonded to one surface of the plate-like back metal is placed on the upper surface of the transfer table 11 of the transfer mechanism 10 by placing a work 3 formed by temporarily attaching the honeycomb plate to the back metal. The conveying table 11 is moved, brazing of the brazing material by the brazing material sprinkling device 20, application of the brazing material fixing agent by the brazing material fixing agent application device 40, heating of the brazing material fixing agent and fixing of the brazing material by the heat fixing device 50. Can be done sequentially. These steps can be either a configuration that is automatically performed by a control device or a configuration that is manually performed for each step.
[0049]
That is, the workpiece 3 is placed on the upper surface of the transfer table 11 of the transfer mechanism 10, and the brazing material accommodation unit 21 is moved up and down and up and down by operating the front and rear elevating mechanism 23 of the brazing material sprinkling device 20. Is positioned above the front end in the direction of travel of the workpiece 3 (the state indicated by the imaginary line in FIGS. 1 and 2), and then the open / close air cylinder 21G is driven to bring the shielding plate 21F into the retracted position and the brazing material. The vibration device 22 of the sprinkler 20 is driven to vibrate the brazing material container 21, and at the same time, the transport driving motor 14 of the transport mechanism 10 is driven to move the transport table 11.
[0050]
Here, since the amount of brazing material spouted per unit time from the brazing material sprinkling device 20 is constant, a certain amount of brazing material spouted from the spouting portion 21D is deposited on the work 3 conveyed at a constant speed. Will be. Therefore, a predetermined amount of brazing material can be deposited on the work 3 by appropriately adjusting the feed speed of the transport table 11 of the transport mechanism 10. When the workpiece 3 is wide, the transfer table 11 is reciprocated and the brazing material container 21 is moved back and forth by driving the front / rear drive motor 23E of the front / rear elevating mechanism 23. Material can be deposited.
[0051]
After a predetermined amount of brazing material is deposited on the work 3, the transport table 11 is moved and driven so that the transport table 11 (that is, the work 3) passes through the inside of the cover 41 of the brazing material fixing agent application device 40. The operation cylinder 42 </ b> B of the fixing agent application mechanism 42 is driven to press the nozzle portion 43 </ b> A of the spray can 43, and acrylic cement as a brazing material fixing agent is sprayed and applied to the work 3 on the transport table 11.
[0052]
When automatic control is performed by the control device, although not shown, the conveyance table 11 is detected by detection means such as a limit switch, and drive control of the fixing agent application mechanism 42 of the brazing material fixing agent application device 40 is performed. is there.
[0053]
Further, when the transport table 11 enters the inside of the cover 41 of the brazing material fixing agent application device 40, unnecessary brazing material accumulated on the transport table 11 is removed by the air from the air injection mechanism 60.
[0054]
After the application of the acrylic cement is completed, the transport table 11 moves and passes through the heat fixing device. By heating at this time, the solvent of the acrylic cement is volatilized and solidified to fix the brazing material.
[0055]
【The invention's effect】
As described above, according to the brazing material setting device according to the present invention, the short cylindrical workpiece formed by temporarily attaching the honeycomb ring to the back metal is held, and around the center of the workpiece supported by the rotation driving means. A holding mechanism that rotates, and a brazing material sprinkling device in which a brazing material housing portion having a spout hole formed on the lower surface is driven to vibrate by the oscillating mechanism. With the brazing material container of the sprinkler device positioned inside the work supported by the support mechanism, the brazing material housed inside is shaken out by the vibration drive mechanism and is positioned on the inner peripheral surface of the work. The brazing material is sprinkled on the honeycomb ring to allow a certain amount of brazing material to be spun out per unit time from the brazing material sprinkler. That since the brazing material on the inner surface side of the workpiece is deposited by centrifugal force, it can be uniformly deposited a predetermined quantity of brazing material on the entire inner peripheral surface of the workpiece. That is, an appropriate amount of brazing material can be set accurately and easily.
[0056]
In addition, a support member that supports a workpiece in which a honeycomb plate is temporarily attached to one surface of the back metal is provided so as to be movable along the guide member. A brazing material sprinkling device in which a brazing material container in which a hole is formed is driven to vibrate by a vibration mechanism, a brazing material fixing agent application device for applying a brazing material fixing agent to a work supported by the supporting member, and a supporting member A heat fixing device that heats the supported workpiece, and the support member holds the workpiece with the honeycomb plate as an upper side and moves along the guide member, and the workpiece is moved under the brazing material container of the brazing material sprinkling device. The brazing material housed inside is swung out through the swing-out hole and sprinkled on the upper side of the honeycomb plate of the work by being driven by the vibration mechanism by the vibration mechanism while being positioned on the side. By applying the brazing material fixing agent to the workpiece by heating, the workpiece is heated by a heat fixing device to dry the brazing material fixing agent and fix the brazing material. A predetermined amount of brazing material can be spun out and a predetermined amount of brazing material can be uniformly deposited on the entire workpiece, and the fixing agent can be applied to the workpiece and heated and fixed continuously and rationally. That is, an appropriate amount of brazing material can be set accurately and easily.
[0057]
Further, a short cylindrical workpiece in which a honeycomb ring is temporarily attached to the inner peripheral surface of a short cylindrical back metal is held at a position facing the brazing material sprinkling device that sandwiches the moving path of the support member, and rotational driving means. Is provided with a holding mechanism that rotates around the center of the supported workpiece, and the brazing material sprinkling device is configured to be movable at least in a direction to be in contact with and away from the holding mechanism. It can be applied to other workpieces and is highly versatile.
[Brief description of the drawings]
FIG. 1 is a front view conceptually showing one structural example of a brazing material setting apparatus according to the present invention.
FIG. 2 is a plan view thereof.
FIG. 3 is a view taken in the direction of arrow A in FIG.
4A and 4B show a brazing material container, in which FIG. 4A is a plan view, FIG. 4B is a side view, and FIG. 4C is a C arrow view of FIG.
5 is a cross-sectional view taken along the line BB in FIG.
6A and 6B show a brazing material fixing agent application device, in which FIG. 6A is an enlarged front view, and FIG. 6B is a cross-sectional view taken along line DD in FIG.
7A and 7B show a heat fixing device, in which FIG. 7A is an enlarged front view, and FIG.
FIGS. 8A and 8B are conceptual diagrams of a plate-like workpiece, FIG. 8A is an exploded view before joining, and FIG. 8B is after joining.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Brazing material setting apparatus 2, 3 Workpiece 10 Transport mechanism 11 Transport table (support member)
12 Guide bar (guide member)
DESCRIPTION OF SYMBOLS 20 Brazing material sprinkling device 21 Brazing material accommodating part 21E Shaking hole 22 Exciting device 23 Front / rear raising / lowering mechanism 30 Ring holding mechanism 32 Rotation drive motor (rotation drive means)
40 Brazing material fixing agent coating device 50 Heat fixing device

Claims (2)

When joining the honeycomb ring to the inner peripheral surface of the short cylindrical back metal by brazing, a powdery brazing material is set at the joint portion with the back metal inside the honeycomb ring,
A ring holding mechanism that holds a short cylindrical workpiece in which the honeycomb ring is temporarily attached to the back metal, and rotates around the center of the supported workpiece by a rotation driving unit;
A brazing material sprinkling device in which a brazing material container having a spout hole formed on the lower surface is vibrated and driven by an oscillating mechanism;
The ring holding mechanism is driven to rotate by the rotation driving means, and the brazing material accommodation portion of the brazing material sprinkling device is located inside the work supported by the ring holding mechanism by vibration driving by the vibration exciting mechanism. The brazing material housed inside is spun out through the spout hole, sprinkled on the honeycomb ring located on the inner peripheral surface of the workpiece and deposited by centrifugal force, and the brazing material fixing agent is applied while continuing to rotate. A brazing material setting device, characterized in that it is configured as described above . When a honeycomb ring is joined to the inner peripheral surface of the short cylindrical back metal by brazing, in addition to setting a powdery brazing material at a joint portion with the back metal inside the honeycomb ring, a plate When joining a honeycomb plate to one surface of a shaped back metal by brazing, a powdery brazing material is set at a joint portion with the plate shaped back metal inside the honeycomb plate,
A support member for supporting a workpiece formed by temporarily attaching the honeycomb plate to one surface of the plate-like back metal is provided so as to be movable along the guide member, and faces a movement path of the support member along the guide member. so,
A brazing material sprinkling device configured to be driven to vibrate by an oscillating mechanism and to be movable in at least a direction to be in contact with or separated from the ring holding mechanism ;
A short cylindrical workpiece in which a honeycomb ring is temporarily attached to the inner peripheral surface of the short cylindrical back metal is held and rotated at a position facing the brazing material sprinkling device across the movement path of the support member. The ring holding mechanism rotating around the center of the workpiece supported by the means,
A brazing material fixing agent application device for applying a brazing material fixing agent to the workpiece supported by the support member;
A heat fixing device for heating the workpiece supported by the support member,
When the honeycomb plate is joined to one surface of the plate-shaped back metal by brazing, the support member moves along the guide member while holding the workpiece with the honeycomb plate as an upper side, and the workpiece is The brazing material housed inside by the vibration drive by the vibration mechanism in a state of being located below the brazing material housing portion of the brazing material sprinkling device is sprinkled through the spout hole and sprinkled on the honeycomb plate of the workpiece, A brazing material fixing agent is applied to the workpiece by a brazing material fixing agent application device, and the workpiece is heated by the heating and fixing device to dry the brazing material fixing agent to fix the brazing material. The brazing material setting device according to claim 1, wherein

Images